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OSCAR-code/oscar/overview.cpp

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/* Overview GUI Implementation
*
* Copyright (c) 2019-2022 The OSCAR Team
* Copyright (c) 2011-2018 Mark Watkins <mark@jedimark.net>
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of the source code
* for more details. */
#include <QCalendarWidget>
#include <QTextCharFormat>
//#include <QSystemLocale>
#include <QDebug>
#include <QDateTimeEdit>
#include <QCalendarWidget>
#include <QFileDialog>
#include <QMessageBox>
//#include <QProgressBar>
#include "SleepLib/profiles.h"
#include "overview.h"
#include "ui_overview.h"
#include "common_gui.h"
#include "Graphs/gXAxis.h"
#include "Graphs/gLineChart.h"
#include "Graphs/gYAxis.h"
#include "Graphs/gPressureChart.h"
#include "cprogressbar.h"
#include "mainwindow.h"
extern MainWindow *mainwin;
Overview::Overview(QWidget *parent, gGraphView *shared) :
QWidget(parent),
ui(new Ui::Overview),
m_shared(shared)
{
ui->setupUi(this);
// Set Date controls locale to 4 digit years
QLocale locale = QLocale::system();
QString shortformat = locale.dateFormat(QLocale::ShortFormat);
if (!shortformat.toLower().contains("yyyy")) {
shortformat.replace("yy", "yyyy");
}
ui->toggleVisibility->setVisible(false); /* get rid of tiny triangle that disables data display */
ui->dateStart->setDisplayFormat(shortformat);
ui->dateEnd->setDisplayFormat(shortformat);
Qt::DayOfWeek dow = firstDayOfWeekFromLocale();
ui->dateStart->calendarWidget()->setFirstDayOfWeek(dow);
ui->dateEnd->calendarWidget()->setFirstDayOfWeek(dow);
// Stop both calendar drop downs highlighting weekends in red
QTextCharFormat format = ui->dateStart->calendarWidget()->weekdayTextFormat(Qt::Saturday);
format.setForeground(QBrush(COLOR_Black, Qt::SolidPattern));
ui->dateStart->calendarWidget()->setWeekdayTextFormat(Qt::Saturday, format);
ui->dateStart->calendarWidget()->setWeekdayTextFormat(Qt::Sunday, format);
ui->dateEnd->calendarWidget()->setWeekdayTextFormat(Qt::Saturday, format);
ui->dateEnd->calendarWidget()->setWeekdayTextFormat(Qt::Sunday, format);
// Connect the signals to update which days have CPAP data when the month is changed
connect(ui->dateStart->calendarWidget(), SIGNAL(currentPageChanged(int, int)), this, SLOT(dateStart_currentPageChanged(int, int)));
connect(ui->dateEnd->calendarWidget(), SIGNAL(currentPageChanged(int, int)), this, SLOT(dateEnd_currentPageChanged(int, int)));
QVBoxLayout *framelayout = new QVBoxLayout;
ui->graphArea->setLayout(framelayout);
QFrame *border = new QFrame(ui->graphArea);
framelayout->setMargin(1);
border->setFrameShape(QFrame::StyledPanel);
framelayout->addWidget(border,1);
///////////////////////////////////////////////////////////////////////////////
// Create the horizontal layout to hold the GraphView object and it's scrollbar
///////////////////////////////////////////////////////////////////////////////
layout = new QHBoxLayout(border);
layout->setSpacing(0); // remove the ugly margins/spacing
layout->setMargin(0);
layout->setContentsMargins(0, 0, 0, 0);
border->setLayout(layout);
border->setAutoFillBackground(false);
///////////////////////////////////////////////////////////////////////////////
// Create the GraphView Object
///////////////////////////////////////////////////////////////////////////////
GraphView = new gGraphView(ui->graphArea, m_shared, this);
GraphView->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
GraphView->setEmptyText(STR_Empty_NoData);
// Create the custom scrollbar and attach to GraphView
scrollbar = new MyScrollBar(ui->graphArea);
scrollbar->setOrientation(Qt::Vertical);
scrollbar->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Expanding);
scrollbar->setMaximumWidth(20);
GraphView->setScrollBar(scrollbar);
// Add the graphView and scrollbar to the layout.
