#include "gtktreeselection.h"
#include "gtktreeprivate.h"
#include "gtkrbtree.h"
+#include "gtkmarshalers.h"
#include "gtksignal.h"
-static void gtk_tree_selection_init (GtkTreeSelection *selection);
-static void gtk_tree_selection_class_init (GtkTreeSelectionClass *class);
+static void gtk_tree_selection_init (GtkTreeSelection *selection);
+static void gtk_tree_selection_class_init (GtkTreeSelectionClass *class);
-enum {
- ROW_SELECTED,
- ROW_UNSELECTED,
- LAST_SIGNAL
-};
-
-static GtkObjectClass *parent_class = NULL;
-static guint tree_selection_signals[LAST_SIGNAL] = { 0 };
+static void gtk_tree_selection_finalize (GObject *object);
+static gint gtk_tree_selection_real_select_all (GtkTreeSelection *selection);
+static gint gtk_tree_selection_real_unselect_all (GtkTreeSelection *selection);
+static gint gtk_tree_selection_real_select_node (GtkTreeSelection *selection,
+ GtkRBTree *tree,
+ GtkRBNode *node,
+ gboolean select);
-static void
-gtk_tree_selection_real_select_node (GtkTreeSelection *selection, GtkRBTree *tree, GtkRBNode *node, gboolean select)
+enum
{
- gboolean selected = FALSE;
- GtkTreePath *path = NULL;
-
- if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED) != select)
- {
- path = _gtk_tree_view_find_path (selection->tree_view, tree, node);
- if (selection->user_func)
- {
- if ((*selection->user_func) (selection, selection->tree_view->priv->model, path, selection->user_data))
- selected = TRUE;
- }
- else
- selected = TRUE;
- }
- if (selected == TRUE)
- {
- GtkTreeNode tree_node;
- tree_node = gtk_tree_model_get_node (selection->tree_view->priv->model, path);
+ CHANGED,
+ LAST_SIGNAL
+};
- node->flags ^= GTK_RBNODE_IS_SELECTED;
- if (select)
- gtk_signal_emit (GTK_OBJECT (selection), tree_selection_signals[ROW_SELECTED], selection->tree_view->priv->model, tree_node);
- else
- gtk_signal_emit (GTK_OBJECT (selection), tree_selection_signals[ROW_UNSELECTED], selection->tree_view->priv->model, tree_node);
- gtk_widget_queue_draw (GTK_WIDGET (selection->tree_view));
- }
-}
+static GObjectClass *parent_class = NULL;
+static guint tree_selection_signals [LAST_SIGNAL] = { 0 };
GtkType
gtk_tree_selection_get_type (void)
(GInstanceInitFunc) gtk_tree_selection_init
};
- selection_type = g_type_register_static (GTK_TYPE_OBJECT, "GtkTreeSelection", &selection_info);
+ selection_type = g_type_register_static (G_TYPE_OBJECT, "GtkTreeSelection", &selection_info, 0);
}
return selection_type;
static void
gtk_tree_selection_class_init (GtkTreeSelectionClass *class)
{
- GtkObjectClass *object_class;
+ GObjectClass *object_class;
- object_class = (GtkObjectClass*) class;
+ object_class = (GObjectClass*) class;
parent_class = g_type_class_peek_parent (class);
- tree_selection_signals[ROW_SELECTED] =
- gtk_signal_new ("row_selected",
- GTK_RUN_FIRST,
- GTK_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (GtkTreeSelectionClass, row_selected),
- gtk_marshal_NONE__POINTER_POINTER,
- GTK_TYPE_NONE, 2,
- GTK_TYPE_POINTER,
- GTK_TYPE_POINTER);
-
- tree_selection_signals[ROW_UNSELECTED] =
- gtk_signal_new ("row_unselected",
+ object_class->finalize = gtk_tree_selection_finalize;
+ class->changed = NULL;
+
+ tree_selection_signals[CHANGED] =
+ gtk_signal_new ("changed",
GTK_RUN_FIRST,
GTK_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (GtkTreeSelectionClass, row_unselected),
- gtk_marshal_NONE__POINTER_POINTER,
- GTK_TYPE_NONE, 2,
- GTK_TYPE_POINTER,
- GTK_TYPE_POINTER);
-
- gtk_object_class_add_signals (object_class, tree_selection_signals, LAST_SIGNAL);
-
- class->row_selected = NULL;
- class->row_unselected = NULL;
+ GTK_SIGNAL_OFFSET (GtkTreeSelectionClass, changed),
+ _gtk_marshal_VOID__VOID,
+ GTK_TYPE_NONE, 0);
}
static void
gtk_tree_selection_init (GtkTreeSelection *selection)
{
- selection->type = GTK_TREE_SELECTION_MULTI;
- selection->user_func = NULL;
- selection->user_data = NULL;
- selection->user_func = NULL;
- selection->tree_view = NULL;
+ selection->type = GTK_SELECTION_SINGLE;
+}
+
+static void
+gtk_tree_selection_finalize (GObject *object)
+{
+ if (GTK_TREE_SELECTION (object)->destroy)
+ (* GTK_TREE_SELECTION (object)->destroy) (GTK_TREE_SELECTION (object)->user_data);
+
+ /* chain parent_class' handler */
+ G_OBJECT_CLASS (parent_class)->finalize (object);
}
-GtkObject *
-gtk_tree_selection_new (void)
+/**
+ * _gtk_tree_selection_new:
+ *
+ * Creates a new #GtkTreeSelection object. This function should not be invoked,
+ * as each #GtkTreeView will create it's own #GtkTreeSelection.
