/* X Communication module for terminals which understand the X protocol.
- Copyright (C) 1989 Free Software Foundation, Inc.
+ Copyright (C) 1989, 1992, 1993 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 1, or (at your option)
+the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Emacs is distributed in the hope that it will be useful,
#include "lisp.h"
-/* On 4.3 this loses if it comes after xterm.h. */
+/* On 4.3 these lose if they come after xterm.h. */
+#include <stdio.h>
#include <signal.h>
/* This may include sys/types.h, and that somehow loses
if this is not done before the other system files. */
#include "xterm.h"
+#include <X11/cursorfont.h>
+#ifndef USG
/* Load sys/types.h if not already loaded.
In some systems loading it twice is suicidal. */
#ifndef makedev
#include <sys/types.h>
-#endif
+#endif /* makedev */
+#endif /* USG */
#ifdef BSD
#include <sys/ioctl.h>
#include <strings.h>
-#else
+#else /* ! defined (BSD) */
#include <sys/termio.h>
#include <string.h>
-#endif
+#endif /* ! defined (BSD) */
/* Allow m- file to inhibit use of FIONREAD. */
#ifdef BROKEN_FIONREAD
#undef FIONREAD
-#endif
+#endif /* ! defined (BROKEN_FIONREAD) */
/* We are unable to use interrupts if FIONREAD is not available,
so flush SIGIO so we won't try. */
#ifndef FIONREAD
#ifdef SIGIO
#undef SIGIO
-#endif
-#endif
+#endif /* ! defined (SIGIO) */
+#endif /* FIONREAD */
-#ifdef NEED_TIME_H
-#include <time.h>
-#else /* not NEED_TIME_H */
-#ifdef HAVE_TIMEVAL
-#include <sys/time.h>
-#endif /* HAVE_TIMEVAL */
-#endif /* not NEED_TIME_H */
+#include "systime.h"
#include <fcntl.h>
-#include <stdio.h>
#include <ctype.h>
#include <errno.h>
#include <setjmp.h>
#if 0
#include "sink.h"
#include "sinkmask.h"
-#endif
+#endif /* ! 0 */
#include "gnu.h"
-#include "screen.h"
+#include "frame.h"
#include "disptab.h"
#include "buffer.h"
+#include "window.h"
#ifdef HAVE_X11
#define XMapWindow XMapRaised /* Raise them when mapping. */
-#else
+#else /* ! defined (HAVE_X11) */
#include <X/Xkeyboard.h>
/*#include <X/Xproto.h> */
-#endif /* HAVE_X11 */
+#endif /* ! defined (HAVE_X11) */
/* For sending Meta-characters. Do we need this? */
#define METABIT 0200
/* Nonzero means we must reprint all windows
because 1) we received an ExposeWindow event
- or 2) we received too many ExposeRegion events to record. */
+ or 2) we received too many ExposeRegion events to record.
+ This is never needed under X11. */
static int expose_all_windows;
/* Nonzero means we must reprint all icon windows. */
are copied into this queue for later processing. */
struct event_queue x_mouse_queue;
-#endif
+#endif /* HAVE_X11 */
/* Nonzero after BLOCK_INPUT; prevents input events from being
processed until later. */
#if defined (SIGIO) && defined (FIONREAD)
int BLOCK_INPUT_mask;
-#endif
+#endif /* ! defined (SIGIO) && defined (FIONREAD) */
/* Nonzero if input events came in while x_input_blocked was nonzero.
UNBLOCK_INPUT checks for this. */
int x_pending_input;
-/* Nonzero if in redisplay (); prevents us from calling it recursively */
-
-int in_display;
-
/* The id of a bitmap used for icon windows.
One such map is shared by all Emacs icon windows.
This is zero if we have not yet had a need to create the bitmap. */
Display *x_current_display;
-/* Screen being updated by update_screen. */
+/* The cursor to use for vertical scroll bars on x_current_display. */
+static Cursor x_vertical_scroll_bar_cursor;
+
+/* Frame being updated by update_frame. */
/* This is set by XTupdate_begin and looked at by all the
XT functions. It is zero while not inside an update.
- In that case, the XT functions assume that `selected_screen'
- is the screen to apply to. */
-
-static struct screen *updating_screen;
-
-/* The screen (if any) which has the X window that has keyboard focus.
- Zero if none. This is examined by Ffocus_screen in screen.c. */
-struct screen *x_focus_screen;
-
-/* The screen which currently has the visual highlight, and should get
- keyboard input (other sorts of input have the screen encoded in the
- event). It points to the X focus screen's selected window's
- screen. It differs from x_focus_screen when we're using a global
+ In that case, the XT functions assume that `selected_frame'
+ is the frame to apply to. */
+
+static struct frame *updating_frame;
+
+/* The frame (if any) which has the X window that has keyboard focus.
+ Zero if none. This is examined by Ffocus_frame in frame.c. Note
+ that a mere EnterNotify event can set this; if you need to know the
+ last frame specified in a FocusIn or FocusOut event, use
+ x_focus_event_frame. */
+struct frame *x_focus_frame;
+
+/* The last frame mentioned in a FocusIn or FocusOut event. This is
+ separate from x_focus_frame, because whether or not LeaveNotify
+ events cause us to lose focus depends on whether or not we have
+ received a FocusIn event for it. */
+struct frame *x_focus_event_frame;
+
+/* The frame which currently has the visual highlight, and should get
+ keyboard input (other sorts of input have the frame encoded in the
+ event). It points to the X focus frame's selected window's
+ frame. It differs from x_focus_frame when we're using a global
minibuffer. */
-static struct screen *x_highlight_screen;
+static struct frame *x_highlight_frame;
/* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero,
- mouse is moved to inside of screen when screen is de-iconified. */
+ mouse is moved to inside of frame when frame is de-iconified. */
static int warp_mouse_on_deiconify;
/* Nonzero enables some debugging for the X interface code. */
extern int _Xdebug;
-#else /* X10 stuff */
+#else /* ! defined (HAVE_X11) */
/* Bit patterns for the mouse cursor. */
0x0005, 0x000a, 0x0005, 0x000a};
static Pixmap GreyPixmap = 0;
-#endif /* X10 stuff */
+#endif /* ! defined (HAVE_X11) */
/* From time to time we get info on an Emacs window, here. */
extern int errno;
+/* See keyboard.c. */
+extern int extra_keyboard_modifiers;
+
extern Display *XOpenDisplay ();
extern Window XCreateWindow ();
#ifndef HAVE_X11
static void dumpqueue ();
-#endif
+#endif /* HAVE_X11 */
void dumpborder ();
-static XTcursor_to ();
-static XTclear_end_of_line ();
+static int XTcursor_to ();
+static int XTclear_end_of_line ();
+
\f
-/* These hooks are called by update_screen at the beginning and end
- of a screen update. We record in `updating_screen' the identity
- of the screen being updated, so that the XT... functions do not
- need to take a screen as argument. Most of the XT... functions
+/* Starting and ending updates.
+
+ These hooks are called by update_frame at the beginning and end
+ of a frame update. We record in `updating_frame' the identity
+ of the frame being updated, so that the XT... functions do not
+ need to take a frame as argument. Most of the XT... functions
should never be called except during an update, the only exceptions
being XTcursor_to, XTwrite_char and XTreassert_line_highlight. */
extern int mouse_track_top, mouse_track_left, mouse_track_width;
static
-XTupdate_begin (s)
- struct screen *s;
+XTupdate_begin (f)
+ struct frame *f;
{
int mask;
- if (s == 0)
+ if (f == 0)
abort ();
- updating_screen = s;
- flexlines = s->height;
+ updating_frame = f;
+ flexlines = f->height;
highlight = 0;
BLOCK_INPUT;
#ifndef HAVE_X11
dumpqueue ();
-#endif
+#endif /* HAVE_X11 */
UNBLOCK_INPUT;
}
+#ifndef HAVE_X11
static void x_do_pending_expose ();
+#endif
static
-XTupdate_end (s)
- struct screen *s;
+XTupdate_end (f)
+ struct frame *f;
{
int mask;
- if (updating_screen == 0
- || updating_screen != s)
+ if (updating_frame == 0
+ || updating_frame != f)
abort ();
BLOCK_INPUT;
#ifndef HAVE_X11
dumpqueue ();
-#endif
- adjust_scrollbars (s);
x_do_pending_expose ();
+#endif /* HAVE_X11 */
- x_display_cursor (s, 1);
+ x_display_cursor (f, 1);
- updating_screen = 0;
+ updating_frame = 0;
XFlushQueue ();
UNBLOCK_INPUT;
}
{
highlight = new_highlight;
XTcursor_to (vpos, 0);
- XTclear_end_of_line (updating_screen->width);
+ XTclear_end_of_line (updating_frame->width);
}
/* This is used when starting Emacs and when restarting after suspend.
static
XTreset_terminal_modes ()
{
-/* XTclear_screen (); */
+/* XTclear_frame (); */
}
\f
-/* Set the nominal cursor position of the screen:
- where display update commands will take effect.
+/* Set the nominal cursor position of the frame.
+ This is where display update commands will take effect.
This does not affect the place where the cursor-box is displayed. */
-static
+static int
XTcursor_to (row, col)
register int row, col;
{
curs_x = col;
curs_y = row;
- if (updating_screen == 0)
+ if (updating_frame == 0)
{
BLOCK_INPUT;
- x_display_cursor (selected_screen, 1);
+ x_display_cursor (selected_frame, 1);
XFlushQueue ();
UNBLOCK_INPUT;
}
FONT is the default font to use (for glyphs whose font-code is 0). */
static void
-dumpglyphs (s, left, top, gp, n, hl, font)
- struct screen *s;
+dumpglyphs (f, left, top, gp, n, hl, font)
+ struct frame *f;
int left, top;
register GLYPH *gp; /* Points to first GLYPH. */
register int n; /* Number of glyphs to display. */
FONT_TYPE *font;
{
register int len;
- Window window = s->display.x->window_desc;
- GC drawing_gc = (hl == 2 ? s->display.x->cursor_gc
- : (hl ? s->display.x->reverse_gc
- : s->display.x->normal_gc));
+ Window window = FRAME_X_WINDOW (f);
+ GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc
+ : (hl ? f->display.x->reverse_gc
+ : f->display.x->normal_gc));
if (sizeof (GLYPH) == sizeof (XChar2b))
XDrawImageString16 (x_current_display, window, drawing_gc,
#if 0
static void
-dumpglyphs (s, left, top, gp, n, hl, font)
- struct screen *s;
+dumpglyphs (f, left, top, gp, n, hl, font)
+ struct frame *f;
int left, top;
register GLYPH *gp; /* Points to first GLYPH. */
register int n; /* Number of glyphs to display. */
int hl;
FONT_TYPE *font;
{
- char buf[s->width]; /* Holds characters to be displayed. */
+ char buf[f->width]; /* Holds characters to be displayed. */
register char *cp; /* Steps through buf[]. */
register int tlen = GLYPH_TABLE_LENGTH;
register Lisp_Object *tbase = GLYPH_TABLE_BASE;
- Window window = s->display.x->window_desc;
- int cursor_pixel = s->display.x->cursor_pixel;
- int fg_pixel = s->display.x->foreground_pixel;
- int bg_pixel = s->display.x->background_pixel;
- int intborder = s->display.x->internal_border_width;
+ Window window = FRAME_X_WINDOW (f);
+ int cursor_pixel = f->display.x->cursor_pixel;
+ int fg_pixel = f->display.x->foreground_pixel;
+ int bg_pixel = f->display.x->background_pixel;
+ int intborder = f->display.x->internal_border_width;
while (n)
{
if (cf == 0)
{
#ifdef HAVE_X11
- GC GC_cursor = s->display.x->cursor_gc;
- GC GC_reverse = s->display.x->reverse_gc;
- GC GC_normal = s->display.x->normal_gc;
+ GC GC_cursor = f->display.x->cursor_gc;
+ GC GC_reverse = f->display.x->reverse_gc;
+ GC GC_normal = f->display.x->normal_gc;
XDrawImageString (x_current_display, window,
(hl == 2
? GC_cursor
: (hl ? GC_reverse : GC_normal)),
left, top + FONT_BASE (font), buf, len);
-#else
+#else /* ! defined (HAVE_X11) */
XText (window, left, top,
buf,
len,
: hl ? bg_pixel : fg_pixel),
(hl == 2 ? cursor_pixel
: hl ? fg_pixel : bg_pixel));
-#endif /* HAVE_X11 */
+#endif /* ! defined (HAVE_X11) */
}
else
{
#ifdef HAVE_X11
if (FACE_IS_FONT (cf))
- XDrawImageString (x_current_display, s->display.x->window_desc,
+ XDrawImageString (x_current_display, FRAME_X_WINDOW (f),
FACE_GC (cf),
left, top + FONT_BASE (FACE_FONT (cf)),
buf, len);
else if (FACE_IS_IMAGE (cf))
XCopyPlane (x_current_display, FACE_IMAGE (cf),
- s->display.x->window_desc,
- s->display.x->normal_gc,
+ FRAME_X_WINDOW (f),
+ f->display.x->normal_gc,
0, 0,
FACE_IMAGE_WIDTH (cf),
FACE_IMAGE_HEIGHT (cf), left, top);
else
abort ();
-#else
+#else /* ! defined (HAVE_X11) */
register struct face *fp = x_face_table[cf];
XText (window, left, top,
: hl ? fp->bg : fp->fg),
(hl == 2 ? cursor_pixel
: hl ? fp->fg : fp->bg));
-#endif /* HAVE_X11 */
+#endif /* ! defined (HAVE_X11) */
}
left += len * FONT_WIDTH (font);
}
}
-#endif
+#endif /* ! 0 */
\f
-/* Output some text at the nominal screen cursor position,
- advancing the cursor over the text.
+/* Output some text at the nominal frame cursor position.
+ Advance the cursor over the text.
Output LEN glyphs at START.
`highlight', set up by XTreassert_line_highlight or XTchange_line_highlight,
{
register int temp_length;
int mask;
- struct screen *s;
+ struct frame *f;
BLOCK_INPUT;
- s = updating_screen;
- if (s == 0)
+ f = updating_frame;
+ if (f == 0)
{
- s = selected_screen;
+ f = selected_frame;
/* If not within an update,
- output at the screen's visible cursor. */
- curs_x = s->cursor_x;
- curs_y = s->cursor_y;
+ output at the frame's visible cursor. */
+ curs_x = f->cursor_x;
+ curs_y = f->cursor_y;
}
- dumpglyphs (s,
- (curs_x * FONT_WIDTH (s->display.x->font)
- + s->display.x->internal_border_width),
- (curs_y * FONT_HEIGHT (s->display.x->font)
- + s->display.x->internal_border_width),
- start, len, highlight, s->display.x->font);
+ dumpglyphs (f,
+ CHAR_TO_PIXEL_COL (f, curs_x),
+ CHAR_TO_PIXEL_ROW (f, curs_y),
+ start, len, highlight, f->display.x->font);
/* If we drew on top of the cursor, note that it is turned off. */
- if (curs_y == s->phys_cursor_y
- && curs_x <= s->phys_cursor_x
- && curs_x + len > s->phys_cursor_x)
- s->phys_cursor_x = -1;
+ if (curs_y == f->phys_cursor_y
+ && curs_x <= f->phys_cursor_x
+ && curs_x + len > f->phys_cursor_x)
+ f->phys_cursor_x = -1;
- if (updating_screen == 0)
+ if (updating_frame == 0)
{
- s->cursor_x += len;
- x_display_cursor (s, 1);
- s->cursor_x -= len;
+ f->cursor_x += len;
+ x_display_cursor (f, 1);
+ f->cursor_x -= len;
}
else
curs_x += len;
UNBLOCK_INPUT;
}
\f
-/* Erase the current text line from the nominal cursor position (inclusive)
+/* Clear to the end of the line.
+ Erase the current text line from the nominal cursor position (inclusive)
to column FIRST_UNUSED (exclusive). The idea is that everything
from FIRST_UNUSED onward is already erased. */
-static
+static int
XTclear_end_of_line (first_unused)
register int first_unused;
{
- struct screen *s = updating_screen;
+ struct frame *f = updating_frame;
int mask;
- if (s == 0)
+ if (f == 0)
abort ();
- if (curs_y < 0 || curs_y >= s->height)
+ if (curs_y < 0 || curs_y >= f->height)
return;
if (first_unused <= 0)
return;
- if (first_unused >= s->width)
- first_unused = s->width;
+ if (first_unused >= f->width)
+ first_unused = f->width;
BLOCK_INPUT;
/* Notice if the cursor will be cleared by this operation. */
- if (curs_y == s->phys_cursor_y
- && curs_x <= s->phys_cursor_x
- && s->phys_cursor_x < first_unused)
- s->phys_cursor_x = -1;
+ if (curs_y == f->phys_cursor_y
+ && curs_x <= f->phys_cursor_x
+ && f->phys_cursor_x < first_unused)
+ f->phys_cursor_x = -1;
#ifdef HAVE_X11
- XClearArea (x_current_display, s->display.x->window_desc,
- curs_x * FONT_WIDTH (s->display.x->font)
- + s->display.x->internal_border_width,
- curs_y * FONT_HEIGHT (s->display.x->font)
- + s->display.x->internal_border_width,
- FONT_WIDTH (s->display.x->font) * (first_unused - curs_x),
- FONT_HEIGHT (s->display.x->font), False);
+ XClearArea (x_current_display, FRAME_X_WINDOW (f),
+ CHAR_TO_PIXEL_COL (f, curs_x),
+ CHAR_TO_PIXEL_ROW (f, curs_y),
+ FONT_WIDTH (f->display.x->font) * (first_unused - curs_x),
+ FONT_HEIGHT (f->display.x->font), False);
-#else
- XPixSet (s->display.x->window_desc,
- curs_x * FONT_WIDTH (s->display.x->font) + s->display.x->internal_border_width,
- curs_y * FONT_HEIGHT (s->display.x->font) + s->display.x->internal_border_width,
- FONT_WIDTH (s->display.x->font) * (first_unused - curs_x),
- FONT_HEIGHT (s->display.x->font),
- s->display.x->background_pixel);
-#endif /* HAVE_X11 */
+#else /* ! defined (HAVE_X11) */
+ XPixSet (FRAME_X_WINDOW (f),
+ CHAR_TO_PIXEL_COL (f, curs_x),
+ CHAR_TO_PIXEL_ROW (f, curs_y),
+ FONT_WIDTH (f->display.x->font) * (first_unused - curs_x),
+ FONT_HEIGHT (f->display.x->font),
+ f->display.x->background_pixel);
+#endif /* ! defined (HAVE_X11) */
UNBLOCK_INPUT;
}
static
-XTclear_screen ()
+XTclear_frame ()
{
int mask;
- struct screen *s = updating_screen;
+ struct frame *f = updating_frame;
- if (s == 0)
- s = selected_screen;
+ if (f == 0)
+ f = selected_frame;
- s->phys_cursor_x = -1; /* Cursor not visible. */
+ f->phys_cursor_x = -1; /* Cursor not visible. */
curs_x = 0; /* Nominal cursor position is top left. */
curs_y = 0;
BLOCK_INPUT;
- XClear (s->display.x->window_desc);
+
+ XClear (FRAME_X_WINDOW (f));
+
+ /* We have to clear the scroll bars, too. If we have changed
+ colors or something like that, then they should be notified. */
+ x_scroll_bar_clear (f);
+
#ifndef HAVE_X11
- dumpborder (s, 0);
-#endif
+ dumpborder (f, 0);
+#endif /* HAVE_X11 */
+
XFlushQueue ();
UNBLOCK_INPUT;
}
\f
-/* Paint horzontal bars down the screen for a visible bell.
- Note that this may be way too slow on some machines. */
+/* Invert the middle quarter of the frame for .15 sec. */
+
+/* We use the select system call to do the waiting, so we have to make sure
+ it's avaliable. If it isn't, we just won't do visual bells. */
+#if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT)
+
+/* Subtract the `struct timeval' values X and Y,
+ storing the result in RESULT.
+ Return 1 if the difference is negative, otherwise 0. */
-XTflash (s)
- struct screen *s;
+static int
+timeval_subtract (result, x, y)
+ struct timeval *result, x, y;
{
- register struct screen_glyphs *active_screen = SCREEN_CURRENT_GLYPHS (s);
- register int i;
- int x, y;
+ /* Perform the carry for the later subtraction by updating y.
+ This is safer because on some systems
+ the tv_sec member is unsigned. */
+ if (x.tv_usec < y.tv_usec)
+ {
+ int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1;
+ y.tv_usec -= 1000000 * nsec;
+ y.tv_sec += nsec;
+ }
+ if (x.tv_usec - y.tv_usec > 1000000)
+ {
+ int nsec = (y.tv_usec - x.tv_usec) / 1000000;
+ y.tv_usec += 1000000 * nsec;
+ y.tv_sec -= nsec;
+ }
- if (updating_screen != 0)
- abort ();
+ /* Compute the time remaining to wait. tv_usec is certainly positive. */
+ result->tv_sec = x.tv_sec - y.tv_sec;
+ result->tv_usec = x.tv_usec - y.tv_usec;
+
+ /* Return indication of whether the result should be considered negative. */
+ return x.tv_sec < y.tv_sec;
+}
+XTflash (f)
+ struct frame *f;
+{
BLOCK_INPUT;
-#ifdef HAVE_X11
-#if 0
- for (i = s->height * FONT_HEIGHT (s->display.x->font) - 10;
- i >= 0;
- i -= 100) /* Should be NO LOWER than 75 for speed reasons. */
- XFillRectangle (x_current_display, s->display.x->window_desc,
- s->display.x->cursor_gc,
- 0, i, s->width * FONT_WIDTH (s->display.x->font)
- + 2 * s->display.x->internal_border_width, 25);
-#endif
- x = (s->width * FONT_WIDTH (s->display.x->font)) / 4;
- y = (s->height * FONT_HEIGHT (s->display.x->font)) / 4;
- XFillRectangle (x_current_display, s->display.x->window_desc,
- s->display.x->cursor_gc,
- x, y, 2 * x, 2 * y);
- dumpglyphs (s, (x + s->display.x->internal_border_width),
- (y + s->display.x->internal_border_width),
- &active_screen->glyphs[(s->height / 4) + 1][(s->width / 4)],
- 1, 0, s->display.x->font);
-
-#else /* X10 */
- for (i = s->height * FONT_HEIGHT (s->display.x->font) - 10;
- i >= 0;
- i -= 50)
- XPixFill (s->display.x->window_desc, 0, i,
- s->width * FONT_WIDTH (s->display.x->font)
- + 2 * s->display.x->internal_border_width, 10,
- WHITE_PIX_DEFAULT, ClipModeClipped, GXinvert, AllPlanes);
-#endif /* X10 */
+ {
+ GC gc;
- XFlushQueue ();
- UNBLOCK_INPUT;
-}
+ /* Create a GC that will use the GXxor function to flip foreground pixels
+ into background pixels. */
+ {
+ XGCValues values;
-/* Flip background and forground colors of the screen. */
+ values.function = GXxor;
+ values.foreground = (f->display.x->foreground_pixel
+ ^ f->display.x->background_pixel);
+
+ gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f),
+ GCFunction | GCForeground, &values);
+ }
-x_invert_screen (s)
- struct screen *s;
-{
-#ifdef HAVE_X11
- GC temp;
- unsigned long pix_temp;
-
- x_display_cursor (s, 0);
- XClearWindow (x_current_display, s->display.x->window_desc);
- temp = s->display.x->normal_gc;
- s->display.x->normal_gc = s->display.x->reverse_gc;
- s->display.x->reverse_gc = temp;
- pix_temp = s->display.x->foreground_pixel;
- s->display.x->foreground_pixel = s->display.x->background_pixel;
- s->display.x->background_pixel = pix_temp;
-
- XSetWindowBackground (x_current_display, s->display.x->window_desc,
- s->display.x->background_pixel);
- if (s->display.x->background_pixel == s->display.x->cursor_pixel)
{
- s->display.x->cursor_pixel = s->display.x->foreground_pixel;
- XSetBackground (x_current_display, s->display.x->cursor_gc,
- s->display.x->cursor_pixel);
- XSetForeground (x_current_display, s->display.x->cursor_gc,
- s->display.x->background_pixel);
+ int width = PIXEL_WIDTH (f);
+ int height = PIXEL_HEIGHT (f);
+
+ XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc,
+ width/4, height/4, width/2, height/2);
+ XFlush (x_current_display);
+
+ {
+ struct timeval wakeup, now;
+
+ gettimeofday (&wakeup, (struct timezone *) 0);
+
+ /* Compute time to wait until, propagating carry from usecs. */
+ wakeup.tv_usec += 150000;
+ wakeup.tv_sec += (wakeup.tv_usec / 1000000);
+ wakeup.tv_usec %= 1000000;
+
+ /* Keep waiting until past the time wakeup. */
+ while (1)
+ {
+ struct timeval timeout;
+
+ gettimeofday (&timeout, (struct timezone *)0);
+
+ /* In effect, timeout = wakeup - timeout.
