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Code Issues Releases Wiki Activity

Moved FindSearchQueryHighlight to use as util.

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This commit is contained in:
23rd
2025-08-07 18:19:32 +03:00
parent eb7976a2ef
commit a28f113105
2 changed files with 64 additions and 53 deletions
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109
Telegram/SourceFiles/history/view/history_view_element.cpp
View File

@@ -101,59 +101,6 @@ Element *MousedElement/* = nullptr*/;
return session->tryResolveWindow(); return session->tryResolveWindow();
} }
[[nodiscard]] TextSelection FindSearchQueryHighlight(
const QString &text,
const QString &query) {
const auto lower = query.toLower();
const auto inside = text.toLower();
const auto find = [&](QStringView part) {
auto skip = 0;
if (const auto from = inside.indexOf(part, skip); from >= 0) {
if (!from || !inside[from - 1].isLetterOrNumber()) {
return int(from);
}
skip = from + 1;
}
return -1;
};
if (const auto from = find(lower); from >= 0) {
const auto till = from + query.size();
if (till >= inside.size() || !inside[till].isLetterOrNumber()) {
return { uint16(from), uint16(till) };
}
}
const auto tillEndOfWord = [&](int from) {
for (auto till = from + 1; till != inside.size(); ++till) {
if (!inside[till].isLetterOrNumber()) {
return TextSelection{ uint16(from), uint16(till) };
}
}
return TextSelection{ uint16(from), uint16(inside.size()) };
};
const auto words = QStringView(lower).split(
QRegularExpression(
u"[\\W]"_q,
QRegularExpression::UseUnicodePropertiesOption),
Qt::SkipEmptyParts);
for (const auto &word : words) {
const auto length = int(word.size());
const auto cut = length / 2;
const auto part = word.mid(0, length - cut);
const auto offset = find(part);
if (offset < 0) {
continue;
}
for (auto i = 0; i != cut; ++i) {
const auto part = word.mid(0, length - i);
if (const auto from = find(part); from >= 0) {
return tillEndOfWord(from);
}
}
return tillEndOfWord(offset);
}
return {};
}
[[nodiscard]] TextSelection ApplyModificationsFrom( [[nodiscard]] TextSelection ApplyModificationsFrom(
TextSelection result, TextSelection result,
const Ui::Text::String &text) { const Ui::Text::String &text) {
@@ -2528,4 +2475,60 @@ Window::SessionController *ExtractController(const ClickContext &context) {
return nullptr; return nullptr;
} }
TextSelection FindSearchQueryHighlight(
const QString &text,
const QString &query) {
const auto lower = query.toLower();
return FindSearchQueryHighlight(text, QStringView(lower));
}
TextSelection FindSearchQueryHighlight(
const QString &text,
QStringView lower) {
const auto inside = text.toLower();
const auto find = [&](QStringView part) {
auto skip = 0;
if (const auto from = inside.indexOf(part, skip); from >= 0) {
if (!from || !inside[from - 1].isLetterOrNumber()) {
return int(from);
}
skip = from + 1;
}
return -1;
};
if (const auto from = find(lower); from >= 0) {
const auto till = from + lower.size();
if (till >= inside.size()
|| !(inside.begin() + till)->isLetterOrNumber()) {
return { uint16(from), uint16(till) };
}
}
const auto tillEndOfWord = [&](int from) {
for (auto till = from + 1; till != inside.size(); ++till) {
if (!inside[till].isLetterOrNumber()) {
return TextSelection{ uint16(from), uint16(till) };
}
}
return TextSelection{ uint16(from), uint16(inside.size()) };
};
const auto words = Ui::Text::Words(lower);
for (const auto &word : words) {
const auto length = int(word.size());
const auto cut = length / 2;
const auto part = word.mid(0, length - cut);
const auto offset = find(part);
if (offset < 0) {
continue;
}
for (auto i = 0; i != cut; ++i) {
const auto part = word.mid(0, length - i);
if (const auto from = find(part); from >= 0) {
return tillEndOfWord(from);
}
}
return tillEndOfWord(offset);
}
return {};
}
} // namespace HistoryView } // namespace HistoryView

8
Telegram/SourceFiles/history/view/history_view_element.h
View File

@@ -755,4 +755,12 @@ private:
[[nodiscard]] Window::SessionController *ExtractController( [[nodiscard]] Window::SessionController *ExtractController(
const ClickContext &context); const ClickContext &context);
[[nodiscard]] TextSelection FindSearchQueryHighlight(
const QString &text,
const QString &query);
[[nodiscard]] TextSelection FindSearchQueryHighlight(
const QString &text,
QStringView lower);
} // namespace HistoryView } // namespace HistoryView