Merge remote-tracking branch 'sync/master' into prince-malik

28 files changed, 136 insertions, 92 deletions

diff --git a/backends/events/maemosdl/maemosdl-events.cpp b/backends/events/maemosdl/maemosdl-events.cpp
index dcdf0384e3..eaf2f48b60 100644
--- a/backends/events/maemosdl/maemosdl-events.cpp
+++ b/backends/events/maemosdl/maemosdl-events.cpp
@@ -188,7 +188,7 @@ bool MaemoSdlEventSource::handleMouseButtonUp(SDL_Event &ev, Common::Event &even
 
 bool MaemoSdlEventSource::toggleClickMode() {
 	_clickEnabled = !_clickEnabled;
-	((SurfaceSdlGraphicsManager *) _graphicsManager)->displayMessageOnOSD(
+	_graphicsManager->displayMessageOnOSD(
 	  _clickEnabled ? _("Clicking Enabled") : _("Clicking Disabled"));
 
 	return _clickEnabled;
diff --git a/backends/fs/amigaos4/amigaos4-fs.cpp b/backends/fs/amigaos4/amigaos4-fs.cpp
index 6d713f10be..bd8bf1978a 100644
--- a/backends/fs/amigaos4/amigaos4-fs.cpp
+++ b/backends/fs/amigaos4/amigaos4-fs.cpp
@@ -81,6 +81,7 @@ AmigaOSFilesystemNode::AmigaOSFilesystemNode(const Common::String &p) {
 	_sDisplayName = ::lastPathComponent(_sPath);
 	_pFileLock = 0;
 	_bIsDirectory = false;
+	_bIsValid = false;
 
 	// Check whether the node exists and if it is a directory
 	struct ExamineData * pExd = IDOS->ExamineObjectTags(EX_StringNameInput,_sPath.c_str(),TAG_END);
@@ -305,12 +306,6 @@ bool AmigaOSFilesystemNode::getChildren(AbstractFSList &myList, ListMode mode, b
 AbstractFSNode *AmigaOSFilesystemNode::getParent() const {
 	ENTER();
 
-	if (!_bIsDirectory) {
-		debug(6, "Not a directory");
-		LEAVE();
-		return 0;
-	}
-
 	if (_pFileLock == 0) {
 		debug(6, "Root node");
 		LEAVE();
@@ -332,6 +327,9 @@ AbstractFSNode *AmigaOSFilesystemNode::getParent() const {
 }
 
 bool AmigaOSFilesystemNode::isReadable() const {
+	if (!_bIsValid)
+		return false;
+
 	// Regular RWED protection flags are low-active or inverted, thus the negation.
 	// moreover pseudo root filesystem (null _pFileLock) is readable whatever the
 	// protection says
@@ -341,6 +339,9 @@ bool AmigaOSFilesystemNode::isReadable() const {
 }
 
 bool AmigaOSFilesystemNode::isWritable() const {
+	if (!_bIsValid)
+		return false;
+
 	// Regular RWED protection flags are low-active or inverted, thus the negation.
 	// moreover pseudo root filesystem (null _pFileLock) is never writable whatever
 	// the protection says (because of the pseudo nature)
diff --git a/backends/fs/amigaos4/amigaos4-fs.h b/backends/fs/amigaos4/amigaos4-fs.h
index c5ca61476f..7ce9981479 100644
--- a/backends/fs/amigaos4/amigaos4-fs.h
+++ b/backends/fs/amigaos4/amigaos4-fs.h
@@ -43,7 +43,13 @@
  */
 class AmigaOSFilesystemNode : public AbstractFSNode {
 protected:
+	/**
+	 * The main file lock.
+	 * If this is NULL but _bIsValid is true, then this Node references
+	 * the virtual filesystem root.
+	 */
 	BPTR _pFileLock;
+
 	Common::String _sDisplayName;
 	Common::String _sPath;
 	bool _bIsDirectory;
diff --git a/backends/fs/wii/wii-fs-factory.cpp b/backends/fs/wii/wii-fs-factory.cpp
index 760e5316e7..f234c1e300 100644
--- a/backends/fs/wii/wii-fs-factory.cpp
+++ b/backends/fs/wii/wii-fs-factory.cpp
@@ -33,6 +33,9 @@
 #ifdef USE_WII_DI
 #include <di/di.h>
 #include <iso9660.h>
+#ifdef GAMECUBE
+#include <ogc/dvd.h>
+#endif
 #endif
 
