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comparison: pidgin/gtkcellview.c

pidgin/gtkcellview.c

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1 /* gtkellview.c
2 * Copyright (C) 2002, 2003 Kristian Rietveld <kris@gtk.org>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library 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 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02111-1301, USA.
18 */
19
20 /*
21 #include <config.h>
22 */
23 #include "gtkcellview.h"
24 #include <gtk/gtkversion.h>
25 #if !GTK_CHECK_VERSION(2,6,0)
26 #if GTK_CHECK_VERSION(2,4,0)
27 #include <gtk/gtkcelllayout.h>
28 #else
29 #include "gtkcelllayout.h"
30 #endif
31 #include <gtk/gtksignal.h>
32 #include <gtk/gtkcellrenderertext.h>
33 #include <gtk/gtkcellrendererpixbuf.h>
34 #include <gobject/gmarshal.h>
35
36 #define P_(x) (x)
37
38 typedef struct _GtkCellViewCellInfo GtkCellViewCellInfo;
39 struct _GtkCellViewCellInfo
40 {
41 GtkCellRenderer *cell;
42
43 gint requested_width;
44 gint real_width;
45 guint expand : 1;
46 guint pack : 1;
47
48 GSList *attributes;
49
50 GtkCellLayoutDataFunc func;
51 gpointer func_data;
52 GDestroyNotify destroy;
53 };
54
55 struct _GtkCellViewPrivate
56 {
57 GtkTreeModel *model;
58 GtkTreeRowReference *displayed_row;
59 GList *cell_list;
60 gint spacing;
61
62 GdkColor background;
63 gboolean background_set;
64 };
65
66
67 static void gtk_cell_view_class_init (GtkCellViewClass *klass);
68 static void gtk_cell_view_cell_layout_init (GtkCellLayoutIface *iface);
69 static void gtk_cell_view_get_property (GObject *object,
70 guint param_id,
71 GValue *value,
72 GParamSpec *pspec);
73 static void gtk_cell_view_set_property (GObject *object,
74 guint param_id,
75 const GValue *value,
76 GParamSpec *pspec);
77 static void gtk_cell_view_init (GtkCellView *cellview);
78 static void gtk_cell_view_finalize (GObject *object);
79 static void gtk_cell_view_style_set (GtkWidget *widget,
80 GtkStyle *previous_style);
81 static void gtk_cell_view_size_request (GtkWidget *widget,
82 GtkRequisition *requisition);
83 static void gtk_cell_view_size_allocate (GtkWidget *widget,
84 GtkAllocation *allocation);
85 static gboolean gtk_cell_view_expose (GtkWidget *widget,
86 GdkEventExpose *event);
87 static void gtk_cell_view_set_valuesv (GtkCellView *cellview,
88 GtkCellRenderer *renderer,
89 va_list args);
90 static GtkCellViewCellInfo *gtk_cell_view_get_cell_info (GtkCellView *cellview,
91 GtkCellRenderer *renderer);
92 static void gtk_cell_view_set_cell_data (GtkCellView *cellview);
93
94
95 static void gtk_cell_view_cell_layout_pack_start (GtkCellLayout *layout,
96 GtkCellRenderer *renderer,
97 gboolean expand);
98 static void gtk_cell_view_cell_layout_pack_end (GtkCellLayout *layout,
99 GtkCellRenderer *renderer,
100 gboolean expand);
101 static void gtk_cell_view_cell_layout_add_attribute (GtkCellLayout *layout,
102 GtkCellRenderer *renderer,
103 const gchar *attribute,
104 gint column);
105 static void gtk_cell_view_cell_layout_clear (GtkCellLayout *layout);
106 static void gtk_cell_view_cell_layout_clear_attributes (GtkCellLayout *layout,
107 GtkCellRenderer *renderer);
108 static void gtk_cell_view_cell_layout_set_cell_data_func (GtkCellLayout *layout,
109 GtkCellRenderer *cell,
110 GtkCellLayoutDataFunc func,
111 gpointer func_data,
112 GDestroyNotify destroy);
