/* Graphical user interface functions for the Microsoft W32 API.
- Copyright (C) 1989, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
+ Copyright (C) 1989, 92, 93, 94, 95, 1996, 1997, 1998, 1999, 2000, 2001
+ Free Software Foundation, Inc.
This file is part of GNU Emacs.
/* Added by Kevin Gallo */
-#include <signal.h>
#include <config.h>
+
+#include <signal.h>
#include <stdio.h>
+#include <limits.h>
+#include <errno.h>
#include "lisp.h"
+#include "charset.h"
+#include "dispextern.h"
#include "w32term.h"
+#include "keyboard.h"
#include "frame.h"
#include "window.h"
#include "buffer.h"
-#include "dispextern.h"
-#include "keyboard.h"
+#include "fontset.h"
+#include "intervals.h"
#include "blockinput.h"
-#include "paths.h"
+#include "epaths.h"
#include "w32heap.h"
#include "termhooks.h"
+#include "coding.h"
+#include "ccl.h"
+#include "systime.h"
+
+#include "bitmaps/gray.xbm"
#include <commdlg.h>
+#include <shellapi.h>
+#include <ctype.h>
+
+#define max(a, b) ((a) > (b) ? (a) : (b))
-extern void abort ();
extern void free_frame_menubar ();
-extern struct scroll_bar *x_window_to_scroll_bar ();
+extern double atof ();
+extern int w32_console_toggle_lock_key (int vk_code, Lisp_Object new_state);
extern int quit_char;
+/* A definition of XColor for non-X frames. */
+#ifndef HAVE_X_WINDOWS
+typedef struct {
+ unsigned long pixel;
+ unsigned short red, green, blue;
+ char flags;
+ char pad;
+} XColor;
+#endif
+
+extern char *lispy_function_keys[];
+
+/* The gray bitmap `bitmaps/gray'. This is done because w32term.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 colormap for converting color names to RGB values */
Lisp_Object Vw32_color_map;
to alt_modifier. */
Lisp_Object Vw32_alt_is_meta;
-/* Non nil if left window, right window, and application key events
- are passed on to Windows. */
-Lisp_Object Vw32_pass_optional_keys_to_system;
+/* If non-zero, the windows virtual key code for an alternative quit key. */
+Lisp_Object Vw32_quit_key;
+
+/* Non nil if left window key events are passed on to Windows (this only
+ affects whether "tapping" the key opens the Start menu). */
+Lisp_Object Vw32_pass_lwindow_to_system;
-/* Switch to control whether we inhibit requests for italicised fonts (which
- are synthesized, look ugly, and are trashed by cursor movement under NT). */
-Lisp_Object Vw32_enable_italics;
+/* Non nil if right window key events are passed on to Windows (this
+ only affects whether "tapping" the key opens the Start menu). */
+Lisp_Object Vw32_pass_rwindow_to_system;
+
+/* Virtual key code used to generate "phantom" key presses in order
+ to stop system from acting on Windows key events. */
+Lisp_Object Vw32_phantom_key_code;
+
+/* Modifier associated with the left "Windows" key, or nil to act as a
+ normal key. */
+Lisp_Object Vw32_lwindow_modifier;
+
+/* Modifier associated with the right "Windows" key, or nil to act as a
+ normal key. */
+Lisp_Object Vw32_rwindow_modifier;
+
+/* Modifier associated with the "Apps" key, or nil to act as a normal
+ key. */
+Lisp_Object Vw32_apps_modifier;
+
+/* Value is nil if Num Lock acts as a function key. */
+Lisp_Object Vw32_enable_num_lock;
+
+/* Value is nil if Caps Lock acts as a function key. */
+Lisp_Object Vw32_enable_caps_lock;
+
+/* Modifier associated with Scroll Lock, or nil to act as a normal key. */
+Lisp_Object Vw32_scroll_lock_modifier;
+
+/* Switch to control whether we inhibit requests for synthesized bold
+ and italic versions of fonts. */
+Lisp_Object Vw32_enable_synthesized_fonts;
/* Enable palette management. */
Lisp_Object Vw32_enable_palette;
/* Non nil if no window manager is in use. */
Lisp_Object Vx_no_window_manager;
+/* Non-zero means we're allowed to display a hourglass pointer. */
+
+int display_hourglass_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_hourglass_pointer_shape, Vx_window_horizontal_drag_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 Windows. */
+
+static int w32_in_use;
+
/* Search path for bitmap files. */
+
Lisp_Object Vx_bitmap_file_path;
-/* Evaluate this expression to rebuild the section of syms_of_w32fns
- that initializes and staticpros the symbols declared below. Note
- that Emacs 18 has a bug that keeps C-x C-e from being able to
- evaluate this expression.
-
-(progn
- ;; Accumulate a list of the symbols we want to initialize from the
- ;; declarations at the top of the file.
- (goto-char (point-min))
- (search-forward "/\*&&& symbols declared here &&&*\/\n")
- (let (symbol-list)
- (while (looking-at "Lisp_Object \\(Q[a-z_]+\\)")
- (setq symbol-list
- (cons (buffer-substring (match-beginning 1) (match-end 1))
- symbol-list))
- (forward-line 1))
- (setq symbol-list (nreverse symbol-list))
- ;; Delete the section of syms_of_... where we initialize the symbols.
- (search-forward "\n /\*&&& init symbols here &&&*\/\n")
- (let ((start (point)))
- (while (looking-at "^ Q")
- (forward-line 2))
- (kill-region start (point)))
- ;; Write a new symbol initialization section.
- (while symbol-list
- (insert (format " %s = intern (\"" (car symbol-list)))
- (let ((start (point)))
- (insert (substring (car symbol-list) 1))
- (subst-char-in-region start (point) ?_ ?-))
- (insert (format "\");\n staticpro (&%s);\n" (car symbol-list)))
- (setq symbol-list (cdr symbol-list)))))
-
- */
-
-/*&&& symbols declared here &&&*/
+/* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. */
+
+Lisp_Object Vx_pixel_size_width_font_regexp;
+
+/* Alist of bdf fonts and the files that define them. */
+Lisp_Object Vw32_bdf_filename_alist;
+
+Lisp_Object Vw32_system_coding_system;
+
+/* A flag to control whether fonts are matched strictly or not. */
+int w32_strict_fontnames;
+
+/* A flag to control whether we should only repaint if GetUpdateRect
+ indicates there is an update region. */
+int w32_strict_painting;
+
+/* Associative list linking character set strings to Windows codepages. */
+Lisp_Object Vw32_charset_info_alist;
+
+/* VIETNAMESE_CHARSET is not defined in some versions of MSVC. */
+#ifndef VIETNAMESE_CHARSET
+#define VIETNAMESE_CHARSET 163
+#endif
+
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 Qparent_id;
Lisp_Object Qscroll_bar_width;
Lisp_Object Qsuppress_icon;
-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;
+Lisp_Object Qscreen_gamma;
+Lisp_Object Qline_spacing;
+Lisp_Object Qcenter;
+Lisp_Object Qcancel_timer;
+Lisp_Object Qhyper;
+Lisp_Object Qsuper;
+Lisp_Object Qmeta;
+Lisp_Object Qalt;
+Lisp_Object Qctrl;
+Lisp_Object Qcontrol;
+Lisp_Object Qshift;
+
+Lisp_Object Qw32_charset_ansi;
+Lisp_Object Qw32_charset_default;
+Lisp_Object Qw32_charset_symbol;
+Lisp_Object Qw32_charset_shiftjis;
+Lisp_Object Qw32_charset_hangeul;
+Lisp_Object Qw32_charset_gb2312;
+Lisp_Object Qw32_charset_chinesebig5;
+Lisp_Object Qw32_charset_oem;
+
+#ifndef JOHAB_CHARSET
+#define JOHAB_CHARSET 130
+#endif
+#ifdef JOHAB_CHARSET
+Lisp_Object Qw32_charset_easteurope;
+Lisp_Object Qw32_charset_turkish;
+Lisp_Object Qw32_charset_baltic;
+Lisp_Object Qw32_charset_russian;
+Lisp_Object Qw32_charset_arabic;
+Lisp_Object Qw32_charset_greek;
+Lisp_Object Qw32_charset_hebrew;
+Lisp_Object Qw32_charset_vietnamese;
+Lisp_Object Qw32_charset_thai;
+Lisp_Object Qw32_charset_johab;
+Lisp_Object Qw32_charset_mac;
+#endif
+
+#ifdef UNICODE_CHARSET
+Lisp_Object Qw32_charset_unicode;
+#endif
+
+extern Lisp_Object Qtop;
+extern Lisp_Object Qdisplay;
+extern Lisp_Object Qtool_bar_lines;
/* State variables for emulating a three button mouse. */
#define LMOUSE 1
static W32Msg saved_mouse_move_msg;
static unsigned mouse_move_timer;
+/* W95 mousewheel handler */
+unsigned int msh_mousewheel = 0;
+
#define MOUSE_BUTTON_ID 1
#define MOUSE_MOVE_ID 2
/* The below are defined in frame.c. */
+
extern Lisp_Object Qheight, Qminibuffer, Qname, Qonly, Qwidth;
-extern Lisp_Object Qunsplittable, Qmenu_bar_lines;
+extern Lisp_Object Qunsplittable, Qmenu_bar_lines, Qbuffer_predicate, Qtitle;
+extern Lisp_Object Qtool_bar_lines;
extern Lisp_Object Vwindow_system_version;
-extern Lisp_Object last_mouse_scroll_bar;
-extern int last_mouse_scroll_bar_pos;
+Lisp_Object Qface_set_after_frame_default;
+
+#ifdef GLYPH_DEBUG
+int image_cache_refcount, dpyinfo_refcount;
+#endif
+
/* From w32term.c. */
extern Lisp_Object Vw32_num_mouse_buttons;
-
-Time last_mouse_movement_time;
+extern Lisp_Object Vw32_recognize_altgr;
\f
+/* Error if we are not connected to MS-Windows. */
+void
+check_w32 ()
+{
+ if (! w32_in_use)
+ error ("MS-Windows not in use or not initialized");
+}
+
+/* Nonzero if we can use mouse menus.
+ You should not call this unless HAVE_MENUS is defined. */
+
+int
+have_menus_p ()
+{
+ return w32_in_use;
+}
+
/* Extract a frame as a FRAME_PTR, defaulting to the selected frame
and checking validity for W32. */
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_W32_P (f))
error ("non-w32 frame used");
return f;
{
if (NILP (frame))
{
- if (FRAME_W32_P (selected_frame))
- return FRAME_W32_DISPLAY_INFO (selected_frame);
+ struct frame *sf = XFRAME (selected_frame);
+
+ if (FRAME_W32_P (sf) && FRAME_LIVE_P (sf))
+ return FRAME_W32_DISPLAY_INFO (sf);
else
return &one_w32_display_info;
}
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_W32_DISPLAY_INFO (f) != dpyinfo)
+ if (!FRAME_W32_P (f) || FRAME_W32_DISPLAY_INFO (f) != dpyinfo)
continue;
+ if (f->output_data.w32->hourglass_window == wdesc)
+ return f;
+
+ /* TODO: Check tooltips when supported. */
if (FRAME_W32_WINDOW (f) == wdesc)
return f;
}
Lisp_Object file;
{
return -1;
-#if 0
+#if 0 /* TODO : bitmap support */
struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
unsigned int width, height;
- Pixmap bitmap;
+ HBITMAP bitmap;
int xhot, yhot, result, id;
Lisp_Object found;
int fd;
fd = openp (Vx_bitmap_file_path, file, "", &found, 0);
if (fd < 0)
return -1;
- close (fd);
+ emacs_close (fd);
filename = (char *) XSTRING (found)->data;
strcpy (dpyinfo->bitmaps[id - 1].file, XSTRING (file)->data);
return id;
-#endif
+#endif /* TODO */
}
/* Remove reference to bitmap with id number ID. */
-int
+void
x_destroy_bitmap (f, id)
FRAME_PTR f;
int id;
DeleteObject (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;
{
DeleteObject (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_unsplittable ();
+static Lisp_Object unwind_create_frame P_ ((Lisp_Object));
+static Lisp_Object unwind_create_tip_frame P_ ((Lisp_Object));
+static void x_change_window_heights P_ ((Lisp_Object, int));
+/* TODO: Native Input Method support; see x_create_im. */
+void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
+static void x_set_line_spacing 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));
+static void x_set_screen_gamma P_ ((struct frame *, Lisp_Object, Lisp_Object));
static struct x_frame_parm_table x_frame_parms[] =
{
- "foreground-color", x_set_foreground_color,
+ "auto-raise", x_set_autoraise,
+ "auto-lower", x_set_autolower,
"background-color", x_set_background_color,
- "mouse-color", x_set_mouse_color,
- "cursor-color", x_set_cursor_color,
"border-color", x_set_border_color,
+ "border-width", x_set_border_width,
+ "cursor-color", x_set_cursor_color,
"cursor-type", x_set_cursor_type,
- "icon-type", x_set_icon_type,
- "icon-name", x_set_icon_name,
"font", x_set_font,
- "border-width", x_set_border_width,
+ "foreground-color", x_set_foreground_color,
+ "icon-name", x_set_icon_name,
+ "icon-type", x_set_icon_type,
"internal-border-width", x_set_internal_border_width,
- "name", x_explicitly_set_name,
- "auto-raise", x_set_autoraise,
- "auto-lower", x_set_autolower,
- "vertical-scroll-bars", x_set_vertical_scroll_bars,
- "visibility", x_set_visibility,
"menu-bar-lines", x_set_menu_bar_lines,
+ "mouse-color", x_set_mouse_color,
+ "name", x_explicitly_set_name,
"scroll-bar-width", x_set_scroll_bar_width,
+ "title", x_set_title,
"unsplittable", x_set_unsplittable,
+ "vertical-scroll-bars", x_set_vertical_scroll_bars,
+ "visibility", x_set_visibility,
+ "tool-bar-lines", x_set_tool_bar_lines,
+ "screen-gamma", x_set_screen_gamma,
+ "line-spacing", x_set_line_spacing
};
/* Attach the `x-frame-parameter' properties to
the Lisp symbol names of parameters relevant to W32. */
+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;
/* Provide default values for HEIGHT and WIDTH. */
- width = FRAME_WIDTH (f);
- height = FRAME_HEIGHT (f);
+ if (FRAME_NEW_WIDTH (f))
+ width = FRAME_NEW_WIDTH (f);
+ else
+ width = FRAME_WIDTH (f);
+
+ if (FRAME_NEW_HEIGHT (f))
+ height = FRAME_NEW_HEIGHT (f);
+ else
+ height = FRAME_HEIGHT (f);
+
+ /* Process foreground_color and background_color before anything else.
+ They are independent of other properties, but other properties (e.g.,
+ cursor_color) are dependent upon them. */
+ for (p = 0; p < i; p++)
+ {
+ Lisp_Object prop, val;
+
+ prop = parms[p];
+ val = values[p];
+ if (EQ (prop, Qforeground_color) || EQ (prop, Qbackground_color))
+ {
+ register Lisp_Object param_index, old_value;
+
+ param_index = Fget (prop, Qx_frame_parameter);
+ old_value = get_frame_param (f, prop);
+ store_frame_param (f, prop, val);
+ if (NATNUMP (param_index)
+ && (XFASTINT (param_index)
+ < sizeof (x_frame_parms)/sizeof (x_frame_parms[0])))
+ (*x_frame_parms[XINT (param_index)].setter)(f, val, old_value);
+ }
+ }
/* Now process them in reverse of specified order. */
for (i--; i >= 0; i--)
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;
XSETFRAME (frame, f);
- if (XINT (width) != FRAME_WIDTH (f)
- || XINT (height) != FRAME_HEIGHT (f))
+ if (width != FRAME_WIDTH (f)
+ || height != FRAME_HEIGHT (f)
+ || FRAME_NEW_HEIGHT (f) || FRAME_NEW_WIDTH (f))
Fset_frame_size (frame, make_number (width), make_number (height));
if ((!NILP (left) || !NILP (top))
if (leftpos < 0)
f->output_data.w32->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.w32->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.w32->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.w32->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.
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;
(FRAME_VISIBLE_P (f) ? Qt
: FRAME_ICONIFIED_P (f) ? Qicon : Qnil));
store_in_alist (alistptr, Qdisplay,
- XCONS (FRAME_W32_DISPLAY_INFO (f)->name_list_element)->car);
+ XCAR (FRAME_W32_DISPLAY_INFO (f)->name_list_element));
}
\f
return Qnil;
}
-COLORREF
-x_to_w32_color (colorname)
- char * colorname;
+COLORREF
+w32_color_map_lookup (colorname)
+ char *colorname;
{
- register Lisp_Object tail, ret = Qnil;
-
+ Lisp_Object tail, ret = Qnil;
+
BLOCK_INPUT;
-
+
for (tail = Vw32_color_map; !NILP (tail); tail = Fcdr (tail))
{
register Lisp_Object elt, tem;
if (lstrcmpi (XSTRING (tem)->data, colorname) == 0)
{
- ret = XUINT(Fcdr (elt));
+ ret = XUINT (Fcdr (elt));
break;
}
QUIT;
}
-
+
+
UNBLOCK_INPUT;
+
+ return ret;
+}
+
+COLORREF
+x_to_w32_color (colorname)
+ char * colorname;
+{
+ register Lisp_Object ret = Qnil;
+
+ BLOCK_INPUT;
+
+ if (colorname[0] == '#')
+ {
+ /* Could be an old-style RGB Device specification. */
+ char *color;
+ int size;
+ color = colorname + 1;
+
+ size = strlen(color);
+ if (size == 3 || size == 6 || size == 9 || size == 12)
+ {
+ UINT colorval;
+ int i, pos;
+ pos = 0;
+ size /= 3;
+ colorval = 0;
+
+ for (i = 0; i < 3; i++)
+ {
+ char *end;
+ char t;
+ unsigned long value;
+
+ /* The check for 'x' in the following conditional takes into
+ account the fact that strtol allows a "0x" in front of
+ our numbers, and we don't. */
+ if (!isxdigit(color[0]) || color[1] == 'x')
+ break;
+ t = color[size];
+ color[size] = '\0';
+ value = strtoul(color, &end, 16);
+ color[size] = t;
+ if (errno == ERANGE || end - color != size)
+ break;
+ switch (size)
+ {
+ case 1:
+ value = value * 0x10;
+ break;
+ case 2:
+ break;
+ case 3:
+ value /= 0x10;
+ break;
+ case 4:
+ value /= 0x100;
+ break;
+ }
+ colorval |= (value << pos);
+ pos += 0x8;
+ if (i == 2)
+ {
+ UNBLOCK_INPUT;
+ return (colorval);
+ }
+ color = end;
+ }
+ }
+ }
+ else if (strnicmp(colorname, "rgb:", 4) == 0)
+ {
+ char *color;
+ UINT colorval;
+ int i, pos;
+ pos = 0;
+
+ colorval = 0;
+ color = colorname + 4;
+ for (i = 0; i < 3; i++)
+ {
+ char *end;
+ unsigned long value;
+
+ /* The check for 'x' in the following conditional takes into
+ account the fact that strtol allows a "0x" in front of
+ our numbers, and we don't. */
+ if (!isxdigit(color[0]) || color[1] == 'x')
+ break;
+ value = strtoul(color, &end, 16);
+ if (errno == ERANGE)
+ break;
+ switch (end - color)
+ {
+ case 1:
+ value = value * 0x10 + value;
+ break;
+ case 2:
+ break;
+ case 3:
+ value /= 0x10;
+ break;
+ case 4:
+ value /= 0x100;
+ break;
+ default:
+ value = ULONG_MAX;
+ }
+ if (value == ULONG_MAX)
+ break;
+ colorval |= (value << pos);
+ pos += 0x8;
+ if (i == 2)
+ {
+ if (*end != '\0')
+ break;
+ UNBLOCK_INPUT;
+ return (colorval);
+ }
+ if (*end != '/')
+ break;
+ color = end + 1;
+ }
+ }
+ else if (strnicmp(colorname, "rgbi:", 5) == 0)
+ {
+ /* This is an RGB Intensity specification. */
+ char *color;
+ UINT colorval;
+ int i, pos;
+ pos = 0;
+
+ colorval = 0;
+ color = colorname + 5;
+ for (i = 0; i < 3; i++)
+ {
+ char *end;
+ double value;
+ UINT val;
+
+ value = strtod(color, &end);
+ if (errno == ERANGE)
+ break;
+ if (value < 0.0 || value > 1.0)
+ break;
+ val = (UINT)(0x100 * value);
+ /* We used 0x100 instead of 0xFF to give an continuous
+ range between 0.0 and 1.0 inclusive. The next statement
+ fixes the 1.0 case. */
+ if (val == 0x100)
+ val = 0xFF;
+ colorval |= (val << pos);
+ pos += 0x8;
+ if (i == 2)
+ {
+ if (*end != '\0')
+ break;
+ UNBLOCK_INPUT;
+ return (colorval);
+ }
+ if (*end != '/')
+ break;
+ color = end + 1;
+ }
+ }
+ /* I am not going to attempt to handle any of the CIE color schemes
+ or TekHVC, since I don't know the algorithms for conversion to
+ RGB. */
+
+ /* If we fail to lookup the color name in w32_color_map, then check the
+ colorname to see if it can be crudely approximated: If the X color
+ ends in a number (e.g., "darkseagreen2"), strip the number and
+ return the result of looking up the base color name. */
+ ret = w32_color_map_lookup (colorname);
+ if (NILP (ret))
+ {
+ int len = strlen (colorname);
+
+ if (isdigit (colorname[len - 1]))
+ {
+ char *ptr, *approx = alloca (len);
+
+ strcpy (approx, colorname);
+ ptr = &approx[len - 1];
+ while (ptr > approx && isdigit (*ptr))
+ *ptr-- = '\0';
+
+ ret = w32_color_map_lookup (approx);
+ }
+ }
+ UNBLOCK_INPUT;
return ret;
}
}
#endif
+
+/* Gamma-correct COLOR on frame F. */
+
+void
+gamma_correct (f, color)
+ struct frame *f;
+ COLORREF *color;
+{
+ if (f->gamma)
+ {
+ *color = PALETTERGB (
+ pow (GetRValue (*color) / 255.0, f->gamma) * 255.0 + 0.5,
+ pow (GetGValue (*color) / 255.0, f->gamma) * 255.0 + 0.5,
+ pow (GetBValue (*color) / 255.0, f->gamma) * 255.0 + 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)
+w32_defined_color (f, color, color_def, alloc)
FRAME_PTR f;
char *color;
- COLORREF *color_def;
+ XColor *color_def;
int alloc;
{
register Lisp_Object tem;
+ COLORREF w32_color_ref;
tem = x_to_w32_color (color);
if (!NILP (tem))
{
+ if (f)
+ {
+ /* Apply gamma correction. */
+ w32_color_ref = XUINT (tem);
+ gamma_correct (f, &w32_color_ref);
+ XSETINT (tem, w32_color_ref);
+ }
+
+ /* Map this color to the palette if it is enabled. */
if (!NILP (Vw32_enable_palette))
{
struct w32_palette_entry * entry =
- FRAME_W32_DISPLAY_INFO (f)->color_list;
+ one_w32_display_info.color_list;
struct w32_palette_entry ** prev =
- &FRAME_W32_DISPLAY_INFO (f)->color_list;
+ &one_w32_display_info.color_list;
/* check if color is already mapped */
while (entry)
SET_W32_COLOR (entry->entry, XUINT (tem));
entry->next = NULL;
*prev = entry;
- FRAME_W32_DISPLAY_INFO (f)->num_colors++;
+ one_w32_display_info.num_colors++;
/* set flag that palette must be regenerated */
- FRAME_W32_DISPLAY_INFO (f)->regen_palette = TRUE;
+ one_w32_display_info.regen_palette = TRUE;
}
}
/* Ensure COLORREF value is snapped to nearest color in (default)
palette by simulating the PALETTERGB macro. This works whether
or not the display device has a palette. */
- *color_def = XUINT (tem) | 0x2000000;
+ w32_color_ref = XUINT (tem) | 0x2000000;
+
+ color_def->pixel = w32_color_ref;
+ color_def->red = GetRValue (w32_color_ref);
+ color_def->green = GetGValue (w32_color_ref);
+ color_def->blue = GetBValue (w32_color_ref);
+
return 1;
}
else
Lisp_Object arg;
int def;
{
- COLORREF cdef;
+ XColor cdef;
CHECK_STRING (arg, 0);
if ((FRAME_W32_DISPLAY_INFO (f)->n_planes * FRAME_W32_DISPLAY_INFO (f)->n_cbits) == 1)
return def;
- /* defined_color is responsible for coping with failures
+ /* w32_defined_color is responsible for coping with failures
by looking for a near-miss. */
- if (defined_color (f, XSTRING (arg)->data, &cdef, 1))
- return cdef;
+ if (w32_defined_color (f, XSTRING (arg)->data, &cdef, 1))
+ return cdef.pixel;
/* defined_color failed; return an ultimate default. */
return def;
}
\f
+/* Change the `line-spacing' frame parameter of frame F. OLD_VALUE is
+ the previous value of that parameter, NEW_VALUE is the new value. */
+
+static void
+x_set_line_spacing (f, new_value, old_value)
+ struct frame *f;
+ Lisp_Object new_value, old_value;
+{
+ if (NILP (new_value))
+ f->extra_line_spacing = 0;
+ else if (NATNUMP (new_value))
+ f->extra_line_spacing = XFASTINT (new_value);
+ else
+ Fsignal (Qerror, Fcons (build_string ("Invalid line-spacing"),
+ Fcons (new_value, Qnil)));
+ if (FRAME_VISIBLE_P (f))
+ redraw_frame (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 ("Invalid 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.w32->foreground_pixel
+ FRAME_FOREGROUND_PIXEL (f)
= x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
if (FRAME_W32_WINDOW (f) != 0)
{
- 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.w32->background_pixel
+ FRAME_BACKGROUND_PIXEL (f)
= x_decode_color (f, arg, WHITE_PIX_DEFAULT (f));
if (FRAME_W32_WINDOW (f) != 0)
{
- SetWindowLong (FRAME_W32_WINDOW (f), WND_BACKGROUND_INDEX, f->output_data.w32->background_pixel);
+ SetWindowLong (FRAME_W32_WINDOW (f), WND_BACKGROUND_INDEX,
+ FRAME_BACKGROUND_PIXEL (f));
- recompute_basic_faces (f);
+ update_face_from_frame_parameter (f, Qbackground_color, arg);
if (FRAME_VISIBLE_P (f))
redraw_frame (f);
struct frame *f;
Lisp_Object arg, oldval;
{
-#if 0
Cursor cursor, nontext_cursor, mode_cursor, cross_cursor;
int count;
-#endif
int mask_color;
if (!EQ (Qnil, arg))
f->output_data.w32->mouse_pixel
= x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
- mask_color = f->output_data.w32->background_pixel;
- /* No invisible pointers. */
+ mask_color = FRAME_BACKGROUND_PIXEL (f);
+
+ /* Don't let pointers be invisible. */
if (mask_color == f->output_data.w32->mouse_pixel
- && mask_color == f->output_data.w32->background_pixel)
- f->output_data.w32->mouse_pixel = f->output_data.w32->foreground_pixel;
+ && mask_color == FRAME_BACKGROUND_PIXEL (f))
+ f->output_data.w32->mouse_pixel = FRAME_FOREGROUND_PIXEL (f);
-#if 0
+#if 0 /* TODO : cursor changes */
BLOCK_INPUT;
/* It's not okay to crash if the user selects a screwy cursor. */
nontext_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_left_ptr);
x_check_errors (FRAME_W32_DISPLAY (f), "bad nontext pointer cursor: %s");
+ if (!EQ (Qnil, Vx_hourglass_pointer_shape))
+ {
+ CHECK_NUMBER (Vx_hourglass_pointer_shape, 0);
+ hourglass_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f),
+ XINT (Vx_hourglass_pointer_shape));
+ }
+ else
+ hourglass_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_watch);
+ x_check_errors (FRAME_W32_DISPLAY (f), "bad busy pointer cursor: %s");
+
+ x_check_errors (FRAME_W32_DISPLAY (f), "bad nontext pointer cursor: %s");
if (!EQ (Qnil, Vx_mode_pointer_shape))
{
CHECK_NUMBER (Vx_mode_pointer_shape, 0);
else
cross_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_crosshair);
+ if (!NILP (Vx_window_horizontal_drag_shape))
+ {
+ CHECK_NUMBER (Vx_window_horizontal_drag_shape, 0);
+ horizontal_drag_cursor
+ = XCreateFontCursor (FRAME_X_DISPLAY (f),
+ XINT (Vx_window_horizontal_drag_shape));
+ }
+ else
+ horizontal_drag_cursor
+ = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_sb_h_double_arrow);
+
/* Check and report errors with the above calls. */
x_check_errors (FRAME_W32_DISPLAY (f), "can't set cursor shape: %s");
x_uncatch_errors (FRAME_W32_DISPLAY (f), count);
&fore_color, &back_color);
XRecolorCursor (FRAME_W32_DISPLAY (f), cross_cursor,
&fore_color, &back_color);
+ XRecolorCursor (FRAME_W32_DISPLAY (f), hourglass_cursor,
+ &fore_color, &back_color);
}
if (FRAME_W32_WINDOW (f) != 0)
- {
- XDefineCursor (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), cursor);
- }
+ XDefineCursor (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), cursor);
if (cursor != f->output_data.w32->text_cursor && f->output_data.w32->text_cursor != 0)
XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->text_cursor);
XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->nontext_cursor);
f->output_data.w32->nontext_cursor = nontext_cursor;
+ if (hourglass_cursor != f->output_data.w32->hourglass_cursor
+ && f->output_data.w32->hourglass_cursor != 0)
+ XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->hourglass_cursor);
+ f->output_data.w32->hourglass_cursor = hourglass_cursor;
+
if (mode_cursor != f->output_data.w32->modeline_cursor
&& f->output_data.w32->modeline_cursor != 0)
XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->modeline_cursor);
f->output_data.w32->modeline_cursor = mode_cursor;
+
if (cross_cursor != f->output_data.w32->cross_cursor
&& f->output_data.w32->cross_cursor != 0)
XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->cross_cursor);
XFlush (FRAME_W32_DISPLAY (f));
UNBLOCK_INPUT;
-#endif
+
+ update_face_from_frame_parameter (f, Qmouse_color, arg);
+#endif /* TODO */
}
+/* Defined in w32term.c. */
+void x_update_cursor (struct frame *f, int on_p);
+
void
x_set_cursor_color (f, arg, oldval)
struct frame *f;
Lisp_Object arg, oldval;
{
- unsigned long fore_pixel;
+ unsigned long fore_pixel, pixel;
- if (!EQ (Vx_cursor_fore_pixel, Qnil))
+ if (!NILP (Vx_cursor_fore_pixel))
fore_pixel = x_decode_color (f, Vx_cursor_fore_pixel,
- WHITE_PIX_DEFAULT (f));
+ WHITE_PIX_DEFAULT (f));
else
- fore_pixel = f->output_data.w32->background_pixel;
- f->output_data.w32->cursor_pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
+ fore_pixel = FRAME_BACKGROUND_PIXEL (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.w32->cursor_pixel == f->output_data.w32->background_pixel)
+ if (pixel == FRAME_BACKGROUND_PIXEL (f))
{
- f->output_data.w32->cursor_pixel = f->output_data.w32->mouse_pixel;
- if (f->output_data.w32->cursor_pixel == fore_pixel)
- fore_pixel = f->output_data.w32->background_pixel;
+ pixel = f->output_data.w32->mouse_pixel;
+ if (pixel == fore_pixel)
+ fore_pixel = FRAME_BACKGROUND_PIXEL (f);
}
- f->output_data.w32->cursor_foreground_pixel = fore_pixel;
+
+ FRAME_FOREGROUND_PIXEL (f) = fore_pixel;
+ f->output_data.w32->cursor_pixel = pixel;
if (FRAME_W32_WINDOW (f) != 0)
{
if (FRAME_VISIBLE_P (f))
{
- x_display_cursor (f, 0);
- x_display_cursor (f, 1);
+ x_update_cursor (f, 0);
+ x_update_cursor (f, 1);
}
}
+
+ update_face_from_frame_parameter (f, Qcursor_color, arg);
}
-/* Set the border-color of frame F to value described by ARG.
