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// LabelItem.cs: DocView Label Item.
//
// Author: Mike Kestner <mkestner@novell.com>
//
// Copyright (c) 2008 Novell, Inc.
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without restriction,
// including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software,
// and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
// BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.


namespace Monodoc.Widgets {

using System;
using Pango;

internal class LabelItem : DocViewItem {

DocView view;
string text;

public LabelItem (DocView view, string text)
{
this.text = text;
this.view = view;
}

public override void Event (EventInfo info)
{
}

FontDescription desc;
FontDescription FontDescription {
get {
if (desc == null) {
desc = view.Layout.Context.FontDescription.Copy ();
desc.Weight = Weight.Bold;
}
return desc;
}
}

protected override void OnPaint (Gdk.Drawable win, Gdk.Point offset, Gdk.Rectangle clip)
{
Pango.Layout layout = view.Layout;
layout.FontDescription = FontDescription;
layout.Alignment = Pango.Alignment.Left;
layout.Width = -1;
layout.SetText (text);
win.DrawLayout (view.Style.TextGC (0), Location.X + offset.X - ink_offset.X, Location.Y + offset.Y - ink_offset.Y, layout);
layout.FontDescription = null;
}

Gdk.Point ink_offset;

public override void Update (int width)
{
Layout layout = view.Layout;
layout.FontDescription = FontDescription;
layout.Alignment = Alignment.Left;
layout.Width = -1;
layout.SetText (text);
Rectangle ink, log;
layout.GetPixelExtents (out ink, out log);
ink_offset = new Gdk.Point (ink.X, ink.Y);
layout.FontDescription = null;
sz.Width = ink.Width;
sz.Height = ink.Height;
}
}
}
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