 #ifdef USE_WII_SMB
@@ -125,6 +128,14 @@ bool WiiFilesystemFactory::failedToMount(FileSystemType type) {
 	return false;
 }
 
+#ifdef USE_WII_DI
+#ifndef GAMECUBE
+  const DISC_INTERFACE* dvd = &__io_wiidvd;
+#else
+  const DISC_INTERFACE* dvd = &__io_gcdvd;
+#endif
+#endif
+
 void WiiFilesystemFactory::mount(FileSystemType type) {
 	switch (type) {
 	case kDVD:
@@ -133,7 +144,7 @@ void WiiFilesystemFactory::mount(FileSystemType type) {
 			break;
 
 		printf("mount dvd\n");
-		if (ISO9660_Mount()) {
+		if (ISO9660_Mount("dvd", dvd)) {
 			_dvdMounted = true;
 			_dvdError = false;
 			printf("ISO9660 mounted\n");
@@ -179,7 +190,7 @@ void WiiFilesystemFactory::umount(FileSystemType type) {
 
 		printf("umount dvd\n");
 
-		ISO9660_Unmount();
+		ISO9660_Unmount("dvd:");
 
 		_dvdMounted = false;
 		_dvdError = false;
diff --git a/backends/fs/wii/wii-fs.cpp b/backends/fs/wii/wii-fs.cpp
index 4a19e18240..43f4f592b7 100644
--- a/backends/fs/wii/wii-fs.cpp
+++ b/backends/fs/wii/wii-fs.cpp
@@ -80,9 +80,9 @@ void WiiFilesystemNode::clearFlags() {
 
 void WiiFilesystemNode::setFlags(const struct stat *st) {
 	_exists = true;
-	_isDirectory = S_ISDIR(st->st_mode);
-	_isReadable = (st->st_mode & S_IRUSR) > 0;
-	_isWritable = (st->st_mode & S_IWUSR) > 0;
+	_isDirectory = ( (st->st_mode & S_IFDIR) != 0 );
+	_isReadable = ( (st->st_mode & S_IRUSR) != 0 );
+	_isWritable = ( (st->st_mode & S_IWUSR) != 0 );
 }
 
 WiiFilesystemNode::WiiFilesystemNode() {
@@ -106,7 +106,7 @@ WiiFilesystemNode::WiiFilesystemNode(const Common::String &p) {
 	_displayName = lastPathComponent(_path, '/');
 
 	struct stat st;
-	if (!stat(_path.c_str(), &st))
+	if(stat(_path.c_str(), &st) != -1)
 		setFlags(&st);
 	else
 		clearFlags();
@@ -152,33 +152,45 @@ bool WiiFilesystemNode::getChildren(AbstractFSList &list, ListMode mode, bool hi
 	if (_path.empty())
 		return getDevopChildren(list, mode, hidden);
 
-	DIR_ITER* dp = diropen (_path.c_str());
+	DIR* dp = opendir (_path.c_str());
+	DIR* tmpdir;
 
 	if (dp == NULL)
 		return false;
 
-	char filename[MAXPATHLEN];
-	struct stat st;
+	struct dirent *pent;
 
-	while (dirnext(dp, filename, &st) == 0) {
-		if (strcmp(filename, ".") == 0 || strcmp(filename, "..") == 0)
+	while ((pent = readdir(dp)) != NULL) {
+		if (strcmp(pent->d_name, ".") == 0 || strcmp(pent->d_name, "..") == 0)
 			continue;
 
 		Common::String newPath(_path);
 		if (newPath.lastChar() != '/')
-			newPath += '/';
-		newPath += filename;
-
-		bool isDir = S_ISDIR(st.st_mode);
-
+		  newPath += '/';
+		newPath += pent->d_name;
+	  
+		bool isDir = false;
+		tmpdir = opendir(newPath.c_str());
+		if(tmpdir)
+		{
+			isDir = true;
+			closedir(tmpdir);
+		}
+		
 		if ((mode == Common::FSNode::kListFilesOnly && isDir) ||
 			(mode == Common::FSNode::kListDirectoriesOnly && !isDir))
 			continue;
-
+		
+		struct stat st;
+		st.st_mode = 0;
+		st.st_mode |= ( isDir ? S_IFDIR : 0 );
+		st.st_mode |= S_IRUSR;
+		st.st_mode |= S_IWUSR;
+			
 		list.push_back(new WiiFilesystemNode(newPath, &st));
 	}
 
