char **start_argv;
xcb_connection_t *conn;
-xcb_event_handlers_t evenths;
-xcb_property_handlers_t prophs;
-xcb_atom_t atoms[NUM_ATOMS];
+xcb_screen_t *root_screen;
xcb_window_t root;
uint8_t root_depth;
+struct ev_loop *main_loop;
+
xcb_key_symbols_t *keysyms;
/* Those are our connections to X11 for use with libXcursor and XKB */
/* The list of exec-lines */
struct autostarts_head autostarts = TAILQ_HEAD_INITIALIZER(autostarts);
+/* The list of exec_always lines */
+struct autostarts_always_head autostarts_always = TAILQ_HEAD_INITIALIZER(autostarts_always);
+
/* The list of assignments */
struct assignments_head assignments = TAILQ_HEAD_INITIALIZER(assignments);
+/* The list of workspace assignments (which workspace should end up on which
+ * output) */
+struct ws_assignments_head ws_assignments = TAILQ_HEAD_INITIALIZER(ws_assignments);
+
/* We hope that those are supported and set them to true */
bool xcursor_supported = true;
bool xkb_supported = true;
xcb_generic_event_t *event;
while ((event = xcb_poll_for_event(conn)) != NULL) {
- xcb_event_handle(&evenths, event);
+ if (event->response_type == 0) {
+ if (event_is_ignored(event->sequence, 0))
+ DLOG("Expected X11 Error received for sequence %x\n", event->sequence);
+ else {
+ xcb_generic_error_t *error = (xcb_generic_error_t*)event;
+ ELOG("X11 Error received! sequence 0x%x, error_code = %d\n",
+ error->sequence, error->error_code);
+ }
free(event);
+ continue;
+ }
+
+ /* Strip off the highest bit (set if the event is generated) */
+ int type = (event->response_type & 0x7F);
+
+ handle_event(type, event);
+
+ free(event);
+ }
+}
+
+
+/*
+ * When using xmodmap to change the keyboard mapping, this event
+ * is only sent via XKB. Therefore, we need this special handler.
+ *
+ */
+static void xkb_got_event(EV_P_ struct ev_io *w, int revents) {
+ DLOG("Handling XKB event\n");
+ XkbEvent ev;
+
+ /* When using xmodmap, every change (!) gets an own event.
+ * Therefore, we just read all events and only handle the
+ * mapping_notify once. */
+ bool mapping_changed = false;
+ while (XPending(xkbdpy)) {
+ XNextEvent(xkbdpy, (XEvent*)&ev);
+ /* While we should never receive a non-XKB event,
+ * better do sanity checking */
+ if (ev.type != xkb_event_base)
+ continue;
+
+ if (ev.any.xkb_type == XkbMapNotify) {
+ mapping_changed = true;
+ continue;
+ }
+
+ if (ev.any.xkb_type != XkbStateNotify) {
+ ELOG("Unknown XKB event received (type %d)\n", ev.any.xkb_type);
+ continue;
+ }
+
+ /* See The XKB Extension: Library Specification, section 14.1 */
+ /* We check if the current group (each group contains
+ * two levels) has been changed. Mode_switch activates
+ * group XkbGroup2Index */
+ if (xkb_current_group == ev.state.group)
+ continue;
+
+ xkb_current_group = ev.state.group;
+
+ if (ev.state.group == XkbGroup2Index) {
+ DLOG("Mode_switch enabled\n");
+ grab_all_keys(conn, true);
+ }
+
+ if (ev.state.group == XkbGroup1Index) {
+ DLOG("Mode_switch disabled\n");
+ ungrab_all_keys(conn);
+ grab_all_keys(conn, false);
+ }
}
+
+ if (!mapping_changed)
+ return;
+
+ DLOG("Keyboard mapping changed, updating keybindings\n");
+ xcb_key_symbols_free(keysyms);
+ keysyms = xcb_key_symbols_alloc(conn);
+
+ xcb_get_numlock_mask(conn);
+
+ ungrab_all_keys(conn);
