27 |
|
#define GAMMA 2.2 /* exponent for color correction */ |
28 |
|
|
29 |
|
#define BORWIDTH 5 /* border width */ |
30 |
– |
#define BARHEIGHT 25 /* menu bar size */ |
30 |
|
#define COMHEIGHT (COMLH*COMCH) /* command line height (pixels) */ |
31 |
+ |
#define MINWIDTH (32*COMCW) /* minimum graphics window width */ |
32 |
+ |
#define MINHEIGHT MINWIDTH /* minimum graphics window height */ |
33 |
|
|
34 |
|
#define COMFN "8x13" /* command line font name */ |
35 |
|
#define COMLH 3 /* number of command lines */ |
36 |
|
#define COMCW 8 /* approx. character width (pixels) */ |
37 |
|
#define COMCH 13 /* approx. character height (pixels) */ |
38 |
|
|
38 |
– |
#ifndef WFLUSH |
39 |
– |
#define WFLUSH 30 /* flush after this many rays */ |
40 |
– |
#endif |
41 |
– |
|
42 |
– |
#define checkinp() while (XPending() > 0) getevent() |
43 |
– |
|
39 |
|
#define levptr(etype) ((etype *)&thisevent) |
40 |
|
|
46 |
– |
static char *clientname; /* calling client's name */ |
47 |
– |
|
41 |
|
static XEvent thisevent; /* current event */ |
42 |
|
|
43 |
|
static int ncolors = 0; /* color table size */ |
49 |
|
|
50 |
|
static Cursor pickcursor = 0; /* cursor used for picking */ |
51 |
|
|
52 |
< |
static int gwidth = 0; /* graphics window width */ |
60 |
< |
static int gheight = 0; /* graphics window height */ |
52 |
> |
static int gwidth, gheight; /* graphics window size */ |
53 |
|
|
54 |
|
static TEXTWIND *comline = NULL; /* our command line */ |
55 |
|
|
57 |
|
static int c_first = 0; /* first character in queue */ |
58 |
|
static int c_last = 0; /* last character in queue */ |
59 |
|
|
60 |
< |
extern char *malloc(); |
60 |
> |
extern char *malloc(), *getcombuf(); |
61 |
|
|
62 |
+ |
extern char *progname; |
63 |
+ |
|
64 |
|
int x_close(), x_clear(), x_paintr(), x_errout(), |
65 |
< |
x_getcur(), x_comout(), x_comin(); |
65 |
> |
x_getcur(), x_comout(), x_comin(), x_flush(); |
66 |
|
|
67 |
|
static struct driver x_driver = { |
68 |
|
x_close, x_clear, x_paintr, x_getcur, |
69 |
< |
x_comout, x_comin, |
76 |
< |
MAXRES, MAXRES |
69 |
> |
x_comout, x_comin, x_flush, 1.0 |
70 |
|
}; |
71 |
|
|
72 |
|
|
73 |
|
struct driver * |
74 |
< |
x_init(name) /* initialize driver */ |
75 |
< |
char *name; |
74 |
> |
x_init(name, id) /* initialize driver */ |
75 |
> |
char *name, *id; |
76 |
|
{ |
77 |
+ |
char defgeom[32]; |
78 |
+ |
OpaqueFrame mainframe; |
79 |
+ |
|
80 |
|
ourdisplay = XOpenDisplay(NULL); |
81 |
|
if (ourdisplay == NULL) { |
82 |
|
stderr_v("cannot open X-windows; DISPLAY variable set?\n"); |
86 |
|
stderr_v("not enough colors\n"); |
87 |
|
return(NULL); |
88 |
|
} |
89 |
< |
make_cmap(GAMMA); /* make color map */ |
94 |
< |
if (getpixels() < 0) /* get pixels */ |
95 |
< |
stderr_v("cannot allocate colors\n"); |
89 |
> |
make_gmap(GAMMA); /* make color map */ |
90 |
|
|
91 |
|
pickcursor = XCreateCursor(bcross_width, bcross_height, |
92 |
|
bcross_bits, bcross_mask_bits, |
93 |
|
bcross_x_hot, bcross_y_hot, |
94 |
|
BlackPixel, WhitePixel, GXcopy); |
95 |
< |
clientname = name; |
95 |
> |
mainframe.bdrwidth = BORWIDTH; |
