From 0176ffd25d8cb27261d20946f2629c87ecdfc8cc Mon Sep 17 00:00:00 2001
From: Christian Kamm <mail@ckamm.de>
Date: Mon, 10 Aug 2015 14:57:06 +0200
Subject: [PATCH] FolderWatcher win: Skip unneeded notifications #3353

---
 src/gui/folderwatcher_win.cpp | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/gui/folderwatcher_win.cpp b/src/gui/folderwatcher_win.cpp
index 4137ea0f4b..f815b7c465 100644
--- a/src/gui/folderwatcher_win.cpp
+++ b/src/gui/folderwatcher_win.cpp
@@ -87,8 +87,17 @@ void WatcherThread::watchChanges(size_t fileNotifyBufferSize,
                 }
                 longfile = QDir::cleanPath(longfile);
 
-                qDebug() << Q_FUNC_INFO << "Found change in" << longfile << "action:" << curEntry->Action;
-                emit changed(longfile);
+                // Skip modifications of folders: One of these is triggered for changes
+                // and new files in a folder, probably because of the folder's mtime
+                // changing. We don't need them.
+                bool skip = curEntry->Action == FILE_ACTION_MODIFIED
+                        && QFileInfo(longfile).isDir();
+
+                if (!skip) {
+                    //qDebug() << Q_FUNC_INFO << "Found change in" << longfile
+                    //         << "action:" << curEntry->Action;
+                    emit changed(longfile);
+                }
 
                 if (curEntry->NextEntryOffset == 0) {
                     break;