public CircularConfiguration(float tolerance, float resolution, SelectionFlag selectionType)
{
if (tolerance < 0 || tolerance > 1)
throw new ArgumentOutOfRangeException("Should be a percentage");
if (resolution < 0 || resolution > 1)
throw new ArgumentOutOfRangeException("Should be a percentage");
this.Tolerance = tolerance;
this.Resolution = resolution;
this.SelectionType = selectionType;
this.Steps = (int)Math.Round(1 / this.Resolution + 1, 0);
this.MaxSurface = this.Steps * this.Steps;
this.MinSurface = this.Tolerance * this.MaxSurface;
}
/// <summary>
/// Define CircularConfiguration with automatic resolution based on tolerance
/// </summary>
/// <param name="tolerance">Tolerance percentage for selectionType</param>
/// <param name="selectionType"></param>
public CircularConfiguration(float tolerance, SelectionFlag selectionType)
{
if (tolerance < 0 || tolerance > 1)
throw new ArgumentOutOfRangeException("Should be a percentage");
this.Tolerance = tolerance;
this.Resolution = 1f;
this.SelectionType = selectionType;
// Automatic resolution
float factor = tolerance;
while (Math.Floor(factor) != factor)
{
this.Resolution = this.Resolution / 10f;
factor = factor * 10f;
}
// Members
this.Steps = (int)Math.Round(1 / this.Resolution + 1, 0);
this.MaxSurface = this.Steps * this.Steps;
this.MinSurface = this.Tolerance * this.MaxSurface;
}
void SetSelection(int displayIndex, SelectionFlag flag = SelectionFlag.None, int?textCharIndex = null)
{
var dmsg = screenBuffer.Messages[displayIndex];
var msg = dmsg.Message;
var line = GetTextToDisplay(msg).GetNthTextLine(dmsg.TextLineIndex);
int newLineCharIndex;
if ((flag & SelectionFlag.SelectBeginningOfLine) != 0)
{
newLineCharIndex = 0;
}
else if ((flag & SelectionFlag.SelectEndOfLine) != 0)
{
newLineCharIndex = line.Length;
}
else
{
newLineCharIndex = RangeUtils.PutInRange(0, line.Length,
textCharIndex.GetValueOrDefault(selection.First.LineCharIndex));
if ((flag & SelectionFlag.SelectBeginningOfNextWord) != 0)
{
newLineCharIndex = StringUtils.FindNextWordInString(line, newLineCharIndex);
}
else if ((flag & SelectionFlag.SelectBeginningOfPrevWord) != 0)
{
newLineCharIndex = StringUtils.FindPrevWordInString(line, newLineCharIndex);
}
}
tracer.Info("Selecting line {0}. Display position = {1}", msg.GetHashCode(), displayIndex);
bool resetEnd = (flag & SelectionFlag.PreserveSelectionEnd) == 0;
Action doScrolling = () =>
{
if (displayIndex == 0 && screenBuffer.TopLineScrollValue > 1e3)
{
screenBuffer.TopLineScrollValue = 0;
view.Invalidate();
}
if ((flag & SelectionFlag.NoHScrollToSelection) == 0)
{
view.HScrollToSelectedText(selection);
}
view.RestartCursorBlinking();
};
if (selection.First.Message != msg ||
selection.First.DisplayIndex != displayIndex ||
selection.First.LineCharIndex != newLineCharIndex ||
resetEnd != selection.IsEmpty)
{
var oldSelection = selection;
InvalidateTextLineUnderCursor();
var tmp = new CursorPosition()
{
Message = msg,
Source = dmsg.Source,
DisplayIndex = displayIndex,
TextLineIndex = dmsg.TextLineIndex,
LineCharIndex = newLineCharIndex
};
SetSelection(tmp, resetEnd ? tmp : new CursorPosition?());
OnSelectionChanged();
foreach (var displayIndexToInvalidate in oldSelection.GetDisplayIndexesRange().SymmetricDifference(selection.GetDisplayIndexesRange())
.Where(idx => idx < screenBuffer.Messages.Count && idx >= 0))
{
view.InvalidateLine(screenBuffer.Messages[displayIndexToInvalidate].ToViewLine());
}
InvalidateTextLineUnderCursor();
doScrolling();
UpdateSelectionInplaceHighlightingFields();
if (selection.First.Message != oldSelection.First.Message)
{
tracer.Info("focused message changed");
OnFocusedMessageChanged();
OnFocusedMessageBookmarkChanged();
}
else if (selection.First.TextLineIndex != oldSelection.First.TextLineIndex)
{
tracer.Info("focused message's line changed");
OnFocusedMessageBookmarkChanged();
}
}
else if ((flag & SelectionFlag.ScrollToViewEventIfSelectionDidNotChange) != 0)
{
doScrolling();
}
}
void ISelectionManager.SetSelection(int displayIndex, SelectionFlag flag, int?textCharIndex)
{
SetSelection(displayIndex, flag, textCharIndex);
}