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
25 #include "gtktoolpaletteprivate.h"
30 #include "gtkprivate.h"
33 #define ANIMATION_TIMEOUT 50
34 #define ANIMATION_DURATION (ANIMATION_TIMEOUT * 4)
35 #define DEFAULT_ANIMATION_STATE TRUE
36 #define DEFAULT_EXPANDER_SIZE 16
37 #define DEFAULT_HEADER_SPACING 2
39 #define DEFAULT_LABEL ""
40 #define DEFAULT_COLLAPSED FALSE
41 #define DEFAULT_ELLIPSIZE PANGO_ELLIPSIZE_NONE
44 * SECTION:gtktoolitemgroup
45 * @Short_description: A sub container used in a tool palette
46 * @Title: GtkToolItemGroup
48 * A #GtkToolItemGroup is used together with #GtkToolPalette to add
49 * #GtkToolItem<!-- -->s to a palette like container with different
50 * categories and drag and drop support.
68 CHILD_PROP_HOMOGENEOUS,
75 typedef struct _GtkToolItemGroupChild GtkToolItemGroupChild;
77 struct _GtkToolItemGroupPrivate
80 GtkWidget *label_widget;
85 gint64 animation_start;
86 GSource *animation_timeout;
87 GtkExpanderStyle expander_style;
90 PangoEllipsizeMode ellipsize;
95 GtkSettings *settings;
96 gulong settings_connection;
101 struct _GtkToolItemGroupChild
105 guint homogeneous : 1;
111 static void gtk_tool_item_group_tool_shell_init (GtkToolShellIface *iface);
113 G_DEFINE_TYPE_WITH_CODE (GtkToolItemGroup, gtk_tool_item_group, GTK_TYPE_CONTAINER,
114 G_IMPLEMENT_INTERFACE (GTK_TYPE_TOOL_SHELL, gtk_tool_item_group_tool_shell_init));
117 gtk_tool_item_group_get_alignment (GtkToolItemGroup *group)
119 return gtk_bin_get_child (GTK_BIN (group->priv->header));
122 static GtkOrientation
123 gtk_tool_item_group_get_orientation (GtkToolShell *shell)
125 GtkWidget *parent = gtk_widget_get_parent (GTK_WIDGET (shell));
127 if (GTK_IS_TOOL_PALETTE (parent))
128 return gtk_orientable_get_orientation (GTK_ORIENTABLE (parent));
130 return GTK_ORIENTATION_VERTICAL;
133 static GtkToolbarStyle
134 gtk_tool_item_group_get_style (GtkToolShell *shell)
136 GtkWidget *parent = gtk_widget_get_parent (GTK_WIDGET (shell));
138 if (GTK_IS_TOOL_PALETTE (parent))
139 return gtk_tool_palette_get_style (GTK_TOOL_PALETTE (parent));
141 return GTK_TOOLBAR_ICONS;
145 gtk_tool_item_group_get_icon_size (GtkToolShell *shell)
147 GtkWidget *parent = gtk_widget_get_parent (GTK_WIDGET (shell));
149 if (GTK_IS_TOOL_PALETTE (parent))
150 return gtk_tool_palette_get_icon_size (GTK_TOOL_PALETTE (parent));
152 return GTK_ICON_SIZE_SMALL_TOOLBAR;
155 static PangoEllipsizeMode
156 gtk_tool_item_group_get_ellipsize_mode (GtkToolShell *shell)
158 return GTK_TOOL_ITEM_GROUP (shell)->priv->ellipsize;
162 gtk_tool_item_group_get_text_alignment (GtkToolShell *shell)
164 if (GTK_TOOLBAR_TEXT == gtk_tool_item_group_get_style (shell) ||
165 GTK_TOOLBAR_BOTH_HORIZ == gtk_tool_item_group_get_style (shell))
171 static GtkOrientation
172 gtk_tool_item_group_get_text_orientation (GtkToolShell *shell)
174 return GTK_ORIENTATION_HORIZONTAL;
177 static GtkSizeGroup *
178 gtk_tool_item_group_get_text_size_group (GtkToolShell *shell)
180 GtkWidget *parent = gtk_widget_get_parent (GTK_WIDGET (shell));
182 if (GTK_IS_TOOL_PALETTE (parent))
183 return _gtk_tool_palette_get_size_group (GTK_TOOL_PALETTE (parent));
189 animation_change_notify (GtkToolItemGroup *group)
191 GtkSettings *settings = group->priv->settings;
195 g_object_get (settings,
196 "gtk-enable-animations", &animation,
199 animation = DEFAULT_ANIMATION_STATE;
201 group->priv->animation = animation;
205 gtk_tool_item_group_settings_change_notify (GtkSettings *settings,
206 const GParamSpec *pspec,
207 GtkToolItemGroup *group)
209 if (strcmp (pspec->name, "gtk-enable-animations") == 0)
210 animation_change_notify (group);
214 gtk_tool_item_group_screen_changed (GtkWidget *widget,
215 GdkScreen *previous_screen)
217 GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (widget);
218 GtkToolItemGroupPrivate* priv = group->priv;
219 GtkSettings *old_settings = priv->settings;
220 GtkSettings *settings;
222 if (gtk_widget_has_screen (GTK_WIDGET (group)))
223 settings = gtk_widget_get_settings (GTK_WIDGET (group));
227 if (settings == old_settings)
232 g_signal_handler_disconnect (old_settings, priv->settings_connection);
233 g_object_unref (old_settings);
238 priv->settings_connection =
239 g_signal_connect (settings, "notify",
240 G_CALLBACK (gtk_tool_item_group_settings_change_notify),
242 priv->settings = g_object_ref (settings);
245 priv->settings = NULL;
247 animation_change_notify (group);
251 gtk_tool_item_group_tool_shell_init (GtkToolShellIface *iface)
253 iface->get_icon_size = gtk_tool_item_group_get_icon_size;
254 iface->get_orientation = gtk_tool_item_group_get_orientation;
255 iface->get_style = gtk_tool_item_group_get_style;
256 iface->get_text_alignment = gtk_tool_item_group_get_text_alignment;
257 iface->get_text_orientation = gtk_tool_item_group_get_text_orientation;
258 iface->get_text_size_group = gtk_tool_item_group_get_text_size_group;
259 iface->get_ellipsize_mode = gtk_tool_item_group_get_ellipsize_mode;
263 gtk_tool_item_group_header_draw_cb (GtkWidget *widget,
267 GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (data);
268 GtkToolItemGroupPrivate* priv = group->priv;
269 GtkExpanderStyle expander_style;
270 GtkOrientation orientation;
271 gint x, y, width, height;
272 GtkTextDirection direction;
274 orientation = gtk_tool_shell_get_orientation (GTK_TOOL_SHELL (group));
275 expander_style = priv->expander_style;
276 direction = gtk_widget_get_direction (widget);
277 width = gtk_widget_get_allocated_width (widget);
278 height = gtk_widget_get_allocated_height (widget);
280 if (GTK_ORIENTATION_VERTICAL == orientation)
282 if (GTK_TEXT_DIR_RTL == direction)
283 x = width - priv->expander_size / 2;
285 x = priv->expander_size / 2;
292 y = priv->expander_size / 2;
294 /* Unfortunatly gtk_paint_expander() doesn't support rotated drawing
295 * modes. Luckily the following shady arithmetics produce the desired
297 expander_style = GTK_EXPANDER_EXPANDED - expander_style;
300 gtk_paint_expander (gtk_widget_get_style (widget),
302 gtk_widget_get_state (priv->header),
304 "tool-palette-header", x, y,
311 gtk_tool_item_group_header_clicked_cb (GtkButton *button,
314 GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (data);
315 GtkToolItemGroupPrivate* priv = group->priv;
316 GtkWidget *parent = gtk_widget_get_parent (data);
318 if (priv->collapsed ||
319 !GTK_IS_TOOL_PALETTE (parent) ||
320 !gtk_tool_palette_get_exclusive (GTK_TOOL_PALETTE (parent), data))
321 gtk_tool_item_group_set_collapsed (group, !priv->collapsed);
325 gtk_tool_item_group_header_adjust_style (GtkToolItemGroup *group)
327 GtkWidget *alignment = gtk_tool_item_group_get_alignment (group);
328 GtkWidget *label_widget = gtk_bin_get_child (GTK_BIN (alignment));
329 GtkWidget *widget = GTK_WIDGET (group);
330 GtkToolItemGroupPrivate* priv = group->priv;
