+++ /dev/null
-/*
- * Copyright © 2011 Intel Corporation
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of the copyright holders not be used in
- * advertising or publicity pertaining to distribution of the software
- * without specific, written prior permission. The copyright holders make
- * no representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
- * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
- * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
- * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#define _GNU_SOURCE
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <unistd.h>
-
-#include <xcb/xcb.h>
-
-#include <wayland-server.h>
-
-#include "compositor.h"
-
-/*
- * TODO:
- * - Clean X socket and lock file on exit
- * - Nuke lock file if process doesn't exist.
- */
-
-struct wlsc_xserver {
- struct wl_display *wl_display;
- struct wl_event_loop *loop;
- struct wl_event_source *source;
- struct wl_event_source *sigchld_source;
- struct wl_client *client;
- int fd;
- struct sockaddr_un addr;
- char lock_addr[113];
- int display;
- struct wlsc_process process;
-};
-
-static int
-wlsc_xserver_handle_event(int listen_fd, uint32_t mask, void *data)
-{
- struct wlsc_xserver *mxs = data;
- char listen_fd_str[8], display[8], s[8];
- int sv[2], flags;
-
- if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, sv) < 0) {
- fprintf(stderr, "socketpair failed\n");
- return 1;
- }
-
- mxs->process.pid = fork();
- switch (mxs->process.pid) {
- case 0:
- /* SOCK_CLOEXEC closes both ends, so we need to unset
- * the flag on the client fd. */
- flags = fcntl(sv[1], F_GETFD);
- if (flags != -1)
- fcntl(sv[1], F_SETFD, flags & ~FD_CLOEXEC);
-
- flags = fcntl(listen_fd, F_GETFD);
- if (flags != -1)
- fcntl(listen_fd, F_SETFD, flags & ~FD_CLOEXEC);
-
- snprintf(s, sizeof s, "%d", sv[1]);
- setenv("WAYLAND_SOCKET", s, 1);
-
- snprintf(listen_fd_str, sizeof listen_fd_str, "%d", listen_fd);
- snprintf(display, sizeof display, ":%d", mxs->display);
-
- if (execl("/usr/bin/Xorg",
- "/usr/bin/Xorg",
- display,
- "-wayland",
- "-rootless",
- "-retro",
- "-logfile", "/tmp/foo",
- "-terminate",
- "-socket", listen_fd_str,
- NULL) < 0)
- fprintf(stderr, "exec failed: %m\n");
- exit(-1);
-
- default:
- fprintf(stderr, "forked X server, pid %d\n", mxs->process.pid);
-
- close(sv[1]);
- mxs->client = wl_client_create(mxs->wl_display, sv[0]);
-
- wlsc_watch_process(&mxs->process);
-
- wl_event_source_remove(mxs->source);
- break;
-
- case -1:
- fprintf(stderr, "failed to fork\n");
- break;
- }
-
- return 1;
-}
-
-static void
-wlsc_xserver_cleanup(struct wlsc_process *process, int status)
-{
- struct wlsc_xserver *mxs =
- container_of(process, struct wlsc_xserver, process);
-
- fprintf(stderr, "xserver exited, code %d\n", status);
- mxs->process.pid = 0;
- mxs->source =
- wl_event_loop_add_fd(mxs->loop, mxs->fd, WL_EVENT_READABLE,
- wlsc_xserver_handle_event, mxs);
