Merge pull request #244 from mjbudd77/master

Corrections for zapper emulation via mouse using Qt GUI.

src/drivers/Qt/ConsoleViewerGL.cpp

@@ -7,6 +7,7 @@
 
 #include <QApplication>
 #include <QScreen>
+#include <QMouseEvent>
 
 #include "Qt/nes_shm.h"
 #include "Qt/fceuWrapper.h"
@@ -27,6 +28,10 @@ ConsoleViewGL_t::ConsoleViewGL_t(QWidget *parent)
 	autoScaleEna = true;
 	xscale = 2.0;
 	yscale = 2.0;
+	sx = 0; sy = 0;
+	rw = 256;
+	rh = 240;
+	mouseButtonMask = 0;
 
 	setMinimumWidth( GL_NES_WIDTH );
 	setMinimumHeight( GL_NES_HEIGHT );
@@ -208,6 +213,61 @@ void ConsoleViewGL_t::transfer2LocalBuffer(void)
 	}
 }
 
+void ConsoleViewGL_t::mousePressEvent(QMouseEvent * event)
+{
+	//printf("Mouse Button Press: (%i,%i) %x  %x\n", 
+	//		event->pos().x(), event->pos().y(), event->button(), event->buttons() );
+
+	mouseButtonMask = event->buttons();
+}
+
+void ConsoleViewGL_t::mouseReleaseEvent(QMouseEvent * event)
+{
+	//printf("Mouse Button Release: (%i,%i) %x  %x\n", 
+	//		event->pos().x(), event->pos().y(), event->button(), event->buttons() );
+
+	mouseButtonMask = event->buttons();
+}
+
+bool ConsoleViewGL_t::getMouseButtonState( unsigned int btn )
+{
+	return (mouseButtonMask & btn) ? true : false;
+}
+
+void  ConsoleViewGL_t::getNormalizedCursorPos( double &x, double &y )
+{
+	QPoint cursor;
+
+	cursor = QCursor::pos();
+
+	//printf("Global Cursor (%i,%i) \n", cursor.x(), cursor.y() );
+
+	cursor = mapFromGlobal( cursor );
+
+	//printf("Window Cursor (%i,%i) \n", cursor.x(), cursor.y() );
+
+	x = (double)(cursor.x() - sx) / (double)rw;
+	y = (double)(cursor.y() - sy) / (double)rh;
+
+	if ( x < 0.0 )
+	{
+		x = 0.0;
+	}
+	else if ( x > 1.0 )
+	{
+		x = 1.0;
+	}
+	if ( y < 0.0 )
+	{
+		y = 0.0;
+	}
+	else if ( y > 1.0 )
+	{
+		y = 1.0;
+	}
+	//printf("Normalized Cursor (%f,%f) \n", x, y );
+}
+
 void ConsoleViewGL_t::paintGL(void)
 {
 	int texture_width  = nes_shm->video.ncol;
@@ -247,10 +307,10 @@ void ConsoleViewGL_t::paintGL(void)
 			yscaleTmp = yscale;
 		}
 	}
-	int rw=(int)((r-l)*xscaleTmp);
+	rw=(int)((r-l)*xscaleTmp);
-	int rh=(int)((b-t)*yscaleTmp);
+	rh=(int)((b-t)*yscaleTmp);
-	int sx=(view_width-rw)/2;   
+	sx=(view_width-rw)/2;   
-	int sy=(view_height-rh)/2;
+	sy=(view_height-rh)/2;
 
 	glViewport(sx, sy, rw, rh);
 

src/drivers/Qt/ConsoleViewerGL.h

@@ -29,11 +29,15 @@ class ConsoleViewGL_t : public QOpenGLWidget, protected QOpenGLFunctions
 		double getScaleX(void){ return xscale; };
 		double getScaleY(void){ return yscale; };
 		void   setScaleXY( double xs, double ys );
+		void   getNormalizedCursorPos( double &x, double &y );
+		bool   getMouseButtonState( unsigned int btn );
 
 	protected:
    void initializeGL(void);
 	void resizeGL(int w, int h);
 	void paintGL(void);
+	void mousePressEvent(QMouseEvent * event);
+	void mouseReleaseEvent(QMouseEvent * event);
 
 	void buildTextures(void);
 	void calcPixRemap(void);
@@ -44,11 +48,17 @@ class ConsoleViewGL_t : public QOpenGLWidget, protected QOpenGLFunctions
 	double yscale;
 	int  view_width;
 	int  view_height;
+	int  sx;
+	int  sy;
+	int  rw;
+	int  rh;
 	GLuint gltexture;
 	bool   linearFilter;
 	bool   sqrPixels;
 	bool   autoScaleEna;
 
