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 64 /* minimum graphics window height */ |
33 |
|
|
34 |
|
#define COMFN "8x13" /* command line font name */ |
35 |
|
#define COMLH 3 /* number of command lines */ |
44 |
|
|
45 |
|
#define levptr(etype) ((etype *)&thisevent) |
46 |
|
|
46 |
– |
static char *clientname; /* calling client's name */ |
47 |
– |
|
47 |
|
static XEvent thisevent; /* current event */ |
48 |
|
|
49 |
|
static int ncolors = 0; /* color table size */ |
64 |
|
static int c_first = 0; /* first character in queue */ |
65 |
|
static int c_last = 0; /* last character in queue */ |
66 |
|
|
67 |
< |
extern char *malloc(); |
67 |
> |
extern char *malloc(), *getcombuf(); |
68 |
|
|
69 |
|
int x_close(), x_clear(), x_paintr(), x_errout(), |
70 |
|
x_getcur(), x_comout(), x_comin(); |
71 |
|
|
72 |
|
static struct driver x_driver = { |
73 |
|
x_close, x_clear, x_paintr, x_getcur, |
74 |
< |
x_comout, x_comin, |
76 |
< |
MAXRES, MAXRES |
74 |
> |
x_comout, x_comin, 1.0 |
75 |
|
}; |
76 |
|
|
77 |
|
|
78 |
|
struct driver * |
79 |
< |
x_init(name) /* initialize driver */ |
80 |
< |
char *name; |
79 |
> |
x_init(name, id) /* initialize driver */ |
80 |
> |
char *name, *id; |
81 |
|
{ |
82 |
+ |
char defgeom[32]; |
83 |
+ |
OpaqueFrame mainframe; |
84 |
+ |
|
85 |
|
ourdisplay = XOpenDisplay(NULL); |
86 |
|
if (ourdisplay == NULL) { |
87 |
|
stderr_v("cannot open X-windows; DISPLAY variable set?\n"); |
92 |
|
return(NULL); |
93 |
|
} |
94 |
|
make_gmap(GAMMA); /* make color map */ |
94 |
– |
if (getpixels() < 0) /* get pixels */ |
95 |
– |
stderr_v("cannot allocate colors\n"); |
95 |
|
|
96 |
|
pickcursor = XCreateCursor(bcross_width, bcross_height, |
97 |
|
bcross_bits, bcross_mask_bits, |
98 |
|
bcross_x_hot, bcross_y_hot, |
99 |
|
BlackPixel, WhitePixel, GXcopy); |
100 |
< |
clientname = name; |
100 |
> |
mainframe.bdrwidth = BORWIDTH; |
101 |
> |
mainframe.border = BlackPixmap; |
102 |
> |
mainframe.background = BlackPixmap; |
103 |
> |
sprintf(defgeom, "=%dx%d+0+22", DisplayWidth()-(2*BORWIDTH), |
104 |
> |
DisplayHeight()-(2*BORWIDTH+22)); |
105 |
> |
gwind = XCreate("X10 driver", name, NULL, defgeom, |
106 |
> |
&mainframe, MINWIDTH, MINHEIGHT+COMHEIGHT); |
107 |
> |
if (gwind == 0) { |
108 |
> |
stderr_v("can't create window\n"); |
109 |
> |
return(NULL); |
110 |
> |
} |
111 |
> |
XStoreName(gwind, id); |
112 |
> |
XMapWindow(gwind); |
113 |
> |
XSelectInput(gwind, KeyPressed|ButtonPressed| |
114 |
> |
ExposeWindow|ExposeRegion|UnmapWindow); |
115 |
> |
x_driver.xsiz = mainframe.width; |
116 |
> |
x_driver.ysiz = mainframe.height-COMHEIGHT; |
117 |
|
x_driver.inpready = 0; |
118 |
|
cmdvec = x_comout; /* set error vectors */ |
119 |
|
if (wrnvec != NULL) |
150 |
|
x_clear(xres, yres) /* clear our display */ |
151 |
|
int xres, yres; |
152 |
|
{ |
153 |
+ |
if (xres < MINWIDTH) |
154 |
+ |
xres = MINWIDTH; |
155 |
+ |
if (yres < MINHEIGHT) |
156 |
+ |
yres = MINHEIGHT; |
157 |
|
if (xres != gwidth || yres != gheight) { /* new window */ |
158 |
|
if (comline != NULL) |
159 |
|
xt_close(comline); |
160 |
< |
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; |
160 |
> |
XChangeWindow(gwind, xres, yres+COMHEIGHT); |
161 |
|
comline = xt_open(gwind, 0, yres, xres, COMHEIGHT, 0, COMFN); |
162 |
< |
if (comline == NULL) |
163 |
< |
goto fail; |
164 |
< |
XMapWindow(gwind); |
165 |
< |
XSelectInput(gwind, |
153 |
< |
KeyPressed|ButtonPressed|ExposeWindow|ExposeRegion|UnmapWindow); |
154 |
< |
XStoreName(gwind, clientname); |
162 |
> |
if (comline == NULL) { |
163 |
> |
stderr_v("Cannot open command line window\n"); |
164 |
> |
quit(1); |
165 |
> |
} |
166 |
|
gwidth = xres; |
167 |
|
