From 3533250839d26dc102c89f04eb93ec7c0320f6f8 Mon Sep 17 00:00:00 2001
From: Siggi Langauf <siggi@users.sourceforge.net>
Date: Thu, 20 Feb 2003 18:09:09 +0000
Subject: Michael's num_buttons patch (menu detection by number of SPU buttons)

CVS patchset: 4220
CVS date: 2003/02/20 18:09:09
---
 include/xine.h.in   |  3 ++-
 src/libspudec/spu.c | 26 +++++++++++++++++++++++++-
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/include/xine.h.in b/include/xine.h.in
index 232d47429..00c95e5c7 100644
--- a/include/xine.h.in
+++ b/include/xine.h.in
@@ -17,7 +17,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
  *
- * $Id: xine.h.in,v 1.60 2003/02/12 22:22:31 miguelfreitas Exp $
+ * $Id: xine.h.in,v 1.61 2003/02/20 18:09:09 siggi Exp $
  *
  * public xine-lib (libxine) interface and documentation
  *
@@ -1151,6 +1151,7 @@ void xine_config_reset (xine_t *self);
 #define XINE_EVENT_QUIT                   7 /* last event sent when stream is disposed */
 #define XINE_EVENT_PROGRESS               8 /* index creation/network connections */
 #define XINE_EVENT_MRL_REFERENCE          9 /* demuxer->frontend: MRL reference(s) for the real stream */
+#define XINE_EVENT_UI_NUM_BUTTONS        10 /* number of buttons for interactive menus */
 
 /* input events coming from frontend */
 #define XINE_EVENT_INPUT_MOUSE_BUTTON   101
diff --git a/src/libspudec/spu.c b/src/libspudec/spu.c
index af9677133..92a02228b 100644
--- a/src/libspudec/spu.c
+++ b/src/libspudec/spu.c
@@ -35,7 +35,7 @@
  * along with this program; see the file COPYING.  If not, write to
  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  *
- * $Id: spu.c,v 1.59 2003/02/12 17:29:30 heikos Exp $
+ * $Id: spu.c,v 1.60 2003/02/20 18:09:10 siggi Exp $
  *
  */
 
@@ -171,12 +171,36 @@ void spudec_decode_nav(spudec_decoder_t *this, buf_element_t *buf) {
         }
       }
       xine_fast_memcpy(&this->pci, &pci, sizeof(pci_t));
+      if (this->button_filter) {
+	/* we possibly had buttons before, so we update the UI info */
+	xine_event_t   event;
+	xine_ui_data_t data;
+	
+	event.type = XINE_EVENT_UI_NUM_BUTTONS;
+	event.data = &data;
+	event.data_length = sizeof(data);
+	data.num_buttons = 0;
+	
+	xine_event_send(this->stream, &event);
+      }
       this->button_filter=0;
 
       break;
     case 1: 
       /* All New Highlight information for this VOBU */
       xine_fast_memcpy(&this->pci, &pci, sizeof(pci_t));
+      if (!this->button_filter) {
+	/* we possibly entered a menu, so we update the UI button info */
+	xine_event_t   event;
+	xine_ui_data_t data;
+	
+	event.type = XINE_EVENT_UI_NUM_BUTTONS;
+	event.data = &data;
+	event.data_length = sizeof(data);
+	data.num_buttons = pci.hli.hl_gi.btn_ns;
+	
+	xine_event_send(this->stream, &event);
+      }
       this->button_filter=1;
       /*******************************
        * We should do something about fosl_btnn, but
-- 
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