// alt+middle lowers the window
blackbox->grabButton(Button2, Mod1Mask, frame.window, True,
ButtonReleaseMask, GrabModeAsync, GrabModeAsync,
// alt+middle lowers the window
blackbox->grabButton(Button2, Mod1Mask, frame.window, True,
ButtonReleaseMask, GrabModeAsync, GrabModeAsync,