1 /* * Copyright (c) 2012-2013 Bastien Dejean
4 * Redistribution and use in source and binary forms, with or without modification,
5 * are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright notice,
10 * this list of conditions and the following disclaimer in the documentation and/or
11 * other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
17 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #include <sys/select.h>
32 #include <sys/types.h>
34 #include <sys/socket.h>
53 int main(int argc, char *argv[])
56 char socket_path[MAXLEN];
57 char *fifo_path = NULL;
58 config_path[0] = '\0';
60 int sock_fd, ret_fd, dpy_fd, sel, n;
61 struct sockaddr_un sock_address;
63 char msg[BUFSIZ] = {0};
64 char rsp[BUFSIZ] = {0};
65 xcb_generic_event_t *event;
68 while ((opt = getopt(argc, argv, "hvc:s:p:")) != -1) {
71 printf(WM_NAME " [-h|-v|-c CONFIG_PATH|-s PANEL_FIFO|-p PANEL_PREFIX]\n");
75 printf("%s\n", VERSION);
79 snprintf(config_path, sizeof(config_path), "%s", optarg);
85 status_prefix = optarg;
90 if (config_path[0] == '\0') {
91 char *config_home = getenv(CONFIG_HOME_ENV);
92 if (config_home != NULL)
93 snprintf(config_path, sizeof(config_path), "%s/%s/%s", config_home, WM_NAME, CONFIG_NAME);
95 snprintf(config_path, sizeof(config_path), "%s/%s/%s/%s", getenv("HOME"), ".config", WM_NAME, CONFIG_NAME);
98 dpy = xcb_connect(NULL, &default_screen);
100 if (xcb_connection_has_error(dpy))
101 err("Can't open the default display.\n");
105 dpy_fd = xcb_get_file_descriptor(dpy);
107 char *sp = getenv(SOCKET_ENV_VAR);
108 snprintf(socket_path, sizeof(socket_path), "%s", (sp == NULL ? DEFAULT_SOCKET_PATH : sp));
110 sock_address.sun_family = AF_UNIX;
111 snprintf(sock_address.sun_path, sizeof(sock_address.sun_path), "%s", socket_path);
114 sock_fd = socket(AF_UNIX, SOCK_STREAM, 0);
117 err("Couldn't create the socket.\n");
119 if (bind(sock_fd, (struct sockaddr *) &sock_address, sizeof(sock_address)) == -1)
120 err("Couldn't bind a name to the socket.\n");
122 if (listen(sock_fd, SOMAXCONN) == -1)
123 err("Couldn't listen to the socket.\n");
125 sel = MAX(sock_fd, dpy_fd) + 1;
127 if (fifo_path != NULL) {
128 int fifo_fd = open(fifo_path, O_RDWR | O_NONBLOCK);
130 status_fifo = fdopen(fifo_fd, "w");
132 warn("Couldn't open status fifo.\n");
143 FD_ZERO(&descriptors);
144 FD_SET(sock_fd, &descriptors);
145 FD_SET(dpy_fd, &descriptors);
147 if (select(sel, &descriptors, NULL, NULL, NULL) > 0) {
149 if (FD_ISSET(sock_fd, &descriptors)) {
150 ret_fd = accept(sock_fd, NULL, 0);
151 if (ret_fd > 0 && (n = recv(ret_fd, msg, sizeof(msg), 0)) > 0) {
153 if (handle_message(msg, n, rsp)) {
154 rsp_len = strlen(rsp);
155 if (rsp[rsp_len - 1] == '\n')
156 rsp[--rsp_len] = '\0';
158 rsp[0] = MESSAGE_FAILURE;
161 send(ret_fd, rsp, rsp_len, 0);
167 if (FD_ISSET(dpy_fd, &descriptors)) {
168 while ((event = xcb_poll_for_event(dpy)) != NULL) {
176 if (xcb_connection_has_error(dpy))
177 err("The server has closed the connection.\n");
182 if (status_fifo != NULL)
184 xcb_ewmh_connection_wipe(ewmh);
185 xcb_destroy_window(dpy, motion_recorder);
194 num_monitors = num_desktops = num_clients = 0;
195 monitor_uid = desktop_uid = 0;
196 mon = mon_head = mon_tail = pri_mon = NULL;
197 rule_head = rule_tail = NULL;
198 history_head = history_tail = history_needle = NULL;
199 stack_head = stack_tail = NULL;
202 last_motion_time = last_motion_x = last_motion_y = 0;
203 visible = auto_raise = sticky_still = record_history = true;
212 screen = xcb_setup_roots_iterator(xcb_get_setup(dpy)).data;
