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Replaced per-update letter index sorting with lazy sort on read.

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This commit is contained in:
23rd
2026-08-23 12:45:36 +03:00
parent b4695ef706
commit b4ecfa44e5
3 changed files with 29 additions and 16 deletions
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28
Telegram/SourceFiles/dialogs/dialogs_indexed_list.cpp
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@@ -33,6 +33,7 @@ RowsByLetter IndexedList::addToEnd(Key key) {
}
result.letters.emplace(ch, j->second.addToEnd(key));
}
++_dateVersion;
return result;
}
@@ -54,11 +55,7 @@ Row *IndexedList::addByName(Key key) {
void IndexedList::adjustByDate(const RowsByLetter &links) {
_list.adjustByDate(links.main);
for (const auto &[ch, row] : links.letters) {
if (auto it = _index.find(ch); it != _index.cend()) {
it->second.adjustByDate(row);
}
}
++_dateVersion;
}
bool IndexedList::updateHeights(float64 narrowRatio) {
@@ -71,11 +68,7 @@ bool IndexedList::updateHeight(Key key, float64 narrowRatio) {
void IndexedList::moveToTop(Key key) {
if (_list.moveToTop(key)) {
for (const auto &ch : key.entry()->chatListFirstLetters()) {
if (auto it = _index.find(ch); it != _index.cend()) {
it->second.moveToTop(key);
}
}
++_dateVersion;
}
}
@@ -192,6 +185,7 @@ void IndexedList::adjustNames(
history->addChatListEntryByLetter(filterId, ch, row);
}
}
++_dateVersion;
}
void IndexedList::freeze() {
@@ -223,6 +217,20 @@ void IndexedList::clear() {
_index.clear();
}
const List *IndexedList::filtered(QChar ch) const {
const auto i = _index.find(ch);
if (i == _index.end()) {
return nullptr;
}
auto &list = i->second;
if (_sortMode == SortMode::Date
&& list.dateOrderVersion() != _dateVersion) {
list.sortByDate();
list.markDateOrderVersion(_dateVersion);
}
return &list;
}
std::vector<not_null<Row*>> IndexedList::filtered(
const QStringList &words) const {
const auto minimal = [&]() -> const Dialogs::List* {