mouse1.c

操作系统演示

/******************************** 鼠标操作函数 *************************************/
#include "head1.h"

void Msinit()
{   regs.x.ax=1;
    int86(0x33,&regs,&regs);

}

void arrow()
{   int size;
    int raw[]={6,51,20,51,6,65,6,51};

    fillpoly(4,raw);
    size=imagesize(6,52,20,65);
    rar=malloc(size);
    getimage(6,51,20,65,rar);


}

int MSget(int *px,int *py)
{   int x,y;
    x=*px;
    y=*py;
    regs.x.ax=3;
    int86(0x33,&regs,&regs);
    *px=regs.x.cx;
    *py=regs.x.dx;
    if(x!=*px||y!=*py)
      return 1;
    else
      return 0;
}

int ISinbox(int px1,int py1,int px2,int py2)
{   int px,py;
    MSget(&px,&py);
    if((px1<=px&&px2>=px)&&(py1<=py&&py2>=py))
      return 1;
    else
     return 0;
}

int LMSpress()
{   regs.x.ax=3;
    int86(0x33,&regs,&regs);
    return (regs.x.bx&1);
}


void MSfuwei()
{
    regs.x.ax=21;
    int86(0x33,&regs,&regs);
}