X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/8972820c930609390ad70db7e20adfbf2a447b7f..1d424b5859841d55ba95a8e3687ee675c1e6eb60:/src/xfns.c diff --git a/src/xfns.c b/src/xfns.c index 4e66e6ef78..8f03d90c79 100644 --- a/src/xfns.c +++ b/src/xfns.c @@ -1,6 +1,6 @@ /* Functions for the X window system. - Copyright (C) 1989, 92, 93, 94, 95, 96, 97, 98, 99, 2000, 01, 02, 03 - Free Software Foundation. + Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, + 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of GNU Emacs. @@ -16,11 +16,10 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Emacs; see the file COPYING. If not, write to -the Free Software Foundation, Inc., 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ +the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, +Boston, MA 02110-1301, USA. */ #include -#include #include #include @@ -125,6 +124,14 @@ static Lisp_Object Vmotif_version_string; #endif /* USE_X_TOOLKIT */ +#ifdef USE_GTK + +/* GTK+ version info */ + +static Lisp_Object Vgtk_version_string; + +#endif /* USE_GTK */ + #ifdef HAVE_X11R4 #define MAXREQUEST(dpy) (XMaxRequestSize (dpy)) #else @@ -143,6 +150,22 @@ char *gray_bitmap_bits = gray_bits; int display_hourglass_p; +/* Non-zero means prompt with the old GTK file selection dialog. */ + +int x_gtk_use_old_file_dialog; + +/* If non-zero, by default show hidden files in the GTK file chooser. */ + +int x_gtk_show_hidden_files; + +/* If non-zero, don't show additional help text in the GTK file chooser. */ + +int x_gtk_file_dialog_help_text; + +/* If non-zero, don't collapse to tool bar when it is detached. */ + +int x_gtk_whole_detached_tool_bar; + /* The background and shape of the mouse pointer, and shape when not over text or in the modeline. */ @@ -170,10 +193,6 @@ static int x_in_use; Lisp_Object Vx_no_window_manager; -/* Search path for bitmap files. */ - -Lisp_Object Vx_bitmap_file_path; - /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. */ Lisp_Object Vx_pixel_size_width_font_regexp; @@ -181,7 +200,6 @@ Lisp_Object Vx_pixel_size_width_font_regexp; Lisp_Object Qnone; Lisp_Object Qsuppress_icon; Lisp_Object Qundefined_color; -Lisp_Object Qcenter; Lisp_Object Qcompound_text, Qcancel_timer; /* In dispnew.c */ @@ -278,6 +296,8 @@ x_window_to_frame (dpyinfo, wdesc) Lisp_Object tail, frame; struct frame *f; + if (wdesc == None) return 0; + for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) { frame = XCAR (tail); @@ -300,7 +320,7 @@ x_window_to_frame (dpyinfo, wdesc) #ifdef USE_GTK if (f->output_data.x->edit_widget) { - GtkWidget *gwdesc = xg_win_to_widget (wdesc); + GtkWidget *gwdesc = xg_win_to_widget (dpyinfo->display, wdesc); struct x_output *x = f->output_data.x; if (gwdesc != 0 && gwdesc == x->edit_widget) return f; @@ -327,6 +347,8 @@ x_any_window_to_frame (dpyinfo, wdesc) struct frame *f, *found; struct x_output *x; + if (wdesc == None) return NULL; + found = NULL; for (tail = Vframe_list; GC_CONSP (tail) && !found; tail = XCDR (tail)) { @@ -344,7 +366,7 @@ x_any_window_to_frame (dpyinfo, wdesc) else if (x->widget) { #ifdef USE_GTK - GtkWidget *gwdesc = xg_win_to_widget (wdesc); + GtkWidget *gwdesc = xg_win_to_widget (dpyinfo->display, wdesc); if (gwdesc != 0 && (gwdesc == x->widget || gwdesc == x->edit_widget @@ -381,6 +403,8 @@ x_non_menubar_window_to_frame (dpyinfo, wdesc) struct frame *f; struct x_output *x; + if (wdesc == None) return 0; + for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) { frame = XCAR (tail); @@ -396,7 +420,7 @@ x_non_menubar_window_to_frame (dpyinfo, wdesc) else if (x->widget) { #ifdef USE_GTK - GtkWidget *gwdesc = xg_win_to_widget (wdesc); + GtkWidget *gwdesc = xg_win_to_widget (dpyinfo->display, wdesc); if (gwdesc != 0 && (gwdesc == x->widget || gwdesc == x->edit_widget @@ -427,6 +451,8 @@ x_menubar_window_to_frame (dpyinfo, wdesc) struct frame *f; struct x_output *x; + if (wdesc == None) return 0; + for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) { frame = XCAR (tail); @@ -440,7 +466,7 @@ x_menubar_window_to_frame (dpyinfo, wdesc) #ifdef USE_GTK if (x->menubar_widget) { - GtkWidget *gwdesc = xg_win_to_widget (wdesc); + GtkWidget *gwdesc = xg_win_to_widget (dpyinfo->display, wdesc); int found = 0; BLOCK_INPUT; @@ -472,6 +498,8 @@ x_top_window_to_frame (dpyinfo, wdesc) struct frame *f; struct x_output *x; + if (wdesc == None) return 0; + for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) { frame = XCAR (tail); @@ -486,7 +514,7 @@ x_top_window_to_frame (dpyinfo, wdesc) { /* This frame matches if the window is its topmost widget. */ #ifdef USE_GTK - GtkWidget *gwdesc = xg_win_to_widget (wdesc); + GtkWidget *gwdesc = xg_win_to_widget (dpyinfo->display, wdesc); if (gwdesc == x->widget) return f; #else @@ -512,218 +540,8 @@ x_top_window_to_frame (dpyinfo, wdesc) -/* Code to deal with bitmaps. Bitmaps are referenced by their bitmap - id, which is just an int that this section returns. Bitmaps are - reference counted so they can be shared among frames. - - Bitmap indices are guaranteed to be > 0, so a negative number can - be used to indicate no bitmap. - - If you use x_create_bitmap_from_data, then you must keep track of - the bitmaps yourself. That is, creating a bitmap from the same - data more than once will not be caught. */ - - -/* Functions to access the contents of a bitmap, given an id. */ - -int -x_bitmap_height (f, id) - FRAME_PTR f; - int id; -{ - return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].height; -} - -int -x_bitmap_width (f, id) - FRAME_PTR f; - int id; -{ - return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].width; -} - -int -x_bitmap_pixmap (f, id) - FRAME_PTR f; - int id; -{ - return FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].pixmap; -} - - -/* Allocate a new bitmap record. Returns index of new record. */ - -static int -x_allocate_bitmap_record (f) - FRAME_PTR f; -{ - struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); - int i; - - if (dpyinfo->bitmaps == NULL) - { - dpyinfo->bitmaps_size = 10; - dpyinfo->bitmaps - = (struct x_bitmap_record *) xmalloc (dpyinfo->bitmaps_size * sizeof (struct x_bitmap_record)); - dpyinfo->bitmaps_last = 1; - return 1; - } - - if (dpyinfo->bitmaps_last < dpyinfo->bitmaps_size) - return ++dpyinfo->bitmaps_last; - - for (i = 0; i < dpyinfo->bitmaps_size; ++i) - if (dpyinfo->bitmaps[i].refcount == 0) - return i + 1; - - dpyinfo->bitmaps_size *= 2; - dpyinfo->bitmaps - = (struct x_bitmap_record *) xrealloc (dpyinfo->bitmaps, - dpyinfo->bitmaps_size * sizeof (struct x_bitmap_record)); - return ++dpyinfo->bitmaps_last; -} - -/* Add one reference to the reference count of the bitmap with id ID. */ - -void -x_reference_bitmap (f, id) - FRAME_PTR f; - int id; -{ - ++FRAME_X_DISPLAY_INFO (f)->bitmaps[id - 1].refcount; -} - -/* Create a bitmap for frame F from a HEIGHT x WIDTH array of bits at BITS. */ - -int -x_create_bitmap_from_data (f, bits, width, height) - struct frame *f; - char *bits; - unsigned int width, height; -{ - struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); - Pixmap bitmap; - int id; - - bitmap = XCreateBitmapFromData (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), - bits, width, height); - - - - if (! bitmap) - return -1; - - id = x_allocate_bitmap_record (f); - dpyinfo->bitmaps[id - 1].pixmap = bitmap; - dpyinfo->bitmaps[id - 1].file = NULL; - dpyinfo->bitmaps[id - 1].refcount = 1; - dpyinfo->bitmaps[id - 1].depth = 1; - dpyinfo->bitmaps[id - 1].height = height; - dpyinfo->bitmaps[id - 1].width = width; - - return id; -} - -/* Create bitmap from file FILE for frame F. */ - -int -x_create_bitmap_from_file (f, file) - struct frame *f; - Lisp_Object file; -{ - struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); - unsigned int width, height; - Pixmap bitmap; - int xhot, yhot, result, id; - Lisp_Object found; - int fd; - char *filename; - - /* Look for an existing bitmap with the same name. */ - for (id = 0; id < dpyinfo->bitmaps_last; ++id) - { - if (dpyinfo->bitmaps[id].refcount - && dpyinfo->bitmaps[id].file - && !strcmp (dpyinfo->bitmaps[id].file, (char *) SDATA (file))) - { - ++dpyinfo->bitmaps[id].refcount; - return id + 1; - } - } - - /* Search bitmap-file-path for the file, if appropriate. */ - fd = openp (Vx_bitmap_file_path, file, Qnil, &found, Qnil); - if (fd < 0) - return -1; - emacs_close (fd); - - filename = (char *) SDATA (found); - - result = XReadBitmapFile (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), - filename, &width, &height, &bitmap, &xhot, &yhot); - if (result != BitmapSuccess) - return -1; - - id = x_allocate_bitmap_record (f); - dpyinfo->bitmaps[id - 1].pixmap = bitmap; - dpyinfo->bitmaps[id - 1].refcount = 1; - dpyinfo->bitmaps[id - 1].file - = (char *) xmalloc (SBYTES (file) + 1); - dpyinfo->bitmaps[id - 1].depth = 1; - dpyinfo->bitmaps[id - 1].height = height; - dpyinfo->bitmaps[id - 1].width = width; - strcpy (dpyinfo->bitmaps[id - 1].file, SDATA (file)); - - return id; -} - -/* Remove reference to bitmap with id number ID. */ - -void -x_destroy_bitmap (f, id) - FRAME_PTR f; - int id; -{ - struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); - - if (id > 0) - { - --dpyinfo->bitmaps[id - 1].refcount; - if (dpyinfo->bitmaps[id - 1].refcount == 0) - { - BLOCK_INPUT; - XFreePixmap (FRAME_X_DISPLAY (f), dpyinfo->bitmaps[id - 1].pixmap); - if (dpyinfo->bitmaps[id - 1].file) - { - xfree (dpyinfo->bitmaps[id - 1].file); - dpyinfo->bitmaps[id - 1].file = NULL; - } - UNBLOCK_INPUT; - } - } -} - -/* Free all the bitmaps for the display specified by DPYINFO. */ - -static void -x_destroy_all_bitmaps (dpyinfo) - struct x_display_info *dpyinfo; -{ - int i; - for (i = 0; i < dpyinfo->bitmaps_last; i++) - if (dpyinfo->bitmaps[i].refcount > 0) - { - XFreePixmap (dpyinfo->display, dpyinfo->bitmaps[i].pixmap); - if (dpyinfo->bitmaps[i].file) - xfree (dpyinfo->bitmaps[i].file); - } - dpyinfo->bitmaps_last = 0; -} - - static Lisp_Object unwind_create_frame P_ ((Lisp_Object)); static Lisp_Object unwind_create_tip_frame P_ ((Lisp_Object)); -static void x_disable_image P_ ((struct frame *, struct image *)); void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object)); static void x_set_wait_for_wm P_ ((struct frame *, Lisp_Object, Lisp_Object)); @@ -747,16 +565,6 @@ static Lisp_Object x_default_scroll_bar_color_parameter P_ ((struct frame *, Lisp_Object, char *, char *, int)); -static void x_edge_detection P_ ((struct frame *, struct image *, Lisp_Object, - Lisp_Object)); -static void init_color_table P_ ((void)); -static void free_color_table P_ ((void)); -static unsigned long *colors_in_color_table P_ ((int *n)); -static unsigned long lookup_rgb_color P_ ((struct frame *f, int r, int g, int b)); -static unsigned long lookup_pixel_color P_ ((struct frame *f, unsigned long p)); - - - /* Store the screen positions of frame F into XPTR and YPTR. @@ -773,11 +581,9 @@ x_real_positions (f, xptr, yptr) int had_errors = 0; Window win = f->output_data.x->parent_desc; - int count; - BLOCK_INPUT; - count = x_catch_errors (FRAME_X_DISPLAY (f)); + x_catch_errors (FRAME_X_DISPLAY (f)); if (win == FRAME_X_DISPLAY_INFO (f)->root_window) win = FRAME_OUTER_WINDOW (f); @@ -812,7 +618,7 @@ x_real_positions (f, xptr, yptr) if (! had_errors) { - int ign; + unsigned int ign; Window child, rootw; /* Get the real coordinates for the WM window upper left corner */ @@ -864,7 +670,7 @@ x_real_positions (f, xptr, yptr) had_errors = x_had_errors_p (FRAME_X_DISPLAY (f)); } - x_uncatch_errors (FRAME_X_DISPLAY (f), count); + x_uncatch_errors (); UNBLOCK_INPUT; @@ -957,9 +763,7 @@ x_decode_color (f, color_name, mono_color) if (x_defined_color (f, SDATA (color_name), &cdef, 1)) return cdef.pixel; - Fsignal (Qerror, Fcons (build_string ("Undefined color"), - Fcons (color_name, Qnil))); - return 0; + signal_error ("Undefined color", color_name); } @@ -976,6 +780,64 @@ x_set_wait_for_wm (f, new_value, old_value) f->output_data.x->wait_for_wm = !NILP (new_value); } +#ifdef USE_GTK + +/* Set icon from FILE for frame F. By using GTK functions the icon + may be any format that GdkPixbuf knows about, i.e. not just bitmaps. */ + +int +xg_set_icon (f, file) + FRAME_PTR f; + Lisp_Object file; +{ + int result = 0; + Lisp_Object found; + + found = x_find_image_file (file); + + if (! NILP (found)) + { + GdkPixbuf *pixbuf; + GError *err = NULL; + char *filename = (char *) SDATA (found); + BLOCK_INPUT; + + pixbuf = gdk_pixbuf_new_from_file (filename, &err); + + if (pixbuf) + { + gtk_window_set_icon (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), + pixbuf); + g_object_unref (pixbuf); + + result = 1; + } + else + g_error_free (err); + + UNBLOCK_INPUT; + } + + return result; +} + +int +xg_set_icon_from_xpm_data (f, data) + FRAME_PTR f; + char **data; +{ + int result = 0; + GdkPixbuf *pixbuf = gdk_pixbuf_new_from_xpm_data ((const char **) data); + + if (!pixbuf) + return 0; + + gtk_window_set_icon (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), pixbuf); + g_object_unref (pixbuf); + return 1; +} +#endif /* USE_GTK */ + /* Functions called only from `x_set_frame_param' to set individual parameters. @@ -1080,7 +942,6 @@ x_set_mouse_color (f, arg, oldval) Display *dpy = FRAME_X_DISPLAY (f); Cursor cursor, nontext_cursor, mode_cursor, hand_cursor; Cursor hourglass_cursor, horizontal_drag_cursor; - int count; unsigned long pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f)); unsigned long mask_color = x->background_pixel; @@ -1097,7 +958,7 @@ x_set_mouse_color (f, arg, oldval) BLOCK_INPUT; /* It's not okay to crash if the user selects a screwy cursor. */ - count = x_catch_errors (dpy); + x_catch_errors (dpy); if (!NILP (Vx_pointer_shape)) { @@ -1128,7 +989,6 @@ x_set_mouse_color (f, arg, oldval) hourglass_cursor = XCreateFontCursor (dpy, XC_watch); x_check_errors (dpy, "bad hourglass pointer cursor: %s"); - x_check_errors (dpy, "bad nontext pointer cursor: %s"); if (!NILP (Vx_mode_pointer_shape)) { CHECK_NUMBER (Vx_mode_pointer_shape); @@ -1159,7 +1019,7 @@ x_set_mouse_color (f, arg, oldval) /* Check and report errors with the above calls. */ x_check_errors (dpy, "can't set cursor shape: %s"); - x_uncatch_errors (dpy, count); + x_uncatch_errors (); { XColor fore_color, back_color; @@ -1391,7 +1251,7 @@ x_set_icon_name (f, arg, oldval) if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt)) return; } - else if (!STRINGP (oldval) && EQ (oldval, Qnil) == EQ (arg, Qnil)) + else if (!NILP (arg) || NILP (oldval)) return; f->icon_name = arg; @@ -1425,7 +1285,7 @@ x_set_menu_bar_lines (f, value, oldval) Lisp_Object value, oldval; { int nlines; -#ifndef USE_X_TOOLKIT +#if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK) int olines = FRAME_MENU_BAR_LINES (f); #endif @@ -1554,10 +1414,14 @@ x_set_tool_bar_lines (f, value, oldval) int width = FRAME_PIXEL_WIDTH (f); int y = nlines * FRAME_LINE_HEIGHT (f); - BLOCK_INPUT; - x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), - 0, y, width, height, False); - UNBLOCK_INPUT; + /* height can be zero here. */ + if (height > 0 && width > 0) + { + BLOCK_INPUT; + x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), + 0, y, width, height, False); + UNBLOCK_INPUT; + } if (WINDOWP (f->tool_bar_window)) clear_glyph_matrix (XWINDOW (f->tool_bar_window)->current_matrix); @@ -1668,11 +1532,12 @@ x_set_scroll_bar_background (f, value, oldval) Otherwise store 0 in *STRINGP, which means that the `encoding' of the result should be `COMPOUND_TEXT'. */ -unsigned char * -x_encode_text (string, coding_system, selectionp, text_bytes, stringp) +static unsigned char * +x_encode_text (string, coding_system, selectionp, text_bytes, stringp, freep) Lisp_Object string, coding_system; int *text_bytes, *stringp; int selectionp; + int *freep; { unsigned char *str = SDATA (string); int chars = SCHARS (string); @@ -1689,6 +1554,7 @@ x_encode_text (string, coding_system, selectionp, text_bytes, stringp) /* No multibyte character in OBJ. We need not encode it. */ *text_bytes = bytes; *stringp = 1; + *freep = 0; return str; } @@ -1716,65 +1582,20 @@ x_encode_text (string, coding_system, selectionp, text_bytes, stringp) *stringp = (charset_info == 1 || (!EQ (coding_system, Qcompound_text) && !EQ (coding_system, Qcompound_text_with_extensions))); + *freep = 1; return buf; } -/* Change the name of frame F to NAME. If NAME is nil, set F's name to - x_id_name. - - If EXPLICIT is non-zero, that indicates that lisp code is setting the - name; if NAME is a string, set F's name to NAME and set - F->explicit_name; if NAME is Qnil, then clear F->explicit_name. - - If EXPLICIT is zero, that indicates that Emacs redisplay code is - suggesting a new name, which lisp code should override; if - F->explicit_name is set, ignore the new name; otherwise, set it. */ +/* Set the WM name to NAME for frame F. Also set the icon name. + If the frame already has an icon name, use that, otherwise set the + icon name to NAME. */ -void -x_set_name (f, name, explicit) - struct frame *f; +static void +x_set_name_internal (f, name) + FRAME_PTR f; Lisp_Object name; - int explicit; { - /* Make sure that requests from lisp code override requests from - Emacs redisplay code. */ - if (explicit) - { - /* If we're switching from explicit to implicit, we had better - update the mode lines and thereby update the title. */ - if (f->explicit_name && NILP (name)) - update_mode_lines = 1; - - f->explicit_name = ! NILP (name); - } - else if (f->explicit_name) - return; - - /* If NAME is nil, set the name to the x_id_name. */ - if (NILP (name)) - { - /* Check for no change needed in this very common case - before we do any consing. */ - if (!strcmp (FRAME_X_DISPLAY_INFO (f)->x_id_name, - SDATA (f->name))) - return; - name = build_string (FRAME_X_DISPLAY_INFO (f)->x_id_name); - } - else - CHECK_STRING (name); - - /* Don't change the name if it's already NAME. */ - if (! NILP (Fstring_equal (name, f->name))) - return; - - f->name = name; - - /* For setting the frame title, the title parameter should override - the name parameter. */ - if (! NILP (f->title)) - name = f->title; - if (FRAME_X_WINDOW (f)) { BLOCK_INPUT; @@ -1782,8 +1603,10 @@ x_set_name (f, name, explicit) { XTextProperty text, icon; int bytes, stringp; + int do_free_icon_value = 0, do_free_text_value = 0; Lisp_Object coding_system; + coding_system = Qcompound_text; /* Note: Encoding strategy We encode NAME by compound-text and use "COMPOUND-TEXT" in @@ -1791,21 +1614,21 @@ x_set_name (f, name, explicit) managers which don't support that encoding. So, if NAME contains only ASCII and 8859-1 characters, encode it by iso-latin-1, and use "STRING" in text.encoding hoping that - such window manager at least analize this format correctly, + such window managers at least analyze this format correctly, i.e. treat 8-bit bytes as 8859-1 characters. We may also be able to use "UTF8_STRING" in text.encoding - in the feature which can encode all Unicode characters. + in the future which can encode all Unicode characters. But, for the moment, there's no way to know that the current window manager supports it or not. */ - coding_system = Qcompound_text; - text.value = x_encode_text (name, coding_system, 0, &bytes, &stringp); + text.value = x_encode_text (name, coding_system, 0, &bytes, &stringp, + &do_free_text_value); text.encoding = (stringp ? XA_STRING : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); text.format = 8; text.nitems = bytes; - if (NILP (f->icon_name)) + if (!STRINGP (f->icon_name)) { icon = text; } @@ -1813,25 +1636,25 @@ x_set_name (f, name, explicit) { /* See the above comment "Note: Encoding strategy". */ icon.value = x_encode_text (f->icon_name, coding_system, 0, - &bytes, &stringp); + &bytes, &stringp, &do_free_icon_value); icon.encoding = (stringp ? XA_STRING : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); icon.format = 8; icon.nitems = bytes; } + #ifdef USE_GTK gtk_window_set_title (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), - SDATA (name)); + (char *) SDATA (ENCODE_UTF_8 (name))); #else /* not USE_GTK */ XSetWMName (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), &text); #endif /* not USE_GTK */ XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), &icon); - if (!NILP (f->icon_name) - && icon.value != (unsigned char *) SDATA (f->icon_name)) + if (do_free_icon_value) xfree (icon.value); - if (text.value != (unsigned char *) SDATA (name)) + if (do_free_text_value) xfree (text.value); } #else /* not HAVE_X11R4 */ @@ -1844,30 +1667,8 @@ x_set_name (f, name, explicit) } } -/* This function should be called when the user's lisp code has - specified a name for the frame; the name will override any set by the - redisplay code. */ -void -x_explicitly_set_name (f, arg, oldval) - FRAME_PTR f; - Lisp_Object arg, oldval; -{ - x_set_name (f, arg, 1); -} - -/* This function should be called by Emacs redisplay code to set the - name; names set this way will never override names set by the user's - lisp code. */ -void -x_implicitly_set_name (f, arg, oldval) - FRAME_PTR f; - Lisp_Object arg, oldval; -{ - x_set_name (f, arg, 0); -} - -/* Change the title of frame F to NAME. - If NAME is nil, use the frame name as the title. +/* Change the name of frame F to NAME. If NAME is nil, set F's name to + x_id_name. If EXPLICIT is non-zero, that indicates that lisp code is setting the name; if NAME is a string, set F's name to NAME and set @@ -1878,79 +1679,104 @@ x_implicitly_set_name (f, arg, oldval) F->explicit_name is set, ignore the new name; otherwise, set it. */ void -x_set_title (f, name, old_name) +x_set_name (f, name, explicit) struct frame *f; - Lisp_Object name, old_name; + Lisp_Object name; + int explicit; { - /* Don't change the title if it's already NAME. */ - if (EQ (name, f->title)) - return; - - update_mode_lines = 1; - - f->title = name; + /* Make sure that requests from lisp code override requests from + Emacs redisplay code. */ + if (explicit) + { + /* If we're switching from explicit to implicit, we had better + update the mode lines and thereby update the title. */ + if (f->explicit_name && NILP (name)) + update_mode_lines = 1; + f->explicit_name = ! NILP (name); + } + else if (f->explicit_name) + return; + + /* If NAME is nil, set the name to the x_id_name. */ if (NILP (name)) - name = f->name; + { + /* Check for no change needed in this very common case + before we do any consing. */ + if (!strcmp (FRAME_X_DISPLAY_INFO (f)->x_id_name, + SDATA (f->name))) + return; + name = build_string (FRAME_X_DISPLAY_INFO (f)->x_id_name); + } else CHECK_STRING (name); - if (FRAME_X_WINDOW (f)) - { - BLOCK_INPUT; -#ifdef HAVE_X11R4 - { - XTextProperty text, icon; - int bytes, stringp; - Lisp_Object coding_system; + /* Don't change the name if it's already NAME. */ + if (! NILP (Fstring_equal (name, f->name))) + return; - coding_system = Qcompound_text; - /* See the comment "Note: Encoding strategy" in x_set_name. */ - text.value = x_encode_text (name, coding_system, 0, &bytes, &stringp); - text.encoding = (stringp ? XA_STRING - : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); - text.format = 8; - text.nitems = bytes; + f->name = name; - if (NILP (f->icon_name)) - { - icon = text; - } - else - { - /* See the comment "Note: Encoding strategy" in x_set_name. */ - icon.value = x_encode_text (f->icon_name, coding_system, 0, - &bytes, &stringp); - icon.encoding = (stringp ? XA_STRING - : FRAME_X_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT); - icon.format = 8; - icon.nitems = bytes; - } + /* For setting the frame title, the title parameter should override + the name parameter. */ + if (! NILP (f->title)) + name = f->title; -#ifdef USE_GTK - gtk_window_set_title (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), - SDATA (name)); -#else /* not USE_GTK */ - XSetWMName (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), &text); -#endif /* not USE_GTK */ + x_set_name_internal (f, name); +} + +/* This function should be called when the user's lisp code has + specified a name for the frame; the name will override any set by the + redisplay code. */ +void +x_explicitly_set_name (f, arg, oldval) + FRAME_PTR f; + Lisp_Object arg, oldval; +{ + x_set_name (f, arg, 1); +} - XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), - &icon); +/* This function should be called by Emacs redisplay code to set the + name; names set this way will never override names set by the user's + lisp code. */ +void +x_implicitly_set_name (f, arg, oldval) + FRAME_PTR f; + Lisp_Object arg, oldval; +{ + x_set_name (f, arg, 0); +} + +/* Change the title of frame F to NAME. + If NAME is nil, use the frame name as the title. - if (!NILP (f->icon_name) - && icon.value != (unsigned char *) SDATA (f->icon_name)) - xfree (icon.value); - if (text.value != (unsigned char *) SDATA (name)) - xfree (text.value); - } -#else /* not HAVE_X11R4 */ - XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), - SDATA (name)); - XStoreName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), - SDATA (name)); -#endif /* not HAVE_X11R4 */ - UNBLOCK_INPUT; - } + If EXPLICIT is non-zero, that indicates that lisp code is setting the + name; if NAME is a string, set F's name to NAME and set + F->explicit_name; if NAME is Qnil, then clear F->explicit_name. + + If EXPLICIT is zero, that indicates that Emacs redisplay code is + suggesting a new name, which lisp code should override; if + F->explicit_name is set, ignore the new name; otherwise, set it. */ + +void +x_set_title (f, name, old_name) + struct frame *f; + Lisp_Object