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.
21 * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
27 #include <gtk/gtklabel.h>
29 #include "gtktreeitem2.h"
30 #include <gtk/gtkeventbox.h>
31 #include <gtk/gtkpixmap.h>
32 #include <gtk/gtkmain.h>
33 #include <gtk/gtksignal.h>
35 #include "tree_plus.xpm"
36 #include "tree_minus.xpm"
38 #define DEFAULT_DELTA 9
46 typedef struct _GtkTree2Pixmaps GtkTree2Pixmaps;
48 struct _GtkTree2Pixmaps {
50 GdkColormap *colormap;
52 GdkPixmap *pixmap_plus;
53 GdkPixmap *pixmap_minus;
55 GdkBitmap *mask_minus;
58 static GList *pixmaps = NULL;
60 static void gtk_tree_item2_class_init (GtkTreeItem2Class *klass);
61 static void gtk_tree_item2_init (GtkTreeItem2 *tree_item);
62 static void gtk_tree_item2_realize (GtkWidget *widget);
63 static void gtk_tree_item2_size_request (GtkWidget *widget,
64 GtkRequisition *requisition);
65 static void gtk_tree_item2_size_allocate (GtkWidget *widget,
66 GtkAllocation *allocation);
67 static void gtk_tree_item2_draw (GtkWidget *widget,
69 static void gtk_tree_item2_draw_focus (GtkWidget *widget);
70 static void gtk_tree_item2_paint (GtkWidget *widget,
72 static gint gtk_tree_item2_button_press (GtkWidget *widget,
73 GdkEventButton *event);
74 static gint gtk_tree_item2_expose (GtkWidget *widget,
75 GdkEventExpose *event);
76 static gint gtk_tree_item2_focus_in (GtkWidget *widget,
77 GdkEventFocus *event);
78 static gint gtk_tree_item2_focus_out (GtkWidget *widget,
79 GdkEventFocus *event);
80 static void gtk_tree_item2_forall (GtkContainer *container,
81 gboolean include_internals,
83 gpointer callback_data);
85 static void gtk_real_tree_item2_select (GtkItem *item);
86 static void gtk_real_tree_item2_deselect (GtkItem *item);
87 static void gtk_real_tree_item2_toggle (GtkItem *item);
88 static void gtk_real_tree_item2_expand (GtkTreeItem2 *item);
89 static void gtk_real_tree_item2_collapse (GtkTreeItem2 *item);
90 static void gtk_real_tree_item2_expand (GtkTreeItem2 *item);
91 static void gtk_real_tree_item2_collapse (GtkTreeItem2 *item);
92 static void gtk_tree_item2_destroy (GtkObject *object);
93 static void gtk_tree_item2_subtree_button_click (GtkWidget *widget);
94 static void gtk_tree_item2_subtree_button_changed_state (GtkWidget *widget);
96 static void gtk_tree_item2_map(GtkWidget*);
97 static void gtk_tree_item2_unmap(GtkWidget*);
99 static void gtk_tree_item2_add_pixmaps (GtkTreeItem2 *tree_item);
100 static void gtk_tree_item2_remove_pixmaps (GtkTreeItem2 *tree_item);
102 static GtkItemClass *parent_class = NULL;
103 static guint tree_item_signals[LAST_SIGNAL] = { 0 };
106 gtk_tree_item2_get_type (void)
108 static GtkType tree_item_type = 0;
112 static const GtkTypeInfo tree_item_info =
115 sizeof (GtkTreeItem2),
116 sizeof (GtkTreeItem2Class),
117 (GtkClassInitFunc) gtk_tree_item2_class_init,
118 (GtkObjectInitFunc) gtk_tree_item2_init,
119 /* reserved_1 */ NULL,
120 /* reserved_2 */ NULL,
121 (GtkClassInitFunc) NULL,
124 tree_item_type = gtk_type_unique (gtk_item_get_type (), &tree_item_info);
127 return tree_item_type;
131 gtk_tree_item2_class_init (GtkTreeItem2Class *class)
133 GtkObjectClass *object_class;
134 GtkWidgetClass *widget_class;
135 GtkContainerClass *container_class;
136 GtkItemClass *item_class;
138 object_class = (GtkObjectClass*) class;
139 widget_class = (GtkWidgetClass*) class;
140 item_class = (GtkItemClass*) class;
141 container_class = (GtkContainerClass*) class;
