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

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

Adds scrollchart, fixes chartdesigner
Michal Klocek -
r1722:4a02b714acfa
parent child
Show More
Side by Side Unified
Context file:
r1722:4a02b714acfa Loading diff...:
Show file before | Show file after | Hide comments
@@ -0,0 +1,63
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 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
14 **
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
18 **
19 ****************************************************************************/
20
21 #include "chart.h"
22 #include <QGesture>
23 #include <QGraphicsScene>
24 #include <QGraphicsView>
25
26 Chart::Chart(QGraphicsItem *parent, Qt::WindowFlags wFlags)
27 :QChart(parent, wFlags)
28 {
29 // Seems that QGraphicsView (QChartView) does not grab gestures.
30 // They can only be grabbed here in the QGraphicsWidget (QChart).
31 grabGesture(Qt::PanGesture);
32 grabGesture(Qt::PinchGesture);
33 }
34
35 Chart::~Chart()
36 {
37
38 }
39
40 //![1]
41 bool Chart::sceneEvent(QEvent *event)
42 {
43 if (event->type() == QEvent::Gesture)
44 return gestureEvent(static_cast<QGestureEvent*>(event));
45 return QChart::event(event);
46 }
47
48 bool Chart::gestureEvent(QGestureEvent* event)
49 {
50 if (QGesture *gesture = event->gesture(Qt::PanGesture)) {
51 QPanGesture *pan = static_cast<QPanGesture *>(gesture);
52 QChart::scroll(pan->delta().x(),pan->delta().y());
53 }
54
55 if (QGesture *gesture = event->gesture(Qt::PinchGesture)) {
56 QPinchGesture *pinch = static_cast<QPinchGesture *>(gesture);
57 if (pinch->changeFlags() & QPinchGesture::ScaleFactorChanged)
58 QChart::zoom(pinch->scaleFactor());
59 }
60
61 return true;
62 }
63 //![1]
Show file before | Show file after | Hide comments
@@ -0,0 +1,46
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 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
14 **
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
18 **
19 ****************************************************************************/
20
21 #ifndef CHART_H
22 #define CHART_H
23
24 #include <QChart>
25
26 QTCOMMERCIALCHART_USE_NAMESPACE
27
28 //![1]
29 class Chart : public QChart
30 //![1]
31 {
32 public:
33 explicit Chart(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);
34 ~Chart();
35
36 protected:
37 bool sceneEvent(QEvent *event);
38
39 private:
40 bool gestureEvent(QGestureEvent* event);
41
42 private:
43
44 };
45
46 #endif // CHART_H
Show file before | Show file after | Hide comments
@@ -0,0 +1,111
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 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
14 **
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
18 **
19 ****************************************************************************/
20
21 #include "chartview.h"
22 #include <QMouseEvent>
23 #include <QDebug>
24
25 ChartView::ChartView(QChart *chart, QWidget *parent) :
26 QChartView(chart, parent), m_rubberBand(QRubberBand::Rectangle, this), m_isScrolling(
27 false)
28 {
29 // setRubberBand(QChartView::RectangleRubberBand);
30 this->chart()->setAnimationOptions(QChart::NoAnimation);
31 }
32
33 void ChartView::mousePressEvent(QMouseEvent *event)
34 {
35 if (event->button() == Qt::RightButton) {
36
37 QRectF rect = chart()->plotArea();
38
39 m_origin = event->pos();
40
41 if (!rect.contains(m_origin))
42 return;
43
44 m_rubberBand.setGeometry(QRect(m_origin, QSize()));
45 m_rubberBand.show();
46 }
47
48 if (event->button() == Qt::LeftButton) {
49 m_origin = event->pos();
50 m_isScrolling = true;
51 }
52
53 event->accept();
54 }
55
56 void ChartView::mouseMoveEvent(QMouseEvent *event)
57 {
58 if (m_rubberBand.isVisible())
59 m_rubberBand.setGeometry(QRect(m_origin, event->pos()).normalized());
60
61 if (m_isScrolling) {
