feat: add scenario conflict resolver

mainwindow.h

@@ -4,6 +4,7 @@
 #include <QMainWindow>
 #include <QDebug>
 #include <QHBoxLayout>
+#include <QPushButton>
 
 #include <Widgets/commonbuttongroupwidget.h>
 #include <Widgets/updatenotifywidget.h>
@@ -43,14 +44,13 @@ public:
     void setNeedUpdateState(const QString &notifyText);
     void setLastVersionState();
     void showConnectionEmpty();
-    void showOfflineButton(bool flag);
-    void setStartOfflineButton(bool isAvailable);
     void setStartState();
     void serverNotifyShow(QString text, int durationMS = 3000);
     void showError(ErrorsEnum errorNum);
-
     QHBoxLayout *getDisplayLayout() const;
     void serverBlockedState();
+    QPushButton *getStartOfflineButton() const;
+
 public slots:
     void slotShowUpdateInfo();
     void slotConnectionState(bool flag);
@@ -66,6 +66,8 @@ signals:
     void sigExit();
     void sigTryLogin();
     void sigStartOffline();
+    bool sigAppAvailable();
+
 
 private slots:
     void on_settingsButton_clicked();
@@ -84,11 +86,13 @@ private:
     QPixmap background;
     QRect bottomRightPosition;
     QRect offlinePosition;
+    QPushButton startOfflineButton;
     void bindClient();
     void bindConnection();
     void setUpUi();
 
     void paintEvent(QPaintEvent *event);
+    void checkApp();
 protected:
     virtual void keyPressEvent(QKeyEvent *event);
 };