GTK eradication -- the build chain.
[sxemacs] / src / ui / 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 SXEmacs
6
7 SXEmacs is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
11
12 SXEmacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program.  If not, see <http://www.gnu.org/licenses/>. */
19
20
21 /* Synched up with: Not in FSF. */
22
23 #ifndef INCLUDED_glyphs_h_
24 #define INCLUDED_glyphs_h_
25
26 #include "specifier.h"
27 #include "gui.h"
28
29 /************************************************************************/
30 /*                      Image Instantiators                             */
31 /************************************************************************/
32
33 struct image_instantiator_methods;
34
35 /* Remember the distinction between image instantiator formats and
36    image instance types.  Here's an approximate mapping:
37
38   image instantiator format     image instance type
39   -------------------------     -------------------
40   nothing                       nothing
41   string                        text
42   formatted-string              text
43   xbm                           mono-pixmap, color-pixmap, pointer
44   xpm                           color-pixmap, mono-pixmap, pointer
45   xface                         mono-pixmap, color-pixmap, pointer
46   gif                           color-pixmap
47   jpeg                          color-pixmap
48   png                           color-pixmap
49   tiff                          color-pixmap
50   bmp                           color-pixmap
51   cursor-font                   pointer
52   mswindows-resource            pointer, color-pixmap
53   font                          pointer
54   subwindow                     subwindow
55   inherit                       mono-pixmap
56   autodetect                    mono-pixmap, color-pixmap, pointer, text
57   button                        widget
58   edit-field                    widget
59   combo-box                     widget
60   progress-gauge                widget
61   tab-control                   widget
62   tree-view                     widget
63   scrollbar                     widget
64   label                         widget
65   layout                        widget
66   native-layout                 widget
67 */
68
69 /* These are methods specific to a particular format of image instantiator
70    (e.g. xpm, string, etc.). */
71
72 typedef struct ii_keyword_entry ii_keyword_entry;
73 struct ii_keyword_entry {
74         Lisp_Object keyword;
75         void (*validate) (Lisp_Object data);
76         int multiple_p;
77         int copy_p;
78 };
79
80 typedef struct {
81         Dynarr_declare(ii_keyword_entry);
82 } ii_keyword_entry_dynarr;
83
84 extern const struct struct_description iim_description;
85
86 enum image_instance_geometry {
87         IMAGE_GEOMETRY,
88         IMAGE_DESIRED_GEOMETRY,
89         IMAGE_MIN_GEOMETRY,
90         IMAGE_MAX_GEOMETRY
91 };
92
93 #define IMAGE_UNSPECIFIED_GEOMETRY -1
94 #define IMAGE_UNCHANGED_GEOMETRY -2
95
96 #define DEFAULT_WIDGET_BORDER_WIDTH 2
97 #define DEFAULT_WIDGET_SPACING 3
98 #define DEFAULT_WIDGET_SHADOW_WIDTH 2
99
100 enum governing_domain {
101         GOVERNING_DOMAIN_WINDOW,
102         GOVERNING_DOMAIN_FRAME,
103         GOVERNING_DOMAIN_DEVICE
104 };
105
106 struct image_instantiator_methods {
107         Lisp_Object symbol;
108
109         Lisp_Object device;     /* sometimes used */
110
111         ii_keyword_entry_dynarr *keywords;
112         /* consoles this ii is supported on */
113         console_type_entry_dynarr *consoles;
114         /* Implementation specific methods: */
115
116         /* Validate method: Given an instantiator vector, signal an error if
117            it's invalid for this image-instantiator format.  Note that this
118            validation only occurs after all the keyword-specific validation
119            has already been performed.  This is chiefly useful for making
120            sure that certain required keywords are present. */
121         void (*validate_method) (Lisp_Object instantiator);
122
123         /* Normalize method: Given an instantiator, convert it to the form
124            that should be used in a glyph, for devices of type CONSOLE_TYPE.
125            Signal an error if conversion fails. */
126          Lisp_Object(*normalize_method) (Lisp_Object instantiator,
127                                          Lisp_Object console_type,
128                                          Lisp_Object dest_mask);
129
130         /* Governing domain method: Return an int indicating what type of
131            domain an instance in this format is governed by. */
132         int (*governing_domain_method) (void);
133
134         /* Possible-dest-types method: Return a mask indicating what dest types
135            are compatible with this format. */
136         int (*possible_dest_types_method) (void);
137
138         /* Instantiate method: Given an instantiator and a partially
139            filled-in image instance, complete the filling-in.  Return
140            non-zero if the instantiation succeeds, 0 if it fails.
141            This must be present. */
142         void (*instantiate_method) (Lisp_Object image_instance,
143                                     Lisp_Object instantiator,
144                                     Lisp_Object pointer_fg,
145                                     Lisp_Object pointer_bg,
146                                     int dest_mask, Lisp_Object domain);
147         /* Post instantiate method: finish instantiation of the image
148            instance. */
149         void (*post_instantiate_method) (Lisp_Object image_instance,
150                                          Lisp_Object instantiator,
151                                          Lisp_Object domain);
152         /* Property method: Given an image instance, return device specific
153            properties. */
154          Lisp_Object(*property_method) (Lisp_Object image_instance,
155                                         Lisp_Object property);
156         /* Set-property method: Given an image instance, set device specific
157            properties. */
158          Lisp_Object(*set_property_method) (Lisp_Object image_instance,
159                                             Lisp_Object property,
160                                             Lisp_Object val);
161         /* Asynchronously update properties. */
162         void (*update_method) (Lisp_Object image_instance,
163                                Lisp_Object instantiator);
164         void (*redisplay_method) (Lisp_Object image_instance);
165
166         /* Find out the desired geometry, as given by disp, of this image
167            instance. Actual geometry is stored in the appropriate slots in the
168            image instance. */
169         void (*query_geometry_method) (Lisp_Object image_instance,
170                                        int *width, int *height,
171                                        enum image_instance_geometry disp,
172                                        Lisp_Object domain);
