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