/* 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
+ Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include "window.h"
#include "buffer.h"
#include "dispextern.h"
+#include "intervals.h"
#include "keyboard.h"
#include "blockinput.h"
#include "epaths.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>
-extern void abort ();
extern void free_frame_menubar ();
+extern double atof ();
extern struct scroll_bar *x_window_to_scroll_bar ();
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;
/* 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 italicised fonts (which
- are synthesized, look ugly, and are trashed by cursor movement under NT). */
-Lisp_Object Vw32_enable_italics;
+/* Switch to control whether we inhibit requests for synthesyzed 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 busy cursor. */
+int display_busy_cursor_p;
+
/* The background and shape of the mouse pointer, and shape when not
over text or in the modeline. */
Lisp_Object Vx_pointer_shape, Vx_nontext_pointer_shape, Vx_mode_pointer_shape;
+Lisp_Object Vx_busy_pointer_shape;
+
/* The shape when over mouse-sensitive text. */
Lisp_Object Vx_sensitive_text_pointer_shape;
/*&&& symbols declared here &&&*/
Lisp_Object Qauto_raise;
Lisp_Object Qauto_lower;
-Lisp_Object Qbackground_color;
Lisp_Object Qbar;
Lisp_Object Qborder_color;
Lisp_Object Qborder_width;
Lisp_Object Qbox;
Lisp_Object Qcursor_color;
Lisp_Object Qcursor_type;
-Lisp_Object Qforeground_color;
Lisp_Object Qgeometry;
Lisp_Object Qicon_left;
Lisp_Object Qicon_top;
Lisp_Object 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 Qhyper;
Lisp_Object Qsuper;
Lisp_Object Qmeta;
Lisp_Object Qcontrol;
Lisp_Object Qshift;
+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
#define MMOUSE 2
/* The below are defined in frame.c. */
extern Lisp_Object Qheight, Qminibuffer, Qname, Qonly, Qwidth;
extern Lisp_Object Qunsplittable, Qmenu_bar_lines, Qbuffer_predicate, Qtitle;
+extern Lisp_Object Qtool_bar_lines;
extern Lisp_Object Vwindow_system_version;
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 file;
{
return -1;
-#if 0
+#if 0 /* NTEMACS_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;
/* LoadLibraryEx won't handle special files handled by Emacs handler. */
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 /* NTEMACS_TODO */
}
/* Remove reference to bitmap with id number 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_title ();
-void x_set_unsplittable ();
+/* NTEMACS_TODO: Native Input Method support; see x_create_im. */
+void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_background_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_mouse_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_cursor_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_border_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_cursor_type P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_icon_type P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_icon_name P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_font P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_border_width P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_internal_border_width P_ ((struct frame *, Lisp_Object,
+ Lisp_Object));
+void x_explicitly_set_name P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_autoraise P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_autolower P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_vertical_scroll_bars P_ ((struct frame *, Lisp_Object,
+ Lisp_Object));
+void x_set_visibility P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_scroll_bar_width P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_title P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_unsplittable P_ ((struct frame *, Lisp_Object, Lisp_Object));
+void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
+static void x_set_screen_gamma P_ ((struct frame *, Lisp_Object, Lisp_Object));
static struct x_frame_parm_table x_frame_parms[] =
{
"unsplittable", x_set_unsplittable,
"vertical-scroll-bars", x_set_vertical_scroll_bars,
"visibility", x_set_visibility,
+ "tool-bar-lines", x_set_tool_bar_lines,
+ "screen-gamma", x_set_screen_gamma
};
/* Attach the `x-frame-parameter' properties to
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);
}
#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);
/* 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;
+
+ /* NTEMACS_TODO: Palette mapping should come after gamma
+ correction. */
+ /* Apply gamma correction. */
+ if (f)
+ gamma_correct (f, &w32_color_ref);
+
+ 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 `screen-gamma' frame parameter of frame F. OLD_VALUE is
+ the previous value of that parameter, NEW_VALUE is the new value. */
+
+static void
+x_set_screen_gamma (f, new_value, old_value)
+ struct frame *f;
+ Lisp_Object new_value, old_value;
+{
+ if (NILP (new_value))
+ f->gamma = 0;
+ else if (NUMBERP (new_value) && XFLOATINT (new_value) > 0)
+ /* The value 0.4545 is the normal viewing gamma. */
+ f->gamma = 1.0 / (0.4545 * XFLOATINT (new_value));
+ else
+ Fsignal (Qerror, Fcons (build_string ("Illegal screen-gamma"),
+ Fcons (new_value, Qnil)));
+
+ clear_face_cache (0);
+}
+
+
/* Functions called only from `x_set_frame_param'
to set individual parameters.
struct frame *f;
Lisp_Object arg, oldval;
{
- f->output_data.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;
-#endif
int count;
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 /* NTEMACS_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_busy_pointer_shape))
+ {
+ CHECK_NUMBER (Vx_busy_pointer_shape, 0);
+ busy_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f),
+ XINT (Vx_busy_pointer_shape));
+ }
+ else
+ busy_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);
&fore_color, &back_color);
XRecolorCursor (FRAME_W32_DISPLAY (f), cross_cursor,
&fore_color, &back_color);
+ XRecolorCursor (FRAME_W32_DISPLAY (f), busy_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 (busy_cursor != f->output_data.w32->busy_cursor
+ && f->output_data.w32->busy_cursor != 0)
+ XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->busy_cursor);
+ f->output_data.w32->busy_cursor = busy_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 /* NTEMACS_TODO */
}
void
fore_pixel = x_decode_color (f, Vx_cursor_fore_pixel,
WHITE_PIX_DEFAULT (f));
else
- fore_pixel = f->output_data.w32->background_pixel;
+ fore_pixel = FRAME_BACKGROUND_PIXEL (f);
f->output_data.w32->cursor_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 (f->output_data.w32->cursor_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;
+ fore_pixel = FRAME_BACKGROUND_PIXEL (f);
}
- f->output_data.w32->cursor_foreground_pixel = fore_pixel;
+ FRAME_FOREGROUND_PIXEL (f) = fore_pixel;
if (FRAME_W32_WINDOW (f) != 0)
{
x_display_cursor (f, 1);
}
}
+
+ update_face_from_frame_parameter (f, Qcursor_color, arg);
}
/* Set the border-color of frame F to pixel value PIX.
struct frame *f;
Lisp_Object arg, oldval;
{
- unsigned char *str;
int pix;
CHECK_STRING (arg, 0);
- str = XSTRING (arg)->data;
-
pix = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
-
x_set_border_pixel (f, pix);
+ update_face_from_frame_parameter (f, Qborder_color, arg);
}
void
{
if (EQ (arg, Qbar))
{
- FRAME_DESIRED_CURSOR (f) = bar_cursor;
+ FRAME_DESIRED_CURSOR (f) = BAR_CURSOR;
f->output_data.w32->cursor_width = 2;
}
else if (CONSP (arg) && EQ (XCAR (arg), Qbar)
&& INTEGERP (XCDR (arg)))
{
- FRAME_DESIRED_CURSOR (f) = bar_cursor;
+ FRAME_DESIRED_CURSOR (f) = BAR_CURSOR;
f->output_data.w32->cursor_width = XINT (XCDR (arg));
}
else
/* Treat anything unknown as "box cursor".
It was bad to signal an error; people have trouble fixing
.Xdefaults with Emacs, when it has something bad in it. */
- FRAME_DESIRED_CURSOR (f) = filled_box_cursor;
+ FRAME_DESIRED_CURSOR (f) = FILLED_BOX_CURSOR;
/* Make sure the cursor gets redrawn. This is overkill, but how
often do people change cursor types? */
struct frame *f;
Lisp_Object arg, oldval;
{
- Lisp_Object tem;
int result;
if (STRINGP (arg))
error ("the characters of the given font have varying widths");
else if (STRINGP (result))
{
- recompute_basic_faces (f);
store_frame_param (f, Qfont, result);
+ recompute_basic_faces (f);
}
else
abort ();
- XSETFRAME (frame, f);
- call1 (Qface_set_after_frame_default, frame);
+ 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);
}
}
/* 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;
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;
+
+ /* Use VALUE only if an integer >= 0. */
+ if (INTEGERP (value) && XINT (value) >= 0)
+ nlines = XFASTINT (value);
+ else
+ nlines = 0;
+
+ /* Make sure we redisplay all windows in this frame. */
+ ++windows_or_buffers_changed;
+
+ delta = nlines - FRAME_TOOL_BAR_LINES (f);
+ FRAME_TOOL_BAR_LINES (f) = nlines;
+ x_set_window_size (f, 0, FRAME_WIDTH (f), FRAME_HEIGHT (f));
+ do_pending_window_change (0);
+ adjust_glyphs (f);
}
+
/* Change the name of frame F to NAME. If NAME is nil, set F's name to
w32_id_name.
if (FRAME_W32_WINDOW (f))
{
+ if (STRING_MULTIBYTE (name))
+ name = string_make_unibyte (name);
+
BLOCK_INPUT;
SetWindowText(FRAME_W32_WINDOW (f), XSTRING (name)->data);
UNBLOCK_INPUT;
F->explicit_name is set, ignore the new name; otherwise, set it. */
void
-x_set_title (f, name)
+x_set_title (f, name, old_name)
struct frame *f;
- Lisp_Object name;
+ Lisp_Object name, old_name;
{
/* Don't change the title if it's already NAME. */
if (EQ (name, f->title))
if (FRAME_W32_WINDOW (f))
{
+ if (STRING_MULTIBYTE (name))
+ name = string_make_unibyte (name);
+
BLOCK_INPUT;
SetWindowText(FRAME_W32_WINDOW (f), XSTRING (name)->data);
UNBLOCK_INPUT;
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. */
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'. */
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. */
{
{
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);
+ 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))
{
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,
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, f->output_data.w32->background_pixel);
+ SetWindowLong (hwnd, WND_BACKGROUND_INDEX, FRAME_BACKGROUND_PIXEL (f));
/* Enable drag-n-drop. */
DragAcceptFiles (hwnd, TRUE);
/* 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 0 /* TODO */
/* Start up iconic or window? */
x_wm_set_window_state
- (f, (EQ (x_get_arg (parms, Qvisibility, 0, 0, symbol), Qicon)
+ (f, (EQ (w32_get_arg (parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL), Qicon)
? IconicState
: NormalState));
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;
+}
+
+
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 count = specpdl_ptr - specpdl;
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;
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, "name", "Name", 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))
it to make_frame_without_minibuffer. */
frame = Qnil;
GCPRO4 (parms, parent, name, frame);
- tem = x_get_arg (parms, Qminibuffer, 0, 0, symbol);
+ tem = w32_get_arg (parms, Qminibuffer, 0, 0, RES_TYPE_SYMBOL);
if (EQ (tem, Qnone) || NILP (tem))
f = make_frame_without_minibuffer (Qnil, kb, display);
else if (EQ (tem, Qonly))
f->scroll_bar_pixel_width = GetSystemMetrics (SM_CXVSCROLL);
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;
f->icon_name
- = x_get_arg (parms, Qicon_name, "iconName", "Title", string);
+ = w32_get_arg (parms, Qicon_name, "iconName", "Title", RES_TYPE_STRING);
if (! STRINGP (f->icon_name))
f->icon_name = Qnil;
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))
if (!STRINGP (font))
font = x_new_font (f, "-*-Courier New-normal-r-*-*-13-*-*-*-c-*-iso8859-1");
if (! STRINGP (font))
- font = x_new_font (f, "-*-Courier-normal-r-*-*-*-97-*-*-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, "-*-Fixedsys-normal-r-*-*-*-*-90-*-c-*-iso8859-1");
+ font = x_new_font (f, "-*-Fixedsys-normal-r-*-*-12-*-*-*-c-*-iso8859-1");
UNBLOCK_INPUT;
if (! STRINGP (font))
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", "BorderWidth", 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);
+ "internalBorderWidth", "BorderWidth", RES_TYPE_NUMBER);
x_default_parameter (f, parms, Qvertical_scroll_bars, Qt,
- "verticalScrollBars", "ScrollBars", boolean);
+ "verticalScrollBars", "ScrollBars", RES_TYPE_BOOLEAN);
/* 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);
+
+ /* Init faces before x_default_parameter is called for scroll-bar
+ parameters because that function calls x_set_scroll_bar_width,
+ which calls change_frame_size, which calls Fset_window_buffer,
+ which runs hooks, which call Fvertical_motion. At the end, we
+ end up in init_iterator with a null face cache, which should not
+ happen. */
+ init_frame_faces (f);
+
x_default_parameter (f, parms, Qmenu_bar_lines, make_number (1),
- "menuBar", "MenuBar", number);
- x_default_parameter (f, parms, Qscroll_bar_width, Qnil,
- "scrollBarWidth", "ScrollBarWidth", number);
+ "menuBar", "MenuBar", RES_TYPE_NUMBER);
+ x_default_parameter (f, parms, Qtool_bar_lines, make_number (0),
+ "toolBar", "ToolBar", RES_TYPE_NUMBER);
x_default_parameter (f, parms, Qbuffer_predicate, Qnil,
- "bufferPredicate", "BufferPredicate", symbol);
+ "bufferPredicate", "BufferPredicate", RES_TYPE_SYMBOL);
x_default_parameter (f, parms, Qtitle, Qnil,
- "title", "Title", string);
+ "title", "Title", RES_TYPE_STRING);
f->output_data.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);
+
+ /* Create the window. Add the tool-bar height to the initial frame
+ height so that the user gets a text display area of the size he
+ specified with -g or via the registry. Later changes of the
+ tool-bar height don't change the frame size. This is done so that
+ users can create tall Emacs frames without having to guess how
+ tall the tool-bar will get. */
+ f->height += FRAME_TOOL_BAR_LINES (f);
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
height = f->height;
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);
+
+ /* Set up faces after all frame parameters are known. */
+ call1 (Qface_set_after_frame_default, frame);
- /* 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++;
-
- /* 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;
return unbind_to (count, frame);
}
{
Lisp_Object tail;
int i;
-#if 0 /* This code has nasty side effects that cause Emacs to crash. */
/* 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 (!strcmp (dpyinfo->font_table[i].name,
- XSTRING (XCAR (tail))->data)
- || !strcmp (dpyinfo->font_table[i].full_name,
- XSTRING (XCAR (tail))->data))
+ 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);
-#endif
+
fontname = (char *) XSTRING (XCAR (font_names))->data;
}
else if (w32_strict_fontnames)
struct font_info *fontp;
LOGFONT lf;
BOOL ok;
+ int i;
if (!fontname || !x_to_w32_font (fontname, &lf))
return (NULL);
ok = GetTextMetrics (hdc, &font->tm);
SelectObject (hdc, oldobj);
ReleaseDC (dpyinfo->root_window, hdc);
-
- /* [andrewi, 25-Apr-99] A number of fixed pitch fonts,
- eg. Courier New and perhaps others, report a max width which
- is larger than the average character width, at least on some
- NT systems (I don't understand why - my best guess is that it
- results from installing the CJK language packs for NT4).
- Unfortunately, this forces the redisplay code in dumpglyphs
- to draw text character by character.