+ *
+ * Return value: A newly created #GtkTreeSelection object.
+ **/
+GtkTreeSelection*
+_gtk_tree_selection_new (void)
{
- GtkObject *selection;
+ GtkTreeSelection *selection;
- selection = GTK_OBJECT (gtk_type_new (GTK_TYPE_TREE_SELECTION));
+ selection = GTK_TREE_SELECTION (g_object_new (GTK_TYPE_TREE_SELECTION, NULL));
return selection;
}
-GtkObject *
-gtk_tree_selection_new_with_tree_view (GtkTreeView *tree_view)
+/**
+ * _gtk_tree_selection_new_with_tree_view:
+ * @tree_view: The #GtkTreeView.
+ *
+ * Creates a new #GtkTreeSelection object. This function should not be invoked,
+ * as each #GtkTreeView will create it's own #GtkTreeSelection.
+ *
+ * Return value: A newly created #GtkTreeSelection object.
+ **/
+GtkTreeSelection*
+_gtk_tree_selection_new_with_tree_view (GtkTreeView *tree_view)
{
- GtkObject *selection;
+ GtkTreeSelection *selection;
- g_return_val_if_fail (tree_view != NULL, NULL);
g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), NULL);
- selection = gtk_tree_selection_new ();
- gtk_tree_selection_set_tree_view (GTK_TREE_SELECTION (selection), tree_view);
+ selection = _gtk_tree_selection_new ();
+ _gtk_tree_selection_set_tree_view (selection, tree_view);
return selection;
}
+/**
+ * _gtk_tree_selection_set_tree_view:
+ * @selection: A #GtkTreeSelection.
+ * @tree_view: The #GtkTreeView.
+ *
+ * Sets the #GtkTreeView of @selection. This function should not be invoked, as
+ * it is used internally by #GtkTreeView.
+ **/
void
-gtk_tree_selection_set_tree_view (GtkTreeSelection *selection,
- GtkTreeView *tree_view)
+_gtk_tree_selection_set_tree_view (GtkTreeSelection *selection,
+ GtkTreeView *tree_view)
{
- g_return_if_fail (selection != NULL);
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
if (tree_view != NULL)
g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
selection->tree_view = tree_view;
- tree_view->priv->selection = selection;
}
+/**
+ * gtk_tree_selection_set_mode:
+ * @selection: A #GtkTreeSelection.
+ * @type: The selection mode
+ *
+ * Sets the selection mode of the @selection. If the previous type was
+ * #GTK_SELECTION_MULTIPLE, then the anchor is kept selected, if it was
+ * previously selected.
+ **/
void
-gtk_tree_selection_set_type (GtkTreeSelection *selection,
- GtkTreeSelectionType type)
+gtk_tree_selection_set_mode (GtkTreeSelection *selection,
+ GtkSelectionMode type)
{
- g_return_if_fail (selection != NULL);
+ GtkTreeSelectionFunc tmp_func;
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
if (selection->type == type)
return;
- if (type == GTK_TREE_SELECTION_SINGLE)
+
+ if (type == GTK_SELECTION_NONE)
+ {
+ gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
+ /* We do this so that we unconditionally unset all rows
+ */
+ tmp_func = selection->user_func;
+ selection->user_func = NULL;
+ gtk_tree_selection_unselect_all (selection);
+ selection->user_func = tmp_func;
+ }
+ else if (type == GTK_SELECTION_SINGLE ||
+ type == GTK_SELECTION_BROWSE)
{
GtkRBTree *tree = NULL;
GtkRBNode *node = NULL;
gint selected = FALSE;
+ GtkTreePath *anchor_path = NULL;
if (selection->tree_view->priv->anchor)
{
- _gtk_tree_view_find_node (selection->tree_view,
- selection->tree_view->priv->anchor,
- &tree,
- &node);
-
- if (node && GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
- selected = TRUE;
+ anchor_path = gtk_tree_row_reference_get_path (selection->tree_view->priv->anchor);
+
+ if (anchor_path)
+ {
+ _gtk_tree_view_find_node (selection->tree_view,
+ anchor_path,
+ &tree,
+ &node);
+
+ if (node && GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
+ selected = TRUE;
+ }
}
+
+ /* We do this so that we unconditionally unset all rows
+ */
+ tmp_func = selection->user_func;
+ selection->user_func = NULL;
gtk_tree_selection_unselect_all (selection);
+ selection->user_func = tmp_func;
+
if (node && selected)
- GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_SELECTED);
+ _gtk_tree_selection_internal_select_node (selection,
+ node,
+ tree,
+ anchor_path,
+ 0);
+ if (anchor_path)
+ gtk_tree_path_free (anchor_path);
}
+
selection->type = type;
}
+/**
+ * gtk_tree_selection_get_mode:
+ * @selection: a #GtkTreeSelection
+ *
+ * Gets the selection mode for @selection. See
+ * gtk_tree_selection_set_mode().
