1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
20 #include "gtklistitem.h"
22 #include "gtksignal.h"
32 #define SCROLL_TIME 100
34 /** GtkList Methods **/
35 static void gtk_list_class_init (GtkListClass *klass);
36 static void gtk_list_init (GtkList *list);
38 /** GtkObject Methods **/
39 static void gtk_list_shutdown (GtkObject *object);
41 /** GtkWidget Methods **/
42 static void gtk_list_size_request (GtkWidget *widget,
43 GtkRequisition *requisition);
44 static void gtk_list_size_allocate (GtkWidget *widget,
45 GtkAllocation *allocation);
46 static void gtk_list_realize (GtkWidget *widget);
47 static void gtk_list_map (GtkWidget *widget);
48 static void gtk_list_unmap (GtkWidget *widget);
49 static void gtk_list_style_set (GtkWidget *widget,
50 GtkStyle *previous_style);
51 static void gtk_list_draw (GtkWidget *widget,
53 static gint gtk_list_expose (GtkWidget *widget,
54 GdkEventExpose *event);
55 static gint gtk_list_motion_notify (GtkWidget *widget,
56 GdkEventMotion *event);
57 static gint gtk_list_button_press (GtkWidget *widget,
58 GdkEventButton *event);
59 static gint gtk_list_button_release (GtkWidget *widget,
60 GdkEventButton *event);
62 /** GtkContainer Methods **/
63 static void gtk_list_add (GtkContainer *container,
65 static void gtk_list_remove (GtkContainer *container,
67 static void gtk_list_forall (GtkContainer *container,
68 gboolean include_internals,
70 gpointer callback_data);
71 static GtkType gtk_list_child_type (GtkContainer *container);
72 static void gtk_list_set_focus_child (GtkContainer *container,
74 static gint gtk_list_focus (GtkContainer *container,
75 GtkDirectionType direction);
77 /** GtkList Private Functions **/
78 static void gtk_list_move_focus_child (GtkList *list,
79 GtkScrollType scroll_type,
81 static gint gtk_list_horizontal_timeout (GtkWidget *list);
82 static gint gtk_list_vertical_timeout (GtkWidget *list);
83 static void gtk_list_remove_items_internal (GtkList *list,
87 /** GtkList Selection Methods **/
88 static void gtk_real_list_select_child (GtkList *list,
90 static void gtk_real_list_unselect_child (GtkList *list,
93 /** GtkList Selection Functions **/
94 static void gtk_list_set_anchor (GtkList *list,
97 GtkWidget *undo_focus_child);
98 static void gtk_list_fake_unselect_all (GtkList *list,
100 static void gtk_list_fake_toggle_row (GtkList *list,
102 static void gtk_list_update_extended_selection (GtkList *list,
104 static void gtk_list_reset_extended_selection (GtkList *list);
106 /** GtkListItem Signal Functions **/
107 static void gtk_list_signal_drag_begin (GtkWidget *widget,
108 GdkDragContext *context,
110 static void gtk_list_signal_toggle_focus_row (GtkListItem *list_item,
112 static void gtk_list_signal_select_all (GtkListItem *list_item,
114 static void gtk_list_signal_unselect_all (GtkListItem *list_item,
116 static void gtk_list_signal_undo_selection (GtkListItem *list_item,
118 static void gtk_list_signal_start_selection (GtkListItem *list_item,
120 static void gtk_list_signal_end_selection (GtkListItem *list_item,
122 static void gtk_list_signal_extend_selection (GtkListItem *list_item,
123 GtkScrollType scroll_type,
125 gboolean auto_start_selection,
127 static void gtk_list_signal_scroll_horizontal (GtkListItem *list_item,
128 GtkScrollType scroll_type,
131 static void gtk_list_signal_scroll_vertical (GtkListItem *list_item,
132 GtkScrollType scroll_type,
135 static void gtk_list_signal_toggle_add_mode (GtkListItem *list_item,
137 static void gtk_list_signal_item_select (GtkListItem *list_item,
139 static void gtk_list_signal_item_deselect (GtkListItem *list_item,
141 static void gtk_list_signal_item_toggle (GtkListItem *list_item,
145 static void gtk_list_drag_begin (GtkWidget *widget,
146 GdkDragContext *context);
149 static GtkContainerClass *parent_class = NULL;
150 static guint list_signals[LAST_SIGNAL] = { 0 };
152 static const gchar *vadjustment_key = "gtk-vadjustment";
153 static guint vadjustment_key_id = 0;
154 static const gchar *hadjustment_key = "gtk-hadjustment";
155 static guint hadjustment_key_id = 0;
158 gtk_list_get_type (void)
160 static GtkType list_type = 0;
164 static const GtkTypeInfo list_info =
168 sizeof (GtkListClass),
169 (GtkClassInitFunc) gtk_list_class_init,
170 (GtkObjectInitFunc) gtk_list_init,
171 /* reserved_1 */ NULL,
172 /* reserved_2 */ NULL,
173 (GtkClassInitFunc) NULL,
176 list_type = gtk_type_unique (GTK_TYPE_CONTAINER, &list_info);
183 gtk_list_class_init (GtkListClass *class)
185 GtkObjectClass *object_class;
186 GtkWidgetClass *widget_class;
187 GtkContainerClass *container_class;
189 object_class = (GtkObjectClass*) class;
190 widget_class = (GtkWidgetClass*) class;
191 container_class = (GtkContainerClass*) class;
193 parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
195 vadjustment_key_id = g_quark_from_static_string (vadjustment_key);
196 hadjustment_key_id = g_quark_from_static_string (hadjustment_key);
198 list_signals[SELECTION_CHANGED] =
199 gtk_signal_new ("selection_changed",
202 GTK_SIGNAL_OFFSET (GtkListClass, selection_changed),
203 gtk_marshal_NONE__NONE,
205 list_signals[SELECT_CHILD] =
206 gtk_signal_new ("select_child",
209 GTK_SIGNAL_OFFSET (GtkListClass, select_child),
210 gtk_marshal_NONE__POINTER,
213 list_signals[UNSELECT_CHILD] =
214 gtk_signal_new ("unselect_child",
217 GTK_SIGNAL_OFFSET (GtkListClass, unselect_child),
218 gtk_marshal_NONE__POINTER,
222 gtk_object_class_add_signals (object_class, list_signals, LAST_SIGNAL);
224 object_class->shutdown = gtk_list_shutdown;
226 widget_class->map = gtk_list_map;
227 widget_class->unmap = gtk_list_unmap;
228 widget_class->style_set = gtk_list_style_set;
229 widget_class->realize = gtk_list_realize;
230 widget_class->draw = gtk_list_draw;
231 widget_class->expose_event = gtk_list_expose;
232 widget_class->button_press_event = gtk_list_button_press;
233 widget_class->button_release_event = gtk_list_button_release;
234 widget_class->motion_notify_event = gtk_list_motion_notify;
235 widget_class->size_request = gtk_list_size_request;
236 widget_class->size_allocate = gtk_list_size_allocate;
237 widget_class->drag_begin = gtk_list_drag_begin;
239 container_class->add = gtk_list_add;
240 container_class->remove = gtk_list_remove;
241 container_class->forall = gtk_list_forall;
242 container_class->child_type = gtk_list_child_type;
243 container_class->set_focus_child = gtk_list_set_focus_child;
244 container_class->focus = gtk_list_focus;
246 class->selection_changed = NULL;
247 class->select_child = gtk_real_list_select_child;
248 class->unselect_child = gtk_real_list_unselect_child;
252 gtk_list_init (GtkList *list)
254 list->children = NULL;
255 list->selection = NULL;
257 list->undo_selection = NULL;
258 list->undo_unselection = NULL;
260 list->last_focus_child = NULL;
261 list->undo_focus_child = NULL;
268 list->anchor_state = GTK_STATE_SELECTED;
270 list->selection_mode = GTK_SELECTION_SINGLE;
271 list->drag_selection = FALSE;
272 list->add_mode = FALSE;
278 return GTK_WIDGET (gtk_type_new (GTK_TYPE_LIST));
282 /* Private GtkObject Methods :
287 gtk_list_shutdown (GtkObject *object)