+ Break if result would be negative. */
+ if (timeval_subtract (&timeout, wakeup, timeout))
+ break;
+
+ /* Try to wait that long--but we might wake up sooner. */
+ select (0, 0, 0, 0, &timeout);
+ }
+ }
+
+ XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc,
+ width/4, height/4, width/2, height/2);
+ XFreeGC (x_current_display, gc);
+ XFlush (x_current_display);
}
- redraw_screen (s);
-#endif /* X11 */
+ }
+
+ UNBLOCK_INPUT;
}
+#endif
+
+
/* Make audible bell. */
#ifdef HAVE_X11
#define XRINGBELL XBell(x_current_display, 0)
-#else
+#else /* ! defined (HAVE_X11) */
#define XRINGBELL XFeep(0);
-#endif
+#endif /* ! defined (HAVE_X11) */
XTring_bell ()
{
+#if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT)
if (visible_bell)
-#if 0
- XTflash (selected_screen);
-#endif
- {
- x_invert_screen (selected_screen);
- x_invert_screen (selected_screen);
- }
+ XTflash (selected_frame);
else
+#endif
{
BLOCK_INPUT;
XRINGBELL;
}
}
\f
-/* Insert and delete character are not supposed to be used
- because we are supposed to turn off the feature of using them. */
+/* Insert and delete character.
+ These are not supposed to be used because we are supposed to turn
+ off the feature of using them. */
static
XTinsert_glyphs (start, len)
XTset_terminal_window (n)
register int n;
{
- if (updating_screen == 0)
+ if (updating_frame == 0)
abort ();
- if ((n <= 0) || (n > updating_screen->height))
- flexlines = updating_screen->height;
+ if ((n <= 0) || (n > updating_frame->height))
+ flexlines = updating_frame->height;
else
flexlines = n;
}
\f
-/* Perform an insert-lines operation, inserting N lines
- at a vertical position curs_y. */
+/* Perform an insert-lines operation.
+ Insert N lines at a vertical position curs_y. */
static void
stufflines (n)
{
register int topregion, bottomregion;
register int length, newtop, mask;
- register struct screen *s = updating_screen;
- int intborder = s->display.x->internal_border_width;
+ register struct frame *f = updating_frame;
+ int intborder = f->display.x->internal_border_width;
if (curs_y >= flexlines)
return;
#ifndef HAVE_X11
dumpqueue ();
-#endif
+#endif /* HAVE_X11 */
if ((length > 0) && (newtop <= flexlines))
{
#ifdef HAVE_X11
- XCopyArea (x_current_display, s->display.x->window_desc,
- s->display.x->window_desc, s->display.x->normal_gc,
- intborder, topregion * FONT_HEIGHT (s->display.x->font) + intborder,
- s->width * FONT_WIDTH (s->display.x->font),
- length * FONT_HEIGHT (s->display.x->font), intborder,
- newtop * FONT_HEIGHT (s->display.x->font) + intborder);
-#else
- XMoveArea (s->display.x->window_desc,
- intborder, topregion * FONT_HEIGHT (s->display.x->font) + intborder,
- intborder, newtop * FONT_HEIGHT (s->display.x->font) + intborder,
- s->width * FONT_WIDTH (s->display.x->font),
- length * FONT_HEIGHT (s->display.x->font));
+ XCopyArea (x_current_display, FRAME_X_WINDOW (f),
+ FRAME_X_WINDOW (f), f->display.x->normal_gc,
+ intborder, CHAR_TO_PIXEL_ROW (f, topregion),
+ f->width * FONT_WIDTH (f->display.x->font),
+ length * FONT_HEIGHT (f->display.x->font), intborder,
+ CHAR_TO_PIXEL_ROW (f, newtop));
+#else /* ! defined (HAVE_X11) */
+ XMoveArea (FRAME_X_WINDOW (f),
+ intborder, CHAR_TO_PIXEL_ROW (f, topregion),
+ intborder, CHAR_TO_PIXEL_ROW (f, newtop),
+ f->width * FONT_WIDTH (f->display.x->font),
+ length * FONT_HEIGHT (f->display.x->font));
/* Now we must process any ExposeRegion events that occur
if the area being copied from is obscured.
We can't let it wait because further i/d operations
may want to copy this area to another area. */
x_read_exposes ();
-#endif /* HAVE_X11 */
+#endif /* ! defined (HAVE_X11) */
}
newtop = min (newtop, (flexlines - 1));
if (length > 0)
{
#ifdef HAVE_X11
- XClearArea (x_current_display, s->display.x->window_desc, intborder,
- topregion * FONT_HEIGHT (s->display.x->font) + intborder,
- s->width * FONT_WIDTH (s->display.x->font),
- n * FONT_HEIGHT (s->display.x->font), False);
-#else
- XPixSet (s->display.x->window_desc,
+ XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder,
+ CHAR_TO_PIXEL_ROW (f, topregion),
+ f->width * FONT_WIDTH (f->display.x->font),
+ n * FONT_HEIGHT (f->display.x->font), False);
+#else /* ! defined (HAVE_X11) */
+ XPixSet (FRAME_X_WINDOW (f),
intborder,
- topregion * FONT_HEIGHT (s->display.x->font) + intborder,
- s->width * FONT_WIDTH (s->display.x->font),
- n * FONT_HEIGHT (s->display.x->font),
- s->display.x->background_pixel);
-#endif /* HAVE_X11 */
+ CHAR_TO_PIXEL_ROW (f, topregion),
+ f->width * FONT_WIDTH (f->display.x->font),
+ n * FONT_HEIGHT (f->display.x->font),
+ f->display.x->background_pixel);
+#endif /* ! defined (HAVE_X11) */
}
}
register int n;
{
int mask;
- register struct screen *s = updating_screen;
- int intborder = s->display.x->internal_border_width;
+ register struct frame *f = updating_frame;
+ int intborder = f->display.x->internal_border_width;
if (curs_y >= flexlines)
return;
#ifndef HAVE_X11
dumpqueue ();
-#endif
+#endif /* HAVE_X11 */
if ((curs_y + n) >= flexlines)
{
if (flexlines >= (curs_y + 1))
{
#ifdef HAVE_X11
- XClearArea (x_current_display, s->display.x->window_desc, intborder,
- curs_y * FONT_HEIGHT (s->display.x->font) + intborder,
- s->width * FONT_WIDTH (s->display.x->font),
- (flexlines - curs_y) * FONT_HEIGHT (s->display.x->font), False);
-#else
- XPixSet (s->display.x->window_desc,
- intborder, curs_y * FONT_HEIGHT (s->display.x->font) + intborder,
- s->width * FONT_WIDTH (s->display.x->font),
- (flexlines - curs_y) * FONT_HEIGHT (s->display.x->font),
- s->display.x->background_pixel);
-#endif /* HAVE_X11 */
+ XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder,
+ CHAR_TO_PIXEL_ROW (f, curs_y),
+ f->width * FONT_WIDTH (f->display.x->font),
+ (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), False);
+#else /* ! defined (HAVE_X11) */
+ XPixSet (FRAME_X_WINDOW (f),
+ intborder, CHAR_TO_PIXEL_ROW (f, curs_y),
+ f->width * FONT_WIDTH (f->display.x->font),
+ (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font),
+ f->display.x->background_pixel);
+#endif /* ! defined (HAVE_X11) */
}
}
else
{
#ifdef HAVE_X11
- XCopyArea (x_current_display, s->display.x->window_desc,
- s->display.x->window_desc, s->display.x->normal_gc,
+ XCopyArea (x_current_display, FRAME_X_WINDOW (f),
+ FRAME_X_WINDOW (f), f->display.x->normal_gc,
intborder,
- (curs_y + n) * FONT_HEIGHT (s->display.x->font) + intborder,
- s->width * FONT_WIDTH (s->display.x->font),
- (flexlines - (curs_y + n)) * FONT_HEIGHT (s->display.x->font),
- intborder, curs_y * FONT_HEIGHT (s->display.x->font) + intborder);
- XClearArea (x_current_display, s->display.x->window_desc,
+ CHAR_TO_PIXEL_ROW (f, curs_y + n),
+ f->width * FONT_WIDTH (f->display.x->font),
+ (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font),
+ intborder, CHAR_TO_PIXEL_ROW (f, curs_y));
+ XClearArea (x_current_display, FRAME_X_WINDOW (f),
intborder,
- (flexlines - n) * FONT_HEIGHT (s->display.x->font) + intborder,
- s->width * FONT_WIDTH (s->display.x->font),
- n * FONT_HEIGHT (s->display.x->font), False);
-#else
- XMoveArea (s->display.x->window_desc,
+ CHAR_TO_PIXEL_ROW (f, flexlines - n),
+ f->width * FONT_WIDTH (f->display.x->font),
+ n * FONT_HEIGHT (f->display.x->font), False);
+#else /* ! defined (HAVE_X11) */
+ XMoveArea (FRAME_X_WINDOW (f),
intborder,
- (curs_y + n) * FONT_HEIGHT (s->display.x->font) + intborder,
- intborder, curs_y * FONT_HEIGHT (s->display.x->font) + intborder,
- s->width * FONT_WIDTH (s->display.x->font),
- (flexlines - (curs_y + n)) * FONT_HEIGHT (s->display.x->font));
+ CHAR_TO_PIXEL_ROW (f, curs_y + n),
+ intborder, CHAR_TO_PIXEL_ROW (f, curs_y),
+ f->width * FONT_WIDTH (f->display.x->font),
+ (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font));
/* Now we must process any ExposeRegion events that occur
if the area being copied from is obscured.
We can't let it wait because further i/d operations
may want to copy this area to another area. */
x_read_exposes ();
- XPixSet (s->display.x->window_desc, intborder,
- (flexlines - n) * FONT_HEIGHT (s->display.x->font) + intborder,
- s->width * FONT_WIDTH (s->display.x->font),
- n * FONT_HEIGHT (s->display.x->font), s->display.x->background_pixel);
-#endif /* HAVE_X11 */
+ XPixSet (FRAME_X_WINDOW (f), intborder,
+ CHAR_TO_PIXEL_ROW (f, flexlines - n),
+ f->width * FONT_WIDTH (f->display.x->font),
+ n * FONT_HEIGHT (f->display.x->font), f->display.x->background_pixel);
+#endif /* ! defined (HAVE_X11) */
}
}
XTins_del_lines (vpos, n)
int vpos, n;
{
- if (updating_screen == 0)
+ if (updating_frame == 0)
abort ();
/* Hide the cursor. */
- x_display_cursor (updating_screen, 0);
+ x_display_cursor (updating_frame, 0);
XTcursor_to (vpos, 0);
UNBLOCK_INPUT;
}
\f
+/* Support routines for exposure events. */
static void clear_cursor ();
-/* Output into a rectangle of an X-window (for screen S)
- the characters in s->phys_lines that overlap that rectangle.
+/* Output into a rectangle of an X-window (for frame F)
+ the characters in f->phys_lines that overlap that rectangle.
TOP and LEFT are the position of the upper left corner of the rectangle.
ROWS and COLS are the size of the rectangle. */
static void
-dumprectangle (s, left, top, cols, rows)
- struct screen *s;
+dumprectangle (f, left, top, cols, rows)
+ struct frame *f;
register int left, top, cols, rows;
{
- register struct screen_glyphs *active_screen = SCREEN_CURRENT_GLYPHS (s);
+ register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f);
int cursor_cleared = 0;
int bottom, right;
register int y;
- if (SCREEN_GARBAGED_P (s))
+ if (FRAME_GARBAGED_P (f))
return;
- top -= s->display.x->internal_border_width;
- left -= s->display.x->internal_border_width;
-
/* Express rectangle as four edges, instead of position-and-size. */
bottom = top + rows;
right = left + cols;
#ifndef HAVE_X11 /* Window manger does this for X11. */
- /* If the rectangle includes any of the internal border area,
- redisplay the border emphasis. */
- if (top < 0 || left < 0
- || bottom > s->height * FONT_HEIGHT (s->display.x->font)
- || right > s->width * FONT_WIDTH (s->display.x->font))
- dumpborder (s, 0);
-#endif /* HAVE_X11 */
+ {
+ int intborder = f->display.x->internal_border_width;
+
+ /* If the rectangle includes any of the internal border area,
+ redisplay the border emphasis. */
+ if (top < intborder || left < intborder
+ || bottom > intborder + f->height * FONT_HEIGHT (f->display.x->font)
+ || right > intborder + f->width * FONT_WIDTH (f->display.x->font))
+ dumpborder (f, 0);
+ }
+#endif /* HAVE_X11 /* Window manger does this for X11. */ */
/* Convert rectangle edges in pixels to edges in chars.
Round down for left and top, up for right and bottom. */
- top /= FONT_HEIGHT (s->display.x->font);
- left /= FONT_WIDTH (s->display.x->font);
- bottom += (FONT_HEIGHT (s->display.x->font) - 1);
- right += (FONT_WIDTH (s->display.x->font) - 1);
- bottom /= FONT_HEIGHT (s->display.x->font);
- right /= FONT_WIDTH (s->display.x->font);
+ top = PIXEL_TO_CHAR_ROW (f, top);
+ left = PIXEL_TO_CHAR_COL (f, left);
+ bottom += (FONT_HEIGHT (f->display.x->font) - 1);
+ right += (FONT_WIDTH (f->display.x->font) - 1);
+ bottom = PIXEL_TO_CHAR_ROW (f, bottom);
+ right = PIXEL_TO_CHAR_COL (f, right);
/* Clip the rectangle to what can be visible. */
if (left < 0)
left = 0;
if (top < 0)
top = 0;
- if (right > s->width)
- right = s->width;
- if (bottom > s->height)
- bottom = s->height;
+ if (right > f->width)
+ right = f->width;
+ if (bottom > f->height)
+ bottom = f->height;
/* Get size in chars of the rectangle. */
cols = right - left;
/* Turn off the cursor if it is in the rectangle.
We will turn it back on afterward. */
- if ((s->phys_cursor_x >= left) && (s->phys_cursor_x < right)
- && (s->phys_cursor_y >= top) && (s->phys_cursor_y < bottom))
+ if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right)
+ && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom))
{
- clear_cursor (s);
+ clear_cursor (f);
cursor_cleared = 1;
}
for (y = top; y < bottom; y++)
{
- GLYPH *line = &active_screen->glyphs[y][left];
+ GLYPH *line = &active_frame->glyphs[y][left];
- if (! active_screen->enable[y] || left > active_screen->used[y])
+ if (! active_frame->enable[y] || left > active_frame->used[y])
continue;
- dumpglyphs (s,
- (left * FONT_WIDTH (s->display.x->font)
- + s->display.x->internal_border_width),
- (y * FONT_HEIGHT (s->display.x->font)
- + s->display.x->internal_border_width),
- line, min (cols, active_screen->used[y] - left),
- active_screen->highlight[y], s->display.x->font);
+ dumpglyphs (f,
+ CHAR_TO_PIXEL_COL (f, left),
+ CHAR_TO_PIXEL_ROW (f, y),
+ line, min (cols, active_frame->used[y] - left),
+ active_frame->highlight[y], f->display.x->font);
}
/* Turn the cursor on if we turned it off. */
if (cursor_cleared)
- x_display_cursor (s, 1);
+ x_display_cursor (f, 1);
}
#ifndef HAVE_X11
while (dequeue_event (&r, &x_expose_queue))
{
- struct screen *s = x_window_to_screen (r.window);
- if (s->display.x->icon_desc == r.window)
- refreshicon (s);
+ struct frame *f = x_window_to_frame (r.window);
+ if (f->display.x->icon_desc == r.window)
+ refreshicon (f);
else
- dumprectangle (s, r.x, r.y, r.width, r.height);
+ dumprectangle (f, r.x, r.y, r.width, r.height);
}
XFlushQueue ();
}
-#endif
+#endif /* HAVE_X11 */
\f
-/* Process all expose events that are pending.
- Redraws the cursor if necessary on any screen that
- is not in the process of being updated with update_screen. */
+/* Process all expose events that are pending, for X10.
+ Redraws the cursor if necessary on any frame that
+ is not in the process of being updated with update_frame. */
+#ifndef HAVE_X11
static void
x_do_pending_expose ()
{
int mask;
- struct screen *s;
- Lisp_Object tail, screen;
+ struct frame *f;
+ Lisp_Object tail, frame;
if (expose_all_windows)
{
expose_all_windows = 0;
- for (tail = Vscreen_list; CONSP (tail); tail = XCONS (tail)->cdr)
+ for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr)
{
register int temp_width, temp_height;
int intborder;
- screen = XCONS (tail)->car;
- if (XTYPE (screen) != Lisp_Screen)
+ frame = XCONS (tail)->car;
+ if (XGCTYPE (frame) != Lisp_Frame)
continue;
- s = XSCREEN (screen);
- if (! SCREEN_IS_X (s))
+ f = XFRAME (frame);
+ if (! FRAME_X_P (f))
continue;
- if (!s->visible)
+ if (!f->async_visible)
continue;
- if (!s->display.x->needs_exposure)
+ if (!f->display.x->needs_exposure)
continue;
- intborder = s->display.x->internal_border_width;
+ intborder = f->display.x->internal_border_width;
- clear_cursor (s);
- XGetWindowInfo (s->display.x->window_desc, &windowinfo);
+ clear_cursor (f);
+ XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo);
temp_width = ((windowinfo.width - 2 * intborder
- - s->display.x->v_scrollbar_width)
- / FONT_WIDTH (s->display.x->font));
+ - f->display.x->v_scroll_bar_width)
+ / FONT_WIDTH (f->display.x->font));
temp_height = ((windowinfo.height- 2 * intborder
- - s->display.x->h_scrollbar_height)
- / FONT_HEIGHT (s->display.x->font));
- if (temp_width != s->width || temp_height != s->height)
+ - f->display.x->h_scroll_bar_height)
+ / FONT_HEIGHT (f->display.x->font));
+ if (temp_width != f->width || temp_height != f->height)
{
- change_screen_size (s, max (1, temp_height),
- max (1, temp_width), 0);
- x_resize_scrollbars (s);
+ change_frame_size (f, max (1, temp_height),
+ max (1, temp_width), 0, 1);
+ x_resize_scroll_bars (f);
}
- s->display.x->left_pos = windowinfo.x;
- s->display.x->top_pos = windowinfo.y;
- dumprectangle (s, 0, 0, PIXEL_WIDTH (s), PIXEL_HEIGHT (s));
+ f->display.x->left_pos = windowinfo.x;
+ f->display.x->top_pos = windowinfo.y;
+ dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f));
#if 0
- dumpborder (s, 0);
-#endif
- s->display.x->needs_exposure = 0;
- if (updating_screen != s)
- x_display_cursor (s, 1);
+ dumpborder (f, 0);
+#endif /* ! 0 */
+ f->display.x->needs_exposure = 0;
+ if (updating_frame != f)
+ x_display_cursor (f, 1);
XFlushQueue ();
}
}
for various windows. */
#ifdef HAVE_X11
;
-#else
+#else /* ! defined (HAVE_X11) */
dumpqueue ();
-#endif
+#endif /* ! defined (HAVE_X11) */
}
+#endif
#ifdef HAVE_X11
static void
-screen_highlight (screen)
- struct screen *screen;
+frame_highlight (frame)
+ struct frame *frame;
{
if (! EQ (Vx_no_window_manager, Qnil))
- XSetWindowBorder (x_current_display, screen->display.x->window_desc,
- screen->display.x->border_pixel);
- x_display_cursor (screen, 1);
+ XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame),
+ frame->display.x->border_pixel);
+ x_display_cursor (frame, 1);
}
static void
-screen_unhighlight (screen)
- struct screen *screen;
+frame_unhighlight (frame)
+ struct frame *frame;
{
if (! EQ (Vx_no_window_manager, Qnil))
- XSetWindowBorderPixmap (x_current_display, screen->display.x->window_desc,
- screen->display.x->border_tile);
- x_display_cursor (screen, 1);
+ XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame),
+ frame->display.x->border_tile);
+ x_display_cursor (frame, 1);
}
-#else /* X10 */
-/* Dump the border-emphasis of screen S.
- If S is selected, this is a lining of the same color as the border,
+#else /* ! defined (HAVE_X11) */
+/* Dump the border-emphasis of frame F.
+ If F is selected, this is a lining of the same color as the border,
just within the border, occupying a portion of the internal border.
- If S is not selected, it is background in the same place.
+ If F is not selected, it is background in the same place.
If ALWAYS is 0, don't bother explicitly drawing if it's background.
- ALWAYS = 1 is used when a screen becomes selected or deselected.
+ ALWAYS = 1 is used when a frame becomes selected or deselected.
