public async Task ToggleHistoryEntriesRangeSelectionDown_AfterRangeSelection(int rangeStart, int rangeEnd, string selectedText)
{
var input = @"f <- function() {
print(42)
}
g <- function() {
print(7*9)
}
h <- function() {
print(42)
}";
_history.AddToHistory(input);
_history.SelectHistoryEntry(rangeStart);
_history.SelectHistoryEntriesRangeTo(rangeEnd);
await DoEvents();
_history.ToggleHistoryEntriesRangeSelectionDown();
await DoEvents();
_history.GetSelectedHistoryEntrySpans().Should().ContainSingle()
.Which.GetText().Should().Be(selectedText);
}
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);
}
}
