[Gtk-sharp-list] How to validate input on Gtk.Dialog?

[Rafael Teixeira]

Small clarification:

I use Glade and a wrapping class generator and windowWidget is of type
Gtk.Dialog.

:)


On 9/8/05, Rafael Teixeira <monoman at gmail.com> wrote:
> I normally design a common form (window) and create a Run method somewhat like
> 
> private string password;
> 
> public string Run()
> {
>     try {
>         windowWidget.ShowAll();
>         while (true) {
>             ResponseType response = (ResponseType)windowWidget.Run();
>             if (response == ResponseType.Ok && validate(password))
>                 break;
>             if (response == ResponseType.Cancel) {
>                 password = null;
>                 break;
>             }
>         }
>     } catch (Exception ex) {
>             password = null;
>     }
>     windowWidget.Hide();
>     return password;
> }
> 
> some event/signal is catched to update the 'password' variable as
> needed, or some code like:
> 
> password = entryPassword.Text;
> 
> can be put before the first 'if'
> 
> :)
> 
> On 9/5/05, Paul Wallimann <pwallimann at hotmail.com> wrote:
> > I am still rather new to GTK# and currently struggling with the following:
> > I want to implement a (modal) Login Dialog that only returns to the calling
> > method when the user either hits Cancel or enters the correct password and
> > hits OK. When the user enters the wrong password and hits OK the dialog
> > should remain open.
> >
> > I thought I could implement this by simply subclassing from Gtk.Dialog.
> > Unfortunately, the dialog gets closed immediately after either of the 2
> > buttons is hit and I have not found a way to execute the validation and
> > keep the dialog open when the password is wrong. Following is my code
> > (using gtk-sharp, Version=2.4.0.0):
> >
> > using System;
> > using Gtk;
> >
> > namespace Testing
> > {
> >         public class LoginDialog : Dialog
> >         {
> >                 public static void Main (string[] args)
> >                 {
> >                         Application.Init();
> >
> >                         LoginDialog dlg = new LoginDialog();
> >                         dlg.Modal = true;
> >                         int response = dlg.Run();
> >                         Console.WriteLine("Main: Response was {0}", (ResponseType)response);
> >                         dlg.Destroy();
> >                 }
> >
> >                 public LoginDialog()
> >                         : base()
> >                 {
> >                         this.AddButton(Stock.Cancel, ResponseType.Cancel);
> >                         this.AddButton(Stock.Ok, ResponseType.Ok);
> >                         this.Response += new ResponseHandler(On_dialog_response);
> >                 }
> >                 private void On_dialog_response (object obj, ResponseArgs args)
> >         {
> >             Console.WriteLine ("On_dialog_response: args.ResponseId = {0}",
> > args.ResponseId);
> >             if (args.ResponseId == ResponseType.Ok)
> >                 args.RetVal = false; // keep dialog open
> >         }
> >                 protected override bool OnDeleteEvent(Gdk.Event e)
> >                 {
> >                         // This method is not called. Why?
> >                         Console.WriteLine("OnDeleteEvent: called");
> >                         return false;
> >                 }
> >         }
> > }
> >
> >
> > I would appreciate if someone could tell me how to do it correctly or point
> > me to an appropriate resource on the internet. Thanks in advance.
> >
> > Regards,
> > Paul Wallimann
> >
> > _______________________________________________
> > Gtk-sharp-list maillist  -  Gtk-sharp-list at lists.ximian.com
> > http://lists.ximian.com/mailman/listinfo/gtk-sharp-list
> >
> 
> 
> --
> Rafael "Monoman" Teixeira
> ---------------------------------------
> I'm trying to become a "Rosh Gadol" before my own eyes.
> See http://www.joelonsoftware.com/items/2004/12/06.html for enlightment.
> It hurts!
> 


-- 
Rafael "Monoman" Teixeira
---------------------------------------
I'm trying to become a "Rosh Gadol" before my own eyes. 
See http://www.joelonsoftware.com/items/2004/12/06.html for enlightment.
It hurts!