layout->addWidget(GraphView, 1);
layout->addWidget(scrollbar, 0);
layout->layout();
///////////////////////////////////////////////////////////////////////////////
// Create date display at bottom of page
///////////////////////////////////////////////////////////////////////////////
dateLabel = new MyLabel(this);
dateLabel->setAlignment(Qt::AlignVCenter);
dateLabel->setText("[Date Widget]");
QFont font = dateLabel->font();
font.setPointSizeF(font.pointSizeF()*1.3F);
dateLabel->setFont(font);
QPalette palette = dateLabel->palette();
palette.setColor(QPalette::Base, Qt::blue);
dateLabel->setPalette(palette);
ui->dateLayout->addWidget(dateLabel,1);
///////////////////////////////////////////////////////////////////////////////
// Rebuild contents
///////////////////////////////////////////////////////////////////////////////
RebuildGraphs(false);
ui->rangeCombo->setCurrentIndex(p_profile->general->lastOverviewRange());
icon_on = new QIcon(":/icons/session-on.png");
icon_off = new QIcon(":/icons/session-off.png");
icon_up_down = new QIcon(":/icons/up-down.png");
icon_warning = new QIcon(":/icons/warning.png");
GraphView->resetLayout();
GraphView->SaveDefaultSettings();
GraphView->LoadSettings("Overview"); //no trans
GraphView->setEmptyImage(QPixmap(":/icons/logo-md.png"));
connect(GraphView, SIGNAL(updateCurrentTime(double)), this, SLOT(on_LineCursorUpdate(double)));
connect(GraphView, SIGNAL(updateRange(double,double)), this, SLOT(on_RangeUpdate(double,double)));
connect(GraphView, SIGNAL(GraphsChanged()), this, SLOT(updateGraphCombo()));
}
Overview::~Overview()
{
disconnect(GraphView, SIGNAL(GraphsChanged()), this, SLOT(updateGraphCombo()));
disconnect(GraphView, SIGNAL(updateRange(double,double)), this, SLOT(on_RangeUpdate(double,double)));
disconnect(GraphView, SIGNAL(updateCurrentTime(double)), this, SLOT(on_LineCursorUpdate(double)));
disconnect(ui->dateEnd->calendarWidget(), SIGNAL(currentPageChanged(int, int)), this, SLOT(dateEnd_currentPageChanged(int, int)));
disconnect(ui->dateStart->calendarWidget(), SIGNAL(currentPageChanged(int, int)), this, SLOT(dateStart_currentPageChanged(int, int)));
// Save graph orders and pin status, etc...
GraphView->SaveSettings("Overview");//no trans
delete ui;
}
void Overview::ResetFont()
{
QFont font = QApplication::font();
font.setPointSizeF(font.pointSizeF()*1.3F);
dateLabel->setFont(font);
}
// Create all the graphs for the Overview page
void Overview::CreateAllGraphs() {
///////////////////////////////////////////////////////////////////////////////
// Add all the graphs
// Process is to createGraph() to make the graph object, then add a layer
// that provides the contents for that graph.
///////////////////////////////////////////////////////////////////////////////
// Add graphs that are always included
ChannelID ahicode = p_profile->general->calculateRDI() ? CPAP_RDI : CPAP_AHI;
if (ahicode == CPAP_RDI) {
AHI = createGraph("AHIBreakdown", STR_TR_RDI, tr("Respiratory\nDisturbance\nIndex"));
} else {
AHI = createGraph("AHIBreakdown", STR_TR_AHI, tr("Apnea\nHypopnea\nIndex"));
}
ahi = new gAHIChart();
AHI->AddLayer(ahi);
UC = createGraph(STR_GRAPH_Usage, tr("Usage"), tr("Usage\n(hours)"));
UC->AddLayer(uc = new gUsageChart());
STG = createGraph("New Session", tr("Session Times"), tr("Session Times"), YT_Time);
stg = new gSessionTimesChart();
STG->AddLayer(stg);
PR = createGraph("Pressure Settings", STR_TR_Pressure, STR_TR_Pressure + "\n(" + STR_UNIT_CMH2O + ")");
