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root/Development/ray/src/hd/rhdriver.h

Comparing ray/src/hd/rhdriver.h (file contents):
Revision 3.7 by gregl, Thu Dec 11 09:34:51 1997 UTC vs.
Revision 3.8 by gregl, Thu Dec 11 16:45:59 1997 UTC

#	Line 15 | Line 15 | extern struct driver {
15		int     ifd;            /* input file descriptor (for select) */
16		} odev;                 /* our open device */
17
18	<	/* dev_input() return flags */
19	<	#define DEV_SHUTDOWN    01      /* user shutdown request */
20	<	#define DEV_NEWVIEW     02      /* view change (new view in odev.v) */
21	<	#define DEV_NEWSIZE     04      /* device resolution change */
22	<	#define DEV_WAIT        010     /* pause computation and wait for input */
23	<	#define DEV_RESUME      020     /* resume after pause */
24	<	#define DEV_REDRAW      040     /* redraw from server */
25	<	#define DEV_PUTVIEW     0100    /* print out current view */
26	<	#define DEV_LASTVIEW    0200    /* restore previous view */
18	>	/* user commands */
19	>	#define DC_SETVIEW      0               /* set the view */
20	>	#define DC_GETVIEW      1               /* print the current view */
21	>	#define DC_LASTVIEW     2               /* restore previous view */
22	>	#define DC_PAUSE        3               /* pause the current calculation */
23	>	#define DC_RESUME       4               /* resume the calculation */
24	>	#define DC_REDRAW       5               /* redraw from server */
25	>	#define DC_QUIT         6               /* quit the program */
26
27	+	#define DC_NCMDS        7               /* number of commands */
28
29	+	/* dev_input() returns flags from above */
30	+	#define DFL(dc)         (1<<(dc))
31	+
32	+	#define CTRL(c)         ((c)-'@')
33	+	/* commands entered in display window */
34	+	#define DV_INIT         {'\0','v','l','p','\r',CTRL('R'),'q'}
35	+	/* commands entered on stdin */
36	+	#define DC_INIT         {"VIEW=","where","last","pause","resume","redraw",\
37	+	"quit"}
38	+
39	+
40		/************************************************************************
41		* Driver routines (all are required):
42
#	Line 72 | Line 83 | dev_input()            : process pending display input
83
84		Called when odev struct file descriptor shows input is ready.
85		Returns flags indicating actions to take in the control process.
86	<	If the DEV_NEWVIEW or DEV_NEWSIZE flag is returned, the odev
86	>	If the DC_VIEW or DC_RESIZE flag is returned, the odev
87		structure must be updated beforehand.
88
89

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