#include #include #include #include #include #include #include #include #include #include /* includes HTForms.h */ #include #include #include #include #include #ifdef USE_COLOR_STYLE #include #include #endif extern HTCJKlang HTCJK; PRIVATE int form_getstr PARAMS(( struct link * form_link)); PRIVATE int popup_options PARAMS(( int cur_selection, OptionType * list, int ly, int lx, int width, int i_length, int disabled)); PUBLIC int change_form_link ARGS5( struct link *, form_link, document *, newdoc, BOOLEAN *, refresh_screen, char *, link_name, char *, link_value) { FormInfo *form = form_link->form; int c = DO_NOTHING; int OrigNumValue; /* * If there is no form to perform action on, don't do anything. */ if (form == NULL) { return(c); } /* * Move to the link position. */ move(form_link->ly, form_link->lx); switch(form->type) { case F_CHECKBOX_TYPE: if (form->disabled == YES) break; if (form->num_value) { form_link->hightext = unchecked_box; form->num_value = 0; } else { form_link->hightext = checked_box; form->num_value = 1; } break; case F_OPTION_LIST_TYPE: if (!form->select_list) { HTAlert(BAD_HTML_NO_POPUP); c = DO_NOTHING; break; } if (form->disabled == YES) { int dummy; dummy = popup_options(form->num_value, form->select_list, form_link->ly, form_link->lx, form->size, form->size_l, form->disabled); #if defined(FANCY_CURSES) || defined(USE_SLANG) if (!enable_scrollback) #if defined(VMS) && !defined(USE_SLANG) c = DO_NOTHING; #else c = 23; /* CTRL-W refresh without clearok */ #endif /* VMS && !USE_SLANG */ else #endif /* FANCY_CURSES || USE_SLANG */ c = 12; /* CTRL-L for repaint */ break; } OrigNumValue = form->num_value; form->num_value = popup_options(form->num_value, form->select_list, form_link->ly, form_link->lx, form->size, form->size_l, form->disabled); { OptionType * opt_ptr = form->select_list; int i; for (i = 0; i < form->num_value; i++, opt_ptr = opt_ptr->next) ; /* null body */ /* * Set the name. */ form->value = opt_ptr->name; /* * Set the value. */ form->cp_submit_value = opt_ptr->cp_submit_value; /* * Set charset in which we have the submit value. - kw */ form->value_cs = opt_ptr->value_cs; } #if defined(FANCY_CURSES) || defined(USE_SLANG) if (!enable_scrollback) #if defined(VMS) && !defined(USE_SLANG) if (form->num_value == OrigNumValue) c = DO_NOTHING; else #endif /* VMS && !USE_SLANG*/ c = 23; /* CTRL-W refresh without clearok */ else #endif /* FANCY_CURSES || USE_SLANG */ c = 12; /* CTRL-L for repaint */ break; case F_RADIO_TYPE: if (form->disabled == YES) break; /* * Radio buttons must have one and * only one down at a time! */ if (form->num_value) { HTUserMsg(NEED_CHECKED_RADIO_BUTTON); } else { int i; /* * Run though list of the links on the screen and * unselect any that are selected. :) */ lynx_start_radio_color (); for (i = 0; i < nlinks; i++) { if (links[i].type == WWW_FORM_LINK_TYPE && links[i].form->type == F_RADIO_TYPE && links[i].form->number == form->number && /* * If it has the same name and its on... */ !strcmp(links[i].form->name, form->name) && links[i].form->num_value) { move(links[i].ly, links[i].lx); addstr(unchecked_radio); links[i].hightext = unchecked_radio; } } lynx_stop_radio_color (); /* * Will unselect other button and select this one. */ HText_activateRadioButton(form); /* * Now highlight this one. */ form_link->hightext = checked_radio; } break; case F_TEXT_TYPE: case F_TEXTAREA_TYPE: case F_PASSWORD_TYPE: c = form_getstr(form_link); if (form->type == F_PASSWORD_TYPE) form_link->hightext = STARS(strlen(form->value)); else form_link->hightext = form->value; break; case F_RESET_TYPE: if (form->disabled == YES) break; HText_ResetForm(form); *refresh_screen = TRUE; break; case F_TEXT_SUBMIT_TYPE: c = form_getstr(form_link); if (form->disabled == YES && (c == '\r' || c == '\n')) { c = '\t'; break; } if (c == '\r' || c == '\n') { form_link->hightext = form->value; if (!form->submit_action || *form->submit_action == '\0') { HTUserMsg(NO_FORM_ACTION); c = DO_NOTHING; break; } else if (form->submit_method == URL_MAIL_METHOD && no_mail) { HTAlert(FORM_MAILTO_DISALLOWED); c = DO_NOTHING; break; } else { if (form->no_cache && form->submit_method != URL_MAIL_METHOD) { LYforce_no_cache = TRUE; reloading = TRUE; } HText_SubmitForm(form, newdoc, link_name, form->value); } if (form->submit_method == URL_MAIL_METHOD) { *refresh_screen = TRUE; } else { /* * Returns new document URL. */ newdoc->link = 0; newdoc->internal_link = FALSE; } c = DO_NOTHING; break; } else { form_link->hightext = form->value; } break; case F_SUBMIT_TYPE: case F_IMAGE_SUBMIT_TYPE: if (form->disabled == YES) break; if (form->no_cache && form->submit_method != URL_MAIL_METHOD) { LYforce_no_cache = TRUE; reloading = TRUE; } HText_SubmitForm(form, newdoc, link_name, link_value); if (form->submit_method == URL_MAIL_METHOD) *refresh_screen = TRUE; else { /* returns new document URL */ newdoc->link = 0; newdoc->internal_link = FALSE; } break; } return(c); } PRIVATE int form_getstr ARGS1( struct link *, form_link) { FormInfo *form = form_link->form; char *value = form->value; int ch; int far_col; int max_length; int startcol, startline; BOOL HaveMaxlength = FALSE; int action; #ifdef VMS extern BOOLEAN HadVMSInterrupt; /* Flag from cleanup_sig() AST */ #endif EditFieldData MyEdit; BOOLEAN Edited = FALSE; /* Value might be updated? */ /* * Get the initial position of the cursor. */ LYGetYX(startline, startcol); if ((startcol + form->size) > (LYcols - 1)) far_col = (LYcols - 1); else far_col = (startcol + form->size); /* * Make sure the form field value does not exceed our buffer. - FM */ max_length = ((form->maxlength > 0 && form->maxlength < sizeof(MyEdit.buffer)) ? form->maxlength : (sizeof(MyEdit.buffer) - 1)); if (strlen(form->value) > max_length) { /* * We can't fit the entire value into the editing buffer, * so enter as much of the tail as fits. - FM */ value += (strlen(form->value) - max_length); if (!form->disabled && !(form->submit_method == URL_MAIL_METHOD && no_mail)) { /* * If we can edit it, report that we are using the tail. - FM */ HTUserMsg(FORM_VALUE_TOO_LONG); switch(form->type) { case F_PASSWORD_TYPE: statusline(FORM_LINK_PASSWORD_MESSAGE); break; case F_TEXT_SUBMIT_TYPE: if (form->submit_method == URL_MAIL_METHOD) { statusline(FORM_LINK_TEXT_SUBMIT_MAILTO_MSG); } else if (form->no_cache) { statusline(FORM_LINK_TEXT_RESUBMIT_MESSAGE); } else { statusline(FORM_LINK_TEXT_SUBMIT_MESSAGE); } break; case F_TEXT_TYPE: case F_TEXTAREA_TYPE: statusline(FORM_LINK_TEXT_MESSAGE); break; default: break; } move(startline, startcol); } } /* * Print panned line */ LYSetupEdit(&MyEdit, value, max_length, (far_col - startcol)); MyEdit.pad = '_'; MyEdit.hidden = (form->type == F_PASSWORD_TYPE); LYRefreshEdit(&MyEdit); /* * And go for it! */ for (;;) { again: ch = LYgetch(); #ifdef VMS if (HadVMSInterrupt) { HadVMSInterrupt = FALSE; ch = 7; } #endif /* VMS */ /* * Filter out global navigation keys that should not be passed * to line editor, and LYK_REFRESH. */ action = EditBinding(ch); if (action == LYE_ENTER) break; if (action == LYE_LKCMD) { _statusline(ENTER_LYNX_COMMAND); ch = LYgetch(); #ifdef VMS if (HadVMSInterrupt) { HadVMSInterrupt = FALSE; ch = 7; } #endif /* VMS */ break; } if (action == LYE_AIX && (HTCJK == NOCJK && LYlowest_eightbit[current_char_set] > 0x97)) break; if (action == LYE_TAB) { ch = (int)('\t'); break; } if (action == LYE_ABORT) { return(DO_NOTHING); } if (keymap[ch + 1] == LYK_REFRESH) break; switch (ch) { case DNARROW: case UPARROW: case PGUP: case PGDOWN: #ifdef NOTDEFINED case HOME: case END_KEY: case FIND_KEY: case SELECT_KEY: #endif /* NOTDEFINED */ goto breakfor; /* * Left arrrow in column 0 deserves special treatment here, * else you can get trapped in a form without submit button! */ case LTARROW: if (MyEdit.pos == 0) { int c = 'Y'; /* Go back immediately if no changes */ if (strcmp(MyEdit.buffer, value)) { _statusline(PREV_DOC_QUERY); c = LYgetch(); } if (TOUPPER(c) == 'Y') { return(ch); } else { if (form->disabled == YES) _statusline(ARROWS_OR_TAB_TO_MOVE); else _statusline(ENTER_TEXT_ARROWS_OR_TAB); } } /* fall through */ default: if (form->disabled == YES) goto again; /* * Make sure the statusline uses editmode help. */ LYLineEdit(&MyEdit, ch, TRUE); if (MyEdit.strlen >= max_length) { HaveMaxlength = TRUE; } else if (HaveMaxlength && MyEdit.strlen < max_length) { HaveMaxlength = FALSE; _statusline(ENTER_TEXT_ARROWS_OR_TAB); } if (strcmp(value, MyEdit.buffer)) { Edited = TRUE; } LYRefreshEdit(&MyEdit); } } breakfor: if (Edited) { char *p; /* * Load the new value. */ if (value == form->value) { /* * The previous value did fit in the line buffer, * so replace it with the new value. - FM */ StrAllocCopy(form->value, MyEdit.buffer); } else { /* * Combine the modified tail with the unmodified head. - FM */ form->value[(strlen(form->value) - strlen(value))] = '\0'; StrAllocCat(form->value, MyEdit.buffer); HTUserMsg(FORM_TAIL_COMBINED_WITH_HEAD); } /* * Remove trailing spaces * * Do we really need to do that here? Trailing spaces will only * be there if user keyed them in. Rather rude to throw away * their hard earned spaces. Better deal with trailing spaces * when submitting the form???? */ p = &(form->value[strlen(form->value)]); while ((p != form->value) && (p[-1] == ' ')) p--; *p = '\0'; /* * If the field has been changed, assume that it is now in * current display character set, even if for some reason * it wasn't! Hopefully a user will only submit the form * if the non-ASCII characters are displayed correctly, which * means (assuming that the display character set has been set * truthfully) the user confirms by changing the field that * the character encoding is right. - kw */ if (form->value && *form->value) form->value_cs = current_char_set; } return(ch); } /* ** This function prompts for an option or page number. ** If a 'g' or 'p' suffix is included, that will be ** loaded into c. Otherwise, c is zeroed. - FM & LE */ PRIVATE int get_popup_option_number ARGS1( int *, c) { char temp[120]; /* * Load the c argument into the prompt buffer. */ temp[0] = *c; temp[1] = '\0'; _statusline(SELECT_OPTION_NUMBER); /* * Get the number, possibly with a suffix, from the user. */ if (LYgetstr(temp, VISIBLE, sizeof(temp), NORECALL) < 0 || *temp == 0) { HTInfoMsg(CANCELLED); *c = '\0'; return(0); } /* * If we had a 'g' or 'p' suffix, load it into c. * Otherwise, zero c. Then return the number. */ if (strchr(temp, 'g') != NULL || strchr(temp, 'G') != NULL) { *c = 'g'; } else if (strchr(temp, 'p') != NULL || strchr(temp, 'P') != NULL) { *c = 'p'; } else { *c = '\0'; } return(atoi(temp)); } /* Use this rather than the 'wprintw()' function to write a blank-padded * string to the given window, since someone's asserted that printw doesn't * handle 8-bit characters unlike addstr (though more info would be useful). * * We're blank-filling so that with SVr4 curses, it'll show the background * color to a uniform width in the popup-menu. */ #ifndef USE_SLANG PRIVATE void paddstr ARGS3( WINDOW *, the_window, int, width, char *, the_string) { width -= strlen(the_string); waddstr(the_window, the_string); while (width-- > 0) waddstr(the_window, " "); } #endif PRIVATE int