173
174         /* Layout the instance and its children bounded by the provided
175            dimensions. Returns success or failure. */
176         int (*layout_method) (Lisp_Object image_instance,
177                               int width, int height, int xoffset, int yoffset,
178                               Lisp_Object domain);
179 };
180
181 /***** Calling an image-instantiator method *****/
182
183 #define HAS_IIFORMAT_METH_P(mstruc, m) (((mstruc)->m##_method) != 0)
184 #define IIFORMAT_METH(mstruc, m, args) (((mstruc)->m##_method) args)
185
186 /* Call a void-returning specifier method, if it exists */
187 #define MAYBE_IIFORMAT_METH(mstruc, m, args)                    \
188 do {                                                            \
189   struct image_instantiator_methods *MIM_mstruc = (mstruc);     \
190   if (MIM_mstruc && HAS_IIFORMAT_METH_P (MIM_mstruc, m))        \
191     IIFORMAT_METH (MIM_mstruc, m, args);                        \
192 } while (0)
193
194 #define MAYBE_IIFORMAT_DEVMETH(device, mstruc, m, args) \
195 do {                                                    \
196   struct image_instantiator_methods *MID_mstruc =       \
197     decode_ii_device (device, mstruc);                  \
198   if (MID_mstruc)                                       \
199     MAYBE_IIFORMAT_METH(MID_mstruc, m, args);           \
200 } while (0)
201
202 /* Call a specifier method, if it exists; otherwise return
203    the specified value */
204
205 #define IIFORMAT_METH_OR_GIVEN(mstruc, m, args, given)  \
206   ((mstruc && HAS_IIFORMAT_METH_P (mstruc, m)) ?                \
207    IIFORMAT_METH (mstruc, m, args) : (given))
208
209 /***** Defining new image-instantiator types *****/
210
211 #define DECLARE_IMAGE_INSTANTIATOR_FORMAT(format)               \
212 extern struct image_instantiator_methods *format##_image_instantiator_methods
213
214 #define DEFINE_IMAGE_INSTANTIATOR_FORMAT(format)                \
215 struct image_instantiator_methods *format##_image_instantiator_methods
216
217 #define INITIALIZE_IMAGE_INSTANTIATOR_FORMAT_NO_SYM(format, obj_name)   \
218 do {                                                                    \
219   format##_image_instantiator_methods =                                 \
220     xnew_and_zero (struct image_instantiator_methods);                  \
221   format##_image_instantiator_methods->symbol = Q##format;              \
222   format##_image_instantiator_methods->device = Qnil;                   \
223   format##_image_instantiator_methods->keywords =                       \
224     Dynarr_new (ii_keyword_entry);                                      \
225   format##_image_instantiator_methods->consoles =                       \
226     Dynarr_new (console_type_entry);                                    \
227   add_entry_to_image_instantiator_format_list                           \
228     (Q##format, format##_image_instantiator_methods);                   \
229   dump_add_root_struct_ptr (&format##_image_instantiator_methods,       \
230                             &iim_description);                          \
231 } while (0)
232
233 #define INITIALIZE_IMAGE_INSTANTIATOR_FORMAT(format, obj_name)  \
234 do {                                                            \
235   defsymbol (&Q##format, obj_name);                             \
236   INITIALIZE_IMAGE_INSTANTIATOR_FORMAT_NO_SYM(format, obj_name);\
237 } while (0)
238
239 /* Declare that image-instantiator format FORMAT has method M; used in
240    initialization routines */
241 #define IIFORMAT_HAS_METHOD(format, m) \
242   (format##_image_instantiator_methods->m##_method = format##_##m)
243
244 #define IIFORMAT_HAS_SHARED_METHOD(format, m, type) \
245   (format##_image_instantiator_methods->m##_method = type##_##m)
246
247 /* Declare that KEYW is a valid keyword for image-instantiator format
248    FORMAT.  VALIDATE_FUN if a function that returns whether the data
249    is valid.  The keyword may not appear more than once. */
250 #define IIFORMAT_VALID_GENERIC_KEYWORD(format, keyw, validate_fun, copy, multi) \
251   do {                                                          \
252     struct ii_keyword_entry entry;                              \
253                                                                 \
254     entry.keyword = keyw;                                       \
255     entry.validate = validate_fun;                              \
256     entry.multiple_p = multi;                                   \
257     entry.copy_p = copy;                                        \
258     Dynarr_add (format##_image_instantiator_methods->keywords,  \
259                 entry);                                         \
260   } while (0)
261
262 #define IIFORMAT_VALID_KEYWORD(format, keyw, validate_fun)      \
263 IIFORMAT_VALID_GENERIC_KEYWORD(format, keyw, validate_fun, 1, 0)
264
265 /* Same as IIFORMAT_VALID_KEYWORD except that the keyword may
266    appear multiple times. */
267 #define IIFORMAT_VALID_MULTI_KEYWORD(format, keyw, validate_fun)        \
268 IIFORMAT_VALID_GENERIC_KEYWORD(format, keyw, validate_fun, 1, 1)
269
270 /* Same as IIFORMAT_VALID_KEYWORD except that the argument is not
271    copied by the specifier functions. This is necessary for things
272    like callbacks etc. */
273 #define IIFORMAT_VALID_NONCOPY_KEYWORD(format, keyw, validate_fun)      \
274 IIFORMAT_VALID_GENERIC_KEYWORD(format, keyw, validate_fun, 0, 0)
275
276 /* Declare that image-instantiator format FORMAT is supported on
277    CONSOLE type. */
278 #define IIFORMAT_VALID_CONSOLE(console, format)                 \
279   do {                                                          \
280     struct console_type_entry entry;                            \
281                                                                 \
282     entry.symbol = Q##console;                                  \
283     entry.meths = console##_console_methods;                    \
284     Dynarr_add (format##_image_instantiator_methods->consoles,  \
285                 entry);                                         \
286   } while (0)
287
288 #define IIFORMAT_VALID_CONSOLE2(con1, con2, format)             \
289   IIFORMAT_VALID_CONSOLE (con1, format);                        \
290   IIFORMAT_VALID_CONSOLE (con2, format);
291
292 #define DEFINE_DEVICE_IIFORMAT(type, format)    \
293 DECLARE_IMAGE_INSTANTIATOR_FORMAT(format);      \
294 struct image_instantiator_methods *type##_##format##_image_instantiator_methods
295
296 #define INITIALIZE_DEVICE_IIFORMAT(type, format)                                \
297 do {                                                                            \
298   type##_##format##_image_instantiator_methods =                                \
299     xnew_and_zero (struct image_instantiator_methods);                          \
300   type##_##format##_image_instantiator_methods->symbol = Q##format;             \
301   type##_##format##_image_instantiator_methods->device = Q##type;               \
