1 /* GtkToolPalette -- A tool palette with categories and DnD support
2 * Copyright (C) 2008 Openismus GmbH
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 2.1 of the License, or (at your option) any later version.
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.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
27 #include "gtktoolpaletteprivate.h"
28 #include "gtkmarshalers.h"
30 #include "gtkprivate.h"
33 #define DEFAULT_ICON_SIZE GTK_ICON_SIZE_SMALL_TOOLBAR
34 #define DEFAULT_ORIENTATION GTK_ORIENTATION_VERTICAL
35 #define DEFAULT_TOOLBAR_STYLE GTK_TOOLBAR_ICONS
37 #define DEFAULT_CHILD_EXCLUSIVE FALSE
38 #define DEFAULT_CHILD_EXPAND FALSE
41 * SECTION:gtktoolpalette
42 * @Short_description: A tool palette with categories
43 * @Title: GtkToolPalette
45 * A #GtkToolPalette allows you to add #GtkToolItem<!-- -->s to a palette-like
46 * container with different categories and drag and drop support.
48 * A #GtkToolPalette is created with a call to gtk_tool_palette_new().
50 * #GtkToolItem<!-- -->s cannot be added directly to a #GtkToolPalette -
51 * instead they are added to a #GtkToolItemGroup which can than be added
52 * to a #GtkToolPalette. To add a #GtkToolItemGroup to a #GtkToolPalette,
53 * use gtk_container_add().
56 * GtkWidget *palette, *group;
59 * palette = gtk_tool_palette_new ();
60 * group = gtk_tool_item_group_new (_("Test Category"));
61 * gtk_container_add (GTK_CONTAINER (palette), group);
63 * item = gtk_tool_button_new_from_stock (GTK_STOCK_OK);
64 * gtk_tool_item_group_insert (GTK_TOOL_ITEM_GROUP (group), item, -1);
67 * The easiest way to use drag and drop with #GtkToolPalette is to call
68 * gtk_tool_palette_add_drag_dest() with the desired drag source @palette
69 * and the desired drag target @widget. Then gtk_tool_palette_get_drag_item()
70 * can be used to get the dragged item in the #GtkWidget::drag-data-received
71 * signal handler of the drag target.
75 * passive_canvas_drag_data_received (GtkWidget *widget,
76 * GdkDragContext *context,
79 * GtkSelectionData *selection,
87 * /<!-- -->* Get the dragged item *<!-- -->/
88 * palette = gtk_widget_get_ancestor (gtk_drag_get_source_widget (context),
89 * GTK_TYPE_TOOL_PALETTE);
90 * if (palette != NULL)
91 * item = gtk_tool_palette_get_drag_item (GTK_TOOL_PALETTE (palette),
94 * /<!-- -->* Do something with item *<!-- -->/
97 * GtkWidget *target, palette;
99 * palette = gtk_tool_palette_new ();
100 * target = gtk_drawing_area_new ();
102 * g_signal_connect (G_OBJECT (target), "drag-data-received",
103 * G_CALLBACK (passive_canvas_drag_data_received), NULL);
104 * gtk_tool_palette_add_drag_dest (GTK_TOOL_PALETTE (palette), target,
105 * GTK_DEST_DEFAULT_ALL,
106 * GTK_TOOL_PALETTE_DRAG_ITEMS,
113 typedef struct _GtkToolItemGroupInfo GtkToolItemGroupInfo;
114 typedef struct _GtkToolPaletteDragData GtkToolPaletteDragData;
128 CHILD_PROP_EXCLUSIVE,
132 struct _GtkToolItemGroupInfo
134 GtkToolItemGroup *widget;
136 guint notify_collapsed;
142 struct _GtkToolPalettePrivate
146 GtkAdjustment *hadjustment;
147 GtkAdjustment *vadjustment;
149 GtkIconSize icon_size;
150 gboolean icon_size_set;
151 GtkOrientation orientation;
152 GtkToolbarStyle style;
155 GtkWidget *expanding_child;
157 GtkSizeGroup *text_size_group;
159 GtkSettings *settings;
160 gulong settings_connection;
162 guint drag_source : 2;
165 struct _GtkToolPaletteDragData
167 GtkToolPalette *palette;
171 static GdkAtom dnd_target_atom_item = GDK_NONE;
172 static GdkAtom dnd_target_atom_group = GDK_NONE;
174 static const GtkTargetEntry dnd_targets[] =
176 { "application/x-gtk-tool-palette-item", GTK_TARGET_SAME_APP, 0 },
177 { "application/x-gtk-tool-palette-group", GTK_TARGET_SAME_APP, 0 },
180 G_DEFINE_TYPE_WITH_CODE (GtkToolPalette,
183 G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE, NULL));
186 gtk_tool_palette_init (GtkToolPalette *palette)
188 palette->priv = G_TYPE_INSTANCE_GET_PRIVATE (palette,
189 GTK_TYPE_TOOL_PALETTE,
190 GtkToolPalettePrivate);
192 palette->priv->groups = g_ptr_array_sized_new (4);
193 g_ptr_array_set_free_func (palette->priv->groups, g_free);
195 palette->priv->icon_size = DEFAULT_ICON_SIZE;
196 palette->priv->icon_size_set = FALSE;
197 palette->priv->orientation = DEFAULT_ORIENTATION;
198 palette->priv->style = DEFAULT_TOOLBAR_STYLE;
199 palette->priv->style_set = FALSE;
201 palette->priv->text_size_group = gtk_size_group_new (GTK_SIZE_GROUP_BOTH);
205 gtk_tool_palette_reconfigured (GtkToolPalette *palette)
209 for (i = 0; i < palette->priv->groups->len; ++i)
211 GtkToolItemGroupInfo *info = g_ptr_array_index (palette->priv->groups, i);
213 _gtk_tool_item_group_palette_reconfigured (info->widget);
216 gtk_widget_queue_resize_no_redraw (GTK_WIDGET (palette));
220 gtk_tool_palette_set_property (GObject *object,
225 GtkToolPalette *palette = GTK_TOOL_PALETTE (object);
230 if ((guint) g_value_get_enum (value) != palette->priv->icon_size)
232 palette->priv->icon_size = g_value_get_enum (value);
233 gtk_tool_palette_reconfigured (palette);
237 case PROP_ICON_SIZE_SET:
238 if ((guint) g_value_get_enum (value) != palette->priv->icon_size)
240 palette->priv->icon_size_set = g_value_get_enum (value);
241 gtk_tool_palette_reconfigured (palette);
245 case PROP_ORIENTATION:
246 if ((guint) g_value_get_enum (value) != palette->priv->orientation)
248 palette->priv->orientation = g_value_get_enum (value);
249 gtk_tool_palette_reconfigured (palette);
253 case PROP_TOOLBAR_STYLE:
254 if ((guint) g_value_get_enum (value) != palette->priv->style)
256 palette->priv->style = g_value_get_enum (value);
