96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
|
/*
|
||
|
|
* Copyright 2006, Haiku Inc.
|
||
|
|
* Distributed under the terms of the MIT License.
|
||
|
|
*/
|
||
|
|
#ifndef _GRID_LAYOUT_H
|
||
|
|
#define _GRID_LAYOUT_H
|
||
|
|
|
||
|
|
#include <TwoDimensionalLayout.h>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
class BGridLayout : public BTwoDimensionalLayout {
|
||
|
|
public:
|
||
|
|
BGridLayout(float horizontal = 0.0f,
|
||
|
|
float vertical = 0.0f);
|
||
|
|
virtual ~BGridLayout();
|
||
|
|
|
||
|
|
float HorizontalSpacing() const;
|
||
|
|
float VerticalSpacing() const;
|
||
|
|
|
||
|
|
void SetHorizontalSpacing(float spacing);
|
||
|
|
void SetVerticalSpacing(float spacing);
|
||
|
|
void SetSpacing(float horizontal, float vertical);
|
||
|
|
|
||
|
|
float ColumnWeight(int32 column) const;
|
||
|
|
void SetColumnWeight(int32 column, float weight);
|
||
|
|
|
||
|
|
float MinColumnWidth(int32 column) const;
|
||
|
|
void SetMinColumnWidth(int32 column, float width);
|
||
|
|
|
||
|
|
float MaxColumnWidth(int32 column) const;
|
||
|
|
void SetMaxColumnWidth(int32 column, float width);
|
||
|
|
|
||
|
|
float RowWeight(int32 row) const;
|
||
|
|
void SetRowWeight(int32 row, float weight);
|
||
|
|
|
||
|
|
float MinRowHeight(int row) const;
|
||
|
|
void SetMinRowHeight(int32 row, float height);
|
||
|
|
|
||
|
|
float MaxRowHeight(int32 row) const;
|
||
|
|
void SetMaxRowHeight(int32 row, float height);
|
||
|
|
|
||
|
|
virtual BLayoutItem* AddView(BView* child);
|
||
|
|
virtual BLayoutItem* AddView(int32 index, BView* child);
|
||
|
|
virtual BLayoutItem* AddView(BView* child, int32 column, int32 row,
|
||
|
|
int32 columnCount = 1, int32 rowCount = 1);
|
||
|
|
|
||
|
|
virtual bool AddItem(BLayoutItem* item);
|
||
|
|
virtual bool AddItem(int32 index, BLayoutItem* item);
|
||
|
|
virtual bool AddItem(BLayoutItem* item, int32 column,
|
||
|
|
int32 row, int32 columnCount = 1,
|
||
|
|
int32 rowCount = 1);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
virtual void ItemAdded(BLayoutItem* item);
|
||
|
|
virtual void ItemRemoved(BLayoutItem* item);
|
||
|
|
|
||
|
|
virtual bool HasMultiColumnItems();
|
||
|
|
virtual bool HasMultiRowItems();
|
||
|
|
|
||
|
|
virtual int32 InternalCountColumns();
|
||
|
|
virtual int32 InternalCountRows();
|
||
|
|
virtual void GetColumnRowConstraints(
|
||
|
|
enum orientation orientation,
|
||
|
|
int32 index,
|
||
|
|
ColumnRowConstraints* constraints);
|
||
|
|
virtual void GetItemDimensions(BLayoutItem* item,
|
||
|
|
Dimensions* dimensions);
|
||
|
|
|
||
|
|
private:
|
||
|
|
class DummyLayoutItem;
|
||
|
|
class RowInfoArray;
|
||
|
|
struct ItemLayoutData;
|
||
|
|
|
||
|
|
bool _IsGridCellEmpty(int32 column, int32 row);
|
||
|
|
bool _AreGridCellsEmpty(int32 column, int32 row,
|
||
|
|
int32 columnCount, int32 rowCount);
|
||
|
|
|
||
|
|
bool _ResizeGrid(int32 columnCount, int32 rowCount);
|
||
|
|
|
||
|
|
ItemLayoutData* _LayoutDataForItem(BLayoutItem* item) const;
|
||
|
|
|
||
|
|
private:
|
||
|
|
BLayoutItem*** fGrid;
|
||
|
|
int32 fColumnCount;
|
||
|
|
int32 fRowCount;
|
||
|
|
|
||
|
|
RowInfoArray* fRowInfos;
|
||
|
|
RowInfoArray* fColumnInfos;
|
||
|
|
|
||
|
|
int32 fMultiColumnItems;
|
||
|
|
int32 fMultiRowItems;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // _GRID_LAYOUT_H
|