name, old_name; +{ + /* Don't change the title if it's already NAME. */ + if (EQ (name, f->title)) + return; + + update_mode_lines = 1; + + f->title = name; + + if (NILP (name)) + name = f->name; + else + CHECK_STRING (name); + + x_set_name_internal (f, name); } void @@ -2069,7 +1895,8 @@ hack_wm_protocols (f, widget) BLOCK_INPUT; { - Atom type, *atoms = 0; + Atom type; + unsigned char *catoms; int format = 0; unsigned long nitems = 0; unsigned long bytes_after; @@ -2078,20 +1905,27 @@ hack_wm_protocols (f, widget) FRAME_X_DISPLAY_INFO (f)->Xatom_wm_protocols, (long)0, (long)100, False, XA_ATOM, &type, &format, &nitems, &bytes_after, - (unsigned char **) &atoms) + &catoms) == Success) && format == 32 && type == XA_ATOM) - while (nitems > 0) - { - nitems--; - if (atoms[nitems] == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_delete_window) - need_delete = 0; - else if (atoms[nitems] == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_take_focus) - need_focus = 0; - else if (atoms[nitems] == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_save_yourself) - need_save = 0; - } - if (atoms) XFree ((char *) atoms); + { + Atom *atoms = (Atom *) catoms; + while (nitems > 0) + { + nitems--; + if (atoms[nitems] + == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_delete_window) + need_delete = 0; + else if (atoms[nitems] + == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_take_focus) + need_focus = 0; + else if (atoms[nitems] + == FRAME_X_DISPLAY_INFO (f)->Xatom_wm_save_yourself) + need_save = 0; + } + } + if (catoms) + XFree (catoms); } { Atom props [10]; @@ -2138,29 +1972,244 @@ static XIMStyle supported_xim_styles[] = }; -/* Create an X fontset on frame F with base font name - BASE_FONTNAME.. */ +/* Create an X fontset on frame F with base font name BASE_FONTNAME. */ + +char xic_defaut_fontset[] = "-*-*-*-r-normal--14-*-*-*-*-*-*-*"; + +/* Create an Xt fontset spec from the name of a base font. + If `motif' is True use the Motif syntax. */ +char * +xic_create_fontsetname (base_fontname, motif) + char *base_fontname; + Bool motif; +{ + const char *sep = motif ? ";" : ","; + char *fontsetname; + + /* Make a fontset name from the base font name. */ + if (xic_defaut_fontset == base_fontname) + { /* There is no base font name, use the default. */ + int len = strlen (base_fontname) + 2; + fontsetname = xmalloc (len); + bzero (fontsetname, len); + strcpy (fontsetname, base_fontname); + } + else + { + /* Make a fontset name from the base font name. + The font set will be made of the following elements: + - the base font. + - the base font where the charset spec is replaced by -*-*. + - the same but with the family also replaced with -*-*-. */ + char *p = base_fontname; + int i; + + for (i = 0; *p; p++) + if (*p == '-') i++; + if (i != 14) + { /* As the font name doesn't conform to XLFD, we can't + modify it to generalize it to allcs and allfamilies. + Use the specified font plus the default. */ + int len = strlen (base_fontname) + strlen (xic_defaut_fontset) + 3; + fontsetname = xmalloc (len); + bzero (fontsetname, len); + strcpy (fontsetname, base_fontname); + strcat (fontsetname, sep); + strcat (fontsetname, xic_defaut_fontset); + } + else + { + int len; + char *p1 = NULL, *p2 = NULL, *p3 = NULL; + char *font_allcs = NULL; + char *font_allfamilies = NULL; + char *font_all = NULL; + char *allcs = "*-*-*-*-*-*-*"; + char *allfamilies = "-*-*-"; + char *all = "*-*-*-*-"; + char *base; + + for (i = 0, p = base_fontname; i < 8; p++) + { + if (*p == '-') + { + i++; + if (i == 3) + p1 = p + 1; + else if (i == 7) + p2 = p + 1; + else if (i == 6) + p3 = p + 1; + } + } + /* If base_fontname specifies ADSTYLE, make it a + wildcard. */ + if (*p3 != '*') + { + int diff = (p2 - p3) - 2; + + base = alloca (strlen (base_fontname) + 1); + bcopy (base_fontname, base, p3 - base_fontname); + base[p3 - base_fontname] = '*'; + base[(p3 - base_fontname) + 1] = '-'; + strcpy (base + (p3 - base_fontname) + 2, p2); + p = base + (p - base_fontname) - diff; + p1 = base + (p1 - base_fontname); + p2 = base + (p2 - base_fontname) - diff; + base_fontname = base; + } + + /* Build the font spec that matches all charsets. */ + len = p - base_fontname + strlen (allcs) + 1; + font_allcs = (char *) alloca (len); + bzero (font_allcs, len); + bcopy (base_fontname, font_allcs, p - base_fontname); + strcat (font_allcs, allcs); + + /* Build the font spec that matches all families and + add-styles. */ + len = p - p1 + strlen (allcs) + strlen (allfamilies) + 1; + font_allfamilies = (char *) alloca (len); + bzero (font_allfamilies, len); + strcpy (font_allfamilies, allfamilies); + bcopy (p1, font_allfamilies + strlen (allfamilies), p - p1); + strcat (font_allfamilies, allcs); + + /* Build the font spec that matches all. */ + len = p - p2 + strlen (allcs) + strlen (all) + strlen (allfamilies) + 1; + font_all = (char *) alloca (len); + bzero (font_all, len); + strcpy (font_all, allfamilies); + strcat (font_all, all); + bcopy (p2, font_all + strlen (all) + strlen (allfamilies), p - p2); + strcat (font_all, allcs); + + /* Build the actual font set name. */ + len = strlen (base_fontname) + strlen (font_allcs) + + strlen (font_allfamilies) + strlen (font_all) + 5; + fontsetname = xmalloc (len); + bzero (fontsetname, len); + strcpy (fontsetname, base_fontname); + strcat (fontsetname, sep); + strcat (fontsetname, font_allcs); + strcat (fontsetname, sep); + strcat (fontsetname, font_allfamilies); + strcat (fontsetname, sep); + strcat (fontsetname, font_all); + } + } + if (motif) + strcat (fontsetname, ":"); + return fontsetname; +} static XFontSet xic_create_xfontset (f, base_fontname) struct frame *f; char *base_fontname; { - XFontSet xfs; - char **missing_list; + XFontSet xfs = NULL; + char **missing_list = NULL; int missing_count; char *def_string; + Lisp_Object rest, frame; + + if (!base_fontname) + base_fontname = xic_defaut_fontset; + + /* See if there is another frame already using same fontset. */ + FOR_EACH_FRAME (rest, frame) + { + struct frame *cf = XFRAME (frame); + if (cf != f && FRAME_LIVE_P (f) && FRAME_X_P (cf) + && FRAME_X_DISPLAY_INFO (cf) == FRAME_X_DISPLAY_INFO (f) + && FRAME_XIC_BASE_FONTNAME (cf) + && !strcmp (FRAME_XIC_BASE_FONTNAME (cf), base_fontname)) + { + xfs = FRAME_XIC_FONTSET (cf); + break; + } + } + + if (!xfs) + { + char *fontsetname = xic_create_fontsetname (base_fontname, False); + + /* New fontset. */ + xfs = XCreateFontSet (FRAME_X_DISPLAY (f), + fontsetname, &missing_list, + &missing_count, &def_string); + if (missing_list) + XFreeStringList (missing_list); + if (! xfs) + { + /* FONTSETNAME contains a list of font names (specific fonts + first, general fonts last), but giving that to + XCreateFontSet at once occasionally fails (bug of X?). + So, we try to call XCreateFontSet for each fontname. */ + char *p0 = fontsetname, *p1; + + while (p0) + { + p1 = strchr (p0, ','); + if (p1) + *p1 = '\0'; + xfs = XCreateFontSet (FRAME_X_DISPLAY (f), + p0, &missing_list, + &missing_count, &def_string); + if (missing_list) + XFreeStringList (missing_list); + if (xfs) + break; + p0 = p1 ? p1 + 1 : NULL; + } + } + xfree (fontsetname); + } - xfs = XCreateFontSet (FRAME_X_DISPLAY (f), - base_fontname, &missing_list, - &missing_count, &def_string); - if (missing_list) - XFreeStringList (missing_list); + if (FRAME_XIC_BASE_FONTNAME (f)) + xfree (FRAME_XIC_BASE_FONTNAME (f)); + FRAME_XIC_BASE_FONTNAME (f) = xstrdup (base_fontname); - /* No need to free def_string. */ + /* No need to free def_string. */ return xfs; } +/* Free the X fontset of frame F if it is the last frame using it. */ + +void +xic_free_xfontset (f) + struct frame *f; +{ + Lisp_Object rest, frame; + int shared_p = 0; + + if (!FRAME_XIC_FONTSET (f)) + return; + + /* See if there is another frame sharing the same fontset. */ + FOR_EACH_FRAME (rest, frame) + { + struct frame *cf = XFRAME (frame); + if (cf != f && FRAME_LIVE_P (f) && FRAME_X_P (cf) + && FRAME_X_DISPLAY_INFO (cf) == FRAME_X_DISPLAY_INFO (f) + && FRAME_XIC_FONTSET (cf) == FRAME_XIC_FONTSET (f)) + { + shared_p = 1; + break; + } + } + + if (!shared_p) + /* The fontset is not used anymore. It is safe to free it. */ + XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f)); + + if (FRAME_XIC_BASE_FONTNAME (f)) + xfree (FRAME_XIC_BASE_FONTNAME (f)); + FRAME_XIC_BASE_FONTNAME (f) = NULL; + FRAME_XIC_FONTSET (f) = NULL; +} + /* Value is the best input style, given user preferences USER (already checked to be supported by Emacs), and styles supported by the @@ -2197,6 +2246,11 @@ create_frame_xic (f) if (FRAME_XIC (f)) return; + /* Create X fontset. */ + xfs = xic_create_xfontset + (f, (FRAME_FONTSET (f) < 0) ? NULL + : (char *) SDATA (fontset_ascii (FRAME_FONTSET (f)))); + xim = FRAME_X_XIM (f); if (xim) { @@ -2204,52 +2258,9 @@ create_frame_xic (f) XPoint spot; XVaNestedList preedit_attr; XVaNestedList status_attr; - char *base_fontname; - int fontset; s_area.x = 0; s_area.y = 0; s_area.width = 1; s_area.height = 1; spot.x = 0; spot.y = 1; - /* Create X fontset. */ - fontset = FRAME_FONTSET (f); - if (fontset < 0) - base_fontname = "-*-*-*-r-normal--14-*-*-*-*-*-*-*"; - else - { - /* Determine the base fontname from the ASCII font name of - FONTSET. */ - char *ascii_font = (char *) SDATA (fontset_ascii (fontset)); - char *p = ascii_font; - int i; - - for (i = 0; *p; p++) - if (*p == '-') i++; - if (i != 14) - /* As the font name doesn't conform to XLFD, we can't - modify it to get a suitable base fontname for the - frame. */ - base_fontname = "-*-*-*-r-normal--14-*-*-*-*-*-*-*"; - else - { - int len = strlen (ascii_font) + 1; - char *p1 = NULL; - - for (i = 0, p = ascii_font; i < 8; p++) - { - if (*p == '-') - { - i++; - if (i == 3) - p1 = p + 1; - } - } - base_fontname = (char *) alloca (len); - bzero (base_fontname, len); - strcpy (base_fontname, "-*-*-"); - bcopy (p1, base_fontname + 5, p - p1); - strcat (base_fontname, "*-*-*-*-*-*-*"); - } - } - xfs = xic_create_xfontset (f, base_fontname); /* Determine XIC style. */ if (xic_style == 0) @@ -2286,8 +2297,8 @@ create_frame_xic (f) xic = XCreateIC (xim, XNInputStyle, xic_style, - XNClientWindow, FRAME_X_WINDOW(f), - XNFocusWindow, FRAME_X_WINDOW(f), + XNClientWindow, FRAME_X_WINDOW (f), + XNFocusWindow, FRAME_X_WINDOW (f), XNStatusAttributes, status_attr, XNPreeditAttributes, preedit_attr, NULL); @@ -2311,11 +2322,9 @@ free_frame_xic (f) return; XDestroyIC (FRAME_XIC (f)); - if (FRAME_XIC_FONTSET (f)) - XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f)); + xic_free_xfontset (f); FRAME_XIC (f) = NULL; - FRAME_XIC_FONTSET (f) = NULL; } @@ -2331,7 +2340,7 @@ xic_set_preeditarea (w, x, y) XVaNestedList attr; XPoint spot; - spot.x = WINDOW_TO_FRAME_PIXEL_X (w, x); + spot.x = WINDOW_TO_FRAME_PIXEL_X (w, x) + WINDOW_LEFT_FRINGE_WIDTH (w); spot.y = WINDOW_TO_FRAME_PIXEL_Y (w, y) + FONT_BASE (FRAME_FONT (f)); attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL); XSetICValues (FRAME_XIC (f), XNPreeditAttributes, attr, NULL); @@ -2378,7 +2387,7 @@ xic_set_statusarea (f) XFree (needed); attr = XVaCreateNestedList (0, XNArea, &area, NULL); - XSetICValues(xic, XNStatusAttributes, attr, NULL); + XSetICValues (xic, XNStatusAttributes, attr, NULL); XFree (attr); } @@ -2394,6 +2403,8 @@ xic_set_xfontset (f, base_fontname) XVaNestedList attr; XFontSet xfs; + xic_free_xfontset (f); + xfs = xic_create_xfontset (f, base_fontname); attr = XVaCreateNestedList (0, XNFontSet, xfs, NULL); @@ -2403,8 +2414,6 @@ xic_set_xfontset (f, base_fontname) XSetICValues (FRAME_XIC (f), XNStatusAttributes, attr, NULL); XFree (attr); - if (FRAME_XIC_FONTSET (f)) - XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f)); FRAME_XIC_FONTSET (f) = xfs; } @@ -2498,7 +2507,7 @@ x_window (f, window_prompting, minibuffer_only) { int len; char *tem, shell_position[32]; - Arg al[2]; + Arg al[10]; int ac = 0; int extra_borders = 0; int menubar_size @@ -2550,9 +2559,19 @@ x_window (f, window_prompting, minibuffer_only) (xneg ? '-' : '+'), left, (yneg ? '-' : '+'), top); else - sprintf (shell_position, "=%dx%d", - FRAME_PIXEL_WIDTH (f) + extra_borders, - FRAME_PIXEL_HEIGHT (f) + menubar_size + extra_borders); + { + sprintf (shell_position, "=%dx%d", + FRAME_PIXEL_WIDTH (f) + extra_borders, + FRAME_PIXEL_HEIGHT (f) + menubar_size + extra_borders); + + /* Setting x and y when the position is not specified in + the geometry string will set program position in the WM hints. + If Emacs had just one program position, we could set it in + fallback resources, but since each make-frame call can specify + different program positions, this is easier. */ + XtSetArg (al[ac], XtNx, left); ac++; + XtSetArg (al[ac], XtNy, top); ac++; + } } len = strlen (shell_position) + 1; @@ -2611,7 +2630,7 @@ x_window (f, window_prompting, minibuffer_only) { /* XIM server might require some X events. */ unsigned long fevent = NoEventMask; - XGetICValues(FRAME_XIC (f), XNFilterEvents, &fevent, NULL); + XGetICValues (FRAME_XIC (f), XNFilterEvents, &fevent, NULL); attributes.event_mask |= fevent; } #endif /* HAVE_X_I18N */ @@ -2657,7 +2676,7 @@ x_window (f) #ifdef HAVE_X_I18N FRAME_XIC (f) = NULL; -if (use_xim) + if (use_xim) { BLOCK_INPUT; create_frame_xic (f); @@ -2665,7 +2684,7 @@ if (use_xim) { /* XIM server might require some X events. */ unsigned long fevent = NoEventMask; - XGetICValues(FRAME_XIC (f), XNFilterEvents, &fevent, NULL); + XGetICValues (FRAME_XIC (f), XNFilterEvents, &fevent, NULL); if (fevent != NoEventMask) { @@ -2729,7 +2748,7 @@ x_window (f) { /* XIM server might require some X events. */ unsigned long fevent = NoEventMask; - XGetICValues(FRAME_XIC (f), XNFilterEvents, &fevent, NULL); + XGetICValues (FRAME_XIC (f), XNFilterEvents, &fevent, NULL); attributes.event_mask |= fevent; attribute_mask = CWEventMask; XChangeWindowAttributes (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), @@ -2793,6 +2812,28 @@ x_window (f) #endif /* not USE_GTK */ #endif /* not USE_X_TOOLKIT */ +/* Verify that the icon position args for this window are valid. */ + +static void +x_icon_verify (f, parms) + struct frame *f; + Lisp_Object parms; +{ + Lisp_Object icon_x, icon_y; + + /* Set the position of the icon. Note that twm groups all + icons in an icon window. */ + icon_x = x_frame_get_and_record_arg (f, parms, Qicon_left, 0, 0, RES_TYPE_NUMBER); + icon_y = x_frame_get_and_record_arg (f, parms, Qicon_top, 0, 0, RES_TYPE_NUMBER); + if (!EQ (icon_x, Qunbound) && !EQ (icon_y, Qunbound)) + { + CHECK_NUMBER (icon_x); + CHECK_NUMBER (icon_y); + } + else if (!EQ (icon_x, Qunbound) || !EQ (icon_y, Qunbound)) + error ("Both left and top icon corners of icon must be specified"); +} + /* Handle the icon stuff for this window. Perhaps later we might want an x_set_icon_position which can be called interactively as well. */ @@ -2822,12 +2863,15 @@ x_icon (f, parms) if (! EQ (icon_x, Qunbound)) x_wm_set_icon_position (f, XINT (icon_x), XINT (icon_y)); +#if 0 /* x_get_arg removes the visibility parameter as a side effect, + but x_create_frame still needs it. */ /* Start up iconic or window? */ x_wm_set_window_state (f, (EQ (x_get_arg (dpyinfo, parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL), Qicon) ? IconicState : NormalState)); +#endif x_text_icon (f, (char *) SDATA ((!NILP (f->icon_name) ? f->icon_name @@ -2969,9 +3013,11 @@ unwind_create_frame (frame) x_free_frame_resources (f); +#if GLYPH_DEBUG /* Check that reference counts are indeed correct. */ xassert (dpyinfo->reference_count == dpyinfo_refcount); xassert (dpyinfo->image_cache->refcount == image_cache_refcount); +#endif return Qt; } @@ -3008,6 +3054,8 @@ This function is an internal primitive--use `make-frame' instead. */) check_x (); + parms = Fcopy_alist (parms); + /* Use this general default value to start with until we know if this frame has a specified name. */ Vx_resource_name = Vinvocation_name; @@ -3073,7 +3121,6 @@ This function is an internal primitive--use `make-frame' instead. */) f->output_data.x->scroll_bar_top_shadow_pixel = -1; f->output_data.x->scroll_bar_bottom_shadow_pixel = -1; #endif /* USE_TOOLKIT_SCROLL_BARS */ - record_unwind_protect (unwind_create_frame, frame); f->icon_name = x_get_arg (dpyinfo, parms, Qicon_name, "iconName", "Title", @@ -3082,6 +3129,9 @@ This function is an internal primitive--use `make-frame' instead. */) f->icon_name = Qnil; FRAME_X_DISPLAY_INFO (f) = dpyinfo; + + /* With FRAME_X_DISPLAY_INFO set up, this unwind-protect is safe. */ + record_unwind_protect (unwind_create_frame, frame); #if GLYPH_DEBUG image_cache_refcount = FRAME_X_IMAGE_CACHE (f)->refcount; dpyinfo_refcount = dpyinfo->reference_count; @@ -3187,8 +3237,7 @@ This function is an internal primitive--use `make-frame' instead. */) if (! STRINGP (font)) font = build_string ("fixed"); - x_default_parameter (f, parms, Qfont, font, - "font", "Font", RES_TYPE_STRING); + x_set_frame_parameters (f, Fcons (Fcons (Qfont, font), Qnil)); } #ifdef USE_LUCID @@ -3277,6 +3326,8 @@ This function is an internal primitive--use `make-frame' instead. */) tem = x_get_arg (dpyinfo, parms, Qunsplittable, 0, 0, RES_TYPE_BOOLEAN); f->no_split = minibuffer_only || EQ (tem, Qt); + x_icon_verify (f, parms); + /* Create the X widget or window. */ #ifdef USE_X_TOOLKIT x_window (f, window_prompting, minibuffer_only); @@ -3293,7 +3344,7 @@ This function is an internal primitive--use `make-frame' instead. */) /* We need to do this after creating the X window, so that the icon-creation functions can say whose icon they're describing. */ - x_default_parameter (f, parms, Qicon_type, Qnil, + x_default_parameter (f, parms, Qicon_type, Qt, "bitmapIcon", "BitmapIcon", RES_TYPE_SYMBOL); x_default_parameter (f, parms, Qauto_raise, Qnil, @@ -3316,13 +3367,6 @@ This function is an internal primitive--use `make-frame' instead. */) FRAME_LINES (f) = 0; change_frame_size (f, height, width, 1, 0, 0); - /* Set up faces after all frame parameters are known. This call - also merges in face attributes specified for new frames. If we - don't do this, the `menu' face for instance won't have the right - colors, and the menu bar won't appear in the specified colors for - new frames. */ - call1 (Qface_set_after_frame_default, frame); - #if defined (USE_X_TOOLKIT) || defined (USE_GTK) /* Create the menu bar. */ if (!minibuffer_only && FRAME_EXTERNAL_MENU_BAR (f)) @@ -3369,6 +3413,32 @@ This function is an internal primitive--use `make-frame' instead. */) ; } + /* Set the WM leader property. GTK does this itself, so this is not + needed when using GTK. */ + if (dpyinfo->client_leader_window != 0) + { + BLOCK_INPUT; + XChangeProperty (FRAME_X_DISPLAY (f), + FRAME_OUTER_WINDOW (f), + dpyinfo->Xatom_wm_client_leader, + XA_WINDOW, 32, PropModeReplace, + (unsigned char *) &dpyinfo->client_leader_window, 1); + UNBLOCK_INPUT; + } + + /* Initialize `default-minibuffer-frame' in case this is the first + frame on this display device. */ + if (FRAME_HAS_MINIBUF_P (f) + && (!FRAMEP (kb->Vdefault_minibuffer_frame) + || !FRAME_LIVE_P (XFRAME (kb->Vdefault_minibuffer_frame)))) + kb->Vdefault_minibuffer_frame = frame; + + /* All remaining specified parameters, which have not been "used" + by x_get_arg and friends, now go in the misc. alist of the frame. */ + for (tem = parms; !NILP (tem); tem = XCDR (tem)) + if (CONSP (XCAR (tem)) && !NILP (XCAR (XCAR (tem)))) + f->param_alist = Fcons (XCAR (tem), f->param_alist); + UNGCPRO; /* Make sure windows on this frame appear in calls to next-window @@ -3414,13 +3484,12 @@ FRAME nil means use the selected frame. */) { struct frame *f = check_x_frame (frame); Display *dpy = FRAME_X_DISPLAY (f); - int count; BLOCK_INPUT; - count = x_catch_errors (dpy); + x_catch_errors (dpy); XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), RevertToParent, CurrentTime); - x_uncatch_errors (dpy, count); + x_uncatch_errors (); UNBLOCK_INPUT; return Qnil; @@ -3454,14 +3523,9 @@ DEFUN ("xw-color-values", Fxw_color_values, Sxw_color_values, 1, 2, 0, CHECK_STRING (color); if (x_defined_color (f, SDATA (color), &foo, 0)) - { - Lisp_Object rgb[3]; - - rgb[0] = make_number (foo.red); - rgb[1] = make_number (foo.green); - rgb[2] = make_number (foo.blue); - return Flist (3, rgb); - } + return list3 (make_number (foo.red), + make_number (foo.green), + make_number (foo.blue)); else return Qnil; } @@ -3572,8 +3636,17 @@ If omitted or nil, that stands for the selected frame's display. */) { struct x_display_info *dpyinfo = check_x_display_info (display); - return make_number (DisplayCells (dpyinfo->display, - XScreenNumberOfScreen (dpyinfo->screen))); + int nr_planes = DisplayPlanes (dpyinfo->display, + XScreenNumberOfScreen (dpyinfo->screen)); + + /* Truncate nr_planes to 24 to avoid integer overflow. + Some displays says 32, but only 24 bits are actually significant. + There are only very few and rare video cards that have more than + 24 significant bits. Also 24 bits is more than 16 million colors, + it "should be enough for everyone". */ + if (nr_planes > 24) nr_planes = 24; + + return make_number (1 << nr_planes); } DEFUN ("x-server-max-request-size", Fx_server_max_request_size, @@ -3592,7 +3665,9 @@ If omitted or nil, that stands for the selected frame's display. */) } DEFUN ("x-server-vendor", Fx_server_vendor, Sx_server_vendor, 0, 1, 0, - doc: /* Returns the vendor ID string of the X server of display DISPLAY. + doc: /* Returns the "vendor ID" string of the X server of display DISPLAY. +\(Labelling every distributor as a "vendor" embodies the false assumption +that operating systems cannot be developed and distributed noncommercially.) The optional argument DISPLAY specifies which display to ask about. DISPLAY should be either a frame or a display name (a string). If omitted or nil, that stands for the selected frame's display. */) @@ -3609,7 +3684,7 @@ If omitted or nil, that stands for the selected frame's display. */) DEFUN ("x-server-version", Fx_server_version, Sx_server_version, 0, 1, 0, doc: /* Returns the version numbers of the X server of display DISPLAY. The value is a list of three integers: the major and minor -version numbers of the X Protocol in use, and the vendor-specific release +version numbers of the X Protocol in use, and the distributor-specific release number. See also the function `x-server-vendor'. The optional argument DISPLAY specifies which display to ask about. @@ -4006,5279 +4081,189 @@ authorization information needed to connect the X server.\n\ An insecure way to solve the problem may be to use `xhost'.