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gtk-primary-selection: use impl pattern for sources

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master
emersion 6 years ago
parent cbe42d1006
commit bfa7f4ee0d
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GPG Key ID: 0FDE7BE0E88F5E48
4 changed files with 100 additions and 61 deletions
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24
include/wlr/types/wlr_gtk_primary_selection.h
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@ -45,18 +45,24 @@ struct wlr_gtk_primary_selection_device {
void *data;
};
/**
* A data source implementation. Only the `send` function is mandatory.
*/
struct wlr_gtk_primary_selection_source_impl {
void (*send)(struct wlr_gtk_primary_selection_source *source,
const char *mime_type, int fd);
void (*destroy)(struct wlr_gtk_primary_selection_source *source);
};
/**
* A source is the sending side of a selection.
*/
struct wlr_gtk_primary_selection_source {
const struct wlr_gtk_primary_selection_source_impl *impl;
// source metadata
struct wl_array mime_types;
// source implementation
void (*send)(struct wlr_gtk_primary_selection_source *source,
const char *mime_type, int32_t fd);
void (*cancel)(struct wlr_gtk_primary_selection_source *source);
struct {
struct wl_signal destroy;
} events;
@ -75,8 +81,12 @@ void wlr_gtk_primary_selection_device_manager_set_selection(
struct wlr_gtk_primary_selection_source *source);
void wlr_gtk_primary_selection_source_init(
struct wlr_gtk_primary_selection_source *source,
const struct wlr_gtk_primary_selection_source_impl *impl);
void wlr_gtk_primary_selection_source_destroy(
struct wlr_gtk_primary_selection_source *source);
void wlr_gtk_primary_selection_source_finish(
struct wlr_gtk_primary_selection_source *source);
void wlr_gtk_primary_selection_source_send(
struct wlr_gtk_primary_selection_source *source, const char *mime_type,
int fd);
#endif

