##// END OF EJS Templates
HG_REPOSITORIES » LPP » INSTRUMENTATION » USERS » JEANDET » qtcharts
RSS

Clone from http://code.qt.io/qt/qtcharts.git

coding style: foreach whitespace fix
coding style: foreach whitespace fix
Jani Honkonen - - Load All Authors

File last commit:

r2098:46e62d22b0b4
r2100:3436b40b9adb
Show More
chart.cpp
63 lines | 1.9 KiB | text/x-c | CppLexer
/ examples / zoomlinechart / chart.cpp
History | Source | Raw |Copy content |Copy permalink
Jani Honkonen
Add gestures support for zoomlinechart example...
 r1187 /****************************************************************************
**
** Copyright (C) 2012 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
#include "chart.h"
#include <QGesture>
#include <QGraphicsScene>
#include <QGraphicsView>
Chart::Chart(QGraphicsItem *parent, Qt::WindowFlags wFlags)
Jani Honkonen
coding style fixes for examples
 r2098 : QChart(parent, wFlags)
Jani Honkonen
Add gestures support for zoomlinechart example...
 r1187 {
// Seems that QGraphicsView (QChartView) does not grab gestures.
// They can only be grabbed here in the QGraphicsWidget (QChart).
grabGesture(Qt::PanGesture);
grabGesture(Qt::PinchGesture);
}
Chart::~Chart()
{
}
Jani Honkonen
zoomlinechart example: update docs and series data
 r1388 //![1]
Jani Honkonen
Add gestures support for zoomlinechart example...
 r1187 bool Chart::sceneEvent(QEvent *event)
{
if (event->type() == QEvent::Gesture)
return gestureEvent(static_cast<QGestureEvent*>(event));
return QChart::event(event);
}
bool Chart::gestureEvent(QGestureEvent* event)
{
if (QGesture *gesture = event->gesture(Qt::PanGesture)) {
QPanGesture *pan = static_cast<QPanGesture *>(gesture);
Jani Honkonen
coding style fixes for examples
 r2098 QChart::scroll(pan->delta().x(), pan->delta().y());
Jani Honkonen
Add gestures support for zoomlinechart example...
 r1187 }
if (QGesture *gesture = event->gesture(Qt::PinchGesture)) {
QPinchGesture *pinch = static_cast<QPinchGesture *>(gesture);
if (pinch->changeFlags() & QPinchGesture::ScaleFactorChanged)
Jani Honkonen
zoomlinechart example: update docs and series data
 r1388 QChart::zoom(pinch->scaleFactor());
Jani Honkonen
Add gestures support for zoomlinechart example...
 r1187 }
return true;
}
Jani Honkonen
zoomlinechart example: update docs and series data
 r1388 //![1]