* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
*/
+
+/*
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#undef GTK_DISABLE_DEPRECATED
+
+#include "config.h"
+
#include "gtklabel.h"
+#include "gtkeventbox.h"
+#include "gtkpixmap.h"
+#include "gtkmain.h"
+#include "gtkmarshalers.h"
+#include "gtksignal.h"
+#define GTK_ENABLE_BROKEN
+#include "gtktree.h"
#include "gtktreeitem.h"
+#include "gtkintl.h"
+
+#include "gtkalias.h"
+
+#include "tree_plus.xpm"
+#include "tree_minus.xpm"
+
+#define DEFAULT_DELTA 9
+enum {
+ COLLAPSE_TREE,
+ EXPAND_TREE,
+ LAST_SIGNAL
+};
+
+typedef struct _GtkTreePixmaps GtkTreePixmaps;
+
+struct _GtkTreePixmaps {
+ gint refcount;
+ GdkColormap *colormap;
+
+ GdkPixmap *pixmap_plus;
+ GdkPixmap *pixmap_minus;
+ GdkBitmap *mask_plus;
+ GdkBitmap *mask_minus;
+};
+
+static GList *pixmaps = NULL;
static void gtk_tree_item_class_init (GtkTreeItemClass *klass);
static void gtk_tree_item_init (GtkTreeItem *tree_item);
+static void gtk_tree_item_realize (GtkWidget *widget);
+static void gtk_tree_item_size_request (GtkWidget *widget,
+ GtkRequisition *requisition);
+static void gtk_tree_item_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+static void gtk_tree_item_paint (GtkWidget *widget,
+ GdkRectangle *area);
+static gint gtk_tree_item_button_press (GtkWidget *widget,
+ GdkEventButton *event);
+static gint gtk_tree_item_expose (GtkWidget *widget,
+ GdkEventExpose *event);
+static void gtk_tree_item_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data);
+
+static void gtk_real_tree_item_select (GtkItem *item);
+static void gtk_real_tree_item_deselect (GtkItem *item);
+static void gtk_real_tree_item_toggle (GtkItem *item);
+static void gtk_real_tree_item_expand (GtkTreeItem *item);
+static void gtk_real_tree_item_collapse (GtkTreeItem *item);
+static void gtk_tree_item_destroy (GtkObject *object);
+static gint gtk_tree_item_subtree_button_click (GtkWidget *widget);
+static void gtk_tree_item_subtree_button_changed_state (GtkWidget *widget);
+static void gtk_tree_item_map(GtkWidget*);
+static void gtk_tree_item_unmap(GtkWidget*);
-guint
-gtk_tree_item_get_type ()
+static void gtk_tree_item_add_pixmaps (GtkTreeItem *tree_item);
+static void gtk_tree_item_remove_pixmaps (GtkTreeItem *tree_item);
+
+static GtkItemClass *parent_class = NULL;
+static guint tree_item_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gtk_tree_item_get_type (void)
{
- static guint tree_item_type = 0;
+ static GtkType tree_item_type = 0;
if (!tree_item_type)
{
- GtkTypeInfo tree_item_info =
+ static const GtkTypeInfo tree_item_info =
{
"GtkTreeItem",
sizeof (GtkTreeItem),
sizeof (GtkTreeItemClass),
(GtkClassInitFunc) gtk_tree_item_class_init,
(GtkObjectInitFunc) gtk_tree_item_init,
- (GtkArgFunc) NULL,
+ /* reserved_1 */ NULL,
+ /* reserved_2 */ NULL,
+ (GtkClassInitFunc) NULL,
};
+ I_("GtkTreeItem");
tree_item_type = gtk_type_unique (gtk_item_get_type (), &tree_item_info);
}
static void
gtk_tree_item_class_init (GtkTreeItemClass *class)
{
+ GtkObjectClass *object_class;
+ GtkWidgetClass *widget_class;
+ GtkContainerClass *container_class;
+ GtkItemClass *item_class;
