source: owl.h @ 07b59ea

release-1.7release-1.8release-1.9
Last change on this file since 07b59ea was 07b59ea, checked in by David Benjamin <davidben@mit.edu>, 11 years ago
Maintain the cursor location with the context stack
  • Property mode set to 100644
File size: 18.3 KB
Line 
1/*  Copyright (c) 2006-2010 The BarnOwl Developers. All rights reserved.
2 *  Copyright (c) 2004 James Kretchmar. All rights reserved.
3 *
4 *  This program is free software. You can redistribute it and/or
5 *  modify under the terms of the Sleepycat License. See the COPYING
6 *  file included with the distribution for more information.
7 */
8
9#ifndef INC_OWL_H
10#define INC_OWL_H
11
12#ifdef HAVE_STDBOOL_H
13#include <stdbool.h>
14#else
15#ifndef HAVE__BOOL
16#define _Bool signed char
17#endif
18#define bool _Bool
19#define false 0
20#define true 1
21#define __bool_true_false_are_defined 1
22#endif  /* HAVE_STDBOOL_H */
23
24#ifndef OWL_PERL
25#include <curses.h>
26#include <panel.h>
27#endif
28#include <sys/param.h>
29#include <EXTERN.h>
30#include <netdb.h>
31#include <regex.h>
32#include <time.h>
33#include <signal.h>
34#include <termios.h>
35#include "libfaim/aim.h"
36#include <wchar.h>
37#include "config.h"
38#include "glib.h"
39#ifdef HAVE_LIBZEPHYR
40#include <zephyr/zephyr.h>
41#endif
42#ifdef HAVE_COM_ERR_H
43#include <com_err.h>
44#endif
45
46/* Perl and curses don't play nice. */
47#ifdef OWL_PERL
48typedef void WINDOW;
49typedef void PANEL;
50/* logout is defined in FreeBSD. */
51#define logout logout_
52#define HAS_BOOL
53#include <perl.h>
54#include "owl_perl.h"
55#undef logout
56#include "XSUB.h"
57#else
58typedef void SV;
59typedef void AV;
60typedef void HV;
61#endif
62
63#include "window.h"
64
65#ifdef  GIT_VERSION
66#define stringify(x)       __stringify(x)
67#define __stringify(x)     #x
68#define OWL_VERSION_STRING stringify(GIT_VERSION)
69#else
70#define OWL_VERSION_STRING PACKAGE_VERSION
71#endif
72
73/* Feature that is being tested to redirect stderr through a pipe.
74 * There may still be some portability problems with this. */
75#define OWL_STDERR_REDIR 1
76
77#define OWL_DEBUG 0
78#define OWL_DEBUG_FILE "/var/tmp/owldebug"
79
80#define OWL_CONFIG_DIR "/.owl"             /* this is relative to the user's home directory */
81#define OWL_STARTUP_FILE "/.owl/startup"   /* this is relative to the user's home directory */
82
83#define OWL_FMTEXT_ATTR_NONE      0
84#define OWL_FMTEXT_ATTR_BOLD      1
85#define OWL_FMTEXT_ATTR_REVERSE   2
86#define OWL_FMTEXT_ATTR_UNDERLINE 4
87
88#define OWL_FMTEXT_UC_BASE 0x100000 /* Unicode Plane 16 - Supplementary Private Use Area-B*/
89#define OWL_FMTEXT_UC_ATTR ( OWL_FMTEXT_UC_BASE | 0x800 )
90#define OWL_FMTEXT_UC_ATTR_MASK 0x7
91#define OWL_FMTEXT_UC_COLOR_BASE ( OWL_FMTEXT_UC_BASE | 0x400 )
92#define OWL_FMTEXT_UC_FGCOLOR OWL_FMTEXT_UC_COLOR_BASE
93#define OWL_FMTEXT_UC_BGCOLOR ( OWL_FMTEXT_UC_COLOR_BASE | 0x200 )
94#define OWL_FMTEXT_UC_DEFAULT_COLOR 0x100
95#define OWL_FMTEXT_UC_FGDEFAULT ( OWL_FMTEXT_UC_FGCOLOR | OWL_FMTEXT_UC_DEFAULT_COLOR )
96#define OWL_FMTEXT_UC_BGDEFAULT ( OWL_FMTEXT_UC_BGCOLOR | OWL_FMTEXT_UC_DEFAULT_COLOR )
97#define OWL_FMTEXT_UC_COLOR_MASK 0xFF
