Refactor Palette class (tomeu)

2 files changed, 357 insertions, 466 deletions

diff --git a/src/sugar/graphics/palette.py b/src/sugar/graphics/palette.py
index 88145d2..a29a941 100644
--- a/src/sugar/graphics/palette.py
+++ b/src/sugar/graphics/palette.py
@@ -127,11 +127,8 @@ class MouseSpeedDetector(gobject.GObject):
 
         return True
 
-class Palette(gtk.Window):
-    PRIMARY = 0
-    SECONDARY = 1
-
-    __gtype_name__ = 'SugarPalette'
+class PaletteWindow(gtk.Window):
+    __gtype_name__ = 'SugarPaletteWindow'
 
     __gsignals__ = {
         'popup' :   (gobject.SIGNAL_RUN_FIRST,
@@ -142,6 +139,261 @@ class Palette(gtk.Window):
                       gobject.TYPE_NONE, ([]))
     }
 
+    def __init__(self, **kwargs):
+        self._group_id = None
+        self._invoker = None
+        self._invoker_hids = []
+        self._cursor_x = 0
+        self._cursor_y = 0
+        self._alignment = None
+        self._up = False
+        self._old_alloc = None
+
+        self._popup_anim = animator.Animator(.5, 10)
+        self._popup_anim.add(_PopupAnimation(self))
+
+        self._secondary_anim = animator.Animator(2.0, 10)
+        self._secondary_anim.add(_SecondaryAnimation(self))
+
+        self._popdown_anim = animator.Animator(0.6, 10)
+        self._popdown_anim.add(_PopdownAnimation(self))
+
+        gobject.GObject.__init__(self, **kwargs)
+
+        self.set_decorated(False)
+        self.set_resizable(False)
+        # Just assume xthickness and ythickness are the same
+        self.set_border_width(self.get_style().xthickness)
+
+        accel_group = gtk.AccelGroup()
+        self.set_data('sugar-accel-group', accel_group)
+        self.add_accel_group(accel_group)
+
+        self.set_group_id("default")
+
+        self.connect('show', self.__show_cb)
+        self.connect('hide', self.__hide_cb)
+        self.connect('realize', self.__realize_cb)
+        self.connect('destroy', self.__destroy_cb)
+        self.connect('enter-notify-event', self.__enter_notify_event_cb)
+        self.connect('leave-notify-event', self.__leave_notify_event_cb)
+
+        self._mouse_detector = MouseSpeedDetector(self, 200, 5)
+        self._mouse_detector.connect('motion-slow', self._mouse_slow_cb)
+
+    def __destroy_cb(self, palette):
+        self.set_group_id(None)
+
+    def set_invoker(self, invoker):
+        for hid in self._invoker_hids[:]: 
+            self._invoker.disconnect(hid)
+            self._invoker_hids.remove(hid)
+
+        self._invoker = invoker
+        if invoker is not None:
+            self._invoker_hids.append(self._invoker.connect(
+                'mouse-enter', self._invoker_mouse_enter_cb))
+            self._invoker_hids.append(self._invoker.connect(
+                'mouse-leave', self._invoker_mouse_leave_cb))
+            self._invoker_hids.append(self._invoker.connect(
+                'right-click', self._invoker_right_click_cb))
+
+        logging.debug('         Invoker set to %r' % self._invoker)
+
+    def get_invoker(self):
+        return self._invoker
+
+    invoker = gobject.property(type=object,
+                               getter=get_invoker,
+                               setter=set_invoker)
+
+    def __realize_cb(self, widget):
+        self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
+
+    def _mouse_slow_cb(self, widget):
+        self._mouse_detector.stop()
+        self._palette_do_popup()
+
+    def _palette_do_popup(self):
+        immediate = False
+
+        if self.is_up():
+            self._popdown_anim.stop() 
+            return
+
+        if self._group_id:
+            group = palettegroup.get_group(self._group_id)
+            if group and group.is_up():
+                immediate = True
+                group.popdown()
+
+        self.popup(immediate=immediate)
+
+    def is_up(self):
+        return self._up
+
+    def set_group_id(self, group_id):
+        if self._group_id:
+            group = palettegroup.get_group(self._group_id)
+            group.remove(self)
+        if group_id:
+            self._group_id = group_id
+            group = palettegroup.get_group(group_id)
+            group.add(self)
+
+    def get_group_id(self):
+        return self._group_id
+
+    group_id = gobject.property(type=str,
+                                getter=get_group_id,
+                                setter=set_group_id)
+
+    def do_size_request(self, requisition):
+        gtk.Window.do_size_request(self, requisition)
+        requisition.width = max(requisition.width, style.GRID_CELL_SIZE * 2)
+
+    def do_size_allocate(self, allocation):
+        gtk.Window.do_size_allocate(self, allocation)
+
+        if self._old_alloc is None or \
+           self._old_alloc.x != allocation.x or \
+           self._old_alloc.y != allocation.y or \
+           self._old_alloc.width != allocation.width or \
+           self._old_alloc.height != allocation.height:
+            self.queue_draw()
