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mixxx.cpp
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/***************************************************************************
mixxx.cpp - description
-------------------
begin : Mon Feb 18 09:48:17 CET 2002
copyright : (C) 2002 by Tue and Ken Haste Andersen
email :
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include "mixxx.h"
#include <QDesktopServices>
#include <QStandardPaths>
#include <QDesktopWidget>
#include <QFileDialog>
#include <QGLWidget>
#include <QUrl>
#include <QtDebug>
#include <QLocale>
#include <QGuiApplication>
#include <QInputMethod>
#include <QGLFormat>
#include <QScreen>
#include "dialog/dlgabout.h"
#include "preferences/dialog/dlgpreferences.h"
#include "preferences/dialog/dlgprefeq.h"
#include "preferences/constants.h"
#include "dialog/dlgdevelopertools.h"
#include "engine/enginemaster.h"
#include "effects/effectsmanager.h"
#include "effects/builtin/builtinbackend.h"
#ifdef __LILV__
#include "effects/lv2/lv2backend.h"
#endif
#include "library/coverartcache.h"
#include "library/library.h"
#include "library/library_preferences.h"
#include "library/trackcollectionmanager.h"
#include "controllers/controllermanager.h"
#include "controllers/keyboard/keyboardeventfilter.h"
#include "mixer/playermanager.h"
#include "recording/recordingmanager.h"
#include "broadcast/broadcastmanager.h"
#include "skin/legacyskinparser.h"
#include "skin/skinloader.h"
#include "soundio/soundmanager.h"
#include "sources/soundsourceproxy.h"
#include "track/track.h"
#include "waveform/waveformwidgetfactory.h"
#include "waveform/visualsmanager.h"
#include "waveform/sharedglcontext.h"
#include "database/mixxxdb.h"
#include "util/debug.h"
#include "util/statsmanager.h"
#include "util/timer.h"
#include "util/time.h"
#include "util/version.h"
#include "control/controlpushbutton.h"
#include "util/sandbox.h"
#include "mixer/playerinfo.h"
#include "waveform/guitick.h"
#include "util/math.h"
#include "util/experiment.h"
#include "util/font.h"
#include "util/translations.h"
#include "skin/launchimage.h"
#include "preferences/settingsmanager.h"
#include "widget/wmainmenubar.h"
#include "util/compatibility.h"
#include "util/screensaver.h"
#include "util/logger.h"
#include "util/db/dbconnectionpooled.h"
#ifdef __VINYLCONTROL__
#include "vinylcontrol/vinylcontrolmanager.h"
#endif
#ifdef __MODPLUG__
#include "preferences/dialog/dlgprefmodplug.h"
#endif
#if defined(Q_OS_LINUX)
#include <QtX11Extras/QX11Info>
#include <X11/Xlib.h>
#include <X11/Xlibint.h>
// Xlibint.h predates C++ and defines macros which conflict
// with references to std::max and std::min
#undef max
#undef min
#endif
namespace {
const mixxx::Logger kLogger("MixxxMainWindow");
// hack around https://gitlab.freedesktop.org/xorg/lib/libx11/issues/25
// https://bugs.launchpad.net/mixxx/+bug/1805559
#if defined(Q_OS_LINUX)
typedef Bool (*WireToErrorType)(Display*, XErrorEvent*, xError*);
const int NUM_HANDLERS = 256;
WireToErrorType __oldHandlers[NUM_HANDLERS] = {0};
Bool __xErrorHandler(Display* display, XErrorEvent* event, xError* error) {
// Call any previous handler first in case it needs to do real work.
auto code = static_cast<int>(event->error_code);
if (__oldHandlers[code] != NULL) {
__oldHandlers[code](display, event, error);
}
// Always return false so the error does not get passed to the normal
// application defined handler.
return False;
}
#endif
inline QLocale inputLocale() {
// Use the default config for local keyboard
QInputMethod* pInputMethod = QGuiApplication::inputMethod();
return pInputMethod ? pInputMethod->locale() :
QLocale(QLocale::English);
}
} // anonymous namespace
// static
const int MixxxMainWindow::kMicrophoneCount = 4;
// static
const int MixxxMainWindow::kAuxiliaryCount = 4;
MixxxMainWindow::MixxxMainWindow(QApplication* pApp, const CmdlineArgs& args)
: m_pWidgetParent(nullptr),
m_pLaunchImage(nullptr),
m_pSettingsManager(nullptr),
m_pEffectsManager(nullptr),
m_pEngine(nullptr),
m_pSkinLoader(nullptr),
m_pSoundManager(nullptr),
m_pPlayerManager(nullptr),
m_pRecordingManager(nullptr),
#ifdef __BROADCAST__
m_pBroadcastManager(nullptr),
#endif
m_pControllerManager(nullptr),
m_pGuiTick(nullptr),
#ifdef __VINYLCONTROL__
m_pVCManager(nullptr),
#endif
m_pKeyboard(nullptr),
m_pLibrary(nullptr),
m_pMenuBar(nullptr),
m_pDeveloperToolsDlg(nullptr),
m_pPrefDlg(nullptr),
m_pKbdConfig(nullptr),
m_pKbdConfigEmpty(nullptr),
m_toolTipsCfg(mixxx::TooltipsPreference::TOOLTIPS_ON),
m_runtime_timer("MixxxMainWindow::runtime"),
m_cmdLineArgs(args),
m_pTouchShift(nullptr) {
m_runtime_timer.start();
mixxx::Time::start();
Version::logBuildDetails();
// Only record stats in developer mode.
