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treeview: filter out invisible columns in get_path_for_child()

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Since we check for !list->next (and !list->prev for RTL) to set the
GTK_REGION_LAST flag, we have to filter out invisible columns before
looping; if we don't do that we might end up assigning GTK_REGION_LAST
to an invisible column.

https://bugzilla.gnome.org/show_bug.cgi?id=672937
This commit is contained in:
Cosimo Cecchi 2012-03-26 16:14:08 -04:00
parent c1a7da05a4
commit 52bd5f2f1f
1 changed files with 15 additions and 9 deletions
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24
gtk/gtktreeview.c
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@ -8509,22 +8509,28 @@ gtk_tree_view_get_path_for_child (GtkContainer *container,
GtkTreeView *tree_view = GTK_TREE_VIEW (container);
GtkWidgetPath *path;
gboolean rtl;
GList *list;
GList *list, *visible_columns = NULL;
gint n_col = 0;
path = GTK_CONTAINER_CLASS (gtk_tree_view_parent_class)->get_path_for_child (container, child);
rtl = (gtk_widget_get_direction (GTK_WIDGET (container)) == GTK_TEXT_DIR_RTL);
for (list = (rtl ? g_list_last (tree_view->priv->columns) : g_list_first (tree_view->priv->columns));
list;
list = (rtl ? list->prev : list->next))
for (list = tree_view->priv->columns; list; list = list->next)
{
GtkTreeViewColumn *column = list->data;
if (gtk_tree_view_column_get_visible (column))
visible_columns = g_list_prepend (visible_columns, column);
}
if (!rtl)
visible_columns = g_list_reverse (visible_columns);
for (list = visible_columns; list != NULL; list = list->next)
{
GtkTreeViewColumn *column = list->data;
GtkRegionFlags flags = 0;
if (!gtk_tree_view_column_get_visible (column))
continue;
n_col++;
if (gtk_tree_view_column_get_widget (column) != child &&
@ -8539,13 +8545,13 @@ gtk_tree_view_get_path_for_child (GtkContainer *container,
if (n_col == 1)
flags |= GTK_REGION_FIRST;
if ((rtl && !list->prev) ||
(!rtl && !list->next))
if (!list->next)
flags |= GTK_REGION_LAST;
gtk_widget_path_iter_add_region (path, -1, GTK_STYLE_REGION_COLUMN_HEADER, flags);
break;
}
g_list_free (visible_columns);
gtk_widget_path_append_for_widget (path, child);