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 |
+ |
extern char *progname; |
70 |
+ |
|
71 |
|
int x_close(), x_clear(), x_paintr(), x_errout(), |
72 |
|
x_getcur(), x_comout(), x_comin(); |
73 |
|
|
74 |
|
static struct driver x_driver = { |
75 |
|
x_close, x_clear, x_paintr, x_getcur, |
76 |
< |
x_comout, x_comin, |
76 |
< |
MAXRES, MAXRES |
76 |
> |
x_comout, x_comin, 1.0 |
77 |
|
}; |
78 |
|
|
79 |
|
|
81 |
|
x_init(name, id) /* initialize driver */ |
82 |
|
char *name, *id; |
83 |
|
{ |
84 |
+ |
char defgeom[32]; |
85 |
+ |
OpaqueFrame mainframe; |
86 |
+ |
|
87 |
|
ourdisplay = XOpenDisplay(NULL); |
88 |
|
if (ourdisplay == NULL) { |
89 |
|
stderr_v("cannot open X-windows; DISPLAY variable set?\n"); |
99 |
|
bcross_bits, bcross_mask_bits, |
100 |
|
bcross_x_hot, bcross_y_hot, |
101 |
|
BlackPixel, WhitePixel, GXcopy); |
102 |
< |
clientname = id; |
102 |
> |
mainframe.bdrwidth = BORWIDTH; |
103 |
> |
mainframe.border = BlackPixmap; |
104 |
> |
mainframe.background = BlackPixmap; |
105 |
> |
sprintf(defgeom, "=%dx%d+0+22", DisplayWidth()-(2*BORWIDTH), |
106 |
> |
DisplayHeight()-(2*BORWIDTH+22)); |
107 |
> |
gwind = XCreate("X10 display driver", progname, NULL, defgeom, |
108 |
> |
&mainframe, MINWIDTH, MINHEIGHT+COMHEIGHT); |
109 |
> |
if (gwind == 0) { |
110 |
> |
stderr_v("can't create window\n"); |
111 |
> |
return(NULL); |
112 |
> |
} |
113 |
> |
XStoreName(gwind, id); |
114 |
> |
XMapWindow(gwind); |
115 |
> |
XSelectInput(gwind, KeyPressed|ButtonPressed| |
116 |
> |
ExposeWindow|ExposeRegion|UnmapWindow); |
117 |
> |
x_driver.xsiz = mainframe.width; |
118 |
> |
x_driver.ysiz = mainframe.height-COMHEIGHT; |
119 |
|
x_driver.inpready = 0; |
120 |
|
cmdvec = x_comout; /* set error vectors */ |
121 |
|
if (wrnvec != NULL) |
152 |
|
x_clear(xres, yres) /* clear our display */ |
153 |
|
int xres, yres; |
154 |
|
{ |
155 |
+ |
if (xres < MINWIDTH) |
156 |
+ |
xres = MINWIDTH; |
157 |
+ |
if (yres < MINHEIGHT) |
158 |
+ |
yres = MINHEIGHT; |
159 |
|
if (xres != gwidth || yres != gheight) { /* new window */ |
160 |
|
if (comline != NULL) |
161 |
|
xt_close(comline); |
162 |
< |
if (gwind == 0) { |
140 |
< |
gwind = XCreateWindow(RootWindow, 0, BARHEIGHT, |
141 |
< |
xres, yres+COMHEIGHT, BORWIDTH, |
142 |
< |
BlackPixmap, BlackPixmap); |
143 |
< |
if (gwind == 0) |
144 |
< |
goto fail; |
145 |
< |
XStoreName(gwind, clientname); |
146 |
< |
XSelectInput(gwind, KeyPressed|ButtonPressed| |
147 |
< |
ExposeWindow|ExposeRegion|UnmapWindow); |
148 |
< |
XMapWindow(gwind); |
149 |
< |
} else |
150 |
< |
XChangeWindow(gwind, xres, yres+COMHEIGHT); |
