mirror of
https://github.com/WarmUpTill/SceneSwitcher.git
synced 2026-08-31 05:35:36 -05:00
Restructure "src/" folder
Moving files from the "src/" folder into "src/legacy", "src/macro-core", and "src/utils" was necessary as it was becoming a bit too cluttered.
This commit is contained in:
WarmUpTill
443
src/macro-core/macro-segment-list.cpp
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443
src/macro-core/macro-segment-list.cpp
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@@ -0,0 +1,443 @@
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#include "macro-segment-list.hpp"
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#include "utility.hpp"
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#include <QGridLayout>
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#include <QSpacerItem>
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#include <QEvent>
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#include <QMouseEvent>
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#include <QDrag>
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#include <QMimeData>
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#include <QScrollBar>
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#include <QtGlobal>
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MacroSegmentList::MacroSegmentList(QWidget *parent)
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: QScrollArea(parent),
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_layout(new QVBoxLayout),
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_contentLayout(new QVBoxLayout),
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_helpMsg(new QLabel)
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{
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_helpMsg->setWordWrap(true);
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_helpMsg->setAlignment(Qt::AlignCenter);
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_contentLayout->setSpacing(0);
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auto helperLayout = new QGridLayout();
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helperLayout->addWidget(_helpMsg, 0, 0,
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Qt::AlignHCenter | Qt::AlignVCenter);
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helperLayout->addLayout(_contentLayout, 0, 0);
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helperLayout->setSizeConstraint(QLayout::SetMinAndMaxSize);
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_layout->addLayout(helperLayout, 10);
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_layout->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding,
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QSizePolicy::Expanding));
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auto wrapper = new QWidget;
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wrapper->setLayout(_layout);
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setWidget(wrapper);
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setWidgetResizable(true);
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setAcceptDrops(true);
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}
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MacroSegmentList::~MacroSegmentList()
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{
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if (_autoScrollThread.joinable()) {
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_autoScroll = false;
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_autoScrollThread.join();
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}
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}
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int MacroSegmentList::GetDragIndex(const QPoint &pos)
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{
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for (int idx = 0; idx < _contentLayout->count(); ++idx) {
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auto item = _contentLayout->itemAt(idx);
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if (!item) {
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continue;
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}
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const auto geo = item->geometry();
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int scrollOffset = 0;
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if (verticalScrollBar()) {
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scrollOffset = verticalScrollBar()->value();
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}
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const QRect rect(
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mapToGlobal(QPoint(geo.topLeft().x(),
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geo.topLeft().y() - scrollOffset)),
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geo.size());
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if (rect.contains(pos)) {
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return idx;
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}
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}
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return -1;
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}
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void MacroSegmentList::SetHelpMsg(const QString &msg)
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{
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_helpMsg->setText(msg);
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}
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void MacroSegmentList::SetHelpMsgVisible(bool visible)
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{
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_helpMsg->setVisible(visible);
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}
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void MacroSegmentList::Insert(int idx, QWidget *widget)
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{
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widget->installEventFilter(this);
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_contentLayout->insertWidget(idx, widget);
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}
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void MacroSegmentList::Add(QWidget *widget)
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{
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widget->installEventFilter(this);
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_contentLayout->addWidget(widget);
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}
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void MacroSegmentList::Remove(int idx)
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{
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deleteLayoutItemWidget(_contentLayout->takeAt(idx));
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}
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void MacroSegmentList::Clear(int idx)
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{
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clearLayout(_contentLayout, idx);
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}
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void MacroSegmentList::Highlight(int idx)
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{
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auto item = _contentLayout->itemAt(idx);
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if (!item) {
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return;
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}
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auto widget = item->widget();
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if (!widget) {
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return;
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}
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PulseWidget(widget, QColor(Qt::green), QColor(0, 0, 0, 0), true);
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}
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void MacroSegmentList::SetCollapsed(bool collapse)
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{
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QLayoutItem *item = nullptr;
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for (int i = 0; i < _contentLayout->count(); i++) {
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item = _contentLayout->itemAt(i);
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auto segment = dynamic_cast<MacroSegmentEdit *>(item->widget());
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if (segment) {
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segment->SetCollapsed(collapse);
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}
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}
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}
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void MacroSegmentList::SetSelection(int idx)
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{
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for (int i = 0; i < _contentLayout->count(); ++i) {
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auto widget = static_cast<MacroSegmentEdit *>(
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_contentLayout->itemAt(i)->widget());
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if (widget) {
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widget->SetSelected(i == idx);
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}
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}
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}
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bool MacroSegmentList::eventFilter(QObject *object, QEvent *event)
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{
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if (event->type() == QEvent::MouseButtonPress) {
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}
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switch (event->type()) {
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case QEvent::MouseButtonPress:
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mousePressEvent(static_cast<QMouseEvent *>(event));
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break;
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case QEvent::MouseMove:
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mouseMoveEvent(static_cast<QMouseEvent *>(event));
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break;
