X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=bspwm.c;h=344e1f43f72ccdbfae29396d84bbbd7d37aef017;hb=ed4057b9679bdd6ec2ef11b843bb38a121473d89;hp=45506740a7f8159cfde9f6c390dd2774dd4b9f43;hpb=59f6c2c67a74f1493c01d1ef334a66bccfb86bba;p=bspwm.git diff --git a/bspwm.c b/bspwm.c index 4550674..344e1f4 100644 --- a/bspwm.c +++ b/bspwm.c @@ -1,240 +1,397 @@ -#include +/* Copyright (c) 2012, Bastien Dejean + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + #include +#include #include -#include -#include -#include -#include -#include #include -#include +#ifdef __OpenBSD__ +#include +#endif #include -#include -#include -#include +#include +#include +#include +#include #include #include "types.h" +#include "desktop.h" +#include "monitor.h" #include "settings.h" #include "messages.h" -#include "rules.h" +#include "subscribe.h" #include "events.h" #include "common.h" -#include "helpers.h" #include "window.h" -#include "bspwm.h" -#include "tree.h" +#include "history.h" +#include "stack.h" #include "ewmh.h" +#include "rule.h" +#include "bspwm.h" + +int main(int argc, char *argv[]) +{ + fd_set descriptors; + char socket_path[MAXLEN]; + config_path[0] = '\0'; + int sock_fd, cli_fd, dpy_fd, max_fd, n; + struct sockaddr_un sock_address; + char msg[BUFSIZ] = {0}; + xcb_generic_event_t *event; + char opt; + + while ((opt = getopt(argc, argv, "hvc:")) != (char)-1) { + switch (opt) { + case 'h': + printf(WM_NAME " [-h|-v|-c CONFIG_PATH]\n"); + exit(EXIT_SUCCESS); + break; + case 'v': + printf("%s\n", VERSION); + exit(EXIT_SUCCESS); + break; + case 'c': + snprintf(config_path, sizeof(config_path), "%s", optarg); + break; + } + } + + if (config_path[0] == '\0') { + char *config_home = getenv(CONFIG_HOME_ENV); + if (config_home != NULL) + snprintf(config_path, sizeof(config_path), "%s/%s/%s", config_home, WM_NAME, CONFIG_NAME); + else + snprintf(config_path, sizeof(config_path), "%s/%s/%s/%s", getenv("HOME"), ".config", WM_NAME, CONFIG_NAME); + } + + dpy = xcb_connect(NULL, &default_screen); + + if (!check_connection(dpy)) + exit(EXIT_FAILURE); + + load_settings(); + setup(); + + dpy_fd = xcb_get_file_descriptor(dpy); + + char *sp = getenv(SOCKET_ENV_VAR); + if (sp != NULL) { + snprintf(socket_path, sizeof(socket_path), "%s", sp); + } else { + char *host = NULL; + int dn = 0, sn = 0; + if (xcb_parse_display(NULL, &host, &dn, &sn) != 0) + snprintf(socket_path, sizeof(socket_path), SOCKET_PATH_TPL, host, dn, sn); + free(host); + } + + sock_address.sun_family = AF_UNIX; + snprintf(sock_address.sun_path, sizeof(sock_address.sun_path), "%s", socket_path); + + sock_fd = socket(AF_UNIX, SOCK_STREAM, 0); + + if (sock_fd == -1) + err("Couldn't create the socket.\n"); + + if (bind(sock_fd, (struct sockaddr *) &sock_address, sizeof(sock_address)) == -1) + err("Couldn't bind a name to the socket.\n"); + + if (listen(sock_fd, SOMAXCONN) == -1) + err("Couldn't listen to the socket.