#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "file.h" #include "icons.h" #include "util.h" /* Keybindings */ enum keys { CTRLD = 0x04, ENTER = 0xD, CTRLU = 0x15, SPACE = 0x20, TILDE = 0x7E, BACKSPACE = 127, ARROW_LEFT = 1000, ARROW_RIGHT, ARROW_UP, ARROW_DOWN, DEL_KEY, HOME_KEY, END_KEY, PAGE_UP, PAGE_DOWN, }; typedef struct { int key; } key; #define PATH_MAX 4096 /* Max length of path */ #include "config.h" void handle_sigwinch(int ignore); void cleanup(void); void show_help(void); char *check_trash_dir(void); void change_dir(const char *buf, int selection, int ftype); void mkdir_p(const char *destdir); void populate_files(const char *path, int ftype, ArrayList **list); int get_directory_size(const char *fpath, const struct stat *sb, int typeflag, struct FTW *ftwbuf); void add_file_stat(char *filename, char *path, int ftype); void list_files(void); void show_file_content(void); void edit_file(void); void toggle_executable(void); void replace_home(char *str); int write_last_d(void); int sort_compare(const void *a, const void *b); void sort_files(void); char *get_panel_string(char *prompt); void rename_file(void); void goto_dir(void); void create_dir(void); void create_file(void); void delete_files(void); void start_shell(void); void yank_clipboard(void); void view_file_attr(void); void show_history(void); void open_with(void); void open_detached(void); void wpprintw(const char *fmt, ...); void move_cursor(int row, int col); int readch(void); int get_window_size(int *row, int *col); void bprintf(const char *fmt, ...); /* global variables */ unsigned int focus = 0; long sel_file = 0; int file_picker = 1; int to_open_file = 0; char argv_cp[PATH_MAX]; char cwd[PATH_MAX]; char p_cwd[PATH_MAX]; /* previous cwd */ int half_width; ArrayList *files; ArrayList *marked; ArrayList *tmp1; /* temp store of dirs */ ArrayList *tmp2; /* tmp store of files */ int rows, cols; struct termios oldt, newt; unsigned long total_dir_size = 0; int main(int argc, char **argv) { if (argc == 3) { if (strncmp(argv[2], "-p", 2) == 0) file_picker = 1; } if (argc <= 3 && argc != 1) { if (strncmp(argv[1], "-h", 2) == 0) die("Usage: ccc filename"); struct stat st; if (lstat(argv[1], &st)) { perror("ccc"); die("Error from lstat"); } /* chdir to directory from argument */ if (S_ISDIR(st.st_mode) && chdir(argv[1])) { perror("ccc"); die("Error from chdir"); } else if (S_ISREG(st.st_mode)) { strcpy(argv_cp, argv[1]); char *last_slash = strrchr(argv_cp, '/'); if (last_slash) { *last_slash = '\0'; if (chdir(argv[1])) { perror("ccc"); die("Error from chdir"); } } to_open_file = 1; } } /* check if it is interactive shell */ if (!isatty(STDIN_FILENO)) die("ccc: No tty detected. ccc requires an interactive shell to run.\n"); struct sigaction sa; sa.sa_handler = handle_sigwinch; sa.sa_flags = SA_RESTART; sigemptyset(&sa.sa_mask); if (sigaction(SIGWINCH, &sa, NULL) == -1) { perror("sigaction"); exit(1); } /* initialize screen, don't print special chars, * make ctrl + c work, don't show cursor * enable arrow keys */ bprintf("\033[?1049h\033[2J\033[?25l"); tcgetattr(STDIN_FILENO, &oldt); newt = oldt; /* Disable canonical mode and echo */ newt.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON); /* newt.c_oflag &= ~(OPOST); */ newt.c_cflag |= (CS8); newt.c_lflag &= ~(ECHO | ICANON | IEXTEN | ISIG); newt.c_cc[VMIN] = 0; newt.c_cc[VTIME] = 1; tcsetattr(STDIN_FILENO, TCSAFLUSH, &newt); /* init files and marked arrays */ marked = arraylist_init(100); hashtable_init(); getcwd(cwd, PATH_MAX); populate_files(cwd, 0, &files); handle_sigwinch(-1); if (to_open_file) { sel_file = arraylist_search(files, argv_cp, 1); } int ch, run = 1; while (run) { list_files(); ch = readch(); switch (ch) { /* quit */ case 'q': if (write_last_d() == -1) { /* prompt user so error message can be shown to user */ readch(); } cleanup(); run = 0; break; /* reload */ case 'z': change_dir(cwd, 0, 0); break; /* go back */ case BACKSPACE:; case