📄 calculdlg.cpp
字号:
// calculDlg.cpp : 实现文件
//
#include "stdafx.h"
#include "calcul.h"
#include "calculDlg.h"
#include ".\calculdlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
// 用于应用程序“关于”菜单项的 CAboutDlg 对话框
class CAboutDlg : public CDialog
{
public:
CAboutDlg();
// 对话框数据
enum { IDD = IDD_ABOUTBOX };
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持
// 实现
protected:
DECLARE_MESSAGE_MAP()
public:
afx_msg void OnAboutbox();
};
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
ON_COMMAND(IDD_ABOUTBOX, OnAboutbox)
END_MESSAGE_MAP()
// CcalculDlg 对话框
CcalculDlg::CcalculDlg(CWnd* pParent /*=NULL*/)
: CDialog(CcalculDlg::IDD, pParent)
, m_number(0)
{
m_number2=0;
m_number1=0;
_number=0;
DotState=0;
m1state=0;
m2state=0;
OpState=0;
State=0;
t=0;
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CcalculDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
DDX_Control(pDX, IDC_backspace, backspace);
DDX_Control(pDX, IDC_c, c);
DDX_Control(pDX, IDC_7, btn7);
DDX_Control(pDX, IDC_8, btn8);
DDX_Control(pDX, IDC_9, btn9);
DDX_Control(pDX, IDC_4, btn4);
DDX_Control(pDX, IDC_5, btn5);
DDX_Control(pDX, IDC_6, btn6);
DDX_Control(pDX, IDC_1, btn1);
DDX_Control(pDX, IDC_2, btn2);
DDX_Control(pDX, IDC_3, btn3);
DDX_Control(pDX, IDC_0, btn0);
DDX_Control(pDX, IDC_sign, sign);
DDX_Control(pDX, IDC_point, point);
DDX_Control(pDX, IDC_devide, devid);
DDX_Control(pDX, IDC_sqrt, sqrt);
DDX_Control(pDX, IDC_multi, multi);
DDX_Control(pDX, IDC_percent, percent);
DDX_Control(pDX, IDC_sub, sub);
DDX_Control(pDX, IDC_frac, frac);
DDX_Control(pDX, IDC_add, add);
DDX_Control(pDX, IDC_equal, equal);
DDX_Text(pDX, IDC_EDIT1, m_number);
DDV_MinMaxDouble(pDX, m_number, 0.0000000, 99999999999999);
}
BEGIN_MESSAGE_MAP(CcalculDlg, CDialog)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
//}}AFX_MSG_MAP
ON_BN_CLICKED(IDC_7, OnBnClicked7)
ON_BN_CLICKED(IDC_backspace, OnBnClickedbackspace)
ON_BN_CLICKED(IDC_ce, OnBnClickedce)
ON_BN_CLICKED(IDC_c, OnBnClickedc)
ON_BN_CLICKED(IDC_8, OnBnClicked8)
ON_BN_CLICKED(IDC_9, OnBnClicked9)
ON_BN_CLICKED(IDC_devide, OnBnClickeddevide)
ON_BN_CLICKED(IDC_sqrt, OnBnClickedsqrt)
ON_BN_CLICKED(IDC_4, OnBnClicked4)
ON_BN_CLICKED(IDC_5, OnBnClicked5)
ON_BN_CLICKED(IDC_6, OnBnClicked6)
ON_BN_CLICKED(IDC_multi, OnBnClickedmulti)
ON_BN_CLICKED(IDC_percent, OnBnClickedpercent)
ON_BN_CLICKED(IDC_1, OnBnClicked1)
ON_BN_CLICKED(IDC_2, OnBnClicked2)
ON_BN_CLICKED(IDC_3, OnBnClicked3)
ON_BN_CLICKED(IDC_sub, OnBnClickedsub)
ON_BN_CLICKED(IDC_frac, OnBnClickedfrac)
ON_BN_CLICKED(IDC_0, OnBnClicked0)
ON_BN_CLICKED(IDC_sign, OnBnClickedsign)
ON_BN_CLICKED(IDC_point, OnBnClickedpoint)
ON_BN_CLICKED(IDC_add, OnBnClickedadd)
ON_BN_CLICKED(IDC_equal, OnBnClickedequal)
ON_COMMAND(IDD_ABOUTBOX, OnAboutbox)
END_MESSAGE_MAP()
