Patch 17508: Blender Web Plugin - XEmbed. Enable XEmbed integration of blenderplayer, using -i as input parameter to pass embedder window id. create a minimal web plugin to embed blenderplayer on web pages (using gecko/mozilla as browser). Only for *nix.

CMakeLists.txt

@@ -64,6 +64,7 @@ OPTION(WITH_OPENEXR		"Enable OpenEXR Support (http://www.openexr.com)"	ON)
 OPTION(WITH_FFMPEG		"Enable FFMPeg Support (http://ffmpeg.mplayerhq.hu/)"	OFF)
 OPTION(WITH_OPENAL		"Enable OpenAL Support (http://www.openal.org)"		ON)
 OPTION(WITH_OPENMP		"Enable OpenMP (has to be supported by the compiler)"	OFF)
+OPTION(WITH_WEBPLUGIN		"Enable Web Plugin (Mozilla-Unix only)"			OFF)
 
 IF(NOT WITH_GAMEENGINE AND WITH_PLAYER)
   MESSAGE("WARNING: WITH_PLAYER needs WITH_GAMEENGINE")
@@ -456,6 +457,13 @@ SUBDIRS(
 # Blender Application
 SUBDIRS(source/creator)
 
+#-----------------------------------------------------------------------------
+# Blender WebPlugin
+IF(WITH_WEBPLUGIN) 
+  SET(MOZILLA_DIR "${CMAKE_SOURCE_DIR}/../gecko-sdk/" CACHE PATH "Gecko SDK path")
+  SET(WITH_PLAYER ON)
+ENDIF(WITH_WEBPLUGIN)
+
 #-----------------------------------------------------------------------------
 # Blender Player
 IF(WITH_PLAYER)

intern/ghost/GHOST_ISystem.h

@@ -224,13 +224,15 @@ public:
 	 * @param	state		The state of the window when opened.
 	 * @param	type		The type of drawing context installed in this window.
 	 * @param	stereoVisual	Create a stereo visual for quad buffered stereo.
+	 * @param	parentWindow 	Parent (embedder) window
 	 * @return	The new window (or 0 if creation failed).
 	 */
 	virtual GHOST_IWindow* createWindow(
 		const STR_String& title,
 		GHOST_TInt32 left, GHOST_TInt32 top, GHOST_TUns32 width, GHOST_TUns32 height,
 		GHOST_TWindowState state, GHOST_TDrawingContextType type,
-		const bool stereoVisual) = 0;
+		const bool stereoVisual,
+		const GHOST_TEmbedderWindowID parentWindow = 0) = 0;
 
 	/**
 	 * Dispose a window.

intern/ghost/GHOST_Types.h

@@ -100,6 +100,7 @@ typedef enum {
 	GHOST_kWindowStateMaximized,
 	GHOST_kWindowStateMinimized,
 	GHOST_kWindowStateFullScreen,
+	GHOST_kWindowStateEmbedded,
 	GHOST_kWindowState8Normal = 8,
 	GHOST_kWindowState8Maximized,
 	GHOST_kWindowState8Minimized,
@@ -392,6 +393,15 @@ typedef struct {
 } GHOST_DisplaySetting;
 
 
+#ifdef _WIN32
+typedef long GHOST_TEmbedderWindowID;
+#endif // _WIN32
+
+#ifndef _WIN32
+// I can't use "Window" from "<X11/Xlib.h>" because it conflits with Window defined in winlay.h
+typedef int GHOST_TEmbedderWindowID;
+#endif // _WIN32
+
 /**
  * A timer task callback routine.
  * @param task The timer task object.

intern/ghost/intern/GHOST_SystemCarbon.cpp

@@ -402,7 +402,8 @@ GHOST_IWindow* GHOST_SystemCarbon::createWindow(
 	GHOST_TUns32 height,
 	GHOST_TWindowState state,
 	GHOST_TDrawingContextType type,
-	bool stereoVisual
+	bool stereoVisual,
+	const GHOST_TEmbedderWindowID parentWindow
 )
 {
     GHOST_IWindow* window = 0;

intern/ghost/intern/GHOST_SystemCarbon.h

@@ -103,6 +103,7 @@ public:
 	 * @param	height	The height the window.
 	 * @param	state	The state of the window when opened.
 	 * @param	type	The type of drawing context installed in this window.
+	 * @param	parentWindow 	Parent (embedder) window
 	 * @return	The new window (or 0 if creation failed).
 	 */
 	virtual GHOST_IWindow* createWindow(
@@ -113,7 +114,8 @@ public:
 		GHOST_TUns32 height,
 		GHOST_TWindowState state,
 		GHOST_TDrawingContextType type,
-		const bool stereoVisual
+		const bool stereoVisual,
+		const GHOST_TEmbedderWindowID parentWindow = 0 
 	);
 	
