/***************************************************************************
* Copyright (C) 2006-2010 by Ilya Kotov *
* forkotov02@hotmail.ru *
* *
* This program 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. *
* *
* This program 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 this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <QSettings>
#include <QEvent>
#include <QMenu>
#include <QInputDialog>
#include <QCloseEvent>
#include <QFile>
#include <qmmpui/filedialog.h>
#include <qmmp/soundcore.h>
#include "skin.h"
#include "eqslider.h"
#include "eqtitlebar.h"
#include "togglebutton.h"
#include "eqgraph.h"
#include "button.h"
#include "eqpreset.h"
#include "preseteditor.h"
#include "mainwindow.h"
#include "playlist.h"
#include "windowsystem.h"
#include "eqwidget.h"
EqWidget::EqWidget (QWidget *parent)
: PixmapWidget (parent)
{
setWindowTitle(tr("Equalizer"));
m_shaded = false;
m_skin = Skin::instance();
setPixmap (m_skin->getEqPart (Skin::EQ_MAIN));
setCursor (m_skin->getCursor (Skin::CUR_EQNORMAL));
m_titleBar = new EqTitleBar (this);
m_titleBar->move (0,0);
connect (m_skin, SIGNAL (skinChanged()), this, SLOT (updateSkin()));
m_preamp = new EqSlider (this);
connect (m_preamp,SIGNAL (sliderMoved (double)),SLOT (writeEq()));
m_on = new ToggleButton (this,Skin::EQ_BT_ON_N,Skin::EQ_BT_ON_P, Skin::EQ_BT_OFF_N,Skin::EQ_BT_OFF_P);
connect (m_on, SIGNAL (clicked(bool)), SLOT(writeEq()));
m_autoButton = new ToggleButton(this, Skin::EQ_BT_AUTO_1_N, Skin::EQ_BT_AUTO_1_P,
Skin::EQ_BT_AUTO_0_N, Skin::EQ_BT_AUTO_0_P);
m_eqg = new EQGraph(this);
m_presetsMenu = new QMenu(this);
m_presetButton = new Button (this, Skin::EQ_BT_PRESETS_N, Skin::EQ_BT_PRESETS_P, Skin::CUR_EQNORMAL);
connect(m_presetButton, SIGNAL(clicked()), SLOT(showPresetsMenu()));
connect(SoundCore::instance(), SIGNAL(eqSettingsChanged()), SLOT(readEq()));
for (int i = 0; i<10; ++i)
{
m_sliders << new EqSlider (this);
connect (m_sliders.at (i), SIGNAL (sliderMoved (double)),SLOT (writeEq()));
}
readSettings();
createActions();
updatePositions();
updateMask();
connect(SoundCore::instance(), SIGNAL(volumeChanged(int, int)), m_titleBar, SLOT(setVolume(int, int)));
#ifdef Q_WS_X11
QString wm_name = WindowSystem::netWindowManagerName();
if(wm_name.contains("metacity", Qt::CaseInsensitive) ||
wm_name.contains("openbox", Qt::CaseInsensitive))
setWindowFlags (Qt::Tool | Qt::FramelessWindowHint);
else
#endif
setWindowFlags (Qt::Dialog | Qt::FramelessWindowHint);
}
EqWidget::~EqWidget()
{
while (!m_presets.isEmpty())
delete m_presets.takeFirst();
while (!m_autoPresets.isEmpty())
delete m_autoPresets.takeFirst();
}
void EqWidget::updatePositions()
{
int r = m_skin->ratio();
m_preamp->move (21*r,38*r);
m_on->move (14*r,18*r);
m_autoButton->move(39*r,18*r);
m_eqg->move(87*r,17*r);
m_presetButton->move(217*r,18*r);
for (int i = 0; i < 10; ++i)
m_sliders.at (i)->move ((78+i*18)*r,38*r);
}
void EqWidget::changeEvent (QEvent * event)
{
if (event->type() == QEvent::ActivationChange)
{
m_titleBar->setActive(isActiveWindow());
}
}
void EqWidget::closeEvent (QCloseEvent* e)
{
if (e->spontaneous ())
emit closed();
writeSettings();
}
void EqWidget::updateSkin()
{
m_titleBar->setActive (false);
setPixmap (m_skin->getEqPart (Skin::EQ_MAIN));
setCursor (m_skin->getCursor (Skin::CUR_EQNORMAL));
setMimimalMode(m_shaded);
updatePositions();
}
void EqWidget::setMimimalMode(bool b)
{
m_shaded = b;
int r = m_skin->ratio();
if(m_shaded)
resize(r*275,r*14);
else
resize(r*275,r*116);
updateMask();
}
void EqWidget::readSettings()
{
QSettings settings (Qmmp::configFile(), QSettings::IniFormat);
move (settings.value ("Skinned/eq_pos", QPoint (100, 216)).toPoint()); //geometry
readEq();
//equalizer presets