-
- I don't like this hack, but it seems better to force the max
- width to match the average width if the font is marked as
- fixed pitch, for the sake of redisplay performance. */
-
- if ((font->tm.tmPitchAndFamily & TMPF_FIXED_PITCH) == 0)
- font->tm.tmMaxCharWidth = font->tm.tmAveCharWidth;
+ /* 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)
+ ? FIXED_PITCH : VARIABLE_PITCH);
+ lf.lfOutPrecision = ((font->tm.tmPitchAndFamily & TMPF_VECTOR)
+ ? OUT_STROKE_PRECIS : OUT_STRING_PRECIS);
}
UNBLOCK_INPUT;
return (NULL);
}
- /* Do we need to create the table? */
- if (dpyinfo->font_table_size == 0)
- {
- dpyinfo->font_table_size = 16;
- dpyinfo->font_table
- = (struct font_info *) xmalloc (dpyinfo->font_table_size
- * sizeof (struct font_info));
- }
- /* Do we need to grow the table? */
- else if (dpyinfo->n_fonts
- >= dpyinfo->font_table_size)
+ /* 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)
{
- dpyinfo->font_table_size *= 2;
+ 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,
- (dpyinfo->font_table_size
- * sizeof (struct font_info)));
+ = (struct font_info *) xrealloc (dpyinfo->font_table, sz);
}
- fontp = dpyinfo->font_table + dpyinfo->n_fonts;
+ 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 = dpyinfo->n_fonts;
+ fontp->font_idx = i;
fontp->name = (char *) xmalloc (strlen (fontname) + 1);
bcopy (fontname, fontp->name, strlen (fontname) + 1);
the font code-points (0:0x20..0x7F, 1:0xA0..0xFF,
0:0x2020..0x7F7F, 1:0xA0A0..0xFFFF, 3:0x20A0..0x7FFF, or
2:0xA020..0xFF7F). For the moment, we don't know which charset
- uses this font. So, we set informatoin in fontp->encoding[1]
+ 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. */
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;
- dpyinfo->n_fonts++;
-
return fontp;
}
}
char * lpxstr;
int len;
{
+ char* fonttype;
char *fontname;
char height_pixels[8];
char height_dpi[8];
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.mode |= CODING_MODE_LAST_BLOCK;
strcpy (width_pixels, "*");
_snprintf (lpxstr, len - 1,
- "-*-%s-%s-%c-*-*-%s-%s-%d-%d-%c-%s-%s",
- /* foundry */
+ "-%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 */
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] != '*')
{
int bufsize;
}
else
{
- lplogfont->lfFaceName[0] = 0;
+ lplogfont->lfFaceName[0] = '\0';
}
fields--;
fields--;
- if (!NILP (Vw32_enable_italics))
+ if (!NILP (Vw32_enable_synthesized_fonts))
lplogfont->lfItalic = (fields > 0 && slant == 'i');
fields--;
fields--;
if (fields > 0 && resy[0] != '*')
{
- tem = atoi (pixels);
+ tem = atoi (resy);
if (tem > 0) dpi = tem;
}
/* This makes TrueType fonts work better. */
lplogfont->lfHeight = - abs (lplogfont->lfHeight);
-
+
return (TRUE);
}
+/* Assume parameter 1 is fully qualified, no wildcards. */
BOOL
-w32_font_match (lpszfont1, lpszfont2)
- char * lpszfont1;
- char * lpszfont2;
+w32_font_match (fontname, pattern)
+ char * fontname;
+ char * pattern;
{
- char * s1 = lpszfont1, *e1, *w1;
- char * s2 = lpszfont2, *e2, *w2;
-
- if (s1 == NULL || s2 == NULL) return (FALSE);
-
- if (*s1 == '-') s1++;
- if (*s2 == '-') s2++;
-
- while (1)
- {
- int len1, len2, len3=0;
+ char *regex = alloca (strlen (pattern) * 2);
+ char *ptr;
- e1 = strchr (s1, '-');
- e2 = strchr (s2, '-');
- w1 = strchr (s1, '*');
- w2 = strchr (s2, '*');
+ ptr = regex;
+ *ptr++ = '^';
- if (e1 == NULL)
- len1 = strlen (s1);
- else
- len1 = e1 - s1;
- if (e2 == NULL)
- len2 = strlen (s1);
+ /* Turn pattern into a regexp and do a regexp match. */
+ for (; *pattern; pattern++)
+ {
+ if (*pattern == '?')
+ *ptr++ = '.';
+ else if (*pattern == '*')
+ {
+ *ptr++ = '.';
+ *ptr++ = '*';
+ }
else
- len2 = e2 - s2;
-
- if (w1 && w1 < e1)
- len3 = w1 - s1;
- if (w2 && w2 < e2 && ( len3 == 0 || (w2 - s2) < len3))
- len3 = w2 - s2;
-
- /* Whole field is not a wildcard, and ...*/
- if (*s1 != '*' && *s2 != '*' && *s1 != '-' && *s2 != '-'
- /* Lengths are different and there are no wildcards, or ... */
- && ((len1 != len2 && len3 == 0) ||
- /* strings don't match up until first wildcard or end. */
- strnicmp (s1, s2, len3 > 0 ? len3 : len1) != 0))
- return (FALSE);
-
- if (e1 == NULL || e2 == NULL)
- return (TRUE);
-
- s1 = e1 + 1;
- s2 = e2 + 1;
+ *ptr++ = *pattern;
}
+ *ptr = '$';
+ *(ptr + 1) = '\0';
+
+ return (fast_c_string_match_ignore_case (build_string (regex),
+ fontname) >= 0);
}
/* Callback functions, and a structure holding info they need, for
lplf->elfLogFont.lfCharSet != lpef->logfont.lfCharSet)
return (1);
- /* We want all fonts cached, so don't compare sizes just yet */
- /* if (!lpef->size_ref || lptm->tmMaxCharWidth == FONT_WIDTH (lpef->size_ref)) */
{
char buf[100];
Lisp_Object width = Qnil;
- if (!NILP (*(lpef->pattern)) && FontType != RASTER_FONTTYPE)
+ /* Truetype fonts do not report their true metrics until loaded */
+ if (FontType != RASTER_FONTTYPE)
{
- /* Scalable fonts are as big as you want them to be. */
- lplf->elfLogFont.lfHeight = lpef->logfont.lfHeight;
- lplf->elfLogFont.lfWidth = lpef->logfont.lfWidth;
+ 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). */
- else if (lplf->elfLogFont.lfHeight > 0)
- lplf->elfLogFont.lfHeight = lptm->tmInternalLeading - lptm->tmHeight;
-
- /* The MaxCharWidth is not valid at this stage for scalable fonts. */
- if (FontType == RASTER_FONTTYPE)
- width = make_number (lptm->tmMaxCharWidth);
+ 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 (!w32_to_x_font (&(lplf->elfLogFont), buf, 100))
return (0);
lpef->numFonts++;
}
}
-
+
return (1);
}
Lisp_Object
w32_list_fonts (FRAME_PTR f, Lisp_Object pattern, int size, int maxnames )
{
- Lisp_Object patterns, key, tem, tpat;
+ 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;
/* 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_italics))
+ if (NILP (newlist) && !NILP (Vw32_enable_synthesized_fonts))
newlist = w32_list_synthesized_fonts (f, pattern, size, maxnames);
return newlist;
}
\f
-#if 1
-#include "x-list-font.c"
-#else
-DEFUN ("x-list-fonts", Fx_list_fonts, Sx_list_fonts, 1, 4, 0,
- "Return a list of the names of available fonts matching PATTERN.\n\
-If optional arguments FACE and FRAME are specified, return only fonts\n\
-the same size as FACE on FRAME.\n\
-\n\
-PATTERN is a string, perhaps with wildcard characters;\n\
- the * character matches any substring, and\n\
- the ? character matches any single character.\n\
- PATTERN is case-insensitive.\n\
-FACE is a face name--a symbol.\n\
-\n\
-The return value is a list of strings, suitable as arguments to\n\
-set-face-font.\n\
-\n\
-Fonts Emacs can't use (i.e. proportional fonts) may or may not be excluded\n\
-even if they match PATTERN and FACE.\n\
-\n\
-The optional fourth argument MAXIMUM sets a limit on how many\n\
-fonts to match. The first MAXIMUM fonts are reported.")
- (pattern, face, frame, maximum)
- Lisp_Object pattern, face, frame, maximum;
-{
- int num_fonts;
- char **names;
- XFontStruct *info;
- XFontStruct *size_ref;
- Lisp_Object namelist;
- Lisp_Object list;
- FRAME_PTR f;
- enumfont_t ef;
-
- CHECK_STRING (pattern, 0);
- if (!NILP (face))
- CHECK_SYMBOL (face, 1);
-
- f = check_x_frame (frame);
+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 xfld 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;
- /* Determine the width standard for comparison with the fonts we find. */
+ if (!CONSP (directory))
+ return w32_find_bdf_fonts_in_dir (directory);
- if (NILP (face))
- size_ref = 0;
- else
+ for ( ; CONSP (directory); directory = XCDR (directory))
{
- int face_id;
-
- /* 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'");
+ 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;
+}
- face_id = face_name_id_number (f, face);
+/* Find BDF files in a specified directory. (use GCPRO when calling,
+ as this calls lisp to get a directory listing). */
+Lisp_Object w32_find_bdf_fonts_in_dir( Lisp_Object directory )
+{
+ Lisp_Object filelist, list = Qnil;
+ char fontname[100];
- 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;
- }
- }
+ if (!STRINGP(directory))
+ return Qnil;
- /* See if we cached the result for this particular query. */
- list = Fassoc (pattern,
- XCDR (FRAME_W32_DISPLAY_INFO (f)->name_list_element));
+ filelist = Fdirectory_files (directory, Qt,
+ build_string (".*\\.[bB][dD][fF]"), Qt);
- /* We have info in the cache for this PATTERN. */
- if (!NILP (list))
+ for ( ; CONSP(filelist); filelist = XCDR (filelist))
{
- Lisp_Object tem, newlist;
+ 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;
+}
- /* We have info about this pattern. */
- list = XCDR (list);
+\f
+DEFUN ("xw-color-defined-p", Fxw_color_defined_p, Sxw_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.")
+ (color, frame)
+ Lisp_Object color, frame;
+{
+ XColor foo;
+ FRAME_PTR f = check_x_frame (frame);
- if (size_ref == 0)
- return list;
+ CHECK_STRING (color, 1);
- BLOCK_INPUT;
-
- /* Filter the cached info and return just the fonts that match FACE. */
- newlist = Qnil;
- for (tem = list; CONSP (tem); tem = XCDR (tem))
- {
- struct font_info *fontinf;
- XFontStruct *thisinfo = NULL;
-
- fontinf = w32_load_font (f, XSTRING (XCAR (tem))->data, 0);
- if (fontinf)
- thisinfo = (XFontStruct *)fontinf->font;
- if (thisinfo && same_size_fonts (thisinfo, size_ref))
- newlist = Fcons (XCAR (tem), newlist);
-
- w32_unload_font (FRAME_W32_DISPLAY_INFO (f), thisinfo);
- }
-
- UNBLOCK_INPUT;
-
- return newlist;
- }
-
- BLOCK_INPUT;
-
- namelist = Qnil;
- ef.pattern = &pattern;
- ef.tail &namelist;
- ef.numFonts = 0;
- x_to_w32_font (STRINGP (pattern) ? XSTRING (pattern)->data : NULL, &ef.logfont);
-
- {
- ef.hdc = GetDC (FRAME_W32_WINDOW (f));
-
- EnumFontFamilies (ef.hdc, NULL, (FONTENUMPROC) enum_font_cb1, (LPARAM)&ef);
-
- ReleaseDC (FRAME_W32_WINDOW (f), ef.hdc);
- }
-
- UNBLOCK_INPUT;
-
- if (ef.numFonts)
- {
- int i;
- Lisp_Object cur;
-
- /* Make a list of all the fonts we got back.
- Store that in the font cache for the display. */
- XCDR (FRAME_W32_DISPLAY_INFO (f)->name_list_element)
- = Fcons (Fcons (pattern, namelist),
- XCDR (FRAME_W32_DISPLAY_INFO (f)->name_list_element));
-
- /* Make a list of the fonts that have the right width. */
- list = Qnil;
- cur=namelist;
- for (i = 0; i < ef.numFonts; i++)
- {
- int keeper;
-
- if (!size_ref)
- keeper = 1;
- else
- {
- struct font_info *fontinf;
- XFontStruct *thisinfo = NULL;
-
- BLOCK_INPUT;
- fontinf = w32_load_font (f, XSTRING (Fcar (cur))->data, 0);
- if (fontinf)
- thisinfo = (XFontStruct *)fontinf->font;
-
- keeper = thisinfo && same_size_fonts (thisinfo, size_ref);
-
- w32_unload_font (FRAME_W32_DISPLAY_INFO (f), thisinfo);
-
- UNBLOCK_INPUT;
- }
- if (keeper)
- list = Fcons (build_string (XSTRING (Fcar (cur))->data), list);
-
- cur = Fcdr (cur);
- }
- list = Fnreverse (list);
- }
-
- return list;
-}
-#endif
-\f
-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 xfld 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;
-}
-
-/* Find BDF files in a specified directory. (use GCPRO when calling,
- as this calls lisp to get a directory listing). */
-Lisp_Object w32_find_bdf_fonts_in_dir( Lisp_Object directory )
-{
- Lisp_Object filelist, list = Qnil;
- char fontname[100];
-
- if (!STRINGP(directory))
- return Qnil;
-
- filelist = Fdirectory_files (directory, Qt,
- build_string (".*\\.[bB][dD][fF]"), Qt);
-
- 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;
-}
-
-\f
-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;
- FRAME_PTR f = check_x_frame (frame);
-
- CHECK_STRING (color, 1);
-
- if (defined_color (f, XSTRING (color)->data, &foo, 0))
- return Qt;
- else
- return Qnil;
-}
+ if (w32_defined_color (f, XSTRING (color)->data, &foo, 0))
+ return Qt;
+ else
+ return Qnil;
+}
DEFUN ("xw-color-values", Fxw_color_values, Sxw_color_values, 1, 2, 0,
- "Internal function called by `color-values', which see.")
+ "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.")
(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) << 8) | GetRValue (foo));
- rgb[1] = make_number ((GetGValue (foo) << 8) | GetGValue (foo));
- rgb[2] = make_number ((GetBValue (foo) << 8) | 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
{
struct w32_display_info *dpyinfo = check_x_display_info (display);
- return Qnil;
-}
-\f
-int
-x_pixel_width (f)
- register struct frame *f;
-{
- return PIXEL_WIDTH (f);
-}
+ return Qnil;
+}
+\f
+int
+x_pixel_width (f)
+ register struct frame *f;
+{
+ return PIXEL_WIDTH (f);
+}
+
+int
+x_pixel_height (f)
+ register struct frame *f;
+{
+ return PIXEL_HEIGHT (f);
+}
+
+int
+x_char_width (f)
+ register struct frame *f;
+{
+ return FONT_WIDTH (f->output_data.w32->font);
+}
+
+int
+x_char_height (f)
+ register struct frame *f;
+{
+ return f->output_data.w32->line_height;
+}
+
+int
+x_screen_planes (f)
+ register struct frame *f;
+{
+ return FRAME_W32_DISPLAY_INFO (f)->n_planes;
+}
+\f
+/* Return the display structure for the display named NAME.
+ Open a new connection if necessary. */
+
+struct w32_display_info *
+x_display_info_for_name (name)
+ Lisp_Object name;
+{
+ Lisp_Object names;
+ struct w32_display_info *dpyinfo;
+
+ CHECK_STRING (name, 0);
+
+ for (dpyinfo = &one_w32_display_info, names = w32_display_name_list;
+ dpyinfo;
+ dpyinfo = dpyinfo->next, names = XCDR (names))
+ {
+ Lisp_Object tem;
+ tem = Fstring_equal (XCAR (XCAR (names)), name);
+ if (!NILP (tem))
+ return dpyinfo;
+ }
+
+ /* Use this general default value to start with. */
+ Vx_resource_name = Vinvocation_name;
+
+ validate_x_resource_name ();
+
+ dpyinfo = w32_term_init (name, (unsigned char *)0,
+ (char *) XSTRING (Vx_resource_name)->data);
+
+ if (dpyinfo == 0)
+ error ("Cannot connect to server %s", XSTRING (name)->data);
+
+ w32_in_use = 1;
+ XSETFASTINT (Vwindow_system_version, 3);
+
+ return dpyinfo;
+}
+
+DEFUN ("x-open-connection", Fx_open_connection, Sx_open_connection,
+ 1, 3, 0, "Open a connection to a server.\n\
+DISPLAY is the name of the display to connect to.\n\
+Optional second arg XRM-STRING is a string of resources in xrdb format.\n\
+If the optional third arg MUST-SUCCEED is non-nil,\n\
+terminate Emacs if we can't open the connection.")
