void InitializeState(HexViewUIState state)
{
if (IsValid(state))
{
HexView.Options.SetOptionValue(DefaultHexViewOptions.ShowOffsetColumnId, state.ShowOffsetColumn);
HexView.Options.SetOptionValue(DefaultHexViewOptions.ShowValuesColumnId, state.ShowValuesColumn);
HexView.Options.SetOptionValue(DefaultHexViewOptions.ShowAsciiColumnId, state.ShowAsciiColumn);
HexView.Options.SetOptionValue(DefaultHexViewOptions.StartPositionId, state.StartPosition);
HexView.Options.SetOptionValue(DefaultHexViewOptions.EndPositionId, state.EndPosition);
HexView.Options.SetOptionValue(DefaultHexViewOptions.BasePositionId, state.BasePosition);
HexView.Options.SetOptionValue(DefaultHexViewOptions.UseRelativePositionsId, state.UseRelativePositions);
HexView.Options.SetOptionValue(DefaultHexViewOptions.OffsetBitSizeId, state.OffsetBitSize);
HexView.Options.SetOptionValue(DefaultHexViewOptions.HexValuesDisplayFormatId, state.HexValuesDisplayFormat);
HexView.Options.SetOptionValue(DefaultHexViewOptions.BytesPerLineId, state.BytesPerLine);
HexView.ViewportLeft = state.ViewportLeft;
HexView.DisplayHexLineContainingBufferPosition(new HexBufferPoint(HexView.Buffer, state.TopLinePosition), state.TopLineVerticalDistance, VSTE.ViewRelativePosition.Top, null, null, DisplayHexLineOptions.CanRecreateBufferLines);
var valuesPos = new HexCellPosition(HexColumnType.Values, new HexBufferPoint(HexView.Buffer, state.ValuesPosition), state.ValuesCellPosition);
var asciiPos = new HexCellPosition(HexColumnType.Ascii, new HexBufferPoint(HexView.Buffer, state.AsciiPosition), 0);
var newPos = new HexColumnPosition(state.ActiveColumn, valuesPos, asciiPos);
// BufferLines could've been recreated, re-verify the new position
if (HexView.BufferLines.IsValidPosition(newPos.ValuePosition.BufferPosition) && HexView.BufferLines.IsValidPosition(newPos.AsciiPosition.BufferPosition))
{
HexView.Caret.MoveTo(newPos);
}
}
else
{
HexView.Caret.MoveTo(HexView.BufferLines.BufferStart);
}
HexView.Selection.Clear();
}
void SetExplicitPosition(HexColumnPosition position)
{
var oldPos = Position;
SetPositionCore(position);
var newPos = Position;
if (oldPos != newPos)
{
PositionChanged?.Invoke(this, new HexCaretPositionChangedEventArgs(hexView, oldPos, newPos));
}
}
void SetPositionCore(HexColumnPosition position)
{
position = Filter(position);
if (currentPosition != position)
{
currentPosition = position;
hexCaretLayer.ActiveColumn = currentPosition.ActiveColumn;
hexCaretLayer.CaretPositionChanged();
if (imeState.CompositionStarted)
{
MoveImeCompositionWindow();
}
}
}
static int?GetLinePosition(HexBufferLine line, HexColumnPosition position)
{
HexCell cell;
switch (position.ActiveColumn)
{
case HexColumnType.Values:
cell = line.ValueCells.GetCell(position.ActivePosition.BufferPosition);
return(cell?.CellSpan.Start + position.ActivePosition.CellPosition);
case HexColumnType.Ascii:
cell = line.AsciiCells.GetCell(position.ActivePosition.BufferPosition);
return(cell?.CellSpan.Start + position.ActivePosition.CellPosition);
case HexColumnType.Offset:
default:
throw new InvalidOperationException();
}
}
public override HexCaretPosition MoveTo(HexColumnPosition position, HexMoveToFlags flags)
{
if (position.IsDefault)
{
throw new ArgumentException();
}
if (!hexView.BufferLines.IsValidPosition(position.ValuePosition.BufferPosition))
{
throw new ArgumentOutOfRangeException(nameof(position));
}
if (!hexView.BufferLines.IsValidPosition(position.AsciiPosition.BufferPosition))
{
throw new ArgumentOutOfRangeException(nameof(position));
}
SetExplicitPosition(position);
if ((flags & HexMoveToFlags.CaptureHorizontalPosition) != 0)
{
SavePreferredXCoordinate();
}
SavePreferredYCoordinate();
return(Position);
}
