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133 lines
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133 lines
0 B
15 years ago
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/* -*- 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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14 years ago
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Q_OBJECT
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15 years ago
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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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