chartview.cpp
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| 2.0 KiB
| text/x-c
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CppLexer
winter
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r0 | /**************************************************************************** | ||
** | ||||
** Copyright (C) 2016 The Qt Company Ltd. | ||||
** Contact: https://www.qt.io/licensing/ | ||||
** | ||||
** This file is part of the Qt Charts module of the Qt Toolkit. | ||||
** | ||||
** $QT_BEGIN_LICENSE:GPL$ | ||||
** 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. | ||||
** | ||||
** GNU General Public License Usage | ||||
** Alternatively, this file may be used under the terms of the GNU | ||||
** General Public License version 3 or (at your option) any later version | ||||
** approved by the KDE Free Qt Foundation. The licenses are as published by | ||||
** the Free Software Foundation and appearing in the file LICENSE.GPL3 | ||||
** included in the packaging of this file. Please review the following | ||||
** information to ensure the GNU General Public License requirements will | ||||
** be met: https://www.gnu.org/licenses/gpl-3.0.html. | ||||
** | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
#include "chartview.h" | ||||
#include <QtGui/QMouseEvent> | ||||
QT_CHARTS_USE_NAMESPACE | ||||
ChartView::ChartView(QWidget *parent) : | ||||
QChartView(parent) | ||||
{ | ||||
} | ||||
void ChartView::keyPressEvent(QKeyEvent *event) | ||||
{ | ||||
switch (event->key()) { | ||||
case Qt::Key_Plus: | ||||
chart()->zoomIn(); | ||||
break; | ||||
case Qt::Key_Minus: | ||||
chart()->zoomOut(); | ||||
break; | ||||
case Qt::Key_Left: | ||||
chart()->scroll(-1.0, 0); | ||||
break; | ||||
case Qt::Key_Right: | ||||
chart()->scroll(1.0, 0); | ||||
break; | ||||
case Qt::Key_Up: | ||||
chart()->scroll(0, 1.0); | ||||
break; | ||||
case Qt::Key_Down: | ||||
chart()->scroll(0, -1.0); | ||||
break; | ||||
default: | ||||
QGraphicsView::keyPressEvent(event); | ||||
break; | ||||
} | ||||
} | ||||