Trait webkit2gtk::SettingsExt

source ·

pub trait SettingsExt: IsA<Settings> + Sealed + 'static {
Show 184 methods    // Provided methods
    fn allows_file_access_from_file_urls(&self) -> bool { ... }
    fn allows_modal_dialogs(&self) -> bool { ... }
    fn allows_top_navigation_to_data_urls(&self) -> bool { ... }
    fn allows_universal_access_from_file_urls(&self) -> bool { ... }
    fn is_auto_load_images(&self) -> bool { ... }
    fn cursive_font_family(&self) -> Option<GString> { ... }
    fn default_charset(&self) -> Option<GString> { ... }
    fn default_font_family(&self) -> Option<GString> { ... }
    fn default_font_size(&self) -> u32 { ... }
    fn default_monospace_font_size(&self) -> u32 { ... }
    fn is_disable_web_security(&self) -> bool { ... }
    fn draws_compositing_indicators(&self) -> bool { ... }
    fn enables_accelerated_2d_canvas(&self) -> bool { ... }
    fn enables_back_forward_navigation_gestures(&self) -> bool { ... }
    fn enables_caret_browsing(&self) -> bool { ... }
    fn enables_developer_extras(&self) -> bool { ... }
    fn enables_dns_prefetching(&self) -> bool { ... }
    fn enables_encrypted_media(&self) -> bool { ... }
    fn enables_frame_flattening(&self) -> bool { ... }
    fn enables_fullscreen(&self) -> bool { ... }
    fn enables_html5_database(&self) -> bool { ... }
    fn enables_html5_local_storage(&self) -> bool { ... }
    fn enables_hyperlink_auditing(&self) -> bool { ... }
    fn enables_java(&self) -> bool { ... }
    fn enables_javascript(&self) -> bool { ... }
    fn enables_javascript_markup(&self) -> bool { ... }
    fn enables_media(&self) -> bool { ... }
    fn enables_media_capabilities(&self) -> bool { ... }
    fn enables_media_stream(&self) -> bool { ... }
    fn enables_mediasource(&self) -> bool { ... }
    fn enables_mock_capture_devices(&self) -> bool { ... }
    fn enables_offline_web_application_cache(&self) -> bool { ... }
    fn enables_page_cache(&self) -> bool { ... }
    fn enables_plugins(&self) -> bool { ... }
    fn enables_private_browsing(&self) -> bool { ... }
    fn enables_resizable_text_areas(&self) -> bool { ... }
    fn enables_site_specific_quirks(&self) -> bool { ... }
    fn enables_smooth_scrolling(&self) -> bool { ... }
    fn enables_spatial_navigation(&self) -> bool { ... }
    fn enables_tabs_to_links(&self) -> bool { ... }
    fn enables_webaudio(&self) -> bool { ... }
    fn enables_webgl(&self) -> bool { ... }
    fn enables_webrtc(&self) -> bool { ... }
    fn enables_write_console_messages_to_stdout(&self) -> bool { ... }
    fn enables_xss_auditor(&self) -> bool { ... }
    fn fantasy_font_family(&self) -> Option<GString> { ... }
    fn hardware_acceleration_policy(&self) -> HardwareAccelerationPolicy { ... }
    fn is_javascript_can_access_clipboard(&self) -> bool { ... }
    fn is_javascript_can_open_windows_automatically(&self) -> bool { ... }
    fn is_load_icons_ignoring_image_load_setting(&self) -> bool { ... }
    fn media_content_types_requiring_hardware_support(&self) -> Option<GString> { ... }
    fn is_media_playback_allows_inline(&self) -> bool { ... }
    fn is_media_playback_requires_user_gesture(&self) -> bool { ... }
    fn minimum_font_size(&self) -> u32 { ... }
    fn monospace_font_family(&self) -> Option<GString> { ... }
    fn pictograph_font_family(&self) -> Option<GString> { ... }
    fn is_print_backgrounds(&self) -> bool { ... }
    fn sans_serif_font_family(&self) -> Option<GString> { ... }
    fn serif_font_family(&self) -> Option<GString> { ... }
    fn user_agent(&self) -> Option<GString> { ... }
    fn is_zoom_text_only(&self) -> bool { ... }
    fn set_allow_file_access_from_file_urls(&self, allowed: bool) { ... }
    fn set_allow_modal_dialogs(&self, allowed: bool) { ... }
    fn set_allow_top_navigation_to_data_urls(&self, allowed: bool) { ... }
    fn set_allow_universal_access_from_file_urls(&self, allowed: bool) { ... }
    fn set_auto_load_images(&self, enabled: bool) { ... }
    fn set_cursive_font_family(&self, cursive_font_family: &str) { ... }
    fn set_default_charset(&self, default_charset: &str) { ... }
    fn set_default_font_family(&self, default_font_family: &str) { ... }
    fn set_default_font_size(&self, font_size: u32) { ... }
    fn set_default_monospace_font_size(&self, font_size: u32) { ... }
    fn set_disable_web_security(&self, disabled: bool) { ... }
    fn set_draw_compositing_indicators(&self, enabled: bool) { ... }
    fn set_enable_accelerated_2d_canvas(&self, enabled: bool) { ... }
    fn set_enable_back_forward_navigation_gestures(&self, enabled: bool) { ... }
    fn set_enable_caret_browsing(&self, enabled: bool) { ... }
    fn set_enable_developer_extras(&self, enabled: bool) { ... }
    fn set_enable_dns_prefetching(&self, enabled: bool) { ... }
    fn set_enable_encrypted_media(&self, enabled: bool) { ... }
    fn set_enable_frame_flattening(&self, enabled: bool) { ... }
    fn set_enable_fullscreen(&self, enabled: bool) { ... }
    fn set_enable_html5_database(&self, enabled: bool) { ... }
    fn set_enable_html5_local_storage(&self, enabled: bool) { ... }
    fn set_enable_hyperlink_auditing(&self, enabled: bool) { ... }
    fn set_enable_java(&self, enabled: bool) { ... }
    fn set_enable_javascript(&self, enabled: bool) { ... }
    fn set_enable_javascript_markup(&self, enabled: bool) { ... }
    fn set_enable_media(&self, enabled: bool) { ... }
    fn set_enable_media_capabilities(&self, enabled: bool) { ... }
    fn set_enable_media_stream(&self, enabled: bool) { ... }
    fn set_enable_mediasource(&self, enabled: bool) { ... }
    fn set_enable_mock_capture_devices(&self, enabled: bool) { ... }
    fn set_enable_offline_web_application_cache(&self, enabled: bool) { ... }
    fn set_enable_page_cache(&self, enabled: bool) { ... }
    fn set_enable_plugins(&self, enabled: bool) { ... }
    fn set_enable_private_browsing(&self, enabled: bool) { ... }
    fn set_enable_resizable_text_areas(&self, enabled: bool) { ... }
    fn set_enable_site_specific_quirks(&self, enabled: bool) { ... }
    fn set_enable_smooth_scrolling(&self, enabled: bool) { ... }
    fn set_enable_spatial_navigation(&self, enabled: bool) { ... }
    fn set_enable_tabs_to_links(&self, enabled: bool) { ... }
