Reimplemented Qt bookmark preview popup window to allow for alpha fade effect.

src/drivers/Qt/TasEditor/TasEditorWindow.cpp

@@ -6468,17 +6468,31 @@ void QPianoRoll::paintEvent(QPaintEvent *event)
 //---- Bookmark Preview Popup
 //----------------------------------------------------------------------------
 //----------------------------------------------------------------------------
+bookmarkPreviewPopup *bookmarkPreviewPopup::instance = 0;
+//----------------------------------------------------------------------------
 bookmarkPreviewPopup::bookmarkPreviewPopup( int index, QWidget *parent )
-	: fceuCustomToolTip( parent )
+	: QDialog( parent, Qt::ToolTip )
 {
 	int p;
+	QPoint pos;
 	QVBoxLayout *vbox;
 	QLabel *imgLbl, *descLbl;
 	uint32_t *pixBuf;
 	uint32_t  pixel;
 	QPixmap pixmap;
 
-	setHideOnMouseMove(true);
+	if ( instance )
+	{
+		//instance->done(0);
+		//instance->deleteLater();
+		instance->actv = false;
+		instance = 0;
+	}
+	instance = this;
+
+	imageIndex = index;
+
+	//qApp->installEventFilter(this);
 
 	fceuWrapperLock();
 
@@ -6534,11 +6548,32 @@ bookmarkPreviewPopup::bookmarkPreviewPopup( int index, QWidget *parent )
 	{
 		free( pixBuf ); pixBuf = NULL;
 	}
+
+	pos = parent->mapToGlobal(QPoint(0,0));
+
+	pos.setX( pos.x() - 300 );
+
+	move(pos);
+
 	fceuWrapperUnLock();
+
+	alpha = 0;
+	actv  = true;
+
+	setWindowOpacity(0.0f);
+
+	timer = new QTimer(this);
+
+	connect( timer, &QTimer::timeout, this, &bookmarkPreviewPopup::periodicUpdate );
+
+	timer->start(33);
+
 }
 //----------------------------------------------------------------------------
 bookmarkPreviewPopup::~bookmarkPreviewPopup( void )
 {
+	timer->stop();
+
 	if ( screenShotRaster != NULL )
 	{
 		free( screenShotRaster ); screenShotRaster = NULL;
@@ -6546,6 +6581,70 @@ bookmarkPreviewPopup::~bookmarkPreviewPopup( void )
 	//printf("Popup Deleted\n");
 }
 //----------------------------------------------------------------------------
+void bookmarkPreviewPopup::periodicUpdate(void)
+{
+	if ( actv )
+	{
+		if ( alpha < 255 )
+		{
+			alpha += 10;
+
+			if ( alpha > 255 )
+			{
+				alpha = 255;
+			}
+			setWindowOpacity( alpha / 255.0f );
+
+			update();
+		}
+	}
+	else
+	{
+		if ( alpha > 0 )
+		{
+			alpha -= 10;
+
+			if ( alpha < 0 )
+			{
+				alpha = 0;
+			}
+			setWindowOpacity( alpha / 255.0f );
+
+			update();
+		}
+		else
+		{
+			if ( instance == this )
+			{
+				instance = NULL;
+			}
+			done(0);
+			deleteLater();
+		}
+	}
+}
+//----------------------------------------------------------------------------
+int bookmarkPreviewPopup::currentIndex(void)
+{
+	if ( instance )
+	{
+		return instance->imageIndex;
+	}
+	return -1;
+}
+//----------------------------------------------------------------------------
+void bookmarkPreviewPopup::imageIndexChanged(int newIndex)
+{
+	//printf("newIndex:%i\n", newIndex );
+
+	actv = false;
+
+	if ( instance == this )
+	{
+		instance = NULL;
+	}
+}
+//----------------------------------------------------------------------------
 int bookmarkPreviewPopup::loadImage(int index)
 {
 	// uncompress

src/drivers/Qt/TasEditor/TasEditorWindow.h

@@ -114,17 +114,29 @@ struct NewProjectParameters
 	std::wstring authorName;
 };
 
-class bookmarkPreviewPopup : public fceuCustomToolTip
+class bookmarkPreviewPopup : public QDialog
 {
    Q_OBJECT
 	public:
 	   bookmarkPreviewPopup( int index, QWidget *parent = nullptr );
 	   ~bookmarkPreviewPopup(void);
 
+	   static int currentIndex(void);
+
 	private:
 	int loadImage(int index);
 
+		int alpha;
+		int imageIndex;
+		bool actv;
 		unsigned char *screenShotRaster;
+		QTimer *timer;
+
+		static bookmarkPreviewPopup *instance;
+
+	public slots:
+		void periodicUpdate(void);
+		void imageIndexChanged(int);
 };
 
 class markerDragPopup : public QDialog

src/drivers/Qt/TasEditor/bookmarks.cpp

@@ -788,7 +788,17 @@ void BOOKMARKS::mouseReleaseEvent(QMouseEvent * event)
 void BOOKMARKS::showImage(void)
 {
 	fceuCriticalSection emuLock;
-	static_cast<bookmarkPreviewPopup*>(fceuCustomToolTipShow( imagePos, new bookmarkPreviewPopup(imageItem, this) ));
+	//static_cast<bookmarkPreviewPopup*>(fceuCustomToolTipShow( imagePos, new bookmarkPreviewPopup(imageItem, this) ));
+	bool item_valid = (imageItem >= 0) && (imageItem < TOTAL_BOOKMARKS);
+
+	if ( item_valid && (imageItem != bookmarkPreviewPopup::currentIndex()) )
+	{
+		bookmarkPreviewPopup *popup = new bookmarkPreviewPopup(imageItem, this);
+
+		connect( this, SIGNAL(imageIndexChanged(int)), popup, SLOT(imageIndexChanged(int)) );
+
+		popup->show();
+	}
 }
 
