mirror of https://github.com/nextcloud/desktop
58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
/*
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* Copyright (C) by Christian Kamm <mail@ckamm.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "tooltipupdater.h"
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#include <QTreeView>
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#include <QHelpEvent>
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#include <QToolTip>
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using namespace OCC;
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ToolTipUpdater::ToolTipUpdater(QTreeView *treeView)
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: QObject(treeView)
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, _treeView(treeView)
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{
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connect(_treeView->model(), &QAbstractItemModel::dataChanged,
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this, &ToolTipUpdater::dataChanged);
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_treeView->viewport()->installEventFilter(this);
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}
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bool ToolTipUpdater::eventFilter(QObject * /*obj*/, QEvent *ev)
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{
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if (ev->type() == QEvent::ToolTip) {
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auto *helpEvent = dynamic_cast<QHelpEvent *>(ev);
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_toolTipPos = helpEvent->globalPos();
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}
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return false;
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}
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void ToolTipUpdater::dataChanged(const QModelIndex &topLeft,
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const QModelIndex &bottomRight,
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const QVector<int> &roles)
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{
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if (!QToolTip::isVisible() || !roles.contains(Qt::ToolTipRole) || _toolTipPos.isNull()) {
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return;
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}
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// Was it the item under the cursor that changed?
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auto index = _treeView->indexAt(_treeView->mapFromGlobal(QCursor::pos()));
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if (topLeft == bottomRight && index != topLeft) {
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return;
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}
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// Update the currently active tooltip
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QToolTip::showText(_toolTipPos, _treeView->model()->data(index, Qt::ToolTipRole).toString());
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}
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