- ARG can be a string naming a color.
- The border-color is used for the border that is drawn by the server.
+/* Set the border-color of frame F to pixel value PIX.
Note that this does not fully take effect if done before
- F has a window; it must be redone when the window is created. */
-
+ F has an window. */
void
-x_set_border_color (f, arg, oldval)
- 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);
-}
-
-/* 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 window. */
-
-x_set_border_pixel (f, pix)
+x_set_border_pixel (f, pix)
struct frame *f;
int pix;
{
}
}
+/* Set the border-color of frame F to value described by ARG.
+ ARG can be a string naming a color.
+ The border-color is used for the border that is drawn by the server.
+ Note that this does not fully take effect if done before
+ F has a window; it must be redone when the window is created. */
+
void
-x_set_cursor_type (f, arg, oldval)
- FRAME_PTR f;
+x_set_border_color (f, arg, oldval)
+ struct frame *f;
Lisp_Object arg, oldval;
{
+ int pix;
+
+ CHECK_STRING (arg, 0);
+ 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);
+}
+
+/* Value is the internal representation of the specified cursor type
+ ARG. If type is BAR_CURSOR, return in *WIDTH the specified width
+ of the bar cursor. */
+
+enum text_cursor_kinds
+x_specified_cursor_type (arg, width)
+ Lisp_Object arg;
+ int *width;
+{
+ enum text_cursor_kinds type;
+
if (EQ (arg, Qbar))
{
- FRAME_DESIRED_CURSOR (f) = bar_cursor;
- f->output_data.w32->cursor_width = 2;
+ type = BAR_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))
+ && XINT (XCDR (arg)) >= 0)
{
- FRAME_DESIRED_CURSOR (f) = bar_cursor;
- f->output_data.w32->cursor_width = XINT (XCONS (arg)->cdr);
+ type = BAR_CURSOR;
+ *width = XINT (XCDR (arg));
}
+ else if (NILP (arg))
+ type = NO_CURSOR;
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;
+ type = FILLED_BOX_CURSOR;
+
+ return type;
+}
+
+void
+x_set_cursor_type (f, arg, oldval)
+ FRAME_PTR f;
+ Lisp_Object arg, oldval;
+{
+ int width;
+
+ FRAME_DESIRED_CURSOR (f) = x_specified_cursor_type (arg, &width);
+ f->output_data.w32->cursor_width = width;
/* Make sure the cursor gets redrawn. This is overkill, but how
often do people change cursor types? */
update_mode_lines++;
}
-
+\f
void
x_set_icon_type (f, arg, oldval)
struct frame *f;
Lisp_Object arg, oldval;
{
-#if 0
- Lisp_Object tem;
int result;
- if (STRINGP (arg))
- {
- if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt))
- return;
- }
- else if (!STRINGP (oldval) && EQ (oldval, Qnil) == EQ (arg, Qnil))
+ if (NILP (arg) && NILP (oldval))
+ return;
+
+ if (STRINGP (arg) && STRINGP (oldval)
+ && EQ (Fstring_equal (oldval, arg), Qt))
+ return;
+
+ if (SYMBOLP (arg) && SYMBOLP (oldval) && EQ (arg, oldval))
return;
BLOCK_INPUT;
- if (NILP (arg))
- result = x_text_icon (f,
- (char *) XSTRING ((!NILP (f->icon_name)
- ? f->icon_name
- : f->name))->data);
- else
- result = x_bitmap_icon (f, arg);
+ result = x_bitmap_icon (f, arg);
if (result)
{
UNBLOCK_INPUT;
error ("No icon window available");
}
- /* If the window was unmapped (and its icon was mapped),
- the new icon is not mapped, so map the window in its stead. */
- if (FRAME_VISIBLE_P (f))
- {
-#ifdef USE_X_TOOLKIT
- XtPopup (f->output_data.w32->widget, XtGrabNone);
-#endif
- XMapWindow (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f));
- }
-
- XFlush (FRAME_W32_DISPLAY (f));
UNBLOCK_INPUT;
-#endif
}
/* Return non-nil if frame F wants a bitmap icon. */
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))
{
if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt))
BLOCK_INPUT;
result = x_text_icon (f,
- (char *) XSTRING ((!NILP (f->icon_name)
+ (char *) XSTRING ((!NILP (f->icon_name)
? f->icon_name
+ : !NILP (f->title)
+ ? f->title
: f->name))->data);
if (result)
}
extern Lisp_Object x_new_font ();
+extern Lisp_Object x_new_fontset();
void
x_set_font (f, arg, oldval)
Lisp_Object arg, oldval;
{
Lisp_Object result;
+ Lisp_Object fontset_name;
+ Lisp_Object frame;
CHECK_STRING (arg, 1);
+ fontset_name = Fquery_fontset (arg, Qnil);
+
BLOCK_INPUT;
- result = x_new_font (f, XSTRING (arg)->data);
+ result = (STRINGP (fontset_name)
+ ? x_new_fontset (f, XSTRING (fontset_name)->data)
+ : x_new_font (f, XSTRING (arg)->data));
UNBLOCK_INPUT;
if (EQ (result, Qnil))
- error ("Font \"%s\" is not defined", XSTRING (arg)->data);
+ 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);
+ if (!NILP (Fequal (result, oldval)))
+ return;
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.w32->internal_border_width;
CHECK_NUMBER (arg, 0);
if (FRAME_W32_WINDOW (f) != 0)
{
- BLOCK_INPUT;
x_set_window_size (f, 0, f->width, f->height);
- UNBLOCK_INPUT;
SET_FRAME_GARBAGED (f);
+ do_pending_window_change (0);
}
}
Fmake_frame_visible (frame);
}
+\f
+/* Change window heights in windows rooted in WINDOW by N lines. */
+
+static void
+x_change_window_heights (window, n)
+ Lisp_Object window;
+ int n;
+{
+ struct window *w = XWINDOW (window);
+
+ 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_change_window_heights (w->vchild, n);
+
+ /* Adjust all children in a horizontal split. */
+ for (window = w->hchild; !NILP (window); window = w->next)
+ {
+ w = XWINDOW (window);
+ x_change_window_heights (window, n);
+ }
+}
+
void
x_set_menu_bar_lines (f, value, oldval)
struct frame *f;
/* 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;
if (FRAME_EXTERNAL_MENU_BAR (f) == 1)
free_frame_menubar (f);
FRAME_EXTERNAL_MENU_BAR (f) = 0;
+
+ /* Adjust the frame size so that the client (text) dimensions
+ remain the same. This depends on FRAME_EXTERNAL_MENU_BAR being
+ set correctly. */
+ x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f));
+ do_pending_window_change (0);
+ }
+ 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, root_height;
+ Lisp_Object root_window;
+
+ /* Treat tool bars like menu bars. */
+ if (FRAME_MINIBUF_ONLY_P (f))
+ return;
+
+ /* 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);
+
+ /* Don't resize the tool-bar to more than we have room for. */
+ root_window = FRAME_ROOT_WINDOW (f);
+ root_height = XINT (XWINDOW (root_window)->height);
+ if (root_height - delta < 1)
+ {
+ delta = root_height - 1;
+ nlines = FRAME_TOOL_BAR_LINES (f) + delta;
+ }
+
+ FRAME_TOOL_BAR_LINES (f) = nlines;
+ x_change_window_heights (root_window, delta);
+ adjust_glyphs (f);
+
+ /* We also have to make sure that the internal border at the top of
+ the frame, below the menu bar or tool bar, is redrawn when the
+ tool bar disappears. This is so because the internal border is
+ below the tool bar if one is displayed, but is below the menu bar
+ if there isn't a tool bar. The tool bar draws into the area
+ below the menu bar. */
+ if (FRAME_W32_WINDOW (f) && FRAME_TOOL_BAR_LINES (f) == 0)
+ {
+ updating_frame = f;
+ clear_frame ();
+ clear_current_matrices (f);
+ updating_frame = NULL;
+ }
+
+ /* If the tool bar gets smaller, the internal border below it
+ has to be cleared. It was formerly part of the display
+ of the larger tool bar, and updating windows won't clear it. */
+ if (delta < 0)
+ {
+ int height = FRAME_INTERNAL_BORDER_WIDTH (f);
+ int width = PIXEL_WIDTH (f);
+ int y = nlines * CANON_Y_UNIT (f);
+
+ BLOCK_INPUT;
+ {
+ HDC hdc = get_frame_dc (f);
+ w32_clear_area (f, hdc, 0, y, width, height);
+ release_frame_dc (f, hdc);
+ }
+ UNBLOCK_INPUT;
}
}
+
/* Change the name of frame F to NAME. If NAME is nil, set F's name to
w32_id_name.
if (! NILP (Fstring_equal (name, f->name)))
return;
+ f->name = name;
+
+ /* For setting the frame title, the title parameter should override
+ the name parameter. */
+ if (! NILP (f->title))
+ name = f->title;
+
if (FRAME_W32_WINDOW (f))
{
+ if (STRING_MULTIBYTE (name))
+ name = ENCODE_SYSTEM (name);
+
BLOCK_INPUT;
SetWindowText(FRAME_W32_WINDOW (f), XSTRING (name)->data);
UNBLOCK_INPUT;
}
-
- f->name = name;
}
/* This function should be called when the user's lisp code has
{
x_set_name (f, arg, 0);
}
+\f
+/* Change the title of frame F to NAME.
+ If NAME is nil, use the frame name as the title.
+
+ If EXPLICIT is non-zero, that indicates that lisp code is setting the
+ name; if NAME is a string, set F's name to NAME and set
+ F->explicit_name; if NAME is Qnil, then clear F->explicit_name.
+
+ If EXPLICIT is zero, that indicates that Emacs redisplay code is
+ suggesting a new name, which lisp code should override; if
+ F->explicit_name is set, ignore the new name; otherwise, set it. */
+
+void
+x_set_title (f, name, old_name)
+ struct frame *f;
+ Lisp_Object name, old_name;
+{
+ /* Don't change the title if it's already NAME. */
+ if (EQ (name, f->title))
+ return;
+
+ update_mode_lines = 1;
+
+ f->title = name;
+
+ if (NILP (name))
+ name = f->name;
+
+ if (FRAME_W32_WINDOW (f))
+ {
+ if (STRING_MULTIBYTE (name))
+ name = ENCODE_SYSTEM (name);
+ BLOCK_INPUT;
+ SetWindowText(FRAME_W32_WINDOW (f), XSTRING (name)->data);
+ UNBLOCK_INPUT;
+ }
+}
+\f
void
x_set_autoraise (f, arg, oldval)
struct frame *f;
{
FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = NILP (arg) ?
vertical_scroll_bar_none :
- EQ (Qright, arg)
- ? vertical_scroll_bar_right
- : vertical_scroll_bar_left;
+ /* Put scroll bars on the right by default, as is conventional
+ on MS-Windows. */
+ EQ (Qleft, arg)
+ ? vertical_scroll_bar_left
+ : vertical_scroll_bar_right;
/* We set this parameter before creating the window for the
frame, so we can get the geometry right from the start.
call x_set_window_size. */
if (FRAME_W32_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.w32->font);
+
if (NILP (arg))
{
- FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = 0;
- FRAME_SCROLL_BAR_COLS (f) = 2;
+ FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = GetSystemMetrics (SM_CXVSCROLL);
+ FRAME_SCROLL_BAR_COLS (f) = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) +
+ wid - 1) / wid;
+ if (FRAME_W32_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.w32->font);
FRAME_SCROLL_BAR_PIXEL_WIDTH (f) = XFASTINT (arg);
- FRAME_SCROLL_BAR_COLS (f) = (XFASTINT (arg) + wid-1) / wid;
+ FRAME_SCROLL_BAR_COLS (f) = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f)
+ + wid-1) / wid;
if (FRAME_W32_WINDOW (f))
x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f));
+ do_pending_window_change (0);
}
+ 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 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 ((sizeof (EMACS_CLASS) - 1)
- + XSTRING (class)->size
+ + 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)
x_get_resource_string (attribute, class)
char *attribute, *class;
{
- register char *value;
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 (XSTRING (Vinvocation_name)->size
+ name_key = (char *) alloca (STRING_BYTES (XSTRING (Vinvocation_name))
+ strlen (attribute) + 2);
class_key = (char *) alloca ((sizeof (EMACS_CLASS) - 1)
+ strlen (class) + 2);
attribute);
sprintf (class_key, "%s.%s", EMACS_CLASS, class);
- return x_get_string_resource (selected_frame,
- name_key, class_key);
+ return x_get_string_resource (sf, name_key, class_key);
}
/* Types we might convert a resource string into. */
enum resource_types
- {
- number, boolean, string, symbol
- };
+{
+ RES_TYPE_NUMBER,
+ RES_TYPE_FLOAT,
+ RES_TYPE_BOOLEAN,
+ RES_TYPE_STRING,
+ RES_TYPE_SYMBOL
+};
/* Return the value of parameter PARAM.
Convert the resource to the type specified by desired_type.
If no default is specified, return Qunbound. If you call
- x_get_arg, make sure you deal with Qunbound in a reasonable way,
+ w32_get_arg, make sure you deal with Qunbound in a reasonable way,
and don't let it get stored in any Lisp-visible variables! */
static Lisp_Object
-x_get_arg (alist, param, attribute, class, type)
+w32_get_arg (alist, param, attribute, class, type)
Lisp_Object alist, param;
char *attribute;
char *class;
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. */
{
}
/* 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 = w32_get_arg (alist, prop, xprop, xclass, type);
if (EQ (tem, Qunbound))
tem = deflt;
x_set_frame_parameters (f, Fcons (Fcons (prop, tem), Qnil));
Lisp_Object parms;
{
register Lisp_Object tem0, tem1, tem2;
- int height, width, left, top;
- register int geometry;
long window_prompting = 0;
/* Default values if we fall through.
f->output_data.w32->top_pos = 0;
f->output_data.w32->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);
+ /* Ensure that old new_width and new_height will not override the
+ values set here. */
+ FRAME_NEW_WIDTH (f) = 0;
+ FRAME_NEW_HEIGHT (f) = 0;
+
+ tem0 = w32_get_arg (parms, Qheight, 0, 0, RES_TYPE_NUMBER);
+ tem1 = w32_get_arg (parms, Qwidth, 0, 0, RES_TYPE_NUMBER);
+ tem2 = w32_get_arg (parms, Quser_size, 0, 0, RES_TYPE_NUMBER);
if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound))
{
if (!EQ (tem0, Qunbound))
: FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0
? FRAME_SCROLL_BAR_PIXEL_WIDTH (f)
: (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.w32->font)));
+ f->output_data.w32->flags_areas_extra
+ = FRAME_FLAGS_AREA_WIDTH (f);
f->output_data.w32->pixel_width = CHAR_TO_PIXEL_WIDTH (f, f->width);
f->output_data.w32->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 = w32_get_arg (parms, Qtop, 0, 0, RES_TYPE_NUMBER);
+ tem1 = w32_get_arg (parms, Qleft, 0, 0, RES_TYPE_NUMBER);
+ tem2 = w32_get_arg (parms, Quser_position, 0, 0, RES_TYPE_NUMBER);
if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound))
{
if (EQ (tem0, Qminus))
f->output_data.w32->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.w32->top_pos = - XINT (XCONS (XCONS (tem0)->cdr)->car);
+ f->output_data.w32->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.w32->top_pos = XINT (XCONS (XCONS (tem0)->cdr)->car);
+ f->output_data.w32->top_pos = XINT (XCAR (XCDR (tem0)));
}
else if (EQ (tem0, Qunbound))
f->output_data.w32->top_pos = 0;
f->output_data.w32->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.w32->left_pos = - XINT (XCONS (XCONS (tem1)->cdr)->car);
+ f->output_data.w32->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.w32->left_pos = XINT (XCONS (XCONS (tem1)->cdr)->car);
+ f->output_data.w32->left_pos = XINT (XCAR (XCDR (tem1)));
}
else if (EQ (tem1, Qunbound))
f->output_data.w32->left_pos = 0;
wc.hInstance = hinst;
wc.hIcon = LoadIcon (hinst, EMACS_CLASS);
wc.hCursor = LoadCursor (NULL, IDC_ARROW);
- wc.hbrBackground = NULL; // GetStockObject (WHITE_BRUSH);
+ wc.hbrBackground = NULL; /* GetStockObject (WHITE_BRUSH); */
wc.lpszMenuName = NULL;
wc.lpszClassName = EMACS_CLASS;
{
return (CreateWindow ("SCROLLBAR", "", SBS_VERT | WS_CHILD | WS_VISIBLE,
/* Position and size of scroll bar. */
- XINT(bar->left), XINT(bar->top),
- XINT(bar->width), XINT(bar->height),
+ XINT(bar->left) + VERTICAL_SCROLL_BAR_WIDTH_TRIM,
+ XINT(bar->top),
+ XINT(bar->width) - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2,
+ XINT(bar->height),
FRAME_W32_WINDOW (f),
NULL,
hinst,
struct frame *f;
{
HWND hwnd;
+ RECT rect;
+
+ rect.left = rect.top = 0;
+ rect.right = PIXEL_WIDTH (f);
+ rect.bottom = PIXEL_HEIGHT (f);
+
+ AdjustWindowRect (&rect, f->output_data.w32->dwStyle,
+ FRAME_EXTERNAL_MENU_BAR (f));
/* Do first time app init */
w32_init_class (hinst);
}
- FRAME_W32_WINDOW (f) = hwnd = CreateWindow (EMACS_CLASS,
- f->namebuf,
- f->output_data.w32->dwStyle | WS_CLIPCHILDREN,
- f->output_data.w32->left_pos,
- f->output_data.w32->top_pos,
- PIXEL_WIDTH (f),
- PIXEL_HEIGHT (f),
- NULL,
- NULL,
- hinst,
- NULL);
-
+ FRAME_W32_WINDOW (f) = hwnd
+ = CreateWindow (EMACS_CLASS,
+ f->namebuf,
+ f->output_data.w32->dwStyle | WS_CLIPCHILDREN,
+ f->output_data.w32->left_pos,
+ f->output_data.w32->top_pos,
+ rect.right - rect.left,
+ rect.bottom - rect.top,
+ NULL,
+ NULL,
+ hinst,
+ NULL);
+
if (hwnd)
{
- SetWindowLong (hwnd, WND_X_UNITS_INDEX, FONT_WIDTH (f->output_data.w32->font));
- SetWindowLong (hwnd, WND_Y_UNITS_INDEX, f->output_data.w32->line_height);
- SetWindowLong (hwnd, WND_BACKGROUND_INDEX, f->output_data.w32->background_pixel);
-
+ SetWindowLong (hwnd, WND_FONTWIDTH_INDEX, FONT_WIDTH (f->output_data.w32->font));
+ SetWindowLong (hwnd, WND_LINEHEIGHT_INDEX, f->output_data.w32->line_height);
+ SetWindowLong (hwnd, WND_BORDER_INDEX, f->output_data.w32->internal_border_width);
+ SetWindowLong (hwnd, WND_SCROLLBAR_INDEX, f->output_data.w32->vertical_scroll_bar_extra);
+ SetWindowLong (hwnd, WND_BACKGROUND_INDEX, FRAME_BACKGROUND_PIXEL (f));
+
+ /* Enable drag-n-drop. */
+ DragAcceptFiles (hwnd, TRUE);
+
/* Do this to discard the default setting specified by our parent. */
ShowWindow (hwnd, SW_HIDE);
}
}
-/* Convert between the modifier bits W32 uses and the modifier bits
- Emacs uses. */
-unsigned int
-w32_get_modifiers ()
-{
- return (((GetKeyState (VK_SHIFT)&0x8000) ? shift_modifier : 0) |
- ((GetKeyState (VK_CONTROL)&0x8000) ? ctrl_modifier : 0) |
- ((GetKeyState (VK_MENU)&0x8000) ?
- ((NILP (Vw32_alt_is_meta)) ? alt_modifier : meta_modifier) : 0));
-}
-
void
my_post_msg (wmsg, hwnd, msg, wParam, lParam)
W32Msg * wmsg;
{
SHORT ctrl, alt;
- if (!modifiers_recorded)
+ if (GetFocus () == NULL)
+ /* Emacs doesn't have keyboard focus. Do nothing. */
return;
ctrl = GetAsyncKeyState (VK_CONTROL);
alt = GetAsyncKeyState (VK_MENU);
- if (ctrl == 0 || alt == 0)
- /* Emacs doesn't have keyboard focus. Do nothing. */
- return;
-
if (!(ctrl & 0x08000))
/* Clear any recorded control modifier state. */
modifiers[EMACS_RCONTROL] = modifiers[EMACS_LCONTROL] = 0;
/* Clear any recorded alt modifier state. */
modifiers[EMACS_RMENU] = modifiers[EMACS_LMENU] = 0;
- /* Otherwise, leave the modifier state as it was when Emacs lost
- keyboard focus. */
+ /* Update the state of all modifier keys, because modifiers used in
+ hot-key combinations can get stuck on if Emacs loses focus as a
+ result of a hot-key being pressed. */
+ {
+ BYTE keystate[256];
+
+#define CURRENT_STATE(key) ((GetAsyncKeyState (key) & 0x8000) >> 8)
+
+ GetKeyboardState (keystate);
+ keystate[VK_SHIFT] = CURRENT_STATE (VK_SHIFT);
+ keystate[VK_CONTROL] = CURRENT_STATE (VK_CONTROL);
+ keystate[VK_LCONTROL] = CURRENT_STATE (VK_LCONTROL);
+ keystate[VK_RCONTROL] = CURRENT_STATE (VK_RCONTROL);
+ keystate[VK_MENU] = CURRENT_STATE (VK_MENU);
+ keystate[VK_LMENU] = CURRENT_STATE (VK_LMENU);
+ keystate[VK_RMENU] = CURRENT_STATE (VK_RMENU);
+ keystate[VK_LWIN] = CURRENT_STATE (VK_LWIN);
+ keystate[VK_RWIN] = CURRENT_STATE (VK_RWIN);
+ keystate[VK_APPS] = CURRENT_STATE (VK_APPS);
+ SetKeyboardState (keystate);
+ }
}
/* Synchronize modifier state with what is reported with the current
static int
modifier_set (int vkey)
{
- if (vkey == VK_CAPITAL)
+ if (vkey == VK_CAPITAL || vkey == VK_SCROLL)
return (GetKeyState (vkey) & 0x1);
if (!modifiers_recorded)
return (GetKeyState (vkey) & 0x8000);
return modifiers[EMACS_LMENU];
case VK_RMENU:
return modifiers[EMACS_RMENU];
- default:
- break;
}
return (GetKeyState (vkey) & 0x8000);
}
+/* Convert between the modifier bits W32 uses and the modifier bits
+ Emacs uses. */
+
+unsigned int
+w32_key_to_modifier (int key)
+{
+ Lisp_Object key_mapping;
+
+ switch (key)
+ {
+ case VK_LWIN:
+ key_mapping = Vw32_lwindow_modifier;
+ break;
+ case VK_RWIN:
+ key_mapping = Vw32_rwindow_modifier;
+ break;
+ case VK_APPS:
+ key_mapping = Vw32_apps_modifier;
+ break;
+ case VK_SCROLL:
+ key_mapping = Vw32_scroll_lock_modifier;
+ break;
+ default:
+ key_mapping = Qnil;
+ }
+
+ /* NB. This code runs in the input thread, asychronously to the lisp
+ thread, so we must be careful to ensure access to lisp data is
+ thread-safe. The following code is safe because the modifier
+ variable values are updated atomically from lisp and symbols are
+ not relocated by GC. Also, we don't have to worry about seeing GC
+ markbits here. */
+ if (EQ (key_mapping, Qhyper))
+ return hyper_modifier;
+ if (EQ (key_mapping, Qsuper))
+ return super_modifier;
+ if (EQ (key_mapping, Qmeta))
+ return meta_modifier;
+ if (EQ (key_mapping, Qalt))
+ return alt_modifier;
+ if (EQ (key_mapping, Qctrl))
+ return ctrl_modifier;
+ if (EQ (key_mapping, Qcontrol)) /* synonym for ctrl */
+ return ctrl_modifier;
+ if (EQ (key_mapping, Qshift))
+ return shift_modifier;
+
+ /* Don't generate any modifier if not explicitly requested. */
+ return 0;
+}
+
+unsigned int
+w32_get_modifiers ()
+{
+ return ((modifier_set (VK_SHIFT) ? shift_modifier : 0) |
+ (modifier_set (VK_CONTROL) ? ctrl_modifier : 0) |
+ (modifier_set (VK_LWIN) ? w32_key_to_modifier (VK_LWIN) : 0) |
+ (modifier_set (VK_RWIN) ? w32_key_to_modifier (VK_RWIN) : 0) |
+ (modifier_set (VK_APPS) ? w32_key_to_modifier (VK_APPS) : 0) |
+ (modifier_set (VK_SCROLL) ? w32_key_to_modifier (VK_SCROLL) : 0) |
+ (modifier_set (VK_MENU) ?
