本文整理汇总了C++中QSpinBox::lineStep方法的典型用法代码示例。如果您正苦于以下问题:C++ QSpinBox::lineStep方法的具体用法?C++ QSpinBox::lineStep怎么用?C++ QSpinBox::lineStep使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QSpinBox
的用法示例。
在下文中一共展示了QSpinBox::lineStep方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: setRange
void KDoubleNumInput::setRange(double lower, double upper, double step,
bool slider)
{
if( m_slider ) {
// don't update the slider to avoid an endless recursion
QSpinBox * spin = d->spin;
disconnect(spin, SIGNAL(valueChanged(int)),
m_slider, SLOT(setValue(int)) );
}
d->spin->setRange( lower, upper, step, d->spin->precision() );
if(slider) {
// upcast to base type to get the min/maxValue in int form:
QSpinBox * spin = d->spin;
int slmax = spin->maxValue();
int slmin = spin->minValue();
int slvalue = spin->value();
int slstep = spin->lineStep();
if (m_slider) {
m_slider->setRange(slmin, slmax);
m_slider->setLineStep(slstep);
m_slider->setValue(slvalue);
} else {
m_slider = new QSlider(slmin, slmax, slstep, slvalue,
QSlider::Horizontal, this);
m_slider->setTickmarks(QSlider::Below);
// feedback line: when one moves, the other moves, too:
connect(m_slider, SIGNAL(valueChanged(int)),
SLOT(sliderMoved(int)) );
}
connect(spin, SIGNAL(valueChanged(int)),
m_slider, SLOT(setValue(int)) );
// calculate ( slmax - slmin ) / 10 without overflowing ints:
int major = calcDiffByTen( slmax, slmin );
if ( !major ) major = slstep; // ### needed?
m_slider->setTickInterval(major);
} else {
delete m_slider;
m_slider = 0;
}
setReferencePoint( referencePoint() );
layout(true);
updateLegacyMembers();
}