forked from AuroraMiddleware/gtk
4038cd76b3
This actually much simplifies interaction with GtkTreeSelection (at least reduces code size where dealing width the treeview anchor path).
1486 lines
39 KiB
C
1486 lines
39 KiB
C
/* gtktreeselection.h
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* Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <string.h>
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#include "gtktreeselection.h"
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#include "gtktreeprivate.h"
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#include "gtkrbtree.h"
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#include "gtkmarshalers.h"
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#include "gtkintl.h"
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/**
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* SECTION:gtktreeselection
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* @Short_description: The selection object for GtkTreeView
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* @Title: GtkTreeSelection
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* @See_also: #GtkTreeView, #GtkTreeViewColumn, #GtkTreeDnd, #GtkTreeMode,
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* #GtkTreeSortable, #GtkTreeModelSort, #GtkListStore, #GtkTreeStore,
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* #GtkCellRenderer, #GtkCellEditable, #GtkCellRendererPixbuf,
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* #GtkCellRendererText, #GtkCellRendererToggle
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*
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* The #GtkTreeSelection object is a helper object to manage the selection
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* for a #GtkTreeView widget. The #GtkTreeSelection object is
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* automatically created when a new #GtkTreeView widget is created, and
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* cannot exist independentally of this widget. The primary reason the
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* #GtkTreeSelection objects exists is for cleanliness of code and API.
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* That is, there is no conceptual reason all these functions could not be
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* methods on the #GtkTreeView widget instead of a separate function.
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*
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* The #GtkTreeSelection object is gotten from a #GtkTreeView by calling
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* gtk_tree_view_get_selection(). It can be manipulated to check the
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* selection status of the tree, as well as select and deselect individual
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* rows. Selection is done completely view side. As a result, multiple
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* views of the same model can have completely different selections.
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* Additionally, you cannot change the selection of a row on the model that
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* is not currently displayed by the view without expanding its parents
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* first.
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*
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* One of the important things to remember when monitoring the selection of
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* a view is that the #GtkTreeSelection::changed signal is mostly a hint.
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* That is,it may only emit one signal when a range of rows is selected.
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* Additionally, it may on occasion emit a #GtkTreeSelection::changed signal
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* when nothing has happened (mostly as a result of programmers calling
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* select_row on an already selected row).
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*/
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static void gtk_tree_selection_finalize (GObject *object);
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static gint gtk_tree_selection_real_select_all (GtkTreeSelection *selection);
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static gint gtk_tree_selection_real_unselect_all (GtkTreeSelection *selection);
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static gint gtk_tree_selection_real_select_node (GtkTreeSelection *selection,
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GtkRBTree *tree,
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GtkRBNode *node,
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gboolean select);
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enum
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{
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CHANGED,
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LAST_SIGNAL
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};
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static guint tree_selection_signals [LAST_SIGNAL] = { 0 };
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G_DEFINE_TYPE (GtkTreeSelection, gtk_tree_selection, G_TYPE_OBJECT)
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static void
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gtk_tree_selection_class_init (GtkTreeSelectionClass *class)
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{
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GObjectClass *object_class;
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object_class = (GObjectClass*) class;
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object_class->finalize = gtk_tree_selection_finalize;
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class->changed = NULL;
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/**
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* GtkTreeSelection::changed:
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* @treeselection: the object which received the signal.
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*
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* Emitted whenever the selection has (possibly) changed. Please note that
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* this signal is mostly a hint. It may only be emitted once when a range
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* of rows are selected, and it may occasionally be emitted when nothing
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* has happened.
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*/
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tree_selection_signals[CHANGED] =
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g_signal_new (I_("changed"),
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G_OBJECT_CLASS_TYPE (object_class),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GtkTreeSelectionClass, changed),
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NULL, NULL,
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_gtk_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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}
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static void
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gtk_tree_selection_init (GtkTreeSelection *selection)
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{
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selection->type = GTK_SELECTION_SINGLE;
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}
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static void
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gtk_tree_selection_finalize (GObject *object)
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{
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GtkTreeSelection *selection = GTK_TREE_SELECTION (object);
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if (selection->destroy)
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selection->destroy (selection->user_data);
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/* chain parent_class' handler */
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G_OBJECT_CLASS (gtk_tree_selection_parent_class)->finalize (object);
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}
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/**
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* _gtk_tree_selection_new:
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*
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* Creates a new #GtkTreeSelection object. This function should not be invoked,
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* as each #GtkTreeView will create its own #GtkTreeSelection.
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*
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* Return value: A newly created #GtkTreeSelection object.
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**/
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GtkTreeSelection*
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_gtk_tree_selection_new (void)
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{
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GtkTreeSelection *selection;
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selection = g_object_new (GTK_TYPE_TREE_SELECTION, NULL);
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return selection;
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}
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/**
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* _gtk_tree_selection_new_with_tree_view:
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* @tree_view: The #GtkTreeView.
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*
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* Creates a new #GtkTreeSelection object. This function should not be invoked,
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* as each #GtkTreeView will create its own #GtkTreeSelection.
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*
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* Return value: A newly created #GtkTreeSelection object.
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**/
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GtkTreeSelection*
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_gtk_tree_selection_new_with_tree_view (GtkTreeView *tree_view)
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{
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GtkTreeSelection *selection;
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g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL);
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selection = _gtk_tree_selection_new ();
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_gtk_tree_selection_set_tree_view (selection, tree_view);
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return selection;
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}
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/**
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* _gtk_tree_selection_set_tree_view:
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* @selection: A #GtkTreeSelection.
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* @tree_view: The #GtkTreeView.
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*
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* Sets the #GtkTreeView of @selection. This function should not be invoked, as
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* it is used internally by #GtkTreeView.
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**/
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void
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_gtk_tree_selection_set_tree_view (GtkTreeSelection *selection,
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GtkTreeView *tree_view)
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{
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g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
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if (tree_view != NULL)
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g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
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selection->tree_view = tree_view;
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}
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/**
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* gtk_tree_selection_set_mode:
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* @selection: A #GtkTreeSelection.