+ ((NILP (Vw32_alt_is_meta)) ? alt_modifier : meta_modifier) : 0));
+}
+
/* We map the VK_* modifiers into console modifier constants
so that we can use the same routines to handle both console
and window input. */
static int
-construct_modifiers (unsigned int wparam, unsigned int lparam)
+construct_console_modifiers ()
{
int mods;
- if (wparam != VK_CONTROL && wparam != VK_MENU)
- mods = GetLastError ();
-
mods = 0;
mods |= (modifier_set (VK_SHIFT)) ? SHIFT_PRESSED : 0;
mods |= (modifier_set (VK_CAPITAL)) ? CAPSLOCK_ON : 0;
+ mods |= (modifier_set (VK_SCROLL)) ? SCROLLLOCK_ON : 0;
+ mods |= (modifier_set (VK_NUMLOCK)) ? NUMLOCK_ON : 0;
mods |= (modifier_set (VK_LCONTROL)) ? LEFT_CTRL_PRESSED : 0;
mods |= (modifier_set (VK_RCONTROL)) ? RIGHT_CTRL_PRESSED : 0;
mods |= (modifier_set (VK_LMENU)) ? LEFT_ALT_PRESSED : 0;
mods |= (modifier_set (VK_RMENU)) ? RIGHT_ALT_PRESSED : 0;
+ mods |= (modifier_set (VK_LWIN)) ? LEFT_WIN_PRESSED : 0;
+ mods |= (modifier_set (VK_RWIN)) ? RIGHT_WIN_PRESSED : 0;
+ mods |= (modifier_set (VK_APPS)) ? APPS_PRESSED : 0;
return mods;
}
-static unsigned int
-map_keypad_keys (unsigned int wparam, unsigned int lparam)
+static int
+w32_get_key_modifiers (unsigned int wparam, unsigned int lparam)
{
- unsigned int extended = (lparam & 0x1000000L);
+ int mods;
+
+ /* Convert to emacs modifiers. */
+ mods = w32_kbd_mods_to_emacs (construct_console_modifiers (), wparam);
+
+ return mods;
+}
- if (wparam < VK_CLEAR || wparam > VK_DELETE)
- return wparam;
+unsigned int
+map_keypad_keys (unsigned int virt_key, unsigned int extended)
+{
+ if (virt_key < VK_CLEAR || virt_key > VK_DELETE)
+ return virt_key;
- if (wparam == VK_RETURN)
+ if (virt_key == VK_RETURN)
return (extended ? VK_NUMPAD_ENTER : VK_RETURN);
- if (wparam >= VK_PRIOR && wparam <= VK_DOWN)
- return (!extended ? (VK_NUMPAD_PRIOR + (wparam - VK_PRIOR)) : wparam);
+ if (virt_key >= VK_PRIOR && virt_key <= VK_DOWN)
+ return (!extended ? (VK_NUMPAD_PRIOR + (virt_key - VK_PRIOR)) : virt_key);
- if (wparam == VK_INSERT || wparam == VK_DELETE)
- return (!extended ? (VK_NUMPAD_INSERT + (wparam - VK_INSERT)) : wparam);
+ if (virt_key == VK_INSERT || virt_key == VK_DELETE)
+ return (!extended ? (VK_NUMPAD_INSERT + (virt_key - VK_INSERT)) : virt_key);
- if (wparam == VK_CLEAR)
- return (!extended ? VK_NUMPAD_CLEAR : wparam);
+ if (virt_key == VK_CLEAR)
+ return (!extended ? VK_NUMPAD_CLEAR : virt_key);
- return wparam;
+ return virt_key;
}
-/* Main message dispatch loop. */
+/* List of special key combinations which w32 would normally capture,
+ but emacs should grab instead. Not directly visible to lisp, to
+ simplify synchronization. Each item is an integer encoding a virtual
+ key code and modifier combination to capture. */
+Lisp_Object w32_grabbed_keys;
-DWORD
-windows_msg_worker (dw)
- DWORD dw;
+#define HOTKEY(vk,mods) make_number (((vk) & 255) | ((mods) << 8))
+#define HOTKEY_ID(k) (XFASTINT (k) & 0xbfff)
+#define HOTKEY_VK_CODE(k) (XFASTINT (k) & 255)
+#define HOTKEY_MODIFIERS(k) (XFASTINT (k) >> 8)
+
+/* Register hot-keys for reserved key combinations when Emacs has
+ keyboard focus, since this is the only way Emacs can receive key
+ combinations like Alt-Tab which are used by the system. */
+
+static void
+register_hot_keys (hwnd)
+ HWND hwnd;
{
- MSG msg;
-
- /* Ensure our message queue is created */
-
- PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE);
-
- PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0);
-
- while (GetMessage (&msg, NULL, 0, 0))
+ Lisp_Object keylist;
+
+ /* Use GC_CONSP, since we are called asynchronously. */
+ for (keylist = w32_grabbed_keys; GC_CONSP (keylist); keylist = XCDR (keylist))
{
- if (msg.hwnd == NULL)
- {
- switch (msg.message)
- {
- case WM_EMACS_CREATEWINDOW:
- w32_createwindow ((struct frame *) msg.wParam);
- PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0);
- break;
- case WM_EMACS_CREATESCROLLBAR:
- {
- HWND hwnd = w32_createscrollbar ((struct frame *) msg.wParam,
- (struct scroll_bar *) msg.lParam);
- PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, (WPARAM)hwnd, 0);
- }
+ Lisp_Object key = XCAR (keylist);
+
+ /* Deleted entries get set to nil. */
+ if (!INTEGERP (key))
+ continue;
+
+ RegisterHotKey (hwnd, HOTKEY_ID (key),
+ HOTKEY_MODIFIERS (key), HOTKEY_VK_CODE (key));
+ }
+}
+
+static void
+unregister_hot_keys (hwnd)
+ HWND hwnd;
+{
+ Lisp_Object keylist;
+
+ /* Use GC_CONSP, since we are called asynchronously. */
+ for (keylist = w32_grabbed_keys; GC_CONSP (keylist); keylist = XCDR (keylist))
+ {
+ Lisp_Object key = XCAR (keylist);
+
+ if (!INTEGERP (key))
+ continue;
+
+ UnregisterHotKey (hwnd, HOTKEY_ID (key));
+ }
+}
+
+/* Main message dispatch loop. */
+
+static void
+w32_msg_pump (deferred_msg * msg_buf)
+{
+ MSG msg;
+ int result;
+ HWND focus_window;
+
+ msh_mousewheel = RegisterWindowMessage (MSH_MOUSEWHEEL);
+
+ while (GetMessage (&msg, NULL, 0, 0))
+ {
+ if (msg.hwnd == NULL)
+ {
+ switch (msg.message)
+ {
+ case WM_NULL:
+ /* Produced by complete_deferred_msg; just ignore. */
+ break;
+ case WM_EMACS_CREATEWINDOW:
+ w32_createwindow ((struct frame *) msg.wParam);
+ if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0))
+ abort ();
+ break;
+ case WM_EMACS_SETLOCALE:
+ SetThreadLocale (msg.wParam);
+ /* Reply is not expected. */
+ break;
+ case WM_EMACS_SETKEYBOARDLAYOUT:
+ result = (int) ActivateKeyboardLayout ((HKL) msg.wParam, 0);
+ if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE,
+ result, 0))
+ abort ();
+ break;
+ case WM_EMACS_REGISTER_HOT_KEY:
+ focus_window = GetFocus ();
+ if (focus_window != NULL)
+ RegisterHotKey (focus_window,
+ HOTKEY_ID (msg.wParam),
+ HOTKEY_MODIFIERS (msg.wParam),
+ HOTKEY_VK_CODE (msg.wParam));
+ /* Reply is not expected. */
+ break;
+ case WM_EMACS_UNREGISTER_HOT_KEY:
+ focus_window = GetFocus ();
+ if (focus_window != NULL)
+ UnregisterHotKey (focus_window, HOTKEY_ID (msg.wParam));
+ /* Mark item as erased. NB: this code must be
+ thread-safe. The next line is okay because the cons
+ cell is never made into garbage and is not relocated by
+ GC. */
+ XCAR ((Lisp_Object) msg.lParam) = Qnil;
+ if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0))
+ abort ();
+ break;
+ case WM_EMACS_TOGGLE_LOCK_KEY:
+ {
+ int vk_code = (int) msg.wParam;
+ int cur_state = (GetKeyState (vk_code) & 1);
+ Lisp_Object new_state = (Lisp_Object) msg.lParam;
+
+ /* NB: This code must be thread-safe. It is safe to
+ call NILP because symbols are not relocated by GC,
+ and pointer here is not touched by GC (so the markbit
+ can't be set). Numbers are safe because they are
+ immediate values. */
+ if (NILP (new_state)
+ || (NUMBERP (new_state)
+ && ((XUINT (new_state)) & 1) != cur_state))
+ {
+ one_w32_display_info.faked_key = vk_code;
+
+ keybd_event ((BYTE) vk_code,
+ (BYTE) MapVirtualKey (vk_code, 0),
+ KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
+ keybd_event ((BYTE) vk_code,
+ (BYTE) MapVirtualKey (vk_code, 0),
+ KEYEVENTF_EXTENDEDKEY | 0, 0);
+ keybd_event ((BYTE) vk_code,
+ (BYTE) MapVirtualKey (vk_code, 0),
+ KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
+ cur_state = !cur_state;
+ }
+ if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE,
+ cur_state, 0))
+ abort ();
+ }
break;
- case WM_EMACS_KILL:
- return (0);
+ default:
+ DebPrint (("msg %x not expected by w32_msg_pump\n", msg.message));
}
}
else
{
DispatchMessage (&msg);
}
+
+ /* Exit nested loop when our deferred message has completed. */
+ if (msg_buf->completed)
+ break;
+ }
+}
+
+deferred_msg * deferred_msg_head;
+
+static deferred_msg *
+find_deferred_msg (HWND hwnd, UINT msg)
+{
+ deferred_msg * item;
+
+ /* Don't actually need synchronization for read access, since
+ modification of single pointer is always atomic. */
+ /* enter_crit (); */
+
+ for (item = deferred_msg_head; item != NULL; item = item->next)
+ if (item->w32msg.msg.hwnd == hwnd
+ && item->w32msg.msg.message == msg)
+ break;
+
+ /* leave_crit (); */
+
+ return item;
+}
+
+static LRESULT
+send_deferred_msg (deferred_msg * msg_buf,
+ HWND hwnd,
+ UINT msg,
+ WPARAM wParam,
+ LPARAM lParam)
+{
+ /* Only input thread can send deferred messages. */
+ if (GetCurrentThreadId () != dwWindowsThreadId)
+ abort ();
+
+ /* It is an error to send a message that is already deferred. */
+ if (find_deferred_msg (hwnd, msg) != NULL)
+ abort ();
+
+ /* Enforced synchronization is not needed because this is the only
+ function that alters deferred_msg_head, and the following critical
+ section is guaranteed to only be serially reentered (since only the
+ input thread can call us). */
+
+ /* enter_crit (); */
+
+ msg_buf->completed = 0;
+ msg_buf->next = deferred_msg_head;
+ deferred_msg_head = msg_buf;
+ my_post_msg (&msg_buf->w32msg, hwnd, msg, wParam, lParam);
+
+ /* leave_crit (); */
+
+ /* Start a new nested message loop to process other messages until
+ this one is completed. */
+ w32_msg_pump (msg_buf);
+
+ deferred_msg_head = msg_buf->next;
+
+ return msg_buf->result;
+}
+
+void
+complete_deferred_msg (HWND hwnd, UINT msg, LRESULT result)
+{
+ deferred_msg * msg_buf = find_deferred_msg (hwnd, msg);
+
+ if (msg_buf == NULL)
+ /* Message may have been cancelled, so don't abort(). */
+ return;
+
+ msg_buf->result = result;
+ msg_buf->completed = 1;
+
+ /* Ensure input thread is woken so it notices the completion. */
+ PostThreadMessage (dwWindowsThreadId, WM_NULL, 0, 0);
+}
+
+void
+cancel_all_deferred_msgs ()
+{
+ deferred_msg * item;
+
+ /* Don't actually need synchronization for read access, since
+ modification of single pointer is always atomic. */
+ /* enter_crit (); */
+
+ for (item = deferred_msg_head; item != NULL; item = item->next)
+ {
+ item->result = 0;
+ item->completed = 1;
}
+
+ /* leave_crit (); */
+
+ /* Ensure input thread is woken so it notices the completion. */
+ PostThreadMessage (dwWindowsThreadId, WM_NULL, 0, 0);
+}
+
+DWORD
+w32_msg_worker (dw)
+ DWORD dw;
+{
+ MSG msg;
+ deferred_msg dummy_buf;
+
+ /* Ensure our message queue is created */
+
+ PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE);
- return (0);
+ if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0))
+ abort ();
+
+ memset (&dummy_buf, 0, sizeof (dummy_buf));
+ dummy_buf.w32msg.msg.hwnd = NULL;
+ dummy_buf.w32msg.msg.message = WM_NULL;
+
+ /* This is the inital message loop which should only exit when the
+ application quits. */
+ w32_msg_pump (&dummy_buf);
+
+ return 0;
}
-/* Main window procedure */
+static void
+post_character_message (hwnd, msg, wParam, lParam, modifiers)
+ HWND hwnd;
+ UINT msg;
+ WPARAM wParam;
+ LPARAM lParam;
+ DWORD modifiers;
-extern char *lispy_function_keys[];
+{
+ W32Msg wmsg;
+
+ wmsg.dwModifiers = modifiers;
+
+ /* Detect quit_char and set quit-flag directly. Note that we
+ still need to post a message to ensure the main thread will be
+ woken up if blocked in sys_select(), but we do NOT want to post
+ the quit_char message itself (because it will usually be as if
+ the user had typed quit_char twice). Instead, we post a dummy
+ message that has no particular effect. */
+ {
+ int c = wParam;
+ if (isalpha (c) && wmsg.dwModifiers == ctrl_modifier)
+ c = make_ctrl_char (c) & 0377;
+ if (c == quit_char
+ || (wmsg.dwModifiers == 0 &&
+ XFASTINT (Vw32_quit_key) && wParam == XFASTINT (Vw32_quit_key)))
+ {
+ Vquit_flag = Qt;
+
+ /* The choice of message is somewhat arbitrary, as long as
+ the main thread handler just ignores it. */
+ msg = WM_NULL;
+
+ /* Interrupt any blocking system calls. */
+ signal_quit ();
+
+ /* As a safety precaution, forcibly complete any deferred
+ messages. This is a kludge, but I don't see any particularly
+ clean way to handle the situation where a deferred message is
+ "dropped" in the lisp thread, and will thus never be
+ completed, eg. by the user trying to activate the menubar
+ when the lisp thread is busy, and then typing C-g when the
+ menubar doesn't open promptly (with the result that the
+ menubar never responds at all because the deferred
+ WM_INITMENU message is never completed). Another problem
+ situation is when the lisp thread calls SendMessage (to send
+ a window manager command) when a message has been deferred;
+ the lisp thread gets blocked indefinitely waiting for the
+ deferred message to be completed, which itself is waiting for
+ the lisp thread to respond.
+
+ Note that we don't want to block the input thread waiting for
+ a reponse from the lisp thread (although that would at least
+ solve the deadlock problem above), because we want to be able
+ to receive C-g to interrupt the lisp thread. */
+ cancel_all_deferred_msgs ();
+ }
+ }
+
+ my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
+}
+
+/* Main window procedure */
LRESULT CALLBACK
w32_wnd_proc (hwnd, msg, wParam, lParam)
LPARAM lParam;
{
struct frame *f;
- LRESULT ret = 1;
struct w32_display_info *dpyinfo = &one_w32_display_info;
W32Msg wmsg;
int windows_translate;
+ int key;
/* Note that it is okay to call x_window_to_frame, even though we are
not running in the main lisp thread, because frame deletion
f = x_window_to_frame (dpyinfo, hwnd);
if (f)
{
+ HDC hdc = get_frame_dc (f);
GetUpdateRect (hwnd, &wmsg.rect, FALSE);
- w32_clear_rect (f, NULL, &wmsg.rect);
+ w32_clear_rect (f, hdc, &wmsg.rect);
+ release_frame_dc (f, hdc);
+
+#if defined (W32_DEBUG_DISPLAY)
+ DebPrint (("WM_ERASEBKGND: erasing %d,%d-%d,%d\n",
+ wmsg.rect.left, wmsg.rect.top, wmsg.rect.right,
+ wmsg.rect.bottom));
+#endif /* W32_DEBUG_DISPLAY */
}
return 1;
case WM_PALETTECHANGED:
return 0;
case WM_PAINT:
{
- PAINTSTRUCT paintStruct;
+ PAINTSTRUCT paintStruct;
+ RECT update_rect;
+
+ /* MSDN Docs say not to call BeginPaint if GetUpdateRect
+ fails. Apparently this can happen under some
+ circumstances. */
+ if (!w32_strict_painting || GetUpdateRect (hwnd, &update_rect, FALSE))
+ {
+ enter_crit ();
+ BeginPaint (hwnd, &paintStruct);
+
+ if (w32_strict_painting)
+ /* The rectangles returned by GetUpdateRect and BeginPaint
+ do not always match. GetUpdateRect seems to be the
+ more reliable of the two. */
+ wmsg.rect = update_rect;
+ else
+ wmsg.rect = paintStruct.rcPaint;
+
+#if defined (W32_DEBUG_DISPLAY)
+ DebPrint (("WM_PAINT: painting %d,%d-%d,%d\n", wmsg.rect.left,
+ wmsg.rect.top, wmsg.rect.right, wmsg.rect.bottom));
+ DebPrint (("WM_PAINT: update region is %d,%d-%d,%d\n",
+ update_rect.left, update_rect.top,
+ update_rect.right, update_rect.bottom));
+#endif
+ EndPaint (hwnd, &paintStruct);
+ leave_crit ();
- enter_crit ();
- BeginPaint (hwnd, &paintStruct);
- wmsg.rect = paintStruct.rcPaint;
- EndPaint (hwnd, &paintStruct);
- leave_crit ();
+ my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
+
+ return 0;
+ }
+ /* If GetUpdateRect returns 0 (meaning there is no update
+ region), assume the whole window needs to be repainted. */
+ GetClientRect(hwnd, &wmsg.rect);
my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
-
- return (0);
+ return 0;
+ }
+
+ case WM_INPUTLANGCHANGE:
+ /* Inform lisp thread of keyboard layout changes. */
+ my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
+
+ /* Clear dead keys in the keyboard state; for simplicity only
+ preserve modifier key states. */
+ {
+ int i;
+ BYTE keystate[256];
+
+ GetKeyboardState (keystate);
+ for (i = 0; i < 256; i++)
+ if (1
+ && i != VK_SHIFT
+ && i != VK_LSHIFT
+ && i != VK_RSHIFT
+ && i != VK_CAPITAL
+ && i != VK_NUMLOCK
+ && i != VK_SCROLL
+ && i != VK_CONTROL
+ && i != VK_LCONTROL
+ && i != VK_RCONTROL
+ && i != VK_MENU
+ && i != VK_LMENU
+ && i != VK_RMENU
+ && i != VK_LWIN
+ && i != VK_RWIN)
+ keystate[i] = 0;
+ SetKeyboardState (keystate);
}
+ goto dflt;
+
+ case WM_HOTKEY:
+ /* Synchronize hot keys with normal input. */
+ PostMessage (hwnd, WM_KEYDOWN, HIWORD (lParam), 0);
+ return (0);
case WM_KEYUP:
case WM_SYSKEYUP:
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
+ /* Ignore keystrokes we fake ourself; see below. */
+ if (dpyinfo->faked_key == wParam)
+ {
+ dpyinfo->faked_key = 0;
+ /* Make sure TranslateMessage sees them though (as long as
+ they don't produce WM_CHAR messages). This ensures that
+ indicator lights are toggled promptly on Windows 9x, for
+ example. */
+ if (lispy_function_keys[wParam] != 0)
+ {
+ windows_translate = 1;
+ goto translate;
+ }
+ return 0;
+ }
+
/* Synchronize modifiers with current keystroke. */
sync_modifiers ();
-
record_keydown (wParam, lParam);
-
- wParam = map_keypad_keys (wParam, lParam);
+ wParam = map_keypad_keys (wParam, (lParam & 0x1000000L) != 0);
windows_translate = 0;
- switch (wParam) {
- case VK_LWIN:
- case VK_RWIN:
- case VK_APPS:
- /* More support for these keys will likely be necessary. */
- if (!NILP (Vw32_pass_optional_keys_to_system))
+
+ switch (wParam)
+ {
+ case VK_LWIN:
+ if (NILP (Vw32_pass_lwindow_to_system))
+ {
+ /* Prevent system from acting on keyup (which opens the
+ Start menu if no other key was pressed) by simulating a
+ press of Space which we will ignore. */
+ if (GetAsyncKeyState (wParam) & 1)
+ {
+ if (NUMBERP (Vw32_phantom_key_code))
+ key = XUINT (Vw32_phantom_key_code) & 255;
+ else
+ key = VK_SPACE;
+ dpyinfo->faked_key = key;
+ keybd_event (key, (BYTE) MapVirtualKey (key, 0), 0, 0);
+ }
+ }
+ if (!NILP (Vw32_lwindow_modifier))
+ return 0;
+ break;
+ case VK_RWIN:
+ if (NILP (Vw32_pass_rwindow_to_system))
+ {
+ if (GetAsyncKeyState (wParam) & 1)
+ {
+ if (NUMBERP (Vw32_phantom_key_code))
+ key = XUINT (Vw32_phantom_key_code) & 255;
+ else
+ key = VK_SPACE;
+ dpyinfo->faked_key = key;
+ keybd_event (key, (BYTE) MapVirtualKey (key, 0), 0, 0);
+ }
+ }
+ if (!NILP (Vw32_rwindow_modifier))
+ return 0;
+ break;
+ case VK_APPS:
+ if (!NILP (Vw32_apps_modifier))
+ return 0;
+ break;
+ case VK_MENU:
+ if (NILP (Vw32_pass_alt_to_system))
+ /* Prevent DefWindowProc from activating the menu bar if an
+ Alt key is pressed and released by itself. */
+ return 0;
windows_translate = 1;
- break;
- case VK_MENU:
- if (NILP (Vw32_pass_alt_to_system))
- return 0;
- windows_translate = 1;
- break;
- case VK_CONTROL:
- case VK_CAPITAL:
- case VK_SHIFT:
- case VK_NUMLOCK:
- case VK_SCROLL:
- windows_translate = 1;
- break;
- default:
- /* If not defined as a function key, change it to a WM_CHAR message. */
- if (lispy_function_keys[wParam] == 0)
- msg = WM_CHAR;
- break;
- }
+ break;
+ case VK_CAPITAL:
+ /* Decide whether to treat as modifier or function key. */
+ if (NILP (Vw32_enable_caps_lock))
+ goto disable_lock_key;
+ windows_translate = 1;
+ break;
+ case VK_NUMLOCK:
+ /* Decide whether to treat as modifier or function key. */
+ if (NILP (Vw32_enable_num_lock))
+ goto disable_lock_key;
+ windows_translate = 1;
+ break;
+ case VK_SCROLL:
+ /* Decide whether to treat as modifier or function key. */
+ if (NILP (Vw32_scroll_lock_modifier))
+ goto disable_lock_key;
+ windows_translate = 1;
+ break;
+ disable_lock_key:
+ /* Ensure the appropriate lock key state (and indicator light)
+ remains in the same state. We do this by faking another
+ press of the relevant key. Apparently, this really is the
+ only way to toggle the state of the indicator lights. */
+ dpyinfo->faked_key = wParam;
+ keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0),
+ KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
+ keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0),
+ KEYEVENTF_EXTENDEDKEY | 0, 0);
+ keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0),
+ KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
+ /* Ensure indicator lights are updated promptly on Windows 9x
+ (TranslateMessage apparently does this), after forwarding
+ input event. */
+ post_character_message (hwnd, msg, wParam, lParam,
+ w32_get_key_modifiers (wParam, lParam));
+ windows_translate = 1;
+ break;
+ case VK_CONTROL:
+ case VK_SHIFT:
+ case VK_PROCESSKEY: /* Generated by IME. */
+ windows_translate = 1;
+ break;
+ case VK_CANCEL:
+ /* Windows maps Ctrl-Pause (aka Ctrl-Break) into VK_CANCEL,
+ which is confusing for purposes of key binding; convert
+ VK_CANCEL events into VK_PAUSE events. */
+ wParam = VK_PAUSE;
+ break;
+ case VK_PAUSE:
+ /* Windows maps Ctrl-NumLock into VK_PAUSE, which is confusing
+ for purposes of key binding; convert these back into
+ VK_NUMLOCK events, at least when we want to see NumLock key
+ presses. (Note that there is never any possibility that
+ VK_PAUSE with Ctrl really is C-Pause as per above.) */
+ if (NILP (Vw32_enable_num_lock) && modifier_set (VK_CONTROL))
+ wParam = VK_NUMLOCK;
+ break;
+ default:
+ /* If not defined as a function key, change it to a WM_CHAR message. */
+ if (lispy_function_keys[wParam] == 0)
+ {
+ DWORD modifiers = construct_console_modifiers ();
+
+ if (!NILP (Vw32_recognize_altgr)
+ && modifier_set (VK_LCONTROL) && modifier_set (VK_RMENU))
+ {
+ /* Always let TranslateMessage handle AltGr key chords;
+ for some reason, ToAscii doesn't always process AltGr
+ chords correctly. */
+ windows_translate = 1;
+ }
+ else if ((modifiers & (~SHIFT_PRESSED & ~CAPSLOCK_ON)) != 0)
+ {
+ /* Handle key chords including any modifiers other
+ than shift directly, in order to preserve as much
+ modifier information as possible. */
+ if ('A' <= wParam && wParam <= 'Z')
+ {
+ /* Don't translate modified alphabetic keystrokes,
+ so the user doesn't need to constantly switch
+ layout to type control or meta keystrokes when
+ the normal layout translates alphabetic
+ characters to non-ascii characters. */
+ if (!modifier_set (VK_SHIFT))
+ wParam += ('a' - 'A');
+ msg = WM_CHAR;
+ }
+ else
+ {
+ /* Try to handle other keystrokes by determining the
+ base character (ie. translating the base key plus
+ shift modifier). */
+ int add;
+ int isdead = 0;
+ KEY_EVENT_RECORD key;
+
+ key.bKeyDown = TRUE;
+ key.wRepeatCount = 1;
+ key.wVirtualKeyCode = wParam;
+ key.wVirtualScanCode = (lParam & 0xFF0000) >> 16;
+ key.uChar.AsciiChar = 0;
+ key.dwControlKeyState = modifiers;
+
+ add = w32_kbd_patch_key (&key);
+ /* 0 means an unrecognised keycode, negative means
+ dead key. Ignore both. */
+ while (--add >= 0)
+ {
+ /* Forward asciified character sequence. */
+ post_character_message
+ (hwnd, WM_CHAR, key.uChar.AsciiChar, lParam,
+ w32_get_key_modifiers (wParam, lParam));
+ w32_kbd_patch_key (&key);
+ }
+ return 0;
+ }
+ }
+ else
+ {
+ /* Let TranslateMessage handle everything else. */
+ windows_translate = 1;
+ }
+ }
+ }
+ translate:
if (windows_translate)
{
MSG windows_msg = { hwnd, msg, wParam, lParam, 0, {0,0} };
case WM_SYSCHAR:
case WM_CHAR:
- wmsg.dwModifiers = construct_modifiers (wParam, lParam);
-
-#if 1
- /* Detect quit_char and set quit-flag directly. Note that we
- still need to post a message to ensure the main thread will be
- woken up if blocked in sys_select(), but we do NOT want to post
- the quit_char message itself (because it will usually be as if
- the user had typed quit_char twice). Instead, we post a dummy
- message that has no particular effect. */
- {
- int c = wParam;
- if (isalpha (c) && (wmsg.dwModifiers == LEFT_CTRL_PRESSED
- || wmsg.dwModifiers == RIGHT_CTRL_PRESSED))
- c = make_ctrl_char (c) & 0377;
- if (c == quit_char)
- {
- Vquit_flag = Qt;
-
- /* The choice of message is somewhat arbitrary, as long as
- the main thread handler just ignores it. */
- msg = WM_QUIT;
- }
- }
-#endif
-
- my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
-
+ post_character_message (hwnd, msg, wParam, lParam,
+ w32_get_key_modifiers (wParam, lParam));
break;
/* Simulate middle mouse button events when left and right buttons
are used together, but only if user has two button mouse. */
case WM_LBUTTONDOWN:
case WM_RBUTTONDOWN:
- if (XINT (Vw32_num_mouse_buttons) == 3)
+ if (XINT (Vw32_num_mouse_buttons) > 2)
goto handle_plain_button;
{
{
/* Hold onto message for now. */
mouse_button_timer =
- SetTimer (hwnd, MOUSE_BUTTON_ID, XINT (Vw32_mouse_button_tolerance), NULL);
+ SetTimer (hwnd, MOUSE_BUTTON_ID,
+ XINT (Vw32_mouse_button_tolerance), NULL);
saved_mouse_button_msg.msg.hwnd = hwnd;
saved_mouse_button_msg.msg.message = msg;
saved_mouse_button_msg.msg.wParam = wParam;
case WM_LBUTTONUP:
case WM_RBUTTONUP:
- if (XINT (Vw32_num_mouse_buttons) == 3)
+ if (XINT (Vw32_num_mouse_buttons) > 2)
goto handle_plain_button;
{
handle_plain_button:
{
BOOL up;
+ int button;
- if (parse_button (msg, NULL, &up))
+ if (parse_button (msg, &button, &up))
{
if (up) ReleaseCapture ();
else SetCapture (hwnd);
+ button = (button == 0) ? LMOUSE :
+ ((button == 1) ? MMOUSE : RMOUSE);
+ if (up)
+ button_state &= ~button;
+ else
+ button_state |= button;
}
}
if (saved_mouse_move_msg.msg.hwnd == 0)
mouse_move_timer =
- SetTimer (hwnd, MOUSE_MOVE_ID, XINT (Vw32_mouse_move_interval), NULL);
+ SetTimer (hwnd, MOUSE_MOVE_ID,
+ XINT (Vw32_mouse_move_interval), NULL);
/* Hold onto message for now. */
saved_mouse_move_msg.msg.hwnd = hwnd;
return 0;
+ case WM_MOUSEWHEEL:
+ wmsg.dwModifiers = w32_get_modifiers ();
+ my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
+ return 0;
+
+ case WM_DROPFILES:
+ wmsg.dwModifiers = w32_get_modifiers ();
+ my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
+ return 0;
+
case WM_TIMER:
/* Flush out saved messages if necessary. */
if (wParam == mouse_button_timer)
reset_modifiers ();
goto dflt;
+ case WM_INITMENU:
+ button_state = 0;
+ ReleaseCapture ();
+ /* We must ensure menu bar is fully constructed and up to date
+ before allowing user interaction with it. To achieve this
+ we send this message to the lisp thread and wait for a
+ reply (whose value is not actually needed) to indicate that
+ the menu bar is now ready for use, so we can now return.
+
+ To remain responsive in the meantime, we enter a nested message
+ loop that can process all other messages.
+
+ However, we skip all this if the message results from calling
+ TrackPopupMenu - in fact, we must NOT attempt to send the lisp
+ thread a message because it is blocked on us at this point. We
+ set menubar_active before calling TrackPopupMenu to indicate
+ this (there is no possibility of confusion with real menubar
+ being active). */
+
+ f = x_window_to_frame (dpyinfo, hwnd);
+ if (f
+ && (f->output_data.w32->menubar_active
+ /* We can receive this message even in the absence of a
+ menubar (ie. when the system menu is activated) - in this
+ case we do NOT want to forward the message, otherwise it
+ will cause the menubar to suddenly appear when the user
+ had requested it to be turned off! */
+ || f->output_data.w32->menubar_widget == NULL))
+ return 0;
+
+ {
+ deferred_msg msg_buf;
+
+ /* Detect if message has already been deferred; in this case
+ we cannot return any sensible value to ignore this. */
+ if (find_deferred_msg (hwnd, msg) != NULL)
+ abort ();
+
+ return send_deferred_msg (&msg_buf, hwnd, msg, wParam, lParam);
+ }
+
+ case WM_EXITMENULOOP:
+ f = x_window_to_frame (dpyinfo, hwnd);
+
+ /* Indicate that menubar can be modified again. */
+ if (f)
+ f->output_data.w32->menubar_active = 0;
+ goto dflt;
+
+ case WM_MENUSELECT:
+ wmsg.dwModifiers = w32_get_modifiers ();
+ my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
+ return 0;
+
+ case WM_MEASUREITEM:
+ f = x_window_to_frame (dpyinfo, hwnd);
+ if (f)
+ {
+ MEASUREITEMSTRUCT * pMis = (MEASUREITEMSTRUCT *) lParam;
+
+ if (pMis->CtlType == ODT_MENU)
+ {
+ /* Work out dimensions for popup menu titles. */
+ char * title = (char *) pMis->itemData;
+ HDC hdc = GetDC (hwnd);
+ HFONT menu_font = GetCurrentObject (hdc, OBJ_FONT);
+ LOGFONT menu_logfont;
+ HFONT old_font;
+ SIZE size;
+
+ GetObject (menu_font, sizeof (menu_logfont), &menu_logfont);
+ menu_logfont.lfWeight = FW_BOLD;
+ menu_font = CreateFontIndirect (&menu_logfont);
+ old_font = SelectObject (hdc, menu_font);
+
+ pMis->itemHeight = GetSystemMetrics (SM_CYMENUSIZE);
+ if (title)
+ {
+ GetTextExtentPoint32 (hdc, title, strlen (title), &size);
+ pMis->itemWidth = size.cx;
+ if (pMis->itemHeight < size.cy)
+ pMis->itemHeight = size.cy;
+ }
+ else
+ pMis->itemWidth = 0;
+
+ SelectObject (hdc, old_font);
+ DeleteObject (menu_font);
+ ReleaseDC (hwnd, hdc);
+ return TRUE;
+ }
+ }
+ return 0;
+
+ case WM_DRAWITEM:
+ f = x_window_to_frame (dpyinfo, hwnd);
+ if (f)
+ {
+ DRAWITEMSTRUCT * pDis = (DRAWITEMSTRUCT *) lParam;
+
+ if (pDis->CtlType == ODT_MENU)
+ {
+ /* Draw popup menu title. */
+ char * title = (char *) pDis->itemData;
+ if (title)
+ {
+ HDC hdc = pDis->hDC;
+ HFONT menu_font = GetCurrentObject (hdc, OBJ_FONT);
+ LOGFONT menu_logfont;
+ HFONT old_font;
+
+ GetObject (menu_font, sizeof (menu_logfont), &menu_logfont);
+ menu_logfont.lfWeight = FW_BOLD;
+ menu_font = CreateFontIndirect (&menu_logfont);
+ old_font = SelectObject (hdc, menu_font);
+
+ /* Always draw title as if not selected. */
+ ExtTextOut (hdc,
+ pDis->rcItem.left
+ + GetSystemMetrics (SM_CXMENUCHECK),
+ pDis->rcItem.top,
+ ETO_OPAQUE, &pDis->rcItem,
+ title, strlen (title), NULL);
+
+ SelectObject (hdc, old_font);
+ DeleteObject (menu_font);
+ }
+ return TRUE;
+ }
+ }
+ return 0;
+
+#if 0
+ /* Still not right - can't distinguish between clicks in the
+ client area of the frame from clicks forwarded from the scroll
+ bars - may have to hook WM_NCHITTEST to remember the mouse
+ position and then check if it is in the client area ourselves. */
+ case WM_MOUSEACTIVATE:
+ /* Discard the mouse click that activates a frame, allowing the
+ user to click anywhere without changing point (or worse!).
