internal bool ExpandTo(GLine line, int position, RangeType type)
{
line.ExpandBuffer(position + 1);
_disabledTemporary = false;
_state = SelectionState.Expansion;
_forwardDestination._line = line.ID;
_backwardDestination._line = line.ID;
//Debug.WriteLine(String.Format("ExpandTo Line{0} Position{1}", line.ID, position));
switch (type)
{
case RangeType.Char:
_forwardDestination._position = position;
_backwardDestination._position = position;
break;
case RangeType.Word:
_forwardDestination._position = line.FindPrevWordBreak(position) + 1;
_backwardDestination._position = line.FindNextWordBreak(position);
break;
case RangeType.Line:
_forwardDestination._position = 0;
_backwardDestination._position = line.CharLength;
break;
}
return(true);
}
internal bool StartSelection(TerminalPane owner, GLine line, int position, RangeType type, int x, int y)
{
Debug.Assert(owner != null);
Debug.Assert(position >= 0);
line.ExpandBuffer(position + 1);
_disabledTemporary = false;
_owner = owner;
_pivotType = type;
_forwardPivot._line = line.ID;
_backwardPivot._line = line.ID;
_forwardDestination._line = line.ID;
_forwardDestination._position = position;
_backwardDestination._line = line.ID;
_backwardDestination._position = position;
switch (type)
{
case RangeType.Char:
_forwardPivot._position = position;
_backwardPivot._position = position;
break;
case RangeType.Word:
_forwardPivot._position = line.FindPrevWordBreak(position) + 1;
_backwardPivot._position = line.FindNextWordBreak(position);
break;
case RangeType.Line:
_forwardPivot._position = 0;
_backwardPivot._position = line.CharLength;
break;
}
_state = SelectionState.Pivot;
_startX = x;
_startY = y;
return(true);
}
internal bool ExpandTo(GLine line, int position, RangeType type)
{
line.ExpandBuffer(position+1);
_disabledTemporary = false;
_state = SelectionState.Expansion;
_forwardDestination._line = line.ID;
_backwardDestination._line = line.ID;
//Debug.WriteLine(String.Format("ExpandTo Line{0} Position{1}", line.ID, position));
switch(type) {
case RangeType.Char:
_forwardDestination._position = position;
_backwardDestination._position = position;
break;
case RangeType.Word:
_forwardDestination._position = line.FindPrevWordBreak(position)+1;
_backwardDestination._position = line.FindNextWordBreak(position);
break;
case RangeType.Line:
_forwardDestination._position = 0;
_backwardDestination._position = line.CharLength;
break;
}
return true;
}
internal bool StartSelection(TerminalPane owner, GLine line, int position, RangeType type, int x, int y)
{
Debug.Assert(owner!=null);
Debug.Assert(position>=0);
line.ExpandBuffer(position+1);
_disabledTemporary = false;
_owner = owner;
_pivotType = type;
_forwardPivot._line = line.ID;
_backwardPivot._line = line.ID;
_forwardDestination._line = line.ID;
_forwardDestination._position = position;
_backwardDestination._line = line.ID;
_backwardDestination._position = position;
switch(type) {
case RangeType.Char:
_forwardPivot._position = position;
_backwardPivot._position = position;
break;
case RangeType.Word:
_forwardPivot._position = line.FindPrevWordBreak(position)+1;
_backwardPivot._position = line.FindNextWordBreak(position);
break;
case RangeType.Line:
_forwardPivot._position = 0;
_backwardPivot._position = line.CharLength;
break;
}
_state = SelectionState.Pivot;
_startX = x;
_startY = y;
return true;
}
public bool ProcessKey(Keys key)
{
Keys body = key & Keys.KeyCode;
bool shift = (key & Keys.Shift) != Keys.None;
bool control = (key & Keys.Control) != Keys.None;
bool processed = false;
//移動先の行と桁の計算
GLine nextLine = _currentLine;
_document.InvalidateLine(nextLine.ID);
if (body == Keys.Up)
{
if (_currentLine.PrevLine != null)
{
nextLine = _currentLine.PrevLine;
}
_document.InvalidateLine(nextLine.ID);
processed = true;
}
else if (body == Keys.Down)
{
if (_currentLine.NextLine != null)
{
nextLine = _currentLine.NextLine;
}
_document.InvalidateLine(nextLine.ID);
processed = true;
}
else if (body == Keys.PageUp)
{
int n = _currentLine.ID - _owner.Connection.TerminalHeight;
nextLine = n <= _document.FirstLineNumber? _document.FirstLine : _document.FindLine(n);
_document.InvalidateAll();
processed = true;
}
else if (body == Keys.PageDown)
{
int n = _currentLine.ID + _owner.Connection.TerminalHeight;
nextLine = n >= _document.LastLineNumber? _document.LastLine : _document.FindLine(n);
_document.InvalidateAll();
processed = true;
}
int nextPos = _caretPos;
if (body == Keys.Home)
{
nextPos = 0;
processed = true;
}
else if (body == Keys.End)
{
nextPos = _currentLine.CharLength - 1;
processed = true;
}
else if (body == Keys.Left)
{
if (nextPos > 0)
{
if (control)
{
nextPos = _currentLine.FindPrevWordBreak(nextPos - 1) + 1;
}
else
{
nextPos--;
}
}
processed = true;
}
else if (body == Keys.Right)
{
if (nextPos < _currentLine.CharLength - 1)
{
if (control)
{
nextPos = _currentLine.FindNextWordBreak(nextPos + 1);
}
else
{
nextPos++;
}
}
processed = true;
}
//選択領域の調整
TextSelection sel = GEnv.TextSelection;
if (shift && processed)
{
if (sel.IsEmpty)
{
sel.StartSelection(_owner, _currentLine, _caretPos, RangeType.Char, -1, -1);
}
sel.ExpandTo(nextLine, nextPos, RangeType.Char);
}
else if (processed || body == Keys.Menu || body == Keys.ControlKey || body == Keys.ShiftKey)
{
if (processed)
{
sel.Clear();
}
processed = true;
}
else
{
//一般キーの入力があったら即時選択解除
sel.Clear();
}
Debug.Assert(nextLine != null);
_currentLine = nextLine;
_caretPos = nextPos;
return(processed);
}