/* MS-DOS specific C utilities. -*- coding: raw-text -*-
- Copyright (C) 1993, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
+ 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 <string.h> /* for bzero and string functions */
#include <sys/stat.h> /* for _fixpath */
#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 "window.h"
#include "buffer.h"
#include "commands.h"
+#include "blockinput.h"
+#include "keyboard.h"
+#include "intervals.h"
#include <go32.h>
#include <pc.h>
#include <ctype.h>
{
struct time t;
unsigned long s;
-
+
gettime (&t);
s = t.ti_min;
s *= 60;
s += t.ti_sec;
s *= 1000;
s += t.ti_hund * 10;
-
+
return s;
}
* Mouse buttons are numbered from left to right and also zero based.
*/
+/* This used to be in termhooks.h, but mainstream Emacs code no longer
+ uses it, and it was removed... */
+#define NUM_MOUSE_BUTTONS (5)
+
int have_mouse; /* 0: no, 1: enabled, -1: disabled */
static int mouse_visible;
}
}
+static void
+mouse_setup_buttons (int n_buttons)
+{
+ if (n_buttons == 3)
+ {
+ mouse_button_count = 3;
+ mouse_button_translate[0] = 0; /* Left */
+ mouse_button_translate[1] = 2; /* Middle */
+ mouse_button_translate[2] = 1; /* Right */
+ }
+ else /* two, what else? */
+ {
+ mouse_button_count = 2;
+ mouse_button_translate[0] = 0;
+ mouse_button_translate[1] = 1;
+ }
+}
+
+DEFUN ("msdos-set-mouse-buttons", Fmsdos_set_mouse_buttons, Smsdos_set_mouse_buttons,
+ 1, 1, "NSet number of mouse buttons to: ",
+ doc: /* Set the number of mouse buttons to use by Emacs.
+This is useful with mice that report the number of buttons inconsistently,
+e.g., if the number of buttons is reported as 3, but Emacs only sees 2 of
+them. This happens with wheeled mice on Windows 9X, for example. */)
+ (nbuttons)
+ Lisp_Object nbuttons;
+{
+ int n;
+
+ CHECK_NUMBER (nbuttons);
+ n = XINT (nbuttons);
+ if (n < 2 || n > 3)
+ Fsignal (Qargs_out_of_range,
+ Fcons (build_string ("only 2 or 3 mouse buttons are supported"),
+ Fcons (nbuttons, Qnil)));
+ mouse_setup_buttons (n);
+ return Qnil;
+}
+
static void
mouse_get_xy (int *x, int *y)
{
FOR_EACH_FRAME (tail, frame)
XFRAME (frame)->mouse_moved = 0;
- *f = selected_frame;
+ *f = SELECTED_FRAME();
*bar_window = Qnil;
mouse_get_xy (&ix, &iy);
*time = event_timestamp ();
int x, y;
mouse_get_xy (&x, &y);
- selected_frame->mouse_moved |= (x != mouse_last_x || y != mouse_last_y);
+ SELECTED_FRAME()->mouse_moved |= (x != mouse_last_x || y != mouse_last_y);
mouse_last_x = x;
mouse_last_y = y;
}
+/* Force the mouse driver to ``forget'' about any button clicks until
+ now. */
+static void
+mouse_clear_clicks (void)
+{
+ int b;
+
+ for (b = 0; b < mouse_button_count; b++)
+ {
+ int dummy_x, dummy_y;
+
+ (void) mouse_pressed (b, &dummy_x, &dummy_y);
+ (void) mouse_released (b, &dummy_x, &dummy_y);
+ }
+}
+
void
mouse_init ()
{
union REGS regs;
- int b;
if (termscript)
fprintf (termscript, "<M_INIT>");
doesn't do that automatically when function 21h is called, which
causes Emacs to ``remember'' the click that switched focus to the
window just before Emacs was started from that window. */
- for (b = 0; b < mouse_button_count; b++)
- {
- int dummy_x, dummy_y;
-
- (void) mouse_pressed (b, &dummy_x, &dummy_y);
- (void) mouse_released (b, &dummy_x, &dummy_y);
- }
+ mouse_clear_clicks ();
regs.x.ax = 0x0007;
regs.x.cx = 0;
#ifndef HAVE_X_WINDOWS
extern unsigned char ScreenAttrib;
static int screen_face;
-static int highlight;
static int screen_size_X;
static int screen_size_Y;
static int term_setup_done;
+static unsigned short outside_cursor;
+
/* Similar to the_only_frame. */
struct x_output the_only_x_display;
-/* This is never dereferenced. */
-Display *x_current_display;
-
/* Support for DOS/V (allows Japanese characters to be displayed on
standard, non-Japanese, ATs). Only supported for DJGPP v2 and later. */
/* A flag to control how to display unibyte 8-bit characters. */
extern int unibyte_display_via_language_environment;
+extern Lisp_Object Qcursor_type;
+extern Lisp_Object Qbar, Qhbar;
+
+/* The screen colors of the current frame, which serve as the default
+ colors for newly-created frames. */
+static int initial_screen_colors[2];
+
#if __DJGPP__ > 1
/* Update the screen from a part of relocated DOS/V screen buffer which
begins at OFFSET and includes COUNT characters. */
{
__dpmi_regs regs;
- if (offset < 0 || count < 0) /* paranoia; illegal values crash DOS/V */
+ if (offset < 0 || count < 0) /* paranoia; invalid values crash DOS/V */
return;
regs.h.ah = 0xff; /* update relocated screen */
static void
dos_direct_output (y, x, buf, len)
- int y;
- int x;
+ int x, y;
char *buf;
int len;
{
unsigned char xorattr;
{
asm volatile
- (" movb $1,%%dl
-visible_bell_0:
- movl _ScreenPrimary,%%eax
- call dosmemsetup
- movl %%eax,%%ebx
- movl %1,%%ecx
- movb %0,%%al
- incl %%ebx
-visible_bell_1:
- xorb %%al,%%gs:(%%ebx)
- addl $2,%%ebx
- decl %%ecx
- jne visible_bell_1
- decb %%dl
- jne visible_bell_3
-visible_bell_2:
- movzwl %%ax,%%eax
- movzwl %%ax,%%eax
- movzwl %%ax,%%eax
- movzwl %%ax,%%eax
- decw %%cx
- jne visible_bell_2
- jmp visible_bell_0
+ (" movb $1,%%dl \n\
+visible_bell_0: \n\
+ movl _ScreenPrimary,%%eax \n\
+ call dosmemsetup \n\
+ movl %%eax,%%ebx \n\
+ movl %1,%%ecx \n\
+ movb %0,%%al \n\
+ incl %%ebx \n\
+visible_bell_1: \n\
+ xorb %%al,%%gs:(%%ebx) \n\
+ addl $2,%%ebx \n\
+ decl %%ecx \n\
+ jne visible_bell_1 \n\
+ decb %%dl \n\
+ jne visible_bell_3 \n\
+visible_bell_2: \n\
+ movzwl %%ax,%%eax \n\
+ movzwl %%ax,%%eax \n\
+ movzwl %%ax,%%eax \n\
+ movzwl %%ax,%%eax \n\
+ decw %%cx \n\
+ jne visible_bell_2 \n\
+ jmp visible_bell_0 \n\
visible_bell_3:"
: /* no output */
: "m" (xorattr), "g" (screen_size)
}
}
+/* Return non-zero if the system has a VGA adapter. */
+static int
+vga_installed (void)
+{
+ union REGS regs;
+
+ regs.x.ax = 0x1a00;
+ int86 (0x10, ®s, ®s);
+ if (regs.h.al == 0x1a && regs.h.bl > 5 && regs.h.bl < 13)
+ return 1;
+ return 0;
+}
+
/* Set the screen dimensions so that it can show no less than
ROWS x COLS frame. */
int *rows, *cols;
{
char video_name[30];
- Lisp_Object video_mode;
- int video_mode_value;
- int have_vga = 0;
union REGS regs;
+ Lisp_Object video_mode;
+ int video_mode_value, have_vga = 0;
int current_rows = ScreenRows (), current_cols = ScreenCols ();
if (*rows == current_rows && *cols == current_cols)
return;
- /* Do we have a VGA? */
- regs.x.ax = 0x1a00;
- int86 (0x10, ®s, ®s);
- if (regs.h.al == 0x1a && regs.h.bl > 5 && regs.h.bl < 13)
- have_vga = 1;
-
mouse_off ();
+ have_vga = vga_installed ();
/* If the user specified a special video mode for these dimensions,
use that mode. */
else
{
static struct {
- int rows;
- int need_vga;
+ int rows, need_vga;
} std_dimension[] = {
{25, 0},
{28, 1},
*rows = ScreenRows ();
*cols = ScreenCols ();
+ /* Update Emacs' notion of screen dimensions. */
+ screen_size_X = *cols;
+ screen_size_Y = *rows;
+ screen_size = *cols * *rows;
+
+#if __DJGPP__ > 1
+ /* If the dimensions changed, the mouse highlight info is invalid. */
+ if (current_rows != *rows || current_cols != *cols)
+ {
+ struct frame *f = SELECTED_FRAME();
+ struct display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
+ Lisp_Object window = dpyinfo->mouse_face_window;
+
+ if (! NILP (window) && XFRAME (XWINDOW (window)->frame) == f)
+ {
+ dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1;
+ dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1;
+ dpyinfo->mouse_face_window = Qnil;
+ }
+ }
+#endif
+
/* Enable bright background colors. */
bright_bg ();
mouse_off_maybe ()
{
int x, y;
-
+
if (!mouse_visible)
return;
-
+
mouse_get_xy (&x, &y);
if (y != new_pos_Y || x < new_pos_X)
return;
-
+
mouse_off ();
}
+#define DEFAULT_CURSOR_START (-1)
+#define DEFAULT_CURSOR_WIDTH (-1)
+#define BOX_CURSOR_WIDTH (-32)
+
+/* Set cursor to begin at scan line START_LINE in the character cell
+ and extend for WIDTH scan lines. Scan lines are counted from top
+ of the character cell, starting from zero. */
+static void
+msdos_set_cursor_shape (struct frame *f, int start_line, int width)
+{
+#if __DJGPP__ > 1
+ unsigned desired_cursor;
+ __dpmi_regs regs;
+ int max_line, top_line, bot_line;
+
+ /* Avoid the costly BIOS call if F isn't the currently selected
+ frame. Allow for NULL as unconditionally meaning the selected
+ frame. */
+ 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;
+ switch (max_line)
+ {
+ default: /* this relies on CGA cursor emulation being ON! */
+ case 7:
+ bot_line = 7;
+ break;
+ case 9:
+ bot_line = 9;
+ break;
+ case 13:
+ bot_line = 12;
+ break;
+ case 15:
+ bot_line = 14;
+ break;
+ }
+
+ if (width < 0)
+ {
+ if (width == BOX_CURSOR_WIDTH)
+ {
+ top_line = 0;
+ bot_line = max_line;
+ }
+ else if (start_line != DEFAULT_CURSOR_START)
+ {
+ top_line = start_line;
+ bot_line = top_line - width - 1;
+ }
+ else if (width != DEFAULT_CURSOR_WIDTH)
+ {
+ top_line = 0;
+ bot_line = -1 - width;
+ }
+ else
+ top_line = bot_line + 1;
+ }
+ else if (width == 0)
+ {
+ /* [31, 0] seems to DTRT for all screen sizes. */
+ top_line = 31;
