source: owl.h @ 43a306c

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Last change on this file since 43a306c was 43a306c, checked in by Nelson Elhage <nelhage@mit.edu>, 12 years ago
1.0.3
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1/*  Copyright (c) 2006-2008 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#ifndef OWL_PERL
13#include <curses.h>
14#endif
15#include <sys/param.h>
16#include <EXTERN.h>
17#include <netdb.h>
18#include <regex.h>
19#include <time.h>
20#include <signal.h>
21#include <termios.h>
22#include "libfaim/aim.h"
23#include <wchar.h>
24#include "config.h"
25#include "glib.h"
26#ifdef HAVE_LIBZEPHYR
27#include <zephyr/zephyr.h>
28#endif
29#ifdef HAVE_COM_ERR_H
30#include <com_err.h>
31#endif
32
33/* Perl and curses don't play nice. */
34#ifdef OWL_PERL
35typedef void WINDOW;
36/* logout is defined in FreeBSD. */
37#define logout logout_
38/* aim.h defines bool */
39#define HAS_BOOL
40#include <perl.h>
41#include "owl_perl.h"
42#undef logout
43#include "XSUB.h"
44#else
45typedef void SV;
46#endif
47
48static const char owl_h_fileIdent[] = "$Id$";
49
50#define BARNOWL_STRINGIFY(x) _STRINGIFY(x)
51#define _STRINGIFY(x) #x
52
53#ifndef OWL_VERSION_STRING
54#define OWL_VERSION_STRING "1.0.3"
55#endif
56
57/* Feature that is being tested to redirect stderr through a pipe.
58 * There may still be some portability problems with this. */
59#define OWL_STDERR_REDIR 1
60
61#define OWL_DEBUG 0
62#define OWL_DEBUG_FILE "/var/tmp/owldebug"
63
64#define OWL_CONFIG_DIR "/.owl"             /* this is relative to the user's home directory */
65#define OWL_STARTUP_FILE "/.owl/startup"   /* this is relative to the user's home directory */
66
67#define OWL_FMTEXT_ATTR_NONE      0
68#define OWL_FMTEXT_ATTR_BOLD      1
69#define OWL_FMTEXT_ATTR_REVERSE   2
70#define OWL_FMTEXT_ATTR_UNDERLINE 4
71
72#define OWL_FMTEXT_UC_BASE 0x100000 /* Unicode Plane 16 - Supplementary Private Use Area-B*/
73#define OWL_FMTEXT_UC_ATTR ( OWL_FMTEXT_UC_BASE | 0x800 )
74#define OWL_FMTEXT_UC_ATTR_MASK 0x7
75#define OWL_FMTEXT_UC_COLOR_BASE ( OWL_FMTEXT_UC_BASE | 0x400 )
76#define OWL_FMTEXT_UC_FGCOLOR OWL_FMTEXT_UC_COLOR_BASE
77#define OWL_FMTEXT_UC_BGCOLOR ( OWL_FMTEXT_UC_COLOR_BASE | 0x200 )
78#define OWL_FMTEXT_UC_DEFAULT_COLOR 0x100
79#define OWL_FMTEXT_UC_FGDEFAULT ( OWL_FMTEXT_UC_FGCOLOR | OWL_FMTEXT_UC_DEFAULT_COLOR )
80#define OWL_FMTEXT_UC_BGDEFAULT ( OWL_FMTEXT_UC_BGCOLOR | OWL_FMTEXT_UC_DEFAULT_COLOR )
81#define OWL_FMTEXT_UC_COLOR_MASK 0xFF
82#define OWL_FMTEXT_UC_ALLCOLOR_MASK ( OWL_FMTEXT_UC_COLOR_MASK | OWL_FMTEXT_UC_DEFAULT_COLOR | 0x200)
83#define OWL_FMTEXT_UC_STARTBYTE_UTF8 '\xf4'
84
85#define OWL_FMTEXT_UTF8_ATTR_NONE "\xf4\x80\xa0\x80"
86#define OWL_FMTEXT_UTF8_FGDEFAULT "\xf4\x80\x94\x80"
