I've added "back" in action()

diff --git a/mainwindow.cpp b/mainwindow.cpp
index 021867ca38f9b326427b0b8e1e92221949ac7c30..e68e442f9c13b678c818ee29e226d9c09b0ab295 100644 (file)
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -12,6 +12,7 @@
 #include <QFileDialog>
 #include <QScrollArea>
 
+
 MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
 {
     qDebug()<<"begin of MainWindows";
@@ -152,7 +153,12 @@ void MainWindow::action(const QString &a){
     else if(b[0]=="new"){
         entry(c);
     }
-    else if(a=="nothing")return;
+    else if(b[0]=="back"){
+        if(way.size()>2){
+            way.removeLast();
+            getButtons(way.takeLast());
+        }
+    }
     else if(b[0]=="setfile"){
         conf->setValue(b[1], QFileDialog::getSaveFileName(this, QString("get file"), conf->value(b[1]).toString()));
     }