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libweston: Implement pointer timestamps for input_timestamps_unstable_v1

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Implement the zwp_input_timestamps_manager_v1.get_pointer_timestamps
request to subscribe to timestamp events for wl_pointer resources.
Ensure that the request handling code can gracefully handle inert
pointer resources.

Signed-off-by: Alexandros Frantzis <alexandros.frantzis@collabora.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
This commit is contained in:
Alexandros Frantzis
2018-02-20 14:06:26 +02:00
committed by Pekka Paalanen
parent 2b44248f60
commit db907b7188
3 changed files with 119 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libweston/compositor.h
+2
View File
@@ -391,6 +391,8 @@ struct weston_pointer {
uint32_t button_count;
struct wl_listener output_destroy_listener;
struct wl_list timestamps_list;
};
libweston/input.c
+47 -6
View File
@@ -226,6 +226,8 @@ unbind_pointer_client_resource(struct wl_resource *resource)
pointer_client = weston_pointer_get_pointer_client(pointer,
client);
assert(pointer_client);
remove_input_resource_from_timestamps(resource,
&pointer->timestamps_list);
weston_pointer_cleanup_pointer_client(pointer, pointer_client);
}
}
@@ -446,8 +448,12 @@ pointer_send_motion(struct weston_pointer *pointer,
resource_list = &pointer->focus_client->pointer_resources;
msecs = timespec_to_msec(time);
wl_resource_for_each(resource, resource_list)
wl_resource_for_each(resource, resource_list) {
send_timestamps_for_input_resource(resource,
&pointer->timestamps_list,
time);
wl_pointer_send_motion(resource, msecs, sx, sy);
}
}
WL_EXPORT void
@@ -528,8 +534,12 @@ weston_pointer_send_button(struct weston_pointer *pointer,
resource_list = &pointer->focus_client->pointer_resources;
serial = wl_display_next_serial(display);
msecs = timespec_to_msec(time);
wl_resource_for_each(resource, resource_list)
wl_resource_for_each(resource, resource_list) {
send_timestamps_for_input_resource(resource,
&pointer->timestamps_list,
time);
wl_pointer_send_button(resource, serial, msecs, button, state);
}
}
static void
@@ -586,14 +596,21 @@ weston_pointer_send_axis(struct weston_pointer *pointer,
wl_pointer_send_axis_discrete(resource, event->axis,
event->discrete);
if (event->value)
if (event->value) {
send_timestamps_for_input_resource(resource,
&pointer->timestamps_list,
time);
wl_pointer_send_axis(resource, msecs,
event->axis,
wl_fixed_from_double(event->value));
else if (wl_resource_get_version(resource) >=
WL_POINTER_AXIS_STOP_SINCE_VERSION)
} else if (wl_resource_get_version(resource) >=
WL_POINTER_AXIS_STOP_SINCE_VERSION) {
send_timestamps_for_input_resource(resource,
&pointer->timestamps_list,
time);
wl_pointer_send_axis_stop(resource, msecs,
event->axis);
}
}
}
@@ -1128,6 +1145,7 @@ weston_pointer_create(struct weston_seat *seat)
wl_signal_init(&pointer->focus_signal);
wl_list_init(&pointer->focus_view_listener.link);
wl_signal_init(&pointer->destroy_signal);
wl_list_init(&pointer->timestamps_list);
pointer->sprite_destroy_listener.notify = pointer_handle_sprite_destroy;
@@ -1165,6 +1183,7 @@ weston_pointer_destroy(struct weston_pointer *pointer)
wl_list_remove(&pointer->focus_resource_listener.link);
wl_list_remove(&pointer->focus_view_listener.link);
wl_list_remove(&pointer->output_destroy_listener.link);
wl_list_remove(&pointer->timestamps_list);
free(pointer);
}
@@ -4681,7 +4700,29 @@ input_timestamps_manager_get_pointer_timestamps(struct wl_client *client,
uint32_t id,
struct wl_resource *pointer_resource)
{
wl_client_post_no_memory(client);
struct weston_pointer *pointer =
wl_resource_get_user_data(pointer_resource);
struct wl_resource *input_ts;
input_ts = wl_resource_create(client,
&zwp_input_timestamps_v1_interface,
1, id);
if (!input_ts) {
wl_client_post_no_memory(client);
return;
}
if (pointer) {
wl_list_insert(&pointer->timestamps_list,
wl_resource_get_link(input_ts));
} else {
wl_list_init(wl_resource_get_link(input_ts));
}
wl_resource_set_implementation(input_ts,
&input_timestamps_interface,
pointer_resource,
unbind_resource);
}
static void