Userland: Replace all uses of load_from_gml with try_load_from_gml

MOAR FIXMES! ;^)
Author: https://github.com/AtkinsSJ Commit: https://github.com/SerenityOS/serenity/commit/54b1326165 Pull-request: https://github.com/SerenityOS/serenity/pull/16883
2024-12-04 05:20:30 +00:00 · 2023-01-07 12:33:53 +00:00 · 2023-01-07 12:33:53 +00:00 · 54b1326165 · 2024-07-17 02:00:42 +09:00
commit 54b1326165
parent 703da34947
78 changed files with 94 additions and 111 deletions
--- a/Userland/Applications/Browser/BookmarksBarWidget.cpp
+++ b/Userland/Applications/Browser/BookmarksBarWidget.cpp
@ -48,8 +48,7 @@ private:
        : Dialog(parent_window)
    {
        auto widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-        if (!widget->load_from_gml(edit_bookmark_gml))
-            VERIFY_NOT_REACHED();
+        widget->try_load_from_gml(edit_bookmark_gml).release_value_but_fixme_should_propagate_errors();

        set_resizable(false);
        resize(260, 85);
--- a/Userland/Applications/Browser/BrowserWindow.cpp
+++ b/Userland/Applications/Browser/BrowserWindow.cpp
@ -74,7 +74,7 @@ BrowserWindow::BrowserWindow(CookieJar& cookie_jar, URL url)
    set_title("Browser");

    auto widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-    widget->load_from_gml(browser_window_gml);
+    widget->try_load_from_gml(browser_window_gml).release_value_but_fixme_should_propagate_errors();

    auto& top_line = *widget->find_descendant_of_type_named<GUI::HorizontalSeparator>("top_line");

--- a/Userland/Applications/Browser/History/HistoryWidget.cpp
+++ b/Userland/Applications/Browser/History/HistoryWidget.cpp
@ -11,7 +11,7 @@
 namespace Browser {
 HistoryWidget::HistoryWidget()
 {
-    load_from_gml(history_widget_gml);
+    try_load_from_gml(history_widget_gml).release_value_but_fixme_should_propagate_errors();

    m_table_view = find_descendant_of_type_named<GUI::TableView>("history_tableview");
    m_textbox = find_descendant_of_type_named<GUI::TextBox>("history_filter_textbox");
--- a/Userland/Applications/Browser/StorageWidget.cpp
+++ b/Userland/Applications/Browser/StorageWidget.cpp
@ -18,7 +18,7 @@ namespace Browser {

 StorageWidget::StorageWidget()
 {
-    load_from_gml(storage_widget_gml);
+    try_load_from_gml(storage_widget_gml).release_value_but_fixme_should_propagate_errors();
    auto& tab_widget = *find_descendant_of_type_named<GUI::TabWidget>("tab_widget");

    m_cookies_table_view = tab_widget.find_descendant_of_type_named<GUI::TableView>("cookies_tableview");
--- a/Userland/Applications/Browser/Tab.cpp
+++ b/Userland/Applications/Browser/Tab.cpp
@ -114,7 +114,7 @@ void Tab::update_status(Optional<DeprecatedString> text_override, i32 count_wait

 Tab::Tab(BrowserWindow& window)
 {
-    load_from_gml(tab_gml);
+    try_load_from_gml(tab_gml).release_value_but_fixme_should_propagate_errors();

    m_toolbar_container = *find_descendant_of_type_named<GUI::ToolbarContainer>("toolbar_container");
    auto& toolbar = *find_descendant_of_type_named<GUI::Toolbar>("toolbar");
--- a/Userland/Applications/BrowserSettings/BrowserSettingsWidget.cpp
+++ b/Userland/Applications/BrowserSettings/BrowserSettingsWidget.cpp
@ -59,7 +59,7 @@ private:

 BrowserSettingsWidget::BrowserSettingsWidget()
 {
-    load_from_gml(browser_settings_widget_gml);
+    try_load_from_gml(browser_settings_widget_gml).release_value_but_fixme_should_propagate_errors();

    m_homepage_url_textbox = find_descendant_of_type_named<GUI::TextBox>("homepage_url_textbox");
    m_homepage_url_textbox->set_text(Config::read_string("Browser"sv, "Preferences"sv, "Home"sv, default_homepage_url), GUI::AllowCallback::No);
--- a/Userland/Applications/BrowserSettings/ContentFilterSettingsWidget.cpp
+++ b/Userland/Applications/BrowserSettings/ContentFilterSettingsWidget.cpp
@ -108,7 +108,7 @@ void DomainListModel::reset_default_values()

 ContentFilterSettingsWidget::ContentFilterSettingsWidget()
 {
-    load_from_gml(content_filter_settings_widget_gml);
+    try_load_from_gml(content_filter_settings_widget_gml).release_value_but_fixme_should_propagate_errors();
    m_enable_content_filtering_checkbox = find_descendant_of_type_named<GUI::CheckBox>("enable_content_filtering_checkbox");
    m_domain_list_view = find_descendant_of_type_named<GUI::ListView>("domain_list_view");
    m_add_new_domain_button = find_descendant_of_type_named<GUI::Button>("add_new_domain_button");
--- a/Userland/Applications/Calculator/CalculatorWidget.cpp
+++ b/Userland/Applications/Calculator/CalculatorWidget.cpp
@ -18,7 +18,7 @@

 CalculatorWidget::CalculatorWidget()
 {
-    load_from_gml(calculator_gml);
+    try_load_from_gml(calculator_gml).release_value_but_fixme_should_propagate_errors();

    m_entry = *find_descendant_of_type_named<GUI::TextBox>("entry_textbox");
    m_entry->set_relative_rect(5, 5, 244, 26);
--- a/Userland/Applications/Calendar/main.cpp
+++ b/Userland/Applications/Calendar/main.cpp
@ -43,7 +43,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
    window->set_icon(app_icon.bitmap_for_size(16));

    auto main_widget = TRY(window->set_main_widget<GUI::Widget>());
-    main_widget->load_from_gml(calendar_window_gml);
+    TRY(main_widget->try_load_from_gml(calendar_window_gml));

    auto toolbar = main_widget->find_descendant_of_type_named<GUI::Toolbar>("toolbar");
    auto calendar = main_widget->find_descendant_of_type_named<GUI::Calendar>("calendar");
--- a/Userland/Applications/CalendarSettings/CalendarSettingsWidget.cpp
+++ b/Userland/Applications/CalendarSettings/CalendarSettingsWidget.cpp
@ -31,7 +31,7 @@ void CalendarSettingsWidget::reset_default_values()

 CalendarSettingsWidget::CalendarSettingsWidget()
 {
-    load_from_gml(calendar_settings_widget_gml);
+    try_load_from_gml(calendar_settings_widget_gml).release_value_but_fixme_should_propagate_errors();

    m_first_day_of_week_combobox = *find_descendant_of_type_named<GUI::ComboBox>("first_day_of_week");
    m_first_day_of_week_combobox->set_text(Config::read_string("Calendar"sv, "View"sv, "FirstDayOfWeek"sv, "Sunday"sv));
--- a/Userland/Applications/CharacterMap/CharacterMapWidget.cpp
+++ b/Userland/Applications/CharacterMap/CharacterMapWidget.cpp
@ -27,7 +27,7 @@

 CharacterMapWidget::CharacterMapWidget()
 {
-    load_from_gml(character_map_window_gml);
+    try_load_from_gml(character_map_window_gml).release_value_but_fixme_should_propagate_errors();

    m_toolbar = find_descendant_of_type_named<GUI::Toolbar>("toolbar");
    m_font_name_label = find_descendant_of_type_named<GUI::Label>("font_name");
--- a/Userland/Applications/CharacterMap/CharacterSearchWidget.cpp
+++ b/Userland/Applications/CharacterMap/CharacterSearchWidget.cpp
@ -53,7 +53,7 @@ private:

