Modernize code

CMakeLists.txt

@@ -79,8 +79,8 @@ add_executable(LearnGtk4 main.cpp
         app_win_2_back.hpp
 )
 
-set_target_properties(LearnGtk4 assimp spdlog_header_only PROPERTIES
+set_target_properties(LearnGtk4 spdlog_header_only PROPERTIES
-        CXX_STANDARD 17
+        CXX_STANDARD 23
         CXX_STANDARD_REQUIRED ON
         CXX_EXTENSIONS OFF
         INTERPROCEDURAL_OPTIMIZATION ON

app_win_2_back.cpp

@@ -1,10 +1,16 @@
 #include "app_win_2_back.hpp"
 #include "hello_world.hpp"
+
 #include <glibmm/miscutils.h>
 #include <gtkmm/switch.h>
 #include <spdlog/spdlog.h>
 
+#include <ranges>
+
 namespace gui_to_app {
+    namespace ranges = std::ranges;
+    namespace views = std::views;
+
     AppWin2Back::AppWin2Back() : Gtk::Application("org.billy_adventures.character_sheet", Flags::HANDLES_OPEN) {
         Glib::set_application_name("Billy's character sheet");
     }
@@ -36,7 +42,7 @@ namespace gui_to_app {
     void AppWin2Back::on_activate() {
         Application::on_activate();
 
-        app_builder = [this]() -> Glib::RefPtr<Gtk::Builder> {
+        app_builder = [this] -> Glib::RefPtr<Gtk::Builder> {
             try {
                 return Gtk::Builder::create_from_file("window_ui.ui");
             } catch (const std::exception &e) {
@@ -73,7 +79,7 @@ namespace gui_to_app {
         rock_kit_switch = app_builder->get_widget<Gtk::Switch>("rock_kit_switch");
         sack_switch = app_builder->get_widget<Gtk::Switch>("sack_switch");
 
-        const auto test_result = [this]() -> std::vector<const char *> {
+        const auto test_result = [this] -> std::vector<const char *> {
             const std::array test_ptrs{
                 std::pair{ "sword_switch", sword_switch == nullptr },
                 std::pair{ "lance_switch", lance_switch == nullptr },
@@ -88,16 +94,12 @@ namespace gui_to_app {
                 std::pair{ "rock_kit_switch", rock_kit_switch == nullptr },
                 std::pair{ "sack_switch", sack_switch == nullptr },
             };
-            std::vector<const char *> local_test_result;
+
-            local_test_result.reserve(test_ptrs.size());
+            return ranges::to<std::vector<const char *> >(
-            std::for_each(test_ptrs.cbegin(),
+                test_ptrs
-                test_ptrs.cend(),
+                | views::filter([](const auto &a) { return a.second; })
-                [&local_test_result](const auto &a) {
+                | views::keys
-                    if (a.second) {
+            );
-                        local_test_result.emplace_back(a.first);
-                    }
-                });
-            return local_test_result;
         }();
         if (!test_result.empty()) {
             spdlog::critical("Error occurred, at least one switch is not available. See logs below");
@@ -107,16 +109,15 @@ namespace gui_to_app {
             on_quit();
             return;
         }
+        // TODO: interaction avec la CharacterSheet
     }
 
     void AppWin2Back::on_quit() noexcept {
-        auto windows = get_windows();
+        ranges::for_each(get_windows() | views::filter([](const auto windows) { return windows != nullptr; }),
-        for (auto *window: windows) {
+                         [](auto *window) {
-            if (window != nullptr) {
                              window->set_visible(false);
                              delete window;
-            }
+                         });
-        }
         quit();
     }
 } // gui_to_app

main.cpp

@@ -1,6 +1,6 @@
 #include "app_win_2_back.hpp"
 
-int main(int argc, char *argv[]) {
+int main(const int argc, char *argv[]) {
-    auto app = gui_to_app::AppWin2Back::create();
+    const auto app = gui_to_app::AppWin2Back::create();
     return app->run(argc, argv);
 }