/* GTK - The GIMP Toolkit
* 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 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
* Lesser General Public License for more details.
*
* 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 "gtkmain.h"
#include "gtkmarshalers.h"
#include "gtksignal.h"
#include "gtklist.h"
#define GTK_ENABLE_BROKEN
#include "gtktree.h"
#include "gtktreeitem.h"
#include "gtkintl.h"
#include "gtkalias.h"
enum {
SELECTION_CHANGED,
SELECT_CHILD,
UNSELECT_CHILD,
LAST_SIGNAL
};
static void gtk_tree_class_init (GtkTreeClass *klass);
static void gtk_tree_init (GtkTree *tree);
static void gtk_tree_destroy (GtkObject *object);
static void gtk_tree_map (GtkWidget *widget);
static void gtk_tree_parent_set (GtkWidget *widget,
GtkWidget *previous_parent);
static void gtk_tree_unmap (GtkWidget *widget);
static void gtk_tree_realize (GtkWidget *widget);
static gint gtk_tree_motion_notify (GtkWidget *widget,
GdkEventMotion *event);
static gint gtk_tree_button_press (GtkWidget *widget,
GdkEventButton *event);
static gint gtk_tree_button_release (GtkWidget *widget,
GdkEventButton *event);
static void gtk_tree_size_request (GtkWidget *widget,
GtkRequisition *requisition);
static void gtk_tree_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static void gtk_tree_add (GtkContainer *container,
GtkWidget *widget);
static void gtk_tree_forall (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data);
static void gtk_real_tree_select_child (GtkTree *tree,
GtkWidget *child);
static void gtk_real_tree_unselect_child (GtkTree *tree,
GtkWidget *child);
static GtkType gtk_tree_child_type (GtkContainer *container);
static GtkContainerClass *parent_class = NULL;
static guint tree_signals[LAST_SIGNAL] = { 0 };
GtkType
gtk_tree_get_type (void)
{
static GtkType tree_type = 0;
if (!tree_type)
{
static const GtkTypeInfo tree_info =
{
"GtkTree",
sizeof (GtkTree),
sizeof (GtkTreeClass),
(GtkClassInitFunc) gtk_tree_class_init,
(GtkObjectInitFunc) gtk_tree_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
I_("GtkTree");
tree_type = gtk_type_unique (gtk_container_get_type (), &tree_info);
}
return tree_type;
}
static void
gtk_tree_class_init (GtkTreeClass *class)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkContainerClass *container_class;
object_class = (GtkObjectClass*) class;
widget_class = (GtkWidgetClass*) class;
container_class = (GtkContainerClass*) class;
parent_class = gtk_type_class (gtk_container_get_type ());
object_class->destroy = gtk_tree_destroy;
widget_class->map = gtk_tree_map;
widget_class->unmap = gtk_tree_unmap;
widget_class->parent_set = gtk_tree_parent_set;
widget_class->realize = gtk_tree_realize;
widget_class->motion_notify_event = gtk_tree_motion_notify;
widget_class->button_press_event = gtk_tree_button_press;
widget_class->button_release_event = gtk_tree_button_release;
widget_class->size_request = gtk_tree_size_request;
widget_class->size_allocate = gtk_tree_size_allocate;
container_class->add = gtk_tree_add;
container_class->remove =
(void (*)(GtkContainer *, GtkWidget *)) gtk_tree_remove_item;
container_class->forall = gtk_tree_forall;
container_class->child_type = gtk_tree_child_type;
class->selection_changed = NULL;
class->select_child = gtk_real_tree_select_child;
class->unselect_child = gtk_real_tree_unselect_child;
tree_signals[SELECTION_CHANGED] =
gtk_signal_new (I_("selection-changed"),
