Signal

GtkWidget::hierarchy-changed

Declaration

void
hierarchy_changed (
  GtkWidget* self,
  GtkWidget* previous_toplevel,
  gpointer user_data
)

Description [src]

The ::hierarchy-changed signal is emitted when the anchored state of a widget changes. A widget is “anchored” when its toplevel ancestor is a GtkWindow. This signal is emitted when a widget changes from un-anchored to anchored or vice-versa.

Default handler:

The default handler is called after the handlers added via g_signal_connect().

Parameters

`previous_toplevel`	`GtkWidget`
	The previous toplevel ancestor, or `NULL` if the widget was previously unanchored.
	The argument can be `NULL`.
	The data is owned by the caller of the function.