use scroll area for the message box class

src/asammdf/gui/dialogs/messagebox.py

@@ -5,6 +5,7 @@
 
 class MessageBox(QtWidgets.QMessageBox):
     def __init__(self, *args, **kwargs):
+
         self.timeout = kwargs.pop("timeout", DEFAULT_TIMEOUT)
         informative_text = kwargs.pop("informative_text", "")
         detailed_text = kwargs.pop("detailed_text", "")
@@ -14,6 +15,27 @@ def __init__(self, *args, **kwargs):
 
         super().__init__(*args, **kwargs)
 
+        self.label = label = self.findChild(QtWidgets.QLabel, "qt_msgbox_label")
+        idx = self.layout().indexOf(label)
+        position = self.layout().getItemPosition(idx)
+        self.layout().removeWidget(label)
+
+        layout = QtWidgets.QVBoxLayout()
+
+        scroll_contents = QtWidgets.QWidget()
+        scroll_contents.setLayout(layout)
+
+        self.scroll = scroll = QtWidgets.QScrollArea()
+        scroll.setMinimumWidth(400)
+        scroll.setMinimumHeight(300)
+        scroll.setWidgetResizable(True)
+        scroll.setWidget(scroll_contents)
+        scroll.setFrameShape(QtWidgets.QFrame.Shape.NoFrame)
+
+        layout.addWidget(label)
+
+        self.layout().addWidget(scroll, *position)
+
         self.original_text = self.text()
         if markdown:
             self.setTextFormat(QtCore.Qt.TextFormat.MarkdownText)
@@ -76,6 +98,16 @@ def keyPressEvent(self, event):
         else:
             super().keyPressEvent(event)
 
+    def setText(self, text):
+        super().setText(text)
+        pscreen = QtWidgets.QApplication.primaryScreen()
+
+        geometry = pscreen.availableGeometry()
+        self.label.adjustSize()
+
+        self.scroll.setMinimumWidth(min(self.label.width() + 20, int(geometry.width() * 0.7)))
+        self.scroll.setMinimumHeight(min(self.label.height() + 20, int(geometry.height() * 0.7)))
+
     def tick(self):
         self.timeout -= 1
         default = self.defaultButton()
@@ -148,6 +180,7 @@ def about(
             informative_text=informative_text,
             detailed_text=detailed_text,
         )
+
         return msg.exec()
 
     @classmethod