RealSpaceCanvas Class Reference

Provides 3D object generation for RealSpaceWidget. More...

Inheritance diagram for RealSpaceCanvas:

Collaboration diagram for RealSpaceCanvas:

Public Slots
void	onChangeLayerSizeAction (double layer_size_scale)
void	onDefaultViewAction ()
void	onLockViewAction (bool view_locked)
void	onRowsAboutToBeRemoved (const QModelIndex &parent, int first, int last)
void	onSavePictureAction ()
void	onSelectionChanged (const QItemSelection &, const QItemSelection &)
void	onSideViewAction ()
void	onTopViewAction ()
void	updateToSelection ()

Public Member Functions
	RealSpaceCanvas (QWidget *parent=nullptr)
	~RealSpaceCanvas ()
void	setModel (SampleModel *sampleModel=nullptr, QItemSelectionModel *selectionModel=nullptr)

Private Slots
void	defaultView ()
void	onDataChanged (const QModelIndex &index)
void	resetScene ()
void	sideView ()
void	topView ()
void	updateScene ()

Private Member Functions
void	savePicture (const QPixmap &pixmap)
void	setConnected (SampleModel *model, bool makeConnected)

Private Attributes
QModelIndex	m_currentSelection
std::unique_ptr< RealSpaceModel >	m_realSpaceModel
SampleModel *	m_sampleModel
std::unique_ptr< SceneGeometry >	m_sceneGeometry
QItemSelectionModel *	m_selectionModel
RealSpaceView *	m_view
bool	m_view_locked
WarningSign *	m_warningSign

Detailed Description

Provides 3D object generation for RealSpaceWidget.

Definition at line 57 of file RealSpaceCanvas.h.

Constructor & Destructor Documentation

RealSpaceCanvas()

RealSpaceCanvas::RealSpaceCanvas

(

QWidget *

parent = nullptr

)

Definition at line 30 of file RealSpaceCanvas.cpp.

    : QWidget(parent)
    , m_sampleModel(nullptr)
    , m_view(new RealSpaceView)
    , m_selectionModel(nullptr)
    , m_view_locked(false)
    , m_sceneGeometry(new SceneGeometry)
    , m_warningSign(new WarningSign(this))
{
    auto layout = new QVBoxLayout;
    layout->setMargin(0);
    layout->setSpacing(0);
    layout->addWidget(m_view);
    setLayout(layout);
}

References m_view.

~RealSpaceCanvas()

RealSpaceCanvas::~RealSpaceCanvas ( )

default

Member Function Documentation

defaultView

void RealSpaceCanvas::defaultView ( )

privateslot

Definition at line 219 of file RealSpaceCanvas.cpp.

{
    m_view->defaultView();
}

References RealSpaceView::defaultView(), and m_view.

Referenced by onDefaultViewAction(), and updateScene().

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onChangeLayerSizeAction

void RealSpaceCanvas::onChangeLayerSizeAction ( double  layer_size_scale )

slot

Definition at line 122 of file RealSpaceCanvas.cpp.

{
    // when no object is selected --> take no action
    if (m_currentSelection == QModelIndex())
        return;
 
    m_sceneGeometry->set_layer_size(m_sceneGeometry->layer_size() * layerSizeChangeScale);
    updateScene();
}

References m_currentSelection, m_sceneGeometry, and updateScene().

Referenced by RealSpaceWidget::RealSpaceWidget().

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onDataChanged

void RealSpaceCanvas::onDataChanged ( const QModelIndex &  index )

privateslot

Definition at line 170 of file RealSpaceCanvas.cpp.

{
    auto item = m_sampleModel->itemForIndex(index);
    if (!item)
        return;
 
    if (!SessionItemUtils::IsPositionRelated(*item))
        updateScene();
}

References SessionItemUtils::IsPositionRelated(), SessionModel::itemForIndex(), m_sampleModel, and updateScene().

Referenced by setConnected().

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onDefaultViewAction

void RealSpaceCanvas::onDefaultViewAction ( )

slot

Definition at line 99 of file RealSpaceCanvas.cpp.