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* @type: The selection mode
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*
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* Sets the selection mode of the @selection. If the previous type was
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* #GTK_SELECTION_MULTIPLE, then the anchor is kept selected, if it was
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* previously selected.
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**/
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void
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gtk_tree_selection_set_mode (GtkTreeSelection *selection,
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GtkSelectionMode type)
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{
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GtkTreeSelectionFunc tmp_func;
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g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
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if (selection->type == type)
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return;
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if (type == GTK_SELECTION_NONE)
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{
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/* We do this so that we unconditionally unset all rows
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*/
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tmp_func = selection->user_func;
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selection->user_func = NULL;
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gtk_tree_selection_unselect_all (selection);
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selection->user_func = tmp_func;
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_gtk_tree_view_set_anchor_path (selection->tree_view, NULL);
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}
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else if (type == GTK_SELECTION_SINGLE ||
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type == GTK_SELECTION_BROWSE)
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{
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GtkRBTree *tree = NULL;
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GtkRBNode *node = NULL;
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gint selected = FALSE;
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GtkTreePath *anchor_path = NULL;
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anchor_path = _gtk_tree_view_get_anchor_path (selection->tree_view);
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if (anchor_path)
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{
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_gtk_tree_view_find_node (selection->tree_view,
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anchor_path,
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&tree,
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&node);
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if (node && GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
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selected = TRUE;
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}
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/* We do this so that we unconditionally unset all rows
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*/
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tmp_func = selection->user_func;
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selection->user_func = NULL;
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gtk_tree_selection_unselect_all (selection);
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selection->user_func = tmp_func;
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if (node && selected)
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_gtk_tree_selection_internal_select_node (selection,
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node,
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tree,
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anchor_path,
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0,
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FALSE);
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if (anchor_path)
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gtk_tree_path_free (anchor_path);
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}
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selection->type = type;
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}
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/**
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* gtk_tree_selection_get_mode:
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* @selection: a #GtkTreeSelection
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*
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* Gets the selection mode for @selection. See
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* gtk_tree_selection_set_mode().
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*
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* Return value: the current selection mode
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**/
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GtkSelectionMode
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gtk_tree_selection_get_mode (GtkTreeSelection *selection)
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{
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g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), GTK_SELECTION_SINGLE);
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return selection->type;
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}
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/**
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* gtk_tree_selection_set_select_function:
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* @selection: A #GtkTreeSelection.
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* @func: The selection function. May be %NULL
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* @data: The selection function's data. May be %NULL
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* @destroy: The destroy function for user data. May be %NULL
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*
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* Sets the selection function.
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*
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* If set, this function is called before any node is selected or unselected,
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* giving some control over which nodes are selected. The select function
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* should return %TRUE if the state of the node may be toggled, and %FALSE
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* if the state of the node should be left unchanged.
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*/
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void
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gtk_tree_selection_set_select_function (GtkTreeSelection *selection,
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GtkTreeSelectionFunc func,
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gpointer data,
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GDestroyNotify destroy)
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{
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g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
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if (selection->destroy)
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selection->destroy (selection->user_data);
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selection->user_func = func;
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selection->user_data = data;
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selection->destroy = destroy;
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}
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/**
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* gtk_tree_selection_get_select_function: (skip)
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* @selection: A #GtkTreeSelection.
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*
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* Returns the current selection function.
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*
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* Return value: The function.
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*
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* Since: 2.14
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**/
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GtkTreeSelectionFunc
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gtk_tree_selection_get_select_function (GtkTreeSelection *selection)
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{
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g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), NULL);
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return selection->user_func;
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}
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/**
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* gtk_tree_selection_get_user_data: (skip)
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* @selection: A #GtkTreeSelection.
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*
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* Returns the user data for the selection function.
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*
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* Return value: The user data.
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**/
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gpointer
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gtk_tree_selection_get_user_data (GtkTreeSelection *selection)
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{
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g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), NULL);
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return selection->user_data;
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}
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/**
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* gtk_tree_selection_get_tree_view:
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* @selection: A #GtkTreeSelection
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*
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* Returns the tree view associated with @selection.
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*
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* Return value: (transfer none): A #GtkTreeView
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**/
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GtkTreeView *
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gtk_tree_selection_get_tree_view (GtkTreeSelection *selection)
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{
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g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), NULL);
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return selection->tree_view;
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}
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/**
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* gtk_tree_selection_get_selected:
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* @selection: A #GtkTreeSelection.
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* @model: (out) (allow-none) (transfer none): A pointer to set to the #GtkTreeModel, or NULL.
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* @iter: (out) (allow-none): The #GtkTreeIter, or NULL.
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*
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* Sets @iter to the currently selected node if @selection is set to
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* #GTK_SELECTION_SINGLE or #GTK_SELECTION_BROWSE. @iter may be NULL if you
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* just want to test if @selection has any selected nodes. @model is filled
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* with the current model as a convenience. This function will not work if you
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* use @selection is #GTK_SELECTION_MULTIPLE.
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*
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* Return value: TRUE, if there is a selected node.
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**/
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gboolean
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gtk_tree_selection_get_selected (GtkTreeSelection *selection,
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GtkTreeModel **model,
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GtkTreeIter *iter)
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{
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GtkRBTree *tree;
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GtkRBNode *node;
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GtkTreePath *anchor_path;
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gboolean retval;
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gboolean found_node;
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g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), FALSE);
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g_return_val_if_fail (selection->type != GTK_SELECTION_MULTIPLE, FALSE);
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g_return_val_if_fail (selection->tree_view != NULL, FALSE);
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/* Clear the iter */
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if (iter)
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memset (iter, 0, sizeof (GtkTreeIter));
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if (model)
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*model = gtk_tree_view_get_model (selection->tree_view);
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anchor_path = _gtk_tree_view_get_anchor_path (selection->tree_view);
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if (anchor_path == NULL)
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return FALSE;
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retval = FALSE;
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found_node = !_gtk_tree_view_find_node (selection->tree_view,
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anchor_path,
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&tree,
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&node);
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if (found_node && GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
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{
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/* we only want to return the anchor if it exists in the rbtree and
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* is selected.