 CharacterSearchWidget::CharacterSearchWidget()
 {
-    load_from_gml(character_search_window_gml);
+    try_load_from_gml(character_search_window_gml).release_value_but_fixme_should_propagate_errors();

    m_search_input = find_descendant_of_type_named<GUI::TextBox>("search_input");
    m_search_button = find_descendant_of_type_named<GUI::Button>("search_button");
--- a/Userland/Applications/ClockSettings/ClockSettingsWidget.cpp
+++ b/Userland/Applications/ClockSettings/ClockSettingsWidget.cpp
@ -21,7 +21,7 @@ constexpr auto time_format_24h_seconds = "%T"sv;

 ClockSettingsWidget::ClockSettingsWidget()
 {
-    load_from_gml(clock_settings_widget_gml);
+    try_load_from_gml(clock_settings_widget_gml).release_value_but_fixme_should_propagate_errors();

    m_24_hour_radio = *find_descendant_of_type_named<GUI::RadioButton>("24hour_radio");
    auto& twelve_hour_radio = *find_descendant_of_type_named<GUI::RadioButton>("12hour_radio");
--- a/Userland/Applications/ClockSettings/TimeZoneSettingsWidget.cpp
+++ b/Userland/Applications/ClockSettings/TimeZoneSettingsWidget.cpp
@ -61,7 +61,7 @@ ErrorOr<NonnullRefPtr<TimeZoneSettingsWidget>> TimeZoneSettingsWidget::create()

 TimeZoneSettingsWidget::TimeZoneSettingsWidget()
 {
-    load_from_gml(time_zone_settings_widget_gml);
+    try_load_from_gml(time_zone_settings_widget_gml).release_value_but_fixme_should_propagate_errors();

    static auto time_zones = TimeZone::all_time_zones();
    m_time_zone = TimeZone::system_time_zone();
--- a/Userland/Applications/CrashReporter/main.cpp
+++ b/Userland/Applications/CrashReporter/main.cpp
@ -182,7 +182,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
    };

    auto widget = TRY(window->set_main_widget<GUI::Widget>());
-    widget->load_from_gml(crash_reporter_window_gml);
+    TRY(widget->try_load_from_gml(crash_reporter_window_gml));

    auto& icon_image_widget = *widget->find_descendant_of_type_named<GUI::ImageWidget>("icon");
    icon_image_widget.set_bitmap(GUI::FileIconProvider::icon_for_executable(executable_path).bitmap_for_size(32));
--- a/Userland/Applications/DisplaySettings/BackgroundSettingsWidget.cpp
+++ b/Userland/Applications/DisplaySettings/BackgroundSettingsWidget.cpp
@ -42,7 +42,7 @@ BackgroundSettingsWidget::BackgroundSettingsWidget(bool& background_settings_cha

 void BackgroundSettingsWidget::create_frame()
 {
-    load_from_gml(background_settings_gml);
+    try_load_from_gml(background_settings_gml).release_value_but_fixme_should_propagate_errors();

    m_monitor_widget = *find_descendant_of_type_named<DisplaySettings::MonitorWidget>("monitor_widget");

--- a/Userland/Applications/DisplaySettings/DesktopSettingsWidget.cpp
+++ b/Userland/Applications/DisplaySettings/DesktopSettingsWidget.cpp
@ -23,7 +23,7 @@ DesktopSettingsWidget::DesktopSettingsWidget()

 void DesktopSettingsWidget::create_frame()
 {
-    load_from_gml(desktop_settings_gml);
+    try_load_from_gml(desktop_settings_gml).release_value_but_fixme_should_propagate_errors();

    m_workspace_rows_spinbox = *find_descendant_of_type_named<GUI::SpinBox>("workspace_rows_spinbox");
    m_workspace_rows_spinbox->on_change = [&](auto) {
--- a/Userland/Applications/DisplaySettings/EffectsSettingsWidget.cpp
+++ b/Userland/Applications/DisplaySettings/EffectsSettingsWidget.cpp
@ -18,7 +18,7 @@ namespace DisplaySettings {

 EffectsSettingsWidget::EffectsSettingsWidget()
 {
-    load_from_gml(effects_settings_gml);
+    try_load_from_gml(effects_settings_gml).release_value_but_fixme_should_propagate_errors();

    m_geometry_combobox = find_descendant_of_type_named<ComboBox>("geometry_combobox");
    m_geometry_combobox->set_only_allow_values_from_model(true);
--- a/Userland/Applications/DisplaySettings/FontSettingsWidget.cpp
+++ b/Userland/Applications/DisplaySettings/FontSettingsWidget.cpp
@ -19,7 +19,7 @@ static void update_label_with_font(GUI::Label&, Gfx::Font const&);

 FontSettingsWidget::FontSettingsWidget()
 {
-    load_from_gml(font_settings_gml);
+    try_load_from_gml(font_settings_gml).release_value_but_fixme_should_propagate_errors();

    auto& default_font = Gfx::FontDatabase::default_font();
    m_default_font_label = *find_descendant_of_type_named<GUI::Label>("default_font_label");
--- a/Userland/Applications/DisplaySettings/MonitorSettingsWidget.cpp
+++ b/Userland/Applications/DisplaySettings/MonitorSettingsWidget.cpp
@ -71,7 +71,7 @@ void MonitorSettingsWidget::create_resolution_list()

 void MonitorSettingsWidget::create_frame()
 {
-    load_from_gml(monitor_settings_window_gml);
+    try_load_from_gml(monitor_settings_window_gml).release_value_but_fixme_should_propagate_errors();

    m_monitor_widget = *find_descendant_of_type_named<DisplaySettings::MonitorWidget>("monitor_widget");

--- a/Userland/Applications/DisplaySettings/ThemesSettingsWidget.cpp
+++ b/Userland/Applications/DisplaySettings/ThemesSettingsWidget.cpp
@ -21,7 +21,7 @@ namespace DisplaySettings {
 ThemesSettingsWidget::ThemesSettingsWidget(bool& background_settings_changed)
    : m_background_settings_changed { background_settings_changed }
 {
-    load_from_gml(themes_settings_gml);
+    try_load_from_gml(themes_settings_gml).release_value_but_fixme_should_propagate_errors();
    m_themes = MUST(Gfx::list_installed_system_themes());

    size_t current_theme_index;
--- a/Userland/Applications/Escalator/EscalatorWindow.cpp
+++ b/Userland/Applications/Escalator/EscalatorWindow.cpp
@ -32,7 +32,7 @@ EscalatorWindow::EscalatorWindow(StringView executable, Vector<StringView> argum
    set_minimizable(false);

    auto main_widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-    main_widget->load_from_gml(escalator_gml);
+    main_widget->try_load_from_gml(escalator_gml).release_value_but_fixme_should_propagate_errors();

    RefPtr<GUI::Label> app_label = *main_widget->find_descendant_of_type_named<GUI::Label>("description");

--- a/Userland/Applications/FileManager/FileOperationProgressWidget.cpp
+++ b/Userland/Applications/FileManager/FileOperationProgressWidget.cpp
@ -23,7 +23,7 @@ FileOperationProgressWidget::FileOperationProgressWidget(FileOperation operation
    : m_operation(operation)
    , m_helper_pipe(move(helper_pipe))
 {
-    load_from_gml(file_operation_progress_gml);
+    try_load_from_gml(file_operation_progress_gml).release_value_but_fixme_should_propagate_errors();

    auto& button = *find_descendant_of_type_named<GUI::Button>("button");

