diff --git a/YACReader/configuration.cpp b/YACReader/configuration.cpp
index d3b954a7..841ce1e6 100644
--- a/YACReader/configuration.cpp
+++ b/YACReader/configuration.cpp
@@ -49,6 +49,8 @@ void Configuration::load(QSettings * settings)
 		settings->setValue(ALWAYS_ON_TOP,false);
 	if(!settings->contains(SHOW_TOOLBARS))
 		settings->setValue(SHOW_TOOLBARS, true);
+	if(!settings->contains(QUICK_NAVI_MODE))
+		settings->setValue(QUICK_NAVI_MODE, true);
 	//old fit stuff
 	/*if(!settings->contains(FIT))
 		settings->setValue(FIT,false);
diff --git a/YACReader/configuration.h b/YACReader/configuration.h
index 4208c0ff..ec5932c9 100644
--- a/YACReader/configuration.h
+++ b/YACReader/configuration.h
@@ -18,7 +18,7 @@ using namespace YACReader;
 	class Configuration : public QObject
 	{
 		Q_OBJECT
-		
+
 	private:
 		QSettings * settings;
 
@@ -43,8 +43,8 @@ using namespace YACReader;
 		Configuration();
 		//Configuration(const Configuration & conf);
 		void load(const QString & path = CONF_FILE_PATH);
-		
-		
+
+
 	public:
 		static Configuration & getConfiguration()
 		{
@@ -58,18 +58,18 @@ using namespace YACReader;
 		void setMagnifyingGlassSize(const QSize & mgs) { settings->setValue(MAG_GLASS_SIZE,mgs);}
 		QSize getGotoSlideSize() { return settings->value(GO_TO_FLOW_SIZE).toSize();}
 		void setGotoSlideSize(const QSize & gss) { settings->setValue(GO_TO_FLOW_SIZE,gss);}
-        float getZoomLevel() { return settings->value(ZOOM_LEVEL).toFloat();}
-        void setZoomLevel(float zl) { settings->setValue(ZOOM_LEVEL,zl);}
-		
+		float getZoomLevel() { return settings->value(ZOOM_LEVEL).toFloat();}
+		void setZoomLevel(float zl) { settings->setValue(ZOOM_LEVEL,zl);}
+
 		//Unified enum based fitmode
-        YACReader::FitMode getFitMode() { return static_cast<YACReader::FitMode>(settings->value(FITMODE, YACReader::FitMode::FullPage).toInt()); }
+		YACReader::FitMode getFitMode() { return static_cast<YACReader::FitMode>(settings->value(FITMODE, YACReader::FitMode::FullPage).toInt()); }
 		void setFitMode ( YACReader::FitMode fitMode ){ settings->setValue(FITMODE, static_cast<int>(fitMode)); }
-		
+
 		//openRecent
 		QStringList openRecentList() { return settings->value("recentFiles").toStringList(); }
 		void updateOpenRecentList (QString path);
 		void clearOpenRecentList() { settings->remove("recentFiles"); }
-		
+
 		//Old fitmodes
 		/*
 		bool getAdjustToWidth() {return settings->value(FIT).toBool();}
@@ -79,12 +79,12 @@ using namespace YACReader;
 		bool getAdjustToFullSize(){return settings->value(ADJUST_TO_FULL_SIZE).toBool();}
 		void setAdjustToFullSize(bool b){settings->setValue(ADJUST_TO_FULL_SIZE,b);}
 		*/
-		
+
 		FlowType getFlowType(){return (FlowType)settings->value(FLOW_TYPE_SW).toInt();}
 		void setFlowType(FlowType type){settings->setValue(FLOW_TYPE_SW,type);}
 		bool getFullScreen(){return settings->value(FULLSCREEN).toBool();}
 		void setFullScreen(bool f){settings->setValue(FULLSCREEN,f);}
-		
+
 		QPoint getPos(){return settings->value(Y_WINDOW_POS).toPoint();}
 		void setPos(QPoint p){settings->setValue(Y_WINDOW_POS,p);}
 		QSize getSize(){return settings->value(Y_WINDOW_SIZE).toSize();}
@@ -95,7 +95,7 @@ using namespace YACReader;
 		void setDoublePage(bool b){settings->setValue(DOUBLE_PAGE,b);}
 		bool getDoubleMangaPage(){return settings->value(DOUBLE_MANGA_PAGE).toBool();}
 		void setDoubleMangaPage(bool b){settings->setValue(DOUBLE_MANGA_PAGE,b);}
-		
+
 		QColor getBackgroundColor(){return settings->value(BACKGROUND_COLOR).value<QColor>();}
 		void setBackgroundColor(const QColor& color){settings->value(BACKGROUND_COLOR,color);}
 		bool getAlwaysOnTop(){return settings->value(ALWAYS_ON_TOP).toBool();}
@@ -108,6 +108,7 @@ using namespace YACReader;
 		void setLastVersionCheck(const QDate & date){ settings->setValue(LAST_VERSION_CHECK,date);}
 		int getNumDaysBetweenVersionChecks() {return settings->value(NUM_DAYS_BETWEEN_VERSION_CHECKS,1).toInt();}
 		void setNumDaysBetweenVersionChecks(int days) {return settings->setValue(NUM_DAYS_BETWEEN_VERSION_CHECKS,days);}
+		bool getQuickNaviMode(){return settings->value(QUICK_NAVI_MODE).toBool();}
 	};
 
 #endif
diff --git a/YACReader/goto_flow.cpp b/YACReader/goto_flow.cpp
index 8ef1fd39..091924c5 100644
--- a/YACReader/goto_flow.cpp
+++ b/YACReader/goto_flow.cpp
@@ -27,7 +27,7 @@
 
 
 GoToFlow::GoToFlow(QWidget *parent,FlowType flowType)
-:GoToFlowWidget(parent),ready(false)
+	:GoToFlowWidget(parent),ready(false)
 {
 	updateTimer = new QTimer;
 	connect(updateTimer, SIGNAL(timeout()), this, SLOT(updateImageData()));
@@ -43,12 +43,12 @@ GoToFlow::GoToFlow(QWidget *parent,FlowType flowType)
 	connect(flow,SIGNAL(selected(unsigned int)),this,SIGNAL(goToPage(unsigned int)));
 
 	connect(toolBar,SIGNAL(goTo(unsigned int)),this,SIGNAL(goToPage(unsigned int)));
-	connect(toolBar,SIGNAL(setCenter(unsigned int)),flow,SLOT(showSlide(unsigned int))); 
+	connect(toolBar,SIGNAL(setCenter(unsigned int)),flow,SLOT(showSlide(unsigned int)));
 
-    mainLayout->addWidget(flow);
-    toolBar->raise();
+	mainLayout->addWidget(flow);
+	toolBar->raise();
 
-    resize(static_cast<int>(5*imageSize.width()),toolBar->height() + static_cast<int>(imageSize.height()*1.7));
+	resize(static_cast<int>(5*imageSize.width()),toolBar->height() + static_cast<int>(imageSize.height()*1.7));
 
 	this->setCursor(QCursor(Qt::ArrowCursor));
 }
@@ -64,11 +64,11 @@ void GoToFlow::keyPressEvent(QKeyEvent *event)
 {
 	switch (event->key())
 	{
-		case Qt::Key_Left: case Qt::Key_Right: case Qt::Key_Up:
-			QApplication::sendEvent(flow,event);
-			return;
-		default:
-			break;
+	case Qt::Key_Left: case Qt::Key_Right: case Qt::Key_Up:
+		QApplication::sendEvent(flow,event);
+		return;
+	default:
+		break;
 	}
 
 	GoToFlowWidget::keyPressEvent(event);
@@ -76,10 +76,10 @@ void GoToFlow::keyPressEvent(QKeyEvent *event)
 
 void GoToFlow::resizeEvent(QResizeEvent *event)
 {
-    QWidget::resizeEvent(event);
+	QWidget::resizeEvent(event);
 
-    toolBar->move(0, event->size().height() - toolBar->height());
-    toolBar->setFixedWidth(width());
+	toolBar->move(0, event->size().height() - toolBar->height());
+	toolBar->setFixedWidth(width());
 }
 