if (m_cmdLineArgs.getDeveloper()) {
StatsManager::createInstance();
}
m_pSettingsManager = new SettingsManager(this, args.getSettingsPath());
initializeKeyboard();
// Menubar depends on translations.
mixxx::Translations::initializeTranslations(
m_pSettingsManager->settings(), pApp, args.getLocale());
createMenuBar();
initializeWindow();
// First load launch image to show a the user a quick responds
m_pSkinLoader = new SkinLoader(m_pSettingsManager->settings());
m_pLaunchImage = m_pSkinLoader->loadLaunchImage(this);
m_pWidgetParent = (QWidget*)m_pLaunchImage;
setCentralWidget(m_pWidgetParent);
show();
pApp->processEvents();
initialize(pApp, args);
}
MixxxMainWindow::~MixxxMainWindow() {
// SkinLoader depends on Config;
delete m_pSkinLoader;
}
void MixxxMainWindow::initialize(QApplication* pApp, const CmdlineArgs& args) {
ScopedTimer t("MixxxMainWindow::initialize");
#if defined(Q_OS_LINUX)
// XESetWireToError will segfault if running as a Wayland client
if (pApp->platformName() == QStringLiteral("xcb")) {
for (auto i = 0; i < NUM_HANDLERS; ++i) {
XESetWireToError(QX11Info::display(), i, &__xErrorHandler);
}
}
#endif
UserSettingsPointer pConfig = m_pSettingsManager->settings();
Sandbox::initialize(QDir(pConfig->getSettingsPath()).filePath("sandbox.cfg"));
QString resourcePath = pConfig->getResourcePath();
FontUtils::initializeFonts(resourcePath); // takes a long time
launchProgress(2);
// Set the visibility of tooltips, default "1" = ON
m_toolTipsCfg = static_cast<mixxx::TooltipsPreference>(
pConfig->getValue(ConfigKey("[Controls]", "Tooltips"),
static_cast<int>(mixxx::TooltipsPreference::TOOLTIPS_ON)));
setAttribute(Qt::WA_AcceptTouchEvents);
m_pTouchShift = new ControlPushButton(ConfigKey("[Controls]", "touch_shift"));
m_pChannelHandleFactory = new ChannelHandleFactory();
m_pDbConnectionPool = MixxxDb(pConfig).connectionPool();
if (!m_pDbConnectionPool) {
// TODO(XXX) something a little more elegant
exit(-1);
}
// Create a connection for the main thread
m_pDbConnectionPool->createThreadLocalConnection();
if (!initializeDatabase()) {
// TODO(XXX) something a little more elegant
exit(-1);
}
// Create the Effects subsystem.
m_pEffectsManager = new EffectsManager(this, pConfig, m_pChannelHandleFactory);
// Starting the master (mixing of the channels and effects):
m_pEngine = new EngineMaster(pConfig, "[Master]", m_pEffectsManager,
m_pChannelHandleFactory, true);
// Create effect backends. We do this after creating EngineMaster to allow
// effect backends to refer to controls that are produced by the engine.
BuiltInBackend* pBuiltInBackend = new BuiltInBackend(m_pEffectsManager);
m_pEffectsManager->addEffectsBackend(pBuiltInBackend);
#ifdef __LILV__
LV2Backend* pLV2Backend = new LV2Backend(m_pEffectsManager);
m_pEffectsManager->addEffectsBackend(pLV2Backend);
#else
LV2Backend* pLV2Backend = nullptr;
#endif
// Sets up the EffectChains and EffectRacks (long)
m_pEffectsManager->setup();
launchProgress(8);
// Although m_pSoundManager is created here, m_pSoundManager->setupDevices()
// needs to be called after m_pPlayerManager registers sound IO for each EngineChannel.
