namespace FooEditEngine
{
- internal enum MoveFlow
+ /// <summary>
+ /// 移動量の単位を表す
+ /// </summary>
+ public enum MoveFlow
{
- Horizontical,
- Vertical,
+ /// <summary>
+ /// 文字
+ /// </summary>
+ Character,
+ /// <summary>
+ /// 単語単位
+ /// </summary>
+ Word,
+ /// <summary>
+ /// 行単位
+ /// </summary>
+ Line,
+ /// <summary>
+ /// パラグラフ単位
+ /// </summary>
+ Paragraph
}
internal enum ScrollDirection
{
this.SelectWithMoveCaret(isSelected);
}
- double noti;
- public void ScrollByPixel(ScrollDirection dir,int delta, bool isSelected, bool withCaret)
+ /// <summary>
+ /// スクロールする
+ /// </summary>
+ /// <param name="dir">方向を指定する</param>
+ /// <param name="delta">ピクセル単位の値でスクロール量を指定する</param>
+ /// <param name="isSelected">選択状態にするなら真</param>
+ /// <param name="withCaret">同時にキャレットを移動させるなら真</param>
+ public void ScrollByPixel(ScrollDirection dir,double delta, bool isSelected, bool withCaret)
{
if (this.Document.FireUpdateEvent == false)
throw new InvalidOperationException("");
if (dir == ScrollDirection.Left || dir == ScrollDirection.Right)
{
- this.Scroll(dir, delta, isSelected, withCaret);
+ this.View.TryScroll(delta, 0);
return;
}
- if(dir == ScrollDirection.Up || dir == ScrollDirection.Down)
+ if(dir == ScrollDirection.Up)
{
- noti += delta;
-
- if (noti < this.View.render.emSize.Height)
- return;
-
- int delta_row = (int)(noti / this.View.render.emSize.Height + 1.0);
-
- noti = 0;
+ this.View.TryScroll(0, -delta);
+ }
+ else if (dir == ScrollDirection.Down)
+ {
+ this.View.TryScroll(0, delta);
+ }
- this.Scroll(dir, delta_row, isSelected, withCaret);
+ if (withCaret)
+ {
+ //カーソルを適切な位置に移動させる必要がある
+ TextPoint tp = this.View.GetTextPointFromPostion(this.View.CaretLocation);
+ this.View.JumpCaret(tp.row, tp.col);
+ this.View.AdjustCaretAndSrc();
+ this.SelectWithMoveCaret(isSelected);
}
+
+ this.Document.SelectGrippers.BottomLeft.MoveByIndex(this.View, this.SelectionStart);
+ this.Document.SelectGrippers.BottomRight.MoveByIndex(this.View, this.SelectionStart + this.SelectionLength);
}
/// <summary>
/// <param name="alignWord">単語単位で移動するなら真。そうでないなら偽</param>
public void MoveCaretHorizontical(int realLength, bool isSelected,bool alignWord = false)
{
- for (int i = Math.Abs(realLength); i > 0; i--)
- {
- bool MoveFlow = realLength > 0;
- if (this.Document.RightToLeft)
- MoveFlow = !MoveFlow;
- this.MoveCaretHorizontical(MoveFlow);
+ TextPoint caret = this.Document.CaretPostion;
+ int moved;
+ caret = GetNextCaret(caret, realLength, alignWord ? MoveFlow.Word : MoveFlow.Character,out moved);
+ this.View.JumpCaret(caret.row, caret.col, false);
+ this.View.AdjustCaretAndSrc(AdjustFlow.Both);
+ this.SelectWithMoveCaret(isSelected);
+ }
- if (alignWord)
- this.AlignNearestWord(MoveFlow);
+ /// <summary>
+ /// 移動後のキャレット位置を求める
+ /// </summary>
+ /// <param name="caret">起点となるキャレット位置</param>
+ /// <param name="count">移動量</param>
+ /// <param name="method">移動方法</param>
+ /// <param name="moved">実際に移動した量</param>
+ /// <returns>移動後のキャレット位置</returns>
+ public TextPoint GetNextCaret(TextPoint caret, int count,MoveFlow method,out int moved)
+ {
+ moved = 0;
+ if(method == MoveFlow.Character || method == MoveFlow.Word)
+ {
+ for (int i = Math.Abs(count); i > 0; i--)
+ {
+ bool moveFlow = count > 0;
+ if (this.Document.RightToLeft)
+ moveFlow = !moveFlow;
+ caret = this.MoveCaretHorizontical(caret, moveFlow);
+