143 parent_class = gtk_type_class (gtk_item_get_type ());
145 tree_item_signals[EXPAND_TREE] =
146 gtk_signal_new ("expand",
149 GTK_SIGNAL_OFFSET (GtkTreeItem2Class, expand),
150 gtk_marshal_NONE__NONE,
152 tree_item_signals[COLLAPSE_TREE] =
153 gtk_signal_new ("collapse",
156 GTK_SIGNAL_OFFSET (GtkTreeItem2Class, collapse),
157 gtk_marshal_NONE__NONE,
160 gtk_object_class_add_signals (object_class, tree_item_signals, LAST_SIGNAL);
162 object_class->destroy = gtk_tree_item2_destroy;
164 widget_class->realize = gtk_tree_item2_realize;
165 widget_class->size_request = gtk_tree_item2_size_request;
166 widget_class->size_allocate = gtk_tree_item2_size_allocate;
167 widget_class->draw = gtk_tree_item2_draw;
168 widget_class->draw_focus = gtk_tree_item2_draw_focus;
169 widget_class->button_press_event = gtk_tree_item2_button_press;
170 widget_class->expose_event = gtk_tree_item2_expose;
171 widget_class->focus_in_event = gtk_tree_item2_focus_in;
172 widget_class->focus_out_event = gtk_tree_item2_focus_out;
173 widget_class->map = gtk_tree_item2_map;
174 widget_class->unmap = gtk_tree_item2_unmap;
176 container_class->forall = gtk_tree_item2_forall;
178 item_class->select = gtk_real_tree_item2_select;
179 item_class->deselect = gtk_real_tree_item2_deselect;
180 item_class->toggle = gtk_real_tree_item2_toggle;
182 class->expand = gtk_real_tree_item2_expand;
183 class->collapse = gtk_real_tree_item2_collapse;
186 /* callback for event box mouse event */
188 gtk_tree_item2_subtree_button_click (GtkWidget *widget)
192 g_return_if_fail (widget != NULL);
193 g_return_if_fail (GTK_IS_EVENT_BOX (widget));
195 item = (GtkTreeItem2*) gtk_object_get_user_data (GTK_OBJECT (widget));
196 if (!GTK_WIDGET_IS_SENSITIVE (item))
200 gtk_tree_item2_collapse (item);
202 gtk_tree_item2_expand (item);
205 /* callback for event box state changed */
207 gtk_tree_item2_subtree_button_changed_state (GtkWidget *widget)
209 g_return_if_fail (widget != NULL);
210 g_return_if_fail (GTK_IS_EVENT_BOX (widget));
212 if (GTK_WIDGET_VISIBLE (widget))
215 if (widget->state == GTK_STATE_NORMAL)
216 gdk_window_set_background (widget->window, &widget->style->base[widget->state]);
218 gdk_window_set_background (widget->window, &widget->style->bg[widget->state]);
220 if (GTK_WIDGET_DRAWABLE (widget))
221 gdk_window_clear_area (widget->window, 0, 0,
222 widget->allocation.width, widget->allocation.height);
227 gtk_tree_item2_init (GtkTreeItem2 *tree_item)
229 GtkWidget *eventbox, *pixmapwid;
231 g_return_if_fail (tree_item != NULL);
232 g_return_if_fail (GTK_IS_TREE_ITEM2 (tree_item));
234 tree_item->expanded = FALSE;
235 tree_item->subtree = NULL;
236 GTK_WIDGET_SET_FLAGS (tree_item, GTK_CAN_FOCUS);
238 /* create an event box containing one pixmaps */
239 eventbox = gtk_event_box_new();
240 gtk_widget_set_events (eventbox, GDK_BUTTON_PRESS_MASK);
241 gtk_signal_connect(GTK_OBJECT(eventbox), "state_changed",
242 (GtkSignalFunc)gtk_tree_item2_subtree_button_changed_state,
244 gtk_signal_connect(GTK_OBJECT(eventbox), "realize",
245 (GtkSignalFunc)gtk_tree_item2_subtree_button_changed_state,
248 gtk_signal_connect(GTK_OBJECT(eventbox), "button_press_event",
249 (GtkSignalFunc)gtk_tree_item2_subtree_button_click,
252 gtk_object_set_user_data(GTK_OBJECT(eventbox), tree_item);
253 tree_item->pixmaps_box = eventbox;
255 /* create pixmap for button '+' */
256 pixmapwid = gtk_type_new (gtk_pixmap_get_type ());
257 if (!tree_item->expanded)
258 gtk_container_add (GTK_CONTAINER (eventbox), pixmapwid);
