自学教程：C++ vEnableDisableButtons函数代码示例

/*******************************************************************************Function Name    : OnInitDialogInput(s)         :Output           :Functionality    : This function will be called during initialization of dialog                   box. This function will fill respective list controlsMember of        : CSigWatchAddDelDlgFriend of        :  -Author(s)        : Raja NDate Created     : 25.03.2004*******************************************************************************/BOOL CSigWatchAddDelDlg::OnInitDialog(){    // Call parent's init function    CDialog::OnInitDialog();    // Populate the message name combo    // Clear the content if any    m_omCombMessage.ResetContent();    // Create the Image List    m_omImageList.Create(IDR_BMP_MSG_SIG_WATCH,                         16,                         1,                         defCOLOR_WHITE);    if (m_podTempCallerList != NULL)    {        UINT unNoOfMainEntries = (UINT)m_podTempCallerList->GetCount();        if ( unNoOfMainEntries > 0 )        {            // Add every message name into the message list            POSITION pos = m_podTempCallerList->GetHeadPosition();            while (pos != NULL)            {                SMAINENTRY& sMainEntry = m_podTempCallerList->GetNext(pos);                CString omMainEntryName = sMainEntry.m_omMainEntryName;                CString omMainEntryId;                omMainEntryId.Format(defSTR_MSG_ID_IN_HEX,sMainEntry.m_unMainEntryID);                omMainEntryName = omMainEntryId + omMainEntryName;                m_omCombMessage.AddString(omMainEntryName);            }            m_omCombMessage.SetCurSel(0);            m_omListCtrlSignal.SetImageList(&m_omImageList, LVSIL_SMALL);            // Create the first column. But this will not be shown            m_omListCtrlSignal.InsertColumn( 0,                                             STR_EMPTY,                                             LVCFMT_LEFT,                                             0); //Width is zero as this will            //be updated in vUpdateUnSelSubEntryList            // Populate the list with signal names            vPopulateUnSelSubEntryList(unGetSelectedMainEntryID());            m_omCombMessage.SetFocus();        }    }    // Update Signal Watch List    // Set the same image list to this control    m_omListCtrlSignalWatch.SetImageList(&m_omImageList,LVSIL_SMALL);    // Create Column for Signal Watch Lsit    m_omListCtrlSignalWatch.InsertColumn( 0,                                          STR_EMPTY,                                          LVCFMT_LEFT,                                          0);//Width is zero as this will    //be updated in vPopulateSelSubEntryList    vPopulateSelSubEntryList();    vEnableDisableButtons();    return FALSE;  // return TRUE unless you set the focus to a control    // EXCEPTION: OCX Property Pages should return FALSE}

/*******************************************************************************Function Name    : OnBtnAddAllSubEntriesInput(s)         :  -Output           :  -Functionality    : This function will be called by framework when the user                   selects "Add All" button.This will call "vAddSelSubEntries"                   to add all the signalsMember of        : CSigWatchAddDelDlgFriend of        :  -Author(s)        : Raja NDate Created     : 25.03.2004Modification By  : Modification on  : *******************************************************************************/void CSigWatchAddDelDlg::OnBtnAddAllSubEntries() {    // Add only the selected signals    vAddSelSubEntries(TRUE);    // Update button status    vEnableDisableButtons();}

/*******************************************************************************Function Name    : OnBtnAddAllSubEntriesInput(s)         :  -Output           :  -Functionality    : This function will be called by framework when the user                   selects "Add All" button.This will call "vAddSelSubEntries"                   to add all the signalsMember of        : CMainSubListDlgFriend of        :  -Author(s)        : Raja NDate Created     : 25.03.2004Modification By  : Modification on  : *******************************************************************************/void CMainSubListDlg::OnBtnAddAllSubEntries() {    // Add only the selected signals    vAddSelSubEntries(TRUE);    // Update button status    vEnableDisableButtons();}

