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/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
* Qwt Widget Library
* Copyright (C) 1997 Josef Wilgen
* Copyright (C) 2002 Uwe Rathmann
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the Qwt License, Version 1.0
*****************************************************************************/
// vim: expandtab
#ifndef QWT_SCALE_H
#define QWT_SCALE_H
#include <qwidget.h>
#include <qfont.h>
#include <qcolor.h>
#include <qstring.h>
#include "qwt_global.h"
#include "qwt_scldiv.h"
#include "qwt_scldraw.h"
class QPainter;
class QwtText;
/*!
\brief A Widget which contains a scale
This Widget can be used to decorate composite widgets with
a scale.
*/
class QWT_EXPORT QwtScale : public QWidget
{
Q_OBJECT
Q_ENUMS(Position)
Q_PROPERTY( Position position READ position WRITE setPosition )
Q_PROPERTY( QString title READ title WRITE setTitle )
Q_PROPERTY( QFont titleFont READ titleFont WRITE setTitleFont )
Q_PROPERTY( QColor titleColor READ titleColor WRITE setTitleColor )
public:
/*!
Position of the scale
\sa QwtScale::QwtScale
*/
enum Position { Left, Right, Top, Bottom };
QwtScale(QWidget *parent = 0, const char *name = 0);
QwtScale(Position, QWidget *parent = 0, const char *name = 0);
virtual ~QwtScale();
void setTitle(const QString &title);
const QString title() const;
void setTitleColor(const QColor &c);
const QColor titleColor() const;
void setTitleFont(const QFont &f);
const QFont titleFont() const;
void setTitleAlignment(int flags);
int titleAlignment() const;
void setBorderDist(int start, int end);
int startBorderDist() const;
int endBorderDist() const;
void minBorderDist(int &start, int &end) const;
void setBaselineDist(int bd);
int baseLineDist() const;
void setTitleDist(int td);
int titleDist() const;
void setScaleDiv(const QwtScaleDiv &sd);
void setScaleDraw(QwtScaleDraw *);
const QwtScaleDraw *scaleDraw() const;
void setLabelFormat(char f, int prec, int fieldWidth);
void labelFormat(char &f, int &prec, int &fieldWidth) const;
void setLabelAlignment(int align);
void setLabelRotation(double rotation);
virtual QSize sizeHint() const;
virtual QSize minimumSizeHint() const;
virtual QSizePolicy sizePolicy() const;
int titleHeightForWidth(int width) const;
int dimForLength(int length, const QFontMetrics &scaleFontMetrics ) const;
void drawTitle(QPainter *painter, QwtScaleDraw::Orientation o,
const QRect &rect) const;
void setPosition(Position o);
Position position() const;
protected:
void draw(QPainter *p) const;
void paintEvent(QPaintEvent *e);
void resizeEvent(QResizeEvent *e);
void scaleChange();
void fontChange(const QFont &oldfont);
void layoutScale( bool update = TRUE );
private:
void initScale(Position);
QwtScaleDraw *d_scaleDraw;
int d_borderDist[2];
int d_scaleLength;
int d_baseDist;
int d_titleOffset;
int d_titleDist;
QwtText *d_title;
};
#endif
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