 	/***************************************************************************************

intern/ghost/intern/GHOST_SystemWin32.cpp

@@ -169,7 +169,7 @@ GHOST_IWindow* GHOST_SystemWin32::createWindow(
 	const STR_String& title, 
 	GHOST_TInt32 left, GHOST_TInt32 top, GHOST_TUns32 width, GHOST_TUns32 height,
 	GHOST_TWindowState state, GHOST_TDrawingContextType type,
-	bool stereoVisual)
+	bool stereoVisual, const GHOST_TEmbedderWindowID parentWindow )
 {
 	GHOST_Window* window = 0;
 	window = new GHOST_WindowWin32 (title, left, top, width, height, state, type, stereoVisual);

intern/ghost/intern/GHOST_SystemWin32.h

@@ -109,13 +109,14 @@ public:
 	 * @param	height	The height the window.
 	 * @param	state	The state of the window when opened.
 	 * @param	type	The type of drawing context installed in this window.
+	 * @param	parentWindow 	Parent (embedder) window
 	 * @return	The new window (or 0 if creation failed).
 	 */
 	virtual GHOST_IWindow* createWindow(
 		const STR_String& title,
 		GHOST_TInt32 left, GHOST_TInt32 top, GHOST_TUns32 width, GHOST_TUns32 height,
 		GHOST_TWindowState state, GHOST_TDrawingContextType type,
-		const bool stereoVisual);
+		const bool stereoVisual, const GHOST_TEmbedderWindowID parentWindow = 0 );
 
 	/***************************************************************************************
 	 ** Event management functionality

intern/ghost/intern/GHOST_SystemX11.cpp

@@ -191,6 +191,7 @@ getMainDisplayDimensions(
 	 * @param	height	The height the window.
 	 * @param	state	The state of the window when opened.
 	 * @param	type	The type of drawing context installed in this window.
+	 * @param	parentWindow 	Parent (embedder) window
 	 * @return	The new window (or 0 if creation failed).
 	 */
 	GHOST_IWindow* 
@@ -203,14 +204,18 @@ createWindow(
 	GHOST_TUns32 height,
 	GHOST_TWindowState state,
 	GHOST_TDrawingContextType type,
-	bool stereoVisual
+	bool stereoVisual,
+	const GHOST_TEmbedderWindowID parentWindow
 ){
 	GHOST_WindowX11 * window = 0;
 	
 	if (!m_display) return 0;
 	
+
+	
+
 	window = new GHOST_WindowX11 (
-		this,m_display,title, left, top, width, height, state, type, stereoVisual
+		this,m_display,title, left, top, width, height, state, parentWindow, type, stereoVisual
 	);
 
 	if (window) {
@@ -511,7 +516,9 @@ GHOST_SystemX11::processEvent(XEvent *xe)
 			}
 			break;
 		}
-			
+		
+		case DestroyNotify:
+			::exit(-1);	
 		// We're not interested in the following things.(yet...)
 		case NoExpose : 
 		case GraphicsExpose :

intern/ghost/intern/GHOST_SystemX11.h

@@ -108,6 +108,7 @@ public:
 	 * @param	state		The state of the window when opened.
 	 * @param	type		The type of drawing context installed in this window.
 	 * @param       stereoVisual    Create a stereo visual for quad buffered stereo.
+	 * @param	parentWindow 	Parent (embedder) window
 	 * @return	The new window (or 0 if creation failed).
 	 */
 		GHOST_IWindow* 
@@ -119,9 +120,10 @@ public:
 		GHOST_TUns32 height,
 		GHOST_TWindowState state,
 		GHOST_TDrawingContextType type,
-		const bool stereoVisual
+		const bool stereoVisual,
+		const GHOST_TEmbedderWindowID parentWindow = 0 
 	);
-	 
+
 	/**
 	 * @section Interface Inherited from GHOST_ISystem 
 	 */

intern/ghost/intern/GHOST_WindowX11.cpp

@@ -138,6 +138,7 @@ GHOST_WindowX11(
 	GHOST_TUns32 width,	
 	GHOST_TUns32 height,
 	GHOST_TWindowState state,
+	const GHOST_TEmbedderWindowID parentWindow,
 	GHOST_TDrawingContextType type,
 	const bool stereoVisual
 ) :
@@ -205,21 +206,57 @@ GHOST_WindowX11(
 
 	// create the window!
 
