1 76193d7c 2003-09-30 devnull /*
  2 76193d7c 2003-09-30 devnull  * Some of the stuff in this file is not X-dependent and should be elsewhere.
  3 76193d7c 2003-09-30 devnull  */
  4 76193d7c 2003-09-30 devnull #include <u.h>
  5 be22ae2d 2004-03-26 devnull #include "x11-inc.h"
  6 76193d7c 2003-09-30 devnull #include <libc.h>
  7 76193d7c 2003-09-30 devnull #include <draw.h>
  8 76193d7c 2003-09-30 devnull #include <memdraw.h>
  9 76193d7c 2003-09-30 devnull #include <keyboard.h>
 10 76193d7c 2003-09-30 devnull #include <mouse.h>
 11 76193d7c 2003-09-30 devnull #include <cursor.h>
 12 76193d7c 2003-09-30 devnull #include "x11-memdraw.h"
 13 be36ff68 2004-04-29 devnull 
 14 be36ff68 2004-04-29 devnull char *winsize;
 15 be36ff68 2004-04-29 devnull static int parsewinsize(char*, Rectangle*, int*);
 16 76193d7c 2003-09-30 devnull 
 17 76193d7c 2003-09-30 devnull static Memimage	*xattach(char*);
 18 76193d7c 2003-09-30 devnull static void	plan9cmap(void);
 19 76193d7c 2003-09-30 devnull static int	setupcmap(XWindow);
 20 d4853cf4 2003-10-01 devnull static int	xreplacescreenimage(void);
 21 76193d7c 2003-09-30 devnull static XGC	xgc(XDrawable, int, int);
 22 6325e032 2004-03-26 devnull static Image	*getimage0(Display*, Image*);
 23 76193d7c 2003-09-30 devnull 
 24 76193d7c 2003-09-30 devnull Xprivate _x;
 25 76193d7c 2003-09-30 devnull 
 26 76193d7c 2003-09-30 devnull Display*
 27 76193d7c 2003-09-30 devnull _initdisplay(void (*error)(Display*, char*), char *label)
 28 76193d7c 2003-09-30 devnull {
 29 76193d7c 2003-09-30 devnull 	Display *d;
 30 76193d7c 2003-09-30 devnull 	Memimage *m;
 31 76193d7c 2003-09-30 devnull 
 32 f7012583 2003-11-25 devnull 	/*
 33 f7012583 2003-11-25 devnull 	 * This rfork(RFNOTEG) isn't exactly right,
 34 f7012583 2003-11-25 devnull 	 * but we need some way to signal window 
 35 f7012583 2003-11-25 devnull 	 * closes.  Right now we post a hangup
 36 f7012583 2003-11-25 devnull 	 * note to the note group, which kills a whole
 37 f7012583 2003-11-25 devnull 	 * lot more than just the current program
 38 f7012583 2003-11-25 devnull 	 * if we don't do this.
 39 f7012583 2003-11-25 devnull 	 */
 40 3151bc58 2004-04-21 devnull 	/*
 41 3151bc58 2004-04-21 devnull 	 * Actually, I don't know what I changed but
 42 3151bc58 2004-04-21 devnull 	 * this appears not to be necessary anymore.
 43 3151bc58 2004-04-21 devnull 	 * I'll regret this probably.
 44 f7012583 2003-11-25 devnull 	rfork(RFNOTEG);
 45 3151bc58 2004-04-21 devnull 	*/
 46 76193d7c 2003-09-30 devnull 	memimageinit();
 47 76193d7c 2003-09-30 devnull 
 48 76193d7c 2003-09-30 devnull 	d = mallocz(sizeof(Display), 1);
 49 76193d7c 2003-09-30 devnull 	if(d == nil)
 50 76193d7c 2003-09-30 devnull 		return nil;
 51 76193d7c 2003-09-30 devnull 
 52 76193d7c 2003-09-30 devnull 	d->buf = malloc(16000+5);
 53 76193d7c 2003-09-30 devnull 	d->obuf = malloc(16000);
 54 76193d7c 2003-09-30 devnull 	if(d->buf == nil || d->obuf == nil){
 55 76193d7c 2003-09-30 devnull 		free(d->buf);
 56 76193d7c 2003-09-30 devnull 		free(d->obuf);
 57 76193d7c 2003-09-30 devnull 		free(d);
 58 76193d7c 2003-09-30 devnull 		return nil;
 59 76193d7c 2003-09-30 devnull 	}
 60 76193d7c 2003-09-30 devnull 	d->bufsize = 16000;
 61 76193d7c 2003-09-30 devnull 	d->obufsize = 16000;
 62 76193d7c 2003-09-30 devnull 	d->bufp = d->buf;
 63 76193d7c 2003-09-30 devnull 	d->obufp = d->obuf;
 64 76193d7c 2003-09-30 devnull 
 65 76193d7c 2003-09-30 devnull 	m = xattach(label);
 66 76193d7c 2003-09-30 devnull 	if(m == nil){
 67 76193d7c 2003-09-30 devnull 		free(d);
 68 76193d7c 2003-09-30 devnull 		return nil;
 69 76193d7c 2003-09-30 devnull 	}
 70 76193d7c 2003-09-30 devnull 
 71 76193d7c 2003-09-30 devnull 	d->error = error;
 72 76193d7c 2003-09-30 devnull 	_initdisplaymemimage(d, m);
 73 6325e032 2004-03-26 devnull 	d->screenimage = getimage0(d, 0);
 74 76193d7c 2003-09-30 devnull 	return d;
 75 76193d7c 2003-09-30 devnull }
 76 76193d7c 2003-09-30 devnull 
 77 76193d7c 2003-09-30 devnull static Image*
 78 6325e032 2004-03-26 devnull getimage0(Display *d, Image *image)
 79 76193d7c 2003-09-30 devnull {
 80 be22ae2d 2004-03-26 devnull 	char info[12*12+1];
 81 be22ae2d 2004-03-26 devnull 	uchar *a;
 82 76193d7c 2003-09-30 devnull 	int n;
 83 6325e032 2004-03-26 devnull 	extern int _freeimage1(Image*);
 84 76193d7c 2003-09-30 devnull 
 85 6325e032 2004-03-26 devnull 	/*
 86 6325e032 2004-03-26 devnull 	 * If there's an old screen, it has id 0.  The 'J' request below
 87 6325e032 2004-03-26 devnull 	 * will try to install the new screen as id 0, so the old one 
 88 6325e032 2004-03-26 devnull 	 * must be freed first.