+ Don't eat mouse clicks on scrollbars though!! */
+ if (LOWORD (lParam) == HTCLIENT )
+ return MA_ACTIVATEANDEAT;
+ goto dflt;
+#endif
+
+ case WM_ACTIVATEAPP:
+ case WM_ACTIVATE:
+ case WM_WINDOWPOSCHANGED:
+ case WM_SHOWWINDOW:
+ /* Inform lisp thread that a frame might have just been obscured
+ or exposed, so should recheck visibility of all frames. */
+ my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
+ goto dflt;
+
case WM_SETFOCUS:
+ dpyinfo->faked_key = 0;
reset_modifiers ();
+ register_hot_keys (hwnd);
+ goto command;
case WM_KILLFOCUS:
+ unregister_hot_keys (hwnd);
+ button_state = 0;
+ ReleaseCapture ();
case WM_MOVE:
case WM_SIZE:
- case WM_SYSCOMMAND:
case WM_COMMAND:
+ command:
wmsg.dwModifiers = w32_get_modifiers ();
my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
goto dflt;
{
WINDOWPLACEMENT wp;
LPWINDOWPOS lppos = (WINDOWPOS *) lParam;
-
+
+ wp.length = sizeof (WINDOWPLACEMENT);
GetWindowPlacement (hwnd, &wp);
- if (wp.showCmd != SW_SHOWMINIMIZED && ! (lppos->flags & SWP_NOSIZE))
+ if (wp.showCmd != SW_SHOWMINIMIZED && (lppos->flags & SWP_NOSIZE) == 0)
{
RECT rect;
int wdiff;
int hdiff;
- DWORD dwXUnits;
- DWORD dwYUnits;
+ DWORD font_width;
+ DWORD line_height;
+ DWORD internal_border;
+ DWORD scrollbar_extra;
RECT wr;
wp.length = sizeof(wp);
enter_crit ();
- dwXUnits = GetWindowLong (hwnd, WND_X_UNITS_INDEX);
- dwYUnits = GetWindowLong (hwnd, WND_Y_UNITS_INDEX);
+ font_width = GetWindowLong (hwnd, WND_FONTWIDTH_INDEX);
+ line_height = GetWindowLong (hwnd, WND_LINEHEIGHT_INDEX);
+ internal_border = GetWindowLong (hwnd, WND_BORDER_INDEX);
+ scrollbar_extra = GetWindowLong (hwnd, WND_SCROLLBAR_INDEX);
leave_crit ();
AdjustWindowRect (&rect, GetWindowLong (hwnd, GWL_STYLE),
GetMenu (hwnd) != NULL);
- /* All windows have an extra pixel so subtract 1 */
-
- wdiff = (lppos->cx - (rect.right - rect.left) - 0) % dwXUnits;
- hdiff = (lppos->cy - (rect.bottom - rect.top) - 0) % dwYUnits;
+ /* Force width and height of client area to be exact
+ multiples of the character cell dimensions. */
+ wdiff = (lppos->cx - (rect.right - rect.left)
+ - 2 * internal_border - scrollbar_extra)
+ % font_width;
+ hdiff = (lppos->cy - (rect.bottom - rect.top)
+ - 2 * internal_border)
+ % line_height;
if (wdiff || hdiff)
{
lppos->cy -= hdiff;
if (wp.showCmd != SW_SHOWMAXIMIZED
- && ! (lppos->flags & SWP_NOMOVE))
+ && (lppos->flags & SWP_NOMOVE) == 0)
{
if (lppos->x != wr.left || lppos->y != wr.top)
{
}
}
- ret = 0;
+ return 0;
}
}
}
-
- if (ret == 0) return (0);
goto dflt;
+
+ case WM_GETMINMAXINFO:
+ /* Hack to correct bug that allows Emacs frames to be resized
+ below the Minimum Tracking Size. */
+ ((LPMINMAXINFO) lParam)->ptMinTrackSize.y++;
+ /* Hack to allow resizing the Emacs frame above the screen size.
+ Note that Windows 9x limits coordinates to 16-bits. */
+ ((LPMINMAXINFO) lParam)->ptMaxTrackSize.x = 32767;
+ ((LPMINMAXINFO) lParam)->ptMaxTrackSize.y = 32767;
+ return 0;
+
+ case WM_EMACS_CREATESCROLLBAR:
+ return (LRESULT) w32_createscrollbar ((struct frame *) wParam,
+ (struct scroll_bar *) lParam);
+
case WM_EMACS_SHOWWINDOW:
- return ShowWindow (hwnd, wParam);
+ return ShowWindow ((HWND) wParam, (WPARAM) lParam);
+
+ case WM_EMACS_SETFOREGROUND:
+ {
+ HWND foreground_window;
+ DWORD foreground_thread, retval;
+
+ /* On NT 5.0, and apparently Windows 98, it is necessary to
+ attach to the thread that currently has focus in order to
+ pull the focus away from it. */
+ foreground_window = GetForegroundWindow ();
+ foreground_thread = GetWindowThreadProcessId (foreground_window, NULL);
+ if (!foreground_window
+ || foreground_thread == GetCurrentThreadId ()
+ || !AttachThreadInput (GetCurrentThreadId (),
+ foreground_thread, TRUE))
+ foreground_thread = 0;
+
+ retval = SetForegroundWindow ((HWND) wParam);
+
+ /* Detach from the previous foreground thread. */
+ if (foreground_thread)
+ AttachThreadInput (GetCurrentThreadId (),
+ foreground_thread, FALSE);
+
+ return retval;
+ }
+
case WM_EMACS_SETWINDOWPOS:
{
- W32WindowPos * pos = (W32WindowPos *) wParam;
- return SetWindowPos (hwnd, pos->hwndAfter,
+ WINDOWPOS * pos = (WINDOWPOS *) wParam;
+ return SetWindowPos (hwnd, pos->hwndInsertAfter,
pos->x, pos->y, pos->cx, pos->cy, pos->flags);
}
+
case WM_EMACS_DESTROYWINDOW:
- DestroyWindow ((HWND) wParam);
- break;
- default:
- dflt:
- return DefWindowProc (hwnd, msg, wParam, lParam);
- }
-
- return (1);
-}
+ DragAcceptFiles ((HWND) wParam, FALSE);
+ return DestroyWindow ((HWND) wParam);
-void
-my_create_window (f)
- struct frame * f;
+ case WM_EMACS_TRACKPOPUPMENU:
+ {
+ UINT flags;
+ POINT *pos;
+ int retval;
+ pos = (POINT *)lParam;
+ flags = TPM_CENTERALIGN;
+ if (button_state & LMOUSE)
+ flags |= TPM_LEFTBUTTON;
+ else if (button_state & RMOUSE)
+ flags |= TPM_RIGHTBUTTON;
+
+ /* Remember we did a SetCapture on the initial mouse down event,
+ so for safety, we make sure the capture is cancelled now. */
+ ReleaseCapture ();
+ button_state = 0;
+
+ /* Use menubar_active to indicate that WM_INITMENU is from
+ TrackPopupMenu below, and should be ignored. */
+ f = x_window_to_frame (dpyinfo, hwnd);
+ if (f)
+ f->output_data.w32->menubar_active = 1;
+
+ if (TrackPopupMenu ((HMENU)wParam, flags, pos->x, pos->y,
+ 0, hwnd, NULL))
+ {
+ MSG amsg;
+ /* Eat any mouse messages during popupmenu */
+ while (PeekMessage (&amsg, hwnd, WM_MOUSEFIRST, WM_MOUSELAST,
+ PM_REMOVE));
+ /* Get the menu selection, if any */
+ if (PeekMessage (&amsg, hwnd, WM_COMMAND, WM_COMMAND, PM_REMOVE))
+ {
+ retval = LOWORD (amsg.wParam);
+ }
+ else
+ {
+ retval = 0;
+ }
+ }
+ else
+ {
+ retval = -1;
+ }
+
+ return retval;
+ }
+
+ default:
+ /* Check for messages registered at runtime. */
+ if (msg == msh_mousewheel)
+ {
+ wmsg.dwModifiers = w32_get_modifiers ();
+ my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
+ return 0;
+ }
+
+ dflt:
+ return DefWindowProc (hwnd, msg, wParam, lParam);
+ }
+
+
+ /* The most common default return code for handled messages is 0. */
+ return 0;
+}
+
+void
+my_create_window (f)
+ struct frame * f;
{
MSG msg;
- PostThreadMessage (dwWindowsThreadId, WM_EMACS_CREATEWINDOW, (WPARAM)f, 0);
+ if (!PostThreadMessage (dwWindowsThreadId, WM_EMACS_CREATEWINDOW, (WPARAM)f, 0))
+ abort ();
GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE);
}
/* Set the position of the icon. Note that Windows 95 groups all
icons in the tray. */
- icon_x = x_get_arg (parms, Qicon_left, 0, 0, number);
- icon_y = x_get_arg (parms, Qicon_top, 0, 0, number);
+ icon_x = w32_get_arg (parms, Qicon_left, 0, 0, RES_TYPE_NUMBER);
+ icon_y = w32_get_arg (parms, Qicon_top, 0, 0, RES_TYPE_NUMBER);
if (!EQ (icon_x, Qunbound) && !EQ (icon_y, Qunbound))
{
CHECK_NUMBER (icon_x, 0);
if (! EQ (icon_x, Qunbound))
x_wm_set_icon_position (f, XINT (icon_x), XINT (icon_y));
+#if 0 /* TODO */
+ /* Start up iconic or window? */
+ x_wm_set_window_state
+ (f, (EQ (w32_get_arg (parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL), Qicon)
+ ? IconicState
+ : NormalState));
+
+ x_text_icon (f, (char *) XSTRING ((!NILP (f->icon_name)
+ ? f->icon_name
+ : f->name))->data);
+#endif
+
+ UNBLOCK_INPUT;
+}
+
+
+static void
+x_make_gc (f)
+ struct frame *f;
+{
+ XGCValues gc_values;
+
+ BLOCK_INPUT;
+
+ /* Create the GC's of this frame.
+ Note that many default values are used. */
+
+ /* Normal video */
+ gc_values.font = f->output_data.w32->font;
+
+ /* Cursor has cursor-color background, background-color foreground. */
+ gc_values.foreground = FRAME_BACKGROUND_PIXEL (f);
+ gc_values.background = f->output_data.w32->cursor_pixel;
+ f->output_data.w32->cursor_gc
+ = XCreateGC (NULL, FRAME_W32_WINDOW (f),
+ (GCFont | GCForeground | GCBackground),
+ &gc_values);
+
+ /* Reliefs. */
+ f->output_data.w32->white_relief.gc = 0;
+ f->output_data.w32->black_relief.gc = 0;
+
UNBLOCK_INPUT;
}
+
+/* Handler for signals raised during x_create_frame and
+ x_create_top_frame. FRAME is the frame which is partially
+ constructed. */
+
+static Lisp_Object
+unwind_create_frame (frame)
+ Lisp_Object frame;
+{
+ struct frame *f = XFRAME (frame);
+
+ /* If frame is ``official'', nothing to do. */
+ if (!CONSP (Vframe_list) || !EQ (XCAR (Vframe_list), frame))
+ {
+#ifdef GLYPH_DEBUG
+ struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
+#endif
+
+ x_free_frame_resources (f);
+
+ /* Check that reference counts are indeed correct. */
+ xassert (dpyinfo->reference_count == dpyinfo_refcount);
+ xassert (dpyinfo->image_cache->refcount == image_cache_refcount);
+
+ return Qt;
+ }
+
+ return Qnil;
+}
+
+
DEFUN ("x-create-frame", Fx_create_frame, Sx_create_frame,
1, 1, 0,
"Make a new window, which is called a \"frame\" in Emacs terms.\n\
int minibuffer_only = 0;
long window_prompting = 0;
int width, height;
- int count = specpdl_ptr - specpdl;
- struct gcpro gcpro1;
+ int count = BINDING_STACK_SIZE ();
+ struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
Lisp_Object display;
- struct w32_display_info *dpyinfo;
+ struct w32_display_info *dpyinfo = NULL;
Lisp_Object parent;
struct kboard *kb;
+ check_w32 ();
+
/* Use this general default value to start with
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 = w32_get_arg (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, "title", "Title", string);
+ name = w32_get_arg (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 = w32_get_arg (parms, Qparent_id, NULL, NULL, RES_TYPE_NUMBER);
if (EQ (parent, Qunbound))
parent = Qnil;
if (! NILP (parent))
CHECK_NUMBER (parent, 0);
- tem = x_get_arg (parms, Qminibuffer, 0, 0, symbol);
+ /* make_frame_without_minibuffer can run Lisp code and garbage collect. */
+ /* No need to protect DISPLAY because that's not used after passing
+ it to make_frame_without_minibuffer. */
+ frame = Qnil;
+ GCPRO4 (parms, parent, name, frame);
+ tem = w32_get_arg (parms, Qminibuffer, "minibuffer", "Minibuffer",
+ RES_TYPE_SYMBOL);
if (EQ (tem, Qnone) || NILP (tem))
f = make_frame_without_minibuffer (Qnil, kb, display);
else if (EQ (tem, Qonly))
else
f = make_frame (1);
+ XSETFRAME (frame, f);
+
/* Note that Windows does support scroll bars. */
FRAME_CAN_HAVE_SCROLL_BARS (f) = 1;
/* By default, make scrollbars the system standard width. */
f->scroll_bar_pixel_width = GetSystemMetrics (SM_CXVSCROLL);
- XSETFRAME (frame, f);
- GCPRO1 (frame);
-
f->output_method = output_w32;
- f->output_data.w32 = (struct w32_output *) xmalloc (sizeof (struct w32_output));
+ f->output_data.w32 =
+ (struct w32_output *) xmalloc (sizeof (struct w32_output));
bzero (f->output_data.w32, sizeof (struct w32_output));
+ FRAME_FONTSET (f) = -1;
+ record_unwind_protect (unwind_create_frame, frame);
+
+ f->icon_name
+ = w32_get_arg (parms, Qicon_name, "iconName", "Title", RES_TYPE_STRING);
+ if (! STRINGP (f->icon_name))
+ f->icon_name = Qnil;
/* FRAME_W32_DISPLAY_INFO (f) = dpyinfo; */
#ifdef MULTI_KBOARD
if (!NILP (parent))
{
- f->output_data.w32->parent_desc = (Window) parent;
+ f->output_data.w32->parent_desc = (Window) XFASTINT (parent);
f->output_data.w32->explicit_parent = 1;
}
else
f->output_data.w32->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))
{
Lisp_Object font;
- font = x_get_arg (parms, Qfont, "font", "Font", string);
+ font = w32_get_arg (parms, Qfont, "font", "Font", RES_TYPE_STRING);
+
BLOCK_INPUT;
/* First, try whatever font the caller has specified. */
if (STRINGP (font))
- font = x_new_font (f, XSTRING (font)->data);
-#if 0
+ {
+ 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, "-misc-fixed-medium-r-normal-*-*-140-*-*-c-*-iso8859-1");
+ font = x_new_font (f, "-*-Courier New-normal-r-*-*-*-100-*-*-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");
+ font = x_new_font (f, "-*-Courier-normal-r-*-*-13-*-*-*-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");
- if (! STRINGP (font))
- font = x_new_font (f, "-*-system-medium-r-normal-*-*-200-*-*-c-120-*-*");
-#endif
- if (! STRINGP (font))
- font = x_new_font (f, "-*-Fixedsys-*-r-*-*-12-90-*-*-c-*-*-*");
+ font = x_new_font (f, "-*-Fixedsys-normal-r-*-*-12-*-*-*-c-*-iso8859-1");
UNBLOCK_INPUT;
if (! STRINGP (font))
- font = build_string ("-*-system");
+ font = build_string ("Fixedsys");
x_default_parameter (f, parms, Qfont, font,
- "font", "Font", string);
+ "font", "Font", RES_TYPE_STRING);
}
x_default_parameter (f, parms, Qborder_width, make_number (2),
- "borderwidth", "BorderWidth", number);
+ "borderWidth", "BorderWidth", RES_TYPE_NUMBER);
/* This defaults to 2 in order to match xterm. We recognize either
internalBorderWidth or internalBorder (which is what xterm calls
it). */
{
Lisp_Object value;
- value = x_get_arg (parms, Qinternal_border_width,
- "internalBorder", "BorderWidth", number);
+ value = w32_get_arg (parms, Qinternal_border_width,
+ "internalBorder", "InternalBorder", RES_TYPE_NUMBER);
if (! EQ (value, Qunbound))
parms = Fcons (Fcons (Qinternal_border_width, value),
parms);
}
+ /* Default internalBorderWidth to 0 on Windows to match other programs. */
x_default_parameter (f, parms, Qinternal_border_width, make_number (0),
- "internalBorderWidth", "BorderWidth", number);
- x_default_parameter (f, parms, Qvertical_scroll_bars, Qt,
- "verticalScrollBars", "ScrollBars", boolean);
+ "internalBorderWidth", "InternalBorder", RES_TYPE_NUMBER);
+ x_default_parameter (f, parms, Qvertical_scroll_bars, Qright,
+ "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_parameter (f, parms, Qline_spacing, Qnil,
+ "lineSpacing", "LineSpacing", RES_TYPE_NUMBER);
+
+
+ /* 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", RES_TYPE_SYMBOL);
+ x_default_parameter (f, parms, Qtitle, Qnil,
+ "title", "Title", RES_TYPE_STRING);
f->output_data.w32->dwStyle = WS_OVERLAPPEDWINDOW;
f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window;
f->output_data.w32->size_hint_flags = window_prompting;
+ tem = w32_get_arg (parms, Qunsplittable, 0, 0, RES_TYPE_BOOLEAN);
+ f->no_split = minibuffer_only || EQ (tem, Qt);
+
w32_window (f, window_prompting, minibuffer_only);
x_icon (f, parms);
- init_frame_faces (f);
+
+ x_make_gc (f);
+
+ /* Now consider the frame official. */
+ FRAME_W32_DISPLAY_INFO (f)->reference_count++;
+ Vframe_list = Fcons (frame, Vframe_list);
/* We need to do this after creating the 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
f->height. */
width = f->width;
height = f->height;
+
+ /* 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. */
+ if (FRAME_TOOL_BAR_LINES (f))
+ {
+ int margin, relief, bar_height;
+
+ relief = (tool_bar_button_relief > 0
+ ? tool_bar_button_relief
+ : DEFAULT_TOOL_BAR_BUTTON_RELIEF);
+
+ if (INTEGERP (Vtool_bar_button_margin)
+ && XINT (Vtool_bar_button_margin) > 0)
+ margin = XFASTINT (Vtool_bar_button_margin);
+ else if (CONSP (Vtool_bar_button_margin)
+ && INTEGERP (XCDR (Vtool_bar_button_margin))
+ && XINT (XCDR (Vtool_bar_button_margin)) > 0)
+ margin = XFASTINT (XCDR (Vtool_bar_button_margin));
+ else
+ margin = 0;
+
+ bar_height = DEFAULT_TOOL_BAR_IMAGE_HEIGHT + 2 * margin + 2 * relief;
+ height += (bar_height + CANON_Y_UNIT (f) - 1) / CANON_Y_UNIT (f);
+ }
+
f->height = 0;
SET_FRAME_WIDTH (f, 0);
- change_frame_size (f, height, width, 1, 0);
+ change_frame_size (f, height, width, 1, 0, 0);
- /* Tell the server what size and position, etc, we want,
- and how badly we want them. */
+ /* Tell the server what size and position, etc, we want, and how
+ badly we want them. This should be done after we have the menu
+ bar so that its size can be taken into account. */
BLOCK_INPUT;
x_wm_set_size_hint (f, window_prompting, 0);
UNBLOCK_INPUT;
- tem = x_get_arg (parms, Qunsplittable, 0, 0, boolean);
- f->no_split = minibuffer_only || EQ (tem, Qt);
-
- UNGCPRO;
-
- /* It is now ok to make the frame official
- even if we get an error below.
- And the frame needs to be on Vframe_list
- or making it visible won't work. */
- Vframe_list = Fcons (frame, Vframe_list);
-
- /* Now that the frame is official, it counts as a reference to
- its display. */
- FRAME_W32_DISPLAY_INFO (f)->reference_count++;
+ /* Set up faces after all frame parameters are known. This call
+ also merges in face attributes specified for new frames. If we
+ don't do this, the `menu' face for instance won't have the right
+ colors, and the menu bar won't appear in the specified colors for
+ new frames. */
+ call1 (Qface_set_after_frame_default, frame);
- /* 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.w32->explicit_parent)
{
Lisp_Object visibility;
- visibility = x_get_arg (parms, Qvisibility, 0, 0, symbol);
+ visibility = w32_get_arg (parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL);
if (EQ (visibility, Qunbound))
visibility = Qt;
/* Must have been Qnil. */
;
}
-
+ UNGCPRO;
+
+ /* Make sure windows on this frame appear in calls to next-window
+ and similar functions. */
+ Vwindow_list = Qnil;
+
return unbind_to (count, frame);
}
XSETFRAME (xfocus, dpyinfo->w32_focus_frame);
return xfocus;
}
+
+DEFUN ("w32-focus-frame", Fw32_focus_frame, Sw32_focus_frame, 1, 1, 0,
+ "Give FRAME input focus, raising to foreground if necessary.")
+ (frame)
+ Lisp_Object frame;
+{
+ x_focus_on_frame (check_x_frame (frame));
+ return Qnil;
+}
+
\f
-XFontStruct *
-w32_load_font (dpyinfo,name)
-struct w32_display_info *dpyinfo;
-char * name;
+/* Return the charset portion of a font name. */
+char * xlfd_charset_of_font (char * fontname)
+{
+ char *charset, *encoding;
+
+ encoding = strrchr(fontname, '-');
+ if (!encoding || encoding == fontname)
+ return NULL;
+
+ for (charset = encoding - 1; charset >= fontname; charset--)
+ if (*charset == '-')
+ break;
+
+ if (charset == fontname || strcmp(charset, "-*-*") == 0)
+ return NULL;
+
+ return charset + 1;
+}
+
+struct font_info *w32_load_bdf_font (struct frame *f, char *fontname,
+ int size, char* filename);
+static Lisp_Object w32_list_bdf_fonts (Lisp_Object pattern, int max_names);
+static BOOL w32_to_x_font (LOGFONT * lplf, char * lpxstr, int len,
+ char * charset);
+static BOOL x_to_w32_font (char *lpxstr, LOGFONT *lplogfont);
+
+static struct font_info *
+w32_load_system_font (f,fontname,size)
+ struct frame *f;
+ char * fontname;
+ int size;
{
- XFontStruct * font = NULL;
- BOOL ok;
+ struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
+ Lisp_Object font_names;
+
+ /* Get a list of all the fonts that match this name. Once we
+ have a list of matching fonts, we compare them against the fonts
+ we already have loaded by comparing names. */
+ font_names = w32_list_fonts (f, build_string (fontname), size, 100);
+
+ if (!NILP (font_names))
+ {
+ Lisp_Object tail;
+ int i;
+
+ /* First check if any are already loaded, as that is cheaper
+ than loading another one. */
+ for (i = 0; i < dpyinfo->n_fonts; i++)
+ for (tail = font_names; CONSP (tail); tail = XCDR (tail))
+ if (dpyinfo->font_table[i].name
+ && (!strcmp (dpyinfo->font_table[i].name,
+ XSTRING (XCAR (tail))->data)
+ || !strcmp (dpyinfo->font_table[i].full_name,
+ XSTRING (XCAR (tail))->data)))
+ return (dpyinfo->font_table + i);
+
+ fontname = (char *) XSTRING (XCAR (font_names))->data;
+ }
+ else if (w32_strict_fontnames)
+ {
+ /* If EnumFontFamiliesEx was available, we got a full list of
+ fonts back so stop now to avoid the possibility of loading a
+ random font. If we had to fall back to EnumFontFamilies, the
+ list is incomplete, so continue whether the font we want was
+ listed or not. */
+ HMODULE gdi32 = GetModuleHandle ("gdi32.dll");
+ FARPROC enum_font_families_ex
+ = GetProcAddress (gdi32, "EnumFontFamiliesExA");
+ if (enum_font_families_ex)
+ return NULL;
+ }
+ /* Load the font and add it to the table. */
{
+ char *full_name, *encoding, *charset;
+ XFontStruct *font;
+ struct font_info *fontp;
LOGFONT lf;
+ BOOL ok;
+ int i;
- if (!name || !x_to_w32_font (name, &lf))
+ if (!fontname || !x_to_w32_font (fontname, &lf))
return (NULL);
+ if (!*lf.lfFaceName)
+ /* If no name was specified for the font, we get a random font
+ from CreateFontIndirect - this is not particularly
+ desirable, especially since CreateFontIndirect does not
+ fill out the missing name in lf, so we never know what we
+ ended up with. */
+ return NULL;
+
font = (XFontStruct *) xmalloc (sizeof (XFontStruct));
+ bzero (font, sizeof (*font));
- if (!font) return (NULL);
+ /* Set bdf to NULL to indicate that this is a Windows font. */
+ font->bdf = NULL;
BLOCK_INPUT;
font->hfont = CreateFontIndirect (&lf);
+
+ if (font->hfont == NULL)
+ {
+ ok = FALSE;
+ }
+ else
+ {
+ HDC hdc;
+ HANDLE oldobj;
+ int codepage = w32_codepage_for_font (fontname);
+
+ hdc = GetDC (dpyinfo->root_window);
+ oldobj = SelectObject (hdc, font->hfont);
+
+ ok = GetTextMetrics (hdc, &font->tm);
+ if (codepage == CP_UNICODE)
+ font->double_byte_p = 1;
+ else
+ font->double_byte_p = GetFontLanguageInfo(hdc) & GCP_DBCS;
+
+ SelectObject (hdc, oldobj);
+ ReleaseDC (dpyinfo->root_window, hdc);
+ /* Fill out details in lf according to the font that was
+ actually loaded. */
+ lf.lfHeight = font->tm.tmInternalLeading - font->tm.tmHeight;
+ lf.lfWidth = font->tm.tmAveCharWidth;
+ lf.lfWeight = font->tm.tmWeight;
+ lf.lfItalic = font->tm.tmItalic;
+ lf.lfCharSet = font->tm.tmCharSet;
+ lf.lfPitchAndFamily = ((font->tm.tmPitchAndFamily & TMPF_FIXED_PITCH)
+ ? VARIABLE_PITCH : FIXED_PITCH);
+ lf.lfOutPrecision = ((font->tm.tmPitchAndFamily & TMPF_VECTOR)
+ ? OUT_STROKE_PRECIS : OUT_STRING_PRECIS);
+
+ w32_cache_char_metrics (font);
+ }
+
+ UNBLOCK_INPUT;
+
+ if (!ok)
+ {
+ w32_unload_font (dpyinfo, font);
+ return (NULL);
+ }
+
+ /* Find a free slot in the font table. */
+ for (i = 0; i < dpyinfo->n_fonts; ++i)
+ if (dpyinfo->font_table[i].name == NULL)
+ break;
+
+ /* If no free slot found, maybe enlarge the font table. */
+ if (i == dpyinfo->n_fonts
+ && dpyinfo->n_fonts == dpyinfo->font_table_size)
+ {
+ int sz;
+ dpyinfo->font_table_size = max (16, 2 * dpyinfo->font_table_size);
+ sz = dpyinfo->font_table_size * sizeof *dpyinfo->font_table;
+ dpyinfo->font_table
+ = (struct font_info *) xrealloc (dpyinfo->font_table, sz);
+ }
+
+ fontp = dpyinfo->font_table + i;
+ if (i == dpyinfo->n_fonts)
+ ++dpyinfo->n_fonts;
+
+ /* Now fill in the slots of *FONTP. */
+ BLOCK_INPUT;
+ fontp->font = font;
+ fontp->font_idx = i;
+ fontp->name = (char *) xmalloc (strlen (fontname) + 1);
+ bcopy (fontname, fontp->name, strlen (fontname) + 1);
+
+ charset = xlfd_charset_of_font (fontname);
+
+ /* Work out the font's full name. */
+ full_name = (char *)xmalloc (100);
+ if (full_name && w32_to_x_font (&lf, full_name, 100, charset))
+ fontp->full_name = full_name;
+ else
+ {
+ /* If all else fails - just use the name we used to load it. */
+ xfree (full_name);
+ fontp->full_name = fontp->name;
+ }
+
+ fontp->size = FONT_WIDTH (font);
+ fontp->height = FONT_HEIGHT (font);
+
+ /* The slot `encoding' specifies how to map a character
+ code-points (0x20..0x7F or 0x2020..0x7F7F) of each charset to
+ the font code-points (0:0x20..0x7F, 1:0xA0..0xFF), or
+ (0:0x20..0x7F, 1:0xA0..0xFF,
+ (0:0x2020..0x7F7F, 1:0xA0A0..0xFFFF, 3:0x20A0..0x7FFF,
+ 2:0xA020..0xFF7F). For the moment, we don't know which charset
+ uses this font. So, we set information in fontp->encoding[1]
+ which is never used by any charset. If mapping can't be
+ decided, set FONT_ENCODING_NOT_DECIDED. */
+
+ /* SJIS fonts need to be set to type 4, all others seem to work as
+ type FONT_ENCODING_NOT_DECIDED. */
+ encoding = strrchr (fontp->name, '-');
+ if (encoding && stricmp (encoding+1, "sjis") == 0)
+ fontp->encoding[1] = 4;
+ else
+ fontp->encoding[1] = FONT_ENCODING_NOT_DECIDED;
+
+ /* The following three values are set to 0 under W32, which is
+ what they get set to if XGetFontProperty fails under X. */
+ fontp->baseline_offset = 0;
+ fontp->relative_compose = 0;
+ fontp->default_ascent = 0;
+
+ /* Set global flag fonts_changed_p to non-zero if the font loaded
+ has a character with a smaller width than any other character
+ before, or if the font loaded has a smalle>r height than any
+ other font loaded before. If this happens, it will make a
+ glyph matrix reallocation necessary. */
+ fonts_changed_p = x_compute_min_glyph_bounds (f);
+ UNBLOCK_INPUT;
+ return fontp;
}
+}
- if (font->hfont == NULL)
- {
- ok = FALSE;
- }
- else
+/* Load font named FONTNAME of size SIZE for frame F, and return a
+ pointer to the structure font_info while allocating it dynamically.
+ If loading fails, return NULL. */
+struct font_info *
+w32_load_font (f,fontname,size)
+struct frame *f;
+char * fontname;
+int size;
+{
+ Lisp_Object bdf_fonts;
+ struct font_info *retval = NULL;
+
+ bdf_fonts = w32_list_bdf_fonts (build_string (fontname), 1);
+
+ while (!retval && CONSP (bdf_fonts))
{
- HDC hdc;
- HANDLE oldobj;
+ char *bdf_name, *bdf_file;
+ Lisp_Object bdf_pair;
- hdc = GetDC (dpyinfo->root_window);
- oldobj = SelectObject (hdc, font->hfont);
- ok = GetTextMetrics (hdc, &font->tm);
- SelectObject (hdc, oldobj);
- ReleaseDC (dpyinfo->root_window, hdc);
- }
+ bdf_name = XSTRING (XCAR (bdf_fonts))->data;
+ bdf_pair = Fassoc (XCAR (bdf_fonts), Vw32_bdf_filename_alist);
+ bdf_file = XSTRING (XCDR (bdf_pair))->data;
- UNBLOCK_INPUT;
+ retval = w32_load_bdf_font (f, bdf_name, size, bdf_file);
- if (ok) return (font);
+ bdf_fonts = XCDR (bdf_fonts);
+ }
+
+ if (retval)
+ return retval;
- w32_unload_font (dpyinfo, font);
- return (NULL);
+ return w32_load_system_font(f, fontname, size);
}
+
void
w32_unload_font (dpyinfo, font)
struct w32_display_info *dpyinfo;
{
if (font)
{
+ if (font->per_char) xfree (font->per_char);
+ if (font->bdf) w32_free_bdf_font (font->bdf);
+
if (font->hfont) DeleteObject(font->hfont);
xfree (font);
}
* (registry "[^-]+")
* (encoding "[^-]+")
* )
- * (setq x-font-regexp
- * (concat "\\`\\*?[-?*]"
- * foundry - family - weight\? - slant\? - swidth - adstyle -
- * pixelsize - pointsize - resx - resy - spacing - registry -
- * encoding "[-?*]\\*?\\'"
- * ))
- * (setq x-font-regexp-head
- * (concat "\\`[-?*]" foundry - family - weight\? - slant\?
