unitconversion.c

minigui PDA系统 可实现手机功能

#include <stdio.h>
#include <string.h>

#include <minigui/common.h>
#include <minigui/minigui.h>
#include <minigui/gdi.h>
#include <minigui/window.h>
#include <minigui/control.h>

#define IDC_UNIT1         100
#define IDC_UNIT2         101
#define IDC_TYPE    	  110
#define IDC_NUMBER1       111
#define IDC_NUMBER2       120
#define IDC_STATIC1       121
#define IDC_QUIT          130
#define IDC_COMBOBOX1     131
#define IDC_COMBOBOX2     140
#define IDC_COMBOBOX3     141
#define IDC_CHAR          150

//static BITMAP bmp;

//对话框模板
static DLGTEMPLATE DlgInitProgress =
{
	WS_BORDER | WS_CAPTION,
	WS_EX_NONE,
	0,0, 320, 216,
	"单位换算",
	0,0,
	11,NULL,
	0
};

//空间模板数组
static 	CTRLDATA CtrlInitProgress [] =
{
	{
		CTRL_STATIC,
		WS_VISIBLE | SS_SIMPLE,
		10,10,35,25,
		IDC_TYPE,
		"类型",
		0
	},
	{
		CTRL_STATIC,
		WS_VISIBLE | SS_SIMPLE,
		10,40,35,25,
		IDC_UNIT1,
		"单位",
		0
	},
	
	{
		CTRL_STATIC,
		WS_VISIBLE | SS_SIMPLE,
		10,70,35,25,
		IDC_NUMBER1,
		"数量",
		0
	},
	{
		CTRL_STATIC,
		WS_VISIBLE,
		10,100,35,25,
		IDC_UNIT2,
		"单位",
		0
	},
	{
		CTRL_STATIC,
		WS_VISIBLE | SS_SIMPLE | SS_NOTIFY,
		10,130,35,25,
		IDC_NUMBER2,
		"数量",
		0
	},
	{
		CTRL_STATIC,
		WS_VISIBLE | WS_BORDER | SS_SIMPLE,
		60,130,103,25,
		IDC_STATIC1,
		"",
		0
	},
	{
        CTRL_COMBOBOX,
        WS_VISIBLE | CBS_DROPDOWNLIST | CBS_NOTIFY,
        60,10,120,25,
        IDC_COMBOBOX1, 
        "",
        0
    },
    {
        CTRL_COMBOBOX,
        WS_VISIBLE | CBS_DROPDOWNLIST | CBS_NOTIFY,
        60,40,120,25,
        IDC_COMBOBOX2, 
        "",
        0
    },
     {
        CTRL_COMBOBOX,
        WS_VISIBLE | CBS_DROPDOWNLIST | CBS_NOTIFY,
        60,100,120,25,
        IDC_COMBOBOX3, 
        "",
        0
    },
    {
		CTRL_SLEDIT,  
		 WS_VISIBLE |WS_BORDER | WS_TABSTOP ,
		60,70,103,25,
		IDC_CHAR,
		"",
		0
	},
	{
		"button",
		WS_TABSTOP | WS_VISIBLE | BS_DEFPUSHBUTTON,
		70,170,60,25,
		IDC_QUIT,
		"退出",
		0
	}
};

static const char* type [] =
{
    "长度换算",
    "面积换算",
    "容积换算",
    "重量换算",
    
};

static const char* length [] =
{
    "米",
    "厘米",
    "英寸"
};

static const char* square [] =
{
    "公亩",
    "公顷",
    "英亩"
};

static const char* cubage [] =
{
    "升",
    "立方米",
    "立方英寸"
};

static const char* weight [] =
{
    "公斤",
    "克",
    "磅"
};

//进行换算用
static const double Unit[4][3][3] =
{
	{
	1,		0.01,	0.0254,
	100,		1,		2.54,
	39.37,  	0.39,	1
	},
	{
	1,		100,		40.47,
	0.01,	1,		0.4047,
	0.0247,	2.4711,	1
	},
	{
	1,		1000,	3.79,
	0.001,	1,		0.0038,
	0.2642,	264.17,	1
	},
	{
	1,		0.001,	0.4534,
	1000,	1,		453.59,
	2.2046,	0.0022,	1
	}
};

