DuiLib通用窗口类WindowImplBase封装

class WindowImplBase : public CWindowWnd, public INotifyUI, public IMessageFilterUI, public IDialogBuilderCallback, public SkinChangedReceiver
{
public:
    WindowImplBase();
    virtual ~WindowImplBase();

    virtual void OnFinalMessage(HWND hWnd);

    virtual void Init();

    virtual CControlUI* CreateControl(LPCTSTR pstrClass);

    virtual LRESULT MessageHandler(UINT uMsg, WPARAM wParam, LPARAM lParam, bool& bHandled);

    virtual LRESULT OnClose(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

    virtual LRESULT OnDestroy(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

    virtual LRESULT OnNcActivate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

    virtual LRESULT OnNcCalcSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

    virtual LRESULT OnNcPaint(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

    virtual LRESULT OnNcHitTest(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

    virtual LRESULT OnGetMinMaxInfo(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

    virtual LRESULT OnMouseWheel(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

    virtual LRESULT OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);    

    virtual LRESULT OnMoving(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);    

    virtual LRESULT OnSysCommand(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

    virtual LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

    virtual LRESULT OnKeyDown(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

    virtual LRESULT OnKillFocus(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

    virtual LRESULT OnSetFocus(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

    virtual LRESULT OnLButtonDown(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

    virtual LRESULT OnNCLButtonDown(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

    virtual LRESULT OnLButtonUp(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

    virtual LRESULT OnMouseMove(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

    virtual LRESULT HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam);

    virtual LRESULT HandleCustomMessage(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

protected:
    virtual tString GetSkinFolder();
    virtual tString GetSkinFile() = 0;

    virtual LRESULT ResponseDefaultKeyEvent(WPARAM wParam, bool& bHandled);

protected:
    CPaintManagerUI        paint_manager_;

};

WindowImplBase::WindowImplBase()
{}

WindowImplBase::~WindowImplBase()
{}

CControlUI* WindowImplBase::CreateControl(LPCTSTR pstrClass)
{
    return NULL;
}

void WindowImplBase::OnFinalMessage(HWND /*hWnd*/)
{
    paint_manager_.RemovePreMessageFilter(this);
    paint_manager_.RemoveNotifier(this);
    paint_manager_.ReapObjects(paint_manager_.GetRoot());
}

void WindowImplBase::Init()
{}

LRESULT WindowImplBase::OnClose(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
{
    bHandled = FALSE;
    return 0;
}

LRESULT WindowImplBase::OnDestroy(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
{
    bHandled = FALSE;
    return 0;
}

#if defined(WIN32) && !defined(UNDER_CE)
LRESULT WindowImplBase::OnNcActivate(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
{
    if( ::IsIconic(*this) ) bHandled = FALSE;
    return (wParam == 0) ? TRUE : FALSE;
}

LRESULT WindowImplBase::OnNcCalcSize(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
{
    return 0;
}

LRESULT WindowImplBase::OnNcPaint(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
{
    return 0;
}

LRESULT WindowImplBase::OnNcHitTest(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
    POINT pt; pt.x = GET_X_LPARAM(lParam); pt.y = GET_Y_LPARAM(lParam);
    ::ScreenToClient(*this, &pt);

    RECT rcClient;
    ::GetClientRect(*this, &rcClient);

    //if( !::IsZoomed(*this) ) {
    //    RECT rcSizeBox = paint_manager_.GetSizeBox();
    //    if( pt.y < rcClient.top + rcSizeBox.top ) {
    //        if( pt.x < rcClient.left + rcSizeBox.left ) return HTTOPLEFT;
    //        if( pt.x > rcClient.right - rcSizeBox.right ) return HTTOPRIGHT;
    //        return HTTOP;
    //    }
    //    else if( pt.y > rcClient.bottom - rcSizeBox.bottom ) {
    //        if( pt.x < rcClient.left + rcSizeBox.left ) return HTBOTTOMLEFT;
    //        if( pt.x > rcClient.right - rcSizeBox.right ) return HTBOTTOMRIGHT;
    //        return HTBOTTOM;
    //    }
    //    if( pt.x < rcClient.left + rcSizeBox.left ) return HTLEFT;
    //    if( pt.x > rcClient.right - rcSizeBox.right ) return HTRIGHT;
    //}