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*/
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if (iter == NULL)
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retval = TRUE;
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else
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retval = gtk_tree_model_get_iter (gtk_tree_view_get_model (selection->tree_view),
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iter,
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anchor_path);
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}
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else
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{
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/* We don't want to return the anchor if it isn't actually selected.
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*/
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retval = FALSE;
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}
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gtk_tree_path_free (anchor_path);
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return retval;
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}
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/**
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* gtk_tree_selection_get_selected_rows:
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* @selection: A #GtkTreeSelection.
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* @model: (out) (allow-none) (transfer none): A pointer to set to the #GtkTreeModel, or %NULL.
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*
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* Creates a list of path of all selected rows. Additionally, if you are
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* planning on modifying the model after calling this function, you may
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* want to convert the returned list into a list of #GtkTreeRowReference<!-- -->s.
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* To do this, you can use gtk_tree_row_reference_new().
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*
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* To free the return value, use:
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* |[
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* g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
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* g_list_free (list);
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* ]|
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*
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* Return value: (element-type GtkTreePath) (transfer full): A #GList containing a #GtkTreePath for each selected row.
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*
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* Since: 2.2
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**/
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GList *
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gtk_tree_selection_get_selected_rows (GtkTreeSelection *selection,
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GtkTreeModel **model)
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{
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GList *list = NULL;
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GtkRBTree *tree = NULL;
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GtkRBNode *node = NULL;
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GtkTreePath *path;
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g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), NULL);
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g_return_val_if_fail (selection->tree_view != NULL, NULL);
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if (model)
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*model = gtk_tree_view_get_model (selection->tree_view);
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tree = _gtk_tree_view_get_rbtree (selection->tree_view);
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if (tree == NULL || tree->root == NULL)
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return NULL;
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if (selection->type == GTK_SELECTION_NONE)
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return NULL;
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else if (selection->type != GTK_SELECTION_MULTIPLE)
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{
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GtkTreeIter iter;
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if (gtk_tree_selection_get_selected (selection, NULL, &iter))
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{
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GtkTreePath *path;
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path = gtk_tree_model_get_path (gtk_tree_view_get_model (selection->tree_view), &iter);
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list = g_list_append (list, path);
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return list;
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}
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return NULL;
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}
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node = tree->root;
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while (node->left != tree->nil)
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node = node->left;
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path = gtk_tree_path_new_first ();
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do
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{
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if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
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list = g_list_prepend (list, gtk_tree_path_copy (path));
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if (node->children)
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{
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tree = node->children;
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node = tree->root;
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while (node->left != tree->nil)
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node = node->left;
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gtk_tree_path_append_index (path, 0);
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}
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else
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{
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gboolean done = FALSE;
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do
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{
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node = _gtk_rbtree_next (tree, node);
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if (node != NULL)
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{
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done = TRUE;
|
|
gtk_tree_path_next (path);
|
|
}
|
|
else
|
|
{
|
|
node = tree->parent_node;
|
|
tree = tree->parent_tree;
|
|
|
|
if (!tree)
|
|
{
|
|
gtk_tree_path_free (path);
|
|
|
|
goto done;
|
|
}
|
|
|
|
gtk_tree_path_up (path);
|
|
}
|
|
}
|
|
while (!done);
|
|
}
|
|
}
|
|
while (TRUE);
|
|
|
|
gtk_tree_path_free (path);
|
|
|
|
done:
|
|
return g_list_reverse (list);
|
|
}
|
|
|
|
static void
|
|
gtk_tree_selection_count_selected_rows_helper (GtkRBTree *tree,
|
|
GtkRBNode *node,
|
|
gpointer data)
|
|
{
|
|
gint *count = (gint *)data;
|
|
|
|
if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
|
|
(*count)++;
|
|
|
|
if (node->children)
|
|
_gtk_rbtree_traverse (node->children, node->children->root,
|
|
G_PRE_ORDER,
|
|
gtk_tree_selection_count_selected_rows_helper, data);
|
|
}
|
|
|
|
/**
|
|
* gtk_tree_selection_count_selected_rows:
|
|
* @selection: A #GtkTreeSelection.
|
|
*
|
|
* Returns the number of rows that have been selected in @tree.
|
|
*
|
|
* Return value: The number of rows selected.
|
|
*
|
|
* Since: 2.2
|
|
**/
|
|
gint
|
|
gtk_tree_selection_count_selected_rows (GtkTreeSelection *selection)
|
|
{
|
|
gint count = 0;
|
|
GtkRBTree *tree;
|
|
|
|
g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), 0);
|
|
g_return_val_if_fail (selection->tree_view != NULL, 0);
|
|
|
|
tree = _gtk_tree_view_get_rbtree (selection->tree_view);
|
|
|
|
if (tree == NULL || tree->root == NULL)
|
|
return 0;
|
|
|
|
if (selection->type == GTK_SELECTION_SINGLE ||
|
|
selection->type == GTK_SELECTION_BROWSE)
|
|
{
|
|
if (gtk_tree_selection_get_selected (selection, NULL, NULL))
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
_gtk_rbtree_traverse (tree, tree->root,
|
|
G_PRE_ORDER,
|
|
gtk_tree_selection_count_selected_rows_helper,
|
|
&count);
|
|
|
|
return count;
|
|
}
|
|
|
|
/* gtk_tree_selection_selected_foreach helper */
|
|
static void
|
|
model_changed (gpointer data)
|
|
{
|
|
gboolean *stop = (gboolean *)data;
|
|
|
|
*stop = TRUE;
|
|
}
|
|
|
|
/**
|
|
* gtk_tree_selection_selected_foreach:
|
|
* @selection: A #GtkTreeSelection.
|
|
* @func: (scope call): The function to call for each selected node.
|
|
* @data: user data to pass to the function.
|
|
*
|
|
* Calls a function for each selected node. Note that you cannot modify
|
|
* the tree or selection from within this function. As a result,
|
|
* gtk_tree_selection_get_selected_rows() might be more useful.
