X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=bspwm.c;h=680ea6b5aa2418f2bc9d67c3ef891a8f090c4f76;hb=a2311c3df49407884ab070ef8096204684f877a3;hp=425e01468d8232b69938c778383fc1ca7feb05eb;hpb=2a2bdc37f8d5c483844fe61954d27dbd11bfd379;p=bspwm.git diff --git a/bspwm.c b/bspwm.c index 425e014..680ea6b 100644 --- a/bspwm.c +++ b/bspwm.c @@ -1,183 +1,123 @@ -#include +/* * Copyright (c) 2012-2013 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: + * + * * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * * 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 HOLDER 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" - -void quit(void) -{ - running = false; -} - -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, screen->root, XCB_CW_EVENT_MASK, values)); - if (e != NULL) { - xcb_disconnect(dpy); - err("another wm is already running\n"); - } -} - -void grab_buttons(void) -{ - xcb_grab_button(dpy, false, screen->root, XCB_EVENT_MASK_BUTTON_PRESS, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_NONE, XCB_NONE, XCB_BUTTON_INDEX_1, button_modifier); - xcb_grab_button(dpy, false, screen->root, XCB_EVENT_MASK_BUTTON_PRESS, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_NONE, XCB_NONE, XCB_BUTTON_INDEX_2, button_modifier); - xcb_grab_button(dpy, false, screen->root, XCB_EVENT_MASK_BUTTON_PRESS, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_NONE, XCB_NONE, XCB_BUTTON_INDEX_3, button_modifier); - xcb_grab_button(dpy, false, screen->root, XCB_EVENT_MASK_BUTTON_PRESS, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_NONE, XCB_NONE, XCB_BUTTON_INDEX_1, button_modifier | XCB_MOD_MASK_LOCK); - xcb_grab_button(dpy, false, screen->root, XCB_EVENT_MASK_BUTTON_PRESS, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_NONE, XCB_NONE, XCB_BUTTON_INDEX_2, button_modifier | XCB_MOD_MASK_LOCK); - xcb_grab_button(dpy, false, screen->root, XCB_EVENT_MASK_BUTTON_PRESS, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_NONE, XCB_NONE, XCB_BUTTON_INDEX_3, button_modifier | XCB_MOD_MASK_LOCK); -} - -void ungrab_buttons(void) -{ - xcb_ungrab_button(dpy, XCB_BUTTON_INDEX_1, screen->root, button_modifier); - xcb_ungrab_button(dpy, XCB_BUTTON_INDEX_2, screen->root, button_modifier); - xcb_ungrab_button(dpy, XCB_BUTTON_INDEX_3, screen->root, button_modifier); -} - -void setup(void) -{ - ewmh_init(); - screen = xcb_setup_roots_iterator(xcb_get_setup(dpy)).data; - if (!screen) - err("can't acquire screen\n"); - 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 = 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); - PRINTF("number of monitors: %d\n", n); - 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 = make_rule(); - frozen_pointer = make_pointer_state(); - get_pointer_position(&pointer_position); - split_mode = MODE_AUTOMATIC; -} +#include "rule.h" +#include "bspwm.h" int main(int argc, char *argv[]) { - if (argc == 2 && strcmp(argv[1], "-v") == 0) { - printf("%s\n", VERSION); - exit(EXIT_SUCCESS); - } - fd_set descriptors; char socket_path[MAXLEN]; - int sock_fd, ret_fd, dpy_fd, sel, n; + config_path[0] = '\0'; + int sock_fd, cli_fd, dpy_fd, max_fd, n; struct sockaddr_un sock_address; - size_t rsplen = 0; + size_t rsp_len = 0; char msg[BUFSIZ] = {0}; char rsp[BUFSIZ] = {0}; - xcb_generic_event_t *event; + char opt; + + while ((opt = getopt(argc, argv, "hvc:")) != -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; + } + } - running = true; + 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 (xcb_connection_has_error(dpy)) - err("can't open display\n"); + 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)); + snprintf(socket_path, sizeof(socket_path), "%s", (sp == NULL ? DEFAULT_SOCKET_PATH : sp)); sock_address.sun_family = AF_UNIX; - strncpy(sock_address.sun_path, socket_path, sizeof(sock_address.sun_path)); + snprintf(sock_address.sun_path, sizeof(sock_address.sun_path), "%s", socket_path); unlink(socket_path); sock_fd = socket(AF_UNIX, SOCK_STREAM, 0); if (sock_fd == -1) - err("couldn't create socket\n"); + err("Couldn't create the socket.\n"); - bind(sock_fd, (struct sockaddr *) &sock_address, sizeof(sock_address)); - listen(sock_fd, SOMAXCONN); + if (bind(sock_fd, (struct sockaddr *) &sock_address, sizeof(sock_address)) == -1) + err("Couldn't bind a name to the socket.\n"); - sel = MAX(sock_fd, dpy_fd) + 1; + if (listen(sock_fd, SOMAXCONN) == -1) + err("Couldn't listen to the socket.\n"); + signal(SIGCHLD, sig_handler); + signal(SIGPIPE, SIG_IGN); load_settings(); - run_autostart(); - grab_buttons(); - ewmh_update_wm_name(); + run_config(); + running = true; while (running) { @@ -186,19 +126,41 @@ int main(int argc, char *argv[]) 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(sel, &descriptors, NULL, NULL, NULL)) { + 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)) { - ret_fd = accept(sock_fd, NULL, 0); - if (ret_fd > 0 && (n = recv(ret_fd, msg, sizeof(msg), 0)) > 0) { + cli_fd = accept(sock_fd, NULL, 0); + if (cli_fd > 0 && (n = recv(cli_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); + if (handle_message(msg, n, rsp)) { + rsp_len = strlen(rsp); + } else { + rsp[0] = MESSAGE_FAILURE; + rsp_len = 1; + } + if (rsp_len == 1 && rsp[0] == MESSAGE_SUBSCRIBE) { + add_subscriber(cli_fd); + } else { + send(cli_fd, rsp, rsp_len, 0); + close(cli_fd); + } rsp[0] = '\0'; } } @@ -209,18 +171,154 @@ int main(int argc, char *argv[]) free(event); } } - } - if (xcb_connection_has_error(dpy)) { - err("connection has errors\n"); - } + if (xcb_connection_has_error(dpy)) + err("The server has closed the connection.\n"); } + cleanup(); close(sock_fd); xcb_ewmh_connection_wipe(ewmh); + xcb_destroy_window(dpy, motion_recorder); free(ewmh); xcb_flush(dpy); xcb_disconnect(dpy); - return 0; + return exit_status; +} + +void init(void) +{ + 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; + 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 setup(void) +{ + 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) + GETATOM(_NET_WM_WINDOW_OPACITY) +#undef GETATOM + + const xcb_query_extension_reply_t *qep = xcb_get_extension_data(dpy, &xcb_randr_id); + if (qep->present && import_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"); + 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"); + } +} + +void quit(void) +{ + running = false; +} + +void cleanup(void) +{ + while (mon_head != NULL) + remove_monitor(mon_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); +} + +void put_status(void) +{ + subscriber_list_t *sb = subscribe_head; + while (sb != NULL) { + subscriber_list_t *next = sb->next; + feed_subscriber(sb); + sb = next; + } +} + +void sig_handler(int sig) +{ + signal(sig, sig_handler); + if (sig == SIGCHLD) + while (waitpid(-1, 0, WNOHANG) > 0) + ; }