/* * vim:ts=4:sw=4:expandtab * * i3 - an improved dynamic tiling window manager * © 2009 Michael Stapelberg and contributors (see also: LICENSE) * * i3-config-wizard: Program to convert configs using keycodes to configs using * keysyms. * */ #include #include "libi3.h" #if defined(__FreeBSD__) #include #endif /* For systems without getline, fall back to fgetln */ #if defined(__APPLE__) #define USE_FGETLN #elif defined(__FreeBSD__) /* Defining this macro before including stdio.h is necessary in order to have * a prototype for getline in FreeBSD. */ #define _WITH_GETLINE #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define SN_API_NOT_YET_FROZEN 1 #include #include #include #include /* We need SYSCONFDIR for the path to the keycode config template, so raise an * error if it’s not defined for whatever reason */ #ifndef SYSCONFDIR #error "SYSCONFDIR not defined" #endif #define FREE(pointer) \ do { \ free(pointer); \ pointer = NULL; \ } while (0) #include "xcb.h" xcb_visualtype_t *visual_type = NULL; #define TEXT_PADDING logical_px(4) #define WIN_POS_X logical_px(490) #define WIN_POS_Y logical_px(297) #define WIN_WIDTH logical_px(300) #define WIN_HEIGHT (15 * font.height + TEXT_PADDING) #define col_x(col) \ (((col)-1) * char_width + TEXT_PADDING) #define row_y(row) \ (((row)-1) * font.height + TEXT_PADDING) enum { STEP_WELCOME, STEP_GENERATE } current_step = STEP_WELCOME; enum { MOD_Mod1, MOD_Mod4 } modifier = MOD_Mod4; static char *config_path; static uint32_t xcb_numlock_mask; xcb_connection_t *conn; static xcb_key_symbols_t *keysyms; xcb_screen_t *root_screen; static xcb_get_modifier_mapping_reply_t *modmap_reply; static i3Font font; static i3Font bold_font; static int char_width; static char *socket_path = NULL; static xcb_window_t win; static surface_t surface; static xcb_key_symbols_t *symbols; xcb_window_t root; static struct xkb_keymap *xkb_keymap; static uint8_t xkb_base_event; static uint8_t xkb_base_error; static void finish(void); #include "GENERATED_config_enums.h" typedef struct token { char *name; char *identifier; /* This might be __CALL */ cmdp_state next_state; union { uint16_t call_identifier; } extra; } cmdp_token; typedef struct tokenptr { cmdp_token *array; int n; } cmdp_token_ptr; #include "GENERATED_config_tokens.h" static cmdp_state state; /* A list which contains the states that lead to the current state, e.g. * INITIAL, WORKSPACE_LAYOUT. * When jumping back to INITIAL, statelist_idx will simply be set to 1 * (likewise for other states, e.g. MODE or BAR). * This list is used to process the nearest error token. */ static cmdp_state statelist[10] = {INITIAL}; /* NB: statelist_idx points to where the next entry will be inserted */ static int statelist_idx = 1; struct stack_entry { /* Just a pointer, not dynamically allocated. */ const char *identifier; enum { STACK_STR = 0, STACK_LONG = 1, } type; union { char *str; long num; } val; }; /* 10 entries should be enough for everybody. */ static struct stack_entry stack[10]; /* * Pushes a string (identified by 'identifier') on the stack. We simply use a * single array, since the number of entries we have to store is very small. * */ static void push_string(const char *identifier, const char *str) { for (int c = 0; c < 10; c++) { if (stack[c].identifier != NULL && strcmp(stack[c].identifier, identifier) != 0) continue; if (stack[c].identifier == NULL) { /* Found a free slot, let’s store it here. */ stack[c].identifier = identifier; stack[c].val.str = sstrdup(str); stack[c].type = STACK_STR; } else { /* Append the value. */ char *prev = stack[c].val.str; sasprintf(&(stack[c].val.str), "%s,%s", prev, str); free(prev); } return; } /* When we arrive here, the stack is full. This should not happen and * means there’s either a bug in this parser or the specification * contains a command with more than 10 identified tokens. */ fprintf(stderr, "BUG: commands_parser stack full. This means either a bug " "in the code, or a new command which contains more than " "10 identified tokens.