7 #include <sys/socket.h>
9 #include <sys/select.h>
13 #include <xcb/xcb_event.h>
14 #include <xcb/xcb_ewmh.h>
15 #include <xcb/xinerama.h>
35 while (mon_head != NULL)
36 remove_monitor(mon_head);
37 while (rule_head != NULL)
38 remove_rule(rule_head);
42 void register_events(void)
44 uint32_t values[] = {ROOT_EVENT_MASK};
45 xcb_generic_error_t *e = xcb_request_check(dpy, xcb_change_window_attributes_checked(dpy, root, XCB_CW_EVENT_MASK, values));
48 err("Another window manager is already running.\n");
55 screen = xcb_setup_roots_iterator(xcb_get_setup(dpy)).data;
57 err("Can't acquire the default screen.\n");
61 screen_width = screen->width_in_pixels;
62 screen_height = screen->height_in_pixels;
63 root_depth = screen->root_depth;
65 xcb_atom_t net_atoms[] = {ewmh->_NET_SUPPORTED,
66 ewmh->_NET_DESKTOP_NAMES,
67 ewmh->_NET_NUMBER_OF_DESKTOPS,
68 ewmh->_NET_CURRENT_DESKTOP,
69 ewmh->_NET_CLIENT_LIST,
70 ewmh->_NET_ACTIVE_WINDOW,
71 ewmh->_NET_WM_DESKTOP,
73 ewmh->_NET_WM_STATE_FULLSCREEN,
74 ewmh->_NET_WM_WINDOW_TYPE,
75 ewmh->_NET_WM_WINDOW_TYPE_DOCK,
76 ewmh->_NET_WM_WINDOW_TYPE_NOTIFICATION,
77 ewmh->_NET_WM_WINDOW_TYPE_DIALOG,
78 ewmh->_NET_WM_WINDOW_TYPE_UTILITY,
79 ewmh->_NET_WM_WINDOW_TYPE_TOOLBAR};
81 xcb_ewmh_set_supported(ewmh, default_screen, LENGTH(net_atoms), net_atoms);
83 xcb_intern_atom_reply_t *iar = xcb_intern_atom_reply(dpy, xcb_intern_atom(dpy, 0, strlen("_COMPTON_SHADOW"), "_COMPTON_SHADOW"), NULL);
86 compton_shadow = iar->atom;
90 monitor_uid = desktop_uid = client_uid = rule_uid = 0;
91 mon = last_mon = mon_head = mon_tail = NULL;
93 bool xinerama_is_active = false;
95 if (xcb_get_extension_data(dpy, &xcb_xinerama_id)->present) {
96 xcb_xinerama_is_active_reply_t *xia = xcb_xinerama_is_active_reply(dpy, xcb_xinerama_is_active(dpy), NULL);
98 xinerama_is_active = xia->state;
103 if (xinerama_is_active) {
104 xcb_xinerama_query_screens_reply_t *xsq = xcb_xinerama_query_screens_reply(dpy, xcb_xinerama_query_screens(dpy), NULL);
105 xcb_xinerama_screen_info_t *xsi = xcb_xinerama_query_screens_screen_info(xsq);
106 int n = xcb_xinerama_query_screens_screen_info_length(xsq);
107 for (int i = 0; i < n; i++) {
108 xcb_xinerama_screen_info_t info = xsi[i];
109 xcb_rectangle_t rect = (xcb_rectangle_t) {info.x_org, info.y_org, info.width, info.height};
114 warn("Xinerama is inactive.");
115 xcb_rectangle_t rect = (xcb_rectangle_t) {0, 0, screen_width, screen_height};
119 for (monitor_t *m = mon_head; m != NULL; m = m->next)
120 add_desktop(m, NULL);
122 ewmh_update_number_of_desktops();
123 ewmh_update_desktop_names();
124 ewmh_update_current_desktop();
125 rule_head = rule_tail = NULL;
126 frozen_pointer = make_pointer_state();
127 last_focused_window = XCB_NONE;
128 save_pointer_position(&last_pointer_position);
129 split_mode = MODE_AUTOMATIC;
134 int main(int argc, char *argv[])
137 char socket_path[MAXLEN];
138 char *fifo_path = NULL;
139 int sock_fd, ret_fd, dpy_fd, sel, n;
140 struct sockaddr_un sock_address;
142 char msg[BUFSIZ] = {0};
143 char rsp[BUFSIZ] = {0};
144 xcb_generic_event_t *event;
147 while ((opt = getopt(argc, argv, "vs:")) != -1) {
150 printf("%s\n", VERSION);
160 dpy = xcb_connect(NULL, &default_screen);
162 if (xcb_connection_has_error(dpy))
163 err("Can't open the default display.\n");
167 dpy_fd = xcb_get_file_descriptor(dpy);
169 char *sp = getenv(SOCKET_ENV_VAR);
170 strncpy(socket_path, (sp == NULL ? DEFAULT_SOCKET_PATH : sp), sizeof(socket_path));
172 sock_address.sun_family = AF_UNIX;
173 strncpy(sock_address.sun_path, socket_path, sizeof(sock_address.sun_path));
176 sock_fd = socket(AF_UNIX, SOCK_STREAM, 0);
179 err("Couldn't create the socket.\n");
181 if (bind(sock_fd, (struct sockaddr *) &sock_address, sizeof(sock_address)) == -1)
182 err("Couldn't bind a name to the socket.\n");
184 if (listen(sock_fd, SOMAXCONN) == -1)
185 err("Couldn't listen to the socket.\n");
187 sel = MAX(sock_fd, dpy_fd) + 1;
189 if (fifo_path != NULL) {
190 int fifo_fd = open(fifo_path, O_RDWR | O_NONBLOCK);
192 status_fifo = fdopen(fifo_fd, "w");
194 warn("Couldn't open status fifo.\n");
199 ewmh_update_wm_name();
205 FD_ZERO(&descriptors);
206 FD_SET(sock_fd, &descriptors);
207 FD_SET(dpy_fd, &descriptors);
209 if (select(sel, &descriptors, NULL, NULL, NULL) > 0) {
211 if (FD_ISSET(sock_fd, &descriptors)) {
212 ret_fd = accept(sock_fd, NULL, 0);
213 if (ret_fd > 0 && (n = recv(ret_fd, msg, sizeof(msg), 0)) > 0) {
215 process_message(msg, rsp);
216 rsplen = strlen(rsp);
217 if (rsp[rsplen - 1] == '\n')
218 rsp[--rsplen] = '\0';
219 send(ret_fd, rsp, rsplen, 0);
225 if (FD_ISSET(dpy_fd, &descriptors)) {
226 while ((event = xcb_poll_for_event(dpy)) != NULL) {
234 if (xcb_connection_has_error(dpy))
235 err("The server has closed the connection.\n");
240 if (status_fifo != NULL)
242 xcb_ewmh_connection_wipe(ewmh);