14 |
|
#include "selcall.h" |
15 |
|
#include <ctype.h> |
16 |
|
|
17 |
+ |
#ifndef VIEWHISTLEN |
18 |
+ |
#define VIEWHISTLEN 4 /* number of remembered views */ |
19 |
+ |
#endif |
20 |
+ |
|
21 |
|
HOLO *hdlist[HDMAX+1]; /* global holodeck list */ |
22 |
|
|
23 |
|
char cmdlist[DC_NCMDS][8] = DC_INIT; |
56 |
|
/* enter main loop */ |
57 |
|
do { |
58 |
|
rdy = disp_wait(); |
59 |
+ |
if (rdy & RDY_SRV) { /* process server result */ |
60 |
+ |
res = serv_result(); |
61 |
+ |
if (pause && res != DS_SHUTDOWN) { |
62 |
+ |
serv_request(DR_ATTEN, 0, NULL); |
63 |
+ |
while ((res = serv_result()) != DS_ACKNOW && |
64 |
+ |
res != DS_SHUTDOWN) |
65 |
+ |
; |
66 |
+ |
} |
67 |
+ |
} |
68 |
|
if (rdy & RDY_DEV) { /* user input from driver */ |
69 |
|
inp = dev_input(); |
70 |
< |
if (inp & DEV_PUTVIEW) |
58 |
< |
printview(); |
59 |
< |
if (inp & DEV_NEWVIEW) |
70 |
> |
if (inp & DFL(DC_SETVIEW)) |
71 |
|
new_view(&odev.v); |
72 |
< |
if (inp & DEV_SHUTDOWN) |
73 |
< |
serv_request(DR_SHUTDOWN, 0, NULL); |
74 |
< |
if (inp & DEV_REDRAW) { |
75 |
< |
imm_mode = 1; /* preempt updates */ |
76 |
< |
beam_sync(); |
72 |
> |
if (inp & DFL(DC_GETVIEW)) |
73 |
> |
printview(); |
74 |
> |
if (inp & DFL(DC_LASTVIEW)) |
75 |
> |
new_view(NULL); |
76 |
> |
if (inp & DFL(DC_RESUME)) { |
77 |
> |
serv_request(DR_NOOP, 0, NULL); |
78 |
> |
pause = 0; |
79 |
|
} |
80 |
< |
if (inp & DEV_WAIT) |
80 |
> |
if (inp & DFL(DC_PAUSE)) |
81 |
|
pause = 1; |
82 |
< |
if (inp & DEV_RESUME) { |
83 |
< |
serv_request(DR_NOOP, 0, NULL); |
82 |
> |
if (inp & DFL(DC_REDRAW)) |
83 |
> |
imm_mode = beam_sync() > 0; |
84 |
> |
if (inp & DFL(DC_KILL)) { |
85 |
> |
serv_request(DR_KILL, 0, NULL); |
86 |
|
pause = 0; |
87 |
|
} |
88 |
+ |
if (inp & DFL(DC_CLOBBER)) |
89 |
+ |
serv_request(DR_CLOBBER, 0, NULL); |
90 |
+ |
if (inp & DFL(DC_RESTART)) { |
91 |
+ |
serv_request(DR_RESTART, 0, NULL); |
92 |
+ |
pause = 0; |
93 |
+ |
} |
94 |
+ |
if (inp & DFL(DC_QUIT)) |
95 |
+ |
serv_request(DR_SHUTDOWN, 0, NULL); |
96 |
|
} |
97 |
|
if (rdy & RDY_SIN) /* user input from sstdin */ |
98 |
|
switch (usr_input()) { |
101 |
|
break; |
102 |
|
case DC_RESUME: |
103 |
|
serv_request(DR_NOOP, 0, NULL); |
104 |
+ |
/* fall through */ |
105 |
+ |
case DC_KILL: |
106 |
+ |
case DC_RESTART: |
107 |
|
pause = 0; |
108 |
|
break; |
109 |
|
} |
84 |
– |
if (rdy & RDY_SRV) { /* process server result */ |
85 |
– |
res = serv_result(); |
86 |
– |
if (pause && res != DS_SHUTDOWN) { |
87 |
– |
serv_request(DR_ATTEN, 0, NULL); |
88 |
– |
while ((res = serv_result()) != DS_ACKNOW && |
89 |
– |
res != DS_SHUTDOWN) |
90 |
– |
; |
91 |
– |
} |
92 |
– |
} |
110 |
|
} while (res != DS_SHUTDOWN); |
111 |
|
/* all done */ |
112 |
|
quit(0); |
207 |
|
|
208 |
|
|
209 |
|
new_view(v) /* change view parameters */ |
210 |
< |
VIEW *v; |
210 |
> |