107
types/wlr_gtk_primary_selection.c
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@ -29,7 +29,7 @@ static void offer_handle_receive(struct wl_client *client,
return;
}
device->source->send(device->source, mime_type, fd);
wlr_gtk_primary_selection_source_send(device->source, mime_type, fd);
}
static void offer_handle_destroy(struct wl_client *client,
@ -99,19 +99,26 @@ struct client_data_source {
static void client_source_send(
struct wlr_gtk_primary_selection_source *wlr_source,
const char *mime_type, int32_t fd) {
const char *mime_type, int fd) {
struct client_data_source *source = (struct client_data_source *)wlr_source;
gtk_primary_selection_source_send_send(source->resource, mime_type, fd);
close(fd);
}
static void client_source_cancel(
static void client_source_destroy(
struct wlr_gtk_primary_selection_source *wlr_source) {
struct client_data_source *source = (struct client_data_source *)wlr_source;
gtk_primary_selection_source_send_cancelled(source->resource);
// TODO: make the source resource inert
// Make the source resource inert
wl_resource_set_user_data(source->resource, NULL);
free(source);
}
static const struct wlr_gtk_primary_selection_source_impl client_source_impl = {
.send = client_source_send,
.destroy = client_source_destroy,
};
static const struct gtk_primary_selection_source_interface source_impl;
static struct client_data_source *client_data_source_from_resource(
@ -125,6 +132,9 @@ static void source_handle_offer(struct wl_client *client,
struct wl_resource *resource, const char *mime_type) {
struct client_data_source *source =
client_data_source_from_resource(resource);
if (source == NULL) {
return;
}
char **p = wl_array_add(&source->source.mime_types, sizeof(*p));
if (p) {
@ -151,8 +161,10 @@ static const struct gtk_primary_selection_source_interface source_impl = {
static void source_resource_handle_destroy(struct wl_resource *resource) {
struct client_data_source *source =
client_data_source_from_resource(resource);
wlr_gtk_primary_selection_source_finish(&source->source);
free(source);
if (source == NULL) {
return;
}
wlr_gtk_primary_selection_source_destroy(&source->source);
}
@ -174,15 +186,20 @@ static void device_handle_set_selection(struct wl_client *client,
return;
}
struct client_data_source *source = NULL;
struct client_data_source *client_source = NULL;
if (source_resource != NULL) {
source = client_data_source_from_resource(source_resource);
client_source = client_data_source_from_resource(source_resource);
}
struct wlr_gtk_primary_selection_source *source = NULL;
if (client_source != NULL) {
source = &client_source->source;
}
// TODO: improve serial checking
struct wlr_seat *seat = device->seat;
wlr_gtk_primary_selection_device_manager_set_selection(device->manager,
seat, &source->source);
seat, source);
}
static void device_handle_destroy(struct wl_client *client,
@ -230,14 +247,9 @@ static void device_handle_source_destroy(struct wl_listener *listener,
static void device_set_selection(
struct wlr_gtk_primary_selection_device *device,
struct wlr_gtk_primary_selection_source *source) {
if (source != NULL) {
assert(source->send);
assert(source->cancel);
}
if (device->source != NULL) {
wl_list_remove(&device->source_destroy.link);
device->source->cancel(device->source);
wlr_gtk_primary_selection_source_destroy(device->source);
device->source = NULL;
}
@ -328,7 +340,7 @@ static void device_destroy(struct wlr_gtk_primary_selection_device *device) {
wl_list_remove(&device->seat_focus_change.link);
if (device->source != NULL) {
wl_list_remove(&device->source_destroy.link);
device->source->cancel(device->source);
wlr_gtk_primary_selection_source_destroy(device->source);
}
struct wl_resource *resource, *resource_tmp;
wl_resource_for_each_safe(resource, resource_tmp, &device->offers) {
@ -356,27 +368,6 @@ struct wlr_gtk_primary_selection_device_manager *manager_from_resource(
return wl_resource_get_user_data(resource);
}
void wlr_gtk_primary_selection_source_init(
struct wlr_gtk_primary_selection_source *source) {
wl_array_init(&source->mime_types);
wl_signal_init(&source->events.destroy);
}
void wlr_gtk_primary_selection_source_finish(
struct wlr_gtk_primary_selection_source *source) {
if (source == NULL) {
return;
}
wlr_signal_emit_safe(&source->events.destroy, source);
char **p;
wl_array_for_each(p, &source->mime_types) {
free(*p);
}
wl_array_release(&source->mime_types);
}
static void device_manager_handle_create_source(struct wl_client *client,
struct wl_resource *manager_resource, uint32_t id) {
struct client_data_source *source =
@ -385,7 +376,7 @@ static void device_manager_handle_create_source(struct wl_client *client,
wl_client_post_no_memory(client);
return;
}
wlr_gtk_primary_selection_source_init(&source->source);
wlr_gtk_primary_selection_source_init(&source->source, &client_source_impl);
uint32_t version = wl_resource_get_version(manager_resource);
source->resource = wl_resource_create(client,
@ -397,9 +388,6 @@ static void device_manager_handle_create_source(struct wl_client *client,
}
wl_resource_set_implementation(source->resource, &source_impl, source,
source_resource_handle_destroy);
source->source.send = client_source_send;
source->source.cancel = client_source_cancel;
}
void device_manager_handle_get_device(struct wl_client *client,
@ -525,3 +513,40 @@ void wlr_gtk_primary_selection_device_manager_destroy(
wl_global_destroy(manager->global);
free(manager);
}
void wlr_gtk_primary_selection_source_init(
struct wlr_gtk_primary_selection_source *source,
const struct wlr_gtk_primary_selection_source_impl *impl) {
assert(impl->send);
wl_array_init(&source->mime_types);
wl_signal_init(&source->events.destroy);
source->impl = impl;
}
void wlr_gtk_primary_selection_source_destroy(
struct wlr_gtk_primary_selection_source *source) {
if (source == NULL) {
return;
}
wlr_signal_emit_safe(&source->events.destroy, source);
char **p;
wl_array_for_each(p, &source->mime_types) {
free(*p);
}
wl_array_release(&source->mime_types);
if (source->impl->destroy) {
source->impl->destroy(source);
} else {
free(source);
}
}
void wlr_gtk_primary_selection_source_send(
struct wlr_gtk_primary_selection_source *source, const char *mime_type,
int32_t fd) {
source->impl->send(source, mime_type, fd);
}

