1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
18 */
19
20 /*
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
25 */
26
27 #include "config.h"
28 #include <string.h>
29 #include "gtkframe.h"
30 #include "gtklabel.h"
31 #include "gtkprivate.h"
32 #include "gtkintl.h"
33 #include "gtkbuildable.h"
34 #include "gtkalias.h"
35
36 #define LABEL_PAD 1
37 #define LABEL_SIDE_PAD 2
38
39 enum {
40 PROP_0,
41 PROP_LABEL,
42 PROP_LABEL_XALIGN,
43 PROP_LABEL_YALIGN,
44 PROP_SHADOW,
45 PROP_SHADOW_TYPE,
46 PROP_LABEL_WIDGET
47 };
48
49 static void gtk_frame_set_property (GObject *object,
50 guint param_id,
51 const GValue *value,
52 GParamSpec *pspec);
53 static void gtk_frame_get_property (GObject *object,
54 guint param_id,
55 GValue *value,
56 GParamSpec *pspec);
57 static void gtk_frame_paint (GtkWidget *widget,
58 GdkRectangle *area);
59 static gint gtk_frame_expose (GtkWidget *widget,
60 GdkEventExpose *event);
61 static void gtk_frame_size_request (GtkWidget *widget,
62 GtkRequisition *requisition);
63 static void gtk_frame_size_allocate (GtkWidget *widget,
64 GtkAllocation *allocation);
65 static void gtk_frame_remove (GtkContainer *container,
66 GtkWidget *child);
67 static void gtk_frame_forall (GtkContainer *container,
68 gboolean include_internals,
69 GtkCallback callback,
70 gpointer callback_data);
71
72 static void gtk_frame_compute_child_allocation (GtkFrame *frame,
73 GtkAllocation *child_allocation);
74 static void gtk_frame_real_compute_child_allocation (GtkFrame *frame,
75 GtkAllocation *child_allocation);
76
77 /* GtkBuildable */
78 static void gtk_frame_buildable_init (GtkBuildableIface *iface);
79 static void gtk_frame_buildable_add_child (GtkBuildable *buildable,
80 GtkBuilder *builder,
81 GObject *child,
82 const gchar *type);
83
G_DEFINE_TYPE_WITH_CODE(GtkFrame,gtk_frame,GTK_TYPE_BIN,G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,gtk_frame_buildable_init))84 G_DEFINE_TYPE_WITH_CODE (GtkFrame, gtk_frame, GTK_TYPE_BIN,
85 G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
86 gtk_frame_buildable_init))
87
88 static void
89 gtk_frame_class_init (GtkFrameClass *class)
90 {
91 GObjectClass *gobject_class;
92 GtkWidgetClass *widget_class;
93 GtkContainerClass *container_class;
94
95 gobject_class = (GObjectClass*) class;
96 widget_class = GTK_WIDGET_CLASS (class);
97 container_class = GTK_CONTAINER_CLASS (class);
98
99 gobject_class->set_property = gtk_frame_set_property;
100 gobject_class->get_property = gtk_frame_get_property;
101
102 g_object_class_install_property (gobject_class,
103 PROP_LABEL,
104 g_param_spec_string ("label",
105 P_("Label"),
106 P_("Text of the frame's label"),
107 NULL,
108 GTK_PARAM_READABLE |
109 GTK_PARAM_WRITABLE));
110 g_object_class_install_property (gobject_class,
111 PROP_LABEL_XALIGN,
112 g_param_spec_float ("label-xalign",
113 P_("Label xalign"),
114 P_("The horizontal alignment of the label"),
115 0.0,
116 1.0,
117 0.0,
118 GTK_PARAM_READWRITE));
119 g_object_class_install_property (gobject_class,
120 PROP_LABEL_YALIGN,
121 g_param_spec_float ("label-yalign",
122 P_("Label yalign"),
123 P_("The vertical alignment of the label"),
124 0.0,
125 1.0,
126 0.5,
127 GTK_PARAM_READWRITE));
128 g_object_class_install_property (gobject_class,
129 PROP_SHADOW,
130 g_param_spec_enum ("shadow", NULL,
131 P_("Deprecated property, use shadow_type instead"),
132 GTK_TYPE_SHADOW_TYPE,
133 GTK_SHADOW_ETCHED_IN,
134 GTK_PARAM_READWRITE | G_PARAM_DEPRECATED));
135 g_object_class_install_property (gobject_class,
136 PROP_SHADOW_TYPE,
