#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef USE_MOUSE #include #endif #ifdef DJGPP_KEYHANDLER #include #include #endif /* DJGPP_KEYHANDLER */ #ifdef USE_COLOR_STYLE #include #include #endif #ifdef USE_SCROLLBAR #include #endif #ifdef EXP_CMD_LOGGING #include #endif #include #include #if defined(WIN_EX) #undef BUTTON_CTRL #define BUTTON_CTRL 0 /* Quick hack */ #endif /* * The edit_history lists allow the user to press tab when entering URL to get * the closest match in the closet */ #define LYClosetSize 100 static HTList *URL_edit_history; static HTList *MAIL_edit_history; /* If you want to add mouse support for some new platform, it's fairly ** simple to do. Once you've determined the X and Y coordinates of ** the mouse event, loop through the elements in the links[] array and ** see if the coordinates fall within a highlighted link area. If so, ** the code must set mouse_link to the index of the chosen link, ** and return a key value that corresponds to LYK_ACTIVATE. The ** LYK_ACTIVATE code in LYMainLoop.c will then check mouse_link ** and activate that link. If the mouse event didn't fall within a ** link, the code should just set mouse_link to -1 and return -1. --AMK **/ /* The number of the link selected w/ the mouse (-1 if none) */ static int mouse_link = -1; static int have_levent; #if defined(USE_MOUSE) && defined(NCURSES) static MEVENT levent; #endif /* Return the value of mouse_link */ PUBLIC int peek_mouse_levent NOARGS { #if defined(USE_MOUSE) && defined(NCURSES) if (have_levent > 0) { ungetmouse(&levent); have_levent--; return 1; } #endif return 0; } /* Return the value of mouse_link, erasing it */ PUBLIC int get_mouse_link NOARGS { int t; t = mouse_link; mouse_link = -1; if (t < 0) t = -1; /* Backward compatibility. */ return t; } /* Return the value of mouse_link */ PUBLIC int peek_mouse_link NOARGS { return mouse_link; } PUBLIC int fancy_mouse ARGS3( WINDOW *, win, int, row, int *, position) { int cmd = LYK_DO_NOTHING; #ifdef USE_MOUSE /*********************************************************************/ #if defined(WIN_EX) && defined(PDCURSES) request_mouse_pos(); if (BUTTON_STATUS(1) && (MOUSE_X_POS >= getbegx(win) && (MOUSE_X_POS < (getbegx(win) + getmaxx(win))))) { int mypos = MOUSE_Y_POS - getbegy(win); int delta = mypos - row; if (mypos+1 == getmaxy(win)) { /* At the decorative border: scroll forward */ if (BUTTON_STATUS(1) & BUTTON1_TRIPLE_CLICKED) cmd = LYK_END; else if (BUTTON_STATUS(1) & BUTTON1_DOUBLE_CLICKED) cmd = LYK_NEXT_PAGE; else cmd = LYK_NEXT_LINK; } else if (mypos >= getmaxy(win)) { if (BUTTON_STATUS(1) & (BUTTON1_DOUBLE_CLICKED | BUTTON1_TRIPLE_CLICKED)) cmd = LYK_END; else cmd = LYK_NEXT_PAGE; } else if (mypos == 0) { /* At the decorative border: scroll back */ if (BUTTON_STATUS(1) & BUTTON1_TRIPLE_CLICKED) cmd = LYK_HOME; else if (BUTTON_STATUS(1) & BUTTON1_DOUBLE_CLICKED) cmd = LYK_PREV_PAGE; else cmd = LYK_PREV_LINK; } else if (mypos < 0) { if (BUTTON_STATUS(1) & (BUTTON1_DOUBLE_CLICKED | BUTTON1_TRIPLE_CLICKED)) cmd = LYK_HOME; else cmd = LYK_PREV_PAGE; #ifdef KNOW_HOW_TO_TOGGLE } else if (BUTTON_STATUS(1) & (BUTTON_CTRL)) { cur_selection += delta; cmd = LYX_TOGGLE; #endif } else if (BUTTON_STATUS(1) & (BUTTON_ALT | BUTTON_SHIFT | BUTTON_CTRL)) { /* Probably some unrelated activity, such as selecting some text. * Select, but do nothing else. */ *position += delta; cmd = -1; } else { /* No scrolling or overflow checks necessary. */ *position += delta; cmd = LYK_ACTIVATE; } } else if (BUTTON_STATUS(1) & (BUTTON3_CLICKED | BUTTON3_DOUBLE_CLICKED | BUTTON3_TRIPLE_CLICKED)) { cmd = LYK_QUIT; } #else #if defined(NCURSES) MEVENT event; getmouse(&event); if ((event.bstate & (BUTTON1_CLICKED | BUTTON1_DOUBLE_CLICKED | BUTTON1_TRIPLE_CLICKED))) { int mypos = event.y - getbegy(win); int delta = mypos - row; if ((event.x < getbegx(win) || event.x >= (getbegx(win) + getmaxx(win))) && !(event.bstate & (BUTTON_ALT | BUTTON_SHIFT | BUTTON_CTRL))) return LYK_QUIT; /* User clicked outside, wants to quit? */ if (mypos+1 == getmaxy(win)) { /* At the decorative border: scroll forward */ if (event.bstate & BUTTON1_TRIPLE_CLICKED) cmd = LYK_END; else if (event.bstate & BUTTON1_DOUBLE_CLICKED) cmd = LYK_NEXT_PAGE; else cmd = LYK_NEXT_LINK; } else if (mypos >= getmaxy(win)) { if (event.bstate & (BUTTON1_DOUBLE_CLICKED | BUTTON1_TRIPLE_CLICKED)) cmd = LYK_END; else cmd = LYK_NEXT_PAGE; } else if (mypos == 0) { /* At the decorative border: scroll back */ if (event.bstate & BUTTON1_TRIPLE_CLICKED) cmd = LYK_HOME; else if (event.bstate & BUTTON1_DOUBLE_CLICKED) cmd = LYK_PREV_PAGE; else cmd = LYK_PREV_LINK; } else if (mypos < 0) { if (event.bstate & (BUTTON1_DOUBLE_CLICKED | BUTTON1_TRIPLE_CLICKED)) cmd = LYK_HOME; else cmd = LYK_PREV_PAGE; #ifdef KNOW_HOW_TO_TOGGLE } else if (event.bstate & (BUTTON_CTRL)) { cur_selection += delta; cmd = LYX_TOGGLE; #endif } else if (event.x <= getbegx(win) + 1 || event.x >= getbegx(win) + getmaxx(win) - 2) { /* Click on left or right border for positioning without * immediate action: select, but do nothing else. * Actually, allow an error of one position inwards. - kw */ *position += delta; cmd = -1; } else if (event.bstate & (BUTTON_ALT | BUTTON_SHIFT | BUTTON_CTRL)) { /* Probably some unrelated activity, such as selecting some text. * Select, but do nothing else. */ /* Possibly this is never returned by ncurses, so this case * may be useless depending on situation (kind of mouse support * and library versions). - kw */ *position += delta; cmd = -1; } else { /* No scrolling or overflow checks necessary. */ *position += delta; cmd = LYK_ACTIVATE; } } else if (event.bstate & (BUTTON3_CLICKED | BUTTON3_DOUBLE_CLICKED | BUTTON3_TRIPLE_CLICKED)) { cmd = LYK_QUIT; } #endif /* NCURSES */ #endif /* PDCURSES */ /************************************************************************/ #endif /* USE_MOUSE */ return cmd; } /* * Manage the collection of edit-histories */ PRIVATE HTList *whichRecall ARGS1( RecallType, recall) { HTList **list; switch (recall) { case RECALL_CMD: return LYcommandList(); case RECALL_MAIL: list = &MAIL_edit_history; break; default: list = &URL_edit_history; break; } if (*list == 0) *list = HTList_new(); return *list; } /* * Remove the oldest item in the closet */ PRIVATE void LYRemoveFromCloset ARGS1(HTList *, list) { char *data = HTList_removeFirstObject(list); if (data != 0) FREE(data); } PUBLIC void LYCloseCloset ARGS1(RecallType, recall) { HTList *list = whichRecall(recall); while (!HTList_isEmpty(list) ) { LYRemoveFromCloset(list); } HTList_delete(list); /* should already be empty */ } /* * Strategy: We begin at the top and search downwards. We return the first * match, i.e., the newest since we search from the top. This should be made * more intelligent, but works for now. */ PRIVATE char * LYFindInCloset ARGS2(RecallType, recall, char*, base) { HTList *list = whichRecall(recall); char *data; unsigned len = strlen(base); while (!HTList_isEmpty(list)) { data = HTList_nextObject(list); if (!strncmp(base, data, len)) return(data); } return(0); } PRIVATE void LYAddToCloset ARGS2(RecallType, recall, char*, str) { HTList *list = whichRecall(recall); char *data = NULL; StrAllocCopy(data, str); HTList_addObject(list, data); while (HTList_count(list) > LYClosetSize) LYRemoveFromCloset(list); } #ifdef USE_MOUSE PRIVATE int XYdist ARGS5( int, x1, int, y1, int, x2, int, y2, int, dx2) { int xerr = 3 * (x2 - x1), yerr = 9 * (y2 - y1); if (xerr < 0) xerr = 3 * (x1 - x2 - dx2) + 1; /* pos after string not really in it */ if (xerr < 0) xerr = 0; if (yerr < 0) yerr = -yerr; if (!yerr) /* same line is good */ return (xerr > 0) ? (xerr*2 - 1) : 0; if (xerr < 9 && yerr) /* x-dist of 3 cell better than y-dist of 1 cell */ yerr += (9 - xerr); return 2 * xerr + yerr; /* Subjective factor; ratio -> approx. 6 / 9 */ /* old: (IZ 1999-07-30) 3 2 2 2 1 1 1 XX XX XX XX XX 0 1 1 1 2 2 2 3 3 4\ 3 3 3 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3/ 4 4 5 4 4 4\ 3 3 3 3 3 3 3 3 3 3 3 3/ 4 4 4 5 5 6 5 5 5 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 6 5 now: (kw 1999-10-23) 41 35 29|23 17 11 5 XX XX XX XX XX 1 7 13 19 25|31 37 43 49 45 39 33\27 24 21 18 18 18 18 18 19 22 25 28/34 40 46 50 48 42 36 33 30\27 27 27 27 27 28/31 34 37 43 49 51 45 42 39 36 36 36 36 36 37 40 43 46 49 51 48 45 45 45 45 45 46 49 52 */ } /* Given X and Y coordinates of a mouse event, set mouse_link to the ** index of the corresponding hyperlink, or set mouse_link to -1 if no ** link matches the event. Returns -1 if no link matched the click, ** or a keycode that must be returned from LYgetch() to activate the ** link. **/ PRIVATE int set_clicked_link ARGS4( int, x, int, y, int, code, int, clicks) { int left = 6; int right = LYcols-6; /* yes, I am assuming that my screen will be a certain width. */ int i; int c = -1; if (y == (LYlines-1) || y == 0) { /* First or last row */ /* XXXX In fact # is not always at x==0? KANJI_CODE_OVERRIDE? */ int toolbar = (y == 0 && HText_hasToolbar(HTMainText)); mouse_link = -2; if (x == 0 && toolbar) /* On '#' */ c = LAC_TO_LKC0(LYK_TOOLBAR); #if defined(CAN_CUT_AND_PASTE) && defined(USE_COLOR_STYLE) else if (y == 0 && x == LYcols - 1 && s_hot_paste != NOSTYLE) c = LAC_TO_LKC0(LYK_PASTE_URL); #endif else if (clicks > 1) { if (x < left + toolbar) c = (code==FOR_PROMPT && y) ? HOME : LAC_TO_LKC0(LYK_MAIN_MENU); else if (x > right) c = (code==FOR_PROMPT && y) ? END_KEY : LAC_TO_LKC0(LYK_VLINKS); else if (y) /* Last row */ c = LAC_TO_LKC0(LYK_END); else /* First row */ c = LAC_TO_LKC0(LYK_HOME); } else { if (x < left + toolbar) c = (code==FOR_PROMPT && y) ? LTARROW : ( #ifdef USE_COLOR_STYLE (s_forw_backw != NOSTYLE && x - toolbar >= 3) ? LAC_TO_LKC0(LYK_NEXT_DOC) : LAC_TO_LKC0(LYK_PREV_DOC) #else LAC_TO_LKC0(LYK_NEXT_DOC) #endif ); else if (x > right) c = (code==FOR_PROMPT && y) ? RTARROW : LAC_TO_LKC0(LYK_HISTORY); else if (y) /* Last row */ c = LAC_TO_LKC0(LYK_NEXT_PAGE); else /* First row */ c = LAC_TO_LKC0(LYK_PREV_PAGE); } #ifdef USE_SCROLLBAR } else if (x == LYcols - 1 && LYShowScrollbar && LYsb_begin >= 0) { int h = display_lines - 2*(LYsb_arrow != 0); mouse_link = -2; y -= 1 + (LYsb_arrow != 0); if (y < 0) return LAC_TO_LKC0(LYK_UP_TWO); if (y >= h) return LAC_TO_LKC0(LYK_DOWN_TWO); if (clicks >= 2) { double frac = (1. * y)/(h - 1); int l = HText_getNumOfLines() + 1; /* NOL() off by one? */ l -= display_lines; if (l > 0) LYSetNewline((int)(frac * l + 1 + 0.5)); return LYReverseKeymap(LYK_DO_NOTHING); } if (y < LYsb_begin) return LAC_TO_LKC0(LYK_PREV_PAGE); if (y >= LYsb_end) return LAC_TO_LKC0(LYK_NEXT_PAGE); mouse_link = -1; /* No action in edit fields */ #endif } else { int mouse_err = 29, /* subjctv-dist better than this for approx stuff */ cur_err; /* Loop over the links and see if we can get a match */ for (i = 0; i < nlinks; i++) { int len, lx = links[i].lx, is_text = 0; int count = 0; char *text = LYGetHiliteStr(i, count); if (links[i].type == WWW_FORM_LINK_TYPE && F_TEXTLIKE(links[i].l_form->type)) is_text = 1; /* Check the first line of the link */ if (text != NULL) { if (is_text) len = links[i].l_form->size; else len = strlen(text); cur_err = XYdist(x, y, links[i].lx, links[i].ly, len); /* Check the second line */ while (cur_err > 0 && (text = LYGetHiliteStr(i, ++count)) != NULL) { /* Note that there is at most one hightext if is_text */ int cur_err_2 = XYdist(x, y, LYGetHilitePos(i, count), links[i].ly + count, strlen(text)); cur_err = HTMIN(cur_err, cur_err_2); } if (cur_err > 0 && is_text) cur_err--; /* a bit of preference for text fields, enter field if hit exactly at end - kw */ if (cur_err == 0) { int cury, curx; LYGetYX(cury,curx); /* double-click, if we care: submit text submit fields. - kw */ if (clicks > 1 && is_text && links[i].l_form->type == F_TEXT_SUBMIT_TYPE) { if (code != FOR_INPUT /* submit current input field directly */ || !(cury == y && (curx >= lx) && ((curx - lx) <= len))) { c = LAC_TO_LKC0(LYK_SUBMIT); mouse_link = i; } else { c = LAC_TO_LKC0(LYK_SUBMIT); mouse_link = -1; } mouse_err = 0; break; } if (code != FOR_INPUT /* Do not pick up the current input field */ || !((cury == y && (curx >= lx) && ((curx - lx) <= len)))) { if (is_text) { have_levent = 1; #if defined(TEXTFIELDS_MAY_NEED_ACTIVATION) && defined(INACTIVE_INPUT_STYLE_VH) if (x == links[i].lx && y == links[i].ly) textinput_redrawn = FALSE; #endif /* TEXTFIELDS_MAY_NEED_ACTIVATION && INACTIVE_INPUT_STYLE_VH */ } mouse_link = i; } else mouse_link = -1; mouse_err = 0; break; } else if (cur_err < mouse_err) { mouse_err = cur_err; mouse_link = i; } } } /* * If a link was hit, we must look for a key which will activate * LYK_ACTIVATE We expect to find LYK_ACTIVATE (it's usually mapped to * the Enter key). */ if (mouse_link >= 0) { if (mouse_err == 0) { if (c == -1) c = LAC_TO_LKC0(LYK_ACTIVATE); } else if (mouse_err >= 0) c = LAC_TO_LKC0(LYK_CHANGE_LINK); } else { if (2*y > LYlines){ /* Bottom Half of the screen */ if (4*y < 3*LYlines){ c = LAC_TO_LKC0(LYK_DOWN_TWO); /* Third quarter */ } else c = LAC_TO_LKC0(LYK_DOWN_HALF); /* Fourth quarter */ } else { /* Upper Half of the screen */ if (4*y < LYlines){ c = LAC_TO_LKC0(LYK_UP_HALF); /* First quarter */ } else c = LAC_TO_LKC0(LYK_UP_TWO); /* Second quarter */ } } } return c; } #endif /* USE_MOUSE */ /* * LYstrncpy() terminates strings with a null byte. * Writes a null byte into the n+1 byte of dst. */ PUBLIC char *LYstrncpy ARGS3( char *, dst, CONST char *, src, int, n) { char *val; int len; if (src == 0) src = ""; len = strlen(src); if (n < 0) n = 0; val = strncpy(dst, src, n); if (len < n) *(dst+len) = '\0'; else *(dst+n) = '\0'; return val; } #define IS_NEW_GLYPH(ch) (utf_flag && (UCH(ch)&0xc0) != 0x80) #define IS_UTF_EXTRA(ch) (utf_flag && (UCH(ch)&0xc0) == 0x80) /* * LYmbcsstrncpy() terminates strings with a null byte. * It takes account of multibyte characters. * The src string is copied until either end of string or max number of * either bytes or glyphs (mbcs sequences) (CJK or UTF8). The utf_flag * argument should be TRUE for UTF8. - KW & FM */ PUBLIC char * LYmbcsstrncpy ARGS5( char *, dst, CONST char *, src, int, n_bytes, int, n_glyphs, BOOL, utf_flag) { char *val = dst; int i_bytes = 0, i_glyphs = 0; if (n_bytes < 0) n_bytes = 0; if (n_glyphs < 0) n_glyphs = 0; for (; *src != '\0' && i_bytes < n_bytes; i_bytes++) { if (IS_NEW_GLYPH(*src)) { if (i_glyphs++ >= n_glyphs) { *dst = '\0'; return val; } } *(dst++) = *(src++); } *dst = '\0'; return val; } /* * LYmbcs_skip_glyphs() skips a given number of display positions * in a string and returns the resulting pointer. It takes account * of UTF-8 encoded characters. - KW */ PUBLIC char * LYmbcs_skip_glyphs ARGS3( char *, data, int, n_glyphs, BOOL, utf_flag) { int i_glyphs = 0; if (n_glyphs < 0) n_glyphs = 0; if (!data) return NULL; if (!utf_flag) return (data + n_glyphs); while (*data) { if (IS_NEW_GLYPH(*data)) { if (i_glyphs++ >= n_glyphs) { return data; } } data++; } return data; } /* * LYmbcsstrlen() returns the printable length of a string * that might contain IsSpecial or multibyte (CJK or UTF8) * characters. - FM * Counts glyph cells if count_gcells is set. (Full-width * characters in CJK mode count as two.) * Counts character glyphs if count_gcells is unset. (Full- * width characters in CJK mode count