Sebastian Kuschel reports that pfd_closing can be called for a socket
[u/mdw/putty] / terminal.c
index 906f252..113edc4 100644 (file)
@@ -1,3 +1,7 @@
+/*
+ * Terminal emulator.
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <ctype.h>
@@ -61,6 +65,8 @@
 
 #define has_compat(x) ( ((CL_##x)&term->compatibility_level) != 0 )
 
+char *EMPTY_WINDOW_TITLE = "";
+
 const char sco2ansicolour[] = { 0, 4, 2, 6, 1, 5, 3, 7 };
 
 #define sel_nl_sz  (sizeof(sel_nl)/sizeof(wchar_t))
@@ -94,10 +100,12 @@ static termline *lineptr(Terminal *, int, int, int);
 static void unlineptr(termline *);
 static void do_paint(Terminal *, Context, int);
 static void erase_lots(Terminal *, int, int, int);
+static int find_last_nonempty_line(Terminal *, tree234 *);
 static void swap_screen(Terminal *, int, int, int);
 static void update_sbar(Terminal *);
 static void deselect(Terminal *);
 static void term_print_finish(Terminal *);
+static void scroll(Terminal *, int, int, int, int);
 #ifdef OPTIMISE_SCROLL
 static void scroll_display(Terminal *, int, int, int);
 #endif /* OPTIMISE_SCROLL */
@@ -981,7 +989,7 @@ static void resizeline(Terminal *term, termline *line, int cols)
 static int sblines(Terminal *term)
 {
     int sblines = count234(term->scrollback);
-    if (term->cfg.erase_to_scrollback &&
+    if (term->erase_to_scrollback &&
        term->alt_which && term->alt_screen) {
            sblines += term->alt_sblines;
     }
@@ -1007,7 +1015,7 @@ static termline *lineptr(Terminal *term, int y, int lineno, int screen)
 
        assert(!screen);
 
-       if (term->cfg.erase_to_scrollback &&
+       if (term->erase_to_scrollback &&
            term->alt_which && term->alt_screen) {
            altlines = term->alt_sblines;
        }
@@ -1057,32 +1065,32 @@ static termline *lineptr(Terminal *term, int y, int lineno, int screen)
 static void term_schedule_tblink(Terminal *term);
 static void term_schedule_cblink(Terminal *term);
 
-static void term_timer(void *ctx, long now)
+static void term_timer(void *ctx, unsigned long now)
 {
     Terminal *term = (Terminal *)ctx;
     int update = FALSE;
 
-    if (term->tblink_pending && now - term->next_tblink >= 0) {
+    if (term->tblink_pending && now == term->next_tblink) {
        term->tblinker = !term->tblinker;
        term->tblink_pending = FALSE;
        term_schedule_tblink(term);
        update = TRUE;
     }
 
-    if (term->cblink_pending && now - term->next_cblink >= 0) {
+    if (term->cblink_pending && now == term->next_cblink) {
        term->cblinker = !term->cblinker;
        term->cblink_pending = FALSE;
        term_schedule_cblink(term);
        update = TRUE;
     }
 
-    if (term->in_vbell && now - term->vbell_end >= 0) {
+    if (term->in_vbell && now == term->vbell_end) {
        term->in_vbell = FALSE;
        update = TRUE;
     }
 
     if (update ||
-       (term->window_update_pending && now - term->next_update >= 0))
+       (term->window_update_pending && now == term->next_update))
        term_update(term);
 }
 
@@ -1125,7 +1133,7 @@ static void term_schedule_tblink(Terminal *term)
  */
 static void term_schedule_cblink(Terminal *term)
 {
-    if (term->cfg.blink_cur && term->has_focus) {
+    if (term->blink_cur && term->has_focus) {
        if (!term->cblink_pending)
            term->next_cblink = schedule_timer(CBLINK_DELAY, term_timer, term);
        term->cblink_pending = TRUE;
@@ -1170,12 +1178,15 @@ static void term_schedule_vbell(Terminal *term, int already_started,
 
 /*
  * Set up power-on settings for the terminal.
+ * If 'clear' is false, don't actually clear the primary screen, and
+ * position the cursor below the last non-blank line (scrolling if
+ * necessary).
  */
-static void power_on(Terminal *term)
+static void power_on(Terminal *term, int clear)
 {
-    term->curs.x = term->curs.y = 0;
     term->alt_x = term->alt_y = 0;
     term->savecurs.x = term->savecurs.y = 0;
+    term->alt_savecurs.x = term->alt_savecurs.y = 0;
     term->alt_t = term->marg_t = 0;
     if (term->rows != -1)
        term->alt_b = term->marg_b = term->rows - 1;
@@ -1186,39 +1197,57 @@ static void power_on(Terminal *term)
        for (i = 0; i < term->cols; i++)
            term->tabs[i] = (i % 8 == 0 ? TRUE : FALSE);
     }
-    term->alt_om = term->dec_om = term->cfg.dec_om;
+    term->alt_om = term->dec_om = conf_get_int(term->conf, CONF_dec_om);
     term->alt_ins = term->insert = FALSE;
-    term->alt_wnext = term->wrapnext = term->save_wnext = FALSE;
-    term->alt_wrap = term->wrap = term->cfg.wrap_mode;
-    term->alt_cset = term->cset = term->save_cset = 0;
-    term->alt_utf = term->utf = term->save_utf = 0;
+    term->alt_wnext = term->wrapnext =
+        term->save_wnext = term->alt_save_wnext = FALSE;
+    term->alt_wrap = term->wrap = conf_get_int(term->conf, CONF_wrap_mode);
+    term->alt_cset = term->cset = term->save_cset = term->alt_save_cset = 0;
+    term->alt_utf = term->utf = term->save_utf = term->alt_save_utf = 0;
     term->utf_state = 0;
-    term->alt_sco_acs = term->sco_acs = term->save_sco_acs = 0;
-    term->cset_attr[0] = term->cset_attr[1] = term->save_csattr = CSET_ASCII;
+    term->alt_sco_acs = term->sco_acs =
+        term->save_sco_acs = term->alt_save_sco_acs = 0;
+    term->cset_attr[0] = term->cset_attr[1] =
+        term->save_csattr = term->alt_save_csattr = CSET_ASCII;
     term->rvideo = 0;
     term->in_vbell = FALSE;
     term->cursor_on = 1;
     term->big_cursor = 0;
-    term->default_attr = term->save_attr = term->curr_attr = ATTR_DEFAULT;
+    term->default_attr = term->save_attr =
+       term->alt_save_attr = term->curr_attr = ATTR_DEFAULT;
     term->term_editing = term->term_echoing = FALSE;
-    term->app_cursor_keys = term->cfg.app_cursor;
-    term->app_keypad_keys = term->cfg.app_keypad;
-    term->use_bce = term->cfg.bce;
-    term->blink_is_real = term->cfg.blinktext;
+    term->app_cursor_keys = conf_get_int(term->conf, CONF_app_cursor);
+    term->app_keypad_keys = conf_get_int(term->conf, CONF_app_keypad);
+    term->use_bce = conf_get_int(term->conf, CONF_bce);
+    term->blink_is_real = conf_get_int(term->conf, CONF_blinktext);
     term->erase_char = term->basic_erase_char;
     term->alt_which = 0;
     term_print_finish(term);
+    term->xterm_mouse = 0;
+    term->xterm_extended_mouse = 0;
+    term->urxvt_extended_mouse = 0;
+    set_raw_mouse_mode(term->frontend, FALSE);
+    term->bracketed_paste = FALSE;
     {
        int i;
        for (i = 0; i < 256; i++)
-           term->wordness[i] = term->cfg.wordness[i];
+           term->wordness[i] = conf_get_int_int(term->conf, CONF_wordness, i);
     }
     if (term->screen) {
        swap_screen(term, 1, FALSE, FALSE);
        erase_lots(term, FALSE, TRUE, TRUE);
        swap_screen(term, 0, FALSE, FALSE);
-       erase_lots(term, FALSE, TRUE, TRUE);
+       if (clear)
+           erase_lots(term, FALSE, TRUE, TRUE);
+       term->curs.y = find_last_nonempty_line(term, term->screen) + 1;
+       if (term->curs.y == term->rows) {
+           term->curs.y--;
+           scroll(term, 0, term->rows - 1, 1, TRUE);
+       }
+    } else {
+       term->curs.y = 0;
     }
+    term->curs.x = 0;
     term_schedule_tblink(term);
     term_schedule_cblink(term);
 }
@@ -1235,7 +1264,7 @@ void term_update(Terminal *term)
     ctx = get_ctx(term->frontend);
     if (ctx) {
        int need_sbar_update = term->seen_disp_event;
-       if (term->seen_disp_event && term->cfg.scroll_on_disp) {
+       if (term->seen_disp_event && term->scroll_on_disp) {
            term->disptop = 0;         /* return to main screen */
            term->seen_disp_event = 0;
            need_sbar_update = TRUE;
@@ -1274,7 +1303,7 @@ void term_seen_key_event(Terminal *term)
     /*
      * Reset the scrollback on keypress, if we're doing that.
      */
-    if (term->cfg.scroll_on_key) {
+    if (term->scroll_on_key) {
        term->disptop = 0;             /* return to main screen */
        seen_disp_event(term);
     }
@@ -1283,9 +1312,9 @@ void term_seen_key_event(Terminal *term)
 /*
  * Same as power_on(), but an external function.
  */
-void term_pwron(Terminal *term)
+void term_pwron(Terminal *term, int clear)
 {
-    power_on(term);
+    power_on(term, clear);
     if (term->ldisc)                  /* cause ldisc to notice changes */
        ldisc_send(term->ldisc, NULL, 0, 0);
     term->disptop = 0;
@@ -1302,12 +1331,82 @@ static void set_erase_char(Terminal *term)
 }
 