 89 6325e032 2004-03-26 devnull 	 */
 90 6325e032 2004-03-26 devnull 	if(image){
 91 6325e032 2004-03-26 devnull 		_freeimage1(image);
 92 6325e032 2004-03-26 devnull 		memset(image, 0, sizeof(Image));
 93 6325e032 2004-03-26 devnull 	}
 94 6325e032 2004-03-26 devnull 
 95 76193d7c 2003-09-30 devnull 	a = bufimage(d, 2);
 96 76193d7c 2003-09-30 devnull 	a[0] = 'J';
 97 76193d7c 2003-09-30 devnull 	a[1] = 'I';
 98 76193d7c 2003-09-30 devnull 	if(flushimage(d, 0) < 0){
 99 76193d7c 2003-09-30 devnull 		fprint(2, "cannot read screen info: %r\n");
100 76193d7c 2003-09-30 devnull 		abort();
101 76193d7c 2003-09-30 devnull 	}
102 161060a4 2003-10-11 devnull 
103 76193d7c 2003-09-30 devnull 	n = _drawmsgread(d, info, sizeof info);
104 76193d7c 2003-09-30 devnull 	if(n != 12*12){
105 76193d7c 2003-09-30 devnull 		fprint(2, "short screen info\n");
106 76193d7c 2003-09-30 devnull 		abort();
107 76193d7c 2003-09-30 devnull 	}
108 76193d7c 2003-09-30 devnull 
109 6325e032 2004-03-26 devnull 	if(image == nil){
110 6325e032 2004-03-26 devnull 		image = mallocz(sizeof(Image), 1);
111 6325e032 2004-03-26 devnull 		if(image == nil){
112 6325e032 2004-03-26 devnull 			fprint(2, "cannot allocate image: %r\n");
113 6325e032 2004-03-26 devnull 			abort();
114 6325e032 2004-03-26 devnull 		}
115 6325e032 2004-03-26 devnull 	}
116 6325e032 2004-03-26 devnull 
117 76193d7c 2003-09-30 devnull 	image->display = d;
118 76193d7c 2003-09-30 devnull 	image->id = 0;
119 76193d7c 2003-09-30 devnull 	image->chan = strtochan(info+2*12);
120 76193d7c 2003-09-30 devnull 	image->depth = chantodepth(image->chan);
121 76193d7c 2003-09-30 devnull 	image->repl = atoi(info+3*12);
122 76193d7c 2003-09-30 devnull 	image->r.min.x = atoi(info+4*12);
123 76193d7c 2003-09-30 devnull 	image->r.min.y = atoi(info+5*12);
124 76193d7c 2003-09-30 devnull 	image->r.max.x = atoi(info+6*12);
125 76193d7c 2003-09-30 devnull 	image->r.max.y = atoi(info+7*12);
126 76193d7c 2003-09-30 devnull 	image->clipr.min.x = atoi(info+8*12);
127 76193d7c 2003-09-30 devnull 	image->clipr.min.y = atoi(info+9*12);
128 76193d7c 2003-09-30 devnull 	image->clipr.max.x = atoi(info+10*12);
129 76193d7c 2003-09-30 devnull 	image->clipr.max.y = atoi(info+11*12);
130 76193d7c 2003-09-30 devnull 	return image;
131 76193d7c 2003-09-30 devnull }
132 76193d7c 2003-09-30 devnull 
133 76193d7c 2003-09-30 devnull int
134 76193d7c 2003-09-30 devnull getwindow(Display *d, int ref)
135 76193d7c 2003-09-30 devnull {
136 76193d7c 2003-09-30 devnull 	Image *i;
137 6325e032 2004-03-26 devnull 	Image *oi;
138 76193d7c 2003-09-30 devnull 
139 16a70966 2003-11-23 devnull 	if(_x.destroyed)
140 16a70966 2003-11-23 devnull 		postnote(PNGROUP, getpgrp(), "hangup");
141 d4853cf4 2003-10-01 devnull 	if(xreplacescreenimage() == 0)
142 d4853cf4 2003-10-01 devnull 		return 0;
143 6325e032 2004-03-26 devnull 
144 6325e032 2004-03-26 devnull 	/*
145 6325e032 2004-03-26 devnull 	 * Libdraw promises not to change the value of "screen",
146 6325e032 2004-03-26 devnull 	 * so we have to reuse the image structure
147 6325e032 2004-03-26 devnull 	 * memory we already have.
148 6325e032 2004-03-26 devnull 	 */
149 6325e032 2004-03-26 devnull 	oi = d->screenimage;
150 6325e032 2004-03-26 devnull 	i = getimage0(d, oi);
151 76193d7c 2003-09-30 devnull 	screen = d->screenimage = d->image = i;
152 6325e032 2004-03-26 devnull 	// fprint(2, "getwindow %p -> %p\n", oi, i);
153 76193d7c 2003-09-30 devnull 	return 0;
154 76193d7c 2003-09-30 devnull }
155 76193d7c 2003-09-30 devnull 
156 76193d7c 2003-09-30 devnull static int
157 76193d7c 2003-09-30 devnull xerror(XDisplay *d, XErrorEvent *e)
158 76193d7c 2003-09-30 devnull {
159 76193d7c 2003-09-30 devnull 	char buf[200];
160 76193d7c 2003-09-30 devnull 
161 af78a4cd 2004-03-02 devnull 	if(e->request_code == 42) /* XSetInputFocus */
162 af78a4cd 2004-03-02 devnull 		return 0;
163 6b2d0fd9 2004-03-26 devnull 	if(e->request_code == 18) /* XChangeProperty */
164 6b2d0fd9 2004-03-26 devnull 		return 0;
165 6b2d0fd9 2004-03-26 devnull 
166 161060a4 2003-10-11 devnull 	print("X error: error_code=%d, request_code=%d, minor=%d disp=%p\n",
167 161060a4 2003-10-11 devnull 		e->error_code, e->request_code, e->minor_code, d);
168 76193d7c 2003-09-30 devnull 	XGetErrorText(d, e->error_code, buf, sizeof buf);
169 76193d7c 2003-09-30 devnull 	print("%s\n", buf);
170 76193d7c 2003-09-30 devnull 	return 0;
171 76193d7c 2003-09-30 devnull }
172 76193d7c 2003-09-30 devnull 
173 76193d7c 2003-09-30 devnull static int
174 76193d7c 2003-09-30 devnull xioerror(XDisplay *d)
175 76193d7c 2003-09-30 devnull {
176 115d4c0a 2004-05-03 devnull 	//print("X I/O error\n");
177 115d4c0a 2004-05-03 devnull 	sysfatal("X I/O error\n");
178 16a70966 2003-11-23 devnull 	abort();
179 76193d7c 2003-09-30 devnull 	return -1;
180 76193d7c 2003-09-30 devnull }
181 76193d7c 2003-09-30 devnull 
182 76193d7c 2003-09-30 devnull 
183 76193d7c 2003-09-30 devnull static Memimage*
184 76193d7c 2003-09-30 devnull xattach(char *label)
185 76193d7c 2003-09-30 devnull {
186 76193d7c 2003-09-30 devnull 	char *argv[2], *disp;
187 be36ff68 2004-04-29 devnull 	int i, n, xrootid, havemin;
188 76193d7c 2003-09-30 devnull 	Rectangle r;
189 76193d7c 2003-09-30 devnull 	XClassHint classhint;
190 76193d7c 2003-09-30 devnull 	XDrawable pmid;
191 76193d7c 2003-09-30 devnull 	XPixmapFormatValues *pfmt;
192 76193d7c 2003-09-30 devnull 	XScreen *xscreen;
193 76193d7c 2003-09-30 devnull 	XSetWindowAttributes attr;
194 76193d7c 2003-09-30 devnull 	XSizeHints normalhint;
195 76193d7c 2003-09-30 devnull 	XTextProperty name;
196 76193d7c 2003-09-30 devnull 	XVisualInfo xvi;
197 76193d7c 2003-09-30 devnull 	XWindow xrootwin;
198 ab5efca8 2003-12-02 devnull 	XWindowAttributes wattr;
199 76193d7c 2003-09-30 devnull 	XWMHints hint;
200 4f30f3b4 2004-03-30 devnull 	Atom atoms[2];
201 76193d7c 2003-09-30 devnull 
202 76193d7c 2003-09-30 devnull 	/*
203 d4853cf4 2003-10-01 devnull 	if(XInitThreads() == 0){
204 d4853cf4 2003-10-01 devnull 		fprint(2, "XInitThreads failed\n");
205 d4853cf4 2003-10-01 devnull 		abort();
206 d4853cf4 2003-10-01 devnull 	}
207 d4853cf4 2003-10-01 devnull 	*/
208 d4853cf4 2003-10-01 devnull 
209 d4853cf4 2003-10-01 devnull 	/*
210 76193d7c 2003-09-30 devnull 	 * Connect to X server.
211 76193d7c 2003-09-30 devnull 	 */
212 76193d7c 2003-09-30 devnull 	_x.display = XOpenDisplay(NULL);
213 76193d7c 2003-09-30 devnull 	if(_x.display == nil){
214 76193d7c 2003-09-30 devnull 		disp = getenv("DISPLAY");
215 76193d7c 2003-09-30 devnull 		werrstr("XOpenDisplay %s: %r", disp ? disp : ":0");
216 76193d7c 2003-09-30 devnull 		free(disp);
217 76193d7c 2003-09-30 devnull 		return nil;
218 76193d7c 2003-09-30 devnull 	}
219 76193d7c 2003-09-30 devnull 	XSetErrorHandler(xerror);
220 76193d7c 2003-09-30 devnull 	XSetIOErrorHandler(xioerror);
221 76193d7c 2003-09-30 devnull 	xrootid = DefaultScreen(_x.display);
222 76193d7c 2003-09-30 devnull 	xrootwin = DefaultRootWindow(_x.display);
223 76193d7c 2003-09-30 devnull 
224 76193d7c 2003-09-30 devnull 	/* 
225 76193d7c 2003-09-30 devnull 	 * Figure out underlying screen format.