+ DLOG("Re-grabbing...\n");
+ translate_keysyms();
+ grab_all_keys(conn, (xkb_current_group == XkbGroup2Index));
+ DLOG("Done\n");
}
int main(int argc, char *argv[]) {
char *override_configpath = NULL;
bool autostart = true;
char *layout_path = NULL;
- bool delete_layout_path;
+ bool delete_layout_path = false;
bool only_check_config = false;
bool force_xinerama = false;
- xcb_intern_atom_cookie_t atom_cookies[NUM_ATOMS];
+ bool disable_signalhandler = false;
static struct option long_options[] = {
{"no-autostart", no_argument, 0, 'a'},
{"config", required_argument, 0, 'c'},
{"layout", required_argument, 0, 'L'},
{"restart", required_argument, 0, 0},
{"force-xinerama", no_argument, 0, 0},
+ {"disable-signalhandler", no_argument, 0, 0},
{0, 0, 0, 0}
};
int option_index = 0, opt;
if (!isatty(fileno(stdout)))
setbuf(stdout, NULL);
- config.ipc_socket_path = getenv("I3SOCK");
+ init_logging();
start_argv = argv;
only_check_config = true;
break;
case 'v':
- printf("i3 version " I3_VERSION " © 2009 Michael Stapelberg and contributors\n");
+ printf("i3 version " I3_VERSION " © 2009-2011 Michael Stapelberg and contributors\n");
exit(EXIT_SUCCESS);
case 'V':
set_verbosity(true);
"Please check if your driver really does not support RandR "
"and disable this option as soon as you can.\n");
break;
+ } else if (strcmp(long_options[option_index].name, "disable-signalhandler") == 0) {
+ disable_signalhandler = true;
+ break;
} else if (strcmp(long_options[option_index].name, "restart") == 0) {
FREE(layout_path);
layout_path = sstrdup(optarg);
if (xcb_connection_has_error(conn))
errx(EXIT_FAILURE, "Cannot open display\n");
+ /* Initialize the libev event loop. This needs to be done before loading
+ * the config file because the parser will install an ev_child watcher
+ * for the nagbar when config errors are found. */
+ main_loop = EV_DEFAULT;
+ if (main_loop == NULL)
+ die("Could not initialize libev. Bad LIBEV_FLAGS?\n");
+
+ root_screen = xcb_aux_get_screen(conn, screens);
+ root = root_screen->root;
+ root_depth = root_screen->root_depth;
+ xcb_get_geometry_cookie_t gcookie = xcb_get_geometry(conn, root);
+
load_configuration(conn, override_configpath, false);
if (only_check_config) {
LOG("Done checking configuration file. Exiting.\n");
exit(0);
}
- xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screens);
- root = root_screen->root;
- root_depth = root_screen->root_depth;
+ if (config.ipc_socket_path == NULL) {
+ /* Fall back to a file name in /tmp/ based on the PID */
+ if ((config.ipc_socket_path = getenv("I3SOCK")) == NULL)
+ config.ipc_socket_path = get_process_filename("ipc-socket");
+ else
+ config.ipc_socket_path = sstrdup(config.ipc_socket_path);
+ }
uint32_t mask = XCB_CW_EVENT_MASK;
uint32_t values[] = { XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
cookie = xcb_change_window_attributes_checked(conn, root, mask, values);
check_error(conn, cookie, "Another window manager seems to be running");
+ xcb_get_geometry_reply_t *greply = xcb_get_geometry_reply(conn, gcookie, NULL);
+ if (greply == NULL) {
+ ELOG("Could not get geometry of the root window, exiting\n");
+ return 1;
+ }
+ DLOG("root geometry reply: (%d, %d) %d x %d\n", greply->x, greply->y, greply->width, greply->height);