\n", SDATA (display)); else - error ("Cannot connect to X server %s", SDATA (display)); - } - - x_in_use = 1; - - XSETFASTINT (Vwindow_system_version, 11); - return Qnil; -} - -DEFUN ("x-close-connection", Fx_close_connection, - Sx_close_connection, 1, 1, 0, - doc: /* Close the connection to DISPLAY's X server. -For DISPLAY, specify either a frame or a display name (a string). -If DISPLAY is nil, that stands for the selected frame's display. */) - (display) - Lisp_Object display; -{ - struct x_display_info *dpyinfo = check_x_display_info (display); - int i; - - if (dpyinfo->reference_count > 0) - error ("Display still has frames on it"); - - BLOCK_INPUT; - /* Free the fonts in the font table. */ - for (i = 0; i < dpyinfo->n_fonts; i++) - if (dpyinfo->font_table[i].name) - { - if (dpyinfo->font_table[i].name != dpyinfo->font_table[i].full_name) - xfree (dpyinfo->font_table[i].full_name); - xfree (dpyinfo->font_table[i].name); - XFreeFont (dpyinfo->display, dpyinfo->font_table[i].font); - } - - x_destroy_all_bitmaps (dpyinfo); - XSetCloseDownMode (dpyinfo->display, DestroyAll); - -#ifdef USE_X_TOOLKIT - XtCloseDisplay (dpyinfo->display); -#else - XCloseDisplay (dpyinfo->display); -#endif - - x_delete_display (dpyinfo); - UNBLOCK_INPUT; - - return Qnil; -} - -DEFUN ("x-display-list", Fx_display_list, Sx_display_list, 0, 0, 0, - doc: /* Return the list of display names that Emacs has connections to. */) - () -{ - Lisp_Object tail, result; - - result = Qnil; - for (tail = x_display_name_list; ! NILP (tail); tail = XCDR (tail)) - result = Fcons (XCAR (XCAR (tail)), result); - - return result; -} - -DEFUN ("x-synchronize", Fx_synchronize, Sx_synchronize, 1, 2, 0, - doc: /* If ON is non-nil, report X errors as soon as the erring request is made. -If ON is nil, allow buffering of requests. -Turning on synchronization prohibits the Xlib routines from buffering -requests and seriously degrades performance, but makes debugging much -easier. -The optional second argument DISPLAY specifies which display to act on. -DISPLAY should be either a frame or a display name (a string). -If DISPLAY is omitted or nil, that stands for the selected frame's display. */) - (on, display) - Lisp_Object display, on; -{ - struct x_display_info *dpyinfo = check_x_display_info (display); - - XSynchronize (dpyinfo->display, !EQ (on, Qnil)); - - return Qnil; -} - -/* Wait for responses to all X commands issued so far for frame F. */ - -void -x_sync (f) - FRAME_PTR f; -{ - BLOCK_INPUT; - XSync (FRAME_X_DISPLAY (f), False); - UNBLOCK_INPUT; -} - - -/*********************************************************************** - Image types - ***********************************************************************/ - -/* Value is the number of elements of vector VECTOR. */ - -#define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR)) - -/* List of supported image types. Use define_image_type to add new - types. Use lookup_image_type to find a type for a given symbol. */ - -static struct image_type *image_types; - -/* The symbol `image' which is the car of the lists used to represent - images in Lisp. */ - -extern Lisp_Object Qimage; - -/* The symbol `xbm' which is used as the type symbol for XBM images. */ - -Lisp_Object Qxbm; - -/* Keywords. */ - -extern Lisp_Object QCwidth, QCheight, QCforeground, QCbackground, QCfile; -extern Lisp_Object QCdata, QCtype; -Lisp_Object QCascent, QCmargin, QCrelief; -Lisp_Object QCconversion, QCcolor_symbols, QCheuristic_mask; -Lisp_Object QCindex, QCmatrix, QCcolor_adjustment, QCmask; - -/* Other symbols. */ - -Lisp_Object Qlaplace, Qemboss, Qedge_detection, Qheuristic; - -/* Time in seconds after which images should be removed from the cache - if not displayed. */ - -Lisp_Object Vimage_cache_eviction_delay; - -/* Function prototypes. */ - -static void define_image_type P_ ((struct image_type *type)); -static struct image_type *lookup_image_type P_ ((Lisp_Object symbol)); -static void image_error P_ ((char *format, Lisp_Object, Lisp_Object)); -static void x_laplace P_ ((struct frame *, struct image *)); -static void x_emboss P_ ((struct frame *, struct image *)); -static int x_build_heuristic_mask P_ ((struct frame *, struct image *, - Lisp_Object)); - - -/* Define a new image type from TYPE. This adds a copy of TYPE to - image_types and adds the symbol *TYPE->type to Vimage_types. */ - -static void -define_image_type (type) - struct image_type *type; -{ - /* Make a copy of TYPE to avoid a bus error in a dumped Emacs. - The initialized data segment is read-only. */ - struct image_type *p = (struct image_type *) xmalloc (sizeof *p); - bcopy (type, p, sizeof *p); - p->next = image_types; - image_types = p; - Vimage_types = Fcons (*p->type, Vimage_types); -} - - -/* Look up image type SYMBOL, and return a pointer to its image_type - structure. Value is null if SYMBOL is not a known image type. */ - -static INLINE struct image_type * -lookup_image_type (symbol) - Lisp_Object symbol; -{ - struct image_type *type; - - for (type = image_types; type; type = type->next) - if (EQ (symbol, *type->type)) - break; - - return type; -} - - -/* Value is non-zero if OBJECT is a valid Lisp image specification. A - valid image specification is a list whose car is the symbol - `image', and whose rest is a property list. The property list must - contain a value for key `:type'. That value must be the name of a - supported image type. The rest of the property list depends on the - image type. */ - -int -valid_image_p (object) - Lisp_Object object; -{ - int valid_p = 0; - - if (CONSP (object) && EQ (XCAR (object), Qimage)) - { - Lisp_Object tem; - - for (tem = XCDR (object); CONSP (tem); tem = XCDR (tem)) - if (EQ (XCAR (tem), QCtype)) - { - tem = XCDR (tem); - if (CONSP (tem) && SYMBOLP (XCAR (tem))) - { - struct image_type *type; - type = lookup_image_type (XCAR (tem)); - if (type) - valid_p = type->valid_p (object); - } - - break; - } - } - - return valid_p; -} - - -/* Log error message with format string FORMAT and argument ARG. - Signaling an error, e.g. when an image cannot be loaded, is not a - good idea because this would interrupt redisplay, and the error - message display would lead to another redisplay. This function - therefore simply displays a message. */ - -static void -image_error (format, arg1, arg2) - char *format; - Lisp_Object arg1, arg2; -{ - add_to_log (format, arg1, arg2); -} - - - -/*********************************************************************** - Image specifications - ***********************************************************************/ - -enum image_value_type -{ - IMAGE_DONT_CHECK_VALUE_TYPE, - IMAGE_STRING_VALUE, - IMAGE_STRING_OR_NIL_VALUE, - IMAGE_SYMBOL_VALUE, - IMAGE_POSITIVE_INTEGER_VALUE, - IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, - IMAGE_NON_NEGATIVE_INTEGER_VALUE, - IMAGE_ASCENT_VALUE, - IMAGE_INTEGER_VALUE, - IMAGE_FUNCTION_VALUE, - IMAGE_NUMBER_VALUE, - IMAGE_BOOL_VALUE -}; - -/* Structure used when parsing image specifications. */ - -struct image_keyword -{ - /* Name of keyword. */ - char *name; - - /* The type of value allowed. */ - enum image_value_type type; - - /* Non-zero means key must be present. */ - int mandatory_p; - - /* Used to recognize duplicate keywords in a property list. */ - int count; - - /* The value that was found. */ - Lisp_Object value; -}; - - -static int parse_image_spec P_ ((Lisp_Object, struct image_keyword *, - int, Lisp_Object)); -static Lisp_Object image_spec_value P_ ((Lisp_Object, Lisp_Object, int *)); - - -/* Parse image spec SPEC according to KEYWORDS. A valid image spec - has the format (image KEYWORD VALUE ...). One of the keyword/ - value pairs must be `:type TYPE'. KEYWORDS is a vector of - image_keywords structures of size NKEYWORDS describing other - allowed keyword/value pairs. Value is non-zero if SPEC is valid. */ - -static int -parse_image_spec (spec, keywords, nkeywords, type) - Lisp_Object spec; - struct image_keyword *keywords; - int nkeywords; - Lisp_Object type; -{ - int i; - Lisp_Object plist; - - if (!CONSP (spec) || !EQ (XCAR (spec), Qimage)) - return 0; - - plist = XCDR (spec); - while (CONSP (plist)) - { - Lisp_Object key, value; - - /* First element of a pair must be a symbol. */ - key = XCAR (plist); - plist = XCDR (plist); - if (!SYMBOLP (key)) - return 0; - - /* There must follow a value. */ - if (!CONSP (plist)) - return 0; - value = XCAR (plist); - plist = XCDR (plist); - - /* Find key in KEYWORDS. Error if not found. */ - for (i = 0; i < nkeywords; ++i) - if (strcmp (keywords[i].name, SDATA (SYMBOL_NAME (key))) == 0) - break; - - if (i == nkeywords) - continue; - - /* Record that we recognized the keyword. If a keywords - was found more than once, it's an error. */ - keywords[i].value = value; - ++keywords[i].count; - - if (keywords[i].count > 1) - return 0; - - /* Check type of value against allowed type. */ - switch (keywords[i].type) - { - case IMAGE_STRING_VALUE: - if (!STRINGP (value)) - return 0; - break; - - case IMAGE_STRING_OR_NIL_VALUE: - if (!STRINGP (value) && !NILP (value)) - return 0; - break; - - case IMAGE_SYMBOL_VALUE: - if (!SYMBOLP (value)) - return 0; - break; - - case IMAGE_POSITIVE_INTEGER_VALUE: - if (!INTEGERP (value) || XINT (value) <= 0) - return 0; - break; - - case IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR: - if (INTEGERP (value) && XINT (value) >= 0) - break; - if (CONSP (value) - && INTEGERP (XCAR (value)) && INTEGERP (XCDR (value)) - && XINT (XCAR (value)) >= 0 && XINT (XCDR (value)) >= 0) - break; - return 0; - - case IMAGE_ASCENT_VALUE: - if (SYMBOLP (value) && EQ (value, Qcenter)) - break; - else if (INTEGERP (value) - && XINT (value) >= 0 - && XINT (value) <= 100) - break; - return 0; - - case IMAGE_NON_NEGATIVE_INTEGER_VALUE: - if (!INTEGERP (value) || XINT (value) < 0) - return 0; - break; - - case IMAGE_DONT_CHECK_VALUE_TYPE: - break; - - case IMAGE_FUNCTION_VALUE: - value = indirect_function (value); - if (SUBRP (value) - || COMPILEDP (value) - || (CONSP (value) && EQ (XCAR (value), Qlambda))) - break; - return 0; - - case IMAGE_NUMBER_VALUE: - if (!INTEGERP (value) && !FLOATP (value)) - return 0; - break; - - case IMAGE_INTEGER_VALUE: - if (!INTEGERP (value)) - return 0; - break; - - case IMAGE_BOOL_VALUE: - if (!NILP (value) && !EQ (value, Qt)) - return 0; - break; - - default: - abort (); - break; - } - - if (EQ (key, QCtype) && !EQ (type, value)) - return 0; - } - - /* Check that all mandatory fields are present. */ - for (i = 0; i < nkeywords; ++i) - if (keywords[i].mandatory_p && keywords[i].count == 0) - return 0; - - return NILP (plist); -} - - -/* Return the value of KEY in image specification SPEC. Value is nil - if KEY is not present in SPEC. if FOUND is not null, set *FOUND - to 1 if KEY was found in SPEC, set it to 0 otherwise. */ - -static Lisp_Object -image_spec_value (spec, key, found) - Lisp_Object spec, key; - int *found; -{ - Lisp_Object tail; - - xassert (valid_image_p (spec)); - - for (tail = XCDR (spec); - CONSP (tail) && CONSP (XCDR (tail)); - tail = XCDR (XCDR (tail))) - { - if (EQ (XCAR (tail), key)) - { - if (found) - *found = 1; - return XCAR (XCDR (tail)); - } - } - - if (found) - *found = 0; - return Qnil; -} - - -DEFUN ("image-size", Fimage_size, Simage_size, 1, 3, 0, - doc: /* Return the size of image SPEC as pair (WIDTH . HEIGHT). -PIXELS non-nil means return the size in pixels, otherwise return the -size in canonical character units. -FRAME is the frame on which the image will be displayed. FRAME nil -or omitted means use the selected frame. */) - (spec, pixels, frame) - Lisp_Object spec, pixels, frame; -{ - Lisp_Object size; - - size = Qnil; - if (valid_image_p (spec)) - { - struct frame *f = check_x_frame (frame); - int id = lookup_image (f, spec); - struct image *img = IMAGE_FROM_ID (f, id); - int width = img->width + 2 * img->hmargin; - int height = img->height + 2 * img->vmargin; - - if (NILP (pixels)) - size = Fcons (make_float ((double) width / FRAME_COLUMN_WIDTH (f)), - make_float ((double) height / FRAME_LINE_HEIGHT (f))); - else - size = Fcons (make_number (width), make_number (height)); - } - else - error ("Invalid image specification"); - - return size; -} - - -DEFUN ("image-mask-p", Fimage_mask_p, Simage_mask_p, 1, 2, 0, - doc: /* Return t if image SPEC has a mask bitmap. -FRAME is the frame on which the image will be displayed. FRAME nil -or omitted means use the selected frame. */) - (spec, frame) - Lisp_Object spec, frame; -{ - Lisp_Object mask; - - mask = Qnil; - if (valid_image_p (spec)) - { - struct frame *f = check_x_frame (frame); - int id = lookup_image (f, spec); - struct image *img = IMAGE_FROM_ID (f, id); - if (img->mask) - mask = Qt; - } - else - error ("Invalid image specification"); - - return mask; -} - - - -/*********************************************************************** - Image type independent image structures - ***********************************************************************/ - -static struct image *make_image P_ ((Lisp_Object spec, unsigned hash)); -static void free_image P_ ((struct frame *f, struct image *img)); - - -/* Allocate and return a new image structure for image specification - SPEC. SPEC has a hash value of HASH. */ - -static struct image * -make_image (spec, hash) - Lisp_Object spec; - unsigned hash; -{ - struct image *img = (struct image *) xmalloc (sizeof *img); - - xassert (valid_image_p (spec)); - bzero (img, sizeof *img); - img->type = lookup_image_type (image_spec_value (spec, QCtype, NULL)); - xassert (img->type != NULL); - img->spec = spec; - img->data.lisp_val = Qnil; - img->ascent = DEFAULT_IMAGE_ASCENT; - img->hash = hash; - return img; -} - - -/* Free image IMG which was used on frame F, including its resources. */ - -static void -free_image (f, img) - struct frame *f; - struct image *img; -{ - if (img) - { - struct image_cache *c = FRAME_X_IMAGE_CACHE (f); - - /* Remove IMG from the hash table of its cache. */ - if (img->prev) - img->prev->next = img->next; - else - c->buckets[img->hash % IMAGE_CACHE_BUCKETS_SIZE] = img->next; - - if (img->next) - img->next->prev = img->prev; - - c->images[img->id] = NULL; - - /* Free resources, then free IMG. */ - img->type->free (f, img); - xfree (img); - } -} - - -/* Prepare image IMG for display on frame F. Must be called before - drawing an image. */ - -void -prepare_image_for_display (f, img) - struct frame *f; - struct image *img; -{ - EMACS_TIME t; - - /* We're about to display IMG, so set its timestamp to `now'. */ - EMACS_GET_TIME (t); - img->timestamp = EMACS_SECS (t); - - /* If IMG doesn't have a pixmap yet, load it now, using the image - type dependent loader function. */ - if (img->pixmap == None && !img->load_failed_p) - img->load_failed_p = img->type->load (f, img) == 0; -} - - -/* Value is the number of pixels for the ascent of image IMG when - drawn in face FACE. */ - -int -image_ascent (img, face) - struct image *img; - struct face *face; -{ - int height = img->height + img->vmargin; - int ascent; - - if (img->ascent == CENTERED_IMAGE_ASCENT) - { - if (face->font) - /* This expression is arranged so that if the image can't be - exactly centered, it will be moved slightly up. This is - because a typical font is `top-heavy' (due to the presence - uppercase letters), so the image placement should err towards - being top-heavy too. It also just generally looks better. */ - ascent = (height + face->font->ascent - face->font->descent + 1) / 2; - else - ascent = height / 2; - } - else - ascent = height * img->ascent / 100.0; - - return ascent; -} - - -/* Image background colors. */ - -static unsigned long -four_corners_best (ximg, width, height) - XImage *ximg; - unsigned long width, height; -{ - unsigned long corners[4], best; - int i, best_count; - - /* Get the colors at the corners of ximg. */ - corners[0] = XGetPixel (ximg, 0, 0); - corners[1] = XGetPixel (ximg, width - 1, 0); - corners[2] = XGetPixel (ximg, width - 1, height - 1); - corners[3] = XGetPixel (ximg, 0, height - 1); - - /* Choose the most frequently found color as background. */ - for (i = best_count = 0; i < 4; ++i) - { - int j, n; - - for (j = n = 0; j < 4; ++j) - if (corners[i] == corners[j]) - ++n; - - if (n > best_count) - best = corners[i], best_count = n; - } - - return best; -} - -/* Return the `background' field of IMG. If IMG doesn't have one yet, - it is guessed heuristically. If non-zero, XIMG is an existing XImage - object to use for the heuristic. */ - -unsigned long -image_background (img, f, ximg) - struct image *img; - struct frame *f; - XImage *ximg; -{ - if (! img->background_valid) - /* IMG doesn't have a background yet, try to guess a reasonable value. */ - { - int free_ximg = !ximg; - - if (! ximg) - ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap, - 0, 0, img->width, img->height, ~0, ZPixmap); - - img->background = four_corners_best (ximg, img->width, img->height); - - if (free_ximg) - XDestroyImage (ximg); - - img->background_valid = 1; - } - - return img->background; -} - -/* Return the `background_transparent' field of IMG. If IMG doesn't - have one yet, it is guessed heuristically. If non-zero, MASK is an - existing XImage object to use for the heuristic. */ - -int -image_background_transparent (img, f, mask) - struct image *img; - struct frame *f; - XImage *mask; -{ - if (! img->background_transparent_valid) - /* IMG doesn't have a background yet, try to guess a reasonable value. */ - { - if (img->mask) - { - int free_mask = !mask; - - if (! mask) - mask = XGetImage (FRAME_X_DISPLAY (f), img->mask, - 0, 0, img->width, img->height, ~0, ZPixmap); - - img->background_transparent - = !four_corners_best (mask, img->width, img->height); - - if (free_mask) - XDestroyImage (mask); - } - else - img->background_transparent = 0; - - img->background_transparent_valid = 1; - } - - return img->background_transparent; -} - - -/*********************************************************************** - Helper functions for X image types - ***********************************************************************/ - -static void x_clear_image_1 P_ ((struct frame *, struct image *, int, - int, int)); -static void x_clear_image P_ ((struct frame *f, struct image *img)); -static unsigned long x_alloc_image_color P_ ((struct frame *f, - struct image *img, - Lisp_Object color_name, - unsigned long dflt)); - - -/* Clear X resources of image IMG on frame F. PIXMAP_P non-zero means - free the pixmap if any. MASK_P non-zero means clear the mask - pixmap if any. COLORS_P non-zero means free colors allocated for - the image, if any. */ - -static void -x_clear_image_1 (f, img, pixmap_p, mask_p, colors_p) - struct frame *f; - struct image *img; - int pixmap_p, mask_p, colors_p; -{ - if (pixmap_p && img->pixmap) - { - XFreePixmap (FRAME_X_DISPLAY (f), img->pixmap); - img->pixmap = None; - img->background_valid = 0; - } - - if (mask_p && img->mask) - { - XFreePixmap (FRAME_X_DISPLAY (f), img->mask); - img->mask = None; - img->background_transparent_valid = 0; - } - - if (colors_p && img->ncolors) - { - x_free_colors (f, img->colors, img->ncolors); - xfree (img->colors); - img->colors = NULL; - img->ncolors = 0; - } -} - -/* Free X resources of image IMG which is used on frame F. */ - -static void -x_clear_image (f, img) - struct frame *f; - struct image *img; -{ - BLOCK_INPUT; - x_clear_image_1 (f, img, 1, 1, 1); - UNBLOCK_INPUT; -} - - -/* Allocate color COLOR_NAME for image IMG on frame F. If color - cannot be allocated, use DFLT. Add a newly allocated color to - IMG->colors, so that it can be freed again. Value is the pixel - color. */ - -static unsigned long -x_alloc_image_color (f, img, color_name, dflt) - struct frame *f; - struct image *img; - Lisp_Object color_name; - unsigned long dflt; -{ - XColor color; - unsigned long result; - - xassert (STRINGP (color_name)); - - if (x_defined_color (f, SDATA (color_name), &color, 1)) - { - /* This isn't called frequently so we get away with simply - reallocating the color vector to the needed size, here. */ - ++img->ncolors; - img->colors = - (unsigned long *) xrealloc (img->colors, - img->ncolors * sizeof *img->colors); - img->colors[img->ncolors - 1] = color.pixel; - result = color.pixel; - } - else - result = dflt; - - return result; -} - - - -/*********************************************************************** - Image Cache - ***********************************************************************/ - -static void cache_image P_ ((struct frame *f, struct image *img)); -static void postprocess_image P_ ((struct frame *, struct image *)); - - -/* Return a new, initialized image cache that is allocated from the - heap. Call free_image_cache to free an image cache. */ - -struct image_cache * -make_image_cache () -{ - struct image_cache *c = (struct image_cache *) xmalloc (sizeof *c); - int size; - - bzero (c, sizeof *c); - c->size = 50; - c->images = (struct image **) xmalloc (c->size * sizeof *c->images); - size = IMAGE_CACHE_BUCKETS_SIZE * sizeof *c->buckets; - c->buckets = (struct image **) xmalloc (size); - bzero (c->buckets, size); - return c; -} - - -/* Free image cache of frame F. Be aware that X frames share images - caches. */ - -void -free_image_cache (f) - struct frame *f; -{ - struct image_cache *c = FRAME_X_IMAGE_CACHE (f); - if (c) - { - int i; - - /* Cache should not be referenced by any frame when freed. */ - xassert (c->refcount == 0); - - for (i = 0; i < c->used; ++i) - free_image (f, c->images[i]); - xfree (c->images); - xfree (c->buckets); - xfree (c); - FRAME_X_IMAGE_CACHE (f) = NULL; - } -} - - -/* Clear image cache of frame F. FORCE_P non-zero means free all - images. FORCE_P zero means clear only images that haven't been - displayed for some time. Should be called from time to time to - reduce the number of loaded images. If image-eviction-seconds is - non-nil, this frees images in the cache which weren't displayed for - at least that many seconds. */ - -void -clear_image_cache (f, force_p) - struct frame *f; - int force_p; -{ - struct image_cache *c = FRAME_X_IMAGE_CACHE (f); - - if (c && INTEGERP (Vimage_cache_eviction_delay)) - { - EMACS_TIME t; - unsigned long old; - int i, nfreed; - - EMACS_GET_TIME (t); - old = EMACS_SECS (t) - XFASTINT (Vimage_cache_eviction_delay); - - /* Block input so that we won't be interrupted by a SIGIO - while being in an inconsistent state. */ - BLOCK_INPUT; - - for (i = nfreed = 0; i < c->used; ++i) - { - struct image *img = c->images[i]; - if (img != NULL - && (force_p || img->timestamp < old)) - { - free_image (f, img); - ++nfreed; - } - } - - /* We may be clearing the image cache because, for example, - Emacs was iconified for a longer period of time. In that - case, current matrices may still contain references to - images freed above. So, clear these matrices. */ - if (nfreed) - { - Lisp_Object tail, frame; - - FOR_EACH_FRAME (tail, frame) - { - struct frame *f = XFRAME (frame); - if (FRAME_X_P (f) - && FRAME_X_IMAGE_CACHE (f) == c) - clear_current_matrices (f); - } - - ++windows_or_buffers_changed; - } - - UNBLOCK_INPUT; - } -} - - -DEFUN ("clear-image-cache", Fclear_image_cache, Sclear_image_cache, - 0, 1, 0, - doc: /* Clear the image cache of FRAME. -FRAME nil or omitted means use the selected frame. -FRAME t means clear the image caches of all frames. */) - (frame) - Lisp_Object frame; -{ - if (EQ (frame, Qt)) - { - Lisp_Object tail; - - FOR_EACH_FRAME (tail, frame) - if (FRAME_X_P (XFRAME (frame))) - clear_image_cache (XFRAME (frame), 1); - } - else - clear_image_cache (check_x_frame (frame), 1); - - return Qnil; -} - - -/* Compute masks and transform image IMG on frame F, as specified - by the image's specification, */ - -static void -postprocess_image (f, img) - struct frame *f; - struct image *img; -{ - /* Manipulation of the image's mask. */ - if (img->pixmap) - { - Lisp_Object conversion, spec; - Lisp_Object mask; - - spec = img->spec; - - /* `:heuristic-mask t' - `:mask heuristic' - means build a mask heuristically. - `:heuristic-mask (R G B)' - `:mask (heuristic (R G B))' - means build a mask from color (R G B) in the - image. - `:mask nil' - means remove a mask, if any. */ - - mask = image_spec_value (spec, QCheuristic_mask, NULL); - if (!NILP (mask)) - x_build_heuristic_mask (f, img, mask); - else - { - int found_p; - - mask = image_spec_value (spec, QCmask, &found_p); - - if (EQ (mask, Qheuristic)) - x_build_heuristic_mask (f, img, Qt); - else if (CONSP (mask) - && EQ (XCAR (mask), Qheuristic)) - { - if (CONSP (XCDR (mask))) - x_build_heuristic_mask (f, img, XCAR (XCDR (mask))); - else - x_build_heuristic_mask (f, img, XCDR (mask)); - } - else if (NILP (mask) && found_p && img->mask) - { - XFreePixmap (FRAME_X_DISPLAY (f), img->mask); - img->mask = None; - } - } - - - /* Should we apply an image transformation algorithm? */ - conversion = image_spec_value (spec, QCconversion, NULL); - if (EQ (conversion, Qdisabled)) - x_disable_image (f, img); - else if (EQ (conversion, Qlaplace)) - x_laplace (f, img); - else if (EQ (conversion, Qemboss)) - x_emboss (f, img); - else if (CONSP (conversion) - && EQ (XCAR (conversion), Qedge_detection)) - { - Lisp_Object tem; - tem = XCDR (conversion); - if (CONSP (tem)) - x_edge_detection (f, img, - Fplist_get (tem, QCmatrix), - Fplist_get (tem, QCcolor_adjustment)); - } - } -} - - -/* Return the id of image with Lisp specification SPEC on frame F. - SPEC must be a valid Lisp image specification (see valid_image_p). */ - -int -lookup_image (f, spec) - struct frame *f; - Lisp_Object spec; -{ - struct image_cache *c = FRAME_X_IMAGE_CACHE (f); - struct image *img; - int i; - unsigned hash; - struct gcpro gcpro1; - EMACS_TIME now; - - /* F must be a window-system frame, and SPEC must be a valid image - specification. */ - xassert (FRAME_WINDOW_P (f)); - xassert (valid_image_p (spec)); - - GCPRO1 (spec); - - /* Look up SPEC in the hash table of the image cache. */ - hash = sxhash (spec, 0); - i = hash % IMAGE_CACHE_BUCKETS_SIZE; - - for (img = c->buckets[i]; img; img = img->next) - if (img->hash == hash && !NILP (Fequal (img->spec, spec))) - break; - - /* If not found, create a new image and cache it. */ - if (img == NULL) - { - extern Lisp_Object Qpostscript; - - BLOCK_INPUT; - img = make_image (spec, hash); - cache_image (f, img); - img->load_failed_p = img->type->load (f, img) == 0; - - /* If we can't load the image, and we don't have a width and - height, use some arbitrary width and height so that we can - draw a rectangle for it. */ - if (img->load_failed_p) - { - Lisp_Object value; - - value = image_spec_value (spec, QCwidth, NULL); - img->width = (INTEGERP (value) - ? XFASTINT (value) : DEFAULT_IMAGE_WIDTH); - value = image_spec_value (spec, QCheight, NULL); - img->height = (INTEGERP (value) - ? XFASTINT (value) : DEFAULT_IMAGE_HEIGHT); - } - else - { - /* Handle image type independent image attributes - `:ascent ASCENT', `:margin MARGIN', `:relief RELIEF', - `:background COLOR'. */ - Lisp_Object ascent, margin, relief, bg; - - ascent = image_spec_value (spec, QCascent, NULL); - if (INTEGERP (ascent)) - img->ascent = XFASTINT (ascent); - else if (EQ (ascent, Qcenter)) - img->ascent = CENTERED_IMAGE_ASCENT; - - margin = image_spec_value (spec, QCmargin, NULL); - if (INTEGERP (margin) && XINT (margin) >= 0) - img->vmargin = img->hmargin = XFASTINT (margin); - else if (CONSP (margin) && INTEGERP (XCAR (margin)) - && INTEGERP (XCDR (margin))) - { - if (XINT (XCAR (margin)) > 0) - img->hmargin = XFASTINT (XCAR (margin)); - if (XINT (XCDR (margin)) > 0) - img->vmargin = XFASTINT (XCDR (margin)); - } - - relief = image_spec_value (spec, QCrelief, NULL); - if (INTEGERP (relief)) - { - img->relief = XINT (relief); - img->hmargin += abs (img->relief); - img->vmargin += abs (img->relief); - } - - if (! img->background_valid) - { - bg = image_spec_value (img->spec, QCbackground, NULL); - if (!NILP (bg)) - { - img->background - = x_alloc_image_color (f, img, bg, - FRAME_BACKGROUND_PIXEL (f)); - img->background_valid = 1; - } - } - - /* Do image transformations and compute masks, unless we - don't have the image yet. */ - if (!EQ (*img->type->type, Qpostscript)) - postprocess_image (f, img); - } - - UNBLOCK_INPUT; - xassert (!interrupt_input_blocked); - } - - /* We're using IMG, so set its timestamp to `now'. */ - EMACS_GET_TIME (now); - img->timestamp = EMACS_SECS (now); - - UNGCPRO; - - /* Value is the image id. */ - return img->id; -} - - -/* Cache image IMG in the image cache of frame F. */ - -static void -cache_image (f, img) - struct frame *f; - struct image *img; -{ - struct image_cache *c = FRAME_X_IMAGE_CACHE (f); - int i; - - /* Find a free slot in c->images. */ - for (i = 0; i < c->used; ++i) - if (c->images[i] == NULL) - break; - - /* If no free slot found, maybe enlarge c->images. */ - if (i == c->used && c->used == c->size) - { - c->size *= 2; - c->images = (struct image **) xrealloc (c->images, - c->size * sizeof *c->images); - } - - /* Add IMG to c->images, and assign IMG an id. */ - c->images[i] = img; - img->id = i; - if (i == c->used) - ++c->used; - - /* Add IMG to the cache's hash table. */ - i = img->hash % IMAGE_CACHE_BUCKETS_SIZE; - img->next = c->buckets[i]; - if (img->next) - img->next->prev = img; - img->prev = NULL; - c->buckets[i] = img; -} - - -/* Call FN on every image in the image cache of frame F. Used to mark - Lisp Objects in the image cache. */ - -void -forall_images_in_image_cache (f, fn) - struct frame *f; - void (*fn) P_ ((struct image *img)); -{ - if (FRAME_LIVE_P (f) && FRAME_X_P (f)) - { - struct image_cache *c = FRAME_X_IMAGE_CACHE (f); - if (c) - { - int i; - for (i = 0; i < c->used; ++i) - if (c->images[i]) - fn (c->images[i]); - } - } -} - - - -/*********************************************************************** - X support code - ***********************************************************************/ - -static int x_create_x_image_and_pixmap P_ ((struct frame *, int, int, int, - XImage **, Pixmap *)); -static void x_destroy_x_image P_ ((XImage *)); -static void x_put_x_image P_ ((struct frame *, XImage *, Pixmap, int, int)); - - -/* Create an XImage and a pixmap of size WIDTH x HEIGHT for use on - frame F. Set *XIMG and *PIXMAP to the XImage and Pixmap created. - Set (*XIMG)->data to a raster of WIDTH x HEIGHT pixels allocated - via xmalloc. Print error messages via image_error if an error - occurs. Value is non-zero if successful. */ - -static int -x_create_x_image_and_pixmap (f, width, height, depth, ximg, pixmap) - struct frame *f; - int width, height, depth; - XImage **ximg; - Pixmap *pixmap; -{ - Display *display = FRAME_X_DISPLAY (f); - Screen *screen = FRAME_X_SCREEN (f); - Window window = FRAME_X_WINDOW (f); - - xassert (interrupt_input_blocked); - - if (depth <= 0) - depth = DefaultDepthOfScreen (screen); - *ximg = XCreateImage (display, DefaultVisualOfScreen (screen), - depth, ZPixmap, 0, NULL, width, height, - depth > 16 ? 