/*******************************************************************************  Function Name  : OnButtonSelect  Input(s)       : -  Output         : -  Functionality  : This function will add the selected hardware in to the                   selected hardware list.  Member of      : CHardwareListing  Author(s)      : Raja N  Date Created   : 25.2.2005  Modifications  :*******************************************************************************/void CHardwareListing::OnButtonSelect(){    int nSelected = m_nSelectedItem;    // Insert the selected item in to the selected list    int nItem = m_omSelectedHwList.GetItemCount();    CString omStrChannel;//(STR_EMPTY);    CString omStrHardware;    int nArrayIndex = -1;    // Get the data    // Format channel information    omStrChannel.Format( defSTR_CHANNEL_NAME_FORMAT,                         defSTR_CHANNEL_NAME,                         nItem + 1 );    // Get the Hardware name    omStrHardware = m_omHardwareList.GetItemText( nSelected, 0 );    // Get the array index    nArrayIndex = (INT)m_omHardwareList.GetItemData( nSelected );    int nImageIndex = defDISCONNECTED_IMAGE_INDEX;    // Insert the new item in to the selected list    m_omSelectedHwList.InsertItem( nItem, omStrChannel, nImageIndex );    // Set the Hardware Name    m_omSelectedHwList.SetItemText( nItem, 1, omStrHardware );    // Set the array index    m_omSelectedHwList.SetItemData( nItem, nArrayIndex );    // Remove the item from the list    m_omHardwareList.DeleteItem( nSelected );    //Sort Hardware Items    vSortHardwareItems();    // Set the focus to the first item    m_omHardwareList.SetItemState( 0,                                   LVIS_SELECTED | LVIS_FOCUSED,                                   LVIS_SELECTED | LVIS_FOCUSED );    // Update Button Status    vEnableDisableButtons();}

/*******************************************************************************Function Name    : OnSelChangeMessageNameInput(s)         :Output           :Functionality    : This function will be called by framework when the message                   name combo box selection got changed. This will update the                   Signal Names List controlMember of        : CWaveformSelectionDlgFriend of        :  -Author(s)        : Raja NDate Created     : 25.03.2004Modification By  :Modification on  :*******************************************************************************/void CWaveformSelectionDlg::OnSelChangeMessageName(){    UINT nMsgID=unGetSelectedMainEntryID();    m_fDefAmplitude=m_pWaveDataHandler->fGetMsgIDDefaultValue(nMsgID);    vPopulateUnSelSubEntryList(unGetSelectedMainEntryID());    vEnableDisableButtons();    UpdateData(FALSE);}

/*******************************************************************************  Function Name  : OnButtonRemove  Input(s)       : -  Output         : -  Functionality  : This function will remove the selected item from the selected                   hardware list. This will also insert the same in to the                   available list  Member of      : CHardwareListing  Author(s)      : Raja N  Date Created   : 21.2.2005  Modifications  : Raja N on 17.03.2005                   Added code to change channel ID of rest of items when a                   channel is deleted from the selected channel list*******************************************************************************/void CHardwareListing::OnButtonRemove(){    // Get the selected item from the list    POSITION sPos = m_omSelectedHwList.GetFirstSelectedItemPosition();    if( sPos != NULL )    {        int nSelectedItem = m_omSelectedHwList.GetNextSelectedItem(sPos);        int nArrayIndex = (INT)m_omSelectedHwList.GetItemData( nSelectedItem );        int nImageIndex;        nImageIndex = defDISCONNECTED_IMAGE_INDEX;        // Insert this item in to the available list        // Calculate new item index        int nItemCount = m_omHardwareList.GetItemCount();        // Insert the new entry        m_omHardwareList.InsertItem( nItemCount,                                     m_omSelectedHwList.GetItemText( nSelectedItem, 1),                                     nImageIndex );        // Set the hardware list index as item data.        m_omHardwareList.SetItemData( nItemCount, nArrayIndex );        //Sort Hardware Items        vSortHardwareItems();        // Remove the item from the selected list        m_omSelectedHwList.DeleteItem( nSelectedItem );        // Change the channel text approp.        int nItem = m_omSelectedHwList.GetItemCount();        // Check whether update is required or not        if( nSelectedItem < nItem )        {            // Format string            CString omStrChannel;            int nItemsToUpdate = nItem - nSelectedItem;            // Loopt through list of items            for( int nIndex = 0; nIndex < nItemsToUpdate; nIndex++ )            {                // Update format string                omStrChannel.Format( defSTR_CHANNEL_NAME_FORMAT,                                     defSTR_CHANNEL_NAME,                                     nSelectedItem + nIndex + 1 );                // Update Text                m_omSelectedHwList.SetItemText( nSelectedItem + nIndex,                                                0,                                                omStrChannel );            }        }        // Update UI button status        vEnableDisableButtons();    }}