302   type##_##format##_image_instantiator_methods->keywords =                      \
303     Dynarr_new (ii_keyword_entry);                                              \
304   add_entry_to_device_ii_format_list                                            \
305     (Q##type, Q##format, type##_##format##_image_instantiator_methods);         \
306   IIFORMAT_VALID_CONSOLE(type,format);                                          \
307   dump_add_root_struct_ptr (&type##_##format##_image_instantiator_methods,      \
308                             &iim_description);                                  \
309 } while (0)
310
311 /* Declare that image-instantiator format FORMAT has method M; used in
312    initialization routines */
313 #define IIFORMAT_HAS_DEVMETHOD(type, format, m) \
314   (type##_##format##_image_instantiator_methods->m##_method = type##_##format##_##m)
315 #define IIFORMAT_HAS_SHARED_DEVMETHOD(type, format, m, fromformat) \
316   (type##_##format##_image_instantiator_methods->m##_method = type##_##fromformat##_##m)
317
318 #define IIFORMAT_INHERITS_DEVMETHOD(type, from, format, m) \
319   (type##_##format##_image_instantiator_methods->m##_method = from##_##format##_##m)
320 #define IIFORMAT_INHERITS_SHARED_DEVMETHOD(type, from, format, m, fromformat) \
321   (type##_##format##_image_instantiator_methods->m##_method = from##_##fromformat##_##m)
322
323 #define INSTANTIATOR_TYPE(inst) (XVECTOR_DATA ((inst))[0])
324
325 struct image_instantiator_methods *decode_device_ii_format(Lisp_Object device,
326                                                            Lisp_Object format,
327                                                            Error_behavior errb);
328 struct image_instantiator_methods *decode_image_instantiator_format(Lisp_Object
329                                                                     format,
330                                                                     Error_behavior
331                                                                     errb);
332
333 void add_entry_to_image_instantiator_format_list(Lisp_Object symbol,
334                                                  struct
335                                                  image_instantiator_methods
336                                                  *meths);
337 void add_entry_to_device_ii_format_list(Lisp_Object device, Lisp_Object symbol,
338                                         struct image_instantiator_methods
339                                         *meths);
340 Lisp_Object find_keyword_in_vector(Lisp_Object vector, Lisp_Object keyword);
341 Lisp_Object find_keyword_in_vector_or_given(Lisp_Object vector,
342                                             Lisp_Object keyword,
343                                             Lisp_Object default_);
344 Lisp_Object simple_image_type_normalize(Lisp_Object inst,
345                                         Lisp_Object console_type,
346                                         Lisp_Object image_type_tag);
347 Lisp_Object potential_pixmap_file_instantiator(Lisp_Object instantiator,
348                                                Lisp_Object file_keyword,
349                                                Lisp_Object data_keyword,
350                                                Lisp_Object console_type);
351 void check_valid_string(Lisp_Object data);
352 void check_valid_int(Lisp_Object data);
353 void check_valid_face(Lisp_Object data);
354 void check_valid_vector(Lisp_Object data);
355 void check_valid_item_list(Lisp_Object items);
356
357 void initialize_subwindow_image_instance(Lisp_Image_Instance *);
358 void subwindow_instantiate(Lisp_Object image_instance, Lisp_Object instantiator,
359                            Lisp_Object pointer_fg, Lisp_Object pointer_bg,
360                            int dest_mask, Lisp_Object domain);
361 int subwindow_governing_domain(void);
362 void widget_instantiate(Lisp_Object image_instance, Lisp_Object instantiator,
363                         Lisp_Object pointer_fg, Lisp_Object pointer_bg,
364                         int dest_mask, Lisp_Object domain);
365 void image_instance_query_geometry(Lisp_Object image_instance,
366                                    int *width, int *height,
367                                    enum image_instance_geometry disp,
368                                    Lisp_Object domain);
369 void image_instance_layout(Lisp_Object image_instance,
370                            int width, int height, int xoffset, int yoffset,
371                            Lisp_Object domain);
372 int layout_layout(Lisp_Object image_instance,
373                   int width, int height, int xoffset, int yoffset,
374                   Lisp_Object domain);
375 int invalidate_glyph_geometry_maybe(Lisp_Object glyph_or_ii, struct window *w);
376 Lisp_Object make_image_instance_cache_hash_table(void);
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
383                       (const char *, Lisp_Object, Lisp_Object));
384
385 /************************************************************************/
386 /*                      Image Specifier Object                          */
387 /************************************************************************/
388
389 DECLARE_SPECIFIER_TYPE(image);
390 #define XIMAGE_SPECIFIER(x) XSPECIFIER_TYPE (x, image)
391 #define XSETIMAGE_SPECIFIER(x, p) XSETSPECIFIER_TYPE (x, p, image)
392 #define IMAGE_SPECIFIERP(x) SPECIFIER_TYPEP (x, image)
393 #define CHECK_IMAGE_SPECIFIER(x) CHECK_SPECIFIER_TYPE (x, image)
394 #define CONCHECK_IMAGE_SPECIFIER(x) CONCHECK_SPECIFIER_TYPE (x, image)
395
396 void set_image_attached_to(Lisp_Object obj, Lisp_Object face_or_glyph,
397                            Lisp_Object property);
398
399 struct image_specifier {
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         IMAGE_UNKNOWN,
439         IMAGE_NOTHING,
440         IMAGE_TEXT,
441         IMAGE_MONO_PIXMAP,
442         IMAGE_COLOR_PIXMAP,
443         IMAGE_POINTER,
444         IMAGE_SUBWINDOW,
445         IMAGE_WIDGET
446 };
447
448 #define IMAGE_NOTHING_MASK (1 << 0)
449 #define IMAGE_TEXT_MASK (1 << 1)
450 #define IMAGE_MONO_PIXMAP_MASK (1 << 2)
451 #define IMAGE_COLOR_PIXMAP_MASK (1 << 3)
452 #define IMAGE_POINTER_MASK (1 << 4)
453 #define IMAGE_SUBWINDOW_MASK (1 << 5)
454 #define IMAGE_WIDGET_MASK (1 << 6)
455
456 /* This depends on the fact that enums are assigned consecutive
457    integers starting at 0. (Remember that IMAGE_UNKNOWN is the
458    first enum.) I'm fairly sure this behavior is ANSI-mandated,
459    so there should be no portability problems here. */
460 #define image_instance_type_to_mask(type) \
461   ((int) (1 << ((int) (type) - 1)))
462
463 #define IMAGE_INSTANCE_TYPE_P(ii, type) \
464 (IMAGE_INSTANCEP (ii) && XIMAGE_INSTANCE_TYPE (ii) == type)
465
466 #define NOTHING_IMAGE_INSTANCEP(ii) \
467      IMAGE_INSTANCE_TYPE_P (ii, IMAGE_NOTHING)
468 #define TEXT_IMAGE_INSTANCEP(ii) \
469      IMAGE_INSTANCE_TYPE_P (ii, IMAGE_TEXT)
470 #define MONO_PIXMAP_IMAGE_INSTANCEP(ii) \
471      IMAGE_INSTANCE_TYPE_P (ii, IMAGE_MONO_PIXMAP)
472 #define COLOR_PIXMAP_IMAGE_INSTANCEP(ii) \
