# Copyright (C) 2007, Red Hat, Inc. # Copyright (C) 2009, Aleksey Lim, Sayamindu Dasgupta # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the # Free Software Foundation, Inc., 59 Temple Place - Suite 330, # Boston, MA 02111-1307, USA. """ STABLE. """ import gobject import gtk import warnings from sugar.graphics.icon import Icon from sugar.tutorius.overlayer import Overlayer _UNFULLSCREEN_BUTTON_VISIBILITY_TIMEOUT = 2 class UnfullscreenButton(gtk.Window): def __init__(self): gtk.Window.__init__(self) self.set_decorated(False) self.set_resizable(False) self.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG) self.set_border_width(0) self.props.accept_focus = False #Setup estimate of width, height w, h = gtk.icon_size_lookup(gtk.ICON_SIZE_LARGE_TOOLBAR) self._width = w self._height = h self.connect('size-request', self._size_request_cb) screen = self.get_screen() screen.connect('size-changed', self._screen_size_changed_cb) self._button = gtk.Button() self._button.set_relief(gtk.RELIEF_NONE) self._icon = Icon(icon_name='view-return', icon_size=gtk.ICON_SIZE_LARGE_TOOLBAR) self._icon.show() self._button.add(self._icon) self._button.show() self.add(self._button) def connect_button_press(self, cb): self._button.connect('button-press-event', cb) def _reposition(self): x = gtk.gdk.screen_width() - self._width self.move(x, 0) def _size_request_cb(self, widget, req): self._width = req.width self._height = req.height self._reposition() def _screen_size_changed_cb(self, screen): self._reposition() class Window(gtk.Window): def __init__(self, **args): self._enable_fullscreen_mode = True gtk.Window.__init__(self, **args) self.connect('realize', self.__window_realize_cb) self.connect('window-state-event', self.__window_state_event_cb) self.connect('key-press-event', self.__key_press_cb) self._toolbar_box = None self._alerts = [] self._canvas = None self.tray = None self._vbox = gtk.VBox() self._hbox = gtk.HBox() self._vbox.pack_start(self._hbox) self._hbox.show() self._event_box = gtk.EventBox() self._hbox.pack_start(self._event_box) self._event_box.show() self._event_box.add_events(gtk.gdk.POINTER_MOTION_HINT_MASK | gtk.gdk.POINTER_MOTION_MASK) self._event_box.connect('motion-notify-event', self.__motion_notify_cb) self.add(self._vbox) self._vbox.show() self._overlayer = Overlayer(self._vbox) self.add(self._overlayer) self._overlayer.show() self._is_fullscreen = False self._unfullscreen_button = UnfullscreenButton() self._unfullscreen_button.set_transient_for(self) self._unfullscreen_button.connect_button_press( self.__unfullscreen_button_pressed) self._unfullscreen_button_timeout_id = None def set_canvas(self, canvas): if self._canvas: self._event_box.remove(self._canvas) if canvas: self._event_box.add(canvas) self._canvas = canvas def get_canvas(self): return self._canvas canvas = property(get_canvas, set_canvas) def get_toolbar_box(self): return self._toolbar_box def set_toolbar_box(self, toolbar_box): if self._toolbar_box: self._vbox.remove(self._toolbar_box) self._vbox.pack_start(toolbar_box, False) self._vbox.reorder_child(toolbar_box, 0) self._toolbar_box = toolbar_box toolbar_box = property(get_toolbar_box, set_toolbar_box) def set_tray(self, tray, position): if self.tray: box = self.tray.get_parent() box.remove(self.tray) if position == gtk.POS_LEFT: self._hbox.pack_start(tray, False) elif position == gtk.POS_RIGHT: self._hbox.pack_end(tray, False) elif position == gtk.POS_BOTTOM: self._vbox.pack_end(tray, False) self.tray = tray def add_alert(self, alert): self._alerts.append(alert) if len(self._alerts) == 1: self._vbox.pack_start(alert, False) if self._toolbar_box is not None: self._vbox.reorder_child(alert, 1) else: self._vbox.reorder_child(alert, 0) def remove_alert(self, alert): if alert in self._alerts: self._alerts.remove(alert) # if the alert is the visible one on top of the queue if alert.get_parent() is not None: self._vbox.remove(alert) if len(self._alerts) >= 1: self._vbox.pack_start(self._alerts[0], False) if self._toolbar_box is not None: self._vbox.reorder_child(self._alerts[0], 1) else: self._vbox.reorder_child(self._alert[0], 0) def __window_realize_cb(self, window): group = gtk.Window() group.realize() window.window.set_group(group.window) def __window_state_event_cb(self, window, event): if not (event.changed_mask & gtk.gdk.WINDOW_STATE_FULLSCREEN): return False if event.new_window_state & gtk.gdk.WINDOW_STATE_FULLSCREEN: if self._toolbar_box is not None: self._toolbar_box.hide() if self.tray is not None: self.tray.hide() self._is_fullscreen = True if self.props.enable_fullscreen_mode: self._unfullscreen_button.show() if self._unfullscreen_button_timeout_id is not None: gobject.source_remove(self._unfullscreen_button_timeout_id) self._unfullscreen_button_timeout_id = None self._unfullscreen_button_timeout_id = \ gobject.timeout_add_seconds( \ _UNFULLSCREEN_BUTTON_VISIBILITY_TIMEOUT, \ self.__unfullscreen_button_timeout_cb) else: if self._toolbar_box is not None: self._toolbar_box.show() if self.tray is not None: self.tray.show() self._is_fullscreen = False if self.props.enable_fullscreen_mode: self._unfullscreen_button.hide() if self._unfullscreen_button_timeout_id: gobject.source_remove(self._unfullscreen_button_timeout_id) self._unfullscreen_button_timeout_id = None def __key_press_cb(self, widget, event): key = gtk.gdk.keyval_name(event.keyval) if event.state & gtk.gdk.MOD1_MASK: if self.tray is not None and key == 'space': self.tray.props.visible = not self.tray.props.visible return True elif key == 'Escape' and self._is_fullscreen and \ self.props.enable_fullscreen_mode: self.unfullscreen() return True return False def __unfullscreen_button_pressed(self, widget, event): self.unfullscreen() def __motion_notify_cb(self, widget, event): if self._is_fullscreen and self.props.enable_fullscreen_mode: if not self._unfullscreen_button.props.visible: self._unfullscreen_button.show() else: # Reset the timer if self._unfullscreen_button_timeout_id is not None: gobject.source_remove(self._unfullscreen_button_timeout_id) self._unfullscreen_button_timeout_id = None self._unfullscreen_button_timeout_id = \ gobject.timeout_add_seconds( \ _UNFULLSCREEN_BUTTON_VISIBILITY_TIMEOUT, \ self.__unfullscreen_button_timeout_cb) return True def __unfullscreen_button_timeout_cb(self): self._unfullscreen_button.hide() self._unfullscreen_button_timeout_id = None return False def set_enable_fullscreen_mode(self, enable_fullscreen_mode): self._enable_fullscreen_mode = enable_fullscreen_mode def get_enable_fullscreen_mode(self): return self._enable_fullscreen_mode enable_fullscreen_mode = gobject.property(type=object, setter=set_enable_fullscreen_mode, getter=get_enable_fullscreen_mode) # DEPRECATED def set_toolbox(self, toolbar_box): warnings.warn('use toolbar_box instead of toolbox', DeprecationWarning) self.set_toolbar_box(toolbar_box) def get_toolbox(self): warnings.warn('use toolbar_box instead of toolbox', DeprecationWarning) return self._toolbar_box toolbox = property(get_toolbox, set_toolbox)