259 gtk_widget_show (pixmapwid);
260 tree_item->plus_pix_widget = pixmapwid;
261 gtk_widget_ref (tree_item->plus_pix_widget);
262 gtk_object_sink (GTK_OBJECT (tree_item->plus_pix_widget));
264 /* create pixmap for button '-' */
265 pixmapwid = gtk_type_new (gtk_pixmap_get_type ());
266 if (tree_item->expanded)
267 gtk_container_add (GTK_CONTAINER (eventbox), pixmapwid);
268 gtk_widget_show (pixmapwid);
269 tree_item->minus_pix_widget = pixmapwid;
270 gtk_widget_ref (tree_item->minus_pix_widget);
271 gtk_object_sink (GTK_OBJECT (tree_item->minus_pix_widget));
273 gtk_widget_set_parent (eventbox, GTK_WIDGET (tree_item));
278 gtk_tree_item2_new (void)
280 GtkWidget *tree_item;
282 tree_item = GTK_WIDGET (gtk_type_new (gtk_tree_item2_get_type ()));
288 gtk_tree_item2_new_with_label (gchar *label)
290 GtkWidget *tree_item;
291 GtkWidget *label_widget;
293 tree_item = gtk_tree_item2_new ();
294 label_widget = gtk_label_new (label);
295 gtk_misc_set_alignment (GTK_MISC (label_widget), 0.0, 0.5);
297 gtk_container_add (GTK_CONTAINER (tree_item), label_widget);
298 gtk_widget_show (label_widget);
305 gtk_tree_item2_set_subtree (GtkTreeItem2 *tree_item,
308 g_return_if_fail (tree_item != NULL);
309 g_return_if_fail (GTK_IS_TREE_ITEM2 (tree_item));
310 g_return_if_fail (subtree != NULL);
311 g_return_if_fail (GTK_IS_TREE2 (subtree));
313 if (tree_item->subtree)
315 g_warning("there is already a subtree for this tree item\n");
319 tree_item->subtree = subtree;
320 GTK_TREE2 (subtree)->tree_owner = GTK_WIDGET (tree_item);
322 /* show subtree button */
323 if (tree_item->pixmaps_box)
324 gtk_widget_show (tree_item->pixmaps_box);
326 if (tree_item->expanded)
327 gtk_widget_show (subtree);
329 gtk_widget_hide (subtree);
331 gtk_widget_set_parent (subtree, GTK_WIDGET (tree_item)->parent);
333 if (GTK_WIDGET_REALIZED (subtree->parent))
334 gtk_widget_realize (subtree);
336 if (GTK_WIDGET_VISIBLE (subtree->parent) && GTK_WIDGET_VISIBLE (subtree))
338 if (GTK_WIDGET_MAPPED (subtree->parent))
339 gtk_widget_map (subtree);
341 gtk_widget_queue_resize (subtree);
346 gtk_tree_item2_select (GtkTreeItem2 *tree_item)
348 g_return_if_fail (tree_item != NULL);
349 g_return_if_fail (GTK_IS_TREE_ITEM2 (tree_item));
351 gtk_item_select (GTK_ITEM (tree_item));
355 gtk_tree_item2_deselect (GtkTreeItem2 *tree_item)
357 g_return_if_fail (tree_item != NULL);
358 g_return_if_fail (GTK_IS_TREE_ITEM2 (tree_item));
360 gtk_item_deselect (GTK_ITEM (tree_item));
364 gtk_tree_item2_expand (GtkTreeItem2 *tree_item)
366 g_return_if_fail (tree_item != NULL);
367 g_return_if_fail (GTK_IS_TREE_ITEM2 (tree_item));
369 gtk_signal_emit (GTK_OBJECT (tree_item), tree_item_signals[EXPAND_TREE], NULL);
373 gtk_tree_item2_collapse (GtkTreeItem2 *tree_item)
375 g_return_if_fail (tree_item != NULL);
376 g_return_if_fail (GTK_IS_TREE_ITEM2 (tree_item));
378 gtk_signal_emit (GTK_OBJECT (tree_item), tree_item_signals[COLLAPSE_TREE], NULL);
382 gtk_tree_item2_add_pixmaps (GtkTreeItem2 *tree_item)
385 GdkColormap *colormap;
386 GtkTree2Pixmaps *pixmap_node = NULL;
388 g_return_if_fail (tree_item != NULL);
389 g_return_if_fail (GTK_IS_TREE_ITEM2 (tree_item));
391 if (tree_item->pixmaps)
394 colormap = gtk_widget_get_colormap (GTK_WIDGET (tree_item));
399 pixmap_node = (GtkTree2Pixmaps *)tmp_list->data;
401 if (pixmap_node->colormap == colormap)
404 tmp_list = tmp_list->next;
409 pixmap_node->refcount++;
410 tree_item->pixmaps = tmp_list;
414 pixmap_node = g_new (GtkTree2Pixmaps, 1);