 
@@ -169,11 +169,11 @@ void GoToFlow::updateImageData()
 			imagesLoaded[idx]=true;
 		}
 
-	} 
+	}
 
-	// try to load only few images on the left and right side 
+	// try to load only few images on the left and right side
 	// i.e. all visible ones plus some extra
-#define COUNT 8  
+#define COUNT 8
 	int indexes[2*COUNT+1];
 	int center = flow->centerIndex();
 	indexes[0] = center;
@@ -181,7 +181,7 @@ void GoToFlow::updateImageData()
 	{
 		indexes[j*2+1] = center+j+1;
 		indexes[j*2+2] = center-j-1;
-	}  
+	}
 	for(int c = 0; c < 2*COUNT+1; c++)
 	{
 		int i = indexes[c];
@@ -189,7 +189,7 @@ void GoToFlow::updateImageData()
 			if(!imagesLoaded[i]&&imagesReady[i])//slide(i).isNull())
 			{
 				// schedule thumbnail generation
-				
+
 				worker->generate(i, flow->slideSize(),rawImages[i]);
 				return;
 			}
@@ -214,16 +214,14 @@ void GoToFlow::setFlowType(FlowType flowType)
 	flow->setFlowType(flowType);
 }
 
-void GoToFlow::updateSize() //TODO : fix. it doesn't work.
-{
-	imageSize = Configuration::getConfiguration().getGotoSlideSize();
-	flow->setSlideSize(imageSize);
-	resize(static_cast<int>(5*imageSize.width()),static_cast<int>(imageSize.height()*1.7));
-}
-
 void GoToFlow::updateConfig(QSettings * settings)
 {
-	Q_UNUSED(settings)
+	GoToFlowWidget::updateConfig(settings);
+
+	imageSize = Configuration::getConfiguration().getGotoSlideSize();
+	flow->setFlowType(Configuration::getConfiguration().getFlowType());
+	resize(5*imageSize.width(), toolBar->height() + imageSize.height()*1.7);
+	updateSize();
 }
 
 void GoToFlow::setFlowRightToLeft(bool b)
@@ -235,7 +233,7 @@ void GoToFlow::setFlowRightToLeft(bool b)
 //SlideInitializer
 //-----------------------------------------------------------------------------
 SlideInitializer::SlideInitializer(QMutex * m,PictureFlow * flow,int slides)
-:QThread(),mutex(m),_flow(flow),_slides(slides)		
+	:QThread(),mutex(m),_flow(flow),_slides(slides)
 {
 
 }
@@ -255,8 +253,8 @@ void SlideInitializer::run()
 //-----------------------------------------------------------------------------
 
 
-PageLoader::PageLoader(QMutex * m): 
-QThread(),mutex(m), restart(false), working(false), idx(-1)
+PageLoader::PageLoader(QMutex * m):
+	QThread(),mutex(m), restart(false), working(false), idx(-1)
 {
 }
 
@@ -271,7 +269,7 @@ PageLoader::~PageLoader()
 bool PageLoader::busy() const
 {
 	return isRunning() ? working : false;
-}  
+}
 
 void PageLoader::generate(int index, QSize size,const QByteArray & rImage)
 {
diff --git a/YACReader/goto_flow.h b/YACReader/goto_flow.h
index a82d78ff..be157fa7 100644
--- a/YACReader/goto_flow.h
+++ b/YACReader/goto_flow.h
@@ -61,7 +61,6 @@ private slots:
     void setNumSlides(unsigned int slides);
     void setImageReady(int index,const QByteArray & image);
     void setFlowType(FlowType flowType);
-    void updateSize();
     void updateConfig(QSettings * settings);
     void setFlowRightToLeft(bool b);
 
diff --git a/YACReader/goto_flow_gl.cpp b/YACReader/goto_flow_gl.cpp
index 14cbe424..80dca124 100644
--- a/YACReader/goto_flow_gl.cpp
+++ b/YACReader/goto_flow_gl.cpp
@@ -26,12 +26,12 @@ GoToFlowGL::GoToFlowGL(QWidget* parent, FlowType flowType)
 	connect(flow,SIGNAL(selected(unsigned int)),this,SIGNAL(goToPage(unsigned int)));
 
 	connect(toolBar,SIGNAL(goTo(unsigned int)),this,SIGNAL(goToPage(unsigned int)));
-	connect(toolBar,SIGNAL(setCenter(unsigned int)),flow,SLOT(setCenterIndex(unsigned int))); 
+	connect(toolBar,SIGNAL(setCenter(unsigned int)),flow,SLOT(setCenterIndex(unsigned int)));
 
-    mainLayout->addWidget(flow);
-    toolBar->raise();
+	mainLayout->addWidget(flow);
+	toolBar->raise();
 
-    resize(static_cast<int>(5*imageSize.width()),toolBar->height() + static_cast<int>(imageSize.height()*1.7));
+	resize(static_cast<int>(5*imageSize.width()),toolBar->height() + static_cast<int>(imageSize.height()*1.7));
 
 	this->setCursor(QCursor(Qt::ArrowCursor));
 }
@@ -77,15 +77,11 @@ void GoToFlowGL::setImageReady(int index,const QByteArray & imageData)
 	flow->imagesReady[index] = true;
 }
 
-void GoToFlowGL::updateSize()
-{
-
-}
-
 void GoToFlowGL::updateConfig(QSettings * settings)
 {
-	Performance performance = medium;
+	GoToFlowWidget::updateConfig(settings);
 
+	Performance performance = medium;
 	switch (settings->value(PERFORMANCE).toInt())
 	{
 	case 0:
@@ -102,56 +98,56 @@ void GoToFlowGL::updateConfig(QSettings * settings)
 		break;
 	}
 
+	imageSize = Configuration::getConfiguration().getGotoSlideSize();
+	resize(5*imageSize.width(), toolBar->height() + imageSize.height()*1.7);
+	updateSize();
+
 	flow->setPerformance(performance);
 
 	switch (settings->value(FLOW_TYPE_GL).toInt())
 	{
-	case 0:
+	case FlowType::CoverFlowLike:
 		flow->setPreset(presetYACReaderFlowClassicConfig);
-		return;
-	case 1:
+		break;
+	case FlowType::Strip:
 		flow->setPreset(presetYACReaderFlowStripeConfig);
-		return;
-	case 2:
+		break;
+	case FlowType::StripOverlapped:
 		flow->setPreset(presetYACReaderFlowOverlappedStripeConfig);
-		return;
-	case 3:
+		break;
+	case FlowType::Modern:
 		flow->setPreset(defaultYACReaderFlowConfig);
-		return;
-	case 4:
+		break;
+	case FlowType::Roulette:
 		flow->setPreset(pressetYACReaderFlowDownConfig);
-		return;
+		break;
+	case FlowType::Custom:
+		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());
+		break;
 	}
-
-
-	//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())*/;
-
+	if (Configuration::getConfiguration().getQuickNaviMode())
+		flow->setFadeOutDist(20);
 }
 
 void GoToFlowGL::keyPressEvent(QKeyEvent* event)
 {
 	switch (event->key())
 	{
-		case Qt::Key_Left: case Qt::Key_Right: case Qt::Key_Up:
-			QApplication::sendEvent(flow,event);
-			return;
-		default:
-			break;
+	case Qt::Key_Left: case Qt::Key_Right: case Qt::Key_Up:
+		QApplication::sendEvent(flow,event);
+		return;
+	default:
+		break;
 	}
 
 	GoToFlowWidget::keyPressEvent(event);
@@ -159,10 +155,10 @@ void GoToFlowGL::keyPressEvent(QKeyEvent* event)
 
 void GoToFlowGL::resizeEvent(QResizeEvent *event)
 {
-    QWidget::resizeEvent(event);
+	QWidget::resizeEvent(event);
 
