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Spectrograms implementation (3)...
Spectrograms implementation (3) Reads properties

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TimeWidget.cpp
156 lines | 4.0 KiB | text/x-c | CppLexer
#include "TimeWidget/TimeWidget.h"
#include "ui_TimeWidget.h"
#include <Common/DateUtils.h>
#include <Common/MimeTypesDef.h>
#include <DragAndDrop/DragDropHelper.h>
#include <SqpApplication.h>
#include <Time/TimeController.h>
#include <QDrag>
#include <QDragEnterEvent>
#include <QDropEvent>
#include <QMimeData>
struct TimeWidget::TimeWidgetPrivate {
explicit TimeWidgetPrivate() {}
QPoint m_DragStartPosition;
};
TimeWidget::TimeWidget(QWidget *parent)
: QWidget{parent},
ui{new Ui::TimeWidget},
impl{spimpl::make_unique_impl<TimeWidgetPrivate>()}
{
ui->setupUi(this);
ui->applyToolButton->setIcon(sqpApp->style()->standardIcon(QStyle::SP_DialogApplyButton));
// Connection
connect(ui->startDateTimeEdit, &QDateTimeEdit::dateTimeChanged, this,
&TimeWidget::onTimeUpdateRequested);
connect(ui->endDateTimeEdit, &QDateTimeEdit::dateTimeChanged, this,
&TimeWidget::onTimeUpdateRequested);
connect(ui->applyToolButton, &QToolButton::clicked, &sqpApp->timeController(),
&TimeController::onTimeNotify);
// Initialisation
auto endDateTime = QDateTime::currentDateTimeUtc();
auto startDateTime = endDateTime.addSecs(-3600); // one hour before
ui->startDateTimeEdit->setDateTime(startDateTime);
ui->endDateTimeEdit->setDateTime(endDateTime);
auto dateTime = SqpRange{DateUtils::secondsSinceEpoch(startDateTime),
DateUtils::secondsSinceEpoch(endDateTime)};
sqpApp->timeController().onTimeToUpdate(dateTime);
}
TimeWidget::~TimeWidget()
{
delete ui;
}
void TimeWidget::setTimeRange(SqpRange time)
{
auto startDateTime = DateUtils::dateTime(time.m_TStart);
auto endDateTime = DateUtils::dateTime(time.m_TEnd);
ui->startDateTimeEdit->setDateTime(startDateTime);
ui->endDateTimeEdit->setDateTime(endDateTime);
}
SqpRange TimeWidget::timeRange() const
{
return SqpRange{DateUtils::secondsSinceEpoch(ui->startDateTimeEdit->dateTime()),
DateUtils::secondsSinceEpoch(ui->endDateTimeEdit->dateTime())};
}
void TimeWidget::onTimeUpdateRequested()
{
auto dateTime = timeRange();
emit timeUpdated(std::move(dateTime));
}
void TimeWidget::dragEnterEvent(QDragEnterEvent *event)
{
if (event->mimeData()->hasFormat(MIME_TYPE_TIME_RANGE)) {
event->acceptProposedAction();
setStyleSheet("QDateTimeEdit{background-color: #BBD5EE; border:2px solid #2A7FD4}");
}
else {
event->ignore();
}
}
void TimeWidget::dragLeaveEvent(QDragLeaveEvent *event)
{
setStyleSheet(QString());
}
void TimeWidget::dropEvent(QDropEvent *event)
{
if (event->mimeData()->hasFormat(MIME_TYPE_TIME_RANGE)) {
auto mimeData = event->mimeData()->data(MIME_TYPE_TIME_RANGE);
auto timeRange = TimeController::timeRangeForMimeData(mimeData);
setTimeRange(timeRange);
}
else {
event->ignore();
}
setStyleSheet(QString());
}
void TimeWidget::mousePressEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton) {
impl->m_DragStartPosition = event->pos();
}
QWidget::mousePressEvent(event);
}
void TimeWidget::mouseMoveEvent(QMouseEvent *event)
{
if (!(event->buttons() & Qt::LeftButton)) {
return;
}
if ((event->pos() - impl->m_DragStartPosition).manhattanLength()
< QApplication::startDragDistance()) {
return;
}
// Note: The management of the drag object is done by Qt
auto drag = new QDrag{this};
auto mimeData = new QMimeData;
auto timeData = TimeController::mimeDataForTimeRange(timeRange());
mimeData->setData(MIME_TYPE_TIME_RANGE, timeData);
drag->setMimeData(mimeData);
auto pixmap = QPixmap(size());
render(&pixmap);
drag->setPixmap(pixmap);
drag->setHotSpot(impl->m_DragStartPosition);
sqpApp->dragDropHelper().resetDragAndDrop();
// Note: The exec() is blocking on windows but not on linux and macOS
drag->exec(Qt::MoveAction | Qt::CopyAction);
QWidget::mouseMoveEvent(event);
}