137 g_param_spec_enum ("shadow-type",
138 P_("Frame shadow"),
139 P_("Appearance of the frame border"),
140 GTK_TYPE_SHADOW_TYPE,
141 GTK_SHADOW_ETCHED_IN,
142 GTK_PARAM_READWRITE));
143
144 g_object_class_install_property (gobject_class,
145 PROP_LABEL_WIDGET,
146 g_param_spec_object ("label-widget",
147 P_("Label widget"),
148 P_("A widget to display in place of the usual frame label"),
149 GTK_TYPE_WIDGET,
150 GTK_PARAM_READWRITE));
151
152 widget_class->expose_event = gtk_frame_expose;
153 widget_class->size_request = gtk_frame_size_request;
154 widget_class->size_allocate = gtk_frame_size_allocate;
155
156 container_class->remove = gtk_frame_remove;
157 container_class->forall = gtk_frame_forall;
158
159 class->compute_child_allocation = gtk_frame_real_compute_child_allocation;
160 }
161
162 static void
gtk_frame_buildable_init(GtkBuildableIface * iface)163 gtk_frame_buildable_init (GtkBuildableIface *iface)
164 {
165 iface->add_child = gtk_frame_buildable_add_child;
166 }
167
168 static void
gtk_frame_buildable_add_child(GtkBuildable * buildable,GtkBuilder * builder,GObject * child,const gchar * type)169 gtk_frame_buildable_add_child (GtkBuildable *buildable,
170 GtkBuilder *builder,
171 GObject *child,
172 const gchar *type)
173 {
174 if (type && strcmp (type, "label") == 0)
175 gtk_frame_set_label_widget (GTK_FRAME (buildable), GTK_WIDGET (child));
176 else if (!type)
177 gtk_container_add (GTK_CONTAINER (buildable), GTK_WIDGET (child));
178 else
179 GTK_BUILDER_WARN_INVALID_CHILD_TYPE (GTK_FRAME (buildable), type);
180 }
181
182 static void
gtk_frame_init(GtkFrame * frame)183 gtk_frame_init (GtkFrame *frame)
184 {
185 frame->label_widget = NULL;
186 frame->shadow_type = GTK_SHADOW_ETCHED_IN;
187 frame->label_xalign = 0.0;
188 frame->label_yalign = 0.5;
189 }
190
191 static void
gtk_frame_set_property(GObject * object,guint prop_id,const GValue * value,GParamSpec * pspec)192 gtk_frame_set_property (GObject *object,
193 guint prop_id,
194 const GValue *value,
195 GParamSpec *pspec)
196 {
197 GtkFrame *frame;
198
199 frame = GTK_FRAME (object);
200
201 switch (prop_id)
202 {
203 case PROP_LABEL:
204 gtk_frame_set_label (frame, g_value_get_string (value));
205 break;
206 case PROP_LABEL_XALIGN:
207 gtk_frame_set_label_align (frame, g_value_get_float (value),
208 frame->label_yalign);
209 break;
210 case PROP_LABEL_YALIGN:
211 gtk_frame_set_label_align (frame, frame->label_xalign,
212 g_value_get_float (value));
213 break;
214 case PROP_SHADOW:
215 case PROP_SHADOW_TYPE:
216 gtk_frame_set_shadow_type (frame, g_value_get_enum (value));
217 break;
218 case PROP_LABEL_WIDGET:
219 gtk_frame_set_label_widget (frame, g_value_get_object (value));
220 break;
221 default:
222 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
223 break;
224 }
225 }
226
227 static void
gtk_frame_get_property(GObject * object,guint prop_id,GValue * value,GParamSpec * pspec)228 gtk_frame_get_property (GObject *object,
229 guint prop_id,
230 GValue *value,
231 GParamSpec *pspec)
232 {
233 GtkFrame *frame;
234
235 frame = GTK_FRAME (object);
236
237 switch (prop_id)
238 {
239 case PROP_LABEL:
240 g_value_set_string (value, gtk_frame_get_label (frame));
241 break;
242 case PROP_LABEL_XALIGN:
243 g_value_set_float (value, frame->label_xalign);
244 break;
245 case PROP_LABEL_YALIGN:
246 g_value_set_float (value, frame->label_yalign);
247 break;
248 case PROP_SHADOW:
249 case PROP_SHADOW_TYPE:
250 g_value_set_enum (value, frame->shadow_type);
251 break;
252 case PROP_LABEL_WIDGET:
253 g_value_set_object (value,
254 frame->label_widget ?