257 gtk_tool_palette_reconfigured (palette);
262 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
268 gtk_tool_palette_get_property (GObject *object,
273 GtkToolPalette *palette = GTK_TOOL_PALETTE (object);
278 g_value_set_enum (value, gtk_tool_palette_get_icon_size (palette));
281 case PROP_ICON_SIZE_SET:
282 g_value_set_boolean (value, palette->priv->icon_size_set);
285 case PROP_ORIENTATION:
286 g_value_set_enum (value, palette->priv->orientation);
289 case PROP_TOOLBAR_STYLE:
290 g_value_set_enum (value, gtk_tool_palette_get_style (palette));
294 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
300 gtk_tool_palette_dispose (GObject *object)
302 GtkToolPalette *palette = GTK_TOOL_PALETTE (object);
305 if (palette->priv->hadjustment)
307 g_object_unref (palette->priv->hadjustment);
308 palette->priv->hadjustment = NULL;
311 if (palette->priv->vadjustment)
313 g_object_unref (palette->priv->vadjustment);
314 palette->priv->vadjustment = NULL;
317 for (i = 0; i < palette->priv->groups->len; ++i)
319 GtkToolItemGroupInfo *group = g_ptr_array_index (palette->priv->groups, i);
321 if (group->notify_collapsed)
323 g_signal_handler_disconnect (group->widget, group->notify_collapsed);
324 group->notify_collapsed = 0;
328 if (palette->priv->text_size_group)
330 g_object_unref (palette->priv->text_size_group);
331 palette->priv->text_size_group = NULL;
334 G_OBJECT_CLASS (gtk_tool_palette_parent_class)->dispose (object);
338 gtk_tool_palette_finalize (GObject *object)
340 GtkToolPalette *palette = GTK_TOOL_PALETTE (object);
342 g_ptr_array_free (palette->priv->groups, TRUE);
344 G_OBJECT_CLASS (gtk_tool_palette_parent_class)->finalize (object);
348 gtk_tool_palette_size_request (GtkWidget *widget,
349 GtkRequisition *requisition)
351 GtkToolPalette *palette = GTK_TOOL_PALETTE (widget);
352 GtkRequisition child_requisition;
356 border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
358 requisition->width = 0;
359 requisition->height = 0;
361 for (i = 0; i < palette->priv->groups->len; ++i)
363 GtkToolItemGroupInfo *group = g_ptr_array_index (palette->priv->groups, i);
368 gtk_widget_get_preferred_size (GTK_WIDGET (group->widget),
369 &child_requisition, NULL);
371 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
373 requisition->width = MAX (requisition->width, child_requisition.width);
374 requisition->height += child_requisition.height;
378 requisition->width += child_requisition.width;
379 requisition->height = MAX (requisition->height, child_requisition.height);
383 requisition->width += border_width * 2;
384 requisition->height += border_width * 2;
388 gtk_tool_palette_size_allocate (GtkWidget *widget,
389 GtkAllocation *allocation)
391 GtkToolPalette *palette = GTK_TOOL_PALETTE (widget);
392 GtkAdjustment *adjustment = NULL;
393 GtkAllocation child_allocation;
395 gint n_expand_groups = 0;
396 gint remaining_space = 0;
397 gint expand_space = 0;
399 gint page_start, page_size = 0;
404 gint min_offset = -1, max_offset = -1;
408 gint *group_sizes = g_newa (gint, palette->priv->groups->len);
410 border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
411 GtkTextDirection direction = gtk_widget_get_direction (widget);
413 GTK_WIDGET_CLASS (gtk_tool_palette_parent_class)->size_allocate (widget, allocation);
415 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
417 adjustment = palette->priv->vadjustment;
418 page_size = allocation->height;
422 adjustment = palette->priv->hadjustment;
423 page_size = allocation->width;
427 offset = gtk_adjustment_get_value (adjustment);
428 if (GTK_ORIENTATION_HORIZONTAL == palette->priv->orientation &&
429 GTK_TEXT_DIR_RTL == direction)
432 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
433 child_allocation.width = allocation->width - border_width * 2;
435 child_allocation.height = allocation->height - border_width * 2;
437 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
438 remaining_space = allocation->height;
440 remaining_space = allocation->width;
442 /* figure out the required size of all groups to be able to distribute the
443 * remaining space on allocation
445 for (i = 0; i < palette->priv->groups->len; ++i)
447 GtkToolItemGroupInfo *group = g_ptr_array_index (palette->priv->groups, i);
453 widget = GTK_WIDGET (group->widget);
455 if (gtk_tool_item_group_get_n_items (group->widget))
457 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
458 size = _gtk_tool_item_group_get_height_for_width (group->widget, child_allocation.width);
460 size = _gtk_tool_item_group_get_width_for_height (group->widget, child_allocation.height);
462 if (group->expand && !gtk_tool_item_group_get_collapsed (group->widget))
463 n_expand_groups += 1;
468 remaining_space -= size;
469 group_sizes[i] = size;
471 /* if the widget is currently expanding an offset which allows to
472 * display as much of the widget as possible is calculated
474 if (widget == palette->priv->expanding_child)
477 GTK_ORIENTATION_VERTICAL == palette->priv->orientation ?
478 child_allocation.width : child_allocation.height;
485 for (j = 0; j < i; ++j)
486 min_offset += group_sizes[j];
488 max_offset = min_offset + group_sizes[i];
490 real_size = _gtk_tool_item_group_get_size_for_limit
491 (GTK_TOOL_ITEM_GROUP (widget), limit,
492 GTK_ORIENTATION_VERTICAL == palette->priv->orientation,
495 if (size == real_size)
496 palette->priv->expanding_child = NULL;
500 if (n_expand_groups > 0)
502 remaining_space = MAX (0, remaining_space);
503 expand_space = remaining_space / n_expand_groups;
506 if (max_offset != -1)
