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1 | /* /////////////////////////////////////////////////////////////////////////// | |
2 | // Name: win_gtk.c | |
3 | // Purpose: native GTK+ widget for wxWindows | |
4 | // Author: Robert Roebling | |
5 | // Id: $Id$ | |
6 | // Copyright: (c) 1998 Robert Roebling | |
7 | // Licence: wxWindows licence | |
8 | /////////////////////////////////////////////////////////////////////////// */ | |
9 | ||
10 | #include "wx/gtk/win_gtk.h" | |
11 | #include <gtk/gtkfeatures.h> | |
12 | ||
13 | /*------------------------------------------------------------------------- | |
14 | // conditional compilation | |
15 | //------------------------------------------------------------------------- */ | |
16 | ||
17 | #if (GTK_MINOR_VERSION == 1) | |
18 | #if (GTK_MICRO_VERSION >= 5) | |
19 | #define NEW_GTK_CONSTRUCT_CODE | |
20 | #endif | |
21 | #endif | |
22 | ||
23 | #ifdef __cplusplus | |
24 | extern "C" { | |
25 | #endif /* __cplusplus */ | |
26 | ||
27 | static void gtk_myfixed_class_init (GtkMyFixedClass *klass); | |
28 | static void gtk_myfixed_init (GtkMyFixed *myfixed); | |
29 | static void gtk_myfixed_map (GtkWidget *widget); | |
30 | #ifndef NEW_GTK_CONSTRUCT_CODE | |
31 | static void gtk_myfixed_unmap (GtkWidget *widget); | |
32 | #endif | |
33 | static void gtk_myfixed_realize (GtkWidget *widget); | |
34 | static void gtk_myfixed_size_request (GtkWidget *widget, | |
35 | GtkRequisition *requisition); | |
36 | static void gtk_myfixed_size_allocate (GtkWidget *widget, | |
37 | GtkAllocation *allocation); | |
38 | static void gtk_myfixed_paint (GtkWidget *widget, | |
39 | GdkRectangle *area); | |
40 | static void gtk_myfixed_draw (GtkWidget *widget, | |
41 | GdkRectangle *area); | |
42 | static gint gtk_myfixed_expose (GtkWidget *widget, | |
43 | GdkEventExpose *event); | |
44 | static void gtk_myfixed_add (GtkContainer *container, | |
45 | GtkWidget *widget); | |
46 | static void gtk_myfixed_remove (GtkContainer *container, | |
47 | GtkWidget *widget); | |
48 | static void gtk_myfixed_foreach (GtkContainer *container, | |
49 | #if (GTK_MINOR_VERSION == 1) | |
50 | gboolean include_internals, | |
51 | #endif | |
52 | GtkCallback callback, | |
53 | gpointer callback_data); | |
54 | #ifdef NEW_GTK_CONSTRUCT_CODE | |
55 | static GtkType gtk_myfixed_child_type (GtkContainer *container); | |
56 | #endif | |
57 | ||
58 | ||
59 | static GtkContainerClass *parent_class = NULL; | |
60 | ||
61 | ||
62 | guint | |
63 | gtk_myfixed_get_type () | |
64 | { | |
65 | static guint myfixed_type = 0; | |
66 | ||
67 | if (!myfixed_type) | |
68 | { | |
69 | GtkTypeInfo myfixed_info = | |
70 | { | |
71 | "GtkMyFixed", | |
72 | sizeof (GtkMyFixed), | |
73 | sizeof (GtkMyFixedClass), | |
74 | (GtkClassInitFunc) gtk_myfixed_class_init, | |
75 | (GtkObjectInitFunc) gtk_myfixed_init, | |
76 | #ifndef NEW_GTK_CONSTRUCT_CODE | |
77 | (GtkArgSetFunc) NULL, | |
78 | (GtkArgGetFunc) NULL, | |
79 | #else | |
80 | /* reserved_1 */ NULL, | |
81 | /* reserved_2 */ NULL, | |
82 | (GtkClassInitFunc) NULL, | |
83 | #endif | |
84 | }; | |
85 | ||
86 | myfixed_type = gtk_type_unique (gtk_container_get_type (), &myfixed_info); | |
87 | } | |
88 | ||
89 | return myfixed_type; | |
90 | } | |
91 | ||
92 | static void | |
93 | gtk_myfixed_class_init (GtkMyFixedClass *klass) | |
94 | { | |
95 | GtkObjectClass *object_class; | |
96 | GtkWidgetClass *widget_class; | |
97 | GtkContainerClass *container_class; | |
