Hi,
Below is a question from Jan Martinek sent back in 2006. I am trying
to do the same thing, I haven't found anywhere on the web how to do
it.
The summary is I want to catch all mouse and/or keyboard events
anywhere on the screen? I tried what Jan did except assigned w with
w = gtk.gdk.get_default_root_window()
which worked fine, but the
w.connect('motion-notify-event', wakeup)
failed with a message along the lines of 'for gtk.gdk.Window unknown
signal motion-notify-event' (sorry can't remember the exact message,
and i'm away from my desktop).
I can't find what signals are valid for a gtk.gdk.Window. And even if
I could, I still need it to with the 'motion-notify-event'.
Thanks for any clues!
Matt
> Hello,
>
> please, does anyone know how to catch all keyboard and mouse events
> regardless of main window state? If I try this
>
> #!/usr/bin/env python
> import gtk
>
> def wakeup(widget, event):
> print "Event number %d woke me up" % event.type
>
> w = gtk.Window()
>
> w.add_events(gtk.gdk.KEY_PRESS_MASK |
> gtk.gdk.POINTER_MOTION_MASK |
> gtk.gdk.BUTTON_PRESS_MASK |
> gtk.gdk.SCROLL_MASK)
>
> w.connect("motion-notify-event", wakeup)
> w.connect("key-press-event", wakeup)
> w.connect("button-press-event", wakeup)
> w.connect("scroll-event", wakeup)
>
> w.show()
>
> gtk.main()
>
>
> then it responds to keypresses only if the window is active. Mouse events
> are catched only when the cursor is placed within the window.
>
> How can I catch all the events even when the window is
> inactive/minimalized/hidden? Do you know any application that must be able
> to do this? For example
>
> - applets measuring distance travelled by mouse cursor
> - typing-break applications that notify the user that he typed for a long
> period of time a should have a rest.
> - something that monitors user's activity/inactivity (various IM clients?)
> - "xeyes" - eyes that always look at the mouse cursor
> - keyloggers - malicious programs (if there are any) sniffing keystrokes
> (mainly passwords) and logging them into a file.
> - ???
>
> I am looking for something written in pure GTK (no direct xlib calls) so
> that I could learn from the source code.
>
> Thank you
> Jan Martinek
>
>
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