98#define OWL_FMTEXT_UC_ALLCOLOR_MASK ( OWL_FMTEXT_UC_COLOR_MASK | OWL_FMTEXT_UC_DEFAULT_COLOR | 0x200)
99#define OWL_FMTEXT_UC_STARTBYTE_UTF8 '\xf4'
100
101#define OWL_FMTEXT_UTF8_ATTR_NONE "\xf4\x80\xa0\x80"
102#define OWL_FMTEXT_UTF8_FGDEFAULT "\xf4\x80\x94\x80"
103#define OWL_FMTEXT_UTF8_BGDEFAULT "\xf4\x80\x9C\x80"
104
105#define OWL_COLOR_BLACK     0
106#define OWL_COLOR_RED       1
107#define OWL_COLOR_GREEN     2
108#define OWL_COLOR_YELLOW    3
109#define OWL_COLOR_BLUE      4
110#define OWL_COLOR_MAGENTA   5
111#define OWL_COLOR_CYAN      6
112#define OWL_COLOR_WHITE     7
113#define OWL_COLOR_DEFAULT   -1
114#define OWL_COLOR_INVALID   -2
115
116#define OWL_EDITWIN_STYLE_MULTILINE 0
117#define OWL_EDITWIN_STYLE_ONELINE   1
118
119#define OWL_PROTOCOL_ZEPHYR         0
120#define OWL_PROTOCOL_AIM            1
121#define OWL_PROTOCOL_JABBER         2
122#define OWL_PROTOCOL_ICQ            3
123#define OWL_PROTOCOL_YAHOO          4
124#define OWL_PROTOCOL_MSN            5
125
126#define OWL_MESSAGE_DIRECTION_NONE  0
127#define OWL_MESSAGE_DIRECTION_IN    1
128#define OWL_MESSAGE_DIRECTION_OUT   2
129
130#define OWL_IO_READ   1
131#define OWL_IO_WRITE  2
132#define OWL_IO_EXCEPT 4
133
134#define OWL_DIRECTION_NONE      0
135#define OWL_DIRECTION_DOWNWARDS 1
136#define OWL_DIRECTION_UPWARDS   2
137
138#define OWL_LOGGING_DIRECTION_BOTH 0
139#define OWL_LOGGING_DIRECTION_IN   1
140#define OWL_LOGGING_DIRECTION_OUT  2
141
142#define OWL_SCROLLMODE_NORMAL      0
143#define OWL_SCROLLMODE_TOP         1
144#define OWL_SCROLLMODE_NEARTOP     2
145#define OWL_SCROLLMODE_CENTER      3
146#define OWL_SCROLLMODE_PAGED       4
147#define OWL_SCROLLMODE_PAGEDCENTER 5
148
149#define OWL_TAB               3  /* This *HAS* to be the size of TABSTR below */
150#define OWL_TABSTR        "   "
151#define OWL_MSGTAB            7
152#define OWL_TYPWIN_SIZE       8
153#define OWL_HISTORYSIZE       50
154
155/* Indicate current state, as well as what is allowed */
156#define OWL_CTX_ANY          0xffff
157/* Only one of these may be active at a time... */
158#define OWL_CTX_MODE_BITS    0x000f
159#define OWL_CTX_STARTUP      0x0001
160#define OWL_CTX_READCONFIG   0x0002
161#define OWL_CTX_INTERACTIVE  0x0004
162/* Only one of these may be active at a time... */
163#define OWL_CTX_ACTIVE_BITS  0xfff0
164#define OWL_CTX_POPWIN       0x00f0
165#define OWL_CTX_POPLESS      0x0010
166#define OWL_CTX_RECWIN       0x0f00
167#define OWL_CTX_RECV         0x0100
168#define OWL_CTX_TYPWIN       0xf000
169#define OWL_CTX_EDIT         0x7000
170#define OWL_CTX_EDITLINE     0x1000
171#define OWL_CTX_EDITMULTI    0x2000
172#define OWL_CTX_EDITRESPONSE 0x4000
173
174#define OWL_USERCLUE_NONE       0
175#define OWL_USERCLUE_CLASSES    1
176#define OWL_USERCLUE_FOOBAR     2
177#define OWL_USERCLUE_BAZ        4
178
179#define OWL_WEBBROWSER_NONE     0
180#define OWL_WEBBROWSER_NETSCAPE 1
181#define OWL_WEBBROWSER_GALEON   2
182#define OWL_WEBBROWSER_OPERA    3
183
184#define OWL_VARIABLE_OTHER      0
185#define OWL_VARIABLE_INT        1
186#define OWL_VARIABLE_BOOL       2
187#define OWL_VARIABLE_STRING     3
188
189#define OWL_OUTPUT_RETURN       0
190#define OWL_OUTPUT_POPUP        1
191#define OWL_OUTPUT_ADMINMSG     2
192
