fix some memory leaks

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@3012 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/elementscollectioncache.cpp

@@ -65,6 +65,10 @@ ElementsCollectionCache::ElementsCollectionCache(const QString &database_path, Q
 	Destructor
 */
 ElementsCollectionCache::~ElementsCollectionCache() {
+	delete select_name_;
+	delete select_pixmap_;
+	delete insert_name_;
+	delete insert_pixmap_;
 	cache_db_.close();
 }
 

sources/qetapp.cpp

@@ -433,14 +433,18 @@ TitleBlockTemplatesCollection *QETApp::titleBlockTemplatesCollection(const QStri
 */
 QString QETApp::userName() {
 	QProcess * process = new QProcess();
+	QString str;
 #ifndef Q_OS_WIN32
 	// return(QString(getenv("USER")));
-	return((process->processEnvironment()).value("USER", "UNKNOWN"));
+	str = (process->processEnvironment()).value("USER", "UNKNOWN");
+	delete process;
+	return(str);
 #else
 	// return(QString(getenv("USERNAME")));
-	return((process->processEnvironment()).value("USERNAME", "UNKNOWN"));
-#endif
+	str = (process->processEnvironment()).value("USERNAME", "UNKNOWN");
 	delete process;
+	return(str);
+#endif
 }
 
 /**

sources/qetgraphicsitem/customelement.cpp

@@ -210,6 +210,11 @@ bool CustomElement::buildFromXml(const QDomElement &xml_def_elmt, int *state) {
 	Destructeur
 */
 CustomElement::~CustomElement() {
+	qDeleteAll (list_lines_);
+	qDeleteAll (list_rectangles_);
+	qDeleteAll (list_circles_);
+	qDeleteAll (list_polygons_);
+	qDeleteAll (list_arcs_);
 }
 
 /// @return la liste des bornes de cet element

sources/recentfiles.cpp

@@ -168,7 +168,7 @@ void RecentFiles::buildMenu() {
 	// remplit le menu
 	foreach (QString filepath, list_) {
 		// creee une nouvelle action pour le fichier
-		QAction *action = new QAction(filepath, 0);
+		QAction *action = new QAction(filepath, this);
 		if (!files_icon_.isNull()) {
 			action -> setIcon(files_icon_);
 		}