* vim:ts=4:sw=4:expandtab
*/
#include <ev.h>
+#include <fcntl.h>
#include <limits.h>
#include "all.h"
xcb_key_symbols_t *keysyms;
+/* Those are our connections to X11 for use with libXcursor and XKB */
+Display *xlibdpy, *xkbdpy;
+
/* The list of key bindings */
struct bindings_head *bindings;
/* The list of assignments */
struct assignments_head assignments = TAILQ_HEAD_INITIALIZER(assignments);
+/* We hope that those are supported and set them to true */
+bool xcursor_supported = true;
+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
}
}
+
+/*
+ * 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[]) {
//parse_cmd("[ foo ] attach, attach ; focus");
int screens;
char *override_configpath = NULL;
bool autostart = true;
+ char *layout_path = NULL;
+ bool delete_layout_path;
bool only_check_config = false;
bool force_xinerama = false;
xcb_intern_atom_cookie_t atom_cookies[NUM_ATOMS];
{"config", required_argument, 0, 'c'},
{"version", no_argument, 0, 'v'},
{"help", no_argument, 0, 'h'},
+ {"layout", required_argument, 0, 'L'},
+ {"restart", required_argument, 0, 0},
{"force-xinerama", no_argument, 0, 0},
{0, 0, 0, 0}
};
start_argv = argv;
- while ((opt = getopt_long(argc, argv, "c:Cvahld:V", long_options, &option_index)) != -1) {
+ while ((opt = getopt_long(argc, argv, "c:CvaL:hld:V", long_options, &option_index)) != -1) {
switch (opt) {
case 'a':
LOG("Autostart disabled using -a\n");
autostart = false;
break;
+ case 'L':
+ FREE(layout_path);
+ layout_path = sstrdup(optarg);
+ delete_layout_path = false;
+ break;
case 'c':
+ FREE(override_configpath);
override_configpath = sstrdup(optarg);
break;
case 'C':
"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, "restart") == 0) {
+ FREE(layout_path);
+ layout_path = sstrdup(optarg);
+ delete_layout_path = true;
+ break;
}
/* fall-through */
default:
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, "-L <layoutfile>: load the layout from <layoutfile>\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");
exit(0);
}
+ if (config.ipc_socket_path == NULL) {
+ config.ipc_socket_path = getenv("I3SOCK");
+ }
+
xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screens);
root = root_screen->root;
root_depth = root_screen->root_depth;
REQUEST_ATOM(_NET_ACTIVE_WINDOW);
REQUEST_ATOM(_NET_WORKAREA);
+ /* Initialize the Xlib connection */
+ xlibdpy = xkbdpy = XOpenDisplay(NULL);
+
+ /* Try to load the X cursors and initialize the XKB extension */
+ if (xlibdpy == NULL) {
+ ELOG("ERROR: XOpenDisplay() failed, disabling libXcursor/XKB support\n");
+ xcursor_supported = false;
+ xkb_supported = false;
+ } else if (fcntl(ConnectionNumber(xlibdpy), F_SETFD, FD_CLOEXEC) == -1) {
+ ELOG("Could not set FD_CLOEXEC on xkbdpy\n");
+ return 1;
+ } else {
+ xcursor_load_cursors();
+ /*init_xkb();*/
+ }
+
+ if (xkb_supported) {
+ int errBase,
+ major = XkbMajorVersion,
+ minor = XkbMinorVersion;
+
+ 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,&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 | XkbStateNotifyMask,
+ XkbMapNotifyMask | XkbStateNotifyMask)) {
+ fprintf(stderr, "Could not set XKB event mask\n");
+ return 1;
+ }
+ }
+
memset(&evenths, 0, sizeof(xcb_event_handlers_t));
memset(&prophs, 0, sizeof(xcb_property_handlers_t));
xcb_event_set_expose_handler(&evenths, handle_expose_event, NULL);
+ xcb_event_set_motion_notify_handler(&evenths, handle_motion_notify, NULL);
+
/* Enter window = user moved his mouse over the window */
xcb_event_set_enter_notify_handler(&evenths, handle_enter_notify, NULL);
for us is _NET_WM_STATE, we honour _NET_WM_STATE_FULLSCREEN */
xcb_event_set_client_message_handler(&evenths, handle_client_message, NULL);
+ /* Configure request = window tried to change size on its own */
+ xcb_event_set_configure_request_handler(&evenths, handle_configure_request, NULL);
+
/* Setup NetWM atoms */
#define GET_ATOM(name) \
do { \
/* 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);
+
/* Set up the atoms we support */
xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, atoms[_NET_SUPPORTED], ATOM, 32, 7, atoms);
/* Set up the window manager’s name */
translate_keysyms();
grab_all_keys(conn, false);
+ 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);
+ if (delete_layout_path)
+ unlink(layout_path);
+ free(layout_path);
+ }
+ if (needs_tree_init)
+ tree_init();
+
int randr_base;
if (force_xinerama) {
xinerama_init();
DLOG("Checking for XRandR...\n");
randr_init(&randr_base);
-#if 0
xcb_event_set_handler(&evenths,
randr_base + XCB_RANDR_SCREEN_CHANGE_NOTIFY,
handle_screen_change,
NULL);
-#endif
}
- if (!tree_restore())
- tree_init();
tree_render();
struct ev_loop *loop = ev_loop_new(0);
}
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);
+
+ 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);
+ }
+
ev_check_init(xcb_check, xcb_check_cb);
ev_check_start(loop, xcb_check);
manage_existing_windows(root);
+ setup_signal_handler();
+
+ /* Ignore SIGPIPE to survive errors when an IPC client disconnects
+ * while we are sending him a message */
+ signal(SIGPIPE, SIG_IGN);
+
+ /* Autostarting exec-lines */
+ if (autostart) {
+ struct Autostart *exec;
+ TAILQ_FOREACH(exec, &autostarts, autostarts) {
+ LOG("auto-starting %s\n", exec->command);
+ start_application(exec->command);
+ }
+ }
+
ev_loop(loop, 0);
}