pres = new gPressureChart();
PR->AddLayer(pres);
TTIA = createGraph("TTIA", tr("Total Time in Apnea"), tr("Total Time in Apnea\n(Minutes)"));
ttia = new gTTIAChart();
TTIA->AddLayer(ttia);
// Add graphs for all channels that have been marked in Preferences Dialog as wanting a graph
QHash<ChannelID, schema::Channel *>::iterator chit;
QHash<ChannelID, schema::Channel *>::iterator chit_end = schema::channel.channels.end();
for (chit = schema::channel.channels.begin(); chit != chit_end; ++chit) {
schema::Channel * chan = chit.value();
if (chan->showInOverview()) {
ChannelID code = chan->id();
QString name = chan->fullname();
if (name.length() > 16) name = chan->label();
// qDebug() << "Channel" << name << "type" << chan->type() << "machine type" << chan->machtype();
gGraph *G = createGraph(chan->code(), name, chan->description());
if ((chan->type() == schema::FLAG) || (chan->type() == schema::MINOR_FLAG)) {
gSummaryChart * sc = new gSummaryChart(chan->code(), chan->machtype()); // gts was MT_CPAP
sc->addCalc(code, ST_CPH, schema::channel[code].defaultColor());
G->AddLayer(sc);
} else if (chan->type() == schema::SPAN) {
gSummaryChart * sc = new gSummaryChart(chan->code(), MT_CPAP);
sc->addCalc(code, ST_SPH, schema::channel[code].defaultColor());
G->AddLayer(sc);
} else if (chan->type() == schema::WAVEFORM) {
G->AddLayer(new gSummaryChart(code, chan->machtype()));
} else if (chan->type() == schema::UNKNOWN) {
gSummaryChart * sc = new gSummaryChart(chan->code(), MT_CPAP);
sc->addCalc(code, ST_CPH, schema::channel[code].defaultColor());
G->AddLayer(sc);
}
} // if showInOverview()
} // for chit
WEIGHT = createGraph(STR_GRAPH_Weight, STR_TR_Weight, STR_TR_Weight, YT_Weight);
weight = new SummaryChart("Weight", GT_LINE);
weight->setMachineType(MT_JOURNAL);
weight->addSlice(Journal_Weight, QColor("black"), ST_SETAVG);
WEIGHT->AddLayer(weight);
BMI = createGraph(STR_GRAPH_BMI, STR_TR_BMI, tr("Body\nMass\nIndex"));
bmi = new SummaryChart("BMI", GT_LINE);
bmi->setMachineType(MT_JOURNAL);
bmi->addSlice(Journal_BMI, QColor("black"), ST_SETAVG);
BMI->AddLayer(bmi);
ZOMBIE = createGraph(STR_GRAPH_Zombie, STR_TR_Zombie, tr("How you felt\n(0-10)"));
zombie = new SummaryChart("Zombie", GT_LINE);
zombie->setMachineType(MT_JOURNAL);
zombie->addSlice(Journal_ZombieMeter, QColor("black"), ST_SETAVG);
ZOMBIE->AddLayer(zombie);
}
// Recalculates Overview chart info
void Overview::RebuildGraphs(bool reset)
{
qint64 minx, maxx;
if (reset) {
GraphView->GetXBounds(minx, maxx);
}
GraphView->trashGraphs(true); // Remove all existing graphs
CreateAllGraphs();
if (reset) {
GraphView->resetLayout();
GraphView->setDay(nullptr);
GraphView->SetXBounds(minx, maxx, 0, false);
GraphView->resetLayout();
updateGraphCombo();
}
}
// Create an overview graph, adding it to the overview gGraphView object
// param QString name The title of the graph
// param QString units The units of measurements to show in the popup
gGraph *Overview::createGraph(QString code, QString name, QString units, YTickerType yttype)
{
int default_height = AppSetting->graphHeight();
gGraph *g = new gGraph(code, GraphView, name, units, default_height, 0);
gYAxis *yt;
switch (yttype) {
case YT_Time:
yt = new gYAxisTime(true); // Time scale
break;
case YT_Weight:
yt = new gYAxisWeight(p_profile->general->unitSystem());
break;
default:
yt = new gYAxis(); // Plain numeric scale
break;
}
g->AddLayer(yt, LayerLeft, gYAxis::Margin);
gXAxisDay *x = new gXAxisDay();