+ bot_line = 0;
+ }
+ else /* WIDTH is positive */
+ {
+ if (start_line != DEFAULT_CURSOR_START)
+ bot_line = start_line;
+ top_line = bot_line - (width - 1);
+ }
+
+ /* If the current cursor shape is already what they want, we are
+ history here. */
+ desired_cursor = ((top_line & 0x1f) << 8) | (bot_line & 0x1f);
+ if (desired_cursor == _farpeekw (_dos_ds, 0x460))
+ return;
+
+ regs.h.ah = 1;
+ regs.x.cx = desired_cursor;
+ __dpmi_int (0x10, ®s);
+#endif /* __DJGPP__ > 1 */
+}
+
+static void
+IT_set_cursor_type (struct frame *f, Lisp_Object cursor_type)
+{
+ if (EQ (cursor_type, Qbar) || EQ (cursor_type, Qhbar))
+ {
+ /* Just BAR means the normal EGA/VGA cursor. */
+ msdos_set_cursor_shape (f, DEFAULT_CURSOR_START, DEFAULT_CURSOR_WIDTH);
+ }
+ else if (CONSP (cursor_type)
+ && (EQ (XCAR (cursor_type), Qbar)
+ || EQ (XCAR (cursor_type), Qhbar)))
+ {
+ Lisp_Object bar_parms = XCDR (cursor_type);
+ int width;
+
+ if (INTEGERP (bar_parms))
+ {
+ /* Feature: negative WIDTH means cursor at the top
+ of the character cell, zero means invisible cursor. */
+ width = XINT (bar_parms);
+ msdos_set_cursor_shape (f, width >= 0 ? DEFAULT_CURSOR_START : 0,
+ width);
+ }
+ else if (CONSP (bar_parms)
+ && INTEGERP (XCAR (bar_parms))
+ && INTEGERP (XCDR (bar_parms)))
+ {
+ int start_line = XINT (XCDR (bar_parms));
+
+ width = XINT (XCAR (bar_parms));
+ msdos_set_cursor_shape (f, start_line, width);
+ }
+ }
+ 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);
+ }
+}
+
static void
IT_ring_bell (void)
{
static void
IT_set_face (int face)
{
- struct face *fp = FACE_FROM_ID (selected_frame, face);
- unsigned long fg, bg;
+ struct frame *sf = SELECTED_FRAME();
+ struct face *fp = FACE_FROM_ID (sf, face);
+ struct face *dfp = FACE_FROM_ID (sf, DEFAULT_FACE_ID);
+ unsigned long fg, bg, dflt_fg, dflt_bg;
if (!fp)
{
- fp = FACE_FROM_ID (selected_frame, DEFAULT_FACE_ID);
+ fp = dfp;
/* The default face for the frame should always be realized and
cached. */
if (!fp)
screen_face = face;
fg = fp->foreground;
bg = fp->background;
+ dflt_fg = dfp->foreground;
+ dflt_bg = dfp->background;
+
+ /* Don't use invalid colors. In particular, FACE_TTY_DEFAULT_* colors
+ mean use the colors of the default face. Note that we assume all
+ 16 colors to be available for the background, since Emacs switches
+ on this mode (and loses the blinking attribute) at startup. */
+ if (fg == FACE_TTY_DEFAULT_COLOR || fg == FACE_TTY_DEFAULT_FG_COLOR)
+ fg = FRAME_FOREGROUND_PIXEL (sf);
+ else if (fg == FACE_TTY_DEFAULT_BG_COLOR)
+ fg = FRAME_BACKGROUND_PIXEL (sf);
+ if (bg == FACE_TTY_DEFAULT_COLOR || bg == FACE_TTY_DEFAULT_BG_COLOR)
+ bg = FRAME_BACKGROUND_PIXEL (sf);
+ else if (bg == FACE_TTY_DEFAULT_FG_COLOR)
+ bg = FRAME_FOREGROUND_PIXEL (sf);
+
+ /* Make sure highlighted lines really stand out, come what may. */
+ if (fp->tty_reverse_p && (fg == dflt_fg && bg == dflt_bg))
+ {
+ unsigned long tem = fg;
- /* Don't use invalid colors. In particular, a color of -1 means use
- the colors of the default face, except that if highlight is on,
- invert the foreground and the background. Note that we assume
- all 16 colors to be available for the background, since Emacs
- switches on this mode (and loses the blinking attribute) at
- startup. */
- if (fg == (unsigned long)-1)
- fg = highlight ? FRAME_BACKGROUND_PIXEL (selected_frame)
- : FRAME_FOREGROUND_PIXEL (selected_frame);
- if (bg == (unsigned long)-1)
- bg = highlight ? FRAME_FOREGROUND_PIXEL (selected_frame)
- : FRAME_BACKGROUND_PIXEL (selected_frame);
+ fg = bg;
+ bg = tem;
+ }
+ /* If the user requested inverse video, obey. */
+ if (inverse_video)
+ {
+ unsigned long tem2 = fg;
+
+ fg = bg;
+ bg = tem2;
+ }
if (termscript)
- fprintf (termscript, "<FACE %d%s: %d/%d>",
- face, highlight ? "H" : "", fp->foreground, fp->background);
+ fprintf (termscript, "<FACE %d: %d/%d[FG:%d/BG:%d]>", face,
+ fp->foreground, fp->background, fg, bg);
if (fg >= 0 && fg < 16)
{
ScreenAttrib &= 0xf0;
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;
register Lisp_Object *tbase = GLYPH_TABLE_BASE;
- struct coding_system *coding = (CODING_REQUIRE_ENCODING (&terminal_coding)
- ? &terminal_coding
- : &safe_terminal_coding);
+ /* If terminal_coding does any conversion, use it, otherwise use
+ safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here
+ because it always returns 1 if terminal_coding.src_multibyte is 1. */
+ struct coding_system *coding =
+ (terminal_coding.common_flags & CODING_REQUIRE_ENCODING_MASK
+ ? &terminal_coding
+ : &safe_terminal_coding);
+ struct frame *sf;
/* Do we need to consider conversion of unibyte characters to
multibyte? */
= (NILP (current_buffer->enable_multibyte_characters)
&& unibyte_display_via_language_environment);
- if (str_len == 0) return;
-
+ unsigned char conversion_buffer[256];
+ int conversion_buffer_size = sizeof conversion_buffer;
+
+ 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();
/* Since faces get cached and uncached behind our back, we can't
rely on their indices in the cache being consistent across
face of the frame, before writing glyphs, and let the glyphs
set the right face if it's different from the default. */
IT_set_face (DEFAULT_FACE_ID);
-
+
/* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at
the tail. */
terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK;
while (sl)
{
int cf, chlen, enclen;
- unsigned char workbuf[4], *buf;
+ unsigned char workbuf[MAX_MULTIBYTE_LENGTH], *buf;
unsigned ch;
- register GLYPH g = GLYPH_FROM_CHAR_GLYPH (*str);
-
- /* Find the actual glyph to display by traversing the entire
- aliases chain for this glyph. */
- GLYPH_FOLLOW_ALIASES (tbase, tlen, g);
/* Glyphs with GLYPH_MASK_PADDING bit set are actually there
only for the redisplay code to know how many columns does
}
else
{
+ register GLYPH g = GLYPH_FROM_CHAR_GLYPH (*str);
+ int glyph_not_in_table = 0;
+
+ /* If g is negative, it means we have a multibyte character
+ in *str. That's what GLYPH_FROM_CHAR_GLYPH returns for
+ multibyte characters. */
+ if (g < 0 || g >= tlen)
+ {
+ /* This glyph doesn't have an entry in Vglyph_table. */
+ ch = str->u.ch;
+ glyph_not_in_table = 1;
+ }
+ else
+ {
+ /* This glyph has an entry in Vglyph_table, so process
+ any aliases before testing for simpleness. */
+ GLYPH_FOLLOW_ALIASES (tbase, tlen, g);
+ ch = FAST_GLYPH_CHAR (g);
+ }
+
/* Convert the character code to multibyte, if they
- requested display via language environment. */
- ch = FAST_GLYPH_CHAR (g);
- /* We only want to convert unibyte characters to multibyte
- in unibyte buffers! Otherwise, the 8-bit code might come
- from the display table set up to display foreign characters. */
+ requested display via language environment. We only want
+ to convert unibyte characters to multibyte in unibyte
+ buffers! Otherwise, the 8-bit value in CH came from the
+ display table set up to display foreign characters. */
if (SINGLE_BYTE_CHAR_P (ch) && convert_unibyte_characters
&& (ch >= 0240
|| (ch >= 0200 && !NILP (Vnonascii_translation_table))))
ch = unibyte_char_to_multibyte (ch);
/* Invalid characters are displayed with a special glyph. */
- if (! GLYPH_CHAR_VALID_P (ch))
+ if (! CHAR_VALID_P (ch, 0))
{
g = !NILP (Vdos_unsupported_char_glyph)
- ? Vdos_unsupported_char_glyph
- : MAKE_GLYPH (selected_frame, '\177',
- GLYPH_FACE (selected_frame, g));
+ ? XINT (Vdos_unsupported_char_glyph)
+ : MAKE_GLYPH (sf, '\177', GLYPH_FACE (sf, g));
ch = FAST_GLYPH_CHAR (g);
}
- if (COMPOSITE_CHAR_P (ch))
- {
- /* If CH is a composite character, we can display
- only the first component. */
- g = cmpchar_table[COMPOSITE_CHAR_ID (ch)]->glyph[0],
- ch = GLYPH_CHAR (selected_frame, g);
- cf = FAST_GLYPH_FACE (g);
- }
/* If the face of this glyph is different from the current
screen face, update the screen attribute byte. */
- cf = FAST_GLYPH_FACE (g);
+ cf = str->face_id;
if (cf != screen_face)
IT_set_face (cf); /* handles invalid faces gracefully */
- if (GLYPH_SIMPLE_P (tbase, tlen, g))
- /* We generate the multi-byte form of CH in BUF. */
- chlen = CHAR_STRING (ch, workbuf, buf);
+ if (glyph_not_in_table || GLYPH_SIMPLE_P (tbase, tlen, g))
+ {
+ /* We generate the multi-byte form of CH in WORKBUF. */
+ chlen = CHAR_STRING (ch, workbuf);
+ buf = workbuf;
+ }
else
{
/* We have a string in Vglyph_table. */
}
else
{
+ coding->src_multibyte = 1;
encode_coding (coding, buf, conversion_buffer, chlen,
conversion_buffer_size);
chlen -= coding->consumed;
terminal_coding with Vdos_unsupported_char_glyph. */
if (*conversion_buffer == '?')
{
- char *cbp = conversion_buffer;
+ unsigned char *cbp = conversion_buffer;
while (cbp < conversion_buffer + enclen && *cbp == '?')
*cbp++ = unsupported_char;
encode_coding (coding, "", conversion_buffer, 0, conversion_buffer_size);
if (coding->produced > 0)
{
+ screen_buf = alloca (coding->produced * 2);
for (screen_bp = screen_buf, bp = conversion_buffer;
coding->produced--; bp++)
{
}
}
+/************************************************************************
+ Mouse Highlight (and friends..)
