addressbar.h

一个使用wtl写的完整的多窗口浏览器

		if (strText != strLB) {
			T* pT = static_cast<T*>(this);

			// change icon on edit control
//			COMBOBOXEXITEM item;
//			pT->OnGetItem(strLB, item);
//			item.mask = CBEIF_IMAGE|CBEIF_SELECTEDIMAGE;// only image
//			item.iItem = -1;
//			MTLVERIFY(SetItem(&item));
			pT->OnItemSelected(strLB);
			_MoveToTopAddressBox(strLB);
		}
	}

	LRESULT	OnCbenGetDispInfo(LPNMHDR lpnmhdr)
	{
		PNMCOMBOBOXEX pDispInfo = (PNMCOMBOBOXEX)lpnmhdr;
		T* pT = static_cast<T*>(this);
		pT->OnGetDispInfo(pDispInfo->ceItem);

		return 0;
	}

	LRESULT OnEraseBackground(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
	{
		RECT rect;
		GetClientRect(&rect);
		::FillRect((HDC)wParam, &rect, (HBRUSH)LongToPtr(COLOR_3DFACE + 1));

		return 1;	// don't do the default erase
	}

	LRESULT OnComboEraseBackground(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
	{
		// fill only thumb
//		const int cxyBorder = 2;

//		CRect rc;
//		m_wndCombo.GetClientRect(&rc);
//		rc.left = rc.right - ::GetSystemMetrics(SM_CXHTHUMB) - cxyBorder;
//		rc.top += cxyBorder;
//		rc.bottom -= cxyBorder;

//		::FillRect((HDC)wParam, &rc, (HBRUSH)LongToPtr(COLOR_3DFACE + 1));

		return 1;	// don't do the default erase
	}

	LRESULT OnComboWindowPosChanging(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
	{
		abrTRACE(_T("CAddressBarCtrlImpl::OnComboWindowPosChanging\n"));

		LRESULT lRet = m_wndCombo.DefWindowProc(uMsg, wParam, lParam);
		LPWINDOWPOS lpWP = (LPWINDOWPOS)lParam;
		lpWP->cx = m_cx - _GetGoBtnWidth();

		
//		CRect rc; m_wndCombo.GetClientRect(&rc);
//		rc.right = lpWP->cx - ::GetSystemMetrics(SM_CXHTHUMB) - 2;
//		CEdit edit = GetEditCtrl();
//		m_wndCombo.ClientToScreen(&rc);
//		edit.ScreenToClient(&rc);
//		edit.ValidateRect(&rc);

		return lRet;
	}

	LRESULT OnEditEraseBackground(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
	{
		return 1;	// don't do the default erase
	}

	LRESULT OnEditLButtonDblClk(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
	{// fixed for Win2000 by DOGSTORE
		m_wndEdit.SetSel(0, -1);
		return 0;
	}

	void OnEditKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
	{
		// if not dropped, eat VK_DOWN	
		if (!GetDroppedState() && !_AutoCompleteWindowVisible() && (nChar == VK_DOWN || nChar == VK_UP)) {
			SetMsgHandled(TRUE);
		}
		else if (nChar == VK_RETURN) {
			_OnEnterKeyDown();
			SetMsgHandled(TRUE);
		}
		else {
			SetMsgHandled(FALSE);
		}
	}

	LRESULT OnToolTipText(int idCtrl, LPNMHDR pnmh, BOOL& /*bHandled*/)
	{
		LPNMTTDISPINFO pDispInfo = (LPNMTTDISPINFO)pnmh;
		pDispInfo->szText[0] = 0;

		if((idCtrl != 0) && !(pDispInfo->uFlags & TTF_IDISHWND))
		{
			CString strHeader = _T('\"');
			CString strHelp = _T("\" 傊堏摦");
			TCHAR szBuff[80];
			CString strSrc = MtlGetWindowText(GetEditCtrl());
			if (strSrc.IsEmpty())
				return 0;

