##// END OF EJS Templates
Don't reserve space for chart title if it is empty....
Don't reserve space for chart title if it is empty. If title.isEmpty() returns true, chart title is no longer reserved any space. If you want to reserve space for "empty" title in the future, you can do so by specifying e.g. a single space for title. Task-number: QTRD-3480 Change-Id: I5b2b44acf715b3bd9b4243049c4985ca63a4a16d Reviewed-by: Titta Heikkala <titta.heikkala@theqtcompany.com>

File last commit:

r2776:bc1f6aa59d42
r2794:05fa3caa7879
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window.cpp
504 lines | 17.5 KiB | text/x-c | CppLexer
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd
** All rights reserved.
** For any questions to The Qt Company, please use contact form at http://qt.io
**
** This file is part of the Qt Charts module.
**
** 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
** agreement between you and The Qt Company.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.io
**
****************************************************************************/
#include "window.h"
#include "view.h"
#include "grid.h"
#include "charts.h"
#include <QtCharts/QChartView>
#include <QtCharts/QAreaSeries>
#include <QtCharts/QLegend>
#include <QtWidgets/QGridLayout>
#include <QtWidgets/QFormLayout>
#include <QtWidgets/QComboBox>
#include <QtWidgets/QSpinBox>
#include <QtWidgets/QCheckBox>
#include <QtWidgets/QGroupBox>
#include <QtWidgets/QLabel>
#include <QtWidgets/QGraphicsScene>
#include <QtWidgets/QGraphicsLinearLayout>
#include <QtWidgets/QGraphicsProxyWidget>
#include <QtOpenGL/QGLWidget>
#include <QtWidgets/QApplication>
#include <QtCore/QDebug>
#include <QtWidgets/QMenu>
#include <QtWidgets/QPushButton>
Window::Window(const QVariantHash &parameters, QWidget *parent)
: QMainWindow(parent),
m_scene(new QGraphicsScene(this)),
m_view(0),
m_form(0),
m_themeComboBox(0),
m_antialiasCheckBox(0),
m_animatedComboBox(0),
m_legendComboBox(0),
m_templateComboBox(0),
m_viewComboBox(0),
m_openGLCheckBox(0),
m_zoomCheckBox(0),
m_scrollCheckBox(0),
m_baseLayout(new QGraphicsLinearLayout()),
m_menu(createMenu()),
m_template(0),
m_grid(new Grid(-1))
{
createProxyWidgets();
// create layout
QGraphicsLinearLayout *settingsLayout = new QGraphicsLinearLayout();
settingsLayout->setOrientation(Qt::Vertical);
settingsLayout->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
settingsLayout->addItem(m_widgetHash["openGLCheckBox"]);
settingsLayout->addItem(m_widgetHash["antialiasCheckBox"]);
settingsLayout->addItem(m_widgetHash["viewLabel"]);
settingsLayout->addItem(m_widgetHash["viewComboBox"]);
settingsLayout->addItem(m_widgetHash["themeLabel"]);
settingsLayout->addItem(m_widgetHash["themeComboBox"]);
settingsLayout->addItem(m_widgetHash["animationsLabel"]);
settingsLayout->addItem(m_widgetHash["animatedComboBox"]);
settingsLayout->addItem(m_widgetHash["legendLabel"]);
settingsLayout->addItem(m_widgetHash["legendComboBox"]);
settingsLayout->addItem(m_widgetHash["templateLabel"]);
settingsLayout->addItem(m_widgetHash["templateComboBox"]);
settingsLayout->addItem(m_widgetHash["scrollCheckBox"]);
settingsLayout->addItem(m_widgetHash["zoomCheckBox"]);
settingsLayout->addStretch();
m_baseLayout->setOrientation(Qt::Horizontal);
m_baseLayout->addItem(m_grid);
m_baseLayout->addItem(settingsLayout);
m_form = new QGraphicsWidget();
m_form->setLayout(m_baseLayout);
m_scene->addItem(m_form);
m_view = new View(m_scene, m_form);
m_view->setMinimumSize(m_form->minimumSize().toSize());
// Set defaults
m_antialiasCheckBox->setChecked(true);
initializeFromParamaters(parameters);
updateUI();
if(!m_category.isEmpty() && !m_subcategory.isEmpty() && !m_name.isEmpty())
m_grid->createCharts(m_category,m_subcategory,m_name);
handleGeometryChanged();
setCentralWidget(m_view);
connectSignals();
}
Window::~Window()
{
}
void Window::connectSignals()
{
QObject::connect(m_form, SIGNAL(geometryChanged()), this , SLOT(handleGeometryChanged()));