332 GtkTextDirection direction = gtk_widget_get_direction (widget);
334 gtk_widget_style_get (widget,
335 "header-spacing", &(priv->header_spacing),
336 "expander-size", &(priv->expander_size),
339 gtk_widget_set_size_request (alignment, -1, priv->expander_size);
341 switch (gtk_tool_shell_get_orientation (GTK_TOOL_SHELL (group)))
343 case GTK_ORIENTATION_HORIZONTAL:
344 dy = priv->header_spacing + priv->expander_size;
346 if (GTK_IS_LABEL (label_widget))
348 gtk_label_set_ellipsize (GTK_LABEL (label_widget), PANGO_ELLIPSIZE_NONE);
349 if (GTK_TEXT_DIR_RTL == direction)
350 gtk_label_set_angle (GTK_LABEL (label_widget), -90);
352 gtk_label_set_angle (GTK_LABEL (label_widget), 90);
356 case GTK_ORIENTATION_VERTICAL:
357 dx = priv->header_spacing + priv->expander_size;
359 if (GTK_IS_LABEL (label_widget))
361 gtk_label_set_ellipsize (GTK_LABEL (label_widget), priv->ellipsize);
362 gtk_label_set_angle (GTK_LABEL (label_widget), 0);
367 gtk_alignment_set_padding (GTK_ALIGNMENT (alignment), dy, 0, dx, 0);
371 gtk_tool_item_group_init (GtkToolItemGroup *group)
373 GtkWidget *alignment;
374 GtkToolItemGroupPrivate* priv;
376 gtk_widget_set_redraw_on_allocate (GTK_WIDGET (group), FALSE);
378 group->priv = priv = G_TYPE_INSTANCE_GET_PRIVATE (group,
379 GTK_TYPE_TOOL_ITEM_GROUP,
380 GtkToolItemGroupPrivate);
382 priv->children = NULL;
383 priv->header_spacing = DEFAULT_HEADER_SPACING;
384 priv->expander_size = DEFAULT_EXPANDER_SIZE;
385 priv->expander_style = GTK_EXPANDER_EXPANDED;
387 priv->label_widget = gtk_label_new (NULL);
388 gtk_misc_set_alignment (GTK_MISC (priv->label_widget), 0.0, 0.5);
389 alignment = gtk_alignment_new (0.5, 0.5, 1.0, 1.0);
390 gtk_container_add (GTK_CONTAINER (alignment), priv->label_widget);
391 gtk_widget_show_all (alignment);
393 gtk_widget_push_composite_child ();
394 priv->header = gtk_button_new ();
395 gtk_widget_set_composite_name (priv->header, "header");
396 gtk_widget_pop_composite_child ();
398 g_object_ref_sink (priv->header);
399 gtk_button_set_focus_on_click (GTK_BUTTON (priv->header), FALSE);
400 gtk_container_add (GTK_CONTAINER (priv->header), alignment);
401 gtk_widget_set_parent (priv->header, GTK_WIDGET (group));
403 gtk_tool_item_group_header_adjust_style (group);
405 g_signal_connect_after (alignment, "draw",
406 G_CALLBACK (gtk_tool_item_group_header_draw_cb),
409 g_signal_connect (priv->header, "clicked",
410 G_CALLBACK (gtk_tool_item_group_header_clicked_cb),
415 gtk_tool_item_group_set_property (GObject *object,
420 GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (object);
425 gtk_tool_item_group_set_label (group, g_value_get_string (value));
428 case PROP_LABEL_WIDGET:
429 gtk_tool_item_group_set_label_widget (group, g_value_get_object (value));
433 gtk_tool_item_group_set_collapsed (group, g_value_get_boolean (value));
437 gtk_tool_item_group_set_ellipsize (group, g_value_get_enum (value));
441 gtk_tool_item_group_set_header_relief (group, g_value_get_enum(value));
445 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
451 gtk_tool_item_group_get_property (GObject *object,
456 GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (object);
461 g_value_set_string (value, gtk_tool_item_group_get_label (group));
464 case PROP_LABEL_WIDGET:
465 g_value_set_object (value,
466 gtk_tool_item_group_get_label_widget (group));
470 g_value_set_boolean (value, gtk_tool_item_group_get_collapsed (group));
474 g_value_set_enum (value, gtk_tool_item_group_get_ellipsize (group));
478 g_value_set_enum (value, gtk_tool_item_group_get_header_relief (group));
482 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
488 gtk_tool_item_group_finalize (GObject *object)
490 GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (object);
492 if (group->priv->children)
494 g_list_free (group->priv->children);
495 group->priv->children = NULL;
498 G_OBJECT_CLASS (gtk_tool_item_group_parent_class)->finalize (object);
502 gtk_tool_item_group_dispose (GObject *object)
504 GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (object);
505 GtkToolItemGroupPrivate* priv = group->priv;
509 /* disconnect focus tracking handler */
510 g_signal_handler_disconnect (priv->toplevel,
513 priv->focus_set_id = 0;
514 priv->toplevel = NULL;
517 G_OBJECT_CLASS (gtk_tool_item_group_parent_class)->dispose (object);
521 gtk_tool_item_group_get_item_size (GtkToolItemGroup *group,
522 GtkRequisition *item_size,
523 gboolean homogeneous_only,
524 gint *requested_rows)
526 GtkWidget *parent = gtk_widget_get_parent (GTK_WIDGET (group));
528 if (GTK_IS_TOOL_PALETTE (parent))
529 _gtk_tool_palette_get_item_size (GTK_TOOL_PALETTE (parent), item_size, homogeneous_only, requested_rows);
531 _gtk_tool_item_group_item_size_request (group, item_size, homogeneous_only, requested_rows);
535 gtk_tool_item_group_size_request (GtkWidget *widget,
536 GtkRequisition *requisition)
538 GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (widget);
539 GtkToolItemGroupPrivate* priv = group->priv;
540 GtkOrientation orientation;
541 GtkRequisition item_size;
545 if (priv->children && gtk_tool_item_group_get_label_widget (group))
547 gtk_widget_get_preferred_size (priv->header,
549 gtk_widget_show (priv->header);
553 requisition->width = requisition->height = 0;
554 gtk_widget_hide (priv->header);
557 gtk_tool_item_group_get_item_size (group, &item_size, FALSE, &requested_rows);
559 orientation = gtk_tool_shell_get_orientation (GTK_TOOL_SHELL (group));
561 if (GTK_ORIENTATION_VERTICAL == orientation)
562 requisition->width = MAX (requisition->width, item_size.width);
564 requisition->height = MAX (requisition->height, item_size.height * requested_rows);
566 border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
567 requisition->width += border_width * 2;
568 requisition->height += border_width * 2;
572 gtk_tool_item_group_get_preferred_width (GtkWidget *widget,
576 GtkRequisition requisition;
578 gtk_tool_item_group_size_request (widget, &requisition);
580 *minimum = *natural = requisition.width;
584 gtk_tool_item_group_get_preferred_height (GtkWidget *widget,
588 GtkRequisition requisition;
590 gtk_tool_item_group_size_request (widget, &requisition);
592 *minimum = *natural = requisition.height;
597 gtk_tool_item_group_is_item_visible (GtkToolItemGroup *group,
598 GtkToolItemGroupChild *child)
600 GtkToolbarStyle style;
601 GtkOrientation orientation;
603 orientation = gtk_tool_shell_get_orientation (GTK_TOOL_SHELL (group));
604 style = gtk_tool_shell_get_style (GTK_TOOL_SHELL (group));
606 /* horizontal tool palettes with text style support only homogeneous items */
607 if (!child->homogeneous &&
608 GTK_ORIENTATION_HORIZONTAL == orientation &&
609 GTK_TOOLBAR_TEXT == style)
613 (gtk_widget_get_visible (GTK_WIDGET (child->item))) &&
614 (GTK_ORIENTATION_VERTICAL == orientation ?
