27662f9a4a
Create a model for getting line numbers from a QQuickTextDocument and then add them to the MessageSource page
65 lines
1.3 KiB
C++
65 lines
1.3 KiB
C++
// SPDX-FileCopyrightText: 2024 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 "linemodel.h"
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LineModel::LineModel(QObject *parent)
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: QAbstractListModel(parent)
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{
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}
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QQuickTextDocument *LineModel::document() const
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{
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return m_document;
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}
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void LineModel::setDocument(QQuickTextDocument *document)
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{
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if (document == m_document) {
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return;
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}
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m_document = document;
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Q_EMIT documentChanged();
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resetModel();
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}
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QVariant LineModel::data(const QModelIndex &index, int role) const
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{
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if (!index.isValid()) {
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return {};
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}
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const auto &row = index.row();
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if (row < 0 || row > rowCount()) {
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return {};
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}
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if (role == LineHeightRole) {
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auto textDoc = m_document->textDocument();
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return int(textDoc->documentLayout()->blockBoundingRect(textDoc->findBlockByNumber(row)).height());
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}
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return {};
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}
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int LineModel::rowCount(const QModelIndex &parent) const
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{
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Q_UNUSED(parent);
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if (m_document == nullptr) {
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return 0;
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}
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return m_document->textDocument()->blockCount();
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}
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QHash<int, QByteArray> LineModel::roleNames() const
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{
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return {{LineHeightRole, "docLineHeight"}};
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}
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void LineModel::resetModel()
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{
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beginResetModel();
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endResetModel();
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}
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