Fix a cursor positioning infelicity.

[sgt/putty] / terminal.c

diff --git a/terminal.c b/terminal.c
index 079a738..3a2ab62 100644 (file)
--- a/terminal.c
+++ b/terminal.c
@@ -1614,6 +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);
@@ -1634,6 +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;
     }
@@ -1693,12 +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;