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- Made some major changes to the JustAudio project.

Browse Source 
- The majority of user interaction is now in the system tray icon.
There's no longer a traditional user interface window.
- Added a proper application version number, GPL and source code
comments.
- The application will now allow only one instance and will play the
file requested in the arguments in the currently running instance.
- Added mute control.
- Settings are now saved in csv file format instead of idm.
- Several bug fixes.
- Seeker removed for now. (might but it back in the future)
This commit is contained in:
Maurice O'Neal 2017-05-06 16:33:23 -04:00
parent c3ec7e7085
commit 7af2528bfd
37 changed files with 1616 additions and 1755 deletions
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For more information on this, and how to apply and follow the GNU GPL, see
<http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.

41
JustAudio.pro
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@ -2,6 +2,22 @@
#
# Project created by QtCreator 2016-10-01T14:15:33
#
# This file is part of JustAudio.
#
# JustAudio 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 3 of the License, or
# (at your option) any later version.
#
# JustAudio 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 BashWire under the GPL.txt file. If not, see
# <http://www.gnu.org/licenses/>.
#
#-------------------------------------------------
QT += core gui
@ -13,24 +29,15 @@ greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
TARGET = JustAudio
TEMPLATE = app
SOURCES += main.cpp\
gui/ui.cpp\
gui/icon.cpp \
io/aud_file.cpp \
io/conf.cpp \
io/idm.cpp \
io/int.cpp
SOURCES += main.cpp \
aud_file.cpp \
core.cpp
HEADERS += gui/ui.h\
gui/icon.h \
io/aud_file.h \
io/conf.h \
io/idm.h \
io/int.h
HEADERS += \
aud_file.h \
core.h
RESOURCES += icon_files.qrc
RESOURCES += \
res.qrc
RC_FILE = logo.rc
DISTFILES += app_logo.ico \
logo.rc

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158
aud_file.cpp Normal file
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#include "aud_file.h"
// This file is part of JustAudio.
// JustAudio 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 3 of the License, or
// (at your option) any later version.
// JustAudio 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 BashWire under the GPL.txt file. If not, see
// <http://www.gnu.org/licenses/>.
AudFile::AudFile(QObject *parent) : QFile(parent)
{
// QMediaPlayer doesn't handle files with an ID3 tag and variable bitrates that well so
// this class was created to offset the ID3 tags without modifying the audio files and
// to have the GUI rely on the actual byte seek position of the audio track rather than
// the time read by QMediaPlayer.
offset = 0;
v1TagSize = 0;
activeInterupt = false;
timer = new QTimer(this);
timer->setSingleShot(true);
connect(timer, SIGNAL(timeout()), this, SIGNAL(endOfPlayback()));
}
AudFile::~AudFile()
{
close();
}
qint64 AudFile::audSize()
{
return size() - offset - v1TagSize;
}
qint64 AudFile::getOffset()
{
return offset;
}
bool AudFile::openFile(const QString &path)
{
close();
v1TagSize = 0;
offset = 0;
activeInterupt = false;
timer->stop();
setFileName(path);
bool ret = open(QFile::ReadOnly);
if (ret)
{
seek((size() - 1) - 128);
if (peek(3) == "TAG")
{
// find an ID3v1 tag if it has any. the tag always start with "TAG" and appended
// to the end of the file with a fixed length of 128 bytes. v1 tags don't affect
// playback with QMediaPlayer but this info will still be needed in audSize().
v1TagSize = 128;
}
seek(0);
if (peek(3) == "ID3")
{
// find the ID3v2 tag if it has any and set the file offset position to skip over it.
// the tag has a 10byte header that starts with "ID3" and ends with a 4 byte
// big endian integer that indicates the tag size.
QByteArray header = read(10);
QByteArray intBytes = header.mid(6);
quint64 num = 0;
quint64 bit = 1;
offset += 10; // skip header
if (header[5] & 16)
{
// footer flag check. if the tag has a footer, an additional 10bytes need
// to be added to the offset.
offset += 10; // skip footer
}
for (int i = intBytes.size() - 1; i >= 0; --i)
{
// read the integer bit-by-bit, setting the bits in "num" as it goes. note
// that its reading the bytes from "right to left" for big endian format.
int byte = intBytes[i];
for (int inBit = 1; inBit <= 64; inBit *= 2, bit *= 2)
{
if ((byte & inBit) != 0) num |= bit;
}
}
offset += num; // skip tag
}
seek(0);
}
return ret;
}
bool AudFile::seek(qint64 off)
{
// QMediaPlayer constantly seeks the audio file for data while playing. each seek
// resets the endOfPlayback() timer. if that timer is allowed to timeout, that is
// considered finished playback. the player also tend to do another seek after
// being paused so activeInterupt is there to prevent the timer from restarting
// unexpectly after userInterupt() is called.
if (!activeInterupt)
{
timer->stop();
timer->start(5000);
}
emit bytePos(pos());
return QFile::seek(offset + off);
}
void AudFile::userInterupt()
{
// the timer needs to be aware if the user paused or stopped playback. this way
// the endOfPlayback() signal is not called unexpectedly.
activeInterupt = true;
timer->stop();
}
void AudFile::userResume()
{
// after a pause, this class will also need to be aware of a user resume to remove
// the activeInterupt status.
activeInterupt = false;
}

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#ifndef AUD_FILE_H
#define AUD_FILE_H
// This file is part of JustAudio.
// JustAudio 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 3 of the License, or
// (at your option) any later version.
// JustAudio 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 BashWire under the GPL.txt file. If not, see
// <http://www.gnu.org/licenses/>.
#include <QFile>
#include <QObject>
#include <QString>
#include <QTimer>
#include <QStringList>
#include <QMediaPlayer>
class AudFile : public QFile
{
Q_OBJECT
private:
QTimer *timer;
qint64 bytesRead;
qint64 offset;
bool activeInterupt;
int v1TagSize;
public:
AudFile(QObject *parent = 0);
bool openFile(const QString &path);
bool seek(qint64 off);
qint64 getOffset();
qint64 audSize();
~AudFile();
public slots:
void userInterupt();
void userResume();
signals:
void bytePos(qint64 off);
void endOfPlayback();
};
#endif // AUD_FILE_H

