def __init__(self, start_from=None):
"""
:param start_from: Overrides the status and makes the init flow
start from this stage.
:type start_from: str
"""
super(MainWindow, self).__init__()
self._ctl = Controller(self, start_from)
self.connect("delete-event", Gtk.main_quit)
self._child = None
self._press_signal_id = None
self._release_signal_id = None
self._emergency_counter = 0
self._to_id_counter = 0
self._timeouts = []
apply_common_to_screen()
apply_styling_to_screen(common_css_path('scene.css'))
apply_styling_to_screen(common_css_path('speech_bubble.css'))
self.set_decorated(False)
screen = Gdk.Screen.get_default()
width = screen.get_width()
height = screen.get_height()
self.set_size_request(width, height + 1)
self.set_position(Gtk.WindowPosition.CENTER)
overlay = Gtk.Overlay()
self._child = Gtk.EventBox()
overlay.add(self._child)
self.add(overlay)
self._container = overlay
self._container.set_halign(Gtk.Align.CENTER)
self._container.set_valign(Gtk.Align.CENTER)
emergency_exit = Gtk.EventBox()
emergency_exit.set_halign(Gtk.Align.START)
emergency_exit.set_valign(Gtk.Align.START)
emergency_exit.set_size_request(20, 20)
emergency_exit.connect('button-release-event', self._emergency_exit_cb)
overlay.add_overlay(emergency_exit)
self.connect('key-release-event', self._key_emergency_exit)
self.connect('key-release-event', self._key_skip_stage)
if start_from:
debug_button = Gtk.EventBox()
debug_button.add(Gtk.Label('Close'))
debug_button.set_halign(Gtk.Align.END)
debug_button.set_valign(Gtk.Align.START)
debug_button.connect('button-release-event', Gtk.main_quit)
overlay.add_overlay(debug_button)
class MainWindow(Gtk.Window):
"""
Manages the full-screen top level window of the application.
"""
EMERGENCY_EXIT_CLICKS = 5
def __init__(self, start_from=None):
"""
:param start_from: Overrides the status and makes the init flow
start from this stage.
:type start_from: str
"""
super(MainWindow, self).__init__()
self._ctl = Controller(self, start_from)
self.connect("delete-event", Gtk.main_quit)
self._child = None
self._press_signal_id = None
self._release_signal_id = None
self._emergency_counter = 0
self._to_id_counter = 0
self._timeouts = []
apply_common_to_screen()
apply_styling_to_screen(common_css_path('scene.css'))
apply_styling_to_screen(common_css_path('speech_bubble.css'))
self.set_decorated(False)
screen = Gdk.Screen.get_default()
width = screen.get_width()
height = screen.get_height()
self.set_size_request(width, height + 1)
self.set_position(Gtk.WindowPosition.CENTER)
overlay = Gtk.Overlay()
self._child = Gtk.EventBox()
overlay.add(self._child)
self.add(overlay)
self._container = overlay
self._container.set_halign(Gtk.Align.CENTER)
self._container.set_valign(Gtk.Align.CENTER)
emergency_exit = Gtk.EventBox()
emergency_exit.set_halign(Gtk.Align.START)
emergency_exit.set_valign(Gtk.Align.START)
emergency_exit.set_size_request(20, 20)
emergency_exit.connect('button-release-event', self._emergency_exit_cb)
overlay.add_overlay(emergency_exit)
self.connect('key-release-event', self._key_emergency_exit)
self.connect('key-release-event', self._key_skip_stage)
if start_from:
debug_button = Gtk.EventBox()
debug_button.add(Gtk.Label('Close'))
debug_button.set_halign(Gtk.Align.END)
debug_button.set_valign(Gtk.Align.START)
debug_button.connect('button-release-event', Gtk.main_quit)
overlay.add_overlay(debug_button)
def _key_emergency_exit(self, widget, event):
if (hasattr(event, 'keyval') and
event.keyval in [Gdk.KEY_Q, Gdk.KEY_q] and
event.state & Gdk.ModifierType.SHIFT_MASK and
event.state & Gdk.ModifierType.CONTROL_MASK):
self._emergency_exit_cb(widget)
return False
def _key_skip_stage(self, widget, event):
if (hasattr(event, 'keyval') and
event.keyval in [Gdk.KEY_N, Gdk.KEY_n] and
event.state & Gdk.ModifierType.SHIFT_MASK and
event.state & Gdk.ModifierType.CONTROL_MASK):
self._ctl.next_stage()
return False
def _emergency_exit_cb(self, widget, data=None):
self._emergency_counter += 1
msg = "Emergency button pressed {}x".format(self._emergency_counter)
logger.warn(msg)
if self._emergency_counter >= self.EMERGENCY_EXIT_CLICKS:
logger.warn("Emergency exiting the init flow")
self._ctl.complete()
Gtk.main_quit()
@property
def return_value(self):
return self._ctl.return_value
def prepare_first_stage(self):
return self._ctl.first_stage()
def push(self, child):
GLib.idle_add(self._do_push, child)
def schedule_event(self, event):
# The callback must always return False not to be rescheduled.
# This wrapper makes sure of that.
self._to_id_counter += 1
t_id = self._to_id_counter
def __wrapper1():
def __wrapper2():
if t_id in self._timeouts:
event['callback'](*event['args'])
idx = self._timeouts.index(t_id)
del self._timeouts[idx]
return False
GLib.idle_add(__wrapper2)
GLib.timeout_add_seconds(event['delay'], __wrapper1)
self._timeouts.append(t_id)
def set_key_events_handlers(self, press=None, release=None):
if self._press_signal_id:
GObject.signal_handler_disconnect(self, self._press_signal_id)
self._press_signal_id = None
if self._release_signal_id:
GObject.signal_handler_disconnect(self, self._release_signal_id)
self._release_signal_id = None
if press:
self._press_signal_id = self.connect('key-press-event', press)
if release:
self._release_signal_id = self.connect('key-release-event',
release)
def _do_push(self, child):
# Cleans up any pending scheduled events
for i, src in enumerate(self._timeouts):
del self._timeouts[i]
#print GLib.source_remove_by_funcs_user_data(src.source_funcs,
# src.callback_data)
#src.destroy()
#if not src.is_destroyed():
# GLib.source_remove(src.get_id())
if issubclass(child.__class__, Scene):
for event in child.scheduled_events:
self.schedule_event(event)
child.set_active()
child = child.widget
if self._child:
self._container.remove(self._child)
self._child.destroy()
self._child = child
self._container.add(child)
child.show_all()
return False