- * "\\([-*?]\\|\\'\\)"))
- * (setq x-font-regexp-slant (concat - slant -))
- * (setq x-font-regexp-weight (concat - weight -))
- * nil)
*/
-
-#define FONT_START "[-?]"
-#define FONT_FOUNDRY "[^-]+"
-#define FONT_FAMILY "\\([^-]+\\)" /* 1 */
-#define FONT_WEIGHT "\\(bold\\|demibold\\|medium\\)" /* 2 */
-#define FONT_WEIGHT_Q "\\([^-]*\\)" /* 2 */
-#define FONT_SLANT "\\([ior]\\)" /* 3 */
-#define FONT_SLANT_Q "\\([^-]?\\)" /* 3 */
-#define FONT_SWIDTH "\\([^-]*\\)" /* 4 */
-#define FONT_ADSTYLE "[^-]*"
-#define FONT_PIXELSIZE "[^-]*"
-#define FONT_POINTSIZE "\\([0-9][0-9]+\\|\\*\\)" /* 5 */
-#define FONT_RESX "[0-9][0-9]+"
-#define FONT_RESY "[0-9][0-9]+"
-#define FONT_SPACING "[cmp?*]"
-#define FONT_AVGWIDTH "[0-9]+"
-#define FONT_REGISTRY "[^-]+"
-#define FONT_ENCODING "[^-]+"
-
-#define FONT_REGEXP ("\\`\\*?[-?*]" \
- FONT_FOUNDRY "-" \
- FONT_FAMILY "-" \
- FONT_WEIGHT_Q "-" \
- FONT_SLANT_Q "-" \
- FONT_SWIDTH "-" \
- FONT_ADSTYLE "-" \
- FONT_PIXELSIZE "-" \
- FONT_POINTSIZE "-" \
- "[-?*]\\|\\'")
-
-#define FONT_REGEXP_HEAD ("\\`[-?*]" \
- FONT_FOUNDRY "-" \
- FONT_FAMILY "-" \
- FONT_WEIGHT_Q "-" \
- FONT_SLANT_Q \
- "\\([-*?]\\|\\'\\)")
-
-#define FONT_REGEXP_SLANT "-" FONT_SLANT "-"
-#define FONT_REGEXP_WEIGHT "-" FONT_WEIGHT "-"
-
-LONG
+
+static LONG
x_to_w32_weight (lpw)
char * lpw;
{
else if (stricmp (lpw,"extrabold") == 0) return FW_EXTRABOLD;
else if (stricmp (lpw,"bold") == 0) return FW_BOLD;
else if (stricmp (lpw,"demibold") == 0) return FW_SEMIBOLD;
+ else if (stricmp (lpw,"semibold") == 0) return FW_SEMIBOLD;
else if (stricmp (lpw,"medium") == 0) return FW_MEDIUM;
else if (stricmp (lpw,"normal") == 0) return FW_NORMAL;
else if (stricmp (lpw,"light") == 0) return FW_LIGHT;
}
-char *
+static char *
w32_to_x_weight (fnweight)
int fnweight;
{
if (fnweight >= FW_HEAVY) return "heavy";
if (fnweight >= FW_EXTRABOLD) return "extrabold";
if (fnweight >= FW_BOLD) return "bold";
- if (fnweight >= FW_SEMIBOLD) return "semibold";
+ if (fnweight >= FW_SEMIBOLD) return "demibold";
if (fnweight >= FW_MEDIUM) return "medium";
if (fnweight >= FW_NORMAL) return "normal";
if (fnweight >= FW_LIGHT) return "light";
return "*";
}
-LONG
+static LONG
x_to_w32_charset (lpcs)
char * lpcs;
{
- if (!lpcs) return (0);
+ Lisp_Object this_entry, w32_charset;
+
+ /* Look through w32-charset-info-alist for the character set.
+ Format of each entry is
+ (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)).
+ */
+ this_entry = Fassoc (build_string(lpcs), Vw32_charset_info_alist);
+
+ if (NILP(this_entry))
+ {
+ /* At startup, we want iso8859-1 fonts to come up properly. */
+ if (stricmp(lpcs, "iso8859-1") == 0)
+ return ANSI_CHARSET;
+ else
+ return DEFAULT_CHARSET;
+ }
- if (stricmp (lpcs,"ansi") == 0) return ANSI_CHARSET;
- else if (stricmp (lpcs,"iso8859-1") == 0) return ANSI_CHARSET;
- else if (stricmp (lpcs,"iso8859") == 0) return ANSI_CHARSET;
- else if (stricmp (lpcs,"oem") == 0) return OEM_CHARSET;
+ w32_charset = Fcar (Fcdr (this_entry));
+
+ // Translate Lisp symbol to number.
+ if (w32_charset == Qw32_charset_ansi)
+ return ANSI_CHARSET;
+ if (w32_charset == Qw32_charset_symbol)
+ return SYMBOL_CHARSET;
+ if (w32_charset == Qw32_charset_shiftjis)
+ return SHIFTJIS_CHARSET;
+ if (w32_charset == Qw32_charset_hangeul)
+ return HANGEUL_CHARSET;
+ if (w32_charset == Qw32_charset_chinesebig5)
+ return CHINESEBIG5_CHARSET;
+ if (w32_charset == Qw32_charset_gb2312)
+ return GB2312_CHARSET;
+ if (w32_charset == Qw32_charset_oem)
+ return OEM_CHARSET;
+#ifdef JOHAB_CHARSET
+ if (w32_charset == Qw32_charset_johab)
+ return JOHAB_CHARSET;
+ if (w32_charset == Qw32_charset_easteurope)
+ return EASTEUROPE_CHARSET;
+ if (w32_charset == Qw32_charset_turkish)
+ return TURKISH_CHARSET;
+ if (w32_charset == Qw32_charset_baltic)
+ return BALTIC_CHARSET;
+ if (w32_charset == Qw32_charset_russian)
+ return RUSSIAN_CHARSET;
+ if (w32_charset == Qw32_charset_arabic)
+ return ARABIC_CHARSET;
+ if (w32_charset == Qw32_charset_greek)
+ return GREEK_CHARSET;
+ if (w32_charset == Qw32_charset_hebrew)
+ return HEBREW_CHARSET;
+ if (w32_charset == Qw32_charset_vietnamese)
+ return VIETNAMESE_CHARSET;
+ if (w32_charset == Qw32_charset_thai)
+ return THAI_CHARSET;
+ if (w32_charset == Qw32_charset_mac)
+ return MAC_CHARSET;
+#endif /* JOHAB_CHARSET */
#ifdef UNICODE_CHARSET
- else if (stricmp (lpcs,"unicode") == 0) return UNICODE_CHARSET;
- else if (stricmp (lpcs,"iso10646") == 0) return UNICODE_CHARSET;
+ if (w32_charset == Qw32_charset_unicode)
+ return UNICODE_CHARSET;
#endif
- else
- return 0;
+
+ return DEFAULT_CHARSET;
}
-char *
+
+static char *
w32_to_x_charset (fncharset)
int fncharset;
{
+ static char buf[16];
+ Lisp_Object charset_type;
+
switch (fncharset)
{
- case ANSI_CHARSET: return "ansi";
- case OEM_CHARSET: return "oem";
- case SYMBOL_CHARSET: return "symbol";
+ case ANSI_CHARSET:
+ /* Handle startup case of w32-charset-info-alist not
+ being set up yet. */
+ if (NILP(Vw32_charset_info_alist))
+ return "iso8859-1";
+ charset_type = Qw32_charset_ansi;
+ break;
+ case DEFAULT_CHARSET:
+ charset_type = Qw32_charset_default;
+ break;
+ case SYMBOL_CHARSET:
+ charset_type = Qw32_charset_symbol;
+ break;
+ case SHIFTJIS_CHARSET:
+ charset_type = Qw32_charset_shiftjis;
+ break;
+ case HANGEUL_CHARSET:
+ charset_type = Qw32_charset_hangeul;
+ break;
+ case GB2312_CHARSET:
+ charset_type = Qw32_charset_gb2312;
+ break;
+ case CHINESEBIG5_CHARSET:
+ charset_type = Qw32_charset_chinesebig5;
+ break;
+ case OEM_CHARSET:
+ charset_type = Qw32_charset_oem;
+ break;
+
+ /* More recent versions of Windows (95 and NT4.0) define more
+ character sets. */
+#ifdef EASTEUROPE_CHARSET
+ case EASTEUROPE_CHARSET:
+ charset_type = Qw32_charset_easteurope;
+ break;
+ case TURKISH_CHARSET:
+ charset_type = Qw32_charset_turkish;
+ break;
+ case BALTIC_CHARSET:
+ charset_type = Qw32_charset_baltic;
+ break;
+ case RUSSIAN_CHARSET:
+ charset_type = Qw32_charset_russian;
+ break;
+ case ARABIC_CHARSET:
+ charset_type = Qw32_charset_arabic;
+ break;
+ case GREEK_CHARSET:
+ charset_type = Qw32_charset_greek;
+ break;
+ case HEBREW_CHARSET:
+ charset_type = Qw32_charset_hebrew;
+ break;
+ case VIETNAMESE_CHARSET:
+ charset_type = Qw32_charset_vietnamese;
+ break;
+ case THAI_CHARSET:
+ charset_type = Qw32_charset_thai;
+ break;
+ case MAC_CHARSET:
+ charset_type = Qw32_charset_mac;
+ break;
+ case JOHAB_CHARSET:
+ charset_type = Qw32_charset_johab;
+ break;
+#endif
+
#ifdef UNICODE_CHARSET
- case UNICODE_CHARSET: return "unicode";
+ case UNICODE_CHARSET:
+ charset_type = Qw32_charset_unicode;
+ break;
#endif
+ default:
+ /* Encode numerical value of unknown charset. */
+ sprintf (buf, "*-#%u", fncharset);
+ return buf;
}
- return "*";
+
+ {
+ Lisp_Object rest;
+ char * best_match = NULL;
+
+ /* Look through w32-charset-info-alist for the character set.
+ Prefer ISO codepages, and prefer lower numbers in the ISO
+ range. Only return charsets for codepages which are installed.
+
+ Format of each entry is
+ (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)).
+ */
+ for (rest = Vw32_charset_info_alist; CONSP (rest); rest = XCDR (rest))
+ {
+ char * x_charset;
+ Lisp_Object w32_charset;
+ Lisp_Object codepage;
+
+ Lisp_Object this_entry = XCAR (rest);
+
+ /* Skip invalid entries in alist. */
+ if (!CONSP (this_entry) || !STRINGP (XCAR (this_entry))
+ || !CONSP (XCDR (this_entry))
+ || !SYMBOLP (XCAR (XCDR (this_entry))))
+ continue;
+
+ x_charset = XSTRING (XCAR (this_entry))->data;
+ w32_charset = XCAR (XCDR (this_entry));
+ codepage = XCDR (XCDR (this_entry));
+
+ /* Look for Same charset and a valid codepage (or non-int
+ which means ignore). */
+ if (w32_charset == charset_type
+ && (!INTEGERP (codepage) || codepage == CP_DEFAULT
+ || IsValidCodePage (XINT (codepage))))
+ {
+ /* If we don't have a match already, then this is the
+ best. */
+ if (!best_match)
+ best_match = x_charset;
+ /* If this is an ISO codepage, and the best so far isn't,
+ then this is better. */
+ else if (stricmp (best_match, "iso") != 0
+ && stricmp (x_charset, "iso") == 0)
+ best_match = x_charset;
+ /* If both are ISO8859 codepages, choose the one with the
+ lowest number in the encoding field. */
+ else if (stricmp (best_match, "iso8859-") == 0
+ && stricmp (x_charset, "iso8859-") == 0)
+ {
+ int best_enc = atoi (best_match + 8);
+ int this_enc = atoi (x_charset + 8);
+ if (this_enc > 0 && this_enc < best_enc)
+ best_match = x_charset;
+ }
+ }
+ }
+
+ /* If no match, encode the numeric value. */
+ if (!best_match)
+ {
+ sprintf (buf, "*-#%u", fncharset);
+ return buf;
+ }
+
+ strncpy(buf, best_match, 15);
+ buf[15] = '\0';
+ return buf;
+ }
}
-BOOL
-w32_to_x_font (lplogfont, lpxstr, len)
+
+/* Get the Windows codepage corresponding to the specified font. The
+ charset info in the font name is used to look up
+ w32-charset-to-codepage-alist. */
+int
+w32_codepage_for_font (char *fontname)
+{
+ Lisp_Object codepage, entry;
+ char *charset_str, *charset, *end;
+
+ if (NILP (Vw32_charset_info_alist))
+ return CP_DEFAULT;
+
+ /* Extract charset part of font string. */
+ charset = xlfd_charset_of_font (fontname);
+
+ if (!charset)
+ return CP_UNKNOWN;
+
+ charset_str = (char *) alloca (strlen (charset));
+ strcpy (charset_str, charset);
+
+ /* Remove leading "*-". */
+ if (strncmp ("*-", charset_str, 2) == 0)
+ charset = charset_str + 2;
+ else
+ charset = charset_str;
+
+ /* Stop match at wildcard (including preceding '-'). */
+ if (end = strchr (charset, '*'))
+ {
+ if (end > charset && *(end-1) == '-')
+ end--;
+ *end = '\0';
+ }
+
+ entry = Fassoc (build_string(charset), Vw32_charset_info_alist);
+ if (NILP (entry))
+ return CP_UNKNOWN;
+
+ codepage = Fcdr (Fcdr (entry));
+
+ if (NILP (codepage))
+ return CP_8BIT;
+ else if (XFASTINT (codepage) == XFASTINT (Qt))
+ return CP_UNICODE;
+ else if (INTEGERP (codepage))
+ return XINT (codepage);
+ else
+ return CP_UNKNOWN;
+}
+
+
+static BOOL
+w32_to_x_font (lplogfont, lpxstr, len, specific_charset)
LOGFONT * lplogfont;
char * lpxstr;
int len;
+ char * specific_charset;
{
+ char* fonttype;
+ char *fontname;
char height_pixels[8];
char height_dpi[8];
char width_pixels[8];
+ char *fontname_dash;
+ int display_resy = one_w32_display_info.resy;
+ int display_resx = one_w32_display_info.resx;
+ int bufsz;
+ struct coding_system coding;
if (!lpxstr) abort ();
if (!lplogfont)
return FALSE;
+ if (lplogfont->lfOutPrecision == OUT_STRING_PRECIS)
+ fonttype = "raster";
+ else if (lplogfont->lfOutPrecision == OUT_STROKE_PRECIS)
+ fonttype = "outline";
+ else
+ fonttype = "unknown";
+
+ setup_coding_system (Fcheck_coding_system (Vw32_system_coding_system),
+ &coding);
+ coding.src_multibyte = 0;
+ coding.dst_multibyte = 1;
+ coding.mode |= CODING_MODE_LAST_BLOCK;
+ bufsz = decoding_buffer_size (&coding, LF_FACESIZE);
+
+ fontname = alloca(sizeof(*fontname) * bufsz);
+ decode_coding (&coding, lplogfont->lfFaceName, fontname,
+ strlen(lplogfont->lfFaceName), bufsz - 1);
+ *(fontname + coding.produced) = '\0';
+
+ /* Replace dashes with underscores so the dashes are not
+ misinterpreted. */
+ fontname_dash = fontname;
+ while (fontname_dash = strchr (fontname_dash, '-'))
+ *fontname_dash = '_';
+
if (lplogfont->lfHeight)
{
sprintf (height_pixels, "%u", abs (lplogfont->lfHeight));
sprintf (height_dpi, "%u",
- (abs (lplogfont->lfHeight) * 720) / one_w32_display_info.height_in);
+ abs (lplogfont->lfHeight) * 720 / display_resy);
}
else
{
strcpy (width_pixels, "*");
_snprintf (lpxstr, len - 1,
- "-*-%s-%s-%c-*-*-%s-%s-*-*-%c-%s-*-%s-",
- lplogfont->lfFaceName,
- w32_to_x_weight (lplogfont->lfWeight),
- lplogfont->lfItalic?'i':'r',
- height_pixels,
- height_dpi,
- ((lplogfont->lfPitchAndFamily & 0x3) == VARIABLE_PITCH) ? 'p' : 'c',
- width_pixels,
- w32_to_x_charset (lplogfont->lfCharSet)
+ "-%s-%s-%s-%c-normal-normal-%s-%s-%d-%d-%c-%s-%s",
+ fonttype, /* foundry */
+ fontname, /* family */
+ w32_to_x_weight (lplogfont->lfWeight), /* weight */
+ lplogfont->lfItalic?'i':'r', /* slant */
+ /* setwidth name */
+ /* add style name */
+ height_pixels, /* pixel size */
+ height_dpi, /* point size */
+ display_resx, /* resx */
+ display_resy, /* resy */
+ ((lplogfont->lfPitchAndFamily & 0x3) == VARIABLE_PITCH)
+ ? 'p' : 'c', /* spacing */
+ width_pixels, /* avg width */
+ specific_charset ? specific_charset
+ : w32_to_x_charset (lplogfont->lfCharSet)
+ /* charset registry and encoding */
);
lpxstr[len - 1] = 0; /* just to be sure */
return (TRUE);
}
-BOOL
+static BOOL
x_to_w32_font (lpxstr, lplogfont)
char * lpxstr;
LOGFONT * lplogfont;
{
+ struct coding_system coding;
+
if (!lplogfont) return (FALSE);
-
+
memset (lplogfont, 0, sizeof (*lplogfont));
+ /* Set default value for each field. */
#if 1
lplogfont->lfOutPrecision = OUT_DEFAULT_PRECIS;
lplogfont->lfClipPrecision = CLIP_DEFAULT_PRECIS;
lplogfont->lfQuality = PROOF_QUALITY;
#endif
+ lplogfont->lfCharSet = DEFAULT_CHARSET;
+ lplogfont->lfWeight = FW_DONTCARE;
+ lplogfont->lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
+
if (!lpxstr)
return FALSE;
if (*lpxstr == '-')
{
- int fields;
- char name[50], weight[20], slant, pitch, pixels[10], height[10], width[10], remainder[20];
+ int fields, tem;
+ char name[50], weight[20], slant, pitch, pixels[10], height[10],
+ width[10], resy[10], remainder[20];
char * encoding;
+ int dpi = one_w32_display_info.resy;
fields = sscanf (lpxstr,
- "-%*[^-]-%49[^-]-%19[^-]-%c-%*[^-]-%*[^-]-%9[^-]-%9[^-]-%*[^-]-%*[^-]-%c-%9[^-]-%19s",
- name, weight, &slant, pixels, height, &pitch, width, remainder);
-
+ "-%*[^-]-%49[^-]-%19[^-]-%c-%*[^-]-%*[^-]-%9[^-]-%9[^-]-%*[^-]-%9[^-]-%c-%9[^-]-%19s",
+ name, weight, &slant, pixels, height, resy, &pitch, width, remainder);
if (fields == EOF) return (FALSE);
+ /* If wildcards cover more than one field, we don't know which
+ field is which, so don't fill any in. */
+
+ if (fields < 9)
+ fields = 0;
+
if (fields > 0 && name[0] != '*')
{
- strncpy (lplogfont->lfFaceName,name, LF_FACESIZE);
- lplogfont->lfFaceName[LF_FACESIZE-1] = 0;
+ int bufsize;
+ unsigned char *buf;
+
+ setup_coding_system
+ (Fcheck_coding_system (Vw32_system_coding_system), &coding);
+ coding.src_multibyte = 1;
+ coding.dst_multibyte = 1;
+ bufsize = encoding_buffer_size (&coding, strlen (name));
+ buf = (unsigned char *) alloca (bufsize);
+ coding.mode |= CODING_MODE_LAST_BLOCK;
+ encode_coding (&coding, name, buf, strlen (name), bufsize);
+ if (coding.produced >= LF_FACESIZE)
+ coding.produced = LF_FACESIZE - 1;
+ buf[coding.produced] = 0;
+ strcpy (lplogfont->lfFaceName, buf);
}
else
{
- lplogfont->lfFaceName[0] = 0;
+ lplogfont->lfFaceName[0] = '\0';
}
fields--;
fields--;
- if (!NILP (Vw32_enable_italics))
- lplogfont->lfItalic = (fields > 0 && slant == 'i');
+ lplogfont->lfItalic = (fields > 0 && slant == 'i');
fields--;
lplogfont->lfHeight = atoi (pixels);
fields--;
-
- if (fields > 0 && lplogfont->lfHeight == 0 && height[0] != '*')
- lplogfont->lfHeight = (atoi (height)
- * one_w32_display_info.height_in) / 720;
-
fields--;
+ if (fields > 0 && resy[0] != '*')
+ {
+ tem = atoi (resy);
+ if (tem > 0) dpi = tem;
+ }
+ if (fields > -1 && lplogfont->lfHeight == 0 && height[0] != '*')
+ lplogfont->lfHeight = atoi (height) * dpi / 720;
+
+ if (fields > 0)
lplogfont->lfPitchAndFamily =
(fields > 0 && pitch == 'p') ? VARIABLE_PITCH : FIXED_PITCH;
fields--;
- /* Not all font specs include the registry field, so we allow for an
- optional registry field before the encoding when parsing
- remainder. Also we strip the trailing '-' if present. */
+ /* Strip the trailing '-' if present. (it shouldn't be, as it
+ fails the test against xlfd-tight-regexp in fontset.el). */
{
int len = strlen (remainder);
if (len > 0 && remainder[len-1] == '-')
/* This makes TrueType fonts work better. */
lplogfont->lfHeight = - abs (lplogfont->lfHeight);
-
+
return (TRUE);
}
-BOOL
-w32_font_match (lpszfont1, lpszfont2)
- char * lpszfont1;
- char * lpszfont2;
+/* Strip the pixel height and point height from the given xlfd, and
+ return the pixel height. If no pixel height is specified, calculate
+ one from the point height, or if that isn't defined either, return
+ 0 (which usually signifies a scalable font).
+*/
+static int
+xlfd_strip_height (char *fontname)
{
- char * s1 = lpszfont1, *e1;
- char * s2 = lpszfont2, *e2;
-
- if (s1 == NULL || s2 == NULL) return (FALSE);
-
- if (*s1 == '-') s1++;
- if (*s2 == '-') s2++;
-
- while (1)
+ int pixel_height, field_number;
+ char *read_from, *write_to;
+
+ xassert (fontname);
+
+ pixel_height = field_number = 0;
+ write_to = NULL;
+
+ /* Look for height fields. */
+ for (read_from = fontname; *read_from; read_from++)
+ {
+ if (*read_from == '-')
+ {
+ field_number++;
+ if (field_number == 7) /* Pixel height. */
+ {
+ read_from++;
+ write_to = read_from;
+
+ /* Find end of field. */
+ for (;*read_from && *read_from != '-'; read_from++)
+ ;
+
+ /* Split the fontname at end of field. */
+ if (*read_from)
+ {
+ *read_from = '\0';
+ read_from++;
+ }
+ pixel_height = atoi (write_to);
+ /* Blank out field. */
+ if (read_from > write_to)
+ {
+ *write_to = '-';
+ write_to++;
+ }
+ /* If the pixel height field is at the end (partial xlfd),
+ return now. */
+ else
+ return pixel_height;
+
+ /* If we got a pixel height, the point height can be
+ ignored. Just blank it out and break now. */
+ if (pixel_height)
+ {
+ /* Find end of point size field. */
+ for (; *read_from && *read_from != '-'; read_from++)
+ ;
+
+ if (*read_from)
+ read_from++;
+
+ /* Blank out the point size field. */
+ if (read_from > write_to)
+ {
+ *write_to = '-';
+ write_to++;
+ }
+ else
+ return pixel_height;
+
+ break;
+ }
+ /* If the point height is already blank, break now. */
+ if (*read_from == '-')
+ {
+ read_from++;
+ break;
+ }
+ }
+ else if (field_number == 8)
+ {
+ /* If we didn't get a pixel height, try to get the point
+ height and convert that. */
+ int point_size;
+ char *point_size_start = read_from++;
+
+ /* Find end of field. */
+ for (; *read_from && *read_from != '-'; read_from++)
+ ;
+
+ if (*read_from)
+ {
+ *read_from = '\0';
+ read_from++;
+ }
+
+ point_size = atoi (point_size_start);
+
+ /* Convert to pixel height. */
+ pixel_height = point_size
+ * one_w32_display_info.height_in / 720;
+
+ /* Blank out this field and break. */
+ *write_to = '-';
+ write_to++;
+ break;
+ }
+ }
+ }
+
+ /* Shift the rest of the font spec into place. */
+ if (write_to && read_from > write_to)
{
- int len1, len2;
+ for (; *read_from; read_from++, write_to++)
+ *write_to = *read_from;
+ *write_to = '\0';
+ }
- e1 = strchr (s1, '-');
- e2 = strchr (s2, '-');
+ return pixel_height;
+}
- if (e1 == NULL || e2 == NULL) return (TRUE);
+/* Assume parameter 1 is fully qualified, no wildcards. */
+static BOOL
+w32_font_match (fontname, pattern)
+ char * fontname;
+ char * pattern;
+{
+ char *regex = alloca (strlen (pattern) * 2 + 3);
+ char *font_name_copy = alloca (strlen (fontname) + 1);
+ char *ptr;
- len1 = e1 - s1;
- len2 = e2 - s2;
+ /* Copy fontname so we can modify it during comparison. */
+ strcpy (font_name_copy, fontname);
- if (*s1 != '*' && *s2 != '*'
- && (len1 != len2 || strnicmp (s1, s2, len1) != 0))
- return (FALSE);
+ ptr = regex;
+ *ptr++ = '^';
- s1 = e1 + 1;
- s2 = e2 + 1;
+ /* Turn pattern into a regexp and do a regexp match. */
+ for (; *pattern; pattern++)
+ {
+ if (*pattern == '?')
+ *ptr++ = '.';
+ else if (*pattern == '*')
+ {
+ *ptr++ = '.';
+ *ptr++ = '*';
+ }
+ else
+ *ptr++ = *pattern;
}
+ *ptr = '$';
+ *(ptr + 1) = '\0';
+
+ /* Strip out font heights and compare them seperately, since
+ rounding error can cause mismatches. This also allows a
+ comparison between a font that declares only a pixel height and a
+ pattern that declares the point height.
+ */
+ {
+ int font_height, pattern_height;
+
+ font_height = xlfd_strip_height (font_name_copy);
+ pattern_height = xlfd_strip_height (regex);
+
+ /* Compare now, and don't bother doing expensive regexp matching
+ if the heights differ. */
+ if (font_height && pattern_height && (font_height != pattern_height))
+ return FALSE;
+ }
+
+ return (fast_c_string_match_ignore_case (build_string (regex),
+ font_name_copy) >= 0);
}
+/* Callback functions, and a structure holding info they need, for
+ listing system fonts on W32. We need one set of functions to do the
+ job properly, but these don't work on NT 3.51 and earlier, so we
+ have a second set which don't handle character sets properly to
+ fall back on.
+
+ In both cases, there are two passes made. The first pass gets one
+ font from each family, the second pass lists all the fonts from
+ each family. */
+
typedef struct enumfont_t
{
HDC hdc;
LOGFONT logfont;
XFontStruct *size_ref;
Lisp_Object *pattern;
- Lisp_Object *head;
Lisp_Object *tail;
} enumfont_t;
-int CALLBACK
+static int CALLBACK
enum_font_cb2 (lplf, lptm, FontType, lpef)
ENUMLOGFONT * lplf;
NEWTEXTMETRIC * lptm;
int FontType;
enumfont_t * lpef;
{
- if (lplf->elfLogFont.lfStrikeOut || lplf->elfLogFont.lfUnderline
- || (lplf->elfLogFont.lfCharSet != ANSI_CHARSET && lplf->elfLogFont.lfCharSet != OEM_CHARSET))
+ if (lplf->elfLogFont.lfStrikeOut || lplf->elfLogFont.lfUnderline)
return (1);
- /* if (!lpef->size_ref || lptm->tmMaxCharWidth == FONT_WIDTH (lpef->size_ref)) */
+ /* Check that the character set matches if it was specified */
+ if (lpef->logfont.lfCharSet != DEFAULT_CHARSET &&
+ lplf->elfLogFont.lfCharSet != lpef->logfont.lfCharSet)
+ return (1);
+
{
char buf[100];
+ Lisp_Object width = Qnil;
+ char *charset = NULL;
+
+ /* Truetype fonts do not report their true metrics until loaded */
+ if (FontType != RASTER_FONTTYPE)
+ {
+ if (!NILP (*(lpef->pattern)))
+ {
+ /* Scalable fonts are as big as you want them to be. */
+ lplf->elfLogFont.lfHeight = lpef->logfont.lfHeight;
+ lplf->elfLogFont.lfWidth = lpef->logfont.lfWidth;
+ width = make_number (lpef->logfont.lfWidth);
+ }
+ else
+ {
+ lplf->elfLogFont.lfHeight = 0;
+ lplf->elfLogFont.lfWidth = 0;
+ }
+ }
+
+ /* Make sure the height used here is the same as everywhere
+ else (ie character height, not cell height). */
+ if (lplf->elfLogFont.lfHeight > 0)
+ {
+ /* lptm can be trusted for RASTER fonts, but not scalable ones. */
+ if (FontType == RASTER_FONTTYPE)
+ lplf->elfLogFont.lfHeight = lptm->tmInternalLeading - lptm->tmHeight;
+ else
+ lplf->elfLogFont.lfHeight = -lplf->elfLogFont.lfHeight;
+ }
- if (!NILP (*(lpef->pattern)) && FontType == TRUETYPE_FONTTYPE)
+ if (!NILP (*(lpef->pattern)))
{
- lplf->elfLogFont.lfHeight = lpef->logfont.lfHeight;
- lplf->elfLogFont.lfWidth = lpef->logfont.lfWidth;
+ charset = xlfd_charset_of_font (XSTRING(*(lpef->pattern))->data);
+
+ /* Ensure that charset is valid for this font. */
+ if (charset
+ && (x_to_w32_charset (charset) != lplf->elfLogFont.lfCharSet))
+ charset = NULL;
}
- if (!w32_to_x_font (lplf, buf, 100)) return (0);
+ /* TODO: List all relevant charsets if charset not specified. */
+ if (!w32_to_x_font (&(lplf->elfLogFont), buf, 100, charset))
+ return (0);
- if (NILP (*(lpef->pattern)) || w32_font_match (buf, XSTRING (*(lpef->pattern))->data))
+ if (NILP (*(lpef->pattern))
+ || w32_font_match (buf, XSTRING (*(lpef->pattern))->data))
{
- *lpef->tail = Fcons (build_string (buf), Qnil);
- lpef->tail = &XCONS (*lpef->tail)->cdr;
+ *lpef->tail = Fcons (Fcons (build_string (buf), width), Qnil);
+ lpef->tail = &(XCDR (*lpef->tail));
lpef->numFonts++;
}
}
-
+
return (1);
}
-int CALLBACK
+static int CALLBACK
enum_font_cb1 (lplf, lptm, FontType, lpef)
ENUMLOGFONT * lplf;
NEWTEXTMETRIC * lptm;
}
-DEFUN ("x-list-fonts", Fx_list_fonts, Sx_list_fonts, 1, 3, 0,
- "Return a list of the names of available fonts matching PATTERN.\n\
-If optional arguments FACE and FRAME are specified, return only fonts\n\
-the same size as FACE on FRAME.\n\
-\n\
-PATTERN is a string, perhaps with wildcard characters;\n\
- the * character matches any substring, and\n\
- the ? character matches any single character.\n\
- PATTERN is case-insensitive.\n\
-FACE is a face name--a symbol.\n\
-\n\
-The return value is a list of strings, suitable as arguments to\n\
-set-face-font.\n\
-\n\
-Fonts Emacs can't use (i.e. proportional fonts) may or may not be excluded\n\
-even if they match PATTERN and FACE.")
