/** Call before exiting.
*/
void
awesome_atexit(bool restart)
{
int screen_nbr, nscreens;
if(globalconf.hooks.exit != LUA_REFNIL)
luaA_dofunction_from_registry(globalconf.L, globalconf.hooks.exit, 0, 0);
lua_pushboolean(globalconf.L, restart);
signal_object_emit(globalconf.L, &global_signals, "exit", 1);
a_dbus_cleanup();
/* do this only for real screen */
const xcb_setup_t *setup = xcb_get_setup(globalconf.connection);
nscreens = setup ? xcb_setup_roots_length(setup) : -1;
for(screen_nbr = 0;
screen_nbr < nscreens;
screen_nbr++)
systray_cleanup(0, screen_nbr); //FIXME: Clean physical screens
/* Close Lua */
lua_close(globalconf.L);
xcb_flush(globalconf.connection);
/* Disconnect *after* closing lua */
xcb_disconnect(globalconf.connection);
ev_default_destroy();
}
/** Grab key on the root windows.
* \param k The keybinding.
*/
void
window_root_grabkey(keybinding_t *k)
{
int phys_screen = 0;
int nscreen = xcb_setup_roots_length(xcb_get_setup(globalconf.connection));
xcb_screen_t *s;
xcb_keycode_t kc;
if((kc = k->keycode)
|| (k->keysym
&& (kc = xcb_key_symbols_get_keycode(globalconf.keysyms, k->keysym))))
do
{
s = xutil_screen_get(globalconf.connection, phys_screen);
xcb_grab_key(globalconf.connection, true, s->root,
k->mod, kc, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
xcb_grab_key(globalconf.connection, true, s->root,
k->mod | XCB_MOD_MASK_LOCK, kc, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
xcb_grab_key(globalconf.connection, true, s->root,
k->mod | globalconf.numlockmask, kc, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
xcb_grab_key(globalconf.connection, true, s->root,
k->mod | globalconf.numlockmask | XCB_MOD_MASK_LOCK, kc, XCB_GRAB_MODE_ASYNC,
XCB_GRAB_MODE_ASYNC);
phys_screen++;
} while(phys_screen < nscreen);
}
int iterate_screens(int, char **)
{
xcb_connection_t *conn = xcb_connect(0, 0);
xcb_screen_iterator_t i = xcb_setup_roots_iterator(xcb_get_setup(conn));
std::vector<xcb_screen_t> screens;
std::copy(i, xcb::end(i), std::back_inserter(screens));
assert(screens.size() == xcb_setup_roots_length(xcb_get_setup(conn)));
return EXIT_SUCCESS;
}
void scan_windows(void)
{
const int screens_len = xcb_setup_roots_length(xcb_get_setup(wm_conf.connection));
int screen_idx;
xcb_window_t root_wins[screens_len];
xcb_query_tree_cookie_t root_tree_cookies[screens_len];
/* request window trees for the root window of each screen */
for (screen_idx = 0; screen_idx < screens_len; ++screen_idx) {
xcb_screen_t *screen = xcb_aux_get_screen(wm_conf.connection, screen_idx);
root_wins[screen_idx] = screen->root;
root_tree_cookies[screen_idx] = xcb_query_tree_unchecked(wm_conf.connection,
root_wins[screen_idx]);
}
xcb_query_tree_reply_t *root_tree_replies[screens_len];
xcb_window_t *wins;
int wins_len;
/* collect replies */
for (screen_idx = 0; screen_idx < screens_len; ++screen_idx) {
root_tree_replies[screen_idx] = xcb_query_tree_reply(wm_conf.connection,
root_tree_cookies[screen_idx],
NULL);
wins = xcb_query_tree_children(root_tree_replies[screen_idx]);
if (!wins)
fprintf(stderr, "failed to get child tree for window %u\n", root_wins[screen_idx]);
wins_len = xcb_query_tree_children_length(root_tree_replies[screen_idx]);
fprintf(stderr, "root window %u has %d children\n", root_wins[screen_idx], wins_len);
fprintf(stderr, "examining children\n");
xcb_window_t child_win;
int i;
for (i = 0; i < wins_len; ++i) {
child_win = wins[i];
fprintf(stderr, " child window %u\n", child_win);
client_t *client = find_client(child_win);
if (!client) {
client = client_init(client_alloc());
client->window = child_win;
sglib_client_t_add(&client_list, client);
}
read_client_geometry(client);
}
}
for (screen_idx = 0; screen_idx < screens_len; ++screen_idx)
free(root_tree_replies[screen_idx]);
}
/** Refresh all systrays registrations per physical screen
*/
void
systray_refresh()
{
int nscreen = xcb_setup_roots_length(xcb_get_setup(globalconf.connection));
for(int phys_screen = 0; phys_screen < nscreen; phys_screen++)
{
bool has_systray = false;
foreach(w, globalconf.wiboxes)
if(phys_screen == (*w)->ctx.phys_screen && (*w)->has_systray)
/* Can't use "break" with foreach() :( */
has_systray = true;
if(has_systray)
systray_register(phys_screen);
else
systray_cleanup(phys_screen);
}
}
/** Grab the mouse.
