@param wid the window to query
@param x_ret pointer to int where the X location is stored. If NULL, X is
ignored.
@param y_ret pointer to int where the Y location is stored. If NULL, X is
ignored.
@param screen_ret Pointer to Screen* where the Screen* the window on is
stored. If NULL, this parameter is ignored.
Get a window's location.
@param wid the window to query @param x_ret pointer to int where the X location is stored. If NULL, X is ignored. @param y_ret pointer to int where the Y location is stored. If NULL, X is ignored. @param screen_ret Pointer to Screen* where the Screen* the window on is stored. If NULL, this parameter is ignored.