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wlr-data-device interface

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master
Tony Crisci 7 years ago
parent 2b09105bde
commit 6a7560fae0
11 changed files with 268 additions and 418 deletions
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2
include/rootston/server.h
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@ -3,7 +3,7 @@
#include <wayland-server.h>
#include <wlr/backend.h>
#include <wlr/backend/session.h>
#include <wlr/types/wlr_data_device_manager.h>
#include <wlr/types/wlr_data_device.h>
#include <wlr/render.h>
#ifdef HAS_XWAYLAND
#include <wlr/xwayland.h>

16
include/wlr/interfaces/wlr_data_source.h
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@ -1,16 +0,0 @@
#ifndef WLR_INTERFACES_WLR_DATA_SOURCE_H
#define WLR_INTERFACES_WLR_DATA_SOURCE_H
#include <wlr/types/wlr_data_source.h>
struct wlr_data_source_impl {
void (*send)(struct wlr_data_source *data_source, const char *type, int fd);
void (*accepted)(struct wlr_data_source *data_source, const char *type);
void (*cancelled)(struct wlr_data_source *data_source);
};
bool wlr_data_source_init(struct wlr_data_source *source,
struct wlr_data_source_impl *impl);
void wlr_data_source_finish(struct wlr_data_source *source);
#endif

31
include/wlr/types/wlr_data_device.h
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@ -0,0 +1,31 @@
#ifndef WLR_TYPES_WLR_DATA_DEVICE_H
#define WLR_TYPES_WLR_DATA_DEVICE_H
#include <wayland-server.h>
struct wlr_data_device_manager {
struct wl_global *global;
};
struct wlr_data_offer {
struct wl_resource *resource;
};
struct wlr_data_source {
struct wl_resource *resource;
struct wlr_data_offer *offer;
struct wlr_seat_handle *seat;
struct wl_array mime_types;
struct {
struct wl_signal destroy;
} events;
};
/**
* Create a wl data device manager global for this display.
*/
struct wlr_data_device_manager *wlr_data_device_manager_create(
struct wl_display *display);
#endif

26
include/wlr/types/wlr_data_device_manager.h
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@ -1,26 +0,0 @@
#ifndef WLR_TYPES_WLR_DATA_DEVICE_MANAGER_H
#define WLR_TYPES_WLR_DATA_DEVICE_MANAGER_H
#include <wayland-server.h>
struct wlr_data_device_manager {
struct wl_global *global;
};
struct wlr_data_device_manager *wlr_data_device_manager_create(struct wl_display *dpy);
void wlr_data_device_manager_destroy(struct wlr_data_device_manager *manager);
struct wlr_data_device {
struct wlr_seat *seat;
struct wlr_data_source *selection;
struct wl_listener selection_destroyed;
struct {
struct wl_signal selection_change;
} events;
};
void wlr_data_device_set_selection(struct wlr_data_device *manager,
struct wlr_data_source *source);
#endif

32
include/wlr/types/wlr_data_source.h
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@ -1,32 +0,0 @@
#ifndef WLR_TYPES_WLR_DATA_SOURCE_H
#define WLR_TYPES_WLR_DATA_SOURCE_H
#include <wayland-server.h>
#include <wlr/util/list.h>
struct wlr_data_source_impl;
struct wlr_data_source {
struct wlr_data_source_impl *impl;
list_t *types;
void *data;
struct {
struct wl_signal destroy;
} events;
};
void wlr_data_source_send(struct wlr_data_source *src, const char *type, int fd);
void wlr_data_source_accepted(struct wlr_data_source *src, const char *type);
void wlr_data_source_cancelled(struct wlr_data_source *src);
struct wlr_wl_data_source {
struct wlr_data_source base;
struct wl_resource *resource;
};
struct wlr_wl_data_source *wlr_wl_data_source_create(
struct wl_client *client,
uint32_t version, uint32_t id);
#endif

5
include/wlr/types/wlr_seat.h
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@ -111,7 +111,10 @@ struct wlr_seat {
struct wl_list keyboards;
char *name;
uint32_t capabilities;
struct wlr_data_device *data_device;
struct wlr_data_device *data_device; // TODO needed?
struct wlr_data_source *selection_source;
uint32_t selection_serial;
struct wlr_seat_pointer_state pointer_state;
struct wlr_seat_keyboard_state keyboard_state;

