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Cube: Use TRY() a lot more :^)

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pbrw 2021-11-25 02:54:16 +01:00 committed by Andreas Kling
parent 370c5986ab
commit 79bc587d03
Notes: sideshowbarker 2024-07-18 00:41:07 +09:00 
Author: https://github.com/pbrw
Commit: https://github.com/SerenityOS/serenity/commit/79bc587d03f
Pull-request: https://github.com/SerenityOS/serenity/pull/11052
2 changed files with 26 additions and 35 deletions
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2
Userland/Demos/Cube/CMakeLists.txt
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@ -8,4 +8,4 @@ set(SOURCES
)
serenity_app(Cube ICON app-cube)
target_link_libraries(Cube LibGUI)
target_link_libraries(Cube LibGUI LibMain)

59
Userland/Demos/Cube/Cube.cpp
View file

@ -6,6 +6,7 @@
#include <LibCore/ArgsParser.h>
#include <LibCore/ElapsedTimer.h>
#include <LibCore/System.h>
#include <LibGUI/Application.h>
#include <LibGUI/Icon.h>
#include <LibGUI/Label.h>
@ -17,6 +18,7 @@
#include <LibGfx/Bitmap.h>
#include <LibGfx/Matrix4x4.h>
#include <LibGfx/Vector3.h>
#include <LibMain/Main.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
@ -198,31 +200,20 @@ void Cube::set_show_window_frame(bool show)
w.set_alpha_hit_threshold(m_show_window_frame ? 0 : 1);
}
int main(int argc, char** argv)
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
auto app = GUI::Application::construct(argc, argv);
auto app = TRY(GUI::Application::try_create(arguments));
if (pledge("stdio recvfd sendfd rpath", nullptr) < 0) {
perror("pledge");
return 1;
}
if (unveil("/res", "r") < 0) {
perror("unveil");
return 1;
}
if (unveil(nullptr, nullptr) < 0) {
perror("unveil");
return 1;
}
TRY(Core::System::pledge("stdio recvfd sendfd rpath", nullptr));
TRY(Core::System::unveil("/res", "r"));
TRY(Core::System::unveil(nullptr, nullptr));
Core::ArgsParser parser;
parser.set_general_help("Create a window with a spinning cube.");
parser.add_option(flag_hide_window_frame, "Hide window frame", "hide-window", 'h');
parser.parse(argc, argv);
parser.parse(arguments);
auto window = GUI::Window::construct();
auto window = TRY(GUI::Window::try_create());
window->set_double_buffering_enabled(true);
window->set_title("Cube");
window->set_resizable(false);
@ -230,31 +221,31 @@ int main(int argc, char** argv)
window->set_has_alpha_channel(true);
window->set_alpha_hit_threshold(1);
auto& cube = window->set_main_widget<Cube>();
auto cube = TRY(window->try_set_main_widget<Cube>());
auto& time = cube.add<GUI::Label>();
time.set_relative_rect({ 0, 4, 40, 10 });
time.move_by({ window->width() - time.width(), 0 });
cube.set_stat_label(time);
auto time = TRY(cube->try_add<GUI::Label>());
time->set_relative_rect({ 0, 4, 40, 10 });
time->move_by({ window->width() - time->width(), 0 });
cube->set_stat_label(time);
auto app_icon = GUI::Icon::default_icon("app-cube");
window->set_icon(app_icon.bitmap_for_size(16));
auto& file_menu = window->add_menu("&File");
auto file_menu = TRY(window->try_add_menu("&File"));
auto show_window_frame_action = GUI::Action::create_checkable("Show Window &Frame", [&](auto& action) {
cube.set_show_window_frame(action.is_checked());
cube->set_show_window_frame(action.is_checked());
});
cube.set_show_window_frame(!flag_hide_window_frame);
show_window_frame_action->set_checked(cube.show_window_frame());
file_menu.add_action(move(show_window_frame_action));
file_menu.add_separator();
file_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); }));
auto& help_menu = window->add_menu("&Help");
help_menu.add_action(GUI::CommonActions::make_about_action("Cube Demo", app_icon, window));
cube->set_show_window_frame(!flag_hide_window_frame);
show_window_frame_action->set_checked(cube->show_window_frame());
TRY(file_menu->try_add_action(move(show_window_frame_action)));
TRY(file_menu->try_add_separator());
TRY(file_menu->try_add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); })));
auto help_menu = TRY(window->try_add_menu("&Help"));
TRY(help_menu->try_add_action(GUI::CommonActions::make_about_action("Cube Demo", app_icon, window)));
cube.on_context_menu_request = [&](auto& event) {
file_menu.popup(event.screen_position());
cube->on_context_menu_request = [&](auto& event) {
file_menu->popup(event.screen_position());
};
window->show();