416 pixmap_node->colormap = colormap;
417 gdk_colormap_ref (colormap);
419 pixmap_node->refcount = 1;
421 /* create pixmaps for plus icon */
422 pixmap_node->pixmap_plus =
423 gdk_pixmap_create_from_xpm_d (GTK_WIDGET (tree_item)->window,
424 &pixmap_node->mask_plus,
428 /* create pixmaps for minus icon */
429 pixmap_node->pixmap_minus =
430 gdk_pixmap_create_from_xpm_d (GTK_WIDGET (tree_item)->window,
431 &pixmap_node->mask_minus,
435 tree_item->pixmaps = pixmaps = g_list_prepend (pixmaps, pixmap_node);
438 gtk_pixmap_set (GTK_PIXMAP (tree_item->plus_pix_widget),
439 pixmap_node->pixmap_plus, pixmap_node->mask_plus);
440 gtk_pixmap_set (GTK_PIXMAP (tree_item->minus_pix_widget),
441 pixmap_node->pixmap_minus, pixmap_node->mask_minus);
445 gtk_tree_item2_remove_pixmaps (GtkTreeItem2 *tree_item)
447 g_return_if_fail (tree_item != NULL);
448 g_return_if_fail (GTK_IS_TREE_ITEM2 (tree_item));
450 if (tree_item->pixmaps)
452 GtkTree2Pixmaps *pixmap_node = (GtkTree2Pixmaps *)tree_item->pixmaps->data;
454 g_assert (pixmap_node->refcount > 0);
456 if (--pixmap_node->refcount == 0)
458 gdk_colormap_unref (pixmap_node->colormap);
459 gdk_pixmap_unref (pixmap_node->pixmap_plus);
460 gdk_bitmap_unref (pixmap_node->mask_plus);
461 gdk_pixmap_unref (pixmap_node->pixmap_minus);
462 gdk_bitmap_unref (pixmap_node->mask_minus);
464 pixmaps = g_list_remove_link (pixmaps, tree_item->pixmaps);
465 g_list_free_1 (tree_item->pixmaps);
466 g_free (pixmap_node);
469 tree_item->pixmaps = NULL;
474 gtk_tree_item2_realize (GtkWidget *widget)
476 g_return_if_fail (widget != NULL);
477 g_return_if_fail (GTK_IS_TREE_ITEM2 (widget));
479 if (GTK_WIDGET_CLASS (parent_class)->realize)
480 (* GTK_WIDGET_CLASS (parent_class)->realize) (widget);
482 gdk_window_set_background (widget->window,
483 &widget->style->base[GTK_STATE_NORMAL]);
485 gtk_tree_item2_add_pixmaps (GTK_TREE_ITEM2 (widget));
489 gtk_tree_item2_size_request (GtkWidget *widget,
490 GtkRequisition *requisition)
494 GtkRequisition child_requisition;
496 g_return_if_fail (widget != NULL);
497 g_return_if_fail (GTK_IS_TREE_ITEM2 (widget));
498 g_return_if_fail (requisition != NULL);
500 bin = GTK_BIN (widget);
501 item = GTK_TREE_ITEM2(widget);
503 requisition->width = (GTK_CONTAINER (widget)->border_width +
504 widget->style->klass->xthickness) * 2;
505 requisition->height = GTK_CONTAINER (widget)->border_width * 2;
507 if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
509 GtkRequisition pix_requisition;
511 gtk_widget_size_request (bin->child, &child_requisition);
513 requisition->width += child_requisition.width;
515 gtk_widget_size_request (item->pixmaps_box,
517 requisition->width += pix_requisition.width + DEFAULT_DELTA +
518 GTK_TREE2 (widget->parent)->current_indent;
520 requisition->height += MAX (child_requisition.height,
521 pix_requisition.height);
526 gtk_tree_item2_size_allocate (GtkWidget *widget,
527 GtkAllocation *allocation)
531 GtkAllocation child_allocation;
535 g_return_if_fail (widget != NULL);
536 g_return_if_fail (GTK_IS_TREE_ITEM2 (widget));
537 g_return_if_fail (allocation != NULL);
539 widget->allocation = *allocation;
540 if (GTK_WIDGET_REALIZED (widget))
541 gdk_window_move_resize (widget->window,
542 allocation->x, allocation->y,
543 allocation->width, allocation->height);
545 bin = GTK_BIN (widget);
546 item = GTK_TREE_ITEM2(widget);
550 border_width = (GTK_CONTAINER (widget)->border_width +
551 widget->style->klass->xthickness);