 /*
+ * We copy a bunch of stuff out of the Conf structure into local
+ * fields in the Terminal structure, to avoid the repeated tree234
+ * lookups which would be involved in fetching them from the former
+ * every time.
+ */
+void term_copy_stuff_from_conf(Terminal *term)
+{
+    term->ansi_colour = conf_get_int(term->conf, CONF_ansi_colour);
+    term->arabicshaping = conf_get_int(term->conf, CONF_arabicshaping);
+    term->beep = conf_get_int(term->conf, CONF_beep);
+    term->bellovl = conf_get_int(term->conf, CONF_bellovl);
+    term->bellovl_n = conf_get_int(term->conf, CONF_bellovl_n);
+    term->bellovl_s = conf_get_int(term->conf, CONF_bellovl_s);
+    term->bellovl_t = conf_get_int(term->conf, CONF_bellovl_t);
+    term->bidi = conf_get_int(term->conf, CONF_bidi);
+    term->bksp_is_delete = conf_get_int(term->conf, CONF_bksp_is_delete);
+    term->blink_cur = conf_get_int(term->conf, CONF_blink_cur);
+    term->blinktext = conf_get_int(term->conf, CONF_blinktext);
+    term->cjk_ambig_wide = conf_get_int(term->conf, CONF_cjk_ambig_wide);
+    term->conf_height = conf_get_int(term->conf, CONF_height);
+    term->conf_width = conf_get_int(term->conf, CONF_width);
+    term->crhaslf = conf_get_int(term->conf, CONF_crhaslf);
+    term->erase_to_scrollback = conf_get_int(term->conf, CONF_erase_to_scrollback);
+    term->funky_type = conf_get_int(term->conf, CONF_funky_type);
+    term->lfhascr = conf_get_int(term->conf, CONF_lfhascr);
+    term->logflush = conf_get_int(term->conf, CONF_logflush);
+    term->logtype = conf_get_int(term->conf, CONF_logtype);
+    term->mouse_override = conf_get_int(term->conf, CONF_mouse_override);
+    term->nethack_keypad = conf_get_int(term->conf, CONF_nethack_keypad);
+    term->no_alt_screen = conf_get_int(term->conf, CONF_no_alt_screen);
+    term->no_applic_c = conf_get_int(term->conf, CONF_no_applic_c);
+    term->no_applic_k = conf_get_int(term->conf, CONF_no_applic_k);
+    term->no_dbackspace = conf_get_int(term->conf, CONF_no_dbackspace);
+    term->no_mouse_rep = conf_get_int(term->conf, CONF_no_mouse_rep);
+    term->no_remote_charset = conf_get_int(term->conf, CONF_no_remote_charset);
+    term->no_remote_resize = conf_get_int(term->conf, CONF_no_remote_resize);
+    term->no_remote_wintitle = conf_get_int(term->conf, CONF_no_remote_wintitle);
+    term->rawcnp = conf_get_int(term->conf, CONF_rawcnp);
+    term->rect_select = conf_get_int(term->conf, CONF_rect_select);
+    term->remote_qtitle_action = conf_get_int(term->conf, CONF_remote_qtitle_action);
+    term->rxvt_homeend = conf_get_int(term->conf, CONF_rxvt_homeend);
+    term->scroll_on_disp = conf_get_int(term->conf, CONF_scroll_on_disp);
+    term->scroll_on_key = conf_get_int(term->conf, CONF_scroll_on_key);
+    term->xterm_256_colour = conf_get_int(term->conf, CONF_xterm_256_colour);
+
+    /*
+     * Parse the control-character escapes in the configured
+     * answerback string.
+     */
+    {
+       char *answerback = conf_get_str(term->conf, CONF_answerback);
+       int maxlen = strlen(answerback);
+
+       term->answerback = snewn(maxlen, char);
+       term->answerbacklen = 0;
+
+       while (*answerback) {
+           char *n;
+           char c = ctrlparse(answerback, &n);
+           if (n) {
+               term->answerback[term->answerbacklen++] = c;
+               answerback = n;
+           } else {
+               term->answerback[term->answerbacklen++] = *answerback++;
+           }
+       }
+    }
+}
+
+/*
  * When the user reconfigures us, we need to check the forbidden-
  * alternate-screen config option, disable raw mouse mode if the
  * user has disabled mouse reporting, and abandon a print job if
  * the user has disabled printing.
  */
-void term_reconfig(Terminal *term, Config *cfg)
+void term_reconfig(Terminal *term, Conf *conf)
 {
     /*
      * Before adopting the new config, check all those terminal
@@ -1319,21 +1418,28 @@ void term_reconfig(Terminal *term, Config *cfg)
     int reset_wrap, reset_decom, reset_bce, reset_tblink, reset_charclass;
     int i;
 
-    reset_wrap = (term->cfg.wrap_mode != cfg->wrap_mode);
-    reset_decom = (term->cfg.dec_om != cfg->dec_om);
-    reset_bce = (term->cfg.bce != cfg->bce);
-    reset_tblink = (term->cfg.blinktext != cfg->blinktext);
+    reset_wrap = (conf_get_int(term->conf, CONF_wrap_mode) !=
+                 conf_get_int(conf, CONF_wrap_mode));
+    reset_decom = (conf_get_int(term->conf, CONF_dec_om) !=
+                  conf_get_int(conf, CONF_dec_om));
+    reset_bce = (conf_get_int(term->conf, CONF_bce) !=
+                conf_get_int(conf, CONF_bce));
+    reset_tblink = (conf_get_int(term->conf, CONF_blinktext) !=
+                   conf_get_int(conf, CONF_blinktext));
     reset_charclass = 0;
-    for (i = 0; i < lenof(term->cfg.wordness); i++)
-       if (term->cfg.wordness[i] != cfg->wordness[i])
+    for (i = 0; i < 256; i++)
+       if (conf_get_int_int(term->conf, CONF_wordness, i) !=
+           conf_get_int_int(conf, CONF_wordness, i))
            reset_charclass = 1;
 
     /*
      * If the bidi or shaping settings have changed, flush the bidi
      * cache completely.
      */
-    if (term->cfg.arabicshaping != cfg->arabicshaping ||
-       term->cfg.bidi != cfg->bidi) {
+    if (conf_get_int(term->conf, CONF_arabicshaping) !=
+       conf_get_int(conf, CONF_arabicshaping) ||
+       conf_get_int(term->conf, CONF_bidi) !=
+       conf_get_int(conf, CONF_bidi)) {
        for (i = 0; i < term->bidi_cache_size; i++) {
            sfree(term->pre_bidi_cache[i].chars);
            sfree(term->post_bidi_cache[i].chars);
@@ -1344,39 +1450,41 @@ void term_reconfig(Terminal *term, Config *cfg)
        }
     }
 
-    term->cfg = *cfg;                 /* STRUCTURE COPY */
+    conf_free(term->conf);
+    term->conf = conf_copy(conf);
 
     if (reset_wrap)
-       term->alt_wrap = term->wrap = term->cfg.wrap_mode;
+       term->alt_wrap = term->wrap = conf_get_int(term->conf, CONF_wrap_mode);
     if (reset_decom)
-       term->alt_om = term->dec_om = term->cfg.dec_om;
+       term->alt_om = term->dec_om = conf_get_int(term->conf, CONF_dec_om);
     if (reset_bce) {
-       term->use_bce = term->cfg.bce;
+       term->use_bce = conf_get_int(term->conf, CONF_bce);
        set_erase_char(term);
     }
     if (reset_tblink) {
-       term->blink_is_real = term->cfg.blinktext;
+       term->blink_is_real = conf_get_int(term->conf, CONF_blinktext);
     }
     if (reset_charclass)
        for (i = 0; i < 256; i++)
-           term->wordness[i] = term->cfg.wordness[i];
+           term->wordness[i] = conf_get_int_int(term->conf, CONF_wordness, i);
 
-    if (term->cfg.no_alt_screen)
+    if (conf_get_int(term->conf, CONF_no_alt_screen))
        swap_screen(term, 0, FALSE, FALSE);
-    if (term->cfg.no_mouse_rep) {
+    if (conf_get_int(term->conf, CONF_no_mouse_rep)) {
        term->xterm_mouse = 0;
        set_raw_mouse_mode(term->frontend, 0);
     }
-    if (term->cfg.no_remote_charset) {
+    if (conf_get_int(term->conf, CONF_no_remote_charset)) {
        term->cset_attr[0] = term->cset_attr[1] = CSET_ASCII;
        term->sco_acs = term->alt_sco_acs = 0;
        term->utf = 0;
     }
-    if (!*term->cfg.printer) {
+    if (!conf_get_str(term->conf, CONF_printer)) {
        term_print_finish(term);
     }
     term_schedule_tblink(term);
     term_schedule_cblink(term);
+    term_copy_stuff_from_conf(term);
 }
 
 /*
@@ -1397,7 +1505,7 @@ void term_clrsb(Terminal *term)
 /*
  * Initialise the terminal.
  */
-Terminal *term_init(Config *mycfg, struct unicode_data *ucsdata,
+Terminal *term_init(Conf *myconf, struct unicode_data *ucsdata,
                    void *frontend)
 {
     Terminal *term;
@@ -1409,7 +1517,7 @@ Terminal *term_init(Config *mycfg, struct unicode_data *ucsdata,
     term = snew(Terminal);
     term->frontend = frontend;
     term->ucsdata = ucsdata;
-    term->cfg = *mycfg;                       /* STRUCTURE COPY */
+    term->conf = conf_copy(myconf);
     term->logctx = NULL;
     term->compatibility_level = TM_PUTTY;
     strcpy(term->id_string, "\033[?6c");
@@ -1424,7 +1532,7 @@ Terminal *term_init(Config *mycfg, struct unicode_data *ucsdata,
     term->vt52_mode = FALSE;
     term->cr_lf_return = FALSE;
     term->seen_disp_event = FALSE;
-    term->xterm_mouse = term->mouse_is_down = FALSE;
+    term->mouse_is_down = FALSE;
     term->reset_132 = FALSE;
     term->cblinker = term->tblinker = 0;
     term->has_focus = 1;
@@ -1433,6 +1541,8 @@ Terminal *term_init(Config *mycfg, struct unicode_data *ucsdata,
     term->selstate = NO_SELECTION;
     term->curstype = 0;
 
+    term_copy_stuff_from_conf(term);
+
     term->screen = term->alt_screen = term->scrollback = NULL;
     term->tempsblines = 0;
     term->alt_sblines = 0;
@@ -1442,7 +1552,7 @@ Terminal *term_init(Config *mycfg, struct unicode_data *ucsdata,
     term->tabs = NULL;
     deselect(term);
     term->rows = term->cols = -1;
-    power_on(term);
+    power_on(term, TRUE);
     term->beephead = term->beeptail = NULL;
 #ifdef OPTIMISE_SCROLL
     term->scrollhead = term->scrolltail = NULL;
@@ -1511,12 +1621,18 @@ void term_free(Terminal *term)
     for (i = 0; i < term->bidi_cache_size; i++) {
        sfree(term->pre_bidi_cache[i].chars);
        sfree(term->post_bidi_cache[i].chars);
+        sfree(term->post_bidi_cache[i].forward);
+        sfree(term->post_bidi_cache[i].backward);
     }
     sfree(term->pre_bidi_cache);
     sfree(term->post_bidi_cache);
 
+    sfree(term->tabs);
+
     expire_timer_context(term);
 
+    conf_free(term->conf);
+
     sfree(term);
 }
 
@@ -1588,6 +1704,8 @@ void term_size(Terminal *term, int newrows, int newcols, int newsavelines)
            addpos234(term->screen, line, 0);
            term->curs.y += 1;
            term->savecurs.y += 1;
+           term->alt_y += 1;
+           term->alt_savecurs.y += 1;
        } else {
            /* Add a new blank line at the bottom of the screen. */
            line = newline(term, newcols, FALSE);
@@ -1599,7 +1717,8 @@ void term_size(Terminal *term, int newrows, int newcols, int newsavelines)
     while (term->rows > newrows) {
        if (term->curs.y < term->rows - 1) {
            /* delete bottom row, unless it contains the cursor */
-           sfree(delpos234(term->screen, term->rows - 1));
+            line = delpos234(term->screen, term->rows - 1);
+            freeline(line);
        } else {
            /* push top row to scrollback */
            line = delpos234(term->screen, 0);
@@ -1608,6 +1727,8 @@ void term_size(Terminal *term, int newrows, int newcols, int newsavelines)
            term->tempsblines += 1;
            term->curs.y -= 1;
            term->savecurs.y -= 1;
+           term->alt_y -= 1;
+           term->alt_savecurs.y -= 1;
        }
        term->rows -= 1;
     }
@@ -1667,12 +1788,26 @@ void term_size(Terminal *term, int newrows, int newcols, int newsavelines)
        term->savecurs.y = 0;
     if (term->savecurs.y >= newrows)
        term->savecurs.y = newrows - 1;
+    if (term->savecurs.x >= newcols)
+       term->savecurs.x = newcols - 1;
+    if (term->alt_savecurs.y < 0)
+       term->alt_savecurs.y = 0;
+    if (term->alt_savecurs.y >= newrows)
+       term->alt_savecurs.y = newrows - 1;
+    if (term->alt_savecurs.x >= newcols)
+       term->alt_savecurs.x = newcols - 1;
     if (term->curs.y < 0)
        term->curs.y = 0;
     if (term->curs.y >= newrows)
        term->curs.y = newrows - 1;
     if (term->curs.x >= newcols)
        term->curs.x = newcols - 1;
+    if (term->alt_y < 0)
+       term->alt_y = 0;
+    if (term->alt_y >= newrows)
+       term->alt_y = newrows - 1;
+    if (term->alt_x >= newcols)
+       term->alt_x = newcols - 1;
     term->alt_x = term->alt_y = 0;
     term->wrapnext = term->alt_wnext = FALSE;
 
