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-rw-r--r--src/LYForms.c1086
1 files changed, 1086 insertions, 0 deletions
diff --git a/src/LYForms.c b/src/LYForms.c
new file mode 100644
index 0000000..3f9c111
--- /dev/null
+++ b/src/LYForms.c
@@ -0,0 +1,1086 @@
+/* $LynxId: LYForms.c,v 1.119 2022/04/02 00:13:32 Paul.G.Fox Exp $ */
+#include <HTUtils.h>
+#include <HTCJK.h>
+#include <HTTP.h>
+#include <HTAlert.h>
+#include <LYCurses.h>
+#include <GridText.h>
+#include <LYCharSets.h>
+#include <UCAux.h>
+#include <LYGlobalDefs.h>
+#include <LYUtils.h>
+#include <LYStrings.h>
+#include <LYKeymap.h>
+#include <LYClean.h>
+
+#include <LYLeaks.h>
+
+#ifdef USE_COLOR_STYLE
+#include <AttrList.h>
+#include <LYHash.h>
+#endif
+
+#if defined(VMS) && !defined(USE_SLANG)
+#define RepaintKey() 12 /* CTRL-L for repaint */
+#else
+#define RepaintKey() ((!enable_scrollback) ? 23 : 12) /* CTRL-W or CTRL-L */
+#endif /* VMS && !USE_SLANG */
+
+static int form_getstr(int cur,
+ int use_last_tfpos,
+ int redraw_only);
+
+/*
+ * Returns an array of pointers to the given list
+ */
+static char **options_list(OptionType * opt_ptr)
+{
+ char **result = 0;
+ size_t len;
+ int pass;
+ OptionType *tmp_ptr;
+
+ for (pass = 0; pass < 2; pass++) {
+ for (tmp_ptr = opt_ptr, len = 0; tmp_ptr != 0; tmp_ptr = tmp_ptr->next) {
+ if (pass != 0)
+ result[len] = tmp_ptr->name;
+ len++;
+ }
+ if (pass == 0) {
+ len++;
+ result = typecallocn(char *, len);
+
+ if (result == 0)
+ outofmem(__FILE__, "options_list");
+ } else {
+ result[len] = 0;
+ }
+ }
+
+ return result;
+}
+
+int change_form_link_ex(int cur,
+ DocInfo *newdoc,
+ BOOLEAN *refresh_screen,
+ int use_last_tfpos,
+ int immediate_submit,
+ int redraw_only)
+{
+ FormInfo *form = links[cur].l_form;
+ char *link_name;
+ char *link_value;
+ int newdoc_changed = 0;
+ int c = DO_NOTHING;
+ int title_adjust = (no_title ? -TITLE_LINES : 0);
+ char **my_data = 0;
+
+ /*
+ * If there is no form to perform action on, don't do anything.
+ */
+ if (form == NULL) {
+ return (c);
+ }
+ link_name = form->name;
+ link_value = form->value;
+ my_data = options_list(form->select_list);
+
+ /*
+ * Move to the link position.
+ */
+ LYmove(links[cur].ly + title_adjust, links[cur].lx);
+
+ switch (form->type) {
+ case F_CHECKBOX_TYPE:
+ if (FormIsReadonly(form))
+ break;
+ LYSetHilite(cur, form->num_value ? unchecked_box : checked_box);
+ form->num_value = !form->num_value;
+ break;
+
+ case F_OPTION_LIST_TYPE:
+ if (form->select_list == 0) {
+ HTAlert(BAD_HTML_NO_POPUP);
+ c = DO_NOTHING;
+ break;
+ }
+
+ if (FormIsReadonly(form)) {
+ (void) LYhandlePopupList(form->num_value,
+ links[cur].ly,
+ links[cur].lx,
+ (STRING2PTR) my_data,
+ form->size,
+ form->size_l,
+ FormIsReadonly(form),
+ FALSE);
+ c = RepaintKey();
+ break;
+ }
+ form->num_value = LYhandlePopupList(form->num_value,
+ links[cur].ly,
+ links[cur].lx,
+ (STRING2PTR) my_data,
+ form->size,
+ form->size_l,
+ FormIsReadonly(form),
+ FALSE);
+ {
+ 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;
+ }
+ c = RepaintKey();
+ break;
+
+ case F_RADIO_TYPE:
+ if (FormIsReadonly(form))
+ break;
+ /*
+ * Radio buttons must have one and only one down at a time!
