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, see <http://www.gnu.org/licenses/>.
26 #include "gtktoolpaletteprivate.h"
27 #include "gtkmarshalers.h"
28 #include "gtktypebuiltins.h"
29 #include "gtkprivate.h"
30 #include "gtkscrollable.h"
31 #include "gtkorientableprivate.h"
34 #define DEFAULT_ICON_SIZE GTK_ICON_SIZE_SMALL_TOOLBAR
35 #define DEFAULT_ORIENTATION GTK_ORIENTATION_VERTICAL
36 #define DEFAULT_TOOLBAR_STYLE GTK_TOOLBAR_ICONS
38 #define DEFAULT_CHILD_EXCLUSIVE FALSE
39 #define DEFAULT_CHILD_EXPAND FALSE
42 * SECTION:gtktoolpalette
43 * @Short_description: A tool palette with categories
44 * @Title: GtkToolPalette
46 * A #GtkToolPalette allows you to add #GtkToolItem<!-- -->s to a palette-like
47 * container with different categories and drag and drop support.
49 * A #GtkToolPalette is created with a call to gtk_tool_palette_new().
51 * #GtkToolItem<!-- -->s cannot be added directly to a #GtkToolPalette -
52 * instead they are added to a #GtkToolItemGroup which can than be added
53 * to a #GtkToolPalette. To add a #GtkToolItemGroup to a #GtkToolPalette,
54 * use gtk_container_add().
57 * GtkWidget *palette, *group;
60 * palette = gtk_tool_palette_new ();
61 * group = gtk_tool_item_group_new (_("Test Category"));
62 * gtk_container_add (GTK_CONTAINER (palette), group);
64 * item = gtk_tool_button_new_from_stock (GTK_STOCK_OK);
65 * gtk_tool_item_group_insert (GTK_TOOL_ITEM_GROUP (group), item, -1);
68 * The easiest way to use drag and drop with #GtkToolPalette is to call
69 * gtk_tool_palette_add_drag_dest() with the desired drag source @palette
70 * and the desired drag target @widget. Then gtk_tool_palette_get_drag_item()
71 * can be used to get the dragged item in the #GtkWidget::drag-data-received
72 * signal handler of the drag target.
76 * passive_canvas_drag_data_received (GtkWidget *widget,
77 * GdkDragContext *context,
80 * GtkSelectionData *selection,
88 * /<!-- -->* Get the dragged item *<!-- -->/
89 * palette = gtk_widget_get_ancestor (gtk_drag_get_source_widget (context),
90 * GTK_TYPE_TOOL_PALETTE);
91 * if (palette != NULL)
92 * item = gtk_tool_palette_get_drag_item (GTK_TOOL_PALETTE (palette),
95 * /<!-- -->* Do something with item *<!-- -->/
98 * GtkWidget *target, palette;
100 * palette = gtk_tool_palette_new ();
101 * target = gtk_drawing_area_new ();
103 * g_signal_connect (G_OBJECT (target), "drag-data-received",
104 * G_CALLBACK (passive_canvas_drag_data_received), NULL);
105 * gtk_tool_palette_add_drag_dest (GTK_TOOL_PALETTE (palette), target,
106 * GTK_DEST_DEFAULT_ALL,
107 * GTK_TOOL_PALETTE_DRAG_ITEMS,
114 typedef struct _GtkToolItemGroupInfo GtkToolItemGroupInfo;
115 typedef struct _GtkToolPaletteDragData GtkToolPaletteDragData;
133 CHILD_PROP_EXCLUSIVE,
137 struct _GtkToolItemGroupInfo
139 GtkToolItemGroup *widget;
141 gulong notify_collapsed;
147 struct _GtkToolPalettePrivate
151 GtkAdjustment *hadjustment;
152 GtkAdjustment *vadjustment;
154 GtkIconSize icon_size;
155 gboolean icon_size_set;
156 GtkOrientation orientation;
157 GtkToolbarStyle style;
160 GtkWidget *expanding_child;
162 GtkSizeGroup *text_size_group;
164 GtkSettings *settings;
165 gulong settings_connection;
167 guint drag_source : 2;
169 /* GtkScrollablePolicy needs to be checked when
170 * driving the scrollable adjustment values */
171 guint hscroll_policy : 1;
172 guint vscroll_policy : 1;
175 struct _GtkToolPaletteDragData
177 GtkToolPalette *palette;
181 static GdkAtom dnd_target_atom_item = GDK_NONE;
182 static GdkAtom dnd_target_atom_group = GDK_NONE;
184 static const GtkTargetEntry dnd_targets[] =
186 { "application/x-gtk-tool-palette-item", GTK_TARGET_SAME_APP, 0 },
187 { "application/x-gtk-tool-palette-group", GTK_TARGET_SAME_APP, 0 },
190 static void gtk_tool_palette_set_hadjustment (GtkToolPalette *palette,
191 GtkAdjustment *adjustment);
192 static void gtk_tool_palette_set_vadjustment (GtkToolPalette *palette,
193 GtkAdjustment *adjustment);
196 G_DEFINE_TYPE_WITH_CODE (GtkToolPalette,
199 G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE, NULL)
200 G_IMPLEMENT_INTERFACE (GTK_TYPE_SCROLLABLE, NULL))
203 gtk_tool_palette_init (GtkToolPalette *palette)
205 palette->priv = G_TYPE_INSTANCE_GET_PRIVATE (palette,
206 GTK_TYPE_TOOL_PALETTE,
207 GtkToolPalettePrivate);
209 palette->priv->groups = g_ptr_array_sized_new (4);
210 g_ptr_array_set_free_func (palette->priv->groups, g_free);
212 palette->priv->icon_size = DEFAULT_ICON_SIZE;
213 palette->priv->icon_size_set = FALSE;
214 palette->priv->orientation = DEFAULT_ORIENTATION;
215 palette->priv->style = DEFAULT_TOOLBAR_STYLE;
216 palette->priv->style_set = FALSE;
218 palette->priv->text_size_group = gtk_size_group_new (GTK_SIZE_GROUP_BOTH);
222 gtk_tool_palette_reconfigured (GtkToolPalette *palette)
226 for (i = 0; i < palette->priv->groups->len; ++i)
228 GtkToolItemGroupInfo *info = g_ptr_array_index (palette->priv->groups, i);
230 _gtk_tool_item_group_palette_reconfigured (info->widget);
233 gtk_widget_queue_resize_no_redraw (GTK_WIDGET (palette));
237 gtk_tool_palette_set_property (GObject *object,
242 GtkToolPalette *palette = GTK_TOOL_PALETTE (object);
247 if ((guint) g_value_get_enum (value) != palette->priv->icon_size)
249 palette->priv->icon_size = g_value_get_enum (value);
250 gtk_tool_palette_reconfigured (palette);
254 case PROP_ICON_SIZE_SET:
255 if ((guint) g_value_get_enum (value) != palette->priv->icon_size)
257 palette->priv->icon_size_set = g_value_get_enum (value);
258 gtk_tool_palette_reconfigured (palette);
262 case PROP_ORIENTATION:
263 if ((guint) g_value_get_enum (value) != palette->priv->orientation)
265 palette->priv->orientation = g_value_get_enum (value);
266 _gtk_orientable_set_style_classes (GTK_ORIENTABLE (palette));
267 gtk_tool_palette_reconfigured (palette);
271 case PROP_TOOLBAR_STYLE:
272 if ((guint) g_value_get_enum (value) != palette->priv->style)
274 palette->priv->style = g_value_get_enum (value);
275 gtk_tool_palette_reconfigured (palette);
279 case PROP_HADJUSTMENT:
280 gtk_tool_palette_set_hadjustment (palette, g_value_get_object (value));
283 case PROP_VADJUSTMENT:
284 gtk_tool_palette_set_vadjustment (palette, g_value_get_object (value));
