Python Xlib.X.KeyRelease() Examples

def handle_event(self, event):

        # KeyPress event
        if event.type == X.KeyPress:
            keyname = xrobot.get_keyname(event)
            self.keyPressed.emit(keyname)

        # KeyRelease event
        elif event.type == X.KeyRelease:
            keyname = xrobot.get_keyname(event)
            self.keyReleased.emit(keyname)

        # ButtonPress event
        elif event.type == X.ButtonPress:
            self.buttonPressed.emit(event.root_x, event.root_y, event.time)

        # ButtonRelease event
        elif event.type == X.ButtonRelease:
            self.buttonReleased.emit(event.root_x, event.root_y, event.time)

        # MotionNotify event
        elif event.type == X.MotionNotify:
            self.cursorPositionChanged.emit(event.root_x, event.root_y) 

def listen(self):
        self.grab()
        while True:
            evt = self.disp.next_event()
            if evt.type in [X.KeyPress, X.KeyRelease]:
                keycode = evt.detail
                keysym = self.disp.keycode_to_keysym(keycode, 0)
                char = XK.keysym_to_string(keysym)
                self.disp.allow_events(X.ReplayKeyboard, X.CurrentTime)

                self.mode(self, evt, char)

            if evt.type == X.DestroyNotify:
                if evt.window.id == self.id:
                    self.ungrab()
                    return 

def normal_mode(self, event, char):
    events.append(event)

    if event.type == X.KeyPress and char:
        pressed.add(event_to_string(self, event))
        return 

    if event.type != X.KeyRelease:
        return 

    handled = False
    if len(pressed) > 1:
        paste_style(self, pressed)
        handled = True
    elif len(pressed) == 1:
        # Get the only element in pressed
        ev = next(iter(pressed))
        handled = handle_single_key(self, ev)
        
    # replay events to Inkscape if we couldn't handle them
    if not handled:
        replay(self)

    events.clear()
    pressed.clear() 

def key_up(self, key):
        """Performs a keyboard key release (without the press down beforehand).

        :param key: The key to be released up. The valid names are listed in Key Class
        :return: None.
        """
        if isinstance(key, Key) or isinstance(key, KeyModifier):
            key = key.value.x11key

        if self.keyboard_mapping(key) is None:
            return

        if isinstance(key, int):
            key_code = key
        else:
            key_code = self.keyboard_mapping(key)

        fake_input(self.display, X.KeyRelease, key_code)
        self.display.sync() 

def paste_mode(type_, self, event, char):
    print('paste mode')
    if event.state & X.ControlMask:
        # there are modifiers
        # eg. X.ControlMask
        # ~or X.ShiftMask~
        return

    if not char:
        return

    if event.type != X.KeyRelease:
        return

    if char == 'Escape':
        if len(pressed) == 0:
            return back_to_normal(self)
        else:
            pressed.clear()
    else:
        pressed.append(char)
        return check(type_, self, ''.join(pressed)) 

def __sendKeyReleaseEvent(self, keyCode, modifiers, theWindow=None):
        if theWindow is None:
            focus = self.localDisplay.get_input_focus().focus
        else:
            focus = theWindow
        keyEvent = event.KeyRelease(
                                  detail=keyCode,
                                  time=X.CurrentTime,
                                  root=self.rootWindow,
                                  window=focus,
                                  child=X.NONE,
                                  root_x=1,
                                  root_y=1,
                                  event_x=1,
                                  event_y=1,
                                  state=modifiers,
                                  same_screen=1
                                  )
        focus.send_event(keyEvent) 

def makekeyhookevent(self, keysym, event):
        storewm = self.xwindowinfo()
        if event.type == X.KeyPress:
            MessageName = "key down"
        elif event.type == X.KeyRelease:
            MessageName = "key up"
        return pyxhookkeyevent(
            storewm["handle"],
            storewm["name"],
            storewm["class"],
            self.lookup_keysym(keysym),
            self.asciivalue(keysym),
            False,
            event.detail,
            MessageName
        ) 

