Documentation

DropTargetAsync.connectDragEnter

gtk drop_target_async DropTargetAsync

Connect to DragEnter signal.

Emitted on the drop site when the pointer enters the widget.

It can be used to set up custom highlighting.

class DropTargetAsync
ulong
connectDragEnter
(
T
)
(
T callback
,
Flag!"After" after = No.After
)
if (
isCallable!T &&
is(ReturnType!T == gdk.types.DragAction)
&&
(
Parameters!T.length < 1 ||
(
ParameterStorageClassTuple!T[0] == ParameterStorageClass.none &&
is(Parameters!T[0] : gdk.drop.Drop)
)
)
&&
(
Parameters!T.length < 2 ||
(
ParameterStorageClassTuple!T[1] == ParameterStorageClass.none &&
is(Parameters!T[1] == double)
)
)
&&
(
Parameters!T.length < 3 ||
(
ParameterStorageClassTuple!T[2] == ParameterStorageClass.none &&
is(Parameters!T[2] == double)
)
)
&&
(
Parameters!T.length < 4 ||
(
ParameterStorageClassTuple!T[3] == ParameterStorageClass.none &&
is(Parameters!T[3] : gtk.drop_target_async.DropTargetAsync)
)
)
&&
Parameters!T.length < 5
)

Parameters

callback T

signal callback delegate or function to connect

gdk.types.DragAction callback(gdk.drop.Drop drop, double x, double y, gtk.drop_target_async.DropTargetAsync dropTargetAsync)

drop the gdk.drop.Drop (optional)

x the x coordinate of the current pointer position (optional)

y the y coordinate of the current pointer position (optional)

dropTargetAsync the instance the signal is connected to (optional)

Returns Preferred action for this drag operation.

after Flag!"After"

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

Return Value

Type: ulong

Signal ID

gtk drop_target_async DropTargetAsync constructorsfunctions
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