87#define OWL_FMTEXT_UTF8_BGDEFAULT "\xf4\x80\x9C\x80"
88
89#define OWL_COLOR_BLACK     0
90#define OWL_COLOR_RED       1
91#define OWL_COLOR_GREEN     2
92#define OWL_COLOR_YELLOW    3
93#define OWL_COLOR_BLUE      4
94#define OWL_COLOR_MAGENTA   5
95#define OWL_COLOR_CYAN      6
96#define OWL_COLOR_WHITE     7
97#define OWL_COLOR_DEFAULT   -1
98#define OWL_COLOR_INVALID   -2
99
100#define OWL_EDITWIN_STYLE_MULTILINE 0
101#define OWL_EDITWIN_STYLE_ONELINE   1
102
103#define OWL_PROTOCOL_ZEPHYR         0
104#define OWL_PROTOCOL_AIM            1
105#define OWL_PROTOCOL_JABBER         2
106#define OWL_PROTOCOL_ICQ            3
107#define OWL_PROTOCOL_YAHOO          4
108#define OWL_PROTOCOL_MSN            5
109
110#define OWL_MESSAGE_DIRECTION_NONE  0
111#define OWL_MESSAGE_DIRECTION_IN    1
112#define OWL_MESSAGE_DIRECTION_OUT   2
113
114#define OWL_MUX_READ   1
115#define OWL_MUX_WRITE  2
116#define OWL_MUX_EXCEPT 4
117
118#define OWL_DIRECTION_NONE      0
119#define OWL_DIRECTION_DOWNWARDS 1
120#define OWL_DIRECTION_UPWARDS   2
121
122#define OWL_LOGGING_DIRECTION_BOTH 0
123#define OWL_LOGGING_DIRECTION_IN   1
124#define OWL_LOGGING_DIRECTION_OUT  2
125
126#define OWL_SCROLLMODE_NORMAL      0
127#define OWL_SCROLLMODE_TOP         1
128#define OWL_SCROLLMODE_NEARTOP     2
129#define OWL_SCROLLMODE_CENTER      3
130#define OWL_SCROLLMODE_PAGED       4
131#define OWL_SCROLLMODE_PAGEDCENTER 5
132
133#define OWL_TAB               3  /* This *HAS* to be the size of TABSTR below */
134#define OWL_TABSTR        "   "
135#define OWL_MSGTAB            7
136#define OWL_TYPWIN_SIZE       8
137#define OWL_HISTORYSIZE       50
138
139/* Indicate current state, as well as what is allowed */
140#define OWL_CTX_ANY          0xffff
141/* Only one of these may be active at a time... */
142#define OWL_CTX_MODE_BITS    0x000f
143#define OWL_CTX_STARTUP      0x0001
144#define OWL_CTX_READCONFIG   0x0002
145#define OWL_CTX_INTERACTIVE  0x0004
146/* Only one of these may be active at a time... */
147#define OWL_CTX_ACTIVE_BITS  0xfff0
148#define OWL_CTX_POPWIN       0x00f0
149#define OWL_CTX_POPLESS      0x0010
150#define OWL_CTX_RECWIN       0x0f00
151#define OWL_CTX_RECV         0x0100
152#define OWL_CTX_TYPWIN       0xf000
153#define OWL_CTX_EDIT         0x7000
154#define OWL_CTX_EDITLINE     0x1000
155#define OWL_CTX_EDITMULTI    0x2000
156#define OWL_CTX_EDITRESPONSE 0x4000
157
158#define OWL_USERCLUE_NONE       0
159#define OWL_USERCLUE_CLASSES    1
160#define OWL_USERCLUE_FOOBAR     2
161#define OWL_USERCLUE_BAZ        4
162
163#define OWL_WEBBROWSER_NONE     0
164#define OWL_WEBBROWSER_NETSCAPE 1
165#define OWL_WEBBROWSER_GALEON   2
166#define OWL_WEBBROWSER_OPERA    3
167
168#define OWL_VARIABLE_OTHER      0
