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feat: save selected search text after scrolling up

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This commit is contained in:
TriKriSta 2019-08-22 15:11:18 +03:00
parent 76679de2e0
commit a6a0481ddc
4 changed files with 33 additions and 24 deletions
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2
src/chatlog/chatlog.cpp
View File

@ -683,7 +683,7 @@ void ChatLog::scrollToLine(ChatLine::Ptr line)
workerStb = false;
} else {
updateSceneRect();
verticalScrollBar()->setValue(line->sceneBoundingRect().top()); // NOTE: start here
verticalScrollBar()->setValue(line->sceneBoundingRect().top());
}
}

2
src/model/ichatlog.h
View File

@ -70,7 +70,7 @@ struct SearchPos
struct SearchResult
{
bool found;
bool found{false};
SearchPos pos;
size_t start;
size_t len;

48
src/widget/form/genericchatform.cpp
View File

@ -685,7 +685,11 @@ void GenericChatForm::loadHistoryTo(const QDateTime &time)
}
if (begin != end) {
if (searchResult.found == true) {
renderMessages(begin, searchResult.pos.logIdx, [this]{enableSearchText();});
} else {
renderMessages(begin, end);
}
} else {
chatWidget->setScroll(true);
}
@ -730,13 +734,23 @@ void GenericChatForm::removeLastsMessages(const int num)
void GenericChatForm::disableSearchText()
{
auto msgIt = messages.find(searchPos.logIdx);
auto msgIt = messages.find(searchResult.pos.logIdx);
if (msgIt != messages.end()) {
auto text = qobject_cast<Text*>(msgIt->second->getContent(1));
text->deselectText();
}
}
void GenericChatForm::enableSearchText()
{
auto msg = messages.at(searchResult.pos.logIdx);
chatWidget->scrollToLine(msg);
auto text = qobject_cast<Text*>(msg->getContent(1));
text->visibilityChanged(true);
text->selectText(searchResult.exp, std::make_pair(searchResult.start, searchResult.len));
}
void GenericChatForm::clearChatArea()
{
clearChatArea(/* confirm = */ true, /* inform = */ true);
@ -933,6 +947,7 @@ void GenericChatForm::onExportChat()
void GenericChatForm::onSearchTriggered()
{
if (searchForm->isHidden()) {
searchResult.found = false;
searchForm->removeSearchPhrase();
}
disableSearchText();
@ -962,27 +977,27 @@ void GenericChatForm::searchInBegin(const QString& phrase, const ParameterSearch
switch (parameter.period) {
case PeriodSearch::WithTheFirst: {
bForwardSearch = true;
searchPos.logIdx = chatLog.getFirstIdx();
searchPos.numMatches = 0;
searchResult.pos.logIdx = chatLog.getFirstIdx();
searchResult.pos.numMatches = 0;
break;
}
case PeriodSearch::WithTheEnd:
case PeriodSearch::None: {
bForwardSearch = false;
searchPos.logIdx = chatLog.getNextIdx();
searchPos.numMatches = 0;
searchResult.pos.logIdx = chatLog.getNextIdx();
searchResult.pos.numMatches = 0;
break;
}
case PeriodSearch::AfterDate: {
bForwardSearch = true;
searchPos.logIdx = firstItemAfterDate(parameter.time.date(), chatLog);
searchPos.numMatches = 0;
searchResult.pos.logIdx = firstItemAfterDate(parameter.time.date(), chatLog);
searchResult.pos.numMatches = 0;
break;
}
case PeriodSearch::BeforeDate: {
bForwardSearch = false;
searchPos.logIdx = firstItemAfterDate(parameter.time.date(), chatLog);
searchPos.numMatches = 0;
searchResult.pos.logIdx = firstItemAfterDate(parameter.time.date(), chatLog);
searchResult.pos.numMatches = 0;
break;
}
}
@ -996,13 +1011,13 @@ void GenericChatForm::searchInBegin(const QString& phrase, const ParameterSearch
void GenericChatForm::onSearchUp(const QString& phrase, const ParameterSearch& parameter)
{
auto result = chatLog.searchBackward(searchPos, phrase, parameter);
auto result = chatLog.searchBackward(searchResult.pos, phrase, parameter);
handleSearchResult(result, SearchDirection::Up);
}
void GenericChatForm::onSearchDown(const QString& phrase, const ParameterSearch& parameter)
{
auto result = chatLog.searchForward(searchPos, phrase, parameter);
auto result = chatLog.searchForward(searchResult.pos, phrase, parameter);
if (result.found && result.pos.logIdx.get() > messages.end()->first.get()) {
const auto dt = chatLog.at(result.pos.logIdx).getTimestamp();
@ -1021,18 +1036,11 @@ void GenericChatForm::handleSearchResult(SearchResult result, SearchDirection di
disableSearchText();
searchPos = result.pos;
searchResult = result;
auto const firstRenderedIdx = (messages.empty()) ? chatLog.getNextIdx() : messages.begin()->first;
renderMessages(searchPos.logIdx, firstRenderedIdx, [this, result] {
auto msg = messages.at(searchPos.logIdx);
chatWidget->scrollToLine(msg);
auto text = qobject_cast<Text*>(msg->getContent(1));
text->visibilityChanged(true);
text->selectText(result.exp, std::make_pair(result.start, result.len));
});
renderMessages(searchResult.pos.logIdx, firstRenderedIdx, [this]{enableSearchText();});
}
void GenericChatForm::renderMessage(ChatLogIdx idx)

3
src/widget/form/genericchatform.h
View File

@ -156,6 +156,7 @@ protected:
virtual void resizeEvent(QResizeEvent* event) final override;
virtual bool eventFilter(QObject* object, QEvent* event) final override;
void disableSearchText();
void enableSearchText();
bool searchInText(const QString& phrase, const ParameterSearch& parameter, SearchDirection direction);
std::pair<int, int> indexForSearchInLine(const QString& txt, const QString& phrase, const ParameterSearch& parameter, SearchDirection direction);
@ -198,7 +199,7 @@ protected:
IChatLog& chatLog;
IMessageDispatcher& messageDispatcher;
SearchPos searchPos;
SearchResult searchResult;
std::map<ChatLogIdx, ChatMessage::Ptr> messages;
bool colorizeNames = false;
};