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.
28 #include <sys/select.h>
30 #include <sys/types.h>
32 #include <sys/socket.h>
41 #include "subscribe.h"
50 int main(int argc, char *argv[])
53 char socket_path[MAXLEN];
54 config_path[0] = '\0';
55 int sock_fd, ret_fd, dpy_fd, sel, n;
56 struct sockaddr_un sock_address;
58 char msg[BUFSIZ] = {0};
59 char rsp[BUFSIZ] = {0};
60 xcb_generic_event_t *event;
63 while ((opt = getopt(argc, argv, "hvc:")) != -1) {
66 printf(WM_NAME " [-h|-v|-c CONFIG_PATH]\n");
70 printf("%s\n", VERSION);
74 snprintf(config_path, sizeof(config_path), "%s", optarg);
79 if (config_path[0] == '\0') {
80 char *config_home = getenv(CONFIG_HOME_ENV);
81 if (config_home != NULL)
82 snprintf(config_path, sizeof(config_path), "%s/%s/%s", config_home, WM_NAME, CONFIG_NAME);
84 snprintf(config_path, sizeof(config_path), "%s/%s/%s/%s", getenv("HOME"), ".config", WM_NAME, CONFIG_NAME);
87 dpy = xcb_connect(NULL, &default_screen);
89 if (xcb_connection_has_error(dpy))
90 err("Can't open the default display.\n");
94 dpy_fd = xcb_get_file_descriptor(dpy);
96 char *sp = getenv(SOCKET_ENV_VAR);
97 snprintf(socket_path, sizeof(socket_path), "%s", (sp == NULL ? DEFAULT_SOCKET_PATH : sp));
99 sock_address.sun_family = AF_UNIX;
100 snprintf(sock_address.sun_path, sizeof(sock_address.sun_path), "%s", socket_path);
103 sock_fd = socket(AF_UNIX, SOCK_STREAM, 0);
106 err("Couldn't create the socket.\n");
108 if (bind(sock_fd, (struct sockaddr *) &sock_address, sizeof(sock_address)) == -1)
109 err("Couldn't bind a name to the socket.\n");
111 if (listen(sock_fd, SOMAXCONN) == -1)
112 err("Couldn't listen to the socket.\n");
114 sel = MAX(sock_fd, dpy_fd) + 1;
116 signal(SIGPIPE, SIG_IGN);
125 FD_ZERO(&descriptors);
126 FD_SET(sock_fd, &descriptors);
127 FD_SET(dpy_fd, &descriptors);
129 if (select(sel, &descriptors, NULL, NULL, NULL) > 0) {
131 if (FD_ISSET(sock_fd, &descriptors)) {
132 ret_fd = accept(sock_fd, NULL, 0);
133 if (ret_fd > 0 && (n = recv(ret_fd, msg, sizeof(msg), 0)) > 0) {
135 if (handle_message(msg, n, rsp)) {
136 rsp_len = strlen(rsp);
137 if (rsp[rsp_len - 1] == '\n')
138 rsp[--rsp_len] = '\0';
140 rsp[0] = MESSAGE_FAILURE;
143 if (rsp_len == 1 && rsp[0] == MESSAGE_SUBSCRIBE) {
144 add_subscriber(ret_fd);
146 send(ret_fd, rsp, rsp_len, 0);
153 if (FD_ISSET(dpy_fd, &descriptors)) {
154 while ((event = xcb_poll_for_event(dpy)) != NULL) {
162 if (xcb_connection_has_error(dpy))
163 err("The server has closed the connection.\n");
168 xcb_ewmh_connection_wipe(ewmh);
169 xcb_destroy_window(dpy, motion_recorder);
178 num_monitors = num_desktops = num_clients = 0;
179 monitor_uid = desktop_uid = 0;
180 mon = mon_head = mon_tail = pri_mon = NULL;
181 history_head = history_tail = history_needle = NULL;
182 stack_head = stack_tail = NULL;
183 subscribe_head = subscribe_tail = NULL;
