Ejemplo n.º 1
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        public static SingleSelection Create(int start, int end, SingleSelection directionProvider)
        {
            var span = directionProvider.selection.TextBuffer.CurrentSnapshot
                       .CreateTrackingSpan(start, end - start, SpanTrackingMode.EdgeInclusive);

            return(new SingleSelection(span, directionProvider.isReversed));
        }
Ejemplo n.º 2
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 public SingleSelectionWithLocation(int caret, int start, int end, SingleSelection selection)
 {
     this.Caret        = caret;
     this.Start        = start;
     this.End          = end;
     this.Selection    = selection;
     this.IsZeroLength = this.Start == this.End;
 }
Ejemplo n.º 3
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 protected override void Search(
     MultiCaretCommandFilter commandFilter,
     SelectionList targetSelections,
     SingleSelection firstText,
     SnapshotSpan lastText,
     FindData findData)
 {
     targetSelections.InsertExpectEnd(
         commandFilter.textSearch.FindAll(findData).ToSingleSelections(false));
 }
Ejemplo n.º 4
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 public static IEnumerable <SingleSelection> ToSingleSelections(
     this IEnumerable <SnapshotSpan> spans,
     bool areReversed)
 {
     foreach (var span in spans)
     {
         var selection = SingleSelection.Create(span, areReversed);
         if (selection.HasValue)
         {
             yield return(selection.Value);
         }
     }
 }
Ejemplo n.º 5
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        private static int SplitSelectionIntoLines(
            MultiCaretCommandFilter commandFilter,
            ref Guid pguidCmdGroup,
            uint nCmdID,
            uint nCmdexecopt,
            IntPtr pvaIn,
            IntPtr pvaOut)
        {
            commandFilter.SelectionSwapExec(
                (currentSelections, targetSelections) =>
            {
                foreach (var selection in currentSelections)
                {
                    var span                 = selection.GetSelectionSpan();
                    var searchingStart       = true;
                    SingleSelection?previous = null;
                    foreach (var line in commandFilter.textView.TextBuffer.CurrentSnapshot.Lines)
                    {
                        var intersection = line.Extent.Intersection(span);
                        if (intersection.HasValue)
                        {
                            if (previous.HasValue)
                            {
                                targetSelections.InsertExpectEnd(previous.Value);
                                previous = null;
                            }

                            searchingStart   = false;
                            var newSelection = SingleSelection.Create(intersection.Value, false);
                            if (newSelection.HasValue)
                            {
                                if (intersection.Value.Length != 0)
                                {
                                    targetSelections.InsertExpectEnd(newSelection.Value);
                                }
                                else
                                {
                                    previous = newSelection;
                                }
                            }
                        }
                        else if (!searchingStart)
                        {
                            break;
                        }
                    }
                }
            });

            return(VSConstants.S_OK);
        }
Ejemplo n.º 6
0
 protected override void Search(
     MultiCaretCommandFilter commandFilter,
     SelectionList targetSelections,
     SingleSelection firstText,
     SnapshotSpan lastText,
     FindData findData)
 {
     SearchOne(
         commandFilter,
         firstText.GetSelectionSpan().Start.Position,
         o => o.Start.Position,
         targetSelections.InsertExpectStart,
         findData);
 }
Ejemplo n.º 7
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        private static int HandleTypeChar(
            MultiCaretCommandFilter commandFilter,
            ref Guid pguidCmdGroup,
            uint nCmdID,
            uint nCmdexecopt,
            IntPtr pvaIn,
            IntPtr pvaOut)
        {
            var typed = ((char)Marshal.GetObjectForNativeVariant <ushort>(pvaIn)).ToString();

            commandFilter.SelectionSwapExec(
                (tempSelections, targetSelections) =>
            {
                using (var edit = commandFilter.CreateEdit())
                {
                    foreach (var selection in tempSelections)
                    {
                        edit.Replace(selection.GetSelectionSpan().Span, typed);
                    }

                    edit.Apply();
                }

                // Whatever we typed the tracking spans should now end at the
                // end of our typing which is where our carets should be
                foreach (var selection in tempSelections)
                {
                    var newSelection = SingleSelection.Create(
                        commandFilter.textView.TextSnapshot,
                        selection.GetSelectionSpan().Span.End,
                        false);

                    if (newSelection.HasValue)
                    {
                        targetSelections.InsertExpectEnd(newSelection.Value);
                    }
                }
            });

            return(VSConstants.S_OK);
        }
Ejemplo n.º 8
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            protected static void SearchOne(
                MultiCaretCommandFilter commandFilter,
                int startIndex,
                Func <SnapshotSpan, int> getSearchStart,
                Func <SingleSelection, bool> insert,
                FindData findData)
            {
                // Look for the next selection - if the exact same selection already exists then
                // we need to keep looking until we get back to the beginning.
                var searchStart = startIndex;

                while (true)
                {
                    var next = commandFilter.textSearch.FindNext(searchStart, true, findData);
                    if (!next.HasValue)
                    {
                        return;
                    }

                    // If we have looped round then break out
                    searchStart = getSearchStart(next.Value);
                    if (searchStart == startIndex)
                    {
                        return;
                    }

                    var selection = SingleSelection.Create(next.Value, false);
                    if (!selection.HasValue)
                    {
                        return;
                    }

                    // If we manage to insert then we are done
                    if (insert(selection.Value))
                    {
                        return;
                    }
                }
            }
Ejemplo n.º 9
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 protected abstract void Search(
     MultiCaretCommandFilter commandFilter,
     SelectionList targetSelections,
     SingleSelection firstText,
     SnapshotSpan lastText,
     FindData findData);
Ejemplo n.º 10
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 public SingleSelection WithDirection(SingleSelection directionProvider)
 => new SingleSelection(this.selection, directionProvider.isReversed);
Ejemplo n.º 11
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 public SingleSelection ExpandTo(int start, int end)
 => SingleSelection.Create(Math.Min(this.Start, start), Math.Max(this.End, end), this.Selection);