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data-control-v1: update to latest protocol proposal

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master
emersion 6 years ago
parent 340281b48a
commit 69e7fd61b7
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GPG Key ID: 0FDE7BE0E88F5E48
3 changed files with 105 additions and 102 deletions
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11
include/wlr/types/wlr_data_control_v1.h
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@ -15,20 +15,20 @@
struct wlr_data_control_manager_v1 {
struct wl_global *global;
struct wl_list resources; // wl_resource_get_link
struct wl_list controls; // wlr_data_control_v1::link
struct wl_list devices; // wlr_data_control_device_v1::link
struct {
struct wl_signal destroy;
struct wl_signal new_control; // wlr_data_control_v1
struct wl_signal new_device; // wlr_data_control_device_v1
} events;
struct wl_listener display_destroy;
};
struct wlr_data_control_v1 {
struct wlr_data_control_device_v1 {
struct wl_resource *resource;
struct wlr_data_control_manager_v1 *manager;
struct wl_list link; // wlr_data_control_manager_v1::controls
struct wl_list link; // wlr_data_control_manager_v1::devices
struct wlr_seat *seat;
struct wl_resource *selection_offer_resource; // current selection offer
@ -42,6 +42,7 @@ struct wlr_data_control_manager_v1 *wlr_data_control_manager_v1_create(
void wlr_data_control_manager_v1_destroy(
struct wlr_data_control_manager_v1 *manager);
void wlr_data_control_v1_destroy(struct wlr_data_control_v1 *control);
void wlr_data_control_device_v1_destroy(
struct wlr_data_control_device_v1 *device);
#endif

46
protocol/wlr-data-control-unstable-v1.xml
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@ -41,8 +41,9 @@
</description>
<interface name="zwlr_data_control_manager_v1" version="1">
<description summary="manager to create per-seat data controls">
This interface is a manager that allows creating per-seat data controls.
<description summary="manager to control data devices">
This interface is a manager that allows creating per-seat data device
controls.
</description>
<request name="create_data_source">
@ -53,11 +54,11 @@
summary="data source to create"/>
</request>
<request name="get_data_control">
<description summary="get a data control for a seat">
Create a data control that can be used to manage a seat's data device.
<request name="get_data_device">
<description summary="get a data device for a seat">
Create a data device that can be used to manage a seat's selection.
</description>
<arg name="id" type="new_id" interface="zwlr_data_control_v1"/>
<arg name="id" type="new_id" interface="zwlr_data_control_device_v1"/>
<arg name="seat" type="object" interface="wl_seat"/>
</request>
@ -69,17 +70,16 @@
</request>
</interface>
<interface name="zwlr_data_control_v1" version="1">
<interface name="zwlr_data_control_device_v1" version="1">
<description summary="manage a data device for a seat">
This interface allows a client to manage a data device associated with a
seat.
This interface allows a client to manage a seat's selection.
When the seat is destroyed, this object becomes inert.
</description>
<request name="set_selection">
<description summary="copy data to the selection">
All objects created by the manager will still remain valid, until their
All objects created by the device will still remain valid, until their
appropriate destroy request has been called.
</description>
<arg name="source" type="object" interface="zwlr_data_control_source_v1"
@ -87,18 +87,19 @@
</request>
<request name="destroy" type="destructor">
<description summary="destroy this control">
Destroys the data control object.
<description summary="destroy this data device">
Destroys the data device object.
</description>
</request>
<event name="data_offer">
<description summary="introduce a new wlr_data_control_offer">
The data_offer event introduces a new wlr_data_control_offer object,
which will subsequently be used in the wlr_data_control.selection event.
Immediately following the wlr_data_control.data_offer event, the new
data_offer object will send out wlr_data_control_offer.offer events to
describe the MIME types it offers.
which will subsequently be used in the wlr_data_control_device.selection
event. Immediately following the wlr_data_control_device.data_offer
event, the new data_offer object will send out
wlr_data_control_offer.offer events to describe the MIME types it
offers.
This event replaces the previous data offer, which should be destroyed
by the client.