g->AddLayer(x, LayerBottom, 0, gXAxisDay::Margin);
g->AddLayer(new gXGrid());
return g;
}
void Overview::on_LineCursorUpdate(double time)
{
if (time > 1) {
// even though the generated string is displayed to the user
// no time zone conversion is neccessary, so pass UTC
// to prevent QT from automatically converting to local time
QDateTime dt = QDateTime::fromMSecsSinceEpoch(time, Qt::LocalTime/*, Qt::UTC*/);
QString txt = dt.toString("dd MMM yyyy (dddd)");
dateLabel->setText(txt);
} else dateLabel->setText(QString(GraphView->emptyText()));
}
void Overview::on_RangeUpdate(double minx, double /* maxx */)
{
if (minx > 1) {
dateLabel->setText(GraphView->getRangeInDaysString());
} else {
dateLabel->setText(QString(GraphView->emptyText()));
}
}
void Overview::ReloadGraphs()
{
GraphView->setDay(nullptr);
updateCube();
on_rangeCombo_activated(ui->rangeCombo->currentIndex());
}
void Overview::setGraphText () {
int numOff = 0;
int numTotal = 0;
gGraph *g;
for (int i=0;i<GraphView->size();i++) {
g=(*GraphView)[i];
if (!g->isEmpty()) {
numTotal++;
if (!g->visible()) {
numOff++;
}
}
}
ui->graphCombo->setItemIcon(0, numOff ? *icon_warning : *icon_up_down);
QString graphText;
if (numOff == 0) graphText = QObject::tr("%1 Charts").arg(numTotal);
else graphText = QObject::tr("%1 of %2 Charts").arg(numTotal-numOff).arg(numTotal);
ui->graphCombo->setItemText(0, graphText);
}
void Overview::updateGraphCombo()
{
ui->graphCombo->clear();
gGraph *g;
ui->graphCombo->addItem(*icon_up_down, tr("10 of 10 Charts"), true); // Translation only to define space required
for (int i = 0; i < GraphView->size(); i++) {
g = (*GraphView)[i];
if (g->isEmpty()) { continue; }
if (g->visible()) {
ui->graphCombo->addItem(*icon_on, g->title(), true);
} else {
ui->graphCombo->addItem(*icon_off, g->title(), false);
}
}
ui->graphCombo->setCurrentIndex(0);
setGraphText();
updateCube();
}
#if 0
void Overview::ResetGraphs()
{
QDate start = ui->dateStart->date();
QDate end = ui->dateEnd->date();
GraphView->setDay(nullptr);
updateCube();
if (start.isValid() && end.isValid()) {
setRange(start, end);
}
}
void Overview::ResetGraph(QString name)
{
gGraph *g = GraphView->findGraph(name);
if (!g) { return; }
g->setDay(nullptr);
GraphView->redraw();
}
#endif
void Overview::RedrawGraphs()
{
GraphView->redraw();
}
void Overview::UpdateCalendarDay(QDateEdit *dateedit, QDate date)
{
QCalendarWidget *calendar = dateedit->calendarWidget();
QTextCharFormat bold;
QTextCharFormat cpapcol;
QTextCharFormat normal;
QTextCharFormat oxiday;
bold.setFontWeight(QFont::Bold);
cpapcol.setForeground(QBrush(Qt::blue, Qt::SolidPattern));
cpapcol.setFontWeight(QFont::Bold);
oxiday.setForeground(QBrush(Qt::red, Qt::SolidPattern));
oxiday.setFontWeight(QFont::Bold);
bool hascpap = p_profile->FindDay(date, MT_CPAP) != nullptr;
bool hasoxi = p_profile->FindDay(date, MT_OXIMETER) != nullptr;
//bool hasjournal=p_profile->GetDay(date,MT_JOURNAL)!=nullptr;
if (hascpap) {
if (hasoxi) {
calendar->setDateTextFormat(date, oxiday);
} else {
calendar->setDateTextFormat(date, cpapcol);
}
} else if (p_profile->GetDay(date)) {
calendar->setDateTextFormat(date, bold);
} else {
calendar->setDateTextFormat(date, normal);
}
calendar->setHorizontalHeaderFormat(QCalendarWidget::ShortDayNames);
}
void Overview::dateStart_currentPageChanged(int year, int month)
{
QDate d(year, month, 1);
int dom = d.daysInMonth();
for (int i = 1; i <= dom; i++) {
d = QDate(year, month, i);
UpdateCalendarDay(ui->dateStart, d);
