void keyboard::update_mapping( void )
{
auto cookie = xcb_get_modifier_mapping_unchecked( _connection );
if ( _keysyms )
xcb_key_symbols_free( _keysyms );
_keysyms = xcb_key_symbols_alloc( _connection );
auto numlockcodes = core::wrap_cptr( xcb_key_symbols_get_keycode( _keysyms, XK_Num_Lock ) );
auto shiftlockcodes = core::wrap_cptr( xcb_key_symbols_get_keycode( _keysyms, XK_Shift_Lock ) );
auto capslockcodes = core::wrap_cptr( xcb_key_symbols_get_keycode( _keysyms, XK_Caps_Lock ) );
auto modeswitchcodes = core::wrap_cptr( xcb_key_symbols_get_keycode( _keysyms, XK_Mode_switch ) );
auto modmap_r = core::wrap_cptr( xcb_get_modifier_mapping_reply( _connection, cookie, nullptr ) );
xcb_keycode_t *modmap = xcb_get_modifier_mapping_keycodes( modmap_r.get() );
_numlock = 0;
_shiftlock = 0;
_capslock = 0;
_modeswitch = 0;
for( int i = 0; i < 8; i++ )
{
for( int j = 0; j < modmap_r->keycodes_per_modifier; j++ )
{
xcb_keycode_t kc = modmap[i * modmap_r->keycodes_per_modifier + j];
look_for( _numlock, numlockcodes, kc, i );
look_for( _shiftlock, shiftlockcodes, kc, i );
look_for( _capslock, capslockcodes, kc, i );
look_for( _modeswitch, modeswitchcodes, kc, i );
}
}
}
/*
* Finds out which modifier mask is the one for numlock, as the user may change this.
*
*/
void xcb_get_numlock_mask(xcb_connection_t *conn) {
xcb_key_symbols_t *keysyms;
xcb_get_modifier_mapping_cookie_t cookie;
xcb_get_modifier_mapping_reply_t *reply;
xcb_keycode_t *modmap;
int mask, i;
const int masks[8] = { XCB_MOD_MASK_SHIFT,
XCB_MOD_MASK_LOCK,
XCB_MOD_MASK_CONTROL,
XCB_MOD_MASK_1,
XCB_MOD_MASK_2,
XCB_MOD_MASK_3,
XCB_MOD_MASK_4,
XCB_MOD_MASK_5 };
/* Request the modifier map */
cookie = xcb_get_modifier_mapping_unchecked(conn);
/* Get the keysymbols */
keysyms = xcb_key_symbols_alloc(conn);
if ((reply = xcb_get_modifier_mapping_reply(conn, cookie, NULL)) == NULL) {
xcb_key_symbols_free(keysyms);
return;
}
modmap = xcb_get_modifier_mapping_keycodes(reply);
/* Get the keycode for numlock */
#ifdef OLD_XCB_KEYSYMS_API
xcb_keycode_t numlock = xcb_key_symbols_get_keycode(keysyms, XCB_NUM_LOCK);
#else
/* For now, we only use the first keysymbol. */
xcb_keycode_t *numlock_syms = xcb_key_symbols_get_keycode(keysyms, XCB_NUM_LOCK);
if (numlock_syms == NULL)
return;
xcb_keycode_t numlock = *numlock_syms;
free(numlock_syms);
#endif
/* Check all modifiers (Mod1-Mod5, Shift, Control, Lock) */
for (mask = 0; mask < 8; mask++)
for (i = 0; i < reply->keycodes_per_modifier; i++)
if (modmap[(mask * reply->keycodes_per_modifier) + i] == numlock)
xcb_numlock_mask = masks[mask];
xcb_key_symbols_free(keysyms);
free(reply);
}
static
void update_keys_mask() {
xcb_keycode_t key_num, key_shift, key_caps, key_mode, key;
xcb_get_modifier_mapping_reply_t *reply;
xcb_keycode_t *codes;
unsigned int i, j;
nil_.mask_numlock = 0;
nil_.mask_shiftlock = 0;
nil_.mask_capslock = 0;
nil_.mask_modeswitch = 0;
key_num = get_keycode(XK_Num_Lock);
key_shift = get_keycode(XK_Shift_Lock);
key_caps = get_keycode(XK_Caps_Lock);
key_mode = get_keycode(XK_Mode_switch);
reply = xcb_get_modifier_mapping_reply(nil_.con,
xcb_get_modifier_mapping_unchecked(nil_.con), 0);
codes = xcb_get_modifier_mapping_keycodes(reply);
/* The number of keycodes in the list is 8 * keycodes_per_modifier */
for (i = 0; i < 8; ++i) {
for (j = 0; j < reply->keycodes_per_modifier; ++j) {
key = codes[i * reply->keycodes_per_modifier + j];
if (!key) {
continue;
}
if (key == key_num) {
nil_.mask_numlock = (uint16_t)(1 << i);
} else if (key == key_shift) {
nil_.mask_shiftlock = (uint16_t)(1 << i);
} else if (key == key_caps) {
nil_.mask_capslock = (uint16_t)(1 << i);
} else if (key == key_mode) {
nil_.mask_modeswitch = (uint16_t)(1 << i);
}
}
}
NIL_LOG("mask num=0x%x shift=0x%x caps=0x%x mode=0x%x", nil_.mask_numlock,
nil_.mask_shiftlock, nil_.mask_capslock, nil_.mask_modeswitch);
free(reply);
}
/** Hello, this is main.
