#!/usr/bin/env python3
# Popover dialog on mouse position
import gi
import cairo
gi.require_version('Gtk', '3.0')
gi.require_version('Gdk', '3.0')
from gi.repository import Gtk, Gdk

class Popover(Gtk.Window):
    def __init__(self):
        Gtk.Window.__init__(self, Gtk.WindowType.TOPLEVEL)
        self.set_title("Popover")
        self.set_default_size(190, 75)
        self.connect("destroy", Gtk.main_quit)

        self.screen = self.get_screen()
        self.visual = self.screen.get_rgba_visual()
        if self.visual != None and self.screen.is_composited():
            print ("Composited")
            self.set_visual(self.visual)
        self.set_app_paintable(True)
        self.connect("draw", self.area_draw)

        box = Gtk.Box()
        box.set_spacing(5)
        box.set_orientation(Gtk.Orientation.VERTICAL)
        self.add(box)

        self.popover = Gtk.Popover()
        self.popover.set_position(Gtk.PositionType.TOP)
        self.popover.set_relative_to(box)

        box = Gtk.Box()
        box.set_spacing(5)
        box.set_orientation(Gtk.Orientation.VERTICAL)

        self.popover.add(box)

        button = Gtk.Button("Close")
        button.connect("button-press-event", Gtk.main_quit)

        label = Gtk.Label("Click this to close")
        box.add(button)

        checkbutton = Gtk.CheckButton("A CheckButton widget")
        box.add(checkbutton)
        self.popover.show_all()

    def area_draw(self, widget, cr):
        cr.set_source_rgba(0, 0, 0, 0)
        cr.set_operator(cairo.OPERATOR_SOURCE)
        cr.paint()
        cr.set_operator(cairo.OPERATOR_OVER)

w2 = Popover()
w2.add_events(Gdk.EventMask.BUTTON_PRESS_MASK)
w2.connect("button-press-event", Gtk.main_quit)

w2.connect("destroy", Gtk.main_quit)
w2.connect("focus-out-event", Gtk.main_quit)
w2.set_position(Gtk.WindowPosition.MOUSE)
w2.set_decorated(False)
w2.set_skip_taskbar_hint(True)

w2.show()

Gtk.main()