+	unsigned int  mouseButtonMask;
+
 	uint32_t  *localBuf;
 	uint32_t   localBufSize;
 

src/drivers/Qt/ConsoleViewerSDL.cpp

@@ -42,6 +42,7 @@ ConsoleViewSDL_t::ConsoleViewSDL_t(QWidget *parent)
 	sdlTexture  = NULL;
 
 	vsyncEnabled = false;
+	mouseButtonMask = 0;
 
 	localBufSize = (4 * GL_NES_WIDTH) * (4 * GL_NES_HEIGHT) * sizeof(uint32_t);
 
@@ -252,6 +253,61 @@ void ConsoleViewSDL_t::resizeEvent(QResizeEvent *event)
 	reset();
 }
 
+void ConsoleViewSDL_t::mousePressEvent(QMouseEvent * event)
+{
+	//printf("Mouse Button Press: (%i,%i) %x  %x\n", 
+	//		event->pos().x(), event->pos().y(), event->button(), event->buttons() );
+
+	mouseButtonMask = event->buttons();
+}
+
+void ConsoleViewSDL_t::mouseReleaseEvent(QMouseEvent * event)
+{
+	//printf("Mouse Button Release: (%i,%i) %x  %x\n", 
+	//		event->pos().x(), event->pos().y(), event->button(), event->buttons() );
+
+	mouseButtonMask = event->buttons();
+}
+
+bool ConsoleViewSDL_t::getMouseButtonState( unsigned int btn )
+{
+	return (mouseButtonMask & btn) ? true : false;
+}
+
+void  ConsoleViewSDL_t::getNormalizedCursorPos( double &x, double &y )
+{
+	QPoint cursor;
+
+	cursor = QCursor::pos();
+
+	//printf("Global Cursor (%i,%i) \n", cursor.x(), cursor.y() );
+
+	cursor = mapFromGlobal( cursor );
+
+	//printf("Window Cursor (%i,%i) \n", cursor.x(), cursor.y() );
+
+	x = (double)(cursor.x() - sx) / (double)rw;
+	y = (double)(cursor.y() - sy) / (double)rh;
+
+	if ( x < 0.0 )
+	{
+		x = 0.0;
+	}
+	else if ( x > 1.0 )
+	{
+		x = 1.0;
+	}
+	if ( y < 0.0 )
+	{
+		y = 0.0;
+	}
+	else if ( y > 1.0 )
+	{
+		y = 1.0;
+	}
+	//printf("Normalized Cursor (%f,%f) \n", x, y );
+}
+
 void ConsoleViewSDL_t::render(void)
 {
 	int nesWidth  = GL_NES_WIDTH;

src/drivers/Qt/ConsoleViewerSDL.h

@@ -32,11 +32,16 @@ class ConsoleViewSDL_t : public QWidget
 		double getScaleX(void){ return xscale; };
 		double getScaleY(void){ return yscale; };
 		void   setScaleXY( double xs, double ys );
+		void   getNormalizedCursorPos( double &x, double &y );
+		bool   getMouseButtonState( unsigned int btn );
 
 	protected:
 
 	//void paintEvent(QPaintEvent *event);
 	void resizeEvent(QResizeEvent *event);
+	void mousePressEvent(QMouseEvent * event);
+	void mouseReleaseEvent(QMouseEvent * event);
+
 	int  view_width;
 	int  view_height;
 
@@ -57,6 +62,7 @@ class ConsoleViewSDL_t : public QWidget
 
 	uint32_t  *localBuf;
 	uint32_t   localBufSize;
+	unsigned int mouseButtonMask;
 