as one.) - kw */ PUBLIC int LYmbcsstrlen ARGS3( char *, str, BOOL, utf_flag, BOOL, count_gcells) { int i, j, len = 0; if (!non_empty(str)) return(len); for (i = 0; str[i] != '\0'; i++) { if (IsSpecialAttrChar(str[i])) { continue; } else { len++; } if (IS_NEW_GLYPH(str[i])) { j = 0; while (str[(i + 1)] != '\0' && !IsSpecialAttrChar(str[(i + 1)]) && j < 5 && IS_UTF_EXTRA(str[(i + 1)])) { i++; j++; } } else if (!utf_flag && HTCJK != NOCJK && !count_gcells && is8bits(str[i]) && str[(i + 1)] != '\0' && !IsSpecialAttrChar(str[(i + 1)])) { i++; } } return(len); } #undef GetChar #ifdef USE_SLANG #ifdef VMS #define GetChar() ttgetc() #else #ifdef __DJGPP__ #ifdef DJGPP_KEYHANDLER #define GetChar getxkey #else #define GetChar SLkp_getkey #endif /* DJGPP_KEYHANDLER */ #else #ifdef __CYGWIN__ #define GetChar SLkp_getkey #else #define GetChar (int)SLang_getkey #endif /* __CYGWIN__ */ #endif /* __DJGPP__ */ #endif /* VMS */ #endif /* USE_SLANG */ #if !defined(GetChar) && defined(NCURSES) #define GetChar() wgetch(LYtopwindow()) #endif #if !defined(GetChar) && defined(PDCURSES) && defined(PDC_BUILD) && PDC_BUILD >= 2401 /* PDCurses sends back key-modifiers that we don't use, but would waste time * upon, e.g., repainting the status line */ PRIVATE int myGetChar NOARGS { int c; BOOL done = FALSE; do { switch (c = wgetch(LYwin)) { case KEY_SHIFT_L : case KEY_SHIFT_R : case KEY_CONTROL_L : case KEY_CONTROL_R : case KEY_ALT_L : case KEY_ALT_R : case KEY_RESIZE : break; default: done = TRUE; break; } } while (!done); return c; } #define GetChar() myGetChar() #endif #if !defined(GetChar) && defined(SNAKE) #define GetChar() wgetch(LYwin) #endif #if !defined(GetChar) && defined(VMS) #define GetChar() ttgetc() #endif #if !defined(GetChar) #ifdef HAVE_KEYPAD #define GetChar() getch() #else #ifndef USE_GETCHAR #define USE_GETCHAR #endif /* !USE_GETCHAR */ #define GetChar() getchar() /* used to be "getc(stdin)" and "getch()" */ #endif /* HAVE_KEYPAD */ #endif /* !defined(GetChar) */ #if defined(USE_SLANG) && defined(USE_MOUSE) PRIVATE int sl_parse_mouse_event ARGS3(int *, x, int *, y, int *, button) { /* "ESC [ M" has already been processed. There more characters are * expected: BUTTON X Y */ *button = SLang_getkey (); switch (*button) { case 040: /* left button */ case 041: /* middle button */ case 042: /* right button */ *button -= 040; break; default: /* Hmmm.... */ SLang_flush_input (); return -1; } *x = SLang_getkey (); if (*x == CH_ESC) /* Undo 7-bit replace for large x - kw */ *x = SLang_getkey () + 64 - 33; else *x -= 33; *y = SLang_getkey (); if (*y == CH_ESC) /* Undo 7-bit replace for large y - kw */ *y = SLang_getkey () + 64 - 33; else *y -= 33; return 0; } PRIVATE int sl_read_mouse_event ARGS1( int, code) { int mouse_x, mouse_y, button; mouse_link = -1; if (-1 != sl_parse_mouse_event (&mouse_x, &mouse_y, &button)) { if (button == 0) /* left */ return set_clicked_link (mouse_x, mouse_y, FOR_PANEL, 1); if (button == 1) /* middle */ return LYReverseKeymap (LYK_VIEW_BOOKMARK); if (button == 2) /* right */ { /* Right button: go back to prev document. * The problem is that we need to determine * what to return to achieve this. */ return LYReverseKeymap (LYK_PREV_DOC); } } if (code == FOR_INPUT || code == FOR_PROMPT) return DO_NOTHING; else return -1; } #endif /* USE_SLANG and USE_MOUSE */ PRIVATE BOOLEAN csi_is_csi = TRUE; PUBLIC void ena_csi ARGS1( BOOLEAN, flag) { csi_is_csi = flag; } #if defined(USE_KEYMAPS) #ifdef USE_SLANG #define define_key(string, code) \ SLkm_define_keysym (string, code, Keymap_List) #define expand_substring(dst, first, last, final) \ (SLexpand_escaped_string(dst, (char *)first, (char *)last), 1) static SLKeyMap_List_Type *Keymap_List; /* This value should be larger than anything in LYStrings.h */ #define MOUSE_KEYSYM 0x0400 #endif #define SQUOTE '\'' #define DQUOTE '"' #define ESCAPE '\\' #define LPAREN '(' #define RPAREN ')' /* * For ncurses, we use the predefined keysyms, since that lets us also reuse * the CSI logic and other special cases for VMS, NCSA telnet, etc. */ #ifdef USE_SLANG # ifdef VMS # define EXTERN_KEY(string,string1,lynx,curses) {string,lynx} # else # define EXTERN_KEY(string,string1,lynx,curses) {string,lynx},{string1,lynx} # endif # define INTERN_KEY(string,lynx,curses) {string,lynx} #else #define INTERN_KEY(string,lynx,curses) {string,curses} #define EXTERN_KEY(string,string1,lynx,curses) {string,curses} #endif typedef struct { char *string; int value; } Keysym_String_List; static Keysym_String_List Keysym_Strings [] = { INTERN_KEY( "UPARROW", UPARROW, KEY_UP ), INTERN_KEY( "DNARROW", DNARROW, KEY_DOWN ), INTERN_KEY( "RTARROW", RTARROW, KEY_RIGHT ), INTERN_KEY( "LTARROW", LTARROW, KEY_LEFT ), INTERN_KEY( "PGDOWN", PGDOWN, KEY_NPAGE ), INTERN_KEY( "PGUP", PGUP, KEY_PPAGE ), INTERN_KEY( "HOME", HOME, KEY_HOME ), INTERN_KEY( "END", END_KEY, KEY_END ), INTERN_KEY( "F1", F1, KEY_F(1) ), INTERN_KEY( "DO_KEY", DO_KEY, KEY_F(16) ), INTERN_KEY( "FIND_KEY", FIND_KEY, KEY_FIND ), INTERN_KEY( "SELECT_KEY", SELECT_KEY, KEY_SELECT ), INTERN_KEY( "INSERT_KEY", INSERT_KEY, KEY_IC ), INTERN_KEY( "REMOVE_KEY", REMOVE_KEY, KEY_DC ), INTERN_KEY( "DO_NOTHING", DO_NOTHING, DO_NOTHING|LKC_ISLKC ), INTERN_KEY( NULL, -1, ERR ) }; #ifdef NCURSES_VERSION /* * Ncurses stores the termcap/terminfo names in arrays sorted to match the * array of strings in the TERMTYPE struct. */ PRIVATE int lookup_tiname (char *name, NCURSES_CONST char *CONST *names) { int code; for (code = 0; names[code] != 0; code++) if (!strcmp(names[code], name)) return code; return -1; } PRIVATE CONST char *expand_tiname (CONST char *first, size_t len, char **result, char *final) { char name[BUFSIZ]; int code; strncpy(name, first, len); name[len] = '\0'; if ((code = lookup_tiname(name, strnames)) >= 0 || (code = lookup_tiname(name, strfnames)) >= 0) { if (cur_term->type.Strings[code] != 0) { LYstrncpy(*result, cur_term->type.Strings[code], final - *result); (*result) += strlen(*result); } } return first + len; } PRIVATE CONST char *expand_tichar (CONST char *first, char **result, char *final) { int ch; int limit = 0; int radix = 0; int value = 0; char *name = 0; switch (ch = *first++) { case 'E': case 'e': value = 27; break; case 'a': name = "bel"; break; case 'b': value = '\b'; break; case 'f': value = '\f'; break; case 'n': value = '\n'; break; case 'r': value = '\r'; break; case 't': value = '\t'; break; case 'v': value = '\v'; break; case 'd': radix = 10; limit = 3; break; case 'x': radix = 16; limit = 2; break; default: if (isdigit(ch)) { radix = 8; limit = 3; first--; } else { value = *first; } break; } if (radix != 0) { char *last = 0; char tmp[80]; LYstrncpy(tmp, first, limit); value = strtol(tmp, &last, radix); if (last != 0 && last != tmp) first += (last - tmp); } if (name != 0) { (void) expand_tiname(name, strlen(name), result, final); } else { **result = value; (*result) += 1; } return first; } PRIVATE int expand_substring (char* dst, CONST char* first, CONST char* last, char *final) { int ch; while (first < last) { switch (ch = *first++) { case ESCAPE: first = expand_tichar(first, &dst, final); break; case '^': ch = *first++; if (ch == LPAREN) { CONST char *s = strchr(first, RPAREN); char *was = dst; if (s == 0) s = first + strlen(first); first = expand_tiname(first, s-first, &dst, final); if (dst == was) return 0; if (*first) first++; } else if (ch == '?') { /* ASCII delete? */ *dst++ = 127; } else if ((ch & 0x3f) < 0x20) { /* ASCII control char? */ *dst++ = (ch & 0x1f); } else { *dst++ = '^'; first--; /* not legal... */ } break; case 0: /* convert nulls for terminfo */ ch = 0200; /* FALLTHRU */ default: *dst++ = ch; break; } } *dst = '\0'; return 1; } #endif PRIVATE void unescaped_char ARGS2(CONST char*, parse, int*,keysym) { size_t len = strlen(parse); char buf[BUFSIZ]; if (len >= 3) { expand_substring(buf, parse + 1, parse + len - 1, buf + sizeof(buf) - 1); if (strlen(buf) == 1) *keysym = *buf; } } PRIVATE BOOLEAN unescape_string ARGS3(char*, src, char *, dst, char *, final) { BOOLEAN ok = FALSE; if (*src == SQUOTE) { int keysym; unescaped_char(src, &keysym); if (keysym >= 0) { dst[0] = keysym; dst[1] = '\0'; ok = TRUE; } } else if (*src == DQUOTE) ok = expand_substring(dst, src + 1, src + strlen(src) - 1, final); return ok; } PUBLIC int map_string_to_keysym ARGS2(CONST char*, str, int*,keysym) { int modifier = 0; *keysym = -1; if (strncasecomp(str, "LAC:", 4) == 0) { char *other = strchr(str+4, ':'); if (other) { int othersym = lecname_to_lec(other + 1); char buf[BUFSIZ]; if (othersym >= 0 && other - str - 4 < BUFSIZ ) { strncpy(buf, str + 4, other - str - 4); buf[other - str - 4] = '\0'; *keysym = lacname_to_lac(buf); if (*keysym >= 0) { *keysym = LACLEC_TO_LKC0(*keysym, othersym); return (*keysym); } } } *keysym = lacname_to_lac(str + 4); if (*keysym >= 0) { *keysym = LAC_TO_LKC0(*keysym); return (*keysym); } } if (strncasecomp(str, "Meta-", 5) == 0) { str += 5; modifier = LKC_MOD2; if (*str) { size_t len = strlen(str); if (len == 1) return (*keysym = (UCH(str[0]))|modifier); else if (len == 2 && str[0] == '^' && (isalpha(UCH(str[1])) || (TOASCII(str[1]) >= '@' && TOASCII(str[1]) <= '_'))) return (*keysym = FROMASCII(UCH(str[1]&0x1f))|modifier); else if (len == 2 && str[0] == '^' && str[1] == '?') return (*keysym = CH_DEL|modifier); if (*str == '^' || *str == '\\') { char buf[BUFSIZ]; expand_substring(buf, str, str + HTMIN(len, 28), buf + sizeof(buf) - 1); if (strlen(buf) <= 1) return (*keysym = (UCH(buf[0]))|modifier); } } } if (*str == SQUOTE) { unescaped_char(str, keysym); } else if (isdigit(UCH(*str))) { char *tmp; long value = strtol(str, &tmp, 0); if (!isalnum(UCH(*tmp))) { *keysym = value; #ifndef USE_SLANG if (*keysym > 255) *keysym |= LKC_ISLKC; /* caller should remove this flag - kw */ #endif } } else { Keysym_String_List *k; k = Keysym_Strings; while (k->string != NULL) { if (0 == strcmp (k->string, str)) { *keysym = k->value; break; } k++; } } if (*keysym >= 0) *keysym |= modifier; return (*keysym); } /* * Starting at a nonblank character, skip over a token, counting quoted and * escaped characters. */ PRIVATE char *skip_keysym ARGS1(char *, parse) { int quoted = 0; int escaped = 0; while (*parse) { if (escaped) { escaped = 0; } else if (quoted) { if (*parse == ESCAPE) { escaped = 1; } else if (*parse == quoted) { quoted = 0; } } else if (*parse == ESCAPE) { escaped = 1; } else if (*parse == DQUOTE || *parse == SQUOTE) { quoted = *parse; } else if (isspace(UCH(*parse))) { break; } parse++; } return (quoted || escaped) ? 0 : parse; } /* * The first token is the string to define, the second is the name (of the * keysym) to define it to. */ PRIVATE int setkey_cmd (char *parse) { char *s, *t; int keysym; char buf[BUFSIZ]; CTRACE((tfp, "KEYMAP(PA): in=%s", parse)); /* \n-terminated */ if ((s = skip_keysym(parse)) != 0) { if (isspace(UCH(*s))) { *s++ = '\0'; s = LYSkipBlanks(s); if ((t = skip_keysym(s)) == 0) { CTRACE((tfp, "KEYMAP(SKIP) no key expansion found\n")); return -1; } if (t != s) *t = '\0'; if (map_string_to_keysym (s, &keysym) >= 0) { if (!unescape_string(parse, buf, buf + sizeof(buf) - 1)) { CTRACE((tfp, "KEYMAP(SKIP) could unescape key\n")); return 0; /* Trace the failure and continue. */ } if (LYTraceLogFP == 0) { CTRACE((tfp, "KEYMAP(DEF) keysym=%#x\n", keysym)); } else { CTRACE((tfp, "KEYMAP(DEF) keysym=%#x, seq='%s'\n", keysym, buf)); } return define_key(buf, keysym); } else { CTRACE((tfp, "KEYMAP(SKIP) could not map to keysym\n")); } } else { CTRACE((tfp, "KEYMAP(SKIP) junk after key description: '%s'\n", s)); } } else { CTRACE((tfp, "KEYMAP(SKIP) no key description\n")); } return -1; } PRIVATE int unsetkey_cmd (char *parse) { char *s = skip_keysym(parse); if (s != parse) { *s = '\0'; #ifdef NCURSES_VERSION /* * This won't work with Slang. Remove the definition for the given * keysym. */ { int keysym; if (map_string_to_keysym (parse, &keysym) >= 0) define_key((char *)0, keysym); } #endif #ifdef USE_SLANG /* Slang implements this, for undefining the string which is associated * with a keysym (the reverse of what we normally want, but may * occasionally find useful). */ SLang_undefine_key (parse, Keymap_List); if (SLang_Error) return -1; #endif } return 0; } #ifdef FNAMES_8_3 #define FNAME_LYNX_KEYMAPS "_lynxkey.map" #else #define FNAME_LYNX_KEYMAPS ".lynx-keymaps" #endif /* FNAMES_8_3 */ PRIVATE int read_keymap_file NOARGS { static struct { CONST char *name; int (*func) PARAMS((char *s)); } table[] = { {"setkey", setkey_cmd }, {"unsetkey", unsetkey_cmd }, }; char *line = NULL; FILE *fp; char file[LY_MAXPATH]; int linenum; size_t n; LYAddPathToHome(file, sizeof(file), FNAME_LYNX_KEYMAPS); if ((fp = fopen (file, "r")) == 0) return 0; linenum = 0; while (LYSafeGets(&line, fp) != 0) { char *s = LYSkipBlanks(line); linenum++; if ((*s == 0) || (*s == '#')) continue; for (n = 0; n < TABLESIZE(table); n++) { size_t len = strlen(table[n].name); if ( strlen(s) > len && !strncmp(s, table[n].name, len) && (*(table[n].func))(LYSkipBlanks(s+len)) < 0 ) fprintf (stderr, FAILED_READING_KEYMAP, linenum, file); } } FREE(line); LYCloseInput (fp); return 0; } PRIVATE void setup_vtXXX_keymap NOARGS { static Keysym_String_List table[] = { INTERN_KEY( "\033[A", UPARROW, KEY_UP ), INTERN_KEY( "\033OA", UPARROW, KEY_UP ), INTERN_KEY( "\033[B", DNARROW, KEY_DOWN ), INTERN_KEY( "\033OB", DNARROW, KEY_DOWN ), INTERN_KEY( "\033[C", RTARROW, KEY_RIGHT ), INTERN_KEY( "\033OC", RTARROW, KEY_RIGHT ), INTERN_KEY( "\033[D", LTARROW, KEY_LEFT ), INTERN_KEY( "\033OD", LTARROW, KEY_LEFT ), INTERN_KEY( "\033[1~", FIND_KEY, KEY_FIND ), INTERN_KEY( "\033[2~", INSERT_KEY, KEY_IC ), INTERN_KEY( "\033[3~", REMOVE_KEY, KEY_DC ), INTERN_KEY( "\033[4~", SELECT_KEY, KEY_SELECT ), INTERN_KEY( "\033[5~", PGUP, KEY_PPAGE ), INTERN_KEY( "\033[6~", PGDOWN, KEY_NPAGE ), INTERN_KEY( "\033[7~", HOME, KEY_HOME), INTERN_KEY( "\033[8~", END_KEY, KEY_END ), INTERN_KEY( "\033[11~", F1, KEY_F(1) ), INTERN_KEY( "\033[28~", F1, KEY_F(1) ), INTERN_KEY( "\033OP", F1, KEY_F(1) ), INTERN_KEY( "\033[OP", F1, KEY_F(1) ), INTERN_KEY( "\033[29~", DO_KEY, KEY_F(16) ), #if defined(USE_SLANG) && defined(__MINGW32__) INTERN_KEY( "\xE0H", UPARROW, KEY_UP ), INTERN_KEY( "\xE0P", DNARROW, KEY_DOWN ), INTERN_KEY( "\xE0M", RTARROW, KEY_RIGHT ), INTERN_KEY( "\xE0K", LTARROW, KEY_LEFT ), INTERN_KEY( "\xE0R", INSERT_KEY, KEY_IC ), INTERN_KEY( "\xE0S", REMOVE_KEY, KEY_DC ), INTERN_KEY( "\xE0I", PGUP, KEY_PPAGE ), INTERN_KEY( "\xE0Q", PGDOWN, KEY_NPAGE ), INTERN_KEY( "\xE0G", HOME, KEY_HOME), INTERN_KEY( "\xE0O", END_KEY, KEY_END ), #endif #if defined(USE_SLANG) && !defined(VMS) INTERN_KEY( "^(ku)", UPARROW, KEY_UP ), INTERN_KEY( "^(kd)", DNARROW, KEY_DOWN ), INTERN_KEY( "^(kr)", RTARROW, KEY_RIGHT ), INTERN_KEY( "^(kl)", LTARROW, KEY_LEFT ), INTERN_KEY( "^(@0)", FIND_KEY, KEY_FIND ), INTERN_KEY( "^(kI)", INSERT_KEY, KEY_IC ), INTERN_KEY( "^(kD)", REMOVE_KEY, KEY_DC ), INTERN_KEY( "^(*6)", SELECT_KEY, KEY_SELECT ), INTERN_KEY( "^(kP)", PGUP, KEY_PPAGE ), INTERN_KEY( "^(kN)", PGDOWN, KEY_NPAGE ), INTERN_KEY( "^(@7)", END_KEY, KEY_END ), INTERN_KEY( "^(kh)", HOME, KEY_HOME), INTERN_KEY( "^(k1)", F1, KEY_F(1) ), INTERN_KEY( "^(F6)", DO_KEY, KEY_F(16) ), #endif /* SLANG && !VMS */ }; size_t n; for (n = 0; n < TABLESIZE(table); n++) define_key(table[n].string, table[n].value); } PUBLIC int lynx_initialize_keymaps NOARGS { #ifdef USE_SLANG int i; char keybuf[2]; /* The escape sequences may contain embedded termcap strings. Make * sure the library is initialized for that. */ SLtt_get_terminfo(); if (NULL == (Keymap_List = SLang_create_keymap ("Lynx", NULL))) return -1; keybuf[1] = 0; for (i = 1; i < 256; i++) { keybuf[0] = (char) i; define_key (keybuf, i); } setup_vtXXX_keymap(); define_key ("\033[M", MOUSE_KEYSYM); if (SLang_Error) SLang_exit_error ("Unable to initialize keymaps"); #else setup_vtXXX_keymap(); #endif return read_keymap_file(); } #endif /* USE_KEYMAPS */ #if defined(USE_MOUSE) && (defined(NCURSES)) PRIVATE int LYmouse_menu ARGS4(int, x, int, y, int, atlink, int, code) { #define ENT_ONLY_DOC 1 #define ENT_ONLY_LINK 2 static const struct { char *txt; int action; unsigned int flag; } possible_entries[] = { {"Quit", LYK_ABORT, ENT_ONLY_DOC}, {"Home page", LYK_MAIN_MENU, ENT_ONLY_DOC}, {"Previous document", LYK_PREV_DOC, ENT_ONLY_DOC}, {"Beginning of document", LYK_HOME, ENT_ONLY_DOC}, {"Page up", LYK_PREV_PAGE, ENT_ONLY_DOC}, {"Half page up", LYK_UP_HALF, ENT_ONLY_DOC}, {"Two lines up", LYK_UP_TWO, ENT_ONLY_DOC}, {"History", LYK_HISTORY, ENT_ONLY_DOC}, {"Help", LYK_HELP, 0}, {"Do nothing (refresh)", LYK_REFRESH, 0}, {"Load again", LYK_RELOAD, ENT_ONLY_DOC}, {"Edit Doc URL and load", LYK_ECGOTO, ENT_ONLY_DOC}, {"Edit Link URL and load", LYK_ELGOTO, ENT_ONLY_LINK}, {"Show info", LYK_INFO, 0}, {"Search", LYK_WHEREIS, ENT_ONLY_DOC}, {"Print", LYK_PRINT, ENT_ONLY_DOC}, {"Two lines down", LYK_DOWN_TWO, ENT_ONLY_DOC}, {"Half page down", LYK_DOWN_HALF, ENT_ONLY_DOC}, {"Page down", LYK_NEXT_PAGE, ENT_ONLY_DOC}, {"End of document", LYK_END, ENT_ONLY_DOC}, {"Bookmarks", LYK_VIEW_BOOKMARK, ENT_ONLY_DOC}, {"Cookie jar", LYK_COOKIE_JAR, ENT_ONLY_DOC}, {"Search index", LYK_INDEX_SEARCH, ENT_ONLY_DOC}, {"Set Options", LYK_OPTIONS, ENT_ONLY_DOC}, {"Activate this link", LYK_SUBMIT, ENT_ONLY_LINK}, {"Download", LYK_DOWNLOAD, ENT_ONLY_LINK} }; #define TOTAL_MENUENTRIES TABLESIZE(possible_entries) char *choices[TOTAL_MENUENTRIES + 1]; int actions[TOTAL_MENUENTRIES]; int c, c1, retlac, filter_out = (atlink ? ENT_ONLY_DOC : ENT_ONLY_LINK); c = c1 = 0; while (c < (int) TOTAL_MENUENTRIES) { if (!(possible_entries[c].flag & filter_out)) { choices[c1] = possible_entries[c].txt; actions[c1++] = possible_entries[c].action; } c++; } choices[c1] = NULL; /* Somehow the mouse is over the number instead of being over the name, so we decrease x. */ c = LYChoosePopup((atlink ? 2 : 10) - 1, y, (x > 5 ? x-5 : 1), choices, c1, FALSE, TRUE); /* * LYhandlePopupList() wasn't really meant to be used * outside of old-style Options menu processing. One result of * mis-using it here is that we have to deal with side-effects * regarding SIGINT signal handler and the term_options global * variable. - kw */ if (term_options) { retlac = LYK_DO_NOTHING; term_options = FALSE; } else { retlac = actions[c]; } if (code == FOR_INPUT && mouse_link == -1) { switch (retlac) { case LYK_ABORT: retlac = LYK_QUIT; /* a bit softer... */ /* fall through */ case LYK_MAIN_MENU: case LYK_PREV_DOC: case LYK_HOME: case LYK_PREV_PAGE: case LYK_UP_HALF: case LYK_UP_TWO: case LYK_HISTORY: case LYK_HELP: /* case LYK_REFRESH:*/ case LYK_RELOAD: case LYK_ECGOTO: case LYK_INFO: case LYK_WHEREIS: case LYK_PRINT: case LYK_DOWN_TWO: case LYK_DOWN_HALF: case LYK_NEXT_PAGE: case LYK_END: case LYK_VIEW_BOOKMARK: case LYK_COOKIE_JAR: case LYK_INDEX_SEARCH: case LYK_OPTIONS: mouse_link = -3; /* so LYgetch_for() passes it on - kw */ } } if (retlac == LYK_DO_NOTHING || retlac == LYK_REFRESH) { mouse_link = -1; /* mainloop should not change cur link - kw */ } if (code == FOR_INPUT && retlac == LYK_DO_NOTHING) { repaint_main_statusline(FOR_INPUT); } return retlac; } #endif /* USE_MOUSE && (NCURSES || PDCURSES) */ #if defined(USE_KEYMAPS) && defined(USE_SLANG) /************************************************************************/ PRIVATE int current_sl_modifier = 0; /* We cannot guarantee the type for 'GetChar', and should not use a cast. */ PRIVATE int myGetChar NOARGS { int i = GetChar(); if (i == 0) /* trick to get NUL char through - kw */ current_sl_modifier = LKC_ISLKC; return i; } PRIVATE int LYgetch_for ARGS1( int, code) { SLang_Key_Type *key; int keysym; current_sl_modifier = 0; key = SLang_do_key (Keymap_List, myGetChar); if ((key == NULL) || (key->type != SLKEY_F_KEYSYM)) { #ifdef __MINGW32__ if ((key == NULL) && (current_sl_modifier == LKC_ISLKC)) { key = SLang_do_key (Keymap_List, myGetChar); keysym = key->f.keysym; switch (keysym) { case 'H': keysym = UPARROW; break; case 'P': keysym = DNARROW; break; case 'M': keysym = RTARROW; break; case 'K': keysym = LTARROW; break; case 'R': keysym = INSERT_KEY; break; case 'S': keysym = REMOVE_KEY; break; case 'I': keysym = PGUP; break; case 'Q': keysym = PGDOWN; break; case 'G': keysym = HOME; break; case 'O': keysym = END_KEY; break; case ';': keysym = F1; break; } return(keysym); } #endif return (current_sl_modifier ? 0 : DO_NOTHING); } keysym = key->f.keysym; #if defined (USE_MOUSE) if (keysym == MOUSE_KEYSYM) return sl_read_mouse_event (code); #endif if (keysym < 0) return 0; if (keysym & (LKC_ISLECLAC|LKC_ISLAC)) return (keysym); current_sl_modifier = 0; if (LKC_HAS_ESC_MOD(keysym)) { current_sl_modifier = LKC_MOD2; keysym &= LKC_MASK; } if (keysym+1 >= KEYMAP_SIZE) return 0; return (keysym|current_sl_modifier); } /************************************************************************/ #else /* NOT defined(USE_KEYMAPS) && defined(USE_SLANG) */ /* * LYgetch() translates some escape sequences and may fake noecho. */ #define found_CSI(first,second) ((second) == '[' || (first) == 155) PRIVATE int LYgetch_for ARGS1( int, code) { int a, b, c, d = -1; int current_modifier = 0; BOOLEAN done_esc = FALSE; have_levent = 0; re_read: #if !defined(UCX) || !defined(VAXC) /* errno not modifiable ? */ if (errno == EINTR) set_errno(0); /* reset - kw */ #endif /* UCX && VAXC */ #ifndef USE_SLANG clearerr(stdin); /* needed here for ultrix and SOCKETSHR, but why? - FM */ #endif /* !USE_SLANG */ #if !defined(USE_SLANG) || defined(VMS) || defined(DJGPP_KEYHANDLER) c = GetChar(); lynx_nl2crlf(FALSE); #else if (LYCursesON) { c = GetChar(); lynx_nl2crlf(FALSE); } else { c = getchar(); if (c == EOF && errno == EINTR) /* Ctrl-Z causes EINTR in getchar() */ clearerr(stdin); if (feof(stdin) || ferror(stdin) || c == EOF) { #ifdef IGNORE_CTRL_C if (sigint) sigint = FALSE; #endif /* IGNORE_CTRL_C */ CTRACE((tfp, "GETCH: Translate ^C to ^G.\n")); return(LYCharINTERRUPT2); /* use ^G to cancel whatever called us. */ } } #endif /* !USE_SLANG || VMS */ CTRACE((tfp, "GETCH: Got %#x.\n", c)); #ifdef MISC_EXP if (LYNoZapKey > 1 && errno != EINTR && (c == EOF #ifdef USE_SLANG || (c == 0xFFFF) #endif )) { int fd, kbd_fd; CTRACE((tfp, "nozap: Got EOF, curses %s, stdin is %p, LYNoZapKey reduced from %d to 0.\n", LYCursesON ? "on" : "off", stdin, LYNoZapKey)); LYNoZapKey = 0; /* 2 -> 0 */ if ((fd = fileno(stdin)) == 0 && !isatty(fd) && (kbd_fd = LYConsoleInputFD(FALSE)) == fd) { char *term_name; int new_fd = INVSOC; if ((term_name = ttyname(fileno(stdout))) != NULL) new_fd = open(term_name, O_RDONLY); if (new_fd == INVSOC && (term_name = ttyname(fileno(stderr))) != NULL) new_fd = open(term_name, O_RDONLY); if (new_fd == INVSOC) { term_name = ctermid(NULL); new_fd = open(term_name, O_RDONLY); } CTRACE((tfp, "nozap: open(%s) returned %d.\n", term_name, new_fd)); if (new_fd >= 0) { FILE *frp; close(new_fd); frp = freopen(term_name, "r", stdin); CTRACE((tfp, "nozap: freopen(%s,\"r\",stdin) returned %p, stdin is now %p with fd %d.\n", term_name, frp, stdin, fileno(stdin))); if (LYCursesON) { stop_curses(); start_curses(); LYrefresh(); } goto re_read; } } } #endif /* MISC_EXP */ #ifdef USE_GETCHAR if (c == EOF && errno == EINTR) /* Ctrl-Z causes EINTR in getchar() */ goto re_read; #else if (c == EOF && errno == EINTR) { #if defined(HAVE_SIZECHANGE) || defined(USE_SLANG) CTRACE((tfp, "Got EOF with EINTR, recent_sizechange so far is %d\n", recent_sizechange)); if (!recent_sizechange) { /* not yet detected by ourselves */ size_change(0); CTRACE((tfp, "Now recent_sizechange is %d\n", recent_sizechange)); } #else /* HAVE_SIZECHANGE || USE_SLANG */ CTRACE((tfp, "Got EOF with EINTR, recent_sizechange is %d\n", recent_sizechange)); #endif /* HAVE_SIZECHANGE || USE_SLANG */ #if !defined(UCX) || !defined(VAXC) /* errno not modifiable ? */ set_errno(0); /* reset - kw */ #endif /* UCX && VAXC */ return(DO_NOTHING); } #endif /* USE_GETCHAR */ #ifdef USE_SLANG if (c == 0xFFFF && LYCursesON) { #ifdef IGNORE_CTRL_C if (sigint) { sigint = FALSE; goto re_read; } #endif /* IGNORE_CTRL_C */ return(LYCharINTERRUPT2); /* use ^G to cancel whatever called us. */ } #else /* not USE_SLANG: */ if (feof(stdin) || ferror(stdin) || c == EOF) { if (recent_sizechange) return(LYCharINTERRUPT2); /* use ^G to cancel whatever called us. */ #ifdef IGNORE_CTRL_C if (sigint) { sigint = FALSE; /* clearerr(stdin); don't need here if stays above - FM */ goto re_read; } #endif /* IGNORE_CTRL_C */ #if !defined(USE_GETCHAR) && !defined(VMS) && !defined(NCURSES) if (c == ERR && errno == EINTR) /* may have been handled signal - kw */ goto re_read; #endif /* USE_GETCHAR */ cleanup(); exit_immediately(EXIT_SUCCESS); } #endif /* USE_SLANG */ if (!escape_bound && (c == CH_ESC || (csi_is_csi && c == UCH(CH_ESC_PAR)))) { /* handle escape sequence S/390 -- gil -- 2024 */ done_esc = TRUE; /* Flag: we did it, not keypad() */ b = GetChar(); if (b == '[' || b == 'O') { a = GetChar(); } else { a = b; } switch (a) { case 'A': c = UPARROW; break; case 'B': c = DNARROW; break; case 'C': c = RTARROW; break; case 'D': c = LTARROW; break; case 'q': c = END_KEY; break; /* vt100 application keypad 1 */ case 'r': c = DNARROW; break; /* vt100 application keypad 2 */ case 's': c = PGDOWN; break; /* vt100 application keypad 3 */ case 't': c = LTARROW; break; /* vt100 application keypad 4 */ case 'v': c = RTARROW; break; /* vt100 application keypad 6 */ case 'w': c = HOME; break; /* vt100 application keypad 7 */ case 'x': c = UPARROW; break; /* vt100 application keypad 8 */ case 'y': c = PGUP; break; /* vt100 application keypad 9 */ case 'M': #if defined(USE_SLANG) && defined(USE_MOUSE) if (found_CSI(c,b)) { c = sl_read_mouse_event (code); } else #endif c = '\n'; /* keypad enter on pc ncsa telnet */ break; case 'm': #ifdef VMS if (b != 'O') #endif /* VMS */ c = '-'; /* keypad on pc ncsa telnet */ break; case 'k': if (b == 'O') c = '+'; /* keypad + on my xterminal :) */ else done_esc = FALSE; /* we have another look below - kw */ break; case 'l': #ifdef VMS if (b != 'O') #endif /* VMS */ c = '+'; /* keypad on pc ncsa telnet */ break; case 'P': #ifdef VMS if (b != 'O') #endif /* VMS */ c = F1; break; case 'u': #ifdef VMS if (b != 'O') #endif /* VMS */ c = F1; /* macintosh help button */ break; case 'p': #ifdef VMS if (b == 'O') #endif /* VMS */ c = '0'; /* keypad 0 */ break; case '1': /** VTxxx Find **/ if (found_CSI(c,b) && (d=GetChar()) == '~') c = FIND_KEY; else done_esc = FALSE; /* we have another look below - kw */ break; case '2': if (found_CSI(c,b)) { if ((d=GetChar())=='~') /** VTxxx Insert **/ c = INSERT_KEY; else if ((d == '8' || d == '9') && GetChar() == '~') { if (d == '8') /** VTxxx Help **/ c = F1; else if (d == '9') /** VTxxx Do **/ c = DO_KEY; d = -1; } } else done_esc = FALSE; /* we have another look below - kw */ break; case '3': /** VTxxx Delete **/ if (found_CSI(c,b) && (d=GetChar()) == '~') c = REMOVE_KEY; else done_esc = FALSE; /* we have another look below - kw */ break; case '4': /** VTxxx Select **/ if (found_CSI(c,b) && (d=GetChar()) == '~') c = SELECT_KEY; else done_esc = FALSE; /* we have another look below - kw */ break; case '5': /** VTxxx PrevScreen **/ if (found_CSI(c,b) && (d=GetChar()) == '~') c = PGUP; else done_esc = FALSE; /* we have another look below - kw */ break; case '6': /** VTxxx NextScreen **/ if (found_CSI(c,b) && (d=GetChar()) == '~') c = PGDOWN; else done_esc = FALSE; /* we have another look below - kw */ break; case '[': /** Linux F1-F5: ^[[[A etc. **/ if (found_CSI(c,b)) { if ((d=GetChar()) == 'A') c = F1; break; } /* FALLTHRU */ default: if (c == CH_ESC && a == b && !found_CSI(c,b)) { current_modifier = LKC_MOD2; c = a; /* We're not yet done if ESC + curses-keysym: */ done_esc = (BOOL) ((a & ~0xFF) == 0); break; } CTRACE((tfp,"Unknown key sequence: %d:%d:%d\n",c,b,a)); CTRACE_SLEEP(MessageSecs); break; } if (isdigit(a) && found_CSI(c,b) && d != -1 && d != '~') d = GetChar(); if (!done_esc && (a & ~0xFF) == 0) { if (a == b && !found_CSI(c,b) && c == CH_ESC) { current_modifier = LKC_MOD2; c = a; done_esc = TRUE; } else { done_esc = TRUE; } } } #ifdef USE_KEYMAPS /* Extract a single code if two are merged: */ if (c >= 0 && (c&LKC_ISLECLAC)) { if (!(code == FOR_INPUT || code == FOR_PROMPT)) c = LKC2_TO_LKC(c); } else if (c >= 0 && (c&LKC_ISLKC)) { c &= ~LKC_ISLKC; done_esc = TRUE; /* already a lynxkeycode, skip keypad switches - kw */ } if (c >= 0 && LKC_HAS_ESC_MOD(c)) { current_modifier = LKC_MOD2; c &= LKC_MASK; } if (c >= 0 && (c&(LKC_ISLECLAC|LKC_ISLAC))) { done_esc = TRUE; /* already a lynxactioncode, skip keypad switches - iz */ } #endif if (done_esc) { /* don't do keypad() switches below, we already got it - kw */ } else { #ifdef HAVE_KEYPAD /* * Convert keypad() mode keys into Lynx defined keys. */ switch(c) { case KEY_DOWN: /* The four arrow keys ... */ c = DNARROW; break; case KEY_UP: c = UPARROW; break; case KEY_LEFT: c = LTARROW; break; case KEY_RIGHT: /* ... */ c = RTARROW; break; #if defined(SH_EX) && defined(DOSPATH) /* for NEC PC-9800 1998/08/30 (Sun) 21:50:35 */ case KEY_C2: c = DNARROW; break; case KEY_A2: c = UPARROW; break; case KEY_B1: c = LTARROW; break; case KEY_B3: c = RTARROW; break; case PAD0: /* PC-9800 Ins */ c = INSERT_KEY; break; case PADSTOP: /* PC-9800 DEL */ c = REMOVE_KEY; break; #endif /* SH_EX */ case KEY_HOME: /* Home key (upward+left arrow) */ c = HOME; break; case KEY_CLEAR: /* Clear screen */ c = 18; /* CTRL-R */ break; case KEY_NPAGE: /* Next page */ c = PGDOWN; break; case KEY_PPAGE: /* Previous page */ c = PGUP; break; case KEY_LL: /* home down or bottom (lower left) */ c = END_KEY; break; #if defined(KEY_A1) && defined(KEY_C3) /* The keypad is arranged like this:*/ /* a1 up a3 */ /* left b2 right */ /* c1 down c3 */ case KEY_A1: /* upper left of keypad */ c = HOME; break; case KEY_A3: /* upper right of keypad */ c = PGUP; break; case KEY_B2: /* center of keypad */ c = DO_NOTHING; break; case KEY_C1: /* lower left of keypad */ c = END_KEY; break; case KEY_C3: /* lower right of keypad */ c = PGDOWN; break; #endif /* defined(KEY_A1) && defined(KEY_C3) */ #ifdef KEY_ENTER case KEY_ENTER: /* enter/return */ c = '\n'; break; #endif /* KEY_ENTER */ #ifdef PADENTER /* PDCURSES */ case PADENTER: c = '\n'; break; #endif /* PADENTER */ #ifdef KEY_END case KEY_END: /* end key 001 */ c = END_KEY; break; #endif /* KEY_END */ #ifdef KEY_HELP case KEY_HELP: /* help key 001 */ c = F1; break; #endif /* KEY_HELP */ #ifdef KEY_BACKSPACE case KEY_BACKSPACE: c = CH_DEL; /* backspace key (delete, not Ctrl-H) S/390 -- gil -- 2041 */ break; #endif /* KEY_BACKSPACE */ case KEY_F(1): c = F1; /* VTxxx