-    toolBar->move(0, event->size().height() - toolBar->height());
-    toolBar->setFixedWidth(width());
+	toolBar->move(0, event->size().height() - toolBar->height());
+	toolBar->setFixedWidth(width());
 }
 
 void GoToFlowGL::setFlowRightToLeft(bool b)
diff --git a/YACReader/goto_flow_gl.h b/YACReader/goto_flow_gl.h
index 00a8ab81..1feca85d 100644
--- a/YACReader/goto_flow_gl.h
+++ b/YACReader/goto_flow_gl.h
@@ -23,7 +23,6 @@ public:
 	void setFlowType(FlowType flowType);
 	void setNumSlides(unsigned int slides);
 	void setImageReady(int index,const QByteArray & image);
-	void updateSize();
 
 	void updateConfig(QSettings * settings);
 	void setFlowRightToLeft(bool b);
diff --git a/YACReader/goto_flow_toolbar.cpp b/YACReader/goto_flow_toolbar.cpp
index 87692151..4fe09d79 100644
--- a/YACReader/goto_flow_toolbar.cpp
+++ b/YACReader/goto_flow_toolbar.cpp
@@ -2,18 +2,42 @@
 
 #include <QtWidgets>
 
+#include "configuration.h"
+
 GoToFlowToolBar::GoToFlowToolBar(QWidget * parent)
-	:QWidget(parent)
+	:QStackedWidget(parent)
 {
 	//elementos interactivos
-    QVBoxLayout * mainLayout = new QVBoxLayout;
-	bar = new QWidget(this);
-	QHBoxLayout * bottom = new QHBoxLayout(bar);
-	bottom->addStretch();
-    bottom->addWidget(new QLabel("<b>" + tr("Page : ") + "</b>",bar));
-	bottom->addWidget(edit = new QLineEdit(bar));
-	v = new QIntValidator(bar);
+	QWidget * normal = new QWidget(this);  // container widget
+	QWidget * quickNavi = new QWidget(this);  // container widget
+	addWidget(normal);
+	addWidget(quickNavi);
+	QHBoxLayout * normalLayout = new QHBoxLayout(normal);
+	QHBoxLayout * naviLayout = new QHBoxLayout(quickNavi);
+	normal->setLayout(normalLayout);
+	quickNavi->setLayout(naviLayout);
+
+	slider = new QSlider(Qt::Horizontal,this);
+	slider->setStyleSheet(
+		"QSlider::groove:horizontal {"
+		"  border: 1px solid white;"
+		"  border-radius: 6px;"
+		"  background: rgba(255, 255, 255, 50);"
+		"  margin: 2px 0;"
+		"}"
+		"QSlider::handle:horizontal {"
+		"  background: rgba(0, 0, 0, 200);"
+		"  border: 1px solid white;"
+		"  width: 24px;"
+		"  border-radius: 6px;"
+		"}"
+	);
+	connect(slider, &QSlider::valueChanged, this, [&](int v) { emit(setCenter(v)); });
+
+	pageHint = new QLabel("<b>" + tr("Page : ") + "</b>",this);
+	v = new QIntValidator(this);
 	v->setBottom(1);
+	edit = new QLineEdit(this);
 	edit->setValidator(v);
 	edit->setAlignment(Qt::AlignRight|Qt::AlignVCenter);
     edit->setStyleSheet("QLineEdit {border: 1px solid #77000000; background: #55000000; color: white; padding: 3px 5px 5px 5px; margin: 13px 5px 12px 5px; font-weight:bold}");
@@ -29,41 +53,51 @@ GoToFlowToolBar::GoToFlowToolBar(QWidget * parent)
 	QString centerButtonCSS = "QPushButton {background-image: url(:/images/imgCenterSlide.png); width: 100%; height:100%; background-repeat: none; border: none;} "
 		                      "QPushButton:focus { border: none; outline: none;}"
 		                      "QPushButton:pressed  {background-image: url(:/images/imgCenterSlidePressed.png); width: 100%; height:100%; background-repeat: none; border: none;} ";
-	centerButton = new QPushButton(bar);
+	centerButton = new QPushButton(this);
 	//centerButton->setIcon(QIcon(":/images/center.png"));
 	centerButton->setStyleSheet(centerButtonCSS); 
 	centerButton->setFixedSize(26,50);
     centerButton->setAttribute(Qt::WA_LayoutUsesWidgetRect,true);
 	connect(centerButton,SIGNAL(clicked()),this,SLOT(centerSlide()));
-	bottom->addWidget(centerButton);
 
 	QString goToButtonCSS = "QPushButton {background-image: url(:/images/imgGoToSlide.png); width: 100%; height:100%; background-repeat: none; border: none;} "
 		                    "QPushButton:focus { border: none; outline: none;}"
 		                    "QPushButton:pressed  {background-image: url(:/images/imgGoToSlidePressed.png); width: 100%; height:100%; background-repeat: none; border: none;} ";
-	goToButton = new QPushButton(bar);
+	goToButton = new QPushButton(this);
 	//goToButton->setIcon(QIcon(":/images/goto.png"));
 	goToButton->setStyleSheet(goToButtonCSS); 
 	goToButton->setFixedSize(32,50);
 	goToButton->setAttribute(Qt::WA_LayoutUsesWidgetRect,true);
 	
 	connect(goToButton,SIGNAL(clicked()),this,SLOT(goTo()));
-	bottom->addWidget(goToButton);
 
-	bottom->addStretch();
-	bottom->setMargin(0);
-	bottom->setSpacing(0);
-	
-	bar->setLayout(bottom);
+	normalLayout->setMargin(0);
+	normalLayout->setSpacing(0);
+	normalLayout->addStretch();
+	normalLayout->addWidget(pageHint);
+	normalLayout->addWidget(edit);
+	normalLayout->addWidget(centerButton);
+	normalLayout->addWidget(goToButton);
+	normalLayout->addStretch();
 
-    mainLayout->setMargin(0);
-    mainLayout->setSpacing(0);
-    mainLayout->addWidget(bar);
+	naviLayout->setContentsMargins(5, 0, 0, 0);
+	naviLayout->setSpacing(2);
+	naviLayout->addWidget(slider);
+	naviLayout->addWidget(goToButton);
 
-    setLayout(mainLayout);
+	switchLayout();
 
     setFixedHeight(50);
 }
 
+void GoToFlowToolBar::switchLayout()
+{
+	if (Configuration::getConfiguration().getQuickNaviMode())
+		setCurrentIndex(1);
+	else
+		setCurrentIndex(0);
+}
+
 void GoToFlowToolBar::paintEvent(QPaintEvent *)
 {
     QPainter painter(this);
@@ -78,11 +112,13 @@ void GoToFlowToolBar::paintEvent(QPaintEvent *)
 void GoToFlowToolBar::setPage(int pageNumber)
 {
 	edit->setText(QString::number(pageNumber+1));
+	slider->setValue(pageNumber);
 }
 
 void GoToFlowToolBar::setTop(int numPages)
 {
 	v->setTop(numPages);
+	slider->setMaximum(numPages-1);  // min is 0
 }
 
 void GoToFlowToolBar::goTo()
diff --git a/YACReader/goto_flow_toolbar.h b/YACReader/goto_flow_toolbar.h
index cdd5bad7..803026c0 100644
--- a/YACReader/goto_flow_toolbar.h
+++ b/YACReader/goto_flow_toolbar.h
@@ -2,24 +2,30 @@
 #define GOTO_FLOW_TOOLBAR_H
 
 #include <QWidget>
+#include <QStackedWidget.h>
 
 class QLineEdit;
 class QIntValidator;
 class QPushButton;
+class QSlider;
+class QLabel;
 
-class GoToFlowToolBar : public QWidget
+class GoToFlowToolBar : public QStackedWidget
 {
 	Q_OBJECT
 	private:
 		QLineEdit * edit;
+		QSlider * slider;
 		QIntValidator * v;
 		QPushButton * centerButton;
 		QPushButton * goToButton;
+		QLabel * pageHint;
 		QWidget * bar;
         void paintEvent(QPaintEvent *);
 
 	public:
 		GoToFlowToolBar(QWidget * parent = 0);
+		void switchLayout();
 	public slots:
 		void setPage(int pageNumber);
 		void setTop(int numPages);
diff --git a/YACReader/goto_flow_widget.cpp b/YACReader/goto_flow_widget.cpp
index 83487b62..6714a733 100644
--- a/YACReader/goto_flow_widget.cpp
+++ b/YACReader/goto_flow_widget.cpp
@@ -6,20 +6,17 @@
 #include <QCoreApplication>
 