113 static void gtk_cell_view_cell_layout_reorder (GtkCellLayout *layout,
114 GtkCellRenderer *cell,
115 gint position);
116
117
118 enum
119 {
120 PROP_0,
121 PROP_BACKGROUND,
122 PROP_BACKGROUND_GDK,
123 PROP_BACKGROUND_SET
124 };
125
126 static GtkObjectClass *parent_class = NULL;
127
128
129 GType
130 gtk_cell_view_get_type (void)
131 {
132 static GType cell_view_type = 0;
133
134 if (!cell_view_type)
135 {
136 static const GTypeInfo cell_view_info =
137 {
138 sizeof (GtkCellViewClass),
139 NULL, /* base_init */
140 NULL, /* base_finalize */
141 (GClassInitFunc) gtk_cell_view_class_init,
142 NULL, /* class_finalize */
143 NULL, /* class_data */
144 sizeof (GtkCellView),
145 0,
146 (GInstanceInitFunc) gtk_cell_view_init
147 };
148
149 static const GInterfaceInfo cell_layout_info =
150 {
151 (GInterfaceInitFunc) gtk_cell_view_cell_layout_init,
152 NULL,
153 NULL
154 };
155
156 cell_view_type = g_type_register_static (GTK_TYPE_WIDGET, "PidginCellView",
157 &cell_view_info, 0);
158
159 g_type_add_interface_static (cell_view_type, GTK_TYPE_CELL_LAYOUT,
160 &cell_layout_info);
161 }
162
163 return cell_view_type;
164 }
165
166 static void
167 gtk_cell_view_class_init (GtkCellViewClass *klass)
168 {
169 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
170 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
171
172 parent_class = g_type_class_peek_parent (klass);
173
174 gobject_class->get_property = gtk_cell_view_get_property;
175 gobject_class->set_property = gtk_cell_view_set_property;
176 gobject_class->finalize = gtk_cell_view_finalize;
177
178 widget_class->expose_event = gtk_cell_view_expose;
179 widget_class->size_allocate = gtk_cell_view_size_allocate;
180 widget_class->size_request = gtk_cell_view_size_request;
181 widget_class->style_set = gtk_cell_view_style_set;
182
183 /* properties */
184 g_object_class_install_property (gobject_class,
185 PROP_BACKGROUND,
186 g_param_spec_string ("background",
187 P_("Background color name"),
188 P_("Background color as a string"),
189 NULL,
190 G_PARAM_WRITABLE));
191 g_object_class_install_property (gobject_class,
192 PROP_BACKGROUND_GDK,
193 g_param_spec_boxed ("background_gdk",
194 P_("Background color"),
195 P_("Background color as a GdkColor"),
196 GDK_TYPE_COLOR,
197 G_PARAM_READABLE | G_PARAM_WRITABLE));
198
199 #define ADD_SET_PROP(propname, propval, nick, blurb) g_object_class_install_property (gobject_class, propval, g_param_spec_boolean (propname, nick, blurb, FALSE, G_PARAM_READABLE | G_PARAM_WRITABLE))
200
201 ADD_SET_PROP ("background_set", PROP_BACKGROUND_SET,
202 P_("Background set"),
203 P_("Whether this tag affects the background color"));
204 }
205
206 static void
207 gtk_cell_view_cell_layout_init (GtkCellLayoutIface *iface)
208 {
209 iface->pack_start = gtk_cell_view_cell_layout_pack_start;
210 iface->pack_end = gtk_cell_view_cell_layout_pack_end;
211 iface->clear = gtk_cell_view_cell_layout_clear;
212 iface->add_attribute = gtk_cell_view_cell_layout_add_attribute;
213 iface->set_cell_data_func = gtk_cell_view_cell_layout_set_cell_data_func;
214 iface->clear_attributes = gtk_cell_view_cell_layout_clear_attributes;
215 iface->reorder = gtk_cell_view_cell_layout_reorder;
216 }
217
218 static void
219 gtk_cell_view_get_property (GObject *object,
220 guint param_id,
221 GValue *value,
222 GParamSpec *pspec)
223 {
224 GtkCellView *view = GTK_CELL_VIEW (object);
