111 lines
2.5 KiB
C++
111 lines
2.5 KiB
C++
/*
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* Copyright 2007-2008, Christof Lutteroth, lutteroth@cs.auckland.ac.nz
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* Copyright 2007-2008, James Kim, jkim202@ec.auckland.ac.nz
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* Distributed under the terms of the MIT License.
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*/
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#ifndef BALM_LAYOUT_H
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#define BALM_LAYOUT_H
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#include <File.h>
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#include <Layout.h>
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#include <List.h>
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#include <Size.h>
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#include <SupportDefs.h>
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#include <View.h>
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#include "LayoutStyleType.h"
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#include "LinearSpec.h"
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namespace BALM {
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class Area;
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class Column;
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class Row;
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class XTab;
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class YTab;
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/**
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* A GUI layout engine using the ALM.
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*/
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class BALMLayout : public BLayout, public LinearSpec {
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public:
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BALMLayout();
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void SolveLayout();
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XTab* AddXTab();
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YTab* AddYTab();
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Row* AddRow();
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Row* AddRow(YTab* top, YTab* bottom);
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Column* AddColumn();
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Column* AddColumn(XTab* left, XTab* right);
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Area* AddArea(XTab* left, YTab* top, XTab* right, YTab* bottom,
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BView* content, BSize minContentSize);
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Area* AddArea(Row* row, Column* column, BView* content,
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BSize minContentSize);
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Area* AddArea(XTab* left, YTab* top, XTab* right, YTab* bottom,
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BView* content);
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Area* AddArea(Row* row, Column* column, BView* content);
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Area* AreaOf(BView* control);
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BList* Areas() const;
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XTab* Left() const;
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XTab* Right() const;
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YTab* Top() const;
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YTab* Bottom() const;
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void RecoverLayout(BView* parent);
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LayoutStyleType LayoutStyle() const;
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void SetLayoutStyle(LayoutStyleType style);
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BLayoutItem* AddView(BView* child);
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BLayoutItem* AddView(int32 index, BView* child);
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bool AddItem(BLayoutItem* item);
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bool AddItem(int32 index, BLayoutItem* item);
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bool RemoveView(BView* child);
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bool RemoveItem(BLayoutItem* item);
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BLayoutItem* RemoveItem(int32 index);
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BSize MinSize();
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BSize MaxSize();
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BSize PreferredSize();
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BAlignment Alignment();
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bool HasHeightForWidth();
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void GetHeightForWidth(float width, float* min,
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float* max, float* preferred);
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void InvalidateLayout();
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void LayoutView();
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char* PerformancePath() const;
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void SetPerformancePath(char* path);
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private:
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BSize CalculateMinSize();
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BSize CalculateMaxSize();
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BSize CalculatePreferredSize();
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private:
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LayoutStyleType fLayoutStyle;
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bool fActivated;
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BList* fAreas;
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XTab* fLeft;
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XTab* fRight;
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YTab* fTop;
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YTab* fBottom;
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BSize fMinSize;
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BSize fMaxSize;
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BSize fPreferredSize;
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char* fPerformancePath;
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};
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} // namespace BALM
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using BALM::BALMLayout;
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#endif // BALM_LAYOUT_H
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