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# Copyright (C) 2007, Red Hat, Inc.
# Copyright (C) 2008, One Laptop Per Child
#
# 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 logging
import gtk
import gobject
from sugar.graphics.icon import Icon
from sugar.graphics.palette import Palette, ToolInvoker
def _add_accelerator(tool_button):
if not tool_button.props.accelerator or not tool_button.get_toplevel() or \
not tool_button.child:
return
# TODO: should we remove the accelerator from the prev top level?
accel_group = tool_button.get_toplevel().get_data('sugar-accel-group')
if not accel_group:
logging.warning('No gtk.AccelGroup in the top level window.')
return
keyval, mask = gtk.accelerator_parse(tool_button.props.accelerator)
# the accelerator needs to be set at the child, so the gtk.AccelLabel
# in the palette can pick it up.
tool_button.child.add_accelerator('clicked', accel_group, keyval, mask,
gtk.ACCEL_LOCKED | gtk.ACCEL_VISIBLE)
def _hierarchy_changed_cb(tool_button, previous_toplevel):
_add_accelerator(tool_button)
def setup_accelerator(tool_button):
_add_accelerator(tool_button)
tool_button.connect('hierarchy-changed', _hierarchy_changed_cb)
class ToolButton(gtk.ToolButton):
__gtype_name__ = "SugarToolButton"
def __init__(self, icon_name=None, **kwargs):
self._accelerator = None
self._tooltip = None
self._palette = None
gobject.GObject.__init__(self, **kwargs)
if icon_name:
self.set_icon(icon_name)
self.connect('clicked', self.__button_clicked_cb)
def set_tooltip(self, tooltip):
""" Set a simple palette with just a single label.
"""
if self.palette is None or self._tooltip is None:
self.palette = Palette(tooltip)
elif self.palette is not None:
self.palette.set_primary_text(tooltip)
self._tooltip = tooltip
# Set label, shows up when toolbar overflows
gtk.ToolButton.set_label(self, tooltip)
def get_tooltip(self):
return self._tooltip
tooltip = gobject.property(type=str, setter=set_tooltip, getter=get_tooltip)
def set_accelerator(self, accelerator):
self._accelerator = accelerator
setup_accelerator(self)
def get_accelerator(self):
return self._accelerator
accelerator = gobject.property(type=str, setter=set_accelerator,
getter=get_accelerator)
def set_icon(self, icon_name):
icon = Icon(icon_name=icon_name)
self.set_icon_widget(icon)
icon.show()
def get_palette(self):
return self._palette
def set_palette(self, palette):
if self._palette is not None:
self._palette.props.invoker = None
self._palette = palette
self._palette.props.invoker = ToolInvoker(self)
palette = gobject.property(
type=object, setter=set_palette, getter=get_palette)
def do_expose_event(self, event):
child = self.get_child()
allocation = self.get_allocation()
if self._palette and self._palette.is_up():
invoker = self._palette.props.invoker
invoker.draw_rectangle(event, self._palette)
elif child.state == gtk.STATE_PRELIGHT:
child.style.paint_box(event.window, gtk.STATE_PRELIGHT,
gtk.SHADOW_NONE, event.area,
child, "toolbutton-prelight",
allocation.x, allocation.y,
allocation.width, allocation.height)
gtk.ToolButton.do_expose_event(self, event)
def __button_clicked_cb(self, widget):
if self._palette:
self._palette.popdown(True)
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