+ *
+ * Return value: the current selection mode
+ **/
+GtkSelectionMode
+gtk_tree_selection_get_mode (GtkTreeSelection *selection)
+{
+ g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), GTK_SELECTION_SINGLE);
+
+ return selection->type;
+}
+
+/**
+ * gtk_tree_selection_set_select_function:
+ * @selection: A #GtkTreeSelection.
+ * @func: The selection function.
+ * @data: The selection function's data.
+ * @destroy: The destroy function for user data. May be NULL.
+ *
+ * Sets the selection function. If set, this function is called before any node
+ * is selected or unselected, giving some control over which nodes are selected.
+ * The select function should return %TRUE if the state of the node may be toggled,
+ * and %FALSE if the state of the node should be left unchanged.
+ **/
void
gtk_tree_selection_set_select_function (GtkTreeSelection *selection,
GtkTreeSelectionFunc func,
- gpointer data)
+ gpointer data,
+ GtkDestroyNotify destroy)
{
- g_return_if_fail (selection != NULL);
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
g_return_if_fail (func != NULL);
selection->user_func = func;
selection->user_data = data;
+ selection->destroy = destroy;
}
+/**
+ * gtk_tree_selection_get_user_data:
+ * @selection: A #GtkTreeSelection.
+ *
+ * Returns the user data for the selection function.
+ *
+ * Return value: The user data.
+ **/
gpointer
gtk_tree_selection_get_user_data (GtkTreeSelection *selection)
{
- g_return_val_if_fail (selection != NULL, NULL);
g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), NULL);
return selection->user_data;
}
-GtkTreeNode *
-gtk_tree_selection_get_selected (GtkTreeSelection *selection)
+/**
+ * gtk_tree_selection_get_tree_view:
+ * @selection: A #GtkTreeSelection
+ *
+ * Returns the tree view associated with @selection.
+ *
+ * Return value: A #GtkTreeView
+ **/
+GtkTreeView *
+gtk_tree_selection_get_tree_view (GtkTreeSelection *selection)
+{
+ g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), NULL);
+
+ return selection->tree_view;
+}
+
+/**
+ * gtk_tree_selection_get_selected:
+ * @selection: A #GtkTreeSelection.
+ * @model: A pointer set to the #GtkTreeModel, or NULL.
+ * @iter: The #GtkTreeIter, or NULL.
+ *
+ * Sets @iter to the currently selected node if @selection is set to
+ * #GTK_SELECTION_SINGLE or #GTK_SELECTION_BROWSE. @iter may be NULL if you
+ * just want to test if @selection has any selected nodes. @model is filled
+ * with the current model as a convenience. This function will not work if you
+ * use @selection is #GTK_SELECTION_MULTIPLE.
+ *
+ * Return value: TRUE, if there is a selected node.