GTK_RUN_FIRST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkTreeClass, selection_changed),
_gtk_marshal_VOID__VOID,
GTK_TYPE_NONE, 0);
tree_signals[SELECT_CHILD] =
gtk_signal_new (I_("select-child"),
GTK_RUN_FIRST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkTreeClass, select_child),
_gtk_marshal_VOID__OBJECT,
GTK_TYPE_NONE, 1,
GTK_TYPE_WIDGET);
tree_signals[UNSELECT_CHILD] =
gtk_signal_new (I_("unselect-child"),
GTK_RUN_FIRST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkTreeClass, unselect_child),
_gtk_marshal_VOID__OBJECT,
GTK_TYPE_NONE, 1,
GTK_TYPE_WIDGET);
}
static GtkType
gtk_tree_child_type (GtkContainer *container)
{
return GTK_TYPE_TREE_ITEM;
}
static void
gtk_tree_init (GtkTree *tree)
{
tree->children = NULL;
tree->root_tree = tree;
tree->selection = NULL;
tree->tree_owner = NULL;
tree->selection_mode = GTK_SELECTION_SINGLE;
tree->indent_value = 9;
tree->current_indent = 0;
tree->level = 0;
tree->view_mode = GTK_TREE_VIEW_LINE;
tree->view_line = TRUE;
}
GtkWidget*
gtk_tree_new (void)
{
return GTK_WIDGET (gtk_type_new (gtk_tree_get_type ()));
}
void
gtk_tree_append (GtkTree *tree,
GtkWidget *tree_item)
{
g_return_if_fail (GTK_IS_TREE (tree));
g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
gtk_tree_insert (tree, tree_item, -1);
}
void
gtk_tree_prepend (GtkTree *tree,
GtkWidget *tree_item)
{
g_return_if_fail (GTK_IS_TREE (tree));
g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
gtk_tree_insert (tree, tree_item, 0);
}
void
gtk_tree_insert (GtkTree *tree,
GtkWidget *tree_item,
gint position)
{
gint nchildren;
g_return_if_fail (GTK_IS_TREE (tree));
g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
nchildren = g_list_length (tree->children);
if ((position < 0) || (position > nchildren))
position = nchildren;
if (position == nchildren)
tree->children = g_list_append (tree->children, tree_item);
else
tree->children = g_list_insert (tree->children, tree_item, position);
gtk_widget_set_parent (tree_item, GTK_WIDGET (tree));
}
static void
gtk_tree_add (GtkContainer *container,
GtkWidget *child)
{
GtkTree *tree;
g_return_if_fail (GTK_IS_TREE (container));
g_return_if_fail (GTK_IS_TREE_ITEM (child));
tree = GTK_TREE (container);
tree->children = g_list_append (tree->children, child);
gtk_widget_set_parent (child, GTK_WIDGET (container));
if (!tree->selection && (tree->selection_mode == GTK_SELECTION_BROWSE))
gtk_tree_select_child (tree, child);
}
static gint
gtk_tree_button_press (GtkWidget *widget,
GdkEventButton *event)
{
GtkTree *tree;
GtkWidget *item;
g_return_val_if_fail (GTK_IS_TREE (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
tree = GTK_TREE (widget);
item = gtk_get_event_widget ((GdkEvent*) event);
while (item && !GTK_IS_TREE_ITEM (item))
item = item->parent;
if (!item || (item->parent != widget))
return FALSE;
switch(event->button)
{
case 1:
gtk_tree_select_child (tree, item);
break;
case 2:
if(GTK_TREE_ITEM(item)->subtree) gtk_tree_item_expand(GTK_TREE_ITEM(item));
break;
case 3:
if(GTK_TREE_ITEM(item)->subtree) gtk_tree_item_collapse(GTK_TREE_ITEM(item));
break;
}
return TRUE;
}
static gint
gtk_tree_button_release (GtkWidget *widget,
GdkEventButton *event)
{
GtkTree *tree;
GtkWidget *item;
g_return_val_if_fail (GTK_IS_TREE (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
tree = GTK_TREE (widget);
item = gtk_get_event_widget ((GdkEvent*) event);
return TRUE;
}
gint