Help */ break; #if defined(KEY_F) && !defined(__DJGPP__) && !defined(_WINDOWS) case KEY_F(16): c = DO_KEY; /* VTxxx Do */ break; #endif /* KEY_F */ #ifdef KEY_REDO case KEY_REDO: /* VTxxx Do */ c = DO_KEY; break; #endif /* KEY_REDO */ #ifdef KEY_FIND case KEY_FIND: c = FIND_KEY; /* VTxxx Find */ break; #endif /* KEY_FIND */ #ifdef KEY_SELECT case KEY_SELECT: c = SELECT_KEY; /* VTxxx Select */ break; #endif /* KEY_SELECT */ #ifdef KEY_IC case KEY_IC: c = INSERT_KEY; /* VTxxx Insert */ break; #endif /* KEY_IC */ #ifdef KEY_DC case KEY_DC: c = REMOVE_KEY; /* VTxxx Remove */ break; #endif /* KEY_DC */ #ifdef KEY_BTAB case KEY_BTAB: c = BACKTAB_KEY; /* Back tab, often Shift-Tab */ break; #endif /* KEY_BTAB */ #ifdef KEY_RESIZE case KEY_RESIZE: /* size change detected by ncurses */ #if defined(HAVE_SIZECHANGE) || defined(USE_SLANG) /* Make call to detect new size, if that may be implemented. * The call may set recent_sizechange (except for USE_SLANG), * which will tell mainloop() to refresh. - kw */ CTRACE((tfp, "Got KEY_RESIZE, recent_sizechange so far is %d\n", recent_sizechange)); size_change(0); CTRACE((tfp, "Now recent_sizechange is %d\n", recent_sizechange)); #else /* HAVE_SIZECHANGE || USE_SLANG */ CTRACE((tfp, "Got KEY_RESIZE, recent_sizechange is %d\n", recent_sizechange)); #endif /* HAVE_SIZECHANGE || USE_SLANG */ if (!recent_sizechange) { #if 0 /* assumption seems flawed? */ /* Not detected by us or already processed by us. It can * happens that ncurses lags behind us in detecting the * change, since its own SIGTSTP handler is not installed * so detecting happened *at the end* of the last refresh. * Tell it to refresh again... - kw */ LYrefresh(); #endif #if defined(NCURSES) /* * Work-around for scenario (Linux libc5) where we got a * recent sizechange before reading KEY_RESIZE. If we do * not reset the flag, we'll next get an EOF read, which * causes Lynx to exit. */ recent_sizechange = TRUE; #endif /* * May be just the delayed effect of mainloop()'s call * to resizeterm(). Pretend we haven't read anything * yet, don't return. - kw */ goto re_read; } /* * Yep, we agree there was a change. Return now so that * the caller can react to it. - kw */ c = DO_NOTHING; break; #endif /* KEY_RESIZE */ /* The following maps PDCurses keys away from lynx reserved values */ #if (defined(_WINDOWS) || defined(__DJGPP__)) && !defined(USE_SLANG) case KEY_F(2): c = 0x213; break; case KEY_F(3): c = 0x214; break; case KEY_F(4): c = 0x215; break; case KEY_F(5): c = 0x216; break; case KEY_F(6): c = 0x217; break; case KEY_F(7): c = 0x218; break; #endif /* PDCurses */ #if defined(USE_MOUSE) /********************************************************************/ #if defined(NCURSES) || defined(PDCURSES) case KEY_MOUSE: CTRACE((tfp, "KEY_MOUSE\n")); if (code == FOR_CHOICE) { c = MOUSE_KEY; /* Will be processed by the caller */ } #if defined(NCURSES) else if (code == FOR_SINGLEKEY) { MEVENT event; getmouse(&event); /* Completely ignore event - kw */ c = DO_NOTHING; } #endif else { #if defined(NCURSES) MEVENT event; int err; int lac = LYK_UNKNOWN; c = -1; mouse_link = -1; err = getmouse(&event); if (err != OK) { CTRACE((tfp, "Mouse error: no event available!\n")); return(code==FOR_PANEL ? 0 : DO_NOTHING); } levent = event; /* Allow setting pos in entry fields */ if (event.bstate & BUTTON1_CLICKED) { c = set_clicked_link(event.x, event.y, code, 1); } else if (event.bstate & BUTTON1_DOUBLE_CLICKED) { c = set_clicked_link(event.x, event.y, code, 2); if (c == LAC_TO_LKC0(LYK_SUBMIT) && code == FOR_INPUT) lac = LYK_SUBMIT; } else if (event.bstate & BUTTON3_CLICKED) { c = LAC_TO_LKC0(LYK_PREV_DOC); } else if (code == FOR_PROMPT /* Cannot ignore: see LYCurses.c */ || (event.bstate & ( BUTTON1_PRESSED | BUTTON1_RELEASED | BUTTON2_PRESSED | BUTTON2_RELEASED | BUTTON3_PRESSED | BUTTON3_RELEASED))) { /* Completely ignore - don't return anything, to avoid canceling the prompt - kw */ goto re_read; } else if (event.bstate & BUTTON2_CLICKED) { int atlink; c = set_clicked_link(event.x, event.y, code, 1); atlink = (c == LAC_TO_LKC0(LYK_ACTIVATE)); if (!atlink) mouse_link = -1; /* Forget about approx stuff. */ lac = LYmouse_menu(event.x, event.y, atlink, code); if (lac == LYK_SUBMIT) { if (mouse_link == -1) lac = LYK_ACTIVATE; #ifdef TEXTFIELDS_MAY_NEED_ACTIVATION else if (mouse_link >= 0 && textfields_need_activation && links[mouse_link].type == WWW_FORM_LINK_TYPE && F_TEXTLIKE(links[mouse_link].l_form->type)) lac = LYK_ACTIVATE; #endif } if (lac == LYK_ACTIVATE && mouse_link == -1) { HTAlert(gettext("No link chosen")); lac = LYK_REFRESH; } c = LAC_TO_LKC(lac); #if 0 /* Probably not necessary any more - kw */ lynx_force_repaint(); LYrefresh(); #endif } if (code == FOR_INPUT && mouse_link == -1 && lac != LYK_REFRESH && lac != LYK_SUBMIT) { ungetmouse(&event); /* Caller will process this. */ wgetch(LYwin); /* ungetmouse puts KEY_MOUSE back */ c = MOUSE_KEY; } #else /* pdcurses version */ #define H_CMD_AREA 6 #define HIST_CMD_2 12 #define V_CMD_AREA 1 int left = H_CMD_AREA; int right = (LYcols - H_CMD_AREA); /* yes, I am assuming that my screen will be a certain width. */ int tick_count; char *p = NULL; char mouse_info[128]; static int old_click = 0; /* [m Sec] */ c = -1; mouse_link = -1; if (!system_is_NT) { tick_count = GetTickCount(); /* Guard Mouse button miss click */ if ((tick_count - old_click) < 700) { c = DO_NOTHING; break; } else { old_click = tick_count; } } request_mouse_pos(); if (BUTTON_STATUS(1) & BUTTON_PRESSED) { if (MOUSE_Y_POS > (LYlines - V_CMD_AREA - 1)) { /* Screen BOTTOM */ if (MOUSE_X_POS < left) { c = LTARROW; p = "<-"; } else if (MOUSE_X_POS < HIST_CMD_2) { c = RTARROW; p = "->"; } else if (MOUSE_X_POS > right) { c = 'z'; p = "Cancel"; } else { c = PGDOWN; p = "PGDOWN"; } } else if (MOUSE_Y_POS < V_CMD_AREA) { /* Screen TOP */ if (MOUSE_X_POS < left) { c = LTARROW; p = "<-"; } else if (MOUSE_X_POS < HIST_CMD_2) { c = RTARROW; p = "->"; } else if (MOUSE_X_POS > right) { c = 'z'; p = "Cancel"; } else { c = PGUP; p = "PGUP"; } } else { c = set_clicked_link(MOUSE_X_POS, MOUSE_Y_POS, FOR_PANEL, 1); } } if (p && c != -1) { sprintf(mouse_info, "Mouse = 0x%x, [%s]", c, p); SetConsoleTitle(mouse_info); } #endif /* !(WIN_EX) */ if ((c+1) >= KEYMAP_SIZE && (c&LKC_ISLAC)) return(c); } break; #endif /* NCURSES || PDCURSES */ /********************************************************************/ #endif /* USE_MOUSE */ } #endif /* HAVE_KEYPAD */ #ifdef DJGPP_KEYHANDLER switch(c) { case K_Down: /* The four arrow keys ... */ case K_EDown: c = DNARROW; break; case K_Up: case K_EUp: c = UPARROW; break; case K_Left: case K_ELeft: c = LTARROW; break; case K_Right: /* ... */ case K_ERight: c = RTARROW; break; case K_Home: /* Home key (upward+left arrow) */ case K_EHome: c = HOME; break; case K_PageDown: /* Next page */ case K_EPageDown: c = PGDOWN; break; case K_PageUp: /* Previous page */ case K_EPageUp: c = PGUP; break; case K_End: /* home down or bottom (lower left) */ case K_EEnd: c = END_KEY; break; case K_F1: /* F1 key */ c = F1; break; case K_Insert: /* Insert key */ case K_EInsert: c = INSERT_KEY; break; case K_Delete: /* Delete key */ case K_EDelete: c = REMOVE_KEY; break; case K_Alt_Escape: /* Alt-Escape */ c = 0x1a7; break; case K_Control_At: /* CTRL-@ */ c = 0x1a8; break; case K_Alt_Backspace: /* Alt-Backspace */ c = 0x1a9; break; case K_BackTab: /* BackTab */ c = BACKTAB_KEY; break; } #endif /* DGJPP_KEYHANDLER */ #if defined(USE_SLANG) && (defined(__DJGPP__) || defined(__CYGWIN__)) && !defined(DJGPP_KEYHANDLER) && !defined(USE_KEYMAPS) switch(c) { case SL_KEY_DOWN: /* The four arrow keys ... */ c = DNARROW; break; case SL_KEY_UP: c = UPARROW; break; case SL_KEY_LEFT: c = LTARROW; break; case SL_KEY_RIGHT: /* ... */ c = RTARROW; break; case SL_KEY_HOME: /* Home key (upward+left arrow) */ case SL_KEY_A1: /* upper left of keypad */ c = HOME; break; case SL_KEY_NPAGE: /* Next page */ case SL_KEY_C3: /* lower right of keypad */ c = PGDOWN; break; case SL_KEY_PPAGE: /* Previous page */ case SL_KEY_A3: /* upper right of keypad */ c = PGUP; break; case SL_KEY_END: /* home down or bottom (lower left) */ case SL_KEY_C1: /* lower left of keypad */ c = END_KEY; break; case SL_KEY_F(1): /* F1 key */ c = F1; break; case SL_KEY_IC: /* Insert key */ c = INSERT_KEY; break; case SL_KEY_DELETE: /* Delete key */ c = REMOVE_KEY; break; } #endif /* USE_SLANG && __DJGPP__ && !DJGPP_KEYHANDLER && !USE_KEYMAPS */ } if (c&(LKC_ISLAC|LKC_ISLECLAC)) return(c); if ((c+1) >= KEYMAP_SIZE) { /* * Don't return raw values for KEYPAD symbols which we may have * missed in the switch above if they are obviously invalid when * used as an index into (e.g.) keypad[]. - KW */ return (0); } else { return(c|current_modifier); } } /************************************************************************/ #endif /* NOT defined(USE_KEYMAPS) && defined(USE_SLANG) */ PUBLIC int LYgetch NOARGS { return LYReadCmdKey(FOR_PANEL); } /* * Read a single keystroke, allows mouse-selection. */ PUBLIC int LYgetch_choice NOARGS { int ch = LYReadCmdKey(FOR_CHOICE); if (ch == LYCharINTERRUPT1) ch = LYCharINTERRUPT2; /* treat ^C the same as ^G */ return ch; } /* * Read a single keystroke, allows mouse events. */ PUBLIC int LYgetch_input NOARGS { int ch = LYReadCmdKey(FOR_INPUT); if (ch == LYCharINTERRUPT1) ch = LYCharINTERRUPT2; /* treat ^C the same as ^G */ return ch; } /* * Read a single keystroke, ignoring case by translating it to uppercase. * Ignore mouse events, if any. */ PUBLIC int LYgetch_single NOARGS { int ch = LYReadCmdKey(FOR_SINGLEKEY); if (ch == LYCharINTERRUPT1) ch = LYCharINTERRUPT2; /* treat ^C the same as ^G */ else if (ch > 0 && ch < 256) ch = TOUPPER(ch); /* will ignore case of result */ return ch; } /* * Convert a null-terminated string to lowercase */ PUBLIC void LYLowerCase ARGS1( char *, arg_buffer) { register unsigned char *buffer = (unsigned char *) arg_buffer; size_t i; for (i = 0; buffer[i]; i++) #ifdef SUPPORT_MULTIBYTE_EDIT /* 1998/11/23 (Mon) 17:04:55 */ { if ((buffer[i] & 0x80) != 0 && buffer[i+1] != 0) { if ((kanji_code == SJIS) && IS_SJIS_X0201KANA(UCH((buffer[i])))) { continue; } i++; } else { buffer[i] = UCH(TOLOWER(buffer[i])); } } #else buffer[i] = TOLOWER(buffer[i]); #endif } /* * Convert a null-terminated string to uppercase */ PUBLIC void LYUpperCase ARGS1( char *, arg_buffer) { register unsigned char *buffer = (unsigned char *) arg_buffer; size_t i; for (i = 0; buffer[i]; i++) #ifdef SUPPORT_MULTIBYTE_EDIT /* 1998/11/23 (Mon) 17:05:10 */ { if ((buffer[i] & 0x80) != 0 && buffer[i+1] != 0) { if ((kanji_code == SJIS) && IS_SJIS_X0201KANA(UCH((buffer[i])))) { continue; } i++; } else { buffer[i] = UCH(TOUPPER(buffer[i])); } } #else buffer[i] = UCH(TOUPPER(buffer[i])); #endif } /* * Remove newlines from a string, returning true if we removed any. */ PUBLIC BOOLEAN LYRemoveNewlines ARGS1( char *, buffer) { if (buffer != 0) { register char* buf = buffer; for ( ; *buf && *buf != '\n' && *buf != '\r'; buf++) ; if (*buf) { /* runs very seldom */ char * old = buf; for ( ; *old; old++) { if (*old != '\n' && *old != '\r') *buf++ = *old; } *buf = '\0'; return TRUE; } } return FALSE; } /* * Remove ALL whitespace from a string (including embedded blanks), and returns * a pointer to the end of the trimmed string. */ PUBLIC char * LYRemoveBlanks ARGS1( char *, buffer) { if (buffer != 0) { register char* buf = buffer; for ( ; *buf && !isspace(UCH(*buf)); buf++) ; if (*buf) { /* runs very seldom */ char * old = buf; for ( ; *old; old++) { if (!isspace(UCH(*old))) *buf++ = *old; } *buf = '\0'; } return buf; } return NULL; } /* * Skip whitespace */ PUBLIC char * LYSkipBlanks ARGS1( char *, buffer) { while (isspace(UCH((*buffer)))) buffer++; return buffer; } /* * Skip non-whitespace */ PUBLIC char * LYSkipNonBlanks ARGS1( char *, buffer) { while (*buffer != 0 && !isspace(UCH((*buffer)))) buffer++; return buffer; } /* * Skip CONST whitespace */ PUBLIC CONST char * LYSkipCBlanks ARGS1( CONST char *, buffer) { while (isspace(UCH((*buffer)))) buffer++; return buffer; } /* * Skip CONST non-whitespace */ PUBLIC CONST char * LYSkipCNonBlanks ARGS1( CONST char *, buffer) { while (*buffer != 0 && !isspace(UCH((*buffer)))) buffer++; return buffer; } /* * Trim leading blanks from a string */ PUBLIC void LYTrimLeading ARGS1( char *, buffer) { char *skipped = LYSkipBlanks(buffer); while ((*buffer++ = *skipped++) != 0) ; } /* * Trim trailing newline(s) from a string */ PUBLIC char * LYTrimNewline ARGS1( char *, buffer) { size_t i = strlen(buffer); while (i != 0 && (buffer[i-1] == '\n' || buffer[i-1] == '\r')) buffer[--i] = 0; return buffer; } /* * Trim trailing blanks from a string */ PUBLIC void LYTrimTrailing ARGS1( char *, buffer) { size_t i = strlen(buffer); while (i != 0 && isspace(UCH(buffer[i-1]))) buffer[--i] = 0; } /* 1997/11/10 (Mon) 14:26:10, originally string_short() in LYExterns.c, but * moved here because LYExterns is not always configured. */ PUBLIC char *LYElideString ARGS2( char *, str, int, cut_pos) { char buff[MAX_LINE], *s, *d; static char s_str[MAX_LINE]; int len; LYstrncpy(buff, str, sizeof(buff)-1); len = strlen(buff); if (len > (LYcols - 10)) { buff[cut_pos] = '.'; buff[cut_pos + 1] = '.'; for (s = (buff + len) - (LYcols - 10) + cut_pos + 1, d = (buff + cut_pos) + 2; s >= buff && d >= buff && d < buff + LYcols && (*d++ = *s++) != 0; ) ; buff[LYcols] = 0; } strcpy(s_str, buff); return (s_str); } /* * Trim a startfile, returning true if it looks like one of the Lynx tags. */ PUBLIC BOOLEAN LYTrimStartfile ARGS1( char *, buffer) { LYTrimHead(buffer); if (isLYNXEXEC(buffer) || isLYNXPROG(buffer)) { /* * The original implementations of these schemes expected * white space without hex escaping, and did not check * for hex escaping, so we'll continue to support that, * until that code is redone in conformance with SGML * principles. - FM */ HTUnEscapeSome(buffer, " \r\n\t"); convert_to_spaces(buffer, TRUE); return TRUE; } return FALSE; } /* * Escape unsafe characters in startfile, except for lynx internal URLs. */ PUBLIC void LYEscapeStartfile ARGS1( char **, buffer) { if (!LYTrimStartfile(*buffer)) { char *escaped = HTEscapeUnsafe(*buffer); StrAllocCopy(*buffer, escaped); FREE(escaped); } } /* * Trim all blanks from startfile, except for lynx internal URLs. */ PUBLIC void LYTrimAllStartfile ARGS1( char *, buffer) { if (!LYTrimStartfile(buffer)) { LYRemoveBlanks(buffer); } } /* ** Display the current value of the string and allow the user ** to edit it. */ #define EDREC EditFieldData /* * Shorthand to get rid of all most of the "edit->suchandsos". */ #define Buf edit->buffer #define Pos edit->pos #define StrLen edit->strlen #define MaxLen edit->maxlen #define DspWdth edit->dspwdth #define DspStart edit->xpan #define Margin edit->margin #ifdef ENHANCED_LINEEDIT #define Mark edit->mark #endif #ifdef ENHANCED_LINEEDIT PRIVATE char killbuffer[1024] = "\0"; #endif PUBLIC void LYSetupEdit ARGS4( EDREC *, edit, char *, old, int, maxstr, int, maxdsp) { /* * Initialize edit record */ LYGetYX(edit->sy, edit->sx); edit->pad = ' '; edit->dirty = TRUE; edit->panon = FALSE; edit->current_modifiers = 0; MaxLen = maxstr; DspWdth = maxdsp; Margin = 0; Pos = strlen(old); #ifdef ENHANCED_LINEEDIT Mark = -1; /* pos=0, but do not show it yet */ #endif DspStart = 0; if (maxstr > maxdsp) { /* Need panning? */ if (DspWdth > 4) /* Else "{}" take up precious screen space */ edit->panon = TRUE; /* * Figure out margins. If too big, we do a lot of unnecessary * scrolling. If too small, user doesn't have sufficient * look-ahead. Let's say 25% for each margin, upper bound is * 10 columns. */ Margin = DspWdth/4; if (Margin > 10) Margin = 10; } LYstrncpy(edit->buffer, old, maxstr); StrLen = strlen(edit->buffer); } #ifdef SUPPORT_MULTIBYTE_EDIT PRIVATE int prev_pos ARGS2( EDREC *, edit, int, pos) { int i = 0; if (pos <= 0) return 0; if (HTCJK == NOCJK) return (pos - 1); else { while (i < pos - 1) { int c; c = Buf[i]; if (is8bits(c) && !