/******************************************************************************  Function Name   : OnItemchangedHWList  Input(s)        : Address of an NM_LISTVIEW structure that identifies                    the item that has changed and specifies its previous                    and new states  Output          : -  Functionality   : This function will be called by the framework when the                    user selects an item from the Hw List. This will update                    selected Hw details  Member of       : CHardwareListing  Author(s)       : Raja N  Date Created    : 08.09.2004  Modifications   : Raja N on 14.03.2005, Modified to get item data for getting                    actual index.******************************************************************************/void CHardwareListing::OnItemchangedHWList(NMHDR* pNMHDR, LRESULT* pResult){	NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;	// If it is a selection change update the hardware details	if(pNMListView->uNewState & LVIS_SELECTED){		// Get the selected Item index		m_nSelectedItem = pNMListView->iItem;		// Update selected Hw details		vUpdateHwDetails( (INT)m_omHardwareList.GetItemData( m_nSelectedItem ) );	}	// Update Button Status	vEnableDisableButtons();	*pResult = 0;}

void CHardwareListing::OnNMClickLstcSelectedHwList(NMHDR* pNMHDR, LRESULT* pResult){	//NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;	// Update UI Buttons	NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;	// If it is a selection change update the hardware details	INT nSelectedItem = pNMListView->iItem;	if(nSelectedItem > -1){		// Update selected Hw details		vUpdateHwDetails( (INT)m_omSelectedHwList.GetItemData( nSelectedItem ) );	}	vEnableDisableButtons();	*pResult = 0;}

/*******************************************************************************  Function Name  : vHandleConnectionStatusChange  Input(s)       : bConnectionStatus - Status of the tool connection. TRUE if                   the tool is going to connected state  Output         : -  Functionality  : This function will handle connect event. This will disable                   not supported UI controls if the tool is going to connected                   state. This will also set the graph to Run mode. The update                   timer will be started during connect state. During disconnect                   this function will bring back the graph control to normal                   mode and will kill the update timer.  Member of      : CGraphBottomView  Author(s)      : Raja N  Date Created   : 10/12/2004  Modifications  : Raja N on 14.12.2004, Implemented review comments*******************************************************************************/void CGraphBottomView::vHandleConnectionStatusChange(BOOL bConnectStatus){    // Tool is going to connect state    vEnableDisableButtons( bConnectStatus );    CGraphChildFrame* pParentWnd = NULL;    pParentWnd = (CGraphChildFrame*)pomGetParentWindow();    //Update Graph right view    CGraphRightView* pRightView = (CGraphRightView*)pParentWnd->pomGetRightTopViewPointer();    pRightView->vHandleConnectionStatusChange(bConnectStatus);    // Create/ Delete Update Timer    if( bConnectStatus == TRUE )    {        // Go To Run Mode        //m_podGraphControl->GoToRunMode();        CGraphList* podList = NULL;        if(pParentWnd != NULL)        {            pParentWnd->m_pomBottomView = this;        }        if(pParentWnd != NULL)        {            podList = pParentWnd->pGetSignalListDetails();        }        else        {            return;        }        //int nTimeDelay = podList->m_odGraphParameters.m_nRefreshRate;        //nTimerID = SetTimer( defUPDATE_TIMER_ID , nTimeDelay, NULL );    }    else    {        // Go To Normal Mode        //m_podGraphControl->GoToNormalMode();        // Check for valid timer handle        if( nTimerID != 0 )        {            // Kill Display Update Timer            KillTimer( nTimerID );        }    }}

