yacreader/YACReader/goto_flow_gl.cpp

#include "goto_flow_gl.h"

#include <QLineEdit>
#include <QIntValidator>
#include <QPushButton>
#include <QPushButton>
#include <QSize>

#include "configuration.h"

GoToFlowGL::GoToFlowGL(QWidget* parent, FlowType flowType)
	:GoToFlowWidget(parent)
{
	//worker = new PageLoader;

	QVBoxLayout * layout = new QVBoxLayout(this);
	flow = new YACReaderPageFlowGL(this);
	//flow->populate(50);
	//flow->setReflectionEffect(PictureFlow::PlainReflection);
	imageSize = Configuration::getConfiguration().getGotoSlideSize();

	flow->setSlideSize(imageSize);
	connect(flow,SIGNAL(centerIndexChanged(int)),this,SLOT(setPageNumber(int)));
	connect(flow,SIGNAL(selected(unsigned int)),this,SLOT(goTo()));

	QHBoxLayout * bottom = new QHBoxLayout(this);
	bottom->addStretch();
	bottom->addWidget(new QLabel(tr("Page : "),this));
	bottom->addWidget(edit = new QLineEdit(this));
	v = new QIntValidator(this);
	v->setBottom(1);
	edit->setValidator(v);
	edit->setAlignment(Qt::AlignRight|Qt::AlignVCenter);
	edit->setFixedWidth(40);
	edit->setSizePolicy(QSizePolicy(QSizePolicy::Fixed,QSizePolicy::Minimum));

	centerButton = new QPushButton(this);
	centerButton->setIcon(QIcon(":/images/center.png"));
	connect(centerButton,SIGNAL(clicked()),this,SLOT(centerSlide()));
	bottom->addWidget(centerButton);

	goToButton = new QPushButton(this);
	goToButton->setIcon(QIcon(":/images/goto.png"));
	connect(goToButton,SIGNAL(clicked()),this,SLOT(goTo()));
	bottom->addWidget(goToButton);

	bottom->addStretch();

	layout->addWidget(flow);
	layout->addLayout(bottom);
	layout->setStretchFactor(flow,1);
	layout->setStretchFactor(bottom,0);
	layout->setMargin(0);
	layout->setSpacing(0);
	setLayout(layout);
	this->setAutoFillBackground(true);
	resize(static_cast<int>(5*imageSize.width()),static_cast<int>(imageSize.height()*1.7));

	//install eventFilter
	flow->installEventFilter(this);
	edit->installEventFilter(this);
	centerButton->installEventFilter(this);
	goToButton->installEventFilter(this);

	connect(edit,SIGNAL(returnPressed()),goToButton,SIGNAL(clicked()));

	this->setCursor(QCursor(Qt::ArrowCursor));
}

bool GoToFlowGL::eventFilter(QObject *target, QEvent *event)
{
	if (event->type() == QEvent::KeyPress) 
	{
		QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
		int key = keyEvent->key();
		if((key==Qt::Key_Return)||
			(key==Qt::Key_Enter)||
			(key==Qt::Key_Space)||
			(key==Qt::Key_Left)||
			(key==Qt::Key_Right)||
			(key==Qt::Key_S))
			this->keyPressEvent(keyEvent);
	}
	return QWidget::eventFilter(target, event);
}

void GoToFlowGL::keyPressEvent(QKeyEvent* event)
{
	switch (event->key())
	{
	case Qt::Key_Return: case Qt::Key_Enter:
		goTo();
		centerSlide();
		break;
	case Qt::Key_Space:
		centerSlide();
		break;
	case Qt::Key_S:
		QCoreApplication::sendEvent(this->parent(),event);
		break;
	case Qt::Key_Left: case Qt::Key_Right:
		//if(event->modifiers() == Qt::ControlModifier)
			//flow->keyPressEvent(event);
			//QCoreApplication::sendEvent(flow,event);
		break;
	}

