/* * KEYS.H * UTREE key definitions. * 3.01-um klin, Sat Apr 20 11:02:33 1991 * 3.02-um klin, Sun Nov 10 19:46:21 1991, Function key handling changed * klin, Sun Nov 24 12:12:13 1991, Extensions for XENIX reported * by Rolf Gebhardt (RG 11/22/91) * 3.03-um klin, Sat Feb 11 19:52:04 1992, Line editor extended * klin, Sun Feb 23 17:34:01 1992, Key handling and key bindings * a klin, Sun Mar 15 19:08:25 1992, Bug fix in handling 8 bit chars * * Copyright (c) 1991/92 by Peter Klingebiel & UNIX Magazin Muenchen. * For copying and distribution information see the file COPYRIGHT. */ #if defined(_MAIN_) && !defined(lint) static char sccsid_keys[] = "@(#) utree 3.03a-um (klin) Mar 15 1992 keys.h"; #endif /* _MAIN_ && !lint */ /* * Return values from getline() and editline() */ #define IN_OK 1 /* Input not empty and ok */ #define IN_NUL 0 /* Input empty */ #define IN_INT -1 /* Interrupt on input */ #define IN_EOF -2 /* EOF on input */ #define IN_HLP -3 /* Help key on input */ #define IN_NXT -4 /* Next key on input */ #define IN_PRV -5 /* Previous key on input */ #define IN_SIZ -6 /* Screen size changed */ /* * Key symbols and initial bindings = return values from getkey() */ #define K_SEL 0x000a /* Select/accept line = NEWLINE */ #define K_FORW 0xff10 /* Forward character/file/directory */ #define K_BACK 0xff11 /* Backward character/file/directory */ #define K_NEXT 0xff12 /* Next listentry/file/directory */ #define K_PREV 0xff13 /* Previous listentry/file/directory */ #define K_NPAG 0xff14 /* Next page */ #define K_PPAG 0xff15 /* Previous page */ #define K_HOME 0xff16 /* Beginning line/files/directories */ #define K_END 0xff17 /* End line/files/directories */ #define K_UP 0xff18 /* Scroll up files/directories */ #define K_DOWN 0xff19 /* Scroll down or delete character */ #define K_INS 0xff20 /* Change to dir/toggle insert mode */ #define K_DEL 0xff21 /* Change to parent/delete char back */ #define K_KILL 0xff22 /* Kill line */ #define K_MARK 0xff23 /* Set mark on line/file/directory */ #define K_GOTO 0xff24 /* Goto mark on line/file/directory */ #define K_TAG 0xff25 /* Goto tagged dir/file or transpose */ #define K_HELP 0xff26 /* Help */ #define K_REFR 0xff27 /* Refresh */ #define K_CANC 0xff28 /* Cancel line */ #define K_BRK 0xff29 /* Break command/line */ #define K_EOF 0xff30 /* EOF */ #define K_STR 0xffe0 /* Insert string */ #define K_INV 0xffff /* Invalid symbol */ #define K_SIZE 0xff /* Screen size changed */ /* * All key symbol definitions are hold in an array of record type * struct _kname to permit dynamic key bindings. */ typedef unsigned short ksym; /* Type of key symbol */ typedef unsigned char kchar; /* Type of key strings */ #define UNULL ((kchar *) 0) /* The kchar NIL pointer */ typedef struct _kname { glist list; /* Contains key name and pointers */ ksym symbol; /* Key symbol (See definitions above) */ char *comment; /* Meaning of key */ } kname; #ifdef _MAIN_ kname keynames[] = { { { "SELECT", GNULL, GNULL }, K_SEL, "Select/accept line" }, { { "FORWARD", GNULL, GNULL }, K_FORW, "Forward character/file/directory" }, { { "BACKWARD", GNULL, GNULL }, K_BACK, "Backward character/file/directory" }, { { "NEXT", GNULL, GNULL }, K_NEXT, "Next string/file/directory" }, { { "PREVIOUS", GNULL, GNULL }, K_PREV, "Previous string/file/directory" }, { { "NEXTPAGE", GNULL, GNULL }, K_NPAG, "Next page/scroll forward line" }, { { "PREVPAGE", GNULL, GNULL }, K_PPAG, "Previous page/scroll backward line" }, { { "BEGIN", GNULL, GNULL }, K_HOME, "Beginning of line/files/directories" }, { { "END", GNULL, GNULL }, K_END, "End of line/files/directories" }, { { "UP", GNULL, GNULL }, K_UP, "Scroll up files/directories" }, { { "DOWN", GNULL, GNULL }, K_DOWN, "Scroll down or delete character" }, { { "INSERT", GNULL, GNULL }, K_INS, "Change to dir/toggle insert mode" }, { { "DELETE", GNULL, GNULL }, K_DEL, "Change to parent/delete char backward" }, { { "KILL", GNULL, GNULL }, K_KILL, "Kill input line", }, { { "SETMARK", GNULL, GNULL }, K_MARK, "Set mark on line/file/directory" }, { { "GOTOMARK", GNULL, GNULL }, K_GOTO, "Goto mark on line/file/directory" }, { { "GOTOTAG", GNULL, GNULL }, K_TAG, "Goto tagged dir/file or transpose" }, { { "HELP", GNULL, GNULL }, K_HELP, "Help" }, { { "REFRESH", GNULL, GNULL }, K_REFR, "Refresh screen/input line" }, { { "CANCEL", GNULL, GNULL }, K_CANC, "Delete input line" }, { { "BREAK", GNULL, GNULL }, K_BRK, "Break command/line" }, { { "EXIT", GNULL, GNULL }, K_EOF, "Exit" }, { { "\"", GNULL, GNULL }, K_STR, "Insert string" }, { { NULL } } /* End of entries */ }; #else /* ! _MAIN_ */ extern kname keynames[]; #endif /* _MAIN_ */ /* * Access to entries in the keyname list is done with macros * to hide this record and for abbreviation. */ #define KNLST(n) (&keynames[n].list) #define KNNAM(n) (keynames[n].list.string) #define KNPRV(n) (keynames[n].list.prev) #define KNNXT(n) (keynames[n].list.next) #define KNSYM(n) (keynames[n].symbol) #define KNCOM(n) (keynames[n].comment) /* * Key bindings are hold in a dynamically linked list of * record type klist. The key binding and translation list * is built up at startup time from default bindings and * user defined bindings. */ typedef struct _klist { glist list; /* Contains key name and pointers */ kchar *string; /* Key string */ ksym symbol; /* Key symbol (See defines above) */ char *insert; /* String to insert */ int userdefined; /* User defined binding */ } klist; #define KNULL ((klist *) 0) /* The klist NIL pointer */ /* * Acces to items of klist record is done with macros * to hide this record and for abbreviation. */ #define KBNAM(p) ((p)->list.string) #define KBPRV(p) ((p)->list.prev) #define KBNXT(p) ((p)->list.next) #define KBSYM(p) ((p)->symbol) #define KBSTR(p) ((p)->string) #define KBINS(p) ((p)->insert) #define KBUSR(p) ((p)->userdefined) /* Special macro for key string comparison character per character */ #define KBCHR(p, n) ((p)->string[n]) #ifdef _MAIN_ klist *kroot = KNULL; #else extern klist *kroot; #endif /* _MAIN_ */