Cleaned up code and added spots for todo work. Fully Working!

src/CMakeLists.txt

@@ -40,7 +40,6 @@ set(keepassx_SOURCES
     autotype/test/AutoTypeTestInterface.h
     core/AutoTypeAssociations.cpp
     core/Config.cpp
-    core/FileSystemWatcher.cpp
     core/Database.cpp
     core/DatabaseIcons.cpp
     core/Endian.cpp

src/core/FileSystemWatcher.cpp

@@ -1,75 +0,0 @@
-/*
- *  Copyright (C) 2012 Felix Geyer <debfx@fobos.de>
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 2 or (at your option)
- *  version 3 of the License.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "FileSystemWatcher.h"
-#include <QFile>
-#include <QDir>
-#include <QFileInfo>
-
-FileSystemWatcher::FileSystemWatcher (): QFileSystemWatcher ( )
-{
-    connect(this,SIGNAL( fileChanged ( const QString & )),
-            this,SLOT( fileChangedSlot ( const QString & )));
-    connect(this,SIGNAL( directoryChanged ( const QString & )),
-            this,SLOT( directoryChangedSlot ( const QString & )));
-}
-
-void FileSystemWatcher::watchFile(const QString &file)
-{
-    _file=file;
-    if (!files().isEmpty())
-        removePaths(files());
-    if (!directories().isEmpty())
-        removePaths(directories());
-    QFileInfo fileInfo(file);
-    if (fileInfo.exists())
-        addPath(file);
-    QString filePath=fileInfo.absoluteDir().path();
-    QFileInfo filePathInfo(filePath);
-    if (filePathInfo.exists())
-        addPath(filePath);
-}
-
-void FileSystemWatcher::stopWatching()
-{
-    watchFile( QString() );
-}
-
-void FileSystemWatcher::fileChangedSlot ( const QString & )
-{
-    QFileInfo fileInfo(_file);
-    if ( fileInfo.exists() )
-        fileChanged();
-}
-
-void FileSystemWatcher::directoryChangedSlot ( const QString & )
-{
-    if (!files().contains(_file))
-    {
-        QFileInfo fileInfo(_file);
-        if ( fileInfo.exists() )
-        {
-            addPath(_file);
-            fileChanged();
-        }
-    }
-}
-
-FileSystemWatcher::~FileSystemWatcher()
-{
-}
-

src/core/FileSystemWatcher.h

@@ -1,47 +0,0 @@
-/*
- *  Copyright (C) 2012 Felix Geyer <debfx@fobos.de>
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 2 or (at your option)
- *  version 3 of the License.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef FILE_SYSTEM_WATCHER_H
-#define FILE_SYSTEM_WATCHER_H
-#include <QFileSystemWatcher>
-#include <QString>
-#include <QObject>
-
-
-class FileSystemWatcher : public QFileSystemWatcher
-{
-    Q_OBJECT ;
-
-public:
-    FileSystemWatcher ();
-    void watchFile( const QString & );
-    void stopWatching();
-
-    virtual ~FileSystemWatcher();
-
-private:
-    QString _file;
-
-private Q_SLOTS:
-    void directoryChangedSlot ( const QString & );
-    void fileChangedSlot ( const QString & );
-Q_SIGNALS:
-    void fileChanged();
-};
-
-#endif
-

src/gui/DatabaseWidget.cpp

@@ -29,7 +29,6 @@
 #include <QProcess>
 #include <QHeaderView>
 #include <QApplication>
-#include <QTimer>
 #include <QtDebug>
 
 #include "autotype/AutoType.h"
@@ -157,8 +156,12 @@ DatabaseWidget::DatabaseWidget(Database* db, QWidget* parent)
     connect(m_databaseOpenMergeWidget, SIGNAL(editFinished(bool)), SLOT(mergeDatabase(bool)));
     connect(m_keepass1OpenWidget, SIGNAL(editFinished(bool)), SLOT(openDatabase(bool)));
     connect(m_unlockDatabaseWidget, SIGNAL(editFinished(bool)), SLOT(unlockDatabase(bool)));
+    connect(&m_fileWatcher, SIGNAL(fileChanged(QString)), this, SLOT(onWatchedFileChanged()));
+    connect(&m_fileWatchTimer, SIGNAL(timeout()), this, SLOT(reloadDatabaseFile()));
     connect(this, SIGNAL(currentChanged(int)), this, SLOT(emitCurrentModeChanged()));
 
+    m_fileWatchTimer.setSingleShot(true);
+
     m_searchCaseSensitive = false;
     m_searchCurrentGroup = false;
 
@@ -662,11 +665,10 @@ void DatabaseWidget::openDatabase(bool accepted)
         m_databaseOpenWidget = nullptr;
         delete m_keepass1OpenWidget;
         m_keepass1OpenWidget = nullptr;
-        if (config()->get("AutoReloadOnChange").toBool() ) 
-            m_file_watcher.watchFile( m_filename );
+        m_fileWatcher.addPath(m_filename);
     }
     else {
-        m_file_watcher.stopWatching();
+        m_fileWatcher.removePath(m_filename);
         if (m_databaseOpenWidget->database()) {
             delete m_databaseOpenWidget->database();
         }
@@ -939,29 +941,52 @@ void DatabaseWidget::updateFilename(const QString& fileName)
     m_filename = fileName;
 }
 