* \param argc Who knows.
* \param argv Who knows.
* \return EXIT_SUCCESS I hope.
*/
int
main(int argc, char **argv)
{
char *confpath = NULL;
int xfd, i, screen_nbr, opt, colors_nbr;
xcolor_init_request_t colors_reqs[2];
ssize_t cmdlen = 1;
xdgHandle xdg;
xcb_generic_event_t *event;
static struct option long_options[] =
{
{ "help", 0, NULL, 'h' },
{ "version", 0, NULL, 'v' },
{ "config", 1, NULL, 'c' },
{ "check", 0, NULL, 'k' },
{ NULL, 0, NULL, 0 }
};
/* event loop watchers */
ev_io xio = { .fd = -1 };
ev_check xcheck;
ev_prepare a_refresh;
ev_signal sigint;
ev_signal sigterm;
ev_signal sighup;
/* clear the globalconf structure */
p_clear(&globalconf, 1);
globalconf.keygrabber = LUA_REFNIL;
globalconf.mousegrabber = LUA_REFNIL;
buffer_init(&globalconf.startup_errors);
/* save argv */
for(i = 0; i < argc; i++)
cmdlen += a_strlen(argv[i]) + 1;
globalconf.argv = p_new(char, cmdlen);
a_strcpy(globalconf.argv, cmdlen, argv[0]);
for(i = 1; i < argc; i++)
{
a_strcat(globalconf.argv, cmdlen, " ");
a_strcat(globalconf.argv, cmdlen, argv[i]);
}
/* Text won't be printed correctly otherwise */
setlocale(LC_CTYPE, "");
/* Get XDG basedir data */
xdgInitHandle(&xdg);
/* init lua */
luaA_init(&xdg);
/* check args */
while((opt = getopt_long(argc, argv, "vhkc:",
long_options, NULL)) != -1)
switch(opt)
{
case 'v':
eprint_version();
break;
case 'h':
exit_help(EXIT_SUCCESS);
break;
case 'k':
if(!luaA_parserc(&xdg, confpath, false))
{
fprintf(stderr, "✘ Configuration file syntax error.\n");
return EXIT_FAILURE;
}
else
{
fprintf(stderr, "✔ Configuration file syntax OK.\n");
return EXIT_SUCCESS;
}
case 'c':
if(a_strlen(optarg))
confpath = a_strdup(optarg);
else
fatal("-c option requires a file name");
break;
}
globalconf.loop = ev_default_loop(0);
ev_timer_init(&globalconf.timer, &luaA_on_timer, 0., 0.);
/* register function for signals */
ev_signal_init(&sigint, exit_on_signal, SIGINT);
ev_signal_init(&sigterm, exit_on_signal, SIGTERM);
ev_signal_init(&sighup, restart_on_signal, SIGHUP);
ev_signal_start(globalconf.loop, &sigint);
ev_signal_start(globalconf.loop, &sigterm);
ev_signal_start(globalconf.loop, &sighup);
ev_unref(globalconf.loop);
ev_unref(globalconf.loop);
ev_unref(globalconf.loop);
struct sigaction sa = { .sa_handler = signal_fatal, .sa_flags = 0 };
sigemptyset(&sa.sa_mask);
sigaction(SIGSEGV, &sa, 0);
/* XLib sucks */
XkbIgnoreExtension(True);
/* X stuff */
globalconf.display = XOpenDisplay(NULL);
if (globalconf.display == NULL)
fatal("cannot open display");
globalconf.default_screen = XDefaultScreen(globalconf.display);
globalconf.connection = XGetXCBConnection(globalconf.display);
/* Double checking then everything is OK. */
if(xcb_connection_has_error(globalconf.connection))
fatal("cannot open display");
/* Prefetch all the extensions we might need */
xcb_prefetch_extension_data(globalconf.connection, &xcb_big_requests_id);
xcb_prefetch_extension_data(globalconf.connection, &xcb_test_id);
xcb_prefetch_extension_data(globalconf.connection, &xcb_randr_id);
xcb_prefetch_extension_data(globalconf.connection, &xcb_shape_id);
/* initialize dbus */
a_dbus_init();
/* Get the file descriptor corresponding to the X connection */
