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Bug 539377 – Unnecessary warnings when GtkTreeView is not realized

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Adapt gtk_tree_view_get_path_at_pos() and
gtk_tree_view_get_drag_dest_row() to just return FALSE when bin_window
is NULL and not hit a warning.  Makes this case consistent with the tree
view not having a model.  Documentation has been updated to clarify
this, unit test has been added.

Fixes bug 539377, based on a patch by Bjorn Lindqvist.
This commit is contained in:
Kristian Rietveld 2009-07-30 14:17:00 +02:00
parent ff10f9ce02
commit 069a593b0f
2 changed files with 41 additions and 6 deletions
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19
gtk/gtktreeview.c
View File

@ -12642,7 +12642,8 @@ gtk_tree_view_get_bin_window (GtkTreeView *tree_view)
* with the column at that point. @cell_x and @cell_y return the coordinates
* relative to the cell background (i.e. the @background_area passed to
* gtk_cell_renderer_render()). This function is only meaningful if
* @tree_view is realized.
* @tree_view is realized. Therefore this function will always return %FALSE
* if @tree_view is not realized or does not have a model.
*
* For converting widget coordinates (eg. the ones you get from
* GtkWidget::query-tooltip), please see
@ -12664,13 +12665,15 @@ gtk_tree_view_get_path_at_pos (GtkTreeView *tree_view,
gint y_offset;
g_return_val_if_fail (tree_view != NULL, FALSE);
g_return_val_if_fail (tree_view->priv->bin_window != NULL, FALSE);
if (path)
*path = NULL;
if (column)
*column = NULL;
if (tree_view->priv->bin_window == NULL)
return FALSE;
if (tree_view->priv->tree == NULL)
return FALSE;
@ -13493,9 +13496,12 @@ gtk_tree_view_get_drag_dest_row (GtkTreeView *tree_view,
* @pos: Return location for the drop position, or %NULL
*
* Determines the destination row for a given position. @drag_x and
* @drag_y are expected to be in widget coordinates.
* @drag_y are expected to be in widget coordinates. This function is only
* meaningful if @tree_view is realized. Therefore this function will always
* return %FALSE if @tree_view is not realized or does not have a model.
*
* Return value: whether there is a row at the given position.
* Return value: whether there is a row at the given position, %TRUE if this
* is indeed the case.
**/
gboolean
gtk_tree_view_get_dest_row_at_pos (GtkTreeView *tree_view,
@ -13519,12 +13525,13 @@ gtk_tree_view_get_dest_row_at_pos (GtkTreeView *tree_view,
g_return_val_if_fail (tree_view != NULL, FALSE);
g_return_val_if_fail (drag_x >= 0, FALSE);
g_return_val_if_fail (drag_y >= 0, FALSE);
g_return_val_if_fail (tree_view->priv->bin_window != NULL, FALSE);
if (path)
*path = NULL;
if (tree_view->priv->bin_window == NULL)
return FALSE;
if (tree_view->priv->tree == NULL)
return FALSE;

28
gtk/tests/treeview.c
View File

@ -69,6 +69,33 @@ test_bug_546005 (void)
gtk_tree_path_free (path);
}
static void
test_bug_539377 (void)
{
GtkWidget *view;
GtkTreePath *path;
GtkListStore *list_store;
/* Test provided by Bjorn Lindqvist */
/* Non-realized view, no model */
view = gtk_tree_view_new ();
g_assert (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (view), 10, 10, &path,
NULL, NULL, NULL) == FALSE);
g_assert (gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (view), 10, 10,
&path, NULL) == FALSE);
/* Non-realized view, with model */
list_store = gtk_list_store_new (1, G_TYPE_STRING);
gtk_tree_view_set_model (GTK_TREE_VIEW (view),
GTK_TREE_MODEL (list_store));
g_assert (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (view), 10, 10, &path,
NULL, NULL, NULL) == FALSE);
g_assert (gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (view), 10, 10,
&path, NULL) == FALSE);
}
int
main (int argc,
char **argv)
@ -76,6 +103,7 @@ main (int argc,
gtk_test_init (&argc, &argv, NULL);
g_test_add_func ("/TreeView/cursor/bug-546005", test_bug_546005);
g_test_add_func ("/TreeView/cursor/bug-539377", test_bug_539377);
return g_test_run ();
}