    RECT rcCaption = paint_manager_.GetCaptionRect();
    if( pt.x >= rcClient.left + rcCaption.left && pt.x < rcClient.right - rcCaption.right         && pt.y >= rcCaption.top && pt.y < rcCaption.bottom ) {
            CControlUI* pControl = static_cast<CControlUI*>(paint_manager_.FindControl(pt));
            if( pControl && _tcsicmp(pControl->GetClass(), _T("ButtonUI")) != 0 && 
                _tcsicmp(pControl->GetClass(), _T("OptionUI")) != 0 )
                return HTCAPTION;
    }

    return HTCLIENT;
}

LRESULT WindowImplBase::OnGetMinMaxInfo(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
    MONITORINFO oMonitor = {};
    oMonitor.cbSize = sizeof(oMonitor);
    ::GetMonitorInfo(::MonitorFromWindow(*this, MONITOR_DEFAULTTOPRIMARY), &oMonitor);
    CRect rcWork = oMonitor.rcWork;
    rcWork.Offset(-rcWork.left, -rcWork.top);

    LPMINMAXINFO lpMMI = (LPMINMAXINFO) lParam;
    lpMMI->ptMaxPosition.x    = rcWork.left;
    lpMMI->ptMaxPosition.y    = rcWork.top;
    lpMMI->ptMaxSize.x        = rcWork.right;
    lpMMI->ptMaxSize.y        = rcWork.bottom;

    bHandled = FALSE;
    return 0;
}

LRESULT WindowImplBase::OnMouseWheel(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
{
    bHandled = FALSE;
    return 0;
}
#endif

LRESULT WindowImplBase::OnSetFocus(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
{
    bHandled = FALSE;
    return 0;
}

LRESULT WindowImplBase::OnLButtonDown(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
{
    bHandled = FALSE;
    return 0;
}

LRESULT WindowImplBase::OnNCLButtonDown(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
{
    bHandled = FALSE;
    return 0;
}

LRESULT WindowImplBase::OnMouseMove(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
{
    bHandled = FALSE;
    return 0;
}

LRESULT WindowImplBase::OnLButtonUp(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
{
    bHandled = FALSE;
    return 0;
}

LRESULT WindowImplBase::OnKeyDown(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
{
    bHandled = FALSE;
    return 0;
}

LRESULT WindowImplBase::OnKillFocus(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
{
    bHandled = FALSE;
    return 0;
}

LRESULT WindowImplBase::OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
    SIZE szRoundCorner = paint_manager_.GetRoundCorner();
#if defined(WIN32) && !defined(UNDER_CE)
    if( !::IsIconic(*this) && (szRoundCorner.cx != 0 || szRoundCorner.cy != 0) ) {
        CRect rcWnd;
        ::GetWindowRect(*this, &rcWnd);
        rcWnd.Offset(-rcWnd.left, -rcWnd.top);
        rcWnd.right++; rcWnd.bottom++;
        HRGN hRgn = ::CreateRoundRectRgn(rcWnd.left, rcWnd.top, rcWnd.right, rcWnd.bottom, szRoundCorner.cx, szRoundCorner.cy);
        ::SetWindowRgn(*this, hRgn, TRUE);
        ::DeleteObject(hRgn);
    }
#endif
    bHandled = FALSE;
    return 0;
}

LRESULT WindowImplBase::OnMoving(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
    bHandled = FALSE;
    return 0;
}

LRESULT WindowImplBase::OnSysCommand(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
    if (wParam == SC_CLOSE){
        bHandled = TRUE;
        return 0;
    }
#if defined(WIN32) && !defined(UNDER_CE)
    BOOL bZoomed = ::IsZoomed(*this);
    LRESULT lRes = CWindowWnd::HandleMessage(uMsg, wParam, lParam);
    if( ::IsZoomed(*this) != bZoomed ){
    }
#else
    LRESULT lRes = CWindowWnd::HandleMessage(uMsg, wParam, lParam);
#endif
    return lRes;
}

tString WindowImplBase::GetSkinFolder()
{
    return tString(CPaintManagerUI::GetInstancePath()) + _T("Skins\\");
}

LRESULT WindowImplBase::OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
    LONG styleValue = ::GetWindowLong(*this, GWL_STYLE);
    styleValue &= ~WS_CAPTION;
    ::SetWindowLong(*this, GWL_STYLE, styleValue | WS_CLIPSIBLINGS | WS_CLIPCHILDREN);
    RECT rcClient;
    ::GetClientRect(*this, &rcClient);
    ::SetWindowPos(*this, NULL, rcClient.left, rcClient.top, rcClient.right - rcClient.left,         rcClient.bottom - rcClient.top, SWP_FRAMECHANGED);

    paint_manager_.Init(m_hWnd);
    paint_manager_.AddPreMessageFilter(this);

    CDialogBuilder builder;

    paint_manager_.SetResourcePath(GetSkinFolder().c_str());

#if USE(ZIP_SKIN)