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#include "core.h"
// This file is part of JustAudio.
// JustAudio 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 3 of the License, or
// (at your option) any later version.
// JustAudio 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 BashWire under the GPL.txt file. If not, see
// <http://www.gnu.org/licenses/>.
Core::Core(QObject *parent) : QObject(parent)
{
// the Core class acts as a non-gui centralized class that house the majority
// of all functions the application needs to operate.
nextCheck = new QCheckBox(tr("Play files in directory"));
muteCheck = new QCheckBox(tr("Mute"));
volumeSlider = new QSlider(Qt::Horizontal);
currentFile = new QLabel(tr("Ready"));
audFile = new AudFile(this);
sysTray = 0;
// QMediaPlayer volume range 0-100.
volumeSlider->setMinimum(0);
volumeSlider->setMaximum(100);
volumeSlider->setTracking(true);
currentFile->setWordWrap(true);
QFile file(CONFIG_FILE, this);
bool ok = false;
if (file.open(QFile::ReadOnly))
{
// the CONFIG_FILE is formated in csv so all data is seperated by a ','
// the data will simply not load if the strings are not in exactly the
// same order as it was saved.
// data formats:
// VOLUME = numeric string
// PLAY_DIR_CHECK = string ("Y" or "N")
// MUTE = string ("Y" or "N")
QByteArray confData = file.readAll();
QList<QByteArray> split = confData.split(',');
if (split.size() == 3)
{
int volume = split[VOLUME].toInt(&ok);
if (ok)
{
volumeSlider->setValue(volume);
emit setVolume(volume);
if (split[PLAY_DIR_CHECK] == "Y") nextCheck->setChecked(true);
else nextCheck->setChecked(false);
if (split[MUTE] == "Y") muteCheck->setChecked(true);
else muteCheck->setChecked(false);
}
}
}
if (!ok)
{
// set default values on failure to read the CONFIG_FILE.
emit setVolume(50);
volumeSlider->setValue(50);
nextCheck->setChecked(false);
muteCheck->setChecked(false);
}
file.close();
// it's very important that the player stops playback before closing the application
// or it will cause a crash.
connect(audFile, SIGNAL(endOfPlayback()), this, SLOT(playBackFinished()));
connect(QApplication::instance(), SIGNAL(aboutToQuit()), this, SIGNAL(stop()));
}
Core::~Core()
{
audFile->close();
QFile file(CONFIG_FILE, this);
if (file.open(QFile::WriteOnly | QFile::Truncate))
{
// CONFIG_FILE format:
// [volume],[play_dir_check],[mute]
// data formats:
// VOLUME = numeric string
// PLAY_DIR_CHECK = string ("Y" or "N")
// MUTE = string ("Y" or "N")
file.write(QByteArray::number(volumeSlider->value()));
file.write(",");
if (nextCheck->isChecked()) file.write("Y");
else file.write("N");
file.write(",");
if (muteCheck->isChecked()) file.write("Y");
else file.write("N");
}
file.close();
}
void Core::setFileWatcher(QFileSystemWatcher *watcher)
{
connect(watcher, SIGNAL(fileChanged(QString)), this, SLOT(processfileChanged(QString)));
}
void Core::setPlayer(QMediaPlayer *player)
{
// the Core class does not run funtions directly on the QMediaPlayer
// class that lives in the main function so everything it needs to
// do are connected via slots and signals.
connect(this, SIGNAL(start()), player, SLOT(play()));
connect(this, SIGNAL(pause()), player, SLOT(pause()));
connect(this, SIGNAL(stop()), player, SLOT(stop()));
connect(this, SIGNAL(setMedia(QMediaContent,QIODevice*)), player, SLOT(setMedia(QMediaContent,QIODevice*)));
connect(this, SIGNAL(setVolume(int)), player, SLOT(setVolume(int)));
connect(this, SIGNAL(muteState(bool)), player, SLOT(setMuted(bool)));
connect(player, SIGNAL(stateChanged(QMediaPlayer::State)), this, SLOT(stateChanged(QMediaPlayer::State)));
}
void Core::setTrayIcon(QSystemTrayIcon *tray)
{
// must user interaction will be on the system tray icon for this app.
// this funtion sets up the context menu so the user can have access
// to controls like play, pause, next, previous, etc...
QMenu *contextMenu = new QMenu();
QWidget *volumeWidget = new QWidget();
QHBoxLayout *volumeLayout = new QHBoxLayout(volumeWidget);
QWidgetAction *nextCheckAction = new QWidgetAction(this);
QWidgetAction *muteAction = new QWidgetAction(this);
QWidgetAction *volumeAction = new QWidgetAction(this);
QWidgetAction *fileNameAction = new QWidgetAction(this);
QToolButton *volUpIcon = new QToolButton();
QToolButton *volDownIcon = new QToolButton();
fileNameAction->setDefaultWidget(currentFile);
contextMenu->addAction(fileNameAction);
contextMenu->addSeparator();
playAction = contextMenu->addAction(QIcon(":/png/play"), tr("Play"), this, SIGNAL(start()));
pauseAction = contextMenu->addAction(QIcon(":/png/pause"), tr("Pause"), this, SIGNAL(pause()));
stopAction = contextMenu->addAction(QIcon(":/png/stop"), tr("Stop"), this, SIGNAL(stop()));
sysTray = tray;
volUpIcon->setIcon(QIcon(":/png/volume_up"));
volDownIcon->setIcon(QIcon(":/png/volume_down"));
volumeLayout->addWidget(volDownIcon);
volumeLayout->addWidget(volumeSlider);
volumeLayout->addWidget(volUpIcon);
playAction->setEnabled(false); // play, pause, stop, previous and next are disabled initially.
pauseAction->setEnabled(false); // this will change when an audio file is opened
stopAction->setEnabled(false); // (see stateChanged())
volumeAction->setDefaultWidget(volumeWidget);
nextCheckAction->setDefaultWidget(nextCheck);
muteAction->setDefaultWidget(muteCheck);
contextMenu->addAction(QIcon(":/png/open"), tr("Open"), this, SLOT(openDialog()));
nextAction = contextMenu->addAction(QIcon(":/png/next"), tr("Next"), this, SLOT(nextFile()));
prevAction = contextMenu->addAction(QIcon(":/png/prev"), tr("Previous"), this, SLOT(prevFile()));
nextAction->setEnabled(false);
prevAction->setEnabled(false);
contextMenu->addSeparator();
contextMenu->addAction(nextCheckAction);
contextMenu->addAction(muteAction);
contextMenu->addSeparator();
contextMenu->addAction(volumeAction);
contextMenu->addSeparator();
contextMenu->addAction(tr("License"), this, SLOT(showLicense()));
contextMenu->addAction(tr("Exit"), QApplication::instance(), SLOT(quit()));
tray->setContextMenu(contextMenu);
connect(tray, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(trayClicked(QSystemTrayIcon::ActivationReason)));
connect(muteCheck, SIGNAL(clicked(bool)), this, SIGNAL(muteState(bool)));
connect(volumeSlider, SIGNAL(valueChanged(int)), this, SIGNAL(setVolume(int)));
connect(volUpIcon, SIGNAL(clicked()), this, SLOT(volumeUp()));
connect(volDownIcon, SIGNAL(clicked()), this, SLOT(volumeDown()));
connect(pauseAction, SIGNAL(triggered()), audFile, SLOT(userInterupt()));
connect(stopAction, SIGNAL(triggered()), audFile, SLOT(userInterupt()));
connect(playAction, SIGNAL(triggered()), audFile, SLOT(userResume()));
}
void Core::processfileChanged(const QString &path)
{
Q_UNUSED(path);
QFile file(PROCESS_FILE, this);
if (file.open(QFile::ReadOnly))
{
// expected data from the PROCESS_FILE should just be a directory path
// string to the audio file to be opened. play() will call out an error
// if it fails to open this file.
play(file.readAll().trimmed());
}
file.close();
}
void Core::play(const QString &path)
{
emit stop();
if (audFile->openFile(path))
{
QFileInfo info(path);
currentFile->setText(info.fileName());
if (sysTray)
{
sysTray->setToolTip(QApplication::applicationName() + " " + QApplication::applicationVersion() + " - " + info.fileName());
}
emit setMedia(0, audFile);
emit start();
}
else
{
QMessageBox box;
box.setText(tr("Failed to open file: ") + path);
box.setDetailedText(audFile->errorString());
box.exec();
}
}
void Core::nextFile()
{
fileDir('+');
}
void Core::prevFile()
{
fileDir('-');
}
void Core::fileDir(char direction)
{
// using the current file as a reference, this function will first find out the
// directory the file lives in and then use that directory to list all files within
// it. then using the current file as a reference again, it trys to find it in the
// list of files and then use that file position to find out the next or previous
// file in the directory to play.
// if the reference file no longer exist then it will attempt to play 1st file in the
// directory. if the directory no longer exist then nothing happens.
QFileInfo info(audFile->fileName());
QDir dir(info.path());
QStringList list = dir.entryList(audExtensions(), QDir::Files | QDir::Readable, QDir::Name | QDir::IgnoreCase);
int pos = list.indexOf(info.fileName());
if (!list.isEmpty())
{
if (direction == '+') pos++;
else if (direction == '-') pos--;
if (pos < 0) pos = 0;
if (pos < list.size())
{
play(info.path() + QDir::separator() + list[pos]);
}
}
}
void Core::openDialog()
{
QFileDialog fileDialog;
QString filterString = tr("Audio Files (");
QStringList list = audExtensions();
for (int i = 0; i < list.size(); ++i)
{
filterString.append(list[i] + " ");
}
filterString = filterString.trimmed();
filterString.append(")");
fileDialog.setFileMode(QFileDialog::ExistingFile);
fileDialog.setNameFilter(filterString);
fileDialog.setDirectory(QDir::homePath());
if (fileDialog.exec())
{
play(fileDialog.selectedFiles()[0]);
}
}
void Core::playBackFinished()
{
if (nextCheck->isChecked()) nextFile();
}
void Core::stateChanged(QMediaPlayer::State state)
{
mediaState = state;
switch(state)
{
case QMediaPlayer::PlayingState:
{
playAction->setEnabled(false);
pauseAction->setEnabled(true);
stopAction->setEnabled(true);
prevAction->setEnabled(true);
nextAction->setEnabled(true);
break;
}
case QMediaPlayer::StoppedState:
{
playAction->setEnabled(true);
pauseAction->setEnabled(false);
stopAction->setEnabled(false);
break;
}
case QMediaPlayer::PausedState:
{
playAction->setEnabled(true);
pauseAction->setEnabled(false);
stopAction->setEnabled(true);
break;
}
}
}
void Core::trayClicked(QSystemTrayIcon::ActivationReason reason)
{
if (reason == QSystemTrayIcon::DoubleClick)
{
nextAction->trigger();
}
else if (reason == QSystemTrayIcon::Trigger)
{
if (mediaState == QMediaPlayer::PlayingState)
{
pauseAction->trigger();
}
else if ((mediaState == QMediaPlayer::PausedState) || (mediaState == QMediaPlayer::StoppedState))
{
playAction->trigger();
}
}
}
void Core::volumeDown()
{
volumeSlider->setValue(volumeSlider->value() - 4);
}
void Core::volumeUp()
{
volumeSlider->setValue(volumeSlider->value() + 4);
}
void Core::showLicense()
{
QDialog dialog;
QFile file(":/gpl", this);
file.open(QFile::ReadOnly);
QPlainTextEdit *text = new QPlainTextEdit(file.readAll());
QVBoxLayout *layout = new QVBoxLayout(&dialog);
QRect rect = QApplication::desktop()->screenGeometry();
layout->addWidget(text);
text->setReadOnly(true);
text->setWordWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
file.close();
dialog.setMinimumWidth(rect.width() / 4);
dialog.setMinimumHeight(rect.height() - (rect.height() / 6));
dialog.exec();
}
QStringList Core::audExtensions()
{
QStringList ret;
// the media plugins are not checked for file format support. this is just an arbitrary list
// of audio file extentions that are used when filtering for files to play. if a file fails
// to play, the application will remain in silence or move on to the next file if nextCheck
// is enabled.
ret.append("*.mp3");
ret.append("*.ogg");
ret.append("*.flac");
ret.append("*.wav");
ret.append("*.au");
ret.append("*.aif");
ret.append("*.mid");
ret.append("*.rmi");
ret.append("*.m4a");
ret.append("*.aiff");
ret.append("*.ape");
ret.append("*.wv");
ret.append("*.3gp");
ret.append("*.aa");
ret.append("*.aac");
ret.append("*.aax");
ret.append("*.act");
ret.append("*.amr");
ret.append("*.au");
ret.append("*.awb");
ret.append("*.dct");
ret.append("*.gsm");
ret.append("*.m4b");
ret.append("*.oga");
ret.append("*.mogg");
ret.append("*.ra");
ret.append("*.rm");
ret.append("*.raw");
return ret;
}

