import xemacs-21.2.37
[chise/xemacs-chise.git.1] / src / glyphs.h
1 /* Generic glyph data structures + display tables
2    Copyright (C) 1994 Board of Trustees, University of Illinois.
3    Copyright (C) 1995, 1996 Ben Wing
4
5 This file is part of XEmacs.
6
7 XEmacs is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by the
9 Free Software Foundation; either version 2, or (at your option) any
10 later version.
11
12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15 for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with XEmacs; see the file COPYING.  If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA.  */
21
22 /* Synched up with: Not in FSF. */
23
24 #ifndef INCLUDED_glyphs_h_
25 #define INCLUDED_glyphs_h_
26
27 #include "specifier.h"
28 #include "gui.h"
29
30 /************************************************************************/
31 /*                      Image Instantiators                             */
32 /************************************************************************/
33
34 struct image_instantiator_methods;
35
36 /* Remember the distinction between image instantiator formats and
37    image instance types.  Here's an approximate mapping:
38
39   image instantiator format     image instance type
40   -------------------------     -------------------
41   nothing                       nothing
42   string                        text
43   formatted-string              text
44   xbm                           mono-pixmap, color-pixmap, pointer
45   xpm                           color-pixmap, mono-pixmap, pointer
46   xface                         mono-pixmap, color-pixmap, pointer
47   gif                           color-pixmap
48   jpeg                          color-pixmap
49   png                           color-pixmap
50   tiff                          color-pixmap
51   bmp                           color-pixmap
52   cursor-font                   pointer
53   mswindows-resource            pointer, color-pixmap
54   font                          pointer
55   subwindow                     subwindow
56   inherit                       mono-pixmap
57   autodetect                    mono-pixmap, color-pixmap, pointer, text
58   button                        widget
59   edit-field                    widget
60   combo-box                     widget
61   progress-gauge                widget
62   tab-control                   widget
63   tree-view                     widget
64   scrollbar                     widget
65   label                         widget
66   layout                        widget
67   native-layout                 widget
68 */
69
70 /* These are methods specific to a particular format of image instantiator
71    (e.g. xpm, string, etc.). */
72
73 typedef struct ii_keyword_entry ii_keyword_entry;
74 struct ii_keyword_entry
75 {
76   Lisp_Object keyword;
77   void (*validate) (Lisp_Object data);
78   int multiple_p;
79   int copy_p;
80 };
81
82 typedef struct
83 {
84   Dynarr_declare (ii_keyword_entry);
85 } ii_keyword_entry_dynarr;
86
87 extern const struct struct_description iim_description;
88
89 enum image_instance_geometry
90 {
91   IMAGE_GEOMETRY,
92   IMAGE_DESIRED_GEOMETRY,
93   IMAGE_MIN_GEOMETRY,
94   IMAGE_MAX_GEOMETRY
95 };
96
97 #define IMAGE_UNSPECIFIED_GEOMETRY -1
98 #define IMAGE_UNCHANGED_GEOMETRY -2
99
100 #define WIDGET_BORDER_HEIGHT 4
101 #define WIDGET_BORDER_WIDTH 4
102
103 enum governing_domain
104 {
105   GOVERNING_DOMAIN_WINDOW,
106   GOVERNING_DOMAIN_FRAME,
107   GOVERNING_DOMAIN_DEVICE
108 };
109
110 struct image_instantiator_methods
111 {
112   Lisp_Object symbol;
113
114   Lisp_Object device;           /* sometimes used */
115
116   ii_keyword_entry_dynarr *keywords;
117   /* consoles this ii is supported on */
118   console_type_entry_dynarr *consoles;
119   /* Implementation specific methods: */
120
121   /* Validate method: Given an instantiator vector, signal an error if
122      it's invalid for this image-instantiator format.  Note that this
123      validation only occurs after all the keyword-specific validation
124      has already been performed.  This is chiefly useful for making
125      sure that certain required keywords are present. */
126   void (*validate_method) (Lisp_Object instantiator);
127
128   /* Normalize method: Given an instantiator, convert it to the form
129      that should be used in a glyph, for devices of type CONSOLE_TYPE.
130      Signal an error if conversion fails. */
131   Lisp_Object (*normalize_method) (Lisp_Object instantiator,
132                                    Lisp_Object console_type,
133                                    Lisp_Object dest_mask);
134
135   /* Governing domain method: Return an int indicating what type of
136      domain an instance in this format is governed by. */
137   int (*governing_domain_method) (void);
138
139   /* Possible-dest-types method: Return a mask indicating what dest types
140      are compatible with this format. */
141   int (*possible_dest_types_method) (void);
142
143   /* Instantiate method: Given an instantiator and a partially
144      filled-in image instance, complete the filling-in.  Return
145      non-zero if the instantiation succeeds, 0 if it fails.
146      This must be present. */
147   void (*instantiate_method) (Lisp_Object image_instance,
148                               Lisp_Object instantiator,
149                               Lisp_Object pointer_fg,
150                               Lisp_Object pointer_bg,
151                               int dest_mask,
152                               Lisp_Object domain);
153   /* Post instantiate method: finish instantiation of the image
154      instance. */
155   void (*post_instantiate_method) (Lisp_Object image_instance,
156                                    Lisp_Object instantiator,
157                                    Lisp_Object domain);
158   /* Property method: Given an image instance, return device specific
159      properties. */
160   Lisp_Object (*property_method) (Lisp_Object image_instance,
161                                   Lisp_Object property);
162   /* Set-property method: Given an image instance, set device specific
163      properties. */
164   Lisp_Object (*set_property_method) (Lisp_Object image_instance,
165                                       Lisp_Object property,
166                                       Lisp_Object val);
167   /* Asynchronously update properties. */
168   void (*update_method) (Lisp_Object image_instance,
169                          Lisp_Object instantiator);
170   void (*redisplay_method) (Lisp_Object image_instance);
171
172   /* Find out the desired geometry, as given by disp, of this image
173    instance. Actual geometry is stored in the appropriate slots in the
174    image instance. */
