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qt-migration-legatus/qt6-after/qt6-migrated-legatus/Lts/Common/LtsScriptTimeline/track_drag_handler.cpp
T
2026-10-03 09:20:13 +02:00

165 lines
4.2 KiB
C++

#include "track_drag_handler.h"
#include "script_timeline.h"
#include "tools.h"
#include "track_content_widget.h"
#include "track_entry.h"
#include "track_widget.h"
#include <LtsWidgets/lts_message_dialog.h>
#include <QtWidgets/QApplication>
#include <QtCore/QDebug>
#include <QDrag>
#include <QtGui/QDragEnterEvent>
#include <QtGui/QDropEvent>
#include <QtGui/QGuiApplication>
#include <QMimeData>
#include <utility>
namespace LtsScriptTimeline
{
void DragHandler::dragEnterEvent(QDragEnterEvent* event)
{
if (m_tcw->isMultiLineMultiSelectionMode())
{
if (event->source() != m_tcw)
{
event->ignore();
return;
}
else
{
for (const auto& tcw : std::as_const(m_tcwCorresponding))
tcw->dragEnter(tcw->selectedItemsToData(tcw->m_tools->getTime(m_dragStartPos.x())));
}
}
m_tcw->dragEnd();
if (!event->mimeData()->hasFormat(TrackContentWidget::mime))
return;
if (m_tcw->dragEnter(event->mimeData()->data(TrackContentWidget::mime)))
event->acceptProposedAction();
}
void DragHandler::dragLeaveEvent(QDragLeaveEvent* event)
{
if (m_tcw->isMultiLineMultiSelectionMode())
{
event->ignore();
for (const auto& tcw : std::as_const(m_tcwCorresponding))
tcw->dragEnd();
}
m_tcw->dragEnd();
}
void DragHandler::dropEvent(QDropEvent* event)
{
int dropPos = event->position().toPoint().x();
int dropTime = m_tcw->m_tools->getTime(dropPos, m_tcw->m_isFilter) - m_tcw->m_dragOffsetTime;
for (const auto& tcw : std::as_const(m_tcwCorresponding))
{
bool hasParallelTopicsOfSameType = TrackContentWidget::checkForParallelTopics(tcw, m_tcw->m_preview, dropTime);
if (hasParallelTopicsOfSameType)
{
new LtsWidgets::LtsMessageDialogNew(m_tcw, TrackContentWidget::parallelError(), QObject::tr("Error"));
break;
}
}
if (m_tcw->dragDrop(dropPos))
event->acceptProposedAction();
else
emit m_tcw->signalMultiLineMultiSelectionDone(0);
}
void DragHandler::dragMoveEvent(QDragMoveEvent* event)
{
int pos = event->position().toPoint().x();
if (m_tcw->dragMove(pos))
event->acceptProposedAction();
if (m_tcw->isMultiLineMultiSelectionMode())
emit m_tcw->signalMultiLineMultiSelectionMove(pos);
}
void DragHandler::mousePressEvent(QMouseEvent* event)
{
if (event->buttons() != Qt::LeftButton)
return;
m_dragStartPos = event->pos();
}
void DragHandler::mouseMoveEvent(QMouseEvent* event)
{
if (event->buttons() != Qt::LeftButton)
return;
QPoint cursorPos = m_tcw->mapFromGlobal(event->globalPosition().toPoint());
if (!m_tcw->m_mainSelected || ((cursorPos - m_dragStartPos).manhattanLength() < QApplication::startDragDistance() &&
(m_dragStartPos - cursorPos).manhattanLength() < QApplication::startDragDistance()))
return;
QVector<TrackEntry*> selected = m_tcw->getSelectedEntries();
if (selected.isEmpty())
return;
int cursorPosTime = m_tcw->m_tools->getTime(m_dragStartPos.x());
QMimeData* mimeData = new QMimeData();
mimeData->setData(TrackContentWidget::mime, m_tcw->selectedItemsToData(cursorPosTime));
QDrag* drag = new QDrag(m_tcw);
drag->setMimeData(mimeData);
if (m_tcw->isMultiLineMultiSelectionMode())
emit m_tcw->signalMultiLineMultiSelectionStart(cursorPosTime);
QVector<TrackEntry*> selectedOld = m_tcw->m_selected;
if (drag->exec(Qt::MoveAction) == Qt::MoveAction)
{
if (!m_tcw->isMultiLineMultiSelectionMode())
{
for (auto i = selectedOld.begin(); i != selectedOld.end(); ++i)
emit m_tcw->signalTrackEntryDeleted((*i)->m_topicId);
qDeleteAll(selectedOld);
}
}
else
{
emit m_tcw->signalMultiLineMultiSelectionDone(-1);
}
}
void DragHandler::keyPressEvent(QKeyEvent* event)
{
switch (event->key())
{
case Qt::Key_Left: {
emit m_tcw->signalMoveAll(-1);
break;
}
case Qt::Key_Right: {
emit m_tcw->signalMoveAll(1);
break;
}
default: {
break;
}
}
}
} // namespace LtsScriptTimeline