Added license to a number of files

More work on Desktop and DesktopClasses
minor API tweak to DisplayDriver
Added conditional compilation stuff to AppServer.cpp for debugging purposes
TokenHandler now uses BLockers instead of semaphores for locking
Can now run the server and see something


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@2717 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/servers/app/server/DisplayDriver.cpp

@@ -608,6 +608,15 @@ uint16 DisplayDriver::GetWidth(void)
 	return _buffer_width;
 }
 
+/*!
+	\brief Returns the number of bytes used in each row of the frame buffer
+	\return The number of bytes used in each row of the frame buffer
+*/
+uint32 DisplayDriver::GetBytesPerRow(void)
+{
+	return _bytes_per_row;
+}
+
 /*!
 	\brief Returns the screen mode constant in use by the driver
 	\return Current screen mode
@@ -699,6 +708,19 @@ void DisplayDriver::_SetMode(int32 m)
 	_buffer_mode=m;
 }
 
+/*!
+	\brief Internal row size-setting function
+	\param bpr Number of bytes per row in the frame buffer
+
+	_SetBytesPerRow must be called from within any implementation of SetMode. Note that this
+	does not actually change the size of the row; it just updates the state variable used
+	to talk with the outside world.
+*/
+void DisplayDriver::_SetBytesPerRow(uint32 bpr)
+{
+	_bytes_per_row=bpr;
+}
+
 /*!
 	\brief Obtains the current cursor for the driver.
 	\return Pointer to the current cursor object.