123 lines
4.1 KiB
C++
123 lines
4.1 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 test suite module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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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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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "touchwidget.h"
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#include <QApplication>
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#include <QtEvents>
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#include <QTimer>
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#include <QTouchEvent>
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void TouchWidget::reset()
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{
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acceptTouchBegin
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= acceptTouchUpdate
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= acceptTouchEnd
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= seenTouchBegin
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= seenTouchUpdate
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= seenTouchEnd
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= closeWindowOnTouchEnd
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= acceptMousePress
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= acceptMouseMove
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= acceptMouseRelease
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= seenMousePress
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= seenMouseMove
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= seenMouseRelease
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= closeWindowOnMouseRelease
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= false;
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touchPointCount = 0;
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}
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bool TouchWidget::event(QEvent *event)
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{
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switch (event->type()) {
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case QEvent::TouchBegin:
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if (seenTouchBegin) qWarning("TouchBegin: already seen a TouchBegin");
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if (seenTouchUpdate) qWarning("TouchBegin: TouchUpdate cannot happen before TouchBegin");
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if (seenTouchEnd) qWarning("TouchBegin: TouchEnd cannot happen before TouchBegin");
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seenTouchBegin = !seenTouchBegin && !seenTouchUpdate && !seenTouchEnd;
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touchPointCount = qMax(touchPointCount, static_cast<QTouchEvent *>(event)->touchPoints().count());
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if (acceptTouchBegin) {
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event->accept();
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return true;
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}
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break;
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case QEvent::TouchUpdate:
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if (!seenTouchBegin) qWarning("TouchUpdate: have not seen TouchBegin");
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if (seenTouchEnd) qWarning("TouchUpdate: TouchEnd cannot happen before TouchUpdate");
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seenTouchUpdate = seenTouchBegin && !seenTouchEnd;
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touchPointCount = qMax(touchPointCount, static_cast<QTouchEvent *>(event)->touchPoints().count());
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if (acceptTouchUpdate) {
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event->accept();
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return true;
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}
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break;
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case QEvent::TouchEnd:
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if (!seenTouchBegin) qWarning("TouchEnd: have not seen TouchBegin");
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if (seenTouchEnd) qWarning("TouchEnd: already seen a TouchEnd");
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seenTouchEnd = seenTouchBegin && !seenTouchEnd;
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touchPointCount = qMax(touchPointCount, static_cast<QTouchEvent *>(event)->touchPoints().count());
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if (closeWindowOnTouchEnd)
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window()->close();
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if (acceptTouchEnd) {
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event->accept();
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return true;
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}
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break;
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case QEvent::MouseButtonPress:
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case QEvent::MouseButtonDblClick:
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seenMousePress = true;
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if (acceptMousePress) {
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event->accept();
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return true;
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}
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break;
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case QEvent::MouseMove:
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seenMouseMove = true;
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if (acceptMouseMove) {
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event->accept();
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return true;
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}
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break;
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case QEvent::MouseButtonRelease:
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seenMouseRelease = true;
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if (closeWindowOnMouseRelease)
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window()->close();
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if (acceptMouseRelease) {
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event->accept();
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return true;
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}
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break;
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default:
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break;
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}
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return QWidget::event(event);
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}
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