# Copyright (C) 2006, Red Hat, Inc. # Copyright (C) 2011, One Laptop Per Child # Copyright (C) 2009, Tomeu Vizoso, Simon Schampijer # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA from gi.repository import GObject from gi.repository import Gtk from gi.repository import Gdk from sugar3.graphics.icon import Icon, EventIcon from sugar3.graphics.tray import HTray from sugar3.graphics import style from sugar3.graphics.xocolor import XoColor from sugar3.graphics.palette import Palette class TabAdd(Gtk.HBox): __gtype_name__ = 'BrowseTabAdd' tab_added = GObject.Signal('tab-added', arg_types=[str]) def __init__(self): GObject.GObject.__init__(self) add_tab_icon = Icon(icon_name='add') button = Gtk.Button() button.drag_dest_set(0, [], 0) button.props.relief = Gtk.ReliefStyle.NONE button.props.focus_on_click = False icon_box = Gtk.HBox() icon_box.pack_start(add_tab_icon, True, False, 0) button.add(icon_box) button.connect('clicked', self.__button_clicked_cb) button.connect('drag-data-received', self.__drag_cb) button.connect('drag-motion', self.__drag_motion_cb) button.connect('drag-drop', self.__drag_drop_cb) button.set_name('browse-tab-add') self.pack_start(button, True, True, 0) add_tab_icon.show() icon_box.show() button.show() def __drag_motion_cb(self, widget, context, x, y, time): Gdk.drag_status(context, Gdk.DragAction.MOVE, time) return True def __drag_drop_cb(self, widget, context, x, y, time): context_targets = context.list_targets() for target in context_targets: if str(target) not in ('TIMESTAMP', 'TARGETS', 'MULTIPLE'): widget.drag_get_data(context, target, time) return True def __drag_cb(self, widget, drag_context, x, y, data, info, time): uris = data.get_uris() for uri in uris: self.tab_added.emit(uri) def __button_clicked_cb(self, button): self.tab_added.emit(None) class BrowserNotebook(Gtk.Notebook): __gtype_name__ = 'BrowseNotebook' """Handle an extra tab at the end with an Add Tab button.""" def __init__(self): GObject.GObject.__init__(self) tab_add = TabAdd() tab_add.connect('tab-added', self.on_add_tab) self.set_action_widget(tab_add, Gtk.PackType.END) tab_add.show() def on_add_tab(self, obj, uri): raise NotImplementedError("implement this in the subclass") screen = Gdk.Screen.get_default() css_provider = Gtk.CssProvider.get_default() css = (''' @define-color button_grey #808080; .TitledTray-top-bar {{ color: white; background: @button_grey; min-height: {cell2over5}px; }} .TitledTray-top-bar label {{ color: white; }} '''.format( cell2over5=(style.GRID_CELL_SIZE*2)/5 )) try: css_provider.load_from_data(css) except: pass # Gtk+ 3.18.9 does not have min-height context = Gtk.StyleContext() context.add_provider_for_screen(screen, css_provider, Gtk.STYLE_PROVIDER_PRIORITY_USER) class TitledTray(Gtk.Box): ''' This is a tray that has a title bar. The title bar has buttons. Args: title (str): title of the tray ''' def __init__(self, title): Gtk.Box.__init__(self, orientation=Gtk.Orientation.VERTICAL) self._top_event_box = Gtk.EventBox() self._top_event_box.add_events(Gdk.EventMask.BUTTON_PRESS_MASK | Gdk.EventMask.TOUCH_MASK | Gdk.EventMask.BUTTON_RELEASE_MASK) self.add(self._top_event_box) self._top_event_box.connect('button-release-event', self.__top_event_box_release_cb) self._top_event_box.show() self._top_bar = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, halign=Gtk.Align.CENTER) self._top_bar.get_style_context().add_class('TitledTray-top-bar') self._top_bar.set_size_request(-1, (style.GRID_CELL_SIZE*3)/5) self._top_event_box.add(self._top_bar) self._top_bar.show() self._title = Gtk.Label(label=title) self._top_bar.add(self._title) self._title.show() self._hide = self.add_button('go-down', 'Hide') self._show = self.add_button('go-up', 'Show') self._show.hide() self._revealer = Gtk.Revealer(reveal_child=True) self.add(self._revealer) self._revealer.show() self.tray = HTray() self._revealer.add(self.tray) self.tray.show() def __top_event_box_release_cb(self, widget, event): alloc = widget.get_allocation() if 0 < event.x < alloc.width and 0 < event.y < alloc.height: self.toggle_expanded() def toggle_expanded(self): if self._revealer.props.reveal_child: self._revealer.props.reveal_child = False self._hide.hide() self._show.show() else: self._revealer.props.reveal_child = True self._hide.show() self._show.hide() def add_button(self, icon_name, description, clicked_cb=None): icon = EventIcon(icon_name=icon_name, pixel_size=(style.GRID_CELL_SIZE*2)/5, xo_color=XoColor('#ffffff,#ffffff')) icon.props.palette = Palette(description) self._top_bar.add(icon) if clicked_cb: def closure(widget, event): alloc = widget.get_allocation() if 0 < event.x < alloc.width and 0 < event.y < alloc.height: clicked_cb(widget) icon.connect('button-release-event', closure) icon.show() return icon