+
+ parent_class = gtk_type_class (GTK_TYPE_ITEM);
+
+ object_class = (GtkObjectClass*) class;
+ widget_class = (GtkWidgetClass*) class;
+ item_class = (GtkItemClass*) class;
+ container_class = (GtkContainerClass*) class;
+
+ object_class->destroy = gtk_tree_item_destroy;
+
+ widget_class->realize = gtk_tree_item_realize;
+ widget_class->size_request = gtk_tree_item_size_request;
+ widget_class->size_allocate = gtk_tree_item_size_allocate;
+ widget_class->button_press_event = gtk_tree_item_button_press;
+ widget_class->expose_event = gtk_tree_item_expose;
+ widget_class->map = gtk_tree_item_map;
+ widget_class->unmap = gtk_tree_item_unmap;
+
+ container_class->forall = gtk_tree_item_forall;
+
+ item_class->select = gtk_real_tree_item_select;
+ item_class->deselect = gtk_real_tree_item_deselect;
+ item_class->toggle = gtk_real_tree_item_toggle;
+
+ class->expand = gtk_real_tree_item_expand;
+ class->collapse = gtk_real_tree_item_collapse;
+
+ tree_item_signals[EXPAND_TREE] =
+ gtk_signal_new (I_("expand"),
+ GTK_RUN_FIRST,
+ GTK_CLASS_TYPE (object_class),
+ GTK_SIGNAL_OFFSET (GtkTreeItemClass, expand),
+ _gtk_marshal_VOID__VOID,
+ GTK_TYPE_NONE, 0);
+ tree_item_signals[COLLAPSE_TREE] =
+ gtk_signal_new (I_("collapse"),
+ GTK_RUN_FIRST,
+ GTK_CLASS_TYPE (object_class),
+ GTK_SIGNAL_OFFSET (GtkTreeItemClass, collapse),
+ _gtk_marshal_VOID__VOID,
+ GTK_TYPE_NONE, 0);
+}
+
+/* callback for event box mouse event */
+static gint
+gtk_tree_item_subtree_button_click (GtkWidget *widget)
+{
+ GtkTreeItem* item;
+
+ g_return_val_if_fail (GTK_IS_EVENT_BOX (widget), FALSE);
+
+ item = (GtkTreeItem*) gtk_object_get_user_data (GTK_OBJECT (widget));
+ if (!GTK_WIDGET_IS_SENSITIVE (item))
+ return FALSE;
+
+ if (item->expanded)
+ gtk_tree_item_collapse (item);
+ else
+ gtk_tree_item_expand (item);
+
+ return TRUE;
+}
+
+/* callback for event box state changed */
+static void
+gtk_tree_item_subtree_button_changed_state (GtkWidget *widget)
+{
+ g_return_if_fail (GTK_IS_EVENT_BOX (widget));
+
+ if (GTK_WIDGET_VISIBLE (widget))
+ {
+
+ if (widget->state == GTK_STATE_NORMAL)
+ gdk_window_set_background (widget->window, &widget->style->base[widget->state]);
+ else
+ gdk_window_set_background (widget->window, &widget->style->bg[widget->state]);
+
+ if (GTK_WIDGET_DRAWABLE (widget))
+ gdk_window_clear_area (widget->window, 0, 0,
+ widget->allocation.width, widget->allocation.height);
+ }
}
static void
gtk_tree_item_init (GtkTreeItem *tree_item)
{
+ GtkWidget *eventbox, *pixmapwid;
+
+ tree_item->expanded = FALSE;
+ tree_item->subtree = NULL;
+ GTK_WIDGET_SET_FLAGS (tree_item, GTK_CAN_FOCUS);
+
+ /* create an event box containing one pixmaps */
+ eventbox = gtk_event_box_new();
+ gtk_widget_set_events (eventbox, GDK_BUTTON_PRESS_MASK);
+ gtk_signal_connect(GTK_OBJECT(eventbox), "state-changed",
+ G_CALLBACK (gtk_tree_item_subtree_button_changed_state),
+ (gpointer)NULL);
+ gtk_signal_connect(GTK_OBJECT(eventbox), "realize",
+ G_CALLBACK (gtk_tree_item_subtree_button_changed_state),
+ (gpointer)NULL);
+ gtk_signal_connect(GTK_OBJECT(eventbox), "button-press-event",
+ G_CALLBACK (gtk_tree_item_subtree_button_click),
