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// TextMarker.cs
//
// Author:
// Mike Krüger <mkrueger@novell.com>
//
// Copyright (c) 2008 Novell, Inc (http://www.novell.com)
//
// 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.
using System;
using Gdk;
using Mono.TextEditor.Highlighting;
namespace Mono.TextEditor
{
public interface IExtendingTextLineMarker
{
double GetLineHeight (MonoTextEditor editor);
void Draw (MonoTextEditor editor, Cairo.Context cr, int lineNr, Cairo.Rectangle lineArea);
}
public interface IActionTextLineMarker
{
/// <returns>
/// true, if the mouse press was handled - false otherwise.
/// </returns>
bool MousePressed (MonoTextEditor editor, MarginMouseEventArgs args);
void MouseHover (MonoTextEditor editor, MarginMouseEventArgs args, TextLineMarkerHoverResult result);
}
public class TextLineMarkerHoverResult
{
bool isCursorSet;
public bool HasCursor {
get { return isCursorSet;}
}
Gdk.Cursor cursor;
public Gdk.Cursor Cursor {
get {
return cursor;
}
set {
cursor = value;
isCursorSet = true;
}
}
public string TooltipMarkup { get; set; }
}
[Flags]
public enum TextLineMarkerFlags
{
None = 0,
DrawsSelection = 1
}
public class LineMetrics
{
public DocumentLine LineSegment { get; internal set; }
public TextViewMargin.LayoutWrapper Layout { get; internal set; }
public int SelectionStart { get; internal set; }
public int SelectionEnd { get; internal set; }
public int TextStartOffset { get; internal set; }
public int TextEndOffset { get; internal set; }
public double TextRenderStartPosition { get; internal set; }
public double TextRenderEndPosition { get; internal set; }
public double LineHeight { get; internal set; }
public double WholeLineWidth { get; internal set; }
public double LineYRenderStartPosition { get; internal set; }
}
public class EndOfLineMetrics
{
public DocumentLine LineSegment { get; internal set; }
public double TextRenderEndPosition { get; internal set; }
public double LineHeight { get; internal set; }
public double LineYRenderStartPosition { get; internal set; }
}
public class TextLineMarker
{
DocumentLine lineSegment;
public DocumentLine LineSegment {
get {
return lineSegment;
}
set {
lineSegment = value;
}
}
public virtual TextLineMarkerFlags Flags {
get;
set;
}
public object Tag {
get;
set;
}
bool isVisible = true;
public virtual bool IsVisible {
get { return isVisible; }
set { isVisible = value; }
}
public TextLineMarker ()
{
}
public virtual void Draw (MonoTextEditor editor, Cairo.Context cr, LineMetrics metrics)
{
}
public virtual ChunkStyle GetStyle (ChunkStyle baseStyle)
{
return baseStyle;
}
/// <summary>
/// Draws the background of the text.
/// </summary>
/// <returns><c>true</c>, if background was drawn, <c>false</c> otherwise.</returns>
/// <param name="editor">The editor.</param>
/// <param name="cr">The cairo context.</param>
/// <param name="y">The y coordinate.</param>
/// <param name="metrics">The line metrics.</param>
public virtual bool DrawBackground (MonoTextEditor editor, Cairo.Context cr, LineMetrics metrics)
{
return false;
}
/// <summary>
/// Is used to draw in the area after the visible text.
/// </summary>
public virtual void DrawAfterEol (MonoTextEditor textEditor, Cairo.Context cr, EndOfLineMetrics metrics)
{
}
}
}
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