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Another version of src.pro fun
Another version of src.pro fun
Tero Ahola - - Load All Authors

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r966:69613711a0c3
r1043:812fffe40dcc
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chartview.cpp
89 lines | 2.3 KiB | text/x-c | CppLexer
/ examples / zoomlinechart / chartview.cpp
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Michal Klocek
Add missing files from zoomchart example
 r749 /****************************************************************************
Jani Honkonen
Add/modify license headers
 r830 **
** 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
** $QT_END_LICENSE$
**
****************************************************************************/
Michal Klocek
Add missing files from zoomchart example
 r749
#include "chartview.h"
#include <QMouseEvent>
ChartView::ChartView(QChart *chart, QWidget *parent) :
QChartView(chart, parent), m_rubberBand(QRubberBand::Rectangle, this), m_chart(chart)
{
}
void ChartView::mousePressEvent(QMouseEvent *event)
{
if (event->button() != Qt::LeftButton)
return;
m_origin = event->pos();
m_rubberBand.setGeometry(QRect(m_origin, QSize()));
m_rubberBand.show();
event->accept();
}
void ChartView::mouseMoveEvent(QMouseEvent *event)
{
if (m_rubberBand.isVisible())
m_rubberBand.setGeometry(QRect(m_origin, event->pos()).normalized());
}
void ChartView::mouseReleaseEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton && m_rubberBand.isVisible()) {
m_rubberBand.hide();
QRect rect = m_rubberBand.geometry();
m_chart->zoomIn(rect);
event->accept();
}
if (event->button() == Qt::RightButton) {
m_chart->zoomOut();
}
}
Tero Ahola
Tuning zoom example (key zooming was removed from QChartView)
 r966 //![1]
Michal Klocek
Add missing files from zoomchart example
 r749 void ChartView::keyPressEvent(QKeyEvent *event)
{
switch (event->key()) {
case Qt::Key_Plus:
m_chart->zoomIn();
break;
case Qt::Key_Minus:
m_chart->zoomOut();
break;
Tero Ahola
Tuning zoom example (key zooming was removed from QChartView)
 r966 //![1]
Michal Klocek
Add missing files from zoomchart example
 r749 case Qt::Key_Left:
m_chart->scrollLeft();
break;
case Qt::Key_Right:
m_chart->scrollRight();
break;
case Qt::Key_Up:
m_chart->scrollUp();
break;
case Qt::Key_Down:
m_chart->scrollDown();
break;
default:
QGraphicsView::keyPressEvent(event);
break;
}
}