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case QEvent::MouseButtonRelease:
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mouseReleaseEvent(static_cast<QMouseEvent *>(event));
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break;
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default:
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break;
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}
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return QWidget::eventFilter(object, event);
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}
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void MacroSegmentList::mousePressEvent(QMouseEvent *event)
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{
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if (event->button() == Qt::LeftButton) {
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#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
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_dragPosition = GetDragIndex(event->globalPos());
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#else
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_dragPosition = GetDragIndex(event->globalPosition().toPoint());
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#endif
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emit SelectionChagned(_dragPosition);
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} else {
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_dragPosition = -1;
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}
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}
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void MacroSegmentList::mouseMoveEvent(QMouseEvent *event)
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{
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if (event->buttons() & Qt::LeftButton && _dragPosition != -1) {
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auto item = _contentLayout->itemAt(_dragPosition);
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if (!item) {
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return;
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}
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auto widget = item->widget();
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if (!widget) {
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return;
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}
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QDrag *drag = new QDrag(widget);
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auto img = widget->grab();
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auto mimedata = new QMimeData();
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mimedata->setImageData(img);
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drag->setMimeData(mimedata);
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drag->setPixmap(img);
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drag->setHotSpot(event->pos());
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_autoScroll = true;
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_autoScrollThread =
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std::thread(&MacroSegmentList::CheckScroll, this);
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drag->exec();
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_autoScroll = false;
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_autoScrollThread.join();
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}
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}
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void MacroSegmentList::mouseReleaseEvent(QMouseEvent *)
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{
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_dragPosition = -1;
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}
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void MacroSegmentList::dragLeaveEvent(QDragLeaveEvent *)
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{
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HideLastDropLine();
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}
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void MacroSegmentList::dragEnterEvent(QDragEnterEvent *event)
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{
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if (event->mimeData() && event->mimeData()->hasImage()) {
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event->accept();
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} else {
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event->ignore();
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}
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}
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MacroSegmentEdit *MacroSegmentList::WidgetAt(int idx)
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{
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if (idx < 0 || idx >= _contentLayout->count()) {
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return nullptr;
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}
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auto item = _contentLayout->itemAt(idx);
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if (!item) {
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return nullptr;
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}
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return static_cast<MacroSegmentEdit *>(item->widget());
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}
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void MacroSegmentList::HideLastDropLine()
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{
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if (_dropLineIdx >= 0 && _dropLineIdx < _contentLayout->count()) {
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auto widget = WidgetAt(_dropLineIdx);
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if (widget) {
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widget->ShowDropLine(
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MacroSegmentEdit::DropLineState::NONE);
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}
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}
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_dropLineIdx = -1;
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}
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bool isInUpperHalfOf(const QPoint &pos, const QRect &rect)
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{
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return QRect(rect.topLeft(),
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QSize(rect.size().width(), rect.size().height() / 2))
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.contains(pos);
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}
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bool widgetIsInLayout(QWidget *w, QLayout *l)
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{
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if (w == nullptr) {
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return false;
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}
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for (int i = 0; i < l->count(); ++i) {
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auto item = l->itemAt(i);
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if (!item) {
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continue;
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}
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if (item->widget() == w) {
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return true;
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}
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}
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return false;
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}
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void MacroSegmentList::dragMoveEvent(QDragMoveEvent *event)
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{
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auto widget = qobject_cast<QWidget *>(event->source());
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if (!widgetIsInLayout(widget, _contentLayout)) {
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return;
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}
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#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
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_dragCursorPos = (mapToGlobal(event->pos()));
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#else
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_dragCursorPos = (mapToGlobal(event->position().toPoint()));
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#endif
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CheckDropLine(_dragCursorPos);
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}
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QRect MacroSegmentList::GetContentItemRectWithPadding(int idx)
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{
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auto item = _contentLayout->itemAt(idx);
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if (!item) {
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return {};
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}
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int scrollOffset = 0;
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if (verticalScrollBar()) {
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scrollOffset = verticalScrollBar()->value();
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}
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const QRect itemRect = item->geometry().marginsAdded(
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_contentLayout->contentsMargins());
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const QRect rect(
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mapToGlobal(QPoint(itemRect.topLeft().x(),
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itemRect.topLeft().y() -
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_contentLayout->spacing() -
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scrollOffset)),
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QSize(itemRect.size().width(),
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itemRect.size().height() + _contentLayout->spacing()));
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return rect;
