2

I want to detect if ctrl is held down when the user clicks a button. The 'clicked' signal doesn't seem to pass enough information to the callback to work this out.

1 Answer 1

11

If you can connect to either button-press-event or button-release-event instead of clicked, the event passed to the callback can be used to get the modifier state (using get_state) and check if control key is pressed. For ex.

def button_release_callback(widget, event, data=None):
    if event.get_state() &  gtk.gdk.CONTROL_MASK:
        print "Ctrl held"
    else:
        print "Ctrl not held"
...
button.connect("button-release-event", button_release_callback)

Hope this helps!

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