--- a/Userland/Applications/FileManager/PropertiesWindow.cpp
+++ b/Userland/Applications/FileManager/PropertiesWindow.cpp
@ -45,7 +45,7 @@ PropertiesWindow::PropertiesWindow(DeprecatedString const& path, bool disable_re
    auto& tab_widget = main_widget->add<GUI::TabWidget>();

    auto& general_tab = tab_widget.add_tab<GUI::Widget>("General");
-    general_tab.load_from_gml(properties_window_general_tab_gml);
+    general_tab.try_load_from_gml(properties_window_general_tab_gml).release_value_but_fixme_should_propagate_errors();

    m_name = lexical_path.basename();
    m_path = lexical_path.string();
--- a/Userland/Applications/FileManager/main.cpp
+++ b/Userland/Applications/FileManager/main.cpp
@ -580,8 +580,7 @@ ErrorOr<int> run_in_windowed_mode(DeprecatedString const& initial_location, Depr
    auto was_maximized = Config::read_bool("FileManager"sv, "Window"sv, "Maximized"sv, false);

    auto widget = TRY(window->set_main_widget<GUI::Widget>());
-
-    widget->load_from_gml(file_manager_window_gml);
+    TRY(widget->try_load_from_gml(file_manager_window_gml));

    auto& toolbar_container = *widget->find_descendant_of_type_named<GUI::ToolbarContainer>("toolbar_container");
    auto& main_toolbar = *widget->find_descendant_of_type_named<GUI::Toolbar>("main_toolbar");
--- a/Userland/Applications/FontEditor/MainWidget.cpp
+++ b/Userland/Applications/FontEditor/MainWidget.cpp
@ -66,7 +66,7 @@ ErrorOr<RefPtr<GUI::Window>> MainWidget::create_preview_window()
    window->center_within(*this->window());

    auto main_widget = TRY(window->set_main_widget<GUI::Widget>());
-    main_widget->load_from_gml(font_preview_window_gml);
+    TRY(main_widget->try_load_from_gml(font_preview_window_gml));

    m_preview_label = find_descendant_of_type_named<GUI::Label>("preview_label");
    m_preview_label->set_font(edited_font());
@ -420,7 +420,7 @@ ErrorOr<void> MainWidget::create_undo_stack()

 MainWidget::MainWidget()
 {
-    load_from_gml(font_editor_window_gml);
+    try_load_from_gml(font_editor_window_gml).release_value_but_fixme_should_propagate_errors();

    m_font_metadata_groupbox = find_descendant_of_type_named<GUI::GroupBox>("font_metadata_groupbox");
    m_unicode_block_container = find_descendant_of_type_named<GUI::Widget>("unicode_block_container");
--- a/Userland/Applications/FontEditor/NewFontDialog.cpp
+++ b/Userland/Applications/FontEditor/NewFontDialog.cpp
@ -128,7 +128,7 @@ NewFontDialog::NewFontDialog(GUI::Window* parent_window)
    set_title("New Font");

    m_font_properties_page = GUI::WizardPage::construct("Typeface properties", "Edit details about this font.");
-    m_font_properties_page->body_widget().load_from_gml(new_font_dialog_page_1_gml);
+    m_font_properties_page->body_widget().try_load_from_gml(new_font_dialog_page_1_gml).release_value_but_fixme_should_propagate_errors();

    m_name_textbox = m_font_properties_page->body_widget().find_descendant_of_type_named<GUI::TextBox>("name_textbox");
    m_family_textbox = m_font_properties_page->body_widget().find_descendant_of_type_named<GUI::TextBox>("family_textbox");
@ -156,7 +156,7 @@ NewFontDialog::NewFontDialog(GUI::Window* parent_window)
    };

    m_glyph_properties_page = GUI::WizardPage::construct("Glyph properties", "Edit details about this font.");
-    m_glyph_properties_page->body_widget().load_from_gml(new_font_dialog_page_2_gml);
+    m_glyph_properties_page->body_widget().try_load_from_gml(new_font_dialog_page_2_gml).release_value_but_fixme_should_propagate_errors();
    m_glyph_properties_page->set_is_final_page(true);

    m_glyph_height_spinbox = m_glyph_properties_page->body_widget().find_descendant_of_type_named<GUI::SpinBox>("height_spinbox");
--- a/Userland/Applications/GamesSettings/CardSettingsWidget.cpp
+++ b/Userland/Applications/GamesSettings/CardSettingsWidget.cpp
@ -15,7 +15,7 @@ static constexpr StringView default_card_back_image_path = "/res/icons/cards/bug

 CardSettingsWidget::CardSettingsWidget()
 {
-    load_from_gml(card_settings_widget_gml);
+    try_load_from_gml(card_settings_widget_gml).release_value_but_fixme_should_propagate_errors();

    auto background_color = Gfx::Color::from_string(Config::read_string("Games"sv, "Cards"sv, "BackgroundColor"sv)).value_or(Gfx::Color::from_rgb(0x008000));

--- a/Userland/Applications/Help/MainWidget.cpp
+++ b/Userland/Applications/Help/MainWidget.cpp
@ -42,7 +42,7 @@ namespace Help {

 MainWidget::MainWidget()
 {
-    load_from_gml(help_window_gml);
+    try_load_from_gml(help_window_gml).release_value_but_fixme_should_propagate_errors();
    m_toolbar = find_descendant_of_type_named<GUI::Toolbar>("toolbar");
    m_tab_widget = find_descendant_of_type_named<GUI::TabWidget>("tab_widget");
    m_search_container = find_descendant_of_type_named<GUI::Widget>("search_container");
--- a/Userland/Applications/HexEditor/FindDialog.cpp
+++ b/Userland/Applications/HexEditor/FindDialog.cpp
@ -100,8 +100,7 @@ FindDialog::FindDialog()
    set_title("Find");

    auto main_widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-    if (!main_widget->load_from_gml(find_dialog_gml))
-        VERIFY_NOT_REACHED();
+    main_widget->try_load_from_gml(find_dialog_gml).release_value_but_fixme_should_propagate_errors();

    m_text_editor = *main_widget->find_descendant_of_type_named<GUI::TextBox>("text_editor");
    m_find_button = *main_widget->find_descendant_of_type_named<GUI::Button>("find_button");
--- a/Userland/Applications/HexEditor/GoToOffsetDialog.cpp
+++ b/Userland/Applications/HexEditor/GoToOffsetDialog.cpp
@ -97,8 +97,7 @@ GoToOffsetDialog::GoToOffsetDialog()
    set_title("Go to Offset");

    auto main_widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-    if (!main_widget->load_from_gml(go_to_offset_dialog_gml))
-        VERIFY_NOT_REACHED();
+    main_widget->try_load_from_gml(go_to_offset_dialog_gml).release_value_but_fixme_should_propagate_errors();

    m_text_editor = *main_widget->find_descendant_of_type_named<GUI::TextBox>("text_editor");
    m_go_button = *main_widget->find_descendant_of_type_named<GUI::Button>("go_button");
--- a/Userland/Applications/HexEditor/HexEditorWidget.cpp
+++ b/Userland/Applications/HexEditor/HexEditorWidget.cpp
@ -40,7 +40,7 @@ REGISTER_WIDGET(HexEditor, HexEditor);

