2011-04-27 10:05:43 +00:00
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/****************************************************************************
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**
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2016-01-15 12:36:27 +00:00
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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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2011-04-27 10:05:43 +00:00
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**
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2013-05-24 13:49:24 +00:00
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** This file is part of the test suite of the Qt Toolkit.
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2011-04-27 10:05:43 +00:00
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**
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2016-01-15 12:36:27 +00:00
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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2012-09-19 12:28:29 +00:00
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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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2015-01-28 08:44:43 +00:00
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** a written agreement between you and The Qt Company. For licensing terms
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2016-01-15 12:36:27 +00:00
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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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2012-09-19 12:28:29 +00:00
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**
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2016-01-15 12:36:27 +00:00
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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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2011-04-27 10:05:43 +00:00
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QApplication>
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#include <QDebug>
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#include <QMouseEvent>
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#include <QTabletEvent>
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2013-06-20 12:25:00 +00:00
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#include <QMainWindow>
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#include <QMenuBar>
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#include <QMenu>
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#include <QAction>
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#include <QStatusBar>
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#include <QVector>
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#include <QPainter>
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#include <QCursor>
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enum TabletPointType {
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TabletButtonPress,
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TabletButtonRelease,
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TabletMove
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};
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struct TabletPoint
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{
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TabletPoint(const QPointF &p = QPointF(), TabletPointType t = TabletMove,
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Qt::MouseButton b = Qt::LeftButton, QTabletEvent::PointerType pt = QTabletEvent::UnknownPointer, qreal prs = 0, qreal rotation = 0) :
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pos(p), type(t), button(b), ptype(pt), pressure(prs), angle(rotation) {}
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QPointF pos;
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TabletPointType type;
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Qt::MouseButton button;
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QTabletEvent::PointerType ptype;
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qreal pressure;
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qreal angle;
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};
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2011-04-27 10:05:43 +00:00
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class EventReportWidget : public QWidget
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{
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Q_OBJECT
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2011-04-27 10:05:43 +00:00
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public:
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EventReportWidget();
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public slots:
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void clearPoints() { m_points.clear(); update(); }
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signals:
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void stats(QString s);
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protected:
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void mouseDoubleClickEvent(QMouseEvent *event) { outputMouseEvent(event); }
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void mouseMoveEvent(QMouseEvent *event) { outputMouseEvent(event); }
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void mousePressEvent(QMouseEvent *event) { outputMouseEvent(event); }
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void mouseReleaseEvent(QMouseEvent *event) { outputMouseEvent(event); }
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void tabletEvent(QTabletEvent *);
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void paintEvent(QPaintEvent *);
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void timerEvent(QTimerEvent *);
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2011-04-27 10:05:43 +00:00
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private:
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void outputMouseEvent(QMouseEvent *event);
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bool m_lastIsMouseMove;
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bool m_lastIsTabletMove;
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Qt::MouseButton m_lastButton;
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QVector<TabletPoint> m_points;
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int m_tabletMoveCount;
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int m_paintEventCount;
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2011-04-27 10:05:43 +00:00
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};
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EventReportWidget::EventReportWidget()
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: m_lastIsMouseMove(false)
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, m_lastIsTabletMove(false)
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, m_lastButton(Qt::NoButton)
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, m_tabletMoveCount(0)
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, m_paintEventCount(0)
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{
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startTimer(1000);
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}
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2011-04-27 10:05:43 +00:00
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void EventReportWidget::paintEvent(QPaintEvent *)
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{
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QPainter p(this);
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2015-03-06 15:05:20 +00:00
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int lineSpacing = fontMetrics().lineSpacing();
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int halfLineSpacing = lineSpacing / 2;
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const QRectF geom = QRectF(QPoint(0, 0), size());
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p.fillRect(geom, Qt::white);
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p.drawRect(QRectF(geom.topLeft(), geom.bottomRight() - QPointF(1,1)));
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p.setPen(Qt::white);
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QPainterPath ellipse;
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ellipse.addEllipse(0, 0, halfLineSpacing * 5, halfLineSpacing);
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foreach (const TabletPoint &t, m_points) {
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if (geom.contains(t.pos)) {
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QPainterPath pp;
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pp.addEllipse(t.pos, halfLineSpacing, halfLineSpacing);
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QRectF pointBounds(t.pos.x() - halfLineSpacing, t.pos.y() - halfLineSpacing, lineSpacing, lineSpacing);
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switch (t.type) {
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case TabletButtonPress:
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p.fillPath(pp, Qt::darkGreen);
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if (t.button != Qt::NoButton)
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p.drawText(pointBounds, Qt::AlignCenter, QString::number(t.button));
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break;