xfd = xcb_get_file_descriptor(globalconf.connection);
ev_io_init(&xio, &a_xcb_io_cb, xfd, EV_READ);
ev_io_start(globalconf.loop, &xio);
ev_check_init(&xcheck, &a_xcb_check_cb);
ev_check_start(globalconf.loop, &xcheck);
ev_unref(globalconf.loop);
ev_prepare_init(&a_refresh, &a_refresh_cb);
ev_prepare_start(globalconf.loop, &a_refresh);
ev_unref(globalconf.loop);
/* Grab server */
xcb_grab_server(globalconf.connection);
/* Make sure there are no pending events. Since we didn't really do anything
* at all yet, we will just discard all events which we received so far.
* The above GrabServer should make sure no new events are generated. */
xcb_aux_sync(globalconf.connection);
while ((event = xcb_poll_for_event(globalconf.connection)) != NULL)
{
/* Make sure errors are printed */
uint8_t response_type = XCB_EVENT_RESPONSE_TYPE(event);
if(response_type == 0)
event_handle(event);
p_delete(&event);
}
for(screen_nbr = 0;
screen_nbr < xcb_setup_roots_length(xcb_get_setup(globalconf.connection));
screen_nbr++)
{
const uint32_t select_input_val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
/* This causes an error if some other window manager is running */
xcb_change_window_attributes(globalconf.connection,
xutil_screen_get(globalconf.connection, screen_nbr)->root,
XCB_CW_EVENT_MASK, &select_input_val);
}
/* Need to xcb_flush to validate error handler */
xcb_aux_sync(globalconf.connection);
/* Process all errors in the queue if any. There can be no events yet, so if
* this function returns something, it must be an error. */
if (xcb_poll_for_event(globalconf.connection) != NULL)
fatal("another window manager is already running");
/* Prefetch the maximum request length */
xcb_prefetch_maximum_request_length(globalconf.connection);
/* check for xtest extension */
const xcb_query_extension_reply_t *xtest_query;
xtest_query = xcb_get_extension_data(globalconf.connection, &xcb_test_id);
globalconf.have_xtest = xtest_query->present;
/* Allocate the key symbols */
globalconf.keysyms = xcb_key_symbols_alloc(globalconf.connection);
xcb_get_modifier_mapping_cookie_t xmapping_cookie =
xcb_get_modifier_mapping_unchecked(globalconf.connection);
/* init atom cache */
atoms_init(globalconf.connection);
/* init screens information */
screen_scan();
/* init default font and colors */
colors_reqs[0] = xcolor_init_unchecked(&globalconf.colors.fg,
"black", sizeof("black") - 1);
colors_reqs[1] = xcolor_init_unchecked(&globalconf.colors.bg,
"white", sizeof("white") - 1);
globalconf.font = draw_font_new("sans 8");
for(colors_nbr = 0; colors_nbr < 2; colors_nbr++)
xcolor_init_reply(colors_reqs[colors_nbr]);
xutil_lock_mask_get(globalconf.connection, xmapping_cookie,
globalconf.keysyms, &globalconf.numlockmask,
&globalconf.shiftlockmask, &globalconf.capslockmask,
&globalconf.modeswitchmask);
/* Get the window tree associated to this screen */
const int screen_max = xcb_setup_roots_length(xcb_get_setup(globalconf.connection));
xcb_query_tree_cookie_t tree_c[screen_max];
/* do this only for real screen */
for(screen_nbr = 0; screen_nbr < screen_max; screen_nbr++)
{
/* select for events */
const uint32_t change_win_vals[] =
{
XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY
| XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW
| XCB_EVENT_MASK_STRUCTURE_NOTIFY
| XCB_EVENT_MASK_PROPERTY_CHANGE
| XCB_EVENT_MASK_BUTTON_PRESS
| XCB_EVENT_MASK_BUTTON_RELEASE
| XCB_EVENT_MASK_FOCUS_CHANGE
};
tree_c[screen_nbr] = xcb_query_tree_unchecked(globalconf.connection,
xutil_screen_get(globalconf.connection, screen_nbr)->root);
xcb_change_window_attributes(globalconf.connection,
xutil_screen_get(globalconf.connection, screen_nbr)->root,
XCB_CW_EVENT_MASK,
change_win_vals);
ewmh_init(screen_nbr);
systray_init(screen_nbr);
}
/* init spawn (sn) */
spawn_init();
/* we will receive events, stop grabbing server */
xcb_ungrab_server(globalconf.connection);
/* Parse and run configuration file */
if (!luaA_parserc(&xdg, confpath, true))
fatal("couldn't find any rc file");
scan(tree_c);
xcb_flush(globalconf.connection);
/* main event loop */
ev_loop(globalconf.loop, 0);
/* cleanup event loop */
ev_ref(globalconf.loop);
ev_check_stop(globalconf.loop, &xcheck);
ev_ref(globalconf.loop);
ev_prepare_stop(globalconf.loop, &a_refresh);
ev_ref(globalconf.loop);
ev_io_stop(globalconf.loop, &xio);
awesome_atexit(false);
return EXIT_SUCCESS;
}
int
main(int argc, char **argv)
{
memset(&globalconf, 0, sizeof(globalconf));
globalconf.connection = xcb_connect(NULL, &globalconf.screen_nbr);
if(xcb_connection_has_error(globalconf.connection))
fatal("Cannot open display");
/* Get the root window */
globalconf.screen = xcb_aux_get_screen(globalconf.connection,
globalconf.screen_nbr);
/* Set up signal handlers and function called on normal exit */
struct sigaction sa;
sigemptyset(&sa.sa_mask);
sa.sa_handler = exit_on_signal;
sa.sa_flags = 0;
sigaction(SIGHUP, &sa, NULL);
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
atexit(exit_cleanup);
/**
* First round-trip
*/
/* Send requests for EWMH atoms initialisation */
xcb_intern_atom_cookie_t *ewmh_cookies = atoms_init();
parse_command_line_parameters(argc, argv);
/* Prefetch the extensions data */
xcb_prefetch_extension_data(globalconf.connection, &xcb_composite_id);
xcb_prefetch_extension_data(globalconf.connection, &xcb_damage_id);
xcb_prefetch_extension_data(globalconf.connection, &xcb_xfixes_id);
/* Initialise errors handlers */
xcb_event_handlers_init(globalconf.connection, &globalconf.evenths);
event_init_start_handlers();
/* Pre-initialisation of the rendering backend */
if(!rendering_load())
{
free(ewmh_cookies);
fatal("Can't initialise rendering backend");
}
/* Get replies for EWMH atoms initialisation */
if(!atoms_init_finalise(ewmh_cookies))
/* No need to free ewmh_cookies in case of error as it's already
handles by xcb-ewmh when getting the replies */
fatal("Cannot initialise atoms");
/* First check whether there is already a Compositing Manager (ICCCM) */
xcb_get_selection_owner_cookie_t wm_cm_owner_cookie =
xcb_ewmh_get_wm_cm_owner(&globalconf.ewmh, globalconf.screen_nbr);
/**
* Second round-trip
*/
/* Initialise extensions based on the cache and perform
initialisation of the rendering backend */
display_init_extensions();
if(!(*globalconf.rendering->init)())
return EXIT_FAILURE;
/* Check ownership for WM_CM_Sn before actually claiming it (ICCCM) */
