#include "gtktreeselection.h"
#include "gtktreeprivate.h"
#include "gtkrbtree.h"
+#include "gtkmarshalers.h"
#include "gtksignal.h"
static void gtk_tree_selection_init (GtkTreeSelection *selection);
GTK_RUN_FIRST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkTreeSelectionClass, changed),
- gtk_marshal_VOID__VOID,
+ _gtk_marshal_VOID__VOID,
GTK_TYPE_NONE, 0);
}
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);
+ GtkTreeSelection *selection = GTK_TREE_SELECTION (object);
+
+ if (selection->destroy)
+ {
+ GtkDestroyNotify d = selection->destroy;
+
+ selection->destroy = NULL;
+ d (selection->user_data);
+ }
/* chain parent_class' handler */
G_OBJECT_CLASS (parent_class)->finalize (object);
* @type: The selection mode
*
* Sets the selection mode of the @selection. If the previous type was
- * #GTK_SELECTION_MULTIPLE and, then the anchor is kept selected, if it was
+ * #GTK_SELECTION_MULTIPLE, then the anchor is kept selected, if it was
* previously selected.
**/
void
gtk_tree_selection_set_mode (GtkTreeSelection *selection,
GtkSelectionMode type)
{
+ GtkTreeSelectionFunc tmp_func;
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
if (selection->type == type)
return;
- if (type == GTK_SELECTION_SINGLE ||
- type == GTK_SELECTION_BROWSE)
+
+ if (type == GTK_SELECTION_NONE)
+ {
+ /* 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;
+
+ gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
+ selection->tree_view->priv->anchor = NULL;
+ }
+ 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)
{
- GtkTreePath *anchor_path;
-
anchor_path = gtk_tree_row_reference_get_path (selection->tree_view->priv->anchor);
if (anchor_path)
if (node && GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
selected = TRUE;
-
- gtk_tree_path_free (anchor_path);
}
}
- /* FIXME: if user_func is set, then it needs to unconditionally unselect
- * all.
+
+ /* 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;
- /* FIXME are we properly emitting the selection_changed signal here? */
if (node && selected)
- GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_IS_SELECTED);
+ _gtk_tree_selection_internal_select_node (selection,
+ node,
+ tree,
+ anchor_path,
+ 0,
+ FALSE);
+ if (anchor_path)
+ gtk_tree_path_free (anchor_path);
}
+
selection->type = type;
}
*
* 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,
g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
g_return_if_fail (func != NULL);
+ if (selection->destroy)
+ {
+ GtkDestroyNotify d = selection->destroy;
+
+ selection->destroy = NULL;
+ d (selection->user_data);
+ }
+
selection->user_func = func;
selection->user_data = data;
selection->destroy = destroy;
/**
* gtk_tree_selection_get_selected:
* @selection: A #GtkTreeSelection.
- * @model: A pointer set to the #GtkTreeModel, or NULL.
+ * @model: A pointer to set to the #GtkTreeModel, or NULL.
* @iter: The #GtkTreeIter, or NULL.
*
* Sets @iter to the currently selected node if @selection is set to
GtkRBNode *node;
GtkTreePath *anchor_path;
gboolean retval;
+ gboolean found_node;
g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), FALSE);
g_return_val_if_fail (selection->type != GTK_SELECTION_MULTIPLE, FALSE);
if (anchor_path == NULL)
return FALSE;
- if (iter == NULL)
- {
- gtk_tree_path_free (anchor_path);
- return TRUE;
- }
-
retval = FALSE;
- if (!_gtk_tree_view_find_node (selection->tree_view,
- anchor_path,
- &tree,
- &node) &&
- ! GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
+ found_node = !_gtk_tree_view_find_node (selection->tree_view,
+ anchor_path,
+ &tree,
+ &node);
+
+ if (found_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 only want to return the anchor if it exists in the rbtree and
+ * is selected.
