用按钮调整工作区大小

// PluckBoxDlg.cpp : implementation file // #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 ); //左边按钮 m_ButtonUp.SetPluckButStyle( KEY_STYLE_UP ); //上边按钮 m_ButtonRight.SetPluckButStyle( KEY_STYLE_RIGHT ); //右边按钮 m_ButtonDown.SetPluckButStyle( KEY_STYLE_DOWN ); //下边按钮 m_start = WS_NORMAL; //窗口初始状态（正常） CWnd *pWnd = GetDlgItem( IDC_EDIT1 ); //求编辑框尺寸和正常时的位置 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： //工作区向左伸展 m_Rect[WS_LEFT].SetRect( 8, m_Rect[WS_NORMAL].top, m_Rect[WS_NORMAL].right, m_Rect[WS_NORMAL].bottom ); //工作区向左、向上伸展 m_Rect[WS_LEFT_UP].SetRect( 8, 8, m_Rect[WS_NORMAL].right, m_Rect[WS_NORMAL].bottom ); //工作区向左、向上、向右伸展 m_Rect[WS_LEFT_UP_RIGHT].SetRect( 8, 8, m_ClientRect.right-8, m_Rect[WS_NORMAL].bottom ); //工作区向四周伸展 m_Rect[WS_LEFT_UP_RIGHT_DOWN].SetRect( 8, 8, m_ClientRect.right-8, m_ClientRect.bottom-8 ); //工作区向下伸展 m_Rect[WS_LEFT_DOWN].SetRect( 8, m_Rect[WS_NORMAL].top, m_Rect[WS_NORMAL].right, m_ClientRect.bottom-8 ); //工作区向下、向右伸展 m_Rect[WS_LEFT_RIGHT_DOWN].SetRect( 8, m_Rect[WS_NORMAL].top, m_ClientRect.right-8, m_ClientRect.bottom-8 ); //工作区向下、向左、向右伸展 m_Rect[WS_LEFT_UP_DOWN].SetRect( 8, 8, m_Rect[WS_NORMAL].right, m_ClientRect.bottom-8 ); //工作区向左、向右伸展 m_Rect[WS_LEFT_RIGHT].SetRect( 8, m_Rect[WS_NORMAL].top, m_ClientRect.right-8, m_Rect[WS_NORMAL].bottom ); //工作区向上伸展 m_Rect[WS_UP].SetRect( m_Rect[WS_NORMAL].left, 8, m_Rect[WS_NORMAL].right, m_Rect[WS_NORMAL].bottom ); //工作区向上、向右伸展 m_Rect[WS_UP_RIGHT].SetRect( m_Rect[WS_NORMAL].left, 8, m_ClientRect.right-8, m_Rect[WS_NORMAL].bottom ); //工作区向上、向右、向下伸展 m_Rect[WS_UP_RIGHT_DOWN].SetRect( m_Rect[WS_NORMAL].left, 8, m_ClientRect.right-8, m_ClientRect.bottom-8 ); //工作区向上、向下伸展 m_Rect[WS_UP_DOWN].SetRect( m_Rect[WS_NORMAL].left, 8, m_Rect[WS_NORMAL].right, m_ClientRect.bottom-8 ); //工作区向右伸展 m_Rect[WS_RIGHT].SetRect( m_Rect[WS_NORMAL].left, m_Rect[WS_NORMAL].top, m_ClientRect.right-8, m_Rect[WS_NORMAL].bottom ); //工作区向右、向下伸展 m_Rect[WS_RIGHT_DOWN].SetRect( m_Rect[WS_NORMAL].left, m_Rect[WS_NORMAL].top, m_ClientRect.right-8, m_ClientRect.bottom-8 ); //工作区向下伸展 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. // 重绘窗口函数 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 ); //以下根据编辑框坐标调整各按钮位置 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_LE