473      IMAGE_INSTANCE_TYPE_P (ii, IMAGE_COLOR_PIXMAP)
474 #define POINTER_IMAGE_INSTANCEP(ii) \
475      IMAGE_INSTANCE_TYPE_P (ii, IMAGE_POINTER)
476 #define SUBWINDOW_IMAGE_INSTANCEP(ii) \
477      IMAGE_INSTANCE_TYPE_P (ii, IMAGE_SUBWINDOW)
478 #define WIDGET_IMAGE_INSTANCEP(ii) \
479      IMAGE_INSTANCE_TYPE_P (ii, IMAGE_WIDGET)
480
481 #define CHECK_NOTHING_IMAGE_INSTANCE(x) do {                    \
482   CHECK_IMAGE_INSTANCE (x);                                     \
483   if (!NOTHING_IMAGE_INSTANCEP (x))                             \
484     x = wrong_type_argument (Qnothing_image_instance_p, (x));   \
485 } while (0)
486
487 #define CHECK_TEXT_IMAGE_INSTANCE(x) do {                       \
488   CHECK_IMAGE_INSTANCE (x);                                     \
489   if (!TEXT_IMAGE_INSTANCEP (x))                                \
490     x = wrong_type_argument (Qtext_image_instance_p, (x));      \
491 } while (0)
492
493 #define CHECK_MONO_PIXMAP_IMAGE_INSTANCE(x) do {                        \
494   CHECK_IMAGE_INSTANCE (x);                                             \
495   if (!MONO_PIXMAP_IMAGE_INSTANCEP (x))                                 \
496     x = wrong_type_argument (Qmono_pixmap_image_instance_p, (x));       \
497 } while (0)
498
499 #define CHECK_COLOR_PIXMAP_IMAGE_INSTANCE(x) do {                       \
500   CHECK_IMAGE_INSTANCE (x);                                             \
501   if (!COLOR_PIXMAP_IMAGE_INSTANCEP (x))                                \
502     x = wrong_type_argument (Qcolor_pixmap_image_instance_p, (x));      \
503 } while (0)
504
505 #define CHECK_POINTER_IMAGE_INSTANCE(x) do {                    \
506   CHECK_IMAGE_INSTANCE (x);                                     \
507   if (!POINTER_IMAGE_INSTANCEP (x))                             \
508     x = wrong_type_argument (Qpointer_image_instance_p, (x));   \
509 } while (0)
510
511 #define CHECK_SUBWINDOW_IMAGE_INSTANCE(x) do {                  \
512   CHECK_IMAGE_INSTANCE (x);                                     \
513   if (!SUBWINDOW_IMAGE_INSTANCEP (x)                            \
514       && !WIDGET_IMAGE_INSTANCEP (x))                           \
515     x = wrong_type_argument (Qsubwindow_image_instance_p, (x)); \
516 } while (0)
517
518 #define CHECK_WIDGET_IMAGE_INSTANCE(x) do {                     \
519   CHECK_IMAGE_INSTANCE (x);                                     \
520   if (!WIDGET_IMAGE_INSTANCEP (x))                              \
521     x = wrong_type_argument (Qwidget_image_instance_p, (x));    \
522 } while (0)
523
524 struct Lisp_Image_Instance {
525         struct lcrecord_header header;
526         Lisp_Object domain;     /* The domain in which we were cached. */
527         Lisp_Object device;     /* The device of the domain. Recorded
528                                    since the domain may get deleted
529                                    before us. */
530         Lisp_Object name;
531         /* The glyph from which we were instantiated. This is a weak
532            reference. */
533         Lisp_Object parent;
534         /* The instantiator from which we were instantiated. */
535         Lisp_Object instantiator;
536         enum image_instance_type type;
537         unsigned int x_offset, y_offset;        /* for layout purposes */
538         int width, height, margin_width;
539         unsigned long display_hash;     /* Hash value representing the structure
540                                            of the image_instance when it was
541                                            last displayed. */
542         unsigned int dirty:1;
543         unsigned int size_changed:1;
544         unsigned int text_changed:1;
545         unsigned int layout_changed:1;
546         unsigned int optimize_output:1; /* For outputting layouts. */
547         unsigned int initialized:1;     /* When we're fully done. */
548         unsigned int wants_initial_focus:1;
549
550         union {
551                 struct {
552                         unsigned int descent;
553                         Lisp_Object string;
554                 } text;
555                 struct {
556                         unsigned int depth;
557                         unsigned int slice, maxslice, timeout;
558                         Lisp_Object hotspot_x, hotspot_y;       /* integer or Qnil */
559                         Lisp_Object filename;   /* string or Qnil */
560                         Lisp_Object mask_filename;      /* string or Qnil */
561                         Lisp_Object fg, bg;     /* foreground and background colors,
562                                                    if this is a colorized mono-pixmap
563                                                    or a pointer */
564                         Lisp_Object auxdata;    /* list or Qnil: any additional data
565                                                    to be seen from lisp */
566                         void *mask;     /* mask that can be seen from all windowing systems */
567                 } pixmap;       /* used for pointers as well */
568                 struct {
569                         void *subwindow;        /* specific devices can use this as necessary */
570                         struct {        /* We need these so we can do without
571                                            subwindow_cachel */
572                                 unsigned int x, y;
573                                 unsigned int width, height;
574                         } display_data;
575                         unsigned int being_displayed:1; /* used to detect when needs
576                                                            to be unmapped */
577                         unsigned int v_resize:1;        /* Whether the vsize is allowed to change. */
578                         unsigned int h_resize:1;        /* Whether the hsize is allowed to change. */
579                         unsigned int orientation:1;     /* Vertical or horizontal. */
580                         unsigned int h_justification:2; /* left, right or center. */
581                         unsigned int v_justification:2; /* top, bottom or center. */
582                         /* Face for colors and font. We specify this here because we
583                            want people to be able to put :face in the instantiator
584                            spec. Using glyph-face is more inconvenient, although more
585                            general. */
586                         Lisp_Object face;
587                         Lisp_Object type;
588                         Lisp_Object props;      /* properties or border */
589                         Lisp_Object items;      /* a list of displayed gui_items */
590                         Lisp_Object pending_items;      /* gui_items that should be displayed */
591                         Lisp_Object children;   /* a list of children */
592                         Lisp_Object width;      /* dynamic width spec. */
593                         Lisp_Object height;     /* dynamic height spec. */