175   void (*query_geometry_method) (Lisp_Object image_instance,
176                                  int* width, int* height,
177                                  enum image_instance_geometry disp,
178                                  Lisp_Object domain);
179
180   /* Layout the instance and its children bounded by the provided
181      dimensions. Returns success or failure. */
182   int (*layout_method) (Lisp_Object image_instance,
183                         int width, int height, int xoffset, int yoffset,
184                         Lisp_Object domain);
185 };
186
187 /***** Calling an image-instantiator method *****/
188
189 #define HAS_IIFORMAT_METH_P(mstruc, m) (((mstruc)->m##_method) != 0)
190 #define IIFORMAT_METH(mstruc, m, args) (((mstruc)->m##_method) args)
191
192 /* Call a void-returning specifier method, if it exists */
193 #define MAYBE_IIFORMAT_METH(mstruc, m, args)                    \
194 do {                                                            \
195   struct image_instantiator_methods *MIM_mstruc = (mstruc);     \
196   if (MIM_mstruc && HAS_IIFORMAT_METH_P (MIM_mstruc, m))        \
197     IIFORMAT_METH (MIM_mstruc, m, args);                        \
198 } while (0)
199
200 #define MAYBE_IIFORMAT_DEVMETH(device, mstruc, m, args) \
201 do {                                                    \
202   struct image_instantiator_methods *MID_mstruc =       \
203     decode_ii_device (device, mstruc);                  \
204   if (MID_mstruc)                                       \
205     MAYBE_IIFORMAT_METH(MID_mstruc, m, args);           \
206 } while (0)
207
208
209 /* Call a specifier method, if it exists; otherwise return
210    the specified value */
211
212 #define IIFORMAT_METH_OR_GIVEN(mstruc, m, args, given)  \
213   ((mstruc && HAS_IIFORMAT_METH_P (mstruc, m)) ?                \
214    IIFORMAT_METH (mstruc, m, args) : (given))
215
216 /***** Defining new image-instantiator types *****/
217
218 #define DECLARE_IMAGE_INSTANTIATOR_FORMAT(format)               \
219 extern struct image_instantiator_methods *format##_image_instantiator_methods
220
221 #define DEFINE_IMAGE_INSTANTIATOR_FORMAT(format)                \
222 struct image_instantiator_methods *format##_image_instantiator_methods
223
224 #define INITIALIZE_IMAGE_INSTANTIATOR_FORMAT_NO_SYM(format, obj_name)   \
225 do {                                                            \
226   format##_image_instantiator_methods =                         \
227     xnew_and_zero (struct image_instantiator_methods);          \
228   format##_image_instantiator_methods->symbol = Q##format;      \
229   format##_image_instantiator_methods->device = Qnil;           \
230   format##_image_instantiator_methods->keywords =               \
231     Dynarr_new (ii_keyword_entry);                              \
232   format##_image_instantiator_methods->consoles =               \
233     Dynarr_new (console_type_entry);                            \
234   add_entry_to_image_instantiator_format_list                   \
235     (Q##format, format##_image_instantiator_methods);           \
236   dumpstruct (&format##_image_instantiator_methods,             \
237               &iim_description);                                \
238 } while (0)
239
240 #define INITIALIZE_IMAGE_INSTANTIATOR_FORMAT(format, obj_name)  \
241 do {                                                            \
242   defsymbol (&Q##format, obj_name);                             \
243   INITIALIZE_IMAGE_INSTANTIATOR_FORMAT_NO_SYM(format, obj_name);\
244 } while (0)
245
246 /* Declare that image-instantiator format FORMAT has method M; used in
247    initialization routines */
248 #define IIFORMAT_HAS_METHOD(format, m) \
249   (format##_image_instantiator_methods->m##_method = format##_##m)
250
251 #define IIFORMAT_HAS_SHARED_METHOD(format, m, type) \
252   (format##_image_instantiator_methods->m##_method = type##_##m)
253
254 /* Declare that KEYW is a valid keyword for image-instantiator format
255    FORMAT.  VALIDATE_FUN if a function that returns whether the data
256    is valid.  The keyword may not appear more than once. */
257 #define IIFORMAT_VALID_GENERIC_KEYWORD(format, keyw, validate_fun, copy, multi) \
258   do {                                                          \
259     struct ii_keyword_entry entry;                              \
260                                                                 \
261     entry.keyword = keyw;                                       \
262     entry.validate = validate_fun;                              \
263     entry.multiple_p = multi;                                   \
264     entry.copy_p = copy;                                        \
265     Dynarr_add (format##_image_instantiator_methods->keywords,  \
266                 entry);                                         \
267   } while (0)
268
269 #define IIFORMAT_VALID_KEYWORD(format, keyw, validate_fun)      \
270 IIFORMAT_VALID_GENERIC_KEYWORD(format, keyw, validate_fun, 1, 0)
271
272 /* Same as IIFORMAT_VALID_KEYWORD except that the keyword may
273    appear multiple times. */
274 #define IIFORMAT_VALID_MULTI_KEYWORD(format, keyw, validate_fun)        \
275 IIFORMAT_VALID_GENERIC_KEYWORD(format, keyw, validate_fun, 1, 1)
276
277 /* Same as IIFORMAT_VALID_KEYWORD except that the argument is not
278    copied by the specifier functions. This is necessary for things
279    like callbacks etc. */
280 #define IIFORMAT_VALID_NONCOPY_KEYWORD(format, keyw, validate_fun)      \
281 IIFORMAT_VALID_GENERIC_KEYWORD(format, keyw, validate_fun, 0, 0)
282
283 /* Declare that image-instantiator format FORMAT is supported on
284    CONSOLE type. */
285 #define IIFORMAT_VALID_CONSOLE(console, format)                 \
286   do {                                                          \
287     struct console_type_entry entry;                            \
288                                                                 \
289     entry.symbol = Q##console;                                  \
290     entry.meths = console##_console_methods;                    \
291     Dynarr_add (format##_image_instantiator_methods->consoles,  \
292                 entry);                                         \
293   } while (0)
294
295 #define IIFORMAT_VALID_CONSOLE2(con1, con2, format)             \
296   IIFORMAT_VALID_CONSOLE (con1, format);                        \
297   IIFORMAT_VALID_CONSOLE (con2, format);
298
299 #define DEFINE_DEVICE_IIFORMAT(type, format)    \
300 DECLARE_IMAGE_INSTANTIATOR_FORMAT(format);      \
301 struct image_instantiator_methods *type##_##format##_image_instantiator_methods
302
303 #define INITIALIZE_DEVICE_IIFORMAT(type, format)                        \
304 do {                                                                    \