28
xwayland/selection/incoming.c
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@ -137,7 +137,7 @@ static void xwm_selection_get_data(struct wlr_xwm_selection *selection) {
static void source_send(struct wlr_xwm_selection *selection,
struct wl_array *mime_types, struct wl_array *mime_types_atoms,
const char *requested_mime_type, int32_t fd) {
const char *requested_mime_type, int fd) {
struct wlr_xwm *xwm = selection->xwm;
struct wlr_xwm_selection_transfer *transfer = &selection->incoming;
@ -222,17 +222,17 @@ struct x11_primary_selection_source {
struct wl_array mime_types_atoms;
};
static void primary_selection_source_cancel(
struct wlr_gtk_primary_selection_source *wlr_source);
static const struct wlr_gtk_primary_selection_source_impl
primary_selection_source_impl;
bool primary_selection_source_is_xwayland(
struct wlr_gtk_primary_selection_source *wlr_source) {
return wlr_source->cancel == primary_selection_source_cancel;
return wlr_source->impl == &primary_selection_source_impl;
}
static void primary_selection_source_send(
struct wlr_gtk_primary_selection_source *wlr_source, const char *mime_type,
int32_t fd) {
struct wlr_gtk_primary_selection_source *wlr_source,
const char *mime_type, int fd) {
struct x11_primary_selection_source *source =
(struct x11_primary_selection_source *)wlr_source;
struct wlr_xwm_selection *selection = source->selection;
@ -241,15 +241,20 @@ static void primary_selection_source_send(
mime_type, fd);
}
static void primary_selection_source_cancel(
static void primary_selection_source_destroy(
struct wlr_gtk_primary_selection_source *wlr_source) {
struct x11_primary_selection_source *source =
(struct x11_primary_selection_source *)wlr_source;
wlr_gtk_primary_selection_source_finish(&source->base);
wl_array_release(&source->mime_types_atoms);
free(source);
}
static const struct wlr_gtk_primary_selection_source_impl
primary_selection_source_impl = {
.send = primary_selection_source_send,
.destroy = primary_selection_source_destroy,
};
static bool source_get_targets(struct wlr_xwm_selection *selection,
struct wl_array *mime_types, struct wl_array *mime_types_atoms) {
struct wlr_xwm *xwm = selection->xwm;
@ -356,9 +361,8 @@ static void xwm_selection_get_targets(struct wlr_xwm_selection *selection) {
if (source == NULL) {
return;
}
wlr_gtk_primary_selection_source_init(&source->base);
source->base.send = primary_selection_source_send;
source->base.cancel = primary_selection_source_cancel;
wlr_gtk_primary_selection_source_init(&source->base,
&primary_selection_source_impl);
source->selection = selection;
wl_array_init(&source->mime_types_atoms);
@ -369,7 +373,7 @@ static void xwm_selection_get_targets(struct wlr_xwm_selection *selection) {
wlr_gtk_primary_selection_device_manager_set_selection(
xwm->xwayland->gtk_primary_selection, xwm->seat, &source->base);
} else {
source->base.cancel(&source->base);
wlr_gtk_primary_selection_source_destroy(&source->base);
}
} else if (selection == &xwm->dnd_selection) {
// TODO

2
xwayland/selection/outgoing.c
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@ -198,7 +198,7 @@ static void xwm_selection_source_send(struct wlr_xwm_selection *selection,
struct wlr_gtk_primary_selection_source *source =
selection->xwm->seat->primary_selection_source;
if (source != NULL) {
source->send(source, mime_type, fd);
wlr_gtk_primary_selection_source_send(source, mime_type, fd);
return;
}
} else if (selection == &selection->xwm->dnd_selection) {

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