193#define OWL_FILTER_MAX_DEPTH    300
194
195#define OWL_KEYMAP_MAXSTACK     20
196
197#define OWL_KEYBINDING_COMMAND  1   /* command string */
198#define OWL_KEYBINDING_FUNCTION 2   /* function taking no args */
199
200#define OWL_DEFAULT_ZAWAYMSG    "I'm sorry, but I am currently away from the terminal and am\nnot able to receive your message.\n"
201#define OWL_DEFAULT_AAWAYMSG    "I'm sorry, but I am currently away from the terminal and am\nnot able to receive your message.\n"
202
203#define OWL_CMD_ALIAS_SUMMARY_PREFIX "command alias to: "
204
205#define OWL_WEBZEPHYR_PRINCIPAL "daemon.webzephyr"
206#define OWL_WEBZEPHYR_CLASS     "webzephyr"
207#define OWL_WEBZEPHYR_OPCODE    "webzephyr"
208
209#define OWL_REGEX_QUOTECHARS    "+*.?[]^\\${}()"
210#define OWL_REGEX_QUOTEWITH     "\\"
211
212#if defined(HAVE_DES_STRING_TO_KEY) && defined(HAVE_DES_KEY_SCHED) && defined(HAVE_DES_ECB_ENCRYPT)
213#define OWL_ENABLE_ZCRYPT 1
214#endif
215
216#define OWL_META(key) ((key)|010000)
217/* OWL_CTRL is definied in kepress.c */
218
219#define LINE 2048
220
221#ifdef HAVE_LIBZEPHYR
222/* libzephyr doesn't use const, so we appease the type system with this kludge.
223 * This just casts const char * to char * in a way that doesn't yield a warning
224 * from gcc -Wcast-qual. */
225static inline char *zstr(const char *str)
226{
227  union { char *rw; const char *ro; } u;
228  u.ro = str;
229  return u.rw;
230}
231#endif
232
233/* Convert char *const * into const char *const *.  This conversion is safe,
234 * and implicit in C++ (conv.qual 4) but for some reason not in C. */
235static inline const char *const *strs(char *const *pstr)
236{
237  return (const char *const *)pstr;
238}
239
240typedef struct _owl_variable {
241  char *name;
242  int   type;  /* OWL_VARIABLE_* */
243  void *pval_default;  /* for types other and string */
244  int   ival_default;  /* for types int and bool     */
245  char *validsettings;          /* documentation of valid settings */
246  char *summary;                /* summary of usage */
247  char *description;            /* detailed description */
248  void *val;                    /* current value */
249  int  (*validate_fn)(const struct _owl_variable *v, const void *newval);
250                                /* returns 1 if newval is valid */
251  int  (*set_fn)(struct _owl_variable *v, const void *newval); 
252                                /* sets the variable to a value
253                                 * of the appropriate type.
254                                 * unless documented, this
255                                 * should make a copy.
256                                 * returns 0 on success. */
257  int  (*set_fromstring_fn)(struct _owl_variable *v, const char *newval);
258                                /* sets the variable to a value
259                                 * of the appropriate type.
260                                 * unless documented, this
261                                 * should make a copy.
262                                 * returns 0 on success. */
263  const void *(*get_fn)(const struct _owl_variable *v);
264                                /* returns a reference to the current value.