+
+        # We need to store old allocation because when size_allocate
+        # is called widget.allocation is already updated.
+        # gtk.Window resizing is different from normal containers:
+        # the X window is resized, widget.allocation is updated from
+        # the configure request handler and finally size_allocate is called.
+        self._old_alloc = allocation
+
+    def do_expose_event(self, event):
+        # We want to draw a border with a beautiful gap
+        if self._invoker is not None and self._invoker.has_rectangle_gap():
+            invoker = self._invoker.get_rect()
+            palette = self.get_rect()
+
+            gap = _calculate_gap(palette, invoker)
+        else:
+            gap = False
+
+        allocation = self.get_allocation()
+        wstyle = self.get_style()
+
+        if gap:
+            wstyle.paint_box_gap(event.window, gtk.STATE_PRELIGHT,
+                                 gtk.SHADOW_IN, event.area, self, "palette",
+                                 0, 0, allocation.width, allocation.height,
+                                 gap[0], gap[1], gap[2])
+        else:
+            wstyle.paint_box(event.window, gtk.STATE_PRELIGHT,
+                             gtk.SHADOW_IN, event.area, self, "palette",
+                             0, 0, allocation.width, allocation.height)
+
+        # Fall trough to the container expose handler.
+        # (Leaving out the window expose handler which redraws everything)
+        gtk.Bin.do_expose_event(self, event)
+
+    def update_position(self):
+        logging.debug('    update_position    1 %r %r' % (self._invoker, self._alignment))
+        invoker = self._invoker
+        if invoker is None or self._alignment is None:
+            logging.error('Cannot update the palette position.')
+            return
+
+        rect = self.size_request()
+        position = invoker.get_position_for_alignment(self._alignment, rect)
+        if position is None:
+            position = invoker.get_position(rect)
+
+        logging.debug('    update_position    %r %r' % (position.x, position.y))
+        self.move(position.x, position.y)
+
+    def get_full_size_request(self):
+        return self.size_request()
+
+    def popup(self, immediate=False):
+        if self._invoker is not None:
+            full_size_request = self.get_full_size_request()
+            self._alignment = self._invoker.get_alignment(full_size_request)
+
+            self.update_position()
+            self.set_transient_for(self._invoker.get_toplevel())
+
+        self._popdown_anim.stop()
+
+        if not immediate:
+            self._popup_anim.start()
+        else:
+            self.show()
+
+    def popdown(self, immediate=False):
+        logging.debug('Palette.popdown immediate %r' % immediate)
+        self._popup_anim.stop()
+
+        self._mouse_detector.stop()
+
+        if not immediate:
+            self._popdown_anim.start()
+        else:
+            self.hide()
+
+    def _invoker_mouse_enter_cb(self, invoker):
+        self._mouse_detector.start()
+
+    def _invoker_mouse_leave_cb(self, invoker):
+        self._mouse_detector.stop()
+        self.popdown()
+
+    def _invoker_right_click_cb(self, invoker):
+        self.popup(immediate=True)
+
+    def __enter_notify_event_cb(self, widget, event):
+        if event.detail != gtk.gdk.NOTIFY_INFERIOR and \
+                event.mode == gtk.gdk.CROSSING_NORMAL:
+            self._popdown_anim.stop()
+            self._secondary_anim.start()
+
+    def __leave_notify_event_cb(self, widget, event):
+        if event.detail != gtk.gdk.NOTIFY_INFERIOR and \
+                event.mode == gtk.gdk.CROSSING_NORMAL:
+            self.popdown()
+
+    def __show_cb(self, widget):
+        self._invoker.notify_popup()
+
+        self._up = True
+        self.emit('popup')
+
+    def __hide_cb(self, widget):
+        logging.debug('__hide_cb')
+        self._secondary_anim.stop()
+
+        if self._invoker:
+            self._invoker.notify_popdown()
+
+        self._up = False
+        self.emit('popdown')
+
+    def get_rect(self):
+        win_x, win_y = self.window.get_origin()
+        rectangle = self.get_allocation()
+
+        x = win_x + rectangle.x
+        y = win_y + rectangle.y
+        width = rectangle.width
+        height = rectangle.height
+        
+        return gtk.gdk.Rectangle(x, y, width, height)
+
+class Palette(PaletteWindow):
+    PRIMARY = 0
+    SECONDARY = 1
+
+    __gtype_name__ = 'SugarPalette'
+
     # DEPRECATED: label is passed with the primary-text property, accel_path 
     # is set via the invoker property, and menu_after_content is not used
     def __init__(self, label=None, accel_path=None, menu_after_content=False,
@@ -153,7 +405,6 @@ class Palette(gtk.Window):
         self._secondary_text = None
         self._icon = None
         self._icon_visible = True
-        self._group_id = None
 
