phonon/phonon/volumeslider_p.h

0001 /*  This file is part of the KDE project
0002     Copyright (C) 2006-2007 Matthias Kretz <kretz@kde.org>
0003
0004     This library is free software; you can redistribute it and/or
0005     modify it under the terms of the GNU Lesser General Public
0006     License as published by the Free Software Foundation; either
0007     version 2.1 of the License, or (at your option) version 3, or any
0008     later version accepted by the membership of KDE e.V. (or its
0009     successor approved by the membership of KDE e.V.), Nokia Corporation
0010     (or its successors, if any) and the KDE Free Qt Foundation, which shall
0011     act as a proxy defined in Section 6 of version 3 of the license.
0012
0013     This library is distributed in the hope that it will be useful,
0014     but WITHOUT ANY WARRANTY; without even the implied warranty of
0015     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0016     Lesser General Public License for more details.
0017
0018     You should have received a copy of the GNU Lesser General Public
0019     License along with this library.  If not, see <http://www.gnu.org/licenses/>.
0020
0021 */
0022
0023 #ifndef VOLUMESLIDER_P_H
0024 #define VOLUMESLIDER_P_H
0025
0026 #include <QPointer>
0027 #include <QBoxLayout>
0028 #include <QIcon>
0029 #include <QLabel>
0030 #include <QPixmap>
0031 #include <QStyle>
0032 #include <QToolButton>
0033
0034 #include "factory_p.h"
0035 #include "phonondefs_p.h"
0036 #include "platform_p.h"
0037 #include "swiftslider_p.h"
0038
0039 #ifndef QT_NO_PHONON_VOLUMESLIDER
0040
0041 namespace Phonon
0042 {
0043 class VolumeSliderPrivate
0044 {
0045     P_DECLARE_PUBLIC(VolumeSlider)
0046     protected:
0047         VolumeSliderPrivate(VolumeSlider *parent)
0048             : q_ptr(parent),
0049             layout(QBoxLayout::LeftToRight, parent),
0050             slider(Qt::Horizontal, parent),
0051             muteButton(parent),
0052             volumeIcon(Platform::icon(QLatin1String("player-volume"), parent->style())),
0053             mutedIcon(Platform::icon(QLatin1String("player-volume-muted"), parent->style())),
0054             output(nullptr),
0055             ignoreVolumeChangeAction(false),
0056             ignoreVolumeChangeObserve(true),
0057             sliderPressed(false)
0058         {
0059             slider.setRange(0, 100);
0060             slider.setPageStep(5);
0061             slider.setSingleStep(1);
0062
0063             muteButton.setIcon(volumeIcon);
0064             muteButton.setAutoRaise(true);
0065             layout.setContentsMargins(QMargins());
0066             layout.setSpacing(2);
0067             layout.addWidget(&muteButton, 0, Qt::AlignVCenter);
0068             layout.addWidget(&slider, 0, Qt::AlignVCenter);
0069
0070             slider.setEnabled(false);
0071             muteButton.setEnabled(false);
0072
0073             if (volumeIcon.isNull()) {
0074                 muteButton.setVisible(false);
0075             }
0076         }
0077
0078         VolumeSlider *q_ptr;
0079
0080         void _k_sliderChanged(int);
0081         void _k_volumeChanged(qreal);
0082         void _k_mutedChanged(bool);
0083         void _k_buttonClicked();
0084         void _k_sliderPressed();
0085         void _k_sliderReleased();
0086
0087     private:
0088         QBoxLayout layout;
0089         SwiftSlider slider;
0090         QToolButton muteButton;
0091         QIcon volumeIcon;
0092         QIcon mutedIcon;
0093
0094         QPointer<AudioOutput> output;
0095         bool ignoreVolumeChangeAction;
0096         bool ignoreVolumeChangeObserve;
0097         bool sliderPressed;
0098 };
0099 } // namespace Phonon
0100
0101 #endif //QT_NO_PHONON_VOLUMESLIDER
0102
0103 #endif // VOLUMESLIDER_P_H
0104 // vim: sw=4 sts=4 et tw=100