509 GTK_ORIENTATION_VERTICAL == palette->priv->orientation ?
510 allocation->height : allocation->width;
512 offset = MIN (MAX (offset, max_offset - limit), min_offset);
515 if (remaining_space > 0)
519 child_allocation.y = border_width;
521 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
522 child_allocation.y -= offset;
526 /* allocate all groups at the calculated positions */
527 for (i = 0; i < palette->priv->groups->len; ++i)
529 GtkToolItemGroupInfo *group = g_ptr_array_index (palette->priv->groups, i);
535 widget = GTK_WIDGET (group->widget);
537 if (gtk_tool_item_group_get_n_items (group->widget))
539 gint size = group_sizes[i];
541 if (group->expand && !gtk_tool_item_group_get_collapsed (group->widget))
543 size += MIN (expand_space, remaining_space);
544 remaining_space -= expand_space;
547 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
548 child_allocation.height = size;
550 child_allocation.width = size;
552 if (GTK_ORIENTATION_HORIZONTAL == palette->priv->orientation &&
553 GTK_TEXT_DIR_RTL == direction)
554 child_allocation.x = allocation->width - x - child_allocation.width;
556 child_allocation.x = x;
558 gtk_widget_size_allocate (widget, &child_allocation);
559 gtk_widget_show (widget);
561 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
562 child_allocation.y += child_allocation.height;
564 x += child_allocation.width;
567 gtk_widget_hide (widget);
570 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
572 child_allocation.y += border_width;
573 child_allocation.y += offset;
575 page_start = child_allocation.y;
585 /* update the scrollbar to match the displayed adjustment */
590 adjustment->page_increment = page_size * 0.9;
591 adjustment->step_increment = page_size * 0.1;
592 adjustment->page_size = page_size;
594 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation ||
595 GTK_TEXT_DIR_LTR == direction)
597 adjustment->lower = 0;
598 adjustment->upper = MAX (0, page_start);
600 value = MIN (offset, adjustment->upper - adjustment->page_size);
601 gtk_adjustment_clamp_page (adjustment, value, offset + page_size);
605 adjustment->lower = page_size - MAX (0, page_start);
606 adjustment->upper = page_size;
610 value = MAX (offset, adjustment->lower);
611 gtk_adjustment_clamp_page (adjustment, offset, value + page_size);
614 gtk_adjustment_changed (adjustment);
619 gtk_tool_palette_draw (GtkWidget *widget,
622 GtkToolPalette *palette = GTK_TOOL_PALETTE (widget);
627 window = gtk_widget_get_window (widget);
629 display = gdk_window_get_display (window);
631 if (!gdk_display_supports_composite (display))
634 cairo_push_group (cr);
636 for (i = 0; i < palette->priv->groups->len; ++i)
638 GtkToolItemGroupInfo *info = g_ptr_array_index (palette->priv->groups, i);
640 _gtk_tool_item_group_paint (info->widget, cr);
643 cairo_pop_group_to_source (cr);
651 gtk_tool_palette_realize (GtkWidget *widget)
653 GtkAllocation allocation;
655 GdkWindowAttr attributes;
656 gint attributes_mask;
659 gtk_widget_set_realized (widget, TRUE);
661 border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
663 gtk_widget_get_allocation (widget, &allocation);
665 attributes.window_type = GDK_WINDOW_CHILD;
666 attributes.x = allocation.x + border_width;
667 attributes.y = allocation.y + border_width;
668 attributes.width = allocation.width - border_width * 2;
669 attributes.height = allocation.height - border_width * 2;
670 attributes.wclass = GDK_INPUT_OUTPUT;
671 attributes.visual = gtk_widget_get_visual (widget);
672 attributes.event_mask = gtk_widget_get_events (widget)
673 | GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK
674 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
675 | GDK_BUTTON_MOTION_MASK;
676 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
678 window = gdk_window_new (gtk_widget_get_parent_window (widget),
679 &attributes, attributes_mask);
680 gtk_widget_set_window (widget, window);
681 gdk_window_set_user_data (window, widget);
683 gtk_widget_style_attach (widget);
684 gtk_style_set_background (gtk_widget_get_style (widget),
685 window, GTK_STATE_NORMAL);
687 gtk_container_forall (GTK_CONTAINER (widget),
688 (GtkCallback) gtk_widget_set_parent_window,
691 gtk_widget_queue_resize_no_redraw (widget);
695 gtk_tool_palette_adjustment_value_changed (GtkAdjustment *adjustment,
698 GtkAllocation allocation;
699 GtkWidget *widget = GTK_WIDGET (data);
701 gtk_widget_get_allocation (widget, &allocation);
702 gtk_tool_palette_size_allocate (widget, &allocation);
706 gtk_tool_palette_set_scroll_adjustments (GtkWidget *widget,
707 GtkAdjustment *hadjustment,
708 GtkAdjustment *vadjustment)
710 GtkToolPalette *palette = GTK_TOOL_PALETTE (widget);
713 g_object_ref_sink (hadjustment);
715 g_object_ref_sink (vadjustment);
717 if (palette->priv->hadjustment)
718 g_object_unref (palette->priv->hadjustment);
719 if (palette->priv->vadjustment)
720 g_object_unref (palette->priv->vadjustment);
722 palette->priv->hadjustment = hadjustment;
723 palette->priv->vadjustment = vadjustment;
725 if (palette->priv->hadjustment)
726 g_signal_connect (palette->priv->hadjustment, "value-changed",
727 G_CALLBACK (gtk_tool_palette_adjustment_value_changed),
729 if (palette->priv->vadjustment)
730 g_signal_connect (palette->priv->vadjustment, "value-changed",
731 G_CALLBACK (gtk_tool_palette_adjustment_value_changed),
736 gtk_tool_palette_add (GtkContainer *container,
739 GtkToolPalette *palette;
740 GtkToolItemGroupInfo *info = g_new0(GtkToolItemGroupInfo, 1);
742 g_return_if_fail (GTK_IS_TOOL_PALETTE (container));
743 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (child));
745 palette = GTK_TOOL_PALETTE (container);
747 g_ptr_array_add (palette->priv->groups, info);
748 info->pos = palette->priv->groups->len - 1;
749 info->widget = g_object_ref_sink (child);