         palette_box = gtk.VBox()
 
@@ -200,49 +451,18 @@ class Palette(gtk.Window):
 
         self._menu_content_separator = gtk.HSeparator()
 
-        self._popup_anim = animator.Animator(.5, 10)
-        self._popup_anim.add(_PopupAnimation(self))
-
         self._secondary_anim = animator.Animator(2.0, 10)
         self._secondary_anim.add(_SecondaryAnimation(self))
 
-        self._popdown_anim = animator.Animator(0.6, 10)
-        self._popdown_anim.add(_PopdownAnimation(self))
-
         # we init after initializing all of our containers
-        gobject.GObject.__init__(self, **kwargs)
-
-        self.set_decorated(False)
-        self.set_resizable(False)
-        # Just assume xthickness and ythickness are the same
-        self.set_border_width(self.get_style().xthickness)
-
-        accel_group = gtk.AccelGroup()
-        self.set_data('sugar-accel-group', accel_group)
-        self.add_accel_group(accel_group)
+        PaletteWindow.__init__(self, **kwargs)
 
         primary_box.set_size_request(-1, style.GRID_CELL_SIZE
                                      - 2 * self.get_border_width())
 
-
-        self.connect('show', self.__show_cb)
-        self.connect('hide', self.__hide_cb)
-        self.connect('realize', self.__realize_cb)
-        self.connect('destroy', self.__destroy_cb)
-
-        self._alignment = None
-        self._old_alloc = None
         self._full_request = [0, 0]
-        self._cursor_x = 0
-        self._cursor_y = 0
-        self._invoker = None
-        self._group_id = None
-        self._up = False
         self._menu_box = None
         self._content = None
-        self._invoker_hids = []
-        
-        self.set_group_id("default")
 
         # we set these for backward compatibility
         if label is not None:
@@ -263,21 +483,63 @@ class Palette(gtk.Window):
         self.menu = _Menu(self)
         self.menu.connect('item-inserted', self.__menu_item_inserted_cb)
 
-        self.connect('enter-notify-event', self.__enter_notify_event_cb)
-        self.connect('leave-notify-event', self.__leave_notify_event_cb)
+        self.connect('realize', self.__realize_cb)
+        self.connect('show', self.__show_cb)
+        self.connect('hide', self.__hide_cb)
+        self.connect('notify::invoker', self.__notify_invoker_cb)
+        self.connect('destroy', self.__destroy_cb)
 
