Adding upstream version 0.13.1.

Signed-off-by: Alf Gaida <agaida@siduction.org>

CHANGELOG

@@ -1,7 +1,15 @@
 
-libfm-qt-0.13.0 / 2018-05-21
+libfm-qt-0.13.1 / 2018-06-02
 ============================
 
+  * Bump patch version to 1
+  * It's supposedly fixed in Qt-5.11.1
+  * Disconnect old source model
+
+0.13.0 / 2018-05-21
+===================
+
+  * Release 0.13.0: Update changelog
   * Bumped minor version to 13
   * Fixed shortcut detection
   * Delete CachedFolderModel immediately on unreffing it

CMakeLists.txt

@@ -5,7 +5,7 @@ set(LIBFM_QT_LIBRARY_NAME "fm-qt" CACHE STRING "fm-qt")
 
 set(LIBFM_QT_VERSION_MAJOR 0)
 set(LIBFM_QT_VERSION_MINOR 13)
-set(LIBFM_QT_VERSION_PATCH 0)
+set(LIBFM_QT_VERSION_PATCH 1)
 set(LIBFM_QT_VERSION ${LIBFM_QT_VERSION_MAJOR}.${LIBFM_QT_VERSION_MINOR}.${LIBFM_QT_VERSION_PATCH})
 
 list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")

src/proxyfoldermodel.cpp

@@ -52,17 +52,23 @@ ProxyFolderModel::~ProxyFolderModel() {
 void ProxyFolderModel::setSourceModel(QAbstractItemModel* model) {
     if(model == sourceModel()) // avoid setting the same model twice
         return;
+    FolderModel* oldSrcModel = static_cast<FolderModel*>(sourceModel());
+#if (QT_VERSION == QT_VERSION_CHECK(5,11,0))
+    // workaround for Qt-5.11 bug https://bugreports.qt.io/browse/QTBUG-68581
+    if(oldSrcModel) {
+        disconnect(oldSrcModel, SIGNAL(destroyed()), this, SLOT(_q_sourceModelDestroyed()));
+    }
+#endif
     if(model) {
         // we only support Fm::FolderModel
         Q_ASSERT(model->inherits("Fm::FolderModel"));
 
         if(showThumbnails_ && thumbnailSize_ != 0) { // if we're showing thumbnails
-            FolderModel* oldSrcModel = static_cast<FolderModel*>(sourceModel());
-            FolderModel* newSrcModel = static_cast<FolderModel*>(model);
             if(oldSrcModel) { // we need to release cached thumbnails for the old source model
                 oldSrcModel->releaseThumbnails(thumbnailSize_);
                 disconnect(oldSrcModel, SIGNAL(thumbnailLoaded(QModelIndex, int)));
             }
+            FolderModel* newSrcModel = static_cast<FolderModel*>(model);
             if(newSrcModel) { // tell the new source model that we want thumbnails of this size
                 newSrcModel->cacheThumbnails(thumbnailSize_);
                 connect(newSrcModel, &FolderModel::thumbnailLoaded, this, &ProxyFolderModel::onThumbnailLoaded);