Fire up the wlroots backend and run the event loop

1 files changed, 22 insertions, 367 deletions

diff --git a/sway/ipc-server.c b/sway/ipc-server.c
index b560b930..9ba736d8 100644
--- a/sway/ipc-server.c
+++ b/sway/ipc-server.c
@@ -10,7 +10,6 @@
 #include <sys/socket.h>
 #include <sys/un.h>
 #include <stdbool.h>
-#include <wlc/wlc-render.h>
 #include <unistd.h>
 #include <stdlib.h>
 #include <sys/ioctl.h>
@@ -31,21 +30,22 @@ struct ucred {
 #include "sway/config.h"
 #include "sway/commands.h"
 #include "sway/input.h"
+#include "sway/server.h"
 #include "stringop.h"
 #include "log.h"
 #include "list.h"
 #include "util.h"
 
 static int ipc_socket = -1;
-static struct wlc_event_source *ipc_event_source =  NULL;
+static struct wl_event_source *ipc_event_source =  NULL;
 static struct sockaddr_un *ipc_sockaddr = NULL;
 static list_t *ipc_client_list = NULL;
 
 static const char ipc_magic[] = {'i', '3', '-', 'i', 'p', 'c'};
 
 struct ipc_client {
-        struct wlc_event_source *event_source;
-        struct wlc_event_source *writable_event_source;
+        struct wl_event_source *event_source;
+        struct wl_event_source *writable_event_source;
         int fd;
         uint32_t payload_length;
         uint32_t security_policy;
@@ -58,25 +58,6 @@ struct ipc_client {
 
 static list_t *ipc_get_pixel_requests = NULL;
 
-struct get_pixels_request {
-        struct ipc_client *client;
-        wlc_handle output;
-        struct wlc_geometry geo;
-};
-
-struct get_clipboard_request {
-        struct ipc_client *client;
-        json_object *json;
-        int fd;
-        struct wlc_event_source *fd_event_source;
-        struct wlc_event_source *timer_event_source;
-        char *type;
-        unsigned int *pending;
-        char *buf;
-        size_t buf_size;
-        size_t buf_position;
-};
-
 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);
@@ -118,12 +99,13 @@ void ipc_init(void) {
         ipc_client_list = create_list();
         ipc_get_pixel_requests = create_list();
 
-        ipc_event_source = wlc_event_loop_add_fd(ipc_socket, WLC_EVENT_READABLE, ipc_handle_connection, NULL);
+        ipc_event_source = wl_event_loop_add_fd(server.wl_event_loop, ipc_socket,
+                        WL_EVENT_READABLE, ipc_handle_connection, NULL);
 }
 
 void ipc_terminate(void) {
         if (ipc_event_source) {
-                wlc_event_source_remove(ipc_event_source);
+                wl_event_source_remove(ipc_event_source);
         }
         close(ipc_socket);
         unlink(ipc_sockaddr->sun_path);
@@ -176,7 +158,7 @@ static pid_t get_client_pid(int client_fd) {
 int ipc_handle_connection(int fd, uint32_t mask, void *data) {
         (void) fd; (void) data;
         sway_log(L_DEBUG, "Event on IPC listening socket");
-        assert(mask == WLC_EVENT_READABLE);
+        assert(mask == WL_EVENT_READABLE);
 
         int client_fd = accept(ipc_socket, NULL, NULL);
         if (client_fd == -1) {
@@ -207,7 +189,8 @@ int ipc_handle_connection(int fd, uint32_t mask, void *data) {
         client->payload_length = 0;
         client->fd = client_fd;
         client->subscribed_events = 0;
-        client->event_source = wlc_event_loop_add_fd(client_fd, WLC_EVENT_READABLE, ipc_client_handle_readable, client);
+        client->event_source = wl_event_loop_add_fd(server.wl_event_loop, client_fd,
+                        WL_EVENT_READABLE, ipc_client_handle_readable, client);
         client->writable_event_source = NULL;
 
         client->write_buffer_size = 128;
@@ -234,13 +217,13 @@ static const int ipc_header_size = sizeof(ipc_magic)+8;
 int ipc_client_handle_readable(int client_fd, uint32_t mask, void *data) {
         struct ipc_client *client = data;
 