gtk_tree_child_position (GtkTree *tree,
GtkWidget *child)
{
GList *children;
gint pos;
g_return_val_if_fail (GTK_IS_TREE (tree), -1);
g_return_val_if_fail (child != NULL, -1);
pos = 0;
children = tree->children;
while (children)
{
if (child == GTK_WIDGET (children->data))
return pos;
pos += 1;
children = children->next;
}
return -1;
}
void
gtk_tree_clear_items (GtkTree *tree,
gint start,
gint end)
{
GtkWidget *widget;
GList *clear_list;
GList *tmp_list;
guint nchildren;
guint index;
g_return_if_fail (GTK_IS_TREE (tree));
nchildren = g_list_length (tree->children);
if (nchildren > 0)
{
if ((end < 0) || (end > nchildren))
end = nchildren;
if (start >= end)
return;
tmp_list = g_list_nth (tree->children, start);
clear_list = NULL;
index = start;
while (tmp_list && index <= end)
{
widget = tmp_list->data;
tmp_list = tmp_list->next;
index++;
clear_list = g_list_prepend (clear_list, widget);
}
gtk_tree_remove_items (tree, clear_list);
}
}
static void
gtk_tree_destroy (GtkObject *object)
{
GtkTree *tree;
GtkWidget *child;
GList *children;
g_return_if_fail (GTK_IS_TREE (object));
tree = GTK_TREE (object);
children = tree->children;
while (children)
{
child = children->data;
children = children->next;
g_object_ref (child);
gtk_widget_unparent (child);
gtk_widget_destroy (child);
g_object_unref (child);
}
g_list_free (tree->children);
tree->children = NULL;
if (tree->root_tree == tree)
{
GList *node;
for (node = tree->selection; node; node = node->next)
g_object_unref (node->data);
g_list_free (tree->selection);
tree->selection = NULL;
}
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static void
gtk_tree_forall (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data)
{
GtkTree *tree;
GtkWidget *child;
GList *children;
g_return_if_fail (GTK_IS_TREE (container));
g_return_if_fail (callback != NULL);
tree = GTK_TREE (container);
children = tree->children;
while (children)
{
child = children->data;
children = children->next;
(* callback) (child, callback_data);
}
}
static void
gtk_tree_unselect_all (GtkTree *tree)
{
GList *tmp_list, *selection;
GtkWidget *tmp_item;
selection = tree->selection;
tree->selection = NULL;
tmp_list = selection;
while (tmp_list)
{
tmp_item = selection->data;
if (tmp_item->parent &&
GTK_IS_TREE (tmp_item->parent) &&
GTK_TREE (tmp_item->parent)->root_tree == tree)
gtk_tree_item_deselect (GTK_TREE_ITEM (tmp_item));
g_object_unref (tmp_item);
tmp_list = tmp_list->next;
}
g_list_free (selection);
}
static void
gtk_tree_parent_set (GtkWidget *widget,
GtkWidget *previous_parent)
{
GtkTree *tree = GTK_TREE (widget);
GtkWidget *child;
GList *children;
if (GTK_IS_TREE (widget->parent))
{
gtk_tree_unselect_all (tree);
/* set root tree for this tree */
tree->root_tree = GTK_TREE(widget->parent)->root_tree;
tree->level = GTK_TREE(GTK_WIDGET(tree)->parent)->level+1;
tree->indent_value = GTK_TREE(GTK_WIDGET(tree)->parent)->indent_value;
tree->current_indent = GTK_TREE(GTK_WIDGET(tree)->parent)->current_indent +
tree->indent_value;
tree->view_mode = GTK_TREE(GTK_WIDGET(tree)->parent)->view_mode;
tree->view_line = GTK_TREE(GTK_WIDGET(tree)->parent)->view_line;
}
else
{
tree->root_tree = tree;
tree->level = 0;
tree->current_indent = 0;
}
children = tree->children;
while (children)
{
child = children->data;
children = children->next;
if (GTK_TREE_ITEM (child)->subtree)
gtk_tree_parent_set (GTK_TREE_ITEM (child)->subtree, child);
}
}