+ (gpointer)NULL);
+ gtk_object_set_user_data(GTK_OBJECT(eventbox), tree_item);
+ tree_item->pixmaps_box = eventbox;
+
+ /* create pixmap for button '+' */
+ pixmapwid = gtk_type_new (gtk_pixmap_get_type ());
+ if (!tree_item->expanded)
+ gtk_container_add (GTK_CONTAINER (eventbox), pixmapwid);
+ gtk_widget_show (pixmapwid);
+ tree_item->plus_pix_widget = pixmapwid;
+ g_object_ref_sink (tree_item->plus_pix_widget);
+
+ /* create pixmap for button '-' */
+ pixmapwid = gtk_type_new (gtk_pixmap_get_type ());
+ if (tree_item->expanded)
+ gtk_container_add (GTK_CONTAINER (eventbox), pixmapwid);
+ gtk_widget_show (pixmapwid);
+ tree_item->minus_pix_widget = pixmapwid;
+ g_object_ref_sink (tree_item->minus_pix_widget);
+
+ gtk_widget_set_parent (eventbox, GTK_WIDGET (tree_item));
}
GtkWidget*
-gtk_tree_item_new ()
+gtk_tree_item_new (void)
{
- return GTK_WIDGET (gtk_type_new (gtk_tree_item_get_type ()));
+ GtkWidget *tree_item;
+
+ tree_item = GTK_WIDGET (gtk_type_new (gtk_tree_item_get_type ()));
+
+ return tree_item;
}
GtkWidget*
-gtk_tree_item_new_with_label (gchar *label)
+gtk_tree_item_new_with_label (const gchar *label)
{
GtkWidget *tree_item;
GtkWidget *label_widget;
gtk_container_add (GTK_CONTAINER (tree_item), label_widget);
gtk_widget_show (label_widget);
+
return tree_item;
}
gtk_tree_item_set_subtree (GtkTreeItem *tree_item,
GtkWidget *subtree)
{
- g_return_if_fail (tree_item != NULL);
g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
+ g_return_if_fail (GTK_IS_TREE (subtree));
+
+ if (tree_item->subtree)
+ {
+ g_warning("there is already a subtree for this tree item\n");
+ return;
+ }
+
+ tree_item->subtree = subtree;
+ GTK_TREE (subtree)->tree_owner = GTK_WIDGET (tree_item);
+
+ /* show subtree button */
+ if (tree_item->pixmaps_box)
+ gtk_widget_show (tree_item->pixmaps_box);
+
+ if (tree_item->expanded)
+ gtk_widget_show (subtree);
+ else
+ gtk_widget_hide (subtree);
+
+ gtk_widget_set_parent (subtree, GTK_WIDGET (tree_item)->parent);
}
void
gtk_tree_item_select (GtkTreeItem *tree_item)
{
+ g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
+
+ gtk_item_select (GTK_ITEM (tree_item));
}
void
gtk_tree_item_deselect (GtkTreeItem *tree_item)
{
+ g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
+
+ gtk_item_deselect (GTK_ITEM (tree_item));
}
void
gtk_tree_item_expand (GtkTreeItem *tree_item)
{
+ g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
+
+ gtk_signal_emit (GTK_OBJECT (tree_item), tree_item_signals[EXPAND_TREE], NULL);
}
void
gtk_tree_item_collapse (GtkTreeItem *tree_item)
{
+ g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
+
+ gtk_signal_emit (GTK_OBJECT (tree_item), tree_item_signals[COLLAPSE_TREE], NULL);
}
+
+static void
+gtk_tree_item_add_pixmaps (GtkTreeItem *tree_item)
+{
+ GList *tmp_list;
+ GdkColormap *colormap;
+ GtkTreePixmaps *pixmap_node = NULL;
+
+ g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
+
+ if (tree_item->pixmaps)
+ return;
+
+ colormap = gtk_widget_get_colormap (GTK_WIDGET (tree_item));
+
+ tmp_list = pixmaps;
+ while (tmp_list)
+ {
+ pixmap_node = (GtkTreePixmaps *)tmp_list->data;
+