98 | ||
99 | object_class = (GtkObjectClass*) klass; | |
100 | widget_class = (GtkWidgetClass*) klass; | |
101 | container_class = (GtkContainerClass*) klass; | |
102 | ||
103 | #ifndef NEW_GTK_CONSTRUCT_CODE | |
104 | parent_class = gtk_type_class (gtk_container_get_type ()); | |
105 | #else | |
106 | parent_class = gtk_type_class (GTK_TYPE_CONTAINER); | |
107 | #endif | |
108 | ||
109 | widget_class->map = gtk_myfixed_map; | |
110 | #ifndef NEW_GTK_CONSTRUCT_CODE | |
111 | widget_class->unmap = gtk_myfixed_unmap; | |
112 | #endif | |
113 | widget_class->realize = gtk_myfixed_realize; | |
114 | widget_class->size_request = gtk_myfixed_size_request; | |
115 | widget_class->size_allocate = gtk_myfixed_size_allocate; | |
116 | widget_class->draw = gtk_myfixed_draw; | |
117 | widget_class->expose_event = gtk_myfixed_expose; | |
118 | ||
119 | container_class->add = gtk_myfixed_add; | |
120 | container_class->remove = gtk_myfixed_remove; | |
121 | #if (GTK_MINOR_VERSION == 1) | |
122 | container_class->forall = gtk_myfixed_foreach; | |
123 | #else | |
124 | container_class->foreach = gtk_myfixed_foreach; | |
125 | #endif | |
126 | ||
127 | #ifdef NEW_GTK_CONSTRUCT_CODE | |
128 | container_class->child_type = gtk_myfixed_child_type; | |
129 | #endif | |
130 | } | |
131 | ||
132 | #ifdef NEW_GTK_CONSTRUCT_CODE | |
133 | static GtkType | |
134 | gtk_myfixed_child_type (GtkContainer *container) | |
135 | { | |
136 | return GTK_TYPE_WIDGET; | |
137 | } | |
138 | #endif | |
139 | ||
140 | static void | |
141 | gtk_myfixed_init (GtkMyFixed *myfixed) | |
142 | { | |
143 | GTK_WIDGET_UNSET_FLAGS (myfixed, GTK_NO_WINDOW); | |
144 | ||
145 | #ifndef NEW_GTK_CONSTRUCT_CODE | |
146 | GTK_WIDGET_SET_FLAGS (myfixed, GTK_BASIC); | |
147 | #endif | |
148 | ||
149 | myfixed->children = NULL; | |
150 | } | |
151 | ||
152 | GtkWidget* | |
153 | gtk_myfixed_new () | |
154 | { | |
155 | GtkMyFixed *myfixed; | |
156 | ||
157 | myfixed = gtk_type_new (gtk_myfixed_get_type ()); | |
158 | ||
159 | return GTK_WIDGET (myfixed); | |
160 | } | |
161 | ||
162 | void | |
163 | gtk_myfixed_put (GtkMyFixed *myfixed, | |
164 | GtkWidget *widget, | |
165 | gint16 x, | |
166 | gint16 y) | |
167 | { | |
168 | GtkMyFixedChild *child_info; | |
169 | ||
170 | g_return_if_fail (myfixed != NULL); | |
171 | g_return_if_fail (GTK_IS_MYFIXED (myfixed)); | |
172 | g_return_if_fail (widget != NULL); | |
173 | ||
174 | child_info = g_new (GtkMyFixedChild, 1); | |
175 | child_info->widget = widget; | |
176 | child_info->x = x; | |
177 | child_info->y = y; | |
178 | ||
179 | gtk_widget_set_parent (widget, GTK_WIDGET (myfixed)); | |
180 | ||
181 | myfixed->children = g_list_append (myfixed->children, child_info); | |
182 | ||
183 | if (GTK_WIDGET_REALIZED (myfixed) && !GTK_WIDGET_REALIZED (widget)) | |
184 | gtk_widget_realize (widget); | |
185 | ||
186 | if (GTK_WIDGET_MAPPED (myfixed) && !GTK_WIDGET_MAPPED (widget)) | |
187 | gtk_widget_map (widget); | |
188 | ||
189 | if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (myfixed)) | |
190 | gtk_widget_queue_resize (GTK_WIDGET (myfixed)); | |
191 | } | |
192 | ||
193 | void | |
194 | gtk_myfixed_move (GtkMyFixed *myfixed, | |
195 | GtkWidget *widget, | |
196 | gint16 x, | |
197 | gint16 y) | |
198 | { | |
199 | GtkMyFixedChild *child; | |
200 | GList *children; | |
201 | ||
202 | g_return_if_fail (myfixed != NULL); | |
203 | g_return_if_fail (GTK_IS_MYFIXED (myfixed)); | |