+ ************************************************************************/
+
+/* Last window where we saw the mouse. Used by mouse-autoselect-window. */
+static Lisp_Object last_mouse_window;
+
+static int mouse_preempted = 0; /* non-zero when XMenu gobbles mouse events */
+
+/* Set the mouse pointer shape according to whether it is in the
+ area where the mouse highlight is in effect. */
+static void
+IT_set_mouse_pointer (int mode)
+{
+ /* A no-op for now. DOS text-mode mouse pointer doesn't offer too
+ many possibilities to change its shape, and the available
+ functionality pretty much sucks (e.g., almost every reasonable
+ shape will conceal the character it is on). Since the color of
+ the pointer changes in the highlighted area, it is not clear to
+ me whether anything else is required, anyway. */
+}
+
+/* Display the active region described by mouse_face_*
+ in its mouse-face if HL > 0, in its normal face if HL = 0. */
+static void
+show_mouse_face (struct display_info *dpyinfo, int hl)
+{
+ struct window *w = XWINDOW (dpyinfo->mouse_face_window);
+ struct frame *f = XFRAME (WINDOW_FRAME (w));
+ int i;
+ struct face *fp;
+
+
+ /* If window is in the process of being destroyed, don't bother
+ doing anything. */
+ if (w->current_matrix == NULL)
+ goto set_cursor_shape;
+
+ /* Recognize when we are called to operate on rows that don't exist
+ anymore. This can happen when a window is split. */
+ if (dpyinfo->mouse_face_end_row >= w->current_matrix->nrows)
+ goto set_cursor_shape;
+
+ /* There's no sense to do anything if the mouse face isn't realized. */
+ if (hl > 0)
+ {
+ if (dpyinfo->mouse_face_hidden)
+ goto set_cursor_shape;
+
+ fp = FACE_FROM_ID (SELECTED_FRAME(), dpyinfo->mouse_face_face_id);
+ if (!fp)
+ goto set_cursor_shape;
+ }
+
+ /* Note that mouse_face_beg_row etc. are window relative. */
+ for (i = dpyinfo->mouse_face_beg_row;
+ i <= dpyinfo->mouse_face_end_row;
+ i++)
+ {
+ int start_hpos, end_hpos;
+ struct glyph_row *row = MATRIX_ROW (w->current_matrix, i);
+
+ /* Don't do anything if row doesn't have valid contents. */
+ if (!row->enabled_p)
+ continue;
+
+ /* For all but the first row, the highlight starts at column 0. */
+ if (i == dpyinfo->mouse_face_beg_row)
+ start_hpos = dpyinfo->mouse_face_beg_col;
+ else
+ start_hpos = 0;
+
+ if (i == dpyinfo->mouse_face_end_row)
+ end_hpos = dpyinfo->mouse_face_end_col;
+ else
+ end_hpos = row->used[TEXT_AREA];
+
+ if (end_hpos <= start_hpos)
+ continue;
+ /* Record that some glyphs of this row are displayed in
+ mouse-face. */
+ row->mouse_face_p = hl > 0;
+ if (hl > 0)
+ {
+ 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;
+
+ if (termscript)
+ fprintf (termscript, "\n<MH+ %d-%d:%d>",
+ kstart, kstart + nglyphs - 1, vpos);
+
+ mouse_off ();
+ IT_set_face (dpyinfo->mouse_face_face_id);
+ /* Since we are going to change only the _colors_ of the
+ displayed text, there's no need to go through all the
+ pain of generating and encoding the text from the glyphs.
+ Instead, we simply poke the attribute byte of each
+ affected position in video memory with the colors
+ computed by IT_set_face! */
+ _farsetsel (_dos_ds);
+ while (nglyphs--)
+ {
+ _farnspokeb (offset, ScreenAttrib);
+ offset += 2;
+ }
+ if (screen_virtual_segment)
+ dosv_refresh_virtual_screen (start_offset, end_hpos - start_hpos);
+ mouse_on ();
+ }
+ else
+ {
+ /* We are removing a previously-drawn mouse highlight. The
+ safest way to do so is to redraw the glyphs anew, since
+ all kinds of faces and display tables could have changed
+ behind our back. */
+ int nglyphs = end_hpos - start_hpos;
+ int save_x = new_pos_X, save_y = new_pos_Y;
+
+ if (end_hpos >= row->used[TEXT_AREA])
+ nglyphs = row->used[TEXT_AREA] - start_hpos;
+
+ /* 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_LEFT_EDGE_X (w);
+ new_pos_Y = row->y + WINDOW_TOP_EDGE_Y (w);
+
+ if (termscript)
+ fprintf (termscript, "<MH- %d-%d:%d>",
+ new_pos_X, new_pos_X + nglyphs - 1, new_pos_Y);
+ IT_write_glyphs (row->glyphs[TEXT_AREA] + start_hpos, nglyphs);
+ if (termscript)
+ fputs ("\n", termscript);
+ new_pos_X = save_x;
+ new_pos_Y = save_y;
+ }
+ }
+
+ set_cursor_shape:
+ /* Change the mouse pointer shape. */
+ IT_set_mouse_pointer (hl);
+}
+
+/* Clear out the mouse-highlighted active region.
+ Redraw it un-highlighted first. */
+static void
+clear_mouse_face (struct display_info *dpyinfo)
+{
+ 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;
+ dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1;
+ dpyinfo->mouse_face_window = Qnil;
+}
+
+/* Find the glyph matrix position of buffer position POS in window W.
+ *HPOS and *VPOS are set to the positions found. W's current glyphs
+ must be up to date. If POS is above window start return (0, 0).
+ If POS is after end of W, return end of last line in W. */
+static int
+fast_find_position (struct window *w, int pos, int *hpos, int *vpos)
+{
+ int i, lastcol, line_start_position, maybe_next_line_p = 0;
+ int yb = window_text_bottom_y (w);
+ struct glyph_row *row = MATRIX_ROW (w->current_matrix, 0), *best_row = row;
+
+ while (row->y < yb)
+ {
+ if (row->used[TEXT_AREA])
+ line_start_position = row->glyphs[TEXT_AREA]->charpos;
+ else
+ line_start_position = 0;
+
+ if (line_start_position > pos)
+ break;
+ /* If the position sought is the end of the buffer,
+ don't include the blank lines at the bottom of the window. */
+ else if (line_start_position == pos
+ && pos == BUF_ZV (XBUFFER (w->buffer)))
+ {
+ maybe_next_line_p = 1;
+ break;
+ }
+ else if (line_start_position > 0)
+ best_row = row;
+
+ /* Don't overstep the last matrix row, lest we get into the
+ never-never land... */
+ if (row->y + 1 >= yb)
+ break;
+
+ ++row;
+ }
+
+ /* Find the right column within BEST_ROW. */
+ lastcol = 0;
+ row = best_row;
+ for (i = 0; i < row->used[TEXT_AREA]; i++)
+ {
+ struct glyph *glyph = row->glyphs[TEXT_AREA] + i;
+ int charpos;
+
+ charpos = glyph->charpos;
+ if (charpos == pos)
+ {
+ *hpos = i;
+ *vpos = row->y;
+ return 1;
+ }
+ else if (charpos > pos)
+ break;
+ else if (charpos > 0)
+ lastcol = i;
+ }
+
+ /* If we're looking for the end of the buffer,
+ and we didn't find it in the line we scanned,
+ use the start of the following line. */
+ if (maybe_next_line_p)
+ {
+ ++row;
+ lastcol = 0;
+ }
+
+ *vpos = row->y;
+ *hpos = lastcol + 1;
+ return 0;
+}
+
+/* Take proper action when mouse has moved to the mode or top line of
+ window W, x-position X. MODE_LINE_P non-zero means mouse is on the
+ mode line. X is relative to the start of the text display area of
+ W, so the width of fringes and scroll bars must be subtracted
+ to get a position relative to the start of the mode line. */
+static void
+IT_note_mode_line_highlight (struct window *w, int x, int mode_line_p)
+{
+ struct frame *f = XFRAME (w->frame);
+ struct display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
+ struct glyph_row *row;
+
+ if (mode_line_p)
+ row = MATRIX_MODE_LINE_ROW (w->current_matrix);
+ else
+ row = MATRIX_HEADER_LINE_ROW (w->current_matrix);
+
+ if (row->enabled_p)
+ {
+ extern Lisp_Object Qhelp_echo;
+ struct glyph *glyph, *end;
+ Lisp_Object help, map;
+
+ /* Find the glyph under X. */
+ 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)
+ && STRING_INTERVALS (glyph->object)
+ && glyph->charpos >= 0
+ && 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
+ setting the global variable help_echo to the help string. */
+ help = Fget_text_property (make_number (glyph->charpos),
+ Qhelp_echo, glyph->object);
+ if (!NILP (help))
+ {
+ help_echo_string = help;
+ XSETWINDOW (help_echo_window, w);
+ help_echo_object = glyph->object;
+ help_echo_pos = glyph->charpos;
+ }
+ }
+ }
+}
+
+/* Take proper action when the mouse has moved to position X, Y on
+ frame F as regards highlighting characters that have mouse-face
+ properties. Also de-highlighting chars where the mouse was before.