QObject::connect(m_viewComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
QObject::connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
QObject::connect(m_antialiasCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
QObject::connect(m_openGLCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
QObject::connect(m_zoomCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
QObject::connect(m_scrollCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
QObject::connect(m_animatedComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
QObject::connect(m_legendComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
QObject::connect(m_templateComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
QObject::connect(m_grid, SIGNAL(chartSelected(QChart*)), this, SLOT(handleChartSelected(QChart*)));
}
void Window::createProxyWidgets()
{
m_themeComboBox = createThemeBox();
m_viewComboBox = createViewBox();
m_antialiasCheckBox = new QCheckBox(tr("Anti-aliasing"));
m_animatedComboBox = createAnimationBox();
m_legendComboBox = createLegendBox();
m_openGLCheckBox = new QCheckBox(tr("OpenGL"));
m_zoomCheckBox = new QCheckBox(tr("Zoom"));
m_scrollCheckBox = new QCheckBox(tr("Scroll"));
m_templateComboBox = createTempleteBox();
m_widgetHash["viewLabel"] = m_scene->addWidget(new QLabel("View"));
m_widgetHash["viewComboBox"] = m_scene->addWidget(m_viewComboBox);
m_widgetHash["themeComboBox"] = m_scene->addWidget(m_themeComboBox);
m_widgetHash["antialiasCheckBox"] = m_scene->addWidget(m_antialiasCheckBox);
m_widgetHash["animatedComboBox"] = m_scene->addWidget(m_animatedComboBox);
m_widgetHash["legendComboBox"] = m_scene->addWidget(m_legendComboBox);
m_widgetHash["openGLCheckBox"] = m_scene->addWidget(m_openGLCheckBox);
m_widgetHash["themeLabel"] = m_scene->addWidget(new QLabel("Theme"));
m_widgetHash["animationsLabel"] = m_scene->addWidget(new QLabel("Animations"));
m_widgetHash["legendLabel"] = m_scene->addWidget(new QLabel("Legend"));
m_widgetHash["templateLabel"] = m_scene->addWidget(new QLabel("Chart template"));
m_widgetHash["templateComboBox"] = m_scene->addWidget(m_templateComboBox);
m_widgetHash["zoomCheckBox"] = m_scene->addWidget(m_zoomCheckBox);
m_widgetHash["scrollCheckBox"] = m_scene->addWidget(m_scrollCheckBox);
}
QComboBox *Window::createThemeBox()
{
QComboBox *themeComboBox = new ComboBox(this);
themeComboBox->addItem("Light", QChart::ChartThemeLight);
themeComboBox->addItem("Blue Cerulean", QChart::ChartThemeBlueCerulean);
themeComboBox->addItem("Dark", QChart::ChartThemeDark);
themeComboBox->addItem("Brown Sand", QChart::ChartThemeBrownSand);
themeComboBox->addItem("Blue NCS", QChart::ChartThemeBlueNcs);
themeComboBox->addItem("High Contrast", QChart::ChartThemeHighContrast);
themeComboBox->addItem("Blue Icy", QChart::ChartThemeBlueIcy);
themeComboBox->addItem("Qt", QChart::ChartThemeQt);
return themeComboBox;
}
QComboBox *Window::createViewBox()
{
QComboBox *viewComboBox = new ComboBox(this);
viewComboBox->addItem("1 chart", 1);
viewComboBox->addItem("4 charts", 2);
viewComboBox->addItem("9 charts", 3);
viewComboBox->addItem("16 charts", 4);
return viewComboBox;
}
QComboBox *Window::createAnimationBox()
{
QComboBox *animationComboBox = new ComboBox(this);
animationComboBox->addItem("No Animations", QChart::NoAnimation);
animationComboBox->addItem("GridAxis Animations", QChart::GridAxisAnimations);
animationComboBox->addItem("Series Animations", QChart::SeriesAnimations);
animationComboBox->addItem("All Animations", QChart::AllAnimations);
return animationComboBox;
}
QComboBox *Window::createLegendBox()
{
QComboBox *legendComboBox = new ComboBox(this);
legendComboBox->addItem("No Legend ", 0);
legendComboBox->addItem("Legend Top", Qt::AlignTop);
legendComboBox->addItem("Legend Bottom", Qt::AlignBottom);
legendComboBox->addItem("Legend Left", Qt::AlignLeft);
legendComboBox->addItem("Legend Right", Qt::AlignRight);
return legendComboBox;
}
QComboBox *Window::createTempleteBox()