    fn set_enable_webaudio(&self, enabled: bool) { ... }
    fn set_enable_webgl(&self, enabled: bool) { ... }
    fn set_enable_webrtc(&self, enabled: bool) { ... }
    fn set_enable_write_console_messages_to_stdout(&self, enabled: bool) { ... }
    fn set_enable_xss_auditor(&self, enabled: bool) { ... }
    fn set_fantasy_font_family(&self, fantasy_font_family: &str) { ... }
    fn set_hardware_acceleration_policy(
        &self,
        policy: HardwareAccelerationPolicy
    ) { ... }
    fn set_javascript_can_access_clipboard(&self, enabled: bool) { ... }
    fn set_javascript_can_open_windows_automatically(&self, enabled: bool) { ... }
    fn set_load_icons_ignoring_image_load_setting(&self, enabled: bool) { ... }
    fn set_media_content_types_requiring_hardware_support(
        &self,
        content_types: Option<&str>
    ) { ... }
    fn set_media_playback_allows_inline(&self, enabled: bool) { ... }
    fn set_media_playback_requires_user_gesture(&self, enabled: bool) { ... }
    fn set_minimum_font_size(&self, font_size: u32) { ... }
    fn set_monospace_font_family(&self, monospace_font_family: &str) { ... }
    fn set_pictograph_font_family(&self, pictograph_font_family: &str) { ... }
    fn set_print_backgrounds(&self, print_backgrounds: bool) { ... }
    fn set_sans_serif_font_family(&self, sans_serif_font_family: &str) { ... }
    fn set_serif_font_family(&self, serif_font_family: &str) { ... }
    fn set_user_agent(&self, user_agent: Option<&str>) { ... }
    fn set_user_agent_with_application_details(
        &self,
        application_name: Option<&str>,
        application_version: Option<&str>
    ) { ... }
    fn set_zoom_text_only(&self, zoom_text_only: bool) { ... }
    fn connect_allow_file_access_from_file_urls_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_allow_modal_dialogs_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_allow_top_navigation_to_data_urls_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_allow_universal_access_from_file_urls_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_auto_load_images_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_cursive_font_family_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_default_charset_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_default_font_family_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_default_font_size_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_default_monospace_font_size_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_disable_web_security_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_draw_compositing_indicators_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_accelerated_2d_canvas_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_back_forward_navigation_gestures_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_caret_browsing_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_developer_extras_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_dns_prefetching_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_encrypted_media_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_frame_flattening_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_fullscreen_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_html5_database_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_html5_local_storage_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_hyperlink_auditing_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_java_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_javascript_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_javascript_markup_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_media_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_media_capabilities_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_media_stream_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_mediasource_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_mock_capture_devices_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_offline_web_application_cache_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_page_cache_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_plugins_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_private_browsing_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_resizable_text_areas_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_site_specific_quirks_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_smooth_scrolling_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_spatial_navigation_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_tabs_to_links_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_webaudio_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_webgl_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_webrtc_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_write_console_messages_to_stdout_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_enable_xss_auditor_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_fantasy_font_family_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_hardware_acceleration_policy_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_javascript_can_access_clipboard_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_javascript_can_open_windows_automatically_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_load_icons_ignoring_image_load_setting_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_media_content_types_requiring_hardware_support_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_media_playback_allows_inline_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_media_playback_requires_user_gesture_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_minimum_font_size_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_monospace_font_family_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_pictograph_font_family_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_print_backgrounds_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_sans_serif_font_family_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_serif_font_family_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_user_agent_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
    fn connect_zoom_text_only_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId { ... }
}

