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

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

Draw the tick and label on logaxis when tick is exactly at high edge...
Draw the tick and label on logaxis when tick is exactly at high edge Change-Id: I84afe69868a5ffeaf7f3ef6f9682d8a7fcea3872 Reviewed-by: Titta Heikkala <titta.heikkala@theqtcompany.com>
Titta Heikkala - - Load All Authors

File last commit:

r2776:bc1f6aa59d42
r2837:e6f5cbaa5aca
Show More
grid.cpp
299 lines | 8.3 KiB | text/x-c | CppLexer
/ tests / manual / chartviewer / grid.cpp
History | Source | Raw |Copy content |Copy permalink
Michal Klocek
Refactor charviewer...
 r2127 /****************************************************************************
**
Titta Heikkala
Copyright header changes...
 r2776 ** Copyright (C) 2015 The Qt Company Ltd
Michal Klocek
Refactor charviewer...
 r2127 ** All rights reserved.
Titta Heikkala
Copyright header changes...
 r2776 ** For any questions to The Qt Company, please use contact form at http://qt.io
Michal Klocek
Refactor charviewer...
 r2127 **
Titta Heikkala
Updated license headers...
 r2740 ** This file is part of the Qt Charts module.
Michal Klocek
Refactor charviewer...
 r2127 **
Titta Heikkala
Updated license headers...
 r2740 ** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt License Agreement provided with the Software
** or, alternatively, in accordance with the terms contained in a written
Titta Heikkala
Copyright header changes...
 r2776 ** agreement between you and The Qt Company.
Michal Klocek
Refactor charviewer...
 r2127 **
** If you have questions regarding the use of this file, please use
Titta Heikkala
Updated license headers...
 r2740 ** contact form at http://qt.io
Michal Klocek
Refactor charviewer...
 r2127 **
****************************************************************************/
#include "grid.h"
#include "charts.h"
Titta Heikkala
Fix include syntax...
 r2714 #include <QtCharts/QChart>
#include <QtWidgets/QGraphicsGridLayout>
#include <QtWidgets/QGraphicsSceneMouseEvent>
#include <QtCore/QDebug>
Michal Klocek
Refactor charviewer...
 r2127
Jani Honkonen
demos: coding style police make a surprise strike
 r2130 Grid::Grid(int size, QGraphicsItem *parent)
: QGraphicsWidget(parent),
m_listCount(3),
m_valueMax(10),
m_valueCount(7),
m_size(size),
m_dataTable(Model::generateRandomData(m_listCount, m_valueMax, m_valueCount)),
m_state(NoState),
m_currentState(NoState),
m_rubberBand(new QGraphicsRectItem()),
m_gridLayout(new QGraphicsGridLayout())
Michal Klocek
Refactor charviewer...
 r2127 {
setLayout(m_gridLayout);
m_rubberBand->setParentItem(this);
m_rubberBand->setVisible(false);
m_rubberBand->setZValue(2);
}
Grid::~Grid()
{
}
Jani Honkonen
demos: coding style police make a surprise strike
 r2130 void Grid::createCharts(const QString &category)
Michal Klocek
Refactor charviewer...