 #include "goto_flow_toolbar.h"
+#include "configuration.h"
 
 GoToFlowWidget::GoToFlowWidget(QWidget * parent)
 	:QWidget(parent)
 {
 	mainLayout = new QVBoxLayout;
-
 	mainLayout->setMargin(0);
 	mainLayout->setSpacing(0);
 
 	toolBar = new GoToFlowToolBar(this);
 
-	mainLayout->setMargin(0);
-	mainLayout->setSpacing(0);
-
 	setLayout(mainLayout);
 
 	//toolBar->installEventFilter(this);
@@ -54,6 +51,21 @@ void GoToFlowWidget::keyPressEvent(QKeyEvent* event)
 	event->accept();
 }
 
+void GoToFlowWidget::updateConfig(QSettings * settings)
+{
+	Q_UNUSED(settings)
+	toolBar->switchLayout();
+}
+
+void GoToFlowWidget::updateSize()
+{
+	// called by parent in resizeEvent
+	// no need to update width when QuickNaviMode disabled
+	// height is set in updateConfig
+	if (Configuration::getConfiguration().getQuickNaviMode() && parentWidget() != nullptr)
+		resize(parentWidget()->width(),height());
+}
+
 /*bool GoToFlowWidget::eventFilter(QObject * target, QEvent * event)
 {
 	if(event->type() == QEvent::KeyPress)
diff --git a/YACReader/goto_flow_widget.h b/YACReader/goto_flow_widget.h
index 845a4b05..a981fa2c 100644
--- a/YACReader/goto_flow_widget.h
+++ b/YACReader/goto_flow_widget.h
@@ -27,8 +27,8 @@ public slots:
 	virtual void setFlowType(FlowType flowType) = 0;
 	virtual void setNumSlides(unsigned int slides) = 0;
 	virtual void setImageReady(int index,const QByteArray & image) = 0;
-	virtual void updateSize() = 0;
-	virtual void updateConfig(QSettings * settings) = 0;
+	virtual void updateSize();
+	virtual void updateConfig(QSettings * settings);
 	virtual void setFlowRightToLeft(bool b) = 0;
 
 protected:
diff --git a/YACReader/main_window_viewer.cpp b/YACReader/main_window_viewer.cpp
index 42506dca..e3da7210 100644
--- a/YACReader/main_window_viewer.cpp
+++ b/YACReader/main_window_viewer.cpp
@@ -938,7 +938,7 @@ void MainWindowViewer::openFolderFromPath(QString pathDir, QString atFileName)
 	if(i < list.count())
 		index = i;
 
-	viewer->open(pathDir,i);	
+	viewer->open(pathDir,index);	
 }
 
 void MainWindowViewer::saveImage()
diff --git a/YACReader/options_dialog.cpp b/YACReader/options_dialog.cpp
index 77f1d4e9..b542d2c3 100644
--- a/YACReader/options_dialog.cpp
+++ b/YACReader/options_dialog.cpp
@@ -19,7 +19,7 @@
 #endif
 
 OptionsDialog::OptionsDialog(QWidget * parent)
-:YACReaderOptionsDialog(parent)
+	:YACReaderOptionsDialog(parent)
 {
 
 	QTabWidget * tabWidget = new QTabWidget();
@@ -49,7 +49,7 @@ OptionsDialog::OptionsDialog(QWidget * parent)
 
 	QHBoxLayout * path = new QHBoxLayout();
 	path->addWidget(pathEdit = new QLineEdit());
-    path->addWidget(pathFindButton = new QPushButton(QIcon(":/images/find_folder.png"),""));
+	path->addWidget(pathFindButton = new QPushButton(QIcon(":/images/find_folder.png"),""));
 	pathBox->setLayout(path);
 
 	connect(pathFindButton,SIGNAL(clicked()),this,SLOT(findFolder()));
@@ -91,7 +91,7 @@ OptionsDialog::OptionsDialog(QWidget * parent)
 	//brightnessS->setText(tr("Brightness"));
 	brightnessS->setTracking(false);
 	connect(brightnessS,SIGNAL(valueChanged(int)),this,SLOT(brightnessChanged(int)));
-	
+
 	contrastS = new YACReaderSpinSliderWidget(this,true);
 	contrastS->setRange(0,250);
 	//contrastS->setText(tr("Contrast"));
@@ -104,6 +104,8 @@ OptionsDialog::OptionsDialog(QWidget * parent)
 	gammaS->setTracking(false);
 	connect(gammaS,SIGNAL(valueChanged(int)),this,SLOT(gammaChanged(int)));
 	//connect(brightnessS,SIGNAL(valueChanged(int)),this,SIGNAL(changedOptions()));
+	
+	quickNavi = new QCheckBox(tr("Quick Navigation Mode"));
 
 	QHBoxLayout * buttons = new QHBoxLayout();
 	buttons->addStretch();
@@ -115,13 +117,14 @@ OptionsDialog::OptionsDialog(QWidget * parent)
 	layoutGeneral->addWidget(slideSizeBox);
 	//layoutGeneral->addWidget(fitBox);
 	layoutGeneral->addWidget(colorBox);
-    layoutGeneral->addWidget(shortcutsBox);
+	layoutGeneral->addWidget(shortcutsBox);
 	layoutGeneral->addStretch();
 	layoutFlow->addWidget(sw);
 #ifndef NO_OPENGL
 	layoutFlow->addWidget(gl);
 	layoutFlow->addWidget(useGL);
 #endif
+	layoutFlow->addWidget(quickNavi);
 	layoutFlow->addStretch();
 	layoutImage->addWidget(new QLabel(tr("Brightness")),0,0);
 	layoutImage->addWidget(new QLabel(tr("Contrast")),1,0);
@@ -177,7 +180,7 @@ void OptionsDialog::findFolder()
 
 void OptionsDialog::saveOptions()
 {
-	
+
 	settings->setValue(GO_TO_FLOW_SIZE,QSize(static_cast<int>(slideSize->sliderPosition()/SLIDE_ASPECT_RATIO),slideSize->sliderPosition()));
 
 	if(sw->radio1->isChecked())
@@ -191,6 +194,7 @@ void OptionsDialog::saveOptions()
 
 	settings->setValue(BACKGROUND_COLOR,colorDialog->currentColor());
 	//settings->setValue(FIT_TO_WIDTH_RATIO,fitToWidthRatioS->sliderPosition()/100.0);
+	settings->setValue(QUICK_NAVI_MODE,quickNavi->isChecked());
 
 	YACReaderOptionsDialog::saveOptions();
 }
@@ -198,22 +202,22 @@ void OptionsDialog::saveOptions()
 void OptionsDialog::restoreOptions(QSettings * settings)
 {
 	YACReaderOptionsDialog::restoreOptions(settings);
-	
+
 	slideSize->setSliderPosition(settings->value(GO_TO_FLOW_SIZE).toSize().height());
 	switch(settings->value(FLOW_TYPE_SW).toInt())
 	{
-		case 0:
-			sw->radio1->setChecked(true);
-			break;
-		case 1:
-			sw->radio2->setChecked(true);
-			break;
-		case 2:
-			sw->radio3->setChecked(true);
-			break;
-		default:
-			sw->radio1->setChecked(true);
-			break;
+	case 0:
+		sw->radio1->setChecked(true);
+		break;
+	case 1:
+		sw->radio2->setChecked(true);
+		break;
+	case 2:
+		sw->radio3->setChecked(true);
+		break;
+	default:
+		sw->radio1->setChecked(true);
+		break;
 	}
 
 	pathEdit->setText(settings->value(PATH).toString());
@@ -221,6 +225,8 @@ void OptionsDialog::restoreOptions(QSettings * settings)
 	updateColor(settings->value(BACKGROUND_COLOR).value<QColor>());
 	//fitToWidthRatioS->setSliderPosition(settings->value(FIT_TO_WIDTH_RATIO).toFloat()*100);
 
