*
* i3 - an improved dynamic tiling window manager
*
- * © 2009 Michael Stapelberg and contributors
+ * © 2009-2010 Michael Stapelberg and contributors
*
* See file LICENSE for license information.
*
*/
#include <stdio.h>
-#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <xcb/xcb_property.h>
#include <xcb/xcb_keysyms.h>
#include <xcb/xcb_icccm.h>
-#include <xcb/xinerama.h>
#include <ev.h>
#include "data.h"
#include "debug.h"
#include "handlers.h"
+#include "click.h"
#include "i3.h"
#include "layout.h"
#include "queue.h"
#include "table.h"
#include "util.h"
#include "xcb.h"
+#include "randr.h"
#include "xinerama.h"
#include "manage.h"
#include "ipc.h"
+#include "log.h"
+#include "sighandler.h"
+
+static int xkb_event_base;
+
+int xkb_current_group;
xcb_connection_t *global_conn;
xcb_key_symbols_t *keysyms;
/* The list of key bindings */
-struct bindings_head bindings = TAILQ_HEAD_INITIALIZER(bindings);
+struct bindings_head *bindings;
/* The list of exec-lines */
struct autostarts_head autostarts = TAILQ_HEAD_INITIALIZER(autostarts);
/* The depth of the root screen (used e.g. for creating new pixmaps later) */
uint8_t root_depth;
+/* We hope that XKB is supported and set this to false */
+bool xkb_supported = true;
+
/*
* This callback is only a dummy, see xcb_prepare_cb and xcb_check_cb.
* See also man libev(3): "ev_prepare" and "ev_check" - customise your event loop
*
*/
static void xkb_got_event(EV_P_ struct ev_io *w, int revents) {
- LOG("got xkb event, yay\n");
- XEvent ev;
+ 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 (we do not receive any other XKB
- * events anyway). */
- while (XPending(xkbdpy))
- XNextEvent(xkbdpy, &ev);
+ * 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(global_conn, true);
+ }
+
+ if (ev.state.group == XkbGroup1Index) {
+ DLOG("Mode_switch disabled\n");
+ ungrab_all_keys(global_conn);
+ grab_all_keys(global_conn, false);
+ }
+ }
+
+ if (!mapping_changed)
+ return;
+ DLOG("Keyboard mapping changed, updating keybindings\n");
xcb_key_symbols_free(keysyms);
keysyms = xcb_key_symbols_alloc(global_conn);
xcb_get_numlock_mask(global_conn);
ungrab_all_keys(global_conn);
- LOG("Re-grabbing...\n");
- grab_all_keys(global_conn);
- LOG("Done\n");
-
+ DLOG("Re-grabbing...\n");
+ translate_keysyms();
+ grab_all_keys(global_conn, (xkb_current_group == XkbGroup2Index));
+ DLOG("Done\n");
}
int i, screens, opt;
char *override_configpath = NULL;
bool autostart = true;
+ bool only_check_config = false;
+ bool force_xinerama = false;
xcb_connection_t *conn;
xcb_property_handlers_t prophs;
xcb_intern_atom_cookie_t atom_cookies[NUM_ATOMS];
{"config", required_argument, 0, 'c'},
{"version", no_argument, 0, 'v'},
{"help", no_argument, 0, 'h'},
+ {"force-xinerama", no_argument, 0, 0},
{0, 0, 0, 0}
};
int option_index = 0;
start_argv = argv;
- while ((opt = getopt_long(argc, argv, "c:vahl", long_options, &option_index)) != -1) {
+ while ((opt = getopt_long(argc, argv, "c:Cvahld:V", long_options, &option_index)) != -1) {
switch (opt) {
case 'a':
LOG("Autostart disabled using -a\n");
case 'c':
override_configpath = sstrdup(optarg);
break;
+ case 'C':
+ LOG("Checking configuration file only (-C)\n");
+ only_check_config = true;
+ break;
case 'v':
- printf("i3 version " I3_VERSION " © 2009 Michael Stapelberg and contributors\n");
