Completely untested first refactor

#!/usr/bin/env python

'''
Porting This http://sourceforge.net/projects/camdesk/?source=dlp (cool app from Mike, give him the money) following https://wiki.ubuntu.com/Novacut/GStreamer1.0

Many things are not yet working. Broken: -video appears in new window ~ -no settings window yet

What has been done:

Changes folowing the porting guide
All indents are using four spaces even on line breaks (or python3 complains)
What needs to be done:

somehow connect the video to widget
settings window is broke, debug and fix
anything else
look for and implement new stuff (talk to creator?)
'''

import sys, os
import gi
gi.require_version('Gst', '1.0')
from gi.repository import GObject, Gst, Gtk, Gdk
GObject.threads_init()
Gst.init(None)

class CamDesk(Gtk.Window):
    '''
    The base CamDesk class
    '''

    def __init__(self):
        '''
        Case switch in python FTW
        '''
        super(CamDesk, self).__init__()

        self.set_position(Gtk.WindowPosition.CENTER)
        self.set_title("CamDesk")
        self.set_decorated(False)
        #self.set_has_frame(False)
        self.set_size_request(320, 240)
        self.set_resizable(False)
        self.set_keep_above(True)
        self.set_property('skip-taskbar-hint', True)
        #Gtk.Window_set_default_icon_from_file('logo.png')
        self.connect("destroy", Gtk.main_quit, "WM destroy")
        self.connect("key-press-event", self.closeme)
        self.connect("key-press-event", self.startme)
        self.connect("key-press-event", self.stopme)
        self.connect("key-press-event", self.properties)

        vbox = Gtk.VBox(False, 0)
        self.add(vbox)

        self.movie_window = Gtk.DrawingArea()
        vbox.add(self.movie_window)
        self.show_all()

        # Set up the Gstreamer pipeline
        self.player = Gst.parse_launch ("v4l2src ! autovideosink")

        bus = self.player.get_bus()
        bus.add_signal_watch()
        bus.enable_sync_message_emission()
        bus.connect("message", self.on_message)
        bus.connect("sync-message::element", self.on_sync_message)

        self.widget = None
        self.event = None
        self.on_keypress_dict = {
            Gdk.KEY_Escape : Gtk.main_quit(),
            Gdk.KEY_F1 : self.player.set_state(Gst.State.PLAYING),
            Gdk.KEY_F2 : self.player.set_state(Gst.State.NULL),
            Gdk.KEY_F5 : self.properties()

        }

    def on_keypress(self, widget, event):
        '''
        A case switch statement to eliminate the
        five checks kludginess
        '''
        self.widget = widget
        self.event = event
        self.on_keypress[event.keyval]

    def properties(self, widget, event) :
        self.win = Gtk.Window(Gtk.Window.TOPLEVEL)
        self.win.set_title("Properties")
        self.win.set_size_request(320, 120)
        self.win.set_resizable(False)
        self.win.set_keep_above(True)
        self.win.set_property('skip-taskbar-hint', True)
        self.win.connect("destroy", self.closeproperties)
        vbox = Gtk.VBox(spacing=4)
        hbox = Gtk.HBox(spacing=4)
        hbox2 = Gtk.HBox(spacing=4)
        check = Gtk.CheckButton("Pin")
        check.set_active(True)
        check.set_size_request(100, 35)
        check.connect("clicked", self.pinning)
        hbox.pack_start(check)
        scale = Gtk.HScale()
        scale.set_range(0, 100)
        scale.set_value(100)
        scale.set_size_request(320, 35)
        scale.connect("value-changed", self.opac_slider)
        hbox.pack_start(scale)
        self.entry = Gtk.Entry()
        self.entry2 = Gtk.Entry()
        self.entry.set_text("width")
        self.entry2.set_text("height")
        hbox2.pack_start(self.entry)
        hbox2.pack_start(self.entry2)
        hbox3 = Gtk.HBox(spacing=4)
        ok = Gtk.Button("OK")
        ok.connect("clicked", self.change_size)
        hbox3.pack_start(ok)
        exit = Gtk.Button("Exit")
        exit.connect("clicked", self.closeproperties)
        hbox3.pack_start(exit)
        vbox.pack_start(hbox)
        vbox.pack_start(hbox2)
        vbox.pack_start(hbox3)
        self.win.add(vbox)
        self.win.show_all()

    def pinning(self, checkbox):
        if checkbox.get_active():
            self.set_keep_above(True)
        else:
            self.set_keep_above(False)

    def opac_slider(self, w):
        self.set_opacity(w.get_value()/100.0)

    def change_size(self, w):
        width = int(self.entry.get_text())
        height = int(self.entry2.get_text())
        self.set_size_request(width,height)

    def closeproperties(self, w):
        self.win.hide()

    def on_message(self, bus, message):
        t = message.type
        if t == Gst.Message.EOS:
            self.player.set_state(Gst.State_NULL)
            self.startcam.set_label("Start")
        elif t == Gst.Message.ERROR:
            err, debug = message.parse_error()
        print("Error: %s" % err, debug)
        self.player.set_state(Gst.State_NULL)
        self.startcam.set_label("Start")

    def on_sync_message(self, bus, message):
        if message.structure is None:
            return
            message_name = message.structure.get_name()
        if message_name == "prepare-window-handle":
    # Assign the viewport
            self.moviewindow.imagesink = message.src
            self.moviewindow.imagesink.set_property("force-aspect-ratio", True)
            self.moviewindow.imagesink.set_window_handle(self.movie_window.window.xid)

CamDesk()
#Gtk.gdk.threads_init()
Gtk.main()