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winit-core: revise MouseButton type

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Unify the values of `MouseButton` and thus remove `Other` variant in
limit possible buttons to 32, which was picked based on platform
capabilities, where 32 is the highest.

For the reference, SDL has identical limit.
This commit is contained in:
Diggory Hardy
2025-08-07 09:52:34 +01:00
committed by Kirill Chibisov
parent 779f52a21f
commit 9d9d21cfdb
8 changed files with 191 additions and 229 deletions
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31
winit-wayland/src/seat/pointer/mod.rs
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@@ -30,7 +30,7 @@ use sctk::seat::SeatState;
use dpi::{LogicalPosition, PhysicalPosition};
use winit_core::event::{
ElementState, MouseButton, MouseScrollDelta, PointerKind, PointerSource, TouchPhase,
WindowEvent,
WindowEvent, ButtonSource,
};
use crate::state::WinitState;
@@ -108,8 +108,8 @@ impl PointerHandler for WinitState {
if parent_surface != surface =>
{
let click = match wayland_button_to_winit(button) {
MouseButton::Left => FrameClick::Normal,
MouseButton::Right => FrameClick::Alternate,
ButtonSource::Mouse(MouseButton::Left) => FrameClick::Normal,
ButtonSource::Mouse(MouseButton::Right) => FrameClick::Alternate,
_ => continue,
};
let pressed = matches!(kind, PointerEventKind::Press { .. });
@@ -186,7 +186,7 @@ impl PointerHandler for WinitState {
device_id: None,
state,
position,
button: button.into(),
button,
},
window_id,
);
@@ -409,23 +409,16 @@ impl Default for WinitPointerDataInner {
}
/// Convert the Wayland button into winit.
fn wayland_button_to_winit(button: u32) -> MouseButton {
fn wayland_button_to_winit(button: u32) -> ButtonSource {
// These values are coming from <linux/input-event-codes.h>.
const BTN_LEFT: u32 = 0x110;
const BTN_RIGHT: u32 = 0x111;
const BTN_MIDDLE: u32 = 0x112;
const BTN_SIDE: u32 = 0x113;
const BTN_EXTRA: u32 = 0x114;
const BTN_FORWARD: u32 = 0x115;
const BTN_BACK: u32 = 0x116;
const BTN_MOUSE: u32 = 0x110;
const BTN_JOYSTICK: u32 = 0x120;
match button {
BTN_LEFT => MouseButton::Left,
BTN_RIGHT => MouseButton::Right,
BTN_MIDDLE => MouseButton::Middle,
BTN_BACK | BTN_SIDE => MouseButton::Back,
BTN_FORWARD | BTN_EXTRA => MouseButton::Forward,
button => MouseButton::Other(button as u16),
if (BTN_MOUSE..BTN_JOYSTICK).contains(&button) {
// Mapping orders match
MouseButton::try_from_u8((button - BTN_MOUSE) as u8).unwrap().into()
} else {
ButtonSource::Unknown(button as u16)
}
}