static void
gtk_tree_map (GtkWidget *widget)
{
GtkTree *tree = GTK_TREE (widget);
GtkWidget *child;
GList *children;
gtk_widget_set_mapped (widget, TRUE);
children = tree->children;
while (children)
{
child = children->data;
children = children->next;
if (gtk_widget_get_visible (child) &&
!gtk_widget_get_mapped (child))
gtk_widget_map (child);
if (GTK_TREE_ITEM (child)->subtree)
{
child = GTK_WIDGET (GTK_TREE_ITEM (child)->subtree);
if (gtk_widget_get_visible (child) && !gtk_widget_get_mapped (child))
gtk_widget_map (child);
}
}
gdk_window_show (widget->window);
}
static gint
gtk_tree_motion_notify (GtkWidget *widget,
GdkEventMotion *event)
{
g_return_val_if_fail (GTK_IS_TREE (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
#ifdef TREE_DEBUG
g_message("gtk_tree_motion_notify\n");
#endif /* TREE_DEBUG */
return FALSE;
}
static void
gtk_tree_realize (GtkWidget *widget)
{
GdkWindowAttr attributes;
gint attributes_mask;
g_return_if_fail (GTK_IS_TREE (widget));
gtk_widget_set_realized (widget, TRUE);
attributes.window_type = GDK_WINDOW_CHILD;
attributes.x = widget->allocation.x;
attributes.y = widget->allocation.y;
attributes.width = widget->allocation.width;
attributes.height = widget->allocation.height;
attributes.wclass = GDK_INPUT_OUTPUT;
attributes.visual = gtk_widget_get_visual (widget);
attributes.colormap = gtk_widget_get_colormap (widget);
attributes.event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
gdk_window_set_user_data (widget->window, widget);
widget->style = gtk_style_attach (widget->style, widget->window);
gdk_window_set_background (widget->window,
&widget->style->base[GTK_STATE_NORMAL]);
}
void
gtk_tree_remove_item (GtkTree *container,
GtkWidget *widget)
{
GList *item_list;
g_return_if_fail (GTK_IS_TREE (container));
g_return_if_fail (widget != NULL);
g_return_if_fail (container == GTK_TREE (widget->parent));
item_list = g_list_append (NULL, widget);
gtk_tree_remove_items (GTK_TREE (container), item_list);
g_list_free (item_list);
}
/* used by gtk_tree_remove_items to make the function independent of
order in list of items to remove.
Sort item by depth in tree */
static gint
gtk_tree_sort_item_by_depth(GtkWidget* a, GtkWidget* b)
{
if((GTK_TREE(a->parent)->level) < (GTK_TREE(b->parent)->level))
return 1;
if((GTK_TREE(a->parent)->level) > (GTK_TREE(b->parent)->level))
return -1;
return 0;
}
void
gtk_tree_remove_items (GtkTree *tree,
GList *items)
{
GtkWidget *widget;
GList *selected_widgets;
GList *tmp_list;
GList *sorted_list;
GtkTree *real_tree;
GtkTree *root_tree;
g_return_if_fail (GTK_IS_TREE (tree));
#ifdef TREE_DEBUG
g_message("+ gtk_tree_remove_items [ tree %#x items list %#x ]\n", (int)tree, (int)items);
#endif /* TREE_DEBUG */
/* We may not yet be mapped, so we actively have to find our
* root tree
*/
if (tree->root_tree)
root_tree = tree->root_tree;
else
{
GtkWidget *tmp = GTK_WIDGET (tree);
while (GTK_IS_TREE (tmp->parent))
tmp = tmp->parent;
root_tree = GTK_TREE (tmp);
}
tmp_list = items;
selected_widgets = NULL;
sorted_list = NULL;
widget = NULL;
#ifdef TREE_DEBUG
g_message("* sort list by depth\n");
#endif /* TREE_DEBUG */
while (tmp_list)
{
#ifdef TREE_DEBUG
g_message ("* item [%#x] depth [%d]\n",
(int)tmp_list->data,
(int)GTK_TREE(GTK_WIDGET(tmp_list->data)->parent)->level);
#endif /* TREE_DEBUG */
sorted_list = g_list_insert_sorted(sorted_list,
tmp_list->data,
(GCompareFunc)gtk_tree_sort_item_by_depth);
