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[lttv.git] / ltt / branches / poly / lttv / modules / gui / lttvwindow / lttvwindow / gtkmultivpaned.c
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e076699e 1/* This file is part of the Linux Trace Toolkit viewer
2 * Copyright (C) 2003-2004 XangXiu Yang
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License Version 2 as
6 * published by the Free Software Foundation;
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
16 * MA 02111-1307, USA.
17 */
18
daecc161 19#include <gtk/gtk.h>
20
13f86ce2 21#include <lttvwindow/gtkmultivpaned.h>
13f86ce2 22#include <lttvwindow/mainwindow.h>
2d262115 23#include <lttvwindow/mainwindow-private.h>
24//#include "gtkintl.h"
daecc161 25
26static void gtk_multi_vpaned_class_init (GtkMultiVPanedClass *klass);
27static void gtk_multi_vpaned_init (GtkMultiVPaned *multi_vpaned);
28
29
30static void gtk_multi_vpaned_size_request (GtkWidget *widget,
31 GtkRequisition *requisition);
32static void gtk_multi_vpaned_size_allocate (GtkWidget *widget,
33 GtkAllocation *allocation);
34
a43d67ba 35void gtk_multi_vpaned_scroll_value_changed (GtkAdjustment *adjust, gpointer multi_vpaned);
daecc161 36
0ed9daf7 37gboolean gtk_multi_vpaned_destroy(GtkObject *object,
38 gpointer user_data)
39{
40 GtkMultiVPaned * multi_vpaned = (GtkMultiVPaned * )object;
41 while(multi_vpaned->num_children){
42 gtk_multi_vpaned_widget_delete(multi_vpaned);
43 }
44 return FALSE;
45}
46
daecc161 47GType
48gtk_multi_vpaned_get_type (void)
49{
50 static GType multi_vpaned_type = 0;
51
52 if (!multi_vpaned_type)
53 {
54 static const GTypeInfo multi_vpaned_info =
55 {
56 sizeof (GtkMultiVPanedClass),
57 NULL, /* base_init */
58 NULL, /* base_finalize */
59 (GClassInitFunc) gtk_multi_vpaned_class_init,
60 NULL, /* class_finalize */
61 NULL, /* class_data */
62 sizeof (GtkMultiVPaned),
63 0, /* n_preallocs */
64 (GInstanceInitFunc) gtk_multi_vpaned_init,
65 NULL, /* value_table */
66 };
67
68 multi_vpaned_type = g_type_register_static (GTK_TYPE_PANED, "GtkMultiVPaned",
69 &multi_vpaned_info, 0);
70 }
71
72 return multi_vpaned_type;
73}
74
75static void
76gtk_multi_vpaned_class_init (GtkMultiVPanedClass *class)
77{
78 GtkWidgetClass *widget_class;
79
80 widget_class = (GtkWidgetClass *) class;
81
82 widget_class->size_request = gtk_multi_vpaned_size_request;
83 widget_class->size_allocate = gtk_multi_vpaned_size_allocate;
84}
85
86static void
87gtk_multi_vpaned_init (GtkMultiVPaned * multi_vpaned)
88{
89 GtkWidget * button;
90
91 GTK_WIDGET_SET_FLAGS (multi_vpaned, GTK_NO_WINDOW);
92 gtk_widget_set_redraw_on_allocate (GTK_WIDGET (multi_vpaned), FALSE);
93
94 multi_vpaned->first_pane = NULL;
95 multi_vpaned->last_pane = NULL;
96 multi_vpaned->focused_pane = NULL;
49bf71b5 97 multi_vpaned->iter = NULL;
daecc161 98 multi_vpaned->num_children = 0;
99
100 multi_vpaned->vbox = NULL;
101 // multi_vpaned->scrollWindow = NULL;
102 // multi_vpaned->viewport = NULL;
103 multi_vpaned->hscrollbar = NULL;
104}
105
106
107GtkWidget* gtk_multi_vpaned_new ()
108{
