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extends ColorPickerButton
#virtual function
func get_drag_data(pos):
#use another colorpicker as drag preview
var cpb = ColorPickerButton.new()
cpb.set_color( get_color() )
cpb.set_size(Vector2(50,50))
set_drag_preview(cpb)
#return color as drag data
return get_color()
#virtual function
func can_drop_data(pos, data):
return typeof(data)==TYPE_COLOR
#virtual function
func drop_data(pos, data):
set_color(data)
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