tmp_list = g_list_next(tmp_list);
}
#ifdef TREE_DEBUG
/* print sorted list */
g_message("* sorted list result\n");
tmp_list = sorted_list;
while(tmp_list)
{
g_message("* item [%#x] depth [%d]\n",
(int)tmp_list->data,
(int)GTK_TREE(GTK_WIDGET(tmp_list->data)->parent)->level);
tmp_list = g_list_next(tmp_list);
}
#endif /* TREE_DEBUG */
#ifdef TREE_DEBUG
g_message("* scan sorted list\n");
#endif /* TREE_DEBUG */
tmp_list = sorted_list;
while (tmp_list)
{
widget = tmp_list->data;
tmp_list = tmp_list->next;
#ifdef TREE_DEBUG
g_message("* item [%#x] subtree [%#x]\n",
(int)widget, (int)GTK_TREE_ITEM_SUBTREE(widget));
#endif /* TREE_DEBUG */
/* get real owner of this widget */
real_tree = GTK_TREE(widget->parent);
#ifdef TREE_DEBUG
g_message("* subtree having this widget [%#x]\n", (int)real_tree);
#endif /* TREE_DEBUG */
if (widget->state == GTK_STATE_SELECTED)
{
selected_widgets = g_list_prepend (selected_widgets, widget);
#ifdef TREE_DEBUG
g_message("* selected widget - adding it in selected list [%#x]\n",
(int)selected_widgets);
#endif /* TREE_DEBUG */
}
/* remove this item from its real parent */
#ifdef TREE_DEBUG
g_message("* remove widget from its owner tree\n");
#endif /* TREE_DEBUG */
real_tree->children = g_list_remove (real_tree->children, widget);
/* remove subtree associate at this item if it exist */
if(GTK_TREE_ITEM(widget)->subtree)
{
#ifdef TREE_DEBUG
g_message("* remove subtree associate at this item [%#x]\n",
(int) GTK_TREE_ITEM(widget)->subtree);
#endif /* TREE_DEBUG */
if (gtk_widget_get_mapped (GTK_TREE_ITEM(widget)->subtree))
gtk_widget_unmap (GTK_TREE_ITEM(widget)->subtree);
gtk_widget_unparent (GTK_TREE_ITEM(widget)->subtree);
GTK_TREE_ITEM(widget)->subtree = NULL;
}
/* really remove widget for this item */
#ifdef TREE_DEBUG
g_message("* unmap and unparent widget [%#x]\n", (int)widget);
#endif /* TREE_DEBUG */
if (gtk_widget_get_mapped (widget))
gtk_widget_unmap (widget);
gtk_widget_unparent (widget);
/* delete subtree if there is no children in it */
if(real_tree->children == NULL &&
real_tree != root_tree)
{
#ifdef TREE_DEBUG
g_message("* owner tree don't have children ... destroy it\n");
#endif /* TREE_DEBUG */
gtk_tree_item_remove_subtree(GTK_TREE_ITEM(real_tree->tree_owner));
}
#ifdef TREE_DEBUG
g_message("* next item in list\n");
#endif /* TREE_DEBUG */
}
if (selected_widgets)
{
#ifdef TREE_DEBUG
g_message("* scan selected item list\n");
#endif /* TREE_DEBUG */
tmp_list = selected_widgets;
while (tmp_list)
{
widget = tmp_list->data;
tmp_list = tmp_list->next;
#ifdef TREE_DEBUG
g_message("* widget [%#x] subtree [%#x]\n",
(int)widget, (int)GTK_TREE_ITEM_SUBTREE(widget));
#endif /* TREE_DEBUG */
/* remove widget of selection */
root_tree->selection = g_list_remove (root_tree->selection, widget);
/* unref it to authorize is destruction */
g_object_unref (widget);
}
/* emit only one selection_changed signal */
gtk_signal_emit (GTK_OBJECT (root_tree),
tree_signals[SELECTION_CHANGED]);
}
#ifdef TREE_DEBUG
g_message("* free selected_widgets list\n");
#endif /* TREE_DEBUG */
g_list_free (selected_widgets);
g_list_free (sorted_list);
if (root_tree->children && !root_tree->selection &&
(root_tree->selection_mode == GTK_SELECTION_BROWSE))
{
#ifdef TREE_DEBUG
g_message("* BROWSE mode, select another item\n");
#endif /* TREE_DEBUG */
widget = root_tree->children->data;
gtk_tree_select_child (root_tree, widget);