popup_options ARGS7( int, cur_selection, OptionType *, list, int, ly, int, lx, int, width, int, i_length, int, disabled) { /* * Revamped to handle within-tag VALUE's, if present, * and to position the popup window appropriately, * taking the user_mode setting into account. -- FM */ int c = 0, cmd = 0, i = 0, j = 0; int orig_selection = cur_selection; #ifndef USE_SLANG WINDOW * form_window; #endif /* !USE_SLANG */ int num_options = 0, top, bottom, length = -1; OptionType * opt_ptr = list; int window_offset = 0; int lines_to_show; int npages; #ifdef VMS extern BOOLEAN HadVMSInterrupt; /* Flag from cleanup_sig() AST */ #endif /* VMS */ static char prev_target[512]; /* Search string buffer */ static char prev_target_buffer[512]; /* Next search buffer */ static BOOL first = TRUE; char *cp; int ch = 0, recall; int QueryTotal; int QueryNum; BOOLEAN FirstRecall = TRUE; OptionType * tmp_ptr; BOOLEAN ReDraw = FALSE; int number; char buffer[512]; /* * 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 : NORECALL); QueryNum = QueryTotal; /* * 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; /* * Counting the number of options to be displayed. * num_options ranges 0...n */ for (; opt_ptr->next; num_options++, opt_ptr = opt_ptr->next) ; /* null body */ /* * Let's assume for the sake of sanity that ly is the number * corresponding to the line the selection box is on. * Let's also assume that cur_selection is the number of the * item that should be initially selected, as 0 beign the * first item. * So what we have, is the top equal to the current screen line * subtracting the cur_selection + 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_selection + 1); if (top < 0) top = 0; /* * Check and see if we need to put the i_length parameter up to * the number of real options. */ if (!i_length) { i_length = num_options; } 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_options). */ bottom = top + i_length + 3; /* * 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 * options 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 option 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 0-4, or 5. */ length = (bottom - top) - 2; /* * 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; } /* * Set up the overall window, including the boxing characters ('*'), * if it all fits. Otherwise, set up the widest window possible. - FM */ #ifdef USE_SLANG SLsmg_fill_region(top, lx - 1, bottom - top, width + 4, ' '); #else if (!(form_window = newwin(bottom - top, width + 4, top, lx - 1)) && !(form_window = newwin(bottom - top, 0, top, 0))) { HTAlert(POPUP_FAILED); return(orig_selection); } scrollok(form_window, TRUE); #ifdef PDCURSES keypad(form_window, TRUE); #endif /* PDCURSES */ #ifdef NCURSES LYsubwindow(form_window); #endif #if defined(HAVE_GETBKGD) /* not defined in ncurses 1.8.7 */ wbkgd(form_window, getbkgd(stdscr)); wbkgdset(form_window, getbkgd(stdscr)); #endif #endif /* USE_SLANG */ /* * Set up the window_offset for options. * cur_selection ranges from 0...n * length ranges from 0...m */ if (cur_selection >= length) { window_offset = cur_selection - length + 1; } /* * Compute the number of popup window pages. - FM */ npages = ((num_options + 1) > length) ? (((num_options + 1) + (length - 1))/(length)) : 1; /* * OH! I LOVE GOTOs! hack hack hack * 07-11-94 GAB * MORE hack hack hack * 09-05-94 FM */ redraw: opt_ptr = list; /* * Display the boxed options. */ for (i = 0; i <= num_options; i++, opt_ptr = opt_ptr->next) { if (i >= window_offset && i - window_offset < length) { #ifdef USE_SLANG SLsmg_gotorc(top + ((i + 1) - window_offset), (lx - 1 + 2)); SLsmg_write_nstring(opt_ptr->name, width); #else wmove(form_window, ((i + 1) - window_offset), 