mouse.h

计算机图形学程序

#define RESET_MOUSE 0
#define GET_MOUSE_STATUS 3
#define CHECK_BUTTON_PRESS
#define CHECK_BUTTON_RELEASE
#define GET_MOUSE_MOVEMENT 0
#define SET_MOUSE_COORD 4 
#define SHOW_MOUSE 1
#define HIDE_MOUSE 2
#define LEFT_BUTTON
#define RIGHT_BUTTON
#define EITHER_BUTTON
void mouse(int *m1,int *m2,int *m3,int *m4);
{
	union REGS inregs,outregs;

	inregs.x.ax=*m1;
	inregs.x.bx=*m2;
	inregs.x.cx=*m3;
	inregs.x.dx=*m4;
	int86(0x33,&inregs,&outregs);
	*m1=outregs.x.ax;
	*m2=outregs.x.bx;
	*m3=outregs.x.cx;
	*m4=outregs.x.dx;
}
int resetmouse(void)
{
	int m1,m2,m3,m4;
	m1=RESET_MOUSE;
	mouse(&m1,&m2,&m3,&m4);
	return(m1);
}
void movemouse(int x,int y)
{
	int m1,m2;
	if(mouseexits())
	{
		m1=SET_MOUSE_COORD;
		if(getmaxx()==319)
			x*=2;
		mouse(&m1,&m2,&x,&y);
	}
}
int inimouse(void)
{
	mouseexits=TURE;
	if(resetmouse())
	{
		movemouse(200,200);
		showmouse();
		return(1);
	}
}
void getmousecoords(int *x,int *y)
{
	int m1,m2;
	m1=GET_MOUSE_STATUS;
	mouse(&m1,&m2,&x,&y);
	if(getmaxx()=319)
		(*x)/=2;
}
void showmouse(void)
{
	int m1,m2,m3,m4;
	if(mouseexits())
	{
		m1=SHOW_MOUSE;
		mouse(&m1,&m2,&m3,&m4);
	}
}
void hidemouse(void)
{
	int m1,m2,m3,m4;
	if(mouseexits())
	{
		m1=HIDE_MOUSE;
		mouse(&m1,&m2,&m3,&m4);
	}
}
void getmousemovment(int *x,int *y)
{
	int m1,m2;
	m1=GET_MOUSE_MOVMENT;
	mouse(&m1,&m2,&x,&y);
	if(getmaxx()=319)
		(*x)/=2;
}
int testbutton(int testtype,int whichbutton)
{
	int m1,m2,m3,m4;
	m1=testtype;
	if(whichbutton==LEFT_BUTTON||whichbutton==EITHER_BUTTON)
	{
		m2=LEFT_BUTTON;
		mouse(&m1,&m2,&m3,&m4);
		if(m2)
			return(TRUE);
	}
	if(whichbutton==RIGHT_BUTTON||whichbutton==EITHER_BUTTON)
	{
		m2=RIGHT_BUTTON;
		mouse(&m1,&m2,&m3,&m4);
		if(m2)
			return(TRUE);
	}
	return(FLASE);
}
int mousebuttonreleased(int whichbutton)
{
	return(testbutton(CHECK_BUTTON_RELEASED,whichbutton));
}
int mousebuttonpressed(int whichbutton)
{
	return(testbutton(CHECK_BUTTON_PRESS,whichbutton));
}
int getinput(int whichbutton)
{
	if(!mouseexits)
	{
		printf("No mouse!");
		return(0);
	}
	else
	{
		if(mousebuttonpressed(whichbutton))
		{
			while(!mousebuttonreleased(whichbutton))
				return(-1);
		}
		else if(mousebuttonreleasd(whichbutton))
			return(-1);
		else if(mousebuttonpressd(whichbutton))
			return(1);
		return(0);
	}
}
int left_pressed(void);	
int right_pressed(void);