/* $LynxId: LYKeymap.c,v 1.68 2009/01/25 18:34:57 tom Exp $ */ #include #include #include #include #include /* for LYlowest_eightbit - kw */ #include #include #include #include /* for USE_KEYMAP stuff - kw */ #include #ifdef EXP_KEYBOARD_LAYOUT #include #include #include #endif #define PUTS(buf) (*target->isa->put_block)(target, buf, (int) strlen(buf)) #ifdef EXP_KEYBOARD_LAYOUT int current_layout = 0; /* Index into LYKbLayouts[] */ LYKbLayout_t *LYKbLayouts[] = { kb_layout_rot13, kb_layout_jcuken, kb_layout_yawerty }; const char *LYKbLayoutNames[] = { "ROT13'd keyboard layout", "JCUKEN Cyrillic, for AT 101-key kbd", "YAWERTY Cyrillic, for DEC LK201 kbd", (char *) 0 }; #endif /* EXP_KEYBOARD_LAYOUT */ struct _HTStream { HTStreamClass *isa; }; /* * * Tables mapping LynxKeyCodes to LynxActionCodes * * */ /* * Lynxkeycodes include all single-byte keys as well as codes for function keys * and some special purposes. See LYStrings.h. Extended lynxkeycode values * can also contain flags for modifiers and other purposes, but here only the * base values are mapped to lynxactioncodes. They are called `keystrokes' in * lynx.cfg. * * Lynxactioncodes (confusingly, constants are named LYK_foo and typed as * LYKeymapCode) specify key `functions', see LYKeymap.h. */ /* the character gets 1 added to it before lookup, * so that EOF maps to 0 */ /* *INDENT-OFF* */ LYKeymap_t keymap[KEYMAP_SIZE] = { 0, /* EOF */ LYK_DO_NOTHING, LYK_HOME, LYK_PREV_PAGE, 0, /* nul */ /* ^A */ /* ^B */ /* ^C */ LYK_ABORT, LYK_END, LYK_NEXT_PAGE, 0, /* ^D */ /* ^E */ /* ^F */ /* ^G */ LYK_HISTORY, LYK_FASTFORW_LINK, LYK_ACTIVATE, LYK_COOKIE_JAR, /* bs */ /* ht */ /* nl */ /* ^K */ LYK_REFRESH, LYK_ACTIVATE, LYK_DOWN_TWO, 0, /* ^L */ /* cr */ /* ^N */ /* ^O */ LYK_UP_TWO, LYK_CHG_CENTER, LYK_RELOAD, LYK_TO_CLIPBOARD, /* ^P */ /* XON */ /* ^R */ /* ^S */ LYK_TRACE_TOGGLE, LYK_NEXT_DOC, LYK_SWITCH_DTD, LYK_REFRESH, /* ^T */ /* ^U */ /* ^V */ /* ^W */ #ifdef USE_CACHEJAR LYK_CACHE_JAR, 0, 0, 0, /* ^X */ /* ^Y */ /* ^Z */ /* ESC */ #else 0, 0, 0, 0, /* ^X */ /* ^Y */ /* ^Z */ /* ESC */ #endif 0, 0, 0, 0, /* ^\ */ /* ^] */ /* ^^ */ /* ^_ */ LYK_NEXT_PAGE, LYK_SHELL, LYK_SOFT_DQUOTES, LYK_TOOLBAR, /* sp */ /* ! */ /* " */ /* # */ LYK_LAST_LINK, 0, 0, LYK_HISTORICAL, /* $ */ /* % */ /* & */ /* ' */ LYK_UP_HALF, LYK_DOWN_HALF, LYK_IMAGE_TOGGLE, LYK_NEXT_PAGE, /* ( */ /* ) */ /* * */ /* + */ LYK_EXTERN_PAGE, LYK_PREV_PAGE, LYK_EXTERN_LINK, LYK_WHEREIS, /* , */ /* - */ /* . */ /* / */ LYK_F_LINK_NUM, LYK_1, LYK_2, LYK_3, /* 0 */ /* 1 */ /* 2 */ /* 3 */ LYK_4, LYK_5, LYK_6, LYK_7, /* 4 */ /* 5 */ /* 6 */ /* 7 */ LYK_8, LYK_9, LYK_COMMAND, LYK_TRACE_LOG, /* 8 */ /* 9 */ /* : */ /* ; */ LYK_UP_LINK, LYK_INFO, LYK_DOWN_LINK, LYK_HELP, /* < */ /* = */ /* > */ /* ? */ #ifndef SUPPORT_CHDIR LYK_RAW_TOGGLE, LYK_ADDRLIST, LYK_PREV_PAGE, LYK_COMMENT, /* @ */ /* A */ /* B */ /* C */ #else LYK_RAW_TOGGLE, LYK_ADDRLIST, LYK_PREV_PAGE, LYK_CHDIR, /* @ */ /* A */ /* B */ /* C */ #endif LYK_DOWNLOAD, LYK_ELGOTO, LYK_DIRED_MENU, LYK_ECGOTO, /* D */ /* E */ /* F */ /* G */ #ifdef KANJI_CODE_OVERRIDE LYK_HELP, LYK_INDEX, LYK_CHG_KCODE, LYK_KEYMAP, /* H */ /* I */ /* J */ /* K */ #else LYK_HELP, LYK_INDEX, LYK_JUMP, LYK_KEYMAP, /* H */ /* I */ /* J */ /* K */ #endif LYK_LIST, LYK_MAIN_MENU, LYK_PREV, LYK_OPTIONS, /* L */ /* M */ /* N */ /* O */ LYK_PRINT, LYK_ABORT, LYK_DEL_BOOKMARK, LYK_INDEX_SEARCH, /* P */ /* Q */ /* R */ /* S */ LYK_TAG_LINK, LYK_PREV_DOC, LYK_VLINKS, 0, /* T */ /* U */ /* V */ /* W */ LYK_NOCACHE, 0, LYK_INTERRUPT, LYK_INLINE_TOGGLE, /* X */ /* Y */ /* Z */ /* [ */ LYK_SOURCE, LYK_HEAD, LYK_FIRST_LINK, LYK_CLEAR_AUTH, /* \ */ /* ] */ /* ^ */ /* _ */ LYK_MINIMAL, LYK_ADD_BOOKMARK, LYK_PREV_PAGE, LYK_COMMENT, /* ` */ /* a */ /* b */ /* c */ LYK_DOWNLOAD, LYK_EDIT, LYK_DIRED_MENU, LYK_GOTO, /* d */ /* e */ /* f */ /* g */ LYK_HELP, LYK_INDEX, LYK_JUMP, LYK_KEYMAP, /* h */ /* i */ /* j */ /* k */ LYK_LIST, LYK_MAIN_MENU, LYK_NEXT, LYK_OPTIONS, /* l */ /* m */ /* n */ /* o */ LYK_PRINT, LYK_QUIT, LYK_DEL_BOOKMARK, LYK_INDEX_SEARCH, /* p */ /* q */ /* r */ /* s */ LYK_TAG_LINK, LYK_PREV_DOC, LYK_VIEW_BOOKMARK, 0, /* t */ /* u */ /* v */ /* w */ LYK_NOCACHE, 0, LYK_INTERRUPT, LYK_SHIFT_LEFT, /* x */ /* y */ /* z */ /* { */ LYK_LINEWRAP_TOGGLE, LYK_SHIFT_RIGHT, LYK_NESTED_TABLES, LYK_HISTORY, /* | */ /* } */ /* ~ */ /* del */ /* 80..9F (illegal ISO-8859-1) 8-bit characters. */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* A0..FF (permissible ISO-8859-1) 8-bit characters. */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 100..10F function key definitions in LYStrings.h */ LYK_PREV_LINK, LYK_NEXT_LINK, LYK_ACTIVATE, LYK_PREV_DOC, /* UPARROW */ /* DNARROW */ /* RTARROW */ /* LTARROW */ LYK_NEXT_PAGE, LYK_PREV_PAGE, LYK_HOME, LYK_END, /* PGDOWN */ /* PGUP */ /* HOME */ /* END */ #if (defined(_WINDOWS) || defined(__DJGPP__)) LYK_DWIMHELP, 0, 0, 0, /* F1*/ #else LYK_DWIMHELP, LYK_ACTIVATE, LYK_HOME, LYK_END, /* F1*/ /* Do key */ /* Find key */ /* Select key */ #endif /* _WINDOWS || __DJGPP__ */ LYK_UP_TWO, LYK_DOWN_TWO, LYK_DO_NOTHING, LYK_FASTBACKW_LINK, /* Insert key */ /* Remove key */ /* DO_NOTHING*/ /* Back tab */ /* 110..18F */ 0, 0, 0, 0, 0, 0, 0, 0, 0, LYK_DO_NOTHING, 0, 0, /* 0x11d: MOUSE_KEY */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, #ifdef DJGPP_KEYHANDLER 0, LYK_ABORT, 0, 0, /* ALT_X */ #else 0, 0, 0, 0, #endif /* DJGPP_KEYHANDLER */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 190..20F */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, #if (defined(_WINDOWS) || defined(__DJGPP__) || defined(__CYGWIN__)) && !defined(USE_SLANG) /* PDCurses */ LYK_ABORT, 0, 0, 0, /* ALT_X */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, LYK_WHEREIS, 0, /* KP_SLASH */ 0, 0, 0, LYK_IMAGE_TOGGLE, /* KP_* */ LYK_PREV_PAGE, LYK_NEXT_PAGE, 0, 0, /* KP_- */ /* KP_+ */ #else 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, #endif /* (_WINDOWS || __DJGPP__ || __CYGWIN__) && !USE_SLANG */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 210..28F */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 290...293 */ LYK_CHANGE_LINK, 0, 0, 0, }; #if defined(DIRED_SUPPORT) && defined(OK_OVERRIDE) /* * This table is used to override the standard keyboard assignments * when lynx_edit_mode is in effect and keyboard overrides have been * allowed at compile time. */ LYKeymap_t key_override[KEYMAP_SIZE] = { 0, /* EOF */ 0, 0, 0, 0, /* nul */ /* ^A */ /* ^B */ /* ^C */ 0, 0, 0, 0, /* ^D */ /* ^E */ /* ^F */ /* ^G */ 0, 0, 0, 0, /* bs */ /* ht */ /* nl */ /* ^K */ 0, 0, 0, 0, /* ^L */ /* cr */ /* ^N */ /* ^O */ 0, 0, 0, 0, /* ^P */ /* XON */ /* ^R */ /* XOFF */ 0, LYK_NEXT_DOC, 0, 0, /* ^T */ /* ^U */ /* ^V */ /* ^W */ 0, 0, 0, 0, /* ^X */ /* ^Y */ /* ^Z */ /* ESC */ 0, 0, 0, 0, /* ^\ */ /* ^] */ /* ^^ */ /* ^_ */ 0, 0, 0, 0, /* sp */ /* ! */ /* " */ /* # */ 0, 0, 0, 0, /* $ */ /* % */ /* & */ /* ' */ 0, 0, 0, 0, /* ( */ /* ) */ /* * */ /* + */ 0, 0, LYK_TAG_LINK, 0, /* , */ /* - */ /* . */ /* / */ 0, 0, 0, 0, /* 0 */ /* 1 */ /* 2 */ /* 3 */ 0, 0, 0, 0, /* 4 */ /* 5 */ /* 6 */ /* 7 */ 0, 0, 0, 0, /* 8 */ /* 9 */ /* : */ /* ; */ 0, 0, 0, 0, /* < */ /* = */ /* > */ /* ? */ #ifndef SUPPORT_CHDIR 0, 0, 0, LYK_CREATE, /* @ */ /* A */ /* B */ /* C */ #else 0, 0, 0, LYK_CHDIR, /* @ */ /* A */ /* B */ /* C */ #endif 0, 0, LYK_DIRED_MENU, 0, /* D */ /* E */ /* F */ /* G */ 0, 0, 0, 0, /* H */ /* I */ /* J */ /* K */ 0, LYK_MODIFY, 0, 0, /* L */ /* M */ /* N */ /* O */ 0, 0, LYK_REMOVE, 0, /* P */ /* Q */ /* R */ /* S */ LYK_TAG_LINK, LYK_UPLOAD, 0, 0, /* T */ /* U */ /* V */ /* W */ 0, 0, 0, 0, /* X */ /* Y */ /* Z */ /* [ */ 0, 0, 0, 0, /* \ */ /* ] */ /* ^ */ /* _ */ 0, 0, 0, LYK_CREATE, /* ` */ /* a */ /* b */ /* c */ 0, 0, LYK_DIRED_MENU, 0, /* d */ /* e */ /* f */ /* g */ 0, 0, 0, 0, /* h */ /* i */ /* j */ /* k */ 0, LYK_MODIFY, 0, 0, /* l */ /* m */ /* n */ /* o */ 0, 0, LYK_REMOVE, 0, /* p */ /* q */ /* r */ /* s */ LYK_TAG_LINK, LYK_UPLOAD, 0, 0, /* t */ /* u */ /* v */ /* w */ 0, 0, 0, 0, /* x */ /* y */ /* z */ /* { */ 0, 0, 0, 0, /* | */ /* } */ /* ~ */ /* del */ /* 80..9F (illegal ISO-8859-1) 8-bit characters. */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* A0..FF (permissible ISO-8859-1) 8-bit characters. */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 100..10F function key definitions in LYStrings.h */ 0, 0, 0, 0, /* UPARROW */ /* DNARROW */ /* RTARROW */ /* LTARROW */ 0, 0, 0, 0, /* PGDOWN */ /* PGUP */ /* HOME */ /* END */ 0, 0, 0, 0, /* F1*/ /* Do key */ /* Find key */ /* Select key */ 0, 0, LYK_DO_NOTHING, 0, /* Insert key */ /* Remove key */ /* DO_NOTHING */ /* Back tab */ /* 110..18F */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 190..20F */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 210..28F */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 290...293 */ 0, 0, 0, 0, }; #endif /* DIRED_SUPPORT && OK_OVERRIDE */ #define DATA(code, name, doc) { code, name, doc } /* The order of this array must match the LYKeymapCode enum in LYKeymap.h */ static Kcmd revmap[] = { DATA( LYK_UNKNOWN, "UNMAPPED", NULL ), DATA( LYK_COMMAND, "COMMAND", "prompt for, execute a command" ), DATA( LYK_1, "1", NULL ), DATA( LYK_2, "2", NULL ), DATA( LYK_3, "3", NULL ), DATA( LYK_4, "4", NULL ), DATA( LYK_5, "5", NULL ), DATA( LYK_6, "6", NULL ), DATA( LYK_7, "7", NULL ), DATA( LYK_8, "8", NULL ), DATA( LYK_9, "9", NULL ), DATA( LYK_SOURCE, "SOURCE", "toggle source/presentation for current document" ), DATA( LYK_RELOAD, "RELOAD", "reload the current document" ), DATA( LYK_QUIT, "QUIT", "quit the browser" ), DATA( LYK_ABORT, "ABORT", "quit the browser unconditionally" ), DATA( LYK_NEXT_PAGE, "NEXT_PAGE", "view the next page of the document" ), DATA( LYK_PREV_PAGE, "PREV_PAGE", "view the previous page of the document" ), DATA( LYK_UP_TWO, "UP_TWO", "go back two lines in the document" ), DATA( LYK_DOWN_TWO, "DOWN_TWO", "go forward two lines in the document" ), DATA( LYK_UP_HALF, "UP_HALF", "go back half a page in the document" ), DATA( LYK_DOWN_HALF, "DOWN_HALF", "go forward half a page in the document" ), DATA( LYK_REFRESH, "REFRESH", "refresh the screen to clear garbled text" ), DATA( LYK_HOME, "HOME", "go to the beginning of the current document" ), DATA( LYK_END, "END", "go to the end of the current document" ), DATA( LYK_FIRST_LINK, "FIRST_LINK", "make the first link on the line current" ), DATA( LYK_LAST_LINK, "LAST_LINK", "make the last link on the line current" ), DATA( LYK_PREV_LINK, "PREV_LINK", "make the previous link current" ), DATA( LYK_NEXT_LINK, "NEXT_LINK", "make the next link current" ), DATA( LYK_LPOS_PREV_LINK, "LPOS_PREV_LINK", "make previous link current, same column for input" ), DATA( LYK_LPOS_NEXT_LINK, "LPOS_NEXT_LINK", "make next link current, same column for input" ), DATA( LYK_FASTBACKW_LINK, "FASTBACKW_LINK", "previous link or text area, only stops on links" ), DATA( LYK_FASTFORW_LINK, "FASTFORW_LINK", "next link or text area, only stops on links" ), DATA( LYK_UP_LINK, "UP_LINK", "move up the page to a previous link" ), DATA( LYK_DOWN_LINK, "DOWN_LINK", "move down the page to another link" ), DATA( LYK_RIGHT_LINK, "RIGHT_LINK", "move right to another link" ), DATA( LYK_LEFT_LINK, "LEFT_LINK", "move left to a previous link" ), DATA( LYK_HISTORY, "HISTORY", "display stack of currently-suspended documents" ), DATA( LYK_PREV_DOC, "PREV_DOC", "go back to the previous document" ), DATA( LYK_NEXT_DOC, "NEXT_DOC", "undo going back to the previous document" ), DATA( LYK_ACTIVATE, "ACTIVATE", "go to the document given by the current link" ), DATA( LYK_SUBMIT, "MOUSE_SUBMIT", "DO NOT MAP: follow current link, submit" ), DATA( LYK_GOTO, "GOTO", "go to a document given as a URL" ), DATA( LYK_ECGOTO, "ECGOTO", "edit the current document's URL and go to it" ), DATA( LYK_HELP, "HELP", "display help on using the browser" ), DATA( LYK_DWIMHELP, "DWIMHELP", "display help page that may depend on context" ), DATA( LYK_INDEX, "INDEX", "display an index of potentially useful documents" ), DATA( LYK_NOCACHE, "NOCACHE", "force submission of form or link with no-cache" ), DATA( LYK_INTERRUPT, "INTERRUPT", "interrupt network connection or transmission" ), DATA( LYK_MAIN_MENU, "MAIN_MENU", "return to the first screen (home page)" ), DATA( LYK_OPTIONS, "OPTIONS", "display and change option settings" ), DATA( LYK_INDEX_SEARCH, "INDEX_SEARCH", "allow searching of an index" ), DATA( LYK_WHEREIS, "WHEREIS", "search within the current document" ), DATA( LYK_PREV, "PREV", "search for the previous occurence" ), DATA( LYK_NEXT, "NEXT", "search for the next occurence" ), DATA( LYK_COMMENT, "COMMENT", "send a comment to the author of the current document" ), DATA( LYK_EDIT, "EDIT", "edit the current document or a form's textarea" ), DATA( LYK_INFO, "INFO", "display information on the current document and link" ), DATA( LYK_PRINT, "PRINT", "display choices for printing the current document" ), DATA( LYK_ADD_BOOKMARK, "ADD_BOOKMARK", "add to your personal bookmark list" ), DATA( LYK_DEL_BOOKMARK, "DEL_BOOKMARK", "delete from your personal bookmark list" ), DATA( LYK_VIEW_BOOKMARK, "VIEW_BOOKMARK", "view your personal bookmark list" ), DATA( LYK_VLINKS, "VLINKS", "list links visited during the current Lynx session" ), DATA( LYK_SHELL, "SHELL", "escape from the browser to the