-}
-
-int
-wlsc_xserver_init(struct wl_display *display)
-{
- struct wlsc_xserver *mxs;
- char lockfile[256], pid[16];
- socklen_t size, name_size;
- int fd;
-
- mxs = malloc(sizeof *mxs);
- memset(mxs, 0, sizeof mxs);
-
- mxs->process.cleanup = wlsc_xserver_cleanup;
- mxs->wl_display = display;
- mxs->addr.sun_family = AF_LOCAL;
- mxs->fd = socket(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0);
- if (mxs->fd < 0) {
- free(mxs);
- return -1;
- }
-
- mxs->display = 0;
- do {
- snprintf(lockfile, sizeof lockfile,
- "/tmp/.X%d-lock", mxs->display);
- fd = open(lockfile,
- O_WRONLY | O_CLOEXEC | O_CREAT | O_EXCL, 0444);
- if (fd < 0 && errno == EEXIST) {
- fprintf(stderr, "server %d exists\n", mxs->display);
- mxs->display++;
- continue;
- } else if (fd < 0) {
- close(mxs->fd);
- free(mxs);
- return -1;
- }
-
- size = snprintf(pid, sizeof pid, "%10d\n", getpid());
- write(fd, pid, size);
- close(fd);
-
- name_size = snprintf(mxs->addr.sun_path,
- sizeof mxs->addr.sun_path,
- "/tmp/.X11-unix/X%d", mxs->display) + 1;
- size = offsetof(struct sockaddr_un, sun_path) + name_size;
- if (bind(mxs->fd, (struct sockaddr *) &mxs->addr, size) < 0) {
- fprintf(stderr, "failed to bind to %s (%m)\n",
- mxs->addr.sun_path);
- unlink(lockfile);
- close(mxs->fd);
- free(mxs);
- return -1;
- }
- break;
- } while (errno != 0);
-
- fprintf(stderr, "listening on display %d\n", mxs->display);
-
- if (listen(mxs->fd, 1) < 0) {
- unlink(mxs->addr.sun_path);
- unlink(lockfile);
- close(mxs->fd);
- free(mxs);
- return -1;
- }
-
- mxs->loop = wl_display_get_event_loop(display);
- mxs->source =
- wl_event_loop_add_fd(mxs->loop, mxs->fd, WL_EVENT_READABLE,
- wlsc_xserver_handle_event, mxs);
-
- return 0;
-}
--- /dev/null
+/*
+ * Copyright © 2011 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the copyright holders not be used in
+ * advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. The copyright holders make
+ * no representations about the suitability of this software for any
+ * purpose. It is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define _GNU_SOURCE
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include <xcb/xcb.h>
+
+#include <wayland-server.h>
+
+#include "compositor.h"
+#include "xserver-server-protocol.h"
+
+/*
+ * TODO:
+ * - Clean X socket and lock file on exit
+ * - Nuke lock file if process doesn't exist.
+ *
+ * WM TODO:
+ * - Send take focus, hook into wlsc_surface_activate.
+ */
+
+struct xserver {
+ struct wl_object object;
+};
+
+struct wlsc_xserver {
+ struct wl_display *wl_display;
+ struct wl_event_loop *loop;
+ struct wl_event_source *source;
+ struct wl_event_source *sigchld_source;
+ struct wl_client *client;
+ int fd;
+ struct sockaddr_un addr;
+ char lock_addr[113];
+ int display;
+ struct wlsc_process process;
+
+ struct xserver xserver;
+
+ struct wlsc_wm *wm;
+};
+
+struct wlsc_wm {
+ xcb_connection_t *conn;