305   type##_##format##_image_instantiator_methods =                        \
306     xnew_and_zero (struct image_instantiator_methods);                  \
307   type##_##format##_image_instantiator_methods->symbol = Q##format;     \
308   type##_##format##_image_instantiator_methods->device = Q##type;       \
309   type##_##format##_image_instantiator_methods->keywords =              \
310     Dynarr_new (ii_keyword_entry);                                      \
311   add_entry_to_device_ii_format_list                                    \
312     (Q##type, Q##format, type##_##format##_image_instantiator_methods); \
313   IIFORMAT_VALID_CONSOLE(type,format);                                  \
314   dumpstruct (&type##_##format##_image_instantiator_methods,            \
315               &iim_description);                                        \
316 } while (0)
317
318 /* Declare that image-instantiator format FORMAT has method M; used in
319    initialization routines */
320 #define IIFORMAT_HAS_DEVMETHOD(type, format, m) \
321   (type##_##format##_image_instantiator_methods->m##_method = type##_##format##_##m)
322 #define IIFORMAT_HAS_SHARED_DEVMETHOD(type, format, m, fromformat) \
323   (type##_##format##_image_instantiator_methods->m##_method = type##_##fromformat##_##m)
324
325 #define IIFORMAT_INHERITS_DEVMETHOD(type, from, format, m) \
326   (type##_##format##_image_instantiator_methods->m##_method = from##_##format##_##m)
327 #define IIFORMAT_INHERITS_SHARED_DEVMETHOD(type, from, format, m, fromformat) \
328   (type##_##format##_image_instantiator_methods->m##_method = from##_##fromformat##_##m)
329
330 struct image_instantiator_methods *
331 decode_device_ii_format (Lisp_Object device, Lisp_Object format,
332                          Error_behavior errb);
333 struct image_instantiator_methods *
334 decode_image_instantiator_format (Lisp_Object format, Error_behavior errb);
335
336 void add_entry_to_image_instantiator_format_list (Lisp_Object symbol,
337                         struct image_instantiator_methods *meths);
338 void add_entry_to_device_ii_format_list (Lisp_Object device, Lisp_Object symbol,
339                         struct image_instantiator_methods *meths);
340 Lisp_Object find_keyword_in_vector (Lisp_Object vector,
341                                     Lisp_Object keyword);
342 Lisp_Object find_keyword_in_vector_or_given (Lisp_Object vector,
343                                              Lisp_Object keyword,
344                                              Lisp_Object default_);
345 Lisp_Object simple_image_type_normalize (Lisp_Object inst,
346                                          Lisp_Object console_type,
347                                          Lisp_Object image_type_tag);
348 Lisp_Object potential_pixmap_file_instantiator (Lisp_Object instantiator,
349                                                 Lisp_Object file_keyword,
350                                                 Lisp_Object data_keyword,
351                                                 Lisp_Object console_type);
352 void check_valid_string (Lisp_Object data);
353 void check_valid_int (Lisp_Object data);
354 void check_valid_face (Lisp_Object data);
355 void check_valid_vector (Lisp_Object data);
356 void check_valid_item_list (Lisp_Object items);
357
358 void initialize_subwindow_image_instance (Lisp_Image_Instance*);
359 void subwindow_instantiate (Lisp_Object image_instance, Lisp_Object instantiator,
360                             Lisp_Object pointer_fg, Lisp_Object pointer_bg,
361                             int dest_mask, Lisp_Object domain);
362 int subwindow_governing_domain (void);
363 void widget_instantiate (Lisp_Object image_instance, Lisp_Object instantiator,
364                          Lisp_Object pointer_fg, Lisp_Object pointer_bg,
365                          int dest_mask, Lisp_Object domain);
366 void image_instance_query_geometry (Lisp_Object image_instance,
367                                     int* width, int* height,
368                                     enum image_instance_geometry disp,
369                                     Lisp_Object domain);
370 void image_instance_layout (Lisp_Object image_instance,
371                             int width, int height, int xoffset, int yoffset,
372                             Lisp_Object domain);
373 int layout_layout (Lisp_Object image_instance,
374                    int width, int height, int xoffset, int yoffset,
375                    Lisp_Object domain);
376 int invalidate_glyph_geometry_maybe (Lisp_Object glyph_or_ii, struct window* w);
377
378 DECLARE_DOESNT_RETURN (incompatible_image_types (Lisp_Object instantiator,
379                                                  int given_dest_mask,
380                                                  int desired_dest_mask));
381 DECLARE_DOESNT_RETURN (signal_image_error (const char *, Lisp_Object));
382 DECLARE_DOESNT_RETURN (signal_image_error_2 (const char *, Lisp_Object, Lisp_Object));
383
384 /************************************************************************/
385 /*                      Image Specifier Object                          */
386 /************************************************************************/
387
388 DECLARE_SPECIFIER_TYPE (image);
389 #define XIMAGE_SPECIFIER(x) XSPECIFIER_TYPE (x, image)
390 #define XSETIMAGE_SPECIFIER(x, p) XSETSPECIFIER_TYPE (x, p, image)
391 #define IMAGE_SPECIFIERP(x) SPECIFIER_TYPEP (x, image)
392 #define CHECK_IMAGE_SPECIFIER(x) CHECK_SPECIFIER_TYPE (x, image)
393 #define CONCHECK_IMAGE_SPECIFIER(x) CONCHECK_SPECIFIER_TYPE (x, image)
394
395 void set_image_attached_to (Lisp_Object obj, Lisp_Object face_or_glyph,
396                             Lisp_Object property);
397
398 struct image_specifier
399 {
400   int allowed;
401   Lisp_Object attachee;         /* face or glyph this is attached to, or nil */
402   Lisp_Object attachee_property;/* property of that face or glyph */
403 };
404
405 #define IMAGE_SPECIFIER_DATA(g) (SPECIFIER_TYPE_DATA (g, image))
406 #define IMAGE_SPECIFIER_ALLOWED(g) (IMAGE_SPECIFIER_DATA (g)->allowed)
407 #define IMAGE_SPECIFIER_ATTACHEE(g) (IMAGE_SPECIFIER_DATA (g)->attachee)
408 #define IMAGE_SPECIFIER_ATTACHEE_PROPERTY(g) \
409   (IMAGE_SPECIFIER_DATA (g)->attachee_property)
410
411 #define XIMAGE_SPECIFIER_ALLOWED(g) \
412   IMAGE_SPECIFIER_ALLOWED (XIMAGE_SPECIFIER (g))
413
414 /************************************************************************/
415 /*                      Image Instance Object                           */
416 /************************************************************************/
417
418 DECLARE_LRECORD (image_instance, Lisp_Image_Instance);
419 #define XIMAGE_INSTANCE(x) XRECORD (x, image_instance, Lisp_Image_Instance)