system" ), DATA( LYK_DOWNLOAD, "DOWNLOAD", "download the current link to your computer" ), DATA( LYK_TRACE_TOGGLE, "TRACE_TOGGLE", "toggle tracing of browser operations" ), DATA( LYK_TRACE_LOG, "TRACE_LOG", "view trace log if started in the current session" ), DATA( LYK_IMAGE_TOGGLE, "IMAGE_TOGGLE", "toggle handling of all images as links" ), DATA( LYK_INLINE_TOGGLE, "INLINE_TOGGLE", "toggle pseudo-ALTs for inlines with no ALT string" ), DATA( LYK_HEAD, "HEAD", "send a HEAD request for the current document or link" ), DATA( LYK_DO_NOTHING, "DO_NOTHING", NULL ), DATA( LYK_TOGGLE_HELP, "TOGGLE_HELP", "show other commands in the novice help menu" ), DATA( LYK_JUMP, "JUMP", "go directly to a target document or action" ), DATA( LYK_KEYMAP, "KEYMAP", "display the current key map" ), DATA( LYK_LIST, "LIST", "list the references (links) in the current document" ), DATA( LYK_TOOLBAR, "TOOLBAR", "go to Toolbar or Banner in the current document" ), DATA( LYK_HISTORICAL, "HISTORICAL", "toggle historical vs. valid/minimal comment parsing" ), DATA( LYK_MINIMAL, "MINIMAL", "toggle minimal vs. valid comment parsing" ), DATA( LYK_SOFT_DQUOTES, "SOFT_DQUOTES", "toggle valid vs. soft double-quote parsing" ), DATA( LYK_RAW_TOGGLE, "RAW_TOGGLE", "toggle raw 8-bit translations or CJK mode ON or OFF" ), DATA( LYK_COOKIE_JAR, "COOKIE_JAR", "examine the Cookie Jar" ), DATA( LYK_F_LINK_NUM, "F_LINK_NUM", "invoke the 'Follow link (or page) number:' prompt" ), DATA( LYK_CLEAR_AUTH, "CLEAR_AUTH", "clear all authorization info for this session" ), DATA( LYK_SWITCH_DTD, "SWITCH_DTD", "switch between two ways of parsing HTML" ), DATA( LYK_ELGOTO, "ELGOTO", "edit the current link's URL or ACTION and go to it" ), DATA( LYK_CHANGE_LINK, "CHANGE_LINK", "force reset of the current link on the page" ), DATA( LYK_DWIMEDIT, "DWIMEDIT", "use external editor for context-dependent purpose" ), DATA( LYK_EDIT_TEXTAREA, "EDITTEXTAREA", "use an external editor to edit a form's textarea" ), DATA( LYK_GROW_TEXTAREA, "GROWTEXTAREA", "add 5 new blank lines to the bottom of a textarea" ), DATA( LYK_INSERT_FILE, "INSERTFILE", "insert file into a textarea (just above cursorline)" ), #ifdef EXP_ADDRLIST_PAGE DATA( LYK_ADDRLIST, "ADDRLIST", "like LIST command, but always shows the links' URLs" ), #endif #ifdef USE_EXTERNALS DATA( LYK_EXTERN_LINK, "EXTERN_LINK", "run external program with current link" ), DATA( LYK_EXTERN_PAGE, "EXTERN_PAGE", "run external program with current page" ), #endif #ifdef VMS DATA( LYK_DIRED_MENU, "DIRED_MENU", "invoke File/Directory Manager, if available" ), #else #ifdef DIRED_SUPPORT DATA( LYK_DIRED_MENU, "DIRED_MENU", "display a full menu of file operations" ), DATA( LYK_CREATE, "CREATE", "create a new file or directory" ), DATA( LYK_REMOVE, "REMOVE", "remove a file or directory" ), DATA( LYK_MODIFY, "MODIFY", "modify the name or location of a file or directory" ), DATA( LYK_TAG_LINK, "TAG_LINK", "tag a file or directory for later action" ), DATA( LYK_UPLOAD, "UPLOAD", "upload from your computer to the current directory" ), DATA( LYK_INSTALL, "INSTALL", "install file or tagged files into a system area" ), #endif /* DIRED_SUPPORT */ DATA( LYK_CHG_CENTER, "CHANGE_CENTER", "toggle center alignment in HTML TABLE" ), #ifdef KANJI_CODE_OVERRIDE DATA( LYK_CHG_KCODE, "CHANGE_KCODE", "Change Kanji code" ), #endif #endif /* VMS */ #ifdef SUPPORT_CHDIR DATA( LYK_CHDIR, "CHDIR", "change current directory" ), #endif #ifdef USE_CURSES_PADS DATA( LYK_SHIFT_LEFT, "SHIFT_LEFT", "shift the screen left" ), DATA( LYK_SHIFT_RIGHT, "SHIFT_RIGHT", "shift the screen right" ), DATA( LYK_LINEWRAP_TOGGLE, "LINEWRAP_TOGGLE", "toggle linewrap on/off" ), #endif #ifdef CAN_CUT_AND_PASTE DATA( LYK_PASTE_URL, "PASTE_URL", "Goto the URL in the clipboard" ), DATA( LYK_TO_CLIPBOARD, "TO_CLIPBOARD", "link's URL to Clip Board" ), #endif #ifdef EXP_NESTED_TABLES DATA( LYK_NESTED_TABLES, "NESTED_TABLES", "toggle nested-table parsing on/off" ), #endif #ifdef USE_CACHEJAR DATA( LYK_CACHE_JAR, "CACHE_JAR", "examine list of cached documents" ), #endif DATA( LYK_UNKNOWN, NULL, "" ) }; #undef DATA static const struct { int key; const char *name; } named_keys[] = { { '\t', "" }, { '\r', "" }, { CH_ESC, "ESC" }, { ' ', "" }, { '<', "<" }, { '>', ">" }, { CH_DEL, "" }, { UPARROW, "Up Arrow" }, { DNARROW, "Down Arrow" }, { RTARROW, "Right Arrow" }, { LTARROW, "Left Arrow" }, { PGDOWN, "Page Down" }, { PGUP, "Page