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//
// WavedLineMarker.cs
//
// Author:
// Mike Krüger <mkrueger@xamarin.com>
//
// Copyright (c) 2014 Xamarin Inc. (http://xamarin.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 Mono.TextEditor;
using MonoDevelop.Components;
using MonoDevelop.Debugger;
using Pango;
namespace MonoDevelop.SourceEditor
{
class GenericUnderlineMarker : UnderlineTextSegmentMarker, MonoDevelop.Ide.Editor.IGenericTextSegmentMarker
{
HslColor color;
HslColor MonoDevelop.Ide.Editor.IGenericTextSegmentMarker.Color {
get {
return color;
}
set {
color = value;
}
}
public GenericUnderlineMarker (TextSegment segment, MonoDevelop.Ide.Editor.TextSegmentMarkerEffect effect) : base ("", segment)
{
this.effect = effect;
}
public override void Draw (MonoTextEditor editor, Cairo.Context cr, LineMetrics layout, int startOffset, int endOffset)
{
if (DebuggingService.IsDebugging)
return;
int markerStart = Segment.Offset;
int markerEnd = Segment.EndOffset;
if (markerEnd < startOffset || markerStart > endOffset)
return;
double drawFrom;
double drawTo;
double y = layout.LineYRenderStartPosition;
double startXPos = layout.TextRenderStartPosition;
double endXPos = layout.TextRenderEndPosition;
if (markerStart < startOffset && endOffset < markerEnd) {
drawTo = endXPos;
var line = editor.GetLineByOffset (startOffset);
int offset = line.GetIndentation (editor.Document).Length;
drawFrom = startXPos + (layout.Layout.Layout.IndexToPos (offset).X / Pango.Scale.PangoScale);
} else {
int start;
if (startOffset < markerStart) {
start = markerStart;
} else {
var line = editor.GetLineByOffset (startOffset);
int offset = line.GetIndentation (editor.Document).Length;
start = startOffset + offset;
}
int end = endOffset < markerEnd ? endOffset : markerEnd;
int x_pos;
x_pos = layout.Layout.Layout.IndexToPos (start - startOffset).X;
drawFrom = startXPos + (int)(x_pos / Pango.Scale.PangoScale);
x_pos = layout.Layout.Layout.IndexToPos (end - startOffset).X;
drawTo = startXPos + (int)(x_pos / Pango.Scale.PangoScale);
}
drawFrom = Math.Max (drawFrom, editor.TextViewMargin.XOffset);
drawTo = Math.Max (drawTo, editor.TextViewMargin.XOffset);
if (drawFrom >= drawTo)
return;
double height = editor.LineHeight / 5;
cr.SetSourceColor (color);
if (effect == MonoDevelop.Ide.Editor.TextSegmentMarkerEffect.WavedLine) {
Pango.CairoHelper.ShowErrorUnderline (cr, drawFrom, y + editor.LineHeight - height, drawTo - drawFrom, height);
} else if (effect == MonoDevelop.Ide.Editor.TextSegmentMarkerEffect.DottedLine) {
cr.Save ();
cr.LineWidth = 1;
cr.MoveTo (drawFrom + 1, y + editor.LineHeight - 1 + 0.5);
cr.RelLineTo (Math.Min (drawTo - drawFrom, 4 * 3), 0);
cr.SetDash (new double[] { 2, 2 }, 0);
cr.Stroke ();
cr.Restore ();
} else {
cr.MoveTo (drawFrom, y + editor.LineHeight - 1);
cr.LineTo (drawTo, y + editor.LineHeight - 1);
cr.Stroke ();
}
}
public event EventHandler<MonoDevelop.Ide.Editor.TextMarkerMouseEventArgs> MousePressed;
public event EventHandler<MonoDevelop.Ide.Editor.TextMarkerMouseEventArgs> MouseHover;
object MonoDevelop.Ide.Editor.ITextSegmentMarker.Tag {
get;
set;
}
MonoDevelop.Ide.Editor.TextSegmentMarkerEffect effect;
MonoDevelop.Ide.Editor.TextSegmentMarkerEffect MonoDevelop.Ide.Editor.IGenericTextSegmentMarker.Effect {
get {
return effect;
}
}
}
}
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