|
|
**/
|
|
void
|
|
gtk_tree_selection_selected_foreach (GtkTreeSelection *selection,
|
|
GtkTreeSelectionForeachFunc func,
|
|
gpointer data)
|
|
{
|
|
GtkTreePath *path;
|
|
GtkRBTree *tree;
|
|
GtkRBNode *node;
|
|
GtkTreeIter iter;
|
|
GtkTreeModel *model;
|
|
|
|
gulong inserted_id, deleted_id, reordered_id, changed_id;
|
|
gboolean stop = FALSE;
|
|
|
|
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
|
|
g_return_if_fail (selection->tree_view != NULL);
|
|
|
|
tree = _gtk_tree_view_get_rbtree (selection->tree_view);
|
|
|
|
if (func == NULL || tree == NULL || tree->root == NULL)
|
|
return;
|
|
|
|
model = gtk_tree_view_get_model (selection->tree_view);
|
|
|
|
if (selection->type == GTK_SELECTION_SINGLE ||
|
|
selection->type == GTK_SELECTION_BROWSE)
|
|
{
|
|
path = _gtk_tree_view_get_anchor_path (selection->tree_view);
|
|
|
|
if (path)
|
|
{
|
|
gtk_tree_model_get_iter (model, &iter, path);
|
|
(* func) (model, path, &iter, data);
|
|
gtk_tree_path_free (path);
|
|
}
|
|
return;
|
|
}
|
|
|
|
node = tree->root;
|
|
|
|
while (node->left != tree->nil)
|
|
node = node->left;
|
|
|
|
g_object_ref (model);
|
|
|
|
/* connect to signals to monitor changes in treemodel */
|
|
inserted_id = g_signal_connect_swapped (model, "row-inserted",
|
|
G_CALLBACK (model_changed),
|
|
&stop);
|
|
deleted_id = g_signal_connect_swapped (model, "row-deleted",
|
|
G_CALLBACK (model_changed),
|
|
&stop);
|
|
reordered_id = g_signal_connect_swapped (model, "rows-reordered",
|
|
G_CALLBACK (model_changed),
|
|
&stop);
|
|
changed_id = g_signal_connect_swapped (selection->tree_view, "notify::model",
|
|
G_CALLBACK (model_changed),
|
|
&stop);
|
|
|
|
/* find the node internally */
|
|
path = gtk_tree_path_new_first ();
|
|
|
|
do
|
|
{
|
|
if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
|
|
{
|
|
gtk_tree_model_get_iter (model, &iter, path);
|
|
(* func) (model, path, &iter, data);
|
|
}
|
|
|
|
if (stop)
|
|
goto out;
|
|
|
|
if (node->children)
|
|
{
|
|
tree = node->children;
|
|
node = tree->root;
|
|
|
|
while (node->left != tree->nil)
|
|
node = node->left;
|
|
|
|
gtk_tree_path_append_index (path, 0);
|
|
}
|
|
else
|
|
{
|
|
gboolean done = FALSE;
|
|
|
|
do
|
|
{
|
|
node = _gtk_rbtree_next (tree, node);
|
|
if (node != NULL)
|
|
{
|
|
done = TRUE;
|
|
gtk_tree_path_next (path);
|
|
}
|
|
else
|
|
{
|
|
node = tree->parent_node;
|
|
tree = tree->parent_tree;
|
|
|
|
if (tree == NULL)
|
|
{
|
|
/* we've run out of tree */
|
|
/* We're done with this function */
|
|
|
|
goto out;
|
|
}
|
|
|
|
gtk_tree_path_up (path);
|
|
}
|
|
}
|
|
while (!done);
|
|
}
|
|
}
|
|
while (TRUE);
|
|
|
|
out:
|
|
if (path)
|
|
gtk_tree_path_free (path);
|
|
|
|
g_signal_handler_disconnect (model, inserted_id);
|
|
g_signal_handler_disconnect (model, deleted_id);
|
|
g_signal_handler_disconnect (model, reordered_id);
|
|
g_signal_handler_disconnect (selection->tree_view, changed_id);
|
|
g_object_unref (model);
|
|
|
|
/* check if we have to spew a scary message */
|
|
if (stop)
|
|
g_warning ("The model has been modified from within gtk_tree_selection_selected_foreach.\n"
|
|
"This function is for observing the selections of the tree only. If\n"
|
|
"you are trying to get all selected items from the tree, try using\n"
|
|
"gtk_tree_selection_get_selected_rows instead.\n");
|
|
}
|
|
|
|
/**
|
|
* gtk_tree_selection_select_path:
|
|
* @selection: A #GtkTreeSelection.
|
|
* @path: The #GtkTreePath to be selected.
|
|
*
|
|
* Select the row at @path.
|
|
**/
|
|
void
|
|
gtk_tree_selection_select_path (GtkTreeSelection *selection,
|
|
GtkTreePath *path)
|
|
{
|
|
GtkRBNode *node;
|
|
GtkRBTree *tree;
|
|
gboolean ret;
|
|
GtkTreeSelectMode mode = 0;
|
|
|
|
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
|
|
g_return_if_fail (selection->tree_view != NULL);
|
|
g_return_if_fail (path != NULL);
|
|
|
|
ret = _gtk_tree_view_find_node (selection->tree_view,
|
|
path,
|
|
&tree,
|
|
&node);
|
|
|
|
if (node == NULL || GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED) ||
|
|
ret == TRUE)
|
|
return;
|
|
|
|
if (selection->type == GTK_SELECTION_MULTIPLE)
|
|
mode = GTK_TREE_SELECT_MODE_TOGGLE;
|
|
|
|
_gtk_tree_selection_internal_select_node (selection,
|
|
node,
|
|
tree,
|
|
path,
|
|
mode,
|
|
FALSE);
|
|
}
|
|
|
|
/**
|
|
* gtk_tree_selection_unselect_path:
|
|
* @selection: A #GtkTreeSelection.
|
|
* @path: The #GtkTreePath to be unselected.
|
|
*
|
|
* Unselects the row at @path.
