diff options
Diffstat (limited to 'doc')
-rw-r--r-- | doc/classes/Control.xml | 66 |
1 files changed, 6 insertions, 60 deletions
diff --git a/doc/classes/Control.xml b/doc/classes/Control.xml index b9f3275dfe..08964cf21d 100644 --- a/doc/classes/Control.xml +++ b/doc/classes/Control.xml @@ -780,67 +780,13 @@ </method> <method name="set_drag_forwarding"> <return type="void" /> - <param index="0" name="target" type="Object" /> + <param index="0" name="drag_func" type="Callable" /> + <param index="1" name="can_drop_func" type="Callable" /> + <param index="2" name="drop_func" type="Callable" /> <description> - Forwards the handling of this control's drag and drop to [param target] object. - Forwarding can be implemented in the target object similar to the methods [method _get_drag_data], [method _can_drop_data], and [method _drop_data] but with two differences: - 1. The function name must be suffixed with [b]_fw[/b] - 2. The function must take an extra argument that is the control doing the forwarding - [codeblocks] - [gdscript] - # ThisControl.gd - extends Control - export(Control) var target_control - - func _ready(): - set_drag_forwarding(target_control) - - # TargetControl.gd - extends Control - - func _can_drop_data_fw(position, data, from_control): - return true - - func _drop_data_fw(position, data, from_control): - my_handle_data(data) # Your handler method. - - func _get_drag_data_fw(position, from_control): - set_drag_preview(my_preview) - return my_data() - [/gdscript] - [csharp] - // ThisControl.cs - public class ThisControl : Control - { - [Export] - public Control TargetControl { get; set; } - public override void _Ready() - { - SetDragForwarding(TargetControl); - } - } - - // TargetControl.cs - public class TargetControl : Control - { - public void CanDropDataFw(Vector2 position, object data, Control fromControl) - { - return true; - } - - public void DropDataFw(Vector2 position, object data, Control fromControl) - { - MyHandleData(data); // Your handler method. - } - - public void GetDragDataFw(Vector2 position, Control fromControl) - { - SetDragPreview(MyPreview); - return MyData(); - } - } - [/csharp] - [/codeblocks] + Forwards the handling of this control's [method _get_drag_data], [method _can_drop_data] and [method _drop_data] virtual functions to delegate callables. + For each argument, if not empty, the delegate callable is used, otherwise the local (virtual) function is used. + The function format for each callable should be exactly the same as the virtual functions described above. </description> </method> <method name="set_drag_preview"> |