594                         /* Change flags to augment dirty. */
595                         unsigned int face_changed:1;
596                         unsigned int items_changed:1;
597                         unsigned int action_occurred:1;
598                 } subwindow;
599         } u;
600
601         /* console-type- and image-type-specific data */
602         void *data;
603 };
604
605 /* Layout bit-fields. */
606 #define LAYOUT_HORIZONTAL       0
607 #define LAYOUT_VERTICAL 1
608
609 #define LAYOUT_JUSTIFY_LEFT 0
610 #define LAYOUT_JUSTIFY_TOP 0
611 #define LAYOUT_JUSTIFY_RIGHT 1
612 #define LAYOUT_JUSTIFY_BOTTOM 1
613 #define LAYOUT_JUSTIFY_CENTER 2
614
615 #define IMAGE_INSTANCE_HASH_DEPTH 0
616
617 /* Accessor macros. */
618 #define IMAGE_INSTANCE_DOMAIN(i) ((i)->domain)
619 #define IMAGE_INSTANCE_DOMAIN_LIVE_P(i) (DOMAIN_LIVE_P ((i)->domain))
620 #define IMAGE_INSTANCE_DEVICE(i) ((i)->device)
621 #define IMAGE_INSTANCE_FRAME(i) (DOMAIN_FRAME ((i)->domain))
622 #define IMAGE_INSTANCE_NAME(i) ((i)->name)
623 #define IMAGE_INSTANCE_PARENT(i) ((i)->parent)
624 #define IMAGE_INSTANCE_INSTANTIATOR(i) ((i)->instantiator)
625 #define IMAGE_INSTANCE_GLYPH(i) (image_instance_parent_glyph(i))
626 #define IMAGE_INSTANCE_TYPE(i) ((i)->type)
627 #define IMAGE_INSTANCE_XOFFSET(i) ((i)->x_offset)
628 #define IMAGE_INSTANCE_YOFFSET(i) ((i)->y_offset)
629 #define IMAGE_INSTANCE_WIDTH(i) ((i)->width)
630 #define IMAGE_INSTANCE_MARGIN_WIDTH(i) ((i)->margin_width)
631 #define IMAGE_INSTANCE_HEIGHT(i) ((i)->height)
632 #define IMAGE_INSTANCE_INITIALIZED(i) ((i)->initialized)
633 #define IMAGE_INSTANCE_DISPLAY_HASH(i) ((i)->display_hash)
634 #define IMAGE_INSTANCE_PIXMAP_TYPE_P(i)                 \
635  ((IMAGE_INSTANCE_TYPE (i) == IMAGE_MONO_PIXMAP)        \
636   || (IMAGE_INSTANCE_TYPE (i) == IMAGE_COLOR_PIXMAP))
637 #define IMAGE_INSTANCE_DIRTYP(i) ((i)->dirty)
638 #define IMAGE_INSTANCE_NEEDS_LAYOUT(i) \
639   ((IMAGE_INSTANCE_DIRTYP (i) && IMAGE_INSTANCE_LAYOUT_CHANGED (i)) \
640    || (FRAMEP (IMAGE_INSTANCE_FRAME (i)) \
641        && XFRAME (IMAGE_INSTANCE_FRAME (i))->size_changed))
642 #if 0
643 /* converted to inline for clarity */
644 #define IMAGE_INSTANCE_FACE(i)                          \
645         (GLYPHP (IMAGE_INSTANCE_GLYPH (i)) ?            \
646          XGLYPH_FACE (IMAGE_INSTANCE_GLYPH (i)) : Qnil)
647 #else  /* !0 */
648 static inline Lisp_Object
649 IMAGE_INSTANCE_FACE(Lisp_Image_Instance *i)
650         __attribute__((always_inline));
651 #endif
652 #define IMAGE_INSTANCE_WANTS_INITIAL_FOCUS(i) ((i)->wants_initial_focus)
653
654 /* Changed flags */
655 #define IMAGE_INSTANCE_TEXT_CHANGED(i) ((i)->text_changed)
656 #define IMAGE_INSTANCE_SIZE_CHANGED(i) ((i)->size_changed)
657 #define IMAGE_INSTANCE_WIDGET_FACE_CHANGED(i) \
658   ((i)->u.subwindow.face_changed)
659 #define IMAGE_INSTANCE_WIDGET_ITEMS_CHANGED(i) \
660   ((i)->u.subwindow.items_changed)
661 #define IMAGE_INSTANCE_WIDGET_ACTION_OCCURRED(i) \
662   ((i)->u.subwindow.action_occurred)
663 #define IMAGE_INSTANCE_LAYOUT_CHANGED(i) ((i)->layout_changed)
664 #define IMAGE_INSTANCE_OPTIMIZE_OUTPUT(i) ((i)->optimize_output)
665
666 /* Text properties */
667 #define IMAGE_INSTANCE_TEXT_STRING(i) ((i)->u.text.string)
668 #define IMAGE_INSTANCE_TEXT_WIDTH(i) \
669   IMAGE_INSTANCE_WIDTH(i)
670 #define IMAGE_INSTANCE_TEXT_HEIGHT(i) \
671   IMAGE_INSTANCE_HEIGHT(i)
672 #define IMAGE_INSTANCE_TEXT_DESCENT(i) ((i)->u.text.descent)
673 #define IMAGE_INSTANCE_TEXT_ASCENT(i) \
674   (IMAGE_INSTANCE_TEXT_HEIGHT(i) - IMAGE_INSTANCE_TEXT_DESCENT(i))
675
676 /* Pixmap properties */
677 #define IMAGE_INSTANCE_PIXMAP_WIDTH(i) \
678   IMAGE_INSTANCE_WIDTH(i)
679 #define IMAGE_INSTANCE_PIXMAP_HEIGHT(i) \
680   IMAGE_INSTANCE_HEIGHT(i)
681 #define IMAGE_INSTANCE_PIXMAP_DEPTH(i) ((i)->u.pixmap.depth)
682 #define IMAGE_INSTANCE_PIXMAP_FILENAME(i) ((i)->u.pixmap.filename)
683 #define IMAGE_INSTANCE_PIXMAP_MASK_FILENAME(i) ((i)->u.pixmap.mask_filename)
684 #define IMAGE_INSTANCE_PIXMAP_HOTSPOT_X(i) ((i)->u.pixmap.hotspot_x)
685 #define IMAGE_INSTANCE_PIXMAP_HOTSPOT_Y(i) ((i)->u.pixmap.hotspot_y)
686 #define IMAGE_INSTANCE_PIXMAP_FG(i) ((i)->u.pixmap.fg)
687 #define IMAGE_INSTANCE_PIXMAP_BG(i) ((i)->u.pixmap.bg)
688 #define IMAGE_INSTANCE_PIXMAP_AUXDATA(i) ((i)->u.pixmap.auxdata)
689 #define IMAGE_INSTANCE_PIXMAP_MASK(i) ((i)->u.pixmap.mask)
690 #define IMAGE_INSTANCE_PIXMAP_SLICE(i) ((i)->u.pixmap.slice)
691 #define IMAGE_INSTANCE_PIXMAP_MAXSLICE(i) ((i)->u.pixmap.maxslice)
692 #define IMAGE_INSTANCE_PIXMAP_TIMEOUT(i) ((i)->u.pixmap.timeout)
693
694 /* Subwindow properties */
695 #define IMAGE_INSTANCE_SUBWINDOW_ID(i) ((i)->u.subwindow.subwindow)
696 /* Display data. */
697 #define IMAGE_INSTANCE_DISPLAY_X(i) ((i)->u.subwindow.display_data.x)
698 #define IMAGE_INSTANCE_DISPLAY_Y(i) ((i)->u.subwindow.display_data.y)
699 #define IMAGE_INSTANCE_DISPLAY_WIDTH(i) \
700   ((i)->u.subwindow.display_data.width)
701 #define IMAGE_INSTANCE_DISPLAY_HEIGHT(i) \
702   ((i)->u.subwindow.display_data.height)
703 #define IMAGE_INSTANCE_SUBWINDOW_DISPLAYEDP(i) \
704 ((i)->u.subwindow.being_displayed)
705 #define IMAGE_INSTANCE_SUBWINDOW_V_RESIZEP(i) \
706 ((i)->u.subwindow.v_resize)
707 #define IMAGE_INSTANCE_SUBWINDOW_H_RESIZEP(i) \
708 ((i)->u.subwindow.h_resize)
709 #define IMAGE_INSTANCE_SUBWINDOW_ORIENT(i) \
710 ((i)->u.subwindow.orientation)
711 #define IMAGE_INSTANCE_SUBWINDOW_H_JUSTIFY(i) \
712 ((i)->u.subwindow.h_justification)
713 #define IMAGE_INSTANCE_SUBWINDOW_V_JUSTIFY(i) \
714 ((i)->u.subwindow.v_justification)
715 #define IMAGE_INSTANCE_SUBWINDOW_RIGHT_JUSTIFIED(i) \
716  (IMAGE_INSTANCE_SUBWINDOW_H_JUSTIFY(i) == LAYOUT_JUSTIFY_RIGHT)
717 #define IMAGE_INSTANCE_SUBWINDOW_LEFT_JUSTIFIED(i) \
718  (IMAGE_INSTANCE_SUBWINDOW_H_JUSTIFY(i) == LAYOUT_JUSTIFY_LEFT)
719 #define IMAGE_INSTANCE_SUBWINDOW_TOP_JUSTIFIED(i) \
720  (IMAGE_INSTANCE_SUBWINDOW_V_JUSTIFY(i) == LAYOUT_JUSTIFY_TOP)
721 #define IMAGE_INSTANCE_SUBWINDOW_BOTTOM_JUSTIFIED(i) \
722  (IMAGE_INSTANCE_SUBWINDOW_V_JUSTIFY(i) == LAYOUT_JUSTIFY_BOTTOM)
723 #define IMAGE_INSTANCE_SUBWINDOW_H_CENTERED(i) \
724  (IMAGE_INSTANCE_SUBWINDOW_H_JUSTIFY(i) == LAYOUT_JUSTIFY_CENTER)
725 #define IMAGE_INSTANCE_SUBWINDOW_V_CENTERED(i) \
726  (IMAGE_INSTANCE_SUBWINDOW_V_JUSTIFY(i) == LAYOUT_JUSTIFY_CENTER)
727 #define IMAGE_INSTANCE_SUBWINDOW_LOGICAL_LAYOUT(i) \
728  (IMAGE_INSTANCE_SUBWINDOW_ORIENT (i) \
729   == LAYOUT_VERTICAL && !IMAGE_INSTANCE_SUBWINDOW_V_CENTERED (i))
730
731 #define IMAGE_INSTANCE_SUBWINDOW_FACE(i) \
732 ((i)->u.subwindow.face)
733
734 /* Widget properties */
735 #define IMAGE_INSTANCE_WIDGET_WIDTH(i) \
736   IMAGE_INSTANCE_WIDTH(i)
737 #define IMAGE_INSTANCE_WIDGET_HEIGHT(i) \
738   IMAGE_INSTANCE_HEIGHT(i)
739 #define IMAGE_INSTANCE_WIDGET_WIDTH_SUBR(i) ((i)->u.subwindow.width)
740 #define IMAGE_INSTANCE_WIDGET_HEIGHT_SUBR(i) ((i)->u.subwindow.height)
741 #define IMAGE_INSTANCE_WIDGET_TYPE(i) ((i)->u.subwindow.type)
742 #define IMAGE_INSTANCE_WIDGET_PROPS(i) ((i)->u.subwindow.props)
743 #define SET_IMAGE_INSTANCE_WIDGET_FACE(i,f) \
744  ((i)->u.subwindow.face = f)