 HexEditorWidget::HexEditorWidget()
 {
-    load_from_gml(hex_editor_window_gml);
+    try_load_from_gml(hex_editor_window_gml).release_value_but_fixme_should_propagate_errors();

    m_toolbar = *find_descendant_of_type_named<GUI::Toolbar>("toolbar");
    m_toolbar_container = *find_descendant_of_type_named<GUI::ToolbarContainer>("toolbar_container");
--- a/Userland/Applications/KeyboardSettings/KeyboardSettingsWidget.cpp
+++ b/Userland/Applications/KeyboardSettings/KeyboardSettingsWidget.cpp
@ -52,8 +52,7 @@ private:
        : Dialog(parent_window)
    {
        auto widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-        if (!widget->load_from_gml(keymap_dialog_gml))
-            VERIFY_NOT_REACHED();
+        widget->try_load_from_gml(keymap_dialog_gml).release_value_but_fixme_should_propagate_errors();

        set_resizable(false);
        resize(190, 54);
@ -152,7 +151,7 @@ private:

 KeyboardSettingsWidget::KeyboardSettingsWidget()
 {
-    load_from_gml(keyboard_widget_gml);
+    try_load_from_gml(keyboard_widget_gml).release_value_but_fixme_should_propagate_errors();

    auto proc_keymap = Core::File::construct("/sys/kernel/keymap");
    if (!proc_keymap->open(Core::OpenMode::ReadOnly))
--- a/Userland/Applications/Mail/MailWidget.cpp
+++ b/Userland/Applications/Mail/MailWidget.cpp
@ -24,7 +24,7 @@

 MailWidget::MailWidget()
 {
-    load_from_gml(mail_window_gml);
+    try_load_from_gml(mail_window_gml).release_value_but_fixme_should_propagate_errors();

    m_mailbox_list = *find_descendant_of_type_named<GUI::TreeView>("mailbox_list");
    m_individual_mailbox_view = *find_descendant_of_type_named<GUI::TableView>("individual_mailbox_view");
--- a/Userland/Applications/MailSettings/MailSettingsWidget.cpp
+++ b/Userland/Applications/MailSettings/MailSettingsWidget.cpp
@ -42,7 +42,7 @@ MailSettingsWidget::MailSettingsWidget()
    m_common_ports.append("143");
    m_common_ports.append("993");

-    load_from_gml(mail_settings_widget_gml);
+    try_load_from_gml(mail_settings_widget_gml).release_value_but_fixme_should_propagate_errors();

    m_server_inputbox = *find_descendant_of_type_named<GUI::TextBox>("server_input");
    m_server_inputbox->set_text(Config::read_string("Mail"sv, "Connection"sv, "Server"sv, ""sv));
--- a/Userland/Applications/MouseSettings/HighlightWidget.cpp
+++ b/Userland/Applications/MouseSettings/HighlightWidget.cpp
@ -11,7 +11,7 @@

 HighlightWidget::HighlightWidget()
 {
-    load_from_gml(highlight_widget_gml);
+    try_load_from_gml(highlight_widget_gml).release_value_but_fixme_should_propagate_errors();

    m_highlight_preview = find_descendant_of_type_named<GUI::Frame>("preview_frame")->add<MouseSettings::HighlightPreviewWidget>(palette());

--- a/Userland/Applications/MouseSettings/MouseWidget.cpp
+++ b/Userland/Applications/MouseSettings/MouseWidget.cpp
@ -20,7 +20,7 @@ constexpr int double_click_speed_default = 250;

 MouseWidget::MouseWidget()
 {
-    load_from_gml(mouse_widget_gml);
+    try_load_from_gml(mouse_widget_gml).release_value_but_fixme_should_propagate_errors();

    m_speed_label = *find_descendant_of_type_named<GUI::Label>("speed_label");
    m_speed_slider = *find_descendant_of_type_named<GUI::HorizontalSlider>("speed_slider");
--- a/Userland/Applications/MouseSettings/ThemeWidget.cpp
+++ b/Userland/Applications/MouseSettings/ThemeWidget.cpp
@ -98,7 +98,7 @@ void ThemeModel::invalidate()

 ThemeWidget::ThemeWidget()
 {
-    load_from_gml(theme_widget_gml);
+    try_load_from_gml(theme_widget_gml).release_value_but_fixme_should_propagate_errors();
    m_cursors_tableview = find_descendant_of_type_named<GUI::TableView>("cursors_tableview");
    m_cursors_tableview->set_highlight_selected_rows(true);
    m_cursors_tableview->set_alternating_row_colors(false);
--- a/Userland/Applications/NetworkSettings/NetworkSettingsWidget.cpp
+++ b/Userland/Applications/NetworkSettings/NetworkSettingsWidget.cpp
@ -30,7 +30,7 @@ static int netmask_to_cidr(IPv4Address const& address)

 NetworkSettingsWidget::NetworkSettingsWidget()
 {
-    load_from_gml(network_settings_gml);
+    try_load_from_gml(network_settings_gml).release_value_but_fixme_should_propagate_errors();

    m_adapters_combobox = *find_descendant_of_type_named<GUI::ComboBox>("adapters_combobox");
    m_enabled_checkbox = *find_descendant_of_type_named<GUI::CheckBox>("enabled_checkbox");
--- a/Userland/Applications/PartitionEditor/main.cpp
+++ b/Userland/Applications/PartitionEditor/main.cpp
@ -53,7 +53,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
    }

    auto widget = TRY(window->set_main_widget<GUI::Widget>());
-    widget->load_from_gml(partition_editor_window_gml);
+    TRY(widget->try_load_from_gml(partition_editor_window_gml));

    auto device_paths = get_device_paths();

--- a/Userland/Applications/PixelPaint/EditGuideDialog.cpp
+++ b/Userland/Applications/PixelPaint/EditGuideDialog.cpp
@ -24,8 +24,7 @@ EditGuideDialog::EditGuideDialog(GUI::Window* parent_window, DeprecatedString co
    set_resizable(false);

    auto main_widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-    if (!main_widget->load_from_gml(edit_guide_dialog_gml))
-        VERIFY_NOT_REACHED();
+    main_widget->try_load_from_gml(edit_guide_dialog_gml).release_value_but_fixme_should_propagate_errors();

    auto horizontal_radio = main_widget->find_descendant_of_type_named<GUI::RadioButton>("orientation_horizontal_radio");
    auto vertical_radio = main_widget->find_descendant_of_type_named<GUI::RadioButton>("orientation_vertical_radio");
--- a/Userland/Applications/PixelPaint/FilterGallery.cpp
+++ b/Userland/Applications/PixelPaint/FilterGallery.cpp
@ -22,8 +22,7 @@ FilterGallery::FilterGallery(GUI::Window* parent_window, ImageEditor* editor)
    set_resizable(true);

    auto main_widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-    if (!main_widget->load_from_gml(filter_gallery_gml))
-        VERIFY_NOT_REACHED();
+    main_widget->try_load_from_gml(filter_gallery_gml).release_value_but_fixme_should_propagate_errors();

    m_filter_tree = main_widget->find_descendant_of_type_named<GUI::TreeView>("tree_view");
    auto apply_button = main_widget->find_descendant_of_type_named<GUI::Button>("apply_button");
--- a/Userland/Applications/PixelPaint/Filters/Median.cpp
+++ b/Userland/Applications/PixelPaint/Filters/Median.cpp
@ -46,7 +46,7 @@ RefPtr<GUI::Widget> Median::get_settings_widget()
 {
    if (!m_settings_widget) {
        m_settings_widget = GUI::Widget::construct();
-        m_settings_widget->load_from_gml(median_settings_gml);
+        m_settings_widget->try_load_from_gml(median_settings_gml).release_value_but_fixme_should_propagate_errors();
        m_settings_widget->find_descendant_of_type_named<GUI::SpinBox>("filter_radius")->on_change = [this](auto value) {
            m_filter_radius = value;
            update_preview();
--- a/Userland/Applications/PixelPaint/LevelsDialog.cpp
+++ b/Userland/Applications/PixelPaint/LevelsDialog.cpp
@ -19,8 +19,7 @@ LevelsDialog::LevelsDialog(GUI::Window* parent_window, ImageEditor* editor)
    set_icon(parent_window->icon());