-	dirclose(dp);
+	closedir(dp);
 
 	return true;
 }
diff --git a/backends/fs/wii/wii-fs.h b/backends/fs/wii/wii-fs.h
index 11679d0c36..f785101099 100644
--- a/backends/fs/wii/wii-fs.h
+++ b/backends/fs/wii/wii-fs.h
@@ -51,7 +51,7 @@ public:
 	 *
 	 * @param path Common::String with the path the new node should point to.
 	 */
-	WiiFilesystemNode(const Common::String &path);
+	WiiFilesystemNode(const Common::String &p);
 	WiiFilesystemNode(const Common::String &p, const struct stat *st);
 
 	virtual bool exists() const;
diff --git a/backends/graphics/graphics.h b/backends/graphics/graphics.h
index 74258b8910..24397228e6 100644
--- a/backends/graphics/graphics.h
+++ b/backends/graphics/graphics.h
@@ -37,27 +37,6 @@ class GraphicsManager : public PaletteManager {
 public:
 	virtual ~GraphicsManager() {}
 
-	/**
-	 * Makes this graphics manager active. That means it should be ready to
-	 * process inputs now. However, even without being active it should be
-	 * able to query the supported modes and other bits.
-	 *
-	 * HACK: Actually this is specific to SdlGraphicsManager subclasses.
-	 * But sadly we cannot cast from GraphicsManager to SdlGraphicsManager
-	 * because there is no relation between these two.
-	 */
-	virtual void activateManager() {}
-
-	/**
-	 * Makes this graphics manager inactive. This should allow another
-	 * graphics manager to become active again.
-	 *
-	 * HACK: Actually this is specific to SdlGraphicsManager subclasses.
-	 * But sadly we cannot cast from GraphicsManager to SdlGraphicsManager
-	 * because there is no relation between these two.
-	 */
-	virtual void deactivateManager() {}
-
 	virtual bool hasFeature(OSystem::Feature f) = 0;
 	virtual void setFeatureState(OSystem::Feature f, bool enable) = 0;
 	virtual bool getFeatureState(OSystem::Feature f) = 0;
diff --git a/backends/graphics/opengl/debug.cpp b/backends/graphics/opengl/debug.cpp
index 69006bb975..d5d73fb5ec 100644
--- a/backends/graphics/opengl/debug.cpp
+++ b/backends/graphics/opengl/debug.cpp
@@ -52,9 +52,9 @@ Common::String getGLErrStr(GLenum error) {
 } // End of anonymous namespace
 
 void checkGLError(const char *expr, const char *file, int line) {
-	GLenum error = glGetError();
+	GLenum error;
 
-	if (error != GL_NO_ERROR) {
+	while ((error = glGetError()) != GL_NO_ERROR) {
 		// We cannot use error here because we do not know whether we have a
 		// working screen or not.
 		warning("GL ERROR: %s on %s (%s:%d)", getGLErrStr(error).c_str(), expr, file, line);
diff --git a/backends/graphics/opengl/opengl-graphics.h b/backends/graphics/opengl/opengl-graphics.h
index d2d0358407..93c0c5bc83 100644
--- a/backends/graphics/opengl/opengl-graphics.h
+++ b/backends/graphics/opengl/opengl-graphics.h
@@ -47,7 +47,7 @@ enum {
 	GFX_NEAREST = 1
 };
 
-class OpenGLGraphicsManager : public GraphicsManager {
+class OpenGLGraphicsManager : virtual public GraphicsManager {
 public:
 	OpenGLGraphicsManager();
 	virtual ~OpenGLGraphicsManager();
diff --git a/backends/graphics/openglsdl/openglsdl-graphics.cpp b/backends/graphics/openglsdl/openglsdl-graphics.cpp
index e39cd35870..3f9fc1fbd5 100644
--- a/backends/graphics/openglsdl/openglsdl-graphics.cpp
+++ b/backends/graphics/openglsdl/openglsdl-graphics.cpp
@@ -73,8 +73,7 @@ OpenGLSdlGraphicsManager::~OpenGLSdlGraphicsManager() {
 }
 
 void OpenGLSdlGraphicsManager::activateManager() {
-	OpenGLGraphicsManager::activateManager();
-	initEventSource();
+	SdlGraphicsManager::activateManager();
 
 	// Register the graphics manager as a event observer
 	g_system->getEventManager()->getEventDispatcher()->registerObserver(this, 10, false);
@@ -86,8 +85,7 @@ void OpenGLSdlGraphicsManager::deactivateManager() {
 		g_system->getEventManager()->getEventDispatcher()->unregisterObserver(this);
 	}
 