+ */
+ if (form->num_value) {
+ if (user_mode == NOVICE_MODE) {
+ 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].l_form->type == F_RADIO_TYPE
+ && links[i].l_form->number == form->number
+ /*
+ * If it has the same name and its on...
+ */
+ && !strcmp(links[i].l_form->name, form->name)
+ && links[i].l_form->num_value) {
+ LYmove(links[i].ly, links[i].lx);
+ LYaddstr(unchecked_radio);
+ LYSetHilite(i, unchecked_radio);
+ }
+ }
+ lynx_stop_radio_color();
+ /*
+ * Will unselect other button and select this one.
+ */
+ HText_activateRadioButton(form);
+ /*
+ * Now highlight this one.
+ */
+ LYSetHilite(cur, checked_radio);
+ }
+ break;
+
+ case F_FILE_TYPE:
+ case F_TEXT_TYPE:
+ case F_TEXTAREA_TYPE:
+ case F_PASSWORD_TYPE:
+ c = form_getstr(cur, use_last_tfpos, redraw_only);
+ LYSetHilite(cur, ((form->type == F_PASSWORD_TYPE)
+ ? STARS(LYstrCells(form->value))
+ : form->value));
+ break;
+
+ case F_RESET_TYPE:
+ if (FormIsReadonly(form))
+ break;
+ HText_ResetForm(form);
+ *refresh_screen = TRUE;
+ break;
+
+ case F_TEXT_SUBMIT_TYPE:
+ if (redraw_only) {
+ c = form_getstr(cur, use_last_tfpos, TRUE);
+ break;
+ }
+ if (!immediate_submit)
+ c = form_getstr(cur, use_last_tfpos, FALSE);
+ if (FormIsReadonly(form) &&
+ (c == '\r' || c == '\n' || immediate_submit)) {
+ if (peek_mouse_link() >= 0)
+ c = LAC_TO_LKC0(LYK_ACTIVATE);
+ else
+ c = '\t';
+ break;
+ }
+ /*
+ * If immediate_submit is set, we didn't enter the line editor above,
+ * and will now try to call HText_SubmitForm() directly. If
+ * immediate_submit is not set, c is the lynxkeycode returned from line
+ * editing. Then if c indicates that a key was pressed that means we
+ * should submit, but with some extra considerations (i.e. NOCACHE,
+ * DOWNLOAD, different from simple Enter), or if we should act on some
+ * *other* link selected with the mouse, we'll just return c and leave
+ * it to mainloop() to do the right thing; if everything checks out, it
+ * should call this function again, with immediate_submit set.
+ *
+ * If c indicates that line editing ended with Enter, we still defer to
+ * mainloop() for further checking if the submit action URL could
+ * require more checks than we do here. Only in the remaining cases do
+ * we proceed to call HText_SubmitForm() directly before returning. -
+ * kw
+ */
+ if (immediate_submit ||
+ ((c == '\r' ||
+ c == '\n' ||
+ c == LAC_TO_LKC0(LYK_MOUSE_SUBMIT)) &&
+ peek_mouse_link() == -1)) {
+ LYSetHilite(cur, form->value);
+#ifdef TEXT_SUBMIT_CONFIRM_WANTED
+ if (!immediate_submit && (c == '\r' || c == '\n') &&
+ !HTConfirmDefault(NO_SUBMIT_BUTTON_QUERY, YES)) {
+ /* User was prompted and declined; if canceled with ^G
+ * let mainloop stay on this field, otherwise move on to
+ * the next field or link. - kw
+ */
+ if (HTLastConfirmCancelled())
+ c = DO_NOTHING;
+ else
+ c = LAC_TO_LKC(LYK_NEXT_LINK);
+ break;
+ }
+#endif
+ if (isEmpty(form->submit_action)) {
+ 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 (!immediate_submit &&
+ ((no_file_url &&
+ isFILE_URL(form->submit_action)) ||
+ !strncasecomp(form->submit_action, "lynx", 4))) {
+ c = LAC_TO_LKC0(LYK_MOUSE_SUBMIT);
+ break;
+ } else {
+ if (form->no_cache &&
+ form->submit_method != URL_MAIL_METHOD) {
+ LYforce_no_cache = TRUE;
+ reloading = TRUE;
+ }
+ newdoc_changed =
+ 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 {
+ LYSetHilite(cur, form->value);
+ }
+ break;
+
+ case F_SUBMIT_TYPE:
+ case F_IMAGE_SUBMIT_TYPE:
+ if (FormIsReadonly(form))
+ break;
+ if (form->no_cache &&
+ form->submit_method != URL_MAIL_METHOD) {
+ LYforce_no_cache = TRUE;
