Widget.connectWindowStateEvent

Connect to WindowStateEvent signal.

The ::window-state-event will be emitted when the state of the toplevel window associated to the widget changes.

To receive this signal the #GdkWindow associated to the widget needs to enable the #GDK_STRUCTURE_MASK mask. GDK will enable this mask automatically for all new windows.

class Widget
gulong
connectWindowStateEvent
(
T
)
(,
Flag!"After" after = No.After
)
if (
isCallable!T &&
is(ReturnType!T == bool)
&&
(
Parameters!T.length < 1 ||
(
ParameterStorageClassTuple!T[0] == ParameterStorageClass.none &&
)
)
&&
(
Parameters!T.length < 2 ||
(
ParameterStorageClassTuple!T[1] == ParameterStorageClass.none &&
is(Parameters!T[1] : gtk.widget.Widget)
)
)
&&
Parameters!T.length < 3
)

Parameters

callback T

signal callback delegate or function to connect

bool callback(gdk.event_window_state.EventWindowState event, gtk.widget.Widget widget)

event the #GdkEventWindowState which triggered this signal. (optional)

widget the instance the signal is connected to (optional)

Returns true to stop other handlers from being invoked for the event. false to propagate the event further.

after Flag!"After"

Yes.After to execute callback after default handler, No.After to execute before (default)

Return Value

Type: gulong

Signal ID