289 gtk_list_clear_items (GTK_LIST (object), 0, -1);
290 GTK_OBJECT_CLASS (parent_class)->shutdown (object);
294 /* Private GtkWidget Methods :
296 * gtk_list_size_request
297 * gtk_list_size_allocate
301 * gtk_list_motion_notify
302 * gtk_list_button_press
303 * gtk_list_button_release
306 gtk_list_size_request (GtkWidget *widget,
307 GtkRequisition *requisition)
313 g_return_if_fail (widget != NULL);
314 g_return_if_fail (GTK_IS_LIST (widget));
315 g_return_if_fail (requisition != NULL);
317 list = GTK_LIST (widget);
318 requisition->width = 0;
319 requisition->height = 0;
321 children = list->children;
324 child = children->data;
325 children = children->next;
327 if (GTK_WIDGET_VISIBLE (child))
329 gtk_widget_size_request (child, &child->requisition);
331 requisition->width = MAX (requisition->width,
332 child->requisition.width);
333 requisition->height += child->requisition.height;
337 requisition->width += GTK_CONTAINER (list)->border_width * 2;
338 requisition->height += GTK_CONTAINER (list)->border_width * 2;
340 requisition->width = MAX (requisition->width, 1);
341 requisition->height = MAX (requisition->height, 1);
345 gtk_list_size_allocate (GtkWidget *widget,
346 GtkAllocation *allocation)
350 GtkAllocation child_allocation;
353 g_return_if_fail (widget != NULL);
354 g_return_if_fail (GTK_IS_LIST (widget));
355 g_return_if_fail (allocation != NULL);
357 list = GTK_LIST (widget);
359 widget->allocation = *allocation;
360 if (GTK_WIDGET_REALIZED (widget))
361 gdk_window_move_resize (widget->window,
362 allocation->x, allocation->y,
363 allocation->width, allocation->height);
367 child_allocation.x = GTK_CONTAINER (list)->border_width;
368 child_allocation.y = GTK_CONTAINER (list)->border_width;
369 child_allocation.width = MAX (1, (gint)allocation->width -
370 child_allocation.x * 2);
372 children = list->children;
376 child = children->data;
377 children = children->next;
379 if (GTK_WIDGET_VISIBLE (child))
381 child_allocation.height = child->requisition.height;
383 gtk_widget_size_allocate (child, &child_allocation);
385 child_allocation.y += child_allocation.height;
392 gtk_list_realize (GtkWidget *widget)
394 GdkWindowAttr attributes;
395 gint attributes_mask;
397 g_return_if_fail (widget != NULL);
398 g_return_if_fail (GTK_IS_LIST (widget));
400 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
402 attributes.window_type = GDK_WINDOW_CHILD;
403 attributes.x = widget->allocation.x;
404 attributes.y = widget->allocation.y;
405 attributes.width = widget->allocation.width;
406 attributes.height = widget->allocation.height;
407 attributes.wclass = GDK_INPUT_OUTPUT;
408 attributes.visual = gtk_widget_get_visual (widget);
409 attributes.colormap = gtk_widget_get_colormap (widget);
410 attributes.event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
412 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
414 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
415 &attributes, attributes_mask);
416 gdk_window_set_user_data (widget->window, widget);
418 widget->style = gtk_style_attach (widget->style, widget->window);
419 gdk_window_set_background (widget->window,
420 &widget->style->base[GTK_STATE_NORMAL]);
424 gtk_list_map (GtkWidget *widget)
430 g_return_if_fail (widget != NULL);
431 g_return_if_fail (GTK_IS_LIST (widget));
433 GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
434 list = GTK_LIST (widget);
436 children = list->children;
439 child = children->data;
440 children = children->next;
442 if (GTK_WIDGET_VISIBLE (child) &&
443 !GTK_WIDGET_MAPPED (child))
444 gtk_widget_map (child);
447 gdk_window_show (widget->window);
451 gtk_list_unmap (GtkWidget *widget)
455 g_return_if_fail (widget != NULL);
456 g_return_if_fail (GTK_IS_LIST (widget));
458 if (!GTK_WIDGET_MAPPED (widget))
461 list = GTK_LIST (widget);
463 GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
465 if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (list))
467 gtk_list_end_drag_selection (list);
469 if (list->anchor != -1 && list->selection_mode == GTK_SELECTION_EXTENDED)
470 gtk_list_end_selection (list);
473 gdk_window_hide (widget->window);
477 gtk_list_motion_notify (GtkWidget *widget,
478 GdkEventMotion *event)
481 GtkWidget *item = NULL;
483 GtkContainer *container;
491 g_return_val_if_fail (widget != NULL, FALSE);
492 g_return_val_if_fail (GTK_IS_LIST (widget), FALSE);
493 g_return_val_if_fail (event != NULL, FALSE);
495 list = GTK_LIST (widget);
497 if (!list->drag_selection || !list->children)
500 container = GTK_CONTAINER (widget);
502 if (event->is_hint || event->window != widget->window)
503 gdk_window_get_pointer (widget->window, &x, &y, NULL);
505 adj = gtk_object_get_data_by_id (GTK_OBJECT (list), hadjustment_key_id);
507 /* horizontal autoscrolling */
508 if (adj && widget->allocation.width > adj->page_size &&
509 (x < adj->value || x >= adj->value + adj->page_size))
511 if (list->htimer == 0)
513 list->htimer = gtk_timeout_add
514 (SCROLL_TIME, (GtkFunction) gtk_list_horizontal_timeout, widget);
516 if (!((x < adj->value && adj->value <= 0) ||
517 (x > adj->value + adj->page_size &&
518 adj->value >= adj->upper - adj->page_size)))
523 value = adj->value + (x - adj->value) / 2 - 1;
525 value = adj->value + 1 + (x - adj->value - adj->page_size) / 2;
527 gtk_adjustment_set_value (adj,
529 adj->upper - adj->page_size));
537 /* vertical autoscrolling */
538 for (work = list->children; work; length++, work = work->next)
542 item = GTK_WIDGET (work->data);
543 if (item->allocation.y > y ||
544 (item->allocation.y <= y &&
545 item->allocation.y + item->allocation.height > y))
549 if (work->data == container->focus_child)
556 if (list->vtimer != 0)
559 if (!((y < 0 && focus_row == 0) ||
560 (y > widget->allocation.height && focus_row >= length - 1)))
561 list->vtimer = gtk_timeout_add (SCROLL_TIME,
562 (GtkFunction) gtk_list_vertical_timeout,
565 if (row != focus_row)
566 gtk_widget_grab_focus (item);
568 switch (list->selection_mode)
570 case GTK_SELECTION_BROWSE:
571 gtk_list_select_child (list, item);
573 case GTK_SELECTION_EXTENDED:
574 gtk_list_update_extended_selection (list, row);
584 gtk_list_button_press (GtkWidget *widget,
585 GdkEventButton *event)
590 g_return_val_if_fail (widget != NULL, FALSE);
591 g_return_val_if_fail (GTK_IS_LIST (widget), FALSE);
592 g_return_val_if_fail (event != NULL, FALSE);
594 if (event->button != 1)
597 list = GTK_LIST (widget);
598 item = gtk_get_event_widget ((GdkEvent*) event);
600 while (item && !GTK_IS_LIST_ITEM (item))
603 if (item && (item->parent == widget))
608 if (event->type == GDK_BUTTON_PRESS)
610 if (gdk_pointer_grab (widget->window, TRUE,
611 GDK_POINTER_MOTION_HINT_MASK |
612 GDK_BUTTON1_MOTION_MASK |
613 GDK_BUTTON_RELEASE_MASK,
614 NULL, NULL, event->time))
617 gtk_grab_add (widget);
618 list->drag_selection = TRUE;
620 else if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (list))
621 gtk_list_end_drag_selection (list);
623 if (!GTK_WIDGET_HAS_FOCUS(item))
624 gtk_widget_grab_focus (item);
628 list->add_mode = FALSE;
629 gtk_widget_queue_draw (item);
632 switch (list->selection_mode)
634 case GTK_SELECTION_SINGLE:
