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macos: impl relative mouse motion

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this fixes mouse movement in games
This commit is contained in:
Ferdinand Schober
2023-12-19 21:25:29 +01:00
parent d9fa86ef00
commit 2ac9277fb0
1 changed files with 25 additions and 4 deletions
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29
src/backend/consumer/macos.rs
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@@ -3,9 +3,11 @@ use crate::consumer::EventConsumer;
use crate::event::{Event, KeyboardEvent, PointerEvent};
use anyhow::{anyhow, Result};
use async_trait::async_trait;
use core_graphics::display::CGPoint;
use core_graphics::display::{
CGDisplayBounds, CGMainDisplayID, CGPoint,
};
use core_graphics::event::{
CGEvent, CGEventTapLocation, CGEventType, CGMouseButton, ScrollEventUnit,
CGEvent, CGEventTapLocation, CGEventType, CGMouseButton, EventField, ScrollEventUnit,
};
use core_graphics::event_source::{CGEventSource, CGEventSourceStateID};
use std::ops::{Index, IndexMut};
@@ -78,6 +80,16 @@ impl EventConsumer for MacOSConsumer {
relative_x,
relative_y,
} => {
// FIXME secondary displays?
let (min_x, min_y, max_x, max_y) = unsafe {
let display = CGMainDisplayID();
let bounds = CGDisplayBounds(display);
let min_x = bounds.origin.x;
let max_x = bounds.origin.x + bounds.size.width;
let min_y = bounds.origin.y;
let max_y = bounds.origin.y + bounds.size.height;
(min_x as f64, min_y as f64, max_x as f64, max_y as f64)
};
let mut mouse_location = match self.get_mouse_location() {
Some(l) => l,
None => {
@@ -85,8 +97,9 @@ impl EventConsumer for MacOSConsumer {
return;
}
};
mouse_location.x += relative_x;
mouse_location.y += relative_y;
mouse_location.x = (mouse_location.x + relative_x).clamp(min_x, max_x - 1.);
mouse_location.y = (mouse_location.y + relative_y).clamp(min_y, max_y - 1.);
let mut event_type = CGEventType::MouseMoved;
if self.button_state.left {
@@ -108,6 +121,14 @@ impl EventConsumer for MacOSConsumer {
return;
}
};
event.set_integer_value_field(
EventField::MOUSE_EVENT_DELTA_X,
relative_x as i64,
);
event.set_integer_value_field(
EventField::MOUSE_EVENT_DELTA_Y,
relative_y as i64,
);
event.post(CGEventTapLocation::HID);
}
PointerEvent::Button {