@ -110,10 +111,10 @@
<description summary="introduce a new wlr_data_control_offer">
The selection event is sent out to notify the client of a new
wlr_data_control_offer for the selection for this device. The
wlr_data_control.data_offer and the wlr_data_control_offer.offer events
are sent out immediately before this event to introduce the data offer
object. The selection event is sent to a client when a new selection is
set. The wlr_data_control_offer is valid until a new
wlr_data_control_device.data_offer and the wlr_data_control_offer.offer
events are sent out immediately before this event to introduce the data
offer object. The selection event is sent to a client when a new
selection is set. The wlr_data_control_offer is valid until a new
wlr_data_control_offer or NULL is received. The client must destroy the
previous selection wlr_data_control_offer, if any, upon receiving this
event.
@ -140,7 +141,7 @@
<enum name="error">
<entry name="invalid_offer" value="1"
summary="offer sent after wlr_data_control.set_selection"/>
summary="offer sent after wlr_data_control_device.set_selection"/>
</enum>
<request name="offer">
@ -148,7 +149,8 @@
This request adds a MIME type to the set of MIME types advertised to
targets. Can be called several times to offer multiple types.
Calling this after wlr_data_control.set_selection is a protocol error.
Calling this after wlr_data_control_device.set_selection is a protocol
error.
</description>
<arg name="mime_type" type="string"
summary="MIME type offered by the data source"/>

150
types/wlr_data_control_v1.c
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@ -107,7 +107,7 @@ static void source_handle_resource_destroy(struct wl_resource *resource) {
static const struct zwlr_data_control_offer_v1_interface offer_impl;
static struct wlr_data_control_v1 *control_from_offer_resource(
static struct wlr_data_control_device_v1 *control_from_offer_resource(
struct wl_resource *resource) {
assert(wl_resource_instance_of(resource,
&zwlr_data_control_offer_v1_interface, &offer_impl));
@ -116,12 +116,12 @@ static struct wlr_data_control_v1 *control_from_offer_resource(
static void offer_handle_receive(struct wl_client *client,
struct wl_resource *resource, const char *mime_type, int fd) {
struct wlr_data_control_v1 *control = control_from_offer_resource(resource);
if (control == NULL || control->seat->selection_source == NULL) {
struct wlr_data_control_device_v1 *device = control_from_offer_resource(resource);
if (device == NULL || device->seat->selection_source == NULL) {
close(fd);
return;
}
wlr_data_source_send(control->seat->selection_source, mime_type, fd);
wlr_data_source_send(device->seat->selection_source, mime_type, fd);
}
static void offer_handle_destroy(struct wl_client *client,
@ -135,25 +135,25 @@ static const struct zwlr_data_control_offer_v1_interface offer_impl = {
};
static void offer_handle_resource_destroy(struct wl_resource *resource) {
struct wlr_data_control_v1 *control = control_from_offer_resource(resource);
if (control != NULL) {
control->selection_offer_resource = NULL;
struct wlr_data_control_device_v1 *device = control_from_offer_resource(resource);
if (device != NULL) {
device->selection_offer_resource = NULL;
}
}
static struct wl_resource *create_offer(struct wlr_data_control_v1 *control,
static struct wl_resource *create_offer(struct wlr_data_control_device_v1 *device,
struct wlr_data_source *source) {
struct wl_client *client = wl_resource_get_client(control->resource);
uint32_t version = wl_resource_get_version(control->resource);
struct wl_client *client = wl_resource_get_client(device->resource);
uint32_t version = wl_resource_get_version(device->resource);
struct wl_resource *resource = wl_resource_create(client,
&zwlr_data_control_offer_v1_interface, version, 0);
if (resource == NULL) {
return NULL;
}
wl_resource_set_implementation(resource, &offer_impl, control,
wl_resource_set_implementation(resource, &offer_impl, device,
offer_handle_resource_destroy);
zwlr_data_control_v1_send_data_offer(control->resource, resource);
zwlr_data_control_device_v1_send_data_offer(device->resource, resource);
char **p;
wl_array_for_each(p, &source->mime_types) {
@ -164,28 +164,28 @@ static struct wl_resource *create_offer(struct wlr_data_control_v1 *control,
}
static const struct zwlr_data_control_v1_interface control_impl;