ARROW_LEFT:; case 'h':; char dir[PATH_MAX]; strcpy(dir, cwd); /* get parent directory */ char *last_slash = strrchr(dir, '/'); if (last_slash) { if (!strcmp(last_slash, dir)) { change_dir("/", 0, 0); break; } *last_slash = '\0'; change_dir(dir, 0, 0); } break; /* enter directory/open a file */ case ENTER:; case ARROW_RIGHT:; case 'l':; file c_file = files->items[sel_file]; /* Check if it is directory or a regular file */ if (c_file.type == DRY) { /* Change cwd to directory */ change_dir(c_file.path, 0, 0); } else if (c_file.type == REG) { /* Write opened file to a file for file pickers */ if (file_picker) { char opened_file_path[PATH_MAX]; strcpy(opened_file_path, "~/.cache/ccc/opened_file"); replace_home(opened_file_path); FILE *opened_file = fopen(opened_file_path, "w+"); fprintf(opened_file, "%s\n", c_file.path); fclose(opened_file); cleanup(); run = 0; } else { edit_file(); } } break; /* jump up */ case CTRLU: if ((sel_file - jump_num) > 0) sel_file -= jump_num; else sel_file = 0; break; /* go up */ case ARROW_UP: case 'k': if (sel_file > 0) sel_file--; break; /* jump down */ case CTRLD: if ((sel_file + jump_num) < (files->length - 1)) sel_file += jump_num; else sel_file = (files->length - 1); break; /* go down */ case ARROW_DOWN: case 'j': if (sel_file < (files->length - 1)) sel_file++; break; /* jump to the bottom */ case 'G': sel_file = (files->length - 1); break; /* jump to the top */ case 'g': sel_file = 0; break; /* '~' go to $HOME */ case TILDE:; char *home = getenv("HOME"); if (!home) { wpprintw("$HOME not defined (Press any key to continue)"); readch(); } else { change_dir(home, 0, 0); } break; /* go to the trash dir */ case 't':; char *trash_dir = check_trash_dir(); if (trash_dir) { change_dir(trash_dir, 0, 0); free(trash_dir); } break; /* sort files */ case 'u': sort_files(); break; /* show directories' sizes */ case 'A': dirs_size = !dirs_size; change_dir(cwd, 0, 0); break; /* go to previous dir */ case '-': if (strlen(p_cwd) != 0) change_dir(p_cwd, 0, 0); break; /* show help */ case '?': show_help(); break; /* toggle hidden files */ case '.': show_hidden = !show_hidden; change_dir(cwd, 0, 0); break; /* toggle file details */ case 'i': show_details = !show_details; change_dir(cwd, 0, 0); break; case 'w': show_icons = !show_icons; change_dir(cwd, 0, 0); break; case 'f': create_file(); break; case 'n': create_dir(); break; case 'r': rename_file(); break; case ':': goto_dir(); break; case 'X': toggle_executable(); change_dir(cwd, 0, 0); break; case '!': start_shell(); break; case 'y': yank_clipboard(); break; case 'o': open_with(); break; case 'O': open_detached(); break; case 'x': view_file_attr(); break; case 'e': show_history(); break; case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9':; char envname[9]; snprintf(envname, 9, "CCC_FAV%d", ch - '0'); char *fav = getenv(envname); if (fav && !strcmp(fav, "")) { char dir[PATH_MAX]; strcpy(dir, fav); change_dir(dir, 0, 0); } break; /* mark one file */ case SPACE: add_file_stat(files->items[sel_file].name, files->items[sel_file].path, 1); break; /* mark all files in directory */ case 'a': change_dir(cwd, sel_file, 2); /* reload current dir */ break; /* mark actions: */ /* delete */ case 'd': delete_files(); break; /* move */ case 'm': if (marked->length) { ; } break; /* copy */ case 'c': if (marked->length) { ; } break; /* symbolic link */ case 's': if (marked->length) { ; } break; /* bulk rename */ case 'b': if (marked->length) { ; } break; default: break; } } return 0; } void handle_sigwinch(int ignore) { get_window_size(&rows, &cols); if (cols < 80 || rows < 24) { cleanup(); die("ccc: Terminal size needs to be at least 80x24"); } half_width = cols / 2 + window_offset; list_files(); } void cleanup(void) { if (files->length != 0) { arraylist_free(files); } if (marked->length != 0) { arraylist_free(marked); } /* Restore old terminal settings */ tcsetattr(STDIN_FILENO, TCSAFLUSH, &oldt); bprintf("\033[2J\033[?1049l\033[?25h"); } void