    auto main_widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-    if (!main_widget->load_from_gml(levels_dialog_gml))
-        VERIFY_NOT_REACHED();
+    main_widget->try_load_from_gml(levels_dialog_gml).release_value_but_fixme_should_propagate_errors();

    resize(305, 202);
    set_resizable(false);
--- a/Userland/Applications/PixelPaint/MainWidget.cpp
+++ b/Userland/Applications/PixelPaint/MainWidget.cpp
@ -37,7 +37,7 @@ IconBag g_icon_bag;
 MainWidget::MainWidget()
    : Widget()
 {
-    load_from_gml(pixel_paint_window_gml);
+    try_load_from_gml(pixel_paint_window_gml).release_value_but_fixme_should_propagate_errors();

    m_toolbox = find_descendant_of_type_named<PixelPaint::ToolboxWidget>("toolbox");
    m_statusbar = *find_descendant_of_type_named<GUI::Statusbar>("statusbar");
--- a/Userland/Applications/PixelPaint/ResizeImageDialog.cpp
+++ b/Userland/Applications/PixelPaint/ResizeImageDialog.cpp
@ -28,8 +28,7 @@ ResizeImageDialog::ResizeImageDialog(Gfx::IntSize suggested_size, GUI::Window* p
    set_icon(parent_window->icon());

    auto main_widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-    if (!main_widget->load_from_gml(resize_image_dialog_gml))
-        VERIFY_NOT_REACHED();
+    main_widget->try_load_from_gml(resize_image_dialog_gml).release_value_but_fixme_should_propagate_errors();

    auto width_spinbox = main_widget->find_descendant_of_type_named<GUI::SpinBox>("width_spinbox");
    auto height_spinbox = main_widget->find_descendant_of_type_named<GUI::SpinBox>("height_spinbox");
--- a/Userland/Applications/Run/RunWindow.cpp
+++ b/Userland/Applications/Run/RunWindow.cpp
@ -42,7 +42,7 @@ RunWindow::RunWindow()
    set_minimizable(false);

    auto main_widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-    main_widget->load_from_gml(run_gml);
+    main_widget->try_load_from_gml(run_gml).release_value_but_fixme_should_propagate_errors();

    m_icon_image_widget = *main_widget->find_descendant_of_type_named<GUI::ImageWidget>("icon");
    m_icon_image_widget->set_bitmap(app_icon.bitmap_for_size(32));
--- a/Userland/Applications/SpaceAnalyzer/main.cpp
+++ b/Userland/Applications/SpaceAnalyzer/main.cpp
@ -322,7 +322,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)

    // Load widgets.
    auto mainwidget = TRY(window->set_main_widget<GUI::Widget>());
-    mainwidget->load_from_gml(space_analyzer_gml);
+    TRY(mainwidget->try_load_from_gml(space_analyzer_gml));
    auto& breadcrumbbar = *mainwidget->find_descendant_of_type_named<GUI::Breadcrumbbar>("breadcrumbbar");
    auto& treemapwidget = *mainwidget->find_descendant_of_type_named<SpaceAnalyzer::TreeMapWidget>("tree_map");
    auto& statusbar = *mainwidget->find_descendant_of_type_named<GUI::Statusbar>("statusbar");
--- a/Userland/Applications/Spreadsheet/CellTypeDialog.cpp
+++ b/Userland/Applications/Spreadsheet/CellTypeDialog.cpp
@ -318,7 +318,7 @@ void CellTypeDialog::setup_tabs(GUI::TabWidget& tabs, Vector<Position> const& po
    }

    auto& conditional_fmt_tab = tabs.add_tab<GUI::Widget>("Conditional format");
-    conditional_fmt_tab.load_from_gml(cond_fmt_gml);
+    conditional_fmt_tab.try_load_from_gml(cond_fmt_gml).release_value_but_fixme_should_propagate_errors();
    {
        auto& view = *conditional_fmt_tab.find_descendant_of_type_named<Spreadsheet::ConditionsView>("conditions_view");
        view.set_formats(&m_conditional_formats);
@ -391,7 +391,7 @@ CellTypeMetadata CellTypeDialog::metadata() const
 ConditionView::ConditionView(ConditionalFormat& fmt)
    : m_format(fmt)
 {
-    load_from_gml(cond_fmt_view_gml);
+    try_load_from_gml(cond_fmt_view_gml).release_value_but_fixme_should_propagate_errors();

    auto& fg_input = *find_descendant_of_type_named<GUI::ColorInput>("foreground_input");
    auto& bg_input = *find_descendant_of_type_named<GUI::ColorInput>("background_input");
--- a/Userland/Applications/Spreadsheet/ExportDialog.cpp
+++ b/Userland/Applications/Spreadsheet/ExportDialog.cpp
@ -38,7 +38,7 @@ CSVExportDialogPage::CSVExportDialogPage(Sheet const& sheet)
        "CSV Export Options",
        "Please select the options for the csv file you wish to export to");

-    m_page->body_widget().load_from_gml(csv_export_gml);
+    m_page->body_widget().try_load_from_gml(csv_export_gml).release_value_but_fixme_should_propagate_errors();
    m_page->set_is_final_page(true);

    m_delimiter_comma_radio = m_page->body_widget().find_descendant_of_type_named<GUI::RadioButton>("delimiter_comma_radio");
@ -209,7 +209,7 @@ ErrorOr<void> ExportDialog::make_and_run_for(StringView mime, NonnullOwnPtr<Core

        page->on_next_page = [] { return nullptr; };

-        page->body_widget().load_from_gml(select_format_page_gml);
+        TRY(page->body_widget().try_load_from_gml(select_format_page_gml));
        auto format_combo_box = page->body_widget().find_descendant_of_type_named<GUI::ComboBox>("select_format_page_format_combo_box");

        Vector<DeprecatedString> supported_formats {
--- a/Userland/Applications/Spreadsheet/ImportDialog.cpp
+++ b/Userland/Applications/Spreadsheet/ImportDialog.cpp
@ -32,7 +32,7 @@ CSVImportDialogPage::CSVImportDialogPage(StringView csv)
        "CSV Import Options",
        "Please select the options for the csv file you wish to import");

-    m_page->body_widget().load_from_gml(csv_import_gml);
+    m_page->body_widget().try_load_from_gml(csv_import_gml).release_value_but_fixme_should_propagate_errors();
    m_page->set_is_final_page(true);

    m_delimiter_comma_radio = m_page->body_widget().find_descendant_of_type_named<GUI::RadioButton>("delimiter_comma_radio");
@ -254,7 +254,7 @@ Result<NonnullRefPtrVector<Sheet>, DeprecatedString> ImportDialog::make_and_run_

        page->on_next_page = [] { return nullptr; };

-        page->body_widget().load_from_gml(select_format_page_gml);
+        page->body_widget().try_load_from_gml(select_format_page_gml).release_value_but_fixme_should_propagate_errors();
        auto format_combo_box = page->body_widget().find_descendant_of_type_named<GUI::ComboBox>("select_format_page_format_combo_box");

