/// <summary>
/// 現在位置の単語を選択する。
/// </summary>
public void SelectWord()
{
if (CurrentLine.IsEmpty)
{
return;
}
var text = CurrentLine.Text;
var charIndex = (Caret.Pos.CharIndex < text.Length) ? Caret.Pos.CharIndex : Caret.Pos.CharIndex - 1;
var currentChar = text[charIndex];
var prevCharIndex = charIndex;
while (0 < prevCharIndex && CharUtil.EqualsWordGroup(currentChar, text[prevCharIndex - 1]))
{
prevCharIndex--;
}
var nextCharIndex = charIndex + 1;
while (nextCharIndex < text.Length && CharUtil.EqualsWordGroup(currentChar, text[nextCharIndex]))
{
nextCharIndex++;
}
ClearSelect();
_anchorPos = new TextPos(Caret.Pos.LineIndex, prevCharIndex);
SetCaretPos(new TextPos(Caret.Pos.LineIndex, nextCharIndex), true, true);
}
/// <summary>
/// 次の単語へ移動。
/// </summary>
public void MoveNextWord(bool isSelect)
{
if (Caret.Pos == CurrentLineEndPos)
{
MoveRight(isSelect);
return;
}
var text = CurrentLine.Text;
var charIndex = Caret.Pos.CharIndex + 1;
while (charIndex < text.Length && CharUtil.EqualsWordGroup(text[charIndex - 1], text[charIndex]))
{
charIndex++;
}
while (charIndex < text.Length && Char.IsWhiteSpace(text[charIndex]))
{
charIndex++;
}
SetCaretPos(new TextPos(Caret.Pos.LineIndex, charIndex), isSelect, true);
}
/// <summary>
/// 前の単語へ移動。
/// </summary>
public void MovePrevWord(bool isSelect)
{
if (Caret.Pos == CurrentLineTopPos)
{
MoveLeft(isSelect);
return;
}
var text = CurrentLine.Text;
var charIndex = Caret.Pos.CharIndex - 1;
while (0 < charIndex && Char.IsWhiteSpace(text[charIndex]))
{
charIndex--;
}
while (0 < charIndex && CharUtil.EqualsWordGroup(text[charIndex], text[charIndex - 1]))
{
charIndex--;
}
SetCaretPos(new TextPos(Caret.Pos.LineIndex, charIndex), isSelect, true);
}