bash/bbs/utils/fm/fm/fm.h

   1 /* Copyright (C) 2008 Ricardo Catalinas Jiménez <jimenezrick@gmail.com>
   2  *
   3  * This program is free software: you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation, either version 3 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  */
  16
  17 #ifndef FM_H
  18 #define FM_H
  19
  20 #define _XOPEN_SOURCE 500
  21
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <unistd.h>
  25 #include <string.h>
  26 #include <sys/types.h>
  27 #include <sys/stat.h>
  28 #include <sys/wait.h>
  29 #include <sys/select.h>
  30 #include <dirent.h>
  31 #include <signal.h>
  32 #include <ctype.h>
  33 #include <time.h>
  34 #include <pwd.h>
  35 #include <grp.h>
  36 #include <errno.h>
  37 #include <locale.h>
  38 #include <glib.h>
  39 #include <ncurses.h>
  40
  41 #undef FILE
  42 #define FILE(node) ((File *) (node)->data)
  43 #define NODE(element) ((GNode *) (element)->data)
  44 #define PRINT_ERRNO_AND_EXIT() print_errno_and_exit(errno, __FILE__, __LINE__)
  45 #define PRINT_ERRNO_INFO() print_error_info(errno, __FILE__, __LINE__, NULL)
  46 #define PRINT_ERROR_INFO(message) print_error_info(0, __FILE__, __LINE__, message)
  47 #define PRINT_LAST_INFO() print_info(NULL, -1)
  48
  49 #define DEFAULT_EDITOR "vim"
  50 #define DEFAULT_PAGER "less"
  51 #define DEFAULT_SHELL "bash"
  52 #define DEFAULT_PS_VIEWER "gv"
  53 #define DEFAULT_PDF_VIEWER "xpdf"
  54 #define DEFAULT_IMAGE_VIEWER "display"
  55 #define GETCH_DELAY 5
  56
  57 typedef struct File File;
  58 struct File {
  59         char *name, *link_path;
  60         enum Type {file_type, directory_type} type;
  61         struct stat info;
  62         gboolean read, open, show_dotfiles, link;
  63         GList *line, *dotfiles;
  64         int watch;
  65 };
  66
  67 extern char *program_name;
  68 extern GNode *tree_root;
  69 extern WINDOW *tree_window, *info_window;
  70 extern GList *lines, *selected_line, *first_line, *last_line;
  71
  72 /*  cmd.c  */
  73 void get_key(void);
  74 void run_program(GNode *current_directory, char *program_name_variable,
  75                 char *default_program_name, char *arg, gboolean wait_proccess);
  76 void run_shell(GNode *directory);
  77 void read_file(GNode *file);
  78 void edit_file(GNode *file);
  79
  80 /*  fm.c  */
  81 void clean_up(void);
  82 void print_errno_and_exit(int last_errno, char *file, int line);
  83 void handle_sigsegv(int signal_number);
  84 void handle_sigint(int signal_number);
  85 void set_sighandlers(void);
  86 void unset_sighandlers(void);
  87 void print_usage(void);
  88
  89 /*  fs.c  */
  90 void init_tree(char *name);
  91 File *create_new_file(char *name, char *path, gboolean exit_on_error);
  92 gboolean read_directory(GNode *directory);
  93 void free_element_data(gpointer element_data, gpointer data);
  94 void destroy_dotfiles(GList *dotfiles);
  95 gboolean free_node_data(GNode *node, gpointer data);
  96 void destroy_directory_content(GNode *directory);
  97 void destroy_directory_content_real(GNode *directory, gboolean remove_watch);
  98 void add_dotfiles(GNode *directory);
  99 void remove_dotfiles(GNode *directory);
 100 int file_cmp(File *file1, File *file2);
 101 int file_cmp_list(gconstpointer file1, gconstpointer file2);
 102 void insert_sorted_in_dotfiles(GNode *directory, File *file);
 103 GNode *insert_sorted_in_tree(GNode *directory, File *file);
 104 char *get_path(GNode *file);
 105 GNode *get_next_file_real(GNode *file, gboolean go_deeper);
 106 GNode *get_previous_file(GNode *file);
 107 GNode *get_next_file(GNode *file);
 108 GNode *get_next_file_not_deepper(GNode *file);
 109 char *get_file_info(GNode *file);
 110
 111 /*  ui.c  */
 112 void init_lines(void);
 113 void init_curses(void);
 114 void init_ui(char *name);
 115 void refresh_screen(void);
 116 void handle_sigwinch(int signal_number);
 117 void print_lines(GList *start_line, GList *end_line, gboolean clear_bottom_lines);
 118 void print_parents_lines(GList *line);
 119 void print_line(GList *line);
 120 void clear_info(void);
 121 void print_info(char *message, gboolean bold);
 122 void print_error_info(int last_errno, char *file, int line, char *message);
 123 void update_last_line(void);
 124 void add_directory_content(GNode *directory);
 125 void open_directory(GNode *directory);
 126 void close_directory(GNode *directory);
 127 void update_directory(GNode *directory);
 128 void show_dotfiles(GNode *directory);
 129 void hide_dotfiles(GNode *directory);
 130 void select_line(GList *line);
 131 void select_file(GNode *file);
 132 void select_nth_line(int n_lines);
 133 void scroll_tree(int n_lines);
 134 void select_line_inside_window(void);
 135 void select_next_line_by_first_letter(char letter);
 136 void select_previous_line_by_first_letter(char letter);
 137
 138 #ifdef INOTIFY
 139 #include <sys/inotify.h>
 140
 141 #define CHECK_INOTIFY_ENABLED() if (inotify_enabled == FALSE) return
 142 #define BUFFER_LENGTH 10 * (sizeof(struct inotify_event) + 16)
 143
 144 extern gboolean inotify_enabled, debug_inotify;
 145 extern GHashTable *watches_table;
 146 extern int inotify_descriptor;
 147 extern char events_buffer[BUFFER_LENGTH];
 148
 149 /* ino.c */
 150 void init_inotify(GNode *tree_root);
 151 void stop_inotify(void);
 152 void free_key(gpointer key, gpointer value, gpointer data);
 153 void add_watch_directory(GNode *directory);
 154 void remove_watch_directory(GNode *directory, gboolean remove_watch);
 155 void watch_events(void);
 156 gboolean insert_in_tree(GNode *directory, File *file);
 157 gboolean remove_from_tree(GNode *file, gboolean unmount);
 158 GNode *search_node_by_name(GNode *directory, char *name);
 159 void dump_event(struct inotify_event *event);
 160 void dump_mask(int mask);
 161 #endif
 162
 163 #endif