root/lang/cplusplus/SleipnirGoogleSuggest/CompletionWindow.h

#pragma once

#include <mol/windows/WindowProcedureRedirector.h>

namespace SleipnirGoogleSuggest {

class CompletionWindow {
    mol::WindowProcedureRedirector<CompletionWindow> windowProcedureRedirector;
    HWND hWnd;
public:
    CompletionWindow() : hWnd(NULL), windowProcedureRedirector(*this) {
        HINSTANCE hInstance = GetModuleHandle(NULL);
        const TCHAR ClassName[] = _T("hogehagehige");
        int nCmdShow = SW_SHOW;

        WNDCLASSEX wc;
        wc.cbSize        = sizeof(WNDCLASSEX);
        wc.style         = CS_HREDRAW | CS_VREDRAW | WS_OVERLAPPED;
        wc.lpfnWndProc   = DefWindowProc;
        wc.cbClsExtra    = 0;
        wc.cbWndExtra    = 0;
        wc.hInstance     = hInstance;
        wc.hIcon         = NULL;//LoadIcon(hCrtInst, MAKEINTRESOURCE(IDI_ICON1));
        wc.hCursor       = LoadCursor(NULL, IDC_ARROW);
        wc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
        wc.lpszMenuName  = NULL;
        wc.lpszClassName = ClassName;
        wc.hIconSm       = NULL;

        assert(RegisterClassEx(&wc));

        hWnd = CreateWindowEx(
            0,                          //
            ClassName,                  //
            _T(""),                     //
            WS_OVERLAPPEDWINDOW,        //
            CW_USEDEFAULT,              //
            CW_USEDEFAULT,              //
            200,                        //
            50,                         //
            NULL,                       //
            NULL,                       //
            hInstance,                  //
            NULL                        //
            );

        assert(IsWindow(hWnd));

        windowProcedureRedirector.set(hWnd);
        ShowWindow(hWnd, nCmdShow);
        UpdateWindow(hWnd);
    }

    LRESULT WindowProcedure(UINT msg, WPARAM wParam, LPARAM lParam) {
        if (msg == WM_DESTROY) {
            PostQuitMessage(0);
        }
        return DefWindowProc(hWnd, msg, wParam, lParam);
    }
};

}