{
    defaultView();
}

References defaultView().

Referenced by RealSpaceWidget::RealSpaceWidget().

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onLockViewAction

void RealSpaceCanvas::onLockViewAction ( bool  view_locked )

slot

Definition at line 114 of file RealSpaceCanvas.cpp.

{
    if (m_view_locked != view_locked) {
        m_view_locked = view_locked;
        updateToSelection();
    }
}

References m_view_locked, and updateToSelection().

Referenced by RealSpaceWidget::RealSpaceWidget().

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onRowsAboutToBeRemoved

void RealSpaceCanvas::onRowsAboutToBeRemoved ( const QModelIndex &  parent, int  first, int  last  )

slot

Definition at line 139 of file RealSpaceCanvas.cpp.

{
    // clear scene if current selection will be removed
    if (m_currentSelection == m_sampleModel->index(first, 0, parent))
        resetScene();
}

References SessionModel::index(), m_currentSelection, m_sampleModel, and resetScene().

Referenced by setConnected().

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onSavePictureAction

void RealSpaceCanvas::onSavePictureAction ( )

slot

Definition at line 132 of file RealSpaceCanvas.cpp.

{
    QPixmap pixmap(this->size());
    render(&pixmap, QPoint(), childrenRegion());
    savePicture(pixmap);
}

References savePicture().

Referenced by RealSpaceWidget::RealSpaceWidget().

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onSelectionChanged

void RealSpaceCanvas::onSelectionChanged ( const QItemSelection &  , const QItemSelection &    )

slot

Definition at line 76 of file RealSpaceCanvas.cpp.

{
    updateToSelection();
}

References updateToSelection().

Referenced by setModel().

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onSideViewAction

void RealSpaceCanvas::onSideViewAction ( )

slot

Definition at line 104 of file RealSpaceCanvas.cpp.

{
    sideView();
}

References sideView().

Referenced by RealSpaceWidget::RealSpaceWidget().

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onTopViewAction

void RealSpaceCanvas::onTopViewAction ( )

slot

Definition at line 109 of file RealSpaceCanvas.cpp.

{
    topView();
}

References topView().

Referenced by RealSpaceWidget::RealSpaceWidget().

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resetScene

void RealSpaceCanvas::resetScene ( )

privateslot

Definition at line 212 of file RealSpaceCanvas.cpp.

{
    m_realSpaceModel.reset();
    m_view->setModel(nullptr);
    m_currentSelection = {};
}

References m_currentSelection, m_realSpaceModel, m_view, and RealSpaceView::setModel().

Referenced by onRowsAboutToBeRemoved(), and setConnected().

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savePicture()

void RealSpaceCanvas::savePicture ( const QPixmap &  pixmap )

private

Definition at line 146 of file RealSpaceCanvas.cpp.

{
    QString dirname = AppSvc::projectManager()->userExportDir();
    QString defaultExtension = ".png";
    QString selectedFilter("*" + defaultExtension);
    QString defaultName = dirname + "/untitled";
    QString fileName = QFileDialog::getSaveFileName(nullptr, "Save 3D real space view", defaultName,
                                                    selectedFilter);
    QString nameToSave =
        fileName.endsWith(defaultExtension) ? fileName : fileName + defaultExtension;
 
    if (!nameToSave.isEmpty()) {
        try {
            pixmap.save(nameToSave);
        } catch (const std::exception& ex) {
            QString message = "Attempt to save file with the name '";
            message.append(nameToSave);
            message.append("' has failed with following error message\n\n");
            message.append(QString::fromStdString(ex.what()));
            QMessageBox::warning(nullptr, "Houston, we have a problem.", message);
        }
    }
}

References AppSvc::projectManager(), ProjectManager::userExportDir(), and GUIHelpers::warning().

Referenced by onSavePictureAction().

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setConnected()

void RealSpaceCanvas::setConnected ( SampleModel *  model, bool  makeConnected  )

private

Definition at line 234 of file RealSpaceCanvas.cpp.