+ **/
+gboolean
+gtk_tree_selection_get_selected (GtkTreeSelection *selection,
+ GtkTreeModel **model,
+ GtkTreeIter *iter)
{
- GtkTreeNode *retval;
GtkRBTree *tree;
GtkRBNode *node;
+ GtkTreePath *anchor_path;
+ gboolean retval;
- g_return_val_if_fail (selection != NULL, NULL);
- g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), NULL);
+ g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), FALSE);
+ g_return_val_if_fail (selection->type != GTK_SELECTION_MULTIPLE, FALSE);
+ g_return_val_if_fail (selection->tree_view != NULL, FALSE);
+ g_return_val_if_fail (selection->tree_view->priv->model != NULL, FALSE);
+
+ if (model)
+ *model = selection->tree_view->priv->model;
if (selection->tree_view->priv->anchor == NULL)
- return NULL;
+ return FALSE;
+
+ anchor_path = gtk_tree_row_reference_get_path (selection->tree_view->priv->anchor);
+
+ if (anchor_path == NULL)
+ return FALSE;
- g_return_val_if_fail (selection->tree_view != NULL, NULL);
- g_return_val_if_fail (selection->tree_view->priv->model != NULL, NULL);
+ if (iter == NULL)
+ {
+ gtk_tree_path_free (anchor_path);
+ return TRUE;
+ }
+
+ retval = FALSE;
if (!_gtk_tree_view_find_node (selection->tree_view,
- selection->tree_view->priv->anchor,
- &tree,
- &node) &&
+ anchor_path,
+ &tree,
+ &node) &&
! GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
- /* We don't want to return the anchor if it isn't actually selected.
- */
+ {
+ /* We don't want to return the anchor if it isn't actually selected.
+ */
+ retval = FALSE;
+ }
+ else
+ {
+ retval = gtk_tree_model_get_iter (selection->tree_view->priv->model,
+ iter,
+ anchor_path);
+ }
- return NULL;
+ gtk_tree_path_free (anchor_path);
- retval = gtk_tree_model_get_node (selection->tree_view->priv->model,
- selection->tree_view->priv->anchor);
return retval;
}
+/**
+ * gtk_tree_selection_selected_foreach:
+ * @selection: A #GtkTreeSelection.
+ * @func: The function to call for each selected node.
+ * @data: user data to pass to the function.
+ *
+ * Calls a function for each selected node.
+ **/
void
gtk_tree_selection_selected_foreach (GtkTreeSelection *selection,
GtkTreeSelectionForeachFunc func,
GtkTreePath *path;
GtkRBTree *tree;
GtkRBNode *node;
- GtkTreeNode tree_node;
+ GtkTreeIter iter;
- g_return_if_fail (selection != NULL);
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
g_return_if_fail (selection->tree_view != NULL);
g_return_if_fail (selection->tree_view->priv->model != NULL);
selection->tree_view->priv->tree->root == NULL)
return;
+ if (selection->type == GTK_SELECTION_SINGLE ||
+ selection->type == GTK_SELECTION_BROWSE)
+ {
+ if (gtk_tree_row_reference_valid (selection->tree_view->priv->anchor))
+ {
+ path = gtk_tree_row_reference_get_path (selection->tree_view->priv->anchor);
+ gtk_tree_model_get_iter (selection->tree_view->priv->model, &iter, path);
+ (* func) (selection->tree_view->priv->model, path, &iter, data);
+ gtk_tree_path_free (path);
+ }
+ return;
+ }
+
tree = selection->tree_view->priv->tree;
node = selection->tree_view->priv->tree->root;
-
+
while (node->left != tree->nil)
node = node->left;
/* find the node internally */
path = gtk_tree_path_new_root ();
- tree_node = gtk_tree_model_get_node (selection->tree_view->priv->model, path);
- gtk_tree_path_free (path);
+ gtk_tree_model_get_iter (selection->tree_view->priv->model,
+ &iter, path);
do
{
if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
- (* func) (selection->tree_view->priv->model, tree_node, data);
+ (* func) (selection->tree_view->priv->model, path, &iter, data);
if (node->children)
{
+ gboolean has_child;
+ GtkTreeIter tmp;
+
tree = node->children;
node = tree->root;
while (node->left != tree->nil)
node = node->left;
- tree_node = gtk_tree_model_node_children (selection->tree_view->priv->model, tree_node);
-
+ tmp = iter;
+ has_child = gtk_tree_model_iter_children (selection->tree_view->priv->model, &iter, &tmp);
+ gtk_tree_path_append_index (path, 0);
/* Sanity Check! */
- TREE_VIEW_INTERNAL_ASSERT_VOID (tree_node != NULL);