0ed9daf7 109 GtkWidget * widget = GTK_WIDGET (g_object_new (gtk_multi_vpaned_get_type (), NULL));
110 g_signal_connect(G_OBJECT(widget), "destroy",
111 G_CALLBACK(gtk_multi_vpaned_destroy),NULL);
112
113 return widget;
daecc161 114}
115
49bf71b5 116GtkWidget * gtk_multi_vpaned_get_widget(GtkMultiVPaned * multi_vpaned)
117{
118 if(multi_vpaned->focused_pane == NULL)return NULL;
119 return (GtkWidget*)multi_vpaned->focused_pane->child2;
120}
121
122GtkWidget * gtk_multi_vpaned_get_first_widget(GtkMultiVPaned * multi_vpaned)
123{
124 if(multi_vpaned->first_pane == NULL)return NULL;
125 multi_vpaned->iter = multi_vpaned->first_pane;
126 return multi_vpaned->first_pane->child2;
127}
128
129GtkWidget * gtk_multi_vpaned_get_next_widget(GtkMultiVPaned * multi_vpaned)
130{
131 if(multi_vpaned->iter != multi_vpaned->last_pane){
132 multi_vpaned->iter = (GtkPaned *)multi_vpaned->iter->child1;
133 return multi_vpaned->iter->child2;
134 }else {
135 return NULL;
136 }
137}
138
139void gtk_multi_vpaned_set_data(GtkMultiVPaned * multi_vpaned,char * key, gpointer value)
140{
141 g_object_set_data(G_OBJECT(multi_vpaned->focused_pane), key, value);
142}
143
144gpointer gtk_multi_vpaned_get_data(GtkMultiVPaned * multi_vpaned,char * key)
145{
146 if(multi_vpaned->focused_pane == NULL)return NULL;
147 return g_object_get_data(G_OBJECT(multi_vpaned->focused_pane), key);
148}
daecc161 149
5a5b35c5 150void gtk_multi_vpaned_set_focus (GtkWidget * widget, GtkPaned* paned)
daecc161 151{
5a5b35c5 152 GtkMultiVPaned * multi_vpaned = GTK_MULTI_VPANED(widget);
daecc161 153 GtkPaned * pane;
154 if(!multi_vpaned->first_pane) return;
155
156
157 pane = multi_vpaned->first_pane;
158 while(1){
7afc14aa 159 if((GtkWidget*)pane == GTK_WIDGET(paned)){
daecc161 160 multi_vpaned->focused_pane = pane;
161 break;
162 }
163 if(pane == multi_vpaned->last_pane){
164 multi_vpaned->focused_pane = NULL;
165 break;
166 }
167 pane = (GtkPaned*)pane->child1;
168 }
169}
170
a43d67ba 171void gtk_multi_vpaned_set_adjust(GtkMultiVPaned * multi_vpaned, const TimeWindow *time_window, gboolean first_time)
daecc161 172{
daecc161 173 TimeInterval *time_span;
a43d67ba 174 double len, start;
6ced96ef 175 Tab *tab = (Tab *)g_object_get_data(G_OBJECT(multi_vpaned), "Tab_Info");
501e4e70 176 LttvTracesetContext *tsc =
2d262115 177 LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context);
daecc161 178
297f7a48 179
daecc161 180 if(first_time){
501e4e70 181 time_span = &tsc->time_span ;
daecc161 182
7afc14aa 183 multi_vpaned->hadjust->lower = ltt_time_to_double(time_span->start_time) *
daecc161 184 NANOSECONDS_PER_SECOND;
185 multi_vpaned->hadjust->value = multi_vpaned->hadjust->lower;
7afc14aa 186 multi_vpaned->hadjust->upper = ltt_time_to_double(time_span->end_time) *
daecc161 187 NANOSECONDS_PER_SECOND;
188 }
189
190 /* Page increment of whole visible area */
191 if(multi_vpaned->hadjust == NULL){
192 g_warning("Insert a viewer first");
193 return;
194 }
195
a43d67ba 196 start = ltt_time_to_double(time_window->start_time) * NANOSECONDS_PER_SECOND;
197 len = multi_vpaned->hadjust->upper - multi_vpaned->hadjust->lower;