m_pSoundManager = new SoundManager(pConfig, m_pEngine);
m_pEngine->registerNonEngineChannelSoundIO(m_pSoundManager);
m_pRecordingManager = new RecordingManager(pConfig, m_pEngine);
#ifdef __BROADCAST__
m_pBroadcastManager = new BroadcastManager(m_pSettingsManager,
m_pSoundManager);
#endif
launchProgress(11);
// Needs to be created before CueControl (decks) and WTrackTableView.
m_pGuiTick = new GuiTick();
m_pVisualsManager = new VisualsManager();
#ifdef __VINYLCONTROL__
m_pVCManager = new VinylControlManager(this, pConfig, m_pSoundManager);
#else
m_pVCManager = NULL;
#endif
// Create the player manager. (long)
m_pPlayerManager = new PlayerManager(pConfig, m_pSoundManager,
m_pEffectsManager, m_pVisualsManager, m_pEngine);
connect(m_pPlayerManager,
&PlayerManager::noMicrophoneInputConfigured,
this,
&MixxxMainWindow::slotNoMicrophoneInputConfigured);
connect(m_pPlayerManager,
&PlayerManager::noDeckPassthroughInputConfigured,
this,
&MixxxMainWindow::slotNoDeckPassthroughInputConfigured);
connect(m_pPlayerManager,
&PlayerManager::noVinylControlInputConfigured,
this,
&MixxxMainWindow::slotNoVinylControlInputConfigured);
for (int i = 0; i < kMicrophoneCount; ++i) {
m_pPlayerManager->addMicrophone();
}
for (int i = 0; i < kAuxiliaryCount; ++i) {
m_pPlayerManager->addAuxiliary();
}
m_pPlayerManager->addConfiguredDecks();
m_pPlayerManager->addSampler();
m_pPlayerManager->addSampler();
m_pPlayerManager->addSampler();
m_pPlayerManager->addSampler();
m_pPlayerManager->addPreviewDeck();
launchProgress(30);
m_pEffectsManager->loadEffectChains();
#ifdef __VINYLCONTROL__
m_pVCManager->init();
#endif
#ifdef __MODPLUG__
// restore the configuration for the modplug library before trying to load a module
DlgPrefModplug* pModplugPrefs = new DlgPrefModplug(0, pConfig);
pModplugPrefs->loadSettings();
pModplugPrefs->applySettings();
delete pModplugPrefs; // not needed anymore
#endif
CoverArtCache::createInstance();
launchProgress(30);
m_pTrackCollectionManager = new TrackCollectionManager(
this,
pConfig,
m_pDbConnectionPool);
launchProgress(35);
m_pLibrary = new Library(
this,
pConfig,
m_pDbConnectionPool,
m_pTrackCollectionManager,
m_pPlayerManager,
m_pRecordingManager);
// Binding the PlayManager to the Library may already trigger
// loading of tracks which requires that the GlobalTrackCache has
// been created. Otherwise Mixxx might hang when accessing
// the uninitialized singleton instance!
m_pPlayerManager->bindToLibrary(m_pLibrary);
launchProgress(40);
// Get Music dir
bool hasChanged_MusicDir = false;
QStringList dirs = m_pLibrary->getDirs();
if (dirs.size() < 1) {
// TODO(XXX) this needs to be smarter, we can't distinguish between an empty
// path return value (not sure if this is normally possible, but it is
// possible with the Windows 7 "Music" library, which is what
// QStandardPaths::writableLocation(QStandardPaths::MusicLocation)
// resolves to) and a user hitting 'cancel'. If we get a blank return
// but the user didn't hit cancel, we need to know this and let the
// user take some course of action -- bkgood
QString fd = QFileDialog::getExistingDirectory(
this, tr("Choose music library directory"),
QStandardPaths::writableLocation(QStandardPaths::MusicLocation));
if (!fd.isEmpty()) {
// adds Folder to database.
m_pLibrary->slotRequestAddDir(fd);
hasChanged_MusicDir = true;
}
}
// Call inits to invoke all other construction parts
// Initialize controller sub-system,
// but do not set up controllers until the end of the application startup
// (long)
qDebug() << "Creating ControllerManager";
m_pControllerManager = new ControllerManager(pConfig);
launchProgress(47);
// Before creating the first skin we need to create a QGLWidget so that all
// the QGLWidget's we create can use it as a shared QGLContext.
if (!CmdlineArgs::Instance().getSafeMode() && QGLFormat::hasOpenGL()) {
QGLFormat glFormat;
glFormat.setDirectRendering(true);
glFormat.setDoubleBuffer(true);
glFormat.setDepth(false);
// Disable waiting for vertical Sync
// This can be enabled when using a single Threads for each QGLContext
// Setting 1 causes QGLContext::swapBuffer to sleep until the next VSync
#if defined(__APPLE__)
// On OS X, syncing to vsync has good performance FPS-wise and
// eliminates tearing.
glFormat.setSwapInterval(1);
#else
// Otherwise, turn VSync off because it could cause horrible FPS on
// Linux.