+ (display, xrm_string, must_succeed)
+ Lisp_Object display, xrm_string, must_succeed;
+{
+ unsigned char *xrm_option;
+ struct w32_display_info *dpyinfo;
+
+ CHECK_STRING (display, 0);
+ 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. */
+ {
+ Lisp_Object color_file;
+ struct gcpro gcpro1;
+
+ color_file = build_string("~/rgb.txt");
+
+ GCPRO1 (color_file);
+
+ if (NILP (Ffile_readable_p (color_file)))
+ color_file =
+ Fexpand_file_name (build_string ("rgb.txt"),
+ Fsymbol_value (intern ("data-directory")));
+
+ Vw32_color_map = Fw32_load_color_file (color_file);
+
+ UNGCPRO;
+ }
+ if (NILP (Vw32_color_map))
+ Vw32_color_map = Fw32_default_color_map ();
+
+ if (! NILP (xrm_string))
+ xrm_option = (unsigned char *) XSTRING (xrm_string)->data;
+ else
+ xrm_option = (unsigned char *) 0;
+
+ /* Use this general default value to start with. */
+ /* First remove .exe suffix from invocation-name - it looks ugly. */
+ {
+ char basename[ MAX_PATH ], *str;
+
+ strcpy (basename, XSTRING (Vinvocation_name)->data);
+ str = strrchr (basename, '.');
+ if (str) *str = 0;
+ Vinvocation_name = build_string (basename);
+ }
+ Vx_resource_name = Vinvocation_name;
+
+ validate_x_resource_name ();
+
+ /* This is what opens the connection and sets x_current_display.
+ This also initializes many symbols, such as those used for input. */
+ dpyinfo = w32_term_init (display, xrm_option,
+ (char *) XSTRING (Vx_resource_name)->data);
+
+ if (dpyinfo == 0)
+ {
+ if (!NILP (must_succeed))
+ fatal ("Cannot connect to server %s.\n",
+ XSTRING (display)->data);
+ else
+ error ("Cannot connect to server %s", XSTRING (display)->data);
+ }
+
+ w32_in_use = 1;
+
+ XSETFASTINT (Vwindow_system_version, 3);
+ return Qnil;
+}
+
+DEFUN ("x-close-connection", Fx_close_connection,
+ Sx_close_connection, 1, 1, 0,
+ "Close the connection to DISPLAY's server.\n\
+For DISPLAY, specify either a frame or a display name (a string).\n\
+If DISPLAY is nil, that stands for the selected frame's display.")
+ (display)
+ Lisp_Object display;
+{
+ struct w32_display_info *dpyinfo = check_x_display_info (display);
+ int i;
+
+ if (dpyinfo->reference_count > 0)
+ error ("Display still has frames on it");
+
+ BLOCK_INPUT;
+ /* Free the fonts in the font table. */
+ for (i = 0; i < dpyinfo->n_fonts; i++)
+ if (dpyinfo->font_table[i].name)
+ {
+ xfree (dpyinfo->font_table[i].name);
+ /* Don't free the full_name string;
+ it is always shared with something else. */
+ w32_unload_font (dpyinfo, dpyinfo->font_table[i].font);
+ }
+ x_destroy_all_bitmaps (dpyinfo);
+
+ x_delete_display (dpyinfo);
+ UNBLOCK_INPUT;
+
+ return Qnil;
+}
+
+DEFUN ("x-display-list", Fx_display_list, Sx_display_list, 0, 0, 0,
+ "Return the list of display names that Emacs has connections to.")
+ ()
+{
+ Lisp_Object tail, result;
+
+ result = Qnil;
+ for (tail = w32_display_name_list; ! NILP (tail); tail = XCDR (tail))
+ result = Fcons (XCAR (XCAR (tail)), result);
+
+ return result;
+}
+
+DEFUN ("x-synchronize", Fx_synchronize, Sx_synchronize, 1, 2, 0,
+ "If ON is non-nil, report errors as soon as the erring request is made.\n\
+If ON is nil, allow buffering of requests.\n\
+This is a noop on W32 systems.\n\
+The optional second argument DISPLAY specifies which display to act on.\n\
+DISPLAY should be either a frame or a display name (a string).\n\
+If DISPLAY is omitted or nil, that stands for the selected frame's display.")
+ (on, display)
+ Lisp_Object display, on;
+{
+ struct w32_display_info *dpyinfo = check_x_display_info (display);
+
+ return Qnil;
+}
+
+\f
+\f
+/***********************************************************************
+ Image types
+ ***********************************************************************/
+
+/* 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;
+
+/* A list of symbols, one for each supported image type. */
+
+Lisp_Object Vimage_types;
+
+/* The symbol `image' which is the car of the lists used to represent
+ images in Lisp. */
+
+extern Lisp_Object Qimage;
+
+/* The symbol `xbm' which is used as the type symbol for XBM images. */
+
+Lisp_Object Qxbm;
+
+/* Keywords. */
+
+Lisp_Object QCtype, QCdata, QCascent, QCmargin, QCrelief;
+extern Lisp_Object QCwidth, QCheight, QCforeground, QCbackground, QCfile;
+Lisp_Object QCalgorithm, QCcolor_symbols, QCheuristic_mask;
+extern Lisp_Object QCindex;
+
+/* Other symbols. */
+
+Lisp_Object Qlaplace;
+
+/* Time in seconds after which images should be removed from the cache
+ if not displayed. */
+
+Lisp_Object Vimage_cache_eviction_delay;
+
+/* Function prototypes. */
+
+static void define_image_type P_ ((struct image_type *type));
+static struct image_type *lookup_image_type P_ ((Lisp_Object symbol));
+static void image_error P_ ((char *format, Lisp_Object, Lisp_Object));
+static void x_laplace P_ ((struct frame *, struct image *));
+static int x_build_heuristic_mask P_ ((struct frame *, struct image *,
+ Lisp_Object));
+
+/* Define a new image type from TYPE. This adds a copy of TYPE to
+ image_types and adds the symbol *TYPE->type to Vimage_types. */
+
+static void
+define_image_type (type)
+ struct image_type *type;
+{
+ /* Make a copy of TYPE to avoid a bus error in a dumped Emacs.
+ The initialized data segment is read-only. */
+ struct image_type *p = (struct image_type *) xmalloc (sizeof *p);
+ bcopy (type, p, sizeof *p);
+ p->next = image_types;
+ image_types = p;
+ Vimage_types = Fcons (*p->type, Vimage_types);
+}
+
+
+/* Look up image type SYMBOL, and return a pointer to its image_type
+ structure. Value is null if SYMBOL is not a known image type. */
+
+static INLINE struct image_type *
+lookup_image_type (symbol)
+ Lisp_Object symbol;
+{
+ struct image_type *type;
+
+ for (type = image_types; type; type = type->next)
+ if (EQ (symbol, *type->type))
+ break;
+
+ return type;
+}
+
+
+/* Value is non-zero if OBJECT is a valid Lisp image specification. A
+ valid image specification is a list whose car is the symbol
+ `image', and whose rest is a property list. The property list must
+ contain a value for key `:type'. That value must be the name of a
+ supported image type. The rest of the property list depends on the
+ image type. */
+
+int
+valid_image_p (object)
+ Lisp_Object object;
+{
+ int valid_p = 0;
+
+ if (CONSP (object) && EQ (XCAR (object), Qimage))
+ {
+ Lisp_Object symbol = Fplist_get (XCDR (object), QCtype);
+ struct image_type *type = lookup_image_type (symbol);
+
+ if (type)
+ valid_p = type->valid_p (object);
+ }
+
+ return valid_p;
+}
+
+
+/* Log error message with format string FORMAT and argument ARG.
+ Signaling an error, e.g. when an image cannot be loaded, is not a
+ good idea because this would interrupt redisplay, and the error
+ message display would lead to another redisplay. This function
+ therefore simply displays a message. */
+
+static void
+image_error (format, arg1, arg2)
+ char *format;
+ Lisp_Object arg1, arg2;
+{
+ add_to_log (format, arg1, arg2);
+}
+
+
+\f
+/***********************************************************************
+ Image specifications
+ ***********************************************************************/
+
+enum image_value_type
+{
+ IMAGE_DONT_CHECK_VALUE_TYPE,
+ IMAGE_STRING_VALUE,
+ IMAGE_SYMBOL_VALUE,
+ IMAGE_POSITIVE_INTEGER_VALUE,
+ IMAGE_NON_NEGATIVE_INTEGER_VALUE,
+ IMAGE_INTEGER_VALUE,
+ IMAGE_FUNCTION_VALUE,
+ IMAGE_NUMBER_VALUE,
+ IMAGE_BOOL_VALUE
+};
+
+/* Structure used when parsing image specifications. */
+
+struct image_keyword
+{
+ /* Name of keyword. */
+ char *name;
+
+ /* The type of value allowed. */
+ enum image_value_type type;
+
+ /* Non-zero means key must be present. */
+ int mandatory_p;
+
+ /* Used to recognize duplicate keywords in a property list. */
+ int count;
+
+ /* The value that was found. */
+ Lisp_Object value;
+};
+
+
+static int parse_image_spec P_ ((Lisp_Object, struct image_keyword *,
+ int, Lisp_Object));
+static Lisp_Object image_spec_value P_ ((Lisp_Object, Lisp_Object, int *));
+
+
+/* Parse image spec SPEC according to KEYWORDS. A valid image spec
+ has the format (image KEYWORD VALUE ...). One of the keyword/
+ value pairs must be `:type TYPE'. KEYWORDS is a vector of
+ image_keywords structures of size NKEYWORDS describing other
+ allowed keyword/value pairs. Value is non-zero if SPEC is valid. */
+
+static int
+parse_image_spec (spec, keywords, nkeywords, type)
+ Lisp_Object spec;
+ struct image_keyword *keywords;
+ int nkeywords;
+ Lisp_Object type;
+{
+ int i;
+ Lisp_Object plist;
+
+ if (!CONSP (spec) || !EQ (XCAR (spec), Qimage))
+ return 0;
+
+ plist = XCDR (spec);
+ while (CONSP (plist))
+ {
+ Lisp_Object key, value;
+
+ /* First element of a pair must be a symbol. */
+ key = XCAR (plist);
+ plist = XCDR (plist);
+ if (!SYMBOLP (key))
+ return 0;
+
+ /* There must follow a value. */
+ if (!CONSP (plist))
+ return 0;
+ value = XCAR (plist);
+ plist = XCDR (plist);
+
+ /* Find key in KEYWORDS. Error if not found. */
+ for (i = 0; i < nkeywords; ++i)
+ if (strcmp (keywords[i].name, XSYMBOL (key)->name->data) == 0)
+ break;
+
+ if (i == nkeywords)
+ continue;
+
+ /* Record that we recognized the keyword. If a keywords
+ was found more than once, it's an error. */
+ keywords[i].value = value;
+ ++keywords[i].count;
+
+ if (keywords[i].count > 1)
+ return 0;
+
+ /* Check type of value against allowed type. */
+ switch (keywords[i].type)
+ {
+ case IMAGE_STRING_VALUE:
+ if (!STRINGP (value))
+ return 0;
+ break;
+
+ case IMAGE_SYMBOL_VALUE:
+ if (!SYMBOLP (value))
+ return 0;
+ break;
+
+ case IMAGE_POSITIVE_INTEGER_VALUE:
+ if (!INTEGERP (value) || XINT (value) <= 0)
+ return 0;
+ break;
+
+ case IMAGE_NON_NEGATIVE_INTEGER_VALUE:
+ if (!INTEGERP (value) || XINT (value) < 0)
+ return 0;
+ break;
+
+ case IMAGE_DONT_CHECK_VALUE_TYPE:
+ break;
+
+ case IMAGE_FUNCTION_VALUE:
+ value = indirect_function (value);
+ if (SUBRP (value)
+ || COMPILEDP (value)
+ || (CONSP (value) && EQ (XCAR (value), Qlambda)))
+ break;
+ return 0;
+
+ case IMAGE_NUMBER_VALUE:
+ if (!INTEGERP (value) && !FLOATP (value))
+ return 0;
+ break;
+
+ case IMAGE_INTEGER_VALUE:
+ if (!INTEGERP (value))
+ return 0;
+ break;
+
+ case IMAGE_BOOL_VALUE:
+ if (!NILP (value) && !EQ (value, Qt))
+ return 0;
+ break;
+
+ default:
+ abort ();
+ break;
+ }
+
+ if (EQ (key, QCtype) && !EQ (type, value))
+ return 0;
+ }
+
+ /* Check that all mandatory fields are present. */
+ for (i = 0; i < nkeywords; ++i)
+ if (keywords[i].mandatory_p && keywords[i].count == 0)
+ return 0;
+
+ return NILP (plist);
+}
+
+
+/* Return the value of KEY in image specification SPEC. Value is nil
+ if KEY is not present in SPEC. if FOUND is not null, set *FOUND
+ to 1 if KEY was found in SPEC, set it to 0 otherwise. */
+
+static Lisp_Object
+image_spec_value (spec, key, found)
+ Lisp_Object spec, key;
+ int *found;
+{
+ Lisp_Object tail;
+
+ xassert (valid_image_p (spec));
+
+ for (tail = XCDR (spec);
+ CONSP (tail) && CONSP (XCDR (tail));
+ tail = XCDR (XCDR (tail)))
+ {
+ if (EQ (XCAR (tail), key))
+ {
+ if (found)
+ *found = 1;
+ return XCAR (XCDR (tail));
+ }
+ }
+
+ if (found)
+ *found = 0;
+ return Qnil;
+}
+
+
+
+\f
+/***********************************************************************
+ Image type independent image structures
+ ***********************************************************************/
+
+static struct image *make_image P_ ((Lisp_Object spec, unsigned hash));
+static void free_image P_ ((struct frame *f, struct image *img));
+
+
+/* Allocate and return a new image structure for image specification
+ SPEC. SPEC has a hash value of HASH. */
+
+static struct image *
+make_image (spec, hash)
+ Lisp_Object spec;
+ unsigned hash;
+{
+ struct image *img = (struct image *) xmalloc (sizeof *img);
+
+ xassert (valid_image_p (spec));
+ bzero (img, sizeof *img);
+ img->type = lookup_image_type (image_spec_value (spec, QCtype, NULL));
+ xassert (img->type != NULL);
+ img->spec = spec;
+ img->data.lisp_val = Qnil;
+ img->ascent = DEFAULT_IMAGE_ASCENT;
+ img->hash = hash;
+ return img;
+}
+
+
+/* Free image IMG which was used on frame F, including its resources. */
+
+static void
+free_image (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ if (img)
+ {
+ struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
+
+ /* Remove IMG from the hash table of its cache. */
+ if (img->prev)
+ img->prev->next = img->next;
+ else
+ c->buckets[img->hash % IMAGE_CACHE_BUCKETS_SIZE] = img->next;
+
+ if (img->next)
+ img->next->prev = img->prev;
+
+ c->images[img->id] = NULL;
+
+ /* Free resources, then free IMG. */
+ img->type->free (f, img);
+ xfree (img);
+ }
+}
+
+
+/* Prepare image IMG for display on frame F. Must be called before
+ drawing an image. */
+
+void
+prepare_image_for_display (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ EMACS_TIME t;
+
+ /* We're about to display IMG, so set its timestamp to `now'. */
+ EMACS_GET_TIME (t);
+ img->timestamp = EMACS_SECS (t);
+
+ /* If IMG doesn't have a pixmap yet, load it now, using the image
+ type dependent loader function. */
+ if (img->pixmap == 0 && !img->load_failed_p)
+ img->load_failed_p = img->type->load (f, img) == 0;
+}
+
+
+\f
+/***********************************************************************
+ Helper functions for X image types
+ ***********************************************************************/
+
+static void x_clear_image P_ ((struct frame *f, struct image *img));
+static unsigned long x_alloc_image_color P_ ((struct frame *f,
+ struct image *img,
+ Lisp_Object color_name,
+ unsigned long dflt));
+
+/* Free X resources of image IMG which is used on frame F. */
+
+static void
+x_clear_image (f, img)
+ struct frame *f;
+ struct image *img;
+{
+#if 0 /* NTEMACS_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 /* NTEMACS_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-cache-eveiction-delay
+ 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)
+ {
+ img = make_image (spec, hash);
+ cache_image (f, img);
+ img->load_failed_p = img->type->load (f, img) == 0;
+ xassert (!interrupt_input_blocked);
+
+ /* If we can't load the image, and we don't have a width and
+ height, use some arbitrary width and height so that we can
+ draw a rectangle for it. */
+ if (img->load_failed_p)
+ {
+ Lisp_Object value;
