/* Functions for the X window system.
- Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996 Free Software Foundation.
+ Copyright (C) 1989, 92, 93, 94, 95, 96, 1997, 1998, 1999
+ Free Software Foundation.
This file is part of GNU Emacs.
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+/* Image support (XBM, XPM, PBM, JPEG, TIFF, GIF, PNG, GS). tooltips,
+ toolbars, busy-cursor, file selection dialog added by Gerd
+ Moellmann <gerd@gnu.org>. */
+
/* Completely rewritten by Richard Stallman. */
/* Rewritten for X11 by Joseph Arceneaux */
#include <signal.h>
#include <config.h>
+#include <stdio.h>
/* This makes the fields of a Display accessible, in Xlib header files. */
+
#define XLIB_ILLEGAL_ACCESS
#include "lisp.h"
#include "dispextern.h"
#include "keyboard.h"
#include "blockinput.h"
-#include <paths.h>
+#include <epaths.h>
+#include "charset.h"
+#include "fontset.h"
+#include "systime.h"
+#include "termhooks.h"
#ifdef HAVE_X_WINDOWS
extern void abort ();
/* On some systems, the character-composition stuff is broken in X11R5. */
+
#if defined (HAVE_X11R5) && ! defined (HAVE_X11R6)
#ifdef X11R5_INHIBIT_I18N
#define X_I18N_INHIBITED
#include "../lwlib/lwlib.h"
+#ifdef USE_MOTIF
+#include <Xm/Xm.h>
+#include <Xm/DialogS.h>
+#include <Xm/FileSB.h>
+#endif
+
/* Do the EDITRES protocol if running X11R5
Exception: HP-UX (at least version A.09.05) has X11R5 without EditRes */
+
#if (XtSpecificationRelease >= 5) && !defined(NO_EDITRES)
#define HACK_EDITRES
extern void _XEditResCheckMessages ();
#endif /* R5 + Athena */
-/* Unique id counter for widgets created by the Lucid Widget
- Library. */
+/* Unique id counter for widgets created by the Lucid Widget Library. */
+
extern LWLIB_ID widget_id_tick;
+#ifdef USE_LUCID
/* This is part of a kludge--see lwlib/xlwmenu.c. */
-XFontStruct *xlwmenu_default_font;
+extern XFontStruct *xlwmenu_default_font;
+#endif
extern void free_frame_menubar ();
+
#endif /* USE_X_TOOLKIT */
#define min(a,b) ((a) < (b) ? (a) : (b))
#define MAXREQUEST(dpy) ((dpy)->max_request_size)
#endif
-/* The name we're using in resource queries. */
+/* The gray bitmap `bitmaps/gray'. This is done because xterm.c uses
+ it, and including `bitmaps/gray' more than once is a problem when
+ config.h defines `static' as an empty replacement string. */
+
+int gray_bitmap_width = gray_width;
+int gray_bitmap_height = gray_height;
+unsigned char *gray_bitmap_bits = gray_bits;
+
+/* The name we're using in resource queries. Most often "emacs". */
+
Lisp_Object Vx_resource_name;
+/* The application class we're using in resource queries.
+ Normally "Emacs". */
+
+Lisp_Object Vx_resource_class;
+
+/* Non-zero means we're allowed to display a busy cursor. */
+
+int display_busy_cursor_p;
+
/* The background and shape of the mouse pointer, and shape when not
over text or in the modeline. */
+
Lisp_Object Vx_pointer_shape, Vx_nontext_pointer_shape, Vx_mode_pointer_shape;
+Lisp_Object Vx_busy_pointer_shape;
+
/* The shape when over mouse-sensitive text. */
+
Lisp_Object Vx_sensitive_text_pointer_shape;
/* Color of chars displayed in cursor box. */
+
Lisp_Object Vx_cursor_fore_pixel;
/* Nonzero if using X. */
+
static int x_in_use;
/* Non nil if no window manager is in use. */
+
Lisp_Object Vx_no_window_manager;
/* Search path for bitmap files. */
+
Lisp_Object Vx_bitmap_file_path;
+/* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. */
+
+Lisp_Object Vx_pixel_size_width_font_regexp;
+
/* Evaluate this expression to rebuild the section of syms_of_xfns
that initializes and staticpros the symbols declared below. Note
that Emacs 18 has a bug that keeps C-x C-e from being able to
/*&&& symbols declared here &&&*/
Lisp_Object Qauto_raise;
Lisp_Object Qauto_lower;
-Lisp_Object Qbackground_color;
Lisp_Object Qbar;
Lisp_Object Qborder_color;
Lisp_Object Qborder_width;
Lisp_Object Qbox;
Lisp_Object Qcursor_color;
Lisp_Object Qcursor_type;
-Lisp_Object Qfont;
-Lisp_Object Qforeground_color;
Lisp_Object Qgeometry;
Lisp_Object Qicon_left;
Lisp_Object Qicon_top;
Lisp_Object Qicon_name;
Lisp_Object Qinternal_border_width;
Lisp_Object Qleft;
+Lisp_Object Qright;
Lisp_Object Qmouse_color;
Lisp_Object Qnone;
+Lisp_Object Qouter_window_id;
Lisp_Object Qparent_id;
Lisp_Object Qscroll_bar_width;
Lisp_Object Qsuppress_icon;
-Lisp_Object Qtop;
+extern Lisp_Object Qtop;
Lisp_Object Qundefined_color;
Lisp_Object Qvertical_scroll_bars;
Lisp_Object Qvisibility;
Lisp_Object Quser_position;
Lisp_Object Quser_size;
Lisp_Object Qdisplay;
+Lisp_Object Qscroll_bar_foreground, Qscroll_bar_background;
/* The below are defined in frame.c. */
+
extern Lisp_Object Qheight, Qminibuffer, Qname, Qonly, Qwidth;
extern Lisp_Object Qunsplittable, Qmenu_bar_lines, Qbuffer_predicate, Qtitle;
+extern Lisp_Object Qtoolbar_lines;
extern Lisp_Object Vwindow_system_version;
+Lisp_Object Qface_set_after_frame_default;
+
\f
/* Error if we are not connected to X. */
+
void
check_x ()
{
{
if (NILP (frame))
{
- if (FRAME_X_P (selected_frame))
+ if (FRAME_X_P (selected_frame)
+ && FRAME_LIVE_P (selected_frame))
return FRAME_X_DISPLAY_INFO (selected_frame);
else if (x_display_list != 0)
return x_display_list;
return FRAME_X_DISPLAY_INFO (f);
}
}
+
\f
/* Return the Emacs frame-object corresponding to an X window.
It could be the frame's main window or an icon window. */
#ifdef USE_X_TOOLKIT
if ((f->output_data.x->edit_widget
&& XtWindow (f->output_data.x->edit_widget) == wdesc)
+ /* A tooltip frame? */
+ || (!f->output_data.x->edit_widget
+ && FRAME_X_WINDOW (f) == wdesc)
|| f->output_data.x->icon_desc == wdesc)
return f;
#else /* not USE_X_TOOLKIT */
continue;
x = f->output_data.x;
/* This frame matches if the window is any of its widgets. */
- if (wdesc == XtWindow (x->widget)
- || wdesc == XtWindow (x->column_widget)
- || wdesc == XtWindow (x->edit_widget))
- return f;
- /* Match if the window is this frame's menubar. */
- if (lw_window_is_in_menubar (wdesc, x->menubar_widget))
+ if (x->widget)
+ {
+ if (wdesc == XtWindow (x->widget)
+ || wdesc == XtWindow (x->column_widget)
+ || wdesc == XtWindow (x->edit_widget))
+ return f;
+ /* Match if the window is this frame's menubar. */
+ if (lw_window_is_in_menubar (wdesc, x->menubar_widget))
+ return f;
+ }
+ else if (FRAME_X_WINDOW (f) == wdesc)
+ /* A tooltip frame. */
return f;
}
return 0;
continue;
x = f->output_data.x;
/* This frame matches if the window is any of its widgets. */
- if (wdesc == XtWindow (x->widget)
- || wdesc == XtWindow (x->column_widget)
- || wdesc == XtWindow (x->edit_widget))
+ if (x->widget)
+ {
+ if (wdesc == XtWindow (x->widget)
+ || wdesc == XtWindow (x->column_widget)
+ || wdesc == XtWindow (x->edit_widget))
+ return f;
+ }
+ else if (FRAME_X_WINDOW (f) == wdesc)
+ /* A tooltip frame. */
return f;
}
return 0;
continue;
x = f->output_data.x;
/* Match if the window is this frame's menubar. */
- if (lw_window_is_in_menubar (wdesc, x->menubar_widget))
+ if (x->menubar_widget
+ && lw_window_is_in_menubar (wdesc, x->menubar_widget))
return f;
}
return 0;
if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
continue;
x = f->output_data.x;
- /* This frame matches if the window is its topmost widget. */
- if (wdesc == XtWindow (x->widget))
- return f;
+
+ if (x->widget)
+ {
+ /* This frame matches if the window is its topmost widget. */
+ if (wdesc == XtWindow (x->widget))
+ return f;
#if 0 /* I don't know why it did this,
but it seems logically wrong,
and it causes trouble for MapNotify events. */
- /* Match if the window is this frame's menubar. */
- if (x->menubar_widget
- && wdesc == XtWindow (x->menubar_widget))
- return f;
+ /* Match if the window is this frame's menubar. */
+ if (x->menubar_widget
+ && wdesc == XtWindow (x->menubar_widget))
+ return f;
#endif
+ }
+ else if (FRAME_X_WINDOW (f) == wdesc)
+ /* Tooltip frame. */
+ return f;
}
return 0;
}
fd = openp (Vx_bitmap_file_path, file, "", &found, 0);
if (fd < 0)
return -1;
+ /* XReadBitmapFile won't handle magic file names. */
+ if (fd == 0)
+ return -1;
close (fd);
filename = (char *) XSTRING (found)->data;
id = x_allocate_bitmap_record (f);
dpyinfo->bitmaps[id - 1].pixmap = bitmap;
dpyinfo->bitmaps[id - 1].refcount = 1;
- dpyinfo->bitmaps[id - 1].file = (char *) xmalloc (XSTRING (file)->size + 1);
+ dpyinfo->bitmaps[id - 1].file
+ = (char *) xmalloc (STRING_BYTES (XSTRING (file)) + 1);
dpyinfo->bitmaps[id - 1].depth = 1;
dpyinfo->bitmaps[id - 1].height = height;
dpyinfo->bitmaps[id - 1].width = width;
/* Remove reference to bitmap with id number ID. */
-int
+void
x_destroy_bitmap (f, id)
FRAME_PTR f;
int id;
XFreePixmap (FRAME_X_DISPLAY (f), dpyinfo->bitmaps[id - 1].pixmap);
if (dpyinfo->bitmaps[id - 1].file)
{
- free (dpyinfo->bitmaps[id - 1].file);
+ xfree (dpyinfo->bitmaps[id - 1].file);
dpyinfo->bitmaps[id - 1].file = NULL;
}
UNBLOCK_INPUT;
{
XFreePixmap (dpyinfo->display, dpyinfo->bitmaps[i].pixmap);
if (dpyinfo->bitmaps[i].file)
- free (dpyinfo->bitmaps[i].file);
+ xfree (dpyinfo->bitmaps[i].file);
}
dpyinfo->bitmaps_last = 0;
}
void x_set_scroll_bar_width ();
void x_set_title ();
void x_set_unsplittable ();
+void x_set_toolbar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_scroll_bar_foreground P_ ((struct frame *, Lisp_Object,
+ Lisp_Object));
+void x_set_scroll_bar_background P_ ((struct frame *, Lisp_Object,
+ Lisp_Object));
+static Lisp_Object x_default_scroll_bar_color_parameter P_ ((struct frame *,
+ Lisp_Object,
+ Lisp_Object,
+ char *, char *,
+ int));
static struct x_frame_parm_table x_frame_parms[] =
{
"unsplittable", x_set_unsplittable,
"vertical-scroll-bars", x_set_vertical_scroll_bars,
"visibility", x_set_visibility,
+ "toolbar-lines", x_set_toolbar_lines,
+ "scroll-bar-foreground", x_set_scroll_bar_foreground,
+ "scroll-bar-background", x_set_scroll_bar_background,
};
/* Attach the `x-frame-parameter' properties to
the Lisp symbol names of parameters relevant to X. */
+void
init_x_parm_symbols ()
{
int i;
make_number (i));
}
\f
-/* Change the parameters of FRAME as specified by ALIST.
+/* Change the parameters of frame F as specified by ALIST.
If a parameter is not specially recognized, do nothing;
otherwise call the `x_set_...' function for that parameter. */
/* If both of these parameters are present, it's more efficient to
set them both at once. So we wait until we've looked at the
entire list before we set them. */
- Lisp_Object width, height;
+ int width, height;
/* Same here. */
Lisp_Object left, top;
/* Record in these vectors all the parms specified. */
Lisp_Object *parms;
Lisp_Object *values;
- int i;
+ int i, p;
int left_no_change = 0, top_no_change = 0;
int icon_left_no_change = 0, icon_top_no_change = 0;
+ struct gcpro gcpro1, gcpro2;
+
i = 0;
for (tail = alist; CONSP (tail); tail = Fcdr (tail))
i++;
i = 0;
for (tail = alist; CONSP (tail); tail = Fcdr (tail))
{
- Lisp_Object elt, prop, val;
+ Lisp_Object elt;
elt = Fcar (tail);
parms[i] = Fcar (elt);
values[i] = Fcdr (elt);
i++;
}
+ /* TAIL and ALIST are not used again below here. */
+ alist = tail = Qnil;
- width = height = top = left = Qunbound;
+ GCPRO2 (*parms, *values);
+ gcpro1.nvars = i;
+ gcpro2.nvars = i;
+
+ /* There is no need to gcpro LEFT, TOP, ICON_LEFT, or ICON_TOP,
+ because their values appear in VALUES and strings are not valid. */
+ top = left = Qunbound;
icon_left = icon_top = Qunbound;
+ /* Provide default values for HEIGHT and WIDTH. */
+ if (FRAME_NEW_WIDTH (f))
+ width = FRAME_NEW_WIDTH (f);
+ else
+ width = FRAME_WIDTH (f);
+
+ if (FRAME_NEW_HEIGHT (f))
+ height = FRAME_NEW_HEIGHT (f);
+ else
+ height = FRAME_HEIGHT (f);
+
+ /* Process foreground_color and background_color before anything else.
+ They are independent of other properties, but other properties (e.g.,
+ cursor_color) are dependent upon them. */
+ for (p = 0; p < i; p++)
+ {
+ Lisp_Object prop, val;
+
+ prop = parms[p];
+ val = values[p];
+ if (EQ (prop, Qforeground_color) || EQ (prop, Qbackground_color))
+ {
+ register Lisp_Object param_index, old_value;
+
+ param_index = Fget (prop, Qx_frame_parameter);
+ old_value = get_frame_param (f, prop);
+ store_frame_param (f, prop, val);
+ if (NATNUMP (param_index)
+ && (XFASTINT (param_index)
+ < sizeof (x_frame_parms)/sizeof (x_frame_parms[0])))
+ (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value);
+ }
+ }
+
/* Now process them in reverse of specified order. */
for (i--; i >= 0; i--)
{
prop = parms[i];
val = values[i];
- if (EQ (prop, Qwidth))
- width = val;
- else if (EQ (prop, Qheight))
- height = val;
+ if (EQ (prop, Qwidth) && NUMBERP (val))
+ width = XFASTINT (val);
+ else if (EQ (prop, Qheight) && NUMBERP (val))
+ height = XFASTINT (val);
else if (EQ (prop, Qtop))
top = val;
else if (EQ (prop, Qleft))
icon_top = val;
else if (EQ (prop, Qicon_left))
icon_left = val;
+ else if (EQ (prop, Qforeground_color) || EQ (prop, Qbackground_color))
+ /* Processed above. */
+ continue;
else
{
register Lisp_Object param_index, old_value;
XSETINT (icon_top, 0);
}
- /* Don't die if just one of these was set. */
- if (EQ (width, Qunbound))
- {
- if (FRAME_NEW_WIDTH (f))
- XSETINT (width, FRAME_NEW_WIDTH (f));
- else
- XSETINT (width, FRAME_WIDTH (f));
- }
- if (EQ (height, Qunbound))
- {
- if (FRAME_NEW_HEIGHT (f))
- XSETINT (height, FRAME_NEW_HEIGHT (f));
- else
- XSETINT (height, FRAME_HEIGHT (f));
- }
-
/* Don't set these parameters unless they've been explicitly
specified. The window might be mapped or resized while we're in
this function, and we don't want to override that unless the lisp
XSETFRAME (frame, f);
- if ((NUMBERP (width) && XINT (width) != FRAME_WIDTH (f))
- || (NUMBERP (height) && XINT (height) != FRAME_HEIGHT (f))
+ if (width != FRAME_WIDTH (f)
+ || height != FRAME_HEIGHT (f)
|| FRAME_NEW_HEIGHT (f) || FRAME_NEW_WIDTH (f))
- Fset_frame_size (frame, width, height);
+ Fset_frame_size (frame, make_number (width), make_number (height));
if ((!NILP (left) || !NILP (top))
&& ! (left_no_change && top_no_change)
&& ! (icon_left_no_change && icon_top_no_change))
x_wm_set_icon_position (f, XINT (icon_left), XINT (icon_top));
}
+
+ UNGCPRO;
}
/* Store the screen positions of frame F into XPTR and YPTR.
the problem that arises when restarting window-managers. */
#ifdef USE_X_TOOLKIT
- Window outer = XtWindow (f->output_data.x->widget);
+ Window outer = (f->output_data.x->widget
+ ? XtWindow (f->output_data.x->widget)
+ : FRAME_X_WINDOW (f));
#else
Window outer = f->output_data.x->window_desc;
#endif
while (1)
{
- x_catch_errors (FRAME_X_DISPLAY (f));
+ int count = x_catch_errors (FRAME_X_DISPLAY (f));
+ Window outer_window;
XQueryTree (FRAME_X_DISPLAY (f), outer, &tmp_root_window,
&f->output_data.x->parent_desc,
/* Find the position of the outside upper-left corner of
the inner window, with respect to the outer window. */
if (f->output_data.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window)
- {
- XTranslateCoordinates (FRAME_X_DISPLAY (f),
+ outer_window = f->output_data.x->parent_desc;
+ else
+ outer_window = outer;
- /* From-window, to-window. */
-#ifdef USE_X_TOOLKIT
- XtWindow (f->output_data.x->widget),
-#else
- f->output_data.x->window_desc,
-#endif
- f->output_data.x->parent_desc,
+ XTranslateCoordinates (FRAME_X_DISPLAY (f),
- /* From-position, to-position. */
- 0, 0, &win_x, &win_y,
+ /* From-window, to-window. */
+ outer_window,
+ FRAME_X_DISPLAY_INFO (f)->root_window,
- /* Child of win. */
- &child);
+ /* From-position, to-position. */
+ 0, 0, &win_x, &win_y,
-#if 0 /* The values seem to be right without this and wrong with. */
- win_x += f->output_data.x->border_width;
- win_y += f->output_data.x->border_width;
-#endif
- }
+ /* Child of win. */
+ &child);
/* It is possible for the window returned by the XQueryNotify
to become invalid by the time we call XTranslateCoordinates.
Detect that and try the whole thing over. */
if (! x_had_errors_p (FRAME_X_DISPLAY (f)))
{
- x_uncatch_errors (FRAME_X_DISPLAY (f));
+ x_uncatch_errors (FRAME_X_DISPLAY (f), count);
break;
}
- x_uncatch_errors (FRAME_X_DISPLAY (f));
+ x_uncatch_errors (FRAME_X_DISPLAY (f), count);
}
- *xptr = f->output_data.x->left_pos - win_x;
- *yptr = f->output_data.x->top_pos - win_y;
+ *xptr = win_x;
+ *yptr = win_y;
}
/* Insert a description of internally-recorded parameters of frame X
and whose values are not correctly recorded in the frame's
param_alist need to be considered here. */
+void
x_report_frame_params (f, alistptr)
struct frame *f;
Lisp_Object *alistptr;
sprintf (buf, "%ld", (long) FRAME_X_WINDOW (f));
store_in_alist (alistptr, Qwindow_id,
build_string (buf));
+#ifdef USE_X_TOOLKIT
+ /* Tooltip frame may not have this widget. */
+ if (f->output_data.x->widget)
+#endif
+ sprintf (buf, "%ld", (long) FRAME_OUTER_WINDOW (f));
+ store_in_alist (alistptr, Qouter_window_id,
+ build_string (buf));
store_in_alist (alistptr, Qicon_name, f->icon_name);
FRAME_SAMPLE_VISIBILITY (f);
store_in_alist (alistptr, Qvisibility,
: FRAME_ICONIFIED_P (f) ? Qicon : Qnil));
store_in_alist (alistptr, Qdisplay,
XCONS (FRAME_X_DISPLAY_INFO (f)->name_list_element)->car);
+
+ if (f->output_data.x->parent_desc == FRAME_X_DISPLAY_INFO (f)->root_window)
+ tem = Qnil;
+ else
+ XSETFASTINT (tem, f->output_data.x->parent_desc);
+ store_in_alist (alistptr, Qparent_id, tem);
}
\f
struct frame *f;
Lisp_Object arg, oldval;
{
- f->output_data.x->foreground_pixel
+ unsigned long pixel
= x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
+
+ unload_color (f, f->output_data.x->foreground_pixel);
+ f->output_data.x->foreground_pixel = pixel;
+
if (FRAME_X_WINDOW (f) != 0)
{
BLOCK_INPUT;
Pixmap temp;
int mask;
- f->output_data.x->background_pixel
+ unsigned long pixel
= x_decode_color (f, arg, WHITE_PIX_DEFAULT (f));
+ unload_color (f, f->output_data.x->background_pixel);
+ f->output_data.x->background_pixel = pixel;
+
if (FRAME_X_WINDOW (f) != 0)
{
BLOCK_INPUT;
Lisp_Object arg, oldval;
{
Cursor cursor, nontext_cursor, mode_cursor, cross_cursor;
- int mask_color;
+ Cursor busy_cursor;
+ int count;
+ unsigned long pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
+ unsigned long mask_color = f->output_data.x->background_pixel;
+
+ /* Don't let pointers be invisible. */
+ if (mask_color == pixel
+ && mask_color == f->output_data.x->background_pixel)
+ pixel = f->output_data.x->foreground_pixel;
- if (!EQ (Qnil, arg))
- f->output_data.x->mouse_pixel
- = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
- mask_color = f->output_data.x->background_pixel;
- /* No invisible pointers. */
- if (mask_color == f->output_data.x->mouse_pixel
- && mask_color == f->output_data.x->background_pixel)
- f->output_data.x->mouse_pixel = f->output_data.x->foreground_pixel;
+ unload_color (f, f->output_data.x->mouse_pixel);
+ f->output_data.x->mouse_pixel = pixel;
BLOCK_INPUT;
/* It's not okay to crash if the user selects a screwy cursor. */
- x_catch_errors (FRAME_X_DISPLAY (f));
+ count = x_catch_errors (FRAME_X_DISPLAY (f));
if (!EQ (Qnil, Vx_pointer_shape))
{
nontext_cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_left_ptr);
x_check_errors (FRAME_X_DISPLAY (f), "bad nontext pointer cursor: %s");
+ if (!EQ (Qnil, Vx_busy_pointer_shape))
+ {
+ CHECK_NUMBER (Vx_busy_pointer_shape, 0);
+ busy_cursor = XCreateFontCursor (FRAME_X_DISPLAY (f),
+ XINT (Vx_busy_pointer_shape));
+ }
+ else
+ busy_cursor = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_watch);
+ x_check_errors (FRAME_X_DISPLAY (f), "bad busy pointer cursor: %s");
+
+ x_check_errors (FRAME_X_DISPLAY (f), "bad nontext pointer cursor: %s");
if (!EQ (Qnil, Vx_mode_pointer_shape))
{
CHECK_NUMBER (Vx_mode_pointer_shape, 0);
/* Check and report errors with the above calls. */
x_check_errors (FRAME_X_DISPLAY (f), "can't set cursor shape: %s");
- x_uncatch_errors (FRAME_X_DISPLAY (f));
+ x_uncatch_errors (FRAME_X_DISPLAY (f), count);
{
XColor fore_color, back_color;
&fore_color, &back_color);
XRecolorCursor (FRAME_X_DISPLAY (f), cross_cursor,
&fore_color, &back_color);
+ XRecolorCursor (FRAME_X_DISPLAY (f), busy_cursor,
+ &fore_color, &back_color);
}
if (FRAME_X_WINDOW (f) != 0)
- {
- XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), cursor);
- }
+ XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), cursor);
if (cursor != f->output_data.x->text_cursor && f->output_data.x->text_cursor != 0)
XFreeCursor (FRAME_X_DISPLAY (f), f->output_data.x->text_cursor);
XFreeCursor (FRAME_X_DISPLAY (f), f->output_data.x->nontext_cursor);
f->output_data.x->nontext_cursor = nontext_cursor;
+ if (busy_cursor != f->output_data.x->busy_cursor
+ && f->output_data.x->busy_cursor != 0)
+ XFreeCursor (FRAME_X_DISPLAY (f), f->output_data.x->busy_cursor);
+ f->output_data.x->busy_cursor = busy_cursor;
+
if (mode_cursor != f->output_data.x->modeline_cursor
&& f->output_data.x->modeline_cursor != 0)
XFreeCursor (FRAME_X_DISPLAY (f), f->output_data.x->modeline_cursor);
f->output_data.x->modeline_cursor = mode_cursor;
+
if (cross_cursor != f->output_data.x->cross_cursor
&& f->output_data.x->cross_cursor != 0)
XFreeCursor (FRAME_X_DISPLAY (f), f->output_data.x->cross_cursor);
struct frame *f;
Lisp_Object arg, oldval;
{
- unsigned long fore_pixel;
+ unsigned long fore_pixel, pixel;
if (!EQ (Vx_cursor_fore_pixel, Qnil))
fore_pixel = x_decode_color (f, Vx_cursor_fore_pixel,
WHITE_PIX_DEFAULT (f));
else
fore_pixel = f->output_data.x->background_pixel;
- f->output_data.x->cursor_pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
-
+ pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
+
/* Make sure that the cursor color differs from the background color. */
- if (f->output_data.x->cursor_pixel == f->output_data.x->background_pixel)
+ if (pixel == f->output_data.x->background_pixel)
{
- f->output_data.x->cursor_pixel = f->output_data.x->mouse_pixel;
- if (f->output_data.x->cursor_pixel == fore_pixel)
+ pixel = f->output_data.x->mouse_pixel;
+ if (pixel == fore_pixel)
fore_pixel = f->output_data.x->background_pixel;
}
+
+ unload_color (f, f->output_data.x->cursor_foreground_pixel);
f->output_data.x->cursor_foreground_pixel = fore_pixel;
+ unload_color (f, f->output_data.x->cursor_pixel);
+ f->output_data.x->cursor_pixel = pixel;
+
if (FRAME_X_WINDOW (f) != 0)
{
BLOCK_INPUT;
if (FRAME_VISIBLE_P (f))
{
- x_display_cursor (f, 0);
- x_display_cursor (f, 1);
+ x_update_cursor (f, 0);
+ x_update_cursor (f, 1);
}
}
}
Note that this does not fully take effect if done before
F has an x-window. */
+void
x_set_border_pixel (f, pix)
struct frame *f;
int pix;
{
+ unload_color (f, f->output_data.x->border_pixel);
f->output_data.x->border_pixel = pix;
if (FRAME_X_WINDOW (f) != 0 && f->output_data.x->border_width > 0)
{
if (EQ (arg, Qbar))
{
- FRAME_DESIRED_CURSOR (f) = bar_cursor;
+ FRAME_DESIRED_CURSOR (f) = BAR_CURSOR;
f->output_data.x->cursor_width = 2;
}
else if (CONSP (arg) && EQ (XCONS (arg)->car, Qbar)
&& INTEGERP (XCONS (arg)->cdr))
{
- FRAME_DESIRED_CURSOR (f) = bar_cursor;
+ FRAME_DESIRED_CURSOR (f) = BAR_CURSOR;
f->output_data.x->cursor_width = XINT (XCONS (arg)->cdr);
}
else
/* Treat anything unknown as "box cursor".