-        self._mouse_detector = MouseSpeedDetector(self, 200, 5)
-        self._mouse_detector.connect('motion-slow', self._mouse_slow_cb)
+    def _invoker_right_click_cb(self, invoker):
+        self.popup(immediate=True, state=self.SECONDARY)
+
+    def do_style_set(self, previous_style):
+        # Prevent a warning from pygtk
+        if previous_style is not None:
+            gtk.Window.do_style_set(self, previous_style)
+        self.set_border_width(self.get_style().xthickness)
 
     def __menu_item_inserted_cb(self, menu):
         self._update_separators()
 
     def __destroy_cb(self, palette):
-        self.set_group_id(None)
-
         # Break the reference cycle. It looks like the gc is not able to free
         # it, possibly because gtk.Menu memory handling is very special.
         self.menu = None
+
+    def __show_cb(self, widget):
+        self.menu.set_active(True)
+
+    def __hide_cb(self, widget):
+        logging.debug('__hide_cb')
+        self.menu.set_active(False)
+
+    def __notify_invoker_cb(self, palette, pspec):
+        invoker = self.props.invoker
+        if invoker is not None and hasattr(invoker.props, 'widget'):
+            logging.debug(('Setup widget', invoker.props.widget))
+            self._update_accel_widget()
+            self._invoker.connect('notify::widget',
+                                  self.__invoker_widget_changed_cb)
+
+    def __invoker_widget_changed_cb(self, invoker, spec):
+        self._update_accel_widget()
+
+    def get_full_size_request(self):
+        return self._full_request
+
+    def popup(self, immediate=False, state=None):
+        logging.debug('Palette.popup immediate %r' % immediate)
+
+        if self._invoker is not None:
+            self._update_full_request()
+    
+        PaletteWindow.popup(self, immediate)
+
+        if state is None:
+            state = self.PRIMARY
+        self.set_state(state)
+
+        self._secondary_anim.start()
         
     def _add_menu(self):
         self._menu_box = gtk.VBox()
@@ -290,52 +552,6 @@ class Palette(gtk.Window):
         self._content.set_border_width(style.DEFAULT_SPACING)
         self._secondary_box.pack_start(self._content)
 
-    def do_style_set(self, previous_style):
-        # Prevent a warning from pygtk
-        if previous_style is not None:
-            gtk.Window.do_style_set(self, previous_style)
-        self.set_border_width(self.get_style().xthickness)
-
-    def is_up(self):
-        return self._up
-
-    def get_rect(self):
-        win_x, win_y = self.window.get_origin()
-        rectangle = self.get_allocation()
-
-        x = win_x + rectangle.x
-        y = win_y + rectangle.y
-        width = rectangle.width
-        height = rectangle.height
-        
-        return gtk.gdk.Rectangle(x, y, width, height)
-
-    def set_invoker(self, invoker):
-        for hid in self._invoker_hids[:]: 
-            self._invoker.disconnect(hid)
-            self._invoker_hids.remove(hid)
-
-        self._invoker = invoker
-        if invoker is not None:
-            self._invoker_hids.append(self._invoker.connect(
-                'mouse-enter', self._invoker_mouse_enter_cb))
-            self._invoker_hids.append(self._invoker.connect(
-                'mouse-leave', self._invoker_mouse_leave_cb))
-            self._invoker_hids.append(self._invoker.connect(
-                'right-click', self._invoker_right_click_cb))
-            if hasattr(invoker.props, 'widget'):
-                self._update_accel_widget()
-                logging.debug(('Setup widget', invoker.props.widget))
-                self._invoker_hids.append(self._invoker.connect(
-                    'notify::widget', self._invoker_widget_changed_cb))
-
-    def get_invoker(self):
-        return self._invoker
-
-    invoker = gobject.property(type=object,
-                               getter=get_invoker,
-                               setter=set_invoker)
-
     def _update_accel_widget(self):
         assert self.props.invoker is not None
         self._label.props.accel_widget = self.props.invoker.props.widget
@@ -438,24 +654,8 @@ class Palette(gtk.Window):
         self._update_accept_focus()
         self._update_separators()
 
