Team Palmtops 7/Palmtops_numero07.iso/WinCE/SDKWindowsCE/HandHeldPCPro30/sdk.exe/Jupiter SDK/data1.cab/MFC_Samples/generic/generic.cpp

C/C++ Source or Header | 1999-02-19 | 4.8 KB | 208 lines

// This is a part of the Microsoft Foundation Classes C++ library.
// Copyright (C) 1999 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Microsoft Foundation Classes Reference and related
// electronic documentation provided with the library.
// See these sources for detailed information regarding the
// Microsoft Foundation Classes product.

#include "stdafx.h"
#include "resource.h"

#define WINDOW_WIDTH 480
#define WINDOW_HEIGHT 214
int ClientWidth;
int ClientHeight;
#define SQUARE_SIZE (WINDOW_WIDTH / 6)
#define LOWER_LEFT 20

// Define a window class derived from CFrameWnd
class CMainWindow : public CFrameWnd
{
private:
    CPoint m_LowerLeft[LOWER_LEFT];
    WORD m_nLowerLefts;
    BOOL m_bMouseDown;
    int m_nCaptionSize;

public:
    CMainWindow();

    //{{AFX_MSG( CMainWindow )
    afx_msg void OnFileExit();
    afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
    afx_msg void OnPaint();
    //}}AFX_MSG

    DECLARE_MESSAGE_MAP()
};

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

// Define an application class derived from CWinApp
class CGenericApp : public CWinApp
{
public:
    virtual BOOL InitInstance();

    DECLARE_MESSAGE_MAP()
};

//////////////////////////////////////////////////////////////////////////
//  Implementation
//////////////////////////////////////////////////////////////////////////

// Create the application's main window and perform initialization chores
BOOL CGenericApp::InitInstance()
{
    m_pMainWnd = new CMainWindow();
    m_pMainWnd->ShowWindow( m_nCmdShow );
    m_pMainWnd->UpdateWindow();

    CRect rect;
    m_pMainWnd->GetClientRect(&rect);
    ClientWidth = rect.right;
    ClientHeight = rect.bottom;
    m_pMainWnd->InvalidateRect(rect);

    return (TRUE);
}

// CEtchaApp's contructor initializes and runs the app
CGenericApp goGenApp;

CMainWindow::CMainWindow()
: m_bMouseDown(FALSE),
m_nLowerLefts(0),
m_nCaptionSize(GetSystemMetrics(SM_CYCAPTION))
{
    LoadFrame(IDR_MAINFRAME);

    // For MFCCE 2.0 and earlier, a command bar was created during
    // the CFrameWnd creation. For MFCCE 2.01 and later, a command bar
    // is automatically created for you during the call to AddAdornments().
    AddAdornments(0);
}

// CMainWindow message map:
BEGIN_MESSAGE_MAP( CMainWindow, CFrameWnd )
    //{{AFX_MSG_MAP( CMainWindow )
    ON_WM_LBUTTONDOWN()
    ON_WM_PAINT()
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()

// CGenericApp message map:
BEGIN_MESSAGE_MAP( CGenericApp, CWinApp )
    //{{AFX_MSG_MAP( CGenericApp)
    //}}AFX_MSG_MAP
    ON_COMMAND(ID_FILE_EXIT, CWinApp::OnAppExit)
END_MESSAGE_MAP()

void CMainWindow::OnLButtonDown(UINT nFlags, CPoint point)
{
    CPoint pos = point;

    if (m_bMouseDown = TRUE)
    {
        m_bMouseDown = FALSE;
        ReleaseCapture();
    }

    // Confirm that pos is not on command bar
    if (pos.y > m_poCommandBar->GetHeight())
    {
        if (pos.x < (ClientWidth / 2))
        {
            if (pos.y < (ClientHeight / 2))
            {
                // Upper left quadrant
                // Exit the application
                SendMessage(WM_CLOSE);
                return;
            }
            else
            {
                // Lower left quadrant
                // Change Z Order of window to 'bottom'
                SetWindowPos(&wndBottom, 0, 0, 0, 0,
                    SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
            }
        }
        else
        {
            if (pos.y < (ClientHeight / 2))
            {
                // Upper right quadrant
                if (!m_bMouseDown)
                {
                    SetCapture();
                    m_bMouseDown = TRUE;
                }
                else
                {
                    m_bMouseDown = FALSE;
                    ReleaseCapture();
                }
                return;
            }
            else
            {
                // Lower right quadrant
                if (m_nLowerLefts < LOWER_LEFT)
                {
                    if (this != GetFocus())
                        SetFocus();

                    m_LowerLeft[m_nLowerLefts].x = pos.x;
                    m_LowerLeft[m_nLowerLefts].y = pos.y;
                    m_nLowerLefts++;
                    // Repaint window
                    CRect rect;
                    GetClientRect(&rect);
                    InvalidateRect(rect);
                }
            }
        }
    }

    CFrameWnd::OnLButtonDown(nFlags, point);
}

void CMainWindow::OnPaint()
{
    CPaintDC dc(this); // device context for painting

    CPoint line[5];

    // Paints a vertical line that bisects the window
    line[0] = CPoint(ClientWidth / 2, 0);
    line[1] = CPoint(ClientWidth / 2, ClientHeight);
    dc.Polyline(line, 2);

    // Paints a horizontal line that bisects the window
    line[0] = CPoint(0, (ClientHeight + m_nCaptionSize) / 2);
    line[1] = CPoint(ClientWidth - 1, (ClientHeight + m_nCaptionSize) / 2);
    dc.Polyline(line, 2);

    // Paint any small squares at the point captured
    // (See OnLButtonDown for lower right quadrant)
    for (WORD i = 0; i < m_nLowerLefts; i++)
    {
        line[3].x = line[4].x = line[0].x = m_LowerLeft[i].x;
        line[1].y = line[4].y = line[0].y = m_LowerLeft[i].y;

        line[2].x = line[1].x = (line[0].x - SQUARE_SIZE);
        line[2].y = line[3].y = (line[0].y - SQUARE_SIZE);

        dc.Polyline(line, 5);
    }
}