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tree: implement pointer constraints

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This commit is contained in:
Julian Orth 2022-07-21 20:16:22 +02:00
parent d4c4497043
commit 38d1267ec9
19 changed files with 707 additions and 4 deletions
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37
src/ifs/wl_seat/event_handling.rs
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@ -19,6 +19,7 @@ use {
AXIS_VALUE120_SINCE_VERSION, POINTER_FRAME_SINCE_VERSION, WHEEL_TILT,
WHEEL_TILT_SINCE_VERSION,
},
zwp_pointer_constraints_v1::{ConstraintType, SeatConstraintStatus},
zwp_relative_pointer_v1::ZwpRelativePointerV1,
Dnd, SeatId, WlSeat, WlSeatGlobal, CHANGE_CURSOR_MOVED,
},
@ -216,6 +217,11 @@ impl WlSeatGlobal {
let pos = output.node.global.pos.get();
x += Fixed::from_int(pos.x1());
y += Fixed::from_int(pos.y1());
if let Some(c) = self.constraint.get() {
if c.ty == ConstraintType::Lock || !c.contains(x.round_down(), y.round_down()) {
c.deactivate();
}
}
self.state.for_each_seat_tester(|t| {
t.send_pointer_abs(self.id, time_usec, x, y);
});
@ -238,9 +244,26 @@ impl WlSeatGlobal {
dx_unaccelerated,
dy_unaccelerated,
);
let constraint = self.constraint.get();
let locked = match &constraint {
Some(c) if c.ty == ConstraintType::Lock => true,
_ => false,
};
let (mut x, mut y) = self.pos.get();
x += dx;
y += dy;
if !locked {
x += dx;
y += dy;
if let Some(c) = &constraint {
let surface_pos = c.surface.buffer_abs_pos.get();
let (x_rel, y_rel) = (x - surface_pos.x1(), y - surface_pos.y1());
let contained = surface_pos.contains(x.round_down(), y.round_down())
&& c.contains(x_rel.round_down(), y_rel.round_down());
if !contained {
let (x_rel, y_rel) = c.warp(x_rel, y_rel);
(x, y) = (x_rel + surface_pos.x1(), y_rel + surface_pos.y1());
}
}
}
self.state.for_each_seat_tester(|t| {
t.send_pointer_rel(
self.id,
@ -604,6 +627,7 @@ impl WlSeatGlobal {
let time = (self.pos_time_usec.get() / 1000) as u32;
self.surface_pointer_event(0, n, |p| p.send_motion(time, x, y));
self.surface_pointer_frame(n);
self.maybe_constrain(n, x, y);
}
}
@ -641,6 +665,12 @@ impl WlSeatGlobal {
n.client.last_enter_serial.set(serial);
self.surface_pointer_event(0, n, |p| p.send_enter(serial, n.id, x, y));
self.surface_pointer_frame(n);
for (_, constraint) in &n.constraints {
if constraint.status.get() == SeatConstraintStatus::ActivatableOnFocus {
constraint.status.set(SeatConstraintStatus::Inactive);
}
}
self.maybe_constrain(n, x, y);
}
}
@ -648,6 +678,9 @@ impl WlSeatGlobal {
impl WlSeatGlobal {
pub fn leave_surface(&self, n: &WlSurface) {
let serial = n.client.next_serial();
for (_, constraint) in &n.constraints {
constraint.deactivate();
}
self.surface_pointer_event(0, n, |p| p.send_leave(serial, n.id));
self.surface_pointer_frame(n);
}