daecc161 198
199 multi_vpaned->hadjust->page_increment = ltt_time_to_double(
a43d67ba 200 time_window->time_width) * NANOSECONDS_PER_SECOND;
daecc161 201
a43d67ba 202 //if(multi_vpaned->hadjust->page_increment >= len )
203 // multi_vpaned->hadjust->value = multi_vpaned->hadjust->lower;
204 //if(start + multi_vpaned->hadjust->page_increment >= multi_vpaned->hadjust->upper )
205 // multi_vpaned->hadjust->value = start;
206 multi_vpaned->hadjust->value = start;
daecc161 207
208 /* page_size to the whole visible area will take care that the
209 * scroll value + the shown area will never be more than what is
210 * in the trace. */
211 multi_vpaned->hadjust->page_size = multi_vpaned->hadjust->page_increment;
212 multi_vpaned->hadjust->step_increment = multi_vpaned->hadjust->page_increment / 10;
213
214 gtk_adjustment_changed (multi_vpaned->hadjust);
a43d67ba 215
daecc161 216}
217
218void gtk_multi_vpaned_widget_add(GtkMultiVPaned * multi_vpaned, GtkWidget * widget1)
219{
220 GtkPaned * tmpPane;
221 GtkWidget * w;
6ced96ef 222 Tab *tab = (Tab *)g_object_get_data(G_OBJECT(multi_vpaned), "Tab_Info");
daecc161 223
224 g_return_if_fail(GTK_IS_MULTI_VPANED(multi_vpaned));
225 g_object_ref(G_OBJECT(widget1));
226
227
228 if(!multi_vpaned->first_pane){
229 multi_vpaned->first_pane = (GtkPaned *)gtk_vpaned_new();
230 multi_vpaned->last_pane = multi_vpaned->first_pane;
231
232 multi_vpaned->hscrollbar = gtk_hscrollbar_new (NULL);
233 gtk_widget_show(multi_vpaned->hscrollbar);
234
235 multi_vpaned->hadjust = gtk_range_get_adjustment(GTK_RANGE(multi_vpaned->hscrollbar));
2d262115 236 gtk_multi_vpaned_set_adjust(multi_vpaned, &tab->time_window, TRUE);
daecc161 237
238 gtk_range_set_update_policy (GTK_RANGE(multi_vpaned->hscrollbar),
4a93bd36 239 GTK_UPDATE_CONTINUOUS);
240 //changed by Mathieu Desnoyers, was :
241 // GTK_UPDATE_DISCONTINUOUS);
a43d67ba 242 g_signal_connect(G_OBJECT(multi_vpaned->hadjust), "value-changed",
daecc161 243 G_CALLBACK(gtk_multi_vpaned_scroll_value_changed), multi_vpaned);
a43d67ba 244 g_signal_connect(G_OBJECT(multi_vpaned->hadjust), "changed",
245 G_CALLBACK(gtk_multi_vpaned_scroll_value_changed), multi_vpaned);
246
daecc161 247
248 multi_vpaned->vbox = gtk_vbox_new(FALSE,0);
249 gtk_widget_show(multi_vpaned->vbox);
250
251 // multi_vpaned->viewport = gtk_viewport_new (NULL,NULL);
252 // gtk_widget_show(multi_vpaned->viewport);
253
254 // gtk_container_add(GTK_CONTAINER(multi_vpaned->viewport), (GtkWidget*)multi_vpaned->vbox);
255 gtk_box_pack_end(GTK_BOX(multi_vpaned->vbox),(GtkWidget*)multi_vpaned->hscrollbar,FALSE,FALSE,0);
256 gtk_box_pack_end(GTK_BOX(multi_vpaned->vbox),(GtkWidget*)multi_vpaned->first_pane,TRUE,TRUE,0);
257
258 // multi_vpaned->scrollWindow = gtk_scrolled_window_new (NULL, NULL);
259 // gtk_widget_show(multi_vpaned->scrollWindow);
260 // gtk_container_add (GTK_CONTAINER (multi_vpaned->scrollWindow), (GtkWidget*)multi_vpaned->viewport);
261 // gtk_paned_pack1(GTK_PANED(multi_vpaned), (GtkWidget*)multi_vpaned->scrollWindow,FALSE, TRUE);
262
263 gtk_paned_pack1(GTK_PANED(multi_vpaned), (GtkWidget*)multi_vpaned->vbox,FALSE, TRUE);