//如果在编辑框中输入值后在静态文本框上显示换算后的值，换算过程如下
static void edit_notif_proc (HWND hWnd, int id, int nc, DWORD add_data)
{
	double len; //编辑框中的输入值
	char buff[60];	//存放编辑框中的字符串
    int cur_sel1, cur_sel2, cur_sel3; //存放下拉框当前选项值
	
	if(id == IDC_CHAR && nc == EN_CHANGE)
	{
		//获取下拉框当前选项索引值
		cur_sel1 = SendMessage (GetDlgItem(GetParent(hWnd),IDC_COMBOBOX1), CB_GETCURSEL, 0, 0); 
		cur_sel2 = SendMessage (GetDlgItem(GetParent(hWnd),IDC_COMBOBOX2), CB_GETCURSEL,0, 0);
		cur_sel3 = SendMessage (GetDlgItem(GetParent(hWnd),IDC_COMBOBOX3), CB_GETCURSEL,0, 0);
	
		if (cur_sel2 == -1) 
		{
			cur_sel2 = 0;
		}
		if (cur_sel3 == -1) 
		{
			cur_sel3 = 0;
		}
		
		GetWindowText (hWnd, buff, 30); //获取编辑框中的字符串存放在buff中
        len = (double) atoi(buff);      //数值字符串转换成对应的数值
        len = len / Unit[cur_sel1][cur_sel2][cur_sel3];  //换算
        	
		sprintf(buff, "%.5f", len);   //将数值转换成字符串存放在buff中
		SetDlgItemText(GetParent(hWnd), IDC_STATIC1, buff); //将buff中的值显示到静态文本框中
	}
}

static void combobox_notif_proc (HWND hWnd, int id, int nc, DWORD add_data)
{
    int i;
    int cur_sel;
    
    //如果类型下拉框有改变执行以下过程
    if (id == IDC_COMBOBOX1 && nc == CBN_SELCHANGE)
    {
        
        cur_sel = SendMessage (hWnd, CB_GETCURSEL, 0, 0);  //获取类型下拉框中的当前选项索引值
        
        
		SendDlgItemMessage(GetParent(hWnd), IDC_COMBOBOX2, CB_RESETCONTENT, 0, 0);  //清空单位下拉框中的选项
		SendDlgItemMessage(GetParent(hWnd), IDC_COMBOBOX3, CB_RESETCONTENT, 0, 0);
        
        if(cur_sel == 0)
        {
			
			SetWindowText (GetDlgItem (GetParent(hWnd), IDC_COMBOBOX2), length[0]);  //设置单位下拉框1中初始显示的内容
			SetWindowText (GetDlgItem (GetParent(hWnd), IDC_COMBOBOX3), length[0]);	 //设置单位下拉框2中初始显示的内容
			
			for (i = 0; i < 3; i++)
			{
				
				SendDlgItemMessage(GetParent(hWnd), IDC_COMBOBOX2, CB_ADDSTRING, 0, (LPARAM)length[i]);
				SendDlgItemMessage(GetParent(hWnd), IDC_COMBOBOX3, CB_ADDSTRING, 0, (LPARAM)length[i]);
	
