#include "gtktreeselection.h"
#include "gtktreeprivate.h"
#include "gtkrbtree.h"
+#include "gtkmarshalers.h"
#include "gtksignal.h"
static void gtk_tree_selection_init (GtkTreeSelection *selection);
enum
{
- SELECTION_CHANGED,
+ CHANGED,
LAST_SIGNAL
};
-static GtkObjectClass *parent_class = NULL;
-static guint tree_selection_signals[LAST_SIGNAL] = { 0 };
+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, 0);
+ selection_type = g_type_register_static (G_TYPE_OBJECT, "GtkTreeSelection", &selection_info, 0);
}
return selection_type;
parent_class = g_type_class_peek_parent (class);
object_class->finalize = gtk_tree_selection_finalize;
- class->selection_changed = NULL;
+ class->changed = NULL;
- tree_selection_signals[SELECTION_CHANGED] =
- gtk_signal_new ("selection_changed",
+ tree_selection_signals[CHANGED] =
+ gtk_signal_new ("changed",
GTK_RUN_FIRST,
GTK_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (GtkTreeSelectionClass, selection_changed),
- gtk_marshal_VOID__VOID,
+ 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_SINGLE;
+ 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);
+ 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);
}
/**
{
GtkTreeSelection *selection;
- selection = GTK_TREE_SELECTION (gtk_type_new (GTK_TYPE_TREE_SELECTION));
+ selection = GTK_TREE_SELECTION (g_object_new (GTK_TYPE_TREE_SELECTION, NULL));
return 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 (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;
}
-/* FIXME explain what the anchor is */
/**
* gtk_tree_selection_set_mode:
* @selection: A #GtkTreeSelection.
- * @type: The selection type.
+ * @type: The selection mode
*
- * Sets the selection type of the @selection. If the previous type was
- * #GTK_TREE_SELECTION_MULTI and @type is #GTK_TREE_SELECTION_SINGLE, then
- * the anchor is kept selected, if it was previously selected.
+ * 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_mode (GtkTreeSelection *selection,
- GtkTreeSelectionMode 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)
{
- 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);
+ 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.
*
* 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,
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);
+ 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;
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;
}
-GtkTreeView*
+/**
+ * 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);
* @iter: The #GtkTreeIter, or NULL.
*
* Sets @iter to the currently selected node if @selection is set to
- * #GTK_TREE_SELECTION_SINGLE. @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_TREE_SELECTION_MULTI.
+ * #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.
**/
GtkTreePath *anchor_path;
gboolean retval;
- g_return_val_if_fail (selection != NULL, FALSE);
g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), FALSE);
- g_return_val_if_fail (selection->type == GTK_TREE_SELECTION_SINGLE, 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);
GtkRBNode *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 ();
+ path = gtk_tree_path_new_first ();
gtk_tree_model_get_iter (selection->tree_view->priv->model,
&iter, path);
- gtk_tree_path_free (path);
do
{
if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
- (* func) (selection->tree_view->priv->model, &iter, data);
+ (* func) (selection->tree_view->priv->model, path, &iter, data);
if (node->children)
{
gboolean has_child;
node = node->left;
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 (has_child);
}
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 (has_next);
node = tree->parent_node;
tree = tree->parent_tree;
if (tree == NULL)
- /* we've run out of tree */
- /* We're done with this function */
- return;
+ {
+ 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 (has_parent);
}
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,
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);
{
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);
{
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);
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;
+
+ 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;
* gtk_tree_selection_select_all:
* @selection: A #GtkTreeSelection.
*
- * Selects all the nodes. @selection is must be set to
- * #GTK_TREE_SELECTION_MULTI mode.
+ * 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 (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);
- g_return_if_fail (selection->type != GTK_TREE_SELECTION_MULTI);
+ 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))
- gtk_signal_emit (GTK_OBJECT (selection), tree_selection_signals[SELECTION_CHANGED]);
+ g_signal_emit (G_OBJECT (selection), tree_selection_signals[CHANGED], 0);
}
static void
{
struct _TempTuple *tuple;
- if (selection->type == GTK_TREE_SELECTION_SINGLE)
+ if (selection->type == GTK_SELECTION_SINGLE ||
+ selection->type == GTK_SELECTION_BROWSE)
{
GtkRBTree *tree = NULL;
GtkRBNode *node = NULL;
void
gtk_tree_selection_unselect_all (GtkTreeSelection *selection)
{
- 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->tree_view->priv->tree == NULL)
+ return;
+
if (selection->tree_view->priv->tree == NULL)
return;
if (gtk_tree_selection_real_unselect_all (selection))
- gtk_signal_emit (GTK_OBJECT (selection), tree_selection_signals[SELECTION_CHANGED]);
+ g_signal_emit (G_OBJECT (selection), tree_selection_signals[CHANGED], 0);
}
static gint
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,
do
{
- if (GTK_RBNODE_FLAG_SET (start_node, GTK_RBNODE_IS_SELECTED))
- {
- dirty = gtk_tree_selection_real_select_node (selection, start_tree, start_node, FALSE);
- }
+ dirty |= gtk_tree_selection_real_select_node (selection, start_tree, start_node, TRUE);
if (start_node == end_node)
break;
}
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)
- /* FIXME should this really be silent, or should it g_warning? */
- /* we've run out of tree */
- /* This means we never found end node!! */
- break;
- }
+ /* we just ran out of tree. That means someone passed in bogus values.
+ */
+ return dirty;
}
- while (!done);
}
}
while (TRUE);
GtkTreePath *start_path,
GtkTreePath *end_path)
{
- g_return_if_fail (selection != NULL);
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))
- gtk_signal_emit (GTK_OBJECT (selection), tree_selection_signals[SELECTION_CHANGED]);
+ g_signal_emit (G_OBJECT (selection), tree_selection_signals[CHANGED], 0);
}
/* Called internally by gtktreeview.c It handles actually selecting the tree.
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_TREE_SELECTION_SINGLE)
+ if (selection->type == GTK_SELECTION_SINGLE ||
+ selection->type == GTK_SELECTION_BROWSE)
{
/* Did we try to select the same node again? */
- if (anchor_path && gtk_tree_path_compare (path, anchor_path) == 0)
+ 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 (selection->type == GTK_TREE_SELECTION_MULTI)
+ else if (selection->type == GTK_SELECTION_MULTIPLE)
{
if (((state & GDK_SHIFT_MASK) == GDK_SHIFT_MASK) && (anchor_path == NULL))
{
gtk_tree_path_free (anchor_path);
if (dirty)
- gtk_signal_emit (GTK_OBJECT (selection), tree_selection_signals[SELECTION_CHANGED]);
+ g_signal_emit (G_OBJECT (selection), tree_selection_signals[CHANGED], 0);
}
/* NOTE: Any {un,}selection ever done _MUST_ be done through this function!
*/
-/* FIXME: user_func can screw up GTK_TREE_SELECTION_SINGLE. If it prevents
- * unselection of a node, it can keep more then one node selected.
- */
-/* Perhaps the correct solution is to prevent selecting the new node, if
- * we fail to unselect the old node.
- */
static gint
gtk_tree_selection_real_select_node (GtkTreeSelection *selection,
GtkRBTree *tree,
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