((kanji_code == SJIS) && IS_SJIS_X0201KANA(UCH(c)))) { i++; } i++; } if (i == pos) return (i - 2); else return i; } } #endif /* SUPPORT_MULTIBYTE_EDIT */ #ifdef EXP_KEYBOARD_LAYOUT static int map_active = 0; #else #define map_active 0 #endif PUBLIC int LYEditInsert ARGS5( EDREC *, edit, unsigned char *,s, int, len, int, map, BOOL, maxMessage) { int length = strlen(Buf); int remains = MaxLen - (length + len); int edited = 0, overflow = 0; /* * ch is (presumably) printable character. */ if (remains < 0) { overflow = 1; len = 0; if (MaxLen > length) /* Insert as much as we can */ len = MaxLen - length; else goto finish; } Buf[length + len] = '\0'; for(; length >= Pos; length--) /* Make room */ Buf[length + len] = Buf[length]; #ifdef EXP_KEYBOARD_LAYOUT if (map < 0) map = map_active; if (map && LYCharSet_UC[current_char_set].enc == UCT_ENC_UTF8) { int off = Pos; unsigned char *e = s + len; char *tail = 0; while (s < e) { char utfbuf[8]; int l = 1; utfbuf[0] = *s; if ( *s < 128 && LYKbLayouts[current_layout][*s] ) { UCode_t ucode = LYKbLayouts[current_layout][*s]; if (ucode > 127) { if (UCConvertUniToUtf8(ucode, utfbuf)) { l = strlen(utfbuf); remains -= l - 1; if (remains < 0) { if (tail) strcpy(Buf + off, tail); FREE(tail); len = off; overflow = 1; goto finish; } if (l > 1 && !tail) StrAllocCopy(tail, Buf + Pos + len); } else utfbuf[0] = '?'; } else utfbuf[0] = UCH(ucode); } strncpy(Buf + off, utfbuf, l); edited = 1; off += l; s++; } if (tail) strcpy(Buf + off, tail); len = off - Pos; FREE(tail); } else if (map) { unsigned char *e = s + len, *t = (unsigned char *)Buf + Pos; while (s < e) { int ch; if ( *s < 128 && LYKbLayouts[current_layout][*s] ) { ch = UCTransUniChar(LYKbLayouts[current_layout][*s], current_char_set); if (ch < 0) ch = '?'; } else ch = *s; *t = UCH(ch); t++, s++; } edited = 1; } else #endif /* defined EXP_KEYBOARD_LAYOUT */ { strncpy(Buf + Pos, (char *) s, len); edited = 1; } finish: Pos += len; StrLen += len; if (edited) edit->dirty = TRUE; if (overflow && maxMessage) _statusline(MAXLEN_REACHED_DEL_OR_MOV); #ifdef ENHANCED_LINEEDIT if (Mark > Pos) Mark += len; else if (Mark < -1 - Pos) Mark -= len; if (Mark >= 0) Mark = -1 - Mark; /* Disable it */ #endif return edited; } PUBLIC int LYEdit1 ARGS4( EDREC *, edit, int, ch, int, action, BOOL, maxMessage) { /* returns 0 character processed * -ch if action should be performed outside of line-editing mode * ch otherwise */ int i; int length; unsigned char uch; if (MaxLen <= 0) return(0); /* Be defensive */ length = strlen(&Buf[0]); StrLen = length; switch (action) { #ifdef EXP_KEYBOARD_LAYOUT case LYE_SWMAP: /* * Turn input character mapping on or off. */ map_active = ~map_active; break; #endif #ifndef CJK_EX case LYE_AIX: /* * Hex 97. * Fall through as a character for CJK, or if this is a valid * character in the current display character set. * Otherwise, we treat this as LYE_ENTER. */ if (HTCJK == NOCJK && LYlowest_eightbit[current_char_set] > 0x97) return(ch); /* FALLTHRU */ #endif case LYE_CHAR: uch = UCH(ch); LYEditInsert(edit, &uch, 1, map_active, maxMessage); return 0; /* All changes already registered */ case LYE_C1CHAR: /* * ch is the second part (in most cases, a capital letter) of * a 7-bit replacement for a character in the 8-bit C1 control * range. * This is meant to undo transformations like * 0x81 -> 0x1b 0x41 (ESC A) etc. done by slang on Unix and * possibly some comm programs. It's an imperfect workaround * that doesn't work for all such characters. */ ch &= 0xFF; if (ch + 64 >= LYlowest_eightbit[current_char_set]) ch += 64; if (Pos <= (MaxLen) && StrLen < (MaxLen)) { #ifdef ENHANCED_LINEEDIT if (Mark > Pos) Mark++; else if (Mark < -1 - Pos) Mark--; if (Mark >= 0) Mark = -1 - Mark; /* Disable it */ #endif for(i = length; i >= Pos; i--) /* Make room */ Buf[i+1] = Buf[i]; Buf[length+1]='\0'; Buf[Pos] = UCH(ch); Pos++; } else { if (maxMessage) { _statusline(MAXLEN_REACHED_DEL_OR_MOV); } return(ch); } break; case LYE_BACKW: #ifndef SUPPORT_MULTIBYTE_EDIT /* * Backword. * Definition of word is very naive: 1 or more a/n characters. */ while (Pos && !isalnum(Buf[Pos-1])) Pos--; while (Pos && isalnum(Buf[Pos-1])) Pos--; #else /* SUPPORT_MULTIBYTE_EDIT */ /* * Backword. * Definition of word is very naive: 1 or more a/n characters, * or 1 or more multibyte character. */ { int pos0; pos0 = prev_pos(edit, Pos); while (Pos && (HTCJK == NOCJK || !is8bits(Buf[pos0])) && !isalnum(UCH(Buf[pos0]))) { Pos = pos0; pos0 = prev_pos(edit, Pos); } if (HTCJK != NOCJK && is8bits(Buf[pos0])) { while (Pos && is8bits(Buf[pos0])) { Pos = pos0; pos0 = prev_pos(edit, Pos); } } else { while (Pos && !is8bits(Buf[pos0]) && isalnum(UCH(Buf[pos0]))) { Pos = pos0; pos0 = prev_pos(edit, Pos); } } } #endif /* SUPPORT_MULTIBYTE_EDIT */ break; case LYE_FORWW: /* * Word forward. */ #ifndef SUPPORT_MULTIBYTE_EDIT while (isalnum(Buf[Pos])) Pos++; /* '\0' is not a/n */ while (!isalnum(Buf[Pos]) && Buf[Pos]) Pos++ ; #else /* SUPPORT_MULTIBYTE_EDIT */ if (HTCJK != NOCJK && is8bits(Buf[Pos])) { while (is8bits(Buf[Pos])) Pos += 2; } else { while (!is8bits(Buf[Pos]) && isalnum(Buf[Pos])) Pos++; /* '\0' is not a/n */ } while ((HTCJK == NOCJK || !is8bits(Buf[Pos])) && !isalnum(UCH(Buf[Pos])) && Buf[Pos]) Pos++; #endif /* SUPPORT_MULTIBYTE_EDIT */ break; case LYE_ERASE: /* * Erase the line to start fresh. */ Buf[0] = '\0'; #ifdef ENHANCED_LINEEDIT Mark = -1; /* Do not show the mark */ #endif /* fall through */ case LYE_BOL: /* * Go to first column. */ Pos = 0; break; case LYE_EOL: /* * Go to last column. */ Pos = length; break; case LYE_DELNW: /* * Delete next word. */ { int pos0 = Pos; LYEdit1 (edit, 0, LYE_FORWW, FALSE); while (Pos > pos0) LYEdit1(edit, 0, LYE_DELP, FALSE); } break; case LYE_DELPW: /* * Delete previous word. */ { int pos0 = Pos; LYEdit1 (edit, 0, LYE_BACKW, FALSE); pos0 -= Pos; while (pos0--) LYEdit1(edit, 0, LYE_DELN, FALSE); } break; case LYE_DELBL: /* * Delete from current cursor position back to BOL. */ { int pos0 = Pos; while (pos0--) LYEdit1(edit, 0, LYE_DELP, FALSE); } break; case LYE_DELEL: /* @@@ */ /* * Delete from current cursor position thru EOL. */ { int pos0 = Pos; LYEdit1(edit, 0, LYE_EOL, FALSE); pos0 = Pos - pos0; while (pos0--) LYEdit1(edit, 0, LYE_DELP, FALSE); } break; case LYE_DELN: /* * Delete next character (I-beam style cursor), or current * character (box/underline style cursor). */ if (Pos >= length) break; #ifdef SUPPORT_MULTIBYTE_EDIT if (HTCJK != NOCJK && is8bits(Buf[Pos])) Pos++; #endif Pos++; /* fall through - DO NOT RELOCATE the LYE_DELN case wrt LYE_DELP */ case LYE_DELP: /* * Delete preceding character. */ #ifndef SUPPORT_MULTIBYTE_EDIT if (length == 0 || Pos == 0) break; #ifdef ENHANCED_LINEEDIT if (Mark >= 0) Mark = -1 - Mark; /* Disable it */ if (Mark <= -1 - Pos) Mark++; #endif Pos--; for (i = Pos; i < length; i++) Buf[i] = Buf[i+1]; i--; #else /* SUPPORT_MULTIBYTE_EDIT */ { int offset = 1; int pos0 = Pos; if (length == 0 || Pos == 0) break; if (HTCJK != NOCJK) { Pos = prev_pos(edit, pos0); offset = pos0 - Pos; } else Pos--; for (i = Pos; i < length; i++) Buf[i] = Buf[i + offset]; i -= offset; #ifdef ENHANCED_LINEEDIT if (Mark >= 0) Mark = -1 - Mark; /* Disable it */ if (Mark <= -1 - Pos) Mark += offset; #endif } #endif /* SUPPORT_MULTIBYTE_EDIT */ Buf[i] = 0; break; case LYE_FORW_RL: case LYE_FORW: /* * Move cursor to the right. */ #ifndef SUPPORT_MULTIBYTE_EDIT if (Pos < length) Pos++; #else /* SUPPORT_MULTIBYTE_EDIT */ if (Pos < length) { Pos++; if (HTCJK != NOCJK && is8bits(Buf[Pos-1])) Pos++; } #endif /* SUPPORT_MULTIBYTE_EDIT */ else if (action == LYE_FORW_RL) return -ch; break; case LYE_BACK_LL: case LYE_BACK: /* * Left-arrow move cursor to the left. */ #ifndef SUPPORT_MULTIBYTE_EDIT if (Pos > 0) Pos--; #else /* SUPPORT_MULTIBYTE_EDIT */ if (Pos > 0) { if (HTCJK != NOCJK) Pos = prev_pos(edit, Pos); else Pos--; } #endif /* SUPPORT_MULTIBYTE_EDIT */ else if (action == LYE_BACK_LL) return -ch; break; #ifdef ENHANCED_LINEEDIT case LYE_TPOS: /* * Transpose characters - bash or ksh(emacs not gmacs) style */ if (length <= 1 || Pos == 0) return(ch); if (Pos == length) Pos--; if (Mark < 0) Mark = -1 - Mark; /* Temporary enable it */ if (Mark == Pos || Mark == Pos+1) Mark = Pos-1; if (Mark >= 0) Mark = -1 - Mark; /* Disable it */ if (Buf[Pos-1] == Buf[Pos]) { Pos++; break; } i = Buf[Pos-1]; Buf[Pos-1] = Buf[Pos]; Buf[Pos++] = (char) i; break; case LYE_SETMARK: /* * primitive emacs-like set-mark-command */ Mark = Pos; return(0); case LYE_XPMARK: /* * emacs-like exchange-point-and-mark */ if (Mark < 0) Mark = -1 - Mark; /* Enable it */ if (Mark == Pos) return(0); i = Pos; Pos = Mark; Mark = i; break; case LYE_KILLREG: /* * primitive emacs-like kill-region */ if (Mark < 0) Mark = -1 - Mark; /* Enable it */ if (Mark == Pos) { killbuffer[0] = '\0'; return(0); } if (Mark > Pos) LYEdit1(edit, 0, LYE_XPMARK, FALSE); { int reglen = Pos - Mark; LYstrncpy(killbuffer, &Buf[Mark], HTMIN(reglen, (int)sizeof(killbuffer)-1)); for (i = Mark; Buf[i+reglen]; i++) Buf[i] = Buf[i+reglen]; Buf[i] = Buf[i+reglen]; /* terminate */ Pos = Mark; } if (Mark >= 0) Mark = -1 - Mark; /* Disable it */ break; case LYE_YANK: /* * primitive emacs-like yank */ if (!killbuffer[0]) { Mark = -1 - Pos; return(0); } { int yanklen = strlen(killbuffer); if (Pos+yanklen <= (MaxLen) && StrLen+yanklen <= (MaxLen)) { Mark = -1 - Pos; for(i = length; i >= Pos; i--) /* Make room */ Buf[i+yanklen] = Buf[i]; for (i = 0; i < yanklen; i++) Buf[Pos++] = UCH(killbuffer[i]); } else if (maxMessage) { _statusline(MAXLEN_REACHED_DEL_OR_MOV); } } break; #endif /* ENHANCED_LINEEDIT */ case LYE_UPPER: LYUpperCase(Buf); break; case LYE_LOWER: LYLowerCase(Buf); break; default: return(ch); } edit->dirty = TRUE; StrLen = strlen(&Buf[0]); return(0); } /* ** This function prompts for a choice or page number. ** If a 'g' or 'p' suffix is included, that will be ** loaded into c. Otherwise, c is zeroed. - FM & LE */ PUBLIC int get_popup_number ARGS3( char *, msg, int *, c, int *, rel) { char temp[120]; char *p = temp; int num; /* * Load the c argument into the prompt buffer. */ temp[0] = (char) *c; temp[1] = '\0'; _statusline(msg); /* * Get the number, possibly with a suffix, from the user. */ if (LYgetstr(temp, VISIBLE, sizeof(temp), NORECALL) < 0 || *temp == 0) { HTInfoMsg(CANCELLED); *c = '\0'; *rel = '\0'; return(0); } *rel = '\0'; num = atoi(p); while ( isdigit(UCH(*p)) ) ++p; switch ( *p ) { case '+': case '-': /* 123+ or 123- */ *rel = *p++; *c = *p; break; default: *c = *p++; *rel = *p; break; case 0: break; } /* * If we had a 'g' or 'p' suffix, load it into c. * Otherwise, zero c. Then return the number. */ if ( *p == 'g' || *p == 'G' ) { *c = 'g'; } else if (*p == 'p' || *p == 'P' ) { *c = 'p'; } else { *c = '\0'; } if ( *rel != '+' && *rel != '-' ) *rel = 0; return num; } #ifdef USE_COLOR_STYLE # define TmpStyleOn(s) curses_style((s), STACK_ON) # define TmpStyleOff(s) curses_style((s), STACK_OFF) #else # define TmpStyleOn(s) # define TmpStyleOff(s) #endif /* defined USE_COLOR_STYLE */ PUBLIC void LYRefreshEdit ARGS1( EDREC *, edit) { int i; int length; int nrdisplayed; int padsize; char *str; char buffer[3]; #ifdef SUPPORT_MULTIBYTE_EDIT int begin_multi = 0; int end_multi = 0; #endif /* SUPPORT_MULTIBYTE_EDIT */ #ifdef USE_COLOR_STYLE int estyle, prompting = 0; #endif buffer[0] = buffer[1] = buffer[2] = '\0'; if (!edit->dirty || (DspWdth == 0)) return; edit->dirty = FALSE; length=strlen(&Buf[0]); edit->strlen = length; /* * Now we have: * .--DspWdth---. * +---------+=============+-----------+ * | |M M| | (M=margin) * +---------+=============+-----------+ * 0 DspStart length * * Insertion point can be anywhere between 0 and stringlength. * Figure out new display starting point. * * The first "if" below makes Lynx scroll several columns at a time when * extending the string. Looks awful, but that way we can keep up with * data entry at low baudrates. */ if ((DspStart + DspWdth) <= length) { if (Pos >= (DspStart + DspWdth) - Margin) { #ifndef SUPPORT_MULTIBYTE_EDIT DspStart=(Pos - DspWdth) + Margin; #else /* SUPPORT_MULTIBYTE_EDIT */ if (HTCJK != NOCJK) { int tmp = (Pos - DspWdth) + Margin; while (DspStart < tmp) { if (is8bits(Buf[DspStart])) DspStart++; DspStart++; } } else { DspStart = (Pos - DspWdth) + Margin; } #endif /* SUPPORT_MULTIBYTE_EDIT */ } } if (Pos < DspStart + Margin) { #ifndef SUPPORT_MULTIBYTE_EDIT DspStart = Pos - Margin; if (DspStart < 0) DspStart = 0; #else /* SUPPORT_MULTIBYTE_EDIT */ if (HTCJK != NOCJK) { int tmp = Pos - Margin; DspStart = 0; while (DspStart < tmp) { if (is8bits(Buf[DspStart])) DspStart++; DspStart++; } } else { DspStart = Pos - Margin; if (DspStart < 0) DspStart = 0; } #endif /* SUPPORT_MULTIBYTE_EDIT */ } str = &Buf[DspStart]; #ifdef SUPPORT_MULTIBYTE_EDIT if (HTCJK != NOCJK && is8bits(str[0])) begin_multi = 1; #endif /* SUPPORT_MULTIBYTE_EDIT */ nrdisplayed = length-DspStart; if (nrdisplayed > DspWdth) nrdisplayed = DspWdth; LYmove(edit->sy, edit->sx); #ifdef USE_COLOR_STYLE /* * If this is the last screen line, set attributes to normal, * should only be needed for color styles. The curses function * may be used directly to avoid complications. - kw */ if (edit->sy == (LYlines - 1)) prompting = 1; if (prompting) estyle = s_prompt_edit; else estyle = s_aedit; CTRACE2(TRACE_STYLE, (tfp, "STYLE.getstr: switching to .\n", prompting ? "prompt" : "active")); if (estyle != NOSTYLE) curses_style(estyle, STACK_ON); else wattrset(LYwin,A_NORMAL); /* need to do something about colors? */ #endif if (edit->hidden) { for (i = 0; i < nrdisplayed; i++) LYaddch('*'); } else { #if defined(ENHANCED_LINEEDIT) && defined(USE_COLOR_STYLE) if (Mark >= 0 && DspStart > Mark) TmpStyleOn(prompting ? s_prompt_sel : s_aedit_sel); #endif for (i = 0; i < nrdisplayed; i++) { #if defined(ENHANCED_LINEEDIT) && defined(USE_COLOR_STYLE) if ( Mark >= 0 && ((DspStart + i == Mark && Pos > Mark) || (DspStart + i == Pos && Pos < Mark) )) TmpStyleOn(prompting ? s_prompt_sel : s_aedit_sel); if ( Mark >= 0 && ((DspStart + i == Mark && Pos < Mark) || (DspStart + i == Pos && Pos > Mark) )) TmpStyleOff(prompting ? s_prompt_sel : s_aedit_sel); #endif if ((buffer[0] = str[i]) == 1 || buffer[0] == 2 || (UCH(buffer[0]) == 160 && !(HTPassHighCtrlRaw || HTCJK != NOCJK || (LYCharSet_UC[current_char_set].enc != UCT_ENC_8859 && !(LYCharSet_UC[current_char_set].like8859 & UCT_R_8859SPECL))))) { LYaddch(' '); #ifdef SUPPORT_MULTIBYTE_EDIT end_multi = 0; #endif /* SUPPORT_MULTIBYTE_EDIT */ } else { /* For CJK strings, by Masanobu Kimura */ if (HTCJK != NOCJK && is8bits(buffer[0])) { if (i < (nrdisplayed - 1)) buffer[1] = str[++i]; #ifdef SUPPORT_MULTIBYTE_EDIT end_multi = (i < nrdisplayed); #if !