\n"); exit(1); } static void push_long(const char *identifier, long num) { for (int c = 0; c < 10; c++) { if (stack[c].identifier != NULL) continue; /* Found a free slot, let’s store it here. */ stack[c].identifier = identifier; stack[c].val.num = num; stack[c].type = STACK_LONG; return; } /* When we arrive here, the stack is full. This should not happen and * means there’s either a bug in this parser or the specification * contains a command with more than 10 identified tokens. */ fprintf(stderr, "BUG: commands_parser stack full. This means either a bug " "in the code, or a new command which contains more than " "10 identified tokens.\n"); exit(1); } static const char *get_string(const char *identifier) { for (int c = 0; c < 10; c++) { if (stack[c].identifier == NULL) break; if (strcmp(identifier, stack[c].identifier) == 0) return stack[c].val.str; } return NULL; } static void clear_stack(void) { for (int c = 0; c < 10; c++) { if (stack[c].type == STACK_STR) free(stack[c].val.str); stack[c].identifier = NULL; stack[c].val.str = NULL; stack[c].val.num = 0; } } /* * Returns true if sym is bound to any key except for 'except_keycode' on the * first four layers (normal, shift, mode_switch, mode_switch + shift). * */ static bool keysym_used_on_other_key(KeySym sym, xcb_keycode_t except_keycode) { xcb_keycode_t i, min_keycode = xcb_get_setup(conn)->min_keycode, max_keycode = xcb_get_setup(conn)->max_keycode; for (i = min_keycode; i && i <= max_keycode; i++) { if (i == except_keycode) continue; for (int level = 0; level < 4; level++) { if (xcb_key_symbols_get_keysym(keysyms, i, level) != sym) continue; return true; } } return false; } static char *next_state(const cmdp_token *token) { cmdp_state _next_state = token->next_state; if (token->next_state == __CALL) { const char *modifiers = get_string("modifiers"); int keycode = atoi(get_string("key")); int level = 0; if (modifiers != NULL && strstr(modifiers, "Shift") != NULL) { /* When shift is included, we really need to use the second-level * symbol (upper-case). The lower-case symbol could be on a * different key than the upper-case one (unlikely for letters, but * more likely for special characters). */ level = 1; /* Try to use the keysym on the first level (lower-case). In case * this doesn’t make it ambiguous (think of a keyboard layout * having '1' on two different keys, but '!' only on keycode 10), * we’ll stick with the keysym of the first level. * * This reduces a lot of confusion for users who switch keyboard * layouts from qwerty to qwertz or other slight variations of * qwerty (yes, that happens quite often). */ const xkb_keysym_t *syms; int num = xkb_keymap_key_get_syms_by_level(xkb_keymap, keycode, 0, 0, &syms); if (num == 0) errx(1, "xkb_keymap_key_get_syms_by_level returned no symbols for keycode %d", keycode); if (!keysym_used_on_other_key(syms[0], keycode)) level = 0; } const xkb_keysym_t *syms; int num = xkb_keymap_key_get_syms_by_level(xkb_keymap, keycode, 0, level, &syms); if (num == 0) errx(1, "xkb_keymap_key_get_syms_by_level returned no symbols for keycode %d", keycode); if (num > 1) printf("xkb_keymap_key_get_syms_by_level (keycode = %d) returned %d symbolsinstead of 1, using only the first one.