class WindowScalingFactorTweak(Gtk.Box, Tweak):
    def __init__(self, **options):
        Gtk.Box.__init__(self, orientation=Gtk.Orientation.HORIZONTAL)
        Tweak.__init__(self, _("Window scaling"), _("Adjust GDK window scaling factor for HiDPI"), **options)

        self._xsettings = XSettingsOverrides()

        adjustment = Gtk.Adjustment(lower=1, upper=2, step_increment=1, page_increment=1)
        w = Gtk.SpinButton()
        w.set_adjustment(adjustment)
        w.set_digits(0)
        adjustment.set_value(self._xsettings.get_window_scaling_factor())
        w.connect("value-changed", self._on_value_changed)

        build_label_beside_widget(self.name, w, hbox=self)
        self.widget_for_size_group = w

    def _on_value_changed(self, adj):
        self._xsettings.set_window_scaling_factor(adj.get_value())
Example #2
0
class WindowScalingFactorTweak(Gtk.Box, Tweak):
    def __init__(self, **options):
        Gtk.Box.__init__(self, orientation=Gtk.Orientation.HORIZONTAL)
        Tweak.__init__(self, _("Window scaling"),
                       _("Adjust GDK window scaling factor for HiDPI"),
                       **options)

        self._xsettings = XSettingsOverrides()

        adjustment = Gtk.Adjustment(lower=1,
                                    upper=2,
                                    step_increment=1,
                                    page_increment=1)
        w = Gtk.SpinButton()
        w.set_adjustment(adjustment)
        w.set_digits(0)
        adjustment.set_value(self._xsettings.get_window_scaling_factor())
        w.connect("value-changed", self._on_value_changed)

        build_label_beside_widget(self.name, w, hbox=self)
        self.widget_for_size_group = w

    def _on_value_changed(self, adj):
        self._xsettings.set_window_scaling_factor(adj.get_value())
class WindowScalingFactorTweak(Gtk.Box, Tweak):
    def __init__(self, **options):
        Gtk.Box.__init__(self, orientation=Gtk.Orientation.HORIZONTAL)
        Tweak.__init__(self, _("Window scaling"), _("Adjust GDK window scaling factor for HiDPI"), **options)

        self._xsettings = XSettingsOverrides()
        self._original_factor = self._xsettings.get_window_scaling_factor()

        adjustment = Gtk.Adjustment(lower=1, upper=2, step_increment=1, page_increment=1)
        w = Gtk.SpinButton()
        w.set_adjustment(adjustment)
        w.set_digits(0)
        adjustment.set_value(self._xsettings.get_window_scaling_factor())
        w.connect("value-changed", self._on_value_changed)

        build_label_beside_widget(self.name, w, hbox=self)
        self.widget_for_size_group = w

    def _timeout_func (self):
        self._countdown -= 1

        if self._countdown == 0:
            self._source = 0
            self._dialog.response(Gtk.ResponseType.NO)
            return False

        self._update_countdown_message()
        self._dialog.format_secondary_text(self._second_message % self._countdown)
        return True

    def _update_countdown_message(self):
        self._second_message = gettext.ngettext("Settings will be reverted in %d second",
                                                "Settings will be reverted in %d seconds",
                                                self._countdown)

    def _close(self):
        if self._source > 0:
            GLib.Source.remove(self._source)
            self._source = 0

    def _on_value_changed(self, adj):
        if adj.get_value() == self._original_factor:
            return

        self._xsettings.set_window_scaling_factor(adj.get_value())
        self._countdown = 20

        first_message = _("Do you want to keep these HiDPI settings?")
        self._update_countdown_message()

        self._dialog = Gtk.MessageDialog(
                               transient_for=self.main_window,
                               message_type=Gtk.MessageType.QUESTION,
                               text=first_message)
        self._dialog.add_buttons(_("Revert Settings"), Gtk.ResponseType.NO,
                                _("Keep Changes"), Gtk.ResponseType.YES)
        self._dialog.format_secondary_text(self._second_message % self._countdown)

        self._source = GLib.timeout_add_seconds(interval=1, function=self._timeout_func)

        response = self._dialog.run()

        if response == Gtk.ResponseType.YES:
            self._original_factor = self._xsettings.get_window_scaling_factor()
        else:
            self._xsettings.set_window_scaling_factor(self._original_factor)
            adj.set_value(self._original_factor)

        self._close()
        self._dialog.destroy()