+
+ value = image_spec_value (spec, QCwidth, NULL);
+ img->width = (INTEGERP (value)
+ ? XFASTINT (value) : DEFAULT_IMAGE_WIDTH);
+ value = image_spec_value (spec, QCheight, NULL);
+ img->height = (INTEGERP (value)
+ ? XFASTINT (value) : DEFAULT_IMAGE_HEIGHT);
+ }
+ else
+ {
+ /* Handle image type independent image attributes
+ `:ascent PERCENT', `:margin MARGIN', `:relief RELIEF'. */
+ Lisp_Object ascent, margin, relief, algorithm, heuristic_mask;
+ Lisp_Object file;
+
+ ascent = image_spec_value (spec, QCascent, NULL);
+ if (INTEGERP (ascent))
+ img->ascent = XFASTINT (ascent);
+
+ margin = image_spec_value (spec, QCmargin, NULL);
+ if (INTEGERP (margin) && XINT (margin) >= 0)
+ img->margin = XFASTINT (margin);
+
+ relief = image_spec_value (spec, QCrelief, NULL);
+ if (INTEGERP (relief))
+ {
+ img->relief = XINT (relief);
+ img->margin += abs (img->relief);
+ }
+
+ /* Should we apply a Laplace edge-detection algorithm? */
+ algorithm = image_spec_value (spec, QCalgorithm, NULL);
+ if (img->pixmap && EQ (algorithm, Qlaplace))
+ x_laplace (f, img);
+
+ /* Should we built a mask heuristically? */
+ heuristic_mask = image_spec_value (spec, QCheuristic_mask, NULL);
+ if (img->pixmap && !img->mask && !NILP (heuristic_mask))
+ x_build_heuristic_mask (f, img, heuristic_mask);
+ }
+ }
+
+ /* We're using IMG, so set its timestamp to `now'. */
+ EMACS_GET_TIME (now);
+ img->timestamp = EMACS_SECS (now);
+
+ UNGCPRO;
+
+ /* Value is the image id. */
+ return img->id;
+}
+
+
+/* Cache image IMG in the image cache of frame F. */
+
+static void
+cache_image (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ struct image_cache *c = FRAME_X_IMAGE_CACHE (f);
+ int i;
+
+ /* Find a free slot in c->images. */
+ for (i = 0; i < c->used; ++i)
+ if (c->images[i] == NULL)
+ break;
+
+ /* If no free slot found, maybe enlarge c->images. */
+ if (i == c->used && c->used == c->size)
+ {
+ c->size *= 2;
+ c->images = (struct image **) xrealloc (c->images,
+ c->size * sizeof *c->images);
+ }
+
+ /* Add IMG to c->images, and assign IMG an id. */
+ c->images[i] = img;
+ img->id = i;
+ if (i == c->used)
+ ++c->used;
+
+ /* Add IMG to the cache's hash table. */
+ i = img->hash % IMAGE_CACHE_BUCKETS_SIZE;
+ img->next = c->buckets[i];
+ if (img->next)
+ img->next->prev = img;
+ img->prev = NULL;
+ c->buckets[i] = img;
+}
+
+
+/* Call FN on every image in the image cache of frame F. Used to mark
+ Lisp Objects in the image cache. */
+
+void
+forall_images_in_image_cache (f, fn)
+ struct frame *f;
+ void (*fn) P_ ((struct image *img));
+{
+ if (FRAME_LIVE_P (f) && FRAME_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 /* NTEMACS_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 /* NTEMACS_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 < 0)
+ file_found = Qnil;
+ else
+ close (fd);
+
+ UNGCPRO;
+ return file_found;
+}
+
+
+\f
+/***********************************************************************
+ XBM images
+ ***********************************************************************/
+
+static int xbm_load P_ ((struct frame *f, struct image *img));
+static int xbm_load_image_from_file P_ ((struct frame *f, struct image *img,
+ Lisp_Object file));
+static int xbm_image_p P_ ((Lisp_Object object));
+static int xbm_read_bitmap_file_data P_ ((char *, int *, int *,
+ unsigned char **));
+
+
+/* Indices of image specification fields in xbm_format, below. */
+
+enum xbm_keyword_index
+{
+ XBM_TYPE,
+ XBM_FILE,
+ XBM_WIDTH,
+ XBM_HEIGHT,
+ XBM_DATA,
+ XBM_FOREGROUND,
+ XBM_BACKGROUND,
+ XBM_ASCENT,
+ XBM_MARGIN,
+ XBM_RELIEF,
+ XBM_ALGORITHM,
+ XBM_HEURISTIC_MASK,
+ XBM_LAST
+};
+
+/* Vector of image_keyword structures describing the format
+ of valid XBM image specifications. */
+
+static struct image_keyword xbm_format[XBM_LAST] =
+{
+ {":type", IMAGE_SYMBOL_VALUE, 1},
+ {":file", IMAGE_STRING_VALUE, 0},
+ {":width", IMAGE_POSITIVE_INTEGER_VALUE, 0},
+ {":height", IMAGE_POSITIVE_INTEGER_VALUE, 0},
+ {":data", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":foreground", IMAGE_STRING_VALUE, 0},
+ {":background", IMAGE_STRING_VALUE, 0},
+ {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
+ {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
+};
+
+/* Structure describing the image type XBM. */
+
+static struct image_type xbm_type =
+{
+ &Qxbm,
+ xbm_image_p,
+ xbm_load,
+ x_clear_image,
+ NULL
+};
+
+/* Tokens returned from xbm_scan. */
+
+enum xbm_token
+{
+ XBM_TK_IDENT = 256,
+ XBM_TK_NUMBER
+};
+
+
+/* Return non-zero if OBJECT is a valid XBM-type image specification.
+ A valid specification is a list starting with the symbol `image'
+ The rest of the list is a property list which must contain an
+ entry `:type xbm..
+
+ If the specification specifies a file to load, it must contain
+ an entry `:file FILENAME' where FILENAME is a string.
+
+ If the specification is for a bitmap loaded from memory it must
+ contain `:width WIDTH', `:height HEIGHT', and `:data DATA', where
+ WIDTH and HEIGHT are integers > 0. DATA may be:
+
+ 1. a string large enough to hold the bitmap data, i.e. it must
+ have a size >= (WIDTH + 7) / 8 * HEIGHT
+
+ 2. a bool-vector of size >= WIDTH * HEIGHT
+
+ 3. a vector of strings or bool-vectors, one for each line of the
+ bitmap.
+
+ Both the file and data forms may contain the additional entries
+ `:background COLOR' and `:foreground COLOR'. If not present,
+ foreground and background of the frame on which the image is
+ displayed, is used. */
+
+static int
+xbm_image_p (object)
+ Lisp_Object object;
+{
+ struct image_keyword kw[XBM_LAST];
+
+ bcopy (xbm_format, kw, sizeof kw);
+ if (!parse_image_spec (object, kw, XBM_LAST, Qxbm))
+ return 0;
+
+ xassert (EQ (kw[XBM_TYPE].value, Qxbm));
+
+ if (kw[XBM_FILE].count)
+ {
+ if (kw[XBM_WIDTH].count || kw[XBM_HEIGHT].count || kw[XBM_DATA].count)
+ return 0;
+ }
+ else
+ {
+ Lisp_Object data;
+ int width, height;
+
+ /* Entries for `:width', `:height' and `:data' must be present. */
+ if (!kw[XBM_WIDTH].count
+ || !kw[XBM_HEIGHT].count
+ || !kw[XBM_DATA].count)
+ return 0;
+
+ data = kw[XBM_DATA].value;
+ width = XFASTINT (kw[XBM_WIDTH].value);
+ height = XFASTINT (kw[XBM_HEIGHT].value);
+
+ /* Check type of data, and width and height against contents of
+ data. */
+ if (VECTORP (data))
+ {
+ int i;
+
+ /* Number of elements of the vector must be >= height. */
+ if (XVECTOR (data)->size < height)
+ return 0;
+
+ /* Each string or bool-vector in data must be large enough
+ for one line of the image. */
+ for (i = 0; i < height; ++i)
+ {
+ Lisp_Object elt = XVECTOR (data)->contents[i];
+
+ if (STRINGP (elt))
+ {
+ if (XSTRING (elt)->size
+ < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR)
+ return 0;
+ }
+ else if (BOOL_VECTOR_P (elt))
+ {
+ if (XBOOL_VECTOR (elt)->size < width)
+ return 0;
+ }
+ else
+ return 0;
+ }
+ }
+ else if (STRINGP (data))
+ {
+ if (XSTRING (data)->size
+ < (width + BITS_PER_CHAR - 1) / BITS_PER_CHAR * height)
+ return 0;
+ }
+ else if (BOOL_VECTOR_P (data))
+ {
+ if (XBOOL_VECTOR (data)->size < width * height)
+ return 0;
+ }
+ else
+ return 0;
+ }
+
+ /* Baseline must be a value between 0 and 100 (a percentage). */
+ if (kw[XBM_ASCENT].count
+ && XFASTINT (kw[XBM_ASCENT].value) > 100)
+ return 0;
+
+ return 1;
+}
+
+
+/* Scan a bitmap file. FP is the stream to read from. Value is
+ either an enumerator from enum xbm_token, or a character for a
+ single-character token, or 0 at end of file. If scanning an
+ identifier, store the lexeme of the identifier in SVAL. If
+ scanning a number, store its value in *IVAL. */
+
+static int
+xbm_scan (fp, sval, ival)
+ FILE *fp;
+ char *sval;
+ int *ival;
+{
+ int c;
+
+ /* Skip white space. */
+ while ((c = fgetc (fp)) != EOF && isspace (c))
+ ;
+
+ if (c == EOF)
+ c = 0;
+ else if (isdigit (c))
+ {
+ int value = 0, digit;
+
+ if (c == '0')
+ {
+ c = fgetc (fp);
+ if (c == 'x' || c == 'X')
+ {
+ while ((c = fgetc (fp)) != EOF)
+ {
+ if (isdigit (c))
+ digit = c - '0';
+ else if (c >= 'a' && c <= 'f')
+ digit = c - 'a' + 10;
+ else if (c >= 'A' && c <= 'F')
+ digit = c - 'A' + 10;
+ else
+ break;
+ value = 16 * value + digit;
+ }
+ }
+ else if (isdigit (c))
+ {
+ value = c - '0';
+ while ((c = fgetc (fp)) != EOF
+ && isdigit (c))
+ value = 8 * value + c - '0';
+ }
+ }
+ else
+ {
+ value = c - '0';
+ while ((c = fgetc (fp)) != EOF
+ && isdigit (c))
+ value = 10 * value + c - '0';
+ }
+
+ if (c != EOF)
+ ungetc (c, fp);
+ *ival = value;
+ c = XBM_TK_NUMBER;
+ }
+ else if (isalpha (c) || c == '_')
+ {
+ *sval++ = c;
+ while ((c = fgetc (fp)) != EOF
+ && (isalnum (c) || c == '_'))
+ *sval++ = c;
+ *sval = 0;
+ if (c != EOF)
+ ungetc (c, fp);
+ c = XBM_TK_IDENT;
+ }
+
+ return c;
+}
+
+
+/* Replacement for XReadBitmapFileData which isn't available under old
+ X versions. FILE is the name of the bitmap file to read. Set
+ *WIDTH and *HEIGHT to the width and height of the image. Return in
+ *DATA the bitmap data allocated with xmalloc. Value is non-zero if
+ successful. */
+
+static int
+xbm_read_bitmap_file_data (file, width, height, data)
+ char *file;
+ int *width, *height;
+ unsigned char **data;
+{
+ FILE *fp;
+ char buffer[BUFSIZ];
+ int padding_p = 0;
+ int v10 = 0;
+ int bytes_per_line, i, nbytes;
+ unsigned char *p;
+ int value;
+ int LA1;
+
+#define match() \
+ LA1 = xbm_scan (fp, buffer, &value)
+
+#define expect(TOKEN) \
+ if (LA1 != (TOKEN)) \
+ goto failure; \
+ else \
+ match ()
+
+#define expect_ident(IDENT) \
+ if (LA1 == XBM_TK_IDENT && strcmp (buffer, (IDENT)) == 0) \
+ match (); \
+ else \
+ goto failure
+
+ fp = fopen (file, "r");
+ if (fp == NULL)
+ return 0;
+
+ *width = *height = -1;
+ *data = NULL;
+ LA1 = xbm_scan (fp, buffer, &value);
+
+ /* Parse defines for width, height and hot-spots. */
+ while (LA1 == '#')
+ {
+ match ();
+ expect_ident ("define");
+ expect (XBM_TK_IDENT);
+
+ if (LA1 == XBM_TK_NUMBER);
+ {
+ char *p = strrchr (buffer, '_');
+ p = p ? p + 1 : buffer;
+ if (strcmp (p, "width") == 0)
+ *width = value;
+ else if (strcmp (p, "height") == 0)
+ *height = value;
+ }
+ expect (XBM_TK_NUMBER);
+ }
+
+ if (*width < 0 || *height < 0)
+ goto failure;
+
+ /* Parse bits. Must start with `static'. */
+ expect_ident ("static");
+ if (LA1 == XBM_TK_IDENT)
+ {
+ if (strcmp (buffer, "unsigned") == 0)
+ {
+ match ();
+ expect_ident ("char");
+ }
+ else if (strcmp (buffer, "short") == 0)
+ {
+ match ();
+ v10 = 1;
+ if (*width % 16 && *width % 16 < 9)
+ padding_p = 1;
+ }
+ else if (strcmp (buffer, "char") == 0)
+ match ();
+ else
+ goto failure;
+ }
+ else
+ goto failure;
+
+ expect (XBM_TK_IDENT);
+ expect ('[');
+ expect (']');
+ expect ('=');
+ expect ('{');
+
+ bytes_per_line = (*width + 7) / 8 + padding_p;
+ nbytes = bytes_per_line * *height;
+ p = *data = (char *) xmalloc (nbytes);
+
+ if (v10)
+ {
+
+ for (i = 0; i < nbytes; i += 2)
+ {
+ int val = value;
+ expect (XBM_TK_NUMBER);
+
+ *p++ = val;
+ if (!padding_p || ((i + 2) % bytes_per_line))
+ *p++ = value >> 8;
+
+ if (LA1 == ',' || LA1 == '}')
+ match ();
+ else
+ goto failure;
+ }
+ }
+ else
+ {
+ for (i = 0; i < nbytes; ++i)
+ {
+ int val = value;
+ expect (XBM_TK_NUMBER);
+
+ *p++ = val;
+
+ if (LA1 == ',' || LA1 == '}')
+ match ();
+ else
+ goto failure;
+ }
+ }
+
+ fclose (fp);
+ return 1;
+
+ failure:
+
+ fclose (fp);
+ if (*data)
+ {
+ xfree (*data);
+ *data = NULL;
+ }
+ return 0;
+
+#undef match
+#undef expect
+#undef expect_ident
+}
+
+
+/* Load XBM image IMG which will be displayed on frame F from file
+ SPECIFIED_FILE. Value is non-zero if successful. */
+
+static int
+xbm_load_image_from_file (f, img, specified_file)
+ struct frame *f;
+ struct image *img;
+ Lisp_Object specified_file;
+{
+ int rc;
+ unsigned char *data;
+ int success_p = 0;
+ Lisp_Object file;
+ struct gcpro gcpro1;
+
+ xassert (STRINGP (specified_file));
+ file = Qnil;
+ GCPRO1 (file);
+
+ file = x_find_image_file (specified_file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file `%s'", specified_file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ rc = xbm_read_bitmap_file_data (XSTRING (file)->data, &img->width,
+ &img->height, &data);
+ if (rc)
+ {
+ int depth = 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 /* NTEMACS_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 /* NTEMACS_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 /* NTEMACS_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, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":color-symbols", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
+};
+
+/* Structure describing the image type XBM. */
+
+static struct image_type xpm_type =
+{
+ &Qxpm,
+ xpm_image_p,
+ xpm_load,
+ x_clear_image,
+ NULL
+};
+
+
+/* Value is non-zero if COLOR_SYMBOLS is a valid color symbols list
+ for XPM images. Such a list must consist of conses whose car and
+ cdr are strings. */
+
+static int
+xpm_valid_color_symbols_p (color_symbols)
+ Lisp_Object color_symbols;
+{
+ while (CONSP (color_symbols))
+ {
+ Lisp_Object sym = XCAR (color_symbols);
+ if (!CONSP (sym)
+ || !STRINGP (XCAR (sym))
+ || !STRINGP (XCDR (sym)))
+ break;
+ color_symbols = XCDR (color_symbols);
+ }
+
+ return NILP (color_symbols);
+}
+
+
+/* Value is non-zero if OBJECT is a valid XPM image specification. */
+
+static int
+xpm_image_p (object)
+ Lisp_Object object;
+{
+ struct image_keyword fmt[XPM_LAST];
+ bcopy (xpm_format, fmt, sizeof fmt);
+ return (parse_image_spec (object, fmt, XPM_LAST, Qxpm)
+ /* Either `:file' or `:data' must be present. */
+ && fmt[XPM_FILE].count + fmt[XPM_DATA].count == 1
+ /* Either no `:color-symbols' or it's a list of conses
+ whose car and cdr are strings. */
+ && (fmt[XPM_COLOR_SYMBOLS].count == 0
+ || xpm_valid_color_symbols_p (fmt[XPM_COLOR_SYMBOLS].value))
+ && (fmt[XPM_ASCENT].count == 0
+ || XFASTINT (fmt[XPM_ASCENT].value) < 100));
+}
+
+
+/* Load image IMG which will be displayed on frame F. Value is
+ non-zero if successful. */
+
+static int
+xpm_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ int rc, i;
+ XpmAttributes attrs;
+ Lisp_Object specified_file, color_symbols;
+
+ /* Configure the XPM lib. Use the visual of frame F. Allocate
+ close colors. Return colors allocated. */
+ bzero (&attrs, sizeof attrs);
+ attrs.visual = FRAME_W32_DISPLAY_INFO (f)->visual;
