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macos: fix scroll capture #350

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Merged
merged 1 commit into from
Nov 3, 2025
Merged

macos: fix scroll capture #350

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56 changes: 41 additions & 15 deletions input-capture/src/macos.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -318,21 +318,47 @@ fn get_events(
})))
}
CGEventType::ScrollWheel => {
let v = ev.get_integer_value_field(EventField::SCROLL_WHEEL_EVENT_POINT_DELTA_AXIS_1);
let h = ev.get_integer_value_field(EventField::SCROLL_WHEEL_EVENT_POINT_DELTA_AXIS_2);
if v != 0 {
result.push(CaptureEvent::Input(Event::Pointer(PointerEvent::Axis {
time: 0,
axis: 0, // Vertical
value: v as f64,
})));
}
if h != 0 {
result.push(CaptureEvent::Input(Event::Pointer(PointerEvent::Axis {
time: 0,
axis: 1, // Horizontal
value: h as f64,
})));
if ev.get_integer_value_field(EventField::SCROLL_WHEEL_EVENT_IS_CONTINUOUS) != 0 {
let v =
ev.get_integer_value_field(EventField::SCROLL_WHEEL_EVENT_POINT_DELTA_AXIS_1);
let h =
ev.get_integer_value_field(EventField::SCROLL_WHEEL_EVENT_POINT_DELTA_AXIS_2);
if v != 0 {
result.push(CaptureEvent::Input(Event::Pointer(PointerEvent::Axis {
time: 0,
axis: 0, // Vertical
value: v as f64,
})));
}
if h != 0 {
result.push(CaptureEvent::Input(Event::Pointer(PointerEvent::Axis {
time: 0,
axis: 1, // Horizontal
value: h as f64,
})));
}
} else {
// line based scrolling
const LINES_PER_STEP: i32 = 3;
const V120_STEPS_PER_LINE: i32 = 120 / LINES_PER_STEP;
let v = ev.get_integer_value_field(EventField::SCROLL_WHEEL_EVENT_DELTA_AXIS_1);
let h = ev.get_integer_value_field(EventField::SCROLL_WHEEL_EVENT_DELTA_AXIS_2);
if v != 0 {
result.push(CaptureEvent::Input(Event::Pointer(
PointerEvent::AxisDiscrete120 {
axis: 0, // Vertical
value: V120_STEPS_PER_LINE * v as i32,
},
)));
}
if h != 0 {
result.push(CaptureEvent::Input(Event::Pointer(
PointerEvent::AxisDiscrete120 {
axis: 1, // Horizontal
value: V120_STEPS_PER_LINE * h as i32,
},
)));
}
}
}
_ => (),
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