635 case GTK_SELECTION_MULTIPLE:
636 if (event->type != GDK_BUTTON_PRESS)
637 gtk_list_select_child (list, item);
639 list->undo_focus_child = item;
642 case GTK_SELECTION_BROWSE:
645 case GTK_SELECTION_EXTENDED:
646 focus_row = g_list_index (list->children, item);
648 if (list->last_focus_child)
649 last_focus_row = g_list_index (list->children,
650 list->last_focus_child);
653 last_focus_row = focus_row;
654 list->last_focus_child = item;
657 if (event->type != GDK_BUTTON_PRESS)
659 if (list->anchor >= 0)
661 gtk_list_update_extended_selection (list, focus_row);
662 gtk_list_end_selection (list);
664 gtk_list_select_child (list, item);
668 if (event->state & GDK_CONTROL_MASK)
670 if (event->state & GDK_SHIFT_MASK)
672 if (list->anchor < 0)
674 g_list_free (list->undo_selection);
675 g_list_free (list->undo_unselection);
676 list->undo_selection = NULL;
677 list->undo_unselection = NULL;
679 list->anchor = last_focus_row;
680 list->drag_pos = last_focus_row;
681 list->undo_focus_child = list->last_focus_child;
683 gtk_list_update_extended_selection (list, focus_row);
687 if (list->anchor < 0)
688 gtk_list_set_anchor (list, TRUE,
689 focus_row, list->last_focus_child);
691 gtk_list_update_extended_selection (list, focus_row);
696 if (event->state & GDK_SHIFT_MASK)
698 gtk_list_set_anchor (list, FALSE,
699 last_focus_row, list->last_focus_child);
700 gtk_list_update_extended_selection (list, focus_row);
704 if (list->anchor < 0)
705 gtk_list_set_anchor (list, FALSE, focus_row,
706 list->last_focus_child);
708 gtk_list_update_extended_selection (list, focus_row);
720 gtk_list_button_release (GtkWidget *widget,
721 GdkEventButton *event)
726 g_return_val_if_fail (widget != NULL, FALSE);
727 g_return_val_if_fail (GTK_IS_LIST (widget), FALSE);
728 g_return_val_if_fail (event != NULL, FALSE);
730 list = GTK_LIST (widget);
732 /* we don't handle button 2 and 3 */
733 if (event->button != 1)
736 if (list->drag_selection)
738 gtk_list_end_drag_selection (list);
740 switch (list->selection_mode)
742 case GTK_SELECTION_EXTENDED:
743 if (!(event->state & GDK_SHIFT_MASK))
744 gtk_list_end_selection (list);
747 case GTK_SELECTION_SINGLE:
748 case GTK_SELECTION_MULTIPLE:
750 item = gtk_get_event_widget ((GdkEvent*) event);
752 while (item && !GTK_IS_LIST_ITEM (item))
755 if (item && item->parent == widget)
757 if (list->undo_focus_child == item)
758 gtk_list_toggle_row (list, item);
760 list->undo_focus_child = NULL;
772 gtk_list_draw (GtkWidget *widget,
777 GdkRectangle child_area;
780 g_return_if_fail (widget != NULL);
781 g_return_if_fail (GTK_IS_LIST (widget));
782 g_return_if_fail (area != NULL);
784 if (GTK_WIDGET_DRAWABLE (widget))
786 list = GTK_LIST (widget);
788 children = list->children;
791 child = children->data;
792 children = children->next;
794 if (gtk_widget_intersect (child, area, &child_area))
795 gtk_widget_draw (child, &child_area);
801 gtk_list_expose (GtkWidget *widget,
802 GdkEventExpose *event)
806 GdkEventExpose child_event;
809 g_return_val_if_fail (widget != NULL, FALSE);
810 g_return_val_if_fail (GTK_IS_LIST (widget), FALSE);
811 g_return_val_if_fail (event != NULL, FALSE);
813 if (GTK_WIDGET_DRAWABLE (widget))
815 list = GTK_LIST (widget);
817 child_event = *event;
819 children = list->children;
822 child = children->data;
823 children = children->next;
825 if (GTK_WIDGET_NO_WINDOW (child) &&
826 gtk_widget_intersect (child, &event->area, &child_event.area))
827 gtk_widget_event (child, (GdkEvent*) &child_event);
835 gtk_list_style_set (GtkWidget *widget,
836 GtkStyle *previous_style)
838 g_return_if_fail (widget != NULL);
840 if (previous_style && GTK_WIDGET_REALIZED (widget))
841 gdk_window_set_background (widget->window, &widget->style->base[GTK_WIDGET_STATE (widget)]);
844 /* GtkContainer Methods :
848 * gtk_list_child_type
849 * gtk_list_set_focus_child
853 gtk_list_add (GtkContainer *container,
858 g_return_if_fail (container != NULL);
859 g_return_if_fail (GTK_IS_LIST (container));
860 g_return_if_fail (widget != NULL);
861 g_return_if_fail (GTK_IS_LIST_ITEM (widget));
863 item_list = g_list_alloc ();
864 item_list->data = widget;
866 gtk_list_append_items (GTK_LIST (container), item_list);
870 gtk_list_remove (GtkContainer *container,
875 g_return_if_fail (container != NULL);
876 g_return_if_fail (GTK_IS_LIST (container));
877 g_return_if_fail (widget != NULL);
878 g_return_if_fail (container == GTK_CONTAINER (widget->parent));
880 item_list = g_list_alloc ();
881 item_list->data = widget;
883 gtk_list_remove_items (GTK_LIST (container), item_list);
885 g_list_free (item_list);
889 gtk_list_forall (GtkContainer *container,
890 gboolean include_internals,
891 GtkCallback callback,
892 gpointer callback_data)
898 g_return_if_fail (container != NULL);
899 g_return_if_fail (GTK_IS_LIST (container));
900 g_return_if_fail (callback != NULL);
902 list = GTK_LIST (container);
903 children = list->children;
907 child = children->data;
908 children = children->next;
910 (* callback) (child, callback_data);
915 gtk_list_child_type (GtkContainer *container)
917 return GTK_TYPE_LIST_ITEM;
921 gtk_list_set_focus_child (GtkContainer *container,
926 g_return_if_fail (container != NULL);
927 g_return_if_fail (GTK_IS_LIST (container));
930 g_return_if_fail (GTK_IS_WIDGET (child));
932 list = GTK_LIST (container);
934 if (child != container->focus_child)
936 if (container->focus_child)
938 list->last_focus_child = container->focus_child;
939 gtk_widget_unref (container->focus_child);
941 container->focus_child = child;
942 if (container->focus_child)
943 gtk_widget_ref (container->focus_child);
946 /* check for v adjustment */
947 if (container->focus_child)
949 GtkAdjustment *adjustment;
951 adjustment = gtk_object_get_data_by_id (GTK_OBJECT (container),
954 gtk_adjustment_clamp_page (adjustment,
955 container->focus_child->allocation.y,
956 (container->focus_child->allocation.y +
957 container->focus_child->allocation.height));
958 switch (list->selection_mode)
960 case GTK_SELECTION_BROWSE:
961 gtk_list_select_child (list, child);
963 case GTK_SELECTION_EXTENDED:
964 if (!list->last_focus_child && !list->add_mode)
966 list->undo_focus_child = list->last_focus_child;
967 gtk_list_unselect_all (list);
968 gtk_list_select_child (list, child);
978 gtk_list_focus (GtkContainer *container,
979 GtkDirectionType direction)
981 gint return_val = FALSE;
983 g_return_val_if_fail (container != NULL, FALSE);
984 g_return_val_if_fail (GTK_IS_LIST (container), FALSE);
986 if (container->focus_child == NULL ||
987 !GTK_WIDGET_HAS_FOCUS (container->focus_child))
989 if (GTK_LIST (container)->last_focus_child)
990 gtk_container_set_focus_child
991 (container, GTK_LIST (container)->last_focus_child);
993 if (GTK_CONTAINER_CLASS (parent_class)->focus)
994 return_val = GTK_CONTAINER_CLASS (parent_class)->focus (container,
1002 list = GTK_LIST (container);
1003 if (list->selection_mode == GTK_SELECTION_EXTENDED && list->anchor >= 0)
1004 gtk_list_end_selection (list);
1006 if (container->focus_child)
1007 list->last_focus_child = container->focus_child;
1014 /* Public GtkList Methods :
1016 * gtk_list_insert_items