xcb_window_t wm_cm_owner_win;
if(xcb_ewmh_get_wm_cm_owner_reply(&globalconf.ewmh, wm_cm_owner_cookie,
&wm_cm_owner_win, NULL) &&
wm_cm_owner_win != XCB_NONE)
fatal("A compositing manager is already active (window=%jx)",
(uintmax_t) wm_cm_owner_win);
/* Now send requests to register the CM */
display_register_cm();
/**
* Third round-trip
*/
/* Check extensions version and finish initialisation of the
rendering backend */
display_init_extensions_finalise();
if(!(*globalconf.rendering->init_finalise)())
return EXIT_FAILURE;
/* All the plugins given in the configuration file */
plugin_load_all();
/* Validate errors and get PropertyNotify needed to acquire
_NET_WM_CM_Sn ownership */
xcb_aux_sync(globalconf.connection);
xcb_event_poll_for_event_loop(&globalconf.evenths);
globalconf.keysyms = xcb_key_symbols_alloc(globalconf.connection);
xcb_get_modifier_mapping_cookie_t key_mapping_cookie =
xcb_get_modifier_mapping_unchecked(globalconf.connection);
/* Finish CM X registration */
if(!display_register_cm_finalise())
fatal("Could not acquire _NET_WM_CM_Sn ownership");
/**
* Last initialisation round-trip
*/
/* Grab the server before performing redirection and get the tree of
windows to ensure there won't be anything else at the same
time */
xcb_grab_server(globalconf.connection);
/* Now redirect windows and add existing windows */
display_init_redirect();
/* Validate errors handlers during redirect */
xcb_aux_sync(globalconf.connection);
xcb_event_poll_for_event_loop(&globalconf.evenths);
/* Manage existing windows */
display_init_redirect_finalise();
xcb_ungrab_server(globalconf.connection);
/* Check the plugin requirements which will disable plugins which
don't meet the requirements */
plugin_check_requirements();
/* Get the lock masks reply of the request previously sent */
key_lock_mask_get_reply(key_mapping_cookie);
/* Initialise normal errors and events handlers */
event_init_handlers();
xcb_generic_event_t *event;
/* Flush existing requests before the loop as DamageNotify events
may have been received in the meantime */
xcb_flush(globalconf.connection);
globalconf.do_repaint = true;
/* Main event and error loop */
do
{
/* Block until an event is received */
event = xcb_wait_for_event(globalconf.connection);
/* Check X connection to avoid SIGSEGV */
if(xcb_connection_has_error(globalconf.connection))
fatal("X connection invalid");
xcb_event_handle(&globalconf.evenths, event);
free(event);
/* Then process all remaining events in the queue because before
painting, all the DamageNotify have to be received */
xcb_event_poll_for_event_loop(&globalconf.evenths);
/* Now paint the windows */
if(globalconf.do_repaint)
{
window_t *windows = NULL;
for(plugin_t *plugin = globalconf.plugins; plugin; plugin = plugin->next)
if(plugin->enable && plugin->vtable->render_windows &&
(windows = (*plugin->vtable->render_windows)()))
break;
if(!windows)
windows = globalconf.windows;
window_paint_all(windows);
xcb_aux_sync(globalconf.connection);
}
globalconf.do_repaint = false;
}
while(true);
return EXIT_SUCCESS;
}
/** Hello, this is main.
* \param argc Who knows.
* \param argv Who knows.
* \return EXIT_SUCCESS I hope.
