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Add missing files from zoomchart example
Michal Klocek -
r749:ce53fe3e4d3d
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1 /****************************************************************************
2 **
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
9 ** $QT_BEGIN_LICENSE:BSD$
10 ** You may use this file under the terms of the BSD license as follows:
11 **
12 ** "Redistribution and use in source and binary forms, with or without
13 ** modification, are permitted provided that the following conditions are
14 ** met:
15 ** * Redistributions of source code must retain the above copyright
16 ** notice, this list of conditions and the following disclaimer.
17 ** * Redistributions in binary form must reproduce the above copyright
18 ** notice, this list of conditions and the following disclaimer in
19 ** the documentation and/or other materials provided with the
20 ** distribution.
21 ** * Neither the name of Digia nor the names of its contributors
22 ** may be used to endorse or promote products derived from this
23 ** software without specific prior written permission.
24 **
25 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
36 ** $QT_END_LICENSE$
37 **
38 ** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
39 **
40 ****************************************************************************/
41
42 #include "chartview.h"
43 #include <QMouseEvent>
44
45 ChartView::ChartView(QChart *chart, QWidget *parent) :
46 QChartView(chart, parent), m_rubberBand(QRubberBand::Rectangle, this), m_chart(chart)
47 {
48 }
49
50 void ChartView::mousePressEvent(QMouseEvent *event)
51 {
52 if (event->button() != Qt::LeftButton)
53 return;
54
55 m_origin = event->pos();
56 m_rubberBand.setGeometry(QRect(m_origin, QSize()));
57 m_rubberBand.show();
58
59 event->accept();
60 }
61
62 void ChartView::mouseMoveEvent(QMouseEvent *event)
63 {
64 if (m_rubberBand.isVisible())
65 m_rubberBand.setGeometry(QRect(m_origin, event->pos()).normalized());
66 }
67
68 void ChartView::mouseReleaseEvent(QMouseEvent *event)
69 {
70 if (event->button() == Qt::LeftButton && m_rubberBand.isVisible()) {
71 m_rubberBand.hide();
72
73 QRect rect = m_rubberBand.geometry();
74 m_chart->zoomIn(rect);
75 event->accept();
76 }
77
78 if (event->button() == Qt::RightButton) {
79 m_chart->zoomOut();
80 }
81 }
82
83 void ChartView::keyPressEvent(QKeyEvent *event)
84 {
85 switch (event->key()) {
86 case Qt::Key_Plus:
87 m_chart->zoomIn();
88 break;
89 case Qt::Key_Minus:
90 m_chart->zoomOut();
91 break;
92 case Qt::Key_Left:
93 m_chart->scrollLeft();
94 break;
95 case Qt::Key_Right:
96 m_chart->scrollRight();
97 break;
98 case Qt::Key_Up:
99 m_chart->scrollUp();
100 break;
101 case Qt::Key_Down:
102 m_chart->scrollDown();
103 break;
104 default:
105 QGraphicsView::keyPressEvent(event);
106 break;
107 }
108 }
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@@ -0,0 +1,68
1 /****************************************************************************
2 **
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
9 ** $QT_BEGIN_LICENSE:BSD$
10 ** You may use this file under the terms of the BSD license as follows:
11 **
12 ** "Redistribution and use in source and binary forms, with or without
13 ** modification, are permitted provided that the following conditions are
14 ** met:
15 ** * Redistributions of source code must retain the above copyright
16 ** notice, this list of conditions and the following disclaimer.
17 ** * Redistributions in binary form must reproduce the above copyright
18 ** notice, this list of conditions and the following disclaimer in
19 ** the documentation and/or other materials provided with the
20 ** distribution.
21 ** * Neither the name of Digia nor the names of its contributors
22 ** may be used to endorse or promote products derived from this
23 ** software without specific prior written permission.
24 **
25 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
36 ** $QT_END_LICENSE$
37 **
38 ** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
39 **
40 ****************************************************************************/
41
42 #ifndef CHARTVIEW_H
43 #define CHARTVIEW_H
44 #include <QChartView>
45 #include <QRubberBand>
46
47 QTCOMMERCIALCHART_USE_NAMESPACE
48
49 class ChartView : public QChartView
50 {
51 public:
52 ChartView(QChart *chart, QWidget *parent = 0);
53
54 protected:
55 void mousePressEvent(QMouseEvent *event);
56 void mouseMoveEvent(QMouseEvent *event);
57 void mouseReleaseEvent(QMouseEvent *event);
58 void keyPressEvent(QKeyEvent *event);
59
60 private:
61 bool rubberBandIsShown;
62 QRubberBand m_rubberBand;
63 QPoint m_origin;
64 QChart* m_chart;
65
66 };
67
68 #endif
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