不用splitter控件 简单实现对mfc对话框的分割的方法

不用splitter控件  简单实现对mfc对话框的分割的方法

直接贴上源代码主要部分吧

这个是基于对话框的工程 进行对话框的分割实现

只是相应了三个消息函数，看一下就会明白的

我空间资源里边有现成的工程代码可以下载运行

.cpp 文件

// spliteDlg.cpp : implementation file
//

#include "stdafx.h"
#include "splite.h"
#include "spliteDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CSpliteDlg dialog

CSpliteDlg::CSpliteDlg(CWnd* pParent /*=NULL*/)
    : CDialog(CSpliteDlg::IDD, pParent)
{
    //{{AFX_DATA_INIT(CSpliteDlg)
    //}}AFX_DATA_INIT
    // Note that LoadIcon does not require a subsequent DestroyIcon in Win32
    m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

    m_SplitCursor = LoadCursor(AfxGetInstanceHandle(),MAKEINTRESOURCE(IDC_CURSOR_SPLIT));
}

void CSpliteDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
    //{{AFX_DATA_MAP(CSpliteDlg)
    DDX_Control(pDX, IDC_LIST, m_edit);
    DDX_Control(pDX, IDC_TREE, m_tree);
    //}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSpliteDlg, CDialog)
    //{{AFX_MSG_MAP(CSpliteDlg)
    ON_WM_MOUSEMOVE()
    ON_WM_LBUTTONDOWN()
    ON_WM_LBUTTONUP()
    ON_WM_SIZE()
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSpliteDlg message handlers
#define SIZEBAR          2// Space BTW Tree and Edit
BOOL CSpliteDlg::OnInitDialog()
{
    CDialog::OnInitDialog();

    // Set the icon for this dialog.  The framework does this automatically
    //  when the application's main window is not a dialog
    SetIcon(m_hIcon, TRUE);         // Set big icon
    SetIcon(m_hIcon, FALSE);        // Set small icon

    CRect rect ;
    GetClientRect( &rect );
    // TODO: Add extra initialization here
    CRect treepos ;
    m_tree.GetClientRect( treepos );
    m_tree.MoveWindow(0, 0, treepos.Width(), rect.Height() );

    m_edit.MoveWindow(treepos.Width() +SIZEBAR , 0, rect.Width()-(treepos.Width() +SIZEBAR), rect.Height() );
    return TRUE;  // return TRUE  unless you set the focus to a control
}



void CSpliteDlg::OnMouseMove(UINT nFlags, CPoint point)
{
    // TODO: Add your message handler code here and/or call default
    CRect treepos ;
    m_tree.GetWindowRect( &treepos );
    ScreenToClient( &treepos );
    CRect editpos ;
    m_edit.GetWindowRect( &editpos );
    ScreenToClient( &editpos );

    CRect rc;
    rc.left = treepos.right;
    rc.right = editpos.left;
    rc.top = treepos.top;
    rc.bottom = treepos.bottom;

    CRect rect;
    GetClientRect( &rect );

    if ( rect.PtInRect(point) )
    {
        SetCursor(m_SplitCursor);  //设置鼠标光标形状
        if ( nFlags & MK_LBUTTON )
        {
            ResizeWindows(point.x, rect.right-rect.left);
        }
    }
    else
    {
        if(m_bButtonDown)
        {
            m_bButtonDown = FALSE;
            ReleaseCapture();
        }
    }
    CDialog::OnMouseMove(nFlags, point);
}


void CSpliteDlg::ResizeWindows( int CxBarAt, int len )
{
    CRect treepos ;
    m_tree.GetClientRect( &treepos );
    CRect rect ;
    GetClientRect( &rect );
    if(CxBarAt <= 1)
        CxBarAt = 1;
    if(CxBarAt >= len - 1)
        CxBarAt = len - 1;
    // 移动tree窗口
    m_tree.MoveWindow( 0,0, CxBarAt-SIZEBAR, rect.Height() );
    // 移动edit窗口
    m_edit.MoveWindow(CxBarAt, 0, rect.right-CxBarAt, rect.Height());