162 |
> |
XChangeWindow(gwind, xres, yres+COMHEIGHT); |
163 |
|
comline = xt_open(gwind, 0, yres, xres, COMHEIGHT, 0, COMFN); |
164 |
< |
if (comline == NULL) |
165 |
< |
goto fail; |
164 |
> |
if (comline == NULL) { |
165 |
> |
stderr_v("Cannot open command line window\n"); |
166 |
> |
quit(1); |
167 |
> |
} |
168 |
|
gwidth = xres; |
169 |
|
gheight = yres; |
170 |
|
} else /* just clear */ |
176 |
|
new_ctab(ncolors); |
177 |
|
XSync(1); /* discard input */ |
178 |
|
return; |
165 |
– |
fail: |
166 |
– |
stderr_v("Failure opening window in x_clear\n"); |
167 |
– |
quit(1); |
179 |
|
} |
180 |
|
|
181 |
|
|
207 |
|
{ |
208 |
|
int x_getc(), x_comout(); |
209 |
|
|
210 |
+ |
if (fromcombuf(inp, &x_driver)) |
211 |
+ |
return; |
212 |
|
xt_cursor(comline, TBLKCURS); |
213 |
|
editline(inp, x_getc, x_comout); |
214 |
|
xt_cursor(comline, TNOCURS); |
330 |
|
getkey(levptr(XKeyPressedEvent)); |
331 |
|
break; |
332 |
|
case ExposeWindow: |
333 |
< |
if (levptr(XExposeEvent)->subwindow == 0) { |
334 |
< |
if (ncolors == 0 && getpixels() == 0) { |
322 |
< |
stderr_v("cannot allocate colors\n"); |
323 |
< |
break; |
324 |
< |
} |
325 |
< |
new_ctab(ncolors); |
326 |
< |
} |
327 |
< |
/* 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 |
+ |
x_driver.xsiz = eexp->width; |
359 |
+ |
x_driver.ysiz = eexp->height-COMHEIGHT; |
360 |
+ |
strcpy(getcombuf(&x_driver), "new\n"); |
361 |
+ |
return; |
362 |
+ |
} |
363 |
+ |
/* remap colors */ |
364 |
+ |
if (ncolors == 0 && getpixels() == 0) { |
365 |
+ |
stderr_v("cannot allocate colors\n"); |
366 |
+ |
return; |
367 |
+ |
} |
368 |
+ |
new_ctab(ncolors); |
369 |
+ |
/* redraw */ |
370 |
+ |
fixwindow(eexp); |
371 |
+ |
} |
372 |
+ |
|
373 |
+ |
|
374 |
+ |
static |
375 |
|
getkey(ekey) /* get input key */ |
376 |
|
register XKeyPressedEvent *ekey; |
377 |
|
{ |
379 |
|
register char *str; |
380 |
|
|
381 |
|
str = XLookupMapping(ekey, &n); |
382 |
< |
while (n-- > 0 && c_last < sizeof(c_queue)) |
382 |
> |
while (n-- > 0 && c_last < sizeof(c_queue)) { |
383 |
|
c_queue[c_last++] = *str++; |
384 |
< |
x_driver.inpready = c_last - c_first; |
384 |
> |
x_driver.inpready++; |
385 |
> |
} |
386 |
|
} |
387 |
|
|
388 |
|
|
391 |
|
register XExposeEvent *eexp; |
392 |
|
{ |
393 |
|
if (eexp->subwindow == 0) |
394 |
< |
repaint(eexp->x, gheight - eexp->y - eexp->height, |
394 |
> |
sprintf(getcombuf(&x_driver), "repaint %d %d %d %d\n", |
395 |
> |
eexp->x, gheight - eexp->y - eexp->height, |
396 |
|
eexp->x + eexp->width, gheight - eexp->y); |
397 |
|
else if (eexp->subwindow == comline->w) |
398 |
|
xt_redraw(comline); |