Files
bevy_wayland/src/input_handler/pointer.rs
T

128 lines
4.8 KiB
Rust

use bevy::{
input::{
mouse::{MouseButtonInput, MouseScrollUnit, MouseWheel},
ButtonState,
},
prelude::MouseButton,
window::{CursorEntered, CursorLeft, CursorMoved, Window, WindowEvent},
};
use smithay_client_toolkit::{
delegate_pointer, reexports::client::Proxy, seat::pointer::PointerHandler,
};
use crate::{surface_handler::WaylandSurfaces, WaylandState};
/// Converts a u32 button code to a Bevy MouseButton.
fn convert_to_mouse_button(button: u32) -> MouseButton {
match button {
272 => MouseButton::Left,
273 => MouseButton::Right,
274 => MouseButton::Middle,
277 => MouseButton::Forward,
278 => MouseButton::Back,
other => MouseButton::Other(other as u16),
}
}
impl PointerHandler for WaylandState {
fn pointer_frame(
&mut self,
_: &smithay_client_toolkit::reexports::client::Connection,
_: &smithay_client_toolkit::reexports::client::QueueHandle<Self>,
_: &smithay_client_toolkit::reexports::client::protocol::wl_pointer::WlPointer,
events: &[smithay_client_toolkit::seat::pointer::PointerEvent],
) {
for event in events {
let smithay_windows = self.world().non_send_resource::<WaylandSurfaces>();
let entity = smithay_windows.get_window_entity(&event.surface.id());
if entity.is_none() {
continue;
}
let entity = *entity.unwrap();
let window = self.world().get::<Window>(entity).unwrap().clone();
let mut position = bevy::math::Vec2 {
x: event.position.0 as f32,
y: event.position.1 as f32,
};
let delta = window
.physical_cursor_position()
.map(|old_position| (position - old_position) / window.scale_factor());
let pointer_event: WindowEvent = match event.kind {
smithay_client_toolkit::seat::pointer::PointerEventKind::Enter { .. } => {
CursorEntered { window: entity }.into()
}
smithay_client_toolkit::seat::pointer::PointerEventKind::Leave { .. } => {
CursorLeft { window: entity }.into()
}
smithay_client_toolkit::seat::pointer::PointerEventKind::Motion { .. } => {
self.world_mut()
.get_mut::<Window>(entity)
.unwrap()
.set_physical_cursor_position(Some(position.as_dvec2()));
position /= window.scale_factor();
CursorMoved {
window: entity,
position,
delta,
}
.into()
}
smithay_client_toolkit::seat::pointer::PointerEventKind::Press {
button, ..
} => MouseButtonInput {
button: convert_to_mouse_button(button),
state: ButtonState::Pressed,
window: entity,
}
.into(),
smithay_client_toolkit::seat::pointer::PointerEventKind::Release {
button, ..
} => MouseButtonInput {
button: convert_to_mouse_button(button),
state: ButtonState::Released,
window: entity,
}
.into(),
smithay_client_toolkit::seat::pointer::PointerEventKind::Axis {
horizontal,
vertical,
..
} => MouseWheel {
unit: MouseScrollUnit::Pixel,
x: horizontal.absolute as f32,
y: vertical.absolute as f32,
window: entity,
}
.into(),
};
let window_event: WindowEvent = pointer_event;
match window_event.clone() {
WindowEvent::CursorEntered(e) => {
self.world_mut().write_message(e);
}
WindowEvent::CursorLeft(e) => {
self.world_mut().write_message(e);
}
WindowEvent::CursorMoved(e) => {
self.world_mut().write_message(e);
}
WindowEvent::MouseButtonInput(e) => {
self.world_mut().write_message(e);
}
WindowEvent::MouseMotion(e) => {
self.world_mut().write_message(e);
}
WindowEvent::MouseWheel(e) => {
self.world_mut().write_message(e);
}
_ => {}
}
self.world_mut().write_message::<WindowEvent>(window_event);
}
}
}
delegate_pointer!(WaylandState);