264 }else{
265 tmpPane = multi_vpaned->last_pane;
266 multi_vpaned->last_pane = (GtkPaned *)gtk_vpaned_new();
267 gtk_paned_pack1 (tmpPane,(GtkWidget*)multi_vpaned->last_pane, FALSE,TRUE);
268 }
269 gtk_widget_show((GtkWidget *)multi_vpaned->last_pane);
270
271 gtk_paned_pack2 (multi_vpaned->last_pane,widget1, TRUE, TRUE);
272 multi_vpaned->focused_pane = multi_vpaned->last_pane;
273 multi_vpaned->num_children++;
274
275}
276
277void gtk_multi_vpaned_widget_delete(GtkMultiVPaned * multi_vpaned)
278{
279 GtkPaned * tmp, *prev, *next;
6ea08962 280 GtkWidget *widget;
daecc161 281
282 if(!multi_vpaned->focused_pane) return;
283
6ea08962 284 widget = GTK_WIDGET(multi_vpaned->focused_pane->child2); //widget in vpaned
285 g_object_unref(G_OBJECT(widget));
daecc161 286
287 if(multi_vpaned->focused_pane == multi_vpaned->first_pane &&
288 multi_vpaned->focused_pane == multi_vpaned->last_pane){
289 // gtk_container_remove(GTK_CONTAINER(multi_vpaned),(GtkWidget*)multi_vpaned->scrollWindow);
290 gtk_container_remove(GTK_CONTAINER(multi_vpaned),(GtkWidget*)multi_vpaned->vbox);
291 multi_vpaned->first_pane = NULL;
292 multi_vpaned->last_pane = NULL;
293 multi_vpaned->focused_pane = NULL;
294 }else if(multi_vpaned->focused_pane == multi_vpaned->first_pane &&
295 multi_vpaned->focused_pane != multi_vpaned->last_pane){
296 next = (GtkPaned*)multi_vpaned->first_pane->child1;
297 g_object_ref(G_OBJECT(next));
298 gtk_container_remove(GTK_CONTAINER(multi_vpaned->first_pane),(GtkWidget*)next);
299 gtk_container_remove(GTK_CONTAINER(multi_vpaned->vbox),(GtkWidget*)multi_vpaned->first_pane);
300 multi_vpaned->first_pane = next;
301 gtk_box_pack_end(GTK_BOX(multi_vpaned->vbox),(GtkWidget*)multi_vpaned->first_pane,TRUE,TRUE,0);
302 multi_vpaned->focused_pane = multi_vpaned->first_pane;
303 g_object_unref(G_OBJECT(next));
304 }else if(multi_vpaned->focused_pane != multi_vpaned->first_pane &&
305 multi_vpaned->focused_pane == multi_vpaned->last_pane){
306 tmp = multi_vpaned->last_pane;
307 multi_vpaned->last_pane = (GtkPaned*)gtk_widget_get_parent((GtkWidget*)multi_vpaned->last_pane);
308 multi_vpaned->focused_pane = multi_vpaned->last_pane;
309 gtk_container_remove(GTK_CONTAINER(multi_vpaned->last_pane),(GtkWidget*)tmp);
310 }else{
311 tmp = multi_vpaned->focused_pane;
312 prev = (GtkPaned*)gtk_widget_get_parent((GtkWidget*)tmp);
313 next = (GtkPaned*)tmp->child1;
314 g_object_ref(G_OBJECT(next));
315 gtk_container_remove(GTK_CONTAINER(multi_vpaned->focused_pane),(GtkWidget*)next);
316 gtk_container_remove(GTK_CONTAINER(prev),(GtkWidget*)multi_vpaned->focused_pane);
317 gtk_paned_pack1(prev, (GtkWidget*)next, FALSE, TRUE);
318 multi_vpaned->focused_pane = next;
319 g_object_unref(G_OBJECT(next));
320 }
321
322 multi_vpaned->num_children--;
323}
324
325
326void gtk_multi_vpaned_widget_move_up(GtkMultiVPaned * multi_vpaned)
327{
328 GtkWidget* upWidget, *downWidget;
329 GtkPaned * prev,*next, *prevPrev;
330
331 if(multi_vpaned->last_pane == multi_vpaned->focused_pane) return;
332
333 // move VPane