214 err("Can't acquire the default screen.\n");
218 screen_width = screen->width_in_pixels;
219 screen_height = screen->height_in_pixels;
220 root_depth = screen->root_depth;
222 uint32_t mask = XCB_CW_EVENT_MASK;
223 uint32_t values[] = {XCB_EVENT_MASK_POINTER_MOTION};
224 motion_recorder = xcb_generate_id(dpy);
225 xcb_create_window(dpy, XCB_COPY_FROM_PARENT, motion_recorder, root, 0, 0, screen_width, screen_height, 0, XCB_WINDOW_CLASS_INPUT_ONLY, XCB_COPY_FROM_PARENT, mask, values);
227 xcb_atom_t net_atoms[] = {ewmh->_NET_SUPPORTED,
228 ewmh->_NET_SUPPORTING_WM_CHECK,
229 ewmh->_NET_DESKTOP_NAMES,
230 ewmh->_NET_NUMBER_OF_DESKTOPS,
231 ewmh->_NET_CURRENT_DESKTOP,
232 ewmh->_NET_CLIENT_LIST,
233 ewmh->_NET_ACTIVE_WINDOW,
234 ewmh->_NET_WM_DESKTOP,
236 ewmh->_NET_WM_STATE_FULLSCREEN,
237 ewmh->_NET_WM_STATE_STICKY,
238 ewmh->_NET_WM_STATE_DEMANDS_ATTENTION,
239 ewmh->_NET_WM_WINDOW_TYPE,
240 ewmh->_NET_WM_WINDOW_TYPE_DOCK,
241 ewmh->_NET_WM_WINDOW_TYPE_DESKTOP,
242 ewmh->_NET_WM_WINDOW_TYPE_NOTIFICATION,
243 ewmh->_NET_WM_WINDOW_TYPE_DIALOG,
244 ewmh->_NET_WM_WINDOW_TYPE_UTILITY,
245 ewmh->_NET_WM_WINDOW_TYPE_TOOLBAR};
247 xcb_ewmh_set_supported(ewmh, default_screen, LENGTH(net_atoms), net_atoms);
248 ewmh_set_supporting(motion_recorder);
252 GETATOM(WM_DELETE_WINDOW)
253 GETATOM(WM_TAKE_FOCUS)
254 GETATOM(_BSPWM_FLOATING_WINDOW)
257 const xcb_query_extension_reply_t *qep = xcb_get_extension_data(dpy, &xcb_randr_id);
258 if (qep->present && import_monitors()) {
260 randr_base = qep->first_event;
261 xcb_randr_select_input(dpy, root, XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
264 warn("Couldn't retrieve monitors via RandR.\n");
265 xcb_rectangle_t rect = (xcb_rectangle_t) {0, 0, screen_width, screen_height};
266 monitor_t *m = add_monitor(rect);
267 add_desktop(m, make_desktop(NULL));
270 ewmh_update_number_of_desktops();
271 ewmh_update_desktop_names();
272 ewmh_update_current_desktop();
273 frozen_pointer = make_pointer_state();
274 xcb_get_input_focus_reply_t *ifo = xcb_get_input_focus_reply(dpy, xcb_get_input_focus(dpy), NULL);
275 if (ifo != NULL && (ifo->focus == XCB_INPUT_FOCUS_POINTER_ROOT || ifo->focus == XCB_NONE))
280 void register_events(void)
282 uint32_t values[] = {ROOT_EVENT_MASK};
283 xcb_generic_error_t *e = xcb_request_check(dpy, xcb_change_window_attributes_checked(dpy, root, XCB_CW_EVENT_MASK, values));
286 err("Another window manager is already running.\n");
297 while (mon_head != NULL)
298 remove_monitor(mon_head);
299 while (rule_head != NULL)
300 remove_rule(rule_head);
301 while (stack_head != NULL)
302 remove_stack(stack_head);
304 remove_tag_by_index(num_tags - 1);
306 free(frozen_pointer);
309 void put_status(void)
311 if (status_fifo == NULL)
313 if (status_prefix != NULL)
314 fprintf(status_fifo, "%s", status_prefix);
316 for (monitor_t *m = mon_head; m != NULL; m = m->next) {
317 fprintf(status_fifo, "%c%s:", (mon == m ? 'M' : 'm'), m->name);
318 for (desktop_t *d = m->desk_head; d != NULL; d = d->next, urgent = false) {
319 for (node_t *n = first_extrema(d->root); n != NULL && !urgent; n = next_leaf(n, d->root))
320 urgent |= n->client->urgent;
321 char c = (urgent ? 'u' : (d->root == NULL ? 'f' : 'o'));
324 fprintf(status_fifo, "%c%s:", c, d->name);
327 if (mon != NULL && mon->desk != NULL) {
328 for (int i = 0; i < num_tags; i++)
329 fprintf(status_fifo, "%c%s:", (tags[i]->mask & mon->desk->tags_field) != 0 ? 'T' : 't', tags[i]->name);
330 fprintf(status_fifo, "L%s", (mon->desk->layout == LAYOUT_TILED ? "tiled" : "monocle"));
332 fprintf(status_fifo, "\n");