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#include "mixxxapplication.h"
#include <QThreadPool>
#include <QTouchEvent>
#include <QtDebug>
#include "audio/frame.h"
#include "audio/types.h"
#include "control/controlproxy.h"
#include "library/trackset/crate/crateid.h"
#include "moc_mixxxapplication.cpp"
#include "soundio/soundmanagerutil.h"
#include "track/track.h"
#include "track/trackref.h"
#include "util/cache.h"
#include "util/color/rgbcolor.h"
#include "util/fileinfo.h"
#include "util/math.h"
// When linking Qt statically, the Q_IMPORT_PLUGIN is needed for each linked plugin.
// https://doc.qt.io/qt-5/plugins-howto.html#details-of-linking-static-plugins
#ifdef QT_STATIC
#include <QtPlugin>
#if defined(Q_OS_WIN)
Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)
Q_IMPORT_PLUGIN(QWindowsVistaStylePlugin)
#elif defined(Q_OS_MACOS)
Q_IMPORT_PLUGIN(QCocoaIntegrationPlugin)
Q_IMPORT_PLUGIN(QMacStylePlugin)
#else
#error "Q_IMPORT_PLUGIN() for the current patform is missing"
#endif
Q_IMPORT_PLUGIN(QOffscreenIntegrationPlugin)
Q_IMPORT_PLUGIN(QMinimalIntegrationPlugin)
Q_IMPORT_PLUGIN(QSQLiteDriverPlugin)
Q_IMPORT_PLUGIN(QSvgPlugin)
Q_IMPORT_PLUGIN(QICOPlugin)
Q_IMPORT_PLUGIN(QJpegPlugin)
Q_IMPORT_PLUGIN(QGifPlugin)
#endif // QT_STATIC
namespace {
/// This class allows to change the button of a mouse event on the fly.
/// This is required because we want to change the behaviour of Qts mouse
/// buttony synthesizer without duplicate all the code.
class QMouseEventEditable : public QMouseEvent {
public:
void setButton(Qt::MouseButton button) {
b = button;
}
};
} // anonymous namespace
MixxxApplication::MixxxApplication(int& argc, char** argv)
: QApplication(argc, argv),
m_rightPressedButtons(0),
m_pTouchShift(nullptr) {
registerMetaTypes();
// Increase the size of the global thread pool to at least
// 4 threads, even if less cores are available. These threads
// will be used for loading external libraries and other tasks.
QThreadPool::globalInstance()->setMaxThreadCount(
math_max(4, QThreadPool::globalInstance()->maxThreadCount()));
}
void MixxxApplication::registerMetaTypes() {
// PCM audio types
qRegisterMetaType<mixxx::audio::ChannelCount>("mixxx::audio::ChannelCount");
qRegisterMetaType<mixxx::audio::ChannelLayout>("mixxx::audio::ChannelLayout");
qRegisterMetaType<mixxx::audio::OptionalChannelLayout>("mixxx::audio::OptionalChannelLayout");
qRegisterMetaType<mixxx::audio::SampleRate>("mixxx::audio::SampleRate");
qRegisterMetaType<mixxx::audio::Bitrate>("mixxx::audio::Bitrate");
// Tracks
qRegisterMetaType<TrackId>();
qRegisterMetaType<QSet<TrackId>>();
qRegisterMetaType<QList<TrackId>>();
qRegisterMetaType<TrackRef>();
qRegisterMetaType<QList<TrackRef>>();
qRegisterMetaType<QList<QPair<TrackRef, TrackRef>>>();
qRegisterMetaType<TrackPointer>();
// Crates
qRegisterMetaType<CrateId>();
qRegisterMetaType<QSet<CrateId>>();
qRegisterMetaType<QList<CrateId>>();
// Sound devices
qRegisterMetaType<SoundDeviceId>();
QMetaType::registerComparators<SoundDeviceId>();
// Various custom data types
qRegisterMetaType<mixxx::ReplayGain>("mixxx::ReplayGain");
qRegisterMetaType<mixxx::cache_key_t>("mixxx::cache_key_t");
qRegisterMetaType<mixxx::Bpm>("mixxx::Bpm");
qRegisterMetaType<mixxx::Duration>("mixxx::Duration");
qRegisterMetaType<mixxx::audio::FramePos>("mixxx::audio::FramePos");
qRegisterMetaType<std::optional<mixxx::RgbColor>>("std::optional<mixxx::RgbColor>");
qRegisterMetaType<mixxx::FileInfo>("mixxx::FileInfo");
}
bool MixxxApplication::notify(QObject* target, QEvent* event) {
// All touch events are translated into two simultaneous events: one for
// the target QWidgetWindow and one for the target QWidget.
// A second touch becomes a mouse move without additional press and release
// events.
switch (event->type()) {
case QEvent::MouseButtonPress: {
QMouseEventEditable* mouseEvent = static_cast<QMouseEventEditable*>(event);
if (mouseEvent->source() == Qt::MouseEventSynthesizedByQt &&
mouseEvent->button() == Qt::LeftButton &&
touchIsRightButton()) {
// Assert the assumption that QT synthesizes only one click at a time
// = two events (see above)
VERIFY_OR_DEBUG_ASSERT(m_rightPressedButtons < 2) {
break;
}
mouseEvent->setButton(Qt::RightButton);
m_rightPressedButtons++;
}
break;
}
case QEvent::MouseButtonRelease: {
QMouseEventEditable* mouseEvent = static_cast<QMouseEventEditable*>(event);
if (mouseEvent->source() == Qt::MouseEventSynthesizedByQt &&
mouseEvent->button() == Qt::LeftButton &&
m_rightPressedButtons > 0) {
mouseEvent->setButton(Qt::RightButton);
m_rightPressedButtons--;
}
break;
}
default:
break;
}
return QApplication::notify(target, event);
}
bool MixxxApplication::touchIsRightButton() {
if (!m_pTouchShift) {
m_pTouchShift = new ControlProxy(
"[Controls]", "touch_shift", this);
}
return m_pTouchShift->toBool();
}
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