* Copyright 2006, Haiku Inc.
* Distributed under the terms of the MIT License.
*/
#ifndef LAYOUTER_H
#define LAYOUTER_H
#include <SupportDefs.h>
namespace BPrivate {
namespace Layout {
class LayoutInfo {
public:
LayoutInfo();
virtual ~LayoutInfo();
virtual float ElementLocation(int32 element) = 0;
virtual float ElementSize(int32 element) = 0;
virtual float ElementRangeSize(int32 position, int32 length);
};
class Layouter {
public:
Layouter();
virtual ~Layouter();
virtual void AddConstraints(int32 element, int32 length,
float min, float max, float preferred) = 0;
virtual void SetWeight(int32 element, float weight) = 0;
virtual float MinSize() = 0;
virtual float MaxSize() = 0;
virtual float PreferredSize() = 0;
virtual LayoutInfo* CreateLayoutInfo() = 0;
virtual void Layout(LayoutInfo* layoutInfo, float size) = 0;
virtual Layouter* CloneLayouter() = 0;
};
}
}
using BPrivate::Layout::LayoutInfo;
using BPrivate::Layout::Layouter;
#endif
