www.gusucode.com > VC++ 用按钮推拉展开工作区的大小源码程序 > VC++ 用按钮推拉展开工作区的大小源码程序\code\PluckBoxDlg.cpp

    // PluckBoxDlg.cpp : implementation file
// Download by http://www.NewXing.com

#include "stdafx.h"
#include "PluckBox.h"
#include "PluckBoxDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CPluckBoxDlg dialog

CPluckBoxDlg::CPluckBoxDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CPluckBoxDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CPluckBoxDlg)
	m_Edit = _T("单击边框上的按钮调整文本框大小\r\n\r\n    作者：风林");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CPluckBoxDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPluckBoxDlg)
	DDX_Control(pDX, IDC_BUTTONUP, m_ButtonUp);
	DDX_Control(pDX, IDC_BUTTONRIGHT, m_ButtonRight);
	DDX_Control(pDX, IDC_BUTTONLEFT, m_ButtonLeft);
	DDX_Control(pDX, IDC_BUTTONDOWN, m_ButtonDown);
	DDX_Text(pDX, IDC_EDIT1, m_Edit);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CPluckBoxDlg, CDialog)
	//{{AFX_MSG_MAP(CPluckBoxDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTONDOWN, OnButtondown)
	ON_BN_CLICKED(IDC_BUTTONLEFT, OnButtonleft)
	ON_BN_CLICKED(IDC_BUTTONRIGHT, OnButtonright)
	ON_BN_CLICKED(IDC_BUTTONUP, OnButtonup)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPluckBoxDlg message handlers

BOOL CPluckBoxDlg::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
	
	// TODO: Add extra initialization here

	//设置推拉窗口按钮初始状态
	m_ButtonLeft.SetPluckButStyle( KEY_STYLE_LEFT );
	m_ButtonUp.SetPluckButStyle( KEY_STYLE_UP );
	m_ButtonRight.SetPluckButStyle( KEY_STYLE_RIGHT );
	m_ButtonDown.SetPluckButStyle( KEY_STYLE_DOWN );

	m_start = WS_NORMAL;		//初始状态

	CWnd *pWnd = GetDlgItem( IDC_EDIT1 );		//求编辑框尺寸
	pWnd->GetWindowRect( &m_Rect[WS_NORMAL] );
	ScreenToClient( &m_Rect[WS_NORMAL] );

	CRect m_ClientRect;
	this->GetClientRect( &m_ClientRect );		//获取客户区尺寸

	//求各状态下工作区坐标
	m_Rect[WS_LEFT].SetRect( 8, m_Rect[WS_NORMAL].top, m_Rect[WS_NORMAL].right, m_Rect[WS_NORMAL].bottom );
	m_Rect[WS_LEFT_UP].SetRect( 8, 8, m_Rect[WS_NORMAL].right, m_Rect[WS_NORMAL].bottom );
	m_Rect[WS_LEFT_UP_RIGHT].SetRect( 8, 8, m_ClientRect.right-8, m_Rect[WS_NORMAL].bottom );
	m_Rect[WS_LEFT_UP_RIGHT_DOWN].SetRect( 8, 8, m_ClientRect.right-8, m_ClientRect.bottom-8 );
	m_Rect[WS_LEFT_DOWN].SetRect( 8, m_Rect[WS_NORMAL].top, m_Rect[WS_NORMAL].right, m_ClientRect.bottom-8 );
	m_Rect[WS_LEFT_RIGHT_DOWN].SetRect( 8, m_Rect[WS_NORMAL].top, m_ClientRect.right-8, m_ClientRect.bottom-8 );
	m_Rect[WS_LEFT_UP_DOWN].SetRect( 8, 8, m_Rect[WS_NORMAL].right, m_ClientRect.bottom-8 );
	m_Rect[WS_LEFT_RIGHT].SetRect( 8, m_Rect[WS_NORMAL].top, m_ClientRect.right-8, m_Rect[WS_NORMAL].bottom );
	m_Rect[WS_UP].SetRect( m_Rect[WS_NORMAL].left, 8, m_Rect[WS_NORMAL].right, m_Rect[WS_NORMAL].bottom );
	m_Rect[WS_UP_RIGHT].SetRect( m_Rect[WS_NORMAL].left, 8, m_ClientRect.right-8, m_Rect[WS_NORMAL].bottom );
	m_Rect[WS_UP_RIGHT_DOWN].SetRect( m_Rect[WS_NORMAL].left, 8, m_ClientRect.right-8, m_ClientRect.bottom-8 );
	m_Rect[WS_UP_DOWN].SetRect( m_Rect[WS_NORMAL].left, 8, m_Rect[WS_NORMAL].right, m_ClientRect.bottom-8 );
	m_Rect[WS_RIGHT].SetRect( m_Rect[WS_NORMAL].left, m_Rect[WS_NORMAL].top, m_ClientRect.right-8, m_Rect[WS_NORMAL].bottom );
	m_Rect[WS_RIGHT_DOWN].SetRect( m_Rect[WS_NORMAL].left, m_Rect[WS_NORMAL].top, m_ClientRect.right-8, m_ClientRect.bottom-8 );
	m_Rect[WS_DOWN].SetRect( m_Rect[WS_NORMAL].left, m_Rect[WS_NORMAL].top, m_Rect[WS_NORMAL].right, m_ClientRect.bottom-8 );