\n", keycode, num); char str[4096]; if (xkb_keysym_get_name(syms[0], str, sizeof(str)) == -1) errx(EXIT_FAILURE, "xkb_keysym_get_name(%u) failed", syms[0]); const char *release = get_string("release"); char *res; char *modrep = (modifiers == NULL ? sstrdup("") : sstrdup(modifiers)); char *comma; while ((comma = strchr(modrep, ',')) != NULL) { *comma = '+'; } sasprintf(&res, "bindsym %s%s%s %s%s\n", (modifiers == NULL ? "" : modrep), (modifiers == NULL ? "" : "+"), str, (release == NULL ? "" : release), get_string("command")); clear_stack(); free(modrep); return res; } state = _next_state; /* See if we are jumping back to a state in which we were in previously * (statelist contains INITIAL) and just move statelist_idx accordingly. */ for (int i = 0; i < statelist_idx; i++) { if (statelist[i] != _next_state) continue; statelist_idx = i + 1; return NULL; } /* Otherwise, the state is new and we add it to the list */ statelist[statelist_idx++] = _next_state; return NULL; } static char *rewrite_binding(const char *input) { state = INITIAL; statelist_idx = 1; const char *walk = input; const size_t len = strlen(input); int c; const cmdp_token *token; char *result = NULL; /* The "<=" operator is intentional: We also handle the terminating 0-byte * explicitly by looking for an 'end' token. */ while ((size_t)(walk - input) <= len) { /* Skip whitespace before every token, newlines are relevant since they * separate configuration directives. */ while ((*walk == ' ' || *walk == '\t') && *walk != '\0') walk++; //printf("remaining input: %s\n", walk); cmdp_token_ptr *ptr = &(tokens[state]); for (c = 0; c < ptr->n; c++) { token = &(ptr->array[c]); /* A literal. */ if (token->name[0] == '\'') { if (strncasecmp(walk, token->name + 1, strlen(token->name) - 1) == 0) { if (token->identifier != NULL) push_string(token->identifier, token->name + 1); walk += strlen(token->name) - 1; if ((result = next_state(token)) != NULL) return result; break; } continue; } if (strcmp(token->name, "number") == 0) { /* Handle numbers. We only accept decimal numbers for now. */ char *end = NULL; errno = 0; long int num = strtol(walk, &end, 10); if ((errno == ERANGE && (num == LONG_MIN || num == LONG_MAX)) || (errno != 0 && num == 0)) continue; /* No valid numbers found */ if (end == walk) continue; if (token->identifier != NULL) push_long(token->identifier, num); /* Set walk to the first non-number character */ walk = end; if ((result = next_state(token)) != NULL) return result; break; } if (strcmp(token->name, "string") == 0 || strcmp(token->name, "word") == 0) { const char *beginning = walk; /* Handle quoted strings (or words). */ if (*walk == '"') { beginning++; walk++; while (*walk != '\0' && (*walk != '"' || *(walk - 1) == '\\')) walk++; } else { if (token->name[0] == 's') { while (*walk != '\0' && *walk != '\r' && *walk != '\n') walk++; } else { /* For a word, the delimiters are white space (' ' or * '\t'), closing square bracket (]), comma (,) and * semicolon (;). */ while (*walk != ' ' && *walk != '\t' && *walk != ']' && *walk != ',' && *walk != ';' && *walk != '\r' && *walk != '\n' && *walk != '\0') walk++; } } if (walk != beginning) { char *str = scalloc(walk - beginning + 1, 1); /* We copy manually to handle escaping of characters. */ int inpos, outpos; for (inpos = 0, outpos = 0; inpos < (walk - beginning); inpos++, outpos++) { /* We only handle escaped double quotes to not break * backwards compatibility with people using \w in * regular expressions etc. */ if (beginning[inpos] == '\\' && beginning[inpos + 1] == '"') inpos++; str[outpos] = beginning[inpos]; } if (token->identifier) push_string(token->identifier, str); free(str); /* If we are at the end of a quoted string, skip the ending * double quote. */ if (*walk == '"') walk++; if ((result = next_state(token)) != NULL) return result; break; } } if (strcmp(token->name, "end") == 0) { //printf("checking for end: *%s*\n", walk); if (*walk == '\0' || *walk == '\n' || *walk == '\r') { if ((result = next_state(token)) != NULL) return result; /* To make sure we start with an appropriate matching * datastructure for commands which do *not* specify any * criteria, we re-initialize the criteria system after * every command. */ // TODO: make this testable walk++; break; } } } } return NULL; } /* * Having verboselog(), errorlog() and debuglog() is necessary when using libi3. * */ void verboselog(char *fmt, ...) { va_list args; va_start(args, fmt); vfprintf(stdout, fmt, args); va_end(args); } void errorlog(char *fmt, ...) { va_list args; va_start(args, fmt); vfprintf(stderr, fmt, args); va_end(args); } void debuglog(char *fmt, ...) { } static void txt(int col, int row, char *text, color_t fg, color_t bg) { int x = col_x(col); int y = row_y(row); i3String *string = i3string_from_utf8(text); draw_util_text(string, &surface, fg, bg, x, y, WIN_WIDTH - x - TEXT_PADDING); i3string_free(string); } /* * Handles expose events, that is, draws the window contents. * */ static int handle_expose(void) { const color_t black = draw_util_hex_to_color("#000000"); const color_t white = draw_util_hex_to_color("#FFFFFF"); const color_t green = draw_util_hex_to_color("#00FF00"); const color_t red = draw_util_hex_to_color("#FF0000"); /* draw background */ draw_util_clear_surface(&surface, black); set_font(&font); if (current_step == STEP_WELCOME) { txt(2, 2, "You have not configured i3 yet.", white, black); txt(2, 3, "Do you want me to generate a config at", white, black); char *msg; sasprintf(&msg, "%s?", config_path); txt(2, 4, msg, white, black); free(msg); txt(13, 6, "Yes, generate the config", white, black); txt(13, 8, "No, I will use the defaults", white, black); txt(4, 6, "", green, black); txt(5, 8, "", red, black); } if (current_step == STEP_GENERATE) { txt(2, 2, "Please choose either:", white, black); txt(13, 4, "Win as default modifier", white, black); txt(13, 5, "Alt as default modifier", white, black); txt(2, 7, "Afterwards, press", white, black); txt(13, 9, "to write the config", white, black); txt(13, 10, "to abort", white, black); /* the not-selected modifier */ if (modifier == MOD_Mod4) txt(5, 5, "", white, black); else txt(5, 4, "", white, black); /* the selected modifier */ set_font(&bold_font); if (modifier == MOD_Mod4) txt(2, 4, "-> ", white, black); else txt(2, 5, "-> ", white, black); set_font(&font); txt(4, 9, "", green, black); txt(5, 10, "", red, black); } xcb_flush(conn); return 1; } static int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_t *event) { printf("Keypress %d, state raw = %d\n", event->detail, event->state); /* Remove the numlock bit, all other bits are modifiers we can bind to */ uint16_t state_filtered = event->state & ~(xcb_numlock_mask | XCB_MOD_MASK_LOCK); /* Only use the lower 8 bits of the state (modifier masks) so that mouse * button masks are filtered out */ state_filtered &= 0xFF; xcb_keysym_t sym = xcb_key_press_lookup_keysym(symbols, event, state_filtered); printf("sym = %c (%d)\n", sym, sym); if (sym == XK_Return || sym == XK_KP_Enter) { if (current_step == STEP_WELCOME) { current_step = STEP_GENERATE; /* Set window title */ xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win, A__NET_WM_NAME, A_UTF8_STRING, 8, strlen("i3: generate config"), "i3: generate config"); xcb_flush(conn); } else finish(); } /* Swap between modifiers when up or down is pressed. */ if (sym == XK_Up || sym == XK_Down) { modifier = (modifier == MOD_Mod1) ? MOD_Mod4 : MOD_Mod1; handle_expose(); } /* cancel any time */ if (sym == XK_Escape) exit(0); /* Check if this is Mod1 or Mod4. The modmap contains Shift, Lock, Control, * Mod1, Mod2, Mod3, Mod4, Mod5 (in that order) */ xcb_keycode_t *modmap = xcb_get_modifier_mapping_keycodes(modmap_reply); /* Mod1? */ int mask = 3; for (int i = 0; i < modmap_reply->keycodes_per_modifier; i++) { xcb_keycode_t code = modmap[(mask * modmap_reply->keycodes_per_modifier) + i]; if (code == XCB_NONE) continue; printf("Modifier keycode for Mod1: 0x%02x\n", code); if (code == event->detail) { modifier = MOD_Mod1; printf("This is Mod1!\n"); } } /* Mod4? */ mask = 6; for (int i = 0; i < modmap_reply->keycodes_per_modifier; i++) { xcb_keycode_t code = modmap[(mask * modmap_reply->keycodes_per_modifier) + i]; if (code == XCB_NONE) continue; printf("Modifier keycode for Mod4: 0x%02x\n", code); if (code == event->detail) { modifier = MOD_Mod4; printf("This is Mod4!\n"); } } handle_expose(); return 1; } /* * Handle button presses to make clicking on "" and "" work * */ static void handle_button_press(xcb_button_press_event_t *event) { if (current_step != STEP_GENERATE) return; if (event->event_x < col_x(5) || event->event_x > col_x(10)) return; if (event->event_y >= row_y(4) && event->event_y <= (row_y(4) + font.height)) { modifier = MOD_Mod4; handle_expose(); } if (event->event_y >= row_y(5) && event->event_y <= (row_y(5) + font.height)) { modifier = MOD_Mod1; handle_expose(); } } /* * Creates the config file and tells i3 to reload. * */ static void finish(void) { printf("creating \"%s\"...\n", config_path); struct xkb_context *xkb_context; if ((xkb_context = xkb_context_new(0)) == NULL) errx(1, "could not create xkbcommon context"); int32_t device_id = xkb_x11_get_core_keyboard_device_id(conn); if ((xkb_keymap = xkb_x11_keymap_new_from_device(xkb_context, conn, device_id, 0)) == NULL) errx(1, "xkb_x11_keymap_new_from_device failed"); FILE *kc_config = fopen(SYSCONFDIR "/i3/config.keycodes", "r"); if (kc_config == NULL) err(1, "Could not open input file \"%s\"", SYSCONFDIR "/i3/config.keycodes"); FILE *ks_config = fopen(config_path, "w"); if (ks_config == NULL) err(1, "Could not open output config file \"%s\"", config_path); free(config_path); char *line = NULL; size_t len = 0; #ifndef USE_FGETLN ssize_t read; #endif bool head_of_file = true; /* write a header about auto-generation to the output file */ fputs("# This file has been auto-generated by i3-config-wizard(1).\n", ks_config); fputs("# It will not be overwritten, so edit it as you like.\n", ks_config); fputs("#\n", ks_config); fputs("# Should you change your keyboard layout some time, delete\n", ks_config); fputs("# this file and re-run i3-config-wizard(1).\n", ks_config); fputs("#\n", ks_config); #ifdef USE_FGETLN char *buf = NULL; while ((buf = fgetln(kc_config, &len)) != NULL) { /* fgetln does not return null-terminated strings */ FREE(line); sasprintf(&line, "%.*s", len, buf); #else size_t linecap = 0; while ((read = getline(&line, &linecap, kc_config)) != -1) { len = strlen(line); #endif /* skip the warning block at the beginning of the input file */ if (head_of_file && strncmp("# WARNING", line, strlen("# WARNING")) == 0) continue; head_of_file = false; /* Skip leading whitespace */ char *walk = line; while (isspace(*walk) && walk < (line + len)) { /* Pre-output the skipped whitespaces to keep proper indentation */ fputc(*walk, ks_config); walk++; } /* Set the modifier the user chose */ if (strncmp(walk, "set $mod ", strlen("set $mod ")) == 0) { if (modifier == MOD_Mod1) fputs("set $mod Mod1\n", ks_config); else fputs("set $mod Mod4\n", ks_config); continue; } /* Check for 'bindcode'. If it’s not a bindcode line, we * just copy it to the output file */ if (strncmp(walk, "bindcode", strlen("bindcode")) != 0) { fputs(walk, ks_config); continue; } char *result = rewrite_binding(walk); fputs(result, ks_config); free(result); } /* sync to do our best in order to have the file really stored on disk */ fflush(ks_config); fsync(fileno(ks_config)); #ifndef USE_FGETLN free(line); #endif fclose(kc_config); fclose(ks_config); /* tell i3 to reload the config file */ int sockfd = ipc_connect(socket_path); ipc_send_message(sockfd, strlen("reload"), 0, (uint8_t *)"reload"); close(sockfd); exit(0); } int main(int argc, char *argv[]) { char *xdg_config_home; char *pattern = "pango:monospace 8"; char *patternbold = "pango:monospace bold 8"; int o, option_index = 0; bool headless_run = false; static struct option long_options[] = { {"socket", required_argument, 0, 's'}, {"version", no_argument, 0, 'v'}, {"modifier", required_argument, 0, 'm'}, {"limit", required_argument, 0, 'l'}, {"prompt", required_argument, 0, 'P'}, {"prefix", required_argument, 0, 'p'}, {"font", required_argument, 0, 'f'}, {"help", no_argument, 0, 'h'}, {0, 0, 0, 0}}; char *options_string = "sm:vh"; while ((o = getopt_long(argc, argv, options_string, long_options, &option_index)) != -1) { switch (o) { case 's': FREE(socket_path); socket_path = sstrdup(optarg); break; case 'v': printf("i3-config-wizard " I3_VERSION "\n"); return 0; case 'm': headless_run = true; if (strcmp(optarg, "alt") == 0) modifier = MOD_Mod1; else if (strcmp(optarg, "win") == 0) modifier = MOD_Mod4; else err(EXIT_FAILURE, "Invalid modifier key %s", optarg); break; case 'h': printf("i3-config-wizard " I3_VERSION "\n"); printf("i3-config-wizard [-s ] [-m win|alt] [-v] [-h]\n"); return 0; } } char *path = get_config_path(NULL, false); if (path != NULL) { printf("The config file \"%s\" already exists. Exiting.\n", path); free(path); return 0; } /* Always write to $XDG_CONFIG_HOME/i3/config by default. */ if ((xdg_config_home = getenv("XDG_CONFIG_HOME")) == NULL) xdg_config_home = "~/.config"; xdg_config_home = resolve_tilde(xdg_config_home); sasprintf(&config_path, "%s/i3/config", xdg_config_home); /* Create $XDG_CONFIG_HOME/i3 if it does not yet exist */ char *config_dir; struct stat stbuf; sasprintf(&config_dir, "%s/i3", xdg_config_home); if (stat(config_dir, &stbuf) != 0) if (mkdirp(config_dir, DEFAULT_DIR_MODE) != 0) err(EXIT_FAILURE, "mkdirp(%s) failed", config_dir); free(config_dir); free(xdg_config_home); int fd; if ((fd = open(config_path, O_CREAT | O_RDWR, 0644)) == -1) { printf("Cannot open file \"%s\" for writing: %s. Exiting.\n", config_path, strerror(errno)); return 0; } close(fd); unlink(config_path); int screen; if ((conn = xcb_connect(NULL, &screen)) == NULL || xcb_connection_has_error(conn)) errx(1, "Cannot open display"); if (xkb_x11_setup_xkb_extension(conn, XKB_X11_MIN_MAJOR_XKB_VERSION, XKB_X11_MIN_MINOR_XKB_VERSION, 0, NULL, NULL, &xkb_base_event, &xkb_base_error) != 1) errx(EXIT_FAILURE, "Could not setup XKB extension."); keysyms = xcb_key_symbols_alloc(conn); xcb_get_modifier_mapping_cookie_t modmap_cookie; modmap_cookie = xcb_get_modifier_mapping(conn); symbols = xcb_key_symbols_alloc(conn); if (headless_run) { finish(); return 0; } /* Place requests for the atoms we need as soon as possible */ #define xmacro(atom) \ xcb_intern_atom_cookie_t atom##_cookie = xcb_intern_atom(conn, 0, strlen(#atom), #atom); #include "atoms.xmacro" #undef xmacro /* Init startup notification. */ SnDisplay *sndisplay = sn_xcb_display_new(conn, NULL, NULL); SnLauncheeContext *sncontext = sn_launchee_context_new_from_environment(sndisplay, screen); sn_display_unref(sndisplay); root_screen = xcb_aux_get_screen(conn, screen); root = root_screen->root; if (!