420 #define XSETIMAGE_INSTANCE(x, p) XSETRECORD (x, p, image_instance)
421 #define IMAGE_INSTANCEP(x) RECORDP (x, image_instance)
422 #define CHECK_IMAGE_INSTANCE(x) CHECK_RECORD (x, image_instance)
423 #define CONCHECK_IMAGE_INSTANCE(x) CONCHECK_RECORD (x, image_instance)
424
425 #ifdef ERROR_CHECK_GLYPHS
426 void check_image_instance_structure (Lisp_Object instance);
427 void check_window_subwindow_cache (struct window* w);
428 #define ERROR_CHECK_IMAGE_INSTANCE(ii) \
429   check_image_instance_structure (ii)
430 #define ERROR_CHECK_SUBWINDOW_CACHE(w) \
431   check_window_subwindow_cache (w)
432 #else
433 #define ERROR_CHECK_IMAGE_INSTANCE(ii)
434 #define ERROR_CHECK_SUBWINDOW_CACHE(w)
435 #endif
436
437 enum image_instance_type
438 {
439   IMAGE_UNKNOWN,
440   IMAGE_NOTHING,
441   IMAGE_TEXT,
442   IMAGE_MONO_PIXMAP,
443   IMAGE_COLOR_PIXMAP,
444   IMAGE_POINTER,
445   IMAGE_SUBWINDOW,
446   IMAGE_WIDGET
447 };
448
449 #define IMAGE_NOTHING_MASK (1 << 0)
450 #define IMAGE_TEXT_MASK (1 << 1)
451 #define IMAGE_MONO_PIXMAP_MASK (1 << 2)
452 #define IMAGE_COLOR_PIXMAP_MASK (1 << 3)
453 #define IMAGE_POINTER_MASK (1 << 4)
454 #define IMAGE_SUBWINDOW_MASK (1 << 5)
455 #define IMAGE_WIDGET_MASK (1 << 6)
456
457 /* This depends on the fact that enums are assigned consecutive
458    integers starting at 0. (Remember that IMAGE_UNKNOWN is the
459    first enum.) I'm fairly sure this behavior is ANSI-mandated,
460    so there should be no portability problems here. */
461 #define image_instance_type_to_mask(type) \
462   ((int) (1 << ((int) (type) - 1)))
463
464 #define IMAGE_INSTANCE_TYPE_P(ii, type) \
465 (IMAGE_INSTANCEP (ii) && XIMAGE_INSTANCE_TYPE (ii) == type)
466
467 #define NOTHING_IMAGE_INSTANCEP(ii) \
468      IMAGE_INSTANCE_TYPE_P (ii, IMAGE_NOTHING)
469 #define TEXT_IMAGE_INSTANCEP(ii) \
470      IMAGE_INSTANCE_TYPE_P (ii, IMAGE_TEXT)
471 #define MONO_PIXMAP_IMAGE_INSTANCEP(ii) \
472      IMAGE_INSTANCE_TYPE_P (ii, IMAGE_MONO_PIXMAP)
473 #define COLOR_PIXMAP_IMAGE_INSTANCEP(ii) \
474      IMAGE_INSTANCE_TYPE_P (ii, IMAGE_COLOR_PIXMAP)
475 #define POINTER_IMAGE_INSTANCEP(ii) \
476      IMAGE_INSTANCE_TYPE_P (ii, IMAGE_POINTER)
477 #define SUBWINDOW_IMAGE_INSTANCEP(ii) \
478      IMAGE_INSTANCE_TYPE_P (ii, IMAGE_SUBWINDOW)
479 #define WIDGET_IMAGE_INSTANCEP(ii) \
480      IMAGE_INSTANCE_TYPE_P (ii, IMAGE_WIDGET)
481
482 #define CHECK_NOTHING_IMAGE_INSTANCE(x) do {                    \
483   CHECK_IMAGE_INSTANCE (x);                                     \
484   if (!NOTHING_IMAGE_INSTANCEP (x))                             \
485     x = wrong_type_argument (Qnothing_image_instance_p, (x));   \
486 } while (0)
487
488 #define CHECK_TEXT_IMAGE_INSTANCE(x) do {                       \
489   CHECK_IMAGE_INSTANCE (x);                                     \
490   if (!TEXT_IMAGE_INSTANCEP (x))                                \
491     x = wrong_type_argument (Qtext_image_instance_p, (x));      \
492 } while (0)
493
494 #define CHECK_MONO_PIXMAP_IMAGE_INSTANCE(x) do {                        \
495   CHECK_IMAGE_INSTANCE (x);                                             \
496   if (!MONO_PIXMAP_IMAGE_INSTANCEP (x))                                 \
497     x = wrong_type_argument (Qmono_pixmap_image_instance_p, (x));       \
498 } while (0)
499
500 #define CHECK_COLOR_PIXMAP_IMAGE_INSTANCE(x) do {                       \
501   CHECK_IMAGE_INSTANCE (x);                                             \
502   if (!COLOR_PIXMAP_IMAGE_INSTANCEP (x))                                \
503     x = wrong_type_argument (Qcolor_pixmap_image_instance_p, (x));      \
504 } while (0)
505
506 #define CHECK_POINTER_IMAGE_INSTANCE(x) do {                    \
507   CHECK_IMAGE_INSTANCE (x);                                     \
508   if (!POINTER_IMAGE_INSTANCEP (x))                             \
509     x = wrong_type_argument (Qpointer_image_instance_p, (x));   \
510 } while (0)
511
512 #define CHECK_SUBWINDOW_IMAGE_INSTANCE(x) do {                  \
513   CHECK_IMAGE_INSTANCE (x);                                     \
514   if (!SUBWINDOW_IMAGE_INSTANCEP (x)                            \
515       && !WIDGET_IMAGE_INSTANCEP (x))                           \
516     x = wrong_type_argument (Qsubwindow_image_instance_p, (x)); \
517 } while (0)
518
519 #define CHECK_WIDGET_IMAGE_INSTANCE(x) do {                     \
520   CHECK_IMAGE_INSTANCE (x);                                     \
521   if (!WIDGET_IMAGE_INSTANCEP (x))                              \
522     x = wrong_type_argument (Qwidget_image_instance_p, (x));    \
523 } while (0)
524
525 struct Lisp_Image_Instance
526 {
527   struct lcrecord_header header;
528   Lisp_Object domain;           /* The domain in which we were cached. */
529   Lisp_Object device;           /* The device of the domain. Recorded
530                                    since the domain may get deleted
531                                    before us. */
532   Lisp_Object name;
533   /* The glyph from which we were instantiated. This is a weak
534      reference. */
535   Lisp_Object parent;
536   /* The instantiator from which we were instantiated. */
537   Lisp_Object instantiator;
538   enum image_instance_type type;
539   unsigned int x_offset, y_offset;      /* for layout purposes */
540   int width, height, margin_width;
541   unsigned long display_hash; /* Hash value representing the structure
542                                  of the image_instance when it was
543                                  last displayed. */
544   unsigned int dirty : 1;
545   unsigned int size_changed : 1;
546   unsigned int text_changed : 1;
547   unsigned int layout_changed : 1;
548   unsigned int optimize_output : 1; /* For outputting layouts. */
549   unsigned int initialized : 1; /* When we're fully done. */
550   unsigned int wants_initial_focus : 1;
551
552   union
553   {
554     struct
555     {
556       unsigned int descent;
557       Lisp_Object string;
558     } text;
559     struct
560     {
561       unsigned int depth;
562       unsigned int slice, maxslice, timeout;
563       Lisp_Object hotspot_x, hotspot_y; /* integer or Qnil */
564       Lisp_Object filename;      /* string or Qnil */
565       Lisp_Object mask_filename; /* string or Qnil */
566       Lisp_Object fg, bg; /* foreground and background colors,
567                              if this is a colorized mono-pixmap
568                              or a pointer */
569       Lisp_Object auxdata;    /* list or Qnil: any additional data
570                                  to be seen from lisp */
571       void* mask;               /* mask that can be seen from all windowing systems */
572     } pixmap; /* used for pointers as well */
573     struct
574     {