			AtlCompactPathFixed(szBuff, strSrc, 80 - strHelp.GetLength() - strHeader.GetLength());
			strHeader += szBuff;
			strHeader += strHelp;
			::lstrcpyn(pDispInfo->szText, strHeader, 80);
		}

		return 0;
	}

// Implementation
	void _GetProfile()
	{
		CIniSection pr;
		CString strSection = _T("AddressBar#");
		strSection.Append(GetDlgCtrlID());

		pr.Open(_szIniFileName, strSection);
		pr.QueryValue(m_dwAddressBarExtendedStyle, _T("ExtendedStyle"));
		pr.Close();
	}

	void _WriteProfile()
	{
		CIniSection pr;
		CString strSection = _T("AddressBar#");
		strSection.Append(GetDlgCtrlID());

		pr.Open(_szIniFileName, strSection);
		pr.SetValue(m_dwAddressBarExtendedStyle, _T("ExtendedStyle"));
		pr.Close();
	}

	void _MoveToTopAddressBox(const CString& strURL)
	{
		T* pT = static_cast<T*>(this);
		COMBOBOXEXITEM item;
		pT->OnGetItem(strURL, item);
		item.iItem = 0;// add to top
		item.pszText = (LPTSTR)(LPCTSTR)strURL;
		
		// search the same string
		int nCount = GetCount();
		for (int n = 0; n < nCount; ++n) {
			CString str;
			MtlGetLBTextFixed(m_hWnd, n, str);
			if (strURL == str) {
				DeleteItem(n);
				InsertItem(&item);
				break;
			}
		}
	}

	void _OnEnterKeyDown()
	{
		CEdit edit = GetEditCtrl();
		CString str = MtlGetWindowText(edit);//some comboboxex control impl often not support GetWindowText
		if (!str.IsEmpty()) {
			if (_AutoCompleteWindowVisible())// I have to clean auto complete window, but escape means undo...
				::SendMessage(GetEditCtrl(), WM_KEYDOWN, (WPARAM)VK_ESCAPE, 0);
			T* pT = static_cast<T*>(this);
			pT->OnItemSelected(str);
			_AddToAddressBoxUnique(str);
		}
	}

	bool _AutoCompleteWindowVisible() const
	{
		CRect rc; m_wndEdit.GetWindowRect(&rc);
		CPoint pt(rc.left + 1, rc.bottom + 5);
		HWND hWndDropDown = ::WindowFromPoint(pt);
		if (MtlIsFamily(m_hWnd, hWndDropDown))
			return false;
		else
			return true;

//		HWND hWnd = ::FindWindow(_T("Auto-Suggest Dropdown"), NULL);
//		return ::IsWindowVisible(hWnd) == TRUE;
	}

	void _AddToAddressBoxUnique(const CString& strURL)
	{
		T* pT = static_cast<T*>(this);
		COMBOBOXEXITEM item;
		pT->OnGetItem(strURL, item);
		item.iItem = 0;// ado to top
		item.pszText = (LPTSTR)(LPCTSTR)strURL;

		// search the same string
		int nCount = GetCount();
		for (int n = 0; n < nCount; ++n) {
			CString str;
			MtlGetLBTextFixed(m_hWnd, n, str);
			if (strURL == str) {
				DeleteItem(n);
				break;
			}
		}

		InsertItem(&item);
	}

	void _ShowGoButton(bool bShow)
	{
		if (bShow)
			m_wndGo.ShowWindow(SW_SHOWNORMAL);
		else
			m_wndGo.ShowWindow(SW_HIDE);

//		SendMessage(WM_SIZE, 0, 0);// update layout of go button

		// generate WM_WINDOWPOSCHANGING, no other way
		CRect rect;
		GetWindowRect(rect);
		CWindow(GetParent()).ScreenToClient(rect);

		SetWindowPos(NULL, rect.left, rect.top,
				rect.right - rect.left - 1, rect.bottom - rect.top,
				SWP_NOZORDER|SWP_NOREDRAW);// | SWP_NOACTIVATE);