It was bad to signal an error; people have trouble fixing
.Xdefaults with Emacs, when it has something bad in it. */
- FRAME_DESIRED_CURSOR (f) = filled_box_cursor;
+ FRAME_DESIRED_CURSOR (f) = FILLED_BOX_CURSOR;
/* Make sure the cursor gets redrawn. This is overkill, but how
often do people change cursor types? */
struct frame *f;
Lisp_Object arg, oldval;
{
- Lisp_Object tem;
int result;
if (STRINGP (arg))
struct frame *f;
Lisp_Object arg, oldval;
{
- Lisp_Object tem;
int result;
if (STRINGP (arg))
UNBLOCK_INPUT;
}
\f
-extern Lisp_Object x_new_font ();
-
void
x_set_font (f, arg, oldval)
struct frame *f;
Lisp_Object arg, oldval;
{
Lisp_Object result;
+ Lisp_Object fontset_name;
+ Lisp_Object frame;
CHECK_STRING (arg, 1);
+ fontset_name = Fquery_fontset (arg, Qnil);
+
BLOCK_INPUT;
- result = x_new_font (f, XSTRING (arg)->data);
+ result = (STRINGP (fontset_name)
+ ? x_new_fontset (f, XSTRING (fontset_name)->data)
+ : x_new_font (f, XSTRING (arg)->data));
UNBLOCK_INPUT;
if (EQ (result, Qnil))
error ("Font `%s' is not defined", XSTRING (arg)->data);
else if (EQ (result, Qt))
- error ("the characters of the given font have varying widths");
+ error ("The characters of the given font have varying widths");
else if (STRINGP (result))
{
- recompute_basic_faces (f);
store_frame_param (f, Qfont, result);
+ recompute_basic_faces (f);
}
else
abort ();
+
+ do_pending_window_change ();
+
+ /* Don't call `face-set-after-frame-default' when faces haven't been
+ initialized yet. This is the case when called from
+ Fx_create_frame. In that case, the X widget or window doesn't
+ exist either, and we can end up in x_report_frame_params with a
+ null widget which gives a segfault. */
+ if (FRAME_FACE_CACHE (f))
+ {
+ XSETFRAME (frame, f);
+ call1 (Qface_set_after_frame_default, frame);
+ }
}
void
struct frame *f;
Lisp_Object arg, oldval;
{
- int mask;
int old = f->output_data.x->internal_border_width;
CHECK_NUMBER (arg, 0);
if (f->output_data.x->internal_border_width < 0)
f->output_data.x->internal_border_width = 0;
+#ifdef USE_X_TOOLKIT
+ if (f->output_data.x->edit_widget)
+ widget_store_internal_border (f->output_data.x->edit_widget);
+#endif
+
if (f->output_data.x->internal_border_width == old)
return;
if (FRAME_X_WINDOW (f) != 0)
{
- BLOCK_INPUT;
x_set_window_size (f, 0, f->width, f->height);
-#if 0
- x_set_resize_hint (f);
-#endif
- XFlush (FRAME_X_DISPLAY (f));
- UNBLOCK_INPUT;
SET_FRAME_GARBAGED (f);
+ do_pending_window_change ();
}
}
/* Right now, menu bars don't work properly in minibuf-only frames;
most of the commands try to apply themselves to the minibuffer
- frame itslef, and get an error because you can't switch buffers
+ frame itself, and get an error because you can't switch buffers
in or split the minibuffer window. */
if (FRAME_MINIBUF_ONLY_P (f))
return;
else
nlines = 0;
+ /* Make sure we redisplay all windows in this frame. */
+ windows_or_buffers_changed++;
+
#ifdef USE_X_TOOLKIT
FRAME_MENU_BAR_LINES (f) = 0;
if (nlines)
FRAME_MENU_BAR_LINES (f) = nlines;
x_set_menu_bar_lines_1 (f->root_window, nlines - olines);
#endif /* not USE_X_TOOLKIT */
+ adjust_glyphs (f);
+}
+
+
+/* Set the number of lines used for the tool bar of frame F to VALUE.
+ VALUE not an integer, or < 0 means set the lines to zero. OLDVAL
+ is the old number of tool bar lines. This function changes the
+ height of all windows on frame F to match the new tool bar height.
+ The frame's height doesn't change. */
+
+void
+x_set_toolbar_lines (f, value, oldval)
+ struct frame *f;
+ Lisp_Object value, oldval;
+{
+ int delta, nlines;
+
+ /* Use VALUE only if an integer >= 0. */
+ if (INTEGERP (value) && XINT (value) >= 0)
+ nlines = XFASTINT (value);
+ else
+ nlines = 0;
+
+ /* Make sure we redisplay all windows in this frame. */
+ ++windows_or_buffers_changed;
+
+ delta = nlines - FRAME_TOOLBAR_LINES (f);
+ FRAME_TOOLBAR_LINES (f) = nlines;
+ x_set_menu_bar_lines_1 (FRAME_ROOT_WINDOW (f), delta);
+ adjust_glyphs (f);
+}
+
+
+/* Set the foreground color for scroll bars on frame F to VALUE.
+ VALUE should be a string, a color name. If it isn't a string or
+ isn't a valid color name, do nothing. OLDVAL is the old value of
+ the frame parameter. */
+
+void
+x_set_scroll_bar_foreground (f, value, oldval)
+ struct frame *f;
+ Lisp_Object value, oldval;
+{
+ unsigned long pixel;
+
+ if (STRINGP (value))
+ pixel = x_decode_color (f, value, BLACK_PIX_DEFAULT (f));
+ else
+ pixel = -1;
+
+ if (f->output_data.x->scroll_bar_foreground_pixel != -1)
+ unload_color (f, f->output_data.x->scroll_bar_foreground_pixel);
+
+ f->output_data.x->scroll_bar_foreground_pixel = pixel;
+ if (FRAME_X_WINDOW (f) && FRAME_VISIBLE_P (f))
+ {
+ /* Remove all scroll bars because they have wrong colors. */
+ if (condemn_scroll_bars_hook)
+ (*condemn_scroll_bars_hook) (f);
+ if (judge_scroll_bars_hook)
+ (*judge_scroll_bars_hook) (f);
+
+ redraw_frame (f);
+ }
+}
+
+
+/* Set the background color for scroll bars on frame F to VALUE VALUE
+ should be a string, a color name. If it isn't a string or isn't a
+ valid color name, do nothing. OLDVAL is the old value of the frame
+ parameter. */
+
+void
+x_set_scroll_bar_background (f, value, oldval)
+ struct frame *f;
+ Lisp_Object value, oldval;
+{
+ unsigned long pixel;
+
+ if (STRINGP (value))
+ pixel = x_decode_color (f, value, WHITE_PIX_DEFAULT (f));
+ else
+ pixel = -1;
+
+ if (f->output_data.x->scroll_bar_background_pixel != -1)
+ unload_color (f, f->output_data.x->scroll_bar_background_pixel);
+
+ f->output_data.x->scroll_bar_background_pixel = pixel;
+ if (FRAME_X_WINDOW (f) && FRAME_VISIBLE_P (f))
+ {
+ /* Remove all scroll bars because they have wrong colors. */
+ if (condemn_scroll_bars_hook)
+ (*condemn_scroll_bars_hook) (f);
+ if (judge_scroll_bars_hook)
+ (*judge_scroll_bars_hook) (f);
+
+ redraw_frame (f);
+ }
}
+
\f
/* Change the name of frame F to NAME. If NAME is nil, set F's name to
x_id_name.
text.value = XSTRING (name)->data;
text.encoding = XA_STRING;
text.format = 8;
- text.nitems = XSTRING (name)->size;
+ text.nitems = STRING_BYTES (XSTRING (name));
icon_name = (!NILP (f->icon_name) ? f->icon_name : name);
icon.value = XSTRING (icon_name)->data;
icon.encoding = XA_STRING;
icon.format = 8;
- icon.nitems = XSTRING (icon_name)->size;
+ icon.nitems = STRING_BYTES (XSTRING (icon_name));
#ifdef USE_X_TOOLKIT
XSetWMName (FRAME_X_DISPLAY (f),
XtWindow (f->output_data.x->widget), &text);
if (NILP (name))
name = f->name;
+ else
+ CHECK_STRING (name, 0);
if (FRAME_X_WINDOW (f))
{
text.value = XSTRING (name)->data;
text.encoding = XA_STRING;
text.format = 8;
- text.nitems = XSTRING (name)->size;
+ text.nitems = STRING_BYTES (XSTRING (name));
icon_name = (!NILP (f->icon_name) ? f->icon_name : name);
icon.value = XSTRING (icon_name)->data;
icon.encoding = XA_STRING;
icon.format = 8;
- icon.nitems = XSTRING (icon_name)->size;
+ icon.nitems = STRING_BYTES (XSTRING (icon_name));
#ifdef USE_X_TOOLKIT
XSetWMName (FRAME_X_DISPLAY (f),
XtWindow (f->output_data.x->widget), &text);
struct frame *f;
Lisp_Object arg, oldval;
{
- if (NILP (arg) != ! FRAME_HAS_VERTICAL_SCROLL_BARS (f))
+ if ((EQ (arg, Qleft) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f))
+ || (EQ (arg, Qright) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f))
+ || (NILP (arg) && FRAME_HAS_VERTICAL_SCROLL_BARS (f))
+ || (!NILP (arg) && ! FRAME_HAS_VERTICAL_SCROLL_BARS (f)))
{
- FRAME_HAS_VERTICAL_SCROLL_BARS (f) = ! NILP (arg);
+ FRAME_VERTICAL_SCROLL_BAR_TYPE (f)
+ = (NILP (arg)
+ ? vertical_scroll_bar_none
+ : EQ (Qright, arg)
+ ? vertical_scroll_bar_right
+ : vertical_scroll_bar_left);
/* We set this parameter before creating the X window for the
frame, so we can get the geometry right from the start.
call x_set_window_size. */
if (FRAME_X_WINDOW (f))
x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f));
+ do_pending_window_change ();
}
}
struct frame *f;
Lisp_Object arg, oldval;
{
+ int wid = FONT_WIDTH (f->output_data.x->font);
+
if (NILP (arg))
{
+#ifdef USE_X_TOOLKIT
+ /* A too wide or narrow toolkit scroll bar doesn't look good. */
+ int width = 16 + 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM;
+ FRAME_SCROLL_BAR_COLS (f) = (width + wid - 1) / wid;
+ FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = width;
+#else
+ /* Make the actual width at least 14 pixels and a multiple of a
+ character width. */
+ FRAME_SCROLL_BAR_COLS (f) = (14 + wid - 1) / wid;
+
+ /* Use all of that space (aside from required margins) for the
+ scroll bar. */
FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = 0;
- FRAME_SCROLL_BAR_COLS (f) = 2;
+#endif
+
+ if (FRAME_X_WINDOW (f))
+ x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f));
+ do_pending_window_change ();
}
else if (INTEGERP (arg) && XINT (arg) > 0
&& XFASTINT (arg) != FRAME_SCROLL_BAR_PIXEL_WIDTH (f))
{
- int wid = FONT_WIDTH (f->output_data.x->font);
+ if (XFASTINT (arg) <= 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM)
+ XSETINT (arg, 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM + 1);
+
FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = XFASTINT (arg);
FRAME_SCROLL_BAR_COLS (f) = (XFASTINT (arg) + wid-1) / wid;
if (FRAME_X_WINDOW (f))
x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f));
}
+
+ change_frame_size (f, 0, FRAME_WIDTH (f), 0, 0);
+ XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.hpos = 0;
+ XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.x = 0;
}
+
+
\f
/* Subroutines of creating an X frame. */
static void
validate_x_resource_name ()
{
- int len;
+ int len = 0;
/* Number of valid characters in the resource name. */
int good_count = 0;
/* Number of invalid characters in the resource name. */
Lisp_Object new;
int i;
+ if (!STRINGP (Vx_resource_class))
+ Vx_resource_class = build_string (EMACS_CLASS);
+
if (STRINGP (Vx_resource_name))
{
unsigned char *p = XSTRING (Vx_resource_name)->data;
int i;
- len = XSTRING (Vx_resource_name)->size;
+ len = STRING_BYTES (XSTRING (Vx_resource_name));
/* Only letters, digits, - and _ are valid in resource names.
Count the valid characters and count the invalid ones. */
/* Allocate space for the components, the dots which separate them,
and the final '\0'. Make them big enough for the worst case. */
- name_key = (char *) alloca (XSTRING (Vx_resource_name)->size
+ name_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_name))
+ (STRINGP (component)
- ? XSTRING (component)->size : 0)
- + XSTRING (attribute)->size
+ ? STRING_BYTES (XSTRING (component)) : 0)
+ + STRING_BYTES (XSTRING (attribute))
+ 3);
- class_key = (char *) alloca ((sizeof (EMACS_CLASS) - 1)
- + XSTRING (class)->size
+ class_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_class))
+ + STRING_BYTES (XSTRING (class))
+ (STRINGP (subclass)
- ? XSTRING (subclass)->size : 0)
+ ? STRING_BYTES (XSTRING (subclass)) : 0)
+ 3);
/* Start with emacs.FRAMENAME for the name (the specific one)
and with `Emacs' for the class key (the general one). */
strcpy (name_key, XSTRING (Vx_resource_name)->data);
- strcpy (class_key, EMACS_CLASS);
+ strcpy (class_key, XSTRING (Vx_resource_class)->data);
strcat (class_key, ".");
strcat (class_key, XSTRING (class)->data);
return Qnil;
}
+/* Get an X resource, like Fx_get_resource, but for display DPYINFO. */
+
+Lisp_Object
+display_x_get_resource (dpyinfo, attribute, class, component, subclass)
+ struct x_display_info *dpyinfo;
+ Lisp_Object attribute, class, component, subclass;
+{
+ register char *value;
+ char *name_key;
+ char *class_key;
+
+ check_x ();
+
+ CHECK_STRING (attribute, 0);
+ CHECK_STRING (class, 0);
+
+ if (!NILP (component))
+ CHECK_STRING (component, 1);
+ if (!NILP (subclass))
+ CHECK_STRING (subclass, 2);
+ if (NILP (component) != NILP (subclass))
+ error ("x-get-resource: must specify both COMPONENT and SUBCLASS or neither");
+
+ validate_x_resource_name ();
+
+ /* Allocate space for the components, the dots which separate them,
+ and the final '\0'. Make them big enough for the worst case. */
+ name_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_name))
+ + (STRINGP (component)
+ ? STRING_BYTES (XSTRING (component)) : 0)
+ + STRING_BYTES (XSTRING (attribute))
+ + 3);
+
+ class_key = (char *) alloca (STRING_BYTES (XSTRING (Vx_resource_class))
+ + STRING_BYTES (XSTRING (class))
+ + (STRINGP (subclass)
+ ? STRING_BYTES (XSTRING (subclass)) : 0)
+ + 3);
+
+ /* Start with emacs.FRAMENAME for the name (the specific one)
+ and with `Emacs' for the class key (the general one). */
+ strcpy (name_key, XSTRING (Vx_resource_name)->data);
+ strcpy (class_key, XSTRING (Vx_resource_class)->data);
+
+ strcat (class_key, ".");
+ strcat (class_key, XSTRING (class)->data);
+
+ if (!NILP (component))
+ {
+ strcat (class_key, ".");
+ strcat (class_key, XSTRING (subclass)->data);
+
+ strcat (name_key, ".");
+ strcat (name_key, XSTRING (component)->data);
+ }
+
+ strcat (name_key, ".");
+ strcat (name_key, XSTRING (attribute)->data);
+
+ value = x_get_string_resource (dpyinfo->xrdb, name_key, class_key);
+
+ if (value != (char *) 0)
+ return build_string (value);
+ else
+ return Qnil;
+}
+
/* Used when C code wants a resource value. */
char *
x_get_resource_string (attribute, class)
char *attribute, *class;
{
- register char *value;
char *name_key;
char *class_key;
/* Allocate space for the components, the dots which separate them,
and the final '\0'. */
- name_key = (char *) alloca (XSTRING (Vinvocation_name)->size
+ name_key = (char *) alloca (STRING_BYTES (XSTRING (Vinvocation_name))
+ strlen (attribute) + 2);
class_key = (char *) alloca ((sizeof (EMACS_CLASS) - 1)
+ strlen (class) + 2);
/* Types we might convert a resource string into. */
enum resource_types
- {
- number, boolean, string, symbol
- };
+{
+ RES_TYPE_NUMBER,
+ RES_TYPE_BOOLEAN,
+ RES_TYPE_STRING,
+ RES_TYPE_SYMBOL
+};
/* Return the value of parameter PARAM.
and don't let it get stored in any Lisp-visible variables! */
static Lisp_Object
-x_get_arg (alist, param, attribute, class, type)
+x_get_arg (dpyinfo, alist, param, attribute, class, type)
+ struct x_display_info *dpyinfo;
Lisp_Object alist, param;
char *attribute;
char *class;
if (attribute)
{
- tem = Fx_get_resource (build_string (attribute),
- build_string (class),
- Qnil, Qnil);
+ tem = display_x_get_resource (dpyinfo,
+ build_string (attribute),
+ build_string (class),
+ Qnil, Qnil);
if (NILP (tem))
return Qunbound;
switch (type)
{
- case number:
+ case RES_TYPE_NUMBER:
return make_number (atoi (XSTRING (tem)->data));
- case boolean:
+ case RES_TYPE_BOOLEAN:
tem = Fdowncase (tem);
if (!strcmp (XSTRING (tem)->data, "on")
|| !strcmp (XSTRING (tem)->data, "true"))
else
return Qnil;
- case string:
+ case RES_TYPE_STRING:
return tem;
- case symbol:
+ case RES_TYPE_SYMBOL:
/* As a special case, we map the values `true' and `on'
to Qt, and `false' and `off' to Qnil. */
{
return Fcdr (tem);
}
+/* Like x_get_arg, but also record the value in f->param_alist. */
+
+static Lisp_Object
+x_get_and_record_arg (f, alist, param, attribute, class, type)
+ struct frame *f;
+ Lisp_Object alist, param;
+ char *attribute;
+ char *class;
+ enum resource_types type;
+{
+ Lisp_Object value;
+
+ value = x_get_arg (FRAME_X_DISPLAY_INFO (f), alist, param,
+ attribute, class, type);
+ if (! NILP (value))
+ store_frame_param (f, param, value);
+
+ return value;
+}
+
/* Record in frame F the specified or default value according to ALIST
- of the parameter named PARAM (a Lisp symbol).
- If no value is specified for PARAM, look for an X default for XPROP
+ of the parameter named PROP (a Lisp symbol).
+ If no value is specified for PROP, look for an X default for XPROP
on the frame named NAME.
If that is not found either, use the value DEFLT. */
{
Lisp_Object tem;
- tem = x_get_arg (alist, prop, xprop, xclass, type);
+ tem = x_get_arg (FRAME_X_DISPLAY_INFO (f), alist, prop, xprop, xclass, type);
if (EQ (tem, Qunbound))
tem = deflt;
x_set_frame_parameters (f, Fcons (Fcons (prop, tem), Qnil));
return tem;
}
+
+
+/* Record in frame F the specified or default value according to ALIST
+ of the parameter named PROP (a Lisp symbol). If no value is
+ specified for PROP, look for an X default for XPROP on the frame
+ named NAME. If that is not found either, use the value DEFLT. */
+
+static Lisp_Object
+x_default_scroll_bar_color_parameter (f, alist, prop, xprop, xclass,
+ foreground_p)
+ struct frame *f;
+ Lisp_Object alist;
+ Lisp_Object prop;
+ char *xprop;
+ char *xclass;
+ int foreground_p;
+{
+ struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
+ Lisp_Object tem;
+
+ tem = x_get_arg (dpyinfo, alist, prop, xprop, xclass, RES_TYPE_STRING);
+ if (EQ (tem, Qunbound))
+ {
+#ifdef USE_TOOLKIT_SCROLL_BARS
+
+ /* See if an X resource for the scroll bar color has been
+ specified. */
+ tem = display_x_get_resource (dpyinfo,
+ build_string (foreground_p
+ ? "foreground"
+ : "background"),
+ build_string (""),
+ build_string ("verticalScrollBar"),
+ build_string (""));
+ if (!STRINGP (tem))
+ {
+ /* If nothing has been specified, scroll bars will use a
+ toolkit-dependent default. Because these defaults are
+ difficult to get at without actually creating a scroll
+ bar, use nil to indicate that no color has been
+ specified. */
+ tem = Qnil;
+ }
+
+#else /* not USE_TOOLKIT_SCROLL_BARS */
+
+ tem = Qnil;
+
+#endif /* not USE_TOOLKIT_SCROLL_BARS */
+ }
+
+ x_set_frame_parameters (f, Fcons (Fcons (prop, tem), Qnil));
+ return tem;
+}
+
+
\f
DEFUN ("x-parse-geometry", Fx_parse_geometry, Sx_parse_geometry, 1, 1, 0,
"Parse an X-style geometry string STRING.\n\
int height, width, left, top;
register int geometry;
long window_prompting = 0;
+ struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
/* Default values if we fall through.
Actually, if that happens we should get
window manager prompting. */
- f->width = DEFAULT_COLS;
+ SET_FRAME_WIDTH (f, DEFAULT_COLS);
f->height = DEFAULT_ROWS;
/* Window managers expect that if program-specified
positions are not (0,0), they're intentional, not defaults. */
f->output_data.x->top_pos = 0;
f->output_data.x->left_pos = 0;
- tem0 = x_get_arg (parms, Qheight, 0, 0, number);
- tem1 = x_get_arg (parms, Qwidth, 0, 0, number);
- tem2 = x_get_arg (parms, Quser_size, 0, 0, number);
+ tem0 = x_get_arg (dpyinfo, parms, Qheight, 0, 0, RES_TYPE_NUMBER);
+ tem1 = x_get_arg (dpyinfo, parms, Qwidth, 0, 0, RES_TYPE_NUMBER);
+ tem2 = x_get_arg (dpyinfo, parms, Quser_size, 0, 0, RES_TYPE_NUMBER);
if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound))
{
if (!EQ (tem0, Qunbound))
if (!EQ (tem1, Qunbound))
{
CHECK_NUMBER (tem1, 0);
- f->width = XINT (tem1);
+ SET_FRAME_WIDTH (f, XINT (tem1));
}
if (!NILP (tem2) && !EQ (tem2, Qunbound))
window_prompting |= USSize;
f->output_data.x->vertical_scroll_bar_extra
= (!FRAME_HAS_VERTICAL_SCROLL_BARS (f)
? 0
- : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0
- ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f)
: (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.x->font)));
+ f->output_data.x->flags_areas_extra
+ = 2 * FRAME_FLAGS_AREA_WIDTH (f);
f->output_data.x->pixel_width = CHAR_TO_PIXEL_WIDTH (f, f->width);
f->output_data.x->pixel_height = CHAR_TO_PIXEL_HEIGHT (f, f->height);
- tem0 = x_get_arg (parms, Qtop, 0, 0, number);
- tem1 = x_get_arg (parms, Qleft, 0, 0, number);
- tem2 = x_get_arg (parms, Quser_position, 0, 0, number);
+ tem0 = x_get_arg (dpyinfo, parms, Qtop, 0, 0, RES_TYPE_NUMBER);
+ tem1 = x_get_arg (dpyinfo, parms, Qleft, 0, 0, RES_TYPE_NUMBER);
+ tem2 = x_get_arg (dpyinfo, parms, Quser_position, 0, 0, RES_TYPE_NUMBER);
if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound))
{
if (EQ (tem0, Qminus))
: 0);
extern char *lwlib_toolkit_type;
+#if 0 /* Experimentally, we now get the right results
+ for -geometry -0-0 without this. 24 Aug 96, rms. */
if (FRAME_EXTERNAL_MENU_BAR (f))
{
Dimension ibw = 0;
XtVaGetValues (pane_widget, XtNinternalBorderWidth, &ibw, NULL);
menubar_size += ibw;
}
+#endif
f->output_data.x->menubar_height = menubar_size;
+#ifndef USE_LUCID
/* Motif seems to need this amount added to the sizes
specified for the shell widget. The Athena/Lucid widgets don't.
Both conclusions reached experimentally. -- rms. */
- if (!strcmp (lwlib_toolkit_type, "motif"))
- XtVaGetValues (f->output_data.x->edit_widget, XtNinternalBorderWidth,
- &extra_borders, NULL);
+ XtVaGetValues (f->output_data.x->edit_widget, XtNinternalBorderWidth,
+ &extra_borders, NULL);
+ extra_borders *= 2;
+#endif
/* Convert our geometry parameters into a geometry string
and specify it.
}
len = strlen (shell_position) + 1;
+ /* We don't free this because we don't know whether
+ it is safe to free it while the frame exists.
+ It isn't worth the trouble of arranging to free it
+ when the frame is deleted. */
tem = (char *) xmalloc (len);
strncpy (tem, shell_position, len);
XtSetArg (al[ac], XtNgeometry, tem); ac++;
validate_x_resource_name ();
class_hints.res_name = (char *) XSTRING (Vx_resource_name)->data;
- class_hints.res_class = EMACS_CLASS;
+ class_hints.res_class = (char *) XSTRING (Vx_resource_class)->data;
XSetClassHint (FRAME_X_DISPLAY (f), XtWindow (shell_widget), &class_hints);
#ifdef HAVE_X_I18N
#endif
/* Do a stupid property change to force the server to generate a
- propertyNotify event so that the event_stream server timestamp will
+ PropertyNotify event so that the event_stream server timestamp will
be initialized to something relevant to the time we created the window.