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case TabletButtonRelease:
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p.fillPath(pp, Qt::red);
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if (t.button != Qt::NoButton)
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p.drawText(pointBounds, Qt::AlignCenter, QString::number(t.button));
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break;
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case TabletMove:
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if (t.pressure > 0.0) {
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p.setPen(t.ptype == QTabletEvent::Eraser ? Qt::red : Qt::black);
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if (t.angle != 0.0) {
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p.save();
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p.translate(t.pos);
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p.scale(t.pressure, t.pressure);
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p.rotate(t.angle);
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p.drawPath(ellipse);
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p.restore();
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} else {
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p.drawEllipse(t.pos, t.pressure * halfLineSpacing, t.pressure * halfLineSpacing);
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}
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p.setPen(Qt::white);
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} else {
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p.fillRect(t.pos.x() - 2, t.pos.y() - 2, 4, 4, Qt::black);
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}
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2013-06-20 12:25:00 +00:00
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break;
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}
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}
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}
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2015-08-10 12:43:59 +00:00
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++m_paintEventCount;
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}
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2011-04-27 10:05:43 +00:00
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void EventReportWidget::tabletEvent(QTabletEvent *event)
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{
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2014-06-06 07:43:00 +00:00
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QWidget::tabletEvent(event);
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2015-02-27 13:56:55 +00:00
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bool isMove = false;
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2011-04-27 10:05:43 +00:00
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switch (event->type()) {
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case QEvent::TabletEnterProximity:
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case QEvent::TabletLeaveProximity:
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qDebug() << "proximity" << event;
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break;
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case QEvent::TabletMove:
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m_points.push_back(TabletPoint(event->pos(), TabletMove, m_lastButton, event->pointerType(), event->pressure(), event->rotation()));
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update();
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isMove = true;
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++m_tabletMoveCount;
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2011-04-27 10:05:43 +00:00
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break;
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case QEvent::TabletPress:
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m_points.push_back(TabletPoint(event->pos(), TabletButtonPress, event->button(), event->pointerType(), event->rotation()));
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m_lastButton = event->button();
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update();
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break;
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case QEvent::TabletRelease:
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m_points.push_back(TabletPoint(event->pos(), TabletButtonRelease, event->button(), event->pointerType(), event->rotation()));
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update();
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2011-04-27 10:05:43 +00:00
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break;
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default:
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Q_ASSERT(false);
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break;
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}
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2015-02-27 13:56:55 +00:00
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if (!(isMove && m_lastIsTabletMove)) {
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QDebug d = qDebug();
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d << event << " global position = " << event->globalPos()
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<< " cursor at " << QCursor::pos();
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if (event->button() != Qt::NoButton)
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d << " changed button " << event->button();
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}
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m_lastIsTabletMove = isMove;
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2011-04-27 10:05:43 +00:00
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}
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void EventReportWidget::outputMouseEvent(QMouseEvent *event)
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{
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if (event->type() == QEvent::MouseMove) {
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2011-04-27 10:05:43 +00:00
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if (m_lastIsMouseMove)
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return; // only show one move to keep things readable
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m_lastIsMouseMove = true;
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}
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2015-02-27 13:56:55 +00:00
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qDebug() << event;
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2011-04-27 10:05:43 +00:00
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}
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2015-08-10 12:43:59 +00:00
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void EventReportWidget::timerEvent(QTimerEvent *)
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{
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emit stats(QString("%1 moves/sec, %2 frames/sec").arg(m_tabletMoveCount).arg(m_paintEventCount));
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m_tabletMoveCount = 0;
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m_paintEventCount = 0;
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}
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2011-04-27 10:05:43 +00:00
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int main(int argc, char *argv[])
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{
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QApplication app(argc, argv);
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2013-06-20 12:25:00 +00:00
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QMainWindow mainWindow;
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mainWindow.setWindowTitle(QString::fromLatin1("Tablet Test %1").arg(QT_VERSION_STR));
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EventReportWidget *widget = new EventReportWidget;
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widget->setMinimumSize(640, 480);
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QMenu *fileMenu = mainWindow.menuBar()->addMenu("File");
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QObject::connect(fileMenu->addAction("Clear"), SIGNAL(triggered()), widget, SLOT(clearPoints()));
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QObject::connect(widget, SIGNAL(stats(QString)), mainWindow.statusBar(), SLOT(showMessage(QString)));
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2013-06-20 12:25:00 +00:00
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QAction *quitAction = fileMenu->addAction("Quit");
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QObject::connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
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quitAction->setShortcut(Qt::CTRL + Qt::Key_Q);
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mainWindow.setCentralWidget(widget);
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mainWindow.show();
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2011-04-27 10:05:43 +00:00
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return app.exec();
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}
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2013-06-20 12:25:00 +00:00
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#include "main.moc"
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