HexColumnPosition Filter(HexColumnPosition position) => new HexColumnPosition(position.ActiveColumn, Filter(position.ValuePosition), Filter(position.AsciiPosition));
HexViewLine GetLine(HexColumnPosition position) => hexView.GetHexViewLineContainingBufferPosition(position.ActivePosition.BufferPosition);
void InitializeState(HexViewUIState state) {
if (IsValid(state)) {
HexView.Options.SetOptionValue(DefaultHexViewOptions.ShowOffsetColumnId, state.ShowOffsetColumn);
HexView.Options.SetOptionValue(DefaultHexViewOptions.ShowValuesColumnId, state.ShowValuesColumn);
HexView.Options.SetOptionValue(DefaultHexViewOptions.ShowAsciiColumnId, state.ShowAsciiColumn);
HexView.Options.SetOptionValue(DefaultHexViewOptions.StartPositionId, state.StartPosition);
HexView.Options.SetOptionValue(DefaultHexViewOptions.EndPositionId, state.EndPosition);
HexView.Options.SetOptionValue(DefaultHexViewOptions.BasePositionId, state.BasePosition);
HexView.Options.SetOptionValue(DefaultHexViewOptions.UseRelativePositionsId, state.UseRelativePositions);
HexView.Options.SetOptionValue(DefaultHexViewOptions.OffsetBitSizeId, state.OffsetBitSize);
HexView.Options.SetOptionValue(DefaultHexViewOptions.HexValuesDisplayFormatId, state.HexValuesDisplayFormat);
HexView.Options.SetOptionValue(DefaultHexViewOptions.BytesPerLineId, state.BytesPerLine);
HexView.ViewportLeft = state.ViewportLeft;
HexView.DisplayHexLineContainingBufferPosition(new HexBufferPoint(HexView.Buffer, state.TopLinePosition), state.TopLineVerticalDistance, VSTE.ViewRelativePosition.Top, null, null, DisplayHexLineOptions.CanRecreateBufferLines);
var valuesPos = new HexCellPosition(HexColumnType.Values, new HexBufferPoint(HexView.Buffer, state.ValuesPosition), state.ValuesCellPosition);
var asciiPos = new HexCellPosition(HexColumnType.Ascii, new HexBufferPoint(HexView.Buffer, state.AsciiPosition), 0);
var newPos = new HexColumnPosition(state.ActiveColumn, valuesPos, asciiPos);
// BufferLines could've been recreated, re-verify the new position
if (HexView.BufferLines.IsValidPosition(newPos.ValuePosition.BufferPosition) && HexView.BufferLines.IsValidPosition(newPos.AsciiPosition.BufferPosition))
HexView.Caret.MoveTo(newPos);
}
else
HexView.Caret.MoveTo(HexView.BufferLines.BufferStart);
HexView.Selection.Clear();
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="position">Position</param>
public HexCaretPosition(HexColumnPosition position)
{
// Don't throw if position is the default value. Could happen if none of values and ASCII columns are shown.
Position = position;
}
/// <summary> /// Moves the caret to a new position /// </summary> /// <param name="position">Position</param> /// <param name="flags">Flags</param> /// <returns></returns> public abstract HexCaretPosition MoveTo(HexColumnPosition position, HexMoveToFlags flags);
/// <summary> /// Moves the caret to a new position /// </summary> /// <param name="position">Position</param> /// <returns></returns> public HexCaretPosition MoveTo(HexColumnPosition position) => MoveTo(position, HexMoveToFlags.CaptureHorizontalPosition);
/// <summary> /// Constructor /// </summary> /// <param name="position">Position</param> public HexCaretPosition(HexColumnPosition position) =>
/// <summary> /// Moves the caret to a new position /// </summary> /// <param name="position">Position</param> /// <param name="flags">Flags</param> /// <returns></returns> public abstract HexCaretPosition MoveTo(HexColumnPosition position, HexMoveToFlags flags);
/// <summary> /// Moves the caret to a new position /// </summary> /// <param name="position">Position</param> /// <returns></returns> public HexCaretPosition MoveTo(HexColumnPosition position) => MoveTo(position, HexMoveToFlags.CaptureHorizontalPosition);