register VIEW *v; |
211 |
|
{ |
212 |
+ |
static VIEW viewhist[VIEWHISTLEN]; |
213 |
+ |
static unsigned nhist; |
214 |
|
char *err; |
215 |
< |
|
216 |
< |
do { |
217 |
< |
if ((err = setview(v)) != NULL) { |
218 |
< |
error(COMMAND, err); |
219 |
< |
return; |
220 |
< |
} |
221 |
< |
if (v->type == VT_PAR) { |
222 |
< |
error(COMMAND, "cannot handle parallel views"); |
223 |
< |
return; |
224 |
< |
} |
225 |
< |
dev_view(v); /* update display driver */ |
226 |
< |
dev_flush(); /* update screen */ |
227 |
< |
} while (!beam_view(v)); /* update beam list */ |
215 |
> |
/* restore previous view? */ |
216 |
> |
if (v == NULL) { |
217 |
> |
if (nhist > 1) /* get one before last setting */ |
218 |
> |
nhist--; |
219 |
> |
else /* else go to end of list */ |
220 |
> |
while (nhist < VIEWHISTLEN && viewhist[nhist].type) |
221 |
> |
nhist++; |
222 |
> |
v = viewhist + ((nhist-1)%VIEWHISTLEN); |
223 |
> |
} else |
224 |
> |
again: |
225 |
> |
if ((err = setview(v)) != NULL) { |
226 |
> |
error(COMMAND, err); |
227 |
> |
return; |
228 |
> |
} |
229 |
> |
if (v->type == VT_PAR) { |
230 |
> |
error(COMMAND, "cannot handle parallel views"); |
231 |
> |
return; |
232 |
> |
} |
233 |
> |
if (!dev_view(v)) /* update display driver */ |
234 |
> |
goto again; |
235 |
> |
dev_flush(); /* update screen */ |
236 |
> |
if (!beam_view(v)) /* update beam list */ |
237 |
> |
goto again; |
238 |
> |
/* record new view */ |
239 |
> |
if (v < viewhist || v >= viewhist+VIEWHISTLEN) { |
240 |
> |
copystruct(viewhist + (nhist%VIEWHISTLEN), v); |
241 |
> |
nhist++; |
242 |
> |
} |
243 |
|
} |
244 |
|
|
245 |
|
|
280 |
|
case DC_GETVIEW: /* print the current view */ |
281 |
|
printview(); |
282 |
|
break; |
283 |
+ |
case DC_LASTVIEW: /* restore previous view */ |
284 |
+ |
new_view(NULL); |
285 |
+ |
break; |
286 |
|
case DC_PAUSE: /* pause the current calculation */ |
287 |
|
case DC_RESUME: /* resume the calculation */ |
288 |
|
/* handled in main() */ |
289 |
|
break; |
290 |
+ |
case DC_REDRAW: /* redraw from server */ |
291 |
+ |
imm_mode = beam_sync() > 0; |
292 |
+ |
break; |
293 |
+ |
case DC_KILL: /* kill rtrace process(es) */ |
294 |
+ |
serv_request(DR_KILL, 0, NULL); |
295 |
+ |
break; |
296 |
+ |
case DC_CLOBBER: /* clobber holodeck */ |
297 |
+ |
serv_request(DR_CLOBBER, 0, NULL); |
298 |
+ |
break; |
299 |
+ |
case DC_RESTART: /* restart rtrace */ |
300 |
+ |
serv_request(DR_RESTART, 0, NULL); |
301 |
+ |
break; |
302 |
|
case DC_QUIT: /* quit request */ |
303 |
|
serv_request(DR_SHUTDOWN, 0, NULL); |
304 |
|
break; |
355 |
|
case DS_STARTIMM: |
356 |
|
case DS_ENDIMM: |
357 |
|
imm_mode = msg.type==DS_STARTIMM; |
309 |
– |
if (msg.type == DS_ENDIMM) |
310 |
– |
dev_flush(); /* update display NOW */ |
358 |
|
/* fall through */ |
359 |
|
case DS_ACKNOW: |
360 |
|
case DS_SHUTDOWN: |