- (pattern, face, frame)
- Lisp_Object pattern, face, frame;
-{
- int num_fonts;
- char **names;
- XFontStruct *info;
- XFontStruct *size_ref;
- Lisp_Object namelist;
- Lisp_Object list;
- FRAME_PTR f;
- enumfont_t ef;
+static int CALLBACK
+enum_fontex_cb2 (lplf, lptm, font_type, lpef)
+ ENUMLOGFONTEX * lplf;
+ NEWTEXTMETRICEX * lptm;
+ int font_type;
+ enumfont_t * lpef;
+{
+ /* We are not interested in the extra info we get back from the 'Ex
+ version - only the fact that we get character set variations
+ enumerated seperately. */
+ return enum_font_cb2 ((ENUMLOGFONT *) lplf, (NEWTEXTMETRIC *) lptm,
+ font_type, lpef);
+}
+
+static int CALLBACK
+enum_fontex_cb1 (lplf, lptm, font_type, lpef)
+ ENUMLOGFONTEX * lplf;
+ NEWTEXTMETRICEX * lptm;
+ int font_type;
+ enumfont_t * lpef;
+{
+ HMODULE gdi32 = GetModuleHandle ("gdi32.dll");
+ FARPROC enum_font_families_ex
+ = GetProcAddress ( gdi32, "EnumFontFamiliesExA");
+ /* We don't really expect EnumFontFamiliesEx to disappear once we
+ get here, so don't bother handling it gracefully. */
+ if (enum_font_families_ex == NULL)
+ error ("gdi32.dll has disappeared!");
+ return enum_font_families_ex (lpef->hdc,
+ &lplf->elfLogFont,
+ (FONTENUMPROC) enum_fontex_cb2,
+ (LPARAM) lpef, 0);
+}
- CHECK_STRING (pattern, 0);
- if (!NILP (face))
- CHECK_SYMBOL (face, 1);
+/* Interface to fontset handler. (adapted from mw32font.c in Meadow
+ and xterm.c in Emacs 20.3) */
- f = check_x_frame (frame);
+static Lisp_Object w32_list_bdf_fonts (Lisp_Object pattern, int max_names)
+{
+ char *fontname, *ptnstr;
+ Lisp_Object list, tem, newlist = Qnil;
+ int n_fonts = 0;
- /* Determine the width standard for comparison with the fonts we find. */
+ list = Vw32_bdf_filename_alist;
+ ptnstr = XSTRING (pattern)->data;
- if (NILP (face))
- size_ref = 0;
- else
+ for ( ; CONSP (list); list = XCDR (list))
{
- int face_id;
+ tem = XCAR (list);
+ if (CONSP (tem))
+ fontname = XSTRING (XCAR (tem))->data;
+ else if (STRINGP (tem))
+ fontname = XSTRING (tem)->data;
+ else
+ continue;
- /* Don't die if we get called with a terminal frame. */
- if (! FRAME_W32_P (f))
- error ("non-w32 frame used in `x-list-fonts'");
+ if (w32_font_match (fontname, ptnstr))
+ {
+ newlist = Fcons (XCAR (tem), newlist);
+ n_fonts++;
+ if (n_fonts >= max_names)
+ break;
+ }
+ }
- face_id = face_name_id_number (f, face);
+ return newlist;
+}
- if (face_id < 0 || face_id >= FRAME_N_PARAM_FACES (f)
- || FRAME_PARAM_FACES (f) [face_id] == 0)
- size_ref = f->output_data.w32->font;
- else
- {
- size_ref = FRAME_PARAM_FACES (f) [face_id]->font;
- if (size_ref == (XFontStruct *) (~0))
- size_ref = f->output_data.w32->font;
- }
- }
+static Lisp_Object w32_list_synthesized_fonts (FRAME_PTR f,
+ Lisp_Object pattern,
+ int size, int max_names);
+
+/* Return a list of names of available fonts matching PATTERN on frame
+ F. If SIZE is not 0, it is the size (maximum bound width) of fonts
+ to be listed. Frame F NULL means we have not yet created any
+ frame, which means we can't get proper size info, as we don't have
+ a device context to use for GetTextMetrics.
+ MAXNAMES sets a limit on how many fonts to match. */
- /* See if we cached the result for this particular query. */
- list = Fassoc (pattern,
- XCONS (FRAME_W32_DISPLAY_INFO (f)->name_list_element)->cdr);
+Lisp_Object
+w32_list_fonts (f, pattern, size, maxnames)
+ struct frame *f;
+ Lisp_Object pattern;
+ int size;
+ int maxnames;
+{
+ Lisp_Object patterns, key = Qnil, tem, tpat;
+ Lisp_Object list = Qnil, newlist = Qnil, second_best = Qnil;
+ struct w32_display_info *dpyinfo = &one_w32_display_info;
+ int n_fonts = 0;
- /* We have info in the cache for this PATTERN. */
- if (!NILP (list))
+ patterns = Fassoc (pattern, Valternate_fontname_alist);
+ if (NILP (patterns))
+ patterns = Fcons (pattern, Qnil);
+
+ for (; CONSP (patterns); patterns = XCDR (patterns))
{
- Lisp_Object tem, newlist;
+ enumfont_t ef;
+ int codepage;
+
+ tpat = XCAR (patterns);
+
+ if (!STRINGP (tpat))
+ continue;
- /* We have info about this pattern. */
- list = XCONS (list)->cdr;
+ /* Avoid expensive EnumFontFamilies functions if we are not
+ going to be able to output one of these anyway. */
+ codepage = w32_codepage_for_font (XSTRING (tpat)->data);
+ if (codepage != CP_8BIT && codepage != CP_UNICODE
+ && codepage != CP_DEFAULT && codepage != CP_UNKNOWN
+ && !IsValidCodePage(codepage))
+ continue;
- if (size_ref == 0)
- return list;
+ /* See if we cached the result for this particular query.
+ The cache is an alist of the form:
+ ((PATTERN (FONTNAME . WIDTH) ...) ...)
+ */
+ if (tem = XCDR (dpyinfo->name_list_element),
+ !NILP (list = Fassoc (tpat, tem)))
+ {
+ list = Fcdr_safe (list);
+ /* We have a cached list. Don't have to get the list again. */
+ goto label_cached;
+ }
BLOCK_INPUT;
+ /* At first, put PATTERN in the cache. */
+ list = Qnil;
+ ef.pattern = &tpat;
+ ef.tail = &list;
+ ef.numFonts = 0;
+
+ /* Use EnumFontFamiliesEx where it is available, as it knows
+ about character sets. Fall back to EnumFontFamilies for
+ older versions of NT that don't support the 'Ex function. */
+ x_to_w32_font (XSTRING (tpat)->data, &ef.logfont);
+ {
+ LOGFONT font_match_pattern;
+ HMODULE gdi32 = GetModuleHandle ("gdi32.dll");
+ FARPROC enum_font_families_ex
+ = GetProcAddress ( gdi32, "EnumFontFamiliesExA");
+
+ /* We do our own pattern matching so we can handle wildcards. */
+ font_match_pattern.lfFaceName[0] = 0;
+ font_match_pattern.lfPitchAndFamily = 0;
+ /* We can use the charset, because if it is a wildcard it will
+ be DEFAULT_CHARSET anyway. */
+ font_match_pattern.lfCharSet = ef.logfont.lfCharSet;
+
+ ef.hdc = GetDC (dpyinfo->root_window);
+
+ if (enum_font_families_ex)
+ enum_font_families_ex (ef.hdc,
+ &font_match_pattern,
+ (FONTENUMPROC) enum_fontex_cb1,
+ (LPARAM) &ef, 0);
+ else
+ EnumFontFamilies (ef.hdc, NULL, (FONTENUMPROC) enum_font_cb1,
+ (LPARAM)&ef);
+
+ ReleaseDC (dpyinfo->root_window, ef.hdc);
+ }
- /* 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;
+ UNBLOCK_INPUT;
- thisinfo = w32_load_font (FRAME_W32_DISPLAY_INFO (f), XSTRING (XCONS (tem)->car)->data);
+ /* Make a list of the fonts we got back.
+ Store that in the font cache for the display. */
+ XCDR (dpyinfo->name_list_element)
+ = Fcons (Fcons (tpat, list),
+ XCDR (dpyinfo->name_list_element));
- if (thisinfo && same_size_fonts (thisinfo, size_ref))
- newlist = Fcons (XCONS (tem)->car, newlist);
+ label_cached:
+ if (NILP (list)) continue; /* Try the remaining alternatives. */
- w32_unload_font (FRAME_W32_DISPLAY_INFO (f), thisinfo);
+ newlist = second_best = Qnil;
+
+ /* Make a list of the fonts that have the right width. */
+ for (; CONSP (list); list = XCDR (list))
+ {
+ int found_size;
+ tem = XCAR (list);
+
+ if (!CONSP (tem))
+ continue;
+ if (NILP (XCAR (tem)))
+ continue;
+ if (!size)
+ {
+ newlist = Fcons (XCAR (tem), newlist);
+ n_fonts++;
+ if (n_fonts >= maxnames)
+ break;
+ else
+ continue;
+ }
+ if (!INTEGERP (XCDR (tem)))
+ {
+ /* Since we don't yet know the size of the font, we must
+ load it and try GetTextMetrics. */
+ W32FontStruct thisinfo;
+ LOGFONT lf;
+ HDC hdc;
+ HANDLE oldobj;
+
+ if (!x_to_w32_font (XSTRING (XCAR (tem))->data, &lf))
+ continue;
+
+ BLOCK_INPUT;
+ thisinfo.bdf = NULL;
+ thisinfo.hfont = CreateFontIndirect (&lf);
+ if (thisinfo.hfont == NULL)
+ continue;
+
+ hdc = GetDC (dpyinfo->root_window);
+ oldobj = SelectObject (hdc, thisinfo.hfont);
+ if (GetTextMetrics (hdc, &thisinfo.tm))
+ XCDR (tem) = make_number (FONT_WIDTH (&thisinfo));
+ else
+ XCDR (tem) = make_number (0);
+ SelectObject (hdc, oldobj);
+ ReleaseDC (dpyinfo->root_window, hdc);
+ DeleteObject(thisinfo.hfont);
+ UNBLOCK_INPUT;
+ }
+ found_size = XINT (XCDR (tem));
+ if (found_size == size)
+ {
+ newlist = Fcons (XCAR (tem), newlist);
+ n_fonts++;
+ if (n_fonts >= maxnames)
+ break;
+ }
+ /* keep track of the closest matching size in case
+ no exact match is found. */
+ else if (found_size > 0)
+ {
+ if (NILP (second_best))
+ second_best = tem;
+
+ else if (found_size < size)
+ {
+ if (XINT (XCDR (second_best)) > size
+ || XINT (XCDR (second_best)) < found_size)
+ second_best = tem;
+ }
+ else
+ {
+ if (XINT (XCDR (second_best)) > size
+ && XINT (XCDR (second_best)) >
+ found_size)
+ second_best = tem;
+ }
+ }
}
- UNBLOCK_INPUT;
+ if (!NILP (newlist))
+ break;
+ else if (!NILP (second_best))
+ {
+ newlist = Fcons (XCAR (second_best), Qnil);
+ break;
+ }
+ }
+
+ /* Include any bdf fonts. */
+ if (n_fonts < maxnames)
+ {
+ Lisp_Object combined[2];
+ combined[0] = w32_list_bdf_fonts (pattern, maxnames - n_fonts);
+ combined[1] = newlist;
+ newlist = Fnconc(2, combined);
+ }
+
+ /* If we can't find a font that matches, check if Windows would be
+ able to synthesize it from a different style. */
+ if (NILP (newlist) && !NILP (Vw32_enable_synthesized_fonts))
+ newlist = w32_list_synthesized_fonts (f, pattern, size, maxnames);
+
+ return newlist;
+}
+
+static Lisp_Object
+w32_list_synthesized_fonts (f, pattern, size, max_names)
+ FRAME_PTR f;
+ Lisp_Object pattern;
+ int size;
+ int max_names;
+{
+ int fields;
+ char *full_pattn, *new_pattn, foundary[50], family[50], *pattn_part2;
+ char style[20], slant;
+ Lisp_Object matches, tem, synthed_matches = Qnil;
+
+ full_pattn = XSTRING (pattern)->data;
+
+ pattn_part2 = alloca (XSTRING (pattern)->size);
+ /* Allow some space for wildcard expansion. */
+ new_pattn = alloca (XSTRING (pattern)->size + 100);
+
+ fields = sscanf (full_pattn, "-%49[^-]-%49[^-]-%19[^-]-%c-%s",
+ foundary, family, style, &slant, pattn_part2);
+ if (fields == EOF || fields < 5)
+ return Qnil;
+
+ /* If the style and slant are wildcards already there is no point
+ checking again (and we don't want to keep recursing). */
+ if (*style == '*' && slant == '*')
+ return Qnil;
+
+ sprintf (new_pattn, "-%s-%s-*-*-%s", foundary, family, pattn_part2);
+
+ matches = w32_list_fonts (f, build_string (new_pattn), size, max_names);
- return newlist;
+ for ( ; CONSP (matches); matches = XCDR (matches))
+ {
+ tem = XCAR (matches);
+ if (!STRINGP (tem))
+ continue;
+
+ full_pattn = XSTRING (tem)->data;
+ fields = sscanf (full_pattn, "-%49[^-]-%49[^-]-%*[^-]-%*c-%s",
+ foundary, family, pattn_part2);
+ if (fields == EOF || fields < 3)
+ continue;
+
+ sprintf (new_pattn, "-%s-%s-%s-%c-%s", foundary, family, style,
+ slant, pattn_part2);
+
+ synthed_matches = Fcons (build_string (new_pattn),
+ synthed_matches);
}
- BLOCK_INPUT;
+ return synthed_matches;
+}
- namelist = Qnil;
- ef.pattern = &pattern;
- ef.tail = ef.head = &namelist;
- ef.numFonts = 0;
- x_to_w32_font (STRINGP (pattern) ? XSTRING (pattern)->data : NULL, &ef.logfont);
- {
- ef.hdc = GetDC (FRAME_W32_WINDOW (f));
+/* Return a pointer to struct font_info of font FONT_IDX of frame F. */
+struct font_info *
+w32_get_font_info (f, font_idx)
+ FRAME_PTR f;
+ int font_idx;
+{
+ return (FRAME_W32_FONT_TABLE (f) + font_idx);
+}
- EnumFontFamilies (ef.hdc, NULL, (FONTENUMPROC) enum_font_cb1, (LPARAM)&ef);
-
- ReleaseDC (FRAME_W32_WINDOW (f), ef.hdc);
- }
- UNBLOCK_INPUT;
+struct font_info*
+w32_query_font (struct frame *f, char *fontname)
+{
+ int i;
+ struct font_info *pfi;
+
+ pfi = FRAME_W32_FONT_TABLE (f);
- if (ef.numFonts)
+ for (i = 0; i < one_w32_display_info.n_fonts ;i++, pfi++)
{
- int i;
- Lisp_Object cur;
+ if (strcmp(pfi->name, fontname) == 0) return pfi;
+ }
- /* Make a list of all the fonts we got back.
- Store that in the font cache for the display. */
- XCONS (FRAME_W32_DISPLAY_INFO (f)->name_list_element)->cdr
- = Fcons (Fcons (pattern, namelist),
- XCONS (FRAME_W32_DISPLAY_INFO (f)->name_list_element)->cdr);
+ return NULL;
+}
- /* Make a list of the fonts that have the right width. */
- list = Qnil;
- cur=namelist;
- for (i = 0; i < ef.numFonts; i++)
- {
- int keeper;
+/* Find a CCL program for a font specified by FONTP, and set the member
+ `encoder' of the structure. */
- if (!size_ref)
- keeper = 1;
- else
- {
- XFontStruct *thisinfo;
+void
+w32_find_ccl_program (fontp)
+ struct font_info *fontp;
+{
+ Lisp_Object list, elt;
+
+ for (list = Vfont_ccl_encoder_alist; CONSP (list); list = XCDR (list))
+ {
+ elt = XCAR (list);
+ if (CONSP (elt)
+ && STRINGP (XCAR (elt))
+ && (fast_c_string_match_ignore_case (XCAR (elt), fontp->name)
+ >= 0))
+ break;
+ }
+ if (! NILP (list))
+ {
+ struct ccl_program *ccl
+ = (struct ccl_program *) xmalloc (sizeof (struct ccl_program));
- BLOCK_INPUT;
- thisinfo = w32_load_font (FRAME_W32_DISPLAY_INFO (f), XSTRING (Fcar (cur))->data);
+ if (setup_ccl_program (ccl, XCDR (elt)) < 0)
+ xfree (ccl);
+ else
+ fontp->font_encoder = ccl;
+ }
+}
- keeper = thisinfo && same_size_fonts (thisinfo, size_ref);
+\f
+/* Find BDF files in a specified directory. (use GCPRO when calling,
+ as this calls lisp to get a directory listing). */
+static Lisp_Object
+w32_find_bdf_fonts_in_dir (Lisp_Object directory)
+{
+ Lisp_Object filelist, list = Qnil;
+ char fontname[100];
- w32_unload_font (FRAME_W32_DISPLAY_INFO (f), thisinfo);
+ if (!STRINGP(directory))
+ return Qnil;
- UNBLOCK_INPUT;
- }
- if (keeper)
- list = Fcons (build_string (XSTRING (Fcar (cur))->data), list);
+ filelist = Fdirectory_files (directory, Qt,
+ build_string (".*\\.[bB][dD][fF]"), Qt);
- cur = Fcdr (cur);
- }
- list = Fnreverse (list);
+ for ( ; CONSP(filelist); filelist = XCDR (filelist))
+ {
+ Lisp_Object filename = XCAR (filelist);
+ if (w32_BDF_to_x_font (XSTRING (filename)->data, fontname, 100))
+ store_in_alist (&list, build_string (fontname), filename);
}
+ return list;
+}
+
+DEFUN ("w32-find-bdf-fonts", Fw32_find_bdf_fonts, Sw32_find_bdf_fonts,
+ 1, 1, 0,
+ "Return a list of BDF fonts in DIR, suitable for appending to\n\
+w32-bdf-filename-alist. Fonts which do not contain an xlfd description\n\
+will not be included in the list. DIR may be a list of directories.")
+ (directory)
+ Lisp_Object directory;
+{
+ Lisp_Object list = Qnil;
+ struct gcpro gcpro1, gcpro2;
+ if (!CONSP (directory))
+ return w32_find_bdf_fonts_in_dir (directory);
+
+ for ( ; CONSP (directory); directory = XCDR (directory))
+ {
+ Lisp_Object pair[2];
+ pair[0] = list;
+ pair[1] = Qnil;
+ GCPRO2 (directory, list);
+ pair[1] = w32_find_bdf_fonts_in_dir( XCAR (directory) );
+ list = Fnconc( 2, pair );
+ UNGCPRO;
+ }
return list;
}
+
\f
-DEFUN ("x-color-defined-p", Fx_color_defined_p, Sx_color_defined_p, 1, 2, 0,
- "Return non-nil if color COLOR is supported on frame FRAME.\n\
-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;
{
- COLORREF foo;
+ XColor foo;
FRAME_PTR f = check_x_frame (frame);
CHECK_STRING (color, 1);
- if (defined_color (f, XSTRING (color)->data, &foo, 0))
+ if (w32_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;
{
- COLORREF foo;
+ XColor foo;
FRAME_PTR f = check_x_frame (frame);
CHECK_STRING (color, 1);
- if (defined_color (f, XSTRING (color)->data, &foo, 0))
+ if (w32_defined_color (f, XSTRING (color)->data, &foo, 0))
{
Lisp_Object rgb[3];
- rgb[0] = make_number (GetRValue (foo));
- rgb[1] = make_number (GetGValue (foo));
- rgb[2] = make_number (GetBValue (foo));
+ rgb[0] = make_number ((GetRValue (foo.pixel) << 8)
+ | GetRValue (foo.pixel));
+ rgb[1] = make_number ((GetGValue (foo.pixel) << 8)
+ | GetGValue (foo.pixel));
+ rgb[2] = make_number ((GetBValue (foo.pixel) << 8)
+ | GetBValue (foo.pixel));
return Flist (3, rgb);
}
else
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;
{
cap = GetDeviceCaps (hdc,SIZEPALETTE);
else
cap = GetDeviceCaps (hdc,NUMCOLORS);
+
+ if (cap < 0)
+ cap = 1 << (dpyinfo->n_planes * dpyinfo->n_cbits);
ReleaseDC (dpyinfo->root_window, hdc);
(display)
Lisp_Object display;
{
- struct w32_display_info *dpyinfo = check_x_display_info (display);
- char *vendor = "Microsoft Corp.";
-
- if (! vendor) vendor = "";
- return build_string (vendor);
+ return build_string ("Microsoft Corp.");
}
DEFUN ("x-server-version", Fx_server_version, Sx_server_version, 0, 1, 0,
(display)
Lisp_Object display;
{
- struct w32_display_info *dpyinfo = check_x_display_info (display);
-
return Fcons (make_number (w32_major_version),
- Fcons (make_number (w32_minor_version), Qnil));
+ Fcons (make_number (w32_minor_version),
+ Fcons (make_number (w32_build_number), Qnil)));
}
DEFUN ("x-display-screens", Fx_display_screens, Sx_display_screens, 0, 1, 0,
(display)
Lisp_Object display;
{
- struct w32_display_info *dpyinfo = check_x_display_info (display);
-
return make_number (1);
}
Lisp_Object display;
{
struct w32_display_info *dpyinfo = check_x_display_info (display);
+ Lisp_Object result = Qnil;
-#if 0
- switch (dpyinfo->visual->class)
- {
- case StaticGray: return (intern ("static-gray"));
- case GrayScale: return (intern ("gray-scale"));
- case StaticColor: return (intern ("static-color"));
- case PseudoColor: return (intern ("pseudo-color"));
- case TrueColor: return (intern ("true-color"));
- case DirectColor: return (intern ("direct-color"));
- default:
- error ("Display has an unknown visual class");
- }
-#endif
+ if (dpyinfo->has_palette)
+ result = intern ("pseudo-color");
+ else if (dpyinfo->n_planes * dpyinfo->n_cbits == 1)
+ result = intern ("static-grey");
+ else if (dpyinfo->n_planes * dpyinfo->n_cbits == 4)
+ result = intern ("static-color");
+ else if (dpyinfo->n_planes * dpyinfo->n_cbits > 8)
+ result = intern ("true-color");
- error ("Display has an unknown visual class");
+ return result;
}
DEFUN ("x-display-save-under", Fx_display_save_under,
(display)
Lisp_Object display;
{
- struct w32_display_info *dpyinfo = check_x_display_info (display);
-
return Qnil;
}
\f
}
int
-x_screen_planes (frame)
- Lisp_Object frame;
+x_screen_planes (f)
+ register struct frame *f;
{
- return (FRAME_W32_DISPLAY_INFO (XFRAME (frame))->n_planes *
- FRAME_W32_DISPLAY_INFO (XFRAME (frame))->n_cbits);
+ return FRAME_W32_DISPLAY_INFO (f)->n_planes;
}
\f
/* Return the display structure for the display named NAME.
for (dpyinfo = &one_w32_display_info, names = w32_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;
}
if (dpyinfo == 0)
error ("Cannot connect to server %s", XSTRING (name)->data);
+ w32_in_use = 1;
XSETFASTINT (Vwindow_system_version, 3);
return dpyinfo;
(display, xrm_string, must_succeed)
Lisp_Object display, xrm_string, must_succeed;
{
- unsigned int n_planes;
unsigned char *xrm_option;
struct w32_display_info *dpyinfo;
if (! NILP (xrm_string))
CHECK_STRING (xrm_string, 1);
+ if (! EQ (Vwindow_system, intern ("w32")))
+ error ("Not using Microsoft Windows");
+
/* Allow color mapping to be defined externally; first look in user's
HOME directory, then in Emacs etc dir for a file called rgb.txt. */
{
error ("Cannot connect to server %s", XSTRING (display)->data);
}
+ w32_in_use = 1;
+
XSETFASTINT (Vwindow_system_version, 3);
return Qnil;
}
Lisp_Object display;
{
struct w32_display_info *dpyinfo = check_x_display_info (display);
- struct w32_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. */
- w32_unload_font (dpyinfo, dpyinfo->font_table[i].font);
- }
+ if (dpyinfo->font_table[i].name)
+ {
+ if (dpyinfo->font_table[i].name != dpyinfo->font_table[i].full_name)
+ xfree (dpyinfo->font_table[i].full_name);
+ xfree (dpyinfo->font_table[i].name);
+ w32_unload_font (dpyinfo, dpyinfo->font_table[i].font);
+ }
x_destroy_all_bitmaps (dpyinfo);
x_delete_display (dpyinfo);
Lisp_Object tail, result;
result = Qnil;
- for (tail = w32_display_name_list; ! NILP (tail); tail = XCONS (tail)->cdr)
- result = Fcons (XCONS (XCONS (tail)->car)->car, result);
+ for (tail = w32_display_name_list; ! NILP (tail); tail = XCDR (tail))
+ result = Fcons (XCAR (XCAR (tail)), result);
return result;
}
(on, display)
Lisp_Object display, on;
{
- struct w32_display_info *dpyinfo = check_x_display_info (display);
-
return Qnil;
}
\f
-/* These are the w32 specialized functions */
+\f
+/***********************************************************************
+ Image types
+ ***********************************************************************/
-DEFUN ("w32-select-font", Fw32_select_font, Sw32_select_font, 0, 1, 0,
- "This will display the W32 font dialog and return an X font string corresponding to the selection.")
- (frame)
- Lisp_Object frame;
+/* Value is the number of elements of vector VECTOR. */
+
+#define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR))
+
+/* List of supported image types. Use define_image_type to add new
+ types. Use lookup_image_type to find a type for a given symbol. */
+
+static struct image_type *image_types;
+
+/* The symbol `image' which is the car of the lists used to represent
+ images in Lisp. */
+
+extern Lisp_Object Qimage;
+
+/* The symbol `xbm' which is used as the type symbol for XBM images. */
+
+Lisp_Object Qxbm;
+
+/* Keywords. */
+
+extern Lisp_Object QCwidth, QCheight, QCforeground, QCbackground, QCfile;
+extern Lisp_Object QCdata;
+Lisp_Object QCtype, QCascent, QCmargin, QCrelief;
+Lisp_Object QCconversion, 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;
{
- FRAME_PTR f = check_x_frame (frame);
- CHOOSEFONT cf;
- LOGFONT lf;
- char buf[100];
+ /* 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);
+}
- bzero (&cf, sizeof (cf));
- cf.lStructSize = sizeof (cf);
- cf.hwndOwner = FRAME_W32_WINDOW (f);
- cf.Flags = CF_FIXEDPITCHONLY | CF_FORCEFONTEXIST | CF_SCREENFONTS;
- cf.lpLogFont = &lf;
+/* 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. */
- if (!ChooseFont (&cf) || !w32_to_x_font (&lf, buf, 100))
- return Qnil;
+static INLINE struct image_type *
+lookup_image_type (symbol)
+ Lisp_Object symbol;
+{
+ struct image_type *type;
- return build_string (buf);
+ for (type = image_types; type; type = type->next)
+ if (EQ (symbol, *type->type))
+ break;
+
+ return type;
}
-\f
-syms_of_w32fns ()
+
+/* 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;
{
- /* 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);
+ 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_POSITIVE_INTEGER_VALUE_OR_PAIR,
+ IMAGE_NON_NEGATIVE_INTEGER_VALUE,
+ IMAGE_ASCENT_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_POSITIVE_INTEGER_VALUE_OR_PAIR:
+ if (INTEGERP (value) && XINT (value) >= 0)
+ break;
+ if (CONSP (value)
+ && INTEGERP (XCAR (value)) && INTEGERP (XCDR (value))
+ && XINT (XCAR (value)) >= 0 && XINT (XCDR (value)) >= 0)
+ break;
+ return 0;
+
+ case IMAGE_ASCENT_VALUE:
+ if (SYMBOLP (value) && EQ (value, Qcenter))
+ break;
+ else if (INTEGERP (value)
+ && XINT (value) >= 0
+ && XINT (value) <= 100)
+ break;
+ return 0;
+
+ 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;
+}
+
+
+/* Value is the number of pixels for the ascent of image IMG when
+ drawn in face FACE. */
+
+int
+image_ascent (img, face)
+ struct image *img;
+ struct face *face;
+{
+ int height = img->height + img->vmargin;
+ int ascent;
+
+ if (img->ascent == CENTERED_IMAGE_ASCENT)
+ {
+ if (face->font)
+ ascent = height / 2 - (FONT_DESCENT(face->font)
+ - FONT_BASE(face->font)) / 2;
+ else
+ ascent = height / 2;
+ }
+ else
+ ascent = height * img->ascent / 100.0;
+
+ return ascent;
+}
+
+
+\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 0 /* TODO: W32 image support */
+
+ if (img->pixmap)
+ {
+ BLOCK_INPUT;
+ XFreePixmap (NULL, img->pixmap);
+ img->pixmap = 0;
+ UNBLOCK_INPUT;
+ }
+
+ if (img->ncolors)
+ {
+ int class = FRAME_W32_DISPLAY_INFO (f)->visual->class;
+
+ /* If display has an immutable color map, freeing colors is not
+ necessary and some servers don't allow it. So don't do it. */
+ if (class != StaticColor
+ && class != StaticGray
+ && class != TrueColor)
+ {
+ Colormap cmap;
+ BLOCK_INPUT;
+ cmap = DefaultColormapOfScreen (FRAME_W32_DISPLAY_INFO (f)->screen);
+ XFreeColors (FRAME_W32_DISPLAY (f), cmap, img->colors,
+ img->ncolors, 0);
+ UNBLOCK_INPUT;
+ }
+
+ xfree (img->colors);
+ img->colors = NULL;
+ img->ncolors = 0;
+ }
+#endif
+}
+
+
+/* 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;
+{
+#if 0 /* TODO: allocing colors. */
+ XColor color;
+ unsigned long result;
+
+ xassert (STRINGP (color_name));
+
+ if (w32_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;
+#endif
+ return 0;
+}
+
+
+\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_W32_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)
+ {
+ BLOCK_INPUT;
+ img = make_image (spec, hash);
+ cache_image (f, img);
+ img->load_failed_p = img->type->load (f, img) == 0;
+
+ /* If we can't load the image, and we don't have a width and
+ height, use some arbitrary width and height so that we can
+ draw a rectangle for it. */
+ if (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;
+
+ ascent = image_spec_value (spec, QCascent, NULL);
+ if (INTEGERP (ascent))
+ img->ascent = XFASTINT (ascent);
+ else if (EQ (ascent, Qcenter))
+ img->ascent = CENTERED_IMAGE_ASCENT;
+
+ margin = image_spec_value (spec, QCmargin, NULL);
+ if (INTEGERP (margin) && XINT (margin) >= 0)
+ img->vmargin = img->hmargin = XFASTINT (margin);
+ else if (CONSP (margin) && INTEGERP (XCAR (margin))
+ && INTEGERP (XCDR (margin)))
+ {
+ if (XINT (XCAR (margin)) > 0)
+ img->hmargin = XFASTINT (XCAR (margin));
+ if (XINT (XCDR (margin)) > 0)
+ img->vmargin = XFASTINT (XCDR (margin));
+ }
+
+ relief = image_spec_value (spec, QCrelief, NULL);
+ if (INTEGERP (relief))
+ {
+ img->relief = XINT (relief);
+ img->hmargin += abs (img->relief);
+ img->vmargin += abs (img->relief);
+ }
+
+#if 0 /* TODO: image mask and algorithm. */
+ /* Manipulation of the image's mask. */
+ if (img->pixmap)
+ {
+ /* `:heuristic-mask t'
+ `:mask heuristic'
+ means build a mask heuristically.