|
|
**/
|
|
void
|
|
gtk_tree_selection_unselect_path (GtkTreeSelection *selection,
|
|
GtkTreePath *path)
|
|
{
|
|
GtkRBNode *node;
|
|
GtkRBTree *tree;
|
|
gboolean ret;
|
|
|
|
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
|
|
g_return_if_fail (selection->tree_view != NULL);
|
|
g_return_if_fail (path != NULL);
|
|
|
|
ret = _gtk_tree_view_find_node (selection->tree_view,
|
|
path,
|
|
&tree,
|
|
&node);
|
|
|
|
if (node == NULL || !GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED) ||
|
|
ret == TRUE)
|
|
return;
|
|
|
|
_gtk_tree_selection_internal_select_node (selection,
|
|
node,
|
|
tree,
|
|
path,
|
|
GTK_TREE_SELECT_MODE_TOGGLE,
|
|
TRUE);
|
|
}
|
|
|
|
/**
|
|
* gtk_tree_selection_select_iter:
|
|
* @selection: A #GtkTreeSelection.
|
|
* @iter: The #GtkTreeIter to be selected.
|
|
*
|
|
* Selects the specified iterator.
|
|
**/
|
|
void
|
|
gtk_tree_selection_select_iter (GtkTreeSelection *selection,
|
|
GtkTreeIter *iter)
|
|
{
|
|
GtkTreePath *path;
|
|
GtkTreeModel *model;
|
|
|
|
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
|
|
g_return_if_fail (selection->tree_view != NULL);
|
|
|
|
model = gtk_tree_view_get_model (selection->tree_view);
|
|
g_return_if_fail (model != NULL);
|
|
g_return_if_fail (iter != NULL);
|
|
|
|
path = gtk_tree_model_get_path (model, iter);
|
|
|
|
if (path == NULL)
|
|
return;
|
|
|
|
gtk_tree_selection_select_path (selection, path);
|
|
gtk_tree_path_free (path);
|
|
}
|
|
|
|
|
|
/**
|
|
* gtk_tree_selection_unselect_iter:
|
|
* @selection: A #GtkTreeSelection.
|
|
* @iter: The #GtkTreeIter to be unselected.
|
|
*
|
|
* Unselects the specified iterator.
|
|
**/
|
|
void
|
|
gtk_tree_selection_unselect_iter (GtkTreeSelection *selection,
|
|
GtkTreeIter *iter)
|
|
{
|
|
GtkTreePath *path;
|
|
GtkTreeModel *model;
|
|
|
|
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
|
|
g_return_if_fail (selection->tree_view != NULL);
|
|
|
|
model = gtk_tree_view_get_model (selection->tree_view);
|
|
g_return_if_fail (model != NULL);
|
|
g_return_if_fail (iter != NULL);
|
|
|
|
path = gtk_tree_model_get_path (model, iter);
|
|
|
|
if (path == NULL)
|
|
return;
|
|
|
|
gtk_tree_selection_unselect_path (selection, path);
|
|
gtk_tree_path_free (path);
|
|
}
|
|
|
|
/**
|
|
* gtk_tree_selection_path_is_selected:
|
|
* @selection: A #GtkTreeSelection.
|
|
* @path: A #GtkTreePath to check selection on.
|
|
*
|
|
* Returns %TRUE if the row pointed to by @path is currently selected. If @path
|
|
* does not point to a valid location, %FALSE is returned
|
|
*
|
|
* Return value: %TRUE if @path is selected.
|
|
**/
|
|
gboolean
|
|
gtk_tree_selection_path_is_selected (GtkTreeSelection *selection,
|
|
GtkTreePath *path)
|
|
{
|
|
GtkRBNode *node;
|
|
GtkRBTree *tree;
|
|
gboolean ret;
|
|
|
|
g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), FALSE);
|
|
g_return_val_if_fail (path != NULL, FALSE);
|
|
g_return_val_if_fail (selection->tree_view != NULL, FALSE);
|
|
|
|
if (gtk_tree_view_get_model (selection->tree_view) == NULL)
|
|
return FALSE;
|
|
|
|
ret = _gtk_tree_view_find_node (selection->tree_view,
|
|
path,
|
|
&tree,
|
|
&node);
|
|
|
|
if ((node == NULL) || !GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED) ||
|
|
ret == TRUE)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gtk_tree_selection_iter_is_selected:
|
|
* @selection: A #GtkTreeSelection
|
|
* @iter: A valid #GtkTreeIter
|
|
*
|
|
* Returns %TRUE if the row at @iter is currently selected.
|
|
*
|
|
* Return value: %TRUE, if @iter is selected
|
|
**/
|
|
gboolean
|
|
gtk_tree_selection_iter_is_selected (GtkTreeSelection *selection,
|
|
GtkTreeIter *iter)
|
|
{
|
|
GtkTreePath *path;
|
|
GtkTreeModel *model;
|
|
gboolean retval;
|
|
|
|
g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), FALSE);
|
|
g_return_val_if_fail (iter != NULL, FALSE);
|
|
g_return_val_if_fail (selection->tree_view != NULL, FALSE);
|
|
|
|
model = gtk_tree_view_get_model (selection->tree_view);
|
|
g_return_val_if_fail (model != NULL, FALSE);
|
|
|
|
path = gtk_tree_model_get_path (model, iter);
|
|
if (path == NULL)
|
|
return FALSE;
|
|
|
|
retval = gtk_tree_selection_path_is_selected (selection, path);
|
|
gtk_tree_path_free (path);
|
|
|
|
return retval;
|
|
}
|
|
|
|
|
|
/* Wish I was in python, right now... */
|
|
struct _TempTuple {
|
|
GtkTreeSelection *selection;
|
|
gint dirty;
|
|
};
|
|
|
|
static void
|
|
select_all_helper (GtkRBTree *tree,
|
|
GtkRBNode *node,
|
|
gpointer data)
|
|
{
|
|
struct _TempTuple *tuple = data;
|
|
|
|
if (node->children)
|
|
_gtk_rbtree_traverse (node->children,
|
|
node->children->root,
|
|
G_PRE_ORDER,
|
|
select_all_helper,
|
|
data);
|
|
if (!GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
|
|
{
|
|
tuple->dirty = gtk_tree_selection_real_select_node (tuple->selection, tree, node, TRUE) || tuple->dirty;
|
|
}
|
|
}
|
|
|
|
|
|
/* We have a real_{un,}select_all function that doesn't emit the signal, so we
|
|
* can use it in other places without fear of the signal being emitted.
