form.cpp

来自「俄罗斯方块」· C++ 代码 · 共 52 行

#include "Form.h"
#include <conio.h>
Form::Form(Rect r, COLORREF bColor, COLORREF fColor)
{
	region = r;
	backColor = bColor;
	foreColor = fColor;
}

void Form::erase(COLORREF eraseColor)const
{
	setfillstyle(eraseColor);
	bar(region.x,region.y,region.x+region.width,region.y+region.height);
}

Command Form::readOperator()const
{
	HANDLE hIn=GetStdHandle(STD_INPUT_HANDLE);//获取标准输入设备句柄
	INPUT_RECORD keyRec;
	DWORD res;	
	if(!kbhit())
		return NONE;
	//读取控制台的输入，包括键盘和鼠标
	ReadConsoleInput(hIn, &keyRec, 1, &res);
	flushall();
	//判断键是否按下，不加此判断则会执行两次，即按下和抬起都会触发
	if (keyRec.Event.KeyEvent.bKeyDown)
	{
		//虚拟键码 在Winuser.h中定义
		switch(keyRec.Event.KeyEvent.wVirtualKeyCode) 
		{
		case VK_LEFT:	//左方向键
			return LEFT;
		case VK_RIGHT:
			return RIGHT;
		case VK_UP:
			return ROTATE;
		case VK_DOWN:
			return FALL;
		case VK_ESCAPE:
			return QUIT;
		case VK_SPACE:
			return PAUSE;
		case VK_F1:
			return HELP;
			//可扩充其他命令
		}//end of switch								
	}//end of if
	return INVALID;
}