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# Copyright (C) 2009, Aleksey Lim
#
# 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
import gobject
import logging
from sugar.graphics import style
from sugar.graphics.palette import PaletteWindow, ToolInvoker
from sugar.graphics.toolbutton import ToolButton
from sugar.graphics import palettegroup
class ToolbarButton(ToolButton):
def __init__(self, page=None, **kwargs):
ToolButton.__init__(self, **kwargs)
self.page_widget = None
self.set_page(page)
self.connect('clicked',
lambda widget: self.set_expanded(not self.is_expanded()))
def get_toolbar_box(self):
if not hasattr(self.parent, 'owner'):
return None
return self.parent.owner
toolbar_box = property(get_toolbar_box)
def get_page(self):
if self.page_widget is None:
return None
return self.page_widget.child.child
def set_page(self, page):
if page is None:
self.page_widget = None
return
self.page_widget = _embody_page(_Box, page)
self.page_widget.toolbar_button = self
page.show()
if self.props.palette is None:
self.props.palette = _ToolbarPalette(invoker=ToolInvoker(self))
self.props.palette.toolbar_button = self
self._move_page_to_palette()
page = gobject.property(type=object, getter=get_page, setter=set_page)
def _move_page_to_palette(self):
if self.page_widget is None:
return
if self.toolbar_box is not None and \
self.page_widget in self.toolbar_box.get_children():
self.toolbar_box.remove(self.page_widget)
if isinstance(self.props.palette, _ToolbarPalette):
self.props.palette.add(self.page_widget)
def is_expanded(self):
return self.toolbar_box is not None and self.page_widget is not None \
and self.toolbar_box.expanded_button == self
def popdown(self):
self.props.palette.popdown(immediate=True)
def set_expanded(self, expanded):
self.popdown()
box = self.toolbar_box
if box is None or self.page_widget is None or \
self.is_expanded() == expanded:
return
if not expanded:
box.remove(self.page_widget)
box.expanded_button = None
self._move_page_to_palette()
return
if box.expanded_button is not None:
# need to redraw it to erase arrow
expanded_toolitem = box.expanded_button.page_widget.toolbar_button
if expanded_toolitem.window is not None:
expanded_toolitem.window.invalidate_rect(None, True)
box.expanded_button.set_expanded(False)
if self.page_widget.parent is not None:
self.props.palette.remove(self.page_widget)
self.modify_bg(gtk.STATE_NORMAL, box.background)
_setup_page(self.page_widget, box.background, box.props.padding)
box.pack_start(self.page_widget)
box.expanded_button = self
def do_expose_event(self, event):
if not self.is_expanded() or self.props.palette is not None and \
self.props.palette.is_up():
ToolButton.do_expose_event(self, event)
_paint_arrow(self, event, gtk.ARROW_DOWN)
return
alloc = self.allocation
self.get_style().paint_box(event.window,
gtk.STATE_NORMAL, gtk.SHADOW_IN, event.area, self,
'palette-invoker', alloc.x, 0,
alloc.width, alloc.height + style.FOCUS_LINE_WIDTH)
if self.child.state != gtk.STATE_PRELIGHT:
self.get_style().paint_box(event.window,
gtk.STATE_NORMAL, gtk.SHADOW_NONE, event.area, self, None,
alloc.x + style.FOCUS_LINE_WIDTH, style.FOCUS_LINE_WIDTH,
alloc.width - style.FOCUS_LINE_WIDTH * 2, alloc.height)
gtk.ToolButton.do_expose_event(self, event)
_paint_arrow(self, event, gtk.ARROW_UP)
class ToolbarBox(gtk.VBox):
def __init__(self, padding=style.TOOLBOX_HORIZONTAL_PADDING):
gtk.VBox.__init__(self)
self.expanded_button = None
self.background = None
self._toolbar = gtk.Toolbar()
self._toolbar.owner = self
self._toolbar.connect('remove', self.__remove_cb)
top_widget = _embody_page(gtk.EventBox, self._toolbar)
self.pack_start(top_widget)
self.props.padding = padding
self.modify_bg(gtk.STATE_NORMAL,
style.COLOR_TOOLBAR_GREY.get_gdk_color())