745 #if 0
746 /* converted to an inline for better readability */
747 #define IMAGE_INSTANCE_WIDGET_FACE(i)                           \
748   (!NILP ((i)->u.subwindow.face) ? (i)->u.subwindow.face :      \
749   !NILP (IMAGE_INSTANCE_FACE (i)) ? IMAGE_INSTANCE_FACE (i) :   \
750   Vwidget_face)
751 #else  /* !0 */
752 static inline Lisp_Object
753 IMAGE_INSTANCE_WIDGET_FACE(Lisp_Image_Instance *i)
754         __attribute__((always_inline));
755 #endif  /* 0 */
756
757 #define IMAGE_INSTANCE_WIDGET_ITEMS(i) ((i)->u.subwindow.items)
758 #define IMAGE_INSTANCE_WIDGET_PENDING_ITEMS(i) \
759   ((i)->u.subwindow.pending_items)
760 #define IMAGE_INSTANCE_WIDGET_ITEM(i)           \
761   (CONSP (IMAGE_INSTANCE_WIDGET_ITEMS (i)) ?    \
762    XCAR (IMAGE_INSTANCE_WIDGET_ITEMS (i)) :     \
763    IMAGE_INSTANCE_WIDGET_ITEMS (i))
764 #define IMAGE_INSTANCE_WIDGET_TEXT(i) \
765    XGUI_ITEM (IMAGE_INSTANCE_WIDGET_ITEM (i))->name
766
767 /* Layout properties */
768 #define IMAGE_INSTANCE_LAYOUT_CHILDREN(i) ((i)->u.subwindow.children)
769 #define IMAGE_INSTANCE_LAYOUT_BORDER(i) ((i)->u.subwindow.props)
770
771 #define XIMAGE_INSTANCE_DOMAIN(i) \
772   IMAGE_INSTANCE_DOMAIN (XIMAGE_INSTANCE (i))
773 #define XIMAGE_INSTANCE_DOMAIN_LIVE_P(i) \
774   IMAGE_INSTANCE_DOMAIN_LIVE_P (XIMAGE_INSTANCE (i))
775 #define XIMAGE_INSTANCE_DEVICE(i) \
776   IMAGE_INSTANCE_DEVICE (XIMAGE_INSTANCE (i))
777 #define XIMAGE_INSTANCE_FRAME(i) \
778   IMAGE_INSTANCE_FRAME (XIMAGE_INSTANCE (i))
779 #define XIMAGE_INSTANCE_NAME(i) \
780   IMAGE_INSTANCE_NAME (XIMAGE_INSTANCE (i))
781 #define XIMAGE_INSTANCE_GLYPH(i) \
782   IMAGE_INSTANCE_GLYPH (XIMAGE_INSTANCE (i))
783 #define XIMAGE_INSTANCE_PARENT(i) \
784   IMAGE_INSTANCE_PARENT (XIMAGE_INSTANCE (i))
785 #define XIMAGE_INSTANCE_INSTANTIATOR(i) \
786   IMAGE_INSTANCE_INSTANTIATOR (XIMAGE_INSTANCE (i))
787 #define XIMAGE_INSTANCE_TYPE(i) \
788   IMAGE_INSTANCE_TYPE (XIMAGE_INSTANCE (i))
789 #define XIMAGE_INSTANCE_DISPLAY_HASH(i) \
790   IMAGE_INSTANCE_DISPLAY_HASH (XIMAGE_INSTANCE (i))
791 #define XIMAGE_INSTANCE_XOFFSET(i) \
792   IMAGE_INSTANCE_XOFFSET (XIMAGE_INSTANCE (i))
793 #define XIMAGE_INSTANCE_YOFFSET(i) \
794   IMAGE_INSTANCE_YOFFSET (XIMAGE_INSTANCE (i))
795 #define XIMAGE_INSTANCE_DIRTYP(i) \
796   IMAGE_INSTANCE_DIRTYP (XIMAGE_INSTANCE (i))
797 #define XIMAGE_INSTANCE_NEEDS_LAYOUT(i) \
798   IMAGE_INSTANCE_NEEDS_LAYOUT (XIMAGE_INSTANCE (i))
799 #define XIMAGE_INSTANCE_WIDTH(i) \
800   IMAGE_INSTANCE_WIDTH (XIMAGE_INSTANCE (i))
801 #define XIMAGE_INSTANCE_MARGIN_WIDTH(i) \
802   IMAGE_INSTANCE_MARGIN_WIDTH (XIMAGE_INSTANCE (i))
803 #define XIMAGE_INSTANCE_HEIGHT(i) \
804   IMAGE_INSTANCE_HEIGHT (XIMAGE_INSTANCE (i))
805 #define XIMAGE_INSTANCE_INITIALIZED(i) \
806   IMAGE_INSTANCE_INITIALIZED (XIMAGE_INSTANCE (i))
807 #define XIMAGE_INSTANCE_FACE(i) \
808   IMAGE_INSTANCE_FACE (XIMAGE_INSTANCE (i))
809
810 #define XIMAGE_INSTANCE_TEXT_STRING(i) \
811   IMAGE_INSTANCE_TEXT_STRING (XIMAGE_INSTANCE (i))
812 #define XIMAGE_INSTANCE_TEXT_WIDTH(i) \
813   IMAGE_INSTANCE_TEXT_WIDTH (XIMAGE_INSTANCE (i))
814 #define XIMAGE_INSTANCE_TEXT_HEIGHT(i) \
815   IMAGE_INSTANCE_TEXT_HEIGHT (XIMAGE_INSTANCE (i))
816 #define XIMAGE_INSTANCE_TEXT_ASCENT(i) \
817   IMAGE_INSTANCE_TEXT_ASCENT (XIMAGE_INSTANCE (i))
818 #define XIMAGE_INSTANCE_TEXT_DESCENT(i) \
819   IMAGE_INSTANCE_TEXT_DESCENT (XIMAGE_INSTANCE (i))
820
821 #define XIMAGE_INSTANCE_PIXMAP_WIDTH(i) \
822   IMAGE_INSTANCE_PIXMAP_WIDTH (XIMAGE_INSTANCE (i))
823 #define XIMAGE_INSTANCE_PIXMAP_HEIGHT(i) \
824   IMAGE_INSTANCE_PIXMAP_HEIGHT (XIMAGE_INSTANCE (i))
825 #define XIMAGE_INSTANCE_PIXMAP_DEPTH(i) \
826   IMAGE_INSTANCE_PIXMAP_DEPTH (XIMAGE_INSTANCE (i))
827 #define XIMAGE_INSTANCE_PIXMAP_FILENAME(i) \
828   IMAGE_INSTANCE_PIXMAP_FILENAME (XIMAGE_INSTANCE (i))
829 #define XIMAGE_INSTANCE_PIXMAP_MASK_FILENAME(i) \
830   IMAGE_INSTANCE_PIXMAP_MASK_FILENAME (XIMAGE_INSTANCE (i))
831 #define XIMAGE_INSTANCE_PIXMAP_HOTSPOT_X(i) \
832   IMAGE_INSTANCE_PIXMAP_HOTSPOT_X (XIMAGE_INSTANCE (i))
833 #define XIMAGE_INSTANCE_PIXMAP_HOTSPOT_Y(i) \
834   IMAGE_INSTANCE_PIXMAP_HOTSPOT_Y (XIMAGE_INSTANCE (i))
835 #define XIMAGE_INSTANCE_PIXMAP_FG(i) \
836   IMAGE_INSTANCE_PIXMAP_FG (XIMAGE_INSTANCE (i))
837 #define XIMAGE_INSTANCE_PIXMAP_BG(i) \
838   IMAGE_INSTANCE_PIXMAP_BG (XIMAGE_INSTANCE (i))
839 #define XIMAGE_INSTANCE_PIXMAP_MASK(i) \
840   IMAGE_INSTANCE_PIXMAP_MASK (XIMAGE_INSTANCE (i))
841 #define XIMAGE_INSTANCE_PIXMAP_SLICE(i) \
842   IMAGE_INSTANCE_PIXMAP_SLICE (XIMAGE_INSTANCE (i))
843 #define XIMAGE_INSTANCE_PIXMAP_MAXSLICE(i) \
844   IMAGE_INSTANCE_PIXMAP_MAXSLICE (XIMAGE_INSTANCE (i))
845 #define XIMAGE_INSTANCE_PIXMAP_TIMEOUT(i) \
846   IMAGE_INSTANCE_PIXMAP_TIMEOUT (XIMAGE_INSTANCE (i))
847
848 #define XIMAGE_INSTANCE_WIDGET_WIDTH(i) \
849   IMAGE_INSTANCE_WIDGET_WIDTH (XIMAGE_INSTANCE (i))
850 #define XIMAGE_INSTANCE_WIDGET_HEIGHT(i) \
851   IMAGE_INSTANCE_WIDGET_HEIGHT (XIMAGE_INSTANCE (i))
852 #define XIMAGE_INSTANCE_WIDGET_WIDTH_SUBR(i) \
853   IMAGE_INSTANCE_WIDGET_WIDTH_SUBR (XIMAGE_INSTANCE (i))
854 #define XIMAGE_INSTANCE_WIDGET_HEIGHT_SUBR(i) \
855   IMAGE_INSTANCE_WIDGET_HEIGHT_SUBR (XIMAGE_INSTANCE (i))
856 #define XIMAGE_INSTANCE_WIDGET_TYPE(i) \
857   IMAGE_INSTANCE_WIDGET_TYPE (XIMAGE_INSTANCE (i))
858 #define XIMAGE_INSTANCE_WIDGET_PROPS(i) \
859   IMAGE_INSTANCE_WIDGET_PROPS (XIMAGE_INSTANCE (i))
860 #define XIMAGE_INSTANCE_WIDGET_FACE(i) \
861   IMAGE_INSTANCE_WIDGET_FACE (XIMAGE_INSTANCE (i))
862 #define XSET_IMAGE_INSTANCE_WIDGET_FACE(i) \
863   SET_IMAGE_INSTANCE_WIDGET_FACE (XIMAGE_INSTANCE (i))
864 #define XIMAGE_INSTANCE_WIDGET_ITEM(i) \
865   IMAGE_INSTANCE_WIDGET_ITEM (XIMAGE_INSTANCE (i))
866 #define XIMAGE_INSTANCE_WIDGET_ITEMS(i) \
867   IMAGE_INSTANCE_WIDGET_ITEMS (XIMAGE_INSTANCE (i))
868 #define XIMAGE_INSTANCE_WIDGET_PENDING_ITEMS(i) \
869   IMAGE_INSTANCE_WIDGET_PENDING_ITEMS (XIMAGE_INSTANCE (i))
870 #define XIMAGE_INSTANCE_WIDGET_TEXT(i) \
871   IMAGE_INSTANCE_WIDGET_TEXT (XIMAGE_INSTANCE (i))
872 #define XIMAGE_INSTANCE_WIDGET_ACTION_OCCURRED(i) \
873   IMAGE_INSTANCE_WIDGET_ACTION_OCCURRED (XIMAGE_INSTANCE (i))
874
875 #define XIMAGE_INSTANCE_LAYOUT_CHILDREN(i) \
876   IMAGE_INSTANCE_LAYOUT_CHILDREN (XIMAGE_INSTANCE (i))
877 #define XIMAGE_INSTANCE_LAYOUT_BORDER(i) \
878   IMAGE_INSTANCE_LAYOUT_BORDER (XIMAGE_INSTANCE (i))
879
880 #define XIMAGE_INSTANCE_SUBWINDOW_ID(i) \
881   IMAGE_INSTANCE_SUBWINDOW_ID (XIMAGE_INSTANCE (i))
882 #define XIMAGE_INSTANCE_DISPLAY_X(i) \
883   IMAGE_INSTANCE_DISPLAY_X (XIMAGE_INSTANCE (i))
884 #define XIMAGE_INSTANCE_DISPLAY_Y(i) \
885   IMAGE_INSTANCE_DISPLAY_Y (XIMAGE_INSTANCE (i))
886 #define XIMAGE_INSTANCE_DISPLAY_WIDTH(i) \
887   IMAGE_INSTANCE_DISPLAY_WIDTH (XIMAGE_INSTANCE (i))
888 #define XIMAGE_INSTANCE_DISPLAY_HEIGHT(i) \
889   IMAGE_INSTANCE_DISPLAY_HEIGHT (XIMAGE_INSTANCE (i))
890 #define XIMAGE_INSTANCE_SUBWINDOW_DISPLAYEDP(i) \
891   IMAGE_INSTANCE_SUBWINDOW_DISPLAYEDP (XIMAGE_INSTANCE (i))
892 #define XIMAGE_INSTANCE_SUBWINDOW_ORIENT(i) \
893   IMAGE_INSTANCE_SUBWINDOW_ORIENT (XIMAGE_INSTANCE (i))
894 #define XIMAGE_INSTANCE_SUBWINDOW_JUSTIFY(i) \
895   IMAGE_INSTANCE_SUBWINDOW_JUSTIFY (XIMAGE_INSTANCE (i))
896 #define XIMAGE_INSTANCE_SUBWINDOW_FACE(i) \
897   IMAGE_INSTANCE_SUBWINDOW_FACE (XIMAGE_INSTANCE (i))
898
899 #define MARK_IMAGE_INSTANCE_CHANGED(i) \
900   (IMAGE_INSTANCE_DIRTYP (i) = 1);
901
902 Lisp_Object image_instance_device(Lisp_Object instance);
903 Lisp_Object image_instance_frame(Lisp_Object instance);
904 Lisp_Object image_instance_window(Lisp_Object instance);
905 int image_instance_live_p(Lisp_Object instance);
906
907 #ifdef HAVE_XPM
908 Lisp_Object evaluate_xpm_color_symbols(void);
909 Lisp_Object pixmap_to_lisp_data(Lisp_Object name, int ok_if_data_invalid);
910 #endif                          /* HAVE_XPM */
911 #ifdef HAVE_WINDOW_SYSTEM
912 Lisp_Object bitmap_to_lisp_data(Lisp_Object name, int *xhot, int *yhot,
913                                 int ok_if_data_invalid);
914 int read_bitmap_data_from_file(const char *filename, unsigned int *width,
915                                unsigned int *height, unsigned char **datap,
916                                int *x_hot, int *y_hot);
917 Lisp_Object xbm_mask_file_munging(Lisp_Object alist, Lisp_Object file,
918                                   Lisp_Object mask_file,
919                                   Lisp_Object console_type);
920 #endif
921
922 /************************************************************************/
923 /*                              Glyph Object                            */
924 /************************************************************************/
925
926 enum glyph_type {
927         GLYPH_UNKNOWN,
928         GLYPH_BUFFER,
929         GLYPH_POINTER,
930         GLYPH_ICON
931 };
932
933 struct Lisp_Glyph {
934         struct lcrecord_header header;
935
936         enum glyph_type type;
937
938         /* specifiers: */
939         Lisp_Object image;      /* the actual image */
940         Lisp_Object contrib_p;  /* whether to figure into line height */
941         Lisp_Object baseline;   /* percent above baseline */
942
943         Lisp_Object face;       /* if non-nil, face to use when displaying */
944
945         Lisp_Object plist;
946         void (*after_change) (Lisp_Object glyph, Lisp_Object property,
947                               Lisp_Object locale);
948
949         unsigned int dirty:1;   /* So that we can selectively
950                                    redisplay changed glyphs. */
951 };
952 typedef struct Lisp_Glyph Lisp_Glyph;
953
954 DECLARE_LRECORD(glyph, Lisp_Glyph);
955 #define XGLYPH(x) XRECORD (x, glyph, Lisp_Glyph)
956 #define XSETGLYPH(x, p) XSETRECORD (x, p, glyph)
957 #define GLYPHP(x) RECORDP (x, glyph)
958 #define CHECK_GLYPH(x) CHECK_RECORD (x, glyph)
959 #define CONCHECK_GLYPH(x) CONCHECK_RECORD (x, glyph)
960
961 #define CHECK_BUFFER_GLYPH(x) do {                      \
962   CHECK_GLYPH (x);                                      \
963   if (XGLYPH (x)->type != GLYPH_BUFFER)                 \
964     x = wrong_type_argument (Qbuffer_glyph_p, (x));     \
965 } while (0)
966
967 #define CHECK_POINTER_GLYPH(x) do {                     \
968   CHECK_GLYPH (x);                                      \
969   if (XGLYPH (x)->type != GLYPH_POINTER)                \
970     x = wrong_type_argument (Qpointer_glyph_p, (x));    \
971 } while (0)
972
973 #define CHECK_ICON_GLYPH(x) do {                        \
974   CHECK_GLYPH (x);                                      \
975   if (XGLYPH (x)->type != GLYPH_ICON)                   \
976     x = wrong_type_argument (Qicon_glyph_p, (x));       \
977 } while (0)
978
979 #define GLYPH_TYPE(g) ((g)->type)
980 #define GLYPH_IMAGE(g) ((g)->image)
981 #define GLYPH_CONTRIB_P(g) ((g)->contrib_p)
982 #define GLYPH_BASELINE(g) ((g)->baseline)
983 #define GLYPH_FACE(g) ((g)->face)
984 #define GLYPH_DIRTYP(g) ((g)->dirty)
985
986 #define XGLYPH_TYPE(g) GLYPH_TYPE (XGLYPH (g))
987 #define XGLYPH_IMAGE(g) GLYPH_IMAGE (XGLYPH (g))
988 #define XGLYPH_CONTRIB_P(g) GLYPH_CONTRIB_P (XGLYPH (g))
989 #define XGLYPH_BASELINE(g) GLYPH_BASELINE (XGLYPH (g))
990 #define XGLYPH_FACE(g) GLYPH_FACE (XGLYPH (g))
991 #define XGLYPH_DIRTYP(g) GLYPH_DIRTYP (XGLYPH (g))
992
993 #define MARK_GLYPH_CHANGED(g) (GLYPH_DIRTYP (g) = 1);
994
995 extern Lisp_Object Qxpm, Qxface, Qetched_in, Qetched_out, Qbevel_in, Qbevel_out;
996 extern Lisp_Object Q_data, Q_file, Q_color_symbols, Qconst_glyph_variable;
997 extern Lisp_Object Qxbm, Qedit_field, Qgroup, Qlabel, Qcombo_box, Qscrollbar;
998 extern Lisp_Object Qtree_view, Qtab_control, Qprogress_gauge, Q_border;
999 extern Lisp_Object Q_mask_file, Q_mask_data, Q_hotspot_x, Q_hotspot_y;
1000 extern Lisp_Object Q_foreground, Q_background, Q_face, Q_descriptor, Q_group;
1001 extern Lisp_Object Q_width, Q_height, Q_pixel_width, Q_pixel_height, Q_text;
1002 extern Lisp_Object Q_items, Q_properties, Q_image, Qimage_conversion_error;
1003 extern Lisp_Object Q_orientation, Q_margin_width;
1004 extern Lisp_Object Vcontinuation_glyph, Vcontrol_arrow_glyph, Vhscroll_glyph;
1005 extern Lisp_Object Vinvisible_text_glyph, Voctal_escape_glyph,
1006     Vtruncation_glyph;
1007 extern Lisp_Object Vsxemacs_logo;
1008
1009 unsigned short glyph_width(Lisp_Object glyph, Lisp_Object domain);
1010 unsigned short glyph_ascent(Lisp_Object glyph, Lisp_Object domain);
1011 unsigned short glyph_descent(Lisp_Object glyph, Lisp_Object domain);
1012 unsigned short glyph_height(Lisp_Object glyph, Lisp_Object domain);
1013 Lisp_Object glyph_baseline(Lisp_Object glyph, Lisp_Object domain);
1014 Lisp_Object glyph_face(Lisp_Object glyph, Lisp_Object domain);
1015 int glyph_contrib_p(Lisp_Object glyph, Lisp_Object domain);
1016 Lisp_Object glyph_image_instance(Lisp_Object glyph,
1017                                  Lisp_Object domain,
1018                                  Error_behavior errb, int no_quit);
1019 void file_or_data_must_be_present(Lisp_Object instantiator);
1020 void data_must_be_present(Lisp_Object instantiator);
1021 Lisp_Object make_string_from_file(Lisp_Object file);
1022 Lisp_Object tagged_vector_to_alist(Lisp_Object vector);
1023 Lisp_Object alist_to_tagged_vector(Lisp_Object tag, Lisp_Object alist);
1024 void string_instantiate(Lisp_Object image_instance, Lisp_Object instantiator,
1025                         Lisp_Object pointer_fg, Lisp_Object pointer_bg,
1026                         int dest_mask, Lisp_Object domain);
1027 int tab_control_order_only_changed(Lisp_Object image_instance);
1028 Lisp_Object allocate_glyph(enum glyph_type type,
1029                            void (*after_change) (Lisp_Object glyph,
1030                                                  Lisp_Object property,
1031                                                  Lisp_Object locale));
1032 Lisp_Object normalize_image_instantiator(Lisp_Object instantiator,
1033                                          Lisp_Object contype,
1034                                          Lisp_Object dest_mask);
1035 void glyph_query_geometry(Lisp_Object glyph_or_image, int *width, int *height,
1036                           enum image_instance_geometry disp,