226 76193d7c 2003-09-30 devnull 	 */
227 76193d7c 2003-09-30 devnull 	if(XMatchVisualInfo(_x.display, xrootid, 16, TrueColor, &xvi)
228 76193d7c 2003-09-30 devnull 	|| XMatchVisualInfo(_x.display, xrootid, 16, DirectColor, &xvi)){
229 76193d7c 2003-09-30 devnull 		_x.vis = xvi.visual;
230 76193d7c 2003-09-30 devnull 		_x.depth = 16;
231 76193d7c 2003-09-30 devnull 	}
232 76193d7c 2003-09-30 devnull 	else
233 161060a4 2003-10-11 devnull 	if(XMatchVisualInfo(_x.display, xrootid, 15, TrueColor, &xvi)
234 161060a4 2003-10-11 devnull 	|| XMatchVisualInfo(_x.display, xrootid, 15, DirectColor, &xvi)){
235 161060a4 2003-10-11 devnull 		_x.vis = xvi.visual;
236 161060a4 2003-10-11 devnull 		_x.depth = 15;
237 161060a4 2003-10-11 devnull 	}
238 161060a4 2003-10-11 devnull 	else
239 76193d7c 2003-09-30 devnull 	if(XMatchVisualInfo(_x.display, xrootid, 24, TrueColor, &xvi)
240 76193d7c 2003-09-30 devnull 	|| XMatchVisualInfo(_x.display, xrootid, 24, DirectColor, &xvi)){
241 76193d7c 2003-09-30 devnull 		_x.vis = xvi.visual;
242 76193d7c 2003-09-30 devnull 		_x.depth = 24;
243 76193d7c 2003-09-30 devnull 	}
244 76193d7c 2003-09-30 devnull 	else
245 76193d7c 2003-09-30 devnull 	if(XMatchVisualInfo(_x.display, xrootid, 8, PseudoColor, &xvi)
246 76193d7c 2003-09-30 devnull 	|| XMatchVisualInfo(_x.display, xrootid, 8, StaticColor, &xvi)){
247 76193d7c 2003-09-30 devnull 		if(_x.depth > 8){
248 76193d7c 2003-09-30 devnull 			werrstr("can't deal with colormapped depth %d screens",
249 76193d7c 2003-09-30 devnull 				_x.depth);
250 76193d7c 2003-09-30 devnull 			goto err0;
251 76193d7c 2003-09-30 devnull 		}
252 76193d7c 2003-09-30 devnull 		_x.vis = xvi.visual;
253 76193d7c 2003-09-30 devnull 		_x.depth = 8;
254 76193d7c 2003-09-30 devnull 	}
255 76193d7c 2003-09-30 devnull 	else{
256 8ad51794 2004-03-25 devnull 		_x.depth = DefaultDepth(_x.display, xrootid);
257 76193d7c 2003-09-30 devnull 		if(_x.depth != 8){
258 76193d7c 2003-09-30 devnull 			werrstr("can't understand depth %d screen", _x.depth);
259 76193d7c 2003-09-30 devnull 			goto err0;
260 76193d7c 2003-09-30 devnull 		}
261 76193d7c 2003-09-30 devnull 		_x.vis = DefaultVisual(_x.display, xrootid);
262 76193d7c 2003-09-30 devnull 	}
263 76193d7c 2003-09-30 devnull 
264 8ad51794 2004-03-25 devnull 	if(DefaultDepth(_x.display, xrootid) == _x.depth)
265 8ad51794 2004-03-25 devnull 		_x.usetable = 1;
266 8ad51794 2004-03-25 devnull 
267 76193d7c 2003-09-30 devnull 	/*
268 76193d7c 2003-09-30 devnull 	 * _x.depth is only the number of significant pixel bits,
269 76193d7c 2003-09-30 devnull 	 * not the total number of pixel bits.  We need to walk the
270 76193d7c 2003-09-30 devnull 	 * display list to find how many actual bits are used
271 76193d7c 2003-09-30 devnull 	 * per pixel.
272 76193d7c 2003-09-30 devnull 	 */
273 76193d7c 2003-09-30 devnull 	_x.chan = 0;
274 76193d7c 2003-09-30 devnull 	pfmt = XListPixmapFormats(_x.display, &n);
275 76193d7c 2003-09-30 devnull 	for(i=0; i<n; i++){
276 76193d7c 2003-09-30 devnull 		if(pfmt[i].depth == _x.depth){
277 76193d7c 2003-09-30 devnull 			switch(pfmt[i].bits_per_pixel){
278 76193d7c 2003-09-30 devnull 			case 1:	/* untested */
279 76193d7c 2003-09-30 devnull 				_x.chan = GREY1;
280 76193d7c 2003-09-30 devnull 				break;
281 76193d7c 2003-09-30 devnull 			case 2:	/* untested */
282 76193d7c 2003-09-30 devnull 				_x.chan = GREY2;
283 76193d7c 2003-09-30 devnull 				break;
284 76193d7c 2003-09-30 devnull 			case 4:	/* untested */
285 76193d7c 2003-09-30 devnull 				_x.chan = GREY4;
286 76193d7c 2003-09-30 devnull 				break;
287 76193d7c 2003-09-30 devnull 			case 8:
288 76193d7c 2003-09-30 devnull 				_x.chan = CMAP8;
289 161060a4 2003-10-11 devnull 				break;
290 161060a4 2003-10-11 devnull 			case 15:
291 161060a4 2003-10-11 devnull 				_x.chan = RGB15;
292 76193d7c 2003-09-30 devnull 				break;
293 76193d7c 2003-09-30 devnull 			case 16: /* how to tell RGB15? */
294 76193d7c 2003-09-30 devnull 				_x.chan = RGB16;
295 76193d7c 2003-09-30 devnull 				break;
296 76193d7c 2003-09-30 devnull 			case 24: /* untested (impossible?) */
297 76193d7c 2003-09-30 devnull 				_x.chan = RGB24;
298 76193d7c 2003-09-30 devnull 				break;
299 76193d7c 2003-09-30 devnull 			case 32:
300 76193d7c 2003-09-30 devnull 				_x.chan = XRGB32;
301 76193d7c 2003-09-30 devnull 				break;
302 76193d7c 2003-09-30 devnull 			}
303 76193d7c 2003-09-30 devnull 		}
304 76193d7c 2003-09-30 devnull 	}
305 76193d7c 2003-09-30 devnull 	if(_x.chan == 0){
306 76193d7c 2003-09-30 devnull 		werrstr("could not determine screen pixel format");
307 76193d7c 2003-09-30 devnull 		goto err0;
308 76193d7c 2003-09-30 devnull 	}
309 76193d7c 2003-09-30 devnull 
310 76193d7c 2003-09-30 devnull 	/*
311 76193d7c 2003-09-30 devnull 	 * Set up color map if necessary.
312 76193d7c 2003-09-30 devnull 	 */
313 76193d7c 2003-09-30 devnull 	xscreen = DefaultScreenOfDisplay(_x.display);
314 76193d7c 2003-09-30 devnull 	_x.cmap = DefaultColormapOfScreen(xscreen);
315 76193d7c 2003-09-30 devnull 	if(_x.vis->class != StaticColor){
316 76193d7c 2003-09-30 devnull 		plan9cmap();
317 76193d7c 2003-09-30 devnull 		setupcmap(xrootwin);
318 76193d7c 2003-09-30 devnull 	}
319 76193d7c 2003-09-30 devnull 
320 76193d7c 2003-09-30 devnull 	/*
321 76193d7c 2003-09-30 devnull 	 * We get to choose the initial rectangle size.
322 76193d7c 2003-09-30 devnull 	 * This is arbitrary.  In theory we should read the
323 76193d7c 2003-09-30 devnull 	 * command line and allow the traditional X options.
324 76193d7c 2003-09-30 devnull 	 */
325 be36ff68 2004-04-29 devnull 	if(winsize){
326 be36ff68 2004-04-29 devnull 		if(parsewinsize(winsize, &r, &havemin) < 0)
327 be36ff68 2004-04-29 devnull 			sysfatal("%r");
328 be36ff68 2004-04-29 devnull 	}else{
329 97fed159 2004-05-14 devnull 		r = Rect(0, 0, WidthOfScreen(xscreen)*2/3,
330 97fed159 2004-05-14 devnull 			HeightOfScreen(xscreen)*2/3);
331 97fed159 2004-05-14 devnull 		if(Dx(r) > Dy(r)*3/2)
332 97fed159 2004-05-14 devnull 			r.max.x = r.min.x + Dy(r)*3/2;
333 97fed159 2004-05-14 devnull 		if(Dy(r) > Dx(r)*3/2)
334 97fed159 2004-05-14 devnull 			r.max.y = r.min.y + Dx(r)*3/2;
335 be36ff68 2004-04-29 devnull 		havemin = 0;
336 be36ff68 2004-04-29 devnull 	}
337 76193d7c 2003-09-30 devnull 
338 76193d7c 2003-09-30 devnull 	memset(&attr, 0, sizeof attr);
339 76193d7c 2003-09-30 devnull 	attr.colormap = _x.cmap;
340 161060a4 2003-10-11 devnull 	attr.background_pixel = ~0;
341 76193d7c 2003-09-30 devnull 	attr.border_pixel = 0;
342 76193d7c 2003-09-30 devnull 	_x.drawable = XCreateWindow(
343 76193d7c 2003-09-30 devnull 		_x.display,	/* display */
344 76193d7c 2003-09-30 devnull 		xrootwin,	/* parent */
345 76193d7c 2003-09-30 devnull 		0,		/* x */
346 76193d7c 2003-09-30 devnull 		0,		/* y */
347 76193d7c 2003-09-30 devnull 		Dx(r),		/* width */
348 76193d7c 2003-09-30 devnull 	 	Dy(r),		/* height */
349 76193d7c 2003-09-30 devnull 		0,		/* border width */
350 8ad51794 2004-03-25 devnull 		_x.depth,	/* depth */
351 76193d7c 2003-09-30 devnull 		InputOutput,	/* class */
352 76193d7c 2003-09-30 devnull 		_x.vis,		/* visual */
353 76193d7c 2003-09-30 devnull 				/* valuemask */
354 76193d7c 2003-09-30 devnull 		CWBackPixel|CWBorderPixel|CWColormap,
355 76193d7c 2003-09-30 devnull 		&attr		/* attributes (the above aren't?!) */
356 76193d7c 2003-09-30 devnull 	);
357 ab5efca8 2003-12-02 devnull 
358 76193d7c 2003-09-30 devnull 	/*
359 76193d7c 2003-09-30 devnull 	 * Label and other properties required by ICCCCM.