 r2127 {
clear();
QChart *qchart(0);
Charts::ChartList list = Charts::chartList();
Michal Klocek
Adds view menu to chartviewer
 r2128 if (category.isEmpty()) {
for (int i = 0; i < m_size * m_size; ++i) {
Michal Klocek
Adds chart parser to cherviewer options
 r2135 QChart *chart = new QChart();
chart->setTitle(QObject::tr("Empty"));
Michal Klocek
Adds view menu to chartviewer
 r2128 m_gridLayout->addItem(chart, i / m_size, i % m_size);
m_chartHash[chart] = i;
Michal Klocek
Adds chart parser to cherviewer options
 r2135 m_chartHashRev[i] = chart;
Michal Klocek
Adds view menu to chartviewer
 r2128 }
Jani Honkonen
demos: coding style police make a surprise strike
 r2130 } else {
Michal Klocek
Adds view menu to chartviewer
 r2128 int j = 0;
for (int i = 0; i < list.size(); ++i) {
Chart *chart = list.at(i);
if (chart->category() == category && j < m_size * m_size) {
qchart = list.at(i)->createChart(m_dataTable);
m_gridLayout->addItem(qchart, j / m_size, j % m_size);
m_chartHash[qchart] = j;
Michal Klocek
Adds chart parser to cherviewer options
 r2135 m_chartHashRev[j] = qchart;
Michal Klocek
Adds view menu to chartviewer
 r2128 j++;
}
}
for (; j < m_size * m_size; ++j) {
qchart = new QChart();
qchart->setTitle(QObject::tr("Empty"));
Michal Klocek
Refactor charviewer...
 r2127 m_gridLayout->addItem(qchart, j / m_size, j % m_size);
m_chartHash[qchart] = j;
Michal Klocek
Adds chart parser to cherviewer options
 r2135 m_chartHashRev[j] = qchart;
Michal Klocek
Refactor charviewer...
 r2127 }
}
Michal Klocek
Adds chart parser to cherviewer options
 r2135 m_gridLayout->activate();
}
void Grid::createCharts(const QString &category, const QString &subcategory, const QString &name)
{
clear();
QChart *qchart(0);
Charts::ChartList list = Charts::chartList();
Chart *chart;
//find chart
for (int i = 0; i < list.size(); ++i) {
chart = list.at(i);
if (chart->category() == category &&
chart->subCategory() == subcategory &&
chart->name() == name) {
break;
}
chart = 0;
}
//create charts
for (int j = 0; j < m_size * m_size; ++j) {
if(!chart){
qchart = new QChart();
}else{
qchart = chart->createChart(m_dataTable);
}
qchart->setTitle(QObject::tr("Empty"));
m_gridLayout->addItem(qchart, j / m_size, j % m_size);
m_chartHash[qchart] = j;
m_chartHashRev[j] = qchart;
}
Michal Klocek
Refactor charviewer...
 r2127 m_gridLayout->activate();
}
void Grid::clear()
{
Michal Klocek
Adds chart parser to cherviewer options
 r2135 int count = m_gridLayout->count();
for (int i = 0; i < count; ++i)
m_gridLayout->removeAt(0);
Michal Klocek
Refactor charviewer...
 r2127
qDeleteAll(m_chartHash.keys());
m_chartHash.clear();
Michal Klocek
Adds chart parser to cherviewer options
 r2135 m_chartHashRev.clear();
Michal Klocek
Refactor charviewer...
 r2127 }
Jani Honkonen
demos: coding style police make a surprise strike
 r2130 QList<QChart *> Grid::charts()
Michal Klocek
Refactor charviewer...
 r2127 {
return m_chartHash.keys();
}
void Grid::setState(State state)
{
m_state = state;
}
Michal Klocek
Adds view menu to chartviewer
 r2128 void Grid::setSize(int size)
{
Jani Honkonen
demos: coding style police make a surprise strike
 r2130 if (m_size != size) {
Michal Klocek
Adds chart parser to cherviewer options
 r2135
//remove old;
int count = m_gridLayout->count();
for (int i = 0; i < count; ++i) {
m_gridLayout->removeAt(0);
}
QChart* qchart = 0;
int j = 0;
for (; j < size * size; ++j) {
qchart = m_chartHashRev[j];
if (!qchart){
qchart = new QChart();
qchart->setTitle(QObject::tr("Empty"));
}
m_chartHash[qchart] = j;
m_chartHashRev[j] = qchart;
m_gridLayout->addItem(qchart, j / size, j % size);
}
//delete rest
while (j < m_size * m_size) {
QChart* qchart = m_chartHashRev.take(j);
delete(qchart);
m_chartHash.remove(qchart);
j++;
}
Jani Honkonen
demos: coding style police make a surprise strike
 r2130 m_size = size;
Michal Klocek
Adds view menu to chartviewer
 r2128 }
}
Jani Honkonen
demos: coding style police make a surprise strike
 r2130 void Grid::setRubberPen(const QPen &pen)
Michal Klocek
Refactor charviewer...