204 | g_return_if_fail (widget != NULL); | |
205 | ||
206 | children = myfixed->children; | |
207 | while (children) | |
208 | { | |
209 | child = children->data; | |
210 | children = children->next; | |
211 | ||
212 | if (child->widget == widget) | |
213 | { | |
214 | if ((child->x == x) && (child->y == y)) return; | |
215 | ||
216 | child->x = x; | |
217 | child->y = y; | |
218 | ||
219 | if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (myfixed)) | |
220 | gtk_widget_queue_resize (GTK_WIDGET (myfixed)); | |
221 | ||
222 | break; | |
223 | } | |
224 | } | |
225 | } | |
226 | ||
227 | static void | |
228 | gtk_myfixed_map (GtkWidget *widget) | |
229 | { | |
230 | GtkMyFixed *myfixed; | |
231 | GtkMyFixedChild *child; | |
232 | GList *children; | |
233 | ||
234 | g_return_if_fail (widget != NULL); | |
235 | g_return_if_fail (GTK_IS_MYFIXED (widget)); | |
236 | ||
237 | GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED); | |
238 | myfixed = GTK_MYFIXED (widget); | |
239 | ||
240 | gdk_window_show (widget->window); | |
241 | ||
242 | children = myfixed->children; | |
243 | while (children) | |
244 | { | |
245 | child = children->data; | |
246 | children = children->next; | |
247 | ||
248 | if (GTK_WIDGET_VISIBLE (child->widget) && | |
249 | !GTK_WIDGET_MAPPED (child->widget)) | |
250 | gtk_widget_map (child->widget); | |
251 | } | |
252 | } | |
253 | ||
254 | #ifndef NEW_GTK_CONSTRUCT_CODE | |
255 | static void | |
256 | gtk_myfixed_unmap (GtkWidget *widget) | |
257 | { | |
258 | g_return_if_fail (widget != NULL); | |
259 | g_return_if_fail (GTK_IS_MYFIXED (widget)); | |
260 | ||
261 | GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED); | |
262 | } | |
263 | #endif | |
264 | ||
265 | static void | |
266 | gtk_myfixed_realize (GtkWidget *widget) | |
267 | { | |
268 | GtkMyFixed *myfixed; | |
269 | GdkWindowAttr attributes; | |
270 | gint attributes_mask; | |
271 | ||
272 | g_return_if_fail (widget != NULL); | |
273 | g_return_if_fail (GTK_IS_MYFIXED (widget)); | |
274 | ||
275 | myfixed = GTK_MYFIXED (widget); | |
276 | ||
277 | GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED); | |
278 | ||
279 | attributes.window_type = GDK_WINDOW_CHILD; | |
280 | attributes.x = widget->allocation.x; | |
281 | attributes.y = widget->allocation.y; | |
282 | attributes.width = 32000; | |
283 | attributes.height = 32000; | |
284 | attributes.wclass = GDK_INPUT_OUTPUT; | |
285 | attributes.visual = gtk_widget_get_visual (widget); | |
286 | attributes.colormap = gtk_widget_get_colormap (widget); | |
287 | attributes.event_mask = gtk_widget_get_events (widget); | |
288 | attributes.event_mask |= | |
289 | GDK_EXPOSURE_MASK | | |
290 | GDK_POINTER_MOTION_MASK | | |
291 | GDK_BUTTON_MOTION_MASK | | |
292 | GDK_BUTTON1_MOTION_MASK | | |
293 | GDK_BUTTON2_MOTION_MASK | | |
294 | GDK_BUTTON3_MOTION_MASK | | |
295 | GDK_BUTTON_PRESS_MASK | | |
296 | GDK_BUTTON_RELEASE_MASK | | |
297 | GDK_KEY_PRESS_MASK | | |
298 | GDK_KEY_RELEASE_MASK | | |
299 | GDK_ENTER_NOTIFY_MASK | | |
300 | GDK_LEAVE_NOTIFY_MASK | | |
301 | GDK_FOCUS_CHANGE_MASK; | |
302 | ||
303 | attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP; | |
304 | ||
305 | widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, | |
306 | attributes_mask); | |
307 | gdk_window_set_user_data (widget->window, widget); | |
308 | ||
309 | widget->style = gtk_style_attach (widget->style, widget->window); | |
310 | gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL); | |