// TODO(XXX): Make this configurable.
// TODO(XXX): What should we do on Windows?
glFormat.setSwapInterval(0);
#endif
glFormat.setRgba(true);
QGLFormat::setDefaultFormat(glFormat);
QGLWidget* pContextWidget = new QGLWidget(this);
pContextWidget->setGeometry(QRect(0, 0, 3, 3));
pContextWidget->hide();
SharedGLContext::setWidget(pContextWidget);
}
WaveformWidgetFactory::createInstance(); // takes a long time
WaveformWidgetFactory::instance()->setConfig(pConfig);
WaveformWidgetFactory::instance()->startVSync(m_pGuiTick, m_pVisualsManager);
launchProgress(52);
connect(this,
&MixxxMainWindow::newSkinLoaded,
m_pLibrary,
&Library::onSkinLoadFinished);
// Inhibit the screensaver if the option is set. (Do it before creating the preferences dialog)
int inhibit = pConfig->getValue<int>(ConfigKey("[Config]","InhibitScreensaver"),-1);
if (inhibit == -1) {
inhibit = static_cast<int>(mixxx::ScreenSaverPreference::PREVENT_ON);
pConfig->setValue<int>(ConfigKey("[Config]","InhibitScreensaver"), inhibit);
}
m_inhibitScreensaver = static_cast<mixxx::ScreenSaverPreference>(inhibit);
if (m_inhibitScreensaver == mixxx::ScreenSaverPreference::PREVENT_ON) {
mixxx::ScreenSaverHelper::inhibit();
}
// Initialize preference dialog
m_pPrefDlg = new DlgPreferences(this, m_pSkinLoader, m_pSoundManager, m_pPlayerManager,
m_pControllerManager, m_pVCManager, pLV2Backend, m_pEffectsManager,
m_pSettingsManager, m_pLibrary);
m_pPrefDlg->setWindowIcon(QIcon(":/images/mixxx_icon.svg"));
m_pPrefDlg->setHidden(true);
launchProgress(60);
// Connect signals to the menubar. Should be done before we go fullscreen
// and emit newSkinLoaded.
connectMenuBar();
launchProgress(63);
QWidget* oldWidget = m_pWidgetParent;
// Load default styles that can be overridden by skins
QFile file(":/skins/default.qss");
if (file.open(QIODevice::ReadOnly)) {
QByteArray fileBytes = file.readAll();
QString style = QString::fromLocal8Bit(fileBytes.constData(),
fileBytes.length());
setStyleSheet(style);
} else {
qWarning() << "Failed to load default skin styles!";
}
// Load skin to a QWidget that we set as the central widget. Assignment
// intentional in next line.
if (!(m_pWidgetParent = m_pSkinLoader->loadConfiguredSkin(this, m_pKeyboard,
m_pPlayerManager,
m_pControllerManager,
m_pLibrary,
m_pVCManager,
m_pEffectsManager,
m_pRecordingManager))) {
reportCriticalErrorAndQuit(
"default skin cannot be loaded see <b>mixxx</b> trace for more information.");
m_pWidgetParent = oldWidget;
//TODO (XXX) add dialog to warn user and launch skin choice page
}
// Fake a 100 % progress here.
// At a later place it will newer shown up, since it is
// immediately replaced by the real widget.
launchProgress(100);
// Check direct rendering and warn user if they don't have it
if (!CmdlineArgs::Instance().getSafeMode()) {
checkDirectRendering();
}
// Install an event filter to catch certain QT events, such as tooltips.
// This allows us to turn off tooltips.
pApp->installEventFilter(this); // The eventfilter is located in this
// Mixxx class as a callback.
// If we were told to start in fullscreen mode on the command-line or if
// user chose always starts in fullscreen mode, then turn on fullscreen
// mode.
bool fullscreenPref = pConfig->getValue<bool>(
ConfigKey("[Config]", "StartInFullscreen"));
if (args.getStartInFullscreen() || fullscreenPref) {
slotViewFullScreen(true);
}
emit newSkinLoaded();
// Wait until all other ControlObjects are set up before initializing
// controllers
m_pControllerManager->setUpDevices();
// Scan the library for new files and directories
bool rescan = pConfig->getValue<bool>(
ConfigKey("[Library]","RescanOnStartup"));
// rescan the library if we get a new plugin
QList<QString> prev_plugins_list = pConfig->getValueString(
ConfigKey("[Library]", "SupportedFileExtensions")).split(
",", QString::SkipEmptyParts);
// TODO: QSet<T>::fromList(const QList<T>&) is deprecated and should be
// replaced with QSet<T>(list.begin(), list.end()).
