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new function. (fixes #105252, suggestion from Mikael Hallendal).

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2005-07-14  Kristian Rietveld  <kris@gtk.org>

	* gtk/gtktreeview.[ch] (gtk_tree_view_get_visible_range): new
	function. (fixes #105252, suggestion from Mikael Hallendal).
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Kristian Rietveld 2005-07-13 23:05:27 +00:00 committed by Kristian Rietveld
parent 4561b2b872
commit a6ecb70b14
5 changed files with 65 additions and 0 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
2005-07-14 Kristian Rietveld <kris@gtk.org>
* gtk/gtktreeview.[ch] (gtk_tree_view_get_visible_range): new
function. (fixes #105252, suggestion from Mikael Hallendal).
2005-07-13 Manish Singh <yosh@gimp.org>
* demos/gtk-demo/iconview_edit.c: remove unused variable.

5
ChangeLog.pre-2-10
View File

@ -1,3 +1,8 @@
2005-07-14 Kristian Rietveld <kris@gtk.org>
* gtk/gtktreeview.[ch] (gtk_tree_view_get_visible_range): new
function. (fixes #105252, suggestion from Mikael Hallendal).
2005-07-13 Manish Singh <yosh@gimp.org>
* demos/gtk-demo/iconview_edit.c: remove unused variable.

5
ChangeLog.pre-2-8
View File

@ -1,3 +1,8 @@
2005-07-14 Kristian Rietveld <kris@gtk.org>
* gtk/gtktreeview.[ch] (gtk_tree_view_get_visible_range): new
function. (fixes #105252, suggestion from Mikael Hallendal).
2005-07-13 Manish Singh <yosh@gimp.org>
* demos/gtk-demo/iconview_edit.c: remove unused variable.

47
gtk/gtktreeview.c
View File

@ -11768,6 +11768,53 @@ gtk_tree_view_tree_to_widget_coords (GtkTreeView *tree_view,
*wy = ty - tree_view->priv->dy;
}
/**
* gtk_tree_view_get_visible_range:
* @tree_view: A #GtkTreeView
* @start_path: Return location for start of region, or %NULL.
* @end_path: Return location for end of region, or %NULL.
*
* Sets @start_path and @end_path to be the first and last visible path.
* Note that there may be invisible paths in between.
*
* Returns: %TRUE, if valid paths were placed in @start_path and @end_path.
*
* Since: 2.8
**/
gboolean
gtk_tree_view_get_visible_range (GtkTreeView *tree_view,
GtkTreePath **start_path,
GtkTreePath **end_path)
{
GtkRBTree *tree;
GtkRBNode *node;
g_return_val_if_fail (GTK_IS_TREE_VIEW (tree_view), FALSE);
if (start_path)
{
_gtk_rbtree_find_offset (tree_view->priv->tree,
TREE_WINDOW_Y_TO_RBTREE_Y (tree_view, 0),
&tree, &node);
*start_path = _gtk_tree_view_find_path (tree_view, tree, node);
}
if (end_path)
{
gint y;
if (tree_view->priv->height < tree_view->priv->vadjustment->page_size)
y = tree_view->priv->height - 1;
else
y = TREE_WINDOW_Y_TO_RBTREE_Y (tree_view, tree_view->priv->vadjustment->page_size) - 1;
_gtk_rbtree_find_offset (tree_view->priv->tree, y, &tree, &node);
*end_path = _gtk_tree_view_find_path (tree_view, tree, node);
}
return TRUE;
}
static void
unset_reorderable (GtkTreeView *tree_view)
{

3
gtk/gtktreeview.h
View File

@ -262,6 +262,9 @@ void gtk_tree_view_tree_to_widget_coords (GtkTreeView
gint ty,
gint *wx,
gint *wy);
gboolean gtk_tree_view_get_visible_range (GtkTreeView *tree_view,
GtkTreePath **start_path,
GtkTreePath **end_path);
/* Drag-and-Drop support */
void gtk_tree_view_enable_model_drag_source (GtkTreeView *tree_view,