Implement ipc get_clipboard

This commit is contained in:
nyorain 2017-07-07 15:38:45 +02:00
parent 23a1e94402
commit 02c75ebe37
5 changed files with 134 additions and 2 deletions

View file

@ -13,6 +13,7 @@ enum ipc_command_type {
IPC_GET_BAR_CONFIG = 6,
IPC_GET_VERSION = 7,
IPC_GET_INPUTS = 8,
IPC_GET_CLIPBOARD = 9,
// Events send from sway to clients. Events have the highest bits set.
IPC_EVENT_WORKSPACE = ((1<<31) | 0),
IPC_EVENT_OUTPUT = ((1<<31) | 1),

View file

@ -235,8 +235,9 @@ enum ipc_feature {
IPC_FEATURE_EVENT_WINDOW = 2048,
IPC_FEATURE_EVENT_BINDING = 4096,
IPC_FEATURE_EVENT_INPUT = 8192,
IPC_FEATURE_GET_CLIPBOARD = 16384,
IPC_FEATURE_ALL_COMMANDS = 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
IPC_FEATURE_ALL_COMMANDS = 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 | 16384,
IPC_FEATURE_ALL_EVENTS = 256 | 512 | 1024 | 2048 | 4096 | 8192,
IPC_FEATURE_ALL = IPC_FEATURE_ALL_COMMANDS | IPC_FEATURE_ALL_EVENTS,

View file

@ -89,6 +89,7 @@ struct cmd_results *cmd_ipc_cmd(int argc, char **argv) {
{ "marks", IPC_FEATURE_GET_MARKS },
{ "bar-config", IPC_FEATURE_GET_BAR_CONFIG },
{ "inputs", IPC_FEATURE_GET_INPUTS },
{ "clipboard", IPC_FEATURE_GET_CLIPBOARD },
};
uint32_t type = 0;