334 prev = (GtkPaned*)multi_vpaned->focused_pane->child1;
335 g_object_ref(G_OBJECT(prev));
336 gtk_container_remove(GTK_CONTAINER(multi_vpaned->focused_pane),(GtkWidget*)prev);
337
338 if(prev == multi_vpaned->last_pane){
339 prevPrev = NULL;
340 multi_vpaned->last_pane = multi_vpaned->focused_pane;
341 }else{
342 prevPrev = (GtkPaned*)prev->child1;
343 g_object_ref(G_OBJECT(prevPrev));
344 gtk_container_remove(GTK_CONTAINER(prev),(GtkWidget*)prevPrev);
345 }
346
347 g_object_ref(G_OBJECT(multi_vpaned->focused_pane));
348 if(multi_vpaned->first_pane == multi_vpaned->focused_pane){
349 gtk_container_remove(GTK_CONTAINER(multi_vpaned->vbox),(GtkWidget*)multi_vpaned->focused_pane);
350 gtk_box_pack_end(GTK_BOX(multi_vpaned->vbox),(GtkWidget*)prev,TRUE,TRUE,0);
351 multi_vpaned->first_pane = prev;
352 }else{
353 next = (GtkPaned*)gtk_widget_get_parent((GtkWidget*)multi_vpaned->focused_pane);
354 gtk_container_remove(GTK_CONTAINER(next),(GtkWidget*)multi_vpaned->focused_pane);
355 gtk_paned_pack1(GTK_PANED(next), (GtkWidget*)prev, FALSE,TRUE);
356 }
357 gtk_paned_pack1(GTK_PANED(prev),(GtkWidget*)multi_vpaned->focused_pane, FALSE,TRUE);
358 if(prevPrev)
359 gtk_paned_pack1(GTK_PANED(multi_vpaned->focused_pane),(GtkWidget*)prevPrev, FALSE,TRUE);
360
361 g_object_unref(G_OBJECT(prev));
362 if(prevPrev) g_object_unref(G_OBJECT(prevPrev));
363 g_object_unref(G_OBJECT(multi_vpaned->focused_pane));
364}
365
366
367void gtk_multi_vpaned_widget_move_down(GtkMultiVPaned * multi_vpaned)
368{
369 GtkWidget* upWidget, *downWidget;
370 GtkPaned * prev,*next, *nextNext;
371
372 if(multi_vpaned->first_pane == multi_vpaned->focused_pane) return;
373
374 //move VPane
375 next = (GtkPaned*)gtk_widget_get_parent((GtkWidget*)multi_vpaned->focused_pane);
376 g_object_ref(G_OBJECT(next));
377
378 if(multi_vpaned->last_pane == multi_vpaned->focused_pane){
379 prev = NULL;
380 multi_vpaned->last_pane = next;
381 }else{
382 prev = (GtkPaned*)multi_vpaned->focused_pane->child1;
383 g_object_ref(G_OBJECT(prev));
384 gtk_container_remove(GTK_CONTAINER(multi_vpaned->focused_pane),(GtkWidget*)prev);
385 }
386
387 g_object_ref(G_OBJECT(multi_vpaned->focused_pane));
388 gtk_container_remove(GTK_CONTAINER(next),(GtkWidget*)multi_vpaned->focused_pane);
389
390 if(next == multi_vpaned->first_pane){
391 multi_vpaned->first_pane = multi_vpaned->focused_pane;
392 gtk_container_remove(GTK_CONTAINER(multi_vpaned->vbox),(GtkWidget*)next);
393 gtk_box_pack_end(GTK_BOX(multi_vpaned->vbox),(GtkWidget*)multi_vpaned->focused_pane,TRUE,TRUE,0);
394 }else{
395 nextNext = (GtkPaned*)gtk_widget_get_parent((GtkWidget*)next);
396 gtk_container_remove(GTK_CONTAINER(nextNext),(GtkWidget*)next);
397 gtk_paned_pack1(nextNext, (GtkWidget*)multi_vpaned->focused_pane, FALSE, TRUE);
398 }
399 gtk_paned_pack1(multi_vpaned->focused_pane,(GtkWidget*)next, FALSE,TRUE);
400 if(prev)
401 gtk_paned_pack1(next,(GtkWidget*)prev, FALSE,TRUE);
402
403 if(prev)g_object_unref(G_OBJECT(prev));
404 g_object_unref(G_OBJECT(next));
405 g_object_unref(G_OBJECT(multi_vpaned->focused_pane));
406}
407