+ if (pixmap_node->colormap == colormap)
+ break;
+
+ tmp_list = tmp_list->next;
+ }
+
+ if (tmp_list)
+ {
+ pixmap_node->refcount++;
+ tree_item->pixmaps = tmp_list;
+ }
+ else
+ {
+ pixmap_node = g_new (GtkTreePixmaps, 1);
+
+ pixmap_node->colormap = colormap;
+ g_object_ref (colormap);
+
+ pixmap_node->refcount = 1;
+
+ /* create pixmaps for plus icon */
+ pixmap_node->pixmap_plus =
+ gdk_pixmap_create_from_xpm_d (GTK_WIDGET (tree_item)->window,
+ &pixmap_node->mask_plus,
+ NULL,
+ (gchar **)tree_plus);
+
+ /* create pixmaps for minus icon */
+ pixmap_node->pixmap_minus =
+ gdk_pixmap_create_from_xpm_d (GTK_WIDGET (tree_item)->window,
+ &pixmap_node->mask_minus,
+ NULL,
+ (gchar **)tree_minus);
+
+ tree_item->pixmaps = pixmaps = g_list_prepend (pixmaps, pixmap_node);
+ }
+
+ gtk_pixmap_set (GTK_PIXMAP (tree_item->plus_pix_widget),
+ pixmap_node->pixmap_plus, pixmap_node->mask_plus);
+ gtk_pixmap_set (GTK_PIXMAP (tree_item->minus_pix_widget),
+ pixmap_node->pixmap_minus, pixmap_node->mask_minus);
+}
+
+static void
+gtk_tree_item_remove_pixmaps (GtkTreeItem *tree_item)
+{
+ g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
+
+ if (tree_item->pixmaps)
+ {
+ GtkTreePixmaps *pixmap_node = (GtkTreePixmaps *)tree_item->pixmaps->data;
+
+ g_assert (pixmap_node->refcount > 0);
+
+ if (--pixmap_node->refcount == 0)
+ {
+ g_object_unref (pixmap_node->colormap);
+ g_object_unref (pixmap_node->pixmap_plus);
+ g_object_unref (pixmap_node->mask_plus);
+ g_object_unref (pixmap_node->pixmap_minus);
+ g_object_unref (pixmap_node->mask_minus);
+
+ pixmaps = g_list_remove_link (pixmaps, tree_item->pixmaps);
+ g_list_free_1 (tree_item->pixmaps);
+ g_free (pixmap_node);
+ }
+
+ tree_item->pixmaps = NULL;
+ }
+}
+
+static void
+gtk_tree_item_realize (GtkWidget *widget)
+{
+ GTK_WIDGET_CLASS (parent_class)->realize (widget);
+
+ gdk_window_set_background (widget->window,
+ &widget->style->base[GTK_STATE_NORMAL]);
+
+ gtk_tree_item_add_pixmaps (GTK_TREE_ITEM (widget));
+}
+
+static void
+gtk_tree_item_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
+{
+ GtkBin *bin = GTK_BIN (widget);
+ GtkTreeItem *item = GTK_TREE_ITEM (widget);
+ GtkRequisition child_requisition;
+
+ requisition->width = (GTK_CONTAINER (widget)->border_width +
+ widget->style->xthickness) * 2;
+ requisition->height = GTK_CONTAINER (widget)->border_width * 2;
+
+ if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
+ {
+ GtkRequisition pix_requisition;
+
+ gtk_widget_size_request (bin->child, &child_requisition);
+
+ requisition->width += child_requisition.width;
+
+ gtk_widget_size_request (item->pixmaps_box,
+ &pix_requisition);
+ requisition->width += pix_requisition.width + DEFAULT_DELTA +
+ GTK_TREE (widget->parent)->current_indent;
+
+ requisition->height += MAX (child_requisition.height,
+ pix_requisition.height);
+ }
+}
+
+static void
+gtk_tree_item_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ GtkBin *bin = GTK_BIN (widget);
+ GtkTreeItem *item = GTK_TREE_ITEM (widget);
+ GtkAllocation child_allocation;
+ gint border_width;
+ int temp;
+
+ widget->allocation = *allocation;
+ if (GTK_WIDGET_REALIZED (widget))