+ struct wl_event_source *source;
+ xcb_screen_t *screen;
+ struct wl_hash_table *window_hash;
+ struct {
+ xcb_atom_t wm_protocols;
+ xcb_atom_t wm_take_focus;
+ xcb_atom_t wm_delete_window;
+ xcb_atom_t net_wm_name;
+ xcb_atom_t net_wm_icon;
+ xcb_atom_t net_wm_state;
+ xcb_atom_t net_wm_state_fullscreen;
+ xcb_atom_t utf8_string;
+ } atom;
+};
+
+struct wlsc_wm_window {
+ xcb_window_t id;
+ struct wlsc_surface *surface;
+};
+
+static void
+wlsc_wm_handle_configure_request(struct wlsc_wm *wm, xcb_generic_event_t *event)
+{
+ xcb_configure_request_event_t *configure_request =
+ (xcb_configure_request_event_t *) event;
+ uint32_t values[16];
+ int i = 0;
+
+ fprintf(stderr, "XCB_CONFIGURE_REQUEST\n");
+
+ if (configure_request->value_mask & XCB_CONFIG_WINDOW_X)
+ values[i++] = configure_request->x;
+ if (configure_request->value_mask & XCB_CONFIG_WINDOW_Y)
+ values[i++] = configure_request->y;
+ if (configure_request->value_mask & XCB_CONFIG_WINDOW_WIDTH)
+ values[i++] = configure_request->width;
+ if (configure_request->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
+ values[i++] = configure_request->height;
+ if (configure_request->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
+ values[i++] = configure_request->border_width;
+ if (configure_request->value_mask & XCB_CONFIG_WINDOW_SIBLING)
+ values[i++] = configure_request->sibling;
+ if (configure_request->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
+ values[i++] = configure_request->stack_mode;
+
+ xcb_configure_window(wm->conn,
+ configure_request->window,
+ configure_request->value_mask, values);
+}
+
+static void
+wlsc_wm_get_properties(struct wlsc_wm *wm, xcb_window_t window)
+{
+ xcb_generic_error_t *e;
+ xcb_get_property_reply_t *reply;
+ void *value;
+ int i;
+
+ struct {
+ xcb_atom_t atom;
+ xcb_get_property_cookie_t cookie;
+ } props[] = {
+ { XCB_ATOM_WM_CLASS, },
+ { XCB_ATOM_WM_TRANSIENT_FOR },
+ { wm->atom.wm_protocols, },
+ { wm->atom.net_wm_name, },
+ };
+
+ for (i = 0; i < ARRAY_LENGTH(props); i++)
+ props[i].cookie =
+ xcb_get_property (wm->conn,
+ 0, /* delete */
+ window,
+ props[i].atom,
+ XCB_ATOM_ANY,
+ 0, 2048);
+
+ for (i = 0; i < ARRAY_LENGTH(props); i++) {
+ reply = xcb_get_property_reply(wm->conn, props[i].cookie, &e);
+ value = xcb_get_property_value(reply);
+
+ fprintf(stderr, "property %d, type %d, format %d, "
+ "length %d (value_len %d), value \"%s\"\n",
+ props[i].atom,
+ reply->type, reply->format,
+ xcb_get_property_value_length(reply), reply->value_len,
+ reply->type ? (char *) value : "(nil)");
+
+ free(reply);
+ }
+}
+
+static void
+wlsc_wm_activate(struct wlsc_wm *wm,
+ struct wlsc_wm_window *window, xcb_timestamp_t time)
+{
+ xcb_set_input_focus (wm->conn,
+ XCB_INPUT_FOCUS_POINTER_ROOT, window->id, time);
+}
+
+static void
+wlsc_wm_handle_map_request(struct wlsc_wm *wm, xcb_generic_event_t *event)
+{
+ xcb_map_request_event_t *map_request =
