7 files changed, 45 insertions, 2 deletions
diff --git a/intern/ghost/GHOST_C-api.h b/intern/ghost/GHOST_C-api.h
index a22b6bc371c..3add5ccb60a 100644
--- a/intern/ghost/GHOST_C-api.h
+++ b/intern/ghost/GHOST_C-api.h
@@ -842,6 +842,14 @@ extern void GHOST_putClipboard(GHOST_TInt8 *buffer, int selection);
  */
 extern int GHOST_toggleConsole(int action);
 
+
+/**
+ * Confirms quitting he program when there is just one window left open
+ * in the application
+ */
+extern int GHOST_confirmQuit(GHOST_WindowHandle windowhandle);
+
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/intern/ghost/GHOST_ISystem.h b/intern/ghost/GHOST_ISystem.h
index eeee8c0477b..890917f9822 100644
--- a/intern/ghost/GHOST_ISystem.h
+++ b/intern/ghost/GHOST_ISystem.h
@@ -392,7 +392,11 @@ public:
 	 */
 	virtual void putClipboard(GHOST_TInt8 *buffer, bool selection) const = 0;
 
-	
+	/**
+	 * Confirms quitting he program when there is just one window left open
+	 * in the application
+	 */
+	virtual int confirmQuit(GHOST_IWindow * window) const = 0;
 protected:
 	/**
 	 * Initialize the system.
diff --git a/intern/ghost/intern/GHOST_C-api.cpp b/intern/ghost/intern/GHOST_C-api.cpp
index 6edfc4287ae..8442f82d886 100644
--- a/intern/ghost/intern/GHOST_C-api.cpp
+++ b/intern/ghost/intern/GHOST_C-api.cpp
@@ -865,3 +865,9 @@ int GHOST_toggleConsole(int action)
 	GHOST_ISystem* system = GHOST_ISystem::getSystem();
 	return system->toggleConsole(action);
 }
+
+
+int GHOST_confirmQuit(GHOST_WindowHandle windowhandle){
+	GHOST_ISystem* system = GHOST_ISystem::getSystem();
+	return system->confirmQuit((GHOST_IWindow*) windowhandle);
+}
diff --git a/intern/ghost/intern/GHOST_System.cpp b/intern/ghost/intern/GHOST_System.cpp
index 944ade3f22b..974f66c666a 100644
--- a/intern/ghost/intern/GHOST_System.cpp
+++ b/intern/ghost/intern/GHOST_System.cpp
@@ -366,3 +366,9 @@ GHOST_TSuccess GHOST_System::createFullScreenWindow(GHOST_Window** window, const
 	}
 	return success;
 }
+
+
+int GHOST_System::confirmQuit(GHOST_IWindow * window) const
+{
+	return 1;
+}
diff --git a/intern/ghost/intern/GHOST_System.h b/intern/ghost/intern/GHOST_System.h
index de474fe07a5..15a7cf1fdd9 100644
--- a/intern/ghost/intern/GHOST_System.h
+++ b/intern/ghost/intern/GHOST_System.h
@@ -297,6 +297,13 @@ public:
 	   */
 	  virtual void putClipboard(GHOST_TInt8 *buffer, bool selection) const = 0;
 
+	 /**
+	 * Confirms quitting he program when there is just one window left open
+	 * in the application
+	 */
+	virtual int confirmQuit(GHOST_IWindow * window) const;
+
+
 	
 protected:
 	/**
diff --git a/intern/ghost/intern/GHOST_SystemWin32.cpp b/intern/ghost/intern/GHOST_SystemWin32.cpp
index f4b39d01d9e..1ccca4bc6ba 100644
--- a/intern/ghost/intern/GHOST_SystemWin32.cpp
+++ b/intern/ghost/intern/GHOST_SystemWin32.cpp
@@ -1356,3 +1356,9 @@ int GHOST_SystemWin32::toggleConsole(int action)
 
 	return m_consoleStatus;
 }
+
+int GHOST_SystemWin32::confirmQuit(GHOST_IWindow * window) const
+{
+	return (MessageBox(window ? ((GHOST_WindowWin32*)window)->getHWND() : 0, "Some changes have not been saved.\nDo you really want to quit ?",
+			"Exit Blender", MB_OKCANCEL | MB_ICONWARNING | MB_TOPMOST) == IDOK);
+}
+\ No newline at end of file
diff --git a/intern/ghost/intern/GHOST_SystemWin32.h b/intern/ghost/intern/GHOST_SystemWin32.h
index 43387f68349..bc2044e549d 100644
--- a/intern/ghost/intern/GHOST_SystemWin32.h
+++ b/intern/ghost/intern/GHOST_SystemWin32.h
@@ -200,7 +200,13 @@ public:
 	 * @return Indication whether the event was handled. 
 	 */
 	static GHOST_TSuccess pushDragDropEvent(GHOST_TEventType eventType, GHOST_TDragnDropTypes draggedObjectType,GHOST_IWindow* window, int mouseX, int mouseY, void* data);
-	 
+	
+/**
+ * Confirms quitting he program when there is just one window left open
+ * in the application
+ */
+	virtual int confirmQuit(GHOST_IWindow * window) const;
+
 protected:
 	/**
 	 * Initializes the system.