\n"); + + signal(SIGINT, sig_handler); + signal(SIGHUP, sig_handler); + signal(SIGTERM, sig_handler); + signal(SIGCHLD, sig_handler); + signal(SIGPIPE, SIG_IGN); + run_config(); + running = true; + + while (running) { + + xcb_flush(dpy); + + FD_ZERO(&descriptors); + FD_SET(sock_fd, &descriptors); + FD_SET(dpy_fd, &descriptors); + max_fd = MAX(sock_fd, dpy_fd); + for (pending_rule_t *pr = pending_rule_head; pr != NULL; pr = pr->next) { + FD_SET(pr->fd, &descriptors); + if (pr->fd > max_fd) + max_fd = pr->fd; + } + + if (select(max_fd + 1, &descriptors, NULL, NULL, NULL) > 0) { + + pending_rule_t *pr = pending_rule_head; + while (pr != NULL) { + pending_rule_t *next = pr->next; + if (FD_ISSET(pr->fd, &descriptors)) { + manage_window(pr->win, pr->csq, pr->fd); + remove_pending_rule(pr); + } + pr = next; + } + + if (FD_ISSET(sock_fd, &descriptors)) { + cli_fd = accept(sock_fd, NULL, 0); + if (cli_fd > 0 && (n = recv(cli_fd, msg, sizeof(msg), 0)) > 0) { + msg[n] = '\0'; + FILE *rsp = fdopen(cli_fd, "w"); + if (rsp != NULL) { + int ret = handle_message(msg, n, rsp); + if (ret == MSG_SUBSCRIBE) { + add_subscriber(rsp); + } else { + if (ret != MSG_SUCCESS) + fprintf(rsp, "%c", ret); + fflush(rsp); + fclose(rsp); + } + } else { + warn("Can't open the client socket as file.\n"); + close(cli_fd); + } + } + } + + if (FD_ISSET(dpy_fd, &descriptors)) { + while ((event = xcb_poll_for_event(dpy)) != NULL) { + handle_event(event); + free(event); + } + } + } + + if (!check_connection(dpy)) + running = false; + } + + cleanup(); + close(sock_fd); + unlink(socket_path); + xcb_ewmh_connection_wipe(ewmh); + xcb_destroy_window(dpy, motion_recorder); + free(ewmh); + xcb_flush(dpy); + xcb_disconnect(dpy); + return exit_status; +} -void quit(void) +void init(void) { - running = false; + num_monitors = num_desktops = num_clients = 0; + monitor_uid = desktop_uid = 0; + mon = mon_head = mon_tail = pri_mon = NULL; + history_head = history_tail = history_needle = NULL; + rule_head = rule_tail = NULL; + stack_head = stack_tail = NULL; + subscribe_head = subscribe_tail = NULL; + pending_rule_head = pending_rule_tail = NULL; + last_motion_time = last_motion_x = last_motion_y = 0; + visible = auto_raise = sticky_still = record_history = true; + randr_base = 0; + exit_status = 0; } -void cleanup(void) +void setup(void) { - while (mon_head != NULL) - remove_monitor(mon_head); - while (rule_head != NULL) - remove_rule(rule_head); - free(frozen_pointer); + init(); + ewmh_init(); + screen = xcb_setup_roots_iterator(xcb_get_setup(dpy)).data; + if (screen == NULL) + err("Can't acquire the default screen.\n"); + root = screen->root; + register_events(); + + screen_width = screen->width_in_pixels; + screen_height = screen->height_in_pixels; + root_depth = screen->root_depth; + + uint32_t mask = XCB_CW_EVENT_MASK; + uint32_t values[] = {XCB_EVENT_MASK_POINTER_MOTION}; + motion_recorder = xcb_generate_id(dpy); + 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); + + xcb_atom_t net_atoms[] = {ewmh->_NET_SUPPORTED, + ewmh->_NET_SUPPORTING_WM_CHECK, + ewmh->_NET_DESKTOP_NAMES, + ewmh->_NET_NUMBER_OF_DESKTOPS, + ewmh->_NET_CURRENT_DESKTOP, + ewmh->_NET_CLIENT_LIST, + ewmh->_NET_ACTIVE_WINDOW, + ewmh->_NET_CLOSE_WINDOW, + ewmh->_NET_WM_DESKTOP, + ewmh->_NET_WM_STATE, + ewmh->_NET_WM_STATE_FULLSCREEN, + ewmh->_NET_WM_STATE_STICKY, + ewmh->_NET_WM_STATE_DEMANDS_ATTENTION, + ewmh->_NET_WM_WINDOW_TYPE, + ewmh->_NET_WM_WINDOW_TYPE_DOCK, + ewmh->_NET_WM_WINDOW_TYPE_DESKTOP, + ewmh->_NET_WM_WINDOW_TYPE_NOTIFICATION, + ewmh->_NET_WM_WINDOW_TYPE_DIALOG, + ewmh->_NET_WM_WINDOW_TYPE_UTILITY, + ewmh->_NET_WM_WINDOW_TYPE_TOOLBAR}; + + xcb_ewmh_set_supported(ewmh, default_screen, LENGTH(net_atoms), net_atoms); + ewmh_set_supporting(motion_recorder); + +#define