+ gdk_window_move_resize (widget->window,
+ allocation->x, allocation->y,
+ allocation->width, allocation->height);
+
+ if (bin->child)
+ {
+ border_width = (GTK_CONTAINER (widget)->border_width +
+ widget->style->xthickness);
+
+ child_allocation.x = border_width + GTK_TREE(widget->parent)->current_indent;
+ child_allocation.y = GTK_CONTAINER (widget)->border_width;
+
+ child_allocation.width = item->pixmaps_box->requisition.width;
+ child_allocation.height = item->pixmaps_box->requisition.height;
+
+ temp = allocation->height - child_allocation.height;
+ child_allocation.y += ( temp / 2 ) + ( temp % 2 );
+
+ gtk_widget_size_allocate (item->pixmaps_box, &child_allocation);
+
+ child_allocation.y = GTK_CONTAINER (widget)->border_width;
+ child_allocation.height = MAX (1, (gint)allocation->height - child_allocation.y * 2);
+ child_allocation.x += item->pixmaps_box->requisition.width+DEFAULT_DELTA;
+
+ child_allocation.width =
+ MAX (1, (gint)allocation->width - ((gint)child_allocation.x + border_width));
+
+ gtk_widget_size_allocate (bin->child, &child_allocation);
+ }
+}
+
+static void
+gtk_tree_item_draw_lines (GtkWidget *widget)
+{
+ GtkTreeItem* item;
+ GtkTree* tree;
+ guint lx1, ly1, lx2, ly2;
+ GdkGC* gc;
+
+ g_return_if_fail (GTK_IS_TREE_ITEM (widget));
+
+ item = GTK_TREE_ITEM(widget);
+ tree = GTK_TREE(widget->parent);
+
+ if (!tree->view_line)
+ return;
+
+ gc = widget->style->text_gc[GTK_STATE_NORMAL];
+
+ /* draw vertical line */
+ lx1 = item->pixmaps_box->allocation.width;
+ lx1 = lx2 = ((lx1 / 2) + (lx1 % 2) +
+ GTK_CONTAINER (widget)->border_width + 1 + tree->current_indent);
+ ly1 = 0;
+ ly2 = widget->allocation.height;
+
+ if (g_list_last (tree->children)->data == widget)
+ ly2 = (ly2 / 2) + (ly2 % 2);
+
+ if (tree != tree->root_tree)
+ gdk_draw_line (widget->window, gc, lx1, ly1, lx2, ly2);
+
+ /* draw vertical line for subtree connecting */
+ if(g_list_last(tree->children)->data != (gpointer)widget)
+ ly2 = (ly2 / 2) + (ly2 % 2);
+
+ lx2 += DEFAULT_DELTA;
+
+ if (item->subtree && item->expanded)
+ gdk_draw_line (widget->window, gc,
+ lx2, ly2, lx2, widget->allocation.height);
+
+ /* draw horizontal line */
+ ly1 = ly2;
+ lx2 += 2;
+
+ gdk_draw_line (widget->window, gc, lx1, ly1, lx2, ly2);
+
+ lx2 -= DEFAULT_DELTA+2;
+ ly1 = 0;
+ ly2 = widget->allocation.height;
+
+ if (tree != tree->root_tree)
+ {
+ item = GTK_TREE_ITEM (tree->tree_owner);
+ tree = GTK_TREE (GTK_WIDGET (tree)->parent);
+ while (tree != tree->root_tree)
+ {
+ lx1 = lx2 -= tree->indent_value;
+
+ if (g_list_last (tree->children)->data != item)
+ gdk_draw_line (widget->window, gc, lx1, ly1, lx2, ly2);
+ item = GTK_TREE_ITEM (tree->tree_owner);
+ tree = GTK_TREE (GTK_WIDGET (tree)->parent);
+ }
+ }
+}
+
+static void
+gtk_tree_item_paint (GtkWidget *widget,
+ GdkRectangle *area)
+{
+ GdkRectangle child_area, item_area;
+ GtkTreeItem* tree_item;
+
+ /* FIXME: We should honor tree->view_mode, here - I think
+ * the desired effect is that when the mode is VIEW_ITEM,
+ * only the subitem is drawn as selected, not the entire
+ * line. (Like the way that the tree in Windows Explorer
+ * works).