360 76193d7c 2003-09-30 devnull 	 */
361 76193d7c 2003-09-30 devnull 	memset(&name, 0, sizeof name);
362 76193d7c 2003-09-30 devnull 	if(label == nil)
363 76193d7c 2003-09-30 devnull 		label = "pjw-face-here";
364 76193d7c 2003-09-30 devnull 	name.value = (uchar*)label;
365 76193d7c 2003-09-30 devnull 	name.encoding = XA_STRING;
366 76193d7c 2003-09-30 devnull 	name.format = 8;
367 be22ae2d 2004-03-26 devnull 	name.nitems = strlen((char*)name.value);
368 76193d7c 2003-09-30 devnull 
369 76193d7c 2003-09-30 devnull 	memset(&normalhint, 0, sizeof normalhint);
370 be36ff68 2004-04-29 devnull 	normalhint.flags = PSize|PMaxSize;
371 be36ff68 2004-04-29 devnull 	if(winsize){
372 be36ff68 2004-04-29 devnull 		normalhint.flags &= ~PSize;
373 be36ff68 2004-04-29 devnull 		normalhint.flags |= USSize;
374 be36ff68 2004-04-29 devnull 		normalhint.width = Dx(r);
375 be36ff68 2004-04-29 devnull 		normalhint.height = Dy(r);
376 be36ff68 2004-04-29 devnull 	}
377 be36ff68 2004-04-29 devnull 
378 76193d7c 2003-09-30 devnull 	normalhint.max_width = WidthOfScreen(xscreen);
379 76193d7c 2003-09-30 devnull 	normalhint.max_height = HeightOfScreen(xscreen);
380 76193d7c 2003-09-30 devnull 
381 76193d7c 2003-09-30 devnull 	memset(&hint, 0, sizeof hint);
382 76193d7c 2003-09-30 devnull 	hint.flags = InputHint|StateHint;
383 76193d7c 2003-09-30 devnull 	hint.input = 1;
384 76193d7c 2003-09-30 devnull 	hint.initial_state = NormalState;
385 76193d7c 2003-09-30 devnull 
386 76193d7c 2003-09-30 devnull 	memset(&classhint, 0, sizeof classhint);
387 76193d7c 2003-09-30 devnull 	classhint.res_name = label;
388 76193d7c 2003-09-30 devnull 	classhint.res_class = label;
389 76193d7c 2003-09-30 devnull 
390 76193d7c 2003-09-30 devnull 	argv[0] = label;
391 76193d7c 2003-09-30 devnull 	argv[1] = nil;
392 76193d7c 2003-09-30 devnull 
393 76193d7c 2003-09-30 devnull 	XSetWMProperties(
394 76193d7c 2003-09-30 devnull 		_x.display,	/* display */
395 76193d7c 2003-09-30 devnull 		_x.drawable,	/* window */
396 76193d7c 2003-09-30 devnull 		&name,		/* XA_WM_NAME property */
397 76193d7c 2003-09-30 devnull 		&name,		/* XA_WM_ICON_NAME property */
398 76193d7c 2003-09-30 devnull 		argv,		/* XA_WM_COMMAND */
399 76193d7c 2003-09-30 devnull 		1,		/* argc */
400 76193d7c 2003-09-30 devnull 		&normalhint,	/* XA_WM_NORMAL_HINTS */
401 76193d7c 2003-09-30 devnull 		&hint,		/* XA_WM_HINTS */
402 76193d7c 2003-09-30 devnull 		&classhint	/* XA_WM_CLASSHINTS */
403 76193d7c 2003-09-30 devnull 	);
404 76193d7c 2003-09-30 devnull 	XFlush(_x.display);
405 be36ff68 2004-04-29 devnull 
406 be36ff68 2004-04-29 devnull 	if(havemin){
407 be36ff68 2004-04-29 devnull 		XWindowChanges ch;
408 4f30f3b4 2004-03-30 devnull 
409 be36ff68 2004-04-29 devnull 		memset(&ch, 0, sizeof ch);
410 be36ff68 2004-04-29 devnull 		ch.x = r.min.x;
411 be36ff68 2004-04-29 devnull 		ch.y = r.min.y;
412 be36ff68 2004-04-29 devnull 		XConfigureWindow(_x.display, _x.drawable, CWX|CWY, &ch);
413 be36ff68 2004-04-29 devnull fprint(2, "havemin %d %d\n", r.min.x, r.min.y);
414 be36ff68 2004-04-29 devnull 	}
415 4f30f3b4 2004-03-30 devnull 	/*
416 4f30f3b4 2004-03-30 devnull 	 * Look up clipboard atom.
417 4f30f3b4 2004-03-30 devnull 	 */
418 4f30f3b4 2004-03-30 devnull 	_x.clipboard = XInternAtom(_x.display, "CLIPBOARD", False);
419 4f30f3b4 2004-03-30 devnull 	_x.utf8string = XInternAtom(_x.display, "UTF8_STRING", False);
420 4f30f3b4 2004-03-30 devnull 	_x.targets = XInternAtom(_x.display, "TARGETS", False);
421 4f30f3b4 2004-03-30 devnull 	_x.text = XInternAtom(_x.display, "TEXT", False);
422 4f30f3b4 2004-03-30 devnull 	_x.compoundtext = XInternAtom(_x.display, "COMPOUND_TEXT", False);
423 4f30f3b4 2004-03-30 devnull 	_x.takefocus = XInternAtom(_x.display, "WM_TAKE_FOCUS", False);
424 4f30f3b4 2004-03-30 devnull 	_x.losefocus = XInternAtom(_x.display, "_9WM_LOSE_FOCUS", False);
425 4f30f3b4 2004-03-30 devnull 	_x.wmprotos = XInternAtom(_x.display, "WM_PROTOCOLS", False);
426 4f30f3b4 2004-03-30 devnull 
427 4f30f3b4 2004-03-30 devnull 	atoms[0] = _x.takefocus;
428 4f30f3b4 2004-03-30 devnull 	atoms[1] = _x.losefocus;
429 4f30f3b4 2004-03-30 devnull 	XChangeProperty(_x.display, _x.drawable, _x.wmprotos, XA_ATOM, 32,
430 4f30f3b4 2004-03-30 devnull 		PropModeReplace, (uchar*)atoms, 2);
431 4f30f3b4 2004-03-30 devnull 
432 4f30f3b4 2004-03-30 devnull 	/*
433 4f30f3b4 2004-03-30 devnull 	 * Put the window on the screen, check to see what size we actually got.
434 4f30f3b4 2004-03-30 devnull 	 */
435 4f30f3b4 2004-03-30 devnull 	XMapWindow(_x.display, _x.drawable);
436 4f30f3b4 2004-03-30 devnull 	XSync(_x.display, False);
437 76193d7c 2003-09-30 devnull 
438 4f30f3b4 2004-03-30 devnull 	if(!XGetWindowAttributes(_x.display, _x.drawable, &wattr))
439 4f30f3b4 2004-03-30 devnull 		fprint(2, "XGetWindowAttributes failed\n");
440 4f30f3b4 2004-03-30 devnull 	else if(wattr.width && wattr.height){
441 4f30f3b4 2004-03-30 devnull 		if(wattr.width != Dx(r) || wattr.height != Dy(r)){
442 4f30f3b4 2004-03-30 devnull 			r.max.x = wattr.width;
443 4f30f3b4 2004-03-30 devnull 			r.max.y = wattr.height;
444 4f30f3b4 2004-03-30 devnull 		}
445 4f30f3b4 2004-03-30 devnull 	}else
446 1ed1c638 2004-03-31 devnull 		fprint(2, "XGetWindowAttributes: bad attrs\n");
447 4f30f3b4 2004-03-30 devnull 
448 76193d7c 2003-09-30 devnull 	/*
449 76193d7c 2003-09-30 devnull 	 * Allocate our local backing store.