+ reloading = TRUE;
+ }
+ newdoc_changed =
+ 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;
+
+ }
+
+ if (newdoc_changed) {
+ c = LKC_DONE;
+ } else {
+ /*
+ * These flags may have been set in mainloop, anticipating that a
+ * request will be submitted. But if we haven't filled in newdoc, that
+ * won't actually be the case, so unset them. - kw
+ */
+ LYforce_no_cache = FALSE;
+ reloading = FALSE;
+ }
+ FREE(my_data);
+ return (c);
+}
+
+int change_form_link(int cur,
+ DocInfo *newdoc,
+ BOOLEAN *refresh_screen,
+ int use_last_tfpos,
+ int immediate_submit)
+{
+ /*pass all our args and FALSE as last arg */
+ return change_form_link_ex(cur,
+ newdoc,
+ refresh_screen,
+ use_last_tfpos,
+ immediate_submit,
+ FALSE /*redraw_only */ );
+}
+
+static int LastTFPos = -1; /* remember last text field position */
+
+static void LYSetLastTFPos(int pos)
+{
+ LastTFPos = pos;
+}
+
+static int form_getstr(int cur,
+ int use_last_tfpos,
+ int redraw_only)
+{
+ FormInfo *form = links[cur].l_form;
+ char *link_value = form->value;
+ int ch;
+ int far_col;
+ int startcol, startline;
+ int action, repeat;
+ int last_xlkc = -1;
+
+#ifdef SUPPORT_MULTIBYTE_EDIT
+ BOOL refresh_mb = TRUE;
+#endif
+
+ FieldEditor MyEdit, *edit = &MyEdit;
+ BOOLEAN Edited = FALSE; /* Value might be updated? */
+
+ /*
+ * Get the initial position of the cursor.
+ */
+ LYGetYX(startline, startcol);
+ if (startline < 0)
+ startline = 0;
+ if (startcol < 0)
+ startcol = 0;
+ if ((startcol + form->size) > LYcolLimit)
+ far_col = LYcolLimit;
+ else
+ far_col = (startcol + form->size);
+
+ /*
+ * Make sure the form field value does not exceed our buffer. - FM
+ */
+ if (form->maxlength != 0 &&
+ strlen(form->value) > form->maxlength) {
+ /*
+ * We can't fit the entire value into the editing buffer, so enter as
+ * much of the tail as fits. - FM
+ */
+ link_value += (strlen(form->value) - form->maxlength);
+ if (!FormIsReadonly(form) &&
+ !(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);
+ show_formlink_statusline(form, redraw_only ? FOR_PANEL : FOR_INPUT);
+ LYmove(startline, startcol);
+ }
+ }
+
+ /*
+ * Print panned line
+ */
+ LYSetupEdit(edit, link_value, form->maxlength, (far_col - startcol));
+ edit->efPadChar = '_';
+ edit->efIsMasked = (BOOL) (form->type == F_PASSWORD_TYPE);
+ if (use_last_tfpos &&
+ LastTFPos >= 0 &&
+ LastTFPos < (int) edit->efBufInUse) {
+#if defined(TEXTFIELDS_MAY_NEED_ACTIVATION) && defined(INACTIVE_INPUT_STYLE_VH)
+ if (redraw_only) {
+ if (!((int) edit->efBufInUse >= edit->efWidth &&
+ LastTFPos >= edit->efWidth - edit->efPanMargin)) {
+ edit->efEditAt = LastTFPos;
+ if ((int) edit->efBufInUse >= edit->efWidth)
+ textinput_redrawn = FALSE;
+ }
+ } else
+#endif /* TEXTFIELDS_MAY_NEED_ACTIVATION && INACTIVE_INPUT_STYLE_VH */
+ edit->efEditAt = LastTFPos;
+#ifdef ENHANCED_LINEEDIT
+ if (edit->efEditAt == 0)
+ /* Do not show the region. */
+ edit->efEditMark = -(int) (1 + edit->efBufInUse);
+#endif
+ }
+ /* Try to prepare for setting position based on the last mouse event */
+#if defined(TEXTFIELDS_MAY_NEED_ACTIVATION) && defined(INACTIVE_INPUT_STYLE_VH)
+ if (!redraw_only) {
+ if (peek_mouse_levent()) {
+ if (!use_last_tfpos && !textinput_redrawn) {
+ edit->efEditAt = 0;
+ }
+ }
+ textinput_redrawn = FALSE;
+ }
+#else
+ if (peek_mouse_levent()) {
+ if (!use_last_tfpos)
+ edit->efEditAt = 0;
+ }
+#endif /* TEXTFIELDS_MAY_NEED_ACTIVATION && INACTIVE_INPUT_STYLE_VH */
+ LYRefreshEdit(edit);
+ if (redraw_only) {
+ LYFinishEdit(edit);
+ return 0; /*return value won't be analysed */
+ }
+#ifdef FEPCTRL
+ fep_on();
+#endif
+ /*
+ * And go for it!