{
QComboBox *templateComboBox = new ComboBox(this);
templateComboBox->addItem("No Template", 0);
Charts::ChartList list = Charts::chartList();
QMultiMap<QString, Chart *> categoryMap;
foreach (Chart *chart, list)
categoryMap.insertMulti(chart->category(), chart);
foreach (const QString &category, categoryMap.uniqueKeys())
templateComboBox->addItem(category, category);
return templateComboBox;
}
void Window::initializeFromParamaters(const QVariantHash &parameters)
{
if (parameters.contains("view")) {
int t = parameters["view"].toInt();
for (int i = 0; i < m_viewComboBox->count(); ++i) {
if (m_viewComboBox->itemData(i).toInt() == t) {
m_viewComboBox->setCurrentIndex(i);
break;
}
}
}
if (parameters.contains("chart")) {
QString t = parameters["chart"].toString();
QRegExp rx("([a-zA-Z0-9_]*)::([a-zA-Z0-9_]*)::([a-zA-Z0-9_]*)");
int pos = rx.indexIn(t);
if (pos > -1) {
m_category = rx.cap(1);
m_subcategory = rx.cap(2);
m_name = rx.cap(3);
m_templateComboBox->setCurrentIndex(0);
}
else {
for (int i = 0; i < m_templateComboBox->count(); ++i) {
if (m_templateComboBox->itemText(i) == t) {
m_templateComboBox->setCurrentIndex(i);
break;
}
}
}
}
if (parameters.contains("opengl")) {
bool checked = parameters["opengl"].toBool();
m_openGLCheckBox->setChecked(checked);
}
if (parameters.contains("theme")) {
QString t = parameters["theme"].toString();
for (int i = 0; i < m_themeComboBox->count(); ++i) {
if (m_themeComboBox->itemText(i) == t) {
m_themeComboBox->setCurrentIndex(i);
break;
}
}
}
if (parameters.contains("animation")) {
QString t = parameters["animation"].toString();
for (int i = 0; i < m_animatedComboBox->count(); ++i) {
if (m_animatedComboBox->itemText(i) == t) {
m_animatedComboBox->setCurrentIndex(i);
break;
}
}
}
if (parameters.contains("legend")) {
QString t = parameters["legend"].toString();
for (int i = 0; i < m_legendComboBox->count(); ++i) {
if (m_legendComboBox->itemText(i) == t) {
m_legendComboBox->setCurrentIndex(i);
break;
}
}
}
}
void Window::updateUI()
{
checkView();
checkTemplate();
checkOpenGL();
checkTheme();
checkAnimationOptions();
checkLegend();
checkState();
}
void Window::checkView()
{
int count(m_viewComboBox->itemData(m_viewComboBox->currentIndex()).toInt());
if(m_grid->size()!=count){
m_grid->setSize(count);
m_template = 0;
}
}
void Window::checkLegend()
{
Qt::Alignment alignment(m_legendComboBox->itemData(m_legendComboBox->currentIndex()).toInt());
if (!alignment) {
foreach (QChart *chart, m_grid->charts())
chart->legend()->hide();
} else {
foreach (QChart *chart, m_grid->charts()) {
chart->legend()->setAlignment(alignment);
chart->legend()->show();
}
}
}
void Window::checkOpenGL()
{
bool opengl = m_openGLCheckBox->isChecked();
bool isOpengl = qobject_cast<QGLWidget *>(m_view->viewport());
if ((isOpengl && !opengl) || (!isOpengl && opengl)) {
m_view->deleteLater();
m_view = new View(m_scene, m_form);
m_view->setViewport(!opengl ? new QWidget() : new QGLWidget());
setCentralWidget(m_view);
}
bool antialias = m_antialiasCheckBox->isChecked();
if (opengl)
m_view->setRenderHint(QPainter::HighQualityAntialiasing, antialias);
else
m_view->setRenderHint(QPainter::Antialiasing, antialias);
}
void Window::checkAnimationOptions()
{
QChart::AnimationOptions options(
m_animatedComboBox->itemData(m_animatedComboBox->currentIndex()).toInt());
QList<QChart *> charts = m_grid->charts();
if (!charts.isEmpty() && charts.at(0)->animationOptions() != options) {
foreach (QChart *chart, charts)
chart->setAnimationOptions(options);
}
}
void Window::checkState()
{
bool scroll = m_scrollCheckBox->isChecked();
if (m_grid->state() != Grid::ScrollState && scroll) {
m_grid->setState(Grid::ScrollState);
m_zoomCheckBox->setChecked(false);
} else if (!scroll && m_grid->state() == Grid::ScrollState) {
m_grid->setState(Grid::NoState);
}
bool zoom = m_zoomCheckBox->isChecked();
if (m_grid->state() != Grid::ZoomState && zoom) {
m_grid->setState(Grid::ZoomState);
m_scrollCheckBox->setChecked(false);
