/* MS-DOS specific C utilities. -*- coding: raw-text -*-
- Copyright (C) 1993, 94, 95, 96, 97, 1999, 2000, 2001
+ Copyright (C) 1993, 94, 95, 96, 97, 1999, 2000, 01, 2003
Free Software Foundation, Inc.
This file is part of GNU Emacs.
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. */
/* Contributed by Morten Welinder */
/* New display, keyboard, and mouse control by Kim F. Storm */
#include <unistd.h> /* for chdir, dup, dup2, etc. */
#include <dir.h> /* for getdisk */
#if __DJGPP__ >= 2
+#pragma pack(0) /* dir.h does a pack(4), which isn't GCC's default */
#include <fcntl.h>
#include <io.h> /* for setmode */
#include <dpmi.h> /* for __dpmi_xxx stuff */
#include "commands.h"
#include "blockinput.h"
#include "keyboard.h"
+#include "intervals.h"
#include <go32.h>
#include <pc.h>
#include <ctype.h>
/* A flag to control how to display unibyte 8-bit characters. */
extern int unibyte_display_via_language_environment;
-Lisp_Object Qbar, Qhbar;
+extern Lisp_Object Qcursor_type;
+extern Lisp_Object Qbar, Qhbar;
-/* The screen colors of the curent frame, which serve as the default
+/* The screen colors of the current frame, which serve as the default
colors for newly-created frames. */
static int initial_screen_colors[2];
if (f && f != SELECTED_FRAME())
return;
+ if (termscript)
+ fprintf (termscript, "\nCURSOR SHAPE=(%d,%d)", start_line, width);
+
/* The character cell size in scan lines is stored at 40:85 in the
BIOS data area. */
max_line = _farpeekw (_dos_ds, 0x485) - 1;
}
}
else
- /* Treat anything unknown as "box cursor". This includes nil, so
- that a frame which doesn't specify a cursor type gets a box,
- which is the default in Emacs. */
- msdos_set_cursor_shape (f, 0, BOX_CURSOR_WIDTH);
+ {
+ /* Treat anything unknown as "box cursor". This includes nil, so
+ that a frame which doesn't specify a cursor type gets a box,
+ which is the default in Emacs. */
+ msdos_set_cursor_shape (f, 0, BOX_CURSOR_WIDTH);
+ }
}
static void
IT_write_glyphs (struct glyph *str, int str_len)
{
unsigned char *screen_buf, *screen_bp, *screen_buf_end, *bp;
- int unsupported_face = FAST_GLYPH_FACE (Vdos_unsupported_char_glyph);
- unsigned unsupported_char= FAST_GLYPH_CHAR (Vdos_unsupported_char_glyph);
+ int unsupported_face = 0;
+ unsigned unsupported_char = '\177';
int offset = 2 * (new_pos_X + screen_size_X * new_pos_Y);
register int sl = str_len;
register int tlen = GLYPH_TABLE_LENGTH;
if (str_len <= 0) return;
+ /* Set up the unsupported character glyph */
+ if (!NILP (Vdos_unsupported_char_glyph))
+ {
+ unsupported_char = FAST_GLYPH_CHAR (XINT (Vdos_unsupported_char_glyph));
+ unsupported_face = FAST_GLYPH_FACE (XINT (Vdos_unsupported_char_glyph));
+ }
+
screen_buf = screen_bp = alloca (str_len * 2);
screen_buf_end = screen_buf + str_len * 2;
sf = SELECTED_FRAME();
if (! CHAR_VALID_P (ch, 0))
{
g = !NILP (Vdos_unsupported_char_glyph)
- ? Vdos_unsupported_char_glyph
+ ? XINT (Vdos_unsupported_char_glyph)
: MAKE_GLYPH (sf, '\177', GLYPH_FACE (sf, g));
ch = FAST_GLYPH_CHAR (g);
}
Mouse Highlight (and friends..)
************************************************************************/
-/* If non-nil, dos_rawgetc generates an event to display that string.