62 QPointF delta = m_origin - event->pos();
63 chart()->scroll(delta.x(),-delta.y());
64 m_origin = event->pos();
65 }
66
67 }
68
69 void ChartView::mouseReleaseEvent(QMouseEvent *event)
70 {
71 if (event->button() == Qt::RightButton && m_rubberBand.isVisible()) {
72 m_rubberBand.hide();
73
74 QRect rect = m_rubberBand.geometry();
75 chart()->zoomIn(rect);
76 event->accept();
77 }
78
79 if (event->button() == Qt::LeftButton) {
80 m_isScrolling = false;
81 }
82 }
83
84 //![1]
85 void ChartView::keyPressEvent(QKeyEvent *event)
86 {
87 switch (event->key()) {
88 case Qt::Key_Plus:
89 chart()->zoomIn();
90 break;
91 case Qt::Key_Minus:
92 chart()->zoomOut();
93 break;
94 //![1]
95 case Qt::Key_Left:
96 chart()->scroll(-10, 0);
97 break;
98 case Qt::Key_Right:
99 chart()->scroll(10, 0);
100 break;
101 case Qt::Key_Up:
102 chart()->scroll(0, 10);
103 break;
104 case Qt::Key_Down:
105 chart()->scroll(0, -10);
106 break;
107 default:
108 QGraphicsView::keyPressEvent(event);
109 break;
110 }
111 }
Show file before | Show file after | Hide comments
@@ -0,0 +1,46
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 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
14 **
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
18 **
19 ****************************************************************************/
20
21 #ifndef CHARTVIEW_H
22 #define CHARTVIEW_H
23
24 #include <QChartView>
25 #include <QRubberBand>
26
27 QTCOMMERCIALCHART_USE_NAMESPACE
28
29 class ChartView : public QChartView
30 {
31 public:
32 ChartView(QChart *chart, QWidget *parent = 0);
33 protected:
34 void mousePressEvent(QMouseEvent *event);
35 void mouseMoveEvent(QMouseEvent *event);
36 void mouseReleaseEvent(QMouseEvent *event);
37 void keyPressEvent(QKeyEvent *event);
38
39 private:
40 bool m_isScrolling;
41 bool m_isRubberBandShown;
42 QRubberBand m_rubberBand;
43 QPoint m_origin;
44 };
45
46 #endif
Show file before | Show file after | Hide comments
@@ -0,0 +1,89
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 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
14 **
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
18 **
19 ****************************************************************************/
20
21 #include "chart.h"
22 #include "chartview.h"
23 #include <QApplication>
24 #include <QMainWindow>
25 #include <qmath.h>
26 #include <QBarSeries>
27 #include <QBarSet>
28 #include <QBarCategoriesAxis>
29 #include <QLineSeries>
30 #include <QHorizontalBarSeries>
31
32 QTCOMMERCIALCHART_USE_NAMESPACE
33
34 int main(int argc, char *argv[])
35 {
36 QApplication a(argc, argv);
37
38 QLineSeries* series = new QLineSeries();
39 for (int i = 0; i < 500; i++) {
40 QPointF p((qreal) i, qSin(M_PI / 50 * i) * 100);
41 p.ry() += qrand() % 20;
42 *series << p;
43 }
44
45 QBarSet *set0 = new QBarSet("Jane");
46 QBarSet *set1 = new QBarSet("John");
47 QBarSet *set2 = new QBarSet("Axel");
48 QBarSet *set3 = new QBarSet("Mary");
49 QBarSet *set4 = new QBarSet("Samantha");
50
51 *set0 << 1 << 2 << 3 << 4 << 5 << 6;
52 *set1 << 5 << 0 << 0 << 4 << 0 << 7;
53 *set2 << 3 << 5 << 8 << 13 << 8 << 5;
54 *set3 << 5 << 6 << 7 << 3 << 4 << 5;
55 *set4 << 9 << 7 << 5 << 3 << 1 << 2;
56
57 //QHorizontalBarSeries* series2 = new QHorizontalBarSeries();
58 QBarSeries* series2 = new QBarSeries();
59 series2->append(set0);
60 series2->append(set1);
61 series2->append(set2);
62 series2->append(set3);
63 series2->append(set4);
64
65 Chart* chart = new Chart();
66 // chart->addSeries(series);
67 chart->addSeries(series2);
68 chart->setTitle("Scroll in/out example");
69 chart->legend()->hide();
70 chart->createDefaultAxes();
71
72 QStringList categories;
73 categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
74 QBarCategoriesAxis* axis = new QBarCategoriesAxis();
75 axis->append(categories);