2); paddstr(form_window, width, opt_ptr->name); #endif /* USE_SLANG */ } } #ifdef USE_SLANG SLsmg_draw_box(top, (lx - 1), (bottom - top), (width + 4)); #else #ifdef VMS VMSbox(form_window, (bottom - top), (width + 4)); #else LYbox(form_window, TRUE); #endif /* VMS */ wrefresh(form_window); #endif /* USE_SLANG */ opt_ptr = NULL; /* * Loop on user input. */ while (cmd != LYK_ACTIVATE) { /* * Unreverse cur selection. */ if (opt_ptr != NULL) { #ifdef USE_SLANG SLsmg_gotorc((top + ((i + 1) - window_offset)), (lx - 1 + 2)); SLsmg_write_nstring(opt_ptr->name, width); #else wmove(form_window, ((i + 1) - window_offset), 2); paddstr(form_window, width, opt_ptr->name); #endif /* USE_SLANG */ } opt_ptr = list; for (i = 0; i < cur_selection; i++, opt_ptr = opt_ptr->next) ; /* null body */ #ifdef USE_SLANG SLsmg_set_color(2); SLsmg_gotorc((top + ((i + 1) - window_offset)), (lx - 1 + 2)); SLsmg_write_nstring(opt_ptr->name, width); SLsmg_set_color(0); /* * If LYShowCursor is ON, move the cursor to the left * of the current option, so that blind users, who are * most likely to have LYShowCursor ON, will have it's * string spoken or passed to the braille interface as * each option is made current. Otherwise, move it to * the bottom, right column of the screen, to "hide" * the cursor as for the main document, and let sighted * users rely on the current option's highlighting or * color without the distraction of a blinking cursor * in the window. - FM */ if (LYShowCursor) SLsmg_gotorc((top + ((i + 1) - window_offset)), (lx - 1 + 1)); else SLsmg_gotorc((LYlines - 1), (LYcols - 1)); SLsmg_refresh(); #else wmove(form_window, ((i + 1) - window_offset), 2); wstart_reverse(form_window); paddstr(form_window, width, opt_ptr->name); wstop_reverse(form_window); /* * If LYShowCursor is ON, move the cursor to the left * of the current option, so that blind users, who are * most likely to have LYShowCursor ON, will have it's * string spoken or passed to the braille interface as * each option is made current. Otherwise, leave it to * the right of the current option, since we can't move * it out of the window, and let sighted users rely on * the highlighting of the current option without the * distraction of a blinking cursor preceding it. - FM */ if (LYShowCursor) wmove(form_window, ((i + 1) - window_offset), 1); wrefresh(form_window); #endif /* USE_SLANG */ c = LYgetch(); if (c == 3 || c == 7) /* Control-C or Control-G */ cmd = LYK_QUIT; else cmd = keymap[c+1]; #ifdef VMS if (HadVMSInterrupt) { HadVMSInterrupt = FALSE; cmd = LYK_QUIT; } #endif /* VMS */ switch(cmd) { case LYK_F_LINK_NUM: c = '\0'; case LYK_1: case LYK_2: case LYK_3: case LYK_4: case LYK_5: case LYK_6: case LYK_7: case LYK_8: 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_option_number((int *)&c); /* * 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); if (disabled) { _statusline(FORM_LINK_OPTION_LIST_UNM_MSG); } else { _statusline(FORM_LINK_OPTION_LIST_MESSAGE); } break; } window_offset = 0; cur_selection = 0; if (disabled) { _statusline(FORM_LINK_OPTION_LIST_UNM_MSG); } else { _statusline(FORM_LINK_OPTION_LIST_MESSAGE); } 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_options - length) + 1)) { HTUserMsg(ALREADY_AT_OPTION_END); if (disabled) { _statusline(FORM_LINK_OPTION_LIST_UNM_MSG); } else { _statusline(FORM_LINK_OPTION_LIST_MESSAGE); } break; } window_offset = ((npages - 1) * length); if (window_offset > (num_options - length)) { window_offset = (num_options - length + 1); } if (cur_selection < window_offset) cur_selection = window_offset; if (disabled) { _statusline(FORM_LINK_OPTION_LIST_UNM_MSG); } else { _statusline(FORM_LINK_OPTION_LIST_MESSAGE); } goto redraw; } /* * We want an intermediate page. - FM */ if (((number - 