- (The display is done in keyboard.c:read_char, by calling
- show_help_echo.) */
-static Lisp_Object help_echo;
-static Lisp_Object previous_help_echo; /* a helper temporary variable */
-
-/* These record the window, the object and the position where the help
- echo string was generated. */
-static Lisp_Object help_echo_window;
-static Lisp_Object help_echo_object;
-static int help_echo_pos;
-
-/* Non-zero means automatically select any window when the mouse
- cursor moves into it. */
-int mouse_autoselect_window;
-
/* Last window where we saw the mouse. Used by mouse-autoselect-window. */
static Lisp_Object last_mouse_window;
row->mouse_face_p = hl > 0;
if (hl > 0)
{
- int vpos = row->y + WINDOW_DISPLAY_TOP_EDGE_PIXEL_Y (w);
- int kstart = start_hpos + WINDOW_DISPLAY_LEFT_EDGE_PIXEL_X (w);
+ int vpos = row->y + WINDOW_TOP_EDGE_Y (w);
+ int kstart = start_hpos + WINDOW_LEFT_EDGE_X (w);
int nglyphs = end_hpos - start_hpos;
int offset = ScreenPrimary + 2*(vpos*screen_size_X + kstart) + 1;
int start_offset = offset;
/* IT_write_glyphs writes at cursor position, so we need to
temporarily move cursor coordinates to the beginning of
the highlight region. */
- new_pos_X = start_hpos + WINDOW_DISPLAY_LEFT_EDGE_PIXEL_X (w);
- new_pos_Y = row->y + WINDOW_DISPLAY_TOP_EDGE_PIXEL_Y (w);
+ new_pos_X = start_hpos + WINDOW_LEFT_EDGE_X (w);
+ new_pos_Y = row->y + WINDOW_TOP_EDGE_Y (w);
if (termscript)
fprintf (termscript, "<MH- %d-%d:%d>",
static void
clear_mouse_face (struct display_info *dpyinfo)
{
- if (! NILP (dpyinfo->mouse_face_window))
+ if (!dpyinfo->mouse_face_hidden && ! NILP (dpyinfo->mouse_face_window))
show_mouse_face (dpyinfo, 0);
dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1;
Lisp_Object help, map;
/* Find the glyph under X. */
- glyph = row->glyphs[TEXT_AREA]
- + x - FRAME_LEFT_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f);
+ glyph = (row->glyphs[TEXT_AREA]
+ + x
+ /* in case someone implements scroll bars some day... */
+ - WINDOW_LEFT_SCROLL_BAR_AREA_WIDTH (w));
end = glyph + row->used[TEXT_AREA];
if (glyph < end
&& STRINGP (glyph->object)
- && XSTRING (glyph->object)->intervals
+ && STRING_INTERVALS (glyph->object)
&& glyph->charpos >= 0
- && glyph->charpos < XSTRING (glyph->object)->size)
+ && glyph->charpos < SCHARS (glyph->object))
{
/* If we're on a string with `help-echo' text property,
arrange for the help to be displayed. This is done by
Qhelp_echo, glyph->object);
if (!NILP (help))
{
- help_echo = help;
+ help_echo_string = help;
XSETWINDOW (help_echo_window, w);
help_echo_object = glyph->object;
help_echo_pos = glyph->charpos;
IT_note_mouse_highlight (struct frame *f, int x, int y)
{
struct display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
- int portion = -1;
+ enum window_part part = ON_NOTHING;
Lisp_Object window;
struct window *w;
}
/* Which window is that in? */
- window = window_from_coordinates (f, x, y, &portion, 0);
+ window = window_from_coordinates (f, x, y, &part, &x, &y, 0);
/* If we were displaying active text in another window, clear that. */
if (! EQ (window, dpyinfo->mouse_face_window))
/* Convert to window-relative coordinates. */
w = XWINDOW (window);
- x -= WINDOW_DISPLAY_LEFT_EDGE_PIXEL_X (w);
- y -= WINDOW_DISPLAY_TOP_EDGE_PIXEL_Y (w);
- if (portion == 1 || portion == 3)
+ if (part == ON_MODE_LINE || part == ON_HEADER_LINE)
{
/* Mouse is on the mode or top line. */
- IT_note_mode_line_highlight (w, x, portion == 1);
+ IT_note_mode_line_highlight (w, x, part == ON_MODE_LINE);
return;
}
- else
- IT_set_mouse_pointer (0);
+
+ IT_set_mouse_pointer (0);
/* Are we in a window whose display is up to date?