184 last_motion_time = last_motion_x = last_motion_y = 0;
185 visible = auto_raise = sticky_still = record_history = true;
194 screen = xcb_setup_roots_iterator(xcb_get_setup(dpy)).data;
196 err("Can't acquire the default screen.\n");
200 screen_width = screen->width_in_pixels;
201 screen_height = screen->height_in_pixels;
202 root_depth = screen->root_depth;
204 uint32_t mask = XCB_CW_EVENT_MASK;
205 uint32_t values[] = {XCB_EVENT_MASK_POINTER_MOTION};
206 motion_recorder = xcb_generate_id(dpy);
207 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);
209 xcb_atom_t net_atoms[] = {ewmh->_NET_SUPPORTED,
210 ewmh->_NET_SUPPORTING_WM_CHECK,
211 ewmh->_NET_DESKTOP_NAMES,
212 ewmh->_NET_NUMBER_OF_DESKTOPS,
213 ewmh->_NET_CURRENT_DESKTOP,
214 ewmh->_NET_CLIENT_LIST,
215 ewmh->_NET_ACTIVE_WINDOW,
216 ewmh->_NET_CLOSE_WINDOW,
217 ewmh->_NET_WM_DESKTOP,
219 ewmh->_NET_WM_STATE_FULLSCREEN,
220 ewmh->_NET_WM_STATE_STICKY,
221 ewmh->_NET_WM_STATE_DEMANDS_ATTENTION,
222 ewmh->_NET_WM_WINDOW_TYPE,
223 ewmh->_NET_WM_WINDOW_TYPE_DOCK,
224 ewmh->_NET_WM_WINDOW_TYPE_DESKTOP,
225 ewmh->_NET_WM_WINDOW_TYPE_NOTIFICATION,
226 ewmh->_NET_WM_WINDOW_TYPE_DIALOG,
227 ewmh->_NET_WM_WINDOW_TYPE_UTILITY,
228 ewmh->_NET_WM_WINDOW_TYPE_TOOLBAR};
230 xcb_ewmh_set_supported(ewmh, default_screen, LENGTH(net_atoms), net_atoms);
231 ewmh_set_supporting(motion_recorder);
235 GETATOM(WM_DELETE_WINDOW)
236 GETATOM(WM_TAKE_FOCUS)
237 GETATOM(_BSPWM_FLOATING_WINDOW)
238 GETATOM(_NET_WM_WINDOW_OPACITY)
241 const xcb_query_extension_reply_t *qep = xcb_get_extension_data(dpy, &xcb_randr_id);
242 if (qep->present && import_monitors()) {
244 randr_base = qep->first_event;
245 xcb_randr_select_input(dpy, root, XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE);
248 warn("Couldn't retrieve monitors via RandR.\n");
249 xcb_rectangle_t rect = (xcb_rectangle_t) {0, 0, screen_width, screen_height};
250 monitor_t *m = add_monitor(rect);
251 add_desktop(m, make_desktop(NULL));
254 ewmh_update_number_of_desktops();
255 ewmh_update_desktop_names();
256 ewmh_update_current_desktop();
257 frozen_pointer = make_pointer_state();
258 xcb_get_input_focus_reply_t *ifo = xcb_get_input_focus_reply(dpy, xcb_get_input_focus(dpy), NULL);
259 if (ifo != NULL && (ifo->focus == XCB_INPUT_FOCUS_POINTER_ROOT || ifo->focus == XCB_NONE))
264 void register_events(void)
266 uint32_t values[] = {ROOT_EVENT_MASK};
267 xcb_generic_error_t *e = xcb_request_check(dpy, xcb_change_window_attributes_checked(dpy, root, XCB_CW_EVENT_MASK, values));
270 err("Another window manager is already running.\n");
281 while (mon_head != NULL)
282 remove_monitor(mon_head);
283 while (stack_head != NULL)
284 remove_stack(stack_head);
285 while (subscribe_head != NULL)
286 remove_subscriber(subscribe_head);
288 free(frozen_pointer);
291 void put_status(void)
293 subscriber_list_t *sb = subscribe_head;
295 subscriber_list_t *next = sb->next;