+ attrs.valuemask |= XpmVisual;
+ attrs.valuemask |= XpmReturnAllocPixels;
+ attrs.alloc_close_colors = 1;
+ attrs.valuemask |= XpmAllocCloseColors;
+
+ /* 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 /* NTEMACS_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 /* NTEMACS_TODO */
+
+\f
+/***********************************************************************
+ Algorithms
+ ***********************************************************************/
+
+#if 0 /* NTEMACS_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 /* NTEMACS_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 /* NTEMACS_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 /* NTEMACS_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 /* NTEMACS_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, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
+};
+
+/* Structure describing the image type `pbm'. */
+
+static struct image_type pbm_type =
+{
+ &Qpbm,
+ pbm_image_p,
+ pbm_load,
+ x_clear_image,
+ NULL
+};
+
+
+/* Return non-zero if OBJECT is a valid PBM image specification. */
+
+static int
+pbm_image_p (object)
+ Lisp_Object object;
+{
+ struct image_keyword fmt[PBM_LAST];
+
+ bcopy (pbm_format, fmt, sizeof fmt);
+
+ if (!parse_image_spec (object, fmt, PBM_LAST, Qpbm)
+ || (fmt[PBM_ASCENT].count
+ && XFASTINT (fmt[PBM_ASCENT].value) > 100))
+ return 0;
+
+ /* Must specify either :data or :file. */
+ return fmt[PBM_DATA].count + fmt[PBM_FILE].count == 1;
+}
+
+
+/* Scan a decimal number from *S and return it. Advance *S while
+ reading the number. END is the end of the string. Value is -1 at
+ end of input. */
+
+static int
+pbm_scan_number (s, end)
+ unsigned char **s, *end;
+{
+ int c, val = -1;
+
+ while (*s < end)
+ {
+ /* Skip white-space. */
+ while (*s < end && (c = *(*s)++, isspace (c)))
+ ;
+
+ if (c == '#')
+ {
+ /* Skip comment to end of line. */
+ while (*s < end && (c = *(*s)++, c != '\n'))
+ ;
+ }
+ else if (isdigit (c))
+ {
+ /* Read decimal number. */
+ val = c - '0';
+ while (*s < end && (c = *(*s)++, isdigit (c)))
+ val = 10 * val + c - '0';
+ break;
+ }
+ else
+ break;
+ }
+
+ return val;
+}
+
+
+/* Read FILE into memory. Value is a pointer to a buffer allocated
+ with xmalloc holding FILE's contents. Value is null if an error
+ occured. *SIZE is set to the size of the file. */
+
+static char *
+pbm_read_file (file, size)
+ Lisp_Object file;
+ int *size;
+{
+ FILE *fp = NULL;
+ char *buf = NULL;
+ struct stat st;
+
+ if (stat (XSTRING (file)->data, &st) == 0
+ && (fp = fopen (XSTRING (file)->data, "r")) != NULL
+ && (buf = (char *) xmalloc (st.st_size),
+ fread (buf, 1, st.st_size, fp) == st.st_size))
+ {
+ *size = st.st_size;
+ fclose (fp);
+ }
+ else
+ {
+ if (fp)
+ fclose (fp);
+ if (buf)
+ {
+ xfree (buf);
+ buf = NULL;
+ }
+ }
+
+ return buf;
+}
+
+
+/* Load PBM image IMG for use on frame F. */
+
+static int
+pbm_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ int raw_p, x, y;
+ int width, height, max_color_idx = 0;
+ XImage *ximg;
+ Lisp_Object file, specified_file;
+ enum {PBM_MONO, PBM_GRAY, PBM_COLOR} type;
+ struct gcpro gcpro1;
+ unsigned char *contents = NULL;
+ unsigned char *end, *p;
+ int size;
+
+ specified_file = image_spec_value (img->spec, QCfile, NULL);
+ file = Qnil;
+ GCPRO1 (file);
+
+ if (STRINGP (specified_file))
+ {
+ file = x_find_image_file (specified_file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file `%s'", specified_file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ contents = pbm_read_file (file, &size);
+ if (contents == NULL)
+ {
+ image_error ("Error reading `%s'", file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ p = contents;
+ end = contents + size;
+ }
+ else
+ {
+ Lisp_Object data;
+ data = image_spec_value (img->spec, QCdata, NULL);
+ p = XSTRING (data)->data;
+ end = p + STRING_BYTES (XSTRING (data));
+ }
+
+ /* Check magic number. */
+ if (end - p < 2 || *p++ != 'P')
+ {
+ image_error ("Not a PBM image: `%s'", img->spec, Qnil);
+ error:
+ xfree (contents);
+ UNGCPRO;
+ return 0;
+ }
+
+ if (*magic != 'P')
+ {
+ fclose (fp);
+ image_error ("Not a PBM image file: %s", file, Qnil);
+ 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)
+ {
+b 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, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
+};
+
+/* Structure describing the image type `png'. */
+
+static struct image_type png_type =
+{
+ &Qpng,
+ png_image_p,
+ png_load,
+ x_clear_image,
+ NULL
+};
+
+
+/* Return non-zero if OBJECT is a valid PNG image specification. */
+
+static int
+png_image_p (object)
+ Lisp_Object object;
+{
+ struct image_keyword fmt[PNG_LAST];
+ bcopy (png_format, fmt, sizeof fmt);
+
+ if (!parse_image_spec (object, fmt, PNG_LAST, Qpng)
+ || (fmt[PNG_ASCENT].count
+ && XFASTINT (fmt[PNG_ASCENT].value) > 100))
+ return 0;
+
+ /* Must specify either the :data or :file keyword. */
+ return fmt[PNG_FILE].count + fmt[PNG_DATA].count == 1;
+}
+
+
+/* Error and warning handlers installed when the PNG library
+ is initialized. */
+
+static void
+my_png_error (png_ptr, msg)
+ png_struct *png_ptr;
+ char *msg;
+{
+ xassert (png_ptr != NULL);
+ image_error ("PNG error: %s", build_string (msg), Qnil);
+ longjmp (png_ptr->jmpbuf, 1);
+}
+
+
+static void
+my_png_warning (png_ptr, msg)
+ png_struct *png_ptr;
+ char *msg;
+{
+ xassert (png_ptr != NULL);
+ image_error ("PNG warning: %s", build_string (msg), Qnil);
+}
+
+
+/* Memory source for PNG decoding. */
+
+struct png_memory_storage
+{
+ unsigned char *bytes; /* The data */
+ size_t len; /* How big is it? */
+ int index; /* Where are we? */
+};
+
+
+/* Function set as reader function when reading PNG image from memory.
+ PNG_PTR is a pointer to the PNG control structure. Copy LENGTH
+ bytes from the input to DATA. */
+
+static void
+png_read_from_memory (png_ptr, data, length)
+ png_structp png_ptr;
+ png_bytep data;
+ png_size_t length;
+{
+ struct png_memory_storage *tbr
+ = (struct png_memory_storage *) png_get_io_ptr (png_ptr);
+
+ if (length > tbr->len - tbr->index)
+ png_error (png_ptr, "Read error");
+
+ bcopy (tbr->bytes + tbr->index, data, length);
+ tbr->index = tbr->index + length;
+}
+
+
+/* Load PNG image IMG for use on frame F. Value is non-zero if
+ successful. */
+
+static int
+png_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ Lisp_Object file, specified_file;
+ Lisp_Object specified_data;
+ int x, y, i;
+ XImage *ximg, *mask_img = NULL;
+ struct gcpro gcpro1;
+ png_struct *png_ptr = NULL;
+ png_info *info_ptr = NULL, *end_info = NULL;
+ FILE *fp = NULL;
+ png_byte sig[8];
+ png_byte *pixels = NULL;
+ png_byte **rows = NULL;
+ png_uint_32 width, height;
+ int bit_depth, color_type, interlace_type;
+ png_byte channels;
+ png_uint_32 row_bytes;
+ int transparent_p;
+ char *gamma_str;
+ double screen_gamma, image_gamma;
+ int intent;
+ struct png_memory_storage tbr; /* Data to be read */
+
+ /* Find out what file to load. */
+ specified_file = image_spec_value (img->spec, QCfile, NULL);
+ specified_data = image_spec_value (img->spec, QCdata, NULL);
+ file = Qnil;
+ GCPRO1 (file);
+
+ if (NILP (specified_data))
+ {
+ file = x_find_image_file (specified_file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file `%s'", specified_file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Open the image file. */
+ fp = fopen (XSTRING (file)->data, "rb");
+ if (!fp)
+ {
+ image_error ("Cannot open image file `%s'", file, Qnil);
+ UNGCPRO;
+ fclose (fp);
+ return 0;
+ }
+
+ /* Check PNG signature. */
+ if (fread (sig, 1, sizeof sig, fp) != sizeof sig
+ || !png_check_sig (sig, sizeof sig))
+ {
+ image_error ("Not a PNG file:` %s'", file, Qnil);
+ UNGCPRO;
+ fclose (fp);
+ return 0;
+ }
+ }
+ else
+ {
+ /* Read from memory. */
+ tbr.bytes = XSTRING (specified_data)->data;
+ tbr.len = STRING_BYTES (XSTRING (specified_data));
+ tbr.index = 0;
+
+ /* Check PNG signature. */
+ if (tbr.len < sizeof sig
+ || !png_check_sig (tbr.bytes, sizeof sig))
+ {
+ image_error ("Not a PNG image: `%s'", img->spec, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Need to skip past the signature. */
+ tbr.bytes += sizeof (sig);
+ }
+
+
+ /* Initialize read and info structs for PNG lib. */
+ png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL,
+ my_png_error, my_png_warning);
+ if (!png_ptr)
+ {
+ if (fp) fclose (fp);
+ UNGCPRO;
+ return 0;
+ }
+
+ info_ptr = png_create_info_struct (png_ptr);
+ if (!info_ptr)
+ {
+ png_destroy_read_struct (&png_ptr, NULL, NULL);
+ if (fp) fclose (fp);
+ UNGCPRO;
+ return 0;
+ }
+
+ end_info = png_create_info_struct (png_ptr);
+ if (!end_info)
+ {
+ png_destroy_read_struct (&png_ptr, &info_ptr, NULL);
+ if (fp) fclose (fp);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Set error jump-back. We come back here when the PNG library
+ detects an error. */
+ if (setjmp (png_ptr->jmpbuf))
+ {
+ error:
+ if (png_ptr)
+ png_destroy_read_struct (&png_ptr, &info_ptr, &end_info);
+ xfree (pixels);
+ xfree (rows);
+ if (fp) fclose (fp);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Read image info. */
+ if (!NILP (specified_data))
+ png_set_read_fn (png_ptr, (void *) &tbr, png_read_from_memory);
+ else
+ png_init_io (png_ptr, fp);
+
+ png_set_sig_bytes (png_ptr, sizeof sig);
+ png_read_info (png_ptr, info_ptr);
+ png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
+ &interlace_type, NULL, NULL);
+
+ /* If image contains simply transparency data, we prefer to
+ construct a clipping mask. */
+ if (png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS))
+ transparent_p = 1;
+ else
+ transparent_p = 0;
+
+ /* This function is easier to write if we only have to handle
+ one data format: RGB or RGBA with 8 bits per channel. Let's
+ transform other formats into that format. */
+
+ /* Strip more than 8 bits per channel. */
+ if (bit_depth == 16)
+ png_set_strip_16 (png_ptr);
+
+ /* Expand data to 24 bit RGB, or 8 bit grayscale, with alpha channel
+ if available. */
+ png_set_expand (png_ptr);
+
+ /* Convert grayscale images to RGB. */
+ if (color_type == PNG_COLOR_TYPE_GRAY
+ || color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
+ png_set_gray_to_rgb (png_ptr);
+
+ /* The value 2.2 is a guess for PC monitors from PNG example.c. */
+ gamma_str = getenv ("SCREEN_GAMMA");
+ screen_gamma = gamma_str ? atof (gamma_str) : 2.2;
+
+ /* Tell the PNG lib to handle gamma correction for us. */
+
+#if defined(PNG_READ_sRGB_SUPPORTED) || defined(PNG_WRITE_sRGB_SUPPORTED)
+ if (png_get_sRGB (png_ptr, info_ptr, &intent))
+ /* There is a special chunk in the image specifying the gamma. */
+ png_set_sRGB (png_ptr, info_ptr, intent);
+ else
+#endif
+ if (png_get_gAMA (png_ptr, info_ptr, &image_gamma))
+ /* Image contains gamma information. */
+ png_set_gamma (png_ptr, screen_gamma, image_gamma);
+ else
+ /* Use a default of 0.5 for the image gamma. */
+ png_set_gamma (png_ptr, screen_gamma, 0.5);
+
+ /* Handle alpha channel by combining the image with a background
+ color. Do this only if a real alpha channel is supplied. For
+ simple transparency, we prefer a clipping mask. */
+ if (!transparent_p)
+ {
+ png_color_16 *image_background;
+
+ if (png_get_bKGD (png_ptr, info_ptr, &image_background))
+ /* Image contains a background color with which to
+ combine the image. */
+ png_set_background (png_ptr, image_background,
+ PNG_BACKGROUND_GAMMA_FILE, 1, 1.0);
+ else
+ {
+ /* Image does not contain a background color with which
+ to combine the image data via an alpha channel. Use
+ the frame's background instead. */
+ XColor color;
+ Colormap cmap;
+ png_color_16 frame_background;
+
+ BLOCK_INPUT;
+ cmap = 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, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
+};
+
+/* Structure describing the image type `jpeg'. */
+
+static struct image_type jpeg_type =
+{
+ &Qjpeg,
+ jpeg_image_p,
+ jpeg_load,
+ x_clear_image,
+ NULL
+};
+
+
+/* Return non-zero if OBJECT is a valid JPEG image specification. */
+
+static int
+jpeg_image_p (object)
+ Lisp_Object object;
+{
+ struct image_keyword fmt[JPEG_LAST];
+
+ bcopy (jpeg_format, fmt, sizeof fmt);
+
+ if (!parse_image_spec (object, fmt, JPEG_LAST, Qjpeg)
+ || (fmt[JPEG_ASCENT].count
+ && XFASTINT (fmt[JPEG_ASCENT].value) > 100))
+ return 0;
+
+ /* Must specify either the :data or :file keyword. */
+ return fmt[JPEG_FILE].count + fmt[JPEG_DATA].count == 1;
+}
+
+
+struct my_jpeg_error_mgr
+{
+ struct jpeg_error_mgr pub;
+ jmp_buf setjmp_buffer;
+};
+
+static void
+my_error_exit (cinfo)
+ j_common_ptr cinfo;
+{
+ struct my_jpeg_error_mgr *mgr = (struct my_jpeg_error_mgr *) cinfo->err;
+ longjmp (mgr->setjmp_buffer, 1);
+}
+
+
+/* Init source method for JPEG data source manager. Called by
+ jpeg_read_header() before any data is actually read. See
+ libjpeg.doc from the JPEG lib distribution. */
+
+static void
+our_init_source (cinfo)
+ j_decompress_ptr cinfo;
+{
+}
+
+
+/* Fill input buffer method for JPEG data source manager. Called
+ whenever more data is needed. We read the whole image in one step,
+ so this only adds a fake end of input marker at the end. */
+
+static boolean
+our_fill_input_buffer (cinfo)
+ j_decompress_ptr cinfo;
+{
+ /* Insert a fake EOI marker. */
+ struct jpeg_source_mgr *src = cinfo->src;
+ static JOCTET buffer[2];
+
+ buffer[0] = (JOCTET) 0xFF;
+ buffer[1] = (JOCTET) JPEG_EOI;
+
+ src->next_input_byte = buffer;
+ src->bytes_in_buffer = 2;
+ return TRUE;
+}
+
+
+/* Method to skip over NUM_BYTES bytes in the image data. CINFO->src
+ is the JPEG data source manager. */
+
+static void
+our_skip_input_data (cinfo, num_bytes)
+ j_decompress_ptr cinfo;
+ long num_bytes;
+{
+ struct jpeg_source_mgr *src = (struct jpeg_source_mgr *) cinfo->src;
+
+ if (src)
+ {
+ if (num_bytes > src->bytes_in_buffer)
+ ERREXIT (cinfo, JERR_INPUT_EOF);
+
+ src->bytes_in_buffer -= num_bytes;
+ src->next_input_byte += num_bytes;
+ }
+}
+
+
+/* Method to terminate data source. Called by
+ jpeg_finish_decompress() after all data has been processed. */
+
+static void
+our_term_source (cinfo)
+ j_decompress_ptr cinfo;
+{
+}
+
+
+/* Set up the JPEG lib for reading an image from DATA which contains
+ LEN bytes. CINFO is the decompression info structure created for