+ */
+ for (;;) {
+ again:
+ repeat = -1;
+ get_mouse_link(); /* Reset mouse_link. */
+
+ ch = LYgetch_input();
+#ifdef SUPPORT_MULTIBYTE_EDIT
+ if (!refresh_mb
+ && (EditBinding(ch) != LYE_CHAR)
+#ifndef WIN_EX
+ && (EditBinding(ch) != LYE_AIX)
+#endif
+ )
+ goto again;
+#endif /* SUPPORT_MULTIBYTE_EDIT */
+#ifdef VMS
+ if (HadVMSInterrupt) {
+ HadVMSInterrupt = FALSE;
+ ch = LYCharINTERRUPT2;
+ }
+#endif /* VMS */
+
+ action = 0;
+#ifdef USE_MOUSE
+# if defined(NCURSES) || defined(PDCURSES)
+ if (ch != -1 && (ch & LKC_ISLAC) && !(ch & LKC_ISLECLAC)) /* already lynxactioncode? */
+ break; /* @@@ maybe move these 2 lines outside ifdef -kw */
+ if (ch == MOUSE_KEY) { /* Need to process ourselves */
+#if defined(PDCURSES)
+ int curx, cury;
+
+ request_mouse_pos();
+ LYGetYX(cury, curx);
+ if (MOUSE_Y_POS == cury) {
+ repeat = MOUSE_X_POS - curx;
+ if (repeat < 0) {
+ action = LYE_BACK;
+ repeat = -repeat;
+ } else
+ action = LYE_FORW;
+ }
+#else
+ MEVENT event;
+ int curx, cury;
+
+ getmouse(&event);
+ LYGetYX(cury, curx);
+ if (event.y == cury) {
+ repeat = event.x - curx;
+ if (repeat < 0) {
+ action = LYE_BACK;
+ repeat = -repeat;
+ } else
+ action = LYE_FORW;
+ }
+#endif /* PDCURSES */
+ else {
+ /* Mouse event passed to us as MOUSE_KEY, and apparently not on
+ * this field's line? Something is not as it should be...
+ *
+ * A call to statusline() may have happened, possibly from
+ * within a mouse menu. Let's at least make sure here that the
+ * cursor position gets restored. - kw
+ */
+ edit->efIsDirty = TRUE;
+ }
+ } else
+# endif /* NCURSES || PDCURSES */
+#endif /* USE_MOUSE */
+
+ {
+ if (!(ch & LKC_ISLECLAC))
+ ch |= edit->efInputMods;
+ edit->efInputMods = 0;
+ if (last_xlkc != -1) {
+ if (ch == last_xlkc)
+ ch |= LKC_MOD3;
+ }
+ }
+ if (peek_mouse_link() != -1)
+ break;
+
+ if (!action)
+ action = EditBinding(ch);
+ if ((action & LYE_DF) && !(action & LYE_FORM_LAC)) {
+ last_xlkc = ch;
+ action &= ~LYE_DF;
+ } else {
+ last_xlkc = -1;
+ }
+
+ if (action == LYE_SETM1) {
+ /*
+ * Set flag for modifier 1.
+ */
+ edit->efInputMods |= LKC_MOD1;
+ continue;
+ }
+ if (action == LYE_SETM2) {
+ /*
+ * Set flag for modifier 2.
+ */
+ edit->efInputMods |= LKC_MOD2;
+ continue;
+ }
+ /*
+ * Filter out global navigation keys that should not be passed to line
+ * editor, and LYK_REFRESH.
