SDL: Let SDL based graphics managers inherit from SdlGraphicsManager.

This also adapts port I can not test (not even the compilation). So if this
breaks anything I am sorry about it.

13 files changed, 147 insertions, 45 deletions

diff --git a/backends/graphics/dinguxsdl/dinguxsdl-graphics.cpp b/backends/graphics/dinguxsdl/dinguxsdl-graphics.cpp
index 8075d0d45b..5aa39aa9a5 100644
--- a/backends/graphics/dinguxsdl/dinguxsdl-graphics.cpp
+++ b/backends/graphics/dinguxsdl/dinguxsdl-graphics.cpp
@@ -514,17 +514,22 @@ void DINGUXSdlGraphicsManager::adjustMouseEvent(const Common::Event &event) {
 	if (!event.synthetic) {
 		Common::Event newEvent(event);
 		newEvent.synthetic = true;
-		if (!_overlayVisible) {
-			if (_videoMode.mode == GFX_HALF) {
-				newEvent.mouse.x *= 2;
-				newEvent.mouse.y *= 2;
-			}
-			newEvent.mouse.x /= _videoMode.scaleFactor;
-			newEvent.mouse.y /= _videoMode.scaleFactor;
-			if (_videoMode.aspectRatioCorrection)
-				newEvent.mouse.y = aspect2Real(newEvent.mouse.y);
+		transformMouseCoordinates(newEvent.mouse);
+		g_system->getEventManager()->pushEvent(newEvent);
+	}
+}
+
+void DINGUXSdlGraphicsManager::transformMouseCoordinates(Common::Point &point) {
+	if (!_overlayVisible) {
+		if (_videoMode.mode == GFX_HALF) {
+			point.x *= 2;
+			point.y *= 2;
 		}
 		g_system->getEventManager()->pushEvent(newEvent);
+		point.x /= _videoMode.scaleFactor;
+		point.y /= _videoMode.scaleFactor;
+		if (_videoMode.aspectRatioCorrection)
+			point.y = aspect2Real(point.y);
 	}
 }
 
diff --git a/backends/graphics/dinguxsdl/dinguxsdl-graphics.h b/backends/graphics/dinguxsdl/dinguxsdl-graphics.h
index 84a784b771..468a19a3ee 100644
--- a/backends/graphics/dinguxsdl/dinguxsdl-graphics.h
+++ b/backends/graphics/dinguxsdl/dinguxsdl-graphics.h
@@ -58,6 +58,7 @@ public:
 	SurfaceSdlGraphicsManager::VideoState *getVideoMode();
 
 	virtual void adjustMouseEvent(const Common::Event &event);
+	virtual void transformMouseCoordinates(Common::Point &point);
 };
 
 #endif /* BACKENDS_GRAPHICS_SDL_DINGUX_H */
diff --git a/backends/graphics/gph/gph-graphics.cpp b/backends/graphics/gph/gph-graphics.cpp
index 82a32203fb..12643fbff8 100644
--- a/backends/graphics/gph/gph-graphics.cpp
+++ b/backends/graphics/gph/gph-graphics.cpp
@@ -583,17 +583,22 @@ void GPHGraphicsManager::adjustMouseEvent(const Common::Event &event) {
 	if (!event.synthetic) {
 		Common::Event newEvent(event);
 		newEvent.synthetic = true;
-		if (!_overlayVisible) {
-			if (_videoMode.mode == GFX_HALF) {
-				newEvent.mouse.x *= 2;
-				newEvent.mouse.y *= 2;
-			}
-			newEvent.mouse.x /= _videoMode.scaleFactor;
-			newEvent.mouse.y /= _videoMode.scaleFactor;
-			if (_videoMode.aspectRatioCorrection)
-				newEvent.mouse.y = aspect2Real(newEvent.mouse.y);
+		transformMouseCoordinates(newEvent.mouse);
+		g_system->getEventManager()->pushEvent(newEvent);
+	}
+}
+
+void GPHGraphicsManager::transformMouseCoordinates(Common::Point &point) {
+	if (!_overlayVisible) {
+		if (_videoMode.mode == GFX_HALF) {
+			point.x *= 2;
+			point.y *= 2;
 		}
 		g_system->getEventManager()->pushEvent(newEvent);
+		point.x /= _videoMode.scaleFactor;
+		point.y /= _videoMode.scaleFactor;
+		if (_videoMode.aspectRatioCorrection)
+			point.y = aspect2Real(point.y);
 	}
 }
 
