old-hiro/qt/widget/horizontal-slider.cpp
2016-05-15 12:45:15 +02:00

46 lines
1.1 KiB
C++

#if defined(Hiro_HorizontalSlider)
namespace hiro {
auto pHorizontalSlider::minimumSize() const -> Size {
return {0, 20};
}
auto pHorizontalSlider::setLength(unsigned length) -> void {
_setState();
}
auto pHorizontalSlider::setPosition(unsigned position) -> void {
_setState();
}
auto pHorizontalSlider::construct() -> void {
qtWidget = qtHorizontalSlider = new QtHorizontalSlider(*this);
qtHorizontalSlider->setRange(0, 100);
qtHorizontalSlider->setPageStep(101 >> 3);
qtHorizontalSlider->connect(qtHorizontalSlider, SIGNAL(valueChanged(int)), SLOT(onChange()));
pWidget::construct();
_setState();
}
auto pHorizontalSlider::destruct() -> void {
delete qtHorizontalSlider;
qtWidget = qtHorizontalSlider = nullptr;
}
auto pHorizontalSlider::_setState() -> void {
signed length = state().length + (state().length == 0);
qtHorizontalSlider->setRange(0, length - 1);
qtHorizontalSlider->setPageStep(length >> 3);
qtHorizontalSlider->setValue(state().position);
}
auto QtHorizontalSlider::onChange() -> void {
p.state().position = value();
p.self().doChange();
}
}
#endif