751 gtk_widget_set_parent (child, GTK_WIDGET (palette));
755 gtk_tool_palette_remove (GtkContainer *container,
758 GtkToolPalette *palette;
761 g_return_if_fail (GTK_IS_TOOL_PALETTE (container));
762 palette = GTK_TOOL_PALETTE (container);
764 for (i = 0; i < palette->priv->groups->len; ++i)
766 GtkToolItemGroupInfo *info = g_ptr_array_index (palette->priv->groups, i);
767 if (GTK_WIDGET(info->widget) == child)
769 g_object_unref (child);
770 gtk_widget_unparent (child);
772 g_ptr_array_remove_index (palette->priv->groups, i);
778 gtk_tool_palette_forall (GtkContainer *container,
780 GtkCallback callback,
781 gpointer callback_data)
783 GtkToolPalette *palette = GTK_TOOL_PALETTE (container);
787 for (i = 0; i < palette->priv->groups->len; ++i)
789 GtkToolItemGroupInfo *info = g_ptr_array_index (palette->priv->groups, i);
791 callback (GTK_WIDGET (info->widget),
797 gtk_tool_palette_child_type (GtkContainer *container)
799 return GTK_TYPE_TOOL_ITEM_GROUP;
803 gtk_tool_palette_set_child_property (GtkContainer *container,
809 GtkToolPalette *palette = GTK_TOOL_PALETTE (container);
813 case CHILD_PROP_EXCLUSIVE:
814 gtk_tool_palette_set_exclusive (palette, GTK_TOOL_ITEM_GROUP (child),
815 g_value_get_boolean (value));
818 case CHILD_PROP_EXPAND:
819 gtk_tool_palette_set_expand (palette, GTK_TOOL_ITEM_GROUP (child),
820 g_value_get_boolean (value));
824 GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, prop_id, pspec);
830 gtk_tool_palette_get_child_property (GtkContainer *container,
836 GtkToolPalette *palette = GTK_TOOL_PALETTE (container);
840 case CHILD_PROP_EXCLUSIVE:
841 g_value_set_boolean (value,
842 gtk_tool_palette_get_exclusive (palette, GTK_TOOL_ITEM_GROUP (child)));
845 case CHILD_PROP_EXPAND:
846 g_value_set_boolean (value,
847 gtk_tool_palette_get_expand (palette, GTK_TOOL_ITEM_GROUP (child)));
851 GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, prop_id, pspec);
857 style_change_notify (GtkToolPalette *palette)
859 GtkToolPalettePrivate* priv = palette->priv;
861 if (!priv->style_set)
863 /* pretend it was set, then unset, thus reverting to new default */
864 priv->style_set = TRUE;
865 gtk_tool_palette_unset_style (palette);
870 icon_size_change_notify (GtkToolPalette *palette)
872 GtkToolPalettePrivate* priv = palette->priv;
874 if (!priv->icon_size_set)
876 /* pretend it was set, then unset, thus reverting to new default */
877 priv->icon_size_set = TRUE;
878 gtk_tool_palette_unset_icon_size (palette);
883 gtk_tool_palette_settings_change_notify (GtkSettings *settings,
884 const GParamSpec *pspec,
885 GtkToolPalette *palette)
887 if (strcmp (pspec->name, "gtk-toolbar-style") == 0)
888 style_change_notify (palette);
889 else if (strcmp (pspec->name, "gtk-toolbar-icon-size") == 0)
890 icon_size_change_notify (palette);
894 gtk_tool_palette_screen_changed (GtkWidget *widget,
895 GdkScreen *previous_screen)
897 GtkToolPalette *palette = GTK_TOOL_PALETTE (widget);
898 GtkToolPalettePrivate* priv = palette->priv;
899 GtkSettings *old_settings = priv->settings;
900 GtkSettings *settings;
902 if (gtk_widget_has_screen (GTK_WIDGET (palette)))
903 settings = gtk_widget_get_settings (GTK_WIDGET (palette));
907 if (settings == old_settings)
912 g_signal_handler_disconnect (old_settings, priv->settings_connection);
913 g_object_unref (old_settings);
918 priv->settings_connection =
919 g_signal_connect (settings, "notify",
920 G_CALLBACK (gtk_tool_palette_settings_change_notify),
922 priv->settings = g_object_ref (settings);
925 priv->settings = NULL;
927 gtk_tool_palette_reconfigured (palette);
932 gtk_tool_palette_class_init (GtkToolPaletteClass *cls)
934 GObjectClass *oclass = G_OBJECT_CLASS (cls);
935 GtkWidgetClass *wclass = GTK_WIDGET_CLASS (cls);
936 GtkContainerClass *cclass = GTK_CONTAINER_CLASS (cls);
938 oclass->set_property = gtk_tool_palette_set_property;
939 oclass->get_property = gtk_tool_palette_get_property;
940 oclass->dispose = gtk_tool_palette_dispose;
941 oclass->finalize = gtk_tool_palette_finalize;
943 wclass->size_request = gtk_tool_palette_size_request;
944 wclass->size_allocate = gtk_tool_palette_size_allocate;
945 wclass->draw = gtk_tool_palette_draw;
946 wclass->realize = gtk_tool_palette_realize;
948 cclass->add = gtk_tool_palette_add;
949 cclass->remove = gtk_tool_palette_remove;
950 cclass->forall = gtk_tool_palette_forall;
951 cclass->child_type = gtk_tool_palette_child_type;
952 cclass->set_child_property = gtk_tool_palette_set_child_property;
953 cclass->get_child_property = gtk_tool_palette_get_child_property;
955 cls->set_scroll_adjustments = gtk_tool_palette_set_scroll_adjustments;
957 /* Handle screen-changed so we can update our GtkSettings.
959 wclass->screen_changed = gtk_tool_palette_screen_changed;
962 * GtkToolPalette::set-scroll-adjustments:
963 * @widget: the GtkToolPalette that received the signal
964 * @hadjustment: The horizontal adjustment
965 * @vadjustment: The vertical adjustment
967 * Set the scroll adjustments for the viewport.
968 * Usually scrolled containers like GtkScrolledWindow will emit this
969 * signal to connect two instances of GtkScrollbar to the scroll
970 * directions of the GtkToolpalette.
974 wclass->set_scroll_adjustments_signal =
975 g_signal_new ("set-scroll-adjustments",
976 G_TYPE_FROM_CLASS (oclass),
977 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
978 G_STRUCT_OFFSET (GtkToolPaletteClass, set_scroll_adjustments),
980 _gtk_marshal_VOID__OBJECT_OBJECT,
983 GTK_TYPE_ADJUSTMENT);
985 g_object_class_override_property (oclass, PROP_ORIENTATION, "orientation");
988 * GtkToolPalette:icon-size:
990 * The size of the icons in a tool palette is normally determined by
991 * the #GtkSettings:toolbar-icon-size setting. When this property is set,
992 * it overrides the setting.
