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backend/wayland: tag wl_surface

Browse source 
When integrating wlroots with another toolkit, wlroots may receive
wl_pointer.enter events for surfaces not backed by a wlr_output.
Ignore such surfaces by tagging the ones we're aware of with
wl_proxy_set_tag().
This commit is contained in:
Simon Ser 2023-06-14 18:16:44 +02:00
parent dd24991c9e
commit 4f88886199
4 changed files with 32 additions and 5 deletions
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16
backend/wayland/output.c
View file

@ -36,6 +36,8 @@ static const uint32_t SUPPORTED_OUTPUT_STATE =
static size_t last_output_num = 0;
static const char *surface_tag = "wlr_wl_output";
static struct wlr_wl_output *get_wl_output_from_output(
struct wlr_output *wlr_output) {
assert(wlr_output_is_wl(wlr_output));
@ -43,6 +45,19 @@ static struct wlr_wl_output *get_wl_output_from_output(
return output;
}
struct wlr_wl_output *get_wl_output_from_surface(struct wlr_wl_backend *wl,
struct wl_surface *surface) {
if (wl_proxy_get_tag((struct wl_proxy *)surface) != &surface_tag) {
return NULL;
}
struct wlr_wl_output *output = wl_surface_get_user_data(surface);
assert(output != NULL);
if (output->backend != wl) {
return NULL;
}
return output;
}
static void surface_frame_callback(void *data, struct wl_callback *cb,
uint32_t time) {
struct wlr_wl_output *output = data;
@ -774,6 +789,7 @@ struct wlr_output *wlr_wl_output_create(struct wlr_backend *wlr_backend) {
wlr_log_errno(WLR_ERROR, "Could not create output surface");
goto error;
}
wl_proxy_set_tag((struct wl_proxy *)output->surface, &surface_tag);
wl_surface_set_user_data(output->surface, output);
output->xdg_surface =
xdg_wm_base_get_xdg_surface(backend->xdg_wm_base, output->surface);

12
backend/wayland/pointer.c
View file

@ -38,8 +38,10 @@ static void pointer_handle_enter(void *data, struct wl_pointer *wl_pointer,
return;
}
struct wlr_wl_output *output = wl_surface_get_user_data(surface);
assert(output);
struct wlr_wl_output *output = get_wl_output_from_surface(seat->backend, surface);
if (output == NULL) {
return;
}
struct wlr_wl_pointer *pointer = output_get_pointer(output, wl_pointer);
seat->active_pointer = pointer;
@ -64,8 +66,10 @@ static void pointer_handle_leave(void *data, struct wl_pointer *wl_pointer,
return;
}
struct wlr_wl_output *output = wl_surface_get_user_data(surface);
assert(output);
struct wlr_wl_output *output = get_wl_output_from_surface(seat->backend, surface);
if (output == NULL) {
return;
}
if (seat->active_pointer != NULL &&
seat->active_pointer->output == output) {

7
backend/wayland/tablet_v2.c
View file

@ -504,8 +504,13 @@ static void handle_tablet_tool_proximity_in(void *data,
struct tablet_tool *tool = data;
assert(tablet_id == tool->seat->zwp_tablet_v2);
struct wlr_wl_output *output = get_wl_output_from_surface(tool->seat->backend, surface);
if (output == NULL) {
return;
}
tool->is_in = true;
tool->output = wl_surface_get_user_data(surface);
tool->output = output;
}
static void handle_tablet_tool_proximity_out(void *data,

2
include/backend/wayland.h
View file

@ -154,6 +154,8 @@ struct wlr_wl_seat {
};
struct wlr_wl_backend *get_wl_backend_from_backend(struct wlr_backend *backend);
struct wlr_wl_output *get_wl_output_from_surface(struct wlr_wl_backend *wl,
struct wl_surface *surface);
void update_wl_output_cursor(struct wlr_wl_output *output);
void init_seat_keyboard(struct wlr_wl_seat *seat);