/* 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. */
-/* Completely rewritten by Richard Stallman. */
-
-/* Rewritten for X11 by Joseph Arceneaux */
-
-#include <signal.h>
#include <config.h>
+#include <signal.h>
+#include <stdio.h>
+#include <math.h>
/* This makes the fields of a Display accessible, in Xlib header files. */
+
#define XLIB_ILLEGAL_ACCESS
#include "lisp.h"
#include "frame.h"
#include "window.h"
#include "buffer.h"
+#include "intervals.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"
+#include "atimer.h"
#ifdef HAVE_X_WINDOWS
-extern void abort ();
+
+#include <ctype.h>
+#include <sys/types.h>
+#include <sys/stat.h>
/* 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
#endif
extern void free_frame_menubar ();
+extern double atof ();
+
#endif /* USE_X_TOOLKIT */
#define min(a,b) ((a) < (b) ? (a) : (b))
#define MAXREQUEST(dpy) ((dpy)->max_request_size)
#endif
+/* 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
/*&&& 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 Qforeground_color;
Lisp_Object Qgeometry;
Lisp_Object Qicon_left;
Lisp_Object Qicon_top;
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 Qx_resource_name;
Lisp_Object Quser_position;
Lisp_Object Quser_size;
-Lisp_Object Qdisplay;
+extern Lisp_Object Qdisplay;
+Lisp_Object Qscroll_bar_foreground, Qscroll_bar_background;
+Lisp_Object Qscreen_gamma;
/* 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 Qtool_bar_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 ()
{
FRAME_PTR f;
if (NILP (frame))
- f = selected_frame;
- else
- {
- CHECK_LIVE_FRAME (frame, 0);
- f = XFRAME (frame);
- }
+ frame = selected_frame;
+ CHECK_LIVE_FRAME (frame, 0);
+ f = XFRAME (frame);
if (! FRAME_X_P (f))
error ("Non-X frame used");
return f;
{
if (NILP (frame))
{
- if (FRAME_X_P (selected_frame))
- return FRAME_X_DISPLAY_INFO (selected_frame);
+ struct frame *sf = XFRAME (selected_frame);
+
+ if (FRAME_X_P (sf) && FRAME_LIVE_P (sf))
+ return FRAME_X_DISPLAY_INFO (sf);
else if (x_display_list != 0)
return x_display_list;
else
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. */
Lisp_Object tail, frame;
struct frame *f;
- for (tail = Vframe_list; GC_CONSP (tail); tail = XCONS (tail)->cdr)
+ for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail))
{
- frame = XCONS (tail)->car;
+ frame = XCAR (tail);
if (!GC_FRAMEP (frame))
continue;
f = XFRAME (frame);
- if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
+ if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
continue;
+ if (f->output_data.x->busy_window == wdesc)
+ return f;
#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 */
int wdesc;
{
Lisp_Object tail, frame;
- struct frame *f;
+ struct frame *f, *found;
struct x_output *x;
- for (tail = Vframe_list; GC_CONSP (tail); tail = XCONS (tail)->cdr)
+ found = NULL;
+ for (tail = Vframe_list; GC_CONSP (tail) && !found; tail = XCDR (tail))
{
- frame = XCONS (tail)->car;
+ frame = XCAR (tail);
if (!GC_FRAMEP (frame))
continue;
+
f = XFRAME (frame);
- 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 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))
- return f;
+ if (FRAME_X_P (f) && FRAME_X_DISPLAY_INFO (f) == dpyinfo)
+ {
+ /* This frame matches if the window is any of its widgets. */
+ x = f->output_data.x;
+ if (x->busy_window == wdesc)
+ found = f;
+ else if (x->widget)
+ {
+ if (wdesc == XtWindow (x->widget)
+ || wdesc == XtWindow (x->column_widget)
+ || wdesc == XtWindow (x->edit_widget))
+ found = f;
+ /* Match if the window is this frame's menubar. */
+ else if (lw_window_is_in_menubar (wdesc, x->menubar_widget))
+ found = f;
+ }
+ else if (FRAME_X_WINDOW (f) == wdesc)
+ /* A tooltip frame. */
+ found = f;
+ }
}
- return 0;
+
+ return found;
}
/* Likewise, but exclude the menu bar widget. */
struct frame *f;
struct x_output *x;
- for (tail = Vframe_list; GC_CONSP (tail); tail = XCONS (tail)->cdr)
+ for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail))
{
- frame = XCONS (tail)->car;
+ frame = XCAR (tail);
if (!GC_FRAMEP (frame))
continue;
f = XFRAME (frame);
- if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
+ if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
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->busy_window == wdesc)
+ return f;
+ else 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;
struct frame *f;
struct x_output *x;
- for (tail = Vframe_list; GC_CONSP (tail); tail = XCONS (tail)->cdr)
+ for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail))
{
- frame = XCONS (tail)->car;
+ frame = XCAR (tail);
if (!GC_FRAMEP (frame))
continue;
f = XFRAME (frame);
- if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
+ if (!FRAME_X_P (f) || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
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;
struct frame *f;
struct x_output *x;
- for (tail = Vframe_list; GC_CONSP (tail); tail = XCONS (tail)->cdr)
+ for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail))
{
- frame = XCONS (tail)->car;
+ frame = XCAR (tail);
if (!GC_FRAMEP (frame))
continue;
f = XFRAME (frame);
- if (f->output_data.nothing == 1 || FRAME_X_DISPLAY_INFO (f) != dpyinfo)
+ if (!FRAME_X_P (f) || 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;
- close (fd);
+ /* XReadBitmapFile won't handle magic file names. */
+ if (fd == 0)
+ return -1;
+ emacs_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;
}
struct x_frame_parm_table
{
char *name;
- void (*setter)( /* struct frame *frame, Lisp_Object val, oldval */ );
+ void (*setter) P_ ((struct frame *, Lisp_Object, Lisp_Object));
};
-void x_set_foreground_color ();
-void x_set_background_color ();
-void x_set_mouse_color ();
-void x_set_cursor_color ();
-void x_set_border_color ();
-void x_set_cursor_type ();
-void x_set_icon_type ();
-void x_set_icon_name ();
-void x_set_font ();
-void x_set_border_width ();
-void x_set_internal_border_width ();
-void x_explicitly_set_name ();
-void x_set_autoraise ();
-void x_set_autolower ();
-void x_set_vertical_scroll_bars ();
-void x_set_visibility ();
-void x_set_menu_bar_lines ();
-void x_set_scroll_bar_width ();
-void x_set_title ();
-void x_set_unsplittable ();
+static void x_create_im P_ ((struct frame *));
+void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_background_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_mouse_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_cursor_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_border_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_cursor_type P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_icon_type P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_icon_name P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_font P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_border_width P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_internal_border_width P_ ((struct frame *, Lisp_Object,
+ Lisp_Object));
+void x_explicitly_set_name P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_autoraise P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_autolower P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_vertical_scroll_bars P_ ((struct frame *, Lisp_Object,
+ Lisp_Object));
+void x_set_visibility P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_scroll_bar_width P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_title P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_unsplittable P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_tool_bar_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 void x_set_screen_gamma P_ ((struct frame *, Lisp_Object, Lisp_Object));
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,
+ "tool-bar-lines", x_set_tool_bar_lines,
+ "scroll-bar-foreground", x_set_scroll_bar_foreground,
+ "scroll-bar-background", x_set_scroll_bar_background,
+ "screen-gamma", x_set_screen_gamma
};
/* 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. */
/* 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;
+
+ 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;
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--)
{
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;
if (leftpos < 0)
f->output_data.x->size_hint_flags |= XNegative;
}
- else if (CONSP (left) && EQ (XCONS (left)->car, Qminus)
- && CONSP (XCONS (left)->cdr)
- && INTEGERP (XCONS (XCONS (left)->cdr)->car))
+ else if (CONSP (left) && EQ (XCAR (left), Qminus)
+ && CONSP (XCDR (left))
+ && INTEGERP (XCAR (XCDR (left))))
{
- leftpos = - XINT (XCONS (XCONS (left)->cdr)->car);
+ leftpos = - XINT (XCAR (XCDR (left)));
f->output_data.x->size_hint_flags |= XNegative;
}
- else if (CONSP (left) && EQ (XCONS (left)->car, Qplus)
- && CONSP (XCONS (left)->cdr)
- && INTEGERP (XCONS (XCONS (left)->cdr)->car))
+ else if (CONSP (left) && EQ (XCAR (left), Qplus)
+ && CONSP (XCDR (left))
+ && INTEGERP (XCAR (XCDR (left))))
{
- leftpos = XINT (XCONS (XCONS (left)->cdr)->car);
+ leftpos = XINT (XCAR (XCDR (left)));
}
if (EQ (top, Qminus))
if (toppos < 0)
f->output_data.x->size_hint_flags |= YNegative;
}
- else if (CONSP (top) && EQ (XCONS (top)->car, Qminus)
- && CONSP (XCONS (top)->cdr)
- && INTEGERP (XCONS (XCONS (top)->cdr)->car))
+ else if (CONSP (top) && EQ (XCAR (top), Qminus)
+ && CONSP (XCDR (top))
+ && INTEGERP (XCAR (XCDR (top))))
{
- toppos = - XINT (XCONS (XCONS (top)->cdr)->car);
+ toppos = - XINT (XCAR (XCDR (top)));
f->output_data.x->size_hint_flags |= YNegative;
}
- else if (CONSP (top) && EQ (XCONS (top)->car, Qplus)
- && CONSP (XCONS (top)->cdr)
- && INTEGERP (XCONS (XCONS (top)->cdr)->car))
+ else if (CONSP (top) && EQ (XCAR (top), Qplus)
+ && CONSP (XCDR (top))
+ && INTEGERP (XCAR (XCDR (top))))
{
- toppos = XINT (XCONS (XCONS (top)->cdr)->car);
+ toppos = XINT (XCAR (XCDR (top)));
}
&& ! (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_VISIBLE_P (f) ? Qt
: FRAME_ICONIFIED_P (f) ? Qicon : Qnil));
store_in_alist (alistptr, Qdisplay,
- XCONS (FRAME_X_DISPLAY_INFO (f)->name_list_element)->car);
+ XCAR (FRAME_X_DISPLAY_INFO (f)->name_list_element));
- store_in_alist (alistptr, Qparent_id,
- (f->output_data.x->parent_desc == FRAME_X_DISPLAY_INFO (f)->root_window
- ? Qnil : f->output_data.x->parent_desc));
+ 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
+
+/* Gamma-correct COLOR on frame F. */
+
+void
+gamma_correct (f, color)
+ struct frame *f;
+ XColor *color;
+{
+ if (f->gamma)
+ {
+ color->red = pow (color->red / 65535.0, f->gamma) * 65535.0 + 0.5;
+ color->green = pow (color->green / 65535.0, f->gamma) * 65535.0 + 0.5;
+ color->blue = pow (color->blue / 65535.0, f->gamma) * 65535.0 + 0.5;
+ }
+}
+
+
/* Decide if color named COLOR is valid for the display associated with
the selected frame; if so, return the rgb values in COLOR_DEF.
If ALLOC is nonzero, allocate a new colormap cell. */
int
-defined_color (f, color, color_def, alloc)
+x_defined_color (f, color, color_def, alloc)
FRAME_PTR f;
char *color;
XColor *color_def;
Display *display = FRAME_X_DISPLAY (f);
BLOCK_INPUT;
- screen_colormap = DefaultColormap (display, XDefaultScreen (display));
+ screen_colormap = FRAME_X_COLORMAP (f);
status = XParseColor (display, screen_colormap, color, color_def);
if (status && alloc)
{
+ /* Apply gamma correction. */
+ gamma_correct (f, color_def);
+
status = XAllocColor (display, screen_colormap, color_def);
if (!status)
{
return 0;
}
-/* Given a string ARG naming a color, compute a pixel value from it
- suitable for screen F.
- If F is not a color screen, return DEF (default) regardless of what
- ARG says. */
+
+/* Return the pixel color value for color COLOR_NAME on frame F. If F
+ is a monochrome frame, return MONO_COLOR regardless of what ARG says.
+ Signal an error if color can't be allocated. */
int
-x_decode_color (f, arg, def)
+x_decode_color (f, color_name, mono_color)
FRAME_PTR f;
- Lisp_Object arg;
- int def;
+ Lisp_Object color_name;
+ int mono_color;
{
XColor cdef;
- CHECK_STRING (arg, 0);
+ CHECK_STRING (color_name, 0);
- if (strcmp (XSTRING (arg)->data, "black") == 0)
+#if 0 /* Don't do this. It's wrong when we're not using the default
+ colormap, it makes freeing difficult, and it's probably not
+ an important optimization. */
+ if (strcmp (XSTRING (color_name)->data, "black") == 0)
return BLACK_PIX_DEFAULT (f);
- else if (strcmp (XSTRING (arg)->data, "white") == 0)
+ else if (strcmp (XSTRING (color_name)->data, "white") == 0)
return WHITE_PIX_DEFAULT (f);
+#endif
+ /* Return MONO_COLOR for monochrome frames. */
if (FRAME_X_DISPLAY_INFO (f)->n_planes == 1)
- return def;
+ return mono_color;
- /* defined_color is responsible for coping with failures
+ /* x_defined_color is responsible for coping with failures
by looking for a near-miss. */
- if (defined_color (f, XSTRING (arg)->data, &cdef, 1))
+ if (x_defined_color (f, XSTRING (color_name)->data, &cdef, 1))
return cdef.pixel;
Fsignal (Qerror, Fcons (build_string ("undefined color"),
- Fcons (arg, Qnil)));
+ Fcons (color_name, Qnil)));
}
+
+
\f
+/* Change the `screen-gamma' frame parameter of frame F. OLD_VALUE is
+ the previous value of that parameter, NEW_VALUE is the new value. */
+
+static void
+x_set_screen_gamma (f, new_value, old_value)
+ struct frame *f;
+ Lisp_Object new_value, old_value;
+{
+ if (NILP (new_value))
+ f->gamma = 0;
+ else if (NUMBERP (new_value) && XFLOATINT (new_value) > 0)
+ /* The value 0.4545 is the normal viewing gamma. */
+ f->gamma = 1.0 / (0.4545 * XFLOATINT (new_value));
+ else
+ Fsignal (Qerror, Fcons (build_string ("Illegal screen-gamma"),
+ Fcons (new_value, Qnil)));
+
+ clear_face_cache (0);
+}
+
+
/* Functions called only from `x_set_frame_param'
to set individual parameters.
