private void ReplaceVirtualSpaces()
{
if (Caret.InVirtualSpace)
{
TextView.TextBuffer.Insert(Caret.Position.BufferPosition, new string(' ', Caret.Position.VirtualSpaces));
Caret.MoveTo(CaretLine.End);
}
}
public override void OnPointerDown(PointerEventData eventData)
{
Caret.MoveTo(
EditableText.RelativeIndexFromPosition(
EditableText.MousePositionInTextRect(eventData)) + _drawStart,
false);
eventData.Use();
}
public void SimulateType(DeveroomEditorTypeCharCommandBase command, char c)
{
var caretPosition = Caret.Position.BufferPosition.Position;
using (var textEdit = TextBuffer.CreateEdit())
{
textEdit.Insert(Caret.Position.BufferPosition.Position, c.ToString());
textEdit.Apply();
}
Caret.MoveTo(new SnapshotPoint(TextSnapshot, caretPosition + 1));
ForceReparse(); //this is needed because currently partial table formatting is not supported
command.PostExec(this, c);
}
private void SelectRange(int selectionStart, int selectionEnd)
{
SnapshotPoint startPoint = new SnapshotPoint(TextView.AdvancedTextView.TextSnapshot, selectionStart);
SnapshotPoint endPoint = new SnapshotPoint(TextView.AdvancedTextView.TextSnapshot, selectionEnd);
TextSelection.Select(new VirtualSnapshotPoint(startPoint), new VirtualSnapshotPoint(endPoint));
ITextViewLine textViewLine = TextView.AdvancedTextView.GetTextViewLineContainingBufferPosition(endPoint);
PositionAffinity affinity = (textViewLine.IsLastTextViewLineForSnapshotLine || (endPoint != textViewLine.End)) ? PositionAffinity.Successor : PositionAffinity.Predecessor;
Caret.MoveTo(endPoint, affinity);
TextView.AdvancedTextView.ViewScroller.EnsureSpanVisible(TextSelection.StreamSelectionSpan.SnapshotSpan,
(selectionStart <= selectionEnd)
? EnsureSpanVisibleOptions.MinimumScroll
: (EnsureSpanVisibleOptions.MinimumScroll | EnsureSpanVisibleOptions.ShowStart));
}
private void MoveCaretToPreviousTabStop()
{
var caretStartingPosition = Caret.Position.VirtualBufferPosition;
var caretStartingColumn = CaretColumn;
Caret.MoveToPreviousCaretPosition();
var lastCaretColumn = -1;
while (CaretColumn % IndentSize != (IndentSize - 1) && CaretCharIsASpace)
{
if (CaretColumn >= lastCaretColumn && lastCaretColumn != -1)
{
break; // Prevent infinite loop on first char of first line or in box selection
}
lastCaretColumn = CaretColumn;
Caret.MoveToPreviousCaretPosition();
}
if (Caret.Position.BufferPosition.Position != 0)
{ // Do this for all cases except the first char of the document
Caret.MoveToNextCaretPosition();
}
VirtualSnapshotPoint?caretNewPosition = Caret.Position.VirtualBufferPosition;
int movedBy = caretStartingColumn - CaretColumn;
if (movedBy % IndentSize != 0)
{
// We moved less than a full tab stop length. Only allow this if the cursor started in the middle of a full tab
for (int i = 0; i < IndentSize; i++)
{
if (Caret.Position.BufferPosition.Add(i).GetChar() != ' ')
{
caretNewPosition = null;
Caret.MoveTo(caretStartingPosition); // Do not align on non-exact tab stops
break;
}
}
if (caretNewPosition != null)
{
Caret.MoveTo(caretNewPosition.Value); // Go back to original new position
}
}
Caret.EnsureVisible();
}
public override void OnDrag(PointerEventData eventData)
{
Vector2 localMousePos = EditableText.MousePositionInTextRect(eventData);
if (localMousePos.y < EditableText.DisplayRect.yMin)
{
Caret.MoveTo(EditableText.LineDownIndex(true, Caret.GetIndex()), true);
UpdateText();
}
else if (localMousePos.y > EditableText.DisplayRect.yMax)
{
Caret.MoveTo(EditableText.LineUpIndex(true, Caret.GetIndex()), true);
UpdateText();
}
else
{
Caret.MoveTo(EditableText.RelativeIndexFromPosition(localMousePos) + _drawStart, true);
InputFieldController.MarkGeometryAsDirty();
}
eventData.Use();
}
private void MoveCaretToNextTabStop()
{
var caretStartingPosition = Caret.Position.VirtualBufferPosition;
var caretStartingColumn = CaretColumn;
var lastCaretColumn = -1;
while (CaretColumn % IndentSize != 0 && CaretCharIsASpace)
{
if (CaretColumn <= lastCaretColumn)
{
break; // Prevent infinite loop in box selection
}
lastCaretColumn = CaretColumn;
Caret.MoveToNextCaretPosition();
}
if (CaretColumn % IndentSize != 0)
{
Caret.MoveTo(caretStartingPosition); // Do not align on non-exact tab stops
}
Caret.EnsureVisible();
}
private void MoveCaretWithinBounds(int index, bool withSelection)
{
index = Mathf.Clamp(index, 0, TextValue.Length);
Caret.MoveTo(index, withSelection);
}
private void MoveCaretToVirtualPosition(int pos)
{
Caret.MoveTo(new VirtualSnapshotPoint(_snapshotLine, pos));
Caret.EnsureVisible();
}