/** * /req RS_19_03 It shall be possible to add / remove any log file from the input data source set * * This function will be called when user selects Add button. * This will show file selection dialog to select replay file * and if the selection is valid this will add the selected file * in to the replay file list. */void CReplayFileConfigDlg::OnBtnAddFile(){    // Throw File selection dialog to choose replay log file    DWORD dwFlags =        OFN_HIDEREADONLY | OFN_PATHMUSTEXIST | OFN_EXTENSIONDIFFERENT;    CFileDialog omFileDlg( TRUE,                           defSTR_LOG_FILE_EXTENSION,                           NULL,                           dwFlags,                           defLOG_FILTER,                           NULL );    //Set the caption    omFileDlg.m_ofn.lpstrTitle = _(defSTR_REPLAY_FILE_SELECTION_TITLE);    // Show File open dialog    if( omFileDlg.DoModal() == IDOK )    {        CReplayFile ouNewReplayFile;        // Assign the file name and leave the rest to default        ouNewReplayFile.m_omStrFileName = omFileDlg.GetPathName();        // Add the data in to the replay file data list        m_rouManager.m_omReplayFiles.Add( ouNewReplayFile );        // Insert this new item in to the list        // Avoid UI update        m_bUpdating = TRUE;        // Get the size of the list        int nIndex = m_omLstcReplayFiles.GetItemCount();        // Insert at the end        m_omLstcReplayFiles.InsertItem( nIndex, ouNewReplayFile.m_omStrFileName,                                        defREPLAY_FILE_IMAGE_INDEX );        // Update the checkbox status        m_omLstcReplayFiles.SetCheck( nIndex, ouNewReplayFile.m_bEnabled );        // This is the first item then enable Replay File components        if( nIndex == 0 )        {            vEnableDisableButtons();        }        // Set the selection to this new item        // Enable UI Update        m_bUpdating = FALSE;        m_omLstcReplayFiles.SetItemState( nIndex,                                          LVIS_SELECTED | LVIS_FOCUSED,                                          LVIS_SELECTED | LVIS_FOCUSED );    }}

void CWaveformSelectionDlg::OnNMDblclkLstcSignalWatch(NMHDR* /*pNMHDR*/, LRESULT *pResult){    // Get the selected signal Name    sWaveformInfo objWaveInfo;    CString strSignalName;    UINT nMsgID = (UINT)-1;    vInterPretSignalNameMsgID(m_omListCtrlSignalWatch.GetItemText(                                  m_omListCtrlSignalWatch.GetSelectionMark() , 0), strSignalName, nMsgID);    m_pWaveDataHandler->bGetSignalWavePatternDetails(nMsgID, strSignalName, objWaveInfo);    DefineUpdateWave(&m_omListCtrlSignalWatch, nMsgID, strSignalName, objWaveInfo);    vPopulateUnSelSubEntryList(unGetSelectedMainEntryID());    vPopulateSelSubEntryList();    // Update button status    vEnableDisableButtons();    *pResult = 0;}

/** * /return FALSE - If focus is set to Any UI control explicitly * * Initialises dialog's UI components */BOOL CReplayFileConfigDlg::OnInitDialog(){    CDialog::OnInitDialog();    // Create Image List used in UI List    bCreateImageList();    // Create Replay Files UI List    vCreateReplayFileList();    // To Create Replay Components    vCreateReplayCopms();    // Init Replay Components    vInitReplayCopms();    // Init Replay List    vInitReplayFileList();    // Update Button Status    vEnableDisableButtons();    return TRUE;  // return TRUE unless you set the focus to a control    // EXCEPTION: OCX Property Pages should return FALSE}

/** * /req RS_19_03 It shall be possible to add / remove any log file from the input data source set * * This functuion will handle Delete button event. This will get * delete conformation from the user and will remove the * selected replay file from the list if user conforms. */void CReplayFileConfigDlg::OnBtnDeleteFile(){    if( m_nSelecetedNamedLogIndex != -1 &&            m_nSelecetedNamedLogIndex < m_rouManager.m_omReplayFiles.GetSize() )    {        // Ask user about file delete        int nResult = AfxMessageBox( _(defSTR_DELETE_CONFORMATION),                                     MB_YESNO|MB_ICONQUESTION ) ;        if ( nResult == IDYES )        {            // Avoid UI update            m_bUpdating = TRUE;            // Remove the item from the list            m_omLstcReplayFiles.DeleteItem( m_nSelecetedNamedLogIndex );            // Remove the item from data list            m_rouManager.m_omReplayFiles.RemoveAt( m_nSelecetedNamedLogIndex );            // Set the focus to the next available item            int nSize = m_omLstcReplayFiles.GetItemCount();            if( m_nSelecetedNamedLogIndex > ( nSize - 1 ) )            {                m_nSelecetedNamedLogIndex = nSize - 1;            }            // Enable UI Update            m_bUpdating = TRUE;            if( m_nSelecetedNamedLogIndex != -1 )            {                // Set the selection                m_omLstcReplayFiles.SetItemState( m_nSelecetedNamedLogIndex,                                                  LVIS_SELECTED | LVIS_FOCUSED,                                                  LVIS_SELECTED | LVIS_FOCUSED );            }            else            {                // Update Button Status                vEnableDisableButtons();            }        }    }}