*/
int
main(int argc, char **argv)
{
char *confpath = NULL;
int xfd, i, opt;
ssize_t cmdlen = 1;
xdgHandle xdg;
bool no_argb = false;
xcb_generic_event_t *event;
xcb_query_tree_cookie_t tree_c;
static struct option long_options[] =
{
{ "help", 0, NULL, 'h' },
{ "version", 0, NULL, 'v' },
{ "config", 1, NULL, 'c' },
{ "check", 0, NULL, 'k' },
{ "no-argb", 0, NULL, 'a' },
{ NULL, 0, NULL, 0 }
};
/* event loop watchers */
ev_io xio = { .fd = -1 };
ev_check xcheck;
ev_prepare a_refresh;
ev_signal sigint;
ev_signal sigterm;
ev_signal sighup;
/* clear the globalconf structure */
p_clear(&globalconf, 1);
globalconf.keygrabber = LUA_REFNIL;
globalconf.mousegrabber = LUA_REFNIL;
buffer_init(&globalconf.startup_errors);
/* save argv */
for(i = 0; i < argc; i++)
cmdlen += a_strlen(argv[i]) + 1;
awesome_argv = p_new(char, cmdlen);
a_strcpy(awesome_argv, cmdlen, argv[0]);
for(i = 1; i < argc; i++)
{
a_strcat(awesome_argv, cmdlen, " ");
a_strcat(awesome_argv, cmdlen, argv[i]);
}
/* Text won't be printed correctly otherwise */
setlocale(LC_CTYPE, "");
/* Get XDG basedir data */
xdgInitHandle(&xdg);
/* init lua */
luaA_init(&xdg);
/* check args */
while((opt = getopt_long(argc, argv, "vhkc:a",
long_options, NULL)) != -1)
switch(opt)
{
case 'v':
eprint_version();
break;
case 'h':
exit_help(EXIT_SUCCESS);
break;
case 'k':
if(!luaA_parserc(&xdg, confpath, false))
{
fprintf(stderr, "✘ Configuration file syntax error.\n");
return EXIT_FAILURE;
}
else
{
fprintf(stderr, "✔ Configuration file syntax OK.\n");
return EXIT_SUCCESS;
}
case 'c':
if(a_strlen(optarg))
confpath = a_strdup(optarg);
else
fatal("-c option requires a file name");
break;
case 'a':
no_argb = true;
break;
}
globalconf.loop = ev_default_loop(EVFLAG_NOSIGFD);
/* register function for signals */
ev_signal_init(&sigint, exit_on_signal, SIGINT);
ev_signal_init(&sigterm, exit_on_signal, SIGTERM);
ev_signal_init(&sighup, restart_on_signal, SIGHUP);
ev_signal_start(globalconf.loop, &sigint);
ev_signal_start(globalconf.loop, &sigterm);
ev_signal_start(globalconf.loop, &sighup);
ev_unref(globalconf.loop);
ev_unref(globalconf.loop);
ev_unref(globalconf.loop);
struct sigaction sa = { .sa_handler = signal_fatal, .sa_flags = 0 };
sigemptyset(&sa.sa_mask);
sigaction(SIGSEGV, &sa, 0);
/* X stuff */
globalconf.connection = xcb_connect(NULL, &globalconf.default_screen);
if(xcb_connection_has_error(globalconf.connection))
fatal("cannot open display");
globalconf.screen = xcb_aux_get_screen(globalconf.connection, globalconf.default_screen);
/* FIXME The following two assignments were swapped on purpose */
if(!no_argb)
globalconf.visual = a_default_visual(globalconf.screen);
if(!globalconf.visual)
globalconf.visual = a_argb_visual(globalconf.screen);
globalconf.default_depth = a_visual_depth(globalconf.screen, globalconf.visual->visual_id);
globalconf.default_cmap = globalconf.screen->default_colormap;
if(globalconf.default_depth != globalconf.screen->root_depth)
{
// We need our own color map if we aren't using the default depth
globalconf.default_cmap = xcb_generate_id(globalconf.connection);
xcb_create_colormap(globalconf.connection, XCB_COLORMAP_ALLOC_NONE,
globalconf.default_cmap, globalconf.screen->root,
globalconf.visual->visual_id);
}
/* Prefetch all the extensions we might need */
xcb_prefetch_extension_data(globalconf.connection, &xcb_big_requests_id);
xcb_prefetch_extension_data(globalconf.connection, &xcb_test_id);
xcb_prefetch_extension_data(globalconf.connection, &xcb_randr_id);
xcb_prefetch_extension_data(globalconf.connection, &xcb_xinerama_id);
/* initialize dbus */
a_dbus_init();
/* Get the file descriptor corresponding to the X connection */
xfd = xcb_get_file_descriptor(globalconf.connection);
ev_io_init(&xio, &a_xcb_io_cb, xfd, EV_READ);
ev_io_start(globalconf.loop, &xio);
ev_check_init(&xcheck, &a_xcb_check_cb);
ev_check_start(globalconf.loop, &xcheck);
ev_unref(globalconf.loop);
ev_prepare_init(&a_refresh, &a_refresh_cb);
ev_prepare_start(globalconf.loop, &a_refresh);
ev_unref(globalconf.loop);
/* Grab server */
xcb_grab_server(globalconf.connection);
/* Make sure there are no pending events. Since we didn't really do anything
* at all yet, we will just discard all events which we received so far.