(defined(USE_SLANG) || defined(WIDEC_CURSES)) { int ii, yy, xx; LYGetYX(yy, xx); for (ii = 0; buffer[ii] != '\0'; ++ii) LYaddch(' '); LYrefresh(); LYmove(yy, xx); } #endif /* USE_SLANG */ #endif /* SUPPORT_MULTIBYTE_EDIT */ LYaddstr(buffer); buffer[1] = '\0'; } else { LYaddstr(buffer); #ifdef SUPPORT_MULTIBYTE_EDIT end_multi = 0; #endif /* SUPPORT_MULTIBYTE_EDIT */ } } } #if defined(ENHANCED_LINEEDIT) && defined(USE_COLOR_STYLE) if (Mark >= 0 && ((DspStart + nrdisplayed <= Mark && DspStart + nrdisplayed > Pos) || (DspStart + nrdisplayed > Mark && DspStart + nrdisplayed <= Pos))) TmpStyleOff(prompting ? s_prompt_sel : s_aedit_sel); #endif } /* * Erase rest of input area. */ padsize = DspWdth-nrdisplayed; if (padsize) { TmpStyleOn(prompting ? s_prompt_edit_pad : s_aedit_pad); while (padsize--) LYaddch(UCH(edit->pad)); TmpStyleOff(prompting ? s_prompt_edit_pad : s_aedit_pad); } /* * Scrolling indicators. */ if (edit->panon) { if ((DspStart + nrdisplayed) < length) { int add_space = 0; TmpStyleOn(prompting ? s_prompt_edit_arr : s_aedit_arr); #ifdef SUPPORT_MULTIBYTE_EDIT if (end_multi) add_space = 1; #endif LYmove(edit->sy, edit->sx + nrdisplayed - 1 - add_space); if (add_space) LYaddch(' '); /* Needed with styles? */ LYaddch(ACS_RARROW); TmpStyleOff(prompting ? s_prompt_edit_arr : s_aedit_arr); } if (DspStart) { TmpStyleOn(prompting ? s_prompt_edit_arr : s_aedit_arr); LYmove(edit->sy, edit->sx); LYaddch(ACS_LARROW); #ifdef SUPPORT_MULTIBYTE_EDIT if (begin_multi) LYaddch(' '); /* Needed with styles? */ #endif /* SUPPORT_MULTIBYTE_EDIT */ TmpStyleOff(prompting ? s_prompt_edit_arr : s_aedit_arr); } } LYmove(edit->sy, edit->sx + Pos - DspStart); #ifdef USE_COLOR_STYLE if (estyle != NOSTYLE) curses_style(estyle, STACK_OFF); #endif LYrefresh(); } PRIVATE void reinsertEdit ARGS2( EditFieldData *, edit, char *, result) { if (result != 0) { LYEdit1(edit, '\0', LYE_ERASE, FALSE); while (*result != '\0') { LYLineEdit(edit, (int)(*result), FALSE); result++; } } } PRIVATE int caselessCmpList ARGS2( CONST void *, a, CONST void *, b) { return strcasecomp(*(CONST char *CONST *)a, *(CONST char *CONST *)b); } PRIVATE int normalCmpList ARGS2( CONST void *, a, CONST void *, b) { return strcmp(*(CONST char *CONST *)a, *(CONST char *CONST *)b); } PRIVATE char **sortedList ARGS2( HTList *, list, BOOL, ignorecase) { unsigned count = HTList_count(list); unsigned j = 0; unsigned k, jk; char **result = typecallocn(char *, count + 1); if (result == 0) outofmem(__FILE__, "sortedList"); while (!HTList_isEmpty(list)) result[j++] = HTList_nextObject(list); if (count > 1) { qsort((char *)result, count, sizeof(*result), ignorecase ? caselessCmpList : normalCmpList); /* remove duplicate entries from the sorted index */ for (j = 0; result[j] != 0; j++) { k = j; while (result[k] != 0 && !strcmp(result[j], result[k])) { k++; } k--; if (j != k) { for (jk = j; ; jk++) { result[jk] = result[jk + k - j]; if (result[jk] == 0) break; } } } } return result; } PUBLIC int LYarrayLength ARGS1( CONST char **, list) { int result = 0; while (*list++ != 0) result++; return result; } PUBLIC int LYarrayWidth ARGS1( CONST char **, list) { int result = 0; int check; while (*list != 0) { check = strlen(*list++); if (check > result) result = check; } return result; } PRIVATE void FormatChoiceNum ARGS4( char *, dst, int, num_choices, int, choice, CONST char *, value) { if (num_choices >= 0) { int digits = (num_choices > 9) ? 2 : 1; sprintf(dst, "%*d: %.*s", digits, (choice + 1), MAX_LINE - 9 - digits, value); } else { LYstrncpy(dst, value, MAX_LINE-1); } } PRIVATE unsigned options_width ARGS1( CONST char **, list) { unsigned width = 0; int count = 0; while (list[count] != 0) { if (strlen(list[count]) > width) { width = strlen(list[count]); } count++; } return width; } PRIVATE void draw_option ARGS7( WINDOW *, win, int, entry, int, width, BOOL, reversed, int, num_choices, int, number, CONST char *, value) { char Cnum[MAX_LINE]; FormatChoiceNum(Cnum, num_choices, number, ""); #ifdef USE_SLANG SLsmg_gotorc(win->top_y + entry, (win->left_x + 2)); LYaddstr(Cnum); if (reversed) SLsmg_set_color(2); SLsmg_write_nstring((char *)value, win->width); if (reversed) SLsmg_set_color(0); #else wmove(win, entry, 1); LynxWChangeStyle(win, s_menu_entry, STACK_ON); waddch(win, ' '); LynxWChangeStyle(win, s_menu_entry, STACK_OFF); LynxWChangeStyle(win, s_menu_number, STACK_ON); waddstr(win, Cnum); LynxWChangeStyle(win, s_menu_number, STACK_OFF); #ifdef USE_COLOR_STYLE LynxWChangeStyle(win, reversed ? s_menu_active : s_menu_entry, STACK_ON); #else if (reversed) wstart_reverse(win); #endif LYpaddstr(win, width, value); #ifdef USE_COLOR_STYLE LynxWChangeStyle(win, reversed ? s_menu_active : s_menu_entry, STACK_OFF); #else if (reversed) wstop_reverse(win); #endif LynxWChangeStyle(win, s_menu_entry, STACK_ON); waddch(win, ' '); LynxWChangeStyle(win, s_menu_entry, STACK_OFF); #endif /* USE_SLANG */ } /* * This function offers the choices for values of an * option via a popup window which functions like * that for selection of options in a form. - FM * * Also used for mouse popups with ncurses; this is indicated * by for_mouse. */ PUBLIC int LYhandlePopupList ARGS9( int, cur_choice, int, ly, int, lx, CONST char **, choices, int, width, int, i_length, int, disabled, BOOLEAN, for_mouse, BOOLEAN, numbered) { int c = 0, cmd = 0, i = 0, j = 0, rel = 0; int orig_choice; WINDOW * form_window; int num_choices = 0; int max_choices = 0; int top, bottom, length = -1; int window_offset = 0; int lines_to_show; char Cnum[64]; int Lnum; int npages; static char prev_target[MAX_LINE]; /* Search string buffer */ static char prev_target_buffer[MAX_LINE]; /* Next search buffer */ static BOOL first = TRUE; char *cp; int ch = 0, recall; int QueryTotal; int QueryNum; BOOLEAN FirstRecall = TRUE; BOOLEAN ReDraw = FALSE; int number; char buffer[MAX_LINE]; char *popup_status_msg = NULL; CONST char **Cptr = NULL; #define CAN_SCROLL_DOWN 1 #define CAN_SCROLL_UP 2 #define CAN_SCROLL 4 int can_scroll = 0, can_scroll_was = 0; orig_choice = cur_choice; if (cur_choice < 0) cur_choice = 0; /* * Initialize the search string buffer. - FM */ if (first) { *prev_target_buffer = '\0'; first = FALSE; } *prev_target = '\0'; QueryTotal = (search_queries ? HTList_count(search_queries) : 0); recall = ((QueryTotal >= 1) ? RECALL_URL : NORECALL); QueryNum = QueryTotal; /* * Count the number of choices to be displayed, where * num_choices ranges from 0 to n, and set width to the * longest choice string length. Also set Lnum to the * length for the highest choice number, then decrement * num_choices so as to be zero-based. The window width * will be based on the sum of width and Lnum. - FM */ num_choices = LYarrayLength(choices) - 1; if (width <= 0) width = options_width(choices); if (numbered) { sprintf(Cnum, "%d: ", num_choices); Lnum = strlen(Cnum); max_choices = num_choices; } else { Lnum = 0; max_choices = -1; } /* * Let's assume for the sake of sanity that ly is the number * corresponding to the line the choice is on. * Let's also assume that cur_choice is the number of the * item that should be initially selected, as 0 being the * first item. * So what we have, is the top equal to the current screen line * subtracting the cur_choice + 1 (the one must be for the * top line we will draw in a box). If the top goes under 0, * consider it 0. */ top = ly - (cur_choice + 1); if (top < 0) top = 0; /* * Check and see if we need to put the i_length parameter up to * the number of real choices. */ if (i_length < 1) { i_length = num_choices; } else { /* * Otherwise, it is really one number too high. */ i_length--; } /* * The bottom is the value of the top plus the number of options * to view plus 3 (one for the top line, one for the bottom line, * and one to offset the 0 counted in the num_choices). */ bottom = top + i_length + 3; /* * Set lines_to_show based on the user_mode global. */ if (user_mode == NOVICE_MODE) lines_to_show = LYlines-4; else lines_to_show = LYlines-2; if (for_mouse && user_mode == NOVICE_MODE && lines_to_show > 2) lines_to_show--; /* * Hmm... If the bottom goes beyond the number of lines available, */ if (bottom > lines_to_show) { /* * Position the window at the top if we have more * choices than will fit in the window. */ if ((i_length + 3) > lines_to_show) { top = 0; bottom = (top + (i_length + 3)); if (bottom > lines_to_show) bottom = (lines_to_show + 1); } else { /* * Try to position the window so that the selected choice will * appear where the selection box currently is positioned. * It could end up too high, at this point, but we'll move it * down latter, if that has happened. */ top = (lines_to_show + 1) - (i_length + 3); bottom = (lines_to_show + 1); } } /* * This is really fun, when the length is 4, it means 0 to 4, or 5. */ length = (bottom - top) - 2; if (length <= num_choices) can_scroll = CAN_SCROLL; /* * Move the window down if it's too high. */ if (bottom < ly + 2) { bottom = ly + 2; if (bottom > lines_to_show + 1) bottom = lines_to_show + 1; top = bottom - length - 2; } if (for_mouse) { /* shift horizontally to lie within screen width, if possible */ if (Lnum + (int)width + 4 < LYcols) { if (lx - 1 + (Lnum + (int)width + 4) > LYcols) lx = LYcols + 1 - (Lnum + width + 4); else if (lx <= 0) lx = 1; } } /* * Set up the overall window, including the boxing characters ('*'), * if it all fits. Otherwise, set up the widest window possible. - FM */ if (num_choices <= 0 || cur_choice > num_choices || (form_window = LYstartPopup(top, lx, bottom - top, Lnum + width)) == 0) return(orig_choice); /* * Clear the command line and write * the popup statusline. - FM */ LYmove((LYlines - 2), 0); LYclrtoeol(); if (disabled) { popup_status_msg = CHOICE_LIST_UNM_MSG; } else if (!for_mouse) { popup_status_msg = CHOICE_LIST_MESSAGE; #if defined(USE_MOUSE) && (defined(NCURSES) || defined(PDCURSES)) } else { popup_status_msg = gettext( "Left mouse button or return to select, arrow keys to scroll."); #endif } _statusline(popup_status_msg); /* * Set up the window_offset for choices. * cur_choice ranges from 0...n * length ranges from 0...m */ if (cur_choice >= length) { window_offset = cur_choice - length + 1; } /* * Compute the number of popup window pages. - FM */ npages = ((num_choices + 1) > length) ? (((num_choices + 1) + (length - 1))/(length)) : 1; /* * OH! I LOVE GOTOs! hack hack hack */ redraw: /* * Display the boxed choices. */ for (i = 0; i <= num_choices; i++) { if (i >= window_offset && i - window_offset < length) { draw_option (form_window, ((i + 1) - window_offset), width, FALSE, max_choices, i, choices[i]); } } LYbox(form_window, (BOOLEAN)!numbered); Cptr = NULL; /* * Loop on user input. */ while (cmd != LYK_ACTIVATE) { int row = ((i + 1) - window_offset); /* Show scroll indicators. */ if (can_scroll) { can_scroll = ((window_offset ? CAN_SCROLL_UP : 0) | (num_choices - window_offset >= length ? CAN_SCROLL_DOWN : 0)); if (~can_scroll & can_scroll_was) { /* Need to redraw */ LYbox(form_window, (BOOLEAN)!numbered); can_scroll_was = 0; } if (can_scroll & ~can_scroll_was & CAN_SCROLL_UP) { wmove(form_window, 1, Lnum + width + 3); LynxWChangeStyle(form_window, s_menu_sb, STACK_ON); waddch(form_window, ACS_UARROW); LynxWChangeStyle(form_window, s_menu_sb, STACK_OFF); } if (can_scroll & ~can_scroll_was & CAN_SCROLL_DOWN) { wmove(form_window, length, Lnum + width + 3); LynxWChangeStyle(form_window, s_menu_sb, STACK_ON); waddch(form_window, ACS_DARROW); LynxWChangeStyle(form_window, s_menu_sb, STACK_OFF); } } /* * Unreverse cur choice. */ if (Cptr != NULL) { draw_option (form_window, row, width, FALSE, max_choices, i, Cptr[i]); } Cptr = choices; i = cur_choice; row = ((cur_choice + 1) - window_offset); draw_option (form_window, row, width, TRUE, max_choices, cur_choice, Cptr[cur_choice]); LYstowCursor(form_window, row, 1); c = LYgetch_choice(); if (term_options || LYCharIsINTERRUPT(c)) { /* Control-C or Control-G */ cmd = LYK_QUIT; #ifndef USE_SLANG } else if (c == MOUSE_KEY) { if ((cmd = fancy_mouse(form_window, row, &cur_choice)) < 0) goto redraw; if (cmd == LYK_ACTIVATE) break; #endif } else { cmd = LKC_TO_LAC(keymap,c); } #ifdef VMS if (HadVMSInterrupt) { HadVMSInterrupt = FALSE; cmd = LYK_QUIT; } #endif /* VMS */ switch(cmd) { case LYK_F_LINK_NUM: c = '\0'; /* FALLTHRU */ case LYK_1: /* FALLTHRU */ case LYK_2: /* FALLTHRU */ case LYK_3: /* FALLTHRU */ case LYK_4: /* FALLTHRU */ case LYK_5: /* FALLTHRU */ case LYK_6: /* FALLTHRU */ case LYK_7: /* FALLTHRU */ case LYK_8: /* FALLTHRU */ case LYK_9: /* * Get a number from the user, possibly with * a 'g' or 'p' suffix (which will be loaded * into c). - FM & LE */ number = get_popup_number(SELECT_OPTION_NUMBER, &c, &rel); /* handle + or - suffix */ CTRACE((tfp,"got popup option number %d, ",number)); CTRACE((tfp,"rel='%c', c='%c', cur_choice=%d\n", rel, c, cur_choice)); if ( c == 'p' ) { int curpage = ((cur_choice + 1) > length) ? (((cur_choice + 1) + (length - 1))/(length)) : 1; CTRACE((tfp," curpage=%d\n",curpage)); if ( rel == '+' ) number = curpage + number; else if ( rel == '-' ) number = curpage - number; } else if ( rel == '+' ) { number = cur_choice + number + 1; } else if ( rel == '-' ) { number = cur_choice - number + 1; } if ( rel ) CTRACE((tfp,"new number=%d\n",number)); /* * Check for a 'p' suffix. - FM */ if (c == 'p') { /* * Treat 1 or less as the first page. - FM */ if (number <= 1) { if (window_offset == 0) { HTUserMsg(ALREADY_AT_OPTION_BEGIN); _statusline(popup_status_msg); break; } window_offset = 0; cur_choice = 0; _statusline(popup_status_msg); goto redraw; } /* * Treat a number equal to or greater than the * number of pages as the last page. - FM */ if (number >= npages) { if (window_offset >= ((num_choices - length) + 1)) { HTUserMsg(ALREADY_AT_OPTION_END); _statusline(popup_status_msg); break; } window_offset = ((npages - 1) * length); if (window_offset > (num_choices - length)) { window_offset = (num_choices - length + 1); } if (cur_choice < window_offset) cur_choice = window_offset; _statusline(popup_status_msg); goto redraw; } /* * We want an intermediate page. - FM */ if (((number - 1) * length) == window_offset) { char *msg = 0; HTSprintf0(&msg, ALREADY_AT_OPTION_PAGE, number); HTUserMsg(msg); FREE(msg); _statusline(popup_status_msg); break; } cur_choice = window_offset = ((number - 1) * length); _statusline(popup_status_msg); goto redraw; } /* * Check for a positive number, which signifies * that a choice should be sought. - FM */ if (number > 0) { /* * Decrement the number so as to correspond * with our cur_choice values. - FM */ number--; /* * If the number is in range and had no legal * suffix, select the indicated choice. - FM */ if (number <= num_choices && c == '\0') { cur_choice = number; cmd = LYK_ACTIVATE; break; } /* * Verify that we had a 'g' suffix, * and act on the number. - FM */ if (c == 'g') { if (cur_choice == number) { /* * The choice already is current. - FM */ char *msg = 0; HTSprintf0(&msg, OPTION_ALREADY_CURRENT, (number + 1)); HTUserMsg(msg); FREE(msg); _statusline(popup_status_msg); break; } if (number <= num_choices) { /* * The number is in range and had a 'g' * suffix, so make it the current option, * scrolling if