annotate widgets/LEDButton.h @ 365:26ce2fb7bcbf

* Ensure waveforms are strictly correct even when using a non-power-of-two non-power-of-sqrt-two block size with cacheing off and painting only small areas at a time
author Chris Cannam
date Thu, 07 Feb 2008 15:25:05 +0000
parents 5b7472db612b
children f4960f8ce798
rev   line source
Chris@58 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@32 2
Chris@32 3 /*
Chris@59 4 Sonic Visualiser
Chris@59 5 An audio file viewer and annotation editor.
Chris@59 6 Centre for Digital Music, Queen Mary, University of London.
Chris@32 7
Chris@59 8 This program is free software; you can redistribute it and/or
Chris@59 9 modify it under the terms of the GNU General Public License as
Chris@59 10 published by the Free Software Foundation; either version 2 of the
Chris@59 11 License, or (at your option) any later version. See the file
Chris@59 12 COPYING included with this distribution for more information.
Chris@32 13 */
Chris@32 14
Chris@32 15 /*
Chris@32 16 This is a modified version of a source file from the KDE
Chris@32 17 libraries. Copyright (c) 1998-2004 Jörg Habenicht, Richard J
Chris@32 18 Moore and others, distributed under the GNU Lesser General Public
Chris@32 19 License.
Chris@32 20
Chris@32 21 Ported to Qt4 by Chris Cannam.
Chris@32 22
Chris@32 23 The original KDE widget comes in round and rectangular and flat,
Chris@32 24 raised, and sunken variants. This version retains only the round
Chris@33 25 sunken variant. This version also implements a simple button API.
Chris@32 26 */
Chris@32 27
Chris@32 28 #ifndef _LED_BUTTON_H_
Chris@32 29 #define _LED_BUTTON_H_
Chris@32 30
Chris@32 31 #include <QWidget>
Chris@32 32
Chris@32 33 class QColor;
Chris@32 34
Chris@32 35 class LEDButton : public QWidget
Chris@32 36 {
Chris@32 37 Q_OBJECT
Chris@32 38 Q_PROPERTY(QColor color READ color WRITE setColor)
Chris@32 39 Q_PROPERTY(int darkFactor READ darkFactor WRITE setDarkFactor)
Chris@32 40
Chris@32 41 public:
Chris@32 42 LEDButton(QWidget *parent = 0);
Chris@32 43 LEDButton(const QColor &col, QWidget *parent = 0);
Chris@34 44 LEDButton(const QColor& col, bool state, QWidget *parent = 0);
Chris@32 45 ~LEDButton();
Chris@32 46
Chris@34 47 bool state() const;
Chris@32 48 QColor color() const;
Chris@32 49 int darkFactor() const;
Chris@32 50
Chris@32 51 virtual QSize sizeHint() const;
Chris@32 52 virtual QSize minimumSizeHint() const;
Chris@32 53
Chris@33 54 signals:
Chris@33 55 void stateChanged(bool);
Chris@33 56
Chris@189 57 void mouseEntered();
Chris@189 58 void mouseLeft();
Chris@189 59
Chris@32 60 public slots:
Chris@32 61 void toggle();
Chris@32 62 void on();
Chris@32 63 void off();
Chris@32 64
Chris@34 65 void setState(bool);
Chris@34 66 void toggleState();
Chris@34 67 void setColor(const QColor& color);
Chris@34 68 void setDarkFactor(int darkfactor);
Chris@34 69
Chris@32 70 protected:
Chris@32 71 void paintEvent(QPaintEvent *);
Chris@33 72 void mousePressEvent(QMouseEvent *);
Chris@189 73 void enterEvent(QEvent *);
Chris@189 74 void leaveEvent(QEvent *);
Chris@32 75
Chris@34 76 bool led_state;
Chris@32 77 QColor led_color;
Chris@32 78
Chris@32 79 class LEDButtonPrivate;
Chris@32 80 LEDButtonPrivate *d;
Chris@32 81 };
Chris@32 82
Chris@32 83 #endif