fdffddlg.cpp

上面有各种滑杆和滚动条

// fdffdDlg.cpp : implementation file
//

#include "stdafx.h"
#include "fdffd.h"
#include "fdffdDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

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

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFdffdDlg dialog

CFdffdDlg::CFdffdDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CFdffdDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CFdffdDlg)
	m_Edit1 = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CFdffdDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CFdffdDlg)
	DDX_Control(pDX, IDC_SCROLLBAR3, m_ScrollBar3);
	DDX_Control(pDX, IDC_SCROLLBAR2, m_ScrollBar2);
	DDX_Control(pDX, IDC_SCROLLBAR1, m_ScrollBar);
	DDX_Control(pDX, IDC_SLIDER1, m_Slider);
	DDX_Control(pDX, IDC_SPIN1, m_Spin1);
	DDX_Text(pDX, IDC_EDIT1, m_Edit1);
	//}}AFX_DATA_MAP



	 m_Spin1.SetPos(m_Edit1);

  /*      // 把一对星号注释对去掉，这些控件东西将会连动
	 int Max,Min;

  //第一滚动条
	 m_ScrollBar.GetScrollRange(&Min,&Max);
	 if(m_Edit1>=Min && m_Edit1<=Max)
		 m_ScrollBar.SetScrollPos(m_Edit1);

	 //第二滚动条
	 m_ScrollBar2.GetScrollRange(&Min,&Max);
	 if(m_Edit1>=Min && m_Edit1<=Max)
		 m_ScrollBar2.SetScrollPos(m_Edit1);

	 //第三滚动条
	 m_ScrollBar3.GetScrollRange(&Min,&Max);
	 if(m_Edit1>=Min && m_Edit1<=Max){
		 for(int i=0;i<4;i++)
			 if(m_Edit1>=a[i] && m_Edit1<=a[i+1]) break;
         if(m_Edit1-a[i]<a[i+1]-m_Edit1)  m_ScrollBar3.SetScrollPos(a[i]);
		 else m_ScrollBar3.SetScrollPos(a[i+1]);
	 }

	 //滑杆
	 m_Slider.GetRange(Min,Max);
	 if(m_Edit1>=Min && m_Edit1<=Max)
		 m_Slider.SetPos(m_Edit1);

*/


}

BEGIN_MESSAGE_MAP(CFdffdDlg, CDialog)
	//{{AFX_MSG_MAP(CFdffdDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_VSCROLL()
	ON_WM_HSCROLL()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFdffdDlg message handlers

BOOL CFdffdDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 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
	
	// TODO: Add extra initialization here
//	m_Edit1=10;
//	CSpinButtonCtrl *pSpin=
	//	(CSpinButtonCtrl *)GetDlgItem(IDC_SPIN1);
	//pSpin->SetRange(0,100);
//	pSpin->SetPos(m_Edit1*10);
	m_Spin1.SetRange(0,300);
	m_Spin1.SetPos(0);
	m_Slider.SetRange(0,300);
	m_ScrollBar.SetScrollRange(0,100);
	m_ScrollBar2.SetScrollRange(0,100);
    m_ScrollBar3.SetScrollRange(0,300);
	
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CFdffdDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CFdffdDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CFdffdDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CFdffdDlg::OnOK() 
{
	// TODO: Add extra validation here
	
	//CDialog::OnOK();
}

void CFdffdDlg::OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) 
{
	// TODO: Add your message handler code here and/or call default

	if(nSBCode==SB_ENDSCROLL)	return;

	//微调      
	if(pScrollBar->GetDlgCtrlID()==IDC_SPIN1)
	{
		m_Spin1.SetPos(nPos);
		m_Edit1=nPos;           //这里却不能用m_Spin1.GetPos();
		UpdateData(FALSE);
	}

	//竖直的滚动条
	if(pScrollBar->GetDlgCtrlID()==IDC_SCROLLBAR1)
	{
		if(nSBCode==SB_LINELEFT) 
		{
		}//里面内容自己完成，参看OnHScroll的内容
		else if(nSBCode==SB_LINERIGHT)
		{
		} //里面的内容自己完成
		else if(nSBCode==SB_LINELEFT)
		{
		}  //里面的内容自己完成
		else if(nSBCode==SB_PAGEUP)
		{
		}  //里面的内容自己完成
		else if(nSBCode==SB_PAGEDOWN)
		{
		}//里面的内容自己完成
		else{     //拖动滚动条
		m_ScrollBar.SetScrollPos(nPos);
		m_Edit1=m_ScrollBar.GetScrollPos();
		UpdateData(FALSE);
		}
		
