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HintedSpinBox.cpp
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HintedSpinBox.cpp
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#include "HintedSpinBox.hpp"
#include <algorithm>
auto HintedSpinBox::values (values_type values, bool set_min_max) -> values_type
{
// replace any prior values
std::swap (values, values_);
// sort values and make unique
std::sort (values_.begin (), values_.end ());
auto last = std::unique (values_.begin (), values_.end ());
values_.erase (last, values_.end ());
if (set_min_max)
{
setMinimum (values_.front ());
setMaximum (values_.back ());
}
return values; // return old values
}
void HintedSpinBox::stepBy (int steps)
{
if (values_.size ())
{
if (steps > 0)
{
auto p = std::upper_bound (values_.begin (), values_.end (), value ());
if (p != values_.end () && *p <= maximum ())
{
setValue (*p);
}
else if (wrapping ())
{
setValue (values_.front ());
}
}
else if (steps < 0)
{
auto p = std::lower_bound (values_.begin (), values_.end (), value ());
if (p != values_.begin () && *(p - 1) >= minimum ())
{
setValue (*(p - 1));
}
else if (wrapping ())
{
setValue (values_.back ());
}
}
}
else
{
QSpinBox::stepBy (steps); // no values so revert to QSpinBox behaviour
}
}