287 case PROP_HSCROLL_POLICY:
288 palette->priv->hscroll_policy = g_value_get_enum (value);
289 gtk_widget_queue_resize (GTK_WIDGET (palette));
292 case PROP_VSCROLL_POLICY:
293 palette->priv->vscroll_policy = g_value_get_enum (value);
294 gtk_widget_queue_resize (GTK_WIDGET (palette));
298 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
304 gtk_tool_palette_get_property (GObject *object,
309 GtkToolPalette *palette = GTK_TOOL_PALETTE (object);
314 g_value_set_enum (value, gtk_tool_palette_get_icon_size (palette));
317 case PROP_ICON_SIZE_SET:
318 g_value_set_boolean (value, palette->priv->icon_size_set);
321 case PROP_ORIENTATION:
322 g_value_set_enum (value, palette->priv->orientation);
325 case PROP_TOOLBAR_STYLE:
326 g_value_set_enum (value, gtk_tool_palette_get_style (palette));
329 case PROP_HADJUSTMENT:
330 g_value_set_object (value, palette->priv->hadjustment);
333 case PROP_VADJUSTMENT:
334 g_value_set_object (value, palette->priv->vadjustment);
337 case PROP_HSCROLL_POLICY:
338 g_value_set_enum (value, palette->priv->hscroll_policy);
341 case PROP_VSCROLL_POLICY:
342 g_value_set_enum (value, palette->priv->vscroll_policy);
346 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
352 gtk_tool_palette_dispose (GObject *object)
354 GtkToolPalette *palette = GTK_TOOL_PALETTE (object);
357 if (palette->priv->hadjustment)
359 g_object_unref (palette->priv->hadjustment);
360 palette->priv->hadjustment = NULL;
363 if (palette->priv->vadjustment)
365 g_object_unref (palette->priv->vadjustment);
366 palette->priv->vadjustment = NULL;
369 for (i = 0; i < palette->priv->groups->len; ++i)
371 GtkToolItemGroupInfo *group = g_ptr_array_index (palette->priv->groups, i);
373 if (group->notify_collapsed)
375 g_signal_handler_disconnect (group->widget, group->notify_collapsed);
376 group->notify_collapsed = 0;
380 if (palette->priv->text_size_group)
382 g_object_unref (palette->priv->text_size_group);
383 palette->priv->text_size_group = NULL;
386 if (palette->priv->settings_connection > 0)
388 g_signal_handler_disconnect (palette->priv->settings, palette->priv->settings_connection);
389 palette->priv->settings_connection = 0;
392 g_clear_object (&palette->priv->settings);
394 G_OBJECT_CLASS (gtk_tool_palette_parent_class)->dispose (object);
398 gtk_tool_palette_finalize (GObject *object)
400 GtkToolPalette *palette = GTK_TOOL_PALETTE (object);
402 g_ptr_array_free (palette->priv->groups, TRUE);
404 G_OBJECT_CLASS (gtk_tool_palette_parent_class)->finalize (object);
408 gtk_tool_palette_size_request (GtkWidget *widget,
409 GtkRequisition *requisition)
411 GtkToolPalette *palette = GTK_TOOL_PALETTE (widget);
412 GtkRequisition child_requisition;
416 border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
418 requisition->width = 0;
419 requisition->height = 0;
421 for (i = 0; i < palette->priv->groups->len; ++i)
423 GtkToolItemGroupInfo *group = g_ptr_array_index (palette->priv->groups, i);
428 gtk_widget_get_preferred_size (GTK_WIDGET (group->widget),
429 &child_requisition, NULL);
431 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
433 requisition->width = MAX (requisition->width, child_requisition.width);
434 requisition->height += child_requisition.height;
438 requisition->width += child_requisition.width;
439 requisition->height = MAX (requisition->height, child_requisition.height);
443 requisition->width += border_width * 2;
444 requisition->height += border_width * 2;
448 gtk_tool_palette_get_preferred_width (GtkWidget *widget,
452 GtkRequisition requisition;
454 gtk_tool_palette_size_request (widget, &requisition);
456 *minimum = *natural = requisition.width;
460 gtk_tool_palette_get_preferred_height (GtkWidget *widget,
464 GtkRequisition requisition;
466 gtk_tool_palette_size_request (widget, &requisition);
468 *minimum = *natural = requisition.height;
473 gtk_tool_palette_size_allocate (GtkWidget *widget,
474 GtkAllocation *allocation)
476 GtkToolPalette *palette = GTK_TOOL_PALETTE (widget);
477 GtkAdjustment *adjustment = NULL;
478 GtkAllocation child_allocation;
480 gint n_expand_groups = 0;
481 gint remaining_space = 0;
482 gint expand_space = 0;
484 gint total_size, page_size;
489 gint min_offset = -1, max_offset = -1;
493 gint *group_sizes = g_newa (gint, palette->priv->groups->len);
494 GtkTextDirection direction;
496 border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
497 direction = gtk_widget_get_direction (widget);
499 GTK_WIDGET_CLASS (gtk_tool_palette_parent_class)->size_allocate (widget, allocation);
501 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
503 adjustment = palette->priv->vadjustment;
504 page_size = allocation->height;
508 adjustment = palette->priv->hadjustment;
509 page_size = allocation->width;
513 offset = gtk_adjustment_get_value (adjustment);
514 if (GTK_ORIENTATION_HORIZONTAL == palette->priv->orientation &&
515 GTK_TEXT_DIR_RTL == direction)
518 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
519 child_allocation.width = allocation->width - border_width * 2;
521 child_allocation.height = allocation->height - border_width * 2;
523 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
524 remaining_space = allocation->height;
526 remaining_space = allocation->width;
528 /* figure out the required size of all groups to be able to distribute the
529 * remaining space on allocation
531 for (i = 0; i < palette->priv->groups->len; ++i)
533 GtkToolItemGroupInfo *group = g_ptr_array_index (palette->priv->groups, i);
541 widget = GTK_WIDGET (group->widget);
543 if (gtk_tool_item_group_get_n_items (group->widget))
545 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
546 size = _gtk_tool_item_group_get_height_for_width (group->widget, child_allocation.width);
548 size = _gtk_tool_item_group_get_width_for_height (group->widget, child_allocation.height);
550 if (group->expand && !gtk_tool_item_group_get_collapsed (group->widget))
551 n_expand_groups += 1;
556 remaining_space -= size;
557 group_sizes[i] = size;
559 /* if the widget is currently expanding an offset which allows to
560 * display as much of the widget as possible is calculated
562 if (widget == palette->priv->expanding_child)
