added feature to remember playlists scroll positions (Fixes issue 728)

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@4686 90c681e8-e032-0410-971d-27865f9a5e38

2 files changed, 15 insertions, 4 deletions

diff --git a/src/plugins/Ui/skinned/listwidget.cpp b/src/plugins/Ui/skinned/listwidget.cpp
index 43c06418e..e98eef0c9 100644
--- a/src/plugins/Ui/skinned/listwidget.cpp
+++ b/src/plugins/Ui/skinned/listwidget.cpp
@@ -518,12 +518,23 @@ void ListWidget::scrollToCurrent()
 void ListWidget::setModel(PlayListModel *selected, PlayListModel *previous)
 {
     if(previous)
+    {
+        previous->setProperty("first_visible", m_first);
         disconnect(previous, 0, this, 0); //disconnect previous model
+    }
     qApp->processEvents();
     m_model = selected;
-    m_first = 0;
-    recenterCurrent(); //TODO restore position
-    updateList(PlayListModel::STRUCTURE);
+
+    if(m_model->property("first_visible").isValid())
+    {
+        m_first = m_model->property("first_visible").toInt();
+        updateList(PlayListModel::STRUCTURE);
+    }
+    else
+    {
+        m_first = 0;
+        updateList(PlayListModel::STRUCTURE | PlayListModel::CURRENT);
+    }
     connect (m_model, SIGNAL(currentVisibleRequest()), SLOT(scrollToCurrent()));
     connect (m_model, SIGNAL(listChanged(int)), SLOT(updateList(int)));
 }
diff --git a/src/plugins/Ui/skinned/playlist.cpp b/src/plugins/Ui/skinned/playlist.cpp
index b01dc9ba8..a7ef07d3d 100644
--- a/src/plugins/Ui/skinned/playlist.cpp
+++ b/src/plugins/Ui/skinned/playlist.cpp
@@ -105,7 +105,7 @@ PlayList::PlayList (PlayListManager *manager, QWidget *parent)
     connect (m_pl_control, SIGNAL (ejectClicked()), SIGNAL (eject()));
 
     connect (m_pl_manager, SIGNAL (selectedPlayListChanged(PlayListModel *, PlayListModel *)),
-             m_listWidget, SLOT(setModel(PlayListModel*)));
+             m_listWidget, SLOT(setModel(PlayListModel*, PlayListModel*)));
     m_listWidget->setModel(m_pl_manager->selectedPlayList());
 
     createMenus();