/* * Some of the stuff in this file is not X-dependent and should be elsewhere. */#include <u.h>#include <libc.h>#include <draw.h>#include <memdraw.h>#include <keyboard.h>#include <mouse.h>#include <cursor.h> static int parsewinsize(char*, Rectangle*, int*); static void	plan9cmap(void); Memimage*_xattach(char *label, char *winsize){	char *argv[2], *disp;	int i, havemin, height, mask, n, width, x, xrootid, y;	Rectangle r; 	return nil;} int_xsetlabel(char *label){	return 0;}/* * Initialize map with the Plan 9 rgbv color map. */static voidplan9cmap(void){	int r, g, b, cr, cg, cb, v, num, den, idx, v7, idx7;	static int once; 	if(once)		return;	once = 1; 	for(r=0; r!=4; r++)	for(g = 0; g != 4; g++)	for(b = 0; b!=4; b++)	for(v = 0; v!=4; v++){		den=r;		if(g > den)			den=g;		if(b > den)			den=b;		/* divide check -- pick grey shades */		if(den==0)			cr=cg=cb=v*17;		else {			num=17*(4*den+v);			cr=r*num/den;			cg=g*num/den;			cb=b*num/den;		}		idx = r*64 + v*16 + ((g*4 + b + v - r) & 15);#if 0		_x.map[idx].red = cr*0x0101;		_x.map[idx].green = cg*0x0101;		_x.map[idx].blue = cb*0x0101;		_x.map[idx].pixel = idx;		_x.map[idx].flags = DoRed|DoGreen|DoBlue; 		v7 = v >> 1;		idx7 = r*32 + v7*16 + g*4 + b;		if((v & 1) == v7){			_x.map7to8[idx7][0] = idx;			if(den == 0) { 		/* divide check -- pick grey shades */				cr = ((255.0/7.0)*v7)+0.5;				cg = cr;				cb = cr;			}			else {				num=17*15*(4*den+v7*2)/14;				cr=r*num/den;				cg=g*num/den;				cb=b*num/den;			}			_x.map7[idx7].red = cr*0x0101;			_x.map7[idx7].green = cg*0x0101;			_x.map7[idx7].blue = cb*0x0101;			_x.map7[idx7].pixel = idx7;			_x.map7[idx7].flags = DoRed|DoGreen|DoBlue;		}		else			_x.map7to8[idx7][1] = idx;#endif	}}  void_flushmemscreen(Rectangle r){}  static intparsewinsize(char *s, Rectangle *r, int *havemin){	char c, *os;	int i, j, k, l; 	os = s;	*havemin = 0;	*r = Rect(0,0,0,0);	if(!isdigit((uchar)*s))		goto oops;	i = strtol(s, &s, 0);	if(*s == 'x'){		s++;		if(!isdigit((uchar)*s))			goto oops;		j = strtol(s, &s, 0);		r->max.x = i;		r->max.y = j;		if(*s == 0)			return 0;		if(*s != '@')			goto oops; 		s++;		if(!isdigit((uchar)*s))			goto oops;		i = strtol(s, &s, 0);		if(*s != ',' && *s != ' ')			goto oops;		s++;		if(!isdigit((uchar)*s))			goto oops;		j = strtol(s, &s, 0);		if(*s != 0)			goto oops;		*r = rectaddpt(*r, Pt(i,j));		*havemin = 1;		return 0;	} 	c = *s;	if(c != ' ' && c != ',')		goto oops;	s++;	if(!isdigit((uchar)*s))		goto oops;	j = strtol(s, &s, 0);	if(*s != c)		goto oops;	s++;	if(!isdigit((uchar)*s))		goto oops;	k = strtol(s, &s, 0);	if(*s != c)		goto oops;	s++;	if(!isdigit((uchar)*s))		goto oops;	l = strtol(s, &s, 0);	if(*s != 0)		goto oops;	*r = Rect(i,j,k,l);	*havemin = 1;	return 0; oops:	werrstr("bad syntax in window size '%s'", os);	return -1;}