– Control your mouse in python

Automation of user inputs always requires to click several buttons or menus. I personally prefer to use to automate and control my mouse in python. It was posted in a forum entry on stackoverlow

The module as is works great. I did however miss some functionality: Clicking without moving the cursor. I extended to click without moving the cursor. I have noticed that very rarely you still see the cursor moving. This only happens if my computer is rather busy. I remember using PostMessage back in my old AHK days, but unfortunately I can not get it to work.

An other function I included is clicking relative coordinates. I often would rather click coordinates in a window without having to deal with where that window is actually at. On a side note, a great tool for relative coordinates especially with multiple monitors is my module python screen coordinates. It does all the conversion of coordinates and has a hit test to determine what screen you are on.

Do you know of other ways to control your mouse in python? Please share any method you know. I would really like to see a PostMessage example work. I know TableCrab has a working solution, but I didnt get a chance yet to look through all the code.

Here is my extended version of

import win32gui, win32api, win32con, ctypes

class Mouse:
    """It simulates the mouse"""
    MOUSEEVENTF_MOVE = 0x0001 # mouse move
    MOUSEEVENTF_LEFTDOWN = 0x0002 # left button down
    MOUSEEVENTF_LEFTUP = 0x0004 # left button up
    MOUSEEVENTF_RIGHTDOWN = 0x0008 # right button down
    MOUSEEVENTF_RIGHTUP = 0x0010 # right button up
    MOUSEEVENTF_MIDDLEDOWN = 0x0020 # middle button down
    MOUSEEVENTF_MIDDLEUP = 0x0040 # middle button up
    MOUSEEVENTF_WHEEL = 0x0800 # wheel button rolled
    MOUSEEVENTF_ABSOLUTE = 0x8000 # absolute move

    def _do_event(self, flags, x_pos, y_pos, data, extra_info):
        """generate a mouse event"""
        x_calc = 65536L * x_pos / ctypes.windll.user32.GetSystemMetrics(self.SM_CXSCREEN) + 1
        y_calc = 65536L * y_pos / ctypes.windll.user32.GetSystemMetrics(self.SM_CYSCREEN) + 1
        return ctypes.windll.user32.mouse_event(flags, x_calc, y_calc, data, extra_info)

    def _get_button_value(self, button_name, button_up=False):
        """convert the name of the button into the corresponding value"""
        buttons = 0
        if button_name.find("right") >= 0:
            buttons = self.MOUSEEVENTF_RIGHTDOWN
        if button_name.find("left") >= 0:
            buttons = buttons + self.MOUSEEVENTF_LEFTDOWN
        if button_name.find("middle") >= 0:
            buttons = buttons + self.MOUSEEVENTF_MIDDLEDOWN
        if button_up:
            buttons = buttons << 1
        return buttons

    def move_mouse(self, pos):
        """move the mouse to the specified coordinates"""
        (x, y) = pos
        old_pos = self.get_position()
        x =  x if (x != -1) else old_pos[0]
        y =  y if (y != -1) else old_pos[1]
        self._do_event(self.MOUSEEVENTF_MOVE + self.MOUSEEVENTF_ABSOLUTE, x, y, 0, 0)

    def press_button(self, pos=(-1, -1), button_name="left", button_up=False):
        """push a button of the mouse"""
        self._do_event(self.get_button_value(button_name, button_up), 0, 0, 0, 0)

    def click(self, pos=(-1, -1), button_name= "left"):
        """Click at the specified placed"""
##        self.move_mouse(pos)
        self._do_event(self._get_button_value(button_name, False)+self._get_button_value(button_name, True), 0, 0, 0, 0)

    def double_click (self, pos=(-1, -1), button_name="left"):
        """Double click at the specifed placed"""
        for i in xrange(2):
  , button_name)

    def get_position(self):
        """get mouse position"""
        return win32api.GetCursorPos()
#Added functions
    def invisible_click(self,pos=(-1, -1), button_name="left"):
        """Click in specified place without moving mouse"""
        xcur,ycur = win32gui.GetCursorPos()

    def invisible_click_rel(self,handle,pos, button_name="left"):
        """Click in window coordinates without moving mouse"""
        #get window info
        xleft, ytop, xright, ybottom = win32gui.GetWindowRect(handle)

        xcur,ycur = win32gui.GetCursorPos()


if __name__ == '__main__':
##    p = (210,260)
##    print win32gui.GetForegroundWindow()
##    mouse = Mouse()
##    mouse.invisible_click_rel(win32gui.GetForegroundWindow(),p)

I hope it helps you, please let me know about questions. Comments are always welcome!

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