Speed up playqueue searches.

BUG: 209

models/playqueuemodel.cpp

@@ -107,7 +107,7 @@ QString PlayQueueModel::headerText(int col)
 }
 
 PlayQueueModel::PlayQueueModel(QObject *parent)
-    : ActionModel(parent)
+    : QAbstractItemModel(parent)
     , currentSongId(-1)
     , currentSongRowNum(-1)
     , mpdState(MPDState_Inactive)

models/playqueuemodel.h

@@ -30,14 +30,14 @@
 #include <QList>
 #include <QStringList>
 #include <QSet>
+#include <QAbstractItemModel>
 #include "song.h"
 #include "mpdstatus.h"
 #include "config.h"
-#include "actionmodel.h"
 
 class StreamFetcher;
 
-class PlayQueueModel : public ActionModel
+class PlayQueueModel : public QAbstractItemModel
 {
     Q_OBJECT
 
@@ -95,7 +95,6 @@ public:
     bool isGrouped() const { return grouped; }
     void setGrouped(bool g);
     void update(const QList<Song> &songList);
-    Action * getAction(const QModelIndex &, int) { return 0; }
     void setStopAfterTrack(qint32 track);
     void clearStopAfterTrack() { setStopAfterTrack(-1); }
 

models/playqueueproxymodel.cpp

@@ -41,6 +41,11 @@ bool PlayQueueProxyModel::filterAcceptsRow(int sourceRow, const QModelIndex &sou
         return true;
     }
 
+    // Why is this sometimes called with a parent row???
+    if (-1!=sourceParent.row()) {
+        return false;
+    }
+
     const QModelIndex index = sourceModel()->index(sourceRow, 0, sourceParent);
     return matchesFilter(*static_cast<Song *>(index.internalPointer()));
 }