}
}
void Overview::dateEnd_currentPageChanged(int year, int month)
{
QDate d(year, month, 1);
int dom = d.daysInMonth();
for (int i = 1; i <= dom; i++) {
d = QDate(year, month, i);
UpdateCalendarDay(ui->dateEnd, d);
}
}
void Overview::on_dateEnd_dateChanged(const QDate &date)
{
qint64 d1 = qint64(QDateTime(ui->dateStart->date(), QTime(0, 10, 0)/*, Qt::UTC*/).toTime_t()) * 1000L;
qint64 d2 = qint64(QDateTime(date, QTime(23, 0, 0)/*, Qt::UTC*/).toTime_t()) * 1000L;
GraphView->SetXBounds(d1, d2);
ui->dateStart->setMaximumDate(date);
if (customMode) {
p_profile->general->setCustomOverviewRangeEnd(date);
}
}
void Overview::on_dateStart_dateChanged(const QDate &date)
{
qint64 d1 = qint64(QDateTime(date, QTime(0, 10, 0)/*, Qt::UTC*/).toTime_t()) * 1000L;
qint64 d2 = qint64(QDateTime(ui->dateEnd->date(), QTime(23, 0, 0)/*, Qt::UTC*/).toTime_t()) * 1000L;
GraphView->SetXBounds(d1, d2);
ui->dateEnd->setMinimumDate(date);
if (customMode) {
p_profile->general->setCustomOverviewRangeStart(date);
}
}
// Zoom to 100% button clicked or called back from 100% zoom in popup menu
void Overview::on_zoomButton_clicked()
{
qint64 d1 = qint64(QDateTime(ui->dateStart->date(), QTime(0, 10, 0)/*, Qt::UTC*/).toTime_t()) * 1000L; // GTS why UTC?
qint64 d2 = qint64(QDateTime(ui->dateEnd->date(), QTime(23, 0, 0)/*, Qt::UTC*/).toTime_t()) * 1000L; // Interesting: start date set to 10 min after midnight, ending at 11 pm
GraphView->SetXBounds(d1, d2);
}
void Overview::ResetGraphLayout()
{
GraphView->resetLayout();
}
void Overview::ResetGraphOrder(int type)
{
Q_UNUSED(type)
GraphView->resetGraphOrder(false);
ResetGraphLayout();
}
// Process new range selection from combo button
void Overview::on_rangeCombo_activated(int index)
{
ui->dateStart->setMinimumDate(p_profile->FirstDay()); // first and last dates for ANY machine type
ui->dateEnd->setMaximumDate(p_profile->LastDay());
// Exclude Journal in calculating the last day
QDate end = p_profile->LastDay(MT_CPAP);
end = max(end, p_profile->LastDay(MT_OXIMETER));
end = max(end, p_profile->LastDay(MT_POSITION));
end = max(end, p_profile->LastDay(MT_SLEEPSTAGE));
QDate start;
if (index == 0) {
start = end.addDays(-6);
} else if (index == 1) {
start = end.addDays(-13);
} else if (index == 2) {
start = end.addMonths(-1).addDays(1);
} else if (index == 3) {
start = end.addMonths(-2).addDays(1);
} else if (index == 4) {
start = end.addMonths(-3).addDays(1);
} else if (index == 5) {
start = end.addMonths(-6).addDays(1);
} else if (index == 6) {
start = end.addYears(-1).addDays(1);
} else if (index == 7) { // Everything
start = p_profile->FirstDay();
} else if (index == 8 || index == 9) { // Custom
// Validate save Overview Custom Range for first access.
if (!p_profile->general->customOverviewRangeStart().isValid()
|| (!p_profile->general->customOverviewRangeEnd().isValid() )
|| (index==9 /* New Coustom mode - to reset custom range to displayed date range*/)
) {
// Reset Custom Range to current range displayed
// on first initialization of this version of OSCAR
// or on new custom Mode to reset range.
qint64 istart,iend;
GraphView->GetXBounds(istart , iend);
start = QDateTime::fromMSecsSinceEpoch( istart ).date();
end = QDateTime::fromMSecsSinceEpoch( iend ).date();
p_profile->general->setCustomOverviewRangeStart(start);
p_profile->general->setCustomOverviewRangeEnd(end);
index=8;
ui->rangeCombo->setCurrentIndex(index);
} else if (customMode) { // last mode was custom.