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;
XSetBackground (FRAME_X_DISPLAY (f), f->output_data.x->reverse_gc,
f->output_data.x->foreground_pixel);
UNBLOCK_INPUT;
- recompute_basic_faces (f);
+ update_face_from_frame_parameter (f, Qforeground_color, arg);
if (FRAME_VISIBLE_P (f))
redraw_frame (f);
}
struct frame *f;
Lisp_Object arg, oldval;
{
- 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;
}
UNBLOCK_INPUT;
- recompute_basic_faces (f);
+ update_face_from_frame_parameter (f, Qbackground_color, arg);
if (FRAME_VISIBLE_P (f))
redraw_frame (f);
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;
- 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;
+ /* 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;
+
+ 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.pixel = f->output_data.x->mouse_pixel;
back_color.pixel = mask_color;
- XQueryColor (FRAME_X_DISPLAY (f),
- DefaultColormap (FRAME_X_DISPLAY (f),
- DefaultScreen (FRAME_X_DISPLAY (f))),
+ XQueryColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f),
&fore_color);
- XQueryColor (FRAME_X_DISPLAY (f),
- DefaultColormap (FRAME_X_DISPLAY (f),
- DefaultScreen (FRAME_X_DISPLAY (f))),
+ XQueryColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f),
&back_color);
XRecolorCursor (FRAME_X_DISPLAY (f), cursor,
&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);
XFlush (FRAME_X_DISPLAY (f));
UNBLOCK_INPUT;
+
+ update_face_from_frame_parameter (f, Qmouse_color, arg);
}
void
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;
x_update_cursor (f, 1);
}
}
+
+ update_face_from_frame_parameter (f, Qcursor_color, arg);
}
\f
/* Set the border-color of frame F to value described by ARG.
struct frame *f;
Lisp_Object arg, oldval;
{
- unsigned char *str;
int pix;
CHECK_STRING (arg, 0);
- str = XSTRING (arg)->data;
-
pix = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
-
x_set_border_pixel (f, pix);
+ update_face_from_frame_parameter (f, Qborder_color, arg);
}
/* Set the border-color of frame F to pixel value PIX.
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)
{
- Pixmap temp;
- int mask;
-
BLOCK_INPUT;
XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
(unsigned long)pix);
{
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))
+ else if (CONSP (arg) && EQ (XCAR (arg), Qbar)
+ && INTEGERP (XCDR (arg)))
{
- FRAME_DESIRED_CURSOR (f) = bar_cursor;
- f->output_data.x->cursor_width = XINT (XCONS (arg)->cdr);
+ FRAME_DESIRED_CURSOR (f) = BAR_CURSOR;
+ f->output_data.x->cursor_width = XINT (XCDR (arg));
}
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))
tem = assq_no_quit (Qicon_type, f->param_alist);
if (CONSP (tem))
- return XCONS (tem)->cdr;
+ return XCDR (tem);
else
return Qnil;
}
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 result;
Lisp_Object fontset_name;
+ Lisp_Object frame;
CHECK_STRING (arg, 1);
- fontset_name = Fquery_fontset (arg);
+ fontset_name = Fquery_fontset (arg, Qnil);
BLOCK_INPUT;
result = (STRINGP (fontset_name)
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 (0);
+
+ /* 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);
#ifdef USE_X_TOOLKIT
if (f->output_data.x->edit_widget)
- widget_store_internal_border (f->output_data.x->edit_widget,
- f->output_data.x->internal_border_width);
+ widget_store_internal_border (f->output_data.x->edit_widget);
#endif
if (f->output_data.x->internal_border_width == old)
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 (0);
}
}
XSETFASTINT (w->top, XFASTINT (w->top) + n);
XSETFASTINT (w->height, XFASTINT (w->height) - n);
+ if (INTEGERP (w->orig_top))
+ XSETFASTINT (w->orig_top, XFASTINT (w->orig_top) + n);
+ if (INTEGERP (w->orig_height))
+ XSETFASTINT (w->orig_height, XFASTINT (w->orig_height) - n);
+
/* Handle just the top child in a vertical split. */
if (!NILP (w->vchild))
x_set_menu_bar_lines_1 (w->vchild, n);
Lisp_Object value, oldval;
{
int nlines;
+#ifndef USE_X_TOOLKIT
int olines = FRAME_MENU_BAR_LINES (f);
+#endif
/* 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_tool_bar_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_TOOL_BAR_LINES (f);
+ FRAME_TOOL_BAR_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);
+
+ update_face_from_frame_parameter (f, Qscroll_bar_foreground, value);
+ 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);
+
+ update_face_from_frame_parameter (f, Qscroll_bar_background, value);
+ 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);
F->explicit_name is set, ignore the new name; otherwise, set it. */
void
-x_set_title (f, name)
+x_set_title (f, name, old_name)
struct frame *f;
- Lisp_Object name;
+ Lisp_Object name, old_name;
{
/* Don't change the title if it's already NAME. */
if (EQ (name, f->title))
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);
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 (0);
}
}
struct frame *f;
Lisp_Object arg, oldval;
{
+ int wid = FONT_WIDTH (f->output_data.x->font);
+
if (NILP (arg))
{
+#ifdef USE_TOOLKIT_SCROLL_BARS
+ /* A minimum width of 14 doesn't look good for toolkit scroll bars. */
+ 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) = 3;
+#endif
+
if (FRAME_X_WINDOW (f))
x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f));
+ do_pending_window_change (0);
}
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)
- Fsignal (Qargs_out_of_range, Fcons (arg, Qnil));
+ 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;
x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f));
}
- change_frame_size (f, 0, FRAME_WIDTH (f), 0, 0);
- FRAME_CURSOR_X (f) = FRAME_LEFT_SCROLL_BAR_WIDTH (f);
+ change_frame_size (f, 0, FRAME_WIDTH (f), 0, 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. */
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 (XSTRING (Vx_resource_class)->size
- + 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)
return Qnil;
}
-/* Used when C code wants a resource value. */
+/* Get an X resource, like Fx_get_resource, but for display DPYINFO. */
-char *
-x_get_resource_string (attribute, class)
- char *attribute, *class;
+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;
- /* Allocate space for the components, the dots which separate them,
- and the final '\0'. */
- name_key = (char *) alloca (XSTRING (Vinvocation_name)->size
- + strlen (attribute) + 2);
- class_key = (char *) alloca ((sizeof (EMACS_CLASS) - 1)
- + strlen (class) + 2);
+ CHECK_STRING (attribute, 0);
+ CHECK_STRING (class, 0);
- sprintf (name_key, "%s.%s",
- XSTRING (Vinvocation_name)->data,
- attribute);
- sprintf (class_key, "%s.%s", EMACS_CLASS, class);
+ 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");
- return x_get_string_resource (FRAME_X_DISPLAY_INFO (selected_frame)->xrdb,
- name_key, class_key);
-}
+ validate_x_resource_name ();
-/* Types we might convert a resource string into. */
-enum resource_types
- {
- number, boolean, string, symbol
- };
+ /* 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);
-/* Return the value of parameter PARAM.
+ 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;
+{
+ char *name_key;
+ char *class_key;
+ struct frame *sf = SELECTED_FRAME ();
+
+ /* Allocate space for the components, the dots which separate them,
+ and the final '\0'. */
+ name_key = (char *) alloca (STRING_BYTES (XSTRING (Vinvocation_name))
+ + strlen (attribute) + 2);
+ class_key = (char *) alloca ((sizeof (EMACS_CLASS) - 1)
+ + strlen (class) + 2);
+
+ sprintf (name_key, "%s.%s",
+ XSTRING (Vinvocation_name)->data,
+ attribute);
+ sprintf (class_key, "%s.%s", EMACS_CLASS, class);
+
+ return x_get_string_resource (FRAME_X_DISPLAY_INFO (sf)->xrdb,
+ name_key, class_key);
+}
+
+/* Types we might convert a resource string into. */
+enum resource_types
+{
+ RES_TYPE_NUMBER,
+ RES_TYPE_FLOAT,
+ RES_TYPE_BOOLEAN,
+ RES_TYPE_STRING,
+ RES_TYPE_SYMBOL
+};
+
+/* Return the value of parameter PARAM.
First search ALIST, then Vdefault_frame_alist, then the X defaults
database, using ATTRIBUTE as the attribute name and CLASS as its class.
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_FLOAT:
+ return make_float (atof (XSTRING (tem)->data));
+
+ 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. */
{
{
Lisp_Object value;
- value = x_get_arg (alist, param, attribute, class, type);
+ value = x_get_arg (FRAME_X_DISPLAY_INFO (f), alist, param,
+ attribute, class, type);
if (! NILP (value))
store_frame_param (f, param, 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\
Lisp_Object parms;
{
register Lisp_Object tem0, tem1, tem2;
- 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
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))
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
+ = 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))
f->output_data.x->top_pos = 0;
window_prompting |= YNegative;
}
- else if (CONSP (tem0) && EQ (XCONS (tem0)->car, Qminus)
- && CONSP (XCONS (tem0)->cdr)
- && INTEGERP (XCONS (XCONS (tem0)->cdr)->car))
+ else if (CONSP (tem0) && EQ (XCAR (tem0), Qminus)
+ && CONSP (XCDR (tem0))
+ && INTEGERP (XCAR (XCDR (tem0))))
{
- f->output_data.x->top_pos = - XINT (XCONS (XCONS (tem0)->cdr)->car);
+ f->output_data.x->top_pos = - XINT (XCAR (XCDR (tem0)));
window_prompting |= YNegative;
}
- else if (CONSP (tem0) && EQ (XCONS (tem0)->car, Qplus)
- && CONSP (XCONS (tem0)->cdr)
- && INTEGERP (XCONS (XCONS (tem0)->cdr)->car))
+ else if (CONSP (tem0) && EQ (XCAR (tem0), Qplus)
+ && CONSP (XCDR (tem0))
+ && INTEGERP (XCAR (XCDR (tem0))))
{
- f->output_data.x->top_pos = XINT (XCONS (XCONS (tem0)->cdr)->car);
+ f->output_data.x->top_pos = XINT (XCAR (XCDR (tem0)));
}
else if (EQ (tem0, Qunbound))
f->output_data.x->top_pos = 0;
f->output_data.x->left_pos = 0;
window_prompting |= XNegative;
}
- else if (CONSP (tem1) && EQ (XCONS (tem1)->car, Qminus)
- && CONSP (XCONS (tem1)->cdr)
- && INTEGERP (XCONS (XCONS (tem1)->cdr)->car))
+ else if (CONSP (tem1) && EQ (XCAR (tem1), Qminus)
+ && CONSP (XCDR (tem1))
+ && INTEGERP (XCAR (XCDR (tem1))))
{
- f->output_data.x->left_pos = - XINT (XCONS (XCONS (tem1)->cdr)->car);
+ f->output_data.x->left_pos = - XINT (XCAR (XCDR (tem1)));
window_prompting |= XNegative;
}
- else if (CONSP (tem1) && EQ (XCONS (tem1)->car, Qplus)
- && CONSP (XCONS (tem1)->cdr)
- && INTEGERP (XCONS (XCONS (tem1)->cdr)->car))
+ else if (CONSP (tem1) && EQ (XCAR (tem1), Qplus)
+ && CONSP (XCDR (tem1))
+ && INTEGERP (XCAR (XCDR (tem1))))
{
- f->output_data.x->left_pos = XINT (XCONS (XCONS (tem1)->cdr)->car);
+ f->output_data.x->left_pos = XINT (XCAR (XCDR (tem1)));
}
else if (EQ (tem1, Qunbound))
f->output_data.x->left_pos = 0;
UNBLOCK_INPUT;
}
#endif
+
+
+\f
+/* Support routines for XIC (X Input Context). */
+
+#ifdef HAVE_X_I18N
+
+static XFontSet xic_create_xfontset P_ ((struct frame *, char *));
+static XIMStyle best_xim_style P_ ((XIMStyles *, XIMStyles *));
+
+
+/* Supported XIM styles, ordered by preferenc. */
+
+static XIMStyle supported_xim_styles[] =
+{
+ XIMPreeditPosition | XIMStatusArea,
+ XIMPreeditPosition | XIMStatusNothing,
+ XIMPreeditPosition | XIMStatusNone,
+ XIMPreeditNothing | XIMStatusArea,
+ XIMPreeditNothing | XIMStatusNothing,
+ XIMPreeditNothing | XIMStatusNone,
+ XIMPreeditNone | XIMStatusArea,
+ XIMPreeditNone | XIMStatusNothing,
+ XIMPreeditNone | XIMStatusNone,
+ 0,
+};
+
+
+/* Create an X fontset on frame F with base font name
+ BASE_FONTNAME.. */
+
+static XFontSet
+xic_create_xfontset (f, base_fontname)
+ struct frame *f;
+ char *base_fontname;
+{
+ XFontSet xfs;
+ char **missing_list;
+ int missing_count;
+ char *def_string;
+
+ xfs = XCreateFontSet (FRAME_X_DISPLAY (f),
+ base_fontname, &missing_list,
+ &missing_count, &def_string);
+ if (missing_list)
+ XFreeStringList (missing_list);
+
+ /* No need to free def_string. */
+ return xfs;
+}
+
+
+/* Value is the best input style, given user preferences USER (already
+ checked to be supported by Emacs), and styles supported by the
+ input method XIM. */
+
+static XIMStyle
+best_xim_style (user, xim)
+ XIMStyles *user;
+ XIMStyles *xim;
+{
+ int i, j;
+
+ for (i = 0; i < user->count_styles; ++i)
+ for (j = 0; j < xim->count_styles; ++j)
+ if (user->supported_styles[i] == xim->supported_styles[j])
+ return user->supported_styles[i];
+
+ /* Return the default style. */
+ return XIMPreeditNothing | XIMStatusNothing;
+}
+
+/* Create XIC for frame F. */
+
+void
+create_frame_xic (f)
+ struct frame *f;
+{
+#ifndef X_I18N_INHIBITED
+ XIM xim;
+ XIC xic = NULL;
+ XFontSet xfs = NULL;
+ static XIMStyle xic_style;
+
+ if (FRAME_XIC (f))
+ return;
+
+ xim = FRAME_X_XIM (f);
+ if (xim)
+ {
+ XRectangle s_area;
+ XPoint spot;
+ XVaNestedList preedit_attr;
+ XVaNestedList status_attr;
+ char *base_fontname;
+ int fontset;
+
+ s_area.x = 0; s_area.y = 0; s_area.width = 1; s_area.height = 1;
+ spot.x = 0; spot.y = 1;
+ /* Create X fontset. */
+ fontset = FRAME_FONTSET (f);
+ if (fontset < 0)
+ base_fontname = "-*-*-*-r-normal--14-*-*-*-*-*-*-*";
+ else
+ {
+ struct fontset_info *fontsetp;
