haiku/headers/libs/alm/Area.h
Clemens Zeidler b3b7b663e0 Encapsulate the solver in the ALM layout class.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38750 a95241bf-73f2-0310-859d-f6bbb57e9c96
2010-09-20 22:47:13 +00:00

171 lines
4.3 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 <Alignment.h>
#include <List.h>
#include <Size.h>
#include <SupportDefs.h>
#include <View.h>
#include "Column.h"
#include "LinearSpec.h"
#include "Row.h"
#include "XTab.h"
#include "YTab.h"
class Constraint;
namespace BALM {
/**
* Rectangular area in the GUI, defined by a tab on each side.
*/
class Area {
public:
~Area();
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 PreferredContentSize() const;
void SetPreferredContentSize(BSize preferred);
double ContentAspectRatio() const;
void SetContentAspectRatio(double ratio);
BSize ShrinkPenalties() const;
void SetShrinkPenalties(BSize shrink);
BSize GrowPenalties() const;
void SetGrowPenalties(BSize grow);
BAlignment Alignment() const;
void SetAlignment(BAlignment alignment);
void SetHorizontalAlignment(alignment horizontal);
void SetVerticalAlignment(
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 SetDefaultBehavior();
bool AutoPreferredContentSize() const;
void SetAutoPreferredContentSize(bool value);
operator BString() const;
void GetString(BString& string) const;
Constraint* HasSameWidthAs(Area* area);
Constraint* HasSameHeightAs(Area* area);
BList* HasSameSizeAs(Area* area);
protected:
Area(BALMLayout* layout,
LinearSpec* ls, XTab* left, YTab* top,
XTab* right, YTab* bottom, BView* content,
BSize minContentSize);
Area(BALMLayout* layout,
LinearSpec* ls, Row* row, Column* column,
BView* content, BSize minContentSize);
void DoLayout();
private:
void InitChildArea();
void UpdateHorizontal();
void UpdateVertical();
void Init(BALMLayout* layout,
LinearSpec* 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:
// TODO remove the layout pointer when making Area a LayoutItem
BALMLayout* fALMLayout;
LinearSpec* 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 fPreferredContentSize;
BSize fShrinkPenalties;
BSize fGrowPenalties;
double fContentAspectRatio;
Constraint* fContentAspectRatioC;
bool fAutoPreferredContentSize;
Constraint* fPreferredContentWidth;
Constraint* fPreferredContentHeight;
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