Qt4: restore search in SD

Close #5545
(cherry picked from commit d1902eb8d655d269f342d0562d0e63c1b0ab136d)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/gui/qt4/components/playlist/selector.cpp

@@ -278,7 +278,14 @@ void PLSelector::setSource( QTreeWidgetItem *item )
         QString qs = item->data( 0, NAME_ROLE ).toString();
         sd_loaded = playlist_IsServicesDiscoveryLoaded( THEPL, qtu( qs ) );
         if( !sd_loaded )
+        {
             playlist_ServicesDiscoveryAdd( THEPL, qtu( qs ) );
+
+            services_discovery_descriptor_t *p_test = new services_discovery_descriptor_t;
+            playlist_ServicesDiscoveryControl( THEPL, qtu( qs ), SD_CMD_DESCRIPTOR, p_test );
+            if( p_test->i_capabilities & SD_CAP_SEARCH )
+                item->setData( 0, CAP_SEARCH_ROLE, true );
+        }
     }
 #ifdef MEDIA_LIBRARY
     else if( i_type == SQL_ML_TYPE )
@@ -528,10 +535,11 @@ void PLSelector::drawBranches ( QPainter * painter, const QRect & rect, const QM
                             QStyle::PE_IndicatorArrowRight, &option, painter );
 }
 
-void PLSelector::getCurrentSelectedItem( int* type, QString *string)
+void PLSelector::getCurrentItemInfos( int* type, bool* can_delay_search, QString *string)
 {
     *type = currentItem()->data( 0, TYPE_ROLE ).toInt();
     *string = currentItem()->data( 0, NAME_ROLE ).toString();
+    *can_delay_search = currentItem()->data( 0, CAP_SEARCH_ROLE ).toBool();
 }
 
 int PLSelector::getCurrentItemCategory()

modules/gui/qt4/components/playlist/selector.hpp

@@ -60,7 +60,8 @@ enum {
     PL_ITEM_ROLE,        //playlist_item_t*
     PL_ITEM_ID_ROLE,     //playlist_item_t->i_id
     IN_ITEM_ROLE,        //input_item_t->i_id
-    SPECIAL_ROLE         //SpecialData
+    SPECIAL_ROLE,        //SpecialData
+    CAP_SEARCH_ROLE,
 };
 
 enum ItemAction {
@@ -116,7 +117,7 @@ public:
     PLSelector( QWidget *p, intf_thread_t *_p_intf );
     virtual ~PLSelector();
 
-    void getCurrentSelectedItem( int *type, QString *name );
+    void getCurrentItemInfos( int *type, bool *delayedSearch, QString *name );
     int getCurrentItemCategory();
 
 protected:

modules/gui/qt4/components/playlist/standardpanel.cpp

@@ -151,8 +151,10 @@ void StandardPLPanel::search( const QString& searchText )
 {
     int type;
     QString name;
-    p_selector->getCurrentSelectedItem( &type, &name );
-    if( type != SD_TYPE )
+    bool can_search;
+    p_selector->getCurrentItemInfos( &type, &can_search, &name );
+
+    if( type != SD_TYPE || !can_search )
     {
         bool flat = ( currentView == iconView ||
                       currentView == listView ||
@@ -167,10 +169,12 @@ void StandardPLPanel::searchDelayed( const QString& searchText )
 {
     int type;
     QString name;
-    p_selector->getCurrentSelectedItem( &type, &name );
+    bool can_search;
+    p_selector->getCurrentItemInfos( &type, &can_search, &name );
 
-    if( type == SD_TYPE )
+    if( type == SD_TYPE && can_search )
     {
+        msg_Err( p_intf, "SEARCHING DELAYED");
         if( !name.isEmpty() && !searchText.isEmpty() )
             playlist_ServicesDiscoveryControl( THEPL, qtu( name ), SD_CMD_SEARCH,
                                               qtu( searchText ) );