+
/* Place requests for the atoms we need as soon as possible */
- #define REQUEST_ATOM(name) atom_cookies[name] = xcb_intern_atom(conn, 0, strlen(#name), #name);
-
- REQUEST_ATOM(_NET_SUPPORTED);
- REQUEST_ATOM(_NET_WM_STATE_FULLSCREEN);
- REQUEST_ATOM(_NET_SUPPORTING_WM_CHECK);
- REQUEST_ATOM(_NET_WM_NAME);
- REQUEST_ATOM(_NET_WM_STATE);
- REQUEST_ATOM(_NET_WM_WINDOW_TYPE);
- REQUEST_ATOM(_NET_WM_DESKTOP);
- REQUEST_ATOM(_NET_WM_WINDOW_TYPE_DOCK);
- REQUEST_ATOM(_NET_WM_WINDOW_TYPE_DIALOG);
- REQUEST_ATOM(_NET_WM_WINDOW_TYPE_UTILITY);
- REQUEST_ATOM(_NET_WM_WINDOW_TYPE_TOOLBAR);
- REQUEST_ATOM(_NET_WM_WINDOW_TYPE_SPLASH);
- REQUEST_ATOM(_NET_WM_STRUT_PARTIAL);
- REQUEST_ATOM(WM_PROTOCOLS);
- REQUEST_ATOM(WM_DELETE_WINDOW);
- REQUEST_ATOM(UTF8_STRING);
- REQUEST_ATOM(WM_STATE);
- REQUEST_ATOM(WM_CLIENT_LEADER);
- REQUEST_ATOM(_NET_CURRENT_DESKTOP);
- REQUEST_ATOM(_NET_ACTIVE_WINDOW);
- REQUEST_ATOM(_NET_WORKAREA);
+ #define xmacro(atom) \
+ xcb_intern_atom_cookie_t atom ## _cookie = xcb_intern_atom(conn, 0, strlen(#atom), #atom);
+ #include "atoms.xmacro"
+ #undef xmacro
/* Initialize the Xlib connection */
xlibdpy = xkbdpy = XOpenDisplay(NULL);
/*init_xkb();*/
}
- memset(&evenths, 0, sizeof(xcb_event_handlers_t));
- memset(&prophs, 0, sizeof(xcb_property_handlers_t));
-
- xcb_event_handlers_init(conn, &evenths);
- xcb_property_handlers_init(&prophs, &evenths);
- xcb_event_set_key_press_handler(&evenths, handle_key_press, NULL);
-
- xcb_event_set_button_press_handler(&evenths, handle_button_press, NULL);
-
- xcb_event_set_map_request_handler(&evenths, handle_map_request, NULL);
-
- xcb_event_set_unmap_notify_handler(&evenths, handle_unmap_notify_event, NULL);
- xcb_event_set_destroy_notify_handler(&evenths, handle_destroy_notify_event, NULL);
-
- xcb_event_set_expose_handler(&evenths, handle_expose_event, NULL);
+ /* Set a cursor for the root window (otherwise the root window will show no
+ cursor until the first client is launched). */
+ if (xcursor_supported) {
+ xcursor_set_root_cursor();
+ } else {
+ xcb_cursor_t cursor_id = xcb_generate_id(conn);
+ i3Font cursor_font = load_font("cursor", false);
+ int xcb_cursor = xcursor_get_xcb_cursor(XCURSOR_CURSOR_POINTER);
+ xcb_create_glyph_cursor(conn, cursor_id, cursor_font.id, cursor_font.id,
+ xcb_cursor, xcb_cursor + 1, 0, 0, 0, 65535, 65535, 65535);
+ xcb_change_window_attributes(conn, root, XCB_CW_CURSOR, &cursor_id);
+ xcb_free_cursor(conn, cursor_id);
+ }
- xcb_event_set_motion_notify_handler(&evenths, handle_motion_notify, NULL);
+ if (xkb_supported) {
+ int errBase,
+ major = XkbMajorVersion,
+ minor = XkbMinorVersion;
- /* Enter window = user moved his mouse over the window */
- xcb_event_set_enter_notify_handler(&evenths, handle_enter_notify, NULL);
+ if (fcntl(ConnectionNumber(xkbdpy), F_SETFD, FD_CLOEXEC) == -1) {
+ fprintf(stderr, "Could not set FD_CLOEXEC on xkbdpy\n");
+ return 1;
+ }
- /* Client message are sent to the root window. The only interesting client message
- for us is _NET_WM_STATE, we honour _NET_WM_STATE_FULLSCREEN */
- xcb_event_set_client_message_handler(&evenths, handle_client_message, NULL);
+ int i1;
+ if (!XkbQueryExtension(xkbdpy,&i1,&xkb_event_base,&errBase,&major,&minor)) {
