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132 lines
3.3 KiB
132 lines
3.3 KiB
/* -*- mode: C++ ; c-file-style: "stroustrup" -*- ***************************** |
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* Qwt Widget Library |
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* Copyright (C) 1997 Josef Wilgen |
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* Copyright (C) 2002 Uwe Rathmann |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the Qwt License, Version 1.0 |
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*****************************************************************************/ |
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#ifndef QWT_SCALE_WIDGET_H |
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#define QWT_SCALE_WIDGET_H |
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#include <qwidget.h> |
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#include <qfont.h> |
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#include <qcolor.h> |
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#include <qstring.h> |
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#include "qwt_global.h" |
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#include "qwt_text.h" |
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#include "qwt_scale_draw.h" |
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class QPainter; |
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class QwtScaleTransformation; |
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class QwtScaleDiv; |
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class QwtColorMap; |
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/*! |
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\brief A Widget which contains a scale |
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This Widget can be used to decorate composite widgets with |
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a scale. |
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*/ |
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class QWT_EXPORT QwtScaleWidget : public QWidget |
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{ |
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Q_OBJECT |
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public: |
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explicit QwtScaleWidget(QWidget *parent = NULL); |
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#if QT_VERSION < 0x040000 |
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explicit QwtScaleWidget(QWidget *parent, const char *name); |
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#endif |
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explicit QwtScaleWidget(QwtScaleDraw::Alignment, QWidget *parent = NULL); |
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virtual ~QwtScaleWidget(); |
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signals: |
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//! Signal emitted, whenever the scale divison changes |
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void scaleDivChanged(); |
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public: |
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void setTitle(const QString &title); |
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void setTitle(const QwtText &title); |
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QwtText title() const; |
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void setBorderDist(int start, int end); |
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int startBorderDist() const; |
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int endBorderDist() const; |
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void getBorderDistHint(int &start, int &end) const; |
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void getMinBorderDist(int &start, int &end) const; |
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void setMinBorderDist(int start, int end); |
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void setMargin(int); |
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int margin() const; |
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void setSpacing(int td); |
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int spacing() const; |
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void setPenWidth(int); |
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int penWidth() const; |
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void setScaleDiv(QwtScaleTransformation *, const QwtScaleDiv &sd); |
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void setScaleDraw(QwtScaleDraw *); |
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const QwtScaleDraw *scaleDraw() const; |
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QwtScaleDraw *scaleDraw(); |
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#if QT_VERSION < 0x040000 |
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void setLabelAlignment(int); |
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#else |
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void setLabelAlignment(Qt::Alignment); |
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#endif |
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void setLabelRotation(double rotation); |
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void setColorBarEnabled(bool); |
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bool isColorBarEnabled() const; |
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void setColorBarWidth(int); |
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int colorBarWidth() const; |
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void setColorMap(const QwtDoubleInterval &, const QwtColorMap &); |
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QwtDoubleInterval colorBarInterval() const; |
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const QwtColorMap &colorMap() const; |
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virtual QSize sizeHint() const; |
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virtual QSize minimumSizeHint() const; |
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int titleHeightForWidth(int width) const; |
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int dimForLength(int length, const QFont &scaleFont) const; |
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void drawColorBar(QPainter *painter, const QRect &rect) const; |
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void drawTitle(QPainter *painter, QwtScaleDraw::Alignment, |
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const QRect &rect) const; |
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void setAlignment(QwtScaleDraw::Alignment); |
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QwtScaleDraw::Alignment alignment() const; |
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QRect colorBarRect(const QRect&) const; |
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protected: |
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virtual void paintEvent(QPaintEvent *e); |
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virtual void resizeEvent(QResizeEvent *e); |
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#if QT_VERSION < 0x040000 |
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virtual void fontChange(const QFont &oldfont); |
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#endif |
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void draw(QPainter *p) const; |
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void scaleChange(); |
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void layoutScale( bool update = true ); |
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private: |
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void initScale(QwtScaleDraw::Alignment); |
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class PrivateData; |
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PrivateData *d_data; |
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}; |
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#endif
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