In that case, we also turn the cursor off and on again
so it will appear in the proper shape (solid if selected; else hollow.) */
static void
-dumpborder (s, always)
- struct screen *s;
+dumpborder (f, always)
+ struct frame *f;
int always;
{
- int thickness = s->display.x->internal_border_width / 2;
- int width = PIXEL_WIDTH (s);
- int height = PIXEL_HEIGHT (s);
+ int thickness = f->display.x->internal_border_width / 2;
+ int width = PIXEL_WIDTH (f);
+ int height = PIXEL_HEIGHT (f);
int pixel;
- if (s != selected_screen)
+ if (f != selected_frame)
{
if (!always)
return;
- pixel = s->display.x->background_pixel;
+ pixel = f->display.x->background_pixel;
}
else
{
- pixel = s->display.x->border_pixel;
+ pixel = f->display.x->border_pixel;
}
- XPixSet (s->display.x->window_desc, 0, 0, width, thickness, pixel);
- XPixSet (s->display.x->window_desc, 0, 0, thickness, height, pixel);
- XPixSet (s->display.x->window_desc, 0, height - thickness, width,
+ XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel);
+ XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel);
+ XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width,
thickness, pixel);
- XPixSet (s->display.x->window_desc, width - thickness, 0, thickness,
+ XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness,
height, pixel);
if (always)
- x_display_cursor (s, 1);
+ x_display_cursor (f, 1);
}
-#endif /* X10 */
+#endif /* ! defined (HAVE_X11) */
-static void XTscreen_rehighlight ();
+static void XTframe_rehighlight ();
-/* The focus has changed. Update the screens as necessary to reflect
- the new situation. Note that we can't change the selected screen
+/* The focus has changed. Update the frames as necessary to reflect
+ the new situation. Note that we can't change the selected frame
here, because the lisp code we are interrupting might become confused.
- Each event gets marked with the screen in which it occured, so the
+ Each event gets marked with the frame in which it occured, so the
lisp code can tell when the switch took place by examining the events. */
static void
-x_new_focus_screen (screen)
- struct screen *screen;
+x_new_focus_frame (frame)
+ struct frame *frame;
{
- struct screen *old_focus = x_focus_screen;
+ struct frame *old_focus = x_focus_frame;
int events_enqueued = 0;
- if (screen != x_focus_screen)
+ if (frame != x_focus_frame)
{
/* Set this before calling other routines, so that they see
- the correct value of x_focus_screen. */
- x_focus_screen = screen;
+ the correct value of x_focus_frame. */
+ x_focus_frame = frame;
if (old_focus && old_focus->auto_lower)
- x_lower_screen (old_focus);
+ x_lower_frame (old_focus);
#if 0
- selected_screen = screen;
- XSET (XWINDOW (selected_screen->selected_window)->screen,
- Lisp_Screen, selected_screen);
- Fselect_window (selected_screen->selected_window);
- choose_minibuf_screen ();
-#endif
-
- if (x_focus_screen && x_focus_screen->auto_raise)
- x_raise_screen (x_focus_screen);
+ selected_frame = frame;
+ XSET (XWINDOW (selected_frame->selected_window)->frame,
+ Lisp_Frame, selected_frame);
+ Fselect_window (selected_frame->selected_window);
+ choose_minibuf_frame ();
+#endif /* ! 0 */
+
+ if (x_focus_frame && x_focus_frame->auto_raise)
+ x_raise_frame (x_focus_frame);
}
- XTscreen_rehighlight ();
+ XTframe_rehighlight ();
}
-/* The focus has changed, or we have make a screen's selected window
- point to a window on a different screen (this happens with global
- minibuffer screens). Shift the highlight as appropriate. */
+/* The focus has changed, or we have redirected a frame's focus to
+ another frame (this happens when a frame uses a surrogate
+ minibuffer frame). Shift the highlight as appropriate. */
static void
-XTscreen_rehighlight ()
+XTframe_rehighlight ()
{
- struct screen *old_highlight = x_highlight_screen;
+ struct frame *old_highlight = x_highlight_frame;
- if (x_focus_screen)
+ if (x_focus_frame)
{
- x_highlight_screen = XSCREEN (SCREEN_FOCUS_SCREEN (x_focus_screen));
- if (x_highlight_screen->display.nothing == 0)
- XSET (SCREEN_FOCUS_SCREEN (x_focus_screen), Lisp_Screen,
- (x_highlight_screen = x_focus_screen));
+ x_highlight_frame =
+ ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame)
+ ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame))
+ : x_focus_frame);
+ if (! FRAME_LIVE_P (x_highlight_frame))
+ {
+ FRAME_FOCUS_FRAME (x_focus_frame) = Qnil;
+ x_highlight_frame = x_focus_frame;
+ }
}
else
- x_highlight_screen = 0;
+ x_highlight_frame = 0;
- if (x_highlight_screen != old_highlight)
+ if (x_highlight_frame != old_highlight)
{
if (old_highlight)
- screen_unhighlight (old_highlight);
- if (x_highlight_screen)
- screen_highlight (x_highlight_screen);
+ frame_unhighlight (old_highlight);
+ if (x_highlight_frame)
+ frame_highlight (x_highlight_frame);
}
}
\f
-enum window_type
-{
- no_window,
- scrollbar_window,
- text_window,
-};
-
-/* Symbol returned in input stream to indicate mouse movement. */
-Lisp_Object Qmouse_moved;
-
-/* Position of the mouse in characters */
-unsigned int x_mouse_x, x_mouse_y;
-
-/* Emacs window the mouse is in, if any. */
-extern Lisp_Object Vmouse_window;
-
-/* Offset in buffer of character under the pointer, or 0. */
-extern int mouse_buffer_offset;
+/* Mouse clicks and mouse movement. Rah. */
+#ifdef HAVE_X11
-/* Part of the screen the mouse is in. */
-extern Lisp_Object Vmouse_screen_part;
+/* Given a pixel position (PIX_X, PIX_Y) on the frame F, return
+ glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle
+ that the glyph at X, Y occupies, if BOUNDS != 0. */
+static void
+pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds)
+ FRAME_PTR f;
+ register unsigned int pix_x, pix_y;
+ register int *x, *y;
+ XRectangle *bounds;
+{
+ pix_x = PIXEL_TO_CHAR_COL (f, pix_x);
+ pix_y = PIXEL_TO_CHAR_ROW (f, pix_y);
-extern int buffer_posn_from_coords ();
+ if (bounds)
+ {
+ bounds->width = FONT_WIDTH (f->display.x->font);
+ bounds->height = FONT_HEIGHT (f->display.x->font);
+ bounds->x = CHAR_TO_PIXEL_COL (f, pix_x);
+ bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y);
+ }
-/* Symbols from xfns.c to denote the different parts of a window. */
-extern Lisp_Object Qmodeline_part, Qtext_part;
+ if (pix_x < 0) pix_x = 0;
+ else if (pix_x > f->width) pix_x = f->width;
-#if 0
-/* Set *RESULT to an emacs input_event corresponding to MOTION_EVENT.
- S is the screen in which the event occurred.
+ if (pix_y < 0) pix_y = 0;
+ else if (pix_y > f->height) pix_y = f->height;
- WINDOW_TYPE says whether the event happened in a scrollbar window
- or a text window, affecting the format of the event created.
+ *x = pix_x;
+ *y = pix_y;
+}
- PART specifies which part of the scrollbar the event happened in,
- if WINDOW_TYPE == scrollbar_window.
+/* Any buttons grabbed. */
+unsigned int x_mouse_grabbed;
- If the mouse is over the same character as the last time we checked,
- don't return an event; set result->kind to no_event. */
+/* Which modifier keys are on which modifier bits?
+ With each keystroke, X returns eight bits indicating which modifier
+ keys were held down when the key was pressed. The interpretation
+ of the top five modifier bits depends on what keys are attached
+ to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5
+ is the meta bit.
+
+ x_meta_mod_mask is a mask containing the bits used for the meta key.
+ It may have more than one bit set, if more than one modifier bit
+ has meta keys on it. Basically, if EVENT is a KeyPress event,
+ the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0.
+
+ x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the
+ lock modifier bit, or zero otherwise. Non-alphabetic keys should
+ only be affected by the lock modifier bit if XK_Shift_Lock is in
+ use; XK_Caps_Lock should only affect alphabetic keys. With this
+ arrangement, the lock modifier should shift the character if
+ (EVENT.state & x_shift_lock_mask) != 0. */
+static int x_meta_mod_mask, x_shift_lock_mask;
+
+/* These are like x_meta_mod_mask, but for different modifiers. */
+static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask;
+
+/* Initialize mode_switch_bit and modifier_meaning. */
static void
-notice_mouse_movement (result, motion_event, s, window_type, part)
- struct input_event *result;
- XMotionEvent motion_event;
- struct screen *s;
- int window_type;
- Lisp_Object part;
+x_find_modifier_meanings ()
{
- int x, y, root_x, root_y, pix_x, pix_y;
- unsigned int keys_and_buttons;
- Window w, root_window;
-
- /* Unless we decide otherwise below, return a non-event. */
- result->kind = no_event;
+ int min_code, max_code;
+ KeySym *syms;
+ int syms_per_code;
+ XModifierKeymap *mods;
+
+ x_meta_mod_mask = 0;
+ x_shift_lock_mask = 0;
+ x_alt_mod_mask = 0;
+ x_super_mod_mask = 0;
+ x_hyper_mod_mask = 0;
- if (XQueryPointer (x_current_display,
- s->display.x->window_desc,
- &root_window, &w,
- &root_x, &root_y, &pix_x, &pix_y,
- &keys_and_buttons)
- == False)
- return;
-
-#if 0
- if (w == None) /* Mouse no longer in window. */
- return Qnil;
-#endif
-
- pixel_to_glyph_translation (s, pix_x, pix_y, &x, &y);
- if (x == x_mouse_x && y == x_mouse_y)
- return;
-
- x_mouse_x = x;
- x_mouse_y = y;
-
- /* What sort of window are we in now? */
- if (window_type == text_window) /* Text part */
- {
- int modeline_p;
-
- Vmouse_window = window_from_coordinates (s, x, y, &modeline_p);
-
- if (XTYPE (Vmouse_window) == Lisp_Window)
- mouse_buffer_offset
- = buffer_posn_from_coords (XWINDOW (Vmouse_window), x, y);
- else
- mouse_buffer_offset = 0;
-
- if (EQ (Vmouse_window, Qnil))
- Vmouse_screen_part = Qnil;
- else if (modeline_p)
- Vmouse_screen_part = Qmodeline_part;
- else
- Vmouse_screen_part = Qtext_part;
-
- result->kind = window_sys_event;
- result->code = Qmouse_moved;
-
- return;
- }
- else if (window_type == scrollbar_window) /* Scrollbar */
- {
- Vmouse_window = s->selected_window;
- mouse_buffer_offset = 0;
- Vmouse_screen_part = part;
+ XDisplayKeycodes (x_current_display, &min_code, &max_code);
+ syms = XGetKeyboardMapping (x_current_display,
+ min_code, max_code - min_code + 1,
+ &syms_per_code);
+ mods = XGetModifierMapping (x_current_display);
+
+ /* Scan the modifier table to see which modifier bits the Meta and
+ Alt keysyms are on. */
+ {
+ int row, col; /* The row and column in the modifier table. */
- result->kind = window_sys_event;
- result->code = Qmouse_moved;
+ for (row = 3; row < 8; row++)
+ for (col = 0; col < mods->max_keypermod; col++)
+ {
+ KeyCode code =
+ mods->modifiermap[(row * mods->max_keypermod) + col];
- return;
- }
+ /* Are any of this keycode's keysyms a meta key? */
+ {
+ int code_col;
- return;
-}
-#endif
+ for (code_col = 0; code_col < syms_per_code; code_col++)
+ {
+ int sym = syms[((code - min_code) * syms_per_code) + code_col];
-\f
-/* Mouse clicks and mouse movement. Rah. */
-#ifdef HAVE_X11
+ switch (sym)
+ {
+ case XK_Meta_L:
+ case XK_Meta_R:
+ x_meta_mod_mask |= (1 << row);
+ break;
-/* Given a pixel position (PIX_X, PIX_Y) on the screen S, return
- glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle
- that the glyph at X, Y occupies, if BOUNDS != 0. */
-static void
-pixel_to_glyph_coords (s, pix_x, pix_y, x, y, bounds)
- SCREEN_PTR s;
- register unsigned int pix_x, pix_y;
- register int *x, *y;
- XRectangle *bounds;
-{
- int ibw = s->display.x->internal_border_width;
- int width, height;
- FONT_TYPE *font = s->display.x->font;
+ case XK_Alt_L:
+ case XK_Alt_R:
+ x_alt_mod_mask |= (1 << row);
+ break;
- width = FONT_WIDTH (font);
- height = FONT_HEIGHT (font);
+ case XK_Hyper_L:
+ case XK_Hyper_R:
+ x_hyper_mod_mask |= (1 << row);
+ break;
- /* What line is it on? */
- if (pix_y < ibw)
- *y = 0;
- else if (pix_y > s->display.x->pixel_height - ibw)
- *y = SCREEN_HEIGHT (s) - 1;
- else
- *y = (pix_y - ibw) / height;
+ case XK_Super_L:
+ case XK_Super_R:
+ x_super_mod_mask |= (1 << row);
+ break;
- /* And what column? */
- if (pix_x < ibw)
- *x = 0;
- else if (pix_x > s->display.x->pixel_width - ibw)
- *x = SCREEN_WIDTH (s) - 1;
- else
- *x = (pix_x - ibw) / width;
+ case XK_Shift_Lock:
+ /* Ignore this if it's not on the lock modifier. */
+ if ((1 << row) == LockMask)
+ x_shift_lock_mask = LockMask;
+ break;
+ }
+ }
+ }
+ }
+ }
- if (bounds)
+ /* If we couldn't find any meta keys, accept any alt keys as meta keys. */
+ if (! x_meta_mod_mask)
{
- bounds->width = width;
- bounds->height = height;
- bounds->x = ibw + (*x * width);
- bounds->y = ibw + (*y * height);
+ x_meta_mod_mask = x_alt_mod_mask;
+ x_alt_mod_mask = 0;
}
+
+ XFree ((char *) syms);
+ XFreeModifiermap (mods);
}
-/* Any buttons grabbed. */
-unsigned int x_mouse_grabbed;
/* Convert a set of X modifier bits to the proper form for a
struct input_event modifiers value. */
-static Lisp_Object
+static unsigned int
x_convert_modifiers (state)
unsigned int state;
{
- return ( ((state & (ShiftMask | LockMask)) ? shift_modifier : 0)
- | ((state & ControlMask) ? ctrl_modifier : 0)
- | ((state & Mod1Mask) ? meta_modifier : 0));
+ return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0)
+ | ((state & ControlMask) ? ctrl_modifier : 0)
+ | ((state & x_meta_mod_mask) ? meta_modifier : 0)
+ | ((state & x_alt_mod_mask) ? alt_modifier : 0)
+ | ((state & x_super_mod_mask) ? super_modifier : 0)
+ | ((state & x_hyper_mod_mask) ? hyper_modifier : 0));
}
-extern struct screen *x_window_to_scrollbar ();
-extern Lisp_Object Vmouse_event;
-
/* Prepare a mouse-event in *RESULT for placement in the input queue.
If the event is a button press, then note that we have grabbed
- the mouse.
-
- If PART and PREFIX are 0, then the event occurred in the text part;
- otherwise it happened in a scrollbar. */
+ the mouse. */
static Lisp_Object
-construct_mouse_click (result, event, s, part, prefix)
+construct_mouse_click (result, event, f)
struct input_event *result;
XButtonEvent *event;
- struct screen *s;
- int prefix;
- Lisp_Object part;
+ struct frame *f;
{
- /* Initialize those fields text and scrollbar clicks hold in common.
- Make the event type no_event; we'll change that when we decide
+ /* Make the event type no_event; we'll change that when we decide
otherwise. */
- result->kind = no_event;
- XSET (result->code, Lisp_Int, event->button);
- XSET (result->timestamp, Lisp_Int, event->time);
+ result->kind = mouse_click;
+ XSET (result->code, Lisp_Int, event->button - Button1);
+ result->timestamp = event->time;
result->modifiers = (x_convert_modifiers (event->state)
- | (event->type == ButtonRelease ? up_modifier : 0));
- XSET (result->timestamp, Lisp_Int, (event->time & 0x7fffff));
+ | (event->type == ButtonRelease
+ ? up_modifier
+ : down_modifier));
/* Notice if the mouse is still grabbed. */
if (event->type == ButtonPress)
Vmouse_depressed = Qnil;
}
- if (part) /* Scrollbar event */
- {
- int pos, len;
-
- pos = event->y - (s->display.x->v_scrollbar_width - 2);
- XSET (x_mouse_x, Lisp_Int, pos);
- len = ((FONT_HEIGHT (s->display.x->font) * s->height)
- + s->display.x->internal_border_width
- - (2 * (s->display.x->v_scrollbar_width - 2)));
- XSET (x_mouse_y, Lisp_Int, len);
-
- result->kind = scrollbar_click;
- result->part = part;
- XSET (result->x, Lisp_Int, (s->display.x->top_pos - event->y));
- XSET (result->y, Lisp_Int, s->display.x->pixel_height);
- result->screen = s;
- }
- else /* Text Window Event */
- {
- int row, column;
+ {
+ int row, column;
- pixel_to_glyph_coords (s, event->x, event->y, &column, &row, NULL);
- result->kind = mouse_click;
- result->x = column;
- result->y = row;
- result->screen = s;
- }
+ pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL);
+ XFASTINT (result->x) = column;
+ XFASTINT (result->y) = row;
+ XSET (result->frame_or_window, Lisp_Frame, f);
+ }
}
other kinds of events (focus changes and button clicks, for
example), or by XQueryPointer calls; when one of these happens, we
get another MotionNotify event the next time the mouse moves. This
- is at least as efficient than getting motion events when mouse
+ is at least as efficient as getting motion events when mouse
tracking is on, and I suspect only negligibly worse when tracking
is off.
the server, which is very important. */
/* Where the mouse was last time we reported a mouse event. */
-static SCREEN_PTR last_mouse_screen;
+static FRAME_PTR last_mouse_frame;
static XRectangle last_mouse_glyph;
+/* The scroll bar in which the last X motion event occurred.
+
+ If the last X motion event occured in a scroll bar, we set this
+ so XTmouse_position can know whether to report a scroll bar motion or
+ an ordinary motion.
+
+ If the last X motion event didn't occur in a scroll bar, we set this
+ to Qnil, to tell XTmouse_position to return an ordinary motion event. */
+static Lisp_Object last_mouse_scroll_bar;
+
+/* This is a hack. We would really prefer that XTmouse_position would
+ return the time associated with the position it returns, but there
+ doesn't seem to be any way to wrest the timestamp from the server
+ along with the position query. So, we just keep track of the time
+ of the last movement we received, and return that in hopes that
+ it's somewhat accurate. */
+static Time last_mouse_movement_time;
+
/* Function to report a mouse movement to the mainstream Emacs code.
The input handler calls this.
the mainstream emacs code by setting mouse_moved. If not, ask for
another motion event, so we can check again the next time it moves. */
static void
-note_mouse_position (screen, event)
- SCREEN_PTR screen;
+note_mouse_movement (frame, event)
+ FRAME_PTR frame;
XMotionEvent *event;
{
+ last_mouse_movement_time = event->time;
+
/* Has the mouse moved off the glyph it was on at the last sighting? */
if (event->x < last_mouse_glyph.x
|| event->x >= last_mouse_glyph.x + last_mouse_glyph.width
|| event->y < last_mouse_glyph.y
|| event->y >= last_mouse_glyph.y + last_mouse_glyph.height)
- mouse_moved = 1;
+ {
+ mouse_moved = 1;
+ last_mouse_scroll_bar = Qnil;
+ }
else
{
/* It's on the same glyph. Call XQueryPointer so we'll get an
}
}
+static struct scroll_bar *x_window_to_scroll_bar ();
+static void x_scroll_bar_report_motion ();
+
/* Return the current position of the mouse.
+ If the mouse movement started in a scroll bar, set *f, *bar_window,
+ and *part to the frame, window, and scroll bar part that the mouse
+ is over. Set *x and *y to the portion and whole of the mouse's
+ position on the scroll bar.
+
+ If the mouse movement started elsewhere, set *f to the frame the
+ mouse is on, *bar_window to nil, and *x and *y to the character cell
+ the mouse is over.
+
+ Set *time to the server timestamp for the time at which the mouse
+ was at this position.
+
This clears the mouse_moved flag, so we can wait for the next mouse
- position. This also calls XQueryPointer, which will cause the
- server to give us another MotionNotify when the mouse moves again.
- */
+ movement. This also calls XQueryPointer, which will cause the
+ server to give us another MotionNotify when the mouse moves
+ again. */
static void
-XTmouse_position (s, x, y, time)
- SCREEN_PTR *s;
+XTmouse_position (f, bar_window, part, x, y, time)
+ FRAME_PTR *f;
+ Lisp_Object *bar_window;
+ enum scroll_bar_part *part;
Lisp_Object *x, *y;
- Lisp_Object *time;
+ unsigned long *time;
{
- int ix, iy, dummy;
- Display *d = x_current_display;
- Window guess, root, child;
-
BLOCK_INPUT;
- /* I would like to have an X function that just told me the
- innermost window containing the mouse.
-
- /* There doesn't seem to be any way to just get the innermost window
- containing the pointer, no matter what X screen it's on; you have
- to guess a window, and then X will tell you which one of that
- window's children it's in. If the pointer isn't in any of that
- window's children, it gives you a root window that contains it.