994 * This should only be used for special-purpose tool palettes, normal
995 * application tool palettes should respect the user preferences for the
1000 g_object_class_install_property (oclass,
1002 g_param_spec_enum ("icon-size",
1004 P_("Size of icons in this tool palette"),
1007 GTK_PARAM_READWRITE));
1010 * GtkToolPalette:icon-size-set:
1012 * Is %TRUE if the #GtkToolPalette:icon-size property has been set.
1016 g_object_class_install_property (oclass,
1018 g_param_spec_boolean ("icon-size-set",
1019 P_("Icon size set"),
1020 P_("Whether the icon-size property has been set"),
1022 GTK_PARAM_READWRITE));
1025 * GtkToolPalette:toolbar-style:
1027 * The style of items in the tool palette.
1031 g_object_class_install_property (oclass, PROP_TOOLBAR_STYLE,
1032 g_param_spec_enum ("toolbar-style",
1033 P_("Toolbar Style"),
1034 P_("Style of items in the tool palette"),
1035 GTK_TYPE_TOOLBAR_STYLE,
1036 DEFAULT_TOOLBAR_STYLE,
1037 GTK_PARAM_READWRITE));
1041 * GtkToolPalette:exclusive:
1043 * Whether the item group should be the only one that is expanded
1048 gtk_container_class_install_child_property (cclass, CHILD_PROP_EXCLUSIVE,
1049 g_param_spec_boolean ("exclusive",
1051 P_("Whether the item group should be the only expanded at a given time"),
1052 DEFAULT_CHILD_EXCLUSIVE,
1053 GTK_PARAM_READWRITE));
1056 * GtkToolPalette:expand:
1058 * Whether the item group should receive extra space when the palette grows.
1063 gtk_container_class_install_child_property (cclass, CHILD_PROP_EXPAND,
1064 g_param_spec_boolean ("expand",
1066 P_("Whether the item group should receive extra space when the palette grows"),
1067 DEFAULT_CHILD_EXPAND,
1068 GTK_PARAM_READWRITE));
1070 g_type_class_add_private (cls, sizeof (GtkToolPalettePrivate));
1072 dnd_target_atom_item = gdk_atom_intern_static_string (dnd_targets[0].target);
1073 dnd_target_atom_group = gdk_atom_intern_static_string (dnd_targets[1].target);
1077 * gtk_tool_palette_new:
1079 * Creates a new tool palette.
1081 * Returns: a new #GtkToolPalette
1086 gtk_tool_palette_new (void)
1088 return g_object_new (GTK_TYPE_TOOL_PALETTE, NULL);
1092 * gtk_tool_palette_set_icon_size:
1093 * @palette: a #GtkToolPalette
1094 * @icon_size: (type int): the #GtkIconSize that icons in the tool
1095 * palette shall have
1097 * Sets the size of icons in the tool palette.
1102 gtk_tool_palette_set_icon_size (GtkToolPalette *palette,
1103 GtkIconSize icon_size)
1105 GtkToolPalettePrivate *priv;
1107 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1108 g_return_if_fail (icon_size != GTK_ICON_SIZE_INVALID);
1110 priv = palette->priv;
1112 if (!priv->icon_size_set)
1114 priv->icon_size_set = TRUE;
1115 g_object_notify (G_OBJECT (palette), "icon-size-set");
1118 if (priv->icon_size == icon_size)
1121 priv->icon_size = icon_size;
1122 g_object_notify (G_OBJECT (palette), "icon-size");
1124 gtk_tool_palette_reconfigured (palette);
1126 gtk_widget_queue_resize (GTK_WIDGET (palette));
1129 static GtkSettings *
1130 toolpalette_get_settings (GtkToolPalette *palette)
1132 GtkToolPalettePrivate *priv = palette->priv;
1133 return priv->settings;
1137 * gtk_tool_palette_unset_icon_size:
1138 * @palette: a #GtkToolPalette
1140 * Unsets the tool palette icon size set with gtk_tool_palette_set_icon_size(),
1141 * so that user preferences will be used to determine the icon size.
1146 gtk_tool_palette_unset_icon_size (GtkToolPalette *palette)
1148 GtkToolPalettePrivate* priv = palette->priv;
1151 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1153 if (palette->priv->icon_size_set)
1155 GtkSettings *settings = toolpalette_get_settings (palette);
1159 g_object_get (settings,
1160 "gtk-toolbar-icon-size", &size,
1164 size = DEFAULT_ICON_SIZE;
1166 if (size != palette->priv->icon_size)
1168 gtk_tool_palette_set_icon_size (palette, size);
1169 g_object_notify (G_OBJECT (palette), "icon-size");
1172 priv->icon_size_set = FALSE;
1173 g_object_notify (G_OBJECT (palette), "icon-size-set");
1177 /* Set the "toolbar-style" property and do appropriate things.
1178 * GtkToolbar does this by emitting a signal instead of just
1179 * calling a function...
1182 gtk_tool_palette_change_style (GtkToolPalette *palette,
1183 GtkToolbarStyle style)
1185 GtkToolPalettePrivate* priv = palette->priv;
1187 if (priv->style != style)
1189 priv->style = style;
1191 gtk_tool_palette_reconfigured (palette);
1193 gtk_widget_queue_resize (GTK_WIDGET (palette));
1194 g_object_notify (G_OBJECT (palette), "toolbar-style");
1200 * gtk_tool_palette_set_style:
1201 * @palette: a #GtkToolPalette
1202 * @style: the #GtkToolbarStyle that items in the tool palette shall have
1204 * Sets the style (text, icons or both) of items in the tool palette.
1209 gtk_tool_palette_set_style (GtkToolPalette *palette,
1210 GtkToolbarStyle style)
1212 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1214 palette->priv->style_set = TRUE;
1215 gtk_tool_palette_change_style (palette, style);
1220 * gtk_tool_palette_unset_style:
1221 * @palette: a #GtkToolPalette
1223 * Unsets a toolbar style set with gtk_tool_palette_set_style(),
1224 * so that user preferences will be used to determine the toolbar style.
1229 gtk_tool_palette_unset_style (GtkToolPalette *palette)
1231 GtkToolPalettePrivate* priv = palette->priv;
1232 GtkToolbarStyle style;
1234 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1236 if (priv->style_set)
1238 GtkSettings *settings = toolpalette_get_settings (palette);
1241 g_object_get (settings,
1242 "gtk-toolbar-style", &style,
1245 style = DEFAULT_TOOLBAR_STYLE;
1247 if (style != priv->style)
1248 gtk_tool_palette_change_style (palette, style);
1250 priv->style_set = FALSE;
1255 * gtk_tool_palette_get_icon_size:
1256 * @palette: a #GtkToolPalette
1258 * Gets the size of icons in the tool palette.