+ */
+ if (GTK_WIDGET_DRAWABLE (widget))
+ {
+ tree_item = GTK_TREE_ITEM(widget);
+
+ if (widget->state == GTK_STATE_NORMAL)
+ {
+ gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
+ gdk_window_clear_area (widget->window, area->x, area->y, area->width, area->height);
+ }
+ else
+ {
+ if (!GTK_WIDGET_IS_SENSITIVE (widget))
+ gtk_paint_flat_box(widget->style, widget->window,
+ widget->state, GTK_SHADOW_NONE,
+ area, widget, "treeitem",
+ 0, 0, -1, -1);
+ else
+ gtk_paint_flat_box(widget->style, widget->window,
+ widget->state, GTK_SHADOW_ETCHED_OUT,
+ area, widget, "treeitem",
+ 0, 0, -1, -1);
+ }
+
+ /* draw left size of tree item */
+ item_area.x = 0;
+ item_area.y = 0;
+ item_area.width = (tree_item->pixmaps_box->allocation.width + DEFAULT_DELTA +
+ GTK_TREE (widget->parent)->current_indent + 2);
+ item_area.height = widget->allocation.height;
+
+
+ if (gdk_rectangle_intersect(&item_area, area, &child_area))
+ {
+
+ gtk_tree_item_draw_lines(widget);
+
+ if (tree_item->pixmaps_box &&
+ GTK_WIDGET_VISIBLE(tree_item->pixmaps_box) &&
+ gtk_widget_intersect (tree_item->pixmaps_box, area, &child_area))
+ {
+ gtk_widget_queue_draw_area (tree_item->pixmaps_box,
+ child_area.x, child_area.y,
+ child_area.width, child_area.height);
+ gdk_window_process_updates (tree_item->pixmaps_box->window, TRUE);
+ }
+ }
+
+ if (GTK_WIDGET_HAS_FOCUS (widget))
+ gtk_paint_focus (widget->style, widget->window, GTK_WIDGET_STATE (widget),
+ NULL, widget, "treeitem",
+ 0, 0,
+ widget->allocation.width,
+ widget->allocation.height);
+
+ }
+}
+
+static gint
+gtk_tree_item_button_press (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ if (event->type == GDK_BUTTON_PRESS
+ && GTK_WIDGET_IS_SENSITIVE(widget)
+ && !GTK_WIDGET_HAS_FOCUS (widget))
+ gtk_widget_grab_focus (widget);
+
+ return (event->type == GDK_BUTTON_PRESS && GTK_WIDGET_IS_SENSITIVE(widget));
+}
+
+static void
+gtk_tree_item_expose_child (GtkWidget *child,
+ gpointer client_data)
+{
+ struct {
+ GtkWidget *container;
+ GdkEventExpose *event;
+ } *data = client_data;
+
+ if (GTK_WIDGET_DRAWABLE (child) &&
+ !gtk_widget_get_has_window (child) &&
+ (child->window == data->event->window))
+ {
+ GdkEvent *child_event = gdk_event_new (GDK_EXPOSE);
+ child_event->expose = *data->event;
+ g_object_ref (child_event->expose.window);
+
+ child_event->expose.region = gtk_widget_region_intersect (child,
+ data->event->region);
+ if (!gdk_region_empty (child_event->expose.region))
+ {
+ gdk_region_get_clipbox (child_event->expose.region, &child_event->expose.area);
+ gtk_widget_send_expose (child, child_event);
+ }
+ gdk_event_free (child_event);
+ }
+}
+
+static gint
+gtk_tree_item_expose (GtkWidget *widget,
+ GdkEventExpose *event)
+{
+ struct {
+ GtkWidget *container;
+ GdkEventExpose *event;
+ } data;
+
+ if (GTK_WIDGET_DRAWABLE (widget))
+ {
+ gtk_tree_item_paint (widget, &event->area);
+
+ data.container = widget;
+ data.event = event;
+
+ gtk_container_forall (GTK_CONTAINER (widget),
+ gtk_tree_item_expose_child,
+ &data);
+ }
+
+ return FALSE;
+}
+
+static void
+gtk_real_tree_item_select (GtkItem *item)
+{
+ GtkWidget *widget;
+
+ g_return_if_fail (GTK_IS_TREE_ITEM (item));
+
+ widget = GTK_WIDGET (item);
+
+ gtk_widget_set_state (GTK_WIDGET (item), GTK_STATE_SELECTED);
+
+ if (!widget->parent || GTK_TREE (widget->parent)->view_mode == GTK_TREE_VIEW_LINE)
+ gtk_widget_set_state (GTK_TREE_ITEM (item)->pixmaps_box, GTK_STATE_SELECTED);
+}
+
+static void
+gtk_real_tree_item_deselect (GtkItem *item)
+{
+ GtkTreeItem *tree_item;
+ GtkWidget *widget;
+
+ g_return_if_fail (GTK_IS_TREE_ITEM (item));
+
+ tree_item = GTK_TREE_ITEM (item);
+ widget = GTK_WIDGET (item);
+
+ gtk_widget_set_state (widget, GTK_STATE_NORMAL);
+
+ if (!widget->parent || GTK_TREE (widget->parent)->view_mode == GTK_TREE_VIEW_LINE)
+ gtk_widget_set_state (tree_item->pixmaps_box, GTK_STATE_NORMAL);
+}
+
+static void
+gtk_real_tree_item_toggle (GtkItem *item)
+{
+ g_return_if_fail (GTK_IS_TREE_ITEM (item));
+
+ if(!GTK_WIDGET_IS_SENSITIVE(item))
+ return;
+
+ if (GTK_IS_TREE (GTK_WIDGET (item)->parent))
+ gtk_tree_select_child (GTK_TREE (GTK_WIDGET (item)->parent),
+ GTK_WIDGET (item));
+ else
+ {
+ /* Should we really bother with this bit? A listitem not in a list?