-	deinitEventSource();
-	OpenGLGraphicsManager::deactivateManager();
+	SdlGraphicsManager::deactivateManager();
 }
 
 bool OpenGLSdlGraphicsManager::hasFeature(OSystem::Feature f) {
diff --git a/backends/graphics/sdl/sdl-graphics.cpp b/backends/graphics/sdl/sdl-graphics.cpp
index 417f4faf54..40b97b267b 100644
--- a/backends/graphics/sdl/sdl-graphics.cpp
+++ b/backends/graphics/sdl/sdl-graphics.cpp
@@ -31,10 +31,10 @@ SdlGraphicsManager::SdlGraphicsManager(SdlEventSource *source)
 SdlGraphicsManager::~SdlGraphicsManager() {
 }
 
-void SdlGraphicsManager::initEventSource() {
+void SdlGraphicsManager::activateManager() {
 	_eventSource->setGraphicsManager(this);
 }
 
-void SdlGraphicsManager::deinitEventSource() {
+void SdlGraphicsManager::deactivateManager() {
 	_eventSource->setGraphicsManager(0);
 }
diff --git a/backends/graphics/sdl/sdl-graphics.h b/backends/graphics/sdl/sdl-graphics.h
index 4d4338af16..3791961cfa 100644
--- a/backends/graphics/sdl/sdl-graphics.h
+++ b/backends/graphics/sdl/sdl-graphics.h
@@ -23,6 +23,8 @@
 #ifndef BACKENDS_GRAPHICS_SDL_SDLGRAPHICS_H
 #define BACKENDS_GRAPHICS_SDL_SDLGRAPHICS_H
 
+#include "backends/graphics/graphics.h"
+
 #include "common/rect.h"
 
 class SdlEventSource;
@@ -31,16 +33,26 @@ class SdlEventSource;
  * Base class for a SDL based graphics manager.
  *
  * It features a few extra a few extra features required by SdlEventSource.
- * FIXME/HACK:
- * Note it does not inherit from GraphicsManager to avoid a diamond inheritance
- * in the current OpenGLSdlGraphicsManager.
  */
-class SdlGraphicsManager {
+class SdlGraphicsManager : virtual public GraphicsManager {
 public:
 	SdlGraphicsManager(SdlEventSource *source);
 	virtual ~SdlGraphicsManager();
 
 	/**
+	 * Makes this graphics manager active. That means it should be ready to
+	 * process inputs now. However, even without being active it should be
+	 * able to query the supported modes and other bits.
+	 */
+	virtual void activateManager();
+
+	/**
+	 * Makes this graphics manager inactive. This should allow another
+	 * graphics manager to become active again.
+	 */
+	virtual void deactivateManager();
+
+	/**
 	 * Notify the graphics manager that the graphics needs to be redrawn, since
 	 * the application window was modified.
 	 *
@@ -80,9 +92,6 @@ public:
 	virtual void notifyMousePos(Common::Point mouse) = 0;
 
 protected:
-	void initEventSource();
-	void deinitEventSource();
-
 	SdlEventSource *_eventSource;
 };
 
diff --git a/backends/graphics/surfacesdl/surfacesdl-graphics.cpp b/backends/graphics/surfacesdl/surfacesdl-graphics.cpp
index 0a4dcf3ea3..b3af08e2e8 100644
--- a/backends/graphics/surfacesdl/surfacesdl-graphics.cpp
+++ b/backends/graphics/surfacesdl/surfacesdl-graphics.cpp
@@ -198,8 +198,7 @@ SurfaceSdlGraphicsManager::~SurfaceSdlGraphicsManager() {
 }
 
 void SurfaceSdlGraphicsManager::activateManager() {
-	GraphicsManager::activateManager();
-	initEventSource();
+	SdlGraphicsManager::activateManager();
 
 	// Register the graphics manager as a event observer
 	g_system->getEventManager()->getEventDispatcher()->registerObserver(this, 10, false);
@@ -211,8 +210,7 @@ void SurfaceSdlGraphicsManager::deactivateManager() {
 		g_system->getEventManager()->getEventDispatcher()->unregisterObserver(this);
 	}
 
-	deinitEventSource();
-	GraphicsManager::deactivateManager();
+	SdlGraphicsManager::deactivateManager();
 }
 
 bool SurfaceSdlGraphicsManager::hasFeature(OSystem::Feature f) {
@@ -746,6 +744,8 @@ bool SurfaceSdlGraphicsManager::loadGFXMode() {
 	if (_screen == NULL)
 		error("allocating _screen failed");
 
