#!/usr/bin/env python

# A translucent window that passes events through.

# To see this under openbox, run xcompmgr -c -t-6 -l-6 -o.2 &

# or whatever compositor you prefer.

# Copyright 2017 by Akkana Peck, share and enjoy under the GPLv2 or later.

import cairo

import gtk

from imageviewer import ImageViewerWindow

import sys

import os

import math

class TransImageViewerWindow(ImageViewerWindow):

def __init__(self, file_list=None, width=1024, height=768):

super(TransImageViewerWindow, self).__init__(file_list, width, height)

self.connect("configure-event", self.expose)

self.connect("key-press-event", self.key_press_event)

self.set_opacity(.5)

def expose(self, widget, event):

# Set our shape mask, so mouse events pass through

# to the window underneath.

if self.is_composited():

region = gtk.gdk.region_rectangle(gtk.gdk.Rectangle(0, 0, 1, 1))

self.window.input_shape_combine_region(region, 0, 0)

else:

print "Not composited"

def key_press_event(self, widget, event):

'''Handle a key press event anywhere in the window'''

if event.string == " ":

imagewin.next_image()

return

if event.string == "q":

gtk.main_quit()

return

if __name__ == '__main__':

win = TransImageViewerWindow(sys.argv[1:])

win.run()