Chris@32: /* -*- c-basic-offset: 4 -*-  vi:set ts=8 sts=4 sw=4: */
Chris@32: 
Chris@32: /*
Chris@32:     A waveform viewer and audio annotation editor.
Chris@32:     Chris Cannam, Queen Mary University of London, 2005-2006
Chris@32:     
Chris@32:     This is experimental software.  Not for distribution.
Chris@32: */
Chris@32: 
Chris@32: /*
Chris@32:     This is a modified version of a source file from the KDE
Chris@32:     libraries.  Copyright (c) 1998-2004 Jörg Habenicht, Richard J
Chris@32:     Moore and others, distributed under the GNU Lesser General Public
Chris@32:     License.
Chris@32: 
Chris@32:     Ported to Qt4 by Chris Cannam.
Chris@32: 
Chris@32:     The original KDE widget comes in round and rectangular and flat,
Chris@32:     raised, and sunken variants.  This version retains only the round
Chris@32:     sunken variant.
Chris@32: */
Chris@32: 
Chris@32: #ifndef _LED_BUTTON_H_
Chris@32: #define _LED_BUTTON_H_
Chris@32: 
Chris@32: #include <QWidget>
Chris@32: 
Chris@32: class QColor;
Chris@32: 
Chris@32: class LEDButton : public QWidget
Chris@32: {
Chris@32:     Q_OBJECT
Chris@32:     Q_ENUMS(State)
Chris@32:     Q_PROPERTY(State state READ state WRITE setState)
Chris@32:     Q_PROPERTY(QColor color READ color WRITE setColor)
Chris@32:     Q_PROPERTY(int darkFactor READ darkFactor WRITE setDarkFactor)
Chris@32: 
Chris@32: public:
Chris@32:     enum State { Off, On };
Chris@32: 
Chris@32:     LEDButton(QWidget *parent = 0);
Chris@32:     LEDButton(const QColor &col, QWidget *parent = 0);
Chris@32:     LEDButton(const QColor& col, LEDButton::State state, QWidget *parent = 0);
Chris@32:     ~LEDButton();
Chris@32: 
Chris@32:     State state() const;
Chris@32:     QColor color() const;
Chris@32:     int darkFactor() const;
Chris@32: 
Chris@32:     void setState(State state);
Chris@32:     void toggleState();
Chris@32:     void setColor(const QColor& color);
Chris@32:     void setDarkFactor(int darkfactor);
Chris@32: 
Chris@32:     virtual QSize sizeHint() const;
Chris@32:     virtual QSize minimumSizeHint() const;
Chris@32: 
Chris@32: public slots:
Chris@32: 
Chris@32:     void toggle();
Chris@32:     void on();
Chris@32:     void off();
Chris@32: 
Chris@32: protected:
Chris@32:     void paintEvent(QPaintEvent *);
Chris@32: 
Chris@32: private:
Chris@32:     State led_state;
Chris@32:     QColor led_color;
Chris@32: 
Chris@32: private:
Chris@32:     class LEDButtonPrivate;
Chris@32:     LEDButtonPrivate *d;
Chris@32: };
Chris@32: 
Chris@32: #endif