+ * -Johannes Keukelaar
+ * yes, always be on the safe side!
+ * -timj
+ */
+ if (GTK_WIDGET (item)->state == GTK_STATE_SELECTED)
+ gtk_widget_set_state (GTK_WIDGET (item), GTK_STATE_NORMAL);
+ else
+ gtk_widget_set_state (GTK_WIDGET (item), GTK_STATE_SELECTED);
+ }
+}
+
+static void
+gtk_real_tree_item_expand (GtkTreeItem *tree_item)
+{
+ GtkTree* tree;
+
+ g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
+
+ if (tree_item->subtree && !tree_item->expanded)
+ {
+ tree = GTK_TREE (GTK_WIDGET (tree_item)->parent);
+
+ /* hide subtree widget */
+ gtk_widget_show (tree_item->subtree);
+
+ /* hide button '+' and show button '-' */
+ if (tree_item->pixmaps_box)
+ {
+ gtk_container_remove (GTK_CONTAINER (tree_item->pixmaps_box),
+ tree_item->plus_pix_widget);
+ gtk_container_add (GTK_CONTAINER (tree_item->pixmaps_box),
+ tree_item->minus_pix_widget);
+ }
+ if (tree->root_tree)
+ gtk_widget_queue_resize (GTK_WIDGET (tree->root_tree));
+ tree_item->expanded = TRUE;
+ }
+}
+
+static void
+gtk_real_tree_item_collapse (GtkTreeItem *tree_item)
+{
+ GtkTree* tree;
+
+ g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
+
+ if (tree_item->subtree && tree_item->expanded)
+ {
+ tree = GTK_TREE (GTK_WIDGET (tree_item)->parent);
+
+ /* hide subtree widget */
+ gtk_widget_hide (tree_item->subtree);
+
+ /* hide button '-' and show button '+' */
+ if (tree_item->pixmaps_box)
+ {
+ gtk_container_remove (GTK_CONTAINER (tree_item->pixmaps_box),
+ tree_item->minus_pix_widget);
+ gtk_container_add (GTK_CONTAINER (tree_item->pixmaps_box),
+ tree_item->plus_pix_widget);
+ }
+ if (tree->root_tree)
+ gtk_widget_queue_resize (GTK_WIDGET (tree->root_tree));
+ tree_item->expanded = FALSE;
+ }
+}
+
+static void
+gtk_tree_item_destroy (GtkObject *object)
+{
+ GtkTreeItem* item = GTK_TREE_ITEM(object);
+ GtkWidget* child;
+
+#ifdef TREE_DEBUG
+ g_message("+ gtk_tree_item_destroy [object %#x]\n", (int)object);
+#endif /* TREE_DEBUG */
+
+ /* free sub tree if it exist */
+ child = item->subtree;
+ if (child)
+ {
+ g_object_ref (child);
+ gtk_widget_unparent (child);
+ gtk_widget_destroy (child);
+ g_object_unref (child);
+ item->subtree = NULL;
+ }
+
+ /* free pixmaps box */
+ child = item->pixmaps_box;
+ if (child)
+ {
+ g_object_ref (child);
+ gtk_widget_unparent (child);
+ gtk_widget_destroy (child);
+ g_object_unref (child);
+ item->pixmaps_box = NULL;
+ }
+
+
+ /* destroy plus pixmap */
+ if (item->plus_pix_widget)
+ {
+ gtk_widget_destroy (item->plus_pix_widget);
+ g_object_unref (item->plus_pix_widget);
+ item->plus_pix_widget = NULL;
+ }
+
+ /* destroy minus pixmap */
+ if (item->minus_pix_widget)
+ {
+ gtk_widget_destroy (item->minus_pix_widget);
+ g_object_unref (item->minus_pix_widget);
+ item->minus_pix_widget = NULL;
+ }
+
+ /* By removing the pixmaps here, and not in unrealize, we depend on
+ * the fact that a widget can never change colormap or visual.