+ int len = 0;
+ int i;
+
+ fontsetp = FRAME_FONTSET_DATA (f)->fontset_table[fontset];
+ for (i = 0; i <= MAX_CHARSET; i++)
+ if (fontsetp->fontname[i])
+ len += strlen (fontsetp->fontname[i]) + 1;
+ base_fontname = alloca (len);
+ strcpy (base_fontname, fontsetp->fontname[CHARSET_ASCII]);
+ for (i = MIN_CHARSET_OFFICIAL_DIMENSION1; i <= MAX_CHARSET; i++)
+ if (fontsetp->fontname[i])
+ {
+ strcat (base_fontname, ",");
+ strcat (base_fontname, fontsetp->fontname[i]);
+ }
+ }
+ xfs = xic_create_xfontset (f, base_fontname);
+
+ /* Determine XIC style. */
+ if (xic_style == 0)
+ {
+ XIMStyles supported_list;
+ supported_list.count_styles = (sizeof supported_xim_styles
+ / sizeof supported_xim_styles[0]);
+ supported_list.supported_styles = supported_xim_styles;
+ xic_style = best_xim_style (&supported_list,
+ FRAME_X_XIM_STYLES (f));
+ }
+
+ preedit_attr = XVaCreateNestedList (0,
+ XNFontSet, xfs,
+ XNForeground,
+ FRAME_FOREGROUND_PIXEL (f),
+ XNBackground,
+ FRAME_BACKGROUND_PIXEL (f),
+ (xic_style & XIMPreeditPosition
+ ? XNSpotLocation
+ : NULL),
+ &spot,
+ NULL);
+ status_attr = XVaCreateNestedList (0,
+ XNArea,
+ &s_area,
+ XNFontSet,
+ xfs,
+ XNForeground,
+ FRAME_FOREGROUND_PIXEL (f),
+ XNBackground,
+ FRAME_BACKGROUND_PIXEL (f),
+ NULL);
+
+ xic = XCreateIC (xim,
+ XNInputStyle, xic_style,
+ XNClientWindow, FRAME_X_WINDOW(f),
+ XNFocusWindow, FRAME_X_WINDOW(f),
+ XNStatusAttributes, status_attr,
+ XNPreeditAttributes, preedit_attr,
+ NULL);
+ XFree (preedit_attr);
+ XFree (status_attr);
+ }
+
+ FRAME_XIC (f) = xic;
+ FRAME_XIC_STYLE (f) = xic_style;
+ FRAME_XIC_FONTSET (f) = xfs;
+#else /* X_I18N_INHIBITED */
+ FRAME_XIC (f) = NULL;
+ FRAME_XIC_STYLE (f) = 0;
+ FRAME_XIC_FONTSET (f) = NULL;
+#endif /* X_I18N_INHIBITED */
+}
+
+
+/* Destroy XIC and free XIC fontset of frame F, if any. */
+
+void
+free_frame_xic (f)
+ struct frame *f;
+{
+ if (FRAME_XIC (f) == NULL)
+ return;
+
+ XDestroyIC (FRAME_XIC (f));
+ if (FRAME_XIC_FONTSET (f))
+ XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f));
+
+ FRAME_XIC (f) = NULL;
+ FRAME_XIC_FONTSET (f) = NULL;
+}
+
+
+/* Place preedit area for XIC of window W's frame to specified
+ pixel position X/Y. X and Y are relative to window W. */
+
+void
+xic_set_preeditarea (w, x, y)
+ struct window *w;
+ int x, y;
+{
+ struct frame *f = XFRAME (w->frame);
+ XVaNestedList attr;
+ XPoint spot;
+
+ spot.x = WINDOW_TO_FRAME_PIXEL_X (w, x);
+ spot.y = WINDOW_TO_FRAME_PIXEL_Y (w, y) + FONT_BASE (FRAME_FONT (f));
+ attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
+ XSetICValues (FRAME_XIC (f), XNPreeditAttributes, attr, NULL);
+ XFree (attr);
+}
+
+
+/* Place status area for XIC in bottom right corner of frame F.. */
+
+void
+xic_set_statusarea (f)
+ struct frame *f;
+{
+ XIC xic = FRAME_XIC (f);
+ XVaNestedList attr;
+ XRectangle area;
+ XRectangle *needed;
+
+ /* Negotiate geometry of status area. If input method has existing
+ status area, use its current size. */
+ area.x = area.y = area.width = area.height = 0;
+ attr = XVaCreateNestedList (0, XNAreaNeeded, &area, NULL);
+ XSetICValues (xic, XNStatusAttributes, attr, NULL);
+ XFree (attr);
+
+ attr = XVaCreateNestedList (0, XNAreaNeeded, &needed, NULL);
+ XGetICValues (xic, XNStatusAttributes, attr, NULL);
+ XFree (attr);
+
+ if (needed->width == 0) /* Use XNArea instead of XNAreaNeeded */
+ {
+ attr = XVaCreateNestedList (0, XNArea, &needed, NULL);
+ XGetICValues (xic, XNStatusAttributes, attr, NULL);
+ XFree (attr);
+ }
+
+ area.width = needed->width;
+ area.height = needed->height;
+ area.x = PIXEL_WIDTH (f) - area.width - FRAME_INTERNAL_BORDER_WIDTH (f);
+ area.y = (PIXEL_HEIGHT (f) - area.height
+ - FRAME_MENUBAR_HEIGHT (f) - FRAME_INTERNAL_BORDER_WIDTH (f));
+ XFree (needed);
+
+ attr = XVaCreateNestedList (0, XNArea, &area, NULL);
+ XSetICValues(xic, XNStatusAttributes, attr, NULL);
+ XFree (attr);
+}
+
+
+/* Set X fontset for XIC of frame F, using base font name
+ BASE_FONTNAME. Called when a new Emacs fontset is chosen. */
+
+void
+xic_set_xfontset (f, base_fontname)
+ struct frame *f;
+ char *base_fontname;
+{
+ XVaNestedList attr;
+ XFontSet xfs;
+
+ xfs = xic_create_xfontset (f, base_fontname);
+
+ attr = XVaCreateNestedList (0, XNFontSet, xfs, NULL);
+ if (FRAME_XIC_STYLE (f) & XIMPreeditPosition)
+ XSetICValues (FRAME_XIC (f), XNPreeditAttributes, attr, NULL);
+ if (FRAME_XIC_STYLE (f) & XIMStatusArea)
+ XSetICValues (FRAME_XIC (f), XNStatusAttributes, attr, NULL);
+ XFree (attr);
+
+ if (FRAME_XIC_FONTSET (f))
+ XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f));
+ FRAME_XIC_FONTSET (f) = xfs;
+}
+
+#endif /* HAVE_X_I18N */
+
+
\f
#ifdef USE_X_TOOLKIT
XClassHint class_hints;
XSetWindowAttributes attributes;
unsigned long attribute_mask;
-
Widget shell_widget;
Widget pane_widget;
Widget frame_widget;
XtSetArg (al[ac], XtNinput, 1); ac++;
XtSetArg (al[ac], XtNmappedWhenManaged, 0); ac++;
XtSetArg (al[ac], XtNborderWidth, f->output_data.x->border_width); ac++;
+ XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++;
+ XtSetArg (al[ac], XtNdepth, FRAME_X_DISPLAY_INFO (f)->n_planes); ac++;
+ XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++;
shell_widget = XtAppCreateShell (f->namebuf, EMACS_CLASS,
applicationShellWidgetClass,
FRAME_X_DISPLAY (f), al, ac);
shell_widget, False,
(lw_callback) NULL,
(lw_callback) NULL,
+ (lw_callback) NULL,
(lw_callback) NULL);
+ ac = 0;
+ XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++;
+ XtSetArg (al[ac], XtNdepth, FRAME_X_DISPLAY_INFO (f)->n_planes); ac++;
+ XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++;
+ XtSetValues (pane_widget, al, ac);
f->output_data.x->column_widget = pane_widget;
/* mappedWhenManaged to false tells to the paned window to not map/unmap
XtSetArg (al[ac], XtNallowResize, 1); ac++;
XtSetArg (al[ac], XtNresizeToPreferred, 1); ac++;
XtSetArg (al[ac], XtNemacsFrame, f); ac++;
- frame_widget = XtCreateWidget (f->namebuf,
- emacsFrameClass,
- pane_widget, al, ac);
+ XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++;
+ XtSetArg (al[ac], XtNdepth, FRAME_X_DISPLAY_INFO (f)->n_planes); ac++;
+ XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++;
+ frame_widget = XtCreateWidget (f->namebuf, emacsFrameClass, pane_widget,
+ al, ac);
f->output_data.x->edit_widget = frame_widget;
? (f->output_data.x->menubar_widget->core.height
+ f->output_data.x->menubar_widget->core.border_width)
: 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. */
}
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++;
XSetClassHint (FRAME_X_DISPLAY (f), XtWindow (shell_widget), &class_hints);
#ifdef HAVE_X_I18N
-#ifndef X_I18N_INHIBITED
- {
- XIM xim;
- XIC xic = NULL;
-
- xim = XOpenIM (FRAME_X_DISPLAY (f), NULL, NULL, NULL);
-
- if (xim)
- {
- xic = XCreateIC (xim,
- XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
- XNClientWindow, FRAME_X_WINDOW(f),
- XNFocusWindow, FRAME_X_WINDOW(f),
- NULL);
-
- if (xic == 0)
- {
- XCloseIM (xim);
- xim = NULL;
- }
- }
- FRAME_XIM (f) = xim;
- FRAME_XIC (f) = xic;
- }
-#else /* X_I18N_INHIBITED */
- FRAME_XIM (f) = 0;
- FRAME_XIC (f) = 0;
-#endif /* X_I18N_INHIBITED */
-#endif /* HAVE_X_I18N */
+ FRAME_XIC (f) = NULL;
+ create_frame_xic (f);
+#endif
f->output_data.x->wm_hints.input = True;
f->output_data.x->wm_hints.flags |= InputHint;
#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),
XA_ATOM, 32, PropModeAppend,
(unsigned char*) NULL, 0);
- /* Make all the standard events reach the Emacs frame. */
+ /* Make all the standard events reach the Emacs frame. */
attributes.event_mask = STANDARD_EVENT_SET;
+
+#ifdef HAVE_X_I18N
+ if (FRAME_XIC (f))
+ {
+ /* XIM server might require some X events. */
+ unsigned long fevent = NoEventMask;
+ XGetICValues(FRAME_XIC (f), XNFilterEvents, &fevent, NULL);
+ attributes.event_mask |= fevent;
+ }
+#endif /* HAVE_X_I18N */
+
attribute_mask = CWEventMask;
XChangeWindowAttributes (XtDisplay (shell_widget), XtWindow (shell_widget),
attribute_mask, &attributes);
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;
attributes.backing_store = NotUseful;
attributes.save_under = True;
attributes.event_mask = STANDARD_EVENT_SET;
- attribute_mask = (CWBackPixel | CWBorderPixel | CWBitGravity
-#if 0
- | CWBackingStore | CWSaveUnder
-#endif
- | CWEventMask);
+ attributes.colormap = FRAME_X_COLORMAP (f);
+ attribute_mask = (CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask
+ | CWColormap);
BLOCK_INPUT;
FRAME_X_WINDOW (f)
InputOutput, /* class */
FRAME_X_DISPLAY_INFO (f)->visual,
attribute_mask, &attributes);
-#ifdef HAVE_X_I18N
-#ifndef X_I18N_INHIBITED
- {
- XIM xim;
- XIC xic = NULL;
-
- xim = XOpenIM (FRAME_X_DISPLAY(f), NULL, NULL, NULL);
-
- if (xim)
- {
- xic = XCreateIC (xim,
- XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
- XNClientWindow, FRAME_X_WINDOW(f),
- XNFocusWindow, FRAME_X_WINDOW(f),
- NULL);
-
- if (!xic)
- {
- XCloseIM (xim);
- xim = NULL;
- }
- }
- FRAME_XIM (f) = xim;
- FRAME_XIC (f) = xic;
- }
-#else /* X_I18N_INHIBITED */
- FRAME_XIM (f) = 0;
- FRAME_XIC (f) = 0;
-#endif /* X_I18N_INHIBITED */
+#ifdef HAVE_X_I18N
+ create_frame_xic (f);
+ if (FRAME_XIC (f))
+ {
+ /* XIM server might require some X events. */
+ unsigned long fevent = NoEventMask;
+ XGetICValues(FRAME_XIC (f), XNFilterEvents, &fevent, NULL);
+ attributes.event_mask |= fevent;
+ attribute_mask = CWEventMask;
+ XChangeWindowAttributes (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
+ attribute_mask, &attributes);
+ }
#endif /* HAVE_X_I18N */
-
+
validate_x_resource_name ();
class_hints.res_name = (char *) XSTRING (Vx_resource_name)->data;
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_and_record_arg (f, parms, Qicon_left, 0, 0, number);
- icon_y = x_get_and_record_arg (f, 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. */
int count = specpdl_ptr - specpdl;
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))
it to make_frame_without_minibuffer. */
frame = Qnil;
GCPRO4 (parms, parent, name, frame);
- tem = x_get_arg (parms, Qminibuffer, "minibuffer", "Minibuffer", symbol);
+ 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))
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;
FRAME_KBOARD (f) = kb;
#endif
+ /* These colors will be set anyway later, but it's important
+ to get the color reference counts right, so initialize them! */
+ {
+ Lisp_Object black;
+ struct gcpro gcpro1;
+
+ black = build_string ("black");
+ GCPRO1 (black);
+ f->output_data.x->foreground_pixel
+ = x_decode_color (f, black, BLACK_PIX_DEFAULT (f));
+ f->output_data.x->background_pixel
+ = x_decode_color (f, black, BLACK_PIX_DEFAULT (f));
+ f->output_data.x->cursor_pixel
+ = x_decode_color (f, black, BLACK_PIX_DEFAULT (f));
+ f->output_data.x->cursor_foreground_pixel
+ = x_decode_color (f, black, BLACK_PIX_DEFAULT (f));
+ f->output_data.x->border_pixel
+ = x_decode_color (f, black, BLACK_PIX_DEFAULT (f));
+ f->output_data.x->mouse_pixel
+ = x_decode_color (f, black, BLACK_PIX_DEFAULT (f));
+ UNGCPRO;
+ }
+
/* Specify the parent under which to make this X window. */
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))
}
/* 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);
+ for (tem = Vglobal_fontset_alist; CONSP (tem); tem = XCDR (tem))
+ fs_register_fontset (f, XCAR (tem));
/* 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);
- if (!STRINGP (font))
- font = x_get_arg (parms, Qfontset, "fontset", "Fontset", 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))
{
- Lisp_Object fontset = Fquery_fontset (font);
- if (STRINGP (fontset))
- font = x_new_fontset (f, XSTRING (fontset)->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_LUCID
#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", "internalBorder", 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 (1),
- "internalBorderWidth", "internalBorderWidth", number);
+ "internalBorderWidth", "internalBorderWidth",
+ RES_TYPE_NUMBER);
x_default_parameter (f, parms, Qvertical_scroll_bars, Qleft,
- "verticalScrollBars", "ScrollBars", boolean);
+ "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_parameter (f, parms, Qscreen_gamma, Qnil,
+ "screenGamma", "ScreenGamma", RES_TYPE_FLOAT);
+
+ 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);
- x_default_parameter (f, parms, Qscroll_bar_width, Qnil,
- "scrollBarWidth", "ScrollBarWidth", number);
+ "menuBar", "MenuBar", RES_TYPE_NUMBER);
+ x_default_parameter (f, parms, Qtool_bar_lines, make_number (0),
+ "toolBar", "ToolBar", 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 tool-bar 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 tool-bar 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 tool-bar will get. */
+ f->height += FRAME_TOOL_BAR_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);
+ x_default_parameter (f, parms, Qscroll_bar_width, Qnil,
+ "scrollBarWidth", "ScrollBarWidth",
+ RES_TYPE_NUMBER);
/* Dimensions, especially f->height, must be done via change_frame_size.