} else if (!zoom && m_grid->state() == Grid::ZoomState) {
m_grid->setState(Grid::NoState);
}
}
void Window::checkTemplate()
{
int index = m_templateComboBox->currentIndex();
if (m_template == index || index == 0)
return;
m_template = index;
QString category = m_templateComboBox->itemData(index).toString();
m_grid->createCharts(category);
}
void Window::checkTheme()
{
QChart::ChartTheme theme = (QChart::ChartTheme) m_themeComboBox->itemData(
m_themeComboBox->currentIndex()).toInt();
foreach (QChart *chart, m_grid->charts())
chart->setTheme(theme);
QPalette pal = window()->palette();
if (theme == QChart::ChartThemeLight) {
pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
pal.setColor(QPalette::WindowText, QRgb(0x404044));
} else if (theme == QChart::ChartThemeDark) {
pal.setColor(QPalette::Window, QRgb(0x121218));
pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6));
} else if (theme == QChart::ChartThemeBlueCerulean) {
pal.setColor(QPalette::Window, QRgb(0x40434a));
pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6));
} else if (theme == QChart::ChartThemeBrownSand) {
pal.setColor(QPalette::Window, QRgb(0x9e8965));
pal.setColor(QPalette::WindowText, QRgb(0x404044));
} else if (theme == QChart::ChartThemeBlueNcs) {
pal.setColor(QPalette::Window, QRgb(0x018bba));
pal.setColor(QPalette::WindowText, QRgb(0x404044));
} else if (theme == QChart::ChartThemeHighContrast) {
pal.setColor(QPalette::Window, QRgb(0xffab03));
pal.setColor(QPalette::WindowText, QRgb(0x181818));
} else if (theme == QChart::ChartThemeBlueIcy) {
pal.setColor(QPalette::Window, QRgb(0xcee7f0));
pal.setColor(QPalette::WindowText, QRgb(0x404044));
} else if (theme == QChart::ChartThemeQt) {
pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
pal.setColor(QPalette::WindowText, QRgb(0x404044));
} else {
pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
pal.setColor(QPalette::WindowText, QRgb(0x404044));
}
foreach (QGraphicsProxyWidget *widget, m_widgetHash)
widget->setPalette(pal);
m_view->setBackgroundBrush(pal.color((QPalette::Window)));
m_grid->setRubberPen(pal.color((QPalette::WindowText)));
}
void Window::comboBoxFocused(QComboBox *combobox)
{
foreach (QGraphicsProxyWidget *widget , m_widgetHash) {
if (widget->widget() == combobox)
widget->setZValue(2.0);
else
widget->setZValue(0.0);
}
}
void Window::handleChartSelected(QChart *qchart)
{
if (m_templateComboBox->currentIndex() != 0)
return;
QAction *chosen = m_menu->exec(QCursor::pos());
if (chosen) {
Chart *chart = (Chart *) chosen->data().value<void *>();
m_grid->replaceChart(qchart, chart);
updateUI();
}
}
QMenu *Window::createMenu()
{
Charts::ChartList list = Charts::chartList();
QMultiMap<QString, Chart *> categoryMap;
QMenu *result = new QMenu(this);
foreach (Chart *chart, list)
categoryMap.insertMulti(chart->category(), chart);
foreach (const QString &category, categoryMap.uniqueKeys()) {
QMenu *menu(0);
QMultiMap<QString, Chart *> subCategoryMap;
if (category.isEmpty()) {
menu = result;
} else {
menu = new QMenu(category, this);
result->addMenu(menu);
}
foreach (Chart *chart, categoryMap.values(category))
subCategoryMap.insert(chart->subCategory(), chart);
foreach (const QString &subCategory, subCategoryMap.uniqueKeys()) {
QMenu *subMenu(0);
if (subCategory.isEmpty()) {
subMenu = menu;
} else {
subMenu = new QMenu(subCategory, this);
menu->addMenu(subMenu);
}
foreach (Chart *chart, subCategoryMap.values(subCategory)) {
createMenuAction(subMenu, QIcon(), chart->name(),
qVariantFromValue((void *) chart));
}
}
}
return result;
}
QAction *Window::createMenuAction(QMenu *menu, const QIcon &icon, const QString &text,
const QVariant &data)
{
QAction *action = menu->addAction(icon, text);
action->setCheckable(false);
action->setData(data);
return action;
}
void Window::handleGeometryChanged()
{
QSizeF size = m_baseLayout->sizeHint(Qt::MinimumSize);
m_view->scene()->setSceneRect(0, 0, this->width(), this->height());
m_view->setMinimumSize(size.toSize());
}