电子秤--快捷键版

CommWizardDlg.cpp

// CommWizardDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CommWizard.h"
#include "CommWizardDlg.h"
#include "SettingDlg.h"


#ifdef _DEBUG
#define new DEBUG_NEW

#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

char* getResult(char strlast[]);
long char2long(char strres[]);
char* getWeight(char result[]);
//称重的一些数据
char  res[8],result[30], weight[30]; 
long sum; 


/
// 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()

/
// CCommWizardDlg dialog

CCommWizardDlg::CCommWizardDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCommWizardDlg::IDD, pParent)
{
	bSend = FALSE;
	bReceive = FALSE;

	m_nPort = 1;
	m_strSettings = _T("2400,n,8,1");
	m_strSendString = _T("");
	m_nTime = 1000;

	m_nInputMode = 1;

	//{{AFX_DATA_INIT(CCommWizardDlg)
	m_strReceive = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCommWizardDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCommWizardDlg)
	DDX_Control(pDX, IDC_RECEIVE, m_ctrlReceive);
	DDX_Control(pDX, IDC_SEND, m_ctrlSend);
	DDX_Control(pDX, IDC_TYPE, m_ctrlDataType);
	DDX_Text(pDX, IDC_EDIT_RECEIVE, m_strReceive);
	DDX_Control(pDX, IDC_COMMCTRL, m_Com);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCommWizardDlg, CDialog)
	//{{AFX_MSG_MAP(CCommWizardDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_RECEIVE, OnReceive)
	ON_BN_CLICKED(IDC_SEND, OnSend)
	ON_BN_CLICKED(IDC_SETTINGS, OnSettings)
	ON_CBN_SELCHANGE(IDC_TYPE, OnSelchangeType)
	ON_BN_CLICKED(IDC_CLEAR, OnClear)
	ON_BN_CLICKED(IDC_MANUALSEND, OnManualsend)
	ON_WM_TIMER()
	//手动添加
	ON_MESSAGE(WM_HOTKEY,OnHotKey)
	//}}AFX_MSG_MAP
	ON_EN_CHANGE(IDC_EDIT_RECEIVE, &CCommWizardDlg::OnEnChangeEditReceive)
END_MESSAGE_MAP()

/
// CCommWizardDlg message handlers

BOOL CCommWizardDlg::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
//	UnregisterHotKey(GetSafeHwnd(), m_HotKeyID);
//	AfxMessageBox("取消了快捷键");
//   CDialog::OnCancel();
	m_HotKeyID = 0;
    ::RegisterHotKey(GetSafeHwnd(),m_HotKeyID,MOD_CONTROL,VK_SPACE); //定义ctrl + 空格

	m_ctrlDataType.AddString(_T("按ASCII码"));
	m_ctrlDataType.AddString(_T("按2进制"));
	m_ctrlDataType.AddString(_T("按16进制"));
	m_ctrlDataType.SetCurSel(m_nInputMode);

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

void CCommWizardDlg::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 CCommWizardDlg::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 CCommWizardDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CCommWizardDlg::OnReceive() 
{
	// TODO: Add your control notification handler code here
	m_Com.GetInput();//先预读缓冲区以清除残留数据
	bReceive = !bReceive;
	if(bReceive)
		m_ctrlReceive.SetWindowText(_T("停止接收"));
	else
		m_ctrlReceive.SetWindowText(_T("开始接收"));
}

void CCommWizardDlg::OnSend() 
{
	// TODO: Add your control notification handler code here
	bSend = !bSend;
	if(bSend)
	{
		m_ctrlSend.SetWindowText(_T("停止发送"));
		SetTimer(1,m_nTime,NULL);//时间为1000毫秒
	}
	else
	{
		m_ctrlSend.SetWindowText(_T("自动发送"));
		KillTimer(1);  //取消定时
	}	
}

void CCommWizardDlg::OnSettings() 
{
	// TODO: Add your control notification handler code here
	CSettingDlg setDlg;
	
	setDlg.nPort = m_nPort;
	setDlg.nTime = m_nTime;
	setDlg.strSettings = m_strSettings;
	setDlg.strSendString = m_strSendString;

	if(setDlg.DoModal() == IDOK)
	{
		m_nPort = setDlg.nPort;
		m_nTime = setDlg.nTime;
		m_strSettings = setDlg.strSettings;
		m_strSendString = setDlg.strSendString;
	}
	OpenPort();
}

void CCommWizardDlg::OnSelchangeType() 
{
	// TODO: Add your control notification handler code here
	m_nInputMode = m_ctrlDataType.GetCurSel();
}

void CCommWizardDlg::OnClear() 
{
	// TODO: Add your control notification handler code here
	m_strReceive = _T("");
}

