Used for button press and button release events.
The type
field will be one of gdk_button_press,
gdk_2button_press, gdk_3button_press or gdk_button_release,
Double and triple-clicks result in a sequence of events being received. For double-clicks the order of events will be:
Note that the first click is received just like a normal button press, while the second click results in a gdk_2button_press being received just after the gdk_button_press.
Triple-clicks are very similar to double-clicks, except that gdk_3button_press is inserted after the third click. The order of the events is:
For a double click to occur, the second button press must occur within 1/4 of a second of the first. For a triple click to occur, the third button press must also occur within 1/2 second of the first button press.