mintmenu/usr/lib/linuxmint/mintMenu/pointerMonitor.py
2017-04-28 12:45:07 +01:00

74 lines
2.4 KiB
Python

#!/usr/bin/python2
import gi
gi.require_version("Gtk", "3.0")
from Xlib.display import Display
from Xlib import X, error
from gi.repository import Gtk, Gdk, GObject, GLib
import threading
class PointerMonitor(GObject.GObject, threading.Thread):
__gsignals__ = {
'activate': (GObject.SignalFlags.RUN_LAST, None, ()),
}
def __init__(self):
GObject.GObject.__init__ (self)
threading.Thread.__init__ (self)
self.setDaemon (True)
self.display = Display()
self.root = self.display.screen().root
self.windows = []
# Receives GDK windows
def addWindowToMonitor(self, window):
self.windows.append(window)
def grabPointer(self):
self.root.grab_button(X.AnyButton, X.AnyModifier, True, X.ButtonPressMask, X.GrabModeSync, X.GrabModeAsync, 0, 0)
self.display.flush()
def ungrabPointer(self):
self.root.ungrab_button(X.AnyButton, X.AnyModifier)
self.display.flush()
def idle(self):
self.emit("activate")
return False
def activate(self):
GLib.idle_add(self.run)
def run(self):
self.running = True
while self.running:
event = self.display.next_event()
try:
if event.type == X.ButtonPress:
# Check if pointer is inside monitored windows
for w in self.windows:
if Gtk.check_version (3, 20, 0) is None:
pdevice = Gdk.Display.get_default().get_default_seat().get_pointer()
else:
pdevice = Gdk.Display.get_default().get_device_manager().get_client_pointer()
p = self.get_window().get_device_position(pdevice)
g = self.get_size()
if p.x >= 0 and p.y >= 0 and p.x <= g.width and p.y <= g.height:
break
else:
# Is outside, so activate
GLib.idle_add(self.idle)
self.display.allow_events(X.ReplayPointer, event.time)
else:
self.display.allow_events(X.ReplayPointer, X.CurrentTime)
except Exception as e:
print "Unexpected error: " + str(e)
def stop(self):
self.running = False
self.root.ungrab_button(X.AnyButton, X.AnyModifier)
self.display.close()