Issue #34: Reset to Factory Settings option

Pdf4QtViewer/pdfprogramcontroller.cpp

@@ -325,6 +325,7 @@ PDFProgramController::PDFProgramController(QObject* parent) :
     m_annotationManager(nullptr),
     m_formManager(nullptr),
     m_isBusy(false),
+    m_isFactorySettingsBeingRestored(false),
     m_progress(nullptr)
 {
 
@@ -494,6 +495,10 @@ void PDFProgramController::initialize(Features features,
     {
         connect(action, &QAction::triggered, this, &PDFProgramController::onActionOptionsTriggered);
     }
+    if (QAction* action = m_actionManager->getAction(PDFActionManager::ResetToFactorySettings))
+    {
+        connect(action, &QAction::triggered, this, &PDFProgramController::resetSettings);
+    }
     if (QAction* action = m_actionManager->getAction(PDFActionManager::CertificateManager))
     {
         connect(action, &QAction::triggered, this, &PDFProgramController::onActionCertificateManagerTriggered);
@@ -1059,6 +1064,11 @@ void PDFProgramController::saveDocument(const QString& fileName)
     }
 }
 
+bool PDFProgramController::isFactorySettingsBeingRestored() const
+{
+    return m_isFactorySettingsBeingRestored;
+}
+
 bool PDFProgramController::getIsBusy() const
 {
     return m_isBusy;
@@ -1471,6 +1481,7 @@ void PDFProgramController::updateActionsAvailability()
     m_actionManager->setEnabled(PDFActionManager::Close, hasValidDocument);
     m_actionManager->setEnabled(PDFActionManager::Quit, !isBusy);
     m_actionManager->setEnabled(PDFActionManager::Options, !isBusy);
+    m_actionManager->setEnabled(PDFActionManager::ResetToFactorySettings, !isBusy);
     m_actionManager->setEnabled(PDFActionManager::About, !isBusy);
     m_actionManager->setEnabled(PDFActionManager::FitPage, hasValidDocument);
     m_actionManager->setEnabled(PDFActionManager::FitWidth, hasValidDocument);
@@ -1882,6 +1893,8 @@ void PDFProgramController::loadPlugins()
 
 void PDFProgramController::writeSettings()
 {
+    Q_ASSERT(!m_isFactorySettingsBeingRestored);
+
     QSettings settings(QSettings::IniFormat, QSettings::UserScope, QCoreApplication::organizationName(), QCoreApplication::applicationName());
     settings.setValue("geometry", m_mainWindow->saveGeometry());
     settings.setValue("windowState", m_mainWindow->saveState());
@@ -1916,6 +1929,26 @@ void PDFProgramController::writeSettings()
     m_certificateStore.saveDefaultUserCertificates();
 }
 
+void PDFProgramController::resetSettings()
+{
+    if (!canClose())
+    {
+        return;
+    }
+
+    if (QMessageBox::question(m_mainWindow, tr("Reset Ssettings"), tr("Do you wish to restore the default factory settings of the program? All settings changed by the user will be deleted. Application will be closed."), QMessageBox::Yes, QMessageBox::No) == QMessageBox::Yes)
+    {
+        closeDocument();
+
+        QSettings settings(QSettings::IniFormat, QSettings::UserScope, QCoreApplication::organizationName(), QCoreApplication::applicationName());
+        settings.clear();
+
+        QMessageBox::information(m_mainWindow, tr("Reset Settings"), tr("Default factory settings were restored. Application will be now closed."));
+        m_isFactorySettingsBeingRestored = true;
+        m_mainWindow->close();
+    }
+}
+
 void PDFProgramController::onActionOptionsTriggered()
 {
     PDFViewerSettingsDialog::OtherSettings otherSettings;

Pdf4QtViewer/pdfprogramcontroller.h

@@ -98,6 +98,7 @@ public:
         SaveAs,
         Properties,
         Options,
+        ResetToFactorySettings,
         CertificateManager,
         GetSource,
         About,
@@ -272,6 +273,7 @@ public:
                     pdf::PDFProgress* progress);
     void finishInitialization();
     void writeSettings();
+    void resetSettings();
 
     void performPrint();
     void performSave();
@@ -290,6 +292,8 @@ public:
     virtual QMainWindow* getMainWindow() const override;
     virtual VoiceSettings getVoiceSettings() const override;
 
+    bool isFactorySettingsBeingRestored() const;
+
 signals:
     void queryPasswordRequest(QString* password, bool* ok);
 
@@ -402,6 +406,7 @@ private:
     std::vector<pdf::PDFSignatureVerificationResult> m_signatures;
 
     bool m_isBusy;
+    bool m_isFactorySettingsBeingRestored;
     pdf::PDFProgress* m_progress;
 