@@ -1698,7 +1833,7 @@ void term_provide_resize_fn(Terminal *term,
 {
     term->resize_fn = resize_fn;
     term->resize_ctx = resize_ctx;
-    if (term->cols > 0 && term->rows > 0)
+    if (resize_fn && term->cols > 0 && term->rows > 0)
        resize_fn(resize_ctx, term->cols, term->rows);
 }
 
@@ -1730,6 +1865,7 @@ static int find_last_nonempty_line(Terminal * term, tree234 * screen)
 static void swap_screen(Terminal *term, int which, int reset, int keep_cur_pos)
 {
     int t;
+    pos tp;
     tree234 *ttr;
 
     if (!which)
@@ -1777,6 +1913,35 @@ static void swap_screen(Terminal *term, int which, int reset, int keep_cur_pos)
        t = term->sco_acs;
        if (!reset) term->sco_acs = term->alt_sco_acs;
        term->alt_sco_acs = t;
+
+       tp = term->savecurs;
+       if (!reset && !keep_cur_pos)
+           term->savecurs = term->alt_savecurs;
+       term->alt_savecurs = tp;
+        t = term->save_cset;
+        if (!reset && !keep_cur_pos)
+            term->save_cset = term->alt_save_cset;
+        term->alt_save_cset = t;
+        t = term->save_csattr;
+        if (!reset && !keep_cur_pos)
+            term->save_csattr = term->alt_save_csattr;
+        term->alt_save_csattr = t;
+        t = term->save_attr;
+        if (!reset && !keep_cur_pos)
+            term->save_attr = term->alt_save_attr;
+        term->alt_save_attr = t;
+        t = term->save_utf;
+        if (!reset && !keep_cur_pos)
+            term->save_utf = term->alt_save_utf;
+        term->alt_save_utf = t;
+        t = term->save_wnext;
+        if (!reset && !keep_cur_pos)
+            term->save_wnext = term->alt_save_wnext;
+        term->alt_save_wnext = t;
+        t = term->save_sco_acs;
+        if (!reset && !keep_cur_pos)
+            term->save_sco_acs = term->alt_save_sco_acs;
+        term->alt_save_sco_acs = t;
     }
 
     if (reset && term->screen) {
@@ -1815,15 +1980,26 @@ static void check_selection(Terminal *term, pos from, pos to)
 static void scroll(Terminal *term, int topline, int botline, int lines, int sb)
 {
     termline *line;
-    int i, seltop, olddisptop, shift;
+    int i, seltop, scrollwinsize;
+#ifdef OPTIMISE_SCROLL
+    int olddisptop, shift;
+#endif /* OPTIMISE_SCROLL */
 
     if (topline != 0 || term->alt_which != 0)
        sb = FALSE;
 
+#ifdef OPTIMISE_SCROLL
     olddisptop = term->disptop;
     shift = lines;
+#endif /* OPTIMISE_SCROLL */
+
+    scrollwinsize = botline - topline + 1;
+
     if (lines < 0) {
-       while (lines < 0) {
+        lines = -lines;
+        if (lines > scrollwinsize)
+            lines = scrollwinsize;
+       while (lines-- > 0) {
            line = delpos234(term->screen, botline);
             resizeline(term, line, term->cols);
            for (i = 0; i < term->cols; i++)
@@ -1845,11 +2021,11 @@ static void scroll(Terminal *term, int topline, int botline, int lines, int sb)
                    term->selend.x = 0;
                }
            }
-
-           lines++;
        }
     } else {
-       while (lines > 0) {
+        if (lines > scrollwinsize)
+            lines = scrollwinsize;
+       while (lines-- > 0) {
            line = delpos234(term->screen, topline);
 #ifdef TERM_CC_DIAGS
            cc_check(line);
@@ -1935,8 +2111,6 @@ static void scroll(Terminal *term, int topline, int botline, int lines, int sb)
                    }
                }
            }
-
-           lines--;
        }
     }
 #ifdef OPTIMISE_SCROLL
@@ -2164,7 +2338,7 @@ static void erase_lots(Terminal *term,
     if (start.y == 0 && start.x == 0 && end.x == 0 && erase_lattr)
        erasing_lines_from_top = 1;
 
-    if (term->cfg.erase_to_scrollback && erasing_lines_from_top) {
+    if (term->erase_to_scrollback && erasing_lines_from_top) {
        /* If it's a whole number of lines, starting at the top, and
         * we're fully erasing them, erase by scrolling and keep the
         * lines in the scrollback. */
@@ -2255,13 +2429,13 @@ static void toggle_mode(Terminal *term, int mode, int query, int state)
                term->blink_is_real = FALSE;
                term->vt52_bold = FALSE;
            } else {
-               term->blink_is_real = term->cfg.blinktext;
+               term->blink_is_real = term->blinktext;
            }
            term_schedule_tblink(term);
            break;
          case 3:                      /* DECCOLM: 80/132 columns */
            deselect(term);
-           if (!term->cfg.no_remote_resize)
+           if (!term->no_remote_resize)
                request_resize(term->frontend, state ? 132 : 80, term->rows);
            term->reset_132 = state;
            term->alt_t = term->marg_t = 0;
@@ -2308,39 +2482,48 @@ static void toggle_mode(Terminal *term, int mode, int query, int state)
          case 47:                     /* alternate screen */
            compatibility(OTHER);
            deselect(term);
-           swap_screen(term, term->cfg.no_alt_screen ? 0 : state, FALSE, FALSE);
+           swap_screen(term, term->no_alt_screen ? 0 : state, FALSE, FALSE);
            term->disptop = 0;
            break;
-         case 1000:                   /* xterm mouse 1 */
+         case 1000:                   /* xterm mouse 1 (normal) */
            term->xterm_mouse = state ? 1 : 0;
            set_raw_mouse_mode(term->frontend, state);
            break;
-         case 1002:                   /* xterm mouse 2 */
+         case 1002:                   /* xterm mouse 2 (inc. button drags) */
            term->xterm_mouse = state ? 2 : 0;
            set_raw_mouse_mode(term->frontend, state);
            break;
+         case 1006:                   /* xterm extended mouse */
+           term->xterm_extended_mouse = state ? 1 : 0;
+           break;
+         case 1015:                   /* urxvt extended mouse */
+           term->urxvt_extended_mouse = state ? 1 : 0;
+           break;
          case 1047:                   /* alternate screen */
            compatibility(OTHER);
            deselect(term);
-           swap_screen(term, term->cfg.no_alt_screen ? 0 : state, TRUE, TRUE);
+           swap_screen(term, term->no_alt_screen ? 0 : state, TRUE, TRUE);
            term->disptop = 0;
            break;
          case 1048:                   /* save/restore cursor */
-           if (!term->cfg.no_alt_screen)
+           if (!term->no_alt_screen)
                 save_cursor(term, state);
            if (!state) seen_disp_event(term);
            break;
          case 1049:                   /* cursor & alternate screen */
-           if (state && !term->cfg.no_alt_screen)
+           if (state && !term->no_alt_screen)
                save_cursor(term, state);
            if (!state) seen_disp_event(term);
            compatibility(OTHER);
            deselect(term);
-           swap_screen(term, term->cfg.no_alt_screen ? 0 : state, TRUE, FALSE);
-           if (!state && !term->cfg.no_alt_screen)
+           swap_screen(term, term->no_alt_screen ? 0 : state, TRUE, FALSE);
+           if (!state && !term->no_alt_screen)
                save_cursor(term, state);
            term->disptop = 0;
            break;
+         case 2004:                   /* xterm bracketed paste */
+           term->bracketed_paste = state ? TRUE : FALSE;
+           break;
     } else
        switch (mode) {
          case 4:                      /* IRM: set insert mode */
@@ -2375,14 +2558,14 @@ static void do_osc(Terminal *term)
        switch (term->esc_args[0]) {
          case 0:
          case 1:
-           if (!term->cfg.no_remote_wintitle)
+           if (!term->no_remote_wintitle)
                set_icon(term->frontend, term->osc_string);
            if (term->esc_args[0] == 1)
                break;
            /* fall through: parameter 0 means set both */
          case 2:
          case 21:
-           if (!term->cfg.no_remote_wintitle)
+           if (!term->no_remote_wintitle)
                set_title(term->frontend, term->osc_string);
            break;
        }
@@ -2392,10 +2575,10 @@ static void do_osc(Terminal *term)
 /*
  * ANSI printing routines.
  */
-static void term_print_setup(Terminal *term)
+static void term_print_setup(Terminal *term, char *printer)
 {
     bufchain_clear(&term->printer_buf);
-    term->print_job = printer_start_job(term->cfg.printer);
+    term->print_job = printer_start_job(printer);
 }
 static void term_print_flush(Terminal *term)
 {
@@ -2470,7 +2653,7 @@ static void term_out(Terminal *term)
             * Optionally log the session traffic to a file. Useful for
             * debugging and possibly also useful for actual logging.
             */
-           if (term->cfg.logtype == LGTYP_DEBUG && term->logctx)
+           if (term->logtype == LGTYP_DEBUG && term->logctx)
                logtraffic(term->logctx, (unsigned char) c, LGTYP_DEBUG);
        } else {
            c = unget;
@@ -2662,7 +2845,7 @@ static void term_out(Terminal *term)
                term->curs.x--;
            term->wrapnext = FALSE;
            /* destructive backspace might be disabled */
-           if (!term->cfg.no_dbackspace) {
+           if (!term->no_dbackspace) {
                check_boundary(term, term->curs.x, term->curs.y);
                check_boundary(term, term->curs.x+1, term->curs.y);
                copy_termchar(scrlineptr(term->curs.y),
@@ -2682,19 +2865,8 @@ static void term_out(Terminal *term)
                 */
                compatibility(ANSIMIN);
                if (term->ldisc) {
-                   char abuf[lenof(term->cfg.answerback)], *s, *d;
-                   for (s = term->cfg.answerback, d = abuf; *s;) {
-                       char *n;
-                       char c = ctrlparse(s, &n);
-                       if (n) {
-                           *d++ = c;
-                           s = n;
-                       } else {
-                           *d++ = *s++;
-                       }
-                   }
                    lpage_send(term->ldisc, DEFAULT_CODEPAGE,
-                              abuf, d - abuf, 0);
+                              term->answerback, term->answerbacklen, 0);
                }
                break;
              case '\007':            /* BEL: Bell */
@@ -2721,7 +2893,7 @@ static void term_out(Terminal *term)
                     * t seconds ago.
                     */
                    while (term->beephead &&
-                          term->beephead->ticks < ticks - term->cfg.bellovl_t) {
+                          term->beephead->ticks < ticks - term->bellovl_t) {
                        struct beeptime *tmp = term->beephead;
                        term->beephead = tmp->next;
                        sfree(tmp);
@@ -2730,16 +2902,16 @@ static void term_out(Terminal *term)
                        term->nbeeps--;
                    }
 