QString preset_path = QDir::homePath() +"/.qmmp/eq.preset";
if(!QFile::exists(preset_path))
preset_path = ":/skinned/eq.preset";
QSettings eq_preset (preset_path, QSettings::IniFormat);
for (int i = 1; true; ++i)
{
if (eq_preset.contains("Presets/Preset"+QString("%1").arg(i)))
{
QString name = eq_preset.value(QString("Presets/Preset%1").arg(i), tr("preset")).toString();
EQPreset *preset = new EQPreset();
preset->setText(name);
eq_preset.beginGroup(name);
for (int j = 0; j < 10; ++j)
{
preset->setGain(j,eq_preset.value(QString("Band%1").arg(j), 0).toDouble());
}
preset->setPreamp(eq_preset.value("Preamp",0).toDouble());
m_presets.append(preset);
eq_preset.endGroup();
}
else
break;
}
//equalizer auto-load presets
QSettings eq_auto (QDir::homePath() +"/.qmmp/eq.auto_preset", QSettings::IniFormat);
for (int i = 1; true; ++i)
{
if (eq_auto.contains(QString("Presets/Preset%1").arg(i)))
{
QString name = eq_auto.value(QString("Presets/Preset%1").arg(i), tr("preset")).toString();
EQPreset *preset = new EQPreset();
preset->setText(name);
eq_auto.beginGroup(name);
for (int j = 0; j < 10; ++j)
{
preset->setGain(j,eq_auto.value(QString("Band%1").arg(j), 0).toDouble());
}
preset->setPreamp(eq_auto.value("Preamp",0).toDouble());
m_autoPresets.append(preset);
eq_auto.endGroup();
}
else
break;
}
}
void EqWidget::writeSettings()
{
QSettings settings (Qmmp::configFile(), QSettings::IniFormat);
settings.setValue ("Skinned/eq_pos", this->pos()); //geometry
//equalizer presets
QSettings eq_preset (QDir::homePath() +"/.qmmp/eq.preset", QSettings::IniFormat);
eq_preset.clear ();
for (int i = 0; i < m_presets.size(); ++i)
{
eq_preset.setValue(QString("Presets/Preset%1").arg(i+1), m_presets.at(i)->text());
eq_preset.beginGroup(m_presets.at(i)->text());
for (int j = 0; j < 10; ++j)
{
eq_preset.setValue(QString("Band%1").arg(j),m_presets.at(i)->gain(j));
}
eq_preset.setValue("Preamp",m_presets.at(i)->preamp());
eq_preset.endGroup();
}
//equalizer auto-load presets
QSettings eq_auto (QDir::homePath() +"/.qmmp/eq.auto_preset", QSettings::IniFormat);
eq_auto.clear();
for (int i = 0; i < m_autoPresets.size(); ++i)
{
eq_auto.setValue("Presets/Preset"+QString("%1").arg(i+1),
m_autoPresets.at(i)->text());
eq_auto.beginGroup(m_autoPresets.at(i)->text());
for (int j = 0; j < 10; ++j)
{
eq_auto.setValue(QString("Band%1").arg(j),m_autoPresets.at(i)->gain(j));
}
eq_auto.setValue("Preamp",m_autoPresets.at(i)->preamp());
eq_auto.endGroup();
}
}
void EqWidget::readEq()
{
m_eqg->clear();
EqSettings eqSettings = SoundCore::instance()->eqSettings();
if(eqSettings.bands() != 10)
{
m_on->setChecked(false);
return;
}
m_preamp->setValue(eqSettings.preamp());
for (int i=0; i<10; ++i)
{
m_sliders.at(i)->setValue(eqSettings.gain(i));
m_eqg->addValue(m_sliders.at(i)->value());
}
m_on->setChecked(eqSettings.isEnabled());
}
void EqWidget::writeEq()
{
m_eqg->clear();
EqSettings eqSettings;
eqSettings.setPreamp(m_preamp->value());
for (int i=0; i<10; ++i)
{
eqSettings.setGain(i,m_sliders.at(i)->value());
m_eqg->addValue(m_sliders.at(i)->value());
}
eqSettings.setEnabled(m_on->isChecked());
SoundCore::instance()->setEqSettings(eqSettings);
}
void EqWidget::createActions()
{
m_presetsMenu->addAction(tr("&Load/Delete"),this, SLOT(showEditor()));
m_presetsMenu->addSeparator();
m_presetsMenu->addAction(QIcon::fromTheme("document-save"), tr("&Save Preset"),
this, SLOT(savePreset()));
m_presetsMenu->addAction(QIcon::fromTheme("document-save"), tr("&Save Auto-load Preset"),
this, SLOT(saveAutoPreset()));
m_presetsMenu->addAction(QIcon::fromTheme("document-open"), tr("&Import"),
this, SLOT(importWinampEQF()));
m_presetsMenu->addSeparator();
m_presetsMenu->addAction(QIcon::fromTheme("edit-clear"), tr("&Clear"), this, SLOT(reset()));
}