     QStringList m_enabledPlugins;

Pdf4QtViewer/pdfviewermainwindow.cpp

@@ -45,7 +45,6 @@
 #include "pdfwidgetutils.h"
 
 #include <QPainter>
-#include <QSettings>
 #include <QFileDialog>
 #include <QMessageBox>
 #include <QCloseEvent>
@@ -155,6 +154,7 @@ PDFViewerMainWindow::PDFViewerMainWindow(QWidget* parent) :
     m_actionManager->setAction(PDFActionManager::RenderOptionShowTextLines, ui->actionShow_Text_Lines);
     m_actionManager->setAction(PDFActionManager::Properties, ui->actionProperties);
     m_actionManager->setAction(PDFActionManager::Options, ui->actionOptions);
+    m_actionManager->setAction(PDFActionManager::ResetToFactorySettings, ui->actionResetToFactorySettings);
     m_actionManager->setAction(PDFActionManager::CertificateManager, ui->actionCertificateManager);
     m_actionManager->setAction(PDFActionManager::GetSource, ui->actionGetSource);
     m_actionManager->setAction(PDFActionManager::About, ui->actionAbout);
@@ -499,7 +499,11 @@ void PDFViewerMainWindow::closeEvent(QCloseEvent* event)
     }
     else
     {
-        m_programController->writeSettings();
+        if (!m_programController->isFactorySettingsBeingRestored())
+        {
+            m_programController->writeSettings();
+        }
+
         m_programController->closeDocument();
         event->accept();
     }

Pdf4QtViewer/pdfviewermainwindow.ui

@@ -20,7 +20,7 @@
      <x>0</x>
      <y>0</y>
      <width>770</width>
-     <height>21</height>
+     <height>37</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">
@@ -103,6 +103,8 @@
     <addaction name="actionRendering_Errors"/>
     <addaction name="separator"/>
     <addaction name="actionOptions"/>
+    <addaction name="actionResetToFactorySettings"/>
+    <addaction name="separator"/>
     <addaction name="actionCertificateManager"/>
    </widget>
    <widget class="QMenu" name="menuHelp">
@@ -343,6 +345,11 @@
     <string>Ctrl+K</string>
    </property>
   </action>
+  <action name="actionResetToFactorySettings">
+   <property name="text">
+    <string>Reset to Factory Settings</string>
+   </property>
+  </action>
   <action name="actionZoom_In">
    <property name="icon">
     <iconset resource="pdf4qtviewer.qrc">

Pdf4QtViewer/pdfviewermainwindowlite.cpp

@@ -123,6 +123,7 @@ PDFViewerMainWindowLite::PDFViewerMainWindowLite(QWidget* parent) :
     m_actionManager->setAction(PDFActionManager::RenderOptionInvertColors, ui->actionInvertColors);
     m_actionManager->setAction(PDFActionManager::Properties, ui->actionProperties);
     m_actionManager->setAction(PDFActionManager::Options, ui->actionOptions);
+    m_actionManager->setAction(PDFActionManager::ResetToFactorySettings, ui->actionResetToFactorySettings);
     m_actionManager->setAction(PDFActionManager::CertificateManager, ui->actionCertificateManager);
     m_actionManager->setAction(PDFActionManager::GetSource, ui->actionGetSource);
     m_actionManager->setAction(PDFActionManager::About, ui->actionAbout);
@@ -400,7 +401,11 @@ void PDFViewerMainWindowLite::closeEvent(QCloseEvent* event)
     }
     else
     {
-        m_programController->writeSettings();
+        if (!m_programController->isFactorySettingsBeingRestored())
+        {
+            m_programController->writeSettings();
+        }
+
         m_programController->closeDocument();
         event->accept();
     }

Pdf4QtViewer/pdfviewermainwindowlite.ui

@@ -20,7 +20,7 @@
      <x>0</x>
      <y>0</y>
      <width>770</width>
-     <height>21</height>
+     <height>37</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">
@@ -97,6 +97,8 @@
     <addaction name="actionRendering_Errors"/>
     <addaction name="separator"/>
     <addaction name="actionOptions"/>
+    <addaction name="actionResetToFactorySettings"/>
+    <addaction name="separator"/>
     <addaction name="actionCertificateManager"/>
    </widget>
    <widget class="QMenu" name="menuHelp">
@@ -263,6 +265,11 @@
     <string>Ctrl+K</string>
    </property>
   </action>
+  <action name="actionResetToFactorySettings">
+   <property name="text">
+    <string>Reset to Factory Settings</string>
+   </property>
+  </action>
   <action name="actionZoom_In">
    <property name="icon">
     <iconset resource="pdf4qtviewer.qrc">