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authorPaul Wicking <paul.wicking@qt.io>2018-09-12 12:57:33 +0200
committerPaul Wicking <paul.wicking@qt.io>2018-09-14 03:56:22 +0000
commita62bab95d3adfcd6aab1f32d41750f0c1a5adfe3 (patch)
tree30a0f95d210d1d7369a3ee73c2785fd1c30f7e80 /examples/touch/knobs/knob.cpp
parent74700493c33bf8acc2973a6d151be209fd606655 (diff)
Doc: Move touch examples around so they get included in docs
Task-number: QTBUG-59249 Change-Id: I71f1d2e28f0cadbad1d6bcf117198018eaf8e012 Reviewed-by: Topi Reiniƶ <topi.reinio@qt.io>
Diffstat (limited to 'examples/touch/knobs/knob.cpp')
-rw-r--r--examples/touch/knobs/knob.cpp98
1 files changed, 0 insertions, 98 deletions
diff --git a/examples/touch/knobs/knob.cpp b/examples/touch/knobs/knob.cpp
deleted file mode 100644
index 12aaa1e948..0000000000
--- a/examples/touch/knobs/knob.cpp
+++ /dev/null
@@ -1,98 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** 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."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "knob.h"
-
-#include <QBrush>
-#include <QTouchEvent>
-
-Knob::Knob()
- : QGraphicsEllipseItem(-50, -50, 100, 100)
-{
- setAcceptTouchEvents(true);
- setBrush(Qt::lightGray);
-
- QGraphicsEllipseItem *leftItem = new QGraphicsEllipseItem(0, 0, 20, 20, this);
- leftItem->setPos(-40, -10);
- leftItem->setBrush(Qt::darkGreen);
-
- QGraphicsEllipseItem *rightItem = new QGraphicsEllipseItem(0, 0, 20, 20, this);
- rightItem->setPos(20, -10);
- rightItem->setBrush(Qt::darkRed);
-}
-
-bool Knob::sceneEvent(QEvent *event)
-{
- switch (event->type()) {
- case QEvent::TouchBegin:
- case QEvent::TouchUpdate:
- case QEvent::TouchEnd:
- {
- QTouchEvent *touchEvent = static_cast<QTouchEvent *>(event);
-
- if (touchEvent->touchPoints().count() == 2) {
- const QTouchEvent::TouchPoint &touchPoint1 = touchEvent->touchPoints().first();
- const QTouchEvent::TouchPoint &touchPoint2 = touchEvent->touchPoints().last();
-
- QLineF line1(touchPoint1.lastScenePos(), touchPoint2.lastScenePos());
- QLineF line2(touchPoint1.scenePos(), touchPoint2.scenePos());
-
- setTransform(QTransform().rotate(line2.angleTo(line1)), true);
- }
-
- break;
- }
-
- default:
- return QGraphicsItem::sceneEvent(event);
- }
-
- return true;
-}