Change will not be effected unless different from the current
height = f->height;
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. */
- BLOCK_INPUT;
- x_wm_set_size_hint (f, window_prompting, 0);
- UNBLOCK_INPUT;
+ change_frame_size (f, height, width, 1, 0, 0);
- tem = x_get_arg (parms, Qunsplittable, 0, 0, boolean);
- f->no_split = minibuffer_only || EQ (tem, Qt);
+ /* Set up faces after all frame parameters are known. */
+ call1 (Qface_set_after_frame_default, frame);
- 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);
+#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 */
- /* Now that the frame is official, it counts as a reference to
- its display. */
- FRAME_X_DISPLAY_INFO (f)->reference_count++;
+ /* 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;
- /* 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);
}
XSETFRAME (xfocus, dpyinfo->x_focus_frame);
return xfocus;
}
-\f
-#if 1
-#include "x-list-font.c"
-#else
-DEFUN ("x-list-fonts", Fx_list_fonts, Sx_list_fonts, 1, 4, 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.\n\
-\n\
-The optional fourth argument MAXIMUM sets a limit on how many\n\
-fonts to match. The first MAXIMUM fonts are reported.")
- (pattern, face, frame, maximum)
- Lisp_Object pattern, face, frame, maximum;
-{
- int num_fonts;
- char **names;
-#ifndef BROKEN_XLISTFONTSWITHINFO
- XFontStruct *info;
-#endif
- XFontStruct *size_ref;
- Lisp_Object list;
- FRAME_PTR f;
- Lisp_Object key;
- int maxnames;
-
- check_x ();
- CHECK_STRING (pattern, 0);
- if (!NILP (face))
- CHECK_SYMBOL (face, 1);
-
- if (NILP (maximum))
- maxnames = 2000;
- else
- {
- CHECK_NATNUM (maximum, 0);
- maxnames = XINT (maximum);
- }
-
- 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. */
- key = Fcons (pattern, maximum);
- list = Fassoc (key,
- 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,
- maxnames,
- &num_fonts, /* count_return */
- &info); /* info_return */
- else
-#endif
- names = XListFonts (FRAME_X_DISPLAY (f),
- XSTRING (pattern)->data,
- 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 (key, 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;
-}
-#endif
\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\
-If FRAME is omitted or nil, use the selected frame.")
+DEFUN ("xw-color-defined-p", Fxw_color_defined_p, Sxw_color_defined_p, 1, 2, 0,
+ "Internal function called by `color-defined-p', which see.")
(color, frame)
Lisp_Object color, frame;
{
CHECK_STRING (color, 1);
- if (defined_color (f, XSTRING (color)->data, &foo, 0))
+ if (x_defined_color (f, XSTRING (color)->data, &foo, 0))
return Qt;
else
return Qnil;
}
-DEFUN ("x-color-values", Fx_color_values, Sx_color_values, 1, 2, 0,
- "Return a description of the color named COLOR on frame FRAME.\n\
-The value is a list of integer RGB values--(RED GREEN BLUE).\n\
-These values appear to range from 0 to 65280 or 65535, depending\n\
-on the system; white is (65280 65280 65280) or (65535 65535 65535).\n\
-If FRAME is omitted or nil, use the selected frame.")
+DEFUN ("xw-color-values", Fxw_color_values, Sxw_color_values, 1, 2, 0,
+ "Internal function called by `color-values', which see.")
(color, frame)
Lisp_Object color, frame;
{
CHECK_STRING (color, 1);
- if (defined_color (f, XSTRING (color)->data, &foo, 0))
+ if (x_defined_color (f, XSTRING (color)->data, &foo, 0))
{
Lisp_Object rgb[3];
return Qnil;
}
-DEFUN ("x-display-color-p", Fx_display_color_p, Sx_display_color_p, 0, 1, 0,
- "Return t if the X display supports color.\n\
-The optional argument DISPLAY specifies which display to ask about.\n\
-DISPLAY should be either a frame or a display name (a string).\n\
-If omitted or nil, that stands for the selected frame's display.")
+DEFUN ("xw-display-color-p", Fxw_display_color_p, Sxw_display_color_p, 0, 1, 0,
+ "Internal function called by `display-color-p', which see.")
(display)
Lisp_Object display;
{
}
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;
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;
}
#endif /* HAVE_X11 */
#endif /* 0 */
+
+\f
+/************************************************************************
+ X Displays
+ ************************************************************************/
+
\f
+/* Mapping visual names to visuals. */
+
+static struct visual_class
+{
+ char *name;
+ int class;
+}
+visual_classes[] =
+{
+ {"StaticGray", StaticGray},
+ {"GrayScale", GrayScale},
+ {"StaticColor", StaticColor},
+ {"PseudoColor", PseudoColor},
+ {"TrueColor", TrueColor},
+ {"DirectColor", DirectColor},
+ NULL
+};
+
+
#ifndef HAVE_XSCREENNUMBEROFSCREEN
+
+/* Value is the screen number of screen SCR. This is a substitute for
+ the X function with the same name when that doesn't exist. */
+
int
XScreenNumberOfScreen (scr)
register Screen *scr;
{
- register Display *dpy;
- register Screen *dpyscr;
- register int i;
-
- dpy = scr->display;
- dpyscr = dpy->screens;
+ Display *dpy = scr->display;
+ int i;
- for (i = 0; i < dpy->nscreens; i++, dpyscr++)
- if (scr == dpyscr)
- return i;
+ for (i = 0; i < dpy->nscreens; ++i)
+ if (scr == dpy->screens[i])
+ break;
- return -1;
+ return i;
}
+
#endif /* not HAVE_XSCREENNUMBEROFSCREEN */
-Visual *
-select_visual (dpy, screen, depth)
- Display *dpy;
- Screen *screen;
- unsigned int *depth;
-{
- Visual *v;
- XVisualInfo *vinfo, vinfo_template;
- int n_visuals;
- v = DefaultVisualOfScreen (screen);
+/* Select the visual that should be used on display DPYINFO. Set
+ members of DPYINFO appropriately. Called from x_term_init. */
-#ifdef HAVE_X11R4
- vinfo_template.visualid = XVisualIDFromVisual (v);
-#else
- vinfo_template.visualid = v->visualid;
-#endif
+void
+select_visual (dpyinfo)
+ struct x_display_info *dpyinfo;
+{
+ Display *dpy = dpyinfo->display;
+ Screen *screen = dpyinfo->screen;
+ Lisp_Object value;
- vinfo_template.screen = XScreenNumberOfScreen (screen);
+ /* See if a visual is specified. */
+ value = display_x_get_resource (dpyinfo,
+ build_string ("visualClass"),
+ build_string ("VisualClass"),
+ Qnil, Qnil);
+ if (STRINGP (value))
+ {
+ /* VALUE should be of the form CLASS-DEPTH, where CLASS is one
+ of `PseudoColor', `TrueColor' etc. and DEPTH is the color
+ depth, a decimal number. NAME is compared with case ignored. */
+ char *s = (char *) alloca (STRING_BYTES (XSTRING (value)) + 1);
+ char *dash;
+ int i, class = -1;
+ XVisualInfo vinfo;
+
+ strcpy (s, XSTRING (value)->data);
+ dash = index (s, '-');
+ if (dash)
+ {
+ dpyinfo->n_planes = atoi (dash + 1);
+ *dash = '\0';
+ }
+ else
+ /* We won't find a matching visual with depth 0, so that
+ an error will be printed below. */
+ dpyinfo->n_planes = 0;
- vinfo = XGetVisualInfo (dpy,
- VisualIDMask | VisualScreenMask, &vinfo_template,
- &n_visuals);
- if (n_visuals != 1)
- fatal ("Can't get proper X visual info");
+ /* Determine the visual class. */
+ for (i = 0; visual_classes[i].name; ++i)
+ if (xstricmp (s, visual_classes[i].name) == 0)
+ {
+ class = visual_classes[i].class;
+ break;
+ }
- if ((1 << vinfo->depth) == vinfo->colormap_size)
- *depth = vinfo->depth;
+ /* Look up a matching visual for the specified class. */
+ if (class == -1
+ || !XMatchVisualInfo (dpy, XScreenNumberOfScreen (screen),
+ dpyinfo->n_planes, class, &vinfo))
+ fatal ("Invalid visual specification `%s'", XSTRING (value)->data);
+
+ dpyinfo->visual = vinfo.visual;
+ }
else
{
- int i = 0;
- int n = vinfo->colormap_size - 1;
- while (n)
+ int n_visuals;
+ XVisualInfo *vinfo, vinfo_template;
+
+ dpyinfo->visual = DefaultVisualOfScreen (screen);
+
+#ifdef HAVE_X11R4
+ vinfo_template.visualid = XVisualIDFromVisual (dpyinfo->visual);
+#else
+ vinfo_template.visualid = dpyinfo->visual->visualid;
+#endif
+ vinfo_template.screen = XScreenNumberOfScreen (screen);
+ vinfo = XGetVisualInfo (dpy, VisualIDMask | VisualScreenMask,
+ &vinfo_template, &n_visuals);
+ if (n_visuals != 1)
+ fatal ("Can't get proper X visual info");
+
+ if ((1 << vinfo->depth) == vinfo->colormap_size)
+ dpyinfo->n_planes = vinfo->depth;
+ else
{
- n = n >> 1;
- i++;
+ int i = 0;
+ int n = vinfo->colormap_size - 1;
+ while (n)
+ {
+ n = n >> 1;
+ i++;
+ }
+ dpyinfo->n_planes = i;
}
- *depth = i;
- }
- XFree ((char *) vinfo);
- return v;
+ XFree ((char *) vinfo);
+ }
}
+
/* Return the X display structure for the display named NAME.
Open a new connection if necessary. */
for (dpyinfo = x_display_list, names = x_display_name_list;
dpyinfo;
- dpyinfo = dpyinfo->next, names = XCONS (names)->cdr)
+ dpyinfo = dpyinfo->next, names = XCDR (names))
{
Lisp_Object tem;
- tem = Fstring_equal (XCONS (XCONS (names)->car)->car, name);
+ tem = Fstring_equal (XCAR (XCAR (names)), name);
if (!NILP (tem))
return dpyinfo;
}
return dpyinfo;
}
+
DEFUN ("x-open-connection", Fx_open_connection, Sx_open_connection,
1, 3, 0, "Open a connection to an X server.\n\
DISPLAY is the name of the display to connect to.\n\
(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;
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);
Lisp_Object tail, result;
result = Qnil;
- for (tail = x_display_name_list; ! NILP (tail); tail = XCONS (tail)->cdr)
- result = Fcons (XCONS (XCONS (tail)->car)->car, result);
+ for (tail = x_display_name_list; ! NILP (tail); tail = XCDR (tail))
+ result = Fcons (XCAR (XCAR (tail)), result);
return result;
}
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);
- 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);
- 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);
- 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,
- build_string ("Undefined color"));
+#define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR))
- init_x_parm_symbols ();
+/* 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. */
- DEFVAR_LISP ("x-bitmap-file-path", &Vx_bitmap_file_path,
- "List of directories to search for bitmap files for X.");
- Vx_bitmap_file_path = decode_env_path ((char *) 0, PATH_BITMAPS);
+static struct image_type *image_types;
- DEFVAR_LISP ("x-pointer-shape", &Vx_pointer_shape,
- "The shape of the pointer when over text.\n\
-Changing the value does not affect existing frames\n\
-unless you set the mouse color.");
- Vx_pointer_shape = Qnil;
+/* A list of symbols, one for each supported image type. */
- DEFVAR_LISP ("x-resource-name", &Vx_resource_name,
- "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.\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;
+Lisp_Object Vimage_types;
- 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 reasonabvle practice. See also the variable `x-resource-name'.");
- Vx_resource_class = build_string (EMACS_CLASS);
+/* The symbol `image' which is the car of the lists used to represent
+ images in Lisp. */
-#if 0 /* This doesn't really do anything. */
- 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\
+extern Lisp_Object Qimage;
+
+/* The symbol `xbm' which is used as the type symbol for XBM images. */
+
+Lisp_Object Qxbm;
+
+/* Keywords. */
+
+extern Lisp_Object QCwidth, QCheight, QCforeground, QCbackground, QCfile;
+extern Lisp_Object QCdata;
+Lisp_Object QCtype, QCascent, QCmargin, QCrelief;
+Lisp_Object QCalgorithm, QCcolor_symbols, QCheuristic_mask;
+Lisp_Object QCindex;
+
+/* Other symbols. */
+
+Lisp_Object Qlaplace;
+
+/* Time in seconds after which images should be removed from the cache
+ if not displayed. */
+
+Lisp_Object Vimage_cache_eviction_delay;
+
+/* Function prototypes. */
+
+static void define_image_type P_ ((struct image_type *type));
+static struct image_type *lookup_image_type P_ ((Lisp_Object symbol));
+static void image_error P_ ((char *format, Lisp_Object, Lisp_Object));
+static void x_laplace P_ ((struct frame *, struct image *));
+static int x_build_heuristic_mask P_ ((struct frame *, struct image *,
+ Lisp_Object));
+
+
+/* Define a new image type from TYPE. This adds a copy of TYPE to
+ image_types and adds the symbol *TYPE->type to Vimage_types. */
+
+static void
+define_image_type (type)
+ struct image_type *type;
+{
+ /* Make a copy of TYPE to avoid a bus error in a dumped Emacs.
