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LibGUI: Fix value slider so dragging left and right feels similar

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When dragging value slider left, the handle would snap to lower value
with the slightest move of the mouse. When dragging to the right
however, it would take a lot more movement to cause a change in value.
This asymmetry made it feel awkward to drag the mouse around. It was
caused by always rounding down using a cast to int. By rounding to the
nearest integer first, we ensure symmetric behavior.
This commit is contained in:
Andreas Oppebøen
2023-03-01 21:19:45 +01:00
committed by Andreas Kling
parent c8547124e2
commit a30b341a2c
1 changed files with 1 additions and 1 deletions
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Userland/Libraries/LibGUI/ValueSlider.cpp
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@@ -146,7 +146,7 @@ int ValueSlider::value_at(Gfx::IntPoint position) const
float relative_offset = (float)(position.x() - bar_rect().left()) / (float)bar_rect().width();
int range = max() - min();
return min() + (int)(relative_offset * (float)range);
return min() + (int)roundf(relative_offset * (float)range);
}
void ValueSlider::set_value(int value, AllowCallback allow_callback, DoClamp do_clamp)