-        if (mask & WLC_EVENT_ERROR) {
+        if (mask & WL_EVENT_ERROR) {
                 sway_log(L_ERROR, "IPC Client socket error, removing client");
                 ipc_client_disconnect(client);
                 return 0;
         }
 
-        if (mask & WLC_EVENT_HANGUP) {
+        if (mask & WL_EVENT_HANGUP) {
                 sway_log(L_DEBUG, "Client %d hung up", client->fd);
                 ipc_client_disconnect(client);
                 return 0;
@@ -296,13 +279,13 @@ int ipc_client_handle_readable(int client_fd, uint32_t mask, void *data) {
 int ipc_client_handle_writable(int client_fd, uint32_t mask, void *data) {
         struct ipc_client *client = data;
 
-        if (mask & WLC_EVENT_ERROR) {
+        if (mask & WL_EVENT_ERROR) {
                 sway_log(L_ERROR, "IPC Client socket error, removing client");
                 ipc_client_disconnect(client);
                 return 0;
         }
 
-        if (mask & WLC_EVENT_HANGUP) {
+        if (mask & WL_EVENT_HANGUP) {
                 sway_log(L_DEBUG, "Client %d hung up", client->fd);
                 ipc_client_disconnect(client);
                 return 0;
@@ -328,7 +311,7 @@ int ipc_client_handle_writable(int client_fd, uint32_t mask, void *data) {
         client->write_buffer_len -= written;
 
         if (client->write_buffer_len == 0 && client->writable_event_source) {
-                wlc_event_source_remove(client->writable_event_source);
+                wl_event_source_remove(client->writable_event_source);
                 client->writable_event_source = NULL;
         }
 
@@ -345,9 +328,9 @@ void ipc_client_disconnect(struct ipc_client *client) {
         }
 
         sway_log(L_INFO, "IPC Client %d disconnected", client->fd);
-        wlc_event_source_remove(client->event_source);
+        wl_event_source_remove(client->event_source);
         if (client->writable_event_source) {
-                wlc_event_source_remove(client->writable_event_source);
+                wl_event_source_remove(client->writable_event_source);
         }
         int i = 0;
         while (i < ipc_client_list->length && ipc_client_list->items[i] != client) i++;
@@ -365,165 +348,6 @@ bool output_by_name_test(swayc_t *view, void *data) {
         return !strcmp(name, view->name);
 }
 