615 gtk_tool_item_get_visible_vertical (child->item) :
616 gtk_tool_item_get_visible_horizontal (child->item));
619 static inline unsigned
623 return (x + y - 1) / y;
627 gtk_tool_item_group_real_size_query (GtkWidget *widget,
628 GtkAllocation *allocation,
629 GtkRequisition *inquery)
631 GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (widget);
632 GtkToolItemGroupPrivate* priv = group->priv;
634 GtkRequisition item_size;
635 GtkAllocation item_area;
637 GtkOrientation orientation;
638 GtkToolbarStyle style;
643 border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
644 orientation = gtk_tool_shell_get_orientation (GTK_TOOL_SHELL (group));
645 style = gtk_tool_shell_get_style (GTK_TOOL_SHELL (group));
647 /* figure out the size of homogeneous items */
648 gtk_tool_item_group_get_item_size (group, &item_size, TRUE, &min_rows);
650 if (GTK_ORIENTATION_VERTICAL == orientation)
651 item_size.width = MIN (item_size.width, allocation->width);
653 item_size.height = MIN (item_size.height, allocation->height);
655 item_size.width = MAX (item_size.width, 1);
656 item_size.height = MAX (item_size.height, 1);
659 item_area.height = 0;
661 /* figure out the required columns (n_columns) and rows (n_rows) to place all items */
662 if (!priv->collapsed || !priv->animation || priv->animation_timeout)
668 if (GTK_ORIENTATION_VERTICAL == orientation)
670 gboolean new_row = FALSE;
674 item_area.width = allocation->width - 2 * border_width;
675 n_columns = MAX (item_area.width / item_size.width, 1);
677 /* calculate required rows for n_columns columns */
678 for (it = priv->children; it != NULL; it = it->next)
680 GtkToolItemGroupChild *child = it->data;
682 if (!gtk_tool_item_group_is_item_visible (group, child))
685 if (new_row || child->new_row)
695 if (child->homogeneous)
698 if (col >= n_columns)
703 GtkRequisition req = {0, 0};
706 gtk_widget_get_preferred_size (GTK_WIDGET (child->item),
709 width = udiv (req.width, item_size.width);
717 if (col >= n_columns)
725 guint *row_min_width;
727 gboolean new_row = TRUE;
728 guint col = 0, min_col, max_col = 0, all_items = 0;
731 item_area.height = allocation->height - 2 * border_width;
732 n_rows = MAX (item_area.height / item_size.height, min_rows);
734 row_min_width = g_new0 (guint, n_rows);
736 /* calculate minimal and maximal required cols and minimal required rows */
737 for (it = priv->children; it != NULL; it = it->next)
739 GtkToolItemGroupChild *child = it->data;
741 if (!gtk_tool_item_group_is_item_visible (group, child))
744 if (new_row || child->new_row)
749 row_min_width[row] = 1;
755 if (child->homogeneous)
762 GtkRequisition req = {0, 0};
765 gtk_widget_get_preferred_size (GTK_WIDGET (child->item),
768 width = udiv (req.width, item_size.width);
773 row_min_width[row] = MAX (row_min_width[row], width);
776 max_col = MAX (max_col, col);
779 /* calculate minimal required cols */
780 min_col = udiv (all_items, n_rows);
782 for (i = 0; i <= row; i++)
784 min_col = MAX (min_col, row_min_width[i]);
787 /* simple linear search for minimal required columns for the given maximal number of rows (n_rows) */
788 for (n_columns = min_col; n_columns < max_col; n_columns ++)
792 /* calculate required rows for n_columns columns */
793 for (it = priv->children; it != NULL; it = it->next)
795 GtkToolItemGroupChild *child = it->data;
797 if (!gtk_tool_item_group_is_item_visible (group, child))
800 if (new_row || child->new_row)
810 if (child->homogeneous)
813 if (col >= n_columns)
818 GtkRequisition req = {0, 0};
821 gtk_widget_get_preferred_size (GTK_WIDGET (child->item),
824 width = udiv (req.width, item_size.width);
832 if (col >= n_columns)
842 item_area.width = item_size.width * n_columns;
843 item_area.height = item_size.height * n_rows;
849 /* figure out header widget size */
850 if (gtk_widget_get_visible (priv->header))
852 GtkRequisition child_requisition;
854 gtk_widget_get_preferred_size (priv->header,
855 &child_requisition, NULL);
857 if (GTK_ORIENTATION_VERTICAL == orientation)
858 inquery->height += child_requisition.height;
860 inquery->width += child_requisition.width;
863 /* report effective widget size */
864 inquery->width += item_area.width + 2 * border_width;
865 inquery->height += item_area.height + 2 * border_width;
869 gtk_tool_item_group_real_size_allocate (GtkWidget *widget,
870 GtkAllocation *allocation)
872 GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (widget);
873 GtkToolItemGroupPrivate* priv = group->priv;
874 GtkRequisition child_requisition;
875 GtkAllocation child_allocation;
877 GtkRequisition item_size;
878 GtkAllocation item_area;
880 GtkOrientation orientation;
881 GtkToolbarStyle style;
885 gint n_columns, n_rows = 1;
889 border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
891 GtkTextDirection direction = gtk_widget_get_direction (widget);
893 orientation = gtk_tool_shell_get_orientation (GTK_TOOL_SHELL (group));
894 style = gtk_tool_shell_get_style (GTK_TOOL_SHELL (group));
897 GTK_WIDGET_CLASS (gtk_tool_item_group_parent_class)->size_allocate (widget, allocation);
899 child_allocation.x = border_width;
900 child_allocation.y = border_width;
902 /* place the header widget */
903 if (gtk_widget_get_visible (priv->header))
905 gtk_widget_get_preferred_size (priv->header,
906 &child_requisition, NULL);
908 if (GTK_ORIENTATION_VERTICAL == orientation)
910 child_allocation.width = allocation->width;
911 child_allocation.height = child_requisition.height;
915 child_allocation.width = child_requisition.width;
916 child_allocation.height = allocation->height;
918 if (GTK_TEXT_DIR_RTL == direction)
919 child_allocation.x = allocation->width - border_width - child_allocation.width;
922 gtk_widget_size_allocate (priv->header, &child_allocation);
924 if (GTK_ORIENTATION_VERTICAL == orientation)
925 child_allocation.y += child_allocation.height;
926 else if (GTK_TEXT_DIR_RTL != direction)
927 child_allocation.x += child_allocation.width;
929 child_allocation.x = border_width;
932 child_requisition.width = child_requisition.height = 0;
934 /* figure out the size of homogeneous items */
935 gtk_tool_item_group_get_item_size (group, &item_size, TRUE, &min_rows);
937 item_size.width = MAX (item_size.width, 1);
938 item_size.height = MAX (item_size.height, 1);
940 /* figure out the available columns and size of item_area */
941 if (GTK_ORIENTATION_VERTICAL == orientation)
943 item_size.width = MIN (item_size.width, allocation->width);
945 item_area.width = allocation->width - 2 * border_width;
946 item_area.height = allocation->height - 2 * border_width - child_requisition.height;
948 n_columns = MAX (item_area.width / item_size.width, 1);
950 item_size.width = item_area.width / n_columns;
954 item_size.height = MIN (item_size.height, allocation->height);
956 item_area.width = allocation->width - 2 * border_width - child_requisition.width;
957 item_area.height = allocation->height - 2 * border_width;
959 n_columns = MAX (item_area.width / item_size.width, 1);
960 n_rows = MAX (item_area.height / item_size.height, min_rows);
962 item_size.height = item_area.height / n_rows;
965 item_area.x = child_allocation.x;
966 item_area.y = child_allocation.y;
968 /* when expanded or in transition, place the tool items in a grid like layout */
969 if (!priv->collapsed || !priv->animation || priv->animation_timeout)
971 gint col = 0, row = 0;
973 for (it = priv->children; it != NULL; it = it->next)
975 GtkToolItemGroupChild *child = it->data;
978 if (!gtk_tool_item_group_is_item_visible (group, child))
980 gtk_widget_set_child_visible (GTK_WIDGET (child->item), FALSE);
985 /* for non homogeneous widgets request the required size */
986 child_requisition.width = 0;
988 if (!child->homogeneous)
990 gtk_widget_get_preferred_size (GTK_WIDGET (child->item),
991 &child_requisition, NULL);
992 child_requisition.width = MIN (child_requisition.width, item_area.width);
995 /* select next row if at end of row */
