Added method SetExplicitSize() for convenience.

headers/os/interface/LayoutItem.h

@@ -32,6 +32,7 @@ public:
 	virtual	void				SetExplicitMinSize(BSize size) = 0;
 	virtual	void				SetExplicitMaxSize(BSize size) = 0;
 	virtual	void				SetExplicitPreferredSize(BSize size) = 0;
+			void				SetExplicitSize(BSize size);
 	virtual	void				SetExplicitAlignment(BAlignment alignment) = 0;
 
 	virtual	bool				IsVisible() = 0;

headers/os/interface/View.h

@@ -1,5 +1,5 @@
 /*
- * Copyright 2001-2009, Haiku, Inc. All rights reserved.
+ * Copyright 2001-2012, Haiku, Inc. All rights reserved.
  * Distributed under the terms of the MIT License.
  */
 #ifndef	_VIEW_H
@@ -537,6 +537,7 @@ public:
 			void				SetExplicitMinSize(BSize size);
 			void				SetExplicitMaxSize(BSize size);
 			void				SetExplicitPreferredSize(BSize size);
+			void				SetExplicitSize(BSize size);
 			void				SetExplicitAlignment(BAlignment alignment);
 
 			BSize				ExplicitMinSize() const;
@@ -753,4 +754,5 @@ BView::SetLowColor(uchar r, uchar g, uchar b, uchar a)
 	SetLowColor(color);
 }
 
+
 #endif // _VIEW_H

src/kits/interface/LayoutItem.cpp

@@ -1,9 +1,10 @@
 /*
- * Copyright 2010, Haiku, Inc.
+ * Copyright 2010-2012, Haiku, Inc.
  * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
  * All rights reserved. Distributed under the terms of the MIT License.
  */
 
+
 #include <LayoutItem.h>
 
 #include <Layout.h>
@@ -46,6 +47,15 @@ BLayoutItem::Layout() const
 }
 
 
+void
+BLayoutItem::SetExplicitSize(BSize size)
+{
+	SetExplicitMinSize(size);
+	SetExplicitMaxSize(size);
+	SetExplicitPreferredSize(size);
+}
+
+
 bool
 BLayoutItem::HasHeightForWidth()
 {
@@ -122,7 +132,7 @@ BLayoutItem::AlignInFrame(BRect frame)
 
 		float minHeight;
 		GetHeightForWidth(frame.Width(), &minHeight, NULL, NULL);
-		
+
 		frame.bottom = frame.top + max_c(frame.Height(), minHeight);
 		maxSize.height = minHeight;
 	}
@@ -178,7 +188,7 @@ BLayoutItem::SetLayout(BLayout* layout)
 			BView::Private(view).RegisterLayoutItem(this);
 		}
 	}
-	
+
 	if (fLayout)
 		AttachedToLayout();
 }

src/kits/interface/View.cpp

@@ -4586,6 +4586,16 @@ BView::SetExplicitPreferredSize(BSize size)
 }
 
 
+void
+BView::SetExplicitSize(BSize size)
+{
+	fLayoutData->fMinSize = size;
+	fLayoutData->fMaxSize = size;
+	fLayoutData->fPreferredSize = size;
+	InvalidateLayout();
+}
+
+
 void
 BView::SetExplicitAlignment(BAlignment alignment)
 {