+ */
+ if (action == LYE_ENTER)
+ break;
+ if (action == LYE_FORM_PASS)
+ break;
+ if (action & LYE_FORM_LAC) {
+ ch = (action & LAC_MASK) | LKC_ISLAC;
+ break;
+ }
+ if (action == LYE_LKCMD) {
+ _statusline(ENTER_LYNX_COMMAND);
+ ch = LYgetch();
+#ifdef VMS
+ if (HadVMSInterrupt) {
+ HadVMSInterrupt = FALSE;
+ ch = LYCharINTERRUPT2;
+ }
+#endif /* VMS */
+ break;
+ }
+#ifdef CAN_CUT_AND_PASTE /* 1998/10/01 (Thu) 19:19:22 */
+ if (action == LYE_PASTE) {
+ unsigned char *s = (unsigned char *) get_clip_grab(), *e;
+ char *buf = NULL;
+ int len;
+
+ if (!s)
+ break;
+ len = (int) 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(edit, s, (int) (e1 - s), -1, TRUE);
+ s = e1;
+ if (*e1 == '\t') { /* Replace by space */
+ LYEditInsert(edit, (unsigned const char *) " ", 1,
+ -1, TRUE);
+ s = ++e1;
+ } else
+ break;
+ } else
+ ++e1;
+ }
+ if (e1 > s)
+ LYEditInsert(edit, s, (int) (e1 - s), -1, TRUE);
+ while (e1 < e && *e1 == '\r')
+ e1++;
+ if (e1 + 1 < e && *e1 == '\n')
+ StrAllocCopy(buf, (char *) e1 + 1); /* Survive _release() */
+ get_clip_release();
+ _statusline(ENTER_TEXT_ARROWS_OR_TAB);
+ if (strcmp(link_value, edit->efBuffer) != 0) {
+ Edited = TRUE;
+ }
+ if (buf) {
+ put_clip(buf);
+ FREE(buf);
+ ch = '\n'; /* Sometimes moves to the next line */
+ break;
+ }
+ LYRefreshEdit(edit);
+ } else {
+ HTInfoMsg(gettext("Clipboard empty or Not text data."));
+#ifdef FEPCTRL
+ fep_off();
+#endif
+ continue;
+ }
+ }
+#endif
+#ifndef WIN_EX
+ if (action == LYE_AIX &&
+ (!IS_CJK_TTY && LYlowest_eightbit[current_char_set] > 0x97))
+ break;
+#endif
+ if (action == LYE_TAB) {
+ ch = (int) ('\t');
+ break;
+ }
+ if (action == LYE_ABORT) {
+#ifdef FEPCTRL
+ fep_off();
+#endif
+ LYFinishEdit(edit);
+ return (DO_NOTHING);
+ }
+ if (action == LYE_STOP) {
+#ifdef TEXTFIELDS_MAY_NEED_ACTIVATION
+ textfields_need_activation = TRUE;
+ break;
+#else
+#ifdef ENHANCED_LINEEDIT
+ if (edit->efEditMark >= 0)
+ /* Disable. */
+ edit->efEditMark = -(int) (1 + edit->efBufInUse);
+#endif
+#endif
+ }
+ if (action == LYE_NOP && LKC_TO_LAC(keymap, ch) == LYK_REFRESH)
+ break;
+#ifdef SH_EX
+/* ASATAKU emacskey hack 1997/08/26 (Tue) 09:19:23 */
+ if (emacs_keys &&
+ (EditBinding(ch) == LYE_FORWW || EditBinding(ch) == LYE_BACKW))
+ goto breakfor;
+/* ASATAKU emacskey hack */
+#endif
+ switch (ch) {
+ default:
+ /* [ 1999/04/14 (Wed) 15:01:33 ]
+ * Left arrow in column 0 deserves special treatment here, else
+ * you can get trapped in a form without submit button!
+ */
+ if (action == LYE_BACK && edit->efEditAt == 0 && repeat == -1) {
+ int c = YES; /* Go back immediately if no changes */
+
+ if (textfield_prompt_at_left_edge) {
+ c = HTConfirmDefault(PREV_DOC_QUERY, NO);
+ } else if (strcmp(edit->efBuffer, link_value)) {
+ c = HTConfirmDefault(PREV_DOC_QUERY, NO);
+ }
+ if (c == YES) {
+#ifdef FEPCTRL
+ fep_off();
+#endif
+ LYFinishEdit(edit);
+ return (ch);
+ } else {
+ if (FormIsReadonly(form))
+ _statusline(ARROWS_OR_TAB_TO_MOVE);
+ else
+ _statusline(ENTER_TEXT_ARROWS_OR_TAB);
+ }
+ }
+ if (FormIsReadonly(form)) {
+ /*
+ * Allow actions that don't modify the contents even in
+ * disabled form fields, so the user can scroll through the
+ * line for reading if necessary. - kw
+ */
+ switch (action) {
+ case LYE_BOL:
+ case LYE_EOL:
+ case LYE_FORW:
+ case LYE_FORW_RL:
+ case LYE_BACK:
+ case LYE_BACK_LL:
+ case LYE_FORWW:
+ case LYE_BACKW:
+#ifdef EXP_KEYBOARD_LAYOUT
+ case LYE_SWMAP:
+#endif
+#ifdef ENHANCED_LINEEDIT
+ case LYE_SETMARK:
+ case LYE_XPMARK:
+#endif
+ break;
+ default:
+ goto again;
+ }
+ }
+ /*
+ * Make sure the statusline uses editmode help.