Up" }, { HOME, "Home" }, { END_KEY, "End" }, { F1, "F1" }, { DO_KEY, "Do key" }, { FIND_KEY, "Find key" }, { SELECT_KEY, "Select key" }, { INSERT_KEY, "Insert key" }, { REMOVE_KEY, "Remove key" }, { DO_NOTHING, "(DO_NOTHING)" }, { BACKTAB_KEY, "Back Tab" }, { MOUSE_KEY, "mouse pseudo key" }, }; struct emap { const char *name; const int code; const char *descr; }; static struct emap ekmap[] = { {"NOP", LYE_NOP, "Do Nothing"}, {"CHAR", LYE_CHAR, "Insert printable char"}, {"ENTER", LYE_ENTER, "Input complete, return char/lynxkeycode"}, {"TAB", LYE_TAB, "Input complete, return TAB"}, {"STOP", LYE_STOP, "Input deactivated"}, {"ABORT", LYE_ABORT, "Input cancelled"}, {"PASS", LYE_FORM_PASS, "In fields: input complete, or Do Nothing"}, {"DELN", LYE_DELN, "Delete next/curr char"}, {"DELP", LYE_DELP, "Delete prev char"}, {"DELNW", LYE_DELNW, "Delete next word"}, {"DELPW", LYE_DELPW, "Delete prev word"}, {"ERASE", LYE_ERASE, "Erase the line"}, {"BOL", LYE_BOL, "Go to begin of line"}, {"EOL", LYE_EOL, "Go to end of line"}, {"FORW", LYE_FORW, "Cursor forwards"}, {"FORW_RL", LYE_FORW_RL, "Cursor forwards or right link"}, {"BACK", LYE_BACK, "Cursor backwards"}, {"BACK_LL", LYE_BACK_LL, "Cursor backwards or left link"}, {"FORWW", LYE_FORWW, "Word forward"}, {"BACKW", LYE_BACKW, "Word back"}, {"LOWER", LYE_LOWER, "Lower case the line"}, {"UPPER", LYE_UPPER, "Upper case the line"}, {"LKCMD", LYE_LKCMD, "Invoke command prompt"}, {"AIX", LYE_AIX, "Hex 97"}, {"DELBL", LYE_DELBL, "Delete back to BOL"}, {"DELEL", LYE_DELEL, "Delete thru EOL"}, {"SWMAP", LYE_SWMAP, "Switch input keymap"}, {"TPOS", LYE_TPOS, "Transpose characters"}, {"SETM1", LYE_SETM1, "Set modifier 1 flag"}, {"SETM2", LYE_SETM2, "Set modifier 2 flag"}, {"UNMOD", LYE_UNMOD, "Fall back to no-modifier command"}, {"C1CHAR", LYE_C1CHAR, "Insert C1 char if printable"}, {"SETMARK", LYE_SETMARK, "emacs-like set-mark-command"}, {"XPMARK", LYE_XPMARK, "emacs-like exchange-point-and-mark"}, {"KILLREG", LYE_KILLREG, "emacs-like kill-region"}, {"YANK", LYE_YANK, "emacs-like yank"}, #ifdef CAN_CUT_AND_PASTE {"PASTE", LYE_PASTE, "ClipBoard to Lynx"}, #endif }; /* *INDENT-ON* */ /* * Build a list of Lynx's commands, for use in the tab-completion in LYgetstr. */ HTList *LYcommandList(void) { static HTList *myList = NULL; if (myList == NULL) { unsigned j; myList = HTList_new(); for (j = 0; revmap[j].name != 0; j++) { if (revmap[j].doc != 0) { char *data = NULL; StrAllocCopy(data, revmap[j].name); HTList_addObject(myList, data); } } } return myList; } /* * Find the given keycode. */ Kcmd *LYKeycodeToKcmd(LYKeymapCode code) { unsigned j; Kcmd *result = 0; if (code > LYK_UNKNOWN) { for (j = 0; revmap[j].name != 0; j++) { if (revmap[j].code == code) { result = revmap + j; break; } } } return result; } /* * Find the given command-name, accepting an abbreviation if it is unique. */ Kcmd *LYStringToKcmd(const char *name) { unsigned need = strlen(name); unsigned j; BOOL exact = FALSE; Kcmd *result = 0; Kcmd *maybe = 0; if (non_empty(name)) { for (j = 0; revmap[j].name != 0; j++) { if (!strcasecomp(revmap[j].name, name)) { result = revmap + j; break; } else if (!exact && !strncasecomp(revmap[j].name, name, (int) need)) { if (maybe == 0) { maybe = revmap + j; } else { if (revmap[j].name[need] != 0 && maybe->name[need] != 0) { maybe = 0; exact = TRUE; } } } } } return (result != 0) ? result : maybe; } char *LYKeycodeToString(int c, BOOLEAN upper8) { static char buf[30]; unsigned n; BOOLEAN named = FALSE; for (n = 0; n < TABLESIZE(named_keys); n++) { if (named_keys[n].key == c) { named = TRUE; strcpy(buf, named_keys[n].name); break; } } if (!named) { if (c <= 0377 && TOASCII(c) > TOASCII(' ') && TOASCII(c) < 0177) sprintf(buf, "%c", c); else if (upper8 && TOASCII(c) > TOASCII(' ') && c <= 0377 && c <= LYlowest_eightbit[current_char_set]) sprintf(buf, "%c", c); else if (TOASCII(c) < TOASCII(' ')) sprintf(buf, "^%c", FROMASCII(TOASCII(c) | 0100)); else if (c >= 0400) sprintf(buf, "key-0x%x", c); else sprintf(buf, "0x%x", c); } return buf; } int LYStringToKeycode(char *src) { unsigned n; int key = -1; int len = (int) strlen(src); if (len == 1) { key = *src; } else if (len == 2 && *src == '^') { key = src[1] & 0x1f; } else if (len > 2 && !strncasecomp(src, "0x", 2)) { char *dst = 0; key = strtol(src, &dst, 0); if (!isEmpty(dst)) key = -1; } else if (len > 6 && !strncasecomp(src, "key-", 4)) { char *dst = 0; key = strtol(src + 4, &dst, 0); if (isEmpty(dst)) key = -1; } if (key < 0) { for (n = 0; n < TABLESIZE(named_keys); n++) { if (!strcasecomp(named_keys[n].name, src)) { key = named_keys[n].key; break; } } } return key; } #define PRETTY_LEN 11 static char *pretty_html(int c) { char *src = LYKeycodeToString(c, TRUE); if (src != 0) { /* *INDENT-OFF* */ static const struct { int code; const char *name; } table[] = { { '<', "<" }, { '>', ">" }, { '"', """ }, { '&', "&" } }; /* *INDENT-ON* */ static char buf[30]; char *dst = buf; int adj = 0; unsigned n; BOOLEAN found; while ((c = *src++) != 0) { found = FALSE; for (n = 0; n < TABLESIZE(table); n++) { if (c == table[n].code) { found = TRUE; strcpy(dst, table[n].name); adj += (int) strlen(dst) - 1; dst += (int) strlen(dst); break; } } if (!found) { *dst++ = (char) c; } } adj -= (dst - buf) - PRETTY_LEN; while (adj-- > 0) *dst++ = ' '; *dst = 0; return buf; } return 0; } static char *format_binding(LYKeymap_t * table, int i) { LYKeymapCode the_key = (LYKeymapCode) table[i]; char *buf = 0; char *formatted; Kcmd *rmap = LYKeycodeToKcmd(the_key); if (rmap != 0 && rmap->name != 0 && rmap->doc != 0 && (formatted = pretty_html(i - 1)) != 0) { HTSprintf0(&buf, "%-*s %-13s %s\n", PRETTY_LEN, formatted, rmap->name, rmap->doc); return buf; } return 0; } /* if both is true, produce an additional line for the corresponding uppercase key if its binding is different. - kw */ static void print_binding(HTStream *target, int i, BOOLEAN both) { char *buf; LYKeymapCode lac1 = LYK_UNKNOWN; /* 0 */ #if defined(DIRED_SUPPORT) && defined(OK_OVERRIDE) if (prev_lynx_edit_mode && !no_dired_support && (lac1 = (LYKeymapCode) key_override[i]) != LYK_UNKNOWN) { if ((buf = format_binding(key_override, i)) != 0) { PUTS(buf); FREE(buf); } } else #endif /* DIRED_SUPPORT && OK_OVERRIDE */ if ((buf = format_binding(keymap, i)) != 0) { lac1 = (LYKeymapCode) keymap[i]; PUTS(buf); FREE(buf); } if (!both) return; i -= ' '; /* corresponding uppercase key */ #if defined(DIRED_SUPPORT) && defined(OK_OVERRIDE) if (prev_lynx_edit_mode && !no_dired_support && key_override[i]) { if (key_override[i] != lac1 && (buf = format_binding(key_override, i)) != 0) { PUTS(buf); FREE(buf); } } else #endif /* DIRED_SUPPORT && OK_OVERRIDE */ if (keymap[i] != lac1 && (buf = format_binding(keymap, i)) != 0) { PUTS(buf); FREE(buf); } } /* * Return lynxactioncode whose name is the string func. returns -1 if not * found. - kw */ int lacname_to_lac(const char *func) { Kcmd *mp = LYStringToKcmd(func); return (mp != 0) ? (int) mp->code : -1; } /* * Return editactioncode whose name is the string func. func must be present * in the ekmap table. returns -1 if not found. - kw */ int lecname_to_lec(const char *func) { int i; struct emap *mp; if (non_empty(func)) { for (i = 0, mp = ekmap; (*mp).name != NULL; mp++, i++) { if (strcmp((*mp).name, func) == 0) { return (*mp).code; } } } return (-1); } /* * Return lynxkeycode represented by string src. returns -1 if not valid. * * This is simpler than what map_string_to_keysym() does for USE_KEYMAP, but * compatible with revmap() used for processing KEYMAP options in the * configuration file. - kw */ int lkcstring_to_lkc(const char *src) { int c = -1; if (strlen(src) == 1) c = *src; else if (strlen(src) == 2 && *src == '^') c = src[1] & 037; else if (strlen(src) >= 2 && isdigit(UCH(*src))) { if (sscanf(src, "%d", &c) != 1) return (-1); #ifdef USE_KEYMAPS } else { map_string_to_keysym(src, &c); #ifndef USE_SLANG if (c >= 0) { if ((c & LKC_MASK) > 255 && !(c & LKC_ISLKC)) return (-1); /* Don't accept untranslated curses KEY_* */ else c &= ~LKC_ISLKC; } #endif #endif } if (c == CH_ESC) escape_bound = 1; if (c < -1) return (-1); else return c; } static int LYLoadKeymap(const char *arg GCC_UNUSED, HTParentAnchor *anAnchor, HTFormat format_out, HTStream *sink) { HTFormat format_in = WWW_HTML; HTStream *target; char *buf = 0; int i; /* * Set up the stream. - FM */ target = HTStreamStack(format_in, format_out, sink, anAnchor); if (!target || target == NULL) { HTSprintf0(&buf, CANNOT_CONVERT_I_TO_O, HTAtom_name(format_in), HTAtom_name(format_out)); HTAlert(buf); FREE(buf); return (HT_NOT_LOADED); } anAnchor->no_cache = TRUE; HTSprintf0(&buf, "\n\n%s\n\n\n", CURRENT_KEYMAP_TITLE); PUTS(buf); HTSprintf0(&buf, "
\n");
    PUTS(buf);

    for (i = 'a' + 1; i <= 'z' + 1; i++) {
	print_binding(target, i, TRUE);
    }
    for (i = 1; i < KEYMAP_SIZE; i++) {
	/*
	 * Don't show CHANGE_LINK if mouse not enabled.