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#ifndef CORE_H
#define CORE_H
// This file is part of JustAudio.
// JustAudio 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 3 of the License, or
// (at your option) any later version.
// JustAudio 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 BashWire under the GPL.txt file. If not, see
// <http://www.gnu.org/licenses/>.
#include <QAction>
#include <QObject>
#include <QMediaContent>
#include <QIODevice>
#include <QMessageBox>
#include <QStringList>
#include <QFileInfo>
#include <QList>
#include <QFileDialog>
#include <QAction>
#include <QIcon>
#include <QSystemTrayIcon>
#include <QMediaPlayer>
#include <QFileSystemWatcher>
#include <QMenu>
#include <QApplication>
#include <QCheckBox>
#include <QWidgetAction>
#include <QSlider>
#include <QHBoxLayout>
#include <QLabel>
#include <QToolButton>
#include <QDialog>
#include <QVBoxLayout>
#include <QPlainTextEdit>
#include <QTextOption>
#include <QDesktopWidget>
#include <QRect>
#include "aud_file.h"
#define SEGMENT_SIZE 10
#define PROCESS_FILE "process.txt"
#define CONFIG_FILE "conf.csv"
class Core : public QObject
{
Q_OBJECT
private:
enum ConfValues
{
VOLUME,
PLAY_DIR_CHECK,
MUTE
};
AudFile *audFile;
QAction *playAction;
QAction *pauseAction;
QAction *stopAction;
QAction *nextAction;
QAction *prevAction;
QCheckBox *nextCheck;
QCheckBox *muteCheck;
QSlider *volumeSlider;
QLabel *currentFile;
QSystemTrayIcon *sysTray;
int mediaState;
void fileDir(char direction);
QStringList audExtensions();
private slots:
void trayClicked(QSystemTrayIcon::ActivationReason reason);
void stateChanged(QMediaPlayer::State state);
void processfileChanged(const QString &path);
void nextFile();
void prevFile();
void playBackFinished();
void openDialog();
void volumeUp();
void volumeDown();
void showLicense();
public:
void setTrayIcon(QSystemTrayIcon *tray);
void setPlayer(QMediaPlayer *player);
void setFileWatcher(QFileSystemWatcher *watcher);
void play(const QString &path);
Core(QObject *parent = 0);
~Core();
signals:
void start();
void pause();
void stop();
void setMedia(const QMediaContent &media, QIODevice *stream);
void setVolume(int value);
void muteState(bool state);
};
#endif // CORE_H

164
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#include "icon.h"
Icon::Icon(IconType t, QWidget *parent) : QToolButton(parent)
{
QRect rect = QApplication::desktop()->screenGeometry();
setMinimumHeight(rect.height() / 40);
setMinimumWidth(rect.height() / 40);
setCursor(Qt::PointingHandCursor);
setToolButtonStyle(Qt::ToolButtonIconOnly);
setPopupMode(QToolButton::InstantPopup);
switch (t)
{
case PAUSE_PLAY:
{
stateChanged(QMediaPlayer::StoppedState);
setToolTip(tr("Pause/Play"));
break;
}
case MENU:
{
loadImg(":/svg/menu");
setToolTip(tr("Menu"));
break;
}
case OPEN:
{
loadImg(":/svg/open");
setToolTip(tr("Open File"));
break;
}
case STOP:
{
loadImg(":/svg/stop");
setToolTip(tr("Stop"));
break;
}
case PREV:
{
loadImg(":/svg/prev");
setToolTip(tr("Previous File"));
break;
}
case NEXT:
{
loadImg(":/svg/next");
setToolTip(tr("Next File"));
break;
}
case VOL_UP:
{
loadImg(":/svg/volume_up");
setToolTip(tr("Volume Up"));
break;
}
case VOL_DOWN:
{
loadImg(":/svg/volume_down");
setToolTip(tr("Volume Down"));
break;
}
case RESTORE:
{
loadImg(":/svg/restore");
setToolTip(tr("Restore"));
break;
}
}
if (t != MENU)
{
connect(this, SIGNAL(clicked()), this, SLOT(buttonClicked()));
}
type = t;
volSlider = 0;
}
void Icon::buttonClicked()
{
if (type == PAUSE_PLAY)
{
if (playerState == QMediaPlayer::PlayingState)
{
emit pause();
}
else
{
emit play();
}
}
else if (type == OPEN)
{
emit open();
}
else if (type == NEXT)
{
emit next();
}
else if (type == PREV)
{
emit prev();
}
else if (type == STOP)
{
emit stop();
}
else if ((type == VOL_DOWN) && volSlider)
{
volSlider->setValue(volSlider->value() - 1);
}
else if ((type == VOL_UP) && volSlider)
{
volSlider->setValue(volSlider->value() + 1);
}
else if (type == RESTORE)
{
emit restore();
}
}
void Icon::paintEvent(QPaintEvent *)
{
QPainter painter(this);
QSvgRenderer svg(svgFile, this);
svg.render(&painter);
}
void Icon::stateChanged(QMediaPlayer::State state)
{
playerState = state;
if (state == QMediaPlayer::PlayingState)
{
loadImg(":/svg/pause");
}
else
{
loadImg(":/svg/play");
}
}
void Icon::loadImg(const QString &path)
{
svgFile = path;
update();
}
void Icon::setSlider(QSlider *slider)
{
volSlider = slider;
}