GETATOM(a) \ + get_atom(#a, &a); + GETATOM(WM_DELETE_WINDOW) + GETATOM(WM_TAKE_FOCUS) + GETATOM(_BSPWM_FLOATING_WINDOW) +#undef GETATOM + + const xcb_query_extension_reply_t *qep = xcb_get_extension_data(dpy, &xcb_randr_id); + if (qep->present && update_monitors()) { + randr = true; + randr_base = qep->first_event; + xcb_randr_select_input(dpy, root, XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE); + } else { + randr = false; + warn("Couldn't retrieve monitors via RandR.\n"); + bool xinerama_is_active = false; + if (xcb_get_extension_data(dpy, &xcb_xinerama_id)->present) { + xcb_xinerama_is_active_reply_t *xia = xcb_xinerama_is_active_reply(dpy, xcb_xinerama_is_active(dpy), NULL); + if (xia != NULL) { + xinerama_is_active = xia->state; + free(xia); + } + } + + if (xinerama_is_active) { + xcb_xinerama_query_screens_reply_t *xsq = xcb_xinerama_query_screens_reply(dpy, xcb_xinerama_query_screens(dpy), NULL); + xcb_xinerama_screen_info_t *xsi = xcb_xinerama_query_screens_screen_info(xsq); + int n = xcb_xinerama_query_screens_screen_info_length(xsq); + for (int i = 0; i < n; i++) { + xcb_xinerama_screen_info_t info = xsi[i]; + xcb_rectangle_t rect = (xcb_rectangle_t) {info.x_org, info.y_org, info.width, info.height}; + monitor_t *m = add_monitor(rect); + add_desktop(m, make_desktop(NULL)); + } + free(xsq); + } else { + warn("Xinerama is inactive.\n"); + xcb_rectangle_t rect = (xcb_rectangle_t) {0, 0, screen_width, screen_height}; + monitor_t *m = add_monitor(rect); + add_desktop(m, make_desktop(NULL)); + } + } + + ewmh_update_number_of_desktops(); + ewmh_update_desktop_names(); + ewmh_update_current_desktop(); + frozen_pointer = make_pointer_state(); + xcb_get_input_focus_reply_t *ifo = xcb_get_input_focus_reply(dpy, xcb_get_input_focus(dpy), NULL); + if (ifo != NULL && (ifo->focus == XCB_INPUT_FOCUS_POINTER_ROOT || ifo->focus == XCB_NONE)) + clear_input_focus(); + free(ifo); } void register_events(void) { - uint32_t values[] = {ROOT_EVENT_MASK}; - xcb_generic_error_t *e = xcb_request_check(dpy, xcb_change_window_attributes_checked(dpy, root, XCB_CW_EVENT_MASK, values)); - if (e != NULL) { - xcb_disconnect(dpy); - err("Another window manager is already running.\n"); - } + uint32_t values[] = {ROOT_EVENT_MASK}; + xcb_generic_error_t *e = xcb_request_check(dpy, xcb_change_window_attributes_checked(dpy, root, XCB_CW_EVENT_MASK, values)); + if (e != NULL) { + xcb_disconnect(dpy); + err("Another window manager is already running.\n"); + } } -void setup(void) +void cleanup(void) { - ewmh_init(); - screen = xcb_setup_roots_iterator(xcb_get_setup(dpy)).data; - if (!screen) - err("Can't acquire the default screen.