169#define OWL_VARIABLE_INT        1
170#define OWL_VARIABLE_BOOL       2
171#define OWL_VARIABLE_STRING     3
172
173#define OWL_FILTER_MAX_DEPTH    300
174
175#define OWL_KEYMAP_MAXSTACK     20
176
177#define OWL_KEYBINDING_COMMAND  1   /* command string */
178#define OWL_KEYBINDING_FUNCTION 2   /* function taking no args */
179
180#define OWL_DEFAULT_ZAWAYMSG    "I'm sorry, but I am currently away from the terminal and am\nnot able to receive your message.\n"
181#define OWL_DEFAULT_AAWAYMSG    "I'm sorry, but I am currently away from the terminal and am\nnot able to receive your message.\n"
182
183#define OWL_INCLUDE_REG_TESTS   1  /* whether to build in regression tests */
184
185#define OWL_CMD_ALIAS_SUMMARY_PREFIX "command alias to: "
186
187#define OWL_WEBZEPHYR_PRINCIPAL "daemon.webzephyr"
188#define OWL_WEBZEPHYR_CLASS     "webzephyr"
189#define OWL_WEBZEPHYR_OPCODE    "webzephyr"
190
191#define OWL_REGEX_QUOTECHARS    "+*.?[]^\\${}()"
192#define OWL_REGEX_QUOTEWITH     "\\"
193
194#if defined(HAVE_DES_STRING_TO_KEY) && defined(HAVE_DES_KEY_SCHED) && defined(HAVE_DES_ECB_ENCRYPT)
195#define OWL_ENABLE_ZCRYPT 1
196#endif
197
198#define OWL_META(key) ((key)|010000)
199/* OWL_CTRL is definied in kepress.c */
200
201#define LINE 2048
202
203typedef struct _owl_variable {
204  char *name;
205  int   type;  /* OWL_VARIABLE_* */
206  void *pval_default;  /* for types other and string */
207  int   ival_default;  /* for types int and bool     */
208  char *validsettings;          /* documentation of valid settings */
209  char *summary;                /* summary of usage */
210  char *description;            /* detailed description */
211  void *val;                    /* current value */
212  int  (*validate_fn)(struct _owl_variable *v, void *newval);
213                                /* returns 1 if newval is valid */
214  int  (*set_fn)(struct _owl_variable *v, void *newval); 
215                                /* sets the variable to a value
216                                 * of the appropriate type.
217                                 * unless documented, this
218                                 * should make a copy.
219                                 * returns 0 on success. */
220  int  (*set_fromstring_fn)(struct _owl_variable *v, char *newval);
221                                /* sets the variable to a value
222                                 * of the appropriate type.
223                                 * unless documented, this
224                                 * should make a copy.
225                                 * returns 0 on success. */
226  void *(*get_fn)(struct _owl_variable *v);
227                                /* returns a reference to the current value.