		SetWindowPos(NULL, rect.left, rect.top,
				rect.right - rect.left, rect.bottom - rect.top,
				SWP_NOZORDER);// | SWP_NOACTIVATE);
	}

	int _GetGoBtnWidth()
	{
		abrTRACE(_T("CAddressBarCtrlImpl::_GetGoBtnWidth\n"));
//		if (!m_wndGo.m_hWnd || !m_wndGo.IsWindowVisible())
//			return 0;

		if (!m_wndGo.m_hWnd || !_check_flag(m_dwAddressBarExtendedStyle, ABR_EX_GOBTNVISIBLE)) {
			abrTRACE(_T(" return 0\n"));
			return 0;
		}

/*		TBBUTTONINFO bi;
		memset(&bi, 0, sizeof(bi));
		bi.cbSize = sizeof(TBBUTTONINFO);
		bi.dwMask = TBIF_SIZE;
		if (m_wndGo.GetButtonInfo(m_nGoBtnCmdID, &bi) == -1) {
			abrTRACE(_T(" failed\n"));
			return 0;
		}

		abrTRACE(_T(" width(%d)\n"), bi.cx);*/
		return m_cxGoBtn + s_kcxGap;
	}

	// Strangly GetButtonInfo lies...
	int _CalcBtnWidth(int cxIcon, const CString& strText)
	{
		const int cxGap = 3;

		if (strText.IsEmpty())
			return cxGap*2 + cxIcon;

		int nWidth = 0;
		nWidth += cxGap*2;
		nWidth += cxIcon;
		nWidth += cxGap*2 - 1;
		nWidth += MtlComputeWidthOfText(strText, m_wndGo.GetFont());
//		nWidth += cxGap*2;

		return nWidth;
	}

	int _CalcBtnHeight(int cyIcon)
	{
		const int cyGap = 3;

		CLogFont lf; CFontHandle(m_wndGo.GetFont()).GetLogFont(&lf);
		int cy = lf.lfHeight;
		if(cy < 0)
			cy = -cy;

		return MtlMax(cy, cyIcon + cyGap*2);
	}

	bool _LoadTypedURLs()
	{
		CRegKey rk;
		LONG lRet = rk.Open(HKEY_CURRENT_USER,
			_T("Software\\Microsoft\\Internet Explorer\\TypedURLs"));
		if(lRet != ERROR_SUCCESS)
			return false;

		std::list<CString> urls;
		if (!MtlGetProfileString(rk, std::back_inserter(urls), _T("url"), 1, 25))// get only 25 items
			return false;
	
//	std::for_each(urls.begin(), urls.end(), __Mtl_Function_AddToComboBoxEx(hWndComboBoxEx));

		T* pT = static_cast<T*>(this);

		std::list<CString>::iterator it;
		for (it = urls.begin(); it != urls.end(); ++it) {
			CString strUrl = *it;
			COMBOBOXEXITEM item;
			pT->OnGetItem(strUrl, item);
			item.iItem = -1;// add to tail
			item.pszText = (LPTSTR)(LPCTSTR)strUrl;
			InsertItem(&item);
		}

		return true;
	}

	HWND _CreateGoButton(UINT nImageBmpID, UINT nHotImageBmpID,
		int cx, int cy, COLORREF clrMask, UINT nFlags = ILC_COLOR8)
	{
		CImageList imgs;
		MTLVERIFY(imgs.Create(cx, cy, nFlags | ILC_MASK, 1, 1));

		CBitmap bmp;
		MTLVERIFY(bmp.LoadBitmap(nImageBmpID));
		imgs.Add(bmp, clrMask);


		CImageList imgsHot;
		MTLVERIFY(imgsHot.Create(cx, cy, nFlags | ILC_MASK, 1, 1));

		CBitmap bmpHot;
		MTLVERIFY(bmpHot.LoadBitmap(nHotImageBmpID));
		imgsHot.Add(bmpHot, clrMask);

		m_wndGo = ::CreateWindowEx(0, TOOLBARCLASSNAME, NULL,
			ATL_SIMPLE_TOOLBAR_PANE_STYLE | TBSTYLE_LIST | CCS_TOP, 0,0,100,100,
				m_hWnd, (HMENU)12, _Module.GetModuleInstance(), NULL);
		m_wndGo.SetButtonStructSize(sizeof(TBBUTTON));

