/**************************************************************************** ** ** Copyright (C) 2017 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the QtSerialBus module. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef PLAINTEXTEDIT_H #define PLAINTEXTEDIT_H #include #include class PlainTextEdit : public QPlainTextEdit { Q_OBJECT Q_DISABLE_COPY(PlainTextEdit) public: explicit PlainTextEdit(QWidget *parent = nullptr) : QPlainTextEdit(parent) {} void keyPressEvent(QKeyEvent *e) { switch (e->key()) { case Qt::Key_Delete: case Qt::Key_Backspace: setTextInteractionFlags(textInteractionFlags() | Qt::TextEditable); QPlainTextEdit::keyPressEvent(e); setTextInteractionFlags(textInteractionFlags() &~ Qt::TextEditable); break; default: QPlainTextEdit::keyPressEvent(e); } } void contextMenuEvent(QContextMenuEvent *event) { QMenu menu(this); menu.addAction(tr("Clear"), this, &QPlainTextEdit::clear); #ifndef QT_NO_CLIPBOARD menu.addAction(tr("Copy"), this, &QPlainTextEdit::copy, QKeySequence::Copy); #endif menu.addSeparator(); menu.addAction(tr("Select All"), this, &QPlainTextEdit::selectAll, QKeySequence::SelectAll); menu.exec(event->globalPos()); } }; #endif // PLAINTEXTEDIT_H