+ X and Y can be negative or out of range. */
+static void
+IT_note_mouse_highlight (struct frame *f, int x, int y)
+{
+ struct display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
+ enum window_part part = ON_NOTHING;
+ Lisp_Object window;
+ struct window *w;
+
+ /* When a menu is active, don't highlight because this looks odd. */
+ if (mouse_preempted)
+ return;
+
+ if (NILP (Vmouse_highlight)
+ || !f->glyphs_initialized_p)
+ return;
+
+ dpyinfo->mouse_face_mouse_x = x;
+ dpyinfo->mouse_face_mouse_y = y;
+ dpyinfo->mouse_face_mouse_frame = f;
+
+ if (dpyinfo->mouse_face_defer)
+ return;
+
+ if (gc_in_progress)
+ {
+ dpyinfo->mouse_face_deferred_gc = 1;
+ return;
+ }
+
+ /* Which window is that in? */
+ 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))
+ clear_mouse_face (dpyinfo);
+
+ /* Not on a window -> return. */
+ if (!WINDOWP (window))
+ return;
+
+ /* Convert to window-relative coordinates. */
+ w = XWINDOW (window);
+
+ if (part == ON_MODE_LINE || part == ON_HEADER_LINE)
+ {
+ /* Mouse is on the mode or top line. */
+ IT_note_mode_line_highlight (w, x, part == ON_MODE_LINE);
+ return;
+ }
+
+ 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 (part == ON_TEXT
+ && EQ (w->window_end_valid, w->buffer)
+ && XFASTINT (w->last_modified) == BUF_MODIFF (XBUFFER (w->buffer))
+ && (XFASTINT (w->last_overlay_modified)
+ == BUF_OVERLAY_MODIFF (XBUFFER (w->buffer))))
+ {
+ int pos, i, nrows = w->current_matrix->nrows;
+ struct glyph_row *row;
+ struct glyph *glyph;
+
+ /* Find the glyph under X/Y. */
+ glyph = NULL;
+ if (y >= 0 && y < nrows)
+ {
+ row = MATRIX_ROW (w->current_matrix, y);
+ /* Give up if some row before the one we are looking for is
+ not enabled. */
+ for (i = 0; i <= y; i++)
+ if (!MATRIX_ROW (w->current_matrix, i)->enabled_p)
+ break;
+ if (i > y /* all rows upto and including the one at Y are enabled */
+ && row->displays_text_p
+ && x < window_box_width (w, TEXT_AREA))
+ {
+ glyph = row->glyphs[TEXT_AREA];
+ if (x >= row->used[TEXT_AREA])
+ glyph = NULL;
+ else
+ {
+ glyph += x;
+ if (!BUFFERP (glyph->object))
+ glyph = NULL;
+ }
+ }
+ }
+
+ /* Clear mouse face if X/Y not over text. */
+ if (glyph == NULL)
+ {
+ clear_mouse_face (dpyinfo);
+ return;
+ }
+
+ if (!BUFFERP (glyph->object))
+ abort ();
+ pos = glyph->charpos;
+
+ /* Check for mouse-face and help-echo. */
+ {
+ extern Lisp_Object Qmouse_face;
+ Lisp_Object mouse_face, overlay, position, *overlay_vec;
+ int noverlays, obegv, ozv;;
+ struct buffer *obuf;
+
+ /* If we get an out-of-range value, return now; avoid an error. */
+ if (pos > BUF_Z (XBUFFER (w->buffer)))
+ return;
+
+ /* Make the window's buffer temporarily current for
+ overlays_at and compute_char_face. */
+ obuf = current_buffer;
+ current_buffer = XBUFFER (w->buffer);
+ obegv = BEGV;
+ ozv = ZV;
+ BEGV = BEG;
+ ZV = Z;
+
+ /* 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. */
+ GET_OVERLAYS_AT (pos, overlay_vec, noverlays, NULL, 0);
+ /* Sort overlays into increasing priority order. */
+ noverlays = sort_overlays (overlay_vec, noverlays, w);
+
+ /* Check mouse-face highlighting. */
+ if (! (EQ (window, dpyinfo->mouse_face_window)
+ && y >= dpyinfo->mouse_face_beg_row
+ && y <= dpyinfo->mouse_face_end_row
+ && (y > dpyinfo->mouse_face_beg_row
+ || x >= dpyinfo->mouse_face_beg_col)
+ && (y < dpyinfo->mouse_face_end_row
+ || x < dpyinfo->mouse_face_end_col
+ || dpyinfo->mouse_face_past_end)))
+ {
+ /* Clear the display of the old active region, if any. */
+ clear_mouse_face (dpyinfo);
+
+ /* Find highest priority overlay that has a mouse-face prop. */
+ overlay = Qnil;
+ for (i = noverlays - 1; i >= 0; --i)
+ {
+ mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face);
+ if (!NILP (mouse_face))
+ {
+ overlay = overlay_vec[i];
+ break;
+ }
+ }
+
+ /* If no overlay applies, get a text property. */
+ if (NILP (overlay))
+ mouse_face = Fget_text_property (position, Qmouse_face,
+ w->buffer);
+
+ /* Handle the overlay case. */
+ if (! NILP (overlay))
+ {
+ /* Find the range of text around this char that
+ should be active. */
+ Lisp_Object before, after;
+ int ignore;
+
+ before = Foverlay_start (overlay);
+ after = Foverlay_end (overlay);
+ /* Record this as the current active region. */
+ fast_find_position (w, XFASTINT (before),
+ &dpyinfo->mouse_face_beg_col,
+ &dpyinfo->mouse_face_beg_row);
+ dpyinfo->mouse_face_past_end
+ = !fast_find_position (w, XFASTINT (after),
+ &dpyinfo->mouse_face_end_col,
+ &dpyinfo->mouse_face_end_row);
+ dpyinfo->mouse_face_window = window;
+ dpyinfo->mouse_face_face_id
+ = face_at_buffer_position (w, pos, 0, 0,
+ &ignore, pos + 1,
+ !dpyinfo->mouse_face_hidden);
+
+ /* Display it as active. */
+ show_mouse_face (dpyinfo, 1);
+ }
+ /* Handle the text property case. */
+ else if (! NILP (mouse_face))
+ {
+ /* Find the range of text around this char that
+ should be active. */
+ Lisp_Object before, after, beginning, end;
+ int ignore;
+
+ beginning = Fmarker_position (w->start);
+ XSETINT (end, (BUF_Z (XBUFFER (w->buffer))
+ - XFASTINT (w->window_end_pos)));
+ before
+ = Fprevious_single_property_change (make_number (pos + 1),
+ Qmouse_face,
+ w->buffer, beginning);
+ after
+ = Fnext_single_property_change (position, Qmouse_face,
+ w->buffer, end);
+ /* Record this as the current active region. */
+ fast_find_position (w, XFASTINT (before),
+ &dpyinfo->mouse_face_beg_col,
+ &dpyinfo->mouse_face_beg_row);
+ dpyinfo->mouse_face_past_end
+ = !fast_find_position (w, XFASTINT (after),
+ &dpyinfo->mouse_face_end_col,
+ &dpyinfo->mouse_face_end_row);
+ dpyinfo->mouse_face_window = window;
+ dpyinfo->mouse_face_face_id
+ = face_at_buffer_position (w, pos, 0, 0,
+ &ignore, pos + 1,
+ !dpyinfo->mouse_face_hidden);
+
+ /* Display it as active. */
+ show_mouse_face (dpyinfo, 1);
+ }
+ }
+
+ /* Look for a `help-echo' property. */
+ {
+ Lisp_Object help;
+ extern Lisp_Object Qhelp_echo;
+
+ /* Check overlays first. */
+ help = Qnil;
+ for (i = noverlays - 1; i >= 0 && NILP (help); --i)
+ {
+ overlay = overlay_vec[i];
+ help = Foverlay_get (overlay, Qhelp_echo);
+ }
+
+ if (!NILP (help))
+ {
+ help_echo_string = help;
+ help_echo_window = window;
+ help_echo_object = overlay;
+ help_echo_pos = pos;
+ }
+ /* Try text properties. */
+ else if (NILP (help)
+ && ((STRINGP (glyph->object)
+ && glyph->charpos >= 0
+ && glyph->charpos < SCHARS (glyph->object))
+ || (BUFFERP (glyph->object)
+ && glyph->charpos >= BEGV
+ && glyph->charpos < ZV)))
+ {
+ help = Fget_text_property (make_number (glyph->charpos),
+ Qhelp_echo, glyph->object);
+ if (!NILP (help))
+ {
+ help_echo_string = help;
+ help_echo_window = window;
+ help_echo_object = glyph->object;
+ help_echo_pos = glyph->charpos;
+ }
+ }
+ }
+
+ BEGV = obegv;
+ ZV = ozv;
+ current_buffer = obuf;
+ }
+ }
+}
+
static void
IT_clear_end_of_line (int first_unused)
{
char *spaces, *sp;
- int i, j;
- int offset = 2 * (new_pos_X + screen_size_X * new_pos_Y);
+ int i, j, offset = 2 * (new_pos_X + screen_size_X * new_pos_Y);
extern int fatal_error_in_progress;
- if (fatal_error_in_progress)
+ if (new_pos_X >= first_unused || fatal_error_in_progress)
return;
IT_set_face (0);
+ i = (j = first_unused - new_pos_X) * 2;
if (termscript)
- fprintf (termscript, "<CLR:EOL>");
- i = (j = screen_size_X - new_pos_X) * 2;
+ fprintf (termscript, "<CLR:EOL[%d..%d)>", new_pos_X, first_unused);
spaces = sp = alloca (i);
-
+
while (--j >= 0)
{
*sp++ = ' ';
dosmemput (spaces, i, (int)ScreenPrimary + offset);
if (screen_virtual_segment)
dosv_refresh_virtual_screen (offset, i / 2);
+
+ /* clear_end_of_line_raw on term.c leaves the cursor at first_unused.
+ Let's follow their lead, in case someone relies on this. */
+ new_pos_X = first_unused;
}
static void
{
if (termscript)
fprintf (termscript, "<CLR:SCR>");
- IT_set_face (0);
+ /* We are sometimes called (from clear_garbaged_frames) when a new
+ frame is being created, but its faces are not yet realized. In
+ such a case we cannot call IT_set_face, since it will fail to find
+ any valid faces and will abort. Instead, use the initial screen
+ colors; that should mimic what a Unix tty does, which simply clears
+ the screen with whatever default colors are in use. */
+ if (FACE_FROM_ID (SELECTED_FRAME (), DEFAULT_FACE_ID) == NULL)
+ ScreenAttrib = (initial_screen_colors[0] << 4) | initial_screen_colors[1];
+ else
+ IT_set_face (0);
mouse_off ();
ScreenClear ();
if (screen_virtual_segment)
while (new_pos_Y < screen_size_Y) {
new_pos_X = 0;
- IT_clear_end_of_line (0);
+ IT_clear_end_of_line (screen_size_X);
new_pos_Y++;
}
}
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);
{
/* Only set the cursor to where it should be if the display is
already in sync with the window contents. */
- int update_cursor_pos = MODIFF == unchanged_modified;
+ int update_cursor_pos = 1; /* MODIFF == unchanged_modified; */
+
+ /* FIXME: This needs to be rewritten for the new redisplay, or
+ removed. */
+#if 0
static int previous_pos_X = -1;
+ update_cursor_pos = 1; /* temporary!!! */
+
/* If the display is in sync, forget any previous knowledge about
cursor position. This is primarily for unexpected events like
C-g in the minibuffer. */
/* 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;
update_cursor_pos = 1;
}
}
+#endif
if (update_cursor_pos
&& (current_pos_X != new_pos_X || current_pos_Y != new_pos_Y))
}
static void
-IT_reassert_line_highlight (int new, int vpos)
+IT_update_begin (struct frame *f)
{
- highlight = new;
- IT_set_face (0); /* To possibly clear the highlighting. */
-}
+ struct display_info *display_info = FRAME_X_DISPLAY_INFO (f);
+ struct frame *mouse_face_frame = display_info->mouse_face_mouse_frame;
-static void
-IT_change_line_highlight (int new_highlight, int y, int vpos, int first_unused_hpos)
-{
- highlight = new_highlight;
- IT_set_face (0); /* To possibly clear the highlighting. */
- IT_cursor_to (vpos, 0);
- IT_clear_end_of_line (first_unused_hpos);
+ BLOCK_INPUT;
+
+ if (f && f == mouse_face_frame)
+ {
+ /* Don't do highlighting for mouse motion during the update. */
+ display_info->mouse_face_defer = 1;
+
+ /* If F needs to be redrawn, simply forget about any prior mouse
+ highlighting. */
+ if (FRAME_GARBAGED_P (f))
+ display_info->mouse_face_window = Qnil;
+
+ /* Can we tell that this update does not affect the window
+ where the mouse highlight is? If so, no need to turn off.