// However, the proposed alternative has just been introduced in Qt
// 5.14. Until the minimum required Qt version of Mixx is increased,
// we need a version check here
QSet<QString> prev_plugins =
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
QSet<QString>(prev_plugins_list.begin(), prev_plugins_list.end());
#else
QSet<QString>::fromList(prev_plugins_list);
#endif
QList<QString> curr_plugins_list = SoundSourceProxy::getSupportedFileExtensions();
QSet<QString> curr_plugins =
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
QSet<QString>(curr_plugins_list.begin(), curr_plugins_list.end());
#else
QSet<QString>::fromList(curr_plugins_list);
#endif
rescan = rescan || (prev_plugins != curr_plugins);
pConfig->set(ConfigKey("[Library]", "SupportedFileExtensions"),
QStringList(SoundSourceProxy::getSupportedFileExtensions()).join(","));
// Scan the library directory. Do this after the skinloader has
// loaded a skin, see Bug #1047435
if (rescan || hasChanged_MusicDir || m_pSettingsManager->shouldRescanLibrary()) {
m_pTrackCollectionManager->startLibraryScan();
}
// This has to be done before m_pSoundManager->setupDevices()
// https://bugs.launchpad.net/mixxx/+bug/1758189
m_pPlayerManager->loadSamplers();
// Try open player device If that fails, the preference panel is opened.
bool retryClicked;
do {
retryClicked = false;
SoundDeviceError result = m_pSoundManager->setupDevices();
if (result == SOUNDDEVICE_ERROR_DEVICE_COUNT ||
result == SOUNDDEVICE_ERROR_EXCESSIVE_OUTPUT_CHANNEL) {
if (soundDeviceBusyDlg(&retryClicked) != QDialog::Accepted) {
exit(0);
}
} else if (result != SOUNDDEVICE_ERROR_OK) {
if (soundDeviceErrorMsgDlg(result, &retryClicked) !=
QDialog::Accepted) {
exit(0);
}
}
} while (retryClicked);
// test for at least one out device, if none, display another dlg that
// says "mixxx will barely work with no outs"
// In case persisting errors, the user has already received a message
// box from the preferences dialog above. So we can watch here just the
// output count.
while (m_pSoundManager->getConfig().getOutputs().count() == 0) {
// Exit when we press the Exit button in the noSoundDlg dialog
// only call it if result != OK
bool continueClicked = false;
if (noOutputDlg(&continueClicked) != QDialog::Accepted) {
exit(0);
}
if (continueClicked) break;
}
// Load tracks in args.qlMusicFiles (command line arguments) into player
// 1 and 2:
const QList<QString>& musicFiles = args.getMusicFiles();
for (int i = 0; i < (int)m_pPlayerManager->numDecks()
&& i < musicFiles.count(); ++i) {
if (SoundSourceProxy::isFileNameSupported(musicFiles.at(i))) {
m_pPlayerManager->slotLoadToDeck(musicFiles.at(i), i+1);
}
}
connect(&PlayerInfo::instance(),
&PlayerInfo::currentPlayingTrackChanged,
this,
&MixxxMainWindow::slotUpdateWindowTitle);
connect(&PlayerInfo::instance(),
&PlayerInfo::currentPlayingDeckChanged,
this,
&MixxxMainWindow::slotChangedPlayingDeck);
// this has to be after the OpenGL widgets are created or depending on a
// million different variables the first waveform may be horribly
// corrupted. See bug 521509 -- bkgood ?? -- vrince
setCentralWidget(m_pWidgetParent);
// The launch image widget is automatically disposed, but we still have a
// pointer to it.
m_pLaunchImage = nullptr;
}
void MixxxMainWindow::finalize() {
Timer t("MixxxMainWindow::~finalize");
t.start();
if (m_inhibitScreensaver != mixxx::ScreenSaverPreference::PREVENT_OFF) {
mixxx::ScreenSaverHelper::uninhibit();
}
// Stop all pending library operations
qDebug() << t.elapsed(false).debugMillisWithUnit() << "stopping pending Library tasks";
m_pTrackCollectionManager->stopLibraryScan();
m_pLibrary->stopPendingTasks();
// Save the current window state (position, maximized, etc)
m_pSettingsManager->settings()->set(ConfigKey("[MainWindow]", "geometry"),
QString(saveGeometry().toBase64()));
m_pSettingsManager->settings()->set(ConfigKey("[MainWindow]", "state"),
QString(saveState().toBase64()));
qDebug() << "Destroying MixxxMainWindow";
qDebug() << t.elapsed(false).debugMillisWithUnit() << "saving configuration";
m_pSettingsManager->save();
// GUI depends on KeyboardEventFilter, PlayerManager, Library
qDebug() << t.elapsed(false).debugMillisWithUnit() << "deleting skin";
m_pWidgetParent = nullptr;
QPointer<QWidget> pSkin(centralWidget());
setCentralWidget(nullptr);
if (!pSkin.isNull()) {
QCoreApplication::sendPostedEvents(pSkin, QEvent::DeferredDelete);
}
// Our central widget is now deleted.