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}
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int MacroSegmentList::GetWidgetIdx(const QPoint &pos)
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{
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int idx = -1;
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for (int i = 0; i < _contentLayout->count(); ++i) {
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if (GetContentItemRectWithPadding(i).contains(pos)) {
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idx = i;
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break;
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}
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}
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return idx;
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}
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void MacroSegmentList::CheckScroll()
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{
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while (_autoScroll) {
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const int scrollTrigger = 15;
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const int scrollAmount = 1;
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const QRect rect(mapToGlobal(QPoint(0, 0)), size());
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const QRect upperScrollTrigger(
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QPoint(rect.topLeft().x(),
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rect.topLeft().y() - scrollTrigger),
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QSize(rect.width(), scrollTrigger * 2));
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if (upperScrollTrigger.contains(_dragCursorPos)) {
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verticalScrollBar()->setValue(
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verticalScrollBar()->value() - scrollAmount);
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}
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const QRect lowerScrollTrigger(
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QPoint(rect.bottomLeft().x(),
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rect.bottomLeft().y() - scrollTrigger),
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QSize(rect.width(), scrollTrigger * 2));
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if (lowerScrollTrigger.contains(_dragCursorPos)) {
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verticalScrollBar()->setValue(
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verticalScrollBar()->value() + scrollAmount);
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}
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std::this_thread::sleep_for(std::chrono::microseconds(50));
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}
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}
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void MacroSegmentList::CheckDropLine(const QPoint &pos)
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{
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int idx = GetWidgetIdx(pos);
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if (idx == _dragPosition) {
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return;
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}
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auto action = MacroSegmentEdit::DropLineState::ABOVE;
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if (idx == -1) {
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if (IsInListArea(pos)) {
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idx = _contentLayout->count() - 1;
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action = MacroSegmentEdit::DropLineState::BELOW;
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} else {
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HideLastDropLine();
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return;
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}
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} else {
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auto rect = GetContentItemRectWithPadding(idx);
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if (idx == _contentLayout->count() - 1 &&
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!isInUpperHalfOf(pos, rect)) {
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action = MacroSegmentEdit::DropLineState::BELOW;
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} else {
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if (!isInUpperHalfOf(pos, rect)) {
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idx++;
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}
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}
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}
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if (idx == _dragPosition ||
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(idx - 1 == _dragPosition &&
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action != MacroSegmentEdit::DropLineState::BELOW)) {
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HideLastDropLine();
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return;
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}
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auto widget = WidgetAt(idx);
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if (!widget) {
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HideLastDropLine();
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return;
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}
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widget->ShowDropLine(action);
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if (_dropLineIdx != idx) {
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HideLastDropLine();
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_dropLineIdx = idx;
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}
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}
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bool MacroSegmentList::IsInListArea(const QPoint &pos)
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{
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const QRect layoutRect(mapToGlobal(_layout->contentsRect().topLeft()),
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_layout->contentsRect().size());
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return layoutRect.contains(pos);
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}
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int MacroSegmentList::GetDropIndex(const QPoint &pos)
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{
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int idx = GetWidgetIdx(pos);
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if (idx == _dragPosition) {
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return -1;
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}
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if (idx == -1) {
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if (IsInListArea(pos)) {
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return _contentLayout->count() - 1;
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}
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return -1;
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}
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auto rect = GetContentItemRectWithPadding(idx);
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if (idx == _contentLayout->count() - 1 && !isInUpperHalfOf(pos, rect)) {
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return idx;
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} else if (!isInUpperHalfOf(pos, rect)) {
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idx++;
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}
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if (_dragPosition < idx) {
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idx--;
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}
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if (idx == _dragPosition) {
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return -1;
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}
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return idx;
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}
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void MacroSegmentList::dropEvent(QDropEvent *event)
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{
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HideLastDropLine();
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auto widget = qobject_cast<QWidget *>(event->source());
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#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
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if (widget && !widget->geometry().contains(event->pos()) &&
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widgetIsInLayout(widget, _contentLayout)) {
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int dropPosition = GetDropIndex(mapToGlobal(event->pos()));
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if (dropPosition == -1) {
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return;
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}
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emit Reorder(dropPosition, _dragPosition);
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}
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#else
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if (widget &&
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!widget->geometry().contains(event->position().toPoint()) &&
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widgetIsInLayout(widget, _contentLayout)) {
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int dropPosition =
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GetDropIndex(mapToGlobal(event->position().toPoint()));
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if (dropPosition == -1) {
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return;
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}
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emit Reorder(dropPosition, _dragPosition);
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}
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#endif
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_dragPosition = -1;
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}
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