Inheritance diagram for PaletteEventFilter:

Public Member Functions
bool	eventFilter (QObject watched, QEvent event) override

	PaletteEventFilter (KisPaletteView parentView, KisToolLazyBrushOptionsWidget optionsWidget)

Public Attributes
KisToolLazyBrushOptionsWidget *	m_optionsWidget

KisPaletteView *	m_parentView

Detailed Description

Definition at line 48 of file kis_tool_lazy_brush_options_widget.cpp.

Constructor & Destructor Documentation

◆ PaletteEventFilter()

PaletteEventFilter::PaletteEventFilter	(	KisPaletteView *	parentView,
		KisToolLazyBrushOptionsWidget *	optionsWidget )

inline

Definition at line 72 of file kis_tool_lazy_brush_options_widget.cpp.

        : QObject(optionsWidget),
          m_parentView(parentView),
          m_optionsWidget(optionsWidget)
 
    {}

Member Function Documentation

◆ eventFilter()

bool PaletteEventFilter::eventFilter	(	QObject *	watched,
		QEvent *	event )

inlineoverride

Definition at line 50 of file kis_tool_lazy_brush_options_widget.cpp.

    {
        if (event->type() == QEvent::Wheel) {
            QWheelEvent *wevent = static_cast<QWheelEvent*>(event);
 
            if (wevent->modifiers() == Qt::ControlModifier) {
                if (watched == m_parentView->viewport()) {
                    const int columnCountDelta = -wevent->angleDelta().y() / QWheelEvent::DefaultDeltasPerStep;
                    const int newColumnCount = qMax(1, m_optionsWidget->m_d->preferredColumnCount + columnCountDelta);
 
                    m_optionsWidget->m_d->preferredColumnCount = newColumnCount;
                    m_optionsWidget->slotColorLabelsChanged();
                }
 
                return true;
            }
 
        }
 
        return QObject::eventFilter(watched, event);
    }