70
gui/icon.h
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#ifndef ICON_H
#define ICON_H
#include <QWidget>
#include <QToolButton>
#include <QMediaPlayer>
#include <QMouseEvent>
#include <QSvgRenderer>
#include <QPixmap>
#include <QPainter>
#include <QPaintEvent>
#include <QApplication>
#include <QRect>
#include <QDesktopWidget>
#include <QSlider>
class Icon : public QToolButton
{
Q_OBJECT
public:
enum IconType
{
PAUSE_PLAY,
MENU,
OPEN,
STOP,
PREV,
NEXT,
VOL_UP,
VOL_DOWN,
RESTORE
};
Icon(IconType t, QWidget *parent = 0);
void setSlider(QSlider *slider);
public slots:
void stateChanged(QMediaPlayer::State state);
private:
IconType type;
QMediaPlayer::State playerState;
QString svgFile;
QSlider *volSlider;
void paintEvent(QPaintEvent *);
void loadImg(const QString &path);
private slots:
void buttonClicked();
signals:
void pause();
void play();
void settings();
void open();
void next();
void prev();
void stop();
void restore();
};
#endif // ICON_H

259
gui/ui.cpp
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#include "ui.h"
Ui::Ui(const QStringList &args, QWidget *parent) : QWidget(parent)
{
QWidget *btnWid = new QWidget(this);
QHBoxLayout *btnLayout = new QHBoxLayout(btnWid);
QVBoxLayout *mainLayout = new QVBoxLayout(this);
QLabel *timeDisp = new QLabel("00:00:00", this);
Icon *trayPausePlay = new Icon(Icon::PAUSE_PLAY, this);
Icon *trayOpen = new Icon(Icon::OPEN, this);
Icon *trayStop = new Icon(Icon::STOP, this);
Icon *trayNext = new Icon(Icon::NEXT, this);
Icon *trayPrev = new Icon(Icon::PREV, this);
Icon *trayRestore = new Icon(Icon::RESTORE, this);
trayMenu = new QMenu(this);
fileName = new QLabel(this);
slider = new QSlider(this);
menu = new QMenu(this);
trayIcon = new QSystemTrayIcon(QIcon(":/logo"), this);
settings = new Icon(Icon::MENU, this);
pausePlay = new Icon(Icon::PAUSE_PLAY, this);
open = new Icon(Icon::OPEN, this);
stop = new Icon(Icon::STOP, this);
next = new Icon(Icon::NEXT, this);
prev = new Icon(Icon::PREV, this);
player = new QMediaPlayer(this);
ioDev = new AudFile(this);
conf = new Conf(this);
pressed = false;
QFont fnt = fileName->font();
fnt.setBold(true);
setStyleSheet("background-color:white;");
settings->setMenu(menu);
fileName->setText(tr("Ready"));
fileName->setFont(fnt);
slider->setOrientation(Qt::Horizontal);
trayIcon->setVisible(conf->trayIcon());
trayIcon->setContextMenu(trayMenu);
conf->populateOptionsMenu(menu, this);
player->setVolume(conf->getVolume());
trayMenu->addAction(new MenuItem(trayPausePlay->toolTip(), trayPausePlay, this));
trayMenu->addAction(new MenuItem(trayOpen->toolTip(), trayOpen, this));
trayMenu->addAction(new MenuItem(trayStop->toolTip(), trayStop, this));
trayMenu->addAction(new MenuItem(trayNext->toolTip(), trayNext, this));
trayMenu->addAction(new MenuItem(trayPrev->toolTip(), trayPrev, this));
trayMenu->addAction(new MenuItem(trayRestore->toolTip(), trayRestore, this));
btnLayout->addWidget(prev);
btnLayout->addWidget(pausePlay);
btnLayout->addWidget(stop);
btnLayout->addWidget(next);
btnLayout->addWidget(open);
btnLayout->addWidget(settings);
mainLayout->addWidget(fileName);
mainLayout->addWidget(slider);
mainLayout->addWidget(timeDisp, 0, Qt::AlignCenter);
mainLayout->addWidget(btnWid, 0, Qt::AlignCenter);
connect(trayRestore, SIGNAL(restore()), this, SLOT(showNormal()));
connect(trayPausePlay, SIGNAL(pause()), player, SLOT(pause()));
connect(trayPausePlay, SIGNAL(play()), player, SLOT(play()));
connect(trayNext, SIGNAL(next()), this, SLOT(nextFile()));
connect(trayPrev, SIGNAL(prev()), this, SLOT(prevFile()));
connect(trayStop, SIGNAL(stop()), this, SLOT(stopPlayer()));
connect(trayOpen, SIGNAL(open()), this, SLOT(openDialog()));
connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(trayActivated(QSystemTrayIcon::ActivationReason)));
connect(pausePlay, SIGNAL(pause()), player, SLOT(pause()));
connect(pausePlay, SIGNAL(play()), player, SLOT(play()));
connect(next, SIGNAL(next()), this, SLOT(nextFile()));
connect(prev, SIGNAL(prev()), this, SLOT(prevFile()));
connect(stop, SIGNAL(stop()), this, SLOT(stopPlayer()));
connect(open, SIGNAL(open()), this, SLOT(openDialog()));
connect(player, SIGNAL(error(QMediaPlayer::Error)), this, SLOT(error(QMediaPlayer::Error)));
connect(player, SIGNAL(stateChanged(QMediaPlayer::State)), pausePlay, SLOT(stateChanged(QMediaPlayer::State)));
connect(player, SIGNAL(stateChanged(QMediaPlayer::State)), trayPausePlay, SLOT(stateChanged(QMediaPlayer::State)));
connect(ioDev, SIGNAL(duration(QString)), timeDisp, SLOT(setText(QString)));
connect(ioDev, SIGNAL(posChanged(qint64)), this, SLOT(posChanged(qint64)));
connect(ioDev, SIGNAL(endOfPlayback()), this, SLOT(nextFile()));
connect(slider, SIGNAL(sliderPressed()), this, SLOT(sliderPressed()));
connect(slider, SIGNAL(sliderReleased()), this, SLOT(sliderReleased()));
connect(conf, SIGNAL(volume(int)), player, SLOT(setVolume(int)));
connect(conf, SIGNAL(enableTrayIcon(bool)), trayIcon, SLOT(setVisible(bool)));
if (args.size() > 1)
{
play(args[1]);
}
}
void Ui::play(const QString &path)
{
stopPlayer();
if (ioDev->openFile(path))
{
QFileInfo info(path);
conf->setLastPath(info.path());
fileName->setText(info.fileName());
player->setMedia(0, ioDev);
slider->setMinimum(ioDev->getOffset());
slider->setMaximum(ioDev->size());
player->play();
adjustSize();
}
else
{
error(QMediaPlayer::ResourceError);
}
}
void Ui::stopPlayer()
{
ioDev->blockSignals(true);
player->stop();
ioDev->blockSignals(false);
slider->setValue(ioDev->getOffset());
}
void Ui::openDialog()
{
QFileDialog fileDialog(this);
fileDialog.setFileMode(QFileDialog::ExistingFile);
fileDialog.setNameFilter(tr("Audio Files (*.mp3 *.ogg *.wav *.flac)"));
fileDialog.setDirectory(conf->getLastPath());
if (fileDialog.exec())
{
play(fileDialog.selectedFiles()[0]);
}
}
void Ui::error(QMediaPlayer::Error error)
{
QMessageBox box(this);
if (error == QMediaPlayer::NoError)
{
box.setText(tr("An unknown error has occured"));
box.setIcon(QMessageBox::Warning);
}
else if (error == QMediaPlayer::FormatError)
{
box.setText(tr("The format of the media resource isn't fully supported. Playback may still be possible."));
box.setIcon(QMessageBox::Warning);
}
else if (error == QMediaPlayer::AccessDeniedError)
{
box.setText(tr("The appropriate permissions to play the media resource are not present"));
box.setIcon(QMessageBox::Critical);
}
else if (error == QMediaPlayer::ServiceMissingError)
{
box.setText(tr("A valid playback service was not found, playback cannot proceed."));
box.setIcon(QMessageBox::Critical);
}
else if (error == QMediaPlayer::ResourceError)
{
box.setText(tr("Media resource couldn't be resolved."));
box.setIcon(QMessageBox::Critical);
}
box.exec();
}
void Ui::sliderPressed()
{
pressed = true;
}
void Ui::sliderReleased()
{
pressed = false;
float pos = (float) slider->value() - ioDev->getOffset();
float max = (float) slider->maximum() - ioDev->getOffset();
float mul = pos / max;
player->setPosition(mul * player->duration());
}
void Ui::posChanged(qint64 pos)
{
if (!pressed) slider->setSliderPosition(pos);
}
void Ui::nextFile()
{
fileDir('+');
}
void Ui::prevFile()
{
fileDir('-');
}
void Ui::fileDir(char direction)
{
QDir dir(conf->getLastPath());
QStringList filterList;
filterList.append("*.mp3");
filterList.append("*.ogg");
filterList.append("*.flac");
filterList.append("*.wav");
QStringList list = dir.entryList(filterList, QDir::Files | QDir::Readable, QDir::Name);
int pos = list.indexOf(fileName->text());
if (pos != -1)
{
if (direction == '+') pos++;
else if (direction == '-') pos--;
if (pos < list.size())
{
play(conf->getLastPath() + QDir::separator() + list[pos]);
}
}
}
void Ui::trayActivated(QSystemTrayIcon::ActivationReason reason)
{
if (reason == QSystemTrayIcon::DoubleClick)
{
showNormal();
raise();
activateWindow();
}
else if (reason == QSystemTrayIcon::Trigger)
{
trayMenu->popup(trayIcon->geometry().center());
}
}
void Ui::changeEvent(QEvent *event)
{
if ((event->type() == QEvent::WindowStateChange) && conf->trayIcon())
{
if (windowState() & Qt::WindowMinimized)
{
hide();
}
}
}
void Ui::closeEvent(QCloseEvent *event)
{
Q_UNUSED(event);
QCoreApplication::exit();
}

