void OpenGLComponent::updateContext()
{
if (needToDeleteContext)
deleteContext();
if (context == nullptr)
{
const ScopedLock sl (contextLock);
if (context == nullptr)
{
context = createContext();
if (context != nullptr)
{
#if JUCE_LINUX
if (! isUsingDedicatedThread())
#endif
updateContextPosition();
if (context->makeActive())
{
newOpenGLContextCreated();
context->makeInactive();
}
}
}
}
}
void TguitarView::displayAt(const QPointF& scenePos) {
m_fret = m_guitar->pointToFinger(QPoint(scenePos.x(), m_guitar->height() / 2)).fret();
updateContextPosition();
proxy()->setPos(m_fret ? m_guitar->fretPositionX(m_fret) + 9.0 : m_parent->width() - width(), m_parent->height() - height() - 4);
proxy()->show();
updateMarkPosition();
}
void OpenGLComponent::updateContext()
{
//request to delete the context
if (needToDeleteContext)
{
if (context.nativeContext!=nullptr)
{
context.nativeContext->shutdownOnRenderThread();
delete context.nativeContext;
context.nativeContext=nullptr;
}
needToDeleteContext = false;
}
//do not create the context if not visible!
if (!this->isVisible())
return;
//recreate native context
if (context.nativeContext==nullptr)
{
const ScopedLock sl(contextLock);
if (context.nativeContext==nullptr)
{
context.nativeContext = new OpenGLContext::NativeContext (*this, preferredPixelFormat,
contextToShareListsWith != nullptr ? contextToShareListsWith->nativeContext: nullptr);
if (!context.nativeContext->createdOk())
{
delete context.nativeContext;
context.nativeContext=nullptr;
}
if (context.nativeContext!=nullptr)
{
context.nativeContext->initialiseOnRenderThread();
updateContextPosition();
glViewport (0, 0, getWidth(), getHeight());
if (context.makeActive())
{
context.extensions.initialise();
newOpenGLContextCreated();
makeCurrentContextInactive();
}
}
}
}
}
bool TguitarView::mapTouchEvent(QTouchEvent* te) {
#if defined (Q_OS_ANDROID)
if (isPreview()) { // PREVIEW MODE
if (!TtouchParams::i()->guitarWasTouched) { // display hint how to use fret preview
tMessage->setMessage(TtouchProxy::touchGuitarHelp(), 0);
TtouchParams::i()->guitarWasTouched = true;
}
switch (te->type()) {
case QEvent::TouchBegin: {
if (proxy()->isVisible()) // already displayed - can be scrolled or selected
m_couldBeTouch = true;
break;
}
case QEvent::TouchUpdate: {
if (isVisible() && m_touchStartedHere &&
QLineF(te->touchPoints().first().pos(), te->touchPoints().first().startPos()).length() > Tmtr::fingerPixels() / 2)
{ // scrolling - so not selected
horizontalScrollBar()->setValue(horizontalScrollBar()->value() +
(te->touchPoints()[0].pos().x() - te->touchPoints()[0].lastPos().x()));
quint8 currFret = m_guitar->pointToFinger(QPoint(horizontalScrollBar()->value() / transform().m11(),
m_guitar->height() / 2)).fret();
if ((m_fret == 1 && currFret > 1) || (m_fret != 1 && currFret != m_fret)) {
m_fret = currFret;
updateMarkPosition();
proxy()->setPos(m_fret ? m_guitar->fretPositionX(m_fret) + 9.0 :
m_parent->width() - width(), m_parent->height() - height() - 4);
}
m_couldBeTouch = false;
}
break;
}
case QEvent::TouchEnd: {
if (isVisible()) {
if (m_touchStartedHere) { // preview was touched so it might be scrolled or touched
if (m_couldBeTouch) { // it was touched - fake press the guitar
if (m_parent->itemAt(te->touchPoints().first().startPos().toPoint()) == proxy()) {
QPointF mtgv = proxy()->mapFromScene(te->touchPoints().first().pos()); // mapped from global scene to guitar view
m_guitar->fakePress(QPointF((mtgv.x() + horizontalScrollBar()->value()) / transform().m11(),
mtgv.y() / transform().m11()).toPoint());
}
} else // touched but scrolled - update displayed fret
updateContextPosition();
} else // guitar (parent widget) was touched, so hide the preview
hide();
} else // not visible -display it at touch position
displayAt(te->touchPoints().first().pos());
m_touchStartedHere = false;
m_couldBeTouch = false;
break;
}
default:
break;
}
} else
#endif
{ // NO PREVIEW - only convert touch in guitar into mouse press
if (te->type() == QEvent::TouchEnd)
m_guitar->fakePress(QPoint(te->touchPoints().first().pos().x() - m_guitar->x(),
te->touchPoints().first().pos().y() - m_guitar->y()));
}
return true;
}