#include "xcb.h"
#include "xinerama.h"
#include "manage.h"
+#include "ipc.h"
+
+xcb_connection_t *global_conn;
/* This is the path to i3, copied from argv[0] when starting up */
char **start_argv;
xcb_event_handlers_t evenths;
xcb_atom_t atoms[NUM_ATOMS];
+xcb_window_t root;
int num_screens = 0;
+/* The depth of the root screen (used e.g. for creating new pixmaps later) */
+uint8_t root_depth;
+
/*
- * Callback for activity on the connection to the X server
+ * 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 xcb_got_event(EV_P_ struct ev_io *w, int revents) {
+ /* empty, because xcb_prepare_cb and xcb_check_cb are used */
+}
+
+/*
+ * Flush before blocking (and waiting for new events)
+ *
+ */
+static void xcb_prepare_cb(EV_P_ ev_prepare *w, int revents) {
+ xcb_flush(evenths.c);
+}
+
+/*
+ * Instead of polling the X connection socket we leave this to
+ * xcb_poll_for_event() which knows better than we can ever know.
+ *
+ */
+static void xcb_check_cb(EV_P_ ev_check *w, int revents) {
xcb_generic_event_t *event;
- /* When an event is available… */
while ((event = xcb_poll_for_event(evenths.c)) != NULL) {
- /* …we handle all events in a row: */
- do {
- xcb_event_handle(&evenths, event);
- xcb_aux_sync(evenths.c);
- free(event);
- } while ((event = xcb_poll_for_event(evenths.c)));
-
- /* Make sure all replies are handled/discarded */
- xcb_aux_sync(evenths.c);
-
- /* Afterwards, there may be new events available which would
- * not trigger the select() (libev) immediately, so we check
- * again (and don’t bail out of the loop). */
+ xcb_event_handle(&evenths, event);
+ free(event);
}
-
- /* Make sure all replies are handled/discarded */
- xcb_aux_sync(evenths.c);
}
int main(int argc, char *argv[], char *env[]) {
bool autostart = true;
xcb_connection_t *conn;
xcb_property_handlers_t prophs;
- xcb_window_t root;
xcb_intern_atom_cookie_t atom_cookies[NUM_ATOMS];
setlocale(LC_ALL, "");
memset(&evenths, 0, sizeof(xcb_event_handlers_t));
memset(&prophs, 0, sizeof(xcb_property_handlers_t));
- conn = xcb_connect(NULL, &screens);
+ conn = global_conn = xcb_connect(NULL, &screens);
if (xcb_connection_has_error(conn))
die("Cannot open display\n");
- load_configuration(conn, override_configpath);
+ load_configuration(conn, override_configpath, false);
/* 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);
}
/* end of ugliness */
+ /* Initialize event loop using libev */
+ struct ev_loop *loop = ev_default_loop(0);
+ if (loop == NULL)
+ die("Could not initialize libev. Bad LIBEV_FLAGS?\n");
+
+ struct ev_io *xcb_watcher = 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_check_init(xcb_check, xcb_check_cb);
+ ev_check_start(loop, xcb_check);
+
+ ev_prepare_init(xcb_prepare, xcb_prepare_cb);
+ ev_prepare_start(loop, xcb_prepare);
+
+ /* Grab the server to delay any events until we enter the eventloop */
+ xcb_grab_server(conn);
+
xcb_event_handlers_init(conn, &evenths);
/* DEBUG: Trap all events and print them */
xcb_property_set_handler(&prophs, WM_NORMAL_HINTS, UINT_MAX, handle_normal_hints, NULL);
/* Get the root window and set the event mask */
- root = xcb_aux_get_screen(conn, screens)->root;
+ xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screens);
+ root = root_screen->root;
+ root_depth = root_screen->root_depth;
uint32_t mask = XCB_CW_EVENT_MASK;
uint32_t values[] = { XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
xcb_get_numlock_mask(conn);
- /* Grab the bound keys */
- Binding *bind;
- TAILQ_FOREACH(bind, &bindings, bindings) {
- LOG("Grabbing %d\n", bind->keycode);
- if (bind->mods & BIND_MODE_SWITCH)
- xcb_grab_key(conn, 0, root, 0, bind->keycode, XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_SYNC);
- else {
- /* Grab the key in all combinations */
- #define GRAB_KEY(modifier) xcb_grab_key(conn, 0, root, modifier, bind->keycode, \
- XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC)
- GRAB_KEY(bind->mods);
- GRAB_KEY(bind->mods | xcb_numlock_mask);
- GRAB_KEY(bind->mods | xcb_numlock_mask | XCB_MOD_MASK_LOCK);
- }
- }
+ grab_all_keys(conn);
/* Autostarting exec-lines */
struct Autostart *exec;
c_ws = &workspaces[screen->current_workspace];
}
+ /* Create the UNIX domain socket for IPC */
+ int ipc_socket = ipc_create_socket("/tmp/i3.s");
+ if (ipc_socket == -1) {
+ LOG("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);
+ }
- /* Initialize event loop using libev */
- struct ev_loop *loop = ev_default_loop(0);
- if (loop == NULL)
- die("Could not initialize libev. Bad LIBEV_FLAGS?\n");
-
- struct ev_io *xcb_watcher = scalloc(sizeof(struct ev_io));
- ev_io_init(xcb_watcher, xcb_got_event, xcb_get_file_descriptor(conn), EV_READ);
-
- /* Call the handler to work all events which arrived before the libev-stuff was set up */
- xcb_got_event(NULL, xcb_watcher, 0);
+ /* Handle the events which arrived until now */
+ xcb_check_cb(NULL, NULL, 0);
- /* Enter the libev eventloop */
- ev_io_start(loop, xcb_watcher);
+ /* Ungrab the server to receive events and enter libev’s eventloop */
+ xcb_ungrab_server(conn);
ev_loop(loop, 0);
/* not reached */
projects / i3 / i3 / blobdiff