*/
XChangeProperty (XtDisplay (frame_widget), XtWindow (frame_widget),
UNBLOCK_INPUT;
- if (!minibuffer_only && FRAME_EXTERNAL_MENU_BAR (f))
- initialize_frame_menubar (f);
- lw_set_main_areas (pane_widget, f->output_data.x->menubar_widget, frame_widget);
-
- if (FRAME_X_WINDOW (f) == 0)
- error ("Unable to create window");
+ /* This is a no-op, except under Motif. Make sure main areas are
+ set to something reasonable, in case we get an error later. */
+ lw_set_main_areas (pane_widget, 0, frame_widget);
}
#else /* not USE_X_TOOLKIT */
/* Create and set up the X window for frame F. */
+void
x_window (f)
struct frame *f;
validate_x_resource_name ();
class_hints.res_name = (char *) XSTRING (Vx_resource_name)->data;
- class_hints.res_class = EMACS_CLASS;
+ class_hints.res_class = (char *) XSTRING (Vx_resource_class)->data;
XSetClassHint (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &class_hints);
/* The menubar is part of the ordinary display;
Lisp_Object parms;
{
Lisp_Object icon_x, icon_y;
+ struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
/* Set the position of the icon. Note that twm groups all
icons in an icon window. */
- icon_x = x_get_arg (parms, Qicon_left, 0, 0, number);
- icon_y = x_get_arg (parms, Qicon_top, 0, 0, number);
+ icon_x = x_get_and_record_arg (f, parms, Qicon_left, 0, 0, RES_TYPE_NUMBER);
+ icon_y = x_get_and_record_arg (f, parms, Qicon_top, 0, 0, RES_TYPE_NUMBER);
if (!EQ (icon_x, Qunbound) && !EQ (icon_y, Qunbound))
{
CHECK_NUMBER (icon_x, 0);
/* Start up iconic or window? */
x_wm_set_window_state
- (f, (EQ (x_get_arg (parms, Qvisibility, 0, 0, symbol), Qicon)
+ (f, (EQ (x_get_arg (dpyinfo, parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL),
+ Qicon)
? IconicState
: NormalState));
struct frame *f;
{
XGCValues gc_values;
- GC temp_gc;
- XImage tileimage;
BLOCK_INPUT;
f->output_data.x->cursor_gc
= XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
(GCFont | GCForeground | GCBackground
- | GCFillStyle | GCStipple | GCLineWidth),
+ | GCFillStyle /* | GCStipple */ | GCLineWidth),
&gc_values);
+ /* Reliefs. */
+ f->output_data.x->white_relief.gc = 0;
+ f->output_data.x->black_relief.gc = 0;
+
/* Create the gray border tile used when the pointer is not in
the frame. Since this depends on the frame's pixel values,
this must be done on a per-frame basis. */
long window_prompting = 0;
int width, height;
int count = specpdl_ptr - specpdl;
- struct gcpro gcpro1;
+ struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
Lisp_Object display;
- struct x_display_info *dpyinfo;
+ struct x_display_info *dpyinfo = NULL;
Lisp_Object parent;
struct kboard *kb;
until we know if this frame has a specified name. */
Vx_resource_name = Vinvocation_name;
- display = x_get_arg (parms, Qdisplay, 0, 0, string);
+ display = x_get_arg (dpyinfo, parms, Qdisplay, 0, 0, RES_TYPE_STRING);
if (EQ (display, Qunbound))
display = Qnil;
dpyinfo = check_x_display_info (display);
kb = &the_only_kboard;
#endif
- name = x_get_arg (parms, Qname, "name", "Name", string);
+ name = x_get_arg (dpyinfo, parms, Qname, "name", "Name", RES_TYPE_STRING);
if (!STRINGP (name)
&& ! EQ (name, Qunbound)
&& ! NILP (name))
Vx_resource_name = name;
/* See if parent window is specified. */
- parent = x_get_arg (parms, Qparent_id, NULL, NULL, number);
+ parent = x_get_arg (dpyinfo, parms, Qparent_id, NULL, NULL, RES_TYPE_NUMBER);
if (EQ (parent, Qunbound))
parent = Qnil;
if (! NILP (parent))
CHECK_NUMBER (parent, 0);
- tem = x_get_arg (parms, Qminibuffer, 0, 0, symbol);
+ /* make_frame_without_minibuffer can run Lisp code and garbage collect. */
+ /* No need to protect DISPLAY because that's not used after passing
+ it to make_frame_without_minibuffer. */
+ frame = Qnil;
+ GCPRO4 (parms, parent, name, frame);
+ tem = x_get_arg (dpyinfo, parms, Qminibuffer, "minibuffer", "Minibuffer",
+ RES_TYPE_SYMBOL);
if (EQ (tem, Qnone) || NILP (tem))
f = make_frame_without_minibuffer (Qnil, kb, display);
else if (EQ (tem, Qonly))
else
f = make_frame (1);
+ XSETFRAME (frame, f);
+
/* Note that X Windows does support scroll bars. */
FRAME_CAN_HAVE_SCROLL_BARS (f) = 1;
- XSETFRAME (frame, f);
- GCPRO1 (frame);
-
f->output_method = output_x_window;
f->output_data.x = (struct x_output *) xmalloc (sizeof (struct x_output));
bzero (f->output_data.x, sizeof (struct x_output));
f->output_data.x->icon_bitmap = -1;
+ f->output_data.x->fontset = -1;
+ f->output_data.x->scroll_bar_foreground_pixel = -1;
+ f->output_data.x->scroll_bar_background_pixel = -1;
f->icon_name
- = x_get_arg (parms, Qicon_name, "iconName", "Title", string);
+ = x_get_arg (dpyinfo, parms, Qicon_name, "iconName", "Title",
+ RES_TYPE_STRING);
if (! STRINGP (f->icon_name))
f->icon_name = Qnil;
if (!NILP (parent))
{
- f->output_data.x->parent_desc = parent;
+ f->output_data.x->parent_desc = (Window) XFASTINT (parent);
f->output_data.x->explicit_parent = 1;
}
else
f->output_data.x->explicit_parent = 0;
}
- /* Note that the frame has no physical cursor right now. */
- f->phys_cursor_x = -1;
-
/* Set the name; the functions to which we pass f expect the name to
be set. */
if (EQ (name, Qunbound) || NILP (name))
specbind (Qx_resource_name, name);
}
+ /* Create fontsets from `global_fontset_alist' before handling fonts. */
+ for (tem = Vglobal_fontset_alist; CONSP (tem); tem = XCONS (tem)->cdr)
+ fs_register_fontset (f, XCONS (tem)->car);
+
/* Extract the window parameters from the supplied values
that are needed to determine window geometry. */
{
Lisp_Object font;
- font = x_get_arg (parms, Qfont, "font", "Font", string);
+ font = x_get_arg (dpyinfo, parms, Qfont, "font", "Font", RES_TYPE_STRING);
+
BLOCK_INPUT;
/* First, try whatever font the caller has specified. */
if (STRINGP (font))
- font = x_new_font (f, XSTRING (font)->data);
+ {
+ tem = Fquery_fontset (font, Qnil);
+ if (STRINGP (tem))
+ font = x_new_fontset (f, XSTRING (tem)->data);
+ else
+ font = x_new_font (f, XSTRING (font)->data);
+ }
+
/* Try out a font which we hope has bold and italic variations. */
+ if (!STRINGP (font))
+ font = x_new_font (f, "-adobe-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-1");
if (!STRINGP (font))
font = x_new_font (f, "-misc-fixed-medium-r-normal-*-*-140-*-*-c-*-iso8859-1");
if (! STRINGP (font))
if (! STRINGP (font))
font = build_string ("fixed");
- x_default_parameter (f, parms, Qfont, font,
- "font", "Font", string);
+ x_default_parameter (f, parms, Qfont, font,
+ "font", "Font", RES_TYPE_STRING);
}
-#ifdef USE_X_TOOLKIT
+#ifdef USE_LUCID
/* Prevent lwlib/xlwmenu.c from crashing because of a bug
whereby it fails to get any font. */
xlwmenu_default_font = f->output_data.x->font;
#endif
x_default_parameter (f, parms, Qborder_width, make_number (2),
- "borderwidth", "BorderWidth", number);
+ "borderWidth", "BorderWidth", RES_TYPE_NUMBER);
+
/* This defaults to 2 in order to match xterm. We recognize either
internalBorderWidth or internalBorder (which is what xterm calls
it). */
{
Lisp_Object value;
- value = x_get_arg (parms, Qinternal_border_width,
- "internalBorder", "BorderWidth", number);
+ value = x_get_arg (dpyinfo, parms, Qinternal_border_width,
+ "internalBorder", "internalBorder", RES_TYPE_NUMBER);
if (! EQ (value, Qunbound))
parms = Fcons (Fcons (Qinternal_border_width, value),
parms);
}
- x_default_parameter (f, parms, Qinternal_border_width, make_number (2),
- "internalBorderWidth", "BorderWidth", number);
- x_default_parameter (f, parms, Qvertical_scroll_bars, Qt,
- "verticalScrollBars", "ScrollBars", boolean);
+ x_default_parameter (f, parms, Qinternal_border_width, make_number (1),
+ "internalBorderWidth", "internalBorderWidth",
+ RES_TYPE_NUMBER);
+ x_default_parameter (f, parms, Qvertical_scroll_bars, Qleft,
+ "verticalScrollBars", "ScrollBars",
+ RES_TYPE_SYMBOL);
/* Also do the stuff which must be set before the window exists. */
x_default_parameter (f, parms, Qforeground_color, build_string ("black"),
- "foreground", "Foreground", string);
+ "foreground", "Foreground", RES_TYPE_STRING);
x_default_parameter (f, parms, Qbackground_color, build_string ("white"),
- "background", "Background", string);
+ "background", "Background", RES_TYPE_STRING);
x_default_parameter (f, parms, Qmouse_color, build_string ("black"),
- "pointerColor", "Foreground", string);
+ "pointerColor", "Foreground", RES_TYPE_STRING);
x_default_parameter (f, parms, Qcursor_color, build_string ("black"),
- "cursorColor", "Foreground", string);
+ "cursorColor", "Foreground", RES_TYPE_STRING);
x_default_parameter (f, parms, Qborder_color, build_string ("black"),
- "borderColor", "BorderColor", string);
-
+ "borderColor", "BorderColor", RES_TYPE_STRING);
+
+ x_default_scroll_bar_color_parameter (f, parms, Qscroll_bar_foreground,
+ "scrollBarForeground",
+ "ScrollBarForeground", 1);
+ x_default_scroll_bar_color_parameter (f, parms, Qscroll_bar_background,
+ "scrollBarBackground",
+ "ScrollBarBackground", 0);
+
+ /* Init faces before x_default_parameter is called for scroll-bar
+ parameters because that function calls x_set_scroll_bar_width,
+ which calls change_frame_size, which calls Fset_window_buffer,
+ which runs hooks, which call Fvertical_motion. At the end, we
+ end up in init_iterator with a null face cache, which should not
+ happen. */
+ init_frame_faces (f);
+
x_default_parameter (f, parms, Qmenu_bar_lines, make_number (1),
- "menuBar", "MenuBar", number);
+ "menuBar", "MenuBar", RES_TYPE_NUMBER);
+ x_default_parameter (f, parms, Qtoolbar_lines, make_number (0),
+ "toolBar", "ToolBar", RES_TYPE_NUMBER);
x_default_parameter (f, parms, Qscroll_bar_width, Qnil,
- "scrollBarWidth", "ScrollBarWidth", number);
+ "scrollBarWidth", "ScrollBarWidth",
+ RES_TYPE_NUMBER);
x_default_parameter (f, parms, Qbuffer_predicate, Qnil,
- "bufferPredicate", "BufferPredicate", symbol);
+ "bufferPredicate", "BufferPredicate",
+ RES_TYPE_SYMBOL);
x_default_parameter (f, parms, Qtitle, Qnil,
- "title", "Title", string);
+ "title", "Title", RES_TYPE_STRING);
f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window;
window_prompting = x_figure_window_size (f, parms);
f->output_data.x->size_hint_flags = window_prompting;
+ tem = x_get_arg (dpyinfo, parms, Qunsplittable, 0, 0, RES_TYPE_BOOLEAN);
+ f->no_split = minibuffer_only || EQ (tem, Qt);
+
+ /* Create the X widget or window. Add the toolbar height to the
+ initial frame height so that the user gets a text display area of
+ the size he specified with -g or via .Xdefaults. Later changes
+ of the toolbar height don't change the frame size. This is done
+ so that users can create tall Emacs frames without having to
+ guess how tall the toolbar will get. */
+ f->height += FRAME_TOOLBAR_LINES (f);
+
#ifdef USE_X_TOOLKIT
x_window (f, window_prompting, minibuffer_only);
#else
x_window (f);
#endif
+
x_icon (f, parms);
x_make_gc (f);
- init_frame_faces (f);
+
+ /* Now consider the frame official. */
+ FRAME_X_DISPLAY_INFO (f)->reference_count++;
+ Vframe_list = Fcons (frame, Vframe_list);
/* We need to do this after creating the X window, so that the
icon-creation functions can say whose icon they're describing. */
x_default_parameter (f, parms, Qicon_type, Qnil,
- "bitmapIcon", "BitmapIcon", symbol);
+ "bitmapIcon", "BitmapIcon", RES_TYPE_SYMBOL);
x_default_parameter (f, parms, Qauto_raise, Qnil,
- "autoRaise", "AutoRaiseLower", boolean);
+ "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN);
x_default_parameter (f, parms, Qauto_lower, Qnil,
- "autoLower", "AutoRaiseLower", boolean);
+ "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN);
x_default_parameter (f, parms, Qcursor_type, Qbox,
- "cursorType", "CursorType", symbol);
+ "cursorType", "CursorType", RES_TYPE_SYMBOL);
/* Dimensions, especially f->height, must be done via change_frame_size.
Change will not be effected unless different from the current
f->height. */
width = f->width;
height = f->height;
- f->height = f->width = 0;
+ f->height = 0;
+ SET_FRAME_WIDTH (f, 0);
change_frame_size (f, height, width, 1, 0);
- /* Tell the server what size and position, etc, we want,
- and how badly we want them. */
+ /* Set up faces after all frame parameters are known. */
+ call1 (Qface_set_after_frame_default, frame);
+
+#ifdef USE_X_TOOLKIT
+ /* Create the menu bar. */
+ if (!minibuffer_only && FRAME_EXTERNAL_MENU_BAR (f))
+ {
+ /* If this signals an error, we haven't set size hints for the
+ frame and we didn't make it visible. */
+ initialize_frame_menubar (f);
+
+ /* This is a no-op, except under Motif where it arranges the
+ main window for the widgets on it. */
+ lw_set_main_areas (f->output_data.x->column_widget,
+ f->output_data.x->menubar_widget,
+ f->output_data.x->edit_widget);
+ }
+#endif /* USE_X_TOOLKIT */
+
+ /* Tell the server what size and position, etc, we want, and how
+ badly we want them. This should be done after we have the menu
+ bar so that its size can be taken into account. */
BLOCK_INPUT;
x_wm_set_size_hint (f, window_prompting, 0);
UNBLOCK_INPUT;
- tem = x_get_arg (parms, Qunsplittable, 0, 0, boolean);
- f->no_split = minibuffer_only || EQ (tem, Qt);
-
- UNGCPRO;
-
- /* It is now ok to make the frame official
- even if we get an error below.
- And the frame needs to be on Vframe_list
- or making it visible won't work. */
- Vframe_list = Fcons (frame, Vframe_list);
-
- /* Now that the frame is official, it counts as a reference to
- its display. */
- FRAME_X_DISPLAY_INFO (f)->reference_count++;
-
- /* Make the window appear on the frame and enable display,
- unless the caller says not to. However, with explicit parent,
- Emacs cannot control visibility, so don't try. */
+ /* Make the window appear on the frame and enable display, unless
+ the caller says not to. However, with explicit parent, Emacs
+ cannot control visibility, so don't try. */
if (! f->output_data.x->explicit_parent)
{
Lisp_Object visibility;
- visibility = x_get_arg (parms, Qvisibility, 0, 0, symbol);
+ visibility = x_get_arg (dpyinfo, parms, Qvisibility, 0, 0,
+ RES_TYPE_SYMBOL);
if (EQ (visibility, Qunbound))
visibility = Qt;
;
}
+ UNGCPRO;
return unbind_to (count, frame);
}
/* FRAME is used only to get a handle on the X display. We don't pass the
display info directly because we're called from frame.c, which doesn't
know about that structure. */
+
Lisp_Object
x_get_focus_frame (frame)
struct frame *frame;
return xfocus;
}
-DEFUN ("focus-frame", Ffocus_frame, Sfocus_frame, 1, 1, 0,
- "This function is obsolete, and does nothing.")
- (frame)
- Lisp_Object frame;
-{
- return Qnil;
-}
-
-DEFUN ("unfocus-frame", Funfocus_frame, Sunfocus_frame, 0, 0, 0,
- "This function is obsolete, and does nothing.")
- ()
-{
- return Qnil;
-}
-\f
-DEFUN ("x-list-fonts", Fx_list_fonts, Sx_list_fonts, 1, 3, 0,
- "Return a list of the names of available fonts matching PATTERN.\n\
-If optional arguments FACE and FRAME are specified, return only fonts\n\
-the same size as FACE on FRAME.\n\
-\n\
-PATTERN is a string, perhaps with wildcard characters;\n\
- the * character matches any substring, and\n\
- the ? character matches any single character.\n\
- PATTERN is case-insensitive.\n\
-FACE is a face name--a symbol.\n\
-\n\
-The return value is a list of strings, suitable as arguments to\n\
-set-face-font.\n\
-\n\
-Fonts Emacs can't use (i.e. proportional fonts) may or may not be excluded\n\
-even if they match PATTERN and FACE.")
- (pattern, face, frame)
- Lisp_Object pattern, face, frame;
-{
- int num_fonts;
- char **names;
-#ifndef BROKEN_XLISTFONTSWITHINFO
- XFontStruct *info;
-#endif
- XFontStruct *size_ref;
- Lisp_Object list;
- FRAME_PTR f;
-
- check_x ();
- CHECK_STRING (pattern, 0);
- if (!NILP (face))
- CHECK_SYMBOL (face, 1);
-
- f = check_x_frame (frame);
-
- /* Determine the width standard for comparison with the fonts we find. */
-
- if (NILP (face))
- size_ref = 0;
- else
- {
- int face_id;
-
- /* Don't die if we get called with a terminal frame. */
- if (! FRAME_X_P (f))
- error ("Non-X frame used in `x-list-fonts'");
-
- face_id = face_name_id_number (f, face);
-
- if (face_id < 0 || face_id >= FRAME_N_PARAM_FACES (f)
- || FRAME_PARAM_FACES (f) [face_id] == 0)
- size_ref = f->output_data.x->font;
- else
- {
- size_ref = FRAME_PARAM_FACES (f) [face_id]->font;
- if (size_ref == (XFontStruct *) (~0))
- size_ref = f->output_data.x->font;
- }
- }
-
- /* See if we cached the result for this particular query. */
- list = Fassoc (pattern,
- XCONS (FRAME_X_DISPLAY_INFO (f)->name_list_element)->cdr);
-
- /* We have info in the cache for this PATTERN. */
- if (!NILP (list))
- {
- Lisp_Object tem, newlist;
-
- /* We have info about this pattern. */
- list = XCONS (list)->cdr;
-
- if (size_ref == 0)
- return list;
-
- BLOCK_INPUT;
-
- /* Filter the cached info and return just the fonts that match FACE. */
- newlist = Qnil;
- for (tem = list; CONSP (tem); tem = XCONS (tem)->cdr)
- {
- XFontStruct *thisinfo;
-
- x_catch_errors (FRAME_X_DISPLAY (f));
-
- thisinfo = XLoadQueryFont (FRAME_X_DISPLAY (f),
- XSTRING (XCONS (tem)->car)->data);
-
- x_check_errors (FRAME_X_DISPLAY (f), "XLoadQueryFont failure: %s");
- x_uncatch_errors (FRAME_X_DISPLAY (f));
-
- if (thisinfo && same_size_fonts (thisinfo, size_ref))
- newlist = Fcons (XCONS (tem)->car, newlist);
-
- if (thisinfo != 0)
- XFreeFont (FRAME_X_DISPLAY (f), thisinfo);
- }
-
- UNBLOCK_INPUT;
-
- return newlist;
- }
-
- BLOCK_INPUT;
-
- x_catch_errors (FRAME_X_DISPLAY (f));
-
- /* Solaris 2.3 has a bug in XListFontsWithInfo. */
-#ifndef BROKEN_XLISTFONTSWITHINFO
- if (size_ref)
- names = XListFontsWithInfo (FRAME_X_DISPLAY (f),
- XSTRING (pattern)->data,
- 2000, /* maxnames */
- &num_fonts, /* count_return */
- &info); /* info_return */
- else
-#endif
- names = XListFonts (FRAME_X_DISPLAY (f),
- XSTRING (pattern)->data,
- 2000, /* maxnames */
- &num_fonts); /* count_return */
-
- x_check_errors (FRAME_X_DISPLAY (f), "XListFonts failure: %s");
- x_uncatch_errors (FRAME_X_DISPLAY (f));
-
- UNBLOCK_INPUT;
-
- list = Qnil;
-
- if (names)
- {
- int i;
- Lisp_Object full_list;
-
- /* Make a list of all the fonts we got back.
- Store that in the font cache for the display. */
- full_list = Qnil;
- for (i = 0; i < num_fonts; i++)
- full_list = Fcons (build_string (names[i]), full_list);
- XCONS (FRAME_X_DISPLAY_INFO (f)->name_list_element)->cdr
- = Fcons (Fcons (pattern, full_list),
- XCONS (FRAME_X_DISPLAY_INFO (f)->name_list_element)->cdr);
-
- /* Make a list of the fonts that have the right width. */
- list = Qnil;
- for (i = 0; i < num_fonts; i++)
- {
- int keeper;
-
- if (!size_ref)
- keeper = 1;
- else
- {
-#ifdef BROKEN_XLISTFONTSWITHINFO
- XFontStruct *thisinfo;
-
- BLOCK_INPUT;
-
- x_catch_errors (FRAME_X_DISPLAY (f));
- thisinfo = XLoadQueryFont (FRAME_X_DISPLAY (f), names[i]);
- x_check_errors (FRAME_X_DISPLAY (f),
- "XLoadQueryFont failure: %s");
- x_uncatch_errors (FRAME_X_DISPLAY (f));
-
- UNBLOCK_INPUT;
-
- keeper = thisinfo && same_size_fonts (thisinfo, size_ref);
- BLOCK_INPUT;
- if (thisinfo && ! keeper)
- XFreeFont (FRAME_X_DISPLAY (f), thisinfo);
- else if (thisinfo)
- XFreeFontInfo (NULL, thisinfo, 1);
- UNBLOCK_INPUT;
-#else
- keeper = same_size_fonts (&info[i], size_ref);
-#endif
- }
- if (keeper)
- list = Fcons (build_string (names[i]), list);
- }
- list = Fnreverse (list);
-
- BLOCK_INPUT;
-#ifndef BROKEN_XLISTFONTSWITHINFO
- if (size_ref)
- XFreeFontInfo (names, info, num_fonts);
- else
-#endif
- XFreeFontNames (names);
- UNBLOCK_INPUT;
- }
-
- return list;
-}
-
\f
DEFUN ("x-color-defined-p", Fx_color_defined_p, Sx_color_defined_p, 1, 2, 0,
"Return non-nil if color COLOR is supported on frame FRAME.\n\
}
int
-x_screen_planes (frame)
- Lisp_Object frame;
+x_screen_planes (f)
+ register struct frame *f;
{
- return FRAME_X_DISPLAY_INFO (XFRAME (frame))->n_planes;
+ return FRAME_X_DISPLAY_INFO (f)->n_planes;
}
\f
#if 0 /* These no longer seem like the right way to do things. */
{
register int x0, y0, x1, y1;
register struct frame *f = selected_frame;
+ struct window *w = XWINDOW (FRAME_SELECTED_WINDOW (f));
register int p1, p2;
CHECK_CONS (event, 0);
/* If the mouse is past the end of the line, don't that area. */
/* ReWrite this... */
- x1 = f->cursor_x;
- y1 = f->cursor_y;
+ /* Where the cursor is. */
+ x1 = WINDOW_TO_FRAME_PIXEL_X (w, w->cursor.x);
+ y1 = WINDOW_TO_FRAME_PIXEL_Y (w, w->cursor.y);
if (y1 > y0) /* point below mouse */
outline_region (f, f->output_data.x->cursor_gc,
{
register int x0, y0, x1, y1;
register struct frame *f = selected_frame;
+ struct window *w = XWINDOW (FRAME_SELECTED_WINDOW (f));
BLOCK_INPUT;
x0 = XINT (Fcar (Fcar (event)));
y0 = XINT (Fcar (Fcdr (Fcar (event))));
- x1 = f->cursor_x;
- y1 = f->cursor_y;
+ x1 = WINDOW_TO_FRAME_PIXEL_X (w, w->cursor.x);
+ y1 = WINDOW_TO_FRAME_PIXEL_Y (w, w->cursor.y);
if (y1 > y0) /* point below mouse */
outline_region (f, f->output_data.x->reverse_gc,
Lisp_Object event;
{
register struct frame *f = selected_frame;
- register int point_x = f->cursor_x;
- register int point_y = f->cursor_y;
+ struct window *w = XWINDOW (FRAME_SELECTED_WINDOW (f));
+ register int point_x = WINDOW_TO_FRAME_PIXEL_X (w, w->cursor.x);
+ register int point_y = WINDOW_TO_FRAME_PIXEL_Y (w, w->cursor.y);
register int mouse_below_point;
register Lisp_Object obj;
register int x_contour_x, x_contour_y;
register int line = (x_mouse_y + 1) * f->output_data.x->line_height
+ f->output_data.x->internal_border_width;
register int left = f->output_data.x->internal_border_width
- + (w->left
+ + (WINDOW_LEFT_MARGIN (w)
* FONT_WIDTH (f->output_data.x->font));
register int right = left + (w->width
* FONT_WIDTH (f->output_data.x->font))
if (tab_width <= 0 || tab_width > 20) tab_width = 8;
do
{
- c = FETCH_CHAR (p);
+ c = FETCH_BYTE (p);
if (len == f->width && hp == len - 1 && c != '\n')
goto draw_or_not;
if (NILP (modifiers))
XRebindKeysym (x_current_display, keysym, modifier_list, 0,
- XSTRING (newstring)->data, XSTRING (newstring)->size);
+ XSTRING (newstring)->data,
+ STRING_BYTES (XSTRING (newstring)));
else
{
register Lisp_Object rest, mod;
}
XRebindKeysym (x_current_display, keysym, modifier_list, i,
- XSTRING (newstring)->data, XSTRING (newstring)->size);
+ XSTRING (newstring)->data,
+ STRING_BYTES (XSTRING (newstring)));
}
return Qnil;
if (!NILP (item))
{
CHECK_STRING (item, 2);
- strsize = XSTRING (item)->size;
+ strsize = STRING_BYTES (XSTRING (item));
rawstring = (unsigned char *) xmalloc (strsize);
bcopy (XSTRING (item)->data, rawstring, strsize);
modifier[1] = 1 << i;
(display, xrm_string, must_succeed)
Lisp_Object display, xrm_string, must_succeed;
{
- unsigned int n_planes;
unsigned char *xrm_option;
struct x_display_info *dpyinfo;
else
xrm_option = (unsigned char *) 0;
- /* Use this general default value to start with. */
- Vx_resource_name = Vinvocation_name;
-
validate_x_resource_name ();
/* This is what opens the connection and sets x_current_display.
Lisp_Object display;
{
struct x_display_info *dpyinfo = check_x_display_info (display);
- struct x_display_info *tail;
int i;
if (dpyinfo->reference_count > 0)
BLOCK_INPUT;
/* Free the fonts in the font table. */
for (i = 0; i < dpyinfo->n_fonts; i++)
- {
- if (dpyinfo->font_table[i].name)
- free (dpyinfo->font_table[i].name);
- /* Don't free the full_name string;
- it is always shared with something else. */
- XFreeFont (dpyinfo->display, dpyinfo->font_table[i].font);
- }
+ if (dpyinfo->font_table[i].name)
+ {
+ xfree (dpyinfo->font_table[i].name);
+ /* Don't free the full_name string;
+ it is always shared with something else. */
+ XFreeFont (dpyinfo->display, dpyinfo->font_table[i].font);
+ }
+
x_destroy_all_bitmaps (dpyinfo);
XSetCloseDownMode (dpyinfo->display, DestroyAll);
XSync (FRAME_X_DISPLAY (f), False);
UNBLOCK_INPUT;
}
+
\f
-syms_of_xfns ()
-{
- /* This is zero if not using X windows. */
- x_in_use = 0;
+/***********************************************************************
+ Image types
+ ***********************************************************************/
- /* The section below is built by the lisp expression at the top of the file,
- just above where these variables are declared. */
- /*&&& init symbols here &&&*/
- Qauto_raise = intern ("auto-raise");
- staticpro (&Qauto_raise);
- Qauto_lower = intern ("auto-lower");
- staticpro (&Qauto_lower);
- Qbackground_color = intern ("background-color");
- staticpro (&Qbackground_color);
- Qbar = intern ("bar");
- staticpro (&Qbar);
- Qborder_color = intern ("border-color");
- staticpro (&Qborder_color);
- Qborder_width = intern ("border-width");
- staticpro (&Qborder_width);
- Qbox = intern ("box");
- staticpro (&Qbox);
- Qcursor_color = intern ("cursor-color");
- staticpro (&Qcursor_color);
- Qcursor_type = intern ("cursor-type");
- staticpro (&Qcursor_type);
- Qfont = intern ("font");
- staticpro (&Qfont);
- Qforeground_color = intern ("foreground-color");
- staticpro (&Qforeground_color);
- Qgeometry = intern ("geometry");
- staticpro (&Qgeometry);
- Qicon_left = intern ("icon-left");
- staticpro (&Qicon_left);
- Qicon_top = intern ("icon-top");
- staticpro (&Qicon_top);
- Qicon_type = intern ("icon-type");
- staticpro (&Qicon_type);
- Qicon_name = intern ("icon-name");
- staticpro (&Qicon_name);
- Qinternal_border_width = intern ("internal-border-width");
- staticpro (&Qinternal_border_width);
- Qleft = intern ("left");
- staticpro (&Qleft);
- Qmouse_color = intern ("mouse-color");
- staticpro (&Qmouse_color);
- Qnone = intern ("none");
- staticpro (&Qnone);
- Qparent_id = intern ("parent-id");
- staticpro (&Qparent_id);
- Qscroll_bar_width = intern ("scroll-bar-width");
- staticpro (&Qscroll_bar_width);
- Qsuppress_icon = intern ("suppress-icon");
- staticpro (&Qsuppress_icon);
- Qtop = intern ("top");
- staticpro (&Qtop);
- Qundefined_color = intern ("undefined-color");
- staticpro (&Qundefined_color);
- Qvertical_scroll_bars = intern ("vertical-scroll-bars");
- staticpro (&Qvertical_scroll_bars);
- Qvisibility = intern ("visibility");
- staticpro (&Qvisibility);
- Qwindow_id = intern ("window-id");
- staticpro (&Qwindow_id);
- Qx_frame_parameter = intern ("x-frame-parameter");
- staticpro (&Qx_frame_parameter);
- Qx_resource_name = intern ("x-resource-name");
- staticpro (&Qx_resource_name);
- Quser_position = intern ("user-position");
- staticpro (&Quser_position);
- Quser_size = intern ("user-size");
- staticpro (&Quser_size);
- Qdisplay = intern ("display");
- staticpro (&Qdisplay);
- /* This is the end of symbol initialization. */
+/* Value is the number of elements of vector VECTOR. */
- Fput (Qundefined_color, Qerror_conditions,
- Fcons (Qundefined_color, Fcons (Qerror, Qnil)));
- Fput (Qundefined_color, Qerror_message,
+#define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR))
+
+/* List of supported image types. Use define_image_type to add new
+ types. Use lookup_image_type to find a type for a given symbol. */
+
+static struct image_type *image_types;
+
+/* A list of symbols, one for each supported image type. */
+
+Lisp_Object Vimage_types;
+
+/* The symbol `image' which is the car of the lists used to represent
+ images in Lisp. */
+
+extern Lisp_Object Qimage;
+
+/* The symbol `xbm' which is used as the type symbol for XBM images. */
+
+Lisp_Object Qxbm;
+
+/* Keywords. */
+
+Lisp_Object QCtype, QCdata, QCfile, QCascent, QCmargin, QCrelief;
+extern Lisp_Object QCwidth, QCheight, QCforeground, QCbackground;
+Lisp_Object QCalgorithm, QCcolor_symbols, QCheuristic_mask;
+extern Lisp_Object QCimage;
+
+/* Other symbols. */
+
+Lisp_Object Qlaplace;
+
+/* Time in seconds after which images should be removed from the cache
+ if not displayed. */
+
+Lisp_Object Vimage_eviction_seconds;
+
+/* Function prototypes. */
+
+static void define_image_type P_ ((struct image_type *type));
+static struct image_type *lookup_image_type P_ ((Lisp_Object symbol));
+static void image_error P_ ((char *format, Lisp_Object, Lisp_Object));
+static void x_laplace P_ ((struct frame *, struct image *));
+static int x_build_heuristic_mask P_ ((struct frame *, Lisp_Object,
+ struct image *, Lisp_Object));
+
+
+/* Define a new image type from TYPE. This adds a copy of TYPE to
+ image_types and adds the symbol *TYPE->type to Vimage_types. */
+
+static void
+define_image_type (type)
+ struct image_type *type;
+{
+ /* Make a copy of TYPE to avoid a bus error in a dumped Emacs.
