buttons.c

《Linux程序设计权威指南》源代码

	/* File: buttons.c */

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

	int main(int argc, char *argv[]) 
	{
		int i;
		//定义组件
		newtComponent form;
		newtComponent label_checkbox, label_radiobutton;
		newtComponent checkbox[3], radiobutton[3];
		newtComponent button_ok;
		newtComponent co;
		char result_checkbox[3];
		int  result_radiobutton;

		char *str_checkbox[3] = {
			"计算机",
			"鼠标",
			"键盘"
		};
		char *str_radiobutton[3] = {
			"Linux",
			"Windows",
			"Macintosh"
		};


		//初始化
		newtInit();
		newtCls();

		//建立窗口
		newtCenteredWindow(50, 11, "Buttons Sample");

		//-------------------------------------------
		//建立Form
		form = newtForm(NULL, NULL, 0);

		//多选按钮
		label_checkbox = newtLabel(4, 1, "硬件列表");
		newtFormAddComponent(form, label_checkbox);
		for(i=0; i<3; i++){
			checkbox[i] = newtCheckbox(2, 3 + i, str_checkbox[i],
				' ', " *", NULL);
			newtFormAddComponent(form, checkbox[i]);
		}

		label_radiobutton = newtLabel(30, 1, "软件列表");
		newtFormAddComponent(form, label_radiobutton);


		radiobutton[0] = newtRadiobutton(30, 3, str_radiobutton[0], 
			1, NULL);
		radiobutton[1] = newtRadiobutton(30, 4, str_radiobutton[1], 
			0, radiobutton[0]);
		radiobutton[2] = newtRadiobutton(30, 5, str_radiobutton[2], 
			0, radiobutton[1]);
		for(i=0; i<3; i++)
			newtFormAddComponent(form, radiobutton[i]);

		button_ok = newtButton(20, 7, "确认");
		newtFormAddComponent(form, button_ok);

		//--------------------------------------------
		//进入循环
		newtRunForm(form);

		//获取结果

		for(i=0; i<3; i++)
			result_checkbox[i] = newtCheckboxGetValue(checkbox[i]);
		co = newtRadioGetCurrent(radiobutton[0]);
		for(i=0; i<3; i++){
			if(co == radiobutton[i]) result_radiobutton = i;
		}


		//关闭Form
		newtFormDestroy(form);

		//复原
		newtFinished();

		//打印结果
		printf("硬件选择:\n");
		for(i=0; i<3; i++)
			if(result_checkbox[i] == '*')
				printf("[*] %s\n", str_checkbox[i]);
		printf("软件选择:\n");
		printf("(*) %s\n", str_radiobutton[result_radiobutton]);

	}