File: gtk-support.c

package info (click to toggle)
guile-gtk-1.2 0.31-3
  • links: PTS
  • area: main
  • in suites: sarge
  • size: 2,544 kB
  • ctags: 2,413
  • sloc: sh: 11,073; ansic: 3,380; lisp: 1,058; makefile: 106
file content (654 lines) | stat: -rw-r--r-- 12,767 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
/*
 * Copyright (C) 1997, 1998, 1999, 2002 Marius Vollmer
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this software; see the file COPYING.  If not, write to
 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <config.h>
#include <libguile.h>
#include <guile-gtk.h>
#ifdef GTK_2_0
#include <gtk-2.0/gdk/gdkprivate.h>
#else
#include <gtk-1.2/gdk/gdkprivate.h>
#endif
#include "gtk-threads.h"

/* It is not strictly correct to have Gdk support functions here.  But
   as long as we do not want to have some SCM_PROCs for the (gdk gdk)
   module, we are safe. */



GdkColor *
gdk_color_intern (GdkColor *color)
{
  return color;
}

GdkFont *
gdk_font_intern (GdkFont *font)
{
  return font;
}

GdkGC *
gtk_style_fg_gc (GtkStyle *style, GtkStateType state)
{
  if (style == NULL || state < 0 || state >= 5)
    return NULL;

  return style->fg_gc[state];
}

GdkGC *
gtk_style_bg_gc (GtkStyle *style, GtkStateType state)
{
  if (style == NULL || state < 0 || state >= 5)
    return NULL;

  return style->bg_gc[state];
}

GdkGC *
gtk_style_light_gc (GtkStyle *style, GtkStateType state)
{
  if (style == NULL || state < 0 || state >= 5)
    return NULL;

  return style->light_gc[state];
}

GdkGC *
gtk_style_dark_gc (GtkStyle *style, GtkStateType state)
{
  if (style == NULL || state < 0 || state >= 5)
    return NULL;

  return style->dark_gc[state];
}

GdkGC *
gtk_style_mid_gc (GtkStyle *style, GtkStateType state)
{
  if (style == NULL || state < 0 || state >= 5)
    return NULL;

  return style->mid_gc[state];
}

GdkGC *
gtk_style_text_gc (GtkStyle *style, GtkStateType state)
{
  if (style == NULL || state < 0 || state >= 5)
    return NULL;

  return style->text_gc[state];
}

GdkGC *
gtk_style_base_gc (GtkStyle *style, GtkStateType state)
{
  if (style == NULL || state < 0 || state >= 5)
    return NULL;

  return style->base_gc[state];
}

/* Event destructuring */

GdkEventType
gdk_event_type (GdkEvent *event)
{
  return event->any.type;
}

GdkWindow *
gdk_event_window (GdkEvent *event)
{
  return event->any.window;
}

gboolean
gdk_event_send_event (GdkEvent *event)
{
  return event->any.send_event;
}

GdkRectangle
gdk_event_area (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_EXPOSE:
      return event->expose.area;
    default:
      {
	GdkRectangle r = { 0, 0, 0, 0 };
	return r;
      }
    }
}

GdkVisibilityState
gdk_event_visibility_state (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_VISIBILITY_NOTIFY:
      return event->visibility.state;
    default:
      return GDK_VISIBILITY_UNOBSCURED; // XXX
    }
}

guint32
gdk_event_time (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_MOTION_NOTIFY:
      return event->motion.time;
    case GDK_BUTTON_PRESS:
    case GDK_BUTTON_RELEASE:
      return event->button.time;
    case GDK_KEY_PRESS:
    case GDK_KEY_RELEASE:
      return event->key.time;
      return event->key.time;
    case GDK_PROPERTY_NOTIFY:
      return event->property.time;
    case GDK_SELECTION_CLEAR:
    case GDK_SELECTION_REQUEST:
    case GDK_SELECTION_NOTIFY:
      return event->selection.time;
    case GDK_PROXIMITY_IN:
    case GDK_PROXIMITY_OUT:
      return event->proximity.time;
    default:
      return 0;
    }
}

gdouble
gdk_event_x (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_MOTION_NOTIFY:
      return event->motion.x;
    case GDK_BUTTON_PRESS:
    case GDK_BUTTON_RELEASE:
      return event->button.x;
    case GDK_ENTER_NOTIFY:
    case GDK_LEAVE_NOTIFY:
      return event->crossing.x;
    default:
      return 0;
    }
}

gdouble
gdk_event_y (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_MOTION_NOTIFY:
      return event->motion.y;
    case GDK_BUTTON_PRESS:
    case GDK_BUTTON_RELEASE:
      return event->button.y;
    case GDK_ENTER_NOTIFY:
    case GDK_LEAVE_NOTIFY:
      return event->crossing.y;
    default:
      return 0;
    }
}
#ifdef GTK_2_0
#else
gdouble
gdk_event_pressure (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_MOTION_NOTIFY:
      return event->motion.pressure;
    case GDK_BUTTON_PRESS:
    case GDK_BUTTON_RELEASE:
      return event->button.pressure;
    default:
      return 0;
    }
}

gdouble
gdk_event_xtilt (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_MOTION_NOTIFY:
      return event->motion.xtilt;
    case GDK_BUTTON_PRESS:
    case GDK_BUTTON_RELEASE:
      return event->button.xtilt;
    default:
      return 0;
    }
}

gdouble
gdk_event_ytilt (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_MOTION_NOTIFY:
      return event->motion.ytilt;
    case GDK_BUTTON_PRESS:
    case GDK_BUTTON_RELEASE:
      return event->button.ytilt;
    default:
      return 0;
    }
}
#endif
gint
gdk_event_button (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_BUTTON_PRESS:
    case GDK_BUTTON_RELEASE:
      return event->button.button;
    default:
      return 0;
    }
}

guint
gdk_event_state (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_MOTION_NOTIFY:
      return event->motion.state;
    case GDK_BUTTON_PRESS:
    case GDK_BUTTON_RELEASE:
      return event->button.state;
    case GDK_KEY_PRESS:
    case GDK_KEY_RELEASE:
      return event->key.state;
    default:
      return 0;
    }
}

gboolean
gdk_event_is_hint (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_MOTION_NOTIFY:
      return event->motion.is_hint;
    default:
      return 0;
    }
}
#ifndef GTK_2_0
GdkInputSource
gdk_event_source (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_MOTION_NOTIFY:
      return event->motion.source;
    case GDK_BUTTON_PRESS:
    case GDK_BUTTON_RELEASE:
      return event->button.source;
    default:
      return GDK_SOURCE_MOUSE; /* XXX */
    }
}


guint32
gdk_event_deviceid (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_MOTION_NOTIFY:
      return event->motion.deviceid;
    case GDK_BUTTON_PRESS:
    case GDK_BUTTON_RELEASE:
      return event->button.deviceid;
    default:
      return 0;
    }
}
#endif

gdouble
gdk_event_x_root (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_MOTION_NOTIFY:
      return event->motion.x_root;
    case GDK_BUTTON_PRESS:
    case GDK_BUTTON_RELEASE:
      return event->button.x_root;
    default:
      return 0;
    }
}

gdouble
gdk_event_y_root (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_MOTION_NOTIFY:
      return event->motion.y_root;
    case GDK_BUTTON_PRESS:
    case GDK_BUTTON_RELEASE:
      return event->button.y_root;
    default:
      return 0;
    }
}

guint
gdk_event_keyval (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_KEY_PRESS:
    case GDK_KEY_RELEASE:
      return event->key.keyval;
    default:
      return 0;
    }
}

gchar *
gdk_event_string (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_KEY_PRESS:
    case GDK_KEY_RELEASE:
      {
	gchar *str = g_malloc (event->key.length+1);
	strncpy (str, event->key.string, event->key.length);
	str[event->key.length] = '\0';
	return str;
      }
    default:
      return NULL;
    }
}

GdkWindow *
gdk_event_subwindow (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_ENTER_NOTIFY:
    case GDK_LEAVE_NOTIFY:
      return event->crossing.subwindow;
    default:
      return 0;
    }
}

GdkNotifyType
gdk_event_notify_detail (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_ENTER_NOTIFY:
    case GDK_LEAVE_NOTIFY:
      return event->crossing.detail;
    default:
      return 0;
    }
}

gboolean
gdk_event_in (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_FOCUS_CHANGE:
      return event->focus_change.in;
    default:
      return 0;
    }
}

gint16
gdk_event_configure_x (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_CONFIGURE:
      return event->configure.x;
    default:
      return 0;
    }
}

gint16
gdk_event_configure_y (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_CONFIGURE:
      return event->configure.y;
    default:
      return 0;
    }
}

gint16
gdk_event_configure_width (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_CONFIGURE:
      return event->configure.width;
    default:
      return 0;
    }
}

gint16
gdk_event_configure_height (GdkEvent *event)
{
  switch (event->any.type)
    {
    case GDK_CONFIGURE:
      return event->configure.height;
    default:
      return 0;
    }
}

#ifndef GTK_2_0
guint32
gdk_get_leader_window_id ()
{
  return (guint32) gdk_leader_window;
}

guint32
gdk_window_get_id (GdkWindow *window)
{
  return (guint32) ((GdkWindowPrivate*)window)->xwindow;
}
#endif

SCM
gdk_window_get_size_scm (GdkWindow *window)
{
  gint width;
  gint height;
  gdk_window_get_size (window, &width, &height);
  return scm_cons (SCM_MAKINUM (width), SCM_MAKINUM (height));
}

SCM
gdk_window_get_origin_scm (GdkWindow *window)
{
  gint x;
  gint y;
  gdk_window_get_origin (window, &x, &y);
  return scm_cons (SCM_MAKINUM (x), SCM_MAKINUM (y));
}

void
gdk_draw_text_scm (GdkDrawable  *drawable,
		   GdkFont      *font,
		   GdkGC	       *gc,
		   gint		x,
		   gint		y,
		   const gchar  *text)
{
  gdk_draw_text (drawable, font, gc, x, y, text, strlen(text));
}

SCM_SYMBOL (sym_type, "-type");
SCM_SYMBOL (sym_flags, "-flags");

static SCM kw_type;
static SCM kw_flags;

extern sgtk_enum_info sgtk_gtk_arg_flags_info;

SCM
gtk_object_query_args_scm (GtkType type)
{
  guint nargs;
  guint32 *arg_flags = NULL;
  GtkArg *args;
  SCM res = SCM_EOL, *restail = &res;
  int i;

  args = gtk_object_query_args (type, &arg_flags, &nargs);
  if (args == NULL)
    {
      if (arg_flags)
	g_free (arg_flags);
      return SCM_BOOL_F;
    }

  for (i = 0; i < nargs; i++)
    {
      *restail =
	scm_cons (scm_list_n (scm_makfrom0str (args[i].name),
			      kw_type,
			      sgtk_type2scm (args[i].type),
			      kw_flags,
			      sgtk_flags2scm (arg_flags[i],
					      &sgtk_gtk_arg_flags_info),
			      SCM_UNDEFINED),
		  SCM_EOL);
      restail = SCM_CDRLOC(*restail);
    }

  g_free (args);
  g_free (arg_flags);

  return res;
}

int
gtk_editable_insert_text_scm (GtkEditable *editable,
			      gchar       *text,
			      int          position)
{
  gtk_editable_insert_text (editable, text, strlen (text), &position);
  return position;
}

int gtk_widget_allocation_width_scm (GtkWidget *widget)
{
  return widget->allocation.width;
}

int gtk_widget_allocation_height_scm (GtkWidget *widget)
{
  return widget->allocation.height;
}

int gtk_widget_allocation_x_scm (GtkWidget *widget)
{
  return widget->allocation.x;
}

int gtk_widget_allocation_y_scm (GtkWidget *widget)
{
  return widget->allocation.y;
}

void* g_timer_fake_copy (void* ptr)
{
  return ptr;
}

void *gtk_no_copy (void *ptr)
{
  return NULL;
}

void gtk_no_free (void *ptr)
{
}



/* These SCM_PROCs are here to have them initialized in
   sgtk_init_gtk_support.  Having them in sgtk_init_substrate is wrong
   because then they are not guaranteed to end up in the (gtk gtk)
   module. */

SCM_PROC (s_gtk_callback_trampoline, "gtk-callback-trampoline", 0, 1, 0, sgtk_callback_trampoline);
SCM_PROC (s_gtk_standalone_p, "gtk-standalone?", 0, 0, 0, sgtk_standalone_p);

SCM sgtk_gtk_object_new (SCM, SCM);
SCM sgtk_gtk_object_set (SCM, SCM);
SCM sgtk_gtk_object_get (SCM, SCM);

SCM_PROC (s_gtk_object_new, "gtk-object-new", 1, 0, 1, sgtk_gtk_object_new);
SCM_PROC (s_gtk_object_set, "gtk-object-set", 1, 0, 1, sgtk_gtk_object_set);
SCM_PROC (s_gtk_object_get, "gtk-object-get", 2, 0, 0, sgtk_gtk_object_get);
SCM_PROC (s_gtk_widget_new, "gtk-widget-new", 1, 0, 1, sgtk_gtk_object_new);
SCM_PROC (s_gtk_widget_set, "gtk-widget-set", 1, 0, 1, sgtk_gtk_object_set);
SCM_PROC (s_gtk_widget_get, "gtk-widget-get", 2, 0, 0, sgtk_gtk_object_get);

SCM_PROC (s_gtk_threads_update, "gtk-threads-update", 0, 0, 0, sgtk_threads_update);

void
sgtk_init_gtk_support ()
{
#ifndef SCM_MAGIC_SNARFER
#ifndef MKDEP
#include "gtk-support.x"
#endif /* MKDEP */
#endif /* SCM_MAGIC_SNARFER */

  kw_type = scm_make_keyword_from_dash_symbol (sym_type);
  kw_flags = scm_make_keyword_from_dash_symbol (sym_flags);
}