GameOfLife: Use the GML compiler

Author: tcl3

Userland/Games/GameOfLife/CMakeLists.txt

@@ -4,18 +4,15 @@ serenity_component(
     TARGETS GameOfLife
 )
 
-stringify_gml(GameOfLife.gml GameOfLifeGML.h game_of_life_gml)
+compile_gml(GameOfLife.gml GameOfLifeGML.cpp)
 
 set(SOURCES
     main.cpp
     Board.cpp
     BoardWidget.cpp
+    GameOfLifeGML.cpp
     Pattern.cpp
 )
 
-set(GENERATED_SOURCES
-    GameOfLifeGML.h
-)
-
 serenity_app(GameOfLife ICON app-gameoflife)
 target_link_libraries(GameOfLife PRIVATE LibCore LibGfx LibGUI LibMain LibDesktop)

Userland/Games/GameOfLife/GameOfLife.gml

@@ -1,4 +1,4 @@
-@GUI::Widget {
+@GameOfLife::MainWidget {
     layout: @GUI::VerticalBoxLayout {}
 
     @GUI::ToolbarContainer {

Userland/Games/GameOfLife/MainWidget.h

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2023, Tim Ledbetter <timledbetter@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibGUI/Widget.h>
+
+namespace GameOfLife {
+
+class MainWidget : public GUI::Widget {
+    C_OBJECT_ABSTRACT(MainWidget)
+public:
+    static ErrorOr<NonnullRefPtr<MainWidget>> try_create();
+    virtual ~MainWidget() override = default;
+
+private:
+    MainWidget() = default;
+};
+
+}

Userland/Games/GameOfLife/main.cpp

@@ -6,9 +6,9 @@
  */
 
 #include "BoardWidget.h"
+#include "MainWidget.h"
 #include <AK/Try.h>
 #include <AK/URL.h>
-#include <Games/GameOfLife/GameOfLifeGML.h>
 #include <LibCore/System.h>
 #include <LibDesktop/Launcher.h>
 #include <LibGUI/Application.h>
@@ -53,8 +53,8 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     window->set_double_buffering_enabled(false);
     window->set_title("Game of Life");
 
-    auto main_widget = window->set_main_widget<GUI::Widget>();
-    TRY(main_widget->load_from_gml(game_of_life_gml));
+    auto main_widget = TRY(GameOfLife::MainWidget::try_create());
+    window->set_main_widget(main_widget);
     main_widget->set_fill_with_background_color(true);
 
     auto& main_toolbar = *main_widget->find_descendant_of_type_named<GUI::Toolbar>("toolbar");