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Allow one winit touch id at the time

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Wannes Van Leemput 2024-06-14 15:33:48 +02:00 • committed by Olivier Goffart
parent 62e0fdd5bd
commit 9f3eef8960
1 changed files with 27 additions and 20 deletions
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7
internal/backends/winit/event_loop.rs
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@ -247,6 +247,7 @@ pub struct EventLoopState {
// last seen cursor position
cursor_pos: LogicalPoint,
pressed: bool,
current_touch_id: Option<u64>,
loop_error: Option<PlatformError>,
current_resize_direction: Option<ResizeDirection>,
@ -410,11 +411,15 @@ impl EventLoopState {
runtime_window.process_mouse_input(ev);
}
WindowEvent::Touch(touch) => {
if Some(touch.id) == self.current_touch_id || self.current_touch_id.is_none() {
let location = touch.location.to_logical(runtime_window.scale_factor() as f64);
let position = euclid::point2(location.x, location.y);
let ev = match touch.phase {
winit::event::TouchPhase::Started => {
self.pressed = true;
if self.current_touch_id.is_none() {
self.current_touch_id = Some(touch.id);
}
MouseEvent::Pressed {
position,
button: PointerEventButton::Left,
@ -423,6 +428,7 @@ impl EventLoopState {
}
winit::event::TouchPhase::Ended | winit::event::TouchPhase::Cancelled => {
self.pressed = false;
self.current_touch_id = None;
MouseEvent::Released {
position,
button: PointerEventButton::Left,
@ -433,6 +439,7 @@ impl EventLoopState {
};
runtime_window.process_mouse_input(ev);
}
}
WindowEvent::ScaleFactorChanged { scale_factor, inner_size_writer: _ } => {
if std::env::var("SLINT_SCALE_FACTOR").is_err() {
window.window().dispatch_event(