	return TRUE;  // return TRUE  unless you set the focus to a control
}

// 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 CPluckBoxDlg::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	if (IsIconic())
	{
		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();
	}
	DrawWorkings(&dc);	//绘制工作区
}

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

//绘制工作区，位置取决于m_Rect[m_start]
void CPluckBoxDlg::DrawWorkings(CPaintDC *pdc)
{
	CWnd *pWnd = GetDlgItem( IDC_EDIT1 );		//调整编辑框位置
	pWnd->SetWindowPos( NULL, m_Rect[m_start].left, m_Rect[m_start].top,
						m_Rect[m_start].Width(), m_Rect[m_start].Height(), SWP_NOZORDER );

	CBrush Brush;								//画边框
	Brush.CreateSolidBrush( RGB(97,120,140) );
	pdc->SelectObject( &Brush );
	pdc->RoundRect(m_Rect[m_start].left-9, m_Rect[m_start].top-9,
		m_Rect[m_start].right+9, m_Rect[m_start].bottom+9, 10, 10 );

	pWnd = GetDlgItem( IDC_BUTTONLEFT );		//调整左边按钮位置
	pWnd->SetWindowPos( NULL, m_Rect[m_start].left-9, m_Rect[m_start].CenterPoint().y-30,
						0, 0, SWP_NOSIZE | SWP_NOZORDER );
	pWnd = GetDlgItem( IDC_BUTTONUP );			//调整上边按钮位置
	pWnd->SetWindowPos( NULL, m_Rect[m_start].CenterPoint().x-30, m_Rect[m_start].top-9,
						0, 0, SWP_NOSIZE | SWP_NOZORDER );
	pWnd = GetDlgItem( IDC_BUTTONRIGHT );		//调整右边按钮位置
	pWnd->SetWindowPos( NULL, m_Rect[m_start].right, m_Rect[m_start].CenterPoint().y-30,
						0, 0, SWP_NOSIZE | SWP_NOZORDER );
	pWnd = GetDlgItem( IDC_BUTTONDOWN );		//调整下边按钮位置
	pWnd->SetWindowPos( NULL, m_Rect[m_start].CenterPoint().x-30, m_Rect[m_start].bottom,
						0, 0, SWP_NOSIZE | SWP_NOZORDER );
}

//单击下边按钮
void CPluckBoxDlg::OnButtondown() 
{
	switch(m_start)		//更改位置
	{
	case WS_NORMAL:				m_start = WS_DOWN; break;
	case WS_LEFT:				m_start = WS_LEFT_DOWN; break;
	case WS_LEFT_UP:			m_start = WS_LEFT_UP_DOWN; break;
	case WS_LEFT_UP_RIGHT:		m_start = WS_LEFT_UP_RIGHT_DOWN; break;
	case WS_LEFT_UP_RIGHT_DOWN:	m_start = WS_LEFT_UP_RIGHT; break;
	case WS_LEFT_DOWN:			m_start = WS_LEFT; break;
	case WS_LEFT_RIGHT_DOWN:	m_start = WS_LEFT_RIGHT; break;
	case WS_LEFT_UP_DOWN:		m_start = WS_LEFT_UP; break;
	case WS_LEFT_RIGHT:			m_start = WS_LEFT_RIGHT_DOWN; break;
	case WS_UP:					m_start = WS_UP_DOWN; break;
	case WS_UP_RIGHT:			m_start = WS_UP_RIGHT_DOWN; break;
	case WS_UP_RIGHT_DOWN:		m_start = WS_UP_RIGHT; break;
	case WS_UP_DOWN:			m_start = WS_UP; break;
	case WS_RIGHT:				m_start = WS_RIGHT_DOWN; break;
	case WS_RIGHT_DOWN:			m_start = WS_RIGHT; break;
	case WS_DOWN:				m_start = WS_NORMAL; break;
	}
	Invalidate();	//重绘对话框
}