225
226 switch (param_id)
227 {
228 case PROP_BACKGROUND_GDK:
229 {
230 GdkColor color;
231
232 color = view->priv->background;
233
234 g_value_set_boxed (value, &color);
235 }
236 break;
237 case PROP_BACKGROUND_SET:
238 g_value_set_boolean (value, view->priv->background_set);
239 break;
240 default:
241 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
242 break;
243 }
244 }
245
246 static void
247 gtk_cell_view_set_property (GObject *object,
248 guint param_id,
249 const GValue *value,
250 GParamSpec *pspec)
251 {
252 GtkCellView *view = GTK_CELL_VIEW (object);
253
254 switch (param_id)
255 {
256 case PROP_BACKGROUND:
257 {
258 GdkColor color;
259
260 if (!g_value_get_string (value))
261 gtk_cell_view_set_background_color (view, NULL);
262 else if (gdk_color_parse (g_value_get_string (value), &color))
263 gtk_cell_view_set_background_color (view, &color);
264 else
265 g_warning ("Don't know color `%s'", g_value_get_string (value));
266
267 g_object_notify (object, "background_gdk");
268 }
269 break;
270 case PROP_BACKGROUND_GDK:
271 gtk_cell_view_set_background_color (view, g_value_get_boxed (value));
272 break;
273 case PROP_BACKGROUND_SET:
274 view->priv->background_set = g_value_get_boolean (value);
275 break;
276 default:
277 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
278 break;
279 }
280 }
281
282 static void
283 gtk_cell_view_init (GtkCellView *cellview)
284 {
285 GTK_WIDGET_SET_FLAGS (cellview, GTK_NO_WINDOW);
286
287 cellview->priv = g_new0(GtkCellViewPrivate,1);
288 }
289
290 static void
291 gtk_cell_view_style_set (GtkWidget *widget,
292 GtkStyle *previous_style)
293 {
294 if (previous_style && GTK_WIDGET_REALIZED (widget))
295 gdk_window_set_background (widget->window,
296 &widget->style->base[GTK_WIDGET_STATE (widget)]);
297 }
298
299 static void
300 gtk_cell_view_finalize (GObject *object)
301 {
302 GtkCellView *cellview = GTK_CELL_VIEW (object);
303
304 gtk_cell_view_cell_layout_clear (GTK_CELL_LAYOUT (cellview));
305
306 if (cellview->priv->model)
307 g_object_unref (cellview->priv->model);
308
309 if (cellview->priv->displayed_row)
310 gtk_tree_row_reference_free (cellview->priv->displayed_row);
311
312 if (G_OBJECT_CLASS (parent_class)->finalize)
313 (* G_OBJECT_CLASS (parent_class)->finalize) (object);
314
315 g_free (cellview->priv);
316 }
317
318 static void
319 gtk_cell_view_size_request (GtkWidget *widget,
320 GtkRequisition *requisition)
321 {
322 GList *i;
323 gboolean first_cell = TRUE;
324 GtkCellView *cellview;
325
326 cellview = GTK_CELL_VIEW (widget);
327
328 requisition->width = 0;
329 requisition->height = 0;
330
331 if (cellview->priv->displayed_row)
332 gtk_cell_view_set_cell_data (cellview);
333
334 for (i = cellview->priv->cell_list; i; i = i->next)
335 {
336 gint width, height;
337 GtkCellViewCellInfo *info = (GtkCellViewCellInfo *)i->data;
338
339 if (!info->cell->visible)
340 continue;
341
342 if (!first_cell)
343 requisition->width += cellview->priv->spacing;
344
345 gtk_cell_renderer_get_size (info->cell, widget, NULL, NULL, NULL,
346 &width, &height);
347
348 info->requested_width = width;
349 requisition->width += width;
350 requisition->height = MAX (requisition->height, height);
351
352 first_cell = FALSE;
353 }
354 }
355
356 static void
357 gtk_cell_view_size_allocate (GtkWidget *widget,
358 GtkAllocation *allocation)
