我正在一个项目中,在该项目中,我们将C#代码分解为函数,并将这些函数存储在IElisonBuffers中。我已经连接了Intellisense,并且缓冲区可以与其他扩展交互,如下所示:
但是,我无法使语法高亮显示在这些编辑器中。
我通过以下步骤嵌入了这些编辑器:
IVsInvisibleEditor
为文件创建一个。IVsTextLines
此IVsInvisibleEditor
IVsCodeWindow
和设置缓冲区这IVsCodeWindow
是IVsTextLines
从IVsInvisibleEditor
IWpfTextViewHost
从此代码窗口获取一个。这使我回到“ WPF Land”,在那里我可以与传统跨度进行交互。IWpfTextViewHost
的文本视图的SnapshotSpan 。该SnapshotSpan包含一个功能。IElisionBuffer
包含SnapshotSpan的对象。IVsTextBuffer
通过IVsEditorAdaptersFactoryService.CreateVsTextBufferAdapterForSecondaryBuffer()
传入IElisionBuffer
。IVsTextBuffer
为IVsTextLines
并SetLanguageServiceID()
通过C#GUID调用传递:694DD9B6-B865-4C5B-AD85-86356E9C88DC。GetLanguageServiceID()
,一切看起来都还不错。IVsTextView
,并使用new对其进行初始化IVsTextBuffer
。IWpfTextViewHost
这个IVsTextView
。为IElisionBuffer设置语言服务ID时,是否需要采取任何特殊措施?
为了完整起见,这是我正在使用的代码:
public CustomEditorViewModel CreateEditor(string filePath, int start, int end) {
IVsInvisibleEditor invisibleEditor;
ErrorHandler.ThrowOnFailure(this._InvisibleEditorManager.RegisterInvisibleEditor(
filePath
, pProject: null
, dwFlags: (uint)_EDITORREGFLAGS.RIEF_ENABLECACHING
, pFactory: null
, ppEditor: out invisibleEditor));
var docDataPointer = IntPtr.Zero;
Guid guidIVsTextLines = typeof(IVsTextLines).GUID;
ErrorHandler.ThrowOnFailure(
invisibleEditor.GetDocData(
fEnsureWritable: 1
, riid: ref guidIVsTextLines
, ppDocData: out docDataPointer));
IVsTextLines docData = (IVsTextLines)Marshal.GetObjectForIUnknown(docDataPointer);
//Createa a code window adapter
var codeWindow = _EditorAdapterFactory.CreateVsCodeWindowAdapter(VisualStudioServices.OLEServiceProvider);
//Associate our IVsTextLines with our new code window
ErrorHandler.ThrowOnFailure(codeWindow.SetBuffer(docData));
//Get our text view for our editor which we will use to get the WPF control that hosts that editor.
IVsTextView textView;
ErrorHandler.ThrowOnFailure(codeWindow.GetPrimaryView(out textView));
//This is our TextViewHost
//It transports us back into the land of WPF
IWpfTextViewHost textViewHost = _EditorAdapterFactory.GetWpfTextViewHost(textView);
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//Now we need to subset TextBuffer somehow...
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
int length = end - start;
SnapshotSpan subsetSnapshot = new SnapshotSpan(textViewHost.TextView.TextSnapshot, start, length);
var CSharpType = _contentTypeRegistry.GetContentType("CSharp");
var projBuffer = _ProjectionBufferFactory.CreateElisionBuffer(
null
, new NormalizedSnapshotSpanCollection(subsetSnapshot)
, ElisionBufferOptions.None
,CSharpType);
IVsTextBuffer bufferAdapter = _EditorAdapterFactory.CreateVsTextBufferAdapterForSecondaryBuffer(VisualStudioServices.OLEServiceProvider, projBuffer);
//My attempt at getting syntax coloring to work:
Guid CSharpLanguageServiceId = new Guid("694DD9B6-B865-4C5B-AD85-86356E9C88DC");
IVsTextLines buffer = (IVsTextLines)bufferAdapter;
buffer.SetLanguageServiceID(ref CSharpLanguageServiceId);
IVsTextView projTextView = _EditorAdapterFactory.CreateVsTextViewAdapter(VisualStudioServices.OLEServiceProvider);
projTextView.Initialize(
(IVsTextLines)bufferAdapter
, IntPtr.Zero
, (uint)TextViewInitFlags.VIF_HSCROLL | (uint)TextViewInitFlags.VIF_VSCROLL | (uint)TextViewInitFlags3.VIF_NO_HWND_SUPPORT,
new[] { new INITVIEW { fSelectionMargin = 0, fWidgetMargin = 0, fVirtualSpace = 0, fDragDropMove = 0 } }
);
return _EditorAdapterFactory.GetWpfTextViewHost(projTextView);
}
使省略缓冲区的内容类型为内容类型“ projection”或从其派生。这就是标记者应该通过它进行投射的暗示。
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