450 76193d7c 2003-09-30 devnull 	 */
451 76193d7c 2003-09-30 devnull 	_x.screenr = r;
452 76193d7c 2003-09-30 devnull 	_x.screenpm = XCreatePixmap(_x.display, _x.drawable, Dx(r), Dy(r), _x.depth);
453 161060a4 2003-10-11 devnull 	_x.nextscreenpm = _x.screenpm;
454 32f69c36 2003-12-11 devnull 	_x.screenimage = _xallocmemimage(r, _x.chan, _x.screenpm);
455 76193d7c 2003-09-30 devnull 
456 76193d7c 2003-09-30 devnull 	/*
457 76193d7c 2003-09-30 devnull 	 * Allocate some useful graphics contexts for the future.
458 76193d7c 2003-09-30 devnull 	 */
459 76193d7c 2003-09-30 devnull 	_x.gcfill	= xgc(_x.screenpm, FillSolid, -1);
460 76193d7c 2003-09-30 devnull 	_x.gccopy	= xgc(_x.screenpm, -1, -1);
461 76193d7c 2003-09-30 devnull 	_x.gcsimplesrc 	= xgc(_x.screenpm, FillStippled, -1);
462 76193d7c 2003-09-30 devnull 	_x.gczero	= xgc(_x.screenpm, -1, -1);
463 76193d7c 2003-09-30 devnull 	_x.gcreplsrc	= xgc(_x.screenpm, FillTiled, -1);
464 76193d7c 2003-09-30 devnull 
465 76193d7c 2003-09-30 devnull 	pmid = XCreatePixmap(_x.display, _x.drawable, 1, 1, 1);
466 76193d7c 2003-09-30 devnull 	_x.gcfill0	= xgc(pmid, FillSolid, 0);
467 76193d7c 2003-09-30 devnull 	_x.gccopy0	= xgc(pmid, -1, -1);
468 76193d7c 2003-09-30 devnull 	_x.gcsimplesrc0	= xgc(pmid, FillStippled, -1);
469 76193d7c 2003-09-30 devnull 	_x.gczero0	= xgc(pmid, -1, -1);
470 76193d7c 2003-09-30 devnull 	_x.gcreplsrc0	= xgc(pmid, FillTiled, -1);
471 76193d7c 2003-09-30 devnull 	XFreePixmap(_x.display, pmid);
472 76193d7c 2003-09-30 devnull 
473 76193d7c 2003-09-30 devnull 	/*
474 161060a4 2003-10-11 devnull 	 * Lots of display connections for various procs.
475 76193d7c 2003-09-30 devnull 	 */
476 76193d7c 2003-09-30 devnull 	_x.kbdcon	= XOpenDisplay(NULL);
477 76193d7c 2003-09-30 devnull 	_x.mousecon	= XOpenDisplay(NULL);
478 76193d7c 2003-09-30 devnull 	_x.snarfcon	= XOpenDisplay(NULL);
479 76193d7c 2003-09-30 devnull 
480 161060a4 2003-10-11 devnull 	if(0) fprint(2, "x: display=%p kbd=%p mouse=%p snarf=%p\n",
481 161060a4 2003-10-11 devnull 		_x.display, _x.kbdcon, _x.mousecon, _x.snarfcon);
482 161060a4 2003-10-11 devnull 
483 76193d7c 2003-09-30 devnull 	_x.black	= xscreen->black_pixel;
484 76193d7c 2003-09-30 devnull 	_x.white	= xscreen->white_pixel;
485 76193d7c 2003-09-30 devnull 
486 76193d7c 2003-09-30 devnull 	return _x.screenimage;
487 76193d7c 2003-09-30 devnull 
488 76193d7c 2003-09-30 devnull err0:
489 161060a4 2003-10-11 devnull fprint(2, "%r\n");
490 76193d7c 2003-09-30 devnull 	/*
491 76193d7c 2003-09-30 devnull 	 * Should do a better job of cleaning up here.
492 76193d7c 2003-09-30 devnull 	 */
493 76193d7c 2003-09-30 devnull 	XCloseDisplay(_x.display);
494 76193d7c 2003-09-30 devnull 	return nil;
495 16a70966 2003-11-23 devnull }
496 16a70966 2003-11-23 devnull 
497 16a70966 2003-11-23 devnull int
498 16a70966 2003-11-23 devnull drawsetlabel(Display *d, char *label)
499 16a70966 2003-11-23 devnull {
500 16a70966 2003-11-23 devnull 	char *argv[2];
501 16a70966 2003-11-23 devnull 	XClassHint classhint;
502 16a70966 2003-11-23 devnull 	XTextProperty name;
503 16a70966 2003-11-23 devnull 
504 16a70966 2003-11-23 devnull 	/*
505 16a70966 2003-11-23 devnull 	 * Label and other properties required by ICCCCM.
506 16a70966 2003-11-23 devnull 	 */
507 16a70966 2003-11-23 devnull 	memset(&name, 0, sizeof name);
508 16a70966 2003-11-23 devnull 	if(label == nil)
509 16a70966 2003-11-23 devnull 		label = "pjw-face-here";
510 16a70966 2003-11-23 devnull 	name.value = (uchar*)label;
511 16a70966 2003-11-23 devnull 	name.encoding = XA_STRING;
512 16a70966 2003-11-23 devnull 	name.format = 8;
513 be22ae2d 2004-03-26 devnull 	name.nitems = strlen((char*)name.value);
514 16a70966 2003-11-23 devnull 
515 16a70966 2003-11-23 devnull 	memset(&classhint, 0, sizeof classhint);
516 16a70966 2003-11-23 devnull 	classhint.res_name = label;
517 16a70966 2003-11-23 devnull 	classhint.res_class = label;
518 16a70966 2003-11-23 devnull 
519 16a70966 2003-11-23 devnull 	argv[0] = label;
520 16a70966 2003-11-23 devnull 	argv[1] = nil;
521 16a70966 2003-11-23 devnull 
522 16a70966 2003-11-23 devnull 	XSetWMProperties(
523 16a70966 2003-11-23 devnull 		_x.display,	/* display */
524 16a70966 2003-11-23 devnull 		_x.drawable,	/* window */
525 16a70966 2003-11-23 devnull 		&name,		/* XA_WM_NAME property */
526 16a70966 2003-11-23 devnull 		&name,		/* XA_WM_ICON_NAME property */
527 16a70966 2003-11-23 devnull 		argv,		/* XA_WM_COMMAND */
528 16a70966 2003-11-23 devnull 		1,		/* argc */
529 16a70966 2003-11-23 devnull 		nil,		/* XA_WM_NORMAL_HINTS */
530 16a70966 2003-11-23 devnull 		nil,		/* XA_WM_HINTS */
531 16a70966 2003-11-23 devnull 		&classhint	/* XA_WM_CLASSHINTS */
532 16a70966 2003-11-23 devnull 	);
533 16a70966 2003-11-23 devnull 	XFlush(_x.display);
534 16a70966 2003-11-23 devnull 	return 0;
535 76193d7c 2003-09-30 devnull }
536 76193d7c 2003-09-30 devnull 
537 76193d7c 2003-09-30 devnull /*
538 76193d7c 2003-09-30 devnull  * Create a GC with a particular fill style and XXX.
539 76193d7c 2003-09-30 devnull  * Disable generation of GraphicsExpose/NoExpose events in the GC.
540 76193d7c 2003-09-30 devnull  */
541 76193d7c 2003-09-30 devnull static XGC
542 76193d7c 2003-09-30 devnull xgc(XDrawable d, int fillstyle, int foreground)
543 76193d7c 2003-09-30 devnull {
544 76193d7c 2003-09-30 devnull 	XGC gc;
545 76193d7c 2003-09-30 devnull 	XGCValues v;
546 76193d7c 2003-09-30 devnull 
547 76193d7c 2003-09-30 devnull 	memset(&v, 0, sizeof v);
548 76193d7c 2003-09-30 devnull 	v.function = GXcopy;
549 76193d7c 2003-09-30 devnull 	v.graphics_exposures = False;
550 76193d7c 2003-09-30 devnull 	gc = XCreateGC(_x.display, d, GCFunction|GCGraphicsExposures, &v);
551 76193d7c 2003-09-30 devnull 	if(fillstyle != -1)
552 76193d7c 2003-09-30 devnull 		XSetFillStyle(_x.display, gc, fillstyle);
553 76193d7c 2003-09-30 devnull 	if(foreground != -1)
554 76193d7c 2003-09-30 devnull 		XSetForeground(_x.display, gc, 0);
555 76193d7c 2003-09-30 devnull 	return gc;
556 76193d7c 2003-09-30 devnull }
557 76193d7c 2003-09-30 devnull 
558 76193d7c 2003-09-30 devnull 
559 76193d7c 2003-09-30 devnull /*
560 76193d7c 2003-09-30 devnull  * Initialize map with the Plan 9 rgbv color map.
