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Viewing changes to external/xwt/Xwt.Gtk/Xwt.GtkBackend/DialogBackend.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/xwt/Xwt.Gtk/Xwt.GtkBackend/DialogBackend.cs
 
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// 
 
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// DialogBackend.cs
 
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//  
 
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// Author:
 
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//       Lluis Sanchez <lluis@xamarin.com>
 
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// 
 
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// Copyright (c) 2011 Xamarin Inc
 
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// 
 
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// Permission is hereby granted, free of charge, to any person obtaining a copy
 
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// of this software and associated documentation files (the "Software"), to deal
 
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// in the Software without restriction, including without limitation the rights
 
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 
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// copies of the Software, and to permit persons to whom the Software is
 
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// furnished to do so, subject to the following conditions:
 
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// 
 
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// The above copyright notice and this permission notice shall be included in
 
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// all copies or substantial portions of the Software.
 
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// 
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 
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// THE SOFTWARE.
 
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using System;
 
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using Xwt.Backends;
 
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using System.Collections.Generic;
 
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using System.Linq;
 
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using Xwt.Engine;
 
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namespace Xwt.GtkBackend
 
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{
 
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        public class DialogBackend: WindowBackend, IDialogBackend
 
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        {
 
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                DialogButton[] dialogButtons;
 
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                Gtk.Button[] buttons;
 
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                public DialogBackend ()
 
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                {
 
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                }
 
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                public override void Initialize ()
 
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                {
 
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                        Window = new Gtk.Dialog ();
 
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                        Window.VBox.PackStart (CreateMainLayout ());
 
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                        Window.ActionArea.Hide ();
 
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                }
 
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                new Gtk.Dialog Window {
 
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                        get { return (Gtk.Dialog) base.Window; }
 
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                        set { base.Window = value; }
 
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                }
 
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                new IDialogEventSink EventSink {
 
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                        get { return (IDialogEventSink) base.EventSink; }
 
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                }
 
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                public void SetButtons (IEnumerable<DialogButton> newButtons)
 
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                {
 
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                        if (buttons != null) {
 
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                                foreach (var b in buttons) {
 
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                                        ((Gtk.Container)b.Parent).Remove (b);
 
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                                        b.Destroy ();
 
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                                }
 
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                        }
 
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                        dialogButtons = newButtons.ToArray ();
 
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                        buttons = new Gtk.Button [dialogButtons.Length];
 
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                        for (int n=0; n<dialogButtons.Length; n++) {
 
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                                var db = dialogButtons[n];
 
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                                Gtk.Button b = new Gtk.Button ();
 
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                                b.Show ();
 
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                                b.Label = db.Label;
 
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                                Window.ActionArea.Add (b);
 
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                                UpdateButton (db, b);
 
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                                buttons[n] = b;
 
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                                buttons[n].Clicked += HandleButtonClicked;
 
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                        }
 
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                        UpdateActionAreaVisibility ();
 
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                }
 
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                void UpdateActionAreaVisibility ()
 
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                {
 
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                        Window.ActionArea.Visible = Window.ActionArea.Children.Any (c => c.Visible);
 
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                }
 
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                void UpdateButton (DialogButton btn, Gtk.Button b)
 
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                {
 
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                        if (!string.IsNullOrEmpty (btn.Label) && btn.Image == null) {
 
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                                b.Label = btn.Label;
 
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                        } else if (string.IsNullOrEmpty (btn.Label) && btn.Image != null) {
 
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                                var pix = (Gdk.Pixbuf) WidgetRegistry.GetBackend (btn.Image);
 
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                                b.Image = new Gtk.Image (pix);
 
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                        } else if (!string.IsNullOrEmpty (btn.Label)) {
 
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                                Gtk.Box box = new Gtk.HBox (false, 3);
 
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                                var pix = (Gdk.Pixbuf) WidgetRegistry.GetBackend (btn.Image);
 
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                                box.PackStart (new Gtk.Image (pix), false, false, 0);
 
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                                box.PackStart (new Gtk.Label (btn.Label), true, true, 0);
 
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                                b.Image = box;
 
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                        }
 
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                        if (btn.Visible)
 
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                                b.ShowAll ();
 
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                        else
 
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                                b.Hide ();
 
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                        b.Sensitive = btn.Sensitive;
 
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                        UpdateActionAreaVisibility ();
 
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                }
 
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                void HandleButtonClicked (object o, EventArgs a)
 
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                {
 
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                        int i = Array.IndexOf (buttons, (Gtk.Button) o);
 
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                        Toolkit.Invoke (delegate {
 
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                                EventSink.OnDialogButtonClicked (dialogButtons[i]);
 
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                        });
 
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                }
 
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                public void UpdateButton (DialogButton btn)
 
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                {
 
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                        int i = Array.IndexOf (dialogButtons, btn);
 
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                        UpdateButton (btn, buttons[i]);
 
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                }
 
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                public void RunLoop (IWindowFrameBackend parent)
 
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                {
 
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                        SetDefaultPosition ();
 
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                        var p = (WindowFrameBackend) parent;
 
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                        MessageService.RunCustomDialog (Window, p != null ? p.Window : null);
 
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                }
 
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                public void EndLoop ()
 
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                {
 
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                        Window.Respond (Gtk.ResponseType.Ok);
 
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                }
 
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        }
 
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}
 
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