// CcalculDlg 消息处理程序
BOOL CcalculDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// 将\“关于...\”菜单项添加到系统菜单中。
// IDM_ABOUTBOX 必须在系统命令范围内。
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);
}
}
// 设置此对话框的图标。当应用程序主窗口不是对话框时，框架将自动
// 执行此操作
SetIcon(m_hIcon, TRUE); // 设置大图标
SetIcon(m_hIcon, FALSE); // 设置小图标
// TODO: 在此添加额外的初始化代码
return TRUE; // 除非设置了控件的焦点，否则返回 TRUE
}
void CcalculDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam);
}
}
// 如果向对话框添加最小化按钮，则需要下面的代码
// 来绘制该图标。对于使用文档/视图模型的 MFC 应用程序，
// 这将由框架自动完成。
void CcalculDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // 用于绘制的设备上下文
SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);
// 使图标在工作矩形中居中
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;
// 绘制图标
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}
//当用户拖动最小化窗口时系统调用此函数取得光标显示。
HCURSOR CcalculDlg::OnQueryDragIcon()
{
return static_cast<HCURSOR>(m_hIcon);
}
//用于处理键盘输入数字的函数
////////////////////////////////////////////////////////////////////////////////////
BOOL CcalculDlg::AddNum(int number)
{
if((State==0)||(State==2))
{
if(DotState==1)
{
t=t*10;
_number=_number+number/t;
_temp=number/t;
}
else
{
_number=_number*10+number;
}
}
m_number=_number;
UpdateData(FALSE);
_DotState=DotState;
return true;
}
void CcalculDlg::Statedecide()
{
if((m1state==0)&&(m2state==0)&&(OpState==0))
State=0;
if((m1state==1)&&(m2state==0)&&(OpState==0))
State=1;
if((m1state==1)&&(m2state==0)&&(OpState==1))
State=2;
if((m1state==1)&&(m2state==1)&&(OpState==1))
State=3;
}
//////////////////////////////////////////////////////////////////////////
void CcalculDlg::OperationDecide(int nID)
{
if((State==0)||(State==2))
{
if(State==0)
{
m_number1=m_number;
m1state=1;
m2state=0;
OpState=0;
}
//将状态转变为状态1，等待输入数字串
else
{
m_number2=m_number;
m1state=1;
m2state=1;
OpState=1;
}
//将状态转变为状态3,等待输入OPERATION
_number=0.0;
t=1;
DotState=0;
UpdateData(FALSE);
}
//用来终止NUMBER的输入状态
Statedecide(); //设置相应的状态
if((State==1)||(State==3))
{
if(State==1) //进入状态1，转变为状态2
{
switch(nID)
{
case IDC_add:
m1state=1;
m2state=0;
OpState=1;
break;
case IDC_backspace:
m1state=1;
m2state=0;
OpState=0;
if(_DotState==1)
m_number1=m_number1-_temp;
else m_number1=float(int (m_number1/10));
m_number=m_number1;
break;
case IDC_devide:
m1state=1;
m2state=0;
OpState=1;
break;
case IDC_sub:
m1state=1;
m2state=0;
OpState=1;
break;
case IDC_multi:
m1state=1;
m2state=0;
OpState=1;
break;
case IDC_c:
m1state=1;
m2state=0;
OpState=0;
calculate(IDC_c);
break;
case IDC_sqrt:
m1state=1;
m2state=0;
OpState=0;
calculate(nID);
break;
case IDC_percent:
m1state=1;
m2state=0;
OpState=0;
calculate(nID);
break;
case IDC_frac:
m1state=1;
m2state=0;
OpState=0;
calculate(nID);
break;
case IDC_sign:
m1state=1;
m2state=0;
OpState=0;
calculate(nID);
break;
case IDC_ce:
m1state=0;
m2state=0;
OpState=0;