+ The initialized data segment is read-only. */
+ struct image_type *p = (struct image_type *) xmalloc (sizeof *p);
+ bcopy (type, p, sizeof *p);
+ p->next = image_types;
+ image_types = p;
+ Vimage_types = Fcons (*p->type, Vimage_types);
+}
+
+
+/* Look up image type SYMBOL, and return a pointer to its image_type
+ structure. Value is null if SYMBOL is not a known image type. */
+
+static INLINE struct image_type *
+lookup_image_type (symbol)
+ Lisp_Object symbol;
+{
+ struct image_type *type;
+
+ for (type = image_types; type; type = type->next)
+ if (EQ (symbol, *type->type))
+ break;
+
+ return type;
+}
+
+
+/* Value is non-zero if OBJECT is a valid Lisp image specification. A
+ valid image specification is a list whose car is the symbol
+ `image', and whose rest is a property list. The property list must
+ contain a value for key `:type'. That value must be the name of a
+ supported image type. The rest of the property list depends on the
+ image type. */
+
+int
+valid_image_p (object)
+ Lisp_Object object;
+{
+ int valid_p = 0;
+
+ if (CONSP (object) && EQ (XCAR (object), Qimage))
+ {
+ Lisp_Object symbol = Fplist_get (XCDR (object), QCtype);
+ struct image_type *type = lookup_image_type (symbol);
+
+ if (type)
+ valid_p = type->valid_p (object);
+ }
+
+ return valid_p;
+}
+
+
+/* Display an error message with format string FORMAT and argument
+ ARG. Signaling an error, e.g. when an image cannot be loaded,
+ is not a good idea because this would interrupt redisplay, and
+ the error message display would lead to another redisplay. This
+ function therefore simply displays a message. */
+
+static void
+image_error (format, arg1, arg2)
+ char *format;
+ Lisp_Object arg1, arg2;
+{
+ Lisp_Object args[3];
+
+ args[0] = build_string (format);
+ args[1] = arg1;
+ args[2] = arg2;
+ Fmessage (make_number (DIM (args)), args);
+}
+
+
+\f
+/***********************************************************************
+ Image specifications
+ ***********************************************************************/
+
+enum image_value_type
+{
+ IMAGE_DONT_CHECK_VALUE_TYPE,
+ IMAGE_STRING_VALUE,
+ IMAGE_SYMBOL_VALUE,
+ IMAGE_POSITIVE_INTEGER_VALUE,
+ IMAGE_NON_NEGATIVE_INTEGER_VALUE,
+ IMAGE_INTEGER_VALUE,
+ IMAGE_FUNCTION_VALUE,
+ IMAGE_NUMBER_VALUE,
+ IMAGE_BOOL_VALUE
+};
+
+/* Structure used when parsing image specifications. */
+
+struct image_keyword
+{
+ /* Name of keyword. */
+ char *name;
+
+ /* The type of value allowed. */
+ enum image_value_type type;
+
+ /* Non-zero means key must be present. */
+ int mandatory_p;
+
+ /* Used to recognize duplicate keywords in a property list. */
+ int count;
+
+ /* The value that was found. */
+ Lisp_Object value;
+};
+
+
+static int parse_image_spec P_ ((Lisp_Object spec,
+ struct image_keyword *keywords,
+ int nkeywords, Lisp_Object type,
+ int allow_other_keys_p));
+static Lisp_Object image_spec_value P_ ((Lisp_Object, Lisp_Object, int *));
+
+
+/* Parse image spec SPEC according to KEYWORDS. A valid image spec
+ has the format (image KEYWORD VALUE ...). One of the keyword/
+ value pairs must be `:type TYPE'. KEYWORDS is a vector of
+ image_keywords structures of size NKEYWORDS describing other
+ allowed keyword/value pairs. ALLOW_OTHER_KEYS_P non-zero means
+ allow KEYWORD/VALUE pairs other than those described by KEYWORDS
+ without checking them. Value is non-zero if SPEC is valid. */
+
+static int
+parse_image_spec (spec, keywords, nkeywords, type, allow_other_keys_p)
+ Lisp_Object spec;
+ struct image_keyword *keywords;
+ int nkeywords;
+ Lisp_Object type;
+ int allow_other_keys_p;
+{
+ int i;
+ Lisp_Object plist;
+
+ if (!CONSP (spec) || !EQ (XCAR (spec), Qimage))
+ return 0;
+
+ plist = XCDR (spec);
+ while (CONSP (plist))
+ {
+ Lisp_Object key, value;
+
+ /* First element of a pair must be a symbol. */
+ key = XCAR (plist);
+ plist = XCDR (plist);
+ if (!SYMBOLP (key))
+ return 0;
+
+ /* There must follow a value. */
+ if (!CONSP (plist))
+ return 0;
+ value = XCAR (plist);
+ plist = XCDR (plist);
+
+ /* Find key in KEYWORDS. Error if not found. */
+ for (i = 0; i < nkeywords; ++i)
+ if (strcmp (keywords[i].name, XSYMBOL (key)->name->data) == 0)
+ break;
+
+ if (i == nkeywords)
+ {
+ if (!allow_other_keys_p)
+ return 0;
+ continue;
+ }
+
+ /* Record that we recognized the keyword. If a keywords
+ was found more than once, it's an error. */
+ keywords[i].value = value;
+ ++keywords[i].count;
+
+ if (keywords[i].count > 1)
+ return 0;
+
+ /* Check type of value against allowed type. */
+ switch (keywords[i].type)
+ {
+ case IMAGE_STRING_VALUE:
+ if (!STRINGP (value))
+ return 0;
+ break;
+
+ case IMAGE_SYMBOL_VALUE:
+ if (!SYMBOLP (value))
+ return 0;
+ break;
+
+ case IMAGE_POSITIVE_INTEGER_VALUE:
+ if (!INTEGERP (value) || XINT (value) <= 0)
+ return 0;
+ break;
+
+ case IMAGE_NON_NEGATIVE_INTEGER_VALUE:
+ if (!INTEGERP (value) || XINT (value) < 0)
+ return 0;
+ break;
+
+ case IMAGE_DONT_CHECK_VALUE_TYPE:
+ break;
+
+ case IMAGE_FUNCTION_VALUE:
+ value = indirect_function (value);
+ if (SUBRP (value)
+ || COMPILEDP (value)
+ || (CONSP (value) && EQ (XCAR (value), Qlambda)))
+ break;
+ return 0;
+
+ case IMAGE_NUMBER_VALUE:
+ if (!INTEGERP (value) && !FLOATP (value))
+ return 0;
+ break;
+
+ case IMAGE_INTEGER_VALUE:
+ if (!INTEGERP (value))
+ return 0;
+ break;
+
+ case IMAGE_BOOL_VALUE:
+ if (!NILP (value) && !EQ (value, Qt))
+ return 0;
+ break;
+
+ default:
+ abort ();
+ break;
+ }
+
+ if (EQ (key, QCtype) && !EQ (type, value))
+ return 0;
+ }
+
+ /* Check that all mandatory fields are present. */
+ for (i = 0; i < nkeywords; ++i)
+ if (keywords[i].mandatory_p && keywords[i].count == 0)
+ return 0;
+
+ return NILP (plist);
+}
+
+
+/* Return the value of KEY in image specification SPEC. Value is nil
+ if KEY is not present in SPEC. if FOUND is not null, set *FOUND
+ to 1 if KEY was found in SPEC, set it to 0 otherwise. */
+
+static Lisp_Object
+image_spec_value (spec, key, found)
+ Lisp_Object spec, key;
+ int *found;
+{
+ Lisp_Object tail;
+
+ xassert (valid_image_p (spec));
+
+ for (tail = XCDR (spec);
+ CONSP (tail) && CONSP (XCDR (tail));
+ tail = XCDR (XCDR (tail)))
+ {
+ if (EQ (XCAR (tail), key))
+ {
+ if (found)
+ *found = 1;
+ return XCAR (XCDR (tail));
+ }
+ }
+
+ if (found)
+ *found = 0;
+ return Qnil;
+}
+
+
+
+\f
+/***********************************************************************
+ Image type independent image structures
+ ***********************************************************************/
+
+static struct image *make_image P_ ((Lisp_Object spec, unsigned hash));
+static void free_image P_ ((struct frame *f, struct image *img));
+
+
+/* Allocate and return a new image structure for image specification
+ SPEC. SPEC has a hash value of HASH. */
+
+static struct image *
+make_image (spec, hash)
+ Lisp_Object spec;
+ unsigned hash;
+{
+ struct image *img = (struct image *) xmalloc (sizeof *img);
+
+ xassert (valid_image_p (spec));
+ bzero (img, sizeof *img);
+ img->type = lookup_image_type (image_spec_value (spec, QCtype, NULL));
+ xassert (img->type != NULL);
+ img->spec = spec;
+ img->data.lisp_val = Qnil;
+ img->ascent = DEFAULT_IMAGE_ASCENT;
+ img->hash = hash;
+ return img;
+}
+
+
+/* Free image IMG which was used on frame F, including its resources. */
+
+static void
+free_image (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ if (img)
+ {
+ struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
+
+ /* Remove IMG from the hash table of its cache. */
+ if (img->prev)
+ img->prev->next = img->next;
+ else
+ c->buckets[img->hash % IMAGE_CACHE_BUCKETS_SIZE] = img->next;
+
+ if (img->next)
+ img->next->prev = img->prev;
+
+ c->images[img->id] = NULL;
+
+ /* Free resources, then free IMG. */
+ img->type->free (f, img);
+ xfree (img);
+ }
+}
+
+
+/* Prepare image IMG for display on frame F. Must be called before
+ drawing an image. */
+
+void
+prepare_image_for_display (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ EMACS_TIME t;
+
+ /* We're about to display IMG, so set its timestamp to `now'. */
+ EMACS_GET_TIME (t);
+ img->timestamp = EMACS_SECS (t);
+
+ /* If IMG doesn't have a pixmap yet, load it now, using the image
+ type dependent loader function. */
+ if (img->pixmap == 0)
+ img->type->load (f, img);
+}
+
+
+\f
+/***********************************************************************
+ Helper functions for X image types
+ ***********************************************************************/
+
+static void x_clear_image P_ ((struct frame *f, struct image *img));
+static unsigned long x_alloc_image_color P_ ((struct frame *f,
+ struct image *img,
+ Lisp_Object color_name,
+ unsigned long dflt));
+
+/* Free X resources of image IMG which is used on frame F. */
+
+static void
+x_clear_image (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ if (img->pixmap)
+ {
+ BLOCK_INPUT;
+ XFreePixmap (FRAME_X_DISPLAY (f), img->pixmap);
+ img->pixmap = 0;
+ UNBLOCK_INPUT;
+ }
+
+ if (img->ncolors)
+ {
+ int class = FRAME_X_DISPLAY_INFO (f)->visual->class;
+
+ /* If display has an immutable color map, freeing colors is not
+ necessary and some servers don't allow it. So don't do it. */
+ if (class != StaticColor
+ && class != StaticGray
+ && class != TrueColor)
+ {
+ Colormap cmap;
+ BLOCK_INPUT;
+ cmap = DefaultColormapOfScreen (FRAME_X_DISPLAY_INFO (f)->screen);
+ XFreeColors (FRAME_X_DISPLAY (f), cmap, img->colors,
+ img->ncolors, 0);
+ UNBLOCK_INPUT;
+ }
+
+ xfree (img->colors);
+ img->colors = NULL;
+ img->ncolors = 0;
+ }
+}
+
+
+/* Allocate color COLOR_NAME for image IMG on frame F. If color
+ cannot be allocated, use DFLT. Add a newly allocated color to
+ IMG->colors, so that it can be freed again. Value is the pixel
+ color. */
+
+static unsigned long
+x_alloc_image_color (f, img, color_name, dflt)
+ struct frame *f;
+ struct image *img;
+ Lisp_Object color_name;
+ unsigned long dflt;
+{
+ XColor color;
+ unsigned long result;
+
+ xassert (STRINGP (color_name));
+
+ if (defined_color (f, XSTRING (color_name)->data, &color, 1))
+ {
+ /* This isn't called frequently so we get away with simply
+ reallocating the color vector to the needed size, here. */
+ ++img->ncolors;
+ img->colors =
+ (unsigned long *) xrealloc (img->colors,
+ img->ncolors * sizeof *img->colors);
+ img->colors[img->ncolors - 1] = color.pixel;
+ result = color.pixel;
+ }
+ else
+ result = dflt;
+
+ return result;
+}
+
+
+\f
+/***********************************************************************
+ Image Cache
+ ***********************************************************************/
+
+static void cache_image P_ ((struct frame *f, struct image *img));
+
+
+/* Return a new, initialized image cache that is allocated from the
+ heap. Call free_image_cache to free an image cache. */
+
+struct image_cache *
+make_image_cache ()
+{
+ struct image_cache *c = (struct image_cache *) xmalloc (sizeof *c);
+ int size;
+
+ bzero (c, sizeof *c);
+ c->size = 50;
+ c->images = (struct image **) xmalloc (c->size * sizeof *c->images);
+ size = IMAGE_CACHE_BUCKETS_SIZE * sizeof *c->buckets;
+ c->buckets = (struct image **) xmalloc (size);
+ bzero (c->buckets, size);
+ return c;
+}
+
+
+/* Free image cache of frame F. Be aware that X frames share images
+ caches. */
+
+void
+free_image_cache (f)
+ struct frame *f;
+{
+ struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
+ if (c)
+ {
+ int i;
+
+ /* Cache should not be referenced by any frame when freed. */
+ xassert (c->refcount == 0);
+
+ for (i = 0; i < c->used; ++i)
+ free_image (f, c->images[i]);
+ xfree (c->images);
+ xfree (c);
+ xfree (c->buckets);
+ FRAME_X_IMAGE_CACHE (f) = NULL;
+ }
+}
+
+
+/* Clear image cache of frame F. FORCE_P non-zero means free all
+ images. FORCE_P zero means clear only images that haven't been
+ displayed for some time. Should be called from time to time to
+ reduce the number of loaded images. If image-eviction-seconds is
+ non-nil, this frees images in the cache which weren't displayed for
+ at least that many seconds. */
+
+void
+clear_image_cache (f, force_p)
+ struct frame *f;
+ int force_p;
+{
+ struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
+
+ if (c && INTEGERP (Vimage_eviction_seconds))
+ {
+ EMACS_TIME t;
+ unsigned long old;
+ int i, any_freed_p = 0;
+
+ EMACS_GET_TIME (t);
+ old = EMACS_SECS (t) - XFASTINT (Vimage_eviction_seconds);
+
+ for (i = 0; i < c->used; ++i)
+ {
+ struct image *img = c->images[i];
+ if (img != NULL
+ && (force_p
+ || (img->timestamp > old)))
+ {
+ free_image (f, img);
+ any_freed_p = 1;
+ }
+ }
+
+ /* We may be clearing the image cache because, for example,
+ Emacs was iconified for a longer period of time. In that
+ case, current matrices may still contain references to
+ images freed above. So, clear these matrices. */
+ if (any_freed_p)
+ {
+ clear_current_matrices (f);
+ ++windows_or_buffers_changed;
+ }
+ }
+}
+
+
+DEFUN ("clear-image-cache", Fclear_image_cache, Sclear_image_cache,
+ 0, 1, 0,
+ "Clear the image cache of FRAME.\n\
+FRAME nil or omitted means use the selected frame.\n\
+FRAME t means clear the image caches of all frames.")
+ (frame)
+ Lisp_Object frame;
+{
+ if (EQ (frame, Qt))
+ {
+ Lisp_Object tail;
+
+ FOR_EACH_FRAME (tail, frame)
+ if (FRAME_X_P (XFRAME (frame)))
+ clear_image_cache (XFRAME (frame), 1);
+ }
+ else
+ clear_image_cache (check_x_frame (frame), 1);
+
+ return Qnil;
+}
+
+
+/* Return the id of image with Lisp specification SPEC on frame F.
+ SPEC must be a valid Lisp image specification (see valid_image_p). */
+
+int
+lookup_image (f, spec)
+ struct frame *f;
+ Lisp_Object spec;
+{
+ struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
+ struct image *img;
+ int i;
+ unsigned hash;
+ struct gcpro gcpro1;
+
+ /* F must be a window-system frame, and SPEC must be a valid image
+ specification. */
+ xassert (FRAME_WINDOW_P (f));
+ xassert (valid_image_p (spec));
+
+ GCPRO1 (spec);
+
+ /* Look up SPEC in the hash table of the image cache. */
+ hash = sxhash (spec, 0);
+ i = hash % IMAGE_CACHE_BUCKETS_SIZE;
+
+ for (img = c->buckets[i]; img; img = img->next)
+ if (img->hash == hash && !NILP (Fequal (img->spec, spec)))
+ break;
+
+ /* If not found, create a new image and cache it. */
+ if (img == NULL)
+ {
+ extern Lisp_Object QCenable, QCselect;
+ Lisp_Object tem;
+ int loading_failed_p;
+
+ img = make_image (spec, hash);
+ cache_image (f, img);
+ loading_failed_p = img->type->load (f, img) == 0;
+
+ /* If we can't load the image, and we don't have a width and
+ height, use some arbitrary width and height so that we can
+ draw a rectangle for it. */
+ if (loading_failed_p)
+ {
+ Lisp_Object value;
+
+ value = image_spec_value (spec, QCwidth, NULL);
+ img->width = (INTEGERP (value)
+ ? XFASTINT (value) : DEFAULT_IMAGE_WIDTH);
+ value = image_spec_value (spec, QCheight, NULL);
+ img->height = (INTEGERP (value)
+ ? XFASTINT (value) : DEFAULT_IMAGE_HEIGHT);
+ }
+ else
+ {
+ /* Handle image type independent image attributes
+ `:ascent PERCENT', `:margin MARGIN', `:relief RELIEF'. */
+ Lisp_Object ascent, margin, relief, algorithm, heuristic_mask;
+ Lisp_Object file;
+
+ ascent = image_spec_value (spec, QCascent, NULL);
+ if (INTEGERP (ascent))
+ img->ascent = XFASTINT (ascent);
+
+ margin = image_spec_value (spec, QCmargin, NULL);
+ if (INTEGERP (margin) && XINT (margin) >= 0)
+ img->margin = XFASTINT (margin);
+
+ relief = image_spec_value (spec, QCrelief, NULL);
+ if (INTEGERP (relief))
+ {
+ img->relief = XINT (relief);
+ img->margin += abs (img->relief);
+ }
+
+ /* Should we apply a Laplace edge-detection algorithm? */
+ algorithm = image_spec_value (spec, QCalgorithm, NULL);
+ if (img->pixmap && EQ (algorithm, Qlaplace))
+ x_laplace (f, img);
+
+ /* Should we built a mask heuristically? */
+ heuristic_mask = image_spec_value (spec, QCheuristic_mask, NULL);
+ if (img->pixmap && !img->mask && !NILP (heuristic_mask))
+ {
+ file = image_spec_value (spec, QCfile, NULL);
+ x_build_heuristic_mask (f, file, img, heuristic_mask);
+ }
+ }
+ }
+
+ UNGCPRO;
+
+ /* Value is the image id. */
+ return img->id;
+}
+
+
+/* Cache image IMG in the image cache of frame F. */
+
+static void
+cache_image (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
+ int i;
+
+ /* Find a free slot in c->images. */
+ for (i = 0; i < c->used; ++i)
+ if (c->images[i] == NULL)
+ break;
+
+ /* If no free slot found, maybe enlarge c->images. */
+ if (i == c->used && c->used == c->size)
+ {
+ c->size *= 2;
+ c->images = (struct image **) xrealloc (c->images,
+ c->size * sizeof *c->images);
+ }
+
+ /* Add IMG to c->images, and assign IMG an id. */
+ c->images[i] = img;
+ img->id = i;
+ if (i == c->used)
+ ++c->used;
+
+ /* Add IMG to the cache's hash table. */
+ i = img->hash % IMAGE_CACHE_BUCKETS_SIZE;
+ img->next = c->buckets[i];
+ if (img->next)
+ img->next->prev = img;
+ img->prev = NULL;
+ c->buckets[i] = img;
+}
+
+
+/* Call FN on every image in the image cache of frame F. Used to mark
+ Lisp Objects in the image cache. */
+
+void
+forall_images_in_image_cache (f, fn)
+ struct frame *f;
+ void (*fn) P_ ((struct image *img));
+{
+ if (FRAME_LIVE_P (f) && FRAME_X_P (f))
+ {
+ struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
+ if (c)
+ {
+ int i;
+ for (i = 0; i < c->used; ++i)
+ if (c->images[i])
+ fn (c->images[i]);
+ }
+ }
+}
+
+
+\f
+/***********************************************************************
+ X support code
+ ***********************************************************************/
+
+static int x_create_x_image_and_pixmap P_ ((struct frame *, Lisp_Object,
+ int, int, int, XImage **,
+ Pixmap *));
+static void x_destroy_x_image P_ ((XImage *));
+static void x_put_x_image P_ ((struct frame *, XImage *, Pixmap, int, int));
+
+
+/* Create an XImage and a pixmap of size WIDTH x HEIGHT for use on
+ frame F. Set *XIMG and *PIXMAP to the XImage and Pixmap created.
+ Set (*XIMG)->data to a raster of WIDTH x HEIGHT pixels allocated
+ via xmalloc. Print error messages via image_error if an error
+ occurs. FILE is the name of an image file being processed, for
+ error messages. Value is non-zero if successful. */
+
+static int
+x_create_x_image_and_pixmap (f, file, width, height, depth, ximg, pixmap)
+ struct frame *f;
+ Lisp_Object file;
+ int width, height, depth;
+ XImage **ximg;
+ Pixmap *pixmap;
+{
+ Display *display = FRAME_X_DISPLAY (f);
+ Screen *screen = FRAME_X_SCREEN (f);
+ Window window = FRAME_X_WINDOW (f);
+
+ xassert (interrupt_input_blocked);
+
+ if (depth <= 0)
+ depth = DefaultDepthOfScreen (screen);
+ *ximg = XCreateImage (display, DefaultVisualOfScreen (screen),
+ depth, ZPixmap, 0, NULL, width, height,
+ depth > 16 ? 32 : depth > 8 ? 16 : 8, 0);
+ if (*ximg == NULL)
+ {
+ image_error ("Unable to allocate X image for %s", file, Qnil);
+ return 0;
+ }
+
+ /* Allocate image raster. */
+ (*ximg)->data = (char *) xmalloc ((*ximg)->bytes_per_line * height);
+
+ /* Allocate a pixmap of the same size. */
+ *pixmap = XCreatePixmap (display, window, width, height, depth);
+ if (*pixmap == 0)
+ {
+ x_destroy_x_image (*ximg);
+ *ximg = NULL;
+ image_error ("Unable to create pixmap for `%s'", file, Qnil);
+ return 0;
+ }
+
+ return 1;
+}
+
+
+/* Destroy XImage XIMG. Free XIMG->data. */
+
+static void
+x_destroy_x_image (ximg)
+ XImage *ximg;
+{
+ xassert (interrupt_input_blocked);
+ if (ximg)
+ {
+ xfree (ximg->data);
+ ximg->data = NULL;
+ XDestroyImage (ximg);
+ }
+}
+
+
+/* Put XImage XIMG into pixmap PIXMAP on frame F. WIDTH and HEIGHT
+ are width and height of both the image and pixmap. */
+
+void
+x_put_x_image (f, ximg, pixmap, width, height)
+ struct frame *f;
+ XImage *ximg;
+ Pixmap pixmap;
+{
+ GC gc;
+
+ xassert (interrupt_input_blocked);
+ gc = XCreateGC (FRAME_X_DISPLAY (f), pixmap, 0, NULL);
+ XPutImage (FRAME_X_DISPLAY (f), pixmap, gc, ximg, 0, 0, 0, 0, width, height);
+ XFreeGC (FRAME_X_DISPLAY (f), gc);
+}
+
+
+\f
+/***********************************************************************
+ Searching files
+ ***********************************************************************/
+
+static Lisp_Object x_find_image_file P_ ((Lisp_Object));
+
+/* Find image file FILE. Look in data-directory, then
+ x-bitmap-file-path. Value is the full name of the file found, or
+ nil if not found. */
+
+static Lisp_Object
+x_find_image_file (file)
+ Lisp_Object file;
+{
+ Lisp_Object file_found, search_path;
+ struct gcpro gcpro1, gcpro2;
+ int fd;
+
+ file_found = Qnil;
+ search_path = Fcons (Vdata_directory, Vx_bitmap_file_path);
+ GCPRO2 (file_found, search_path);
+
+ /* Try to find FILE in data-directory, then x-bitmap-file-path. */
+ fd = openp (search_path, file, "", &file_found, 0);
+
+ if (fd < 0)
+ file_found = Qnil;
+ else
+ close (fd);
+
+ UNGCPRO;
+ return file_found;
+}
+
+
+\f
+/***********************************************************************
+ XBM images
+ ***********************************************************************/
+
+static int xbm_load P_ ((struct frame *f, struct image *img));
+static int xbm_load_image_from_file P_ ((struct frame *f, struct image *img,
+ Lisp_Object file));
+static int xbm_image_p P_ ((Lisp_Object object));
+static int xbm_read_bitmap_file_data P_ ((char *, int *, int *,
+ unsigned char **));
+static int xbm_read_hexint P_ ((FILE *));
+
+
+/* Indices of image specification fields in xbm_format, below. */
+
+enum xbm_keyword_index
+{
+ XBM_TYPE,
+ XBM_FILE,
+ XBM_WIDTH,
+ XBM_HEIGHT,
+ XBM_DATA,
+ XBM_FOREGROUND,
+ XBM_BACKGROUND,
+ XBM_ASCENT,
+ XBM_MARGIN,
+ XBM_RELIEF,
+ XBM_ALGORITHM,
+ XBM_HEURISTIC_MASK,
+ XBM_LAST
+};
+
+/* Vector of image_keyword structures describing the format
+ of valid XBM image specifications. */
+
+static struct image_keyword xbm_format[XBM_LAST] =
+{
+ {":type", IMAGE_SYMBOL_VALUE, 1},
+ {":file", IMAGE_STRING_VALUE, 0},
+ {":width", IMAGE_POSITIVE_INTEGER_VALUE, 0},
+ {":height", IMAGE_POSITIVE_INTEGER_VALUE, 0},
+ {":data", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":foreground", IMAGE_STRING_VALUE, 0},
+ {":background", IMAGE_STRING_VALUE, 0},
+ {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
+ {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
+};
+
+/* Structure describing the image type XBM. */
+
+static struct image_type xbm_type =
+{
+ &Qxbm,
+ xbm_image_p,
+ xbm_load,
+ x_clear_image,
+ NULL
+};
+
+/* Tokens returned from xbm_scan. */
+
+enum xbm_token
+{
+ XBM_TK_IDENT = 256,
+ XBM_TK_NUMBER
+};
+
+
+/* Return non-zero if OBJECT is a valid XBM-type image specification.
+ A valid specification is a list starting with the symbol `image'
+ The rest of the list is a property list which must contain an
+ entry `:type xbm..
+
+ If the specification specifies a file to load, it must contain
+ an entry `:file FILENAME' where FILENAME is a string.
+
+ If the specification is for a bitmap loaded from memory it must
+ contain `:width WIDTH', `:height HEIGHT', and `:data DATA', where
+ WIDTH and HEIGHT are integers > 0. DATA may be:
+
+ 1. a string large enough to hold the bitmap data, i.e. it must
+ have a size >= (WIDTH + 7) / 8 * HEIGHT
+
+ 2. a bool-vector of size >= WIDTH * HEIGHT
+
+ 3. a vector of strings or bool-vectors, one for each line of the
+ bitmap.