553 child_allocation.x = border_width + GTK_TREE2(widget->parent)->current_indent;
554 child_allocation.y = GTK_CONTAINER (widget)->border_width;
556 child_allocation.width = item->pixmaps_box->requisition.width;
557 child_allocation.height = item->pixmaps_box->requisition.height;
559 temp = allocation->height - child_allocation.height;
560 child_allocation.y += ( temp / 2 ) + ( temp % 2 );
562 gtk_widget_size_allocate (item->pixmaps_box, &child_allocation);
564 child_allocation.y = GTK_CONTAINER (widget)->border_width;
565 child_allocation.height = MAX (1, (gint)allocation->height - child_allocation.y * 2);
566 child_allocation.x += item->pixmaps_box->requisition.width+DEFAULT_DELTA;
568 child_allocation.width =
569 MAX (1, (gint)allocation->width - ((gint)child_allocation.x + border_width));
571 gtk_widget_size_allocate (bin->child, &child_allocation);
576 gtk_tree_item2_draw_lines (GtkWidget *widget)
580 guint lx1, ly1, lx2, ly2;
582 g_return_if_fail (widget != NULL);
583 g_return_if_fail (GTK_IS_TREE_ITEM2 (widget));
585 item = GTK_TREE_ITEM2(widget);
586 tree = GTK_TREE2(widget->parent);
588 /* draw vertical line */
589 lx1 = item->pixmaps_box->allocation.width;
590 lx1 = lx2 = ((lx1 / 2) + (lx1 % 2) +
591 GTK_CONTAINER (widget)->border_width + 1 + tree->current_indent);
593 ly2 = widget->allocation.height;
595 if (g_list_last (tree->children)->data == widget)
596 ly2 = (ly2 / 2) + (ly2 % 2);
598 if (tree != tree->root_tree)
599 gdk_draw_line (widget->window, widget->style->black_gc, lx1, ly1, lx2, ly2);
601 /* draw vertical line for subtree connecting */
602 if(g_list_last(tree->children)->data != (gpointer)widget)
603 ly2 = (ly2 / 2) + (ly2 % 2);
605 lx2 += DEFAULT_DELTA;
607 if (item->subtree && item->expanded)
608 gdk_draw_line (widget->window, widget->style->black_gc,
609 lx2, ly2, lx2, widget->allocation.height);
611 /* draw horizontal line */
615 gdk_draw_line (widget->window, widget->style->black_gc,
618 lx2 -= DEFAULT_DELTA+2;
620 ly2 = widget->allocation.height;
622 if (tree != tree->root_tree)
624 item = GTK_TREE_ITEM2 (tree->tree_owner);
625 tree = GTK_TREE2 (GTK_WIDGET (tree)->parent);
626 while (tree != tree->root_tree)
628 lx1 = lx2 -= tree->indent_value;
630 if (g_list_last (tree->children)->data != item)
631 gdk_draw_line (widget->window, widget->style->black_gc, lx1, ly1, lx2, ly2);
632 item = GTK_TREE_ITEM2 (tree->tree_owner);
633 tree = GTK_TREE2 (GTK_WIDGET (tree)->parent);
639 gtk_tree_item2_paint (GtkWidget *widget,
643 GdkRectangle child_area, item_area;
644 GtkTreeItem2* tree_item;
646 g_return_if_fail (widget != NULL);
647 g_return_if_fail (GTK_IS_TREE_ITEM2 (widget));
648 g_return_if_fail (area != NULL);
650 if (GTK_WIDGET_DRAWABLE (widget))
652 bin = GTK_BIN (widget);
653 tree_item = GTK_TREE_ITEM2(widget);
655 if (widget->state == GTK_STATE_NORMAL)
657 gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
658 gdk_window_clear_area (widget->window, area->x, area->y, area->width, area->height);
662 if (!GTK_WIDGET_IS_SENSITIVE (widget))
663 gtk_paint_flat_box(widget->style, widget->window,
664 widget->state, GTK_STATE_INSENSITIVE,
665 area, widget, "treeitem",
668 gtk_paint_flat_box(widget->style, widget->window,
669 widget->state, GTK_SHADOW_ETCHED_OUT,
670 area, widget, "treeitem",
674 /* draw left size of tree item */
677 item_area.width = (tree_item->pixmaps_box->allocation.width + DEFAULT_DELTA +
678 GTK_TREE2 (widget->parent)->current_indent + 2);