-                   if (term->cfg.bellovl && term->beep_overloaded &&
-                       ticks - term->lastbeep >= (unsigned)term->cfg.bellovl_s) {
+                   if (term->bellovl && term->beep_overloaded &&
+                       ticks - term->lastbeep >= (unsigned)term->bellovl_s) {
                        /*
                         * If we're currently overloaded and the
                         * last beep was more than s seconds ago,
                         * leave overload mode.
                         */
                        term->beep_overloaded = FALSE;
-                   } else if (term->cfg.bellovl && !term->beep_overloaded &&
-                              term->nbeeps >= term->cfg.bellovl_n) {
+                   } else if (term->bellovl && !term->beep_overloaded &&
+                              term->nbeeps >= term->bellovl_n) {
                        /*
                         * Now, if we have n or more beeps
                         * remaining in the queue, go into overload
@@ -2752,10 +2924,10 @@ static void term_out(Terminal *term)
                    /*
                     * Perform an actual beep if we're not overloaded.
                     */
-                   if (!term->cfg.bellovl || !term->beep_overloaded) {
-                       do_beep(term->frontend, term->cfg.beep);
+                   if (!term->bellovl || !term->beep_overloaded) {
+                       do_beep(term->frontend, term->beep);
 
-                       if (term->cfg.beep == BELL_VISUAL) {
+                       if (term->beep == BELL_VISUAL) {
                            term_schedule_vbell(term, FALSE, 0);
                        }
                    }
@@ -2796,6 +2968,13 @@ static void term_out(Terminal *term)
                term->wrapnext = FALSE;
                seen_disp_event(term);
                term->paste_hold = 0;
+
+               if (term->crhaslf) {
+                   if (term->curs.y == term->marg_b)
+                       scroll(term, term->marg_t, term->marg_b, 1, TRUE);
+                   else if (term->curs.y < term->rows - 1)
+                       term->curs.y++;
+               }
                if (term->logctx)
                    logtraffic(term->logctx, (unsigned char) c, LGTYP_ASCII);
                break;
@@ -2815,7 +2994,7 @@ static void term_out(Terminal *term)
                    scroll(term, term->marg_t, term->marg_b, 1, TRUE);
                else if (term->curs.y < term->rows - 1)
                    term->curs.y++;
-               if (term->cfg.lfhascr)
+               if (term->lfhascr)
                    term->curs.x = 0;
                term->wrapnext = FALSE;
                seen_disp_event(term);
@@ -2857,9 +3036,9 @@ static void term_out(Terminal *term)
                    if (DIRECT_CHAR(c))
                        width = 1;
                    if (!width)
-                       width = (term->cfg.cjk_ambig_wide ?
-                                mk_wcwidth_cjk((wchar_t) c) :
-                                mk_wcwidth((wchar_t) c));
+                       width = (term->cjk_ambig_wide ?
+                                mk_wcwidth_cjk((unsigned int) c) :
+                                mk_wcwidth((unsigned int) c));
 
                    if (term->wrapnext && term->wrap && width > 0) {
                        cline->lattr |= LATTR_WRAPPED;
@@ -3076,11 +3255,11 @@ static void term_out(Terminal *term)
                    break;
                  case 'c':            /* RIS: restore power-on settings */
                    compatibility(VT100);
-                   power_on(term);
+                   power_on(term, TRUE);
                    if (term->ldisc)   /* cause ldisc to notice changes */
                        ldisc_send(term->ldisc, NULL, 0, 0);
                    if (term->reset_132) {
-                       if (!term->cfg.no_remote_resize)
+                       if (!term->no_remote_resize)
                            request_resize(term->frontend, 80, term->rows);
                        term->reset_132 = 0;
                    }
@@ -3145,55 +3324,55 @@ static void term_out(Terminal *term)
                  /* GZD4: G0 designate 94-set */
                  case ANSI('A', '('):
                    compatibility(VT100);
-                   if (!term->cfg.no_remote_charset)
+                   if (!term->no_remote_charset)
                        term->cset_attr[0] = CSET_GBCHR;
                    break;
                  case ANSI('B', '('):
                    compatibility(VT100);
-                   if (!term->cfg.no_remote_charset)
+                   if (!term->no_remote_charset)
                        term->cset_attr[0] = CSET_ASCII;
                    break;
                  case ANSI('0', '('):
                    compatibility(VT100);
-                   if (!term->cfg.no_remote_charset)
+                   if (!term->no_remote_charset)
                        term->cset_attr[0] = CSET_LINEDRW;
                    break;
                  case ANSI('U', '('): 
                    compatibility(OTHER);
-                   if (!term->cfg.no_remote_charset)
+                   if (!term->no_remote_charset)
                        term->cset_attr[0] = CSET_SCOACS; 
                    break;
                  /* G1D4: G1-designate 94-set */
                  case ANSI('A', ')'):
                    compatibility(VT100);
-                   if (!term->cfg.no_remote_charset)
+                   if (!term->no_remote_charset)
                        term->cset_attr[1] = CSET_GBCHR;
                    break;
                  case ANSI('B', ')'):
                    compatibility(VT100);
-                   if (!term->cfg.no_remote_charset)
+                   if (!term->no_remote_charset)
                        term->cset_attr[1] = CSET_ASCII;
                    break;
                  case ANSI('0', ')'):
                    compatibility(VT100);
-                   if (!term->cfg.no_remote_charset)
+                   if (!term->no_remote_charset)
                        term->cset_attr[1] = CSET_LINEDRW;
                    break;
                  case ANSI('U', ')'): 
                    compatibility(OTHER);
-                   if (!term->cfg.no_remote_charset)
+                   if (!term->no_remote_charset)
                        term->cset_attr[1] = CSET_SCOACS; 
                    break;
                  /* DOCS: Designate other coding system */
                  case ANSI('8', '%'):  /* Old Linux code */
                  case ANSI('G', '%'):
                    compatibility(OTHER);
-                   if (!term->cfg.no_remote_charset)
+                   if (!term->no_remote_charset)
                        term->utf = 1;
                    break;
                  case ANSI('@', '%'):
                    compatibility(OTHER);
-                   if (!term->cfg.no_remote_charset)
+                   if (!term->no_remote_charset)
                        term->utf = 0;
                    break;
                }
@@ -3209,8 +3388,8 @@ static void term_out(Terminal *term)
                    }
                    term->termstate = SEEN_CSI;
                } else if (c == ';') {
-                   if (++term->esc_nargs <= ARGS_MAX)
-                       term->esc_args[term->esc_nargs - 1] = ARG_DEFAULT;
+                   if (term->esc_nargs < ARGS_MAX)
+                       term->esc_args[term->esc_nargs++] = ARG_DEFAULT;
                    term->termstate = SEEN_CSI;
                } else if (c < '@') {
                    if (term->esc_query)
@@ -3294,10 +3473,17 @@ static void term_out(Terminal *term)
                        break;
                      case 'J':       /* ED: erase screen or parts of it */
                        {
-                           unsigned int i = def(term->esc_args[0], 0) + 1;
-                           if (i > 3)
-                               i = 0;
-                           erase_lots(term, FALSE, !!(i & 2), !!(i & 1));
+                           unsigned int i = def(term->esc_args[0], 0);
+                           if (i == 3) {
+                               /* Erase Saved Lines (xterm)
+                                * This follows Thomas Dickey's xterm. */
+                               term_clrsb(term);
+                           } else {
+                               i++;
+                               if (i > 3)
+                                   i = 0;
+                               erase_lots(term, FALSE, !!(i & 2), !!(i & 1));
+                           }
                        }
                        term->disptop = 0;
                        seen_disp_event(term);
@@ -3370,12 +3556,15 @@ static void term_out(Terminal *term)
                      case ANSI_QUE('i'):
                        compatibility(VT100);
                        {
+                           char *printer;
                            if (term->esc_nargs != 1) break;
-                           if (term->esc_args[0] == 5 && *term->cfg.printer) {
+                           if (term->esc_args[0] == 5 && 
+                               (printer = conf_get_str(term->conf,
+                                                       CONF_printer))[0]) {
                                term->printing = TRUE;
                                term->only_printing = !term->esc_query;
                                term->print_state = 0;
-                               term_print_setup(term);
+                               term_print_setup(term, printer);
                            } else if (term->esc_args[0] == 4 &&
                                       term->printing) {
                                term_print_finish(term);
@@ -3498,15 +3687,15 @@ static void term_out(Terminal *term)
                                    break;
                                  case 10:      /* SCO acs off */
                                    compatibility(SCOANSI);
-                                   if (term->cfg.no_remote_charset) break;
+                                   if (term->no_remote_charset) break;
                                    term->sco_acs = 0; break;
                                  case 11:      /* SCO acs on */
                                    compatibility(SCOANSI);
-                                   if (term->cfg.no_remote_charset) break;
+                                   if (term->no_remote_charset) break;
                                    term->sco_acs = 1; break;
                                  case 12:      /* SCO acs on, |0x80 */
                                    compatibility(SCOANSI);
-                                   if (term->cfg.no_remote_charset) break;
+                                   if (term->no_remote_charset) break;
                                    term->sco_acs = 2; break;
                                  case 22:      /* disable bold */
                                    compatibility2(OTHER, VT220);
@@ -3629,7 +3818,7 @@ static void term_out(Terminal *term)
                            && (term->esc_args[0] < 1 ||
                                term->esc_args[0] >= 24)) {
                            compatibility(VT340TEXT);
-                           if (!term->cfg.no_remote_resize)
+                           if (!term->no_remote_resize)
                                request_resize(term->frontend, term->cols,
                                               def(term->esc_args[0], 24));
                            deselect(term);
@@ -3649,7 +3838,7 @@ static void term_out(Terminal *term)
                                break;
                              case 3:
                                if (term->esc_nargs >= 3) {
-                                   if (!term->cfg.no_remote_resize)
+                                   if (!term->no_remote_resize)
                                        move_window(term->frontend,
                                                    def(term->esc_args[1], 0),
                                                    def(term->esc_args[2], 0));
@@ -3674,10 +3863,10 @@ static void term_out(Terminal *term)
                                break;
                              case 8:
                                if (term->esc_nargs >= 3) {
-                                   if (!term->cfg.no_remote_resize)
+                                   if (!term->no_remote_resize)
                                        request_resize(term->frontend,
-                                                      def(term->esc_args[2], term->cfg.width),
-                                                      def(term->esc_args[1], term->cfg.height));
+                                                      def(term->esc_args[2], term->conf_width),
+                                                      def(term->esc_args[1], term->conf_height));
                                }
                                break;
                              case 9:
@@ -3690,7 +3879,7 @@ static void term_out(Terminal *term)
                                if (term->ldisc)
                                    ldisc_send(term->ldisc,
                                               is_iconic(term->frontend) ?
-                                              "\033[1t" : "\033[2t", 4, 0);
+                                              "\033[2t" : "\033[1t", 4, 0);
                                break;
                              case 13:
                                if (term->ldisc) {
@@ -3702,7 +3891,7 @@ static void term_out(Terminal *term)
                              case 14:
                                if (term->ldisc) {
                                    get_window_pixels(term->frontend, &x, &y);
-                                   len = sprintf(buf, "\033[4;%d;%dt", x, y);
+                                   len = sprintf(buf, "\033[4;%d;%dt", y, x);
                                    ldisc_send(term->ldisc, buf, len, 0);
                                }
                                break;
@@ -3732,8 +3921,11 @@ static void term_out(Terminal *term)
                                break;
                              case 20:
                                if (term->ldisc &&
-                                   !term->cfg.no_remote_qtitle) {
-                                   p = get_window_title(term->frontend, TRUE);
+                                   term->remote_qtitle_action != TITLE_NONE) {
+                                   if(term->remote_qtitle_action == TITLE_REAL)
+                                       p = get_window_title(term->frontend, TRUE);
+                                   else
+                                       p = EMPTY_WINDOW_TITLE;
                                    len = strlen(p);
                                    ldisc_send(term->ldisc, "\033]L", 3, 0);
                                    ldisc_send(term->ldisc, p, len, 0);
@@ -3742,8 +3934,11 @@ static void term_out(Terminal *term)
                                break;
                              case 21:
                                if (term->ldisc &&
-                                   !term->cfg.no_remote_qtitle) {
-                                   p = get_window_title(term->frontend,FALSE);
+                                   term->remote_qtitle_action != TITLE_NONE) {
+                                   if(term->remote_qtitle_action == TITLE_REAL)
+                                       p = get_window_title(term->frontend, FALSE);
+                                   else
+                                       p = EMPTY_WINDOW_TITLE;
                                    len = strlen(p);
                                    ldisc_send(term->ldisc, "\033]l", 3, 0);
                                    ldisc_send(term->ldisc, p, len, 0);
@@ -3776,10 +3971,10 @@ static void term_out(Terminal *term)
                         */
                        compatibility(VT420);
                        if (term->esc_nargs == 1 && term->esc_args[0] > 0) {
-                           if (!term->cfg.no_remote_resize)
+                           if (!term->no_remote_resize)
                                request_resize(term->frontend, term->cols,
                                               def(term->esc_args[0],
-                                                  term->cfg.height));
+                                                  term->conf_height));
                            deselect(term);
                        }
                        break;
@@ -3791,10 +3986,11 @@ static void term_out(Terminal *term)
                         */
                        compatibility(VT340TEXT);
                        if (term->esc_nargs <= 1) {
-                           if (!term->cfg.no_remote_resize)
+                           if (!term->no_remote_resize)
                                request_resize(term->frontend,
                                               def(term->esc_args[0],
-                                                  term->cfg.width), term->rows);
+                                                  term->conf_width),
+                                              term->rows);
                            deselect(term);
                        }
                        break;
@@ -3996,7 +4192,7 @@ static void term_out(Terminal *term)
                         * Well we should do a soft reset at this point ...
                         */
                        if (!has_compat(VT420) && has_compat(VT100)) {
-                           if (!term->cfg.no_remote_resize) {
+                           if (!term->no_remote_resize) {
                                if (term->reset_132)
                                    request_resize(132, 24);
                                else
@@ -4080,7 +4276,7 @@ static void term_out(Terminal *term)
                break;
              case SEEN_OSC_P:
                {
-                   int max = (term->osc_strlen == 0 ? 21 : 16);
+                   int max = (term->osc_strlen == 0 ? 21 : 15);
                    int val;
                    if ((int)c >= '0' && (int)c <= '9')
                        val = c - '0';
@@ -4231,7 +4427,7 @@ static void term_out(Terminal *term)
                     *     emulation.
                     */
                    term->vt52_mode = FALSE;
-                   term->blink_is_real = term->cfg.blinktext;
+                   term->blink_is_real = term->blinktext;
                    term_schedule_tblink(term);
                    break;
 #if 0
@@ -4375,7 +4571,7 @@ static void term_out(Terminal *term)
     }
 