+
+ Both the file and data forms may contain the additional entries
+ `:background COLOR' and `:foreground COLOR'. If not present,
+ foreground and background of the frame on which the image is
+ displayed, is used. */
+
+static int
+xbm_image_p (object)
+ Lisp_Object object;
+{
+ struct image_keyword kw[XBM_LAST];
+
+ bcopy (xbm_format, kw, sizeof kw);
+ if (!parse_image_spec (object, kw, XBM_LAST, Qxbm, 0))
+ return 0;
+
+ xassert (EQ (kw[XBM_TYPE].value, Qxbm));
+
+ if (kw[XBM_FILE].count)
+ {
+ if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_DATA].count)
+ return 0;
+ }
+ else
+ {
+ Lisp_Object data;
+ int width, height;
+
+ /* Entries for `:width', `:height' and `:data' must be present. */
+ if (!kw[XBM_WIDTH].count
+ || !kw[XBM_HEIGHT].count
+ || !kw[XBM_DATA].count)
+ return 0;
+
+ data = kw[XBM_DATA].value;
+ width = XFASTINT (kw[XBM_WIDTH].value);
+ height = XFASTINT (kw[XBM_HEIGHT].value);
+
+ /* Check type of data, and width and height against contents of
+ data. */
+ if (VECTORP (data))
+ {
+ int i;
+
+ /* Number of elements of the vector must be >= height. */
+ if (XVECTOR (data)->size < height)
+ return 0;
+
+ /* Each string or bool-vector in data must be large enough
+ for one line of the image. */
+ for (i = 0; i < height; ++i)
+ {
+ Lisp_Object elt = XVECTOR (data)->contents[i];
+
+ if (STRINGP (elt))
+ {
+ if (XSTRING (elt)->size
+ < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR)
+ return 0;
+ }
+ else if (BOOL_VECTOR_P (elt))
+ {
+ if (XBOOL_VECTOR (elt)->size < width)
+ return 0;
+ }
+ else
+ return 0;
+ }
+ }
+ else if (STRINGP (data))
+ {
+ if (XSTRING (data)->size
+ < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR * height)
+ return 0;
+ }
+ else if (BOOL_VECTOR_P (data))
+ {
+ if (XBOOL_VECTOR (data)->size < width * height)
+ return 0;
+ }
+ else
+ return 0;
+ }
+
+ /* Baseline must be a value between 0 and 100 (a percentage). */
+ if (kw[XBM_ASCENT].count
+ && XFASTINT (kw[XBM_ASCENT].value) > 100)
+ return 0;
+
+ return 1;
+}
+
+
+/* Scan a bitmap file. FP is the stream to read from. Value is
+ either an enumerator from enum xbm_token, or a character for a
+ single-character token, or 0 at end of file. If scanning an
+ identifier, store the lexeme of the identifier in SVAL. If
+ scanning a number, store its value in *IVAL. */
+
+static int
+xbm_scan (fp, sval, ival)
+ FILE *fp;
+ char *sval;
+ int *ival;
+{
+ int c;
+
+ /* Skip white space. */
+ while ((c = fgetc (fp)) != EOF && isspace (c))
+ ;
+
+ if (c == EOF)
+ c = 0;
+ else if (isdigit (c))
+ {
+ int value = 0, digit;
+
+ if (c == '0')
+ {
+ c = fgetc (fp);
+ if (c == 'x' || c == 'X')
+ {
+ while ((c = fgetc (fp)) != EOF)
+ {
+ if (isdigit (c))
+ digit = c - '0';
+ else if (c >= 'a' && c <= 'f')
+ digit = c - 'a' + 10;
+ else if (c >= 'A' && c <= 'F')
+ digit = c - 'A' + 10;
+ else
+ break;
+ value = 16 * value + digit;
+ }
+ }
+ else if (isdigit (c))
+ {
+ value = c - '0';
+ while ((c = fgetc (fp)) != EOF
+ && isdigit (c))
+ value = 8 * value + c - '0';
+ }
+ }
+ else
+ {
+ value = c - '0';
+ while ((c = fgetc (fp)) != EOF
+ && isdigit (c))
+ value = 10 * value + c - '0';
+ }
+
+ if (c != EOF)
+ ungetc (c, fp);
+ *ival = value;
+ c = XBM_TK_NUMBER;
+ }
+ else if (isalpha (c) || c == '_')
+ {
+ *sval++ = c;
+ while ((c = fgetc (fp)) != EOF
+ && (isalnum (c) || c == '_'))
+ *sval++ = c;
+ *sval = 0;
+ if (c != EOF)
+ ungetc (c, fp);
+ c = XBM_TK_IDENT;
+ }
+
+ return c;
+}
+
+
+/* Replacement for XReadBitmapFileData which isn't available under old
+ X versions. FILE is the name of the bitmap file to read. Set
+ *WIDTH and *HEIGHT to the width and height of the image. Return in
+ *DATA the bitmap data allocated with xmalloc. Value is non-zero if
+ successful. */
+
+static int
+xbm_read_bitmap_file_data (file, width, height, data)
+ char *file;
+ int *width, *height;
+ unsigned char **data;
+{
+ FILE *fp;
+ char buffer[BUFSIZ];
+ int padding_p = 0;
+ int v10 = 0;
+ int bytes_per_line, i, nbytes;
+ unsigned char *p;
+ int value;
+ int LA1;
+
+#define match() \
+ LA1 = xbm_scan (fp, buffer, &value)
+
+#define expect(TOKEN) \
+ if (LA1 != (TOKEN)) \
+ goto failure; \
+ else \
+ match ()
+
+#define expect_ident(IDENT) \
+ if (LA1 == XBM_TK_IDENT && strcmp (buffer, (IDENT)) == 0) \
+ match (); \
+ else \
+ goto failure
+
+ fp = fopen (file, "r");
+ if (fp == NULL)
+ return 0;
+
+ *width = *height = -1;
+ *data = NULL;
+ LA1 = xbm_scan (fp, buffer, &value);
+
+ /* Parse defines for width, height and hot-spots. */
+ while (LA1 == '#')
+ {
+ char *p;
+
+ match ();
+ expect_ident ("define");
+ expect (XBM_TK_IDENT);
+
+ if (LA1 == XBM_TK_NUMBER);
+ {
+ char *p = strrchr (buffer, '_');
+ p = p ? p + 1 : buffer;
+ if (strcmp (p, "width") == 0)
+ *width = value;
+ else if (strcmp (p, "height") == 0)
+ *height = value;
+ }
+ expect (XBM_TK_NUMBER);
+ }
+
+ if (*width < 0 || *height < 0)
+ goto failure;
+
+ /* Parse bits. Must start with `static'. */
+ expect_ident ("static");
+ if (LA1 == XBM_TK_IDENT)
+ {
+ if (strcmp (buffer, "unsigned") == 0)
+ {
+ match ();
+ expect_ident ("char");
+ }
+ else if (strcmp (buffer, "short") == 0)
+ {
+ match ();
+ v10 = 1;
+ if (*width % 16 && *width % 16 < 9)
+ padding_p = 1;
+ }
+ else if (strcmp (buffer, "char") == 0)
+ match ();
+ else
+ goto failure;
+ }
+ else
+ goto failure;
+
+ expect (XBM_TK_IDENT);
+ expect ('[');
+ expect (']');
+ expect ('=');
+ expect ('{');
+
+ bytes_per_line = (*width + 7) / 8 + padding_p;
+ nbytes = bytes_per_line * *height;
+ p = *data = (char *) xmalloc (nbytes);
+
+ if (v10)
+ {
+
+ for (i = 0; i < nbytes; i += 2)
+ {
+ int val = value;
+ expect (XBM_TK_NUMBER);
+
+ *p++ = val;
+ if (!padding_p || ((i + 2) % bytes_per_line))
+ *p++ = value >> 8;
+
+ if (LA1 == ',' || LA1 == '}')
+ match ();
+ else
+ goto failure;
+ }
+ }
+ else
+ {
+ for (i = 0; i < nbytes; ++i)
+ {
+ int val = value;
+ expect (XBM_TK_NUMBER);
+
+ *p++ = val;
+
+ if (LA1 == ',' || LA1 == '}')
+ match ();
+ else
+ goto failure;
+ }
+ }
+
+ fclose (fp);
+ return 1;
+
+ failure:
+
+ fclose (fp);
+ if (*data)
+ {
+ xfree (*data);
+ *data = NULL;
+ }
+ return 0;
+
+#undef match
+#undef expect
+#undef expect_ident
+}
+
+
+/* Load XBM image IMG which will be displayed on frame F from file
+ SPECIFIED_FILE. Value is non-zero if successful. */
+
+static int
+xbm_load_image_from_file (f, img, specified_file)
+ struct frame *f;
+ struct image *img;
+ Lisp_Object specified_file;
+{
+ int rc;
+ unsigned char *data;
+ int success_p = 0;
+ Lisp_Object file;
+ struct gcpro gcpro1;
+
+ xassert (STRINGP (specified_file));
+ file = Qnil;
+ GCPRO1 (file);
+
+ file = x_find_image_file (specified_file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file %s", specified_file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ rc = xbm_read_bitmap_file_data (XSTRING (file)->data, &img->width,
+ &img->height, &data);
+ if (rc)
+ {
+ int depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f));
+ unsigned long foreground = FRAME_FOREGROUND_PIXEL (f);
+ unsigned long background = FRAME_BACKGROUND_PIXEL (f);
+ Lisp_Object value;
+
+ xassert (img->width > 0 && img->height > 0);
+
+ /* Get foreground and background colors, maybe allocate colors. */
+ value = image_spec_value (img->spec, QCforeground, NULL);
+ if (!NILP (value))
+ foreground = x_alloc_image_color (f, img, value, foreground);
+
+ value = image_spec_value (img->spec, QCbackground, NULL);
+ if (!NILP (value))
+ background = x_alloc_image_color (f, img, value, background);
+
+ BLOCK_INPUT;
+ img->pixmap
+ = XCreatePixmapFromBitmapData (FRAME_X_DISPLAY (f),
+ FRAME_X_WINDOW (f),
+ data,
+ img->width, img->height,
+ foreground, background,
+ depth);
+ xfree (data);
+
+ if (img->pixmap == 0)
+ {
+ x_clear_image (f, img);
+ image_error ("Unable to create X pixmap for `%s'", file, Qnil);
+ }
+ else
+ success_p = 1;
+
+ UNBLOCK_INPUT;
+ }
+ else
+ image_error ("Error loading XBM image %s", img->spec, Qnil);
+
+ UNGCPRO;
+ return success_p;
+}
+
+
+/* Fill image IMG which is used on frame F with pixmap data. Value is
+ non-zero if successful. */
+
+static int
+xbm_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ int success_p = 0;
+ Lisp_Object file_name;
+
+ xassert (xbm_image_p (img->spec));
+
+ /* If IMG->spec specifies a file name, create a non-file spec from it. */
+ file_name = image_spec_value (img->spec, QCfile, NULL);
+ if (STRINGP (file_name))
+ success_p = xbm_load_image_from_file (f, img, file_name);
+ else
+ {
+ struct image_keyword fmt[XBM_LAST];
+ Lisp_Object data;
+ int depth;
+ unsigned long foreground = FRAME_FOREGROUND_PIXEL (f);
+ unsigned long background = FRAME_BACKGROUND_PIXEL (f);
+ char *bits;
+ int parsed_p;
+
+ /* Parse the list specification. */
+ bcopy (xbm_format, fmt, sizeof fmt);
+ parsed_p = parse_image_spec (img->spec, fmt, XBM_LAST, Qxbm, 0);
+ xassert (parsed_p);
+
+ /* Get specified width, and height. */
+ img->width = XFASTINT (fmt[XBM_WIDTH].value);
+ img->height = XFASTINT (fmt[XBM_HEIGHT].value);
+ xassert (img->width > 0 && img->height > 0);
+
+ BLOCK_INPUT;
+
+ if (fmt[XBM_ASCENT].count)
+ img->ascent = XFASTINT (fmt[XBM_ASCENT].value);
+
+ /* Get foreground and background colors, maybe allocate colors. */
+ if (fmt[XBM_FOREGROUND].count)
+ foreground = x_alloc_image_color (f, img, fmt[XBM_FOREGROUND].value,
+ foreground);
+ if (fmt[XBM_BACKGROUND].count)
+ background = x_alloc_image_color (f, img, fmt[XBM_BACKGROUND].value,
+ background);
+
+ /* Set bits to the bitmap image data. */
+ data = fmt[XBM_DATA].value;
+ if (VECTORP (data))
+ {
+ int i;
+ char *p;
+ int nbytes = (img->width + BITS_PER_CHAR - 1) / BITS_PER_CHAR;
+
+ p = bits = (char *) alloca (nbytes * img->height);
+ for (i = 0; i < img->height; ++i, p += nbytes)
+ {
+ Lisp_Object line = XVECTOR (data)->contents[i];
+ if (STRINGP (line))
+ bcopy (XSTRING (line)->data, p, nbytes);
+ else
+ bcopy (XBOOL_VECTOR (line)->data, p, nbytes);
+ }
+ }
+ else if (STRINGP (data))
+ bits = XSTRING (data)->data;
+ else
+ bits = XBOOL_VECTOR (data)->data;
+
+ /* Create the pixmap. */
+ depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f));
+ img->pixmap
+ = XCreatePixmapFromBitmapData (FRAME_X_DISPLAY (f),
+ FRAME_X_WINDOW (f),
+ bits,
+ img->width, img->height,
+ foreground, background,
+ depth);
+ if (img->pixmap)
+ success_p = 1;
+ else
+ {
+ image_error ("Unable to create pixmap for XBM image", Qnil, Qnil);
+ x_clear_image (f, img);
+ }
+
+ UNBLOCK_INPUT;
+ }
+
+ return success_p;
+}
+
+
+\f
+/***********************************************************************
+ XPM images
+ ***********************************************************************/
+
+#if HAVE_XPM
+
+static int xpm_image_p P_ ((Lisp_Object object));
+static int xpm_load P_ ((struct frame *f, struct image *img));
+static int xpm_valid_color_symbols_p P_ ((Lisp_Object));
+
+#include "X11/xpm.h"
+
+/* The symbol `xpm' identifying XPM-format images. */
+
+Lisp_Object Qxpm;
+
+/* Indices of image specification fields in xpm_format, below. */
+
+enum xpm_keyword_index
+{
+ XPM_TYPE,
+ XPM_FILE,
+ XPM_DATA,
+ XPM_ASCENT,
+ XPM_MARGIN,
+ XPM_RELIEF,
+ XPM_ALGORITHM,
+ XPM_HEURISTIC_MASK,
+ XPM_COLOR_SYMBOLS,
+ XPM_LAST
+};
+
+/* Vector of image_keyword structures describing the format
+ of valid XPM image specifications. */
+
+static struct image_keyword xpm_format[XPM_LAST] =
+{
+ {":type", IMAGE_SYMBOL_VALUE, 1},
+ {":file", IMAGE_STRING_VALUE, 0},
+ {":data", IMAGE_STRING_VALUE, 0},
+ {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
+ {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":color-symbols", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
+};
+
+/* Structure describing the image type XBM. */
+
+static struct image_type xpm_type =
+{
+ &Qxpm,
+ xpm_image_p,
+ xpm_load,
+ x_clear_image,
+ NULL
+};
+
+
+/* Value is non-zero if COLOR_SYMBOLS is a valid color symbols list
+ for XPM images. Such a list must consist of conses whose car and
+ cdr are strings. */
+
+static int
+xpm_valid_color_symbols_p (color_symbols)
+ Lisp_Object color_symbols;
+{
+ while (CONSP (color_symbols))
+ {
+ Lisp_Object sym = XCAR (color_symbols);
+ if (!CONSP (sym)
+ || !STRINGP (XCAR (sym))
+ || !STRINGP (XCDR (sym)))
+ break;
+ color_symbols = XCDR (color_symbols);
+ }
+
+ return NILP (color_symbols);
+}
+
+
+/* Value is non-zero if OBJECT is a valid XPM image specification. */
+
+static int
+xpm_image_p (object)
+ Lisp_Object object;
+{
+ struct image_keyword fmt[XPM_LAST];
+ bcopy (xpm_format, fmt, sizeof fmt);
+ return (parse_image_spec (object, fmt, XPM_LAST, Qxpm, 0)
+ /* Either `:file' or `:data' must be present. */
+ && fmt[XPM_FILE].count + fmt[XPM_DATA].count == 1
+ /* Either no `:color-symbols' or it's a list of conses
+ whose car and cdr are strings. */
+ && (fmt[XPM_COLOR_SYMBOLS].count == 0
+ || xpm_valid_color_symbols_p (fmt[XPM_COLOR_SYMBOLS].value))
+ && (fmt[XPM_ASCENT].count == 0
+ || XFASTINT (fmt[XPM_ASCENT].value) < 100));
+}
+
+
+/* Load image IMG which will be displayed on frame F. Value is
+ non-zero if successful. */
+
+static int
+xpm_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ int rc, i;
+ XpmAttributes attrs;
+ Lisp_Object specified_file, color_symbols;
+
+ /* Configure the XPM lib. Use the visual of frame F. Allocate
+ close colors. Return colors allocated. */
+ bzero (&attrs, sizeof attrs);
+ attrs.visual = FRAME_X_DISPLAY_INFO (f)->visual;
+ attrs.valuemask |= XpmVisual;
+ attrs.valuemask |= XpmReturnAllocPixels;
+#ifdef XpmAllocCloseColors
+ attrs.alloc_close_colors = 1;
+ attrs.valuemask |= XpmAllocCloseColors;
+#else
+ attrs.closeness = 600;
+ attrs.valuemask |= XpmCloseness;
+#endif
+
+ /* If image specification contains symbolic color definitions, add
+ these to `attrs'. */
+ color_symbols = image_spec_value (img->spec, QCcolor_symbols, NULL);
+ if (CONSP (color_symbols))
+ {
+ Lisp_Object tail;
+ XpmColorSymbol *xpm_syms;
+ int i, size;
+
+ attrs.valuemask |= XpmColorSymbols;
+
+ /* Count number of symbols. */
+ attrs.numsymbols = 0;
+ for (tail = color_symbols; CONSP (tail); tail = XCDR (tail))
+ ++attrs.numsymbols;
+
+ /* Allocate an XpmColorSymbol array. */
+ size = attrs.numsymbols * sizeof *xpm_syms;
+ xpm_syms = (XpmColorSymbol *) alloca (size);
+ bzero (xpm_syms, size);
+ attrs.colorsymbols = xpm_syms;
+
+ /* Fill the color symbol array. */
+ for (tail = color_symbols, i = 0;
+ CONSP (tail);
+ ++i, tail = XCDR (tail))
+ {
+ Lisp_Object name = XCAR (XCAR (tail));
+ Lisp_Object color = XCDR (XCAR (tail));
+ xpm_syms[i].name = (char *) alloca (XSTRING (name)->size + 1);
+ strcpy (xpm_syms[i].name, XSTRING (name)->data);
+ xpm_syms[i].value = (char *) alloca (XSTRING (color)->size + 1);
+ strcpy (xpm_syms[i].value, XSTRING (color)->data);
+ }
+ }
+
+ /* Create a pixmap for the image, either from a file, or from a
+ string buffer containing data in the same format as an XPM file. */
+ BLOCK_INPUT;
+ specified_file = image_spec_value (img->spec, QCfile, NULL);
+ if (STRINGP (specified_file))
+ {
+ Lisp_Object file = x_find_image_file (specified_file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file %s", specified_file, Qnil);
+ return 0;
+ }
+
+ rc = XpmReadFileToPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
+ XSTRING (file)->data, &img->pixmap, &img->mask,
+ &attrs);
+ }
+ else
+ {
+ Lisp_Object buffer = image_spec_value (img->spec, QCdata, NULL);
+ rc = XpmCreatePixmapFromBuffer (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
+ XSTRING (buffer)->data,
+ &img->pixmap, &img->mask,
+ &attrs);
+ }
+ UNBLOCK_INPUT;
+
+ if (rc == XpmSuccess)
+ {
+ /* Remember allocated colors. */
+ img->ncolors = attrs.nalloc_pixels;
+ img->colors = (unsigned long *) xmalloc (img->ncolors
+ * sizeof *img->colors);
+ for (i = 0; i < attrs.nalloc_pixels; ++i)
+ img->colors[i] = attrs.alloc_pixels[i];
+
+ img->width = attrs.width;
+ img->height = attrs.height;
+ xassert (img->width > 0 && img->height > 0);
+
+ /* The call to XpmFreeAttributes below frees attrs.alloc_pixels. */
+ BLOCK_INPUT;
+ XpmFreeAttributes (&attrs);
+ UNBLOCK_INPUT;
+ }
+ else
+ {
+ switch (rc)
+ {
+ case XpmOpenFailed:
+ image_error ("Error opening XPM file (%s)", img->spec, Qnil);
+ break;
+
+ case XpmFileInvalid:
+ image_error ("Invalid XPM file (%s)", img->spec, Qnil);
+ break;
+
+ case XpmNoMemory:
+ image_error ("Out of memory (%s)", img->spec, Qnil);
+ break;
+
+ case XpmColorFailed:
+ image_error ("Color allocation error (%s)", img->spec, Qnil);
+ break;
+
+ default:
+ image_error ("Unknown error (%s)", img->spec, Qnil);
+ break;
+ }
+ }
+
+ return rc == XpmSuccess;
+}
+
+#endif /* HAVE_XPM != 0 */
+
+\f
+/***********************************************************************
+ Color table
+ ***********************************************************************/
+
+/* An entry in the color table mapping an RGB color to a pixel color. */
+
+struct ct_color
+{
+ int r, g, b;
+ unsigned long pixel;
+
+ /* Next in color table collision list. */
+ struct ct_color *next;
+};
+
+/* The bucket vector size to use. Must be prime. */
+
+#define CT_SIZE 101
+
+/* Value is a hash of the RGB color given by R, G, and B. */
+
+#define CT_HASH_RGB(R, G, B) (((R) << 16) ^ ((G) << 8) ^ (B))
+
+/* The color hash table. */
+
+struct ct_color **ct_table;
+
+/* Number of entries in the color table. */
+
+int ct_colors_allocated;
+
+/* Function prototypes. */
+
+static void init_color_table P_ ((void));
+static void free_color_table P_ ((void));
+static unsigned long *colors_in_color_table P_ ((int *n));
+static unsigned long lookup_rgb_color P_ ((struct frame *f, int r, int g, int b));
+static unsigned long lookup_pixel_color P_ ((struct frame *f, unsigned long p));
+
+
+/* Initialize the color table. */
+
+static void
+init_color_table ()
+{
+ int size = CT_SIZE * sizeof (*ct_table);
+ ct_table = (struct ct_color **) xmalloc (size);
+ bzero (ct_table, size);
+ ct_colors_allocated = 0;
+}
+
+
+/* Free memory associated with the color table. */
+
+static void
+free_color_table ()
+{
+ int i;
+ struct ct_color *p, *next;
+
+ for (i = 0; i < CT_SIZE; ++i)
+ for (p = ct_table[i]; p; p = next)
+ {
+ next = p->next;
+ xfree (p);
+ }
+
+ xfree (ct_table);
+ ct_table = NULL;
+}
+
+
+/* Value is a pixel color for RGB color R, G, B on frame F. If an
+ entry for that color already is in the color table, return the
+ pixel color of that entry. Otherwise, allocate a new color for R,
+ G, B, and make an entry in the color table. */
+
+static unsigned long
+lookup_rgb_color (f, r, g, b)
+ struct frame *f;
+ int r, g, b;
+{
+ unsigned hash = CT_HASH_RGB (r, g, b);
+ int i = hash % CT_SIZE;
+ struct ct_color *p;
+
+ for (p = ct_table[i]; p; p = p->next)
+ if (p->r == r && p->g == g && p->b == b)
+ break;
+
+ if (p == NULL)
+ {
+ XColor color;
+ Colormap cmap;
+ int rc;
+
+ color.red = r;
+ color.green = g;
+ color.blue = b;
+
+ BLOCK_INPUT;
+ cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f));
+ rc = x_alloc_nearest_color (FRAME_X_DISPLAY (f), FRAME_X_SCREEN (f),
+ cmap, &color);
+ UNBLOCK_INPUT;
+
+ if (rc)
+ {
+ ++ct_colors_allocated;
+
+ p = (struct ct_color *) xmalloc (sizeof *p);
+ p->r = r;
+ p->g = g;
+ p->b = b;
+ p->pixel = color.pixel;
+ p->next = ct_table[i];
+ ct_table[i] = p;
+ }
+ else
+ return FRAME_FOREGROUND_PIXEL (f);
+ }
+
+ return p->pixel;
+}
+
+
+/* Look up pixel color PIXEL which is used on frame F in the color
+ table. If not already present, allocate it. Value is PIXEL. */
+
+static unsigned long
+lookup_pixel_color (f, pixel)
+ struct frame *f;
+ unsigned long pixel;
+{
+ int i = pixel % CT_SIZE;
+ struct ct_color *p;
+
+ for (p = ct_table[i]; p; p = p->next)
+ if (p->pixel == pixel)
+ break;
+
+ if (p == NULL)
+ {
+ XColor color;
+ Colormap cmap;
+ int rc;
+
+ BLOCK_INPUT;
+
+ cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f));
+ color.pixel = pixel;
+ XQueryColor (FRAME_X_DISPLAY (f), cmap, &color);
+ rc = x_alloc_nearest_color (FRAME_X_DISPLAY (f), FRAME_X_SCREEN (f),
+ cmap, &color);
+ UNBLOCK_INPUT;
+
+ if (rc)
+ {
+ ++ct_colors_allocated;
+
+ p = (struct ct_color *) xmalloc (sizeof *p);
+ p->r = color.red;
+ p->g = color.green;
+ p->b = color.blue;
+ p->pixel = pixel;
+ p->next = ct_table[i];
+ ct_table[i] = p;
+ }
+ else
+ return FRAME_FOREGROUND_PIXEL (f);
+ }
+
+ return p->pixel;
+}
+
+
+/* Value is a vector of all pixel colors contained in the color table,
+ allocated via xmalloc. Set *N to the number of colors. */
+
+static unsigned long *
+colors_in_color_table (n)
+ int *n;
+{
+ int i, j;
+ struct ct_color *p;
+ unsigned long *colors;
+
+ if (ct_colors_allocated == 0)
+ {
+ *n = 0;
+ colors = NULL;
+ }
+ else
+ {
+ colors = (unsigned long *) xmalloc (ct_colors_allocated
+ * sizeof *colors);
+ *n = ct_colors_allocated;
+
+ for (i = j = 0; i < CT_SIZE; ++i)
+ for (p = ct_table[i]; p; p = p->next)
+ colors[j++] = p->pixel;
+ }
+
+ return colors;
+}
+
+
+\f
+/***********************************************************************
+ Algorithms
+ ***********************************************************************/
+
+static void x_laplace_write_row P_ ((struct frame *, long *,
+ int, XImage *, int));
+static void x_laplace_read_row P_ ((struct frame *, Colormap,
+ XColor *, int, XImage *, int));
+
+
+/* Fill COLORS with RGB colors from row Y of image XIMG. F is the
+ frame we operate on, CMAP is the color-map in effect, and WIDTH is
+ the width of one row in the image. */
+
+static void
+x_laplace_read_row (f, cmap, colors, width, ximg, y)
+ struct frame *f;
+ Colormap cmap;
+ XColor *colors;
+ int width;
+ XImage *ximg;
+ int y;
+{
+ int x;
+
+ for (x = 0; x < width; ++x)
+ colors[x].pixel = XGetPixel (ximg, x, y);
+
+ XQueryColors (FRAME_X_DISPLAY (f), cmap, colors, width);
+}
+
+
+/* Write row Y of image XIMG. PIXELS is an array of WIDTH longs
+ containing the pixel colors to write. F is the frame we are
+ working on. */
+
+static void
+x_laplace_write_row (f, pixels, width, ximg, y)
+ struct frame *f;
+ long *pixels;
+ int width;
+ XImage *ximg;
+ int y;
+{
+ int x;
+
+ for (x = 0; x < width; ++x)
+ XPutPixel (ximg, x, y, pixels[x]);
+}
+
+
+/* Transform image IMG which is used on frame F with a Laplace
+ edge-detection algorithm. The result is an image that can be used
+ to draw disabled buttons, for example. */
+
+static void
+x_laplace (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ Colormap cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f));
+ XImage *ximg, *oimg;
+ XColor *in[3];
+ long *out;
+ Pixmap pixmap;
+ int x, y, i;
+ long pixel;
+ int in_y, out_y, rc;
+ int mv2 = 45000;
+
+ BLOCK_INPUT;
+
+ /* Get the X image IMG->pixmap. */
+ ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap,
+ 0, 0, img->width, img->height, ~0, ZPixmap);
+
+ /* Allocate 3 input rows, and one output row of colors. */
+ for (i = 0; i < 3; ++i)
+ in[i] = (XColor *) alloca (img->width * sizeof (XColor));
+ out = (long *) alloca (img->width * sizeof (long));
+
+ /* Create an X image for output. */
+ rc = x_create_x_image_and_pixmap (f, Qnil, img->width, img->height, 0,
+ &oimg, &pixmap);
+
+ /* Fill first two rows. */
+ x_laplace_read_row (f, cmap, in[0], img->width, ximg, 0);
+ x_laplace_read_row (f, cmap, in[1], img->width, ximg, 1);
+ in_y = 2;
+
+ /* Write first row, all zeros. */
+ init_color_table ();
+ pixel = lookup_rgb_color (f, 0, 0, 0);
+ for (x = 0; x < img->width; ++x)
+ out[x] = pixel;
+ x_laplace_write_row (f, out, img->width, oimg, 0);
+ out_y = 1;
+
+ for (y = 2; y < img->height; ++y)
+ {
+ int rowa = y % 3;
+ int rowb = (y + 2) % 3;
+
+ x_laplace_read_row (f, cmap, in[rowa], img->width, ximg, in_y++);
+
+ for (x = 0; x < img->width - 2; ++x)
+ {
+ int r = in[rowa][x].red + mv2 - in[rowb][x + 2].red;
+ int g = in[rowa][x].green + mv2 - in[rowb][x + 2].green;
+ int b = in[rowa][x].blue + mv2 - in[rowb][x + 2].blue;
+
+ out[x + 1] = lookup_rgb_color (f, r & 0xffff, g & 0xffff,
+ b & 0xffff);
+ }
+
+ x_laplace_write_row (f, out, img->width, oimg, out_y++);
+ }
+
+ /* Write last line, all zeros. */
+ for (x = 0; x < img->width; ++x)
+ out[x] = pixel;
+ x_laplace_write_row (f, out, img->width, oimg, out_y);
+
+ /* Free the input image, and free resources of IMG. */
+ XDestroyImage (ximg);
+ x_clear_image (f, img);
+
+ /* Put the output image into pixmap, and destroy it. */
+ x_put_x_image (f, oimg, pixmap, img->width, img->height);
+ x_destroy_x_image (oimg);
+
+ /* Remember new pixmap and colors in IMG. */
+ img->pixmap = pixmap;
+ img->colors = colors_in_color_table (&img->ncolors);
+ free_color_table ();
+
+ UNBLOCK_INPUT;
+}
+
+
+/* Build a mask for image IMG which is used on frame F. FILE is the
+ name of an image file, for error messages. HOW determines how to
+ determine the background color of IMG. If it is an integer, take
+ that as the pixel value of the background. Otherwise, determine
+ the background color of IMG heuristically. Value is non-zero
+ if successful. */
+
+static int
+x_build_heuristic_mask (f, file, img, how)
+ struct frame *f;
+ Lisp_Object file;
+ struct image *img;
+ Lisp_Object how;
+{
+ Display *dpy = FRAME_X_DISPLAY (f);
+ Window win = FRAME_X_WINDOW (f);
+ XImage *ximg, *mask_img;
+ int x, y, rc;
+ unsigned long bg;
+
+ BLOCK_INPUT;
+
+ /* Create an image and pixmap serving as mask. */
+ rc = x_create_x_image_and_pixmap (f, file, img->width, img->height, 1,
+ &mask_img, &img->mask);
+ if (!rc)
+ {
+ UNBLOCK_INPUT;
+ return 0;
+ }
+
+ /* Get the X image of IMG->pixmap. */
+ ximg = XGetImage (dpy, img->pixmap, 0, 0, img->width, img->height,
+ ~0, ZPixmap);
+
+ /* Determine the background color of ximg. If HOW is an integer,
+ take that as a pixel color. Otherwise, try to determine the
+ color heuristically. */
+ if (NATNUMP (how))
+ bg = XFASTINT (how);
+ else
+ {
+ unsigned long corners[4];
+ int i, best_count;
+
+ /* Get the colors at the corners of ximg. */
+ corners[0] = XGetPixel (ximg, 0, 0);
+ corners[1] = XGetPixel (ximg, img->width - 1, 0);
+ corners[2] = XGetPixel (ximg, img->width - 1, img->height - 1);
+ corners[3] = XGetPixel (ximg, 0, img->height - 1);
+
+ /* Choose the most frequently found color as background. */
+ for (i = best_count = 0; i < 4; ++i)
+ {
+ int j, n;
+
+ for (j = n = 0; j < 4; ++j)
+ if (corners[i] == corners[j])
+ ++n;
+
+ if (n > best_count)
+ bg = corners[i], best_count = n;
+ }
+ }
+
+ /* Set all bits in mask_img to 1 whose color in ximg is different
+ from the background color bg. */
+ for (y = 0; y < img->height; ++y)
+ for (x = 0; x < img->width; ++x)
+ XPutPixel (mask_img, x, y, XGetPixel (ximg, x, y) != bg);
+
+ /* Put mask_img into img->mask. */
+ x_put_x_image (f, mask_img, img->mask, img->width, img->height);
+ x_destroy_x_image (mask_img);
+ XDestroyImage (ximg);
+
+ UNBLOCK_INPUT;
+ return 1;
+}
+
+
+\f
+/***********************************************************************
+ PBM (mono, gray, color)
+ ***********************************************************************/
+
+static int pbm_image_p P_ ((Lisp_Object object));
+static int pbm_load P_ ((struct frame *f, struct image *img));
+static int pbm_scan_number P_ ((FILE *fp));
+
+/* The symbol `pbm' identifying images of this type. */
+
+Lisp_Object Qpbm;
+
+/* Indices of image specification fields in gs_format, below. */
+
+enum pbm_keyword_index
+{
+ PBM_TYPE,
+ PBM_FILE,
+ PBM_ASCENT,
+ PBM_MARGIN,
+ PBM_RELIEF,
+ PBM_ALGORITHM,
+ PBM_HEURISTIC_MASK,
+ PBM_LAST
+};
+
+/* Vector of image_keyword structures describing the format
+ of valid user-defined image specifications. */
+
+static struct image_keyword pbm_format[PBM_LAST] =
+{
+ {":type", IMAGE_SYMBOL_VALUE, 1},
+ {":file", IMAGE_STRING_VALUE, 1},
+ {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
+ {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
+};
+
+/* Structure describing the image type `pbm'. */
+
+static struct image_type pbm_type =
+{
+ &Qpbm,
+ pbm_image_p,
+ pbm_load,
+ x_clear_image,
+ NULL
+};
+
+
+/* Return non-zero if OBJECT is a valid PBM image specification. */
+
+static int
+pbm_image_p (object)
+ Lisp_Object object;
+{
+ struct image_keyword fmt[PBM_LAST];
+
+ bcopy (pbm_format, fmt, sizeof fmt);
+
+ if (!parse_image_spec (object, fmt, PBM_LAST, Qpbm, 0)
+ || (fmt[PBM_ASCENT].count
+ && XFASTINT (fmt[PBM_ASCENT].value) > 100))
+ return 0;
+ return 1;
+}
+
+
+/* Scan a decimal number from PBM input file FP and return it. Value
+ is -1 at end of file or if an error occurs. */
+
+static int
+pbm_scan_number (fp)
+ FILE *fp;
+{
+ int c, val = -1;
+
+ while (!feof (fp))
+ {
+ /* Skip white-space. */
+ while ((c = fgetc (fp)) != EOF && isspace (c))
+ ;
+
+ if (c == '#')
+ {
+ /* Skip comment to end of line. */
+ while ((c = fgetc (fp)) != EOF && c != '\n')
+ ;
+ }
+ else if (isdigit (c))
+ {
+ /* Read decimal number. */
+ val = c - '0';
+ while ((c = fgetc (fp)) != EOF && isdigit (c))
+ val = 10 * val + c - '0';
+ break;
+ }
+ else
+ break;
+ }
+
+ return val;
+}
+
+
+/* Load PBM image IMG for use on frame F. */
+
+static int
+pbm_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ FILE *fp;
+ char magic[2];
+ int raw_p, x, y;
+ int width, height, max_color_idx = 0, value;
+ XImage *ximg;
+ Lisp_Object file, specified_file;
+ enum {PBM_MONO, PBM_GRAY, PBM_COLOR} type;
+ struct gcpro gcpro1;
+
+ specified_file = image_spec_value (img->spec, QCfile, NULL);
+ file = x_find_image_file (specified_file);
+ GCPRO1 (file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file %s", specified_file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ fp = fopen (XSTRING (file)->data, "r");
+ if (fp == NULL)
+ {
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Read first two characters. */
+ if (fread (magic, sizeof *magic, 2, fp) != 2)
+ {
+ fclose (fp);
+ image_error ("Not a PBM image file: %s", file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ if (*magic != 'P')
+ {
+ fclose (fp);
+ image_error ("Not a PBM image file: %s", file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ switch (magic[1])
+ {
+ case '1':
+ raw_p = 0, type = PBM_MONO;
+ break;
+
+ case '2':
+ raw_p = 0, type = PBM_GRAY;
+ break;
+
+ case '3':
+ raw_p = 0, type = PBM_COLOR;
+ break;
+
+ case '4':
+ raw_p = 1, type = PBM_MONO;
+ break;
+
+ case '5':
+ raw_p = 1, type = PBM_GRAY;
+ break;
+
+ case '6':
+ raw_p = 1, type = PBM_COLOR;
+ break;
+
+ default:
+ fclose (fp);
+ image_error ("Not a PBM image file: %s", file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Read width, height, maximum color-component. Characters
+ starting with `#' up to the end of a line are ignored. */
+ width = pbm_scan_number (fp);
+ height = pbm_scan_number (fp);
+
+ if (type != PBM_MONO)
+ {
+ max_color_idx = pbm_scan_number (fp);
+ if (raw_p && max_color_idx > 255)
+ max_color_idx = 255;
+ }
+
+ if (width < 0 || height < 0
+ || (type != PBM_MONO && max_color_idx < 0))
+ {
+ fclose (fp);
+ UNGCPRO;
+ return 0;
+ }
+
+ BLOCK_INPUT;
+ if (!x_create_x_image_and_pixmap (f, file, width, height, 0,
+ &ximg, &img->pixmap))
+ {
+ fclose (fp);
+ UNBLOCK_INPUT;
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Initialize the color hash table. */
+ init_color_table ();
+
+ if (type == PBM_MONO)
+ {
+ int c = 0, g;
+
+ for (y = 0; y < height; ++y)
+ for (x = 0; x < width; ++x)
+ {
+ if (raw_p)
+ {
+ if ((x & 7) == 0)
+ c = fgetc (fp);
+ g = c & 0x80;
+ c <<= 1;
+ }
+ else
+ g = pbm_scan_number (fp);
+
+ XPutPixel (ximg, x, y, (g
+ ? FRAME_FOREGROUND_PIXEL (f)
+ : FRAME_BACKGROUND_PIXEL (f)));
+ }
+ }
+ else
+ {
+ for (y = 0; y < height; ++y)
+ for (x = 0; x < width; ++x)
+ {
+ int r, g, b;
+
+ if (type == PBM_GRAY)
+ r = g = b = raw_p ? fgetc (fp) : pbm_scan_number (fp);
+ else if (raw_p)
+ {
+ r = fgetc (fp);
+ g = fgetc (fp);
+ b = fgetc (fp);
+ }
+ else
+ {
+ r = pbm_scan_number (fp);
+ g = pbm_scan_number (fp);
+ b = pbm_scan_number (fp);
+ }
+
+ if (r < 0 || g < 0 || b < 0)
+ {
+ fclose (fp);
+ xfree (ximg->data);
+ ximg->data = NULL;
+ XDestroyImage (ximg);
+ UNBLOCK_INPUT;
+ image_error ("Invalid pixel value in file `%s'",
+ file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* RGB values are now in the range 0..max_color_idx.
