ColorButton.with_rgba
Description:
[ CCode ( has_construct_function = false ,  type = "GtkWidget*" ) ]
public ColorButton.with_rgba (RGBA rgba)
  public ColorButton.with_rgba (RGBA rgba)
Creates a new color button showing the given color.
Parameters:
| rgba | A `GdkRGBA` to set the current color with | 
Returns:
| a new color button |