1 files changed, 12 insertions, 11 deletions

diff --git a/iup/src/iup_layout.c b/iup/src/iup_layout.c
index b96293c..0ccd496 100755
--- a/iup/src/iup_layout.c
+++ b/iup/src/iup_layout.c
@@ -43,7 +43,7 @@ static void iLayoutDisplayUpdateChildren(Ihandle *ih)
     iLayoutDisplayUpdateChildren(child);
 
     if (child->handle && child->iclass->nativetype != IUP_TYPEVOID)
-      iupdrvDisplayUpdate(child);
+      iupdrvPostRedraw(child);
   }
 }
 
@@ -54,7 +54,7 @@ void IupUpdate(Ihandle* ih)
     return;
 
   if (ih->handle && ih->iclass->nativetype != IUP_TYPEVOID)
-    iupdrvDisplayUpdate(ih);
+    iupdrvPostRedraw(ih);
 }
 
 void IupUpdateChildren(Ihandle* ih)
@@ -74,7 +74,7 @@ static void iLayoutDisplayRedrawChildren(Ihandle *ih)
     iLayoutDisplayRedrawChildren(child);
 
     if (child->handle && child->iclass->nativetype != IUP_TYPEVOID)
-      iupdrvDisplayRedraw(child);
+      iupdrvRedrawNow(child);
   }
 }
 
@@ -85,7 +85,7 @@ void IupRedraw(Ihandle* ih, int children)
     return;
 
   if (ih->handle && ih->iclass->nativetype != IUP_TYPEVOID)
-    iupdrvDisplayRedraw(ih);
+    iupdrvRedrawNow(ih);
 
   if (children)
     iLayoutDisplayRedrawChildren(ih);
@@ -136,7 +136,7 @@ void iupLayoutCompute(Ihandle* ih)
   iupBaseSetPosition(ih, 0, 0);
 }
 
-static void iLayoutSetMinMaxSize(Ihandle* ih, int *w, int *h)
+void iupLayoutSetMinMaxSize(Ihandle* ih, int *w, int *h)
 {
   if (ih->has_minsize)
   {
@@ -163,7 +163,8 @@ void iupBaseComputeNaturalSize(Ihandle* ih)
   ih->naturalwidth = ih->userwidth;
   ih->naturalheight = ih->userheight;
 
-  if (ih->iclass->childtype!=IUP_CHILDNONE || ih->iclass->nativetype == IUP_TYPEDIALOG)
+  if (ih->iclass->childtype!=IUP_CHILDNONE || 
+      ih->iclass->nativetype == IUP_TYPEDIALOG)  /* pre-defined dialogs can restrict the number of children */
   {
     int w=0, h=0, children_expand;
 
@@ -190,7 +191,7 @@ void iupBaseComputeNaturalSize(Ihandle* ih)
       ih->naturalheight = iupMAX(ih->naturalheight, h);
 
       /* crop the natural size */
-      iLayoutSetMinMaxSize(ih, &(ih->naturalwidth), &(ih->naturalheight));
+      iupLayoutSetMinMaxSize(ih, &(ih->naturalwidth), &(ih->naturalheight));
     }
   }
   else 
@@ -198,15 +199,15 @@ void iupBaseComputeNaturalSize(Ihandle* ih)
     /* for non-container only compute if user size is not defined */
     if (ih->naturalwidth <= 0 || ih->naturalheight <= 0)
     {
-      int w=0, h=0;
-      iupClassObjectComputeNaturalSize(ih, &w, &h, NULL);
+      int w=0, h=0, children_expand;
+      iupClassObjectComputeNaturalSize(ih, &w, &h, &children_expand);
 
       if (ih->naturalwidth <= 0) ih->naturalwidth = w;
       if (ih->naturalheight <= 0) ih->naturalheight = h;
     }
 
     /* crop the natural size */
-    iLayoutSetMinMaxSize(ih, &(ih->naturalwidth), &(ih->naturalheight));
+    iupLayoutSetMinMaxSize(ih, &(ih->naturalwidth), &(ih->naturalheight));
   }
 }
 
@@ -259,7 +260,7 @@ void iupBaseSetCurrentSize(Ihandle* ih, int w, int h, int shrink)
 
     /* crop the current size if expanded */
     if (ih->expand & IUP_EXPAND_WIDTH || ih->expand & IUP_EXPAND_HEIGHT)
-      iLayoutSetMinMaxSize(ih, &(ih->currentwidth), &(ih->currentheight));
+      iupLayoutSetMinMaxSize(ih, &(ih->currentwidth), &(ih->currentheight));
   }
 }