+ reading the image. */
+
+static void
+jpeg_memory_src (cinfo, data, len)
+ j_decompress_ptr cinfo;
+ JOCTET *data;
+ unsigned int len;
+{
+ struct jpeg_source_mgr *src;
+
+ if (cinfo->src == NULL)
+ {
+ /* First time for this JPEG object? */
+ cinfo->src = (struct jpeg_source_mgr *)
+ (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT,
+ sizeof (struct jpeg_source_mgr));
+ src = (struct jpeg_source_mgr *) cinfo->src;
+ src->next_input_byte = data;
+ }
+
+ src = (struct jpeg_source_mgr *) cinfo->src;
+ src->init_source = our_init_source;
+ src->fill_input_buffer = our_fill_input_buffer;
+ src->skip_input_data = our_skip_input_data;
+ src->resync_to_restart = jpeg_resync_to_restart; /* Use default method. */
+ src->term_source = our_term_source;
+ src->bytes_in_buffer = len;
+ src->next_input_byte = data;
+}
+
+
+/* Load image IMG for use on frame F. Patterned after example.c
+ from the JPEG lib. */
+
+static int
+jpeg_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ struct jpeg_decompress_struct cinfo;
+ struct my_jpeg_error_mgr mgr;
+ Lisp_Object file, specified_file;
+ Lisp_Object specified_data;
+ FILE *fp = NULL;
+ JSAMPARRAY buffer;
+ int row_stride, x, y;
+ XImage *ximg = NULL;
+ int rc;
+ unsigned long *colors;
+ int width, height;
+ struct gcpro gcpro1;
+
+ /* Open the JPEG file. */
+ specified_file = image_spec_value (img->spec, QCfile, NULL);
+ specified_data = image_spec_value (img->spec, QCdata, NULL);
+ file = Qnil;
+ GCPRO1 (file);
+
+
+ if (NILP (specified_data))
+ {
+ file = x_find_image_file (specified_file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file `%s'", specified_file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ fp = fopen (XSTRING (file)->data, "r");
+ if (fp == NULL)
+ {
+ image_error ("Cannot open `%s'", file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+ }
+
+ /* Customize libjpeg's error handling to call my_error_exit when an
+ error is detected. This function will perform a longjmp. */
+ mgr.pub.error_exit = my_error_exit;
+ cinfo.err = jpeg_std_error (&mgr.pub);
+
+ if ((rc = setjmp (mgr.setjmp_buffer)) != 0)
+ {
+ if (rc == 1)
+ {
+ /* Called from my_error_exit. Display a JPEG error. */
+ char buffer[JMSG_LENGTH_MAX];
+ cinfo.err->format_message ((j_common_ptr) &cinfo, buffer);
+ image_error ("Error reading JPEG image `%s': %s", img->spec,
+ build_string (buffer));
+ }
+
+ /* Close the input file and destroy the JPEG object. */
+ if (fp)
+ fclose (fp);
+ jpeg_destroy_decompress (&cinfo);
+
+ BLOCK_INPUT;
+
+ /* If we already have an XImage, free that. */
+ x_destroy_x_image (ximg);
+
+ /* Free pixmap and colors. */
+ x_clear_image (f, img);
+
+ UNBLOCK_INPUT;
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Create the JPEG decompression object. Let it read from fp.
+ Read the JPEG image header. */
+ jpeg_create_decompress (&cinfo);
+
+ if (NILP (specified_data))
+ jpeg_stdio_src (&cinfo, fp);
+ else
+ jpeg_memory_src (&cinfo, XSTRING (specified_data)->data,
+ STRING_BYTES (XSTRING (specified_data)));
+
+ jpeg_read_header (&cinfo, TRUE);
+
+ /* Customize decompression so that color quantization will be used.
+ Start decompression. */
+ cinfo.quantize_colors = TRUE;
+ jpeg_start_decompress (&cinfo);
+ width = img->width = cinfo.output_width;
+ height = img->height = cinfo.output_height;
+
+ BLOCK_INPUT;
+
+ /* Create X image and pixmap. */
+ if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg,
+ &img->pixmap))
+ {
+ UNBLOCK_INPUT;
+ longjmp (mgr.setjmp_buffer, 2);
+ }
+
+ /* Allocate colors. When color quantization is used,
+ cinfo.actual_number_of_colors has been set with the number of
+ colors generated, and cinfo.colormap is a two-dimensional array
+ of color indices in the range 0..cinfo.actual_number_of_colors.
+ No more than 255 colors will be generated. */
+ {
+ int i, ir, ig, ib;
+
+ if (cinfo.out_color_components > 2)
+ ir = 0, ig = 1, ib = 2;
+ else if (cinfo.out_color_components > 1)
+ ir = 0, ig = 1, ib = 0;
+ else
+ ir = 0, ig = 0, ib = 0;
+
+ /* Use the color table mechanism because it handles colors that
+ cannot be allocated nicely. Such colors will be replaced with
+ a default color, and we don't have to care about which colors
+ can be freed safely, and which can't. */
+ init_color_table ();
+ colors = (unsigned long *) alloca (cinfo.actual_number_of_colors
+ * sizeof *colors);
+
+ for (i = 0; i < cinfo.actual_number_of_colors; ++i)
+ {
+ /* Multiply RGB values with 255 because X expects RGB values
+ in the range 0..0xffff. */
+ int r = cinfo.colormap[ir][i] << 8;
+ int g = cinfo.colormap[ig][i] << 8;
+ int b = cinfo.colormap[ib][i] << 8;
+ colors[i] = lookup_rgb_color (f, r, g, b);
+ }
+
+ /* Remember those colors actually allocated. */
+ img->colors = colors_in_color_table (&img->ncolors);
+ free_color_table ();
+ }
+
+ /* Read pixels. */
+ row_stride = width * cinfo.output_components;
+ buffer = cinfo.mem->alloc_sarray ((j_common_ptr) &cinfo, JPOOL_IMAGE,
+ row_stride, 1);
+ for (y = 0; y < height; ++y)
+ {
+ jpeg_read_scanlines (&cinfo, buffer, 1);
+ for (x = 0; x < cinfo.output_width; ++x)
+ XPutPixel (ximg, x, y, colors[buffer[0][x]]);
+ }
+
+ /* Clean up. */
+ jpeg_finish_decompress (&cinfo);
+ jpeg_destroy_decompress (&cinfo);
+ if (fp)
+ fclose (fp);
+
+ /* Put the image into the pixmap. */
+ x_put_x_image (f, ximg, img->pixmap, width, height);
+ x_destroy_x_image (ximg);
+ UNBLOCK_INPUT;
+ UNGCPRO;
+ return 1;
+}
+
+#endif /* HAVE_JPEG */
+
+
+\f
+/***********************************************************************
+ TIFF
+ ***********************************************************************/
+
+#if HAVE_TIFF
+
+#include <tiffio.h>
+
+static int tiff_image_p P_ ((Lisp_Object object));
+static int tiff_load P_ ((struct frame *f, struct image *img));
+
+/* The symbol `tiff' identifying images of this type. */
+
+Lisp_Object Qtiff;
+
+/* Indices of image specification fields in tiff_format, below. */
+
+enum tiff_keyword_index
+{
+ TIFF_TYPE,
+ TIFF_DATA,
+ TIFF_FILE,
+ TIFF_ASCENT,
+ TIFF_MARGIN,
+ TIFF_RELIEF,
+ TIFF_ALGORITHM,
+ TIFF_HEURISTIC_MASK,
+ TIFF_LAST
+};
+
+/* Vector of image_keyword structures describing the format
+ of valid user-defined image specifications. */
+
+static struct image_keyword tiff_format[TIFF_LAST] =
+{
+ {":type", IMAGE_SYMBOL_VALUE, 1},
+ {":data", IMAGE_STRING_VALUE, 0},
+ {":file", IMAGE_STRING_VALUE, 0},
+ {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
+ {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
+};
+
+/* Structure describing the image type `tiff'. */
+
+static struct image_type tiff_type =
+{
+ &Qtiff,
+ tiff_image_p,
+ tiff_load,
+ x_clear_image,
+ NULL
+};
+
+
+/* Return non-zero if OBJECT is a valid TIFF image specification. */
+
+static int
+tiff_image_p (object)
+ Lisp_Object object;
+{
+ struct image_keyword fmt[TIFF_LAST];
+ bcopy (tiff_format, fmt, sizeof fmt);
+
+ if (!parse_image_spec (object, fmt, TIFF_LAST, Qtiff)
+ || (fmt[TIFF_ASCENT].count
+ && XFASTINT (fmt[TIFF_ASCENT].value) > 100))
+ return 0;
+
+ /* Must specify either the :data or :file keyword. */
+ return fmt[TIFF_FILE].count + fmt[TIFF_DATA].count == 1;
+}
+
+
+/* Reading from a memory buffer for TIFF images Based on the PNG
+ memory source, but we have to provide a lot of extra functions.
+ Blah.
+
+ We really only need to implement read and seek, but I am not
+ convinced that the TIFF library is smart enough not to destroy
+ itself if we only hand it the function pointers we need to
+ override. */
+
+typedef struct
+{
+ unsigned char *bytes;
+ size_t len;
+ int index;
+}
+tiff_memory_source;
+
+static size_t
+tiff_read_from_memory (data, buf, size)
+ thandle_t data;
+ tdata_t buf;
+ tsize_t size;
+{
+ tiff_memory_source *src = (tiff_memory_source *) data;
+
+ if (size > src->len - src->index)
+ return (size_t) -1;
+ bcopy (src->bytes + src->index, buf, size);
+ src->index += size;
+ return size;
+}
+
+static size_t
+tiff_write_from_memory (data, buf, size)
+ thandle_t data;
+ tdata_t buf;
+ tsize_t size;
+{
+ return (size_t) -1;
+}
+
+static toff_t
+tiff_seek_in_memory (data, off, whence)
+ thandle_t data;
+ toff_t off;
+ int whence;
+{
+ tiff_memory_source *src = (tiff_memory_source *) data;
+ int idx;
+
+ switch (whence)
+ {
+ case SEEK_SET: /* Go from beginning of source. */
+ idx = off;
+ break;
+
+ case SEEK_END: /* Go from end of source. */
+ idx = src->len + off;
+ break;
+
+ case SEEK_CUR: /* Go from current position. */
+ idx = src->index + off;
+ break;
+
+ default: /* Invalid `whence'. */
+ return -1;
+ }
+
+ if (idx > src->len || idx < 0)
+ return -1;
+
+ src->index = idx;
+ return src->index;
+}
+
+static int
+tiff_close_memory (data)
+ thandle_t data;
+{
+ /* NOOP */
+ return 0;
+}
+
+static int
+tiff_mmap_memory (data, pbase, psize)
+ thandle_t data;
+ tdata_t *pbase;
+ toff_t *psize;
+{
+ /* It is already _IN_ memory. */
+ return 0;
+}
+
+static void
+tiff_unmap_memory (data, base, size)
+ thandle_t data;
+ tdata_t base;
+ toff_t size;
+{
+ /* We don't need to do this. */
+}
+
+static toff_t
+tiff_size_of_memory (data)
+ thandle_t data;
+{
+ return ((tiff_memory_source *) data)->len;
+}
+
+
+/* Load TIFF image IMG for use on frame F. Value is non-zero if
+ successful. */
+
+static int
+tiff_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ Lisp_Object file, specified_file;
+ Lisp_Object specified_data;
+ TIFF *tiff;
+ int width, height, x, y;
+ uint32 *buf;
+ int rc;
+ XImage *ximg;
+ struct gcpro gcpro1;
+ tiff_memory_source memsrc;
+
+ specified_file = image_spec_value (img->spec, QCfile, NULL);
+ specified_data = image_spec_value (img->spec, QCdata, NULL);
+ file = Qnil;
+ GCPRO1 (file);
+
+ if (NILP (specified_data))
+ {
+ /* Read from a file */
+ file = x_find_image_file (specified_file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file `%s'", file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Try to open the image file. */
+ tiff = TIFFOpen (XSTRING (file)->data, "r");
+ if (tiff == NULL)
+ {
+ image_error ("Cannot open `%s'", file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+ }
+ else
+ {
+ /* Memory source! */
+ memsrc.bytes = XSTRING (specified_data)->data;
+ memsrc.len = STRING_BYTES (XSTRING (specified_data));
+ memsrc.index = 0;
+
+ tiff = TIFFClientOpen ("memory_source", "r", &memsrc,
+ (TIFFReadWriteProc) tiff_read_from_memory,
+ (TIFFReadWriteProc) tiff_write_from_memory,
+ tiff_seek_in_memory,
+ tiff_close_memory,
+ tiff_size_of_memory,
+ tiff_mmap_memory,
+ tiff_unmap_memory);
+
+ if (!tiff)
+ {
+ image_error ("Cannot open memory source for `%s'", img->spec, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+ }
+
+ /* Get width and height of the image, and allocate a raster buffer
+ of width x height 32-bit values. */
+ TIFFGetField (tiff, TIFFTAG_IMAGEWIDTH, &width);
+ TIFFGetField (tiff, TIFFTAG_IMAGELENGTH, &height);
+ buf = (uint32 *) xmalloc (width * height * sizeof *buf);
+
+ rc = TIFFReadRGBAImage (tiff, width, height, buf, 0);
+ TIFFClose (tiff);
+ if (!rc)
+ {
+ image_error ("Error reading TIFF image `%s'", img->spec, Qnil);
+ xfree (buf);
+ UNGCPRO;
+ return 0;
+ }
+
+ BLOCK_INPUT;
+
+ /* Create the X image and pixmap. */
+ if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap))
+ {
+ UNBLOCK_INPUT;
+ xfree (buf);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Initialize the color table. */
+ init_color_table ();
+
+ /* Process the pixel raster. Origin is in the lower-left corner. */
+ for (y = 0; y < height; ++y)
+ {
+ uint32 *row = buf + y * width;
+
+ for (x = 0; x < width; ++x)
+ {
+ uint32 abgr = row[x];
+ int r = TIFFGetR (abgr) << 8;
+ int g = TIFFGetG (abgr) << 8;
+ int b = TIFFGetB (abgr) << 8;
+ XPutPixel (ximg, x, height - 1 - y, lookup_rgb_color (f, r, g, b));
+ }
+ }
+
+ /* Remember the colors allocated for the image. Free the color table. */
+ img->colors = colors_in_color_table (&img->ncolors);
+ free_color_table ();
+
+ /* Put the image into the pixmap, then free the X image and its buffer. */
+ x_put_x_image (f, ximg, img->pixmap, width, height);
+ x_destroy_x_image (ximg);
+ xfree (buf);
+ UNBLOCK_INPUT;
+
+ img->width = width;
+ img->height = height;
+
+ UNGCPRO;
+ return 1;
+}
+
+#endif /* HAVE_TIFF != 0 */
+
+
+\f
+/***********************************************************************
+ GIF
+ ***********************************************************************/
+
+#if HAVE_GIF
+
+#include <gif_lib.h>
+
+static int gif_image_p P_ ((Lisp_Object object));
+static int gif_load P_ ((struct frame *f, struct image *img));
+
+/* The symbol `gif' identifying images of this type. */
+
+Lisp_Object Qgif;
+
+/* Indices of image specification fields in gif_format, below. */
+
+enum gif_keyword_index
+{
+ GIF_TYPE,
+ GIF_DATA,
+ GIF_FILE,
+ GIF_ASCENT,
+ GIF_MARGIN,
+ GIF_RELIEF,
+ GIF_ALGORITHM,
+ GIF_HEURISTIC_MASK,
+ GIF_IMAGE,
+ GIF_LAST
+};
+
+/* Vector of image_keyword structures describing the format
+ of valid user-defined image specifications. */
+
+static struct image_keyword gif_format[GIF_LAST] =
+{
+ {":type", IMAGE_SYMBOL_VALUE, 1},
+ {":data", IMAGE_STRING_VALUE, 0},
+ {":file", IMAGE_STRING_VALUE, 0},
+ {":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
+ {":margin", IMAGE_POSITIVE_INTEGER_VALUE, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":image", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0}
+};
+
+/* Structure describing the image type `gif'. */
+
+static struct image_type gif_type =
+{
+ &Qgif,
+ gif_image_p,
+ gif_load,
+ x_clear_image,
+ NULL
+};
+
+/* Return non-zero if OBJECT is a valid GIF image specification. */
+
+static int
+gif_image_p (object)
+ Lisp_Object object;
+{
+ struct image_keyword fmt[GIF_LAST];
+ bcopy (gif_format, fmt, sizeof fmt);
+
+ if (!parse_image_spec (object, fmt, GIF_LAST, Qgif)
+ || (fmt[GIF_ASCENT].count
+ && XFASTINT (fmt[GIF_ASCENT].value) > 100))
+ return 0;
+
+ /* Must specify either the :data or :file keyword. */
+ return fmt[GIF_FILE].count + fmt[GIF_DATA].count == 1;
+}
+
+/* Reading a GIF image from memory
+ Based on the PNG memory stuff to a certain extent. */
+
+typedef struct
+{
+ unsigned char *bytes;
+ size_t len;
+ int index;
+}
+gif_memory_source;
+
+/* Make the current memory source available to gif_read_from_memory.