And verify the buffer's text has not changed. */
- if (/* Within text portion of the window. */
- portion == 0
+ if (part == ON_TEXT
&& EQ (w->window_end_valid, w->buffer)
&& XFASTINT (w->last_modified) == BUF_MODIFF (XBUFFER (w->buffer))
&& (XFASTINT (w->last_overlay_modified)
{
extern Lisp_Object Qmouse_face;
Lisp_Object mouse_face, overlay, position, *overlay_vec;
- int len, noverlays, obegv, ozv;;
+ int noverlays, obegv, ozv;;
struct buffer *obuf;
/* If we get an out-of-range value, return now; avoid an error. */
/* Is this char mouse-active or does it have help-echo? */
XSETINT (position, pos);
- /* Put all the overlays we want in a vector in overlay_vec.
- Store the length in len. If there are more than 10, make
- enough space for all, and try again. */
- len = 10;
- overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object));
- noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL, 0);
- if (noverlays > len)
- {
- len = noverlays;
- overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object));
- noverlays = overlays_at (pos,
- 0, &overlay_vec, &len, NULL, NULL, 0);
- }
-
+ /* Put all the overlays we want in a vector in overlay_vec. */
+ GET_OVERLAYS_AT (pos, overlay_vec, noverlays, NULL, 0);
/* Sort overlays into increasing priority order. */
noverlays = sort_overlays (overlay_vec, noverlays, w);
dpyinfo->mouse_face_window = window;
dpyinfo->mouse_face_face_id
= face_at_buffer_position (w, pos, 0, 0,
- &ignore, pos + 1, 1);
+ &ignore, pos + 1,
+ !dpyinfo->mouse_face_hidden);
/* Display it as active. */
show_mouse_face (dpyinfo, 1);
dpyinfo->mouse_face_window = window;
dpyinfo->mouse_face_face_id
= face_at_buffer_position (w, pos, 0, 0,
- &ignore, pos + 1, 1);
+ &ignore, pos + 1,
+ !dpyinfo->mouse_face_hidden);
/* Display it as active. */
show_mouse_face (dpyinfo, 1);
if (!NILP (help))
{
- help_echo = help;
+ help_echo_string = help;
help_echo_window = window;
help_echo_object = overlay;
help_echo_pos = pos;
else if (NILP (help)
&& ((STRINGP (glyph->object)
&& glyph->charpos >= 0
- && glyph->charpos < XSTRING (glyph->object)->size)
+ && glyph->charpos < SCHARS (glyph->object))
|| (BUFFERP (glyph->object)
&& glyph->charpos >= BEGV
&& glyph->charpos < ZV)))
Qhelp_echo, glyph->object);
if (!NILP (help))
{
- help_echo = help;
+ help_echo_string = help;
help_echo_window = window;
help_echo_object = glyph->object;
help_echo_pos = glyph->charpos;
static void
IT_display_cursor (int on)
{
+ if (termscript)
+ fprintf (termscript, "\nCURSOR %s", on ? "ON" : "OFF");
if (on && cursor_cleared)
{
ScreenSetCursor (current_pos_Y, current_pos_X);
/* If we are in the echo area, put the cursor at the
end of the echo area message. */
if (!update_cursor_pos
- && XFASTINT (XWINDOW (FRAME_MINIBUF_WINDOW (f))->top) <= new_pos_Y)
+ && WINDOW_TOP_EDGE_LINE (XWINDOW (FRAME_MINIBUF_WINDOW (f))) <= new_pos_Y)
{
int tem_X = current_pos_X, dummy;
FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 0;
}
-Lisp_Object Qcursor_type;
-
static void
IT_frame_up_to_date (struct frame *f)
{
/* If we are creating a new frame, begin with the original screen colors
used for the initial frame. */
- if (alist == Vdefault_frame_alist
+ if (EQ (alist, Vdefault_frame_alist)
&& initial_screen_colors[0] != -1 && initial_screen_colors[1] != -1)
{
FRAME_FOREGROUND_PIXEL (f) = initial_screen_colors[0];
{
x_set_title (f, val);
if (termscript)
- fprintf (termscript, "<TITLE: %s>\n", XSTRING (val)->data);
+ fprintf (termscript, "<TITLE: %s>\n", SDATA (val));
}
else if (EQ (prop, Qcursor_type))
{
if (colors[1] >= 0 && colors[1] < 16)
the_only_x_display.background_pixel = colors[1];
}
- the_only_x_display.line_height = 1;
the_only_x_display.font = (XFontStruct *)1; /* must *not* be zero */
the_only_x_display.display_info.mouse_face_mouse_frame = NULL;