575       void* subwindow;          /* specific devices can use this as necessary */
576       struct
577       {                         /* We need these so we can do without
578                                    subwindow_cachel */
579         unsigned int x, y;
580         unsigned int width, height;
581       } display_data;
582       unsigned int being_displayed : 1; /* used to detect when needs
583                                            to be unmapped */
584       unsigned int v_resize : 1;        /* Whether the vsize is allowed to change. */
585       unsigned int h_resize : 1;        /* Whether the hsize is allowed to change. */
586       unsigned int orientation : 1; /* Vertical or horizontal. */
587       unsigned int justification : 2; /* Left, right or center. */
588       /* Face for colors and font. We specify this here because we
589          want people to be able to put :face in the instantiator
590          spec. Using glyph-face is more inconvenient, although more
591          general. */
592       Lisp_Object face;
593       Lisp_Object type;
594       Lisp_Object props;        /* properties or border*/
595       Lisp_Object items;        /* a list of displayed gui_items */
596       Lisp_Object pending_items; /* gui_items that should be displayed */
597       Lisp_Object children;     /* a list of children */
598       Lisp_Object width;        /* dynamic width spec. */
599       Lisp_Object height;       /* dynamic height spec. */
600       /* Change flags to augment dirty. */
601       unsigned int face_changed : 1;
602       unsigned int items_changed : 1;
603       unsigned int action_occurred : 1;
604     } subwindow;
605   } u;
606
607   /* console-type- and image-type-specific data */
608   void *data;
609 };
610
611 /* Layout bit-fields. */
612 #define LAYOUT_HORIZONTAL       0
613 #define LAYOUT_VERTICAL 1
614
615 #define LAYOUT_JUSTIFY_LEFT 0
616 #define LAYOUT_JUSTIFY_RIGHT 1
617 #define LAYOUT_JUSTIFY_CENTER 2
618
619 #define IMAGE_INSTANCE_HASH_DEPTH 0
620
621 /* Accessor macros. */
622 #define IMAGE_INSTANCE_DOMAIN(i) ((i)->domain)
623 #define IMAGE_INSTANCE_DOMAIN_LIVE_P(i) (DOMAIN_LIVE_P ((i)->domain))
624 #define IMAGE_INSTANCE_DEVICE(i) ((i)->device)
625 #define IMAGE_INSTANCE_FRAME(i) (DOMAIN_FRAME ((i)->domain))
626 #define IMAGE_INSTANCE_NAME(i) ((i)->name)
627 #define IMAGE_INSTANCE_PARENT(i) ((i)->parent)
628 #define IMAGE_INSTANCE_INSTANTIATOR(i) ((i)->instantiator)
629 #define IMAGE_INSTANCE_GLYPH(i) (image_instance_parent_glyph(i))
630 #define IMAGE_INSTANCE_TYPE(i) ((i)->type)
631 #define IMAGE_INSTANCE_XOFFSET(i) ((i)->x_offset)
632 #define IMAGE_INSTANCE_YOFFSET(i) ((i)->y_offset)
633 #define IMAGE_INSTANCE_WIDTH(i) ((i)->width)
634 #define IMAGE_INSTANCE_MARGIN_WIDTH(i) ((i)->margin_width)
635 #define IMAGE_INSTANCE_HEIGHT(i) ((i)->height)
636 #define IMAGE_INSTANCE_INITIALIZED(i) ((i)->initialized)
637 #define IMAGE_INSTANCE_DISPLAY_HASH(i) ((i)->display_hash)
638 #define IMAGE_INSTANCE_PIXMAP_TYPE_P(i)                 \
639  ((IMAGE_INSTANCE_TYPE (i) == IMAGE_MONO_PIXMAP)        \
640   || (IMAGE_INSTANCE_TYPE (i) == IMAGE_COLOR_PIXMAP))
641 #define IMAGE_INSTANCE_DIRTYP(i) ((i)->dirty)
642 #define IMAGE_INSTANCE_NEEDS_LAYOUT(i) \
643   ((IMAGE_INSTANCE_DIRTYP (i) && IMAGE_INSTANCE_LAYOUT_CHANGED (i)) \
644    || (FRAMEP (IMAGE_INSTANCE_FRAME (i)) \
645        && XFRAME (IMAGE_INSTANCE_FRAME (i))->size_changed))
646 #define IMAGE_INSTANCE_FACE(i) \
647   (GLYPHP (IMAGE_INSTANCE_GLYPH (i)) ? \
648    XGLYPH_FACE (IMAGE_INSTANCE_GLYPH (i)) : Qnil)
649 #define IMAGE_INSTANCE_WANTS_INITIAL_FOCUS(i) ((i)->wants_initial_focus)
650
651 /* Changed flags */
652 #define IMAGE_INSTANCE_TEXT_CHANGED(i) ((i)->text_changed)
653 #define IMAGE_INSTANCE_SIZE_CHANGED(i) ((i)->size_changed)
654 #define IMAGE_INSTANCE_WIDGET_FACE_CHANGED(i) \
655   ((i)->u.subwindow.face_changed)
656 #define IMAGE_INSTANCE_WIDGET_ITEMS_CHANGED(i) \
657   ((i)->u.subwindow.items_changed)
658 #define IMAGE_INSTANCE_WIDGET_ACTION_OCCURRED(i) \
659   ((i)->u.subwindow.action_occurred)
660 #define IMAGE_INSTANCE_LAYOUT_CHANGED(i) ((i)->layout_changed)
661 #define IMAGE_INSTANCE_OPTIMIZE_OUTPUT(i) ((i)->optimize_output)
662
663 /* Text properties */
664 #define IMAGE_INSTANCE_TEXT_STRING(i) ((i)->u.text.string)
665 #define IMAGE_INSTANCE_TEXT_WIDTH(i) \
666   IMAGE_INSTANCE_WIDTH(i)
667 #define IMAGE_INSTANCE_TEXT_HEIGHT(i) \
668   IMAGE_INSTANCE_HEIGHT(i)
669 #define IMAGE_INSTANCE_TEXT_DESCENT(i) ((i)->u.text.descent)
670 #define IMAGE_INSTANCE_TEXT_ASCENT(i) \
671   (IMAGE_INSTANCE_TEXT_HEIGHT(i) - IMAGE_INSTANCE_TEXT_DESCENT(i))
672
673 /* Pixmap properties */
674 #define IMAGE_INSTANCE_PIXMAP_WIDTH(i) \
675   IMAGE_INSTANCE_WIDTH(i)
676 #define IMAGE_INSTANCE_PIXMAP_HEIGHT(i) \
677   IMAGE_INSTANCE_HEIGHT(i)
678 #define IMAGE_INSTANCE_PIXMAP_DEPTH(i) ((i)->u.pixmap.depth)
679 #define IMAGE_INSTANCE_PIXMAP_FILENAME(i) ((i)->u.pixmap.filename)
680 #define IMAGE_INSTANCE_PIXMAP_MASK_FILENAME(i) ((i)->u.pixmap.mask_filename)
681 #define IMAGE_INSTANCE_PIXMAP_HOTSPOT_X(i) ((i)->u.pixmap.hotspot_x)
682 #define IMAGE_INSTANCE_PIXMAP_HOTSPOT_Y(i) ((i)->u.pixmap.hotspot_y)
683 #define IMAGE_INSTANCE_PIXMAP_FG(i) ((i)->u.pixmap.fg)
684 #define IMAGE_INSTANCE_PIXMAP_BG(i) ((i)->u.pixmap.bg)
685 #define IMAGE_INSTANCE_PIXMAP_AUXDATA(i) ((i)->u.pixmap.auxdata)
686 #define IMAGE_INSTANCE_PIXMAP_MASK(i) ((i)->u.pixmap.mask)
687 #define IMAGE_INSTANCE_PIXMAP_SLICE(i) ((i)->u.pixmap.slice)
688 #define IMAGE_INSTANCE_PIXMAP_MAXSLICE(i) ((i)->u.pixmap.maxslice)
689 #define IMAGE_INSTANCE_PIXMAP_TIMEOUT(i) ((i)->u.pixmap.timeout)
690
691 /* Subwindow properties */
692 #define IMAGE_INSTANCE_SUBWINDOW_ID(i) ((i)->u.subwindow.subwindow)
693 /* Display data. */
694 #define IMAGE_INSTANCE_DISPLAY_X(i) ((i)->u.subwindow.display_data.x)
695 #define IMAGE_INSTANCE_DISPLAY_Y(i) ((i)->u.subwindow.display_data.y)
696 #define IMAGE_INSTANCE_DISPLAY_WIDTH(i) \
697   ((i)->u.subwindow.display_data.width)
698 #define IMAGE_INSTANCE_DISPLAY_HEIGHT(i) \
699   ((i)->u.subwindow.display_data.height)
700 #define IMAGE_INSTANCE_SUBWINDOW_DISPLAYEDP(i) \
701 ((i)->u.subwindow.being_displayed)
702 #define IMAGE_INSTANCE_SUBWINDOW_V_RESIZEP(i) \
703 ((i)->u.subwindow.v_resize)
704 #define IMAGE_INSTANCE_SUBWINDOW_H_RESIZEP(i) \
705 ((i)->u.subwindow.h_resize)
706 #define IMAGE_INSTANCE_SUBWINDOW_ORIENT(i) \
707 ((i)->u.subwindow.orientation)
708 #define IMAGE_INSTANCE_SUBWINDOW_JUSTIFY(i) \
709 ((i)->u.subwindow.justification)
710 #define IMAGE_INSTANCE_SUBWINDOW_FACE(i) \
711 ((i)->u.subwindow.face)
712
713 /* Widget properties */
714 #define IMAGE_INSTANCE_WIDGET_WIDTH(i) \
715   IMAGE_INSTANCE_WIDTH(i)
716 #define IMAGE_INSTANCE_WIDGET_HEIGHT(i) \
717   IMAGE_INSTANCE_HEIGHT(i)