 r2127 {
m_rubberBand->setPen(pen);
}
Jani Honkonen
demos: coding style police make a surprise strike
 r2130 void Grid::replaceChart(QChart *oldChart, Chart *newChart)
Michal Klocek
Refactor charviewer...
 r2127 {
int index = m_chartHash[oldChart];
//not in 4.7.2 m_baseLayout->removeItem(qchart);
for (int i = 0; i < m_gridLayout->count(); ++i) {
if (m_gridLayout->itemAt(i) == oldChart) {
m_gridLayout->removeAt(i);
break;
}
}
m_chartHash.remove(oldChart);
Michal Klocek
Adds chart parser to cherviewer options
 r2135 m_chartHashRev.remove(index);
Michal Klocek
Refactor charviewer...
 r2127 QChart *chart = newChart->createChart(m_dataTable);
m_gridLayout->addItem(chart, index / m_size, index % m_size);
m_chartHash[chart] = index;
Michal Klocek
Adds chart parser to cherviewer options
 r2135 m_chartHashRev[index] = chart;
Michal Klocek
Refactor charviewer...
 r2127 delete oldChart;
}
void Grid::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
if (event->button() == Qt::LeftButton) {
m_origin = event->pos();
m_currentState = NoState;
foreach (QChart *chart, charts()) {
QRectF geometryRect = chart->geometry();
QRectF plotArea = chart->plotArea();
plotArea.translate(geometryRect.topLeft());
if (plotArea.contains(m_origin)) {
m_currentState = m_state;
if (m_currentState == NoState) emit chartSelected(chart);
break;
}
}
if (m_currentState == ZoomState) {
m_rubberBand->setRect(QRectF(m_origin, QSize()));
m_rubberBand->setVisible(true);
}
event->accept();
}
if (event->button() == Qt::RightButton) {
m_origin = event->pos();
m_currentState = m_state;
}
}
void Grid::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if (m_currentState != NoState) {
foreach (QChart *chart, charts()) {
QRectF geometryRect = chart->geometry();
QRectF plotArea = chart->plotArea();
plotArea.translate(geometryRect.topLeft());
if (plotArea.contains(m_origin)) {
if (m_currentState == ScrollState) {
QPointF delta = m_origin - event->pos();
chart->scroll(delta.x(), -delta.y());
}
if (m_currentState == ZoomState && plotArea.contains(event->pos()))
m_rubberBand->setRect(QRectF(m_origin, event->pos()).normalized());
break;
}
}
if (m_currentState == ScrollState)
m_origin = event->pos();
event->accept();
}
}
void Grid::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
if (event->button() == Qt::LeftButton) {
if (m_currentState == ZoomState) {
m_rubberBand->setVisible(false);
foreach (QChart *chart, charts()) {
QRectF geometryRect = chart->geometry();
QRectF plotArea = chart->plotArea();
plotArea.translate(geometryRect.topLeft());
if (plotArea.contains(m_origin)) {
QRectF rect = m_rubberBand->rect();
rect.translate(-geometryRect.topLeft());
chart->zoomIn(rect);
break;
}
}
}
m_currentState = NoState;
event->accept();
}
if (event->button() == Qt::RightButton) {
if (m_currentState == ZoomState) {
foreach (QChart *chart, charts()) {
QRectF geometryRect = chart->geometry();
QRectF plotArea = chart->plotArea();
plotArea.translate(geometryRect.topLeft());
if (plotArea.contains(m_origin)) {
chart->zoomOut();
break;
}
}
}
}
}