996 if (col > 0 && (child->new_row || (col * item_size.width) + MAX (child_requisition.width, item_size.width) > item_area.width))
1000 child_allocation.y += child_allocation.height;
1005 /* calculate the position and size of the item */
1006 if (!child->homogeneous)
1012 col_width = udiv (child_requisition.width, item_size.width);
1014 col_width = n_columns - col;
1016 width = col_width * item_size.width;
1018 if (GTK_TEXT_DIR_RTL == direction)
1019 col_child = (n_columns - col - col_width);
1023 child_allocation.x = item_area.x + col_child * item_size.width;
1024 child_allocation.width = width;
1028 child_allocation.x =
1029 (item_area.x + col_child * item_size.width +
1030 (width - child_requisition.width) / 2);
1031 child_allocation.width = child_requisition.width;
1038 if (GTK_TEXT_DIR_RTL == direction)
1039 col_child = (n_columns - col - 1);
1041 child_allocation.x = item_area.x + col_child * item_size.width;
1042 child_allocation.width = item_size.width;
1047 child_allocation.height = item_size.height;
1049 gtk_widget_size_allocate (GTK_WIDGET (child->item), &child_allocation);
1050 gtk_widget_set_child_visible (GTK_WIDGET (child->item), TRUE);
1053 child_allocation.y += item_size.height;
1056 /* or just hide all items, when collapsed */
1060 for (it = priv->children; it != NULL; it = it->next)
1062 GtkToolItemGroupChild *child = it->data;
1064 gtk_widget_set_child_visible (GTK_WIDGET (child->item), FALSE);
1070 gtk_tool_item_group_size_allocate (GtkWidget *widget,
1071 GtkAllocation *allocation)
1073 gtk_tool_item_group_real_size_allocate (widget, allocation);
1075 if (gtk_widget_get_mapped (widget))
1076 gdk_window_invalidate_rect (gtk_widget_get_window (widget), NULL, FALSE);
1080 gtk_tool_item_group_set_focus_cb (GtkWidget *window,
1084 GtkAdjustment *adjustment;
1085 GtkAllocation allocation, p_allocation;
1088 /* Find this group's parent widget in the focused widget's anchestry. */
1089 for (p = widget; p; p = gtk_widget_get_parent (p))
1092 p = gtk_widget_get_parent (p);
1096 if (GTK_IS_TOOL_PALETTE (p))
1098 /* Check that the focused widgets is fully visible within
1099 * the group's parent widget and make it visible otherwise. */
1101 adjustment = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (p));
1107 gtk_widget_get_allocation (widget, &allocation);
1108 gtk_widget_get_allocation (p, &p_allocation);
1110 /* Handle vertical adjustment. */
1111 if (gtk_widget_translate_coordinates
1112 (widget, p, 0, 0, NULL, &y) && y < 0)
1114 y += adjustment->value;
1115 gtk_adjustment_clamp_page (adjustment, y, y + allocation.height);
1117 else if (gtk_widget_translate_coordinates (widget, p, 0, allocation.height, NULL, &y) &&
1118 y > p_allocation.height)
1120 y += adjustment->value;
1121 gtk_adjustment_clamp_page (adjustment, y - allocation.height, y);
1125 adjustment = gtk_scrollable_get_hadjustment (GTK_SCROLLABLE (p));
1131 gtk_widget_get_allocation (widget, &allocation);
1132 gtk_widget_get_allocation (p, &p_allocation);
1134 /* Handle horizontal adjustment. */
1135 if (gtk_widget_translate_coordinates
1136 (widget, p, 0, 0, &x, NULL) && x < 0)
1138 x += adjustment->value;
1139 gtk_adjustment_clamp_page (adjustment, x, x + allocation.width);
1141 else if (gtk_widget_translate_coordinates (widget, p, allocation.width, 0, &x, NULL) &&
1142 x > p_allocation.width)
1144 x += adjustment->value;
1145 gtk_adjustment_clamp_page (adjustment, x - allocation.width, x);
1154 gtk_tool_item_group_set_toplevel_window (GtkToolItemGroup *group,
1155 GtkWidget *toplevel)
1157 GtkToolItemGroupPrivate* priv = group->priv;
1159 if (toplevel != priv->toplevel)
1163 /* Disconnect focus tracking handler. */
1164 g_signal_handler_disconnect (priv->toplevel,
1165 priv->focus_set_id);
1167 priv->focus_set_id = 0;
1168 priv->toplevel = NULL;
1173 /* Install focus tracking handler. We connect to the window's
1174 * set-focus signal instead of connecting to the focus signal of
1177 * 1) Reduce the number of signal handlers used.
1178 * 2) Avoid special handling for group headers.
1179 * 3) Catch focus grabs not only for direct children,
1180 * but also for nested widgets.
1182 priv->focus_set_id =
1183 g_signal_connect (toplevel, "set-focus",
1184 G_CALLBACK (gtk_tool_item_group_set_focus_cb),
1187 priv->toplevel = toplevel;
1193 gtk_tool_item_group_realize (GtkWidget *widget)
1195 GtkAllocation allocation;
1196 GtkWidget *toplevel_window;
1198 GdkWindowAttr attributes;
1199 GdkDisplay *display;
1200 gint attributes_mask;
1203 gtk_widget_set_realized (widget, TRUE);
1205 border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
1207 gtk_widget_get_allocation (widget, &allocation);
1209 attributes.window_type = GDK_WINDOW_CHILD;
1210 attributes.x = allocation.x + border_width;
1211 attributes.y = allocation.y + border_width;
1212 attributes.width = allocation.width - border_width * 2;
1213 attributes.height = allocation.height - border_width * 2;
1214 attributes.wclass = GDK_INPUT_OUTPUT;
1215 attributes.visual = gtk_widget_get_visual (widget);
1216 attributes.event_mask = gtk_widget_get_events (widget)
1217 | GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK
1218 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
1219 | GDK_BUTTON_MOTION_MASK;
1220 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
1222 window = gdk_window_new (gtk_widget_get_parent_window (widget),
1223 &attributes, attributes_mask);
1224 gtk_widget_set_window (widget, window);
1226 display = gdk_window_get_display (window);
1228 if (gdk_display_supports_composite (display))
1229 gdk_window_set_composited (window, TRUE);
1231 gdk_window_set_user_data (window, widget);
1233 gtk_widget_style_attach (widget);
1234 gtk_style_set_background (gtk_widget_get_style (widget),
1235 window, GTK_STATE_NORMAL);
1237 gtk_container_forall (GTK_CONTAINER (widget),
1238 (GtkCallback) gtk_widget_set_parent_window,
1241 gtk_widget_queue_resize_no_redraw (widget);
1243 toplevel_window = gtk_widget_get_ancestor (widget, GTK_TYPE_WINDOW);
1244 gtk_tool_item_group_set_toplevel_window (GTK_TOOL_ITEM_GROUP (widget),
1249 gtk_tool_item_group_unrealize (GtkWidget *widget)
1251 gtk_tool_item_group_set_toplevel_window (GTK_TOOL_ITEM_GROUP (widget), NULL);
1252 GTK_WIDGET_CLASS (gtk_tool_item_group_parent_class)->unrealize (widget);
1256 gtk_tool_item_group_style_set (GtkWidget *widget,
1257 GtkStyle *previous_style)
1259 gtk_tool_item_group_header_adjust_style (GTK_TOOL_ITEM_GROUP (widget));
1260 GTK_WIDGET_CLASS (gtk_tool_item_group_parent_class)->style_set (widget, previous_style);
1264 gtk_tool_item_group_add (GtkContainer *container,
1267 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (container));
1268 g_return_if_fail (GTK_IS_TOOL_ITEM (widget));
1270 gtk_tool_item_group_insert (GTK_TOOL_ITEM_GROUP (container),
1271 GTK_TOOL_ITEM (widget), -1);
1275 gtk_tool_item_group_remove (GtkContainer *container,
1278 GtkToolItemGroup *group;
1279 GtkToolItemGroupPrivate* priv;
1282 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (container));
1283 group = GTK_TOOL_ITEM_GROUP (container);
1286 for (it = priv->children; it != NULL; it = it->next)
1288 GtkToolItemGroupChild *child_info = it->data;
1290 if ((GtkWidget *)child_info->item == child)
1292 g_object_unref (child);
1293 gtk_widget_unparent (child);
1295 g_free (child_info);
1296 priv->children = g_list_delete_link (priv->children, it);
1298 gtk_widget_queue_resize (GTK_WIDGET (container));
1305 gtk_tool_item_group_forall (GtkContainer *container,
1307 GtkCallback callback,
1308 gpointer callback_data)
1310 GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (container);
1311 GtkToolItemGroupPrivate* priv = group->priv;
1314 if (internals && priv->header)
1315 callback (priv->header, callback_data);
1317 children = priv->children;
1320 GtkToolItemGroupChild *child = children->data;
1321 children = children->next; /* store pointer before call to callback
1322 because the child pointer is invalid if the