+ Scale this to the range 0..0xffff supported by X. */
+ r = (double) r * 65535 / max_color_idx;
+ g = (double) g * 65535 / max_color_idx;
+ b = (double) b * 65535 / max_color_idx;
+ XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b));
+ }
+ }
+
+ fclose (fp);
+
+ /* Store in IMG->colors the colors allocated for the image, and
+ free the color table. */
+ img->colors = colors_in_color_table (&img->ncolors);
+ free_color_table ();
+
+ /* Put the image into a pixmap. */
+ x_put_x_image (f, ximg, img->pixmap, width, height);
+ x_destroy_x_image (ximg);
+ UNBLOCK_INPUT;
+
+ img->width = width;
+ img->height = height;
+
+ UNGCPRO;
+ return 1;
+}
+
+
+\f
+/***********************************************************************
+ PNG
+ ***********************************************************************/
+
+#if HAVE_PNG
+
+#include <png.h>
+
+/* Function prototypes. */
+
+static int png_image_p P_ ((Lisp_Object object));
+static int png_load P_ ((struct frame *f, struct image *img));
+
+/* The symbol `png' identifying images of this type. */
+
+Lisp_Object Qpng;
+
+/* Indices of image specification fields in png_format, below. */
+
+enum png_keyword_index
+{
+ PNG_TYPE,
+ PNG_FILE,
+ PNG_ASCENT,
+ PNG_MARGIN,
+ PNG_RELIEF,
+ PNG_ALGORITHM,
+ PNG_HEURISTIC_MASK,
+ PNG_LAST
+};
+
+/* Vector of image_keyword structures describing the format
+ of valid user-defined image specifications. */
+
+static struct image_keyword png_format[PNG_LAST] =
+{
+ {":type", IMAGE_SYMBOL_VALUE, 1},
+ {":file", IMAGE_STRING_VALUE, 1},
+ {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
+ {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
+};
+
+/* Structure describing the image type `gif'. */
+
+static struct image_type png_type =
+{
+ &Qpng,
+ png_image_p,
+ png_load,
+ x_clear_image,
+ NULL
+};
+
+
+/* Return non-zero if OBJECT is a valid PNG image specification. */
+
+static int
+png_image_p (object)
+ Lisp_Object object;
+{
+ struct image_keyword fmt[PNG_LAST];
+ bcopy (png_format, fmt, sizeof fmt);
+
+ if (!parse_image_spec (object, fmt, PNG_LAST, Qpng, 1)
+ || (fmt[PNG_ASCENT].count
+ && XFASTINT (fmt[PNG_ASCENT].value) > 100))
+ return 0;
+ return 1;
+}
+
+
+/* Error and warning handlers installed when the PNG library
+ is initialized. */
+
+static void
+my_png_error (png_ptr, msg)
+ png_struct *png_ptr;
+ char *msg;
+{
+ xassert (png_ptr != NULL);
+ image_error ("PNG error: %s", build_string (msg), Qnil);
+ longjmp (png_ptr->jmpbuf, 1);
+}
+
+
+static void
+my_png_warning (png_ptr, msg)
+ png_struct *png_ptr;
+ char *msg;
+{
+ xassert (png_ptr != NULL);
+ image_error ("PNG warning: %s", build_string (msg), Qnil);
+}
+
+
+/* Load PNG image IMG for use on frame F. Value is non-zero if
+ successful. */
+
+static int
+png_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ Lisp_Object file, specified_file;
+ int rc, x, y, i;
+ XImage *ximg, *mask_img = NULL;
+ struct gcpro gcpro1;
+ png_struct *png_ptr = NULL;
+ png_info *info_ptr = NULL, *end_info = NULL;
+ FILE *fp;
+ png_byte sig[8];
+ png_byte *pixels = NULL;
+ png_byte **rows = NULL;
+ png_uint_32 width, height;
+ int bit_depth, color_type, interlace_type;
+ png_byte channels;
+ png_uint_32 row_bytes;
+ int transparent_p;
+ char *gamma_str;
+ double screen_gamma, image_gamma;
+ int intent;
+
+ /* Find out what file to load. */
+ specified_file = image_spec_value (img->spec, QCfile, NULL);
+ file = x_find_image_file (specified_file);
+ GCPRO1 (file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file %s", specified_file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Open the image file. */
+ fp = fopen (XSTRING (file)->data, "rb");
+ if (!fp)
+ {
+ image_error ("Cannot open image file %s", file, Qnil);
+ UNGCPRO;
+ fclose (fp);
+ return 0;
+ }
+
+ /* Check PNG signature. */
+ if (fread (sig, 1, sizeof sig, fp) != sizeof sig
+ || !png_check_sig (sig, sizeof sig))
+ {
+ image_error ("Not a PNG file: %s", file, Qnil);
+ UNGCPRO;
+ fclose (fp);
+ return 0;
+ }
+
+ /* Initialize read and info structs for PNG lib. */
+ png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL,
+ my_png_error, my_png_warning);
+ if (!png_ptr)
+ {
+ fclose (fp);
+ UNGCPRO;
+ return 0;
+ }
+
+ info_ptr = png_create_info_struct (png_ptr);
+ if (!info_ptr)
+ {
+ png_destroy_read_struct (&png_ptr, NULL, NULL);
+ fclose (fp);
+ UNGCPRO;
+ return 0;
+ }
+
+ end_info = png_create_info_struct (png_ptr);
+ if (!end_info)
+ {
+ png_destroy_read_struct (&png_ptr, &info_ptr, NULL);
+ fclose (fp);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Set error jump-back. We come back here when the PNG library
+ detects an error. */
+ if (setjmp (png_ptr->jmpbuf))
+ {
+ error:
+ if (png_ptr)
+ png_destroy_read_struct (&png_ptr, &info_ptr, &end_info);
+ xfree (pixels);
+ xfree (rows);
+ if (fp)
+ fclose (fp);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Read image info. */
+ png_init_io (png_ptr, fp);
+ png_set_sig_bytes (png_ptr, sizeof sig);
+ png_read_info (png_ptr, info_ptr);
+ png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
+ &interlace_type, NULL, NULL);
+
+ /* If image contains simply transparency data, we prefer to
+ construct a clipping mask. */
+ if (png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS))
+ transparent_p = 1;
+ else
+ transparent_p = 0;
+
+ /* This function is easier to write if we only have to handle
+ one data format: RGB or RGBA with 8 bits per channel. Let's
+ transform other formats into that format. */
+
+ /* Strip more than 8 bits per channel. */
+ if (bit_depth == 16)
+ png_set_strip_16 (png_ptr);
+
+ /* Expand data to 24 bit RGB, or 8 bit grayscale, with alpha channel
+ if available. */
+ png_set_expand (png_ptr);
+
+ /* Convert grayscale images to RGB. */
+ if (color_type == PNG_COLOR_TYPE_GRAY
+ || color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
+ png_set_gray_to_rgb (png_ptr);
+
+ /* The value 2.2 is a guess for PC monitors from PNG example.c. */
+ gamma_str = getenv ("SCREEN_GAMMA");
+ screen_gamma = gamma_str ? atof (gamma_str) : 2.2;
+
+ /* Tell the PNG lib to handle gamma correction for us. */
+
+ if (png_get_sRGB (png_ptr, info_ptr, &intent))
+ /* There is a special chunk in the image specifying the gamma. */
+ png_set_sRGB (png_ptr, info_ptr, intent);
+ else if (png_get_gAMA (png_ptr, info_ptr, &image_gamma))
+ /* Image contains gamma information. */
+ png_set_gamma (png_ptr, screen_gamma, image_gamma);
+ else
+ /* Use a default of 0.5 for the image gamma. */
+ png_set_gamma (png_ptr, screen_gamma, 0.5);
+
+ /* Handle alpha channel by combining the image with a background
+ color. Do this only if a real alpha channel is supplied. For
+ simple transparency, we prefer a clipping mask. */
+ if (!transparent_p)
+ {
+ png_color_16 *image_background;
+
+ if (png_get_bKGD (png_ptr, info_ptr, &image_background))
+ /* Image contains a background color with which to
+ combine the image. */
+ png_set_background (png_ptr, image_background,
+ PNG_BACKGROUND_GAMMA_FILE, 1, 1.0);
+ else
+ {
+ /* Image does not contain a background color with which
+ to combine the image data via an alpha channel. Use
+ the frame's background instead. */
+ XColor color;
+ Colormap cmap;
+ png_color_16 frame_background;
+
+ BLOCK_INPUT;
+ cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f));
+ color.pixel = FRAME_BACKGROUND_PIXEL (f);
+ XQueryColor (FRAME_X_DISPLAY (f), cmap, &color);
+ UNBLOCK_INPUT;
+
+ bzero (&frame_background, sizeof frame_background);
+ frame_background.red = color.red;
+ frame_background.green = color.green;
+ frame_background.blue = color.blue;
+
+ png_set_background (png_ptr, &frame_background,
+ PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0);
+ }
+ }
+
+ /* Update info structure. */
+ png_read_update_info (png_ptr, info_ptr);
+
+ /* Get number of channels. Valid values are 1 for grayscale images
+ and images with a palette, 2 for grayscale images with transparency
+ information (alpha channel), 3 for RGB images, and 4 for RGB
+ images with alpha channel, i.e. RGBA. If conversions above were
+ sufficient we should only have 3 or 4 channels here. */
+ channels = png_get_channels (png_ptr, info_ptr);
+ xassert (channels == 3 || channels == 4);
+
+ /* Number of bytes needed for one row of the image. */
+ row_bytes = png_get_rowbytes (png_ptr, info_ptr);
+
+ /* Allocate memory for the image. */
+ pixels = (png_byte *) xmalloc (row_bytes * height * sizeof *pixels);
+ rows = (png_byte **) xmalloc (height * sizeof *rows);
+ for (i = 0; i < height; ++i)
+ rows[i] = pixels + i * row_bytes;
+
+ /* Read the entire image. */
+ png_read_image (png_ptr, rows);
+ png_read_end (png_ptr, info_ptr);
+ fclose (fp);
+ fp = NULL;
+
+ BLOCK_INPUT;
+
+ /* Create the X image and pixmap. */
+ if (!x_create_x_image_and_pixmap (f, file, width, height, 0, &ximg,
+ &img->pixmap))
+ {
+ UNBLOCK_INPUT;
+ goto error;
+ }
+
+ /* Create an image and pixmap serving as mask if the PNG image
+ contains an alpha channel. */
+ if (channels == 4
+ && !transparent_p
+ && !x_create_x_image_and_pixmap (f, file, width, height, 1,
+ &mask_img, &img->mask))
+ {
+ x_destroy_x_image (ximg);
+ XFreePixmap (FRAME_X_DISPLAY (f), img->pixmap);
+ img->pixmap = 0;
+ UNBLOCK_INPUT;
+ goto error;
+ }
+
+ /* Fill the X image and mask from PNG data. */
+ init_color_table ();
+
+ for (y = 0; y < height; ++y)
+ {
+ png_byte *p = rows[y];
+
+ for (x = 0; x < width; ++x)
+ {
+ unsigned r, g, b;
+
+ r = *p++ << 8;
+ g = *p++ << 8;
+ b = *p++ << 8;
+ XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b));
+
+ /* An alpha channel, aka mask channel, associates variable
+ transparency with an image. Where other image formats
+ support binary transparency---fully transparent or fully
+ opaque---PNG allows up to 254 levels of partial transparency.
+ The PNG library implements partial transparency by combining
+ the image with a specified background color.
+
+ I'm not sure how to handle this here nicely: because the
+ background on which the image is displayed may change, for
+ real alpha channel support, it would be necessary to create
+ a new image for each possible background.
+
+ What I'm doing now is that a mask is created if we have
+ boolean transparency information. Otherwise I'm using
+ the frame's background color to combine the image with. */
+
+ if (channels == 4)
+ {
+ if (mask_img)
+ XPutPixel (mask_img, x, y, *p > 0);
+ ++p;
+ }
+ }
+ }
+
+ /* Remember colors allocated for this image. */
+ img->colors = colors_in_color_table (&img->ncolors);
+ free_color_table ();
+
+ /* Clean up. */
+ png_destroy_read_struct (&png_ptr, &info_ptr, &end_info);
+ xfree (rows);
+ xfree (pixels);
+
+ img->width = width;
+ img->height = height;
+
+ /* Put the image into the pixmap, then free the X image and its buffer. */
+ x_put_x_image (f, ximg, img->pixmap, width, height);
+ x_destroy_x_image (ximg);
+
+ /* Same for the mask. */
+ if (mask_img)
+ {
+ x_put_x_image (f, mask_img, img->mask, img->width, img->height);
+ x_destroy_x_image (mask_img);
+ }
+
+ UNBLOCK_INPUT;
+ UNGCPRO;
+ return 1;
+}
+
+#endif /* HAVE_PNG != 0 */
+
+
+\f
+/***********************************************************************
+ JPEG
+ ***********************************************************************/
+
+#if HAVE_JPEG
+
+#include <jpeglib.h>
+#include <jerror.h>
+#include <setjmp.h>
+
+static int jpeg_image_p P_ ((Lisp_Object object));
+static int jpeg_load P_ ((struct frame *f, struct image *img));
+
+/* The symbol `jpeg' identifying images of this type. */
+
+Lisp_Object Qjpeg;
+
+/* Indices of image specification fields in gs_format, below. */
+
+enum jpeg_keyword_index
+{
+ JPEG_TYPE,
+ JPEG_FILE,
+ JPEG_ASCENT,
+ JPEG_MARGIN,
+ JPEG_RELIEF,
+ JPEG_ALGORITHM,
+ JPEG_HEURISTIC_MASK,
+ JPEG_LAST
+};
+
+/* Vector of image_keyword structures describing the format
+ of valid user-defined image specifications. */
+
+static struct image_keyword jpeg_format[JPEG_LAST] =
+{
+ {":type", IMAGE_SYMBOL_VALUE, 1},
+ {":file", IMAGE_STRING_VALUE, 1},
+ {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
+ {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
+};
+
+/* Structure describing the image type `jpeg'. */
+
+static struct image_type jpeg_type =
+{
+ &Qjpeg,
+ jpeg_image_p,
+ jpeg_load,
+ x_clear_image,
+ NULL
+};
+
+
+/* Return non-zero if OBJECT is a valid JPEG image specification. */
+
+static int
+jpeg_image_p (object)
+ Lisp_Object object;
+{
+ struct image_keyword fmt[JPEG_LAST];
+
+ bcopy (jpeg_format, fmt, sizeof fmt);
+
+ if (!parse_image_spec (object, fmt, JPEG_LAST, Qjpeg, 0)
+ || (fmt[JPEG_ASCENT].count
+ && XFASTINT (fmt[JPEG_ASCENT].value) > 100))
+ return 0;
+ return 1;
+}
+
+struct my_jpeg_error_mgr
+{
+ struct jpeg_error_mgr pub;
+ jmp_buf setjmp_buffer;
+};
+
+static void
+my_error_exit (cinfo)
+ j_common_ptr cinfo;
+{
+ struct my_jpeg_error_mgr *mgr = (struct my_jpeg_error_mgr *) cinfo->err;
+ longjmp (mgr->setjmp_buffer, 1);
+}
+
+/* Load image IMG for use on frame F. Patterned after example.c
+ from the JPEG lib. */
+
+static int
+jpeg_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ struct jpeg_decompress_struct cinfo;
+ struct my_jpeg_error_mgr mgr;
+ Lisp_Object file, specified_file;
+ FILE *fp;
+ JSAMPARRAY buffer;
+ int row_stride, x, y;
+ XImage *ximg = NULL;
+ int rc, value;
+ unsigned long *colors;
+ int width, height;
+ struct gcpro gcpro1;
+
+ /* Open the JPEG file. */
+ specified_file = image_spec_value (img->spec, QCfile, NULL);
+ file = x_find_image_file (specified_file);
+ GCPRO1 (file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file %s", specified_file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ fp = fopen (XSTRING (file)->data, "r");
+ if (fp == NULL)
+ {
+ image_error ("Cannot open `%s'", file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Customize libjpeg's error handling to call my_error_exit
+ when an error is detected. This function will perform
+ a longjmp. */
+ mgr.pub.error_exit = my_error_exit;
+ cinfo.err = jpeg_std_error (&mgr.pub);
+
+ if ((rc = setjmp (mgr.setjmp_buffer)) != 0)
+ {
+ if (rc == 1)
+ {
+ /* Called from my_error_exit. Display a JPEG error. */
+ char buffer[JMSG_LENGTH_MAX];
+ cinfo.err->format_message ((j_common_ptr) &cinfo, buffer);
+ image_error ("Error reading JPEG file `%s': %s", file,
+ build_string (buffer));
+ }
+
+ /* Close the input file and destroy the JPEG object. */
+ fclose (fp);
+ jpeg_destroy_decompress (&cinfo);
+
+ BLOCK_INPUT;
+
+ /* If we already have an XImage, free that. */
+ x_destroy_x_image (ximg);
+
+ /* Free pixmap and colors. */
+ x_clear_image (f, img);
+
+ UNBLOCK_INPUT;
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Create the JPEG decompression object. Let it read from fp.
+ Read the JPEG image header. */
+ jpeg_create_decompress (&cinfo);
+ jpeg_stdio_src (&cinfo, fp);
+ jpeg_read_header (&cinfo, TRUE);
+
+ /* Customize decompression so that color quantization will be used.
+ Start decompression. */
+ cinfo.quantize_colors = TRUE;
+ jpeg_start_decompress (&cinfo);
+ width = img->width = cinfo.output_width;
+ height = img->height = cinfo.output_height;
+
+ BLOCK_INPUT;
+
+ /* Create X image and pixmap. */
+ if (!x_create_x_image_and_pixmap (f, file, width, height, 0, &ximg,
+ &img->pixmap))
+ {
+ UNBLOCK_INPUT;
+ longjmp (mgr.setjmp_buffer, 2);
+ }
+
+ /* Allocate colors. When color quantization is used,
+ cinfo.actual_number_of_colors has been set with the number of
+ colors generated, and cinfo.colormap is a two-dimensional array
+ of color indices in the range 0..cinfo.actual_number_of_colors.