-    def set_group_id(self, group_id):
-        if self._group_id:
-            group = palettegroup.get_group(self._group_id)
-            group.remove(self)
-        if group_id:
-            self._group_id = group_id
-            group = palettegroup.get_group(group_id)
-            group.add(self)
-
-    def get_group_id(self):
-        return self._group_id
-
-    group_id = gobject.property(type=str,
-                                getter=get_group_id,
-                                setter=set_group_id)
-
     def do_size_request(self, requisition):
-        gtk.Window.do_size_request(self, requisition)
+        PaletteWindow.do_size_request(self, requisition)
 
         # gtk.AccelLabel request doesn't include the accelerator.
         label_width = self._label_alignment.size_request()[0] + \
@@ -463,54 +663,9 @@ class Palette(gtk.Window):
                       2 * self.get_border_width()
 
         requisition.width = max(requisition.width,
-                                style.GRID_CELL_SIZE * 2,
                                 label_width,
                                 self._full_request[0])
 
-    def do_size_allocate(self, allocation):
-        gtk.Window.do_size_allocate(self, allocation)
-
-        if self._old_alloc is None or \
-           self._old_alloc.x != allocation.x or \
-           self._old_alloc.y != allocation.y or \
-           self._old_alloc.width != allocation.width or \
-           self._old_alloc.height != allocation.height:
-            self.queue_draw()
-
-        # We need to store old allocation because when size_allocate
-        # is called widget.allocation is already updated.
-        # gtk.Window resizing is different from normal containers:
-        # the X window is resized, widget.allocation is updated from
-        # the configure request handler and finally size_allocate is called.
-        self._old_alloc = allocation
-
-    def do_expose_event(self, event):
-        # We want to draw a border with a beautiful gap
-        if self._invoker is not None and self._invoker.has_rectangle_gap():
-            invoker = self._invoker.get_rect()
-            palette = self.get_rect()
-
-            gap = _calculate_gap(palette, invoker)
-        else:
-            gap = False
-
-        allocation = self.get_allocation()
-        wstyle = self.get_style()
-
-        if gap:
-            wstyle.paint_box_gap(event.window, gtk.STATE_PRELIGHT,
-                                 gtk.SHADOW_IN, event.area, self, "palette",
-                                 0, 0, allocation.width, allocation.height,
-                                 gap[0], gap[1], gap[2])
-        else:
-            wstyle.paint_box(event.window, gtk.STATE_PRELIGHT,
-                             gtk.SHADOW_IN, event.area, self, "palette",
-                             0, 0, allocation.width, allocation.height)
-
-        # Fall trough to the container expose handler.
-        # (Leaving out the window expose handler which redraws everything)
-        gtk.Bin.do_expose_event(self, event)
-
     def _update_separators(self):
         visible = len(self.menu.get_children()) > 0 or  \
                   len(self._content.get_children()) > 0
@@ -526,7 +681,6 @@ class Palette(gtk.Window):
             self.window.set_accept_focus(accept_focus)
 
     def __realize_cb(self, widget):
-        self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
         self._update_accept_focus()
 
     def _update_full_request(self):
@@ -540,52 +694,6 @@ class Palette(gtk.Window):
             self.menu.unembed()
             self._secondary_box.hide()
 