 void BOOKMARKS::mouseMoveEvent(QMouseEvent * event)
@@ -808,6 +818,10 @@ void BOOKMARKS::mouseMoveEvent(QMouseEvent * event)
 
 	if ( item_valid && (column == BOOKMARKSLIST_COLUMN_TIME) && bookmarks->bookmarksArray[item].notEmpty)
 	{
+		if ( item != imageItem )
+		{
+			emit imageIndexChanged(item);
+		}
 		imageItem = item;
 		imagePos = event->globalPos();
 		imageTimer->start();
@@ -815,10 +829,36 @@ void BOOKMARKS::mouseMoveEvent(QMouseEvent * event)
 	}
 	else
 	{
+		item = -1;
+		if ( item != imageItem )
+		{
+			emit imageIndexChanged(item);
+		}
+		imageItem = item;
 		imageTimer->stop();
 	}
 }
 
+void BOOKMARKS::focusOutEvent(QFocusEvent *event)
+{
+	int item = -1;
+	if ( item != imageItem )
+	{
+		emit imageIndexChanged(item);
+	}
+	imageItem = item;
+}
+
+void BOOKMARKS::leaveEvent(QEvent *event)
+{
+	int item = -1;
+	if ( item != imageItem )
+	{
+		emit imageIndexChanged(item);
+	}
+	imageItem = item;
+}
+
 bool BOOKMARKS::event(QEvent *event)
 {
 	if (event->type() == QEvent::ToolTip)

src/drivers/Qt/TasEditor/bookmarks.h

@@ -110,6 +110,8 @@ protected:
 	void mousePressEvent(QMouseEvent * event);
 	void mouseReleaseEvent(QMouseEvent * event);
 	void mouseMoveEvent(QMouseEvent * event);
+	void focusOutEvent(QFocusEvent *event);
+	void leaveEvent(QEvent *event);
 	bool event(QEvent *event);
 
 	int    calcColumn( int px );
@@ -157,4 +159,7 @@ private:
 
 	private slots:
 		void showImage(void);
+
+	signals:
+		void imageIndexChanged(int);
 };

src/drivers/Qt/TasEditor/branches.cpp

@@ -586,7 +586,18 @@ void BRANCHES::mouseReleaseEvent(QMouseEvent * event)
 void BRANCHES::showImage(void)
 {
 	fceuCriticalSection emuLock;
-	static_cast<bookmarkPreviewPopup*>(fceuCustomToolTipShow( imagePos, new bookmarkPreviewPopup(imageItem, this) ));
+	//static_cast<bookmarkPreviewPopup*>(fceuCustomToolTipShow( imagePos, new bookmarkPreviewPopup(imageItem, this) ));
+	
+	bool item_valid = (imageItem >= 0) && (imageItem < TOTAL_BOOKMARKS);
+
+	if ( item_valid && (imageItem != bookmarkPreviewPopup::currentIndex()) )
+	{
+		bookmarkPreviewPopup *popup = new bookmarkPreviewPopup(imageItem, this);
+
+		connect( this, SIGNAL(imageIndexChanged(int)), popup, SLOT(imageIndexChanged(int)) );
+
+		popup->show();
+	}
 }
 
 void BRANCHES::mouseMoveEvent(QMouseEvent * event)
@@ -602,6 +613,10 @@ void BRANCHES::mouseMoveEvent(QMouseEvent * event)
 
 	if ( item_valid && bookmarks->bookmarksArray[item].notEmpty)
 	{
+		if ( item != imageItem )
+		{
+			emit imageIndexChanged(item);
+		}
 		imageItem = item;
 		imagePos  = event->globalPos();
 		imageTimer->start();
@@ -609,6 +624,12 @@ void BRANCHES::mouseMoveEvent(QMouseEvent * event)
 	}
 	else
 	{
+		item = -1;
+		if ( item != imageItem )
+		{
+			emit imageIndexChanged(item);
+		}
+		imageItem = item;
 		imageTimer->stop();
 	}
 
@@ -623,6 +644,30 @@ void BRANCHES::mouseMoveEvent(QMouseEvent * event)
 
 }
 
+void BRANCHES::focusOutEvent(QFocusEvent *event)
+{
+	int item = -1;
+	if ( item != imageItem )
+	{
+		emit imageIndexChanged(item);
+	}
+	imageItem = item;
+
+	bookmarks->itemUnderMouse = ITEM_UNDER_MOUSE_NONE;
+}
+
+void BRANCHES::leaveEvent(QEvent *event)
+{
+	int item = -1;
+	if ( item != imageItem )
+	{
+		emit imageIndexChanged(item);
+	}
+	imageItem = item;
+
+	bookmarks->itemUnderMouse = ITEM_UNDER_MOUSE_NONE;
+}
+
 bool BRANCHES::event(QEvent *event)
 {
 	if (event->type() == QEvent::ToolTip)

src/drivers/Qt/TasEditor/branches.h

@@ -151,6 +151,8 @@ protected:
 	void mouseReleaseEvent(QMouseEvent * event);
 	void mouseMoveEvent(QMouseEvent * event);
 	void mouseDoubleClickEvent(QMouseEvent * event);
+	void focusOutEvent(QFocusEvent *event);
+	void leaveEvent(QEvent *event);
 	bool event(QEvent *event);
 
 private:
@@ -214,4 +216,7 @@ private:
 
 	private slots:
 		void showImage(void);
+
+	signals:
+		void imageIndexChanged(int);
 };