HG_REPOSITORIES/LPP/SciQLOP_Repos/SciQLop Files · gui/src/Visualization/VisualizationDragWidget.cpp

Fix some glitches which occurred when dragging in the visualization something from the sides.

trabillard - - Load All Authors

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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 <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);

      }

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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);
				}