+ The initialized data segment is read-only. */
+ struct image_type *p = (struct image_type *) xmalloc (sizeof *p);
+ bcopy (type, p, sizeof *p);
+ p->next = image_types;
+ image_types = p;
+ Vimage_types = Fcons (*p->type, Vimage_types);
+}
+
+
+/* Look up image type SYMBOL, and return a pointer to its image_type
+ structure. Value is null if SYMBOL is not a known image type. */
+
+static INLINE struct image_type *
+lookup_image_type (symbol)
+ Lisp_Object symbol;
+{
+ struct image_type *type;
+
+ for (type = image_types; type; type = type->next)
+ if (EQ (symbol, *type->type))
+ break;
+
+ return type;
+}
+
+
+/* Value is non-zero if OBJECT is a valid Lisp image specification. A
+ valid image specification is a list whose car is the symbol
+ `image', and whose rest is a property list. The property list must
+ contain a value for key `:type'. That value must be the name of a
+ supported image type. The rest of the property list depends on the
+ image type. */
+
+int
+valid_image_p (object)
+ Lisp_Object object;
+{
+ int valid_p = 0;
+
+ if (CONSP (object) && EQ (XCAR (object), Qimage))
+ {
+ Lisp_Object 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;
+}
+
+
+/* Log error message with format string FORMAT and argument ARG.
+ Signaling an error, e.g. when an image cannot be loaded, is not a
+ good idea because this would interrupt redisplay, and the error
+ message display would lead to another redisplay. This function
+ therefore simply displays a message. */
+
+static void
+image_error (format, arg1, arg2)
+ char *format;
+ Lisp_Object arg1, arg2;
+{
+ add_to_log (format, arg1, arg2);
+}
+
+
+\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, struct image_keyword *,
+ int, Lisp_Object));
+static Lisp_Object image_spec_value P_ ((Lisp_Object, Lisp_Object, int *));
+
+
+/* Parse image spec SPEC according to KEYWORDS. A valid image spec
+ has the format (image KEYWORD VALUE ...). One of the keyword/
+ value pairs must be `:type TYPE'. KEYWORDS is a vector of
+ image_keywords structures of size NKEYWORDS describing other
+ allowed keyword/value pairs. Value is non-zero if SPEC is valid. */
+
+static int
+parse_image_spec (spec, keywords, nkeywords, type)
+ Lisp_Object spec;
+ struct image_keyword *keywords;
+ int nkeywords;
+ Lisp_Object type;
+{
+ int i;
+ Lisp_Object plist;
+
+ if (!CONSP (spec) || !EQ (XCAR (spec), Qimage))
+ return 0;
+
+ plist = XCDR (spec);
+ while (CONSP (plist))
+ {
+ Lisp_Object key, value;
+
+ /* First element of a pair must be a symbol. */
+ key = XCAR (plist);
+ plist = XCDR (plist);
+ if (!SYMBOLP (key))
+ return 0;
+
+ /* There must follow a value. */
+ if (!CONSP (plist))
+ return 0;
+ value = XCAR (plist);
+ plist = XCDR (plist);
+
+ /* Find key in KEYWORDS. Error if not found. */
+ for (i = 0; i < nkeywords; ++i)
+ if (strcmp (keywords[i].name, XSYMBOL (key)->name->data) == 0)
+ break;
+
+ if (i == nkeywords)
+ continue;
+
+ /* Record that we recognized the keyword. If a keywords
+ was found more than once, it's an error. */
+ keywords[i].value = value;
+ ++keywords[i].count;
+
+ if (keywords[i].count > 1)
+ return 0;
+
+ /* Check type of value against allowed type. */
+ switch (keywords[i].type)
+ {
+ case IMAGE_STRING_VALUE:
+ if (!STRINGP (value))
+ return 0;
+ break;
+
+ case IMAGE_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->load_failed_p)
+ img->load_failed_p = img->type->load (f, img) == 0;
+}
+
+
+\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)
+ {
+ BLOCK_INPUT;
+ x_free_colors (f, img->colors, img->ncolors);
+ 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 (x_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_cache_eviction_delay))
+ {
+ EMACS_TIME t;
+ unsigned long old;
+ int i, any_freed_p = 0;
+
+ EMACS_GET_TIME (t);
+ old = EMACS_SECS (t) - XFASTINT (Vimage_cache_eviction_delay);
+
+ 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;
+ EMACS_TIME now;
+
+ /* F must be a window-system frame, and SPEC must be a valid image
+ specification. */
+ xassert (FRAME_WINDOW_P (f));
+ xassert (valid_image_p (spec));
+
+ GCPRO1 (spec);
+
+ /* Look up SPEC in the hash table of the image cache. */
+ hash = sxhash (spec, 0);
+ i = hash % IMAGE_CACHE_BUCKETS_SIZE;
+
+ for (img = c->buckets[i]; img; img = img->next)
+ if (img->hash == hash && !NILP (Fequal (img->spec, spec)))
+ break;
+
+ /* If not found, create a new image and cache it. */
+ if (img == NULL)
+ {
+ img = make_image (spec, hash);
+ cache_image (f, img);
+ img->load_failed_p = img->type->load (f, img) == 0;
+ xassert (!interrupt_input_blocked);
+
+ /* If we can't load the image, and we don't have a width and
+ height, use some arbitrary width and height so that we can
+ draw a rectangle for it. */
+ if (img->load_failed_p)
+ {
+ Lisp_Object value;
+
+ value = image_spec_value (spec, QCwidth, NULL);
+ img->width = (INTEGERP (value)
+ ? XFASTINT (value) : DEFAULT_IMAGE_WIDTH);
+ value = image_spec_value (spec, QCheight, NULL);
+ img->height = (INTEGERP (value)
+ ? XFASTINT (value) : DEFAULT_IMAGE_HEIGHT);
+ }
+ else
+ {
+ /* Handle image type independent image attributes
+ `:ascent 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))
+ x_build_heuristic_mask (f, img, heuristic_mask);
+ }
+ }
+
+ /* We're using IMG, so set its timestamp to `now'. */
+ EMACS_GET_TIME (now);
+ img->timestamp = EMACS_SECS (now);
+
+ UNGCPRO;
+
+ /* Value is the image id. */
+ return img->id;
+}
+
+
+/* Cache image IMG in the image cache of frame F. */
+
+static void
+cache_image (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
+ int i;
+
+ /* Find a free slot in c->images. */
+ for (i = 0; i < c->used; ++i)
+ if (c->images[i] == NULL)
+ break;
+
+ /* If no free slot found, maybe enlarge c->images. */
+ if (i == c->used && c->used == c->size)
+ {
+ c->size *= 2;
+ c->images = (struct image **) xrealloc (c->images,
+ c->size * sizeof *c->images);
+ }
+
+ /* Add IMG to c->images, and assign IMG an id. */
+ c->images[i] = img;
+ img->id = i;
+ if (i == c->used)
+ ++c->used;
+
+ /* Add IMG to the cache's hash table. */
+ i = img->hash % IMAGE_CACHE_BUCKETS_SIZE;
+ img->next = c->buckets[i];
+ if (img->next)
+ img->next->prev = img;
+ img->prev = NULL;
+ c->buckets[i] = img;
+}
+
+
+/* Call FN on every image in the image cache of frame F. Used to mark
+ Lisp Objects in the image cache. */
+
+void
+forall_images_in_image_cache (f, fn)
+ struct frame *f;
+ void (*fn) P_ ((struct image *img));
+{
+ if (FRAME_LIVE_P (f) && FRAME_X_P (f))
+ {
+ struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
+ if (c)
+ {
+ int i;
+ for (i = 0; i < c->used; ++i)
+ if (c->images[i])
+ fn (c->images[i]);
+ }
+ }
+}
+
+
+\f
+/***********************************************************************
+ X support code
+ ***********************************************************************/
+
+static int x_create_x_image_and_pixmap P_ ((struct frame *, int, int, int,
+ XImage **, Pixmap *));
+static void x_destroy_x_image P_ ((XImage *));
+static void x_put_x_image P_ ((struct frame *, XImage *, Pixmap, int, int));
+
+
+/* Create an XImage and a pixmap of size WIDTH x HEIGHT for use on
+ frame F. Set *XIMG and *PIXMAP to the XImage and Pixmap created.
+ Set (*XIMG)->data to a raster of WIDTH x HEIGHT pixels allocated
+ via xmalloc. Print error messages via image_error if an error
+ occurs. Value is non-zero if successful. */
+
+static int
+x_create_x_image_and_pixmap (f, width, height, depth, ximg, pixmap)
+ struct frame *f;
+ int width, height, depth;
+ XImage **ximg;
+ Pixmap *pixmap;
+{
+ Display *display = FRAME_X_DISPLAY (f);
+ Screen *screen = FRAME_X_SCREEN (f);
+ Window window = FRAME_X_WINDOW (f);
+
+ xassert (interrupt_input_blocked);
+
+ if (depth <= 0)
+ depth = DefaultDepthOfScreen (screen);
+ *ximg = XCreateImage (display, DefaultVisualOfScreen (screen),
+ depth, ZPixmap, 0, NULL, width, height,
+ depth > 16 ? 32 : depth > 8 ? 16 : 8, 0);
+ if (*ximg == NULL)
+ {
+ image_error ("Unable to allocate X image", Qnil, Qnil);
+ return 0;
+ }
+
+ /* Allocate image raster. */
+ (*ximg)->data = (char *) xmalloc ((*ximg)->bytes_per_line * height);
+
+ /* Allocate a pixmap of the same size. */
+ *pixmap = XCreatePixmap (display, window, width, height, depth);
+ if (*pixmap == 0)
+ {
+ x_destroy_x_image (*ximg);
+ *ximg = NULL;
+ image_error ("Unable to create X pixmap", Qnil, Qnil);
+ return 0;
+ }
+
+ return 1;
+}
+
+
+/* Destroy XImage XIMG. Free XIMG->data. */
+
+static void
+x_destroy_x_image (ximg)
+ XImage *ximg;
+{
+ xassert (interrupt_input_blocked);
+ if (ximg)
+ {
+ xfree (ximg->data);
+ ximg->data = NULL;
+ XDestroyImage (ximg);
+ }
+}
+
+
+/* Put XImage XIMG into pixmap PIXMAP on frame F. WIDTH and HEIGHT
+ are width and height of both the image and pixmap. */
+
+static void
+x_put_x_image (f, ximg, pixmap, width, height)
+ struct frame *f;
+ XImage *ximg;
+ Pixmap pixmap;
+{
+ 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 **));
+
+
+/* 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))
+ 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 == '#')
+ {
+ 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);
+ 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 `%s'",
+ img->spec, 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)
+ /* 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_VISUAL (f);
+ attrs.colormap = FRAME_X_COLORMAP (f);
+ attrs.valuemask |= XpmVisual;
+ attrs.valuemask |= XpmColormap;
+ 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);
+ UNBLOCK_INPUT;
+ 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 = FRAME_X_COLORMAP (f);
+ rc = x_alloc_nearest_color (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 = FRAME_X_COLORMAP (f);
+ color.pixel = pixel;
+ XQueryColor (FRAME_X_DISPLAY (f), cmap, &color);
+ rc = x_alloc_nearest_color (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 = FRAME_X_COLORMAP (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, 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 a list '(R G B)',
+ with R, G, and B being integers >= 0, take that as the color of the
+ background. Otherwise, determine the background color of IMG
+ heuristically. Value is non-zero if successful. */
+
+static int
+x_build_heuristic_mask (f, img, how)
+ struct frame *f;
+ struct image *img;
+ Lisp_Object how;
+{
+ Display *dpy = FRAME_X_DISPLAY (f);
+ XImage *ximg, *mask_img;
+ int x, y, rc, look_at_corners_p;
+ unsigned long bg;
+
+ BLOCK_INPUT;
+
+ /* Create an image and pixmap serving as mask. */
+ rc = x_create_x_image_and_pixmap (f, img->width, img->height, 1,
+ &mask_img, &img->mask);
+ if (!rc)
+ {
+ 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 `(R G B)'
+ take that as color. Otherwise, try to determine the color
+ heuristically. */
+ look_at_corners_p = 1;
+
+ if (CONSP (how))
+ {
+ int rgb[3], i = 0;
+
+ while (i < 3
+ && CONSP (how)
+ && NATNUMP (XCAR (how)))
+ {
+ rgb[i] = XFASTINT (XCAR (how)) & 0xffff;
+ how = XCDR (how);
+ }
+
+ if (i == 3 && NILP (how))
+ {
+ char color_name[30];
+ XColor exact, color;
+ Colormap cmap;
+
+ sprintf (color_name, "#%04x%04x%04x", rgb[0], rgb[1], rgb[2]);
+
+ cmap = FRAME_X_COLORMAP (f);
+ if (XLookupColor (dpy, cmap, color_name, &exact, &color))
+ {
+ bg = color.pixel;
+ look_at_corners_p = 0;
+ }
+ }
+ }
+
+ if (look_at_corners_p)
+ {
+ 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_ ((unsigned char **, unsigned char *));
+
+/* The symbol `pbm' identifying images of this type. */