bca085a1 408void gtk_multi_vpaned_set_scroll_value(GtkMultiVPaned * multi_vpaned, double value)
409{
410 gtk_adjustment_set_value(multi_vpaned->hadjust, value);
a43d67ba 411 //g_signal_stop_emission_by_name(G_OBJECT(multi_vpaned->hscrollbar), "value-changed");
bca085a1 412}
413
a43d67ba 414void gtk_multi_vpaned_scroll_value_changed(GtkAdjustment *adjust, gpointer multi_vpaned_arg)
daecc161 415{
58eecf4a 416 TimeWindow time_window;
417 TimeInterval *time_span;
daecc161 418 LttTime time;
419 GtkMultiVPaned * multi_vpaned = (GtkMultiVPaned*)multi_vpaned_arg;
a43d67ba 420 gdouble value = gtk_adjustment_get_value(adjust);
58eecf4a 421 gdouble upper, lower, ratio;
6ced96ef 422 Tab *tab = (Tab *)g_object_get_data(G_OBJECT(multi_vpaned), "Tab_Info");
501e4e70 423 LttvTracesetContext * tsc =
2d262115 424 LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context);
58eecf4a 425
2d262115 426 time_window = tab->time_window;
58eecf4a 427
501e4e70 428 time_span = &tsc->time_span ;
58eecf4a 429 lower = multi_vpaned->hadjust->lower;
430 upper = multi_vpaned->hadjust->upper;
431 ratio = (value - lower) / (upper - lower);
432
7afc14aa 433 time = ltt_time_sub(time_span->end_time, time_span->start_time);
58eecf4a 434 time = ltt_time_mul(time, (float)ratio);
7afc14aa 435 time = ltt_time_add(time_span->start_time, time);
58eecf4a 436
437 time_window.start_time = time;
438
7afc14aa 439 time = ltt_time_sub(time_span->end_time, time);
58eecf4a 440 if(ltt_time_compare(time,time_window.time_width) < 0){
441 time_window.time_width = time;
442 }
2d262115 443 set_time_window(tab, &time_window);
daecc161 444}
445
446
447static void
448gtk_multi_vpaned_size_request (GtkWidget *widget,
449 GtkRequisition *requisition)
450{
451 GtkPaned *paned = GTK_PANED (widget);
452 GtkRequisition child_requisition;
453
454 requisition->width = 0;
455 requisition->height = 0;
456
457 if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1))
458 {
459 gtk_widget_size_request (paned->child1, &child_requisition);
460
461 requisition->height = child_requisition.height;
462 requisition->width = child_requisition.width;
463 }
464
465 if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
466 {
467 gtk_widget_size_request (paned->child2, &child_requisition);
468
469 requisition->width = MAX (requisition->width, child_requisition.width);
470 requisition->height += child_requisition.height;
471 }
472
473 requisition->height += GTK_CONTAINER (paned)->border_width * 2;
474 requisition->width += GTK_CONTAINER (paned)->border_width * 2;
475
476 if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1) &&
477 paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
478 {
479 gint handle_size;
480
481 gtk_widget_style_get (widget, "handle_size", &handle_size, NULL);
482 requisition->height += handle_size;
483 }
484
485}
486
487static void
488gtk_multi_vpaned_size_allocate (GtkWidget *widget,
489 GtkAllocation *allocation)
490{
491 GtkPaned *paned = GTK_PANED (widget);
492 gint border_width = GTK_CONTAINER (paned)->border_width;
493
494 widget->allocation = *allocation;
495
496 if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1) &&
