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446 lines
14 KiB
Python
446 lines
14 KiB
Python
# Copyright (C) 2007, Eduardo Silva <edsiper@gmail.com>
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# Copyright (C) 2008, One Laptop Per Child
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# Copyright (C) 2009, Tomeu Vizoso
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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"""
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STABLE.
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"""
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import gtk
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import gobject
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import pango
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from sugar3.graphics import palettegroup
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from sugar3.graphics import animator
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from sugar3.graphics import style
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from sugar3.graphics.icon import Icon
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from sugar3.graphics.palettewindow import PaletteWindow
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from sugar import _sugarext
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# DEPRECATED
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# Import these for backwards compatibility
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from sugar3.graphics.palettewindow import MouseSpeedDetector, Invoker, \
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WidgetInvoker, CanvasInvoker, ToolInvoker, CellRendererInvoker
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class Palette(PaletteWindow):
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PRIMARY = 0
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SECONDARY = 1
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__gtype_name__ = 'SugarPalette'
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def __init__(self, label=None, accel_path=None, menu_after_content=False,
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text_maxlen=60, **kwargs):
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# DEPRECATED: label is passed with the primary-text property,
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# accel_path is set via the invoker property, and menu_after_content
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# is not used
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self._primary_text = None
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self._secondary_text = None
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self._icon = None
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self._icon_visible = True
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self._palette_state = self.PRIMARY
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palette_box = gtk.VBox()
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primary_box = gtk.HBox()
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palette_box.pack_start(primary_box, expand=False)
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primary_box.show()
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self._icon_box = gtk.HBox()
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self._icon_box.set_size_request(style.GRID_CELL_SIZE, -1)
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primary_box.pack_start(self._icon_box, expand=False)
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labels_box = gtk.VBox()
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self._label_alignment = gtk.Alignment(xalign=0, yalign=0.5,
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xscale=1, yscale=0.33)
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self._label_alignment.set_padding(0, 0, style.DEFAULT_SPACING,
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style.DEFAULT_SPACING)
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self._label_alignment.add(labels_box)
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self._label_alignment.show()
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primary_box.pack_start(self._label_alignment, expand=True)
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labels_box.show()
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self._label = gtk.AccelLabel('')
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self._label.set_alignment(0, 0.5)
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if text_maxlen > 0:
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self._label.set_max_width_chars(text_maxlen)
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self._label.set_ellipsize(pango.ELLIPSIZE_MIDDLE)
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labels_box.pack_start(self._label, expand=True)
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self._secondary_label = gtk.Label()
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self._secondary_label.set_alignment(0, 0.5)
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if text_maxlen > 0:
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self._secondary_label.set_max_width_chars(text_maxlen)
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self._secondary_label.set_ellipsize(pango.ELLIPSIZE_END)
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labels_box.pack_start(self._secondary_label, expand=True)
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self._secondary_box = gtk.VBox()
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palette_box.pack_start(self._secondary_box)
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self._separator = gtk.HSeparator()
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self._secondary_box.pack_start(self._separator)
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self._menu_content_separator = gtk.HSeparator()
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self._secondary_anim = animator.Animator(2.0, 10)
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self._secondary_anim.add(_SecondaryAnimation(self))
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# we init after initializing all of our containers
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PaletteWindow.__init__(self, **kwargs)
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primary_box.set_size_request(-1, style.GRID_CELL_SIZE
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- 2 * self.get_border_width())
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self._full_request = [0, 0]
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self._menu_box = None
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self._content = None
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# we set these for backward compatibility
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if label is not None:
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self.props.primary_text = label
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self._add_menu()
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self._secondary_box.pack_start(self._menu_content_separator)
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self._add_content()
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self.action_bar = PaletteActionBar()
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self._secondary_box.pack_start(self.action_bar)
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self.action_bar.show()
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self.add(palette_box)
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palette_box.show()
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# The menu is not shown here until an item is added
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self.menu = _Menu(self)
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self.menu.connect('item-inserted', self.__menu_item_inserted_cb)
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self.connect('realize', self.__realize_cb)
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self.connect('show', self.__show_cb)
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self.connect('hide', self.__hide_cb)
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self.connect('notify::invoker', self.__notify_invoker_cb)
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self.connect('destroy', self.__destroy_cb)
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def _invoker_right_click_cb(self, invoker):
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self.popup(immediate=True, state=self.SECONDARY)
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def do_style_set(self, previous_style):
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# Prevent a warning from pygtk
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if previous_style is not None:
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gtk.Window.do_style_set(self, previous_style)
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self.set_border_width(self.get_style().xthickness)
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def __menu_item_inserted_cb(self, menu):
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self._update_separators()
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def __destroy_cb(self, palette):
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self._secondary_anim.stop()
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self.popdown(immediate=True)
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# Break the reference cycle. It looks like the gc is not able to free
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# it, possibly because gtk.Menu memory handling is very special.
