haiku/headers/libs/alm/Area.h
Ingo Weinhold 0306945545 Patch by Christof Lutteroth:
* copyright headers for the files of the libraries linprog and alm
* new class Summand for representing summands in a linear constraint
* merged class SoftConstraint into class Constraint; Constraint now
  supports both soft and hard constraint functionality
* new AddConstraint methods in class LinearSpec for directly setting
  constraints with 1 to 4 summands
* code cleanups by using aforementioned AddConstraint methods
* a new very simple test application for alm
* some style corrections


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24108 a95241bf-73f2-0310-859d-f6bbb57e9c96
2008-02-25 01:54:05 +00:00

155 lines
3.8 KiB
C++

/*
* Copyright 2007-2008, Christof Lutteroth, lutteroth@cs.auckland.ac.nz
* Copyright 2007-2008, James Kim, jkim202@ec.auckland.ac.nz
* Distributed under the terms of the MIT License.
*/
#ifndef AREA_H
#define AREA_H
#include "Constraint.h"
#include <Alignment.h>
#include <List.h>
#include <Size.h>
#include <SupportDefs.h>
#include <View.h>
namespace BALM {
class Column;
class BALMLayout;
class Row;
class XTab;
class YTab;
/**
* Rectangular area in the GUI, defined by a tab on each side.
*/
class Area {
public:
bool AutoPrefContentSize() const;
void SetAutoPrefContentSize(bool value);
XTab* Left() const;
void SetLeft(XTab* left);
XTab* Right() const;
void SetRight(XTab* right);
YTab* Top() const;
void SetTop(YTab* top);
YTab* Bottom() const;
void SetBottom(YTab* bottom);
Row* GetRow() const;
void SetRow(Row* row);
Column* GetColumn() const;
void SetColumn(Column* column);
BView* Content() const;
void SetContent(BView* content);
XTab* ContentLeft() const;
YTab* ContentTop() const;
XTab* ContentRight() const;
YTab* ContentBottom() const;
BSize MinContentSize() const;
void SetMinContentSize(BSize min);
BSize MaxContentSize() const;
void SetMaxContentSize(BSize max);
BSize PrefContentSize() const;
void SetPrefContentSize(BSize pref);
BSize ShrinkRigidity() const;
void SetShrinkRigidity(BSize shrink);
BSize ExpandRigidity() const;
void SetExpandRigidity(BSize expand);
double ContentAspectRatio() const;
void SetContentAspectRatio(double ratio);
BAlignment Alignment() const;
void SetAlignment(BAlignment alignment);
void SetHAlignment(alignment horizontal);
void SetVAlignment(vertical_alignment vertical);
int32 LeftInset() const;
void SetLeftInset(int32 left);
int32 TopInset() const;
void SetTopInset(int32 top);
int32 RightInset() const;
void SetRightInset(int32 right);
int32 BottomInset() const;
void SetBottomInset(int32 bottom);
void SetDefaultPrefContentSize();
//~ string ToString();
Constraint* HasSameWidthAs(Area* area);
Constraint* HasSameHeightAs(Area* area);
BList* HasSameSizetAs(Area* area);
~Area();
protected:
Area(BALMLayout* ls, XTab* left, YTab* top,
XTab* right, YTab* bottom,
BView* content,
BSize minContentSize);
Area(BALMLayout* ls, Row* row, Column* column,
BView* content,
BSize minContentSize);
void DoLayout();
private:
void InitChildArea();
void UpdateHorizontal();
void UpdateVertical();
void Init(BALMLayout* ls, XTab* left, YTab* top,
XTab* right, YTab* bottom,
BView* content,
BSize minContentSize);
public:
static BSize kMaxSize;
static BSize kMinSize;
static BSize kUndefinedSize;
protected:
BView* fContent;
BList* fConstraints;
private:
BALMLayout* fLS;
XTab* fLeft;
XTab* fRight;
YTab* fTop;
YTab* fBottom;
Row* fRow;
Column* fColumn;
BSize fMinContentSize;
BSize fMaxContentSize;
Constraint* fMinContentWidth;
Constraint* fMaxContentWidth;
Constraint* fMinContentHeight;
Constraint* fMaxContentHeight;
BSize fPrefContentSize;
BSize fShrinkRigidity;
BSize fExpandRigidity;
double fContentAspectRatio;
Constraint* fContentAspectRatioC;
bool fAutoPrefContentSize;
Constraint* fPrefContentWidth;
Constraint* fPrefContentHeight;
Area* fChildArea;
BAlignment fAlignment;
int32 fLeftInset;
int32 fTopInset;
int32 fRightInset;
int32 fBottomInset;
Constraint* fLeftConstraint;
Constraint* fTopConstraint;
Constraint* fRightConstraint;
Constraint* fBottomConstraint;
public:
friend class BALMLayout;
};
} // namespace BALM
using BALM::Area;
#endif // AREA_H