-
- So we start with the selected screen's window and chase down
- branches under the guidance of XQueryPointer until we hit a leaf
- (all of the Emacs windows we care about are leaf windows). If at
- any time XQueryPointer returns false, that means that the current
- window does not contain the pointer any more (perhaps it moved),
- so we start with the root window XQueryPointer has given us and
- start again. */
-
- guess = selected_screen->display.x->window_desc;
- for (;;)
- if (XQueryPointer (d, guess, &root, &child,
- &dummy, &dummy, &ix, &iy, (unsigned int *) &dummy))
- {
- if (child == None)
- /* Guess is a leaf window, and it contains the pointer. */
- break;
- else
- guess = child;
- }
- else
- /* When XQueryPointer returns False, the pointer isn't in guess
- anymore, but root is the root window of the screen we should
- try instead. */
- guess = root;
-
- *s = last_mouse_screen = x_window_to_screen (guess);
- if (! *s)
- *x = *y = Qnil;
+ if (! NILP (last_mouse_scroll_bar))
+ x_scroll_bar_report_motion (f, bar_window, part, x, y, time);
else
{
- pixel_to_glyph_coords (*s, ix, iy, &ix, &iy, &last_mouse_glyph);
- XSET (*x, Lisp_Int, ix);
- XSET (*y, Lisp_Int, iy);
- }
+ Window root;
+ int root_x, root_y;
- mouse_moved = 0;
+ Window dummy_window;
+ int dummy;
- /* I don't know how to find the time for the last movement; it seems
- like XQueryPointer ought to return it, but it doesn't. */
- *time = Qnil;
+ mouse_moved = 0;
+ last_mouse_scroll_bar = Qnil;
- UNBLOCK_INPUT;
-}
+ /* Figure out which root window we're on. */
+ XQueryPointer (x_current_display,
+ DefaultRootWindow (x_current_display),
-\f
-static char *events[] =
-{
- "0: ERROR!",
- "1: REPLY",
- "KeyPress",
- "KeyRelease",
- "ButtonPress",
- "ButtonRelease",
- "MotionNotify",
- "EnterNotify",
- "LeaveNotify",
- "FocusIn",
- "FocusOut",
- "KeymapNotify",
- "Expose",
- "GraphicsExpose",
- "NoExpose",
- "VisibilityNotify",
- "CreateNotify",
- "DestroyNotify",
- "UnmapNotify",
- "MapNotify",
- "MapRequest",
- "ReparentNotify",
- "ConfigureNotify",
- "ConfigureRequest",
- "GravityNotify",
- "ResizeRequest",
- "CirculateNotify",
- "CirculateRequest",
- "PropertyNotify",
- "SelectionClear",
- "SelectionRequest",
- "SelectionNotify",
- "ColormapNotify",
- "ClientMessage",
- "MappingNotify",
- "LASTEvent"
-};
-#else /* X10 */
-#define XEvent XKeyPressedEvent
-#endif /* HAVE_X11 */
+ /* The root window which contains the pointer. */
+ &root,
-/* Symbols returned in the input stream to indicate various X events. */
-Lisp_Object Qmouse_click;
-Lisp_Object Qscrollbar_click;
+ /* Trash which we can't trust if the pointer is on
+ a different screen. */
+ &dummy_window,
-/* Timestamp of enter window event. This is only used by XTread_socket,
- but we have to put it out here, since static variables within functions
- sometimes don't work. */
-static Time enter_timestamp;
+ /* The position on that root window. */
+ &root_x, &root_y,
-/* Read events coming from the X server.
- This routine is called by the SIGIO handler.
- We return as soon as there are no more events to be read.
+ /* More trash we can't trust. */
+ &dummy, &dummy,
- Events representing keys are stored in buffer BUFP,
- which can hold up to NUMCHARS characters.
- We return the number of characters stored into the buffer,
- thus pretending to be `read'.
+ /* Modifier keys and pointer buttons, about which
+ we don't care. */
+ (unsigned int *) &dummy);
- WAITP is nonzero if we should block until input arrives.
- EXPECTED is nonzero if the caller knows input is available. */
+ /* Now we have a position on the root; find the innermost window
+ containing the pointer. */
+ {
+ Window win, child;
+ int win_x, win_y;
+ int parent_x, parent_y;
-Lisp_Object
-XTread_socket (sd, bufp, numchars, waitp, expected)
- register int sd;
- register struct input_event *bufp;
- register int numchars;
- int waitp;
- int expected;
-{
- int count = 0;
- int nbytes = 0;
+ win = root;
+ for (;;)
+ {
+ XTranslateCoordinates (x_current_display,
+
+ /* From-window, to-window. */
+ root, win,
+
+ /* From-position, to-position. */
+ root_x, root_y, &win_x, &win_y,
+
+ /* Child of win. */
+ &child);
+
+ if (child == None)
+ break;
+
+ win = child;
+ parent_x = win_x;
+ parent_y = win_y;
+ }
+
+ /* Now we know that:
+ win is the innermost window containing the pointer
+ (XTC says it has no child containing the pointer),
+ win_x and win_y are the pointer's position in it
+ (XTC did this the last time through), and
+ parent_x and parent_y are the pointer's position in win's parent.
+ (They are what win_x and win_y were when win was child.
+ If win is the root window, it has no parent, and
+ parent_{x,y} are invalid, but that's okay, because we'll
+ never use them in that case.) */
+
+ /* Is win one of our frames? */
+ *f = x_window_to_frame (win);
+
+ /* If not, is it one of our scroll bars? */
+ if (! *f)
+ {
+ struct scroll_bar *bar = x_window_to_scroll_bar (win);
+
+ if (bar)
+ {
+ *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)));
+ win_x = parent_x;
+ win_y = parent_y;
+ }
+ }
+
+ if (*f)
+ {
+ pixel_to_glyph_coords (*f, win_x, win_y, &win_x, &win_y,
+ &last_mouse_glyph);
+
+ *bar_window = Qnil;
+ *part = 0;
+ XSET (*x, Lisp_Int, win_x);
+ XSET (*y, Lisp_Int, win_y);
+ *time = last_mouse_movement_time;
+ }
+ }
+ }
+
+ UNBLOCK_INPUT;
+}
+
+#else /* ! defined (HAVE_X11) */
+#define XEvent XKeyPressedEvent
+#endif /* ! defined (HAVE_X11) */
+\f
+/* Scroll bar support. */
+
+/* Given an X window ID, find the struct scroll_bar which manages it.
+ This can be called in GC, so we have to make sure to strip off mark
+ bits. */
+static struct scroll_bar *
+x_window_to_scroll_bar (window_id)
+ Window window_id;
+{
+ Lisp_Object tail, frame;
+
+ for (tail = Vframe_list;
+ XGCTYPE (tail) == Lisp_Cons;
+ tail = XCONS (tail)->cdr)
+ {
+ Lisp_Object frame = XCONS (tail)->car;
+ Lisp_Object bar, condemned;
+
+ /* All elements of Vframe_list should be frames. */
+ if (XGCTYPE (frame) != Lisp_Frame)
+ abort ();
+
+ /* Scan this frame's scroll bar list for a scroll bar with the
+ right window ID. */
+ condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame));
+ for (bar = FRAME_SCROLL_BARS (XFRAME (frame));
+ /* This trick allows us to search both the ordinary and
+ condemned scroll bar lists with one loop. */
+ ! GC_NILP (bar) || (bar = condemned,
+ condemned = Qnil,
+ ! GC_NILP (bar));
+ bar = XSCROLL_BAR(bar)->next)
+ if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id)
+ return XSCROLL_BAR (bar);
+ }
+
+ return 0;
+}
+
+/* Open a new X window to serve as a scroll bar, and return the
+ scroll bar vector for it. */
+static struct scroll_bar *
+x_scroll_bar_create (window, top, left, width, height)
+ struct window *window;
+ int top, left, width, height;
+{
+ FRAME_PTR frame = XFRAME (WINDOW_FRAME (window));
+ struct scroll_bar *bar =
+ XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil));
+
+ BLOCK_INPUT;
+
+ {
+ XSetWindowAttributes a;
+ unsigned long mask;
+
+ a.background_pixel = frame->display.x->background_pixel;
+ a.event_mask = (ButtonPressMask | ButtonReleaseMask
+ | ButtonMotionMask | PointerMotionHintMask
+ | ExposureMask);
+ a.cursor = x_vertical_scroll_bar_cursor;
+
+ mask = (CWBackPixel | CWEventMask | CWCursor);
+
+ SET_SCROLL_BAR_X_WINDOW
+ (bar,
+ XCreateWindow (x_current_display, FRAME_X_WINDOW (frame),
+
+ /* Position and size of scroll bar. */
+ left, top, width, height,
+
+ /* Border width, depth, class, and visual. */
+ 0, CopyFromParent, CopyFromParent, CopyFromParent,
+
+ /* Attributes. */
+ mask, &a));
+ }
+
+ XSET (bar->window, Lisp_Window, window);
+ XSET (bar->top, Lisp_Int, top);
+ XSET (bar->left, Lisp_Int, left);
+ XSET (bar->width, Lisp_Int, width);
+ XSET (bar->height, Lisp_Int, height);
+ XSET (bar->start, Lisp_Int, 0);
+ XSET (bar->end, Lisp_Int, 0);
+ bar->dragging = Qnil;
+
+ /* Add bar to its frame's list of scroll bars. */
+ bar->next = FRAME_SCROLL_BARS (frame);
+ bar->prev = Qnil;
+ XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar);
+ if (! NILP (bar->next))
+ XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar);
+
+ XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar));
+
+ UNBLOCK_INPUT;
+
+ return bar;
+}
+
+/* Draw BAR's handle in the proper position.
+ If the handle is already drawn from START to END, don't bother
+ redrawing it, unless REBUILD is non-zero; in that case, always
+ redraw it. (REBUILD is handy for drawing the handle after expose
+ events.)
+
+ Normally, we want to constrain the start and end of the handle to
+ fit inside its rectangle, but if the user is dragging the scroll bar
+ handle, we want to let them drag it down all the way, so that the
+ bar's top is as far down as it goes; otherwise, there's no way to
+ move to the very end of the buffer. */
+static void
+x_scroll_bar_set_handle (bar, start, end, rebuild)
+ struct scroll_bar *bar;
+ int start, end;
+ int rebuild;
+{
+ int dragging = ! NILP (bar->dragging);
+ Window w = SCROLL_BAR_X_WINDOW (bar);
+ GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc;
+
+ /* If the display is already accurate, do nothing. */
+ if (! rebuild
+ && start == XINT (bar->start)
+ && end == XINT (bar->end))
+ return;
+
+ BLOCK_INPUT;
+
+ {
+ int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width));
+ int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height));
+ int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height));
+
+ /* Make sure the values are reasonable, and try to preserve
+ the distance between start and end. */
+ {
+ int length = end - start;
+
+ if (start < 0)
+ start = 0;
+ else if (start > top_range)
+ start = top_range;
+ end = start + length;
+
+ if (end < start)
+ end = start;
+ else if (end > top_range && ! dragging)
+ end = top_range;
+ }
+
+ /* Store the adjusted setting in the scroll bar. */
+ XSET (bar->start, Lisp_Int, start);
+ XSET (bar->end, Lisp_Int, end);
+
+ /* Clip the end position, just for display. */
+ if (end > top_range)
+ end = top_range;
+
+ /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels
+ below top positions, to make sure the handle is always at least
+ that many pixels tall. */
+ end += VERTICAL_SCROLL_BAR_MIN_HANDLE;
+
+ /* Draw the empty space above the handle. Note that we can't clear
+ zero-height areas; that means "clear to end of window." */
+ if (0 < start)
+ XClearArea (x_current_display, w,
+
+ /* x, y, width, height, and exposures. */
+ VERTICAL_SCROLL_BAR_LEFT_BORDER,
+ VERTICAL_SCROLL_BAR_TOP_BORDER,
+ inside_width, start,
+ False);
+
+ /* Draw the handle itself. */
+ XFillRectangle (x_current_display, w, gc,
+
+ /* x, y, width, height */
+ VERTICAL_SCROLL_BAR_LEFT_BORDER,
+ VERTICAL_SCROLL_BAR_TOP_BORDER + start,
+ inside_width, end - start);
+
+
+ /* Draw the empty space below the handle. Note that we can't
+ clear zero-height areas; that means "clear to end of window." */
+ if (end < inside_height)
+ XClearArea (x_current_display, w,
+
+ /* x, y, width, height, and exposures. */
+ VERTICAL_SCROLL_BAR_LEFT_BORDER,
+ VERTICAL_SCROLL_BAR_TOP_BORDER + end,
+ inside_width, inside_height - end,
+ False);
+
+ }
+
+ UNBLOCK_INPUT;
+}
+
+/* Move a scroll bar around on the screen, to accomodate changing
+ window configurations. */
+static void
+x_scroll_bar_move (bar, top, left, width, height)
+ struct scroll_bar *bar;
+ int top, left, width, height;
+{
+ BLOCK_INPUT;
+
+ {
+ XWindowChanges wc;
+ unsigned int mask = 0;
+
+ wc.x = left;
+ wc.y = top;
+ wc.width = width;
+ wc.height = height;
+
+ if (left != XINT (bar->left)) mask |= CWX;
+ if (top != XINT (bar->top)) mask |= CWY;
+ if (width != XINT (bar->width)) mask |= CWWidth;
+ if (height != XINT (bar->height)) mask |= CWHeight;
+
+ if (mask)
+ XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar),
+ mask, &wc);
+ }
+
+ XSET (bar->left, Lisp_Int, left);
+ XSET (bar->top, Lisp_Int, top);
+ XSET (bar->width, Lisp_Int, width);
+ XSET (bar->height, Lisp_Int, height);
+
+ UNBLOCK_INPUT;
+}
+
+/* Destroy the X window for BAR, and set its Emacs window's scroll bar
+ to nil. */
+static void
+x_scroll_bar_remove (bar)
+ struct scroll_bar *bar;
+{
+ FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)));
+
+ BLOCK_INPUT;
+
+ /* Destroy the window. */
+ XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar));
+
+ /* Disassociate this scroll bar from its window. */
+ XWINDOW (bar->window)->vertical_scroll_bar = Qnil;
+
+ UNBLOCK_INPUT;
+}
+
+/* Set the handle of the vertical scroll bar for WINDOW to indicate
+ that we are displaying PORTION characters out of a total of WHOLE
+ characters, starting at POSITION. If WINDOW has no scroll bar,
+ create one. */
+static void
+XTset_vertical_scroll_bar (window, portion, whole, position)
+ struct window *window;
+ int portion, whole, position;
+{
+ FRAME_PTR f = XFRAME (WINDOW_FRAME (window));
+ int top = XINT (window->top);
+ int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window);
+ int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window);
+
+ /* Where should this scroll bar be, pixelwise? */
+ int pixel_top = CHAR_TO_PIXEL_ROW (f, top);
+ int pixel_left = CHAR_TO_PIXEL_COL (f, left);
+ int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f);
+ int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height);
+
+ struct scroll_bar *bar;
+
+ /* Does the scroll bar exist yet? */
+ if (NILP (window->vertical_scroll_bar))
+ bar = x_scroll_bar_create (window,
+ pixel_top, pixel_left,
+ pixel_width, pixel_height);
+ else
+ {
+ /* It may just need to be moved and resized. */
+ bar = XSCROLL_BAR (window->vertical_scroll_bar);
+ x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height);
+ }
+
+ /* Set the scroll bar's current state, unless we're currently being
+ dragged. */
+ if (NILP (bar->dragging))
+ {
+ int top_range =
+ VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height);
+
+ if (whole == 0)
+ x_scroll_bar_set_handle (bar, 0, top_range, 0);
+ else
+ {
+ int start = (position * top_range) / whole;
+ int end = ((position + portion) * top_range) / whole;
+
+ x_scroll_bar_set_handle (bar, start, end, 0);
+ }
+ }
+
+ XSET (window->vertical_scroll_bar, Lisp_Vector, bar);
+}
+
+
+/* The following three hooks are used when we're doing a thorough
+ redisplay of the frame. We don't explicitly know which scroll bars
+ are going to be deleted, because keeping track of when windows go
+ away is a real pain - "Can you say set-window-configuration, boys
+ and girls?" Instead, we just assert at the beginning of redisplay
+ that *all* scroll bars are to be removed, and then save a scroll bar
+ from the fiery pit when we actually redisplay its window. */
+
+/* Arrange for all scroll bars on FRAME to be removed at the next call
+ to `*judge_scroll_bars_hook'. A scroll bar may be spared if
+ `*redeem_scroll_bar_hook' is applied to its window before the judgement. */
+static void
+XTcondemn_scroll_bars (frame)
+ FRAME_PTR frame;
+{
+ /* The condemned list should be empty at this point; if it's not,
+ then the rest of Emacs isn't using the condemn/redeem/judge
+ protocol correctly. */
+ if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame)))
+ abort ();
+
+ /* Move them all to the "condemned" list. */
+ FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame);
+ FRAME_SCROLL_BARS (frame) = Qnil;
+}
+
+/* Unmark WINDOW's scroll bar for deletion in this judgement cycle.
+ Note that WINDOW isn't necessarily condemned at all. */
+static void
+XTredeem_scroll_bar (window)
+ struct window *window;
+{
+ struct scroll_bar *bar;
+
+ /* We can't redeem this window's scroll bar if it doesn't have one. */
+ if (NILP (window->vertical_scroll_bar))
+ abort ();
+
+ bar = XSCROLL_BAR (window->vertical_scroll_bar);
+
+ /* Unlink it from the condemned list. */
+ {
+ FRAME_PTR f = XFRAME (WINDOW_FRAME (window));
+
+ if (NILP (bar->prev))
+ {
+ /* If the prev pointer is nil, it must be the first in one of
+ the lists. */
+ if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar))
+ /* It's not condemned. Everything's fine. */
+ return;
+ else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f),
+ window->vertical_scroll_bar))
+ FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next;
+ else
+ /* If its prev pointer is nil, it must be at the front of
+ one or the other! */
+ abort ();
+ }
+ else
+ XSCROLL_BAR (bar->prev)->next = bar->next;
+
+ if (! NILP (bar->next))
+ XSCROLL_BAR (bar->next)->prev = bar->prev;
+
+ bar->next = FRAME_SCROLL_BARS (f);
+ bar->prev = Qnil;
+ XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar);
+ if (! NILP (bar->next))
+ XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar);
+ }
+}
+
+/* Remove all scroll bars on FRAME that haven't been saved since the
+ last call to `*condemn_scroll_bars_hook'. */
+static void
+XTjudge_scroll_bars (f)
+ FRAME_PTR f;
+{
+ Lisp_Object bar, next;
+
+ bar = FRAME_CONDEMNED_SCROLL_BARS (f);
+
+ /* Clear out the condemned list now so we won't try to process any
+ more events on the hapless scroll bars. */
+ FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil;
+
+ for (; ! NILP (bar); bar = next)
+ {
+ struct scroll_bar *b = XSCROLL_BAR (bar);
+
+ x_scroll_bar_remove (b);
+
+ next = b->next;
+ b->next = b->prev = Qnil;
+ }
+
+ /* Now there should be no references to the condemned scroll bars,
+ and they should get garbage-collected. */
+}
+
+
+/* Handle an Expose or GraphicsExpose event on a scroll bar.
+
+ This may be called from a signal handler, so we have to ignore GC
+ mark bits. */
+static void
+x_scroll_bar_expose (bar, event)
+ struct scroll_bar *bar;
+ XEvent *event;
+{
+ Window w = SCROLL_BAR_X_WINDOW (bar);
+ GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc;
+
+ BLOCK_INPUT;
+
+ x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1);
+
+ /* Draw a one-pixel border just inside the edges of the scroll bar. */
+ XDrawRectangle (x_current_display, w, gc,
+
+ /* x, y, width, height */
+ 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1);
+
+ /* Draw another line to make the extra-thick border on the right. */
+ XFillRectangle (x_current_display, w, gc,
+
+ /* x, y, width, height */
+ XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2);
+
+ UNBLOCK_INPUT;
+}
+
+/* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
+ is set to something other than no_event, it is enqueued.
+
+ This may be called from a signal handler, so we have to ignore GC
+ mark bits. */
+static void
+x_scroll_bar_handle_click (bar, event, emacs_event)
+ struct scroll_bar *bar;
+ XEvent *event;
+ struct input_event *emacs_event;
+{
+ if (XGCTYPE (bar->window) != Lisp_Window)
+ abort ();
+
+ emacs_event->kind = scroll_bar_click;
+ XSET (emacs_event->code, Lisp_Int, event->xbutton.button - Button1);
+ emacs_event->modifiers =
+ (x_convert_modifiers (event->xbutton.state)
+ | (event->type == ButtonRelease
+ ? up_modifier
+ : down_modifier));
+ emacs_event->frame_or_window = bar->window;
+ emacs_event->timestamp = event->xbutton.time;
+ {
+ int internal_height =
+ VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height));
+ int top_range =
+ VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height));
+ int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER;
+
+ if (y < 0) y = 0;
+ if (y > top_range) y = top_range;
+
+ if (y < XINT (bar->start))
+ emacs_event->part = scroll_bar_above_handle;
+ else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE)
+ emacs_event->part = scroll_bar_handle;
+ else
+ emacs_event->part = scroll_bar_below_handle;
+
+ /* If the user has just clicked on the handle, record where they're
+ holding it. */
+ if (event->type == ButtonPress
+ && emacs_event->part == scroll_bar_handle)
+ XSET (bar->dragging, Lisp_Int, y - XINT (bar->start));
+
+ /* If the user has released the handle, set it to its final position. */
+ if (event->type == ButtonRelease
+ && ! NILP (bar->dragging))
+ {
+ int new_start = y - XINT (bar->dragging);
+ int new_end = new_start + (XINT (bar->end) - XINT (bar->start));
+
+ x_scroll_bar_set_handle (bar, new_start, new_end, 0);
+ bar->dragging = Qnil;
+ }
+
+ /* Clicks on the handle are always reported as occuring at the top of
+ the handle. */
+ if (emacs_event->part == scroll_bar_handle)
+ emacs_event->x = bar->start;
+ else
+ XSET (emacs_event->x, Lisp_Int, y);
+
+ XSET (emacs_event->y, Lisp_Int, top_range);
+ }
+}
+
+/* Handle some mouse motion while someone is dragging the scroll bar.