+	quickNavi->setChecked(settings->value(QUICK_NAVI_MODE).toBool());
+
 	brightnessS->setValue(settings->value(BRIGHTNESS,0).toInt());
 	contrastS->setValue(settings->value(CONTRAST,100).toInt());
 	gammaS->setValue(settings->value(GAMMA,100).toInt());
@@ -234,7 +240,7 @@ void OptionsDialog::updateColor(const QColor & color)
 	backgroundColor->setPalette(pal);
 	backgroundColor->setAutoFillBackground(true);
 	colorDialog->setCurrentColor(color);
-	
+
 	settings->setValue(BACKGROUND_COLOR,color);
 
 	emit(changedOptions());
diff --git a/YACReader/options_dialog.h b/YACReader/options_dialog.h
index 767b28fd..df0a723b 100644
--- a/YACReader/options_dialog.h
+++ b/YACReader/options_dialog.h
@@ -23,6 +23,7 @@ Q_OBJECT
 		//QLabel * pathLabel;
 		QLineEdit * pathEdit;
 		QPushButton * pathFindButton;
+		QCheckBox * quickNavi;
 
 		QLabel * magGlassSizeLabel;
 
diff --git a/YACReader/render.h b/YACReader/render.h
index 9c525c55..d231be38 100644
--- a/YACReader/render.h
+++ b/YACReader/render.h
@@ -21,6 +21,7 @@ class Render;
 class ImageFilter {
 public:
 	ImageFilter(){};
+	virtual ~ImageFilter() {};
 	virtual QImage setFilter(const QImage & image) = 0;
 	inline int getLevel() {return level;};
 	inline void setLevel(int l) {level = l;};
diff --git a/YACReader/viewer.cpp b/YACReader/viewer.cpp
index 420e725d..0e64f3bf 100644
--- a/YACReader/viewer.cpp
+++ b/YACReader/viewer.cpp
@@ -7,7 +7,7 @@
 #include "goto_flow_gl.h"
 #else
 #include <QtWidgets>
-#endif	
+#endif
 #include "bookmarks_dialog.h"
 #include "render.h"
 #include "goto_dialog.h"
@@ -23,22 +23,21 @@
 #include <QFile>
 
 Viewer::Viewer(QWidget * parent)
-:QScrollArea(parent),
-currentPage(0),
-magnifyingGlassShowed(false),
-fullscreen(false),
-information(false),
-adjustToWidthRatio(1),
-doublePage(false),
-doubleMangaPage(false),
-wheelStop(false),
-direction(1),
-restoreMagnifyingGlass(false),
-drag(false),
-numScrollSteps(22),
-shouldOpenNext(false),
-shouldOpenPrevious(false),
-zoom(100)
+	:QScrollArea(parent),
+	  currentPage(0),
+	  magnifyingGlassShowed(false),
+	  fullscreen(false),
+	  information(false),
+	  doublePage(false),
+	  doubleMangaPage(false),
+	  wheelStop(false),
+	  direction(1),
+	  restoreMagnifyingGlass(false),
+	  drag(false),
+	  numScrollSteps(22),
+	  shouldOpenNext(false),
+	  shouldOpenPrevious(false),
+	  zoom(100)
 {
 	translator = new YACReaderTranslator(this);
 	translator->hide();
@@ -69,25 +68,25 @@ zoom(100)
 	showCursor();
 
 	goToDialog = new GoToDialog(this);
-	
+
 	QSettings * settings = new QSettings(YACReader::getSettingsPath()+"/YACReader.ini",QSettings::IniFormat);
 
-    //CONFIG GOTO_FLOW--------------------------------------------------------
+	//CONFIG GOTO_FLOW--------------------------------------------------------
 #ifndef NO_OPENGL
 
-    OpenGLChecker openGLChecker;
-    bool openGLAvailable = openGLChecker.hasCompatibleOpenGLVersion();
+	OpenGLChecker openGLChecker;
+	bool openGLAvailable = openGLChecker.hasCompatibleOpenGLVersion();
 
-    if(openGLAvailable && !settings->contains(USE_OPEN_GL))
-        settings->setValue(USE_OPEN_GL,2);
-    else
-        if(!openGLAvailable)
-            settings->setValue(USE_OPEN_GL,0);
+	if(openGLAvailable && !settings->contains(USE_OPEN_GL))
+		settings->setValue(USE_OPEN_GL,2);
+	else
+		if(!openGLAvailable)
+			settings->setValue(USE_OPEN_GL,0);
 
-    if((settings->value(USE_OPEN_GL).toBool() == true))
-        goToFlow = new GoToFlowGL(this,Configuration::getConfiguration().getFlowType());
-    else
-        goToFlow = new GoToFlow(this,Configuration::getConfiguration().getFlowType());
+	if((settings->value(USE_OPEN_GL).toBool() == true))
+		goToFlow = new GoToFlowGL(this,Configuration::getConfiguration().getFlowType());
+	else
+		goToFlow = new GoToFlow(this,Configuration::getConfiguration().getFlowType());
 #else
 	goToFlow = new GoToFlow(this,Configuration::getConfiguration().getFlowType());
 #endif
@@ -95,17 +94,17 @@ zoom(100)
 	goToFlow->hide();
 	showGoToFlowAnimation = new QPropertyAnimation(goToFlow,"pos");
 	showGoToFlowAnimation->setDuration(150);
-	
+
 	bd = new BookmarksDialog(this->parentWidget());
-	
+
 	render = new Render();
 
 	hideCursorTimer = new QTimer();
-	hideCursorTimer->setSingleShot(true); 
+	hideCursorTimer->setSingleShot(true);
 
 	if(Configuration::getConfiguration().getDoublePage())
 		doublePageSwitch();
-		
+
 	if(Configuration::getConfiguration().getDoubleMangaPage())
 		doubleMangaPageSwitch();
 
@@ -232,13 +231,13 @@ void Viewer::open(QString pathFile, const ComicDB & comic)
 
 void Viewer::showMessageErrorOpening()
 {
-    QMessageBox::critical(this,tr("Not found"),tr("Comic not found"));
+	QMessageBox::critical(this,tr("Not found"),tr("Comic not found"));
 	//resetContent(); --> not needed
 }
 
 void Viewer::showMessageErrorOpening(QString message)
 {
-    QMessageBox::critical(this,tr("Error opening comic"),message);
+	QMessageBox::critical(this,tr("Error opening comic"),message);
 	resetContent();
 }
 
@@ -271,7 +270,7 @@ void Viewer::prev()
 	}
 	else
 	{
-	render->previousPage();
+		render->previousPage();
 	}
 	updateInformation();
 	shouldOpenNext = false;
@@ -338,32 +337,32 @@ void Viewer::updateContentSize()
 		YACReader::FitMode fitmode = Configuration::getConfiguration().getFitMode();
 		switch (fitmode)
 		{
-			case YACReader::FitMode::FullRes:
-				pagefit=currentPage->size();
-				break;
-			case YACReader::FitMode::ToWidth:
-				pagefit=currentPage->size();
-				pagefit.scale(width(), 0, Qt::KeepAspectRatioByExpanding);
-				break;
-			case YACReader::FitMode::ToHeight:
-				pagefit=currentPage->size();
-				pagefit.scale(0, height(), Qt::KeepAspectRatioByExpanding);
-				break;
+		case YACReader::FitMode::FullRes:
+			pagefit=currentPage->size();
+			break;
+		case YACReader::FitMode::ToWidth:
+			pagefit=currentPage->size();
+			pagefit.scale(width(), 0, Qt::KeepAspectRatioByExpanding);
+			break;
+		case YACReader::FitMode::ToHeight:
+			pagefit=currentPage->size();
+			pagefit.scale(0, height(), Qt::KeepAspectRatioByExpanding);
+			break;
 			//if everything fails showing the full page is a good idea
-			case YACReader::FitMode::FullPage:
-			default:
-				pagefit=currentPage->size();
-				pagefit.scale(size(), Qt::KeepAspectRatio);
-				break;
+		case YACReader::FitMode::FullPage:
+		default:
+			pagefit=currentPage->size();
+			pagefit.scale(size(), Qt::KeepAspectRatio);
+			break;
 		}
-	
-        if(zoom != 100)
-		{	
-            pagefit.scale(floor(pagefit.width()*zoom/100.0f), 0, Qt::KeepAspectRatioByExpanding);
+
+		if(zoom != 100)
+		{
+			pagefit.scale(floor(pagefit.width()*zoom/100.0f), 0, Qt::KeepAspectRatioByExpanding);
 		}
 		//apply scaling
 		content->resize(pagefit);
-	
+
 		//TODO: updtateContentSize should only scale the pixmap once
 		if(devicePixelRatio()>1)//only in retina display
 		{
@@ -379,23 +378,23 @@ void Viewer::updateContentSize()
 
 void Viewer::increaseZoomFactor()
 {
-    zoom = std::min(zoom + 10, 500);
+	zoom = std::min(zoom + 10, 500);
 
 	updateContentSize();
-    notificationsLabel->setText(QString::number(getZoomFactor())+"%");
+	notificationsLabel->setText(QString::number(getZoomFactor())+"%");
 	notificationsLabel->flash();
 