96 |
> |
mainframe.border = BlackPixmap; |
97 |
> |
mainframe.background = BlackPixmap; |
98 |
> |
sprintf(defgeom, "=%dx%d+0+22", DisplayWidth()-(2*BORWIDTH), |
99 |
> |
DisplayHeight()-(2*BORWIDTH+22)); |
100 |
> |
gwind = XCreate("X10 display driver", progname, NULL, defgeom, |
101 |
> |
&mainframe, MINWIDTH, MINHEIGHT+COMHEIGHT); |
102 |
> |
if (gwind == 0) { |
103 |
> |
stderr_v("can't create window\n"); |
104 |
> |
return(NULL); |
105 |
> |
} |
106 |
> |
XStoreName(gwind, id); |
107 |
> |
XSelectInput(gwind, KeyPressed|ButtonPressed| |
108 |
> |
ExposeWindow|ExposeRegion|UnmapWindow); |
109 |
> |
gwidth = mainframe.width; |
110 |
> |
gheight = mainframe.height-COMHEIGHT; |
111 |
> |
x_driver.xsiz = gwidth < MINWIDTH ? MINWIDTH : gwidth; |
112 |
> |
x_driver.ysiz = gheight < MINHEIGHT ? MINHEIGHT : gheight; |
113 |
|
x_driver.inpready = 0; |
114 |
|
cmdvec = x_comout; /* set error vectors */ |
115 |
|
if (wrnvec != NULL) |
133 |
|
if (gwind != 0) { |
134 |
|
XDestroyWindow(gwind); |
135 |
|
gwind = 0; |
125 |
– |
gwidth = gheight = 0; |
136 |
|
} |
137 |
|
XFreeCursor(pickcursor); |
138 |
|
freepixels(); |
148 |
|
if (xres != gwidth || yres != gheight) { /* new window */ |
149 |
|
if (comline != NULL) |
150 |
|
xt_close(comline); |
151 |
< |
if (gwind != 0) |
142 |
< |
XDestroyWindow(gwind); |
143 |
< |
gwind = XCreateWindow(RootWindow, 0, BARHEIGHT, |
144 |
< |
xres, yres+COMHEIGHT, BORWIDTH, |
145 |
< |
BlackPixmap, BlackPixmap); |
146 |
< |
if (gwind == 0) |
147 |
< |
goto fail; |
151 |
> |
XChangeWindow(gwind, xres, yres+COMHEIGHT); |
152 |
|
comline = xt_open(gwind, 0, yres, xres, COMHEIGHT, 0, COMFN); |
153 |
< |
if (comline == NULL) |
154 |
< |
goto fail; |
155 |
< |
XMapWindow(gwind); |
156 |
< |
XSelectInput(gwind, |
153 |
< |
KeyPressed|ButtonPressed|ExposeWindow|ExposeRegion|UnmapWindow); |
154 |
< |
XStoreName(gwind, clientname); |
153 |
> |
if (comline == NULL) { |
154 |
> |
stderr_v("Cannot open command line window\n"); |
155 |
> |
quit(1); |
156 |
> |
} |
157 |
|
gwidth = xres; |
158 |
|
gheight = yres; |
159 |
|
} else /* just clear */ |
160 |
|
XClear(gwind); |
161 |
< |
if (newtab() < 0) { |
162 |
< |
stderr_v("Color allocation error\n"); |
163 |
< |
quit(1); |
164 |
< |
} |
165 |
< |
checkinp(); |
161 |
> |
/* reinitialize color table */ |
162 |
> |
if (getpixels() == 0) |
163 |
> |
stderr_v("cannot allocate colors\n"); |
164 |
> |
else |
165 |
> |
new_ctab(ncolors); |
166 |
> |
|
167 |
> |
XMapWindow(gwind); /* make sure it's mapped */ |
168 |
> |
XSync(1); /* discard input */ |
169 |
|
return; |
165 |
– |
fail: |
166 |
– |
stderr_v("Failure opening window in x_clear\n"); |
167 |
– |
quit(1); |
170 |
|
} |
171 |
|
|
172 |
|
|
175 |
|
COLOR col; |
176 |
|
int xmin, ymin, xmax, ymax; |
177 |
|
{ |
178 |
< |
extern long nrays; /* global ray count */ |
177 |
< |
static long lastflush = 0; /* ray count at last flush */ |
178 |
> |
extern int xnewcolr(); /* pixel assignment routine */ |
179 |
|
|
180 |
|
if (ncolors > 0) { |
181 |
|
XPixSet(gwind, xmin, gheight-ymax, xmax-xmin, ymax-ymin, |