+
+ This may be called from a signal handler, so we have to ignore GC
+ mark bits. */
+static void
+x_scroll_bar_note_movement (bar, event)
+ struct scroll_bar *bar;
+ XEvent *event;
+{
+ last_mouse_movement_time = event->xmotion.time;
+
+ mouse_moved = 1;
+ XSET (last_mouse_scroll_bar, Lisp_Vector, bar);
+
+ /* If we're dragging the bar, display it. */
+ if (! GC_NILP (bar->dragging))
+ {
+ /* Where should the handle be now? */
+ int new_start = event->xmotion.y - XINT (bar->dragging);
+
+ if (new_start != XINT (bar->start))
+ {
+ int new_end = new_start + (XINT (bar->end) - XINT (bar->start));
+
+ x_scroll_bar_set_handle (bar, new_start, new_end, 0);
+ }
+ }
+
+ /* Call XQueryPointer so we'll get an event the next time the mouse
+ moves and we can see *still* on the same position. */
+ {
+ int dummy;
+
+ XQueryPointer (event->xmotion.display, event->xmotion.window,
+ (Window *) &dummy, (Window *) &dummy,
+ &dummy, &dummy, &dummy, &dummy,
+ (unsigned int *) &dummy);
+ }
+}
+
+/* Return information to the user about the current position of the mouse
+ on the scroll bar. */
+static void
+x_scroll_bar_report_motion (f, bar_window, part, x, y, time)
+ FRAME_PTR *f;
+ Lisp_Object *bar_window;
+ enum scroll_bar_part *part;
+ Lisp_Object *x, *y;
+ unsigned long *time;
+{
+ struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar);
+ int win_x, win_y;
+
+ BLOCK_INPUT;
+
+ /* Get the mouse's position relative to the scroll bar window, and
+ report that. */
+ {
+ Window dummy_window;
+ int dummy_coord;
+ unsigned int dummy_mask;
+
+ if (! XQueryPointer (x_current_display,
+ SCROLL_BAR_X_WINDOW (bar),
+
+ /* Root, child, root x and root y. */
+ &dummy_window, &dummy_window,
+ &dummy_coord, &dummy_coord,
+
+ /* Position relative to scroll bar. */
+ &win_x, &win_y,
+
+ /* Mouse buttons and modifier keys. */
+ &dummy_mask))
+ {
+ *f = 0;
+ goto done;
+ }
+ }
+
+ {
+ int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height));
+ int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height));
+
+ win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER;
+
+ if (! NILP (bar->dragging))
+ win_y -= XINT (bar->dragging);
+
+ if (win_y < 0)
+ win_y = 0;
+ if (win_y > top_range)
+ win_y = top_range;
+
+ *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)));
+ *bar_window = bar->window;
+
+ if (! NILP (bar->dragging))
+ *part = scroll_bar_handle;
+ else if (win_y < XINT (bar->start))
+ *part = scroll_bar_above_handle;
+ else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE)
+ *part = scroll_bar_handle;
+ else
+ *part = scroll_bar_below_handle;
+
+ XSET (*x, Lisp_Int, win_y);
+ XSET (*y, Lisp_Int, top_range);
+ *time = last_mouse_movement_time;
+ }
+
+ mouse_moved = 0;
+ last_mouse_scroll_bar = Qnil;
+
+ done:
+ UNBLOCK_INPUT;
+}
+
+
+/* The screen has been cleared so we may have changed foreground or
+ background colors, and the scroll bars may need to be redrawn.
+ Clear out the scroll bars, and ask for expose events, so we can
+ redraw them. */
+
+x_scroll_bar_clear (f)
+ FRAME_PTR f;
+{
+ Lisp_Object bar;
+
+ for (bar = FRAME_SCROLL_BARS (f);
+ XTYPE (bar) == Lisp_Vector;
+ bar = XSCROLL_BAR (bar)->next)
+ XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)),
+ 0, 0, 0, 0, True);
+}
+
+
+\f
+/* The main X event-reading loop - XTread_socket. */
+
+/* Timestamp of enter window event. This is only used by XTread_socket,
+ but we have to put it out here, since static variables within functions
+ sometimes don't work. */
+static Time enter_timestamp;
+
+/* This holds the state XLookupString needs to implement dead keys
+ and other tricks known as "compose processing". _X Window System_
+ says that a portable program can't use this, but Stephen Gildea assures
+ me that letting the compiler initialize it to zeros will work okay.
+
+ This must be defined outside of XTread_socket, for the same reasons
+ given for enter_timestamp, above. */
+static XComposeStatus compose_status;
+
+/* Communication with window managers. */
+Atom Xatom_wm_protocols;
+
+/* Kinds of protocol things we may receive. */
+Atom Xatom_wm_take_focus;
+Atom Xatom_wm_save_yourself;
+Atom Xatom_wm_delete_window;
+
+/* Other WM communication */
+Atom Xatom_wm_configure_denied; /* When our config request is denied */
+Atom Xatom_wm_window_moved; /* When the WM moves us. */
+
+/* Read events coming from the X server.
+ This routine is called by the SIGIO handler.
+ We return as soon as there are no more events to be read.
+
+ Events representing keys are stored in buffer BUFP,
+ which can hold up to NUMCHARS characters.
+ We return the number of characters stored into the buffer,
+ thus pretending to be `read'.
+
+ WAITP is nonzero if we should block until input arrives.
+ EXPECTED is nonzero if the caller knows input is available. */
+
+int
+XTread_socket (sd, bufp, numchars, waitp, expected)
+ register int sd;
+ register struct input_event *bufp;
+ register int numchars;
+ int waitp;
+ int expected;
+{
+ int count = 0;
+ int nbytes = 0;
int mask;
int items_pending; /* How many items are in the X queue. */
XEvent event;
- struct screen *s;
+ struct frame *f;
int event_found;
int prefix;
Lisp_Object part;
FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK,
a read returns 0, which Xlib interprets as equivalent to EPIPE. */
fcntl (fileno (stdin), F_SETFL, 0);
-#endif
+#endif /* ! defined (FIOSNBIO) */
#ifndef SIGIO
#ifndef HAVE_SELECT
XPeekEvent (XDISPLAY &event);
read_alarm_should_throw = 0;
}
-#endif
-#endif
+#endif /* HAVE_SELECT */
+#endif /* SIGIO */
while (XStuffPending () != 0)
{
switch (event.type)
{
#ifdef HAVE_X11
+ case ClientMessage:
+ {
+ if (event.xclient.message_type == Xatom_wm_protocols
+ && event.xclient.format == 32)
+ {
+ if (event.xclient.data.l[0] == Xatom_wm_take_focus)
+ {
+ f = x_window_to_frame (event.xclient.window);
+ if (f)
+ x_focus_on_frame (f);
+ /* Not certain about handling scroll bars here */
+ }
+ else if (event.xclient.data.l[0] == Xatom_wm_save_yourself)
+ {
+ /* Save state modify the WM_COMMAND property to
+ something which can reinstate us. This notifies
+ the session manager, who's looking for such a
+ PropertyNotify. Can restart processing when
+ a keyboard or mouse event arrives. */
+ if (numchars > 0)
+ {
+ }
+ }
+ else if (event.xclient.data.l[0] == Xatom_wm_delete_window)
+ {
+ struct frame *f = x_window_to_frame (event.xclient.window);
+
+ if (f)
+ if (numchars > 0)
+ {
+ }
+ }
+ }
+ else if (event.xclient.message_type == Xatom_wm_configure_denied)
+ {
+ }
+ else if (event.xclient.message_type == Xatom_wm_window_moved)
+ {
+ int new_x, new_y;
+
+ new_x = event.xclient.data.s[0];
+ new_y = event.xclient.data.s[1];
+ }
+ }
+ break;
case SelectionClear: /* Someone has grabbed ownership. */
x_disown_selection (event.xselectionclear.window,
break;
case PropertyNotify:
- /* If we were to do this synchronously, there'd be no worry
- about re-selecting. */
- x_send_incremental (event);
+
+ /* If we're being told about a root window property, then it's
+ a cut buffer change. */
+ if (event.xproperty.window == ROOT_WINDOW)
+ x_invalidate_cut_buffer_cache (&event.xproperty);
+
+ /* Otherwise, we're probably handling an incremental
+ selection transmission. */
+ else
+ {
+ /* If we were to do this synchronously, there'd be no worry
+ about re-selecting. */
+ x_send_incremental (event);
+ }
break;
case Expose:
- s = x_window_to_screen (event.xexpose.window);
- if (s)
+ f = x_window_to_frame (event.xexpose.window);
+ if (f)
{
- if (s->visible == 0)
+ if (f->async_visible == 0)
{
- s->visible = 1;
- s->iconified = 0;
- SET_SCREEN_GARBAGED (s);
+ f->async_visible = 1;
+ f->async_iconified = 0;
+ SET_FRAME_GARBAGED (f);
}
else
- dumprectangle (x_window_to_screen (event.xexpose.window),
- event.xexpose.x, event.xexpose.y,
- event.xexpose.width, event.xexpose.height);
+ {
+ dumprectangle (x_window_to_frame (event.xexpose.window),
+ event.xexpose.x, event.xexpose.y,
+ event.xexpose.width, event.xexpose.height);
+ }
+ }
+ else
+ {
+ struct scroll_bar *bar
+ = x_window_to_scroll_bar (event.xexpose.window);
+
+ if (bar)
+ x_scroll_bar_expose (bar, &event);
}
break;
case GraphicsExpose: /* This occurs when an XCopyArea's
source area was obscured or not
available.*/
- dumprectangle (x_window_to_screen (event.xgraphicsexpose.drawable),
- event.xgraphicsexpose.x, event.xgraphicsexpose.y,
- event.xgraphicsexpose.width,
- event.xgraphicsexpose.height);
+ f = x_window_to_frame (event.xgraphicsexpose.drawable);
+ if (f)
+ {
+ dumprectangle (f,
+ event.xgraphicsexpose.x, event.xgraphicsexpose.y,
+ event.xgraphicsexpose.width,
+ event.xgraphicsexpose.height);
+ }
break;
case NoExpose: /* This occurs when an XCopyArea's
source area was completely
available */
break;
-#else /* not HAVE_X11 */
+#else /* ! defined (HAVE_X11) */
case ExposeWindow:
if (event.subwindow != 0)
break; /* duplicate event */
- s = x_window_to_screen (event.window);
- if (event.window == s->display.x->icon_desc)
+ f = x_window_to_frame (event.window);
+ if (event.window == f->display.x->icon_desc)
{
- refreshicon (s);
- s->iconified = 1;
+ refreshicon (f);
+ f->async_iconified = 1;
}
- if (event.window == s->display.x->window_desc)
+ if (event.window == FRAME_X_WINDOW (f))
{
/* Say must check all windows' needs_exposure flags. */
expose_all_windows = 1;
- s->display.x->needs_exposure = 1;
- s->visible = 1;
+ f->display.x->needs_exposure = 1;
+ f->async_visible = 1;
}
break;
case ExposeRegion:
if (event.subwindow != 0)
break; /* duplicate event */
- s = x_window_to_screen (event.window);
- if (event.window == s->display.x->icon_desc)
+ f = x_window_to_frame (event.window);
+ if (event.window == f->display.x->icon_desc)
{
- refreshicon (s);
+ refreshicon (f);
break;
}
/* If window already needs full redraw, ignore this rectangle. */
- if (expose_all_windows && s->display.x->needs_exposure)
+ if (expose_all_windows && f->display.x->needs_exposure)
break;
/* Put the event on the queue of rectangles to redraw. */
if (enqueue_event (&event, &x_expose_queue))
{
/* Say must check all windows' needs_exposure flags. */
expose_all_windows = 1;
- s->display.x->needs_exposure = 1;
+ f->display.x->needs_exposure = 1;
}
break;
/* This should happen only when we are expecting it,
in x_read_exposes. */
abort ();
-#endif /* not HAVE_X11 */
+#endif /* ! defined (HAVE_X11) */
#ifdef HAVE_X11
case UnmapNotify:
- {
- XWMHints *hints;
-
- s = x_window_to_screen (event.xunmap.window);
- if (s) /* S may no longer exist if
- the screen was deleted. */
- {
- /* While a screen is unmapped, display generation is
- disabled; you don't want to spend time updating a
- display that won't ever be seen. */
- s->visible = 0;
- Vmouse_window = Vmouse_screen_part = Qnil;
- x_mouse_x = x_mouse_y = -1;
- }
- }
+ f = x_window_to_frame (event.xunmap.window);
+ if (f) /* F may no longer exist if
+ the frame was deleted. */
+ {
+ /* While a frame is unmapped, display generation is
+ disabled; you don't want to spend time updating a
+ display that won't ever be seen. */
+ f->async_visible = 0;
+ }
break;
case MapNotify:
- s = x_window_to_screen (event.xmap.window);
- if (s)
+ f = x_window_to_frame (event.xmap.window);
+ if (f)
{
- s->visible = 1;
- s->iconified = 0;
+ f->async_visible = 1;
+ f->async_iconified = 0;
/* wait_reading_process_input will notice this and update
- the screen's display structures. */
- SET_SCREEN_GARBAGED (s);
+ the frame's display structures. */
+ SET_FRAME_GARBAGED (f);
}
break;
case VisibilityNotify:
break;
-#else
+#else /* ! defined (HAVE_X11) */
case UnmapWindow:
- s = x_window_to_screen (event.window);
- if (event.window == s->display.x->icon_desc)
- s->iconified = 0;
- if (event.window == s->display.x->window_desc)
- s->visible = 0;
+ f = x_window_to_frame (event.window);
+ if (event.window == f->display.x->icon_desc)
+ f->async_iconified = 0;
+ if (event.window == FRAME_X_WINDOW (f))
+ f->async_visible = 0;
break;
-#endif /* HAVE_X11 */
+#endif /* ! defined (HAVE_X11) */
#ifdef HAVE_X11
case KeyPress:
- s = x_window_to_screen (event.xkey.window);
- if (s != 0)
+ f = x_window_to_frame (event.xkey.window);
+
+ if (f != 0)
{
KeySym keysym;
- XComposeStatus status;
char copy_buffer[80];
+ int modifiers;
- /* This will have to go some day... */
- nbytes = XLookupString (&event.xkey,
- copy_buffer,
- 80,
- &keysym,
- &status);
+ event.xkey.state |= extra_keyboard_modifiers;
+ modifiers = event.xkey.state;
+
+ /* Some keyboards generate different characters
+ depending on the state of the meta key, in an attempt
+ to support non-English typists. It would be nice to
+ keep this functionality somehow, but for now, we will
+ just clear the meta-key flag to get the 'pure' character. */
+ event.xkey.state &= ~Mod1Mask;
+
+ /* This will have to go some day... */
+ nbytes =
+ XLookupString (&event.xkey, copy_buffer, 80, &keysym,
+ &compose_status);
/* Strip off the vendor-specific keysym bit, and take a shot
at recognizing the codes. HP servers have extra keysyms
if (numchars > 1)
{
- if (IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */
+ if ((keysym >= XK_BackSpace && keysym <= XK_Escape)
+ || keysym == XK_Delete
+ || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */
|| IsMiscFunctionKey (keysym) /* 0xff60 <= x < 0xff80 */
|| IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */
|| IsFunctionKey (keysym)) /* 0xffbe <= x < 0xffe1 */
{
bufp->kind = non_ascii_keystroke;
- XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff50);
- bufp->screen = XSCREEN (SCREEN_FOCUS_SCREEN (s));
- bufp->modifiers = x_convert_modifiers (event.xkey.state);
- XSET (bufp->timestamp, Lisp_Int, event.xkey.time);
+ XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff00);
+ XSET (bufp->frame_or_window, Lisp_Frame, f);
+ bufp->modifiers = x_convert_modifiers (modifiers);
+ bufp->timestamp = event.xkey.time;
bufp++;
count++;
numchars--;
if (nbytes == 1)
{
- if (event.xkey.state & Mod1Mask)
- *copy_buffer |= METABIT;
bufp->kind = ascii_keystroke;
- bufp->screen = XSCREEN (SCREEN_FOCUS_SCREEN (s));
XSET (bufp->code, Lisp_Int, *copy_buffer);
- XSET (bufp->timestamp, Lisp_Int, event.xkey.time);
+ XSET (bufp->frame_or_window, Lisp_Frame, f);
+ bufp->modifiers = x_convert_modifiers (modifiers);
+ bufp->timestamp = event.xkey.time;
bufp++;
}
else
{
bufp->kind = ascii_keystroke;
XSET (bufp->code, Lisp_Int, copy_buffer[i]);
- XSET (bufp->timestamp, Lisp_Int, event.xkey.time);
- bufp->screen = XSCREEN (SCREEN_FOCUS_SCREEN (s));
+ XSET (bufp->frame_or_window, Lisp_Frame, f);
+ bufp->modifiers = x_convert_modifiers (modifiers);
+ bufp->timestamp = event.xkey.time;
bufp++;
}
}
}
break;
-#else
+#else /* ! defined (HAVE_X11) */
case KeyPressed:
{
register char *where_mapping;
- s = x_window_to_screen (event.window);
+ f = x_window_to_frame (event.window);
/* Ignore keys typed on icon windows. */
- if (s != 0 && event.window == s->display.x->icon_desc)
+ if (f != 0 && event.window == f->display.x->icon_desc)
break;
where_mapping = XLookupMapping (&event, &nbytes);
/* Nasty fix for arrow keys */
bufp->kind = ascii_keystroke;
XSET (bufp->code, Lisp_Int, where_mapping[i]);
XSET (bufp->time, Lisp_Int, event.xkey.time);
- bufp->screen = XSCREEN (SCREEN_FOCUS_SCREEN (s));
+ XSET (bufp->frame_or_window, Lisp_Frame, f);
bufp++;
}
count += nbytes;
}
}
break;
-#endif /* HAVE_X11 */
+#endif /* ! defined (HAVE_X11) */
#ifdef HAVE_X11
+
+ /* Here's a possible interpretation of the whole
+ FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a
+ FocusIn event, you have to get a FocusOut event before you
+ relinquish the focus. If you haven't received a FocusIn event,
+ then a mere LeaveNotify is enough to free you. */
+
case EnterNotify:
- s = x_window_to_screen (event.xcrossing.window);
+ f = x_window_to_frame (event.xcrossing.window);
- if (event.xcrossing.detail == NotifyInferior) /* Left Scrollbar */
- ;
- else if (event.xcrossing.focus) /* Entered Window */
+ if (event.xcrossing.focus) /* Entered Window */
{
- /* If we decide we want to generate an event to be seen
- by the rest of Emacs, we put it here. */
- struct input_event emacs_event;
- emacs_event.kind = no_event;
-
/* Avoid nasty pop/raise loops. */
- if (s && (!(s->auto_raise)
- || !(s->auto_lower)
+ if (f && (!(f->auto_raise)
+ || !(f->auto_lower)
|| (event.xcrossing.time - enter_timestamp) > 500))
{
- x_new_focus_screen (s);
+ x_new_focus_frame (f);
enter_timestamp = event.xcrossing.time;
}
-#if 0
- else if ((s = x_window_to_scrollbar (event.xcrossing.window,
- &part, &prefix)))
- /* Fake a motion event */
- notice_mouse_movement (&emacs_event,
- event.xmotion, s, scrollbar_window,
- part);
-#endif
-
-#if 0
- if (! EQ (Vx_send_mouse_movement_events, Qnil)
- && numchars >= 1
- && emacs_event.kind != no_event)
- {
- bcopy (&emacs_event, bufp, sizeof (struct input_event));
- bufp++;
- count++;
- numchars--;
- }
-#endif
}
- else if (s == x_focus_screen)
- x_new_focus_screen (0);
-#if 0
- else if (s = x_window_to_screen (event.xcrossing.window))
- x_mouse_screen = s;
-#endif
+ else if (f == x_focus_frame)
+ x_new_focus_frame (0);
break;
case FocusIn:
- s = x_window_to_screen (event.xfocus.window);
- if (s)
- x_new_focus_screen (s);
+ f = x_window_to_frame (event.xfocus.window);
+ if (event.xfocus.detail != NotifyPointer)
+ x_focus_event_frame = f;
+ if (f)
+ x_new_focus_frame (f);
break;
+
case LeaveNotify:
- if (event.xcrossing.detail != NotifyInferior
- && event.xcrossing.subwindow == None
- && event.xcrossing.mode == NotifyNormal)
+ f = x_window_to_frame (event.xcrossing.window);
+
+ if (event.xcrossing.focus)
+ {
+ if (! x_focus_event_frame)
+ x_new_focus_frame (0);
+ else
+ x_new_focus_frame (f);
+ }
+ else
{
- s = x_window_to_screen (event.xcrossing.window);
- if (event.xcrossing.focus)
- x_new_focus_screen (s);
- else if (s == x_focus_screen)
- x_new_focus_screen (0);
+ if (f == x_focus_event_frame)
+ x_focus_event_frame = 0;
+ if (f == x_focus_frame)
+ x_new_focus_frame (0);
}
break;
case FocusOut:
- s = x_window_to_screen (event.xfocus.window);
- if (s && s == x_focus_screen)
- x_new_focus_screen (0);
+ f = x_window_to_frame (event.xfocus.window);
+ if (event.xfocus.detail != NotifyPointer
+ && f == x_focus_event_frame)
+ x_focus_event_frame = 0;
+ if (f && f == x_focus_frame)
+ x_new_focus_frame (0);
break;
-#else /* not HAVE_X11 */
+#else /* ! defined (HAVE_X11) */
case EnterWindow:
if ((event.detail & 0xFF) == 1)
break; /* Entering our own subwindow. */
{
- extern int waiting_for_input;
- struct screen *old_s = x_input_screen;
+ f = x_window_to_frame (event.window);
+ x_mouse_frame = f;
- s = x_window_to_screen (event.window);
- x_mouse_screen = s;
-
- if (waiting_for_input && x_focus_screen == 0)
- x_new_focus_screen (s);
+ x_new_focus_frame (f);
}
break;
if (event.subwindow != 0)
break; /* Leaving our own subwindow. */
- x_mouse_screen = 0;
- if (x_focus_screen == 0
- && x_input_screen != 0
- && x_input_screen == x_window_to_screen (event.window)
- && event.window == x_input_screen->display.x->window_desc)
+ x_mouse_frame = 0;
+ if (x_focus_frame == 0
+ && x_input_frame != 0
+ && x_input_frame == x_window_to_frame (event.window)
+ && event.window == FRAME_X_WINDOW (x_input_frame))
{
- s = x_input_screen;
- x_input_screen = 0;
- if (s)
- screen_unhighlight (s);
+ f = x_input_frame;
+ x_input_frame = 0;
+ if (f)
+ frame_unhighlight (f);
}
break;
-#endif /* not HAVE_X11 */
+#endif /* ! defined (HAVE_X11) */
#ifdef HAVE_X11
case MotionNotify:
{
- s = x_window_to_screen (event.xmotion.window);
- if (s)
- note_mouse_position (s, &event.xmotion);
-#if 0
- else if ((s = x_window_to_scrollbar (event.xmotion.window,
- &part, &prefix)))
+ f = x_window_to_frame (event.xmotion.window);
+ if (f)
+ note_mouse_movement (f, &event.xmotion);
+ else
{
- What should go here?