228                                 * WARNING:  this approach is hard to make
229                                 * thread-safe... */
230  int  (*get_tostring_fn)(struct _owl_variable *v, 
231                          char *buf, int bufsize, void *val); 
232                                /* converts val to a string
233                                 * and puts into buf */
234  void  (*free_fn)(struct _owl_variable *v);
235                                /* frees val as needed */
236} owl_variable;
237
238typedef struct _owl_input {
239  int ch;
240  gunichar uch;
241} owl_input;
242
243typedef struct _owl_fmtext {
244  int textlen;
245  int bufflen;
246  char *textbuff;
247  char default_attrs;
248  short default_fgcolor;
249  short default_bgcolor;
250} owl_fmtext;
251
252typedef struct _owl_list {
253  int size;
254  int avail;
255  void **list;
256} owl_list;
257
258typedef struct _owl_dict_el {
259  char *k;                      /* key   */
260  void *v;                      /* value */
261} owl_dict_el;
262
263typedef struct _owl_dict {
264  int size;
265  int avail;
266  owl_dict_el *els;             /* invariant: sorted by k */
267} owl_dict;
268typedef owl_dict owl_vardict;   /* dict of variables */
269typedef owl_dict owl_cmddict;   /* dict of commands */
270
271typedef struct _owl_context {
272  int   mode;
273  void *data;           /* determined by mode */
274} owl_context;
275
276typedef struct _owl_cmd {       /* command */
277  char *name;
278
279  char *summary;                /* one line summary of command */
280  char *usage;                  /* usage synopsis */
281  char *description;            /* long description of command */
282
283  int validctx;                 /* bitmask of valid contexts */
284
285  /* we should probably have a type here that says which of
286   * the following is valid, and maybe make the below into a union... */
287
288  /* Only one of these may be non-NULL ... */
289
290  char *cmd_aliased_to;         /* what this command is aliased to... */
291 
292  /* These don't take any context */
293  char *(*cmd_args_fn)(int argc, char **argv, char *buff); 
294                                /* takes argv and the full command as buff.
295                                 * caller must free return value if !NULL */
296  void (*cmd_v_fn)(void);       /* takes no args */
297  void (*cmd_i_fn)(int i);      /* takes an int as an arg */
298
299  /* The following also take the active context if it's valid */
300  char *(*cmd_ctxargs_fn)(void *ctx, int argc, char **argv, char *buff); 
301                                /* takes argv and the full command as buff.
302                                 * caller must free return value if !NULL */
303  void (*cmd_ctxv_fn)(void *ctx);               /* takes no args */
304  void (*cmd_ctxi_fn)(void *ctx, int i);        /* takes an int as an arg */
305  SV *cmd_perl;                                /* Perl closure that takes a list of args */
306} owl_cmd;
307
308
309typedef struct _owl_zwrite {
310  char *class;
311  char *inst;
312  char *realm;
313  char *opcode;
314  char *zsig;
315  char *message;
316  owl_list recips;
317  int cc;
318  int noping;
319} owl_zwrite;
320
321typedef struct _owl_pair {
322  void *key;
323  void *value;
324} owl_pair;
325
326struct _owl_fmtext_cache;
327
328typedef struct _owl_message {
329  int id;
330  int direction;
331#ifdef HAVE_LIBZEPHYR
332  ZNotice_t notice;
333#endif
334  struct _owl_fmtext_cache * fmtext;
335  int delete;
336  char *hostname;
337  owl_list attributes;            /* this is a list of pairs */
338  char *timestr;
339  time_t time;
340} owl_message;
341
342#define OWL_FMTEXT_CACHE_SIZE 1000
343/* We cache the saved fmtexts for the last bunch of messages we
344   rendered */
345typedef struct _owl_fmtext_cache {
346    owl_message * message;
347    owl_fmtext fmtext;
348} owl_fmtext_cache;
349
350typedef struct _owl_style {
351  char *name;
352  SV *perlobj;
353} owl_style;
354
355typedef struct _owl_mainwin {
356  int curtruncated;
357  int lasttruncated;
358  int lastdisplayed;
359} owl_mainwin;
360
361typedef struct _owl_viewwin {
362  owl_fmtext fmtext;
363  int textlines;
364  int topline;
365  int rightshift;
366  int winlines, wincols;
367  WINDOW *curswin;