311 | } | |
312 | ||
313 | static void | |
314 | gtk_myfixed_size_request (GtkWidget *widget, | |
315 | GtkRequisition *requisition) | |
316 | { | |
317 | GtkMyFixed *myfixed; | |
318 | GtkMyFixedChild *child; | |
319 | GList *children; | |
320 | ||
321 | g_return_if_fail (widget != NULL); | |
322 | g_return_if_fail (GTK_IS_MYFIXED (widget)); | |
323 | g_return_if_fail (requisition != NULL); | |
324 | ||
325 | myfixed = GTK_MYFIXED (widget); | |
326 | ||
327 | requisition->width = 0; | |
328 | requisition->height = 0; | |
329 | ||
330 | children = myfixed->children; | |
331 | while (children) | |
332 | { | |
333 | child = children->data; | |
334 | children = children->next; | |
335 | ||
336 | if (GTK_WIDGET_VISIBLE (child->widget)) | |
337 | { | |
338 | gtk_widget_size_request (child->widget, &child->widget->requisition); | |
339 | } | |
340 | } | |
341 | } | |
342 | ||
343 | static void | |
344 | gtk_myfixed_size_allocate (GtkWidget *widget, | |
345 | GtkAllocation *allocation) | |
346 | { | |
347 | GtkMyFixed *myfixed; | |
348 | GtkMyFixedChild *child; | |
349 | GtkAllocation child_allocation; | |
350 | GList *children; | |
351 | guint16 border_width; | |
352 | ||
353 | g_return_if_fail (widget != NULL); | |
354 | g_return_if_fail (GTK_IS_MYFIXED(widget)); | |
355 | g_return_if_fail (allocation != NULL); | |
356 | ||
357 | myfixed = GTK_MYFIXED (widget); | |
358 | ||
359 | widget->allocation = *allocation; | |
360 | if (GTK_WIDGET_REALIZED (widget)) | |
361 | gdk_window_move_resize (widget->window, allocation->x, allocation->y, 32000, 32000 ); | |
362 | ||
363 | border_width = GTK_CONTAINER (myfixed)->border_width; | |
364 | ||
365 | children = myfixed->children; | |
366 | while (children) | |
367 | { | |
368 | child = children->data; | |
369 | children = children->next; | |
370 | ||
371 | if (GTK_WIDGET_VISIBLE (child->widget)) | |
372 | { | |
373 | child_allocation.x = child->x + border_width; | |
374 | child_allocation.y = child->y + border_width; | |
375 | child_allocation.width = child->widget->requisition.width; | |
376 | child_allocation.height = child->widget->requisition.height; | |
377 | gtk_widget_size_allocate (child->widget, &child_allocation); | |
378 | } | |
379 | } | |
380 | } | |
381 | ||
382 | static void | |
383 | gtk_myfixed_paint (GtkWidget *widget, | |
384 | GdkRectangle *area) | |
385 | { | |
386 | g_return_if_fail (widget != NULL); | |
387 | g_return_if_fail (GTK_IS_MYFIXED (widget)); | |
388 | g_return_if_fail (area != NULL); | |
389 | ||
390 | if (GTK_WIDGET_DRAWABLE (widget)) | |
391 | gdk_window_clear_area (widget->window, | |
392 | area->x, area->y, | |
393 | area->width, area->height); | |
394 | } | |
395 | ||
396 | static void | |
397 | gtk_myfixed_draw (GtkWidget *widget, | |
398 | GdkRectangle *area) | |
399 | { | |
400 | GtkMyFixed *myfixed; | |
401 | GtkMyFixedChild *child; | |
402 | GdkRectangle child_area; | |
403 | GList *children; | |
404 | ||
405 | g_return_if_fail (widget != NULL); | |
406 | g_return_if_fail (GTK_IS_MYFIXED (widget)); | |
407 | ||
408 | if (GTK_WIDGET_DRAWABLE (widget)) | |
409 | { | |
410 | myfixed = GTK_MYFIXED (widget); | |
411 | gtk_myfixed_paint (widget, area); | |
412 | ||
413 | children = myfixed->children; | |
414 | while (children) | |
415 | { | |
416 | child = children->data; | |
417 | children = children->next; | |
418 | ||
419 | if (gtk_widget_intersect (child->widget, area, &child_area)) | |