1259 * See gtk_tool_palette_set_icon_size().
1261 * Returns: (type int): the #GtkIconSize of icons in the tool palette
1266 gtk_tool_palette_get_icon_size (GtkToolPalette *palette)
1268 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), DEFAULT_ICON_SIZE);
1270 return palette->priv->icon_size;
1274 * gtk_tool_palette_get_style:
1275 * @palette: a #GtkToolPalette
1277 * Gets the style (icons, text or both) of items in the tool palette.
1279 * Returns: the #GtkToolbarStyle of items in the tool palette.
1284 gtk_tool_palette_get_style (GtkToolPalette *palette)
1286 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), DEFAULT_TOOLBAR_STYLE);
1288 return palette->priv->style;
1292 _gtk_tool_palette_compare_groups (gconstpointer a,
1295 const GtkToolItemGroupInfo *group_a = a;
1296 const GtkToolItemGroupInfo *group_b = b;
1298 return group_a->pos - group_b->pos;
1302 * gtk_tool_palette_set_group_position:
1303 * @palette: a #GtkToolPalette
1304 * @group: a #GtkToolItemGroup which is a child of palette
1305 * @position: a new index for group
1307 * Sets the position of the group as an index of the tool palette.
1308 * If position is 0 the group will become the first child, if position is
1309 * -1 it will become the last child.
1314 gtk_tool_palette_set_group_position (GtkToolPalette *palette,
1315 GtkToolItemGroup *group,
1318 GtkToolItemGroupInfo *group_new;
1319 GtkToolItemGroupInfo *group_old;
1322 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1323 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
1324 g_return_if_fail (position >= -1);
1327 position = palette->priv->groups->len - 1;
1329 g_return_if_fail ((guint) position < palette->priv->groups->len);
1331 group_new = g_ptr_array_index (palette->priv->groups, position);
1333 if (GTK_TOOL_ITEM_GROUP (group) == group_new->widget)
1336 old_position = gtk_tool_palette_get_group_position (palette, group);
1337 g_return_if_fail (old_position >= 0);
1339 group_old = g_ptr_array_index (palette->priv->groups, old_position);
1341 group_new->pos = position;
1342 group_old->pos = old_position;
1344 g_ptr_array_sort (palette->priv->groups, _gtk_tool_palette_compare_groups);
1346 gtk_widget_queue_resize (GTK_WIDGET (palette));
1350 gtk_tool_palette_group_notify_collapsed (GtkToolItemGroup *group,
1354 GtkToolPalette *palette = GTK_TOOL_PALETTE (data);
1357 if (gtk_tool_item_group_get_collapsed (group))
1360 for (i = 0; i < palette->priv->groups->len; ++i)
1362 GtkToolItemGroupInfo *info = g_ptr_array_index (palette->priv->groups, i);
1363 GtkToolItemGroup *current_group = info->widget;
1365 if (current_group && current_group != group)
1366 gtk_tool_item_group_set_collapsed (current_group, TRUE);
1371 * gtk_tool_palette_set_exclusive:
1372 * @palette: a #GtkToolPalette
1373 * @group: a #GtkToolItemGroup which is a child of palette
1374 * @exclusive: whether the group should be exclusive or not
1376 * Sets whether the group should be exclusive or not.
1377 * If an exclusive group is expanded all other groups are collapsed.
1382 gtk_tool_palette_set_exclusive (GtkToolPalette *palette,
1383 GtkToolItemGroup *group,
1386 GtkToolItemGroupInfo *group_info;
1389 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1390 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
1392 position = gtk_tool_palette_get_group_position (palette, group);
1393 g_return_if_fail (position >= 0);
1395 group_info = g_ptr_array_index (palette->priv->groups, position);
1397 if (exclusive == group_info->exclusive)
1400 group_info->exclusive = exclusive;
1402 if (group_info->exclusive != (0 != group_info->notify_collapsed))
1404 if (group_info->exclusive)
1406 group_info->notify_collapsed =
1407 g_signal_connect (group, "notify::collapsed",
1408 G_CALLBACK (gtk_tool_palette_group_notify_collapsed),
1413 g_signal_handler_disconnect (group, group_info->notify_collapsed);
1414 group_info->notify_collapsed = 0;
1418 gtk_tool_palette_group_notify_collapsed (group_info->widget, NULL, palette);
1419 gtk_widget_child_notify (GTK_WIDGET (group), "exclusive");
1423 * gtk_tool_palette_set_expand:
1424 * @palette: a #GtkToolPalette
1425 * @group: a #GtkToolItemGroup which is a child of palette
1426 * @expand: whether the group should be given extra space
1428 * Sets whether the group should be given extra space.
1433 gtk_tool_palette_set_expand (GtkToolPalette *palette,
1434 GtkToolItemGroup *group,
1437 GtkToolItemGroupInfo *group_info;
1440 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1441 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
1443 position = gtk_tool_palette_get_group_position (palette, group);
1444 g_return_if_fail (position >= 0);
1446 group_info = g_ptr_array_index (palette->priv->groups, position);
1448 if (expand != group_info->expand)
1450 group_info->expand = expand;
1451 gtk_widget_queue_resize (GTK_WIDGET (palette));
1452 gtk_widget_child_notify (GTK_WIDGET (group), "expand");
1457 * gtk_tool_palette_get_group_position:
1458 * @palette: a #GtkToolPalette
1459 * @group: a #GtkToolItemGroup
1461 * Gets the position of @group in @palette as index.
1462 * See gtk_tool_palette_set_group_position().
1464 * Returns: the index of group or -1 if @group is not a child of @palette
1469 gtk_tool_palette_get_group_position (GtkToolPalette *palette,
1470 GtkToolItemGroup *group)
1474 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), -1);
1475 g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), -1);
1477 for (i = 0; i < palette->priv->groups->len; ++i)
1479 GtkToolItemGroupInfo *info = g_ptr_array_index (palette->priv->groups, i);
1480 if ((gpointer) group == info->widget)
1488 * gtk_tool_palette_get_exclusive:
1489 * @palette: a #GtkToolPalette
1490 * @group: a #GtkToolItemGroup which is a child of palette
1492 * Gets whether @group is exclusive or not.
