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inputmgr: ensure we dont divide by zero (#6713)

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some weird combination of scrolling/nesting hyprland and closing a
window i managed to divide by zero here, reported by ubsan. add a check
to ensure we dont hit UB.
This commit is contained in:
Tom Englund
2024-06-30 13:15:59 +02:00
committed by GitHub
parent 718afe271e
commit 8ff9410d2c
1 changed files with 1 additions and 1 deletions
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src/managers/input/InputManager.cpp
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@@ -798,7 +798,7 @@ void CInputManager::onMouseWheel(IPointer::SAxisEvent e) {
} }
} }
} }
double deltaDiscrete = factor * e.deltaDiscrete / std::abs(e.deltaDiscrete); double deltaDiscrete = (e.deltaDiscrete != 0) ? (factor * e.deltaDiscrete / std::abs(e.deltaDiscrete)) : 0;
g_pSeatManager->sendPointerAxis(e.timeMs, e.axis, factor * e.delta, deltaDiscrete > 0 ? std::ceil(deltaDiscrete) : std::floor(deltaDiscrete), g_pSeatManager->sendPointerAxis(e.timeMs, e.axis, factor * e.delta, deltaDiscrete > 0 ? std::ceil(deltaDiscrete) : std::floor(deltaDiscrete),
std::round(factor * e.deltaDiscrete), e.source, WL_POINTER_AXIS_RELATIVE_DIRECTION_IDENTICAL); std::round(factor * e.deltaDiscrete), e.source, WL_POINTER_AXIS_RELATIVE_DIRECTION_IDENTICAL);
} }