13d7f9b322
Also when in quote mode the valid styles are now transformed to how they look in quote to show they are valid. Clicking quote style again in a quote block will return to paragrpah style from heading now
107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
// SPDX-FileCopyrightText: 2025 James Graham <james.h.graham@protonmail.com>
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// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
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#include "styledelegatehelper.h"
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#include <QQuickTextDocument>
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#include <QTextCursor>
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#include <QTextDocument>
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#include "enums/richformat.h"
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StyleDelegateHelper::StyleDelegateHelper(QObject *parent)
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: QObject(parent)
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{
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}
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QQuickItem *StyleDelegateHelper::textItem() const
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{
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return m_textItem;
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}
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void StyleDelegateHelper::setTextItem(QQuickItem *textItem)
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{
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if (textItem == m_textItem) {
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return;
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}
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m_textItem = textItem;
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if (m_textItem) {
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connect(m_textItem, SIGNAL(styleChanged()), this, SLOT(formatDocument()));
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connect(m_textItem, SIGNAL(styleChanged()), this, SLOT(formatDocument()));
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if (document()) {
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formatDocument();
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}
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}
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Q_EMIT textItemChanged();
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}
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QTextDocument *StyleDelegateHelper::document() const
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{
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if (!m_textItem) {
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return nullptr;
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}
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const auto quickDocument = qvariant_cast<QQuickTextDocument *>(m_textItem->property("textDocument"));
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return quickDocument ? quickDocument->textDocument() : nullptr;
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}
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bool StyleDelegateHelper::inQuote() const
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{
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return m_inQuote;
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}
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void StyleDelegateHelper::setInQuote(bool inQuote)
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{
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if (inQuote == m_inQuote) {
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return;
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}
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m_inQuote = inQuote;
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formatDocument();
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Q_EMIT inQuoteChanged();
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}
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void StyleDelegateHelper::formatDocument()
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{
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if (!document()) {
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return;
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}
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auto cursor = QTextCursor(document());
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if (cursor.isNull()) {
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return;
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}
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cursor.beginEditBlock();
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cursor.select(QTextCursor::Document);
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cursor.removeSelectedText();
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const auto style = static_cast<RichFormat::Format>(m_textItem->property("style").toInt());
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const auto string = RichFormat::styleString(style, m_inQuote);
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const auto sizeText = static_cast<RichFormat::Format>(m_textItem->property("sizeText").toBool());
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const int headingLevel = style <= 6 && sizeText ? style : 0;
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// Apparently, 5 is maximum for FontSizeAdjustment; otherwise level=1 and
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// level=2 look the same
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const int sizeAdjustment = headingLevel > 0 ? 5 - headingLevel : 0;
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QTextBlockFormat blkfmt;
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blkfmt.setHeadingLevel(headingLevel);
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cursor.mergeBlockFormat(blkfmt);
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QTextCharFormat chrfmt;
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chrfmt.setFontWeight(headingLevel > 0 ? QFont::Bold : QFont::Normal);
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chrfmt.setProperty(QTextFormat::FontSizeAdjustment, sizeAdjustment / 2);
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if (style == RichFormat::Code) {
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chrfmt.setFontFamilies({u"monospace"_s});
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} else if (style == RichFormat::Quote) {
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chrfmt.setFontItalic(true);
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}
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cursor.setBlockCharFormat(chrfmt);
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cursor.insertText(string);
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cursor.endEditBlock();
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}
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#include "moc_styledelegatehelper.cpp"
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