diff --git a/backends/graphics/gph/gph-graphics.h b/backends/graphics/gph/gph-graphics.h
index 45b8618569..f7d0ce43fd 100644
--- a/backends/graphics/gph/gph-graphics.h
+++ b/backends/graphics/gph/gph-graphics.h
@@ -57,6 +57,7 @@ public:
 	SurfaceSdlGraphicsManager::VideoState *getVideoMode();
 
 	virtual void adjustMouseEvent(const Common::Event &event);
+	virtual void transformMouseCoordinates(Common::Point &point);
 };
 
 #endif /* BACKENDS_GRAPHICS_GPH_H */
diff --git a/backends/graphics/linuxmotosdl/linuxmotosdl-graphics.cpp b/backends/graphics/linuxmotosdl/linuxmotosdl-graphics.cpp
index 732074b7e2..bf21bec3fb 100644
--- a/backends/graphics/linuxmotosdl/linuxmotosdl-graphics.cpp
+++ b/backends/graphics/linuxmotosdl/linuxmotosdl-graphics.cpp
@@ -482,17 +482,22 @@ void LinuxmotoSdlGraphicsManager::adjustMouseEvent(const Common::Event &event) {
 	if (!event.synthetic) {
 		Common::Event newEvent(event);
 		newEvent.synthetic = true;
-		if (!_overlayVisible) {
-			if (_videoMode.mode == GFX_HALF) {
-				newEvent.mouse.x *= 2;
-				newEvent.mouse.y *= 2;
-			}
-			newEvent.mouse.x /= _videoMode.scaleFactor;
-			newEvent.mouse.y /= _videoMode.scaleFactor;
-			if (_videoMode.aspectRatioCorrection)
-				newEvent.mouse.y = aspect2Real(newEvent.mouse.y);
+		transformMouseCoordinates(newEvent.mouse);
+		g_system->getEventManager()->pushEvent(newEvent);
+	}
+}
+
+void LinuxmotoSdlGraphicsManager::transformMouseCoordinates(Common::Point &point) {
+	if (!_overlayVisible) {
+		if (_videoMode.mode == GFX_HALF) {
+			point.x *= 2;
+			point.y *= 2;
 		}
 		g_system->getEventManager()->pushEvent(newEvent);
+		point.x /= _videoMode.scaleFactor;
+		point.y /= _videoMode.scaleFactor;
+		if (_videoMode.aspectRatioCorrection)
+			point.y = aspect2Real(point.y);
 	}
 }
 
diff --git a/backends/graphics/linuxmotosdl/linuxmotosdl-graphics.h b/backends/graphics/linuxmotosdl/linuxmotosdl-graphics.h
index 938512f323..f615018733 100644
--- a/backends/graphics/linuxmotosdl/linuxmotosdl-graphics.h
+++ b/backends/graphics/linuxmotosdl/linuxmotosdl-graphics.h
@@ -42,6 +42,7 @@ public:
 	virtual void hideOverlay();
 	virtual void warpMouse(int x, int y);
 
+	virtual void transformMouseCoordinates(Common::Point &point);
 protected:
 	virtual void adjustMouseEvent(const Common::Event &event);
 };
diff --git a/backends/graphics/openglsdl/openglsdl-graphics.cpp b/backends/graphics/openglsdl/openglsdl-graphics.cpp
index bd7dd32e3b..8828cb5f49 100644
--- a/backends/graphics/openglsdl/openglsdl-graphics.cpp
+++ b/backends/graphics/openglsdl/openglsdl-graphics.cpp
@@ -30,8 +30,9 @@
 #include "common/textconsole.h"
 #include "common/translation.h"
 
