| 14 |
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#include "selcall.h" |
| 15 |
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#include <ctype.h> |
| 16 |
|
|
| 17 |
+ |
#ifndef VIEWHISTLEN |
| 18 |
+ |
#define VIEWHISTLEN 2 /* number of remembered views */ |
| 19 |
+ |
#endif |
| 20 |
+ |
|
| 21 |
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HOLO *hdlist[HDMAX+1]; /* global holodeck list */ |
| 22 |
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|
| 23 |
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char cmdlist[DC_NCMDS][8] = DC_INIT; |
| 58 |
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rdy = disp_wait(); |
| 59 |
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if (rdy & RDY_DEV) { /* user input from driver */ |
| 60 |
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inp = dev_input(); |
| 61 |
< |
if (inp & DEV_PUTVIEW) |
| 58 |
< |
printview(); |
| 59 |
< |
if (inp & DEV_NEWVIEW) |
| 61 |
> |
if (inp & DFL(DC_SETVIEW)) |
| 62 |
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new_view(&odev.v); |
| 63 |
< |
if (inp & DEV_SHUTDOWN) |
| 64 |
< |
serv_request(DR_SHUTDOWN, 0, NULL); |
| 65 |
< |
if (inp & DEV_REDRAW) { |
| 66 |
< |
imm_mode = 1; /* preempt updates */ |
| 67 |
< |
beam_sync(); |
| 66 |
< |
} |
| 67 |
< |
if (inp & DEV_WAIT) |
| 63 |
> |
if (inp & DFL(DC_GETVIEW)) |
| 64 |
> |
printview(); |
| 65 |
> |
if (inp & DFL(DC_LASTVIEW)) |
| 66 |
> |
new_view(NULL); |
| 67 |
> |
if (inp & DFL(DC_PAUSE)) |
| 68 |
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pause = 1; |
| 69 |
< |
if (inp & DEV_RESUME) { |
| 69 |
> |
if (inp & DFL(DC_RESUME)) { |
| 70 |
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serv_request(DR_NOOP, 0, NULL); |
| 71 |
|
pause = 0; |
| 72 |
|
} |
| 73 |
+ |
if (inp & DFL(DC_REDRAW)) |
| 74 |
+ |
imm_mode = beam_sync() > 0; |
| 75 |
+ |
if (inp & DFL(DC_KILL)) |
| 76 |
+ |
serv_request(DR_KILL, 0, NULL); |
| 77 |
+ |
if (inp & DFL(DC_CLOBBER)) |
| 78 |
+ |
serv_request(DR_CLOBBER, 0, NULL); |
| 79 |
+ |
if (inp & DFL(DC_RESTART)) |
| 80 |
+ |
serv_request(DR_RESTART, 0, NULL); |
| 81 |
+ |
if (inp & DFL(DC_QUIT)) |
| 82 |
+ |
serv_request(DR_SHUTDOWN, 0, NULL); |
| 83 |
|
} |
| 84 |
|
if (rdy & RDY_SIN) /* user input from sstdin */ |
| 85 |
|
switch (usr_input()) { |
| 200 |
|
|
| 201 |
|
|
| 202 |
|
new_view(v) /* change view parameters */ |
| 203 |
< |
VIEW *v; |
| 203 |
> |
register VIEW *v; |
| 204 |
|
{ |
| 205 |
+ |
static VIEW viewhist[VIEWHISTLEN]; |
| 206 |
+ |
static unsigned nhist; |
| 207 |
|
char *err; |
| 208 |
< |
|
| 209 |
< |
do { |
| 210 |
< |
if ((err = setview(v)) != NULL) { |
| 211 |
< |
error(COMMAND, err); |
| 208 |
> |
/* restore previous view? */ |
| 209 |
> |
if (v == NULL) { |
| 210 |
> |
if (nhist < 2) { |
| 211 |
> |
error(COMMAND, "no previous view"); |
| 212 |
|
return; |
| 213 |
|
} |
| 214 |
< |
if (v->type == VT_PAR) { |
| 215 |
< |
error(COMMAND, "cannot handle parallel views"); |
| 216 |
< |
return; |
| 217 |
< |
} |
| 218 |
< |
dev_view(v); /* update display driver */ |
| 219 |
< |
dev_flush(); /* update screen */ |
| 220 |
< |
} while (!beam_view(v)); /* update beam list */ |
| 214 |
> |
nhist--; /* get one before last setting */ |
| 215 |
> |
v = viewhist + ((nhist-1)%VIEWHISTLEN); |
| 216 |
> |
} else if ((err = setview(v)) != NULL) { |
| 217 |
> |
error(COMMAND, err); |
| 218 |
> |
return; |
| 219 |
> |
} |
| 220 |
> |
again: |
| 221 |
> |
if (v->type == VT_PAR) { |
| 222 |
> |
error(COMMAND, "cannot handle parallel views"); |
| 223 |
> |
return; |
| 224 |
> |
} |
| 225 |
> |
if (!dev_view(v)) /* update display driver */ |
| 226 |
> |
goto again; |
| 227 |
> |
dev_flush(); /* update screen */ |
| 228 |
> |
if (!beam_view(v)) /* update beam list */ |
| 229 |
> |
goto again; |
| 230 |
> |
/* record new view */ |
| 231 |
> |
if (v < viewhist || v >= viewhist+VIEWHISTLEN) { |
| 232 |
> |
copystruct(viewhist + (nhist%VIEWHISTLEN), v); |
| 233 |
> |
nhist++; |
| 234 |
> |
} |
| 235 |
|
} |
| 236 |
|
|
| 237 |
|
|
| 272 |
|
case DC_GETVIEW: /* print the current view */ |
| 273 |
|
printview(); |
| 274 |
|
break; |
| 275 |
+ |
case DC_LASTVIEW: /* restore previous view */ |
| 276 |
+ |
new_view(NULL); |
| 277 |
+ |
break; |
| 278 |
|
case DC_PAUSE: /* pause the current calculation */ |
| 279 |
|
case DC_RESUME: /* resume the calculation */ |
| 280 |
|
/* handled in main() */ |
| 281 |
+ |
break; |
| 282 |
+ |
case DC_REDRAW: /* redraw from server */ |
| 283 |
+ |
imm_mode = beam_sync() > 0; |
| 284 |
+ |
break; |
| 285 |
+ |
case DC_KILL: /* kill rtrace process(es) */ |
| 286 |
+ |
serv_request(DR_KILL, 0, NULL); |
| 287 |
+ |
break; |
| 288 |
+ |
case DC_CLOBBER: /* clobber holodeck */ |
| 289 |
+ |
serv_request(DR_CLOBBER, 0, NULL); |
| 290 |
+ |
break; |
| 291 |
+ |
case DC_RESTART: /* restart rtrace */ |
| 292 |
+ |
serv_request(DR_RESTART, 0, NULL); |
| 293 |
|
break; |
| 294 |
|
case DC_QUIT: /* quit request */ |
| 295 |
|
serv_request(DR_SHUTDOWN, 0, NULL); |
