sugar-toolkit-gtk3/lib/sugar/graphics/window.py

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# Copyright (C) 2007, Red Hat, Inc.
#
# 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.
import gobject
import gtk
import logging
from sugar.graphics.icon import Icon
class UnfullscreenButton(gtk.Window):
def __init__(self):
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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):
__gproperties__ = {
'enable-fullscreen-mode': (bool, None, None, True,
gobject.PARAM_READWRITE),
}
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.toolbox = 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.add(self._vbox)
self._vbox.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)
def do_get_property(self, prop):
if prop.name == 'enable-fullscreen-mode':
return self._enable_fullscreen_mode
else:
return gtk.Window.do_get_property(self, prop)
def do_set_property(self, prop, val):
if prop.name == 'enable-fullscreen-mode':
self._enable_fullscreen_mode = val
else:
gtk.Window.do_set_property(self, prop, val)
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def set_canvas(self, canvas):
if self.canvas:
self._event_box.remove(self.canvas)
if canvas:
self._event_box.add(canvas)
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self.canvas = canvas
def set_toolbox(self, toolbox):
if self.toolbox:
self._vbox.remove(self.toolbox)
self._vbox.pack_start(toolbox, False)
self._vbox.reorder_child(toolbox, 0)
self.toolbox = toolbox
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.toolbox 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.toolbox 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):
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group = gtk.Window()
group.realize()
window.window.set_group(group.window)
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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.toolbox is not None:
self.toolbox.hide()
if self.tray is not None:
self.tray.hide()
self._is_fullscreen = True
if self.props.enable_fullscreen_mode:
self._unfullscreen_button.show()
else:
if self.toolbox is not None:
self.toolbox.show()
if self.tray is not None:
self.tray.show()
self._is_fullscreen = False
if self.props.enable_fullscreen_mode:
self._unfullscreen_button.hide()
def __key_press_cb(self, widget, event):
key = gtk.gdk.keyval_name(event.keyval)
if event.state & gtk.gdk.MOD1_MASK:
if 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()