-OpenGLSdlGraphicsManager::OpenGLSdlGraphicsManager()
+OpenGLSdlGraphicsManager::OpenGLSdlGraphicsManager(SdlEventSource *eventSource)
 	:
+	SdlGraphicsManager(eventSource),
 	_hwscreen(0),
 	_screenResized(false),
 	_activeFullscreenMode(-2),
@@ -655,4 +656,50 @@ bool OpenGLSdlGraphicsManager::notifyEvent(const Common::Event &event) {
 	return OpenGLGraphicsManager::notifyEvent(event);
 }
 
+void OpenGLSdlGraphicsManager::notifyVideoExpose() {
+}
+
+void OpenGLSdlGraphicsManager::notifyResize(const uint width, const uint height) {
+	// Do not resize if ignoring resize events.
+	if (!_ignoreResizeFrames && !getFullscreenMode()) {
+		bool scaleChanged = false;
+		beginGFXTransaction();
+			_videoMode.hardwareWidth = width;
+			_videoMode.hardwareHeight = height;
+
+			if (_videoMode.mode != OpenGL::GFX_ORIGINAL) {
+				_screenResized = true;
+				calculateDisplaySize(_videoMode.hardwareWidth, _videoMode.hardwareHeight);
+			}
+
+			int scale = MIN(_videoMode.hardwareWidth / _videoMode.screenWidth,
+			                _videoMode.hardwareHeight / _videoMode.screenHeight);
+
+			if (getScale() != scale) {
+				scaleChanged = true;
+				setScale(MAX(MIN(scale, 3), 1));
+			}
+
+			if (_videoMode.mode == OpenGL::GFX_ORIGINAL) {
+				calculateDisplaySize(_videoMode.hardwareWidth, _videoMode.hardwareHeight);
+			}
+
+			_transactionDetails.sizeChanged = true;
+		endGFXTransaction();
+#ifdef USE_OSD
+		if (scaleChanged)
+			displayScaleChangedMsg();
+#endif
+	}
+}
+
+void OpenGLSdlGraphicsManager::transformMouseCoordinates(Common::Point &point) {
+	adjustMousePosition(point.x, point.y);
+}
+ 
+void OpenGLSdlGraphicsManager::notifyMousePos(Common::Point mouse) {
+	_cursorState.x = mouse.x;
+	_cursorState.y = mouse.y;
+}
+
 #endif
diff --git a/backends/graphics/openglsdl/openglsdl-graphics.h b/backends/graphics/openglsdl/openglsdl-graphics.h
index ba9f94db2d..6cd255bbb8 100644
--- a/backends/graphics/openglsdl/openglsdl-graphics.h
+++ b/backends/graphics/openglsdl/openglsdl-graphics.h
@@ -23,19 +23,20 @@
 #ifndef BACKENDS_GRAPHICS_OPENGLSDL_H
 #define BACKENDS_GRAPHICS_OPENGLSDL_H
 
-#include "backends/platform/sdl/sdl-sys.h"
 #if defined(ARRAYSIZE) && !defined(_WINDOWS_)
 #undef ARRAYSIZE
 #endif
+#include "backends/platform/sdl/sdl-sys.h"
+#include "backends/graphics/sdl/sdl-graphics.h"
 
 #include "backends/graphics/opengl/opengl-graphics.h"
 
 /**
  * SDL OpenGL graphics manager
  */
-class OpenGLSdlGraphicsManager : public OpenGLGraphicsManager {
+class OpenGLSdlGraphicsManager : public OpenGLGraphicsManager, public SdlGraphicsManager {
 public:
-	OpenGLSdlGraphicsManager();
+	OpenGLSdlGraphicsManager(SdlEventSource *eventSource);
 	virtual ~OpenGLSdlGraphicsManager();
 
 	virtual bool hasFeature(OSystem::Feature f);
@@ -49,6 +50,12 @@ public:
 
 	virtual void updateScreen();
 