561 76193d7c 2003-09-30 devnull  */
562 76193d7c 2003-09-30 devnull static void
563 76193d7c 2003-09-30 devnull plan9cmap(void)
564 76193d7c 2003-09-30 devnull {
565 76193d7c 2003-09-30 devnull 	int r, g, b, cr, cg, cb, v, num, den, idx, v7, idx7;
566 76193d7c 2003-09-30 devnull 	static int once;
567 76193d7c 2003-09-30 devnull 
568 76193d7c 2003-09-30 devnull 	if(once)
569 76193d7c 2003-09-30 devnull 		return;
570 76193d7c 2003-09-30 devnull 	once = 1;
571 76193d7c 2003-09-30 devnull 
572 76193d7c 2003-09-30 devnull 	for(r=0; r!=4; r++)
573 76193d7c 2003-09-30 devnull 	for(g = 0; g != 4; g++)
574 76193d7c 2003-09-30 devnull 	for(b = 0; b!=4; b++)
575 76193d7c 2003-09-30 devnull 	for(v = 0; v!=4; v++){
576 76193d7c 2003-09-30 devnull 		den=r;
577 76193d7c 2003-09-30 devnull 		if(g > den)
578 76193d7c 2003-09-30 devnull 			den=g;
579 76193d7c 2003-09-30 devnull 		if(b > den)
580 76193d7c 2003-09-30 devnull 			den=b;
581 76193d7c 2003-09-30 devnull 		/* divide check -- pick grey shades */
582 76193d7c 2003-09-30 devnull 		if(den==0)
583 76193d7c 2003-09-30 devnull 			cr=cg=cb=v*17;
584 76193d7c 2003-09-30 devnull 		else {
585 76193d7c 2003-09-30 devnull 			num=17*(4*den+v);
586 76193d7c 2003-09-30 devnull 			cr=r*num/den;
587 76193d7c 2003-09-30 devnull 			cg=g*num/den;
588 76193d7c 2003-09-30 devnull 			cb=b*num/den;
589 76193d7c 2003-09-30 devnull 		}
590 76193d7c 2003-09-30 devnull 		idx = r*64 + v*16 + ((g*4 + b + v - r) & 15);
591 76193d7c 2003-09-30 devnull 		_x.map[idx].red = cr*0x0101;
592 76193d7c 2003-09-30 devnull 		_x.map[idx].green = cg*0x0101;
593 76193d7c 2003-09-30 devnull 		_x.map[idx].blue = cb*0x0101;
594 76193d7c 2003-09-30 devnull 		_x.map[idx].pixel = idx;
595 76193d7c 2003-09-30 devnull 		_x.map[idx].flags = DoRed|DoGreen|DoBlue;
596 76193d7c 2003-09-30 devnull 
597 76193d7c 2003-09-30 devnull 		v7 = v >> 1;
598 76193d7c 2003-09-30 devnull 		idx7 = r*32 + v7*16 + g*4 + b;
599 76193d7c 2003-09-30 devnull 		if((v & 1) == v7){
600 76193d7c 2003-09-30 devnull 			_x.map7to8[idx7][0] = idx;
601 76193d7c 2003-09-30 devnull 			if(den == 0) { 		/* divide check -- pick grey shades */
602 76193d7c 2003-09-30 devnull 				cr = ((255.0/7.0)*v7)+0.5;
603 76193d7c 2003-09-30 devnull 				cg = cr;
604 76193d7c 2003-09-30 devnull 				cb = cr;
605 76193d7c 2003-09-30 devnull 			}
606 76193d7c 2003-09-30 devnull 			else {
607 76193d7c 2003-09-30 devnull 				num=17*15*(4*den+v7*2)/14;
608 76193d7c 2003-09-30 devnull 				cr=r*num/den;
609 76193d7c 2003-09-30 devnull 				cg=g*num/den;
610 76193d7c 2003-09-30 devnull 				cb=b*num/den;
611 76193d7c 2003-09-30 devnull 			}
612 76193d7c 2003-09-30 devnull 			_x.map7[idx7].red = cr*0x0101;
613 76193d7c 2003-09-30 devnull 			_x.map7[idx7].green = cg*0x0101;
614 76193d7c 2003-09-30 devnull 			_x.map7[idx7].blue = cb*0x0101;
615 76193d7c 2003-09-30 devnull 			_x.map7[idx7].pixel = idx7;
616 76193d7c 2003-09-30 devnull 			_x.map7[idx7].flags = DoRed|DoGreen|DoBlue;
617 76193d7c 2003-09-30 devnull 		}
618 76193d7c 2003-09-30 devnull 		else
619 76193d7c 2003-09-30 devnull 			_x.map7to8[idx7][1] = idx;
620 76193d7c 2003-09-30 devnull 	}
621 76193d7c 2003-09-30 devnull }
622 76193d7c 2003-09-30 devnull 
623 76193d7c 2003-09-30 devnull /*
624 76193d7c 2003-09-30 devnull  * Initialize and install the rgbv color map as a private color map
625 76193d7c 2003-09-30 devnull  * for this application.  It gets the best colors when it has the
626 76193d7c 2003-09-30 devnull  * cursor focus.
627 fff395d7 2004-03-26 devnull  *
628 fff395d7 2004-03-26 devnull  * We always choose the best depth possible, but that might not
629 fff395d7 2004-03-26 devnull  * be the default depth.  On such "suboptimal" systems, we have to allocate an
630 fff395d7 2004-03-26 devnull  * empty color map anyway, according to Axel Belinfante.
631 76193d7c 2003-09-30 devnull  */
632 76193d7c 2003-09-30 devnull static int 
633 76193d7c 2003-09-30 devnull setupcmap(XWindow w)
634 76193d7c 2003-09-30 devnull {
635 76193d7c 2003-09-30 devnull 	char buf[30];
636 76193d7c 2003-09-30 devnull 	int i;
637 76193d7c 2003-09-30 devnull 	u32int p, pp;
638 76193d7c 2003-09-30 devnull 	XColor c;
639 76193d7c 2003-09-30 devnull 
640 76193d7c 2003-09-30 devnull 	if(_x.depth <= 1)
641 76193d7c 2003-09-30 devnull 		return 0;
642 76193d7c 2003-09-30 devnull 
643 76193d7c 2003-09-30 devnull 	if(_x.depth >= 24) {
644 fff395d7 2004-03-26 devnull 		if(_x.usetable == 0)
645 fff395d7 2004-03-26 devnull 			_x.cmap = XCreateColormap(_x.display, w, _x.vis, AllocNone); 
646 8ad51794 2004-03-25 devnull 
647 8ad51794 2004-03-25 devnull 		/*
648 76193d7c 2003-09-30 devnull 		 * The pixel value returned from XGetPixel needs to
649 76193d7c 2003-09-30 devnull 		 * be converted to RGB so we can call rgb2cmap()
650 76193d7c 2003-09-30 devnull 		 * to translate between 24 bit X and our color. Unfortunately,
651 76193d7c 2003-09-30 devnull 		 * the return value appears to be display server endian 
652 76193d7c 2003-09-30 devnull 		 * dependant. Therefore, we run some heuristics to later
653 76193d7c 2003-09-30 devnull 		 * determine how to mask the int value correctly.
654 76193d7c 2003-09-30 devnull 		 * Yeah, I know we can look at _x.vis->byte_order but 
655 76193d7c 2003-09-30 devnull 		 * some displays say MSB even though they run on LSB.
656 76193d7c 2003-09-30 devnull 		 * Besides, this is more anal.
