40a54bf565
Examples should demonstrate best practice, and we can use the keyword directly nowadays. Change-Id: I1f122e5caceca17290757ffbaf3d660e7daa9ae4 Reviewed-by: Topi Reiniö <topi.reinio@theqtcompany.com>
147 lines
4.5 KiB
C++
147 lines
4.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the demonstration applications of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef ARTHURWIDGETS_H
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#define ARTHURWIDGETS_H
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#include "arthurstyle.h"
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#include <QBitmap>
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#include <QPushButton>
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#include <QGroupBox>
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#if defined(QT_OPENGL_SUPPORT)
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#include <QGLWidget>
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#include <QEvent>
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class GLWidget : public QGLWidget
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{
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public:
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GLWidget(QWidget *parent)
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: QGLWidget(QGLFormat(QGL::SampleBuffers), parent)
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{
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setAttribute(Qt::WA_AcceptTouchEvents);
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}
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void disableAutoBufferSwap() { setAutoBufferSwap(false); }
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void paintEvent(QPaintEvent *) override { parentWidget()->update(); }
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protected:
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bool event(QEvent *event) override
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{
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switch (event->type()) {
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case QEvent::TouchBegin:
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case QEvent::TouchUpdate:
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case QEvent::TouchEnd:
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event->ignore();
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return false;
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break;
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default:
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break;
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}
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return QGLWidget::event(event);
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}
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};
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#endif
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QT_FORWARD_DECLARE_CLASS(QTextDocument)
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QT_FORWARD_DECLARE_CLASS(QTextEdit)
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QT_FORWARD_DECLARE_CLASS(QVBoxLayout)
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class ArthurFrame : public QWidget
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{
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Q_OBJECT
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public:
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ArthurFrame(QWidget *parent);
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virtual void paint(QPainter *) {}
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void paintDescription(QPainter *p);
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void loadDescription(const QString &filename);
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void setDescription(const QString &htmlDesc);
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void loadSourceFile(const QString &fileName);
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bool preferImage() const { return m_prefer_image; }
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#if defined(QT_OPENGL_SUPPORT)
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QGLWidget *glWidget() const { return glw; }
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#endif
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public slots:
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void setPreferImage(bool pi) { m_prefer_image = pi; }
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void setDescriptionEnabled(bool enabled);
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void showSource();
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#if defined(QT_OPENGL_SUPPORT)
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void enableOpenGL(bool use_opengl);
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bool usesOpenGL() { return m_use_opengl; }
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#endif
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signals:
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void descriptionEnabledChanged(bool);
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protected:
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void paintEvent(QPaintEvent *) override;
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void resizeEvent(QResizeEvent *) override;
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#if defined(QT_OPENGL_SUPPORT)
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GLWidget *glw;
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bool m_use_opengl;
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#endif
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QPixmap m_tile;
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bool m_show_doc;
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bool m_prefer_image;
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QTextDocument *m_document;
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QString m_sourceFileName;
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};
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#endif
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