}

void CSpliteDlg::OnLButtonDown(UINT nFlags, CPoint point)
{
    // TODO: Add your message handler code here and/or call default
    m_bButtonDown = TRUE;
    CRect treepos ;
    m_tree.GetWindowRect( &treepos );
    ScreenToClient( &treepos );
    CRect editpos ;
    m_edit.GetWindowRect( &editpos );
    ScreenToClient( &editpos );

    CRect rect;
    rect.left = treepos.right;
    rect.right = editpos.left;
    rect.top = treepos.top;
    rect.bottom = treepos.bottom;

    //  CRect rect;
    //  GetClientRect( &rect );

    if ( rect.PtInRect(point) )
    {
        SetCursor(m_SplitCursor);
    }

    SetCapture();
    CDialog::OnLButtonDown(nFlags, point);
}

void CSpliteDlg::OnLButtonUp(UINT nFlags, CPoint point)
{
    // TODO: Add your message handler code here and/or call default
    m_bButtonDown=FALSE;
    ReleaseCapture();
    CDialog::OnLButtonUp(nFlags, point);
}

void CSpliteDlg::OnSize(UINT nType, int cx, int cy)
{
    CDialog::OnSize(nType, cx, cy);

    // TODO: Add your message handler code here
    if((IsWindow(m_tree.m_hWnd)) && (IsWindow(m_edit.m_hWnd)))
    {// get sizes; width of tree never changed
        CRect rcTree;
        m_tree.GetClientRect(&rcTree);
        CRect rcEdit;
        m_edit.GetClientRect(&rcEdit);
        // 移动tree控件
        rcTree.bottom=cy;
        m_tree.MoveWindow(&rcTree,TRUE);
        // 移动edit控件
        rcEdit.left=rcTree.right+SIZEBAR;
        rcEdit.right=cx;
        rcEdit.top=0;
        rcEdit.bottom=rcTree.bottom;
        m_edit.MoveWindow(&rcEdit,TRUE);
    }
}

 .h 头文件

// spliteDlg.h : header file
//

#if !defined(AFX_SPLITEDLG_H__5C7DA2C0_E37E_426A_A7D3_E1DC7DFD2766__INCLUDED_)
#define AFX_SPLITEDLG_H__5C7DA2C0_E37E_426A_A7D3_E1DC7DFD2766__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

/////////////////////////////////////////////////////////////////////////////
// CSpliteDlg dialog

class CSpliteDlg : public CDialog
{
// Construction
public:
    CSpliteDlg(CWnd* pParent = NULL);   // standard constructor

// Dialog Data
    //{{AFX_DATA(CSpliteDlg)
    enum { IDD = IDD_SPLITE_DIALOG };
    CListCtrl   m_edit;
    CTreeCtrl   m_tree;
    //}}AFX_DATA

    // ClassWizard generated virtual function overrides
    //{{AFX_VIRTUAL(CSpliteDlg)
    protected:
    virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
    //}}AFX_VIRTUAL

// Implementation
protected:
    HICON m_hIcon;

    // Generated message map functions
    //{{AFX_MSG(CSpliteDlg)
    virtual BOOL OnInitDialog();
    afx_msg void OnMouseMove(UINT nFlags, CPoint point);
    afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
    afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
    afx_msg void OnSize(UINT nType, int cx, int cy);
    //}}AFX_MSG
    DECLARE_MESSAGE_MAP()
private:
    void ResizeWindows(int CxBarAt, int len );
private:
    HCURSOR     m_SplitCursor;
    BOOL        m_bButtonDown;
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_SPLITEDLG_H__5C7DA2C0_E37E_426A_A7D3_E1DC7DFD2766__INCLUDED_)