182 |
< |
pixval[get_pixel(col)]); |
182 |
> |
pixval[get_pixel(col, xnewcolr)]); |
183 |
|
} |
183 |
– |
if (nrays - lastflush >= WFLUSH) { |
184 |
– |
if (ncolors <= 0) /* output necessary for death */ |
185 |
– |
XPixSet(gwind,0,0,1,1,BlackPixel); |
186 |
– |
checkinp(); |
187 |
– |
lastflush = nrays; |
188 |
– |
} |
184 |
|
} |
185 |
|
|
186 |
|
|
187 |
|
static |
188 |
< |
x_comin(inp) /* read in a command line */ |
194 |
< |
char *inp; |
188 |
> |
x_flush() /* flush output */ |
189 |
|
{ |
190 |
+ |
if (ncolors <= 0) /* output necessary for death */ |
191 |
+ |
XPixSet(gwind,0,0,1,1,BlackPixel); |
192 |
+ |
while (XPending() > 0) |
193 |
+ |
getevent(); |
194 |
+ |
|
195 |
+ |
} |
196 |
+ |
|
197 |
+ |
|
198 |
+ |
static |
199 |
+ |
x_comin(inp, prompt) /* read in a command line */ |
200 |
+ |
char *inp, *prompt; |
201 |
+ |
{ |
202 |
|
int x_getc(), x_comout(); |
203 |
|
|
204 |
+ |
if (prompt != NULL) |
205 |
+ |
if (fromcombuf(inp, &x_driver)) |
206 |
+ |
return; |
207 |
+ |
else |
208 |
+ |
xt_puts(prompt, comline); |
209 |
|
xt_cursor(comline, TBLKCURS); |
210 |
|
editline(inp, x_getc, x_comout); |
211 |
|
xt_cursor(comline, TNOCURS); |
216 |
|
x_comout(out) /* output a string to command line */ |
217 |
|
char *out; |
218 |
|
{ |
219 |
< |
if (comline != NULL) |
220 |
< |
xt_puts(out, comline); |
221 |
< |
XFlush(); |
219 |
> |
if (comline == NULL) |
220 |
> |
return; |
221 |
> |
xt_puts(out, comline); |
222 |
> |
if (out[strlen(out)-1] == '\n') |
223 |
> |
XFlush(); |
224 |
|
} |
225 |
|
|
226 |
|
|
228 |
|
x_errout(msg) /* output an error message */ |
229 |
|
char *msg; |
230 |
|
{ |
218 |
– |
x_comout(msg); |
231 |
|
stderr_v(msg); /* send to stderr also! */ |
232 |
+ |
x_comout(msg); |
233 |
|
} |
234 |
|
|
235 |
|
|
264 |
|
|
265 |
|
|
266 |
|
static |
267 |
< |
newcolr(ndx, clr) /* enter a color into hardware table */ |
267 |
> |
xnewcolr(ndx, r, g, b) /* enter a color into hardware table */ |
268 |
|
int ndx; |
269 |
< |
COLR clr; |
269 |
> |
int r, g, b; |
270 |
|
{ |
271 |
|
Color xcolor; |
272 |
|
|
273 |
|
xcolor.pixel = pixval[ndx]; |
274 |
< |
xcolor.red = clr[RED] << 8; |
275 |
< |
xcolor.green = clr[GRN] << 8; |
276 |
< |
xcolor.blue = clr[BLU] << 8; |
274 |
> |
xcolor.red = r << 8; |
275 |
> |
xcolor.green = g << 8; |
276 |
> |
xcolor.blue = b << 8; |
277 |
|
|
278 |
|
XStoreColor(&xcolor); |
279 |
|
} |
280 |
|
|
281 |
|
|
282 |
< |
static |
270 |
< |
newtab() /* assign new color table */ |
271 |
< |
{ |
272 |
< |
extern COLR *get_ctab(); |
273 |
< |
COLR *ctab; |
274 |
< |
Color *defs; |
275 |
< |
register int i; |
276 |
< |
|
277 |
< |
if ((ctab = get_ctab(ncolors)) == NULL) |
278 |
< |
return(-1); |
279 |
< |
if ((defs = (Color *)malloc(ncolors*sizeof(Color))) == NULL) |
280 |
< |
return(-1); |
281 |
< |
for (i = 0; i < ncolors; i++) { |
282 |
< |
defs[i].pixel = pixval[i]; |
283 |
< |
defs[i].red = ctab[i][RED] << 8; |
284 |
< |
defs[i].green = ctab[i][GRN] << 8; |
285 |
< |
defs[i].blue = ctab[i][BLU] << 8; |
286 |
< |
} |
287 |
< |
XStoreColors(ncolors, defs); |