679 item_area.height = widget->allocation.height;
682 if (gdk_rectangle_intersect(&item_area, area, &child_area))
685 gtk_tree_item2_draw_lines(widget);
687 if (tree_item->pixmaps_box &&
688 GTK_WIDGET_VISIBLE(tree_item->pixmaps_box) &&
689 gtk_widget_intersect (tree_item->pixmaps_box, area, &child_area))
690 gtk_widget_draw (tree_item->pixmaps_box, &child_area);
693 if (GTK_WIDGET_HAS_FOCUS (widget))
694 gtk_paint_focus (widget->style, widget->window,
695 NULL, widget, "treeitem",
697 widget->allocation.width - 1,
698 widget->allocation.height - 1);
704 gtk_tree_item2_draw (GtkWidget *widget,
708 GdkRectangle child_area;
710 g_return_if_fail (widget != NULL);
711 g_return_if_fail (GTK_IS_TREE_ITEM2 (widget));
712 g_return_if_fail (area != NULL);
714 if (GTK_WIDGET_DRAWABLE (widget))
716 bin = GTK_BIN (widget);
718 gtk_tree_item2_paint (widget, area);
721 gtk_widget_intersect (bin->child, area, &child_area))
722 gtk_widget_draw (bin->child, &child_area);
728 gtk_tree_item2_draw_focus (GtkWidget *widget)
730 g_return_if_fail (widget != NULL);
731 g_return_if_fail (GTK_IS_TREE_ITEM2 (widget));
733 gtk_widget_draw(widget, NULL);
737 gtk_tree_item2_button_press (GtkWidget *widget,
738 GdkEventButton *event)
741 g_return_val_if_fail (widget != NULL, FALSE);
742 g_return_val_if_fail (GTK_IS_TREE_ITEM2 (widget), FALSE);
743 g_return_val_if_fail (event != NULL, FALSE);
745 if (event->type == GDK_BUTTON_PRESS
746 && GTK_WIDGET_IS_SENSITIVE(widget)
747 && !GTK_WIDGET_HAS_FOCUS (widget))
748 gtk_widget_grab_focus (widget);
756 gtk_tree_item2_expose (GtkWidget *widget,
757 GdkEventExpose *event)
759 GdkEventExpose child_event;
762 g_return_val_if_fail (widget != NULL, FALSE);
763 g_return_val_if_fail (GTK_IS_TREE_ITEM2 (widget), FALSE);
764 g_return_val_if_fail (event != NULL, FALSE);
766 if (GTK_WIDGET_DRAWABLE (widget))
768 bin = GTK_BIN (widget);
770 gtk_tree_item2_paint (widget, &event->area);
772 child_event = *event;
773 if (bin->child && GTK_WIDGET_NO_WINDOW (bin->child) &&
774 gtk_widget_intersect (bin->child, &event->area, &child_event.area))
775 gtk_widget_event (bin->child, (GdkEvent*) &child_event);
782 gtk_tree_item2_focus_in (GtkWidget *widget,
783 GdkEventFocus *event)
785 g_return_val_if_fail (widget != NULL, FALSE);
786 g_return_val_if_fail (GTK_IS_TREE_ITEM2 (widget), FALSE);
787 g_return_val_if_fail (event != NULL, FALSE);
789 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
790 gtk_widget_draw_focus (widget);
797 gtk_tree_item2_focus_out (GtkWidget *widget,
798 GdkEventFocus *event)
800 g_return_val_if_fail (widget != NULL, FALSE);
801 g_return_val_if_fail (GTK_IS_TREE_ITEM2 (widget), FALSE);
802 g_return_val_if_fail (event != NULL, FALSE);
804 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
805 gtk_widget_draw_focus (widget);
812 gtk_real_tree_item2_select (GtkItem *item)
814 GtkTreeItem2 *tree_item;
817 g_return_if_fail (item != NULL);
818 g_return_if_fail (GTK_IS_TREE_ITEM2 (item));
820 tree_item = GTK_TREE_ITEM2 (item);
821 widget = GTK_WIDGET (item);
823 gtk_widget_set_state (GTK_WIDGET (item), GTK_STATE_SELECTED);
825 if (!widget->parent || GTK_TREE2 (widget->parent)->view_mode == GTK_TREE2_VIEW_LINE)
826 gtk_widget_set_state (GTK_TREE_ITEM2 (item)->pixmaps_box, GTK_STATE_SELECTED);
830 gtk_real_tree_item2_deselect (GtkItem *item)
832 GtkTreeItem2 *tree_item;
835 g_return_if_fail (item != NULL);
836 g_return_if_fail (GTK_IS_TREE_ITEM2 (item));
838 tree_item = GTK_TREE_ITEM2 (item);
839 widget = GTK_WIDGET (item);