|
|
*/
|
|
static gint
|
|
gtk_tree_selection_real_select_all (GtkTreeSelection *selection)
|
|
{
|
|
struct _TempTuple *tuple;
|
|
GtkRBTree *tree;
|
|
|
|
tree = _gtk_tree_view_get_rbtree (selection->tree_view);
|
|
|
|
if (tree == NULL)
|
|
return FALSE;
|
|
|
|
/* Mark all nodes selected */
|
|
tuple = g_new (struct _TempTuple, 1);
|
|
tuple->selection = selection;
|
|
tuple->dirty = FALSE;
|
|
|
|
_gtk_rbtree_traverse (tree, tree->root,
|
|
G_PRE_ORDER,
|
|
select_all_helper,
|
|
tuple);
|
|
if (tuple->dirty)
|
|
{
|
|
g_free (tuple);
|
|
return TRUE;
|
|
}
|
|
g_free (tuple);
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* gtk_tree_selection_select_all:
|
|
* @selection: A #GtkTreeSelection.
|
|
*
|
|
* Selects all the nodes. @selection must be set to #GTK_SELECTION_MULTIPLE
|
|
* mode.
|
|
**/
|
|
void
|
|
gtk_tree_selection_select_all (GtkTreeSelection *selection)
|
|
{
|
|
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
|
|
g_return_if_fail (selection->tree_view != NULL);
|
|
|
|
if (_gtk_tree_view_get_rbtree (selection->tree_view) == NULL ||
|
|
gtk_tree_view_get_model (selection->tree_view) == NULL)
|
|
return;
|
|
|
|
g_return_if_fail (selection->type == GTK_SELECTION_MULTIPLE);
|
|
|
|
if (gtk_tree_selection_real_select_all (selection))
|
|
g_signal_emit (selection, tree_selection_signals[CHANGED], 0);
|
|
}
|
|
|
|
static void
|
|
unselect_all_helper (GtkRBTree *tree,
|
|
GtkRBNode *node,
|
|
gpointer data)
|
|
{
|
|
struct _TempTuple *tuple = data;
|
|
|
|
if (node->children)
|
|
_gtk_rbtree_traverse (node->children,
|
|
node->children->root,
|
|
G_PRE_ORDER,
|
|
unselect_all_helper,
|
|
data);
|
|
if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
|
|
{
|
|
tuple->dirty = gtk_tree_selection_real_select_node (tuple->selection, tree, node, FALSE) || tuple->dirty;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gtk_tree_selection_real_unselect_all (GtkTreeSelection *selection)
|
|
{
|
|
struct _TempTuple *tuple;
|
|
|
|
if (selection->type == GTK_SELECTION_SINGLE ||
|
|
selection->type == GTK_SELECTION_BROWSE)
|
|
{
|
|
GtkRBTree *tree = NULL;
|
|
GtkRBNode *node = NULL;
|
|
GtkTreePath *anchor_path;
|
|
|
|
anchor_path = _gtk_tree_view_get_anchor_path (selection->tree_view);
|
|
|
|
if (anchor_path == NULL)
|
|
return FALSE;
|
|
|
|
_gtk_tree_view_find_node (selection->tree_view,
|
|
anchor_path,
|
|
&tree,
|
|
&node);
|
|
|
|
gtk_tree_path_free (anchor_path);
|
|
|
|
if (tree == NULL)
|
|
return FALSE;
|
|
|
|
if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
|
|
{
|
|
if (gtk_tree_selection_real_select_node (selection, tree, node, FALSE))
|
|
{
|
|
_gtk_tree_view_set_anchor_path (selection->tree_view, NULL);
|
|
return TRUE;
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
else
|
|
{
|
|
GtkRBTree *tree;
|
|
|
|
tuple = g_new (struct _TempTuple, 1);
|
|
tuple->selection = selection;
|
|
tuple->dirty = FALSE;
|
|
|
|
tree = _gtk_tree_view_get_rbtree (selection->tree_view);
|
|
_gtk_rbtree_traverse (tree, tree->root,
|
|
G_PRE_ORDER,
|
|
unselect_all_helper,
|
|
tuple);
|
|
|
|
if (tuple->dirty)
|
|
{
|
|
g_free (tuple);
|
|
return TRUE;
|
|
}
|
|
g_free (tuple);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_tree_selection_unselect_all:
|
|
* @selection: A #GtkTreeSelection.
|
|
*
|
|
* Unselects all the nodes.