-void DatabaseWidget::databaseModifedExternally()
+void DatabaseWidget::onWatchedFileChanged()
 {
-    if ( database() == Q_NULLPTR )
+    if (m_fileWatchTimer.isActive())
         return;
 
-    if ( ! config()->get("AutoReloadOnChange").toBool() ) 
+    m_fileWatchTimer.start(500);
+}
+
+void DatabaseWidget::reloadDatabaseFile()
+{
+    if (m_db == nullptr)
         return;
 
+    // TODO: Also check if db is currently modified before reloading
+    if (! config()->get("AutoReloadOnChange").toBool()) {
+        // Ask if we want to reload the db
+        QMessageBox::StandardButton mb = MessageBox::question(this, tr("Reload database file"),
+                             tr("The database file has changed. Do you want to load the changes?"),
+                             QMessageBox::Yes | QMessageBox::No);
+
+        if (mb == QMessageBox::No) {
+            // TODO: taint database
+
+            // Rewatch the database file
+            m_fileWatcher.addPath(m_filename);
+            return;
+        }
+    }
+
     KeePass2Reader reader;
     QFile file(m_filename);
-    if (!file.open(QIODevice::ReadOnly)) {
-        // TODO: error message
-        return;
+    if (file.open(QIODevice::ReadOnly)) {
+        Database* db = reader.readDatabase(&file, database()->key());
+        if (db != nullptr) {
+            replaceDatabase(db);
+        }
+        else {
+            // TODO: error message for failure to read the new db
+        }
     }
-    Database* db = reader.readDatabase(&file, database()->key() );
-    if ( db )
-    {
-        Database* oldDb = m_db;
-        m_db = db;
-        m_groupView->changeDatabase(m_db);
-        Q_EMIT databaseChanged(m_db);
-        delete oldDb;
+    else {
+        // TODO: error message for failure to open db file
     }
+
+    // Rewatch the database file
+    m_fileWatcher.addPath(m_filename);
 }
 
 int DatabaseWidget::numberOfSelectedEntries() const

src/gui/DatabaseWidget.h

@@ -20,11 +20,12 @@
 
 #include <QScopedPointer>
 #include <QStackedWidget>
+#include <QFileSystemWatcher>
+#include <QTimer>
 
 #include "core/Uuid.h"
 
 #include "gui/entry/EntryModel.h"
-#include "core/FileSystemWatcher.h"
 
 class ChangeMasterKeyWidget;
 class DatabaseOpenWidget;
@@ -42,6 +43,7 @@ class QMenu;
 class QSplitter;
 class QLabel;
 class UnlockDatabaseWidget;
+class QFileSystemWatcher;
 
 class DatabaseWidget : public QStackedWidget
 {
@@ -149,10 +151,12 @@ private Q_SLOTS:
     void updateMasterKey(bool accepted);
     void openDatabase(bool accepted);
     void mergeDatabase(bool accepted);
-    void databaseModifedExternally();
     void unlockDatabase(bool accepted);
     void emitCurrentModeChanged();
     void clearLastGroup(Group* group);
+    // Database autoreload slots
+    void onWatchedFileChanged();
+    void reloadDatabaseFile();
 
 private:
     void setClipboardTextAndMinimize(const QString& text);
@@ -186,7 +190,8 @@ private:
     bool m_searchCaseSensitive;
     bool m_searchCurrentGroup;
 
-    FileSystemWatcher m_file_watcher;
+    QFileSystemWatcher m_fileWatcher;
+    QTimer m_fileWatchTimer;
 };
 
 #endif // KEEPASSX_DATABASEWIDGET_H

src/gui/SettingsWidgetGeneral.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>684</width>
-    <height>394</height>
+    <height>430</height>
    </rect>
   </property>
   <layout class="QFormLayout" name="formLayout">
@@ -103,14 +103,7 @@
    <item row="10" column="1">
     <widget class="QComboBox" name="languageComboBox"/>
    </item>
-   <item row="10" column="0">
-    <widget class="QCheckBox" name="systrayShowCheckBox">
-     <property name="text">
-      <string>Show a system tray icon</string>
-     </property>
-    </widget>
-   </item>
-   <item row="11" column="0">
+   <item row="12" column="0">
     <layout class="QHBoxLayout" name="systray1Layout">
      <property name="sizeConstraint">
       <enum>QLayout::SetMaximumSize</enum>
@@ -149,7 +142,7 @@
      </item>
     </layout>
    </item>
-   <item row="12" column="0">
+   <item row="13" column="0">
     <layout class="QHBoxLayout" name="systray2Layout">
      <property name="sizeConstraint">
       <enum>QLayout::SetMaximumSize</enum>
@@ -179,7 +172,7 @@
      </item>
     </layout>
    </item>
-   <item row="13" column="0">
+   <item row="14" column="0">
     <layout class="QHBoxLayout" name="systray3Layout">
      <property name="sizeConstraint">
       <enum>QLayout::SetMaximumSize</enum>
@@ -209,6 +202,13 @@
      </item>
     </layout>
    </item>
+   <item row="11" column="0">
+    <widget class="QCheckBox" name="systrayShowCheckBox">
+     <property name="text">
+      <string>Show a system tray icon</string>
+     </property>
+    </widget>
+   </item>
   </layout>
  </widget>
  <customwidgets>