     term_print_flush(term);
-    if (term->cfg.logflush)
+    if (term->logflush)
        logflush(term->logctx);
 }
 
@@ -4478,7 +4674,7 @@ static termchar *term_bidi_line(Terminal *term, struct termline *ldata,
     int it;
 
     /* Do Arabic shaping and bidi. */
-    if(!term->cfg.bidi || !term->cfg.arabicshaping) {
+    if(!term->bidi || !term->arabicshaping) {
 
        if (!term_bidi_cache_hit(term, scr_y, ldata->chars, term->cols)) {
 
@@ -4496,7 +4692,7 @@ static termchar *term_bidi_line(Terminal *term, struct termline *ldata,
 
                switch (uc & CSET_MASK) {
                  case CSET_LINEDRW:
-                   if (!term->cfg.rawcnp) {
+                   if (!term->rawcnp) {
                        uc = term->ucsdata->unitab_xterm[uc & 0xFF];
                        break;
                    }
@@ -4517,19 +4713,19 @@ static termchar *term_bidi_line(Terminal *term, struct termline *ldata,
                }
 
                term->wcFrom[it].origwc = term->wcFrom[it].wc =
-                   (wchar_t)uc;
+                   (unsigned int)uc;
                term->wcFrom[it].index = it;
            }
 
-           if(!term->cfg.bidi)
+           if(!term->bidi)
                do_bidi(term->wcFrom, term->cols);
 
            /* this is saved iff done from inside the shaping */
-           if(!term->cfg.bidi && term->cfg.arabicshaping)
+           if(!term->bidi && term->arabicshaping)
                for(it=0; it<term->cols; it++)
                    term->wcTo[it] = term->wcFrom[it];
 
-           if(!term->cfg.arabicshaping)
+           if(!term->arabicshaping)
                do_shape(term->wcFrom, term->wcTo, term->cols);
 
            if (term->ltemp_size < ldata->size) {
@@ -4591,14 +4787,14 @@ static void do_paint(Terminal *term, Context ctx, int may_optimise)
     /* Depends on:
      * screen array, disptop, scrtop,
      * selection, rv, 
-     * cfg.blinkpc, blink_is_real, tblinker, 
-     * curs.y, curs.x, cblinker, cfg.blink_cur, cursor_on, has_focus, wrapnext
+     * blinkpc, blink_is_real, tblinker, 
+     * curs.y, curs.x, cblinker, blink_cur, cursor_on, has_focus, wrapnext
      */
 
     /* Has the cursor position or type changed ? */
     if (term->cursor_on) {
        if (term->has_focus) {
-           if (term->cblinker || !term->cfg.blink_cur)
+           if (term->cblinker || !term->blink_cur)
                cursor = TATTR_ACTCURS;
            else
                cursor = 0;
@@ -4676,7 +4872,6 @@ static void do_paint(Terminal *term, Context ctx, int may_optimise)
        termchar *lchars;
        int dirty_line, dirty_run, selected;
        unsigned long attr = 0, cset = 0;
-       int updated_line = 0;
        int start = 0;
        int ccount = 0;
        int last_run_dirty = 0;
@@ -4707,11 +4902,11 @@ static void do_paint(Terminal *term, Context ctx, int may_optimise)
            tchar = d->chr;
            tattr = d->attr;
 
-            if (!term->cfg.ansi_colour)
+            if (!term->ansi_colour)
                 tattr = (tattr & ~(ATTR_FGMASK | ATTR_BGMASK)) | 
                 ATTR_DEFFG | ATTR_DEFBG;
 
-           if (!term->cfg.xterm_256_colour) {
+           if (!term->xterm_256_colour) {
                int colour;
                colour = (tattr & ATTR_FGMASK) >> ATTR_FGSHIFT;
                if (colour >= 16 && colour < 256)
@@ -4809,10 +5004,12 @@ static void do_paint(Terminal *term, Context ctx, int may_optimise)
                != newline[j].attr) {
                int k;
 
-               for (k = laststart; k < j; k++)
-                   term->disptext[i]->chars[k].attr |= ATTR_INVALID;
+               if (!dirtyrect) {
+                   for (k = laststart; k < j; k++)
+                       term->disptext[i]->chars[k].attr |= ATTR_INVALID;
 
-               dirtyrect = TRUE;
+                   dirtyrect = TRUE;
+               }
            }
 
            if (dirtyrect)
@@ -4839,9 +5036,13 @@ static void do_paint(Terminal *term, Context ctx, int may_optimise)
 
            break_run = ((tattr ^ attr) & term->attr_mask) != 0;
 
+#ifdef USES_VTLINE_HACK
            /* Special hack for VT100 Linedraw glyphs */
-           if (tchar >= 0x23BA && tchar <= 0x23BD)
+           if ((tchar >= 0x23BA && tchar <= 0x23BD) ||
+                (j > 0 && (newline[j-1].chr >= 0x23BA &&
+                           newline[j-1].chr <= 0x23BD)))
                break_run = TRUE;
+#endif
 
            /*
             * Separate out sequences of characters that have the
@@ -4872,8 +5073,6 @@ static void do_paint(Terminal *term, Context ctx, int may_optimise)
                    if (attr & (TATTR_ACTCURS | TATTR_PASCURS))
                        do_cursor(ctx, start, i, ch, ccount, attr,
                                  ldata->lattr);
-
-                   updated_line = 1;
                }
                start = j;
                ccount = 0;
@@ -4891,10 +5090,17 @@ static void do_paint(Terminal *term, Context ctx, int may_optimise)
                dirty_run = TRUE;
            }
 
-           if (ccount >= chlen) {
+           if (ccount+2 > chlen) {
                chlen = ccount + 256;
                ch = sresize(ch, chlen, wchar_t);
            }
+
+#ifdef PLATFORM_IS_UTF16
+           if (tchar > 0x10000 && tchar < 0x110000) {
+               ch[ccount++] = (wchar_t) HIGH_SURROGATE_OF(tchar);
+               ch[ccount++] = (wchar_t) LOW_SURROGATE_OF(tchar);
+           } else
+#endif /* PLATFORM_IS_UTF16 */
            ch[ccount++] = (wchar_t) tchar;
 
            if (d->cc_next) {
@@ -4918,10 +5124,17 @@ static void do_paint(Terminal *term, Context ctx, int may_optimise)
                        break;
                    }
 
-                   if (ccount >= chlen) {
+                   if (ccount+2 > chlen) {
                        chlen = ccount + 256;
                        ch = sresize(ch, chlen, wchar_t);
                    }
+
+#ifdef PLATFORM_IS_UTF16
+                   if (schar > 0x10000 && schar < 0x110000) {
+                       ch[ccount++] = (wchar_t) HIGH_SURROGATE_OF(schar);
+                       ch[ccount++] = (wchar_t) LOW_SURROGATE_OF(schar);
+                   } else
+#endif /* PLATFORM_IS_UTF16 */
                    ch[ccount++] = (wchar_t) schar;
                }
 
@@ -4958,8 +5171,6 @@ static void do_paint(Terminal *term, Context ctx, int may_optimise)
            if (attr & (TATTR_ACTCURS | TATTR_PASCURS))
                do_cursor(ctx, start, i, ch, ccount, attr,
                          ldata->lattr);
-
-           updated_line = 1;
        }
 
        unlineptr(ldata);
@@ -5040,22 +5251,68 @@ void term_scroll(Terminal *term, int rel, int where)
     term_update(term);
 }
 
