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Generate mouse move events as well as scroll events while scrolling

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This commit is contained in:
Alan Jeffrey 2018-11-30 11:35:28 -06:00
parent 6a1e948ec7
commit ce4c53bb7f
1 changed files with 19 additions and 13 deletions
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32
ports/libmlservo/src/lib.rs
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@ -200,10 +200,10 @@ pub unsafe extern "C" fn move_servo(servo: *mut ServoInstance, x: f32, y: f32) {
// Servo's cursor was moved
if let Some(servo) = servo.as_mut() {
let point = DevicePoint::new(x, y);
let (new_state, window_event) = match servo.scroll_state {
let (new_state, window_events) = match servo.scroll_state {
ScrollState::TriggerUp => (
ScrollState::TriggerUp,
WindowEvent::MouseWindowMoveEventClass(point),
vec![WindowEvent::MouseWindowMoveEventClass(point)],
),
ScrollState::TriggerDown(start)
if (start - point).square_length() < DRAG_CUTOFF_SQUARED =>
@ -212,23 +212,29 @@ pub unsafe extern "C" fn move_servo(servo: *mut ServoInstance, x: f32, y: f32) {
},
ScrollState::TriggerDown(start) => (
ScrollState::TriggerDragging(start, point),
WindowEvent::Scroll(
ScrollLocation::Delta((point - start) * servo.scroll_scale),
start.to_i32(),
TouchEventType::Down,
),
vec![
WindowEvent::MouseWindowMoveEventClass(point),
WindowEvent::Scroll(
ScrollLocation::Delta((point - start) * servo.scroll_scale),
start.to_i32(),
TouchEventType::Down,
),
],
),
ScrollState::TriggerDragging(start, prev) => (
ScrollState::TriggerDragging(start, point),
WindowEvent::Scroll(
ScrollLocation::Delta((point - prev) * servo.scroll_scale),
start.to_i32(),
TouchEventType::Move,
),
vec![
WindowEvent::MouseWindowMoveEventClass(point),
WindowEvent::Scroll(
ScrollLocation::Delta((point - prev) * servo.scroll_scale),
start.to_i32(),
TouchEventType::Move,
),
],
),
};
servo.scroll_state = new_state;
servo.servo.handle_events(vec![window_event]);
servo.servo.handle_events(window_events);
}
}