Adding warning messages when config access error.

src/core/Config.cpp

@@ -35,6 +35,16 @@ QVariant Config::get(const QString& key, const QVariant& defaultValue)
     return m_settings->value(key, defaultValue);
 }
 
+bool Config::hasAccessError()
+{
+    return m_settings->status() & QSettings::AccessError;
+}
+
+QString Config::getFileName()
+{
+    return m_settings->fileName();
+}
+
 void Config::set(const QString& key, const QVariant& value)
 {
     m_settings->setValue(key, value);
@@ -92,6 +102,10 @@ void Config::init(const QString& fileName)
 {
     m_settings.reset(new QSettings(fileName, QSettings::IniFormat));
 
+    if (hasAccessError()) {
+        qWarning("Access error with config file %s", qPrintable(fileName));
+    }
+
     m_defaults.insert("RememberLastDatabases", true);
     m_defaults.insert("RememberLastKeyFiles", true);
     m_defaults.insert("OpenPreviousDatabasesOnStartup", true);

src/core/Config.h

@@ -31,7 +31,9 @@ public:
     ~Config();
     QVariant get(const QString& key);
     QVariant get(const QString& key, const QVariant& defaultValue);
+    QString getFileName();
     void set(const QString& key, const QVariant& value);
+    bool hasAccessError();
 
     static Config* instance();
     static void createConfigFromFile(const QString& file);

src/gui/SettingsWidget.cpp

@@ -62,6 +62,11 @@ SettingsWidget::SettingsWidget(QWidget* parent)
     addPage(tr("General"), FilePath::instance()->icon("categories", "preferences-other"), m_generalWidget);
     addPage(tr("Security"), FilePath::instance()->icon("status", "security-high"), m_secWidget);
 
+    if (config()->hasAccessError()) {
+        m_generalUi->messageWidget->showMessage(
+            tr("Access error with config file ") + config()->getFileName(), MessageWidget::Error);
+    }
+
     if (!autoType()->isAvailable()) {
         m_generalUi->generalSettingsTabWidget->removeTab(1);
     }

src/gui/SettingsWidgetGeneral.ui

@@ -23,6 +23,9 @@
    <property name="bottomMargin">
     <number>0</number>
    </property>
+   <item>
+    <widget class="MessageWidget" name="messageWidget" native="true"/>
+   </item>
    <item>
     <widget class="QTabWidget" name="generalSettingsTabWidget">
      <property name="currentIndex">
@@ -368,6 +371,12 @@
    <extends>QLineEdit</extends>
    <header>autotype/ShortcutWidget.h</header>
   </customwidget>
+  <customwidget>
+   <class>MessageWidget</class>
+   <extends>QWidget</extends>
+   <header>gui/MessageWidget.h</header>
+   <container>1</container>
+  </customwidget>
  </customwidgets>
  <resources/>
  <connections/>