input/pointer: send axis source once per frame

Only one wl_pointer.axis_source event is permitted per frame, according
to the Wayland specification.

Fixes https://github.com/swaywm/wlroots/issues/2973
This commit is contained in:
Vyivel 2021-07-17 10:20:35 +03:00 committed by Simon Ser
parent a47f89cf7c
commit a93b18dbd5
2 changed files with 15 additions and 1 deletions

View File

@ -164,6 +164,9 @@ struct wlr_seat_pointer_state {
struct wlr_seat_pointer_grab *grab;
struct wlr_seat_pointer_grab *default_grab;
bool sent_axis_source;
enum wlr_axis_source cached_axis_source;
uint32_t buttons[WLR_POINTER_BUTTONS_CAP];
size_t button_count;
uint32_t grab_button;

View File

@ -274,6 +274,15 @@ void wlr_seat_pointer_send_axis(struct wlr_seat *wlr_seat, uint32_t time,
return;
}
bool send_source = false;
if (wlr_seat->pointer_state.sent_axis_source) {
assert(wlr_seat->pointer_state.cached_axis_source == source);
} else {
wlr_seat->pointer_state.sent_axis_source = true;
wlr_seat->pointer_state.cached_axis_source = source;
send_source = true;
}
struct wl_resource *resource;
wl_resource_for_each(resource, &client->pointers) {
if (wlr_seat_client_from_pointer_resource(resource) == NULL) {
@ -282,7 +291,7 @@ void wlr_seat_pointer_send_axis(struct wlr_seat *wlr_seat, uint32_t time,
uint32_t version = wl_resource_get_version(resource);
if (version >= WL_POINTER_AXIS_SOURCE_SINCE_VERSION) {
if (send_source && version >= WL_POINTER_AXIS_SOURCE_SINCE_VERSION) {
wl_pointer_send_axis_source(resource, source);
}
if (value) {
@ -306,6 +315,8 @@ void wlr_seat_pointer_send_frame(struct wlr_seat *wlr_seat) {
return;
}
wlr_seat->pointer_state.sent_axis_source = false;
struct wl_resource *resource;
wl_resource_for_each(resource, &client->pointers) {
if (wlr_seat_client_from_pointer_resource(resource) == NULL) {