emit signal when list of displayed rows change

4 files changed, 17 insertions, 0 deletions

diff --git a/src/library/library.cpp b/src/library/library.cpp
index 8427ea255d..bf2c264f06 100644
--- a/src/library/library.cpp
+++ b/src/library/library.cpp
@@ -153,6 +153,8 @@ void Library::bindWidget(WLibrary* pLibraryWidget,
     connect(this, SIGNAL(switchToView(const QString&)),
             pLibraryWidget, SLOT(switchToView(const QString&)));
 
+    connect(pTrackTableView, SIGNAL(scrollValueChanged(int)),
+            this, SLOT(slotScrollValueChanged(int)));
     connect(pTrackTableView, SIGNAL(loadCoverArt(const QString&)),
             this, SLOT(slotLoadCoverArt(const QString&)));
 
@@ -238,6 +240,10 @@ void Library::slotCreateCrate() {
     m_pCrateFeature->slotCreateCrate();
 }
 
+void Library::slotScrollValueChanged(int scrollPos) {
+    emit(scrollValueChanged(scrollPos));
+}
+
 void Library::slotLoadCoverArt(const QString& location) {
     emit(loadCoverArt(location));
 }
diff --git a/src/library/library.h b/src/library/library.h
index c0c08c60bf..cdbf3553da 100644
--- a/src/library/library.h
+++ b/src/library/library.h
@@ -76,6 +76,7 @@ public:
     void slotRequestRelocateDir(QString previousDirectory, QString newDirectory);
     void onSkinLoadFinished();
     void slotLoadCoverArt(const QString& location);
+    void slotScrollValueChanged(int scrollPos);
 
   signals:
     void showTrackModel(QAbstractItemModel* model);
@@ -87,6 +88,7 @@ public:
     void searchCleared();
     void searchStarting();
     void loadCoverArt(const QString& location);
+    void scrollValueChanged(int);
 
   private:
     ConfigObject<ConfigValue>* m_pConfig;
diff --git a/src/widget/wlibrarytableview.cpp b/src/widget/wlibrarytableview.cpp
index 8a6fc0ce18..3864c80810 100644
--- a/src/widget/wlibrarytableview.cpp
+++ b/src/widget/wlibrarytableview.cpp
@@ -43,6 +43,9 @@ WLibraryTableView::WLibraryTableView(QWidget* parent,
 
     loadVScrollBarPosState();
 
+    connect(verticalScrollBar(), SIGNAL(valueChanged(int)),
+            this, SLOT(slotScrollValueChanged(int)));
+
     setTabKeyNavigation(false);
 }
 
@@ -51,6 +54,10 @@ WLibraryTableView::~WLibraryTableView() {
     saveVScrollBarPosState();
 }
 
+void WLibraryTableView::slotScrollValueChanged(int scrollPos) {
+    emit(scrollValueChanged(scrollPos));
+}
+
 void WLibraryTableView::loadVScrollBarPosState() {
     // TODO(rryan) I'm not sure I understand the value in saving the v-scrollbar
     // position across restarts of Mixxx. Now that we have different views for
diff --git a/src/widget/wlibrarytableview.h b/src/widget/wlibrarytableview.h
index a47bc6fbcd..1f4176aa17 100644
--- a/src/widget/wlibrarytableview.h
+++ b/src/widget/wlibrarytableview.h
@@ -26,10 +26,12 @@ class WLibraryTableView : public QTableView, public virtual LibraryView {
     void loadTrack(TrackPointer pTrack);
     void loadTrackToPlayer(TrackPointer pTrack, QString group, bool play = false);
     void loadCoverArt(const QString& location);
+    void scrollValueChanged(int);
 
   public slots:
     void saveVScrollBarPos();
     void restoreVScrollBarPos();
+    void slotScrollValueChanged(int scrollPos);
 
   private:
     void loadVScrollBarPosState();