1323 child->item is removed from the item group
1326 callback (GTK_WIDGET (child->item), callback_data);
1331 gtk_tool_item_group_child_type (GtkContainer *container)
1333 return GTK_TYPE_TOOL_ITEM;
1336 static GtkToolItemGroupChild *
1337 gtk_tool_item_group_get_child (GtkToolItemGroup *group,
1345 g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), NULL);
1346 g_return_val_if_fail (GTK_IS_TOOL_ITEM (item), NULL);
1348 for (it = group->priv->children, i = 0; it != NULL; it = it->next, ++i)
1350 GtkToolItemGroupChild *child = it->data;
1352 if (child->item == item)
1368 gtk_tool_item_group_get_item_packing (GtkToolItemGroup *group,
1370 gboolean *homogeneous,
1375 GtkToolItemGroupChild *child;
1377 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
1378 g_return_if_fail (GTK_IS_TOOL_ITEM (item));
1380 child = gtk_tool_item_group_get_child (group, item, NULL, NULL);
1385 *expand = child->expand;
1388 *homogeneous = child->homogeneous;
1391 *fill = child->fill;
1394 *new_row = child->new_row;
1398 gtk_tool_item_group_set_item_packing (GtkToolItemGroup *group,
1400 gboolean homogeneous,
1405 GtkToolItemGroupChild *child;
1406 gboolean changed = FALSE;
1408 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
1409 g_return_if_fail (GTK_IS_TOOL_ITEM (item));
1411 child = gtk_tool_item_group_get_child (group, item, NULL, NULL);
1415 gtk_widget_freeze_child_notify (GTK_WIDGET (item));
1417 if (child->homogeneous != homogeneous)
1419 child->homogeneous = homogeneous;
1421 gtk_widget_child_notify (GTK_WIDGET (item), "homogeneous");
1423 if (child->expand != expand)
1425 child->expand = expand;
1427 gtk_widget_child_notify (GTK_WIDGET (item), "expand");
1429 if (child->fill != fill)
1433 gtk_widget_child_notify (GTK_WIDGET (item), "fill");
1435 if (child->new_row != new_row)
1437 child->new_row = new_row;
1439 gtk_widget_child_notify (GTK_WIDGET (item), "new-row");
1442 gtk_widget_thaw_child_notify (GTK_WIDGET (item));
1445 && gtk_widget_get_visible (GTK_WIDGET (group))
1446 && gtk_widget_get_visible (GTK_WIDGET (item)))
1447 gtk_widget_queue_resize (GTK_WIDGET (group));
1451 gtk_tool_item_group_set_child_property (GtkContainer *container,
1454 const GValue *value,
1457 GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (container);
1458 GtkToolItem *item = GTK_TOOL_ITEM (child);
1459 gboolean homogeneous, expand, fill, new_row;
1461 if (prop_id != CHILD_PROP_POSITION)
1462 gtk_tool_item_group_get_item_packing (group, item,
1470 case CHILD_PROP_HOMOGENEOUS:
1471 gtk_tool_item_group_set_item_packing (group, item,
1472 g_value_get_boolean (value),
1478 case CHILD_PROP_EXPAND:
1479 gtk_tool_item_group_set_item_packing (group, item,
1481 g_value_get_boolean (value),
1486 case CHILD_PROP_FILL:
1487 gtk_tool_item_group_set_item_packing (group, item,
1490 g_value_get_boolean (value),
1494 case CHILD_PROP_NEW_ROW:
1495 gtk_tool_item_group_set_item_packing (group, item,
1499 g_value_get_boolean (value));
1502 case CHILD_PROP_POSITION:
1503 gtk_tool_item_group_set_item_position (group, item, g_value_get_int (value));
1507 GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, prop_id, pspec);
1513 gtk_tool_item_group_get_child_property (GtkContainer *container,
1519 GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (container);
1520 GtkToolItem *item = GTK_TOOL_ITEM (child);
1521 gboolean homogeneous, expand, fill, new_row;
1523 if (prop_id != CHILD_PROP_POSITION)
1524 gtk_tool_item_group_get_item_packing (group, item,
1532 case CHILD_PROP_HOMOGENEOUS:
1533 g_value_set_boolean (value, homogeneous);
1536 case CHILD_PROP_EXPAND:
1537 g_value_set_boolean (value, expand);
1540 case CHILD_PROP_FILL:
1541 g_value_set_boolean (value, fill);
1544 case CHILD_PROP_NEW_ROW:
1545 g_value_set_boolean (value, new_row);
1548 case CHILD_PROP_POSITION:
1549 g_value_set_int (value, gtk_tool_item_group_get_item_position (group, item));
1553 GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, prop_id, pspec);
1559 gtk_tool_item_group_class_init (GtkToolItemGroupClass *cls)
1561 GObjectClass *oclass = G_OBJECT_CLASS (cls);
1562 GtkWidgetClass *wclass = GTK_WIDGET_CLASS (cls);
1563 GtkContainerClass *cclass = GTK_CONTAINER_CLASS (cls);
1565 oclass->set_property = gtk_tool_item_group_set_property;
1566 oclass->get_property = gtk_tool_item_group_get_property;
1567 oclass->finalize = gtk_tool_item_group_finalize;
1568 oclass->dispose = gtk_tool_item_group_dispose;
1570 wclass->get_preferred_width = gtk_tool_item_group_get_preferred_width;
1571 wclass->get_preferred_height = gtk_tool_item_group_get_preferred_height;
1572 wclass->size_allocate = gtk_tool_item_group_size_allocate;
1573 wclass->realize = gtk_tool_item_group_realize;
1574 wclass->unrealize = gtk_tool_item_group_unrealize;
1575 wclass->style_set = gtk_tool_item_group_style_set;
1576 wclass->screen_changed = gtk_tool_item_group_screen_changed;
1578 cclass->add = gtk_tool_item_group_add;
1579 cclass->remove = gtk_tool_item_group_remove;
1580 cclass->forall = gtk_tool_item_group_forall;
1581 cclass->child_type = gtk_tool_item_group_child_type;
1582 cclass->set_child_property = gtk_tool_item_group_set_child_property;
1583 cclass->get_child_property = gtk_tool_item_group_get_child_property;
1585 g_object_class_install_property (oclass, PROP_LABEL,
1586 g_param_spec_string ("label",
1588 P_("The human-readable title of this item group"),
1590 GTK_PARAM_READWRITE));
1592 g_object_class_install_property (oclass, PROP_LABEL_WIDGET,
1593 g_param_spec_object ("label-widget",
1595 P_("A widget to display in place of the usual label"),
1597 GTK_PARAM_READWRITE));
1599 g_object_class_install_property (oclass, PROP_COLLAPSED,
1600 g_param_spec_boolean ("collapsed",
1602 P_("Whether the group has been collapsed and items are hidden"),
1604 GTK_PARAM_READWRITE));
1606 g_object_class_install_property (oclass, PROP_ELLIPSIZE,
1607 g_param_spec_enum ("ellipsize",
1609 P_("Ellipsize for item group headers"),
1610 PANGO_TYPE_ELLIPSIZE_MODE, DEFAULT_ELLIPSIZE,
1611 GTK_PARAM_READWRITE));
1613 g_object_class_install_property (oclass, PROP_RELIEF,
1614 g_param_spec_enum ("header-relief",
1615 P_("Header Relief"),
1616 P_("Relief of the group header button"),
1617 GTK_TYPE_RELIEF_STYLE, GTK_RELIEF_NORMAL,
1618 GTK_PARAM_READWRITE));
1620 gtk_widget_class_install_style_property (wclass,
1621 g_param_spec_int ("expander-size",
1622 P_("Expander Size"),
1623 P_("Size of the expander arrow"),
1626 DEFAULT_EXPANDER_SIZE,
1627 GTK_PARAM_READABLE));
1629 gtk_widget_class_install_style_property (wclass,
1630 g_param_spec_int ("header-spacing",
1631 P_("Header Spacing"),
1632 P_("Spacing between expander arrow and caption"),
1635 DEFAULT_HEADER_SPACING,
1636 GTK_PARAM_READABLE));
1638 gtk_container_class_install_child_property (cclass, CHILD_PROP_HOMOGENEOUS,
1639 g_param_spec_boolean ("homogeneous",
1641 P_("Whether the item should be the same size as other homogeneous items"),
1643 GTK_PARAM_READWRITE));
1645 gtk_container_class_install_child_property (cclass, CHILD_PROP_EXPAND,
1646 g_param_spec_boolean ("expand",
1648 P_("Whether the item should receive extra space when the group grows"),
1650 GTK_PARAM_READWRITE));
1652 gtk_container_class_install_child_property (cclass, CHILD_PROP_FILL,
1653 g_param_spec_boolean ("fill",
1655 P_("Whether the item should fill the available space"),
1657 GTK_PARAM_READWRITE));
1659 gtk_container_class_install_child_property (cclass, CHILD_PROP_NEW_ROW,
1660 g_param_spec_boolean ("new-row",
1662 P_("Whether the item should start a new row"),
1664 GTK_PARAM_READWRITE));
1666 gtk_container_class_install_child_property (cclass, CHILD_PROP_POSITION,
1667 g_param_spec_int ("position",
1669 P_("Position of the item within this group"),
1673 GTK_PARAM_READWRITE));
1675 g_type_class_add_private (cls, sizeof (GtkToolItemGroupPrivate));
1679 * gtk_tool_item_group_new:
1680 * @label: the label of the new group
1682 * Creates a new tool item group with label @label.