+ (xcb_map_request_event_t *) event;
+ uint32_t values[1];
+
+ fprintf(stderr, "XCB_MAP_REQUEST\n");
+
+ wlsc_wm_get_properties(wm, map_request->window);
+ values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE;
+ xcb_change_window_attributes(wm->conn, map_request->window,
+ XCB_CW_EVENT_MASK, values);
+
+ xcb_map_window(wm->conn, map_request->window);
+}
+
+static void
+wlsc_wm_handle_map_notify(struct wlsc_wm *wm, xcb_generic_event_t *event)
+{
+ xcb_map_notify_event_t *map_notify =
+ (xcb_map_notify_event_t *) event;
+ struct wlsc_wm_window *window;
+ xcb_client_message_event_t client_message;
+
+ fprintf(stderr, "XCB_MAP_NOTIFY\n");
+
+ wlsc_wm_get_properties(wm, map_notify->window);
+
+ window = wl_hash_table_lookup(wm->window_hash, map_notify->window);
+ wlsc_wm_activate(wm, window, XCB_TIME_CURRENT_TIME);
+
+ client_message.response_type = XCB_CLIENT_MESSAGE;
+ client_message.format = 32;
+ client_message.window = window->id;
+ client_message.type = wm->atom.wm_protocols;
+ client_message.data.data32[0] = wm->atom.wm_take_focus;
+ client_message.data.data32[1] = XCB_TIME_CURRENT_TIME;
+
+ xcb_send_event(wm->conn, 0, window->id,
+ XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT,
+ (char *) &client_message);
+
+}
+
+static void
+wlsc_wm_handle_property_notify(struct wlsc_wm *wm, xcb_generic_event_t *event)
+{
+ xcb_property_notify_event_t *property_notify =
+ (xcb_property_notify_event_t *) event;
+
+ fprintf(stderr, "XCB_PROPERTY_NOTIFY\n");
+
+ if (property_notify->atom == XCB_ATOM_WM_CLASS) {
+ fprintf(stderr, "wm_class changed\n");
+ } else if (property_notify->atom == XCB_ATOM_WM_TRANSIENT_FOR) {
+ fprintf(stderr, "wm_transient_for changed\n");
+ } else if (property_notify->atom == wm->atom.wm_protocols) {
+ fprintf(stderr, "wm_protocols changed\n");
+ } else if (property_notify->atom == wm->atom.net_wm_name) {
+ fprintf(stderr, "wm_class changed\n");
+ } else {
+ fprintf(stderr, "unhandled property change: %d\n",
+ property_notify->atom);
+ }
+}
+
+static void
+wlsc_wm_handle_create_notify(struct wlsc_wm *wm, xcb_generic_event_t *event)
+{
+ xcb_create_notify_event_t *create_notify =
+ (xcb_create_notify_event_t *) event;
+ struct wlsc_wm_window *window;
+
+ fprintf(stderr, "XCB_CREATE_NOTIFY, win %d\n", create_notify->window);
+
+ window = malloc(sizeof *window);
+ if (window == NULL) {
+ fprintf(stderr, "failed to allocate window\n");
+ return;
+ }
+
+ window->id = create_notify->window;
+ wl_hash_table_insert(wm->window_hash, window->id, window);
+
+ fprintf(stderr, "created window %p\n", window);
+}
+
+static void
+wlsc_wm_handle_destroy_notify(struct wlsc_wm *wm, xcb_generic_event_t *event)
+{
+ xcb_destroy_notify_event_t *destroy_notify =
+ (xcb_destroy_notify_event_t *) event;
+ struct wlsc_wm_window *window;
+
+ fprintf(stderr, "XCB_DESTROY_NOTIFY, win %d\n",
+ destroy_notify->window);
+
+ window = wl_hash_table_lookup(wm->window_hash, destroy_notify->window);