show_help(void) { bprintf("\033[2J"); move_cursor(1, 1); bprintf("h: go to parent dir\nj: scroll down\nk: scroll up\n" "l: go to child dir\n\nleft: go to parent dir\ndown: scroll down\n" "up: scroll up\nright: go to child dir\n\n" "enter: go to child dir/open file\nbackspace: go to parent dir\n\n" "gg: go to top\nG: go to bottom\n\nctrl+u: jump up\nctrl+d: jump down\n\n" "t: go to trash dir\n~: go to home dir\n-: go to previous dir\n" "z: refresh current dir\n:: go to a directory by typing\nu: sort files\n\n" ".: toggle hidden files\ni: toggle file details\nX: toggle executable\n\n" "A: show directory disk usage/block size\n\nf: new file\nn: new dir\n" "r: rename\n\nspace: mark file\na: mark all files in directory\nd: trash" "\n\n?: show help\nq: exit with last dir written to file\n" "ctrl+c exit without writing last dir" "\nPress any key to continue" ); wpprintw("Visit https://github.com/night0721/ccc or use 'man ccc' for help"); readch(); } /* * Checks if the trash directory is set and returns it */ char *check_trash_dir(void) { char *path = memalloc(PATH_MAX); /* check if there is trash_dir */ if (!strcmp(trash_dir, "")) { wpprintw("Trash directory not defined"); return NULL; } else { strcpy(path, trash_dir); /* if trash_dir has ~ then make it $HOME */ /* use path as trash_dir */ if (path[0] == '~') replace_home(path); /* if has access to trash_dir */ if (access(path, F_OK) != 0) { /* create the directory with 755 permissions if it doesn't exist */ mkdir_p(path); } } return path; } /* * Change directory in window with selection */ void change_dir(const char *buf, int selection, int ftype) { if (strcmp(cwd, buf) != 0) { char tmp[PATH_MAX]; strcpy(tmp, buf); strcpy(p_cwd, cwd); strcpy(cwd, tmp); char history_path[PATH_MAX]; strcpy(history_path, "~/.cache/ccc/history"); replace_home(history_path); FILE *history_file = fopen(history_path, "a"); fprintf(history_file, "%s\n", cwd); fclose(history_file); } if (ftype == 0) arraylist_free(files); chdir(cwd); sel_file = selection; populate_files(cwd, ftype, &files); } /* * Recursively create directory by creating each subdirectory * like mkdir -p */ void mkdir_p(const char *destdir) { char path[PATH_MAX], dir_path[PATH_MAX]; if (destdir[0] == '~') { char *home = getenv("HOME"); if (!home) { wpprintw("$HOME not defined"); return; } /* replace ~ with home */ snprintf(path, PATH_MAX, "%s%s", home, destdir + 1); } else { strcpy(path, destdir); } /* fix first / not appearing in the string */ if (path[0] == '/') dir_path[0] = '/'; char *token = strtok(path, "/"); while (token) { strcat(dir_path, token); strcat(dir_path, "/"); if (mkdir(dir_path, 0755) == -1) { struct stat st; if (stat(dir_path, &st) == 0 && S_ISDIR(st.st_mode)) { /* Directory already exists, continue to the next dir */ token = strtok(NULL, "/"); continue; } wpprintw("mkdir failed: %s", strerror(errno)); return; } token = strtok(NULL, "/"); } return; } /* * Read the provided directory and add all files in directory to an Arraylist * ftype: normal files = 0, marked = 1, marking ALL = 2 */ void populate_files(const char *path, int ftype, ArrayList **list) { DIR *dp; struct dirent *ep; if ((dp = opendir(path))) { if (ftype == 0) { tmp1 = arraylist_init(10); tmp2 = arraylist_init(10); } while ((ep = readdir(dp))) { char *filename = estrdup(ep->d_name); /* Filter out dotfiles */ if ((!show_hidden && strncmp(filename, ".", 1) && strncmp(filename, "..", 2)) || (show_hidden && strcmp(filename, ".") && strcmp(filename, ".."))) { /* Construct full file path */ int fpath_len = strlen(path) + strlen(filename) + 2; char *fpath = memalloc(fpath_len); snprintf(fpath, fpath_len, "%s/%s", path, filename); add_file_stat(filename, fpath, ftype); } else free(filename); } if (ftype == 0) { *list = arraylist_init(tmp1->length + tmp2->length); (*list)->length = tmp1->length + tmp2->length; /* Need to see how to sort by date */ qsort(tmp1->items, tmp1->length, sizeof(file), sort_compare); qsort(tmp2->items, tmp2->length, sizeof(file), sort_compare); memcpy((*list)->items, tmp1->items, tmp1->length * sizeof(file)); memcpy((*list)->items + tmp1->length, tmp2->items, tmp2->length * sizeof(file)); free(tmp1->items); free(tmp2->items); free(tmp1); free(tmp2); } closedir(dp); } else { wpprintw("stat failed: %s", strerror(errno)); } } int get_directory_size(const char *fpath, const struct stat *sb, int typeflag, struct FTW *ftwbuf) { total_dir_size += sb->st_size; return 0; } /* * Get file's last modified time, size, type * Add that file into list * ftype: normal file = 0, normal marked = 1, marked ALL = 2 */ void add_file_stat(char *filename, char *path, int ftype) { struct stat file_stat; if (stat(path, &file_stat) == -1) { /* can't be triggered? */ if (errno == EACCES) arraylist_add(files, filename, path, NULL, REG, NULL, DEF_COLOR, 0, 0); } int type; char icon_str[5]; filename[strlen(filename)] = '\0'; /* handle file without extension * ext is the extension if . exist in filename * otherwise is nothing and handled through tenery operator */ char *ext = strrchr(filename, '.'); if (ext) { ext += 1; } /* add file extension */ icon *ext_icon = hashtable_search(ext ? ext : filename); if (!ext_icon) memcpy(icon_str, "", 4); else memcpy(icon_str, ext_icon->icon, 4); int color = DEF_COLOR; if (S_ISDIR(file_stat.st_mode)) { type = DRY; /* dir */ color = DIR_COLOR; memcpy(icon_str, "󰉋", 4); } else if (S_ISREG(file_stat.st_mode)) { type = REG; /* regular file */ color = REG_COLOR; } else if (S_ISLNK(file_stat.st_mode)) { type = LNK; /* symbolic link */ color = LNK_COLOR; } else if (S_ISCHR(file_stat.st_mode)) { type = CHR; /* character device */ color = CHR_COLOR; } else if (S_ISSOCK(file_stat.st_mode)) { type = SOC; /* socket */ color = SOC_COLOR; } else if (S_ISBLK(file_stat.st_mode)) { type = BLK; /* block device */ color = BLK_COLOR; } else if (S_ISFIFO(file_stat.st_mode)) { type = FIF; /* FIFO */ color = FIF_COLOR; } /* If file is to be marked */ if (ftype == 1 || ftype == 2) { /* Force if user is marking all files */ int force = ftype == 2 ? 1 : 0; arraylist_add(marked, filename, path, NULL, type, icon_str, DEF_COLOR, 1, force); /* free type and return without allocating more stuff */ return; } /* get last modified time */ size_t time_size = 17; char time[time_size]; /* Format last modified time to a string */ strftime(time, time_size, "%Y-%m-%d %H:%M", localtime(&file_stat.st_mtime)); /* get file size */ double bytes = file_stat.st_size; if (dirs_size) { /* dirs_size is 1, so calculate disk usage */ if (S_ISDIR(file_stat.st_mode)) { /* at most 15 fd opened */ total_dir_size = 0; nftw(path, &get_directory_size, 15, FTW_PHYS); bytes = total_dir_size; } } /* 4 before decimal + 1 dot + decimal_place (after decimal) + * unit length (1 for K, 3 for KiB, taking units[1] as B never changes) + 1 space + 1 null */ static const char* units[] = {"B", "K", "M", "G", "T", "P"}; int size_size = 4 + 1 + decimal_place + strlen(units[1]) + 1 + 1; char size[size_size]; int unit = 0; while (bytes > 1024) { bytes /= 1024; unit++; } /* display sizes and check if there are decimal places */ if (bytes == (unsigned int) bytes) { sprintf(size, "%d%s", (unsigned int) bytes, units[unit]); } else { sprintf(size, "%.*f%s", decimal_place, bytes, units[unit]); } /* get file mode string */ char mode_str[11]; mode_str[0] = S_ISDIR(file_stat.st_mode) ? 'd' : '-'; mode_str[1] = (file_stat.st_mode & S_IRUSR) ? 'r' : '-'; mode_str[2] = (file_stat.st_mode & S_IWUSR) ? 'w' : '-'; mode_str[3] = (file_stat.st_mode & S_IXUSR) ? 'x' : '-'; mode_str[4] = (file_stat.st_mode & S_IRGRP) ? 'r' : '-'; mode_str[5] = (file_stat.st_mode & S_IWGRP) ? 'w' : '-'; mode_str[6] = (file_stat.st_mode & S_IXGRP) ? 'x' : '-'; mode_str[7] = (file_stat.st_mode & S_IROTH) ? 'r' : '-'; mode_str[8] = (file_stat.st_mode & S_IWOTH) ? 'w' : '-'; mode_str[9] = (file_stat.st_mode & S_IXOTH) ? 