+
+Lisp_Object Qpbm;
+
+/* Indices of image specification fields in gs_format, below. */
+
+enum pbm_keyword_index
+{
+ PBM_TYPE,
+ PBM_FILE,
+ PBM_DATA,
+ PBM_ASCENT,
+ PBM_MARGIN,
+ PBM_RELIEF,
+ PBM_ALGORITHM,
+ PBM_HEURISTIC_MASK,
+ PBM_LAST
+};
+
+/* Vector of image_keyword structures describing the format
+ of valid user-defined image specifications. */
+
+static struct image_keyword pbm_format[PBM_LAST] =
+{
+ {":type", IMAGE_SYMBOL_VALUE, 1},
+ {":file", IMAGE_STRING_VALUE, 0},
+ {":data", IMAGE_STRING_VALUE, 0},
+ {":ascent", IMAGE_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)
+ || (fmt[PBM_ASCENT].count
+ && XFASTINT (fmt[PBM_ASCENT].value) > 100))
+ return 0;
+
+ /* Must specify either :data or :file. */
+ return fmt[PBM_DATA].count + fmt[PBM_FILE].count == 1;
+}
+
+
+/* Scan a decimal number from *S and return it. Advance *S while
+ reading the number. END is the end of the string. Value is -1 at
+ end of input. */
+
+static int
+pbm_scan_number (s, end)
+ unsigned char **s, *end;
+{
+ int c, val = -1;
+
+ while (*s < end)
+ {
+ /* Skip white-space. */
+ while (*s < end && (c = *(*s)++, isspace (c)))
+ ;
+
+ if (c == '#')
+ {
+ /* Skip comment to end of line. */
+ while (*s < end && (c = *(*s)++, c != '\n'))
+ ;
+ }
+ else if (isdigit (c))
+ {
+ /* Read decimal number. */
+ val = c - '0';
+ while (*s < end && (c = *(*s)++, isdigit (c)))
+ val = 10 * val + c - '0';
+ break;
+ }
+ else
+ break;
+ }
+
+ return val;
+}
+
+
+/* Read FILE into memory. Value is a pointer to a buffer allocated
+ with xmalloc holding FILE's contents. Value is null if an error
+ occured. *SIZE is set to the size of the file. */
+
+static char *
+pbm_read_file (file, size)
+ Lisp_Object file;
+ int *size;
+{
+ FILE *fp = NULL;
+ char *buf = NULL;
+ struct stat st;
+
+ if (stat (XSTRING (file)->data, &st) == 0
+ && (fp = fopen (XSTRING (file)->data, "r")) != NULL
+ && (buf = (char *) xmalloc (st.st_size),
+ fread (buf, 1, st.st_size, fp) == st.st_size))
+ {
+ *size = st.st_size;
+ fclose (fp);
+ }
+ else
+ {
+ if (fp)
+ fclose (fp);
+ if (buf)
+ {
+ xfree (buf);
+ buf = NULL;
+ }
+ }
+
+ return buf;
+}
+
+
+/* Load PBM image IMG for use on frame F. */
+
+static int
+pbm_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ int raw_p, x, y;
+ int width, height, max_color_idx = 0;
+ XImage *ximg;
+ Lisp_Object file, specified_file;
+ enum {PBM_MONO, PBM_GRAY, PBM_COLOR} type;
+ struct gcpro gcpro1;
+ unsigned char *contents = NULL;
+ unsigned char *end, *p;
+ int size;
+
+ specified_file = image_spec_value (img->spec, QCfile, NULL);
+ file = Qnil;
+ GCPRO1 (file);
+
+ if (STRINGP (specified_file))
+ {
+ file = x_find_image_file (specified_file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file `%s'", specified_file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ contents = pbm_read_file (file, &size);
+ if (contents == NULL)
+ {
+ image_error ("Error reading `%s'", file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ p = contents;
+ end = contents + size;
+ }
+ else
+ {
+ Lisp_Object data;
+ data = image_spec_value (img->spec, QCdata, NULL);
+ p = XSTRING (data)->data;
+ end = p + STRING_BYTES (XSTRING (data));
+ }
+
+ /* Check magic number. */
+ if (end - p < 2 || *p++ != 'P')
+ {
+ image_error ("Not a PBM image: `%s'", img->spec, Qnil);
+ error:
+ xfree (contents);
+ UNGCPRO;
+ return 0;
+ }
+
+ switch (*p++)
+ {
+ case '1':
+ raw_p = 0, type = PBM_MONO;
+ break;
+
+ case '2':
+ raw_p = 0, type = PBM_GRAY;
+ break;
+
+ case '3':
+ raw_p = 0, type = PBM_COLOR;
+ break;
+
+ case '4':
+ raw_p = 1, type = PBM_MONO;
+ break;
+
+ case '5':
+ raw_p = 1, type = PBM_GRAY;
+ break;
+
+ case '6':
+ raw_p = 1, type = PBM_COLOR;
+ break;
+
+ default:
+ image_error ("Not a PBM image: `%s'", img->spec, Qnil);
+ goto error;
+ }
+
+ /* Read width, height, maximum color-component. Characters
+ starting with `#' up to the end of a line are ignored. */
+ width = pbm_scan_number (&p, end);
+ height = pbm_scan_number (&p, end);
+
+ if (type != PBM_MONO)
+ {
+ max_color_idx = pbm_scan_number (&p, end);
+ if (raw_p && max_color_idx > 255)
+ max_color_idx = 255;
+ }
+
+ if (width < 0
+ || height < 0
+ || (type != PBM_MONO && max_color_idx < 0))
+ goto error;
+
+ BLOCK_INPUT;
+ if (!x_create_x_image_and_pixmap (f, width, height, 0,
+ &ximg, &img->pixmap))
+ {
+ UNBLOCK_INPUT;
+ goto error;
+ }
+
+ /* 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 = *p++;
+ g = c & 0x80;
+ c <<= 1;
+ }
+ else
+ g = pbm_scan_number (&p, end);
+
+ 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 ? *p++ : pbm_scan_number (&p, end);
+ else if (raw_p)
+ {
+ r = *p++;
+ g = *p++;
+ b = *p++;
+ }
+ else
+ {
+ r = pbm_scan_number (&p, end);
+ g = pbm_scan_number (&p, end);
+ b = pbm_scan_number (&p, end);
+ }
+
+ if (r < 0 || g < 0 || b < 0)
+ {
+ xfree (ximg->data);
+ ximg->data = NULL;
+ XDestroyImage (ximg);
+ UNBLOCK_INPUT;
+ image_error ("Invalid pixel value in image `%s'",
+ img->spec, Qnil);
+ goto error;
+ }
+
+ /* RGB values are now in the range 0..max_color_idx.
+ Scale this to the range 0..0xffff supported by X. */
+ r = (double) r * 65535 / max_color_idx;
+ g = (double) g * 65535 / max_color_idx;
+ b = (double) b * 65535 / max_color_idx;
+ XPutPixel (ximg, x, y, lookup_rgb_color (f, r, g, b));
+ }
+ }
+
+ /* Store in IMG->colors the colors allocated for the image, and
+ free the color table. */
+ img->colors = colors_in_color_table (&img->ncolors);
+ free_color_table ();
+
+ /* 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;
+ xfree (contents);
+ 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_DATA,
+ 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},
+ {":data", IMAGE_STRING_VALUE, 0},
+ {":file", 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 `png'. */
+
+static struct image_type png_type =
+{
+ &Qpng,
+ png_image_p,
+ png_load,
+ x_clear_image,
+ NULL
+};
+
+
+/* Return non-zero if OBJECT is a valid PNG image specification. */
+
+static int
+png_image_p (object)
+ Lisp_Object object;
+{
+ struct image_keyword fmt[PNG_LAST];
+ bcopy (png_format, fmt, sizeof fmt);
+
+ if (!parse_image_spec (object, fmt, PNG_LAST, Qpng)
+ || (fmt[PNG_ASCENT].count
+ && XFASTINT (fmt[PNG_ASCENT].value) > 100))
+ return 0;
+
+ /* Must specify either the :data or :file keyword. */
+ return fmt[PNG_FILE].count + fmt[PNG_DATA].count == 1;
+}
+
+
+/* Error and warning handlers installed when the PNG library
+ is initialized. */
+
+static void
+my_png_error (png_ptr, msg)
+ png_struct *png_ptr;
+ char *msg;
+{
+ xassert (png_ptr != NULL);
+ image_error ("PNG error: %s", build_string (msg), Qnil);
+ longjmp (png_ptr->jmpbuf, 1);
+}
+
+
+static void
+my_png_warning (png_ptr, msg)
+ png_struct *png_ptr;
+ char *msg;
+{
+ xassert (png_ptr != NULL);
+ image_error ("PNG warning: %s", build_string (msg), Qnil);
+}
+
+/* Memory source for PNG decoding. */
+
+struct png_memory_storage
+{
+ unsigned char *bytes; /* The data */
+ size_t len; /* How big is it? */
+ int index; /* Where are we? */
+};
+
+
+/* Function set as reader function when reading PNG image from memory.
+ PNG_PTR is a pointer to the PNG control structure. Copy LENGTH
+ bytes from the input to DATA. */
+
+static void
+png_read_from_memory (png_ptr, data, length)
+ png_structp png_ptr;
+ png_bytep data;
+ png_size_t length;
+{
+ struct png_memory_storage *tbr
+ = (struct png_memory_storage *) png_get_io_ptr (png_ptr);
+
+ if (length > tbr->len - tbr->index)
+ png_error (png_ptr, "Read error");
+
+ bcopy (tbr->bytes + tbr->index, data, length);
+ tbr->index = tbr->index + length;
+}
+
+/* Load PNG image IMG for use on frame F. Value is non-zero if
+ successful. */
+
+static int
+png_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ Lisp_Object file, specified_file;
+ Lisp_Object specified_data;
+ int x, y, i;
+ XImage *ximg, *mask_img = NULL;
+ struct gcpro gcpro1;
+ png_struct *png_ptr = NULL;
+ png_info *info_ptr = NULL, *end_info = NULL;
+ FILE *fp = NULL;
+ 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;
+ struct png_memory_storage tbr; /* Data to be read */
+
+ /* Find out what file to load. */
+ specified_file = image_spec_value (img->spec, QCfile, NULL);
+ specified_data = image_spec_value (img->spec, QCdata, NULL);
+ file = Qnil;
+ GCPRO1 (file);
+
+ if (NILP (specified_data))
+ {
+ file = x_find_image_file (specified_file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file `%s'", specified_file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Open the image file. */
+ fp = fopen (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;
+ }
+ }
+ else
+ {
+ /* Read from memory. */
+ tbr.bytes = XSTRING (specified_data)->data;
+ tbr.len = STRING_BYTES (XSTRING (specified_data));
+ tbr.index = 0;
+
+ /* Check PNG signature. */
+ if (tbr.len < sizeof sig
+ || !png_check_sig (tbr.bytes, sizeof sig))
+ {
+ image_error ("Not a PNG image: `%s'", img->spec, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Need to skip past the signature. */
+ tbr.bytes += sizeof (sig);
+ }
+
+ /* Initialize read and info structs for PNG lib. */
+ png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL,
+ my_png_error, my_png_warning);
+ if (!png_ptr)
+ {
+ if (fp) fclose (fp);
+ UNGCPRO;
+ return 0;
+ }
+
+ info_ptr = png_create_info_struct (png_ptr);
+ if (!info_ptr)
+ {
+ png_destroy_read_struct (&png_ptr, NULL, NULL);
+ if (fp) fclose (fp);
+ UNGCPRO;
+ return 0;
+ }
+
+ end_info = png_create_info_struct (png_ptr);
+ if (!end_info)
+ {
+ png_destroy_read_struct (&png_ptr, &info_ptr, NULL);
+ if (fp) fclose (fp);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Set error jump-back. We come back here when the PNG library
+ detects an error. */
+ if (setjmp (png_ptr->jmpbuf))
+ {
+ error:
+ if (png_ptr)
+ png_destroy_read_struct (&png_ptr, &info_ptr, &end_info);
+ xfree (pixels);
+ xfree (rows);
+ if (fp) fclose (fp);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Read image info. */
+ if (!NILP (specified_data))
+ png_set_read_fn (png_ptr, (void *) &tbr, png_read_from_memory);
+ else
+ png_init_io (png_ptr, fp);
+
+ png_set_sig_bytes (png_ptr, sizeof sig);
+ png_read_info (png_ptr, info_ptr);
+ png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
+ &interlace_type, NULL, NULL);
+
+ /* If image contains simply transparency data, we prefer to
+ construct a clipping mask. */
+ if (png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS))
+ transparent_p = 1;
+ else
+ transparent_p = 0;
+
+ /* This function is easier to write if we only have to handle
+ one data format: RGB or RGBA with 8 bits per channel. Let's
+ transform other formats into that format. */
+
+ /* Strip more than 8 bits per channel. */
+ if (bit_depth == 16)
+ png_set_strip_16 (png_ptr);
+
+ /* Expand data to 24 bit RGB, or 8 bit grayscale, with alpha channel
+ if available. */
+ png_set_expand (png_ptr);
+
+ /* Convert grayscale images to RGB. */
+ if (color_type == PNG_COLOR_TYPE_GRAY
+ || color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
+ png_set_gray_to_rgb (png_ptr);
+
+ /* 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 defined(PNG_READ_sRGB_SUPPORTED) || defined(PNG_WRITE_sRGB_SUPPORTED)
+ 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
+#endif
+ if (png_get_gAMA (png_ptr, info_ptr, &image_gamma))
+ /* Image contains gamma information. */
+ png_set_gamma (png_ptr, screen_gamma, image_gamma);
+ else