359 {
360 GList *i;
361 gint expand_cell_count = 0;
362 gint full_requested_width = 0;
363 gint extra_space;
364 GtkCellView *cellview;
365
366 widget->allocation = *allocation;
367
368 cellview = GTK_CELL_VIEW (widget);
369
370 /* checking how much extra space we have */
371 for (i = cellview->priv->cell_list; i; i = i->next)
372 {
373 GtkCellViewCellInfo *info = (GtkCellViewCellInfo *)i->data;
374
375 if (!info->cell->visible)
376 continue;
377
378 if (info->expand)
379 expand_cell_count++;
380
381 full_requested_width += info->requested_width;
382 }
383
384 extra_space = widget->allocation.width - full_requested_width;
385 if (extra_space < 0)
386 extra_space = 0;
387 else if (extra_space > 0 && expand_cell_count > 0)
388 extra_space /= expand_cell_count;
389
390 /* iterate list for PACK_START cells */
391 for (i = cellview->priv->cell_list; i; i = i->next)
392 {
393 GtkCellViewCellInfo *info = (GtkCellViewCellInfo *)i->data;
394
395 if (info->pack == GTK_PACK_END)
396 continue;
397
398 if (!info->cell->visible)
399 continue;
400
401 info->real_width = info->requested_width + (info->expand ? extra_space : 0);
402 }
403
404 /* iterate list for PACK_END cells */
405 for (i = cellview->priv->cell_list; i; i = i->next)
406 {
407 GtkCellViewCellInfo *info = (GtkCellViewCellInfo *)i->data;
408
409 if (info->pack == GTK_PACK_START)
410 continue;
411
412 if (!info->cell->visible)
413 continue;
414
415 info->real_width = info->requested_width + (info->expand ? extra_space : 0);
416 }
417 }
418
419 static gboolean
420 gtk_cell_view_expose (GtkWidget *widget,
421 GdkEventExpose *event)
422 {
423 GList *i;
424 GtkCellView *cellview;
425 GdkRectangle area;
426 GtkCellRendererState state;
427 gboolean rtl = (gtk_widget_get_direction(widget) == GTK_TEXT_DIR_RTL);
428
429 cellview = GTK_CELL_VIEW (widget);
430
431 if (! GTK_WIDGET_DRAWABLE (widget))
432 return FALSE;
433
434 /* "blank" background */
435 if (cellview->priv->background_set)
436 {
437 GdkGC *gc;
438
439 gc = gdk_gc_new (GTK_WIDGET (cellview)->window);
440 gdk_gc_set_rgb_fg_color (gc, &cellview->priv->background);
441
442 gdk_draw_rectangle (GTK_WIDGET (cellview)->window,
443 gc,
444 TRUE,
445
446 /*0, 0,*/
447 widget->allocation.x,
448 widget->allocation.y,
449
450 widget->allocation.width,
451 widget->allocation.height);
452
453 g_object_unref (G_OBJECT (gc));
454 }
455
456 /* set cell data (if available) */
457 if (cellview->priv->displayed_row)
458 gtk_cell_view_set_cell_data (cellview);
459 else if (cellview->priv->model)
460 return FALSE;
461
462 /* render cells */
463 area = widget->allocation;
464
465 /* we draw on our very own window, initialize x and y to zero */
466 area.x = widget->allocation.x + (rtl ? widget->allocation.width : 0);
467 area.y = widget->allocation.y;
468
469 if (GTK_WIDGET_STATE (widget) == GTK_STATE_PRELIGHT)
470 state = GTK_CELL_RENDERER_PRELIT;
471 else
472 state = 0;
473
474 /* PACK_START */
475 for (i = cellview->priv->cell_list; i; i = i->next)
476 {
477 GtkCellViewCellInfo *info = (GtkCellViewCellInfo *)i->data;
478
479 if (info->pack == GTK_PACK_END)
480 continue;
481
482 if (!info->cell->visible)
483 continue;
484
485 area.width = info->real_width;
486 if (rtl)
487 area.x -= area.width;
488
489 gtk_cell_renderer_render (info->cell,
490 event->window,
491 widget,
492 /* FIXME! */
493 &area, &area, &event->area, state);
