|
|
#include "Visualization/VisualizationDragWidget.h"
|
|
|
#include "Visualization/VisualizationDragDropContainer.h"
|
|
|
|
|
|
#include <QApplication>
|
|
|
#include <QMouseEvent>
|
|
|
|
|
|
#include <SqpApplication.h>
|
|
|
|
|
|
struct VisualizationDragWidget::VisualizationDragWidgetPrivate {
|
|
|
|
|
|
QPoint m_DragStartPosition;
|
|
|
bool m_DragStartPositionValid = false;
|
|
|
|
|
|
explicit VisualizationDragWidgetPrivate() {}
|
|
|
};
|
|
|
|
|
|
VisualizationDragWidget::VisualizationDragWidget(QWidget *parent)
|
|
|
: QWidget{parent}, impl{spimpl::make_unique_impl<VisualizationDragWidgetPrivate>()}
|
|
|
{
|
|
|
}
|
|
|
|
|
|
void VisualizationDragWidget::mousePressEvent(QMouseEvent *event)
|
|
|
{
|
|
|
if (event->button() == Qt::LeftButton) {
|
|
|
impl->m_DragStartPosition = event->pos();
|
|
|
}
|
|
|
|
|
|
impl->m_DragStartPositionValid = isDragAllowed();
|
|
|
|
|
|
QWidget::mousePressEvent(event);
|
|
|
}
|
|
|
|
|
|
void VisualizationDragWidget::mouseMoveEvent(QMouseEvent *event)
|
|
|
{
|
|
|
if (!impl->m_DragStartPositionValid || !isDragAllowed()) {
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
if (!(event->buttons() & Qt::LeftButton)) {
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
if (sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::DragAndDrop
|
|
|
|| event->modifiers().testFlag(Qt::AltModifier)) {
|
|
|
|
|
|
if ((event->pos() - impl->m_DragStartPosition).manhattanLength()
|
|
|
< QApplication::startDragDistance()) {
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
emit dragDetected(this, impl->m_DragStartPosition);
|
|
|
}
|
|
|
|
|
|
QWidget::mouseMoveEvent(event);
|
|
|
}
|
|
|
|
