TickedSlider Class Reference

#include <tickedslider.h>

Inherits QSlider.

Public Member Functions
	TickedSlider (QWidget *parent=0)
void	setTickColor (const QColor &color)

Protected Member Functions
virtual void	paintEvent (QPaintEvent *ev)

Private Attributes
QColor	m_tickColor

Detailed Description

Definition at line 28 of file tickedslider.h.

Constructor & Destructor Documentation

TickedSlider()

TickedSlider::TickedSlider

(

QWidget *

parent = 0

)

Definition at line 27 of file tickedslider.cpp.

                                          :
    QSlider(parent),
    m_tickColor(Qt::white)
{ }

Member Function Documentation

paintEvent()

void TickedSlider::paintEvent ( QPaintEvent *  ev )

protectedvirtual

Definition at line 32 of file tickedslider.cpp.

References i, and m_tickColor.

{
    (void) ev;
    QStylePainter p(this);
    QStyleOptionSlider opt;
    initStyleOption(&opt);

    QRect handle = style()->subControlRect(QStyle::CC_Slider, &opt, QStyle::SC_SliderHandle, this);

    // draw tick marks
    // do this manually because they are very badly behaved with style sheets
    int interval = tickInterval();
    if (interval == 0)
    {
        interval = pageStep();
    }

    if (tickPosition() != NoTicks)
    {
        for (int i = minimum(); i <= maximum(); i += interval)
        {
            int x = roundf((double)((double)((double)(i - this->minimum()) / (double)(this->maximum() - this->minimum())) * (double)(this->width() - handle.width()) + (double)(handle.width() / 2.0))) - 1;
            int h = 4;
            p.setPen(m_tickColor);
            if (tickPosition() == TicksBothSides || tickPosition() == TicksAbove)
            {
                int y = this->rect().top();
                p.drawLine(x, y, x, y + h);
            }
            if (tickPosition() == TicksBothSides || tickPosition() == TicksBelow)
            {
                int y = this->rect().bottom();
                p.drawLine(x, y, x, y - h);
            }

        }
    }

    // draw the slider (this is basically copy/pasted from QSlider::paintEvent)
    opt.subControls = QStyle::SC_SliderGroove;
    p.drawComplexControl(QStyle::CC_Slider, opt);

    // draw the slider handle
    opt.subControls = QStyle::SC_SliderHandle;
    p.drawComplexControl(QStyle::CC_Slider, opt);
}

setTickColor()

void TickedSlider::setTickColor ( const QColor &  color )

inline

Definition at line 32 of file tickedslider.h.

{ m_tickColor = color; }

Member Data Documentation

m_tickColor

QColor TickedSlider::m_tickColor

private

Definition at line 38 of file tickedslider.h.

Referenced by paintEvent().

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

• sdrgui/gui/tickedslider.h
• sdrgui/gui/tickedslider.cpp