+	// SdlGraphicsManager interface
+	virtual void notifyVideoExpose();
+	virtual void notifyResize(const uint width, const uint height);
+	virtual void transformMouseCoordinates(Common::Point &point);
+	virtual void notifyMousePos(Common::Point mouse);
+
 protected:
 	virtual void internUpdateScreen();
 
diff --git a/backends/graphics/surfacesdl/surfacesdl-graphics.cpp b/backends/graphics/surfacesdl/surfacesdl-graphics.cpp
index 2d41ecead4..293fd9b188 100644
--- a/backends/graphics/surfacesdl/surfacesdl-graphics.cpp
+++ b/backends/graphics/surfacesdl/surfacesdl-graphics.cpp
@@ -122,7 +122,7 @@ static AspectRatio getDesiredAspectRatio() {
 
 SurfaceSdlGraphicsManager::SurfaceSdlGraphicsManager(SdlEventSource *sdlEventSource)
 	:
-	_sdlEventSource(sdlEventSource),
+	SdlGraphicsManager(sdlEventSource), _sdlEventSource(sdlEventSource),
 #ifdef USE_OSD
 	_osdSurface(0), _osdAlpha(SDL_ALPHA_TRANSPARENT), _osdFadeStartTime(0),
 #endif
@@ -2324,4 +2324,22 @@ bool SurfaceSdlGraphicsManager::notifyEvent(const Common::Event &event) {
 	return false;
 }
 
+void SurfaceSdlGraphicsManager::notifyVideoExpose() {
+	_forceFull = true;
+}
+
+void SurfaceSdlGraphicsManager::transformMouseCoordinates(Common::Point &point) {
+	if (!_overlayVisible) {
+		point.x /= _videoMode.scaleFactor;
+		point.y /= _videoMode.scaleFactor;
+		if (_videoMode.aspectRatioCorrection)
+			point.y = aspect2Real(point.y);
+	}
+}
+
+void SurfaceSdlGraphicsManager::notifyMousePos(Common::Point mouse) {
+	transformMouseCoordinates(mouse);
+	setMousePos(mouse.x, mouse.y);
+}
+
 #endif
diff --git a/backends/graphics/surfacesdl/surfacesdl-graphics.h b/backends/graphics/surfacesdl/surfacesdl-graphics.h
index cd8710d443..3de59c79be 100644
--- a/backends/graphics/surfacesdl/surfacesdl-graphics.h
+++ b/backends/graphics/surfacesdl/surfacesdl-graphics.h
@@ -24,6 +24,7 @@
 #define BACKENDS_GRAPHICS_SURFACESDL_GRAPHICS_H
 
 #include "backends/graphics/graphics.h"
+#include "backends/graphics/sdl/sdl-graphics.h"
 #include "graphics/pixelformat.h"
 #include "graphics/scaler.h"
 #include "common/events.h"
@@ -74,7 +75,7 @@ public:
 /**
  * SDL graphics manager
  */
-class SurfaceSdlGraphicsManager : public GraphicsManager, public Common::EventObserver {
+class SurfaceSdlGraphicsManager : public GraphicsManager, public SdlGraphicsManager, public Common::EventObserver {
 public:
 	SurfaceSdlGraphicsManager(SdlEventSource *sdlEventSource);
 	virtual ~SurfaceSdlGraphicsManager();
@@ -140,6 +141,11 @@ public:
 	// Override from Common::EventObserver
 	bool notifyEvent(const Common::Event &event);
 
