Pamhyr: Add waiting dialog at file loading.

src/View/MainWindow.py

@@ -49,6 +49,7 @@ from View.Tools.ListedSubWindow import ListedSubWindow
 from View.DummyWindow import DummyWindow
 
 from View.Translate import MainTranslate
+from View.WaitingDialog import WaitingDialog
 
 from View.MainWindowTabInfo import WidgetInfo
 from View.MainWindowTabChecker import WidgetChecker
@@ -931,7 +932,19 @@ class ApplicationWindow(QMainWindow, ListedSubWindow, WindowToolKit):
 
             if dialog.exec_():
                 file_name = dialog.selectedFiles()
-                self.open_study(file_name[0])
+
+                def fn():
+                    self._tmp_study = Study.open(file_name[0])
+
+                dlg = WaitingDialog(
+                    payload_fn=fn,
+                    title="waiting_load",
+                    parent=self
+                )
+                dlg.exec_()
+
+                self.set_model(self._tmp_study)
+                self.set_title()
 
     def open_new_study(self):
         """Open dialog to set new study
@@ -1260,7 +1273,11 @@ class ApplicationWindow(QMainWindow, ListedSubWindow, WindowToolKit):
                     name=name
                 )
 
-        dlg = ReadingResultsDialog(reading_fn=reading_fn, parent=self)
+        dlg = WaitingDialog(
+            payload_fn=reading_fn,
+            title="waiting_result",
+            parent=self
+        )
         dlg.exec_()
         results = self._tmp_results