\n"); - root = screen->root; - register_events(); - - screen_width = screen->width_in_pixels; - screen_height = screen->height_in_pixels; - root_depth = screen->root_depth; - - xcb_atom_t net_atoms[] = {ewmh->_NET_SUPPORTED, - ewmh->_NET_DESKTOP_NAMES, - ewmh->_NET_NUMBER_OF_DESKTOPS, - ewmh->_NET_CURRENT_DESKTOP, - ewmh->_NET_CLIENT_LIST, - ewmh->_NET_ACTIVE_WINDOW, - ewmh->_NET_WM_DESKTOP, - ewmh->_NET_WM_STATE, - ewmh->_NET_WM_STATE_FULLSCREEN, - ewmh->_NET_WM_WINDOW_TYPE, - ewmh->_NET_WM_WINDOW_TYPE_DOCK, - ewmh->_NET_WM_WINDOW_TYPE_NOTIFICATION, - ewmh->_NET_WM_WINDOW_TYPE_DIALOG, - ewmh->_NET_WM_WINDOW_TYPE_UTILITY, - ewmh->_NET_WM_WINDOW_TYPE_TOOLBAR}; - - xcb_ewmh_set_supported(ewmh, default_screen, LENGTH(net_atoms), net_atoms); - - monitor_uid = desktop_uid = client_uid = rule_uid = 0; - mon = last_mon = mon_head = mon_tail = NULL; - - bool xinerama_is_active = false; - - if (xcb_get_extension_data(dpy, &xcb_xinerama_id)->present) { - xcb_xinerama_is_active_reply_t *xia = xcb_xinerama_is_active_reply(dpy, xcb_xinerama_is_active(dpy), NULL); - if (xia != NULL) { - xinerama_is_active = xia->state; - free(xia); - } - } - - if (xinerama_is_active) { - xcb_xinerama_query_screens_reply_t *xsq = xcb_xinerama_query_screens_reply(dpy, xcb_xinerama_query_screens(dpy), NULL); - xcb_xinerama_screen_info_t *xsi = xcb_xinerama_query_screens_screen_info(xsq); - int n = xcb_xinerama_query_screens_screen_info_length(xsq); - for (int i = 0; i < n; i++) { - xcb_xinerama_screen_info_t info = xsi[i]; - xcb_rectangle_t rect = (xcb_rectangle_t) {info.x_org, info.y_org, info.width, info.height}; - add_monitor(&rect); - } - free(xsq); - } else { - warn("Xinerama is inactive."); - xcb_rectangle_t rect = (xcb_rectangle_t) {0, 0, screen_width, screen_height}; - add_monitor(&rect); - } - - for (monitor_t *m = mon_head; m != NULL; m = m->next) - add_desktop(m, NULL); - - ewmh_update_number_of_desktops(); - ewmh_update_desktop_names(); - ewmh_update_current_desktop(); - rule_head = rule_tail = NULL; - frozen_pointer = make_pointer_state(); - update_pointer_position(&pointer_position); - last_entered = XCB_NONE; - split_mode = MODE_AUTOMATIC; - visible = true; - exit_status = 0; + while (mon_head != NULL) + remove_monitor(mon_head); + while (rule_head != NULL) + remove_rule(rule_head); + while (stack_head != NULL) + remove_stack(stack_head); + while (subscribe_head != NULL) + remove_subscriber(subscribe_head); + while (pending_rule_head != NULL) + remove_pending_rule(pending_rule_head); + empty_history(); + free(frozen_pointer); } -int main(int argc, char *argv[]) +void put_status(void) +{ + subscriber_list_t *sb = subscribe_head; + while (sb != NULL) { + subscriber_list_t *next = sb->next; + if (print_status(sb->stream) != 0) + remove_subscriber(sb); + sb = next; + } +} + +bool check_connection (xcb_connection_t *dpy) +{ + int xerr; + if ((xerr = xcb_connection_has_error(dpy)) != 0) { + warn("The server closed the connection: "); + switch (xerr) { + case XCB_CONN_ERROR: + warn("socket, pipe or stream error.\n"); + break; + case XCB_CONN_CLOSED_EXT_NOTSUPPORTED: + warn("unsupported extension.\n"); + break; + case XCB_CONN_CLOSED_MEM_INSUFFICIENT: + warn("not enough memory.