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()