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wayland: Create the data_device only after both device_manager and input exist. 

There is no guarantee on what order the Wayland interfaces will come in, but the
callbacks were assuming that wl_data_device_manager would could before wl_seat.
This would cause certain desktops to not have any data_device to work with,
meaning certain features like the clipboard would silently no-op.
This commit is contained in:
Ethan Lee 2021-04-08 14:08:35 -04:00 committed by Sam Lantinga
parent 732cc8ed5b
commit 7510245af9
3 changed files with 39 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

55
src/video/wayland/SDL_waylandevents.c
View File

@ -1087,11 +1087,45 @@ static const struct wl_data_device_listener data_device_listener = {
data_device_handle_selection
};
static void
Wayland_create_data_device(SDL_VideoData *d)
{
SDL_WaylandDataDevice *data_device = NULL;
data_device = SDL_calloc(1, sizeof *data_device);
if (data_device == NULL) {
return;
}
data_device->data_device = wl_data_device_manager_get_data_device(
d->data_device_manager, d->input->seat
);
data_device->video_data = d;
if (data_device->data_device == NULL) {
SDL_free(data_device);
} else {
wl_data_device_set_user_data(data_device->data_device, data_device);
wl_data_device_add_listener(data_device->data_device,
&data_device_listener, data_device);
d->input->data_device = data_device;
}
}
void
Wayland_add_data_device_manager(SDL_VideoData *d, uint32_t id, uint32_t version)
{
d->data_device_manager = wl_registry_bind(d->registry, id, &wl_data_device_manager_interface, SDL_min(3, version));
if (d->input != NULL) {
Wayland_create_data_device(d);
}
}
void
Wayland_display_add_input(SDL_VideoData *d, uint32_t id, uint32_t version)
{
struct SDL_WaylandInput *input;
SDL_WaylandDataDevice *data_device = NULL;
input = SDL_calloc(1, sizeof *input);
if (input == NULL)
@ -1104,24 +1138,7 @@ Wayland_display_add_input(SDL_VideoData *d, uint32_t id, uint32_t version)
d->input = input;
if (d->data_device_manager != NULL) {
data_device = SDL_calloc(1, sizeof *data_device);
if (data_device == NULL) {
return;
}
data_device->data_device = wl_data_device_manager_get_data_device(
d->data_device_manager, input->seat
);
data_device->video_data = d;
if (data_device->data_device == NULL) {
SDL_free(data_device);
} else {
wl_data_device_set_user_data(data_device->data_device, data_device);
wl_data_device_add_listener(data_device->data_device,
&data_device_listener, data_device);
input->data_device = data_device;
}
Wayland_create_data_device(d);
}
wl_seat_add_listener(input->seat, &seat_listener, input);

2
src/video/wayland/SDL_waylandevents_c.h
View File

@ -80,6 +80,8 @@ struct SDL_WaylandInput {
extern void Wayland_PumpEvents(_THIS);
extern void Wayland_add_data_device_manager(SDL_VideoData *d, uint32_t id, uint32_t version);
extern void Wayland_display_add_input(SDL_VideoData *d, uint32_t id, uint32_t version);
extern void Wayland_display_destroy_input(SDL_VideoData *d);

2
src/video/wayland/SDL_waylandvideo.c
View File

@ -423,7 +423,7 @@ display_handle_global(void *data, struct wl_registry *registry, uint32_t id,
} else if (strcmp(interface, "zwp_idle_inhibit_manager_v1") == 0) {
d->idle_inhibit_manager = wl_registry_bind(d->registry, id, &zwp_idle_inhibit_manager_v1_interface, 1);
} else if (strcmp(interface, "wl_data_device_manager") == 0) {
d->data_device_manager = wl_registry_bind(d->registry, id, &wl_data_device_manager_interface, SDL_min(3, version));
Wayland_add_data_device_manager(d, id, version);
} else if (strcmp(interface, "zxdg_decoration_manager_v1") == 0) {
d->decoration_manager = wl_registry_bind(d->registry, id, &zxdg_decoration_manager_v1_interface, 1);