	 */
	if ((i >= 0200 || i <= ' ' || !isalpha(i - 1)) &&
	    (LYUseMouse || (keymap[i] != LYK_CHANGE_LINK))) {
	    print_binding(target, i, FALSE);
	}
    }

    HTSprintf0(&buf, "
\n\n\n"); PUTS(buf); (*target->isa->_free) (target); FREE(buf); return (HT_LOADED); } #ifdef GLOBALDEF_IS_MACRO #define _LYKEYMAP_C_GLOBALDEF_1_INIT { "LYNXKEYMAP", LYLoadKeymap, 0} GLOBALDEF(HTProtocol, LYLynxKeymap, _LYKEYMAP_C_GLOBALDEF_1_INIT); #else GLOBALDEF HTProtocol LYLynxKeymap = {"LYNXKEYMAP", LYLoadKeymap, 0}; #endif /* GLOBALDEF_IS_MACRO */ /* * Install func as the mapping for key. * If for_dired is TRUE, install it in the key_override[] table * for Dired mode, otherwise in the general keymap[] table. * If DIRED_SUPPORT or OK_OVERRIDE is not defined, don't do anything * when for_dired is requested. * returns lynxkeycode value != 0 if the mapping was made, 0 if not. */ int remap(char *key, const char *func, BOOLEAN for_dired) { Kcmd *mp; int c; #if !defined(DIRED_SUPPORT) || !defined(OK_OVERRIDE) if (for_dired) return 0; #endif if (func == NULL) return 0; c = lkcstring_to_lkc(key); if (c <= -1) return 0; else if (c >= 0) { /* Remapping of key actions is supported only for basic * lynxkeycodes, without modifiers etc.! If we get somehow * called for an invalid lynxkeycode, fail or silently ignore * modifiers. - kw */ if (c & (LKC_ISLECLAC | LKC_ISLAC)) return 0; if ((c & LKC_MASK) != c) c &= LKC_MASK; } if (c + 1 >= KEYMAP_SIZE) return 0; if ((mp = LYStringToKcmd(func)) != 0) { #if defined(DIRED_SUPPORT) && defined(OK_OVERRIDE) if (for_dired) key_override[c + 1] = mp->code; else #endif keymap[c + 1] = (LYKeymap_t) mp->code; return (c ? c : (int) LAC_TO_LKC0(mp->code)); /* don't return 0, successful */ } return 0; } typedef struct { int code; LYKeymap_t map; LYKeymap_t save; } ANY_KEYS; /* * Save the given keys in the table, setting them to the map'd value. */ static void set_any_keys(ANY_KEYS * table, int size) { int j, k; for (j = 0; j < size; ++j) { k = table[j].code + 1; table[j].save = keymap[k]; keymap[k] = table[j].map; } } /* * Restore the given keys from the table. */ static void reset_any_keys(ANY_KEYS * table, int size) { int j, k; for (j = 0; j < size; ++j) { k = table[j].code + 1; keymap[k] = table[j].save; } } static ANY_KEYS vms_keys_table[] = { {26, LYK_ABORT, 0}, /* control-Z */ {'$', LYK_SHELL, 0}, }; void set_vms_keys(void) { set_any_keys(vms_keys_table, TABLESIZE(vms_keys_table)); } static ANY_KEYS vi_keys_table[] = { {'h', LYK_PREV_DOC, 0}, {'j', LYK_NEXT_LINK, 0}, {'k', LYK_PREV_LINK, 0}, {'l', LYK_ACTIVATE, 0}, }; static BOOLEAN did_vi_keys; void set_vi_keys(void) { set_any_keys(vi_keys_table, TABLESIZE(vi_keys_table)); did_vi_keys = TRUE; } void reset_vi_keys(void) { if (did_vi_keys) { reset_any_keys(vi_keys_table, TABLESIZE(vi_keys_table)); did_vi_keys = FALSE; } } static ANY_KEYS emacs_keys_table[] = { {2, LYK_PREV_DOC, 0}, /* ^B */ {14, LYK_NEXT_LINK, 0}, /* ^N */ {16, LYK_PREV_LINK, 0}, /* ^P */ {6, LYK_ACTIVATE, 0}, /* ^F */ }; static BOOLEAN did_emacs_keys; void set_emacs_keys(void) { set_any_keys(emacs_keys_table, TABLESIZE(emacs_keys_table)); did_emacs_keys = TRUE; } void reset_emacs_keys(void) { if (did_emacs_keys) { reset_any_keys(emacs_keys_table, TABLESIZE(emacs_keys_table)); did_emacs_keys = FALSE; } } /* * Map numbers to functions as labeled on the IBM Enhanced keypad, and save * their original mapping for reset_numbers_as_arrows(). - FM */ static ANY_KEYS number_keys_table[] = { {'1', LYK_END, 0}, {'2', LYK_NEXT_LINK, 0}, {'3', LYK_NEXT_PAGE, 0}, {'4', LYK_PREV_DOC, 0}, {'5', LYK_DO_NOTHING, 0}, {'6', LYK_ACTIVATE, 0}, {'7', LYK_HOME, 0}, {'8', LYK_PREV_LINK, 0}, {'9', LYK_PREV_PAGE, 0}, }; static BOOLEAN did_number_keys; void set_numbers_as_arrows(void) { set_any_keys(number_keys_table, TABLESIZE(number_keys_table)); did_number_keys = TRUE; } void reset_numbers_as_arrows(void) { if (did_number_keys) { reset_any_keys(number_keys_table, TABLESIZE(number_keys_table)); did_number_keys = FALSE; } } char *key_for_func(int func) { static