+ if (window == NULL) {
+ fprintf(stderr, "destroy notify for unknow window %d\n",
+ destroy_notify->window);
+ return;
+ }
+
+ fprintf(stderr, "destroy window %p\n", window);
+ wl_hash_table_remove(wm->window_hash, window->id);
+ free(window);
+}
+
+static int
+wlsc_wm_handle_event(int fd, uint32_t mask, void *data)
+{
+ struct wlsc_wm *wm = data;
+ xcb_generic_event_t *event;
+ int count = 0;
+
+ while (event = xcb_poll_for_event(wm->conn), event != NULL) {
+ switch (event->response_type) {
+ case XCB_CREATE_NOTIFY:
+ wlsc_wm_handle_create_notify(wm, event);
+ break;
+ case XCB_MAP_REQUEST:
+ wlsc_wm_handle_map_request(wm, event);
+ break;
+ case XCB_MAP_NOTIFY:
+ wlsc_wm_handle_map_notify(wm, event);
+ break;
+ case XCB_UNMAP_NOTIFY:
+ fprintf(stderr, "XCB_UNMAP_NOTIFY\n");
+ break;
+ case XCB_CONFIGURE_REQUEST:
+ wlsc_wm_handle_configure_request(wm, event);
+ break;
+ case XCB_CONFIGURE_NOTIFY:
+ fprintf(stderr, "XCB_CONFIGURE_NOTIFY\n");
+ break;
+ case XCB_DESTROY_NOTIFY:
+ wlsc_wm_handle_destroy_notify(wm, event);
+ break;
+ case XCB_MAPPING_NOTIFY:
+ fprintf(stderr, "XCB_MAPPING_NOTIFY\n");
+ break;
+ case XCB_PROPERTY_NOTIFY:
+ wlsc_wm_handle_property_notify(wm, event);
+ break;
+ default:
+ fprintf(stderr, "Unhandled event %d\n",
+ event->response_type);
+ break;
+ }
+ free(event);
+ count++;
+ }
+
+ xcb_flush(wm->conn);
+
+ return count;
+}
+
+static void
+wxs_wm_get_resources(struct wlsc_wm *wm)
+{
+
+#define F(field) offsetof(struct wlsc_wm, field)
+
+ static const struct { const char *name; int offset; } atoms[] = {
+ { "WM_PROTOCOLS", F(atom.wm_protocols) },
+ { "WM_TAKE_FOCUS", F(atom.wm_take_focus) },
+ { "WM_DELETE_WINDOW", F(atom.wm_delete_window) },
+ { "_NET_WM_NAME", F(atom.net_wm_name) },
+ { "_NET_WM_ICON", F(atom.net_wm_icon) },
+ { "_NET_WM_STATE", F(atom.net_wm_state) },
+ { "_NET_WM_STATE_FULLSCREEN", F(atom.net_wm_state_fullscreen) },
+ { "UTF8_STRING", F(atom.utf8_string) },
+ };
+
+ xcb_intern_atom_cookie_t cookies[ARRAY_LENGTH(atoms)];
+ xcb_intern_atom_reply_t *reply;
+ int i;
+
+ for (i = 0; i < ARRAY_LENGTH(atoms); i++)
+ cookies[i] = xcb_intern_atom (wm->conn, 0,
+ strlen(atoms[i].name),
+ atoms[i].name);
+
+ for (i = 0; i < ARRAY_LENGTH(atoms); i++) {
+ reply = xcb_intern_atom_reply (wm->conn, cookies[i], NULL);
+ *(xcb_atom_t *) ((char *) wm + atoms[i].offset) = reply->atom;
+ free(reply);
+ }
+}
+
+static struct wlsc_wm *
+wlsc_wm_create(struct wlsc_xserver *wxs)
+{
+ struct wlsc_wm *wm;
+ struct wl_event_loop *loop;
+ xcb_screen_iterator_t s;
+ uint32_t values[1];
+ int sv[2];
+
+ wm = malloc(sizeof *wm);
+ if (wm == NULL)
+ return NULL;
+
+ wm->window_hash = wl_hash_table_create();
+ if (wm->window_hash == NULL) {
+ free(wm);
+ return NULL;
+ }
+
+ if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, sv) < 0) {
+ fprintf(stderr, "socketpair failed\n");
+ wl_hash_table_destroy(wm->window_hash);