32 : depth > 8 ? 16 : 8, 0); - if (*ximg == NULL) - { - image_error ("Unable to allocate X image", Qnil, Qnil); - return 0; - } - - /* Allocate image raster. */ - (*ximg)->data = (char *) xmalloc ((*ximg)->bytes_per_line * height); - - /* Allocate a pixmap of the same size. */ - *pixmap = XCreatePixmap (display, window, width, height, depth); - if (*pixmap == None) - { - x_destroy_x_image (*ximg); - *ximg = NULL; - image_error ("Unable to create X pixmap", Qnil, Qnil); - return 0; - } - - return 1; -} - - -/* Destroy XImage XIMG. Free XIMG->data. */ - -static void -x_destroy_x_image (ximg) - XImage *ximg; -{ - xassert (interrupt_input_blocked); - if (ximg) - { - xfree (ximg->data); - ximg->data = NULL; - XDestroyImage (ximg); - } -} - - -/* Put XImage XIMG into pixmap PIXMAP on frame F. WIDTH and HEIGHT - are width and height of both the image and pixmap. */ - -static void -x_put_x_image (f, ximg, pixmap, width, height) - struct frame *f; - XImage *ximg; - Pixmap pixmap; - int width, height; -{ - GC gc; - - xassert (interrupt_input_blocked); - gc = XCreateGC (FRAME_X_DISPLAY (f), pixmap, 0, NULL); - XPutImage (FRAME_X_DISPLAY (f), pixmap, gc, ximg, 0, 0, 0, 0, width, height); - XFreeGC (FRAME_X_DISPLAY (f), gc); -} - - - -/*********************************************************************** - File Handling - ***********************************************************************/ - -static Lisp_Object x_find_image_file P_ ((Lisp_Object)); -static char *slurp_file P_ ((char *, int *)); - - -/* Find image file FILE. Look in data-directory, then - x-bitmap-file-path. Value is the full name of the file found, or - nil if not found. */ - -static Lisp_Object -x_find_image_file (file) - Lisp_Object file; -{ - Lisp_Object file_found, search_path; - struct gcpro gcpro1, gcpro2; - int fd; - - file_found = Qnil; - search_path = Fcons (Vdata_directory, Vx_bitmap_file_path); - GCPRO2 (file_found, search_path); - - /* Try to find FILE in data-directory, then x-bitmap-file-path. */ - fd = openp (search_path, file, Qnil, &file_found, Qnil); - - if (fd == -1) - file_found = Qnil; - else - close (fd); - - UNGCPRO; - return file_found; -} - - -/* Read FILE into memory. Value is a pointer to a buffer allocated - with xmalloc holding FILE's contents. Value is null if an error - occurred. *SIZE is set to the size of the file. */ - -static char * -slurp_file (file, size) - char *file; - int *size; -{ - FILE *fp = NULL; - char *buf = NULL; - struct stat st; - - if (stat (file, &st) == 0 - && (fp = fopen (file, "r")) != NULL - && (buf = (char *) xmalloc (st.st_size), - fread (buf, 1, st.st_size, fp) == st.st_size)) - { - *size = st.st_size; - fclose (fp); - } - else - { - if (fp) - fclose (fp); - if (buf) - { - xfree (buf); - buf = NULL; - } - } - - return buf; -} - - - -/*********************************************************************** - XBM images - ***********************************************************************/ - -static int xbm_scan P_ ((char **, char *, char *, int *)); -static int xbm_load P_ ((struct frame *f, struct image *img)); -static int xbm_load_image P_ ((struct frame *f, struct image *img, - char *, char *)); -static int xbm_image_p P_ ((Lisp_Object object)); -static int xbm_read_bitmap_data P_ ((char *, char *, int *, int *, - unsigned char **)); -static int xbm_file_p P_ ((Lisp_Object)); - - -/* Indices of image specification fields in xbm_format, below. */ - -enum xbm_keyword_index -{ - XBM_TYPE, - XBM_FILE, - XBM_WIDTH, - XBM_HEIGHT, - XBM_DATA, - XBM_FOREGROUND, - XBM_BACKGROUND, - XBM_ASCENT, - XBM_MARGIN, - XBM_RELIEF, - XBM_ALGORITHM, - XBM_HEURISTIC_MASK, - XBM_MASK, - XBM_LAST -}; - -/* Vector of image_keyword structures describing the format - of valid XBM image specifications. */ - -static struct image_keyword xbm_format[XBM_LAST] = -{ - {":type", IMAGE_SYMBOL_VALUE, 1}, - {":file", IMAGE_STRING_VALUE, 0}, - {":width", IMAGE_POSITIVE_INTEGER_VALUE, 0}, - {":height", IMAGE_POSITIVE_INTEGER_VALUE, 0}, - {":data", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":foreground", IMAGE_STRING_OR_NIL_VALUE, 0}, - {":background", IMAGE_STRING_OR_NIL_VALUE, 0}, - {":ascent", IMAGE_ASCENT_VALUE, 0}, - {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, - {":relief", IMAGE_INTEGER_VALUE, 0}, - {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0} -}; - -/* Structure describing the image type XBM. */ - -static struct image_type xbm_type = -{ - &Qxbm, - xbm_image_p, - xbm_load, - x_clear_image, - NULL -}; - -/* Tokens returned from xbm_scan. */ - -enum xbm_token -{ - XBM_TK_IDENT = 256, - XBM_TK_NUMBER -}; - - -/* Return non-zero if OBJECT is a valid XBM-type image specification. - A valid specification is a list starting with the symbol `image' - The rest of the list is a property list which must contain an - entry `:type xbm.. - - If the specification specifies a file to load, it must contain - an entry `:file FILENAME' where FILENAME is a string. - - If the specification is for a bitmap loaded from memory it must - contain `:width WIDTH', `:height HEIGHT', and `:data DATA', where - WIDTH and HEIGHT are integers > 0. DATA may be: - - 1. a string large enough to hold the bitmap data, i.e. it must - have a size >= (WIDTH + 7) / 8 * HEIGHT - - 2. a bool-vector of size >= WIDTH * HEIGHT - - 3. a vector of strings or bool-vectors, one for each line of the - bitmap. - - 4. A string containing an in-memory XBM file. WIDTH and HEIGHT - may not be specified in this case because they are defined in the - XBM file. - - Both the file and data forms may contain the additional entries - `:background COLOR' and `:foreground COLOR'. If not present, - foreground and background of the frame on which the image is - displayed is used. */ - -static int -xbm_image_p (object) - Lisp_Object object; -{ - struct image_keyword kw[XBM_LAST]; - - bcopy (xbm_format, kw, sizeof kw); - if (!parse_image_spec (object, kw, XBM_LAST, Qxbm)) - return 0; - - xassert (EQ (kw[XBM_TYPE].value, Qxbm)); - - if (kw[XBM_FILE].count) - { - if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_DATA].count) - return 0; - } - else if (kw[XBM_DATA].count && xbm_file_p (kw[XBM_DATA].value)) - { - /* In-memory XBM file. */ - if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_FILE].count) - return 0; - } - else - { - Lisp_Object data; - int width, height; - - /* Entries for `:width', `:height' and `:data' must be present. */ - if (!kw[XBM_WIDTH].count - || !kw[XBM_HEIGHT].count - || !kw[XBM_DATA].count) - return 0; - - data = kw[XBM_DATA].value; - width = XFASTINT (kw[XBM_WIDTH].value); - height = XFASTINT (kw[XBM_HEIGHT].value); - - /* Check type of data, and width and height against contents of - data. */ - if (VECTORP (data)) - { - int i; - - /* Number of elements of the vector must be >= height. */ - if (XVECTOR (data)->size < height) - return 0; - - /* Each string or bool-vector in data must be large enough - for one line of the image. */ - for (i = 0; i < height; ++i) - { - Lisp_Object elt = XVECTOR (data)->contents[i]; - - if (STRINGP (elt)) - { - if (SCHARS (elt) - < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR) - return 0; - } - else if (BOOL_VECTOR_P (elt)) - { - if (XBOOL_VECTOR (elt)->size < width) - return 0; - } - else - return 0; - } - } - else if (STRINGP (data)) - { - if (SCHARS (data) - < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR * height) - return 0; - } - else if (BOOL_VECTOR_P (data)) - { - if (XBOOL_VECTOR (data)->size < width * height) - return 0; - } - else - return 0; - } - - return 1; -} - - -/* Scan a bitmap file. FP is the stream to read from. Value is - either an enumerator from enum xbm_token, or a character for a - single-character token, or 0 at end of file. If scanning an - identifier, store the lexeme of the identifier in SVAL. If - scanning a number, store its value in *IVAL. */ - -static int -xbm_scan (s, end, sval, ival) - char **s, *end; - char *sval; - int *ival; -{ - int c; - - loop: - - /* Skip white space. */ - while (*s < end && (c = *(*s)++, isspace (c))) - ; - - if (*s >= end) - c = 0; - else if (isdigit (c)) - { - int value = 0, digit; - - if (c == '0' && *s < end) - { - c = *(*s)++; - if (c == 'x' || c == 'X') - { - while (*s < end) - { - c = *(*s)++; - if (isdigit (c)) - digit = c - '0'; - else if (c >= 'a' && c <= 'f') - digit = c - 'a' + 10; - else if (c >= 'A' && c <= 'F') - digit = c - 'A' + 10; - else - break; - value = 16 * value + digit; - } - } - else if (isdigit (c)) - { - value = c - '0'; - while (*s < end - && (c = *(*s)++, isdigit (c))) - value = 8 * value + c - '0'; - } - } - else - { - value = c - '0'; - while (*s < end - && (c = *(*s)++, isdigit (c))) - value = 10 * value + c - '0'; - } - - if (*s < end) - *s = *s - 1; - *ival = value; - c = XBM_TK_NUMBER; - } - else if (isalpha (c) || c == '_') - { - *sval++ = c; - while (*s < end - && (c = *(*s)++, (isalnum (c) || c == '_'))) - *sval++ = c; - *sval = 0; - if (*s < end) - *s = *s - 1; - c = XBM_TK_IDENT; - } - else if (c == '/' && **s == '*') - { - /* C-style comment. */ - ++*s; - while (**s && (**s != '*' || *(*s + 1) != '/')) - ++*s; - if (**s) - { - *s += 2; - goto loop; - } - } - - return c; -} - - -/* Replacement for XReadBitmapFileData which isn't available under old - X versions. CONTENTS is a pointer to a buffer to parse; END is the - buffer's end. Set *WIDTH and *HEIGHT to the width and height of - the image. Return in *DATA the bitmap data allocated with xmalloc. - Value is non-zero if successful. DATA null means just test if - CONTENTS looks like an in-memory XBM file. */ - -static int -xbm_read_bitmap_data (contents, end, width, height, data) - char *contents, *end; - int *width, *height; - unsigned char **data; -{ - char *s = contents; - char buffer[BUFSIZ]; - int padding_p = 0; - int v10 = 0; - int bytes_per_line, i, nbytes; - unsigned char *p; - int value; - int LA1; - -#define match() \ - LA1 = xbm_scan (&s, end, buffer, &value) - -#define expect(TOKEN) \ - if (LA1 != (TOKEN)) \ - goto failure; \ - else \ - match () - -#define expect_ident(IDENT) \ - if (LA1 == XBM_TK_IDENT && strcmp (buffer, (IDENT)) == 0) \ - match (); \ - else \ - goto failure - - *width = *height = -1; - if (data) - *data = NULL; - LA1 = xbm_scan (&s, end, buffer, &value); - - /* Parse defines for width, height and hot-spots. */ - while (LA1 == '#') - { - match (); - expect_ident ("define"); - expect (XBM_TK_IDENT); - - if (LA1 == XBM_TK_NUMBER); - { - char *p = strrchr (buffer, '_'); - p = p ? p + 1 : buffer; - if (strcmp (p, "width") == 0) - *width = value; - else if (strcmp (p, "height") == 0) - *height = value; - } - expect (XBM_TK_NUMBER); - } - - if (*width < 0 || *height < 0) - goto failure; - else if (data == NULL) - goto success; - - /* Parse bits. Must start with `static'. */ - expect_ident ("static"); - if (LA1 == XBM_TK_IDENT) - { - if (strcmp (buffer, "unsigned") == 0) - { - match (); - expect_ident ("char"); - } - else if (strcmp (buffer, "short") == 0) - { - match (); - v10 = 1; - if (*width % 16 && *width % 16 < 9) - padding_p = 1; - } - else if (strcmp (buffer, "char") == 0) - match (); - else - goto failure; - } - else - goto failure; - - expect (XBM_TK_IDENT); - expect ('['); - expect (']'); - expect ('='); - expect ('{'); - - bytes_per_line = (*width + 7) / 8 + padding_p; - nbytes = bytes_per_line * *height; - p = *data = (char *) xmalloc (nbytes); - - if (v10) - { - for (i = 0; i < nbytes; i += 2) - { - int val = value; - expect (XBM_TK_NUMBER); - - *p++ = val; - if (!padding_p || ((i + 2) % bytes_per_line)) - *p++ = value >> 8; - - if (LA1 == ',' || LA1 == '}') - match (); - else - goto failure; - } - } - else - { - for (i = 0; i < nbytes; ++i) - { - int val = value; - expect (XBM_TK_NUMBER); - - *p++ = val; - - if (LA1 == ',' || LA1 == '}') - match (); - else - goto failure; - } - } - - success: - return 1; - - failure: - - if (data && *data) - { - xfree (*data); - *data = NULL; - } - return 0; - -#undef match -#undef expect -#undef expect_ident -} - - -/* Load XBM image IMG which will be displayed on frame F from buffer - CONTENTS. END is the end of the buffer. Value is non-zero if - successful. */ - -static int -xbm_load_image (f, img, contents, end) - struct frame *f; - struct image *img; - char *contents, *end; -{ - int rc; - unsigned char *data; - int success_p = 0; - - rc = xbm_read_bitmap_data (contents, end, &img->width, &img->height, &data); - if (rc) - { - int depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); - unsigned long foreground = FRAME_FOREGROUND_PIXEL (f); - unsigned long background = FRAME_BACKGROUND_PIXEL (f); - Lisp_Object value; - - xassert (img->width > 0 && img->height > 0); - - /* Get foreground and background colors, maybe allocate colors. */ - value = image_spec_value (img->spec, QCforeground, NULL); - if (!NILP (value)) - foreground = x_alloc_image_color (f, img, value, foreground); - value = image_spec_value (img->spec, QCbackground, NULL); - if (!NILP (value)) - { - background = x_alloc_image_color (f, img, value, background); - img->background = background; - img->background_valid = 1; - } - - img->pixmap - = XCreatePixmapFromBitmapData (FRAME_X_DISPLAY (f), - FRAME_X_WINDOW (f), - data, - img->width, img->height, - foreground, background, - depth); - xfree (data); - - if (img->pixmap == None) - { - x_clear_image (f, img); - image_error ("Unable to create X pixmap for `%s'", img->spec, Qnil); - } - else - success_p = 1; - } - else - image_error ("Error loading XBM image `%s'", img->spec, Qnil); - - return success_p; -} - - -/* Value is non-zero if DATA looks like an in-memory XBM file. */ - -static int -xbm_file_p (data) - Lisp_Object data; -{ - int w, h; - return (STRINGP (data) - && xbm_read_bitmap_data (SDATA (data), - (SDATA (data) - + SBYTES (data)), - &w, &h, NULL)); -} - - -/* Fill image IMG which is used on frame F with pixmap data. Value is - non-zero if successful. */ - -static int -xbm_load (f, img) - struct frame *f; - struct image *img; -{ - int success_p = 0; - Lisp_Object file_name; - - xassert (xbm_image_p (img->spec)); - - /* If IMG->spec specifies a file name, create a non-file spec from it. */ - file_name = image_spec_value (img->spec, QCfile, NULL); - if (STRINGP (file_name)) - { - Lisp_Object file; - char *contents; - int size; - struct gcpro gcpro1; - - file = x_find_image_file (file_name); - GCPRO1 (file); - if (!STRINGP (file)) - { - image_error ("Cannot find image file `%s'", file_name, Qnil); - UNGCPRO; - return 0; - } - - contents = slurp_file (SDATA (file), &size); - if (contents == NULL) - { - image_error ("Error loading XBM image `%s'", img->spec, Qnil); - UNGCPRO; - return 0; - } - - success_p = xbm_load_image (f, img, contents, contents + size); - UNGCPRO; - } - else - { - struct image_keyword fmt[XBM_LAST]; - Lisp_Object data; - int depth; - unsigned long foreground = FRAME_FOREGROUND_PIXEL (f); - unsigned long background = FRAME_BACKGROUND_PIXEL (f); - char *bits; - int parsed_p; - int in_memory_file_p = 0; - - /* See if data looks like an in-memory XBM file. */ - data = image_spec_value (img->spec, QCdata, NULL); - in_memory_file_p = xbm_file_p (data); - - /* Parse the image specification. */ - bcopy (xbm_format, fmt, sizeof fmt); - parsed_p = parse_image_spec (img->spec, fmt, XBM_LAST, Qxbm); - xassert (parsed_p); - - /* Get specified width, and height. */ - if (!in_memory_file_p) - { - img->width = XFASTINT (fmt[XBM_WIDTH].value); - img->height = XFASTINT (fmt[XBM_HEIGHT].value); - xassert (img->width > 0 && img->height > 0); - } - - /* Get foreground and background colors, maybe allocate colors. */ - if (fmt[XBM_FOREGROUND].count - && STRINGP (fmt[XBM_FOREGROUND].value)) - foreground = x_alloc_image_color (f, img, fmt[XBM_FOREGROUND].value, - foreground); - if (fmt[XBM_BACKGROUND].count - && STRINGP (fmt[XBM_BACKGROUND].value)) - background = x_alloc_image_color (f, img, fmt[XBM_BACKGROUND].value, - background); - - if (in_memory_file_p) - success_p = xbm_load_image (f, img, SDATA (data), - (SDATA (data) - + SBYTES (data))); - else - { - if (VECTORP (data)) - { - int i; - char *p; - int nbytes = (img->width + BITS_PER_CHAR - 1) / BITS_PER_CHAR; - - p = bits = (char *) alloca (nbytes * img->height); - for (i = 0; i < img->height; ++i, p += nbytes) - { - Lisp_Object line = XVECTOR (data)->contents[i]; - if (STRINGP (line)) - bcopy (SDATA (line), p, nbytes); - else - bcopy (XBOOL_VECTOR (line)->data, p, nbytes); - } - } - else if (STRINGP (data)) - bits = SDATA (data); - else - bits = XBOOL_VECTOR (data)->data; - - /* Create the pixmap. */ - depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); - img->pixmap - = XCreatePixmapFromBitmapData (FRAME_X_DISPLAY (f), - FRAME_X_WINDOW (f), - bits, - img->width, img->height, - foreground, background, - depth); - if (img->pixmap) - success_p = 1; - else - { - image_error ("Unable to create pixmap for XBM image `%s'", - img->spec, Qnil); - x_clear_image (f, img); - } - } - } - - return success_p; -} - - - -/*********************************************************************** - XPM images - ***********************************************************************/ - -#if HAVE_XPM - -static int xpm_image_p P_ ((Lisp_Object object)); -static int xpm_load P_ ((struct frame *f, struct image *img)); -static int xpm_valid_color_symbols_p P_ ((Lisp_Object)); - -#include "X11/xpm.h" - -/* The symbol `xpm' identifying XPM-format images. */ - -Lisp_Object Qxpm; - -/* Indices of image specification fields in xpm_format, below. */ - -enum xpm_keyword_index -{ - XPM_TYPE, - XPM_FILE, - XPM_DATA, - XPM_ASCENT, - XPM_MARGIN, - XPM_RELIEF, - XPM_ALGORITHM, - XPM_HEURISTIC_MASK, - XPM_MASK, - XPM_COLOR_SYMBOLS, - XPM_BACKGROUND, - XPM_LAST -}; - -/* Vector of image_keyword structures describing the format - of valid XPM image specifications. */ - -static struct image_keyword xpm_format[XPM_LAST] = -{ - {":type", IMAGE_SYMBOL_VALUE, 1}, - {":file", IMAGE_STRING_VALUE, 0}, - {":data", IMAGE_STRING_VALUE, 0}, - {":ascent", IMAGE_ASCENT_VALUE, 0}, - {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, - {":relief", IMAGE_INTEGER_VALUE, 0}, - {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":color-symbols", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":background", IMAGE_STRING_OR_NIL_VALUE, 0} -}; - -/* Structure describing the image type XBM. */ - -static struct image_type xpm_type = -{ - &Qxpm, - xpm_image_p, - xpm_load, - x_clear_image, - NULL -}; - - -/* Define ALLOC_XPM_COLORS if we can use Emacs' own color allocation - functions for allocating image colors. Our own functions handle - color allocation failures more gracefully than the ones on the XPM - lib. */ - -#if defined XpmAllocColor && defined XpmFreeColors && defined XpmColorClosure -#define ALLOC_XPM_COLORS -#endif - -#ifdef ALLOC_XPM_COLORS - -static void xpm_init_color_cache P_ ((struct frame *, XpmAttributes *)); -static void xpm_free_color_cache P_ ((void)); -static int xpm_lookup_color P_ ((struct frame *, char *, XColor *)); -static int xpm_color_bucket P_ ((char *)); -static struct xpm_cached_color *xpm_cache_color P_ ((struct frame *, char *, - XColor *, int)); - -/* An entry in a hash table used to cache color definitions of named - colors. This cache is necessary to speed up XPM image loading in - case we do color allocations ourselves. Without it, we would need - a call to XParseColor per pixel in the image. */ - -struct xpm_cached_color -{ - /* Next in collision chain. */ - struct xpm_cached_color *next; - - /* Color definition (RGB and pixel color). */ - XColor color; - - /* Color name. */ - char name[1]; -}; - -/* The hash table used for the color cache, and its bucket vector - size. */ - -#define XPM_COLOR_CACHE_BUCKETS 1001 -struct xpm_cached_color **xpm_color_cache; - -/* Initialize the color cache. */ - -static void -xpm_init_color_cache (f, attrs) - struct frame *f; - XpmAttributes *attrs; -{ - size_t nbytes = XPM_COLOR_CACHE_BUCKETS * sizeof *xpm_color_cache; - xpm_color_cache = (struct xpm_cached_color **) xmalloc (nbytes); - memset (xpm_color_cache, 0, nbytes); - init_color_table (); - - if (attrs->valuemask & XpmColorSymbols) - { - int i; - XColor color; - - for (i = 0; i < attrs->numsymbols; ++i) - if (XParseColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), - attrs->colorsymbols[i].value, &color)) - { - color.pixel = lookup_rgb_color (f, color.red, color.green, - color.blue); - xpm_cache_color (f, attrs->colorsymbols[i].name, &color, -1); - } - } -} - - -/* Free the color cache. */ - -static void -xpm_free_color_cache () -{ - struct xpm_cached_color *p, *next; - int i; - - for (i = 0; i < XPM_COLOR_CACHE_BUCKETS; ++i) - for (p = xpm_color_cache[i]; p; p = next) - { - next = p->next; - xfree (p); - } - - xfree (xpm_color_cache); - xpm_color_cache = NULL; - free_color_table (); -} - - -/* Return the bucket index for color named COLOR_NAME in the color - cache. */ - -static int -xpm_color_bucket (color_name) - char *color_name; -{ - unsigned h = 0; - char *s; - - for (s = color_name; *s; ++s) - h = (h << 2) ^ *s; - return h %= XPM_COLOR_CACHE_BUCKETS; -} - - -/* On frame F, cache values COLOR for color with name COLOR_NAME. - BUCKET, if >= 0, is a precomputed bucket index. Value is the cache - entry added. */ - -static struct xpm_cached_color * -xpm_cache_color (f, color_name, color, bucket) - struct frame *f; - char *color_name; - XColor *color; - int bucket; -{ - size_t nbytes; - struct xpm_cached_color *p; - - if (bucket < 0) - bucket = xpm_color_bucket (color_name); - - nbytes = sizeof *p + strlen (color_name); - p = (struct xpm_cached_color *) xmalloc (nbytes); - strcpy (p->name, color_name); - p->color = *color; - p->next = xpm_color_cache[bucket]; - xpm_color_cache[bucket] = p; - return p; -} - - -/* Look up color COLOR_NAME for frame F in the color cache. If found, - return the cached definition in *COLOR. Otherwise, make a new - entry in the cache and allocate the color. Value is zero if color - allocation failed. */ - -static int -xpm_lookup_color (f, color_name, color) - struct frame *f; - char *color_name; - XColor *color; -{ - struct xpm_cached_color *p; - int h = xpm_color_bucket (color_name); - - for (p = xpm_color_cache[h]; p; p = p->next) - if (strcmp (p->name, color_name) == 0) - break; - - if (p != NULL) - *color = p->color; - else if (XParseColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), - color_name, color)) - { - color->pixel = lookup_rgb_color (f, color->red, color->green, - color->blue); - p = xpm_cache_color (f, color_name, color, h); - } - /* You get `opaque' at least from ImageMagick converting pbm to xpm - with transparency, and it's useful. */ - else if (strcmp ("opaque", color_name) == 0) - { - bzero (color, sizeof (XColor)); /* Is this necessary/correct? */ - color->pixel = FRAME_FOREGROUND_PIXEL (f); - p = xpm_cache_color (f, color_name, color, h); - } - - return p != NULL; -} - - -/* Callback for allocating color COLOR_NAME. Called from the XPM lib. - CLOSURE is a pointer to the frame on which we allocate the - color. Return in *COLOR the allocated color. Value is non-zero - if successful. */ - -static int -xpm_alloc_color (dpy, cmap, color_name, color, closure) - Display *dpy; - Colormap cmap; - char *color_name; - XColor *color; - void *closure; -{ - return xpm_lookup_color ((struct frame *) closure, color_name, color); -} - - -/* Callback for freeing NPIXELS colors contained in PIXELS. CLOSURE - is a pointer to the frame on which we allocate the color. Value is - non-zero if successful. */ - -static int -xpm_free_colors (dpy, cmap, pixels, npixels, closure) - Display *dpy; - Colormap cmap; - Pixel *pixels; - int npixels; - void *closure; -{ - return 1; -} - -#endif /* ALLOC_XPM_COLORS */ - - -/* Value is non-zero if COLOR_SYMBOLS is a valid color symbols list - for XPM images. Such a list must consist of conses whose car and - cdr are strings. */ - -static int -xpm_valid_color_symbols_p (color_symbols) - Lisp_Object color_symbols; -{ - while (CONSP (color_symbols)) - { - Lisp_Object sym = XCAR (color_symbols); - if (!CONSP (sym) - || !STRINGP (XCAR (sym)) - || !STRINGP (XCDR (sym))) - break; - color_symbols = XCDR (color_symbols); - } - - return NILP (color_symbols); -} - - -/* Value is non-zero if OBJECT is a valid XPM image specification. */ - -static int -xpm_image_p (object) - Lisp_Object object; -{ - struct image_keyword fmt[XPM_LAST]; - bcopy (xpm_format, fmt, sizeof fmt); - return (parse_image_spec (object, fmt, XPM_LAST, Qxpm) - /* Either `:file' or `:data' must be present. */ - && fmt[XPM_FILE].count + fmt[XPM_DATA].count == 1 - /* Either no `:color-symbols' or it's a list of conses - whose car and cdr are strings. */ - && (fmt[XPM_COLOR_SYMBOLS].count == 0 - || xpm_valid_color_symbols_p (fmt[XPM_COLOR_SYMBOLS].value))); -} - - -/* Load image IMG which will be displayed on frame F. Value is - non-zero if successful. */ - -static int -xpm_load (f, img) - struct frame *f; - struct image *img; -{ - int rc; - XpmAttributes attrs; - Lisp_Object specified_file, color_symbols; - - /* Configure the XPM lib. Use the visual of frame F. Allocate - close colors. Return colors allocated. */ - bzero (&attrs, sizeof attrs); - attrs.visual = FRAME_X_VISUAL (f); - attrs.colormap = FRAME_X_COLORMAP (f); - attrs.valuemask |= XpmVisual; - attrs.valuemask |= XpmColormap; - -#ifdef ALLOC_XPM_COLORS - /* Allocate colors with our own functions which handle - failing color allocation more gracefully. */ - attrs.color_closure = f; - attrs.alloc_color = xpm_alloc_color; - attrs.free_colors = xpm_free_colors; - attrs.valuemask |= XpmAllocColor | XpmFreeColors | XpmColorClosure; -#else /* not ALLOC_XPM_COLORS */ - /* Let the XPM lib allocate colors. */ - attrs.valuemask |= XpmReturnAllocPixels; -#ifdef XpmAllocCloseColors - attrs.alloc_close_colors = 1; - attrs.valuemask |= XpmAllocCloseColors; -#else /* not XpmAllocCloseColors */ - attrs.closeness = 600; - attrs.valuemask |= XpmCloseness; -#endif /* not XpmAllocCloseColors */ -#endif /* ALLOC_XPM_COLORS */ - - /* If image specification contains symbolic color definitions, add - these to `attrs'. */ - color_symbols = image_spec_value (img->spec, QCcolor_symbols, NULL); - if (CONSP (color_symbols)) - { - Lisp_Object tail; - XpmColorSymbol *xpm_syms; - int i, size; - - attrs.valuemask |= XpmColorSymbols; - - /* Count number of symbols. */ - attrs.numsymbols = 0; - for (tail = color_symbols; CONSP (tail); tail = XCDR (tail)) - ++attrs.numsymbols; - - /* Allocate an XpmColorSymbol array. */ - size = attrs.numsymbols * sizeof *xpm_syms; - xpm_syms = (XpmColorSymbol *) alloca (size); - bzero (xpm_syms, size); - attrs.colorsymbols = xpm_syms; - - /* Fill the color symbol array. */ - for (tail = color_symbols, i = 0; - CONSP (tail); - ++i, tail = XCDR (tail)) - { - Lisp_Object name = XCAR (XCAR (tail)); - Lisp_Object color = XCDR (XCAR (tail)); - xpm_syms[i].name = (char *) alloca (SCHARS (name) + 1); - strcpy (xpm_syms[i].name, SDATA (name)); - xpm_syms[i].value = (char *) alloca (SCHARS (color) + 1); - strcpy (xpm_syms[i].value, SDATA (color)); - } - } - - /* Create a pixmap for the image, either from a file, or from a - string buffer containing data in the same format as an XPM file. */ -#ifdef ALLOC_XPM_COLORS - xpm_init_color_cache (f, &attrs); -#endif - - specified_file = image_spec_value (img->spec, QCfile, NULL); - if (STRINGP (specified_file)) - { - Lisp_Object file = x_find_image_file (specified_file); - if (!STRINGP (file)) - { - image_error ("Cannot find image file `%s'", specified_file, Qnil); - return 0; - } - - rc = XpmReadFileToPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), - SDATA (file), &img->pixmap, &img->mask, - &attrs); - } - else - { - Lisp_Object buffer = image_spec_value (img->spec, QCdata, NULL); - rc = XpmCreatePixmapFromBuffer (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), - SDATA (buffer), - &img->pixmap, &img->mask, - &attrs); - } - - if (rc == XpmSuccess) - { -#ifdef ALLOC_XPM_COLORS - img->colors = colors_in_color_table (&img->ncolors); -#else /* not ALLOC_XPM_COLORS */ - int i; - - img->ncolors = attrs.nalloc_pixels; - img->colors = (unsigned long *) xmalloc (img->ncolors - * sizeof *img->colors); - for (i = 0; i < attrs.nalloc_pixels; ++i) - { - img->colors[i] = attrs.alloc_pixels[i]; -#ifdef DEBUG_X_COLORS - register_color (img->colors[i]); -#endif - } -#endif /* not ALLOC_XPM_COLORS */ - - img->width = attrs.width; - img->height = attrs.height; - xassert (img->width > 0 && img->height > 0); - - /* The call to XpmFreeAttributes below frees attrs.alloc_pixels. */ - XpmFreeAttributes (&attrs); - } - else - { - switch (rc) - { - case XpmOpenFailed: - image_error ("Error opening XPM file (%s)", img->spec, Qnil); - break; - - case XpmFileInvalid: - image_error ("Invalid XPM file (%s)", img->spec, Qnil); - break; - - case XpmNoMemory: - image_error ("Out of memory (%s)", img->spec, Qnil); - break; - - case XpmColorFailed: - image_error ("Color allocation error (%s)", img->spec, Qnil); - break; - - default: - image_error ("Unknown error (%s)", img->spec, Qnil); - break; - } - } - -#ifdef ALLOC_XPM_COLORS - xpm_free_color_cache (); -#endif - return rc == XpmSuccess; -} - -#endif /* HAVE_XPM != 0 */ - - -/*********************************************************************** - Color table - ***********************************************************************/ - -/* An entry in the color table mapping an RGB color to a pixel color. */ - -struct ct_color -{ - int r, g, b; - unsigned long pixel; - - /* Next in color table collision list. */ - struct ct_color *next; -}; - -/* The bucket vector size to use. Must be prime. */ - -#define CT_SIZE 101 - -/* Value is a hash of the RGB color given by R, G, and B. */ - -#define CT_HASH_RGB(R, G, B) (((R) << 16) ^ ((G) << 8) ^ (B)) - -/* The color hash table. */ - -struct ct_color **ct_table; - -/* Number of entries in the color table. */ - -int ct_colors_allocated; - -/* Initialize the color table. */ - -static void -init_color_table () -{ - int size = CT_SIZE * sizeof (*ct_table); - ct_table = (struct ct_color **) xmalloc (size); - bzero (ct_table, size); - ct_colors_allocated = 0; -} - - -/* Free memory associated with the color table. */ - -static void -free_color_table () -{ - int i; - struct ct_color *p, *next; - - for (i = 0; i < CT_SIZE; ++i) - for (p = ct_table[i]; p; p = next) - { - next = p->next; - xfree (p); - } - - xfree (ct_table); - ct_table = NULL; -} - - -/* Value is a pixel color for RGB color R, G, B on frame F. If an - entry for that color already is in the color table, return the - pixel color of that entry. Otherwise, allocate a new color for R, - G, B, and make an entry in the color table. */ - -static unsigned long -lookup_rgb_color (f, r, g, b) - struct frame *f; - int r, g, b; -{ - unsigned hash = CT_HASH_RGB (r, g, b); - int i = hash % CT_SIZE; - struct ct_color *p; - - for (p = ct_table[i]; p; p = p->next) - if (p->r == r && p->g == g && p->b == b) - break; - - if (p == NULL) - { - XColor color; - Colormap cmap; - int rc; - - color.red = r; - color.green = g; - color.blue = b; - - cmap = FRAME_X_COLORMAP (f); - rc = x_alloc_nearest_color (f, cmap, &color); - - if (rc) - { - ++ct_colors_allocated; - - p = (struct ct_color *) xmalloc (sizeof *p); - p->r = r; - p->g = g; - p->b = b; - p->pixel = color.pixel; - p->next = ct_table[i]; - ct_table[i] = p; - } - else - return FRAME_FOREGROUND_PIXEL (f); - } - - return p->pixel; -} - - -/* Look up pixel color PIXEL which is used on frame F in the color - table. If not already present, allocate it. Value is PIXEL. */ - -static unsigned long -lookup_pixel_color (f, pixel) - struct frame *f; - unsigned long pixel; -{ - int i = pixel % CT_SIZE; - struct ct_color *p; - - for (p = ct_table[i]; p; p = p->next) - if (p->pixel == pixel) - break; - - if (p == NULL) - { - XColor color; - Colormap cmap; - int rc; - - cmap = FRAME_X_COLORMAP (f); - color.pixel = pixel; - x_query_color (f, &color); - rc = x_alloc_nearest_color (f, cmap, &color); - - if (rc) - { - ++ct_colors_allocated; - - p = (struct ct_color *) xmalloc (sizeof *p); - p->r = color.red; - p->g = color.green; - p->b = color.blue; - p->pixel = pixel; - p->next = ct_table[i]; - ct_table[i] = p; - } - else - return FRAME_FOREGROUND_PIXEL (f); - } - - return p->pixel; -} - - -/* Value is a vector of all pixel colors contained in the color table, - allocated via xmalloc. Set *N to the number of colors. */ - -static unsigned long * -colors_in_color_table (n) - int *n; -{ - int i, j; - struct ct_color *p; - unsigned long *colors; - - if (ct_colors_allocated == 0) - { - *n = 0; - colors = NULL; - } - else - { - colors = (unsigned long *) xmalloc (ct_colors_allocated - * sizeof *colors); - *n = ct_colors_allocated; - - for (i = j = 0; i < CT_SIZE; ++i) - for (p = ct_table[i]; p; p = p->next) - colors[j++] = p->pixel; - } - - return colors; -} - - - -/*********************************************************************** - Algorithms - ***********************************************************************/ - -static XColor *x_to_xcolors P_ ((struct frame *, struct image *, int)); -static void x_from_xcolors P_ ((struct frame *, struct image *, XColor *)); -static void x_detect_edges P_ ((struct frame *, struct image *, int[9], int)); - -/* Non-zero means draw a cross on images having `:conversion - disabled'. */ - -int cross_disabled_images; - -/* Edge detection matrices for different edge-detection - strategies. */ - -static int emboss_matrix[9] = { - /* x - 1 x x + 1 */ - 2, -1, 0, /* y - 1 */ - -1, 0, 1, /* y */ - 0, 1, -2 /* y + 1 */ -}; - -static int laplace_matrix[9] = { - /* x - 1 x x + 1 */ - 1, 0, 0, /* y - 1 */ - 0, 0, 0, /* y */ - 0, 0, -1 /* y + 1 */ -}; - -/* Value is the intensity of the color whose red/green/blue values - are R, G, and B. */ - -#define COLOR_INTENSITY(R, G, B) ((2 * (R) + 3 * (G) + (B)) / 6) - - -/* On frame F, return an array of XColor structures describing image - IMG->pixmap. Each XColor structure has its pixel color set. RGB_P - non-zero means also fill the red/green/blue members of the XColor - structures. Value is a pointer to the array of XColors structures, - allocated with xmalloc; it must be freed by the caller. */ - -static XColor * -x_to_xcolors (f, img, rgb_p) - struct frame *f; - struct image *img; - int rgb_p; -{ - int x, y; - XColor *colors, *p; - XImage *ximg; - - colors = (XColor *) xmalloc (img->width * img->height * sizeof *colors); - - /* Get the X image IMG->pixmap. */ - ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap, - 0, 0, img->width, img->height, ~0, ZPixmap); - - /* Fill the `pixel' members of the XColor array. I wished there - were an easy and portable way to circumvent XGetPixel. */ - p = colors; - for (y = 0; y < img->height; ++y) - { - XColor *row = p; - - for (x = 0; x < img->width; ++x, ++p) - p->pixel = XGetPixel (ximg, x, y); - - if (rgb_p) - x_query_colors (f, row, img->width); - } - - XDestroyImage (ximg); - return colors; -} - - -/* Create IMG->pixmap from an array COLORS of XColor structures, whose - RGB members are set. F is the frame on which this all happens. - COLORS will be freed; an existing IMG->pixmap will be freed, too. */ - -static void -x_from_xcolors (f, img, colors) - struct frame *f; - struct image *img; - XColor *colors; -{ - int x, y; - XImage *oimg; - Pixmap pixmap; - XColor *p; - - init_color_table (); - - x_create_x_image_and_pixmap (f, img->width, img->height, 0, - &oimg, &pixmap); - p = colors; - for (y = 0; y < img->height; ++y) - for (x = 0; x < img->width; ++x, ++p) - { - unsigned long pixel; - pixel = lookup_rgb_color (f, p->red, p->green, p->blue); - XPutPixel (oimg, x, y, pixel); - } - - xfree (colors); - x_clear_image_1 (f, img, 1, 0, 1); - - x_put_x_image (f, oimg, pixmap, img->width, img->height); - x_destroy_x_image (oimg); - img->pixmap = pixmap; - img->colors = colors_in_color_table (&img->ncolors); - free_color_table (); -} - - -/* On frame F, perform edge-detection on image IMG. - - MATRIX is a nine-element array specifying the transformation - matrix. See emboss_matrix for an example. - - COLOR_ADJUST is a color adjustment added to each pixel of the - outgoing image. */ - -static void -x_detect_edges (f, img, matrix, color_adjust) - struct frame *f; - struct image *img; - int matrix[9], color_adjust; -{ - XColor *colors = x_to_xcolors (f, img, 1); - XColor *new, *p; - int x, y, i, sum; - - for (i = sum = 0; i < 9; ++i) - sum += abs (matrix[i]); - -#define COLOR(A, X, Y) ((A) + (Y) * img->width + (X)) - - new = (XColor *) xmalloc (img->width * img->height * sizeof *new); - - for (y = 0; y < img->height; ++y) - { - p = COLOR (new, 0, y); - p->red = p->green = p->blue = 0xffff/2; - p = COLOR (new, img->width - 1, y); - p->red = p->green = p->blue = 0xffff/2; - } - - for (x = 1; x < img->width - 1; ++x) - { - p = COLOR (new, x, 0); - p->red = p->green = p->blue = 0xffff/2; - p = COLOR (new, x, img->height - 1); - p->red = p->green = p->blue = 0xffff/2; - } - - for (y = 1; y < img->height - 1; ++y) - { - p = COLOR (new, 1, y); - - for (x = 1; x < img->width - 1; ++x, ++p) - { - int r, g, b, y1, x1; - - r = g = b = i = 0; - for (y1 = y - 1; y1 < y + 2; ++y1) - for (x1 = x - 1; x1 < x + 2; ++x1, ++i) - if (matrix[i]) - { - XColor *t = COLOR (colors, x1, y1); - r += matrix[i] * t->red; - g += matrix[i] * t->green; - b += matrix[i] * t->blue; - } - - r = (r / sum + color_adjust) & 0xffff; - g = (g / sum + color_adjust) & 0xffff; - b = (b / sum + color_adjust) & 0xffff; - p->red = p->green = p->blue = COLOR_INTENSITY (r, g, b); - } - } - - xfree (colors); - x_from_xcolors (f, img, new); - -#undef COLOR -} - - -/* Perform the pre-defined `emboss' edge-detection on image IMG - on frame F. */ - -static void -x_emboss (f, img) - struct frame *f; - struct image *img; -{ - x_detect_edges (f, img, emboss_matrix, 0xffff / 2); -} - - -/* Perform the pre-defined `laplace' edge-detection on image IMG - on frame F. */ - -static void -x_laplace (f, img) - struct frame *f; - struct image *img; -{ - x_detect_edges (f, img, laplace_matrix, 45000); -} - - -/* Perform edge-detection on image IMG on frame F, with specified - transformation matrix MATRIX and color-adjustment COLOR_ADJUST. - - MATRIX must be either - - - a list of at least 9 numbers in row-major form - - a vector of at least 9 numbers - - COLOR_ADJUST nil means use a default; otherwise it must be a - number. */ - -static void -x_edge_detection (f, img, matrix, color_adjust) - struct frame *f; - struct image *img; - Lisp_Object matrix, color_adjust; -{ - int i = 0; - int trans[9]; - - if (CONSP (matrix)) - { - for (i = 0; - i < 9 && CONSP (matrix) && NUMBERP (XCAR (matrix)); - ++i, matrix = XCDR (matrix)) - trans[i] = XFLOATINT (XCAR (matrix)); - } - else if (VECTORP (matrix) && ASIZE (matrix) >= 9) - { - for (i = 0; i < 9 && NUMBERP (AREF (matrix, i)); ++i) - trans[i] = XFLOATINT (AREF (matrix, i)); - } - - if (NILP (color_adjust)) - color_adjust = make_number (0xffff / 2); - - if (i == 9 && NUMBERP (color_adjust)) - x_detect_edges (f, img, trans, (int) XFLOATINT (color_adjust)); -} - - -/* Transform image IMG on frame F so that it looks disabled. */ - -static void -x_disable_image (f, img) - struct frame *f; - struct image *img; -{ - struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); - - if (dpyinfo->n_planes >= 2) - { - /* Color (or grayscale). Convert to gray, and equalize. Just - drawing such images with a stipple can look very odd, so - we're using this method instead. */ - XColor *colors = x_to_xcolors (f, img, 1); - XColor *p, *end; - const int h = 15000; - const int l = 30000; - - for (p = colors, end = colors + img->width * img->height; - p < end; - ++p) - { - int i = COLOR_INTENSITY (p->red, p->green, p->blue); - int i2 = (0xffff - h - l) * i / 0xffff + l; - p->red = p->green = p->blue = i2; - } - - x_from_xcolors (f, img, colors); - } - - /* Draw a cross over the disabled image, if we must or if we - should. */ - if (dpyinfo->n_planes < 2 || cross_disabled_images) - { - Display *dpy = FRAME_X_DISPLAY (f); - GC gc; - - gc = XCreateGC (dpy, img->pixmap, 0, NULL); - XSetForeground (dpy, gc, BLACK_PIX_DEFAULT (f)); - XDrawLine (dpy, img->pixmap, gc, 0, 0, - img->width - 1, img->height - 1); - XDrawLine (dpy, img->pixmap, gc, 0, img->height - 1, - img->width - 1, 0); - XFreeGC (dpy, gc); - - if (img->mask) - { - gc = XCreateGC (dpy, img->mask, 0, NULL); - XSetForeground (dpy, gc, WHITE_PIX_DEFAULT (f)); - XDrawLine (dpy, img->mask, gc, 0, 0, - img->width - 1, img->height - 1); - XDrawLine (dpy, img->mask, gc, 0, img->height - 1, - img->width - 1, 0); - XFreeGC (dpy, gc); - } - } -} - - -/* Build a mask for image IMG which is used on frame F. FILE is the - name of an image file, for error messages. HOW determines how to - determine the background color of IMG. If it is a list '(R G B)', - with R, G, and B being integers >= 0, take that as the color of the - background. Otherwise, determine the background color of IMG - heuristically. Value is non-zero if successful. */ - -static int -x_build_heuristic_mask (f, img, how) - struct frame *f; - struct image *img; - Lisp_Object how; -{ - Display *dpy = FRAME_X_DISPLAY (f); - XImage *ximg, *mask_img; - int x, y, rc, use_img_background; - unsigned long bg = 0; - - if (img->mask) - { - XFreePixmap (FRAME_X_DISPLAY (f), img->mask); - img->mask = None; - img->background_transparent_valid = 0; - } - - /* Create an image and pixmap serving as mask. */ - rc = x_create_x_image_and_pixmap (f, img->width, img->height, 1, - &mask_img, &img->mask); - if (!rc) - return 0; - - /* Get the X image of IMG->pixmap. */ - ximg = XGetImage (dpy, img->pixmap, 0, 0, img->width, img->height, - ~0, ZPixmap); - - /* Determine the background color of ximg. If HOW is `(R G B)' - take that as color. Otherwise, use the image's background color. */ - use_img_background = 1; - - if (CONSP (how)) - { - int rgb[3], i; - - for (i = 0; i < 3 && CONSP (how) && NATNUMP (XCAR (how)); ++i) - { - rgb[i] = XFASTINT (XCAR (how)) & 0xffff; - how = XCDR (how); - } - - if (i == 3 && NILP (how)) - { - char color_name[30]; - sprintf (color_name, "#%04x%04x%04x", rgb[0], rgb[1], rgb[2]); - bg = x_alloc_image_color (f, img, build_string (color_name), 0); - use_img_background = 0; - } - } - - if (use_img_background) - bg = four_corners_best (ximg, img->width, img->height); - - /* Set all bits in mask_img to 1 whose color in ximg is different - from the background color bg. */ - for (y = 0; y < img->height; ++y) - for (x = 0; x < img->width; ++x) - XPutPixel (mask_img, x, y, XGetPixel (ximg, x, y) != bg); - - /* Fill in the background_transparent field while we have the mask handy. */ - image_background_transparent (img, f, mask_img); - - /* Put mask_img into img->mask. */ - x_put_x_image (f, mask_img, img->mask, img->width, img->height); - x_destroy_x_image (mask_img); - XDestroyImage (ximg); - - return 1; -} - - - -/*********************************************************************** - PBM (mono, gray, color) - ***********************************************************************/ - -static int pbm_image_p P_ ((Lisp_Object object)); -static int pbm_load P_ ((struct frame *f, struct image *img)); -static int pbm_scan_number P_ ((unsigned char **, unsigned char *)); - -/* The symbol `pbm' identifying images of this type. */ - -Lisp_Object Qpbm; - -/* Indices of image specification fields in gs_format, below. */ - -enum pbm_keyword_index -{ - PBM_TYPE, - PBM_FILE, - PBM_DATA, - PBM_ASCENT, - PBM_MARGIN, - PBM_RELIEF, - PBM_ALGORITHM, - PBM_HEURISTIC_MASK, - PBM_MASK, - PBM_FOREGROUND, - PBM_BACKGROUND, - PBM_LAST -}; - -/* Vector of image_keyword structures describing the format - of valid user-defined image specifications. */ - -static struct image_keyword pbm_format[PBM_LAST] = -{ - {":type", IMAGE_SYMBOL_VALUE, 1}, - {":file", IMAGE_STRING_VALUE, 0}, - {":data", IMAGE_STRING_VALUE, 0}, - {":ascent", IMAGE_ASCENT_VALUE, 0}, - {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, - {":relief", IMAGE_INTEGER_VALUE, 0}, - {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":foreground", IMAGE_STRING_OR_NIL_VALUE, 0}, - {":background", IMAGE_STRING_OR_NIL_VALUE, 0} -}; - -/* Structure describing the image type `pbm'. */ - -static struct image_type pbm_type = -{ - &Qpbm, - pbm_image_p, - pbm_load, - x_clear_image, - NULL -}; - - -/* Return non-zero if OBJECT is a valid PBM image specification. */ - -static int -pbm_image_p (object) - Lisp_Object object; -{ - struct image_keyword fmt[PBM_LAST]; - - bcopy (pbm_format, fmt, sizeof fmt); - - if (!parse_image_spec (object, fmt, PBM_LAST, Qpbm)) - return 0; - - /* Must specify either :data or :file. */ - return fmt[PBM_DATA].count + fmt[PBM_FILE].count == 1; -} - - -/* Scan a decimal number from *S and return it. Advance *S while - reading the number. END is the end of the string. Value is -1 at - end of input. */ - -static int -pbm_scan_number (s, end) - unsigned char **s, *end; -{ - int c = 0, val = -1; - - while (*s < end) - { - /* Skip white-space. */ - while (*s < end && (c = *(*s)++, isspace (c))) - ; - - if (c == '#') - { - /* Skip comment to end of line. */ - while (*s < end && (c = *(*s)++, c != '\n')) - ; - } - else if (isdigit (c)) - { - /* Read decimal number. */ - val = c - '0'; - while (*s < end && (c = *(*s)++, isdigit (c))) - val = 10 * val + c - '0'; - break; - } - else - break; - } - - return val; -} - - -/* Load PBM image IMG for use on frame F. */ - -static int -pbm_load (f, img) - struct frame *f; - struct image *img; -{ - int raw_p, x, y; - int width, height, max_color_idx = 0; - XImage *ximg; - Lisp_Object file, specified_file; - enum {PBM_MONO, PBM_GRAY, PBM_COLOR} type; - struct gcpro gcpro1; - unsigned char *contents = NULL; - unsigned char *end, *p; - int size; - - specified_file = image_spec_value (img->spec, QCfile, NULL); - file = Qnil; - GCPRO1 (file); - - if (STRINGP (specified_file)) - { - file = x_find_image_file (specified_file); - if (!STRINGP (file)) - { - image_error ("Cannot find image file `%s'", specified_file, Qnil); - UNGCPRO; - return 0; - } - - contents = slurp_file (SDATA (file), &size); - if (contents == NULL) - { - image_error ("Error reading `%s'", file, Qnil); - UNGCPRO; - return 0; - } - - p = contents; - end = contents + size; - } - else - { - Lisp_Object data; - data = image_spec_value (img->spec, QCdata, NULL); - p = SDATA (data); - end = p + SBYTES (data); - } - - /* Check magic number. */ - if (end - p < 2 || *p++ != 'P') - { - image_error ("Not a PBM image: `%s'", img->spec, Qnil); - error: - xfree (contents); - UNGCPRO; - return 0; - } - - switch (*p++) - { - case '1': - raw_p = 0, type = PBM_MONO; - break; - - case '2': - raw_p = 0, type = PBM_GRAY; - break; - - case '3': - raw_p = 0, type = PBM_COLOR; - break; - - case '4': - raw_p = 1, type = PBM_MONO; - break; - - case '5': - raw_p = 1, type = PBM_GRAY; - break; - - case '6': - raw_p = 1, type = PBM_COLOR; - break; - - default: - image_error ("Not a PBM image: `%s'", img->spec, Qnil); - goto error; - } - - /* Read width, height, maximum color-component. Characters - starting with `#' up to the end of a line are ignored. */ - width = pbm_scan_number (&p, end); - height = pbm_scan_number (&p, end); - - if (type != PBM_MONO) - { - max_color_idx = pbm_scan_number (&p, end); - if (raw_p && max_color_idx > 255) - max_color_idx = 255; - } - - if (width < 0 - || height < 0 - || (type != PBM_MONO && max_color_idx < 0)) - goto error; - - if (!x_create_x_image_and_pixmap (f, width, height, 0, - &ximg, &img->pixmap)) - goto error; - - /* Initialize the color hash table. */ - init_color_table (); - - if (type == PBM_MONO) - { - int c = 0, g; - struct image_keyword fmt[PBM_LAST]; - unsigned long fg = FRAME_FOREGROUND_PIXEL (f); - unsigned long bg = FRAME_BACKGROUND_PIXEL (f); - - /* Parse the image specification. */ - bcopy (pbm_format, fmt, sizeof fmt); - parse_image_spec (img->spec, fmt, PBM_LAST, Qpbm); - - /* Get foreground and background colors, maybe allocate colors. */ - if (fmt[PBM_FOREGROUND].count - && STRINGP (fmt[PBM_FOREGROUND].value)) - fg = x_alloc_image_color (f, img, fmt[PBM_FOREGROUND].value, fg); - if (fmt[PBM_BACKGROUND].count - && STRINGP (fmt[PBM_BACKGROUND].value)) - { - bg = x_alloc_image_color (f, img, fmt[PBM_BACKGROUND].value, bg); - img->background = bg; - img->background_valid = 1; - } - - for (y = 0; y < height; ++y) - for (x = 0; x < width; ++x) - { - if (raw_p) - { - if ((x & 7) == 0) - c = *p++; - g = c & 0x80; - c <<= 1; - } - else - g = pbm_scan_number (&p, end); - - XPutPixel (ximg, x, y, g ? fg : bg); - } - } - else - { - for (y = 0; y < height; ++y) - for (x = 0; x < width; ++x) - { - int