+ */
+ if (repeat < 0)
+ repeat = 1;
+ while (repeat--) {
+ int rc = LYDoEdit(edit, ch, action & ~LYE_DF, TRUE);
+
+ if (rc < 0) {
+ ch = -rc;
+ /* FORW_RL and BACK_LL may require special attention.
+ BACK_LL wanted to switch to the previous link on
+ the same line. However, if there is no such link,
+ then we would either disactivate the form
+ (with -tna), or will reenter the form, thus we jump
+ to the end of the line; both are counterintuitive.
+ Unfortunately, we do not have access to curdoc.link,
+ so we deduce it ourselves. We don't have the info
+ to do it inside LYLineEdit().
+ This should work for prompts too. */
+ switch (action) {
+ case LYE_BACK_LL:
+ if (cur > 0
+ && links[cur - 1].ly == links[cur].ly) {
+ goto breakfor;
+ }
+ break;
+ case LYE_FORW_RL:
+ if (cur >= 0
+ && cur < nlinks - 1
+ && links[cur + 1].ly == links[cur].ly) {
+ goto breakfor;
+ }
+ break;
+ default:
+ goto breakfor;
+ }
+ }
+#ifdef SUPPORT_MULTIBYTE_EDIT
+ if (rc == 0) {
+ if (IS_CJK_TTY && (0x80 <= ch)
+ && (ch <= 0xfe) && refresh_mb)
+ refresh_mb = FALSE;
+ else
+ refresh_mb = TRUE;
+ } else {
+ if (!refresh_mb) {
+ LYDoEdit(edit, 0, LYE_DELP, TRUE);
+ }
+ }
+#endif /* SUPPORT_MULTIBYTE_EDIT */
+ }
+ _statusline(ENTER_TEXT_ARROWS_OR_TAB);
+ if (strcmp(link_value, edit->efBuffer)) {
+ Edited = TRUE;
+ }
+#ifdef SUPPORT_MULTIBYTE_EDIT
+ if (refresh_mb)
+#endif
+ LYRefreshEdit(edit);
+ LYSetLastTFPos(edit->efEditAt);
+ }
+ }
+ breakfor:
+ if (Edited) {
+
+ /*
+ * Load the new value.
+ */
+ if (link_value == form->value) {
+ /*
+ * The previous value did fit in the line buffer, so replace it
+ * with the new value. - FM
+ */
+ StrAllocCopy(form->value, edit->efBuffer);
+ } else {
+ int old_len = (int) strlen(form->value);
+ int new_len = (int) strlen(link_value);
+
+ /*
+ * Combine the modified tail with the unmodified head. - FM
+ */
+ form->value[(old_len > new_len) ? (old_len - new_len) : 0] = '\0';
+ StrAllocCat(form->value, edit->efBuffer);
+ HTUserMsg(FORM_TAIL_COMBINED_WITH_HEAD);
+ }
+
+ /* 2.8.4pre.3 - most browsers appear to preserve trailing spaces -VH */
+ /*
+ * 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????
+ */
+ if (LYtrimInputFields) {
+ LYTrimTrailing(form->value);
+ }
+
+ /*
+ * 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 (non_empty(form->value))
+ form->value_cs = current_char_set;
+ }
+#ifdef FEPCTRL
+ fep_off();
+#endif
+ LYFinishEdit(edit);
+ return (ch);
+}
+
+#ifdef TEXTFIELDS_MAY_NEED_ACTIVATION
+#define TMA_PANEL(fp,np) ((for_what == FOR_PANEL) ? fp : np)
+#else
+#define TMA_PANEL(fp,np) np
+#endif
+
+/*
+ * Display statusline info tailored for the current form field.