+ */
+ gtk_tree_item_remove_pixmaps (item);
+
+ GTK_OBJECT_CLASS (parent_class)->destroy (object);
+
+#ifdef TREE_DEBUG
+ g_message("- gtk_tree_item_destroy\n");
+#endif /* TREE_DEBUG */
+}
+
+void
+gtk_tree_item_remove_subtree (GtkTreeItem* item)
+{
+ g_return_if_fail (GTK_IS_TREE_ITEM(item));
+ g_return_if_fail (item->subtree != NULL);
+
+ if (GTK_TREE (item->subtree)->children)
+ {
+ /* The following call will remove the children and call
+ * gtk_tree_item_remove_subtree() again. So we are done.
+ */
+ gtk_tree_remove_items (GTK_TREE (item->subtree),
+ GTK_TREE (item->subtree)->children);
+ return;
+ }
+
+ if (GTK_WIDGET_MAPPED (item->subtree))
+ gtk_widget_unmap (item->subtree);
+
+ gtk_widget_unparent (item->subtree);
+
+ if (item->pixmaps_box)
+ gtk_widget_hide (item->pixmaps_box);
+
+ item->subtree = NULL;
+
+ if (item->expanded)
+ {
+ item->expanded = FALSE;
+ if (item->pixmaps_box)
+ {
+ gtk_container_remove (GTK_CONTAINER (item->pixmaps_box),
+ item->minus_pix_widget);
+ gtk_container_add (GTK_CONTAINER (item->pixmaps_box),
+ item->plus_pix_widget);
+ }
+ }
+}
+
+static void
+gtk_tree_item_map (GtkWidget *widget)
+{
+ GtkBin *bin = GTK_BIN (widget);
+ GtkTreeItem* item = GTK_TREE_ITEM(widget);
+
+ GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
+
+ if(item->pixmaps_box &&
+ GTK_WIDGET_VISIBLE (item->pixmaps_box) &&
+ !GTK_WIDGET_MAPPED (item->pixmaps_box))
+ gtk_widget_map (item->pixmaps_box);
+
+ if (bin->child &&
+ GTK_WIDGET_VISIBLE (bin->child) &&
+ !GTK_WIDGET_MAPPED (bin->child))
+ gtk_widget_map (bin->child);
+
+ gdk_window_show (widget->window);
+}
+
+static void
+gtk_tree_item_unmap (GtkWidget *widget)
+{
+ GtkBin *bin = GTK_BIN (widget);
+ GtkTreeItem* item = GTK_TREE_ITEM(widget);
+
+ GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
+
+ gdk_window_hide (widget->window);
+
+ if(item->pixmaps_box &&
+ GTK_WIDGET_VISIBLE (item->pixmaps_box) &&
+ GTK_WIDGET_MAPPED (item->pixmaps_box))
+ gtk_widget_unmap (bin->child);
+
+ if (bin->child &&
+ GTK_WIDGET_VISIBLE (bin->child) &&
+ GTK_WIDGET_MAPPED (bin->child))
+ gtk_widget_unmap (bin->child);
+}
+
+static void
+gtk_tree_item_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data)
+{
+ GtkBin *bin = GTK_BIN (container);
+ GtkTreeItem *tree_item = GTK_TREE_ITEM (container);
+
+ if (bin->child)
+ (* callback) (bin->child, callback_data);
+ if (include_internals && tree_item->subtree)
+ (* callback) (tree_item->subtree, callback_data);
+ if (include_internals && tree_item->pixmaps_box)
+ (* callback) (tree_item->pixmaps_box, callback_data);
+}
+
+#define __GTK_TREE_ITEM_C__
+#include "gtkaliasdef.c"
projects / ~andy / gtk / blobdiff