		// init button size
		m_cxGoBtn = _CalcBtnWidth(cx, _T("堏摦"));
		m_wndGo.SetButtonSize(CSize(m_cxGoBtn, _CalcBtnHeight(cy)));

		m_wndGo.SetImageList(imgs);
		m_wndGo.SetHotImageList(imgsHot);

		// one button
		TBBUTTON btn = { 0, m_nGoBtnCmdID, TBSTATE_ENABLED, TBSTYLE_BUTTON/* | TBSTYLE_AUTOSIZE*/, 0, 0 };
		MTLVERIFY(m_wndGo.InsertButton(-1, &btn));

		TBBUTTONINFO bi;
		memset(&bi, 0, sizeof(bi));
		bi.cbSize = sizeof(TBBUTTONINFO);
		bi.dwMask = TBIF_TEXT;
		bi.pszText = _T("堏摦");
		MTLVERIFY(m_wndGo.SetButtonInfo(m_nGoBtnCmdID, &bi));

		m_wndGo.AddStrings(_T("NS\0"));	// for proper item height

		return m_wndGo.m_hWnd;
	}

// IDropSource
	// Overridables
	HRESULT OnGetAddressBarCtrlDataObject(IDataObject** ppDataObject)
	{
		ATLASSERT(ppDataObject != NULL);
		*ppDataObject = NULL;
		return E_NOTIMPL;
	}

	LRESULT OnLButtonDown(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
	{
		POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
		
		if (wParam & MK_CONTROL) {
			bHandled = FALSE;
			return 0;
		}

		if (_HitTest(pt)) {
			_DoDragDrop(pt, (UINT)wParam, true);
		}
		else
			bHandled = FALSE;

		return 0;
	}

	LRESULT OnRButtonDown(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
	{
		POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };

		if (wParam & MK_CONTROL) {
			bHandled = FALSE;
			return 0;
		}

		if (_HitTest(pt)) {
			_DoDragDrop(pt, (UINT)wParam, true);
		}
		else
			bHandled = FALSE;

		return 0;
	}

	bool _HitTest(CPoint pt)
	{
		CRect rc;
		m_wndCombo.GetClientRect(rc);

		CRect rcEdit;
		m_wndEdit.GetWindowRect(&rcEdit);
		m_wndCombo.ScreenToClient(&rcEdit);

//		CImageList imgs = GetImageList();
//		CSize size(0, 0); imgs.GetIconSize(size);

		rc.right = rcEdit.left;

		if (rc.PtInRect(pt))
			return true;
		else
			return false;
	}

	void _DoDragDrop(CPoint pt, UINT nFlags, bool bLeftButton)
	{
//		CRect rc; GetItemRect(nIndex, rc);
//		ClientToScreen(rc);
		if (PreDoDragDrop(m_hWnd, NULL, false)) {// now dragging
			CComPtr<IDataObject> spDataObject;
			T* pT = static_cast<T*>(this);

			HRESULT hr = pT->OnGetAddressBarCtrlDataObject(&spDataObject);
			if (SUCCEEDED(hr)) {
				m_bDragFromItself = true;
				DROPEFFECT dropEffect = DoDragDrop(spDataObject, DROPEFFECT_MOVE|DROPEFFECT_COPY|DROPEFFECT_LINK);
				m_bDragFromItself = false;
			}
		}
		else {// canceled
			if (bLeftButton) {

			}
			else {
				m_wndGo.SendMessage(WM_RBUTTONUP, (WPARAM)nFlags, MAKELPARAM(pt.x, pt.y));
			}
		}
	}
};

class CAddressBarCtrl : public CAddressBarCtrlImpl<CAddressBarCtrl>
{
public:
	DECLARE_WND_SUPERCLASS(_T("MTL_AddressBar"), GetWndClassName())