-    def _update_position(self):
-        invoker = self._invoker
-        if invoker is None or self._alignment is None:
-            logging.error('Cannot update the palette position.')
-            return
-
-        rect = self.size_request()
-        position = invoker.get_position_for_alignment(self._alignment, rect)
-        if position is None:
-            position = invoker.get_position(rect)
-
-        self.move(position.x, position.y)
-
-    def popup(self, immediate=False, state=None):
-        logging.debug('Palette.popup immediate %r' % immediate)
-
-        if state is None:
-            state = self.PRIMARY
-        self.set_state(state)
-
-        if self._invoker is not None:
-            self._update_full_request()
-            self._alignment = self._invoker.get_alignment(self._full_request)
-            self._update_position()
-            self.set_transient_for(self._invoker.get_toplevel())
-
-        self._popdown_anim.stop()
-
-        if not immediate:
-            self._popup_anim.start()
-        else:
-            self.show()
-
-        self._secondary_anim.start()
-
-    def popdown(self, immediate=False):
-        logging.debug('Palette.popdown immediate %r' % immediate)
-        self._popup_anim.stop()
-
-        self._mouse_detector.stop()
-
-        if not immediate:
-            self._popdown_anim.start()
-        else:
-            self.hide()
-
     def set_state(self, state):
         if self.palette_state == state:
             return
@@ -596,74 +704,10 @@ class Palette(gtk.Window):
         elif state == self.SECONDARY:
             self.menu.embed(self._menu_box)
             self._secondary_box.show()
-            self._update_position()
+            self.update_position()
 
         self.palette_state = state
 
-    def _mouse_slow_cb(self, widget):
-        self._mouse_detector.stop()
-        self._palette_do_popup()
-
-    def _palette_do_popup(self):
-        immediate = False
-
-        if self.is_up():
-            self._popdown_anim.stop() 
-            return
-
-        if self._group_id:
-            group = palettegroup.get_group(self._group_id)
-            if group and group.is_up():
-                immediate = True
-                group.popdown()
-
-        self.popup(immediate=immediate)
-
-    def _invoker_widget_changed_cb(self, invoker, spec):
-        self._update_accel_widget()
-
-    def _invoker_mouse_enter_cb(self, invoker):
-        self._mouse_detector.start()
-
-    def _invoker_mouse_leave_cb(self, invoker):
-        self._mouse_detector.stop()
-        self.popdown()
-
-    def _invoker_right_click_cb(self, invoker):
-        self.popup(immediate=True, state=self.SECONDARY)
-
-    def __enter_notify_event_cb(self, widget, event):
-        if event.detail != gtk.gdk.NOTIFY_INFERIOR and \
-                event.mode == gtk.gdk.CROSSING_NORMAL:
-            self._popdown_anim.stop()
-            self._secondary_anim.start()
-
-    def __leave_notify_event_cb(self, widget, event):
-        if event.detail != gtk.gdk.NOTIFY_INFERIOR and \
-                event.mode == gtk.gdk.CROSSING_NORMAL:
-            self.popdown()
-
-    def __show_cb(self, widget):
-        self.menu.set_active(True)
-
-        self._invoker.notify_popup()
-
-        self._up = True
-        self.emit('popup')
-
-    def __hide_cb(self, widget):
-        logging.debug('__hide_cb')
-        self.menu.set_active(False)
-
-        self._secondary_anim.stop()
-
-        if self._invoker:
-            self._invoker.notify_popdown()
-
-        self._up = False
-        self.emit('popdown')
-
-
 class PaletteActionBar(gtk.HButtonBox):
     def add_action(self, label, icon_name=None):
         button = gtk.Button(label)
diff --git a/src/sugar/graphics/toolbarbox.py b/src/sugar/graphics/toolbarbox.py
index e8c1b35..f2f3ef8 100644
--- a/src/sugar/graphics/toolbarbox.py
+++ b/src/sugar/graphics/toolbarbox.py
@@ -15,25 +15,21 @@
 # Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 # Boston, MA 02111-1307, USA.
 
