Fix crash in deleteFiles

This was a hard one. SmDirWatcher raced against the model. Stop and quit
the watcher before actually deleting files. That can take a while if
file operations are in progress, so show the busy cursor.

1 files changed, 11 insertions, 0 deletions

diff --git a/smdirmodel.cpp b/smdirmodel.cpp
index 32bc241..b9394d8 100644
--- a/smdirmodel.cpp
+++ b/smdirmodel.cpp
@@ -215,3 +215,14 @@ TimerHandler::~TimerHandler(){
         mTimer->start();
     }
 }
+
+WatcherHandler::WatcherHandler(SmDirWatcher *watcher) : mWatcher(watcher){
+    mWatcher->quit();
+    mWatcher->wait();
+    mWatcher->blockSignals(true);
+}
+
+WatcherHandler::~WatcherHandler(){
+    mWatcher->blockSignals(false);
+    mWatcher->start();
+}