565 GTK_ORIENTATION_VERTICAL == palette->priv->orientation ?
566 child_allocation.width : child_allocation.height;
573 for (j = 0; j < i; ++j)
574 min_offset += group_sizes[j];
576 max_offset = min_offset + group_sizes[i];
578 real_size = _gtk_tool_item_group_get_size_for_limit
579 (GTK_TOOL_ITEM_GROUP (widget), limit,
580 GTK_ORIENTATION_VERTICAL == palette->priv->orientation,
583 if (size == real_size)
584 palette->priv->expanding_child = NULL;
588 if (n_expand_groups > 0)
590 remaining_space = MAX (0, remaining_space);
591 expand_space = remaining_space / n_expand_groups;
594 if (max_offset != -1)
597 GTK_ORIENTATION_VERTICAL == palette->priv->orientation ?
598 allocation->height : allocation->width;
600 offset = MIN (MAX (offset, max_offset - limit), min_offset);
603 if (remaining_space > 0)
607 child_allocation.y = border_width;
609 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
610 child_allocation.y -= offset;
614 /* allocate all groups at the calculated positions */
615 for (i = 0; i < palette->priv->groups->len; ++i)
617 GtkToolItemGroupInfo *group = g_ptr_array_index (palette->priv->groups, i);
623 widget = GTK_WIDGET (group->widget);
625 if (gtk_tool_item_group_get_n_items (group->widget))
627 gint size = group_sizes[i];
629 if (group->expand && !gtk_tool_item_group_get_collapsed (group->widget))
631 size += MIN (expand_space, remaining_space);
632 remaining_space -= expand_space;
635 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
636 child_allocation.height = size;
638 child_allocation.width = size;
640 if (GTK_ORIENTATION_HORIZONTAL == palette->priv->orientation &&
641 GTK_TEXT_DIR_RTL == direction)
642 child_allocation.x = allocation->width - x - child_allocation.width;
644 child_allocation.x = x;
646 gtk_widget_size_allocate (widget, &child_allocation);
647 gtk_widget_show (widget);
649 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
650 child_allocation.y += child_allocation.height;
652 x += child_allocation.width;
655 gtk_widget_hide (widget);
658 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation)
660 child_allocation.y += border_width;
661 child_allocation.y += offset;
663 total_size = child_allocation.y;
673 /* update the scrollbar to match the displayed adjustment */
676 gdouble lower, upper;
678 total_size = MAX (0, total_size);
679 page_size = MIN (total_size, page_size);
681 if (GTK_ORIENTATION_VERTICAL == palette->priv->orientation ||
682 GTK_TEXT_DIR_LTR == direction)
689 lower = page_size - total_size;
695 gtk_adjustment_configure (adjustment,
706 gtk_tool_palette_realize (GtkWidget *widget)
708 GtkAllocation allocation;
710 GdkWindowAttr attributes;
711 gint attributes_mask;
714 gtk_widget_set_realized (widget, TRUE);
716 border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
718 gtk_widget_get_allocation (widget, &allocation);
720 attributes.window_type = GDK_WINDOW_CHILD;
721 attributes.x = allocation.x + border_width;
722 attributes.y = allocation.y + border_width;
723 attributes.width = allocation.width - border_width * 2;
724 attributes.height = allocation.height - border_width * 2;
725 attributes.wclass = GDK_INPUT_OUTPUT;
726 attributes.visual = gtk_widget_get_visual (widget);
727 attributes.event_mask = gtk_widget_get_events (widget)
728 | GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK
729 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
730 | GDK_BUTTON_MOTION_MASK
731 | GDK_SCROLL_MASK | GDK_SMOOTH_SCROLL_MASK
733 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
735 window = gdk_window_new (gtk_widget_get_parent_window (widget),
736 &attributes, attributes_mask);
737 gtk_widget_set_window (widget, window);
738 gtk_widget_register_window (widget, window);
740 gtk_style_context_set_background (gtk_widget_get_style_context (widget),
743 gtk_container_forall (GTK_CONTAINER (widget),
744 (GtkCallback) gtk_widget_set_parent_window,
747 gtk_widget_queue_resize_no_redraw (widget);
751 gtk_tool_palette_adjustment_value_changed (GtkAdjustment *adjustment,
754 GtkAllocation allocation;
755 GtkWidget *widget = GTK_WIDGET (data);
757 gtk_widget_get_allocation (widget, &allocation);
758 gtk_tool_palette_size_allocate (widget, &allocation);
762 gtk_tool_palette_add (GtkContainer *container,
765 GtkToolPalette *palette;
766 GtkToolItemGroupInfo *info = g_new0(GtkToolItemGroupInfo, 1);
768 g_return_if_fail (GTK_IS_TOOL_PALETTE (container));
769 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (child));
771 palette = GTK_TOOL_PALETTE (container);
773 g_ptr_array_add (palette->priv->groups, info);
774 info->pos = palette->priv->groups->len - 1;
775 info->widget = g_object_ref_sink (child);
777 gtk_widget_set_parent (child, GTK_WIDGET (palette));
781 gtk_tool_palette_remove (GtkContainer *container,
784 GtkToolPalette *palette;
787 g_return_if_fail (GTK_IS_TOOL_PALETTE (container));
788 palette = GTK_TOOL_PALETTE (container);
790 for (i = 0; i < palette->priv->groups->len; ++i)
792 GtkToolItemGroupInfo *info = g_ptr_array_index (palette->priv->groups, i);
793 if (GTK_WIDGET(info->widget) == child)
795 g_object_unref (child);
796 gtk_widget_unparent (child);
798 g_ptr_array_remove_index (palette->priv->groups, i);
804 gtk_tool_palette_forall (GtkContainer *container,
806 GtkCallback callback,
807 gpointer callback_data)
809 GtkToolPalette *palette = GTK_TOOL_PALETTE (container);
812 for (i = 0; i < palette->priv->groups->len; ++i)
814 GtkToolItemGroupInfo *info = g_ptr_array_index (palette->priv->groups, i);
