Fix 'go to page' functionality. This resolves issue #5

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

zlibrary/core/src/ui/application-desktop/ZLTQtApplicationWindow.cpp

@@ -240,11 +240,10 @@ ZLTQtApplicationWindow::LineEditParameter::LineEditParameter(TQToolBar *toolbar,
 
 void ZLTQtApplicationWindow::LineEditParameter::keyReleaseEvent(TQKeyEvent *event) {
 	event->accept();
-	const std::string key = ZLTQtKeyUtil::keyName(event);
-	if (key == "<Return>") {
+	if (event->key() == TQt::Key_Enter || event->key() == TQt::Key_Return) {
 		myWindow.application().doAction(myActionId);
 		myWindow.setFocusToMainWidget();
-	} else if (key == "<Esc>") {
+	} else if (event->key() == TQt::Key_Escape) {
 		restoreOldValue();
 		myWindow.setFocusToMainWidget();
 	}