+ */
+void show_formlink_statusline(const FormInfo * form,
+ int for_what)
+{
+ switch (form->type) {
+ case F_PASSWORD_TYPE:
+ if (FormIsReadonly(form))
+ statusline(FORM_LINK_PASSWORD_UNM_MSG);
+ else
+ statusline(TMA_PANEL(FORM_LINK_PASSWORD_MESSAGE_INA,
+ FORM_LINK_PASSWORD_MESSAGE));
+ break;
+ case F_OPTION_LIST_TYPE:
+ if (FormIsReadonly(form)) {
+ statusline(FORM_LINK_OPTION_LIST_UNM_MSG);
+ } else if (fields_are_named()) {
+ char *submit_str = NULL;
+
+ HTSprintf0(&submit_str, FORM_LINK_OPTION_LIST_ADV_MSG, form->name);
+ statusline(submit_str);
+ FREE(submit_str);
+ } else {
+ statusline(FORM_LINK_OPTION_LIST_MESSAGE);
+ }
+ break;
+ case F_CHECKBOX_TYPE:
+ if (FormIsReadonly(form)) {
+ statusline(FORM_LINK_CHECKBOX_UNM_MSG);
+ } else if (fields_are_named()) {
+ char *submit_str = NULL;
+
+ HTSprintf0(&submit_str, FORM_LINK_CHECKBOX_ADV_MSG, form->name);
+ statusline(submit_str);
+ FREE(submit_str);
+ } else {
+ statusline(FORM_LINK_CHECKBOX_MESSAGE);
+ }
+ break;
+ case F_RADIO_TYPE:
+ if (FormIsReadonly(form)) {
+ statusline(FORM_LINK_RADIO_UNM_MSG);
+ } else if (fields_are_named()) {
+ char *submit_str = NULL;
+
+ HTSprintf0(&submit_str, FORM_LINK_RADIO_ADV_MSG, form->name);
+ statusline(submit_str);
+ FREE(submit_str);
+ } else {
+ statusline(FORM_LINK_RADIO_MESSAGE);
+ }
+ break;
+ case F_TEXT_SUBMIT_TYPE:
+ if (FormIsReadonly(form)) {
+ statusline(FORM_LINK_TEXT_SUBMIT_UNM_MSG);
+ } else if (form->submit_method ==
+ URL_MAIL_METHOD) {
+ if (no_mail)
+ statusline(FORM_LINK_TEXT_SUBMIT_MAILTO_DIS_MSG);
+ else
+ statusline(TMA_PANEL(FORM_TEXT_SUBMIT_MAILTO_MSG_INA,
+ FORM_LINK_TEXT_SUBMIT_MAILTO_MSG));
+ } else if (form->no_cache) {
+ statusline(TMA_PANEL(FORM_TEXT_RESUBMIT_MESSAGE_INA,
+ FORM_LINK_TEXT_RESUBMIT_MESSAGE));
+ } else {
+ char *submit_str = NULL;
+ char *xkey_info = key_for_func_ext(LYK_NOCACHE, for_what);
+
+ if (non_empty(xkey_info)) {
+ HTSprintf0(&submit_str,
+ TMA_PANEL(FORM_TEXT_SUBMIT_MESSAGE_INA_X,
+ FORM_LINK_TEXT_SUBMIT_MESSAGE_X),
+ xkey_info);
+ statusline(submit_str);
+ FREE(submit_str);
+ } else {
+ statusline(TMA_PANEL(FORM_LINK_TEXT_SUBMIT_MESSAGE_INA,
+ FORM_LINK_TEXT_SUBMIT_MESSAGE));
+ }
+ FREE(xkey_info);
+ }
+ break;
+ case F_SUBMIT_TYPE:
+ case F_IMAGE_SUBMIT_TYPE:
+ if (FormIsReadonly(form)) {
+ statusline(FORM_LINK_SUBMIT_DIS_MSG);
+ } else if (form->submit_method ==
+ URL_MAIL_METHOD) {
+ if (no_mail) {
+ statusline(FORM_LINK_SUBMIT_MAILTO_DIS_MSG);
+ } else {
+ if (user_mode == MINIMAL_MODE) {
+ statusline("");
+ } else if (user_mode == ADVANCED_MODE) {
+ char *submit_str = NULL;
+
+ StrAllocCopy(submit_str, FORM_LINK_SUBMIT_MAILTO_PREFIX);
+ StrAllocCat(submit_str, form->submit_action);
+ statusline(submit_str);
+ FREE(submit_str);
+ } else {
+ statusline(FORM_LINK_SUBMIT_MAILTO_MSG);
+ }
+ }