288 |
< |
free((char *)defs); |
289 |
< |
return(0); |
290 |
< |
} |
291 |
< |
|
292 |
< |
|
293 |
< |
static |
282 |
> |
static int |
283 |
|
getpixels() /* get the color map */ |
284 |
|
{ |
285 |
|
int planes; |
286 |
|
|
287 |
+ |
if (ncolors > 0) |
288 |
+ |
return(ncolors); |
289 |
|
for (ncolors=(1<<DisplayPlanes())-3; ncolors>12; ncolors=ncolors*.937){ |
290 |
|
pixval = (int *)malloc(ncolors*sizeof(int)); |
291 |
|
if (pixval == NULL) |
292 |
|
break; |
293 |
|
if (XGetColorCells(0,ncolors,0,&planes,pixval) != 0) |
294 |
< |
return(0); |
294 |
> |
return(ncolors); |
295 |
|
free((char *)pixval); |
296 |
|
} |
297 |
< |
ncolors = 0; |
307 |
< |
return(-1); |
297 |
> |
return(ncolors = 0); |
298 |
|
} |
299 |
|
|
300 |
|
|
330 |
|
getkey(levptr(XKeyPressedEvent)); |
331 |
|
break; |
332 |
|
case ExposeWindow: |
333 |
< |
if (ncolors == 0 && levptr(XExposeEvent)->subwindow == 0) |
334 |
< |
if (getpixels() < 0) |
345 |
< |
stderr_v("cannot grab colors\n"); |
346 |
< |
else |
347 |
< |
newtab(); |
348 |
< |
/* fall through */ |
333 |
> |
windowchange(levptr(XExposeEvent)); |
334 |
> |
break; |
335 |
|
case ExposeRegion: |
336 |
|
fixwindow(levptr(XExposeEvent)); |
337 |
|
break; |
346 |
|
|
347 |
|
|
348 |
|
static |
349 |
+ |
windowchange(eexp) /* process window change event */ |
350 |
+ |
register XExposeEvent *eexp; |
351 |
+ |
{ |
352 |
+ |
if (eexp->subwindow != 0) { |
353 |
+ |
fixwindow(eexp); |
354 |
+ |
return; |
355 |
+ |
} |
356 |
+ |
/* check for change in size */ |
357 |
+ |
if (eexp->width != gwidth || eexp->height-COMHEIGHT != gheight) { |
358 |
+ |
gwidth = eexp->width; |
359 |
+ |
gheight = eexp->height-COMHEIGHT; |
360 |
+ |
x_driver.xsiz = gwidth < MINWIDTH ? MINWIDTH : gwidth; |
361 |
+ |
x_driver.ysiz = gheight < MINHEIGHT ? MINHEIGHT : gheight; |
362 |
+ |
strcpy(getcombuf(&x_driver), "new\n"); |
363 |
+ |
return; |
364 |
+ |
} |
365 |
+ |
/* remap colors */ |
366 |
+ |
if (getpixels() == 0) { |
367 |
+ |
stderr_v("cannot allocate colors\n"); |
368 |
+ |
return; |
369 |
+ |
} |
370 |
+ |
new_ctab(ncolors); |
371 |
+ |
/* redraw */ |
372 |
+ |
fixwindow(eexp); |
373 |
+ |
} |
374 |
+ |
|
375 |
+ |
|
376 |
+ |
static |
377 |
|
getkey(ekey) /* get input key */ |
378 |
|
register XKeyPressedEvent *ekey; |
379 |
|
{ |
381 |
|
register char *str; |
382 |
|
|
383 |
|
str = XLookupMapping(ekey, &n); |
384 |
< |
while (n-- > 0 && c_last < sizeof(c_queue)) |
384 |
> |
while (n-- > 0 && c_last < sizeof(c_queue)) { |
385 |
|
c_queue[c_last++] = *str++; |
386 |
< |
x_driver.inpready = c_last - c_first; |
386 |
> |
x_driver.inpready++; |
387 |
> |
} |
388 |
|
} |
389 |
|
|
390 |
|
|
393 |
|
register XExposeEvent *eexp; |
394 |
|
{ |
395 |
|
if (eexp->subwindow == 0) |
396 |
< |
repaint(eexp->x, gheight - eexp->y - eexp->height, |
396 |
> |
sprintf(getcombuf(&x_driver), "repaint %d %d %d %d\n", |
397 |
> |
eexp->x, gheight - eexp->y - eexp->height, |
398 |
|
eexp->x + eexp->width, gheight - eexp->y); |
399 |
|
else if (eexp->subwindow == comline->w) |
400 |
|
xt_redraw(comline); |