mirror of
https://github.com/RetroShare/RetroShare.git
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52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
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/****************************************************************
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* This file is distributed under the following license:
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*
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* Copyright (c) 2010, RetroShare Team
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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,
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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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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****************************************************************/
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#include <QPainter>
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#include "RSTreeView.h"
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RSTreeView::RSTreeView(QWidget *parent) : QTreeView(parent)
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{
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}
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void RSTreeView::setPlaceholderText(const QString &text)
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{
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placeholderText = text;
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repaint();
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}
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void RSTreeView::paintEvent(QPaintEvent *event)
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{
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QTreeView::paintEvent(event);
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if (placeholderText.isEmpty() == false && model() && model()->rowCount() == 0) {
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QWidget *vieportWidget = viewport();
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QPainter painter(vieportWidget);
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QPen pen = painter.pen();
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QColor color = pen.color();
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color.setAlpha(128);
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pen.setColor(color);
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painter.setPen(pen);
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painter.drawText(QRect(QPoint(), vieportWidget->size()), Qt::AlignHCenter | Qt::AlignVCenter | Qt::TextWordWrap, placeholderText);
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}
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};
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