Add -_didInvalidateLayout method that is called whenever any layout information has been invalidated. Use it in NSLayoutManager to resize text views.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@15915 72102866-910b-0410-8b05-ffd578937521

Source/NSLayoutManager.m

@@ -1450,9 +1450,6 @@ TODO: not really clear what these should do
      changeInLength: (int)lengthChange
    invalidatedRange: (NSRange)invalidatedRange
 {
-  unsigned int g;
-  int i;
-
   [super textStorage: aTextStorage
 	edited: mask
 	range: range
@@ -1490,22 +1487,31 @@ TODO: not really clear what these should do
 	    }
 	}
     }
+}
+
+
+-(void) _didInvalidateLayout
+{
+  unsigned int g;
+  int i;
 
   /* Invalidate display from the first glyph not laid out (which will
   generally be the first glyph to have been invalidated). */
   g = layout_glyph;
 
+  [super _didInvalidateLayout];
+
   for (i = 0; i < num_textcontainers; i++)
     {
       if (textcontainers[i].complete &&
 	  g < textcontainers[i].pos + textcontainers[i].length)
         continue;
 
-      [[textcontainers[i].textContainer textView] sizeToFit]; /* TODO? */
+      [[textcontainers[i].textContainer textView] sizeToFit];
       [[textcontainers[i].textContainer textView] setNeedsDisplay: YES];
     }
-
 }
 
+
 @end