}
if (gtk_widget_get_visible (GTK_WIDGET (root_tree)))
{
#ifdef TREE_DEBUG
g_message("* query queue resizing for root_tree\n");
#endif /* TREE_DEBUG */
gtk_widget_queue_resize (GTK_WIDGET (root_tree));
}
}
void
gtk_tree_select_child (GtkTree *tree,
GtkWidget *tree_item)
{
g_return_if_fail (GTK_IS_TREE (tree));
g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
gtk_signal_emit (GTK_OBJECT (tree), tree_signals[SELECT_CHILD], tree_item);
}
void
gtk_tree_select_item (GtkTree *tree,
gint item)
{
GList *tmp_list;
g_return_if_fail (GTK_IS_TREE (tree));
tmp_list = g_list_nth (tree->children, item);
if (tmp_list)
gtk_tree_select_child (tree, GTK_WIDGET (tmp_list->data));
}
static void
gtk_tree_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkTree *tree;
GtkWidget *child, *subtree;
GtkAllocation child_allocation;
GList *children;
g_return_if_fail (GTK_IS_TREE (widget));
g_return_if_fail (allocation != NULL);
tree = GTK_TREE (widget);
widget->allocation = *allocation;
if (gtk_widget_get_realized (widget))
gdk_window_move_resize (widget->window,
allocation->x, allocation->y,
allocation->width, allocation->height);
if (tree->children)
{
child_allocation.x = GTK_CONTAINER (tree)->border_width;
child_allocation.y = GTK_CONTAINER (tree)->border_width;
child_allocation.width = MAX (1, (gint)allocation->width - child_allocation.x * 2);
children = tree->children;
while (children)
{
child = children->data;
children = children->next;
if (gtk_widget_get_visible (child))
{
GtkRequisition child_requisition;
gtk_widget_get_child_requisition (child, &child_requisition);
child_allocation.height = child_requisition.height;
gtk_widget_size_allocate (child, &child_allocation);
child_allocation.y += child_allocation.height;
if((subtree = GTK_TREE_ITEM(child)->subtree))
if(gtk_widget_get_visible (subtree))
{
child_allocation.height = subtree->requisition.height;
gtk_widget_size_allocate (subtree, &child_allocation);
child_allocation.y += child_allocation.height;
}
}
}
}
}
static void
gtk_tree_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
GtkTree *tree;
GtkWidget *child, *subtree;
GList *children;
GtkRequisition child_requisition;
g_return_if_fail (GTK_IS_TREE (widget));
g_return_if_fail (requisition != NULL);
tree = GTK_TREE (widget);
requisition->width = 0;
requisition->height = 0;
children = tree->children;
while (children)
{
child = children->data;
children = children->next;
if (gtk_widget_get_visible (child))
{
gtk_widget_size_request (child, &child_requisition);
requisition->width = MAX (requisition->width, child_requisition.width);
requisition->height += child_requisition.height;
if((subtree = GTK_TREE_ITEM(child)->subtree) &&
gtk_widget_get_visible (subtree))
{
gtk_widget_size_request (subtree, &child_requisition);
requisition->width = MAX (requisition->width,
child_requisition.width);
requisition->height += child_requisition.height;
}
}
}
requisition->width += GTK_CONTAINER (tree)->border_width * 2;
requisition->height += GTK_CONTAINER (tree)->border_width * 2;
requisition->width = MAX (requisition->width, 1);
requisition->height = MAX (requisition->height, 1);
}
static void
gtk_tree_unmap (GtkWidget *widget)
{
g_return_if_fail (GTK_IS_TREE (widget));
gtk_widget_set_mapped (widget, FALSE);
gdk_window_hide (widget->window);
}
void
gtk_tree_unselect_child (GtkTree *tree,
GtkWidget *tree_item)
{
g_return_if_fail (GTK_IS_TREE (tree));
