updated for version 7.4.669 Problem: When netbeans is active the sign column always shows up. Solution: Only show the sign column once a sign has been added. (Xavier de Gaye)

src/buffer.c

@@ -5483,6 +5483,10 @@ insert_sign(buf, prev, next, id, lnum, typenr)
 
 	    /* first sign in signlist */
 	    buf->b_signlist = newsign;
+#ifdef FEAT_NETBEANS_INTG
+	    if (netbeans_active())
+		buf->b_has_sign_column = TRUE;
+#endif
 	}
 	else
 	    prev->next = newsign;

src/edit.c

@@ -6702,7 +6702,7 @@ comp_textwidth(ff)
 #ifdef FEAT_SIGNS
 	if (curwin->w_buffer->b_signlist != NULL
 # ifdef FEAT_NETBEANS_INTG
-			    || netbeans_active()
+			  || curwin->w_buffer->b_has_sign_column
 # endif
 		    )
 	    textwidth -= 1;

src/move.c

@@ -905,7 +905,7 @@ win_col_off(wp)
 	    + (
 # ifdef FEAT_NETBEANS_INTG
 		/* show glyph gutter in netbeans */
-		netbeans_active() ||
+		wp->w_buffer->b_has_sign_column ||
 # endif
 		wp->w_buffer->b_signlist != NULL ? 2 : 0)
 #endif

src/netbeans.c

@@ -148,6 +148,11 @@ static int inAtomic = 0;
     static void
 nb_close_socket(void)
 {
+    buf_T	*buf;
+
+    for (buf = firstbuf; buf != NULL; buf = buf->b_next)
+	buf->b_has_sign_column = FALSE;
+
 #ifdef FEAT_GUI_X11
     if (inputHandler != (XtInputId)NULL)
     {

src/screen.c

@@ -2214,7 +2214,7 @@ draw_signcolumn(wp)
 {
     return (wp->w_buffer->b_signlist != NULL
 # ifdef FEAT_NETBEANS_INTG
-			    || netbeans_active()
+				|| wp->w_buffer->b_has_sign_column
 # endif
 		    );
 }

src/structs.h

@@ -1808,6 +1808,11 @@ struct file_buffer
 
 #ifdef FEAT_SIGNS
     signlist_T	*b_signlist;	/* list of signs to draw */
+# ifdef FEAT_NETBEANS_INTG
+    int		b_has_sign_column; /* Flag that is set when a first sign is
+				    * added and remains set until the end of
+				    * the netbeans session. */
+# endif
 #endif
 
 #ifdef FEAT_NETBEANS_INTG

src/version.c

@@ -756,6 +756,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    669,
 /**/
     668,
 /**/