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annotate widgets/Fader.h @ 35:10ba9276a315

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* Add TextModel and TextLayer types * Make View refresh work better when editing a model (previously edits might not be refreshed if their visible changed area extended beyond the strict frame range that was being modified in the model) * Add phase-adjusted instantaneous frequency display to spectrogram layer (still a work in progress) * Pull maths aliases out into a separate header in dsp/maths so MathUtilities can be included without introducing them
author Chris Cannam
date Mon, 20 Feb 2006 13:33:36 +0000
parents 37b110168acf
children 01ab51f72e84
rev   line source
Chris@0 1 /* -*- c-basic-offset: 4 -*- vi:set ts=8 sts=4 sw=4: */
Chris@0 2
Chris@0 3 /*
Chris@0 4 A waveform viewer and audio annotation editor.
Chris@5 5 Chris Cannam, Queen Mary University of London, 2005-2006
Chris@0 6
Chris@0 7 This is experimental software. Not for distribution.
Chris@0 8 */
Chris@0 9
Chris@0 10 #ifndef FADER_H
Chris@0 11 #define FADER_H
Chris@0 12
Chris@0 13 /**
Chris@0 14 * Horizontal audio fader and meter widget.
Chris@0 15 * Based on the vertical fader and meter widget from:
Chris@0 16 *
Chris@0 17 * Hydrogen
Chris@0 18 * Copyright(c) 2002-2005 by Alex >Comix< Cominu [comix@users.sourceforge.net]
Chris@0 19 *
Chris@0 20 * http://www.hydrogen-music.org
Chris@0 21 *
Chris@0 22 * This program is free software; you can redistribute it and/or modify
Chris@0 23 * it under the terms of the GNU General Public License as published by
Chris@0 24 * the Free Software Foundation; either version 2 of the License, or
Chris@0 25 * (at your option) any later version.
Chris@0 26 *
Chris@0 27 * This program is distributed in the hope that it will be useful,
Chris@0 28 * but WITHOUT ANY WARRANTY, without even the implied warranty of
Chris@0 29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Chris@0 30 * GNU General Public License for more details.
Chris@0 31 *
Chris@0 32 * You should have received a copy of the GNU General Public License
Chris@0 33 * along with this program; if not, write to the Free Software
Chris@0 34 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Chris@0 35 *
Chris@0 36 * $Id: Fader.h,v 1.14 2005/08/10 08:03:30 comix Exp $
Chris@0 37 */
Chris@0 38
Chris@0 39
Chris@0 40 #include <string>
Chris@0 41 #include <iostream>
Chris@0 42
Chris@0 43 #include <QWidget>
Chris@0 44 #include <QPixmap>
Chris@0 45 #include <QMouseEvent>
Chris@0 46 #include <QWheelEvent>
Chris@0 47 #include <QPaintEvent>
Chris@0 48
Chris@0 49 class Fader : public QWidget
Chris@0 50 {
Chris@0 51 Q_OBJECT
Chris@0 52
Chris@0 53 public:
Chris@0 54 Fader(QWidget *parent, bool withoutKnob = false);
Chris@0 55 ~Fader();
Chris@0 56
Chris@0 57 void setValue(float newValue);
Chris@0 58 float getValue();
Chris@0 59
Chris@0 60 void setPeakLeft(float);
Chris@0 61 float getPeakLeft() { return m_peakLeft; }
Chris@0 62
Chris@0 63 void setPeakRight(float);
Chris@0 64 float getPeakRight() { return m_peakRight; }
Chris@0 65
Chris@0 66 virtual void mousePressEvent(QMouseEvent *ev);
Chris@0 67 virtual void mouseDoubleClickEvent(QMouseEvent *ev);
Chris@0 68 virtual void mouseMoveEvent(QMouseEvent *ev);
Chris@0 69 virtual void wheelEvent( QWheelEvent *ev );
Chris@0 70 virtual void paintEvent(QPaintEvent *ev);
Chris@0 71
Chris@0 72 signals:
Chris@0 73 void valueChanged(float); // 0.0 -> 1.0
Chris@0 74
Chris@0 75 private:
Chris@0 76 bool m_withoutKnob;
Chris@0 77 float m_value;
Chris@0 78 float m_peakLeft;
Chris@0 79 float m_peakRight;
Chris@0 80
Chris@0 81 QPixmap m_back;
Chris@0 82 QPixmap m_leds;
Chris@0 83 QPixmap m_knob;
Chris@0 84 QPixmap m_clip;
Chris@0 85 };
Chris@0 86
Chris@0 87 #endif