MacOSX intf work

* vout_Control implemented for macosx
* position slider fixed
* p_input manage loops fixed (buttons, playstatus etc)
* float on top works again
* visual filters work
* deinterlace filter selection broken
* fullscreen button is not being updated atm
* potential deadlocks between intf thread and vout thread???
* the window title might not always be updated.

OSX devs, please test as much as you can. This was all fairly low level stuff.
We need to test it properly.

modules/gui/macosx/intf.h

@@ -52,13 +52,16 @@ struct intf_sys_t
     NSAutoreleasePool * o_pool;
     NSPort * o_sendport;
 
+    /* the current input */
+    input_thread_t * p_input;
+
     /* special actions */
     vlc_bool_t b_playing;
     vlc_bool_t b_mute;
+    int i_play_status;
 
     /* interface update */
     vlc_bool_t b_intf_update;
-    vlc_bool_t b_play_status;
     vlc_bool_t b_playlist_update;
     vlc_bool_t b_current_title_update;
     vlc_bool_t b_fullscreen_update;
@@ -245,7 +248,7 @@ struct intf_sys_t
 - (void)setupMenus;
 
 - (void)updateMessageArray;
-- (void)playStatusUpdated:(BOOL)b_pause;
+- (void)playStatusUpdated:(int) i_status;
 - (void)setSubmenusEnabled:(BOOL)b_enabled;
 - (void)manageVolumeSlider;
 - (IBAction)timesliderUpdate:(id)sender;

modules/gui/macosx/vout.m

@@ -71,8 +71,9 @@ static int  ControlVideo        ( vout_thread_t *, int, va_list );
 
 static int  CoCreateWindow      ( vout_thread_t * );
 static int  CoDestroyWindow     ( vout_thread_t * );
-static int  CoToggleFullscreen  ( vout_thread_t * );
 
+static int  CoToggleFullscreen  ( vout_thread_t * );
+static int  CoSetWindowOnTop    ( vout_thread_t *, BOOL );
 static void VLCHideMouse        ( vout_thread_t *, BOOL );
 
 static void QTScaleMatrix       ( vout_thread_t * );
@@ -582,12 +583,13 @@ static void DisplayVideo( vout_thread_t *p_vout, picture_t *p_pic )
  *****************************************************************************/
 static int ControlVideo( vout_thread_t *p_vout, int i_query, va_list args )
 {
+    vlc_bool_t b_arg;
+
     switch( i_query )
     {
-        case VOUT_SET_ZOOM:
-            return VLC_SUCCESS;
-
         case VOUT_SET_STAY_ON_TOP:
+            b_arg = va_arg( args, vlc_bool_t );
+            CoSetWindowOnTop( p_vout, b_arg );
             return VLC_SUCCESS;
 
         case VOUT_CLOSE:
@@ -798,7 +800,29 @@ static int CoToggleFullscreen( vout_thread_t *p_vout )
     }
 
     [o_pool release];
-    return( 0 );
+    return 0;
+}
+
+/*****************************************************************************
+ * CoSetWindowOnTop: Switches the "always on top" state of the video window 
+ *****************************************************************************
+ * Returns 0 on success, 1 otherwise
+ *****************************************************************************/
+static int CoSetWindowOnTop( vout_thread_t *p_vout, BOOL b_on_top )
+{
+    if( p_vout->p_sys->o_window )
+    {
+        if( b_on_top )
+        {
+            [p_vout->p_sys->o_window setLevel: NSStatusWindowLevel];
+        }
+        else
+        {
+            [p_vout->p_sys->o_window setLevel: NSNormalWindowLevel];
+        }
+        return VLC_SUCCESS;
+    }
+    return VLC_EGENERIC;
 }
 
 /*****************************************************************************
@@ -1103,13 +1127,11 @@ static void QTFreePicture( vout_thread_t *p_vout, picture_t *p_pic )
     {
         val.b_bool = VLC_FALSE;
         var_Set( p_vout, "video-on-top", val );
-        [p_vout->p_sys->o_window setLevel: NSNormalWindowLevel];
     }
     else
     {
         val.b_bool = VLC_TRUE;
         var_Set( p_vout, "video-on-top", val );
-        [p_vout->p_sys->o_window setLevel: NSStatusWindowLevel];
     }
 }