494
495 if (!rtl)
496 area.x += info->real_width;
497 }
498
499 area.x = rtl ? widget->allocation.x : (widget->allocation.x + widget->allocation.width);
500
501 /* PACK_END */
502 for (i = cellview->priv->cell_list; i; i = i->next)
503 {
504 GtkCellViewCellInfo *info = (GtkCellViewCellInfo *)i->data;
505
506 if (info->pack == GTK_PACK_START)
507 continue;
508
509 if (!info->cell->visible)
510 continue;
511
512 area.width = info->real_width;
513 if (!rtl)
514 area.x -= area.width;
515
516 gtk_cell_renderer_render (info->cell,
517 widget->window,
518 widget,
519 /* FIXME ! */
520 &area, &area, &event->area, state);
521 if (rtl)
522 area.x += info->real_width;
523 }
524
525 return FALSE;
526 }
527
528 static GtkCellViewCellInfo *
529 gtk_cell_view_get_cell_info (GtkCellView *cellview,
530 GtkCellRenderer *renderer)
531 {
532 GList *i;
533
534 for (i = cellview->priv->cell_list; i; i = i->next)
535 {
536 GtkCellViewCellInfo *info = (GtkCellViewCellInfo *)i->data;
537
538 if (info->cell == renderer)
539 return info;
540 }
541
542 return NULL;
543 }
544
545 static void
546 gtk_cell_view_set_cell_data (GtkCellView *cellview)
547 {
548 GList *i;
549 GtkTreeIter iter;
550 GtkTreePath *path;
551
552 g_return_if_fail (cellview->priv->displayed_row != NULL);
553
554 path = gtk_tree_row_reference_get_path (cellview->priv->displayed_row);
555 gtk_tree_model_get_iter (cellview->priv->model, &iter, path);
556 gtk_tree_path_free (path);
557
558 for (i = cellview->priv->cell_list; i; i = i->next)
559 {
560 GSList *j;
561 GtkCellViewCellInfo *info = i->data;
562
563 g_object_freeze_notify (G_OBJECT (info->cell));
564
565 for (j = info->attributes; j && j->next; j = j->next->next)
566 {
567 gchar *property = j->data;
568 gint column = GPOINTER_TO_INT (j->next->data);
569 GValue value = {0, };
570
571 gtk_tree_model_get_value (cellview->priv->model, &iter,
572 column, &value);
573 g_object_set_property (G_OBJECT (info->cell),
574 property, &value);
575 g_value_unset (&value);
576 }
577
578 if (info->func)
579 (* info->func) (GTK_CELL_LAYOUT (cellview),
580 info->cell,
581 cellview->priv->model,
582 &iter,
583 info->func_data);
584
585 g_object_thaw_notify (G_OBJECT (info->cell));
586 }
587 }
588
589 /* GtkCellLayout implementation */
590 static void
591 gtk_cell_view_cell_layout_pack_start (GtkCellLayout *layout,
592 GtkCellRenderer *renderer,
593 gboolean expand)
594 {
595 GtkCellViewCellInfo *info;
596 GtkCellView *cellview = GTK_CELL_VIEW (layout);
597
598 g_return_if_fail (GTK_IS_CELL_VIEW (cellview));
599 g_return_if_fail (GTK_IS_CELL_RENDERER (renderer));
600 g_return_if_fail (!gtk_cell_view_get_cell_info (cellview, renderer));
601
602 g_object_ref (G_OBJECT (renderer));
603 gtk_object_sink (GTK_OBJECT (renderer));
604
605 info = g_new0 (GtkCellViewCellInfo, 1);
606 info->cell = renderer;
607 info->expand = expand ? TRUE : FALSE;
608 info->pack = GTK_PACK_START;
609
610 cellview->priv->cell_list = g_list_append (cellview->priv->cell_list, info);
611 }
612
613 static void
614 gtk_cell_view_cell_layout_pack_end (GtkCellLayout *layout,
615 GtkCellRenderer *renderer,
616 gboolean expand)
617 {
618 GtkCellViewCellInfo *info;
619 GtkCellView *cellview = GTK_CELL_VIEW (layout);
620
621 g_return_if_fail (GTK_IS_CELL_VIEW (cellview));
622 g_return_if_fail (GTK_IS_CELL_RENDERER (renderer));