r, g, b; - - if (type == PBM_GRAY) - r = g = b = raw_p ? *p++ : pbm_scan_number (&p, end); - else if (raw_p) - { - r = *p++; - g = *p++; - b = *p++; - } - else - { - r = pbm_scan_number (&p, end); - g = pbm_scan_number (&p, end); - b = pbm_scan_number (&p, end); - } - - if (r < 0 || g < 0 || b < 0) - { - xfree (ximg->data); - ximg->data = NULL; - XDestroyImage (ximg); - image_error ("Invalid pixel value in image `%s'", - img->spec, Qnil); - goto error; - } - - /* RGB values are now in the range 0..max_color_idx. - Scale this to the range 0..0xffff supported by X. */ - r = (double) r * 65535 / max_color_idx; - g = (double) g * 65535 / max_color_idx; - b = (double) b * 65535 / max_color_idx; - XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b)); - } - } - - /* Store in IMG->colors the colors allocated for the image, and - free the color table. */ - img->colors = colors_in_color_table (&img->ncolors); - free_color_table (); - - /* Maybe fill in the background field while we have ximg handy. */ - if (NILP (image_spec_value (img->spec, QCbackground, NULL))) - IMAGE_BACKGROUND (img, f, ximg); - - /* Put the image into a pixmap. */ - x_put_x_image (f, ximg, img->pixmap, width, height); - x_destroy_x_image (ximg); - - img->width = width; - img->height = height; - - UNGCPRO; - xfree (contents); - return 1; -} - - - -/*********************************************************************** - PNG - ***********************************************************************/ - -#if HAVE_PNG - -#include - -/* Function prototypes. */ - -static int png_image_p P_ ((Lisp_Object object)); -static int png_load P_ ((struct frame *f, struct image *img)); - -/* The symbol `png' identifying images of this type. */ - -Lisp_Object Qpng; - -/* Indices of image specification fields in png_format, below. */ - -enum png_keyword_index -{ - PNG_TYPE, - PNG_DATA, - PNG_FILE, - PNG_ASCENT, - PNG_MARGIN, - PNG_RELIEF, - PNG_ALGORITHM, - PNG_HEURISTIC_MASK, - PNG_MASK, - PNG_BACKGROUND, - PNG_LAST -}; - -/* Vector of image_keyword structures describing the format - of valid user-defined image specifications. */ - -static struct image_keyword png_format[PNG_LAST] = -{ - {":type", IMAGE_SYMBOL_VALUE, 1}, - {":data", IMAGE_STRING_VALUE, 0}, - {":file", IMAGE_STRING_VALUE, 0}, - {":ascent", IMAGE_ASCENT_VALUE, 0}, - {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, - {":relief", IMAGE_INTEGER_VALUE, 0}, - {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":background", IMAGE_STRING_OR_NIL_VALUE, 0} -}; - -/* Structure describing the image type `png'. */ - -static struct image_type png_type = -{ - &Qpng, - png_image_p, - png_load, - x_clear_image, - NULL -}; - - -/* Return non-zero if OBJECT is a valid PNG image specification. */ - -static int -png_image_p (object) - Lisp_Object object; -{ - struct image_keyword fmt[PNG_LAST]; - bcopy (png_format, fmt, sizeof fmt); - - if (!parse_image_spec (object, fmt, PNG_LAST, Qpng)) - return 0; - - /* Must specify either the :data or :file keyword. */ - return fmt[PNG_FILE].count + fmt[PNG_DATA].count == 1; -} - - -/* Error and warning handlers installed when the PNG library - is initialized. */ - -static void -my_png_error (png_ptr, msg) - png_struct *png_ptr; - char *msg; -{ - xassert (png_ptr != NULL); - image_error ("PNG error: %s", build_string (msg), Qnil); - longjmp (png_ptr->jmpbuf, 1); -} - - -static void -my_png_warning (png_ptr, msg) - png_struct *png_ptr; - char *msg; -{ - xassert (png_ptr != NULL); - image_error ("PNG warning: %s", build_string (msg), Qnil); -} - -/* Memory source for PNG decoding. */ - -struct png_memory_storage -{ - unsigned char *bytes; /* The data */ - size_t len; /* How big is it? */ - int index; /* Where are we? */ -}; - - -/* Function set as reader function when reading PNG image from memory. - PNG_PTR is a pointer to the PNG control structure. Copy LENGTH - bytes from the input to DATA. */ - -static void -png_read_from_memory (png_ptr, data, length) - png_structp png_ptr; - png_bytep data; - png_size_t length; -{ - struct png_memory_storage *tbr - = (struct png_memory_storage *) png_get_io_ptr (png_ptr); - - if (length > tbr->len - tbr->index) - png_error (png_ptr, "Read error"); - - bcopy (tbr->bytes + tbr->index, data, length); - tbr->index = tbr->index + length; -} - -/* Load PNG image IMG for use on frame F. Value is non-zero if - successful. */ - -static int -png_load (f, img) - struct frame *f; - struct image *img; -{ - Lisp_Object file, specified_file; - Lisp_Object specified_data; - int x, y, i; - XImage *ximg, *mask_img = NULL; - struct gcpro gcpro1; - png_struct *png_ptr = NULL; - png_info *info_ptr = NULL, *end_info = NULL; - FILE *volatile fp = NULL; - png_byte sig[8]; - png_byte * volatile pixels = NULL; - png_byte ** volatile rows = NULL; - png_uint_32 width, height; - int bit_depth, color_type, interlace_type; - png_byte channels; - png_uint_32 row_bytes; - int transparent_p; - double screen_gamma; - struct png_memory_storage tbr; /* Data to be read */ - - /* Find out what file to load. */ - specified_file = image_spec_value (img->spec, QCfile, NULL); - specified_data = image_spec_value (img->spec, QCdata, NULL); - file = Qnil; - GCPRO1 (file); - - if (NILP (specified_data)) - { - file = x_find_image_file (specified_file); - if (!STRINGP (file)) - { - image_error ("Cannot find image file `%s'", specified_file, Qnil); - UNGCPRO; - return 0; - } - - /* Open the image file. */ - fp = fopen (SDATA (file), "rb"); - if (!fp) - { - image_error ("Cannot open image file `%s'", file, Qnil); - UNGCPRO; - fclose (fp); - return 0; - } - - /* Check PNG signature. */ - if (fread (sig, 1, sizeof sig, fp) != sizeof sig - || !png_check_sig (sig, sizeof sig)) - { - image_error ("Not a PNG file: `%s'", file, Qnil); - UNGCPRO; - fclose (fp); - return 0; - } - } - else - { - /* Read from memory. */ - tbr.bytes = SDATA (specified_data); - tbr.len = SBYTES (specified_data); - tbr.index = 0; - - /* Check PNG signature. */ - if (tbr.len < sizeof sig - || !png_check_sig (tbr.bytes, sizeof sig)) - { - image_error ("Not a PNG image: `%s'", img->spec, Qnil); - UNGCPRO; - return 0; - } - - /* Need to skip past the signature. */ - tbr.bytes += sizeof (sig); - } - - /* Initialize read and info structs for PNG lib. */ - png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL, - my_png_error, my_png_warning); - if (!png_ptr) - { - if (fp) fclose (fp); - UNGCPRO; - return 0; - } - - info_ptr = png_create_info_struct (png_ptr); - if (!info_ptr) - { - png_destroy_read_struct (&png_ptr, NULL, NULL); - if (fp) fclose (fp); - UNGCPRO; - return 0; - } - - end_info = png_create_info_struct (png_ptr); - if (!end_info) - { - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - if (fp) fclose (fp); - UNGCPRO; - return 0; - } - - /* Set error jump-back. We come back here when the PNG library - detects an error. */ - if (setjmp (png_ptr->jmpbuf)) - { - error: - if (png_ptr) - png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); - xfree (pixels); - xfree (rows); - if (fp) fclose (fp); - UNGCPRO; - return 0; - } - - /* Read image info. */ - if (!NILP (specified_data)) - png_set_read_fn (png_ptr, (void *) &tbr, png_read_from_memory); - else - png_init_io (png_ptr, fp); - - png_set_sig_bytes (png_ptr, sizeof sig); - png_read_info (png_ptr, info_ptr); - png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, - &interlace_type, NULL, NULL); - - /* If image contains simply transparency data, we prefer to - construct a clipping mask. */ - if (png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS)) - transparent_p = 1; - else - transparent_p = 0; - - /* This function is easier to write if we only have to handle - one data format: RGB or RGBA with 8 bits per channel. Let's - transform other formats into that format. */ - - /* Strip more than 8 bits per channel. */ - if (bit_depth == 16) - png_set_strip_16 (png_ptr); - - /* Expand data to 24 bit RGB, or 8 bit grayscale, with alpha channel - if available. */ - png_set_expand (png_ptr); - - /* Convert grayscale images to RGB. */ - if (color_type == PNG_COLOR_TYPE_GRAY - || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - png_set_gray_to_rgb (png_ptr); - - screen_gamma = (f->gamma ? 1 / f->gamma / 0.45455 : 2.2); - -#if 0 /* Avoid double gamma correction for PNG images. */ - { /* Tell the PNG lib to handle gamma correction for us. */ - int intent; - double image_gamma; -#if defined(PNG_READ_sRGB_SUPPORTED) || defined(PNG_WRITE_sRGB_SUPPORTED) - if (png_get_sRGB (png_ptr, info_ptr, &intent)) - /* The libpng documentation says this is right in this case. */ - png_set_gamma (png_ptr, screen_gamma, 0.45455); - else -#endif - if (png_get_gAMA (png_ptr, info_ptr, &image_gamma)) - /* Image contains gamma information. */ - png_set_gamma (png_ptr, screen_gamma, image_gamma); - else - /* Use the standard default for the image gamma. */ - png_set_gamma (png_ptr, screen_gamma, 0.45455); - } -#endif /* if 0 */ - - /* Handle alpha channel by combining the image with a background - color. Do this only if a real alpha channel is supplied. For - simple transparency, we prefer a clipping mask. */ - if (!transparent_p) - { - png_color_16 *image_bg; - Lisp_Object specified_bg - = image_spec_value (img->spec, QCbackground, NULL); - - if (STRINGP (specified_bg)) - /* The user specified `:background', use that. */ - { - XColor color; - if (x_defined_color (f, SDATA (specified_bg), &color, 0)) - { - png_color_16 user_bg; - - bzero (&user_bg, sizeof user_bg); - user_bg.red = color.red; - user_bg.green = color.green; - user_bg.blue = color.blue; - - png_set_background (png_ptr, &user_bg, - PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0); - } - } - else if (png_get_bKGD (png_ptr, info_ptr, &image_bg)) - /* Image contains a background color with which to - combine the image. */ - png_set_background (png_ptr, image_bg, - PNG_BACKGROUND_GAMMA_FILE, 1, 1.0); - else - { - /* Image does not contain a background color with which - to combine the image data via an alpha channel. Use - the frame's background instead. */ - XColor color; - Colormap cmap; - png_color_16 frame_background; - - cmap = FRAME_X_COLORMAP (f); - color.pixel = FRAME_BACKGROUND_PIXEL (f); - x_query_color (f, &color); - - bzero (&frame_background, sizeof frame_background); - frame_background.red = color.red; - frame_background.green = color.green; - frame_background.blue = color.blue; - - png_set_background (png_ptr, &frame_background, - PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0); - } - } - - /* Update info structure. */ - png_read_update_info (png_ptr, info_ptr); - - /* Get number of channels. Valid values are 1 for grayscale images - and images with a palette, 2 for grayscale images with transparency - information (alpha channel), 3 for RGB images, and 4 for RGB - images with alpha channel, i.e. RGBA. If conversions above were - sufficient we should only have 3 or 4 channels here. */ - channels = png_get_channels (png_ptr, info_ptr); - xassert (channels == 3 || channels == 4); - - /* Number of bytes needed for one row of the image. */ - row_bytes = png_get_rowbytes (png_ptr, info_ptr); - - /* Allocate memory for the image. */ - pixels = (png_byte *) xmalloc (row_bytes * height * sizeof *pixels); - rows = (png_byte **) xmalloc (height * sizeof *rows); - for (i = 0; i < height; ++i) - rows[i] = pixels + i * row_bytes; - - /* Read the entire image. */ - png_read_image (png_ptr, rows); - png_read_end (png_ptr, info_ptr); - if (fp) - { - fclose (fp); - fp = NULL; - } - - /* Create the X image and pixmap. */ - if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, - &img->pixmap)) - goto error; - - /* Create an image and pixmap serving as mask if the PNG image - contains an alpha channel. */ - if (channels == 4 - && !transparent_p - && !x_create_x_image_and_pixmap (f, width, height, 1, - &mask_img, &img->mask)) - { - x_destroy_x_image (ximg); - XFreePixmap (FRAME_X_DISPLAY (f), img->pixmap); - img->pixmap = None; - goto error; - } - - /* Fill the X image and mask from PNG data. */ - init_color_table (); - - for (y = 0; y < height; ++y) - { - png_byte *p = rows[y]; - - for (x = 0; x < width; ++x) - { - unsigned r, g, b; - - r = *p++ << 8; - g = *p++ << 8; - b = *p++ << 8; - XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b)); - - /* An alpha channel, aka mask channel, associates variable - transparency with an image. Where other image formats - support binary transparency---fully transparent or fully - opaque---PNG allows up to 254 levels of partial transparency. - The PNG library implements partial transparency by combining - the image with a specified background color. - - I'm not sure how to handle this here nicely: because the - background on which the image is displayed may change, for - real alpha channel support, it would be necessary to create - a new image for each possible background. - - What I'm doing now is that a mask is created if we have - boolean transparency information. Otherwise I'm using - the frame's background color to combine the image with. */ - - if (channels == 4) - { - if (mask_img) - XPutPixel (mask_img, x, y, *p > 0); - ++p; - } - } - } - - if (NILP (image_spec_value (img->spec, QCbackground, NULL))) - /* Set IMG's background color from the PNG image, unless the user - overrode it. */ - { - png_color_16 *bg; - if (png_get_bKGD (png_ptr, info_ptr, &bg)) - { - img->background = lookup_rgb_color (f, bg->red, bg->green, bg->blue); - img->background_valid = 1; - } - } - - /* Remember colors allocated for this image. */ - img->colors = colors_in_color_table (&img->ncolors); - free_color_table (); - - /* Clean up. */ - png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); - xfree (rows); - xfree (pixels); - - img->width = width; - img->height = height; - - /* Maybe fill in the background field while we have ximg handy. */ - IMAGE_BACKGROUND (img, f, ximg); - - /* Put the image into the pixmap, then free the X image and its buffer. */ - x_put_x_image (f, ximg, img->pixmap, width, height); - x_destroy_x_image (ximg); - - /* Same for the mask. */ - if (mask_img) - { - /* Fill in the background_transparent field while we have the mask - handy. */ - image_background_transparent (img, f, mask_img); - - x_put_x_image (f, mask_img, img->mask, img->width, img->height); - x_destroy_x_image (mask_img); - } - - UNGCPRO; - return 1; -} - -#endif /* HAVE_PNG != 0 */ - - - -/*********************************************************************** - JPEG - ***********************************************************************/ - -#if HAVE_JPEG - -/* Work around a warning about HAVE_STDLIB_H being redefined in - jconfig.h. */ -#ifdef HAVE_STDLIB_H -#define HAVE_STDLIB_H_1 -#undef HAVE_STDLIB_H -#endif /* HAVE_STLIB_H */ - -#include -#include -#include - -#ifdef HAVE_STLIB_H_1 -#define HAVE_STDLIB_H 1 -#endif - -static int jpeg_image_p P_ ((Lisp_Object object)); -static int jpeg_load P_ ((struct frame *f, struct image *img)); - -/* The symbol `jpeg' identifying images of this type. */ - -Lisp_Object Qjpeg; - -/* Indices of image specification fields in gs_format, below. */ - -enum jpeg_keyword_index -{ - JPEG_TYPE, - JPEG_DATA, - JPEG_FILE, - JPEG_ASCENT, - JPEG_MARGIN, - JPEG_RELIEF, - JPEG_ALGORITHM, - JPEG_HEURISTIC_MASK, - JPEG_MASK, - JPEG_BACKGROUND, - JPEG_LAST -}; - -/* Vector of image_keyword structures describing the format - of valid user-defined image specifications. */ - -static struct image_keyword jpeg_format[JPEG_LAST] = -{ - {":type", IMAGE_SYMBOL_VALUE, 1}, - {":data", IMAGE_STRING_VALUE, 0}, - {":file", IMAGE_STRING_VALUE, 0}, - {":ascent", IMAGE_ASCENT_VALUE, 0}, - {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, - {":relief", IMAGE_INTEGER_VALUE, 0}, - {":conversions", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":background", IMAGE_STRING_OR_NIL_VALUE, 0} -}; - -/* Structure describing the image type `jpeg'. */ - -static struct image_type jpeg_type = -{ - &Qjpeg, - jpeg_image_p, - jpeg_load, - x_clear_image, - NULL -}; - - -/* Return non-zero if OBJECT is a valid JPEG image specification. */ - -static int -jpeg_image_p (object) - Lisp_Object object; -{ - struct image_keyword fmt[JPEG_LAST]; - - bcopy (jpeg_format, fmt, sizeof fmt); - - if (!parse_image_spec (object, fmt, JPEG_LAST, Qjpeg)) - return 0; - - /* Must specify either the :data or :file keyword. */ - return fmt[JPEG_FILE].count + fmt[JPEG_DATA].count == 1; -} - - -struct my_jpeg_error_mgr -{ - struct jpeg_error_mgr pub; - jmp_buf setjmp_buffer; -}; - - -static void -my_error_exit (cinfo) - j_common_ptr cinfo; -{ - struct my_jpeg_error_mgr *mgr = (struct my_jpeg_error_mgr *) cinfo->err; - longjmp (mgr->setjmp_buffer, 1); -} - - -/* Init source method for JPEG data source manager. Called by - jpeg_read_header() before any data is actually read. See - libjpeg.doc from the JPEG lib distribution. */ - -static void -our_init_source (cinfo) - j_decompress_ptr cinfo; -{ -} - - -/* Fill input buffer method for JPEG data source manager. Called - whenever more data is needed. We read the whole image in one step, - so this only adds a fake end of input marker at the end. */ - -static boolean -our_fill_input_buffer (cinfo) - j_decompress_ptr cinfo; -{ - /* Insert a fake EOI marker. */ - struct jpeg_source_mgr *src = cinfo->src; - static JOCTET buffer[2]; - - buffer[0] = (JOCTET) 0xFF; - buffer[1] = (JOCTET) JPEG_EOI; - - src->next_input_byte = buffer; - src->bytes_in_buffer = 2; - return TRUE; -} - - -/* Method to skip over NUM_BYTES bytes in the image data. CINFO->src - is the JPEG data source manager. */ - -static void -our_skip_input_data (cinfo, num_bytes) - j_decompress_ptr cinfo; - long num_bytes; -{ - struct jpeg_source_mgr *src = (struct jpeg_source_mgr *) cinfo->src; - - if (src) - { - if (num_bytes > src->bytes_in_buffer) - ERREXIT (cinfo, JERR_INPUT_EOF); - - src->bytes_in_buffer -= num_bytes; - src->next_input_byte += num_bytes; - } -} - - -/* Method to terminate data source. Called by - jpeg_finish_decompress() after all data has been processed. */ - -static void -our_term_source (cinfo) - j_decompress_ptr cinfo; -{ -} - - -/* Set up the JPEG lib for reading an image from DATA which contains - LEN bytes. CINFO is the decompression info structure created for - reading the image. */ - -static void -jpeg_memory_src (cinfo, data, len) - j_decompress_ptr cinfo; - JOCTET *data; - unsigned int len; -{ - struct jpeg_source_mgr *src; - - if (cinfo->src == NULL) - { - /* First time for this JPEG object? */ - cinfo->src = (struct jpeg_source_mgr *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, - sizeof (struct jpeg_source_mgr)); - src = (struct jpeg_source_mgr *) cinfo->src; - src->next_input_byte = data; - } - - src = (struct jpeg_source_mgr *) cinfo->src; - src->init_source = our_init_source; - src->fill_input_buffer = our_fill_input_buffer; - src->skip_input_data = our_skip_input_data; - src->resync_to_restart = jpeg_resync_to_restart; /* Use default method. */ - src->term_source = our_term_source; - src->bytes_in_buffer = len; - src->next_input_byte = data; -} - - -/* Load image IMG for use on frame F. Patterned after example.c - from the JPEG lib. */ - -static int -jpeg_load (f, img) - struct frame *f; - struct image *img; -{ - struct jpeg_decompress_struct cinfo; - struct my_jpeg_error_mgr mgr; - Lisp_Object file, specified_file; - Lisp_Object specified_data; - FILE * volatile fp = NULL; - JSAMPARRAY buffer; - int row_stride, x, y; - XImage *ximg = NULL; - int rc; - unsigned long *colors; - int width, height; - struct gcpro gcpro1; - - /* Open the JPEG file. */ - specified_file = image_spec_value (img->spec, QCfile, NULL); - specified_data = image_spec_value (img->spec, QCdata, NULL); - file = Qnil; - GCPRO1 (file); - - if (NILP (specified_data)) - { - file = x_find_image_file (specified_file); - if (!STRINGP (file)) - { - image_error ("Cannot find image file `%s'", specified_file, Qnil); - UNGCPRO; - return 0; - } - - fp = fopen (SDATA (file), "r"); - if (fp == NULL) - { - image_error ("Cannot open `%s'", file, Qnil); - UNGCPRO; - return 0; - } - } - - /* Customize libjpeg's error handling to call my_error_exit when an - error is detected. This function will perform a longjmp. */ - cinfo.err = jpeg_std_error (&mgr.pub); - mgr.pub.error_exit = my_error_exit; - - if ((rc = setjmp (mgr.setjmp_buffer)) != 0) - { - if (rc == 1) - { - /* Called from my_error_exit. Display a JPEG error. */ - char buffer[JMSG_LENGTH_MAX]; - cinfo.err->format_message ((j_common_ptr) &cinfo, buffer); - image_error ("Error reading JPEG image `%s': %s", img->spec, - build_string (buffer)); - } - - /* Close the input file and destroy the JPEG object. */ - if (fp) - fclose ((FILE *) fp); - jpeg_destroy_decompress (&cinfo); - - /* If we already have an XImage, free that. */ - x_destroy_x_image (ximg); - - /* Free pixmap and colors. */ - x_clear_image (f, img); - - UNGCPRO; - return 0; - } - - /* Create the JPEG decompression object. Let it read from fp. - Read the JPEG image header. */ - jpeg_create_decompress (&cinfo); - - if (NILP (specified_data)) - jpeg_stdio_src (&cinfo, (FILE *) fp); - else - jpeg_memory_src (&cinfo, SDATA (specified_data), - SBYTES (specified_data)); - - jpeg_read_header (&cinfo, TRUE); - - /* Customize decompression so that color quantization will be used. - Start decompression. */ - cinfo.quantize_colors = TRUE; - jpeg_start_decompress (&cinfo); - width = img->width = cinfo.output_width; - height = img->height = cinfo.output_height; - - /* Create X image and pixmap. */ - if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) - longjmp (mgr.setjmp_buffer, 2); - - /* Allocate colors. When color quantization is used, - cinfo.actual_number_of_colors has been set with the number of - colors generated, and cinfo.colormap is a two-dimensional array - of color indices in the range 0..cinfo.actual_number_of_colors. - No more than 255 colors will be generated. */ - { - int i, ir, ig, ib; - - if (cinfo.out_color_components > 2) - ir = 0, ig = 1, ib = 2; - else if (cinfo.out_color_components > 1) - ir = 0, ig = 1, ib = 0; - else - ir = 0, ig = 0, ib = 0; - - /* Use the color table mechanism because it handles colors that - cannot be allocated nicely. Such colors will be replaced with - a default color, and we don't have to care about which colors - can be freed safely, and which can't. */ - init_color_table (); - colors = (unsigned long *) alloca (cinfo.actual_number_of_colors - * sizeof *colors); - - for (i = 0; i < cinfo.actual_number_of_colors; ++i) - { - /* Multiply RGB values with 255 because X expects RGB values - in the range 0..0xffff. */ - int r = cinfo.colormap[ir][i] << 8; - int g = cinfo.colormap[ig][i] << 8; - int b = cinfo.colormap[ib][i] << 8; - colors[i] = lookup_rgb_color (f, r, g, b); - } - - /* Remember those colors actually allocated. */ - img->colors = colors_in_color_table (&img->ncolors); - free_color_table (); - } - - /* Read pixels. */ - row_stride = width * cinfo.output_components; - buffer = cinfo.mem->alloc_sarray ((j_common_ptr) &cinfo, JPOOL_IMAGE, - row_stride, 1); - for (y = 0; y < height; ++y) - { - jpeg_read_scanlines (&cinfo, buffer, 1); - for (x = 0; x < cinfo.output_width; ++x) - XPutPixel (ximg, x, y, colors[buffer[0][x]]); - } - - /* Clean up. */ - jpeg_finish_decompress (&cinfo); - jpeg_destroy_decompress (&cinfo); - if (fp) - fclose ((FILE *) fp); - - /* Maybe fill in the background field while we have ximg handy. */ - if (NILP (image_spec_value (img->spec, QCbackground, NULL))) - IMAGE_BACKGROUND (img, f, ximg); - - /* Put the image into the pixmap. */ - x_put_x_image (f, ximg, img->pixmap, width, height); - x_destroy_x_image (ximg); - UNGCPRO; - return 1; -} - -#endif /* HAVE_JPEG */ - - - -/*********************************************************************** - TIFF - ***********************************************************************/ - -#if HAVE_TIFF - -#include - -static int tiff_image_p P_ ((Lisp_Object object)); -static int tiff_load P_ ((struct frame *f, struct image *img)); - -/* The symbol `tiff' identifying images of this type. */ - -Lisp_Object Qtiff; - -/* Indices of image specification fields in tiff_format, below. */ - -enum tiff_keyword_index -{ - TIFF_TYPE, - TIFF_DATA, - TIFF_FILE, - TIFF_ASCENT, - TIFF_MARGIN, - TIFF_RELIEF, - TIFF_ALGORITHM, - TIFF_HEURISTIC_MASK, - TIFF_MASK, - TIFF_BACKGROUND, - TIFF_LAST -}; - -/* Vector of image_keyword structures describing the format - of valid user-defined image specifications. */ - -static struct image_keyword tiff_format[TIFF_LAST] = -{ - {":type", IMAGE_SYMBOL_VALUE, 1}, - {":data", IMAGE_STRING_VALUE, 0}, - {":file", IMAGE_STRING_VALUE, 0}, - {":ascent", IMAGE_ASCENT_VALUE, 0}, - {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, - {":relief", IMAGE_INTEGER_VALUE, 0}, - {":conversions", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":background", IMAGE_STRING_OR_NIL_VALUE, 0} -}; - -/* Structure describing the image type `tiff'. */ - -static struct image_type tiff_type = -{ - &Qtiff, - tiff_image_p, - tiff_load, - x_clear_image, - NULL -}; - - -/* Return non-zero if OBJECT is a valid TIFF image specification. */ - -static int -tiff_image_p (object) - Lisp_Object object; -{ - struct image_keyword fmt[TIFF_LAST]; - bcopy (tiff_format, fmt, sizeof fmt); - - if (!parse_image_spec (object, fmt, TIFF_LAST, Qtiff)) - return 0; - - /* Must specify either the :data or :file keyword. */ - return fmt[TIFF_FILE].count + fmt[TIFF_DATA].count == 1; -} - - -/* Reading from a memory