76
gui/ui.h
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#ifndef UI_H
#define UI_H
#include <QWidget>
#include <QMainWindow>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QSlider>
#include <QLabel>
#include <QDir>
#include <QFile>
#include <QMediaPlayer>
#include <QFileDialog>
#include <QStringList>
#include <QMessageBox>
#include <QFont>
#include <QApplication>
#include <QTimer>
#include <QToolButton>
#include <QMenu>
#include <QSystemTrayIcon>
#include <QIcon>
#include <QEvent>
#include <QAction>
#include <QCloseEvent>
#include <QCoreApplication>
#include "icon.h"
#include "../io/aud_file.h"
#include "../io/conf.h"
class Ui : public QWidget
{
Q_OBJECT
private:
QLabel *fileName;
QSlider *slider;
QMediaPlayer *player;
AudFile *ioDev;
QToolButton *settings;
QSystemTrayIcon *trayIcon;
Conf *conf;
QMenu *menu;
QMenu *trayMenu;
Icon *pausePlay;
Icon *open;
Icon *next;
Icon *prev;
Icon *stop;
bool pressed;
void fileDir(char direction);
void changeEvent(QEvent *event);
void closeEvent(QCloseEvent *event);
private slots:
void error(QMediaPlayer::Error error);
void sliderPressed();
void sliderReleased();
void posChanged(qint64 pos);
void openDialog();
void nextFile();
void prevFile();
void stopPlayer();
void play(const QString &path);
void trayActivated(QSystemTrayIcon::ActivationReason reason);
public:
Ui(const QStringList &args, QWidget *parent = 0);
};
#endif // UI_H

29
icon_files.qrc
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<RCC>
<qresource prefix="/">
<file alias="logo">app_logo.ico</file>
</qresource>
<qresource prefix="/svg">
<file alias="open">svg/open.svg</file>
<file alias="pause">svg/pause.svg</file>
<file alias="play">svg/play.svg</file>
<file alias="menu">svg/menu.svg</file>
<file alias="next">svg/next.svg</file>
<file alias="prev">svg/prev.svg</file>
<file alias="stop">svg/stop.svg</file>
<file alias="volume_up">svg/volume_up.svg</file>
<file alias="volume_down">svg/volume_down.svg</file>
<file alias="restore">svg/restore.svg</file>
</qresource>
<qresource prefix="/png">
<file alias="open">png/open.png</file>
<file alias="pause">png/pause.png</file>
<file alias="play">png/play.png</file>
<file alias="menu">png/menu.png</file>
<file alias="next">png/next.png</file>
<file alias="prev">png/prev.png</file>
<file alias="stop">png/stop.png</file>
<file alias="volume_up">png/volume_up.png</file>
<file alias="volume_down">png/volume_down.png</file>
<file alias="restore">png/restore.png</file>
</qresource>
</RCC>

111
io/aud_file.cpp
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#include "aud_file.h"
AudFile::AudFile(QObject *parent) : QFile(parent)
{
offset = 0;
buffRate = 0;
init = true;
}
AudFile::~AudFile()
{
close();
}
bool AudFile::openFile(const QString &path)
{
close();
init = true;
buffRate = 0;
setFileName(path);
bool ret = open(QFile::ReadOnly);
if (ret)
{
offset = 0;
if (peek(3) == "ID3")
{
QByteArray header = read(10);
QByteArray intBytes = header.mid(6);
quint64 num = 0;
quint64 bit = 1;
offset += 10;
if (header[5] & 16) //Footer flag check
{
offset += 10;
}
for (int i = intBytes.size() - 1; i >= 0; --i)
{
int byte = intBytes[i];
for (int inBit = 1; inBit <= 64; inBit *= 2, bit *= 2)
{
if ((byte & inBit) != 0) num |= bit;
}
}
offset += num;
}
seek(0);
}
return ret;
}
bool AudFile::seek(qint64 off)
{
qint64 newPos = offset + off;
if (init)
{
if ((off) && (!buffRate))
{
buffRate = off;
emit duration(getDuration());
}
if (newPos >= size())
{
init = false;
}
}
else
{
emit posChanged(pos());
if (newPos >= size())
{
QTimer::singleShot(2000, this, SLOT(delayFinished()));
}
}
return QFile::seek(newPos);
}
qint64 AudFile::getOffset()
{
return offset;
}
QString AudFile::getDuration()
{
QTime time(0, 0, 0, 0);
time = time.addMSecs((size() / buffRate) * 1000);
return time.toString("hh:mm:ss");
}
void AudFile::delayFinished()
{
emit endOfPlayback();
}

