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Adding metatype declarations in qml plugin for Qt5...
Adding metatype declarations in qml plugin for Qt5 Not sure why they are needed for Qt5. Definetly NOT needed for Qt4.
Jani Honkonen - - Load All Authors

File last commit:

r2098:46e62d22b0b4
r2257:b97c592cff78
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chartview.cpp
112 lines | 2.8 KiB | text/x-c | CppLexer
/ examples / scrollchart / chartview.cpp
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Michal Klocek
Adds scrollchart, fixes chartdesigner
 r1722 /****************************************************************************
**
** 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 "chartview.h"
#include <QMouseEvent>
#include <QDebug>
ChartView::ChartView(QChart *chart, QWidget *parent) :
Marek Rosa
updated AxisType names
 r1818 QChartView(chart, parent),
m_isScrolling(false),
m_rubberBand(QRubberBand::Rectangle, this)
Michal Klocek
Adds scrollchart, fixes chartdesigner
 r1722 {
// setRubberBand(QChartView::RectangleRubberBand);
this->chart()->setAnimationOptions(QChart::NoAnimation);
}
void ChartView::mousePressEvent(QMouseEvent *event)
{
if (event->button() == Qt::RightButton) {
QRectF rect = chart()->plotArea();
m_origin = event->pos();
if (!rect.contains(m_origin))
return;
m_rubberBand.setGeometry(QRect(m_origin, QSize()));
m_rubberBand.show();
}
if (event->button() == Qt::LeftButton) {
m_origin = event->pos();
m_isScrolling = true;
}
event->accept();
}
void ChartView::mouseMoveEvent(QMouseEvent *event)
{
if (m_rubberBand.isVisible())
m_rubberBand.setGeometry(QRect(m_origin, event->pos()).normalized());
if (m_isScrolling) {
QPointF delta = m_origin - event->pos();
Jani Honkonen
coding style fixes for examples
 r2098 chart()->scroll(delta.x(), -delta.y());
Michal Klocek
Adds scrollchart, fixes chartdesigner
 r1722 m_origin = event->pos();
}
}
void ChartView::mouseReleaseEvent(QMouseEvent *event)
{
if (event->button() == Qt::RightButton && m_rubberBand.isVisible()) {
m_rubberBand.hide();
QRect rect = m_rubberBand.geometry();
chart()->zoomIn(rect);
event->accept();
}
if (event->button() == Qt::LeftButton) {
m_isScrolling = false;
}
}
//![1]
void ChartView::keyPressEvent(QKeyEvent *event)
{
switch (event->key()) {
case Qt::Key_Plus:
chart()->zoomIn();
break;
case Qt::Key_Minus:
chart()->zoomOut();
break;
//![1]
case Qt::Key_Left:
chart()->scroll(-10, 0);
break;
case Qt::Key_Right:
chart()->scroll(10, 0);
break;
case Qt::Key_Up:
chart()->scroll(0, 10);
break;
case Qt::Key_Down:
chart()->scroll(0, -10);
break;
default:
QGraphicsView::keyPressEvent(event);
break;
}
}