buffer for TIFF images Based on the PNG - memory source, but we have to provide a lot of extra functions. - Blah. - - We really only need to implement read and seek, but I am not - convinced that the TIFF library is smart enough not to destroy - itself if we only hand it the function pointers we need to - override. */ - -typedef struct -{ - unsigned char *bytes; - size_t len; - int index; -} -tiff_memory_source; - - -static size_t -tiff_read_from_memory (data, buf, size) - thandle_t data; - tdata_t buf; - tsize_t size; -{ - tiff_memory_source *src = (tiff_memory_source *) data; - - if (size > src->len - src->index) - return (size_t) -1; - bcopy (src->bytes + src->index, buf, size); - src->index += size; - return size; -} - - -static size_t -tiff_write_from_memory (data, buf, size) - thandle_t data; - tdata_t buf; - tsize_t size; -{ - return (size_t) -1; -} - - -static toff_t -tiff_seek_in_memory (data, off, whence) - thandle_t data; - toff_t off; - int whence; -{ - tiff_memory_source *src = (tiff_memory_source *) data; - int idx; - - switch (whence) - { - case SEEK_SET: /* Go from beginning of source. */ - idx = off; - break; - - case SEEK_END: /* Go from end of source. */ - idx = src->len + off; - break; - - case SEEK_CUR: /* Go from current position. */ - idx = src->index + off; - break; - - default: /* Invalid `whence'. */ - return -1; - } - - if (idx > src->len || idx < 0) - return -1; - - src->index = idx; - return src->index; -} - - -static int -tiff_close_memory (data) - thandle_t data; -{ - /* NOOP */ - return 0; -} - - -static int -tiff_mmap_memory (data, pbase, psize) - thandle_t data; - tdata_t *pbase; - toff_t *psize; -{ - /* It is already _IN_ memory. */ - return 0; -} - - -static void -tiff_unmap_memory (data, base, size) - thandle_t data; - tdata_t base; - toff_t size; -{ - /* We don't need to do this. */ -} - - -static toff_t -tiff_size_of_memory (data) - thandle_t data; -{ - return ((tiff_memory_source *) data)->len; -} - - -static void -tiff_error_handler (title, format, ap) - const char *title, *format; - va_list ap; -{ - char buf[512]; - int len; - - len = sprintf (buf, "TIFF error: %s ", title); - vsprintf (buf + len, format, ap); - add_to_log (buf, Qnil, Qnil); -} - - -static void -tiff_warning_handler (title, format, ap) - const char *title, *format; - va_list ap; -{ - char buf[512]; - int len; - - len = sprintf (buf, "TIFF warning: %s ", title); - vsprintf (buf + len, format, ap); - add_to_log (buf, Qnil, Qnil); -} - - -/* Load TIFF image IMG for use on frame F. Value is non-zero if - successful. */ - -static int -tiff_load (f, img) - struct frame *f; - struct image *img; -{ - Lisp_Object file, specified_file; - Lisp_Object specified_data; - TIFF *tiff; - int width, height, x, y; - uint32 *buf; - int rc; - XImage *ximg; - struct gcpro gcpro1; - tiff_memory_source memsrc; - - specified_file = image_spec_value (img->spec, QCfile, NULL); - specified_data = image_spec_value (img->spec, QCdata, NULL); - file = Qnil; - GCPRO1 (file); - - TIFFSetErrorHandler (tiff_error_handler); - TIFFSetWarningHandler (tiff_warning_handler); - - if (NILP (specified_data)) - { - /* Read from a file */ - file = x_find_image_file (specified_file); - if (!STRINGP (file)) - { - image_error ("Cannot find image file `%s'", file, Qnil); - UNGCPRO; - return 0; - } - - /* Try to open the image file. */ - tiff = TIFFOpen (SDATA (file), "r"); - if (tiff == NULL) - { - image_error ("Cannot open `%s'", file, Qnil); - UNGCPRO; - return 0; - } - } - else - { - /* Memory source! */ - memsrc.bytes = SDATA (specified_data); - memsrc.len = SBYTES (specified_data); - memsrc.index = 0; - - tiff = TIFFClientOpen ("memory_source", "r", &memsrc, - (TIFFReadWriteProc) tiff_read_from_memory, - (TIFFReadWriteProc) tiff_write_from_memory, - tiff_seek_in_memory, - tiff_close_memory, - tiff_size_of_memory, - tiff_mmap_memory, - tiff_unmap_memory); - - if (!tiff) - { - image_error ("Cannot open memory source for `%s'", img->spec, Qnil); - UNGCPRO; - return 0; - } - } - - /* Get width and height of the image, and allocate a raster buffer - of width x height 32-bit values. */ - TIFFGetField (tiff, TIFFTAG_IMAGEWIDTH, &width); - TIFFGetField (tiff, TIFFTAG_IMAGELENGTH, &height); - buf = (uint32 *) xmalloc (width * height * sizeof *buf); - - rc = TIFFReadRGBAImage (tiff, width, height, buf, 0); - TIFFClose (tiff); - if (!rc) - { - image_error ("Error reading TIFF image `%s'", img->spec, Qnil); - xfree (buf); - UNGCPRO; - return 0; - } - - /* Create the X image and pixmap. */ - if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) - { - xfree (buf); - UNGCPRO; - return 0; - } - - /* Initialize the color table. */ - init_color_table (); - - /* Process the pixel raster. Origin is in the lower-left corner. */ - for (y = 0; y < height; ++y) - { - uint32 *row = buf + y * width; - - for (x = 0; x < width; ++x) - { - uint32 abgr = row[x]; - int r = TIFFGetR (abgr) << 8; - int g = TIFFGetG (abgr) << 8; - int b = TIFFGetB (abgr) << 8; - XPutPixel (ximg, x, height - 1 - y, lookup_rgb_color (f, r, g, b)); - } - } - - /* Remember the colors allocated for the image. Free the color table. */ - img->colors = colors_in_color_table (&img->ncolors); - free_color_table (); - - img->width = width; - img->height = height; - - /* Maybe fill in the background field while we have ximg handy. */ - if (NILP (image_spec_value (img->spec, QCbackground, NULL))) - IMAGE_BACKGROUND (img, f, ximg); - - /* Put the image into the pixmap, then free the X image and its buffer. */ - x_put_x_image (f, ximg, img->pixmap, width, height); - x_destroy_x_image (ximg); - xfree (buf); - - UNGCPRO; - return 1; -} - -#endif /* HAVE_TIFF != 0 */ - - - -/*********************************************************************** - GIF - ***********************************************************************/ - -#if HAVE_GIF - -#include - -static int gif_image_p P_ ((Lisp_Object object)); -static int gif_load P_ ((struct frame *f, struct image *img)); - -/* The symbol `gif' identifying images of this type. */ - -Lisp_Object Qgif; - -/* Indices of image specification fields in gif_format, below. */ - -enum gif_keyword_index -{ - GIF_TYPE, - GIF_DATA, - GIF_FILE, - GIF_ASCENT, - GIF_MARGIN, - GIF_RELIEF, - GIF_ALGORITHM, - GIF_HEURISTIC_MASK, - GIF_MASK, - GIF_IMAGE, - GIF_BACKGROUND, - GIF_LAST -}; - -/* Vector of image_keyword structures describing the format - of valid user-defined image specifications. */ - -static struct image_keyword gif_format[GIF_LAST] = -{ - {":type", IMAGE_SYMBOL_VALUE, 1}, - {":data", IMAGE_STRING_VALUE, 0}, - {":file", IMAGE_STRING_VALUE, 0}, - {":ascent", IMAGE_ASCENT_VALUE, 0}, - {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, - {":relief", IMAGE_INTEGER_VALUE, 0}, - {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":image", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}, - {":background", IMAGE_STRING_OR_NIL_VALUE, 0} -}; - -/* Structure describing the image type `gif'. */ - -static struct image_type gif_type = -{ - &Qgif, - gif_image_p, - gif_load, - x_clear_image, - NULL -}; - - -/* Return non-zero if OBJECT is a valid GIF image specification. */ - -static int -gif_image_p (object) - Lisp_Object object; -{ - struct image_keyword fmt[GIF_LAST]; - bcopy (gif_format, fmt, sizeof fmt); - - if (!parse_image_spec (object, fmt, GIF_LAST, Qgif)) - return 0; - - /* Must specify either the :data or :file keyword. */ - return fmt[GIF_FILE].count + fmt[GIF_DATA].count == 1; -} - - -/* Reading a GIF image from memory - Based on the PNG memory stuff to a certain extent. */ - -typedef struct -{ - unsigned char *bytes; - size_t len; - int index; -} -gif_memory_source; - - -/* Make the current memory source available to gif_read_from_memory. - It's done this way because not all versions of libungif support - a UserData field in the GifFileType structure. */ -static gif_memory_source *current_gif_memory_src; - -static int -gif_read_from_memory (file, buf, len) - GifFileType *file; - GifByteType *buf; - int len; -{ - gif_memory_source *src = current_gif_memory_src; - - if (len > src->len - src->index) - return -1; - - bcopy (src->bytes + src->index, buf, len); - src->index += len; - return len; -} - - -/* Load GIF image IMG for use on frame F. Value is non-zero if - successful. */ - -static int -gif_load (f, img) - struct frame *f; - struct image *img; -{ - Lisp_Object file, specified_file; - Lisp_Object specified_data; - int rc, width, height, x, y, i; - XImage *ximg; - ColorMapObject *gif_color_map; - unsigned long pixel_colors[256]; - GifFileType *gif; - struct gcpro gcpro1; - Lisp_Object image; - int ino, image_left, image_top, image_width, image_height; - gif_memory_source memsrc; - unsigned char *raster; - - specified_file = image_spec_value (img->spec, QCfile, NULL); - specified_data = image_spec_value (img->spec, QCdata, NULL); - file = Qnil; - GCPRO1 (file); - - if (NILP (specified_data)) - { - file = x_find_image_file (specified_file); - if (!STRINGP (file)) - { - image_error ("Cannot find image file `%s'", specified_file, Qnil); - UNGCPRO; - return 0; - } - - /* Open the GIF file. */ - gif = DGifOpenFileName (SDATA (file)); - if (gif == NULL) - { - image_error ("Cannot open `%s'", file, Qnil); - UNGCPRO; - return 0; - } - } - else - { - /* Read from memory! */ - current_gif_memory_src = &memsrc; - memsrc.bytes = SDATA (specified_data); - memsrc.len = SBYTES (specified_data); - memsrc.index = 0; - - gif = DGifOpen(&memsrc, gif_read_from_memory); - if (!gif) - { - image_error ("Cannot open memory source `%s'", img->spec, Qnil); - UNGCPRO; - return 0; - } - } - - /* Read entire contents. */ - rc = DGifSlurp (gif); - if (rc == GIF_ERROR) - { - image_error ("Error reading `%s'", img->spec, Qnil); - DGifCloseFile (gif); - UNGCPRO; - return 0; - } - - image = image_spec_value (img->spec, QCindex, NULL); - ino = INTEGERP (image) ? XFASTINT (image) : 0; - if (ino >= gif->ImageCount) - { - image_error ("Invalid image number `%s' in image `%s'", - image, img->spec); - DGifCloseFile (gif); - UNGCPRO; - return 0; - } - - width = img->width = max (gif->SWidth, gif->Image.Left + gif->Image.Width); - height = img->height = max (gif->SHeight, gif->Image.Top + gif->Image.Height); - - /* Create the X image and pixmap. */ - if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap)) - { - DGifCloseFile (gif); - UNGCPRO; - return 0; - } - - /* Allocate colors. */ - gif_color_map = gif->SavedImages[ino].ImageDesc.ColorMap; - if (!gif_color_map) - gif_color_map = gif->SColorMap; - init_color_table (); - bzero (pixel_colors, sizeof pixel_colors); - - for (i = 0; i < gif_color_map->ColorCount; ++i) - { - int r = gif_color_map->Colors[i].Red << 8; - int g = gif_color_map->Colors[i].Green << 8; - int b = gif_color_map->Colors[i].Blue << 8; - pixel_colors[i] = lookup_rgb_color (f, r, g, b); - } - - img->colors = colors_in_color_table (&img->ncolors); - free_color_table (); - - /* Clear the part of the screen image that are not covered by - the image from the GIF file. Full animated GIF support - requires more than can be done here (see the gif89 spec, - disposal methods). Let's simply assume that the part - not covered by a sub-image is in the frame's background color. */ - image_top = gif->SavedImages[ino].ImageDesc.Top; - image_left = gif->SavedImages[ino].ImageDesc.Left; - image_width = gif->SavedImages[ino].ImageDesc.Width; - image_height = gif->SavedImages[ino].ImageDesc.Height; - - for (y = 0; y < image_top; ++y) - for (x = 0; x < width; ++x) - XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); - - for (y = image_top + image_height; y < height; ++y) - for (x = 0; x < width; ++x) - XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); - - for (y = image_top; y < image_top + image_height; ++y) - { - for (x = 0; x < image_left; ++x) - XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); - for (x = image_left + image_width; x < width; ++x) - XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f)); - } - - /* Read the GIF image into the X image. We use a local variable - `raster' here because RasterBits below is a char *, and invites - problems with bytes >= 0x80. */ - raster = (unsigned char *) gif->SavedImages[ino].RasterBits; - - if (gif->SavedImages[ino].ImageDesc.Interlace) - { - static int interlace_start[] = {0, 4, 2, 1}; - static int interlace_increment[] = {8, 8, 4, 2}; - int pass; - int row = interlace_start[0]; - - pass = 0; - - for (y = 0; y < image_height; y++) - { - if (row >= image_height) - { - row = interlace_start[++pass]; - while (row >= image_height) - row = interlace_start[++pass]; - } - - for (x = 0; x < image_width; x++) - { - int i = raster[(y * image_width) + x]; - XPutPixel (ximg, x + image_left, row + image_top, - pixel_colors[i]); - } - - row += interlace_increment[pass]; - } - } - else - { - for (y = 0; y < image_height; ++y) - for (x = 0; x < image_width; ++x) - { - int i = raster[y * image_width + x]; - XPutPixel (ximg, x + image_left, y + image_top, pixel_colors[i]); - } - } - - DGifCloseFile (gif); - - /* Maybe fill in the background field while we have ximg handy. */ - if (NILP (image_spec_value (img->spec, QCbackground, NULL))) - IMAGE_BACKGROUND (img, f, ximg); - - /* Put the image into the pixmap, then free the X image and its buffer. */ - x_put_x_image (f, ximg, img->pixmap, width, height); - x_destroy_x_image (ximg); - - UNGCPRO; - return 1; -} - -#endif /* HAVE_GIF != 0 */ - - - -/*********************************************************************** - Ghostscript - ***********************************************************************/ - -static int gs_image_p P_ ((Lisp_Object object)); -static int gs_load P_ ((struct frame *f, struct image *img)); -static void gs_clear_image P_ ((struct frame *f, struct image *img)); - -/* The symbol `postscript' identifying images of this type. */ - -Lisp_Object Qpostscript; - -/* Keyword symbols. */ - -Lisp_Object QCloader, QCbounding_box, QCpt_width, QCpt_height; - -/* Indices of image specification fields in gs_format, below. */ - -enum gs_keyword_index -{ - GS_TYPE, - GS_PT_WIDTH, - GS_PT_HEIGHT, - GS_FILE, - GS_LOADER, - GS_BOUNDING_BOX, - GS_ASCENT, - GS_MARGIN, - GS_RELIEF, - GS_ALGORITHM, - GS_HEURISTIC_MASK, - GS_MASK, - GS_BACKGROUND, - GS_LAST -}; - -/* Vector of image_keyword structures describing the format - of valid user-defined image specifications. */ - -static struct image_keyword gs_format[GS_LAST] = -{ - {":type", IMAGE_SYMBOL_VALUE, 1}, - {":pt-width", IMAGE_POSITIVE_INTEGER_VALUE, 1}, - {":pt-height", IMAGE_POSITIVE_INTEGER_VALUE, 1}, - {":file", IMAGE_STRING_VALUE, 1}, - {":loader", IMAGE_FUNCTION_VALUE, 0}, - {":bounding-box", IMAGE_DONT_CHECK_VALUE_TYPE, 1}, - {":ascent", IMAGE_ASCENT_VALUE, 0}, - {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0}, - {":relief", IMAGE_INTEGER_VALUE, 0}, - {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}, - {":background", IMAGE_STRING_OR_NIL_VALUE, 0} -}; - -/* Structure describing the image type `ghostscript'. */ - -static struct image_type gs_type = -{ - &Qpostscript, - gs_image_p, - gs_load, - gs_clear_image, - NULL -}; - - -/* Free X resources of Ghostscript image IMG which is used on frame F. */ - -static void -gs_clear_image (f, img) - struct frame *f; - struct image *img; -{ - /* IMG->data.ptr_val may contain a recorded colormap. */ - xfree (img->data.ptr_val); - x_clear_image (f, img); -} + error ("Cannot connect to X server %s", SDATA (display)); + } + x_in_use = 1; -/* Return non-zero if OBJECT is a valid Ghostscript image - specification. */ + XSETFASTINT (Vwindow_system_version, 11); + return Qnil; +} -static int -gs_image_p (object) - Lisp_Object object; +DEFUN ("x-close-connection", Fx_close_connection, + Sx_close_connection, 1, 1, 0, + doc: /* Close the connection to DISPLAY's X server. +For DISPLAY, specify either a frame or a display name (a string). +If DISPLAY is nil, that stands for the selected frame's display. */) + (display) + Lisp_Object display; { - struct image_keyword fmt[GS_LAST]; - Lisp_Object tem; + struct x_display_info *dpyinfo = check_x_display_info (display); int i; - bcopy (gs_format, fmt, sizeof fmt); + if (dpyinfo->reference_count > 0) + error ("Display still has frames on it"); - if (!parse_image_spec (object, fmt, GS_LAST, Qpostscript)) - return 0; + BLOCK_INPUT; + /* Free the fonts in the font table. */ + for (i = 0; i < dpyinfo->n_fonts; i++) + if (dpyinfo->font_table[i].name) + { + XFreeFont (dpyinfo->display, dpyinfo->font_table[i].font); + } - /* Bounding box must be a list or vector containing 4 integers. */ - tem = fmt[GS_BOUNDING_BOX].value; - if (CONSP (tem)) - { - for (i = 0; i < 4; ++i, tem = XCDR (tem)) - if (!CONSP (tem) || !INTEGERP (XCAR (tem))) - return 0; - if (!NILP (tem)) - return 0; - } - else if (VECTORP (tem)) - { - if (XVECTOR (tem)->size != 4) - return 0; - for (i = 0; i < 4; ++i) - if (!INTEGERP (XVECTOR (tem)->contents[i])) - return 0; - } - else - return 0; + x_destroy_all_bitmaps (dpyinfo); + XSetCloseDownMode (dpyinfo->display, DestroyAll); - return 1; -} +#ifdef USE_GTK + xg_display_close (dpyinfo->display); +#else +#ifdef USE_X_TOOLKIT + XtCloseDisplay (dpyinfo->display); +#else + XCloseDisplay (dpyinfo->display); +#endif +#endif /* ! USE_GTK */ + x_delete_display (dpyinfo); + UNBLOCK_INPUT; -/* Load Ghostscript image IMG for use on frame F. Value is non-zero - if successful. */ + return Qnil; +} -static int -gs_load (f, img) - struct frame *f; - struct image *img; +DEFUN ("x-display-list", Fx_display_list, Sx_display_list, 0, 0, 0, + doc: /* Return the list of display names that Emacs has connections to. */) + () { - char buffer[100]; - Lisp_Object window_and_pixmap_id = Qnil, loader, pt_height, pt_width; - struct gcpro gcpro1, gcpro2; - Lisp_Object frame; - double in_width, in_height; - Lisp_Object pixel_colors = Qnil; - - /* Compute pixel size of pixmap needed from the given size in the - image specification. Sizes in the specification are in pt. 1 pt - = 1/72 in, xdpi and ydpi are stored in the frame's X display - info. */ - pt_width = image_spec_value (img->spec, QCpt_width, NULL); - in_width = XFASTINT (pt_width) / 72.0; - img->width = in_width * FRAME_X_DISPLAY_INFO (f)->resx; - pt_height = image_spec_value (img->spec, QCpt_height, NULL); - in_height = XFASTINT (pt_height) / 72.0; - img->height = in_height * FRAME_X_DISPLAY_INFO (f)->resy; - - /* Create the pixmap. */ - xassert (img->pixmap == None); - img->pixmap = XCreatePixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), - img->width, img->height, - DefaultDepthOfScreen (FRAME_X_SCREEN (f))); - - if (!img->pixmap) - { - image_error ("Unable to create pixmap for `%s'", img->spec, Qnil); - return 0; - } - - /* Call the loader to fill the pixmap. It returns a process object - if successful. We do not record_unwind_protect here because - other places in redisplay like calling window scroll functions - don't either. Let the Lisp loader use `unwind-protect' instead. */ - GCPRO2 (window_and_pixmap_id, pixel_colors); - - sprintf (buffer, "%lu %lu", - (unsigned long) FRAME_X_WINDOW (f), - (unsigned long) img->pixmap); - window_and_pixmap_id = build_string (buffer); + Lisp_Object tail, result; - sprintf (buffer, "%lu %lu", - FRAME_FOREGROUND_PIXEL (f), - FRAME_BACKGROUND_PIXEL (f)); - pixel_colors = build_string (buffer); + result = Qnil; + for (tail = x_display_name_list; ! NILP (tail); tail = XCDR (tail)) + result = Fcons (XCAR (XCAR (tail)), result); - XSETFRAME (frame, f); - loader = image_spec_value (img->spec, QCloader, NULL); - if (NILP (loader)) - loader = intern ("gs-load-image"); - - img->data.lisp_val = call6 (loader, frame, img->spec, - make_number (img->width), - make_number (img->height), - window_and_pixmap_id, - pixel_colors); - UNGCPRO; - return PROCESSP (img->data.lisp_val); + return result; } - -/* Kill the Ghostscript process that was started to fill PIXMAP on - frame F. Called from XTread_socket when receiving an event - telling Emacs that Ghostscript has finished drawing. */ - -void -x_kill_gs_process (pixmap, f) - Pixmap pixmap; - struct frame *f; +DEFUN ("x-synchronize", Fx_synchronize, Sx_synchronize, 1, 2, 0, + doc: /* If ON is non-nil, report X errors as soon as the erring request is made. +If ON is nil, allow buffering of requests. +Turning on synchronization prohibits the Xlib routines from buffering +requests and seriously degrades performance, but makes debugging much +easier. +The optional second argument DISPLAY specifies which display to act on. +DISPLAY should be either a frame or a display name (a string). +If DISPLAY is omitted or nil, that stands for the selected frame's display. */) + (on, display) + Lisp_Object display, on; { - struct image_cache *c = FRAME_X_IMAGE_CACHE (f); - int class, i; - struct image *img; - - /* Find the image containing PIXMAP. */ - for (i = 0; i < c->used; ++i) - if (c->images[i]->pixmap == pixmap) - break; - - /* Should someone in between have cleared the image cache, for - instance, give up. */ - if (i == c->used) - return; - - /* Kill the GS process. We should have found PIXMAP in the image - cache and its image should contain a process object. */ - img = c->images[i]; - xassert (PROCESSP (img->data.lisp_val)); - Fkill_process (img->data.lisp_val, Qnil); - img->data.lisp_val = Qnil; - - /* On displays with a mutable colormap, figure out the colors - allocated for the image by looking at the pixels of an XImage for - img->pixmap. */ - class = FRAME_X_VISUAL (f)->class; - if (class != StaticColor && class != StaticGray && class != TrueColor) - { - XImage *ximg; + struct x_display_info *dpyinfo = check_x_display_info (display); - BLOCK_INPUT; + XSynchronize (dpyinfo->display, !EQ (on, Qnil)); - /* Try to get an XImage for img->pixmep. */ - ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap, - 0, 0, img->width, img->height, ~0, ZPixmap); - if (ximg) - { - int x, y; - - /* Initialize the color table. */ - init_color_table (); - - /* For each pixel of the image, look its color up in the - color table. After having done so, the color table will - contain an entry for each color used by the image. */ - for (y = 0; y < img->height; ++y) - for (x = 0; x < img->width; ++x) - { - unsigned long pixel = XGetPixel (ximg, x, y); - lookup_pixel_color (f, pixel); - } - - /* Record colors in the image. Free color table and XImage. */ - img->colors = colors_in_color_table (&img->ncolors); - free_color_table (); - XDestroyImage (ximg); - -#if 0 /* This doesn't seem to be the case. If we free the colors - here, we get a BadAccess later in x_clear_image when - freeing the colors. */ - /* We have allocated colors once, but Ghostscript has also - allocated colors on behalf of us. So, to get the - reference counts right, free them once. */ - if (img->ncolors) - x_free_colors (f, img->colors, img->ncolors); -#endif - } - else - image_error ("Cannot get X image of `%s'; colors will not be freed", - img->spec, Qnil); + return Qnil; +} - UNBLOCK_INPUT; - } +/* Wait for responses to all X commands issued so far for frame F. */ - /* Now that we have the pixmap, compute mask and transform the - image if requested. */ +void +x_sync (f) + FRAME_PTR f; +{ BLOCK_INPUT; - postprocess_image (f, img); + XSync (FRAME_X_DISPLAY (f), False); UNBLOCK_INPUT; } - /*********************************************************************** Window properties ***********************************************************************/ DEFUN ("x-change-window-property", Fx_change_window_property, - Sx_change_window_property, 2, 3, 0, + Sx_change_window_property, 2, 6, 0, doc: /* Change window property PROP to VALUE on the X window of FRAME. -PROP and VALUE must be strings. FRAME nil or omitted means use the -selected frame. Value is VALUE. */) - (prop, value, frame) - Lisp_Object frame, prop, value; +PROP must be a string. +VALUE may be a string or a list of conses, numbers and/or strings. +If an element in the list is a string, it is converted to +an Atom and the value of the Atom is used. If an element is a cons, +it is converted to a 32 bit number where the car is the 16 top bits and the +cdr is the lower 16 bits. +FRAME nil or omitted means use the selected frame. +If TYPE is given and non-nil, it is the name of the type of VALUE. +If TYPE is not given or nil, the type is STRING. +FORMAT gives the size in bits of each element if VALUE is a list. +It must be one of 8, 16 or 32. +If VALUE is a string or FORMAT is nil or not given, FORMAT defaults to 8. +If OUTER_P is non-nil, the property is changed for the outer X window of +FRAME. Default is to change on the edit X window. + +Value is VALUE. */) + (prop, value, frame, type, format, outer_p) + Lisp_Object prop, value, frame, type, format, outer_p; { struct frame *f = check_x_frame (frame); Atom prop_atom; + Atom target_type = XA_STRING; + int element_format = 8; + unsigned char *data; + int nelements; + Window w; CHECK_STRING (prop); - CHECK_STRING (value); + + if (! NILP (format)) + { + CHECK_NUMBER (format); + element_format = XFASTINT (format); + + if (element_format != 8 && element_format != 16 + && element_format != 32) + error ("FORMAT must be one of 8, 16 or 32"); + } + + if (CONSP (value)) + { + nelements = x_check_property_data (value); + if (nelements == -1) + error ("Bad data in VALUE, must be number, string or cons"); + + if (element_format == 8) + data = (unsigned char *) xmalloc (nelements); + else if (element_format == 16) + data = (unsigned char *) xmalloc (nelements*2); + else /* format == 32 */ + /* The man