45
io/aud_file.h
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#ifndef AUD_FILE_H
#define AUD_FILE_H
#include <QBuffer>
#include <QFile>
#include <QObject>
#include <QString>
#include <QTimer>
#include <QTime>
#include <QDebug>
#include <QStringList>
class AudFile : public QFile
{
Q_OBJECT
private:
qint64 buffRate;
qint64 offset;
bool init;
private slots:
void delayFinished();
public:
AudFile(QObject *parent = 0);
bool openFile(const QString &path);
bool seek(qint64 off);
qint64 getOffset();
QString getDuration();
~AudFile();
signals:
void posChanged(qint64 off);
void endOfPlayback();
void duration(QString timeStr);
};
#endif // AUD_FILE_H

185
io/conf.cpp
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#include "io/conf.h"
MenuItem::MenuItem(const QString &label, QWidget *widget, QObject *parent) : QWidgetAction(parent)
{
str = label;
wid = widget;
}
QWidget *MenuItem::createWidget(QWidget *parent)
{
if (str.isEmpty())
{
wid->setParent(parent);
return wid;
}
else
{
QWidget *widget = new QWidget(parent);
QHBoxLayout *layout = new QHBoxLayout(widget);
layout->addWidget(wid);
layout->addWidget(new QLabel(str, parent));
return widget;
}
}
Conf::Conf(QObject *parent) : QObject(parent)
{
QFile file(confPath(), this);
QByteArray data;
if (file.open(QFile::ReadOnly))
{
data = file.readAll();
}
file.close();
Idm idm(data, this);
idm.rdHeader();
QByteArray pathBa = idm.value(LAST_PATH);
QByteArray nextBa = idm.value(NEXT_FILE);
QByteArray trayBa = idm.value(TRAY_ICON);
QByteArray volBa = idm.value(VOLUME);
if (!pathBa.isEmpty()) lastPath = pathBa;
else lastPath = QDir::homePath();
if (!nextBa.isEmpty()) nextFileState = (nextBa == "Y");
else nextFileState = true;
if (!trayBa.isEmpty()) showTrayIcon = (trayBa == "Y");
else showTrayIcon = false;
if (!volBa.isEmpty()) volumeValue = rdInt(volBa);
else volumeValue = 50;
}
void Conf::sync()
{
Idm idm(this);
idm.wrHeader();
idm.insert(LAST_PATH, lastPath.toUtf8());
idm.insert(VOLUME, wrInt(volumeValue));
if (nextFileState) idm.insert(NEXT_FILE, "Y");
else idm.insert(NEXT_FILE, "N");
if (showTrayIcon) idm.insert(TRAY_ICON, "Y");
else idm.insert(TRAY_ICON, "N");
QFile file(confPath(), this);
file.open(QFile::WriteOnly | QFile::Truncate);
file.write(idm.getBuff());
}
void Conf::populateOptionsMenu(QMenu *menu, QWidget *parent)
{
QWidget *volWidget = new QWidget(parent);
QHBoxLayout *volLayout = new QHBoxLayout(volWidget);
QSlider *volSlider = new QSlider(parent);
QCheckBox *nextBox = new QCheckBox(parent);
QCheckBox *trayBox = new QCheckBox(parent);
Icon *volUp = new Icon(Icon::VOL_UP, parent);
Icon *volDown = new Icon(Icon::VOL_DOWN, parent);
volUp->setSlider(volSlider);
volDown->setSlider(volSlider);
volSlider->setMinimum(0);
volSlider->setMaximum(100);
volSlider->setValue(getVolume());
volSlider->setOrientation(Qt::Horizontal);
volLayout->addWidget(volDown);
volLayout->addWidget(volSlider);
volLayout->addWidget(volUp);
nextBox->setText(tr("Auto play next file in directory"));
nextBox->setChecked(nextFile());
trayBox->setText(tr("Enable tray icon"));
trayBox->setChecked(trayIcon());
connect(volSlider, SIGNAL(valueChanged(int)), this, SLOT(setVolume(int)));
connect(volSlider, SIGNAL(valueChanged(int)), this, SIGNAL(volume(int)));
connect(nextBox, SIGNAL(clicked(bool)), this, SLOT(setNextFile(bool)));
connect(trayBox, SIGNAL(clicked(bool)), this, SLOT(setTrayIcon(bool)));
menu->addAction(new MenuItem("", volWidget, this));
menu->addAction(new MenuItem("", nextBox, this));
menu->addAction(new MenuItem("", trayBox, this));
}
void Conf::setLastPath(const QString &path)
{
lastPath = path; sync();
}
void Conf::setNextFile(bool state)
{
nextFileState = state; sync();
}
void Conf::setTrayIcon(bool state)
{
emit enableTrayIcon(state);
showTrayIcon = state; sync();
}
void Conf::setVolume(int value)
{
emit volume(value);
volumeValue = value; sync();
}
QString Conf::getLastPath()
{
if (!QDir(lastPath).exists())
{
lastPath = QDir::homePath();
}
return lastPath;
}
bool Conf::nextFile()
{
return nextFileState;
}
bool Conf::trayIcon()
{
return showTrayIcon;
}
int Conf::getVolume()
{
return volumeValue;
}
QString Conf::confPath()
{
QString path = QDir::homePath() + '/';
#ifndef Q_OS_WIN32
path.append("/.config/");
#else
path.append("AppData/Local/");
#endif
QDir dir;
path.append(QApplication::applicationName() + '/');
dir.mkpath(path);
return path + "conf.idm";
}

80
io/conf.h
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#ifndef CONF_H
#define CONF_H
#include <QObject>
#include <QWidgetAction>
#include <QMenu>
#include <QSlider>
#include <QWidget>
#include <QHBoxLayout>
#include <QLabel>
#include <QCheckBox>
#include <QFile>
#include <QDir>
#include <QApplication>
#include "idm.h"
#include "../gui/icon.h"
class MenuItem : public QWidgetAction
{
Q_OBJECT
private:
QString str;
QWidget *wid;
QWidget *createWidget(QWidget *parent);
public:
MenuItem(const QString &label, QWidget *widget, QObject *parent = 0);
};
class Conf : public QObject
{
Q_OBJECT
private:
enum DataType
{
LAST_PATH = 1,
NEXT_FILE,
VOLUME,
TRAY_ICON
};
QString lastPath;
bool showTrayIcon;
bool nextFileState;
int volumeValue;
void sync();
QString confPath();
public slots:
void setLastPath(const QString &path);
void setNextFile(bool state);
void setVolume(int value);
void setTrayIcon(bool state);
public:
QString getLastPath();
bool nextFile();
bool trayIcon();
void populateOptionsMenu(QMenu *menu, QWidget *parent);
int getVolume();
Conf(QObject *parent = 0);
signals:
void volume(int value);
void enableTrayIcon(bool state);
};
#endif // CONF_H