def __remove_cb(self, sender, button):
if not isinstance(button, ToolbarButton):
return
button.popdown()
if self.expanded_button == button:
self.remove(button.page_widget)
self.expanded_button = None
def get_toolbar(self):
return self._toolbar
toolbar = property(get_toolbar)
def get_padding(self):
return self.toolbar.parent.props.left_padding
def set_padding(self, pad):
self.toolbar.parent.set_padding(0, 0, pad, pad)
padding = gobject.property(type=object,
getter=get_padding, setter=set_padding)
def modify_bg(self, state, color):
if state == gtk.STATE_NORMAL:
self.background = color
self.toolbar.parent.parent.modify_bg(state, color)
self.toolbar.modify_bg(state, color)
class _ToolbarPalette(PaletteWindow):
def __init__(self, **kwargs):
PaletteWindow.__init__(self, **kwargs)
self.toolbar_box = None
self.set_border_width(0)
self._has_focus = False
group = palettegroup.get_group('default')
group.connect('popdown', self.__group_popdown_cb)
self.set_group_id('toolbar_box')
def on_invoker_enter(self):
PaletteWindow.on_invoker_enter(self)
self._set_focus(True)
def on_invoker_leave(self):
PaletteWindow.on_invoker_leave(self)
self._set_focus(False)
def on_enter(self, event):
PaletteWindow.on_enter(self, event)
self._set_focus(True)
def on_leave(self, event):
PaletteWindow.on_enter(self, event)
self._set_focus(False)
def _set_focus(self, new_focus):
self._has_focus = new_focus
if not self._has_focus:
group = palettegroup.get_group('default')
if not group.is_up():
self.popdown()
def do_size_request(self, requisition):
gtk.Window.do_size_request(self, requisition)
requisition.width = max(requisition.width,
gtk.gdk.screen_width())
def popup(self, immediate=False):
button = self.toolbar_button
if button.is_expanded():
return
box = button.toolbar_box
_setup_page(button.page_widget, style.COLOR_BLACK.get_gdk_color(),
box.props.padding)
PaletteWindow.popup(self, immediate)
def __group_popdown_cb(self, group):
if not self._has_focus:
self.popdown(immediate=True)
class _Box(gtk.EventBox):
def __init__(self):
gtk.EventBox.__init__(self)
self.connect('expose-event', self.do_expose_event)
self.set_app_paintable(True)
def do_expose_event(self, widget, event):
alloc = self.toolbar_button.allocation
self.get_style().paint_box(event.window,
gtk.STATE_NORMAL, gtk.SHADOW_IN, event.area, self,
'palette-invoker', -style.FOCUS_LINE_WIDTH, 0,
self.allocation.width + style.FOCUS_LINE_WIDTH * 2,
self.allocation.height + style.FOCUS_LINE_WIDTH)
self.get_style().paint_box(event.window,
gtk.STATE_NORMAL, gtk.SHADOW_NONE, event.area, self, None,
alloc.x + style.FOCUS_LINE_WIDTH, 0,
alloc.width - style.FOCUS_LINE_WIDTH * 2,
style.FOCUS_LINE_WIDTH)
def _setup_page(page_widget, color, hpad):
vpad = style.FOCUS_LINE_WIDTH
page_widget.child.set_padding(vpad, vpad, hpad, hpad)
page = page_widget.child.child
page.modify_bg(gtk.STATE_NORMAL, color)
if isinstance(page, gtk.Container):
for i in page.get_children():
i.modify_bg(gtk.STATE_INSENSITIVE, color)
page_widget.modify_bg(gtk.STATE_NORMAL, color)
page_widget.modify_bg(gtk.STATE_PRELIGHT, color)
def _embody_page(box_class, widget):
widget.show()
alignment = gtk.Alignment(0.0, 0.0, 1.0, 1.0)
alignment.add(widget)
alignment.show()
box = box_class()
box.modify_bg(gtk.STATE_ACTIVE, style.COLOR_BUTTON_GREY.get_gdk_color())
box.add(alignment)
box.show()
return box
def _paint_arrow(widget, event, arrow_type):
alloc = widget.allocation
x = alloc.x + alloc.width / 2 - style.TOOLBAR_ARROW_SIZE / 2
y = alloc.y + alloc.height - int(style.TOOLBAR_ARROW_SIZE * .85)
widget.get_style().paint_arrow(event.window,
gtk.STATE_NORMAL, gtk.SHADOW_NONE, event.area, widget,
None, arrow_type, True,
x, y, style.TOOLBAR_ARROW_SIZE, style.TOOLBAR_ARROW_SIZE)
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