623 g_return_if_fail (!gtk_cell_view_get_cell_info (cellview, renderer));
624
625 g_object_ref (G_OBJECT (renderer));
626 gtk_object_sink (GTK_OBJECT (renderer));
627
628 info = g_new0 (GtkCellViewCellInfo, 1);
629 info->cell = renderer;
630 info->expand = expand ? TRUE : FALSE;
631 info->pack = GTK_PACK_END;
632
633 cellview->priv->cell_list = g_list_append (cellview->priv->cell_list, info);
634 }
635
636 static void
637 gtk_cell_view_cell_layout_add_attribute (GtkCellLayout *layout,
638 GtkCellRenderer *renderer,
639 const gchar *attribute,
640 gint column)
641 {
642 GtkCellViewCellInfo *info;
643 GtkCellView *cellview = GTK_CELL_VIEW (layout);
644
645 g_return_if_fail (GTK_IS_CELL_VIEW (cellview));
646 info = gtk_cell_view_get_cell_info (cellview, renderer);
647 g_return_if_fail (info != NULL);
648
649 info->attributes = g_slist_prepend (info->attributes,
650 GINT_TO_POINTER (column));
651 info->attributes = g_slist_prepend (info->attributes,
652 g_strdup (attribute));
653 }
654
655 static void
656 gtk_cell_view_cell_layout_clear (GtkCellLayout *layout)
657 {
658 GtkCellView *cellview = GTK_CELL_VIEW (layout);
659
660 g_return_if_fail (GTK_IS_CELL_VIEW (cellview));
661
662 while (cellview->priv->cell_list)
663 {
664 GtkCellViewCellInfo *info = (GtkCellViewCellInfo *)cellview->priv->cell_list->data;
665
666 gtk_cell_view_cell_layout_clear_attributes (layout, info->cell);
667 g_object_unref (G_OBJECT (info->cell));
668 g_free (info);
669 cellview->priv->cell_list = g_list_delete_link (cellview->priv->cell_list,
670 cellview->priv->cell_list);
671 }
672 }
673
674 static void
675 gtk_cell_view_cell_layout_set_cell_data_func (GtkCellLayout *layout,
676 GtkCellRenderer *cell,
677 GtkCellLayoutDataFunc func,
678 gpointer func_data,
679 GDestroyNotify destroy)
680 {
681 GtkCellView *cellview = GTK_CELL_VIEW (layout);
682 GtkCellViewCellInfo *info;
683
684 g_return_if_fail (GTK_IS_CELL_VIEW (cellview));
685
686 info = gtk_cell_view_get_cell_info (cellview, cell);
687 g_return_if_fail (info != NULL);
688
689 if (info->destroy)
690 {
691 GDestroyNotify d = info->destroy;
692
693 info->destroy = NULL;
694 d (info->func_data);
695 }
696
697 info->func = func;
698 info->func_data = func_data;
699 info->destroy = destroy;
700 }
701
702 static void
703 gtk_cell_view_cell_layout_clear_attributes (GtkCellLayout *layout,
704 GtkCellRenderer *renderer)
705 {
706 GtkCellViewCellInfo *info;
707 GtkCellView *cellview = GTK_CELL_VIEW (layout);
708 GSList *list;
709
710 g_return_if_fail (GTK_IS_CELL_VIEW (cellview));
711 g_return_if_fail (GTK_IS_CELL_RENDERER (renderer));
712
713 info = gtk_cell_view_get_cell_info (cellview, renderer);
714 if (info != NULL)
715 {
716 list = info->attributes;
717 while (list && list->next)
718 {
719 g_free (list->data);
720 list = list->next->next;
721 }
722
723 g_slist_free (info->attributes);
724 info->attributes = NULL;
725 }
726 }
727
728 static void
729 gtk_cell_view_cell_layout_reorder (GtkCellLayout *layout,
730 GtkCellRenderer *cell,
731 gint position)
732 {
733 GList *link;
734 GtkCellViewCellInfo *info;
735 GtkCellView *cellview = GTK_CELL_VIEW (layout);
736
737 g_return_if_fail (GTK_IS_CELL_VIEW (cellview));
738 g_return_if_fail (GTK_IS_CELL_RENDERER (cell));
739
740 info = gtk_cell_view_get_cell_info (cellview, cell);
741
742 g_return_if_fail (info != NULL);
743 g_return_if_fail (position >= 0);