static const struct zwlr_data_control_device_v1_interface control_impl;
static struct wlr_data_control_v1 *control_from_resource(
static struct wlr_data_control_device_v1 *control_from_resource(
struct wl_resource *resource) {
assert(wl_resource_instance_of(resource,
&zwlr_data_control_v1_interface, &control_impl));
&zwlr_data_control_device_v1_interface, &control_impl));
return wl_resource_get_user_data(resource);
}
static void control_handle_set_selection(struct wl_client *client,
struct wl_resource *control_resource,
struct wl_resource *source_resource) {
struct wlr_data_control_v1 *control =
struct wlr_data_control_device_v1 *device =
control_from_resource(control_resource);
struct client_data_source *source = source_from_resource(source_resource);
if (control == NULL) {
if (device == NULL) {
return;
}
struct wlr_data_source *wlr_source = source ? &source->source : NULL;
struct wl_display *display = wl_client_get_display(client);
wlr_seat_set_selection(control->seat, wlr_source,
wlr_seat_set_selection(device->seat, wlr_source,
wl_display_next_serial(display));
}
@ -194,65 +194,65 @@ static void control_handle_destroy(struct wl_client *client,
wl_resource_destroy(control_resource);
}
static const struct zwlr_data_control_v1_interface control_impl = {
static const struct zwlr_data_control_device_v1_interface control_impl = {
.set_selection = control_handle_set_selection,
.destroy = control_handle_destroy,
};
static void control_send_selection(struct wlr_data_control_v1 *control) {
struct wlr_data_source *source = control->seat->selection_source;
static void control_send_selection(struct wlr_data_control_device_v1 *device) {
struct wlr_data_source *source = device->seat->selection_source;
if (control->selection_offer_resource != NULL) {
if (device->selection_offer_resource != NULL) {
// Make the offer inert
wl_resource_set_user_data(control->selection_offer_resource, NULL);
wl_resource_set_user_data(device->selection_offer_resource, NULL);
}
control->selection_offer_resource = NULL;
device->selection_offer_resource = NULL;
if (source != NULL) {
control->selection_offer_resource = create_offer(control, source);
if (control->selection_offer_resource == NULL) {
wl_resource_post_no_memory(control->resource);
device->selection_offer_resource = create_offer(device, source);
if (device->selection_offer_resource == NULL) {
wl_resource_post_no_memory(device->resource);
return;
}
}
zwlr_data_control_v1_send_selection(control->resource,
control->selection_offer_resource);
zwlr_data_control_device_v1_send_selection(device->resource,
device->selection_offer_resource);
}
static void control_handle_resource_destroy(struct wl_resource *resource) {
struct wlr_data_control_v1 *control = control_from_resource(resource);
wlr_data_control_v1_destroy(control);
struct wlr_data_control_device_v1 *device = control_from_resource(resource);
wlr_data_control_device_v1_destroy(device);
}
static void control_handle_seat_destroy(struct wl_listener *listener,
void *data) {
struct wlr_data_control_v1 *control =
wl_container_of(listener, control, seat_destroy);
wlr_data_control_v1_destroy(control);
struct wlr_data_control_device_v1 *device =
wl_container_of(listener, device, seat_destroy);
wlr_data_control_device_v1_destroy(device);
}
static void control_handle_seat_selection(struct wl_listener *listener,
void *data) {
struct wlr_data_control_v1 *control =
wl_container_of(listener, control, seat_selection);
control_send_selection(control);
struct wlr_data_control_device_v1 *device =
wl_container_of(listener, device, seat_selection);
control_send_selection(device);
}
void wlr_data_control_v1_destroy(struct wlr_data_control_v1 *control) {
if (control == NULL) {
void wlr_data_control_device_v1_destroy(struct wlr_data_control_device_v1 *device) {
if (device == NULL) {
return;
}
zwlr_data_control_v1_send_finished(control->resource);
zwlr_data_control_device_v1_send_finished(device->resource);
// Make the resources inert
wl_resource_set_user_data(control->resource, NULL);
if (control->selection_offer_resource != NULL) {
wl_resource_set_user_data(control->selection_offer_resource, NULL);
wl_resource_set_user_data(device->resource, NULL);
if (device->selection_offer_resource != NULL) {
wl_resource_set_user_data(device->selection_offer_resource, NULL);
}
wl_list_remove(&control->seat_destroy.link);
wl_list_remove(&control->seat_selection.link);