+ struct scroll_bar *bar =
+ x_window_to_scroll_bar (event.xmotion.window);
+
+ if (bar)
+ x_scroll_bar_note_movement (bar, &event);
}
-#endif
}
break;
case ConfigureNotify:
- {
- int rows, columns;
- s = x_window_to_screen (event.xconfigure.window);
- if (!s)
- break;
-
- columns = ((event.xconfigure.width -
- (2 * s->display.x->internal_border_width)
- - s->display.x->v_scrollbar_width)
- / FONT_WIDTH (s->display.x->font));
- rows = ((event.xconfigure.height -
- (2 * s->display.x->internal_border_width)
- - s->display.x->h_scrollbar_height)
- / FONT_HEIGHT (s->display.x->font));
-
- /* Even if the number of character rows and columns has
- not changed, the font size may have changed, so we need
- to check the pixel dimensions as well. */
- if (columns != s->width
- || rows != s->height
- || event.xconfigure.width != s->display.x->pixel_width
- || event.xconfigure.height != s->display.x->pixel_height)
- {
- change_screen_size (s, rows, columns, 0);
- x_resize_scrollbars (s);
- SET_SCREEN_GARBAGED (s);
- }
+ f = x_window_to_frame (event.xconfigure.window);
+ if (f)
+ {
+ int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height);
+ int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width);
+
+ /* Even if the number of character rows and columns has
+ not changed, the font size may have changed, so we need
+ to check the pixel dimensions as well. */
+ if (columns != f->width
+ || rows != f->height
+ || event.xconfigure.width != f->display.x->pixel_width
+ || event.xconfigure.height != f->display.x->pixel_height)
+ {
+ change_frame_size (f, rows, columns, 0, 1);
+ SET_FRAME_GARBAGED (f);
+ }
- s->display.x->pixel_width = event.xconfigure.width;
- s->display.x->pixel_height = event.xconfigure.height;
- s->display.x->left_pos = event.xconfigure.x;
- s->display.x->top_pos = event.xconfigure.y;
- break;
- }
+ f->display.x->pixel_width = event.xconfigure.width;
+ f->display.x->pixel_height = event.xconfigure.height;
+ f->display.x->left_pos = event.xconfigure.x;
+ f->display.x->top_pos = event.xconfigure.y;
+ }
+ break;
case ButtonPress:
case ButtonRelease:
struct input_event emacs_event;
emacs_event.kind = no_event;
- s = x_window_to_screen (event.xbutton.window);
- if (s)
- if (!x_focus_screen || (s == x_focus_screen))
- construct_mouse_click (&emacs_event,
- &event, s, 0, 0);
- else
- continue;
+ f = x_window_to_frame (event.xbutton.window);
+ if (f)
+ {
+ if (!x_focus_frame || (f == x_focus_frame))
+ construct_mouse_click (&emacs_event,
+ &event, f);
+ }
else
- if ((s = x_window_to_scrollbar (event.xbutton.window,
- &part, &prefix)))
- {
- if (!x_focus_screen || (selected_screen == x_focus_screen))
- construct_mouse_click (&emacs_event,
- &event, s, part, prefix);
- else
- continue;
- }
+ {
+ struct scroll_bar *bar =
+ x_window_to_scroll_bar (event.xbutton.window);
+
+ if (bar)
+ x_scroll_bar_handle_click (bar, &event, &emacs_event);
+ }
if (numchars >= 1 && emacs_event.kind != no_event)
{
}
break;
-#else /* not HAVE_X11 */
+#else /* ! defined (HAVE_X11) */
case ButtonPressed:
case ButtonReleased:
- s = x_window_to_screen (event.window);
- if (s)
+ f = x_window_to_frame (event.window);
+ if (f)
{
- if (event.window == s->display.x->icon_desc)
+ if (event.window == f->display.x->icon_desc)
{
- x_make_screen_visible (s);
+ x_make_frame_visible (f);
if (warp_mouse_on_deiconify)
- XWarpMouse (s->display.x->window_desc, 10, 10);
+ XWarpMouse (FRAME_X_WINDOW (f), 10, 10);
break;
}
- if (event.window == s->display.x->window_desc)
+ if (event.window == FRAME_X_WINDOW (f))
{
- if (s->auto_raise)
- x_raise_screen (s);
+ if (f->auto_raise)
+ x_raise_frame (f);
}
}
enqueue_event (&event, &x_mouse_queue);
{
bufp->kind = ascii_keystroke;
bufp->code = (char) 'X' & 037; /* C-x */
- bufp->screen = XSCREEN (SCREEN_FOCUS_SCREEN (s));
+ XSET (bufp->frame_or_window, Lisp_Frame, f);
XSET (bufp->time, Lisp_Int, event.xkey.time);
bufp++;
bufp->kind = ascii_keystroke;
bufp->code = (char) 0; /* C-@ */
- bufp->screen = XSCREEN (SCREEN_FOCUS_SCREEN (s));
+ XSET (bufp->frame_or_window, Lisp_Frame, f);
XSET (bufp->time, Lisp_Int, event.xkey.time);
bufp++;
numchars -= 2;
}
break;
-#endif /* not HAVE_X11 */
+#endif /* ! defined (HAVE_X11) */
#ifdef HAVE_X11
case CirculateRequest:
break;
-#endif /* HAVE_X11 */
+#endif /* ! defined (HAVE_X11) */
case MappingNotify:
- if (event.xmapping.request == MappingKeyboard)
- /* Someone has changed the keyboard mapping - flush the
- local cache. */
- XRefreshKeyboardMapping (&event.xmapping);
+ /* Someone has changed the keyboard mapping - update the
+ local cache. */
+ switch (event.xmapping.request)
+ {
+ case MappingModifier:
+ x_find_modifier_meanings ();
+ /* This is meant to fall through. */
+ case MappingKeyboard:
+ XRefreshKeyboardMapping (&event.xmapping);
+ }
break;
default:
int mask = 1 << fd;
if (0 != select (fd + 1, &mask, (long *) 0, (long *) 0,
- (struct timeval *) 0)
+ (EMACS_TIME) 0)
&& !XStuffPending ())
kill (getpid (), SIGHUP);
}
-#endif /* HAVE_SELECT */
-#endif
+#endif /* ! defined (HAVE_SELECT) */
+#endif /* ! 0 */
- if (updating_screen == 0)
+#ifndef HAVE_X11
+ if (updating_frame == 0)
x_do_pending_expose ();
+#endif
UNBLOCK_INPUT;
return count;
static void
x_read_exposes ()
{
- struct screen *s;
+ struct frame *f;
XKeyPressedEvent event;
while (1)
case ExposeWindow:
if (event.subwindow != 0)
break; /* duplicate event */
- s = x_window_to_screen (event.window);
- if (event.window == s->display.x->icon_desc)
+ f = x_window_to_frame (event.window);
+ if (event.window == f->display.x->icon_desc)
{
- refreshicon (s);
+ refreshicon (f);
break;
}
- if (event.window == s->display.x->window_desc)
+ if (event.window == FRAME_X_WINDOW (f))
{
expose_all_windows = 1;
- s->display.x->needs_exposure = 1;
+ f->display.x->needs_exposure = 1;
break;
}
break;
case ExposeRegion:
if (event.subwindow != 0)
break; /* duplicate event */
- s = x_window_to_screen (event.window);
- if (event.window == s->display.x->icon_desc)
+ f = x_window_to_frame (event.window);
+ if (event.window == f->display.x->icon_desc)
{
- refreshicon (s);
+ refreshicon (f);
break;
}
/* If window already needs full redraw, ignore this rectangle. */
- if (expose_all_windows && s->display.x->needs_exposure)
+ if (expose_all_windows && f->display.x->needs_exposure)
break;
/* Put the event on the queue of rectangles to redraw. */
if (enqueue_event (&event, &x_expose_queue))
{
/* Say must check all windows' needs_exposure flags. */
expose_all_windows = 1;
- s->display.x->needs_exposure = 1;
+ f->display.x->needs_exposure = 1;
}
break;
#endif /* HAVE_X11 */
\f
+/* Drawing the cursor. */
+
+
/* Draw a hollow box cursor. Don't change the inside of the box. */
static void
-x_draw_box (s)
- struct screen *s;
+x_draw_box (f)
+ struct frame *f;
{
- int left = s->cursor_x * FONT_WIDTH (s->display.x->font)
- + s->display.x->internal_border_width;
- int top = s->cursor_y * FONT_HEIGHT (s->display.x->font)
- + s->display.x->internal_border_width;
- int width = FONT_WIDTH (s->display.x->font);
- int height = FONT_HEIGHT (s->display.x->font);
+ int left = CHAR_TO_PIXEL_COL (f, f->cursor_x);
+ int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y);
+ int width = FONT_WIDTH (f->display.x->font);
+ int height = FONT_HEIGHT (f->display.x->font);
#ifdef HAVE_X11
- /* Perhaps we should subtract 1 from width and height... */
- XDrawRectangle (x_current_display, s->display.x->window_desc,
- s->display.x->cursor_gc,
+ XDrawRectangle (x_current_display, FRAME_X_WINDOW (f),
+ f->display.x->cursor_gc,
left, top, width - 1, height - 1);
-#else
- XPixSet (s->display.x->window_desc,
+#else /* ! defined (HAVE_X11) */
+ XPixSet (FRAME_X_WINDOW (f),
left, top, width, 1,
- s->display.x->cursor_pixel);
+ f->display.x->cursor_pixel);
- XPixSet (s->display.x->window_desc,
+ XPixSet (FRAME_X_WINDOW (f),
left, top, 1, height,
- s->display.x->cursor_pixel);
+ f->display.x->cursor_pixel);
- XPixSet (s->display.x->window_desc,
+ XPixSet (FRAME_X_WINDOW (f),
left+width-1, top, 1, height,
- s->display.x->cursor_pixel);
+ f->display.x->cursor_pixel);
- XPixSet (s->display.x->window_desc,
+ XPixSet (FRAME_X_WINDOW (f),
left, top+height-1, width, 1,
- s->display.x->cursor_pixel);
-#endif /* HAVE_X11 */
+ f->display.x->cursor_pixel);
+#endif /* ! defined (HAVE_X11) */
}
-/* Clear the cursor of screen S to background color,
+/* Clear the cursor of frame F to background color,
and mark the cursor as not shown.
This is used when the text where the cursor is
is about to be rewritten. */
static void
-clear_cursor (s)
- struct screen *s;
+clear_cursor (f)
+ struct frame *f;
{
int mask;
- if (! s->visible
- || s->phys_cursor_x < 0)
+ if (! FRAME_VISIBLE_P (f)
+ || f->phys_cursor_x < 0)
return;
#ifdef HAVE_X11
- x_display_cursor (s, 0);
-#if 0
- XClearArea (x_current_display, s->display.x->window_desc,
- s->phys_cursor_x * FONT_WIDTH (s->display.x->font)
- + s->display.x->internal_border_width,
- s->phys_cursor_y * FONT_HEIGHT (s->display.x->font)
- + s->display.x->internal_border_width,
- FONT_WIDTH (s->display.x->font) + 1, FONT_HEIGHT (s->display.x->font) + 1, False);
-#endif
-#else
- XPixSet (s->display.x->window_desc,
- s->phys_cursor_x * FONT_WIDTH (s->display.x->font) + s->display.x->internal_border_width,
- s->phys_cursor_y * FONT_HEIGHT (s->display.x->font) + s->display.x->internal_border_width,
- FONT_WIDTH (s->display.x->font), FONT_HEIGHT (s->display.x->font),
- s->display.x->background_pixel);
-#endif /* HAVE_X11 */
- s->phys_cursor_x = -1;
+ x_display_cursor (f, 0);
+#else /* ! defined (HAVE_X11) */
+ XPixSet (FRAME_X_WINDOW (f),
+ CHAR_TO_PIXEL_COL (f, f->phys_cursor_x),
+ CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y),
+ FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font),
+ f->display.x->background_pixel);
+#endif /* ! defined (HAVE_X11) */
+ f->phys_cursor_x = -1;
+}
+
+/* Redraw the glyph at ROW, COLUMN on frame F, in the style
+ HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the
+ glyph drawn. */
+
+static void
+x_draw_single_glyph (f, row, column, glyph, highlight)
+ struct frame *f;
+ int row, column;
+ GLYPH glyph;
+ int highlight;
+{
+ dumpglyphs (f,
+ CHAR_TO_PIXEL_COL (f, column),
+ CHAR_TO_PIXEL_ROW (f, row),
+ &glyph, 1, highlight, f->display.x->font);
}
static void
-x_display_bar_cursor (s, on)
- struct screen *s;
+x_display_bar_cursor (f, on)
+ struct frame *f;
int on;
{
- register int phys_x = s->phys_cursor_x;
- register int phys_y = s->phys_cursor_y;
- register int x1;
- register int y1;
- register int y2;
+ struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f);
- if (! s->visible || (! on && s->phys_cursor_x < 0))
+ if (! FRAME_VISIBLE_P (f))
return;
-#ifdef HAVE_X11
- if (phys_x >= 0 &&
- (!on || phys_x != s->cursor_x || phys_y != s->cursor_y))
- {
- x1 = phys_x * FONT_WIDTH (s->display.x->font)
- + s->display.x->internal_border_width;
- y1 = phys_y * FONT_HEIGHT (s->display.x->font)
- + s->display.x->internal_border_width - 1;
- y2 = y1 + FONT_HEIGHT (s->display.x->font) + 1;
+ if (! on && f->phys_cursor_x < 0)
+ return;
- XDrawLine (x_current_display, s->display.x->window_desc,
- s->display.x->reverse_gc, x1, y1, x1, y2);
+ /* If we're not updating, then we want to use the current frame's
+ cursor position, not our local idea of where the cursor ought to be. */
+ if (f != updating_frame)
+ {
+ curs_x = FRAME_CURSOR_X (f);
+ curs_y = FRAME_CURSOR_Y (f);
+ }
- s->phys_cursor_x = phys_x = -1;
+ /* If there is anything wrong with the current cursor state, remove it. */
+ if (f->phys_cursor_x >= 0
+ && (!on
+ || f->phys_cursor_x != curs_x
+ || f->phys_cursor_y != curs_y
+ || f->display.x->current_cursor != bar_cursor))
+ {
+ /* Erase the cursor by redrawing the character underneath it. */
+ x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x,
+ f->phys_cursor_glyph,
+ current_glyphs->highlight[f->phys_cursor_y]);
+ f->phys_cursor_x = -1;
}
- if (on && s == x_highlight_screen)
+ /* If we now need a cursor in the new place or in the new form, do it so. */
+ if (on
+ && (f->phys_cursor_x < 0
+ || (f->display.x->current_cursor != bar_cursor)))
{
- x1 = s->cursor_x * FONT_WIDTH (s->display.x->font)
- + s->display.x->internal_border_width;
- y1 = s->cursor_y * FONT_HEIGHT (s->display.x->font)
- + s->display.x->internal_border_width - 1;
- y2 = y1 + FONT_HEIGHT (s->display.x->font) + 1;
+ f->phys_cursor_glyph
+ = ((current_glyphs->enable[curs_y]
+ && curs_x < current_glyphs->used[curs_y])
+ ? current_glyphs->glyphs[curs_y][curs_x]
+ : SPACEGLYPH);
+ XFillRectangle (x_current_display, FRAME_X_WINDOW (f),
+ f->display.x->cursor_gc,
+ CHAR_TO_PIXEL_COL (f, curs_x),
+ CHAR_TO_PIXEL_ROW (f, curs_y),
+ 1, FONT_HEIGHT (f->display.x->font));
- XDrawLine (x_current_display, s->display.x->window_desc,
- s->display.x->cursor_gc, x1, y1, x1, y2);
+ f->phys_cursor_x = curs_x;
+ f->phys_cursor_y = curs_y;
- s->phys_cursor_x = s->cursor_x;
- s->phys_cursor_y = s->cursor_y;
+ f->display.x->current_cursor = bar_cursor;
}
-#else /* X10 */
- Give it up, dude.
-#endif /* X10 */
-}
-
-/* Redraw the glyph at ROW, COLUMN on screen S, in the style
- HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the
- glyph drawn. */
-
-static void
-x_draw_single_glyph (s, row, column, glyph, highlight)
- struct screen *s;
- int row, column;
- GLYPH glyph;
- int highlight;
-{
- dumpglyphs (s,
- (column * FONT_WIDTH (s->display.x->font)
- + s->display.x->internal_border_width),
- (row * FONT_HEIGHT (s->display.x->font)
- + s->display.x->internal_border_width),
- &glyph, 1, highlight, s->display.x->font);
+ if (updating_frame != f)
+ XFlushQueue ();
}
-/* Turn the displayed cursor of screen S on or off according to ON.
+
+/* Turn the displayed cursor of frame F on or off according to ON.
If ON is nonzero, where to put the cursor is specified
- by S->cursor_x and S->cursor_y. */
+ by F->cursor_x and F->cursor_y. */
static void
-x_display_box_cursor (s, on)
- struct screen *s;
+x_display_box_cursor (f, on)
+ struct frame *f;
int on;
{
- struct screen_glyphs *current_glyphs = SCREEN_CURRENT_GLYPHS (s);
+ struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f);
- if (! s->visible)
+ if (! FRAME_VISIBLE_P (f))
return;
/* If cursor is off and we want it off, return quickly. */
- if (!on && s->phys_cursor_x < 0)
+ if (!on && f->phys_cursor_x < 0)
return;
+ /* If we're not updating, then we want to use the current frame's
+ cursor position, not our local idea of where the cursor ought to be. */
+ if (f != updating_frame)
+ {
+ curs_x = FRAME_CURSOR_X (f);
+ curs_y = FRAME_CURSOR_Y (f);
+ }
+
/* If cursor is currently being shown and we don't want it to be
or it is in the wrong place,
or we want a hollow box and it's not so, (pout!)