        Vector<DeprecatedString> supported_formats {
--- a/Userland/Applications/SystemMonitor/main.cpp
+++ b/Userland/Applications/SystemMonitor/main.cpp
@ -279,7 +279,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
    window->resize(560, 430);

    auto main_widget = TRY(window->set_main_widget<GUI::Widget>());
-    main_widget->load_from_gml(system_monitor_gml);
+    TRY(main_widget->try_load_from_gml(system_monitor_gml));
    auto& tabwidget = *main_widget->find_descendant_of_type_named<GUI::TabWidget>("main_tabs");
    statusbar = main_widget->find_descendant_of_type_named<GUI::Statusbar>("statusbar");

@ -513,7 +513,7 @@ ErrorOr<NonnullRefPtr<GUI::Window>> build_process_window(pid_t pid)
    window->set_icon(app_icon.bitmap_for_size(16));

    auto main_widget = TRY(window->set_main_widget<GUI::Widget>());
-    main_widget->load_from_gml(process_window_gml);
+    TRY(main_widget->try_load_from_gml(process_window_gml));

    GUI::ModelIndex process_index;
    for (int row = 0; row < ProcessModel::the().row_count({}); ++row) {
--- a/Userland/Applications/TerminalSettings/TerminalSettingsWidget.cpp
+++ b/Userland/Applications/TerminalSettings/TerminalSettingsWidget.cpp
@ -32,7 +32,7 @@

 TerminalSettingsMainWidget::TerminalSettingsMainWidget()
 {
-    load_from_gml(terminal_settings_main_gml);
+    try_load_from_gml(terminal_settings_main_gml).release_value_but_fixme_should_propagate_errors();

    auto& beep_bell_radio = *find_descendant_of_type_named<GUI::RadioButton>("beep_bell_radio");
    auto& visual_bell_radio = *find_descendant_of_type_named<GUI::RadioButton>("visual_bell_radio");
@ -102,7 +102,7 @@ TerminalSettingsMainWidget::TerminalSettingsMainWidget()

 TerminalSettingsViewWidget::TerminalSettingsViewWidget()
 {
-    load_from_gml(terminal_settings_view_gml);
+    try_load_from_gml(terminal_settings_view_gml).release_value_but_fixme_should_propagate_errors();

    auto& slider = *find_descendant_of_type_named<GUI::HorizontalOpacitySlider>("background_opacity_slider");
    m_opacity = Config::read_i32("Terminal"sv, "Window"sv, "Opacity"sv);
--- a/Userland/Applications/TextEditor/MainWidget.cpp
+++ b/Userland/Applications/TextEditor/MainWidget.cpp
@ -49,7 +49,7 @@ namespace TextEditor {

 MainWidget::MainWidget()
 {
-    load_from_gml(text_editor_window_gml);
+    try_load_from_gml(text_editor_window_gml).release_value_but_fixme_should_propagate_errors();

    m_toolbar = *find_descendant_of_type_named<GUI::Toolbar>("toolbar");
    m_toolbar_container = *find_descendant_of_type_named<GUI::ToolbarContainer>("toolbar_container");
--- a/Userland/Applications/Welcome/WelcomeWidget.cpp
+++ b/Userland/Applications/Welcome/WelcomeWidget.cpp
@ -22,7 +22,7 @@

 WelcomeWidget::WelcomeWidget()
 {
-    load_from_gml(welcome_window_gml);
+    try_load_from_gml(welcome_window_gml).release_value_but_fixme_should_propagate_errors();

    m_web_view = find_descendant_of_type_named<WebView::OutOfProcessWebView>("web_view");
    m_web_view->load(URL::create_with_file_scheme(DeprecatedString::formatted("{}/README.md", Core::StandardPaths::home_directory())));
--- a/Userland/Demos/ModelGallery/GalleryWidget.cpp
+++ b/Userland/Demos/ModelGallery/GalleryWidget.cpp
@ -26,7 +26,7 @@ GalleryWidget::GalleryWidget()
 ErrorOr<void> GalleryWidget::load_basic_model_tab()
 {
    auto tab = TRY(m_tab_widget->try_add_tab<GUI::Widget>("Basic Model"));
-    tab->load_from_gml(basic_model_tab_gml);
+    TRY(tab->try_load_from_gml(basic_model_tab_gml));

    m_basic_model = BasicModel::create();
    m_basic_model_table = *tab->find_descendant_of_type_named<GUI::TableView>("model_table");
--- a/Userland/Demos/WidgetGallery/DemoWizardDialog.cpp
+++ b/Userland/Demos/WidgetGallery/DemoWizardDialog.cpp
@ -28,7 +28,7 @@ DemoWizardDialog::DemoWizardDialog(GUI::Window* parent_window)
        "Installation location",
        "Choose where Demo Application is installed on your computer.")
                   .release_value_but_fixme_should_propagate_errors();
-    m_page_1->body_widget().load_from_gml(demo_wizard_page_1_gml);
+    m_page_1->body_widget().try_load_from_gml(demo_wizard_page_1_gml).release_value_but_fixme_should_propagate_errors();
    m_page_1_location_text_box = m_page_1->body_widget().find_descendant_of_type_named<GUI::TextBox>("page_1_location_text_box");
    m_page_1->on_next_page = [&]() {
        return m_page_2;
@ -39,7 +39,7 @@ DemoWizardDialog::DemoWizardDialog(GUI::Window* parent_window)
        "Installation in progress...",
        "Please wait. Do not turn off your computer.")
                   .release_value_but_fixme_should_propagate_errors();
-    m_page_2->body_widget().load_from_gml(demo_wizard_page_2_gml);
+    m_page_2->body_widget().try_load_from_gml(demo_wizard_page_2_gml).release_value_but_fixme_should_propagate_errors();
    m_page_2_progressbar = m_page_2->body_widget().find_descendant_of_type_named<GUI::Progressbar>("page_2_progressbar");
    m_page_2_timer = Core::Timer::try_create(this).release_value_but_fixme_should_propagate_errors();
    m_page_2->on_page_enter = [&]() {
--- a/Userland/Demos/WidgetGallery/GalleryWidget.cpp
+++ b/Userland/Demos/WidgetGallery/GalleryWidget.cpp
@ -32,12 +32,12 @@

 GalleryWidget::GalleryWidget()
 {
-    load_from_gml(window_gml);
+    try_load_from_gml(window_gml).release_value_but_fixme_should_propagate_errors();

    auto& tab_widget = *find_descendant_of_type_named<GUI::TabWidget>("tab_widget");

    auto basics_tab = tab_widget.try_add_tab<GUI::Widget>("Basics").release_value_but_fixme_should_propagate_errors();
-    basics_tab->load_from_gml(basics_tab_gml);
+    basics_tab->try_load_from_gml(basics_tab_gml).release_value_but_fixme_should_propagate_errors();

    m_enabled_label = basics_tab->find_descendant_of_type_named<GUI::Label>("enabled_label");
    m_label_frame = basics_tab->find_descendant_of_type_named<GUI::Frame>("label_frame");
@ -170,7 +170,7 @@ GalleryWidget::GalleryWidget()
    };

    auto sliders_tab = tab_widget.try_add_tab<GUI::Widget>("Sliders").release_value_but_fixme_should_propagate_errors();
-    sliders_tab->load_from_gml(sliders_tab_gml);
+    sliders_tab->try_load_from_gml(sliders_tab_gml).release_value_but_fixme_should_propagate_errors();

    m_vertical_progressbar_left = sliders_tab->find_descendant_of_type_named<GUI::VerticalProgressbar>("vertical_progressbar_left");
    m_vertical_progressbar_left->set_value(0);
@ -231,7 +231,7 @@ GalleryWidget::GalleryWidget()
    };

