160 lines
3.8 KiB
C++
160 lines
3.8 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 AREA_H
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#define AREA_H
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#include "Constraint.h"
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#include <Alignment.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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namespace BALM {
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class Column;
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class BALMLayout;
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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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* Rectangular area in the GUI, defined by a tab on each side.
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*/
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class Area {
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public:
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bool AutoPrefContentSize() const;
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void SetAutoPrefContentSize(bool value);
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XTab* Left() const;
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void SetLeft(XTab* left);
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XTab* Right() const;
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void SetRight(XTab* right);
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YTab* Top() const;
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void SetTop(YTab* top);
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YTab* Bottom() const;
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void SetBottom(YTab* bottom);
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Row* GetRow() const;
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void SetRow(Row* row);
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Column* GetColumn() const;
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void SetColumn(Column* column);
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BView* Content() const;
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void SetContent(BView* content);
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XTab* ContentLeft() const;
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YTab* ContentTop() const;
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XTab* ContentRight() const;
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YTab* ContentBottom() const;
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BSize MinContentSize() const;
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void SetMinContentSize(BSize min);
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BSize MaxContentSize() const;
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void SetMaxContentSize(BSize max);
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BSize PrefContentSize() const;
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void SetPrefContentSize(BSize pref);
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BSize ShrinkRigidity() const;
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void SetShrinkRigidity(BSize shrink);
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BSize ExpandRigidity() const;
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void SetExpandRigidity(BSize expand);
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double ContentAspectRatio() const;
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void SetContentAspectRatio(double ratio);
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BAlignment Alignment() const;
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void SetAlignment(BAlignment alignment);
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void SetHAlignment(alignment horizontal);
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void SetVAlignment(vertical_alignment vertical);
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int32 LeftInset() const;
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void SetLeftInset(int32 left);
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int32 TopInset() const;
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void SetTopInset(int32 top);
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int32 RightInset() const;
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void SetRightInset(int32 right);
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int32 BottomInset() const;
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void SetBottomInset(int32 bottom);
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void SetDefaultPrefContentSize();
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//~ string ToString();
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Constraint* HasSameWidthAs(Area* area);
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Constraint* HasSameHeightAs(Area* area);
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BList* HasSameSizetAs(Area* area);
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~Area();
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protected:
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Area(BALMLayout* ls, XTab* left, YTab* top,
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XTab* right, YTab* bottom,
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BView* content,
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BSize minContentSize);
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Area(BALMLayout* ls, Row* row, Column* column,
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BView* content,
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BSize minContentSize);
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void DoLayout();
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private:
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void InitChildArea();
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void UpdateHorizontal();
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void UpdateVertical();
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void Init(BALMLayout* ls, XTab* left, YTab* top,
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XTab* right, YTab* bottom,
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BView* content,
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BSize minContentSize);
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public:
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static BSize kMaxSize;
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static BSize kMinSize;
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static BSize kUndefinedSize;
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protected:
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BView* fContent;
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BList* fConstraints;
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private:
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BALMLayout* fLS;
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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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Row* fRow;
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Column* fColumn;
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BSize fMinContentSize;
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BSize fMaxContentSize;
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Constraint* fMinContentWidth;
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Constraint* fMaxContentWidth;
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Constraint* fMinContentHeight;
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Constraint* fMaxContentHeight;
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BSize fPrefContentSize;
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BSize fShrinkRigidity;
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BSize fExpandRigidity;
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double fContentAspectRatio;
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Constraint* fContentAspectRatioC;
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bool fAutoPrefContentSize;
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Constraint* fPrefContentWidth;
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Constraint* fPrefContentHeight;
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Area* fChildArea;
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BAlignment fAlignment;
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int32 fLeftInset;
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int32 fTopInset;
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int32 fRightInset;
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int32 fBottomInset;
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Constraint* fLeftConstraint;
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Constraint* fTopConstraint;
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Constraint* fRightConstraint;
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Constraint* fBottomConstraint;
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public:
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friend class BALMLayout;
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};
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} // namespace BALM
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using BALM::Area;
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#endif // AREA_H
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