1) * length) == window_offset) { sprintf(buffer, ALREADY_AT_OPTION_PAGE, number); HTUserMsg(buffer); if (disabled) { _statusline(FORM_LINK_OPTION_LIST_UNM_MSG); } else { _statusline(FORM_LINK_OPTION_LIST_MESSAGE); } break; } cur_selection = window_offset = ((number - 1) * length); if (disabled) { _statusline(FORM_LINK_OPTION_LIST_UNM_MSG); } else { _statusline(FORM_LINK_OPTION_LIST_MESSAGE); } goto redraw; } /* * Check for a positive number, which signifies * that an option should be sought. - FM */ if (number > 0) { /* * Decrement the number so as to correspond * with our cur_selection values. - FM */ number--; /* * If the number is in range and had no legal * suffix, select the indicated option. - FM */ if (number <= num_options && c == '\0') { cur_selection = number; cmd = LYK_ACTIVATE; break; } /* * Verify that we had a 'g' suffix, * and act on the number. - FM */ if (c == 'g') { if (cur_selection == number) { /* * The option already is current. - FM */ sprintf(buffer, OPTION_ALREADY_CURRENT, (number + 1)); HTUserMsg(buffer); if (disabled) { _statusline(FORM_LINK_OPTION_LIST_UNM_MSG); } else { _statusline(FORM_LINK_OPTION_LIST_MESSAGE); } break; } if (number <= num_options) { /* * The number is in range and had a 'g' * suffix, so make it the current option, * scrolling if needed. - FM */ j = (number - cur_selection); cur_selection = number; if ((j > 0) && (cur_selection - window_offset) >= length) { window_offset += j; if (window_offset > (num_options - length + 1)) window_offset = (num_options - length + 1); } else if ((cur_selection - window_offset) < 0) { window_offset -= abs(j); if (window_offset < 0) window_offset = 0; } if (disabled) { _statusline(FORM_LINK_OPTION_LIST_UNM_MSG); } else { _statusline(FORM_LINK_OPTION_LIST_MESSAGE); } goto redraw; } /* * Not in range. - FM */ HTUserMsg(BAD_OPTION_NUM_ENTERED); } } /* * Restore the popup statusline. - FM */ if (disabled) { _statusline(FORM_LINK_OPTION_LIST_UNM_MSG); } else { _statusline(FORM_LINK_OPTION_LIST_MESSAGE); } break; case LYK_PREV_LINK: case LYK_UP_LINK: if (cur_selection > 0) cur_selection--; /* * Scroll the window up if necessary. */ if ((cur_selection - window_offset) < 0) { window_offset--; goto redraw; } break; case LYK_NEXT_LINK: case LYK_DOWN_LINK: if (cur_selection < num_options) cur_selection++; /* * Scroll the window down if necessary */ if ((cur_selection - 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_options - length + 1)) { /* * Modify the current selection to not be a * coordinate in the list, but a coordinate * on the item selected in the window. */ cur_selection -= window_offset; /* * Page down the proper length for the list. * If simply to far, back up. */ window_offset += length; if (window_offset > (num_options - length)) { window_offset = (num_options - length + 1); } /* * Readjust the current selection to be a * list coordinate rather than window. * Redraw this thing. */ cur_selection += window_offset; goto redraw; } else if (cur_selection < num_options) { /* * Already on last page of the list so just * redraw it with the last item selected. */ cur_selection = num_options; } 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_selection -= 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 selection. */ cur_selection += window_offset; goto redraw; } else if (cur_selection > 0) { /* * Already on the first page so just * back up to the first item. */ cur_selection = 0; } break; case LYK_HOME: cur_selection = 0; if (window_offset > 0) { window_offset = 0; goto redraw; } break; case LYK_END: cur_selection = num_options; if (window_offset != (num_options - length + 1)) { window_offset = (num_options - length + 1); goto redraw; } break; case LYK_DOWN_TWO: cur_selection += 2; if (cur_selection > num_options) cur_selection = num_options; /* * Scroll the window down if necessary. */ if ((cur_selection - window_offset) >= length) { window_offset += 2; if (window_offset > (num_options - length + 1)) window_offset = (num_options - length + 1); goto redraw; } break; case LYK_UP_TWO: cur_selection -= 2; if (cur_selection < 0) cur_selection = 0; /* * Scroll the window up if necessary. */ if ((cur_selection - window_offset) < 0) { window_offset -= 2; if (window_offset < 0) window_offset = 0; goto redraw; } break; case LYK_DOWN_HALF: cur_selection += (length/2); if (cur_selection > num_options) cur_selection = num_options; /* * Scroll the window down if necessary. */ if ((cur_selection - window_offset) >= length) { window_offset += (length/2); if (window_offset > (num_options - length + 1)) window_offset = (num_options - length + 1); goto redraw; } break; case LYK_UP_HALF: cur_selection -= (length/2); if (cur_selection < 0) cur_selection = 0; /* * Scroll the window up if necessary. */ if ((cur_selection - window_offset) < 0) { window_offset -= (length/2); if (window_offset < 0) window_offset = 0; goto redraw; } break; case LYK_REFRESH: lynx_force_repaint(); refresh(); 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) { strcpy(prev_target_buffer, cp); QueryNum = 0; FirstRecall = FALSE; } } strcpy(prev_target, prev_target_buffer); 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) { strcpy(prev_target, cp); 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) { strcpy(prev_target, cp); 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 option. - FM */ for (j = 1, tmp_ptr = opt_ptr->next; tmp_ptr != NULL; tmp_ptr = tmp_ptr->next, j++) { if (case_sensitive) { if (strstr(tmp_ptr->name, prev_target_buffer) != NULL) break; } else { if (LYstrstr(tmp_ptr->name, prev_target_buffer) != NULL) break; } } if (tmp_ptr != NULL) { /* * We have a hit, so make that option the current. - FM */ cur_selection += j; /* * Scroll the window down if necessary. */ if ((cur_selection - window_offset) >= length) { window_offset += j; if (window_offset > (num_options - length + 1)) window_offset = (num_options - length + 1); ReDraw = TRUE; } goto restore_popup_statusline; } /* * If we started at the beginning, it can't be present. - FM */ if (cur_selection == 0) { HTUserMsg2(STRING_NOT_FOUND, prev_target_buffer); goto restore_popup_statusline; } /* * Search from the beginning to the current option. - FM */ for (j = 0, tmp_ptr = list; j < cur_selection; tmp_ptr = tmp_ptr->next, j++) { if (case_sensitive) { if (strstr(tmp_ptr->name, prev_target_buffer) != NULL) break; } else { if (LYstrstr(tmp_ptr->name, prev_target_buffer) != NULL) break; } } if (j < cur_selection) { /* * We have a hit, so make that option the current. - FM */ j = (cur_selection - j); cur_selection -= j; /* * Scroll the window up if necessary. */ if ((cur_selection - 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 options either. - FM */ HTUserMsg2(STRING_NOT_FOUND, prev_target_buffer); restore_popup_statusline: /* * Restore the popup statusline and * reset the search variables. - FM */ if (disabled) _statusline(FORM_LINK_OPTION_LIST_UNM_MSG); else _statusline(FORM_LINK_OPTION_LIST_MESSAGE); *prev_target = '\0'; QueryTotal = (search_queries ? HTList_count(search_queries) : 0); recall = ((QueryTotal >= 1) ? RECALL : NORECALL); QueryNum = QueryTotal; if (ReDraw == TRUE) { ReDraw = FALSE; goto redraw; } break; case LYK_QUIT: case LYK_ABORT: case LYK_PREV_DOC: cur_selection = orig_selection; cmd = LYK_ACTIVATE; /* to exit */ break; } } #ifndef USE_SLANG delwin(form_window); #ifdef NCURSES LYsubwindow(0); #endif #endif /* !USE_SLANG */ return(disabled ? orig_selection : cur_selection); }