www.pudn.com > message2.rar > message2Dlg.cpp
// message2Dlg.cpp : implementation file
//
#include "stdafx.h"
#include "message2.h"
#include "message2Dlg.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()
/////////////////////////////////////////////////////////////////////////////
// CMessage2Dlg dialog
CMessage2Dlg::CMessage2Dlg(CWnd* pParent /*=NULL*/)
: CDialog(CMessage2Dlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CMessage2Dlg)
// NOTE: the ClassWizard will add member initialization here
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CMessage2Dlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CMessage2Dlg)
// NOTE: the ClassWizard will add DDX and DDV calls here
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CMessage2Dlg, CDialog)
//{{AFX_MSG_MAP(CMessage2Dlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_WM_KEYDOWN()
ON_WM_KEYUP()
ON_WM_LBUTTONDOWN()
ON_WM_LBUTTONUP()
ON_WM_MOUSEMOVE()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CMessage2Dlg message handlers
BOOL CMessage2Dlg::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
shape=CRect(100,100,200,200);
m_chshape = 'r';
brushape.CreateSolidBrush(RGB(0,0,0));
m_bstain = false;
nflag =0;
return TRUE; // return TRUE unless you set the focus to a control
}
void CMessage2Dlg::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 CMessage2Dlg::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 CMessage2Dlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CMessage2Dlg::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
{
// TODO: Add your message handler code here and/or call default
Invalidate();
CDialog::OnKeyDown(nChar, nRepCnt, nFlags);
}
void CMessage2Dlg::OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags)
{
CWindowDC dc(this);
m_bstain=TRUE;
char ischar=char(nChar);
dc.SelectObject(brushape);
switch(ischar)
{
case 'r':
case 'R':
m_chshape='r';
dc.Rectangle(&shape);
break;
case 'e':
case 'E':
m_chshape='e';
dc.Ellipse(&shape);
break;
}
CDialog::OnKeyUp(nChar, nRepCnt, nFlags);
}
void CMessage2Dlg::OnLButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
if (m_bstain)
{
m_nx=point.x-oldpoint.x;
m_ny=point.y-oldpoint.y;
m_bmove=FALSE;
}//以上几句代码暂时注释掉，在后面图形的移动中，要使用它们。
if (Pinside(point))
Invalidate();
CDialog::OnLButtonDown(nFlags, point);
}
void CMessage2Dlg::OnLButtonUp(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
if ( Pinside(point) && m_bstain)
{
switch(nflag)
{
case 0:
brushape.Detach();
brushape.CreateSolidBrush(RGB(0,0,0));
nflag++;
OnKeyUp(m_chshape, 1, 0);
break;
case 1:
brushape.Detach();
brushape.CreateSolidBrush(RGB(255,0,0));
nflag++;
OnKeyUp(m_chshape, 1, 0);
break;
case 2:
brushape.Detach();
brushape.CreateSolidBrush(RGB(0,255,0));
nflag++;
OnKeyUp(m_chshape, 1, 0);
break;
case 3:
brushape.Detach();
brushape.CreateSolidBrush(RGB(0,0,255));
nflag++;
OnKeyUp(m_chshape, 1, 0);
break;
case 4:
brushape.Detach();
brushape.CreateStockObject(NULL_BRUSH);
OnKeyUp(m_chshape, 1, 0);
nflag=0;
break;
}
}
TRACE("\n%d\n",point.x);
TRACE("%d",point.y);
CDialog::OnLButtonUp(nFlags, point);
}
bool CMessage2Dlg::Pinside(CPoint point)
{
CRgn rgn;
if (m_chshape=='e')
rgn.CreateEllipticRgnIndirect(&shape);
else if (m_chshape=='r')
rgn.CreateRectRgnIndirect(&shape);
if (rgn.PtInRegion(point))
return TRUE;
else
return FALSE;
}
RECT CMessage2Dlg::Rfromp(CPoint point)
{
RECT shape;
shape.bottom=point.y+40;
shape.top=point.y-40;
shape.left=point.x-40;
shape.right=point.x+40;
return shape;
}
void CMessage2Dlg::OnMouseMove(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
if ((nFlags & MK_LBUTTON))
{
if (Pinside(point))
{
Invalidate();
m_bmove=TRUE;
CPoint chpoint;
chpoint.x=point.x-m_nx;
chpoint.y=point.y-m_ny;
shape=Rfromp(chpoint);
}
}
CDialog::OnMouseMove(nFlags, point);
}