* \param cursor The cursor to use while grabbing.
* \return True if mouse was grabbed.
*/
static bool
mousegrabber_grab(xcb_cursor_t cursor)
{
xcb_window_t root = XCB_NONE;
for(int screen = 0;
screen < xcb_setup_roots_length(xcb_get_setup(globalconf.connection));
screen++)
{
int16_t x, y;
uint16_t mask;
root = xutil_screen_get(globalconf.connection, screen)->root;
if(mouse_query_pointer(root, &x, &y, NULL, &mask))
break;
}
for(int i = 1000; i; i--)
{
xcb_grab_pointer_reply_t *grab_ptr_r;
xcb_grab_pointer_cookie_t grab_ptr_c =
xcb_grab_pointer_unchecked(globalconf.connection, false, root,
XCB_EVENT_MASK_BUTTON_PRESS
| XCB_EVENT_MASK_BUTTON_RELEASE
| XCB_EVENT_MASK_POINTER_MOTION,
XCB_GRAB_MODE_ASYNC,
XCB_GRAB_MODE_ASYNC,
root, cursor, XCB_CURRENT_TIME);
if((grab_ptr_r = xcb_grab_pointer_reply(globalconf.connection, grab_ptr_c, NULL)))
{
p_delete(&grab_ptr_r);
return true;
}
usleep(1000);
}
return false;
}
/** Get or set global key bindings.
* This binding will be available when you'll press keys on root window.
* \param L The Lua VM state.
* \return The number of element pushed on stack.
* \luastack
* \lparam An array of key bindings objects, or nothing.
* \lreturn The array of key bindings objects of this client.
*/
static int
luaA_root_keys(lua_State *L)
{
if(lua_gettop(L) == 1)
{
luaA_checktable(L, 1);
foreach(key, globalconf.keys)
luaA_object_unref(globalconf.L, *key);
key_array_wipe(&globalconf.keys);
key_array_init(&globalconf.keys);
lua_pushnil(L);
while(lua_next(L, 1))
key_array_append(&globalconf.keys, luaA_object_ref_class(L, -1, &key_class));
int nscreen = xcb_setup_roots_length(xcb_get_setup(globalconf.connection));
for(int phys_screen = 0; phys_screen < nscreen; phys_screen++)
{
xcb_screen_t *s = xutil_screen_get(globalconf.connection, phys_screen);
xcb_ungrab_key(globalconf.connection, XCB_GRAB_ANY, s->root, XCB_BUTTON_MASK_ANY);
xwindow_grabkeys(s->root, &globalconf.keys);
}
return 1;
}
lua_createtable(L, globalconf.keys.len, 0);
for(int i = 0; i < globalconf.keys.len; i++)
{
luaA_object_push(L, globalconf.keys.tab[i]);
lua_rawseti(L, -2, i + 1);
}
return 1;
}
/** Set the root cursor.
* \param L The Lua VM state.
* \return The number of element pushed on stack.
* \luastack
* \lparam A X cursor name.