+ printf("i3 version " I3_VERSION " © 2009-2010 Michael Stapelberg and contributors\n");
exit(EXIT_SUCCESS);
+ case 'V':
+ set_verbosity(true);
+ break;
+ case 'd':
+ LOG("Enabling debug loglevel %s\n", optarg);
+ add_loglevel(optarg);
+ break;
case 'l':
- config_use_lexer = true;
+ /* DEPRECATED, ignored for the next 3 versions (3.e, 3.f, 3.g) */
break;
+ case 0:
+ if (strcmp(long_options[option_index].name, "force-xinerama") == 0) {
+ force_xinerama = true;
+ ELOG("Using Xinerama instead of RandR. This option should be "
+ "avoided at all cost because it does not refresh the list "
+ "of screens, so you cannot configure displays at runtime. "
+ "Please check if your driver really does not support RandR "
+ "and disable this option as soon as you can.\n");
+ break;
+ }
+ /* fall-through */
default:
- fprintf(stderr, "Usage: %s [-c configfile] [-a] [-v]\n", argv[0]);
+ fprintf(stderr, "Usage: %s [-c configfile] [-d loglevel] [-a] [-v] [-V] [-C]\n", argv[0]);
fprintf(stderr, "\n");
fprintf(stderr, "-a: disable autostart\n");
fprintf(stderr, "-v: display version and exit\n");
+ fprintf(stderr, "-V: enable verbose mode\n");
+ fprintf(stderr, "-d <loglevel>: enable debug loglevel <loglevel>\n");
fprintf(stderr, "-c <configfile>: use the provided configfile instead\n");
+ fprintf(stderr, "-C: check configuration file and exit\n");
+ fprintf(stderr, "--force-xinerama: Use Xinerama instead of RandR. This "
+ "option should only be used if you are stuck with the "
+ "nvidia closed source driver which does not support RandR.\n");
exit(EXIT_FAILURE);
}
}
if (xcb_connection_has_error(conn))
die("Cannot open display\n");
+ /* Get the root window */
+ xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screens);
+ root = root_screen->root;
+ root_depth = root_screen->root_depth;
+
load_configuration(conn, override_configpath, false);
+ if (only_check_config) {
+ LOG("Done checking configuration file. Exiting.\n");
+ exit(0);
+ }
+
+ /* Create the initial container on the first workspace. This used to
+ * be part of init_table, but since it possibly requires an X
+ * connection and a loaded configuration (default mode for new
+ * containers may be stacking, which requires a new window to be
+ * created), it had to be delayed. */
+ expand_table_cols(TAILQ_FIRST(workspaces));
+ expand_table_rows(TAILQ_FIRST(workspaces));
/* 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(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);
/* TODO: this has to be more beautiful somewhen */
int major, minor, error;
major = XkbMajorVersion;
minor = XkbMinorVersion;
- int evBase, errBase;
+ int errBase;
- if ((xkbdpy = XkbOpenDisplay(getenv("DISPLAY"), &evBase, &errBase, &major, &minor, &error)) == NULL) {
- fprintf(stderr, "XkbOpenDisplay() failed\n");
- return 1;
+ if ((xkbdpy = XkbOpenDisplay(getenv("DISPLAY"), &xkb_event_base, &errBase, &major, &minor, &error)) == NULL) {
+ ELOG("ERROR: XkbOpenDisplay() failed, disabling XKB support\n");
+ xkb_supported = false;
}
- if (fcntl(ConnectionNumber(xkbdpy), F_SETFD, FD_CLOEXEC) == -1) {
- fprintf(stderr, "Could not set FD_CLOEXEC on xkbdpy\n");
- return 1;
- }
+ if (xkb_supported) {
+ if (fcntl(ConnectionNumber(xkbdpy), F_SETFD, FD_CLOEXEC) == -1) {
+ fprintf(stderr, "Could not set FD_CLOEXEC on xkbdpy\n");