1684 * Returns: a new #GtkToolItemGroup.
1689 gtk_tool_item_group_new (const gchar *label)
1691 return g_object_new (GTK_TYPE_TOOL_ITEM_GROUP, "label", label, NULL);
1695 * gtk_tool_item_group_set_label:
1696 * @group: a #GtkToolItemGroup
1697 * @label: the new human-readable label of of the group
1699 * Sets the label of the tool item group. The label is displayed in the header
1705 gtk_tool_item_group_set_label (GtkToolItemGroup *group,
1708 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
1711 gtk_tool_item_group_set_label_widget (group, NULL);
1714 GtkWidget *child = gtk_label_new (label);
1715 gtk_widget_show (child);
1717 gtk_tool_item_group_set_label_widget (group, child);
1720 g_object_notify (G_OBJECT (group), "label");
1724 * gtk_tool_item_group_set_label_widget:
1725 * @group: a #GtkToolItemGroup
1726 * @label_widget: the widget to be displayed in place of the usual label
1728 * Sets the label of the tool item group.
1729 * The label widget is displayed in the header of the group, in place
1730 * of the usual label.
1735 gtk_tool_item_group_set_label_widget (GtkToolItemGroup *group,
1736 GtkWidget *label_widget)
1738 GtkToolItemGroupPrivate* priv;
1739 GtkWidget *alignment;
1741 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
1742 g_return_if_fail (label_widget == NULL || GTK_IS_WIDGET (label_widget));
1743 g_return_if_fail (label_widget == NULL || gtk_widget_get_parent (label_widget) == NULL);
1747 if (priv->label_widget == label_widget)
1750 alignment = gtk_tool_item_group_get_alignment (group);
1752 if (priv->label_widget)
1754 gtk_widget_set_state (priv->label_widget, GTK_STATE_NORMAL);
1755 gtk_container_remove (GTK_CONTAINER (alignment), priv->label_widget);
1760 gtk_container_add (GTK_CONTAINER (alignment), label_widget);
1762 priv->label_widget = label_widget;
1764 if (gtk_widget_get_visible (GTK_WIDGET (group)))
1765 gtk_widget_queue_resize (GTK_WIDGET (group));
1767 /* Only show the header widget if the group has children: */
1768 if (label_widget && priv->children)
1769 gtk_widget_show (priv->header);
1771 gtk_widget_hide (priv->header);
1773 g_object_freeze_notify (G_OBJECT (group));
1774 g_object_notify (G_OBJECT (group), "label-widget");
1775 g_object_notify (G_OBJECT (group), "label");
1776 g_object_thaw_notify (G_OBJECT (group));
1780 * gtk_tool_item_group_set_header_relief:
1781 * @group: a #GtkToolItemGroup
1782 * @style: the #GtkReliefStyle
1784 * Set the button relief of the group header.
1785 * See gtk_button_set_relief() for details.
1790 gtk_tool_item_group_set_header_relief (GtkToolItemGroup *group,
1791 GtkReliefStyle style)
1793 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
1795 gtk_button_set_relief (GTK_BUTTON (group->priv->header), style);
1799 gtk_tool_item_group_get_animation_timestamp (GtkToolItemGroup *group)
1803 g_source_get_current_time (group->priv->animation_timeout, &now);
1804 return (now.tv_sec * G_USEC_PER_SEC + now.tv_usec - group->priv->animation_start) / 1000;
1808 gtk_tool_item_group_force_expose (GtkToolItemGroup *group)
1810 GtkToolItemGroupPrivate* priv = group->priv;
1811 GtkWidget *widget = GTK_WIDGET (group);
1813 if (gtk_widget_get_realized (priv->header))
1815 GtkAllocation alignment_allocation;
1816 GtkWidget *alignment = gtk_tool_item_group_get_alignment (group);
1819 /* Find the header button's arrow area... */
1820 gtk_widget_get_allocation (alignment, &alignment_allocation);
1821 area.x = alignment_allocation.x;
1822 area.y = alignment_allocation.y + (alignment_allocation.height - priv->expander_size) / 2;
1823 area.height = priv->expander_size;
1824 area.width = priv->expander_size;
1826 /* ... and invalidated it to get it animated. */
1827 gdk_window_invalidate_rect (gtk_widget_get_window (priv->header), &area, TRUE);
1830 if (gtk_widget_get_realized (widget))
1832 GtkAllocation allocation;
1833 GtkWidget *parent = gtk_widget_get_parent (widget);
1834 int x, y, width, height;
1836 /* Find the tool item area button's arrow area... */
1837 gtk_widget_get_allocation (widget, &allocation);
1838 width = allocation.width;
1839 height = allocation.height;
1841 gtk_widget_translate_coordinates (widget, parent, 0, 0, &x, &y);
1843 if (gtk_widget_get_visible (priv->header))
1845 GtkAllocation header_allocation;
1847 gtk_widget_get_allocation (priv->header, &header_allocation);
1848 height -= header_allocation.height;
1849 y += header_allocation.height;
1852 /* ... and invalidated it to get it animated. */
1853 gtk_widget_queue_draw_area (parent, x, y, width, height);
1858 gtk_tool_item_group_animation_cb (gpointer data)
1860 GtkToolItemGroup *group = GTK_TOOL_ITEM_GROUP (data);
1861 GtkToolItemGroupPrivate* priv = group->priv;
1862 gint64 timestamp = gtk_tool_item_group_get_animation_timestamp (group);
1865 GDK_THREADS_ENTER ();
1867 /* Enque this early to reduce number of expose events. */
1868 gtk_widget_queue_resize_no_redraw (GTK_WIDGET (group));
1870 /* Figure out current style of the expander arrow. */
1871 if (priv->collapsed)
1873 if (priv->expander_style == GTK_EXPANDER_EXPANDED)
1874 priv->expander_style = GTK_EXPANDER_SEMI_COLLAPSED;
1876 priv->expander_style = GTK_EXPANDER_COLLAPSED;
1880 if (priv->expander_style == GTK_EXPANDER_COLLAPSED)
1881 priv->expander_style = GTK_EXPANDER_SEMI_EXPANDED;
1883 priv->expander_style = GTK_EXPANDER_EXPANDED;
1886 gtk_tool_item_group_force_expose (group);
1888 /* Finish animation when done. */
1889 if (timestamp >= ANIMATION_DURATION)
1890 priv->animation_timeout = NULL;
1892 retval = (priv->animation_timeout != NULL);
1894 GDK_THREADS_LEAVE ();
1900 * gtk_tool_item_group_set_collapsed:
1901 * @group: a #GtkToolItemGroup
1902 * @collapsed: whether the @group should be collapsed or expanded
1904 * Sets whether the @group should be collapsed or expanded.