		
	}

	CDialog::OnVScroll(nSBCode, nPos, pScrollBar);
}

void CFdffdDlg::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) 
{
	// TODO: Add your message handler code here and/or call default
	int i,n;
	if(nSBCode==SB_ENDSCROLL)	return;
	
   switch(pScrollBar->GetDlgCtrlID())
   {
	   
   case IDC_SLIDER1:
	 m_Edit1=m_Slider.GetPos();   //滑杆会自动
	 UpdateData(FALSE);
	    break;
   case IDC_SCROLLBAR2:

	   if(nSBCode==SB_LINERIGHT){    //滚动条右键被点击
		    n=m_ScrollBar2.GetScrollPos(); //得到原位置
		   m_ScrollBar2.SetScrollPos(n+1);   //新位置，出界后自动为最大值，因刻度为1，所以加1
		    m_Edit1=m_ScrollBar2.GetScrollPos();// 不能写 n+1,因n+1可能出界
			UpdateData(FALSE);
            
	   }
	   else if(nSBCode==SB_LINELEFT){   //滚动条左键被点击
		    n=m_ScrollBar2.GetScrollPos(); 
		    m_ScrollBar2.SetScrollPos(n-1);
			m_Edit1=m_ScrollBar2.GetScrollPos(); 
			UpdateData(FALSE);           
	   }
	   else if(nSBCode==SB_PAGELEFT)  // 左边空白处被点击
	   {
		   n=m_ScrollBar2.GetScrollPos(); 
           m_ScrollBar2.SetScrollPos(n-20); //此处设Page为20
		   m_Edit1=m_ScrollBar2.GetScrollPos(); 
		   UpdateData(FALSE);
	   }
	   else if(nSBCode==SB_PAGERIGHT)  // 右边空白处被点击
	   {
		   n=m_ScrollBar2.GetScrollPos(); 
           m_ScrollBar2.SetScrollPos(n+20); //此处设Page为20
		   m_Edit1=m_ScrollBar2.GetScrollPos(); 
		   UpdateData(FALSE);
	   }
	   else {                    //拖动滚动条时
	           
		   m_ScrollBar2.SetScrollPos(nPos);
		   m_Edit1=m_ScrollBar2.GetScrollPos();
		   UpdateData(FALSE);

		   }
		break;
		case IDC_SCROLLBAR3:   //2000
		//有刻度的滚动条 	
			switch(nSBCode){
			case SB_LINERIGHT:     //当点右键
				n=m_ScrollBar3.GetScrollPos();
			 for( i=4;i>0;i--)
					if(n>=a[i-1] && n<=a[i])
					{
						n=a[i];
						break;
					}                    //找到应该停的地方停下来
                     
				m_ScrollBar3.SetScrollPos(n);
				m_Edit1=m_ScrollBar3.GetScrollPos();
				UpdateData(FALSE);
				break;
			case SB_LINELEFT:   //当点左键
				n=m_ScrollBar3.GetScrollPos();
			for(i=0;i<4;i++)
					if(n>=a[i] && n<=a[i+1])
					{
						n=a[i];
						break;
					}                    //找到应该停的地方停下来
                m_ScrollBar3.SetScrollPos(n);
				     m_Edit1=m_ScrollBar3.GetScrollPos();
					 UpdateData(FALSE);
				break;
			case SB_PAGELEFT:  //左边空白处点击时
				n=m_ScrollBar3.GetScrollPos();
				for(i=0;i<4;i++)
					if(n==a[i])break;       
					if(i-1>=0) {
						m_ScrollBar3.SetScrollPos(a[i-1]);
						m_Edit1=m_ScrollBar3.GetScrollPos();
						UpdateData(FALSE);
					}
					break;
			case SB_PAGERIGHT:
				n=m_ScrollBar3.GetScrollPos();
				for(i=0;i<4;i++)
					if(n==a[i])break;       
					if(i+1<=4) {
						m_ScrollBar3.SetScrollPos(a[i+1]);
						m_Edit1=m_ScrollBar3.GetScrollPos();
						UpdateData(FALSE);
					}
					break;
			default:        //拖动时
				n=nPos;
				for(i=0;i<4;i++)
					if(n>=a[i] && n<=a[i+1])
					{
						if(n-a[i]<a[i+1]-n)
							n=a[i];
						 else n=a[i+1];
						break;
					}
					m_ScrollBar3.SetScrollPos(n);
                     m_Edit1=m_ScrollBar3.GetScrollPos();
					 UpdateData(FALSE);
			}



	}
     UpdateData(TRUE);

	CDialog::OnHScroll(nSBCode, nPos, pScrollBar);
}

//初始化静态数组
int CFdffdDlg::a[5]={0,50,60,100,300};