VERIFY_OR_DEBUG_ASSERT(pSkin.isNull()) {
qWarning() << "Central widget was not deleted by our sendPostedEvents trick.";
}
// TODO(rryan): WMainMenuBar holds references to controls so we need to delete it
// before MixxxMainWindow is destroyed. QMainWindow calls deleteLater() in
// setMenuBar() but we need to delete it now so we can ask for
// DeferredDelete events to be processed for it. Once Mixxx shutdown lives
// outside of MixxxMainWindow the parent relationship will directly destroy
// the WMainMenuBar and this will no longer be a problem.
qDebug() << t.elapsed(false).debugMillisWithUnit() << "deleting menubar";
QPointer<QWidget> pMenuBar(menuBar());
setMenuBar(nullptr);
if (!pMenuBar.isNull()) {
QCoreApplication::sendPostedEvents(pMenuBar, QEvent::DeferredDelete);
}
// Our main menu is now deleted.
VERIFY_OR_DEBUG_ASSERT(pMenuBar.isNull()) {
qWarning() << "WMainMenuBar was not deleted by our sendPostedEvents trick.";
}
// SoundManager depend on Engine and Config
qDebug() << t.elapsed(false).debugMillisWithUnit() << "deleting SoundManager";
delete m_pSoundManager;
// ControllerManager depends on Config
qDebug() << t.elapsed(false).debugMillisWithUnit() << "deleting ControllerManager";
delete m_pControllerManager;
#ifdef __VINYLCONTROL__
// VinylControlManager depends on a CO the engine owns
// (vinylcontrol_enabled in VinylControlControl)
qDebug() << t.elapsed(false).debugMillisWithUnit() << "deleting VinylControlManager";
delete m_pVCManager;
#endif
// CoverArtCache is fairly independent of everything else.
CoverArtCache::destroy();
// PlayerManager depends on Engine, SoundManager, VinylControlManager, and Config
// The player manager has to be deleted before the library to ensure
// that all modified track metadata of loaded tracks is saved.
qDebug() << t.elapsed(false).debugMillisWithUnit() << "deleting PlayerManager";
delete m_pPlayerManager;
// Destroy PlayerInfo explicitly to release the track
// pointers of tracks that were still loaded in decks
// or samplers when PlayerManager was destroyed!
PlayerInfo::destroy();
// Delete the library after the view so there are no dangling pointers to
// the data models.
// Depends on RecordingManager and PlayerManager
qDebug() << t.elapsed(false).debugMillisWithUnit() << "deleting Library";
delete m_pLibrary;
// RecordingManager depends on config, engine
qDebug() << t.elapsed(false).debugMillisWithUnit() << "deleting RecordingManager";
delete m_pRecordingManager;
#ifdef __BROADCAST__
// BroadcastManager depends on config, engine
qDebug() << t.elapsed(false).debugMillisWithUnit() << "deleting BroadcastManager";
delete m_pBroadcastManager;
#endif
// EngineMaster depends on Config and m_pEffectsManager.
qDebug() << t.elapsed(false).debugMillisWithUnit() << "deleting EngineMaster";
delete m_pEngine;
qDebug() << t.elapsed(false).debugMillisWithUnit() << "deleting DlgPreferences";
delete m_pPrefDlg;
// Must delete after EngineMaster and DlgPrefEq.
qDebug() << t.elapsed(false).debugMillisWithUnit() << "deleting EffectsManager";
delete m_pEffectsManager;
delete m_pTouchShift;
WaveformWidgetFactory::destroy();
delete m_pGuiTick;
delete m_pVisualsManager;
// Check for leaked ControlObjects and give warnings.
QList<QSharedPointer<ControlDoublePrivate> > leakedControls;
QList<ConfigKey> leakedConfigKeys;
ControlDoublePrivate::getControls(&leakedControls);
if (leakedControls.size() > 0) {
qDebug() << "WARNING: The following" << leakedControls.size()
<< "controls were leaked:";
foreach (QSharedPointer<ControlDoublePrivate> pCDP, leakedControls) {
if (pCDP.isNull()) {
continue;
}
ConfigKey key = pCDP->getKey();
qDebug() << key.group << key.item << pCDP->getCreatorCO();
leakedConfigKeys.append(key);
}
// Deleting leaked objects helps to satisfy valgrind.
