Add a new dialog to get database settings. Fixes: #5

Added a new dialog for database settings.
Updated dbConfig to use QSettings.

setupDialog.py

@@ -0,0 +1,67 @@
+from PySide6.QtCore import Slot, Qt
+from PySide6.QtGui import QPalette
+from PySide6.QtWidgets import QDialog, QStatusBar, QVBoxLayout, QWidget
+
+from lib.utils import openSettings
+from ui.dbSetup import Ui_setupDialog
+
+class setupDialog(QDialog,Ui_setupDialog):
+    def __init__(self, parent: QWidget | None = None):
+        super(setupDialog,self).__init__(parent)
+        self.setupUi(self)
+        self.sqliteEdit.setEnabled(False)
+
+        layout = self.layout()
+        assert isinstance(layout, QVBoxLayout)
+        self.statusBar = QStatusBar(self)
+        self.statusBar.setObjectName('statusBar')
+        where = layout.indexOf(self.buttonBox)
+        layout.insertWidget(where, self.statusBar)
+        self.pwEdit.editingFinished.connect(self.pwDone)
+        self.pwConfirmEdit.editingFinished.connect(self.pwDone)
+        return
+
+    @Slot()
+    def pwDone(self):
+        pw = self.pwEdit.text()
+        confirm = self.pwConfirmEdit.text()
+
+        if pw != confirm:
+            palette = self.statusBar.palette()
+            palette.setColor(QPalette.ColorRole.WindowText, Qt.GlobalColor.red)
+            self.statusBar.setPalette(palette)
+            self.statusBar.showMessage("Password doesn't match")
+            self.pwGood = False
+        else:
+            self.statusBar.clearMessage()
+            self.pwGood = True
+        return
+
+    @Slot(int) # type: ignore
+    def done(self, r:int) -> None:
+        if r == QDialog.DialogCode.Rejected:
+            super(setupDialog,self).done(r)
+            return
+        self.pwDone()
+        if not self.pwGood:
+            return
+        super(setupDialog,self).done(r)
+        return
+
+    @Slot()
+    def accept(self) -> None:
+        settings=openSettings('database')
+        settings.setValue('hostname', self.hostEdit.text())
+        settings.setValue('databasename', self.dbEdit.text())
+        settings.setValue('user',self.userEdit.text())
+        settings.setValue('password', self.pwEdit.text())
+        settings.setValue('port', self.portEdit.text())
+        if self.comboBox.currentIndex() == 0:
+            settings.setValue('engine', 'QMYSQL')
+        elif self.comboBox.currentIndex() == 1:
+            settings.setValue('engine', 'QSQLITE')
+        # Other types: QDB2, QIBASE, QOCI, QODBC, QPSQL, QMIMER
+        else:
+            print("Bad Database Type")
+        settings.sync()
+        return super().accept()