add time diff plugin

testbed/scribble.py

@@ -1,10 +1,24 @@
 # extract icons from dll on windows
 # https://mail.python.org/pipermail/python-win32/2009-April/009078.html
+import sys
 
-import PySide6.QtCore
+from PySide6.QtWidgets import QApplication, QWidget, QHBoxLayout, QComboBox, QMainWindow
 
-# Prints PySide6 version
-print(PySide6.__version__)
 
-# Prints the Qt version used to compile PySide6
-print(PySide6.QtCore.__version__)
+def text_changed():
+    print("text changed")
+
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+    window = QMainWindow()
+
+    query_field = QComboBox()
+    query_field.setEditable(True)
+    query_field.setInsertPolicy(QComboBox.InsertAtTop)
+    query_field.lineEdit().textChanged.connect(text_changed)
+    window.setCentralWidget(query_field)
+
+    window.show()
+
+    app.exec()