* The above GrabServer should make sure no new events are generated. */
xcb_aux_sync(globalconf.connection);
while ((event = xcb_poll_for_event(globalconf.connection)) != NULL)
{
/* Make sure errors are printed */
uint8_t response_type = XCB_EVENT_RESPONSE_TYPE(event);
if(response_type == 0)
event_handle(event);
p_delete(&event);
}
{
const uint32_t select_input_val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
/* This causes an error if some other window manager is running */
xcb_change_window_attributes(globalconf.connection,
globalconf.screen->root,
XCB_CW_EVENT_MASK, &select_input_val);
}
/* Need to xcb_flush to validate error handler */
xcb_aux_sync(globalconf.connection);
/* Process all errors in the queue if any. There can be no events yet, so if
* this function returns something, it must be an error. */
if (xcb_poll_for_event(globalconf.connection) != NULL)
fatal("another window manager is already running");
/* Prefetch the maximum request length */
xcb_prefetch_maximum_request_length(globalconf.connection);
/* check for xtest extension */
const xcb_query_extension_reply_t *xtest_query;
xtest_query = xcb_get_extension_data(globalconf.connection, &xcb_test_id);
globalconf.have_xtest = xtest_query->present;
/* Allocate the key symbols */
globalconf.keysyms = xcb_key_symbols_alloc(globalconf.connection);
xcb_get_modifier_mapping_cookie_t xmapping_cookie =
xcb_get_modifier_mapping_unchecked(globalconf.connection);
/* init atom cache */
atoms_init(globalconf.connection);
/* init screens information */
screen_scan();
xutil_lock_mask_get(globalconf.connection, xmapping_cookie,
globalconf.keysyms, &globalconf.numlockmask,
&globalconf.shiftlockmask, &globalconf.capslockmask,
&globalconf.modeswitchmask);
/* do this only for real screen */
ewmh_init();
systray_init();
/* init spawn (sn) */
spawn_init();
/* The default GC is just a newly created associated with a window with
* depth globalconf.default_depth */
xcb_window_t tmp_win = xcb_generate_id(globalconf.connection);
globalconf.gc = xcb_generate_id(globalconf.connection);
xcb_create_window(globalconf.connection, globalconf.default_depth,
tmp_win, globalconf.screen->root,
-1, -1, 1, 1, 0,
XCB_COPY_FROM_PARENT, globalconf.visual->visual_id,
XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL | XCB_CW_COLORMAP,
(const uint32_t [])
{
globalconf.screen->black_pixel,
globalconf.screen->black_pixel,
globalconf.default_cmap
});
xcb_create_gc(globalconf.connection, globalconf.gc, tmp_win, XCB_GC_FOREGROUND | XCB_GC_BACKGROUND,
(const uint32_t[]) {
globalconf.screen->black_pixel, globalconf.screen->white_pixel
});
xcb_destroy_window(globalconf.connection, tmp_win);
/* Get the window tree associated to this screen */
tree_c = xcb_query_tree_unchecked(globalconf.connection,
globalconf.screen->root);
xcb_change_window_attributes(globalconf.connection,
globalconf.screen->root,
XCB_CW_EVENT_MASK,
ROOT_WINDOW_EVENT_MASK);
/* we will receive events, stop grabbing server */
xcb_ungrab_server(globalconf.connection);
/* Parse and run configuration file */
if (!luaA_parserc(&xdg, confpath, true))
fatal("couldn't find any rc file");
p_delete(&confpath);
xdgWipeHandle(&xdg);
/* scan existing windows */
scan(tree_c);
xcb_flush(globalconf.connection);
/* main event loop */
ev_loop(globalconf.loop, 0);
/* cleanup event loop */
ev_ref(globalconf.loop);
ev_check_stop(globalconf.loop, &xcheck);
ev_ref(globalconf.loop);
ev_prepare_stop(globalconf.loop, &a_refresh);
ev_ref(globalconf.loop);
ev_io_stop(globalconf.loop, &xio);
awesome_atexit(false);
return EXIT_SUCCESS;
}