leyoda/winit
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

win32: account for mouse wheel speed setting

Browse source 
Also adds a method to toggle this behavior during runtime.
This commit is contained in:
Tony 2025-08-23 20:38:56 +08:00 • committed by GitHub
parent b13b39aa0b
commit 317d62fb93
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
5 changed files with 96 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

28
winit-win32/src/lib.rs
View file

@ -285,6 +285,15 @@ pub trait WindowExtWindows {
/// Supported starting with Windows 11 Build 22000.
fn set_corner_preference(&self, preference: CornerPreference);
/// Sets if the reported [`winit_core::event::WindowEvent::MouseWheel`] event
/// should account for scroll speed system settings.
///
/// The default scroll speed on Windows is 3 lines/characters per scroll,
/// this will be 1 if you set it to false.
///
/// The default is `true`.
fn set_use_system_scroll_speed(&self, should_use: bool);
/// Get the raw window handle for this [`Window`] without checking for thread affinity.
///
/// Window handles in Win32 have a property called "thread affinity" that ties them to their
@ -398,6 +407,11 @@ impl WindowExtWindows for dyn CoreWindow + '_ {
window.set_corner_preference(preference)
}
fn set_use_system_scroll_speed(&self, should_use: bool) {
let window = self.cast_ref::<Window>().unwrap();
window.set_use_system_scroll_speed(should_use)
}
unsafe fn window_handle_any_thread(
&self,
) -> Result<rwh_06::WindowHandle<'_>, rwh_06::HandleError> {
@ -459,6 +473,7 @@ pub struct WindowAttributesWindows {
pub(crate) title_background_color: Option<Color>,
pub(crate) title_text_color: Option<Color>,
pub(crate) corner_preference: Option<CornerPreference>,
pub(crate) use_system_wheel_speed: bool,
}
impl Default for WindowAttributesWindows {
@ -478,6 +493,7 @@ impl Default for WindowAttributesWindows {
title_background_color: None,
title_text_color: None,
corner_preference: None,
use_system_wheel_speed: true,
}
}
}
@ -610,6 +626,18 @@ impl WindowAttributesWindows {
self.corner_preference = Some(corners);
self
}
/// Sets if the reported [`winit_core::event::WindowEvent::MouseWheel`] event
/// should account for scroll speed system settings.
///
/// The default scroll speed on Windows is 3 lines/characters per scroll,
/// this will be 1 if you set it to false.
///
/// The default is `true`.
pub fn with_use_system_scroll_speed(mut self, should_use: bool) -> Self {
self.use_system_wheel_speed = should_use;
self
}
}
impl PlatformWindowAttributes for WindowAttributesWindows {