(IT_menu_display): Truncate long menu lines at the right

screen boundary.

2 files changed, 15 insertions, 3 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 6f52fa04804..e72c2250ea0 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2000-01-24  Eli Zaretskii  <eliz@is.elta.co.il>
+
+        * msdos.c (IT_menu_display): Truncate long menu lines at the right
+        screen boundary.
+
 2000-01-23  Jason Rumney  <jasonr@gnu.org>
 
         * w32fns.c (w32_defined_color): Apply gamma correction before
diff --git a/src/msdos.c b/src/msdos.c
index 3cd0d7e5a4e..fc1509b6010 100644
--- a/src/msdos.c
+++ b/src/msdos.c
@@ -3268,6 +3268,8 @@ IT_menu_display (XMenu *menu, int y, int x, int *faces)
   IT_update_begin (sf);
   for (i = 0; i < menu->count; i++)
     {
+      int max_width = width + 2;
+
       IT_cursor_to (y + i, x);
       enabled
         = (!menu->submenu[i] && menu->panenumber[i]) || (menu->submenu[i]);
@@ -3292,13 +3294,18 @@ IT_menu_display (XMenu *menu, int y, int x, int *faces)
               p++;
             }
         }
-            
-      for (; j < width; j++, p++)
+      /* Don't let the menu text overflow into the next screen row.  */
+      if (x + max_width > screen_size_X)
+        {
+          max_width = screen_size_X - x;
+          text[max_width - 1].u.ch = '$'; /* indicate it's truncated */
+        }
+      for (; j < max_width - 2; j++, p++)
         SET_CHAR_GLYPH (*p, ' ', face, 0);
 
       SET_CHAR_GLYPH (*p, menu->submenu[i] ? 16 : ' ', face, 0);
       p++;
-      IT_write_glyphs (text, width + 2);
+      IT_write_glyphs (text, max_width);
     }
   IT_update_end (sf);
   IT_cursor_to (row, col);