www.pudn.com > 完整的FTP客户端ftpwanderersrc.zip > SplitterWndEx.cpp

/****************************************************************/ 
/*																*/ 
/*  SplitterWndEx.cpp											*/ 
/*																*/ 
/*  Implementation of the CSplitterWndEx class.					*/ 
/*																*/ 
/*  Programmed by Oleg Galkin.									*/ 
/*  www.codeguru.com/splitter/show_hide_static_panes.shtml		*/ 
/*																*/ 
/*  Last updated: 15 may 2002									*/ 
/*																*/ 
/****************************************************************/ 
 
#include "stdafx.h" 
#include "SplitterWndEx.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
 
CSplitterWndEx::CSplitterWndEx() 
{ 
	m_nHiddenRow = -1; 
} 
 
CSplitterWndEx::~CSplitterWndEx() 
{ 
} 
 
 
BEGIN_MESSAGE_MAP(CSplitterWndEx, CSplitterWnd) 
	//{{AFX_MSG_MAP(CSplitterWndEx) 
		// NOTE - the ClassWizard will add and remove mapping macros here. 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
 
void CSplitterWndEx::ShowRow() 
{ 
	ASSERT_VALID(this); 
    ASSERT(m_nRows < m_nMaxRows); 
    ASSERT(m_nHiddenRow != -1); 
 
    int nShowRow = m_nHiddenRow; 
    m_nHiddenRow = -1; 
 
    int cyNew = m_pRowInfo[m_nRows].nCurSize; 
    // add a nRow 
	m_nRows++;   
     
    ASSERT(m_nRows == m_nMaxRows); 
     
    int nRow; 
 
    // Show the hidden nRow 
    for(int nCol = 0; nCol < m_nCols; ++nCol) 
    { 
        CWnd* pPaneShow = GetDlgItem(AFX_IDW_PANE_FIRST+nCol * 16+m_nRows); 
        ASSERT(pPaneShow != NULL); 
        pPaneShow->ShowWindow(SW_SHOWNA); 
 
        for(nRow = m_nRows - 2; nRow >= nShowRow; --nRow) 
        { 
            CWnd* pPane = GetPane(nRow, nCol); 
            ASSERT(pPane != NULL); 
            pPane->SetDlgCtrlID(IdFromRowCol(nRow + 1, nCol)); 
        } 
 
        pPaneShow->SetDlgCtrlID(IdFromRowCol(nShowRow, nCol)); 
    } 
 
    // new panes have been created -- recalculate layout 
    for(nRow = nShowRow+1; nRow < m_nRows; nRow++) 
        m_pRowInfo[nRow].nIdealSize = m_pRowInfo[nRow - 1].nCurSize; 
 
    m_pRowInfo[nShowRow].nIdealSize = cyNew; 
    RecalcLayout(); 
} 
 
 
void CSplitterWndEx::HideRow(int nRowHide) 
{ 
	ASSERT_VALID(this); 
    ASSERT(m_nRows > 1); 
    ASSERT(nRowHide < m_nRows); 
    ASSERT(m_nHiddenRow == -1); 
    m_nHiddenRow = nRowHide; 
 
    // if the row has an active window -- change it 
    int nActiveRow, nActiveCol; 
 
    if (GetActivePane(&nActiveRow, &nActiveCol) != NULL) 
	{ 
		if(nActiveRow == m_nHiddenRow) 
        { 
            if( ++nActiveRow >= m_nRows) 
                nActiveRow = 0; 
            SetActivePane(nActiveRow, nActiveCol); 
        } 
	} 
 
	// hide all nRow panes. 
    for(int nCol = 0; nCol < m_nCols; ++nCol) 
    { 
        CWnd* pPaneHide = GetPane(nRowHide, nCol); 
        ASSERT(pPaneHide != NULL); 
 
        pPaneHide->ShowWindow(SW_HIDE); 
        pPaneHide->SetDlgCtrlID(AFX_IDW_PANE_FIRST+nCol * 16+m_nRows); 
         
        for(int nRow = nRowHide+1; nRow < m_nRows; ++nRow) 
        { 
            CWnd* pPane = GetPane(nRow, nCol); 
            ASSERT(pPane != NULL); 
 
            pPane->SetDlgCtrlID( IdFromRowCol(nRow-1, nCol)); 
        } 
    } 
 
    m_nRows--; 
    m_pRowInfo[m_nRows].nCurSize = m_pRowInfo[nRowHide].nCurSize; 
    RecalcLayout(); 
}