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56 lines
2.3 KiB
C++
56 lines
2.3 KiB
C++
/*******************************************************************************
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* gui/common/RSTextEdit.cpp *
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* *
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* Copyright (C) 2014 RetroShare Team <retroshare.project@gmail.com> *
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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 Affero General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* 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 Affero General Public License for more details. *
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* *
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* You should have received a copy of the GNU Affero General Public License *
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* along with this program. If not, see <https://www.gnu.org/licenses/>. *
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* *
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*******************************************************************************/
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#include <QPainter>
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#include "RSTextEdit.h"
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RSTextEdit::RSTextEdit(QWidget *parent)
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: QTextEdit(parent)
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{
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}
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#if QT_VERSION < 0x050200
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void RSTextEdit::setPlaceholderText(const QString &text)
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{
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mPlaceholderText = text;
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viewport()->repaint();
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}
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void RSTextEdit::paintEvent(QPaintEvent *event)
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{
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QTextEdit::paintEvent(event);
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if (!mPlaceholderText.isEmpty() && document()->isEmpty()) {
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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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const int margin = int(document()->documentMargin());
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painter.drawText(viewport()->rect().adjusted(margin, margin, -margin, -margin), Qt::AlignTop | Qt::TextWordWrap, mPlaceholderText);
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}
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}
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#endif
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