-	m_window = 
-		XCreateWindow(
-			m_display, 
-			RootWindow(m_display, m_visual->screen), 
-			left,
-			top,
-			width,
-			height,
-			0, // no border.
-			m_visual->depth,
-			InputOutput, 
-			m_visual->visual,
-			CWBorderPixel|CWColormap|CWEventMask, 
-			&xattributes
-		);
+	;
+	if (parentWindow == 0) {
+		m_window = 
+			XCreateWindow(
+				m_display, 
+				RootWindow(m_display, m_visual->screen), 
+				left,
+				top,
+				width,
+				height,
+				0, // no border.
+				m_visual->depth,
+				InputOutput, 
+				m_visual->visual,
+				CWBorderPixel|CWColormap|CWEventMask, 
+				&xattributes
+			);
+	} else {
+
+		Window root_return;
+		int x_return,y_return;
+		unsigned int w_return,h_return,border_w_return,depth_return;
+		GHOST_TInt32 screen_x, screen_y;
+		
+		XGetGeometry(m_display, parentWindow, &root_return, &x_return, &y_return,
+			&w_return, &h_return, &border_w_return, &depth_return );
+
+		left = 0;
+		top = 0;
+		width = w_return;
+		height = h_return;
+
+
+		m_window = XCreateWindow(
+				m_display, 
+				parentWindow,  // reparent against embedder 
+				left,
+				top,
+				width,
+				height,
+				0, // no border.
+				m_visual->depth,
+				InputOutput, 
+				m_visual->visual,
+				CWBorderPixel|CWColormap|CWEventMask, 
+				&xattributes
+			);
+
+		XSelectInput(m_display , parentWindow, SubstructureNotifyMask);
+		
+	}	
 	
 	
 	// Are we in fullscreen mode - then include

intern/ghost/intern/GHOST_WindowX11.h

@@ -64,6 +64,7 @@ public:
 	 * @param width		The width the window.
 	 * @param height	The height the window.
 	 * @param state		The state the window is initially opened with.
+	 * @param parentWindow 	Parent (embedder) window
 	 * @param type		The type of drawing context installed in this window.
 	 * @param stereoVisual	Stereo visual for quad buffered stereo.
 	 */
@@ -76,6 +77,7 @@ public:
 		GHOST_TUns32 width,	
 		GHOST_TUns32 height,
 		GHOST_TWindowState state,
+		const GHOST_TEmbedderWindowID parentWindow,
 		GHOST_TDrawingContextType type = GHOST_kDrawingContextTypeNone,
 		const bool stereoVisual = false
 	);

source/gameengine/GamePlayer/CMakeLists.txt

@@ -25,3 +25,7 @@
 # ***** END GPL LICENSE BLOCK *****
 
 SUBDIRS(common ghost)
+
+IF(WITH_WEBPLUGIN) 
+  SUBDIRS(xembed)
+ENDIF(WITH_WEBPLUGIN)

source/gameengine/GamePlayer/ghost/GPG_Application.cpp

@@ -129,7 +129,8 @@ GPG_Application::GPG_Application(GHOST_ISystem* system)
 	  m_blendermat(0),
 	  m_blenderglslmat(0),
 	  m_pyGlobalDictString(0),
-	  m_pyGlobalDictString_Length(0)
+	  m_pyGlobalDictString_Length(0),
+	  m_isEmbedded(false)
 {
 	fSystem = system;
 }
@@ -325,6 +326,26 @@ bool GPG_Application::startWindow(STR_String& title,
 	return success;
 }
 