+	// Avoid having SDL_SRCALPHA set even if we supplied an alpha-channel in the format.
+	SDL_SetAlpha(_screen, 0, 255);
 #else
 	_screen = SDL_CreateRGBSurface(SDL_SWSURFACE, _videoMode.screenWidth, _videoMode.screenHeight, 8, 0, 0, 0, 0);
 	if (_screen == NULL)
diff --git a/backends/graphics/surfacesdl/surfacesdl-graphics.h b/backends/graphics/surfacesdl/surfacesdl-graphics.h
index 00c05ff2bf..22b7780675 100644
--- a/backends/graphics/surfacesdl/surfacesdl-graphics.h
+++ b/backends/graphics/surfacesdl/surfacesdl-graphics.h
@@ -75,7 +75,7 @@ public:
 /**
  * SDL graphics manager
  */
-class SurfaceSdlGraphicsManager : public GraphicsManager, public SdlGraphicsManager, public Common::EventObserver {
+class SurfaceSdlGraphicsManager : public SdlGraphicsManager, public Common::EventObserver {
 public:
 	SurfaceSdlGraphicsManager(SdlEventSource *sdlEventSource);
 	virtual ~SurfaceSdlGraphicsManager();
diff --git a/backends/platform/android/gfx.cpp b/backends/platform/android/gfx.cpp
index 0ce95a3cfb..9f6c759c75 100644
--- a/backends/platform/android/gfx.cpp
+++ b/backends/platform/android/gfx.cpp
@@ -94,6 +94,7 @@ Common::List<Graphics::PixelFormat> OSystem_Android::getSupportedFormats() const
 	Common::List<Graphics::PixelFormat> res;
 	res.push_back(GLES565Texture::pixelFormat());
 	res.push_back(GLES5551Texture::pixelFormat());
+	res.push_back(GLES8888Texture::pixelFormat());
 	res.push_back(GLES4444Texture::pixelFormat());
 	res.push_back(Graphics::PixelFormat::createFormatCLUT8());
 
@@ -147,6 +148,8 @@ void OSystem_Android::initTexture(GLESBaseTexture **texture,
 			*texture = new GLES565Texture();
 		else if (format_new == GLES5551Texture::pixelFormat())
 			*texture = new GLES5551Texture();
+		else if (format_new == GLES8888Texture::pixelFormat())
+			*texture = new GLES8888Texture();
 		else if (format_new == GLES4444Texture::pixelFormat())
 			*texture = new GLES4444Texture();
 		else {
diff --git a/backends/platform/android/texture.cpp b/backends/platform/android/texture.cpp
index cc41c0d8a6..87fd2d976c 100644
--- a/backends/platform/android/texture.cpp
+++ b/backends/platform/android/texture.cpp
@@ -259,11 +259,15 @@ void GLESTexture::fillBuffer(uint32 color) {
 	assert(_surface.getPixels());
 
 	if (_pixelFormat.bytesPerPixel == 1 ||
-			((color & 0xff) == ((color >> 8) & 0xff)))
+			(_pixelFormat.bytesPerPixel == 2 &&
+			((color & 0xff) == ((color >> 8) & 0xff))))
 		memset(_pixels, color & 0xff, _surface.pitch * _surface.h);
-	else
-		Common::fill(_pixels, _pixels + _surface.pitch * _surface.h,
+	else if (_pixelFormat.bytesPerPixel == 2)
+		Common::fill((uint16 *)_pixels, (uint16 *)(_pixels + _surface.pitch * _surface.h),
 						(uint16)color);
+	else
+		Common::fill((uint32 *)_pixels, (uint32 *)(_pixels + _surface.pitch * _surface.h),
+						color);
 
 	setDirty();
 }
@@ -334,6 +338,13 @@ GLES565Texture::GLES565Texture() :
 GLES565Texture::~GLES565Texture() {
 }
 
+GLES8888Texture::GLES8888Texture() :
+	GLESTexture(GL_RGBA, GL_UNSIGNED_BYTE, pixelFormat()) {
+}
+
+GLES8888Texture::~GLES8888Texture() {
+}
+
 GLESFakePaletteTexture::GLESFakePaletteTexture(GLenum glFormat, GLenum glType,
 									Graphics::PixelFormat pixelFormat) :
 	GLESBaseTexture(glFormat, glType, pixelFormat),
diff --git a/backends/platform/android/texture.h b/backends/platform/android/texture.h
index 4307b5a1bc..67f7343c98 100644
--- a/backends/platform/android/texture.h
+++ b/backends/platform/android/texture.h
@@ -224,6 +224,18 @@ public:
 	}
 };
 
