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fix refresh_rate_millihertz on macOS (#3254)

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* fix refresh_rate_millihertz on macOS

* round after conversion to mHz

* add changelog entry
This commit is contained in:
Xiaopeng Li
2023-12-01 22:52:16 +08:00
committed by GitHub
parent da947992ac
commit f735f028a1
2 changed files with 10 additions and 1 deletions
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10
src/platform_impl/macos/monitor.rs
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@@ -7,7 +7,9 @@ use core_foundation::{
base::{CFRelease, TCFType},
string::CFString,
};
use core_graphics::display::{CGDirectDisplayID, CGDisplay, CGDisplayBounds};
use core_graphics::display::{
CGDirectDisplayID, CGDisplay, CGDisplayBounds, CGDisplayCopyDisplayMode,
};
use objc2::rc::Id;
use super::appkit::NSScreen;
@@ -216,6 +218,12 @@ impl MonitorHandle {
pub fn refresh_rate_millihertz(&self) -> Option<u32> {
unsafe {
let current_display_mode = NativeDisplayMode(CGDisplayCopyDisplayMode(self.0) as _);
let refresh_rate = ffi::CGDisplayModeGetRefreshRate(current_display_mode.0);
if refresh_rate > 0.0 {
return Some((refresh_rate * 1000.0).round() as u32);
}
let mut display_link = std::ptr::null_mut();
if ffi::CVDisplayLinkCreateWithCGDisplay(self.0, &mut display_link)
!= ffi::kCVReturnSuccess