Added logic to watch for screen change events coming from main window and notify OpenGL widget to recalculate screen pixel ratio and texture sizes.

src/drivers/Qt/ConsoleViewerGL.cpp

@@ -72,12 +72,12 @@ ConsoleViewGL_t::ConsoleViewGL_t(QWidget *parent)
 	setMinimumHeight( 224 );
 	setFocusPolicy(Qt::StrongFocus);
 
-	QScreen *screen = QGuiApplication::primaryScreen();
+	QScreen *screen = window()->screen();
 
 	if ( screen != NULL )
 	{
 		devPixRatio = screen->devicePixelRatio();
-		//printf("Ratio: %f \n", screen->devicePixelRatio() );
+		//printf("GL Ratio: %f \n", screen->devicePixelRatio() );
 	}
 	localBufSize = (4 * GL_NES_WIDTH) * (4 * GL_NES_HEIGHT) * sizeof(uint32_t);
 
@@ -116,6 +116,26 @@ ConsoleViewGL_t::~ConsoleViewGL_t(void)
 	}
 }
 
+void ConsoleViewGL_t::screenChanged( QScreen *screen )
+{
+	int w,h;
+
+	devPixRatio = screen->devicePixelRatio();
+
+	w = (int)(devPixRatio * width()  );
+	h = (int)(devPixRatio * height() );
+
+	view_width  = w;
+	view_height = h;
+
+	gui_draw_area_width = w;
+	gui_draw_area_height = h;
+
+	buildTextures();
+
+	//printf("GL Ratio: %f  %ix%i\n", screen->devicePixelRatio(), w, h );
+}
+
 int ConsoleViewGL_t::init( void )
 {
 	return 0;

src/drivers/Qt/ConsoleViewerGL.h

@@ -5,6 +5,7 @@
 
 #include <stdint.h>
 
+#include <QScreen>
 #include <QOpenGLWidget>
 #include <QOpenGLFunctions>
 
@@ -36,6 +37,8 @@ class ConsoleViewGL_t : public QOpenGLWidget, protected QOpenGLFunctions
 		void   getAspectXY( double &x, double &y );
 		double getAspectRatio(void);
 
+		void   screenChanged(QScreen *scr);
+
 	protected:
 	void initializeGL(void);
 	void resizeGL(int w, int h);

src/drivers/Qt/ConsoleWindow.cpp

@@ -221,6 +221,7 @@ consoleWin_t::consoleWin_t(QWidget *parent)
 	// Create AVI Recording Disk Thread
 	aviDiskThread = new AviRecordDiskThread_t(this);
 
+	connect( this->window()->windowHandle(), SIGNAL(screenChanged(QScreen*)), this, SLOT(winScreenChanged(QScreen*)) );
 }
 
 consoleWin_t::~consoleWin_t(void)
@@ -334,6 +335,15 @@ void consoleWin_t::videoReset(void)
 	return;
 }
 
+void consoleWin_t::winScreenChanged(QScreen *scr)
+{
+	//printf("Screen Changed: %p\n", scr );
+	if ( viewport_GL != NULL )
+	{
+		viewport_GL->screenChanged( scr );
+	}
+}
+
 QSize consoleWin_t::calcRequiredSize(void)
 {
 	QSize out( GL_NES_WIDTH, GL_NES_HEIGHT );

src/drivers/Qt/ConsoleWindow.h

@@ -405,6 +405,7 @@ class  consoleWin_t : public QMainWindow
 		void wavRecordStart(void);
 		void wavRecordAsStart(void);
 		void wavRecordStop(void);
+		void winScreenChanged( QScreen *scr );
 
 };