816 len = palette->priv->groups->len;
819 callback (GTK_WIDGET (info->widget),
822 /* At destroy time, 'callback' results in removing a widget,
823 * here we just reset the current index to account for the removed widget. */
824 i -= (len - palette->priv->groups->len);
829 gtk_tool_palette_child_type (GtkContainer *container)
831 return GTK_TYPE_TOOL_ITEM_GROUP;
835 gtk_tool_palette_set_child_property (GtkContainer *container,
841 GtkToolPalette *palette = GTK_TOOL_PALETTE (container);
845 case CHILD_PROP_EXCLUSIVE:
846 gtk_tool_palette_set_exclusive (palette, GTK_TOOL_ITEM_GROUP (child),
847 g_value_get_boolean (value));
850 case CHILD_PROP_EXPAND:
851 gtk_tool_palette_set_expand (palette, GTK_TOOL_ITEM_GROUP (child),
852 g_value_get_boolean (value));
856 GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, prop_id, pspec);
862 gtk_tool_palette_get_child_property (GtkContainer *container,
868 GtkToolPalette *palette = GTK_TOOL_PALETTE (container);
872 case CHILD_PROP_EXCLUSIVE:
873 g_value_set_boolean (value,
874 gtk_tool_palette_get_exclusive (palette, GTK_TOOL_ITEM_GROUP (child)));
877 case CHILD_PROP_EXPAND:
878 g_value_set_boolean (value,
879 gtk_tool_palette_get_expand (palette, GTK_TOOL_ITEM_GROUP (child)));
883 GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, prop_id, pspec);
889 style_change_notify (GtkToolPalette *palette)
891 GtkToolPalettePrivate* priv = palette->priv;
893 if (!priv->style_set)
895 /* pretend it was set, then unset, thus reverting to new default */
896 priv->style_set = TRUE;
897 gtk_tool_palette_unset_style (palette);
902 icon_size_change_notify (GtkToolPalette *palette)
904 GtkToolPalettePrivate* priv = palette->priv;
906 if (!priv->icon_size_set)
908 /* pretend it was set, then unset, thus reverting to new default */
909 priv->icon_size_set = TRUE;
910 gtk_tool_palette_unset_icon_size (palette);
915 gtk_tool_palette_settings_change_notify (GtkSettings *settings,
916 const GParamSpec *pspec,
917 GtkToolPalette *palette)
919 if (strcmp (pspec->name, "gtk-toolbar-style") == 0)
920 style_change_notify (palette);
921 else if (strcmp (pspec->name, "gtk-toolbar-icon-size") == 0)
922 icon_size_change_notify (palette);
926 gtk_tool_palette_screen_changed (GtkWidget *widget,
927 GdkScreen *previous_screen)
929 GtkToolPalette *palette = GTK_TOOL_PALETTE (widget);
930 GtkToolPalettePrivate* priv = palette->priv;
931 GtkSettings *old_settings = priv->settings;
932 GtkSettings *settings;
934 if (gtk_widget_has_screen (GTK_WIDGET (palette)))
935 settings = gtk_widget_get_settings (GTK_WIDGET (palette));
939 if (settings == old_settings)
944 g_signal_handler_disconnect (old_settings, priv->settings_connection);
945 priv->settings_connection = 0;
946 g_object_unref (old_settings);
951 priv->settings_connection =
952 g_signal_connect (settings, "notify",
953 G_CALLBACK (gtk_tool_palette_settings_change_notify),
955 priv->settings = g_object_ref (settings);
958 priv->settings = NULL;
960 gtk_tool_palette_reconfigured (palette);
965 gtk_tool_palette_class_init (GtkToolPaletteClass *cls)
967 GObjectClass *oclass = G_OBJECT_CLASS (cls);
968 GtkWidgetClass *wclass = GTK_WIDGET_CLASS (cls);
969 GtkContainerClass *cclass = GTK_CONTAINER_CLASS (cls);
971 oclass->set_property = gtk_tool_palette_set_property;
972 oclass->get_property = gtk_tool_palette_get_property;
973 oclass->dispose = gtk_tool_palette_dispose;
974 oclass->finalize = gtk_tool_palette_finalize;
976 wclass->get_preferred_width = gtk_tool_palette_get_preferred_width;
977 wclass->get_preferred_height= gtk_tool_palette_get_preferred_height;
978 wclass->size_allocate = gtk_tool_palette_size_allocate;
979 wclass->realize = gtk_tool_palette_realize;
981 cclass->add = gtk_tool_palette_add;
982 cclass->remove = gtk_tool_palette_remove;
983 cclass->forall = gtk_tool_palette_forall;
984 cclass->child_type = gtk_tool_palette_child_type;
985 cclass->set_child_property = gtk_tool_palette_set_child_property;
986 cclass->get_child_property = gtk_tool_palette_get_child_property;
988 /* Handle screen-changed so we can update our GtkSettings.
990 wclass->screen_changed = gtk_tool_palette_screen_changed;
992 g_object_class_override_property (oclass, PROP_ORIENTATION, "orientation");
994 g_object_class_override_property (oclass, PROP_HADJUSTMENT, "hadjustment");
995 g_object_class_override_property (oclass, PROP_VADJUSTMENT, "vadjustment");
996 g_object_class_override_property (oclass, PROP_HSCROLL_POLICY, "hscroll-policy");
997 g_object_class_override_property (oclass, PROP_VSCROLL_POLICY, "vscroll-policy");
1000 * GtkToolPalette:icon-size:
1002 * The size of the icons in a tool palette is normally determined by
1003 * the #GtkSettings:gtk-toolbar-icon-size setting. When this property is set,
1004 * it overrides the setting.
1006 * This should only be used for special-purpose tool palettes, normal
1007 * application tool palettes should respect the user preferences for the
1012 g_object_class_install_property (oclass,
1014 g_param_spec_enum ("icon-size",
1016 P_("Size of icons in this tool palette"),
1019 GTK_PARAM_READWRITE));
1022 * GtkToolPalette:icon-size-set:
1024 * Is %TRUE if the #GtkToolPalette:icon-size property has been set.
1028 g_object_class_install_property (oclass,
1030 g_param_spec_boolean ("icon-size-set",
1031 P_("Icon size set"),
1032 P_("Whether the icon-size property has been set"),
1034 GTK_PARAM_READWRITE));
1037 * GtkToolPalette:toolbar-style:
1039 * The style of items in the tool palette.