4
rootston/main.c
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@ -22,8 +22,8 @@ int main(int argc, char **argv) {
wl_display_init_shm(server.wl_display);
server.desktop = desktop_create(&server, server.config);
server.input = input_create(&server, server.config);
server.data_device_manager = wlr_data_device_manager_create(
server.wl_display);
server.data_device_manager =
wlr_data_device_manager_create(server.wl_display);
const char *socket = wl_display_add_socket_auto(server.wl_display);
if (!socket) {

3
types/meson.build
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@ -1,8 +1,7 @@
lib_wlr_types = static_library(
'wlr_types',
files(
'wlr_data_device_manager.c',
'wlr_data_source.c',
'wlr_data_device.c',
'wlr_input_device.c',
'wlr_keyboard.c',
'wlr_output.c',

229
types/wlr_data_device.c
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@ -0,0 +1,229 @@
#define _XOPEN_SOURCE 700
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <wayland-server.h>
#include <wlr/util/log.h>
#include <wlr/types/wlr_seat.h>
#include <wlr/types/wlr_data_device.h>
static void data_device_start_drag(struct wl_client *client, struct wl_resource
*resource, struct wl_resource *source_resource,
struct wl_resource *origin, struct wl_resource *icon, uint32_t serial) {
wlr_log(L_DEBUG, "TODO: data device start drag");
}
static struct wlr_data_offer *wlr_data_source_send_offer(
struct wlr_data_source *source,
struct wl_resource *data_device_resourec) {
// TODO
return NULL;
}
static void wlr_seat_handle_send_selection(struct wlr_seat_handle *handle) {
if (!handle->data_device) {
return;
}
if (handle->wlr_seat->selection_source) {
struct wlr_data_offer *offer =
wlr_data_source_send_offer(handle->wlr_seat->selection_source,
handle->data_device);
wl_data_device_send_selection(handle->data_device, offer->resource);
} else {
wl_data_device_send_selection(handle->data_device, NULL);
}
}
static void wlr_seat_set_selection(struct wlr_seat *seat,
struct wlr_data_source *source, uint32_t serial) {
if (seat->selection_source &&
seat->selection_serial - serial < UINT32_MAX / 2) {
return;
}
if (seat->selection_source) {
// TODO cancel
}
seat->selection_source = source;
seat->selection_serial = serial;
struct wlr_seat_handle *focused_handle =
seat->keyboard_state.focused_handle;
if (focused_handle) {
// TODO send selection to keyboard
wlr_seat_handle_send_selection(focused_handle);
}
// TODO emit selection signal
if (source) {
// TODO set destroy listener
}
}
static void data_device_set_selection(struct wl_client *client,
struct wl_resource *seat_resource, struct wl_resource *source_resource,
uint32_t serial) {
if (!source_resource) {
return;
}
struct wlr_data_source *source = wl_resource_get_user_data(source_resource);
struct wlr_seat_handle *handle = wl_resource_get_user_data(seat_resource);
// TODO: store serial and check against incoming serial here
wlr_seat_set_selection(handle->wlr_seat, source, serial);
}
static void data_device_release(struct wl_client *client,
struct wl_resource *resource) {
wl_resource_destroy(resource);
}
static const struct wl_data_device_interface data_device_impl = {
.start_drag = data_device_start_drag,
.set_selection = data_device_set_selection,
.release = data_device_release,
};
void data_device_manager_get_data_device(struct wl_client *client,
struct wl_resource *manager_resource, uint32_t id,
struct wl_resource *seat_resource) {