432
io/idm.cpp
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#include "idm.h"
const QByteArray Idm::TAG = "IDM";
const int Idm::MAX_MAJOR = 1;
const int Idm::MAX_MINOR = 0;
int Idm::DEFAULT_INT_SIZE = 3;
int Idm::DEFAULT_FLAGS = 1; // FIXED_KEY_LEN
int Idm::DEFAULT_KEY_LEN = 1;
int Idm::CURRENT_MAJOR = Idm::MAX_MAJOR;
int Idm::CURRENT_MINOR = Idm::MAX_MINOR;
Idm::Idm(const QByteArray &data, QObject *parent) : QObject(parent)
{
buffPtr = data;
init();
}
Idm::Idm(QObject *parent) : QObject(parent)
{
init();
}
void Idm::init()
{
header = 0;
intSize = DEFAULT_INT_SIZE;
keyLen = DEFAULT_KEY_LEN;
flags = DEFAULT_FLAGS;
}
void Idm::loadData(const QByteArray &data)
{
op(RELOAD, data);
}
QByteArray &Idm::getBuff()
{
op(GET_BUFF, QByteArray(), QByteArray(), new QByteArray());
return buffPtr;
}
bool Idm::rdHeader()
{
return rdExHeader(buffPtr);
}
bool Idm::rdExHeader(const QByteArray &data)
{
bool ret;
op(RD_HEADER, data, QByteArray(), 0, 0, 0, &ret);
return ret;
}
bool Idm::rdExHeader(const QByteArray &data, int &major, int &minor, int &intSz, int &flgs, int &keyLen)
{
bool ret = false;
if (data.startsWith(TAG))
{
int pos = TAG.size();
major = rdInt(data.mid(pos++, 1));
minor = rdInt(data.mid(pos++, 1));
intSz = rdInt(data.mid(pos++, 1));
keyLen = rdInt(data.mid(pos++, 1));
flgs = rdInt(data.mid(pos, 4));
if ((major <= MAX_MAJOR) && (minor <= MAX_MINOR))
{
ret = true;
}
}
return ret;
}
bool Idm::verifyExHeader(const QByteArray &data, int major, int minor)
{
bool ret = false;
if (data.startsWith(TAG) && (data.size() == 11))
{
int pos = TAG.size();
int ma = rdInt(data.mid(pos++, 1));
int mi = rdInt(data.mid(pos++, 1));
ret = ((ma <= major) && (mi <= minor));
}
return ret;
}
QByteArray Idm::buildHeader(int major, int minor, int intSz, int flgs, int keyLen)
{
QByteArray ret = TAG;
ret.append(wrInt(major, 1));
ret.append(wrInt(minor, 1));
ret.append(wrInt(intSz, 1));
ret.append(wrInt(keyLen, 1));
ret.append(wrInt(flgs, 4));
return ret;
}
void Idm::setKeyLen(int len)
{
op(SET_KEY_LEN, QByteArray(), QByteArray(), 0, len);
}
void Idm::setFlags(int flgs)
{
op(SET_FLAGS, QByteArray(), QByteArray(), 0, flgs);
}
void Idm::wrHeader()
{
op(WR_HEADER);
}
void Idm::setIntSize(int bytes)
{
op(SET_INT_SIZE, QByteArray(), QByteArray(), 0, bytes);
}
void Idm::setVersion(int major, int minor)
{
op(SET_VERSION, QByteArray(), QByteArray(), 0, major, minor);
}
QByteArray Idm::rdData(int addr, int len, bool *ret)
{
bool ok = false;
if ((addr < buffPtr.size()) && (addr >= 0))
{
if ((len + addr) <= buffPtr.size())
{
ok = true;
}
}
if (ret) *ret = ok;
if (ok)
{
return QByteArray::fromRawData(buffPtr.data() + addr, len);
}
else
{
return QByteArray();
}
}
bool Idm::findKey(int &addr, int &dataLen, const QByteArray &key)
{
bool ok = true;
bool found = false;
while(addr < buffPtr.size() && ok)
{
int keySize;
if (flags & FIXED_KEY_LEN)
{
keySize = keyLen;
}
else
{
keySize = rdInt(rdData(addr, intSize, &ok));
addr += intSize;
}
if (ok)
{
if (key == rdData(addr, keySize, &ok))
{
found = true;
}
addr += keySize;
if (ok)
{
dataLen = rdInt(rdData(addr, intSize, &ok));
addr += intSize;
if (found && ok)
{
break;
}
else
{
addr += dataLen;
}
}
}
}
return found;
}
QByteArray Idm::value(const QByteArray &key)
{
QByteArray ret;
op(RD_VALUE, key, QByteArray(), &ret);
return ret;
}
QByteArray Idm::value(quint64 key)
{
int keySize;
if (flags & FIXED_KEY_LEN) keySize = keyLen;
else keySize = intSize;
return value(wrInt(key, keySize));
}
quint64 Idm::intValue(const QByteArray &key)
{
return rdInt(value(key));
}
quint64 Idm::intValue(quint64 key)
{
return rdInt(value(key));
}
bool Idm::remove(const QByteArray &key)
{
bool ret;
op(RM_VALUE, key, QByteArray(), 0, 0, 0, &ret);
return ret;
}
bool Idm::remove(quint64 key)
{
int keySize;
if (flags & FIXED_KEY_LEN) keySize = keyLen;
else keySize = intSize;
return remove(wrInt(key, keySize));
}
bool Idm::insert(const QByteArray &key, const QByteArray &data)
{
bool ret;
op(WR_VALUE, key, data, 0, 0, 0, &ret);
return ret;
}
bool Idm::insert(quint64 key, quint64 num)
{
int keySize;
if (flags & FIXED_KEY_LEN) keySize = keyLen;
else keySize = intSize;
return insert(wrInt(key, keySize), wrInt(num, intSize));
}
bool Idm::insert(quint64 key, const QByteArray &data)
{
int keySize;
if (flags & FIXED_KEY_LEN) keySize = keyLen;
else keySize = intSize;
return insert(wrInt(key, keySize), data);
}
void Idm::op(Operation opr,
const QByteArray &inA,
const QByteArray &inB,
QByteArray *out,
int intA,
int intB,
bool *ok)
{
QMutex m;
m.lock();
switch(opr)
{
case SET_KEY_LEN:
{
keyLen = intA; break;
}
case SET_FLAGS:
{
flags = intA; break;
}
case GET_BUFF:
{
out = &buffPtr; break;
}
case RELOAD:
{
buffPtr = inA; break;
}
case SET_INT_SIZE:
{
intSize = intA; break;
}
case SET_VERSION:
{
CURRENT_MAJOR = intA;
CURRENT_MINOR = intB;
break;
}
case WR_HEADER:
{
if (buffPtr.startsWith(TAG))
{
int pos = TAG.size();
buffPtr.replace(pos++, 1, wrInt(CURRENT_MAJOR, 1));
buffPtr.replace(pos++, 1, wrInt(CURRENT_MINOR, 1));
buffPtr.replace(pos++, 1, wrInt(intSize, 1));
buffPtr.replace(pos++, 1, wrInt(keyLen, 1));
buffPtr.replace(pos++, 4, wrInt(flags, 4));
}
else
{
buffPtr.insert(0, wrInt(flags, 4));
buffPtr.insert(0, wrInt(keyLen, 1));
buffPtr.insert(0, wrInt(intSize, 1));
buffPtr.insert(0, wrInt(CURRENT_MINOR, 1));
buffPtr.insert(0, wrInt(CURRENT_MAJOR, 1));
buffPtr.insert(0, TAG);
}
header = 8 + TAG.size();
break;
}
case RD_HEADER:
{
*ok = rdExHeader(inA, CURRENT_MAJOR, CURRENT_MINOR, intSize, flags, keyLen);
if (*ok) header = 8 + TAG.size();
break;
}
case RD_VALUE:
{
int pos = header;
int len = 0;
if (findKey(pos, len, inA))
{
out->clear();
out->append(buffPtr.mid(pos, len));
}
break;
}
case RM_VALUE:
{
int pos = header;
int len = 0;
*ok = false;
if (findKey(pos, len, inA))
{
if (flags & FIXED_KEY_LEN)
{
pos -= keyLen + intSize;
len += keyLen + intSize;
}
else
{
pos -= inA.size() + (intSize * 2);
len += inA.size() + (intSize * 2);
}
buffPtr.remove(pos, len);
*ok = true;
}
break;
}
case WR_VALUE:
{
*ok = false;
remove(inA);
if (flags & FIXED_KEY_LEN)
{
if (inA.size() == keyLen)
{
buffPtr.append(inA + wrInt(inB.size(), intSize) + inB);
*ok = true;
}
}
else
{
if (!inA.isEmpty())
{
buffPtr.append(wrInt(inA.size(), intSize) + inA);
buffPtr.append(wrInt(inB.size(), intSize) + inB);
*ok = true;
}
}
break;
}
}
m.unlock();
}