|
|
**/
|
|
void
|
|
gtk_tree_selection_unselect_all (GtkTreeSelection *selection)
|
|
{
|
|
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
|
|
g_return_if_fail (selection->tree_view != NULL);
|
|
|
|
if (_gtk_tree_view_get_rbtree (selection->tree_view) == NULL ||
|
|
gtk_tree_view_get_model (selection->tree_view) == NULL)
|
|
return;
|
|
|
|
if (gtk_tree_selection_real_unselect_all (selection))
|
|
g_signal_emit (selection, tree_selection_signals[CHANGED], 0);
|
|
}
|
|
|
|
enum
|
|
{
|
|
RANGE_SELECT,
|
|
RANGE_UNSELECT
|
|
};
|
|
|
|
static gint
|
|
gtk_tree_selection_real_modify_range (GtkTreeSelection *selection,
|
|
gint mode,
|
|
GtkTreePath *start_path,
|
|
GtkTreePath *end_path)
|
|
{
|
|
GtkRBNode *start_node, *end_node;
|
|
GtkRBTree *start_tree, *end_tree;
|
|
GtkTreePath *anchor_path = NULL;
|
|
gboolean dirty = FALSE;
|
|
|
|
switch (gtk_tree_path_compare (start_path, end_path))
|
|
{
|
|
case 1:
|
|
_gtk_tree_view_find_node (selection->tree_view,
|
|
end_path,
|
|
&start_tree,
|
|
&start_node);
|
|
_gtk_tree_view_find_node (selection->tree_view,
|
|
start_path,
|
|
&end_tree,
|
|
&end_node);
|
|
anchor_path = start_path;
|
|
break;
|
|
case 0:
|
|
_gtk_tree_view_find_node (selection->tree_view,
|
|
start_path,
|
|
&start_tree,
|
|
&start_node);
|
|
end_tree = start_tree;
|
|
end_node = start_node;
|
|
anchor_path = start_path;
|
|
break;
|
|
case -1:
|
|
_gtk_tree_view_find_node (selection->tree_view,
|
|
start_path,
|
|
&start_tree,
|
|
&start_node);
|
|
_gtk_tree_view_find_node (selection->tree_view,
|
|
end_path,
|
|
&end_tree,
|
|
&end_node);
|
|
anchor_path = start_path;
|
|
break;
|
|
}
|
|
|
|
g_return_val_if_fail (start_node != NULL, FALSE);
|
|
g_return_val_if_fail (end_node != NULL, FALSE);
|
|
|
|
if (anchor_path)
|
|
_gtk_tree_view_set_anchor_path (selection->tree_view, anchor_path);
|
|
|
|
do
|
|
{
|
|
dirty |= gtk_tree_selection_real_select_node (selection, start_tree, start_node, (mode == RANGE_SELECT)?TRUE:FALSE);
|
|
|
|
if (start_node == end_node)
|
|
break;
|
|
|
|
if (start_node->children)
|
|
{
|
|
start_tree = start_node->children;
|
|
start_node = start_tree->root;
|
|
while (start_node->left != start_tree->nil)
|
|
start_node = start_node->left;
|
|
}
|
|
else
|
|
{
|
|
_gtk_rbtree_next_full (start_tree, start_node, &start_tree, &start_node);
|
|
if (start_tree == NULL)
|
|
{
|
|
/* we just ran out of tree. That means someone passed in bogus values.
|
|
*/
|
|
return dirty;
|
|
}
|
|
}
|
|
}
|
|
while (TRUE);
|
|
|
|
return dirty;
|
|
}
|
|
|
|
/**
|
|
* gtk_tree_selection_select_range:
|
|
* @selection: A #GtkTreeSelection.
|
|
* @start_path: The initial node of the range.
|
|
* @end_path: The final node of the range.
|
|
*
|
|
* Selects a range of nodes, determined by @start_path and @end_path inclusive.
|
|
* @selection must be set to #GTK_SELECTION_MULTIPLE mode.
|
|
**/
|
|
void
|
|
gtk_tree_selection_select_range (GtkTreeSelection *selection,
|
|
GtkTreePath *start_path,
|
|
GtkTreePath *end_path)
|
|
{
|
|
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
|
|
g_return_if_fail (selection->tree_view != NULL);
|
|
g_return_if_fail (selection->type == GTK_SELECTION_MULTIPLE);
|
|
g_return_if_fail (gtk_tree_view_get_model (selection->tree_view) != NULL);
|
|
|
|
if (gtk_tree_selection_real_modify_range (selection, RANGE_SELECT, start_path, end_path))
|
|
g_signal_emit (selection, tree_selection_signals[CHANGED], 0);
|
|
}
|
|
|
|
/**
|
|
* gtk_tree_selection_unselect_range:
|
|
* @selection: A #GtkTreeSelection.
|
|
* @start_path: The initial node of the range.
|
|
* @end_path: The initial node of the range.
|
|
*
|
|
* Unselects a range of nodes, determined by @start_path and @end_path
|
|
* inclusive.
|
|
*
|
|
* Since: 2.2
|
|
**/
|
|
void
|
|
gtk_tree_selection_unselect_range (GtkTreeSelection *selection,
|
|
GtkTreePath *start_path,
|
|
GtkTreePath *end_path)
|
|
{
|
|
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
|
|
g_return_if_fail (selection->tree_view != NULL);
|
|
g_return_if_fail (gtk_tree_view_get_model (selection->tree_view) != NULL);
|
|
|
|
if (gtk_tree_selection_real_modify_range (selection, RANGE_UNSELECT, start_path, end_path))
|
|
g_signal_emit (selection, tree_selection_signals[CHANGED], 0);
|
|
}
|
|
|
|
gboolean
|
|
_gtk_tree_selection_row_is_selectable (GtkTreeSelection *selection,
|
|
GtkRBNode *node,
|
|
GtkTreePath *path)
|
|
{
|
|
GtkTreeIter iter;
|
|
GtkTreeModel *model;
|
|
GtkTreeViewRowSeparatorFunc separator_func;
|
|
gpointer separator_data;
|
|
gboolean sensitive = FALSE;
|
|
|
|
model = gtk_tree_view_get_model (selection->tree_view);
|
|
|
|
_gtk_tree_view_get_row_separator_func (selection->tree_view,
|
|
&separator_func, &separator_data);
|
|
|
|
if (!gtk_tree_model_get_iter (model, &iter, path))
|
|
sensitive = TRUE;
|
|
|
|
if (!sensitive && separator_func)
|
|
{
|
|
/* never allow separators to be selected */
|
|
if ((* separator_func) (model, &iter, separator_data))
|
|
return FALSE;
|
|
}
|
|
|
|
if (selection->user_func)
|
|
return (*selection->user_func) (selection, model, path,
|
|
GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED),
|
|
selection->user_data);
|
|
else
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/* Called internally by gtktreeview.c It handles actually selecting the tree.
|
|
*/
|
|
|
|
/*
|
|
* docs about the 'override_browse_mode', we set this flag when we want to
|
|
* unset select the node and override the select browse mode behaviour (that is
|
|
* 'one node should *always* be selected').