1043 g_object_class_install_property (oclass, PROP_TOOLBAR_STYLE,
1044 g_param_spec_enum ("toolbar-style",
1045 P_("Toolbar Style"),
1046 P_("Style of items in the tool palette"),
1047 GTK_TYPE_TOOLBAR_STYLE,
1048 DEFAULT_TOOLBAR_STYLE,
1049 GTK_PARAM_READWRITE));
1053 * GtkToolPalette:exclusive:
1055 * Whether the item group should be the only one that is expanded
1060 gtk_container_class_install_child_property (cclass, CHILD_PROP_EXCLUSIVE,
1061 g_param_spec_boolean ("exclusive",
1063 P_("Whether the item group should be the only expanded at a given time"),
1064 DEFAULT_CHILD_EXCLUSIVE,
1065 GTK_PARAM_READWRITE));
1068 * GtkToolPalette:expand:
1070 * Whether the item group should receive extra space when the palette grows.
1075 gtk_container_class_install_child_property (cclass, CHILD_PROP_EXPAND,
1076 g_param_spec_boolean ("expand",
1078 P_("Whether the item group should receive extra space when the palette grows"),
1079 DEFAULT_CHILD_EXPAND,
1080 GTK_PARAM_READWRITE));
1082 g_type_class_add_private (cls, sizeof (GtkToolPalettePrivate));
1084 dnd_target_atom_item = gdk_atom_intern_static_string (dnd_targets[0].target);
1085 dnd_target_atom_group = gdk_atom_intern_static_string (dnd_targets[1].target);
1089 * gtk_tool_palette_new:
1091 * Creates a new tool palette.
1093 * Returns: a new #GtkToolPalette
1098 gtk_tool_palette_new (void)
1100 return g_object_new (GTK_TYPE_TOOL_PALETTE, NULL);
1104 * gtk_tool_palette_set_icon_size:
1105 * @palette: a #GtkToolPalette
1106 * @icon_size: (type int): the #GtkIconSize that icons in the tool
1107 * palette shall have
1109 * Sets the size of icons in the tool palette.
1114 gtk_tool_palette_set_icon_size (GtkToolPalette *palette,
1115 GtkIconSize icon_size)
1117 GtkToolPalettePrivate *priv;
1119 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1120 g_return_if_fail (icon_size != GTK_ICON_SIZE_INVALID);
1122 priv = palette->priv;
1124 if (!priv->icon_size_set)
1126 priv->icon_size_set = TRUE;
1127 g_object_notify (G_OBJECT (palette), "icon-size-set");
1130 if (priv->icon_size == icon_size)
1133 priv->icon_size = icon_size;
1134 g_object_notify (G_OBJECT (palette), "icon-size");
1136 gtk_tool_palette_reconfigured (palette);
1138 gtk_widget_queue_resize (GTK_WIDGET (palette));
1141 static GtkSettings *
1142 toolpalette_get_settings (GtkToolPalette *palette)
1144 GtkToolPalettePrivate *priv = palette->priv;
1145 return priv->settings;
1149 * gtk_tool_palette_unset_icon_size:
1150 * @palette: a #GtkToolPalette
1152 * Unsets the tool palette icon size set with gtk_tool_palette_set_icon_size(),
1153 * so that user preferences will be used to determine the icon size.
1158 gtk_tool_palette_unset_icon_size (GtkToolPalette *palette)
1160 GtkToolPalettePrivate* priv = palette->priv;
1163 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1165 if (palette->priv->icon_size_set)
1167 GtkSettings *settings = toolpalette_get_settings (palette);
1171 g_object_get (settings,
1172 "gtk-toolbar-icon-size", &size,
1176 size = DEFAULT_ICON_SIZE;
1178 if (size != palette->priv->icon_size)
1180 gtk_tool_palette_set_icon_size (palette, size);
1181 g_object_notify (G_OBJECT (palette), "icon-size");
1184 priv->icon_size_set = FALSE;
1185 g_object_notify (G_OBJECT (palette), "icon-size-set");
1189 /* Set the "toolbar-style" property and do appropriate things.
1190 * GtkToolbar does this by emitting a signal instead of just
1191 * calling a function...
1194 gtk_tool_palette_change_style (GtkToolPalette *palette,
1195 GtkToolbarStyle style)
1197 GtkToolPalettePrivate* priv = palette->priv;
1199 if (priv->style != style)
1201 priv->style = style;
1203 gtk_tool_palette_reconfigured (palette);
1205 gtk_widget_queue_resize (GTK_WIDGET (palette));
1206 g_object_notify (G_OBJECT (palette), "toolbar-style");
1212 * gtk_tool_palette_set_style:
1213 * @palette: a #GtkToolPalette
1214 * @style: the #GtkToolbarStyle that items in the tool palette shall have
1216 * Sets the style (text, icons or both) of items in the tool palette.
1221 gtk_tool_palette_set_style (GtkToolPalette *palette,
1222 GtkToolbarStyle style)
1224 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1226 palette->priv->style_set = TRUE;
1227 gtk_tool_palette_change_style (palette, style);
1232 * gtk_tool_palette_unset_style:
1233 * @palette: a #GtkToolPalette
1235 * Unsets a toolbar style set with gtk_tool_palette_set_style(),
1236 * so that user preferences will be used to determine the toolbar style.
1241 gtk_tool_palette_unset_style (GtkToolPalette *palette)
1243 GtkToolPalettePrivate* priv = palette->priv;
1244 GtkToolbarStyle style;
1246 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1248 if (priv->style_set)
1250 GtkSettings *settings = toolpalette_get_settings (palette);
1253 g_object_get (settings,
1254 "gtk-toolbar-style", &style,
1257 style = DEFAULT_TOOLBAR_STYLE;
1259 if (style != priv->style)
1260 gtk_tool_palette_change_style (palette, style);
1262 priv->style_set = FALSE;
1267 * gtk_tool_palette_get_icon_size:
1268 * @palette: a #GtkToolPalette
1270 * Gets the size of icons in the tool palette.
1271 * See gtk_tool_palette_set_icon_size().
1273 * Returns: (type int): the #GtkIconSize of icons in the tool palette
1278 gtk_tool_palette_get_icon_size (GtkToolPalette *palette)
1280 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), DEFAULT_ICON_SIZE);
1282 return palette->priv->icon_size;
1286 * gtk_tool_palette_get_style:
1287 * @palette: a #GtkToolPalette
1289 * Gets the style (icons, text or both) of items in the tool palette.
1291 * Returns: the #GtkToolbarStyle of items in the tool palette.
1296 gtk_tool_palette_get_style (GtkToolPalette *palette)
1298 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), DEFAULT_TOOLBAR_STYLE);
1300 return palette->priv->style;
1304 gtk_tool_palette_compare_groups (gconstpointer a,
1307 const GtkToolItemGroupInfo *group_a = a;
1308 const GtkToolItemGroupInfo *group_b = b;
1310 return group_a->pos - group_b->pos;
1314 * gtk_tool_palette_set_group_position:
1315 * @palette: a #GtkToolPalette
1316 * @group: a #GtkToolItemGroup which is a child of palette
1317 * @position: a new index for group
1319 * Sets the position of the group as an index of the tool palette.