wl_list_remove(&control->link);
free(control);
wl_list_remove(&device->seat_destroy.link);
wl_list_remove(&device->seat_selection.link);
wl_list_remove(&device->link);
free(device);
}
@ -287,7 +287,7 @@ static void manager_handle_create_data_source(struct wl_client *client,
source_handle_resource_destroy);
}
static void manager_handle_get_data_control(struct wl_client *client,
static void manager_handle_get_data_device(struct wl_client *client,
struct wl_resource *manager_resource, uint32_t id,
struct wl_resource *seat_resource) {
struct wlr_data_control_manager_v1 *manager =
@ -295,41 +295,41 @@ static void manager_handle_get_data_control(struct wl_client *client,
struct wlr_seat_client *seat_client =
wlr_seat_client_from_resource(seat_resource);
struct wlr_data_control_v1 *control =
calloc(1, sizeof(struct wlr_data_control_v1));
if (control == NULL) {
struct wlr_data_control_device_v1 *device =
calloc(1, sizeof(struct wlr_data_control_device_v1));
if (device == NULL) {
wl_resource_post_no_memory(manager_resource);
return;
}
control->manager = manager;
control->seat = seat_client->seat;
device->manager = manager;
device->seat = seat_client->seat;
uint32_t version = wl_resource_get_version(manager_resource);
control->resource = wl_resource_create(client,
&zwlr_data_control_v1_interface, version, id);
if (control->resource == NULL) {
device->resource = wl_resource_create(client,
&zwlr_data_control_device_v1_interface, version, id);
if (device->resource == NULL) {
wl_resource_post_no_memory(manager_resource);
free(control);
free(device);
return;
}
wl_resource_set_implementation(control->resource, &control_impl, control,
wl_resource_set_implementation(device->resource, &control_impl, device,
control_handle_resource_destroy);
struct wl_resource *resource = control->resource;
struct wl_resource *resource = device->resource;
control->seat_destroy.notify = control_handle_seat_destroy;
wl_signal_add(&control->seat->events.destroy, &control->seat_destroy);
device->seat_destroy.notify = control_handle_seat_destroy;
wl_signal_add(&device->seat->events.destroy, &device->seat_destroy);
control->seat_selection.notify = control_handle_seat_selection;
wl_signal_add(&control->seat->events.selection, &control->seat_selection);
device->seat_selection.notify = control_handle_seat_selection;
wl_signal_add(&device->seat->events.selection, &device->seat_selection);
wl_list_insert(&manager->controls, &control->link);
wlr_signal_emit_safe(&manager->events.new_control, control);
wl_list_insert(&manager->devices, &device->link);
wlr_signal_emit_safe(&manager->events.new_device, device);
// At this point maybe the compositor decided to destroy the control. If
// At this point maybe the compositor decided to destroy the device. If
// it's the case then the resource will be inert.
control = control_from_resource(resource);
if (control != NULL) {
control_send_selection(control);
device = control_from_resource(resource);
if (device != NULL) {
control_send_selection(device);
}
}
@ -340,7 +340,7 @@ static void manager_handle_destroy(struct wl_client *client,
static const struct zwlr_data_control_manager_v1_interface manager_impl = {
.create_data_source = manager_handle_create_data_source,
.get_data_control = manager_handle_get_data_control,
.get_data_device = manager_handle_get_data_device,
.destroy = manager_handle_destroy,
};
@ -378,9 +378,9 @@ struct wlr_data_control_manager_v1 *wlr_data_control_manager_v1_create(
return NULL;
}
wl_list_init(&manager->resources);
wl_list_init(&manager->controls);
wl_list_init(&manager->devices);
wl_signal_init(&manager->events.destroy);
wl_signal_init(&manager->events.new_control);
wl_signal_init(&manager->events.new_device);
manager->global = wl_global_create(display,
&zwlr_data_control_manager_v1_interface, DATA_CONTROL_MANAGER_VERSION,
@ -404,9 +404,9 @@ void wlr_data_control_manager_v1_destroy(
wlr_signal_emit_safe(&manager->events.destroy, manager);
struct wlr_data_control_v1 *control, *control_tmp;
wl_list_for_each_safe(control, control_tmp, &manager->controls, link) {
wl_resource_destroy(control->resource);
struct wlr_data_control_device_v1 *device, *control_tmp;
wl_list_for_each_safe(device, control_tmp, &manager->devices, link) {
wl_resource_destroy(device->resource);
}
struct wl_resource *resource, *resource_tmp;

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