erase it. */
- if (s->phys_cursor_x >= 0
+ if (f->phys_cursor_x >= 0
&& (!on
- || s->phys_cursor_x != s->cursor_x
- || s->phys_cursor_y != s->cursor_y
- || (s->display.x->text_cursor_kind != hollow_box_cursor
- && (s != x_highlight_screen))))
+ || f->phys_cursor_x != curs_x
+ || f->phys_cursor_y != curs_y
+ || (f->display.x->current_cursor != hollow_box_cursor
+ && (f != x_highlight_frame))))
{
/* Erase the cursor by redrawing the character underneath it. */
- x_draw_single_glyph (s, s->phys_cursor_y, s->phys_cursor_x,
- s->phys_cursor_glyph,
- current_glyphs->highlight[s->phys_cursor_y]);
- s->phys_cursor_x = -1;
+ x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x,
+ f->phys_cursor_glyph,
+ current_glyphs->highlight[f->phys_cursor_y]);
+ f->phys_cursor_x = -1;
}
/* If we want to show a cursor,
or we want a box cursor and it's not so,
write it in the right place. */
if (on
- && (s->phys_cursor_x < 0
- || (s->display.x->text_cursor_kind != filled_box_cursor
- && s == x_highlight_screen)))
+ && (f->phys_cursor_x < 0
+ || (f->display.x->current_cursor != filled_box_cursor
+ && f == x_highlight_frame)))
{
- s->phys_cursor_glyph
- = ((current_glyphs->enable[s->cursor_y]
- && s->cursor_x < current_glyphs->used[s->cursor_y])
- ? current_glyphs->glyphs[s->cursor_y][s->cursor_x]
+ f->phys_cursor_glyph
+ = ((current_glyphs->enable[curs_y]
+ && curs_x < current_glyphs->used[curs_y])
+ ? current_glyphs->glyphs[curs_y][curs_x]
: SPACEGLYPH);
- if (s != x_highlight_screen)
+ if (f != x_highlight_frame)
{
- x_draw_box (s);
- s->display.x->text_cursor_kind = hollow_box_cursor;
+ x_draw_box (f);
+ f->display.x->current_cursor = hollow_box_cursor;
}
else
{
- x_draw_single_glyph (s, s->cursor_y, s->cursor_x,
- s->phys_cursor_glyph, 2);
- s->display.x->text_cursor_kind = filled_box_cursor;
+ x_draw_single_glyph (f, curs_y, curs_x,
+ f->phys_cursor_glyph, 2);
+ f->display.x->current_cursor = filled_box_cursor;
}
- s->phys_cursor_x = s->cursor_x;
- s->phys_cursor_y = s->cursor_y;
+ f->phys_cursor_x = curs_x;
+ f->phys_cursor_y = curs_y;
}
- if (updating_screen != s)
+ if (updating_frame != f)
XFlushQueue ();
}
-extern Lisp_Object Vbar_cursor;
-
-x_display_cursor (s, on)
- struct screen *s;
+x_display_cursor (f, on)
+ struct frame *f;
int on;
{
- if (EQ (Vbar_cursor, Qnil))
- x_display_box_cursor (s, on);
+ if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor)
+ x_display_box_cursor (f, on);
+ else if (FRAME_DESIRED_CURSOR (f) == bar_cursor)
+ x_display_bar_cursor (f, on);
else
- x_display_bar_cursor (s, on);
+ /* Those are the only two we have implemented! */
+ abort ();
}
\f
/* Icons. */
-/* Refresh bitmap kitchen sink icon for screen S
+/* Refresh bitmap kitchen sink icon for frame F
when we get an expose event for it. */
-refreshicon (s)
- struct screen *s;
+refreshicon (f)
+ struct frame *f;
{
#ifdef HAVE_X11
/* Normally, the window manager handles this function. */
-#else
+#else /* ! defined (HAVE_X11) */
int mask;
- if (s->display.x->icon_bitmap_flag)
- XBitmapBitsPut (s->display.x->icon_desc, 0, 0, sink_width, sink_height,
+ if (f->display.x->icon_bitmap_flag)
+ XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height,
sink_bits, BlackPixel, WHITE_PIX_DEFAULT,
icon_bitmap, GXcopy, AllPlanes);
else
{
- extern struct screen *selected_screen;
+ extern struct frame *selected_frame;
struct Lisp_String *str;
unsigned char *string;
string
- = XSTRING (XBUFFER (XWINDOW (s->selected_window)->buffer)->name)->data;
+ = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data;
- if (s->display.x->icon_label != string)
+ if (f->display.x->icon_label != string)
{
- s->display.x->icon_label = string;
- XChangeWindow (s->display.x->icon_desc,
+ f->display.x->icon_label = string;
+ XChangeWindow (f->display.x->icon_desc,
XQueryWidth (string, icon_font_info->id) + 10,
icon_font_info->height + 10);
}
- XText (s->display.x->icon_desc, 5, 5, string,
+ XText (f->display.x->icon_desc, 5, 5, string,
str->size, icon_font_info->id,
BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT);
}
XFlushQueue ();
-#endif /* HAVE_X11 */
+#endif /* ! defined (HAVE_X11) */
}
-/* Make the x-window of screen S use the kitchen-sink icon
- that's a window generated by Emacs. */
+/* Make the x-window of frame F use the gnu icon bitmap. */
int
-x_bitmap_icon (s)
- struct screen *s;
+x_bitmap_icon (f)
+ struct frame *f;
{
int mask;
Window icon_window;
- if (s->display.x->window_desc == 0)
+ if (FRAME_X_WINDOW (f) == 0)
return 1;
#ifdef HAVE_X11
XFreePixmap (x_current_display, icon_bitmap);
icon_bitmap =
- XCreateBitmapFromData (x_current_display, s->display.x->window_desc,
+ XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f),
gnu_bits, gnu_width, gnu_height);
- x_wm_set_icon_pixmap (s, icon_bitmap);
- s->display.x->icon_bitmap_flag = 1;
-#else
- if (s->display.x->icon_desc)
+ x_wm_set_icon_pixmap (f, icon_bitmap);
+ f->display.x->icon_bitmap_flag = 1;
+#else /* ! defined (HAVE_X11) */
+ if (f->display.x->icon_desc)
{
- XClearIconWindow (s->display.x->window_desc);
- XDestroyWindow (s->display.x->icon_desc);
+ XClearIconWindow (FRAME_X_WINDOW (f));
+ XDestroyWindow (f->display.x->icon_desc);
}
- icon_window = XCreateWindow (s->display.x->parent_desc,
+ icon_window = XCreateWindow (f->display.x->parent_desc,
0, 0, sink_width, sink_height,
2, WhitePixmap, (Pixmap) NULL);
if (icon_window == 0)
return 1;
- XSetIconWindow (s->display.x->window_desc, icon_window);
+ XSetIconWindow (FRAME_X_WINDOW (f), icon_window);
XSelectInput (icon_window, ExposeWindow | UnmapWindow);
- s->display.x->icon_desc = icon_window;
- s->display.x->icon_bitmap_flag = 1;
+ f->display.x->icon_desc = icon_window;
+ f->display.x->icon_bitmap_flag = 1;
if (icon_bitmap == 0)
icon_bitmap
= XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits);
-#endif /* HAVE_X11 */
+#endif /* ! defined (HAVE_X11) */
return 0;
}
-/* Make the x-window of screen S use a rectangle with text. */
+/* Make the x-window of frame F use a rectangle with text. */
int
-x_text_icon (s, icon_name)
- struct screen *s;
+x_text_icon (f, icon_name)
+ struct frame *f;
char *icon_name;
{
#ifndef HAVE_X11
#ifndef WhitePixel
#define WhitePixel 1
-#endif
+#endif /* WhitePixel */
#ifndef BlackPixel
#define BlackPixel 0
-#endif
-#endif /* not HAVE_X11 */
+#endif /* BlackPixel */
+#endif /* HAVE_X11 */
- if (s->display.x->window_desc == 0)
+ if (FRAME_X_WINDOW (f) == 0)
return 1;
+#ifdef HAVE_X11
+ if (icon_name)
+ f->display.x->icon_label = icon_name;
+ else
+ if (! f->display.x->icon_label)
+ f->display.x->icon_label = " *emacs* ";
+
+ XSetIconName (x_current_display, FRAME_X_WINDOW (f),
+ (char *) f->display.x->icon_label);
+
+ f->display.x->icon_bitmap_flag = 0;
+ x_wm_set_icon_pixmap (f, 0);
+#else /* ! defined (HAVE_X11) */
if (icon_font_info == 0)
icon_font_info
= XGetFont (XGetDefault (XDISPLAY
(char *) XSTRING (invocation_name)->data,
"BodyFont"));
-#ifdef HAVE_X11
- if (icon_name)
- s->display.x->icon_label = icon_name;
- else
- if (! s->display.x->icon_label)
- s->display.x->icon_label = " *emacs* ";
-
- XSetIconName (x_current_display, s->display.x->window_desc,
- (char *) s->display.x->icon_label);
-
- s->display.x->icon_bitmap_flag = 0;
-#else
- if (s->display.x->icon_desc)
+ if (f->display.x->icon_desc)
{
- XClearIconWindow (XDISPLAY s->display.x->window_desc);
- XDestroyWindow (XDISPLAY s->display.x->icon_desc);
+ XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f));
+ XDestroyWindow (XDISPLAY f->display.x->icon_desc);
}
if (icon_name)
- s->display.x->icon_label = (unsigned char *) icon_name;
+ f->display.x->icon_label = (unsigned char *) icon_name;
else
- if (! s->display.x->icon_label)
- s->display.x->icon_label = XSTRING (s->name)->data;
+ if (! f->display.x->icon_label)
+ f->display.x->icon_label = XSTRING (f->name)->data;
- width = XStringWidth (s->display.x->icon_label, icon_font_info, 0, 0);
- icon_window = XCreateWindow (s->display.x->parent_desc,
- s->display.x->left_pos,
- s->display.x->top_pos,
+ width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0);
+ icon_window = XCreateWindow (f->display.x->parent_desc,
+ f->display.x->left_pos,
+ f->display.x->top_pos,
width + 10, icon_font_info->height + 10,
2, BlackPixmap, WhitePixmap);
if (icon_window == 0)
return 1;
- XSetIconWindow (s->display.x->window_desc, icon_window);
+ XSetIconWindow (FRAME_X_WINDOW (f), icon_window);
XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed);
- s->display.x->icon_desc = icon_window;
- s->display.x->icon_bitmap_flag = 0;
- s->display.x->icon_label = 0;
-#endif /* HAVE_X11 */
+ f->display.x->icon_desc = icon_window;
+ f->display.x->icon_bitmap_flag = 0;
+ f->display.x->icon_label = 0;
+#endif /* ! defined (HAVE_X11) */
return 0;
}
\f
-static char *x_proto_requests[] =
-{
- "CreateWindow",
- "ChangeWindowAttributes",
- "GetWindowAttributes",
- "DestroyWindow",
- "DestroySubwindows",
- "ChangeSaveSet",
- "ReparentWindow",
- "MapWindow",
- "MapSubwindows",
- "UnmapWindow",
- "UnmapSubwindows",
- "ConfigureWindow",
- "CirculateWindow",
- "GetGeometry",
- "QueryTree",
- "InternAtom",
- "GetAtomName",
- "ChangeProperty",
- "DeleteProperty",
- "GetProperty",
- "ListProperties",
- "SetSelectionOwner",
- "GetSelectionOwner",
- "ConvertSelection",
- "SendEvent",
- "GrabPointer",
- "UngrabPointer",
- "GrabButton",
- "UngrabButton",
- "ChangeActivePointerGrab",
- "GrabKeyboard",
- "UngrabKeyboard",
- "GrabKey",
- "UngrabKey",
- "AllowEvents",
- "GrabServer",
- "UngrabServer",
- "QueryPointer",
- "GetMotionEvents",
- "TranslateCoords",
- "WarpPointer",
- "SetInputFocus",
- "GetInputFocus",
- "QueryKeymap",
- "OpenFont",
- "CloseFont",
- "QueryFont",
- "QueryTextExtents",
- "ListFonts",
- "ListFontsWithInfo",
- "SetFontPath",
- "GetFontPath",
- "CreatePixmap",
- "FreePixmap",
- "CreateGC",
- "ChangeGC",
- "CopyGC",
- "SetDashes",
- "SetClipRectangles",
- "FreeGC",
- "ClearArea",
- "CopyArea",
- "CopyPlane",
- "PolyPoint",
- "PolyLine",
- "PolySegment",
- "PolyRectangle",
- "PolyArc",
- "FillPoly",
- "PolyFillRectangle",
- "PolyFillArc",
- "PutImage",
- "GetImage",
- "PolyText",
- "PolyText",
- "ImageText",
- "ImageText",
- "CreateColormap",
- "FreeColormap",
- "CopyColormapAndFree",
- "InstallColormap",
- "UninstallColormap",
- "ListInstalledColormaps",
- "AllocColor",
- "AllocNamedColor",
- "AllocColorCells",
- "AllocColorPlanes",
- "FreeColors",
- "StoreColors",
- "StoreNamedColor",
- "QueryColors",
- "LookupColor",
- "CreateCursor",
- "CreateGlyphCursor",
- "FreeCursor",
- "RecolorCursor",
- "QueryBestSize",
- "QueryExtension",
- "ListExtensions",
- "ChangeKeyboardMapping",
- "GetKeyboardMapping",
- "ChangeKeyboardControl",
- "GetKeyboardControl",
- "Bell",
- "ChangePointerControl",
- "GetPointerControl",
- "SetScreenSaver",
- "GetScreenSaver",
- "ChangeHosts",
- "ListHosts",
- "SetAccessControl",
- "SetCloseDownMode",
- "KillClient",
- "RotateProperties",
- "ForceScreenSaver",
- "SetPointerMapping",
- "GetPointerMapping",
- "SetModifierMapping",
- "GetModifierMapping",
- "NoOperation"
-};
-
-#define acceptable_x_error_p(type) ((type) == 94)
-
-x_handle_error_gracefully (event)
- XErrorEvent *event;
-{
- char error_ptr[128];
- char *proto_ptr = x_proto_requests[event->request_code];
- char str[128];
-
- XGetErrorText (x_current_display, event->error_code, error_ptr, 128);
- sprintf (str, "X Protocol Error: %s on request: %s", error_ptr, proto_ptr);
- TOTALLY_UNBLOCK_INPUT;
- error (str);
+/* Handling X errors. */
+
+/* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the
+ X server's connection, or an error reported via the X protocol. */
+
+static SIGTYPE
+x_connection_closed ()
+{
+ if (_Xdebug)
+ abort ();
+
+ shut_down_emacs (0);
+
+ exit (70);
}
-#if 0
-extern int x_selection_alloc_error;
-extern int x_converting_selection;
-#endif
+/* An X error handler which prints an error message and then kills
+ Emacs. This is what's normally installed as Xlib's handler for
+ protocol errors. */
+static int
+x_error_quitter (display, error)
+ Display *display;
+ XErrorEvent *error;
+{
+ char buf[256];
-/* Handle X Errors. If the error is not traumatic,
- just call error (). Otherwise print a (hopefully) interesting
- message and quit.
+ /* Note that there is no real way portable across R3/R4 to get the
+ original error handler. */
- The arg to Fkill_emacs is an exit status value
- and also prevents any questions. */
+ XGetErrorText (display, error->error_code, buf, sizeof (buf));
+ fprintf (stderr, "X protocol error: %s on protocol request %d\n",
+ buf, error->request_code);
-x_error_handler (disp, event)
- Display *disp;
-#ifdef HAVE_X11
- XErrorEvent *event;
+ /* While we're testing Emacs 19, we'll just dump core whenever we
+ get an X error, so we can figure out why it happened. */
+ abort ();
-#define XlibDisplayIOError (1L << 0)
+ x_connection_closed ();
+}
-#else
- struct _XErrorEvent *event;
-#endif
+/* A handler for X IO errors which prints an error message and then
+ kills Emacs. This is what is always installed as Xlib's handler
+ for I/O errors. */
+static int
+x_io_error_quitter (display)
+ Display *display;
{
- /* Here we use the standard X handlers. */
+ fprintf (stderr, "Connection to X server %s lost.\n",
+ XDisplayName (DisplayString (display)));
- BLOCK_INPUT;
- if (event && event->type == 0) /* 0 is the XError Event type. */
- {
-#if 0
-#ifdef HAVE_X11
- if (event->request_code == BadAlloc && x_converting_selection)
- x_selection_alloc_error = 1;
- else
-#endif
-#endif
- if (acceptable_x_error_p (event->request_code))
- x_handle_error_gracefully (event);
- else
- _XDefaultError (disp, event);
- }
- else
+ /* While we're testing Emacs 19, we'll just dump core whenever we
+ get an X error, so we can figure out why it happened. */
+ abort ();
+
+ x_connection_closed ();
+}
+
+/* A buffer for storing X error messages. */
+static char (*x_caught_error_message)[200];
+
+/* An X error handler which stores the error message in
+ x_caught_error_message. This is what's installed when
+ x_catch_errors is in effect. */
+static int
+x_error_catcher (display, error)
+ Display *display;
+ XErrorEvent *error;
+{
+ XGetErrorText (display, error->error_code,
+ *x_caught_error_message, sizeof (*x_caught_error_message));
+}
+
+
+/* Begin trapping X errors.
+
+ After calling this function, X protocol errors no longer cause
+ Emacs to exit; instead, they are recorded in x_cfc_error_message.
+
+ Calling x_check_errors signals an Emacs error if an X error has
+ occurred since the last call to x_catch_errors or x_check_errors.
+
+ Calling x_uncatch_errors resumes the normal error handling. */
+
+void x_catch_errors(), x_check_errors (), x_uncatch_errors ();
+
+void
+x_catch_errors ()
+{
+ /* Make sure any errors from previous requests have been dealt with. */
+ XSync (x_current_display, False);
+
+ /* Set up the error buffer. */
+ x_caught_error_message =
+ (char (*)[]) xmalloc (sizeof (*x_caught_error_message));
+ (*x_caught_error_message)[0] = '\0';
+
+ /* Install our little error handler. */
+ XHandleError (x_error_catcher);
+}
+
+/* If any X protocol errors have arrived since the last call to
+ x_catch_errors or x_check_errors, signal an Emacs error using
+ sprintf (a buffer, FORMAT, the x error message text) as the text. */
+void
+x_check_errors (format)
+ char *format;
+{
+ /* Make sure to catch any errors incurred so far. */
+ XSync (x_current_display, False);
+
+ if ((*x_caught_error_message)[0])
{
- disp->flags |= XlibDisplayIOError;
- _XDefaultIOError (disp);
- }
- UNBLOCK_INPUT;
+ char buf[256];
- if (_Xdebug)
- abort ();
- else
- Fkill_emacs (make_number (70));
+ sprintf (buf, format, *x_caught_error_message);
+ free (x_caught_error_message);
+
+ x_uncatch_errors ();
+ error (buf);
+ }
}
-/* Initialize communication with the X window server. */
+void
+x_uncatch_errors ()
+{
+ free (x_caught_error_message);
+ XHandleError (x_error_quitter);
+}
#if 0
static unsigned int x_wire_count;
{
fprintf (stderr, "Lib call: %d\n", ++x_wire_count);
}
-#endif
+#endif /* ! 0 */
\f
-/* Set the font of the x-window specified by screen S
+/* Changing the font of the frame. */
+
+/* Set the font of the x-window specified by frame F
to the font named NEWNAME. This is safe to use
- even before S has an actual x-window. */
+ even before F has an actual x-window. */
#ifdef HAVE_X11
0 <= n_fonts <= x_font_table_size. */
static int n_fonts;
-x_new_font (s, fontname)
- struct screen *s;
+x_new_font (f, fontname)
+ struct frame *f;
register char *fontname;
{
XFontStruct *temp;
/* If we have, just return it from the table. */
if (already_loaded)
- s->display.x->font = x_font_table[already_loaded];
+ f->display.x->font = x_font_table[already_loaded];
/* Otherwise, load the font and add it to the table. */
else
* sizeof (x_font_table[0])));
}
- s->display.x->font = x_font_table[n_fonts++] = font;
+ f->display.x->font = x_font_table[n_fonts++] = font;
}
/* Free the information from XListFontsWithInfo. The data
we actually retain comes from XLoadQueryFont. */
XFreeFontInfo (font_names, font_info, n_matching_fonts);
- /* Now make the screen display the given font. */
- if (s->display.x->window_desc != 0)
+ /* Now make the frame display the given font. */
+ if (FRAME_X_WINDOW (f) != 0)
{
- XSetFont (x_current_display, s->display.x->normal_gc,
- s->display.x->font->fid);
- XSetFont (x_current_display, s->display.x->reverse_gc,
- s->display.x->font->fid);
- XSetFont (x_current_display, s->display.x->cursor_gc,
- s->display.x->font->fid);
-
- x_set_window_size (s, s->width, s->height);
+ XSetFont (x_current_display, f->display.x->normal_gc,
+ f->display.x->font->fid);
+ XSetFont (x_current_display, f->display.x->reverse_gc,
+ f->display.x->font->fid);
+ XSetFont (x_current_display, f->display.x->cursor_gc,
+ f->display.x->font->fid);
+
+ x_set_window_size (f, f->width, f->height);
}
return 0;
}
-#else
-x_new_font (s, newname)
- struct screen *s;
+#else /* ! defined (HAVE_X11) */
+x_new_font (f, newname)
+ struct frame *f;
register char *newname;
{
FONT_TYPE *temp;
if (temp == (FONT_TYPE *) 0)
return 1;
- if (s->display.x->font)
- XLoseFont (s->display.x->font);
+ if (f->display.x->font)
+ XLoseFont (f->display.x->font);
- s->display.x->font = temp;
+ f->display.x->font = temp;
- if (s->display.x->window_desc != 0)
- x_set_window_size (s, s->width, s->height);
+ if (FRAME_X_WINDOW (f) != 0)
+ x_set_window_size (f, f->width, f->height);
return 0;
}
-#endif
+#endif /* ! defined (HAVE_X11) */
\f
-x_calc_absolute_position (s)
- struct screen *s;
+/* X Window sizes and positions. */
+
+x_calc_absolute_position (f)
+ struct frame *f;
{
#ifdef HAVE_X11
- if (s->display.x->left_pos < 0)
- s->display.x->left_pos
- = XINT (x_screen_width) - PIXEL_WIDTH (s) + s->display.x->left_pos;
-
- if (s->display.x->top_pos < 0)
- s->display.x->top_pos
- = XINT (x_screen_height) - PIXEL_HEIGHT (s) + s->display.x->top_pos;
-#else /* X10 */
+ if (f->display.x->left_pos < 0)
+ f->display.x->left_pos
+ = x_screen_width - PIXEL_WIDTH (f) + f->display.x->left_pos;
+
+ if (f->display.x->top_pos < 0)
+ f->display.x->top_pos
+ = x_screen_height - PIXEL_HEIGHT (f) + f->display.x->top_pos;
+#else /* ! defined (HAVE_X11) */
WINDOWINFO_TYPE parentinfo;
- XGetWindowInfo (s->display.x->window_desc, &parentinfo);
+ XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo);
- if (s->display.x->left_pos < 0)
- s->display.x->left_pos = parentinfo.width + (s->display.x->left_pos + 1)
- - PIXEL_WIDTH (s) - 2 * s->display.x->internal_border_width;
+ if (f->display.x->left_pos < 0)
+ f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1)
+ - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width;
- if (s->display.x->top_pos < 0)
- s->display.x->top_pos = parentinfo.height + (s->display.x->top_pos + 1)
- - PIXEL_HEIGHT (s) - 2 * s->display.x->internal_border_width;
-#endif /* X10 */
+ if (f->display.x->top_pos < 0)
+ f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1)
+ - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width;
+#endif /* ! defined (HAVE_X11) */
}
-x_set_offset (s, xoff, yoff)
- struct screen *s;
+x_set_offset (f, xoff, yoff)
+ struct frame *f;
register int xoff, yoff;
{
- s->display.x->top_pos = yoff;
- s->display.x->left_pos = xoff;
- x_calc_absolute_position (s);
+ f->display.x->top_pos = yoff;
+ f->display.x->left_pos = xoff;
+ x_calc_absolute_position (f);
BLOCK_INPUT;
- XMoveWindow (XDISPLAY s->display.x->window_desc,
- s->display.x->left_pos, s->display.x->top_pos);
+ XMoveWindow (XDISPLAY FRAME_X_WINDOW (f),
+ f->display.x->left_pos, f->display.x->top_pos);
#ifdef HAVE_X11
- x_wm_set_size_hint (s, 0);
-#endif
+ x_wm_set_size_hint (f, 0);
+#endif /* ! defined (HAVE_X11) */
UNBLOCK_INPUT;
}
-/* Call this to change the size of screen S's x-window. */
+/* Call this to change the size of frame F's x-window. */
-x_set_window_size (s, cols, rows)
- struct screen *s;
- register int cols, rows;
+x_set_window_size (f, cols, rows)
+ struct frame *f;
+ int cols, rows;
{
int pixelwidth, pixelheight;
int mask;
- int ibw = s->display.x->internal_border_width;
BLOCK_INPUT;
- /* ??? Who DOES worry about minimum reasonable sizes? */
- pixelwidth = (cols * FONT_WIDTH (s->display.x->font) + 2 * ibw
- + s->display.x->v_scrollbar_width);
- pixelheight = (rows * FONT_HEIGHT (s->display.x->font) + 2 * ibw
- + s->display.x->h_scrollbar_height);
+ check_frame_size (f, &rows, &cols);
+ f->display.x->vertical_scroll_bar_extra =
+ (FRAME_HAS_VERTICAL_SCROLL_BARS (f)
+ ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f)
+ : 0);
+ pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols);
+ pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows);
#ifdef HAVE_X11
- x_wm_set_size_hint (s, 0);
-#endif /* HAVE_X11 */
- XChangeWindowSize (s->display.x->window_desc, pixelwidth, pixelheight);
+ x_wm_set_size_hint (f, 0);
+#endif /* ! defined (HAVE_X11) */
+ XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight);
+
+ /* Now, strictly speaking, we can't be sure that this is accurate,
+ but the window manager will get around to dealing with the size
+ change request eventually, and we'll hear how it went when the
+ ConfigureNotify event gets here.