265                                 * WARNING:  this approach is hard to make
266                                 * thread-safe... */
267  int  (*get_tostring_fn)(const struct _owl_variable *v, 
268                          char *buf, int bufsize, const void *val); 
269                                /* converts val to a string
270                                 * and puts into buf */
271  void (*delete_fn)(struct _owl_variable *v);
272                                /* frees val as needed */
273} owl_variable;
274
275typedef struct _owl_input {
276  int ch;
277  gunichar uch;
278} owl_input;
279
280typedef struct _owl_fmtext {
281  int textlen;
282  int bufflen;
283  char *textbuff;
284  char default_attrs;
285  short default_fgcolor;
286  short default_bgcolor;
287} owl_fmtext;
288
289typedef struct _owl_list {
290  int size;
291  int avail;
292  void **list;
293} owl_list;
294
295typedef struct _owl_dict_el {
296  char *k;                      /* key   */
297  void *v;                      /* value */
298} owl_dict_el;
299
300typedef struct _owl_dict {
301  int size;
302  int avail;
303  owl_dict_el *els;             /* invariant: sorted by k */
304} owl_dict;
305typedef owl_dict owl_vardict;   /* dict of variables */
306typedef owl_dict owl_cmddict;   /* dict of commands */
307
308typedef struct _owl_context {
309  int   mode;
310  void *data;           /* determined by mode */
311  char *keymap;
312  owl_window *cursor;
313} owl_context;
314
315typedef struct _owl_cmd {       /* command */
316  char *name;
317
318  char *summary;                /* one line summary of command */
319  char *usage;                  /* usage synopsis */
320  char *description;            /* long description of command */
321
322  int validctx;                 /* bitmask of valid contexts */
323
324  /* we should probably have a type here that says which of
325   * the following is valid, and maybe make the below into a union... */
326
327  /* Only one of these may be non-NULL ... */
328
329  char *cmd_aliased_to;         /* what this command is aliased to... */
330 
331  /* These don't take any context */
332  char *(*cmd_args_fn)(int argc, const char *const *argv, const char *buff); 
333                                /* takes argv and the full command as buff.
334                                 * caller must free return value if !NULL */
335  void (*cmd_v_fn)(void);       /* takes no args */
336  void (*cmd_i_fn)(int i);      /* takes an int as an arg */
337
338  /* The following also take the active context if it's valid */
339  char *(*cmd_ctxargs_fn)(void *ctx, int argc, const char *const *argv, const char *buff); 
340                                /* takes argv and the full command as buff.
341                                 * caller must free return value if !NULL */
342  void (*cmd_ctxv_fn)(void *ctx);               /* takes no args */
343  void (*cmd_ctxi_fn)(void *ctx, int i);        /* takes an int as an arg */
344  SV *cmd_perl;                                /* Perl closure that takes a list of args */
345} owl_cmd;
346
347
348typedef struct _owl_zwrite {
349  char *zwriteline;
350  char *class;
351  char *inst;
352  char *realm;
353  char *opcode;
354  char *zsig;
355  char *message;
356  owl_list recips;
357  int cc;
358  int noping;
359} owl_zwrite;
360
361typedef struct _owl_pair {
362  const char *key;
363  char *value;
364} owl_pair;
365
366struct _owl_fmtext_cache;
367
368typedef struct _owl_message {
369  int id;
370  int direction;
371#ifdef HAVE_LIBZEPHYR
372  ZNotice_t notice;
373#endif
374  struct _owl_fmtext_cache * fmtext;
375  int delete;
376  const char *hostname;
377  owl_list attributes;            /* this is a list of pairs */
378  char *timestr;
379  time_t time;
380} owl_message;
381
382#define OWL_FMTEXT_CACHE_SIZE 1000
383/* We cache the saved fmtexts for the last bunch of messages we
384   rendered */
385typedef struct _owl_fmtext_cache {
386    owl_message * message;
387    owl_fmtext fmtext;
388} owl_fmtext_cache;
389
390typedef struct _owl_style {
