From 2e839cf72bb283ada4f6e8c271fa87cbc44a68c2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ole-Andr=C3=A9=20Rodlie?= <ole.andre.rodlie@gmail.com>
Date: Sun, 25 Nov 2018 00:03:03 +0100
Subject: [PATCH] fix regressions introduced in last commit

---
 ChangeLog             |  3 ++-
 fm/src/mainwindow.cpp | 15 ++++++++++++++-
 fm/src/mainwindow.h   |  3 +++
 fm/src/mymodel.cpp    | 20 ++++++++------------
 fm/src/mymodel.h      |  5 +----
 5 files changed, 28 insertions(+), 18 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 42b2a67..5189b65 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,10 +1,11 @@
-6.1.4 23-November 2018
+6.1.4 26-November 2018
 - fix potential config corruption. Thanks to @slackuser0xae34 for the patch
 - fix segfault on thumbnail update (view may have changed since loading thumbnails)
 - don't cut file(s) if moving to same directory in bookmarks
 - verify reply from udisks (avoid crash)
 - populate view if not watched
 - fix refresh view
+- improved performance
 
 6.1.3 07-October 2018
 - update grid on paste/remove
diff --git a/fm/src/mainwindow.cpp b/fm/src/mainwindow.cpp
index 65bc2df..657e963 100644
--- a/fm/src/mainwindow.cpp
+++ b/fm/src/mainwindow.cpp
@@ -243,6 +243,7 @@ MainWindow::MainWindow()
     show();
 
     trashDir = Common::trashDir();
+    ignoreReload = false;
 
     QTimer::singleShot(0, this, SLOT(lateStart()));
 }
@@ -716,9 +717,15 @@ void MainWindow::updateDir()
 
 void MainWindow::handleReloadDir(const QString &path)
 {
+    if (ignoreReload) {
+        qDebug() << "ignore reload";
+        return;
+    }
+    ignoreReload = true;
     qDebug() << "handle reload dir" << path << modelList->getRootPath();
     if (path != modelList->getRootPath()) { return; }
     dirLoaded();
+    QTimer::singleShot(500, this, SLOT(enableReload()));
 }
 
 void MainWindow::thumbUpdate(const QString &path)
@@ -1549,7 +1556,7 @@ void MainWindow::refresh(bool modelRefresh, bool loadDir)
     qDebug() << "refresh";
     if (modelRefresh) {
         modelList->refreshItems();
-        modelList->update();
+        modelList->forceRefresh();
     }
     QModelIndex baseIndex = modelView->mapFromSource(modelList->index(pathEdit->currentText()));
     if (currentView == 2) { detailTree->setRootIndex(baseIndex); }
@@ -1559,6 +1566,12 @@ void MainWindow::refresh(bool modelRefresh, bool loadDir)
         dirLoaded();
     }
 }
+
+void MainWindow::enableReload()
+{
+    qDebug() << "enable reload";
+    ignoreReload = false;
+}
 //---------------------------------------------------------------------------
 
 /**
diff --git a/fm/src/mainwindow.h b/fm/src/mainwindow.h
index 3b06c95..dd57354 100644
--- a/fm/src/mainwindow.h
+++ b/fm/src/mainwindow.h
@@ -315,6 +315,7 @@ private slots:
     void handlePathRequested(QString path);
     void slowPathEdit();
     void refresh(bool modelRefresh = true, bool loadDir = true);
+    void enableReload();
 private:
     void createActions();
     void createActionIcons();
@@ -453,6 +454,8 @@ private slots:
     QString copyXof;
     // custom timestamp for copy of
     QString copyXofTS;
+
+    bool ignoreReload;
 };
 
 //---------------------------------------------------------------------------------
diff --git a/fm/src/mymodel.cpp b/fm/src/mymodel.cpp
index 555a961..1066958 100644
--- a/fm/src/mymodel.cpp
+++ b/fm/src/mymodel.cpp
@@ -45,7 +45,6 @@ myModel::myModel(bool realMime, MimeUtils *mimeUtils) {
   thumbs = new QHash<QString,QByteArray>;
   icons = new QCache<QString,QIcon>;
   icons->setMaxCost(500);
-  lockNotify = false;
 
   // Loads cached mime icons
   QFile fileIcons(QString("%1/file.cache").arg(Common::configDir()));
@@ -109,6 +108,13 @@ void myModel::clearIconCache() {
   QFile(QString("%1/folder.cache").arg(Common::configDir())).remove();
   QFile(QString("%1/file.cache").arg(Common::configDir())).remove();
 }
+
+void myModel::forceRefresh()
+{
+    qDebug() << "force refresh model view";
+    beginResetModel();
+    endResetModel();
+}
 //---------------------------------------------------------------------------
 
 /**
@@ -287,11 +293,6 @@ void myModel::eventTimeout()
 void myModel::notifyProcess(int eventID, QString fileName)
 {
     qDebug() << "notifyProcess" << eventID << fileName;
-    if (lockNotify) {
-        qDebug() << "ignore notify";
-        return;
-    }
-    lockNotify = true;
     QString folderChanged;
     if (watchers.contains(eventID)) {
         myModelItem *parent = rootItem->matchPath(watchers.value(eventID).split(SEPARATOR));
@@ -333,7 +334,6 @@ void myModel::notifyProcess(int eventID, QString fileName)
         qDebug() << "folder modified" << folderChanged;
         emit reloadDir(folderChanged);
     }
-    QTimer::singleShot(500, this, SLOT(unlockNotify()));
 }
 
 //---------------------------------------------------------------------------------
@@ -454,6 +454,7 @@ void myModel::refreshItems()
 {
     myModelItem *item = rootItem->matchPath(currentRootPath.split(SEPARATOR));
     if (item == NULL) { return; }
+    qDebug() << "refresh items";
     item->clearAll();
     populateItem(item);
 }
@@ -927,11 +928,6 @@ QVariant myModel::findMimeIcon(myModelItem *item) const {
   return theIcon;
 }
 
-void myModel::unlockNotify()
-{
-    qDebug() << "unlock notify";
-    lockNotify = false;
-}
 //---------------------------------------------------------------------------
 
 bool myModel::setData(const QModelIndex & index, const QVariant & value, int role)
diff --git a/fm/src/mymodel.h b/fm/src/mymodel.h
index 6c01369..4b368b9 100644
--- a/fm/src/mymodel.h
+++ b/fm/src/mymodel.h
@@ -86,6 +86,7 @@ public slots:
   void addWatcher(myModelItem* path);
   void clearCutItems();
   void clearIconCache();
+  void forceRefresh();
 signals:
   void dragDropPaste(const QMimeData *data, QString newPath,
                      Common::DragMode mode = Common::DM_UNKNOWN);
@@ -104,7 +105,6 @@ public slots:
   bool realMimeTypes;
   bool showThumbs;
   int thumbCount;
-  bool lockNotify;
 
   QPalette colors;
   QStringList cutItems;
@@ -123,9 +123,6 @@ public slots:
   QTimer eventTimer;
   int lastEventID;
   QString lastEventFilename;
-
-private slots:
-  void unlockNotify();
 };
 
 #endif // MYMODEL_H