diff options
author | Paul Wicking <paul.wicking@qt.io> | 2018-09-12 12:57:33 +0200 |
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committer | Paul Wicking <paul.wicking@qt.io> | 2018-09-14 03:56:22 +0000 |
commit | a62bab95d3adfcd6aab1f32d41750f0c1a5adfe3 (patch) | |
tree | 30a0f95d210d1d7369a3ee73c2785fd1c30f7e80 /examples/touch/knobs/knob.cpp | |
parent | 74700493c33bf8acc2973a6d151be209fd606655 (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.cpp | 98 |
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; -} |