static void
popup_menu (GtkMenuButton *menu_button,
GdkEventButton *event)
{
GtkMenuButtonPrivate *priv = menu_button->priv;
GtkMenuPositionFunc func;
if (priv->func)
priv->func (priv->user_data);
if (!priv->menu)
return;
switch (priv->arrow_type)
{
case GTK_ARROW_LEFT:
case GTK_ARROW_RIGHT:
func = (GtkMenuPositionFunc) menu_position_side_func;
break;
default:
func = (GtkMenuPositionFunc) menu_position_up_down_func;
break;
}
gtk_menu_popup_for_device (GTK_MENU (priv->menu),
event ? event->device : NULL,
NULL, NULL,
func,
GTK_WIDGET (menu_button),
NULL,
event ? event->button : 0,
event ? event->time : gtk_get_current_event_time ());
}
static void
popup_menu (GtkMenuButton *menu_button,
GdkEvent *event)
{
GtkMenuButtonPrivate *priv = menu_button->priv;
GdkGravity widget_anchor = GDK_GRAVITY_SOUTH_WEST;
GdkGravity menu_anchor = GDK_GRAVITY_NORTH_WEST;
if (priv->func)
priv->func (priv->user_data);
if (!priv->menu)
return;
switch (priv->arrow_type)
{
case GTK_ARROW_UP:
g_object_set (priv->menu,
"anchor-hints", (GDK_ANCHOR_FLIP_Y |
GDK_ANCHOR_SLIDE |
GDK_ANCHOR_RESIZE),
NULL);
switch (gtk_widget_get_halign (priv->menu))
{
case GTK_ALIGN_FILL:
case GTK_ALIGN_START:
case GTK_ALIGN_BASELINE:
widget_anchor = GDK_GRAVITY_NORTH_WEST;
menu_anchor = GDK_GRAVITY_SOUTH_WEST;
break;
case GTK_ALIGN_END:
widget_anchor = GDK_GRAVITY_NORTH_EAST;
menu_anchor = GDK_GRAVITY_SOUTH_EAST;
break;
case GTK_ALIGN_CENTER:
widget_anchor = GDK_GRAVITY_NORTH;
menu_anchor = GDK_GRAVITY_SOUTH;
break;
}
break;
case GTK_ARROW_DOWN:
/* In the common case the menu button is showing a dropdown menu, set the
* corresponding type hint on the toplevel, so the WM can omit the top side
* of the shadows.
*/
g_object_set (priv->menu,
"anchor-hints", (GDK_ANCHOR_FLIP_Y |
GDK_ANCHOR_SLIDE |
GDK_ANCHOR_RESIZE),
"menu-type-hint", GDK_WINDOW_TYPE_HINT_DROPDOWN_MENU,
NULL);
switch (gtk_widget_get_halign (priv->menu))
{
case GTK_ALIGN_FILL:
case GTK_ALIGN_START:
case GTK_ALIGN_BASELINE:
widget_anchor = GDK_GRAVITY_SOUTH_WEST;
menu_anchor = GDK_GRAVITY_NORTH_WEST;
break;
case GTK_ALIGN_END:
widget_anchor = GDK_GRAVITY_SOUTH_EAST;
menu_anchor = GDK_GRAVITY_NORTH_EAST;
break;
case GTK_ALIGN_CENTER:
widget_anchor = GDK_GRAVITY_SOUTH;
menu_anchor = GDK_GRAVITY_NORTH;
break;
}
break;
case GTK_ARROW_LEFT:
g_object_set (priv->menu,
"anchor-hints", (GDK_ANCHOR_FLIP_X |
GDK_ANCHOR_SLIDE |
GDK_ANCHOR_RESIZE),
NULL);
switch (gtk_widget_get_valign (priv->menu))
{
case GTK_ALIGN_FILL:
case GTK_ALIGN_START:
case GTK_ALIGN_BASELINE:
widget_anchor = GDK_GRAVITY_NORTH_WEST;
menu_anchor = GDK_GRAVITY_NORTH_EAST;
break;
case GTK_ALIGN_END:
widget_anchor = GDK_GRAVITY_SOUTH_WEST;
menu_anchor = GDK_GRAVITY_SOUTH_EAST;
break;
case GTK_ALIGN_CENTER:
widget_anchor = GDK_GRAVITY_WEST;
menu_anchor = GDK_GRAVITY_EAST;
break;
}
break;
case GTK_ARROW_RIGHT:
g_object_set (priv->menu,
"anchor-hints", (GDK_ANCHOR_FLIP_X |
GDK_ANCHOR_SLIDE |
GDK_ANCHOR_RESIZE),
NULL);
switch (gtk_widget_get_valign (priv->menu))
{
case GTK_ALIGN_FILL:
case GTK_ALIGN_START:
case GTK_ALIGN_BASELINE:
widget_anchor = GDK_GRAVITY_NORTH_EAST;
menu_anchor = GDK_GRAVITY_NORTH_WEST;
break;
case GTK_ALIGN_END:
widget_anchor = GDK_GRAVITY_SOUTH_EAST;
menu_anchor = GDK_GRAVITY_SOUTH_WEST;
break;
case GTK_ALIGN_CENTER:
widget_anchor = GDK_GRAVITY_EAST;
menu_anchor = GDK_GRAVITY_WEST;
break;
}
break;
case GTK_ARROW_NONE:
g_object_set (priv->menu,
"anchor-hints", (GDK_ANCHOR_FLIP_Y |
GDK_ANCHOR_SLIDE |
GDK_ANCHOR_RESIZE),
NULL);
break;
}
gtk_menu_popup_at_widget (GTK_MENU (priv->menu),
GTK_WIDGET (menu_button),
widget_anchor,
menu_anchor,
event);
}