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git-svn-id: https://lsleditor.svn.sourceforge.net/svnroot/lsleditor@1 3f4676ac-adda-40fd-8265-58d1435b1672
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dimentox 2010-04-29 03:23:31 +00:00
commit 7d308772cf
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Editor/Numbered.cs Normal file
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// /**
// ********
// *
// * ORIGIONAL CODE BASE IS Copyright (C) 2006-2010 by Alphons van der Heijden
// * The code was donated on 4/28/2010 by Alphons van der Heijden
// * To Brandon'Dimentox Travanti' Husbands & Malcolm J. Kudra which in turn Liscense under the GPLv2.
// * In agreement to Alphons van der Heijden wishes.
// *
// * The community would like to thank Alphons for all of his hard work, blood sweat and tears.
// * Without his work the community would be stuck with crappy editors.
// *
// * The source code in this file ("Source Code") is provided by The LSLEditor Group
// * to you under the terms of the GNU General Public License, version 2.0
// * ("GPL"), unless you have obtained a separate licensing agreement
// * ("Other License"), formally executed by you and Linden Lab. Terms of
// * the GPL can be found in the gplv2.txt document.
// *
// ********
// * GPLv2 Header
// ********
// * LSLEditor, a External editor for the LSL Language.
// * Copyright (C) 2010 The LSLEditor Group.
//
// * This program is free software; you can redistribute it and/or
// * modify it under the terms of the GNU General Public License
// * as published by the Free Software Foundation; either version 2
// * of the License, or (at your option) any later version.
// *
// * This program is distributed in the hope that it will be useful,
// * but WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// * GNU General Public License for more details.
// *
// * You should have received a copy of the GNU General Public License
// * along with this program; if not, write to the Free Software
// * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
// ********
// *
// * The above copyright notice and this permission notice shall be included in all
// * copies or substantial portions of the Software.
// *
// ********
// */
using System;
using System.Drawing;
using System.Windows.Forms;
namespace LSLEditor.Editor
{
public partial class Numbered : UserControl
{
public RichTextBox richTextBox1;
private Brush brush;
public float LineHeight;
public Numbered()
{
InitializeComponent();
this.SetStyle(
ControlStyles.DoubleBuffer |
ControlStyles.UserPaint |
ControlStyles.AllPaintingInWmPaint,
true);
this.UpdateStyles();
brush = new SolidBrush(this.ForeColor);
LineHeight = 0.0F;
}
private void updateNumberLabel(PaintEventArgs e)
{
if (this.brush == null)
return;
if (this.ClientSize.Width <= 0 || this.ClientSize.Height <= 0)
return;
int delta = 0;
int firstLine = 0;
int lastLine = 10;
Font font = this.Font;
if (this.richTextBox1 == null)
{
LineHeight = 16.0F;
}
else
{
//we get index of first visible char and number of first visible line
Point pos = new Point(0, 0);
int firstIndex = this.richTextBox1.GetCharIndexFromPosition(pos);
firstLine = this.richTextBox1.GetLineFromCharIndex(firstIndex);
font = this.richTextBox1.Font;
if (LineHeight < 0.01)
{
if (this.richTextBox1.Lines.Length > 1)
{
Point pos1 = this.richTextBox1.GetPositionFromCharIndex(this.richTextBox1.GetFirstCharIndexFromLine(1));
LineHeight = pos1.Y;
}
}
lastLine = Math.Min(this.richTextBox1.Lines.Length, 2 + firstLine + (int)(this.richTextBox1.ClientRectangle.Height / LineHeight));
int intCharIndex = this.richTextBox1.GetCharIndexFromPosition(Point.Empty);
delta = 1 + this.richTextBox1.GetPositionFromCharIndex(intCharIndex).Y % font.Height;
}
// here we go
lastLine = Math.Max(lastLine, 1);
Graphics g = e.Graphics;
g.Clear(this.BackColor);
if(this.richTextBox1==null)
g.SetClip(new Rectangle(0, 0, this.Width, this.Height));
else
g.SetClip(new Rectangle(0, 0, this.Width, this.richTextBox1.ClientRectangle.Height));
for (int i = firstLine; i < lastLine; i++)
g.DrawString(string.Format("{0:0###}", i + 1), font, brush,
new PointF(0F, delta + (i - firstLine) * LineHeight) );
//g.DrawLine(new Pen(brush), backBuffer.Width - 1, 0, backBuffer.Width - 1, backBuffer.Height);
}
protected override void OnPaint(PaintEventArgs e)
{
updateNumberLabel(e);
}
protected override void OnPaintBackground(PaintEventArgs e)
{
//base.OnPaintBackground(e);
}
}
}