+ No more than 255 colors will be generated. */
+ {
+ int i, ir, ig, ib;
+
+ if (cinfo.out_color_components > 2)
+ ir = 0, ig = 1, ib = 2;
+ else if (cinfo.out_color_components > 1)
+ ir = 0, ig = 1, ib = 0;
+ else
+ ir = 0, ig = 0, ib = 0;
+
+ /* Use the color table mechanism because it handles colors that
+ cannot be allocated nicely. Such colors will be replaced with
+ a default color, and we don't have to care about which colors
+ can be freed safely, and which can't. */
+ init_color_table ();
+ colors = (unsigned long *) alloca (cinfo.actual_number_of_colors
+ * sizeof *colors);
+
+ for (i = 0; i < cinfo.actual_number_of_colors; ++i)
+ {
+ /* Multiply RGB values with 255 because X expects RGB values
+ in the range 0..0xffff. */
+ int r = cinfo.colormap[ir][i] << 8;
+ int g = cinfo.colormap[ig][i] << 8;
+ int b = cinfo.colormap[ib][i] << 8;
+ colors[i] = lookup_rgb_color (f, r, g, b);
+ }
+
+ /* Remember those colors actually allocated. */
+ img->colors = colors_in_color_table (&img->ncolors);
+ free_color_table ();
+ }
+
+ /* Read pixels. */
+ row_stride = width * cinfo.output_components;
+ buffer = cinfo.mem->alloc_sarray ((j_common_ptr) &cinfo, JPOOL_IMAGE,
+ row_stride, 1);
+ for (y = 0; y < height; ++y)
+ {
+ jpeg_read_scanlines (&cinfo, buffer, 1);
+ for (x = 0; x < cinfo.output_width; ++x)
+ XPutPixel (ximg, x, y, colors[buffer[0][x]]);
+ }
+
+ /* Clean up. */
+ jpeg_finish_decompress (&cinfo);
+ jpeg_destroy_decompress (&cinfo);
+ fclose (fp);
+
+ /* Put the image into the pixmap. */
+ x_put_x_image (f, ximg, img->pixmap, width, height);
+ x_destroy_x_image (ximg);
+ UNBLOCK_INPUT;
+ UNGCPRO;
+ return 1;
+}
+
+#endif /* HAVE_JPEG */
+
+
+\f
+/***********************************************************************
+ TIFF
+ ***********************************************************************/
+
+#if HAVE_TIFF
+
+#include <tiff34/tiffio.h>
+
+static int tiff_image_p P_ ((Lisp_Object object));
+static int tiff_load P_ ((struct frame *f, struct image *img));
+
+/* The symbol `tiff' identifying images of this type. */
+
+Lisp_Object Qtiff;
+
+/* Indices of image specification fields in tiff_format, below. */
+
+enum tiff_keyword_index
+{
+ TIFF_TYPE,
+ TIFF_FILE,
+ TIFF_ASCENT,
+ TIFF_MARGIN,
+ TIFF_RELIEF,
+ TIFF_ALGORITHM,
+ TIFF_HEURISTIC_MASK,
+ TIFF_LAST
+};
+
+/* Vector of image_keyword structures describing the format
+ of valid user-defined image specifications. */
+
+static struct image_keyword tiff_format[TIFF_LAST] =
+{
+ {":type", IMAGE_SYMBOL_VALUE, 1},
+ {":file", IMAGE_STRING_VALUE, 1},
+ {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
+ {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
+};
+
+/* Structure describing the image type `tiff'. */
+
+static struct image_type tiff_type =
+{
+ &Qtiff,
+ tiff_image_p,
+ tiff_load,
+ x_clear_image,
+ NULL
+};
+
+
+/* Return non-zero if OBJECT is a valid TIFF image specification. */
+
+static int
+tiff_image_p (object)
+ Lisp_Object object;
+{
+ struct image_keyword fmt[TIFF_LAST];
+ bcopy (tiff_format, fmt, sizeof fmt);
+
+ if (!parse_image_spec (object, fmt, TIFF_LAST, Qtiff, 1)
+ || (fmt[TIFF_ASCENT].count
+ && XFASTINT (fmt[TIFF_ASCENT].value) > 100))
+ return 0;
+ return 1;
+}
+
+
+/* Load TIFF image IMG for use on frame F. Value is non-zero if
+ successful. */
+
+static int
+tiff_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ Lisp_Object file, specified_file;
+ TIFF *tiff;
+ int width, height, x, y;
+ uint32 *buf;
+ int rc;
+ XImage *ximg;
+ struct gcpro gcpro1;
+
+ specified_file = image_spec_value (img->spec, QCfile, NULL);
+ file = x_find_image_file (specified_file);
+ GCPRO1 (file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file %s", file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Try to open the image file. */
+ tiff = TIFFOpen (XSTRING (file)->data, "r");
+ if (tiff == NULL)
+ {
+ image_error ("Cannot open `%s'", file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Get width and height of the image, and allocate a raster buffer
+ of width x height 32-bit values. */
+ TIFFGetField (tiff, TIFFTAG_IMAGEWIDTH, &width);
+ TIFFGetField (tiff, TIFFTAG_IMAGELENGTH, &height);
+ buf = (uint32 *) xmalloc (width * height * sizeof *buf);
+
+ rc = TIFFReadRGBAImage (tiff, width, height, buf, 0);
+ TIFFClose (tiff);
+ if (!rc)
+ {
+ image_error ("Error reading `%s'", file, Qnil);
+ xfree (buf);
+ UNGCPRO;
+ return 0;
+ }
+
+ BLOCK_INPUT;
+
+ /* Create the X image and pixmap. */
+ if (!x_create_x_image_and_pixmap (f, file, width, height, 0, &ximg,
+ &img->pixmap))
+ {
+ UNBLOCK_INPUT;
+ xfree (buf);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Initialize the color table. */
+ init_color_table ();
+
+ /* Process the pixel raster. Origin is in the lower-left corner. */
+ for (y = 0; y < height; ++y)
+ {
+ uint32 *row = buf + y * width;
+
+ for (x = 0; x < width; ++x)
+ {
+ uint32 abgr = row[x];
+ int r = TIFFGetR (abgr) << 8;
+ int g = TIFFGetG (abgr) << 8;
+ int b = TIFFGetB (abgr) << 8;
+ XPutPixel (ximg, x, height - 1 - y, lookup_rgb_color (f, r, g, b));
+ }
+ }
+
+ /* Remember the colors allocated for the image. Free the color table. */
+ img->colors = colors_in_color_table (&img->ncolors);
+ free_color_table ();
+
+ /* Put the image into the pixmap, then free the X image and its buffer. */
+ x_put_x_image (f, ximg, img->pixmap, width, height);
+ x_destroy_x_image (ximg);
+ xfree (buf);
+ UNBLOCK_INPUT;
+
+ img->width = width;
+ img->height = height;
+
+ UNGCPRO;
+ return 1;
+}
+
+#endif /* HAVE_TIFF != 0 */
+
+
+\f
+/***********************************************************************
+ GIF
+ ***********************************************************************/
+
+#if HAVE_GIF
+
+#include <gif_lib.h>
+
+static int gif_image_p P_ ((Lisp_Object object));
+static int gif_load P_ ((struct frame *f, struct image *img));
+
+/* The symbol `gif' identifying images of this type. */
+
+Lisp_Object Qgif;
+
+/* Indices of image specification fields in gif_format, below. */
+
+enum gif_keyword_index
+{
+ GIF_TYPE,
+ GIF_FILE,
+ GIF_ASCENT,
+ GIF_MARGIN,
+ GIF_RELIEF,
+ GIF_ALGORITHM,
+ GIF_HEURISTIC_MASK,
+ GIF_IMAGE,
+ GIF_LAST
+};
+
+/* Vector of image_keyword structures describing the format
+ of valid user-defined image specifications. */
+
+static struct image_keyword gif_format[GIF_LAST] =
+{
+ {":type", IMAGE_SYMBOL_VALUE, 1},
+ {":file", IMAGE_STRING_VALUE, 1},
+ {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
+ {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":image", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}
+};
+
+/* Structure describing the image type `gif'. */
+
+static struct image_type gif_type =
+{
+ &Qgif,
+ gif_image_p,
+ gif_load,
+ x_clear_image,
+ NULL
+};
+
+
+/* Return non-zero if OBJECT is a valid GIF image specification. */
+
+static int
+gif_image_p (object)
+ Lisp_Object object;
+{
+ struct image_keyword fmt[GIF_LAST];
+ bcopy (gif_format, fmt, sizeof fmt);
+
+ if (!parse_image_spec (object, fmt, GIF_LAST, Qgif, 1)
+ || (fmt[GIF_ASCENT].count
+ && XFASTINT (fmt[GIF_ASCENT].value) > 100))
+ return 0;
+ return 1;
+}
+
+
+/* Load GIF image IMG for use on frame F. Value is non-zero if
+ successful. */
+
+static int
+gif_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ Lisp_Object file, specified_file;
+ int rc, width, height, x, y, i;
+ XImage *ximg;
+ ColorMapObject *gif_color_map;
+ unsigned long pixel_colors[256];
+ GifFileType *gif;
+ struct gcpro gcpro1;
+ Lisp_Object image;
+ int ino, image_left, image_top, image_width, image_height;
+ int bg;
+
+ specified_file = image_spec_value (img->spec, QCfile, NULL);
+ file = x_find_image_file (specified_file);
+ GCPRO1 (file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file %s", specified_file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Open the GIF file. */
+ gif = DGifOpenFileName (XSTRING (file)->data);
+ if (gif == NULL)
+ {
+ image_error ("Cannot open `%s'", file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Read entire contents. */
+ rc = DGifSlurp (gif);
+ if (rc == GIF_ERROR)
+ {
+ image_error ("Error reading `%s'", file, Qnil);
+ DGifCloseFile (gif);
+ UNGCPRO;
+ return 0;
+ }
+
+ image = image_spec_value (img->spec, QCimage, NULL);
+ ino = INTEGERP (image) ? XFASTINT (image) : 0;
+ if (ino >= gif->ImageCount)
+ {
+ image_error ("Invalid image number `%s'", image, Qnil);
+ DGifCloseFile (gif);
+ UNGCPRO;
+ return 0;
+ }
+
+ width = img->width = gif->SWidth;
+ height = img->height = gif->SHeight;
+
+ BLOCK_INPUT;
+
+ /* Create the X image and pixmap. */
+ if (!x_create_x_image_and_pixmap (f, file, width, height, 0, &ximg,
+ &img->pixmap))
+ {
+ UNBLOCK_INPUT;
+ DGifCloseFile (gif);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Allocate colors. */
+ gif_color_map = gif->SavedImages[ino].ImageDesc.ColorMap;
+ if (!gif_color_map)
+ gif_color_map = gif->SColorMap;
+ init_color_table ();
+ bzero (pixel_colors, sizeof pixel_colors);
+
+ for (i = 0; i < gif_color_map->ColorCount; ++i)
+ {
+ int r = gif_color_map->Colors[i].Red << 8;
+ int g = gif_color_map->Colors[i].Green << 8;
+ int b = gif_color_map->Colors[i].Blue << 8;
+ pixel_colors[i] = lookup_rgb_color (f, r, g, b);
+ }
+
+ img->colors = colors_in_color_table (&img->ncolors);
+ free_color_table ();
+
+ /* Clear the part of the screen image that are not covered by
+ the image from the GIF file. Full animated GIF support
+ requires more than can be done here (see the gif89 spec,
+ disposal methods). Let's simply assume that the part
+ not covered by a sub-image is in the frame's background color. */
+ image_top = gif->SavedImages[ino].ImageDesc.Top;
+ image_left = gif->SavedImages[ino].ImageDesc.Left;
+ image_width = gif->SavedImages[ino].ImageDesc.Width;
+ image_height = gif->SavedImages[ino].ImageDesc.Height;
+
+ for (y = 0; y < image_top; ++y)
+ for (x = 0; x < width; ++x)
+ XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f));
+
+ for (y = image_top + image_height; y < height; ++y)
+ for (x = 0; x < width; ++x)
+ XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f));
+
+ for (y = image_top; y < image_top + image_height; ++y)
+ {
+ for (x = 0; x < image_left; ++x)
+ XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f));
+ for (x = image_left + image_width; x < width; ++x)
+ XPutPixel (ximg, x, y, FRAME_BACKGROUND_PIXEL (f));
+ }
+
+ /* Read the GIF image into the X image. */
+ if (gif->SavedImages[ino].ImageDesc.Interlace)
+ {
+ static int interlace_start[] = {0, 4, 2, 1};
+ static int interlace_increment[] = {8, 8, 4, 2};
+ int pass, inc;
+
+ for (pass = 0; pass < 4; ++pass)
+ {
+ inc = interlace_increment[pass];
+ for (y = interlace_start[pass]; y < image_height; y += inc)
+ for (x = 0; x < image_width; ++x)
+ {
+ unsigned i = gif->SavedImages[ino].RasterBits[y * image_width + x];
+ XPutPixel (ximg, x + image_left, y + image_top,
+ pixel_colors[i]);
+ }
+ }
+ }
+ else
+ {
+ for (y = 0; y < image_height; ++y)
+ for (x = 0; x < image_width; ++x)
+ {
+ unsigned i = gif->SavedImages[ino].RasterBits[y * image_width + x];
+ XPutPixel (ximg, x + image_left, y + image_top, pixel_colors[i]);
+ }
+ }
+
+ DGifCloseFile (gif);
+
+ /* Put the image into the pixmap, then free the X image and its buffer. */
+ x_put_x_image (f, ximg, img->pixmap, width, height);
+ x_destroy_x_image (ximg);
+ UNBLOCK_INPUT;
+
+ UNGCPRO;
+ return 1;
+}
+
+#endif /* HAVE_GIF != 0 */
+
+
+\f
+/***********************************************************************
+ Ghostscript
+ ***********************************************************************/
+
+static int gs_image_p P_ ((Lisp_Object object));
+static int gs_load P_ ((struct frame *f, struct image *img));
+static void gs_clear_image P_ ((struct frame *f, struct image *img));
+
+/* The symbol `ghostscript' identifying images of this type. */
+
+Lisp_Object Qghostscript;
+
+/* Keyword symbols. */
+
+Lisp_Object QCloader, QCbounding_box, QCpt_width, QCpt_height;
+
+/* Indices of image specification fields in gs_format, below. */
+
+enum gs_keyword_index
+{
+ GS_TYPE,
+ GS_PT_WIDTH,
+ GS_PT_HEIGHT,
+ GS_FILE,
+ GS_LOADER,
+ GS_BOUNDING_BOX,
+ GS_ASCENT,
+ GS_MARGIN,
+ GS_RELIEF,
+ GS_ALGORITHM,
+ GS_HEURISTIC_MASK,
+ GS_LAST
+};
+
+/* Vector of image_keyword structures describing the format
+ of valid user-defined image specifications. */
+
+static struct image_keyword gs_format[GS_LAST] =
+{
+ {":type", IMAGE_SYMBOL_VALUE, 1},
+ {":pt-width", IMAGE_POSITIVE_INTEGER_VALUE, 1},
+ {":pt-height", IMAGE_POSITIVE_INTEGER_VALUE, 1},
+ {":file", IMAGE_STRING_VALUE, 1},
+ {":loader", IMAGE_FUNCTION_VALUE, 0},
+ {":bounding-box", IMAGE_DONT_CHECK_VALUE_TYPE, 1},
+ {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
+ {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
+};
+
+/* Structure describing the image type `ghostscript'. */
+
+static struct image_type gs_type =
+{
+ &Qghostscript,
+ gs_image_p,
+ gs_load,
+ gs_clear_image,
+ NULL
+};
+
+
+/* Free X resources of Ghostscript image IMG which is used on frame F. */
+
+static void
+gs_clear_image (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ /* IMG->data.ptr_val may contain a recorded colormap. */
+ xfree (img->data.ptr_val);
+ x_clear_image (f, img);
+}
+
+
+/* Return non-zero if OBJECT is a valid Ghostscript image
+ specification. */
+
+static int
+gs_image_p (object)
+ Lisp_Object object;
+{
+ struct image_keyword fmt[GS_LAST];
+ Lisp_Object tem;
+ int i;
+
+ bcopy (gs_format, fmt, sizeof fmt);
+
+ if (!parse_image_spec (object, fmt, GS_LAST, Qghostscript, 1)
+ || (fmt[GS_ASCENT].count
+ && XFASTINT (fmt[GS_ASCENT].value) > 100))
+ return 0;
+
+ /* Bounding box must be a list or vector containing 4 integers. */
+ tem = fmt[GS_BOUNDING_BOX].value;
+ if (CONSP (tem))
+ {
+ for (i = 0; i < 4; ++i, tem = XCDR (tem))
+ if (!CONSP (tem) || !INTEGERP (XCAR (tem)))
+ return 0;
+ if (!NILP (tem))
+ return 0;
+ }
+ else if (VECTORP (tem))
+ {
+ if (XVECTOR (tem)->size != 4)
+ return 0;
+ for (i = 0; i < 4; ++i)
+ if (!INTEGERP (XVECTOR (tem)->contents[i]))
+ return 0;
+ }
+ else
+ return 0;
+
+ return 1;
+}
+
+
+/* Load Ghostscript image IMG for use on frame F. Value is non-zero
+ if successful. */
+
+static int
+gs_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ char buffer[100];
+ Lisp_Object window_and_pixmap_id = Qnil, loader, pt_height, pt_width;
+ struct gcpro gcpro1, gcpro2;
+ Lisp_Object frame;
+ double in_width, in_height;
+ Lisp_Object pixel_colors = Qnil;
+
+ /* Compute pixel size of pixmap needed from the given size in the
+ image specification. Sizes in the specification are in pt. 1 pt
+ = 1/72 in, xdpi and ydpi are stored in the frame's X display
+ info. */
+ pt_width = image_spec_value (img->spec, QCpt_width, NULL);
+ in_width = XFASTINT (pt_width) / 72.0;
+ img->width = in_width * FRAME_X_DISPLAY_INFO (f)->resx;
+ pt_height = image_spec_value (img->spec, QCpt_height, NULL);
+ in_height = XFASTINT (pt_height) / 72.0;
+ img->height = in_height * FRAME_X_DISPLAY_INFO (f)->resy;
+
+ /* Create the pixmap. */
+ BLOCK_INPUT;
+ xassert (img->pixmap == 0);
+ img->pixmap = XCreatePixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
+ img->width, img->height,
+ DefaultDepthOfScreen (FRAME_X_SCREEN (f)));
+ UNBLOCK_INPUT;
+
+ if (!img->pixmap)
+ {
+ image_error ("Unable to create pixmap for `%s'",
+ image_spec_value (img->spec, QCfile, NULL), Qnil);
+ return 0;
+ }
+
+ /* Call the loader to fill the pixmap. It returns a process object
+ if successful. We do not record_unwind_protect here because
+ other places in redisplay like calling window scroll functions
+ don't either. Let the Lisp loader use `unwind-protect' instead. */
+ GCPRO2 (window_and_pixmap_id, pixel_colors);
+
+ sprintf (buffer, "%lu %lu",
+ (unsigned long) FRAME_X_WINDOW (f),
+ (unsigned long) img->pixmap);
+ window_and_pixmap_id = build_string (buffer);
+
+ sprintf (buffer, "%lu %lu",
+ FRAME_FOREGROUND_PIXEL (f),
+ FRAME_BACKGROUND_PIXEL (f));
+ pixel_colors = build_string (buffer);
+
+ XSETFRAME (frame, f);
+ loader = image_spec_value (img->spec, QCloader, NULL);
+ if (NILP (loader))
+ loader = intern ("gs-load-image");
+
+ img->data.lisp_val = call6 (loader, frame, img->spec,
+ make_number (img->width),
+ make_number (img->height),
+ window_and_pixmap_id,
+ pixel_colors);
+ UNGCPRO;
+ return PROCESSP (img->data.lisp_val);
+}
+
+
+/* Kill the Ghostscript process that was started to fill PIXMAP on
+ frame F. Called from XTread_socket when receiving an event
+ telling Emacs that Ghostscript has finished drawing. */
+
+void
+x_kill_gs_process (pixmap, f)
+ Pixmap pixmap;
+ struct frame *f;
+{
+ struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
+ int class, i;
+ struct image *img;
+
+ /* Find the image containing PIXMAP. */
+ for (i = 0; i < c->used; ++i)
+ if (c->images[i]->pixmap == pixmap)
+ break;
+
+ /* Kill the GS process. We should have found PIXMAP in the image
+ cache and its image should contain a process object. */
+ xassert (i < c->used);
+ img = c->images[i];
+ xassert (PROCESSP (img->data.lisp_val));
+ Fkill_process (img->data.lisp_val, Qnil);
+ img->data.lisp_val = Qnil;
+
+ /* On displays with a mutable colormap, figure out the colors
+ allocated for the image by looking at the pixels of an XImage for
+ img->pixmap. */
+ class = FRAME_X_DISPLAY_INFO (f)->visual->class;
+ if (class != StaticColor && class != StaticGray && class != TrueColor)
+ {
+ XImage *ximg;
+
+ BLOCK_INPUT;
+
+ /* Try to get an XImage for img->pixmep. */
+ ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap,
+ 0, 0, img->width, img->height, ~0, ZPixmap);
+ if (ximg)
+ {
+ int x, y;
+
+ /* Initialize the color table. */
+ init_color_table ();
+
+ /* For each pixel of the image, look its color up in the
+ color table. After having done so, the color table will
+ contain an entry for each color used by the image. */
+ for (y = 0; y < img->height; ++y)
+ for (x = 0; x < img->width; ++x)
+ {
+ unsigned long pixel = XGetPixel (ximg, x, y);
+ lookup_pixel_color (f, pixel);
+ }
+
+ /* Record colors in the image. Free color table and XImage. */
+ img->colors = colors_in_color_table (&img->ncolors);
+ free_color_table ();
+ XDestroyImage (ximg);
+
+#if 0 /* This doesn't seem to be the case. If we free the colors
+ here, we get a BadAccess later in x_clear_image when
+ freeing the colors. */
+ /* We have allocated colors once, but Ghostscript has also
+ allocated colors on behalf of us. So, to get the
+ reference counts right, free them once. */
+ if (img->ncolors)
+ {
+ Colormap cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f));
+ XFreeColors (FRAME_X_DISPLAY (f), cmap,
+ img->colors, img->ncolors, 0);
+ }
+#endif
+ }
+ else
+ image_error ("Cannot get X image of `%s'; colors will not be freed",
+ image_spec_value (img->spec, QCfile, NULL), Qnil);
+
+ UNBLOCK_INPUT;
+ }
+}
+
+
+\f
+/***********************************************************************
+ Window properties
+ ***********************************************************************/
+
+DEFUN ("x-change-window-property", Fx_change_window_property,
+ Sx_change_window_property, 2, 3, 0,
+ "Change window property PROP to VALUE on the X window of FRAME.\n\
+PROP and VALUE must be strings. FRAME nil or omitted means use the\n\
+selected frame. Value is VALUE.")
+ (prop, value, frame)
+ Lisp_Object frame, prop, value;
+{
+ struct frame *f = check_x_frame (frame);
+ Atom prop_atom;
+
+ CHECK_STRING (prop, 1);
+ CHECK_STRING (value, 2);
+
+ BLOCK_INPUT;
+ prop_atom = XInternAtom (FRAME_X_DISPLAY (f), XSTRING (prop)->data, False);
+ XChangeProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
+ prop_atom, XA_STRING, 8, PropModeReplace,
+ XSTRING (value)->data, XSTRING (value)->size);
+
+ /* Make sure the property is set when we return. */
+ XFlush (FRAME_X_DISPLAY (f));
+ UNBLOCK_INPUT;
+
+ return value;
+}
+
+
+DEFUN ("x-delete-window-property", Fx_delete_window_property,
+ Sx_delete_window_property, 1, 2, 0,
+ "Remove window property PROP from X window of FRAME.\n\
+FRAME nil or omitted means use the selected frame. Value is PROP.")
+ (prop, frame)
+ Lisp_Object prop, frame;
+{
+ struct frame *f = check_x_frame (frame);
+ Atom prop_atom;
+
+ CHECK_STRING (prop, 1);
+ BLOCK_INPUT;
+ prop_atom = XInternAtom (FRAME_X_DISPLAY (f), XSTRING (prop)->data, False);
+ XDeleteProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), prop_atom);
+
+ /* Make sure the property is removed when we return. */
+ XFlush (FRAME_X_DISPLAY (f));
+ UNBLOCK_INPUT;
+
+ return prop;
+}
+
+
+DEFUN ("x-window-property", Fx_window_property, Sx_window_property,
+ 1, 2, 0,
+ "Value is the value of window property PROP on FRAME.\n\
+If FRAME is nil or omitted, use the selected frame. Value is nil\n\
+if FRAME hasn't a property with name PROP or if PROP has no string\n\
+value.")
+ (prop, frame)
+ Lisp_Object prop, frame;
+{
+ struct frame *f = check_x_frame (frame);
+ Atom prop_atom;
+ int rc;
+ Lisp_Object prop_value = Qnil;
+ char *tmp_data = NULL;
+ Atom actual_type;
+ int actual_format;
+ unsigned long actual_size, bytes_remaining;
+
+ CHECK_STRING (prop, 1);
+ BLOCK_INPUT;
+ prop_atom = XInternAtom (FRAME_X_DISPLAY (f), XSTRING (prop)->data, False);
+ rc = XGetWindowProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
+ prop_atom, 0, 0, False, XA_STRING,
+ &actual_type, &actual_format, &actual_size,
+ &bytes_remaining, (unsigned char **) &tmp_data);
+ if (rc == Success)
+ {
+ int size = bytes_remaining;
+
+ XFree (tmp_data);
+ tmp_data = NULL;
+
+ rc = XGetWindowProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
+ prop_atom, 0, bytes_remaining,
+ False, XA_STRING,
+ &actual_type, &actual_format,
+ &actual_size, &bytes_remaining,
+ (unsigned char **) &tmp_data);
+ if (rc == Success)
+ prop_value = make_string (tmp_data, size);
+
+ XFree (tmp_data);
+ }
+
+ UNBLOCK_INPUT;
+ return prop_value;
+}
+
+
+\f
+/***********************************************************************
+ Busy cursor
+ ***********************************************************************/
+
+/* The implementation partly follows a patch from
+ F.Pierresteguy@frcl.bull.fr dated 1994. */
+
+/* Setting inhibit_busy_cursor to 2 inhibits busy-cursor display until
+ the next X event is read and we enter XTread_socket again. Setting
+ it to 1 inhibits busy-cursor display for direct commands. */
+
+int inhibit_busy_cursor;
+
+/* Incremented with each call to x-display-busy-cursor.
+ Decremented in x-undisplay-busy-cursor. */
+
+static int busy_count;
+
+
+DEFUN ("x-show-busy-cursor", Fx_show_busy_cursor,
+ Sx_show_busy_cursor, 0, 0, 0,
+ "Show a busy cursor, if not already shown.\n\
+Each call to this function must be matched by a call to\n\
+x-undisplay-busy-cursor to make the busy pointer disappear again.")
+ ()
+{
+ ++busy_count;
+ if (busy_count == 1)
+ {
+ Lisp_Object rest, frame;
+
+ FOR_EACH_FRAME (rest, frame)
+ if (FRAME_X_P (XFRAME (frame)))
+ {
+ struct frame *f = XFRAME (frame);
+
+ BLOCK_INPUT;
+ f->output_data.x->busy_p = 1;
+
+ if (!f->output_data.x->busy_window)
+ {
+ unsigned long mask = CWCursor;
+ XSetWindowAttributes attrs;
+
+ attrs.cursor = f->output_data.x->busy_cursor;
+ f->output_data.x->busy_window
+ = XCreateWindow (FRAME_X_DISPLAY (f),
+ FRAME_OUTER_WINDOW (f),
+ 0, 0, 32000, 32000, 0, 0,
+ InputOnly, CopyFromParent,
+ mask, &attrs);
+ }
+
+ XMapRaised (FRAME_X_DISPLAY (f), f->output_data.x->busy_window);
+ UNBLOCK_INPUT;
+ }
+ }
+
+ return Qnil;
+}
+
+
+DEFUN ("x-hide-busy-cursor", Fx_hide_busy_cursor,
+ Sx_hide_busy_cursor, 0, 1, 0,
+ "Hide a busy-cursor.\n\
+A busy-cursor will actually be undisplayed when a matching\n\
+`x-undisplay-busy-cursor' is called for each `x-display-busy-cursor'\n\
+issued. FORCE non-nil means undisplay the busy-cursor forcibly,\n\
+not counting calls.")
+ (force)
+ Lisp_Object force;
+{
+ Lisp_Object rest, frame;
+
+ if (busy_count == 0)
+ return Qnil;
+
+ if (!NILP (force) && busy_count != 0)
+ busy_count = 1;
+
+ --busy_count;
+ if (busy_count != 0)
+ return Qnil;
+
+ FOR_EACH_FRAME (rest, frame)
+ {
+ struct frame *f = XFRAME (frame);
+
+ if (FRAME_X_P (f)
+ /* Watch out for newly created frames. */
+ && f->output_data.x->busy_window)
+ {
+
+ BLOCK_INPUT;
+ XUnmapWindow (FRAME_X_DISPLAY (f), f->output_data.x->busy_window);
+ /* Sync here because XTread_socket looks at the busy_p flag
+ that is reset to zero below. */
+ XSync (FRAME_X_DISPLAY (f), False);
+ UNBLOCK_INPUT;
+ f->output_data.x->busy_p = 0;
+ }
+ }
+
+ return Qnil;
+}
+
+
+\f
+/***********************************************************************
+ Tool tips
+ ***********************************************************************/
+
+static Lisp_Object x_create_tip_frame P_ ((struct x_display_info *,
+ Lisp_Object));
+
+/* The frame of a currently visible tooltip, or null. */
+
+struct frame *tip_frame;
+
+/* If non-nil, a timer started that hides the last tooltip when it
+ fires. */
+
+Lisp_Object tip_timer;
+Window tip_window;
+
+/* Create a frame for a tooltip on the display described by DPYINFO.
+ PARMS is a list of frame parameters. Value is the frame. */
+
+static Lisp_Object
+x_create_tip_frame (dpyinfo, parms)
+ struct x_display_info *dpyinfo;
+ Lisp_Object parms;
+{
+ struct frame *f;
+ Lisp_Object frame, tem;
+ Lisp_Object name;
+ int minibuffer_only = 0;
+ long window_prompting = 0;
+ int width, height;
+ int count = specpdl_ptr - specpdl;
+ struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
+ struct kboard *kb;
+
+ check_x ();
+
+ /* Use this general default value to start with until we know if
+ this frame has a specified name. */
+ Vx_resource_name = Vinvocation_name;
+
+#ifdef MULTI_KBOARD
+ kb = dpyinfo->kboard;
+#else
+ kb = &the_only_kboard;
+#endif
+
+ /* Get the name of the frame to use for resource lookup. */
+ name = x_get_arg (dpyinfo, parms, Qname, "name", "Name", RES_TYPE_STRING);
+ if (!STRINGP (name)
+ && !EQ (name, Qunbound)
+ && !NILP (name))
+ error ("Invalid frame name--not a string or nil");
+ Vx_resource_name = name;
+
+ frame = Qnil;
+ GCPRO3 (parms, name, frame);
+ tip_frame = f = make_frame (1);
+ XSETFRAME (frame, f);
+ FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
+
+ f->output_method = output_x_window;
+ f->output_data.x = (struct x_output *) xmalloc (sizeof (struct x_output));
+ bzero (f->output_data.x, sizeof (struct x_output));
+ f->output_data.x->icon_bitmap = -1;
+ f->output_data.x->fontset = -1;
+ f->icon_name = Qnil;
+ FRAME_X_DISPLAY_INFO (f) = dpyinfo;
+#ifdef MULTI_KBOARD
+ FRAME_KBOARD (f) = kb;
+#endif
+ f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window;
+ f->output_data.x->explicit_parent = 0;
+
+ /* Set the name; the functions to which we pass f expect the name to
+ be set. */
+ if (EQ (name, Qunbound) || NILP (name))
+ {
+ f->name = build_string (dpyinfo->x_id_name);
+ f->explicit_name = 0;
+ }
+ else
+ {
+ f->name = name;
+ f->explicit_name = 1;
+ /* use the frame's title when getting resources for this frame. */
+ specbind (Qx_resource_name, name);
+ }
+
+ /* Create fontsets from `global_fontset_alist' before handling fonts. */
+ for (tem = Vglobal_fontset_alist; CONSP (tem); tem = XCONS (tem)->cdr)
+ fs_register_fontset (f, XCONS (tem)->car);
+
+ /* Extract the window parameters from the supplied values
+ that are needed to determine window geometry. */
+ {
+ Lisp_Object font;
+
+ font = x_get_arg (dpyinfo, parms, Qfont, "font", "Font", RES_TYPE_STRING);
+
+ BLOCK_INPUT;
+ /* First, try whatever font the caller has specified. */
+ if (STRINGP (font))
+ {
+ tem = Fquery_fontset (font, Qnil);
+ if (STRINGP (tem))
+ font = x_new_fontset (f, XSTRING (tem)->data);
+ else
+ font = x_new_font (f, XSTRING (font)->data);
+ }
+
+ /* Try out a font which we hope has bold and italic variations. */
+ if (!STRINGP (font))
+ font = x_new_font (f, "-adobe-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-1");
+ if (!STRINGP (font))
+ font = x_new_font (f, "-misc-fixed-medium-r-normal-*-*-140-*-*-c-*-iso8859-1");
+ if (! STRINGP (font))
+ font = x_new_font (f, "-*-*-medium-r-normal-*-*-140-*-*-c-*-iso8859-1");
+ if (! STRINGP (font))
+ /* This was formerly the first thing tried, but it finds too many fonts
+ and takes too long. */
+ font = x_new_font (f, "-*-*-medium-r-*-*-*-*-*-*-c-*-iso8859-1");
+ /* If those didn't work, look for something which will at least work. */
+ if (! STRINGP (font))
+ font = x_new_font (f, "-*-fixed-*-*-*-*-*-140-*-*-c-*-iso8859-1");
+ UNBLOCK_INPUT;
+ if (! STRINGP (font))
+ font = build_string ("fixed");
+
+ x_default_parameter (f, parms, Qfont, font,
+ "font", "Font", RES_TYPE_STRING);
+ }
+
+ x_default_parameter (f, parms, Qborder_width, make_number (2),
+ "borderWidth", "BorderWidth", RES_TYPE_NUMBER);
+
+ /* This defaults to 2 in order to match xterm. We recognize either
+ internalBorderWidth or internalBorder (which is what xterm calls
+ it). */
+ if (NILP (Fassq (Qinternal_border_width, parms)))
+ {
+ Lisp_Object value;
+
+ value = x_get_arg (dpyinfo, parms, Qinternal_border_width,
+ "internalBorder", "internalBorder", RES_TYPE_NUMBER);
+ if (! EQ (value, Qunbound))
+ parms = Fcons (Fcons (Qinternal_border_width, value),
+ parms);
+ }
+
+ x_default_parameter (f, parms, Qinternal_border_width, make_number (1),
+ "internalBorderWidth", "internalBorderWidth",
+ RES_TYPE_NUMBER);
+
+ /* Also do the stuff which must be set before the window exists. */
+ x_default_parameter (f, parms, Qforeground_color, build_string ("black"),
+ "foreground", "Foreground", RES_TYPE_STRING);
+ x_default_parameter (f, parms, Qbackground_color, build_string ("white"),
+ "background", "Background", RES_TYPE_STRING);
+ x_default_parameter (f, parms, Qmouse_color, build_string ("black"),
+ "pointerColor", "Foreground", RES_TYPE_STRING);
+ x_default_parameter (f, parms, Qcursor_color, build_string ("black"),
+ "cursorColor", "Foreground", RES_TYPE_STRING);
+ x_default_parameter (f, parms, Qborder_color, build_string ("black"),
+ "borderColor", "BorderColor", RES_TYPE_STRING);
+
+ /* Init faces before x_default_parameter is called for scroll-bar
+ parameters because that function calls x_set_scroll_bar_width,
+ which calls change_frame_size, which calls Fset_window_buffer,
+ which runs hooks, which call Fvertical_motion. At the end, we
+ end up in init_iterator with a null face cache, which should not
+ happen. */
+ init_frame_faces (f);
+
+ f->output_data.x->parent_desc = FRAME_X_DISPLAY_INFO (f)->root_window;
+ window_prompting = x_figure_window_size (f, parms);
+
+ if (window_prompting & XNegative)
+ {
+ if (window_prompting & YNegative)
+ f->output_data.x->win_gravity = SouthEastGravity;
+ else
+ f->output_data.x->win_gravity = NorthEastGravity;
+ }
+ else
+ {
+ if (window_prompting & YNegative)
+ f->output_data.x->win_gravity = SouthWestGravity;
+ else
+ f->output_data.x->win_gravity = NorthWestGravity;
+ }
+
+ f->output_data.x->size_hint_flags = window_prompting;
+ {
+ XSetWindowAttributes attrs;
+ unsigned long mask;
+
+ BLOCK_INPUT;
+ mask = CWBackPixel | CWOverrideRedirect | CWSaveUnder | CWEventMask;
+ /* Window managers looks at the override-redirect flag to
+ determine whether or net to give windows a decoration (Xlib
+ 3.2.8). */
+ attrs.override_redirect = True;
+ attrs.save_under = True;
+ attrs.background_pixel = FRAME_BACKGROUND_PIXEL (f);
+ /* Arrange for getting MapNotify and UnmapNotify events. */
+ attrs.event_mask = StructureNotifyMask;
+ tip_window
+ = FRAME_X_WINDOW (f)
+ = XCreateWindow (FRAME_X_DISPLAY (f),
+ FRAME_X_DISPLAY_INFO (f)->root_window,
+ /* x, y, width, height */
+ 0, 0, 1, 1,
+ /* Border. */
+ 1,
+ CopyFromParent, InputOutput, CopyFromParent,
+ mask, &attrs);
+ UNBLOCK_INPUT;
+ }
+
+ x_make_gc (f);
+
+ x_default_parameter (f, parms, Qauto_raise, Qnil,
+ "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN);
+ x_default_parameter (f, parms, Qauto_lower, Qnil,
+ "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN);
+ x_default_parameter (f, parms, Qcursor_type, Qbox,
+ "cursorType", "CursorType", RES_TYPE_SYMBOL);
+
+ /* Dimensions, especially f->height, must be done via change_frame_size.