+ TREE_VIEW_INTERNAL_ASSERT_VOID (has_child);
}
else
{
node = _gtk_rbtree_next (tree, node);
if (node != NULL)
{
- gtk_tree_model_node_next (selection->tree_view->priv->model, &tree_node);
+ gboolean has_next;
+
+ has_next = gtk_tree_model_iter_next (selection->tree_view->priv->model, &iter);
done = TRUE;
+ gtk_tree_path_next (path);
/* Sanity Check! */
- TREE_VIEW_INTERNAL_ASSERT_VOID (tree_node != NULL);
+ TREE_VIEW_INTERNAL_ASSERT_VOID (has_next);
}
else
{
+ gboolean has_parent;
+ GtkTreeIter tmp_iter = iter;
+
node = tree->parent_node;
tree = tree->parent_tree;
if (tree == NULL)
- /* we've run out of tree */
- /* We're done with this function */
- return;
- tree_node = gtk_tree_model_node_parent (selection->tree_view->priv->model, tree_node);
-
+ {
+ gtk_tree_path_free (path);
+ /* we've run out of tree */
+ /* We're done with this function */
+ return;
+ }
+ has_parent = gtk_tree_model_iter_parent (selection->tree_view->priv->model, &iter, &tmp_iter);
+ gtk_tree_path_up (path);
/* Sanity check */
- TREE_VIEW_INTERNAL_ASSERT_VOID (tree_node != NULL);
+ TREE_VIEW_INTERNAL_ASSERT_VOID (has_parent);
}
}
while (!done);
while (TRUE);
}
+/**
+ * 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)
GtkRBTree *tree;
GdkModifierType state = 0;
- g_return_if_fail (selection != NULL);
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
g_return_if_fail (selection->tree_view != NULL);
g_return_if_fail (path != NULL);
if (node == NULL || GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
return;
- if (selection->type == GTK_TREE_SELECTION_MULTI)
+ if (selection->type == GTK_SELECTION_MULTIPLE)
state = GDK_CONTROL_MASK;
_gtk_tree_selection_internal_select_node (selection,
state);
}
+/**
+ * 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;
- g_return_if_fail (selection != NULL);
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
g_return_if_fail (selection->tree_view != NULL);
g_return_if_fail (path != NULL);
GDK_CONTROL_MASK);
}
+/**
+ * gtk_tree_selection_select_iter:
+ * @selection: A #GtkTreeSelection.
+ * @iter: The #GtkTreeIter to be selected.
+ *
+ * Selects the specified iterator.
+ **/
void
-gtk_tree_selection_select_node (GtkTreeSelection *selection,
- GtkTreeNode *tree_node)
+gtk_tree_selection_select_iter (GtkTreeSelection *selection,
+ GtkTreeIter *iter)
{
GtkTreePath *path;
- g_return_if_fail (selection != NULL);
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
g_return_if_fail (selection->tree_view != NULL);
g_return_if_fail (selection->tree_view->priv->model != NULL);
+ g_return_if_fail (iter != NULL);
path = gtk_tree_model_get_path (selection->tree_view->priv->model,
- tree_node);
+ iter);
if (path == NULL)
return;
}
+/**
+ * gtk_tree_selection_unselect_iter:
+ * @selection: A #GtkTreeSelection.
+ * @iter: The #GtkTreeIter to be unselected.
+ *
+ * Unselects the specified iterator.
+ **/
void
-gtk_tree_selection_unselect_node (GtkTreeSelection *selection,
- GtkTreeNode *tree_node)
+gtk_tree_selection_unselect_iter (GtkTreeSelection *selection,
+ GtkTreeIter *iter)
{
GtkTreePath *path;
- g_return_if_fail (selection != NULL);
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
g_return_if_fail (selection->tree_view != NULL);
+ g_return_if_fail (selection->tree_view->priv->model != NULL);
+ g_return_if_fail (iter != NULL);
path = gtk_tree_model_get_path (selection->tree_view->priv->model,
- tree_node);
+ iter);
if (path == NULL)
return;
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;
+
+ 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);
+ g_return_val_if_fail (selection->tree_view->priv->model != NULL, FALSE);
+
+ _gtk_tree_view_find_node (selection->tree_view,
+ path,
+ &tree,
+ &node);
+
+ if ((node == NULL) || !GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
+ return FALSE;
+
+ return TRUE;
+}
+
+/**
+ * gtk_tree_selection_iter_is_selected:
+ * @selection: A #GtkTreeSelection
+ * @iter: A valid #GtkTreeIter
+ *
+ * Returns %TRUE if the row pointed to by @path is currently selected.