744
745 link = g_list_find (cellview->priv->cell_list, info);
746
747 g_return_if_fail (link != NULL);
748
749 cellview->priv->cell_list = g_list_remove_link (cellview->priv->cell_list,
750 link);
751 cellview->priv->cell_list = g_list_insert (cellview->priv->cell_list,
752 info, position);
753
754 gtk_widget_queue_draw (GTK_WIDGET (cellview));
755 }
756
757 /* public API */
758 GtkWidget *
759 gtk_cell_view_new (void)
760 {
761 GtkCellView *cellview;
762
763 cellview = GTK_CELL_VIEW (g_object_new (gtk_cell_view_get_type (), NULL));
764
765 return GTK_WIDGET (cellview);
766 }
767
768 GtkWidget *
769 gtk_cell_view_new_with_text (const gchar *text)
770 {
771 GtkCellView *cellview;
772 GtkCellRenderer *renderer;
773 GValue value = {0, };
774
775 cellview = GTK_CELL_VIEW (gtk_cell_view_new ());
776
777 renderer = gtk_cell_renderer_text_new ();
778 gtk_cell_view_cell_layout_pack_start (GTK_CELL_LAYOUT (cellview),
779 renderer, TRUE);
780
781 g_value_init (&value, G_TYPE_STRING);
782 g_value_set_string (&value, text);
783 gtk_cell_view_set_values (cellview, renderer, "text", &value, NULL);
784 g_value_unset (&value);
785
786 return GTK_WIDGET (cellview);
787 }
788
789 GtkWidget *
790 gtk_cell_view_new_with_markup (const gchar *markup)
791 {
792 GtkCellView *cellview;
793 GtkCellRenderer *renderer;
794 GValue value = {0, };
795
796 cellview = GTK_CELL_VIEW (gtk_cell_view_new ());
797
798 renderer = gtk_cell_renderer_text_new ();
799 gtk_cell_view_cell_layout_pack_start (GTK_CELL_LAYOUT (cellview),
800 renderer, TRUE);
801
802 g_value_init (&value, G_TYPE_STRING);
803 g_value_set_string (&value, markup);
804 gtk_cell_view_set_values (cellview, renderer, "markup", &value, NULL);
805 g_value_unset (&value);
806
807 return GTK_WIDGET (cellview);
808 }
809
810 GtkWidget *
811 gtk_cell_view_new_with_pixbuf (GdkPixbuf *pixbuf)
812 {
813 GtkCellView *cellview;
814 GtkCellRenderer *renderer;
815 GValue value = {0, };
816
817 cellview = GTK_CELL_VIEW (gtk_cell_view_new ());
818
819 renderer = gtk_cell_renderer_pixbuf_new ();
820 gtk_cell_view_cell_layout_pack_start (GTK_CELL_LAYOUT (cellview),
821 renderer, TRUE);
822
823 g_value_init (&value, GDK_TYPE_PIXBUF);
824 g_value_set_object (&value, pixbuf);
825 gtk_cell_view_set_values (cellview, renderer, "pixbuf", &value, NULL);
826 g_value_unset (&value);
827
828 return GTK_WIDGET (cellview);
829 }
830
831 void
832 gtk_cell_view_set_value (GtkCellView *cell_view,
833 GtkCellRenderer *renderer,
834 gchar *property,
835 GValue *value)
836 {
837 g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
838 g_return_if_fail (GTK_IS_CELL_RENDERER (renderer));
839
840 g_object_set_property (G_OBJECT (renderer), property, value);
841
842 /* force resize and redraw */
843 gtk_widget_queue_resize (GTK_WIDGET (cell_view));
844 gtk_widget_queue_draw (GTK_WIDGET (cell_view));
845 }
846
847 static void
848 gtk_cell_view_set_valuesv (GtkCellView *cell_view,
849 GtkCellRenderer *renderer,
850 va_list args)
851 {
852 gchar *attribute;
853 GValue *value;
854
855 attribute = va_arg (args, gchar *);
856
857 while (attribute)
858 {
859 value = va_arg (args, GValue *);
860 gtk_cell_view_set_value (cell_view, renderer, attribute, value);
861 attribute = va_arg (args, gchar *);
862 }
863 }
864
865 void
866 gtk_cell_view_set_values (GtkCellView *cell_view,
867 GtkCellRenderer *renderer,
868 ...)
