haiku/headers/os/interface/CardLayout.h

48 lines
1.1 KiB
C
Raw Normal View History

/*
* Copyright 2006, Haiku Inc.
* Distributed under the terms of the MIT License.
*/
#ifndef _CARD_LAYOUT_H
#define _CARD_LAYOUT_H
#include <Layout.h>
class BCardLayout : public BLayout {
public:
BCardLayout();
virtual ~BCardLayout();
BLayoutItem* VisibleItem() const;
int32 VisibleIndex() const;
void SetVisibleItem(int32 index);
void SetVisibleItem(BLayoutItem* item);
virtual BSize MinSize();
virtual BSize MaxSize();
virtual BSize PreferredSize();
virtual BAlignment Alignment();
virtual bool HasHeightForWidth();
virtual void GetHeightForWidth(float width, float* min,
float* max, float* preferred);
virtual void InvalidateLayout();
virtual void LayoutView();
protected:
virtual void ItemAdded(BLayoutItem* item);
virtual void ItemRemoved(BLayoutItem* item);
private:
BSize fMin;
BSize fMax;
BSize fPreferred;
BLayoutItem* fVisibleItem;
bool fMinMaxValid;
void _ValidateMinMax();
};
#endif // _CARD_LAYOUT_H