drag & drop demo (GUI)

gui/drag_and_drop/drag_drop_script.gd

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+
+extends ColorPickerButton
+
+# member variables here, example:
+# var a=2
+# var b="textvar"
+func get_drag_data(pos):
+	
+	#use another control 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()
+	
+func can_drop_data(pos, data):
+	return typeof(data)==TYPE_COLOR
+	
+func drop_data(pos, data):
+	set_color(data)
+		
+func _ready():
+	# Initialization here
+	pass
+
+

gui/drag_and_drop/engine.cfg

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+[application]
+
+name="Drag & Drop (GUI)"
+main_scene="res://drag_and_drop.scn"