+/*
+ * Scroll the scrollback to centre it on the beginning or end of the
+ * current selection, if any.
+ */
+void term_scroll_to_selection(Terminal *term, int which_end)
+{
+    pos target;
+    int y;
+    int sbtop = -sblines(term);
+
+    if (term->selstate != SELECTED)
+       return;
+    if (which_end)
+       target = term->selend;
+    else
+       target = term->selstart;
+
+    y = target.y - term->rows/2;
+    if (y < sbtop)
+       y = sbtop;
+    else if (y > 0)
+       y = 0;
+    term_scroll(term, -1, y);
+}
+
+/*
+ * Helper routine for clipme(): growing buffer.
+ */
+typedef struct {
+    int buflen;                    /* amount of allocated space in textbuf/attrbuf */
+    int bufpos;                    /* amount of actual data */
+    wchar_t *textbuf;      /* buffer for copied text */
+    wchar_t *textptr;      /* = textbuf + bufpos (current insertion point) */
+    int *attrbuf;          /* buffer for copied attributes */
+    int *attrptr;          /* = attrbuf + bufpos */
+} clip_workbuf;
+
+static void clip_addchar(clip_workbuf *b, wchar_t chr, int attr)
+{
+    if (b->bufpos >= b->buflen) {
+       b->buflen += 128;
+       b->textbuf = sresize(b->textbuf, b->buflen, wchar_t);
+       b->textptr = b->textbuf + b->bufpos;
+       b->attrbuf = sresize(b->attrbuf, b->buflen, int);
+       b->attrptr = b->attrbuf + b->bufpos;
+    }
+    *b->textptr++ = chr;
+    *b->attrptr++ = attr;
+    b->bufpos++;
+}
+
 static void clipme(Terminal *term, pos top, pos bottom, int rect, int desel)
 {
-    wchar_t *workbuf;
-    wchar_t *wbptr;                   /* where next char goes within workbuf */
+    clip_workbuf buf;
     int old_top_x;
-    int wblen = 0;                    /* workbuf len */
-    int buflen;                               /* amount of memory allocated to workbuf */
-    int *attrbuf;                      /* Attribute buffer */
-    int *attrptr;
     int attr;
 
-    buflen = 5120;                    /* Default size */
-    workbuf = snewn(buflen, wchar_t);
-    attrbuf = buflen ? snewn(buflen, int) : 0;
-    wbptr = workbuf;                  /* start filling here */
-    attrptr = attrbuf;
+    buf.buflen = 5120;                 
+    buf.bufpos = 0;
+    buf.textptr = buf.textbuf = snewn(buf.buflen, wchar_t);
+    buf.attrptr = buf.attrbuf = snewn(buf.buflen, int);
+
     old_top_x = top.x;                /* needed for rect==1 */
 
     while (poslt(top, bottom)) {
@@ -5078,7 +5335,8 @@ static void clipme(Terminal *term, pos top, pos bottom, int rect, int desel)
         * newline at the end)...
         */
        if (!(ldata->lattr & LATTR_WRAPPED)) {
-           while (IS_SPACE_CHR(ldata->chars[nlpos.x - 1].chr) &&
+           while (nlpos.x &&
+                  IS_SPACE_CHR(ldata->chars[nlpos.x - 1].chr) &&
                   !ldata->chars[nlpos.x - 1].cc_next &&
                   poslt(top, nlpos))
                decpos(nlpos);
@@ -5108,7 +5366,7 @@ static void clipme(Terminal *term, pos top, pos bottom, int rect, int desel)
            sprintf(cbuf, "<U+%04x>", (ldata[top.x] & 0xFFFF));
 #else
            wchar_t cbuf[16], *p;
-           int set, c;
+           int c;
            int x = top.x;
 
            if (ldata->chars[x].chr == UCSWIDE) {
@@ -5122,7 +5380,7 @@ static void clipme(Terminal *term, pos top, pos bottom, int rect, int desel)
 
                switch (uc & CSET_MASK) {
                  case CSET_LINEDRW:
-                   if (!term->cfg.rawcnp) {
+                   if (!term->rawcnp) {
                        uc = term->ucsdata->unitab_xterm[uc & 0xFF];
                        break;
                    }
@@ -5142,10 +5400,18 @@ static void clipme(Terminal *term, pos top, pos bottom, int rect, int desel)
                    break;
                }
 
-               set = (uc & CSET_MASK);
                c = (uc & ~CSET_MASK);
-               cbuf[0] = uc;
-               cbuf[1] = 0;
+#ifdef PLATFORM_IS_UTF16
+               if (uc > 0x10000 && uc < 0x110000) {
+                   cbuf[0] = 0xD800 | ((uc - 0x10000) >> 10);
+                   cbuf[1] = 0xDC00 | ((uc - 0x10000) & 0x3FF);
+                   cbuf[2] = 0;
+               } else
+#endif
+               {
+                   cbuf[0] = uc;
+                   cbuf[1] = 0;
+               }
 
                if (DIRECT_FONT(uc)) {
                    if (c >= ' ' && c != 0x7F) {
@@ -5170,19 +5436,8 @@ static void clipme(Terminal *term, pos top, pos bottom, int rect, int desel)
                }
 #endif
 
-               for (p = cbuf; *p; p++) {
-                   /* Enough overhead for trailing NL and nul */
-                   if (wblen >= buflen - 16) {
-                       buflen += 100;
-                       workbuf = sresize(workbuf, buflen, wchar_t);
-                       wbptr = workbuf + wblen;
-                       attrbuf = sresize(attrbuf, buflen, int);
-                       attrptr = attrbuf + wblen;
-                   }
-                   wblen++;
-                   *wbptr++ = *p;
-                    *attrptr++ = attr;
-               }
+               for (p = cbuf; *p; p++)
+                   clip_addchar(&buf, *p, attr);
 
                if (ldata->chars[x].cc_next)
                    x += ldata->chars[x].cc_next;
@@ -5193,11 +5448,8 @@ static void clipme(Terminal *term, pos top, pos bottom, int rect, int desel)
        }
        if (nl) {
            int i;
-           for (i = 0; i < sel_nl_sz; i++) {
-               wblen++;
-               *wbptr++ = sel_nl[i];
-                *attrptr++ = 0;
-           }
+           for (i = 0; i < sel_nl_sz; i++)
+               clip_addchar(&buf, sel_nl[i], 0);
        }
        top.y++;
        top.x = rect ? old_top_x : 0;
@@ -5205,12 +5457,12 @@ static void clipme(Terminal *term, pos top, pos bottom, int rect, int desel)
        unlineptr(ldata);
     }
 #if SELECTION_NUL_TERMINATED
-    wblen++;
-    *wbptr++ = 0;
+    clip_addchar(&buf, 0, 0);
 #endif
-    write_clip(term->frontend, workbuf, attrbuf, wblen, desel); /* transfer to clipbd */
-    if (buflen > 0)                   /* indicates we allocated this buffer */
-       sfree(workbuf);
+    /* Finally, transfer all that to the clipboard. */
+    write_clip(term->frontend, buf.textbuf, buf.attrbuf, buf.bufpos, desel);
+    sfree(buf.textbuf);
+    sfree(buf.attrbuf);
 }
 
 void term_copyall(Terminal *term)
@@ -5382,7 +5634,8 @@ static pos sel_spread_half(Terminal *term, pos p, int dir)
                    else
                        break;
                } else {
-                   if (ldata->lattr & LATTR_WRAPPED) {
+                   if (p.y+1 < term->rows && 
+                        (ldata->lattr & LATTR_WRAPPED)) {
                        termline *ldata2;
                        ldata2 = lineptr(p.y+1);
                        if (wordtype(term, UCSGET(ldata2->chars, 0))
@@ -5467,7 +5720,12 @@ void term_do_paste(Terminal *term)
         if (term->paste_buffer)
             sfree(term->paste_buffer);
         term->paste_pos = term->paste_hold = term->paste_len = 0;
-        term->paste_buffer = snewn(len, wchar_t);
+        term->paste_buffer = snewn(len + 12, wchar_t);
+
+        if (term->bracketed_paste) {
+            memcpy(term->paste_buffer, L"\033[200~", 6 * sizeof(wchar_t));
+            term->paste_len += 6;
+        }
 
         p = q = data;
         while (p < data + len) {
@@ -5491,6 +5749,12 @@ void term_do_paste(Terminal *term)
             q = p;
         }
 
+        if (term->bracketed_paste) {
+            memcpy(term->paste_buffer + term->paste_len,
+                   L"\033[201~", 6 * sizeof(wchar_t));
+            term->paste_len += 6;
+        }
+
         /* Assume a small paste will be OK in one go. */
         if (term->paste_len < 256) {
             if (term->ldisc)
@@ -5510,8 +5774,8 @@ void term_mouse(Terminal *term, Mouse_Button braw, Mouse_Button bcooked,
     pos selpoint;
     termline *ldata;
     int raw_mouse = (term->xterm_mouse &&
-                    !term->cfg.no_mouse_rep &&
-                    !(term->cfg.mouse_override && shift));
+                    !term->no_mouse_rep &&
+                    !(term->mouse_override && shift));
     int default_seltype;
 
     if (y < 0) {
@@ -5551,27 +5815,37 @@ void term_mouse(Terminal *term, Mouse_Button braw, Mouse_Button bcooked,
     selpoint.x = x;
     unlineptr(ldata);
 
-    if (raw_mouse) {
+    /*
+     * If we're in the middle of a selection operation, we ignore raw
+     * mouse mode until it's done (we must have been not in raw mouse
+     * mode when it started).
+     * This makes use of Shift for selection reliable, and avoids the
+     * host seeing mouse releases for which they never saw corresponding
+     * presses.
+     */
+    if (raw_mouse &&
+       (term->selstate != ABOUT_TO) && (term->selstate != DRAGGING)) {
        int encstate = 0, r, c;
-       char abuf[16];
+       char abuf[32];
+       int len = 0;
 
        if (term->ldisc) {
 
            switch (braw) {
              case MBT_LEFT:
-               encstate = 0x20;               /* left button down */
+               encstate = 0x00;               /* left button down */
                break;
              case MBT_MIDDLE:
-               encstate = 0x21;
+               encstate = 0x01;
                break;
              case MBT_RIGHT:
-               encstate = 0x22;
+               encstate = 0x02;
                break;
              case MBT_WHEEL_UP:
-               encstate = 0x60;
+               encstate = 0x40;
                break;
              case MBT_WHEEL_DOWN:
-               encstate = 0x61;
+               encstate = 0x41;
                break;
              default: break;          /* placate gcc warning about enum use */
            }
@@ -5582,7 +5856,9 @@ void term_mouse(Terminal *term, Mouse_Button braw, Mouse_Button bcooked,
                encstate += 0x20;
                break;
              case MA_RELEASE:
-               encstate = 0x23;
+               /* If multiple extensions are enabled, the xterm 1006 is used, so it's okay to check for only that */
+               if (!term->xterm_extended_mouse)
+                   encstate = 0x03;
                term->mouse_is_down = 0;
                break;
              case MA_CLICK:
@@ -5596,11 +5872,18 @@ void term_mouse(Terminal *term, Mouse_Button braw, Mouse_Button bcooked,
                encstate += 0x04;
            if (ctrl)
                encstate += 0x10;
-           r = y + 33;
-           c = x + 33;
-
-           sprintf(abuf, "\033[M%c%c%c", encstate, c, r);
-           ldisc_send(term->ldisc, abuf, 6, 0);
+           r = y + 1;
+           c = x + 1;
+
+           /* Check the extensions in decreasing order of preference. Encoding the release event above assumes that 1006 comes first. */
+           if (term->xterm_extended_mouse) {
+               len = sprintf(abuf, "\033[<%d;%d;%d%c", encstate, c, r, a == MA_RELEASE ? 'm' : 'M');
+           } else if (term->urxvt_extended_mouse) {
+               len = sprintf(abuf, "\033[%d;%d;%dM", encstate + 32, c, r);
+           } else if (c <= 223 && r <= 223) {
+               len = sprintf(abuf, "\033[M%c%c%c", encstate + 32, c + 32, r + 32);
+           }
+           ldisc_send(term->ldisc, abuf, len, 0);
        }
        return;
     }
@@ -5609,7 +5892,7 @@ void term_mouse(Terminal *term, Mouse_Button braw, Mouse_Button bcooked,
      * Set the selection type (rectangular or normal) at the start
      * of a selection attempt, from the state of Alt.
      */
-    if (!alt ^ !term->cfg.rect_select)
+    if (!alt ^ !term->rect_select)
        default_seltype = RECTANGULAR;
     else
        default_seltype = LEXICOGRAPHIC;
@@ -5719,447 +6002,50 @@ void term_mouse(Terminal *term, Mouse_Button braw, Mouse_Button bcooked,
        request_paste(term->frontend);
     }
 