struct wlr_seat_handle *handle = wl_resource_get_user_data(seat_resource);
struct wl_resource *resource =
wl_resource_create(client,
&wl_data_device_interface,
wl_resource_get_version(manager_resource), id);
if (resource == NULL) {
wl_resource_post_no_memory(manager_resource);
return;
}
// TODO handle a seat handle having multiple data devices
assert(handle->data_device == NULL);
handle->data_device = resource;
wl_resource_set_implementation(resource, &data_device_impl,
handle, NULL);
}
static void data_source_resource_destroy(struct wl_resource *resource) {
struct wlr_data_source *source =
wl_resource_get_user_data(resource);
char **p;
wl_signal_emit(&source->events.destroy, source);
wl_array_for_each(p, &source->mime_types) {
free(*p);
}
wl_array_release(&source->mime_types);
free(source);
}
static void data_source_destroy(struct wl_client *client,
struct wl_resource *resource) {
wl_resource_destroy(resource);
}
static void data_source_set_actions(struct wl_client *client,
struct wl_resource *resource, uint32_t dnd_actions) {
wlr_log(L_DEBUG, "TODO: data source set actions");
}
static void data_source_offer(struct wl_client *client,
struct wl_resource *resource, const char *mime_type) {
struct wlr_data_source *source =
wl_resource_get_user_data(resource);
char **p;
p = wl_array_add(&source->mime_types, sizeof *p);
if (p) {
*p = strdup(mime_type);
}
if (!p || !*p){
wl_resource_post_no_memory(resource);
}
}
static struct wl_data_source_interface data_source_impl = {
.offer = data_source_offer,
.destroy = data_source_destroy,
.set_actions = data_source_set_actions,
};
static void data_device_manager_create_data_source(struct wl_client *client,
struct wl_resource *resource, uint32_t id) {
struct wlr_data_source *source = calloc(1, sizeof(struct wlr_data_source));
if (source == NULL) {
wl_resource_post_no_memory(resource);
return;
}
source->resource =
wl_resource_create(client, &wl_data_source_interface,
wl_resource_get_version(resource), id);
if (source->resource == NULL) {
free(source);
wl_resource_post_no_memory(resource);
return;
}
wl_array_init(&source->mime_types);
wl_signal_init(&source->events.destroy);
wl_resource_set_implementation(source->resource, &data_source_impl,
source, data_source_resource_destroy);
}
static const struct wl_data_device_manager_interface
data_device_manager_impl = {
.create_data_source = data_device_manager_create_data_source,
.get_data_device = data_device_manager_get_data_device,
};
static void data_device_manager_bind(struct wl_client *client,
void *data, uint32_t version, uint32_t id) {
struct wl_resource *resource;
resource = wl_resource_create(client,
&wl_data_device_manager_interface,
version, id);
if (resource == NULL) {
wl_client_post_no_memory(client);
return;
}
wl_resource_set_implementation(resource, &data_device_manager_impl,
NULL, NULL);
}
struct wlr_data_device_manager *wlr_data_device_manager_create(
struct wl_display *display) {
struct wlr_data_device_manager *manager =
calloc(1, sizeof(struct wlr_data_device_manager));
if (manager == NULL) {
wlr_log(L_ERROR, "could not create data device manager");
return NULL;
}
manager->global =
wl_global_create(display, &wl_data_device_manager_interface,
3, NULL, data_device_manager_bind);
if (!manager->global) {
wlr_log(L_ERROR, "could not create data device manager wl global");
free(manager);
return NULL;
}
return manager;
}