+
+ We could just not bother storing any of this information here,
+ and let the ConfigureNotify event set everything up, but that
+ might be kind of confusing to the lisp code, since size changes
+ wouldn't be reported in the frame parameters until some random
+ point in the future when the ConfigureNotify event arrives. */
+ change_frame_size (f, rows, cols, 0, 0);
+ PIXEL_WIDTH (f) = pixelwidth;
+ PIXEL_HEIGHT (f) = pixelheight;
+
+ /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
+ receive in the ConfigureNotify event; if we get what we asked
+ for, then the event won't cause the screen to become garbaged, so
+ we have to make sure to do it here. */
+ SET_FRAME_GARBAGED (f);
+
XFlushQueue ();
UNBLOCK_INPUT;
}
#ifndef HAVE_X11
-x_set_resize_hint (s)
- struct screen *s;
+x_set_resize_hint (f)
+ struct frame *f;
{
-
- XSetResizeHint (s->display.x->window_desc, 2 * s->display.x->internal_border_width,
- 2 * s->display.x->internal_border_width,
- FONT_WIDTH (s->display.x->font), FONT_HEIGHT (s->display.x->font));
+ XSetResizeHint (FRAME_X_WINDOW (f),
+ 2 * f->display.x->internal_border_width,
+ 2 * f->display.x->internal_border_width,
+ FONT_WIDTH (f->display.x->font),
+ FONT_HEIGHT (f->display.x->font));
}
-#endif /* not HAVE_X11 */
+#endif /* HAVE_X11 */
\f
+/* Mouse warping, focus shifting, raising and lowering. */
-x_set_mouse_position (s, x, y)
- struct screen *s;
+x_set_mouse_position (f, x, y)
+ struct frame *f;
int x, y;
{
int pix_x, pix_y;
- x_raise_screen (s);
+ x_raise_frame (f);
- if (x < 0)
- pix_x = (SCREEN_WIDTH (s)
- * FONT_WIDTH (s->display.x->font)
- + 2 * s->display.x->internal_border_width
- + s->display.x->v_scrollbar_width) / 2;
- else
- pix_x = x * FONT_WIDTH (s->display.x->font) + 2; /* add 2 pixels to each
- dimension to move the
- mouse into the char
- cell */
-
- if (y < 0)
- pix_y = (SCREEN_HEIGHT (s)
- * FONT_HEIGHT (s->display.x->font)
- + 2 * s->display.x->internal_border_width
- + s->display.x->h_scrollbar_height) / 2;
- else
- pix_y = y * FONT_HEIGHT (s->display.x->font) + 2;
+ pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2;
+ pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2;
+
+ if (pix_x < 0) pix_x = 0;
+ if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f);
+
+ if (pix_y < 0) pix_y = 0;
+ if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f);
BLOCK_INPUT;
- x_mouse_x = x;
- x_mouse_y = y;
- XWarpMousePointer (s->display.x->window_desc, pix_x, pix_y);
+ XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y);
UNBLOCK_INPUT;
}
#ifdef HAVE_X11
-x_focus_on_screen (s)
- struct screen *s;
+x_focus_on_frame (f)
+ struct frame *f;
{
- x_raise_screen (s);
+ x_raise_frame (f);
#if 0
/* I don't think that the ICCCM allows programs to do things like this
without the interaction of the window manager. Whatever you end up
- doing with this code, do it to x_unfocus_screen too. */
- XSetInputFocus (x_current_display, s->display.x->window_desc,
+ doing with this code, do it to x_unfocus_frame too. */
+ XSetInputFocus (x_current_display, FRAME_X_WINDOW (f),
RevertToPointerRoot, CurrentTime);
-#endif
+#endif /* ! 0 */
}
-x_unfocus_screen (s)
- struct screen *s;
+x_unfocus_frame (f)
+ struct frame *f;
{
#if 0
- /* Look at the remarks in x_focus_on_screen. */
- if (x_focus_screen == s)
+ /* Look at the remarks in x_focus_on_frame. */
+ if (x_focus_frame == f)
XSetInputFocus (x_current_display, PointerRoot,
RevertToPointerRoot, CurrentTime);
-#endif
+#endif /* ! 0 */
}
-#endif
+#endif /* ! defined (HAVE_X11) */
-/* Raise screen S. */
+/* Raise frame F. */
-x_raise_screen (s)
- struct screen *s;
+x_raise_frame (f)
+ struct frame *f;
{
- if (s->visible)
+ if (f->async_visible)
{
BLOCK_INPUT;
- XRaiseWindow (XDISPLAY s->display.x->window_desc);
+ XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f));
XFlushQueue ();
UNBLOCK_INPUT;
}
}
-/* Lower screen S. */
+/* Lower frame F. */
-x_lower_screen (s)
- struct screen *s;
+x_lower_frame (f)
+ struct frame *f;
{
- if (s->visible)
+ if (f->async_visible)
{
BLOCK_INPUT;
- XLowerWindow (XDISPLAY s->display.x->window_desc);
+ XLowerWindow (XDISPLAY FRAME_X_WINDOW (f));
XFlushQueue ();
UNBLOCK_INPUT;
}
}
+static void
+XTframe_raise_lower (f, raise)
+ FRAME_PTR f;
+ int raise;
+{
+ if (raise)
+ x_raise_frame (f);
+ else
+ x_lower_frame (f);
+}
+
+
/* Change from withdrawn state to mapped state. */
-x_make_screen_visible (s)
- struct screen *s;
+x_make_frame_visible (f)
+ struct frame *f;
{
int mask;
BLOCK_INPUT;
- if (! SCREEN_VISIBLE_P (s))
+ if (! FRAME_VISIBLE_P (f))
{
#ifdef HAVE_X11
if (! EQ (Vx_no_window_manager, Qt))
- x_wm_set_window_state (s, NormalState);
+ x_wm_set_window_state (f, NormalState);
- XMapWindow (XDISPLAY s->display.x->window_desc);
- if (s->display.x->v_scrollbar != 0 || s->display.x->h_scrollbar != 0)
- XMapSubwindows (x_current_display, s->display.x->window_desc);
-#else
- XMapWindow (XDISPLAY s->display.x->window_desc);
- if (s->display.x->icon_desc != 0)
- XUnmapWindow (s->display.x->icon_desc);
+ XMapWindow (XDISPLAY FRAME_X_WINDOW (f));
+ if (FRAME_HAS_VERTICAL_SCROLL_BARS (f))
+ XMapSubwindows (x_current_display, FRAME_X_WINDOW (f));
+#else /* ! defined (HAVE_X11) */
+ XMapWindow (XDISPLAY FRAME_X_WINDOW (f));
+ if (f->display.x->icon_desc != 0)
+ XUnmapWindow (f->display.x->icon_desc);
/* Handled by the MapNotify event for X11 */
- s->visible = 1;
- s->iconified = 0;
+ f->async_visible = 1;
+ f->async_iconified = 0;
- /* NOTE: this may cause problems for the first screen. */
+ /* NOTE: this may cause problems for the first frame. */
XTcursor_to (0, 0);
-#endif /* not HAVE_X11 */
+#endif /* ! defined (HAVE_X11) */
}
- XRaiseWindow (XDISPLAY s->display.x->window_desc);
XFlushQueue ();
UNBLOCK_INPUT;
/* Change from mapped state to withdrawn state. */
-x_make_screen_invisible (s)
- struct screen *s;
+x_make_frame_invisible (f)
+ struct frame *f;
{
int mask;
- if (! s->visible)
+ if (! f->async_visible)
return;
BLOCK_INPUT;
-#ifdef HAVE_X11
-#if 0
- if (! EQ (Vx_no_window_manager, Qt))
- {
- XUnmapEvent unmap;
-
- unmap.type = UnmapNotify;
- unmap.window = s->display.x->window_desc;
- unmap.event = DefaultRootWindow (x_current_display);
- unmap.from_configure = False;
- XSendEvent (x_current_display, DefaultRootWindow (x_current_display),
- False, SubstructureRedirectMask|SubstructureNotifyMask,
- &unmap);
- }
- /* The new function below does the same as the above code, plus unmapping
- the window. Sending the event without actually unmapping can make
- the window manager start ignoring the window (i.e., no more title bar,
- icon manager stuff.) */
-#endif
+#ifdef HAVE_X11R4
- /* New function available with R4 */
- if (! XWithdrawWindow (x_current_display, s->display.x->window_desc,
+ if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f),
DefaultScreen (x_current_display)))
{
UNBLOCK_INPUT_RESIGNAL;
- error ("Can't notify window manager of iconification.");
+ error ("can't notify window manager of window withdrawl");
}
-#else
- XUnmapWindow (XDISPLAY s->display.x->window_desc);
+#else /* ! defined (HAVE_X11R4) */
+#ifdef HAVE_X11
+
+ /* Tell the window manager what we're going to do. */
+ if (! EQ (Vx_no_window_manager, Qt))
+ {
+ XEvent unmap;
+
+ unmap.xunmap.type = UnmapNotify;
+ unmap.xunmap.window = FRAME_X_WINDOW (f);
+ unmap.xunmap.event = DefaultRootWindow (x_current_display);
+ unmap.xunmap.from_configure = False;
+ if (! XSendEvent (x_current_display,
+ DefaultRootWindow (x_current_display),
+ False,
+ SubstructureRedirectMask|SubstructureNotifyMask,
+ &unmap))
+ {
+ UNBLOCK_INPUT_RESIGNAL;
+ error ("can't notify window manager of withdrawal");
+ }
+ }
- s->visible = 0; /* Handled by the UnMap event for X11 */
- if (s->display.x->icon_desc != 0)
- XUnmapWindow (XDISPLAY s->display.x->icon_desc);
-#endif /* not HAVE_X11 */
+ /* Unmap the window ourselves. Cheeky! */
+ XUnmapWindow (x_current_display, FRAME_X_WINDOW (f));
+
+#else /* ! defined (HAVE_X11) */
+
+ XUnmapWindow (FRAME_X_WINDOW (f));
+ f->async_visible = 0; /* Handled by the UnMap event for X11 */
+ if (f->display.x->icon_desc != 0)
+ XUnmapWindow (f->display.x->icon_desc);
+
+#endif /* ! defined (HAVE_X11) */
+#endif /* ! defined (HAVE_X11R4) */
XFlushQueue ();
UNBLOCK_INPUT;
}
- /* Window manager communication. Created in Fx_open_connection. */
+/* Window manager communication. Created in Fx_open_connection. */
extern Atom Xatom_wm_change_state;
/* Change window state from mapped to iconified. */
-x_iconify_screen (s)
- struct screen *s;
+x_iconify_frame (f)
+ struct frame *f;
{
int mask;
- if (s->iconified)
+ if (f->async_iconified)
return;
BLOCK_INPUT;
#ifdef HAVE_X11
- if (! EQ (Vx_no_window_manager, Qt))
- if (! XIconifyWindow (x_current_display, s->display.x->window_desc,
- DefaultScreen (x_current_display)))
+ /* Since we don't know which revision of X we're running, we'll use both
+ the X11R3 and X11R4 techniques. I don't know if this is a good idea. */
+
+ /* X11R4: send a ClientMessage to the window manager using the
+ WM_CHANGE_STATE type. */
+ {
+ XEvent message;
+
+ message.xclient.window = FRAME_X_WINDOW (f);
+ message.xclient.type = ClientMessage;
+ message.xclient.message_type = Xatom_wm_change_state;
+ message.xclient.format = 32;
+ message.xclient.data.l[0] = IconicState;
+
+ if (! XSendEvent (x_current_display,
+ DefaultRootWindow (x_current_display),
+ False,
+ SubstructureRedirectMask | SubstructureNotifyMask,
+ &message))
{
UNBLOCK_INPUT_RESIGNAL;
error ("Can't notify window manager of iconification.");
}
+ }
- s->iconified = 1;
-
-#if 0
- {
- XClientMessageEvent message;
-
- message.window = s->display.x->window_desc;
- message.type = ClientMessage;
- message.message_type = Xatom_wm_change_state;
- message.format = 32;
- message.data.l[0] = IconicState;
+ /* X11R3: set the initial_state field of the window manager hints to
+ IconicState. */
+ x_wm_set_window_state (f, IconicState);
- if (! XSendEvent (x_current_display,
- DefaultRootWindow (x_current_display),
- False,
- SubstructureRedirectMask | SubstructureNotifyMask,
- &message))
- {
- UNBLOCK_INPUT_RESIGNAL;
- error ("Can't notify window manager of iconification.");
- }
- }
-#endif
-#else /* X10 */
- XUnmapWindow (XDISPLAY s->display.x->window_desc);
+ f->async_iconified = 1;
+#else /* ! defined (HAVE_X11) */
+ XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f));
- s->visible = 0; /* Handled in the UnMap event for X11. */
- if (s->display.x->icon_desc != 0)
+ f->async_visible = 0; /* Handled in the UnMap event for X11. */
+ if (f->display.x->icon_desc != 0)
{
- XMapWindow (XDISPLAY s->display.x->icon_desc);
- refreshicon (s);
+ XMapWindow (XDISPLAY f->display.x->icon_desc);
+ refreshicon (f);
}
-#endif /* X10 */
+#endif /* ! defined (HAVE_X11) */
XFlushQueue ();
UNBLOCK_INPUT;
}
-/* Destroy the X window of screen S.
- DISPL is the former s->display (since s->display
- has already been nulled out). */
+/* Destroy the X window of frame F. */
-x_destroy_window (s, displ)
- struct screen *s;
- union display displ;
+x_destroy_window (f)
+ struct frame *f;
{
- int mask;
-
BLOCK_INPUT;
- if (displ.x->icon_desc != 0)
- XDestroyWindow (XDISPLAY displ.x->icon_desc);
- XDestroyWindow (XDISPLAY displ.x->window_desc);
+
+ if (f->display.x->icon_desc != 0)
+ XDestroyWindow (XDISPLAY f->display.x->icon_desc);
+ XDestroyWindow (XDISPLAY f->display.x->window_desc);
XFlushQueue ();
- UNBLOCK_INPUT;
- free (displ.x);
- if (s == x_focus_screen)
- x_focus_screen = 0;
- if (s == x_highlight_screen)
- x_highlight_screen = 0;
+ free (f->display.x);
+ f->display.x = 0;
+ if (f == x_focus_frame)
+ x_focus_frame = 0;
+ if (f == x_highlight_frame)
+ x_highlight_frame = 0;
+
+ UNBLOCK_INPUT;
}
\f
+/* Manage event queues for X10. */
+
#ifndef HAVE_X11
/* Manage event queues.
{
return queue_event_count (&x_mouse_queue);
}
-#endif
+#endif /* HAVE_X11 */
\f
+/* Setting window manager hints. */
+
#ifdef HAVE_X11
-x_wm_set_size_hint (s, prompting)
- struct screen *s;
+x_wm_set_size_hint (f, prompting)
+ struct frame *f;
long prompting;
{
XSizeHints size_hints;
- Window window = s->display.x->window_desc;
+ Window window = FRAME_X_WINDOW (f);
size_hints.flags = PResizeInc | PMinSize | PMaxSize;
- flexlines = s->height;
-
- size_hints.x = s->display.x->left_pos;
- size_hints.y = s->display.x->top_pos;
- size_hints.height = PIXEL_HEIGHT (s);
- size_hints.width = PIXEL_WIDTH (s);
- size_hints.width_inc = FONT_WIDTH (s->display.x->font);
- size_hints.height_inc = FONT_HEIGHT (s->display.x->font);
- size_hints.base_width = (2 * s->display.x->internal_border_width)
- + s->display.x->v_scrollbar_width;
- size_hints.base_height = (2 * s->display.x->internal_border_width)
- + s->display.x->h_scrollbar_height;
- size_hints.min_width = size_hints.base_width + size_hints.width_inc;
- size_hints.min_height = size_hints.base_height + size_hints.height_inc;
- size_hints.max_width = x_screen_width
- - ((2 * s->display.x->internal_border_width)
- + s->display.x->v_scrollbar_width);
- size_hints.max_height = x_screen_height
- - ((2 * s->display.x->internal_border_width)
- + s->display.x->h_scrollbar_height);
+ flexlines = f->height;
+
+ size_hints.x = f->display.x->left_pos;
+ size_hints.y = f->display.x->top_pos;
+ size_hints.height = PIXEL_HEIGHT (f);
+ size_hints.width = PIXEL_WIDTH (f);
+ size_hints.width_inc = FONT_WIDTH (f->display.x->font);
+ size_hints.height_inc = FONT_HEIGHT (f->display.x->font);
+ size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0);
+ size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0);
+
+ {
+ int base_width, base_height;
+
+ base_width = CHAR_TO_PIXEL_WIDTH (f, 0);
+ base_height = CHAR_TO_PIXEL_HEIGHT (f, 0);
+
+ {
+ int min_rows = 0, min_cols = 0;
+ check_frame_size (f, &min_rows, &min_cols);
+
+ /* The window manager uses the base width hints to calculate the
+ current number of rows and columns in the frame while
+ resizing; min_width and min_height aren't useful for this
+ purpose, since they might not give the dimensions for a
+ zero-row, zero-column frame.
+
+ We use the base_width and base_height members if we have
+ them; otherwise, we set the min_width and min_height members
+ to the size for a zero x zero frame. */
+
+#ifdef HAVE_X11R4
+ size_hints.flags |= PBaseSize;
+ size_hints.base_width = base_width;
+ size_hints.base_height = base_height;
+ size_hints.min_width = base_width + min_cols * size_hints.width_inc;
+ size_hints.min_height = base_height + min_rows * size_hints.height_inc;
+#else
+ size_hints.min_width = base_width;
+ size_hints.min_height = base_height;
+#endif
+ }
+
+ }
if (prompting)
size_hints.flags |= prompting;
if (hints.flags & USSize)
size_hints.flags |= USSize;
}
-
-#if 0 /* R3 */
+
+#ifdef HAVE_X11R4
+ XSetWMNormalHints (x_current_display, window, &size_hints);
+#else
XSetNormalHints (x_current_display, window, &size_hints);
#endif
- XSetWMNormalHints (x_current_display, window, &size_hints);
}
/* Used for IconicState or NormalState */
-x_wm_set_window_state (s, state)
- struct screen *s;
+x_wm_set_window_state (f, state)
+ struct frame *f;
int state;
{
- XWMHints wm_hints;
- Window window = s->display.x->window_desc;
+ Window window = FRAME_X_WINDOW (f);
- wm_hints.flags = StateHint;
- wm_hints.initial_state = state;
- XSetWMHints (x_current_display, window, &wm_hints);
+ f->display.x->wm_hints.flags |= StateHint;
+ f->display.x->wm_hints.initial_state = state;
+
+ XSetWMHints (x_current_display, window, &f->display.x->wm_hints);
}
-x_wm_set_icon_pixmap (s, icon_pixmap)
- struct screen *s;
+x_wm_set_icon_pixmap (f, icon_pixmap)
+ struct frame *f;
Pixmap icon_pixmap;
{
- XWMHints wm_hints;
- Window window = s->display.x->window_desc;
+ Window window = FRAME_X_WINDOW (f);
+
+ if (icon_pixmap)
+ {
+ f->display.x->wm_hints.icon_pixmap = icon_pixmap;
+ f->display.x->wm_hints.flags |= IconPixmapHint;
+ }
+ else
+ f->display.x->wm_hints.flags &= ~IconPixmapHint;
- wm_hints.flags = IconPixmapHint;
- wm_hints.icon_pixmap = icon_pixmap;
- XSetWMHints (x_current_display, window, &wm_hints);
+ XSetWMHints (x_current_display, window, &f->display.x->wm_hints);
}
-x_wm_set_icon_position (s, icon_x, icon_y)
- struct screen *s;
+x_wm_set_icon_position (f, icon_x, icon_y)
+ struct frame *f;
int icon_x, icon_y;
{
- XWMHints wm_hints;
- Window window = s->display.x->window_desc;
+ Window window = FRAME_X_WINDOW (f);
+
+ f->display.x->wm_hints.flags |= IconPositionHint;
+ f->display.x->wm_hints.icon_x = icon_x;
+ f->display.x->wm_hints.icon_y = icon_y;
- wm_hints.flags = IconPositionHint;
- wm_hints.icon_x = icon_x;
- wm_hints.icon_y = icon_y;
- XSetWMHints (x_current_display, window, &wm_hints);
+ XSetWMHints (x_current_display, window, &f->display.x->wm_hints);
}
\f
+/* Initialization. */
+
void
x_term_init (display_name)
char *display_name;
{
- Lisp_Object screen;
+ Lisp_Object frame;
char *defaultvalue;
#ifdef F_SETOWN
extern int old_fcntl_owner;
-#endif
+#endif /* ! defined (F_SETOWN) */
- x_focus_screen = x_highlight_screen = 0;
+ x_focus_frame = x_highlight_frame = 0;
x_current_display = XOpenDisplay (display_name);
if (x_current_display == 0)
#ifdef HAVE_X11
{
- int hostname_size = MAXHOSTNAMELEN + 1;
+ int hostname_size = 256;
hostname = (char *) xmalloc (hostname_size);
#if 0
XSetAfterFunction (x_current_display, x_trace_wire);
-#endif
+#endif /* ! 0 */
invocation_name = Ffile_name_nondirectory (Fcar (Vcommand_line_args));
+ 2);
sprintf (x_id_name, "%s@%s", XSTRING (invocation_name)->data, hostname);
}
-
+
+ /* Figure out which modifier bits mean what. */
+ x_find_modifier_meanings ();
+
+ /* Get the scroll bar cursor. */
+ x_vertical_scroll_bar_cursor =
+ XCreateFontCursor (x_current_display, XC_sb_v_double_arrow);
+
+ /* Watch for PropertyNotify events on the root window; we use them
+ to figure out when to invalidate our cache of the cut buffers. */
+ x_watch_cut_buffer_cache ();
+
dup2 (ConnectionNumber (x_current_display), 0);
#ifndef SYSV_STREAMS
ConnectionNumber (x_current_display) = 0; /* Looks a little strange?
* check the def of the macro;
* it is a genuine lvalue */
-#endif /* not SYSV_STREAMS */
+#endif /* SYSV_STREAMS */
-#endif /* HAVE_X11 */
+#endif /* ! defined (HAVE_X11) */
#ifdef F_SETOWN
old_fcntl_owner = fcntl (0, F_GETOWN, 0);
#ifdef F_SETOWN_SOCK_NEG
fcntl (0, F_SETOWN, -getpid ()); /* stdin is a socket here */
-#else
+#else /* ! defined (F_SETOWN_SOCK_NEG) */
fcntl (0, F_SETOWN, getpid ());
-#endif /* F_SETOWN_SOCK_NEG */
-#endif /* F_SETOWN */
+#endif /* ! defined (F_SETOWN_SOCK_NEG) */
+#endif /* ! defined (F_SETOWN) */
#ifdef SIGIO
init_sigio ();
-#endif
+#endif /* ! defined (SIGIO) */
/* Must use interrupt input because we cannot otherwise
arrange for C-g to be noticed immediately.
expose_all_windows = 0;
- clear_screen_hook = XTclear_screen;
+ clear_frame_hook = XTclear_frame;
clear_end_of_line_hook = XTclear_end_of_line;
ins_del_lines_hook = XTins_del_lines;
change_line_highlight_hook = XTchange_line_highlight;
read_socket_hook = XTread_socket;
cursor_to_hook = XTcursor_to;
reassert_line_highlight_hook = XTreassert_line_highlight;
- screen_rehighlight_hook = XTscreen_rehighlight;
mouse_position_hook = XTmouse_position;
+ frame_rehighlight_hook = XTframe_rehighlight;
+ frame_raise_lower_hook = XTframe_raise_lower;
+ set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar;
+ condemn_scroll_bars_hook = XTcondemn_scroll_bars;
+ redeem_scroll_bar_hook = XTredeem_scroll_bar;
+ judge_scroll_bars_hook = XTjudge_scroll_bars;
- scroll_region_ok = 1; /* we'll scroll partial screens */
+ scroll_region_ok = 1; /* we'll scroll partial frames */
char_ins_del_ok = 0; /* just as fast to write the line */
line_ins_del_ok = 1; /* we'll just blt 'em */
fast_clear_end_of_line = 1; /* X does this well */
- memory_below_screen = 0; /* we don't remember what scrolls
+ memory_below_frame = 0; /* we don't remember what scrolls
off the bottom */
baud_rate = 19200;
- XHandleError (x_error_handler);
- XHandleIOError (x_error_handler);
+ /* Note that there is no real way portable across R3/R4 to get the
+ original error handler. */
+ XHandleError (x_error_quitter);
+ XHandleIOError (x_io_error_quitter);
/* Disable Window Change signals; they are handled by X events. */
#ifdef SIGWINCH
signal (SIGWINCH, SIG_DFL);
-#endif /* SIGWINCH */
+#endif /* ! defined (SIGWINCH) */
- signal (SIGPIPE, x_error_handler);
+ signal (SIGPIPE, x_connection_closed);
}
void
staticpro (&invocation_name);
invocation_name = Qnil;
- Qmouse_moved = intern ("mouse-moved");
- Qmouse_click = intern ("mouse-click");
- Qscrollbar_click = intern ("scrollbar-click");
+ staticpro (&last_mouse_scroll_bar);
}
-#endif /* HAVE_X11 */
-#endif /* HAVE_X_WINDOWS */
+#endif /* ! defined (HAVE_X11) */
+#endif /* ! defined (HAVE_X_WINDOWS) */