*/
- retval = FALSE;
+ if (iter == NULL)
+ retval = TRUE;
+ else
+ retval = gtk_tree_model_get_iter (selection->tree_view->priv->model,
+ iter,
+ anchor_path);
}
else
{
- retval = gtk_tree_model_get_iter (selection->tree_view->priv->model,
- iter,
- anchor_path);
+ /* We don't want to return the anchor if it isn't actually selected.
+ */
+ retval = FALSE;
}
gtk_tree_path_free (anchor_path);
return retval;
}
+/**
+ * gtk_tree_selection_get_selected_rows:
+ * @selection: A #GtkTreeSelection.
+ * @model: A pointer to set to the #GtkTreeModel, or NULL.
+ *
+ * Creates a list of path of all selected rows. Additionally, if you are
+ * planning on modifying the model after calling this function, you may
+ * want to convert the returned list into a list of #GtkTreeRowReferences.
+ * To do this, you can use gtk_tree_row_reference_new_proxy().
+ *
+ * To free the return value, use:
+ * <informalexample><programlisting>
+ * g_list_foreach (list, gtk_tree_path_free, NULL);
+ * g_list_free (list);
+ * </programlisting></informalexample>
+ *
+ * Return value: A #GList containing a #GtkTreePath for each selected row.
+ **/
+GList *
+gtk_tree_selection_get_selected_rows (GtkTreeSelection *selection,
+ GtkTreeModel **model)
+{
+ GList *list = NULL;
+ GtkRBTree *tree = NULL;
+ GtkRBNode *node = NULL;
+ GtkTreePath *path;
+
+ g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), NULL);
+ g_return_val_if_fail (selection->tree_view != NULL, NULL);
+ g_return_val_if_fail (selection->tree_view->priv->model != NULL, NULL);
+
+ if (selection->tree_view->priv->tree == NULL ||
+ selection->tree_view->priv->tree->root == NULL)
+ return NULL;
+
+ if (model)
+ *model = selection->tree_view->priv->model;
+
+ if (selection->type == GTK_SELECTION_NONE)
+ return NULL;
+ else if (selection->type != GTK_SELECTION_MULTIPLE)
+ {
+ GtkTreeIter iter;
+
+ if (gtk_tree_selection_get_selected (selection, NULL, &iter))
+ {
+ GtkTreePath *path;
+
+ path = gtk_tree_model_get_path (*model, &iter);
+ list = g_list_append (list, path);
+
+ return list;
+ }
+
+ return NULL;
+ }
+
+ tree = selection->tree_view->priv->tree;
+ node = selection->tree_view->priv->tree->root;
+
+ while (node->left != tree->nil)
+ node = node->left;
+ path = gtk_tree_path_new_first ();
+
+ do
+ {
+ if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
+ list = g_list_append (list, gtk_tree_path_copy (path));
+
+ 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)
+ {
+ gtk_tree_path_free (path);
+ return list;
+ }
+
+ gtk_tree_path_up (path);
+ }
+ }
+ while (!done);
+ }
+ }
+ while (TRUE);
+
+ gtk_tree_path_free (path);
+
+ return 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.
+ **/
+gint
+gtk_tree_selection_count_selected_rows (GtkTreeSelection *selection)
+{
+ gint count = 0;
+ GtkRBTree *tree;
+ GtkRBNode *node;
+
+ g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), 0);
+ g_return_val_if_fail (selection->tree_view != NULL, 0);
+ g_return_val_if_fail (selection->tree_view->priv->model != NULL, 0);
+
+ if (selection->tree_view->priv->tree == NULL ||
+ selection->tree_view->priv->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;
+ }
+
+ tree = selection->tree_view->priv->tree;
+ node = selection->tree_view->priv->tree->root;
+
+ _gtk_rbtree_traverse (selection->tree_view->priv->tree,
+ selection->tree_view->priv->tree->root,
+ G_PRE_ORDER,
+ gtk_tree_selection_count_selected_rows_helper,
+ &count);
+
+ return count;
+}
+
/**
* 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.