198
types/wlr_data_device_manager.c
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@ -1,198 +0,0 @@
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <wayland-server.h>
#include <wlr/util/log.h>
#include <wlr/types/wlr_data_device_manager.h>
#include <wlr/types/wlr_data_source.h>
#include <wlr/types/wlr_seat.h>
static void resource_destroy(struct wl_client *client,
struct wl_resource *resource) {
wl_resource_destroy(resource);
}
static void data_device_start_drag(struct wl_client *client,
struct wl_resource *res, struct wl_resource *source_resource,
struct wl_resource *origin_res, struct wl_resource *icon_res,
uint32_t serial) {
wlr_log(L_DEBUG, "TODO: implement data_device:start_drag");
// Will probably look like this:
// struct wlr_seat_handle *handle = wl_resource_get_user_data(res);
// struct wlr_data_device *device = handle->wlr_seat->data_device;
// struct wlr_data_source *src = wl_resource_get_user_data(src_res);
// struct wlr_surface *origin = wl_resource_get_user_data(origin_res);
// struct wlr_surface *icon;
// if (icon_res)
// icon = wl_resource_get_user_data(icon_res);
// wlr_seat_start_drag(serial, device->seat, src,
// origin, icon); // will set surface roles and emit signal for user
}
static void data_device_set_selection(struct wl_client *client,
struct wl_resource *resource, struct wl_resource *source_resource,
uint32_t serial) {
if (!source_resource) {
return;
}
// TODO: serial validation
struct wlr_seat_handle *handle = wl_resource_get_user_data(resource);
struct wlr_data_device *device = handle->wlr_seat->data_device;
struct wlr_data_source *source = wl_resource_get_user_data(source_resource);
wlr_data_device_set_selection(device, source);
}
static struct wl_data_device_interface data_device_impl = {
.start_drag = data_device_start_drag,
.set_selection = data_device_set_selection,
.release = resource_destroy
};
static void data_device_selection_destroy(struct wl_listener *listener,
void *data) {
struct wlr_data_device *device =
wl_container_of(listener, device, selection_destroyed);
assert(data == device->selection);
device->selection = NULL; // make sure no cancel is sent
wlr_data_device_set_selection(device, NULL);
}
static struct wlr_data_device *seat_ensure_data_device(
struct wlr_data_device_manager *manager, struct wlr_seat *seat) {
if (seat->data_device) {
return seat->data_device;
}
seat->data_device = calloc(1, sizeof(*seat->data_device));
if (!seat->data_device) {
wlr_log(L_ERROR, "Failed to allocate wlr_data_device");
return NULL;
}
seat->data_device->seat = seat;
wl_signal_init(&seat->data_device->events.selection_change);
seat->data_device->selection_destroyed.notify =
data_device_selection_destroy;
return seat->data_device;
}
static void data_device_destroy(struct wl_resource *resource) {
struct wlr_seat_handle *handle = wl_resource_get_user_data(resource);
handle->data_device = NULL;
}
static void data_device_manager_create_data_source(struct wl_client *client,
struct wl_resource *resource, uint32_t id) {
uint32_t version = wl_resource_get_version(resource);
if (!wlr_wl_data_source_create(client, version, id)) {
wlr_log(L_ERROR, "Failed to create wlr_wl_data_source");
wl_resource_post_no_memory(resource);
return;
}
}
static void data_device_manager_get_data_device(struct wl_client *client,
struct wl_resource *resource, uint32_t id,
struct wl_resource *seat_resource) {
struct wlr_data_device_manager *manager =
wl_resource_get_user_data(resource);
struct wlr_seat_handle *seat_handle =
wl_resource_get_user_data(seat_resource);
struct wlr_data_device *device;
if (!(device = seat_ensure_data_device(manager, seat_handle->wlr_seat))) {
wl_resource_post_no_memory(resource);
return;
}
if (seat_handle->data_device) {
// TODO: implement resource lists for seat related handles
// this is a protocol violation, see the todos in wlr_seat.c
wl_resource_destroy(seat_handle->data_device);
}
seat_handle->data_device = wl_resource_create(client,
&wl_data_device_interface, wl_resource_get_version(resource), id);
if (!seat_handle->data_device) {
wlr_log(L_ERROR, "Failed to create wl_data_device resource");
wl_resource_post_no_memory(resource);
return;
}
wl_resource_set_implementation(seat_handle->data_device, &data_device_impl,
seat_handle, data_device_destroy);
}
struct wl_data_device_manager_interface data_device_manager_impl = {
.create_data_source = data_device_manager_create_data_source,
.get_data_device = data_device_manager_get_data_device
};
static void data_device_manager_bind(struct wl_client *client, void *data,
uint32_t version, uint32_t id) {
struct wlr_data_device_manager *manager = data;
assert(client && manager);
if (version > 3) {
wlr_log(L_ERROR, "Client requested unsupported data_device_manager "
"version, disconnecting");
wl_client_destroy(client);
return;
}
struct wl_resource *resource = wl_resource_create(
client, &wl_data_device_manager_interface, version, id);
if (!resource) {
wlr_log(L_ERROR, "Failed to allocate wl_data_device_manager resource");
wl_client_post_no_memory(client);
return;
}
wl_resource_set_implementation(resource, &data_device_manager_impl,
manager, NULL);
}
struct wlr_data_device_manager *wlr_data_device_manager_create(
struct wl_display *display) {
struct wlr_data_device_manager *manager = calloc(1, sizeof(*manager));
if (!manager) {
wlr_log(L_ERROR, "Failed to allocated wlr_data_device_manager");
return NULL;
}
manager->global =
wl_global_create(display, &wl_data_device_manager_interface, 3, manager,
data_device_manager_bind);
if (!manager->global) {
wlr_log(L_ERROR, "Failed to create global for wlr_data_device_manager");
free(manager);
return NULL;
}
return manager;
}
void wlr_data_device_manager_destroy(struct wlr_data_device_manager *manager) {
if (manager) {
wl_global_destroy(manager->global);
free(manager);
}
}
void wlr_data_device_set_selection(struct wlr_data_device *device,
struct wlr_data_source *source) {
if (device->selection == source) {
return;
}
if (device->selection) {
wl_list_remove(&device->selection_destroyed.link);
wlr_data_source_cancelled(device->selection);
}
device->selection = source;
wl_signal_emit(&device->events.selection_change, device);
if (source) {
wl_signal_add(&source->events.destroy, &device->selection_destroyed);
}
}