+ Likewise, don't do anything if none of the enabled rows
+ contains glyphs highlighted in mouse face. */
+ if (!NILP (display_info->mouse_face_window)
+ && WINDOWP (display_info->mouse_face_window))
+ {
+ struct window *w = XWINDOW (display_info->mouse_face_window);
+ int i;
+
+ /* If the mouse highlight is in the window that was deleted
+ (e.g., if it was popped by completion), clear highlight
+ unconditionally. */
+ if (NILP (w->buffer))
+ display_info->mouse_face_window = Qnil;
+ else
+ {
+ for (i = 0; i < w->desired_matrix->nrows; ++i)
+ if (MATRIX_ROW_ENABLED_P (w->desired_matrix, i)
+ && MATRIX_ROW (w->current_matrix, i)->mouse_face_p)
+ break;
+ }
+
+ if (NILP (w->buffer) || i < w->desired_matrix->nrows)
+ clear_mouse_face (display_info);
+ }
+ }
+ else if (mouse_face_frame && !FRAME_LIVE_P (mouse_face_frame))
+ {
+ /* If the frame with mouse highlight was deleted, invalidate the
+ highlight info. */
+ display_info->mouse_face_beg_row = display_info->mouse_face_beg_col = -1;
+ display_info->mouse_face_end_row = display_info->mouse_face_end_col = -1;
+ display_info->mouse_face_window = Qnil;
+ display_info->mouse_face_deferred_gc = 0;
+ display_info->mouse_face_mouse_frame = NULL;
+ }
+
+ UNBLOCK_INPUT;
}
static void
-IT_update_begin (struct frame *foo)
+IT_update_end (struct frame *f)
{
- highlight = 0;
- IT_set_face (0); /* To possibly clear the highlighting. */
- screen_face = -1;
+ FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 0;
}
static void
-IT_update_end (struct frame *foo)
+IT_frame_up_to_date (struct frame *f)
{
+ struct display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
+ Lisp_Object new_cursor, frame_desired_cursor;
+ struct window *sw;
+
+ if (dpyinfo->mouse_face_deferred_gc
+ || (f && f == dpyinfo->mouse_face_mouse_frame))
+ {
+ BLOCK_INPUT;
+ if (dpyinfo->mouse_face_mouse_frame)
+ IT_note_mouse_highlight (dpyinfo->mouse_face_mouse_frame,
+ dpyinfo->mouse_face_mouse_x,
+ dpyinfo->mouse_face_mouse_y);
+ dpyinfo->mouse_face_deferred_gc = 0;
+ UNBLOCK_INPUT;
+ }
+
+ /* Set the cursor type to whatever they wanted. In a minibuffer
+ window, we want the cursor to appear only if we are reading input
+ from this window, and we want the cursor to be taken from the
+ frame parameters. For the selected window, we use either its
+ buffer-local value or the value from the frame parameters if the
+ buffer doesn't define its local value for the cursor type. */
+ sw = XWINDOW (f->selected_window);
+ frame_desired_cursor = Fcdr (Fassq (Qcursor_type, f->param_alist));
+ if (cursor_in_echo_area
+ && FRAME_HAS_MINIBUF_P (f)
+ && EQ (FRAME_MINIBUF_WINDOW (f), echo_area_window)
+ && sw == XWINDOW (echo_area_window))
+ new_cursor = frame_desired_cursor;
+ else
+ {
+ struct buffer *b = XBUFFER (sw->buffer);
+
+ if (EQ (b->cursor_type, Qt))
+ new_cursor = frame_desired_cursor;
+ else if (NILP (b->cursor_type)) /* nil means no cursor */
+ new_cursor = Fcons (Qbar, make_number (0));
+ else
+ new_cursor = b->cursor_type;
+ }
+
+ IT_set_cursor_type (f, new_cursor);
+
+ IT_cmgoto (f); /* position cursor when update is done */
}
/* Copy LEN glyphs displayed on a single line whose vertical position
set_menu_bar_lines (f, value, oldval);
}
-/* This was copied from xfns.c */
+/* This was copied from xfaces.c */
-Lisp_Object Qbackground_color;
-Lisp_Object Qforeground_color;
+extern Lisp_Object Qbackground_color;
+extern Lisp_Object Qforeground_color;
+Lisp_Object Qreverse;
extern Lisp_Object Qtitle;
/* IT_set_terminal_modes is called when emacs is started,
{
if (termscript)
fprintf (termscript, "\n<SET_TERM>");
- highlight = 0;
screen_size_X = ScreenCols ();
screen_size_Y = ScreenRows ();
screen_size = screen_size_X * screen_size_Y;
-
+
new_pos_X = new_pos_Y = 0;
current_pos_X = current_pos_Y = -1;
if (term_setup_done)
return;
term_setup_done = 1;
-
+
startup_screen_size_X = screen_size_X;
startup_screen_size_Y = screen_size_Y;
startup_screen_attrib = ScreenAttrib;
{
int display_row_start = (int) ScreenPrimary;
int saved_row_len = startup_screen_size_X * 2;
- int update_row_len = ScreenCols () * 2;
- int current_rows = ScreenRows ();
+ int update_row_len = ScreenCols () * 2, current_rows = ScreenRows ();
int to_next_row = update_row_len;
unsigned char *saved_row = startup_screen_buffer;
- int cursor_pos_X = ScreenCols () - 1;
- int cursor_pos_Y = ScreenRows () - 1;
+ int cursor_pos_X = ScreenCols () - 1, cursor_pos_Y = ScreenRows () - 1;
if (termscript)
fprintf (termscript, "\n<RESET_TERM>");
- highlight = 0;
-
if (!term_setup_done)
return;
-
+
mouse_off ();
/* Leave the video system in the same state as we found it,
{
}
+/* Remember the screen colors of the curent frame, to serve as the
+ default colors for newly-created frames. */
+DEFUN ("msdos-remember-default-colors", Fmsdos_remember_default_colors,
+ Smsdos_remember_default_colors, 1, 1, 0,
+ doc: /* Remember the screen colors of the current frame. */)
+ (frame)
+ Lisp_Object frame;
+{
+ struct frame *f;
+
+ CHECK_FRAME (frame);
+ f= XFRAME (frame);
+
+ /* This function is called after applying default-frame-alist to the
+ initial frame. At that time, if reverse-colors option was
+ specified in default-frame-alist, it was already applied, and
+ frame colors are reversed. We need to account for that. */
+ if (EQ (Fcdr (Fassq (Qreverse, f->param_alist)), Qt))
+ {
+ initial_screen_colors[0] = FRAME_BACKGROUND_PIXEL (f);
+ initial_screen_colors[1] = FRAME_FOREGROUND_PIXEL (f);
+ }
+ else
+ {
+ initial_screen_colors[0] = FRAME_FOREGROUND_PIXEL (f);
+ initial_screen_colors[1] = FRAME_BACKGROUND_PIXEL (f);
+ }
+}
+
void
IT_set_frame_parameters (f, alist)
struct frame *f;
Lisp_Object alist;
{
Lisp_Object tail;
- int length = XINT (Flength (alist));
- int i;
+ int i, j, length = XINT (Flength (alist));
Lisp_Object *parms
= (Lisp_Object *) alloca (length * sizeof (Lisp_Object));
Lisp_Object *values
= (Lisp_Object *) alloca (length * sizeof (Lisp_Object));
- int redraw;
- struct face *dflt = NULL;
-
- if (FRAME_FACE_CACHE (f))
- dflt = FACE_FROM_ID (f, DEFAULT_FACE_ID);
-
- redraw = 0;
+ /* Do we have to reverse the foreground and background colors? */
+ int reverse = EQ (Fcdr (Fassq (Qreverse, f->param_alist)), Qt);
+ int need_to_reverse, was_reverse = reverse;
+ int redraw = 0, fg_set = 0, bg_set = 0;
+ unsigned long orig_fg, orig_bg;
+ Lisp_Object frame_bg, frame_fg;
+ extern Lisp_Object Qdefault, QCforeground, QCbackground;
+
+ /* If we are creating a new frame, begin with the original screen colors
+ used for the initial frame. */
+ if (EQ (alist, Vdefault_frame_alist)
+ && initial_screen_colors[0] != -1 && initial_screen_colors[1] != -1)
+ {
+ FRAME_FOREGROUND_PIXEL (f) = initial_screen_colors[0];
+ FRAME_BACKGROUND_PIXEL (f) = initial_screen_colors[1];
+ }
+ orig_fg = FRAME_FOREGROUND_PIXEL (f);
+ orig_bg = FRAME_BACKGROUND_PIXEL (f);
+ frame_fg = Fcdr (Fassq (Qforeground_color, f->param_alist));
+ frame_bg = Fcdr (Fassq (Qbackground_color, f->param_alist));
+ /* frame_fg and frame_bg could be nil if, for example,
+ f->param_alist is nil, e.g. if we are called from
+ Fmake_terminal_frame. */
+ if (NILP (frame_fg))
+ frame_fg = build_string (unspecified_fg);
+ if (NILP (frame_bg))
+ frame_bg = build_string (unspecified_bg);
/* Extract parm names and values into those vectors. */
i = 0;
elt = Fcar (tail);
parms[i] = Fcar (elt);
- CHECK_SYMBOL (parms[i], 1);
+ CHECK_SYMBOL (parms[i]);
values[i] = Fcdr (elt);
i++;
}
+ j = i;
+
+ for (i = 0; i < j; i++)
+ {
+ Lisp_Object prop, val;
+
+ prop = parms[i];
+ val = values[i];
+
+ if (EQ (prop, Qreverse))
+ reverse = EQ (val, Qt);
+ }
+
+ need_to_reverse = reverse && !was_reverse;
+ if (termscript && need_to_reverse)
+ fprintf (termscript, "<INVERSE-VIDEO>\n");
- /* Now process them in reverse of specified order. */
+ /* Now process the alist elements in reverse of specified order. */
for (i--; i >= 0; i--)
{
- Lisp_Object prop = parms[i];
- Lisp_Object val = values[i];
+ Lisp_Object prop, val, frame;
+
+ prop = parms[i];
+ val = values[i];
if (EQ (prop, Qforeground_color))
{
- unsigned long new_color = load_color (f, NULL, val,
- LFACE_FOREGROUND_INDEX);
- if (new_color != ~0)
+ unsigned long new_color = load_color (f, NULL, val, need_to_reverse
+ ? LFACE_BACKGROUND_INDEX
+ : LFACE_FOREGROUND_INDEX);
+ if (new_color != FACE_TTY_DEFAULT_COLOR
+ && new_color != FACE_TTY_DEFAULT_FG_COLOR
+ && new_color != FACE_TTY_DEFAULT_BG_COLOR)
{
- if (!dflt)
- abort ();
FRAME_FOREGROUND_PIXEL (f) = new_color;
- dflt->foreground = new_color;
+ /* Make sure the foreground of the default face for this
+ frame is changed as well. */
+ XSETFRAME (frame, f);
+ if (need_to_reverse)
+ {
+ Finternal_set_lisp_face_attribute (Qdefault, QCbackground,
+ val, frame);
+ prop = Qbackground_color;
+ bg_set = 1;
+ }
+ else
+ {
+ Finternal_set_lisp_face_attribute (Qdefault, QCforeground,
+ val, frame);
+ fg_set = 1;
+ }
redraw = 1;
if (termscript)
fprintf (termscript, "<FGCOLOR %lu>\n", new_color);
}
else if (EQ (prop, Qbackground_color))
{
- unsigned long new_color = load_color (f, NULL, val,
- LFACE_BACKGROUND_INDEX);
- if (new_color != ~0)
+ unsigned long new_color = load_color (f, NULL, val, need_to_reverse
+ ? LFACE_FOREGROUND_INDEX
+ : LFACE_BACKGROUND_INDEX);
+ if (new_color != FACE_TTY_DEFAULT_COLOR
+ && new_color != FACE_TTY_DEFAULT_FG_COLOR
+ && new_color != FACE_TTY_DEFAULT_BG_COLOR)
{
- if (!dflt)
- abort ();
FRAME_BACKGROUND_PIXEL (f) = new_color;
- dflt->background = new_color;
+ /* Make sure the background of the default face for this
+ frame is changed as well. */
+ XSETFRAME (frame, f);
+ if (need_to_reverse)
+ {
+ Finternal_set_lisp_face_attribute (Qdefault, QCforeground,
+ val, frame);
+ prop = Qforeground_color;
+ fg_set = 1;
+ }
+ else
+ {
+ Finternal_set_lisp_face_attribute (Qdefault, QCbackground,
+ val, frame);
+ bg_set = 1;
+ }
redraw = 1;
if (termscript)
fprintf (termscript, "<BGCOLOR %lu>\n", new_color);
{
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, intern ("reverse")) && EQ (val, Qt))
+ else if (EQ (prop, Qcursor_type))
{
- unsigned long fg = FRAME_FOREGROUND_PIXEL (f);
-
- if (!dflt)
- abort ();
- FRAME_FOREGROUND_PIXEL (f) = FRAME_BACKGROUND_PIXEL (f); /* FIXME! */
