MFC_CTab标签页实例源代码.zip_MFC 标签页_MFC标签页_实例_标签页_源代码

// ToolBar1.cpp : implementation file // // This is a part of the Microsoft Foundation Classes C++ library. // Copyright (C) 1992-1998 Microsoft Corporation // All rights reserved. // // This source code is only intended as a supplement to the // Microsoft Foundation Classes Reference and related // electronic documentation provided with the library. // See these sources for detailed information regarding the // Microsoft Foundation Classes product. #include "stdafx.h" #include "afxpriv.h" #include "CmnCtrl1.h" #include "Toolbar1.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CStandardBar CStandardBar::CStandardBar() : m_pTBButtons(NULL) { } CStandardBar::~CStandardBar() { if (m_pTBButtons) delete []m_pTBButtons; } BEGIN_MESSAGE_MAP(CStandardBar, CToolBarCtrl) //{{AFX_MSG_MAP(CStandardBar) ON_NOTIFY_RANGE( TTN_NEEDTEXTA, ID_NEW, ID_CONTEXTHELP, OnNeedTextA) ON_NOTIFY_RANGE( TTN_NEEDTEXTW, ID_NEW, ID_CONTEXTHELP, OnNeedTextW) //}}AFX_MSG_MAP END_MESSAGE_MAP() BOOL CStandardBar::Create(DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID ) { BOOL bRet = CToolBarCtrl::Create(dwStyle, rect, pParentWnd, nID); m_nButtonCount = ID_CONTEXTHELP - ID_NEW + 1; VERIFY(AddBitmap(m_nButtonCount,IDR_STANDARDBAR) != -1); m_pTBButtons = new TBBUTTON[m_nButtonCount]; for (int nIndex = 0; nIndex < m_nButtonCount; nIndex++) { CString string; string.LoadString(nIndex + ID_NEW); // Add second '\0' int nStringLength = string.GetLength() + 1; TCHAR * pString = string.GetBufferSetLength(nStringLength); pString[nStringLength] = 0; VERIFY((m_pTBButtons[nIndex].iString = AddStrings(pString)) != -1); string.ReleaseBuffer(); m_pTBButtons[nIndex].fsState = TBSTATE_ENABLED; m_pTBButtons[nIndex].fsStyle = TBSTYLE_BUTTON; m_pTBButtons[nIndex].dwData = 0; m_pTBButtons[nIndex].iBitmap = nIndex; m_pTBButtons[nIndex].idCommand = nIndex + ID_NEW; } TBBUTTON sepButton; sepButton.idCommand = 0; sepButton.fsStyle = TBSTYLE_SEP; sepButton.fsState = TBSTATE_ENABLED; sepButton.iString = 0; sepButton.iBitmap = 0; sepButton.dwData = 0; for (nIndex = 0; nIndex < m_nButtonCount; nIndex++) { VERIFY(AddButtons(1,&m_pTBButtons[nIndex])); if (!((nIndex +1) % 3)) { VERIFY(AddButtons(1,&sepButton)); } } return bRet; } ///////////////////////////////////////////////////////////////////////////// // CStandardBar message handlers // MFC routes the notifications sent to the parent of the control to // the control before the parent can process the notification. // The control object can handle the notification or ignore it. // If the notification is handled then return TRUE. Otherwise MFC // will route it to the parent of the control. BOOL CStandardBar::OnChildNotify(UINT message, WPARAM wParam, LPARAM lParam, LRESULT* pLResult) { if (message == WM_NOTIFY) { NMHDR *pNMHDR = (NMHDR *) lParam; switch (pNMHDR->code) { case TBN_BEGINADJUST : return BeginAdjust(wParam, lParam, pLResult); case TBN_BEGINDRAG: return BeginDrag(wParam, lParam, pLResult); case TBN_CUSTHELP: return CustomizeHelp(wParam, lParam, pLResult); case TBN_ENDADJUST: return EndAdjust(wParam, lParam, pLResult); case TBN_ENDDRAG: return EndDrag(wParam, lParam, pLResult); case TBN_GETBUTTONINFO: return GetButtonInfo(wParam, lParam, pLResult); case TBN_QUERYDELETE: return QueryDelete(wParam, lParam, pLResult); case TBN_QUERYINSERT: return QueryInsert(wParam, lParam, pLResult); case TBN_RESET: return Reset(wParam, lParam, pLResult); case TBN_TOOLBARCHANGE: return ToolBarChange(wParam, lParam, pLResult); } } return CToolBarCtrl::OnChildNotify(message, wParam, lParam, pLResult); } BOOL CStandardBar::BeginAdjust(WPARAM wParam, LPARAM