    auto wizards_tab = tab_widget.try_add_tab<GUI::Widget>("Wizards").release_value_but_fixme_should_propagate_errors();
-    wizards_tab->load_from_gml(wizards_tab_gml);
+    wizards_tab->try_load_from_gml(wizards_tab_gml).release_value_but_fixme_should_propagate_errors();

    m_wizard_button = wizards_tab->find_descendant_of_type_named<GUI::Button>("wizard_button");
    m_wizard_output = wizards_tab->find_descendant_of_type_named<GUI::TextEditor>("wizard_output");
@ -287,7 +287,7 @@ GalleryWidget::GalleryWidget()
    };

    auto cursors_tab = tab_widget.try_add_tab<GUI::Widget>("Cursors").release_value_but_fixme_should_propagate_errors();
-    cursors_tab->load_from_gml(cursors_tab_gml);
+    cursors_tab->try_load_from_gml(cursors_tab_gml).release_value_but_fixme_should_propagate_errors();

    m_cursors_tableview = cursors_tab->find_descendant_of_type_named<GUI::TableView>("cursors_tableview");
    m_cursors_tableview->set_highlight_selected_rows(true);
@ -310,7 +310,7 @@ GalleryWidget::GalleryWidget()
    };

    auto icons_tab = tab_widget.try_add_tab<GUI::Widget>("Icons").release_value_but_fixme_should_propagate_errors();
-    icons_tab->load_from_gml(icons_tab_gml);
+    icons_tab->try_load_from_gml(icons_tab_gml).release_value_but_fixme_should_propagate_errors();

    m_icons_tableview = icons_tab->find_descendant_of_type_named<GUI::TableView>("icons_tableview");
    m_icons_tableview->set_highlight_selected_rows(true);
--- a/Userland/DevTools/GMLPlayground/main.cpp
+++ b/Userland/DevTools/GMLPlayground/main.cpp
@ -119,7 +119,8 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)

    editor->on_change = [&] {
        preview->remove_all_children();
-        preview->load_from_gml(editor->text(), [](DeprecatedString const& class_name) -> ErrorOr<NonnullRefPtr<Core::Object>> {
+        // FIXME: Parsing errors happen while the user is typing. What should we do about them?
+        (void)preview->try_load_from_gml(editor->text(), [](DeprecatedString const& class_name) -> ErrorOr<NonnullRefPtr<Core::Object>> {
            return UnregisteredWidget::try_create(class_name);
        });
    };
--- a/Userland/DevTools/HackStudio/Dialogs/Git/GitCommitDialog.cpp
+++ b/Userland/DevTools/HackStudio/Dialogs/Git/GitCommitDialog.cpp
@ -18,7 +18,7 @@ GitCommitDialog::GitCommitDialog(GUI::Window* parent)
    set_icon(parent->icon());

    auto widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-    widget->load_from_gml(git_commit_dialog_gml);
+    widget->try_load_from_gml(git_commit_dialog_gml).release_value_but_fixme_should_propagate_errors();

    m_message_editor = widget->find_descendant_of_type_named<GUI::TextEditor>("message_editor");
    m_cancel_button = widget->find_descendant_of_type_named<GUI::Button>("cancel_button");
--- a/Userland/DevTools/HackStudio/Dialogs/NewProjectDialog.cpp
+++ b/Userland/DevTools/HackStudio/Dialogs/NewProjectDialog.cpp
@ -50,7 +50,7 @@ NewProjectDialog::NewProjectDialog(GUI::Window* parent)
    set_title("New project");

    auto main_widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-    main_widget->load_from_gml(new_project_dialog_gml);
+    main_widget->try_load_from_gml(new_project_dialog_gml).release_value_but_fixme_should_propagate_errors();

    m_icon_view_container = *main_widget->find_descendant_of_type_named<GUI::Widget>("icon_view_container");
    m_icon_view = m_icon_view_container->add<GUI::IconView>();
--- a/Userland/DevTools/HackStudio/GMLPreviewWidget.cpp
+++ b/Userland/DevTools/HackStudio/GMLPreviewWidget.cpp
@ -27,7 +27,8 @@ void GMLPreviewWidget::load_gml(DeprecatedString const& gml)
        return;
    }

-    load_from_gml(gml, [](DeprecatedString const& name) -> ErrorOr<NonnullRefPtr<Core::Object>> {
+    // FIXME: Parsing errors happen while the user is typing. What should we do about them?
+    (void)try_load_from_gml(gml, [](DeprecatedString const& name) -> ErrorOr<NonnullRefPtr<Core::Object>> {
        return GUI::Label::try_create(DeprecatedString::formatted("{} is not registered as a GML element!", name));
    });

--- a/Userland/DevTools/SQLStudio/MainWidget.cpp
+++ b/Userland/DevTools/SQLStudio/MainWidget.cpp
@ -61,8 +61,7 @@ static Vector<DeprecatedString> lookup_database_names()

 MainWidget::MainWidget()
 {
-    if (!load_from_gml(sql_studio_gml))
-        VERIFY_NOT_REACHED();
+    try_load_from_gml(sql_studio_gml).release_value_but_fixme_should_propagate_errors();

    m_new_action = GUI::Action::create("&New", { Mod_Ctrl, Key_N }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/new.png"sv).release_value_but_fixme_should_propagate_errors(), [this](auto&) {
        open_new_script();
--- a/Userland/Games/2048/GameSizeDialog.cpp
+++ b/Userland/Games/2048/GameSizeDialog.cpp
@ -26,8 +26,7 @@ GameSizeDialog::GameSizeDialog(GUI::Window* parent, size_t board_size, size_t ta
    set_resizable(false);

    auto main_widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-    if (!main_widget->load_from_gml(game_size_dialog_gml))
-        VERIFY_NOT_REACHED();
+    main_widget->try_load_from_gml(game_size_dialog_gml).release_value_but_fixme_should_propagate_errors();

    auto board_size_spinbox = main_widget->find_descendant_of_type_named<GUI::SpinBox>("board_size_spinbox");
    board_size_spinbox->set_value(m_board_size);
--- a/Userland/Games/2048/main.cpp
+++ b/Userland/Games/2048/main.cpp
@ -67,8 +67,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
    window->resize(315, 336);

    auto main_widget = TRY(window->set_main_widget<GUI::Widget>());
-    if (!main_widget->load_from_gml(game_window_gml))
-        VERIFY_NOT_REACHED();
+    TRY(main_widget->try_load_from_gml(game_window_gml));

    Game game { board_size, target_tile, evil_ai };

--- a/Userland/Games/Flood/SettingsDialog.cpp
+++ b/Userland/Games/Flood/SettingsDialog.cpp
@ -28,8 +28,7 @@ SettingsDialog::SettingsDialog(GUI::Window* parent, size_t board_rows, size_t bo
    set_resizable(false);

    auto main_widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-    if (!main_widget->load_from_gml(settings_dialog_gml))
-        VERIFY_NOT_REACHED();
+    main_widget->try_load_from_gml(settings_dialog_gml).release_value_but_fixme_should_propagate_errors();

    auto board_rows_spinbox = main_widget->find_descendant_of_type_named<GUI::SpinBox>("board_rows_spinbox");
    board_rows_spinbox->set_value(m_board_rows);
--- a/Userland/Games/Flood/main.cpp
+++ b/Userland/Games/Flood/main.cpp
@ -83,8 +83,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
    window->resize(304, 325);

    auto main_widget = TRY(window->set_main_widget<GUI::Widget>());
-    if (!main_widget->load_from_gml(flood_window_gml))
-        VERIFY_NOT_REACHED();
+    TRY(main_widget->try_load_from_gml(flood_window_gml));

