问题
I'm using the following code to hide and show the mouse cursor:
XDefineCursor( m_display, m_window, show ? None : m_hiddenCursor );
XFlush( m_display );
That works fine. However, when I run this:
XWarpPointer( m_display, None, m_window, 0, 0, 0, 0, x, y );
XFlush( m_display );
The mouse doesn't move at all. Simply nothing happens. SetMousePos, which I'm using for Windows, works fine.
回答1:
It's been a while, but doesn't XWarpPointer make a relative move of the cursor using the passed offsets? It looks like the passed offsets are (0,0) meaning that the cursor wouldn't move. I think the routine you want to use is XMovePointer.
Share and enjoy.
来源：https://stackoverflow.com/questions/4155282/moving-the-mouse-pointer-in-c-fails-on-linux