+ free(wm);
+ return NULL;
+ }
+
+ wl_client_post_event(wxs->client,
+ &wxs->xserver.object,
+ XSERVER_CLIENT, sv[1]);
+ wl_client_flush(wxs->client);
+ close(sv[1]);
+
+ wm->conn = xcb_connect_to_fd(sv[0], NULL);
+ if (xcb_connection_has_error(wm->conn)) {
+ fprintf(stderr, "xcb_connect_to_fd failed\n");
+ close(sv[0]);
+ wl_hash_table_destroy(wm->window_hash);
+ free(wm);
+ return NULL;
+ }
+
+ s = xcb_setup_roots_iterator(xcb_get_setup(wm->conn));
+ wm->screen = s.data;
+
+ loop = wl_display_get_event_loop(wxs->wl_display);
+ wm->source =
+ wl_event_loop_add_fd(loop, sv[0],
+ WL_EVENT_READABLE,
+ wlsc_wm_handle_event, wm);
+ wl_event_source_check(wm->source);
+
+ wxs_wm_get_resources(wm);
+
+ values[0] =
+ XCB_EVENT_MASK_STRUCTURE_NOTIFY |
+ XCB_EVENT_MASK_RESIZE_REDIRECT |
+ XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY |
+ XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
+ XCB_EVENT_MASK_PROPERTY_CHANGE;
+ xcb_change_window_attributes(wm->conn, wm->screen->root,
+ XCB_CW_EVENT_MASK, values);
+
+ xcb_flush(wm->conn);
+ fprintf(stderr, "created wm\n");
+
+ return wm;
+}
+
+static void
+wlsc_xserver_bind(struct wl_client *client,
+ struct wl_object *global,
+ uint32_t version)
+{
+ struct wlsc_xserver *wxs =
+ container_of(global, struct wlsc_xserver, xserver.object);
+
+ wxs->wm = wlsc_wm_create(wxs);
+ if (wxs == NULL) {
+ fprintf(stderr, "failed to create wm\n");
+ }
+
+ wl_client_post_event(wxs->client,
+ &wxs->xserver.object,
+ XSERVER_LISTEN_SOCKET, wxs->fd);
+}
+
+static int
+wlsc_xserver_handle_event(int listen_fd, uint32_t mask, void *data)
+{
+ struct wlsc_xserver *mxs = data;
+ char display[8], s[8];
+ int sv[2], flags;
+
+ if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, sv) < 0) {
+ fprintf(stderr, "socketpair failed\n");
+ return 1;
+ }
+
+ mxs->process.pid = fork();
+ switch (mxs->process.pid) {
+ case 0:
+ /* SOCK_CLOEXEC closes both ends, so we need to unset
+ * the flag on the client fd. */
+ flags = fcntl(sv[1], F_GETFD);
+ if (flags != -1)
+ fcntl(sv[1], F_SETFD, flags & ~FD_CLOEXEC);
+
+ snprintf(s, sizeof s, "%d", sv[1]);
+ setenv("WAYLAND_SOCKET", s, 1);
+
+ snprintf(display, sizeof display, ":%d", mxs->display);
+
+ if (execl("/usr/bin/Xorg",
+ "/usr/bin/Xorg",
+ display,
+ "-wayland",
+ "-rootless",
+ "-retro",
+ "-logfile", "/tmp/foo",
+ "-nolisten", "all",
+ "-terminate",
+ NULL) < 0)
+ fprintf(stderr, "exec failed: %m\n");
+ exit(-1);
+
+ default:
+ fprintf(stderr, "forked X server, pid %d\n", mxs->process.pid);
+
+ close(sv[1]);
+ mxs->client = wl_client_create(mxs->wl_display, sv[0]);
+
+ wlsc_watch_process(&mxs->process);
+
+ wl_event_source_remove(mxs->source);
+ break;
+
+ case -1:
+ fprintf(stderr, "failed to fork\n");
+ break;
+ }
+
+ return 1;
+}
+
+static void
+wlsc_xserver_cleanup(struct wlsc_process *process, int status)
+{
+ struct wlsc_xserver *mxs =
+ container_of(process, struct wlsc_xserver, process);