76 chart->setAxisX(axis, series2);
77
78 ChartView* chartView = new ChartView(chart);
79 chartView->setRenderHint(QPainter::Antialiasing);
80
81 QMainWindow window;
82 window.setCentralWidget(chartView);
83 window.resize(400, 300);
84 window.grabGesture(Qt::PanGesture);
85 window.grabGesture(Qt::PinchGesture);
86 window.show();
87
88 return a.exec();
89 }
Show file before | Show file after | Hide comments
@@ -0,0 +1,7
1 !include( ../examples.pri ) {
2 error( "Couldn't find the examples.pri file!" )
3 }
4 TARGET = scrollchart
5 HEADERS += chart.h chartview.h
6
7 SOURCES += main.cpp chart.cpp chartview.cpp
Show file before | Show file after | Hide comments
@@ -28,4 +28,5 SUBDIRS += \
28 28 horizontalstackedbarchart \
29 29 horizontalpercentbarchart \
30 30 donut \
31 donutdrilldown
31 donutdrilldown \
32 scrollchart
Show file before | Show file after | Hide comments
@@ -21,9 +21,9
21 21 #include "engine.h"
22 22 #include <QItemSelectionModel>
23 23 #include <QStandardItemModel>
24 #include <QXYModelMapper>
25 #include <QBarModelMapper>
26 #include <QPieModelMapper>
24 #include <QVXYModelMapper>
25 #include <QHBarModelMapper>
26 #include <QVPieModelMapper>
27 27 #include <QLineSeries>
28 28 #include <QSplineSeries>
29 29 #include <QScatterSeries>
@@ -49,7 +49,6 Engine::~Engine()
49 49 delete m_chart;
50 50 delete m_selection;
51 51 delete m_model;
52
53 52 }
54 53
55 54 void Engine::createModels()
@@ -155,6 +154,8 QList<QAbstractSeries*> Engine::addSeries(QAbstractSeries::SeriesType type)
155 154 break;
156 155 }
157 156 }
157
158 m_chart->createDefaultAxes();
158 159 return result;
159 160 }
160 161
@@ -255,14 +256,13 bool Engine::load(const QString &filename)
255 256
256 257 void Engine::setupXYSeries(QXYSeries *xyseries, const QList<int>& columns, int column, int minRow, int maxRow)
257 258 {
258 xyseries->setModel(m_model);
259 QXYModelMapper* mapper = new QXYModelMapper(xyseries);
260 xyseries->setModelMapper(mapper);
261 mapper->setMapX(columns.first());
262 mapper->setMapY(columns.at(column));
263 mapper->setOrientation(Qt::Vertical);
264 mapper->setFirst(minRow);
265 mapper->setCount(maxRow - minRow + 1);
259 QVXYModelMapper* mapper = new QVXYModelMapper(xyseries);
260 mapper->setSeries(xyseries);
261 mapper->setModel(m_model);
262 mapper->setXColumn(columns.first());
263 mapper->setYColumn(columns.at(column));
264 mapper->setFirstRow(minRow);
265 mapper->setRowCount(maxRow - minRow + 1);
266 266 m_chart->addSeries(xyseries);
267 267 xyseries->setName(QString("Series %1").arg(m_chart->series().count()));
268 268 QObject::connect(xyseries,SIGNAL(clicked(const QPointF&)),this,SIGNAL(selected()));
@@ -277,17 +277,15 void Engine::setupXYSeries(QXYSeries *xyseries, const QList<int>& columns, int c
277 277 m_seriesModelIndex.insert(xyseries,result);
278 278 }
279 279
280 void Engine::setupBarSeries(QBarSeries *bar, const QList<int>& columns, int minRow, int maxRow)
280 void Engine::setupBarSeries(QAbstractBarSeries *bar, const QList<int>& columns, int minRow, int maxRow)
281 281 {
282 bar->setModel(m_model);
283 QBarModelMapper* mapper = new QBarModelMapper(bar);
284 bar->setModelMapper(mapper);
285 mapper->setMapCategories(columns.first());
286 mapper->setMapBarTop(columns.last());
287 mapper->setMapBarBottom(columns.at(1));
288 mapper->setOrientation(Qt::Vertical);
289 mapper->setFirst(minRow);
290 mapper->setCount(maxRow - minRow + 1);
282 QHBarModelMapper* mapper = new QHBarModelMapper(bar);
283 mapper->setSeries(bar);
284 mapper->setModel(m_model);
285 mapper->setFirstColumn(minRow);
286 mapper->setColumnCount(maxRow - minRow + 1);
287 mapper->setFirstBarSetRow(columns.at(1));
288 mapper->setLastBarSetRow(columns.last());
291 289 m_chart->addSeries(bar);
292 290 bar->setName(QString("Series %1").arg(m_chart->series().count()));