1037                           Lisp_Object domain);
1038 void glyph_do_layout(Lisp_Object glyph_or_image, int width, int height,
1039                      int xoffset, int yoffset, Lisp_Object domain);
1040 void query_string_geometry(Lisp_Object string, Lisp_Object face,
1041                            int *width, int *height, int *descent,
1042                            Lisp_Object domain);
1043 Lisp_Object query_string_font(Lisp_Object string,
1044                               Lisp_Object face, Lisp_Object domain);
1045 Lisp_Object add_glyph_animated_timeout(EMACS_INT tickms, Lisp_Object device);
1046 void disable_glyph_animated_timeout(int i);
1047
1048 /************************************************************************/
1049 /*                              Glyph Cachels                           */
1050 /************************************************************************/
1051
1052 typedef struct glyph_cachel glyph_cachel;
1053 struct glyph_cachel {
1054         Lisp_Object glyph;
1055
1056         unsigned int dirty:1;   /* I'm copying faces here. I'm not
1057                                    sure why we need two dirty
1058                                    flags. Maybe because an image
1059                                    instance can be dirty and so we
1060                                    need to frob this in the same way
1061                                    as other image instance properties.  */
1062         unsigned int updated:1;
1063
1064         unsigned short width;
1065         unsigned short ascent;
1066         unsigned short descent;
1067 };
1068
1069 #define CONT_GLYPH_INDEX        (glyph_index) 0
1070 #define TRUN_GLYPH_INDEX        (glyph_index) 1
1071 #define HSCROLL_GLYPH_INDEX     (glyph_index) 2
1072 #define CONTROL_GLYPH_INDEX     (glyph_index) 3
1073 #define OCT_ESC_GLYPH_INDEX     (glyph_index) 4
1074 #define INVIS_GLYPH_INDEX       (glyph_index) 5
1075
1076 #ifdef ERROR_CHECK_GLYPHS
1077
1078 #include "window.h"
1079
1080 extern_inline int GLYPH_CACHEL_WIDTH(struct window *window, int ind);
1081 extern_inline int GLYPH_CACHEL_WIDTH(struct window *window, int ind)
1082 {
1083         int wid = Dynarr_atp(window->glyph_cachels, ind)->width;
1084         assert(wid >= 0 && wid < 10000);
1085         return wid;
1086 }
1087 extern_inline int GLYPH_CACHEL_ASCENT(struct window *window, int ind);
1088 extern_inline int GLYPH_CACHEL_ASCENT(struct window *window, int ind)
1089 {
1090         int wid = Dynarr_atp(window->glyph_cachels, ind)->ascent;
1091         assert(wid >= 0 && wid < 10000);
1092         return wid;
1093 }
1094 extern_inline int GLYPH_CACHEL_DESCENT(struct window *window, int ind);
1095 extern_inline int GLYPH_CACHEL_DESCENT(struct window *window, int ind)
1096 {
1097         int wid = Dynarr_atp(window->glyph_cachels, ind)->descent;
1098         assert(wid >= 0 && wid < 10000);
1099         return wid;
1100 }
1101
1102 #else                           /* not ERROR_CHECK_GLYPHS */
1103
1104 #define GLYPH_CACHEL_WIDTH(window, ind)         \
1105   Dynarr_atp (window->glyph_cachels, ind)->width
1106 #define GLYPH_CACHEL_ASCENT(window, ind)                \
1107   Dynarr_atp (window->glyph_cachels, ind)->ascent
1108 #define GLYPH_CACHEL_DESCENT(window, ind)               \
1109   Dynarr_atp (window->glyph_cachels, ind)->descent
1110
1111 #endif                          /* not ERROR_CHECK_GLYPHS */
1112
1113 #define GLYPH_CACHEL(window, ind)                       \
1114   Dynarr_atp (window->glyph_cachels, ind)
1115 #define GLYPH_CACHEL_GLYPH(window, ind)         \
1116   Dynarr_atp (window->glyph_cachels, ind)->glyph
1117 #define GLYPH_CACHEL_DIRTYP(window, ind)                \
1118   Dynarr_atp (window->glyph_cachels, ind)->dirty
1119
1120 void mark_glyph_cachels(glyph_cachel_dynarr * elements);
1121 void mark_glyph_cachels_as_not_updated(struct window *w);
1122 void mark_glyph_cachels_as_clean(struct window *w);
1123 void reset_glyph_cachels(struct window *w);
1124 glyph_index get_glyph_cachel_index(struct window *w, Lisp_Object glyph);
1125
1126 #ifdef MEMORY_USAGE_STATS
1127 int compute_glyph_cachel_usage(glyph_cachel_dynarr * glyph_cachels,
1128                                struct overhead_stats *ovstats);
1129 #endif                          /* MEMORY_USAGE_STATS */
1130
1131 /************************************************************************/
1132 /*                              Display Tables                          */
1133 /************************************************************************/
1134
1135 Lisp_Object display_table_entry(Emchar, Lisp_Object, Lisp_Object);
1136 void get_display_tables(struct window *, face_index,
1137                         Lisp_Object *, Lisp_Object *);
1138
1139 /****************************************************************************
1140  *                            Subwindow Object                              *
1141  ****************************************************************************/
1142
1143 void unmap_subwindow(Lisp_Object subwindow);
1144 void map_subwindow(Lisp_Object subwindow, int x, int y,
1145                    struct display_glyph_area *dga);
1146 int find_matching_subwindow(struct frame *f, int x, int y, int width,
1147                             int height);
1148 void redisplay_widget(Lisp_Object widget);
1149 void update_widget_instances(Lisp_Object frame);
1150 void redisplay_subwindow(Lisp_Object subwindow);
1151 Lisp_Object image_instance_parent_glyph(struct Lisp_Image_Instance *);
1152 int image_instance_changed(Lisp_Object image);
1153 void free_frame_subwindow_instances(struct frame *f);
1154 void reset_frame_subwindow_instance_cache(struct frame *f);
1155 int unmap_subwindow_instance_cache_mapper(Lisp_Object key,
1156                                           Lisp_Object value, void *finalize);
1157
1158 struct expose_ignore {
1159         unsigned int x, y;
1160         unsigned int width, height;
1161         struct expose_ignore *next;
1162 };
1163
1164 int check_for_ignored_expose(struct frame *f, int x, int y, int width,
1165                              int height);
1166 extern int hold_ignored_expose_registration;
1167
1168 #define ROUND_UP(arg, unit) (((int)((arg) + (unit) - 1) / (int)(unit)) * (int)(unit))
1169
1170 \f
1171 /* inlines */
1172 static inline Lisp_Object
1173 IMAGE_INSTANCE_FACE(Lisp_Image_Instance *i)
1174 {
1175         Lisp_Object tmp = IMAGE_INSTANCE_GLYPH(i);
1176
1177         if (GLYPHP(tmp)) {
1178                 return XGLYPH_FACE(tmp);
1179         } else {
1180                 return Qnil;
1181         }
1182 }
1183
1184 static inline Lisp_Object
1185 IMAGE_INSTANCE_WIDGET_FACE(Lisp_Image_Instance *i)
1186 {
1187         extern Lisp_Object Vwidget_face;
1188         Lisp_Object res;
1189
1190         if (!NILP(res = (i)->u.subwindow.face)) {
1191                 return res;
1192         } else if (!NILP(res = IMAGE_INSTANCE_FACE(i))) {
1193                 return res;
1194         } else {
1195                 return Vwidget_face;
1196         }
1197 }
1198
1199 #endif  /* INCLUDED_glyphs_h_ */