page for XChangeProperty: + "If the specified format is 32, the property data must be a + long array." + This applies even if long is more than 64 bits. The X library + converts to 32 bits before sending to the X server. */ + data = (unsigned char *) xmalloc (nelements * sizeof(long)); + + x_fill_property_data (FRAME_X_DISPLAY (f), value, data, element_format); + } + else + { + CHECK_STRING (value); + data = SDATA (value); + nelements = SCHARS (value); + } BLOCK_INPUT; prop_atom = XInternAtom (FRAME_X_DISPLAY (f), SDATA (prop), False); - XChangeProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), - prop_atom, XA_STRING, 8, PropModeReplace, - SDATA (value), SCHARS (value)); + if (! NILP (type)) + { + CHECK_STRING (type); + target_type = XInternAtom (FRAME_X_DISPLAY (f), SDATA (type), False); + } + + if (! NILP (outer_p)) w = FRAME_OUTER_WINDOW (f); + else w = FRAME_X_WINDOW (f); + + XChangeProperty (FRAME_X_DISPLAY (f), w, + prop_atom, target_type, element_format, PropModeReplace, + data, nelements); + + if (CONSP (value)) xfree (data); /* Make sure the property is set when we return. */ XFlush (FRAME_X_DISPLAY (f)); @@ -9312,30 +4297,66 @@ FRAME nil or omitted means use the selected frame. Value is PROP. */) DEFUN ("x-window-property", Fx_window_property, Sx_window_property, - 1, 2, 0, + 1, 6, 0, doc: /* Value is the value of window property PROP on FRAME. -If FRAME is nil or omitted, use the selected frame. Value is nil -if FRAME hasn't a property with name PROP or if PROP has no string -value. */) - (prop, frame) - Lisp_Object prop, frame; +If FRAME is nil or omitted, use the selected frame. +If TYPE is nil or omitted, get the property as a string. Otherwise TYPE +is the name of the Atom that denotes the type expected. +If SOURCE is non-nil, get the property on that window instead of from +FRAME. The number 0 denotes the root window. +If DELETE_P is non-nil, delete the property after retreiving it. +If VECTOR_RET_P is non-nil, don't return a string but a vector of values. + +Value is nil if FRAME hasn't a property with name PROP or if PROP has +no value of TYPE. */) + (prop, frame, type, source, delete_p, vector_ret_p) + Lisp_Object prop, frame, type, source, delete_p, vector_ret_p; { struct frame *f = check_x_frame (frame); Atom prop_atom; int rc; Lisp_Object prop_value = Qnil; - char *tmp_data = NULL; + unsigned char *tmp_data = NULL; Atom actual_type; + Atom target_type = XA_STRING; int actual_format; unsigned long actual_size, bytes_remaining; + Window target_window = FRAME_X_WINDOW (f); + struct gcpro gcpro1; + GCPRO1 (prop_value); CHECK_STRING (prop); + + if (! NILP (source)) + { + if (NUMBERP (source)) + { + if (FLOATP (source)) + target_window = (Window) XFLOAT (source); + else + target_window = XFASTINT (source); + + if (target_window == 0) + target_window = FRAME_X_DISPLAY_INFO (f)->root_window; + } + else if (CONSP (source)) + target_window = cons_to_long (source); + } + BLOCK_INPUT; + if (STRINGP (type)) + { + if (strcmp ("AnyPropertyType", SDATA (type)) == 0) + target_type = AnyPropertyType; + else + target_type = XInternAtom (FRAME_X_DISPLAY (f), SDATA (type), False); + } + prop_atom = XInternAtom (FRAME_X_DISPLAY (f), SDATA (prop), False); - rc = XGetWindowProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), - prop_atom, 0, 0, False, XA_STRING, + rc = XGetWindowProperty (FRAME_X_DISPLAY (f), target_window, + prop_atom, 0, 0, False, target_type, &actual_type, &actual_format, &actual_size, - &bytes_remaining, (unsigned char **) &tmp_data); + &bytes_remaining, &tmp_data); if (rc == Success) { int size = bytes_remaining; @@ -9343,19 +4364,53 @@ value. */) XFree (tmp_data); tmp_data = NULL; - rc = XGetWindowProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), + rc = XGetWindowProperty (FRAME_X_DISPLAY (f), target_window, prop_atom, 0, bytes_remaining, - False, XA_STRING, + ! NILP (delete_p), target_type, &actual_type, &actual_format, &actual_size, &bytes_remaining, - (unsigned char **) &tmp_data); + &tmp_data); if (rc == Success && tmp_data) - prop_value = make_string (tmp_data, size); + { + /* The man page for XGetWindowProperty says: + "If the returned format is 32, the returned data is represented + as a long array and should be cast to that type to obtain the + elements." + This applies even if long is more than 32 bits, the X library + converts from 32 bit elements received from the X server to long + and passes the long array to us. Thus, for that case bcopy can not + be used. We convert to a 32 bit type here, because so much code + assume on that. + + The bytes and offsets passed to XGetWindowProperty refers to the + property and those are indeed in 32 bit quantities if format is + 32. */ + + if (actual_format == 32 && actual_format < BITS_PER_LONG) + { + unsigned long i; + int *idata = (int *) tmp_data; + long *ldata = (long *) tmp_data; + + for (i = 0; i < actual_size; ++i) + idata[i] = (int) ldata[i]; + } + + if (NILP (vector_ret_p)) + prop_value = make_string (tmp_data, size); + else + prop_value = x_property_data_to_lisp (f, + tmp_data, + actual_type, + actual_format, + actual_size); + } - XFree (tmp_data); + if (tmp_data) XFree (tmp_data); } UNBLOCK_INPUT; + UNGCPRO; return prop_value; } @@ -9388,6 +4443,14 @@ static Lisp_Object Vhourglass_delay; static void show_hourglass P_ ((struct atimer *)); static void hide_hourglass P_ ((void)); +/* Return non-zero if houglass timer has been started or hourglass is shown. */ + +int +hourglass_started () +{ + return hourglass_shown_p || hourglass_atimer != NULL; +} + /* Cancel a currently active hourglass timer, and start a new one. */ @@ -9397,6 +4460,10 @@ start_hourglass () EMACS_TIME delay; int secs, usecs = 0; + /* Don't bother for ttys. */ + if (NILP (Vwindow_system)) + return; + cancel_hourglass (); if (INTEGERP (Vhourglass_delay) @@ -9479,11 +4546,15 @@ show_hourglass (timer) { unsigned long mask = CWCursor; XSetWindowAttributes attrs; - +#ifdef USE_GTK + Window parent = FRAME_X_WINDOW (f); +#else + Window parent = FRAME_OUTER_WINDOW (f); +#endif attrs.cursor = f->output_data.x->hourglass_cursor; f->output_data.x->hourglass_window - = XCreateWindow (dpy, FRAME_OUTER_WINDOW (f), + = XCreateWindow (dpy, parent, 0, 0, 32000, 32000, 0, 0, InputOnly, CopyFromParent, @@ -9611,9 +4682,7 @@ x_create_tip_frame (dpyinfo, parms, text) check_x (); - /* Use this general default value to start with until we know if - this frame has a specified name. */ - Vx_resource_name = Vinvocation_name; + parms = Fcopy_alist (parms); #ifdef MULTI_KBOARD kb = dpyinfo->kboard; @@ -9627,7 +4696,6 @@ x_create_tip_frame (dpyinfo, parms, text) && !EQ (name, Qunbound) && !NILP (name)) error ("Invalid frame name--not a string or nil"); - Vx_resource_name = name; frame = Qnil; GCPRO3 (parms, name, frame); @@ -9639,6 +4707,8 @@ x_create_tip_frame (dpyinfo, parms, text) old_buffer = current_buffer; set_buffer_internal_1 (XBUFFER (buffer)); current_buffer->truncate_lines = Qnil; + specbind (Qinhibit_read_only, Qt); + specbind (Qinhibit_modification_hooks, Qt); Ferase_buffer (); Finsert (1, &text); set_buffer_internal_1 (old_buffer); @@ -9928,16 +4998,22 @@ compute_tip_xy (f, parms, dx, dy, width, height, root_x, root_y) if (INTEGERP (top)) *root_y = XINT (top); - else if (*root_y + XINT (dy) - height < 0) - *root_y -= XINT (dy); - else - { - *root_y -= height; + else if (*root_y + XINT (dy) <= 0) + *root_y = 0; /* Can happen for negative dy */ + else if (*root_y + XINT (dy) + height <= FRAME_X_DISPLAY_INFO (f)->height) + /* It fits below the pointer */ *root_y += XINT (dy); - } + else if (height + XINT (dy) <= *root_y) + /* It fits above the pointer. */ + *root_y -= height + XINT (dy); + else + /* Put it on the top. */ + *root_y = 0; if (INTEGERP (left)) *root_x = XINT (left); + else if (*root_x + XINT (dx) <= 0) + *root_x = 0; /* Can happen for negative dx */ else if (*root_x + XINT (dx) + width <= FRAME_X_DISPLAY_INFO (f)->width) /* It fits to the right of the pointer. */ *root_x += XINT (dx); @@ -10094,7 +5170,7 @@ Text larger than the specified size is clipped. */) clear_glyph_matrix (w->desired_matrix); clear_glyph_matrix (w->current_matrix); SET_TEXT_POS (pos, BEGV, BEGV_BYTE); - try_window (FRAME_ROOT_WINDOW (f), pos); + try_window (FRAME_ROOT_WINDOW (f), pos, 0); /* Compute width and height of the tooltip. */ width = height = 0; @@ -10218,8 +5294,27 @@ Value is t if tooltip was open, nil otherwise. */) File selection dialog ***********************************************************************/ -#ifdef USE_MOTIF +DEFUN ("x-uses-old-gtk-dialog", Fx_uses_old_gtk_dialog, + Sx_uses_old_gtk_dialog, + 0, 0, 0, + doc: /* Return t if the old Gtk+ file selection dialog is used. */) + () +{ +#ifdef USE_GTK + extern int use_dialog_box; + extern int use_file_dialog; + + if (use_dialog_box + && use_file_dialog + && have_menus_p () + && xg_uses_old_file_dialog ()) + return Qt; +#endif + return Qnil; +} + +#ifdef USE_MOTIF /* Callback for "OK" and "Cancel" on file selection dialog. */ static void @@ -10247,28 +5342,51 @@ file_dialog_unmap_cb (widget, client_data, call_data) *result = XmCR_CANCEL; } +static Lisp_Object +clean_up_file_dialog (arg) + Lisp_Object arg; +{ + struct Lisp_Save_Value *p = XSAVE_VALUE (arg); + Widget dialog = (Widget) p->pointer; + + /* Clean up. */ + BLOCK_INPUT; + XtUnmanageChild (dialog); + XtDestroyWidget (dialog); + x_menu_set_in_use (0); + UNBLOCK_INPUT; + + return Qnil; +} + -DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 4, 0, +DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 5, 0, doc: /* Read file name, prompting with PROMPT in directory DIR. -Use a file selection dialog. -Select DEFAULT-FILENAME in the dialog's file selection box, if -specified. Don't let the user enter a file name in the file -selection dialog's entry field, if MUSTMATCH is non-nil. */) - (prompt, dir, default_filename, mustmatch) - Lisp_Object prompt, dir, default_filename, mustmatch; +Use a file selection dialog. Select DEFAULT-FILENAME in the dialog's file +selection box, if specified. If MUSTMATCH is non-nil, the returned file +or directory must exist. ONLY-DIR-P is ignored." */) + (prompt, dir, default_filename, mustmatch, only_dir_p) + Lisp_Object prompt, dir, default_filename, mustmatch, only_dir_p; { int result; struct frame *f = SELECTED_FRAME (); Lisp_Object file = Qnil; - Widget dialog, text, list, help; + Lisp_Object decoded_file; + Widget dialog, text, help; Arg al[10]; int ac = 0; extern XtAppContext Xt_app_con; XmString dir_xmstring, pattern_xmstring; int count = SPECPDL_INDEX (); - struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; + struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5, gcpro6; + + check_x (); + + GCPRO6 (prompt, dir, default_filename, mustmatch, only_dir_p, file); + + if (popup_activated ()) + error ("Trying to use a menu from within a menu-entry"); - GCPRO5 (prompt, dir, default_filename, mustmatch, file); CHECK_STRING (prompt); CHECK_STRING (dir); @@ -10301,9 +5419,9 @@ selection dialog's entry field, if MUSTMATCH is non-nil. */) XtAddCallback (dialog, XmNunmapCallback, file_dialog_unmap_cb, (XtPointer) &result); - /* Disable the help button since we can't display help. */ + /* Remove the help button since we can't display help. */ help = XmFileSelectionBoxGetChild (dialog, XmDIALOG_HELP_BUTTON); - XtSetSensitive (help, False); + XtUnmanageChild (help); /* Mark OK button as default. */ XtVaSetValues (XmFileSelectionBoxGetChild (dialog, XmDIALOG_OK_BUTTON), @@ -10325,39 +5443,53 @@ selection dialog's entry field, if MUSTMATCH is non-nil. */) /* Manage the dialog, so that list boxes get filled. */ XtManageChild (dialog); - /* Select DEFAULT_FILENAME in the files list box. DEFAULT_FILENAME - must include the path for this to work. */ - list = XmFileSelectionBoxGetChild (dialog, XmDIALOG_LIST); if (STRINGP (default_filename)) { XmString default_xmstring; - int item_pos; + Widget wtext = XmFileSelectionBoxGetChild (dialog, XmDIALOG_TEXT); + Widget list = XmFileSelectionBoxGetChild (dialog, XmDIALOG_LIST); - default_xmstring - = XmStringCreateLocalized (SDATA (default_filename)); + XmTextPosition last_pos = XmTextFieldGetLastPosition (wtext); + XmTextFieldReplace (wtext, 0, last_pos, + (SDATA (Ffile_name_nondirectory (default_filename)))); - if (!XmListItemExists (list, default_xmstring)) - { - /* Add a new item if DEFAULT_FILENAME is not in the list. */ - XmListAddItem (list, default_xmstring, 0); - item_pos = 0; - } - else - item_pos = XmListItemPos (list, default_xmstring); - XmStringFree (default_xmstring); + /* Select DEFAULT_FILENAME in the files list box. DEFAULT_FILENAME + must include the path for this to work. */ + + default_xmstring = XmStringCreateLocalized (SDATA (default_filename)); + + if (XmListItemExists (list, default_xmstring)) + { + int item_pos = XmListItemPos (list, default_xmstring); + /* Select the item and scroll it into view. */ + XmListSelectPos (list, item_pos, True); + XmListSetPos (list, item_pos); + } - /* Select the item and scroll it into view. */ - XmListSelectPos (list, item_pos, True); - XmListSetPos (list, item_pos); + XmStringFree (default_xmstring); } + record_unwind_protect (clean_up_file_dialog, make_save_value (dialog, 0)); + /* Process events until the user presses Cancel or OK. */ + x_menu_set_in_use (1); result = 0; while (result == 0) { XEvent event; + x_menu_wait_for_event (0); XtAppNextEvent (Xt_app_con, &event); - (void) x_dispatch_event (&event, FRAME_X_DISPLAY (f) ); + if (event.type == KeyPress + && FRAME_X_DISPLAY (f) == event.xkey.display) + { + KeySym keysym = XLookupKeysym (&event.xkey, 0); + + /* Pop down on C-g. */ + if (keysym == XK_g && (event.xkey.state & ControlMask) != 0) + XtUnmanageChild (dialog); + } + + (void) x_dispatch_event (&event, FRAME_X_DISPLAY (f)); } /* Get the result. */ @@ -10375,9 +5507,6 @@ selection dialog's entry field, if MUSTMATCH is non-nil. */) else file = Qnil; - /* Clean up. */ - XtUnmanageChild (dialog); - XtDestroyWidget (dialog); UNBLOCK_INPUT; UNGCPRO; @@ -10385,36 +5514,54 @@ selection dialog's entry field, if MUSTMATCH is non-nil. */) if (NILP (file)) Fsignal (Qquit, Qnil); - return unbind_to (count, file); + decoded_file = DECODE_FILE (file); + + return unbind_to (count, decoded_file); } #endif /* USE_MOTIF */ #ifdef USE_GTK -DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 4, 0, - "Read file name, prompting with PROMPT in directory DIR.\n\ -Use a file selection dialog.\n\ -Select DEFAULT-FILENAME in the dialog's file selection box, if\n\ -specified. Don't let the user enter a file name in the file\n\ -selection dialog's entry field, if MUSTMATCH is non-nil.") - (prompt, dir, default_filename, mustmatch) - Lisp_Object prompt, dir, default_filename, mustmatch; +static Lisp_Object +clean_up_dialog (arg) + Lisp_Object arg; +{ + x_menu_set_in_use (0); + + return Qnil; +} + +DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 5, 0, + doc: /* Read file name, prompting with PROMPT in directory DIR. +Use a file selection dialog. Select DEFAULT-FILENAME in the dialog's file +selection box, if specified. If MUSTMATCH is non-nil, the returned file +or directory must exist. If ONLY-DIR-P is non-nil, the user can only select +directories. */) + (prompt, dir, default_filename, mustmatch, only_dir_p) + Lisp_Object prompt, dir, default_filename, mustmatch, only_dir_p; { FRAME_PTR f = SELECTED_FRAME (); char *fn; Lisp_Object file = Qnil; - int count = specpdl_ptr - specpdl; - struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; + Lisp_Object decoded_file; + int count = SPECPDL_INDEX (); + struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5, gcpro6; char *cdef_file; - char *cprompt; - GCPRO5 (prompt, dir, default_filename, mustmatch, file); + check_x (); + + GCPRO6 (prompt, dir, default_filename, mustmatch, only_dir_p, file); + + if (popup_activated ()) + error ("Trying to use a menu from within a menu-entry"); + CHECK_STRING (prompt); CHECK_STRING (dir); /* Prevent redisplay. */ specbind (Qinhibit_redisplay, Qt); + record_unwind_protect (clean_up_dialog, Qnil); BLOCK_INPUT; @@ -10423,7 +5570,9 @@ selection dialog's entry field, if MUSTMATCH is non-nil.") else cdef_file = SDATA (dir); - fn = xg_get_file_name (f, SDATA (prompt), cdef_file, ! NILP (mustmatch)); + fn = xg_get_file_name (f, SDATA (prompt), cdef_file, + ! NILP (mustmatch), + ! NILP (only_dir_p)); if (fn) { @@ -10438,7 +5587,9 @@ selection dialog's entry field, if MUSTMATCH is non-nil.") if (NILP (file)) Fsignal (Qquit, Qnil); - return unbind_to (count, file); + decoded_file = DECODE_FILE (file); + + return unbind_to (count, decoded_file); } #endif /* USE_GTK */ @@ -10458,7 +5609,8 @@ DEFUN ("x-backspace-delete-keys-p", Fx_backspace_delete_keys_p, doc: /* Check if both Backspace and Delete keys are on the keyboard of FRAME. FRAME nil means use the selected frame. Value is t if we know that both keys are present, and are mapped to the -usual X keysyms. */) +usual X keysyms. Value is `lambda' if we cannot determine if both keys are +present and mapped to the usual X keysyms. */) (frame) Lisp_Object frame; { @@ -10477,7 +5629,7 @@ usual X keysyms. */) if (!XkbLibraryVersion (&major, &minor)) { UNBLOCK_INPUT; - return Qnil; + return Qlambda; } /* Check that the server supports XKB. */ @@ -10486,8 +5638,24 @@ usual X keysyms. */) if (!XkbQueryExtension (dpy, &op, &event, &error, &major, &minor)) { UNBLOCK_INPUT; - return Qnil; - } + return Qlambda; + } + + /* In this code we check that the keyboard has physical keys with names + that start with BKSP (Backspace) and DELE (Delete), and that they + generate keysym XK_BackSpace and XK_Delete respectively. + This function is used to test if normal-erase-is-backspace should be + turned on. + An alternative approach would be to just check if XK_BackSpace and + XK_Delete are mapped to any key. But if any of those are mapped to + some non-intuitive key combination (Meta-Shift-Ctrl-whatever) and the + user doesn't know about it, it is better to return false here. + It is more obvious to the user what to do if she/he has two keys + clearly marked with names/symbols and one key does something not + expected (i.e. she/he then tries the other). + The cases where Backspace/Delete is mapped to some other key combination + are rare, and in those cases, normal-erase-is-backspace can be turned on + manually. */ have_keys = Qnil; kb = XkbGetMap (dpy, XkbAllMapComponentsMask, XkbUseCoreKbd); @@ -10525,7 +5693,7 @@ usual X keysyms. */) UNBLOCK_INPUT; return have_keys; #else /* not HAVE_XKBGETKEYBOARD */ - return Qnil; + return Qlambda; #endif /* not HAVE_XKBGETKEYBOARD */ } @@ -10586,8 +5754,6 @@ syms_of_xfns () staticpro (&Qsuppress_icon); Qundefined_color = intern ("undefined-color"); staticpro (&Qundefined_color); - Qcenter = intern ("center"); - staticpro (&Qcenter); Qcompound_text = intern ("compound-text"); staticpro (&Qcompound_text); Qcancel_timer = intern ("cancel-timer"); @@ -10599,36 +5765,11 @@ syms_of_xfns () = Fcons (Fcons (Qdisplay, Qt), Vtext_property_default_nonsticky); - Qlaplace = intern ("laplace"); - staticpro (&Qlaplace); - Qemboss = intern ("emboss"); - staticpro (&Qemboss); - Qedge_detection = intern ("edge-detection"); - staticpro (&Qedge_detection); - Qheuristic = intern ("heuristic"); - staticpro (&Qheuristic); - QCmatrix = intern (":matrix"); - staticpro (&QCmatrix); - QCcolor_adjustment = intern (":color-adjustment"); - staticpro (&QCcolor_adjustment); - QCmask = intern (":mask"); - staticpro (&QCmask); - Fput (Qundefined_color, Qerror_conditions, Fcons (Qundefined_color, Fcons (Qerror, Qnil))); Fput (Qundefined_color, Qerror_message, build_string ("Undefined color")); - DEFVAR_BOOL ("cross-disabled-images", &cross_disabled_images, - doc: /* Non-nil means always draw a cross over disabled images. -Disabled images are those having an `:conversion disabled' property. -A cross is always drawn on black & white displays. */); - cross_disabled_images = 0; - - DEFVAR_LISP ("x-bitmap-file-path", &Vx_bitmap_file_path, - doc: /* List of directories to search for window system bitmap files. */); - Vx_bitmap_file_path = decode_env_path ((char *) 0, PATH_BITMAPS); - DEFVAR_LISP ("x-pointer-shape", &Vx_pointer_shape, doc: /* The shape of the pointer when over text. Changing the value does not affect existing frames @@ -10707,12 +5848,33 @@ such a font. This is especially effective for such large fonts as Chinese, Japanese, and Korean. */); Vx_pixel_size_width_font_regexp = Qnil; - DEFVAR_LISP ("image-cache-eviction-delay", &Vimage_cache_eviction_delay, - doc: /* Time after which cached images are removed from the cache. -When an image has not been displayed this many seconds, remove it -from the image cache. Value must be an integer or nil with nil -meaning don't clear the cache. */); - Vimage_cache_eviction_delay = make_number (30 * 60); +/* This is not ifdef:ed, so other builds than GTK can customize it. */ + DEFVAR_BOOL ("x-gtk-use-old-file-dialog", &x_gtk_use_old_file_dialog, + doc: /* *Non-nil means prompt with the old GTK file selection dialog. +If nil or if the file selection dialog is not available, the new GTK file +chooser is used instead. To turn off all file dialogs set the +variable `use-file-dialog'. */); + x_gtk_use_old_file_dialog = 0; + + DEFVAR_BOOL ("x-gtk-show-hidden-files", &x_gtk_show_hidden_files, + doc: /* *If non-nil, the GTK file chooser will by default show hidden files. +Note that this is just the default, there is a toggle button on the file +chooser to show or not show hidden files on a case by case basis. */); + x_gtk_show_hidden_files = 0; + + DEFVAR_BOOL ("x-gtk-file-dialog-help-text", &x_gtk_file_dialog_help_text, + doc: /* *If non-nil, the GTK file chooser will show additional help text. +If more space for files in the file chooser dialog is wanted, set this to nil +to turn the additional text off. */); + x_gtk_file_dialog_help_text = 1; + + DEFVAR_BOOL ("x-gtk-whole-detached-tool-bar", &x_gtk_whole_detached_tool_bar, + doc: /* *If non-nil, a detached tool bar is shown in full. +The default is to just show an arrow and pressing on that arrow shows +the tool bar buttons. */); + x_gtk_whole_detached_tool_bar = 0; + + Fprovide (intern ("x"), Qnil); #ifdef USE_X_TOOLKIT Fprovide (intern ("x-toolkit"), Qnil); @@ -10725,6 +5887,24 @@ meaning don't clear the cache. */); #endif /* USE_MOTIF */ #endif /* USE_X_TOOLKIT */ +#ifdef USE_GTK + /* Provide x-toolkit also for GTK. Internally GTK does not use Xt so it + is not an X toolkit in that sense (USE_X_TOOLKIT is not defined). + But for a user it is a toolkit for X, and indeed, configure + accepts --with-x-toolkit=gtk. */ + Fprovide (intern ("x-toolkit"), Qnil); + Fprovide (intern ("gtk"), Qnil); + + DEFVAR_LISP ("gtk-version-string", &Vgtk_version_string, + doc: /* Version info for GTK+. */); + { + char gtk_version[40]; + g_snprintf (gtk_version, sizeof (gtk_version), "%u.%u.%u", + GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION); + Vgtk_version_string = build_string (gtk_version); + } +#endif /* USE_GTK */ + /* X window properties. */ defsubr (&Sx_change_window_property); defsubr (&Sx_delete_window_property); @@ -10769,65 +5949,6 @@ meaning don't clear the cache. */); set_frame_fontset_func = x_set_font; check_window_system_func = check_x; - /* Images. */ - Qxbm = intern ("xbm"); - staticpro (&Qxbm); - QCconversion = intern (":conversion"); - staticpro (&QCconversion); - QCheuristic_mask = intern (":heuristic-mask"); - staticpro (&QCheuristic_mask); - QCcolor_symbols = intern (":color-symbols"); - staticpro (&QCcolor_symbols); - QCascent = intern (":ascent"); - staticpro (&QCascent); - QCmargin = intern (":margin"); - staticpro (&QCmargin); - QCrelief = intern (":relief"); - staticpro (&QCrelief); - Qpostscript = intern ("postscript"); - staticpro (&Qpostscript); - QCloader = intern (":loader"); - staticpro (&QCloader); - QCbounding_box = intern (":bounding-box"); - staticpro (&QCbounding_box); - QCpt_width = intern (":pt-width"); - staticpro (&QCpt_width); - QCpt_height = intern (":pt-height"); - staticpro (&QCpt_height); - QCindex = intern (":index"); - staticpro (&QCindex); - Qpbm = intern ("pbm"); - staticpro (&Qpbm); - -#if HAVE_XPM - Qxpm = intern ("xpm"); - staticpro (&Qxpm); -#endif - -#if HAVE_JPEG - Qjpeg = intern ("jpeg"); - staticpro (&Qjpeg); -#endif - -#if HAVE_TIFF - Qtiff = intern ("tiff"); - staticpro (&Qtiff); -#endif - -#if HAVE_GIF - Qgif = intern ("gif"); - staticpro (&Qgif); -#endif - -#if HAVE_PNG - Qpng = intern ("png"); - staticpro (&Qpng); -#endif - - defsubr (&Sclear_image_cache); - defsubr (&Simage_size); - defsubr (&Simage_mask_p); - hourglass_atimer = NULL; hourglass_shown_p = 0; @@ -10841,41 +5962,13 @@ meaning don't clear the cache. */); last_show_tip_args = Qnil; staticpro (&last_show_tip_args); -#ifdef USE_MOTIF + defsubr (&Sx_uses_old_gtk_dialog); +#if defined (USE_MOTIF) || defined (USE_GTK) defsubr (&Sx_file_dialog); #endif } - -void -init_xfns () -{ - image_types = NULL; - Vimage_types = Qnil; - - define_image_type (&xbm_type); - define_image_type (&gs_type); - define_image_type (&pbm_type); - -#if HAVE_XPM - define_image_type (&xpm_type); -#endif - -#if HAVE_JPEG - define_image_type (&jpeg_type); -#endif - -#if HAVE_TIFF - define_image_type (&tiff_type); -#endif - -#if HAVE_GIF - define_image_type (&gif_type); -#endif - -#if HAVE_PNG - define_image_type (&png_type); -#endif -} - #endif /* HAVE_X_WINDOWS */ + +/* arch-tag: 55040d02-5485-4d58-8b22-95a7a05f3288 + (do not change this comment) */