1320 * If position is 0 the group will become the first child, if position is
1321 * -1 it will become the last child.
1326 gtk_tool_palette_set_group_position (GtkToolPalette *palette,
1327 GtkToolItemGroup *group,
1330 GtkToolItemGroupInfo *group_new;
1331 GtkToolItemGroupInfo *group_old;
1334 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1335 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
1336 g_return_if_fail (position >= -1);
1339 position = palette->priv->groups->len - 1;
1341 g_return_if_fail ((guint) position < palette->priv->groups->len);
1343 group_new = g_ptr_array_index (palette->priv->groups, position);
1345 if (GTK_TOOL_ITEM_GROUP (group) == group_new->widget)
1348 old_position = gtk_tool_palette_get_group_position (palette, group);
1349 g_return_if_fail (old_position >= 0);
1351 group_old = g_ptr_array_index (palette->priv->groups, old_position);
1353 group_new->pos = position;
1354 group_old->pos = old_position;
1356 g_ptr_array_sort (palette->priv->groups, gtk_tool_palette_compare_groups);
1358 gtk_widget_queue_resize (GTK_WIDGET (palette));
1362 gtk_tool_palette_group_notify_collapsed (GtkToolItemGroup *group,
1366 GtkToolPalette *palette = GTK_TOOL_PALETTE (data);
1369 if (gtk_tool_item_group_get_collapsed (group))
1372 for (i = 0; i < palette->priv->groups->len; ++i)
1374 GtkToolItemGroupInfo *info = g_ptr_array_index (palette->priv->groups, i);
1375 GtkToolItemGroup *current_group = info->widget;
1377 if (current_group && current_group != group)
1378 gtk_tool_item_group_set_collapsed (current_group, TRUE);
1383 * gtk_tool_palette_set_exclusive:
1384 * @palette: a #GtkToolPalette
1385 * @group: a #GtkToolItemGroup which is a child of palette
1386 * @exclusive: whether the group should be exclusive or not
1388 * Sets whether the group should be exclusive or not.
1389 * If an exclusive group is expanded all other groups are collapsed.
1394 gtk_tool_palette_set_exclusive (GtkToolPalette *palette,
1395 GtkToolItemGroup *group,
1398 GtkToolItemGroupInfo *group_info;
1401 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1402 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
1404 position = gtk_tool_palette_get_group_position (palette, group);
1405 g_return_if_fail (position >= 0);
1407 group_info = g_ptr_array_index (palette->priv->groups, position);
1409 if (exclusive == group_info->exclusive)
1412 group_info->exclusive = exclusive;
1414 if (group_info->exclusive != (0 != group_info->notify_collapsed))
1416 if (group_info->exclusive)
1418 group_info->notify_collapsed =
1419 g_signal_connect (group, "notify::collapsed",
1420 G_CALLBACK (gtk_tool_palette_group_notify_collapsed),
1425 g_signal_handler_disconnect (group, group_info->notify_collapsed);
1426 group_info->notify_collapsed = 0;
1430 gtk_tool_palette_group_notify_collapsed (group_info->widget, NULL, palette);
1431 gtk_widget_child_notify (GTK_WIDGET (group), "exclusive");
1435 * gtk_tool_palette_set_expand:
1436 * @palette: a #GtkToolPalette
1437 * @group: a #GtkToolItemGroup which is a child of palette
1438 * @expand: whether the group should be given extra space
1440 * Sets whether the group should be given extra space.
1445 gtk_tool_palette_set_expand (GtkToolPalette *palette,
1446 GtkToolItemGroup *group,
1449 GtkToolItemGroupInfo *group_info;
1452 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1453 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
1455 position = gtk_tool_palette_get_group_position (palette, group);
1456 g_return_if_fail (position >= 0);
1458 group_info = g_ptr_array_index (palette->priv->groups, position);
1460 if (expand != group_info->expand)
1462 group_info->expand = expand;
1463 gtk_widget_queue_resize (GTK_WIDGET (palette));
1464 gtk_widget_child_notify (GTK_WIDGET (group), "expand");
1469 * gtk_tool_palette_get_group_position:
1470 * @palette: a #GtkToolPalette
1471 * @group: a #GtkToolItemGroup
1473 * Gets the position of @group in @palette as index.
1474 * See gtk_tool_palette_set_group_position().
1476 * Returns: the index of group or -1 if @group is not a child of @palette
1481 gtk_tool_palette_get_group_position (GtkToolPalette *palette,
1482 GtkToolItemGroup *group)
1486 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), -1);
1487 g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), -1);
1489 for (i = 0; i < palette->priv->groups->len; ++i)
1491 GtkToolItemGroupInfo *info = g_ptr_array_index (palette->priv->groups, i);
1492 if ((gpointer) group == info->widget)
1500 * gtk_tool_palette_get_exclusive:
1501 * @palette: a #GtkToolPalette
1502 * @group: a #GtkToolItemGroup which is a child of palette
1504 * Gets whether @group is exclusive or not.
1505 * See gtk_tool_palette_set_exclusive().
1507 * Returns: %TRUE if @group is exclusive
1512 gtk_tool_palette_get_exclusive (GtkToolPalette *palette,
1513 GtkToolItemGroup *group)
1516 GtkToolItemGroupInfo *info;
1518 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), DEFAULT_CHILD_EXCLUSIVE);
1519 g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), DEFAULT_CHILD_EXCLUSIVE);
1521 position = gtk_tool_palette_get_group_position (palette, group);
1522 g_return_val_if_fail (position >= 0, DEFAULT_CHILD_EXCLUSIVE);
1524 info = g_ptr_array_index (palette->priv->groups, position);
1526 return info->exclusive;
1530 * gtk_tool_palette_get_expand:
1531 * @palette: a #GtkToolPalette
1532 * @group: a #GtkToolItemGroup which is a child of palette
1534 * Gets whether group should be given extra space.
1535 * See gtk_tool_palette_set_expand().
1537 * Returns: %TRUE if group should be given extra space, %FALSE otherwise
1542 gtk_tool_palette_get_expand (GtkToolPalette *palette,
1543 GtkToolItemGroup *group)
1546 GtkToolItemGroupInfo *info;
1548 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), DEFAULT_CHILD_EXPAND);
1549 g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), DEFAULT_CHILD_EXPAND);
1551 position = gtk_tool_palette_get_group_position (palette, group);
1552 g_return_val_if_fail (position >= 0, DEFAULT_CHILD_EXPAND);
1554 info = g_ptr_array_index (palette->priv->groups, position);
1556 return info->expand;
1560 * gtk_tool_palette_get_drop_item:
1561 * @palette: a #GtkToolPalette
1562 * @x: the x position
1563 * @y: the y position
1565 * Gets the item at position (x, y).