*/
static int
luaA_root_cursor(lua_State *L)
{
const char *cursor_name = luaL_checkstring(L, 1);
uint16_t cursor_font = xcursor_font_fromstr(cursor_name);
if(cursor_font)
{
uint32_t change_win_vals[] = { xcursor_new(globalconf.connection, cursor_font) };
for(int screen_nbr = 0;
screen_nbr < xcb_setup_roots_length(xcb_get_setup(globalconf.connection));
screen_nbr++)
xcb_change_window_attributes(globalconf.connection,
xutil_screen_get(globalconf.connection, screen_nbr)->root,
XCB_CW_CURSOR,
change_win_vals);
}
else
luaA_warn(L, "invalid cursor %s", cursor_name);
return 0;
}
/** The button press event handler.
* \param data The type of mouse event.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_button(void *data, xcb_connection_t *connection, xcb_button_press_event_t *ev)
{
int screen;
const int nb_screen = xcb_setup_roots_length(xcb_get_setup(connection));
client_t *c;
wibox_t *wibox;
if(event_handle_mousegrabber(ev->root_x, ev->root_y, 1 << (ev->detail - 1 + 8)))
return 0;
/* ev->state is
* button status (8 bits) + modifiers status (8 bits)
* we don't care for button status that we get, especially on release, so
* drop them */
ev->state &= 0x00ff;
if((wibox = wibox_getbywin(ev->event))
|| (wibox = wibox_getbywin(ev->child)))
{
/* If the wibox is child, then x,y are
* relative to root window */
if(wibox->window == ev->child)
{
ev->event_x -= wibox->geometry.x;
ev->event_y -= wibox->geometry.y;
}
/* Push the wibox */
luaA_object_push(globalconf.L, wibox);
/* Duplicate the wibox */
lua_pushvalue(globalconf.L, -1);
/* Handle the button event on it */
event_button_callback(ev, &wibox->buttons, -1, 1, NULL);
/* then try to match a widget binding */
widget_t *w = widget_getbycoords(wibox->orientation, &wibox->widgets,
wibox->geometry.width,
wibox->geometry.height,
&ev->event_x, &ev->event_y);
if(w)
{
/* Push widget (the wibox is already on stack) */
luaA_object_push_item(globalconf.L, -1, w);
/* Move widget before wibox */
lua_insert(globalconf.L, -2);
event_button_callback(ev, &w->buttons, -2, 2, NULL);
}
else
/* Remove the wibox, we did not use it */
lua_pop(globalconf.L, 1);
}
else if((c = client_getbywin(ev->event)))
{
luaA_object_push(globalconf.L, c);
event_button_callback(ev, &c->buttons, -1, 1, NULL);
xcb_allow_events(globalconf.connection,
XCB_ALLOW_REPLAY_POINTER,
XCB_CURRENT_TIME);
}
else if(ev->child == XCB_NONE)
for(screen = 0; screen < nb_screen; screen++)
if(xutil_screen_get(connection, screen)->root == ev->event)
{
event_button_callback(ev, &globalconf.buttons, 0, 0, NULL);
return 0;
}
return 0;
}
int main(int argc, char **argv)
{
xcb_connection_t *connection = xcb_connect(NULL, &wm_conf.default_screen_num);
if (xcb_connection_has_error(connection)) {
fprintf(stderr, "failed to open display\n");
exit(1);
}
init_wm_conf();
init_conf_dir();
wm_conf.connection = connection;
const xcb_setup_t *setup = xcb_get_setup(connection);
int num_screens = xcb_setup_roots_length(setup);
fprintf(stderr, "init: num_screens = %d\n", num_screens);
fprintf(stderr, "init: default_screen_num = %d\n", wm_conf.default_screen_num);
xcb_screen_t *screen = xcb_setup_roots_iterator(xcb_get_setup(connection)).data;
wm_conf.screen = screen;
xcb_window_t root_window = screen->root;
xcb_grab_server(connection);
xcb_flush(connection);
xcb_event_handlers_t *event_handlers = &wm_conf.event_handlers;
xcb_event_handlers_init(connection, event_handlers);
set_exclusive_error_handler(event_handlers, handle_startup_error);
/* Try to get substructure redirect events from root window.