-import gtk
-import gobject
 import logging
+
+import gobject
 from gobject import SIGNAL_RUN_FIRST, TYPE_NONE
+import gtk
 
 from sugar.graphics import style
+from sugar.graphics.palette import PaletteWindow, ToolInvoker
 from sugar.graphics.toolbutton import ToolButton
-from sugar.graphics.palette import MouseSpeedDetector, Invoker
-from sugar.graphics.animator import Animator, Animation
-from sugar.graphics import palettegroup
 
 class ToolbarButton(ToolButton):
-    def __init__(self, **kwargs):
-        self.page_widget = None
-
+    def __init__(self, page=None, **kwargs):
         ToolButton.__init__(self, **kwargs)
 
-        if self.palette is None:
-            self.palette = _Palette(self)
+        self.set_page(page)
 
         self.connect('clicked',
                 lambda widget: self.set_expanded(not self.is_expanded()))
@@ -51,19 +47,36 @@ class ToolbarButton(ToolButton):
         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 self.props.palette is not None:
+            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):
-        if isinstance(self.palette, _Palette) and self.palette.is_up():
-            self.palette.popdown(immediate=True)
+        self.props.palette.popdown(immediate=True)
 
     def set_expanded(self, expanded):
         self.popdown()
@@ -77,6 +90,7 @@ class ToolbarButton(ToolButton):
         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:
@@ -86,7 +100,7 @@ class ToolbarButton(ToolButton):
             box.expanded_button.set_expanded(False)
 
         if self.page_widget.parent is not None:
-            self.palette.remove(self.page_widget)
+            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)
@@ -94,8 +108,8 @@ class ToolbarButton(ToolButton):
         box.expanded_button = self
 
     def do_expose_event(self, event):
-        if not self.is_expanded() or self.palette is not None and \
-                self.palette.is_up():
+        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
@@ -157,6 +171,26 @@ class ToolbarBox(gtk.VBox):
         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)
+
+    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)
+
 class _Box(gtk.EventBox):
     def __init__(self):
         gtk.EventBox.__init__(self)
@@ -176,193 +210,6 @@ class _Box(gtk.EventBox):
                 alloc.width - style._FOCUS_LINE_WIDTH*2,
                     style._FOCUS_LINE_WIDTH)
 