Provided Methods§

source

fn allows_file_access_from_file_urls(&self) -> bool

Available on crate feature v2_10 only.

source

fn allows_modal_dialogs(&self) -> bool

source

fn allows_top_navigation_to_data_urls(&self) -> bool

Available on crate feature v2_28 only.

source

fn allows_universal_access_from_file_urls(&self) -> bool

Available on crate feature v2_14 only.

source

fn is_disable_web_security(&self) -> bool

Available on crate feature v2_40 only.

source

fn draws_compositing_indicators(&self) -> bool

source

fn enables_accelerated_2d_canvas(&self) -> bool

👎Deprecated: Since 2.32

Available on crate feature v2_2 only.

source

fn enables_back_forward_navigation_gestures(&self) -> bool

Available on crate feature v2_24 only.

source

fn enables_caret_browsing(&self) -> bool

source

fn enables_developer_extras(&self) -> bool

source

fn enables_dns_prefetching(&self) -> bool

source

fn enables_encrypted_media(&self) -> bool

Available on crate feature v2_20 only.

source

fn enables_frame_flattening(&self) -> bool

👎Deprecated: Since 2.38

source

fn enables_fullscreen(&self) -> bool

source

fn enables_html5_database(&self) -> bool

source

fn enables_html5_local_storage(&self) -> bool

source

fn enables_hyperlink_auditing(&self) -> bool

source

fn enables_java(&self) -> bool

👎Deprecated: Since 2.38

source

fn enables_javascript(&self) -> bool

source

fn enables_javascript_markup(&self) -> bool

Available on crate feature v2_24 only.

source

fn enables_media(&self) -> bool

Available on crate feature v2_26 only.

source

fn enables_media_capabilities(&self) -> bool

Available on crate feature v2_22 only.

source

fn enables_media_stream(&self) -> bool

Available on crate feature v2_4 only.

source

fn enables_mediasource(&self) -> bool

Available on crate feature v2_4 only.

source

fn enables_mock_capture_devices(&self) -> bool

Available on crate feature v2_24 only.

source

fn enables_offline_web_application_cache(&self) -> bool

source

fn enables_page_cache(&self) -> bool

source

fn enables_plugins(&self) -> bool

👎Deprecated: Since 2.32

source

fn enables_private_browsing(&self) -> bool

👎Deprecated: Since 2.16

source

fn enables_resizable_text_areas(&self) -> bool

source

fn enables_site_specific_quirks(&self) -> bool

source

fn enables_smooth_scrolling(&self) -> bool

source

fn enables_spatial_navigation(&self) -> bool

Available on crate feature v2_2 only.