1909 gtk_tool_item_group_set_collapsed (GtkToolItemGroup *group,
1913 GtkToolItemGroupPrivate* priv;
1915 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
1919 parent = gtk_widget_get_parent (GTK_WIDGET (group));
1920 if (GTK_IS_TOOL_PALETTE (parent) && !collapsed)
1921 _gtk_tool_palette_set_expanding_child (GTK_TOOL_PALETTE (parent),
1922 GTK_WIDGET (group));
1923 if (collapsed != priv->collapsed)
1925 if (priv->animation)
1929 g_get_current_time (&now);
1931 if (priv->animation_timeout)
1932 g_source_destroy (priv->animation_timeout);
1934 priv->animation_start = (now.tv_sec * G_USEC_PER_SEC + now.tv_usec);
1935 priv->animation_timeout = g_timeout_source_new (ANIMATION_TIMEOUT);
1937 g_source_set_callback (priv->animation_timeout,
1938 gtk_tool_item_group_animation_cb,
1941 g_source_attach (priv->animation_timeout, NULL);
1945 priv->expander_style = GTK_EXPANDER_COLLAPSED;
1946 gtk_tool_item_group_force_expose (group);
1949 priv->collapsed = collapsed;
1950 g_object_notify (G_OBJECT (group), "collapsed");
1955 * gtk_tool_item_group_set_ellipsize:
1956 * @group: a #GtkToolItemGroup
1957 * @ellipsize: the #PangoEllipsizeMode labels in @group should use
1959 * Sets the ellipsization mode which should be used by labels in @group.
1964 gtk_tool_item_group_set_ellipsize (GtkToolItemGroup *group,
1965 PangoEllipsizeMode ellipsize)
1967 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
1969 if (ellipsize != group->priv->ellipsize)
1971 group->priv->ellipsize = ellipsize;
1972 gtk_tool_item_group_header_adjust_style (group);
1973 g_object_notify (G_OBJECT (group), "ellipsize");
1974 _gtk_tool_item_group_palette_reconfigured (group);
1979 * gtk_tool_item_group_get_label:
1980 * @group: a #GtkToolItemGroup
1982 * Gets the label of @group.
1984 * Returns: the label of @group. The label is an internal string of @group
1985 * and must not be modified. Note that %NULL is returned if a custom
1986 * label has been set with gtk_tool_item_group_set_label_widget()
1990 G_CONST_RETURN gchar*
1991 gtk_tool_item_group_get_label (GtkToolItemGroup *group)
1993 GtkToolItemGroupPrivate *priv;
1995 g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), NULL);
1999 if (GTK_IS_LABEL (priv->label_widget))
2000 return gtk_label_get_label (GTK_LABEL (priv->label_widget));
2006 * gtk_tool_item_group_get_label_widget:
2007 * @group: a #GtkToolItemGroup
2009 * Gets the label widget of @group.
2010 * See gtk_tool_item_group_set_label_widget().
2012 * Returns: (transfer none): the label widget of @group
2017 gtk_tool_item_group_get_label_widget (GtkToolItemGroup *group)
2019 GtkWidget *alignment = gtk_tool_item_group_get_alignment (group);
2021 return gtk_bin_get_child (GTK_BIN (alignment));
2025 * gtk_tool_item_group_get_collapsed:
2026 * @group: a GtkToolItemGroup
2028 * Gets whether @group is collapsed or expanded.
2030 * Returns: %TRUE if @group is collapsed, %FALSE if it is expanded
2035 gtk_tool_item_group_get_collapsed (GtkToolItemGroup *group)
2037 g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), DEFAULT_COLLAPSED);
2039 return group->priv->collapsed;
2043 * gtk_tool_item_group_get_ellipsize:
2044 * @group: a #GtkToolItemGroup
2046 * Gets the ellipsization mode of @group.
2048 * Returns: the #PangoEllipsizeMode of @group
2053 gtk_tool_item_group_get_ellipsize (GtkToolItemGroup *group)
2055 g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), DEFAULT_ELLIPSIZE);
2057 return group->priv->ellipsize;
2061 * gtk_tool_item_group_get_header_relief:
2062 * @group: a #GtkToolItemGroup
2064 * Gets the relief mode of the header button of @group.
2066 * Returns: the #GtkReliefStyle
2071 gtk_tool_item_group_get_header_relief (GtkToolItemGroup *group)
2073 g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), GTK_RELIEF_NORMAL);
2075 return gtk_button_get_relief (GTK_BUTTON (group->priv->header));
2079 * gtk_tool_item_group_insert:
2080 * @group: a #GtkToolItemGroup
2081 * @item: the #GtkToolItem to insert into @group
2082 * @position: the position of @item in @group, starting with 0.
2083 * The position -1 means end of list.
2085 * Inserts @item at @position in the list of children of @group.
2090 gtk_tool_item_group_insert (GtkToolItemGroup *group,
2094 GtkWidget *parent, *child_widget;
2095 GtkToolItemGroupChild *child;
2097 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
2098 g_return_if_fail (GTK_IS_TOOL_ITEM (item));
2099 g_return_if_fail (position >= -1);
2101 parent = gtk_widget_get_parent (GTK_WIDGET (group));
2103 child = g_new (GtkToolItemGroupChild, 1);
2104 child->item = g_object_ref_sink (item);
2105 child->homogeneous = TRUE;
2106 child->expand = FALSE;
2108 child->new_row = FALSE;
2110 group->priv->children = g_list_insert (group->priv->children, child, position);
2112 if (GTK_IS_TOOL_PALETTE (parent))
2113 _gtk_tool_palette_child_set_drag_source (GTK_WIDGET (item), parent);
2115 child_widget = gtk_bin_get_child (GTK_BIN (item));
2117 if (GTK_IS_BUTTON (child_widget))
2118 gtk_button_set_focus_on_click (GTK_BUTTON (child_widget), TRUE);
2120 gtk_widget_set_parent (GTK_WIDGET (item), GTK_WIDGET (group));
2124 * gtk_tool_item_group_set_item_position:
2125 * @group: a #GtkToolItemGroup
2126 * @item: the #GtkToolItem to move to a new position, should
2127 * be a child of @group.
2128 * @position: the new position of @item in @group, starting with 0.
2129 * The position -1 means end of list.
2131 * Sets the position of @item in the list of children of @group.
2136 gtk_tool_item_group_set_item_position (GtkToolItemGroup *group,
2142 GtkToolItemGroupChild *child;
2143 GtkToolItemGroupPrivate* priv;
2145 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
2146 g_return_if_fail (GTK_IS_TOOL_ITEM (item));
2147 g_return_if_fail (position >= -1);
2149 child = gtk_tool_item_group_get_child (group, item, &old_position, &link);
2152 g_return_if_fail (child != NULL);
2154 if (position == old_position)
2157 priv->children = g_list_delete_link (priv->children, link);
2158 priv->children = g_list_insert (priv->children, child, position);
2160 gtk_widget_child_notify (GTK_WIDGET (item), "position");
2161 if (gtk_widget_get_visible (GTK_WIDGET (group)) &&
2162 gtk_widget_get_visible (GTK_WIDGET (item)))
2163 gtk_widget_queue_resize (GTK_WIDGET (group));
2167 * gtk_tool_item_group_get_item_position:
2168 * @group: a #GtkToolItemGroup
2169 * @item: a #GtkToolItem
2171 * Gets the position of @item in @group as index.