718 #define IMAGE_INSTANCE_WIDGET_WIDTH_SUBR(i) ((i)->u.subwindow.width)
719 #define IMAGE_INSTANCE_WIDGET_HEIGHT_SUBR(i) ((i)->u.subwindow.height)
720 #define IMAGE_INSTANCE_WIDGET_TYPE(i) ((i)->u.subwindow.type)
721 #define IMAGE_INSTANCE_WIDGET_PROPS(i) ((i)->u.subwindow.props)
722 #define SET_IMAGE_INSTANCE_WIDGET_FACE(i,f) \
723  ((i)->u.subwindow.face = f)
724 #define IMAGE_INSTANCE_WIDGET_FACE(i)                           \
725   (!NILP ((i)->u.subwindow.face) ? (i)->u.subwindow.face :      \
726   !NILP (IMAGE_INSTANCE_FACE (i)) ? IMAGE_INSTANCE_FACE (i) :   \
727   Vwidget_face)
728 #define IMAGE_INSTANCE_WIDGET_ITEMS(i) ((i)->u.subwindow.items)
729 #define IMAGE_INSTANCE_WIDGET_PENDING_ITEMS(i) \
730   ((i)->u.subwindow.pending_items)
731 #define IMAGE_INSTANCE_WIDGET_ITEM(i)           \
732   (CONSP (IMAGE_INSTANCE_WIDGET_ITEMS (i)) ?    \
733    XCAR (IMAGE_INSTANCE_WIDGET_ITEMS (i)) :     \
734    IMAGE_INSTANCE_WIDGET_ITEMS (i))
735 #define IMAGE_INSTANCE_WIDGET_TEXT(i) \
736    XGUI_ITEM (IMAGE_INSTANCE_WIDGET_ITEM (i))->name
737
738 /* Layout properties */
739 #define IMAGE_INSTANCE_LAYOUT_CHILDREN(i) ((i)->u.subwindow.children)
740 #define IMAGE_INSTANCE_LAYOUT_BORDER(i) ((i)->u.subwindow.props)
741
742 #define XIMAGE_INSTANCE_DOMAIN(i) \
743   IMAGE_INSTANCE_DOMAIN (XIMAGE_INSTANCE (i))
744 #define XIMAGE_INSTANCE_DOMAIN_LIVE_P(i) \
745   IMAGE_INSTANCE_DOMAIN_LIVE_P (XIMAGE_INSTANCE (i))
746 #define XIMAGE_INSTANCE_DEVICE(i) \
747   IMAGE_INSTANCE_DEVICE (XIMAGE_INSTANCE (i))
748 #define XIMAGE_INSTANCE_FRAME(i) \
749   IMAGE_INSTANCE_FRAME (XIMAGE_INSTANCE (i))
750 #define XIMAGE_INSTANCE_NAME(i) \
751   IMAGE_INSTANCE_NAME (XIMAGE_INSTANCE (i))
752 #define XIMAGE_INSTANCE_GLYPH(i) \
753   IMAGE_INSTANCE_GLYPH (XIMAGE_INSTANCE (i))
754 #define XIMAGE_INSTANCE_PARENT(i) \
755   IMAGE_INSTANCE_PARENT (XIMAGE_INSTANCE (i))
756 #define XIMAGE_INSTANCE_INSTANTIATOR(i) \
757   IMAGE_INSTANCE_INSTANTIATOR (XIMAGE_INSTANCE (i))
758 #define XIMAGE_INSTANCE_TYPE(i) \
759   IMAGE_INSTANCE_TYPE (XIMAGE_INSTANCE (i))
760 #define XIMAGE_INSTANCE_DISPLAY_HASH(i) \
761   IMAGE_INSTANCE_DISPLAY_HASH (XIMAGE_INSTANCE (i))
762 #define XIMAGE_INSTANCE_XOFFSET(i) \
763   IMAGE_INSTANCE_XOFFSET (XIMAGE_INSTANCE (i))
764 #define XIMAGE_INSTANCE_YOFFSET(i) \
765   IMAGE_INSTANCE_YOFFSET (XIMAGE_INSTANCE (i))
766 #define XIMAGE_INSTANCE_DIRTYP(i) \
767   IMAGE_INSTANCE_DIRTYP (XIMAGE_INSTANCE (i))
768 #define XIMAGE_INSTANCE_NEEDS_LAYOUT(i) \
769   IMAGE_INSTANCE_NEEDS_LAYOUT (XIMAGE_INSTANCE (i))
770 #define XIMAGE_INSTANCE_WIDTH(i) \
771   IMAGE_INSTANCE_WIDTH (XIMAGE_INSTANCE (i))
772 #define XIMAGE_INSTANCE_MARGIN_WIDTH(i) \
773   IMAGE_INSTANCE_MARGIN_WIDTH (XIMAGE_INSTANCE (i))
774 #define XIMAGE_INSTANCE_HEIGHT(i) \
775   IMAGE_INSTANCE_HEIGHT (XIMAGE_INSTANCE (i))
776 #define XIMAGE_INSTANCE_INITIALIZED(i) \
777   IMAGE_INSTANCE_INITIALIZED (XIMAGE_INSTANCE (i))
778 #define XIMAGE_INSTANCE_FACE(i) \
779   IMAGE_INSTANCE_FACE (XIMAGE_INSTANCE (i))
780
781 #define XIMAGE_INSTANCE_TEXT_STRING(i) \
782   IMAGE_INSTANCE_TEXT_STRING (XIMAGE_INSTANCE (i))
783 #define XIMAGE_INSTANCE_TEXT_WIDTH(i) \
784   IMAGE_INSTANCE_TEXT_WIDTH (XIMAGE_INSTANCE (i))
785 #define XIMAGE_INSTANCE_TEXT_HEIGHT(i) \
786   IMAGE_INSTANCE_TEXT_HEIGHT (XIMAGE_INSTANCE (i))
787 #define XIMAGE_INSTANCE_TEXT_ASCENT(i) \
788   IMAGE_INSTANCE_TEXT_ASCENT (XIMAGE_INSTANCE (i))
789 #define XIMAGE_INSTANCE_TEXT_DESCENT(i) \
790   IMAGE_INSTANCE_TEXT_DESCENT (XIMAGE_INSTANCE (i))
791
792 #define XIMAGE_INSTANCE_PIXMAP_WIDTH(i) \
793   IMAGE_INSTANCE_PIXMAP_WIDTH (XIMAGE_INSTANCE (i))
794 #define XIMAGE_INSTANCE_PIXMAP_HEIGHT(i) \
795   IMAGE_INSTANCE_PIXMAP_HEIGHT (XIMAGE_INSTANCE (i))
796 #define XIMAGE_INSTANCE_PIXMAP_DEPTH(i) \
797   IMAGE_INSTANCE_PIXMAP_DEPTH (XIMAGE_INSTANCE (i))
798 #define XIMAGE_INSTANCE_PIXMAP_FILENAME(i) \
799   IMAGE_INSTANCE_PIXMAP_FILENAME (XIMAGE_INSTANCE (i))
800 #define XIMAGE_INSTANCE_PIXMAP_MASK_FILENAME(i) \
801   IMAGE_INSTANCE_PIXMAP_MASK_FILENAME (XIMAGE_INSTANCE (i))
802 #define XIMAGE_INSTANCE_PIXMAP_HOTSPOT_X(i) \
803   IMAGE_INSTANCE_PIXMAP_HOTSPOT_X (XIMAGE_INSTANCE (i))
804 #define XIMAGE_INSTANCE_PIXMAP_HOTSPOT_Y(i) \
805   IMAGE_INSTANCE_PIXMAP_HOTSPOT_Y (XIMAGE_INSTANCE (i))
806 #define XIMAGE_INSTANCE_PIXMAP_FG(i) \
807   IMAGE_INSTANCE_PIXMAP_FG (XIMAGE_INSTANCE (i))
808 #define XIMAGE_INSTANCE_PIXMAP_BG(i) \
809   IMAGE_INSTANCE_PIXMAP_BG (XIMAGE_INSTANCE (i))
810 #define XIMAGE_INSTANCE_PIXMAP_MASK(i) \
811   IMAGE_INSTANCE_PIXMAP_MASK (XIMAGE_INSTANCE (i))
812 #define XIMAGE_INSTANCE_PIXMAP_SLICE(i) \
813   IMAGE_INSTANCE_PIXMAP_SLICE (XIMAGE_INSTANCE (i))
814 #define XIMAGE_INSTANCE_PIXMAP_MAXSLICE(i) \
815   IMAGE_INSTANCE_PIXMAP_MAXSLICE (XIMAGE_INSTANCE (i))
816 #define XIMAGE_INSTANCE_PIXMAP_TIMEOUT(i) \
817   IMAGE_INSTANCE_PIXMAP_TIMEOUT (XIMAGE_INSTANCE (i))
818
819 #define XIMAGE_INSTANCE_WIDGET_WIDTH(i) \
820   IMAGE_INSTANCE_WIDGET_WIDTH (XIMAGE_INSTANCE (i))
821 #define XIMAGE_INSTANCE_WIDGET_HEIGHT(i) \
822   IMAGE_INSTANCE_WIDGET_HEIGHT (XIMAGE_INSTANCE (i))
823 #define XIMAGE_INSTANCE_WIDGET_WIDTH_SUBR(i) \
824   IMAGE_INSTANCE_WIDGET_WIDTH_SUBR (XIMAGE_INSTANCE (i))
825 #define XIMAGE_INSTANCE_WIDGET_HEIGHT_SUBR(i) \
826   IMAGE_INSTANCE_WIDGET_HEIGHT_SUBR (XIMAGE_INSTANCE (i))
827 #define XIMAGE_INSTANCE_WIDGET_TYPE(i) \
828   IMAGE_INSTANCE_WIDGET_TYPE (XIMAGE_INSTANCE (i))
829 #define XIMAGE_INSTANCE_WIDGET_PROPS(i) \
830   IMAGE_INSTANCE_WIDGET_PROPS (XIMAGE_INSTANCE (i))
831 #define XIMAGE_INSTANCE_WIDGET_FACE(i) \
832   IMAGE_INSTANCE_WIDGET_FACE (XIMAGE_INSTANCE (i))
833 #define XSET_IMAGE_INSTANCE_WIDGET_FACE(i) \
834   SET_IMAGE_INSTANCE_WIDGET_FACE (XIMAGE_INSTANCE (i))
835 #define XIMAGE_INSTANCE_WIDGET_ITEM(i) \
836   IMAGE_INSTANCE_WIDGET_ITEM (XIMAGE_INSTANCE (i))
837 #define XIMAGE_INSTANCE_WIDGET_ITEMS(i) \
838   IMAGE_INSTANCE_WIDGET_ITEMS (XIMAGE_INSTANCE (i))
839 #define XIMAGE_INSTANCE_WIDGET_PENDING_ITEMS(i) \
840   IMAGE_INSTANCE_WIDGET_PENDING_ITEMS (XIMAGE_INSTANCE (i))
841 #define XIMAGE_INSTANCE_WIDGET_TEXT(i) \
842   IMAGE_INSTANCE_WIDGET_TEXT (XIMAGE_INSTANCE (i))
843 #define XIMAGE_INSTANCE_WIDGET_ACTION_OCCURRED(i) \
844   IMAGE_INSTANCE_WIDGET_ACTION_OCCURRED (XIMAGE_INSTANCE (i))
845
846 #define XIMAGE_INSTANCE_LAYOUT_CHILDREN(i) \
847   IMAGE_INSTANCE_LAYOUT_CHILDREN (XIMAGE_INSTANCE (i))
848 #define XIMAGE_INSTANCE_LAYOUT_BORDER(i) \
849   IMAGE_INSTANCE_LAYOUT_BORDER (XIMAGE_INSTANCE (i))
850
851 #define XIMAGE_INSTANCE_SUBWINDOW_ID(i) \
852   IMAGE_INSTANCE_SUBWINDOW_ID (XIMAGE_INSTANCE (i))
853 #define XIMAGE_INSTANCE_DISPLAY_X(i) \
854   IMAGE_INSTANCE_DISPLAY_X (XIMAGE_INSTANCE (i))
855 #define XIMAGE_INSTANCE_DISPLAY_Y(i) \
856   IMAGE_INSTANCE_DISPLAY_Y (XIMAGE_INSTANCE (i))
857 #define XIMAGE_INSTANCE_DISPLAY_WIDTH(i) \