//单击左边按钮
void CPluckBoxDlg::OnButtonleft() 
{
	switch(m_start)
	{
	case WS_NORMAL:				m_start = WS_LEFT; break;
	case WS_LEFT:				m_start = WS_NORMAL; break;
	case WS_LEFT_UP:			m_start = WS_UP; break;
	case WS_LEFT_UP_RIGHT:		m_start = WS_UP_RIGHT; break;
	case WS_LEFT_UP_RIGHT_DOWN:	m_start = WS_UP_RIGHT_DOWN; break;
	case WS_LEFT_DOWN:			m_start = WS_DOWN; break;
	case WS_LEFT_RIGHT_DOWN:	m_start = WS_RIGHT_DOWN; break;
	case WS_LEFT_UP_DOWN:		m_start = WS_UP_DOWN; break;
	case WS_LEFT_RIGHT:			m_start = WS_RIGHT; break;
	case WS_UP:					m_start = WS_LEFT_UP; break;
	case WS_UP_RIGHT:			m_start = WS_LEFT_UP_RIGHT; break;
	case WS_UP_RIGHT_DOWN:		m_start = WS_LEFT_UP_RIGHT_DOWN; break;
	case WS_UP_DOWN:			m_start = WS_LEFT_UP_DOWN; break;
	case WS_RIGHT:				m_start = WS_LEFT_RIGHT; break;
	case WS_RIGHT_DOWN:			m_start = WS_LEFT_RIGHT_DOWN; break;
	case WS_DOWN:				m_start = WS_LEFT_DOWN; break;
	}
	Invalidate();
}

//单击右边按钮
void CPluckBoxDlg::OnButtonright() 
{
	switch(m_start)
	{
	case WS_NORMAL:				m_start = WS_RIGHT; break;
	case WS_LEFT:				m_start = WS_LEFT_RIGHT; break;
	case WS_LEFT_UP:			m_start = WS_LEFT_UP_RIGHT; break;
	case WS_LEFT_UP_RIGHT:		m_start = WS_LEFT_UP; break;
	case WS_LEFT_UP_RIGHT_DOWN:	m_start = WS_LEFT_UP_DOWN; break;
	case WS_LEFT_DOWN:			m_start = WS_LEFT_RIGHT_DOWN; break;
	case WS_LEFT_RIGHT_DOWN:	m_start = WS_LEFT_DOWN; break;
	case WS_LEFT_UP_DOWN:		m_start = WS_LEFT_UP_RIGHT_DOWN; break;
	case WS_LEFT_RIGHT:			m_start = WS_LEFT; break;
	case WS_UP:					m_start = WS_UP_RIGHT; break;
	case WS_UP_RIGHT:			m_start = WS_UP; break;
	case WS_UP_RIGHT_DOWN:		m_start = WS_UP_DOWN; break;
	case WS_UP_DOWN:			m_start = WS_UP_RIGHT_DOWN; break;
	case WS_RIGHT:				m_start = WS_NORMAL; break;
	case WS_RIGHT_DOWN:			m_start = WS_DOWN; break;
	case WS_DOWN:				m_start = WS_RIGHT_DOWN; break;
	}
	Invalidate();
}

//单击上边按钮
void CPluckBoxDlg::OnButtonup() 
{
	switch(m_start)
	{
	case WS_NORMAL:				m_start = WS_UP; break;
	case WS_LEFT:				m_start = WS_LEFT_UP; break;
	case WS_LEFT_UP:			m_start = WS_LEFT; break;
	case WS_LEFT_UP_RIGHT:		m_start = WS_LEFT_RIGHT; break;
	case WS_LEFT_UP_RIGHT_DOWN:	m_start = WS_LEFT_RIGHT_DOWN; break;
	case WS_LEFT_DOWN:			m_start = WS_LEFT_UP_DOWN; break;
	case WS_LEFT_RIGHT_DOWN:	m_start = WS_LEFT_UP_RIGHT_DOWN; break;
	case WS_LEFT_UP_DOWN:		m_start = WS_LEFT_DOWN; break;
	case WS_LEFT_RIGHT:			m_start = WS_LEFT_UP_RIGHT; break;
	case WS_UP:					m_start = WS_NORMAL; break;
	case WS_UP_RIGHT:			m_start = WS_RIGHT; break;
	case WS_UP_RIGHT_DOWN:		m_start = WS_RIGHT_DOWN; break;
	case WS_UP_DOWN:			m_start = WS_DOWN; break;
	case WS_RIGHT:				m_start = WS_UP_RIGHT; break;
	case WS_RIGHT_DOWN:			m_start = WS_UP_RIGHT_DOWN; break;
	case WS_DOWN:				m_start = WS_UP_DOWN; break;
	}
	Invalidate();
}