needed. - FM */ j = (number - cur_choice); cur_choice = number; if ((j > 0) && (cur_choice - window_offset) >= length) { window_offset += j; if (window_offset > (num_choices - length + 1)) window_offset = (num_choices - length + 1); } else if ((cur_choice - window_offset) < 0) { window_offset -= abs(j); if (window_offset < 0) window_offset = 0; } _statusline(popup_status_msg); goto redraw; } /* * Not in range. - FM */ HTUserMsg(BAD_OPTION_NUM_ENTERED); } } /* * Restore the popup statusline. - FM */ _statusline(popup_status_msg); break; case LYK_PREV_LINK: case LYK_LPOS_PREV_LINK: case LYK_FASTBACKW_LINK: case LYK_UP_LINK: if (cur_choice > 0) cur_choice--; /* * Scroll the window up if necessary. */ if ((cur_choice - window_offset) < 0) { window_offset--; goto redraw; } break; case LYK_NEXT_LINK: case LYK_LPOS_NEXT_LINK: case LYK_FASTFORW_LINK: case LYK_DOWN_LINK: if (cur_choice < num_choices) cur_choice++; /* * Scroll the window down if necessary */ if ((cur_choice - window_offset) >= length) { window_offset++; goto redraw; } break; case LYK_NEXT_PAGE: /* * Okay, are we on the last page of the list? * If not then, */ if (window_offset != (num_choices - length + 1)) { /* * Modify the current choice to not be a * coordinate in the list, but a coordinate * on the item selected in the window. */ cur_choice -= window_offset; /* * Page down the proper length for the list. * If simply to far, back up. */ window_offset += length; if (window_offset > (num_choices - length)) { window_offset = (num_choices - length + 1); } /* * Readjust the current selection to be a * list coordinate rather than window. * Redraw this thing. */ cur_choice += window_offset; goto redraw; } else if (cur_choice < num_choices) { /* * Already on last page of the list so just * redraw it with the last item selected. */ cur_choice = num_choices; } break; case LYK_PREV_PAGE: /* * Are we on the first page of the list? * If not then, */ if (window_offset != 0) { /* * Modify the current selection to not be a * list coordinate, but a window coordinate. */ cur_choice -= window_offset; /* * Page up the proper length. * If too far, back up. */ window_offset -= length; if (window_offset < 0) { window_offset = 0; } /* * Readjust the current choice. */ cur_choice += window_offset; goto redraw; } else if (cur_choice > 0) { /* * Already on the first page so just * back up to the first item. */ cur_choice = 0; } break; case LYK_HOME: cur_choice = 0; if (window_offset > 0) { window_offset = 0; goto redraw; } break; case LYK_END: cur_choice = num_choices; if (window_offset != (num_choices - length + 1)) { window_offset = (num_choices - length + 1); goto redraw; } break; case LYK_DOWN_TWO: cur_choice += 2; if (cur_choice > num_choices) cur_choice = num_choices; /* * Scroll the window down if necessary. */ if ((cur_choice - window_offset) >= length) { window_offset += 2; if (window_offset > (num_choices - length + 1)) window_offset = (num_choices - length + 1); goto redraw; } break; case LYK_UP_TWO: cur_choice -= 2; if (cur_choice < 0) cur_choice = 0; /* * Scroll the window up if necessary. */ if ((cur_choice - window_offset) < 0) { window_offset -= 2; if (window_offset < 0) window_offset = 0; goto redraw; } break; case LYK_DOWN_HALF: cur_choice += (length/2); if (cur_choice > num_choices) cur_choice = num_choices; /* * Scroll the window down if necessary. */ if ((cur_choice - window_offset) >= length) { window_offset += (length/2); if (window_offset > (num_choices - length + 1)) window_offset = (num_choices - length + 1); goto redraw; } break; case LYK_UP_HALF: cur_choice -= (length/2); if (cur_choice < 0) cur_choice = 0; /* * Scroll the window up if necessary. */ if ((cur_choice - window_offset) < 0) { window_offset -= (length/2); if (window_offset < 0) window_offset = 0; goto redraw; } break; case LYK_REFRESH: lynx_force_repaint(); LYrefresh(); break; case LYK_NEXT: if (recall && *prev_target_buffer == '\0') { /* * We got a 'n'ext command with no prior query * specified within the popup window. See if * one was entered when the popup was retracted, * and if so, assume that's what's wanted. Note * that it will become the default within popups, * unless another is entered within a popup. If * the within popup default is to be changed at * that point, use WHEREIS ('/') and enter it, * or the up- or down-arrow keys to seek any of * the previously entered queries, regardless of * whether they were entered within or outside * of a popup window. - FM */ if ((cp = (char *)HTList_objectAt(search_queries, 0)) != NULL) { LYstrncpy(prev_target_buffer, cp, sizeof(prev_target_buffer) - 1); QueryNum = 0; FirstRecall = FALSE; } } strcpy(prev_target, prev_target_buffer); /* FALLTHRU */ case LYK_WHEREIS: if (*prev_target == '\0' ) { _statusline(ENTER_WHEREIS_QUERY); if ((ch = LYgetstr(prev_target, VISIBLE, sizeof(prev_target_buffer), recall)) < 0) { /* * User cancelled the search via ^G. - FM */ HTInfoMsg(CANCELLED); goto restore_popup_statusline; } } check_recall: if (*prev_target == '\0' && !(recall && (ch == UPARROW || ch == DNARROW))) { /* * No entry. Simply break. - FM */ HTInfoMsg(CANCELLED); goto restore_popup_statusline; } if (recall && ch == UPARROW) { if (FirstRecall) { /* * Use the current string or * last query in the list. - FM */ FirstRecall = FALSE; if (*prev_target_buffer) { for (QueryNum = (QueryTotal - 1); QueryNum > 0; QueryNum--) { if ((cp = (char *)HTList_objectAt( search_queries, QueryNum)) != NULL && !strcmp(prev_target_buffer, cp)) { break; } } } else { QueryNum = 0; } } else { /* * Go back to the previous query in the list. - FM */ QueryNum++; } if (QueryNum >= QueryTotal) { /* * Roll around to the last query in the list. - FM */ QueryNum = 0; } if ((cp = (char *)HTList_objectAt(search_queries, QueryNum)) != NULL) { LYstrncpy(prev_target, cp, sizeof(prev_target) - 1); if (*prev_target_buffer && !strcmp(prev_target_buffer, prev_target)) { _statusline(EDIT_CURRENT_QUERY); } else if ((*prev_target_buffer && QueryTotal == 2) || (!(*prev_target_buffer) && QueryTotal == 1)) { _statusline(EDIT_THE_PREV_QUERY); } else { _statusline(EDIT_A_PREV_QUERY); } if ((ch = LYgetstr(prev_target, VISIBLE, sizeof(prev_target_buffer), recall)) < 0) { /* * User cancelled the search via ^G. - FM */ HTInfoMsg(CANCELLED); goto restore_popup_statusline; } goto check_recall; } } else if (recall && ch == DNARROW) { if (FirstRecall) { /* * Use the current string or * first query in the list. - FM */ FirstRecall = FALSE; if (*prev_target_buffer) { for (QueryNum = 0; QueryNum < (QueryTotal - 1); QueryNum++) { if ((cp = (char *)HTList_objectAt( search_queries, QueryNum)) != NULL && !strcmp(prev_target_buffer, cp)) { break; } } } else { QueryNum = (QueryTotal - 1); } } else { /* * Advance to the next query in the list. - FM */ QueryNum--; } if (QueryNum < 0) { /* * Roll around to the first query in the list. - FM */ QueryNum = (QueryTotal - 1); } if ((cp = (char *)HTList_objectAt(search_queries, QueryNum)) != NULL) { LYstrncpy(prev_target, cp, sizeof(prev_target) - 1); if (*prev_target_buffer && !strcmp(prev_target_buffer, prev_target)) { _statusline(EDIT_CURRENT_QUERY); } else if ((*prev_target_buffer && QueryTotal == 2) || (!(*prev_target_buffer) && QueryTotal == 1)) { _statusline(EDIT_THE_PREV_QUERY); } else { _statusline(EDIT_A_PREV_QUERY); } if ((ch = LYgetstr(prev_target, VISIBLE, sizeof(prev_target_buffer), recall)) < 0) { /* * User cancelled the search via ^G. - FM */ HTInfoMsg(CANCELLED); goto restore_popup_statusline; } goto check_recall; } } /* * Replace the search string buffer with the new target. - FM */ strcpy(prev_target_buffer, prev_target); HTAddSearchQuery(prev_target_buffer); /* * Start search at the next choice. - FM */ for (j = 1; Cptr[i+j] != NULL; j++) { FormatChoiceNum(buffer, max_choices, (i + j), Cptr[i+j]); if (case_sensitive) { if (strstr(buffer, prev_target_buffer) != NULL) break; } else { if (LYstrstr(buffer, prev_target_buffer) != NULL) break; } } if (Cptr[i+j] != NULL) { /* * We have a hit, so make that choice the current. - FM */ cur_choice += j; /* * Scroll the window down if necessary. */ if ((cur_choice - window_offset) >= length) { window_offset += j; if (window_offset > (num_choices - length + 1)) window_offset = (num_choices - length + 1); ReDraw = TRUE; } goto restore_popup_statusline; } /* * If we started at the beginning, it can't be present. - FM */ if (cur_choice == 0) { HTUserMsg2(STRING_NOT_FOUND, prev_target_buffer); goto restore_popup_statusline; } /* * Search from the beginning to the current choice. - FM */ for (j = 0; j < cur_choice; j++) { FormatChoiceNum(buffer, max_choices, (j + 1), Cptr[j]); if (case_sensitive) { if (strstr(buffer, prev_target_buffer) != NULL) break; } else { if (LYstrstr(buffer, prev_target_buffer) != NULL) break; } } if (j < cur_choice) { /* * We have a hit, so make that choice the current. - FM */ j = (cur_choice - j); cur_choice -= j; /* * Scroll the window up if necessary. */ if ((cur_choice - window_offset) < 0) { window_offset -= j; if (window_offset < 0) window_offset = 0; ReDraw = TRUE; } goto restore_popup_statusline; } /* * Didn't find it in the preceding choices either. - FM */ HTUserMsg2(STRING_NOT_FOUND, prev_target_buffer); restore_popup_statusline: /* * Restore the popup statusline and * reset the search variables. - FM */ _statusline(popup_status_msg); *prev_target = '\0'; QueryTotal = (search_queries ? HTList_count(search_queries) : 0); recall = ((QueryTotal >= 1) ? RECALL_URL : NORECALL); QueryNum = QueryTotal; if (ReDraw == TRUE) { ReDraw = FALSE; goto redraw; } break; case LYK_QUIT: case LYK_ABORT: case LYK_PREV_DOC: case LYK_INTERRUPT: cur_choice = orig_choice; cmd = LYK_ACTIVATE; /* to exit */ break; } } LYstopPopup(); return(disabled ? orig_choice : cur_choice); } #define CurModif MyEdit.current_modifiers PUBLIC int LYgetstr ARGS4( char *, inputline, int, hidden, size_t, bufsize, RecallType, recall) { int x, y, MaxStringSize; int ch; int xlec = -2; int last_xlec = -1; int last_xlkc = -1; EditFieldData MyEdit; #ifdef SUPPORT_MULTIBYTE_EDIT BOOL refresh_mb = TRUE; #endif /* SUPPORT_MULTIBYTE_EDIT */ LYGetYX(y, x); /* Use screen from cursor position to eol */ MaxStringSize = (bufsize < sizeof(MyEdit.buffer)) ? (bufsize - 1) : (sizeof(MyEdit.buffer) - 1); LYSetupEdit(&MyEdit, inputline, MaxStringSize, (LYcols-1)-x); MyEdit.hidden = (BOOL) hidden ; CTRACE((tfp, "called LYgetstr\n")); for (;;) { again: #ifndef SUPPORT_MULTIBYTE_EDIT LYRefreshEdit(&MyEdit); #else /* SUPPORT_MULTIBYTE_EDIT */ if (refresh_mb) LYRefreshEdit(&MyEdit); #endif /* SUPPORT_MULTIBYTE_EDIT */ ch = LYReadCmdKey(FOR_PROMPT); #ifdef SUPPORT_MULTIBYTE_EDIT #ifdef CJK_EX /* for SJIS code */ if (!refresh_mb && (EditBinding(ch) != LYE_CHAR)) goto again; #else if (!refresh_mb && (EditBinding(ch) != LYE_CHAR) && (EditBinding(ch) != LYE_AIX)) goto again; #endif #endif /* SUPPORT_MULTIBYTE_EDIT */ if (term_letter || term_options #ifdef VMS || HadVMSInterrupt #endif /* VMS */ #ifndef DISABLE_NEWS || term_message #endif ) { #ifdef VMS HadVMSInterrupt = FALSE; #endif /* VMS */ ch = LYCharINTERRUPT2; } if (recall != NORECALL && (ch == UPARROW || ch == DNARROW)) { LYstrncpy(inputline, MyEdit.buffer, (int)bufsize); LYAddToCloset(recall, MyEdit.buffer); CTRACE((tfp, "LYgetstr(%s) recall\n", inputline)); return(ch); } ch |= CurModif; CurModif = 0; if (last_xlkc != -1) { if (ch == last_xlkc) ch |= LKC_MOD3; last_xlkc = -1; /* consumed */ } #ifndef WIN_EX if (LKC_TO_LAC(keymap,ch) == LYK_REFRESH) goto again; #endif last_xlec = xlec; xlec = EditBinding(ch); if ((xlec & LYE_DF) && !(xlec & LYE_FORM_LAC)) { last_xlkc = ch; xlec &= ~LYE_DF; } else { last_xlkc = -1; } switch (xlec) { case LYE_SETM1: /* * Set flag for modifier 1. */ CurModif |= LKC_MOD1; break; case LYE_SETM2: /* * Set flag for modifier 2. */ CurModif |= LKC_MOD2; break; case LYE_TAB: if (xlec == last_xlec && recall != NORECALL) { HTList *list = whichRecall(recall); if (!HTList_isEmpty(list)) { char **data = sortedList(list, (BOOL)(recall == RECALL_CMD)); int old_y, old_x; int cur_choice = 0; int num_options = LYarrayLength((CONST char **)data); while (cur_choice < num_options && strcasecomp(data[cur_choice], MyEdit.buffer) < 0) cur_choice++; LYGetYX(old_y, old_x); cur_choice = LYhandlePopupList( cur_choice, 0, old_x, (CONST char **)data, -1, -1, FALSE, FALSE, TRUE); if (cur_choice >= 0) { if (recall == RECALL_CMD) _statusline(": "); reinsertEdit(&MyEdit, data[cur_choice]); } wmove(LYwin, old_y, old_x); FREE(data); } } else { reinsertEdit(&MyEdit, LYFindInCloset(recall, MyEdit.buffer)); } break; #ifndef CJK_EX /* 1997/11/03 (Mon) 20:13:45 */ case LYE_AIX: /* * Hex 97. * Treat as a character for CJK, or if this is a valid * character in the current display character set. * Otherwise, we treat this as LYE_ENTER. */ if (ch != '\t' && (HTCJK != NOCJK || LYlowest_eightbit[current_char_set] <= 0x97)) { LYLineEdit(&MyEdit,ch, FALSE); break; } /* FALLTHRU */ #endif case LYE_ENTER: /* * Terminate the string and return. */ LYstrncpy(inputline, MyEdit.buffer, (int)bufsize); if (!hidden) LYAddToCloset(recall, MyEdit.buffer); CTRACE((tfp, "LYgetstr(%s) LYE_ENTER\n", inputline)); return(ch); #ifdef CAN_CUT_AND_PASTE /* 1998/10/01 (Thu) 15:05:49 */ case LYE_PASTE: { unsigned char *s = (unsigned char *) get_clip_grab(), *e; int len; if (!s) break; len = strlen((const char *) s); e = s + len; if (len > 0) { unsigned char *e1 = s; while (e1 < e) { if (*e1 < ' ') { /* Stop here? */ if (e1 > s) LYEditInsert(&MyEdit, s, e1 - s, map_active, TRUE); s = e1; if (*e1 == '\t') { /* Replace by space */ LYEditInsert(&MyEdit, (unsigned char * ) " ", 1, map_active, TRUE); s = ++e1; } else break; } else ++e1; } if (e1 > s) LYEditInsert(&MyEdit, s, e1 - s, map_active, TRUE); } get_clip_release(); break; } #endif case LYE_ABORT: /* * Control-C or Control-G aborts. */ inputline[0] = '\0'; CTRACE((tfp, "LYgetstr LYE_ABORT\n")); return(-1); case LYE_STOP: /* * Deactivate. */ CTRACE((tfp, "LYgetstr LYE_STOP\n")); #ifdef TEXTFIELDS_MAY_NEED_ACTIVATION textfields_need_activation = TRUE; return(-1); #else #ifdef ENHANCED_LINEEDIT if (Mark >= 0) Mark = -1 - Mark; /* Disable it */ #endif #endif break; case LYE_LKCMD: /* * Used only in form_getstr() for invoking * the LYK_F_LINK_NUM prompt when in form * text fields. - FM */ break; case LYE_FORM_PASS: /* * Used in form_getstr() to end line editing and * pass on the input char/lynxkeycode. Here it * is just ignored. - kw */ break; default: if (xlec & LYE_FORM_LAC) { /* * Used in form_getstr() to end line editing and * pass on the lynxkeycode already containing a * lynxactioncode. Here it is just ignored. - kw */ break; } #ifndef SUPPORT_MULTIBYTE_EDIT LYLineEdit(&MyEdit, ch, FALSE); #else /* SUPPORT_MULTIBYTE_EDIT */ if (LYLineEdit(&MyEdit, ch, FALSE) == 0) { if (refresh_mb && HTCJK != NOCJK && (0x81 <= ch) && (ch <= 0xfe)) refresh_mb = FALSE; else refresh_mb = TRUE; } else { if (!refresh_mb) { LYEdit1(&MyEdit, 0, LYE_DELP, FALSE); } } #endif /* SUPPORT_MULTIBYTE_EDIT */ } } } PUBLIC CONST char * LYLineeditHelpURL NOARGS { static int lasthelp_lineedit = -1; static char helpbuf[LY_MAXPATH] = "\0"; static char *phelp = &helpbuf[0]; if (lasthelp_lineedit == current_lineedit) return &helpbuf[0]; if (lasthelp_lineedit == -1) { LYstrncpy(helpbuf, helpfilepath, sizeof(helpbuf) - 