// These delete calls could cause crashes if a destructor for a control
// we thought was leaked is triggered after this one exits.
// So, only delete so if developer mode is on.
if (CmdlineArgs::Instance().getDeveloper()) {
foreach (ConfigKey key, leakedConfigKeys) {
// A deletion early in the list may trigger a destructor
// for a control later in the list, so we check for a null
// pointer each time.
ControlObject* pCo = ControlObject::getControl(key, false);
if (pCo) {
delete pCo;
}
}
}
leakedControls.clear();
}
// Delete the track collections after all internal track pointers
// in other components have been released by deleting those components
// beforehand!
qDebug() << t.elapsed(false).debugMillisWithUnit() << "detaching all track collections";
delete m_pTrackCollectionManager;
qDebug() << t.elapsed(false).debugMillisWithUnit() << "closing database connection(s)";
m_pDbConnectionPool->destroyThreadLocalConnection();
m_pDbConnectionPool.reset(); // should drop the last reference
// HACK: Save config again. We saved it once before doing some dangerous
// stuff. We only really want to save it here, but the first one was just
// a precaution. The earlier one can be removed when stuff is more stable
// at exit.
m_pSettingsManager->save();
Sandbox::shutdown();
qDebug() << t.elapsed(false).debugMillisWithUnit() << "deleting SettingsManager";
delete m_pKeyboard;
delete m_pKbdConfig;
delete m_pKbdConfigEmpty;
t.elapsed(true);
// Report the total time we have been running.
m_runtime_timer.elapsed(true);
StatsManager::destroy();
}
bool MixxxMainWindow::initializeDatabase() {
kLogger.info() << "Connecting to database";
QSqlDatabase dbConnection = mixxx::DbConnectionPooled(m_pDbConnectionPool);
if (!dbConnection.isOpen()) {
QMessageBox::critical(0, tr("Cannot open database"),
tr("Unable to establish a database connection.\n"
"Mixxx requires QT with SQLite support. Please read "
"the Qt SQL driver documentation for information on how "
"to build it.\n\n"
"Click OK to exit."), QMessageBox::Ok);
return false;
}
kLogger.info() << "Initializing or upgrading database schema";
return MixxxDb::initDatabaseSchema(dbConnection);
}
void MixxxMainWindow::initializeWindow() {
// be sure createMenuBar() is called first
DEBUG_ASSERT(m_pMenuBar != nullptr);
QPalette Pal(palette());
// safe default QMenuBar background
QColor MenuBarBackground(m_pMenuBar->palette().color(QPalette::Window));
Pal.setColor(QPalette::Window, QColor(0x202020));
setAutoFillBackground(true);
setPalette(Pal);
// restore default QMenuBar background
Pal.setColor(QPalette::Window, MenuBarBackground);
m_pMenuBar->setPalette(Pal);
// Restore the current window state (position, maximized, etc)
restoreGeometry(QByteArray::fromBase64(m_pSettingsManager->settings()->getValueString(
ConfigKey("[MainWindow]", "geometry")).toUtf8()));
restoreState(QByteArray::fromBase64(m_pSettingsManager->settings()->getValueString(
ConfigKey("[MainWindow]", "state")).toUtf8()));
setWindowIcon(QIcon(":/images/mixxx_icon.svg"));
slotUpdateWindowTitle(TrackPointer());
}
void MixxxMainWindow::initializeKeyboard() {
UserSettingsPointer pConfig = m_pSettingsManager->settings();
QString resourcePath = pConfig->getResourcePath();
// Set the default value in settings file
if (pConfig->getValueString(ConfigKey("[Keyboard]","Enabled")).length() == 0)
pConfig->set(ConfigKey("[Keyboard]","Enabled"), ConfigValue(1));
// Read keyboard configuration and set kdbConfig object in WWidget
// Check first in user's Mixxx directory
QString userKeyboard = QDir(pConfig->getSettingsPath()).filePath("Custom.kbd.cfg");
// Empty keyboard configuration
m_pKbdConfigEmpty = new ConfigObject<ConfigValueKbd>(QString());
if (QFile::exists(userKeyboard)) {
qDebug() << "Found and will use custom keyboard preset" << userKeyboard;
m_pKbdConfig = new ConfigObject<ConfigValueKbd>(userKeyboard);
} else {
// Default to the locale for the main input method (e.g. keyboard).