1493 * See gtk_tool_palette_set_exclusive().
1495 * Returns: %TRUE if @group is exclusive
1500 gtk_tool_palette_get_exclusive (GtkToolPalette *palette,
1501 GtkToolItemGroup *group)
1504 GtkToolItemGroupInfo *info;
1506 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), DEFAULT_CHILD_EXCLUSIVE);
1507 g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), DEFAULT_CHILD_EXCLUSIVE);
1509 position = gtk_tool_palette_get_group_position (palette, group);
1510 g_return_val_if_fail (position >= 0, DEFAULT_CHILD_EXCLUSIVE);
1512 info = g_ptr_array_index (palette->priv->groups, position);
1514 return info->exclusive;
1518 * gtk_tool_palette_get_expand:
1519 * @palette: a #GtkToolPalette
1520 * @group: a #GtkToolItemGroup which is a child of palette
1522 * Gets whether group should be given extra space.
1523 * See gtk_tool_palette_set_expand().
1525 * Returns: %TRUE if group should be given extra space, %FALSE otherwise
1530 gtk_tool_palette_get_expand (GtkToolPalette *palette,
1531 GtkToolItemGroup *group)
1534 GtkToolItemGroupInfo *info;
1536 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), DEFAULT_CHILD_EXPAND);
1537 g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), DEFAULT_CHILD_EXPAND);
1539 position = gtk_tool_palette_get_group_position (palette, group);
1540 g_return_val_if_fail (position >= 0, DEFAULT_CHILD_EXPAND);
1542 info = g_ptr_array_index (palette->priv->groups, position);
1544 return info->expand;
1548 * gtk_tool_palette_get_drop_item:
1549 * @palette: a #GtkToolPalette
1550 * @x: the x position
1551 * @y: the y position
1553 * Gets the item at position (x, y).
1554 * See gtk_tool_palette_get_drop_group().
1556 * Returns: (transfer none): the #GtkToolItem at position or %NULL if there is no such item
1561 gtk_tool_palette_get_drop_item (GtkToolPalette *palette,
1565 GtkAllocation allocation;
1566 GtkToolItemGroup *group = gtk_tool_palette_get_drop_group (palette, x, y);
1567 GtkWidget *widget = GTK_WIDGET (group);
1571 gtk_widget_get_allocation (widget, &allocation);
1572 return gtk_tool_item_group_get_drop_item (group,
1581 * gtk_tool_palette_get_drop_group:
1582 * @palette: a #GtkToolPalette
1583 * @x: the x position
1584 * @y: the y position
1586 * Gets the group at position (x, y).
1588 * Returns: (transfer none): the #GtkToolItemGroup at position or %NULL
1589 * if there is no such group
1594 gtk_tool_palette_get_drop_group (GtkToolPalette *palette,
1598 GtkAllocation allocation;
1601 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), NULL);
1603 gtk_widget_get_allocation (GTK_WIDGET (palette), &allocation);
1605 g_return_val_if_fail (x >= 0 && x < allocation.width, NULL);
1606 g_return_val_if_fail (y >= 0 && y < allocation.height, NULL);
1608 for (i = 0; i < palette->priv->groups->len; ++i)
1610 GtkToolItemGroupInfo *group = g_ptr_array_index (palette->priv->groups, i);
1617 widget = GTK_WIDGET (group->widget);
1618 gtk_widget_get_allocation (widget, &allocation);
1620 x0 = x - allocation.x;
1621 y0 = y - allocation.y;
1623 if (x0 >= 0 && x0 < allocation.width &&
1624 y0 >= 0 && y0 < allocation.height)
1625 return GTK_TOOL_ITEM_GROUP (widget);
1632 * gtk_tool_palette_get_drag_item:
1633 * @palette: a #GtkToolPalette
1634 * @selection: a #GtkSelectionData
1636 * Get the dragged item from the selection.
1637 * This could be a #GtkToolItem or a #GtkToolItemGroup.
1639 * Returns: (transfer none): the dragged item in selection
1644 gtk_tool_palette_get_drag_item (GtkToolPalette *palette,
1645 const GtkSelectionData *selection)
1647 GtkToolPaletteDragData *data;
1649 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), NULL);
1650 g_return_val_if_fail (NULL != selection, NULL);
1652 g_return_val_if_fail (selection->format == 8, NULL);
1653 g_return_val_if_fail (selection->length == sizeof (GtkToolPaletteDragData), NULL);
1654 g_return_val_if_fail (selection->target == dnd_target_atom_item ||
1655 selection->target == dnd_target_atom_group,
1658 data = (GtkToolPaletteDragData*) selection->data;
1660 g_return_val_if_fail (data->palette == palette, NULL);
1662 if (dnd_target_atom_item == selection->target)
1663 g_return_val_if_fail (GTK_IS_TOOL_ITEM (data->item), NULL);
1664 else if (dnd_target_atom_group == selection->target)
1665 g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (data->item), NULL);
1671 * gtk_tool_palette_set_drag_source:
1672 * @palette: a #GtkToolPalette
1673 * @targets: the #GtkToolPaletteDragTarget<!-- -->s
1674 * which the widget should support
1676 * Sets the tool palette as a drag source.
1677 * Enables all groups and items in the tool palette as drag sources
1678 * on button 1 and button 3 press with copy and move actions.
1679 * See gtk_drag_source_set().
1684 gtk_tool_palette_set_drag_source (GtkToolPalette *palette,
1685 GtkToolPaletteDragTargets targets)
1689 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1691 if ((palette->priv->drag_source & targets) == targets)
1694 palette->priv->drag_source |= targets;
1696 for (i = 0; i < palette->priv->groups->len; ++i)
1698 GtkToolItemGroupInfo *info = g_ptr_array_index (palette->priv->groups, i);
1700 gtk_container_forall (GTK_CONTAINER (info->widget),
1701 _gtk_tool_palette_child_set_drag_source,
1707 * gtk_tool_palette_add_drag_dest:
1708 * @palette: a #GtkToolPalette
1709 * @widget: a #GtkWidget which should be a drag destination for @palette
1710 * @flags: the flags that specify what actions GTK+ should take for drops
1712 * @targets: the #GtkToolPaletteDragTarget<!-- -->s which the widget
1714 * @actions: the #GdkDragAction<!-- -->s which the widget should suppport
1716 * Sets @palette as drag source (see gtk_tool_palette_set_drag_source())
1717 * and sets @widget as a drag destination for drags from @palette.
