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66 lines
1.8 KiB
66 lines
1.8 KiB
7 years ago
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/* BEGIN_COMMON_COPYRIGHT_HEADER
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* (c)LGPL2+
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*
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* LXQt - a lightweight, Qt based, desktop toolset
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* http://lxqt.org
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*
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* Copyright: 2017 LXQt team
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* Authors:
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* Palo Kisa <palo.kisa@gmail.com>
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*
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* This program or library is free software; you can redistribute it
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* and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*
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* END_COMMON_COPYRIGHT_HEADER */
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#if !defined(mylistview_h)
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#define mylistview_h
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#include <QListView>
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#include <QDebug>
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class MyListView : public QListView
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{
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public:
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using QListView::QListView;
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inline void setShownCount(int shownCount)
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{
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mShownCount = shownCount;
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}
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protected:
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virtual QSize viewportSizeHint() const override
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{
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QAbstractItemModel * m = model();
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if (m == nullptr)
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return QSize{};
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QSize s{0, 0};
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for (int i = 0, i_e = qMin(mShownCount, model()->rowCount(QModelIndex{})); i != i_e; ++i)
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{
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const QSize s_i = sizeHintForIndex(m->index(i, 0, QModelIndex{}));
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s.rwidth() = qMax(s.width(), s_i.width());
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s.rheight() += s_i.height();
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}
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return s;
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}
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private:
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int mShownCount = 4;
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};
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#endif // mylistview_h
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