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a11y: Emit focus change events when focus cell changes

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This commit is contained in:
Benjamin Otte 2012-02-11 03:00:04 +01:00
parent 5fe947640c
commit 24db6d7a6f
1 changed files with 37 additions and 0 deletions
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37
gtk/a11y/gtktreeviewaccessible.c
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@ -2095,6 +2095,43 @@ _gtk_tree_view_accessible_update_focus_column (GtkTreeView *treeview,
GtkTreeViewColumn *old_focus,
GtkTreeViewColumn *new_focus)
{
GtkTreeViewAccessible *accessible;
AtkObject *obj;
GtkRBTree *cursor_tree;
GtkRBNode *cursor_node;
GtkCellAccessible *cell;
old_focus = get_effective_focus_column (treeview, old_focus);
new_focus = get_effective_focus_column (treeview, new_focus);
if (old_focus == new_focus)
return;
obj = _gtk_widget_peek_accessible (GTK_WIDGET (treeview));
if (obj == NULL)
return;
accessible = GTK_TREE_VIEW_ACCESSIBLE (obj);
if (!_gtk_tree_view_get_cursor_node (treeview, &cursor_tree, &cursor_node))
return;
if (old_focus)
{
cell = peek_cell (accessible, cursor_tree, cursor_node, old_focus);
if (cell != NULL)
_gtk_cell_accessible_state_changed (cell, GTK_CELL_RENDERER_FOCUSED, 0);
}
if (new_focus)
{
/* XXX: force creation here */
cell = peek_cell (accessible, cursor_tree, cursor_node, new_focus);
if (cell != NULL)
{
_gtk_cell_accessible_state_changed (cell, 0, GTK_CELL_RENDERER_FOCUSED);
g_signal_emit_by_name (accessible, "active-descendant-changed", cell);
}
}
}
void