	event->accept();
}

void GoToFlowGL::goTo()
{
	emit(goToPage(edit->text().toInt()));
}

void GoToFlowGL::reset()
{
	flow->reset();
}

void GoToFlowGL::centerSlide()
{
	int page = edit->text().toInt()-1;
	flow->setCenterIndex(page);
}

void GoToFlowGL::centerSlide(int slide)
{
	if(flow->centerIndex()!=slide)
	{
		flow->setCenterIndex(slide);
	}
}
void GoToFlowGL::setPageNumber(int page)
{
	edit->setText(QString::number(page+1));
}

void GoToFlowGL::setFlowType(FlowType flowType)
{
	if(flowType == CoverFlowLike)
		flow->setPreset(presetYACReaderFlowClassicConfig);
	else if(flowType == Strip)
		flow->setPreset(presetYACReaderFlowStripeConfig);
	else if(flowType == StripOverlapped)
		flow->setPreset(presetYACReaderFlowOverlappedStripeConfig);
	else
		flow->setPreset(defaultYACReaderFlowConfig);
}

void GoToFlowGL::setNumSlides(unsigned int slides)
{
	flow->populate(slides);
	v->setTop(slides);
}
void GoToFlowGL::setImageReady(int index,const QByteArray & imageData)
{
	flow->rawImages[index] = imageData;
	flow->imagesReady[index] = true;
	
	//QImage image;
	//image.loadFromData(imageData);
	//float x = 1;
	//float y = 1 * (float(image.height())/image.width());
	//image = image.scaledToWidth(128,Qt::SmoothTransformation);
	//flow->replace("cover",flow->bindTexture(image,GL_TEXTURE_2D,GL_RGB,QGLContext::LinearFilteringBindOption | QGLContext::MipmapBindOption),x,y,index);
}
void GoToFlowGL::updateSize()
{

}

void GoToFlowGL::updateConfig(QSettings * settings)
{
	Performance performance = medium;

	switch (settings->value(PERFORMANCE).toInt())
	{
	case 0:
		performance = low;
		break;
	case 1:
		performance = medium;
		break;
	case 2:
		performance = high;
		break;
	case 3:
		performance = ultraHigh;
		break;
	}

	flow->setPerformance(performance);

	switch (settings->value(FLOW_TYPE_GL).toInt())
	{
	case 0:
		flow->setPreset(presetYACReaderFlowClassicConfig);
		return;
	case 1:
		flow->setPreset(presetYACReaderFlowStripeConfig);
		return;
	case 2:
		flow->setPreset(presetYACReaderFlowOverlappedStripeConfig);
		return;
	case 3:
		flow->setPreset(defaultYACReaderFlowConfig);
		return;
	case 4:
		flow->setPreset(pressetYACReaderFlowDownConfig);
		return;
	}


	//custom config

	flow->setCF_RX(settings->value(X_ROTATION).toInt());
	flow->setCF_Y(settings->value(Y_POSITION).toInt());
	flow->setX_Distance(settings->value(COVER_DISTANCE).toInt());
	flow->setCenter_Distance(settings->value(CENTRAL_DISTANCE).toInt());
	flow->setCF_Z(settings->value(ZOOM_LEVEL).toInt());
	flow->setY_Distance(settings->value(Y_COVER_OFFSET).toInt());
	flow->setZ_Distance(settings->value(Z_COVER_OFFSET).toInt());
	flow->setRotation(settings->value(COVER_ROTATION).toInt());
	flow->setFadeOutDist(settings->value(FADE_OUT_DIST).toInt());
	flow->setLightStrenght(settings->value(LIGHT_STRENGTH).toInt());
	flow->setMaxAngle(settings->value(MAX_ANGLE).toInt());

/*	flow->setVisibility(settings->value("visibilityDistance").toInt());
	flow->setLightStrenght(settings->value("lightStrength").toInt())*/;

}