the_only_x_display.display_info.mouse_face_deferred_gc = 0;
struct input_event event;
union REGS regs;
struct display_info *dpyinfo = FRAME_X_DISPLAY_INFO (SELECTED_FRAME());
+ EVENT_INIT (event);
#ifndef HAVE_X_WINDOWS
/* Maybe put the cursor where it should be. */
if (!dpyinfo->mouse_face_hidden && INTEGERP (Vmouse_highlight))
{
- dpyinfo->mouse_face_hidden = 1;
clear_mouse_face (dpyinfo);
+ dpyinfo->mouse_face_hidden = 1;
}
if (code >= 0x100)
/* Generate SELECT_WINDOW_EVENTs when needed. */
if (mouse_autoselect_window)
{
- int mouse_area;
-
mouse_window = window_from_coordinates (SELECTED_FRAME(),
mouse_last_x,
mouse_last_y,
- &mouse_area, 0);
+ 0, 0, 0, 0);
/* A window will be selected only when it is not
selected now, and the last mouse movement event was
not in it. A minibuffer window will be selected iff
else
last_mouse_window = Qnil;
- previous_help_echo = help_echo;
- help_echo = help_echo_object = help_echo_window = Qnil;
+ previous_help_echo_string = help_echo_string;
+ help_echo_string = help_echo_object = help_echo_window = Qnil;
help_echo_pos = -1;
IT_note_mouse_highlight (SELECTED_FRAME(),
mouse_last_x, mouse_last_y);
/* If the contents of the global variable help_echo has
changed, generate a HELP_EVENT. */
- if (!NILP (help_echo) || !NILP (previous_help_echo))
+ if (!NILP (help_echo_string) || !NILP (previous_help_echo_string))
{
event.kind = HELP_EVENT;
event.frame_or_window = selected_frame;
event.arg = help_echo_object;
event.x = WINDOWP (help_echo_window)
? help_echo_window : selected_frame;
- event.y = help_echo;
+ event.y = help_echo_string;
event.timestamp = event_timestamp ();
event.code = help_echo_pos;
kbd_buffer_store_event (&event);
event.code = button_num;
event.modifiers = dos_get_modifiers (0)
| (press ? down_modifier : up_modifier);
- event.x = x;
- event.y = y;
+ event.x = make_number (x);
+ event.y = make_number (y);
event.frame_or_window = selected_frame;
event.arg = Qnil;
event.timestamp = event_timestamp ();
}
\f
#ifndef HAVE_X_WINDOWS
-/* See xterm.c for more info. */
-void
-pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip)
- FRAME_PTR f;
- register int pix_x, pix_y, *x, *y;
- XRectangle *bounds;
- int noclip;
-{
- if (bounds) abort ();
-
- /* Ignore clipping. */
- *x = pix_x;
- *y = pix_y;
-}
-
-void
-glyph_to_pixel_coords (f, x, y, pix_x, pix_y)
- FRAME_PTR f;
- register int x, y, *pix_x, *pix_y;
-{
- *pix_x = x;
- *pix_y = y;
-}
-\f
/* Simulation of X's menus. Nothing too fancy here -- just make it work
for now.
screensize = screen_size * 2;
faces[0]
= lookup_derived_face (sf, intern ("msdos-menu-passive-face"),
- 0, DEFAULT_FACE_ID);
+ 0, DEFAULT_FACE_ID, 1);
faces[1]
= lookup_derived_face (sf, intern ("msdos-menu-active-face"),
- 0, DEFAULT_FACE_ID);
+ 0, DEFAULT_FACE_ID, 1);
selectface = intern ("msdos-menu-select-face");
faces[2] = lookup_derived_face (sf, selectface,
- 0, faces[0]);
+ 0, faces[0], 1);
faces[3] = lookup_derived_face (sf, selectface,
- 0, faces[1]);
+ 0, faces[1], 1);
/* Make sure the menu title is always displayed with
`msdos-menu-active-face', no matter where the mouse pointer is. */
int
x_pixel_width (struct frame *f)
{
- return FRAME_WIDTH (f);
+ return FRAME_COLS (f);
}
int
x_pixel_height (struct frame *f)
{
- return FRAME_HEIGHT (f);
+ return FRAME_LINES (f);
}
#endif /* !HAVE_X_WINDOWS */
\f
return Qnil;
tem = Fcopy_sequence (filename);
- msdos_downcase_filename (XSTRING (tem)->data);
+ msdos_downcase_filename (SDATA (tem));
return tem;
}
\f
for (i = 0; i < imax ; i++)
{
const char *tmp = tempdirs[i];
+ char buf[FILENAME_MAX];
if (*tmp == '$')
- tmp = getenv (tmp + 1);
+ {
+ int tmp_len;
+
+ tmp = getenv (tmp + 1);
+ if (!tmp)
+ continue;
+
+ /* Some lusers set TMPDIR=e:, probably because some losing
+ programs cannot handle multiple slashes if they use e:/.