+ `:heuristic-mask (R G B)'
+ `:mask (heuristic (R G B))'
+ means build a mask from color (R G B) in the
+ image.
+ `:mask nil'
+ means remove a mask, if any. */
+
+ Lisp_Object mask;
+
+ mask = image_spec_value (spec, QCheuristic_mask, NULL);
+ if (!NILP (mask))
+ x_build_heuristic_mask (f, img, mask);
+ else
+ {
+ int found_p;
+
+ mask = image_spec_value (spec, QCmask, &found_p);
+
+ if (EQ (mask, Qheuristic))
+ x_build_heuristic_mask (f, img, Qt);
+ else if (CONSP (mask)
+ && EQ (XCAR (mask), Qheuristic))
+ {
+ if (CONSP (XCDR (mask)))
+ x_build_heuristic_mask (f, img, XCAR (XCDR (mask)));
+ else
+ x_build_heuristic_mask (f, img, XCDR (mask));
+ }
+ else if (NILP (mask) && found_p && img->mask)
+ {
+ XFreePixmap (FRAME_X_DISPLAY (f), img->mask);
+ img->mask = None;
+ }
+ }
+ }
+
+ /* Should we apply an image transformation algorithm? */
+ if (img->pixmap)
+ {
+ Lisp_Object conversion;
+
+ algorithm = image_spec_value (spec, QCconversion, NULL);
+ if (EQ (conversion, Qdisabled))
+ x_disable_image (f, img);
+ else if (EQ (conversion, Qlaplace))
+ x_laplace (f, img);
+ else if (EQ (conversion, Qemboss))
+ x_emboss (f, img);
+ else if (CONSP (conversion)
+ && EQ (XCAR (conversion), Qedge_detection))
+ {
+ Lisp_Object tem;
+ tem = XCDR (conversion);
+ if (CONSP (tem))
+ x_edge_detection (f, img,
+ Fplist_get (tem, QCmatrix),
+ Fplist_get (tem, QCcolor_adjustment));
+ }
+ }
+#endif /* TODO. */
+ }
+ UNBLOCK_INPUT;
+ xassert (!interrupt_input_blocked);
+ }
+
+ /* 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_W32_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
+/***********************************************************************
+ W32 support code
+ ***********************************************************************/
+
+#if 0 /* TODO: W32 specific image 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;
+{
+#if 0 /* TODO: Image support for W32 */
+ Display *display = FRAME_W32_DISPLAY (f);
+ Screen *screen = FRAME_X_SCREEN (f);
+ Window window = FRAME_W32_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;
+ }
+#endif
+ 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 (NULL, pixmap, 0, NULL);
+ XPutImage (NULL, pixmap, gc, ximg, 0, 0, 0, 0, width, height);
+ XFreeGC (NULL, gc);
+}
+
+#endif
+
+\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 == -1)
+ 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_OR_PAIR, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":conversion", 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 = one_w32_display_info.n_cbits;
+ 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);
+
+#if 0 /* TODO : Port image display to W32 */
+ BLOCK_INPUT;
+ img->pixmap
+ = XCreatePixmapFromBitmapData (FRAME_W32_DISPLAY (f),
+ FRAME_W32_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;
+#endif
+ }
+ 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;
+
+#if 0 /* TODO : W32 XPM code */
+ /* Create the pixmap. */
+ depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f));
+ img->pixmap
+ = XCreatePixmapFromBitmapData (FRAME_W32_DISPLAY (f),
+ FRAME_W32_WINDOW (f),
+ bits,
+ img->width, img->height,
+ foreground, background,
+ depth);
+#endif /* TODO */
+
+ 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_OR_PAIR, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":conversion", 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 (NULL, FRAME_W32_WINDOW (f),
+ XSTRING (file)->data, &img->pixmap, &img->mask,
+ &attrs);
+ }
+ else
+ {
+ Lisp_Object buffer = image_spec_value (img->spec, QCdata, NULL);
+ rc = XpmCreatePixmapFromBuffer (NULL, FRAME_W32_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
+#if 0 /* TODO : Color tables on W32. */
+/***********************************************************************
+ 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)
+ {
+ COLORREF color;
+ Colormap cmap;
+ int rc;
+
+ color = PALETTERGB (r, g, b);
+
+ ++ct_colors_allocated;
+
+ p = (struct ct_color *) xmalloc (sizeof *p);
+ p->r = r;
+ p->g = g;
+ p->b = b;
+ p->pixel = color;
+ p->next = ct_table[i];
+ ct_table[i] = p;
+ }
+
+ return p->pixel;
+}
+
+
+/* Look up pixel color PIXEL which is used on frame F in the color
+ table. If not already present, allocate it. Value is PIXEL. */
+
+static unsigned long
+lookup_pixel_color (f, pixel)
+ struct frame *f;
+ unsigned long pixel;
+{
+ int i = pixel % CT_SIZE;
+ struct ct_color *p;
+
+ for (p = ct_table[i]; p; p = p->next)
+ if (p->pixel == pixel)
+ break;
+
+ if (p == NULL)
+ {
+ XColor color;
+ Colormap cmap;
+ int rc;
+
+ BLOCK_INPUT;
+
+ cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f));
+ color.pixel = pixel;
+ XQueryColor (NULL, 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;
+}
+
+#endif /* TODO */
+
+\f
+/***********************************************************************
+ Algorithms
+ ***********************************************************************/
+
+#if 0 /* TODO : W32 versions of low level 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 (NULL, 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]);
+}
+#endif
+
+/* 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;
+{
+#if 0 /* TODO : W32 version */
+ Colormap cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f));
+ XImage *ximg, *oimg;
+ XColor *in[3];
+ long *out;
+ Pixmap pixmap;
+ int x, y, i;
+ long pixel;
+ int in_y, out_y, rc;
+ int mv2 = 45000;
+
+ BLOCK_INPUT;
+
+ /* Get the X image IMG->pixmap. */
+ ximg = XGetImage (NULL, 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;
+#endif /* TODO */
+}
+
+
+/* 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;
+{
+#if 0 /* TODO : W32 version */
+ Display *dpy = FRAME_W32_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 = DefaultColormapOfScreen (FRAME_X_SCREEN (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;
+#endif /* TODO */
+
+ return 1;
+}
+
+
+\f
+/***********************************************************************
+ PBM (mono, gray, color)
+ ***********************************************************************/
+#ifdef HAVE_PBM
+
+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_OR_PAIR, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":conversion", 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;
+}
+#endif /* HAVE_PBM */
+
+\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_OR_PAIR, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":conversion", 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 = DefaultColormapOfScreen (FRAME_X_SCREEN (f));
+ color.pixel = FRAME_BACKGROUND_PIXEL (f);
+ XQueryColor (FRAME_W32_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_W32_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_OR_PAIR, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":conversion", 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_OR_PAIR, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":conversion", 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_OR_PAIR, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":conversion", 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
+ ***********************************************************************/
+
+#ifdef HAVE_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_OR_PAIR, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":conversion", 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_W32_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_W32_DISPLAY_INFO (f)->resy;
+
+ /* Create the pixmap. */
+ BLOCK_INPUT;
+ xassert (img->pixmap == 0);
+ img->pixmap = XCreatePixmap (FRAME_W32_DISPLAY (f), FRAME_W32_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_W32_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_W32_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_W32_DISPLAY (f), img->pixmap,
+ 0, 0, img->width, img->height, ~0, ZPixmap);
+ if (ximg)
+ {
+ int x, y;
+
+ /* Initialize the color table. */
+ init_color_table ();
+
+ /* For each pixel of the image, look its color up in the
+ color table. After having done so, the color table will
+ contain an entry for each color used by the image. */
+ for (y = 0; y < img->height; ++y)
+ for (x = 0; x < img->width; ++x)
+ {
+ unsigned long pixel = XGetPixel (ximg, x, y);
+ lookup_pixel_color (f, pixel);
+ }
+
+ /* Record colors in the image. Free color table and XImage. */
+ img->colors = colors_in_color_table (&img->ncolors);
+ free_color_table ();
+ XDestroyImage (ximg);
+
+#if 0 /* This doesn't seem to be the case. If we free the colors
+ here, we get a BadAccess later in x_clear_image when
+ freeing the colors. */
+ /* We have allocated colors once, but Ghostscript has also
+ allocated colors on behalf of us. So, to get the
+ reference counts right, free them once. */
+ if (img->ncolors)
+ {
+ Colormap cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f));
+ XFreeColors (FRAME_W32_DISPLAY (f), cmap,
+ img->colors, img->ncolors, 0);
+ }
+#endif
+ }
+ else
+ image_error ("Cannot get X image of `%s'; colors will not be freed",
+ img->spec, Qnil);
+
+ UNBLOCK_INPUT;
+ }
+}
+
+#endif /* HAVE_GHOSTSCRIPT */
+
+\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;
+{
+#if 0 /* TODO : port window properties to W32 */
+ struct frame *f = check_x_frame (frame);
+ Atom prop_atom;
+
+ CHECK_STRING (prop, 1);
+ CHECK_STRING (value, 2);
+
+ BLOCK_INPUT;
+ prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), XSTRING (prop)->data, False);
+ XChangeProperty (FRAME_W32_DISPLAY (f), FRAME_W32_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_W32_DISPLAY (f));
+ UNBLOCK_INPUT;
+
+#endif /* TODO */
+
+ 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;
+{
+#if 0 /* TODO : port window properties to W32 */
+
+ struct frame *f = check_x_frame (frame);
+ Atom prop_atom;
+
+ CHECK_STRING (prop, 1);
+ BLOCK_INPUT;
+ prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), XSTRING (prop)->data, False);
+ XDeleteProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), prop_atom);
+
+ /* Make sure the property is removed when we return. */
+ XFlush (FRAME_W32_DISPLAY (f));
+ UNBLOCK_INPUT;
+#endif /* TODO */
+
+ 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;
+{
+#if 0 /* TODO : port window properties to W32 */
+
+ 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_W32_DISPLAY (f), XSTRING (prop)->data, False);
+ rc = XGetWindowProperty (FRAME_W32_DISPLAY (f), FRAME_W32_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_W32_DISPLAY (f), FRAME_W32_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;
+
+#endif /* TODO */
+ return Qnil;
+}
+
+
+\f
+/***********************************************************************
+ Busy cursor
+ ***********************************************************************/
+
+/* If non-null, an asynchronous timer that, when it expires, displays
+ an hourglass cursor on all frames. */
+
+static struct atimer *hourglass_atimer;
+
+/* Non-zero means an hourglass cursor is currently shown. */
+
+static int hourglass_shown_p;
+
+/* Number of seconds to wait before displaying an hourglass cursor. */
+
+static Lisp_Object Vhourglass_delay;
+
+/* Default number of seconds to wait before displaying an hourglass
+ cursor. */
+
+#define DEFAULT_HOURGLASS_DELAY 1
+
+/* Function prototypes. */
+
+static void show_hourglass P_ ((struct atimer *));
+static void hide_hourglass P_ ((void));
+
+
+/* Cancel a currently active hourglass timer, and start a new one. */
+
+void
+start_hourglass ()
+{
+#if 0 /* TODO: cursor shape changes. */
+ EMACS_TIME delay;
+ int secs, usecs = 0;
+
+ cancel_hourglass ();
+
+ if (INTEGERP (Vhourglass_delay)
+ && XINT (Vhourglass_delay) > 0)
+ secs = XFASTINT (Vhourglass_delay);
+ else if (FLOATP (Vhourglass_delay)
+ && XFLOAT_DATA (Vhourglass_delay) > 0)
+ {
+ Lisp_Object tem;
+ tem = Ftruncate (Vhourglass_delay, Qnil);
+ secs = XFASTINT (tem);
+ usecs = (XFLOAT_DATA (Vhourglass_delay) - secs) * 1000000;
+ }
+ else
+ secs = DEFAULT_HOURGLASS_DELAY;
+
+ EMACS_SET_SECS_USECS (delay, secs, usecs);
+ hourglass_atimer = start_atimer (ATIMER_RELATIVE, delay,
+ show_hourglass, NULL);
+#endif
+}
+
+
+/* Cancel the hourglass cursor timer if active, hide an hourglass
+ cursor if shown. */
+
+void
+cancel_hourglass ()
+{
+ if (hourglass_atimer)
+ {
+ cancel_atimer (hourglass_atimer);
+ hourglass_atimer = NULL;
+ }
+
+ if (hourglass_shown_p)
+ hide_hourglass ();
+}
+
+
+/* Timer function of hourglass_atimer. TIMER is equal to
+ hourglass_atimer.
+
+ Display an hourglass cursor on all frames by mapping the frames'
+ hourglass_window. Set the hourglass_p flag in the frames'
+ output_data.x structure to indicate that an hourglass cursor is
+ shown on the frames. */
+
+static void
+show_hourglass (timer)
+ struct atimer *timer;
+{
+#if 0 /* TODO: cursor shape changes. */
+ /* The timer implementation will cancel this timer automatically
+ after this function has run. Set hourglass_atimer to null
+ so that we know the timer doesn't have to be canceled. */
+ hourglass_atimer = NULL;
+
+ if (!hourglass_shown_p)
+ {
+ Lisp_Object rest, frame;
+
+ BLOCK_INPUT;
+
+ FOR_EACH_FRAME (rest, frame)
+ if (FRAME_W32_P (XFRAME (frame)))
+ {
+ struct frame *f = XFRAME (frame);
+
+ f->output_data.w32->hourglass_p = 1;
+
+ if (!f->output_data.w32->hourglass_window)
+ {
+ unsigned long mask = CWCursor;
+ XSetWindowAttributes attrs;
+
+ attrs.cursor = f->output_data.w32->hourglass_cursor;
+
+ f->output_data.w32->hourglass_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.w32->hourglass_window);
+ XFlush (FRAME_X_DISPLAY (f));
+ }
+
+ hourglass_shown_p = 1;
+ UNBLOCK_INPUT;
+ }
+#endif
+}
+
+
+/* Hide the hourglass cursor on all frames, if it is currently shown. */
+
+static void
+hide_hourglass ()
+{
+#if 0 /* TODO: cursor shape changes. */
+ if (hourglass_shown_p)
+ {
+ Lisp_Object rest, frame;
+
+ BLOCK_INPUT;
+ FOR_EACH_FRAME (rest, frame)
+ {
+ struct frame *f = XFRAME (frame);
+
+ if (FRAME_W32_P (f)
+ /* Watch out for newly created frames. */
+ && f->output_data.x->hourglass_window)
+ {
+ XUnmapWindow (FRAME_X_DISPLAY (f),
+ f->output_data.x->hourglass_window);
+ /* Sync here because XTread_socket looks at the
+ hourglass_p flag that is reset to zero below. */
+ XSync (FRAME_X_DISPLAY (f), False);
+ f->output_data.x->hourglass_p = 0;
+ }
+ }
+
+ hourglass_shown_p = 0;
+ UNBLOCK_INPUT;
+ }
+#endif
+}
+
+
+\f
+/***********************************************************************
+ Tool tips
+ ***********************************************************************/
+
+static Lisp_Object x_create_tip_frame P_ ((struct w32_display_info *,
+ Lisp_Object));
+
+/* The frame of a currently visible tooltip, or null. */
+
+Lisp_Object tip_frame;
+
+/* If non-nil, a timer started that hides the last tooltip when it
+ fires. */
+
+Lisp_Object tip_timer;
+Window tip_window;
+
+static Lisp_Object
+unwind_create_tip_frame (frame)
+ Lisp_Object frame;
+{
+ Lisp_Object deleted;
+
+ deleted = unwind_create_frame (frame);
+ if (EQ (deleted, Qt))
+ {
+ tip_window = NULL;
+ tip_frame = Qnil;
+ }
+
+ return deleted;
+}
+
+
+/* Create a frame for a tooltip on the display described by DPYINFO.
+ PARMS is a list of frame parameters. Value is the frame.
+
+ Note that functions called here, esp. x_default_parameter can
+ signal errors, for instance when a specified color name is
+ undefined. We have to make sure that we're in a consistent state
+ when this happens. */
+
+static Lisp_Object
+x_create_tip_frame (dpyinfo, parms)
+ struct w32_display_info *dpyinfo;
+ Lisp_Object parms;
+{
+#if 0 /* TODO : w32 version */
+ struct frame *f;
+ Lisp_Object frame, tem;
+ Lisp_Object name;
+ long window_prompting = 0;
+ int width, height;
+ int count = BINDING_STACK_SIZE ();
+ 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 = w32_get_arg (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);
+ f = make_frame (1);
+ XSETFRAME (frame, f);
+ FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
+ record_unwind_protect (unwind_create_tip_frame, frame);
+
+ f->output_method = output_w32;
+ f->output_data.w32 =
+ (struct w32_output *) xmalloc (sizeof (struct w32_output));
+ bzero (f->output_data.w32, sizeof (struct w32_output));
+#if 0
+ f->output_data.w32->icon_bitmap = -1;
+#endif
+ f->output_data.w32->fontset = -1;
+ f->icon_name = Qnil;
+
+#ifdef GLYPH_DEBUG
+ image_cache_refcount = FRAME_X_IMAGE_CACHE (f)->refcount;
+ dpyinfo_refcount = dpyinfo->reference_count;
+#endif /* GLYPH_DEBUG */
+#ifdef MULTI_KBOARD
+ FRAME_KBOARD (f) = kb;
+#endif
+ f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window;
+ f->output_data.w32->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);
+ }
+
+ /* Extract the window parameters from the supplied values
+ that are needed to determine window geometry. */
+ {
+ Lisp_Object font;
+
+ font = w32_get_arg (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, "-*-courier new-normal-r-*-*-*-100-*-*-*-*-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 = w32_get_arg (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.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window;
+ window_prompting = x_figure_window_size (f, parms);
+
+ if (window_prompting & XNegative)
+ {
+ if (window_prompting & YNegative)
+ f->output_data.w32->win_gravity = SouthEastGravity;
+ else
+ f->output_data.w32->win_gravity = NorthEastGravity;
+ }
+ else
+ {
+ if (window_prompting & YNegative)
+ f->output_data.w32->win_gravity = SouthWestGravity;
+ else
+ f->output_data.w32->win_gravity = NorthWestGravity;
+ }
+
+ f->output_data.w32->size_hint_flags = window_prompting;
+ {
+ XSetWindowAttributes attrs;
+ unsigned long mask;
+
+ BLOCK_INPUT;
+ mask = CWBackPixel | CWOverrideRedirect | CWSaveUnder | CWEventMask;
+ /* Window managers looks at the override-redirect flag to
+ determine whether or net to give windows a decoration (Xlib
+ 3.2.8). */
+ attrs.override_redirect = True;
+ attrs.save_under = True;
+ attrs.background_pixel = FRAME_BACKGROUND_PIXEL (f);
+ /* Arrange for getting MapNotify and UnmapNotify events. */
+ attrs.event_mask = StructureNotifyMask;
+ tip_window
+ = FRAME_W32_WINDOW (f)
+ = XCreateWindow (FRAME_W32_DISPLAY (f),
+ FRAME_W32_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);
+ tip_frame = frame;
+
+ /* Now that the frame is official, it counts as a reference to
+ its display. */
+ FRAME_W32_DISPLAY_INFO (f)->reference_count++;
+
+ return unbind_to (count, frame);
+#endif /* TODO */
+ return Qnil;
+}
+
+#ifdef TODO /* Tooltip support not complete. */
+DEFUN ("x-show-tip", Fx_show_tip, Sx_show_tip, 1, 6, 0,
+ "Show STRING in a \"tooltip\" window on frame FRAME.\n\
+A tooltip window is a small window displaying a string.\n\
+\n\
+FRAME nil or omitted means use the selected frame.\n\
+\n\
+PARMS is an optional list of frame parameters which can be\n\
+used to change the tooltip's appearance.\n\
+\n\
+Automatically hide the tooltip after TIMEOUT seconds.\n\
+TIMEOUT nil means use the default timeout of 5 seconds.\n\
+\n\
+If the list of frame parameters PARAMS contains a `left' parameters,\n\
+the tooltip is displayed at that x-position. Otherwise it is\n\
+displayed at the mouse position, with offset DX added (default is 5 if\n\
+DX isn't specified). Likewise for the y-position; if a `top' frame\n\
+parameter is specified, it determines the y-position of the tooltip\n\
+window, otherwise it is displayed at the mouse position, with offset\n\
+DY added (default is 10).")
+ (string, frame, parms, timeout, dx, dy)
+ Lisp_Object string, frame, parms, timeout, dx, dy;
+{
+ struct frame *f;
+ struct window *w;
+ Window root, child;
+ Lisp_Object buffer, top, left;
+ 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);
+
+ if (NILP (dx))
+ dx = make_number (5);
+ else
+ CHECK_NUMBER (dx, 5);
+
+ if (NILP (dy))
+ dy = make_number (-10);
+ else
+ CHECK_NUMBER (dy, 6);
+
+ if (NILP (last_show_tip_args))
+ last_show_tip_args = Fmake_vector (make_number (3), Qnil);
+
+ if (!NILP (tip_frame))
+ {
+ Lisp_Object last_string = AREF (last_show_tip_args, 0);
+ Lisp_Object last_frame = AREF (last_show_tip_args, 1);
+ Lisp_Object last_parms = AREF (last_show_tip_args, 2);
+
+ if (EQ (frame, last_frame)
+ && !NILP (Fequal (last_string, string))
+ && !NILP (Fequal (last_parms, parms)))
+ {
+ struct frame *f = XFRAME (tip_frame);
+
+ /* Only DX and DY have changed. */
+ if (!NILP (tip_timer))
+ {
+ Lisp_Object timer = tip_timer;
+ tip_timer = Qnil;
+ call1 (Qcancel_timer, timer);
+ }
+
+ BLOCK_INPUT;
+ compute_tip_xy (f, parms, dx, dy, &root_x, &root_y);
+ XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
+ root_x, root_y - PIXEL_HEIGHT (f));
+ UNBLOCK_INPUT;
+ goto start_timer;
+ }
+ }
+
+ /* Hide a previous tip, if any. */
+ Fx_hide_tip ();
+
+ ASET (last_show_tip_args, 0, string);
+ ASET (last_show_tip_args, 1, frame);
+ ASET (last_show_tip_args, 2, parms);
+
+ /* 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_W32_DISPLAY_INFO (f), parms);
+ 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 = make_number (80);
+ w->height = make_number (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 (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. */
+ compute_tip_xy (f, parms, dx, dy, &root_x, &root_y);
+
+#if 0 /* TODO : W32 specifics */
+ BLOCK_INPUT;
+ XMoveResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
+ root_x, root_y - height, width, height);
+ XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f));
+ UNBLOCK_INPUT;
+#endif /* TODO */
+
+ /* 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;
+
+ start_timer:
+ /* 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;
+ Lisp_Object deleted, frame, timer;
+ struct gcpro gcpro1, gcpro2;
+
+ /* Return quickly if nothing to do. */
+ if (NILP (tip_timer) && NILP (tip_frame))
+ return Qnil;
+
+ frame = tip_frame;
+ timer = tip_timer;
+ GCPRO2 (frame, timer);
+ tip_frame = tip_timer = deleted = Qnil;
+
+ count = BINDING_STACK_SIZE ();
+ specbind (Qinhibit_redisplay, Qt);
+ specbind (Qinhibit_quit, Qt);
+
+ if (!NILP (timer))
+ call1 (Qcancel_timer, timer);
+
+ if (FRAMEP (frame))
+ {
+ Fdelete_frame (frame, Qnil);
+ deleted = Qt;
+ }
+
+ UNGCPRO;
+ return unbind_to (count, deleted);
+}
+#endif
+
+
+\f
+/***********************************************************************
+ File selection dialog
+ ***********************************************************************/
+
+extern Lisp_Object Qfile_name_history;
+
+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;
+{
+ struct frame *f = SELECTED_FRAME ();
+ Lisp_Object file = Qnil;
+ int count = specpdl_ptr - specpdl;
+ struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5;
+ char filename[MAX_PATH + 1];
+ char init_dir[MAX_PATH + 1];
+ int use_dialog_p = 1;
+
+ GCPRO5 (prompt, dir, default_filename, mustmatch, file);
+ CHECK_STRING (prompt, 0);
+ CHECK_STRING (dir, 1);
+
+ /* Create the dialog with PROMPT as title, using DIR as initial
+ directory and using "*" as pattern. */
+ dir = Fexpand_file_name (dir, Qnil);
+ strncpy (init_dir, XSTRING (dir)->data, MAX_PATH);
+ init_dir[MAX_PATH] = '\0';
+ unixtodos_filename (init_dir);
+
+ if (STRINGP (default_filename))
+ {
+ char *file_name_only;
+ char *full_path_name = XSTRING (default_filename)->data;
+
+ unixtodos_filename (full_path_name);
+
+ file_name_only = strrchr (full_path_name, '\\');
+ if (!file_name_only)
+ file_name_only = full_path_name;
+ else
+ {
+ file_name_only++;
+
+ /* If default_file_name is a directory, don't use the open
+ file dialog, as it does not support selecting
+ directories. */
+ if (!(*file_name_only))
+ use_dialog_p = 0;
+ }
+
+ strncpy (filename, file_name_only, MAX_PATH);
+ filename[MAX_PATH] = '\0';
+ }
+ else
+ filename[0] = '\0';
+
+ if (use_dialog_p)
+ {
+ OPENFILENAME file_details;
+
+ /* Prevent redisplay. */
+ specbind (Qinhibit_redisplay, Qt);
+ BLOCK_INPUT;
+
+ bzero (&file_details, sizeof (file_details));
+ file_details.lStructSize = sizeof (file_details);
+ file_details.hwndOwner = FRAME_W32_WINDOW (f);
+ file_details.lpstrFile = filename;
+ file_details.nMaxFile = sizeof (filename);
+ file_details.lpstrInitialDir = init_dir;
+ file_details.lpstrTitle = XSTRING (prompt)->data;
+ file_details.Flags = OFN_HIDEREADONLY | OFN_NOCHANGEDIR;
+
+ if (!NILP (mustmatch))
+ file_details.Flags |= OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST;
+
+ if (GetOpenFileName (&file_details))
+ {
+ dostounix_filename (filename);
+ file = build_string (filename);
+ }
+ else
+ file = Qnil;
+
+ UNBLOCK_INPUT;
+ file = unbind_to (count, file);
+ }
+ /* Open File dialog will not allow folders to be selected, so resort
+ to minibuffer completing reads for directories. */
+ else
+ file = Fcompleting_read (prompt, intern ("read-file-name-internal"),
+ dir, mustmatch, dir, Qfile_name_history,
+ default_filename, Qnil);
+
+ UNGCPRO;
+
+ /* Make "Cancel" equivalent to C-g. */
+ if (NILP (file))
+ Fsignal (Qquit, Qnil);
+
+ return unbind_to (count, file);
+}
+
+
+\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
+/***********************************************************************
+ w32 specialized functions
+ ***********************************************************************/
+
+DEFUN ("w32-select-font", Fw32_select_font, Sw32_select_font, 0, 1, 0,
+ "This will display the W32 font dialog and return an X font string corresponding to the selection.")
+ (frame)
+ Lisp_Object frame;
+{
+ FRAME_PTR f = check_x_frame (frame);
+ CHOOSEFONT cf;
+ LOGFONT lf;
+ TEXTMETRIC tm;
+ HDC hdc;
+ HANDLE oldobj;
+ char buf[100];
+
+ bzero (&cf, sizeof (cf));
+ bzero (&lf, sizeof (lf));
+
+ cf.lStructSize = sizeof (cf);
+ cf.hwndOwner = FRAME_W32_WINDOW (f);
+ cf.Flags = CF_FORCEFONTEXIST | CF_SCREENFONTS;
+ cf.lpLogFont = &lf;
+
+ /* Initialize as much of the font details as we can from the current
+ default font. */
+ hdc = GetDC (FRAME_W32_WINDOW (f));
+ oldobj = SelectObject (hdc, FRAME_FONT (f)->hfont);
+ GetTextFace (hdc, LF_FACESIZE, lf.lfFaceName);
+ if (GetTextMetrics (hdc, &tm))
+ {
+ lf.lfHeight = tm.tmInternalLeading - tm.tmHeight;
+ lf.lfWeight = tm.tmWeight;
+ lf.lfItalic = tm.tmItalic;
+ lf.lfUnderline = tm.tmUnderlined;
+ lf.lfStrikeOut = tm.tmStruckOut;
+ lf.lfCharSet = tm.tmCharSet;
+ cf.Flags |= CF_INITTOLOGFONTSTRUCT;
+ }
+ SelectObject (hdc, oldobj);
+ ReleaseDC (FRAME_W32_WINDOW (f), hdc);
+
+ if (!ChooseFont (&cf) || !w32_to_x_font (&lf, buf, 100, NULL))
+ return Qnil;
+
+ return build_string (buf);
+}
+
+DEFUN ("w32-send-sys-command", Fw32_send_sys_command, Sw32_send_sys_command, 1, 2, 0,
+ "Send frame a Windows WM_SYSCOMMAND message of type COMMAND.\n\
+Some useful values for command are 0xf030 to maximise frame (0xf020\n\
+to minimize), 0xf120 to restore frame to original size, and 0xf100\n\
+to activate the menubar for keyboard access. 0xf140 activates the\n\
+screen saver if defined.\n\
+\n\
+If optional parameter FRAME is not specified, use selected frame.")