-void ipc_get_pixels(wlc_handle output) {
-        if (ipc_get_pixel_requests->length == 0) {
-                return;
-        }
-
-        list_t *unhandled = create_list();
-
-        struct get_pixels_request *req;
-        int i;
-        for (i = 0; i < ipc_get_pixel_requests->length; ++i) {
-                req = ipc_get_pixel_requests->items[i];
-                if (req->output != output) {
-                        list_add(unhandled, req);
-                        continue;
-                }
-
-                const struct wlc_size *size = &req->geo.size;
-                struct wlc_geometry g_out;
-                char response_header[9];
-                memset(response_header, 0, sizeof(response_header));
-                char *data = malloc(sizeof(response_header) + size->w * size->h * 4);
-                if (!data) {
-                        sway_log(L_ERROR, "Unable to allocate pixels for get_pixels");
-                        ipc_client_disconnect(req->client);
-                        free(req);
-                        continue;
-                }
-                wlc_pixels_read(WLC_RGBA8888, &req->geo, &g_out, data + sizeof(response_header));
-
-                response_header[0] = 1;
-                uint32_t *_size = (uint32_t *)(response_header + 1);
-                _size[0] = g_out.size.w;
-                _size[1] = g_out.size.h;
-                size_t len = sizeof(response_header) + (g_out.size.w * g_out.size.h * 4);
-                memcpy(data, response_header, sizeof(response_header));
-                ipc_send_reply(req->client, data, len);
-                free(data);
-                // free the request since it has been handled
-                free(req);
-        }
-
-        // free old list of pixel requests and set new list to all unhandled
-        // requests (request for another output).
-        list_free(ipc_get_pixel_requests);
-        ipc_get_pixel_requests = unhandled;
-}
-
-static bool is_text_target(const char *target) {
-        return (strncmp(target, "text/", 5) == 0
-                || strcmp(target, "UTF8_STRING") == 0
-                || strcmp(target, "STRING") == 0
-                || strcmp(target, "TEXT") == 0
-                || strcmp(target, "COMPOUND_TEXT") == 0);
-}
-
-static void release_clipboard_request(struct get_clipboard_request *req) {
-        if (--(*req->pending) == 0) {
-                const char *str = json_object_to_json_string(req->json);
-                ipc_send_reply(req->client, str, (uint32_t)strlen(str));
-                json_object_put(req->json);
-        }
-
-        free(req->type);
-        free(req->buf);
-        wlc_event_source_remove(req->fd_event_source);
-        wlc_event_source_remove(req->timer_event_source);
-        close(req->fd);
-        free(req);
-}
-
-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");
-                goto error;
-        }
-
-        if (mask & WLC_EVENT_READABLE) {
-                static const unsigned int max_size = 8192 * 1024;
-                int amt = 0;
-
-                do {
-                        int size = req->buf_size - req->buf_position;
-                        int amt = read(fd, req->buf + req->buf_position, size - 1);
-                        if (amt < 0) {
-                                if (errno == EAGAIN) {
-                                        return 0;
-                                }
-
-                                sway_log_errno(L_INFO, "Failed to read from clipboard data fd");
-                                goto release;
-                        }
-
-                        req->buf_position += amt;
-                        if (req->buf_position >= req->buf_size - 1) {
-                                if (req->buf_size >= max_size) {
-                                        sway_log(L_ERROR, "get_clipbard: selection data too large");
-                                        goto error;
-                                }
-                                char *next = realloc(req->buf, req->buf_size *= 2);
-                                if (!next) {
-                                        sway_log_errno(L_ERROR, "get_clipboard: realloc data buffer failed");
-                                        goto error;
-                                }
-
-                                req->buf = next;
-                        }
-                } while(amt != 0);
-
-                req->buf[req->buf_position] = '\0';
-
-                json_object *obj = json_object_new_object();
-                json_object_object_add(obj, "success", json_object_new_boolean(true));
-                if (is_text_target(req->type)) {
-                        json_object_object_add(obj, "content", json_object_new_string(req->buf));
-                        json_object_object_add(req->json, req->type, obj);
-                } else {
-                        size_t outlen;
-                        char *b64 = b64_encode(req->buf, req->buf_position, &outlen);
-                        json_object_object_add(obj, "content", json_object_new_string(b64));
-                        free(b64);
-
-                        char *type = malloc(strlen(req->type) + 8);
-                        strcat(type, ";base64");
-                        json_object_object_add(req->json, type, obj);
-                        free(type);
-                }
-        }
-
-        goto release;
-
-error:;
-        json_object *obj = json_object_new_object();
-        json_object_object_add(obj, "success", json_object_new_boolean(false));
-        json_object_object_add(obj, "error",
-                json_object_new_string("Failed to retrieve data"));
-        json_object_object_add(req->json, req->type, obj);
-
-release:
-        release_clipboard_request(req);
-        return 0;
-}
-
-static int ipc_selection_timer_cb(void *data) {
-        assert(data);
-        struct get_clipboard_request *req = (struct get_clipboard_request *)data;
-
-        sway_log(L_INFO, "get_clipbard: timeout for type %s", req->type);
-        json_object *obj = json_object_new_object();
-        json_object_object_add(obj, "success", json_object_new_boolean(false));
-        json_object_object_add(obj, "error", json_object_new_string("Timeout"));
-        json_object_object_add(req->json, req->type, obj);
-
-        release_clipboard_request(req);
-        return 0;
-}
-
 // greedy wildcard (only "*") matching
 bool mime_type_matches(const char *mime_type, const char *pattern) {
         const char *wildcard = NULL;
@@ -553,125 +377,6 @@ bool mime_type_matches(const char *mime_type, const char *pattern) {
         return (*mime_type == *pattern);
 }
 
