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

130 lines
4.5 KiB
Python

# 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 gtk
class Window(gtk.Window):
def __init__(self):
gtk.Window.__init__(self)
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.add(self._vbox)
self._vbox.show()
def set_canvas(self, canvas):
if self.canvas:
self._hbox.remove(self.canvas)
self._hbox.pack_start(canvas)
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):
group = gtk.Window()
group.realize()
window.window.set_group(group.window)
def __window_state_event_cb(self, window, event):
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()
elif event.new_window_state == 0:
if self.toolbox is not None:
self.toolbox.show()
if self.tray is not None:
self.tray.show()
def __key_press_cb(self, widget, event):
if event.state & gtk.gdk.MOD1_MASK:
if gtk.gdk.keyval_name(event.keyval) == 'space':
self.tray.props.visible = not self.tray.props.visible
return True
return False
def get_canvas_screenshot(self):
if not self.canvas:
return None
window = self.canvas.window
width, height = window.get_size()
screenshot = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, has_alpha=False,
bits_per_sample=8, width=width, height=height)
screenshot.get_from_drawable(window, window.get_colormap(), 0, 0, 0, 0,
width, height)
return screenshot