1017 * gtk_list_append_items
1018 * gtk_list_prepend_items
1019 * gtk_list_remove_items
1020 * gtk_list_remove_items_no_unref
1021 * gtk_list_clear_items
1023 * gtk_list_child_position
1026 gtk_list_insert_items (GtkList *list,
1035 g_return_if_fail (list != NULL);
1036 g_return_if_fail (GTK_IS_LIST (list));
1041 gtk_list_end_drag_selection (list);
1042 if (list->selection_mode == GTK_SELECTION_EXTENDED && list->anchor >= 0)
1043 gtk_list_end_selection (list);
1048 widget = tmp_list->data;
1049 tmp_list = tmp_list->next;
1051 gtk_widget_set_parent (widget, GTK_WIDGET (list));
1052 gtk_signal_connect (GTK_OBJECT (widget), "drag_begin",
1053 GTK_SIGNAL_FUNC (gtk_list_signal_drag_begin),
1055 gtk_signal_connect (GTK_OBJECT (widget), "toggle_focus_row",
1056 GTK_SIGNAL_FUNC (gtk_list_signal_toggle_focus_row),
1058 gtk_signal_connect (GTK_OBJECT (widget), "select_all",
1059 GTK_SIGNAL_FUNC (gtk_list_signal_select_all),
1061 gtk_signal_connect (GTK_OBJECT (widget), "unselect_all",
1062 GTK_SIGNAL_FUNC (gtk_list_signal_unselect_all),
1064 gtk_signal_connect (GTK_OBJECT (widget), "undo_selection",
1065 GTK_SIGNAL_FUNC (gtk_list_signal_undo_selection),
1067 gtk_signal_connect (GTK_OBJECT (widget), "start_selection",
1068 GTK_SIGNAL_FUNC (gtk_list_signal_start_selection),
1070 gtk_signal_connect (GTK_OBJECT (widget), "end_selection",
1071 GTK_SIGNAL_FUNC (gtk_list_signal_end_selection),
1073 gtk_signal_connect (GTK_OBJECT (widget), "extend_selection",
1074 GTK_SIGNAL_FUNC (gtk_list_signal_extend_selection),
1076 gtk_signal_connect (GTK_OBJECT (widget), "scroll_horizontal",
1077 GTK_SIGNAL_FUNC (gtk_list_signal_scroll_horizontal),
1079 gtk_signal_connect (GTK_OBJECT (widget), "scroll_vertical",
1080 GTK_SIGNAL_FUNC (gtk_list_signal_scroll_vertical),
1082 gtk_signal_connect (GTK_OBJECT (widget), "toggle_add_mode",
1083 GTK_SIGNAL_FUNC (gtk_list_signal_toggle_add_mode),
1085 gtk_signal_connect (GTK_OBJECT (widget), "select",
1086 GTK_SIGNAL_FUNC (gtk_list_signal_item_select),
1088 gtk_signal_connect (GTK_OBJECT (widget), "deselect",
1089 GTK_SIGNAL_FUNC (gtk_list_signal_item_deselect),
1091 gtk_signal_connect (GTK_OBJECT (widget), "toggle",
1092 GTK_SIGNAL_FUNC (gtk_list_signal_item_toggle),
1095 if (GTK_WIDGET_VISIBLE (widget->parent))
1097 if (GTK_WIDGET_REALIZED (widget->parent) &&
1098 !GTK_WIDGET_REALIZED (widget))
1099 gtk_widget_realize (widget);
1101 if (GTK_WIDGET_MAPPED (widget->parent) &&
1102 !GTK_WIDGET_MAPPED (widget))
1103 gtk_widget_map (widget);
1107 nchildren = g_list_length (list->children);
1108 if ((position < 0) || (position > nchildren))
1109 position = nchildren;
1111 if (position == nchildren)
1115 tmp_list = g_list_last (list->children);
1116 tmp_list->next = items;
1117 items->prev = tmp_list;
1121 list->children = items;
1126 tmp_list = g_list_nth (list->children, position);
1127 last = g_list_last (items);
1130 tmp_list->prev->next = items;
1131 last->next = tmp_list;
1132 items->prev = tmp_list->prev;
1133 tmp_list->prev = last;
1135 if (tmp_list == list->children)
1136 list->children = items;
1139 if (list->children && !list->selection &&
1140 (list->selection_mode == GTK_SELECTION_BROWSE))
1142 widget = list->children->data;
1143 gtk_list_select_child (list, widget);
1146 if (GTK_WIDGET_VISIBLE (list))
1147 gtk_widget_queue_resize (GTK_WIDGET (list));
1151 gtk_list_append_items (GtkList *list,
1154 g_return_if_fail (list != NULL);
1155 g_return_if_fail (GTK_IS_LIST (list));
1157 gtk_list_insert_items (list, items, -1);
1161 gtk_list_prepend_items (GtkList *list,
1164 g_return_if_fail (list != NULL);
1165 g_return_if_fail (GTK_IS_LIST (list));
1167 gtk_list_insert_items (list, items, 0);
1171 gtk_list_remove_items (GtkList *list,
1174 gtk_list_remove_items_internal (list, items, FALSE);
1178 gtk_list_remove_items_no_unref (GtkList *list,
1181 gtk_list_remove_items_internal (list, items, TRUE);
1185 gtk_list_clear_items (GtkList *list,
1189 GtkContainer *container;
1191 GtkWidget *new_focus_child = NULL;
1196 gboolean grab_focus = FALSE;
1198 g_return_if_fail (list != NULL);
1199 g_return_if_fail (GTK_IS_LIST (list));
1201 nchildren = g_list_length (list->children);
1206 if ((end < 0) || (end > nchildren))
1212 container = GTK_CONTAINER (list);
1214 gtk_list_end_drag_selection (list);
1215 if (list->selection_mode == GTK_SELECTION_EXTENDED)
1217 if (list->anchor >= 0)
1218 gtk_list_end_selection (list);
1220 gtk_list_reset_extended_selection (list);
1223 start_list = g_list_nth (list->children, start);
1224 end_list = g_list_nth (list->children, end);
1226 if (start_list->prev)
1227 start_list->prev->next = end_list;
1228 if (end_list && end_list->prev)
1229 end_list->prev->next = NULL;
1231 end_list->prev = start_list->prev;
1232 if (start_list == list->children)
1233 list->children = end_list;
1235 if (container->focus_child)
1237 if (g_list_find (start_list, container->focus_child))
1239 if (start_list->prev)
1240 new_focus_child = start_list->prev->data;
1241 else if (list->children)
1242 new_focus_child = list->children->prev->data;
1244 if (GTK_WIDGET_HAS_FOCUS (container->focus_child))
1249 tmp_list = start_list;
1252 widget = tmp_list->data;
1253 tmp_list = tmp_list->next;
1255 if (widget->state == GTK_STATE_SELECTED)
1256 gtk_list_unselect_child (list, widget);
1258 if (widget == list->undo_focus_child)
1259 list->undo_focus_child = NULL;
1260 if (widget == list->last_focus_child)
1261 list->last_focus_child = NULL;
1263 gtk_signal_disconnect_by_data (GTK_OBJECT (widget), (gpointer) list);
1264 gtk_widget_unparent (widget);
1267 g_list_free (start_list);
1269 if (new_focus_child)
1272 gtk_widget_grab_focus (new_focus_child);
1273 else if (container->focus_child)
1274 gtk_container_set_focus_child (container, new_focus_child);
1276 if ((list->selection_mode == GTK_SELECTION_BROWSE ||
1277 list->selection_mode == GTK_SELECTION_EXTENDED) && !list->selection)
1279 list->last_focus_child = new_focus_child;
1280 gtk_list_select_child (list, new_focus_child);
1284 if (GTK_WIDGET_VISIBLE (list))
1285 gtk_widget_queue_resize (GTK_WIDGET (list));
1289 gtk_list_child_position (GtkList *list,
1295 g_return_val_if_fail (list != NULL, -1);
1296 g_return_val_if_fail (GTK_IS_LIST (list), -1);
1297 g_return_val_if_fail (child != NULL, -1);
1300 children = list->children;
1304 if (child == GTK_WIDGET (children->data))
1308 children = children->next;
1315 /* Private GtkList Insert/Remove Item Functions:
1317 * gtk_list_remove_items_internal
1320 gtk_list_remove_items_internal (GtkList *list,
1325 GtkWidget *new_focus_child;
1326 GtkWidget *old_focus_child;
1327 GtkContainer *container;
1330 gboolean grab_focus = FALSE;
1332 g_return_if_fail (list != NULL);
1333 g_return_if_fail (GTK_IS_LIST (list));
1338 container = GTK_CONTAINER (list);
1340 gtk_list_end_drag_selection (list);
1341 if (list->selection_mode == GTK_SELECTION_EXTENDED)
1343 if (list->anchor >= 0)
1344 gtk_list_end_selection (list);
1346 gtk_list_reset_extended_selection (list);
1352 widget = tmp_list->data;
1353 tmp_list = tmp_list->next;
1355 if (widget->state == GTK_STATE_SELECTED)
