##// END OF EJS Templates
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

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r847:90e991aec5fa
r985:e1494a5194f1
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VisualizationDragWidget.cpp
53 lines | 1.3 KiB | text/x-c | CppLexer
/ gui / src / Visualization / VisualizationDragWidget.cpp
New visualization classes for the drag&drop
r841 #include "Visualization/VisualizationDragWidget.h"
#include "Visualization/VisualizationDragDropContainer.h"
#include <QApplication>
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r847 #include <QMouseEvent>
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struct VisualizationDragWidget::VisualizationDragWidgetPrivate {
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r847 QPoint m_DragStartPosition;
bool m_DragStartPositionValid = false;
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r841
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r847 explicit VisualizationDragWidgetPrivate() {}
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r841 };
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r847 VisualizationDragWidget::VisualizationDragWidget(QWidget *parent)
: QWidget{parent}, impl{spimpl::make_unique_impl<VisualizationDragWidgetPrivate>()}
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r841 {
}
void VisualizationDragWidget::mousePressEvent(QMouseEvent *event)
{
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r847 if (event->button() == Qt::LeftButton) {
impl->m_DragStartPosition = event->pos();
}
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r847 impl->m_DragStartPositionValid = isDragAllowed();
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QWidget::mousePressEvent(event);
}
void VisualizationDragWidget::mouseMoveEvent(QMouseEvent *event)
{
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r847 if (!impl->m_DragStartPositionValid || !isDragAllowed()) {
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r841 return;
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r847 }
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r841
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r847 if (!(event->buttons() & Qt::LeftButton)) {
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r841 return;
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r847 }
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r847 if (!event->modifiers().testFlag(Qt::AltModifier)) {
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r841 return;
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r847 }
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r847 if ((event->pos() - impl->m_DragStartPosition).manhattanLength()
< QApplication::startDragDistance()) {
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r841 return;
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r847 }
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r847 emit dragDetected(this, impl->m_DragStartPosition);
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QWidget::mouseMoveEvent(event);
}