255 G_OBJECT (frame->label_widget) : NULL);
256 break;
257 default:
258 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
259 break;
260 }
261 }
262
263 /**
264 * gtk_frame_new:
265 * @label: the text to use as the label of the frame
266 *
267 * Creates a new #GtkFrame, with optional label @label.
268 * If @label is %NULL, the label is omitted.
269 *
270 * Return value: a new #GtkFrame widget
271 **/
272 GtkWidget*
gtk_frame_new(const gchar * label)273 gtk_frame_new (const gchar *label)
274 {
275 return g_object_new (GTK_TYPE_FRAME, "label", label, NULL);
276 }
277
278 static void
gtk_frame_remove(GtkContainer * container,GtkWidget * child)279 gtk_frame_remove (GtkContainer *container,
280 GtkWidget *child)
281 {
282 GtkFrame *frame = GTK_FRAME (container);
283
284 if (frame->label_widget == child)
285 gtk_frame_set_label_widget (frame, NULL);
286 else
287 GTK_CONTAINER_CLASS (gtk_frame_parent_class)->remove (container, child);
288 }
289
290 static void
gtk_frame_forall(GtkContainer * container,gboolean include_internals,GtkCallback callback,gpointer callback_data)291 gtk_frame_forall (GtkContainer *container,
292 gboolean include_internals,
293 GtkCallback callback,
294 gpointer callback_data)
295 {
296 GtkBin *bin = GTK_BIN (container);
297 GtkFrame *frame = GTK_FRAME (container);
298
299 if (bin->child)
300 (* callback) (bin->child, callback_data);
301
302 if (frame->label_widget)
303 (* callback) (frame->label_widget, callback_data);
304 }
305
306 /**
307 * gtk_frame_set_label:
308 * @frame: a #GtkFrame
309 * @label: (allow-none): the text to use as the label of the frame
310 *
311 * Sets the text of the label. If @label is %NULL,
312 * the current label is removed.
313 **/
314 void
gtk_frame_set_label(GtkFrame * frame,const gchar * label)315 gtk_frame_set_label (GtkFrame *frame,
316 const gchar *label)
317 {
318 g_return_if_fail (GTK_IS_FRAME (frame));
319
320 if (!label)
321 {
322 gtk_frame_set_label_widget (frame, NULL);
323 }
324 else
325 {
326 GtkWidget *child = gtk_label_new (label);
327 gtk_widget_show (child);
328
329 gtk_frame_set_label_widget (frame, child);
330 }
331 }
332
333 /**
334 * gtk_frame_get_label:
335 * @frame: a #GtkFrame
336 *
337 * If the frame's label widget is a #GtkLabel, returns the
338 * text in the label widget. (The frame will have a #GtkLabel
339 * for the label widget if a non-%NULL argument was passed
340 * to gtk_frame_new().)
341 *
342 * Return value: the text in the label, or %NULL if there
343 * was no label widget or the lable widget was not
344 * a #GtkLabel. This string is owned by GTK+ and
345 * must not be modified or freed.
346 **/
347 const gchar *
gtk_frame_get_label(GtkFrame * frame)348 gtk_frame_get_label (GtkFrame *frame)
349 {
350 g_return_val_if_fail (GTK_IS_FRAME (frame), NULL);
351
352 if (GTK_IS_LABEL (frame->label_widget))
353 return gtk_label_get_text (GTK_LABEL (frame->label_widget));
354 else
355 return NULL;
356 }
357
358 /**
359 * gtk_frame_set_label_widget:
360 * @frame: a #GtkFrame
361 * @label_widget: the new label widget
362 *
363 * Sets the label widget for the frame. This is the widget that
364 * will appear embedded in the top edge of the frame as a
365 * title.
366 **/
367 void
gtk_frame_set_label_widget(GtkFrame * frame,GtkWidget * label_widget)368 gtk_frame_set_label_widget (GtkFrame *frame,
369 GtkWidget *label_widget)
370 {
371 gboolean need_resize = FALSE;
372
373 g_return_if_fail (GTK_IS_FRAME (frame));
374 g_return_if_fail (label_widget == NULL || GTK_IS_WIDGET (label_widget));
375 g_return_if_fail (label_widget == NULL || label_widget->parent == NULL);
376
377 if (frame->label_widget == label_widget)
378 return;
379
380 if (frame->label_widget)
381 {
382 need_resize = gtk_widget_get_visible (frame->label_widget);
383 gtk_widget_unparent (frame->label_widget);
384 }
385
386 frame->label_widget = label_widget;
387
388 if (label_widget)
389 {
390 frame->label_widget = label_widget;
391 gtk_widget_set_parent (label_widget, GTK_WIDGET (frame));
392 need_resize |= gtk_widget_get_visible (label_widget);
393 }
394
395 if (gtk_widget_get_visible (GTK_WIDGET (frame)) && need_resize)
396 gtk_widget_queue_resize (GTK_WIDGET (frame));
397
398 g_object_freeze_notify (G_OBJECT (frame));
399 g_object_notify (G_OBJECT (frame), "label-widget");
400 g_object_notify (G_OBJECT (frame), "label");
401 g_object_thaw_notify (G_OBJECT (frame));
402 }
403
404 /**
405 * gtk_frame_get_label_widget:
406 * @frame: a #GtkFrame
407 *
408 * Retrieves the label widget for the frame. See
409 * gtk_frame_set_label_widget().