858   IMAGE_INSTANCE_DISPLAY_WIDTH (XIMAGE_INSTANCE (i))
859 #define XIMAGE_INSTANCE_DISPLAY_HEIGHT(i) \
860   IMAGE_INSTANCE_DISPLAY_HEIGHT (XIMAGE_INSTANCE (i))
861 #define XIMAGE_INSTANCE_SUBWINDOW_DISPLAYEDP(i) \
862   IMAGE_INSTANCE_SUBWINDOW_DISPLAYEDP (XIMAGE_INSTANCE (i))
863 #define XIMAGE_INSTANCE_SUBWINDOW_ORIENT(i) \
864   IMAGE_INSTANCE_SUBWINDOW_ORIENT (XIMAGE_INSTANCE (i))
865 #define XIMAGE_INSTANCE_SUBWINDOW_JUSTIFY(i) \
866   IMAGE_INSTANCE_SUBWINDOW_JUSTIFY (XIMAGE_INSTANCE (i))
867 #define XIMAGE_INSTANCE_SUBWINDOW_FACE(i) \
868   IMAGE_INSTANCE_SUBWINDOW_FACE (XIMAGE_INSTANCE (i))
869
870 #define MARK_IMAGE_INSTANCE_CHANGED(i) \
871   (IMAGE_INSTANCE_DIRTYP (i) = 1);
872
873 Lisp_Object image_instance_device (Lisp_Object instance);
874 Lisp_Object image_instance_frame (Lisp_Object instance);
875 Lisp_Object image_instance_window (Lisp_Object instance);
876 int image_instance_live_p (Lisp_Object instance);
877
878 #ifdef HAVE_XPM
879 Lisp_Object evaluate_xpm_color_symbols (void);
880 Lisp_Object pixmap_to_lisp_data (Lisp_Object name, int ok_if_data_invalid);
881 #endif /* HAVE_XPM */
882 #ifdef HAVE_WINDOW_SYSTEM
883 Lisp_Object bitmap_to_lisp_data (Lisp_Object name, int *xhot, int *yhot,
884                                  int ok_if_data_invalid);
885 int read_bitmap_data_from_file (const char *filename, unsigned int *width,
886                                 unsigned int *height, unsigned char **datap,
887                                 int *x_hot, int *y_hot);
888 Lisp_Object xbm_mask_file_munging (Lisp_Object alist, Lisp_Object file,
889                                    Lisp_Object mask_file,
890                                    Lisp_Object console_type);
891 #endif
892
893 /************************************************************************/
894 /*                              Glyph Object                            */
895 /************************************************************************/
896
897 enum glyph_type
898 {
899   GLYPH_UNKNOWN,
900   GLYPH_BUFFER,
901   GLYPH_POINTER,
902   GLYPH_ICON
903 };
904
905 struct Lisp_Glyph
906 {
907   struct lcrecord_header header;
908
909   enum glyph_type type;
910
911   /* specifiers: */
912   Lisp_Object image;            /* the actual image */
913   Lisp_Object contrib_p;        /* whether to figure into line height */
914   Lisp_Object baseline;         /* percent above baseline */
915
916   Lisp_Object face;             /* if non-nil, face to use when displaying */
917
918   Lisp_Object plist;
919   void (*after_change) (Lisp_Object glyph, Lisp_Object property,
920                         Lisp_Object locale);
921
922   unsigned int dirty : 1;       /* So that we can selectively
923                                    redisplay changed glyphs. */
924 };
925 typedef struct Lisp_Glyph Lisp_Glyph;
926
927 DECLARE_LRECORD (glyph, Lisp_Glyph);
928 #define XGLYPH(x) XRECORD (x, glyph, Lisp_Glyph)
929 #define XSETGLYPH(x, p) XSETRECORD (x, p, glyph)
930 #define GLYPHP(x) RECORDP (x, glyph)
931 #define CHECK_GLYPH(x) CHECK_RECORD (x, glyph)
932 #define CONCHECK_GLYPH(x) CONCHECK_RECORD (x, glyph)
933
934 #define CHECK_BUFFER_GLYPH(x) do {                      \
935   CHECK_GLYPH (x);                                      \
936   if (XGLYPH (x)->type != GLYPH_BUFFER)                 \
937     x = wrong_type_argument (Qbuffer_glyph_p, (x));     \
938 } while (0)
939
940 #define CHECK_POINTER_GLYPH(x) do {                     \
941   CHECK_GLYPH (x);                                      \
942   if (XGLYPH (x)->type != GLYPH_POINTER)                \
943     x = wrong_type_argument (Qpointer_glyph_p, (x));    \
944 } while (0)
945
946 #define CHECK_ICON_GLYPH(x) do {                        \
947   CHECK_GLYPH (x);                                      \
948   if (XGLYPH (x)->type != GLYPH_ICON)                   \
949     x = wrong_type_argument (Qicon_glyph_p, (x));       \
950 } while (0)
951
952 #define GLYPH_TYPE(g) ((g)->type)
953 #define GLYPH_IMAGE(g) ((g)->image)
954 #define GLYPH_CONTRIB_P(g) ((g)->contrib_p)
955 #define GLYPH_BASELINE(g) ((g)->baseline)
956 #define GLYPH_FACE(g) ((g)->face)
957 #define GLYPH_DIRTYP(g) ((g)->dirty)
958
959 #define XGLYPH_TYPE(g) GLYPH_TYPE (XGLYPH (g))
960 #define XGLYPH_IMAGE(g) GLYPH_IMAGE (XGLYPH (g))
961 #define XGLYPH_CONTRIB_P(g) GLYPH_CONTRIB_P (XGLYPH (g))
962 #define XGLYPH_BASELINE(g) GLYPH_BASELINE (XGLYPH (g))
963 #define XGLYPH_FACE(g) GLYPH_FACE (XGLYPH (g))
964 #define XGLYPH_DIRTYP(g) GLYPH_DIRTYP (XGLYPH (g))
965
966 #define MARK_GLYPH_CHANGED(g) (GLYPH_DIRTYP (g) = 1);
967
968 extern Lisp_Object Qxpm, Qxface, Qetched_in, Qetched_out, Qbevel_in, Qbevel_out;
969 extern Lisp_Object Q_data, Q_file, Q_color_symbols, Qconst_glyph_variable;
970 extern Lisp_Object Qxbm, Qedit_field, Qgroup, Qlabel, Qcombo_box, Qscrollbar;
971 extern Lisp_Object Qtree_view, Qtab_control, Qprogress_gauge, Q_border;
972 extern Lisp_Object Q_mask_file, Q_mask_data, Q_hotspot_x, Q_hotspot_y;
973 extern Lisp_Object Q_foreground, Q_background, Q_face, Q_descriptor, Q_group;
974 extern Lisp_Object Q_width, Q_height, Q_pixel_width, Q_pixel_height, Q_text;
975 extern Lisp_Object Q_items, Q_properties, Q_image, Qimage_conversion_error;
976 extern Lisp_Object Q_orientation, Q_margin_width;
977 extern Lisp_Object Vcontinuation_glyph, Vcontrol_arrow_glyph, Vhscroll_glyph;
978 extern Lisp_Object Vinvisible_text_glyph, Voctal_escape_glyph, Vtruncation_glyph;
979 extern Lisp_Object Vxemacs_logo;
980
981
982 unsigned short glyph_width (Lisp_Object glyph, Lisp_Object domain);
983 unsigned short glyph_ascent (Lisp_Object glyph, Lisp_Object domain);
984 unsigned short glyph_descent (Lisp_Object glyph, Lisp_Object domain);
985 unsigned short glyph_height (Lisp_Object glyph, Lisp_Object domain);
986 Lisp_Object glyph_baseline (Lisp_Object glyph, Lisp_Object domain);
987 Lisp_Object glyph_face (Lisp_Object glyph, Lisp_Object domain);
988 int glyph_contrib_p (Lisp_Object glyph, Lisp_Object domain);
989 Lisp_Object glyph_image_instance (Lisp_Object glyph,
990                                   Lisp_Object domain,
991                                   Error_behavior errb, int no_quit);
992 void file_or_data_must_be_present (Lisp_Object instantiator);
993 void data_must_be_present (Lisp_Object instantiator);
994 Lisp_Object make_string_from_file (Lisp_Object file);
995 Lisp_Object tagged_vector_to_alist (Lisp_Object vector);
996 Lisp_Object alist_to_tagged_vector (Lisp_Object tag, Lisp_Object alist);
997 void string_instantiate (Lisp_Object image_instance, Lisp_Object instantiator,
998                          Lisp_Object pointer_fg, Lisp_Object pointer_bg,
999                          int dest_mask, Lisp_Object domain);
