apps: Add about

apps/CMakeLists.txt

@@ -42,5 +42,7 @@ luna_app(touch.cpp touch)
 luna_app(free.cpp free)
 luna_app(gclient.cpp gclient)
 target_link_libraries(gclient PUBLIC ui)
+luna_app(about.cpp about)
+target_link_libraries(about PUBLIC ui)
 luna_app(taskbar.cpp taskbar)
 target_link_libraries(taskbar PUBLIC ui)

apps/about.cpp

@@ -0,0 +1,46 @@
+#include <luna/String.h>
+#include <sys/utsname.h>
+#include <ui/App.h>
+#include <ui/Button.h>
+#include <ui/Label.h>
+#include <ui/Layout.h>
+
+Result<int> luna_main(int argc, char** argv)
+{
+    ui::App app;
+    TRY(app.init(argc, argv));
+
+    auto* window = TRY(ui::Window::create(ui::Rect { 300, 300, 400, 300 }));
+    app.set_main_window(window);
+
+    window->set_title("About");
+    window->set_background(ui::CYAN);
+
+    utsname info;
+    uname(&info);
+
+    ui::VerticalLayout main_layout;
+    window->set_main_widget(main_layout);
+
+    ui::Label title("About Luna", ui::VerticalAlignment::Center, ui::HorizontalAlignment::Center,
+                    ui::Font::default_bold_font());
+    main_layout.add_widget(title);
+
+    ui::VerticalLayout version_info;
+    main_layout.add_widget(version_info);
+
+    ui::Label license("Licensed under the BSD-2-Clause license.");
+    main_layout.add_widget(license);
+
+    String os_release_text = TRY(String::format("OS release: %s"_sv, info.release));
+    ui::Label os_release(os_release_text.view());
+    version_info.add_widget(os_release);
+
+    String kernel_version_text = TRY(String::format("Kernel version: %s"_sv, info.version));
+    ui::Label kernel_version(kernel_version_text.view());
+    version_info.add_widget(kernel_version);
+
+    window->draw();
+
+    return app.run();
+}

apps/taskbar.cpp

@@ -1,3 +1,4 @@
+#include <os/File.h>
 #include <os/Process.h>
 #include <signal.h>
 #include <sys/wait.h>
@@ -30,18 +31,31 @@ Result<int> luna_main(int argc, char** argv)
     ui::HorizontalLayout layout(ui::AdjustHeight::Yes, ui::AdjustWidth::No);
     window->set_main_widget(layout);
 
-    ui::Button button({ 0, 0, 50, 50 });
+    ui::Button start_button({ 0, 0, 50, 50 });
-    layout.add_widget(button);
+    layout.add_widget(start_button);
 
-    ui::Container container({ 0, 0, 50, 50 }, ui::VerticalAlignment::Center, ui::HorizontalAlignment::Center);
+    ui::Container start_container({ 0, 0, 50, 50 }, ui::VerticalAlignment::Center, ui::HorizontalAlignment::Center);
-    button.set_widget(container);
+    start_button.set_widget(start_container);
-    button.set_action([] {
+    start_button.set_action([] {
         StringView args[] = { "/usr/bin/gclient" };
         os::Process::spawn("/usr/bin/gclient", Slice<StringView> { args, 1 }, false);
     });
 
-    auto image = TRY(ui::ImageWidget::load("/usr/share/icons/32x32/start-icon.tga"));
+    auto start_image = TRY(ui::ImageWidget::load("/usr/share/icons/32x32/start-icon.tga"));
-    container.set_widget(*image);
+    start_container.set_widget(*start_image);
+
+    ui::Button about_button({ 0, 0, 50, 50 });
+    layout.add_widget(about_button);
+
+    ui::Container about_container({ 0, 0, 50, 50 }, ui::VerticalAlignment::Center, ui::HorizontalAlignment::Center);
+    about_button.set_widget(about_container);
+    about_button.set_action([] {
+        StringView args[] = { "/usr/bin/about" };
+        os::Process::spawn("/usr/bin/about", Slice<StringView> { args, 1 }, false);
+    });
+
+    auto about_image = TRY(ui::ImageWidget::load("/usr/share/icons/32x32/app-about.tga"));
+    about_container.set_widget(*about_image);
 
     window->draw();