Move to QSettings for database credentials.

fixes: #1

pdfView.py

@@ -1,10 +1,12 @@
 import math
 
 from PySide6.QtCore import QFile, QModelIndex, QPoint, Signal, Slot
+from PySide6.QtGui import QCloseEvent
 from PySide6.QtPdf import QPdfBookmarkModel, QPdfDocument
 from PySide6.QtPdfWidgets import QPdfView
 from PySide6.QtWidgets import QComboBox, QDialog, QMenuBar, QSpinBox, QWidget
 
+from lib.utils import readGeometry, writeGeometry
 from ui.pdfViewer import Ui_pdfViewer
 
 ZOOM_MULTIPLIER = math.sqrt(2.0)
@@ -81,7 +83,9 @@ class PDFViewer(QDialog, Ui_pdfViewer):
     def __init__(self, parent: QWidget | None) -> None:
         super(PDFViewer, self).__init__(parent)
         self.setupUi(self)
-
+        self.setObjectName('PDFViewer')
+        readGeometry(self)
+        print(self.objectName())
         self.zoomSelector = ZoomSelector(self)
         self.pageSelector = QSpinBox(self)
         self.document = QPdfDocument(self)
@@ -113,6 +117,11 @@ class PDFViewer(QDialog, Ui_pdfViewer):
         )
         return
 
+    def closeEvent(self, event: QCloseEvent) -> None:
+        writeGeometry(self)
+        super().closeEvent(event)
+        return
+
     @Slot(QFile)  # type: ignore
     def open(self, file: QFile) -> None:
         # assert file.exists()