WarningSign Class Reference

The WarningSign controls appearance of WarningSignWidget on top of parent widget. More...

Inheritance diagram for WarningSign:

Collaboration diagram for WarningSign:

Public Member Functions
	WarningSign (QWidget *parent)
void	clear ()
	Clears warning message;. More...
bool	isShown () const
void	setArea (QWidget *area)
void	setWarningHeader (const QString &warningHeader)
void	setWarningMessage (const QString &warningMessage)
	Shows warning sign on the screen. More...

Protected Member Functions
bool	eventFilter (QObject *obj, QEvent *event)

Private Member Functions
QPoint	positionForWarningSign () const
void	updateLabelGeometry ()

Private Attributes
QWidget *	m_area
bool	m_clear_just_had_happened
QString	m_warning_header
QString	m_warning_message
WarningSignWidget *	m_warningWidget

Detailed Description

The WarningSign controls appearance of WarningSignWidget on top of parent widget.

Definition at line 25 of file WarningSign.h.

Constructor & Destructor Documentation

WarningSign()

WarningSign::WarningSign

(

QWidget *

parent

)

Definition at line 28 of file WarningSign.cpp.

    : QObject(parent)
    , m_warning_header("Houston, we have a problem.")
    , m_warningWidget(0)
    , m_area(nullptr)
    , m_clear_just_had_happened(false)
{
    setArea(parent);
}

References setArea().

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Member Function Documentation

clear()

void WarningSign::clear

(

)

Clears warning message;.

Definition at line 40 of file WarningSign.cpp.

{
    delete m_warningWidget;
    m_warningWidget = 0;
    m_warning_message.clear();
 
    m_clear_just_had_happened = true;
    QTimer::singleShot(10, this, [=]() { m_clear_just_had_happened = false; });
}

References m_clear_just_had_happened, m_warning_message, and m_warningWidget.

Referenced by PySampleWidget::generateCodeSnippet(), PythonScriptWidget::generatePythonScript(), DistributionWidget::init_plot(), RunFitControlWidget::onFittingError(), ParameterTuningWidget::onPropertyChanged(), RunFitControlWidget::updateControlElements(), and RealSpaceCanvas::updateScene().

eventFilter()

bool WarningSign::eventFilter ( QObject *  obj, QEvent *  event  )

protected

Definition at line 89 of file WarningSign.cpp.

{
    if (event->type() == QEvent::Resize)
        updateLabelGeometry();
 
    return QObject::eventFilter(obj, event);
}

References updateLabelGeometry().

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isShown()

bool WarningSign::isShown

(

)

const

Definition at line 84 of file WarningSign.cpp.

{
    return (m_warningWidget == nullptr ? false : true);
}

References m_warningWidget.

positionForWarningSign()

QPoint WarningSign::positionForWarningSign ( ) const

private

Definition at line 106 of file WarningSign.cpp.

{
    ASSERT(m_area);
 
    int x = m_area->width() - xpos_offset;
    int y = m_area->height() - ypos_offset;
 
    if (QAbstractScrollArea* scrollArea = dynamic_cast<QAbstractScrollArea*>(m_area)) {
 
        if (QScrollBar* horizontal = scrollArea->horizontalScrollBar()) {
            if (horizontal->isVisible())
                y -= horizontal->height();
        }
 
        if (QScrollBar* vertical = scrollArea->verticalScrollBar()) {
            if (vertical->isVisible())
                x -= vertical->width();
        }
    }
 
    return QPoint(x, y);
}

References ASSERT, and m_area.

Referenced by updateLabelGeometry().

setArea()

void WarningSign::setArea

(

QWidget *

area

)

Definition at line 78 of file WarningSign.cpp.

{
    m_area = area;
    m_area->installEventFilter(this);
}

References m_area.

Referenced by WarningSign().

setWarningHeader()

void WarningSign::setWarningHeader

(

const QString &

warningHeader

)

Definition at line 50 of file WarningSign.cpp.

{
    m_warning_header = warningHeader;
}

References m_warning_header.

setWarningMessage()

void WarningSign::setWarningMessage

(

const QString &

warningMessage

)

Shows warning sign on the screen.

If clear of previous warning sign had happened just few msec ago, make a small delay, to stress its reapearance.

Definition at line 58 of file WarningSign.cpp.

{
    ASSERT(m_area);
 
    if (m_clear_just_had_happened) {
        m_clear_just_had_happened = false;
        QTimer::singleShot(50, this, [=]() { setWarningMessage(warningMessage); });
    } else {
 
        m_warning_message = warningMessage;
 
        if (!m_warningWidget)
            m_warningWidget = new WarningSignWidget(m_area);
 
        m_warningWidget->setWarningMessage(m_warning_message);
        updateLabelGeometry();
        m_warningWidget->show();
    }
}

References ASSERT, m_area, m_clear_just_had_happened, m_warning_message, m_warningWidget, WarningSignWidget::setWarningMessage(), and updateLabelGeometry().

Referenced by PySampleWidget::generateCodeSnippet(), PythonScriptWidget::generatePythonScript(), RunFitControlWidget::onFittingError(), ParameterTuningWidget::onPropertyChanged(), DistributionWidget::plotItem(), and RealSpaceCanvas::updateScene().

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updateLabelGeometry()

void WarningSign::updateLabelGeometry ( )

private

Definition at line 97 of file WarningSign.cpp.

{
    if (!m_warningWidget || !m_area)
        return;
 
    QPoint pos = positionForWarningSign();
    m_warningWidget->setPosition(pos.x(), pos.y());
}

References m_area, m_warningWidget, positionForWarningSign(), and WarningSignWidget::setPosition().

Referenced by eventFilter(), and setWarningMessage().

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Member Data Documentation

m_area

QWidget* WarningSign::m_area

private

Definition at line 49 of file WarningSign.h.

Referenced by positionForWarningSign(), setArea(), setWarningMessage(), and updateLabelGeometry().

m_clear_just_had_happened

bool WarningSign::m_clear_just_had_happened

private

Definition at line 50 of file WarningSign.h.

Referenced by clear(), and setWarningMessage().

m_warning_header

QString WarningSign::m_warning_header

private

Definition at line 46 of file WarningSign.h.

Referenced by setWarningHeader().

m_warning_message

QString WarningSign::m_warning_message

private

Definition at line 47 of file WarningSign.h.

Referenced by clear(), and setWarningMessage().

m_warningWidget

WarningSignWidget* WarningSign::m_warningWidget

private

Definition at line 48 of file WarningSign.h.

Referenced by clear(), isShown(), setWarningMessage(), and updateLabelGeometry().

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

• /home/www/ba/GUI/coregui/Views/InfoWidgets/WarningSign.h
• /home/www/ba/GUI/coregui/Views/InfoWidgets/WarningSign.cpp