Dock.connectAdoptWidget

Connect to AdoptWidget signal.

Signal is emitted when a widget is requesting to be added via a drag-n-drop event.

This is generally propagated via #PanelFrame::adopt-widget to the dock so that applications do not need to attach signal handlers to every #PanelFrame.

class Dock

ulong

connectAdoptWidget

(

)

(

T callback

Flag!"After" after = No.After

)

if (

isCallable!T &&

is(ReturnType!T == bool)

(

Parameters!T.length < 1 ||

(

ParameterStorageClassTuple!T[0] == ParameterStorageClass.none &&

is(Parameters!T[0] : panel.widget.Widget)

)

(

Parameters!T.length < 2 ||

(

ParameterStorageClassTuple!T[1] == ParameterStorageClass.none &&

is(Parameters!T[1] : panel.dock.Dock)

)

Parameters!T.length < 3

)

Parameters

callback T: signal callback delegate or function to connect
bool callback(panel.widget.Widget widget, panel.dock.Dock dock)
widget a #PanelWidget (optional)
dock the instance the signal is connected to (optional)
Returns GDK_EVENT_STOP to prevent dropping, otherwise GDK_EVENT_PROPAGATE to allow adopting the widget.
after Flag!"After": Yes.After to execute callback after default handler, No.After to execute before (default)

Return Value

Type: ulong

Signal ID