-void ipc_get_clipboard(struct ipc_client *client, char *buf) {
-        size_t size;
-        const char **types = wlc_get_selection_types(&size);
-        if (client->payload_length == 0) {
-                json_object *obj = json_object_new_array();
-                for (size_t i = 0; i < size; ++i) {
-                        json_object_array_add(obj, json_object_new_string(types[i]));
-                }
-
-                const char *str = json_object_to_json_string(obj);
-                ipc_send_reply(client, str, strlen(str));
-                json_object_put(obj);
-                return;
-        }
-
-        unescape_string(buf);
-        strip_quotes(buf);
-        list_t *requested = split_string(buf, " ");
-        json_object *json = json_object_new_object();
-        unsigned int *pending = malloc(sizeof(unsigned int));
-        *pending = 0;
-
-        for (size_t l = 0; l < (size_t) requested->length; ++l) {
-                const char *pattern = requested->items[l];
-                bool found = false;
-                for (size_t i = 0; i < size; ++i) {
-                        if (!mime_type_matches(types[i], pattern)) {
-                                continue;
-                        }
-
-                        found = true;
-
-                        struct get_clipboard_request *req = malloc(sizeof(*req));
-                        if (!req) {
-                                sway_log(L_ERROR, "get_clipboard: request malloc failed");
-                                goto data_error;
-                        }
-
-                        int pipes[2];
-                        if (pipe(pipes) == -1) {
-                                sway_log_errno(L_ERROR, "get_clipboard: pipe call failed");
-                                free(req);
-                                goto data_error;
-                        }
-
-                        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, "get_clipboard: failed to retrieve "
-                                        "selection data");
-                                goto data_error;
-                        }
-
-                        if (!(req->buf = malloc(512))) {
-                                close(pipes[0]);
-                                close(pipes[1]);
-                                free(req);
-                                sway_log_errno(L_ERROR, "get_clipboard: buf malloc failed");
-                                goto data_error;
-                        }
-
-                        (*pending)++;
-
-                        req->client = client;
-                        req->type = strdup(types[i]);
-                        req->json = json;
-                        req->pending = pending;
-                        req->buf_position = 0;
-                        req->buf_size = 512;
-                        req->fd = pipes[0];
-                        req->timer_event_source = wlc_event_loop_add_timer(ipc_selection_timer_cb, req);
-                        req->fd_event_source = wlc_event_loop_add_fd(pipes[0],
-                                WLC_EVENT_READABLE | WLC_EVENT_ERROR | WLC_EVENT_HANGUP,
-                                &ipc_selection_data_cb, req);
-
-                        wlc_event_source_timer_update(req->timer_event_source, 30000);
-
-                        // NOTE: remove this goto to enable retrieving multiple
-                        // targets at once. The whole implementation is already
-                        // made for it. The only reason it was disabled
-                        // at the time of writing is that neither wlc's xselection
-                        // implementation nor (apparently) gtk on wayland supports
-                        // multiple send requests at the same time which makes
-                        // every request except the last one fail (and therefore
-                        // return empty data)
-                        goto cleanup;
-                }
-
-                if (!found) {
-                        sway_log(L_INFO, "Invalid clipboard type %s requested", pattern);
-                }
-        }
-
-        if (*pending == 0) {
-                static const char *error_empty = "{ \"success\": false, \"error\": "
-                        "\"No matching types found\" }";
-                ipc_send_reply(client, error_empty, (uint32_t)strlen(error_empty));
-                free(json);
-                free(pending);
-        }
-
-        goto cleanup;
-
-data_error:;
-        static const char *error_json = "{ \"success\": false, \"error\": "
-                "\"Failed to create clipboard data request\" }";
-        ipc_send_reply(client, error_json, (uint32_t)strlen(error_json));
-        free(json);
-        free(pending);
-
-cleanup:
-        list_free(requested);
-        free(types);
-}
-
 void ipc_client_handle_command(struct ipc_client *client) {
         if (!sway_assert(client != NULL, "client != NULL")) {
                 return;
@@ -830,52 +535,6 @@ void ipc_client_handle_command(struct ipc_client *client) {
                 goto exit_cleanup;
         }
 
