client.py 文件源码

def enum_display_monitors(self, screen=-1):
        ''' Get positions of one or more monitors.
            Returns a dict with minimal requirements.
        '''

        if screen == -1:
            SM_XVIRTUALSCREEN, SM_YVIRTUALSCREEN = 76, 77
            SM_CXVIRTUALSCREEN, SM_CYVIRTUALSCREEN = 78, 79
            left = windll.user32.GetSystemMetrics(SM_XVIRTUALSCREEN)
            right = windll.user32.GetSystemMetrics(SM_CXVIRTUALSCREEN)
            top = windll.user32.GetSystemMetrics(SM_YVIRTUALSCREEN)
            bottom = windll.user32.GetSystemMetrics(SM_CYVIRTUALSCREEN)
            yield ({
                b'left': int(left),
                b'top': int(top),
                b'width': int(right - left),
                b'height': int(bottom - top)
            })
        else:

            def _callback(monitor, dc, rect, data):
                ''' Callback for MONITORENUMPROC() function, it will return
                    a RECT with appropriate values.
                '''
                rct = rect.contents
                monitors.append({
                    b'left': int(rct.left),
                    b'top': int(rct.top),
                    b'width': int(rct.right - rct.left),
                    b'height': int(rct.bottom - rct.top)
                })
                return 1

            monitors = []
            callback = self.MONITORENUMPROC(_callback)
            windll.user32.EnumDisplayMonitors(0, 0, callback, 0)
            for mon in monitors:
                yield mon