* This will cause an error if a window manager is already running.
*/
const uint32_t sub_redirect = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
xcb_change_window_attributes(connection,
root_window,
XCB_CW_EVENT_MASK,
&sub_redirect);
/* Need to xcb_flush to validate error handler */
xcb_aux_sync(connection);
/* Process all errors in the queue if any */
xcb_event_poll_for_event_loop(event_handlers);
scan_windows();
xinerama_test();
set_exclusive_error_handler(event_handlers, handle_error);
set_event_handlers(event_handlers);
/* Allocate the key symbols */
wm_conf.key_syms = xcb_key_symbols_alloc(connection);
fprintf(stderr, "selecting events from root window\n");
const uint32_t root_win_event_mask = 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;
xcb_change_window_attributes(connection, root_window, XCB_CW_EVENT_MASK, &root_win_event_mask);
xcb_ungrab_server(connection);
xcb_flush(connection);
wm_conf.repl_server = repl_server_init();
load_init_scheme();
fprintf(stderr, "entering event loop\n");
event_loop();
xcb_disconnect(connection);
return 0;
}
/** Scan X to find windows to manage.
*/
static void
scan(xcb_query_tree_cookie_t tree_c[])
{
int i, x_screen, tree_c_len;
const int screen_max = xcb_setup_roots_length(xcb_get_setup(globalconf.connection));
xcb_query_tree_reply_t *tree_r;
xcb_window_t *wins = NULL;
xcb_get_window_attributes_reply_t *attr_r;
xcb_get_geometry_reply_t *geom_r;
long state;
for(x_screen = 0; x_screen < screen_max; x_screen++)
{
tree_r = xcb_query_tree_reply(globalconf.connection,
tree_c[x_screen],
NULL);
if(!tree_r)
continue;
/* Get the tree of the children windows of the current root window */
if(!(wins = xcb_query_tree_children(tree_r)))
fatal("cannot get tree children");
tree_c_len = xcb_query_tree_children_length(tree_r);
xcb_get_window_attributes_cookie_t attr_wins[tree_c_len];
xcb_get_property_cookie_t state_wins[tree_c_len];
for(i = 0; i < tree_c_len; i++)
{
attr_wins[i] = xcb_get_window_attributes_unchecked(globalconf.connection,
wins[i]);
state_wins[i] = window_state_get_unchecked(wins[i]);
}
xcb_get_geometry_cookie_t *geom_wins[tree_c_len];
for(i = 0; i < tree_c_len; i++)
{
attr_r = xcb_get_window_attributes_reply(globalconf.connection,
attr_wins[i],
NULL);
state = window_state_get_reply(state_wins[i]);
if(!attr_r || attr_r->override_redirect
|| attr_r->map_state == XCB_MAP_STATE_UNMAPPED
|| state == XCB_ICCCM_WM_STATE_WITHDRAWN)
{
geom_wins[i] = NULL;
p_delete(&attr_r);
continue;
}
p_delete(&attr_r);
/* Get the geometry of the current window */
geom_wins[i] = p_alloca(xcb_get_geometry_cookie_t, 1);
*(geom_wins[i]) = xcb_get_geometry_unchecked(globalconf.connection, wins[i]);
}
for(i = 0; i < tree_c_len; i++)
{
if(!geom_wins[i] || !(geom_r = xcb_get_geometry_reply(globalconf.connection,
*(geom_wins[i]), NULL)))
continue;
/* The window can be mapped, so force it to be undrawn for startup */
xcb_unmap_window(globalconf.connection, wins[i]);
client_manage(wins[i], geom_r,
phys_screen_getbycoord(geom_r->x, geom_r->y, geom_r->root),
x_screen, true);
p_delete(&geom_r);
}
p_delete(&tree_r);
}
}
/** 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;
}
/**
* The x server was changed
*/
static bool xshm_server_changed(obs_properties_t *props,
obs_property_t *p, obs_data_t *settings)
{
UNUSED_PARAMETER(p);
bool advanced = obs_data_get_bool(settings, "advanced");
int_fast32_t old_screen = obs_data_get_int(settings, "screen");
const char *server = obs_data_get_string(settings, "server");
obs_property_t *screens = obs_properties_get(props, "screen");
/* we want a real NULL here in case there is no string here */
server = (advanced && *server) ? server : NULL;
obs_property_list_clear(screens);
xcb_connection_t *xcb = xcb_connect(server, NULL);
if (!xcb || xcb_connection_has_error(xcb)) {
obs_property_set_enabled(screens, false);
return true;
}
struct dstr screen_info;
dstr_init(&screen_info);
bool xinerama = xinerama_is_active(xcb);
int_fast32_t count = (xinerama) ?