- FRAME_BACKGROUND_PIXEL (f) = fg;
- dflt->foreground = FRAME_FOREGROUND_PIXEL (f);
- dflt->foreground = fg;
+ IT_set_cursor_type (f, val);
if (termscript)
- fprintf (termscript, "<INVERSE-VIDEO>\n");
+ fprintf (termscript, "<CTYPE: %s>\n",
+ EQ (val, Qbar) || EQ (val, Qhbar)
+ || CONSP (val) && (EQ (XCAR (val), Qbar)
+ || EQ (XCAR (val), Qhbar))
+ ? "bar" : "box");
}
store_frame_param (f, prop, val);
+ }
+ /* If they specified "reverse", but not the colors, we need to swap
+ the current frame colors. */
+ if (need_to_reverse)
+ {
+ Lisp_Object frame;
+
+ if (!fg_set)
+ {
+ XSETFRAME (frame, f);
+ Finternal_set_lisp_face_attribute (Qdefault, QCforeground,
+ tty_color_name (f, orig_bg),
+ frame);
+ redraw = 1;
+ }
+ if (!bg_set)
+ {
+ XSETFRAME (frame, f);
+ Finternal_set_lisp_face_attribute (Qdefault, QCbackground,
+ tty_color_name (f, orig_fg),
+ frame);
+ redraw = 1;
+ }
}
if (redraw)
{
- recompute_basic_faces (f);
- if (f == selected_frame)
+ face_change_count++; /* forces xdisp.c to recompute basic faces */
+ if (f == SELECTED_FRAME())
redraw_frame (f);
}
}
void
internal_terminal_init ()
{
- char *term = getenv ("TERM");
- char *colors;
+ char *term = getenv ("TERM"), *colors;
+ struct frame *sf = SELECTED_FRAME();
#ifdef HAVE_X_WINDOWS
if (!inhibit_window_system)
if (getenv ("EMACSTEST"))
termscript = fopen (getenv ("EMACSTEST"), "wt");
-
+
#ifndef HAVE_X_WINDOWS
if (!internal_terminal || inhibit_window_system)
{
- selected_frame->output_method = output_termcap;
+ sf->output_method = output_termcap;
return;
}
Vwindow_system = intern ("pc");
Vwindow_system_version = make_number (1);
+ sf->output_method = output_msdos_raw;
/* If Emacs was dumped on DOS/V machine, forget the stale VRAM address. */
screen_old_address = 0;
+ /* Forget the stale screen colors as well. */
+ initial_screen_colors[0] = initial_screen_colors[1] = -1;
+
bzero (&the_only_x_display, sizeof the_only_x_display);
the_only_x_display.background_pixel = 7; /* White */
the_only_x_display.foreground_pixel = 0; /* Black */
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 */
-
- init_frame_faces (selected_frame);
+ the_only_x_display.display_info.mouse_face_mouse_frame = NULL;
+ the_only_x_display.display_info.mouse_face_deferred_gc = 0;
+ the_only_x_display.display_info.mouse_face_beg_row =
+ the_only_x_display.display_info.mouse_face_beg_col = -1;
+ the_only_x_display.display_info.mouse_face_end_row =
+ the_only_x_display.display_info.mouse_face_end_col = -1;
+ the_only_x_display.display_info.mouse_face_face_id = DEFAULT_FACE_ID;
+ the_only_x_display.display_info.mouse_face_window = Qnil;
+ the_only_x_display.display_info.mouse_face_mouse_x =
+ the_only_x_display.display_info.mouse_face_mouse_y = 0;
+ the_only_x_display.display_info.mouse_face_defer = 0;
+ the_only_x_display.display_info.mouse_face_hidden = 0;
+
+ init_frame_faces (sf);
ring_bell_hook = IT_ring_bell;
insert_glyphs_hook = IT_insert_glyphs;
clear_to_end_hook = IT_clear_to_end;
clear_end_of_line_hook = IT_clear_end_of_line;
clear_frame_hook = IT_clear_screen;
- change_line_highlight_hook = IT_change_line_highlight;
update_begin_hook = IT_update_begin;
update_end_hook = IT_update_end;
- reassert_line_highlight_hook = IT_reassert_line_highlight;
- frame_up_to_date_hook = IT_cmgoto; /* position cursor when update is done */
+ frame_up_to_date_hook = IT_frame_up_to_date;
/* These hooks are called by term.c without being checked. */
set_terminal_modes_hook = IT_set_terminal_modes;
return *screen != (char *)0;
#else
return 0;
-#endif
+#endif
}
#ifndef HAVE_X_WINDOWS
void
check_x (void)
{
- if (! FRAME_MSDOS_P (selected_frame))
- error ("Not running under a windows system");
+ if (! FRAME_MSDOS_P (SELECTED_FRAME()))
+ error ("Not running under a window system");
}
#endif
keyboard = keyboard_layout_list[0].keyboard_map;
keyboard_map_all = always;
dos_keyboard_layout = 1;
-
+
for (i = 0; i < (sizeof (keyboard_layout_list)/sizeof (struct keyboard_layout_list)); i++)
if (code == keyboard_layout_list[i].country_code)
{
Map | 23, /* 'o' */
Map | 24, /* 'p' */
Map | 25, /* '[' */
- Map | 26, /* ']' */
+ Map | 26, /* ']' */
ModFct | 0x0d, /* Return */
Ignore, /* Ctrl */
Map | 30, /* 'a' */
int *keymask;
{
union REGS regs;
- int mask;
- int modifiers = 0;
-
+ int mask, modifiers = 0;
+
/* Calculate modifier bits */
regs.h.ah = extended_kbd ? 0x12 : 0x02;
int86 (0x16, ®s, ®s);
if (!extended_kbd)
{
- mask = regs.h.al & (SHIFT_P | CTRL_P | ALT_P |
+ mask = regs.h.al & (SHIFT_P | CTRL_P | ALT_P |
SCRLOCK_P | NUMLOCK_P | CAPSLOCK_P);
}
else
{
mask = regs.h.al & (SHIFT_P |
SCRLOCK_P | NUMLOCK_P | CAPSLOCK_P);
-
+
/* Do not break international keyboard support. */
/* When Keyb.Com is loaded, the right Alt key is */
/* used for accessing characters like { and } */
mask |= ALT_P;
}
}
-
+
if (regs.h.ah & 1) /* Left CTRL pressed ? */
mask |= CTRL_P;
Lisp_Object recent_doskeys; /* A vector, holding the last 100 keystrokes */
DEFUN ("recent-doskeys", Frecent_doskeys, Srecent_doskeys, 0, 0, 0,
- "Return vector of last 100 keyboard input values seen in dos_rawgetc.\n\
-Each input key receives two values in this vector: first the ASCII code,\n\
-and then the scan code.")
+ doc: /* Return vector of last 100 keyboard input values seen in dos_rawgetc.
+Each input key receives two values in this vector: first the ASCII code,
+and then the scan code. */)
()
{
- Lisp_Object *keys = XVECTOR (recent_doskeys)->contents;
- Lisp_Object val;
+ Lisp_Object val, *keys = XVECTOR (recent_doskeys)->contents;
if (total_doskeys < NUM_RECENT_DOSKEYS)
return Fvector (total_doskeys, keys);
}
/* Get a char from keyboard. Function keys are put into the event queue. */
-
-extern void kbd_buffer_store_event (struct input_event *);
-static int mouse_preempted = 0; /* non-zero when XMenu gobbles mouse events */
-
static int
dos_rawgetc ()
{
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. */
- IT_cmgoto (selected_frame);
+ IT_cmgoto (SELECTED_FRAME());
#endif
/* The following condition is equivalent to `kbhit ()', except that
{
union REGS regs;
register unsigned char c;
- int sc, code = -1, mask, kp_mode;
- int modifiers;
+ int modifiers, sc, code = -1, mask, kp_mode;
regs.h.ah = extended_kbd ? 0x10 : 0x00;
int86 (0x16, ®s, ®s);
recent_doskeys_index = 0;
modifiers = dos_get_modifiers (&mask);
-
+
#ifndef HAVE_X_WINDOWS
if (!NILP (Vdos_display_scancodes))
{
continue;
}
}
-
+
if (c == 0)
{
/* We only look at the keyboard Ctrl/Shift/Alt keys when
if (code & Shift)
modifiers |= shift_modifier;
}
-
+
switch (code & 0xf000)
{
case ModFct:
if (c && !(mask & (SHIFT_P | ALT_P | CTRL_P | HYPER_P | SUPER_P)))
return c;
c = 0; /* Special */
-
+
case FctKey:
if (c != 0)
return c;
-
+
case Special:
code |= 0xff00;
break;
-
+
case Normal:
if (sc == 0)
{
code = c;
break;
}
-
+
case Map:
if (c && !(mask & ALT_P) && !((mask & SHIFT_P) && (mask & CTRL_P)))
if (!keyboard_map_all)
code &= 0xff;
if (mask & ALT_P && code <= 10 && code > 0 && dos_keypad_mode & 0x200)
mask |= SHIFT_P; /* ALT-1 => M-! etc. */
-
+
if (mask & SHIFT_P)
{
code = keyboard->shifted[code];
kp_mode = dos_keypad_mode & 0x03;
else
kp_mode = (dos_keypad_mode >> 4) & 0x03;
-
+
switch (kp_mode)
{
case 0:
code = keypad_translate_map[code].meta_code;
modifiers = meta_modifier;
break;
-
+
case 3:
code = 0xff00 | keypad_translate_map[code].editkey_code;
break;
}
break;
-
+
case Grey:
code &= 0xff;
kp_mode = ((mask & (NUMLOCK_P|CTRL_P|SHIFT_P|ALT_P)) == NUMLOCK_P) ? 0x04 : 0x40;
code = grey_key_translate_map[code].char_code;
break;
}
-
+
make_event:
if (code == 0)
continue;
-
+
+ if (!dpyinfo->mouse_face_hidden && INTEGERP (Vmouse_highlight))
+ {
+ clear_mouse_face (dpyinfo);
+ dpyinfo->mouse_face_hidden = 1;
+ }
+
if (code >= 0x100)
- event.kind = non_ascii_keystroke;
+ event.kind = NON_ASCII_KEYSTROKE_EVENT;
else
- event.kind = ascii_keystroke;
+ event.kind = ASCII_KEYSTROKE_EVENT;
event.code = code;
event.modifiers = modifiers;
- XSETFRAME (event.frame_or_window, selected_frame);
+ event.frame_or_window = selected_frame;
+ event.arg = Qnil;
event.timestamp = event_timestamp ();
kbd_buffer_store_event (&event);
}
if (have_mouse > 0 && !mouse_preempted)
{
int but, press, x, y, ok;
+ int mouse_prev_x = mouse_last_x, mouse_prev_y = mouse_last_y;
+ Lisp_Object mouse_window = Qnil;
/* Check for mouse movement *before* buttons. */
mouse_check_moved ();
+ /* If the mouse moved from the spot of its last sighting, we
+ might need to update mouse highlight. */
+ if (mouse_last_x != mouse_prev_x || mouse_last_y != mouse_prev_y)
+ {
+ if (dpyinfo->mouse_face_hidden)
+ {
+ dpyinfo->mouse_face_hidden = 0;
+ clear_mouse_face (dpyinfo);
+ }
+
+ /* Generate SELECT_WINDOW_EVENTs when needed. */
+ if (mouse_autoselect_window)
+ {
+ mouse_window = window_from_coordinates (SELECTED_FRAME(),
+ mouse_last_x,
+ mouse_last_y,
+ 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
+ it is active. */
+ if (WINDOWP (mouse_window)
+ && !EQ (mouse_window, last_mouse_window)
+ && !EQ (mouse_window, selected_window))
+ {
+ event.kind = SELECT_WINDOW_EVENT;
+ event.frame_or_window = mouse_window;
+ event.arg = Qnil;
+ event.timestamp = event_timestamp ();
+ kbd_buffer_store_event (&event);
+ }
+ last_mouse_window = mouse_window;
+ }
+ else
+ last_mouse_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_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_string;
+ event.timestamp = event_timestamp ();
+ event.code = help_echo_pos;
+ kbd_buffer_store_event (&event);
+ }
+ }
+
for (but = 0; but < NUM_MOUSE_BUTTONS; but++)
for (press = 0; press < 2; press++)
{
}
}
- event.kind = mouse_click;
+ event.kind = MOUSE_CLICK_EVENT;
event.code = button_num;
event.modifiers = dos_get_modifiers (0)
| (press ? down_modifier : up_modifier);
- event.x = x;
- event.y = y;
- XSETFRAME (event.frame_or_window, selected_frame);
+ event.x = make_number (x);
+ event.y = make_number (y);
+ event.frame_or_window = selected_frame;
+ event.arg = Qnil;
event.timestamp = event_timestamp ();
kbd_buffer_store_event (&event);
}
}
\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;
- register int *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;
- register int *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.