410 *
411 * Return value: (transfer none): the label widget, or %NULL if there is none.
412 **/
413 GtkWidget *
gtk_frame_get_label_widget(GtkFrame * frame)414 gtk_frame_get_label_widget (GtkFrame *frame)
415 {
416 g_return_val_if_fail (GTK_IS_FRAME (frame), NULL);
417
418 return frame->label_widget;
419 }
420
421 /**
422 * gtk_frame_set_label_align:
423 * @frame: a #GtkFrame
424 * @xalign: The position of the label along the top edge
425 * of the widget. A value of 0.0 represents left alignment;
426 * 1.0 represents right alignment.
427 * @yalign: The y alignment of the label. A value of 0.0 aligns under
428 * the frame; 1.0 aligns above the frame. If the values are exactly
429 * 0.0 or 1.0 the gap in the frame won't be painted because the label
430 * will be completely above or below the frame.
431 *
432 * Sets the alignment of the frame widget's label. The
433 * default values for a newly created frame are 0.0 and 0.5.
434 **/
435 void
gtk_frame_set_label_align(GtkFrame * frame,gfloat xalign,gfloat yalign)436 gtk_frame_set_label_align (GtkFrame *frame,
437 gfloat xalign,
438 gfloat yalign)
439 {
440 g_return_if_fail (GTK_IS_FRAME (frame));
441
442 xalign = CLAMP (xalign, 0.0, 1.0);
443 yalign = CLAMP (yalign, 0.0, 1.0);
444
445 g_object_freeze_notify (G_OBJECT (frame));
446 if (xalign != frame->label_xalign)
447 {
448 frame->label_xalign = xalign;
449 g_object_notify (G_OBJECT (frame), "label-xalign");
450 }
451
452 if (yalign != frame->label_yalign)
453 {
454 frame->label_yalign = yalign;
455 g_object_notify (G_OBJECT (frame), "label-yalign");
456 }
457
458 g_object_thaw_notify (G_OBJECT (frame));
459 gtk_widget_queue_resize (GTK_WIDGET (frame));
460 }
461
462 /**
463 * gtk_frame_get_label_align:
464 * @frame: a #GtkFrame
465 * @xalign: (out) (allow-none): location to store X alignment of
466 * frame's label, or %NULL
467 * @yalign: (out) (allow-none): location to store X alignment of
468 * frame's label, or %NULL
469 *
470 * Retrieves the X and Y alignment of the frame's label. See
471 * gtk_frame_set_label_align().
472 **/
473 void
gtk_frame_get_label_align(GtkFrame * frame,gfloat * xalign,gfloat * yalign)474 gtk_frame_get_label_align (GtkFrame *frame,
475 gfloat *xalign,
476 gfloat *yalign)
477 {
478 g_return_if_fail (GTK_IS_FRAME (frame));
479
480 if (xalign)
481 *xalign = frame->label_xalign;
482 if (yalign)
483 *yalign = frame->label_yalign;
484 }
485
486 /**
487 * gtk_frame_set_shadow_type:
488 * @frame: a #GtkFrame
489 * @type: the new #GtkShadowType
490 *
491 * Sets the shadow type for @frame.
492 **/
493 void
gtk_frame_set_shadow_type(GtkFrame * frame,GtkShadowType type)494 gtk_frame_set_shadow_type (GtkFrame *frame,
495 GtkShadowType type)
496 {
497 GtkWidget *widget;
498
499 g_return_if_fail (GTK_IS_FRAME (frame));
500
501 if ((GtkShadowType) frame->shadow_type != type)
502 {
503 widget = GTK_WIDGET (frame);
504 frame->shadow_type = type;
505 g_object_notify (G_OBJECT (frame), "shadow-type");
506
507 if (gtk_widget_is_drawable (widget))
508 {
509 gtk_widget_queue_draw (widget);
510 }
511
512 gtk_widget_queue_resize (widget);
513 }
514 }
515
516 /**
517 * gtk_frame_get_shadow_type:
518 * @frame: a #GtkFrame
519 *
520 * Retrieves the shadow type of the frame. See
521 * gtk_frame_set_shadow_type().