2173 * Returns: the index of @item in @group or -1 if @item is no child of @group
2178 gtk_tool_item_group_get_item_position (GtkToolItemGroup *group,
2183 g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), -1);
2184 g_return_val_if_fail (GTK_IS_TOOL_ITEM (item), -1);
2186 if (gtk_tool_item_group_get_child (group, item, &position, NULL))
2193 * gtk_tool_item_group_get_n_items:
2194 * @group: a #GtkToolItemGroup
2196 * Gets the number of tool items in @group.
2198 * Returns: the number of tool items in @group
2203 gtk_tool_item_group_get_n_items (GtkToolItemGroup *group)
2205 g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), 0);
2207 return g_list_length (group->priv->children);
2211 * gtk_tool_item_group_get_nth_item:
2212 * @group: a #GtkToolItemGroup
2215 * Gets the tool item at @index in group.
2217 * Returns: (transfer none): the #GtkToolItem at index
2222 gtk_tool_item_group_get_nth_item (GtkToolItemGroup *group,
2225 GtkToolItemGroupChild *child;
2227 g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), NULL);
2229 child = g_list_nth_data (group->priv->children, index);
2231 return child != NULL ? child->item : NULL;
2235 * gtk_tool_item_group_get_drop_item:
2236 * @group: a #GtkToolItemGroup
2237 * @x: the x position
2238 * @y: the y position
2240 * Gets the tool item at position (x, y).
2242 * Returns: (transfer none): the #GtkToolItem at position (x, y)
2247 gtk_tool_item_group_get_drop_item (GtkToolItemGroup *group,
2251 GtkAllocation allocation;
2252 GtkOrientation orientation;
2255 g_return_val_if_fail (GTK_IS_TOOL_ITEM_GROUP (group), NULL);
2257 gtk_widget_get_allocation (GTK_WIDGET (group), &allocation);
2258 orientation = gtk_tool_shell_get_orientation (GTK_TOOL_SHELL (group));
2260 g_return_val_if_fail (x >= 0 && x < allocation.width, NULL);
2261 g_return_val_if_fail (y >= 0 && y < allocation.height, NULL);
2263 for (it = group->priv->children; it != NULL; it = it->next)
2265 GtkToolItemGroupChild *child = it->data;
2266 GtkToolItem *item = child->item;
2269 if (!item || !gtk_tool_item_group_is_item_visible (group, child))
2272 gtk_widget_get_allocation (GTK_WIDGET (item), &allocation);
2274 x0 = x - allocation.x;
2275 y0 = y - allocation.y;
2277 if (x0 >= 0 && x0 < allocation.width &&
2278 y0 >= 0 && y0 < allocation.height)
2286 _gtk_tool_item_group_item_size_request (GtkToolItemGroup *group,
2287 GtkRequisition *item_size,
2288 gboolean homogeneous_only,
2289 gint *requested_rows)
2291 GtkRequisition child_requisition;
2294 gboolean new_row = TRUE;
2295 GtkOrientation orientation;
2296 GtkToolbarStyle style;
2298 g_return_if_fail (GTK_IS_TOOL_ITEM_GROUP (group));
2299 g_return_if_fail (NULL != item_size);
2301 orientation = gtk_tool_shell_get_orientation (GTK_TOOL_SHELL (group));
2302 style = gtk_tool_shell_get_style (GTK_TOOL_SHELL (group));
2304 item_size->width = item_size->height = 0;
2306 for (it = group->priv->children; it != NULL; it = it->next)
2308 GtkToolItemGroupChild *child = it->data;
2310 if (!gtk_tool_item_group_is_item_visible (group, child))
2313 if (child->new_row || new_row)
2319 if (!child->homogeneous && child->expand)
2322 gtk_widget_get_preferred_size (GTK_WIDGET (child->item),
2323 &child_requisition, NULL);
2325 if (!homogeneous_only || child->homogeneous)
2326 item_size->width = MAX (item_size->width, child_requisition.width);
2327 item_size->height = MAX (item_size->height, child_requisition.height);
2331 *requested_rows = rows;
2335 _gtk_tool_item_group_paint (GtkToolItemGroup *group,
2338 GtkAllocation allocation;
2339 GtkWidget *widget = GTK_WIDGET (group);
2340 GtkToolItemGroupPrivate* priv = group->priv;
2342 gtk_widget_get_allocation (widget, &allocation);
2344 gdk_cairo_set_source_window (cr, gtk_widget_get_window (widget),
2348 if (priv->animation_timeout)
2350 GtkAllocation header_allocation;
2351 GtkOrientation orientation = gtk_tool_item_group_get_orientation (GTK_TOOL_SHELL (group));
2352 cairo_pattern_t *mask;
2355 if (GTK_ORIENTATION_VERTICAL == orientation)
2356 v1 = allocation.height;
2358 v1 = allocation.width;
2362 gtk_widget_get_allocation (priv->header, &header_allocation);
2363 if (!gtk_widget_get_visible (priv->header))
2365 else if (GTK_ORIENTATION_VERTICAL == orientation)
2366 v0 = MAX (v0, header_allocation.height);
2368 v0 = MAX (v0, header_allocation.width);
2370 v1 = MIN (v0 + 256, v1);
2372 if (GTK_ORIENTATION_VERTICAL == orientation)
2377 mask = cairo_pattern_create_linear (0.0, v0, 0.0, v1);
2384 mask = cairo_pattern_create_linear (v0, 0.0, v1, 0.0);
2387 cairo_pattern_add_color_stop_rgba (mask, 0.00, 0.0, 0.0, 0.0, 1.00);
2388 cairo_pattern_add_color_stop_rgba (mask, 0.25, 0.0, 0.0, 0.0, 0.25);
2389 cairo_pattern_add_color_stop_rgba (mask, 0.50, 0.0, 0.0, 0.0, 0.10);
2390 cairo_pattern_add_color_stop_rgba (mask, 0.75, 0.0, 0.0, 0.0, 0.01);
2391 cairo_pattern_add_color_stop_rgba (mask, 1.00, 0.0, 0.0, 0.0, 0.00);
2393 cairo_mask (cr, mask);
2394 cairo_pattern_destroy (mask);
2401 _gtk_tool_item_group_get_size_for_limit (GtkToolItemGroup *group,
2406 GtkRequisition requisition;
2407 GtkToolItemGroupPrivate* priv = group->priv;
2409 gtk_widget_get_preferred_size (GTK_WIDGET (group),
2410 &requisition, NULL);
2412 if (!priv->collapsed || priv->animation_timeout)
2414 GtkAllocation allocation = { 0, 0, requisition.width, requisition.height };
2415 GtkRequisition inquery;
2418 allocation.width = limit;
2420 allocation.height = limit;
2422 gtk_tool_item_group_real_size_query (GTK_WIDGET (group),
2423 &allocation, &inquery);
2426 inquery.height -= requisition.height;
2428 inquery.width -= requisition.width;
2430 if (priv->animation_timeout && animation)
2432 gint64 timestamp = gtk_tool_item_group_get_animation_timestamp (group);
2434 timestamp = MIN (timestamp, ANIMATION_DURATION);
2436 if (priv->collapsed)
2437 timestamp = ANIMATION_DURATION - timestamp;
2441 inquery.height *= timestamp;
2442 inquery.height /= ANIMATION_DURATION;
2446 inquery.width *= timestamp;
2447 inquery.width /= ANIMATION_DURATION;
2452 requisition.height += inquery.height;
2454 requisition.width += inquery.width;
2457 return (vertical ? requisition.height : requisition.width);
2461 _gtk_tool_item_group_get_height_for_width (GtkToolItemGroup *group,
2464 return _gtk_tool_item_group_get_size_for_limit (group, width, TRUE, group->priv->animation);
2468 _gtk_tool_item_group_get_width_for_height (GtkToolItemGroup *group,
2471 return _gtk_tool_item_group_get_size_for_limit (group, height, FALSE, TRUE);
2475 gtk_tool_palette_reconfigured_foreach_item (GtkWidget *child,
2478 if (GTK_IS_TOOL_ITEM (child))
2479 gtk_tool_item_toolbar_reconfigured (GTK_TOOL_ITEM (child));
2484 _gtk_tool_item_group_palette_reconfigured (GtkToolItemGroup *group)
2486 gtk_container_foreach (GTK_CONTAINER (group),
2487 gtk_tool_palette_reconfigured_foreach_item,
2490 gtk_tool_item_group_header_adjust_style (group);