Add a little About app and hook it up to the system menu's "About..." entry.

Added icons and customizable text alignment to GLabel.

Applications/About/.gitignore

@@ -0,0 +1,3 @@
+*.o
+*.d
+About

Applications/About/Makefile

@@ -0,0 +1,34 @@
+OBJS = \
+    main.o
+
+APP = About
+
+ARCH_FLAGS =
+STANDARD_FLAGS = -std=c++17 -nostdinc++ -nostdlib -nostdinc
+USERLAND_FLAGS = -ffreestanding -fno-stack-protector -fno-ident
+WARNING_FLAGS = -Wextra -Wall -Wundef -Wcast-qual -Wwrite-strings
+FLAVOR_FLAGS = -march=i386 -m32 -fno-exceptions -fno-rtti -fmerge-all-constants -fno-unroll-loops -fno-pie -fno-pic
+OPTIMIZATION_FLAGS = -Oz -fno-asynchronous-unwind-tables
+INCLUDE_FLAGS = -I../.. -I. -I../../LibC
+
+DEFINES = -DSERENITY -DSANITIZE_PTRS -DUSERLAND
+
+CXXFLAGS = -MMD -MP $(WARNING_FLAGS) $(OPTIMIZATION_FLAGS) $(USERLAND_FLAGS) $(FLAVOR_FLAGS) $(ARCH_FLAGS) $(STANDARD_FLAGS) $(INCLUDE_FLAGS) $(DEFINES)
+CXX = clang
+LD = ld
+AR = ar
+LDFLAGS = -static --strip-debug -melf_i386 -e _start --gc-sections
+
+all: $(APP)
+
+$(APP): $(OBJS)
+	$(LD) -o $(APP) $(LDFLAGS) $(OBJS) ../../LibGUI/LibGUI.a ../../LibC/LibC.a
+
+.cpp.o:
+	@echo "CXX $<"; $(CXX) $(CXXFLAGS) -o $@ -c $<
+
+-include $(OBJS:%.o=%.d)
+
+clean:
+	@echo "CLEAN"; rm -f $(APPS) $(OBJS) *.d
+

Applications/About/main.cpp

@@ -0,0 +1,47 @@
+#include <LibGUI/GApplication.h>
+#include <LibGUI/GWindow.h>
+#include <LibGUI/GLabel.h>
+#include <LibGUI/GButton.h>
+#include <sys/utsname.h>
+
+int main(int argc, char** argv)
+{
+    GApplication app(argc, argv);
+
+    auto* window = new GWindow;
+    window->set_title("About Serenity");
+    window->set_rect(362, 284, 240, 130);
+    window->set_should_exit_app_on_close(true);
+
+    auto* widget = new GWidget;
+    window->set_main_widget(widget);
+
+    auto* icon_label = new GLabel(widget);
+    icon_label->set_icon(GraphicsBitmap::load_from_file("/res/icons/Serenity.rgb", { 32, 32 }));
+    icon_label->set_relative_rect(
+        widget->rect().center().x() - 16,
+        10,
+        32, 32);
+
+    auto* label = new GLabel(widget);
+    label->set_text("Serenity Operating System");
+    label->set_relative_rect(0, 50, widget->width(), 20);
+
+    utsname uts;
+    int rc = uname(&uts);
+    ASSERT(rc == 0);
+
+    auto* version_label = new GLabel(widget);
+    version_label->set_text(String::format("Version %s", uts.release));
+    version_label->set_relative_rect(0, 70, widget->width(), 20);
+
+    auto* quit_button = new GButton(widget);
+    quit_button->set_caption("Okay");
+    quit_button->set_relative_rect(80, 100, widget->width() - 160, 20);
+    quit_button->on_click = [] (GButton&) {
+        GApplication::the().exit(0);
+    };
+
+    window->show();
+    return app.exec();
+}

Applications/FontEditor/FontEditor.cpp

@@ -42,6 +42,7 @@ FontEditorWidget::FontEditorWidget(const String& path, RetainPtr<Font>&& edited_
     };
 
     auto* info_label = new GLabel(this);
+    info_label->set_text_alignment(TextAlignment::CenterLeft);
     info_label->set_relative_rect({ 5, 110, 100, 20 });
 
     auto* demo_label_1 = new GLabel(this);