xinerama_screen_count(xcb) :
xcb_setup_roots_length(xcb_get_setup(xcb));
for (int_fast32_t i = 0; i < count; ++i) {
int_fast32_t x, y, w, h;
x = y = w = h = 0;
if (xinerama)
xinerama_screen_geo(xcb, i, &x, &y, &w, &h);
else
x11_screen_geo(xcb, i, &w, &h);
dstr_printf(&screen_info, "Screen %"PRIuFAST32" (%"PRIuFAST32
"x%"PRIuFAST32" @ %"PRIuFAST32
",%"PRIuFAST32")", i, w, h, x, y);
obs_property_list_add_int(screens, screen_info.array, i);
}
/* handle missing screen */
if (old_screen + 1 > count) {
dstr_printf(&screen_info, "Screen %"PRIuFAST32" (not found)",
old_screen);
size_t index = obs_property_list_add_int(screens,
screen_info.array, old_screen);
obs_property_list_item_disable(screens, index, true);
}
dstr_free(&screen_info);
xcb_disconnect(xcb);
obs_property_set_enabled(screens, true);
return true;
}
/** The button press event handler.
* \param data The type of mouse event.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_button(void *data, xcb_connection_t *connection, xcb_button_press_event_t *ev)
{
int screen;
const int nb_screen = xcb_setup_roots_length(xcb_get_setup(connection));
client_t *c;
wibox_t *wibox;
/* ev->state is
* button status (8 bits) + modifiers status (8 bits)
* we don't care for button status that we get, especially on release, so
* drop them */
ev->state &= 0x00ff;
event_handle_mousegrabber(ev->root_x, ev->root_y, ev->state);
if((wibox = wibox_getbywin(ev->event))
|| (wibox = wibox_getbywin(ev->child)))
{
/* If the wibox is child, then x,y are
* relative to root window */
if(wibox->sw.window == ev->child)
{
ev->event_x -= wibox->sw.geometry.x;
ev->event_y -= wibox->sw.geometry.y;
}
/* check if we match a binding on the wibox */
button_array_t *b = &wibox->buttons;
for(int i = 0; i < b->len; i++)
if(ev->detail == b->tab[i]->button
&& ev->state == b->tab[i]->mod)
switch(ev->response_type)
{
case XCB_BUTTON_PRESS:
if(b->tab[i]->press != LUA_REFNIL)
{
wibox_push(globalconf.L, wibox);
luaA_dofunction(globalconf.L, b->tab[i]->press, 1, 0);
}
break;
case XCB_BUTTON_RELEASE:
if(b->tab[i]->release != LUA_REFNIL)
{
wibox_push(globalconf.L, wibox);
luaA_dofunction(globalconf.L, b->tab[i]->release, 1, 0);
}
break;
}
/* then try to match a widget binding */
widget_t *w = widget_getbycoords(wibox->position, &wibox->widgets,
wibox->sw.geometry.width,
wibox->sw.geometry.height,
&ev->event_x, &ev->event_y);
if(w)
{
b = &w->buttons;
for(int i = 0; i < b->len; i++)
if(ev->detail == b->tab[i]->button
&& ev->state == b->tab[i]->mod)
switch(ev->response_type)
{
case XCB_BUTTON_PRESS:
if(b->tab[i]->press != LUA_REFNIL)
{
wibox_push(globalconf.L, wibox);
luaA_dofunction(globalconf.L, b->tab[i]->press, 1, 0);
}
break;
case XCB_BUTTON_RELEASE:
if(b->tab[i]->release != LUA_REFNIL)
{
wibox_push(globalconf.L, wibox);
luaA_dofunction(globalconf.L, b->tab[i]->release, 1, 0);
}
break;
}
}
/* return even if no widget match */
return 0;
}
else if((c = client_getbywin(ev->event)))