lParam, LRESULT* pLResult) { TRACE(_T("TBN_BEGINADJUST\n")); // the customize dialog box is about to be displayed // save toolbar state before customization using the dialog // Use this information to restore the state if reset button is pressed SaveState(HKEY_CURRENT_USER,_T("Software\\Microsoft\\VC40\\Samples\\CtrlDemo"),_T("Standard Tool Bar")); return TRUE; } BOOL CStandardBar::BeginDrag(WPARAM wParam, LPARAM lParam, LRESULT* pLResult) { TRACE(_T("TBN_BEGINDRAG\n")); // we are not implementing custon drag and drop * pLResult = FALSE; return FALSE; } BOOL CStandardBar::CustomizeHelp(WPARAM wParam, LPARAM lParam, LRESULT* pLResult) { TRACE(_T("TBN_CUSTHELP\n")); // Sample displays a message box but a valid help topic // can be displayed for the customize dialog for this toolbar AfxMessageBox(_T("Help not implemented!")); return TRUE; } BOOL CStandardBar::EndAdjust(WPARAM wParam, LPARAM lParam, LRESULT* pLResult) { TRACE(_T("TBN_ENDADJUST\n")); // the customize dialog box has been closed return TRUE; } BOOL CStandardBar::EndDrag(WPARAM wParam, LPARAM lParam, LRESULT* pLResult) { TRACE(_T("TBN_ENDDRAG\n")); // Code to handle custom drag and drop. This message indicates that // the item is being dropped * pLResult = FALSE; return TRUE; } BOOL CStandardBar::GetButtonInfo(WPARAM wParam, LPARAM lParam, LRESULT* pLResult) { // This notification message has to be handled correctly if // all operations in the custom dialogbox has to function correctly // We have to supply information for the button specified by pTBN->tbButton // // This notification is sent in the following cases // // After TBN_BEGINADJUST the control sends these notifications until // * pLResult is TRUE. We have to supply valid values when this value is // set to TRUE. Here the control is collecting information for all // the buttons that have to be displayed in the dialog box // // The control sends this notification to get information about // a button if the user is trying to add it to the toolbar or // rearranging the buttons on the toolbar from within the dialog TRACE(_T("TBN_GETBUTTONINFO\n")); TBNOTIFY *pTBN = (TBNOTIFY *) lParam; if (pTBN->iItem >= m_nButtonCount) { * pLResult = FALSE; } else { CString buffer; buffer.LoadString(pTBN->iItem + ID_NEW); // set the string for the button // truncate the string if its length is greater than the buffer // supplied by the toolbar _tcsncpy(pTBN->pszText, buffer, pTBN->cchText - 1); pTBN->pszText[pTBN->cchText - 1] = '\0'; // set the button info pTBN->tbButton = m_pTBButtons[pTBN->iItem]; // valid values are structure *pLResult = TRUE; } return TRUE; } BOOL CStandardBar::QueryDelete(WPARAM wParam, LPARAM lParam, LRESULT* pLResult) { TRACE(_T("TBN_QUERYDELETE\n")); // in this sample any button can be deleted // if a particular button cannot be deleted set *pResult to FALSE for that item *pLResult = TRUE; return TRUE; } BOOL CStandardBar::QueryInsert(WPARAM wParam, LPARAM lParam, LRESULT* pLResult) { TRACE(_T("TBN_QUERYINSERT\n")); // in this sample buttons can be inserted at any location on the // toolbar *pLResult = TRUE; return TRUE; } BOOL CStandardBar::Reset(WPARAM wParam, LPARAM lParam, LRESULT* pLResult) { TRACE(_T("TBN_RESET\n")); // User has pressed the reset button // restore the state of the toolbar to the state it was before customization RestoreState(HKEY_CURRENT_USER,_T("Software\\Microsoft\\VC40\\Samples\\CtrlDemo"),_T("Standard Tool Bar")); *pLResult = TRUE; return TRUE; } BOOL CStandardBar::ToolBarChange(WPARAM wParam, LPARAM lParam,LRESULT* pLResult) { TRACE(_T("TBN_TOOLBARCHANGE\n")); // the toolbar has changed return TRUE; } // Helper function for tooltips CString