diff options
Diffstat (limited to 'src/channel.cc')
| -rw-r--r-- | src/channel.cc | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/src/channel.cc b/src/channel.cc deleted file mode 100644 index 195e2f1..0000000 --- a/src/channel.cc +++ /dev/null @@ -1,169 +0,0 @@ -/*** - This file is part of pavucontrol. - - Copyright 2006-2008 Lennart Poettering - Copyright 2009 Colin Guthrie - - pavucontrol is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 2 of the License, or - (at your option) any later version. - - pavucontrol is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with pavucontrol. If not, see <https://www.gnu.org/licenses/>. -***/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <QGridLayout> -#include <QLabel> -#include <QSlider> -#include <QFontMetrics> -#include "channel.h" -#include "minimalstreamwidget.h" - -constexpr int SLIDER_SNAP = 2; -static inline int paVolume2Percent(pa_volume_t vol) -{ - if (vol > PA_VOLUME_UI_MAX) - vol = PA_VOLUME_UI_MAX; - return qRound(static_cast<double>(vol - PA_VOLUME_MUTED) / PA_VOLUME_NORM * 100); -} - -static inline pa_volume_t percent2PaVolume(int percent) -{ - return PA_VOLUME_MUTED + qRound(static_cast<double>(percent) / 100 * PA_VOLUME_NORM); -} - -/*** ChannelWidget ***/ - -Channel::Channel(QGridLayout* parent) : - QObject(parent), - can_decibel(false), - volumeScaleEnabled(true), - last(false) -{ - channelLabel = new QLabel(nullptr); - volumeScale = new QSlider(Qt::Horizontal, nullptr); - volumeLabel = new QLabel(nullptr); - - const int row = parent->rowCount(); - parent->addWidget(channelLabel, row, 0); - parent->addWidget(volumeScale, row, 1); - parent->addWidget(volumeLabel, row, 2); - - // make the info font smaller - QFont label_font = volumeLabel->font(); - if (label_font.pixelSize() == -1) - label_font.setPointSizeF(label_font.pointSizeF() * 0.8); - else - label_font.setPixelSize(qRound(static_cast<double>(label_font.pixelSize()) * 0.8)); - volumeLabel->setFont(label_font); - volumeLabel->setFixedWidth(QFontMetrics{volumeLabel->font()}.size(Qt::TextSingleLine, QStringLiteral("100%(-99.99dB)")).width()); - volumeLabel->setAlignment(Qt::AlignHCenter); - volumeLabel->setTextFormat(Qt::RichText); - - volumeScale->setRange(paVolume2Percent(PA_VOLUME_MUTED), paVolume2Percent(PA_VOLUME_UI_MAX)); - volumeScale->setValue(paVolume2Percent(PA_VOLUME_NORM)); - volumeScale->setPageStep(5); - volumeScale->setTickInterval(paVolume2Percent(PA_VOLUME_NORM)); - volumeScale->setTickPosition(QSlider::TicksBelow); - volumeScale->setTracking(false); - setBaseVolume(PA_VOLUME_NORM); - - connect(volumeScale, &QSlider::valueChanged, this, &Channel::onVolumeScaleValueChanged); - connect(volumeScale, &QSlider::sliderMoved, this, &Channel::onVolumeScaleSliderMoved); -} - -void Channel::setVolume(pa_volume_t volume) { - const int v = paVolume2Percent(volume); - if (can_decibel) { - const double dB = pa_sw_volume_to_dB(volume); - volumeLabel->setText(tr("%1% (%2dB)", "volume slider label [X% (YdB)]").arg(v) - .arg(dB > PA_DECIBEL_MININFTY ? QString::asprintf("%0.2f", dB) : QStringLiteral("-∞"))); - } - else - volumeLabel->setText(tr("%1%", "volume slider label [X%]").arg(v)); - - volumeScaleEnabled = false; - volumeScale->setValue(v); - volumeScaleEnabled = true; -} - -void Channel::setVisible(bool visible) -{ - channelLabel->setVisible(visible); - volumeScale->setVisible(visible); - volumeLabel->setVisible(visible); -} - -void Channel::setEnabled(bool enabled) -{ - channelLabel->setEnabled(enabled); - volumeScale->setEnabled(enabled); - volumeLabel->setEnabled(enabled); -} - -void Channel::onVolumeScaleValueChanged(int value) { - - if (!volumeScaleEnabled) - return; - - if (minimalStreamWidget->updating) - return; - - minimalStreamWidget->updateChannelVolume(channel, percent2PaVolume(value)); -} - -void Channel::onVolumeScaleSliderMoved(int value) -{ - if (!volumeScaleEnabled) - return; - - if (minimalStreamWidget->updating) - return; - - const int current_value = volumeScale->value(); - if (current_value == 100 && qAbs(value - current_value) <= SLIDER_SNAP) - { - volumeScale->blockSignals(true); - volumeScale->setSliderPosition(current_value); - volumeScale->blockSignals(false); - return; - } - - volumeScale->setValue(value); -} - -/* -void Channel::set_sensitive(bool enabled) { - setEnabled(enabled); - - channelLabel->setEnabled(enabled); - volumeLabel->setEnabled(enabled); - volumeScale->setEnabled(enabled); -} -*/ - -void Channel::setBaseVolume(pa_volume_t /*v*/) { -#if 0 // FIXME: Qt does not support this functionality - gtk_scale_clear_marks(GTK_SCALE(volumeScale->gobj())); - - gtk_scale_add_mark(GTK_SCALE(volumeScale->gobj()), (double)PA_VOLUME_MUTED, (GtkPositionType) GTK_POS_BOTTOM, - last ? (can_decibel ? tr("<small>Silence</small>").toUtf8().constData() : tr("<small>Min</small>").toUtf8().constData()) : NULL); - gtk_scale_add_mark(GTK_SCALE(volumeScale->gobj()), (double)PA_VOLUME_NORM, (GtkPositionType) GTK_POS_BOTTOM, - last ? tr("<small>100% (0dB)</small>").toUtf8().constData() : NULL); - if (v > PA_VOLUME_MUTED && v < PA_VOLUME_NORM) { - gtk_scale_add_mark(GTK_SCALE(volumeScale->gobj()), (double)v, (GtkPositionType) GTK_POS_BOTTOM, - last ? tr("<small><i>Base</i></small>").toUtf8().constData() : NULL); - } -#endif - -} |