From 6deb25ba0cb0286f879071d0aaa069c1776fe06f Mon Sep 17 00:00:00 2001
From: albert-github <albert.tests@gmail.com>
Date: Tue, 3 Nov 2020 14:41:18 +0100
Subject: Handling Enable / Disable menu items (doxywizard)

Only enable menu item "Reset to factory defaults" in case the current settings are different from the default settings.
Only enable "Clear recent list" and "Open recent" in case there are recent files.
---
 addon/doxywizard/doxywizard.cpp | 15 +++++++++++++--
 addon/doxywizard/doxywizard.h   |  2 ++
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/addon/doxywizard/doxywizard.cpp b/addon/doxywizard/doxywizard.cpp
index fe8e60c..dc54d09 100755
--- a/addon/doxywizard/doxywizard.cpp
+++ b/addon/doxywizard/doxywizard.cpp
@@ -69,11 +69,11 @@ MainWindow::MainWindow()
                   this, SLOT(quit()), Qt::CTRL+Qt::Key_Q);
 
   QMenu *settings = menuBar()->addMenu(tr("Settings"));
-  settings->addAction(tr("Reset to factory defaults"),
+  m_resetDefault = settings->addAction(tr("Reset to factory defaults"),
                   this,SLOT(resetToDefaults()));
   settings->addAction(tr("Use current settings at startup"),
                   this,SLOT(makeDefaults()));
-  settings->addAction(tr("Clear recent list"),
+  m_clearRecent = settings->addAction(tr("Clear recent list"),
                   this,SLOT(clearRecent()));
 
   QMenu *help = menuBar()->addMenu(tr("Help"));
@@ -379,6 +379,8 @@ void MainWindow::clearRecent()
     {
       m_settings.setValue(QString::fromLatin1("recent/config%1").arg(i++),QString::fromLatin1(""));
     }
+    m_clearRecent->setEnabled(false);
+    m_recentMenu->setEnabled(false);
     m_settings.sync();
   }
 
@@ -396,6 +398,8 @@ void MainWindow::resetToDefaults()
     m_expert->resetToDefaults();
     m_settings.setValue(QString::fromLatin1("wizard/loadsettings"), false);
     m_settings.sync();
+    m_modified = false;
+    updateTitle();
     m_wizard->refresh();
   }
 }
@@ -474,6 +478,9 @@ void MainWindow::addRecentFileList(const QString &fileName)
     m_recentFiles.removeLast();
     m_recentFiles.prepend(fileName);
   }
+  m_clearRecent->setEnabled(m_recentFiles.count()>0);
+  m_recentMenu->setEnabled(m_recentFiles.count()>0);
+  m_settings.sync();
 }
 void MainWindow::updateRecentFile(void)
 {
@@ -488,6 +495,9 @@ void MainWindow::updateRecentFile(void)
   {
     m_settings.setValue(QString::fromLatin1("recent/config%1").arg(i),QString::fromLatin1(""));
   }
+  m_clearRecent->setEnabled(m_recentFiles.count()>0);
+  m_recentMenu->setEnabled(m_recentFiles.count()>0);
+  m_settings.sync();
 }
 
 void MainWindow::openRecent(QAction *action)
@@ -685,6 +695,7 @@ void MainWindow::configChanged()
 void MainWindow::updateTitle()
 {
   QString title = tr("Doxygen GUI frontend");
+  m_resetDefault->setEnabled(m_modified);
   if (m_modified)
   {
     title+=QString::fromLatin1(" +");
diff --git a/addon/doxywizard/doxywizard.h b/addon/doxywizard/doxywizard.h
index 3fc2b65..48dc5d3 100755
--- a/addon/doxywizard/doxywizard.h
+++ b/addon/doxywizard/doxywizard.h
@@ -94,6 +94,8 @@ class MainWindow : public QMainWindow
     QSettings m_settings;
     QMenu *m_recentMenu;
     QStringList m_recentFiles;
+    QAction *m_resetDefault;
+    QAction *m_clearRecent;
     QProcess *m_runProcess;
     QTimer *m_timer;
     QTabWidget *m_tabs;
-- 
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