'x' : '-'; mode_str[10] = 0; if (mode_str[0] == '-' && (mode_str[3] == 'x' || mode_str[6] == 'x' || mode_str[9] == 'x')) { color = EXE_COLOR; } /* mode_str + time(17) + size_size + 2 spaces + 1 null */ size_t stat_size = 11 + 17 + size_size + 3; char *total_stat = memalloc(stat_size); sprintf(total_stat, "%s %s %-*s", mode_str, time, size_size, size); /* DIR if color is blue */ if (color == 34) arraylist_add(tmp1, filename, path, total_stat, type, icon_str, color, 0, 0); else arraylist_add(tmp2, filename, path, total_stat, type, icon_str, color, 0, 0); } /* * Print files in directory window */ void list_files(void) { long overflow = 0; if (sel_file > rows - 4) { /* overflown */ overflow = sel_file - (rows - 4); } /* calculate range of files to show */ long range = files->length; /* not highlight if no files in directory */ if (range == 0 && errno == 0) { for (int i = 0; i < rows; i++) { move_cursor(i + 1, 1); bprintf("\033[K"); } move_cursor(1, half_width); bprintf("empty directory"); return; } if (range > rows - 3) { /* if there are more files than rows available to display * shrink range to avaiable rows to display with * overflow to keep the number of iterations to be constant */ range = rows - 3 + overflow; } move_cursor(1, 1); bprintf("\033[2J"); for (long i = overflow; i < range; i++) { int is_selected = 0; if ((overflow == 0 && i == sel_file) || (overflow != 0 && i == sel_file)) { is_selected = 1; /* check for marked files */ long num_marked = marked->length; if (num_marked > 0) { /* Determine length of formatted string */ int m_len = snprintf(NULL, 0, "[%ld] selected", num_marked); char selected[m_len + 1]; snprintf(selected, m_len + 1, "[%ld] selected", num_marked); wpprintw("(%ld/%ld) %s %s", sel_file + 1, files->length, selected, cwd); } else { wpprintw("(%ld/%ld) %s", sel_file + 1, files->length, cwd); } } /* print the actual filename and stats */ char *line = get_line(files, i, show_details, show_icons); int color = files->items[i].color; /* check is file marked for action */ int is_marked = arraylist_search(marked, files->items[i].path, 0) != -1; move_cursor(i + 1, 1); if (is_marked) color = MAR_COLOR; bprintf("\033[30m\033[%dm%s\033[m\n", is_selected ? color + 10 : color, line); free(line); } /* show file content every time cursor changes */ show_file_content(); } size_t get_effective_length(const char *str) { size_t length = 0; int in_ansi_sequence = 0; while (*str) { if (*str == '\033') { in_ansi_sequence = 1; } else if (in_ansi_sequence && *str == 'm') { in_ansi_sequence = 0; } else if (!in_ansi_sequence) { length++; } str++; } return length; } void print_chunk(const char *str, size_t start, size_t end) { int in_ansi_sequence = 0; size_t printed_length = 0; for (size_t i = start; i < end; i++) { if (str[i] == '\033') { in_ansi_sequence = 1; } if (in_ansi_sequence) { putchar(str[i]); if (str[i] == 'm') { in_ansi_sequence = 0; } } else { putchar(str[i]); printed_length++; if (printed_length >= (end - start)) { break; } } } } /* * Get file content into buffer and show it to preview window */ void show_file_content(void) { file current_file = files->items[sel_file]; move_cursor(1, half_width); if (current_file.type == DRY) { ArrayList *files_visit; populate_files(current_file.name, 0, &files_visit); for (long i = 0; i < files_visit->length; i++) { char *line = get_line(files_visit, i, 0, show_icons); int color = files_visit->items[i].color; move_cursor(i + 1, half_width); bprintf("\033[K\033[%dm%s\033[m\n", color, line); } arraylist_free(files_visit); return; } FILE *file = fopen(current_file.path, "r"); if (!file) { bprintf("Unable to read %s", current_file.name); return; } int c; /* Check if its binary */ while ((c = fgetc(file)) != EOF) { if (c == '\0') { bprintf("binary"); return; } } int pipe_fd[2]; if (pipe(pipe_fd) == -1) { perror("pipe"); return; } int pid = fork(); if (pid == 0) { /* Child */ move_cursor(1, half_width); close(pipe_fd[0]); dup2(pipe_fd[1], STDOUT_FILENO); dup2(pipe_fd[1], STDERR_FILENO); close(pipe_fd[1]); execlp("vip", "vip", "-c", current_file.name, NULL); _exit(1); } else if (pid > 0) { /* Parent */ close(pipe_fd[1]); char buffer[4096]; int row = 1; FILE *stream = fdopen(pipe_fd[0], "r"); while (fgets(buffer, sizeof(buffer), stream) && row <= rows - 1) { buffer[strcspn(buffer, "\n")] = 0; if (buffer[0] == '\0' || strspn(buffer, " \t") == strlen(buffer)) { move_cursor(row++, half_width); putchar('\n'); continue; } /* Length without ANSI codes */ size_t effective_len = get_effective_length(buffer); size_t offset = 0; while (effective_len > 0 && row <= rows - 1) { move_cursor(row++, half_width); /* Calculate the chunk size based on effective length */ size_t chunk_size = (effective_len > (cols - half_width)) ? (cols - half_width) : effective_len; /* Find the actual end position in the string to avoid cutting ANSI sequences */ size_t actual_end = offset; size_t visible_count = 0; int in_ansi_sequence = 0; while (visible_count < chunk_size && buffer[actual_end] != '\0') { if (buffer[actual_end] == '\033') { in_ansi_sequence = 1; } if (!in_ansi_sequence) { visible_count++; } if (in_ansi_sequence && buffer[actual_end] == 'm') { in_ansi_sequence = 0; } actual_end++; } /* Print the chunk from `offset` to `actual_end` */ print_chunk(buffer, offset, actual_end); /* Update offsets based on the effective length and ANSI-aware chunk */ offset = actual_end; effective_len -= chunk_size; putchar('\n'); } /* Check if the line ends with the ANSI reset sequence `\033[0m` */ size_t len = strlen(buffer); if (len >= 4 && strcmp(&buffer[len - 4], "\033[0m") == 0) { /* Line ends with ANSI reset, print it */ printf("\033[0m"); } } fclose(stream); waitpid(pid, NULL, 0); } else { wpprintw("fork failed: %s", strerror(errno)); } } /* * Opens $EDITOR to edit the file */ void edit_file(void) { if (!strcmp(editor, "")) { editor = getenv("EDITOR"); if (!editor) { wpprintw("$EDITOR not defined"); return; } } else { char *filename = files->items[sel_file].path; pid_t pid = fork(); if (pid == 0) { /* Child process */ execlp(editor, editor, filename, NULL); _exit(1); /* Exit if exec fails */ } else if (pid > 0) { /* Parent process */ waitpid(pid, NULL, 0); } else { /* Fork failed */ wpprintw("fork failed: %s", strerror(errno)); } } } void toggle_executable(void) { file f = files->items[sel_file]; struct stat st; if (stat(f.path, &st) == -1) { wpprintw("stat failed: %s (Press any key to continue)", strerror(errno)); readch(); return; } if (f.type == DRY) return; /* chmod by xor executable bits */ if (chmod(f.path, st.st_mode ^ (S_IXUSR | S_IXGRP | S_IXOTH)) == -1) { wpprintw("Error toggling executable: %s (Press any key to continue)", strerror(errno)); readch(); } } void replace_home(char *str) { char *home = getenv("HOME"); if (!home) { wpprintw("$HOME not defined"); return; } int len = strlen(str) + strlen(home) + 1; char newstr[len]; /* replace ~ with home */ snprintf(newstr, len, "%s%s", home, str + 1); strcpy(str, newstr); } int write_last_d(void) { if (!strcmp(last_d, "")) { strcpy(last_d, getenv("CCC_LAST_D")); if (!strcmp(last_d, "")) { wpprintw("$CCC_LAST_D not defined (Press any key to continue)"); return -1; } } else { if (last_d[0] == '~') replace_home(last_d); char last_ddup[PATH_MAX]; strcpy(last_ddup, last_d); char *last_d_dir = strrchr(last_ddup, '/'); if (last_d_dir) { *last_d_dir = '\0'; /* truncate string */ } mkdir_p(last_ddup); FILE *last_d_file = fopen(last_d, "w"); if (!last_d_file) { wpprintw("Cannot open last directory file (Press any key to continue)"); return -1; } fwrite(cwd, strlen(cwd), sizeof(char), last_d_file); fclose(last_d_file); } return 0; } int sort_compare(const void *a, const void *b) { return strcmp(((file *) a)->name, ((file *) b)->name); } void sort_files(void) { qsort(files->items, files->length, sizeof(file), sort_compare); } char *get_panel_string(char *prompt) { size_t