g_return_if_fail (GTK_IS_TREE_ITEM (tree_item));
gtk_signal_emit (GTK_OBJECT (tree), tree_signals[UNSELECT_CHILD], tree_item);
}
void
gtk_tree_unselect_item (GtkTree *tree,
gint item)
{
GList *tmp_list;
g_return_if_fail (GTK_IS_TREE (tree));
tmp_list = g_list_nth (tree->children, item);
if (tmp_list)
gtk_tree_unselect_child (tree, GTK_WIDGET (tmp_list->data));
}
static void
gtk_real_tree_select_child (GtkTree *tree,
GtkWidget *child)
{
GList *selection, *root_selection;
GList *tmp_list;
GtkWidget *tmp_item;
g_return_if_fail (GTK_IS_TREE (tree));
g_return_if_fail (GTK_IS_TREE_ITEM (child));
root_selection = tree->root_tree->selection;
switch (tree->root_tree->selection_mode)
{
case GTK_SELECTION_SINGLE:
selection = root_selection;
/* remove old selection list */
while (selection)
{
tmp_item = selection->data;
if (tmp_item != child)
{
gtk_tree_item_deselect (GTK_TREE_ITEM (tmp_item));
tmp_list = selection;
selection = selection->next;
root_selection = g_list_remove_link (root_selection, tmp_list);
g_object_unref (tmp_item);
g_list_free (tmp_list);
}
else
selection = selection->next;
}
if (child->state == GTK_STATE_NORMAL)
{
gtk_tree_item_select (GTK_TREE_ITEM (child));
root_selection = g_list_prepend (root_selection, child);
g_object_ref (child);
}
else if (child->state == GTK_STATE_SELECTED)
{
gtk_tree_item_deselect (GTK_TREE_ITEM (child));
root_selection = g_list_remove (root_selection, child);
g_object_unref (child);
}
tree->root_tree->selection = root_selection;
gtk_signal_emit (GTK_OBJECT (tree->root_tree),
tree_signals[SELECTION_CHANGED]);
break;
case GTK_SELECTION_BROWSE:
selection = root_selection;
while (selection)
{
tmp_item = selection->data;
if (tmp_item != child)
{
gtk_tree_item_deselect (GTK_TREE_ITEM (tmp_item));
tmp_list = selection;
selection = selection->next;
root_selection = g_list_remove_link (root_selection, tmp_list);
g_object_unref (tmp_item);
g_list_free (tmp_list);
}
else
selection = selection->next;
}
tree->root_tree->selection = root_selection;
if (child->state == GTK_STATE_NORMAL)
{
gtk_tree_item_select (GTK_TREE_ITEM (child));
root_selection = g_list_prepend (root_selection, child);
g_object_ref (child);
tree->root_tree->selection = root_selection;
gtk_signal_emit (GTK_OBJECT (tree->root_tree),
tree_signals[SELECTION_CHANGED]);
}
break;
case GTK_SELECTION_MULTIPLE:
break;
}
}
static void
gtk_real_tree_unselect_child (GtkTree *tree,
GtkWidget *child)
{
g_return_if_fail (GTK_IS_TREE (tree));
g_return_if_fail (GTK_IS_TREE_ITEM (child));
switch (tree->selection_mode)
{
case GTK_SELECTION_SINGLE:
case GTK_SELECTION_BROWSE:
if (child->state == GTK_STATE_SELECTED)
{
GtkTree* root_tree = GTK_TREE_ROOT_TREE(tree);
gtk_tree_item_deselect (GTK_TREE_ITEM (child));
root_tree->selection = g_list_remove (root_tree->selection, child);
g_object_unref (child);
gtk_signal_emit (GTK_OBJECT (tree->root_tree),
tree_signals[SELECTION_CHANGED]);
}
break;
case GTK_SELECTION_MULTIPLE:
break;
}
}
void
gtk_tree_set_selection_mode (GtkTree *tree,
GtkSelectionMode mode)
{
g_return_if_fail (GTK_IS_TREE (tree));
tree->selection_mode = mode;
}
void
gtk_tree_set_view_mode (GtkTree *tree,
GtkTreeViewMode mode)
{
g_return_if_fail (GTK_IS_TREE (tree));
tree->view_mode = mode;
}
void
gtk_tree_set_view_lines (GtkTree *tree,
gboolean flag)
{
g_return_if_fail (GTK_IS_TREE (tree));
tree->view_line = flag;
}
#define __GTK_TREE_C__
#include "gtkaliasdef.c"