BEGIN_EVENTSINK_MAP(CCommWizardDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CCommWizardDlg)
	ON_EVENT(CCommWizardDlg, IDC_COMMCTRL, 1 /* OnComm */, OnOnCommCommctrl, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CCommWizardDlg::OnOnCommCommctrl() 
{
	// TODO: Add your control notification handler code here
	VARIANT variant_inp;
	COleSafeArray safearray_inp;
	LONG len,k;
	BYTE rxdata[2048]; //设置BYTE数组 An 8-bit integerthat is not signed.
	CString strtemp;
	if(bReceive)
	{
		if(m_Com.GetCommEvent()==2)     //事件值为2表示接收缓冲区内有字符
		{
			m_strReceive = "";  //清空对话框
			variant_inp = m_Com.GetInput();   //读缓冲区
			safearray_inp = variant_inp;           //VARIANT型变量转换为ColeSafeArray型变量
			len=safearray_inp.GetOneDimSize(); //得到有效数据长度
			for(k=0;k 1)
	{
		CByteArray hexdata;
		int len=String2Hex(m_strSendString ,hexdata);
		m_Com.SetOutput(COleVariant(hexdata));
	}
	else
		m_Com.SetOutput(COleVariant(m_strSendString));//发送数据
}

void CCommWizardDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	OnManualsend();
	CDialog::OnTimer(nIDEvent);
}


int CCommWizardDlg::String2Hex(CString str, CByteArray &senddata)
{
	int hexdata,lowhexdata;
	int hexdatalen=0;
	int len=str.GetLength();
	
	senddata.SetSize(len/2);
	
	for(int i=0;i=len)
			break;
		lstr=str[i];
		hexdata=ConvertHexChar(hstr);
		lowhexdata=ConvertHexChar(lstr);
		if((hexdata==16)||(lowhexdata==16))
			break;
		else 
			hexdata=hexdata*16+lowhexdata;
		i++;
		senddata[hexdatalen]=(char)hexdata;
		hexdatalen++;
	}

	senddata.SetSize(hexdatalen);
	return hexdatalen;
}

//这是一个将字符转换为相应的十六进制值的函数
//功能：若是在0-F之间的字符，则转换为相应的十六进制字符，否则返回-1
char CCommWizardDlg::ConvertHexChar(char ch) 
{
	if((ch>='0')&&(ch<='9'))
		return ch-0x30;
	else if((ch>='A')&&(ch<='F'))
		return ch-'A'+10;
	else if((ch>='a')&&(ch<='f'))
		return ch-'a'+10;
	else return (-1);
}


void CCommWizardDlg::OnEnChangeEditReceive()
{
	// TODO:  如果该控件是 RICHEDIT 控件，它将不
	// 发送此通知，除非重写 CDialog::OnInitDialog()
	// 函数并调用 CRichEditCtrl().SetEventMask()，
	// 同时将 ENM_CHANGE 标志“或”运算到掩码中。

	// TODO:  在此添加控件通知处理程序代码
	CEdit   *pBt   =   (CEdit*)GetDlgItem(IDC_EDIT_RECEIVE); 
    int   i   =   pBt-> GetLineCount(); 
    pBt-> LineScroll(i,0); 
}

//在取消按钮的事件函数中加入：
void CCommWizardDlg::OnCancelHotKey()
{
    UnregisterHotKey(GetSafeHwnd(), m_HotKeyID);
	AfxMessageBox("取消了快捷键");
    CDialog::OnCancel();
}