{
event_handle_mouse_button(c, ev->response_type, ev->detail, ev->state, &c->buttons);
xcb_allow_events(globalconf.connection,
XCB_ALLOW_REPLAY_POINTER,
XCB_CURRENT_TIME);
}
else if(ev->child == XCB_NONE)
{
for(screen = 0; screen < nb_screen; screen++)
if(xutil_screen_get(connection, screen)->root == ev->event)
{
event_handle_mouse_button(NULL, ev->response_type, ev->detail, ev->state, &globalconf.buttons);
return 0;
}
}
return 0;
}
/**
* sn_xcb_display_new:
* @xdisplay: an X window system connection
* @push_trap_func: function to push an X error trap
* @pop_trap_func: function to pop an X error trap
*
* Creates a new #SnDisplay object, containing
* data that libsn associates with an X connection.
*
* @push_trap_func should be a function that causes X errors to be
* ignored until @pop_trap_func is called as many times as
* @push_trap_func has been called. (Nested push/pop pairs must be
* supported.)
* These functions are used to avoid X errors due to BadWindow and
* such.
*
* Return value: the new #SnDisplay
**/
SnDisplay*
sn_xcb_display_new (xcb_connection_t *xconnection,
SnXcbDisplayErrorTrapPush push_trap_func,
SnXcbDisplayErrorTrapPop pop_trap_func)
{
SnDisplay *display;
int i;
/* Get all atoms we will need in the future */
xcb_intern_atom_cookie_t atom_utf8_string_c =
xcb_intern_atom(xconnection, FALSE,
sizeof("UTF8_STRING") - 1, "UTF8_STRING");
xcb_intern_atom_cookie_t atom_net_startup_info_begin_c =
xcb_intern_atom(xconnection, FALSE,
sizeof("_NET_STARTUP_INFO_BEGIN") - 1,
"_NET_STARTUP_INFO_BEGIN");
xcb_intern_atom_cookie_t atom_net_startup_info_c =
xcb_intern_atom(xconnection, FALSE,
sizeof("_NET_STARTUP_INFO") - 1, "_NET_STARTUP_INFO");
xcb_intern_atom_cookie_t atom_net_startup_id_c =
xcb_intern_atom(xconnection, FALSE,
sizeof("_NET_STARTUP_ID") - 1, "_NET_STARTUP_ID");
display = sn_new0 (SnDisplay, 1);
display->xconnection = xconnection;
display->n_screens = xcb_setup_roots_length (xcb_get_setup (xconnection));
display->screens = sn_new (xcb_screen_t*, display->n_screens);
display->refcount = 1;
display->xcb_push_trap_func = push_trap_func;
display->xcb_pop_trap_func = pop_trap_func;
for (i = 0; i < display->n_screens; ++i)
display->screens[i] = xcb_aux_get_screen(xconnection, i);
xcb_intern_atom_reply_t *atom_reply;
atom_reply = xcb_intern_atom_reply(display->xconnection,
atom_utf8_string_c,
NULL);
display->UTF8_STRING = atom_reply->atom;
free(atom_reply);
atom_reply = xcb_intern_atom_reply(display->xconnection,
atom_net_startup_info_begin_c,
NULL);
display->NET_STARTUP_INFO_BEGIN = atom_reply->atom;
free(atom_reply);
atom_reply = xcb_intern_atom_reply(display->xconnection,
atom_net_startup_info_c,
NULL);
display->NET_STARTUP_INFO = atom_reply->atom;
free(atom_reply);
atom_reply = xcb_intern_atom_reply(display->xconnection,
atom_net_startup_id_c,
NULL);
display->NET_STARTUP_ID = atom_reply->atom;
free(atom_reply);
return display;
}