|
|
*/
|
|
void
|
|
_gtk_tree_selection_internal_select_node (GtkTreeSelection *selection,
|
|
GtkRBNode *node,
|
|
GtkRBTree *tree,
|
|
GtkTreePath *path,
|
|
GtkTreeSelectMode mode,
|
|
gboolean override_browse_mode)
|
|
{
|
|
gint flags;
|
|
gint dirty = FALSE;
|
|
GtkTreePath *anchor_path = NULL;
|
|
|
|
if (selection->type == GTK_SELECTION_NONE)
|
|
return;
|
|
|
|
anchor_path = _gtk_tree_view_get_anchor_path (selection->tree_view);
|
|
|
|
if (selection->type == GTK_SELECTION_SINGLE ||
|
|
selection->type == GTK_SELECTION_BROWSE)
|
|
{
|
|
/* just unselect */
|
|
if (selection->type == GTK_SELECTION_BROWSE && override_browse_mode)
|
|
{
|
|
dirty = gtk_tree_selection_real_unselect_all (selection);
|
|
}
|
|
/* Did we try to select the same node again? */
|
|
else if (selection->type == GTK_SELECTION_SINGLE &&
|
|
anchor_path && gtk_tree_path_compare (path, anchor_path) == 0)
|
|
{
|
|
if ((mode & GTK_TREE_SELECT_MODE_TOGGLE) == GTK_TREE_SELECT_MODE_TOGGLE)
|
|
{
|
|
dirty = gtk_tree_selection_real_unselect_all (selection);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (anchor_path)
|
|
{
|
|
/* We only want to select the new node if we can unselect the old one,
|
|
* and we can select the new one. */
|
|
dirty = _gtk_tree_selection_row_is_selectable (selection, node, path);
|
|
|
|
/* if dirty is FALSE, we weren't able to select the new one, otherwise, we try to
|
|
* unselect the new one
|
|
*/
|
|
if (dirty)
|
|
dirty = gtk_tree_selection_real_unselect_all (selection);
|
|
|
|
/* if dirty is TRUE at this point, we successfully unselected the
|
|
* old one, and can then select the new one */
|
|
if (dirty)
|
|
{
|
|
|
|
_gtk_tree_view_set_anchor_path (selection->tree_view, NULL);
|
|
|
|
if (gtk_tree_selection_real_select_node (selection, tree, node, TRUE))
|
|
_gtk_tree_view_set_anchor_path (selection->tree_view, path);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (gtk_tree_selection_real_select_node (selection, tree, node, TRUE))
|
|
{
|
|
dirty = TRUE;
|
|
|
|
_gtk_tree_view_set_anchor_path (selection->tree_view, path);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (selection->type == GTK_SELECTION_MULTIPLE)
|
|
{
|
|
if ((mode & GTK_TREE_SELECT_MODE_EXTEND) == GTK_TREE_SELECT_MODE_EXTEND
|
|
&& (anchor_path == NULL))
|
|
{
|
|
_gtk_tree_view_set_anchor_path (selection->tree_view, path);
|
|
|
|
dirty = gtk_tree_selection_real_select_node (selection, tree, node, TRUE);
|
|
}
|
|
else if ((mode & (GTK_TREE_SELECT_MODE_EXTEND | GTK_TREE_SELECT_MODE_TOGGLE)) == (GTK_TREE_SELECT_MODE_EXTEND | GTK_TREE_SELECT_MODE_TOGGLE))
|
|
{
|
|
gtk_tree_selection_select_range (selection,
|
|
anchor_path,
|
|
path);
|
|
}
|
|
else if ((mode & GTK_TREE_SELECT_MODE_TOGGLE) == GTK_TREE_SELECT_MODE_TOGGLE)
|
|
{
|
|
flags = node->flags;
|
|
|
|
_gtk_tree_view_set_anchor_path (selection->tree_view, path);
|
|
|
|
if ((flags & GTK_RBNODE_IS_SELECTED) == GTK_RBNODE_IS_SELECTED)
|
|
dirty |= gtk_tree_selection_real_select_node (selection, tree, node, FALSE);
|
|
else
|
|
dirty |= gtk_tree_selection_real_select_node (selection, tree, node, TRUE);
|
|
}
|
|
else if ((mode & GTK_TREE_SELECT_MODE_EXTEND) == GTK_TREE_SELECT_MODE_EXTEND)
|
|
{
|
|
dirty = gtk_tree_selection_real_unselect_all (selection);
|
|
dirty |= gtk_tree_selection_real_modify_range (selection,
|
|
RANGE_SELECT,
|
|
anchor_path,
|
|
path);
|
|
}
|
|
else
|
|
{
|
|
dirty = gtk_tree_selection_real_unselect_all (selection);
|
|
|
|
_gtk_tree_view_set_anchor_path (selection->tree_view, path);
|
|
|
|
dirty |= gtk_tree_selection_real_select_node (selection, tree, node, TRUE);
|
|
}
|
|
}
|
|
|
|
if (anchor_path)
|
|
gtk_tree_path_free (anchor_path);
|
|
|
|
if (dirty)
|
|
g_signal_emit (selection, tree_selection_signals[CHANGED], 0);
|
|
}
|
|
|
|
|
|
void
|
|
_gtk_tree_selection_emit_changed (GtkTreeSelection *selection)
|
|
{
|
|
g_signal_emit (selection, tree_selection_signals[CHANGED], 0);
|
|
}
|
|
|
|
/* NOTE: Any {un,}selection ever done _MUST_ be done through this function!
|
|
*/
|
|
|
|
static gint
|
|
gtk_tree_selection_real_select_node (GtkTreeSelection *selection,
|
|
GtkRBTree *tree,
|
|
GtkRBNode *node,
|
|
gboolean select)
|
|
{
|
|
gboolean toggle = FALSE;
|
|
GtkTreePath *path = NULL;
|
|
|
|
select = !! select;
|
|
|
|
if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED) != select)
|
|
{
|
|
path = _gtk_tree_view_find_path (selection->tree_view, tree, node);
|
|
toggle = _gtk_tree_selection_row_is_selectable (selection, node, path);
|
|
gtk_tree_path_free (path);
|
|
}
|
|
|
|
if (toggle)
|
|
{
|
|
node->flags ^= GTK_RBNODE_IS_SELECTED;
|
|
|
|
_gtk_tree_view_queue_draw_node (selection->tree_view, tree, node, NULL);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|