+ It's done this way because not all versions of libungif support
+ a UserData field in the GifFileType structure. */
+static gif_memory_source *current_gif_memory_src;
+
+static int
+gif_read_from_memory (file, buf, len)
+ GifFileType *file;
+ GifByteType *buf;
+ int len;
+{
+ gif_memory_source *src = current_gif_memory_src;
+
+ if (len > src->len - src->index)
+ return -1;
+
+ bcopy (src->bytes + src->index, buf, len);
+ src->index += len;
+ return len;
+}
+
+
+/* Load GIF image IMG for use on frame F. Value is non-zero if
+ successful. */
+
+static int
+gif_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ Lisp_Object file, specified_file;
+ Lisp_Object specified_data;
+ int rc, width, height, x, y, i;
+ XImage *ximg;
+ ColorMapObject *gif_color_map;
+ unsigned long pixel_colors[256];
+ GifFileType *gif;
+ struct gcpro gcpro1;
+ Lisp_Object image;
+ int ino, image_left, image_top, image_width, image_height;
+ gif_memory_source memsrc;
+ unsigned char *raster;
+
+ specified_file = image_spec_value (img->spec, QCfile, NULL);
+ specified_data = image_spec_value (img->spec, QCdata, NULL);
+ file = Qnil;
+
+ if (NILP (specified_data))
+ {
+ file = x_find_image_file (specified_file);
+ GCPRO1 (file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file `%s'", specified_file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ /* Open the GIF file. */
+ gif = DGifOpenFileName (XSTRING (file)->data);
+ if (gif == NULL)
+ {
+ image_error ("Cannot open `%s'", file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+ }
+ 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, 0},
+ {":relief", IMAGE_INTEGER_VALUE, 0},
+ {":algorithm", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
+};
+
+/* Structure describing the image type `ghostscript'. */
+
+static struct image_type gs_type =
+{
+ &Qpostscript,
+ gs_image_p,
+ gs_load,
+ gs_clear_image,
+ NULL
+};
+
+
+/* Free X resources of Ghostscript image IMG which is used on frame F. */
+
+static void
+gs_clear_image (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ /* IMG->data.ptr_val may contain a recorded colormap. */
+ xfree (img->data.ptr_val);
+ x_clear_image (f, img);
+}
+
+
+/* Return non-zero if OBJECT is a valid Ghostscript image
+ specification. */
+
+static int
+gs_image_p (object)
+ Lisp_Object object;
+{
+ struct image_keyword fmt[GS_LAST];
+ Lisp_Object tem;
+ int i;
+
+ bcopy (gs_format, fmt, sizeof fmt);
+
+ if (!parse_image_spec (object, fmt, GS_LAST, Qpostscript)
+ || (fmt[GS_ASCENT].count
+ && XFASTINT (fmt[GS_ASCENT].value) > 100))
+ return 0;
+
+ /* Bounding box must be a list or vector containing 4 integers. */
+ tem = fmt[GS_BOUNDING_BOX].value;
+ if (CONSP (tem))
+ {
+ for (i = 0; i < 4; ++i, tem = XCDR (tem))
+ if (!CONSP (tem) || !INTEGERP (XCAR (tem)))
+ return 0;
+ if (!NILP (tem))
+ return 0;
+ }
+ else if (VECTORP (tem))
+ {
+ if (XVECTOR (tem)->size != 4)
+ return 0;
+ for (i = 0; i < 4; ++i)
+ if (!INTEGERP (XVECTOR (tem)->contents[i]))
+ return 0;
+ }
+ else
+ return 0;
+
+ return 1;
+}
+
+
+/* Load Ghostscript image IMG for use on frame F. Value is non-zero
+ if successful. */
+
+static int
+gs_load (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ char buffer[100];
+ Lisp_Object window_and_pixmap_id = Qnil, loader, pt_height, pt_width;
+ struct gcpro gcpro1, gcpro2;
+ Lisp_Object frame;
+ double in_width, in_height;
+ Lisp_Object pixel_colors = Qnil;
+
+ /* Compute pixel size of pixmap needed from the given size in the
+ image specification. Sizes in the specification are in pt. 1 pt
+ = 1/72 in, xdpi and ydpi are stored in the frame's X display
+ info. */
+ pt_width = image_spec_value (img->spec, QCpt_width, NULL);
+ in_width = XFASTINT (pt_width) / 72.0;
+ img->width = in_width * FRAME_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 /* NTEMACS_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 /* NTEMACS_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 /* NTEMACS_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 /* NTEMACS_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 /* NTEMACS_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 /* NTEMACS_TODO */
+ return Qnil;
+}
+
+
+\f
+/***********************************************************************
+ Busy cursor
+ ***********************************************************************/
+
+/* The implementation partly follows a patch from
+ F.Pierresteguy@frcl.bull.fr dated 1994. */
+
+/* Setting inhibit_busy_cursor to 2 inhibits busy-cursor display until
+ the next X event is read and we enter XTread_socket again. Setting
+ it to 1 inhibits busy-cursor display for direct commands. */
+
+int inhibit_busy_cursor;
+
+/* Incremented with each call to x-display-busy-cursor.
+ Decremented in x-undisplay-busy-cursor. */
+
+static int busy_count;
+
+
+DEFUN ("x-show-busy-cursor", Fx_show_busy_cursor,
+ Sx_show_busy_cursor, 0, 0, 0,
+ "Show a busy cursor, if not already shown.\n\
+Each call to this function must be matched by a call to\n\
+x-undisplay-busy-cursor to make the busy pointer disappear again.")
+ ()
+{
+ ++busy_count;
+ if (busy_count == 1)
+ {
+ Lisp_Object rest, frame;
+
+ FOR_EACH_FRAME (rest, frame)
+ if (FRAME_X_P (XFRAME (frame)))
+ {
+ struct frame *f = XFRAME (frame);
+#if 0 /* NTEMACS_TODO : busy cursor */
+
+ BLOCK_INPUT;
+ f->output_data.w32->busy_p = 1;
+
+ if (!f->output_data.w32->busy_window)
+ {
+ unsigned long mask = CWCursor;
+ XSetWindowAttributes attrs;
+
+ attrs.cursor = f->output_data.w32->busy_cursor;
+ f->output_data.w32->busy_window
+ = XCreateWindow (FRAME_W32_DISPLAY (f),
+ FRAME_OUTER_WINDOW (f),
+ 0, 0, 32000, 32000, 0, 0,
+ InputOnly, CopyFromParent,
+ mask, &attrs);
+ }
+
+ XMapRaised (FRAME_W32_DISPLAY (f), f->output_data.w32->busy_window);
+ UNBLOCK_INPUT;
+#endif
+ }
+ }
+
+ return Qnil;
+}
+
+
+DEFUN ("x-hide-busy-cursor", Fx_hide_busy_cursor,
+ Sx_hide_busy_cursor, 0, 1, 0,
+ "Hide a busy-cursor.\n\
+A busy-cursor will actually be undisplayed when a matching\n\
+`x-undisplay-busy-cursor' is called for each `x-display-busy-cursor'\n\
+issued. FORCE non-nil means undisplay the busy-cursor forcibly,\n\
+not counting calls.")
+ (force)
+ Lisp_Object force;
+{
+ Lisp_Object rest, frame;
+
+ if (busy_count == 0)
+ return Qnil;
+
+ if (!NILP (force) && busy_count != 0)
+ busy_count = 1;
+
+ --busy_count;
+ if (busy_count != 0)
+ return Qnil;
+
+ FOR_EACH_FRAME (rest, frame)
+ {
+ struct frame *f = XFRAME (frame);
+
+ if (FRAME_X_P (f)
+ /* Watch out for newly created frames. */
+ && f->output_data.w32->busy_window)
+ {
+#if 0 /* NTEMACS_TODO : busy cursor */
+ BLOCK_INPUT;
+ XUnmapWindow (FRAME_W32_DISPLAY (f), f->output_data.w32->busy_window);
+ /* Sync here because XTread_socket looks at the busy_p flag
+ that is reset to zero below. */
+ XSync (FRAME_W32_DISPLAY (f), False);
+ UNBLOCK_INPUT;
+ f->output_data.w32->busy_p = 0;
+#endif
+ }
+ }
+
+ return Qnil;
+}
+
+
+\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. */
+
+struct frame *tip_frame;
+
+/* If non-nil, a timer started that hides the last tooltip when it
+ fires. */
+
+Lisp_Object tip_timer;
+Window tip_window;
+
+/* Create a frame for a tooltip on the display described by DPYINFO.
+ PARMS is a list of frame parameters. Value is the frame. */
+
+static Lisp_Object
+x_create_tip_frame (dpyinfo, parms)
+ struct w32_display_info *dpyinfo;
+ Lisp_Object parms;
+{
+#if 0 /* NTEMACS_TODO : w32 version */
+ struct frame *f;
+ Lisp_Object frame, tem;
+ Lisp_Object name;
+ long window_prompting = 0;
+ int width, height;
+ int count = specpdl_ptr - specpdl;
+ struct gcpro gcpro1, gcpro2, gcpro3;
+ struct kboard *kb;
+
+ check_x ();
+
+ /* Use this general default value to start with until we know if
+ this frame has a specified name. */
+ Vx_resource_name = Vinvocation_name;
+
+#ifdef MULTI_KBOARD
+ kb = dpyinfo->kboard;
+#else
+ kb = &the_only_kboard;
+#endif
+
+ /* Get the name of the frame to use for resource lookup. */
+ name = 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);
+ tip_frame = f = make_frame (1);
+ XSETFRAME (frame, f);
+ FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
+
+ f->output_method = output_x_window;
+ f->output_data.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 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);
+ }
+
+ /* Create fontsets from `global_fontset_alist' before handling fonts. */
+ for (tem = Vglobal_fontset_alist; CONSP (tem); tem = XCDR (tem))
+ fs_register_fontset (f, XCAR (tem));
+
+ /* Extract the window parameters from the supplied values
+ that are needed to determine window geometry. */
+ {
+ Lisp_Object font;
+
+ font = 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, "-adobe-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-1");
+ if (!STRINGP (font))
+ font = x_new_font (f, "-misc-fixed-medium-r-normal-*-*-140-*-*-c-*-iso8859-1");
+ if (! STRINGP (font))
+ font = x_new_font (f, "-*-*-medium-r-normal-*-*-140-*-*-c-*-iso8859-1");
+ if (! STRINGP (font))
+ /* This was formerly the first thing tried, but it finds too many fonts
+ and takes too long. */
+ font = x_new_font (f, "-*-*-medium-r-*-*-*-*-*-*-c-*-iso8859-1");
+ /* If those didn't work, look for something which will at least work. */
+ if (! STRINGP (font))
+ font = x_new_font (f, "-*-fixed-*-*-*-*-*-140-*-*-c-*-iso8859-1");
+ UNBLOCK_INPUT;
+ if (! STRINGP (font))
+ font = build_string ("fixed");
+
+ x_default_parameter (f, parms, Qfont, font,
+ "font", "Font", RES_TYPE_STRING);
+ }
+
+ x_default_parameter (f, parms, Qborder_width, make_number (2),
+ "borderWidth", "BorderWidth", RES_TYPE_NUMBER);
+
+ /* This defaults to 2 in order to match xterm. We recognize either
+ internalBorderWidth or internalBorder (which is what xterm calls
+ it). */
+ if (NILP (Fassq (Qinternal_border_width, parms)))
+ {
+ Lisp_Object value;
+
+ value = 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);
+
+ /* Now that the frame is official, it counts as a reference to
+ its display. */
+ FRAME_W32_DISPLAY_INFO (f)->reference_count++;
-int
-x_pixel_height (f)
- register struct frame *f;
-{
- return PIXEL_HEIGHT (f);
+ return unbind_to (count, frame);
+#endif /* NTEMACS_TODO */
+ return Qnil;
}
-int
-x_char_width (f)
- register struct frame *f;
-{
- return FONT_WIDTH (f->output_data.w32->font);
-}
-int
-x_char_height (f)
- register struct frame *f;
+DEFUN ("x-show-tip", Fx_show_tip, Sx_show_tip, 1, 4, 0,
+ "Show STRING in a \"tooltip\" window on frame FRAME.\n\
+A tooltip window is a small X window displaying STRING at\n\
+the current mouse position.\n\
+FRAME nil or omitted means use the selected frame.\n\
+PARMS is an optional list of frame parameters which can be\n\
+used to change the tooltip's appearance.\n\
+Automatically hide the tooltip after TIMEOUT seconds.\n\
+TIMEOUT nil means use the default timeout of 5 seconds.")
