public async Task SelectNextHistoryEntry(int[] linesToSelect, string selectedText, int selectedLineIndex)
{
var input = @"f <- function() {
print(42)
}
g <- function() {
print(7*9)
}
h <- function() {
print(42)
}";
_history.AddToHistory(input);
foreach (var line in linesToSelect)
{
_history.SelectHistoryEntry(line);
}
await DoEvents();
_history.SelectNextHistoryEntry();
await DoEvents();
var selectedSpans = _history.GetSelectedHistoryEntrySpans();
var selectedSpan = selectedSpans.Should().ContainSingle().Which;
selectedSpan.GetText().Should().Be(selectedText);
var selectedTextViewLine = _historyVisualComponent.TextView.TextViewLines.GetTextViewLineContainingBufferPosition(selectedSpan.Start);
selectedTextViewLine.VisibilityState.Should().Be(VisibilityState.FullyVisible);
}
private bool HandleSingleClick(InputEventArgs e, ModifierKeys modifiers)
{
// Don't do anything if there is no history
if (_history.VisualComponent.TextView.TextBuffer.CurrentSnapshot.Length == 0)
{
return(true);
}
var point = GetAdjustedPosition(e, _history.VisualComponent.TextView);
var lineNumber = GetLineNumberUnderPoint(point);
if (lineNumber == -1)
{
return(false);
}
switch (modifiers)
{
case ModifierKeys.None:
_history.ClearHistoryEntrySelection();
_history.SelectHistoryEntry(lineNumber);
return(false);
case ModifierKeys.Control:
_history.VisualComponent.TextView.Selection.Clear();
_history.ToggleHistoryEntrySelection(lineNumber);
return(true);
case ModifierKeys.Shift:
if (_history.HasSelectedEntries)
{
_history.SelectHistoryEntriesRangeTo(lineNumber);
return(true);
}
return(false);
default:
return(false);
}
}