1356 gtk_list_unselect_child (list, widget);
1359 if (container->focus_child)
1361 old_focus_child = new_focus_child = container->focus_child;
1362 if (GTK_WIDGET_HAS_FOCUS (container->focus_child))
1366 old_focus_child = new_focus_child = list->last_focus_child;
1371 widget = tmp_list->data;
1372 tmp_list = tmp_list->next;
1375 gtk_widget_ref (widget);
1377 if (widget == new_focus_child)
1379 work = g_list_find (list->children, widget);
1384 new_focus_child = work->next->data;
1385 else if (list->children != work && work->prev)
1386 new_focus_child = work->prev->data;
1388 new_focus_child = NULL;
1392 if (widget == list->undo_focus_child)
1393 list->undo_focus_child = NULL;
1394 if (widget == list->last_focus_child)
1395 list->last_focus_child = NULL;
1397 gtk_signal_disconnect_by_data (GTK_OBJECT (widget), (gpointer) list);
1398 list->children = g_list_remove (list->children, widget);
1399 gtk_widget_unparent (widget);
1402 if (new_focus_child && new_focus_child != old_focus_child)
1405 gtk_widget_grab_focus (new_focus_child);
1406 else if (container->focus_child)
1407 gtk_container_set_focus_child (container, new_focus_child);
1409 if ((list->selection_mode == GTK_SELECTION_BROWSE ||
1410 list->selection_mode == GTK_SELECTION_EXTENDED) && !list->selection)
1412 list->last_focus_child = new_focus_child;
1413 gtk_list_select_child (list, new_focus_child);
1417 if (GTK_WIDGET_VISIBLE (list))
1418 gtk_widget_queue_resize (GTK_WIDGET (list));
1422 /* Public GtkList Selection Methods :
1424 * gtk_list_set_selection_mode
1425 * gtk_list_select_item
1426 * gtk_list_unselect_item
1427 * gtk_list_select_child
1428 * gtk_list_unselect_child
1429 * gtk_list_select_all
1430 * gtk_list_unselect_all
1431 * gtk_list_extend_selection
1432 * gtk_list_end_drag_selection
1433 * gtk_list_start_selection
1434 * gtk_list_end_selection
1435 * gtk_list_toggle_row
1436 * gtk_list_toggle_focus_row
1437 * gtk_list_toggle_add_mode
1438 * gtk_list_undo_selection
1441 gtk_list_set_selection_mode (GtkList *list,
1442 GtkSelectionMode mode)
1444 g_return_if_fail (list != NULL);
1445 g_return_if_fail (GTK_IS_LIST (list));
1447 if (list->selection_mode == mode)
1450 list->selection_mode = mode;
1454 case GTK_SELECTION_SINGLE:
1455 case GTK_SELECTION_BROWSE:
1456 gtk_list_unselect_all (list);
1464 gtk_list_select_item (GtkList *list,
1469 g_return_if_fail (list != NULL);
1470 g_return_if_fail (GTK_IS_LIST (list));
1472 tmp_list = g_list_nth (list->children, item);
1474 gtk_list_select_child (list, GTK_WIDGET (tmp_list->data));
1478 gtk_list_unselect_item (GtkList *list,
1483 g_return_if_fail (list != NULL);
1484 g_return_if_fail (GTK_IS_LIST (list));
1486 tmp_list = g_list_nth (list->children, item);
1488 gtk_list_unselect_child (list, GTK_WIDGET (tmp_list->data));
1492 gtk_list_select_child (GtkList *list,
1495 gtk_signal_emit (GTK_OBJECT (list), list_signals[SELECT_CHILD], child);
1499 gtk_list_unselect_child (GtkList *list,
1502 gtk_signal_emit (GTK_OBJECT (list), list_signals[UNSELECT_CHILD], child);
1506 gtk_list_select_all (GtkList *list)
1508 GtkContainer *container;
1511 g_return_if_fail (list != NULL);
1512 g_return_if_fail (GTK_IS_LIST (list));
1514 if (!list->children)
1517 if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (list))
1518 gtk_list_end_drag_selection (list);
1520 if (list->selection_mode == GTK_SELECTION_EXTENDED && list->anchor >= 0)
1521 gtk_list_end_selection (list);
1523 container = GTK_CONTAINER (list);
1525 switch (list->selection_mode)
1527 case GTK_SELECTION_BROWSE:
1528 if (container->focus_child)
1530 gtk_list_select_child (list, container->focus_child);
1534 case GTK_SELECTION_EXTENDED:
1535 g_list_free (list->undo_selection);
1536 g_list_free (list->undo_unselection);
1537 list->undo_selection = NULL;
1538 list->undo_unselection = NULL;
1540 if (list->children &&
1541 GTK_WIDGET_STATE (list->children->data) != GTK_STATE_SELECTED)
1542 gtk_list_fake_toggle_row (list, GTK_WIDGET (list->children->data));
1544 list->anchor_state = GTK_STATE_SELECTED;
1547 list->undo_focus_child = container->focus_child;
1548 gtk_list_update_extended_selection (list, g_list_length(list->children));
1549 gtk_list_end_selection (list);
1551 case GTK_SELECTION_MULTIPLE:
1552 for (work = list->children; work; work = work->next)
1554 if (GTK_WIDGET_STATE (work->data) == GTK_STATE_NORMAL)
1555 gtk_list_select_child (list, GTK_WIDGET (work->data));
1564 gtk_list_unselect_all (GtkList *list)
1566 GtkContainer *container;
1570 g_return_if_fail (list != NULL);
1571 g_return_if_fail (GTK_IS_LIST (list));
1573 if (!list->children)
1576 if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (list))
1577 gtk_list_end_drag_selection (list);
1579 if (list->selection_mode == GTK_SELECTION_EXTENDED && list->anchor >= 0)
1580 gtk_list_end_selection (list);
1582 container = GTK_CONTAINER (list);
1584 switch (list->selection_mode)
1586 case GTK_SELECTION_BROWSE:
1587 if (container->focus_child)
1589 gtk_list_select_child (list, container->focus_child);
1593 case GTK_SELECTION_EXTENDED:
1594 gtk_list_reset_extended_selection (list);
1600 work = list->selection;
1606 gtk_list_unselect_child (list, item);
1611 gtk_list_extend_selection (GtkList *list,
1612 GtkScrollType scroll_type,
1614 gboolean auto_start_selection)
1616 GtkContainer *container;
1618 g_return_if_fail (list != NULL);
1619 g_return_if_fail (GTK_IS_LIST (list));
1621 if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (list)) ||
1622 list->selection_mode != GTK_SELECTION_EXTENDED)
1625 container = GTK_CONTAINER (list);
1627 if (auto_start_selection)
1631 focus_row = g_list_index (list->children, container->focus_child);
1632 gtk_list_set_anchor (list, list->add_mode, focus_row,
1633 container->focus_child);
1635 else if (list->anchor < 0)
1638 gtk_list_move_focus_child (list, scroll_type, position);
1639 gtk_list_update_extended_selection
1640 (list, g_list_index (list->children, container->focus_child));
1644 gtk_list_end_drag_selection (GtkList *list)
1646 g_return_if_fail (list != NULL);
1647 g_return_if_fail (GTK_IS_LIST (list));
1649 list->drag_selection = FALSE;
1650 if (GTK_WIDGET_HAS_GRAB (list))
1652 gtk_grab_remove (GTK_WIDGET (list));
1653 if (gdk_pointer_is_grabbed())
1654 gdk_pointer_ungrab (GDK_CURRENT_TIME);
1658 gtk_timeout_remove (list->htimer);
1663 gtk_timeout_remove (list->vtimer);
1669 gtk_list_start_selection (GtkList *list)
1671 GtkContainer *container;
1674 g_return_if_fail (list != NULL);
1675 g_return_if_fail (GTK_IS_LIST (list));
1677 if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (list))
1680 container = GTK_CONTAINER (list);
1682 if ((focus_row = g_list_index (list->selection, container->focus_child))
1684 gtk_list_set_anchor (list, list->add_mode,
1685 focus_row, container->focus_child);
1689 gtk_list_end_selection (GtkList *list)
1698 g_return_if_fail (list != NULL);
1699 g_return_if_fail (GTK_IS_LIST (list));
1701 if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (list)) ||
1705 i = MIN (list->anchor, list->drag_pos);
1706 e = MAX (list->anchor, list->drag_pos);
1708 top_down = (list->anchor < list->drag_pos);
1711 list->drag_pos = -1;
