Games: Add GameOfLife

This patch introduces a new game based on Conway's Game of Life.

1 files changed, 170 insertions, 0 deletions

diff --git a/Userland/Games/GameOfLife/main.cpp b/Userland/Games/GameOfLife/main.cpp
new file mode 100644
index 0000000000..0fc71f0bbe
--- /dev/null
+++ b/Userland/Games/GameOfLife/main.cpp
@@ -0,0 +1,170 @@
+/*
+ * Copyright (c) 2021, Andres Crucitti <dasc495@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include "BoardWidget.h"
+#include <Games/GameOfLife/GameOfLifeGML.h>
+#include <LibGUI/Application.h>
+#include <LibGUI/BoxLayout.h>
+#include <LibGUI/Button.h>
+#include <LibGUI/Icon.h>
+#include <LibGUI/Label.h>
+#include <LibGUI/Menu.h>
+#include <LibGUI/Menubar.h>
+#include <LibGUI/MessageBox.h>
+#include <LibGUI/Slider.h>
+#include <LibGUI/SpinBox.h>
+#include <LibGUI/Statusbar.h>
+#include <LibGUI/Toolbar.h>
+#include <LibGUI/ToolbarContainer.h>
+#include <LibGUI/Window.h>
+
+const char* click_tip = "Tip: click the board to toggle individual cells, or click+drag to toggle multiple cells";
+
+int main(int argc, char** argv)
+{
+    auto app = GUI::Application::construct(argc, argv);
+    auto app_icon = GUI::Icon::default_icon("app-gameoflife");
+
+    auto window = GUI::Window::construct();
+    window->set_icon(app_icon.bitmap_for_size(16));
+
+    size_t board_columns = 35;
+    size_t board_rows = 35;
+
+    window->set_double_buffering_enabled(false);
+    window->set_title("Game Of Life");
+
+    auto& main_widget = window->set_main_widget<GUI::Widget>();
+    main_widget.load_from_gml(game_of_life_gml);
+    main_widget.set_fill_with_background_color(true);
+
+    auto& main_toolbar = *main_widget.find_descendant_of_type_named<GUI::Toolbar>("toolbar");
+
+    auto& board_widget_container = *main_widget.find_descendant_of_type_named<GUI::Widget>("board_widget_container");
+    auto& board_layout = board_widget_container.set_layout<GUI::VerticalBoxLayout>();
+    board_layout.set_spacing(0);
+    auto& board_widget = board_widget_container.add<BoardWidget>(board_rows, board_columns);
+    board_widget.randomize_cells();
+
+    auto& statusbar = *main_widget.find_descendant_of_type_named<GUI::Statusbar>("statusbar");
+    statusbar.set_text(click_tip);
+
+    auto& columns_spinbox = *main_widget.find_descendant_of_type_named<GUI::SpinBox>("columns_spinbox");
+    auto& rows_spinbox = *main_widget.find_descendant_of_type_named<GUI::SpinBox>("rows_spinbox");
+
+    columns_spinbox.set_value(board_columns);
+    rows_spinbox.set_value(board_rows);
+
+    auto size_changed_function = [&] {
+        statusbar.set_text(click_tip);
+        board_widget.update_board(rows_spinbox.value(), columns_spinbox.value());
+        board_widget.randomize_cells();
+        board_widget.update();
+    };
+
+    rows_spinbox.on_change = [&](auto) { size_changed_function(); };
+    columns_spinbox.on_change = [&](auto) { size_changed_function(); };
+
+    auto& interval_spinbox = *main_widget.find_descendant_of_type_named<GUI::SpinBox>("interval_spinbox");
+
+    interval_spinbox.on_change = [&](auto value) {
+        board_widget.set_running_timer_interval(value);
+    };
+
+    interval_spinbox.set_value(150);
+
+    auto interval_label = GUI::Label::construct();
+    interval_label->set_fixed_width(15);
+    interval_label->set_text("ms");
+
+    main_toolbar.add_child(interval_label);
+
+    auto paused_icon = Gfx::Bitmap::load_from_file("/res/icons/16x16/pause.png");
