configwindow.py 文件源码

def create_interval_accels_config(self, parent):
        it, page_vbox = self.new_page_box(parent, _("Interval keyboard accelerators"))
        self.g_interval_accels = Gtk.ListStore(GObject.TYPE_STRING,
            GObject.TYPE_STRING)
        intervals = ['minor2', 'major2', 'minor3', 'major3',
                     'perfect4', 'diminished5', 'perfect5', 'minor6',
                     'major6', 'minor7', 'major7', 'perfect8',
                     'minor9', 'major9', 'minor10', 'major10']
        for interval in intervals:
            self.g_interval_accels.append((
                mpd.Interval.new_from_int(intervals.index(interval)).get_name(),
                cfg.get_string('interval_input/%s' % interval)))
        self.g_intervals_treeview = Gtk.TreeView(self.g_interval_accels)
        renderer = Gtk.CellRendererText()
        column = Gtk.TreeViewColumn(_("Interval"), renderer, text=0)
        self.g_intervals_treeview.append_column(column)
        renderer = Gtk.CellRendererAccel()
        renderer.set_property('editable', True)

        def acc_ff(renderer, path, accel_key, accel_mods, hw_key):
            is_unique = True
            for interval in intervals:
                if (interval != intervals[int(path)]
                    and cfg.get_string('interval_input/%s' % interval) == unichr(accel_key)):
                    is_unique = False
                    break

            if not is_unique:
                gu.dialog_ok(_(u"The accelerator in use for “%s”. You have to choose another key.") % mpd.Interval.new_from_int(intervals.index(interval)).get_name(), parent=self, msgtype=Gtk.MessageType.ERROR)
                return
            it = self.g_interval_accels.get_iter(path)
            cfg.set_string('interval_input/%s' % intervals[int(path)], unichr(accel_key))
            self.g_interval_accels.set(it, 1, unichr(accel_key))
            return True
        renderer.connect('accel-edited', acc_ff)
        column = Gtk.TreeViewColumn(_i("keyboard|Key"), renderer, text=1)
        self.g_intervals_treeview.append_column(column)
        page_vbox.pack_start(self.g_intervals_treeview, True, True, 0)
        hbox = Gtk.HBox()
        page_vbox.pack_start(hbox, False, False, 0)
        layouts = {'ascii': (_('ASCII'), u'1qaz2wsx3edc4rfv'),
                   'dvorak': (_('Dvorak'), u"1'a;2,oq3.ej4puk"),
        }

        def set_buttons(widget, layout):
            v = layouts[layout][1]
            idx = 0
            it = self.g_interval_accels.get_iter_first()
            while True:
                self.g_interval_accels.set_value(it, 1, v[idx])
                cfg.set_string('interval_input/%s' % intervals[idx], v[idx])
                it = self.g_interval_accels.iter_next(it)
                idx += 1

                if not it:
                    break
        for key in layouts:
            btn = Gtk.Button(layouts[key][0])
            btn.connect('clicked', set_buttons, key)
            hbox.pack_start(btn, True, True, 0)