841 gtk_widget_set_state (widget, GTK_STATE_NORMAL);
843 if (!widget->parent || GTK_TREE2 (widget->parent)->view_mode == GTK_TREE2_VIEW_LINE)
844 gtk_widget_set_state (tree_item->pixmaps_box, GTK_STATE_NORMAL);
848 gtk_real_tree_item2_toggle (GtkItem *item)
850 g_return_if_fail (item != NULL);
851 g_return_if_fail (GTK_IS_TREE_ITEM2 (item));
853 if(!GTK_WIDGET_IS_SENSITIVE(item))
856 if (GTK_WIDGET (item)->parent && GTK_IS_TREE2 (GTK_WIDGET (item)->parent))
857 gtk_tree2_select_child (GTK_TREE2 (GTK_WIDGET (item)->parent),
861 /* Should we really bother with this bit? A listitem not in a list?
862 * -Johannes Keukelaar
863 * yes, always be on the safe side!
866 if (GTK_WIDGET (item)->state == GTK_STATE_SELECTED)
867 gtk_widget_set_state (GTK_WIDGET (item), GTK_STATE_NORMAL);
869 gtk_widget_set_state (GTK_WIDGET (item), GTK_STATE_SELECTED);
874 gtk_real_tree_item2_expand (GtkTreeItem2 *tree_item)
878 g_return_if_fail (tree_item != NULL);
879 g_return_if_fail (GTK_IS_TREE_ITEM2 (tree_item));
881 if (tree_item->subtree && !tree_item->expanded)
883 tree = GTK_TREE2 (GTK_WIDGET (tree_item)->parent);
885 /* hide subtree widget */
886 gtk_widget_show (tree_item->subtree);
888 /* hide button '+' and show button '-' */
889 if (tree_item->pixmaps_box)
891 gtk_container_remove (GTK_CONTAINER (tree_item->pixmaps_box),
892 tree_item->plus_pix_widget);
893 gtk_container_add (GTK_CONTAINER (tree_item->pixmaps_box),
894 tree_item->minus_pix_widget);
897 gtk_widget_queue_resize (GTK_WIDGET (tree->root_tree));
898 tree_item->expanded = TRUE;
903 gtk_real_tree_item2_collapse (GtkTreeItem2 *tree_item)
907 g_return_if_fail (tree_item != NULL);
908 g_return_if_fail (GTK_IS_TREE_ITEM2 (tree_item));
910 if (tree_item->subtree && tree_item->expanded)
912 tree = GTK_TREE2 (GTK_WIDGET (tree_item)->parent);
914 /* hide subtree widget */
915 gtk_widget_hide (tree_item->subtree);
917 /* hide button '-' and show button '+' */
918 if (tree_item->pixmaps_box)
920 gtk_container_remove (GTK_CONTAINER (tree_item->pixmaps_box),
921 tree_item->minus_pix_widget);
922 gtk_container_add (GTK_CONTAINER (tree_item->pixmaps_box),
923 tree_item->plus_pix_widget);
926 gtk_widget_queue_resize (GTK_WIDGET (tree->root_tree));
927 tree_item->expanded = FALSE;
932 gtk_tree_item2_destroy (GtkObject *object)
937 g_return_if_fail (object != NULL);
938 g_return_if_fail (GTK_IS_TREE_ITEM2 (object));
941 g_message("+ gtk_tree_item2_destroy [object %#x]\n", (int)object);
942 #endif /* TREE_DEBUG */
944 item = GTK_TREE_ITEM2(object);
946 /* free sub tree if it exist */
947 child = item->subtree;
950 gtk_widget_ref (child);
951 gtk_widget_unparent (child);
952 gtk_widget_destroy (child);
953 gtk_widget_unref (child);
954 item->subtree = NULL;
957 /* free pixmaps box */
958 child = item->pixmaps_box;
961 gtk_widget_ref (child);
962 gtk_widget_unparent (child);
963 gtk_widget_destroy (child);
964 gtk_widget_unref (child);
965 item->pixmaps_box = NULL;
969 /* destroy plus pixmap */
970 if (item->plus_pix_widget)
972 gtk_widget_destroy (item->plus_pix_widget);
973 gtk_widget_unref (item->plus_pix_widget);
974 item->plus_pix_widget = NULL;
977 /* destroy minus pixmap */
978 if (item->minus_pix_widget)
980 gtk_widget_destroy (item->minus_pix_widget);
981 gtk_widget_unref (item->minus_pix_widget);
982 item->minus_pix_widget = NULL;
985 /* By removing the pixmaps here, and not in unrealize, we depend on
986 * the fact that a widget can never change colormap or visual.
