first commit

modern-qt/widget/main-window.cc

@@ -0,0 +1,12 @@
+#include "main-window.hh"
+
+using namespace creeper::main_window::internal;
+
+struct MainWindow::Impl { };
+
+auto MainWindow::paintEvent(QPaintEvent* e) -> void { QMainWindow::paintEvent(e); }
+
+MainWindow::MainWindow()
+    : pimpl { std::make_unique<Impl>() } { }
+
+MainWindow::~MainWindow() = default;