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combobox: implement get_path_for_child() for GtkComboBox

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This way we can adjust borders and rounded corners from the theme when
displaying the widget children flipped for RTL locales.

https://bugzilla.gnome.org/show_bug.cgi?id=658507
This commit is contained in:
Cosimo Cecchi 2011-09-08 18:13:59 -04:00
parent e028a5c090
commit e97ed4374f
1 changed files with 88 additions and 1 deletions
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89
gtk/gtkcombobox.c
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@ -462,7 +462,10 @@ static void gtk_combo_box_get_preferred_height_for_width (GtkWidget *widg
gint avail_size,
gint *minimum_size,
gint *natural_size);
static GtkWidgetPath *gtk_combo_box_get_path_for_child (GtkContainer *container,
GtkWidget *child);
static void gtk_combo_box_direction_changed (GtkWidget *widget,
GtkTextDirection previous_direction);
G_DEFINE_TYPE_WITH_CODE (GtkComboBox, gtk_combo_box, GTK_TYPE_BIN,
G_IMPLEMENT_INTERFACE (GTK_TYPE_CELL_LAYOUT,
@ -486,6 +489,7 @@ gtk_combo_box_class_init (GtkComboBoxClass *klass)
container_class->forall = gtk_combo_box_forall;
container_class->add = gtk_combo_box_add;
container_class->remove = gtk_combo_box_remove;
container_class->get_path_for_child = gtk_combo_box_get_path_for_child;
widget_class = (GtkWidgetClass *)klass;
widget_class->size_allocate = gtk_combo_box_size_allocate;
@ -500,6 +504,7 @@ gtk_combo_box_class_init (GtkComboBoxClass *klass)
widget_class->get_preferred_height_for_width = gtk_combo_box_get_preferred_height_for_width;
widget_class->get_preferred_width_for_height = gtk_combo_box_get_preferred_width_for_height;
widget_class->destroy = gtk_combo_box_destroy;
widget_class->direction_changed = gtk_combo_box_direction_changed;
object_class = (GObjectClass *)klass;
object_class->constructor = gtk_combo_box_constructor;
@ -1317,6 +1322,88 @@ gtk_combo_box_button_state_flags_changed (GtkWidget *widget,
gtk_widget_queue_draw (widget);
}
static void
gtk_combo_box_invalidate_order (GtkComboBox *combo_box)
{
gtk_container_forall (GTK_CONTAINER (combo_box),
(GtkCallback) gtk_widget_reset_style,
NULL);
}
static void
gtk_combo_box_direction_changed (GtkWidget *widget,
GtkTextDirection previous_direction)
{
gtk_combo_box_invalidate_order (GTK_COMBO_BOX (widget));
}
static GtkWidgetPath *
gtk_combo_box_get_path_for_child (GtkContainer *container,
GtkWidget *child)
{
GtkComboBoxPrivate *priv = GTK_COMBO_BOX (container)->priv;
GtkWidgetPath *path;
GtkWidget *widget;
gboolean found = FALSE;
GList *visible_children, *l;
GtkWidgetPath *sibling_path;
int pos;
path = gtk_widget_path_copy (gtk_widget_get_path (GTK_WIDGET (container)));
if (gtk_widget_get_visible (child))
{
visible_children = NULL;
if (priv->button && gtk_widget_get_visible (priv->button))
visible_children = g_list_prepend (visible_children, priv->button);
if (priv->cell_view_frame && gtk_widget_get_visible (priv->cell_view_frame))
visible_children = g_list_prepend (visible_children, priv->cell_view_frame);
widget = gtk_bin_get_child (GTK_BIN (container));
if (widget && gtk_widget_get_visible (widget))
visible_children = g_list_prepend (visible_children, widget);
if (gtk_widget_get_direction (GTK_WIDGET (container)) == GTK_TEXT_DIR_RTL)
visible_children = g_list_reverse (visible_children);
pos = 0;
for (l = visible_children; l; l = l->next)
{
widget = l->data;
if (widget == child)
{
found = TRUE;
break;
}
pos++;
}
}
if (found)
{
sibling_path = gtk_widget_path_new ();
for (l = visible_children; l; l = l->next)
gtk_widget_path_append_for_widget (sibling_path, l->data);
gtk_widget_path_append_with_siblings (path, sibling_path, pos);
g_list_free (visible_children);
gtk_widget_path_unref (sibling_path);
}
else
{
gtk_widget_path_append_for_widget (path, child);
}
return path;
}
static void
gtk_combo_box_check_appearance (GtkComboBox *combo_box)
{