+ (command, frame)
+ Lisp_Object command, frame;
+{
+ FRAME_PTR f = check_x_frame (frame);
+
+ CHECK_NUMBER (command, 0);
+
+ PostMessage (FRAME_W32_WINDOW (f), WM_SYSCOMMAND, XINT (command), 0);
+
+ return Qnil;
+}
+
+DEFUN ("w32-shell-execute", Fw32_shell_execute, Sw32_shell_execute, 2, 4, 0,
+ "Get Windows to perform OPERATION on DOCUMENT.\n\
+This is a wrapper around the ShellExecute system function, which\n\
+invokes the application registered to handle OPERATION for DOCUMENT.\n\
+OPERATION is typically \"open\", \"print\" or \"explore\" (but can be\n\
+nil for the default action), and DOCUMENT is typically the name of a\n\
+document file or URL, but can also be a program executable to run or\n\
+a directory to open in the Windows Explorer.\n\
+\n\
+If DOCUMENT is a program executable, PARAMETERS can be a string\n\
+containing command line parameters, but otherwise should be nil.\n\
+\n\
+SHOW-FLAG can be used to control whether the invoked application is hidden\n\
+or minimized. If SHOW-FLAG is nil, the application is displayed normally,\n\
+otherwise it is an integer representing a ShowWindow flag:\n\
+\n\
+ 0 - start hidden\n\
+ 1 - start normally\n\
+ 3 - start maximized\n\
+ 6 - start minimized")
+ (operation, document, parameters, show_flag)
+ Lisp_Object operation, document, parameters, show_flag;
+{
+ Lisp_Object current_dir;
+
+ CHECK_STRING (document, 0);
+
+ /* Encode filename and current directory. */
+ current_dir = ENCODE_FILE (current_buffer->directory);
+ document = ENCODE_FILE (document);
+ if ((int) ShellExecute (NULL,
+ (STRINGP (operation) ?
+ XSTRING (operation)->data : NULL),
+ XSTRING (document)->data,
+ (STRINGP (parameters) ?
+ XSTRING (parameters)->data : NULL),
+ XSTRING (current_dir)->data,
+ (INTEGERP (show_flag) ?
+ XINT (show_flag) : SW_SHOWDEFAULT))
+ > 32)
+ return Qt;
+ error ("ShellExecute failed: %s", w32_strerror (0));
+}
+
+/* Lookup virtual keycode from string representing the name of a
+ non-ascii keystroke into the corresponding virtual key, using
+ lispy_function_keys. */
+static int
+lookup_vk_code (char *key)
+{
+ int i;
+
+ for (i = 0; i < 256; i++)
+ if (lispy_function_keys[i] != 0
+ && strcmp (lispy_function_keys[i], key) == 0)
+ return i;
+
+ return -1;
+}
+
+/* Convert a one-element vector style key sequence to a hot key
+ definition. */
+static int
+w32_parse_hot_key (key)
+ Lisp_Object key;
+{
+ /* Copied from Fdefine_key and store_in_keymap. */
+ register Lisp_Object c;
+ int vk_code;
+ int lisp_modifiers;
+ int w32_modifiers;
+ struct gcpro gcpro1;
+
+ CHECK_VECTOR (key, 0);
+
+ if (XFASTINT (Flength (key)) != 1)
+ return Qnil;
+
+ GCPRO1 (key);
+
+ c = Faref (key, make_number (0));
+
+ if (CONSP (c) && lucid_event_type_list_p (c))
+ c = Fevent_convert_list (c);
+
+ UNGCPRO;
+
+ if (! INTEGERP (c) && ! SYMBOLP (c))
+ error ("Key definition is invalid");
+
+ /* Work out the base key and the modifiers. */
+ if (SYMBOLP (c))
+ {
+ c = parse_modifiers (c);
+ lisp_modifiers = Fcar (Fcdr (c));
+ c = Fcar (c);
+ if (!SYMBOLP (c))
+ abort ();
+ vk_code = lookup_vk_code (XSYMBOL (c)->name->data);
+ }
+ else if (INTEGERP (c))
+ {
+ lisp_modifiers = XINT (c) & ~CHARACTERBITS;
+ /* Many ascii characters are their own virtual key code. */
+ vk_code = XINT (c) & CHARACTERBITS;
+ }
+
+ if (vk_code < 0 || vk_code > 255)
+ return Qnil;
+
+ if ((lisp_modifiers & meta_modifier) != 0
+ && !NILP (Vw32_alt_is_meta))
+ lisp_modifiers |= alt_modifier;
+
+ /* Supply defs missing from mingw32. */
+#ifndef MOD_ALT
+#define MOD_ALT 0x0001
+#define MOD_CONTROL 0x0002
+#define MOD_SHIFT 0x0004
+#define MOD_WIN 0x0008
+#endif
+
+ /* Convert lisp modifiers to Windows hot-key form. */
+ w32_modifiers = (lisp_modifiers & hyper_modifier) ? MOD_WIN : 0;
+ w32_modifiers |= (lisp_modifiers & alt_modifier) ? MOD_ALT : 0;
+ w32_modifiers |= (lisp_modifiers & ctrl_modifier) ? MOD_CONTROL : 0;
+ w32_modifiers |= (lisp_modifiers & shift_modifier) ? MOD_SHIFT : 0;
+
+ return HOTKEY (vk_code, w32_modifiers);
+}
+
+DEFUN ("w32-register-hot-key", Fw32_register_hot_key, Sw32_register_hot_key, 1, 1, 0,
+ "Register KEY as a hot-key combination.\n\
+Certain key combinations like Alt-Tab are reserved for system use on\n\
+Windows, and therefore are normally intercepted by the system. However,\n\
+most of these key combinations can be received by registering them as\n\
+hot-keys, overriding their special meaning.\n\
+\n\
+KEY must be a one element key definition in vector form that would be\n\
+acceptable to `define-key' (e.g. [A-tab] for Alt-Tab). The meta\n\
+modifier is interpreted as Alt if `w32-alt-is-meta' is t, and hyper\n\
+is always interpreted as the Windows modifier keys.\n\
+\n\
+The return value is the hotkey-id if registered, otherwise nil.")
+ (key)
+ Lisp_Object key;
+{
+ key = w32_parse_hot_key (key);
+
+ if (NILP (Fmemq (key, w32_grabbed_keys)))
+ {
+ /* Reuse an empty slot if possible. */
+ Lisp_Object item = Fmemq (Qnil, w32_grabbed_keys);
+
+ /* Safe to add new key to list, even if we have focus. */
+ if (NILP (item))
+ w32_grabbed_keys = Fcons (key, w32_grabbed_keys);
+ else
+ XCAR (item) = key;
+
+ /* Notify input thread about new hot-key definition, so that it
+ takes effect without needing to switch focus. */
+ PostThreadMessage (dwWindowsThreadId, WM_EMACS_REGISTER_HOT_KEY,
+ (WPARAM) key, 0);
+ }
+
+ return key;
+}
+
+DEFUN ("w32-unregister-hot-key", Fw32_unregister_hot_key, Sw32_unregister_hot_key, 1, 1, 0,
+ "Unregister HOTKEY as a hot-key combination.")
+ (key)
+ Lisp_Object key;
+{
+ Lisp_Object item;
+
+ if (!INTEGERP (key))
+ key = w32_parse_hot_key (key);
+
+ item = Fmemq (key, w32_grabbed_keys);
+
+ if (!NILP (item))
+ {
+ /* Notify input thread about hot-key definition being removed, so
+ that it takes effect without needing focus switch. */
+ if (PostThreadMessage (dwWindowsThreadId, WM_EMACS_UNREGISTER_HOT_KEY,
+ (WPARAM) XINT (XCAR (item)), (LPARAM) item))
+ {
+ MSG msg;
+ GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE);
+ }
+ return Qt;
+ }
+ return Qnil;
+}
+
+DEFUN ("w32-registered-hot-keys", Fw32_registered_hot_keys, Sw32_registered_hot_keys, 0, 0, 0,
+ "Return list of registered hot-key IDs.")
+ ()
+{
+ return Fcopy_sequence (w32_grabbed_keys);
+}
+
+DEFUN ("w32-reconstruct-hot-key", Fw32_reconstruct_hot_key, Sw32_reconstruct_hot_key, 1, 1, 0,
+ "Convert hot-key ID to a lisp key combination.")
+ (hotkeyid)
+ Lisp_Object hotkeyid;
+{
+ int vk_code, w32_modifiers;
+ Lisp_Object key;
+
+ CHECK_NUMBER (hotkeyid, 0);
+
+ vk_code = HOTKEY_VK_CODE (hotkeyid);
+ w32_modifiers = HOTKEY_MODIFIERS (hotkeyid);
+
+ if (lispy_function_keys[vk_code])
+ key = intern (lispy_function_keys[vk_code]);
+ else
+ key = make_number (vk_code);
+
+ key = Fcons (key, Qnil);
+ if (w32_modifiers & MOD_SHIFT)
+ key = Fcons (Qshift, key);
+ if (w32_modifiers & MOD_CONTROL)
+ key = Fcons (Qctrl, key);
+ if (w32_modifiers & MOD_ALT)
+ key = Fcons (NILP (Vw32_alt_is_meta) ? Qalt : Qmeta, key);
+ if (w32_modifiers & MOD_WIN)
+ key = Fcons (Qhyper, key);
+
+ return key;
+}
+
+DEFUN ("w32-toggle-lock-key", Fw32_toggle_lock_key, Sw32_toggle_lock_key, 1, 2, 0,
+ "Toggle the state of the lock key KEY.\n\
+KEY can be `capslock', `kp-numlock', or `scroll'.\n\
+If the optional parameter NEW-STATE is a number, then the state of KEY\n\
+is set to off if the low bit of NEW-STATE is zero, otherwise on.")
+ (key, new_state)
+ Lisp_Object key, new_state;
+{
+ int vk_code;
+
+ if (EQ (key, intern ("capslock")))
+ vk_code = VK_CAPITAL;
+ else if (EQ (key, intern ("kp-numlock")))
+ vk_code = VK_NUMLOCK;
+ else if (EQ (key, intern ("scroll")))
+ vk_code = VK_SCROLL;
+ else
+ return Qnil;
+
+ if (!dwWindowsThreadId)
+ return make_number (w32_console_toggle_lock_key (vk_code, new_state));
+
+ if (PostThreadMessage (dwWindowsThreadId, WM_EMACS_TOGGLE_LOCK_KEY,
+ (WPARAM) vk_code, (LPARAM) new_state))
+ {
+ MSG msg;
+ GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE);
+ return make_number (msg.wParam);
+ }
+ return Qnil;
+}
+\f
+DEFUN ("file-system-info", Ffile_system_info, Sfile_system_info, 1, 1, 0,
+ "Return storage information about the file system FILENAME is on.\n\
+Value is a list of floats (TOTAL FREE AVAIL), where TOTAL is the total\n\
+storage of the file system, FREE is the free storage, and AVAIL is the\n\
+storage available to a non-superuser. All 3 numbers are in bytes.\n\
+If the underlying system call fails, value is nil.")
+ (filename)
+ Lisp_Object filename;
+{
+ Lisp_Object encoded, value;
+
+ CHECK_STRING (filename, 0);
+ filename = Fexpand_file_name (filename, Qnil);
+ encoded = ENCODE_FILE (filename);
+
+ value = Qnil;
+
+ /* Determining the required information on Windows turns out, sadly,
+ to be more involved than one would hope. The original Win32 api
+ call for this will return bogus information on some systems, but we
+ must dynamically probe for the replacement api, since that was
+ added rather late on. */
+ {
+ HMODULE hKernel = GetModuleHandle ("kernel32");
+ BOOL (*pfn_GetDiskFreeSpaceEx)
+ (char *, PULARGE_INTEGER, PULARGE_INTEGER, PULARGE_INTEGER)
+ = (void *) GetProcAddress (hKernel, "GetDiskFreeSpaceEx");
+
+ /* On Windows, we may need to specify the root directory of the
+ volume holding FILENAME. */
+ char rootname[MAX_PATH];
+ char *name = XSTRING (encoded)->data;
+
+ /* find the root name of the volume if given */
+ if (isalpha (name[0]) && name[1] == ':')
+ {
+ rootname[0] = name[0];
+ rootname[1] = name[1];
+ rootname[2] = '\\';
+ rootname[3] = 0;
+ }
+ else if (IS_DIRECTORY_SEP (name[0]) && IS_DIRECTORY_SEP (name[1]))
+ {
+ char *str = rootname;
+ int slashes = 4;
+ do
+ {
+ if (IS_DIRECTORY_SEP (*name) && --slashes == 0)
+ break;
+ *str++ = *name++;
+ }
+ while ( *name );
+
+ *str++ = '\\';
+ *str = 0;
+ }
+
+ if (pfn_GetDiskFreeSpaceEx)
+ {
+ LARGE_INTEGER availbytes;
+ LARGE_INTEGER freebytes;
+ LARGE_INTEGER totalbytes;
+
+ if (pfn_GetDiskFreeSpaceEx(rootname,
+ &availbytes,
+ &totalbytes,
+ &freebytes))
+ value = list3 (make_float ((double) totalbytes.QuadPart),
+ make_float ((double) freebytes.QuadPart),
+ make_float ((double) availbytes.QuadPart));
+ }
+ else
+ {
+ DWORD sectors_per_cluster;
+ DWORD bytes_per_sector;
+ DWORD free_clusters;
+ DWORD total_clusters;
+
+ if (GetDiskFreeSpace(rootname,
+ §ors_per_cluster,
+ &bytes_per_sector,
+ &free_clusters,
+ &total_clusters))
+ value = list3 (make_float ((double) total_clusters
+ * sectors_per_cluster * bytes_per_sector),
+ make_float ((double) free_clusters
+ * sectors_per_cluster * bytes_per_sector),
+ make_float ((double) free_clusters
+ * sectors_per_cluster * bytes_per_sector));
+ }
+ }
+
+ return value;
+}
+\f
+syms_of_w32fns ()
+{
+ /* This is zero if not using MS-Windows. */
+ w32_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);
- Qbackground_color = intern ("background-color");
- staticpro (&Qbackground_color);
Qbar = intern ("bar");
staticpro (&Qbar);
Qborder_color = intern ("border-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 (&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 (&Quser_position);
Quser_size = intern ("user-size");
staticpro (&Quser_size);
- Qdisplay = intern ("display");
- staticpro (&Qdisplay);
+ Qscreen_gamma = intern ("screen-gamma");
+ staticpro (&Qscreen_gamma);
+ Qline_spacing = intern ("line-spacing");
+ staticpro (&Qline_spacing);
+ Qcenter = intern ("center");
+ staticpro (&Qcenter);
+ Qcancel_timer = intern ("cancel-timer");
+ staticpro (&Qcancel_timer);
/* This is the end of symbol initialization. */
+ Qhyper = intern ("hyper");
+ staticpro (&Qhyper);
+ Qsuper = intern ("super");
+ staticpro (&Qsuper);
+ Qmeta = intern ("meta");
+ staticpro (&Qmeta);
+ Qalt = intern ("alt");
+ staticpro (&Qalt);
+ Qctrl = intern ("ctrl");
+ staticpro (&Qctrl);
+ Qcontrol = intern ("control");
+ staticpro (&Qcontrol);
+ Qshift = intern ("shift");
+ staticpro (&Qshift);
+
+ /* 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"));
+ staticpro (&w32_grabbed_keys);
+ w32_grabbed_keys = Qnil;
+
DEFVAR_LISP ("w32-color-map", &Vw32_color_map,
- "A array of color name mappings for windows.");
+ "An array of color name mappings for windows.");
Vw32_color_map = Qnil;
DEFVAR_LISP ("w32-pass-alt-to-system", &Vw32_pass_alt_to_system,
When nil, Emacs will translate the alt key to the Alt modifier, and not Meta.");
Vw32_alt_is_meta = Qt;
- DEFVAR_LISP ("w32-pass-optional-keys-to-system",
- &Vw32_pass_optional_keys_to_system,
- "Non-nil if the 'optional' keys (left window, right window,\n\
-and application keys) are passed on to Windows.");
- Vw32_pass_optional_keys_to_system = Qnil;
-
- DEFVAR_LISP ("w32-enable-italics", &Vw32_enable_italics,
- "Non-nil enables selection of artificially italicized fonts.");
- Vw32_enable_italics = Qnil;
+ DEFVAR_INT ("w32-quit-key", &Vw32_quit_key,
+ "If non-zero, the virtual key code for an alternative quit key.");
+ XSETINT (Vw32_quit_key, 0);
+
+ DEFVAR_LISP ("w32-pass-lwindow-to-system",
+ &Vw32_pass_lwindow_to_system,
+ "Non-nil if the left \"Windows\" key is passed on to Windows.\n\
+When non-nil, the Start menu is opened by tapping the key.");
+ Vw32_pass_lwindow_to_system = Qt;
+
+ DEFVAR_LISP ("w32-pass-rwindow-to-system",
+ &Vw32_pass_rwindow_to_system,
+ "Non-nil if the right \"Windows\" key is passed on to Windows.\n\
+When non-nil, the Start menu is opened by tapping the key.");
+ Vw32_pass_rwindow_to_system = Qt;
+
+ DEFVAR_INT ("w32-phantom-key-code",
+ &Vw32_phantom_key_code,
+ "Virtual key code used to generate \"phantom\" key presses.\n\
+Value is a number between 0 and 255.\n\
+\n\
+Phantom key presses are generated in order to stop the system from\n\
+acting on \"Windows\" key events when `w32-pass-lwindow-to-system' or\n\
+`w32-pass-rwindow-to-system' is nil.");
+ /* Although 255 is technically not a valid key code, it works and
+ means that this hack won't interfere with any real key code. */
+ Vw32_phantom_key_code = 255;
+
+ DEFVAR_LISP ("w32-enable-num-lock",
+ &Vw32_enable_num_lock,
+ "Non-nil if Num Lock should act normally.\n\
+Set to nil to see Num Lock as the key `kp-numlock'.");
+ Vw32_enable_num_lock = Qt;
+
+ DEFVAR_LISP ("w32-enable-caps-lock",
+ &Vw32_enable_caps_lock,
+ "Non-nil if Caps Lock should act normally.\n\
+Set to nil to see Caps Lock as the key `capslock'.");
+ Vw32_enable_caps_lock = Qt;
+
+ DEFVAR_LISP ("w32-scroll-lock-modifier",
+ &Vw32_scroll_lock_modifier,
+ "Modifier to use for the Scroll Lock on state.\n\
+The value can be hyper, super, meta, alt, control or shift for the\n\
+respective modifier, or nil to see Scroll Lock as the key `scroll'.\n\
+Any other value will cause the key to be ignored.");
+ Vw32_scroll_lock_modifier = Qt;
+
+ DEFVAR_LISP ("w32-lwindow-modifier",
+ &Vw32_lwindow_modifier,
+ "Modifier to use for the left \"Windows\" key.\n\
+The value can be hyper, super, meta, alt, control or shift for the\n\
+respective modifier, or nil to appear as the key `lwindow'.\n\
+Any other value will cause the key to be ignored.");
+ Vw32_lwindow_modifier = Qnil;
+
+ DEFVAR_LISP ("w32-rwindow-modifier",
+ &Vw32_rwindow_modifier,
+ "Modifier to use for the right \"Windows\" key.\n\
+The value can be hyper, super, meta, alt, control or shift for the\n\
+respective modifier, or nil to appear as the key `rwindow'.\n\
+Any other value will cause the key to be ignored.");
+ Vw32_rwindow_modifier = Qnil;
+
+ DEFVAR_LISP ("w32-apps-modifier",
+ &Vw32_apps_modifier,
+ "Modifier to use for the \"Apps\" key.\n\
+The value can be hyper, super, meta, alt, control or shift for the\n\
+respective modifier, or nil to appear as the key `apps'.\n\
+Any other value will cause the key to be ignored.");
+ Vw32_apps_modifier = Qnil;
+
+ DEFVAR_LISP ("w32-enable-synthesized-fonts", &Vw32_enable_synthesized_fonts,
+ "Non-nil enables selection of artificially italicized and bold fonts.");
+ Vw32_enable_synthesized_fonts = Qnil;
DEFVAR_LISP ("w32-enable-palette", &Vw32_enable_palette,
- "Non-nil enables Windows palette management to map colors exactly.");
+ "Non-nil enables Windows palette management to map colors exactly.");
Vw32_enable_palette = Qt;
DEFVAR_INT ("w32-mouse-button-tolerance",
&Vw32_mouse_button_tolerance,
- "Analogue of double click interval for faking middle mouse events.\n\
+ "Analogue of double click interval for faking middle mouse events.\n\
The value is the minimum time in milliseconds that must elapse between\n\
left/right button down events before they are considered distinct events.\n\
If both mouse buttons are depressed within this interval, a middle mouse\n\
The value is the minimum time in milliseconds that must elapse between\n\
successive mouse move (or scroll bar drag) events before they are\n\
reported as lisp events.");
- XSETINT (Vw32_mouse_move_interval, 50);
+ XSETINT (Vw32_mouse_move_interval, 0);
init_x_parm_symbols ();
Vx_mode_pointer_shape = Qnil;
- DEFVAR_INT ("x-sensitive-text-pointer-shape",
+ DEFVAR_LISP ("x-hourglass-pointer-shape", &Vx_hourglass_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_hourglass_pointer_shape = Qnil;
+
+ DEFVAR_BOOL ("display-hourglass", &display_hourglass_p,
+ "Non-zero means Emacs displays an hourglass pointer on window systems.");
+ display_hourglass_p = 1;
+
+ DEFVAR_LISP ("hourglass-delay", &Vhourglass_delay,
+ "*Seconds to wait before displaying an hourglass pointer.\n\
+Value must be an integer or float.");
+ Vhourglass_delay = make_number (DEFAULT_HOURGLASS_DELAY);
+
+ DEFVAR_LISP ("x-sensitive-text-pointer-shape",
&Vx_sensitive_text_pointer_shape,
"The shape of the pointer when over mouse-sensitive text.\n\
This variable takes effect when you create a new frame\n\
or when you set the mouse color.");
Vx_sensitive_text_pointer_shape = Qnil;
+ DEFVAR_LISP ("x-window-horizontal-drag-cursor",
+ &Vx_window_horizontal_drag_shape,
+ "Pointer shape to use for indicating a window can be dragged horizontally.\n\
+This variable takes effect when you create a new frame\n\
+or when you set the mouse color.");
+ Vx_window_horizontal_drag_shape = Qnil;
+
DEFVAR_LISP ("x-cursor-fore-pixel", &Vx_cursor_fore_pixel,
"A string indicating the foreground color of the cursor box.");
Vx_cursor_fore_pixel = Qnil;
and maybe the user would like to set it to t. */
Vx_no_window_manager = Qnil;
+ DEFVAR_LISP ("x-pixel-size-width-font-regexp",
+ &Vx_pixel_size_width_font_regexp,
+ "Regexp matching a font name whose width is the same as `PIXEL_SIZE'.\n\
+\n\
+Since Emacs gets width of a font matching with this regexp from\n\
+PIXEL_SIZE field of the name, font finding mechanism gets faster for\n\
+such a font. This is especially effective for such large fonts as\n\
+Chinese, Japanese, and Korean.");
+ Vx_pixel_size_width_font_regexp = Qnil;
+
+ DEFVAR_LISP ("image-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 ("w32-bdf-filename-alist",
+ &Vw32_bdf_filename_alist,
+ "List of bdf fonts and their corresponding filenames.");
+ Vw32_bdf_filename_alist = Qnil;
+
+ DEFVAR_BOOL ("w32-strict-fontnames",
+ &w32_strict_fontnames,
+ "Non-nil means only use fonts that are exact matches for those requested.\n\
+Default is nil, which allows old fontnames that are not XLFD compliant,\n\
+and allows third-party CJK display to work by specifying false charset\n\
+fields to trick Emacs into translating to Big5, SJIS etc.\n\
+Setting this to t will prevent wrong fonts being selected when\n\
+fontsets are automatically created.");
+ w32_strict_fontnames = 0;
+
+ DEFVAR_BOOL ("w32-strict-painting",
+ &w32_strict_painting,
+ "Non-nil means use strict rules for repainting frames.\n\
+Set this to nil to get the old behaviour for repainting; this should\n\
+only be necessary if the default setting causes problems.");
+ w32_strict_painting = 1;
+
+ DEFVAR_LISP ("w32-system-coding-system",
+ &Vw32_system_coding_system,
+ "Coding system used by Windows system functions, such as for font names.");
+ Vw32_system_coding_system = Qnil;
+
+ DEFVAR_LISP ("w32-charset-info-alist",
+ &Vw32_charset_info_alist,
+ "Alist linking Emacs character sets to Windows fonts\n\
+and codepages. Each entry should be of the form:\n\
+\n\
+ (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE))\n\
+\n\
+where CHARSET_NAME is a string used in font names to identify the charset,\n\
+WINDOWS_CHARSET is a symbol that can be one of:\n\
+w32-charset-ansi, w32-charset-default, w32-charset-symbol,\n\
+w32-charset-shiftjis, w32-charset-hangeul, w32-charset-gb2312,\n\
+w32-charset-chinesebig5, "
+#ifdef JOHAB_CHARSET
+"w32-charset-johab, w32-charset-hebrew,\n\
+w32-charset-arabic, w32-charset-greek, w32-charset-turkish,\n\
+w32-charset-vietnamese, w32-charset-thai, w32-charset-easteurope,\n\
+w32-charset-russian, w32-charset-mac, w32-charset-baltic,\n"
+#endif
+#ifdef UNICODE_CHARSET
+"w32-charset-unicode, "
+#endif
+"or w32-charset-oem.\n\
+CODEPAGE should be an integer specifying the codepage that should be used\n\
+to display the character set, t to do no translation and output as Unicode,\n\
+or nil to do no translation and output as 8 bit (or multibyte on far-east\n\
+versions of Windows) characters.");
+ Vw32_charset_info_alist = Qnil;
+
+ staticpro (&Qw32_charset_ansi);
+ Qw32_charset_ansi = intern ("w32-charset-ansi");
+ staticpro (&Qw32_charset_symbol);
+ Qw32_charset_symbol = intern ("w32-charset-symbol");
+ staticpro (&Qw32_charset_shiftjis);
+ Qw32_charset_shiftjis = intern ("w32-charset-shiftjis");
+ staticpro (&Qw32_charset_hangeul);
+ Qw32_charset_hangeul = intern ("w32-charset-hangeul");
+ staticpro (&Qw32_charset_chinesebig5);
+ Qw32_charset_chinesebig5 = intern ("w32-charset-chinesebig5");
+ staticpro (&Qw32_charset_gb2312);
+ Qw32_charset_gb2312 = intern ("w32-charset-gb2312");
+ staticpro (&Qw32_charset_oem);
+ Qw32_charset_oem = intern ("w32-charset-oem");
+
+#ifdef JOHAB_CHARSET
+ {
+ static int w32_extra_charsets_defined = 1;
+ DEFVAR_BOOL ("w32-extra-charsets-defined", &w32_extra_charsets_defined, "");
+
+ staticpro (&Qw32_charset_johab);
+ Qw32_charset_johab = intern ("w32-charset-johab");
+ staticpro (&Qw32_charset_easteurope);
+ Qw32_charset_easteurope = intern ("w32-charset-easteurope");
+ staticpro (&Qw32_charset_turkish);
+ Qw32_charset_turkish = intern ("w32-charset-turkish");
+ staticpro (&Qw32_charset_baltic);
+ Qw32_charset_baltic = intern ("w32-charset-baltic");
+ staticpro (&Qw32_charset_russian);
+ Qw32_charset_russian = intern ("w32-charset-russian");
+ staticpro (&Qw32_charset_arabic);
+ Qw32_charset_arabic = intern ("w32-charset-arabic");
+ staticpro (&Qw32_charset_greek);
+ Qw32_charset_greek = intern ("w32-charset-greek");
+ staticpro (&Qw32_charset_hebrew);
+ Qw32_charset_hebrew = intern ("w32-charset-hebrew");
+ staticpro (&Qw32_charset_vietnamese);
+ Qw32_charset_vietnamese = intern ("w32-charset-vietnamese");
+ staticpro (&Qw32_charset_thai);
+ Qw32_charset_thai = intern ("w32-charset-thai");
+ staticpro (&Qw32_charset_mac);
+ Qw32_charset_mac = intern ("w32-charset-mac");
+ }
+#endif
+
+#ifdef UNICODE_CHARSET
+ {
+ static int w32_unicode_charset_defined = 1;
+ DEFVAR_BOOL ("w32-unicode-charset-defined",
+ &w32_unicode_charset_defined, "");
+
+ staticpro (&Qw32_charset_unicode);
+ Qw32_charset_unicode = intern ("w32-charset-unicode");
+#endif
+
defsubr (&Sx_get_resource);
- defsubr (&Sx_list_fonts);
- defsubr (&Sx_display_color_p);
+#if 0 /* TODO: Port to W32 */
+ defsubr (&Sx_change_window_property);
+ defsubr (&Sx_delete_window_property);
+ defsubr (&Sx_window_property);
+#endif
+ 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);
defsubr (&Sx_display_save_under);
defsubr (&Sx_parse_geometry);
defsubr (&Sx_create_frame);
- defsubr (&Sfocus_frame);
- defsubr (&Sunfocus_frame);
defsubr (&Sx_open_connection);
defsubr (&Sx_close_connection);
defsubr (&Sx_display_list);
/* W32 specific functions */
+ defsubr (&Sw32_focus_frame);
defsubr (&Sw32_select_font);
defsubr (&Sw32_define_rgb_color);
defsubr (&Sw32_default_color_map);
defsubr (&Sw32_load_color_file);
+ defsubr (&Sw32_send_sys_command);
+ defsubr (&Sw32_shell_execute);
+ defsubr (&Sw32_register_hot_key);
+ defsubr (&Sw32_unregister_hot_key);
+ defsubr (&Sw32_registered_hot_keys);
+ defsubr (&Sw32_reconstruct_hot_key);
+ defsubr (&Sw32_toggle_lock_key);
+ defsubr (&Sw32_find_bdf_fonts);
+
+ defsubr (&Sfile_system_info);
+
+ /* Setting callback functions for fontset handler. */
+ get_font_info_func = w32_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 = w32_list_fonts;
+#endif
+
+ load_font_func = w32_load_font;
+ find_ccl_program_func = w32_find_ccl_program;
+ query_font_func = w32_query_font;
+ set_frame_fontset_func = x_set_font;
+ check_window_system_func = check_w32;
+
+#if 0 /* TODO Image support for W32 */
+ /* Images. */
+ Qxbm = intern ("xbm");
+ staticpro (&Qxbm);
+ QCtype = intern (":type");
+ staticpro (&QCtype);
+ QCconversion = intern (":conversion");
+ staticpro (&QCconversion);
+ 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
+#endif /* TODO */
+
+ hourglass_atimer = NULL;
+ hourglass_shown_p = 0;
+#ifdef TODO /* Tooltip support not complete. */
+ defsubr (&Sx_show_tip);
+ defsubr (&Sx_hide_tip);
+#endif
+ tip_timer = Qnil;
+ staticpro (&tip_timer);
+ tip_frame = Qnil;
+ staticpro (&tip_frame);
+
+ defsubr (&Sx_file_dialog);
+}
+
+
+void
+init_xfns ()
+{
+ image_types = NULL;
+ Vimage_types = Qnil;
+
+#if 0 /* TODO : Image support for W32 */
+ 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 /* TODO */
}
#undef abort
}
}
+/* For convenience when debugging. */
+int
+w32_last_error()
+{
+ return GetLastError ();
+}
HCoop / bpt / emacs.git / blobdiff