private void Terminal_LinesMoved(object sender, LinesMovedEventArgs e)
{
Dispatcher.Invoke(() =>
{
try
{
bool atEnd = VerticalOffset + ViewportHeight == ExtentHeight;
bool historyShifted = history.Count == historySize;
bool addToHistory = historyEnabled && e.OldIndex == 1 && e.NewIndex == 0;
int insertBase = screenIndex + e.AddedLinesIndex;
if (addToHistory)
{
prepareHistory(1);
}
else
{
int removeBase = screenIndex + e.RemovedLinesIndex;
for (int i = Math.Abs(e.NewIndex - e.OldIndex) - 1; i >= 0; --i)
history.RemoveAt(removeBase + i);
}
for (int i = 0; i < Math.Abs(e.NewIndex - e.OldIndex); ++i)
{
var line = terminal.CurrentScreen[e.AddedLinesIndex + i];
if (addToHistory)
history.PushBack(line);
else
history.Insert(insertBase + i, line);
}
if (addToHistory)
{
if (historyShifted)
{
if (!atEnd)
verticalOffset -= 1;
else
{
shiftVisuals(1, 0, terminal.Size.Row - 1);
updateVisuals();
}
}
else if (atEnd)
scrollOwner.ScrollToBottom();
}
else
{
int removeBase = e.RemovedLinesIndex;
insertBase = e.AddedLinesIndex;
for (int i = Math.Abs(e.NewIndex - e.OldIndex) - 1; i >= 0; --i)
{
var visual = visuals[removeBase + i];
if (insertBase > removeBase)
insertBase--;
visuals.RemoveAt(removeBase + i);
visuals.Insert(insertBase + i, recycleVisual(visual));
if (removeBase > insertBase)
removeBase++;
}
verifyVisuals();
updateVisuals();
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex);
}
});
}
private void Terminal_LinesMoved(object sender, LinesMovedEventArgs e)
{
Dispatcher.Invoke(() =>
{
try
{
bool atEnd = VerticalOffset + ViewportHeight == ExtentHeight;
bool historyShifted = history.Count == historySize;
bool addToHistory = historyEnabled && e.OldIndex == 1 && e.NewIndex == 0;
int insertBase = screenIndex + e.AddedLinesIndex;
if (addToHistory)
{
prepareHistory(1);
}
else
{
int removeBase = screenIndex + e.RemovedLinesIndex;
for (int i = Math.Abs(e.NewIndex - e.OldIndex) - 1; i >= 0; --i)
{
history.RemoveAt(removeBase + i);
}
}
for (int i = 0; i < Math.Abs(e.NewIndex - e.OldIndex); ++i)
{
var line = terminal.CurrentScreen[e.AddedLinesIndex + i];
if (addToHistory)
{
history.PushBack(line);
}
else
{
history.Insert(insertBase + i, line);
}
}
if (addToHistory)
{
if (historyShifted)
{
if (!atEnd)
{
verticalOffset -= 1;
}
else
{
shiftVisuals(1, 0, terminal.Size.Row - 1);
updateVisuals();
}
}
else if (atEnd)
{
scrollOwner.ScrollToBottom();
}
}
else
{
int removeBase = e.RemovedLinesIndex;
insertBase = e.AddedLinesIndex;
for (int i = Math.Abs(e.NewIndex - e.OldIndex) - 1; i >= 0; --i)
{
var visual = visuals[removeBase + i];
if (insertBase > removeBase)
{
insertBase--;
}
visuals.RemoveAt(removeBase + i);
visuals.Insert(insertBase + i, recycleVisual(visual));
if (removeBase > insertBase)
{
removeBase++;
}
}
verifyVisuals();
updateVisuals();
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex);
}
});
}