1); phelp += strlen(helpbuf); } if (LYLineeditHelpURLs[current_lineedit] && strlen(LYLineeditHelpURLs[current_lineedit]) && (strlen(LYLineeditHelpURLs[current_lineedit]) <= sizeof(helpbuf) - (phelp - helpbuf))) { LYstrncpy(phelp, LYLineeditHelpURLs[current_lineedit], sizeof(helpbuf) - (phelp - helpbuf) - 1); lasthelp_lineedit = current_lineedit; return (&helpbuf[0]); } return NULL; } /* * A replacement for 'strsep()' */ PUBLIC char *LYstrsep ARGS2( char **, stringp, CONST char *, delim) { char *tmp, *out; if (isEmpty(stringp)) /* nothing to do? */ return 0; /* then don't fall on our faces */ out = *stringp; /* save the start of the string */ tmp = strpbrk(*stringp, delim); if (tmp) { *tmp = '\0'; /* terminate the substring with \0 */ *stringp = ++tmp; /* point at the next substring */ } else *stringp = 0; /* this was the last substring: */ /* let caller see he's done */ return out; } /* * LYstrstr will find the first occurrence of the string * pointed to by tarptr in the string pointed to by chptr. * It returns NULL if string not found. * It is a case insensitive search. */ PUBLIC char * LYstrstr ARGS2( char *, chptr, CONST char *, tarptr) { int len = strlen(tarptr); for(; *chptr != '\0'; chptr++) { if (0 == UPPER8(*chptr, *tarptr)) { if (0 == strncasecomp8(chptr+1, tarptr+1, len-1)) return(chptr); } } /* end for */ return(NULL); /* string not found or initial chptr was empty */ } /* * LYno_attr_char_case_strstr will find the first occurrence of the * string pointed to by tarptr in the string pointed to by chptr. * It ignores the characters: LY_UNDERLINE_START_CHAR and * LY_UNDERLINE_END_CHAR * LY_BOLD_START_CHAR * LY_BOLD_END_CHAR * LY_SOFT_HYPHEN * if present in chptr. * It is a case insensitive search. */ PUBLIC char * LYno_attr_char_case_strstr ARGS2( char *, chptr, char *, tarptr) { register char *tmpchptr, *tmptarptr; if (!chptr) return(NULL); while (IsSpecialAttrChar(*chptr) && *chptr != '\0') chptr++; for (; *chptr != '\0'; chptr++) { if (0 == UPPER8(*chptr, *tarptr)) { /* * See if they line up. */ tmpchptr = chptr+1; tmptarptr = tarptr+1; if (*tmptarptr == '\0') /* one char target */ return(chptr); while (1) { if (!IsSpecialAttrChar(*tmpchptr)) { if (0 != UPPER8(*tmpchptr, *tmptarptr)) break; tmpchptr++; tmptarptr++; } else { tmpchptr++; } if (*tmptarptr == '\0') return(chptr); if (*tmpchptr == '\0') break; } } } /* end for */ return(NULL); } /* * LYno_attr_char_strstr will find the first occurrence of the * string pointed to by tarptr in the string pointed to by chptr. * It ignores the characters: LY_UNDERLINE_START_CHAR and * LY_UNDERLINE_END_CHAR * LY_BOLD_START_CHAR * LY_BOLD_END_CHAR * LY_SOFT_HYPHEN * if present in chptr. * It is a case sensitive search. */ PUBLIC char * LYno_attr_char_strstr ARGS2( char *, chptr, char *, tarptr) { register char *tmpchptr, *tmptarptr; if (!chptr) return(NULL); while (IsSpecialAttrChar(*chptr) && *chptr != '\0') chptr++; for (; *chptr != '\0'; chptr++) { if ((*chptr) == (*tarptr)) { /* * See if they line up. */ tmpchptr = chptr + 1; tmptarptr = tarptr + 1; if (*tmptarptr == '\0') /* one char target */ return(chptr); while (1) { if (!IsSpecialAttrChar(*tmpchptr)) { if ((*tmpchptr) != (*tmptarptr)) break; tmpchptr++; tmptarptr++; } else { tmpchptr++; } if (*tmptarptr == '\0') return(chptr); if (*tmpchptr == '\0') break; } } } /* end for */ return(NULL); } /* * LYno_attr_mbcs_case_strstr will find the first occurrence of the string * pointed to by tarptr in the string pointed to by chptr. * It takes account of MultiByte Character Sequences (UTF8). * The physical lengths of the displayed string up to the start and * end (= next position after) of the target string are returned in *nstartp * and *nendp if the search is successful. * These lengths count glyph cells if count_gcells is set. (Full-width * characters in CJK mode count as two.) Normally that's what we want. * They count actual glyphs if count_gcells is unset. (Full-width * characters in CJK mode count as one.) * It ignores the characters: LY_UNDERLINE_START_CHAR and * LY_UNDERLINE_END_CHAR * LY_BOLD_START_CHAR * LY_BOLD_END_CHAR * LY_SOFT_HYPHEN * if present in chptr. * It assumes UTF8 if utf_flag is set. * It is a case insensitive search. - KW & FM */ PUBLIC char * LYno_attr_mbcs_case_strstr ARGS6( char *, chptr, CONST char *, tarptr, BOOL, utf_flag, BOOL, count_gcells, int *, nstartp, int *, nendp) { char *tmpchptr; CONST char *tmptarptr; int len = 0; int offset; if (!(chptr && tarptr)) return(NULL); /* * Skip initial IsSpecial chars. - FM */ while (IsSpecialAttrChar(*chptr) && *chptr != '\0') chptr++; /* * Seek a first target match. - FM */ for (; *chptr != '\0'; chptr++) { if ((!utf_flag && HTCJK != NOCJK && is8bits(*chptr) && *chptr == *tarptr && *(chptr + 1) != '\0' && !IsSpecialAttrChar(*(chptr + 1))) || (0 == UPPER8(*chptr, *tarptr))) { int tarlen = 0; offset = len; len++; /* * See if they line up. */ tmpchptr = (chptr + 1); tmptarptr = (tarptr + 1); if (*tmptarptr == '\0') { /* * One char target. */ if (nstartp) *nstartp = offset; if (nendp) *nendp = len; return(chptr); } if (!utf_flag && HTCJK != NOCJK && is8bits(*chptr) && *chptr == *tarptr && *tmpchptr != '\0' && !IsSpecialAttrChar(*tmpchptr)) { /* * Check the CJK multibyte. - FM */ if (*tmpchptr == *tmptarptr) { /* * It's a match. Advance to next char. - FM */ tmpchptr++; tmptarptr++; if (count_gcells) tarlen++; if (*tmptarptr == '\0') { /* * One character match. - FM */ if (nstartp) *nstartp = offset; if (nendp) *nendp = len + tarlen; return(chptr); } } else { /* * It's not a match, so go back to * seeking a first target match. - FM */ chptr++; if (count_gcells) len++; continue; } } /* * See if the rest of the target matches. - FM */ while (1) { if (!IsSpecialAttrChar(*tmpchptr)) { if (!utf_flag && HTCJK != NOCJK && is8bits(*tmpchptr)) { if (*tmpchptr == *tmptarptr && *(tmpchptr + 1) == *(tmptarptr + 1) && !IsSpecialAttrChar(*(tmpchptr + 1))) { tmpchptr++; tmptarptr++; if (count_gcells) tarlen++; } else { break; } } else if (0 != UPPER8(*tmpchptr, *tmptarptr)) { break; } if (!IS_UTF_EXTRA(*tmptarptr)) { tarlen++; } tmpchptr++; tmptarptr++; } else { tmpchptr++; } if (*tmptarptr == '\0') { if (nstartp) *nstartp = offset; if (nendp) *nendp = len + tarlen; return(chptr); } if (*tmpchptr == '\0') break; } } else if (!(IS_UTF_EXTRA(*chptr) || IsSpecialAttrChar(*chptr))) { if (!utf_flag && HTCJK != NOCJK && is8bits(*chptr) && *(chptr + 1) != '\0' && !IsSpecialAttrChar(*(chptr + 1))) { chptr++; if (count_gcells) len++; } len++; } } /* end for */ return(NULL); } /* * LYno_attr_mbcs_strstr will find the first occurrence of the string * pointed to by tarptr in the string pointed to by chptr. * It takes account of CJK and MultiByte Character Sequences (UTF8). * The physical lengths of the displayed string up to the start and * end (= next position after) the target string are returned in *nstartp * and *nendp if the search is successful. * These lengths count glyph cells if count_gcells is set. (Full-width * characters in CJK mode count as two.) Normally that's what we want. * They count actual glyphs if count_gcells is unset. (Full-width * characters in CJK mode count as one.) * It ignores the characters: LY_UNDERLINE_START_CHAR and * LY_UNDERLINE_END_CHAR * LY_BOLD_START_CHAR * LY_BOLD_END_CHAR * LY_SOFT_HYPHEN * if present in chptr. * It assumes UTF8 if utf_flag is set. * It is a case sensitive search. - KW & FM */ PUBLIC char * LYno_attr_mbcs_strstr ARGS6( char *, chptr, CONST char *, tarptr, BOOL, utf_flag, BOOL, count_gcells, int *, nstartp, int *, nendp) { char *tmpchptr; CONST char *tmptarptr; int len = 0; int offset; if (!(chptr && tarptr)) return(NULL); /* * Skip initial IsSpecial chars. - FM */ while (IsSpecialAttrChar(*chptr) && *chptr != '\0') chptr++; /* * Seek a first target match. - FM */ for (; *chptr != '\0'; chptr++) { if ((*chptr) == (*tarptr)) { int tarlen = 0; offset = len; len++; /* * See if they line up. */ tmpchptr = (chptr + 1); tmptarptr = (tarptr + 1); if (*tmptarptr == '\0') { /* * One char target. */ if (nstartp) *nstartp = offset; if (nendp) *nendp = len; return(chptr); } if (!utf_flag && HTCJK != NOCJK && is8bits(*chptr) && *tmpchptr != '\0' && !IsSpecialAttrChar(*tmpchptr)) { /* * Check the CJK multibyte. - FM */ if (*tmpchptr == *tmptarptr) { /* * It's a match. Advance to next char. - FM */ tmpchptr++; tmptarptr++; if (count_gcells) tarlen++; if (*tmptarptr == '\0') { /* * One character match. - FM */ if (nstartp) *nstartp = offset; if (nendp) *nendp = len + tarlen; return(chptr); } } else { /* * It's not a match, so go back to * seeking a first target match. - FM */ chptr++; if (count_gcells) len++; continue; } } /* * See if the rest of the target matches. - FM */ while (1) { if (!IsSpecialAttrChar(*tmpchptr)) { if (!utf_flag && HTCJK != NOCJK && is8bits(*tmpchptr)) { if (*tmpchptr == *tmptarptr && *(tmpchptr + 1) == *(tmptarptr + 1) && !IsSpecialAttrChar(*(tmpchptr + 1))) { tmpchptr++; tmptarptr++; if (count_gcells) tarlen++; } else { break; } } else if ((*tmpchptr) != (*tmptarptr)) { break; } if (!IS_UTF_EXTRA(*tmptarptr)) { tarlen++; } tmpchptr++; tmptarptr++; } else { tmpchptr++; } if (*tmptarptr == '\0') { if (nstartp) *nstartp = offset; if (nendp) *nendp = len + tarlen; return(chptr); } if (*tmpchptr == '\0') break; } } else if (!(IS_UTF_EXTRA(*chptr) || IsSpecialAttrChar(*chptr))) { if (!utf_flag && HTCJK != NOCJK && is8bits(*chptr) && *(chptr + 1) != '\0' && !IsSpecialAttrChar(*(chptr + 1))) { chptr++; if (count_gcells) len++; } len++; } } /* end for */ return(NULL); } /* * Allocate a new copy of a string, and returns it. */ PUBLIC char * SNACopy ARGS3( char **, dest, CONST char *, src, int, n) { FREE(*dest); if (src) { *dest = typeMallocn(char, n + 1); if (*dest == NULL) { CTRACE((tfp, "Tried to malloc %d bytes\n", n)); outofmem(__FILE__, "SNACopy"); } strncpy (*dest, src, n); *(*dest + n) = '\0'; /* terminate */ } return *dest; } /* * String Allocate and Concatenate. */ PUBLIC char * SNACat ARGS3( char **, dest, CONST char *, src, int, n) { if (non_empty(src)) { if (*dest) { int length = strlen(*dest); *dest = (char *)realloc(*dest, length + n + 1); if (*dest == NULL) outofmem(__FILE__, "SNACat"); strncpy(*dest + length, src, n); *(*dest + length + n) = '\0'; /* terminate */ } else { *dest = typeMallocn(char, n + 1); if (*dest == NULL) outofmem(__FILE__, "SNACat"); memcpy(*dest, src, n); (*dest)[n] = '\0'; /* terminate */ } } return *dest; } #include /* * Returns lowercase equivalent for unicode, * transparent output if no equivalent found. */ PRIVATE long UniToLowerCase ARGS1(long, upper) { size_t i, high, low; long diff = 0; /* * Make check for sure. */ if (upper <= 0) return(upper); /* * Try unicode_to_lower_case[]. */ low = 0; high = TABLESIZE(unicode_to_lower_case); while (low < high) { /* ** Binary search. */ i = (low + (high-low)/2); diff = (unicode_to_lower_case[i].upper - upper); if (diff < 0) low = i+1; if (diff > 0) high = i; if (diff == 0) return (unicode_to_lower_case[i].lower); } return(upper); /* if we came here */ } /* ** UPPER8 ? ** it was "TOUPPER(a) - TOUPPER(b)" in its previous life... ** ** It was realized that case-insensitive user search ** got information about upper/lower mapping from TOUPPER ** (precisely from "(TOUPPER(a) - TOUPPER(b))==0") ** and depends on locale in its 8bit mapping. - ** Usually fails with DOS/WINDOWS display charsets ** as well as on non-UNIX systems. ** ** So use unicode case mapping. */ PUBLIC int UPPER8 ARGS2(int,ch1, int,ch2) { /* if they are the same or one is a null characters return immediately. */ if (ch1 == ch2) return 0; if (!ch2) return UCH(ch1); else if (!ch1) return -UCH(ch2); /* case-insensitive match for us-ascii */ if (UCH(TOASCII(ch1)) < 128 && UCH(TOASCII(ch2)) < 128) return(TOUPPER(ch1) - TOUPPER(ch2)); /* case-insensitive match for upper half */ if (UCH(TOASCII(ch1)) > 127 && /* S/390 -- gil -- 2066 */ UCH(TOASCII(ch2)) > 127) { if (DisplayCharsetMatchLocale) return(TOUPPER(ch1) - TOUPPER(ch2)); /* old-style */ else { long uni_ch2 = UCTransToUni((char)ch2, current_char_set); long uni_ch1; if (uni_ch2 < 0) return UCH(ch1); uni_ch1 = UCTransToUni((char)ch1, current_char_set); return(UniToLowerCase(uni_ch1) - UniToLowerCase(uni_ch2)); } } return(-10); /* mismatch, if we come to here */ } /* * Replaces 'fgets()' calls into a fixed-size buffer with reads into a buffer * that is allocated. When an EOF or error is found, the buffer is freed * automatically. */ PUBLIC char *LYSafeGets ARGS2( char **, src, FILE *, fp) { char buffer[BUFSIZ]; char *result = 0; if (src != 0) result = *src; if (result != 0) *result = 0; while (fgets(buffer, sizeof(buffer), fp) != 0) { if (*buffer) result = StrAllocCat(result, buffer); if (strchr(buffer, '\n') != 0) break; } if (ferror(fp)) { FREE(result); } else if (feof(fp) && result && *result == '\0') { /* * If the file ends in the middle of a line, return the * partial line; if another call is made after this, it * will return NULL. - kw */ FREE(result); } if (src != 0) *src = result; return result; } #ifdef EXP_CMD_LOGGING PRIVATE FILE *cmd_logfile; PRIVATE FILE *cmd_script; PUBLIC void LYOpenCmdLogfile ARGS2( int, argc, char **, argv) { int n; if (lynx_cmd_logfile != 0) { cmd_logfile = LYNewTxtFile(lynx_cmd_logfile); if (cmd_logfile != 0) { fprintf(cmd_logfile, "# Command logfile created by %s %s (%s)\n", LYNX_NAME, LYNX_VERSION, LYVersionDate()); for (n = 0; n < argc; n++) { fprintf(cmd_logfile, "# Arg%d = %s\n", n, argv[n]); } } } } PUBLIC BOOL LYHaveCmdScript NOARGS { return (BOOL)(cmd_script != 0); } PUBLIC void LYOpenCmdScript NOARGS { if (lynx_cmd_script != 0) { cmd_script = fopen(lynx_cmd_script, TXT_R); CTRACE((tfp, "LYOpenCmdScript(%s) %s\n", lynx_cmd_script, cmd_script != 0 ? "SUCCESS" : "FAIL")); } } PUBLIC int LYReadCmdKey ARGS1( int, mode) { int ch = -1; if (cmd_script != 0) { char *buffer = 0; char *src; char *tmp; unsigned len; while ((ch < 0) && LYSafeGets(&buffer, cmd_script) != 0) { LYTrimTrailing(buffer); src = LYSkipBlanks(buffer); tmp = LYSkipNonBlanks(src); switch (len = (tmp - src)) { case 4: if (!strncasecomp(src, "exit", 4)) exit(0); break; case 3: if (!strncasecomp(src, "key", 3)) { ch = LYStringToKeycode(LYSkipBlanks(tmp)); } else if (!strncasecomp(src, "set", 3)) { src = LYSkipBlanks(tmp); tmp = src; while (*tmp != '\0') { if (isspace(UCH(*tmp)) || *tmp == '=') break; ++tmp; } if (*tmp != '\0') { *tmp++ = '\0'; tmp = LYSkipBlanks(tmp); } CTRACE((tfp, "LYSetConfigValue(%s, %s)\n", src, tmp)); LYSetConfigValue(src, tmp); } break; } } if (feof(cmd_script)) { fclose(cmd_script); cmd_script = 0; } if (ch >= 0) { LYSleepReplay(); LYrefresh(); } FREE(buffer); } else { ch = LYgetch_for(mode); } CTRACE((tfp, "LYReadCmdKey(%d) ->%s (%#x)\n", mode, LYKeycodeToString(ch, TRUE), ch)); LYWriteCmdKey(ch); return ch; } /* * Write a LYKeymapCode 'ch' to the logfile. */ PUBLIC void LYWriteCmdKey ARGS1( int, ch) { if (cmd_logfile != 0) { fprintf(cmd_logfile, "key %s\n", LYKeycodeToString(ch, FALSE)); } } PUBLIC void LYCloseCmdLogfile NOARGS { if (cmd_logfile != 0) { LYCloseOutput(cmd_logfile); cmd_logfile = 0; } if (cmd_script != 0) { LYCloseInput(cmd_script); cmd_script = 0; } FREE(lynx_cmd_logfile); FREE(lynx_cmd_script); } #endif /* EXP_CMD_LOGGING */