+
+ fprintf(stderr, "xserver exited, code %d\n", status);
+ mxs->process.pid = 0;
+ mxs->source =
+ wl_event_loop_add_fd(mxs->loop, mxs->fd, WL_EVENT_READABLE,
+ wlsc_xserver_handle_event, mxs);
+}
+
+static void
+xserver_set_window_id(struct wl_client *client, struct xserver *xserver,
+ struct wl_surface *surface, uint32_t id)
+{
+ struct wlsc_xserver *wxs =
+ container_of(xserver, struct wlsc_xserver, xserver);
+ struct wlsc_wm *wm = wxs->wm;
+ struct wlsc_wm_window *window;
+
+ window = wl_hash_table_lookup(wm->window_hash, id);
+ if (window == NULL) {
+ fprintf(stderr, "set_window_id for unknown window %d\n", id);
+ return;
+ }
+
+ fprintf(stderr, "set_window_id %d for surface %p\n", id, surface);
+
+ window->surface = (struct wlsc_surface *) surface;
+ /* FIXME: Do we need a surface destroy listener? */
+}
+
+static const struct xserver_interface xserver_implementation = {
+ xserver_set_window_id
+};
+
+int
+wlsc_xserver_init(struct wl_display *display)
+{
+ struct wlsc_xserver *mxs;
+ char lockfile[256], pid[16];
+ socklen_t size, name_size;
+ int fd;
+
+ mxs = malloc(sizeof *mxs);
+ memset(mxs, 0, sizeof mxs);
+
+ mxs->process.cleanup = wlsc_xserver_cleanup;
+ mxs->wl_display = display;
+ mxs->addr.sun_family = AF_LOCAL;
+ mxs->fd = socket(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0);
+ if (mxs->fd < 0) {
+ free(mxs);
+ return -1;
+ }
+
+ mxs->display = 0;
+ do {
+ snprintf(lockfile, sizeof lockfile,
+ "/tmp/.X%d-lock", mxs->display);
+ fd = open(lockfile,
+ O_WRONLY | O_CLOEXEC | O_CREAT | O_EXCL, 0444);
+ if (fd < 0 && errno == EEXIST) {
+ fprintf(stderr, "server %d exists\n", mxs->display);
+ mxs->display++;
+ continue;
+ } else if (fd < 0) {
+ close(mxs->fd);
+ free(mxs);
+ return -1;
+ }
+
+ size = snprintf(pid, sizeof pid, "%10d\n", getpid());
+ write(fd, pid, size);
+ close(fd);
+
+ name_size = snprintf(mxs->addr.sun_path,
+ sizeof mxs->addr.sun_path,
+ "/tmp/.X11-unix/X%d", mxs->display) + 1;
+ size = offsetof(struct sockaddr_un, sun_path) + name_size;
+ if (bind(mxs->fd, (struct sockaddr *) &mxs->addr, size) < 0) {
+ fprintf(stderr, "failed to bind to %s (%m)\n",
+ mxs->addr.sun_path);
+ unlink(lockfile);
+ close(mxs->fd);
+ free(mxs);
+ return -1;
+ }
+ break;
+ } while (errno != 0);
+
+ fprintf(stderr, "listening on display %d\n", mxs->display);
+
+ if (listen(mxs->fd, 1) < 0) {
+ unlink(mxs->addr.sun_path);
+ unlink(lockfile);
+ close(mxs->fd);
+ free(mxs);
+ return -1;
+ }
+
+ mxs->loop = wl_display_get_event_loop(display);
+ mxs->source =
+ wl_event_loop_add_fd(mxs->loop, mxs->fd, WL_EVENT_READABLE,
+ wlsc_xserver_handle_event, mxs);
+
+ mxs->xserver.object.interface = &xserver_interface;
+ mxs->xserver.object.implementation =
+ (void (**)(void)) &xserver_implementation;
+ wl_display_add_object(display, &mxs->xserver.object);
+ wl_display_add_global(display,
+ &mxs->xserver.object, wlsc_xserver_bind);
+
+ return 0;
+}