{
    if (!model)
        return;
 
    if (makeConnected) {
        connect(model, &SampleModel::rowsInserted, this, &RealSpaceCanvas::updateScene,
                Qt::UniqueConnection);
        connect(model, &SampleModel::rowsRemoved, this, &RealSpaceCanvas::updateScene,
                Qt::UniqueConnection);
        connect(model, &SampleModel::rowsAboutToBeRemoved, this,
                &RealSpaceCanvas::onRowsAboutToBeRemoved, Qt::UniqueConnection);
        connect(model, &SampleModel::dataChanged, this, &RealSpaceCanvas::onDataChanged,
                Qt::UniqueConnection);
        connect(model, &SampleModel::modelReset, this, &RealSpaceCanvas::resetScene,
                Qt::UniqueConnection);
        connect(
            model, &SampleModel::modelAboutToBeReset, this, [&]() { m_currentSelection = {}; },
            Qt::UniqueConnection);
 
    } else {
        disconnect(model, &SampleModel::rowsInserted, this, &RealSpaceCanvas::updateScene);
        disconnect(model, &SampleModel::rowsRemoved, this, &RealSpaceCanvas::updateScene);
        connect(model, &SampleModel::rowsAboutToBeMoved, this,
                &RealSpaceCanvas::onRowsAboutToBeRemoved);
        disconnect(model, &SampleModel::dataChanged, this, &RealSpaceCanvas::onDataChanged);
        disconnect(model, &SampleModel::modelReset, this, &RealSpaceCanvas::resetScene);
    }
}

References m_currentSelection, onDataChanged(), onRowsAboutToBeRemoved(), resetScene(), and updateScene().

Referenced by setModel().

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setModel()

void RealSpaceCanvas::setModel	(	SampleModel *	sampleModel = nullptr,
		QItemSelectionModel *	selectionModel = nullptr
	)

Definition at line 48 of file RealSpaceCanvas.cpp.

{
    if (sampleModel != m_sampleModel) {
 
        if (m_sampleModel)
            setConnected(m_sampleModel, false);
 
        m_sampleModel = sampleModel;
 
        if (m_sampleModel)
            setConnected(m_sampleModel, true);
    }
 
    if (selectionModel != m_selectionModel) {
        if (m_selectionModel)
            disconnect(m_selectionModel, &QItemSelectionModel::selectionChanged, this,
                       &RealSpaceCanvas::onSelectionChanged);
 
        m_selectionModel = selectionModel;
 
        if (m_selectionModel)
            connect(m_selectionModel, &QItemSelectionModel::selectionChanged, this,
                    &RealSpaceCanvas::onSelectionChanged);
    }
 
    updateToSelection();
}

References m_sampleModel, m_selectionModel, onSelectionChanged(), setConnected(), and updateToSelection().

Referenced by RealSpaceWidget::hideEvent(), and RealSpaceWidget::showEvent().

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sideView

void RealSpaceCanvas::sideView ( )

privateslot

Definition at line 224 of file RealSpaceCanvas.cpp.

{
    m_view->sideView();
}

References m_view, and RealSpaceView::sideView().

Referenced by onSideViewAction().

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topView

void RealSpaceCanvas::topView ( )

privateslot

Definition at line 229 of file RealSpaceCanvas.cpp.

{
    m_view->topView();
}

References m_view, and RealSpaceView::topView().

Referenced by onTopViewAction().

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updateScene

void RealSpaceCanvas::updateScene ( )

privateslot

Definition at line 180 of file RealSpaceCanvas.cpp.