+bool GPG_Application::startEmbeddedWindow(STR_String& title,
+	const GHOST_TEmbedderWindowID parentWindow, 
+	const bool stereoVisual, 
+	const int stereoMode) {
+
+	m_mainWindow = fSystem->createWindow(title, 0, 0, 0, 0, GHOST_kWindowStateNormal,
+		GHOST_kDrawingContextTypeOpenGL, stereoVisual, parentWindow);
+
+	if (!m_mainWindow) {
+		printf("error: could not create main window\n");
+		exit(-1);
+	}
+	m_isEmbedded = true;
+
+	bool success = initEngine(m_mainWindow, stereoMode);
+	if (success) {
+		success = startEngine();
+	}
+	return success;
+}
 
 
 bool GPG_Application::startFullScreen(
@@ -887,7 +908,7 @@ bool GPG_Application::handleKey(GHOST_IEvent* event, bool isDown)
 		GHOST_TEventKeyData* keyData = static_cast<GHOST_TEventKeyData*>(eventData);
 		//no need for this test
 		//if (fSystem->getFullScreen()) {
-			if (keyData->key == GHOST_kKeyEsc && !m_keyboard->m_hookesc) {
+			if (keyData->key == GHOST_kKeyEsc && !m_keyboard->m_hookesc && !m_isEmbedded) {
 				m_exitRequested = KX_EXIT_REQUEST_OUTSIDE;
 			}
 		//}

source/gameengine/GamePlayer/ghost/GPG_Application.h

@@ -62,6 +62,7 @@ public:
 			bool startWindow(STR_String& title, int windowLeft, int windowTop, int windowWidth, int windowHeight,
 			const bool stereoVisual, const int stereoMode);
 			bool startFullScreen(int width, int height, int bpp, int frequency, const bool stereoVisual, const int stereoMode);
+			bool startEmbeddedWindow(STR_String& title, const GHOST_TEmbedderWindowID parent_window, const bool stereoVisual, const int stereoMode);
 #ifdef WIN32
 			bool startScreenSaverFullScreen(int width, int height, int bpp, int frequency, const bool stereoVisual, const int stereoMode);
 			bool startScreenSaverPreview(HWND parentWindow,	const bool stereoVisual, const int stereoMode);
@@ -143,6 +144,8 @@ protected:
 	bool m_engineInitialized;
 	/** Engine state. */
 	bool m_engineRunning;
+	/** Running on embedded window */
+	bool m_isEmbedded;
 
 	/** the gameengine itself */
 	KX_KetsjiEngine* m_ketsjiengine;

source/gameengine/GamePlayer/ghost/GPG_ghost.cpp

@@ -178,6 +178,9 @@ void usage(char* program)
 	printf("                   anaglyph         (Red-Blue glasses)\n");
 	printf("                   vinterlace       (Vertical interlace for autostereo display)\n");
 	printf("                             depending on the type of stereo you want\n");
+#ifndef _WIN32
+	printf("  -i: parent windows ID \n");
+#endif
 #ifdef _WIN32
 	printf("  -c: keep console window open\n");
 #endif
@@ -297,6 +300,9 @@ int main(int argc, char** argv)
 	int fullScreenFrequency = 60;
 	char* pyGlobalDictString = NULL; /* store python dict data between blend file loading */
 	int pyGlobalDictString_Length = 0;
+	GHOST_TEmbedderWindowID parentWindow = 0;
+
+
 	
 #ifdef __linux__
 #ifdef __alpha__
@@ -457,6 +463,16 @@ int main(int argc, char** argv)
 				usage(argv[0]);
 				return 0;
 				break;
+#ifndef _WIN32
+			case 'i':
+				i++;
+				if ( (i + 1) < argc )
+					parentWindow = atoi(argv[i++]); 					
+#ifndef NDEBUG
+				printf("XWindows ID = %d\n", parentWindow);
+#endif //NDEBUG
+
+#endif  // _WIN32			
 			case 'c':
 				i++;
 				closeConsole = false;
@@ -729,7 +745,10 @@ int main(int argc, char** argv)
 								else
 #endif
 								{
-									app.startWindow(title, windowLeft, windowTop, windowWidth, windowHeight,
+																										if (parentWindow != 0)
+										app.startEmbeddedWindow(title, parentWindow, stereoWindow, stereomode);
+									else
+										app.startWindow(title, windowLeft, windowTop, windowWidth, windowHeight,
 										stereoWindow, stereomode);
 								}
 							}