Add DialogManager

src/dialogs/DialogManager.h

@@ -0,0 +1,39 @@
+//
+// Created by Krad on 2022/7/19.
+//
+
+#ifndef GUI_DIALOGMANAGER_H
+#define GUI_DIALOGMANAGER_H
+
+#include <QObject>
+#include <QStack>
+
+class QWidget;
+class QDialog;
+class GUIMessageDialog;
+
+class DialogManager:public QObject {
+public:
+    static DialogManager *Default() {
+        static DialogManager manager;
+        return &manager;
+    }
+
+    DialogManager() = default;
+
+    ~DialogManager() override = default;
+
+    void init();
+    QWidget* getTopWidget();
+    void raiseDeviceError(QObject* parent, QObject* msg);
+    void invokeOperationStart(QObject* parent, QObject* msg);
+    void invokeOperationProgress(QObject* parent, QObject* msg);
+    void invokeOperationPending(QObject* parent, QObject* msg);
+    void invokeOperationEnd(QObject* parent, QObject* msg);
+private:
+    QDialog* mDialog = nullptr;
+    GUIMessageDialog* mMessageDialog = nullptr;
+    QStack<QDialog*> topWidgetStore;
+};
+
+#endif //GUI_DIALOGMANAGER_H