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LibGfx+Userland: Make Gfx::SystemTheme propagate errors

Browse source 
This patch introduces error propagation to Gfx::SystemTheme to remove
instances of release_value_but_fixme_should_propagate_errors().

Userland applications that have been affected by this change have been
updated to utilise this propagation and as a result 4 such instances of
the aforementioned method have been removed.
This commit is contained in:
Cygnix Proto 2022-12-06 16:26:13 +00:00 • committed by Linus Groh
parent bdd9bc16de
commit 806a55eda1
15 changed files with 64 additions and 39 deletions
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13
Userland/Applications/ThemeEditor/MainWidget.cpp
View file

@ -208,7 +208,11 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
auto response = FileSystemAccessClient::Client::the().try_open_file(&window, "Select theme file", "/res/themes"sv);
if (response.is_error())
return;
load_from_file(*response.value());
auto load_from_file_result = load_from_file(*response.value());
if (load_from_file_result.is_error()) {
GUI::MessageBox::show_error(&window, DeprecatedString::formatted("Can't open file named {}: {}", response.value()->filename(), load_from_file_result.error()));
return;
}
})));
m_save_action = GUI::CommonActions::make_save_action([&](auto&) {
@ -557,10 +561,10 @@ void MainWidget::show_path_picker_dialog(StringView property_display_name, GUI::
path_input.set_text(*result);
}
void MainWidget::load_from_file(Core::File& file)
ErrorOr<void> MainWidget::load_from_file(Core::File& file)
{
auto config_file = Core::ConfigFile::open(file.filename(), file.leak_fd()).release_value_but_fixme_should_propagate_errors();
auto theme = Gfx::load_system_theme(config_file);
auto config_file = TRY(Core::ConfigFile::open(file.filename(), file.leak_fd()));
auto theme = TRY(Gfx::load_system_theme(config_file));
VERIFY(theme.is_valid());
auto new_palette = Gfx::Palette(Gfx::PaletteImpl::create_with_anonymous_buffer(theme));
@ -599,6 +603,7 @@ void MainWidget::load_from_file(Core::File& file)
m_last_modified_time = Time::now_monotonic();
window()->set_modified(false);
return {};
}
}

2
Userland/Applications/ThemeEditor/MainWidget.h
View file

@ -85,7 +85,7 @@ public:
ErrorOr<void> initialize_menubar(GUI::Window&);
GUI::Window::CloseRequestDecision request_close();
void update_title();
void load_from_file(Core::File&);
ErrorOr<void> load_from_file(Core::File&);
private:
MainWidget();

5
Userland/Applications/ThemeEditor/PreviewWidget.cpp
View file

@ -160,7 +160,10 @@ void PreviewWidget::drop_event(GUI::DropEvent& event)
auto response = FileSystemAccessClient::Client::the().try_request_file(window(), urls.first().path(), Core::OpenMode::ReadOnly);
if (response.is_error())
return;
set_theme_from_file(*response.value());
auto set_theme_from_file_result = set_theme_from_file(response.release_value());
if (set_theme_from_file_result.is_error())
GUI::MessageBox::show_error(window(), DeprecatedString::formatted("Setting theme from file has failed: {}", set_theme_from_file_result.error()));
}
}

7
Userland/Applications/ThemeEditor/main.cpp
View file

@ -56,8 +56,11 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
auto response = FileSystemAccessClient::Client::the().try_request_file_read_only_approved(window, path.value());
if (response.is_error())
GUI::MessageBox::show_error(window, DeprecatedString::formatted("Opening \"{}\" failed: {}", path.value(), response.error()));
else
main_widget->load_from_file(response.release_value());
else {
auto load_from_file_result = main_widget->load_from_file(response.release_value());
if (load_from_file_result.is_error())
GUI::MessageBox::show_error(window, DeprecatedString::formatted("Loading theme from file has failed: {}", load_from_file_result.error()));
}
});
}