522 *
523 * Return value: the current shadow type of the frame.
524 **/
525 GtkShadowType
gtk_frame_get_shadow_type(GtkFrame * frame)526 gtk_frame_get_shadow_type (GtkFrame *frame)
527 {
528 g_return_val_if_fail (GTK_IS_FRAME (frame), GTK_SHADOW_ETCHED_IN);
529
530 return frame->shadow_type;
531 }
532
533 static void
gtk_frame_paint(GtkWidget * widget,GdkRectangle * area)534 gtk_frame_paint (GtkWidget *widget,
535 GdkRectangle *area)
536 {
537 GtkFrame *frame;
538 gint x, y, width, height;
539
540 if (gtk_widget_is_drawable (widget))
541 {
542 frame = GTK_FRAME (widget);
543
544 x = frame->child_allocation.x - widget->style->xthickness;
545 y = frame->child_allocation.y - widget->style->ythickness;
546 width = frame->child_allocation.width + 2 * widget->style->xthickness;
547 height = frame->child_allocation.height + 2 * widget->style->ythickness;
548
549 if (frame->label_widget)
550 {
551 GtkRequisition child_requisition;
552 gfloat xalign;
553 gint height_extra;
554 gint x2;
555
556 gtk_widget_get_child_requisition (frame->label_widget, &child_requisition);
557
558 if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
559 xalign = frame->label_xalign;
560 else
561 xalign = 1 - frame->label_xalign;
562
563 height_extra = MAX (0, child_requisition.height - widget->style->ythickness)
564 - frame->label_yalign * child_requisition.height;
565 y -= height_extra;
566 height += height_extra;
567
568 x2 = widget->style->xthickness + (frame->child_allocation.width - child_requisition.width - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD) * xalign + LABEL_SIDE_PAD;
569
570 /* If the label is completely over or under the frame we can omit the gap */
571 if (frame->label_yalign == 0.0 || frame->label_yalign == 1.0)
572 gtk_paint_shadow (widget->style, widget->window,
573 widget->state, frame->shadow_type,
574 area, widget, "frame",
575 x, y, width, height);
576 else
577 gtk_paint_shadow_gap (widget->style, widget->window,
578 widget->state, frame->shadow_type,
579 area, widget, "frame",
580 x, y, width, height,
581 GTK_POS_TOP,
582 x2, child_requisition.width + 2 * LABEL_PAD);
583 }
584 else
585 gtk_paint_shadow (widget->style, widget->window,
586 widget->state, frame->shadow_type,
587 area, widget, "frame",
588 x, y, width, height);
589 }
590 }
591
592 static gboolean
gtk_frame_expose(GtkWidget * widget,GdkEventExpose * event)593 gtk_frame_expose (GtkWidget *widget,
594 GdkEventExpose *event)
595 {
596 if (gtk_widget_is_drawable (widget))
597 {
598 gtk_frame_paint (widget, &event->area);
599
600 GTK_WIDGET_CLASS (gtk_frame_parent_class)->expose_event (widget, event);
601 }
602
603 return FALSE;
604 }
605
606 static void
gtk_frame_size_request(GtkWidget * widget,GtkRequisition * requisition)607 gtk_frame_size_request (GtkWidget *widget,
608 GtkRequisition *requisition)
609 {
610 GtkFrame *frame = GTK_FRAME (widget);
611 GtkBin *bin = GTK_BIN (widget);
612 GtkRequisition child_requisition;
613
614 if (frame->label_widget && gtk_widget_get_visible (frame->label_widget))
615 {
616 gtk_widget_size_request (frame->label_widget, &child_requisition);
617
618 requisition->width = child_requisition.width + 2 * LABEL_PAD + 2 * LABEL_SIDE_PAD;
619 requisition->height =
620 MAX (0, child_requisition.height - widget->style->ythickness);
621 }
622 else
623 {
624 requisition->width = 0;
625 requisition->height = 0;
626 }
627
628 if (bin->child && gtk_widget_get_visible (bin->child))
629 {
630 gtk_widget_size_request (bin->child, &child_requisition);
631
632 requisition->width = MAX (requisition->width, child_requisition.width);
633 requisition->height += child_requisition.height;
634 }
635
636 requisition->width += (GTK_CONTAINER (widget)->border_width +
637 GTK_WIDGET (widget)->style->xthickness) * 2;
638 requisition->height += (GTK_CONTAINER (widget)->border_width +
639 GTK_WIDGET (widget)->style->ythickness) * 2;
640 }
641
642 static void
gtk_frame_size_allocate(GtkWidget * widget,GtkAllocation * allocation)643 gtk_frame_size_allocate (GtkWidget *widget,
644 GtkAllocation *allocation)
645 {
646 GtkFrame *frame = GTK_FRAME (widget);
647 GtkBin *bin = GTK_BIN (widget);
648 GtkAllocation new_allocation;
649
650 widget->allocation = *allocation;
651
652 gtk_frame_compute_child_allocation (frame, &new_allocation);
653
654 /* If the child allocation changed, that means that the frame is drawn
655 * in a new place, so we must redraw the entire widget.