			}
		}
		if(cur_sel == 1)
		{
			SetWindowText (GetDlgItem (GetParent(hWnd), IDC_COMBOBOX2), square[0]);
			SetWindowText (GetDlgItem (GetParent(hWnd), IDC_COMBOBOX3), square[0]);
			
			for (i = 0; i < 3; i++)
			{
				SendDlgItemMessage(GetParent(hWnd), IDC_COMBOBOX2, CB_ADDSTRING, 0, (LPARAM)square[i]);
				SendDlgItemMessage(GetParent(hWnd), IDC_COMBOBOX3, CB_ADDSTRING, 0, (LPARAM)square[i]);
			}
		}
		if(cur_sel == 2)
		{
			SetWindowText (GetDlgItem (GetParent(hWnd), IDC_COMBOBOX2), cubage[0]);
			SetWindowText (GetDlgItem (GetParent(hWnd), IDC_COMBOBOX3), cubage[0]);
			
			for (i = 0; i < 3; i++)
			{
				SendDlgItemMessage(GetParent(hWnd), IDC_COMBOBOX2, CB_ADDSTRING, 0, (LPARAM)cubage[i]);
				SendDlgItemMessage(GetParent(hWnd), IDC_COMBOBOX3, CB_ADDSTRING, 0, (LPARAM)cubage[i]);
			}
		}
		if(cur_sel == 3)
		{
			SetWindowText (GetDlgItem (GetParent(hWnd), IDC_COMBOBOX2), weight[0]);
			SetWindowText (GetDlgItem (GetParent(hWnd), IDC_COMBOBOX3), weight[0]);
			
			for (i = 0; i < 3; i++)
			{
				SendDlgItemMessage(GetParent(hWnd), IDC_COMBOBOX2, CB_ADDSTRING, 0, (LPARAM)weight[i]);
				SendDlgItemMessage(GetParent(hWnd), IDC_COMBOBOX3, CB_ADDSTRING, 0, (LPARAM)weight[i]);
			}
		}
		
	}
			
}


static int InitDialogBoxProc(HWND hDlg, int message, WPARAM wParam, LPARAM lParam)
{
	//HDC hdc;
	int i, j;
	//hdc=GetClientDC(hDlg);
	switch(message)
	{
	case MSG_INITDIALOG:
		//if(LoadBitmap(HDC_SCREEN, &bmp,"21.gif"))
		//	return -1;
		
		for (i = 0; i < 4; i++)
		{  
            SendDlgItemMessage(hDlg, IDC_COMBOBOX1, CB_ADDSTRING, 0, (LPARAM)type[i]);  //向下拉框中添加选项
        }
        
        
        SendDlgItemMessage(hDlg, IDC_COMBOBOX1, CB_SETCURSEL, 0, 0);   //设置下拉框的默认显示
        SetWindowText (GetDlgItem (hDlg, IDC_COMBOBOX2), length[0]);
		SetWindowText (GetDlgItem (hDlg, IDC_COMBOBOX3), length[0]);
		
		for (j = 0; j < 3; j++) 
		{
			SendDlgItemMessage(hDlg, IDC_COMBOBOX2, CB_ADDSTRING, 0, (LPARAM)length [j]);
			SendDlgItemMessage(hDlg, IDC_COMBOBOX3, CB_ADDSTRING, 0, (LPARAM)length [j]);
        }
        
         //注册回调函数
        SetWindowAdditionalData (hDlg, lParam);
        SetNotificationCallback (GetDlgItem (hDlg, IDC_COMBOBOX1), combobox_notif_proc);
        SetNotificationCallback (GetDlgItem (hDlg, IDC_CHAR), edit_notif_proc);
		
		return 1;
	
	case MSG_COMMAND:
		switch(wParam)
		{
		case IDC_QUIT: //点击退出按钮产生这个消息
			EndDialog(hDlg, wParam); //结束对话框
		//	UnloadBitmap(&bmp);
			break;
		}
		break;

	//case MSG_ERASEBKGND:
		//FillBoxWithBitmap(hdc, 0,0,100,30,&bmp);
		//break;
	}
	return DefaultDialogProc(hDlg, message, wParam, lParam);
}

static void InitDialogBox(HWND hWnd)
{
	DlgInitProgress.controls = CtrlInitProgress; //将控件模板数组赋值给对话框模板的控件指针

	DialogBoxIndirectParam(&DlgInitProgress, hWnd, InitDialogBoxProc, 0L); //此函数绘制对话框
}

int UnitConversion(HWND hWnd)
{
	InitDialogBox(hWnd);
	return 0;
}