def makekeyhookevent(self, keysym, event):
        storewm = self.xwindowinfo()
        if event.type == X.KeyPress:
            MessageName = "key down"
        elif event.type == X.KeyRelease:
            MessageName = "key up"
        return pyxhookkeyevent(
            storewm["handle"],
            storewm["name"],
            storewm["class"],
            self.lookup_keysym(keysym),
            self.asciivalue(keysym),
            False,
            event.detail,
            MessageName
        ) 

def __processEvent(self, reply):
        if reply.category != record.FromServer:
            return
        if reply.client_swapped:
            return
        if not len(reply.data) or str_or_bytes_to_bytes(reply.data)[0] < 2:
            # not an event
            return

        data = reply.data
        while len(data):
            event, data = rq.EventField(None).parse_binary_value(data, self.recordDisplay.display, None, None)
            if event.type == X.KeyPress:
                self.handle_keypress(event.detail)
            elif event.type == X.KeyRelease:
                self.handle_keyrelease(event.detail)
            elif event.type == X.ButtonPress:
                self.handle_mouseclick(event.detail, event.root_x, event.root_y) 

def run(self):
        # Create a recording context; we only want key and mouse events
        self.ctx = self.recordDisplay.record_create_context(
                0,
                [record.AllClients],
                [{
                        'core_requests': (0, 0),
                        'core_replies': (0, 0),
                        'ext_requests': (0, 0, 0, 0),
                        'ext_replies': (0, 0, 0, 0),
                        'delivered_events': (0, 0),
                        'device_events': (X.KeyPress, X.ButtonPress), #X.KeyRelease,
                        'errors': (0, 0),
                        'client_started': False,
                        'client_died': False,
                }])

        # Enable the context; this only returns after a call to record_disable_context,
        # while calling the callback function in the meantime
        logger.info("XRecord interface thread starting")
        self.recordDisplay.record_enable_context(self.ctx, self.__processEvent)
        # Finally free the context
        self.recordDisplay.record_free_context(self.ctx)
        self.recordDisplay.close() 

def record_callback(reply):
    if reply.category != record.FromServer:
        return
    if reply.client_swapped:
        print("* received swapped protocol data, cowardly ignored")
        return
    if not len(reply.data) or reply.data[0] < 2:
        # not an event
        return

    data = reply.data
    while len(data):
        event, data = rq.EventField(None).parse_binary_value(data, record_dpy.display, None, None)

        if event.type in [X.KeyPress, X.KeyRelease]:
            pr = event.type == X.KeyPress and "Press" or "Release"

            keysym = local_dpy.keycode_to_keysym(event.detail, 0)
            if not keysym:
                print("KeyCode%s" % pr, event.detail)
            else:
                print("KeyStr%s" % pr, lookup_keysym(keysym))

            if event.type == X.KeyPress and keysym == XK.XK_Escape:
                local_dpy.record_disable_context(ctx)
                local_dpy.flush()
                return
        elif event.type == X.ButtonPress:
            print("ButtonPress", event.detail)
        elif event.type == X.ButtonRelease:
            print("ButtonRelease", event.detail)
        elif event.type == X.MotionNotify:
            print("MotionNotify", event.root_x, event.root_y)


# Check if the extension is present 

def makekeyhookevent(self, keysym, event):
        storewm = self.xwindowinfo()
        if event.type == X.KeyPress:
            MessageName = "key down"
        elif event.type == X.KeyRelease:
            MessageName = "key up"
        return pyxhookkeyevent(storewm["handle"], storewm["name"], storewm["class"], self.lookup_keysym(keysym), self.asciivalue(keysym), False, event.detail, MessageName) 

def __fakeKeypress(self, keyName):        
        keyCode = self.__lookupKeyCode(keyName)
        xtest.fake_input(self.rootWindow, X.KeyPress, keyCode)
        xtest.fake_input(self.rootWindow, X.KeyRelease, keyCode) 

def __fakeKeyup(self, keyName):
        keyCode = self.__lookupKeyCode(keyName)
        xtest.fake_input(self.rootWindow, X.KeyRelease, keyCode) 

def processevents(self, reply):
        if reply.category != record.FromServer:
            return
        if reply.client_swapped:
            print "* received swapped protocol data, cowardly ignored"
            return
        if not len(reply.data) or ord(reply.data[0]) < 2:
            # not an event
            return
        data = reply.data
        while len(data):
            event, data = rq.EventField(None).parse_binary_value(data, self.record_dpy.display, None, None)
            if event.type == X.KeyPress:
                hookevent = self.keypressevent(event)
                self.KeyDown(hookevent)
            elif event.type == X.KeyRelease:
                hookevent = self.keyreleaseevent(event)
                self.KeyUp(hookevent)
            elif event.type == X.ButtonPress:
                hookevent = self.buttonpressevent(event)
                self.MouseAllButtonsDown(hookevent)
            elif event.type == X.ButtonRelease:
                hookevent = self.buttonreleaseevent(event)
                self.MouseAllButtonsUp(hookevent)
            elif event.type == X.MotionNotify:
                # use mouse moves to record mouse position, since press and release events
                # do not give mouse position info (event.root_x and event.root_y have 
                # bogus info).
                self.mousemoveevent(event)
        
        #print "processing events...", event.type 

def makekeyhookevent(self, keysym, event):
        storewm = self.xwindowinfo()
        if event.type == X.KeyPress:
            MessageName = "key down"
        elif event.type == X.KeyRelease:
            MessageName = "key up"
        return pyxhookkeyevent(storewm["handle"], storewm["name"], storewm["class"], self.lookup_keysym(keysym), self.asciivalue(keysym), False, event.detail, MessageName) 

def _keyDown(key):
    """Performs a keyboard key press without the release. This will put that
    key in a held down state.

    NOTE: For some reason, this does not seem to cause key repeats like would
    happen if a keyboard key was held down on a text field.

    Args:
      key (str): The key to be pressed down. The valid names are listed in
      pyautogui.KEY_NAMES.

    Returns:
      None
    """
    if key not in keyboardMapping or keyboardMapping[key] is None:
        return

    if type(key) == int:
        fake_input(_display, X.KeyPress, key)
        _display.sync()
        return

    needsShift = pyautogui.isShiftCharacter(key)
    if needsShift:
        fake_input(_display, X.KeyPress, keyboardMapping['shift'])

    fake_input(_display, X.KeyPress, keyboardMapping[key])

    if needsShift:
        fake_input(_display, X.KeyRelease, keyboardMapping['shift'])
    _display.sync() 

def _keyUp(key):
    """Performs a keyboard key release (without the press down beforehand).

    Args:
      key (str): The key to be released up. The valid names are listed in
      pyautogui.KEY_NAMES.

    Returns:
      None
    """

    """
    Release a given character key. Also works with character keycodes as
    integers, but not keysyms.
    """
    if key not in keyboardMapping or keyboardMapping[key] is None:
        return

    if type(key) == int:
        keycode = key
    else:
        keycode = keyboardMapping[key]

    fake_input(_display, X.KeyRelease, keycode)
    _display.sync()


# Taken from PyKeyboard's ctor function. 

def release_key(code):
    fake_input(dp, X.KeyRelease, code)
    dp.sync() 

def makekeyhookevent(self, keysym, event):
        storewm = self.xwindowinfo()
        if event.type == X.KeyPress:
            MessageName = "key down"
        elif event.type == X.KeyRelease:
            MessageName = "key up"
        return pyxhookkeyevent(storewm["handle"], storewm["name"], storewm["class"], self.lookup_keysym(keysym), self.asciivalue(keysym), False, event.detail, MessageName) 

def processevents(self, reply):
        if reply.category != record.FromServer:
            return
        if reply.client_swapped:
            print("* received swapped protocol data, cowardly ignored")
            return
        if not len(reply.data) or ord(reply.data[0]) < 2:
            # not an event
            return
        data = reply.data
        while len(data):
            event, data = rq.EventField(None).parse_binary_value(data, self.record_dpy.display, None, None)
            if event.type == X.KeyPress:
                hookevent = self.keypressevent(event)
                self.KeyDown(hookevent)
            elif event.type == X.KeyRelease:
                hookevent = self.keyreleaseevent(event)
                self.KeyUp(hookevent)
            elif event.type == X.ButtonPress:
                hookevent = self.buttonpressevent(event)
                self.MouseAllButtonsDown(hookevent)
            elif event.type == X.ButtonRelease:
                hookevent = self.buttonreleaseevent(event)
                self.MouseAllButtonsUp(hookevent)
            elif event.type == X.MotionNotify:
                # use mouse moves to record mouse position, since press and release events
                # do not give mouse position info (event.root_x and event.root_y have
                # bogus info).
                hookevent = self.mousemoveevent(event)
                self.MouseMovement(hookevent)

        #print "processing events...", event.type 

def processevents(self, reply):
        if reply.category != record.FromServer:
            return
        if reply.client_swapped:
            print "* received swapped protocol data, cowardly ignored"
            return
        if not len(reply.data) or ord(reply.data[0]) < 2:
            # not an event
            return
        data = reply.data
        while len(data):
            event, data = rq.EventField(None).parse_binary_value(data, self.record_dpy.display, None, None)
            if event.type == X.KeyPress:
                hookevent = self.keypressevent(event)
                self.KeyDown(hookevent)
            elif event.type == X.KeyRelease:
                hookevent = self.keyreleaseevent(event)
                self.KeyUp(hookevent)
            elif event.type == X.ButtonPress:
                hookevent = self.buttonpressevent(event)
                self.MouseAllButtonsDown(hookevent)
            elif event.type == X.ButtonRelease:
                hookevent = self.buttonreleaseevent(event)
                self.MouseAllButtonsUp(hookevent)
            elif event.type == X.MotionNotify:
                # use mouse moves to record mouse position, since press and release events
                # do not give mouse position info (event.root_x and event.root_y have 
                # bogus info).
                self.mousemoveevent(event)
        
        #print "processing events...", event.type 

def _keyUp(key):
    """Performs a keyboard key release (without the press down beforehand).

    Args:
      key (str): The key to be released up. The valid names are listed in
      pyautogui.KEY_NAMES.

    Returns:
      None
    """

    """
    Release a given character key. Also works with character keycodes as
    integers, but not keysyms.
    """
    if key not in keyboardMapping or keyboardMapping[key] is None:
        return

    if type(key) == int:
        keycode = key
    else:
        keycode = keyboardMapping[key]

    fake_input(_display, X.KeyRelease, keycode)
    _display.sync()


# Taken from PyKeyboard's ctor function. 

def _keyDown(key):
    """Performs a keyboard key press without the release. This will put that
    key in a held down state.

    NOTE: For some reason, this does not seem to cause key repeats like would
    happen if a keyboard key was held down on a text field.

    Args:
      key (str): The key to be pressed down. The valid names are listed in
      pyautogui.KEY_NAMES.

    Returns:
      None
    """
    if key not in keyboardMapping or keyboardMapping[key] is None:
        return

    if type(key) == int:
        fake_input(_display, X.KeyPress, key)
        _display.sync()
        return

    needsShift = pyautogui.isShiftCharacter(key)
    if needsShift:
        fake_input(_display, X.KeyPress, keyboardMapping['shift'])

    fake_input(_display, X.KeyPress, keyboardMapping[key])

    if needsShift:
        fake_input(_display, X.KeyRelease, keyboardMapping['shift'])
    _display.sync() 

def makekeyhookevent(self, keysym, event):
        storewm = self.xwindowinfo()
        if event.type == X.KeyPress:
            MessageName = "key down"
        elif event.type == X.KeyRelease:
            MessageName = "key up"
        return pyxhookkeyevent(storewm["handle"], storewm["name"], storewm["class"], self.lookup_keysym(keysym),
                               self.asciivalue(keysym), False, event.detail, MessageName) 

