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MultiTextCursor: Optimize multitextcursor

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- Use map for merging intervals instead 2 times list iteration.
- Time complexity O(nlogn) instead O(n^2)

Change-Id: If65391999e1ff191752447935602fcc9847243fe
Reviewed-by: David Schulz <david.schulz@qt.io>
This commit is contained in:
Artem Sokolovskii
2023-02-03 13:18:59 +01:00
parent 0edcbd8853
commit db720d271d
3 changed files with 256 additions and 194 deletions
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5
src/plugins/texteditor/texteditor.cpp
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@@ -6736,10 +6736,11 @@ MultiTextCursor TextEditorWidget::multiTextCursor() const
void TextEditorWidget::setMultiTextCursor(const Utils::MultiTextCursor &cursor)
{
if (cursor == d->m_cursors)
return;
const MultiTextCursor oldCursor = d->m_cursors;
const_cast<MultiTextCursor &>(d->m_cursors) = cursor;
if (oldCursor == d->m_cursors)
return;
doSetTextCursor(d->m_cursors.mainCursor(), /*keepMultiSelection*/ true);
QRect updateRect = d->cursorUpdateRect(oldCursor);
if (d->m_highlightCurrentLine)