391  char *name;
392  SV *perlobj;
393} owl_style;
394
395typedef struct _owl_mainwin {
396  int curtruncated;
397  int lasttruncated;
398  int lastdisplayed;
399  owl_window *window;
400} owl_mainwin;
401
402typedef struct _owl_viewwin {
403  owl_fmtext fmtext;
404  int textlines;
405  int topline;
406  int rightshift;
407  owl_window *window;
408  gulong sig_redraw_id;
409  void (*onclose_hook) (struct _owl_viewwin *vwin, void *data);
410  void *onclose_hook_data;
411} owl_viewwin;
412 
413typedef struct _owl_popwin {
414  owl_window *border;
415  owl_window *content;
416  int active;
417} owl_popwin;
418 
419typedef struct _owl_msgwin {
420  char *msg;
421  owl_window *window;
422  gulong redraw_id;
423} owl_msgwin;
424
425typedef struct _owl_messagelist {
426  owl_list list;
427} owl_messagelist;
428
429typedef struct _owl_regex {
430  int negate;
431  char *string;
432  regex_t re;
433} owl_regex;
434
435typedef struct _owl_filterelement {
436  int (*match_message)(const struct _owl_filterelement *fe, const owl_message *m);
437  /* Append a string representation of the filterelement onto buf*/
438  void (*print_elt)(const struct _owl_filterelement *fe, GString *buf);
439  /* Operands for and,or,not*/
440  struct _owl_filterelement *left, *right;
441  /* For regex filters*/
442  owl_regex re;
443  /* Used by regexes, filter references, and perl */
444  char *field;
445} owl_filterelement;
446
447typedef struct _owl_filter {
448  char *name;
449  owl_filterelement * root;
450  int fgcolor;
451  int bgcolor;
452} owl_filter;
453
454typedef struct _owl_view {
455  char *name;
456  owl_filter *filter;
457  owl_messagelist ml;
458  const owl_style *style;
459  int cachedmsgid;
460} owl_view;
461
462typedef struct _owl_history {
463  owl_list hist;
464  int cur;
465  int touched;
466  int partial;
467  int repeats;
468} owl_history;
469
470typedef struct _owl_editwin owl_editwin;
471typedef struct _owl_editwin_excursion owl_editwin_excursion;
472
473typedef struct _owl_mainpanel {
474  owl_window *panel;
475  owl_window *typwin;
476  owl_window *sepwin;
477  owl_window *msgwin;
478  owl_window *recwin;
479  int recwinlines;
480} owl_mainpanel;
481
482typedef struct _owl_keybinding {
483  int  *keys;                   /* keypress stack */
484  int   len;                    /* length of stack */
485  int   type;                   /* command or function? */
486  char *desc;                   /* description (or "*user*") */
487  char *command;                /* command, if of type command */
488  void (*function_fn)(void);    /* function ptr, if of type function */
489} owl_keybinding;
490
491typedef struct _owl_keymap {
492  char     *name;               /* name of keymap */
493  char     *desc;               /* description */
494  owl_list  bindings;           /* key bindings */
495  const struct _owl_keymap *parent;     /* parent */
496  void (*default_fn)(owl_input j);      /* default action (takes a keypress) */
497  void (*prealways_fn)(owl_input  j);   /* always called before a keypress is received */
498  void (*postalways_fn)(owl_input  j);  /* always called after keypress is processed */
499} owl_keymap;
500
501typedef struct _owl_keyhandler {
502  owl_dict  keymaps;            /* dictionary of keymaps */
503  const owl_keymap *active;             /* currently active keymap */
504  int       in_esc;             /* escape pressed? */
505  int       kpstack[OWL_KEYMAP_MAXSTACK+1]; /* current stack of keypresses */
506  int       kpstackpos;         /* location in stack (-1 = none) */
507} owl_keyhandler;
508
509typedef struct _owl_buddy {
510  int proto;
511  char *name;
512  int isidle;
513  int idlesince;
514} owl_buddy;
515
516typedef struct _owl_buddylist {
517  owl_list buddies;
518} owl_buddylist;
519
520typedef struct _owl_zbuddylist {
521  owl_list zusers;
522} owl_zbuddylist;
523
524typedef struct _owl_timer {
525  time_t time;
526  int interval;
527  void (*callback)(struct _owl_timer *, void *);
528  void (*destroy)(struct _owl_timer *);
529  void *data;
530} owl_timer;
531
