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#!/usr/bin/python3
import gi
gi.require_version('Gtk', '3.0')
gi.require_version('XApp', '1.0')
from gi.repository import Gio, GLib, GObject, Gtk, XApp, Gdk
import os
import sys

DBUS_NAME = "org.x.StatusIcon"
DBUS_PATH = "/org/x/StatusIcon"

class StatusWidget(Gtk.Button):

    def __init__(self, icon):
        super(Gtk.Button, self).__init__()

        self.proxy = icon
        self.name = self.proxy.get_name()
        self.add_events(Gdk.EventMask.SCROLL_MASK)

        box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)

        self.image = Gtk.Image()
        self.label = Gtk.Label()
        box.pack_start(self.image, False, False, 6)
        box.add(self.label)
        self.add(box)

        flags = GObject.BindingFlags.DEFAULT | GObject.BindingFlags.SYNC_CREATE

        self.image.props.icon_size = Gtk.IconSize.DIALOG
        self.set_icon(self.proxy.props.icon_name)

        self.show_all()

        self.proxy.bind_property("label", self.label, "label", flags)
        self.proxy.bind_property("tooltip-text", self, "tooltip-markup", flags)
        self.proxy.bind_property("visible", self, "visible", flags)

        self.proxy.connect("notify::icon-name", self.on_icon_name_changed)

        self.connect("button-press-event", self.on_button_press)
        self.connect("button-release-event", self.on_button_release)
        self.connect("scroll-event", self.on_scroll)

    def on_icon_name_changed(self, proxy, gparamspec, data=None):
        string = self.proxy.props.icon_name

        self.set_icon(string)

    def set_icon(self, string):
        if string:
            if string and os.path.exists(string):
                self.image.set_from_file(string)
            else:
                self.image.set_from_icon_name(string, Gtk.IconSize.DIALOG)
        else:
            self.image.set_from_icon_name("image-missing", Gtk.IconSize.DIALOG)

    def on_button_press(self, widget, event):
        # We're simulating a top panel here
        alloc = widget.get_allocation()
        ignore, x, y = widget.get_window().get_origin()

        x += alloc.x
        y += alloc.y + alloc.height
        time = event.time
        print ("Button press : %d:%d" % (x, y))
        self.proxy.call_button_press_sync(x, y, event.button, event.time, Gtk.PositionType.TOP, None)

    def on_button_release(self, widget, event):
        # We're simulating a top panel here
        alloc = widget.get_allocation()
        ignore, x, y = widget.get_window().get_origin()

        x += alloc.x
        y += alloc.y + alloc.height
        time = event.time
        print ("Button release : %d:%d" % (x, y))
        self.proxy.call_button_release_sync(x, y, event.button, event.time, Gtk.PositionType.TOP, None)

    def on_scroll(self, widget, event):
        has, direction = event.get_scroll_direction()

        x_dir = XApp.ScrollDirection.UP
        delta = 0

        if direction != Gdk.ScrollDirection.SMOOTH:
            x_dir = XApp.ScrollDirection(int(direction))

            if direction == Gdk.ScrollDirection.UP:
                delta = -1
            elif direction == Gdk.ScrollDirection.DOWN:
                delta = 1
            elif direction == Gdk.ScrollDirection.LEFT:
                delta = -1
            elif direction == Gdk.ScrollDirection.RIGHT:
                delta = 1

        print ("Scroll : delta: %d, orientation: %d" % (delta, x_dir))
        self.proxy.call_scroll_sync(delta, x_dir, event.time, None)

class StatusApplet(GObject.Object):

    def __init__(self):
        super(StatusApplet, self).__init__()

        self.window = Gtk.Window()
        self.window.set_accept_focus (False)
        self.window.connect("destroy", self.on_window_destroy)

        self.main_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL,
                                margin=6,
                                spacing=6)
        self.window.add(self.main_box)

        self.disco_button = Gtk.Button()
        self.main_box.pack_start(self.disco_button, False, False, 0)
        self.disco_button.connect("clicked", self.on_disco_button_clicked)

        self.indicator_box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL,
                                     spacing=6)
        self.main_box.pack_start(self.indicator_box, False, False, 0)

        self.indicators = {}

        self.monitor = None
        self.setup_monitor()

        self.window.show_all()

    def on_window_destroy(self, widget, data=None):
        self.destroy_monitor()
        Gtk.main_quit()

    def on_disco_button_clicked(self, widget, data=None):
        if self.monitor == None:
            self.setup_monitor ()
        else:
            self.destroy_monitor()

    def setup_monitor (self):
        self.monitor = XApp.StatusIconMonitor()
        self.monitor.connect("icon-added", self.on_icon_added)
        self.monitor.connect("icon-removed", self.on_icon_removed)

        self.disco_button.set_label("Disconnect monitor")

    def destroy_monitor (self):
        for key in self.indicators.keys():
            self.indicator_box.remove(self.indicators[key])

        self.monitor = None
        self.indicators = {}

        self.disco_button.set_label("Connect monitor")

    def on_icon_added(self, monitor, proxy):
        name = proxy.get_name()

        self.indicators[name] = StatusWidget(proxy)
        self.indicator_box.add(self.indicators[name])

        self.sort_icons()

    def on_icon_removed(self, monitor, proxy):
        name = proxy.get_name()

        self.indicator_box.remove(self.indicators[name])
        del(self.indicators[name])

        self.sort_icons()

    def sort_icons(self, status_icon=None):
        icon_list = list(self.indicators.values())

        # for i in icon_list:
        #     print("before: ", i.proxy.props.icon_name, i.proxy.props.name.lower())

        icon_list.sort(key=lambda icon: icon.proxy.props.name.lower())
        icon_list.sort(key=lambda icon: icon.proxy.props.icon_name.lower().endswith("symbolic"))

        # for i in icon_list:
        #     print("after: ", i.proxy.props.icon_name, i.proxy.props.name.lower())

        icon_list.reverse()

        for icon in icon_list:
            self.indicator_box.reorder_child(icon, 0)

if __name__ == '__main__':
    applet = StatusApplet()
    Gtk.main()
    sys.exit(0)