1713 if (list->undo_selection)
1715 work = list->selection;
1716 list->selection = list->undo_selection;
1717 list->undo_selection = work;
1718 work = list->selection;
1723 item_index = g_list_index (list->children, item);
1724 if (item_index < i || item_index > e)
1726 gtk_widget_set_state (item, GTK_STATE_SELECTED);
1727 gtk_list_unselect_child (list, item);
1728 list->undo_selection = g_list_prepend (list->undo_selection,
1736 for (work = g_list_nth (list->children, i); i <= e;
1737 i++, work = work->next)
1740 if (g_list_find (list->selection, item))
1742 if (item->state == GTK_STATE_NORMAL)
1744 gtk_widget_set_state (item, GTK_STATE_SELECTED);
1745 gtk_list_unselect_child (list, item);
1746 list->undo_selection = g_list_prepend (list->undo_selection,
1750 else if (item->state == GTK_STATE_SELECTED)
1752 gtk_widget_set_state (item, GTK_STATE_NORMAL);
1753 list->undo_unselection = g_list_prepend (list->undo_unselection,
1760 for (work = g_list_nth (list->children, e); i <= e;
1761 e--, work = work->prev)
1764 if (g_list_find (list->selection, item))
1766 if (item->state == GTK_STATE_NORMAL)
1768 gtk_widget_set_state (item, GTK_STATE_SELECTED);
1769 gtk_list_unselect_child (list, item);
1770 list->undo_selection = g_list_prepend (list->undo_selection,
1774 else if (item->state == GTK_STATE_SELECTED)
1776 gtk_widget_set_state (item, GTK_STATE_NORMAL);
1777 list->undo_unselection = g_list_prepend (list->undo_unselection,
1783 for (work = g_list_reverse (list->undo_unselection); work; work = work->next)
1784 gtk_list_select_child (list, GTK_WIDGET (work->data));
1790 gtk_list_toggle_row (GtkList *list,
1793 g_return_if_fail (list != NULL);
1794 g_return_if_fail (GTK_IS_LIST (list));
1795 g_return_if_fail (item != NULL);
1796 g_return_if_fail (GTK_IS_LIST_ITEM (item));
1798 switch (list->selection_mode)
1800 case GTK_SELECTION_EXTENDED:
1801 case GTK_SELECTION_MULTIPLE:
1802 case GTK_SELECTION_SINGLE:
1803 if (item->state == GTK_STATE_SELECTED)
1805 gtk_list_unselect_child (list, item);
1808 case GTK_SELECTION_BROWSE:
1809 gtk_list_select_child (list, item);
1815 gtk_list_toggle_focus_row (GtkList *list)
1817 GtkContainer *container;
1820 g_return_if_fail (list != 0);
1821 g_return_if_fail (GTK_IS_LIST (list));
1823 container = GTK_CONTAINER (list);
1825 if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (list)) ||
1826 !container->focus_child)
1829 switch (list->selection_mode)
1831 case GTK_SELECTION_SINGLE:
1832 case GTK_SELECTION_MULTIPLE:
1833 gtk_list_toggle_row (list, container->focus_child);
1835 case GTK_SELECTION_EXTENDED:
1836 if ((focus_row = g_list_index (list->children, container->focus_child))
1840 g_list_free (list->undo_selection);
1841 g_list_free (list->undo_unselection);
1842 list->undo_selection = NULL;
1843 list->undo_unselection = NULL;
1845 list->anchor = focus_row;
1846 list->drag_pos = focus_row;
1847 list->undo_focus_child = container->focus_child;
1850 gtk_list_fake_toggle_row (list, container->focus_child);
1852 gtk_list_fake_unselect_all (list, container->focus_child);
1854 gtk_list_end_selection (list);
1862 gtk_list_toggle_add_mode (GtkList *list)
1864 GtkContainer *container;
1866 g_return_if_fail (list != 0);
1867 g_return_if_fail (GTK_IS_LIST (list));
1869 if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (list)) ||
1870 list->selection_mode != GTK_SELECTION_EXTENDED)
1873 container = GTK_CONTAINER (list);
1877 list->add_mode = FALSE;
1878 list->anchor_state = GTK_STATE_SELECTED;
1881 list->add_mode = TRUE;
1883 if (container->focus_child)
1884 gtk_widget_queue_draw (container->focus_child);
1888 gtk_list_undo_selection (GtkList *list)
1892 g_return_if_fail (list != NULL);
1893 g_return_if_fail (GTK_IS_LIST (list));
1895 if (list->selection_mode != GTK_SELECTION_EXTENDED ||
1896 (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (list)))
1899 if (list->anchor >= 0)
1900 gtk_list_end_selection (list);
1902 if (!(list->undo_selection || list->undo_unselection))
1904 gtk_list_unselect_all (list);
1908 for (work = list->undo_selection; work; work = work->next)
1909 gtk_list_select_child (list, GTK_WIDGET (work->data));
1911 for (work = list->undo_unselection; work; work = work->next)
1912 gtk_list_unselect_child (list, GTK_WIDGET (work->data));
1914 if (list->undo_focus_child)
1916 GtkContainer *container;
1918 container = GTK_CONTAINER (list);
1920 if (container->focus_child &&
1921 GTK_WIDGET_HAS_FOCUS (container->focus_child))
1922 gtk_widget_grab_focus (list->undo_focus_child);
1924 gtk_container_set_focus_child (container, list->undo_focus_child);
1927 list->undo_focus_child = NULL;
1929 g_list_free (list->undo_selection);
1930 g_list_free (list->undo_unselection);
1931 list->undo_selection = NULL;
1932 list->undo_unselection = NULL;
1936 /* Private GtkList Selection Methods :
1938 * gtk_real_list_select_child
1939 * gtk_real_list_unselect_child
1942 gtk_real_list_select_child (GtkList *list,
1945 g_return_if_fail (list != NULL);
1946 g_return_if_fail (GTK_IS_LIST (list));
1947 g_return_if_fail (child != NULL);
1948 g_return_if_fail (GTK_IS_LIST_ITEM (child));
1950 switch (child->state)
1952 case GTK_STATE_SELECTED:
1953 case GTK_STATE_INSENSITIVE:
1956 gtk_list_item_select (GTK_LIST_ITEM (child));
1962 gtk_real_list_unselect_child (GtkList *list,
1965 g_return_if_fail (list != NULL);
1966 g_return_if_fail (GTK_IS_LIST (list));
1967 g_return_if_fail (child != NULL);
1968 g_return_if_fail (GTK_IS_LIST_ITEM (child));
1970 if (child->state == GTK_STATE_SELECTED)
1971 gtk_list_item_deselect (GTK_LIST_ITEM (child));
1975 /* Private GtkList Selection Functions :
1977 * gtk_list_set_anchor
1978 * gtk_list_fake_unselect_all
1979 * gtk_list_fake_toggle_row
1980 * gtk_list_update_extended_selection
1981 * gtk_list_reset_extended_selection
1984 gtk_list_set_anchor (GtkList *list,
1987 GtkWidget *undo_focus_child)
1991 g_return_if_fail (list != NULL);
1992 g_return_if_fail (GTK_IS_LIST (list));
1994 if (list->selection_mode != GTK_SELECTION_EXTENDED || list->anchor >= 0)
1997 g_list_free (list->undo_selection);
1998 g_list_free (list->undo_unselection);
1999 list->undo_selection = NULL;
2000 list->undo_unselection = NULL;
2002 if ((work = g_list_nth (list->children, anchor)))
2005 gtk_list_fake_toggle_row (list, GTK_WIDGET (work->data));
2008 gtk_list_fake_unselect_all (list, GTK_WIDGET (work->data));
2009 list->anchor_state = GTK_STATE_SELECTED;
2013 list->anchor = anchor;
2014 list->drag_pos = anchor;
2015 list->undo_focus_child = undo_focus_child;
2019 gtk_list_fake_unselect_all (GtkList *list,
2024 if (item && item->state == GTK_STATE_NORMAL)
2025 gtk_widget_set_state (item, GTK_STATE_SELECTED);
2027 list->undo_selection = list->selection;
2028 list->selection = NULL;
2030 for (work = list->undo_selection; work; work = work->next)
2031 if (work->data != item)
2032 gtk_widget_set_state (GTK_WIDGET (work->data), GTK_STATE_NORMAL);
2036 gtk_list_fake_toggle_row (GtkList *list,
2042 if (item->state == GTK_STATE_NORMAL)
2044 list->anchor_state = GTK_STATE_SELECTED;
2045 gtk_widget_set_state (item, GTK_STATE_SELECTED);
2049 list->anchor_state = GTK_STATE_NORMAL;
