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78 lines
2.5 KiB
78 lines
2.5 KiB
15 years ago
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/***************************************************************************
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* Copyright (C) 2005 by David Saxton *
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* david@bluehaze.org *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#ifndef PROBEPOSITIONER_H
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#define PROBEPOSITIONER_H
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#include <qwidget.h>
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class ProbeData;
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typedef QMap< int, ProbeData* > ProbeDataMap;
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const float probeArrowWidth = 9;
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const float probeArrowHeight = 12;
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/**
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Widget for positioning the output of Probes in the OscilloscopeView
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@author David Saxton
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*/
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class ProbePositioner : public QWidget
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{
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Q_OBJECT
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public:
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ProbePositioner(QWidget *parent = 0, const char *name = 0);
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~ProbePositioner();
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/**
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* Returns the amount of space (height in pixels) that a probe output
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* takes up
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*/
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int probeOutputHeight() const;
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/**
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* Returns the probe position (from the top) in pixels that the probe
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* with the given id should be displayed at, or -1 if probe with the
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* given id couldn't be found
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*/
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int probePosition( ProbeData *probeData ) const;
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/**
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* Sets the probe position relative to the top of this widget (and hence
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* relative to the top of the oscilloscope view) in pixels
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*/
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void setProbePosition( ProbeData *probeData, int position );
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/**
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* Returns the probe at the given position (plus or minus an an arrow),
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* or NULL if none. Records the offset of the position from the mouse
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* in m_probePosOffset.
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*/
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ProbeData* probeAtPosition( const QPoint &pos );
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public slots:
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void forceRepaint();
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protected slots:
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void slotProbeDataRegistered( int id, ProbeData *probe );
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void slotProbeDataUnregistered( int id );
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protected:
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virtual void mousePressEvent( QMouseEvent * e );
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virtual void mouseReleaseEvent( QMouseEvent * e );
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virtual void mouseMoveEvent( QMouseEvent * e );
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virtual void paintEvent( QPaintEvent *e );
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virtual void resizeEvent( QResizeEvent *event );
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ProbeDataMap m_probeDataMap;
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ProbeData *p_draggedProbe;
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int m_probePosOffset;
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bool b_needRedraw;
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QPixmap *m_pixmap;
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};
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#endif
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