1000 int tab_control_order_only_changed (Lisp_Object image_instance);
1001 Lisp_Object allocate_glyph (enum glyph_type type,
1002                             void (*after_change) (Lisp_Object glyph,
1003                                                   Lisp_Object property,
1004                                                   Lisp_Object locale));
1005 Lisp_Object normalize_image_instantiator (Lisp_Object instantiator,
1006                                           Lisp_Object contype,
1007                                           Lisp_Object dest_mask);
1008 void glyph_query_geometry (Lisp_Object glyph_or_image, int* width, int* height,
1009                            enum image_instance_geometry disp,
1010                            Lisp_Object domain);
1011 void glyph_do_layout (Lisp_Object glyph_or_image, int width, int height,
1012                       int xoffset, int yoffset,
1013                       Lisp_Object domain);
1014 void query_string_geometry ( Lisp_Object string, Lisp_Object face,
1015                              int* width, int* height, int* descent,
1016                              Lisp_Object domain);
1017 Lisp_Object query_string_font (Lisp_Object string,
1018                                Lisp_Object face, Lisp_Object domain);
1019 Lisp_Object add_glyph_animated_timeout (EMACS_INT tickms, Lisp_Object device);
1020 void disable_glyph_animated_timeout (int i);
1021
1022 /************************************************************************/
1023 /*                              Glyph Cachels                           */
1024 /************************************************************************/
1025
1026 typedef struct glyph_cachel glyph_cachel;
1027 struct glyph_cachel
1028 {
1029   Lisp_Object glyph;
1030
1031   unsigned int dirty :1;        /* I'm copying faces here. I'm not
1032                                    sure why we need two dirty
1033                                    flags. Maybe because an image
1034                                    instance can be dirty and so we
1035                                    need to frob this in the same way
1036                                    as other image instance properties.  */
1037   unsigned int updated :1;
1038
1039   unsigned short width;
1040   unsigned short ascent;
1041   unsigned short descent;
1042 };
1043
1044 #define CONT_GLYPH_INDEX        (glyph_index) 0
1045 #define TRUN_GLYPH_INDEX        (glyph_index) 1
1046 #define HSCROLL_GLYPH_INDEX     (glyph_index) 2
1047 #define CONTROL_GLYPH_INDEX     (glyph_index) 3
1048 #define OCT_ESC_GLYPH_INDEX     (glyph_index) 4
1049 #define INVIS_GLYPH_INDEX       (glyph_index) 5
1050
1051 #ifdef ERROR_CHECK_GLYPHS
1052
1053 #include "window.h"
1054
1055 INLINE_HEADER int
1056 GLYPH_CACHEL_WIDTH (struct window *window, int ind);
1057 INLINE_HEADER int
1058 GLYPH_CACHEL_WIDTH (struct window *window, int ind)
1059 {
1060   int wid = Dynarr_atp (window->glyph_cachels, ind)->width;
1061   assert (wid >= 0 && wid < 10000);
1062   return wid;
1063 }
1064 INLINE_HEADER int
1065 GLYPH_CACHEL_ASCENT (struct window *window, int ind);
1066 INLINE_HEADER int
1067 GLYPH_CACHEL_ASCENT (struct window *window, int ind)
1068 {
1069   int wid = Dynarr_atp (window->glyph_cachels, ind)->ascent;
1070   assert (wid >= 0 && wid < 10000);
1071   return wid;
1072 }
1073 INLINE_HEADER int
1074 GLYPH_CACHEL_DESCENT (struct window *window, int ind);
1075 INLINE_HEADER int
1076 GLYPH_CACHEL_DESCENT (struct window *window, int ind)
1077 {
1078   int wid = Dynarr_atp (window->glyph_cachels, ind)->descent;
1079   assert (wid >= 0 && wid < 10000);
1080   return wid;
1081 }
1082
1083 #else /* not ERROR_CHECK_GLYPHS */
1084
1085 #define GLYPH_CACHEL_WIDTH(window, ind)         \
1086   Dynarr_atp (window->glyph_cachels, ind)->width
1087 #define GLYPH_CACHEL_ASCENT(window, ind)                \
1088   Dynarr_atp (window->glyph_cachels, ind)->ascent
1089 #define GLYPH_CACHEL_DESCENT(window, ind)               \
1090   Dynarr_atp (window->glyph_cachels, ind)->descent
1091
1092 #endif /* not ERROR_CHECK_GLYPHS */
1093
1094 #define GLYPH_CACHEL(window, ind)                       \
1095   Dynarr_atp (window->glyph_cachels, ind)
1096 #define GLYPH_CACHEL_GLYPH(window, ind)         \
1097   Dynarr_atp (window->glyph_cachels, ind)->glyph
1098 #define GLYPH_CACHEL_DIRTYP(window, ind)                \
1099   Dynarr_atp (window->glyph_cachels, ind)->dirty
1100
1101 void mark_glyph_cachels (glyph_cachel_dynarr *elements);
1102 void mark_glyph_cachels_as_not_updated (struct window *w);
1103 void mark_glyph_cachels_as_clean (struct window *w);
1104 void reset_glyph_cachels (struct window *w);
1105 glyph_index get_glyph_cachel_index (struct window *w, Lisp_Object glyph);
1106
1107 #ifdef MEMORY_USAGE_STATS
1108 int compute_glyph_cachel_usage (glyph_cachel_dynarr *glyph_cachels,
1109                                 struct overhead_stats *ovstats);
1110 #endif /* MEMORY_USAGE_STATS */
1111
1112 /************************************************************************/
1113 /*                              Display Tables                          */
1114 /************************************************************************/
1115
1116 Lisp_Object display_table_entry (Emchar, Lisp_Object, Lisp_Object);
1117 void get_display_tables (struct window *, face_index,
1118                          Lisp_Object *, Lisp_Object *);
1119
1120 /****************************************************************************
1121  *                            Subwindow Object                              *
1122  ****************************************************************************/
1123
1124 void unmap_subwindow (Lisp_Object subwindow);
1125 void map_subwindow (Lisp_Object subwindow, int x, int y,
1126                     struct display_glyph_area *dga);
1127 int find_matching_subwindow (struct frame* f, int x, int y, int width, int height);
1128 void redisplay_widget (Lisp_Object widget);
1129 void update_widget_instances (Lisp_Object frame);
1130 void redisplay_subwindow (Lisp_Object subwindow);
1131 Lisp_Object image_instance_parent_glyph (struct Lisp_Image_Instance*);
1132 int image_instance_changed (Lisp_Object image);
1133 void free_frame_subwindow_instances (struct frame* f);
1134 void reset_frame_subwindow_instance_cache (struct frame* f);
1135 int unmap_subwindow_instance_cache_mapper (Lisp_Object key,
1136                                            Lisp_Object value, void* finalize);
1137
1138 struct expose_ignore
1139 {
1140   unsigned int  x, y;
1141   unsigned int  width, height;
1142   struct expose_ignore *next;
1143 };
1144
1145 int check_for_ignored_expose (struct frame* f, int x, int y, int width, int height);
1146 extern int hold_ignored_expose_registration;
1147
1148 #endif /* INCLUDED_glyphs_h_ */