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/* Copyright (c) 1987 Regents of the University of California */ |
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/* SCCSid "$SunId$ LBL" */ |
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/* RCSid $Id$ */ |
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/* |
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* driver.h - header file for interactive device drivers. |
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* |
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* 2/2/87 |
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*/ |
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#ifndef _RAD_DRIVER_H_ |
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#define _RAD_DRIVER_H_ |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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struct driver { /* driver functions */ |
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int (*close)(); /* close device */ |
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int (*clear)(); /* clear device */ |
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int (*paintr)(); /* paint rectangle */ |
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void (*close)(); /* close device */ |
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void (*clear)(); /* clear device */ |
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void (*paintr)(); /* paint rectangle */ |
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int (*getcur)(); /* get cursor position */ |
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int (*comout)(); /* command line output */ |
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int (*comin)(); /* command line input */ |
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int (*flush)(); /* flush output */ |
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void (*comout)(); /* command line output */ |
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void (*comin)(); /* command line input */ |
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void (*flush)(); /* flush output */ |
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double pixaspect; /* pixel aspect ratio */ |
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int xsiz, ysiz; /* device size */ |
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int inpready; /* input ready on device */ |
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}; |
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extern int stderr_v(); /* error vectors */ |
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extern int (*wrnvec)(), (*errvec)(), (*cmdvec)(); |
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extern struct driver *comm_init(); /* stream interface */ |
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/* magic numbers for verification */ |
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#define COM_SENDM 0x6f37 |
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#define COM_RECVM 0x51da |
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struct driver *(*init)(); /* initialize device */ |
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} devtable[]; /* supported devices */ |
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extern char dev_default[]; /* default device name */ |
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#define MB1 ('\n') /* mouse button 1 */ |
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#define MB2 ('\r') /* mouse button 2 */ |
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#define MB3 (' ') /* mouse button 3 */ |
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* The name string identifies the driver, |
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* and the id string identifies the client. |
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* A device can be open by at most one client. |
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* Be verbose in error reports; call stderr_v(). |
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* If device has its own error output, set errvec, |
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* cmdvec and wrnvec. |
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* Be verbose in error reports; call eputs(). |
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* If device has its own error output, set erract. |
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* } |
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* (*dev->close)() |
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* { |
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* assuming the in buffer is big enough. Unless prompt is NULL, |
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* the driver may substitute its own rview command. This is |
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* the most reliable way to repaint areas of the screen. |
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* If the user enters an unrecognized control character is entered, |
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* If the user enters an unrecognized control character, |
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* terminate input and return the string with only that character. |
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* The input string should not contain a newline. The routines in |
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* editline.c may be useful. Comin must work in consort with comout. |
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* when characters are ready on the input. (Often easiest |
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* to check for input during calls to paintr.) |
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*/ |
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/* defined in editline.c */ |
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extern void editline(char *buf, int (*c_get)(), void (*s_put)()); |
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extern void tocombuf(char *b, struct driver *d); |
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extern int fromcombuf(char *b, struct driver *d); |
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/* defined in devcomm.c */ |
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extern struct driver *slave_init(char *dname, char *id); |
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extern struct driver *comm_init(char *dname, char *id); |
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/* defined in colortab.c */ |
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extern int new_ctab(int ncolors); |
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extern int get_pixel(COLOR col, void (*set_pixel)()); |
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extern void make_gmap(double gam); |
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extern void set_cmap(BYTE *rmap, BYTE *gmap, BYTE *bmap); |
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extern void map_color(BYTE rgb[3], COLOR col); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _RAD_DRIVER_H_ */ |
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