New SSH bug flag, for 'can't handle SSH2_MSG_IGNORE'. Another user
[u/mdw/putty] / terminal.c
index f5603a8..c0c809c 100644 (file)
@@ -65,6 +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))
@@ -1221,6 +1223,8 @@ static void power_on(Terminal *term, int clear)
     term->erase_char = term->basic_erase_char;
     term->alt_which = 0;
     term_print_finish(term);
+    term->xterm_mouse = 0;
+    set_raw_mouse_mode(term->frontend, FALSE);
     {
        int i;
        for (i = 0; i < 256; i++)
@@ -1446,7 +1450,7 @@ 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;
@@ -1610,6 +1614,8 @@ 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);
@@ -1630,6 +1636,8 @@ 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;
     }
@@ -1689,12 +1697,26 @@ 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;
 
@@ -1720,7 +1742,7 @@ 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);
 }
 
@@ -2363,11 +2385,11 @@ static void toggle_mode(Terminal *term, int mode, int query, int state)
            swap_screen(term, term->cfg.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;
@@ -2848,6 +2870,13 @@ static void term_out(Terminal *term)
                term->wrapnext = FALSE;
                seen_disp_event(term);
                term->paste_hold = 0;
+
+        if (term->cfg.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;
@@ -3749,7 +3778,7 @@ 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) {
@@ -3761,7 +3790,7 @@ 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;
@@ -3791,8 +3820,11 @@ 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->cfg.remote_qtitle_action != TITLE_NONE) {
+                                   if(term->cfg.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);
@@ -3801,8 +3833,11 @@ 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->cfg.remote_qtitle_action != TITLE_NONE) {
+                                   if(term->cfg.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);
@@ -5102,6 +5137,31 @@ void term_scroll(Terminal *term, int rel, int where)
 }
 
 /*
+ * 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 {
@@ -5227,8 +5287,17 @@ static void clipme(Terminal *term, pos top, pos bottom, int rect, int desel)
 
                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) {
@@ -5800,6 +5869,42 @@ void term_mouse(Terminal *term, Mouse_Button braw, Mouse_Button bcooked,
     term_update(term);
 }
 
+int format_arrow_key(char *buf, Terminal *term, int xkey, int ctrl)
+{
+    char *p = buf;
+
+    if (term->vt52_mode)
+       p += sprintf((char *) p, "\x1B%c", xkey);
+    else {
+       int app_flg = (term->app_cursor_keys && !term->cfg.no_applic_c);
+#if 0
+       /*
+        * 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->app_keypad_keys)
+           app_flg = 0;
+#endif
+       /* Useful mapping of Ctrl-arrows */
+       if (ctrl)
+           app_flg = !app_flg;
+
+       if (app_flg)
+           p += sprintf((char *) p, "\x1BO%c", xkey);
+       else
+           p += sprintf((char *) p, "\x1B[%c", xkey);
+    }
+
+    return p - buf;
+}
+
 void term_key(Terminal *term, Key_Sym keysym, wchar_t *text, size_t tlen,
              unsigned int modifiers, unsigned int flags)
 {
@@ -5907,7 +6012,7 @@ void term_key(Terminal *term, Key_Sym keysym, wchar_t *text, size_t tlen,
                if (modifiers & PKM_CONTROL)
                    c &= 0x1f;
                else if (modifiers & PKM_SHIFT)
-                   c = toupper(c);
+                       c = toupper((unsigned char)c);
            }
            *p++ = c;
            goto done;
@@ -6176,20 +6281,7 @@ void term_key(Terminal *term, Key_Sym keysym, wchar_t *text, size_t tlen,
          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);
-       }
+       p += format_arrow_key(p, term, xkey, modifiers == PKM_CONTROL);
        goto done;
     }
 
@@ -6390,6 +6482,7 @@ char *term_get_ttymode(Terminal *term, const char *mode)
        val = term->cfg.bksp_is_delete ? "^?" : "^H";
     }
     /* FIXME: perhaps we should set ONLCR based on cfg.lfhascr as well? */
+    /* FIXME: or ECHO and friends based on local echo state? */
     return dupstr(val);
 }
 
@@ -6433,7 +6526,7 @@ int term_get_userpass_input(Terminal *term, prompts_t *p,
         */
        {
            int i;
-           for (i = 0; i < p->n_prompts; i++)
+           for (i = 0; i < (int)p->n_prompts; i++)
                memset(p->prompts[i]->result, 0, p->prompts[i]->result_len);
        }
     }