+ e: fails in `access' below, so we interpret e: as e:/. */
+ tmp_len = strlen(tmp);
+ if (tmp[tmp_len - 1] != '/' && tmp[tmp_len - 1] != '\\')
+ {
+ strcpy(buf, tmp);
+ buf[tmp_len++] = '/', buf[tmp_len] = 0;
+ tmp = buf;
+ }
+ }
+
/* Note that `access' can lie to us if the directory resides on a
read-only filesystem, like CD-ROM or a write-protected floppy.
The only way to be really sure is to actually create a file and
return result;
}
+void
croak (badfunc)
char *badfunc;
{
/* When time zones are set from Ms-Dos too many C-libraries are playing
tricks with time values. We solve this by defining our own version
of `gettimeofday' bypassing GO32. Our version needs to be initialized
- once and after each call to `tzset' with TZ changed. That is
+ once and after each call to `tzset' with TZ changed. That is
accomplished by aliasing tzset to init_gettimeofday. */
static struct tm time_rec;
typedef void (*sighandler_t)(int);
static sighandler_t prev_handlers[320];
-/* A signal handler which just records that a signal occured
+/* A signal handler which just records that a signal occurred
(it will be raised later, if and when the signal is unblocked). */
static void
sig_suspender (signo)
#else /* not POSIX_SIGNALS */
sigsetmask (x) int x; { return 0; }
-sigblock (mask) int mask; { return 0; }
+sigblock (mask) int mask; { return 0; }
#endif /* not POSIX_SIGNALS */
#endif /* not __DJGPP_MINOR__ < 2 */
/* Only event queue is checked. */
/* We don't have to call timer_check here
- because wait_reading_process_input takes care of that. */
+ because wait_reading_process_output takes care of that. */
int
sys_select (nfds, rfds, wfds, efds, timeout)
int nfds;
{
recent_doskeys = Fmake_vector (make_number (NUM_RECENT_DOSKEYS), Qnil);
staticpro (&recent_doskeys);
+
#ifndef HAVE_X_WINDOWS
- help_echo = Qnil;
- staticpro (&help_echo);
- help_echo_object = Qnil;
- staticpro (&help_echo_object);
- help_echo_window = Qnil;
- staticpro (&help_echo_window);
- previous_help_echo = Qnil;
- staticpro (&previous_help_echo);
- help_echo_pos = -1;
/* The following two are from xfns.c: */
- Qbar = intern ("bar");
- staticpro (&Qbar);
- Qhbar = intern ("hbar");
- staticpro (&Qhbar);
- Qcursor_type = intern ("cursor-type");
- staticpro (&Qcursor_type);
Qreverse = intern ("reverse");
staticpro (&Qreverse);
DEFVAR_LISP ("dos-unsupported-char-glyph", &Vdos_unsupported_char_glyph,
doc: /* *Glyph to display instead of chars not supported by current codepage.
-
This variable is used only by MSDOS terminals. */);
- Vdos_unsupported_char_glyph = '\177';
+ Vdos_unsupported_char_glyph = make_number ('\177');
- DEFVAR_BOOL ("mouse-autoselect-window", &mouse_autoselect_window,
- doc: /* *Non-nil means autoselect window with mouse pointer. */);
- mouse_autoselect_window = 0;
#endif
#ifndef subprocesses
DEFVAR_BOOL ("delete-exited-processes", &delete_exited_processes,
}
#endif /* MSDOS */
+
+/* arch-tag: db404e92-52a5-475f-9eb2-1cb78dd05f30
+ (do not change this comment) */