84 lines
3.7 KiB
C++
84 lines
3.7 KiB
C++
// SPDX-FileCopyrightText: 2020 Carl Schwan <carlschwan@kde.org>
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// SPDX-FileCopyrightText: 2025 James Graham <james.h.graham@protonmail.com>
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "chatbarsyntaxhighlighter.h"
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#include "chatbarcache.h"
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#include "chattextitemhelper.h"
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#include "enums/chatbartype.h"
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ChatBarSyntaxHighlighter::ChatBarSyntaxHighlighter(QObject *parent)
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: QSyntaxHighlighter(parent)
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{
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m_theme = static_cast<Kirigami::Platform::PlatformTheme *>(qmlAttachedPropertiesObject<Kirigami::Platform::PlatformTheme>(this, true));
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connect(m_theme, &Kirigami::Platform::PlatformTheme::colorsChanged, this, [this]() {
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m_mentionFormat.setForeground(m_theme->linkColor());
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m_errorFormat.setForeground(m_theme->negativeTextColor());
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});
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m_mentionFormat.setFontWeight(QFont::Bold);
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m_mentionFormat.setForeground(m_theme->linkColor());
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m_errorFormat.setForeground(m_theme->negativeTextColor());
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m_errorFormat.setUnderlineStyle(QTextCharFormat::SpellCheckUnderline);
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connect(m_checker, &Sonnet::BackgroundChecker::misspelling, this, [this](const QString &word, int start) {
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m_errors += {start, word};
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m_checker->continueChecking();
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});
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connect(m_checker, &Sonnet::BackgroundChecker::done, this, [this]() {
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m_rehighlightTimer.start();
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});
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m_rehighlightTimer.setInterval(100);
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m_rehighlightTimer.setSingleShot(true);
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m_rehighlightTimer.callOnTimeout(this, &QSyntaxHighlighter::rehighlight);
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}
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void ChatBarSyntaxHighlighter::highlightBlock(const QString &text)
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{
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if (m_settings.checkerEnabledByDefault()) {
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if (text != m_previousText) {
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m_previousText = text;
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m_checker->stop();
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m_errors.clear();
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m_checker->setText(text);
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}
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for (const auto &error : m_errors) {
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setFormat(error.first, error.second.size(), m_errorFormat);
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}
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}
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if (!room || type == ChatBarType::None) {
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return;
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}
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auto mentions = room->cacheForType(type)->mentions();
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mentions->erase(std::remove_if(mentions->begin(),
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mentions->end(),
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[this](auto &mention) {
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if (document()->toPlainText().isEmpty()) {
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return false;
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}
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if (mention.cursor.position() == 0 && mention.cursor.anchor() == 0) {
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return true;
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}
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if (mention.cursor.position() - mention.cursor.anchor() != mention.text.size()) {
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mention.cursor.setPosition(mention.start);
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mention.cursor.setPosition(mention.cursor.anchor() + mention.text.size(), QTextCursor::KeepAnchor);
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}
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if (mention.cursor.selectedText() != mention.text) {
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return true;
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}
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if (currentBlock() == mention.cursor.block()) {
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mention.start = mention.cursor.anchor();
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mention.position = mention.cursor.position();
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setFormat(mention.cursor.selectionStart(), mention.cursor.selectedText().size(), m_mentionFormat);
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}
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return false;
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}),
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mentions->end());
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}
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