char *buf; int i; char *formatted; if ((i = LYReverseKeymap(func)) >= 0) { formatted = LYKeycodeToString(i, TRUE); StrAllocCopy(buf, formatted != 0 ? formatted : "?"); } else if (buf == 0) { StrAllocCopy(buf, ""); } return buf; } /* * Given one or two keys as lynxkeycodes, returns an allocated string * representing the key(s) suitable for statusline messages, or NULL if no * valid lynxkeycode is passed in (i.e., lkc_first < 0 or some other failure). * The caller must free the string. - kw */ char *fmt_keys(int lkc_first, int lkc_second) { char *buf = NULL; BOOLEAN quotes = FALSE; char *fmt_first; char *fmt_second; if (lkc_first < 0) return NULL; fmt_first = LYKeycodeToString(lkc_first, TRUE); if (fmt_first && strlen(fmt_first) == 1 && *fmt_first != '\'') { quotes = TRUE; } if (quotes) { if (lkc_second < 0) { HTSprintf0(&buf, "'%s'", fmt_first); return buf; } else { HTSprintf0(&buf, "'%s", fmt_first); } } else { StrAllocCopy(buf, fmt_first); } if (lkc_second >= 0) { fmt_second = LYKeycodeToString(lkc_second, TRUE); if (!fmt_second) { FREE(buf); return NULL; } HTSprintf(&buf, "%s%s%s", (((strlen(fmt_second) > 2 && *fmt_second != '<') || (strlen(buf) > 2 && buf[strlen(buf) - 1] != '>')) ? " " : ""), fmt_second, quotes ? "'" : ""); } return buf; } /* * This function returns the (int)ch mapped to the LYK_foo value passed to it * as an argument. It is like LYReverseKeymap, only the order of search is * different; e.g., small ASCII letters will be returned in preference to * capital ones. Cf. LYKeyForEditAction, LYEditKeyForAction in LYEditmap.c * which use the same order to find a best key. In addition, this function * takes the dired override map into account while LYReverseKeymap doesn't. * The caller must free the returned string. - kw */ #define FIRST_I 97 #define NEXT_I(i,imax) ((i==122) ? 32 : (i==96) ? 123 : (i==126) ? 0 :\ (i==31) ? 256 : (i==imax) ? 127 :\ (i==255) ? (-1) :i+1) static int best_reverse_keymap(int lac) { int i, c; for (i = FIRST_I; i >= 0; i = NEXT_I(i, KEYMAP_SIZE - 2)) { #ifdef NOT_ASCII if (i < 256) { c = FROMASCII(i); } else #endif c = i; #if defined(DIRED_SUPPORT) && defined(OK_OVERRIDE) if (lynx_edit_mode && !no_dired_support && lac && LKC_TO_LAC(key_override, c) == lac) return c; #endif /* DIRED_SUPPORT && OK_OVERRIDE */ if (LKC_TO_LAC(keymap, c) == lac) { return c; } } return (-1); } /* * This function returns a string representing a key mapped to a LYK_foo * function, or NULL if not found. The string may represent a pair of keys. * if context_code is FOR_INPUT, an appropriate binding for use while in the * (forms) line editor is sought. - kw */ char *key_for_func_ext(int lac, int context_code) { int lkc, modkey = -1; if (context_code == FOR_INPUT) { lkc = LYEditKeyForAction(lac, &modkey); if (lkc >= 0) { if (lkc & (LKC_MOD1 | LKC_MOD2 | LKC_MOD3)) { return fmt_keys(modkey, lkc & ~(LKC_MOD1 | LKC_MOD2 | LKC_MOD3)); } else { return fmt_keys(lkc, -1); } } } lkc = best_reverse_keymap(lac); if (lkc < 0) return NULL; if (context_code == FOR_INPUT) { modkey = LYKeyForEditAction(LYE_LKCMD); if (modkey < 0) return NULL; return fmt_keys(modkey, lkc); } else { return fmt_keys(lkc, -1); } } /* * This function returns TRUE if the ch is non-alphanumeric and maps to KeyName * (LYK_foo in the keymap[] array). - FM */ BOOLEAN LYisNonAlnumKeyname(int ch, int KeyName) { if (ch < 0 || ch >= KEYMAP_SIZE) return (FALSE); if (ch > 0 && strchr("0123456789\ ABCDEFGHIJKLMNOPQRSTUVWXYZ\ abcdefghijklmnopqrstuvwxyz", ch) != NULL) return (FALSE); return (BOOL) (keymap[ch + 1] == KeyName); } /* * This function returns the (int)ch mapped to the LYK_foo value passed to it * as an argument. - FM */ int LYReverseKeymap(int KeyName) { int i; for (i = 1; i < KEYMAP_SIZE; i++) { if (keymap[i] == KeyName) { return (i - 1); } } return (-1); } #ifdef EXP_KEYBOARD_LAYOUT int LYSetKbLayout(char *layout_id) { int i; for (i = 0; i < (int) TABLESIZE(LYKbLayoutNames) - 1; i++) { if (!strcmp(LYKbLayoutNames[i], layout_id)) { current_layout = i; return (-1); } } return 0; } #endif