1718 * See gtk_drag_dest_set().
1723 gtk_tool_palette_add_drag_dest (GtkToolPalette *palette,
1725 GtkDestDefaults flags,
1726 GtkToolPaletteDragTargets targets,
1727 GdkDragAction actions)
1729 GtkTargetEntry entries[G_N_ELEMENTS (dnd_targets)];
1732 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1733 g_return_if_fail (GTK_IS_WIDGET (widget));
1735 gtk_tool_palette_set_drag_source (palette,
1738 if (targets & GTK_TOOL_PALETTE_DRAG_ITEMS)
1739 entries[n_entries++] = dnd_targets[0];
1740 if (targets & GTK_TOOL_PALETTE_DRAG_GROUPS)
1741 entries[n_entries++] = dnd_targets[1];
1743 gtk_drag_dest_set (widget, flags, entries, n_entries, actions);
1747 _gtk_tool_palette_get_item_size (GtkToolPalette *palette,
1748 GtkRequisition *item_size,
1749 gboolean homogeneous_only,
1750 gint *requested_rows)
1752 GtkRequisition max_requisition;
1756 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1757 g_return_if_fail (NULL != item_size);
1759 max_requisition.width = 0;
1760 max_requisition.height = 0;
1763 /* iterate over all groups and calculate the max item_size and max row request */
1764 for (i = 0; i < palette->priv->groups->len; ++i)
1766 GtkRequisition requisition;
1768 GtkToolItemGroupInfo *group = g_ptr_array_index (palette->priv->groups, i);
1773 _gtk_tool_item_group_item_size_request (group->widget, &requisition, homogeneous_only, &rows);
1775 max_requisition.width = MAX (max_requisition.width, requisition.width);
1776 max_requisition.height = MAX (max_requisition.height, requisition.height);
1777 max_rows = MAX (max_rows, rows);
1780 *item_size = max_requisition;
1782 *requested_rows = max_rows;
1786 gtk_tool_palette_item_drag_data_get (GtkWidget *widget,
1787 GdkDragContext *context,
1788 GtkSelectionData *selection,
1793 GtkToolPaletteDragData drag_data = { GTK_TOOL_PALETTE (data), NULL };
1795 if (selection->target == dnd_target_atom_item)
1796 drag_data.item = gtk_widget_get_ancestor (widget, GTK_TYPE_TOOL_ITEM);
1799 gtk_selection_data_set (selection, selection->target, 8,
1800 (guchar*) &drag_data, sizeof (drag_data));
1804 gtk_tool_palette_child_drag_data_get (GtkWidget *widget,
1805 GdkDragContext *context,
1806 GtkSelectionData *selection,
1811 GtkToolPaletteDragData drag_data = { GTK_TOOL_PALETTE (data), NULL };
1813 if (selection->target == dnd_target_atom_group)
1814 drag_data.item = gtk_widget_get_ancestor (widget, GTK_TYPE_TOOL_ITEM_GROUP);
1817 gtk_selection_data_set (selection, selection->target, 8,
1818 (guchar*) &drag_data, sizeof (drag_data));
1822 _gtk_tool_palette_child_set_drag_source (GtkWidget *child,
1825 GtkToolPalette *palette = GTK_TOOL_PALETTE (data);
1827 /* Check drag_source,
1828 * to work properly when called from gtk_tool_item_group_insert().
1830 if (!palette->priv->drag_source)
1833 if (GTK_IS_TOOL_ITEM (child) &&
1834 (palette->priv->drag_source & GTK_TOOL_PALETTE_DRAG_ITEMS))
1836 /* Connect to child instead of the item itself,
1837 * to work arround bug 510377.
1839 if (GTK_IS_TOOL_BUTTON (child))
1840 child = gtk_bin_get_child (GTK_BIN (child));
1845 gtk_drag_source_set (child, GDK_BUTTON1_MASK | GDK_BUTTON3_MASK,
1846 &dnd_targets[0], 1, GDK_ACTION_COPY | GDK_ACTION_MOVE);
1848 g_signal_connect (child, "drag-data-get",
1849 G_CALLBACK (gtk_tool_palette_item_drag_data_get),
1852 else if (GTK_IS_BUTTON (child) &&
1853 (palette->priv->drag_source & GTK_TOOL_PALETTE_DRAG_GROUPS))
1855 gtk_drag_source_set (child, GDK_BUTTON1_MASK | GDK_BUTTON3_MASK,
1856 &dnd_targets[1], 1, GDK_ACTION_COPY | GDK_ACTION_MOVE);
1858 g_signal_connect (child, "drag-data-get",
1859 G_CALLBACK (gtk_tool_palette_child_drag_data_get),
1865 * gtk_tool_palette_get_drag_target_item:
1867 * Gets the target entry for a dragged #GtkToolItem.
1869 * Returns: (transfer none): the #GtkTargetEntry for a dragged item.
1873 G_CONST_RETURN GtkTargetEntry*
1874 gtk_tool_palette_get_drag_target_item (void)
1876 return &dnd_targets[0];
1880 * gtk_tool_palette_get_drag_target_group:
1882 * Get the target entry for a dragged #GtkToolItemGroup.
1884 * Returns: (transfer none): the #GtkTargetEntry for a dragged group
1888 G_CONST_RETURN GtkTargetEntry*
1889 gtk_tool_palette_get_drag_target_group (void)
1891 return &dnd_targets[1];
1895 _gtk_tool_palette_set_expanding_child (GtkToolPalette *palette,
1898 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1899 palette->priv->expanding_child = widget;
1903 * gtk_tool_palette_get_hadjustment:
1904 * @palette: a #GtkToolPalette
1906 * Gets the horizontal adjustment of the tool palette.
1908 * Returns: (transfer none): the horizontal adjustment of @palette
1913 gtk_tool_palette_get_hadjustment (GtkToolPalette *palette)
1915 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), NULL);
1917 return palette->priv->hadjustment;
1921 * gtk_tool_palette_get_vadjustment:
1922 * @palette: a #GtkToolPalette
1924 * Gets the vertical adjustment of the tool palette.
1926 * Returns: (transfer none): the vertical adjustment of @palette
1931 gtk_tool_palette_get_vadjustment (GtkToolPalette *palette)
1933 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), NULL);
1935 return palette->priv->vadjustment;
1939 _gtk_tool_palette_get_size_group (GtkToolPalette *palette)
1941 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), NULL);
1943 return palette->priv->text_size_group;