void EqWidget::showPresetsMenu()
{
m_presetsMenu->exec(m_presetButton->mapToGlobal(QPoint(0, 0)));
}
void EqWidget::reset()
{
for (int i = 0; i < m_sliders.size(); ++i)
m_sliders.at(i)->setValue(0);
m_preamp->setValue(0);
writeEq();
}
void EqWidget::showEditor()
{
PresetEditor *editor = new PresetEditor(this);
editor->addPresets(m_presets);
editor->addAutoPresets(m_autoPresets);
connect (editor, SIGNAL(presetLoaded(EQPreset*)), SLOT(setPreset(EQPreset*)));
connect (editor, SIGNAL(presetDeleted(EQPreset*)), SLOT(deletePreset(EQPreset*)));
editor->show();
}
void EqWidget::savePreset()
{
bool ok;
QString text = QInputDialog::getText(this, tr("Saving Preset"),
tr("Preset name:"), QLineEdit::Normal,
tr("preset #")+QString("%1").arg(m_presets.size()+1), &ok);
if (ok)
{
EQPreset* preset = new EQPreset;
preset->setText(text);
preset->setPreamp(m_preamp->value());
for (int i = 0; i<10; ++i)
preset->setGain(i, m_sliders.at (i)->value());
foreach(EQPreset *p, m_presets) //remove preset with same name
{
if (p->text() == text)
{
m_presets.removeAll(p);
delete p;
}
}
m_presets.append(preset);
}
}
void EqWidget::saveAutoPreset()
{
PlayList* playlist = qobject_cast<MainWindow*>(parent())->playlist();
if (!playlist->currentItem())
return;
//delete preset if it already exists
EQPreset* preset = findPreset(playlist->currentItem()->url().section("/",-1));
if (preset)
deletePreset(preset);
//create new preset
preset = new EQPreset();
preset->setText(playlist->currentItem()->url().section("/",-1));
preset->setPreamp(m_preamp->value());
for (int i = 0; i<10; ++i)
{
preset->setGain(i, m_sliders.at (i)->value());
}
m_autoPresets.append(preset);
}
void EqWidget::setPreset(EQPreset* preset)
{
for (int i = 0; i<10; ++i)
m_sliders.at(i)->setValue(preset->gain(i));
m_preamp->setValue(preset->preamp());
writeEq();
}
void EqWidget::deletePreset(EQPreset* preset)
{
int p = m_presets.indexOf(preset);
if (p != -1)
{
delete m_presets.takeAt(p);
return;
}
p = m_autoPresets.indexOf(preset);
if (p != -1)
{
delete m_autoPresets.takeAt(p);
return;
}
}
void EqWidget::loadPreset(const QString &name)
{
if (m_autoButton->isChecked())
{
EQPreset *preset = findPreset(name);
if (preset)
setPreset(preset);
else
reset();
}
}
EQPreset *EqWidget::findPreset(const QString &name)
{
foreach(EQPreset *preset, m_autoPresets)
{
if (preset->text() == name)
return preset;
}
return 0;
}
void EqWidget::importWinampEQF()
{
char header[31];
char name[257];
char bands[11];
QString path = FileDialog::getOpenFileName(this, tr("Import Preset"),
QDir::homePath(),
QString("Winamp EQF (*.q1)"));
QFile file(path);
file.open(QIODevice::ReadOnly);
file.read (header, 31);
if (QString::fromAscii(header).contains("Winamp EQ library file v1.1"))
{
while (file.read (name, 257))
{
EQPreset* preset = new EQPreset;
preset->setText(QString::fromAscii(name));
file.read(bands,11);
for (int i = 0; i<10; ++i)
{
preset->setGain(i, 20 - bands[i]*40/64);
}
preset->setPreamp(20 - bands[10]*40/64);
m_presets.append(preset);
}
}
file.close();
}
void EqWidget::keyPressEvent (QKeyEvent *ke)
{
QKeyEvent event = QKeyEvent(ke->type(), ke->key(),
ke->modifiers(), ke->text(),ke->isAutoRepeat(), ke->count());
QApplication::sendEvent(qobject_cast<MainWindow*>(parent())->playlist(), &event);
}
#ifdef Q_WS_X11
bool EqWidget::event (QEvent *event)
{
if(event->type() == QEvent::WinIdChange || event->type() == QEvent::Show)
{
WindowSystem::ghostWindow(winId());
WindowSystem::setWinHint(winId(), "equalizer", "Qmmp");
}
return QWidget::event(event);
}
#endif
void EqWidget::updateMask()
{
clearMask();
setMask(QRegion(0,0,width(),height()));
QRegion region = m_skin->getRegion(m_shaded? Skin::EQUALIZER_WS : Skin::EQUALIZER);
if (!region.isEmpty())
setMask(region);
}