988 gtk_tree_item2_remove_pixmaps (item);
990 GTK_OBJECT_CLASS (parent_class)->destroy (object);
993 g_message("- gtk_tree_item2_destroy\n");
994 #endif /* TREE_DEBUG */
998 gtk_tree_item2_remove_subtree (GtkTreeItem2* item)
1000 g_return_if_fail (item != NULL);
1001 g_return_if_fail (GTK_IS_TREE_ITEM2(item));
1002 g_return_if_fail (item->subtree != NULL);
1004 if (GTK_TREE2 (item->subtree)->children)
1006 /* The following call will remove the children and call
1007 * gtk_tree_item2_remove_subtree() again. So we are done.
1009 gtk_tree2_remove_items (GTK_TREE2 (item->subtree),
1010 GTK_TREE2 (item->subtree)->children);
1014 if (GTK_WIDGET_MAPPED (item->subtree))
1015 gtk_widget_unmap (item->subtree);
1017 gtk_widget_unparent (item->subtree);
1019 if (item->pixmaps_box)
1020 gtk_widget_hide (item->pixmaps_box);
1022 item->subtree = NULL;
1026 item->expanded = FALSE;
1027 if (item->pixmaps_box)
1029 gtk_container_remove (GTK_CONTAINER (item->pixmaps_box),
1030 item->minus_pix_widget);
1031 gtk_container_add (GTK_CONTAINER (item->pixmaps_box),
1032 item->plus_pix_widget);
1038 gtk_tree_item2_map (GtkWidget *widget)
1043 g_return_if_fail (widget != NULL);
1044 g_return_if_fail (GTK_IS_TREE_ITEM2 (widget));
1046 bin = GTK_BIN (widget);
1047 item = GTK_TREE_ITEM2(widget);
1049 GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
1051 if(item->pixmaps_box &&
1052 GTK_WIDGET_VISIBLE (item->pixmaps_box) &&
1053 !GTK_WIDGET_MAPPED (item->pixmaps_box))
1054 gtk_widget_map (item->pixmaps_box);
1057 GTK_WIDGET_VISIBLE (bin->child) &&
1058 !GTK_WIDGET_MAPPED (bin->child))
1059 gtk_widget_map (bin->child);
1061 gdk_window_show (widget->window);
1065 gtk_tree_item2_unmap (GtkWidget *widget)
1070 g_return_if_fail (widget != NULL);
1071 g_return_if_fail (GTK_IS_TREE_ITEM2 (widget));
1073 GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
1074 bin = GTK_BIN (widget);
1075 item = GTK_TREE_ITEM2(widget);
1077 gdk_window_hide (widget->window);
1079 if(item->pixmaps_box &&
1080 GTK_WIDGET_VISIBLE (item->pixmaps_box) &&
1081 GTK_WIDGET_MAPPED (item->pixmaps_box))
1082 gtk_widget_unmap (bin->child);
1085 GTK_WIDGET_VISIBLE (bin->child) &&
1086 GTK_WIDGET_MAPPED (bin->child))
1087 gtk_widget_unmap (bin->child);
1091 gtk_tree_item2_forall (GtkContainer *container,
1092 gboolean include_internals,
1093 GtkCallback callback,
1094 gpointer callback_data)
1097 GtkTreeItem2 *tree_item;
1099 g_return_if_fail (container != NULL);
1100 g_return_if_fail (GTK_IS_TREE_ITEM2 (container));
1101 g_return_if_fail (callback != NULL);
1103 bin = GTK_BIN (container);
1104 tree_item = GTK_TREE_ITEM2 (container);
1107 (* callback) (bin->child, callback_data);
1108 /* if (include_internals && tree_item->subtree)
1109 (* callback) (tree_item->subtree, callback_data); */