#if defined(WIN32) && !defined(UNDER_CE)
    static bool resource_unzipped = false;
    if (!resource_unzipped)
    {
        resource_unzipped = true;
        paint_manager_.SetResourceZip(GlobalVariable::kResourceSkinZipFileName);
        paint_manager_.UnzipResource();
        paint_manager_.SetResourceZip(GlobalVariable::kNullString);
    }
    tString tstrSkin = paint_manager_.GetResourcePath();
    tstrSkin += GetSkinFile();
#else
    paint_manager_.SetResourceZip(GlobalVariable::kResourceSkinZipFileName);
    tString tstrSkin = GetSkinFile();
#endif

#else
    tString tstrSkin = paint_manager_.GetResourcePath();
    tstrSkin += GetSkinFile();
#endif
    CControlUI* pRoot = builder.Create(tstrSkin.c_str(), (UINT)0, this, &paint_manager_);
    paint_manager_.AttachDialog(pRoot);
    paint_manager_.AddNotifier(this);
#endif

    Init();
    return 0;
}

LRESULT WindowImplBase::HandleCustomMessage(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
    bHandled = FALSE;
    return 0;
}

LRESULT WindowImplBase::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    LRESULT lRes = 0;
    BOOL bHandled = TRUE;
    switch (uMsg)
    {
    case WM_CREATE:            lRes = OnCreate(uMsg, wParam, lParam, bHandled); break;
    case WM_CLOSE:            lRes = OnClose(uMsg, wParam, lParam, bHandled); break;
    case WM_DESTROY:        lRes = OnDestroy(uMsg, wParam, lParam, bHandled); break;
#if defined(WIN32) && !defined(UNDER_CE)
    case WM_NCACTIVATE:        lRes = OnNcActivate(uMsg, wParam, lParam, bHandled); break;
    case WM_NCCALCSIZE:        lRes = OnNcCalcSize(uMsg, wParam, lParam, bHandled); break;
    case WM_NCPAINT:        lRes = OnNcPaint(uMsg, wParam, lParam, bHandled); break;
    case WM_NCHITTEST:        lRes = OnNcHitTest(uMsg, wParam, lParam, bHandled); break;
    case WM_GETMINMAXINFO:    lRes = OnGetMinMaxInfo(uMsg, wParam, lParam, bHandled); break;
    case WM_MOUSEWHEEL:        lRes = OnMouseWheel(uMsg, wParam, lParam, bHandled); break;
#endif
    case WM_SIZE:            lRes = OnSize(uMsg, wParam, lParam, bHandled); break;
    case WM_MOVING:            lRes = OnMoving(uMsg, wParam, lParam, bHandled); break;
    case WM_SYSCOMMAND:        lRes = OnSysCommand(uMsg, wParam, lParam, bHandled); break;
    case WM_KEYDOWN:        lRes = OnKeyDown(uMsg, wParam, lParam, bHandled); break;
    case WM_KILLFOCUS:        lRes = OnKillFocus(uMsg, wParam, lParam, bHandled); break;
    case WM_SETFOCUS:        lRes = OnSetFocus(uMsg, wParam, lParam, bHandled); break;
    case WM_LBUTTONUP:        lRes = OnLButtonUp(uMsg, wParam, lParam, bHandled); break;
    case WM_LBUTTONDOWN:    lRes = OnLButtonDown(uMsg, wParam, lParam, bHandled); break;
    case WM_MOUSEMOVE:        lRes = OnMouseMove(uMsg, wParam, lParam, bHandled); break;
    case WM_NCLBUTTONDOWN:    lRes = OnNCLButtonDown(uMsg, wParam, lParam, bHandled); break;
    default:                bHandled = FALSE; break;
    }
    if (bHandled) return lRes;

    lRes = HandleCustomMessage(uMsg, wParam, lParam, bHandled);
    if (bHandled) return lRes;

    if (paint_manager_.MessageHandler(uMsg, wParam, lParam, lRes)) return lRes;
    return CWindowWnd::HandleMessage(uMsg, wParam, lParam);
}

LRESULT WindowImplBase::MessageHandler(UINT uMsg, WPARAM wParam, LPARAM lParam, bool& bHandled)
{
    if (uMsg == WM_KEYDOWN)
    {
        switch (wParam)
        {
        case VK_RETURN:
        case VK_ESCAPE:
            return ResponseDefaultKeyEvent(wParam, bHandled);
        default:
            break;
        }
    }
    return FALSE;
}

LRESULT WindowImplBase::ResponseDefaultKeyEvent(WPARAM wParam, bool& bHandled)
{
    if (wParam == VK_RETURN)
    {
        return FALSE;
    }
    else if (wParam == VK_ESCAPE)
    {
        Close();
        return TRUE;
    }

    return FALSE;
}