grab the nearest Xlib manual (down the hall, second-to-last door on the
left), but I don't think it's worth the effort. */
+/* These hold text of the current and the previous menu help messages. */
+static char *menu_help_message, *prev_menu_help_message;
+/* Pane number and item number of the menu item which generated the
+ last menu help message. */
+static int menu_help_paneno, menu_help_itemno;
+
static XMenu *
IT_menu_create ()
{
menu->text = (char **) xmalloc (count * sizeof (char *));
menu->submenu = (XMenu **) xmalloc (count * sizeof (XMenu *));
menu->panenumber = (int *) xmalloc (count * sizeof (int));
+ menu->help_text = (char **) xmalloc (count * sizeof (char *));
}
else if (menu->allocated == menu->count)
{
= (XMenu **) xrealloc (menu->submenu, count * sizeof (XMenu *));
menu->panenumber
= (int *) xrealloc (menu->panenumber, count * sizeof (int));
+ menu->help_text
+ = (char **) xrealloc (menu->help_text, count * sizeof (char *));
}
}
/* Display MENU at (X,Y) using FACES. */
static void
-IT_menu_display (XMenu *menu, int y, int x, int *faces)
+IT_menu_display (XMenu *menu, int y, int x, int pn, int *faces, int disp_help)
{
- int i, j, face, width;
+ int i, j, face, width, mx, my, enabled, mousehere, row, col;
struct glyph *text, *p;
char *q;
- int mx, my;
- int enabled, mousehere;
- int row, col;
+ struct frame *sf = SELECTED_FRAME();
+
+ menu_help_message = NULL;
width = menu->width;
text = (struct glyph *) xmalloc ((width + 2) * sizeof (struct glyph));
ScreenGetCursor (&row, &col);
mouse_get_xy (&mx, &my);
- IT_update_begin (selected_frame);
+ IT_update_begin (sf);
for (i = 0; i < menu->count; i++)
{
+ int max_width = width + 2;
+
IT_cursor_to (y + i, x);
enabled
= (!menu->submenu[i] && menu->panenumber[i]) || (menu->submenu[i]);
mousehere = (y + i == my && x <= mx && mx < x + width + 2);
face = faces[enabled + mousehere * 2];
+ /* The following if clause means that we display the menu help
+ strings even if the menu item is currently disabled. */
+ if (disp_help && enabled + mousehere * 2 >= 2)
+ {
+ menu_help_message = menu->help_text[i];
+ menu_help_paneno = pn - 1;
+ menu_help_itemno = i;
+ }
p = text;
SET_CHAR_GLYPH (*p, ' ', face, 0);
p++;
p++;
}
}
-
- for (; j < width; j++, p++)
+ /* Don't let the menu text overflow into the next screen row. */
+ if (x + max_width > screen_size_X)
+ {
+ max_width = screen_size_X - x;
+ text[max_width - 1].u.ch = '$'; /* indicate it's truncated */
+ }
+ for (; j < max_width - 2; j++, p++)
SET_CHAR_GLYPH (*p, ' ', face, 0);
SET_CHAR_GLYPH (*p, menu->submenu[i] ? 16 : ' ', face, 0);
p++;
- IT_write_glyphs (text, width + 2);
+ IT_write_glyphs (text, max_width);
}
- IT_update_end (selected_frame);
+ IT_update_end (sf);
IT_cursor_to (row, col);
xfree (text);
}
/* Report availability of menus. */
int
-have_menus_p ()
-{
- return 1;
-}
+have_menus_p () { return 1; }
/* Create a brand new menu structure. */
menu->submenu[menu->count] = IT_menu_create ();
menu->text[menu->count] = txt;
menu->panenumber[menu->count] = ++menu->panecount;
+ menu->help_text[menu->count] = NULL;
menu->count++;
/* Adjust length for possible control characters (which will
int
XMenuAddSelection (Display *bar, XMenu *menu, int pane,
- int foo, char *txt, int enable)
+ int foo, char *txt, int enable, char *help_text)
{
int len;
char *p;
menu->submenu[menu->count] = (XMenu *) 0;
menu->text[menu->count] = txt;
menu->panenumber[menu->count] = enable;
+ menu->help_text[menu->count] = help_text;
menu->count++;
/* Adjust length for possible control characters (which will
int
XMenuActivate (Display *foo, XMenu *menu, int *pane, int *selidx,
- int x0, int y0, unsigned ButtonMask, char **txt)
+ int x0, int y0, unsigned ButtonMask, char **txt,
+ void (*help_callback)(char *, int, int))
{
struct IT_menu_state *state;
- int statecount;
- int x, y, i, b;
- int screensize;
- int faces[4];
- Lisp_Object selectface;
- int leave, result, onepane;
+ int statecount, x, y, i, b, screensize, leave, result, onepane;
int title_faces[4]; /* face to display the menu title */
- int buffers_num_deleted = 0;
+ int faces[4], buffers_num_deleted = 0;
+ struct frame *sf = SELECTED_FRAME();
+ Lisp_Object saved_echo_area_message, selectface;
/* Just in case we got here without a mouse present... */
if (have_mouse <= 0)
y0 = 1;
/* We will process all the mouse events directly, so we had
- better prevented dos_rawgetc from stealing them from us. */
+ better prevent dos_rawgetc from stealing them from us. */
mouse_preempted++;
state = alloca (menu->panecount * sizeof (struct IT_menu_state));
screensize = screen_size * 2;
faces[0]
- = lookup_derived_face (selected_frame, intern ("msdos-menu-passive-face"),
- CHARSET_ASCII, DEFAULT_FACE_ID);
+ = lookup_derived_face (sf, intern ("msdos-menu-passive-face"),
+ 0, DEFAULT_FACE_ID, 1);
faces[1]
- = lookup_derived_face (selected_frame, intern ("msdos-menu-active-face"),
- CHARSET_ASCII, DEFAULT_FACE_ID);
+ = lookup_derived_face (sf, intern ("msdos-menu-active-face"),
+ 0, DEFAULT_FACE_ID, 1);
selectface = intern ("msdos-menu-select-face");
- faces[2] = lookup_derived_face (selected_frame, selectface,
- CHARSET_ASCII, faces[0]);
- faces[3] = lookup_derived_face (selected_frame, selectface,
- CHARSET_ASCII, faces[1]);
+ faces[2] = lookup_derived_face (sf, selectface,
+ 0, faces[0], 1);
+ faces[3] = lookup_derived_face (sf, selectface,
+ 0, faces[1], 1);
/* Make sure the menu title is always displayed with
`msdos-menu-active-face', no matter where the mouse pointer is. */
/* Don't let the title for the "Buffers" popup menu include a
digit (which is ugly).
-
+
This is a terrible kludge, but I think the "Buffers" case is
the only one where the title includes a number, so it doesn't
seem to be necessary to make this more general. */
menu->text[0][7] = '\0';
buffers_num_deleted = 1;
}
+
+ /* We need to save the current echo area message, so that we could
+ restore it below, before we exit. See the commentary below,
+ before the call to message_with_string. */
+ saved_echo_area_message = Fcurrent_message ();
state[0].menu = menu;
mouse_off ();
ScreenRetrieve (state[0].screen_behind = xmalloc (screensize));
panes, which is ugly. */
IT_display_cursor (0);
- IT_menu_display (menu, y0 - 1, x0 - 1, title_faces); /* display menu title */
+ /* Display the menu title. */
+ IT_menu_display (menu, y0 - 1, x0 - 1, 1, title_faces, 0);
if (buffers_num_deleted)
menu->text[0][7] = ' ';
if ((onepane = menu->count == 1 && menu->submenu[0]))
{
if (!mouse_visible) mouse_on ();
mouse_check_moved ();
- if (selected_frame->mouse_moved)
+ if (sf->mouse_moved)
{
- selected_frame->mouse_moved = 0;
+ sf->mouse_moved = 0;
result = XM_IA_SELECT;
mouse_get_xy (&x, &y);
for (i = 0; i < statecount; i++)
IT_menu_display (state[i].menu,
state[i].y,
state[i].x,
- faces);
+ state[i].pane,
+ faces, 1);
state[statecount].menu = state[i].menu->submenu[dy];
state[statecount].pane = state[i].menu->panenumber[dy];
mouse_off ();
state[statecount].x
= state[i].x + state[i].menu->width + 2;
state[statecount].y = y;
- statecount++;
+ statecount++;
}
}
}
IT_menu_display (state[statecount - 1].menu,
state[statecount - 1].y,
state[statecount - 1].x,
- faces);
+ state[statecount - 1].pane,
+ faces, 1);
}
else
- /* We are busy-waiting for the mouse to move, so let's be nice
- to other Windows applications by releasing our time slice. */
- __dpmi_yield ();
+ {
+ if ((menu_help_message || prev_menu_help_message)
+ && menu_help_message != prev_menu_help_message)
+ {
+ help_callback (menu_help_message,
+ menu_help_paneno, menu_help_itemno);
+ IT_display_cursor (0);
+ prev_menu_help_message = menu_help_message;
+ }
+ /* We are busy-waiting for the mouse to move, so let's be nice
+ to other Windows applications by releasing our time slice. */
+ __dpmi_yield ();
+ }
for (b = 0; b < mouse_button_count && !leave; b++)
{
/* Only leave if user both pressed and released the mouse, and in
ScreenUpdate (state[0].screen_behind);
if (screen_virtual_segment)
dosv_refresh_virtual_screen (0, screen_size);
+
+ /* We have a situation here. ScreenUpdate has just restored the
+ screen contents as it was before we started drawing this menu.
+ That includes any echo area message that could have been
+ displayed back then. (In reality, that echo area message will
+ almost always be the ``keystroke echo'' that echoes the sequence
+ of menu items chosen by the user.) However, if the menu had some
+ help messages, then displaying those messages caused Emacs to
+ forget about the original echo area message. So when
+ ScreenUpdate restored it, it created a discrepancy between the
+ actual screen contents and what Emacs internal data structures
+ know about it.
+
+ To avoid this conflict, we force Emacs to restore the original
+ echo area message as we found it when we entered this function.
