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#include <ctype.h> |
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#ifndef VIEWHISTLEN |
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#define VIEWHISTLEN 2 /* number of remembered views */ |
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#define VIEWHISTLEN 4 /* number of remembered views */ |
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#endif |
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HOLO *hdlist[HDMAX+1]; /* global holodeck list */ |
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rdy = disp_wait(); |
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if (rdy & RDY_DEV) { /* user input from driver */ |
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inp = dev_input(); |
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if (inp & DEV_PUTVIEW) |
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printview(); |
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if (inp & DEV_NEWVIEW) |
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if (inp & DFL(DC_SETVIEW)) |
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new_view(&odev.v); |
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if (inp & DEV_LASTVIEW) |
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if (inp & DFL(DC_GETVIEW)) |
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printview(); |
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if (inp & DFL(DC_LASTVIEW)) |
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new_view(NULL); |
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if (inp & DEV_SHUTDOWN) |
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serv_request(DR_SHUTDOWN, 0, NULL); |
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if (inp & DEV_REDRAW) |
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imm_mode = beam_sync() > 0; |
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if (inp & DEV_WAIT) |
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pause = 1; |
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if (inp & DEV_RESUME) { |
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if (inp & DFL(DC_RESUME)) { |
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serv_request(DR_NOOP, 0, NULL); |
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pause = 0; |
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} |
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if (inp & DFL(DC_PAUSE)) |
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pause = 1; |
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if (inp & DFL(DC_REDRAW)) |
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imm_mode = beam_sync() > 0; |
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if (inp & DFL(DC_KILL)) { |
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serv_request(DR_KILL, 0, NULL); |
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pause = 0; |
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} |
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if (inp & DFL(DC_CLOBBER)) |
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serv_request(DR_CLOBBER, 0, NULL); |
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if (inp & DFL(DC_RESTART)) { |
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serv_request(DR_RESTART, 0, NULL); |
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pause = 0; |
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} |
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if (inp & DFL(DC_QUIT)) |
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serv_request(DR_SHUTDOWN, 0, NULL); |
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} |
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if (rdy & RDY_SIN) /* user input from sstdin */ |
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switch (usr_input()) { |
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break; |
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case DC_RESUME: |
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serv_request(DR_NOOP, 0, NULL); |
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/* fall through */ |
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case DC_KILL: |
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case DC_RESTART: |
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pause = 0; |
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break; |
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} |
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char *err; |
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/* restore previous view? */ |
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if (v == NULL) { |
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if (nhist < 2) { |
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error(COMMAND, "no previous view"); |
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return; |
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} |
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nhist--; /* get one before last setting */ |
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if (nhist > 1) /* get one before last setting */ |
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nhist--; |
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else /* else go to end of list */ |
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while (nhist < VIEWHISTLEN && viewhist[nhist].type) |
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nhist++; |
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v = viewhist + ((nhist-1)%VIEWHISTLEN); |
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} else if ((err = setview(v)) != NULL) { |
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error(COMMAND, err); |
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case DC_PAUSE: /* pause the current calculation */ |
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case DC_RESUME: /* resume the calculation */ |
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/* handled in main() */ |
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break; |
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case DC_REDRAW: /* redraw from server */ |
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imm_mode = beam_sync() > 0; |
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break; |
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case DC_KILL: /* kill rtrace process(es) */ |
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serv_request(DR_KILL, 0, NULL); |
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break; |
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case DC_CLOBBER: /* clobber holodeck */ |
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serv_request(DR_CLOBBER, 0, NULL); |
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break; |
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case DC_RESTART: /* restart rtrace */ |
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serv_request(DR_RESTART, 0, NULL); |
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break; |
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case DC_QUIT: /* quit request */ |
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serv_request(DR_SHUTDOWN, 0, NULL); |