92
io/idm.h
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#ifndef IDM_H
#define IDM_H
#include <QObject>
#include <QByteArray>
#include <QMutex>
#include "int.h"
class Idm : public QObject
{
Q_OBJECT
public:
enum Flags
{
FIXED_KEY_LEN = 1
};
static const QByteArray TAG;
static const int MAX_MAJOR;
static const int MAX_MINOR;
static int CURRENT_MAJOR;
static int CURRENT_MINOR;
static int DEFAULT_INT_SIZE;
static int DEFAULT_FLAGS;
static int DEFAULT_KEY_LEN;
static bool verifyExHeader(const QByteArray &data, int major, int minor);
static bool rdExHeader(const QByteArray &data, int &major, int &minor, int &intSz, int &flgs, int &keyLen);
static QByteArray buildHeader(int major, int minor, int intSz, int flgs, int keyLen);
explicit Idm(const QByteArray &data, QObject *parent = 0);
explicit Idm(QObject *parent = 0);
void setVersion(int major, int minor);
void setFlags(int flgs);
void setIntSize(int bytes);
void wrHeader();
void setKeyLen(int len);
void loadData(const QByteArray &data);
bool insert(const QByteArray &key, const QByteArray &data);
bool insert(quint64 key, quint64 num);
bool insert(quint64 key, const QByteArray &data);
bool remove(const QByteArray &key);
bool remove(quint64 key);
bool rdHeader();
bool rdExHeader(const QByteArray &data);
quint64 intValue(quint64 key);
quint64 intValue(const QByteArray &key);
QByteArray value(const QByteArray &key);
QByteArray value(quint64 key);
QByteArray &getBuff();
private:
enum Operation
{
RELOAD,
GET_BUFF,
RD_HEADER,
WR_HEADER,
SET_KEY_LEN,
SET_FLAGS,
SET_INT_SIZE,
SET_VERSION,
RD_VALUE,
WR_VALUE,
RM_VALUE
};
QByteArray buffPtr;
int header;
int intSize;
int keyLen;
int flags;
void op(Operation opr,
const QByteArray &inA = QByteArray(),
const QByteArray &inB = QByteArray(),
QByteArray *out = 0,
int intA = 0,
int intB = 0,
bool *ok = 0);
void init();
bool findKey(int &addr, int &dataLen, const QByteArray &key);
QByteArray rdData(int, int, bool *ok = 0);
};
#endif // IDM_H

58
io/int.cpp
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#include "int.h"
quint64 rdInt(const QByteArray &data)
{
quint64 out = 0;
quint64 outBit = 1;
for (int i = data.size() - 1; i >= 0; --i)
{
int byte = data[i];
for (int inBit = 1; inBit <= 128; inBit *= 2, outBit *= 2)
{
if ((byte & inBit) != 0) out |= outBit;
}
}
return out;
}
float rdFloat(const QByteArray &data)
{
return data.toFloat();
}
QByteArray wrInt(quint64 value, int intSize)
{
QByteArray out;
quint64 inBit = 1;
while (value != 0)
{
int byte = 0;
for (int outBit = 1; outBit <= 128; outBit *= 2, inBit *= 2)
{
if (value & inBit)
{
byte |= outBit;
value ^= inBit;
}
}
out.insert(0, byte);
}
return out.rightJustified(intSize, 0);
}
QByteArray wrInt(quint64 value)
{
return wrInt(value, INT_SIZE);
}
QByteArray wrFloat(float value)
{
return QByteArray().setNum(value);
}

15
io/int.h
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#ifndef INT_H
#define INT_H
#include <QByteArray>
#include <QList>
#define INT_SIZE 6
float rdFloat(const QByteArray &data);
quint64 rdInt(const QByteArray &data);
QByteArray wrInt(quint64 value);
QByteArray wrInt(quint64 value, int);
QByteArray wrFloat(float value);
#endif // INT_H

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2
logo.rc
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IDI_ICON1 ICON DISCARDABLE "app_logo.ico"
IDI_ICON1 ICON DISCARDABLE "logo.ico"

109
main.cpp
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#include <QApplication>
#include <QStringList>
#include <QMediaPlayer>
#include <QSystemTrayIcon>
#include <QObject>
#include <QFileSystemWatcher>
#include <QSharedMemory>
#include <QDir>
#include <QFile>
#include <QIcon>
#include "gui/ui.h"
#include "aud_file.h"
#include "core.h"
// This file is part of JustAudio.
// JustAudio 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 3 of the License, or
// (at your option) any later version.
// JustAudio 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 BashWire under the GPL.txt file. If not, see
// <http://www.gnu.org/licenses/>.
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
Ui win(app.arguments());
app.setApplicationName("JustAudio");
app.setApplicationVersion("1.0.0");
app.setQuitOnLastWindowClosed(false);
win.show();
return app.exec();
QString path = QDir::homePath() + QDir::separator();
#ifndef Q_OS_WIN32
path.append(QString(".config") + QDir::separator());
#else
path.append(QString("AppData") + QDir::separator());
path.append(QString("Local") + QDir::separator());
#endif
QDir dir;
path.append(QApplication::applicationName());
dir.mkpath(path);
QDir::setCurrent(path);
if (!QFile::exists(PROCESS_FILE))
{
// QFileSystemWatcher will not work if the PROCESS_FILE file does not exists so
// a base file need to be created to insure it connects to a file.
QFile file(PROCESS_FILE, &app);
file.open(QFile::WriteOnly | QFile::Truncate);
file.write(" ");
file.close();
}
// using a shared memory segment to determine if an instance of the app is running.
// QSharedMemory::create() returns false if that is the case and true if not.
// if an instance of the app is already runnning, the requested file path to playback
// is written to PROCESS_FILE, that modification to the file is picked up by
// QFileSystemWatcher and then read by the currently running instance and starts
// playback of the file path written to PROCESS_FILE.
QSharedMemory sharedMem(app.applicationName(), &app);
if (sharedMem.create(SEGMENT_SIZE))
{
QFileSystemWatcher processFileWatcher(&app);
QSystemTrayIcon trayIcon(&app);
QMediaPlayer player(&app);
Core core(&app);
core.setFileWatcher(&processFileWatcher);
core.setPlayer(&player);
core.setTrayIcon(&trayIcon);
processFileWatcher.addPath(PROCESS_FILE);
trayIcon.setToolTip(app.applicationName() + " " + app.applicationVersion());
trayIcon.setIcon(QIcon(":/png/logo"));
trayIcon.show();
if (app.arguments().size() > 1)
{
core.play(app.arguments()[1]);
}
return app.exec();
}
else
{
if (app.arguments().size() > 1)
{
QFile file(PROCESS_FILE, &app);
file.open(QFile::WriteOnly | QFile::Truncate);
file.write(app.arguments()[1].toUtf8());
file.close();
}
return 0;
}
}

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release_notes.txt Normal file
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5/6/17 - 1.0.0
- Made some major changes to the JustAudio project.
- The majority of user interaction is now in the system tray icon. There's no longer a traditional user interface window.
- Added a proper application version number, GPL and source code comments.
- The application will now allow only one instance and will play the file requested in the arguments in the currently running instance.
- Added mute control.
- Settings are now saved in csv file format instead of idm.
- Several bug fixes.
- Seeker removed for now. (might but it back in the future)

17
res.qrc Normal file
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<RCC>
<qresource prefix="/png">
<file alias="logo">png/logo.png</file>
<file alias="open">png/open.png</file>
<file alias="pause">png/pause.png</file>
<file alias="play">png/play.png</file>
<file alias="menu">png/menu.png</file>
<file alias="next">png/next.png</file>
<file alias="prev">png/prev.png</file>
<file alias="stop">png/stop.png</file>
<file alias="volume_up">png/volume_up.png</file>
<file alias="volume_down">png/volume_down.png</file>
</qresource>
<qresource prefix="/">
<file alias="gpl">GPL.txt</file>
</qresource>
</RCC>

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svg/menu.svg
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<svg version="1.0" xmlns="http://www.w3.org/2000/svg" width="500px" height="500px" viewBox="0 0 5000 5000" preserveAspectRatio="xMidYMid meet">
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