\n"); + break; + case XCB_CONN_CLOSED_REQ_LEN_EXCEED: + warn("request length exceeded.\n"); + break; + case XCB_CONN_CLOSED_PARSE_ERR: + warn("can't parse display string.\n"); + break; + case XCB_CONN_CLOSED_INVALID_SCREEN: + warn("invalid screen.\n"); + break; + case XCB_CONN_CLOSED_FDPASSING_FAILED: + warn("failed to pass FD.\n"); + break; + default: + warn("unknown error.\n"); + break; + } + return false; + } else { + return true; + } +} + +void sig_handler(int sig) { - fd_set descriptors; - char socket_path[MAXLEN]; - char *fifo_path = NULL; - int sock_fd, ret_fd, dpy_fd, sel, n; - struct sockaddr_un sock_address; - size_t rsplen = 0; - char msg[BUFSIZ] = {0}; - char rsp[BUFSIZ] = {0}; - xcb_generic_event_t *event; - char opt; - - while ((opt = getopt(argc, argv, "vs:")) != -1) { - switch (opt) { - case 'v': - printf("%s\n", VERSION); - exit(EXIT_SUCCESS); - break; - case 's': - fifo_path = optarg; - break; - } - } - - running = true; - dpy = xcb_connect(NULL, &default_screen); - - if (xcb_connection_has_error(dpy)) - err("Can't open the default display.\n"); - - setup(); - - dpy_fd = xcb_get_file_descriptor(dpy); - - char *sp = getenv(SOCKET_ENV_VAR); - strncpy(socket_path, (sp == NULL ? DEFAULT_SOCKET_PATH : sp), sizeof(socket_path)); - - sock_address.sun_family = AF_UNIX; - strncpy(sock_address.sun_path, socket_path, sizeof(sock_address.sun_path)); - unlink(socket_path); - - sock_fd = socket(AF_UNIX, SOCK_STREAM, 0); - - if (sock_fd == -1) - err("Couldn't create the socket.\n"); - - if (bind(sock_fd, (struct sockaddr *) &sock_address, sizeof(sock_address)) == -1) - err("Couldn't bind a name to the socket.\n"); - - if (listen(sock_fd, SOMAXCONN) == -1) - err("Couldn't listen to the socket.\n"); - - sel = MAX(sock_fd, dpy_fd) + 1; - - if (fifo_path != NULL) { - int fifo_fd = open(fifo_path, O_RDWR | O_NONBLOCK); - if (fifo_fd != -1) - status_fifo = fdopen(fifo_fd, "w"); - else - warn("Couldn't open status fifo.\n"); - } - - load_settings(); - run_autostart(); - ewmh_update_wm_name(); - - while (running) { - - xcb_flush(dpy); - - FD_ZERO(&descriptors); - FD_SET(sock_fd, &descriptors); - FD_SET(dpy_fd, &descriptors); - - if (select(sel, &descriptors, NULL, NULL, NULL) > 0) { - - if (FD_ISSET(sock_fd, &descriptors)) { - ret_fd = accept(sock_fd, NULL, 0); - if (ret_fd > 0 && (n = recv(ret_fd, msg, sizeof(msg), 0)) > 0) { - msg[n] = '\0'; - process_message(msg, rsp); - rsplen = strlen(rsp); - if (rsp[rsplen - 1] == '\n') - rsp[--rsplen] = '\0'; - send(ret_fd, rsp, rsplen, 0); - close(ret_fd); - rsp[0] = '\0'; - } - } - - if (FD_ISSET(dpy_fd, &descriptors)) { - while ((event = xcb_poll_for_event(dpy)) != NULL) { - handle_event(event); - free(event); - } - } - - } - - if (xcb_connection_has_error(dpy)) - err("The server has closed the connection.\n"); - } - - cleanup(); - close(sock_fd); - if (status_fifo != NULL) - fclose(status_fifo); - xcb_ewmh_connection_wipe(ewmh); - free(ewmh); - xcb_flush(dpy); - xcb_disconnect(dpy); - return exit_status; + if (sig == SIGCHLD) { + signal(sig, sig_handler); + while (waitpid(-1, 0, WNOHANG) > 0) + ; + } else if (sig == SIGINT || sig == SIGHUP || sig == SIGTERM) { + running = false; + } }