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DuiLib通用的窗口类封装

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1. [代码][C/C++/Objective-C]代码     跳至 [1] [全屏预览]

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

	virtual void OnFinalMessage(HWND hWnd);

	virtual void Init();

	virtual CControlUI* CreateControl(LPCTSTR pstrClass, CPaintManagerUI* pManager);

	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);

#if defined(UI_BUILD_FOR_WIN32) && !defined(UI_BUILD_FOR_WINCE)
	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);
#endif

	virtual LRESULT OnSize(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 OnLButtonUp(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);

protected:
	CPaintManagerUI paint_manager_;
};




WindowImplBase::WindowImplBase()
{}

WindowImplBase::~WindowImplBase()
{}

CControlUI* WindowImplBase::CreateControl(LPCTSTR pstrClass, CPaintManagerUI* pManager)
{
	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(UI_BUILD_FOR_WIN32) && !defined(UI_BUILD_FOR_WINCE)
LRESULT WindowImplBase::OnNcActivate(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/)
{
	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 &&
				_tcsicmp(pControl->GetClass(), _T("TextUI")) != 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;
}
#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::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(UI_BUILD_FOR_WIN32) && !defined(UI_BUILD_FOR_WINCE)
	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::OnSysCommand(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
	if (wParam == SC_CLOSE){
		bHandled = TRUE;
		return 0;
	}
#if defined(UI_BUILD_FOR_WIN32) && !defined(UI_BUILD_FOR_WINCE)
	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(UI_BUILD_FOR_WINCE)
	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);

	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(UI_BUILD_FOR_WIN32) && !defined(UI_BUILD_FOR_WINCE)
	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;
#endif
	case WM_SIZE:			lRes = OnSize(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;
	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);
		default:
			break;
		}
	}
	return FALSE;
}

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

	return FALSE;
}


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