Some comments.

2 files changed, 15 insertions, 1 deletions

diff --git a/dw/widget.cc b/dw/widget.cc
index f5bca367..e6c2cae0 100644
--- a/dw/widget.cc
+++ b/dw/widget.cc
@@ -231,6 +231,16 @@ void Widget::getExtremes (Extremes *extremes)
  */
 void Widget::sizeAllocate (Allocation *allocation)
 {
+   /*printf ("The %stop-level %s %p is allocated:\n",
+           parent ? "non-" : "", getClassName(), this);
+   printf ("   old = (%d, %d, %d + (%d + %d))\n",
+           this->allocation.x, this->allocation.y, this->allocation.width,
+           this->allocation.ascent, this->allocation.descent);
+   printf ("   new = (%d, %d, %d + (%d + %d))\n",
+           allocation->x, allocation->y, allocation->width, allocation->ascent,
+           allocation->descent);
+   printf ("   NEEDS_ALLOCATE = %s\n", needsAllocate () ? "true" : "false");*/
+
    if (needsAllocate () ||
        allocation->x != this->allocation.x ||
        allocation->y != this->allocation.y ||
diff --git a/dw/widget.hh b/dw/widget.hh
index 18d74026..ab464c26 100644
--- a/dw/widget.hh
+++ b/dw/widget.hh
@@ -47,7 +47,11 @@ protected:
       /**
        * \brief Only used internally, set to enforce size allocation.
        *
-       * (I've forgotten the case, for which this is necessary.)
+       * In some cases, the size of a widget remains the same, but the
+       * children are allocated at different positions and in
+       * different sizes, so that a simple comparison of old and new
+       * allocation is insufficient. Therefore, this flag is set in
+       * queueResize.
        */
       NEEDS_ALLOCATE   = 1 << 3,