+    auto play_icon = Gfx::Bitmap::load_from_file("/res/icons/16x16/play.png");
+
+    auto toggle_running_action = GUI::Action::create("Toggle Running", { Mod_None, Key_Return }, *play_icon, [&](GUI::Action&) {
+        board_widget.set_running(!board_widget.is_running());
+    });
+
+    toggle_running_action->set_checkable(true);
+    main_toolbar.add_action(toggle_running_action);
+
+    auto run_one_generation_action = GUI::Action::create("Run Next Generation", { Mod_Ctrl, Key_Equal }, Gfx::Bitmap::load_from_file("/res/icons/16x16/go-forward.png"), [&](const GUI::Action&) {
+        statusbar.set_text(click_tip);
+        board_widget.run_generation();
+    });
+    main_toolbar.add_action(run_one_generation_action);
+
+    auto clear_board_action = GUI::Action::create("Clear board", { Mod_Ctrl, Key_N }, Gfx::Bitmap::load_from_file("/res/icons/16x16/delete.png"), [&](auto&) {
+        statusbar.set_text(click_tip);
+        board_widget.clear_cells();
+        board_widget.update();
+    });
+    main_toolbar.add_action(clear_board_action);
+
+    auto randomize_cells_action = GUI::Action::create("Randomize board", { Mod_Ctrl, Key_R }, Gfx::Bitmap::load_from_file("/res/icons/16x16/reload.png"), [&](auto&) {
+        statusbar.set_text(click_tip);
+        board_widget.randomize_cells();
+        board_widget.update();
+    });
+    main_toolbar.add_action(randomize_cells_action);
+
+    auto menubar = GUI::Menubar::construct();
+    auto& app_menu = menubar->add_menu("Game Of Life");
+
+    app_menu.add_action(clear_board_action);
+    app_menu.add_action(randomize_cells_action);
+    app_menu.add_separator();
+    app_menu.add_action(toggle_running_action);
+    app_menu.add_action(run_one_generation_action);
+
+    app_menu.add_action(GUI::CommonActions::make_quit_action([](auto&) {
+        GUI::Application::the()->quit();
+    }));
+
+    auto& help_menu = menubar->add_menu("Help");
+    help_menu.add_action(GUI::CommonActions::make_about_action("GameOfLife", app_icon, window));
+
+    window->set_menubar(move(menubar));
+
+    board_widget.on_running_state_change = [&]() {
+        if (board_widget.is_running()) {
+            statusbar.set_text("Running...");
+            toggle_running_action->set_icon(paused_icon);
+            main_widget.set_override_cursor(Gfx::StandardCursor::None);
+        } else {
+            statusbar.set_text(click_tip);
+            toggle_running_action->set_icon(play_icon);
+            main_widget.set_override_cursor(Gfx::StandardCursor::Drag);
+        }
+
+        interval_spinbox.set_value(board_widget.running_timer_interval());
+
+        rows_spinbox.set_enabled(!board_widget.is_running());
+        columns_spinbox.set_enabled(!board_widget.is_running());
+        interval_spinbox.set_enabled(!board_widget.is_running());
+
+        run_one_generation_action->set_enabled(!board_widget.is_running());
+        clear_board_action->set_enabled(!board_widget.is_running());
+        randomize_cells_action->set_enabled(!board_widget.is_running());
+
+        board_widget.update();
+    };
+
+    board_widget.on_stall = [&] {
+        toggle_running_action->activate();
+        statusbar.set_text("Stalled...");
+    };
+
+    board_widget.on_cell_toggled = [&](auto, auto) {
+        statusbar.set_text(click_tip);
+    };
+
+    window->resize(500, 420);
+    window->show();
+
+    return app->exec();
+}