+ * 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,
node = node->left;
/* find the node internally */
- path = gtk_tree_path_new_root ();
+ path = gtk_tree_path_new_first ();
gtk_tree_model_get_iter (selection->tree_view->priv->model,
&iter, path);
GtkRBNode *node;
GtkRBTree *tree;
GdkModifierType state = 0;
+ 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);
- _gtk_tree_view_find_node (selection->tree_view,
- path,
- &tree,
- &node);
+ ret = _gtk_tree_view_find_node (selection->tree_view,
+ path,
+ &tree,
+ &node);
- if (node == NULL || GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
+ if (node == NULL || GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED) ||
+ ret == TRUE)
return;
if (selection->type == GTK_SELECTION_MULTIPLE)
node,
tree,
path,
- state);
+ state,
+ FALSE);
}
/**
{
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);
- _gtk_tree_view_find_node (selection->tree_view,
- path,
- &tree,
- &node);
+ ret = _gtk_tree_view_find_node (selection->tree_view,
+ path,
+ &tree,
+ &node);
- if (node == NULL || !GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
+ 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,
- GDK_CONTROL_MASK);
+ GDK_CONTROL_MASK,
+ TRUE);
}
/**
if (path == NULL)
return;
- gtk_tree_selection_select_path (selection, path);
+ 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);
+ g_return_val_if_fail (selection->tree_view->priv->model != NULL, 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;
+ 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;
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);
+ 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);
g_signal_emit (G_OBJECT (selection), tree_selection_signals[CHANGED], 0);
}
+enum
+{
+ RANGE_SELECT,
+ RANGE_UNSELECT
+};
+
static gint
-gtk_tree_selection_real_select_range (GtkTreeSelection *selection,
+gtk_tree_selection_real_modify_range (GtkTreeSelection *selection,
+ gint mode,
GtkTreePath *start_path,
GtkTreePath *end_path)
{
do
{
- dirty |= gtk_tree_selection_real_select_node (selection, start_tree, start_node, TRUE);
+ dirty |= gtk_tree_selection_real_select_node (selection, start_tree, start_node, (mode == RANGE_SELECT)?TRUE:FALSE);
if (start_node == end_node)
break;
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))
+ if (gtk_tree_selection_real_modify_range (selection, RANGE_SELECT, start_path, end_path))
+ g_signal_emit (G_OBJECT (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.
+ **/
+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);
+
+ if (gtk_tree_selection_real_modify_range (selection, RANGE_UNSELECT, start_path, end_path))
g_signal_emit (G_OBJECT (selection), tree_selection_signals[CHANGED], 0);
}
/* 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,
- GdkModifierType state)
+ GdkModifierType state,
+ gboolean override_browse_mode)
{
gint flags;
gint dirty = FALSE;
GtkTreePath *anchor_path = NULL;
+ 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)
{
+ /* 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? */
- if (selection->type == GTK_SELECTION_SINGLE &&
- anchor_path && gtk_tree_path_compare (path, anchor_path) == 0)
+ else if (selection->type == GTK_SELECTION_SINGLE &&
+ anchor_path && gtk_tree_path_compare (path, anchor_path) == 0)
{
if ((state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK)
{
}
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);
+ /* We only want to select the new node if we can unselect the old one,
+ * and we can select the new one. */
+ 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))
+ dirty = TRUE;
+ }
+ else
+ {
+ dirty = TRUE;
+ }
+
+ /* 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)
{
if (selection->tree_view->priv->anchor)
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,
+ dirty |= gtk_tree_selection_real_modify_range (selection,
+ RANGE_SELECT,
anchor_path,
path);
}
gboolean selected = 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);
if (selection->user_func)
{
- if ((*selection->user_func) (selection, selection->tree_view->priv->model, path, selection->user_data))
+ 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
{
node->flags ^= GTK_RBNODE_IS_SELECTED;
- /* FIXME: just draw the one node*/
- gtk_widget_queue_draw (GTK_WIDGET (selection->tree_view));
+ _gtk_tree_view_queue_draw_node (selection->tree_view, tree, node, NULL);
+
return TRUE;
}
projects / ~andy / gtk / blobdiff