-class _Palette(gtk.Window):
-    def __init__(self, toolitem, **kwargs):
-        gobject.GObject.__init__(self, **kwargs)
-
-        self.set_decorated(False)
-        self.set_resizable(False)
-        self.set_border_width(0)
-
-        self._toolitem = toolitem
-        self._invoker = None
-        self._up = False
-        self._invoker_hids = []
-        self._focus = 0
-
-        self._popup_anim = Animator(.5, 10)
-        self._popup_anim.add(_PopupAnimation(self))
-
-        self._popdown_anim = Animator(0.6, 10)
-        self._popdown_anim.add(_PopdownAnimation(self))
-
-        accel_group = gtk.AccelGroup()
-        self.set_data('sugar-accel-group', accel_group)
-        self.add_accel_group(accel_group)
-
-        self.connect('show', self.__show_cb)
-        self.connect('hide', self.__hide_cb)
-        self.connect('realize', self.__realize_cb)
-        self.connect('enter-notify-event', self.__enter_notify_event_cb)
-        self.connect('leave-notify-event', self.__leave_notify_event_cb)
-
-        self._mouse_detector = MouseSpeedDetector(self, 200, 5)
-        self._mouse_detector.connect('motion-slow', self._mouse_slow_cb)
-
-        group = palettegroup.get_group('default')
-        group.connect('popdown', self.__group_popdown_cb)
-
-    def is_up(self):
-        return self._up
-
-    def get_rect(self):
-        win_x, win_y = self.window.get_origin()
-        rectangle = self.get_allocation()
-
-        x = win_x + rectangle.x
-        y = win_y + rectangle.y
-        width = rectangle.width
-        height = rectangle.height
-
-        return gtk.gdk.Rectangle(x, y, width, height)
-
-    def set_invoker(self, invoker):
-        for hid in self._invoker_hids[:]:
-            self._invoker.disconnect(hid)
-            self._invoker_hids.remove(hid)
-
-        self._invoker = invoker
-        if invoker is not None:
-            self._invoker_hids.append(self._invoker.connect(
-                'mouse-enter', self.__invoker_mouse_enter_cb))
-            self._invoker_hids.append(self._invoker.connect(
-                'mouse-leave', self.__invoker_mouse_leave_cb))
-            self._invoker_hids.append(self._invoker.connect(
-                'right-click', self.__invoker_right_click_cb))
-
-    def get_invoker(self):
-        return self._invoker
-
-    invoker = gobject.property(type=object,
-                               getter=get_invoker,
-                               setter=set_invoker)
-
-    def do_size_request(self, requisition):
-        gtk.Window.do_size_request(self, requisition)
-        if self._toolitem.toolbar_box is not None:
-            requisition.width = self._toolitem.toolbar_box.allocation.width
-
-    def __realize_cb(self, widget):
-        self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
-        #accept_focus = len(self._content.get_children())
-        #if self.window:
-        #    self.window.set_accept_focus(accept_focus)
-
-    def popup(self, immediate=False):
-        self._popdown_anim.stop()
-
-        toolbar = self._toolitem.toolbar_box
-        page = self._toolitem.page_widget
-
-        if not self._invoker or self._toolitem.is_expanded() or not toolbar:
-            return
-
-        _setup_page(page, style.COLOR_BLACK.get_gdk_color(),
-                toolbar.props.padding)
-        if self.child is None:
-            self.add(page)
-
-        x, y = toolbar.window.get_origin()
-        self.move(x + toolbar.allocation.x,
-                y + toolbar.toolbar.allocation.height)
-        self.set_transient_for(self._invoker.get_toplevel())
-
-        if not immediate:
-            self._popup_anim.start()
-        else:
-            self.show()
-
-    def popdown(self, immediate=False):
-        self._popup_anim.stop()
-        self._mouse_detector.stop()
-
-        if not immediate:
-            self._popdown_anim.start()
-        else:
-            self.hide()
-
-    def _mouse_slow_cb(self, widget):
-        self._mouse_detector.stop()
-
-        if self.is_up():
-            self._popdown_anim.stop()
-            return
-
-        self.popup(immediate=False)
-
-    def _handle_focus(self, delta):
-        self._focus += delta
-        if self._focus not in (0, 1):
-            logging.error('_Palette._focus=%s not in (0, 1)' % self._focus)
-
-        if self._focus == 0:
-            group = palettegroup.get_group('default')
-            if not group.is_up():
-                self.popdown()
-
-    def __group_popdown_cb(self, group):
-        if self._focus == 0:
-            self.popdown(immediate=True)
-
-    def __invoker_mouse_enter_cb(self, invoker):
-        self._mouse_detector.start()
-        self._handle_focus(+1)
-
-    def __invoker_mouse_leave_cb(self, invoker):
-        self._mouse_detector.stop()
-        self._handle_focus(-1)
-
-    def __invoker_right_click_cb(self, invoker):
-        self.popup(immediate=True)
-
-    def __enter_notify_event_cb(self, widget, event):
-        if event.detail != gtk.gdk.NOTIFY_INFERIOR and \
-                event.mode == gtk.gdk.CROSSING_NORMAL:
-            self._popdown_anim.stop()
-            self._handle_focus(+1)
-
-    def __leave_notify_event_cb(self, widget, event):
-        if event.detail != gtk.gdk.NOTIFY_INFERIOR and \
-                event.mode == gtk.gdk.CROSSING_NORMAL:
-            self._handle_focus(-1)
-
-    def __show_cb(self, widget):
-        self._invoker.notify_popup()
-        self._up = True
-
-    def __hide_cb(self, widget):
-        if self._invoker:
-            self._invoker.notify_popdown()
-        self._up = False
-
-class _PopupAnimation(Animation):
-    def __init__(self, palette):
-        Animation.__init__(self, 0.0, 1.0)
-        self._palette = palette
-
-    def next_frame(self, current):
-        if current == 1.0:
-            self._palette.show()
-
-class _PopdownAnimation(Animation):
-    def __init__(self, palette):
-        Animation.__init__(self, 0.0, 1.0)
-        self._palette = palette
-
-    def next_frame(self, current):
-        if current == 1.0:
-            self._palette.hide()
-
 def _setup_page(page, color, hpad):
     vpad = style._FOCUS_LINE_WIDTH
     page.child.set_padding(vpad, vpad, hpad, hpad)