GIT_REPOSITORIES/LPP/Users/mperrinel/SciQLop-fork Files · gui/src/Visualization/VisualizationDragWidget.cpp

Integrates the drag&drop classes into the existing visualization classes.

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             VisualizationDragWidget.cpp
        
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             / gui / src / Visualization / VisualizationDragWidget.cpp
          
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      #include "Visualization/VisualizationDragWidget.h"

      #include "Visualization/VisualizationDragDropContainer.h"

      #include <QMouseEvent>

      #include <QApplication>

      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);

      }

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				#include "Visualization/VisualizationDragWidget.h"
				#include "Visualization/VisualizationDragDropContainer.h"

				#include <QMouseEvent>
				#include <QApplication>

				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);
				}