+ } else if (form->no_cache) {
+ if (user_mode == MINIMAL_MODE) {
+ statusline("");
+ } else if (user_mode == ADVANCED_MODE) {
+ char *submit_str = NULL;
+
+ StrAllocCopy(submit_str, FORM_LINK_RESUBMIT_PREFIX);
+ StrAllocCat(submit_str, form->submit_action);
+ statusline(submit_str);
+ FREE(submit_str);
+ } else {
+ statusline(FORM_LINK_RESUBMIT_MESSAGE);
+ }
+ } else {
+ if (user_mode == MINIMAL_MODE) {
+ statusline("");
+ } else if (user_mode == ADVANCED_MODE) {
+ char *submit_str = NULL;
+
+ StrAllocCopy(submit_str, FORM_LINK_SUBMIT_PREFIX);
+ StrAllocCat(submit_str, form->submit_action);
+ statusline(submit_str);
+ FREE(submit_str);
+ } else {
+ statusline(FORM_LINK_SUBMIT_MESSAGE);
+ }
+ }
+ break;
+ case F_RESET_TYPE:
+ if (FormIsReadonly(form))
+ statusline(FORM_LINK_RESET_DIS_MSG);
+ else
+ statusline(FORM_LINK_RESET_MESSAGE);
+ break;
+ case F_BUTTON_TYPE:
+ if (FormIsReadonly(form)) {
+ statusline(FORM_LINK_BUTTON_DIS_MSG);
+ } else if (fields_are_named()) {
+ char *submit_str = NULL;
+
+ HTSprintf0(&submit_str, FORM_LINK_BUTTON_ADV_MSG, form->name);
+ statusline(submit_str);
+ FREE(submit_str);
+ } else {
+ statusline(FORM_LINK_BUTTON_MESSAGE);
+ }
+ break;
+ case F_FILE_TYPE:
+ if (FormIsReadonly(form))
+ statusline(FORM_LINK_FILE_UNM_MSG);
+ else
+ statusline(FORM_LINK_FILE_MESSAGE);
+ break;
+ case F_TEXT_TYPE:
+ if (FormIsReadonly(form)) {
+ statusline(FORM_LINK_TEXT_UNM_MSG);
+ } else if (fields_are_named()) {
+ char *submit_str = NULL;
+
+ HTSprintf0(&submit_str,
+ TMA_PANEL(FORM_LINK_TEXT_ADV_MSG_INA,
+ FORM_LINK_TEXT_ADV_MSG),
+ form->name);
+ statusline(submit_str);
+ FREE(submit_str);
+ } else {
+ statusline(TMA_PANEL(FORM_LINK_TEXT_MESSAGE_INA,
+ FORM_LINK_TEXT_MESSAGE));
+ }
+ break;
+ case F_TEXTAREA_TYPE:
+ if (FormIsReadonly(form)) {
+ statusline(FORM_LINK_TEXT_UNM_MSG);
+ } else {
+ char *submit_str = NULL;
+ char *xkey_info = NULL;
+
+ if (!no_editor && non_empty(editor)) {
+ xkey_info = key_for_func_ext(LYK_EDITTEXTAREA, for_what);
+#ifdef TEXTAREA_AUTOEXTEDIT
+ if (!xkey_info)
+ xkey_info = key_for_func_ext(LYK_DWIMEDIT, for_what);
+#endif
+ }
+ if (non_empty(xkey_info)) {
+ if (fields_are_named()) {
+ HTSprintf0(&submit_str,
+ TMA_PANEL(FORM_LINK_TEXTAREA_ADV_MSG_INA_E,
+ FORM_LINK_TEXTAREA_ADV_MSG_E),
+ form->name,
+ xkey_info);
+ } else {
+ HTSprintf0(&submit_str,
+ TMA_PANEL(FORM_LINK_TEXTAREA_MESSAGE_INA_E,
+ FORM_LINK_TEXTAREA_MESSAGE_E),
+ xkey_info);
+ }
+ statusline(submit_str);
+ FREE(submit_str);
+ } else {
+ if (fields_are_named()) {
+ HTSprintf0(&submit_str,
+ TMA_PANEL(FORM_LINK_TEXTAREA_ADV_MSG_INA,
+ FORM_LINK_TEXTAREA_ADV_MSG),
+ form->name);
+ statusline(submit_str);
+ FREE(submit_str);
+ } else {
+ statusline(TMA_PANEL(FORM_LINK_TEXTAREA_MESSAGE_INA,
+ FORM_LINK_TEXTAREA_MESSAGE));
+ }
+ }
+ FREE(xkey_info);
+ }
+ break;
+ }
+}