2050 gtk_widget_set_state (item, GTK_STATE_NORMAL);
2055 gtk_list_update_extended_selection (GtkList *list,
2069 length = g_list_length (list->children);
2073 if (list->selection_mode != GTK_SELECTION_EXTENDED || !list->anchor < 0)
2076 /* extending downwards */
2077 if (row > list->drag_pos && list->anchor <= list->drag_pos)
2079 s2 = list->drag_pos + 1;
2082 /* extending upwards */
2083 else if (row < list->drag_pos && list->anchor >= list->drag_pos)
2086 e2 = list->drag_pos - 1;
2088 else if (row < list->drag_pos && list->anchor < list->drag_pos)
2090 e1 = list->drag_pos;
2091 /* row and drag_pos on different sides of anchor :
2092 take back the selection between anchor and drag_pos,
2093 select between anchor and row */
2094 if (row < list->anchor)
2096 s1 = list->anchor + 1;
2098 e2 = list->anchor - 1;
2100 /* take back the selection between anchor and drag_pos */
2104 else if (row > list->drag_pos && list->anchor > list->drag_pos)
2106 s1 = list->drag_pos;
2107 /* row and drag_pos on different sides of anchor :
2108 take back the selection between anchor and drag_pos,
2109 select between anchor and row */
2110 if (row > list->anchor)
2112 e1 = list->anchor - 1;
2113 s2 = list->anchor + 1;
2116 /* take back the selection between anchor and drag_pos */
2121 list->drag_pos = row;
2123 /* restore the elements between s1 and e1 */
2126 for (i = s1, work = g_list_nth (list->children, i); i <= e1;
2127 i++, work = work->next)
2129 if (g_list_find (list->selection, work->data))
2130 gtk_widget_set_state (GTK_WIDGET (work->data), GTK_STATE_SELECTED);
2132 gtk_widget_set_state (GTK_WIDGET (work->data), GTK_STATE_NORMAL);
2136 /* extend the selection between s2 and e2 */
2139 for (i = s2, work = g_list_nth (list->children, i); i <= e2;
2140 i++, work = work->next)
2141 if (GTK_WIDGET (work->data)->state != list->anchor_state)
2142 gtk_widget_set_state (GTK_WIDGET (work->data), list->anchor_state);
2147 gtk_list_reset_extended_selection (GtkList *list)
2149 g_return_if_fail (list != 0);
2150 g_return_if_fail (GTK_IS_LIST (list));
2152 g_list_free (list->undo_selection);
2153 g_list_free (list->undo_unselection);
2154 list->undo_selection = NULL;
2155 list->undo_unselection = NULL;
2158 list->drag_pos = -1;
2159 list->undo_focus_child = GTK_CONTAINER (list)->focus_child;
2162 /* Public GtkList Scroll Methods :
2164 * gtk_list_scroll_horizontal
2165 * gtk_list_scroll_vertical
2168 gtk_list_scroll_horizontal (GtkList *list,
2169 GtkScrollType scroll_type,
2174 g_return_if_fail (list != 0);
2175 g_return_if_fail (GTK_IS_LIST (list));
2177 if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (list))
2181 gtk_object_get_data_by_id (GTK_OBJECT (list), hadjustment_key_id)))
2184 switch (scroll_type)
2186 case GTK_SCROLL_STEP_BACKWARD:
2187 adj->value = CLAMP (adj->value - adj->step_increment, adj->lower,
2188 adj->upper - adj->page_size);
2190 case GTK_SCROLL_STEP_FORWARD:
2191 adj->value = CLAMP (adj->value + adj->step_increment, adj->lower,
2192 adj->upper - adj->page_size);
2194 case GTK_SCROLL_PAGE_BACKWARD:
2195 adj->value = CLAMP (adj->value - adj->page_increment, adj->lower,
2196 adj->upper - adj->page_size);
2198 case GTK_SCROLL_PAGE_FORWARD:
2199 adj->value = CLAMP (adj->value + adj->page_increment, adj->lower,
2200 adj->upper - adj->page_size);
2202 case GTK_SCROLL_JUMP:
2203 adj->value = CLAMP (adj->lower + (adj->upper - adj->lower) * position,
2204 adj->lower, adj->upper - adj->page_size);
2209 gtk_adjustment_value_changed (adj);
2213 gtk_list_scroll_vertical (GtkList *list,
2214 GtkScrollType scroll_type,
2217 g_return_if_fail (list != NULL);
2218 g_return_if_fail (GTK_IS_LIST (list));
2220 if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (list))
2223 if (list->selection_mode == GTK_SELECTION_EXTENDED)
2225 GtkContainer *container;
2227 if (list->anchor >= 0)
2230 container = GTK_CONTAINER (list);
2231 list->undo_focus_child = container->focus_child;
2232 gtk_list_move_focus_child (list, scroll_type, position);
2233 if (container->focus_child != list->undo_focus_child && !list->add_mode)
2235 gtk_list_unselect_all (list);
2236 gtk_list_select_child (list, container->focus_child);
2240 gtk_list_move_focus_child (list, scroll_type, position);
2244 /* Private GtkList Scroll/Focus Functions :
2246 * gtk_list_move_focus_child
2247 * gtk_list_horizontal_timeout
2248 * gtk_list_vertical_timeout
2251 gtk_list_move_focus_child (GtkList *list,
2252 GtkScrollType scroll_type,
2255 GtkContainer *container;
2261 g_return_if_fail (list != 0);
2262 g_return_if_fail (GTK_IS_LIST (list));
2264 container = GTK_CONTAINER (list);
2266 if (container->focus_child)
2267 work = g_list_find (list->children, container->focus_child);
2269 work = list->children;
2274 switch (scroll_type)
2276 case GTK_SCROLL_STEP_BACKWARD:
2279 gtk_widget_grab_focus (GTK_WIDGET (work->data));
2281 case GTK_SCROLL_STEP_FORWARD:
2284 gtk_widget_grab_focus (GTK_WIDGET (work->data));
2286 case GTK_SCROLL_PAGE_BACKWARD:
2291 adj = gtk_object_get_data_by_id (GTK_OBJECT (list), vadjustment_key_id);
2295 gboolean correct = FALSE;
2297 new_value = adj->value;
2299 if (item->allocation.y <= adj->value)
2301 new_value = MAX (item->allocation.y + item->allocation.height
2302 - adj->page_size, adj->lower);
2306 if (item->allocation.y > new_value)
2307 for (; work; work = work->prev)
2309 item = GTK_WIDGET (work->data);
2310 if (item->allocation.y <= new_value &&
2311 item->allocation.y + item->allocation.height > new_value)
2315 for (; work; work = work->next)
2317 item = GTK_WIDGET (work->data);
2318 if (item->allocation.y <= new_value &&
2319 item->allocation.y + item->allocation.height > new_value)
2323 if (correct && work && work->next && item->allocation.y < new_value)
2324 item = work->next->data;
2327 item = list->children->data;
2329 gtk_widget_grab_focus (item);
2331 case GTK_SCROLL_PAGE_FORWARD:
2336 adj = gtk_object_get_data_by_id (GTK_OBJECT (list), vadjustment_key_id);
2340 gboolean correct = FALSE;
2342 new_value = adj->value;
2344 if (item->allocation.y + item->allocation.height >=
2345 adj->value + adj->page_size)
2347 new_value = item->allocation.y;
2351 new_value = MIN (new_value + adj->page_size, adj->upper);
2353 if (item->allocation.y > new_value)
2354 for (; work; work = work->prev)
2356 item = GTK_WIDGET (work->data);
2357 if (item->allocation.y <= new_value &&
2358 item->allocation.y + item->allocation.height > new_value)
2362 for (; work; work = work->next)
2364 item = GTK_WIDGET (work->data);
2365 if (item->allocation.y <= new_value &&
2366 item->allocation.y + item->allocation.height > new_value)
2370 if (correct && work && work->prev &&
2371 item->allocation.y + item->allocation.height - 1 > new_value)
2372 item = work->prev->data;
2375 item = g_list_last (work)->data;
2377 gtk_widget_grab_focus (item);
2379 case GTK_SCROLL_JUMP:
2380 new_value = GTK_WIDGET(list)->allocation.height * CLAMP (position, 0, 1);
2382 for (item = NULL, work = list->children; work; work =work->next)
2384 item = GTK_WIDGET (work->data);
2385 if (item->allocation.y <= new_value &&
2386 item->allocation.y + item->allocation.height > new_value)