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self.menu.disconnect_by_func(self.__menu_item_inserted_cb)
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self.menu = None
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def __show_cb(self, widget):
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self.menu.set_active(True)
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def __hide_cb(self, widget):
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self.menu.set_active(False)
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self.menu.cancel()
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self._secondary_anim.stop()
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def __notify_invoker_cb(self, palette, pspec):
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invoker = self.props.invoker
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if invoker is not None and hasattr(invoker.props, 'widget'):
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self._update_accel_widget()
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self._invoker.connect('notify::widget',
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self.__invoker_widget_changed_cb)
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def __invoker_widget_changed_cb(self, invoker, spec):
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self._update_accel_widget()
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def get_full_size_request(self):
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return self._full_request
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def popup(self, immediate=False, state=None):
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if self._invoker is not None:
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self._update_full_request()
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PaletteWindow.popup(self, immediate)
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if state is None:
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state = self.PRIMARY
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self.set_palette_state(state)
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if state == self.PRIMARY:
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self._secondary_anim.start()
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else:
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self._secondary_anim.stop()
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def popdown(self, immediate=False):
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if immediate:
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self._secondary_anim.stop()
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self._popdown_submenus()
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# to suppress glitches while later re-opening
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self.set_palette_state(self.PRIMARY)
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PaletteWindow.popdown(self, immediate)
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def _popdown_submenus(self):
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# TODO explicit hiding of subitems
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# should be removed after fixing #1301
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if self.menu is not None:
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for menu_item in self.menu.get_children():
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if menu_item.props.submenu is not None:
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menu_item.props.submenu.popdown()
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def on_enter(self, event):
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PaletteWindow.on_enter(self, event)
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self._secondary_anim.start()
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def _add_menu(self):
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self._menu_box = gtk.VBox()
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self._secondary_box.pack_start(self._menu_box)
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self._menu_box.show()
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def _add_content(self):
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# The content is not shown until a widget is added
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self._content = gtk.VBox()
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self._content.set_border_width(style.DEFAULT_SPACING)
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self._secondary_box.pack_start(self._content)
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def _update_accel_widget(self):
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assert self.props.invoker is not None
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self._label.props.accel_widget = self.props.invoker.props.widget
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def set_primary_text(self, label, accel_path=None):
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self._primary_text = label
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if label is not None:
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self._label.set_markup('<b>%s</b>' % label)
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self._label.show()
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def get_primary_text(self):
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return self._primary_text
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primary_text = gobject.property(type=str,
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getter=get_primary_text,
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setter=set_primary_text)
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def set_secondary_text(self, label):
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if label is not None:
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label = label.split('\n', 1)[0]
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self._secondary_text = label
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if label is None:
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self._secondary_label.hide()
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else:
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self._secondary_label.set_text(label)
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self._secondary_label.show()
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def get_secondary_text(self):
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return self._secondary_text
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secondary_text = gobject.property(type=str, getter=get_secondary_text,
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setter=set_secondary_text)
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def _show_icon(self):
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self._label_alignment.set_padding(0, 0, 0, style.DEFAULT_SPACING)
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self._icon_box.show()
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def _hide_icon(self):
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self._icon_box.hide()
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self._label_alignment.set_padding(0, 0, style.DEFAULT_SPACING,
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style.DEFAULT_SPACING)
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def set_icon(self, icon):
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if icon is None:
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self._icon = None
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self._hide_icon()
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else:
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if self._icon:
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self._icon_box.remove(self._icon_box.get_children()[0])
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event_box = gtk.EventBox()
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event_box.connect('button-release-event',
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self.__icon_button_release_event_cb)
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self._icon_box.pack_start(event_box)
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event_box.show()
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self._icon = icon
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self._icon.props.icon_size = gtk.ICON_SIZE_LARGE_TOOLBAR
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event_box.add(self._icon)
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self._icon.show()
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self._show_icon()
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def get_icon(self):
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return self._icon
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icon = gobject.property(type=object, getter=get_icon, setter=set_icon)
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def __icon_button_release_event_cb(self, icon, event):
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self.emit('activate')
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def set_icon_visible(self, visible):
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self._icon_visible = visible
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if visible and self._icon is not None:
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self._show_icon()
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else:
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self._hide_icon()
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def get_icon_visible(self):
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return self._icon_visilbe
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icon_visible = gobject.property(type=bool,
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default=True,
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getter=get_icon_visible,
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setter=set_icon_visible)
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def set_content(self, widget):
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if len(self._content.get_children()) > 0:
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self._content.remove(self._content.get_children()[0])
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if widget is not None:
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self._content.add(widget)
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self._content.show()
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else:
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self._content.hide()
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self._update_accept_focus()
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self._update_separators()
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def do_size_request(self, requisition):
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PaletteWindow.do_size_request(self, requisition)
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# gtk.AccelLabel request doesn't include the accelerator.
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label_width = self._label_alignment.size_request()[0] + \
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self._label.get_accel_width() + \
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2 * self.get_border_width()
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requisition.width = max(requisition.width,
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label_width,
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self._full_request[0])
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def _update_separators(self):
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visible = len(self.menu.get_children()) > 0 or \
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len(self._content.get_children()) > 0
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self._separator.props.visible = visible
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visible = len(self.menu.get_children()) > 0 and \
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len(self._content.get_children()) > 0
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self._menu_content_separator.props.visible = visible
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def _update_accept_focus(self):
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accept_focus = len(self._content.get_children())
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if self.window:
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self.window.set_accept_focus(accept_focus)
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def __realize_cb(self, widget):
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self._update_accept_focus()
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def _update_full_request(self):
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if self._palette_state == self.PRIMARY:
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self.menu.embed(self._menu_box)
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self._secondary_box.show()
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self._full_request = self.size_request()
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if self._palette_state == self.PRIMARY:
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self.menu.unembed()
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self._secondary_box.hide()
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def _set_palette_state(self, state):
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if self._palette_state == state:
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return
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if state == self.PRIMARY:
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self.menu.unembed()
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self._secondary_box.hide()
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elif state == self.SECONDARY:
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self.menu.embed(self._menu_box)
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self._secondary_box.show()
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self.update_position()
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self._palette_state = state
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class PaletteActionBar(gtk.HButtonBox):
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def add_action(self, label, icon_name=None):
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button = gtk.Button(label)
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if icon_name:
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icon = Icon(icon_name)
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button.set_image(icon)
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icon.show()
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self.pack_start(button)
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button.show()
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class _Menu(_sugarext.Menu):
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__gtype_name__ = 'SugarPaletteMenu'
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__gsignals__ = {
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'item-inserted': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
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}
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def __init__(self, palette):
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_sugarext.Menu.__init__(self)
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self._palette = palette
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def do_insert(self, item, position):
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_sugarext.Menu.do_insert(self, item, position)
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self.emit('item-inserted')
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self.show()
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def attach(self, child, left_attach, right_attach,
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top_attach, bottom_attach):
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_sugarext.Menu.attach(self, child, left_attach, right_attach,
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top_attach, bottom_attach)
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self.emit('item-inserted')
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self.show()
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def do_expose_event(self, event):
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# Ignore the Menu expose, just do the MenuShell expose to prevent any
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# border from being drawn here. A border is drawn by the palette object
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# around everything.
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gtk.MenuShell.do_expose_event(self, event)
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def do_grab_notify(self, was_grabbed):
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# Ignore grab_notify as the menu would close otherwise
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pass
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def do_deactivate(self):
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self._palette.hide()
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class _SecondaryAnimation(animator.Animation):
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def __init__(self, palette):
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animator.Animation.__init__(self, 0.0, 1.0)
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self._palette = palette
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def next_frame(self, current):
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if current == 1.0:
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self._palette.set_palette_state(Palette.SECONDARY)
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