+ /* Use 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 = FRAME_X_COLORMAP (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);
+ if (fp)
+ {
+ fclose (fp);
+ fp = NULL;
+ }
+
+ BLOCK_INPUT;
+
+ /* Create the X image and pixmap. */
+ if (!x_create_x_image_and_pixmap (f, 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, 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
+
+/* Work around a warning about HAVE_STDLIB_H being redefined in
+ jconfig.h. */
+#ifdef HAVE_STDLIB_H
+#define HAVE_STDLIB_H_1
+#undef HAVE_STDLIB_H
+#endif /* HAVE_STLIB_H */
+
+#include <jpeglib.h>
+#include <jerror.h>
+#include <setjmp.h>
+
+#ifdef HAVE_STLIB_H_1
+#define HAVE_STDLIB_H 1
+#endif
+
+static int jpeg_image_p P_ ((Lisp_Object object));
+static int jpeg_load P_ ((struct frame *f, struct image *img));
+
+/* The symbol `jpeg' identifying images of this type. */
+
+Lisp_Object Qjpeg;
+
+/* Indices of image specification fields in gs_format, below. */
+
+enum jpeg_keyword_index
+{
+ JPEG_TYPE,
+ JPEG_DATA,
+ JPEG_FILE,
+ JPEG_ASCENT,
+ JPEG_MARGIN,
+ JPEG_RELIEF,
+ JPEG_ALGORITHM,
+ JPEG_HEURISTIC_MASK,
+ JPEG_LAST
+};
+
+/* Vector of image_keyword structures describing the format
+ of valid user-defined image specifications. */
+
+static struct image_keyword jpeg_format[JPEG_LAST] =
+{
+ {":type", IMAGE_SYMBOL_VALUE, 1},
+ {":data", IMAGE_STRING_VALUE, 0},
+ {":file", IMAGE_STRING_VALUE, 0},
+ {":ascent", IMAGE_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)
+ || (fmt[JPEG_ASCENT].count
+ && XFASTINT (fmt[JPEG_ASCENT].value) > 100))
+ return 0;
+
+ /* Must specify either the :data or :file keyword. */
+ return fmt[JPEG_FILE].count + fmt[JPEG_DATA].count == 1;
+}
+
+
+struct my_jpeg_error_mgr
+{
+ struct jpeg_error_mgr pub;
+ jmp_buf setjmp_buffer;
+};
+
+static void
+my_error_exit (cinfo)
+ j_common_ptr cinfo;
+{
+ struct my_jpeg_error_mgr *mgr = (struct my_jpeg_error_mgr *) cinfo->err;
+ longjmp (mgr->setjmp_buffer, 1);
+}
+
+/* Init source method for JPEG data source manager. Called by
+ jpeg_read_header() before any data is actually read. See
+ libjpeg.doc from the JPEG lib distribution. */
+
+static void
+our_init_source (cinfo)
+ j_decompress_ptr cinfo;
+{
+}
+
+
+/* Fill input buffer method for JPEG data source manager. Called
+ whenever more data is needed. We read the whole image in one step,
+ so this only adds a fake end of input marker at the end. */
+
+static boolean
+our_fill_input_buffer (cinfo)
+ j_decompress_ptr cinfo;
+{
+ /* Insert a fake EOI marker. */
+ struct jpeg_source_mgr *src = cinfo->src;
+ static JOCTET buffer[2];
+
+ buffer[0] = (JOCTET) 0xFF;
+ buffer[1] = (JOCTET) JPEG_EOI;
+
+ src->next_input_byte = buffer;
+ src->bytes_in_buffer = 2;
+ return TRUE;
+}
+
+
+/* Method to skip over NUM_BYTES bytes in the image data. CINFO->src
+ is the JPEG data source manager. */
+
+static void
+our_skip_input_data (cinfo, num_bytes)
+ j_decompress_ptr cinfo;
+ long num_bytes;
+{
+ struct jpeg_source_mgr *src = (struct jpeg_source_mgr *) cinfo->src;
+
+ if (src)
+ {
+ if (num_bytes > src->bytes_in_buffer)
+ ERREXIT (cinfo, JERR_INPUT_EOF);
+
+ src->bytes_in_buffer -= num_bytes;
+ src->next_input_byte += num_bytes;
+ }
+}
+
+
+/* Method to terminate data source. Called by
+ jpeg_finish_decompress() after all data has been processed. */
+
+static void
+our_term_source (cinfo)
+ j_decompress_ptr cinfo;
+{
+}
+
+
+/* Set up the JPEG lib for reading an image from DATA which contains
+ LEN bytes. CINFO is the decompression info structure created for
+ reading the image. */
+
+static void
+jpeg_memory_src (cinfo, data, len)
+ j_decompress_ptr cinfo;
+ JOCTET *data;
+ unsigned int len;
+{
+ struct jpeg_source_mgr *src;
+
+ if (cinfo->src == NULL)
+ {
+ /* First time for this JPEG object? */
+ cinfo->src = (struct jpeg_source_mgr *)
+ (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT,
+ sizeof (struct jpeg_source_mgr));
+ src = (struct jpeg_source_mgr *) cinfo->src;
+ src->next_input_byte = data;
+ }
+
+ src = (struct jpeg_source_mgr *) cinfo->src;
+ src->init_source = our_init_source;
+ src->fill_input_buffer = our_fill_input_buffer;
+ src->skip_input_data = our_skip_input_data;
+ src->resync_to_restart = jpeg_resync_to_restart; /* Use default method. */
+ src->term_source = our_term_source;
+ src->bytes_in_buffer = len;
+ src->next_input_byte = data;
+}
+
+
+/* Load image IMG for use on frame F. Patterned after example.c
+ from the JPEG lib. */
+
+static int
+jpeg_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ struct jpeg_decompress_struct cinfo;
+ struct my_jpeg_error_mgr mgr;
+ Lisp_Object file, specified_file;
+ Lisp_Object specified_data;
+ FILE *fp = NULL;
+ JSAMPARRAY buffer;
+ int row_stride, x, y;
+ XImage *ximg = NULL;
+ int rc;
+ unsigned long *colors;
+ int width, height;
+ struct gcpro gcpro1;
+
+ /* Open the JPEG file. */
+ specified_file = image_spec_value (img->spec, QCfile, NULL);
+ specified_data = image_spec_value (img->spec, QCdata, NULL);
+ file = Qnil;
+ GCPRO1 (file);
+
+ if (NILP (specified_data))
+ {
+ file = x_find_image_file (specified_file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file `%s'", specified_file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ fp = fopen (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 image `%s': %s", img->spec,
+ build_string (buffer));
+ }
+
+ /* Close the input file and destroy the JPEG object. */
+ if (fp)
+ 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);
+
+ if (NILP (specified_data))
+ jpeg_stdio_src (&cinfo, fp);
+ else
+ jpeg_memory_src (&cinfo, XSTRING (specified_data)->data,
+ STRING_BYTES (XSTRING (specified_data)));
+
+ jpeg_read_header (&cinfo, TRUE);
+
+ /* Customize decompression so that color quantization will be used.
+ Start decompression. */
+ cinfo.quantize_colors = TRUE;
+ jpeg_start_decompress (&cinfo);
+ width = img->width = cinfo.output_width;
+ height = img->height = cinfo.output_height;
+
+ BLOCK_INPUT;
+
+ /* Create X image and pixmap. */
+ if (!x_create_x_image_and_pixmap (f, 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);
+ if (fp)
+ 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 <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_DATA,
+ 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},
+ {":data", IMAGE_STRING_VALUE, 0},
+ {":file", 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 `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)
+ || (fmt[TIFF_ASCENT].count
+ && XFASTINT (fmt[TIFF_ASCENT].value) > 100))
+ return 0;
+
+ /* Must specify either the :data or :file keyword. */
+ return fmt[TIFF_FILE].count + fmt[TIFF_DATA].count == 1;
+}
+
+
+/* Reading from a memory buffer for TIFF images Based on the PNG
+ memory source, but we have to provide a lot of extra functions.
+ Blah.
+
+ We really only need to implement read and seek, but I am not
+ convinced that the TIFF library is smart enough not to destroy
+ itself if we only hand it the function pointers we need to
+ override. */
+
+typedef struct
+{
+ unsigned char *bytes;
+ size_t len;
+ int index;
+}
+tiff_memory_source;
+
+static size_t
+tiff_read_from_memory (data, buf, size)
+ thandle_t data;
+ tdata_t buf;
+ tsize_t size;
+{
+ tiff_memory_source *src = (tiff_memory_source *) data;
+
+ if (size > src->len - src->index)
+ return (size_t) -1;
+ bcopy (src->bytes + src->index, buf, size);
+ src->index += size;
+ return size;
+}
+
+static size_t
+tiff_write_from_memory (data, buf, size)
+ thandle_t data;
+ tdata_t buf;
+ tsize_t size;
+{
+ return (size_t) -1;
+}
+
+static toff_t
+tiff_seek_in_memory (data, off, whence)
+ thandle_t data;
+ toff_t off;
+ int whence;
+{
+ tiff_memory_source *src = (tiff_memory_source *) data;
+ int idx;
+
+ switch (whence)
+ {
+ case SEEK_SET: /* Go from beginning of source. */
+ idx = off;
+ break;
+
+ case SEEK_END: /* Go from end of source. */
+ idx = src->len + off;
+ break;
+
+ case SEEK_CUR: /* Go from current position. */
+ idx = src->index + off;
+ break;
+
+ default: /* Invalid `whence'. */
+ return -1;
+ }
+
+ if (idx > src->len || idx < 0)
+ return -1;
+
+ src->index = idx;
+ return src->index;
+}
+
+static int
+tiff_close_memory (data)
+ thandle_t data;
+{
+ /* NOOP */
+ return 0;
+}
+
+static int
+tiff_mmap_memory (data, pbase, psize)
+ thandle_t data;
+ tdata_t *pbase;
+ toff_t *psize;
+{
+ /* It is already _IN_ memory. */
+ return 0;
+}
+
+static void
+tiff_unmap_memory (data, base, size)
+ thandle_t data;
+ tdata_t base;
+ toff_t size;
+{
+ /* We don't need to do this. */
+}
+
+static toff_t
+tiff_size_of_memory (data)
+ thandle_t data;
+{
+ return ((tiff_memory_source *) data)->len;
+}
+
+/* Load TIFF image IMG for use on frame F. Value is non-zero if
+ successful. */
+
+static int
+tiff_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ Lisp_Object file, specified_file;
+ Lisp_Object specified_data;
+ TIFF *tiff;
+ int width, height, x, y;
+ uint32 *buf;
+ int rc;
+ XImage *ximg;
+ struct gcpro gcpro1;
+ tiff_memory_source memsrc;
+
+ specified_file = image_spec_value (img->spec, QCfile, NULL);
+ specified_data = image_spec_value (img->spec, QCdata, NULL);
+ file = Qnil;
+ GCPRO1 (file);
+
+ if (NILP (specified_data))
+ {
+ /* Read from a file */
+ file = x_find_image_file (specified_file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file `%s'", file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Try to open the image file. */
+ tiff = TIFFOpen (XSTRING (file)->data, "r");
+ if (tiff == NULL)
+ {
+ image_error ("Cannot open `%s'", file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+ }
+ else
+ {
+ /* Memory source! */
+ memsrc.bytes = XSTRING (specified_data)->data;
+ memsrc.len = STRING_BYTES (XSTRING (specified_data));
+ memsrc.index = 0;
+
+ tiff = TIFFClientOpen ("memory_source", "r", &memsrc,
+ (TIFFReadWriteProc) tiff_read_from_memory,
+ (TIFFReadWriteProc) tiff_write_from_memory,
+ tiff_seek_in_memory,
+ tiff_close_memory,
+ tiff_size_of_memory,
+ tiff_mmap_memory,
+ tiff_unmap_memory);
+
+ if (!tiff)
+ {
+ image_error ("Cannot open memory source for `%s'", img->spec, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+ }
+
+ /* Get width and height of the image, and allocate a raster buffer
+ of width x height 32-bit values. */
+ TIFFGetField (tiff, TIFFTAG_IMAGEWIDTH, &width);
+ TIFFGetField (tiff, TIFFTAG_IMAGELENGTH, &height);
+ buf = (uint32 *) xmalloc (width * height * sizeof *buf);
+
+ rc = TIFFReadRGBAImage (tiff, width, height, buf, 0);
+ TIFFClose (tiff);
+ if (!rc)
+ {
+ image_error ("Error reading TIFF image `%s'", img->spec, Qnil);
+ xfree (buf);
+ UNGCPRO;
+ return 0;
+ }
+
+ BLOCK_INPUT;
+
+ /* Create the X image and pixmap. */
+ if (!x_create_x_image_and_pixmap (f, 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_DATA,
+ 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},
+ {":data", IMAGE_STRING_VALUE, 0},
+ {":file", 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},
+ {":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)
+ || (fmt[GIF_ASCENT].count
+ && XFASTINT (fmt[GIF_ASCENT].value) > 100))
+ return 0;
+
+ /* Must specify either the :data or :file keyword. */
+ return fmt[GIF_FILE].count + fmt[GIF_DATA].count == 1;
+}
+
+/* Reading a GIF image from memory
+ Based on the PNG memory stuff to a certain extent. */
+
+typedef struct
+{
+ unsigned char *bytes;
+ size_t len;
+ int index;
+}
+gif_memory_source;
+
+/* Make the current memory source available to gif_read_from_memory.