1566 * See gtk_tool_palette_get_drop_group().
1568 * Returns: (transfer none): the #GtkToolItem at position or %NULL if there is no such item
1573 gtk_tool_palette_get_drop_item (GtkToolPalette *palette,
1577 GtkAllocation allocation;
1578 GtkToolItemGroup *group = gtk_tool_palette_get_drop_group (palette, x, y);
1579 GtkWidget *widget = GTK_WIDGET (group);
1583 gtk_widget_get_allocation (widget, &allocation);
1584 return gtk_tool_item_group_get_drop_item (group,
1593 * gtk_tool_palette_get_drop_group:
1594 * @palette: a #GtkToolPalette
1595 * @x: the x position
1596 * @y: the y position
1598 * Gets the group at position (x, y).
1600 * Returns: (transfer none): the #GtkToolItemGroup at position or %NULL
1601 * if there is no such group
1606 gtk_tool_palette_get_drop_group (GtkToolPalette *palette,
1610 GtkAllocation allocation;
1613 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), NULL);
1615 gtk_widget_get_allocation (GTK_WIDGET (palette), &allocation);
1617 g_return_val_if_fail (x >= 0 && x < allocation.width, NULL);
1618 g_return_val_if_fail (y >= 0 && y < allocation.height, NULL);
1620 for (i = 0; i < palette->priv->groups->len; ++i)
1622 GtkToolItemGroupInfo *group = g_ptr_array_index (palette->priv->groups, i);
1629 widget = GTK_WIDGET (group->widget);
1630 gtk_widget_get_allocation (widget, &allocation);
1632 x0 = x - allocation.x;
1633 y0 = y - allocation.y;
1635 if (x0 >= 0 && x0 < allocation.width &&
1636 y0 >= 0 && y0 < allocation.height)
1637 return GTK_TOOL_ITEM_GROUP (widget);
1644 * gtk_tool_palette_get_drag_item:
1645 * @palette: a #GtkToolPalette
1646 * @selection: a #GtkSelectionData
1648 * Get the dragged item from the selection.
1649 * This could be a #GtkToolItem or a #GtkToolItemGroup.
1651 * Returns: (transfer none): the dragged item in selection
1656 gtk_tool_palette_get_drag_item (GtkToolPalette *palette,
1657 const GtkSelectionData *selection)
1659 GtkToolPaletteDragData *data;
1662 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), NULL);
1663 g_return_val_if_fail (NULL != selection, NULL);
1665 g_return_val_if_fail (gtk_selection_data_get_format (selection) == 8, NULL);
1666 g_return_val_if_fail (gtk_selection_data_get_length (selection) == sizeof (GtkToolPaletteDragData), NULL);
1667 target = gtk_selection_data_get_target (selection);
1668 g_return_val_if_fail (target == dnd_target_atom_item ||
1669 target == dnd_target_atom_group,
1672 data = (GtkToolPaletteDragData*) gtk_selection_data_get_data (selection);
1674 g_return_val_if_fail (data->palette == palette, NULL);
1676 if (dnd_target_atom_item == target)
1677 g_return_val_if_fail (GTK_IS_TOOL_ITEM (data->item), NULL);
1678 else if (dnd_target_atom_group == target)
1679 g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (data->item), NULL);
1685 * gtk_tool_palette_set_drag_source:
1686 * @palette: a #GtkToolPalette
1687 * @targets: the #GtkToolPaletteDragTargets
1688 * which the widget should support
1690 * Sets the tool palette as a drag source.
1691 * Enables all groups and items in the tool palette as drag sources
1692 * on button 1 and button 3 press with copy and move actions.
1693 * See gtk_drag_source_set().
1698 gtk_tool_palette_set_drag_source (GtkToolPalette *palette,
1699 GtkToolPaletteDragTargets targets)
1703 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1705 if ((palette->priv->drag_source & targets) == targets)
1708 palette->priv->drag_source |= targets;
1710 for (i = 0; i < palette->priv->groups->len; ++i)
1712 GtkToolItemGroupInfo *info = g_ptr_array_index (palette->priv->groups, i);
1714 gtk_container_forall (GTK_CONTAINER (info->widget),
1715 _gtk_tool_palette_child_set_drag_source,
1721 * gtk_tool_palette_add_drag_dest:
1722 * @palette: a #GtkToolPalette
1723 * @widget: a #GtkWidget which should be a drag destination for @palette
1724 * @flags: the flags that specify what actions GTK+ should take for drops
1726 * @targets: the #GtkToolPaletteDragTargets which the widget
1728 * @actions: the #GdkDragAction<!-- -->s which the widget should suppport
1730 * Sets @palette as drag source (see gtk_tool_palette_set_drag_source())
1731 * and sets @widget as a drag destination for drags from @palette.
1732 * See gtk_drag_dest_set().
1737 gtk_tool_palette_add_drag_dest (GtkToolPalette *palette,
1739 GtkDestDefaults flags,
1740 GtkToolPaletteDragTargets targets,
1741 GdkDragAction actions)
1743 GtkTargetEntry entries[G_N_ELEMENTS (dnd_targets)];
1746 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1747 g_return_if_fail (GTK_IS_WIDGET (widget));
1749 gtk_tool_palette_set_drag_source (palette,
1752 if (targets & GTK_TOOL_PALETTE_DRAG_ITEMS)
1753 entries[n_entries++] = dnd_targets[0];
1754 if (targets & GTK_TOOL_PALETTE_DRAG_GROUPS)
1755 entries[n_entries++] = dnd_targets[1];
1757 gtk_drag_dest_set (widget, flags, entries, n_entries, actions);
1761 _gtk_tool_palette_get_item_size (GtkToolPalette *palette,
1762 GtkRequisition *item_size,
1763 gboolean homogeneous_only,
1764 gint *requested_rows)
1766 GtkRequisition max_requisition;
1770 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1771 g_return_if_fail (NULL != item_size);
1773 max_requisition.width = 0;
1774 max_requisition.height = 0;
1777 /* iterate over all groups and calculate the max item_size and max row request */
1778 for (i = 0; i < palette->priv->groups->len; ++i)
1780 GtkRequisition requisition;
1782 GtkToolItemGroupInfo *group = g_ptr_array_index (palette->priv->groups, i);
1787 _gtk_tool_item_group_item_size_request (group->widget, &requisition, homogeneous_only, &rows);
1789 max_requisition.width = MAX (max_requisition.width, requisition.width);
1790 max_requisition.height = MAX (max_requisition.height, requisition.height);
1791 max_rows = MAX (max_rows, rows);
1794 *item_size = max_requisition;
1796 *requested_rows = max_rows;
1800 gtk_tool_palette_item_drag_data_get (GtkWidget *widget,
1801 GdkDragContext *context,
1802 GtkSelectionData *selection,
1807 GtkToolPaletteDragData drag_data = { GTK_TOOL_PALETTE (data), NULL };
1810 target = gtk_selection_data_get_target (selection);
1812 if (target == dnd_target_atom_item)
1813 drag_data.item = gtk_widget_get_ancestor (widget, GTK_TYPE_TOOL_ITEM);
1816 gtk_selection_data_set (selection, target, 8,
1817 (guchar*) &drag_data, sizeof (drag_data));
1821 gtk_tool_palette_child_drag_data_get (GtkWidget *widget,
1822 GdkDragContext *context,
1823 GtkSelectionData *selection,
1828 GtkToolPaletteDragData drag_data = { GTK_TOOL_PALETTE (data), NULL };
1831 target = gtk_selection_data_get_target (selection);
1833 if (target == dnd_target_atom_group)
1834 drag_data.item = gtk_widget_get_ancestor (widget, GTK_TYPE_TOOL_ITEM_GROUP);
1837 gtk_selection_data_set (selection, target, 8,
1838 (guchar*) &drag_data, sizeof (drag_data));
1842 _gtk_tool_palette_child_set_drag_source (GtkWidget *child,
1845 GtkToolPalette *palette = GTK_TOOL_PALETTE (data);
1847 /* Check drag_source,
1848 * to work properly when called from gtk_tool_item_group_insert().
