client(name), client(). Set (get) the WM_CLIENT_MACHINE property. This property is used by window managers under the X window system. It is ignored on other platforms.
To remove the property, set it to an empty string.
colormapwindows(wlist...), colormapwindows(). Set (get) the WM_COLORMAP_WINDOWS property. This property is used by window managers under the X window system. It is ignored on other platforms.
command(value), command(). Set (get) the WM_COMMAND property. This property is used by window managers under the X window system. It is ignored on other platforms.
To remove the property, set it to an empty string.
focusmodel(model), focusmodel(). Set (get) the focus model.
frame(). Return a string containing a system-specific window identifier corresponding to self's outermost parent. For Unix, this is the X window identifier. For Windows, this is the HWND cast to a long integer.
Note that if the window hasn't been reparented by the window manager, this method returns the window identifier corresponding to self.
positionfrom(who), positionfrom(). Set (get) the position controller.
protocol(name, function). Register function as a callback which will be called for the given protocol. The name argument is typically one of BWM_DELETE_WINDOW (the window is about to be deleted), WM_SAVE_YOURSELF (called by X window managers when the application should save a snapshot of its working set) or WM_TAKE_FOCUS (called by X window managers when the application receives focus).
sizefrom(who), sizefrom(). Set (get) the size controller.