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<TITLE> [Gtk-sharp-list] How to validate input on Gtk.Dialog?
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<H1>[Gtk-sharp-list] How to validate input on Gtk.Dialog?</H1>
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<B>Paul Wallimann</B>
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<A HREF="mailto:gtk-sharp-list%40lists.ximian.com?Subject=%5BGtk-sharp-list%5D%20How%20to%20validate%20input%20on%20Gtk.Dialog%3F&In-Reply-To="
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TITLE="[Gtk-sharp-list] How to validate input on Gtk.Dialog?">pwallimann at hotmail.com
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</A><BR>
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<I>Mon Sep 5 13:12:33 EDT 2005</I>
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<P><UL>
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<LI>Previous message: <A HREF="006369.html">[Gtk-sharp-list] [NEWBIE] Menu image, submenu items and more
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</A></li>
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<LI>Next message: <A HREF="006375.html">[Gtk-sharp-list] How to validate input on Gtk.Dialog?
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</A></li>
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<LI> <B>Messages sorted by:</B>
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<a href="date.html#6373">[ date ]</a>
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<a href="thread.html#6373">[ thread ]</a>
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<a href="subject.html#6373">[ subject ]</a>
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<a href="author.html#6373">[ author ]</a>
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<HR>
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<!--beginarticle-->
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<PRE>I am still rather new to GTK# and currently struggling with the following:
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I want to implement a (modal) Login Dialog that only returns to the calling
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method when the user either hits Cancel or enters the correct password and
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hits OK. When the user enters the wrong password and hits OK the dialog
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should remain open.
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I thought I could implement this by simply subclassing from Gtk.Dialog.
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Unfortunately, the dialog gets closed immediately after either of the 2
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buttons is hit and I have not found a way to execute the validation and
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keep the dialog open when the password is wrong. Following is my code
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(using gtk-sharp, Version=2.4.0.0):
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using System;
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using Gtk;
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namespace Testing
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{
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public class LoginDialog : Dialog
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{
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public static void Main (string[] args)
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{
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Application.Init();
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LoginDialog dlg = new LoginDialog();
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dlg.Modal = true;
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int response = dlg.Run();
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Console.WriteLine("Main: Response was {0}", (ResponseType)response);
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dlg.Destroy();
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}
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public LoginDialog()
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: base()
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{
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this.AddButton(Stock.Cancel, ResponseType.Cancel);
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this.AddButton(Stock.Ok, ResponseType.Ok);
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this.Response += new ResponseHandler(On_dialog_response);
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}
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private void On_dialog_response (object obj, ResponseArgs args)
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{
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Console.WriteLine ("On_dialog_response: args.ResponseId = {0}",
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args.ResponseId);
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if (args.ResponseId == ResponseType.Ok)
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args.RetVal = false; // keep dialog open
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}
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protected override bool OnDeleteEvent(Gdk.Event e)
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{
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// This method is not called. Why?
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Console.WriteLine("OnDeleteEvent: called");
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return false;
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}
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}
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}
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I would appreciate if someone could tell me how to do it correctly or point
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me to an appropriate resource on the internet. Thanks in advance.
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Regards,
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Paul Wallimann
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</PRE>
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<!--endarticle-->
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