420 | gtk_widget_draw (child->widget, &child_area); | |
421 | } | |
422 | } | |
423 | } | |
424 | ||
425 | static gint | |
426 | gtk_myfixed_expose (GtkWidget *widget, | |
427 | GdkEventExpose *event) | |
428 | { | |
429 | GtkMyFixed *myfixed; | |
430 | GtkMyFixedChild *child; | |
431 | GdkEventExpose child_event; | |
432 | GList *children; | |
433 | ||
434 | g_return_val_if_fail (widget != NULL, FALSE); | |
435 | g_return_val_if_fail (GTK_IS_MYFIXED (widget), FALSE); | |
436 | g_return_val_if_fail (event != NULL, FALSE); | |
437 | ||
438 | if (GTK_WIDGET_DRAWABLE (widget)) | |
439 | { | |
440 | myfixed = GTK_MYFIXED (widget); | |
441 | ||
442 | child_event = *event; | |
443 | ||
444 | children = myfixed->children; | |
445 | while (children) | |
446 | { | |
447 | child = children->data; | |
448 | children = children->next; | |
449 | ||
450 | if (GTK_WIDGET_NO_WINDOW (child->widget) && | |
451 | gtk_widget_intersect (child->widget, &event->area, | |
452 | &child_event.area)) | |
453 | gtk_widget_event (child->widget, (GdkEvent*) &child_event); | |
454 | } | |
455 | } | |
456 | ||
457 | return FALSE; | |
458 | } | |
459 | ||
460 | static void | |
461 | gtk_myfixed_add (GtkContainer *container, | |
462 | GtkWidget *widget) | |
463 | { | |
464 | g_return_if_fail (container != NULL); | |
465 | g_return_if_fail (GTK_IS_MYFIXED (container)); | |
466 | g_return_if_fail (widget != NULL); | |
467 | ||
468 | gtk_myfixed_put (GTK_MYFIXED (container), widget, 0, 0); | |
469 | } | |
470 | ||
471 | static void | |
472 | gtk_myfixed_remove (GtkContainer *container, | |
473 | GtkWidget *widget) | |
474 | { | |
475 | GtkMyFixed *myfixed; | |
476 | GtkMyFixedChild *child; | |
477 | GList *children; | |
478 | ||
479 | g_return_if_fail (container != NULL); | |
480 | g_return_if_fail (GTK_IS_MYFIXED (container)); | |
481 | g_return_if_fail (widget != NULL); | |
482 | ||
483 | myfixed = GTK_MYFIXED (container); | |
484 | ||
485 | children = myfixed->children; | |
486 | while (children) | |
487 | { | |
488 | child = children->data; | |
489 | ||
490 | if (child->widget == widget) | |
491 | { | |
492 | gtk_widget_unparent (widget); | |
493 | ||
494 | myfixed->children = g_list_remove_link (myfixed->children, children); | |
495 | g_list_free (children); | |
496 | g_free (child); | |
497 | ||
498 | if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container)) | |
499 | gtk_widget_queue_resize (GTK_WIDGET (container)); | |
500 | ||
501 | break; | |
502 | } | |
503 | ||
504 | children = children->next; | |
505 | } | |
506 | } | |
507 | ||
508 | static void | |
509 | gtk_myfixed_foreach (GtkContainer *container, | |
510 | #if (GTK_MINOR_VERSION == 1) | |
511 | gboolean include_internals, | |
512 | #endif | |
513 | GtkCallback callback, | |
514 | gpointer callback_data) | |
515 | { | |
516 | GtkMyFixed *myfixed; | |
517 | GtkMyFixedChild *child; | |
518 | GList *children; | |
519 | ||
520 | g_return_if_fail (container != NULL); | |
521 | g_return_if_fail (GTK_IS_MYFIXED (container)); | |
522 | g_return_if_fail (callback != NULL); | |
523 | ||
524 | myfixed = GTK_MYFIXED (container); | |
525 | ||
526 | children = myfixed->children; | |
527 | while (children) | |
528 | { | |
529 | child = children->data; | |
530 | children = children->next; | |
531 | ||
532 | (* callback) (child->widget, callback_data); | |
533 | } | |
534 | } | |
535 | ||
536 | ||
537 | #ifdef __cplusplus | |
538 | } | |
539 | #endif /* __cplusplus */ | |
540 |