+    /*
+     * Since terminal output is suppressed during drag-selects, we
+     * should make sure to write any pending output if one has just
+     * finished.
+     */
+    if (term->selstate != DRAGGING)
+        term_out(term);
     term_update(term);
 }
 
-void term_key(Terminal *term, Key_Sym keysym, wchar_t *text, size_t tlen,
-             unsigned int modifiers, unsigned int flags)
+int format_arrow_key(char *buf, Terminal *term, int xkey, int ctrl)
 {
-    char output[10];
-    char *p = output;
-    int prependesc = FALSE;
-#if 0
-    int i;
-
-    fprintf(stderr, "keysym = %d, %d chars:", keysym, tlen);
-    for (i = 0; i < tlen; i++)
-       fprintf(stderr, " %04x", (unsigned)text[i]);
-    fprintf(stderr, "\n");
-#endif
-
-    /* XXX Num Lock */
-    if ((flags & PKF_REPEAT) && term->repeat_off)
-       return;
-
-    /* Currently, Meta always just prefixes everything with ESC. */
-    if (modifiers & PKM_META)
-       prependesc = TRUE;
-    modifiers &= ~PKM_META;
-
-    /*
-     * Alt is only used for Alt+keypad, which isn't supported yet, so
-     * ignore it.
-     */
-    modifiers &= ~PKM_ALT;
-
-    /* Standard local function keys */
-    switch (modifiers & (PKM_SHIFT | PKM_CONTROL)) {
-      case PKM_SHIFT:
-       if (keysym == PK_PAGEUP)
-           /* scroll up one page */;
-       if (keysym == PK_PAGEDOWN)
-           /* scroll down on page */;
-       if (keysym == PK_INSERT)
-           term_do_paste(term);
-       break;
-      case PKM_CONTROL:
-       if (keysym == PK_PAGEUP)
-           /* scroll up one line */;
-       if (keysym == PK_PAGEDOWN)
-           /* scroll down one line */;
-       /* Control-Numlock for app-keypad mode switch */
-       if (keysym == PK_PF1)
-           term->app_keypad_keys ^= 1;
-       break;
-    }
-
-    if (modifiers & PKM_ALT) {
-       /* Alt+F4 (close) */
-       /* Alt+Return (full screen) */
-       /* Alt+Space (system menu) */
-    }
-
-    if (keysym == PK_NULL && (modifiers & PKM_CONTROL) && tlen == 1 &&
-       text[0] >= 0x20 && text[0] <= 0x7e) {
-       /* ASCII chars + Control */
-       if ((text[0] >= 0x40 && text[0] <= 0x5f) ||
-           (text[0] >= 0x61 && text[0] <= 0x7a))
-           text[0] &= 0x1f;
-       else {
-           /*
-            * Control-2 should return ^@ (0x00), Control-6 should return
-            * ^^ (0x1E), and Control-Minus should return ^_ (0x1F). Since
-            * the DOS keyboard handling did it, and we have nothing better
-            * to do with the key combo in question, we'll also map
-            * Control-Backquote to ^\ (0x1C).
-            */
-           switch (text[0]) {
-             case ' ': text[0] = 0x00; break;
-             case '-': text[0] = 0x1f; break;
-             case '/': text[0] = 0x1f; break;
-             case '2': text[0] = 0x00; break;
-             case '3': text[0] = 0x1b; break;
-             case '4': text[0] = 0x1c; break;
-             case '5': text[0] = 0x1d; break;
-             case '6': text[0] = 0x1e; break;
-             case '7': text[0] = 0x1f; break;
-             case '8': text[0] = 0x7f; break;
-             case '`': text[0] = 0x1c; break;
-           }
-       }
-    }
-
-    /* Nethack keypad */
-    if (term->cfg.nethack_keypad) {
-       char c = 0;
-       switch (keysym) {
-         case PK_KP1: c = 'b'; break;
-         case PK_KP2: c = 'j'; break;
-         case PK_KP3: c = 'n'; break;
-         case PK_KP4: c = 'h'; break;
-         case PK_KP5: c = '.'; break;
-         case PK_KP6: c = 'l'; break;
-         case PK_KP7: c = 'y'; break;
-         case PK_KP8: c = 'k'; break;
-         case PK_KP9: c = 'u'; break;
-         default: break; /* else gcc warns `enum value not used' */
-       }
-       if (c != 0) {
-           if (c != '.') {
-               if (modifiers & PKM_CONTROL)
-                   c &= 0x1f;
-               else if (modifiers & PKM_SHIFT)
-                   c = toupper(c);
-           }
-           *p++ = c;
-           goto done;
-       }
-    }
-
-    /* Numeric Keypad */
-    if (PK_ISKEYPAD(keysym)) {
-       int xkey = 0;
+    char *p = buf;
 
+    if (term->vt52_mode)
+       p += sprintf((char *) p, "\x1B%c", xkey);
+    else {
+       int app_flg = (term->app_cursor_keys && !term->no_applic_c);
+#if 0
        /*
-        * In VT400 mode, PFn always emits an escape sequence.  In
-        * Linux and tilde modes, this only happens in app keypad mode.
+        * RDB: VT100 & VT102 manuals both state the app cursor
+        * keys only work if the app keypad is on.
+        *
+        * SGT: That may well be true, but xterm disagrees and so
+        * does at least one application, so I've #if'ed this out
+        * and the behaviour is back to PuTTY's original: app
+        * cursor and app keypad are independently switchable
+        * modes. If anyone complains about _this_ I'll have to
+        * put in a configurable option.
         */
-       if (term->cfg.funky_type == FUNKY_VT400 ||
-           ((term->cfg.funky_type == FUNKY_LINUX ||
-             term->cfg.funky_type == FUNKY_TILDE) &&
-            term->app_keypad_keys && !term->cfg.no_applic_k)) {
-           switch (keysym) {
-             case PK_PF1: xkey = 'P'; break;
-             case PK_PF2: xkey = 'Q'; break;
-             case PK_PF3: xkey = 'R'; break;
-             case PK_PF4: xkey = 'S'; break;
-             default: break; /* else gcc warns `enum value not used' */
-           }
-       }
-       if (term->app_keypad_keys && !term->cfg.no_applic_k) {
-           switch (keysym) {
-             case PK_KP0: xkey = 'p'; break;
-             case PK_KP1: xkey = 'q'; break;
-             case PK_KP2: xkey = 'r'; break;
-             case PK_KP3: xkey = 's'; break;
-             case PK_KP4: xkey = 't'; break;
-             case PK_KP5: xkey = 'u'; break;
-             case PK_KP6: xkey = 'v'; break;
-             case PK_KP7: xkey = 'w'; break;
-             case PK_KP8: xkey = 'x'; break;
-             case PK_KP9: xkey = 'y'; break;
-             case PK_KPDECIMAL: xkey = 'n'; break;
-             case PK_KPENTER: xkey = 'M'; break;
-             default: break; /* else gcc warns `enum value not used' */
-           }
-           if (term->cfg.funky_type == FUNKY_XTERM && tlen > 0) {
-               /*
-                * xterm can't see the layout of the keypad, so it has
-                * to rely on the X keysyms returned by the keys.
-                * Hence, we look at the strings here, not the PuTTY
-                * keysyms (which describe the layout).
-                */
-               switch (text[0]) {
-                 case '+':
-                   if (modifiers & PKM_SHIFT)
-                       xkey = 'l';
-                   else
-                       xkey = 'k';
-                   break;
-                 case '/': xkey = 'o'; break;
-                 case '*': xkey = 'j'; break;
-                 case '-': xkey = 'm'; break;
-               }
-           } else {
-               /*
-                * In all other modes, we try to retain the layout of
-                * the DEC keypad in application mode.
-                */
-               switch (keysym) {
-                 case PK_KPBIGPLUS:
-                   /* This key covers the '-' and ',' keys on a VT220 */
-                   if (modifiers & PKM_SHIFT)
-                       xkey = 'm'; /* VT220 '-' */
-                   else
-                       xkey = 'l'; /* VT220 ',' */
-                   break;
-                 case PK_KPMINUS: xkey = 'm'; break;
-                 case PK_KPCOMMA: xkey = 'l'; break;
-                 default: break; /* else gcc warns `enum value not used' */
-               }
-           }
-       }
-       if (xkey) {
-           if (term->vt52_mode) {
-               if (xkey >= 'P' && xkey <= 'S')
-                   p += sprintf((char *) p, "\x1B%c", xkey);
-               else
-                   p += sprintf((char *) p, "\x1B?%c", xkey);
-           } else
-               p += sprintf((char *) p, "\x1BO%c", xkey);
-           goto done;
-       }
-       /* Not in application mode -- treat the number pad as arrow keys? */
-       if ((flags & PKF_NUMLOCK) == 0) {
-           switch (keysym) {
-             case PK_KP0: keysym = PK_INSERT; break;
-             case PK_KP1: keysym = PK_END; break;
-             case PK_KP2: keysym = PK_DOWN; break;
-             case PK_KP3: keysym = PK_PAGEDOWN; break;
-             case PK_KP4: keysym = PK_LEFT; break;
-             case PK_KP5: keysym = PK_REST; break;
-             case PK_KP6: keysym = PK_RIGHT; break;
-             case PK_KP7: keysym = PK_HOME; break;
-             case PK_KP8: keysym = PK_UP; break;
-             case PK_KP9: keysym = PK_PAGEUP; break;
-             default: break; /* else gcc warns `enum value not used' */
-           }
-       }
-    }
-
-    /* Miscellaneous keys */
-    switch (keysym) {
-      case PK_ESCAPE:
-       *p++ = 0x1b;
-       goto done;
-      case PK_BACKSPACE:
-           if (modifiers == 0)
-               *p++ = (term->cfg.bksp_is_delete ? 0x7F : 0x08);
-           else if (modifiers == PKM_SHIFT)
-               /* We do the opposite of what is configured */
-               *p++ = (term->cfg.bksp_is_delete ? 0x08 : 0x7F);
-           else break;
-           goto done;
-      case PK_TAB:
-       if (modifiers == 0)
-           *p++ = 0x09;
-       else if (modifiers == PKM_SHIFT)
-           *p++ = 0x1B, *p++ = '[', *p++ = 'Z';
-       else break;
-       goto done;
-       /* XXX window.c has ctrl+shift+space sending 0xa0 */
-      case PK_PAUSE:
-       if (modifiers == PKM_CONTROL)
-           *p++ = 26;
-       else break;
-       goto done;
-      case PK_RETURN:
-      case PK_KPENTER: /* Odd keypad modes handled above */
-       if (modifiers == 0) {
-           *p++ = 0x0d;
-           if (term->cr_lf_return)
-               *p++ = 0x0a;
-           goto done;
-       }
-      default: break; /* else gcc warns `enum value not used' */
-    }
+       if (!term->app_keypad_keys)
+           app_flg = 0;
+#endif
+       /* Useful mapping of Ctrl-arrows */
+       if (ctrl)
+           app_flg = !app_flg;
 
