private void FixCursorPosition(bool back)
{
if (UHelper.IsChinesePart(Coder.CodeManager.GetCodeData(mCursor.Row), mCursor.Col))
{
if (back)
{
mCursor.Col--;
}
else
{
mCursor.Col++;
}
}
if (mCursor.Col < mRenderStartCol)
{
mRenderStartCol = mCursor.Col;
}
if (mCursor.Col >= mRenderStartCol + mRenderSize.Col)
{
mRenderStartCol = mCursor.Col - mRenderSize.Col + 1;
}
if (mCursor.Row < mRenderStartRow)
{
mRenderStartRow = mCursor.Row;
}
if (mCursor.Row > mRenderStartRow + mRenderSize.Row)
{
mRenderStartRow = mCursor.Row - mRenderSize.Row + 1;
}
}
/// <summary>
/// 删除指定位置的一个字符
/// </summary>
/// <param name="pos">开始位置</param>
public void RemoveCharacter(URank pos)
{
if (pos.Row < 0 || pos.Row >= mCodeData.Count)
{
throw new Exception("RemoveCharacter : Row Invalid {" + pos.Row.ToString() + "}");
}
if (pos.Col < 0 || pos.Col >= mCodeData[pos.Row].Count)
{
throw new Exception("RemoveCharacter : Col Invalid {" + pos.Col.ToString() + "}");
}
if (UHelper.IsChinesePart(mCodeData[pos.Row].ToArray(), pos.Col))
{
mCodeData[pos.Row].RemoveRange(pos.Col - 1, 2);
mCoder.SetCursorPos(new URank(pos.Row, pos.Col - 2));
}
else
{
mCodeData[pos.Row].RemoveAt(pos.Col);
mCoder.SetCursorPos(new URank(pos.Row, pos.Col));
}
mCodeLines[pos.Row] = mParser.ParseLine(pos.Row);
}