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fix gui1 sliders

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this fixes issued with gui1 sliders beeing unable to handle negative min
values.
This commit is contained in:
gfgtdf 2016-02-18 23:07:18 +01:00
parent 8ee34c39b2
commit f507418655
1 changed files with 4 additions and 1 deletions
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5
src/widgets/slider.cpp
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@ -25,6 +25,9 @@
#include "video.hpp"
#include <boost/math/special_functions/sign.hpp>
namespace {
const std::string slider_image = ".png";
const std::string disabled_image = ".png~GS()";
@ -89,7 +92,7 @@ void slider::set_value(int value)
value = min_;
if (increment_ > 1) {
int hi = increment_ / 2;
int hi = boost::math::sign(value) * increment_ / 2;
value = ((value + hi) / increment_) * increment_;
}