2390 gtk_widget_grab_focus (item);
2398 gtk_list_horizontal_timeout (GtkWidget *list)
2401 GdkEventMotion event;
2402 GdkModifierType mask;
2404 GDK_THREADS_ENTER ();
2406 GTK_LIST (list)->htimer = 0;
2407 gdk_window_get_pointer (list->window, &x, &y, &mask);
2414 gtk_list_motion_notify (list, &event);
2416 GDK_THREADS_LEAVE ();
2422 gtk_list_vertical_timeout (GtkWidget *list)
2426 GdkEventMotion event;
2427 GdkModifierType mask;
2429 GDK_THREADS_ENTER ();
2431 GTK_LIST (list)->vtimer = 0;
2432 gdk_window_get_pointer (list->window, &x, &y, &mask);
2439 gtk_list_motion_notify (list, &event);
2441 GDK_THREADS_LEAVE ();
2447 /* Private GtkListItem Signal Functions :
2449 * gtk_list_signal_toggle_focus_row
2450 * gtk_list_signal_select_all
2451 * gtk_list_signal_unselect_all
2452 * gtk_list_signal_undo_selection
2453 * gtk_list_signal_start_selection
2454 * gtk_list_signal_end_selection
2455 * gtk_list_signal_extend_selection
2456 * gtk_list_signal_scroll_horizontal
2457 * gtk_list_signal_scroll_vertical
2458 * gtk_list_signal_toggle_add_mode
2459 * gtk_list_signal_item_select
2460 * gtk_list_signal_item_deselect
2461 * gtk_list_signal_item_toggle
2464 gtk_list_signal_toggle_focus_row (GtkListItem *list_item,
2467 g_return_if_fail (list_item != 0);
2468 g_return_if_fail (GTK_IS_LIST_ITEM (list_item));
2469 g_return_if_fail (list != NULL);
2470 g_return_if_fail (GTK_IS_LIST (list));
2472 gtk_list_toggle_focus_row (list);
2476 gtk_list_signal_select_all (GtkListItem *list_item,
2479 g_return_if_fail (list_item != 0);
2480 g_return_if_fail (GTK_IS_LIST_ITEM (list_item));
2481 g_return_if_fail (list != NULL);
2482 g_return_if_fail (GTK_IS_LIST (list));
2484 gtk_list_select_all (list);
2488 gtk_list_signal_unselect_all (GtkListItem *list_item,
2491 g_return_if_fail (list_item != 0);
2492 g_return_if_fail (GTK_IS_LIST_ITEM (list_item));
2493 g_return_if_fail (list != NULL);
2494 g_return_if_fail (GTK_IS_LIST (list));
2496 gtk_list_unselect_all (list);
2500 gtk_list_signal_undo_selection (GtkListItem *list_item,
2503 g_return_if_fail (list_item != 0);
2504 g_return_if_fail (GTK_IS_LIST_ITEM (list_item));
2505 g_return_if_fail (list != NULL);
2506 g_return_if_fail (GTK_IS_LIST (list));
2508 gtk_list_undo_selection (list);
2512 gtk_list_signal_start_selection (GtkListItem *list_item,
2515 g_return_if_fail (list_item != 0);
2516 g_return_if_fail (GTK_IS_LIST_ITEM (list_item));
2517 g_return_if_fail (list != NULL);
2518 g_return_if_fail (GTK_IS_LIST (list));
2520 gtk_list_start_selection (list);
2524 gtk_list_signal_end_selection (GtkListItem *list_item,
2527 g_return_if_fail (list_item != 0);
2528 g_return_if_fail (GTK_IS_LIST_ITEM (list_item));
2529 g_return_if_fail (list != NULL);
2530 g_return_if_fail (GTK_IS_LIST (list));
2532 gtk_list_end_selection (list);
2536 gtk_list_signal_extend_selection (GtkListItem *list_item,
2537 GtkScrollType scroll_type,
2539 gboolean auto_start_selection,
2542 g_return_if_fail (list_item != 0);
2543 g_return_if_fail (GTK_IS_LIST_ITEM (list_item));
2544 g_return_if_fail (list != NULL);
2545 g_return_if_fail (GTK_IS_LIST (list));
2547 gtk_list_extend_selection (list, scroll_type, position,
2548 auto_start_selection);
2552 gtk_list_signal_scroll_horizontal (GtkListItem *list_item,
2553 GtkScrollType scroll_type,
2557 g_return_if_fail (list_item != 0);
2558 g_return_if_fail (GTK_IS_LIST_ITEM (list_item));
2559 g_return_if_fail (list != NULL);
2560 g_return_if_fail (GTK_IS_LIST (list));
2562 gtk_list_scroll_horizontal (list, scroll_type, position);
2566 gtk_list_signal_scroll_vertical (GtkListItem *list_item,
2567 GtkScrollType scroll_type,
2571 g_return_if_fail (list_item != 0);
2572 g_return_if_fail (GTK_IS_LIST_ITEM (list_item));
2573 g_return_if_fail (list != NULL);
2574 g_return_if_fail (GTK_IS_LIST (list));
2576 gtk_list_scroll_vertical (list, scroll_type, position);
2580 gtk_list_signal_toggle_add_mode (GtkListItem *list_item,
2583 g_return_if_fail (list_item != 0);
2584 g_return_if_fail (GTK_IS_LIST_ITEM (list_item));
2585 g_return_if_fail (list != NULL);
2586 g_return_if_fail (GTK_IS_LIST (list));
2588 gtk_list_toggle_add_mode (list);
2592 gtk_list_signal_item_select (GtkListItem *list_item,
2599 g_return_if_fail (list_item != 0);
2600 g_return_if_fail (GTK_IS_LIST_ITEM (list_item));
2601 g_return_if_fail (list != NULL);
2602 g_return_if_fail (GTK_IS_LIST (list));
2604 if (GTK_WIDGET (list_item)->state != GTK_STATE_SELECTED)
2607 switch (list->selection_mode)
2609 case GTK_SELECTION_SINGLE:
2610 case GTK_SELECTION_BROWSE:
2612 selection = list->selection;
2616 tmp_list = selection;
2617 selection = selection->next;
2619 if (tmp_list->data == list_item)
2620 sel_list = tmp_list;
2622 gtk_list_item_deselect (GTK_LIST_ITEM (tmp_list->data));
2627 list->selection = g_list_prepend (list->selection, list_item);
2628 gtk_widget_ref (GTK_WIDGET (list_item));
2630 gtk_signal_emit (GTK_OBJECT (list), list_signals[SELECTION_CHANGED]);
2632 case GTK_SELECTION_EXTENDED:
2633 if (list->anchor >= 0)
2635 case GTK_SELECTION_MULTIPLE:
2636 if (!g_list_find (list->selection, list_item))
2638 list->selection = g_list_prepend (list->selection, list_item);
2639 gtk_widget_ref (GTK_WIDGET (list_item));
2640 gtk_signal_emit (GTK_OBJECT (list), list_signals[SELECTION_CHANGED]);
2647 gtk_list_signal_item_deselect (GtkListItem *list_item,
2652 g_return_if_fail (list_item != 0);
2653 g_return_if_fail (GTK_IS_LIST_ITEM (list_item));
2654 g_return_if_fail (list != NULL);
2655 g_return_if_fail (GTK_IS_LIST (list));
2657 if (GTK_WIDGET (list_item)->state != GTK_STATE_NORMAL)
2660 node = g_list_find (list->selection, list_item);
2664 list->selection = g_list_remove_link (list->selection, node);
2665 g_list_free_1 (node);
2666 gtk_widget_unref (GTK_WIDGET (list_item));
2667 gtk_signal_emit (GTK_OBJECT (list), list_signals[SELECTION_CHANGED]);
2672 gtk_list_signal_item_toggle (GtkListItem *list_item,
2675 g_return_if_fail (list_item != 0);
2676 g_return_if_fail (GTK_IS_LIST_ITEM (list_item));
2677 g_return_if_fail (list != NULL);
2678 g_return_if_fail (GTK_IS_LIST (list));
2680 switch (GTK_WIDGET (list_item)->state)
2682 case GTK_STATE_SELECTED:
2683 gtk_list_signal_item_select (list_item, list);
2685 case GTK_STATE_NORMAL:
2686 gtk_list_signal_item_deselect (list_item, list);
2694 gtk_list_signal_drag_begin (GtkWidget *widget,
2695 GdkDragContext *context,
2698 g_return_if_fail (widget != NULL);
2699 g_return_if_fail (GTK_IS_LIST_ITEM (widget));
2700 g_return_if_fail (list != NULL);
2701 g_return_if_fail (GTK_IS_LIST (list));
2703 gtk_list_drag_begin (GTK_WIDGET (list), context);
2707 gtk_list_drag_begin (GtkWidget *widget,
2708 GdkDragContext *context)
2712 g_return_if_fail (widget != NULL);
2713 g_return_if_fail (GTK_IS_LIST (widget));
2714 g_return_if_fail (context != NULL);
2716 list = GTK_LIST (widget);
2718 if (list->drag_selection)
2720 gtk_list_end_drag_selection (list);
2722 switch (list->selection_mode)
2724 case GTK_SELECTION_EXTENDED:
2725 gtk_list_end_selection (list);
2727 case GTK_SELECTION_SINGLE:
2728 case GTK_SELECTION_MULTIPLE:
2729 list->undo_focus_child = NULL;