657 76193d7c 2003-09-30 devnull 		 */
658 76193d7c 2003-09-30 devnull 		c = _x.map[19];	/* known to have different R, G, B values */
659 76193d7c 2003-09-30 devnull 		if(!XAllocColor(_x.display, _x.cmap, &c)){
660 76193d7c 2003-09-30 devnull 			werrstr("XAllocColor: %r");
661 76193d7c 2003-09-30 devnull 			return -1;
662 76193d7c 2003-09-30 devnull 		}
663 76193d7c 2003-09-30 devnull 		p  = c.pixel;
664 76193d7c 2003-09-30 devnull 		pp = rgb2cmap((p>>16)&0xff,(p>>8)&0xff,p&0xff);
665 76193d7c 2003-09-30 devnull 		if(pp != _x.map[19].pixel) {
666 76193d7c 2003-09-30 devnull 			/* check if endian is other way */
667 76193d7c 2003-09-30 devnull 			pp = rgb2cmap(p&0xff,(p>>8)&0xff,(p>>16)&0xff);
668 76193d7c 2003-09-30 devnull 			if(pp != _x.map[19].pixel){
669 76193d7c 2003-09-30 devnull 				werrstr("cannot detect X server byte order");
670 76193d7c 2003-09-30 devnull 				return -1;
671 76193d7c 2003-09-30 devnull 			}
672 76193d7c 2003-09-30 devnull 
673 76193d7c 2003-09-30 devnull 			switch(_x.chan){
674 76193d7c 2003-09-30 devnull 			case RGB24:
675 76193d7c 2003-09-30 devnull 				_x.chan = BGR24;
676 76193d7c 2003-09-30 devnull 				break;
677 76193d7c 2003-09-30 devnull 			case XRGB32:
678 76193d7c 2003-09-30 devnull 				_x.chan = XBGR32;
679 76193d7c 2003-09-30 devnull 				break;
680 76193d7c 2003-09-30 devnull 			default:
681 76193d7c 2003-09-30 devnull 				werrstr("cannot byteswap channel %s",
682 76193d7c 2003-09-30 devnull 					chantostr(buf, _x.chan));
683 76193d7c 2003-09-30 devnull 				break;
684 76193d7c 2003-09-30 devnull 			}
685 76193d7c 2003-09-30 devnull 		}
686 76193d7c 2003-09-30 devnull 	}else if(_x.vis->class == TrueColor || _x.vis->class == DirectColor){
687 76193d7c 2003-09-30 devnull 		/*
688 76193d7c 2003-09-30 devnull 		 * Do nothing.  We have no way to express a
689 76193d7c 2003-09-30 devnull 		 * mixed-endian 16-bit screen, so pretend they don't exist.
690 76193d7c 2003-09-30 devnull 		 */
691 fff395d7 2004-03-26 devnull 		if(_x.usetable == 0)
692 fff395d7 2004-03-26 devnull 			_x.cmap = XCreateColormap(_x.display, w, _x.vis, AllocNone);
693 76193d7c 2003-09-30 devnull 	}else if(_x.vis->class == PseudoColor){
694 76193d7c 2003-09-30 devnull 		if(_x.usetable == 0){
695 76193d7c 2003-09-30 devnull 			_x.cmap = XCreateColormap(_x.display, w, _x.vis, AllocAll); 
696 76193d7c 2003-09-30 devnull 			XStoreColors(_x.display, _x.cmap, _x.map, 256);
697 76193d7c 2003-09-30 devnull 			for(i = 0; i < 256; i++){
698 76193d7c 2003-09-30 devnull 				_x.tox11[i] = i;
699 76193d7c 2003-09-30 devnull 				_x.toplan9[i] = i;
700 76193d7c 2003-09-30 devnull 			}
701 76193d7c 2003-09-30 devnull 		}else{
702 76193d7c 2003-09-30 devnull 			for(i = 0; i < 128; i++){
703 76193d7c 2003-09-30 devnull 				c = _x.map7[i];
704 76193d7c 2003-09-30 devnull 				if(!XAllocColor(_x.display, _x.cmap, &c)){
705 76193d7c 2003-09-30 devnull 					werrstr("can't allocate colors in 7-bit map");
706 76193d7c 2003-09-30 devnull 					return -1;
707 76193d7c 2003-09-30 devnull 				}
708 76193d7c 2003-09-30 devnull 				_x.tox11[_x.map7to8[i][0]] = c.pixel;
709 76193d7c 2003-09-30 devnull 				_x.tox11[_x.map7to8[i][1]] = c.pixel;
710 76193d7c 2003-09-30 devnull 				_x.toplan9[c.pixel] = _x.map7to8[i][0];
711 76193d7c 2003-09-30 devnull 			}
712 76193d7c 2003-09-30 devnull 		}
713 76193d7c 2003-09-30 devnull 	}else{
714 76193d7c 2003-09-30 devnull 		werrstr("unsupported visual class %d", _x.vis->class);
715 76193d7c 2003-09-30 devnull 		return -1;
716 76193d7c 2003-09-30 devnull 	}
717 76193d7c 2003-09-30 devnull 	return 0;
718 76193d7c 2003-09-30 devnull }
719 76193d7c 2003-09-30 devnull 
720 76193d7c 2003-09-30 devnull void
721 76193d7c 2003-09-30 devnull flushmemscreen(Rectangle r)
722 76193d7c 2003-09-30 devnull {
723 161060a4 2003-10-11 devnull 	if(_x.nextscreenpm != _x.screenpm){
724 161060a4 2003-10-11 devnull 		qlock(&_x.screenlock);
725 161060a4 2003-10-11 devnull 		XSync(_x.display, False);
726 161060a4 2003-10-11 devnull 		XFreePixmap(_x.display, _x.screenpm);
727 161060a4 2003-10-11 devnull 		_x.screenpm = _x.nextscreenpm;
728 161060a4 2003-10-11 devnull 		qunlock(&_x.screenlock);
729 161060a4 2003-10-11 devnull 	}
730 161060a4 2003-10-11 devnull 
731 76193d7c 2003-09-30 devnull 	if(r.min.x >= r.max.x || r.min.y >= r.max.y)
732 76193d7c 2003-09-30 devnull 		return;
733 76193d7c 2003-09-30 devnull 	XCopyArea(_x.display, _x.screenpm, _x.drawable, _x.gccopy, r.min.x, r.min.y,
734 76193d7c 2003-09-30 devnull 		Dx(r), Dy(r), r.min.x, r.min.y);
735 76193d7c 2003-09-30 devnull 	XFlush(_x.display);
736 76193d7c 2003-09-30 devnull }
737 76193d7c 2003-09-30 devnull 
738 76193d7c 2003-09-30 devnull void
739 32f69c36 2003-12-11 devnull _xexpose(XEvent *e, XDisplay *xd)
740 76193d7c 2003-09-30 devnull {
741 76193d7c 2003-09-30 devnull 	XExposeEvent *xe;
742 76193d7c 2003-09-30 devnull 	Rectangle r;
743 76193d7c 2003-09-30 devnull 
744 161060a4 2003-10-11 devnull 	qlock(&_x.screenlock);
745 161060a4 2003-10-11 devnull 	if(_x.screenpm != _x.nextscreenpm){
746 161060a4 2003-10-11 devnull 		qunlock(&_x.screenlock);
747 161060a4 2003-10-11 devnull 		return;
748 161060a4 2003-10-11 devnull 	}
749 76193d7c 2003-09-30 devnull 	xe = (XExposeEvent*)e;
750 76193d7c 2003-09-30 devnull 	r.min.x = xe->x;
751 76193d7c 2003-09-30 devnull 	r.min.y = xe->y;
752 76193d7c 2003-09-30 devnull 	r.max.x = xe->x+xe->width;
753 76193d7c 2003-09-30 devnull 	r.max.y = xe->y+xe->height;
754 76193d7c 2003-09-30 devnull 	XCopyArea(xd, _x.screenpm, _x.drawable, _x.gccopy, r.min.x, r.min.y,
755 76193d7c 2003-09-30 devnull 		Dx(r), Dy(r), r.min.x, r.min.y);
756 161060a4 2003-10-11 devnull 	XSync(xd, False);
757 161060a4 2003-10-11 devnull 	qunlock(&_x.screenlock);
758 16a70966 2003-11-23 devnull }
759 16a70966 2003-11-23 devnull 
760 16a70966 2003-11-23 devnull int
761 32f69c36 2003-12-11 devnull _xdestroy(XEvent *e, XDisplay *xd)
762 16a70966 2003-11-23 devnull {
763 16a70966 2003-11-23 devnull 	XDestroyWindowEvent *xe;
764 16a70966 2003-11-23 devnull 