+// RGBA8888 texture
+class GLES8888Texture : public GLESTexture {
+public:
+	GLES8888Texture();
+	virtual ~GLES8888Texture();
+
+	static inline Graphics::PixelFormat pixelFormat() {
+		// We assume LE since all Android platforms are LE.
+		return Graphics::PixelFormat(4, 8, 8, 8, 8, 0, 8, 16, 24);
+	}
+};
+
 class GLESFakePaletteTexture : public GLESBaseTexture {
 protected:
 	GLESFakePaletteTexture(GLenum glFormat, GLenum glType,
diff --git a/backends/platform/sdl/posix/posix.cpp b/backends/platform/sdl/posix/posix.cpp
index 954f404ac6..1752153f29 100644
--- a/backends/platform/sdl/posix/posix.cpp
+++ b/backends/platform/sdl/posix/posix.cpp
@@ -50,7 +50,7 @@ void OSystem_POSIX::init() {
 	// Initialze File System Factory
 	_fsFactory = new POSIXFilesystemFactory();
 
-#if defined(USE_TASKBAR) && defined(USE_TASKBAR_UNITY)
+#if defined(USE_TASKBAR) && defined(USE_UNITY)
 	// Initialize taskbar manager
 	_taskbarManager = new UnityTaskbarManager();
 #endif
@@ -67,7 +67,7 @@ void OSystem_POSIX::initBackend() {
 	// Invoke parent implementation of this method
 	OSystem_SDL::initBackend();
 
-#if defined(USE_TASKBAR) && defined(USE_TASKBAR_UNITY)
+#if defined(USE_TASKBAR) && defined(USE_UNITY)
 	// Register the taskbar manager as an event source (this is necessary for the glib event loop to be run)
 	_eventManager->getEventDispatcher()->registerSource((UnityTaskbarManager *)_taskbarManager, false);
 #endif
diff --git a/backends/platform/sdl/sdl.cpp b/backends/platform/sdl/sdl.cpp
index 178eeb96af..913ae51f69 100644
--- a/backends/platform/sdl/sdl.cpp
+++ b/backends/platform/sdl/sdl.cpp
@@ -91,7 +91,7 @@ OSystem_SDL::~OSystem_SDL() {
 	delete _savefileManager;
 	_savefileManager = 0;
 	if (_graphicsManager) {
-		_graphicsManager->deactivateManager();
+		dynamic_cast<SdlGraphicsManager *>(_graphicsManager)->deactivateManager();
 	}
 	delete _graphicsManager;
 	_graphicsManager = 0;
@@ -240,7 +240,7 @@ void OSystem_SDL::initBackend() {
 	// so the virtual keyboard can be initialized, but we have to add the
 	// graphics manager as an event observer after initializing the event
 	// manager.
-	_graphicsManager->activateManager();
+	dynamic_cast<SdlGraphicsManager *>(_graphicsManager)->activateManager();
 }
 
 #if defined(USE_TASKBAR)
@@ -579,14 +579,14 @@ bool OSystem_SDL::setGraphicsMode(int mode) {
 	// manager, delete and create the new mode graphics manager
 	if (_graphicsMode >= _firstGLMode && mode < _firstGLMode) {
 		debug(1, "switching to plain SDL graphics");
-		_graphicsManager->deactivateManager();
+		dynamic_cast<SdlGraphicsManager *>(_graphicsManager)->deactivateManager();
 		delete _graphicsManager;
 		_graphicsManager = new SurfaceSdlGraphicsManager(_eventSource);
 
 		switchedManager = true;
 	} else if (_graphicsMode < _firstGLMode && mode >= _firstGLMode) {
 		debug(1, "switching to OpenGL graphics");
-		_graphicsManager->deactivateManager();
+		dynamic_cast<SdlGraphicsManager *>(_graphicsManager)->deactivateManager();
 		delete _graphicsManager;
 		_graphicsManager = new OpenGLSdlGraphicsManager(_desktopWidth, _desktopHeight, _eventSource);
 
@@ -596,7 +596,7 @@ bool OSystem_SDL::setGraphicsMode(int mode) {
 	_graphicsMode = mode;
 
 	if (switchedManager) {
-		_graphicsManager->activateManager();
+		dynamic_cast<SdlGraphicsManager *>(_graphicsManager)->activateManager();
 