+	// SdlGraphicsManager interface
+	virtual void notifyVideoExpose();
+	virtual void transformMouseCoordinates(Common::Point &point);
+	virtual void notifyMousePos(Common::Point mouse);
+
 protected:
 	SdlEventSource *_sdlEventSource;
 
diff --git a/backends/graphics/wincesdl/wincesdl-graphics.cpp b/backends/graphics/wincesdl/wincesdl-graphics.cpp
index b1b4d4cbe7..023000d6c1 100644
--- a/backends/graphics/wincesdl/wincesdl-graphics.cpp
+++ b/backends/graphics/wincesdl/wincesdl-graphics.cpp
@@ -1162,20 +1162,24 @@ void WINCESdlGraphicsManager::adjustMouseEvent(const Common::Event &event) {
 	if (!event.synthetic) {
 		Common::Event newEvent(event);
 		newEvent.synthetic = true;
-		/*
-		if (!_overlayVisible) {
-			newEvent.mouse.x = newEvent.mouse.x * _scaleFactorXd / _scaleFactorXm;
-			newEvent.mouse.y = newEvent.mouse.y * _scaleFactorYd / _scaleFactorYm;
-			newEvent.mouse.x /= _videoMode.scaleFactor;
-			newEvent.mouse.y /= _videoMode.scaleFactor;
-			if (_videoMode.aspectRatioCorrection)
-				newEvent.mouse.y = aspect2Real(newEvent.mouse.y);
-		}
-		*/
+		transformMouseCoordinates(newEvent.mouse);
 		g_system->getEventManager()->pushEvent(newEvent);
 	}
 }
 
+void WINCESdlGraphicsManager::transformMouseCoordinates(Common::Point &point) {
+	/*
+	if (!_overlayVisible) {
+		point.x = point.x * _scaleFactorXd / _scaleFactorXm;
+		point.y = point.y * _scaleFactorYd / _scaleFactorYm;
+		point.x /= _videoMode.scaleFactor;
+		point.y /= _videoMode.scaleFactor;
+		if (_videoMode.aspectRatioCorrection)
+			point.y = aspect2Real(point.y);
+	}
+	*/
+}
+
 void WINCESdlGraphicsManager::setMousePos(int x, int y) {
 	if (x != _mouseCurState.x || y != _mouseCurState.y) {
 		undrawMouse();
diff --git a/backends/graphics/wincesdl/wincesdl-graphics.h b/backends/graphics/wincesdl/wincesdl-graphics.h
index c9fc145194..f80a72b553 100644
--- a/backends/graphics/wincesdl/wincesdl-graphics.h
+++ b/backends/graphics/wincesdl/wincesdl-graphics.h
@@ -158,6 +158,8 @@ public:
 
 	static zoneDesc _zones[TOTAL_ZONES];
 
+	virtual void transformMouseCoordinates(Common::Point &point);
+
 protected:
 	virtual void adjustMouseEvent(const Common::Event &event);
 
diff --git a/backends/platform/sdl/sdl.cpp b/backends/platform/sdl/sdl.cpp
index e72b95bdc1..63871f5034 100644
--- a/backends/platform/sdl/sdl.cpp
+++ b/backends/platform/sdl/sdl.cpp
@@ -174,7 +174,7 @@ void OSystem_SDL::initBackend() {
 
 			// If the gfx_mode is from OpenGL, create the OpenGL graphics manager
 			if (use_opengl) {
-				_graphicsManager = new OpenGLSdlGraphicsManager();
+				_graphicsManager = new OpenGLSdlGraphicsManager(_eventSource);
 				graphicsManagerType = 1;
 			}
 		}
@@ -538,7 +538,7 @@ bool OSystem_SDL::setGraphicsMode(int mode) {
 			} else if (_graphicsMode < _sdlModesCount && mode >= _sdlModesCount) {
 				debug(1, "switching to OpenGL graphics");
 				delete _graphicsManager;
-				_graphicsManager = new OpenGLSdlGraphicsManager();
+				_graphicsManager = new OpenGLSdlGraphicsManager(_eventSource);
 				((OpenGLSdlGraphicsManager *)_graphicsManager)->initEventObserver();
 				_graphicsManager->beginGFXTransaction();
 			}