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Parser refactoring (1)...
Parser refactoring (1) Creates a helper that will be used to read the properties and values of an AMDA file, to generate the dataset. The helper is intended to replace the current implementation of the parser, to be more generic and thus manage the spectrograms more easily
trabillard - - Load All Authors

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r847:90e991aec5fa
r933:17461e149cba
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VisualizationDragWidget.cpp
53 lines | 1.3 KiB | text/x-c | CppLexer
/ gui / src / Visualization / VisualizationDragWidget.cpp
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#include "Visualization/VisualizationDragWidget.h"
#include "Visualization/VisualizationDragDropContainer.h"
#include <QApplication>
#include <QMouseEvent>
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 (!event->modifiers().testFlag(Qt::AltModifier)) {
return;
}
if ((event->pos() - impl->m_DragStartPosition).manhattanLength()
< QApplication::startDragDistance()) {
return;
}
emit dragDetected(this, impl->m_DragStartPosition);
QWidget::mouseMoveEvent(event);
}