bufsize = 128; char *buf = memalloc(bufsize); size_t buflen = 0; buf[0] = '\0'; bprintf("\033[?25h"); while (1) { wpprintw("%s%s", prompt, buf); int c = readch(); if (c == BACKSPACE) { if (buflen != 0) { buf[--buflen] = '\0'; } } else if (c == '\033') { wpprintw(""); free(buf); bprintf("\033[?25l"); return NULL; } else if (c == '\r') { wpprintw(""); if (buflen != 0) { bprintf("\033[?25l"); return buf; } } else if (!iscntrl(c) && c < 128) { if (buflen == bufsize - 1) { bufsize *= 2; buf = realloc(buf, bufsize); } buf[buflen++] = c; buf[buflen] = '\0'; } } if (buf[0] == '~') replace_home(buf); bprintf("\033[?25l"); return buf; } void rename_file(void) { char *filename = files->items[sel_file].path; char *input = get_panel_string("Rename file: "); if (!input) { return; } char newfilename[PATH_MAX]; strcpy(newfilename, filename); /* remove basename of newfilename */ char *last_slash = strrchr(newfilename, '/'); *last_slash = '\0'; /* add the slash back to newfilename */ strcat(newfilename, "/"); strcat(newfilename, input); if (rename(filename, newfilename)) { wpprintw("rename failed: %s (Press any key to continue)", strerror(errno)); readch(); } else { change_dir(cwd, 0, 0); wpprintw("Renamed %s to %s", filename, newfilename); } free(input); } void goto_dir(void) { char *input = get_panel_string("Goto dir: "); if (!input) { return; } struct stat st; if (lstat(input, &st)) { wpprintw("lstat failed: %s (Press any key to continue)", strerror(errno)); readch(); } /* chdir to directory from argument */ if (S_ISDIR(st.st_mode) && chdir(input)) { wpprintw("chdir failed: %s (Press any key to continue)", strerror(errno)); readch(); } char new_cwd[PATH_MAX]; getcwd(new_cwd, PATH_MAX); change_dir(new_cwd, 0, 0); free(input); } void create_dir(void) { char *input = get_panel_string("New dir: "); if (!input) { return; } char newfilename[PATH_MAX]; snprintf(newfilename, PATH_MAX, "%s/%s", cwd, input); if (access(newfilename, F_OK) != 0) { mkdir_p(newfilename); change_dir(cwd, 0, 0); wpprintw("Created %s", input); } else { wpprintw("Directory already exist"); } free(input); } void create_file(void) { char *input = get_panel_string("New file: "); if (!input) { return; } FILE *f = fopen(input, "w+"); fclose(f); change_dir(cwd, 0, 0); wpprintw("Created %s", input); free(input); } void delete_files(void) { if (marked->length) { char *trash_dir = check_trash_dir(); if (trash_dir) { for (int i = 0; i < marked->length; i++) { char new_path[PATH_MAX]; snprintf(new_path, PATH_MAX, "%s/%s", trash_dir, marked->items[i].name); if (rename(marked->items[i].path, new_path)) { wpprintw("delete failed: %s", strerror(errno)); } } change_dir(cwd, 0, 0); for (int i = 0; i < marked->length; i++) { arraylist_remove(marked, 0); } } else { wpprintw("TODO: implement hard delete"); } } } void start_shell(void) { bprintf("\033[2J\033[?25h"); move_cursor(1, 1); char shell[PATH_MAX]; strcpy(shell, getenv("SHELL")); if (strlen(shell) == 0) { strcpy(shell, "sh"); } else { pid_t pid = fork(); if (pid == 0) { /* Child process */ execlp(shell, shell, NULL); _exit(1); /* Exit if exec fails */ } else if (pid > 0) { /* Parent process */ waitpid(pid, NULL, 0); bprintf("\033[?25l"); } else { /* Fork failed */ wpprintw("fork failed: %s", strerror(errno)); } } } void yank_clipboard(void) { pid_t pid = fork(); if (pid == 0) { /* Child process */ execlp(clipboard, clipboard, files->items[sel_file].name, NULL); _exit(1); /* Exit if exec fails */ } else if (pid > 0) { /* Parent process */ waitpid(pid, NULL, 0); bprintf("\033[?25l"); } else { /* Fork failed */ wpprintw("fork failed: %s", strerror(errno)); } } void view_file_attr(void) { bprintf("\033[2J"); move_cursor(1, 1); pid_t pid = fork(); if (pid == 0) { /* Child process */ execlp("stat", "stat", files->items[sel_file].name, NULL); _exit(1); /* Exit if exec fails */ } else if (pid > 0) { /* Parent process */ waitpid(pid, NULL, 0); } else { /* Fork failed */ wpprintw("fork