-    /* SCO function keys and editing keys */
-    if (term->cfg.funky_type == FUNKY_SCO) {
-       if (PK_ISFKEY(keysym) && keysym <= PK_F12) {
-           static char const codes[] =
-               "MNOPQRSTUVWX" "YZabcdefghij" "klmnopqrstuv" "wxyz@[\\]^_`{";
-           int index = keysym - PK_F1;
-
-           if (modifiers & PKM_SHIFT) index += 12;
-           if (modifiers & PKM_CONTROL) index += 24;
-           p += sprintf((char *) p, "\x1B[%c", codes[index]);
-           goto done;
-       }
-       if (PK_ISEDITING(keysym)) {
-           int xkey = 0;
-
-           switch (keysym) {
-             case PK_DELETE:   *p++ = 0x7f; goto done;
-             case PK_HOME:     xkey = 'H'; break;
-             case PK_INSERT:   xkey = 'L'; break;
-             case PK_END:      xkey = 'F'; break;
-             case PK_PAGEUP:   xkey = 'I'; break;
-             case PK_PAGEDOWN: xkey = 'G'; break;
-             default: break; /* else gcc warns `enum value not used' */
-           }
+       if (app_flg)
+           p += sprintf((char *) p, "\x1BO%c", xkey);
+       else
            p += sprintf((char *) p, "\x1B[%c", xkey);
-       }
-    }
-
-    if (PK_ISEDITING(keysym) && (modifiers & PKM_SHIFT) == 0) {
-       int code;
-
-       if (term->cfg.funky_type == FUNKY_XTERM) {
-           /* Xterm shuffles these keys, apparently. */
-           switch (keysym) {
-             case PK_HOME:     keysym = PK_INSERT;   break;
-             case PK_INSERT:   keysym = PK_HOME;     break;
-             case PK_DELETE:   keysym = PK_END;      break;
-             case PK_END:      keysym = PK_PAGEUP;   break;
-             case PK_PAGEUP:   keysym = PK_DELETE;   break;
-             case PK_PAGEDOWN: keysym = PK_PAGEDOWN; break;
-             default: break; /* else gcc warns `enum value not used' */
-           }
-       }
-
-       /* RXVT Home/End */
-       if (term->cfg.rxvt_homeend &&
-           (keysym == PK_HOME || keysym == PK_END)) {
-           p += sprintf((char *) p, keysym == PK_HOME ? "\x1B[H" : "\x1BOw");
-           goto done;
-       }
-
-       if (term->vt52_mode) {
-           int xkey;
-
-           /*
-            * A real VT52 doesn't have these, and a VT220 doesn't
-            * send anything for them in VT52 mode.
-            */
-           switch (keysym) {
-             case PK_HOME:     xkey = 'H'; break;
-             case PK_INSERT:   xkey = 'L'; break;
-             case PK_DELETE:   xkey = 'M'; break;
-             case PK_END:      xkey = 'E'; break;
-             case PK_PAGEUP:   xkey = 'I'; break;
-             case PK_PAGEDOWN: xkey = 'G'; break;
-             default: xkey=0; break; /* else gcc warns `enum value not used'*/
-           }
-           p += sprintf((char *) p, "\x1B%c", xkey);
-           goto done;
-       }
-
-       switch (keysym) {
-         case PK_HOME:     code = 1; break;
-         case PK_INSERT:   code = 2; break;
-         case PK_DELETE:   code = 3; break;
-         case PK_END:      code = 4; break;
-         case PK_PAGEUP:   code = 5; break;
-         case PK_PAGEDOWN: code = 6; break;
-         default: code = 0; break; /* else gcc warns `enum value not used' */
-       }
-       p += sprintf((char *) p, "\x1B[%d~", code);
-       goto done;
-    }
-
-    if (PK_ISFKEY(keysym)) {
-       /* Map Shift+F1-F10 to F11-F20 */
-       if (keysym >= PK_F1 && keysym <= PK_F10 && (modifiers & PKM_SHIFT))
-           keysym += 10;
-       if ((term->vt52_mode || term->cfg.funky_type == FUNKY_VT100P) &&
-           keysym <= PK_F14) {
-           /* XXX This overrides the XTERM/VT52 mode below */
-           int offt = 0;
-           if (keysym >= PK_F6)  offt++;
-           if (keysym >= PK_F12) offt++;
-           p += sprintf((char *) p, term->vt52_mode ? "\x1B%c" : "\x1BO%c",
-                        'P' + keysym - PK_F1 - offt);
-           goto done;
-       }
-       if (term->cfg.funky_type == FUNKY_LINUX && keysym <= PK_F5) {
-           p += sprintf((char *) p, "\x1B[[%c", 'A' + keysym - PK_F1);
-           goto done;
-       }
-       if (term->cfg.funky_type == FUNKY_XTERM && keysym <= PK_F4) {
-           if (term->vt52_mode)
-               p += sprintf((char *) p, "\x1B%c", 'P' + keysym - PK_F1);
-           else
-               p += sprintf((char *) p, "\x1BO%c", 'P' + keysym - PK_F1);
-           goto done;
-       }
-       p += sprintf((char *) p, "\x1B[%d~", 11 + keysym - PK_F1);
-       goto done;
-    }
-
-    if (PK_ISCURSOR(keysym)) {
-       int xkey;
-
-       switch (keysym) {
-         case PK_UP:    xkey = 'A'; break;
-         case PK_DOWN:  xkey = 'B'; break;
-         case PK_RIGHT: xkey = 'C'; break;
-         case PK_LEFT:  xkey = 'D'; break;
-         case PK_REST:  xkey = 'G'; break; /* centre key on number pad */
-         default: xkey = 0; break; /* else gcc warns `enum value not used' */
-       }
-       if (term->vt52_mode)
-           p += sprintf((char *) p, "\x1B%c", xkey);
-       else {
-           int app_flg = (term->app_cursor_keys && !term->cfg.no_applic_c);
-
-           /* Useful mapping of Ctrl-arrows */
-           if (modifiers == PKM_CONTROL)
-               app_flg = !app_flg;
-
-           if (app_flg)
-               p += sprintf((char *) p, "\x1BO%c", xkey);
-           else
-               p += sprintf((char *) p, "\x1B[%c", xkey);
-       }
-       goto done;
     }
 
-  done:
-    if (p > output || tlen > 0) {
-       /*
-        * Interrupt an ongoing paste. I'm not sure
-        * this is sensible, but for the moment it's
-        * preferable to having to faff about buffering
-        * things.
-        */
-       term_nopaste(term);
-
-       /*
-        * We need not bother about stdin backlogs
-        * here, because in GUI PuTTY we can't do
-        * anything about it anyway; there's no means
-        * of asking Windows to hold off on KEYDOWN
-        * messages. We _have_ to buffer everything
-        * we're sent.
-        */
-       term_seen_key_event(term);
-
-       if (prependesc) {
-#if 0
-           fprintf(stderr, "sending ESC\n");
-#endif
-           ldisc_send(term->ldisc, "\x1b", 1, 1);
-       }
-
-       if (p > output) {
-#if 0
-           fprintf(stderr, "sending %d bytes:", p - output);
-           for (i = 0; i < p - output; i++)
-               fprintf(stderr, " %02x", output[i]);
-           fprintf(stderr, "\n");
-#endif
-           ldisc_send(term->ldisc, output, p - output, 1);
-       } else if (tlen > 0) {
-#if 0
-           fprintf(stderr, "sending %d unichars:", tlen);
-           for (i = 0; i < tlen; i++)
-               fprintf(stderr, " %04x", (unsigned) text[i]);
-           fprintf(stderr, "\n");
-#endif
-           luni_send(term->ldisc, text, tlen, 1);
-       }
-    }
+    return p - buf;
 }
 
 void term_nopaste(Terminal *term)
@@ -6222,6 +6108,14 @@ void term_deselect(Terminal *term)
 {
     deselect(term);
     term_update(term);
+
+    /*
+     * Since terminal output is suppressed during drag-selects, we
+     * should make sure to write any pending output if one has just
+     * finished.
+     */
+    if (term->selstate != DRAGGING)
+        term_out(term);
 }
 
 int term_ldisc(Terminal *term, int option)
@@ -6309,9 +6203,10 @@ char *term_get_ttymode(Terminal *term, const char *mode)
 {
     char *val = NULL;
     if (strcmp(mode, "ERASE") == 0) {
-       val = term->cfg.bksp_is_delete ? "^?" : "^H";
+       val = term->bksp_is_delete ? "^?" : "^H";
     }
-    /* FIXME: perhaps we should set ONLCR based on cfg.lfhascr as well? */
+    /* FIXME: perhaps we should set ONLCR based on lfhascr as well? */
+    /* FIXME: or ECHO and friends based on local echo state? */
     return dupstr(val);
 }
 
@@ -6355,8 +6250,8 @@ int term_get_userpass_input(Terminal *term, prompts_t *p,
         */
        {
            int i;
-           for (i = 0; i < p->n_prompts; i++)
-               memset(p->prompts[i]->result, 0, p->prompts[i]->result_len);
+           for (i = 0; i < (int)p->n_prompts; i++)
+                prompt_set_result(p->prompts[i], "");
        }
     }
 
@@ -6383,8 +6278,8 @@ int term_get_userpass_input(Terminal *term, prompts_t *p,
              case 10:
              case 13:
                term_data(term, 0, "\r\n", 2);
+                prompt_ensure_result_size(pr, s->pos + 1);
                pr->result[s->pos] = '\0';
-               pr->result[pr->result_len - 1] = '\0';
                /* go to next prompt, if any */
                s->curr_prompt++;
                s->done_prompt = 0;
@@ -6419,10 +6314,9 @@ int term_get_userpass_input(Terminal *term, prompts_t *p,
                 * when we're doing password input, because some people
                 * have control characters in their passwords.
                 */
-               if ((!pr->echo ||
-                    (c >= ' ' && c <= '~') ||
-                    ((unsigned char) c >= 160))
-                   && s->pos < pr->result_len - 1) {
+               if (!pr->echo || (c >= ' ' && c <= '~') ||
+                    ((unsigned char) c >= 160)) {
+                    prompt_ensure_result_size(pr, s->pos + 1);
                    pr->result[s->pos++] = c;
                    if (pr->echo)
                        term_data(term, 0, &c, 1);