Set basic CMake project layout

CMakeLists.txt

@@ -0,0 +1,12 @@
+cmake_minimum_required(VERSION 3.27)
+
+project(Ensemble VERSION 0.1 LANGUAGES CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+find_package(Qt6 REQUIRED COMPONENTS Widgets Multimedia)
+
+qt_standard_project_setup()
+
+add_subdirectory(src/app)

src/app/CMakeLists.txt

@@ -0,0 +1,5 @@
+qt_add_executable(ensemble
+    main.cpp
+)
+
+target_link_libraries(ensemble PRIVATE Qt6::Widgets)

src/app/main.cpp

@@ -0,0 +1,15 @@
+#include <QApplication>
+#include <QMainWindow>
+
+int main (int argc, char* argv[])
+{
+    QApplication Ensemble(argc, argv);
+
+    QCoreApplication::setApplicationName("Ensemble");
+    QCoreApplication::setApplicationVersion("0.1");
+
+    QMainWindow main_window {};
+    main_window.show();
+
+    return Ensemble.exec();
+}