869 {
870 va_list args;
871
872 g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
873 g_return_if_fail (GTK_IS_CELL_RENDERER (renderer));
874 g_return_if_fail (gtk_cell_view_get_cell_info (cell_view, renderer));
875
876 va_start (args, renderer);
877 gtk_cell_view_set_valuesv (cell_view, renderer, args);
878 va_end (args);
879 }
880
881 void
882 gtk_cell_view_set_model (GtkCellView *cell_view,
883 GtkTreeModel *model)
884 {
885 g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
886 g_return_if_fail (GTK_IS_TREE_MODEL (model));
887
888 if (cell_view->priv->model)
889 {
890 if (cell_view->priv->displayed_row)
891 gtk_tree_row_reference_free (cell_view->priv->displayed_row);
892 cell_view->priv->displayed_row = NULL;
893
894 g_object_unref (G_OBJECT (cell_view->priv->model));
895 cell_view->priv->model = NULL;
896 }
897
898 cell_view->priv->model = model;
899
900 if (cell_view->priv->model)
901 g_object_ref (G_OBJECT (cell_view->priv->model));
902 }
903
904 /**
905 * gtk_cell_view_set_displayed_row:
906 * @cell_view: a #GtkCellView
907 * @path: a #GtkTreePath or %NULL to unset.
908 *
909 * Sets the row of the model that is currently displayed
910 * by the #GtkCellView. If the path is unset, then the
911 * contents of the cellview "stick" at their last value;
912 * this is not normally a desired result, but may be
913 * a needed intermediate state if say, the model for
914 * the #GtkCellView becomes temporarily empty.
915 **/
916 void
917 gtk_cell_view_set_displayed_row (GtkCellView *cell_view,
918 GtkTreePath *path)
919 {
920 g_return_if_fail (GTK_IS_CELL_VIEW (cell_view));
921 g_return_if_fail (GTK_IS_TREE_MODEL (cell_view->priv->model));
922
923 if (cell_view->priv->displayed_row)
924 gtk_tree_row_reference_free (cell_view->priv->displayed_row);
925
926 if (path)
927 {
928 cell_view->priv->displayed_row =
929 gtk_tree_row_reference_new (cell_view->priv->model, path);
930 }
931 else
932 cell_view->priv->displayed_row = NULL;
933
934 /* force resize and redraw */
935 gtk_widget_queue_resize (GTK_WIDGET (cell_view));
936 gtk_widget_queue_draw (GTK_WIDGET (cell_view));
937 }
938
939 GtkTreePath *
940 gtk_cell_view_get_displayed_row (GtkCellView *cell_view)
941 {
942 g_return_val_if_fail (GTK_IS_CELL_VIEW (cell_view), NULL);
943
944 if (!cell_view->priv->displayed_row)
945 return NULL;
946
947 return gtk_tree_row_reference_get_path (cell_view->priv->displayed_row);
948 }
949
950 gboolean
951 gtk_cell_view_get_size_of_row (GtkCellView *cell_view,
952 GtkTreePath *path,
953 GtkRequisition *requisition)
954 {
955 GtkTreeRowReference *tmp;
956 GtkRequisition req;
957
958 g_return_val_if_fail (GTK_IS_CELL_VIEW (cell_view), FALSE);
959 g_return_val_if_fail (path != NULL, FALSE);
960 g_return_val_if_fail (requisition != NULL, FALSE);
961
962 tmp = cell_view->priv->displayed_row;
963 cell_view->priv->displayed_row =
964 gtk_tree_row_reference_new (cell_view->priv->model, path);
965
966 gtk_cell_view_size_request (GTK_WIDGET (cell_view), requisition);
967
968 gtk_tree_row_reference_free (cell_view->priv->displayed_row);
969 cell_view->priv->displayed_row = tmp;
970
971 /* restore actual size info */
972 gtk_cell_view_size_request (GTK_WIDGET (cell_view), &req);
973
974 return TRUE;
975 }
976
977 void
978 gtk_cell_view_set_background_color (GtkCellView *view,
979 const GdkColor *color)
980 {
981 g_return_if_fail (GTK_IS_CELL_VIEW (view));
982
983 if (color)
984 {
985 if (!view->priv->background_set)
986 {
987 view->priv->background_set = TRUE;
988 g_object_notify (G_OBJECT (view), "background_set");
989 }
990
991 view->priv->background = *color;
992 }
993 else
994 {
995 if (view->priv->background_set)
996 {
997 view->priv->background_set = FALSE;
998 g_object_notify (G_OBJECT (view), "background_set");
999 }
1000 }
1001 }
1002 #endif /* Gtk 2.6 */

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