1850 if (!palette->priv->drag_source)
1853 if (GTK_IS_TOOL_ITEM (child) &&
1854 (palette->priv->drag_source & GTK_TOOL_PALETTE_DRAG_ITEMS))
1856 /* Connect to child instead of the item itself,
1857 * to work arround bug 510377.
1859 if (GTK_IS_TOOL_BUTTON (child))
1860 child = gtk_bin_get_child (GTK_BIN (child));
1865 gtk_drag_source_set (child, GDK_BUTTON1_MASK | GDK_BUTTON3_MASK,
1866 &dnd_targets[0], 1, GDK_ACTION_COPY | GDK_ACTION_MOVE);
1868 g_signal_connect (child, "drag-data-get",
1869 G_CALLBACK (gtk_tool_palette_item_drag_data_get),
1872 else if (GTK_IS_BUTTON (child) &&
1873 (palette->priv->drag_source & GTK_TOOL_PALETTE_DRAG_GROUPS))
1875 gtk_drag_source_set (child, GDK_BUTTON1_MASK | GDK_BUTTON3_MASK,
1876 &dnd_targets[1], 1, GDK_ACTION_COPY | GDK_ACTION_MOVE);
1878 g_signal_connect (child, "drag-data-get",
1879 G_CALLBACK (gtk_tool_palette_child_drag_data_get),
1885 * gtk_tool_palette_get_drag_target_item:
1887 * Gets the target entry for a dragged #GtkToolItem.
1889 * Returns: (transfer none): the #GtkTargetEntry for a dragged item.
1893 const GtkTargetEntry*
1894 gtk_tool_palette_get_drag_target_item (void)
1896 return &dnd_targets[0];
1900 * gtk_tool_palette_get_drag_target_group:
1902 * Get the target entry for a dragged #GtkToolItemGroup.
1904 * Returns: (transfer none): the #GtkTargetEntry for a dragged group
1908 const GtkTargetEntry*
1909 gtk_tool_palette_get_drag_target_group (void)
1911 return &dnd_targets[1];
1915 _gtk_tool_palette_set_expanding_child (GtkToolPalette *palette,
1918 g_return_if_fail (GTK_IS_TOOL_PALETTE (palette));
1919 palette->priv->expanding_child = widget;
1923 * gtk_tool_palette_get_hadjustment:
1924 * @palette: a #GtkToolPalette
1926 * Gets the horizontal adjustment of the tool palette.
1928 * Returns: (transfer none): the horizontal adjustment of @palette
1932 * Deprecated: 3.0: Use gtk_scrollable_get_hadjustment()
1935 gtk_tool_palette_get_hadjustment (GtkToolPalette *palette)
1937 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), NULL);
1939 return palette->priv->hadjustment;
1943 gtk_tool_palette_set_hadjustment (GtkToolPalette *palette,
1944 GtkAdjustment *adjustment)
1946 GtkToolPalettePrivate *priv = palette->priv;
1948 if (adjustment && priv->hadjustment == adjustment)
1951 if (priv->hadjustment != NULL)
1953 g_signal_handlers_disconnect_by_func (priv->hadjustment,
1954 gtk_tool_palette_adjustment_value_changed,
1956 g_object_unref (priv->hadjustment);
1959 if (adjustment == NULL)
1960 adjustment = gtk_adjustment_new (0.0, 0.0, 0.0,
1963 g_signal_connect (adjustment, "value-changed",
1964 G_CALLBACK (gtk_tool_palette_adjustment_value_changed),
1966 priv->hadjustment = g_object_ref_sink (adjustment);
1967 /* FIXME: Adjustment should probably have its values updated now */
1968 g_object_notify (G_OBJECT (palette), "hadjustment");
1972 * gtk_tool_palette_get_vadjustment:
1973 * @palette: a #GtkToolPalette
1975 * Gets the vertical adjustment of the tool palette.
1977 * Returns: (transfer none): the vertical adjustment of @palette
1981 * Deprecated: 3.0: Use gtk_scrollable_get_vadjustment()
1984 gtk_tool_palette_get_vadjustment (GtkToolPalette *palette)
1986 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), NULL);
1988 return palette->priv->vadjustment;
1992 gtk_tool_palette_set_vadjustment (GtkToolPalette *palette,
1993 GtkAdjustment *adjustment)
1995 GtkToolPalettePrivate *priv = palette->priv;
1997 if (adjustment && priv->vadjustment == adjustment)
2000 if (priv->vadjustment != NULL)
2002 g_signal_handlers_disconnect_by_func (priv->vadjustment,
2003 gtk_tool_palette_adjustment_value_changed,
2005 g_object_unref (priv->vadjustment);
2008 if (adjustment == NULL)
2009 adjustment = gtk_adjustment_new (0.0, 0.0, 0.0,
2012 g_signal_connect (adjustment, "value-changed",
2013 G_CALLBACK (gtk_tool_palette_adjustment_value_changed),
2015 priv->vadjustment = g_object_ref_sink (adjustment);
2016 /* FIXME: Adjustment should probably have its values updated now */
2017 g_object_notify (G_OBJECT (palette), "vadjustment");
2021 _gtk_tool_palette_get_size_group (GtkToolPalette *palette)
2023 g_return_val_if_fail (GTK_IS_TOOL_PALETTE (palette), NULL);
2025 return palette->priv->text_size_group;