+ Change will not be effected unless different from the current
+ f->height. */
+ width = f->width;
+ height = f->height;
+ f->height = 0;
+ SET_FRAME_WIDTH (f, 0);
+ change_frame_size (f, height, width, 1, 0);
+
+ f->no_split = 1;
+
+ UNGCPRO;
+
+ /* It is now ok to make the frame official even if we get an error
+ below. And the frame needs to be on Vframe_list or making it
+ visible won't work. */
+ Vframe_list = Fcons (frame, Vframe_list);
+
+ /* Now that the frame is official, it counts as a reference to
+ its display. */
+ FRAME_X_DISPLAY_INFO (f)->reference_count++;
+
+ return unbind_to (count, frame);
+}
+
+
+DEFUN ("x-show-tip", Fx_show_tip, Sx_show_tip, 1, 4, 0,
+ "Show tooltip STRING on frame FRAME.\n\
+FRAME nil or omitted means use the selected frame.\n\
+PARMS is an optional list of frame parameters which can be\n\
+used to change the tooltip's appearance.\n\
+Automatically hide the tooltip after TIMEOUT seconds.\n\
+TIMEOUT nil means use the default timeout of 5 seconds.")
+ (string, frame, parms, timeout)
+ Lisp_Object string, frame, parms;
+{
+ struct frame *f;
+ struct window *w;
+ Window root, child;
+ struct it it;
+ Lisp_Object buffer;
+ struct buffer *old_buffer;
+ struct text_pos pos;
+ int i, width, height;
+ int root_x, root_y, win_x, win_y;
+ unsigned pmask;
+ struct gcpro gcpro1, gcpro2, gcpro3;
+ int old_windows_or_buffers_changed = windows_or_buffers_changed;
+ int count = specpdl_ptr - specpdl;
+
+ specbind (Qinhibit_redisplay, Qt);
+
+ GCPRO3 (string, parms, frame);
+
+ CHECK_STRING (string, 0);
+ f = check_x_frame (frame);
+ if (NILP (timeout))
+ timeout = make_number (5);
+ else
+ CHECK_NATNUM (timeout, 2);
+
+ /* Hide a previous tip, if any. */
+ Fx_hide_tip ();
+
+ /* Add default values to frame parameters. */
+ if (NILP (Fassq (Qname, parms)))
+ parms = Fcons (Fcons (Qname, build_string ("tooltip")), parms);
+ if (NILP (Fassq (Qinternal_border_width, parms)))
+ parms = Fcons (Fcons (Qinternal_border_width, make_number (3)), parms);
+ if (NILP (Fassq (Qborder_width, parms)))
+ parms = Fcons (Fcons (Qborder_width, make_number (1)), parms);
+ if (NILP (Fassq (Qborder_color, parms)))
+ parms = Fcons (Fcons (Qborder_color, build_string ("lightyellow")), parms);
+ if (NILP (Fassq (Qbackground_color, parms)))
+ parms = Fcons (Fcons (Qbackground_color, build_string ("lightyellow")),
+ parms);
+
+ /* Create a frame for the tooltip, and record it in the global
+ variable tip_frame. */
+ frame = x_create_tip_frame (FRAME_X_DISPLAY_INFO (f), parms);
+ tip_frame = f = XFRAME (frame);
+
+ /* Set up the frame's root window. Currently we use a size of 80
+ columns x 40 lines. If someone wants to show a larger tip, he
+ will loose. I don't think this is a realistic case. */
+ w = XWINDOW (FRAME_ROOT_WINDOW (f));
+ w->left = w->top = make_number (0);
+ w->width = 80;
+ w->height = 40;
+ adjust_glyphs (f);
+ w->pseudo_window_p = 1;
+
+ /* Display the tooltip text in a temporary buffer. */
+ buffer = Fget_buffer_create (build_string (" *tip*"));
+ Fset_window_buffer (FRAME_ROOT_WINDOW (f), buffer);
+ old_buffer = current_buffer;
+ set_buffer_internal_1 (XBUFFER (buffer));
+ Ferase_buffer ();
+ Finsert (make_number (1), &string);
+ clear_glyph_matrix (w->desired_matrix);
+ clear_glyph_matrix (w->current_matrix);
+ SET_TEXT_POS (pos, BEGV, BEGV_BYTE);
+ try_window (FRAME_ROOT_WINDOW (f), pos);
+
+ /* Compute width and height of the tooltip. */
+ width = height = 0;
+ for (i = 0; i < w->desired_matrix->nrows; ++i)
+ {
+ struct glyph_row *row = &w->desired_matrix->rows[i];
+ struct glyph *last;
+ int row_width;
+
+ /* Stop at the first empty row at the end. */
+ if (!row->enabled_p || !row->displays_text_p)
+ break;
+
+ /* Let the row go over the full width of the frame. */
+ row->full_width_p = 1;
+
+ /* There's a glyph at the end of rows that is use to place
+ the cursor there. Don't include the width of this glyph. */
+ if (row->used[TEXT_AREA])
+ {
+ last = &row->glyphs[TEXT_AREA][row->used[TEXT_AREA] - 1];
+ row_width = row->pixel_width - last->pixel_width;
+ }
+ else
+ row_width = row->pixel_width;
+
+ height += row->height;
+ width = max (width, row_width);
+ }
+
+ /* Add the frame's internal border to the width and height the X
+ window should have. */
+ height += 2 * FRAME_INTERNAL_BORDER_WIDTH (f);
+ width += 2 * FRAME_INTERNAL_BORDER_WIDTH (f);
+
+ /* Move the tooltip window where the mouse pointer is. Resize and
+ show it. */
+ BLOCK_INPUT;
+ XQueryPointer (FRAME_X_DISPLAY (f), FRAME_X_DISPLAY_INFO (f)->root_window,
+ &root, &child, &root_x, &root_y, &win_x, &win_y, &pmask);
+ XMoveResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
+ root_x + 5, root_y - height - 5, width, height);
+ XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f));
+ UNBLOCK_INPUT;
+
+ /* Draw into the window. */
+ w->must_be_updated_p = 1;
+ update_single_window (w, 1);
+
+ /* Restore original current buffer. */
+ set_buffer_internal_1 (old_buffer);
+ windows_or_buffers_changed = old_windows_or_buffers_changed;
+
+ /* Let the tip disappear after timeout seconds. */
+ tip_timer = call3 (intern ("run-at-time"), timeout, Qnil,
+ intern ("x-hide-tip"));
+
+ return unbind_to (count, Qnil);
+}
+
+
+DEFUN ("x-hide-tip", Fx_hide_tip, Sx_hide_tip, 0, 0, 0,
+ "Hide the current tooltip, if there is any.\n\
+Value is t is tooltip was open, nil otherwise.")
+ ()
+{
+ int count = specpdl_ptr - specpdl;
+ int deleted_p = 0;
+
+ specbind (Qinhibit_redisplay, Qt);
+
+ if (!NILP (tip_timer))
+ {
+ call1 (intern ("cancel-timer"), tip_timer);
+ tip_timer = Qnil;
+ }
+
+ if (tip_frame)
+ {
+ Lisp_Object frame;
+
+ XSETFRAME (frame, tip_frame);
+ Fdelete_frame (frame, Qt);
+ tip_frame = NULL;
+ deleted_p = 1;
+ }
+
+ return unbind_to (count, deleted_p ? Qt : Qnil);
+}
+
+
+\f
+/***********************************************************************
+ File selection dialog
+ ***********************************************************************/
+
+#ifdef USE_MOTIF
+
+/* Callback for "OK" and "Cancel" on file selection dialog. */
+
+static void
+file_dialog_cb (widget, client_data, call_data)
+ Widget widget;
+ XtPointer call_data, client_data;
+{
+ int *result = (int *) client_data;
+ XmAnyCallbackStruct *cb = (XmAnyCallbackStruct *) call_data;
+ *result = cb->reason;
+}
+
+
+DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 4, 0,
+ "Read file name, prompting with PROMPT in directory DIR.\n\
+Use a file selection dialog.\n\
+Select DEFAULT-FILENAME in the dialog's file selection box, if\n\
+specified. Don't let the user enter a file name in the file\n\
+selection dialog's entry field, if MUSTMATCH is non-nil.")
+ (prompt, dir, default_filename, mustmatch)
+ Lisp_Object prompt, dir, default_filename, mustmatch;
+{
+ int result;
+ struct frame *f = selected_frame;
+ Lisp_Object file = Qnil;
+ Widget dialog, text, list, help;
+ Arg al[10];
+ int ac = 0;
+ extern XtAppContext Xt_app_con;
+ char *title;
+ XmString dir_xmstring, pattern_xmstring;
+ int popup_activated_flag;
+ int count = specpdl_ptr - specpdl;
+ struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5;
+
+ GCPRO5 (prompt, dir, default_filename, mustmatch, file);
+ CHECK_STRING (prompt, 0);
+ CHECK_STRING (dir, 1);
+
+ /* Prevent redisplay. */
+ specbind (Qinhibit_redisplay, Qt);
+
+ BLOCK_INPUT;
+
+ /* Create the dialog with PROMPT as title, using DIR as initial
+ directory and using "*" as pattern. */
+ dir = Fexpand_file_name (dir, Qnil);
+ dir_xmstring = XmStringCreateLocalized (XSTRING (dir)->data);
+ pattern_xmstring = XmStringCreateLocalized ("*");
+
+ XtSetArg (al[ac], XmNtitle, XSTRING (prompt)->data); ++ac;
+ XtSetArg (al[ac], XmNdirectory, dir_xmstring); ++ac;
+ XtSetArg (al[ac], XmNpattern, pattern_xmstring); ++ac;
+ XtSetArg (al[ac], XmNresizePolicy, XmRESIZE_GROW); ++ac;
+ XtSetArg (al[ac], XmNdialogStyle, XmDIALOG_APPLICATION_MODAL); ++ac;
+ dialog = XmCreateFileSelectionDialog (f->output_data.x->widget,
+ "fsb", al, ac);
+ XmStringFree (dir_xmstring);
+ XmStringFree (pattern_xmstring);
+
+ /* Add callbacks for OK and Cancel. */
+ XtAddCallback (dialog, XmNokCallback, file_dialog_cb,
+ (XtPointer) &result);
+ XtAddCallback (dialog, XmNcancelCallback, file_dialog_cb,
+ (XtPointer) &result);
+
+ /* Disable the help button since we can't display help. */
+ help = XmFileSelectionBoxGetChild (dialog, XmDIALOG_HELP_BUTTON);
+ XtSetSensitive (help, False);
+
+ /* Mark OK button as default. */
+ XtVaSetValues (XmFileSelectionBoxGetChild (dialog, XmDIALOG_OK_BUTTON),
+ XmNshowAsDefault, True, NULL);
+
+ /* If MUSTMATCH is non-nil, disable the file entry field of the
+ dialog, so that the user must select a file from the files list
+ box. We can't remove it because we wouldn't have a way to get at
+ the result file name, then. */
+ text = XmFileSelectionBoxGetChild (dialog, XmDIALOG_TEXT);
+ if (!NILP (mustmatch))
+ {
+ Widget label;
+ label = XmFileSelectionBoxGetChild (dialog, XmDIALOG_SELECTION_LABEL);
+ XtSetSensitive (text, False);
+ XtSetSensitive (label, False);
+ }
+
+ /* Manage the dialog, so that list boxes get filled. */
+ XtManageChild (dialog);
+
+ /* Select DEFAULT_FILENAME in the files list box. DEFAULT_FILENAME
+ must include the path for this to work. */
+ list = XmFileSelectionBoxGetChild (dialog, XmDIALOG_LIST);
+ if (STRINGP (default_filename))
+ {
+ XmString default_xmstring;
+ int item_pos;
+
+ default_xmstring
+ = XmStringCreateLocalized (XSTRING (default_filename)->data);
+
+ if (!XmListItemExists (list, default_xmstring))
+ {
+ /* Add a new item if DEFAULT_FILENAME is not in the list. */
+ XmListAddItem (list, default_xmstring, 0);
+ item_pos = 0;
+ }
+ else
+ item_pos = XmListItemPos (list, default_xmstring);
+ XmStringFree (default_xmstring);
+
+ /* Select the item and scroll it into view. */
+ XmListSelectPos (list, item_pos, True);
+ XmListSetPos (list, item_pos);
+ }
+
+ /* Process all events until the user presses Cancel or OK. */
+ for (result = 0; result == 0;)
+ {
+ XEvent event;
+ Widget widget, parent;
+
+ XtAppNextEvent (Xt_app_con, &event);
+
+ /* See if the receiver of the event is one of the widgets of
+ the file selection dialog. If so, dispatch it. If not,
+ discard it. */
+ widget = XtWindowToWidget (event.xany.display, event.xany.window);
+ parent = widget;
+ while (parent && parent != dialog)
+ parent = XtParent (parent);
+
+ if (parent == dialog
+ || (event.type == Expose
+ && !process_expose_from_menu (event)))
+ XtDispatchEvent (&event);
+ }
+
+ /* Get the result. */
+ if (result == XmCR_OK)
+ {
+ XmString text;
+ String data;
+
+ XtVaGetValues (dialog, XmNtextString, &text, 0);
+ XmStringGetLtoR (text, XmFONTLIST_DEFAULT_TAG, &data);
+ XmStringFree (text);
+ file = build_string (data);
+ XtFree (data);
+ }
+ else
+ file = Qnil;
+
+ /* Clean up. */
+ XtUnmanageChild (dialog);
+ XtDestroyWidget (dialog);
+ UNBLOCK_INPUT;
+ UNGCPRO;
+
+ /* Make "Cancel" equivalent to C-g. */
+ if (NILP (file))
+ Fsignal (Qquit, Qnil);
+
+ return unbind_to (count, file);
+}
+
+#endif /* USE_MOTIF */
+
+\f
+/***********************************************************************
+ Tests
+ ***********************************************************************/
+
+#if GLYPH_DEBUG
+
+DEFUN ("imagep", Fimagep, Simagep, 1, 1, 0,
+ "Value is non-nil if SPEC is a valid image specification.")
+ (spec)
+ Lisp_Object spec;
+{
+ return valid_image_p (spec) ? Qt : Qnil;
+}
+
+
+DEFUN ("lookup-image", Flookup_image, Slookup_image, 1, 1, 0, "")
+ (spec)
+ Lisp_Object spec;
+{
+ int id = -1;
+
+ if (valid_image_p (spec))
+ id = lookup_image (selected_frame, spec);
+
+ debug_print (spec);
+ return make_number (id);
+}
+
+#endif /* GLYPH_DEBUG != 0 */
+
+
+\f
+/***********************************************************************
+ Initialization
+ ***********************************************************************/
+
+void
+syms_of_xfns ()
+{
+ /* This is zero if not using X windows. */
+ x_in_use = 0;
+
+ /* The section below is built by the lisp expression at the top of the file,
+ just above where these variables are declared. */
+ /*&&& init symbols here &&&*/
+ Qauto_raise = intern ("auto-raise");
+ staticpro (&Qauto_raise);
+ Qauto_lower = intern ("auto-lower");
+ staticpro (&Qauto_lower);
+ Qbar = intern ("bar");
+ staticpro (&Qbar);
+ Qborder_color = intern ("border-color");
+ staticpro (&Qborder_color);
+ Qborder_width = intern ("border-width");
+ staticpro (&Qborder_width);
+ Qbox = intern ("box");
+ staticpro (&Qbox);
+ Qcursor_color = intern ("cursor-color");
+ staticpro (&Qcursor_color);
+ Qcursor_type = intern ("cursor-type");
+ staticpro (&Qcursor_type);
+ Qgeometry = intern ("geometry");
+ staticpro (&Qgeometry);
+ Qicon_left = intern ("icon-left");
+ staticpro (&Qicon_left);
+ Qicon_top = intern ("icon-top");
+ staticpro (&Qicon_top);
+ Qicon_type = intern ("icon-type");
+ staticpro (&Qicon_type);
+ Qicon_name = intern ("icon-name");
+ staticpro (&Qicon_name);
+ Qinternal_border_width = intern ("internal-border-width");
+ staticpro (&Qinternal_border_width);
+ Qleft = intern ("left");
+ staticpro (&Qleft);
+ Qright = intern ("right");
+ staticpro (&Qright);
+ Qmouse_color = intern ("mouse-color");
+ staticpro (&Qmouse_color);
+ Qnone = intern ("none");
+ staticpro (&Qnone);
+ Qparent_id = intern ("parent-id");
+ staticpro (&Qparent_id);
+ Qscroll_bar_width = intern ("scroll-bar-width");
+ staticpro (&Qscroll_bar_width);
+ Qsuppress_icon = intern ("suppress-icon");
+ staticpro (&Qsuppress_icon);
+ Qundefined_color = intern ("undefined-color");
+ staticpro (&Qundefined_color);
+ Qvertical_scroll_bars = intern ("vertical-scroll-bars");
+ staticpro (&Qvertical_scroll_bars);
+ Qvisibility = intern ("visibility");
+ staticpro (&Qvisibility);
+ Qwindow_id = intern ("window-id");
+ staticpro (&Qwindow_id);
+ Qouter_window_id = intern ("outer-window-id");
+ staticpro (&Qouter_window_id);
+ Qx_frame_parameter = intern ("x-frame-parameter");
+ staticpro (&Qx_frame_parameter);
+ Qx_resource_name = intern ("x-resource-name");
+ staticpro (&Qx_resource_name);
+ Quser_position = intern ("user-position");
+ staticpro (&Quser_position);
+ Quser_size = intern ("user-size");
+ staticpro (&Quser_size);
+ Qdisplay = intern ("display");
+ staticpro (&Qdisplay);
+ Qscroll_bar_foreground = intern ("scroll-bar-foreground");
+ staticpro (&Qscroll_bar_foreground);
+ Qscroll_bar_background = intern ("scroll-bar-background");
+ staticpro (&Qscroll_bar_background);
+ /* This is the end of symbol initialization. */
+
+ Qlaplace = intern ("laplace");
+ staticpro (&Qlaplace);
+
+ Qface_set_after_frame_default = intern ("face-set-after-frame-default");
+ staticpro (&Qface_set_after_frame_default);
+
+ Fput (Qundefined_color, Qerror_conditions,
+ Fcons (Qundefined_color, Fcons (Qerror, Qnil)));
+ Fput (Qundefined_color, Qerror_message,
build_string ("Undefined color"));
init_x_parm_symbols ();
Vx_pointer_shape = Qnil;
DEFVAR_LISP ("x-resource-name", &Vx_resource_name,
- "The name Emacs uses to look up X resources; for internal use only.\n\
+ "The name Emacs uses to look up X resources.\n\
`x-get-resource' uses this as the first component of the instance name\n\
when requesting resource values.\n\
Emacs initially sets `x-resource-name' to the name under which Emacs\n\
was invoked, or to the value specified with the `-name' or `-rn'\n\
-switches, if present.");
+switches, if present.\n\
+\n\
+It may be useful to bind this variable locally around a call\n\
+to `x-get-resource'. See also the variable `x-resource-class'.");
Vx_resource_name = Qnil;
+ DEFVAR_LISP ("x-resource-class", &Vx_resource_class,
+ "The class Emacs uses to look up X resources.\n\
+`x-get-resource' uses this as the first component of the instance class\n\
+when requesting resource values.\n\
+Emacs initially sets `x-resource-class' to \"Emacs\".\n\
+\n\
+Setting this variable permanently is not a reasonable thing to do,\n\
+but binding this variable locally around a call to `x-get-resource'\n\
+is a reasonable practice. See also the variable `x-resource-name'.");
+ Vx_resource_class = build_string (EMACS_CLASS);
+
#if 0 /* This doesn't really do anything. */
- DEFVAR_INT ("x-nontext-pointer-shape", &Vx_nontext_pointer_shape,
+ DEFVAR_LISP ("x-nontext-pointer-shape", &Vx_nontext_pointer_shape,
"The shape of the pointer when not over text.\n\
This variable takes effect when you create a new frame\n\
or when you set the mouse color.");
#endif
Vx_nontext_pointer_shape = Qnil;
+ DEFVAR_LISP ("x-busy-pointer-shape", &Vx_busy_pointer_shape,
+ "The shape of the pointer when Emacs is busy.\n\
+This variable takes effect when you create a new frame\n\
+or when you set the mouse color.");
+ Vx_busy_pointer_shape = Qnil;
+
+ DEFVAR_BOOL ("display-busy-cursor", &display_busy_cursor_p,
+ "Non-zero means Emacs displays a busy cursor on window systems.");
+ display_busy_cursor_p = 1;
+
#if 0 /* This doesn't really do anything. */
- DEFVAR_INT ("x-mode-pointer-shape", &Vx_mode_pointer_shape,
+ DEFVAR_LISP ("x-mode-pointer-shape", &Vx_mode_pointer_shape,
"The shape of the pointer when over the mode line.\n\
This variable takes effect when you create a new frame\n\
or when you set the mouse color.");
#endif
Vx_mode_pointer_shape = Qnil;
- DEFVAR_INT ("x-sensitive-text-pointer-shape",
+ DEFVAR_LISP ("x-sensitive-text-pointer-shape",
&Vx_sensitive_text_pointer_shape,
"The shape of the pointer when over mouse-sensitive text.\n\
This variable takes effect when you create a new frame\n\
and maybe the user would like to set it to t. */
Vx_no_window_manager = Qnil;
+ DEFVAR_LISP ("x-pixel-size-width-font-regexp",
+ &Vx_pixel_size_width_font_regexp,
+ "Regexp matching a font name whose width is the same as `PIXEL_SIZE'.\n\
+\n\
+Since Emacs gets width of a font matching with this regexp from\n\
+PIXEL_SIZE field of the name, font finding mechanism gets faster for\n\
+such a font. This is especially effective for such large fonts as\n\
+Chinese, Japanese, and Korean.");
+ Vx_pixel_size_width_font_regexp = Qnil;
+
+ DEFVAR_LISP ("image-eviction-seconds", &Vimage_eviction_seconds,
+ "Time after which cached images are removed from the cache.\n\
+When an image has not been displayed this many seconds, remove it\n\
+from the image cache. Value must be an integer or nil with nil\n\
+meaning don't clear the cache.");
+ Vimage_eviction_seconds = make_number (30 * 60);
+
+ DEFVAR_LISP ("image-types", &Vimage_types,
+ "List of supported image types.\n\
+Each element of the list is a symbol for a supported image type.");
+ Vimage_types = Qnil;
+
#ifdef USE_X_TOOLKIT
Fprovide (intern ("x-toolkit"));
#endif
#endif
defsubr (&Sx_get_resource);
+
+ /* X window properties. */
+ defsubr (&Sx_change_window_property);
+ defsubr (&Sx_delete_window_property);
+ defsubr (&Sx_window_property);
+
#if 0
defsubr (&Sx_draw_rectangle);
defsubr (&Sx_erase_rectangle);
defsubr (&Sx_contour_region);
defsubr (&Sx_uncontour_region);
#endif
- defsubr (&Sx_list_fonts);
defsubr (&Sx_display_color_p);
defsubr (&Sx_display_grayscale_p);
defsubr (&Sx_color_defined_p);
#endif
defsubr (&Sx_parse_geometry);
defsubr (&Sx_create_frame);
- defsubr (&Sfocus_frame);
- defsubr (&Sunfocus_frame);
#if 0
defsubr (&Sx_horizontal_line);
#endif
defsubr (&Sx_close_connection);
defsubr (&Sx_display_list);
defsubr (&Sx_synchronize);
+
+ /* Setting callback functions for fontset handler. */
+ get_font_info_func = x_get_font_info;
+
+#if 0 /* This function pointer doesn't seem to be used anywhere.
+ And the pointer assigned has the wrong type, anyway. */
+ list_fonts_func = x_list_fonts;
+#endif
+
+ load_font_func = x_load_font;
+ find_ccl_program_func = x_find_ccl_program;
+ query_font_func = x_query_font;
+ set_frame_fontset_func = x_set_font;
+ check_window_system_func = check_x;
+
+ /* Images. */
+ Qxbm = intern ("xbm");
+ staticpro (&Qxbm);
+ QCtype = intern (":type");
+ staticpro (&QCtype);
+ QCfile = intern (":file");
+ staticpro (&QCfile);
+ QCalgorithm = intern (":algorithm");
+ staticpro (&QCalgorithm);
+ QCheuristic_mask = intern (":heuristic-mask");
+ staticpro (&QCheuristic_mask);
+ QCcolor_symbols = intern (":color-symbols");
+ staticpro (&QCcolor_symbols);
+ QCdata = intern (":data");
+ staticpro (&QCdata);
+ QCascent = intern (":ascent");
+ staticpro (&QCascent);
+ QCmargin = intern (":margin");
+ staticpro (&QCmargin);
+ QCrelief = intern (":relief");
+ staticpro (&QCrelief);
+ Qghostscript = intern ("ghostscript");
+ staticpro (&Qghostscript);
+ QCloader = intern (":loader");
+ staticpro (&QCloader);
+ QCbounding_box = intern (":bounding-box");
+ staticpro (&QCbounding_box);
+ QCpt_width = intern (":pt-width");
+ staticpro (&QCpt_width);
+ QCpt_height = intern (":pt-height");
+ staticpro (&QCpt_height);
+ Qpbm = intern ("pbm");
+ staticpro (&Qpbm);
+
+#if HAVE_XPM
+ Qxpm = intern ("xpm");
+ staticpro (&Qxpm);
+#endif
+
+#if HAVE_JPEG
+ Qjpeg = intern ("jpeg");
+ staticpro (&Qjpeg);
+#endif
+
+#if HAVE_TIFF
+ Qtiff = intern ("tiff");
+ staticpro (&Qtiff);
+#endif
+
+#if HAVE_GIF
+ Qgif = intern ("gif");
+ staticpro (&Qgif);
+#endif
+
+#if HAVE_PNG
+ Qpng = intern ("png");
+ staticpro (&Qpng);
+#endif
+
+ defsubr (&Sclear_image_cache);
+
+#if GLYPH_DEBUG
+ defsubr (&Simagep);
+ defsubr (&Slookup_image);
+#endif
+
+ /* Busy-cursor. */
+ defsubr (&Sx_show_busy_cursor);
+ defsubr (&Sx_hide_busy_cursor);
+ busy_count = 0;
+ inhibit_busy_cursor = 0;
+
+ defsubr (&Sx_show_tip);
+ defsubr (&Sx_hide_tip);
+ staticpro (&tip_timer);
+ tip_timer = Qnil;
+
+#ifdef USE_MOTIF
+ defsubr (&Sx_file_dialog);
+#endif
+}
+
+
+void
+init_xfns ()
+{
+ image_types = NULL;
+ Vimage_types = Qnil;
+
+ define_image_type (&xbm_type);
+ define_image_type (&gs_type);
+ define_image_type (&pbm_type);
+
+#if HAVE_XPM
+ define_image_type (&xpm_type);
+#endif
+
+#if HAVE_JPEG
+ define_image_type (&jpeg_type);
+#endif
+
+#if HAVE_TIFF
+ define_image_type (&tiff_type);
+#endif
+
+#if HAVE_GIF
+ define_image_type (&gif_type);
+#endif
+
+#if HAVE_PNG
+ define_image_type (&png_type);
+#endif
}
#endif /* HAVE_X_WINDOWS */