+ It's done this way because not all versions of libungif support
+ a UserData field in the GifFileType structure. */
+static gif_memory_source *current_gif_memory_src;
+
+static int
+gif_read_from_memory (file, buf, len)
+ GifFileType *file;
+ GifByteType *buf;
+ int len;
+{
+ gif_memory_source *src = current_gif_memory_src;
+
+ if (len > src->len - src->index)
+ return -1;
+
+ bcopy (src->bytes + src->index, buf, len);
+ src->index += len;
+ return len;
+}
+
+
+/* Load GIF image IMG for use on frame F. Value is non-zero if
+ successful. */
+
+static int
+gif_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ Lisp_Object file, specified_file;
+ Lisp_Object specified_data;
+ int rc, width, height, x, y, i;
+ XImage *ximg;
+ ColorMapObject *gif_color_map;
+ unsigned long pixel_colors[256];
+ GifFileType *gif;
+ struct gcpro gcpro1;
+ Lisp_Object image;
+ int ino, image_left, image_top, image_width, image_height;
+ gif_memory_source memsrc;
+ unsigned char *raster;
+
+ specified_file = image_spec_value (img->spec, QCfile, NULL);
+ specified_data = image_spec_value (img->spec, QCdata, NULL);
+ file = Qnil;
+ GCPRO1 (file);
+
+ if (NILP (specified_data))
+ {
+ file = x_find_image_file (specified_file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file `%s'", specified_file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Open the GIF file. */
+ gif = DGifOpenFileName (XSTRING (file)->data);
+ if (gif == NULL)
+ {
+ image_error ("Cannot open `%s'", file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+ }
+ else
+ {
+ /* Read from memory! */
+ current_gif_memory_src = &memsrc;
+ memsrc.bytes = XSTRING (specified_data)->data;
+ memsrc.len = STRING_BYTES (XSTRING (specified_data));
+ memsrc.index = 0;
+
+ gif = DGifOpen(&memsrc, gif_read_from_memory);
+ if (!gif)
+ {
+ image_error ("Cannot open memory source `%s'", img->spec, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+ }
+
+ /* Read entire contents. */
+ rc = DGifSlurp (gif);
+ if (rc == GIF_ERROR)
+ {
+ image_error ("Error reading `%s'", img->spec, Qnil);
+ DGifCloseFile (gif);
+ UNGCPRO;
+ return 0;
+ }
+
+ image = image_spec_value (img->spec, QCindex, NULL);
+ ino = INTEGERP (image) ? XFASTINT (image) : 0;
+ if (ino >= gif->ImageCount)
+ {
+ image_error ("Invalid image number `%s' in image `%s'",
+ image, img->spec);
+ DGifCloseFile (gif);
+ UNGCPRO;
+ return 0;
+ }
+
+ width = img->width = gif->SWidth;
+ height = img->height = gif->SHeight;
+
+ BLOCK_INPUT;
+
+ /* Create the X image and pixmap. */
+ if (!x_create_x_image_and_pixmap (f, 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. We use a local variable
+ `raster' here because RasterBits below is a char *, and invites
+ problems with bytes >= 0x80. */
+ raster = (unsigned char *) gif->SavedImages[ino].RasterBits;
+
+ if (gif->SavedImages[ino].ImageDesc.Interlace)
+ {
+ static int interlace_start[] = {0, 4, 2, 1};
+ static int interlace_increment[] = {8, 8, 4, 2};
+ int pass, inc;
+ int row = interlace_start[0];
+
+ pass = 0;
+
+ for (y = 0; y < image_height; y++)
+ {
+ if (row >= image_height)
+ {
+ row = interlace_start[++pass];
+ while (row >= image_height)
+ row = interlace_start[++pass];
+ }
+
+ for (x = 0; x < image_width; x++)
+ {
+ int i = raster[(y * image_width) + x];
+ XPutPixel (ximg, x + image_left, row + image_top,
+ pixel_colors[i]);
+ }
+
+ row += interlace_increment[pass];
+ }
+ }
+ else
+ {
+ for (y = 0; y < image_height; ++y)
+ for (x = 0; x < image_width; ++x)
+ {
+ int i = raster[y * image_width + x];
+ XPutPixel (ximg, x + image_left, y + image_top, pixel_colors[i]);
+ }
+ }
+
+ DGifCloseFile (gif);
+
+ /* 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 `postscript' identifying images of this type. */
+
+Lisp_Object Qpostscript;
+
+/* Keyword symbols. */
+
+Lisp_Object QCloader, QCbounding_box, QCpt_width, QCpt_height;
+
+/* Indices of image specification fields in gs_format, below. */
+
+enum gs_keyword_index
+{
+ GS_TYPE,
+ GS_PT_WIDTH,
+ GS_PT_HEIGHT,
+ GS_FILE,
+ GS_LOADER,
+ GS_BOUNDING_BOX,
+ GS_ASCENT,
+ GS_MARGIN,
+ GS_RELIEF,
+ GS_ALGORITHM,
+ GS_HEURISTIC_MASK,
+ GS_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 =
+{
+ &Qpostscript,
+ gs_image_p,
+ gs_load,
+ gs_clear_image,
+ NULL
+};
+
+
+/* Free X resources of Ghostscript image IMG which is used on frame F. */
+
+static void
+gs_clear_image (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ /* IMG->data.ptr_val may contain a recorded colormap. */
+ xfree (img->data.ptr_val);
+ x_clear_image (f, img);
+}
+
+
+/* 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, Qpostscript)
+ || (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'", img->spec, Qnil);
+ return 0;
+ }
+
+ /* Call the loader to fill the pixmap. It returns a process object
+ if successful. We do not record_unwind_protect here because
+ other places in redisplay like calling window scroll functions
+ don't either. Let the Lisp loader use `unwind-protect' instead. */
+ GCPRO2 (window_and_pixmap_id, pixel_colors);
+
+ sprintf (buffer, "%lu %lu",
+ (unsigned long) FRAME_X_WINDOW (f),
+ (unsigned long) img->pixmap);
+ window_and_pixmap_id = build_string (buffer);
+
+ 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)
+ x_free_colors (f, img->colors, img->ncolors);
+#endif
+ }
+ else
+ image_error ("Cannot get X image of `%s'; colors will not be freed",
+ img->spec, Qnil);
+
+ 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
+ ***********************************************************************/
+
+/* If non-null, an asynchronous timer that, when it expires, displays
+ a busy cursor on all frames. */
+
+static struct atimer *busy_cursor_atimer;
+
+/* Non-zero means a busy cursor is currently shown. */
+
+static int busy_cursor_shown_p;
+
+/* Number of seconds to wait before displaying a busy cursor. */
+
+static Lisp_Object Vbusy_cursor_delay;
+
+/* Default number of seconds to wait before displaying a busy
+ cursor. */
+
+#define DEFAULT_BUSY_CURSOR_DELAY 1
+
+/* Function prototypes. */
+
+static void show_busy_cursor P_ ((struct atimer *));
+static void hide_busy_cursor P_ ((void));
+
+
+/* Cancel a currently active busy-cursor timer, and start a new one. */
+
+void
+start_busy_cursor ()
+{
+ EMACS_TIME delay;
+ int secs, usecs = 0;
+
+ cancel_busy_cursor ();
+
+ if (INTEGERP (Vbusy_cursor_delay)
+ && XINT (Vbusy_cursor_delay) > 0)
+ secs = XFASTINT (Vbusy_cursor_delay);
+ else if (FLOATP (Vbusy_cursor_delay)
+ && XFLOAT_DATA (Vbusy_cursor_delay) > 0)
+ {
+ Lisp_Object tem;
+ tem = Ftruncate (Vbusy_cursor_delay, Qnil);
+ secs = XFASTINT (tem);
+ usecs = (XFLOAT_DATA (Vbusy_cursor_delay) - secs) * 1000000;
+ }
+ else
+ secs = DEFAULT_BUSY_CURSOR_DELAY;
+
+ EMACS_SET_SECS_USECS (delay, secs, usecs);
+ busy_cursor_atimer = start_atimer (ATIMER_RELATIVE, delay,
+ show_busy_cursor, NULL);
+}
+
+
+/* Cancel the busy cursor timer if active, hide a busy cursor if
+ shown. */
+
+void
+cancel_busy_cursor ()
+{
+ if (busy_cursor_atimer)
+ {
+ cancel_atimer (busy_cursor_atimer);
+ busy_cursor_atimer = NULL;
+ }
+
+ if (busy_cursor_shown_p)
+ hide_busy_cursor ();
+}
+
+
+/* Timer function of busy_cursor_atimer. TIMER is equal to
+ busy_cursor_atimer.
+
+ Display a busy cursor on all frames by mapping the frames'
+ busy_window. Set the busy_p flag in the frames' output_data.x
+ structure to indicate that a busy cursor is shown on the
+ frames. */
+
+static void
+show_busy_cursor (timer)
+ struct atimer *timer;
+{
+ /* The timer implementation will cancel this timer automatically
+ after this function has run. Set busy_cursor_atimer to null
+ so that we know the timer doesn't have to be canceled. */
+ busy_cursor_atimer = NULL;
+
+ if (!busy_cursor_shown_p)
+ {
+ Lisp_Object rest, frame;
+
+ BLOCK_INPUT;
+
+ FOR_EACH_FRAME (rest, frame)
+ if (FRAME_X_P (XFRAME (frame)))
+ {
+ struct frame *f = XFRAME (frame);
+
+ 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);
+ XFlush (FRAME_X_DISPLAY (f));
+ }
+
+ busy_cursor_shown_p = 1;
+ UNBLOCK_INPUT;
+ }
+}
+
+
+/* Hide the busy cursor on all frames, if it is currently shown. */
+
+static void
+hide_busy_cursor ()
+{
+ if (busy_cursor_shown_p)
+ {
+ Lisp_Object rest, frame;
+
+ BLOCK_INPUT;
+ 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)
+ {
+ 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);
+ f->output_data.x->busy_p = 0;
+ }
+ }
+
+ busy_cursor_shown_p = 0;
+ UNBLOCK_INPUT;
+ }
+}
+
+
+\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;
+ long window_prompting = 0;
+ int width, height;
+ int count = specpdl_ptr - specpdl;
+ struct gcpro gcpro1, gcpro2, gcpro3;
+ 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 = XCDR (tem))
+ fs_register_fontset (f, XCAR (tem));
+
+ /* 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 look at the override-redirect flag to determine
+ whether or net to give windows a decoration (Xlib spec, chapter
+ 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, 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 STRING in a \"tooltip\" window on frame FRAME.\n\
+A tooltip window is a small X window displaying STRING at\n\
+the current mouse position.\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, timeout;
+{
+ struct frame *f;
+ struct window *w;
+ Window root, child;
+ 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, gcpro4;
+ int old_windows_or_buffers_changed = windows_or_buffers_changed;
+ int count = specpdl_ptr - specpdl;
+
+ specbind (Qinhibit_redisplay, Qt);
+
+ GCPRO4 (string, parms, frame, timeout);
+
+ 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"));
+
+ UNGCPRO;
+ return unbind_to (count, Qnil);
+}
+
+
+DEFUN ("x-hide-tip", Fx_hide_tip, Sx_hide_tip, 0, 0, 0,
+ "Hide the current tooltip window, 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);
+ Qscroll_bar_foreground = intern ("scroll-bar-foreground");
+ staticpro (&Qscroll_bar_foreground);
+ Qscroll_bar_background = intern ("scroll-bar-background");
+ staticpro (&Qscroll_bar_background);
+ Qscreen_gamma = intern ("screen-gamma");
+ staticpro (&Qscreen_gamma);
+ /* This is the end of symbol initialization. */
+
+ /* Text property `display' should be nonsticky by default. */
+ Vtext_property_default_nonsticky
+ = Fcons (Fcons (Qdisplay, Qt), Vtext_property_default_nonsticky);
+
+
+ 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 ();
+
+ DEFVAR_LISP ("x-bitmap-file-path", &Vx_bitmap_file_path,
+ "List of directories to search for bitmap files for X.");
+ Vx_bitmap_file_path = decode_env_path ((char *) 0, PATH_BITMAPS);
+
+ DEFVAR_LISP ("x-pointer-shape", &Vx_pointer_shape,
+ "The shape of the pointer when over text.\n\
+Changing the value does not affect existing frames\n\
+unless you set the mouse color.");
+ Vx_pointer_shape = Qnil;
+
+ DEFVAR_LISP ("x-resource-name", &Vx_resource_name,
+ "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.\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_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;
+
+ DEFVAR_LISP ("busy-cursor-delay", &Vbusy_cursor_delay,
+ "*Seconds to wait before displaying a busy-cursor.\n\
+Value must be an integer or float.");
+ Vbusy_cursor_delay = make_number (DEFAULT_BUSY_CURSOR_DELAY);
+
#if 0 /* This doesn't really do anything. */
DEFVAR_LISP ("x-mode-pointer-shape", &Vx_mode_pointer_shape,
"The shape of the pointer when over the mode line.\n\
&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 which this regexp maches from\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-cache-eviction-delay", &Vimage_cache_eviction_delay,
+ "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_cache_eviction_delay = 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 (&Sxw_display_color_p);
defsubr (&Sx_display_grayscale_p);
- defsubr (&Sx_color_defined_p);
- defsubr (&Sx_color_values);
+ defsubr (&Sxw_color_defined_p);
+ defsubr (&Sxw_color_values);
defsubr (&Sx_server_max_request_size);
defsubr (&Sx_server_vendor);
defsubr (&Sx_server_version);
/* 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);
+ QCalgorithm = intern (":algorithm");
+ staticpro (&QCalgorithm);
+ QCheuristic_mask = intern (":heuristic-mask");
+ staticpro (&QCheuristic_mask);
+ QCcolor_symbols = intern (":color-symbols");
+ staticpro (&QCcolor_symbols);
+ QCascent = intern (":ascent");
+ staticpro (&QCascent);
+ QCmargin = intern (":margin");
+ staticpro (&QCmargin);
+ QCrelief = intern (":relief");
+ staticpro (&QCrelief);
+ Qpostscript = intern ("postscript");
+ staticpro (&Qpostscript);
+ QCloader = intern (":loader");
+ staticpro (&QCloader);
+ QCbounding_box = intern (":bounding-box");
+ staticpro (&QCbounding_box);
+ QCpt_width = intern (":pt-width");
+ staticpro (&QCpt_width);
+ QCpt_height = intern (":pt-height");
+ staticpro (&QCpt_height);
+ QCindex = intern (":index");
+ staticpro (&QCindex);
+ Qpbm = intern ("pbm");
+ staticpro (&Qpbm);
+
+#if HAVE_XPM
+ Qxpm = intern ("xpm");
+ staticpro (&Qxpm);
+#endif
+
+#if HAVE_JPEG
+ Qjpeg = intern ("jpeg");
+ staticpro (&Qjpeg);
+#endif
+
+#if HAVE_TIFF
+ Qtiff = intern ("tiff");
+ staticpro (&Qtiff);
+#endif
+
+#if HAVE_GIF
+ Qgif = intern ("gif");
+ staticpro (&Qgif);
+#endif
+
+#if HAVE_PNG
+ Qpng = intern ("png");
+ staticpro (&Qpng);
+#endif
+
+ defsubr (&Sclear_image_cache);
+
+#if GLYPH_DEBUG
+ defsubr (&Simagep);
+ defsubr (&Slookup_image);
+#endif
+
+ busy_cursor_atimer = NULL;
+ busy_cursor_shown_p = 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 */
HCoop / bpt / emacs.git / blobdiff