293 291
@@ -301,14 +299,13 void Engine::setupBarSeries(QBarSeries *bar, const QList<int>& columns, int minR
301 299
302 300 void Engine::setupPieSeries(QPieSeries *pie, const QList<int>& columns, int minRow, int maxRow)
303 301 {
304 pie->setModel(m_model);
305 QPieModelMapper* mapper = new QPieModelMapper(pie);
306 pie->setModelMapper(mapper);
307 mapper->setMapValues(columns.at(1));
308 mapper->setMapLabels(columns.first());
309 mapper->setOrientation(Qt::Vertical);
310 mapper->setFirst(minRow);
311 mapper->setCount(maxRow - minRow + 1);
302 QVPieModelMapper* mapper = new QVPieModelMapper(pie);
303 mapper->setSeries(pie);
304 mapper->setModel(m_model);
305 mapper->setValuesColumn(columns.at(1));
306 mapper->setLabelsColumn(columns.first());
307 mapper->setFirstRow(minRow);
308 mapper->setRowCount(maxRow - minRow + 1);
312 309 m_chart->addSeries(pie);
313 310 pie->setName(QString("Series %1").arg(m_chart->series().count()));
314 311
@@ -320,22 +317,22 void Engine::setupPieSeries(QPieSeries *pie, const QList<int>& columns, int minR
320 317
321 318 void Engine::setupAreaSeries(QAreaSeries *series, const QList<int>& columns, int minRow, int maxRow)
322 319 {
323 series->lowerSeries()->setModel(m_model);
324 series->upperSeries()->setModel(m_model);
325 QXYModelMapper* umapper = new QXYModelMapper(series);
326 umapper->setMapX(columns.first());
327 umapper->setMapY(columns.at(1));
328 umapper->setOrientation(Qt::Vertical);
329 umapper->setFirst(minRow);
330 umapper->setCount(maxRow - minRow + 1);
331 QXYModelMapper* lmapper = new QXYModelMapper(series);
332 lmapper->setMapX(columns.first());
333 lmapper->setMapY(columns.at(2));
334 lmapper->setOrientation(Qt::Vertical);
335 lmapper->setFirst(minRow);
336 lmapper->setCount(maxRow - minRow + 1);
337 series->upperSeries()->setModelMapper(umapper);
338 series->lowerSeries()->setModelMapper(lmapper);
320 QVXYModelMapper* umapper = new QVXYModelMapper(series);
321 umapper->setSeries(series->upperSeries());
322 umapper->setModel(m_model);
323 umapper->setXColumn(columns.first());
324 umapper->setYColumn(columns.at(1));
325 umapper->setFirstRow(minRow);
326 umapper->setRowCount(maxRow - minRow + 1);
327
328 QVXYModelMapper* lmapper = new QVXYModelMapper(series);
329 lmapper->setSeries(series->lowerSeries());
330 lmapper->setModel(m_model);
331 lmapper->setXColumn(columns.first());
332 lmapper->setYColumn(columns.at(2));
333 lmapper->setFirstRow(minRow);
334 lmapper->setRowCount(maxRow - minRow + 1);
335
339 336 m_chart->addSeries(series);
340 337 series->setName(QString("Series %1").arg(m_chart->series().count()));
341 338
Show file before | Show file after | Hide comments
@@ -32,7 +32,7 class QItemSelectionModel;
32 32 QTCOMMERCIALCHART_BEGIN_NAMESPACE
33 33 class QChart;
34 34 class QXYSeries;
35 class QBarSeries;
35 class QAbstractBarSeries;
36 36 class QPieSeries;
37 37 class QAreaSeries;
38 38 QTCOMMERCIALCHART_END_NAMESPACE
@@ -61,7 +61,7 signals:
61 61 private:
62 62 void createModels();
63 63 void setupXYSeries(QXYSeries *xyseries, const QList<int>& columns, int column, int minRow, int maxRow);
64 void setupBarSeries(QBarSeries *series, const QList<int>& columns, int minRow, int maxRow);
64 void setupBarSeries(QAbstractBarSeries *series, const QList<int>& columns, int minRow, int maxRow);
65 65 void setupPieSeries(QPieSeries *pie, const QList<int>& columns, int minRow, int maxRow);
66 66 void setupAreaSeries(QAreaSeries *series, const QList<int>& columns, int minRow, int maxRow);
67 67
Show file before | Show file after | Hide comments
@@ -6,7 +6,8 TEMPLATE = subdirs
6 6 SUBDIRS += \
7 7 auto \
8 8 chartwidgettest \
9 qmlchartproperties
9 qmlchartproperties \
10 chartdesigner
10 11
11 12 !linux-arm*: {
12 13 SUBDIRS += \
General Comments 0
You need to be logged in to leave comments. Login now