+ (string, frame, parms, timeout)
+ Lisp_Object string, frame, parms, timeout;
{
- return f->output_data.w32->line_height;
-}
+ struct frame *f;
+ struct window *w;
+ Window root, child;
+ Lisp_Object buffer;
+ struct buffer *old_buffer;
+ struct text_pos pos;
+ int i, width, height;
+ int root_x, root_y, win_x, win_y;
+ unsigned pmask;
+ struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
+ int old_windows_or_buffers_changed = windows_or_buffers_changed;
+ int count = specpdl_ptr - specpdl;
+
+ specbind (Qinhibit_redisplay, Qt);
-int
-x_screen_planes (frame)
- Lisp_Object frame;
-{
- return (FRAME_W32_DISPLAY_INFO (XFRAME (frame))->n_planes *
- FRAME_W32_DISPLAY_INFO (XFRAME (frame))->n_cbits);
-}
-\f
-/* Return the display structure for the display named NAME.
- Open a new connection if necessary. */
+ GCPRO3 (string, parms, frame, timeout);
-struct w32_display_info *
-x_display_info_for_name (name)
- Lisp_Object name;
-{
- Lisp_Object names;
- struct w32_display_info *dpyinfo;
+ CHECK_STRING (string, 0);
+ f = check_x_frame (frame);
+ if (NILP (timeout))
+ timeout = make_number (5);
+ else
+ CHECK_NATNUM (timeout, 2);
- CHECK_STRING (name, 0);
+ /* Hide a previous tip, if any. */
+ Fx_hide_tip ();
- for (dpyinfo = &one_w32_display_info, names = w32_display_name_list;
- dpyinfo;
- dpyinfo = dpyinfo->next, names = XCDR (names))
+ /* 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);
+ tip_frame = f = XFRAME (frame);
+
+ /* Set up the frame's root window. Currently we use a size of 80
+ columns x 40 lines. If someone wants to show a larger tip, he
+ will loose. I don't think this is a realistic case. */
+ w = XWINDOW (FRAME_ROOT_WINDOW (f));
+ w->left = w->top = make_number (0);
+ w->width = 80;
+ w->height = 40;
+ adjust_glyphs (f);
+ w->pseudo_window_p = 1;
+
+ /* Display the tooltip text in a temporary buffer. */
+ buffer = Fget_buffer_create (build_string (" *tip*"));
+ Fset_window_buffer (FRAME_ROOT_WINDOW (f), buffer);
+ old_buffer = current_buffer;
+ set_buffer_internal_1 (XBUFFER (buffer));
+ Ferase_buffer ();
+ Finsert (make_number (1), &string);
+ clear_glyph_matrix (w->desired_matrix);
+ clear_glyph_matrix (w->current_matrix);
+ SET_TEXT_POS (pos, BEGV, BEGV_BYTE);
+ try_window (FRAME_ROOT_WINDOW (f), pos);
+
+ /* Compute width and height of the tooltip. */
+ width = height = 0;
+ for (i = 0; i < w->desired_matrix->nrows; ++i)
{
- Lisp_Object tem;
- tem = Fstring_equal (XCAR (XCAR (names)), name);
- if (!NILP (tem))
- return dpyinfo;
+ 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);
}
- /* Use this general default value to start with. */
- Vx_resource_name = Vinvocation_name;
+ /* 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);
- validate_x_resource_name ();
+ /* Move the tooltip window where the mouse pointer is. Resize and
+ show it. */
+#if 0 /* NTEMACS_TODO : W32 specifics */
+ BLOCK_INPUT;
+ XQueryPointer (FRAME_W32_DISPLAY (f), FRAME_W32_DISPLAY_INFO (f)->root_window,
+ &root, &child, &root_x, &root_y, &win_x, &win_y, &pmask);
+ XMoveResizeWindow (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
+ root_x + 5, root_y - height - 5, width, height);
+ XMapRaised (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f));
+ UNBLOCK_INPUT;
+#endif /* NTEMACS_TODO */
- dpyinfo = w32_term_init (name, (unsigned char *)0,
- (char *) XSTRING (Vx_resource_name)->data);
+ /* Draw into the window. */
+ w->must_be_updated_p = 1;
+ update_single_window (w, 1);
- if (dpyinfo == 0)
- error ("Cannot connect to server %s", XSTRING (name)->data);
+ /* Restore original current buffer. */
+ set_buffer_internal_1 (old_buffer);
+ windows_or_buffers_changed = old_windows_or_buffers_changed;
- w32_in_use = 1;
- XSETFASTINT (Vwindow_system_version, 3);
+ /* Let the tip disappear after timeout seconds. */
+ tip_timer = call3 (intern ("run-at-time"), timeout, Qnil,
+ intern ("x-hide-tip"));
+ UNGCPRO;
- return dpyinfo;
+ return unbind_to (count, Qnil);
}
-DEFUN ("x-open-connection", Fx_open_connection, Sx_open_connection,
- 1, 3, 0, "Open a connection to a server.\n\
-DISPLAY is the name of the display to connect to.\n\
-Optional second arg XRM-STRING is a string of resources in xrdb format.\n\
-If the optional third arg MUST-SUCCEED is non-nil,\n\
-terminate Emacs if we can't open the connection.")
- (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;
- CHECK_STRING (display, 0);
- if (! NILP (xrm_string))
- CHECK_STRING (xrm_string, 1);
+DEFUN ("x-hide-tip", Fx_hide_tip, Sx_hide_tip, 0, 0, 0,
+ "Hide the current tooltip window, if there is any.\n\
+Value is t is tooltip was open, nil otherwise.")
+ ()
+{
+ int count = specpdl_ptr - specpdl;
+ int deleted_p = 0;
+
+ specbind (Qinhibit_redisplay, Qt);
+
+ if (!NILP (tip_timer))
+ {
+ call1 (intern ("cancel-timer"), tip_timer);
+ tip_timer = Qnil;
+ }
- if (! EQ (Vwindow_system, intern ("w32")))
- error ("Not using Microsoft Windows");
+ if (tip_frame)
+ {
+ Lisp_Object frame;
+
+ XSETFRAME (frame, tip_frame);
+ Fdelete_frame (frame, Qt);
+ tip_frame = NULL;
+ deleted_p = 1;
+ }
- /* 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. */
- {
- Lisp_Object color_file;
- struct gcpro gcpro1;
+ return unbind_to (count, deleted_p ? Qt : Qnil);
+}
- color_file = build_string("~/rgb.txt");
- GCPRO1 (color_file);
+\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;
- if (NILP (Ffile_readable_p (color_file)))
- color_file =
- Fexpand_file_name (build_string ("rgb.txt"),
- Fsymbol_value (intern ("data-directory")));
+ unixtodos_filename (full_path_name);
- Vw32_color_map = Fw32_load_color_file (color_file);
+ file_name_only = strrchr (full_path_name, '\\');
+ if (!file_name_only)
+ file_name_only = full_path_name;
+ else
+ {
+ file_name_only++;
- UNGCPRO;
- }
- if (NILP (Vw32_color_map))
- Vw32_color_map = Fw32_default_color_map ();
+ /* 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;
+ }
- if (! NILP (xrm_string))
- xrm_option = (unsigned char *) XSTRING (xrm_string)->data;
+ strncpy (filename, file_name_only, MAX_PATH);
+ filename[MAX_PATH] = '\0';
+ }
else
- xrm_option = (unsigned char *) 0;
+ filename[0] = '\0';
- /* Use this general default value to start with. */
- /* First remove .exe suffix from invocation-name - it looks ugly. */
- {
- char basename[ MAX_PATH ], *str;
+ if (use_dialog_p)
+ {
+ OPENFILENAME file_details;
+ char *filename_file;
- strcpy (basename, XSTRING (Vinvocation_name)->data);
- str = strrchr (basename, '.');
- if (str) *str = 0;
- Vinvocation_name = build_string (basename);
- }
- Vx_resource_name = Vinvocation_name;
+ /* Prevent redisplay. */
+ specbind (Qinhibit_redisplay, Qt);
+ BLOCK_INPUT;
- validate_x_resource_name ();
+ 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;
- /* This is what opens the connection and sets x_current_display.
- This also initializes many symbols, such as those used for input. */
- dpyinfo = w32_term_init (display, xrm_option,
- (char *) XSTRING (Vx_resource_name)->data);
+ if (!NILP (mustmatch))
+ file_details.Flags |= OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST;
- if (dpyinfo == 0)
- {
- if (!NILP (must_succeed))
- fatal ("Cannot connect to server %s.\n",
- XSTRING (display)->data);
+ if (GetOpenFileName (&file_details))
+ {
+ dostounix_filename (filename);
+ file = build_string (filename);
+ }
else
- error ("Cannot connect to server %s", XSTRING (display)->data);
+ 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);
- w32_in_use = 1;
+ UNGCPRO;
- XSETFASTINT (Vwindow_system_version, 3);
- return Qnil;
-}
+ /* Make "Cancel" equivalent to C-g. */
+ if (NILP (file))
+ Fsignal (Qquit, Qnil);
-DEFUN ("x-close-connection", Fx_close_connection,
- Sx_close_connection, 1, 1, 0,
- "Close the connection to DISPLAY's server.\n\
-For DISPLAY, specify either a frame or a display name (a string).\n\
-If DISPLAY is nil, that stands for the selected frame's display.")
- (display)
- Lisp_Object display;
-{
- struct w32_display_info *dpyinfo = check_x_display_info (display);
- struct w32_display_info *tail;
- int i;
+ return file;
+}
- if (dpyinfo->reference_count > 0)
- error ("Display still has frames on it");
- 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);
- }
- x_destroy_all_bitmaps (dpyinfo);
+\f
+/***********************************************************************
+ Tests
+ ***********************************************************************/
- x_delete_display (dpyinfo);
- UNBLOCK_INPUT;
+#if GLYPH_DEBUG
- return Qnil;
+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 ("x-display-list", Fx_display_list, Sx_display_list, 0, 0, 0,
- "Return the list of display names that Emacs has connections to.")
- ()
-{
- Lisp_Object tail, result;
- result = Qnil;
- for (tail = w32_display_name_list; ! NILP (tail); tail = XCDR (tail))
- result = Fcons (XCAR (XCAR (tail)), result);
+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);
- return result;
+ debug_print (spec);
+ return make_number (id);
}
-DEFUN ("x-synchronize", Fx_synchronize, Sx_synchronize, 1, 2, 0,
- "If ON is non-nil, report errors as soon as the erring request is made.\n\
-If ON is nil, allow buffering of requests.\n\
-This is a noop on W32 systems.\n\
-The optional second argument DISPLAY specifies which display to act on.\n\
-DISPLAY should be either a frame or a display name (a string).\n\
-If DISPLAY is omitted or nil, that stands for the selected frame's display.")
- (on, display)
- Lisp_Object display, on;
-{
- struct w32_display_info *dpyinfo = check_x_display_info (display);
+#endif /* GLYPH_DEBUG != 0 */
- return Qnil;
-}
\f
-/* These are the w32 specialized functions */
+/***********************************************************************
+ 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.")
cf.lStructSize = sizeof (cf);
cf.hwndOwner = FRAME_W32_WINDOW (f);
- cf.Flags = CF_FIXEDPITCHONLY | CF_FORCEFONTEXIST | CF_SCREENFONTS;
+ cf.Flags = CF_FORCEFONTEXIST | CF_SCREENFONTS;
cf.lpLogFont = &lf;
/* Initialize as much of the font details as we can from the current
lf.lfItalic = tm.tmItalic;
lf.lfUnderline = tm.tmUnderlined;
lf.lfStrikeOut = tm.tmStruckOut;
- lf.lfPitchAndFamily = tm.tmPitchAndFamily;
lf.lfCharSet = tm.tmCharSet;
cf.Flags |= CF_INITTOLOGFONTSTRUCT;
}
SelectObject (hdc, oldobj);
- ReleaseDC (FRAME_W32_WINDOW(f), hdc);
+ ReleaseDC (FRAME_W32_WINDOW (f), hdc);
if (!ChooseFont (&cf) || !w32_to_x_font (&lf, buf, 100))
return Qnil;
"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\", and DOCUMENT\n\
-is typically the name of a document file or URL, but can also be a\n\
-program executable to run or a directory to open in the Windows Explorer.\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 list of command\n\
-line parameters, but otherwise should be nil.\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\
+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\
{
Lisp_Object current_dir;
- CHECK_STRING (operation, 0);
CHECK_STRING (document, 0);
/* Encode filename and current directory. */
current_dir = ENCODE_FILE (current_buffer->directory);
document = ENCODE_FILE (document);
if ((int) ShellExecute (NULL,
- XSTRING (operation)->data,
+ (STRINGP (operation) ?
+ XSTRING (operation)->data : NULL),
XSTRING (document)->data,
(STRINGP (parameters) ?
XSTRING (parameters)->data : NULL),
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);
+#if 0 /* Duplicate initialization in xdisp.c */
Qdisplay = intern ("display");
staticpro (&Qdisplay);
+#endif
+ Qscreen_gamma = intern ("screen-gamma");
+ staticpro (&Qscreen_gamma);
/* This is the end of symbol initialization. */
Qhyper = intern ("hyper");
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);
Any other value will cause the key to be ignored.");
Vw32_apps_modifier = Qnil;
- DEFVAR_LISP ("w32-enable-italics", &Vw32_enable_italics,
- "Non-nil enables selection of artificially italicized fonts.");
- Vw32_enable_italics = 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\
Vx_mode_pointer_shape = Qnil;
- DEFVAR_INT ("x-sensitive-text-pointer-shape",
+ DEFVAR_LISP ("x-busy-pointer-shape", &Vx_busy_pointer_shape,
+ "The shape of the pointer when Emacs is busy.\n\
+This variable takes effect when you create a new frame\n\
+or when you set the mouse color.");
+ Vx_busy_pointer_shape = Qnil;
+
+ DEFVAR_BOOL ("display-busy-cursor", &display_busy_cursor_p,
+ "Non-zero means Emacs displays a busy cursor on window systems.");
+ display_busy_cursor_p = 1;
+
+ DEFVAR_LISP ("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\
Chinese, Japanese, and Korean.");
Vx_pixel_size_width_font_regexp = Qnil;
+ DEFVAR_LISP ("image-cache-eviction-delay", &Vimage_cache_eviction_delay,
+ "Time after which cached images are removed from the cache.\n\
+When an image has not been displayed this many seconds, remove it\n\
+from the image cache. Value must be an integer or nil with nil\n\
+meaning don't clear the cache.");
+ Vimage_cache_eviction_delay = make_number (30 * 60);
+
+ DEFVAR_LISP ("image-types", &Vimage_types,
+ "List of supported image types.\n\
+Each element of the list is a symbol for a supported image type.");
+ Vimage_types = Qnil;
+
DEFVAR_LISP ("w32-bdf-filename-alist",
&Vw32_bdf_filename_alist,
"List of bdf fonts and their corresponding filenames.");
Vw32_system_coding_system = Qnil;
defsubr (&Sx_get_resource);
- defsubr (&Sx_list_fonts);
+#if 0 /* NTEMACS_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 (&Sxw_color_defined_p);
/* 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 /* NTEMACS_TODO Image support for W32 */
+ /* Images. */
+ Qxbm = intern ("xbm");
+ staticpro (&Qxbm);
+ QCtype = intern (":type");
+ staticpro (&QCtype);
+ QCalgorithm = intern (":algorithm");
+ staticpro (&QCalgorithm);
+ QCheuristic_mask = intern (":heuristic-mask");
+ staticpro (&QCheuristic_mask);
+ QCcolor_symbols = intern (":color-symbols");
+ staticpro (&QCcolor_symbols);
+ QCdata = intern (":data");
+ staticpro (&QCdata);
+ 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 /* NTEMACS_TODO */
+
+ /* Busy-cursor. */
+ defsubr (&Sx_show_busy_cursor);
+ defsubr (&Sx_hide_busy_cursor);
+ busy_count = 0;
+ inhibit_busy_cursor = 0;
+
+ defsubr (&Sx_show_tip);
+ defsubr (&Sx_hide_tip);
+ staticpro (&tip_timer);
+ tip_timer = Qnil;
+
+ defsubr (&Sx_file_dialog);
+}
+
+
+void
+init_xfns ()
+{
+ image_types = NULL;
+ Vimage_types = Qnil;
+
+#if 0 /* NTEMACS_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 /* NTEMACS_TODO */
}
#undef abort
projects / emacs.git / commitdiff