+ if (method == FooEditEngine.MoveFlow.Word)
+ caret = this.AlignNearestWord(caret, moveFlow);
+ moved++;
+ }
}
- this.View.AdjustCaretAndSrc(AdjustFlow.Col);
- this.SelectWithMoveCaret(isSelected);
+ if(method == MoveFlow.Line || method == MoveFlow.Paragraph)
+ {
+ for (int i = Math.Abs(count); i > 0; i--)
+ {
+ caret = this.MoveCaretVertical(caret, count > 0, method == MoveFlow.Paragraph);
+ moved++;
+ }
+ }
+ if (count < 0)
+ moved = -moved;
+ return caret;
}
- void AlignNearestWord(bool MoveFlow)
+ TextPoint AlignNearestWord(TextPoint caret,bool MoveFlow)
{
- string str = this.View.LayoutLines[this.Document.CaretPostion.row];
- while (this.Document.CaretPostion.col > 0 &&
- this.Document.CaretPostion.col < str.Length &&
- str[this.Document.CaretPostion.col] != Document.NewLine)
+ string str = this.View.LayoutLines[caret.row];
+ while (caret.col > 0 &&
+ caret.col < str.Length &&
+ str[caret.col] != Document.NewLine)
{
- if (!Util.IsWordSeparator(str[this.Document.CaretPostion.col]))
+ if (!Util.IsWordSeparator(str[caret.col]))
{
- this.MoveCaretHorizontical(MoveFlow);
+ caret = this.MoveCaretHorizontical(caret, MoveFlow);
}
else
{
if(MoveFlow)
- this.MoveCaretHorizontical(MoveFlow);
+ caret = this.MoveCaretHorizontical(caret, MoveFlow);
break;
}
}
+ return caret;
}
/// <summary>
/// <param name="isSelected"></param>
public void MoveCaretVertical(int deltarow,bool isSelected)
{
- for (int i = Math.Abs(deltarow); i > 0; i--)
- this.MoveCaretVertical(deltarow > 0);
+ TextPoint caret = this.Document.CaretPostion;
+ int moved;
+ caret = this.GetNextCaret(caret, deltarow, MoveFlow.Line,out moved);
+ this.View.JumpCaret(caret.row, caret.col, true);
this.View.AdjustCaretAndSrc(AdjustFlow.Both);
this.SelectWithMoveCaret(isSelected);
}
}
/// <summary>
- /// キャレット位置を既定の位置に戻す
- /// </summary>
- public void ResetCaretPostion()
- {
- this.JumpCaret(0);
- }
-
- /// <summary>
/// 行単位で移動後のキャレット位置を取得する
/// </summary>
/// <param name="count">移動量</param>
/// <param name="current">現在のキャレット位置</param>
+ /// <param name="move_pargraph">パラグラフ単位で移動するなら真</param>
/// <returns>移動後のキャレット位置</returns>
- public TextPoint GetTextPointAfterMoveLine(int count, TextPoint current)
+ public TextPoint GetTextPointAfterMoveLine(int count, TextPoint current, bool move_pargraph = false)
{
- int row = current.row + count;
+ if(this.Document.LineBreak == LineBreakMethod.None || move_pargraph == true)
+ {
+ int row = current.row + count;
- if (row < 0)
- row = 0;
- else if (row >= this.View.LayoutLines.Count)
- row = this.View.LayoutLines.Count - 1;
+ if (row < 0)
+ row = 0;
+ else if (row >= this.View.LayoutLines.Count)
+ row = this.View.LayoutLines.Count - 1;
+
+ row = this.View.AdjustRow(row, count > 0);
- row = this.View.AdjustRow(row, count > 0);
+ Point pos = this.View.LayoutLines.GetLayout(current.row).GetPostionFromIndex(current.col);
+ int col = this.View.LayoutLines.GetLayout(row).GetIndexFromPostion(pos.X, pos.Y);
+ return new TextPoint(row, col);
+ }
+ else
+ {
+ Point pos = this.View.GetPostionFromTextPoint(current);
+ pos.Y += this.View.render.emSize.Height * count;
+ //この値を足さないとうまく動作しない
+ pos.Y += this.View.render.emSize.Height / 2;
+ var new_tp = this.View.GetTextPointFromPostion(pos,TextPointSearchRange.Full);
+ return new_tp;
+
+ }
+ }
- double colpos = this.View.GetColPostionFromIndex(current.row, current.col);