656 */
657 if (gtk_widget_get_mapped (widget) &&
658 (new_allocation.x != frame->child_allocation.x ||
659 new_allocation.y != frame->child_allocation.y ||
660 new_allocation.width != frame->child_allocation.width ||
661 new_allocation.height != frame->child_allocation.height))
662 gdk_window_invalidate_rect (widget->window, &widget->allocation, FALSE);
663
664 if (bin->child && gtk_widget_get_visible (bin->child))
665 gtk_widget_size_allocate (bin->child, &new_allocation);
666
667 frame->child_allocation = new_allocation;
668
669 if (frame->label_widget && gtk_widget_get_visible (frame->label_widget))
670 {
671 GtkRequisition child_requisition;
672 GtkAllocation child_allocation;
673 gfloat xalign;
674
675 gtk_widget_get_child_requisition (frame->label_widget, &child_requisition);
676
677 if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
678 xalign = frame->label_xalign;
679 else
680 xalign = 1 - frame->label_xalign;
681
682 child_allocation.x = frame->child_allocation.x + LABEL_SIDE_PAD +
683 (frame->child_allocation.width - child_requisition.width - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD) * xalign + LABEL_PAD;
684 child_allocation.width = MIN (child_requisition.width, new_allocation.width - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD);
685
686 child_allocation.y = frame->child_allocation.y - MAX (child_requisition.height, widget->style->ythickness);
687 child_allocation.height = child_requisition.height;
688
689 gtk_widget_size_allocate (frame->label_widget, &child_allocation);
690 }
691 }
692
693 static void
gtk_frame_compute_child_allocation(GtkFrame * frame,GtkAllocation * child_allocation)694 gtk_frame_compute_child_allocation (GtkFrame *frame,
695 GtkAllocation *child_allocation)
696 {
697 g_return_if_fail (GTK_IS_FRAME (frame));
698 g_return_if_fail (child_allocation != NULL);
699
700 GTK_FRAME_GET_CLASS (frame)->compute_child_allocation (frame, child_allocation);
701 }
702
703 static void
gtk_frame_real_compute_child_allocation(GtkFrame * frame,GtkAllocation * child_allocation)704 gtk_frame_real_compute_child_allocation (GtkFrame *frame,
705 GtkAllocation *child_allocation)
706 {
707 GtkWidget *widget = GTK_WIDGET (frame);
708 GtkAllocation *allocation = &widget->allocation;
709 GtkRequisition child_requisition;
710 gint top_margin;
711
712 if (frame->label_widget)
713 {
714 gtk_widget_get_child_requisition (frame->label_widget, &child_requisition);
715 top_margin = MAX (child_requisition.height, widget->style->ythickness);
716 }
717 else
718 top_margin = widget->style->ythickness;
719
720 child_allocation->x = (GTK_CONTAINER (frame)->border_width +
721 widget->style->xthickness);
722 child_allocation->width = MAX(1, (gint)allocation->width - child_allocation->x * 2);
723
724 child_allocation->y = (GTK_CONTAINER (frame)->border_width + top_margin);
725 child_allocation->height = MAX (1, ((gint)allocation->height - child_allocation->y -
726 (gint)GTK_CONTAINER (frame)->border_width -
727 (gint)widget->style->ythickness));
728
729 child_allocation->x += allocation->x;
730 child_allocation->y += allocation->y;
731 }
732
733 #define __GTK_FRAME_C__
734 #include "gtkaliasdef.c"
735