 		_graphicsManager->beginGFXTransaction();
 #ifdef USE_RGB_COLOR
diff --git a/backends/platform/wii/main.cpp b/backends/platform/wii/main.cpp
index affe053b6a..ec6231522e 100644
--- a/backends/platform/wii/main.cpp
+++ b/backends/platform/wii/main.cpp
@@ -225,7 +225,8 @@ int main(int argc, char *argv[]) {
 	printf("shutdown\n");
 
 	SYS_UnregisterResetFunc(&resetinfo);
-	fatUnmountDefault();
+	fatUnmount("usb:/");
+	fatUnmount("sd:/");
 
 	if (res)
 		show_console(res);
diff --git a/backends/platform/wii/osystem_events.cpp b/backends/platform/wii/osystem_events.cpp
index 3ba66aed89..aa63c8aa22 100644
--- a/backends/platform/wii/osystem_events.cpp
+++ b/backends/platform/wii/osystem_events.cpp
@@ -188,7 +188,7 @@ void OSystem_Wii::initEvents() {
 	_padAcceleration = 9 - ConfMan.getInt("wii_pad_acceleration");
 
 #ifdef USE_WII_KBD
-	_kbd_active = KEYBOARD_Init() >= 0;
+	_kbd_active = KEYBOARD_Init(NULL) >= 0;
 #endif
 }
 
diff --git a/backends/platform/wii/wii.mk b/backends/platform/wii/wii.mk
index 7d2db68b4e..99ef46338c 100644
--- a/backends/platform/wii/wii.mk
+++ b/backends/platform/wii/wii.mk
@@ -17,10 +17,10 @@ geckoupload: $(WII_EXE_STRIPPED)
 	$(DEVKITPPC)/bin/geckoupload $<
 
 wiigdb:
-	$(DEVKITPPC)/bin/powerpc-gekko-gdb -n $(EXECUTABLE)
+	$(DEVKITPPC)/bin/powerpc-eabi-gdb -n $(EXECUTABLE)
 
 wiidebug:
-	$(DEVKITPPC)/bin/powerpc-gekko-gdb -n $(EXECUTABLE) -x $(srcdir)/backends/platform/wii/gdb.txt
+	$(DEVKITPPC)/bin/powerpc-eabi-gdb -n $(EXECUTABLE) -x $(srcdir)/backends/platform/wii/gdb.txt
 
 # target to create a Wii snapshot
 wiidist: all
diff --git a/backends/platform/wince/CEActionsPocket.cpp b/backends/platform/wince/CEActionsPocket.cpp
index 5980a41caa..493a5e688c 100644
--- a/backends/platform/wince/CEActionsPocket.cpp
+++ b/backends/platform/wince/CEActionsPocket.cpp
@@ -236,7 +236,7 @@ CEActionsPocket::~CEActionsPocket() {
 bool CEActionsPocket::perform(GUI::ActionType action, bool pushed) {
 	static bool keydialogrunning = false, quitdialog = false;
 
-	_graphicsMan = ((WINCESdlGraphicsManager *)((OSystem_SDL *)g_system)->getGraphicsManager());
+	_graphicsMan = dynamic_cast<WINCESdlGraphicsManager *>(((OSystem_SDL *)g_system)->getGraphicsManager());
 
 	if (!pushed) {
 		switch (action) {
diff --git a/backends/platform/wince/CEActionsSmartphone.cpp b/backends/platform/wince/CEActionsSmartphone.cpp
index 2cce288323..d2bc449dfc 100644
--- a/backends/platform/wince/CEActionsSmartphone.cpp
+++ b/backends/platform/wince/CEActionsSmartphone.cpp
@@ -202,7 +202,7 @@ CEActionsSmartphone::~CEActionsSmartphone() {
 bool CEActionsSmartphone::perform(GUI::ActionType action, bool pushed) {
 	static bool keydialogrunning = false, quitdialog = false;
 
-	_graphicsMan = ((WINCESdlGraphicsManager *)((OSystem_SDL *)g_system)->getGraphicsManager());
+	_graphicsMan = dynamic_cast<WINCESdlGraphicsManager *>(((OSystem_SDL *)g_system)->getGraphicsManager());
 
 	if (!pushed) {
 		switch (action) {
diff --git a/backends/platform/wince/CELauncherDialog.cpp b/backends/platform/wince/CELauncherDialog.cpp
index dd6076e0af..3908294682 100644
--- a/backends/platform/wince/CELauncherDialog.cpp
+++ b/backends/platform/wince/CELauncherDialog.cpp
@@ -65,12 +65,12 @@ public:
 };
 
