include/tig/watch.h

   1 /* Copyright (c) 2006-2015 Jonas Fonseca <jonas.fonseca@gmail.com>
   2  *
   3  * This program is free software; you can redistribute it and/or
   4  * modify it under the terms of the GNU General Public License as
   5  * published by the Free Software Foundation; either version 2 of
   6  * the License, or (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
  14 #ifndef TIG_WATCH_H
  15 #define TIG_WATCH_H
  16
  17 #include "tig/tig.h"
  18 #include "tig/types.h"
  19
  20 enum watch_event {
  21         WATCH_EVENT_SWITCH_VIEW,
  22         WATCH_EVENT_AFTER_COMMAND,
  23         WATCH_EVENT_LOAD,
  24         WATCH_EVENT_PERIODIC,
  25 };
  26
  27 enum watch_trigger {
  28         WATCH_NONE                      = 0,
  29         WATCH_INDEX_STAGED_YES          = 1 << 0,
  30         WATCH_INDEX_STAGED_NO           = 1 << 1,
  31         WATCH_INDEX_UNSTAGED_YES        = 1 << 2,
  32         WATCH_INDEX_UNSTAGED_NO         = 1 << 3,
  33         WATCH_HEAD                      = 1 << 4,
  34         WATCH_STASH                     = 1 << 5,
  35         WATCH_REFS                      = 1 << 6,
  36
  37         WATCH_INDEX_STAGED = WATCH_INDEX_STAGED_YES | WATCH_INDEX_STAGED_NO,
  38         WATCH_INDEX_UNSTAGED = WATCH_INDEX_UNSTAGED_YES | WATCH_INDEX_UNSTAGED_NO,
  39         WATCH_INDEX = WATCH_INDEX_STAGED | WATCH_INDEX_UNSTAGED,
  40 };
  41
  42 struct watch {
  43         struct watch *next;
  44         enum watch_trigger triggers;
  45         enum watch_trigger changed;
  46         enum watch_trigger state;
  47 };
  48
  49 void watch_register(struct watch *watch, enum watch_trigger triggers);
  50 void watch_unregister(struct watch *watch);
  51 bool watch_dirty(struct watch *watch);
  52 enum watch_trigger watch_update(enum watch_event event);
  53 enum watch_trigger watch_update_single(struct watch *watch, enum watch_event event);
  54 void watch_apply(struct watch *source, enum watch_trigger changed);
  55 int watch_periodic(int interval);
  56
  57 #endif
  58 /* vim: set ts=8 sw=8 noexpandtab: */