m_number1=0;
m_number=0;
break;
}
_nID=nID;
}
else //接收第2个符号 进入状态3
{
switch(nID)
{
//转变为状态4
case IDC_add:
m1state=1;
m2state=0;
OpState=1;
break;
case IDC_sub:
m1state=1;
m2state=0;
OpState=1;
break;
case IDC_devide:
m1state=1;
m2state=0;
OpState=1;
break;
case IDC_equal:
m1state=1;
m2state=0;
OpState=0;
break;
case IDC_multi:
m1state=1;
m2state=0;
OpState=1;
break;
case IDC_ce:
m1state=1;
m2state=0;
OpState=0;
m_number2=0;
m_number=0;
break;
case IDC_c:
calculate(nID);
break;
}
calculate(_nID);
}
Statedecide();
UpdateData(FALSE);
}
}
///////////////////////////////////////////////////////////////////
void CcalculDlg::calculate(int nID)
{
switch(nID)
{
case IDC_c:
m_number2=0;
m_number1=0;
DotState=0;
m1state=0;
m2state=0;
OpState=0;
State=0;
m_number=0;
t=0;
break;
case IDC_devide:
m_number1=m_number1/m_number2;
break;
case IDC_add:
m_number1=m_number1+m_number2;
break;
case IDC_sub:
m_number1=m_number1-m_number2;
break;
case IDC_multi:
m_number1=m_number1*m_number2;
break;
case IDC_percent:
m_number1=m_number1/100;
break;
case IDC_sign:
m_number1=-m_number1;
break;
case IDC_frac:
m_number1=1/m_number1;
break;
}
m_number=m_number1;
}
///////////
/////////////////////////////////////////////////////////////
void CcalculDlg::OnBnClickedadd()
{
OperationDecide(IDC_add);
}
void CcalculDlg::OnBnClicked7()
{
AddNum(7);
}
void CcalculDlg::OnBnClicked8()
{
AddNum(8);
}
void CcalculDlg::OnBnClicked9()
{
AddNum(9);
}
void CcalculDlg::OnBnClicked4()
{
AddNum(4);
}
void CcalculDlg::OnBnClicked5()
{
AddNum(5);
}
void CcalculDlg::OnBnClicked6()
{
AddNum(6);
}
void CcalculDlg::OnBnClicked1()
{
AddNum(1);
}
void CcalculDlg::OnBnClicked2()
{
AddNum(2);
}
void CcalculDlg::OnBnClicked3()
{
AddNum(3);
}
void CcalculDlg::OnBnClicked0()
{
AddNum(0);
}
//////////////////////////////////////////////////////////
void CcalculDlg::OnBnClickedbackspace()
{
OperationDecide(IDC_backspace);
}
void CcalculDlg::OnBnClickedc()
{
OperationDecide(IDC_c);
}
void CcalculDlg::OnBnClickeddevide()
{
OperationDecide(IDC_devide);
}
void CcalculDlg::OnBnClickedsqrt()
{
OperationDecide(IDC_sqrt);
}
void CcalculDlg::OnBnClickedmulti()
{
OperationDecide(IDC_multi);
}
void CcalculDlg::OnBnClickedpercent()
{
OperationDecide(IDC_percent);
}
void CcalculDlg::OnBnClickedsub()
{
OperationDecide(IDC_sub);
}
void CcalculDlg::OnBnClickedfrac()
{
OperationDecide(IDC_frac);
}
void CcalculDlg::OnBnClickedsign()
{
OperationDecide(IDC_sign);
}
void CcalculDlg::OnBnClickedpoint()
{
DotState=1;
t=1;
}
void CcalculDlg::OnBnClickedequal()
{
OperationDecide(IDC_equal);
}
void CcalculDlg::OnBnClickedce()
{
OperationDecide(IDC_ce);
}
void CAboutDlg::OnAboutbox()
{
CAboutDlg aboutDlg;
aboutDlg.DoModal();
}
void CcalculDlg::OnAboutbox()
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -