dbe32ec7cf
Make the first item of the menu a custom class, to make the children widget allocate using all the available space. And so it can be styled in the theme. Remove the set_sensitive(False) from the header item, because the icon was greyed out. This was to make it an informational, unclickeable item. I am making it look like an informational item in the theme instead. This has the problem that its still navigateable with keyboard and clickeable, so it has to be fixed later. Add a separator below the header. Is a custom class so it can be styled in the theme. Signed-off-by: Manuel Quiñones <manuq@laptop.org> Acked-by: Simon Schampijer <simon@laptop.org>
447 lines
14 KiB
Python
447 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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# Copyright (C) 2011, Benjamin Berg <benjamin@sipsolutions.net>
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# Copyright (C) 2011, Marco Pesenti Gritti <marco@marcopg.org>
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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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from gi.repository import Gtk
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from gi.repository import GObject
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from gi.repository 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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_PaletteWindowWidget, _PaletteMenuWidget
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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, CursorInvoker, ToolInvoker, CellRendererInvoker
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class _HeaderItem(Gtk.MenuItem):
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"""A MenuItem with a custom child widget that gets all the
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available space.
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"""
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__gtype_name__ = 'SugarPaletteHeader'
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def __init__(self, widget):
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Gtk.MenuItem.__init__(self)
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if self.get_child() is not None:
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self.remove(self.get_child())
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self.add(widget)
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# FIXME we have to mark it as insensitive again to make it an
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# informational element, when we realize how to get the icon
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# displayed correctly - SL #3836
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# self.set_sensitive(False)
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def do_size_allocate(self, allocation):
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self.set_allocation(allocation)
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self.get_child().size_allocate(allocation)
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class _HeaderSeparator(Gtk.SeparatorMenuItem):
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"""A SeparatorMenuItem that can be styled in the theme."""
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__gtype_name__ = 'SugarPaletteHeaderSeparator'
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def __init__(self):
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Gtk.SeparatorMenuItem.__init__(self)
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class Palette(PaletteWindow):
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"""Floating palette implementation.
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This class dynamically switches between one of two encapsulated child
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widget types: a _PaletteWindowWidget or a _PaletteMenuWidget.
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The window widget, created by default, acts as the container for any
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type of widget the user may wish to add. It can optionally display primary
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text, secondary text, and an icon at the top of the palette.
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If the user attempts to access the 'menu' property, the window widget is
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destroyed and the palette is dynamically switched to use a menu widget.
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This is a GtkMenu that retains the same look and feel as a normal palette,
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allowing submenus and so on. If primary text, secondary text and/or icons
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were provided, an initial menu entry is created containing widgets to
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display such information.
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"""
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PRIMARY = 0
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SECONDARY = 1
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__gsignals__ = {
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'activate': (GObject.SignalFlags.RUN_FIRST, None, ([])),
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}
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__gtype_name__ = 'SugarPalette'
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def __init__(self, label=None, accel_path=None,
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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
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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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self._primary_box = Gtk.HBox()
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self._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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self._primary_box.pack_start(self._icon_box, False, True, 0)
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labels_box = Gtk.VBox()
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self._label_alignment = Gtk.Alignment(xalign=0, yalign=0.5, xscale=1,
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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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self._primary_box.pack_start(self._label_alignment, True, True, 0)
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labels_box.show()
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self._label = Gtk.AccelLabel(label='')
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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.EllipsizeMode.MIDDLE)
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labels_box.pack_start(self._label, True, True, 0)
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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.EllipsizeMode.END)
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labels_box.pack_start(self._secondary_label, True, True, 0)
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self._secondary_box = Gtk.VBox()
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self._separator = Gtk.HSeparator()
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self._secondary_box.pack_start(self._separator, True, True, 0)
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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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self._full_request = [0, 0]
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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_content()
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self.action_bar = PaletteActionBar()
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self._secondary_box.pack_start(self.action_bar, True, True, 0)
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self.action_bar.show()
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self.connect('notify::invoker', self.__notify_invoker_cb)
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self.connect('popdown', self.__popdown_cb)
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# Default to a normal window palette
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self._content_widget = None
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self.set_content(None)
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def _setup_widget(self):
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PaletteWindow._setup_widget(self)
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self._widget.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 __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._widget = None
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def __popdown_cb(self, widget):
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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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# to suppress glitches while later re-opening
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self.set_palette_state(self.PRIMARY)
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if self._widget:
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self._widget.size_request()
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PaletteWindow.popdown(self, immediate)
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def on_enter(self):
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PaletteWindow.on_enter(self)
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self._secondary_anim.start()
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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, True, True, 0)
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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, True, True, 0)
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event_box.show()
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self._icon = icon
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self._icon.props.icon_size = Gtk.IconSize.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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assert self._widget is None \
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or isinstance(self._widget, _PaletteWindowWidget)
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if self._widget is None:
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self._widget = _PaletteWindowWidget(self)
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self._setup_widget()
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self._palette_box = Gtk.VBox()
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self._palette_box.pack_start(self._primary_box, False, True, 0)
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self._palette_box.pack_start(self._secondary_box, True, True, 0)
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self._widget.add(self._palette_box)
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self._palette_box.show()
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height = style.GRID_CELL_SIZE - 2 * self._widget.get_border_width()
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self._primary_box.set_size_request(-1, height)
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if self._content.get_children():
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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._content_widget = widget
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self._update_accept_focus()
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self._update_separators()
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def get_label_width(self):
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# Gtk.AccelLabel request doesn't include the accelerator.
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label_width = self._label_alignment.get_preferred_width()[1] + \
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self._label.get_accel_width()
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return label_width
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def _update_separators(self):
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visible = self._content.get_children()
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self._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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self._widget.set_accept_focus(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._secondary_box.show()
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self._full_request = self._widget.size_request()
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if self._palette_state == self.PRIMARY:
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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._secondary_box.hide()
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elif state == self.SECONDARY:
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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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def get_menu(self):
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assert self._content_widget is None
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if self._widget is None \
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or not isinstance(self._widget, _PaletteMenuWidget):
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if self._widget is not None:
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self._palette_box.remove(self._primary_box)
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self._palette_box.remove(self._secondary_box)
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self._teardown_widget()
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self._widget.destroy()
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self._widget = _PaletteMenuWidget()
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self._label_menuitem = _HeaderItem(self._primary_box)
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self._label_menuitem.show()
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self._widget.append(self._label_menuitem)
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separator = _HeaderSeparator()
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self._widget.append(separator)
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separator.show()
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self._setup_widget()
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return self._widget
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menu = GObject.property(type=object, getter=get_menu)
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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, True, True, 0)
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button.show()
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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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