532typedef struct _owl_errqueue {
533  owl_list errlist;
534} owl_errqueue;
535
536typedef struct _owl_colorpair_mgr {
537  int next;
538  short **pairs;
539} owl_colorpair_mgr;
540
541typedef struct _owl_io_dispatch {
542  int fd;                                     /* FD to watch for dispatch. */
543  int mode;
544  int needs_gc;
545  void (*callback)(const struct _owl_io_dispatch *, void *); /* C function to dispatch to. */
546  void (*destroy)(const struct _owl_io_dispatch *);  /* Destructor */
547  void *data;
548} owl_io_dispatch;
549
550typedef struct _owl_ps_action {
551  int needs_gc;
552  int (*callback)(struct _owl_ps_action *, void *);
553  void (*destroy)(struct _owl_ps_action *);
554  void *data;
555} owl_ps_action;
556
557typedef struct _owl_popexec {
558  int refcount;
559  owl_viewwin *vwin;
560  int winactive;
561  pid_t pid;                    /* or 0 if it has terminated */
562  const owl_io_dispatch *dispatch;
563} owl_popexec;
564
565typedef struct _OwlGlobalNotifier OwlGlobalNotifier;
566
567typedef struct _owl_global {
568  OwlGlobalNotifier *gn;
569  owl_mainwin mw;
570  owl_popwin pw;
571  owl_msgwin msgwin;
572  owl_history cmdhist;          /* command history */
573  owl_history msghist;          /* outgoing message history */
574  owl_keyhandler kh;
575  owl_dict filters;
576  GList *filterlist;
577  owl_list puntlist;
578  owl_vardict vars;
579  owl_cmddict cmds;
580  GList *context_stack;
581  owl_errqueue errqueue;
582  int lines, cols;
583  int curmsg, topmsg;
584  int markedmsgid;              /* for finding the marked message when it has moved. */
585  int curmsg_vert_offset;
586  owl_view current_view;
587  owl_messagelist msglist;
588  WINDOW *input_pad;
589  owl_mainpanel mainpanel;
590  gulong typwin_erase_id;
591  int needrefresh;
592  int rightshift;
593  volatile sig_atomic_t resizepending;
594  char *thishost;
595  char *homedir;
596  char *confdir;
597  char *startupfile;
598  int direction;
599  int zaway;
600  char *cur_zaway_msg;
601  int haveconfig;
602  int config_format;
603  void *buffercbdata;
604  owl_editwin *tw;
605  owl_viewwin vw;
606  void *perl;
607  int debug;
608  time_t starttime;
609  time_t lastinputtime;
610  char *startupargs;
611  int userclue;
612  int nextmsgid;
613  int hascolors;
614  int colorpairs;
615  owl_colorpair_mgr cpmgr;
616  pid_t newmsgproc_pid;
617  int malloced, freed;
618  owl_regex search_re;
619  aim_session_t aimsess;
620  aim_conn_t bosconn;
621  owl_timer aim_noop_timer;
622  owl_timer aim_ignorelogin_timer;
623  int aim_loggedin;         /* true if currently logged into AIM */
624  int aim_doprocessing;     /* true if we should process AIM events (like pending login) */
625  char *aim_screenname;     /* currently logged in AIM screen name */
626  char *aim_screenname_for_filters;     /* currently logged in AIM screen name */
627  owl_buddylist buddylist;  /* list of logged in AIM buddies */
628  GQueue *messagequeue;     /* for queueing up aim and other messages */
629  owl_dict styledict;       /* global dictionary of available styles */
630  char *response;           /* response to the last question asked */
631  int havezephyr;
632  int haveaim;
633  int ignoreaimlogin;
634  volatile sig_atomic_t got_err_signal; /* 1 if we got an unexpected signal */
635  volatile siginfo_t err_signal_info;
636  owl_zbuddylist zbuddies;
637  owl_timer zephyr_buddycheck_timer;
638  GList *zaldlist;
639  int pseudologin_notify;
640  struct termios startup_tio;
641  owl_list io_dispatch_list;
642  owl_list psa_list;
643  GList *timerlist;
644  owl_timer *aim_nop_timer;
645  int load_initial_subs;
646  volatile sig_atomic_t interrupted;
647} owl_global;
648
649/* globals */
650extern owl_global g;
651
652#include "owl_prototypes.h"
653
654/* these are missing from the zephyr includes for some reason */
655#ifdef HAVE_LIBZEPHYR
656int ZGetSubscriptions(ZSubscription_t *, int *);
657int ZGetLocations(ZLocations_t *,int *);
658#endif
659
660#endif /* INC_OWL_H */
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