+ fprintf(stderr, "XKB not supported by X-server\n");
+ return 1;
+ }
+ /* end of ugliness */
- /* Configure request = window tried to change size on its own */
- xcb_event_set_configure_request_handler(&evenths, handle_configure_request, NULL);
+ if (!XkbSelectEvents(xkbdpy, XkbUseCoreKbd,
+ XkbMapNotifyMask | XkbStateNotifyMask,
+ XkbMapNotifyMask | XkbStateNotifyMask)) {
+ fprintf(stderr, "Could not set XKB event mask\n");
+ return 1;
+ }
+ }
/* Setup NetWM atoms */
- #define GET_ATOM(name) \
+ #define xmacro(name) \
do { \
- xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(conn, atom_cookies[name], NULL); \
+ xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(conn, name ## _cookie, NULL); \
if (!reply) { \
ELOG("Could not get atom " #name "\n"); \
exit(-1); \
} \
- atoms[name] = reply->atom; \
+ A_ ## name = reply->atom; \
free(reply); \
- } while (0)
-
- GET_ATOM(_NET_SUPPORTED);
- GET_ATOM(_NET_WM_STATE_FULLSCREEN);
- GET_ATOM(_NET_SUPPORTING_WM_CHECK);
- GET_ATOM(_NET_WM_NAME);
- GET_ATOM(_NET_WM_STATE);
- GET_ATOM(_NET_WM_WINDOW_TYPE);
- GET_ATOM(_NET_WM_DESKTOP);
- GET_ATOM(_NET_WM_WINDOW_TYPE_DOCK);
- GET_ATOM(_NET_WM_WINDOW_TYPE_DIALOG);
- GET_ATOM(_NET_WM_WINDOW_TYPE_UTILITY);
- GET_ATOM(_NET_WM_WINDOW_TYPE_TOOLBAR);
- GET_ATOM(_NET_WM_WINDOW_TYPE_SPLASH);
- GET_ATOM(_NET_WM_STRUT_PARTIAL);
- GET_ATOM(WM_PROTOCOLS);
- GET_ATOM(WM_DELETE_WINDOW);
- GET_ATOM(UTF8_STRING);
- GET_ATOM(WM_STATE);
- GET_ATOM(WM_CLIENT_LEADER);
- GET_ATOM(_NET_CURRENT_DESKTOP);
- GET_ATOM(_NET_ACTIVE_WINDOW);
- GET_ATOM(_NET_WORKAREA);
-
- /* Watch _NET_WM_NAME (title of the window encoded in UTF-8) */
- xcb_property_set_handler(&prophs, atoms[_NET_WM_NAME], 128, handle_windowname_change, NULL);
-
- /* Watch WM_HINTS (contains the urgent property) */
- xcb_property_set_handler(&prophs, WM_HINTS, UINT_MAX, handle_hints, NULL);
-
- /* Watch WM_NAME (title of the window encoded in COMPOUND_TEXT) */
- xcb_watch_wm_name(&prophs, 128, handle_windowname_change_legacy, NULL);
-
- /* Watch WM_NORMAL_HINTS (aspect ratio, size increments, …) */
- xcb_property_set_handler(&prophs, WM_NORMAL_HINTS, UINT_MAX, handle_normal_hints, NULL);
-
- /* Watch WM_CLIENT_LEADER (= logical parent window for toolbars etc.) */
- xcb_property_set_handler(&prophs, atoms[WM_CLIENT_LEADER], UINT_MAX, handle_clientleader_change, NULL);
-
- /* Watch WM_TRANSIENT_FOR property (to which client this popup window belongs) */
- xcb_property_set_handler(&prophs, WM_TRANSIENT_FOR, UINT_MAX, handle_transient_for, NULL);
+ } while (0);
+ #include "atoms.xmacro"
+ #undef xmacro
+
+ property_handlers_init();
/* Set up the atoms we support */
- xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, atoms[_NET_SUPPORTED], ATOM, 32, 7, atoms);
+ xcb_atom_t supported_atoms[] = {
+#define xmacro(atom) A_ ## atom,
+#include "atoms.xmacro"
+#undef xmacro
+ };
+ xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A__NET_SUPPORTED, A_ATOM, 32, 16, supported_atoms);
/* Set up the window manager’s name */
- xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, atoms[_NET_SUPPORTING_WM_CHECK], WINDOW, 32, 1, &root);
- xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, atoms[_NET_WM_NAME], atoms[UTF8_STRING], 8, strlen("i3"), "i3");
+ xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A__NET_SUPPORTING_WM_CHECK, A_WINDOW, 32, 1, &root);
+ xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A__NET_WM_NAME, A_UTF8_STRING, 8, strlen("i3"), "i3");
keysyms = xcb_key_symbols_alloc(conn);
bool needs_tree_init = true;
if (layout_path) {
LOG("Trying to restore the layout from %s...", layout_path);
- needs_tree_init = !tree_restore(layout_path);
+ needs_tree_init = !tree_restore(layout_path, greply);
if (delete_layout_path)
unlink(layout_path);
free(layout_path);
}
if (needs_tree_init)
- tree_init();
+ tree_init(greply);
+
+ free(greply);
- int randr_base;
if (force_xinerama) {
xinerama_init();
} else {
DLOG("Checking for XRandR...\n");
randr_init(&randr_base);
-
- xcb_event_set_handler(&evenths,
- randr_base + XCB_RANDR_SCREEN_CHANGE_NOTIFY,
- handle_screen_change,
- NULL);
}
tree_render();
- struct ev_loop *loop = ev_loop_new(0);
- if (loop == NULL)
- die("Could not initialize libev. Bad LIBEV_FLAGS?\n");
-
/* Create the UNIX domain socket for IPC */
- if (config.ipc_socket_path != NULL) {
- int ipc_socket = ipc_create_socket(config.ipc_socket_path);
- if (ipc_socket == -1) {
- ELOG("Could not create the IPC socket, IPC disabled\n");
- } else {
- struct ev_io *ipc_io = scalloc(sizeof(struct ev_io));
- ev_io_init(ipc_io, ipc_new_client, ipc_socket, EV_READ);
- ev_io_start(loop, ipc_io);
- }
+ int ipc_socket = ipc_create_socket(config.ipc_socket_path);
+ if (ipc_socket == -1) {
+ ELOG("Could not create the IPC socket, IPC disabled\n");
+ } else {
+ free(config.ipc_socket_path);
+ struct ev_io *ipc_io = scalloc(sizeof(struct ev_io));
+ ev_io_init(ipc_io, ipc_new_client, ipc_socket, EV_READ);
+ ev_io_start(main_loop, ipc_io);
}
+ /* Set up i3 specific atoms like I3_SOCKET_PATH and I3_CONFIG_PATH */
+ x_set_i3_atoms();
+
struct ev_io *xcb_watcher = scalloc(sizeof(struct ev_io));
+ struct ev_io *xkb = scalloc(sizeof(struct ev_io));
struct ev_check *xcb_check = scalloc(sizeof(struct ev_check));
struct ev_prepare *xcb_prepare = scalloc(sizeof(struct ev_prepare));
ev_io_init(xcb_watcher, xcb_got_event, xcb_get_file_descriptor(conn), EV_READ);
- ev_io_start(loop, xcb_watcher);
+ ev_io_start(main_loop, xcb_watcher);
+
+
+ if (xkb_supported) {
+ ev_io_init(xkb, xkb_got_event, ConnectionNumber(xkbdpy), EV_READ);
+ ev_io_start(main_loop, xkb);
+
+ /* Flush the buffer so that libev can properly get new events */
+ XFlush(xkbdpy);
+ }
ev_check_init(xcb_check, xcb_check_cb);
- ev_check_start(loop, xcb_check);
+ ev_check_start(main_loop, xcb_check);
ev_prepare_init(xcb_prepare, xcb_prepare_cb);
- ev_prepare_start(loop, xcb_prepare);
+ ev_prepare_start(main_loop, xcb_prepare);
xcb_flush(conn);
manage_existing_windows(root);
- setup_signal_handler();
+ if (!disable_signalhandler)
+ setup_signal_handler();
/* Ignore SIGPIPE to survive errors when an IPC client disconnects
* while we are sending him a message */
}
}
- ev_loop(loop, 0);
+ /* Autostarting exec_always-lines */
+ struct Autostart *exec_always;
+ TAILQ_FOREACH(exec_always, &autostarts_always, autostarts_always) {
+ LOG("auto-starting (always!) %s\n", exec_always->command);
+ start_application(exec_always->command);
+ }
+
+ ev_loop(main_loop, 0);
}
projects / i3 / i3 / blobdiff