765 16a70966 2003-11-23 devnull 	xe = (XDestroyWindowEvent*)e;
766 16a70966 2003-11-23 devnull 	if(xe->window == _x.drawable){
767 16a70966 2003-11-23 devnull 		_x.destroyed = 1;
768 16a70966 2003-11-23 devnull 		return 1;
769 16a70966 2003-11-23 devnull 	}
770 16a70966 2003-11-23 devnull 	return 0;
771 76193d7c 2003-09-30 devnull }
772 76193d7c 2003-09-30 devnull 
773 76193d7c 2003-09-30 devnull int
774 32f69c36 2003-12-11 devnull _xconfigure(XEvent *e, XDisplay *xd)
775 76193d7c 2003-09-30 devnull {
776 161060a4 2003-10-11 devnull 	Rectangle r;
777 76193d7c 2003-09-30 devnull 	XConfigureEvent *xe = (XConfigureEvent*)e;
778 76193d7c 2003-09-30 devnull 
779 76193d7c 2003-09-30 devnull 	if(xe->width == Dx(_x.screenr) && xe->height == Dy(_x.screenr))
780 76193d7c 2003-09-30 devnull 		return 0;
781 161060a4 2003-10-11 devnull 	if(xe->width==0 || xe->height==0)
782 161060a4 2003-10-11 devnull 		fprint(2, "ignoring resize to %dx%d\n", xe->width, xe->height);
783 161060a4 2003-10-11 devnull 	r = Rect(0, 0, xe->width, xe->height);
784 161060a4 2003-10-11 devnull 	qlock(&_x.screenlock);
785 161060a4 2003-10-11 devnull 	if(_x.screenpm != _x.nextscreenpm){
786 161060a4 2003-10-11 devnull 		XCopyArea(xd, _x.screenpm, _x.drawable, _x.gccopy, r.min.x, r.min.y,
787 161060a4 2003-10-11 devnull 			Dx(r), Dy(r), r.min.x, r.min.y);
788 161060a4 2003-10-11 devnull 		XSync(xd, False);
789 161060a4 2003-10-11 devnull 	}
790 161060a4 2003-10-11 devnull 	qunlock(&_x.screenlock);
791 161060a4 2003-10-11 devnull 	_x.newscreenr = r;
792 d4853cf4 2003-10-01 devnull 	return 1;
793 d4853cf4 2003-10-01 devnull }
794 d4853cf4 2003-10-01 devnull 
795 d4853cf4 2003-10-01 devnull static int
796 d4853cf4 2003-10-01 devnull xreplacescreenimage(void)
797 d4853cf4 2003-10-01 devnull {
798 d4853cf4 2003-10-01 devnull 	Memimage *m;
799 d4853cf4 2003-10-01 devnull 	XDrawable pixmap;
800 d4853cf4 2003-10-01 devnull 	Rectangle r;
801 d4853cf4 2003-10-01 devnull 
802 d4853cf4 2003-10-01 devnull 	r = _x.newscreenr;
803 d4853cf4 2003-10-01 devnull 	if(eqrect(_x.screenr, r))
804 d4853cf4 2003-10-01 devnull 		return 0;
805 d4853cf4 2003-10-01 devnull 
806 d4853cf4 2003-10-01 devnull 	pixmap = XCreatePixmap(_x.display, _x.drawable, Dx(r), Dy(r), _x.depth);
807 32f69c36 2003-12-11 devnull 	m = _xallocmemimage(r, _x.chan, pixmap);
808 161060a4 2003-10-11 devnull 	if(_x.nextscreenpm != _x.screenpm)
809 161060a4 2003-10-11 devnull 		XFreePixmap(_x.display, _x.nextscreenpm);
810 161060a4 2003-10-11 devnull 	_x.nextscreenpm = pixmap;
811 d4853cf4 2003-10-01 devnull 	_x.screenr = r;
812 76193d7c 2003-09-30 devnull 	_drawreplacescreenimage(m);
813 76193d7c 2003-09-30 devnull 	return 1;
814 76193d7c 2003-09-30 devnull }
815 76193d7c 2003-09-30 devnull 
816 be36ff68 2004-04-29 devnull static int
817 be36ff68 2004-04-29 devnull parsewinsize(char *s, Rectangle *r, int *havemin)
818 be36ff68 2004-04-29 devnull {
819 be36ff68 2004-04-29 devnull 	char c, *os;
820 be36ff68 2004-04-29 devnull 	int i, j, k, l;
821 be36ff68 2004-04-29 devnull 
822 be36ff68 2004-04-29 devnull 	os = s;
823 be36ff68 2004-04-29 devnull 	*havemin = 0;
824 be36ff68 2004-04-29 devnull 	*r = Rect(0,0,0,0);
825 be36ff68 2004-04-29 devnull 	if(!isdigit(*s))
826 be36ff68 2004-04-29 devnull 		goto oops;
827 be36ff68 2004-04-29 devnull 	i = strtol(s, &s, 0);
828 be36ff68 2004-04-29 devnull 	if(*s == 'x'){
829 be36ff68 2004-04-29 devnull 		s++;
830 be36ff68 2004-04-29 devnull 		if(!isdigit(*s))
831 be36ff68 2004-04-29 devnull 			goto oops;
832 be36ff68 2004-04-29 devnull 		j = strtol(s, &s, 0);
833 be36ff68 2004-04-29 devnull 		r->max.x = i;
834 be36ff68 2004-04-29 devnull 		r->max.y = j;
835 be36ff68 2004-04-29 devnull 		if(*s == 0)
836 be36ff68 2004-04-29 devnull 			return 0;
837 be36ff68 2004-04-29 devnull 		if(*s != '@')
838 be36ff68 2004-04-29 devnull 			goto oops;
839 be36ff68 2004-04-29 devnull 
840 be36ff68 2004-04-29 devnull 		s++;
841 be36ff68 2004-04-29 devnull 		if(!isdigit(*s))
842 be36ff68 2004-04-29 devnull 			goto oops;
843 be36ff68 2004-04-29 devnull 		i = strtol(s, &s, 0);
844 be36ff68 2004-04-29 devnull 		if(*s != ',' && *s != ' ')
845 be36ff68 2004-04-29 devnull 			goto oops;
846 be36ff68 2004-04-29 devnull 		s++;
847 be36ff68 2004-04-29 devnull 		if(!isdigit(*s))
848 be36ff68 2004-04-29 devnull 			goto oops;
849 be36ff68 2004-04-29 devnull 		j = strtol(s, &s, 0);
850 be36ff68 2004-04-29 devnull 		if(*s != 0)
851 be36ff68 2004-04-29 devnull 			goto oops;
852 be36ff68 2004-04-29 devnull 		*r = rectaddpt(*r, Pt(i,j));
853 be36ff68 2004-04-29 devnull 		*havemin = 1;
854 be36ff68 2004-04-29 devnull 		return 0;
855 be36ff68 2004-04-29 devnull 	}
856 be36ff68 2004-04-29 devnull 
857 be36ff68 2004-04-29 devnull 	c = *s;
858 be36ff68 2004-04-29 devnull 	if(c != ' ' && c != ',')
859 be36ff68 2004-04-29 devnull 		goto oops;
860 be36ff68 2004-04-29 devnull 	s++;
861 be36ff68 2004-04-29 devnull 	if(!isdigit(*s))
862 be36ff68 2004-04-29 devnull 		goto oops;
863 be36ff68 2004-04-29 devnull 	j = strtol(s, &s, 0);
864 be36ff68 2004-04-29 devnull 	if(*s != c)
865 be36ff68 2004-04-29 devnull 		goto oops;
866 be36ff68 2004-04-29 devnull 	s++;
867 be36ff68 2004-04-29 devnull 	if(!isdigit(*s))
868 be36ff68 2004-04-29 devnull 		goto oops;
869 be36ff68 2004-04-29 devnull 	k = strtol(s, &s, 0);
870 be36ff68 2004-04-29 devnull 	if(*s != c)
871 be36ff68 2004-04-29 devnull 		goto oops;
872 be36ff68 2004-04-29 devnull 	s++;
873 be36ff68 2004-04-29 devnull 	if(!isdigit(*s))
874 be36ff68 2004-04-29 devnull 		goto oops;
875 be36ff68 2004-04-29 devnull 	l = strtol(s, &s, 0);
876 be36ff68 2004-04-29 devnull 	if(*s != 0)
877 be36ff68 2004-04-29 devnull 		goto oops;
878 be36ff68 2004-04-29 devnull 	*r = Rect(i,j,k,l);
879 be36ff68 2004-04-29 devnull 	*havemin = 1;
880 be36ff68 2004-04-29 devnull 	return 0;
881 be36ff68 2004-04-29 devnull 
882 be36ff68 2004-04-29 devnull oops:
883 be36ff68 2004-04-29 devnull 	werrstr("bad syntax in window size '%s'", os);
884 be36ff68 2004-04-29 devnull 	return -1;
885 be36ff68 2004-04-29 devnull }