diff options
Diffstat (limited to 'main/src/addins/MonoDevelop.SourceEditor2/MonoDevelop.SourceEditor/TextMarker/LinkMarker.cs')
-rw-r--r-- | main/src/addins/MonoDevelop.SourceEditor2/MonoDevelop.SourceEditor/TextMarker/LinkMarker.cs | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/main/src/addins/MonoDevelop.SourceEditor2/MonoDevelop.SourceEditor/TextMarker/LinkMarker.cs b/main/src/addins/MonoDevelop.SourceEditor2/MonoDevelop.SourceEditor/TextMarker/LinkMarker.cs new file mode 100644 index 0000000000..c884720dd2 --- /dev/null +++ b/main/src/addins/MonoDevelop.SourceEditor2/MonoDevelop.SourceEditor/TextMarker/LinkMarker.cs @@ -0,0 +1,130 @@ +// +// LinkMarker.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 MonoDevelop.Ide.Editor; +using Mono.TextEditor; +using MonoDevelop.Core; + +namespace MonoDevelop.SourceEditor +{ + class LinkMarker : UnderlineTextSegmentMarker, ILinkTextMarker, IActionTextLineMarker + { + static readonly Gdk.Cursor textLinkCursor = new Gdk.Cursor (Gdk.CursorType.Hand1); + + Action<LinkRequest> activateLink; + + public bool OnlyShowLinkOnHover { + get; + set; + } + + + public LinkMarker (int offset, int length, Action<LinkRequest> activateLink) : base (DefaultSourceEditorOptions.Instance.GetColorStyle ().LinkColor.Color, new TextSegment (offset, length)) + { + this.activateLink = activateLink; + this.Wave = false; + } + + public event EventHandler<TextMarkerMouseEventArgs> MousePressed; + public event EventHandler<TextMarkerMouseEventArgs> MouseHover; + + object ITextSegmentMarker.Tag { + get; + set; + } + + bool IActionTextLineMarker.MousePressed (MonoTextEditor editor, MarginMouseEventArgs args) + { + MousePressed?.Invoke (this, new TextEventArgsWrapper (args)); + return false; + } + + bool IActionTextLineMarker.MouseReleased (MonoTextEditor editor, MarginMouseEventArgs args) + { + if ((Platform.IsMac && (args.ModifierState & Gdk.ModifierType.Mod2Mask) == Gdk.ModifierType.Mod2Mask) || + (!Platform.IsMac && (args.ModifierState & Gdk.ModifierType.ControlMask) == Gdk.ModifierType.ControlMask)) + activateLink?.Invoke (LinkRequest.RequestNewView); + else + activateLink?.Invoke (LinkRequest.SameView); + + return false; + } + + + void IActionTextLineMarker.MouseHover (MonoTextEditor editor, MarginMouseEventArgs args, TextLineMarkerHoverResult result) + { + MouseHover?.Invoke (this, new TextEventArgsWrapper (args)); + result.Cursor = textLinkCursor; + if (OnlyShowLinkOnHover) { + editor.GetTextEditorData ().Document.CommitLineUpdate (args.LineSegment); + editor.TextViewMargin.HoveredLineChanged += new UpdateOldLine (editor, args.LineSegment).TextViewMargin_HoveredLineChanged; + } + } + + class UpdateOldLine + { + MonoTextEditor editor; + DocumentLine lineSegment; + + public UpdateOldLine (MonoTextEditor editor, DocumentLine lineSegment) + { + this.editor = editor; + this.lineSegment = lineSegment; + } + + public void TextViewMargin_HoveredLineChanged (object sender, Mono.TextEditor.LineEventArgs e) + { + editor.GetTextEditorData ().Document.CommitLineUpdate (lineSegment); + editor.TextViewMargin.HoveredLineChanged -= TextViewMargin_HoveredLineChanged; + } + } + + public override void Draw (MonoTextEditor editor, Cairo.Context cr, LineMetrics metrics, int startOffset, int endOffset) + { + if (OnlyShowLinkOnHover) { + if (editor.TextViewMargin.MarginCursor != textLinkCursor) + return; + if (editor.TextViewMargin.HoveredLine == null) + return; + var hoverOffset = editor.LocationToOffset (editor.TextViewMargin.HoveredLocation); + if (!Segment.Contains (hoverOffset)) + return; + } + this.Color = editor.ColorStyle.LinkColor.Color; + + if (!OnlyShowLinkOnHover) { + if (editor.TextViewMargin.MarginCursor == textLinkCursor && editor.TextViewMargin.HoveredLine != null) { + var hoverOffset = editor.LocationToOffset (editor.TextViewMargin.HoveredLocation); + if (Segment.Contains (hoverOffset)) + this.Color = editor.ColorStyle.ActiveLinkColor.Color; + } + } + + base.Draw (editor, cr, metrics, startOffset, endOffset); + } + } +} + |