 CELauncherDialog::CELauncherDialog() : GUI::LauncherDialog() {
-	((WINCESdlGraphicsManager *)((OSystem_SDL *)g_system)->getGraphicsManager())->reset_panel();
+	dynamic_cast<WINCESdlGraphicsManager *>(((OSystem_SDL *)g_system)->getGraphicsManager())->reset_panel();
 }
 
 void CELauncherDialog::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
 	if ((cmd == 'STRT') || (cmd == kListItemActivatedCmd) || (cmd == kListItemDoubleClickedCmd)) {
-		((WINCESdlGraphicsManager *)((OSystem_SDL *)g_system)->getGraphicsManager())->init_panel();
+		dynamic_cast<WINCESdlGraphicsManager *>(((OSystem_SDL *)g_system)->getGraphicsManager())->init_panel();
 	}
 	LauncherDialog::handleCommand(sender, cmd, data);
 	if (cmd == 'ABOU') {
diff --git a/backends/platform/wince/wince-sdl.cpp b/backends/platform/wince/wince-sdl.cpp
index 1c5cd5565b..1c9c178460 100644
--- a/backends/platform/wince/wince-sdl.cpp
+++ b/backends/platform/wince/wince-sdl.cpp
@@ -422,7 +422,7 @@ void OSystem_WINCE3::initBackend() {
 	if (_graphicsManager == 0)
 		_graphicsManager = new WINCESdlGraphicsManager(_eventSource);
 
-	((WINCESdlEventSource *)_eventSource)->init((WINCESdlGraphicsManager *)_graphicsManager);
+	((WINCESdlEventSource *)_eventSource)->init(dynamic_cast<WINCESdlGraphicsManager *>(_graphicsManager));
 
 	// Call parent implementation of this method
 	OSystem_SDL::initBackend();
@@ -486,15 +486,16 @@ void OSystem_WINCE3::swap_sound_master() {
 
 	//WINCESdlGraphicsManager _graphicsManager
 
-	if (((WINCESdlGraphicsManager *)_graphicsManager)->_toolbarHandler.activeName() == NAME_MAIN_PANEL)
-		((WINCESdlGraphicsManager *)_graphicsManager)->_toolbarHandler.forceRedraw(); // redraw sound icon
+	WINCESdlGraphicsManager *graphicsManager = dynamic_cast<WINCESdlGraphicsManager *>(_graphicsManager);
+	if (graphicsManager->_toolbarHandler.activeName() == NAME_MAIN_PANEL)
+		graphicsManager->_toolbarHandler.forceRedraw(); // redraw sound icon
 }
 
 
 void OSystem_WINCE3::engineInit() {
 	check_mappings(); // called here to initialize virtual keys handling
 
-	((WINCESdlGraphicsManager *)_graphicsManager)->update_game_settings();
+	dynamic_cast<WINCESdlGraphicsManager *>(_graphicsManager)->update_game_settings();
 	// finalize mixer init
 	_mixerManager->init();
 }
diff --git a/backends/taskbar/unity/unity-taskbar.cpp b/backends/taskbar/unity/unity-taskbar.cpp
index f36e2bf628..1b82e58c8a 100644
--- a/backends/taskbar/unity/unity-taskbar.cpp
+++ b/backends/taskbar/unity/unity-taskbar.cpp
@@ -24,7 +24,7 @@
 #define FORBIDDEN_SYMBOL_EXCEPTION_time_h
 #include "common/scummsys.h"
 
-#if defined(POSIX) && defined(USE_TASKBAR) && defined(USE_TASKBAR_UNITY)
+#if defined(POSIX) && defined(USE_TASKBAR) && defined(USE_UNITY)
 
 #include "backends/taskbar/unity/unity-taskbar.h"
 
diff --git a/backends/taskbar/unity/unity-taskbar.h b/backends/taskbar/unity/unity-taskbar.h
index d1d9430bcd..d818ed9ff1 100644
--- a/backends/taskbar/unity/unity-taskbar.h
+++ b/backends/taskbar/unity/unity-taskbar.h
@@ -23,7 +23,7 @@
 #ifndef BACKEND_UNITY_TASKBAR_H
 #define BACKEND_UNITY_TASKBAR_H
 
-#if defined(POSIX) && defined(USE_TASKBAR) && defined(USE_TASKBAR_UNITY)
+#if defined(POSIX) && defined(USE_TASKBAR) && defined(USE_UNITY)
 
 #include "common/events.h"
 #include "common/str.h"