//处理截到的组合键,并处理:
long CCommWizardDlg::OnHotKey(WPARAM wParam,LPARAM lParam) //wParam一般为热键消息的ID
{
//	AfxMessageBox("快捷键截获成功！");
//	Sleep(500);
//    keybd_event(VK_LWIN,0,0,0);
 //   keybd_event(VK_LWIN,0,KEYEVENTF_KEYUP,0);
	
	keybd_event(VK_CONTROL,0,KEYEVENTF_KEYUP,0);
	keybd_event(VK_SPACE,0,KEYEVENTF_KEYUP,0);

   	keybd_event(VK_CONTROL,0,0,0);
    keybd_event('V',0,0,0);
    keybd_event('V',0,KEYEVENTF_KEYUP,0);
	keybd_event(VK_CONTROL,0,KEYEVENTF_KEYUP,0);
	
    return 0;
}

//得到中间的有效字符串
char* getResult(char strlast[])
{
	int len = strlen(strlast);
	int i, j = 0;
	for(i = 0; i < len; i++)
	{
		while(strlast[i] != '+' && strlast[i] != '\0') i++;
		i++;
		while(strlast[i] != '+' && strlast[i] != '\0')
		{
			result[j++] = strlast[i++];
		}
		result[j] = '\0';
		
		break;
	}
	return result;
}

//字符串转long型
long char2long(char* strres)
{
	sum = 0;
	printf("strres = %s\n", strres);
	int len = strlen(strres);
	for(int i = 0; i < len; i++)
	{
		long temp = strres[i] - 48;
		sum = sum * 10 + temp;
	}
	printf("\n");
	return sum;
}

//得到最终重量的字符表达式
char* getWeight(char result[])
{
	int j = 0;
	for(int k=0; k<4; k++)
	{
		if(result[k] == '0') continue; //去掉开头的0
		weight[j++] = result[k];
	}
	if(j == 0) weight[j++] = '0'; //如果前面4位都是0，则自动添加一个0
	weight[j++] = '.';
	weight[j++] = result[4];
	weight[j++] = result[5];
	weight[j] = '\0';

	return weight;
}

CommWizardDlg.h

// CommWizardDlg.h : header file
//
//{{AFX_INCLUDES()
#include "mscomm.h"
//}}AFX_INCLUDES

#if !defined(AFX_COMMWIZARDDLG_H__7AA90EC4_0429_4FD9_8932_F02710DFFDC7__INCLUDED_)
#define AFX_COMMWIZARDDLG_H__7AA90EC4_0429_4FD9_8932_F02710DFFDC7__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#define VK_S 83 //如果自定义快捷键的话，注意ID和编码要对应
/
// CCommWizardDlg dialog

class CCommWizardDlg : public CDialog
{
// Construction
public:
	char CCommWizardDlg::ConvertHexChar(char ch);
	int  String2Hex(CString str, CByteArray &senddata);

	void OpenPort();
	CCommWizardDlg(CWnd* pParent = NULL);	// standard constructor

	int m_HotKeyID; //为你自己定义的一个hot key的ID值,在整个程序唯一
	afx_msg LONG OnHotKey(WPARAM wParam,LPARAM lParam); //定义快捷键捕捉函数

	BOOL bSend;
	BOOL bReceive;

	int m_nInputMode;

	int		m_nPort;
	CString	m_strSettings;
	CString	m_strSendString;
	int		m_nTime;


// Dialog Data
	//{{AFX_DATA(CCommWizardDlg)
	enum { IDD = IDD_COMMWIZARD_DIALOG };
	CButton	m_ctrlReceive;
	CButton	m_ctrlSend;
	CComboBox	m_ctrlDataType;
	CString	m_strReceive;
	CMSComm	m_Com;
	//}}AFX_DATA

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

// Implementation
protected:
	HICON m_hIcon;

	// Generated message map functions
	//{{AFX_MSG(CCommWizardDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnReceive();
	afx_msg void OnSend();
	afx_msg void OnSettings();
	afx_msg void OnSelchangeType();
	afx_msg void OnClear();
	afx_msg void OnOnCommCommctrl();
	afx_msg void OnManualsend();
	afx_msg void OnTimer(UINT nIDEvent);

	afx_msg void OnCancelHotKey();

	DECLARE_EVENTSINK_MAP()
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
public:
	afx_msg void OnEnChangeEditReceive();
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_COMMWIZARDDLG_H__7AA90EC4_0429_4FD9_8932_F02710DFFDC7__INCLUDED_)