(modmap_reply = xcb_get_modifier_mapping_reply(conn, modmap_cookie, NULL))) errx(EXIT_FAILURE, "Could not get modifier mapping"); xcb_numlock_mask = get_mod_mask_for(XCB_NUM_LOCK, symbols, modmap_reply); init_dpi(); font = load_font(pattern, true); bold_font = load_font(patternbold, true); /* Determine character width in the default font. */ set_font(&font); char_width = predict_text_width(i3string_from_utf8("a")); /* Open an input window */ win = xcb_generate_id(conn); xcb_create_window( conn, XCB_COPY_FROM_PARENT, win, /* the window id */ root, /* parent == root */ WIN_POS_X, WIN_POS_Y, WIN_WIDTH, WIN_HEIGHT, /* dimensions */ 0, /* X11 border = 0, we draw our own */ XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_WINDOW_CLASS_COPY_FROM_PARENT, /* copy visual from parent */ XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK, (uint32_t[]){ 0, /* back pixel: black */ XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_BUTTON_PRESS}); if (sncontext) { sn_launchee_context_setup_window(sncontext, win); } /* Map the window (make it visible) */ xcb_map_window(conn, win); /* Setup NetWM atoms */ #define xmacro(name) \ do { \ xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(conn, name##_cookie, NULL); \ if (!reply) \ errx(EXIT_FAILURE, "Could not get atom " #name); \ \ A_##name = reply->atom; \ free(reply); \ } while (0); #include "atoms.xmacro" #undef xmacro /* Set dock mode */ xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win, A__NET_WM_WINDOW_TYPE, A_ATOM, 32, 1, (unsigned char *)&A__NET_WM_WINDOW_TYPE_DIALOG); /* Set window title */ xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win, A__NET_WM_NAME, A_UTF8_STRING, 8, strlen("i3: first configuration"), "i3: first configuration"); /* Initialize drawable surface */ draw_util_surface_init(conn, &surface, win, get_visualtype(root_screen), WIN_WIDTH, WIN_HEIGHT); /* Grab the keyboard to get all input */ xcb_flush(conn); /* Try (repeatedly, if necessary) to grab the keyboard. We might not * get the keyboard at the first attempt because of the keybinding * still being active when started via a wm’s keybinding. */ xcb_grab_keyboard_cookie_t cookie; xcb_grab_keyboard_reply_t *reply = NULL; int count = 0; while ((reply == NULL || reply->status != XCB_GRAB_STATUS_SUCCESS) && (count++ < 500)) { cookie = xcb_grab_keyboard(conn, false, win, XCB_CURRENT_TIME, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC); reply = xcb_grab_keyboard_reply(conn, cookie, NULL); usleep(1000); } if (reply->status != XCB_GRAB_STATUS_SUCCESS) { fprintf(stderr, "Could not grab keyboard, status = %d\n", reply->status); exit(-1); } /* Startup complete. */ if (sncontext) { sn_launchee_context_complete(sncontext); sn_launchee_context_unref(sncontext); } xcb_flush(conn); xcb_generic_event_t *event; while ((event = xcb_wait_for_event(conn)) != NULL) { if (event->response_type == 0) { fprintf(stderr, "X11 Error received! sequence %x\n", event->sequence); continue; } /* Strip off the highest bit (set if the event is generated) */ int type = (event->response_type & 0x7F); /* TODO: handle mappingnotify */ switch (type) { case XCB_KEY_PRESS: handle_key_press(NULL, conn, (xcb_key_press_event_t *)event); break; case XCB_BUTTON_PRESS: handle_button_press((xcb_button_press_event_t *)event); break; case XCB_EXPOSE: if (((xcb_expose_event_t *)event)->count == 0) { handle_expose(); } break; } free(event); } /* Dismiss drawable surface */ draw_util_surface_free(conn, &surface); return 0; }