failed: %s", strerror(errno)); } readch(); } void show_history(void) { bprintf("\033[2J"); move_cursor(1, 1); char history_path[PATH_MAX]; strcpy(history_path, "~/.cache/ccc/history"); replace_home(history_path); FILE *history_file = fopen(history_path, "r"); char buffer[PATH_MAX]; int row = 1; while (fgets(buffer, sizeof(buffer), history_file) && row <= rows - 1) { move_cursor(row++, 1); bprintf(buffer); } fclose(history_file); readch(); } void open_with(void) { char *input = get_panel_string("open with: "); if (!input) { return; } pid_t pid = fork(); if (pid == 0) { /* Child process */ if (marked->length > 0) { char *args[marked->length + 2]; args[0] = input; for (int i = 0; i < marked->length; i++) { args[i + 1] = marked->items[i].name; } args[marked->length + 1] = NULL; execvp(input, args); } else { execlp(input, input, files->items[sel_file].name, NULL); } _exit(1); /* Exit if exec fails */ } else if (pid > 0) { /* Parent process */ waitpid(pid, NULL, 0); } else { /* Fork failed */ wpprintw("fork failed: %s", strerror(errno)); } } void open_detached(void) { char *input = get_panel_string("open with (detached): "); if (!input) { return; } pid_t pid = fork(); if (pid == 0) { /* Child process */ if (marked->length > 0) { char *args[marked->length + 3]; args[0] = "nohup"; args[1] = input; for (int i = 0; i < marked->length; i++) { args[i + 2] = marked->items[i].name; } args[marked->length + 1] = NULL; execvp("nohup", args); } else { execlp("nohup", "nohup", input, files->items[sel_file].name, NULL); } _exit(1); /* Exit if exec fails */ } else if (pid > 0) { /* Parent process */ waitpid(pid, NULL, 0); } else { /* Fork failed */ wpprintw("fork failed: %s", strerror(errno)); } } /* * Print line to the panel */ void wpprintw(const char *fmt, ...) { char buffer[256]; va_list args; va_start(args, fmt); vsnprintf(buffer, sizeof(buffer), fmt, args); va_end(args); move_cursor(rows, 1); /* Clear line and print formatted string */ bprintf("\033[K%s", buffer); } void move_cursor(int row, int col) { bprintf("\033[%d;%dH", row, col); } int readch(void) { int nread; char c; while ((nread = read(STDIN_FILENO, &c, 1)) != 1) { if (nread == -1 && errno != EAGAIN) { die("read"); } } if (c == '\033') { char seq[3]; if (read(STDIN_FILENO, &seq[0], 1) != 1) return '\033'; if (read(STDIN_FILENO, &seq[1], 1) != 1) return '\033'; if (seq[0] == '[') { if (seq[1] >= '0' && seq[1] <= '9') { if (read(STDIN_FILENO, &seq[2], 1) != 1) return '\033'; if (seq[2] == '~') { switch (seq[1]) { case '1': return HOME_KEY; case '3': return DEL_KEY; case '4': return END_KEY; case '5': return PAGE_UP; case '6': return PAGE_DOWN; case '7': return HOME_KEY; case '8': return END_KEY; } } } else { switch (seq[1]) { case 'A': return ARROW_UP; case 'B': return ARROW_DOWN; case 'C': return ARROW_RIGHT; case 'D': return ARROW_LEFT; case 'F': return END_KEY; case 'H': return HOME_KEY; } } } else if (seq[0] == 'O') { switch (seq[1]) { case 'F': return END_KEY; case 'H': return HOME_KEY; } } return '\033'; } else { return c; } } int get_cursor_position(int *rows, int *cols) { char buf[32]; unsigned int i = 0; bprintf("\033[6n"); while (i < sizeof(buf) - 1) { if (read(STDIN_FILENO, &buf[i], 1) != 1) { break; } if (buf[i] == 'R') { break; } i++; } buf[i] = '\0'; if (buf[0] != '\033' || buf[1] != '[') { return -1; } if (sscanf(&buf[2], "%d;%d", rows, cols) != 2) { return -1; } return 0; } int get_window_size(int *row, int *col) { struct winsize ws; if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == -1 || ws.ws_col == 0) { /* Can't get window size */ bprintf("\033[999C\033[999B"); return get_cursor_position(row, col); } else { *col = ws.ws_col; *row = ws.ws_row; return 0; } } /* * printf, but write to STDOUT_FILENO */ void bprintf(const char *fmt, ...) { char buffer[512]; va_list args; va_start(args, fmt); vsnprintf(buffer, sizeof(buffer), fmt, args); va_end(args); write(STDOUT_FILENO, buffer, strlen(buffer)); }