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tinywl: simplify logic for sending pointer events

This commit is contained in:
Isaac Freund 2021-08-20 16:02:17 +02:00 committed by Simon Ser
parent de1522aeee
commit f2f3df9fb1
1 changed files with 7 additions and 9 deletions
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16
tinywl/tinywl.c
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@ -432,21 +432,19 @@ static void process_cursor_motion(struct tinywl_server *server, uint32_t time) {
server->cursor_mgr, "left_ptr", server->cursor); server->cursor_mgr, "left_ptr", server->cursor);
} }
if (surface) { if (surface) {
bool focus_changed = seat->pointer_state.focused_surface != surface;
/* /*
* "Enter" the surface if necessary. This lets the client know that the * Send pointer enter and motion events.
* cursor has entered one of its surfaces.
* *
* Note that this gives the surface "pointer focus", which is distinct * The enter event gives the surface "pointer focus", which is distinct
* from keyboard focus. You get pointer focus by moving the pointer over * from keyboard focus. You get pointer focus by moving the pointer over
* a window. * a window.
*
* Note that wlroots will avoid sending duplicate enter/motion events if
* the surface has already has pointer focus or if the client is already
* aware of the coordinates passed.
*/ */
wlr_seat_pointer_notify_enter(seat, surface, sx, sy); wlr_seat_pointer_notify_enter(seat, surface, sx, sy);
if (!focus_changed) { wlr_seat_pointer_notify_motion(seat, time, sx, sy);
/* The enter event contains coordinates, so we only need to notify
* on motion if the focus did not change. */
wlr_seat_pointer_notify_motion(seat, time, sx, sy);
}
} else { } else {
/* Clear pointer focus so future button events and such are not sent to /* Clear pointer focus so future button events and such are not sent to
* the last client to have the cursor over it. */ * the last client to have the cursor over it. */