View file

@ -55,6 +55,11 @@ struct get_pixels_request {
struct wlc_geometry geo;
};
struct get_clipboard_request {
struct ipc_client *client;
struct wlc_event_source *event_source;
};
struct sockaddr_un *ipc_user_sockaddr(void);
int ipc_handle_connection(int fd, uint32_t mask, void *data);
int ipc_client_handle_readable(int client_fd, uint32_t mask, void *data);
@ -322,6 +327,46 @@ void ipc_get_pixels(wlc_handle output) {
ipc_get_pixel_requests = unhandled;
}
static int ipc_selection_data_cb(int fd, uint32_t mask, void *data)
{
assert(data);
struct get_clipboard_request *req = (struct get_clipboard_request*) data;
if (mask & WLC_EVENT_ERROR) {
sway_log(L_ERROR, "Selection data fd error");
const char *error = "{ \"success\": false, \"error\": "
"\"Could not receive text data from clipboard\" }";
ipc_send_reply(req->client, error, (uint32_t)strlen(error));
goto cleanup;
}
if (mask & WLC_EVENT_READABLE) {
char buf[512];
int ret = read(fd, buf, 511);
if (ret < 0) {
sway_log_errno(L_ERROR, "Reading from selection data fd failed");
const char *error = "{ \"success\": false, \"error\": "
"\"Could not receive text data from clipboard\" }";
ipc_send_reply(req->client, error, (uint32_t)strlen(error));
goto cleanup;
}
buf[ret] = '\0';
json_object *obj = json_object_new_object();
json_object_object_add(obj, "success", json_object_new_boolean(true));
json_object_object_add(obj, "content", json_object_new_string(buf));
const char *str = json_object_to_json_string(obj);
ipc_send_reply(req->client, str, (uint32_t)strlen(str));
json_object_put(obj);
}
cleanup:
wlc_event_source_remove(req->event_source);
close(fd);
free(req);
return 0;
}
void ipc_client_handle_command(struct ipc_client *client) {
if (!sway_assert(client != NULL, "client != NULL")) {
return;
@ -565,6 +610,70 @@ void ipc_client_handle_command(struct ipc_client *client) {
goto exit_cleanup;
}
case IPC_GET_CLIPBOARD:
{
if (!(client->security_policy & IPC_FEATURE_GET_CLIPBOARD)) {
goto exit_denied;
}
size_t size;
bool found = false;
const char **types = wlc_get_selection_types(&size);
if (types == NULL || size == 0) {
const char *error = "{ \"success\": false, \"error\": "
"\"Empty clipboard\" }";
ipc_send_reply(client, error, (uint32_t)strlen(error));
goto exit_cleanup;
}
for (size_t i = 0; i < size; ++i) {
if (strcmp(types[i], "text/plain;charset=utf-8") != 0
&& strcmp(types[i], "text/plain") != 0) {
continue;
}
struct get_clipboard_request *req = malloc(sizeof(*req));
if (!req) {
sway_log(L_ERROR, "Unable to allocate get_clipboard_request");
goto exit_cleanup;
}
int pipes[2];
if (pipe(pipes) == -1) {
sway_log_errno(L_ERROR, "pipe call failed");
free(req);
break;
}
fcntl(pipes[0], F_SETFD, FD_CLOEXEC | O_NONBLOCK);
fcntl(pipes[1], F_SETFD, FD_CLOEXEC | O_NONBLOCK);
if (!wlc_get_selection_data(types[i], pipes[1])) {
close(pipes[0]);
close(pipes[1]);
free(req);
sway_log(L_ERROR, "wlc_get_selection_data failed");
break;
}
req->client = client;
req->event_source = wlc_event_loop_add_fd(pipes[0],
WLC_EVENT_READABLE | WLC_EVENT_ERROR | WLC_EVENT_HANGUP,
&ipc_selection_data_cb, req);
found = true;
break;
}
if (!found) {
sway_log(L_INFO, "Clipboard has to text data");
const char *error = "{ \"success\": false, \"error\": "
"\"Could not receive text data from clipboard\" }";
ipc_send_reply(client, error, (uint32_t)strlen(error));
}
free(types);
goto exit_cleanup;
}
default:
sway_log(L_INFO, "Unknown IPC command type %i", client->current_command);
goto exit_cleanup;

View file

@ -144,10 +144,23 @@ static void pretty_print_version(json_object *v) {
printf("sway version %s\n", json_object_get_string(ver));
}
static void pretty_print_clipboard(json_object *v) {
bool _success;
json_object *success;
json_object_object_get_ex(v, "success", &success);
_success = json_object_get_boolean(success);
if (_success) {
json_object *ver;
json_object_object_get_ex(v, "content", &ver);
printf("%s\n", json_object_get_string(ver));
}
}
static void pretty_print(int type, json_object *resp) {
if (type != IPC_COMMAND && type != IPC_GET_WORKSPACES &&
type != IPC_GET_INPUTS && type != IPC_GET_OUTPUTS &&
type != IPC_GET_VERSION) {
type != IPC_GET_VERSION && type != IPC_GET_CLIPBOARD) {
printf("%s\n", json_object_to_json_string_ext(resp,
JSON_C_TO_STRING_PRETTY | JSON_C_TO_STRING_SPACED));
return;
@ -158,6 +171,11 @@ static void pretty_print(int type, json_object *resp) {
return;
}
if (type == IPC_GET_CLIPBOARD) {
pretty_print_clipboard(resp);
return;
}
json_object *obj;
size_t len = json_object_array_length(resp);
for (size_t i = 0; i < len; ++i) {
@ -267,6 +285,8 @@ int main(int argc, char **argv) {
type = IPC_GET_BAR_CONFIG;
} else if (strcasecmp(cmdtype, "get_version") == 0) {
type = IPC_GET_VERSION;
} else if (strcasecmp(cmdtype, "get_clipboard") == 0) {
type = IPC_GET_CLIPBOARD;
} else {
sway_abort("Unknown message type %s", cmdtype);
}