-    emit zoomUpdated(zoom);
+	emit zoomUpdated(zoom);
 }
 void Viewer::decreaseZoomFactor()
 {
-    zoom = std::max(zoom - 10, 30);
+	zoom = std::max(zoom - 10, 30);
 
 	updateContentSize();
-    notificationsLabel->setText(QString::number(getZoomFactor())+"%");
+	notificationsLabel->setText(QString::number(getZoomFactor())+"%");
 	notificationsLabel->flash();
 
-    emit zoomUpdated(zoom);
+	emit zoomUpdated(zoom);
 }
 
 int Viewer::getZoomFactor()
@@ -407,14 +406,14 @@ int Viewer::getZoomFactor()
 void Viewer::setZoomFactor(int z)
 {
 	//this function is mostly used to reset the zoom after a fitmode switch
-    if (z > 500)
-        zoom = 500;
-    else if (z < 30)
-        zoom = 30;
+	if (z > 500)
+		zoom = 500;
+	else if (z < 30)
+		zoom = 30;
 	else
 		zoom = z;
 
-    emit zoomUpdated(zoom);
+	emit zoomUpdated(zoom);
 }
 
 void Viewer::updateVerticalScrollBar()
@@ -601,38 +600,38 @@ void Viewer::scrollTo(int x, int y)
 
 void Viewer::keyPressEvent(QKeyEvent *event)
 {
-    if(render->hasLoadedComic())
-    {
-        int _key = event->key();
-        Qt::KeyboardModifiers modifiers = event->modifiers();
+	if(render->hasLoadedComic())
+	{
+		int _key = event->key();
+		Qt::KeyboardModifiers modifiers = event->modifiers();
 
-        if(modifiers & Qt::ShiftModifier)
-            _key |= Qt::SHIFT;
-        if (modifiers & Qt::ControlModifier)
-            _key |= Qt::CTRL;
-        if (modifiers & Qt::MetaModifier)
-            _key |= Qt::META;
-        if (modifiers & Qt::AltModifier)
-            _key |= Qt::ALT;
+		if(modifiers & Qt::ShiftModifier)
+			_key |= Qt::SHIFT;
+		if (modifiers & Qt::ControlModifier)
+			_key |= Qt::CTRL;
+		if (modifiers & Qt::MetaModifier)
+			_key |= Qt::META;
+		if (modifiers & Qt::AltModifier)
+			_key |= Qt::ALT;
 
-        QKeySequence key(_key);
-        /*if(goToFlow->isVisible() && event->key()!=Qt::Key_S)
-            QCoreApplication::sendEvent(goToFlow,event);
-        else*/
+		QKeySequence key(_key);
+		/*if(goToFlow->isVisible() && event->key()!=Qt::Key_S)
+			QCoreApplication::sendEvent(goToFlow,event);
+		else*/
 
-        if (key == ShortcutsManager::getShortcutsManager().getShortcut(AUTO_SCROLL_FORWARD_ACTION_Y))
-        {
-            posByStep = height()/numScrollSteps;
-            nextPos=verticalScrollBar()->sliderPosition()+static_cast<int>((height()*0.80));
-            scrollDown();
-        }
+		if (key == ShortcutsManager::getShortcutsManager().getShortcut(AUTO_SCROLL_FORWARD_ACTION_Y))
+		{
+			posByStep = height()/numScrollSteps;
+			nextPos=verticalScrollBar()->sliderPosition()+static_cast<int>((height()*0.80));
+			scrollDown();
+		}
 
-        else if (key == ShortcutsManager::getShortcutsManager().getShortcut(AUTO_SCROLL_BACKWARD_ACTION_Y))
-        {
-            posByStep = height()/numScrollSteps;
-            nextPos=verticalScrollBar()->sliderPosition()-static_cast<int>((height()*0.80));
-            scrollUp();
-        }
+		else if (key == ShortcutsManager::getShortcutsManager().getShortcut(AUTO_SCROLL_BACKWARD_ACTION_Y))
+		{
+			posByStep = height()/numScrollSteps;
+			nextPos=verticalScrollBar()->sliderPosition()-static_cast<int>((height()*0.80));
+			scrollUp();
+		}
 
         else if (key == ShortcutsManager::getShortcutsManager().getShortcut(AUTO_SCROLL_FORWARD_HORIZONTAL_FIRST_ACTION_Y))
         {
@@ -654,75 +653,75 @@ void Viewer::keyPressEvent(QKeyEvent *event)
             scrollBackwardVerticalFirst();
         }
 
-        else if (key == ShortcutsManager::getShortcutsManager().getShortcut(MOVE_DOWN_ACTION_Y) ||
-                 key == ShortcutsManager::getShortcutsManager().getShortcut(MOVE_UP_ACTION_Y) ||
-                 key == ShortcutsManager::getShortcutsManager().getShortcut(MOVE_LEFT_ACTION_Y) ||
-                 key == ShortcutsManager::getShortcutsManager().getShortcut(MOVE_RIGHT_ACTION_Y))
-        {
-            QAbstractScrollArea::keyPressEvent(event);
-            emit backgroundChanges();
-        }
+		else if (key == ShortcutsManager::getShortcutsManager().getShortcut(MOVE_DOWN_ACTION_Y) ||
+				 key == ShortcutsManager::getShortcutsManager().getShortcut(MOVE_UP_ACTION_Y) ||
+				 key == ShortcutsManager::getShortcutsManager().getShortcut(MOVE_LEFT_ACTION_Y) ||
+				 key == ShortcutsManager::getShortcutsManager().getShortcut(MOVE_RIGHT_ACTION_Y))
+		{
+			QAbstractScrollArea::keyPressEvent(event);
+			emit backgroundChanges();
+		}
 
-        else if (key == ShortcutsManager::getShortcutsManager().getShortcut(GO_TO_FIRST_PAGE_ACTION_Y))
-        {
-            goTo(0);
-        }
+		else if (key == ShortcutsManager::getShortcutsManager().getShortcut(GO_TO_FIRST_PAGE_ACTION_Y))
+		{
+			goTo(0);
+		}
 
-        else if (key == ShortcutsManager::getShortcutsManager().getShortcut(GO_TO_LAST_PAGE_ACTION_Y))
-        {
-            goTo(this->render->numPages()-1);
-        }
+		else if (key == ShortcutsManager::getShortcutsManager().getShortcut(GO_TO_LAST_PAGE_ACTION_Y))
+		{
+			goTo(this->render->numPages()-1);
+		}
 
-        else
-            QAbstractScrollArea::keyPressEvent(event);
+		else
+			QAbstractScrollArea::keyPressEvent(event);
 
