+
+osd_button_t *__osd_ButtonFind( vlc_object_t *p_this, int i_x, int i_y,
+ int i_window_height, int i_window_width,
+ int i_scale_width, int i_scale_height )
+{
+ osd_menu_t *p_osd;
+ osd_button_t *p_button, *p_start, *p_end;
+ vlc_value_t lockval;
+
+ p_osd = vlc_object_find( p_this, VLC_OBJECT_OSDMENU, FIND_ANYWHERE );
+ if( p_osd == NULL )
+ {
+ msg_Err( p_this, "OSD menu button find failed" );
+ return NULL;
+ }
+
+ if( osd_isVisible( p_osd ) == VLC_FALSE )
+ {
+ vlc_object_release( (vlc_object_t*) p_osd );
+ return NULL;
+ }
+
+ var_Get( p_this->p_libvlc, "osd_mutex", &lockval );
+ vlc_mutex_lock( lockval.p_address );
+
+ p_button = p_osd->p_button;
+ for( ; p_button != NULL; p_button = p_button->p_next )
+ {
+ int i_source_video_width = ( i_window_width * 1000 ) / i_scale_width;
+ int i_source_video_height = ( i_window_height * 1000 ) / i_scale_height;
+ int i_y_offset = p_button->i_y;
+ int i_x_offset = p_button->i_x;
+ int i_width = p_button->i_width;
+ int i_height = p_button->i_height;
+
+ if( p_osd->i_position > 0 )
+ {
+ int i_inv_scale_y = i_source_video_height;
+ int i_inv_scale_x = i_source_video_width;
+ int pi_x = 0;
+
+ if( p_osd->i_position & SUBPICTURE_ALIGN_BOTTOM )
+ {
+ i_y_offset = i_window_height - p_button->i_height -
+ (p_osd->i_y + p_button->i_y) * i_inv_scale_y / 1000;
+ }
+ else if ( !(p_osd->i_position & SUBPICTURE_ALIGN_TOP) )
+ {
+ i_y_offset = i_window_height / 2 - p_button->i_height / 2;
+ }
+
+ if( p_osd->i_position & SUBPICTURE_ALIGN_RIGHT )
+ {
+ i_x_offset = i_window_width - p_button->i_width -
+ (pi_x + p_button->i_x)
+ * i_inv_scale_x / 1000;
+ }
+ else if ( !(p_osd->i_position & SUBPICTURE_ALIGN_LEFT) )
+ {
+ i_x_offset = i_window_width / 2 - p_button->i_width / 2;
+ }
+
+ i_width = i_window_width - p_button->i_width - i_inv_scale_x / 1000;
+ i_height = i_window_height - p_button->i_height - i_inv_scale_y / 1000;
+ }
+
+ // TODO: write for Up / Down case too.
+ // TODO: handle absolute positioning case
+ if( ( i_x >= i_x_offset ) && ( i_x <= i_x_offset + i_width ) &&
+ ( i_y >= i_y_offset ) && ( i_y <= i_y_offset + i_height ) )
+ {
+ vlc_object_release( (vlc_object_t*) p_osd );
+ vlc_mutex_unlock( lockval.p_address );
+ return p_button;
+ }
+ }
+
+ vlc_object_release( (vlc_object_t*) p_osd );
+ vlc_mutex_unlock( lockval.p_address );
+ return NULL;
+}
+
+/**
+ * Select the button provided as the new active button
+ */
+void __osd_ButtonSelect( vlc_object_t *p_this, osd_button_t *p_button )
+{
+ osd_menu_t *p_osd;
+ osd_button_t *p_old;
+ vlc_value_t lockval;
+
+ p_osd = vlc_object_find( p_this, VLC_OBJECT_OSDMENU, FIND_ANYWHERE );
+ if( p_osd == NULL )
+ {
+ msg_Err( p_this, "OSD menu button select failed" );
+ return;
+ }
+
+ if( osd_isVisible( p_osd ) == VLC_FALSE )
+ {
+ vlc_object_release( (vlc_object_t*) p_osd );
+ return;
+ }
+
+ var_Get( p_this->p_libvlc, "osd_mutex", &lockval );
+ vlc_mutex_lock( lockval.p_address );
+
+ p_old = p_osd->p_state->p_visible;
+ if( p_old )
+ {
+ if( !p_old->b_range )
+ p_old->p_current_state = osd_StateChange( p_old, OSD_BUTTON_UNSELECT );
+ p_osd->p_state->p_visible = p_button;
+
+ if( !p_osd->p_state->p_visible->b_range )
+ p_osd->p_state->p_visible->p_current_state =
+ osd_StateChange( p_osd->p_state->p_visible, OSD_BUTTON_SELECT );
+
+ osd_UpdateState( p_osd->p_state,
+ p_osd->p_state->p_visible->i_x, p_osd->p_state->p_visible->i_y,
+ p_osd->p_state->p_visible->p_current_state->i_width,
+ p_osd->p_state->p_visible->p_current_state->i_height,
+ p_osd->p_state->p_visible->p_current_state->p_pic );
+ osd_SetMenuUpdate( p_osd, VLC_TRUE );
+ }
+#if defined(OSD_MENU_DEBUG)
+ msg_Dbg( p_osd, "button selected is [button %s]", p_osd->p_state->p_visible->psz_action );
+#endif
+
+ vlc_object_release( (vlc_object_t*) p_osd );
+ vlc_mutex_unlock( lockval.p_address );
+}