Button that pops out a [ColorPicker]
Encapsulates a [ColorPicker] making it accesible by pressing a button, pressing the button will toggle the [ColorPicker] visibility
See [method ColorPicker.is_edit_alpha]
See [method ColorPicker.set_edit_alpha]
Set new color to ColorRect.

[codeblock] var cr = get_node("colorrect_node") cr.set_frame_color(Color(1, 0, 0, 1)) # Set color rect node to red [/codeblock]
Emitted when the color is changed.