-        if(mglass->isVisible() && (key == ShortcutsManager::getShortcutsManager().getShortcut(SIZE_UP_MGLASS_ACTION_Y) ||
-                                   key == ShortcutsManager::getShortcutsManager().getShortcut(SIZE_DOWN_MGLASS_ACTION_Y) ||
-                                   key == ShortcutsManager::getShortcutsManager().getShortcut(ZOOM_IN_MGLASS_ACTION_Y) ||
-                                   key == ShortcutsManager::getShortcutsManager().getShortcut(ZOOM_OUT_MGLASS_ACTION_Y)))
-        {
-            QCoreApplication::sendEvent(mglass,event);
-        }
+		if(mglass->isVisible() && (key == ShortcutsManager::getShortcutsManager().getShortcut(SIZE_UP_MGLASS_ACTION_Y) ||
+								   key == ShortcutsManager::getShortcutsManager().getShortcut(SIZE_DOWN_MGLASS_ACTION_Y) ||
+								   key == ShortcutsManager::getShortcutsManager().getShortcut(ZOOM_IN_MGLASS_ACTION_Y) ||
+								   key == ShortcutsManager::getShortcutsManager().getShortcut(ZOOM_OUT_MGLASS_ACTION_Y)))
+		{
+			QCoreApplication::sendEvent(mglass,event);
+		}
 
-    }
-    else
-        QAbstractScrollArea::keyPressEvent(event);
+	}
+	else
+		QAbstractScrollArea::keyPressEvent(event);
 }
 
 void Viewer::wheelEvent(QWheelEvent * event)
 {
 	if(render->hasLoadedComic())
 	{
-        if((event->delta()<0)&&(verticalScrollBar()->sliderPosition()==verticalScrollBar()->maximum()))
-        {
-            if(wheelStop)
-            {
-                if(getMovement(event) == Forward)
-                {
-                    next();
-                    verticalScroller->stop();
-                    event->accept();
-                    wheelStop = false;
-                }
-                return;
-            }
-            else
-                wheelStop = true;
-        }
-        else
+		if((event->delta()<0)&&(verticalScrollBar()->sliderPosition()==verticalScrollBar()->maximum()))
+		{
+			if(wheelStop)
+			{
+				if(getMovement(event) == Forward)
+				{
+					next();
+					verticalScroller->stop();
+					event->accept();
+					wheelStop = false;
+				}
+				return;
+			}
+			else
+				wheelStop = true;
+		}
+		else
 		{
 			if((event->delta()>0)&&(verticalScrollBar()->sliderPosition()==verticalScrollBar()->minimum()))
 			{
 				if(wheelStop)
-                {
-                    if(getMovement(event) == Backward)
-                    {
-                        prev();
-                        verticalScroller->stop();
-                        event->accept();
-                        wheelStop = false;
-                    }
-                    return;
+				{
+					if(getMovement(event) == Backward)
+					{
+						prev();
+						verticalScroller->stop();
+						event->accept();
+						wheelStop = false;
+					}
+					return;
 				}
 				else
 					wheelStop = true;
@@ -751,7 +750,8 @@ void Viewer::wheelEvent(QWheelEvent * event)
 void Viewer::resizeEvent(QResizeEvent * event)
 {
 	updateContentSize();
-	goToFlow->move(QPoint((width()-goToFlow->width())/2,height()-goToFlow->height()));
+	goToFlow->updateSize();
+	goToFlow->move((width()-goToFlow->width())/2,height()-goToFlow->height());
 	informationLabel->updatePosition();
 	QScrollArea::resizeEvent(event);
 }
@@ -768,23 +768,23 @@ void Viewer::mouseMoveEvent(QMouseEvent * event)
 	{
 		if(showGoToFlowAnimation->state()!=QPropertyAnimation::Running)
 		{
-		if(goToFlow->isVisible())
-		{
-            QPoint gtfPos = goToFlow->mapFrom(this,event->pos());
-            if(gtfPos.y() < 0 || gtfPos.x()<0 || gtfPos.x()>goToFlow->width())//TODO this extra check is for Mavericks (mouseMove over goToFlowGL seems to be broken)
-                animateHideGoToFlow();
-			//goToFlow->hide();
-		}
-		else
-		{
-			int umbral = (width()-goToFlow->width())/2;
-			if((event->y()>height()-15)&&(event->x()>umbral)&&(event->x()<width()-umbral))
+			if(goToFlow->isVisible())
 			{
-
-				animateShowGoToFlow();
-				hideCursorTimer->stop();
+				QPoint gtfPos = goToFlow->mapFrom(this,event->pos());
+				if(gtfPos.y() < 0 || gtfPos.x()<0 || gtfPos.x()>goToFlow->width())//TODO this extra check is for Mavericks (mouseMove over goToFlowGL seems to be broken)
+					animateHideGoToFlow();
+				//goToFlow->hide();
+			}
+			else
+			{
+				int umbral = (width()-goToFlow->width())/2;
+				if((event->y()>height()-15)&&(event->x()>umbral)&&(event->x()<width()-umbral))
+				{
+
+					animateShowGoToFlow();
+					hideCursorTimer->stop();
+				}
 			}
-		}
 		}
 
 		if(drag)
@@ -818,7 +818,7 @@ void Viewer::showMagnifyingGlass()
 		QPoint p = QPoint(cursor().pos().x(),cursor().pos().y());
 		p = this->parentWidget()->mapFromGlobal(p);
 		mglass->move(static_cast<int>(p.x()-float(mglass->width())/2)
-			,static_cast<int>(p.y()-float(mglass->height())/2));
+					 ,static_cast<int>(p.y()-float(mglass->height())/2));
 		mglass->show();
 		mglass->updateImage(mglass->x()+mglass->width()/2,mglass->y()+mglass->height()/2);
 		magnifyingGlassShowed = true;
@@ -882,7 +882,7 @@ void Viewer::animateShowGoToFlow()
 		goToFlow->centerSlide(render->getIndex());
 		goToFlow->setPageNumber(render->getIndex());
 		goToFlow->show();
-        goToFlow->setFocus(Qt::OtherFocusReason);
+		goToFlow->setFocus(Qt::OtherFocusReason);
 	}
 }
 
@@ -896,30 +896,30 @@ void Viewer::animateHideGoToFlow()
 		showGoToFlowAnimation->setEndValue(QPoint((width()-goToFlow->width())/2,height()));
 		showGoToFlowAnimation->start();
 		goToFlow->centerSlide(render->getIndex());
-        goToFlow->setPageNumber(render->getIndex());
-        this->setFocus(Qt::OtherFocusReason);
+		goToFlow->setPageNumber(render->getIndex());
+		this->setFocus(Qt::OtherFocusReason);
 	}
 }
 
 void Viewer::moveCursoToGoToFlow()
 {
-		//Move cursor to goToFlow widget on show (this avoid hide when mouse is moved)
-		int y = goToFlow->pos().y();
-		int x1 = goToFlow->pos().x();
-		int x2 = x1 + goToFlow->width();
-		QPoint cursorPos = mapFromGlobal(cursor().pos());
-		int cursorX = cursorPos.x();
-		int cursorY = cursorPos.y();
+	//Move cursor to goToFlow widget on show (this avoid hide when mouse is moved)
+	int y = goToFlow->pos().y();
+	int x1 = goToFlow->pos().x();
+	int x2 = x1 + goToFlow->width();
+	QPoint cursorPos = mapFromGlobal(cursor().pos());
+	int cursorX = cursorPos.x();
+	int cursorY = cursorPos.y();
 
