protected void InsertCharacter(uint unicodeKey)
{
if (!textEditorData.CanEdit(Data.Caret.Line))
{
return;
}
HideMouseCursor();
using (var undo = Document.OpenUndoGroup()) {
textEditorData.DeleteSelectedText(textEditorData.IsSomethingSelected ? textEditorData.MainSelection.SelectionMode != SelectionMode.Block : true);
char ch = (char)unicodeKey;
if (!char.IsControl(ch) && textEditorData.CanEdit(Caret.Line))
{
LineSegment line = Document.GetLine(Caret.Line);
if (Caret.IsInInsertMode || Caret.Column >= line.EditableLength + 1)
{
string text = Caret.Column > line.EditableLength + 1 ? textEditorData.GetVirtualSpaces(Caret.Line, Caret.Column) + ch.ToString() : ch.ToString();
if (textEditorData.IsSomethingSelected && textEditorData.MainSelection.SelectionMode == SelectionMode.Block)
{
int length = 0;
var visualInsertLocation = editor.LogicalToVisualLocation(Caret.Location);
for (int lineNumber = textEditorData.MainSelection.MinLine; lineNumber <= textEditorData.MainSelection.MaxLine; lineNumber++)
{
LineSegment lineSegment = textEditorData.GetLine(lineNumber);
int insertOffset = lineSegment.GetLogicalColumn(textEditorData, visualInsertLocation.Column) - 1;
string textToInsert;
if (lineSegment.EditableLength < insertOffset)
{
int visualLastColumn = lineSegment.GetVisualColumn(textEditorData, lineSegment.EditableLength + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % editor.Options.TabSize;
textToInsert = new string ('\t', (charsToInsert - spaceCount) / editor.Options.TabSize) + new string (' ', spaceCount) + text;
insertOffset = lineSegment.EditableLength;
}
else
{
textToInsert = text;
}
length = textEditorData.Insert(lineSegment.Offset + insertOffset, textToInsert);
}
Caret.PreserveSelection = true;
Caret.Column += length - 1;
textEditorData.MainSelection.Lead = new DocumentLocation(textEditorData.MainSelection.Lead.Line, Caret.Column + 1);
textEditorData.MainSelection.Anchor = new DocumentLocation(textEditorData.MainSelection.Anchor.Line, Caret.Column + 1);
Document.CommitMultipleLineUpdate(textEditorData.MainSelection.MinLine, textEditorData.MainSelection.MaxLine);
}
else
{
int length = textEditorData.Insert(Caret.Offset, text);
Caret.Column += length - 1;
}
}
else
{
int length = textEditorData.Replace(Caret.Offset, 1, ch.ToString());
if (length > 1)
{
Caret.Offset += length - 1;
}
}
// That causes unnecessary redraws:
// bool autoScroll = Caret.AutoScrollToCaret;
Caret.Column++;
if (Caret.PreserveSelection)
{
Caret.PreserveSelection = false;
}
// Caret.AutoScrollToCaret = autoScroll;
// if (autoScroll)
// Editor.ScrollToCaret ();
// Document.RequestUpdate (new LineUpdate (Caret.Line));
// Document.CommitDocumentUpdate ();
}
}
Document.OptimizeTypedUndo();
}