// Reset Custom Range to current range in calendar widget
// Custom mode MUST be initialized to false when the Custom Instance is created.
start = ui->dateStart->date();
end = ui->dateEnd->date();
p_profile->general->setCustomOverviewRangeStart(start);
p_profile->general->setCustomOverviewRangeEnd(end);
} else {
// have a change in RangeCombo selection. Use last saved values.
start = p_profile->general->customOverviewRangeStart() ;
end = p_profile->general->customOverviewRangeEnd() ;
}
}
if (start < p_profile->FirstDay()) { start = p_profile->FirstDay(); }
customMode = (index == 8) ;
ui->dateStartLabel->setEnabled(customMode);
ui->dateEndLabel->setEnabled(customMode);
ui->dateEnd->setEnabled(customMode);
ui->dateStart->setEnabled(customMode);
p_profile->general->setLastOverviewRange(index); // type of range in last use
// Ensure that all summary files are available and update version numbers if required
int size = start.daysTo(end);
qDebug() << "Overview range combo from" << start << "to" << end << "with" << size << "days";
QDate dateback = end;
CProgressBar * progress = new CProgressBar (QObject::tr("Loading summaries"), mainwin, size);
for (int i=1; i < size; ++i) {
progress->add(1);
auto di = p_profile->daylist.find(dateback);
dateback = dateback.addDays(-1);
if (di == p_profile->daylist.end()) // Check for no Day entry
continue;
Day * day = di.value();
if (!day)
continue;
if (day->size() <= 0)
continue;
day->OpenSummary(); // This can be slow if summary needs to be updated to new version
}
progress->close();
delete progress;
// first and last dates for ANY machine type
setRange(start, end);
}
// Saves dates in UI, clicks zoom button, and updates combo box
void Overview::setRange(QDate start, QDate end)
{
ui->dateEnd->blockSignals(true);
ui->dateStart->blockSignals(true);
ui->dateStart->setMaximumDate(end);
ui->dateEnd->setMinimumDate(start);
ui->dateStart->setDate(start);
ui->dateEnd->setDate(end);
ui->dateEnd->blockSignals(false);
ui->dateStart->blockSignals(false);
this->on_zoomButton_clicked(); // Click on zoom-out to 100% button
updateGraphCombo();
}
void Overview::on_graphCombo_activated(int index)
{
if (index < 0) {
return;
}
if (index > 0 ) {
gGraph *g;
QString s;
s = ui->graphCombo->currentText();
bool b = !ui->graphCombo->itemData(index, Qt::UserRole).toBool();
ui->graphCombo->setItemData(index, b, Qt::UserRole);
if (b) {
ui->graphCombo->setItemIcon(index, *icon_on);
} else {
ui->graphCombo->setItemIcon(index, *icon_off);
}
g = GraphView->findGraphTitle(s);
g->setVisible(b);
}
ui->graphCombo->setCurrentIndex(0);
updateCube();
setGraphText();
GraphView->updateScale();
GraphView->redraw();
}
void Overview::updateCube()
{
if ((GraphView->visibleGraphs() == 0)) {
ui->toggleVisibility->setArrowType(Qt::UpArrow);
ui->toggleVisibility->setToolTip(tr("Show all graphs"));
ui->toggleVisibility->blockSignals(true);
ui->toggleVisibility->setChecked(true);
ui->toggleVisibility->blockSignals(false);
if (ui->graphCombo->count() > 0) {
GraphView->setEmptyText(STR_Empty_NoGraphs);
} else {
GraphView->setEmptyText(STR_Empty_NoData);
}
} else {
ui->toggleVisibility->setArrowType(Qt::DownArrow);
ui->toggleVisibility->setToolTip(tr("Hide all graphs"));
ui->toggleVisibility->blockSignals(true);
ui->toggleVisibility->setChecked(false);
ui->toggleVisibility->blockSignals(false);
}
}
void Overview::on_toggleVisibility_clicked(bool checked)
{
gGraph *g;
QString s;
QIcon *icon = checked ? icon_off : icon_on;
for (int i = 0; i < ui->graphCombo->count(); i++) {
s = ui->graphCombo->itemText(i);
ui->graphCombo->setItemIcon(i, *icon);
ui->graphCombo->setItemData(i, !checked, Qt::UserRole);
g = GraphView->findGraphTitle(s);
g->setVisible(!checked);
}
updateCube();
GraphView->updateScale();
GraphView->redraw();
}
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