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https://github.com/RGBCube/serenity
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ThemeEditor: Make GUI initialization fallible
To do this, all GUI logic is moved into try_create() factory functions.
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commit
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4 changed files with 78 additions and 47 deletions
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@ -206,21 +206,30 @@ static const PropertyTab color_scheme_tab {
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}
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};
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MainWidget::MainWidget()
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: m_current_palette(GUI::Application::the()->palette())
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ErrorOr<NonnullRefPtr<MainWidget>> MainWidget::try_create()
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{
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load_from_gml(theme_editor_gml);
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auto alignment_model = TRY(AlignmentModel::try_create());
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m_alignment_model = MUST(AlignmentModel::try_create());
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auto main_widget = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) MainWidget(move(alignment_model))));
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m_preview_widget = find_descendant_of_type_named<ThemeEditor::PreviewWidget>("preview_widget");
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m_property_tabs = find_descendant_of_type_named<GUI::TabWidget>("property_tabs");
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add_property_tab(window_tab);
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add_property_tab(widgets_tab);
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add_property_tab(syntax_highlighting_tab);
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add_property_tab(color_scheme_tab);
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TRY(main_widget->try_load_from_gml(theme_editor_gml));
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main_widget->m_preview_widget = main_widget->find_descendant_of_type_named<ThemeEditor::PreviewWidget>("preview_widget");
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main_widget->m_property_tabs = main_widget->find_descendant_of_type_named<GUI::TabWidget>("property_tabs");
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build_override_controls();
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TRY(main_widget->add_property_tab(window_tab));
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TRY(main_widget->add_property_tab(widgets_tab));
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TRY(main_widget->add_property_tab(syntax_highlighting_tab));
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TRY(main_widget->add_property_tab(color_scheme_tab));
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main_widget->build_override_controls();
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return main_widget;
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}
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MainWidget::MainWidget(NonnullRefPtr<AlignmentModel> alignment_model)
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: m_current_palette(GUI::Application::the()->palette())
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, m_alignment_model(move(alignment_model))
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{
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}
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ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
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@ -418,31 +427,31 @@ void MainWidget::build_override_controls()
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};
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}
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void MainWidget::add_property_tab(PropertyTab const& property_tab)
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ErrorOr<void> MainWidget::add_property_tab(PropertyTab const& property_tab)
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{
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auto& scrollable_container = m_property_tabs->add_tab<GUI::ScrollableContainerWidget>(property_tab.title);
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scrollable_container.set_should_hide_unnecessary_scrollbars(true);
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auto scrollable_container = TRY(m_property_tabs->try_add_tab<GUI::ScrollableContainerWidget>(property_tab.title));
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scrollable_container->set_should_hide_unnecessary_scrollbars(true);
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auto properties_list = GUI::Widget::construct();
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scrollable_container.set_widget(properties_list);
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properties_list->set_layout<GUI::VerticalBoxLayout>();
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auto properties_list = TRY(GUI::Widget::try_create());
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scrollable_container->set_widget(properties_list);
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(void)TRY(properties_list->try_set_layout<GUI::VerticalBoxLayout>());
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properties_list->layout()->set_spacing(12);
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properties_list->layout()->set_margins({ 8 });
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for (auto const& group : property_tab.property_groups) {
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NonnullRefPtr<GUI::GroupBox> group_box = properties_list->add<GUI::GroupBox>(group.title);
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group_box->set_layout<GUI::VerticalBoxLayout>();
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NonnullRefPtr<GUI::GroupBox> group_box = TRY(properties_list->try_add<GUI::GroupBox>(group.title));
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(void)TRY(group_box->try_set_layout<GUI::VerticalBoxLayout>());
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group_box->layout()->set_spacing(12);
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// 1px less on the left makes the text line up with the group title.
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group_box->layout()->set_margins({ 8, 8, 8, 7 });
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group_box->set_preferred_height(GUI::SpecialDimension::Fit);
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for (auto const& property : group.properties) {
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NonnullRefPtr<GUI::Widget> row_widget = group_box->add<GUI::Widget>();
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NonnullRefPtr<GUI::Widget> row_widget = TRY(group_box->try_add<GUI::Widget>());
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row_widget->set_fixed_height(22);
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property.role.visit(
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[&](Gfx::AlignmentRole role) {
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row_widget->load_from_gml(alignment_property_gml);
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TRY(property.role.visit(
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[&](Gfx::AlignmentRole role) -> ErrorOr<void> {
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TRY(row_widget->try_load_from_gml(alignment_property_gml));
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auto& name_label = *row_widget->find_descendant_of_type_named<GUI::Label>("name");
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name_label.set_text(to_string(role));
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@ -456,9 +465,10 @@ void MainWidget::add_property_tab(PropertyTab const& property_tab)
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VERIFY(m_alignment_inputs[to_underlying(role)].is_null());
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m_alignment_inputs[to_underlying(role)] = alignment_picker;
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return {};
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},
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[&](Gfx::ColorRole role) {
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row_widget->load_from_gml(color_property_gml);
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[&](Gfx::ColorRole role) -> ErrorOr<void> {
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TRY(row_widget->try_load_from_gml(color_property_gml));
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auto& name_label = *row_widget->find_descendant_of_type_named<GUI::Label>("name");
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name_label.set_text(to_string(role));
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@ -471,9 +481,10 @@ void MainWidget::add_property_tab(PropertyTab const& property_tab)
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VERIFY(m_color_inputs[to_underlying(role)].is_null());
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m_color_inputs[to_underlying(role)] = color_input;
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return {};
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},
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[&](Gfx::FlagRole role) {
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row_widget->load_from_gml(flag_property_gml);
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[&](Gfx::FlagRole role) -> ErrorOr<void> {
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TRY(row_widget->try_load_from_gml(flag_property_gml));
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auto& checkbox = *row_widget->find_descendant_of_type_named<GUI::CheckBox>("checkbox");
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checkbox.set_text(to_string(role));
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@ -484,9 +495,10 @@ void MainWidget::add_property_tab(PropertyTab const& property_tab)
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VERIFY(m_flag_inputs[to_underlying(role)].is_null());
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m_flag_inputs[to_underlying(role)] = checkbox;
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return {};
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},
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[&](Gfx::MetricRole role) {
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row_widget->load_from_gml(metric_property_gml);
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[&](Gfx::MetricRole role) -> ErrorOr<void> {
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TRY(row_widget->try_load_from_gml(metric_property_gml));
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auto& name_label = *row_widget->find_descendant_of_type_named<GUI::Label>("name");
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name_label.set_text(to_string(role));
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@ -499,9 +511,10 @@ void MainWidget::add_property_tab(PropertyTab const& property_tab)
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VERIFY(m_metric_inputs[to_underlying(role)].is_null());
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m_metric_inputs[to_underlying(role)] = spin_box;
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return {};
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},
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[&](Gfx::PathRole role) {
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row_widget->load_from_gml(path_property_gml);
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[&](Gfx::PathRole role) -> ErrorOr<void> {
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TRY(row_widget->try_load_from_gml(path_property_gml));
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auto& name_label = *row_widget->find_descendant_of_type_named<GUI::Label>("name");
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name_label.set_text(to_string(role));
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@ -520,9 +533,12 @@ void MainWidget::add_property_tab(PropertyTab const& property_tab)
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VERIFY(m_path_inputs[to_underlying(role)].is_null());
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m_path_inputs[to_underlying(role)] = path_input;
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});
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return {};
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}));
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}
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}
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return {};
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}
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void MainWidget::set_alignment(Gfx::AlignmentRole role, Gfx::TextAlignment value)
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