-		if(cursorY <= y)
-			cursorY = y + 10;
-		if(cursorX <= x1)
-			cursorX = x1 + 10;
-		if(cursorX >= x2)
-			cursorX = x2 - 10;
-		cursor().setPos(mapToGlobal(QPoint(cursorX,cursorY)));
-		hideCursorTimer->stop();
-		showCursor();
+	if(cursorY <= y)
+		cursorY = y + 10;
+	if(cursorX <= x1)
+		cursorX = x1 + 10;
+	if(cursorX >= x2)
+		cursorX = x2 - 10;
+	cursor().setPos(mapToGlobal(QPoint(cursorX,cursorY)));
+	hideCursorTimer->stop();
+	showCursor();
 }
 
 void Viewer::rotateLeft()
@@ -937,18 +937,18 @@ void Viewer::setBookmark(bool set)
 	render->setBookmark();
 	if(set) //add bookmark
 	{
-	render->setBookmark();
+		render->setBookmark();
 	}
 	else //remove bookmark
 	{
-	render->removeBookmark();
+		render->removeBookmark();
 	}
 }
 
 void Viewer::save ()
 {
 	if(render->hasLoadedComic())
-	render->save();
+		render->save();
 }
 
 void Viewer::doublePageSwitch()
@@ -998,8 +998,8 @@ void Viewer::setPageUnavailableMessage()
 void Viewer::configureContent(QString msg)
 {
 	content->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
-    if(!(devicePixelRatio()>1))
-        content->setScaledContents(true);
+	if(!(devicePixelRatio()>1))
+		content->setScaledContents(true);
 	content->setAlignment(Qt::AlignTop|Qt::AlignHCenter);
 	content->setText(msg);
 	content->setFont(QFont("courier new", 12));
@@ -1026,11 +1026,10 @@ void Viewer::showCursor()
 
 void Viewer::updateOptions()
 {
-	
+
 	goToFlow->setFlowType(Configuration::getConfiguration().getFlowType());
 	updateBackgroundColor(Configuration::getConfiguration().getBackgroundColor());
 	updateContentSize();
-	//goToFlow->updateSize();
 }
 
 void Viewer::updateBackgroundColor(const QColor & color)
@@ -1079,27 +1078,27 @@ void Viewer::animateHideTranslator()
 
 void Viewer::mousePressEvent ( QMouseEvent * event )
 {
-    if (event->button() == Qt::LeftButton)
-    {
-        drag = true;
-        yDragOrigin = event->y();
-        xDragOrigin = event->x();
-        setCursor(Qt::ClosedHandCursor);
-        event->accept();
-    }
+	if (event->button() == Qt::LeftButton)
+	{
+		drag = true;
+		yDragOrigin = event->y();
+		xDragOrigin = event->x();
+		setCursor(Qt::ClosedHandCursor);
+		event->accept();
+	}
 }
 
 void Viewer::mouseReleaseEvent ( QMouseEvent * event )
 {
-    drag = false;
-    setCursor(Qt::OpenHandCursor);
-    event->accept();
+	drag = false;
+	setCursor(Qt::OpenHandCursor);
+	event->accept();
 }
 
 void Viewer::updateZoomRatio(int ratio)
 {
-    zoom = ratio;
-    updateContentSize();
+	zoom = ratio;
+	updateContentSize();
 }
 
 void Viewer::updateConfig(QSettings * settings)
@@ -1143,7 +1142,7 @@ void Viewer::showIsCoverMessage()
 
 	shouldOpenNext = false; //single page comic
 }
-		
+
 void Viewer::showIsLastMessage()
 {
 	if(!shouldOpenNext)
@@ -1175,31 +1174,31 @@ void Viewer::updateComic(ComicDB & comic)
 {
 	if(render->hasLoadedComic())
 	{
-	//set currentPage
-	comic.info.currentPage = render->getIndex()+1;
-	//set bookmarks
-	Bookmarks * boomarks = render->getBookmarks();
-	QList<int> boomarksList = boomarks->getBookmarkPages();
-	int numBookmarks = boomarksList.size();
-	if(numBookmarks > 0)
-		comic.info.bookmark1 = boomarksList[0];
-	if(numBookmarks > 1)
-		comic.info.bookmark2 = boomarksList[1];
-	if(numBookmarks > 2)
-		comic.info.bookmark3 = boomarksList[2];
-	//set filters
-	//TODO: avoid use settings for this...
-	QSettings settings(YACReader::getSettingsPath()+"/YACReader.ini",QSettings::IniFormat);
-	int brightness = settings.value(BRIGHTNESS,0).toInt();
-	int contrast = settings.value(CONTRAST,100).toInt();
-	int gamma = settings.value(GAMMA,100).toInt();
+		//set currentPage
+		comic.info.currentPage = render->getIndex()+1;
+		//set bookmarks
+		Bookmarks * boomarks = render->getBookmarks();
+		QList<int> boomarksList = boomarks->getBookmarkPages();
+		int numBookmarks = boomarksList.size();
+		if(numBookmarks > 0)
+			comic.info.bookmark1 = boomarksList[0];
+		if(numBookmarks > 1)
+			comic.info.bookmark2 = boomarksList[1];
+		if(numBookmarks > 2)
+			comic.info.bookmark3 = boomarksList[2];
+		//set filters
+		//TODO: avoid use settings for this...
+		QSettings settings(YACReader::getSettingsPath()+"/YACReader.ini",QSettings::IniFormat);
+		int brightness = settings.value(BRIGHTNESS,0).toInt();
+		int contrast = settings.value(CONTRAST,100).toInt();
+		int gamma = settings.value(GAMMA,100).toInt();
 
-	if(brightness != 0 || comic.info.brightness!=-1)
-		comic.info.brightness = brightness;
-	if(contrast != 100 || comic.info.contrast!=-1)
-		comic.info.contrast = contrast;
-	if(gamma != 100 || comic.info.gamma!=-1)
-		comic.info.gamma = gamma;
+		if(brightness != 0 || comic.info.brightness!=-1)
+			comic.info.brightness = brightness;
+		if(contrast != 100 || comic.info.contrast!=-1)
+			comic.info.contrast = contrast;
+		if(gamma != 100 || comic.info.gamma!=-1)
+			comic.info.gamma = gamma;
 	}
 
 
diff --git a/YACReader/viewer.h b/YACReader/viewer.h
index e7e450f8..e22bfb93 100644
--- a/YACReader/viewer.h
+++ b/YACReader/viewer.h
@@ -121,7 +121,6 @@ virtual void mouseReleaseEvent ( QMouseEvent * event );
 		QPropertyAnimation * showGoToFlowAnimation;
 		GoToDialog * goToDialog;
 		//!Image properties
-		float adjustToWidthRatio;
 		//! Comic
 		//Comic * comic;
 		int index;
diff --git a/YACReaderLibrary/db/reading_list_item.h b/YACReaderLibrary/db/reading_list_item.h
index 6acf898b..06bcc3ec 100644
--- a/YACReaderLibrary/db/reading_list_item.h
+++ b/YACReaderLibrary/db/reading_list_item.h
@@ -17,6 +17,7 @@ public:
     QVariant data(int column) const;
     virtual qulonglong getId() const;
     QList<QVariant> itemData;
+    virtual ~ListItem() {}
 };
 
 //------------------------------------------------------
diff --git a/common/gl/yacreader_flow_gl.cpp b/common/gl/yacreader_flow_gl.cpp
index fe5b2e8b..45c30820 100644
--- a/common/gl/yacreader_flow_gl.cpp
+++ b/common/gl/yacreader_flow_gl.cpp
@@ -1460,7 +1460,8 @@ QImage ImageLoaderGL::loadImage(const QString& fileName)
 	case high:
 		image = image.scaledToWidth(320,Qt::SmoothTransformation);
 		break;
-
+	case ultraHigh:
+		break; //no scaling in ultraHigh
 	}
 
 	if(!result)
diff --git a/common/gl_legacy/yacreader_flow_gl.cpp b/common/gl_legacy/yacreader_flow_gl.cpp
index 635927e1..9234b6b3 100644
--- a/common/gl_legacy/yacreader_flow_gl.cpp
+++ b/common/gl_legacy/yacreader_flow_gl.cpp
@@ -1406,7 +1406,8 @@ QImage ImageLoaderGL::loadImage(const QString& fileName)
 	case high:
 		image = image.scaledToWidth(320,Qt::SmoothTransformation);
 		break;
-
+	case ultraHigh:
+		 break; //no scaling in ultraHigh
 	}
 
 	if(!result)
diff --git a/common/yacreader_global_gui.h b/common/yacreader_global_gui.h
index f3858958..9c36bd56 100644
--- a/common/yacreader_global_gui.h
+++ b/common/yacreader_global_gui.h
@@ -27,6 +27,7 @@
 #define CONTRAST "CONTRAST"
 #define GAMMA "GAMMA"
 #define SHOW_INFO "SHOW_INFO"
+#define QUICK_NAVI_MODE "QUICK_NAVI_MODE"
 
 #define FLOW_TYPE_GL "FLOW_TYPE_GL"
 #define Y_POSITION "Y_POSITION"