    auto board_widget = TRY(main_widget->find_descendant_of_type_named<GUI::Widget>("board_widget_container")->try_add<BoardWidget>(board_rows, board_columns));
    board_widget->board()->randomize();
--- a/Userland/Games/GameOfLife/main.cpp
+++ b/Userland/Games/GameOfLife/main.cpp
@ -53,7 +53,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
    window->set_title("Game Of Life");

    auto main_widget = TRY(window->set_main_widget<GUI::Widget>());
-    main_widget->load_from_gml(game_of_life_gml);
+    TRY(main_widget->try_load_from_gml(game_of_life_gml));
    main_widget->set_fill_with_background_color(true);

    auto& main_toolbar = *main_widget->find_descendant_of_type_named<GUI::Toolbar>("toolbar");
--- a/Userland/Games/Hearts/main.cpp
+++ b/Userland/Games/Hearts/main.cpp
@ -51,7 +51,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
    window->set_title("Hearts");

    auto widget = TRY(window->set_main_widget<GUI::Widget>());
-    widget->load_from_gml(hearts_gml);
+    TRY(widget->try_load_from_gml(hearts_gml));

    auto& game = *widget->find_descendant_of_type_named<Hearts::Game>("game");
    game.set_focus(true);
--- a/Userland/Games/MasterWord/main.cpp
+++ b/Userland/Games/MasterWord/main.cpp
@ -47,7 +47,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
    window->set_resizable(false);

    auto main_widget = TRY(window->set_main_widget<GUI::Widget>());
-    main_widget->load_from_gml(master_word_gml);
+    TRY(main_widget->try_load_from_gml(master_word_gml));
    auto& game = *main_widget->find_descendant_of_type_named<MasterWord::WordGame>("word_game");
    auto& statusbar = *main_widget->find_descendant_of_type_named<GUI::Statusbar>("statusbar");

--- a/Userland/Games/Minesweeper/CustomGameDialog.cpp
+++ b/Userland/Games/Minesweeper/CustomGameDialog.cpp
@ -46,8 +46,7 @@ CustomGameDialog::CustomGameDialog(Window* parent_window)
    set_title("Custom game");

    auto main_widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-    if (!main_widget->load_from_gml(minesweeper_custom_game_window_gml))
-        VERIFY_NOT_REACHED();
+    main_widget->try_load_from_gml(minesweeper_custom_game_window_gml).release_value_but_fixme_should_propagate_errors();

    m_columns_spinbox = *main_widget->find_descendant_of_type_named<GUI::SpinBox>("columns_spinbox");
    m_rows_spinbox = *main_widget->find_descendant_of_type_named<GUI::SpinBox>("rows_spinbox");
--- a/Userland/Games/Minesweeper/main.cpp
+++ b/Userland/Games/Minesweeper/main.cpp
@ -50,7 +50,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
    window->resize(139, 177);

    auto widget = TRY(window->set_main_widget<GUI::Widget>());
-    widget->load_from_gml(minesweeper_window_gml);
+    TRY(widget->try_load_from_gml(minesweeper_window_gml));

    auto& separator = *widget->find_descendant_of_type_named<GUI::HorizontalSeparator>("separator");
    auto& container = *widget->find_descendant_of_type_named<GUI::Widget>("container");
--- a/Userland/Libraries/LibGUI/EmojiInputDialog.cpp
+++ b/Userland/Libraries/LibGUI/EmojiInputDialog.cpp
@ -93,8 +93,7 @@ EmojiInputDialog::EmojiInputDialog(Window* parent_window)
    , m_category_action_group(make<ActionGroup>())
 {
    auto main_widget = set_main_widget<Frame>().release_value_but_fixme_should_propagate_errors();
-    if (!main_widget->load_from_gml(emoji_input_dialog_gml))
-        VERIFY_NOT_REACHED();
+    main_widget->try_load_from_gml(emoji_input_dialog_gml).release_value_but_fixme_should_propagate_errors();

    set_window_type(GUI::WindowType::Popup);
    set_window_mode(GUI::WindowMode::Modeless);
--- a/Userland/Libraries/LibGUI/FilePicker.cpp
+++ b/Userland/Libraries/LibGUI/FilePicker.cpp
@ -85,8 +85,7 @@ FilePicker::FilePicker(Window* parent_window, Mode mode, StringView filename, St
    resize(560, 320);

    auto widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-    if (!widget->load_from_gml(file_picker_dialog_gml))
-        VERIFY_NOT_REACHED();
+    widget->try_load_from_gml(file_picker_dialog_gml).release_value_but_fixme_should_propagate_errors();

    auto& toolbar = *widget->find_descendant_of_type_named<GUI::Toolbar>("toolbar");

--- a/Userland/Libraries/LibGUI/FontPicker.cpp
+++ b/Userland/Libraries/LibGUI/FontPicker.cpp
@ -27,8 +27,7 @@ FontPicker::FontPicker(Window* parent_window, Gfx::Font const* current_font, boo
    set_icon(Gfx::Bitmap::try_load_from_file("/res/icons/16x16/app-font-editor.png"sv).release_value_but_fixme_should_propagate_errors());

    auto widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-    if (!widget->load_from_gml(font_picker_dialog_gml))
-        VERIFY_NOT_REACHED();
+    widget->try_load_from_gml(font_picker_dialog_gml).release_value_but_fixme_should_propagate_errors();

    m_family_list_view = *widget->find_descendant_of_type_named<ListView>("family_list_view");
    m_family_list_view->set_model(ItemListModel<DeprecatedString>::create(m_families));
--- a/Userland/Libraries/LibGUI/IncrementalSearchBanner.cpp
+++ b/Userland/Libraries/LibGUI/IncrementalSearchBanner.cpp
@ -19,7 +19,7 @@ namespace GUI {
 IncrementalSearchBanner::IncrementalSearchBanner(TextEditor& editor)
    : m_editor(editor)
 {
-    load_from_gml(incremental_search_banner_gml);
+    try_load_from_gml(incremental_search_banner_gml).release_value_but_fixme_should_propagate_errors();
    m_index_label = find_descendant_of_type_named<Label>("incremental_search_banner_index_label");

    m_wrap_search_button = find_descendant_of_type_named<Button>("incremental_search_banner_wrap_search_button");
--- a/Userland/Libraries/LibGUI/PasswordInputDialog.cpp
+++ b/Userland/Libraries/LibGUI/PasswordInputDialog.cpp
@ -23,8 +23,7 @@ PasswordInputDialog::PasswordInputDialog(Window* parent_window, DeprecatedString
    set_title(move(title));

    auto widget = set_main_widget<Widget>().release_value_but_fixme_should_propagate_errors();
-
-    widget->load_from_gml(password_input_dialog_gml);
+    widget->try_load_from_gml(password_input_dialog_gml).release_value_but_fixme_should_propagate_errors();

    auto& key_icon_label = *widget->find_descendant_of_type_named<GUI::Label>("key_icon_label");

--- a/Userland/Services/LoginServer/LoginWindow.cpp
+++ b/Userland/Services/LoginServer/LoginWindow.cpp
@ -21,7 +21,7 @@ LoginWindow::LoginWindow(GUI::Window* parent)
    set_icon(GUI::Icon::default_icon("ladyball"sv).bitmap_for_size(16));

    auto widget = set_main_widget<GUI::Widget>().release_value_but_fixme_should_propagate_errors();
-    widget->load_from_gml(login_window_gml);
+    widget->try_load_from_gml(login_window_gml).release_value_but_fixme_should_propagate_errors();
    m_banner = *widget->find_descendant_of_type_named<GUI::ImageWidget>("banner");
    m_banner->load_from_file("/res/graphics/brand-banner.png"sv);
    m_banner->set_auto_resize(true);