App.h

#pragma once
 
#include "Delegate.h"
#include "Property.h"
#include <Windows.h>
#include <memory>
#include <string>
 
namespace sw
{
    enum class AppQuitMode {
        Auto,   // 线程中所有窗口都销毁时自动退出消息循环
        Manual, // 需手动调用QuitMsgLoop以退出消息循环
    };
 
    class App
    {
    private:
        App() = delete;
 
    public:
        static const ReadOnlyProperty<HINSTANCE> Instance;
 
        static const ReadOnlyProperty<std::wstring> ExePath;
 
        static const ReadOnlyProperty<std::wstring> ExeDirectory;
 
        static const Property<std::wstring> CurrentDirectory;
 
        static const Property<AppQuitMode> QuitMode;
 
        static thread_local Action<MSG &> NullHwndMsgHandler;
 
        static int MsgLoop();
 
        static void QuitMsgLoop(int exitCode = 0);
    };
}