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 monitor_uid = desktop_uid = client_uid = rule_uid = 0;
84 mon = last_mon = mon_head = mon_tail = NULL;
86 bool xinerama_is_active = false;
88 if (xcb_get_extension_data(dpy, &xcb_xinerama_id)->present) {
89 xcb_xinerama_is_active_reply_t *xia = xcb_xinerama_is_active_reply(dpy, xcb_xinerama_is_active(dpy), NULL);
91 xinerama_is_active = xia->state;
96 if (xinerama_is_active) {
97 xcb_xinerama_query_screens_reply_t *xsq = xcb_xinerama_query_screens_reply(dpy, xcb_xinerama_query_screens(dpy), NULL);
98 xcb_xinerama_screen_info_t *xsi = xcb_xinerama_query_screens_screen_info(xsq);
99 int n = xcb_xinerama_query_screens_screen_info_length(xsq);
100 for (int i = 0; i < n; i++) {
101 xcb_xinerama_screen_info_t info = xsi[i];
102 xcb_rectangle_t rect = (xcb_rectangle_t) {info.x_org, info.y_org, info.width, info.height};
107 warn("Xinerama is inactive.");
108 xcb_rectangle_t rect = (xcb_rectangle_t) {0, 0, screen_width, screen_height};
112 for (monitor_t *m = mon_head; m != NULL; m = m->next)
113 add_desktop(m, NULL);
115 ewmh_update_number_of_desktops();
116 ewmh_update_desktop_names();
117 ewmh_update_current_desktop();
118 rule_head = rule_tail = NULL;
119 frozen_pointer = make_pointer_state();
120 update_pointer_position(&pointer_position);
121 last_entered = XCB_NONE;
122 split_mode = MODE_AUTOMATIC;
127 int main(int argc, char *argv[])
130 char socket_path[MAXLEN];
131 char *fifo_path = NULL;
132 int sock_fd, ret_fd, dpy_fd, sel, n;
133 struct sockaddr_un sock_address;
135 char msg[BUFSIZ] = {0};
136 char rsp[BUFSIZ] = {0};
137 xcb_generic_event_t *event;
140 while ((opt = getopt(argc, argv, "vs:")) != -1) {
143 printf("%s\n", VERSION);
153 dpy = xcb_connect(NULL, &default_screen);
155 if (xcb_connection_has_error(dpy))
156 err("Can't open the default display.\n");
160 dpy_fd = xcb_get_file_descriptor(dpy);
162 char *sp = getenv(SOCKET_ENV_VAR);
163 strncpy(socket_path, (sp == NULL ? DEFAULT_SOCKET_PATH : sp), sizeof(socket_path));
165 sock_address.sun_family = AF_UNIX;
166 strncpy(sock_address.sun_path, socket_path, sizeof(sock_address.sun_path));
169 sock_fd = socket(AF_UNIX, SOCK_STREAM, 0);
172 err("Couldn't create the socket.\n");
174 if (bind(sock_fd, (struct sockaddr *) &sock_address, sizeof(sock_address)) == -1)
175 err("Couldn't bind a name to the socket.\n");
177 if (listen(sock_fd, SOMAXCONN) == -1)
178 err("Couldn't listen to the socket.\n");
180 sel = MAX(sock_fd, dpy_fd) + 1;
182 if (fifo_path != NULL) {
183 int fifo_fd = open(fifo_path, O_RDWR | O_NONBLOCK);
185 status_fifo = fdopen(fifo_fd, "w");
187 warn("Couldn't open status fifo.\n");
192 ewmh_update_wm_name();
198 FD_ZERO(&descriptors);
199 FD_SET(sock_fd, &descriptors);
200 FD_SET(dpy_fd, &descriptors);
202 if (select(sel, &descriptors, NULL, NULL, NULL) > 0) {
204 if (FD_ISSET(sock_fd, &descriptors)) {
205 ret_fd = accept(sock_fd, NULL, 0);
206 if (ret_fd > 0 && (n = recv(ret_fd, msg, sizeof(msg), 0)) > 0) {
208 process_message(msg, rsp);
209 rsplen = strlen(rsp);
210 if (rsp[rsplen - 1] == '\n')
211 rsp[--rsplen] = '\0';
212 send(ret_fd, rsp, rsplen, 0);
218 if (FD_ISSET(dpy_fd, &descriptors)) {
219 while ((event = xcb_poll_for_event(dpy)) != NULL) {
227 if (xcb_connection_has_error(dpy))
228 err("The server has closed the connection.\n");
233 if (status_fifo != NULL)
235 xcb_ewmh_connection_wipe(ewmh);