+ return 1;
+ }
- int i1;
- if (!XkbQueryExtension(xkbdpy,&i1,&evBase,&errBase,&major,&minor)) {
- fprintf(stderr, "XKB not supported by X-server\n");
- return 1;
- }
- /* end of ugliness */
+ 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 */
- if (!XkbSelectEvents(xkbdpy, XkbUseCoreKbd, XkbMapNotifyMask, XkbMapNotifyMask)) {
- fprintf(stderr, "Could not set XKB event mask\n");
- return 1;
+ if (!XkbSelectEvents(xkbdpy, XkbUseCoreKbd,
+ XkbMapNotifyMask | XkbStateNotifyMask,
+ XkbMapNotifyMask | XkbStateNotifyMask)) {
+ fprintf(stderr, "Could not set XKB event mask\n");
+ return 1;
+ }
}
/* Initialize event loop using libev */
- struct ev_loop *loop = ev_default_loop(0);
+ struct ev_loop *loop = ev_loop_new(0);
if (loop == NULL)
die("Could not initialize libev. Bad LIBEV_FLAGS?\n");
ev_io_init(xcb_watcher, xcb_got_event, xcb_get_file_descriptor(conn), EV_READ);
ev_io_start(loop, xcb_watcher);
- ev_io_init(xkb, xkb_got_event, ConnectionNumber(xkbdpy), EV_READ);
- ev_io_start(loop, xkb);
+ if (xkb_supported) {
+ ev_io_init(xkb, xkb_got_event, ConnectionNumber(xkbdpy), EV_READ);
+ ev_io_start(loop, xkb);
- /* Flush the buffer so that libev can properly get new events */
- XFlush(xkbdpy);
+ /* 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);
/* Expose = an Application should redraw itself, in this case it’s our titlebars. */
xcb_event_set_expose_handler(&evenths, handle_expose_event, NULL);
- /* Key presses/releases are pretty obvious, I think */
+ /* Key presses are pretty obvious, I think */
xcb_event_set_key_press_handler(&evenths, handle_key_press, NULL);
- xcb_event_set_key_release_handler(&evenths, handle_key_release, NULL);
/* Enter window = user moved his mouse over the window */
xcb_event_set_enter_notify_handler(&evenths, handle_enter_notify, NULL);
it any longer. Usually, the client destroys the window shortly afterwards. */
xcb_event_set_unmap_notify_handler(&evenths, handle_unmap_notify_event, NULL);
+ /* Destroy notify is handled the same as unmap notify */
+ xcb_event_set_destroy_notify_handler(&evenths, handle_destroy_notify_event, NULL);
+
/* Configure notify = window’s configuration (geometry, stacking, …). We only need
it to set up ignore the following enter_notify events */
xcb_event_set_configure_notify_handler(&evenths, handle_configure_event, NULL);
/* Watch size hints (to obey correct aspect ratio) */
xcb_property_set_handler(&prophs, WM_NORMAL_HINTS, UINT_MAX, handle_normal_hints, NULL);
- /* Get the root window and set the event mask */
- xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screens);
- root = root_screen->root;
- root_depth = root_screen->root_depth;
-
+ /* set event mask */
uint32_t mask = XCB_CW_EVENT_MASK;
uint32_t values[] = { XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
XCB_EVENT_MASK_STRUCTURE_NOTIFY | /* when the user adds a screen (e.g. video
XCB_EVENT_MASK_POINTER_MOTION |
XCB_EVENT_MASK_PROPERTY_CHANGE |
XCB_EVENT_MASK_ENTER_WINDOW };
- xcb_change_window_attributes(conn, root, mask, values);
+ xcb_void_cookie_t cookie;
+ cookie = xcb_change_window_attributes_checked(conn, root, mask, values);
+ check_error(conn, cookie, "Another window manager seems to be running");
/* Setup NetWM atoms */
#define GET_ATOM(name) { \
xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(conn, atom_cookies[name], NULL); \
if (!reply) { \
- LOG("Could not get atom " #name "\n"); \
+ ELOG("Could not get atom " #name "\n"); \
exit(-1); \
} \
atoms[name] = reply->atom; \
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);
xcb_property_set_handler(&prophs, atoms[_NET_WM_WINDOW_TYPE], UINT_MAX, handle_window_type, NULL);
/* TODO: In order to comply with EWMH, we have to watch _NET_WM_STRUT_PARTIAL */
/* Set up the atoms we support */
check_error(conn, xcb_change_property_checked(conn, XCB_PROP_MODE_REPLACE, root, atoms[_NET_SUPPORTED],
- ATOM, 32, 7, atoms), "Could not set _NET_SUPPORTED");
+ ATOM, 32, 16, atoms), "Could not set _NET_SUPPORTED");
/* 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_get_numlock_mask(conn);
- grab_all_keys(conn);
-
- /* Autostarting exec-lines */
- struct Autostart *exec;
- if (autostart) {
- TAILQ_FOREACH(exec, &autostarts, autostarts) {
- LOG("auto-starting %s\n", exec->command);
- start_application(exec->command);
- }
+ translate_keysyms();
+ grab_all_keys(conn, false);
+
+ int randr_base = -1;
+ if (force_xinerama) {
+ initialize_xinerama(conn);
+ } else {
+ DLOG("Checking for XRandR...\n");
+ initialize_randr(conn, &randr_base);
+
+ if (randr_base != -1)
+ xcb_event_set_handler(&evenths,
+ randr_base + XCB_RANDR_SCREEN_CHANGE_NOTIFY,
+ handle_screen_change,
+ NULL);
}
- /* check for Xinerama */
- LOG("Checking for Xinerama...\n");
- initialize_xinerama(conn);
-
xcb_flush(conn);
/* Get pointer position to see on which screen we’re starting */
xcb_query_pointer_reply_t *reply;
if ((reply = xcb_query_pointer_reply(conn, xcb_query_pointer(conn, root), NULL)) == NULL) {
- LOG("Could not get pointer position\n");
+ ELOG("Could not get pointer position\n");
return 1;
}
- i3Screen *screen = get_screen_containing(reply->root_x, reply->root_y);
+ Output *screen = get_output_containing(reply->root_x, reply->root_y);
if (screen == NULL) {
- LOG("ERROR: No screen at %d x %d, starting on the first screen\n",
+ ELOG("ERROR: No screen at %d x %d, starting on the first screen\n",
reply->root_x, reply->root_y);
- screen = TAILQ_FIRST(virtual_screens);
+ screen = get_first_output();
}
- LOG("Starting on %d\n", screen->current_workspace);
- c_ws = &workspaces[screen->current_workspace];
+ DLOG("Starting on %p\n", screen->current_workspace);
+ c_ws = screen->current_workspace;
manage_existing_windows(conn, &prophs, root);
if (config.ipc_socket_path != NULL) {
int ipc_socket = ipc_create_socket(config.ipc_socket_path);
if (ipc_socket == -1) {
- LOG("Could not create the IPC socket, IPC disabled\n");
+ 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);
/* Handle the events which arrived until now */
xcb_check_cb(NULL, NULL, 0);
+ setup_signal_handler();
+
+ /* Ignore SIGPIPE to survive errors when an IPC client disconnects
+ * while we are sending him a message */
+ signal(SIGPIPE, SIG_IGN);
+
/* Ungrab the server to receive events and enter libev’s eventloop */
xcb_ungrab_server(conn);
+
+ /* Autostarting exec-lines */
+ struct Autostart *exec;
+ if (autostart) {
+ TAILQ_FOREACH(exec, &autostarts, autostarts) {
+ LOG("auto-starting %s\n", exec->command);
+ start_application(exec->command);
+ }
+ }
+
ev_loop(loop, 0);
/* not reached */
projects / i3 / i3 / blobdiff