+ The irony of this is that we then erase the restored message
+ right away, so the only purpose of restoring it is so that
+ erasing it works correctly... */
+ if (! NILP (saved_echo_area_message))
+ message_with_string ("%s", saved_echo_area_message, 0);
+ message (0);
while (statecount--)
xfree (state[statecount].screen_behind);
IT_display_cursor (1); /* turn cursor back on */
(which invoked the menu) too quickly. If we don't remove these events,
Emacs will process them after we return and surprise the user. */
discard_mouse_events ();
+ mouse_clear_clicks ();
+ if (!kbd_buffer_events_waiting (1))
+ clear_input_pending ();
/* Allow mouse events generation by dos_rawgetc. */
mouse_preempted--;
return result;
xfree (menu->text);
xfree (menu->submenu);
xfree (menu->panenumber);
+ xfree (menu->help_text);
}
xfree (menu);
+ menu_help_message = prev_menu_help_message = NULL;
}
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
int drive;
char *dst;
{
- char in_path[4], *p = in_path;
- int e = errno;
+ char in_path[4], *p = in_path, e = errno;;
/* Generate "X:." (when drive is X) or "." (when drive is 0). */
if (drive != 0)
*p = '\0';
errno = 0;
_fixpath (in_path, dst);
- /* _fixpath can set errno to ENOSYS on non-LFN systems because
- it queries the LFN support, so ignore that error. */
+ /* _fixpath can set errno to ENOSYS on non-LFN systems because
+ it queries the LFN support, so ignore that error. */
if ((errno && errno != ENOSYS) || *dst == '\0')
return 0;
return 1;
}
+char *
+emacs_root_dir (void)
+{
+ static char root_dir[4];
+
+ sprintf (root_dir, "%c:/", 'A' + getdisk ());
+ root_dir[0] = tolower (root_dir[0]);
+ return root_dir;
+}
+
/* Remove all CR's that are followed by a LF. */
int
register int n;
register unsigned char *buf;
{
- unsigned char *np = buf;
- unsigned char *startp = buf;
- unsigned char *endp = buf + n;
+ unsigned char *np = buf, *startp = buf, *endp = buf + n;
if (n == 0)
return n;
used when you compile with DJGPP v2.0. */
#include <io.h>
-
+
int _rename(const char *old, const char *new)
{
__dpmi_regs r;
#endif /* __DJGPP__ == 2 && __DJGPP_MINOR__ == 0 */
DEFUN ("msdos-long-file-names", Fmsdos_long_file_names, Smsdos_long_file_names,
- 0, 0, 0,
- "Return non-nil if long file names are supported on MSDOS.")
- ()
+ 0, 0, 0,
+ doc: /* Return non-nil if long file names are supported on MSDOS. */)
+ ()
{
return (_USE_LFN ? Qt : Qnil);
}
DEFUN ("msdos-downcase-filename", Fmsdos_downcase_filename, Smsdos_downcase_filename,
1, 1, 0,
- "Convert alphabetic characters in FILENAME to lower case and return that.\n\
-When long filenames are supported, doesn't change FILENAME.\n\
-If FILENAME is not a string, returns nil.\n\
-The argument object is never altered--the value is a copy.")
- (filename)
+ doc: /* Convert alphabetic characters in FILENAME to lower case and return that.
+When long filenames are supported, doesn't change FILENAME.
+If FILENAME is not a string, returns nil.
+The argument object is never altered--the value is a copy. */)
+ (filename)
Lisp_Object filename;
{
Lisp_Object tem;
return Qnil;
tem = Fcopy_sequence (filename);
- msdos_downcase_filename (XSTRING (tem)->data);
+ msdos_downcase_filename (SDATA (tem));
return tem;
}
\f
int skip_args;
{
char *s, *t, *root;
- int len;
+ int len, i;
static const char * const tempdirs[] = {
"$TMPDIR", "$TEMP", "$TMP", "c:/"
};
- int i;
const int imax = sizeof (tempdirs) / sizeof (tempdirs[0]);
/* Make sure they have a usable $TMPDIR. Many Emacs functions use
for (i = 0; i < imax ; i++)
{
const char *tmp = tempdirs[i];
+ char buf[FILENAME_MAX];
if (*tmp == '$')
- 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
{
union REGS inregs, outregs;
static int first_time = 1;
-
+
break_stat = getcbrk ();
setcbrk (0);
#if __DJGPP__ < 2
inregs.h.ah = 0xc0;
int86 (0x15, &inregs, &outregs);
extended_kbd = (!outregs.x.cflag) && (outregs.h.ah == 0);
-
+
have_mouse = 0;
if (internal_terminal
{
have_mouse = 1; /* enable mouse */
mouse_visible = 0;
-
- if (outregs.x.bx == 3)
- {
- mouse_button_count = 3;
- mouse_button_translate[0] = 0; /* Left */
- mouse_button_translate[1] = 2; /* Middle */
- mouse_button_translate[2] = 1; /* Right */
- }
- else
- {
- mouse_button_count = 2;
- mouse_button_translate[0] = 0;
- mouse_button_translate[1] = 1;
- }
+ mouse_setup_buttons (outregs.x.bx);
mouse_position_hook = &mouse_get_pos;
mouse_init ();
}
+
+#ifndef HAVE_X_WINDOWS
+#if __DJGPP__ >= 2
+ /* Save the cursor shape used outside Emacs. */
+ outside_cursor = _farpeekw (_dos_ds, 0x460);
+#endif
+#endif
}
first_time = 0;
#if __DJGPP__ >= 2
+#ifndef HAVE_X_WINDOWS
+ /* Restore the cursor shape we found on startup. */
+ if (outside_cursor)
+ {
+ inregs.h.ah = 1;
+ inregs.x.cx = outside_cursor;
+ int86 (0x10, &inregs, &outregs);
+ }
+#endif
+
return (setmode (fileno (stdin), stdin_stat) != -1);
#else /* not __DJGPP__ >= 2 */
{
char *saveargv1, *saveargv2, *lowcase_argv0, *pa, *pl;
char oldwd[MAXPATHLEN + 1]; /* Fixed size is safe on MSDOS. */
- int msshell, result = -1;
- int inbak, outbak, errbak;
- int x, y;
+ int msshell, result = -1, inbak, outbak, errbak, x, y;
Lisp_Object cmd;
/* Get current directory as MSDOS cwd is not per-process. */
saveargv1 = argv[1];
saveargv2 = argv[2];
argv[1] = "/c";
- if (argv[2])
+ /* We only need to mirror slashes if a DOS shell will be invoked
+ not via `system' (which does the mirroring itself). Yes, that
+ means DJGPP v1.x will lose here. */
+ if (argv[2] && argv[3])
{
char *p = alloca (strlen (argv[2]) + 1);
strcpy (argv[2] = p, saveargv2);
while (*p && isspace (*p))
p++;
- while (*p && !isspace (*p))
- if (*p == '/')
- *p++ = '\\';
- else
- p++;
+ while (*p)
+ {
+ if (*p == '/')
+ *p++ = '\\';
+ else
+ p++;
+ }
}
}
mouse_get_xy (&x, &y);
dos_ttcooked (); /* do it here while 0 = stdin */
-
+
dup2 (tempin, 0);
dup2 (tempout, 1);
dup2 (temperr, 2);
if (*cmnd)
{
extern char **environ;
+ char **save_env = environ;
int save_system_flags = __system_flags;
/* Request the most powerful version of `system'. We need
environ = envv;
result = system (cmnd);
__system_flags = save_system_flags;
+ environ = save_env;
}
else
result = 0; /* emulate Unixy shell behavior with empty cmd line */
#endif /* __DJGPP__ > 1 */
result = spawnve (P_WAIT, argv[0], argv, envv);
-
+
dup2 (inbak, 0);
dup2 (outbak, 1);
dup2 (errbak, 2);
- close (inbak);
- close (outbak);
- close (errbak);
+ emacs_close (inbak);
+ emacs_close (outbak);
+ emacs_close (errbak);
dos_ttraw ();
if (have_mouse > 0)
text attribute byte, so we get blinking characters instead of the
bright background colors. Restore that. */
bright_bg ();
-
+
done:
chdir (oldwd);
if (msshell)
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;
{
struct time t;
struct tm tm;
-
+
gettime (&t);
if (t.ti_hour < time_rec.tm_hour) /* midnight wrap */
{
time_rec.tm_mon = d.da_mon - 1;
time_rec.tm_mday = d.da_day;
}
-
+
time_rec.tm_hour = t.ti_hour;
time_rec.tm_min = t.ti_min;
time_rec.tm_sec = t.ti_sec;
tm = time_rec;
tm.tm_gmtoff = dos_timezone_offset;
-
+
tp->tv_sec = mktime (&tm); /* may modify tm */
tp->tv_usec = t.ti_hund * (1000000 / 100);
}
nice (p) int p; {}
void volatile pause () {}
sigsetmask (x) int x; { return 0; }
-sigblock (mask) int mask; { return 0; }
+sigblock (mask) int mask; { return 0; }
#endif
void request_sigio (void) {}
void unrequest_sigio (void) {}
#if __DJGPP__ > 1
+#if __DJGPP_MINOR__ < 2
#ifdef POSIX_SIGNALS
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 */
#endif /* __DJGPP__ > 1 */
#ifndef HAVE_SELECT
/* 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;
if (nfds != 1)
abort ();
-
+
/* If we are looking only for the terminal, with no timeout,
just read it and wait -- that's more efficient. */
if (!timeout)
dos_yield_time_slice ();
}
}
-
+
FD_SET (0, rfds);
return 1;
}
tmp += 2; /* strip drive: KFS 1995-07-06 */
len -= 2;
}
-
+
if (len > 1 && (tmp[len - 1] == '/'))
{
char *tmp1 = (char *) alloca (len + 1);
{
char buffer1[200], buffer2[400];
int i, j;
-
+
sprintf (buffer1, "<EMACS FATAL ERROR IN %s LINE %d>", file, line);
for (i = j = 0; buffer1[i]; i++) {
buffer2[j++] = buffer1[i];
}
#endif
-/* The following two are required so that customization feature
- won't complain about unbound variables. */
-#ifndef HAVE_X_WINDOWS
-/* Search path for bitmap files (xfns.c). */
-Lisp_Object Vx_bitmap_file_path;
-#endif
+/* The following variables are required so that cus-start.el won't
+ complain about unbound variables. */
#ifndef subprocesses
/* Nonzero means delete a process right away if it exits (process.c). */
static int delete_exited_processes;
{
recent_doskeys = Fmake_vector (make_number (NUM_RECENT_DOSKEYS), Qnil);
staticpro (&recent_doskeys);
+
#ifndef HAVE_X_WINDOWS
- DEFVAR_LISP ("x-bitmap-file-path", &Vx_bitmap_file_path,
- "List of directories to search for bitmap files for X.");
- Vx_bitmap_file_path = decode_env_path ((char *) 0, ".");
- /* The following three are from xfns.c: */
- Qbackground_color = intern ("background-color");
- staticpro (&Qbackground_color);
- Qforeground_color = intern ("foreground-color");
- staticpro (&Qforeground_color);
+ /* The following two are from xfns.c: */
+ Qreverse = intern ("reverse");
+ staticpro (&Qreverse);
DEFVAR_LISP ("dos-unsupported-char-glyph", &Vdos_unsupported_char_glyph,
- "*Glyph to display instead of chars not supported by current codepage.\n\
+ doc: /* *Glyph to display instead of chars not supported by current codepage.
+This variable is used only by MSDOS terminals. */);
+ Vdos_unsupported_char_glyph = make_number ('\177');
-This variable is used only by MSDOS terminals.");
- Vdos_unsupported_char_glyph = '\177';
#endif
#ifndef subprocesses
DEFVAR_BOOL ("delete-exited-processes", &delete_exited_processes,
- "*Non-nil means delete processes immediately when they exit.\n\
-nil means don't delete them until `list-processes' is run.");
+ doc: /* *Non-nil means delete processes immediately when they exit.
+nil means don't delete them until `list-processes' is run. */);
delete_exited_processes = 0;
#endif
defsubr (&Srecent_doskeys);
defsubr (&Smsdos_long_file_names);
defsubr (&Smsdos_downcase_filename);
+ defsubr (&Smsdos_remember_default_colors);
+ defsubr (&Smsdos_set_mouse_buttons);
}
#endif /* MSDOS */
-
+
+/* arch-tag: db404e92-52a5-475f-9eb2-1cb78dd05f30
+ (do not change this comment) */