-        case IPC_SWAY_GET_PIXELS:
-        {
-                char response_header[9];
-                memset(response_header, 0, sizeof(response_header));
-
-                json_object *obj = json_tokener_parse(buf);
-                json_object *o, *x, *y, *w, *h;
-
-                json_object_object_get_ex(obj, "output", &o);
-                json_object_object_get_ex(obj, "x", &x);
-                json_object_object_get_ex(obj, "y", &y);
-                json_object_object_get_ex(obj, "w", &w);
-                json_object_object_get_ex(obj, "h", &h);
-
-                struct wlc_geometry g = {
-                        .origin = {
-                                .x = json_object_get_int(x),
-                                .y = json_object_get_int(y)
-                        },
-                        .size = {
-                                .w = json_object_get_int(w),
-                                .h = json_object_get_int(h)
-                        }
-                };
-
-                swayc_t *output = swayc_by_test(&root_container, output_by_name_test, (void *)json_object_get_string(o));
-                json_object_put(obj);
-
-                if (!output) {
-                        sway_log(L_ERROR, "IPC GET_PIXELS request with unknown output name");
-                        ipc_send_reply(client, response_header, sizeof(response_header));
-                        goto exit_cleanup;
-                }
-                struct get_pixels_request *req = malloc(sizeof(struct get_pixels_request));
-                if (!req) {
-                        sway_log(L_ERROR, "Unable to allocate get_pixels request");
-                        goto exit_cleanup;
-                }
-                req->client = client;
-                req->output = output->handle;
-                req->geo = g;
-                list_add(ipc_get_pixel_requests, req);
-                wlc_output_schedule_render(output->handle);
-                goto exit_cleanup;
-        }
-
         case IPC_GET_BAR_CONFIG:
         {
                 if (!(client->security_policy & IPC_FEATURE_GET_BAR_CONFIG)) {
@@ -917,14 +576,8 @@ void ipc_client_handle_command(struct ipc_client *client) {
         }
 
         case IPC_GET_CLIPBOARD:
-        {
-                if (!(client->security_policy & IPC_FEATURE_GET_CLIPBOARD)) {
-                        goto exit_denied;
-                }
-
-                ipc_get_clipboard(client, buf);
-                goto exit_cleanup;
-        }
+                // TODO WLR
+                break;
 
         default:
                 sway_log(L_INFO, "Unknown IPC command type %i", client->current_command);
@@ -977,7 +630,9 @@ bool ipc_send_reply(struct ipc_client *client, const char *payload, uint32_t pay
         client->write_buffer_len += payload_length;
 
         if (!client->writable_event_source) {
-                client->writable_event_source = wlc_event_loop_add_fd(client->fd, WLC_EVENT_WRITABLE, ipc_client_handle_writable, client);
+                client->writable_event_source = wl_event_loop_add_fd(
+                                server.wl_event_loop, client->fd, WL_EVENT_WRITABLE,
+                                ipc_client_handle_writable, client);
         }
 
         sway_log(L_DEBUG, "Added IPC reply to client %d queue: %s", client->fd, payload);