Prepare for installation and source code release

yms/gtkutils.py

@@ -31,3 +31,41 @@ def init_named_controls(window, builder):
             continue
         var = getattr(window, ctrltype[nameparts[0]])
         var[nameparts[2]] = widget
+
+def messagebox(messagetext, symbol=None, title=None, parent=None):
+    if not symbol:
+        symbol = Gtk.MessageType.INFO
+    if parent:
+        flags = Gtk.DialogFlags.DESTROY_WITH_PARENT
+    else:
+        flags = 0
+    md = Gtk.MessageDialog(parent=parent, flags=flags, message_type=symbol, buttons=Gtk.ButtonsType.CLOSE)
+    md.set_markup(messagetext)
+    if title:
+        md.set_title(title)
+    if not parent:
+        md.set_position(Gtk.WindowPosition.CENTER)
+    md.run()
+    md.destroy()
+
+def questionbox(messagetext, symbol=None, title=None, parent=None):
+    """
+    Ja/Nein-Nachfrage bei wirklich wichtigen Entscheidungen
+    Die Entscheidung wird als Rückgabewert geliefert: True falls
+    zugestimmt wurde, False bei Ablehnung
+    """
+    if not symbol:
+        symbol = Gtk.MessageType.QUESTION
+    if parent:
+        flags = Gtk.DialogFlags.DESTROY_WITH_PARENT
+    else:
+        flags = 0
+    md = Gtk.MessageDialog(parent=parent, flags=flags, message_type=symbol, buttons=Gtk.ButtonsType.YES_NO)
+    md.set_markup(messagetext)
+    if title:
+        md.set_title(title)
+    if not parent:
+        md.set_position(Gtk.WindowPosition.CENTER)
+    response = md.run()
+    md.destroy()
+    return response == Gtk.ResponseType.YES