source

fn enables_tabs_to_links(&self) -> bool

source

fn enables_webaudio(&self) -> bool

source

fn enables_webgl(&self) -> bool

source

fn enables_webrtc(&self) -> bool

Available on crate feature v2_38 only.

source

fn enables_write_console_messages_to_stdout(&self) -> bool

Available on crate feature v2_2 only.

source

fn enables_xss_auditor(&self) -> bool

👎Deprecated: Since 2.38

source

fn fantasy_font_family(&self) -> Option<GString>

source

fn hardware_acceleration_policy(&self) -> HardwareAccelerationPolicy

Available on crate feature v2_16 only.

source

fn is_javascript_can_access_clipboard(&self) -> bool

source

fn is_javascript_can_open_windows_automatically(&self) -> bool

source

fn is_load_icons_ignoring_image_load_setting(&self) -> bool

source

fn media_content_types_requiring_hardware_support(&self) -> Option<GString>

Available on crate feature v2_30 only.

source

fn is_media_playback_allows_inline(&self) -> bool

source

fn is_media_playback_requires_user_gesture(&self) -> bool

source

fn minimum_font_size(&self) -> u32

source

fn monospace_font_family(&self) -> Option<GString>

source

fn pictograph_font_family(&self) -> Option<GString>

source

fn is_print_backgrounds(&self) -> bool

source

fn sans_serif_font_family(&self) -> Option<GString>

source

fn serif_font_family(&self) -> Option<GString>

source

fn user_agent(&self) -> Option<GString>

source

fn is_zoom_text_only(&self) -> bool

source

fn set_allow_file_access_from_file_urls(&self, allowed: bool)

Available on crate feature v2_10 only.

source

fn set_allow_modal_dialogs(&self, allowed: bool)

source

fn set_allow_top_navigation_to_data_urls(&self, allowed: bool)

Available on crate feature v2_28 only.

source

fn set_allow_universal_access_from_file_urls(&self, allowed: bool)

Available on crate feature v2_14 only.

source

fn set_auto_load_images(&self, enabled: bool)

source

fn set_cursive_font_family(&self, cursive_font_family: &str)

source

fn set_default_charset(&self, default_charset: &str)

source

fn set_default_font_family(&self, default_font_family: &str)

source

fn set_default_font_size(&self, font_size: u32)

source

fn set_default_monospace_font_size(&self, font_size: u32)

source

fn set_disable_web_security(&self, disabled: bool)

Available on crate feature v2_40 only.

source

fn set_draw_compositing_indicators(&self, enabled: bool)

source

fn set_enable_accelerated_2d_canvas(&self, enabled: bool)

👎Deprecated: Since 2.32

Available on crate feature v2_2 only.

source

fn set_enable_back_forward_navigation_gestures(&self, enabled: bool)

Available on crate feature v2_24 only.

source

fn set_enable_caret_browsing(&self, enabled: bool)

source

fn set_enable_developer_extras(&self, enabled: bool)

Examples found in repository ?

examples/main.rs (line 51)

fn main() {
  gtk::init().unwrap();

  let window = Window::new(WindowType::Toplevel);
  let context = WebContext::default().unwrap();
  #[cfg(feature = "v2_4")]
  context.set_web_extensions_initialization_user_data(&"webkit".to_variant());
  context.set_web_extensions_directory("../webkit2gtk-webextension-rs/example/target/debug/");
  #[cfg(feature = "v2_6")]
  let webview =
    WebView::new_with_context_and_user_content_manager(&context, &UserContentManager::new());
  #[cfg(not(feature = "v2_6"))]
  let webview = WebView::with_context(&context);
  webview.load_uri("https://crates.io/");
  window.add(&webview);

  let settings = WebViewExt::settings(&webview).unwrap();
  settings.set_enable_developer_extras(true);

  /*let inspector = webview.get_inspector().unwrap();
  inspector.show();*/

  window.show_all();

  webview.run_javascript("alert('Hello');", None::<&gio::Cancellable>, |_result| {});
  #[cfg(feature = "v2_22")]
  webview.run_javascript("42", None::<&gio::Cancellable>, |result| match result {
    Ok(result) => {
      use java_script_core::ValueExt;
      let value = result.js_value().unwrap();
      println!("is_boolean: {}", value.is_boolean());
      println!("is_number: {}", value.is_number());
      println!("{:?}", value.to_int32());
      println!("{:?}", value.to_boolean());
    }
    Err(error) => println!("{}", error),
  });

  window.connect_delete_event(|_, _| {
    gtk::main_quit();
    glib::Propagation::Proceed
  });

  gtk::main();
}