public void CreateHiddenRegion(string bannerText, TextSpan ts)
{
IVsHiddenTextSession session = HiddenTextSession;
if (session != null)
{
NewHiddenRegion[] NewHiddenRegionArray = new NewHiddenRegion[1];
NewHiddenRegionArray[0].dwBehavior = (uint)HIDDEN_REGION_BEHAVIOR.hrbClientControlled;
//NewHiddenRegionArray[0].dwClient = 0x2cff;
NewHiddenRegionArray[0].dwState = (uint)HIDDEN_REGION_STATE.hrsDefault;
NewHiddenRegionArray[0].iType = (int)HIDDEN_REGION_TYPE.hrtCollapsible;
NewHiddenRegionArray[0].pszBanner = bannerText;
NewHiddenRegionArray[0].tsHiddenText = ts;
int isOk = session.AddHiddenRegions(
(uint)CHANGE_HIDDEN_REGION_FLAGS.chrDefault,
1,
NewHiddenRegionArray,
null);
if (isOk != VSConstants.S_OK)
{
MessageBox.Show("error");
}
}
}
// Produces tags on the snapshot that the tag consumer asked for.
public IEnumerable <ITagSpan <DocumentationTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
var documentation = Services.DocumentationFileSerializer.Deserialize(_codyDocsFilename);
List <ITagSpan <DocumentationTag> > res =
new List <ITagSpan <DocumentationTag> >();
var currentSnapshot = _buffer.CurrentSnapshot;
var hiddenTextManager = ServiceProvider.GlobalProvider.GetService(typeof(SVsTextManager)) as IVsHiddenTextManager;
var service = ServiceProvider.GlobalProvider.GetService(typeof(SVsTextManager));
var textManager = service as IVsTextManager2;
IVsTextView view;
int result = textManager.GetActiveView2(1, null, (uint)_VIEWFRAMETYPE.vftCodeWindow, out view);
IVsHiddenTextSession hiddenSession = null;
IVsEnumHiddenRegions[] hiddenRegions = null;
int hRetVal = hiddenTextManager.GetHiddenTextSession(
_buffer,
out hiddenSession);
if (hRetVal != 0)
{
hRetVal = hiddenTextManager.CreateHiddenTextSession(
0,
_buffer,
null,
out hiddenSession);
}
if (hiddenSession != null)
{
foreach (var fragment in documentation.Fragments)
{
int startPos = fragment.Selection.StartPosition;
int length = fragment.Selection.EndPosition - fragment.Selection.StartPosition;
var snapshotSpan = new SnapshotSpan(
currentSnapshot, new Span(startPos, length));
view.GetLineAndColumn(fragment.Selection.StartPosition, out int startLine, out int startIdx);
view.GetLineAndColumn(fragment.Selection.EndPosition, out int endLine, out int endIdx);
var hidRegion = new NewHiddenRegion()
{
dwBehavior = (uint)HIDDEN_REGION_BEHAVIOR.hrbClientControlled,
dwState = (uint)HIDDEN_REGION_STATE.hrsDefault,
iType = (int)HIDDEN_REGION_TYPE.hrtConcealed,
pszBanner = fragment.Documentation,
tsHiddenText = new TextSpan()
{
iStartLine = startLine,
iStartIndex = startIdx,
iEndLine = endLine,
iEndIndex = endIdx
}
};
hiddenSession.AddHiddenRegions(0, 1, new[] { hidRegion }, hiddenRegions);
res.Add(new TagSpan <DocumentationTag>(snapshotSpan, new DocumentationTag(fragment.Selection.Text, snapshot.CreateTrackingSpan(startPos, length, SpanTrackingMode.EdgeInclusive), _buffer)));
}
}
return(res);
}
private TextViewSelection GetSelection(IServiceProvider serviceProvider)
{
var service = serviceProvider.GetService(typeof(SVsTextManager));
var textManager = service as IVsTextManager2;
IVsTextView view;
int result = textManager.GetActiveView2(1, null, (uint)_VIEWFRAMETYPE.vftCodeWindow, out view);
view.GetSelection(out int startLine, out int startColumn, out int endLine, out int endColumn);//end could be before beginning
var hiddenTextManager = serviceProvider.GetService(typeof(SVsTextManager)) as IVsHiddenTextManager;
IVsHiddenTextSession hiddenSession = null;
IVsTextLines lines = null;
IVsEnumHiddenRegions[] hiddenRegions = null;
view.GetBuffer(out lines);
int hRetVal = hiddenTextManager.GetHiddenTextSession(
lines,
out hiddenSession);
if (hRetVal != 0)
{
hRetVal = hiddenTextManager.CreateHiddenTextSession(
0,
lines,
null,
out hiddenSession);
//if (hRetVal != 0)
// return null;
}
if (hiddenSession != null)
{
var hidRegion = new NewHiddenRegion()
{
dwBehavior = (uint)HIDDEN_REGION_BEHAVIOR.hrbClientControlled,
dwState = (uint)HIDDEN_REGION_STATE.hrsDefault,
iType = (int)HIDDEN_REGION_TYPE.hrtConcealed,
pszBanner = "Testing!!",
tsHiddenText = new TextSpan()
{
iStartLine = startLine,
iStartIndex = startColumn,
iEndLine = endLine,
iEndIndex = endColumn
}
};
hiddenSession.AddHiddenRegions(0, 1, new[] { hidRegion }, hiddenRegions);
}
int ok = view.GetNearestPosition(startLine, startColumn, out int position1, out int piVirtualSpaces);
ok = view.GetNearestPosition(endLine, endColumn, out int position2, out piVirtualSpaces);
var startPosition = Math.Min(position1, position2);
var endPosition = Math.Max(position1, position2);
view.GetSelectedText(out string selectedText);
TextViewSelection selection = new TextViewSelection(startPosition, endPosition, selectedText);
return(selection);
}