+ *
+ * Return value: %TRUE, if @iter is selected
+ **/
+gboolean
+gtk_tree_selection_iter_is_selected (GtkTreeSelection *selection,
+ GtkTreeIter *iter)
+{
+ GtkTreePath *path;
+ 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);
+ g_return_val_if_fail (selection->tree_view->priv->model != NULL, FALSE);
+
+ path = gtk_tree_model_get_path (selection->tree_view->priv->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;
static void
select_all_helper (GtkRBTree *tree,
GtkRBNode *node,
- gpointer data)
+ gpointer data)
{
struct _TempTuple *tuple = data;
data);
if (!GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
{
- gtk_tree_selection_real_select_node (tuple->selection, tree, node, TRUE);
- tuple->dirty = TRUE;
+ tuple->dirty = gtk_tree_selection_real_select_node (tuple->selection, tree, node, TRUE) || tuple->dirty;
}
}
-void
-gtk_tree_selection_select_all (GtkTreeSelection *selection)
+
+/* 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;
- g_return_if_fail (selection != NULL);
- g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
- g_return_if_fail (selection->tree_view != NULL);
- g_return_if_fail (selection->tree_view->priv->tree != NULL);
-
- if (selection->type == GTK_TREE_SELECTION_SINGLE)
- {
- GtkRBNode *node;
- node = selection->tree_view->priv->tree->root;
-
- while (node->right != selection->tree_view->priv->tree->nil)
- node = node->right;
- return;
- }
+ if (selection->tree_view->priv->tree == NULL)
+ return FALSE;
+ /* Mark all nodes selected */
tuple = g_new (struct _TempTuple, 1);
tuple->selection = selection;
tuple->dirty = FALSE;
select_all_helper,
tuple);
if (tuple->dirty)
- gtk_widget_queue_draw (GTK_WIDGET (selection->tree_view));
+ {
+ g_free (tuple);
+ return TRUE;
+ }
g_free (tuple);
+ return FALSE;
+}
+
+/**
+ * gtk_tree_selection_select_all:
+ * @selection: A #GtkTreeSelection.
+ *
+ * Selects all the nodes. @selection is 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 (selection->tree_view->priv->tree == NULL)
+ return;
+ g_return_if_fail (selection->type == GTK_SELECTION_MULTIPLE);
+
+ if (gtk_tree_selection_real_select_all (selection))
+ g_signal_emit (G_OBJECT (selection), tree_selection_signals[CHANGED], 0);
}
static void
unselect_all_helper (GtkRBTree *tree,
GtkRBNode *node,
- gpointer data)
+ gpointer data)
{
struct _TempTuple *tuple = data;
data);
if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
{
- gtk_tree_selection_real_select_node (tuple->selection, tree, node, FALSE);
- tuple->dirty = TRUE;
+ tuple->dirty = gtk_tree_selection_real_select_node (tuple->selection, tree, node, FALSE) || tuple->dirty;
}
}
-void
-gtk_tree_selection_unselect_all (GtkTreeSelection *selection)
+static gint
+gtk_tree_selection_real_unselect_all (GtkTreeSelection *selection)
{
struct _TempTuple *tuple;
- g_return_if_fail (selection != NULL);
- g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
- g_return_if_fail (selection->tree_view != NULL);
- if (selection->tree_view->priv->tree == NULL)
- return;
-
- if (selection->type == GTK_TREE_SELECTION_SINGLE)
+ if (selection->type == GTK_SELECTION_SINGLE ||
+ selection->type == GTK_SELECTION_BROWSE)
{
GtkRBTree *tree = NULL;
GtkRBNode *node = NULL;
+ GtkTreePath *anchor_path;
+
if (selection->tree_view->priv->anchor == NULL)
- return;
+ return FALSE;
+
+ anchor_path = gtk_tree_row_reference_get_path (selection->tree_view->priv->anchor);
+
+ if (anchor_path == NULL)
+ return FALSE;
_gtk_tree_view_find_node (selection->tree_view,
- selection->tree_view->priv->anchor,
+ 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))
- gtk_tree_selection_real_select_node (selection, tree, node, FALSE);
- return;
+ {
+ if (gtk_tree_selection_real_select_node (selection, tree, node, FALSE))
+ {
+ gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
+ selection->tree_view->priv->anchor = NULL;
+ return TRUE;
+ }
+ }
+ return FALSE;
+ }
+ else
+ {
+ tuple = g_new (struct _TempTuple, 1);
+ tuple->selection = selection;
+ tuple->dirty = FALSE;
+
+ _gtk_rbtree_traverse (selection->tree_view->priv->tree,
+ selection->tree_view->priv->tree->root,
+ G_PRE_ORDER,
+ unselect_all_helper,
+ tuple);
+
+ if (tuple->dirty)
+ {
+ g_free (tuple);
+ return TRUE;
+ }
+ g_free (tuple);
+ return FALSE;
}
+}
- tuple = g_new (struct _TempTuple, 1);