497 paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
498 {
499 GtkRequisition child1_requisition;
500 GtkRequisition child2_requisition;
501 GtkAllocation child1_allocation;
502 GtkAllocation child2_allocation;
503 gint handle_size;
504
505 gtk_widget_style_get (widget, "handle_size", &handle_size, NULL);
506
507 gtk_widget_get_child_requisition (paned->child1, &child1_requisition);
508 gtk_widget_get_child_requisition (paned->child2, &child2_requisition);
509
510 gtk_paned_compute_position (paned,
511 MAX (1, widget->allocation.height
512 - handle_size
513 - 2 * border_width),
514 child1_requisition.height,
515 child2_requisition.height);
516
517 paned->handle_pos.x = widget->allocation.x + border_width;
518 paned->handle_pos.y = widget->allocation.y + paned->child1_size + border_width;
519 paned->handle_pos.width = MAX (1, (gint) widget->allocation.width - 2 * border_width);
520 paned->handle_pos.height = handle_size;
521
522 if (GTK_WIDGET_REALIZED (widget))
523 {
524 if (GTK_WIDGET_MAPPED (widget))
525 gdk_window_show (paned->handle);
526 gdk_window_move_resize (paned->handle,
527 paned->handle_pos.x,
528 paned->handle_pos.y,
529 paned->handle_pos.width,
530 handle_size);
531 }
532
533 child1_allocation.width = child2_allocation.width = MAX (1, (gint) allocation->width - border_width * 2);
534 child1_allocation.height = MAX (1, paned->child1_size);
535 child1_allocation.x = child2_allocation.x = widget->allocation.x + border_width;
536 child1_allocation.y = widget->allocation.y + border_width;
537
538 child2_allocation.y = child1_allocation.y + paned->child1_size + paned->handle_pos.height;
539 child2_allocation.height = MAX (1, widget->allocation.y + widget->allocation.height - child2_allocation.y - border_width);
540
541 if (GTK_WIDGET_MAPPED (widget) &&
542 paned->child1->allocation.height < child1_allocation.height)
543 {
544 gtk_widget_size_allocate (paned->child2, &child2_allocation);
545 gtk_widget_size_allocate (paned->child1, &child1_allocation);
546 }
547 else
548 {
549 gtk_widget_size_allocate (paned->child1, &child1_allocation);
550 gtk_widget_size_allocate (paned->child2, &child2_allocation);
551 }
552 }
553 else
554 {
555 GtkAllocation child_allocation;
556
557 if (GTK_WIDGET_REALIZED (widget))
558 gdk_window_hide (paned->handle);
559
560 if (paned->child1)
561 gtk_widget_set_child_visible (paned->child1, TRUE);
562 if (paned->child2)
563 gtk_widget_set_child_visible (paned->child2, TRUE);
564
565 child_allocation.x = widget->allocation.x + border_width;
566 child_allocation.y = widget->allocation.y + border_width;
567 child_allocation.width = MAX (1, allocation->width - 2 * border_width);
568 child_allocation.height = MAX (1, allocation->height - 2 * border_width);
569
570 if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1))
571 gtk_widget_size_allocate (paned->child1, &child_allocation);
572 else if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
573 gtk_widget_size_allocate (paned->child2, &child_allocation);
574 }
575}
576
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