- int col = this.View.GetIndexFromColPostion(row, colpos);
- return new TextPoint(row, col);
+ /// <summary>
+ /// キャレット位置を既定の位置に戻す
+ /// </summary>
+ public void ResetCaretPostion()
+ {
+ this.JumpCaret(0);
}
/// <summary>
/// <summary>
/// キャレットを一文字移動させる
/// </summary>
+ /// <param name="caret">キャレット</param>
/// <param name="isMoveNext">真なら１文字すすめ、そうでなければ戻す</param>
/// <remarks>このメソッドを呼び出した後でScrollToCaretメソッドとSelectWithMoveCaretメソッドを呼び出す必要があります</remarks>
- void MoveCaretHorizontical(bool isMoveNext)
+ TextPoint MoveCaretHorizontical(TextPoint caret,bool isMoveNext)
{
if (this.Document.FireUpdateEvent == false)
throw new InvalidOperationException("");
int delta = isMoveNext ? 0 : -1;
- int prevcol = this.Document.CaretPostion.col;
- int col = this.Document.CaretPostion.col + delta;
- string lineString = this.View.LayoutLines[this.Document.CaretPostion.row];
- if (col < 0 || this.Document.CaretPostion.row >= this.View.LayoutLines.Count)
+ int prevcol = caret.col;
+ int col = caret.col + delta;
+ string lineString = this.View.LayoutLines[caret.row];
+ if (col < 0 || caret.row >= this.View.LayoutLines.Count)
{
- if (this.Document.CaretPostion.row == 0)
+ if (caret.row == 0)
{
- col = 0;
- return;
+ caret.col = 0;
+ return caret;
}
- this.MoveCaretVertical(false);
- this.View.AdjustCaretAndSrc(AdjustFlow.Row); //この段階で調整しないとスクロールされない
- col = this.View.LayoutLines.GetLengthFromLineNumber(this.Document.CaretPostion.row) - 1; //最終行以外はすべて改行コードが付くはず
+ caret = this.MoveCaretVertical(caret,false);
+ caret.col = this.View.LayoutLines.GetLengthFromLineNumber(caret.row) - 1; //最終行以外はすべて改行コードが付くはず
}
else if (col >= lineString.Length || lineString[col] == Document.NewLine)
{
- if (this.Document.CaretPostion.row < this.View.LayoutLines.Count - 1)
+ if (caret.row < this.View.LayoutLines.Count - 1)
{
- this.MoveCaretVertical(true);
- this.View.AdjustCaretAndSrc(AdjustFlow.Row); //この段階で調整しないとスクロールされない
- col = 0;
+ caret = this.MoveCaretVertical(caret, true);
+ caret.col = 0;
}
}
else
{
AlignDirection direction = isMoveNext ? AlignDirection.Forward : AlignDirection.Back;
- col = this.View.LayoutLines.GetLayout(this.Document.CaretPostion.row).AlignIndexToNearestCluster(col, direction);
+ caret.col = this.View.LayoutLines.GetLayout(caret.row).AlignIndexToNearestCluster(col, direction);
}
-
- this.View.JumpCaret(this.Document.CaretPostion.row, col,false);
+ return caret;
}
/// <summary>
/// キャレットを行方向に移動させる
/// </summary>
+ /// <param name="caret">計算の起点となるテキストポイント</param>
/// <param name="isMoveNext">プラス方向に移動するなら真</param>
+ /// <param name="move_pargraph">パラグラフ単位で移動するするなら真</param>
/// <remarks>このメソッドを呼び出した後でScrollToCaretメソッドとSelectWithMoveCaretメソッドを呼び出す必要があります</remarks>
- void MoveCaretVertical(bool isMoveNext)
+ TextPoint MoveCaretVertical(TextPoint caret,bool isMoveNext, bool move_pargraph = false)
{
if (this.Document.FireUpdateEvent == false)
throw new InvalidOperationException("");
- TextPoint nextPoint = this.GetTextPointAfterMoveLine(isMoveNext ? 1 : -1, this.Document.CaretPostion);
-
- this.View.JumpCaret(nextPoint.row, nextPoint.col,false);
+ return this.GetTextPointAfterMoveLine(isMoveNext ? 1 : -1, this.Document.CaretPostion, move_pargraph);
}
private void ReplaceBeforeSelectionArea(SelectCollection Selections, int removeLength, string insertStr)
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