{
    QApplication::setOverrideCursor(Qt::WaitCursor);
 
    m_realSpaceModel.reset(new RealSpaceModel);
    auto item = m_sampleModel->itemForIndex(m_currentSelection);
    if (!item)
        return;
 
    RealSpaceBuilder builder3D;
 
    try {
        m_warningSign->clear();
        // if the view is locked, keep the current orientation of the camera
        if (m_view_locked)
            builder3D.populate(m_realSpaceModel.get(), *item, *m_sceneGeometry,
                               m_view->getCamera().getPos());
        // otherwise use default orientation of camera
        else {
            builder3D.populate(m_realSpaceModel.get(), *item, *m_sceneGeometry);
            defaultView(); // Enforces default view and also sets the zoomLevel to default i.e. 0
        }
    } catch (const std::exception& ex) {
        m_warningSign->setWarningMessage(ex.what());
    } catch (...) {
        // ignore other exceptions thrown
    }
    m_view->setModel(m_realSpaceModel.get());
 
    QApplication::restoreOverrideCursor();
}

References WarningSign::clear(), defaultView(), RealSpaceView::getCamera(), RealSpace::Camera::getPos(), SessionModel::itemForIndex(), m_currentSelection, m_realSpaceModel, m_sampleModel, m_sceneGeometry, m_view, m_view_locked, m_warningSign, RealSpaceBuilder::populate(), RealSpaceView::setModel(), and WarningSign::setWarningMessage().

Referenced by onChangeLayerSizeAction(), onDataChanged(), setConnected(), and updateToSelection().

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updateToSelection

void RealSpaceCanvas::updateToSelection ( )

slot

Definition at line 81 of file RealSpaceCanvas.cpp.

{
    if (!m_selectionModel)
        return;
 
    if (!m_view_locked) {
        QModelIndexList indices = m_selectionModel->selection().indexes();
 
        if (!indices.empty())
            m_currentSelection = FilterPropertyProxy::toSourceIndex(indices.back());
        else
            m_currentSelection = {};
        // if no object is selected then display nothing on canvas
 
        updateScene();
    }
}

References m_currentSelection, m_selectionModel, m_view_locked, FilterPropertyProxy::toSourceIndex(), and updateScene().

Referenced by onLockViewAction(), onSelectionChanged(), and setModel().

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Member Data Documentation

m_currentSelection

QModelIndex RealSpaceCanvas::m_currentSelection

private

Definition at line 92 of file RealSpaceCanvas.h.

Referenced by onChangeLayerSizeAction(), onRowsAboutToBeRemoved(), resetScene(), setConnected(), updateScene(), and updateToSelection().

m_realSpaceModel

std::unique_ptr<RealSpaceModel> RealSpaceCanvas::m_realSpaceModel

private

Definition at line 94 of file RealSpaceCanvas.h.

Referenced by resetScene(), and updateScene().

m_sampleModel

SampleModel* RealSpaceCanvas::m_sampleModel

private

Definition at line 91 of file RealSpaceCanvas.h.

Referenced by onDataChanged(), onRowsAboutToBeRemoved(), setModel(), and updateScene().

m_sceneGeometry

std::unique_ptr<SceneGeometry> RealSpaceCanvas::m_sceneGeometry

private

Definition at line 97 of file RealSpaceCanvas.h.

Referenced by onChangeLayerSizeAction(), and updateScene().

m_selectionModel

QItemSelectionModel* RealSpaceCanvas::m_selectionModel

private

Definition at line 95 of file RealSpaceCanvas.h.

Referenced by setModel(), and updateToSelection().

m_view

RealSpaceView* RealSpaceCanvas::m_view

private

Definition at line 93 of file RealSpaceCanvas.h.

Referenced by RealSpaceCanvas(), defaultView(), resetScene(), sideView(), topView(), and updateScene().

m_view_locked

bool RealSpaceCanvas::m_view_locked

private

Definition at line 96 of file RealSpaceCanvas.h.

Referenced by onLockViewAction(), updateScene(), and updateToSelection().

m_warningSign

WarningSign* RealSpaceCanvas::m_warningSign

private

Definition at line 98 of file RealSpaceCanvas.h.

Referenced by updateScene().

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The documentation for this class was generated from the following files:

• /home/www/ba/GUI/coregui/Views/RealSpaceWidgets/RealSpaceCanvas.h
• /home/www/ba/GUI/coregui/Views/RealSpaceWidgets/RealSpaceCanvas.cpp