gheight = yres; |
168 |
|
} else /* just clear */ |
169 |
|
XClear(gwind); |
170 |
< |
/* redo color table */ |
171 |
< |
new_ctab(ncolors); |
172 |
< |
checkinp(); |
170 |
> |
/* reinitialize color table */ |
171 |
> |
if (ncolors == 0 && getpixels() == 0) |
172 |
> |
stderr_v("cannot allocate colors\n"); |
173 |
> |
else |
174 |
> |
new_ctab(ncolors); |
175 |
> |
XSync(1); /* discard input */ |
176 |
|
return; |
163 |
– |
fail: |
164 |
– |
stderr_v("Failure opening window in x_clear\n"); |
165 |
– |
quit(1); |
177 |
|
} |
178 |
|
|
179 |
|
|
205 |
|
{ |
206 |
|
int x_getc(), x_comout(); |
207 |
|
|
208 |
+ |
if (fromcombuf(inp, &x_driver)) |
209 |
+ |
return; |
210 |
|
xt_cursor(comline, TBLKCURS); |
211 |
|
editline(inp, x_getc, x_comout); |
212 |
|
xt_cursor(comline, TNOCURS); |
278 |
|
} |
279 |
|
|
280 |
|
|
281 |
< |
static |
281 |
> |
static int |
282 |
|
getpixels() /* get the color map */ |
283 |
|
{ |
284 |
|
int planes; |
285 |
|
|
286 |
+ |
freepixels(); |
287 |
|
for (ncolors=(1<<DisplayPlanes())-3; ncolors>12; ncolors=ncolors*.937){ |
288 |
|
pixval = (int *)malloc(ncolors*sizeof(int)); |
289 |
|
if (pixval == NULL) |
290 |
|
break; |
291 |
|
if (XGetColorCells(0,ncolors,0,&planes,pixval) != 0) |
292 |
< |
return(0); |
292 |
> |
return(ncolors); |
293 |
|
free((char *)pixval); |
294 |
|
} |
295 |
< |
ncolors = 0; |
282 |
< |
return(-1); |
295 |
> |
return(ncolors = 0); |
296 |
|
} |
297 |
|
|
298 |
|
|
328 |
|
getkey(levptr(XKeyPressedEvent)); |
329 |
|
break; |
330 |
|
case ExposeWindow: |
331 |
< |
if (levptr(XExposeEvent)->subwindow == 0) { |
332 |
< |
if (ncolors == 0 && getpixels() < 0) { |
320 |
< |
stderr_v("cannot allocate colors\n"); |
321 |
< |
break; |
322 |
< |
} |
323 |
< |
new_ctab(ncolors); |
324 |
< |
} |
325 |
< |
/* fall through */ |
331 |
> |
windowchange(levptr(XExposeEvent)); |
332 |
> |
break; |
333 |
|
case ExposeRegion: |
334 |
|
fixwindow(levptr(XExposeEvent)); |
335 |
|
break; |
344 |
|
|
345 |
|
|
346 |
|
static |
347 |
+ |
windowchange(eexp) /* process window change event */ |
348 |
+ |
register XExposeEvent *eexp; |
349 |
+ |
{ |
350 |
+ |
if (eexp->subwindow != 0) { |
351 |
+ |
fixwindow(eexp); |
352 |
+ |
return; |
353 |
+ |
} |
354 |
+ |
/* check for change in size */ |
355 |
+ |
if (eexp->width != gwidth || eexp->height-COMHEIGHT != gheight) { |
356 |
+ |
x_driver.xsiz = eexp->width; |
357 |
+ |
x_driver.ysiz = eexp->height-COMHEIGHT; |
358 |
+ |
strcpy(getcombuf(&x_driver), "new\n"); |
359 |
+ |
return; |
360 |
+ |
} |
361 |
+ |
/* remap colors */ |
362 |
+ |
if (ncolors == 0 && getpixels() == 0) { |
363 |
+ |
stderr_v("cannot allocate colors\n"); |
364 |
+ |
return; |
365 |
+ |
} |
366 |
+ |
new_ctab(ncolors); |
367 |
+ |
/* redraw */ |
368 |
+ |
fixwindow(eexp); |
369 |
+ |
} |
370 |
+ |
|
371 |
+ |
|
372 |
+ |
static |
373 |
|
getkey(ekey) /* get input key */ |
374 |
|
register XKeyPressedEvent *ekey; |
375 |
|
{ |
377 |
|
register char *str; |
378 |
|
|
379 |
|
str = XLookupMapping(ekey, &n); |
380 |
< |
while (n-- > 0 && c_last < sizeof(c_queue)) |
380 |
> |
while (n-- > 0 && c_last < sizeof(c_queue)) { |
381 |
|
c_queue[c_last++] = *str++; |
382 |
< |
x_driver.inpready = c_last - c_first; |
382 |
> |
x_driver.inpready++; |
383 |
> |
} |
384 |
|
} |
385 |
|
|
386 |
|
|
389 |
|
register XExposeEvent *eexp; |
390 |
|
{ |
391 |
|
if (eexp->subwindow == 0) |
392 |
< |
repaint(eexp->x, gheight - eexp->y - eexp->height, |
392 |
> |
sprintf(getcombuf(&x_driver), "repaint %d %d %d %d\n", |
393 |
> |
eexp->x, gheight - eexp->y - eexp->height, |
394 |
|
eexp->x + eexp->width, gheight - eexp->y); |
395 |
|
else if (eexp->subwindow == comline->w) |
396 |
|
xt_redraw(comline); |