def processevents(self, reply):
        if reply.category != record.FromServer:
            return
        if reply.client_swapped:
            print "* received swapped protocol data, cowardly ignored"
            return
        if not len(reply.data) or ord(reply.data[0]) < 2:
            # not an event
            return
        data = reply.data
        while len(data):
            event, data = rq.EventField(None).parse_binary_value(data, self.record_dpy.display, None, None)
            if event.type == X.KeyPress:
                hookevent = self.keypressevent(event)
                self.KeyDown(hookevent)
            elif event.type == X.KeyRelease:
                hookevent = self.keyreleaseevent(event)
                self.KeyUp(hookevent)
            elif event.type == X.ButtonPress:
                hookevent = self.buttonpressevent(event)
                self.MouseAllButtonsDown(hookevent)
            elif event.type == X.ButtonRelease:
                hookevent = self.buttonreleaseevent(event)
                self.MouseAllButtonsUp(hookevent)
            elif event.type == X.MotionNotify:
                # use mouse moves to record mouse position, since press and release events
                # do not give mouse position info (event.root_x and event.root_y have 
                # bogus info).
                self.mousemoveevent(event)

                # print "processing events...", event.type 

def _keyUp(key):
    """Performs a keyboard key release (without the press down beforehand).

    Args:
      key (str): The key to be released up. The valid names are listed in
      pyautogui.KEY_NAMES.

    Returns:
      None
    """

    """
    Release a given character key. Also works with character keycodes as
    integers, but not keysyms.
    """
    if key not in keyboardMapping or keyboardMapping[key] is None:
        return

    if type(key) == int:
        keycode = key
    else:
        keycode = keyboardMapping[key]

    fake_input(_display, X.KeyRelease, keycode)
    _display.sync()


# Taken from PyKeyboard's ctor function. 

def _keyDown(key):
    """Performs a keyboard key press without the release. This will put that
    key in a held down state.

    NOTE: For some reason, this does not seem to cause key repeats like would
    happen if a keyboard key was held down on a text field.

    Args:
      key (str): The key to be pressed down. The valid names are listed in
      pyautogui.KEY_NAMES.

    Returns:
      None
    """
    if key not in keyboardMapping or keyboardMapping[key] is None:
        return

    if type(key) == int:
        fake_input(_display, X.KeyPress, key)
        _display.sync()
        return

    needsShift = pyautogui.isShiftCharacter(key)
    if needsShift:
        fake_input(_display, X.KeyPress, keyboardMapping['shift'])

    fake_input(_display, X.KeyPress, keyboardMapping[key])

    if needsShift:
        fake_input(_display, X.KeyRelease, keyboardMapping['shift'])
    _display.sync() 

def makekeyhookevent(self, keysym, event):
        storewm = self.xwindowinfo()
        if event.type == X.KeyPress:
            MessageName = "key down"
        elif event.type == X.KeyRelease:
            MessageName = "key up"
        return pyxhookkeyevent(storewm["handle"], storewm["name"], storewm["class"], self.lookup_keysym(keysym), self.asciivalue(keysym), False, event.detail, MessageName) 

def processevents(self, reply):
        if reply.category != record.FromServer:
            return
        if reply.client_swapped:
            print ("* received swapped protocol data, cowardly ignored")
            return
        if not len(reply.data) or reply.data[0] < 2:
            # not an event
            return
        data = reply.data
        while len(data):
            event, data = rq.EventField(None).parse_binary_value(data, self.record_dpy.display, None, None)
            if event.type == X.KeyPress:
                hookevent = self.keypressevent(event)
                self.KeyDown(hookevent)
            elif event.type == X.KeyRelease:
                hookevent = self.keyreleaseevent(event)
                self.KeyUp(hookevent)
            elif event.type == X.ButtonPress:
                hookevent = self.buttonpressevent(event)
                self.MouseAllButtonsDown(hookevent)
            elif event.type == X.ButtonRelease:
                hookevent = self.buttonreleaseevent(event)
                self.MouseAllButtonsUp(hookevent)
            elif event.type == X.MotionNotify:
                # use mouse moves to record mouse position, since press and release events
                # do not give mouse position info (event.root_x and event.root_y have 
                # bogus info).
                self.mousemoveevent(event)
        
        #print "processing events...", event.type