From 165842b1fdfa195acc7e9900409192b99f1d2717 Mon Sep 17 00:00:00 2001
From: Denes Matetelki <denes.matetelki@gmail.com>
Date: Wed, 22 Jun 2011 16:29:57 +0200
Subject: [PATCH] Main window's close event is cought and handled due to
 content change

---
 mainwindow.cpp | 5 +++++
 mainwindow.h   | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/mainwindow.cpp b/mainwindow.cpp
index 0b8060e..5442d52 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -296,6 +296,11 @@ void MainWindow::about()
     msgBox.exec();
 }
 
+void MainWindow::closeEvent(QCloseEvent * event)
+{
+    m_contentChanged && !closeFile() ? event->ignore() : event->accept();
+}
+
 void MainWindow::setTitle(const QString &title)
 {
     if (title.isEmpty())
diff --git a/mainwindow.h b/mainwindow.h
index 63adf7e..319ad74 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -35,6 +35,9 @@ public slots:
     void keys();
     void about();
 
+protected:
+    void closeEvent(QCloseEvent * event);
+
 private:
 
     void setTitle(const QString &title);