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Viewing changes to external/xwt/Xwt.Mac/Xwt.Mac/LabelBackend.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.Mac/Xwt.Mac/LabelBackend.cs
 
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// 
 
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// LabelBackend.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 MonoMac.AppKit;
 
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using Xwt.Backends;
 
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namespace Xwt.Mac
 
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{
 
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        public class LabelBackend: ViewBackend<NSTextField,IWidgetEventSink>, ILabelBackend
 
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        {
 
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                public LabelBackend ()
 
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                        : this (new TextFieldView ())
 
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                {
 
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                }
 
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                protected LabelBackend (IViewObject viewObject)
 
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                {
 
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                        ViewObject = viewObject;
 
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                        Widget.Editable = false;
 
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                        Widget.Bezeled = false;
 
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                        Widget.DrawsBackground = false;
 
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                        Widget.SizeToFit ();
 
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                }
 
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                public virtual string Text {
 
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                        get {
 
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                                return Widget.StringValue;
 
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                        }
 
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                        set {
 
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                                Widget.StringValue = value;
 
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                                Widget.SizeToFit ();
 
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                        }
 
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                }
 
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                public Xwt.Drawing.Color TextColor {
 
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                        get { return Widget.TextColor.ToXwtColor (); }
 
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                        set { Widget.TextColor = value.ToNSColor (); }
 
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                }
 
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                public Alignment TextAlignment {
 
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                        get {
 
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                                switch (Widget.Alignment) {
 
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                                case NSTextAlignment.Left: return Alignment.Start;
 
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                                case NSTextAlignment.Center: return Alignment.Center;
 
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                                case NSTextAlignment.Right: return Alignment.End;
 
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                                }
 
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                                return Alignment.Start;
 
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                        }
 
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                        set {
 
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                                switch (value) {
 
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                                case Alignment.Start: Widget.Alignment = NSTextAlignment.Left; break;
 
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                                case Alignment.Center: Widget.Alignment = NSTextAlignment.Center; break;
 
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                                case Alignment.End: Widget.Alignment = NSTextAlignment.Right; break;
 
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                                }
 
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                        }
 
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                }
 
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                public EllipsizeMode Ellipsize {
 
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                        get {
 
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                                switch (Widget.Cell.LineBreakMode) {
 
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                                case NSLineBreakMode.TruncatingHead: return Xwt.EllipsizeMode.Start;
 
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                                case NSLineBreakMode.TruncatingMiddle: return Xwt.EllipsizeMode.Middle;
 
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                                case NSLineBreakMode.TruncatingTail: return Xwt.EllipsizeMode.End;
 
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                                default: return Xwt.EllipsizeMode.None;
 
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                                }
 
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                        }
 
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                        set {
 
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                                switch (value) {
 
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                                case Xwt.EllipsizeMode.None: Widget.Cell.LineBreakMode = NSLineBreakMode.Clipping; break;
 
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                                case Xwt.EllipsizeMode.Start: Widget.Cell.LineBreakMode = NSLineBreakMode.TruncatingHead; break;
 
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                                case Xwt.EllipsizeMode.Middle: Widget.Cell.LineBreakMode = NSLineBreakMode.TruncatingMiddle; break;
 
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                                case Xwt.EllipsizeMode.End: Widget.Cell.LineBreakMode = NSLineBreakMode.TruncatingTail; break;
 
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                                }
 
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                        }
 
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                }
 
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                public override Xwt.Drawing.Color BackgroundColor {
 
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                        get { return Widget.BackgroundColor.ToXwtColor (); }
 
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                        set {
 
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                                Widget.BackgroundColor = value.ToNSColor ();
 
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                                Widget.DrawsBackground = true;
 
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                        }
 
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                }
 
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                // FIXME: technically not possible if we keep NSTextField
 
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                // as the backend because it's one-line only
 
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                public WrapMode Wrap {
 
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                        get {
 
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                                if (!Widget.Cell.Wraps)
 
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                                        return WrapMode.None;
 
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                                switch (Widget.Cell.LineBreakMode) {
 
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                                case NSLineBreakMode.ByWordWrapping:
 
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                                        return WrapMode.Word;
 
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                                case NSLineBreakMode.CharWrapping:
 
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                                        return WrapMode.Character;
 
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                                default:
 
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                                        return WrapMode.None;
 
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                                }
 
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                        }
 
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                        set {
 
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                                if (value == WrapMode.None) {
 
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                                        Widget.Cell.Wraps = false;
 
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                                } else {
 
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                                        Widget.Cell.Wraps = true;
 
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                                        switch (value) {
 
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                                        case WrapMode.Word:
 
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                                        case WrapMode.WordAndCharacter:
 
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                                                Widget.Cell.LineBreakMode = NSLineBreakMode.ByWordWrapping;
 
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                                                break;
 
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                                        case WrapMode.Character:
 
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                                                Widget.Cell.LineBreakMode = NSLineBreakMode.CharWrapping;
 
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                                                break;
 
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                                        }
 
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                                }
 
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                        }
 
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                }
 
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        }
 
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        class TextFieldView: NSTextField, IViewObject
 
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        {
 
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                public Widget Frontend { get; set; }
 
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                public NSView View {
 
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                        get { return this; }
 
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                }
 
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        }
 
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}
 
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