  	SDL_Window   *sdlWindow;
 	SDL_Renderer *sdlRenderer;

src/drivers/Qt/input.cpp

@@ -22,6 +22,7 @@
 #include "Qt/dface.h"
 #include "Qt/input.h"
 #include "Qt/config.h"
+#include "Qt/ConsoleWindow.h"
 
 
 #include "Qt/sdl.h"
@@ -1068,31 +1069,46 @@ do {                                              \
  * Return the state of the mouse buttons.  Input 'd' is an array of 3
  * integers that store <x, y, button state>.
  */
-void				// removed static for a call in lua-engine.cpp
+void GetMouseData (uint32 (&d)[3])
-GetMouseData (uint32 (&d)[3])
 {
-	int x, y;
+	uint32 t, b;
-	uint32 t;
+	double nx = 0.0, ny = 0.0;
 
-	// retrieve the state of the mouse from SDL
+	b = 0; // map mouse buttons
-	t = SDL_GetMouseState (&x, &y);
 
-	d[2] = 0;
+	if ( consoleWindow->viewport_SDL )
-	if (t & SDL_BUTTON (1))
 	{
-		d[2] |= 0x1;
+		consoleWindow->viewport_SDL->getNormalizedCursorPos(nx,ny);
+
+		if ( consoleWindow->viewport_SDL->getMouseButtonState( Qt::LeftButton ) )
+		{
+			b |= 0x01;
+		}
+		if ( consoleWindow->viewport_SDL->getMouseButtonState( Qt::RightButton ) )
+		{
+			b |= 0x02;
+		}
 	}
-	if (t & SDL_BUTTON (3))
+	else
 	{
-		d[2] |= 0x2;
+		consoleWindow->viewport_GL->getNormalizedCursorPos(nx,ny);
+
+		if ( consoleWindow->viewport_GL->getMouseButtonState( Qt::LeftButton ) )
+		{
+			b |= 0x01;
+		}
+		if ( consoleWindow->viewport_GL->getMouseButtonState( Qt::RightButton ) )
+		{
+			b |= 0x02;
+		}
 	}
 
-	// get the mouse position from the SDL video driver
+	t = PtoV (nx, ny);
-	t = PtoV (x, y);
+	d[2] = b;
 	d[0] = t & 0xFFFF;
 	d[1] = (t >> 16) & 0xFFFF;
-	// debug print 
+
-	// printf("mouse %d %d %d\n", d[0], d[1], d[2]);
+	//printf("mouse %d %d %d\n", d[0], d[1], d[2]);
 }
 
 void GetMouseRelative (int32 (&d)[3])

src/drivers/Qt/sdl-video.cpp

@@ -492,16 +492,28 @@ BlitScreen(uint8 *XBuf)
  *  Converts an x-y coordinate in the window manager into an x-y
  *  coordinate on FCEU's screen.
  */
-uint32
+uint32 PtoV(double nx, double ny)
-PtoV(uint16 x,
-	uint16 y)
 {
-	y = (uint16)((double)y / s_eys);
+	int x, y;
-	x = (uint16)((double)x / s_exs);
+	y = (int)( ny * (double)nes_shm->video.nrow );
-	if(s_clipSides) {
+	x = (int)( nx * (double)nes_shm->video.ncol );
+
+	//printf("Scaled (%i,%i) \n", x, y);
+
+	x = x / nes_shm->video.scale;
+
+	if ( nes_shm->video.xyRatio == 1 )
+	{
+		y = y / nes_shm->video.scale;
+	}
+	//printf("UnScaled (%i,%i) \n", x, y);
+
+	if (s_clipSides) 
+	{
 		x += 8;
 	}
 	y += s_srendline;
+
 	return (x | (y << 16));
 }
 

src/drivers/Qt/sdl-video.h

@@ -6,7 +6,7 @@
 #include <SDL.h>
 #endif
 
-uint32 PtoV(uint16 x, uint16 y);
+uint32 PtoV(double x, double y);
 bool FCEUD_ShouldDrawInputAids();
 bool FCEUI_AviDisableMovieMessages();
 bool FCEUI_AviEnableHUDrecording();