- tuple->selection = selection;
- tuple->dirty = 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 (selection->tree_view->priv->tree == NULL)
+ return;
+
+ if (selection->tree_view->priv->tree == NULL)
+ return;
- _gtk_rbtree_traverse (selection->tree_view->priv->tree,
- selection->tree_view->priv->tree->root,
- G_PRE_ORDER,
- unselect_all_helper,
- tuple);
- if (tuple->dirty)
- gtk_widget_queue_draw (GTK_WIDGET (selection->tree_view));
- g_free (tuple);
+ if (gtk_tree_selection_real_unselect_all (selection))
+ g_signal_emit (G_OBJECT (selection), tree_selection_signals[CHANGED], 0);
}
-void
-gtk_tree_selection_select_range (GtkTreeSelection *selection,
- GtkTreePath *start_path,
- GtkTreePath *end_path)
+static gint
+gtk_tree_selection_real_select_range (GtkTreeSelection *selection,
+ GtkTreePath *start_path,
+ GtkTreePath *end_path)
{
GtkRBNode *start_node, *end_node;
GtkRBTree *start_tree, *end_tree;
-
- g_return_if_fail (selection != NULL);
- g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
- g_return_if_fail (selection->tree_view != NULL);
+ gboolean dirty = FALSE;
switch (gtk_tree_path_compare (start_path, end_path))
{
- case -1:
+ case 1:
_gtk_tree_view_find_node (selection->tree_view,
end_path,
&start_tree,
end_tree = start_tree;
end_node = start_node;
break;
- case 1:
+ case -1:
_gtk_tree_view_find_node (selection->tree_view,
start_path,
&start_tree,
break;
}
- g_return_if_fail (start_node != NULL);
- g_return_if_fail (end_node != NULL);
+ g_return_val_if_fail (start_node != NULL, FALSE);
+ g_return_val_if_fail (end_node != NULL, FALSE);
do
{
- gtk_tree_selection_real_select_node (selection, start_tree, start_node, TRUE);
+ dirty |= gtk_tree_selection_real_select_node (selection, start_tree, start_node, TRUE);
if (start_node == end_node)
- return;
+ break;
if (start_node->children)
{
}
else
{
- gboolean done = FALSE;
- do
+ _gtk_rbtree_next_full (start_tree, start_node, &start_tree, &start_node);
+ if (start_tree == NULL)
{
- start_node = _gtk_rbtree_next (start_tree, start_node);
- if (start_node != NULL)
- {
- done = TRUE;
- }
- else
- {
- start_node = start_tree->parent_node;
- start_tree = start_tree->parent_tree;
- if (start_tree == NULL)
- /* we've run out of tree */
- /* This means we never found end node!! */
- return;
- }
+ /* we just ran out of tree. That means someone passed in bogus values.
+ */
+ return dirty;
}
- while (!done);
}
}
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.
+ **/
+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);
+
+ if (gtk_tree_selection_real_select_range (selection, start_path, end_path))
+ g_signal_emit (G_OBJECT (selection), tree_selection_signals[CHANGED], 0);
+}
-/* Called internally by gtktree_view. It handles actually selecting
- * the tree. This should almost certainly ever be called by
- * anywhere else */
+/* Called internally by gtktreeview.c It handles actually selecting the tree.
+ */
void
_gtk_tree_selection_internal_select_node (GtkTreeSelection *selection,
GtkRBNode *node,
GdkModifierType state)
{
gint flags;
+ gint dirty = FALSE;
+ GtkTreePath *anchor_path = NULL;
- if (((state & GDK_SHIFT_MASK) == GDK_SHIFT_MASK) && (selection->tree_view->priv->anchor == NULL))
- {
- selection->tree_view->priv->anchor = gtk_tree_path_copy (path);
- gtk_tree_selection_real_select_node (selection, tree, node, TRUE);
- }
- else if ((state & (GDK_CONTROL_MASK|GDK_SHIFT_MASK)) == (GDK_SHIFT_MASK|GDK_CONTROL_MASK))
+ if (selection->type == GTK_SELECTION_NONE)
+ return;
+
+ if (selection->tree_view->priv->anchor)
+ anchor_path = gtk_tree_row_reference_get_path (selection->tree_view->priv->anchor);
+
+ if (selection->type == GTK_SELECTION_SINGLE ||
+ selection->type == GTK_SELECTION_BROWSE)
{
- gtk_tree_selection_select_range (selection,
- selection->tree_view->priv->anchor,
- path);
+ /* Did we try to select the same node again? */
+ if (selection->type == GTK_SELECTION_SINGLE &&
+ anchor_path && gtk_tree_path_compare (path, anchor_path) == 0)
+ {
+ if ((state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK)
+ {
+ dirty = gtk_tree_selection_real_unselect_all (selection);
+ }
+ }
+ else
+ {
+ /* FIXME: We only want to select the new node if we can unselect the
+ * old one, and we can select the new one. We are currently