140
types/wlr_data_source.c
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@ -1,140 +0,0 @@
#define _XOPEN_SOURCE 700
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <wayland-server.h>
#include <wlr/util/list.h>
#include <wlr/util/log.h>
#include <wlr/types/wlr_data_source.h>
#include <wlr/types/wlr_data_device_manager.h>
#include <wlr/interfaces/wlr_data_source.h>
bool wlr_data_source_init(struct wlr_data_source *source,
struct wlr_data_source_impl *impl) {
source->impl = impl;
wl_signal_init(&source->events.destroy);
return (source->types = list_create());
}
void wlr_data_source_finish(struct wlr_data_source *source) {
if (source) {
wl_signal_emit(&source->events.destroy, source);
if (source->types) {
list_foreach(source->types, free);
}
list_free(source->types);
}
}
void wlr_data_source_send(struct wlr_data_source *src, const char *type,
int fd) {
assert(src && src->impl && src->impl->send);
src->impl->send(src, type, fd);
}
void wlr_data_source_accepted(struct wlr_data_source *src, const char *type) {
assert(src && src->impl);
if (src->impl->accepted) {
src->impl->accepted(src, type);
}
}
void wlr_data_source_cancelled(struct wlr_data_source *src) {
assert(src && src->impl);
if (src->impl->cancelled) {
src->impl->cancelled(src);
}
}
static void data_source_send(struct wlr_data_source *src,
const char *type, int fd) {
struct wlr_wl_data_source *wl_src = (struct wlr_wl_data_source *) src;
wl_data_source_send_send(wl_src->resource, type, fd);
close(fd);
}
static void data_source_accepted(struct wlr_data_source *src,
const char *type) {
struct wlr_wl_data_source *wl_src = (struct wlr_wl_data_source *) src;
wl_data_source_send_target(wl_src->resource, type);
}
static void data_source_cancelled(struct wlr_data_source *src) {
struct wlr_wl_data_source *wl_src = (struct wlr_wl_data_source *) src;
wl_data_source_send_cancelled(wl_src->resource);
}
static struct wlr_data_source_impl data_source_wl_impl = {
.send = data_source_send,
.accepted = data_source_accepted,
.cancelled = data_source_cancelled,
};
static void data_source_offer(struct wl_client *client,
struct wl_resource *resource,
const char *type) {
struct wlr_wl_data_source *src = wl_resource_get_user_data(resource);
char *dtype = strdup(type);
if (!dtype) {
wl_resource_post_no_memory(resource);
return;
}
list_add(src->base.types, dtype);
}
static void data_source_destroy(struct wl_client *client,
struct wl_resource *resource) {
wl_resource_destroy(resource);
}
static void data_source_set_actions(struct wl_client *client,
struct wl_resource *resource, uint32_t dnd_actions) {
wlr_log(L_DEBUG, "TODO: data source set actions");
}
static struct wl_data_source_interface wl_data_source_impl = {
.offer = data_source_offer,
.destroy = data_source_destroy,
.set_actions = data_source_set_actions,
};
static void destroy_wl_data_source(struct wl_resource *resource) {
struct wlr_wl_data_source *src = wl_resource_get_user_data(resource);
wlr_data_source_finish(&src->base);
free(src);
}
struct wlr_wl_data_source *wlr_wl_data_source_create(
struct wl_client *client,
uint32_t version, uint32_t id) {
struct wlr_wl_data_source *src = calloc(1, sizeof(*src));
if (!src) {
wlr_log(L_ERROR, "Failed to allocator wlr_wl_data_source");
wl_client_post_no_memory(client);
return NULL;
}
if (!wlr_data_source_init(&src->base, &data_source_wl_impl)) {
wlr_log(L_ERROR, "Failed to init wlr_wl_data_source");
wl_client_post_no_memory(client);
goto err;
}
if (!(src->resource = wl_resource_create(client, &wl_data_source_interface,
version, id))) {
wlr_log(L_ERROR, "Failed to create wl_resource for wlr_wl_data_source");
wl_client_post_no_memory(client);
goto err;
}
wl_resource_set_implementation(src->resource, &wl_data_source_impl, src,
destroy_wl_data_source);
return src;
err:
wlr_data_source_finish(&src->base);
free(src);
return NULL;
}
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