QLocale locale = inputLocale();
// check if a default keyboard exists
QString defaultKeyboard = QString(resourcePath).append("keyboard/");
defaultKeyboard += locale.name();
defaultKeyboard += ".kbd.cfg";
qDebug() << "Found and will use default keyboard preset" << defaultKeyboard;
if (!QFile::exists(defaultKeyboard)) {
qDebug() << defaultKeyboard << " not found, using en_US.kbd.cfg";
defaultKeyboard = QString(resourcePath).append("keyboard/").append("en_US.kbd.cfg");
if (!QFile::exists(defaultKeyboard)) {
qDebug() << defaultKeyboard << " not found, starting without shortcuts";
defaultKeyboard = "";
}
}
m_pKbdConfig = new ConfigObject<ConfigValueKbd>(defaultKeyboard);
}
// TODO(XXX) leak pKbdConfig, KeyboardEventFilter owns it? Maybe roll all keyboard
// initialization into KeyboardEventFilter
// Workaround for today: KeyboardEventFilter calls delete
bool keyboardShortcutsEnabled = pConfig->getValue<bool>(
ConfigKey("[Keyboard]", "Enabled"));
m_pKeyboard = new KeyboardEventFilter(keyboardShortcutsEnabled ? m_pKbdConfig : m_pKbdConfigEmpty);
}
QDialog::DialogCode MixxxMainWindow::soundDeviceErrorDlg(
const QString &title, const QString &text, bool* retryClicked) {
QMessageBox msgBox;
msgBox.setIcon(QMessageBox::Warning);
msgBox.setWindowTitle(title);
msgBox.setText(text);
QPushButton* retryButton =
msgBox.addButton(tr("Retry"), QMessageBox::ActionRole);
QPushButton* reconfigureButton =
msgBox.addButton(tr("Reconfigure"), QMessageBox::ActionRole);
QPushButton* wikiButton =
msgBox.addButton(tr("Help"), QMessageBox::ActionRole);
QPushButton* exitButton =
msgBox.addButton(tr("Exit"), QMessageBox::ActionRole);
while (true)
{
msgBox.exec();
if (msgBox.clickedButton() == retryButton) {
m_pSoundManager->clearAndQueryDevices();
*retryClicked = true;
return QDialog::Accepted;
} else if (msgBox.clickedButton() == wikiButton) {
QDesktopServices::openUrl(QUrl(
"http://mixxx.org/wiki/doku.php/troubleshooting"
"#i_can_t_select_my_sound_card_in_the_sound_hardware_preferences"));
wikiButton->setEnabled(false);
} else if (msgBox.clickedButton() == reconfigureButton) {
msgBox.hide();
m_pSoundManager->clearAndQueryDevices();
// This way of opening the dialog allows us to use it synchronously
m_pPrefDlg->setWindowModality(Qt::ApplicationModal);
m_pPrefDlg->exec();
if (m_pPrefDlg->result() == QDialog::Accepted) {
return QDialog::Accepted;
}
msgBox.show();
} else if (msgBox.clickedButton() == exitButton) {
// Will finally quit Mixxx
return QDialog::Rejected;
}
}
}
QDialog::DialogCode MixxxMainWindow::soundDeviceBusyDlg(bool* retryClicked) {
QString title(tr("Sound Device Busy"));
QString text(
"<html> <p>" %
tr("Mixxx was unable to open all the configured sound devices.") +
"</p> <p>" %
m_pSoundManager->getErrorDeviceName() %
" is used by another application or not plugged in."
"</p><ul>"
"<li>" %
tr("<b>Retry</b> after closing the other application "
"or reconnecting a sound device") %
"</li>"
"<li>" %
tr("<b>Reconfigure</b> Mixxx's sound device settings.") %
"</li>"
"<li>" %
tr("Get <b>Help</b> from the Mixxx Wiki.") %
"</li>"
"<li>" %
tr("<b>Exit</b> Mixxx.") %
"</li>"
"</ul></html>"
);
return soundDeviceErrorDlg(title, text, retryClicked);
}
QDialog::DialogCode MixxxMainWindow::soundDeviceErrorMsgDlg(
SoundDeviceError err, bool* retryClicked) {
QString title(tr("Sound Device Error"));
QString text(
"<html> <p>" %
tr("Mixxx was unable to open all the configured sound devices.") +
"</p> <p>" %
m_pSoundManager->getLastErrorMessage(err).replace("\n", "<br/>") %
"</p><ul>"
"<li>" %
tr("<b>Retry</b> after fixing an issue") %
"</li>"
"<li>" %
tr("<b>Reconfigure</b> Mixxx's sound device settings.") %
"</li>"
"<li>" %
tr("Get <b>Help</b> from the Mixxx Wiki.") %