+ * unselecting the old one first, then trying the new one. */
+ if (anchor_path)
+ {
+ dirty = gtk_tree_selection_real_unselect_all (selection);
+ if (dirty)
+ {
+ if (selection->tree_view->priv->anchor)
+ gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
+ if (gtk_tree_selection_real_select_node (selection, tree, node, TRUE))
+ {
+ selection->tree_view->priv->anchor =
+ gtk_tree_row_reference_new_proxy (G_OBJECT (selection->tree_view), selection->tree_view->priv->model, path);
+ }
+ }
+ }
+ else
+ {
+ if (gtk_tree_selection_real_select_node (selection, tree, node, TRUE))
+ {
+ dirty = TRUE;
+ selection->tree_view->priv->anchor =
+ gtk_tree_row_reference_new_proxy (G_OBJECT (selection->tree_view), selection->tree_view->priv->model, path);
+ }
+ }
+ }
}
- else if ((state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK)
+ else if (selection->type == GTK_SELECTION_MULTIPLE)
{
- flags = node->flags;
- if (selection->type == GTK_TREE_SELECTION_SINGLE)
- gtk_tree_selection_unselect_all (selection);
- if (selection->tree_view->priv->anchor)
- gtk_tree_path_free (selection->tree_view->priv->anchor);
- selection->tree_view->priv->anchor = gtk_tree_path_copy (path);
- if ((flags & GTK_RBNODE_IS_SELECTED) == GTK_RBNODE_IS_SELECTED)
- gtk_tree_selection_real_select_node (selection, tree, node, FALSE);
+ if (((state & GDK_SHIFT_MASK) == GDK_SHIFT_MASK) && (anchor_path == NULL))
+ {
+ if (selection->tree_view->priv->anchor)
+ gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
+
+ selection->tree_view->priv->anchor =
+ gtk_tree_row_reference_new_proxy (G_OBJECT (selection->tree_view), selection->tree_view->priv->model, path);
+ dirty = gtk_tree_selection_real_select_node (selection, tree, node, TRUE);
+ }
+ else if ((state & (GDK_CONTROL_MASK|GDK_SHIFT_MASK)) == (GDK_SHIFT_MASK|GDK_CONTROL_MASK))
+ {
+ gtk_tree_selection_select_range (selection,
+ anchor_path,
+ path);
+ }
+ else if ((state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK)
+ {
+ flags = node->flags;
+ if (selection->tree_view->priv->anchor)
+ gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
+
+ selection->tree_view->priv->anchor =
+ gtk_tree_row_reference_new_proxy (G_OBJECT (selection->tree_view), selection->tree_view->priv->model, 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 ((state & GDK_SHIFT_MASK) == GDK_SHIFT_MASK)
+ {
+ dirty = gtk_tree_selection_real_unselect_all (selection);
+ dirty |= gtk_tree_selection_real_select_range (selection,
+ anchor_path,
+ path);
+ }
else
- gtk_tree_selection_real_select_node (selection, tree, node, TRUE);
+ {
+ dirty = gtk_tree_selection_real_unselect_all (selection);
+
+ if (selection->tree_view->priv->anchor)
+ gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
+
+ selection->tree_view->priv->anchor =
+ gtk_tree_row_reference_new_proxy (G_OBJECT (selection->tree_view), selection->tree_view->priv->model, path);
+
+ dirty |= gtk_tree_selection_real_select_node (selection, tree, node, TRUE);
+ }
}
- else if ((state & GDK_SHIFT_MASK) == GDK_SHIFT_MASK)
+
+ if (anchor_path)
+ gtk_tree_path_free (anchor_path);
+
+ if (dirty)
+ g_signal_emit (G_OBJECT (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 selected = FALSE;
+ GtkTreePath *path = NULL;
+
+ if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED) != select)
{
- gtk_tree_selection_unselect_all (selection);
- gtk_tree_selection_select_range (selection,
- selection->tree_view->priv->anchor,
- path);
+ path = _gtk_tree_view_find_path (selection->tree_view, tree, node);
+ if (selection->user_func)
+ {
+ if ((*selection->user_func) (selection, selection->tree_view->priv->model, path,
+ GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED),
+ selection->user_data))
+ selected = TRUE;
+ }
+ else
+ selected = TRUE;
+ gtk_tree_path_free (path);
}
- else
+
+ if (selected == TRUE)
{
- gtk_tree_selection_unselect_all (selection);
- if (selection->tree_view->priv->anchor)
- gtk_tree_path_free (selection->tree_view->priv->anchor);
- selection->tree_view->priv->anchor = gtk_tree_path_copy (path);
- gtk_tree_selection_real_select_node (selection, tree, node, TRUE);
+ node->flags ^= GTK_RBNODE_IS_SELECTED;
+
+ /* FIXME: just draw the one node*/
+ gtk_widget_queue_draw (GTK_WIDGET (selection->tree_view));
+ return TRUE;
}
+
+ return FALSE;
}