lock.go RawHistoryFolder

1//go:build linux
2
3package wayland
4
5import "fmt"
6
7// LockOptions selects one registry output lifetime returned by Outputs.
8// The lock object is deliberately private to Connection, never passed by UI.
9type LockOptions struct{ Output uint32 }
10
11func (w *Window) createLockSurface(opts LockOptions) error {
12	c := w.connection
13	if c == nil || c.lock == nil {
14		return fmt.Errorf("lock window requires acquired connection lock")
15	}
16	out, ok := c.outputs[opts.Output]
17	if !ok || out.proxy == nil {
18		return fmt.Errorf("lock output %d unavailable", opts.Output)
19	}
20	role, err := c.lock.GetLockSurface(w.Surface, out.proxy)
21	if err != nil {
22		return err
23	}
24	w.LockSurface, w.lockOutput = role, opts.Output
25	role.OnConfigure(func(serial, width, height uint32) {
26		w.post(Event{Kind: ConfigureLock, Serial: serial, Width: int32(width), Height: int32(height)})
27	})
28	return nil
29}
30
31// LockOutput is the registry lifetime this lock surface covers.
32func (w *Window) LockOutput() uint32 { return w.lockOutput }