368  void (*onclose_hook) (struct _owl_viewwin *vwin, void *data);
369  void *onclose_hook_data;
370} owl_viewwin;
371 
372typedef struct _owl_popwin {
373  WINDOW *borderwin;
374  WINDOW *popwin;
375  int lines;
376  int cols;
377  int active;
378  int needsfirstrefresh;
379  void (*handler) (int ch);
380} owl_popwin;
381
382typedef struct _owl_popexec {
383  int refcount;
384  owl_viewwin *vwin;
385  int winactive;
386  int pid;                      /* or 0 if it has terminated */
387  int rfd; 
388} owl_popexec;
389
390typedef struct _owl_messagelist {
391  owl_list list;
392} owl_messagelist;
393
394typedef struct _owl_regex {
395  int negate;
396  char *string;
397  regex_t re;
398} owl_regex;
399
400typedef struct _owl_filterelement {
401  int (*match_message)(struct _owl_filterelement *fe, owl_message *m);
402  /* Append a string representation of the filterelement onto buf*/
403  void (*print_elt)(struct _owl_filterelement *fe, GString *buf);
404  /* Operands for and,or,not*/
405  struct _owl_filterelement *left, *right;
406  /* For regex filters*/
407  owl_regex re;
408  /* Used by regexes, filter references, and perl */
409  char *field;
410} owl_filterelement;
411
412typedef struct _owl_filter {
413  char *name;
414  int polarity;
415  owl_filterelement * root;
416  int fgcolor;
417  int bgcolor;
418  int cachedmsgid;  /* cached msgid: should move into view eventually */
419} owl_filter;
420
421typedef struct _owl_view {
422  char *name;
423  owl_filter *filter;
424  owl_messagelist ml;
425  owl_style *style;
426} owl_view;
427
428typedef struct _owl_history {
429  owl_list hist;
430  int cur;
431  int touched;
432  int partial;
433  int repeats;
434} owl_history;
435
436typedef struct _owl_editwin {
437  char *buff;
438  owl_history *hist;
439  int bufflen;
440  int allocated;
441  int buffx, buffy;
442  int topline;
443  int winlines, wincols, fillcol, wrapcol;
444  WINDOW *curswin;
445  int style;
446  int lock;
447  int dotsend;
448  int echochar;
449
450  char *command;
451  void (*callback)(struct _owl_editwin*);
452  void *cbdata;
453} owl_editwin;
454
455typedef struct _owl_mux {
456  int handle;                   /* for referencing this */
457  int active;                   /* has this been deleted? */
458  int fd;                     
459  int eventmask;                /* bitmask of OWL_MUX_* */
460  void (*handler_fn)(int handle, int fd, int eventmask, void *data);
461  void *data;                   /* data reference to pass to callback */
462} owl_mux;
463typedef owl_list owl_muxevents;
464
465typedef struct _owl_keybinding {
466  int  *j;                      /* keypress stack (0-terminated) */ 
467  int   type;                   /* command or function? */
468  char *desc;                   /* description (or "*user*") */
469  char *command;                /* command, if of type command */
470  void (*function_fn)(void);    /* function ptr, if of type function */
471} owl_keybinding;
472
473typedef struct _owl_keymap {
474  char     *name;               /* name of keymap */
475  char     *desc;               /* description */
476  owl_list  bindings;           /* key bindings */
477  struct _owl_keymap *submap;   /* submap */
478  void (*default_fn)(owl_input j);      /* default action (takes a keypress) */
479  void (*prealways_fn)(owl_input  j);   /* always called before a keypress is received */
480  void (*postalways_fn)(owl_input  j);  /* always called after keypress is processed */
481} owl_keymap;
482
483typedef struct _owl_keyhandler {
484  owl_dict  keymaps;            /* dictionary of keymaps */
485  owl_keymap *active;           /* currently active keymap */
486  int       in_esc;             /* escape pressed? */
487  int       kpstack[OWL_KEYMAP_MAXSTACK+1]; /* current stack of keypresses */
488  int       kpstackpos;         /* location in stack (-1 = none) */
489} owl_keyhandler;
490
491typedef struct _owl_buddy {
492  int proto;
493  char *name;
494  int isidle;
495  int idlesince;
496} owl_buddy;
497
498typedef struct _owl_buddylist {
499  owl_list buddies;
500} owl_buddylist;
501
502typedef struct _owl_zbuddylist {
503  owl_list zusers;
504} owl_zbuddylist;
505
506typedef struct _owl_timer {
507  int direction;
508  time_t starttime;
509  int start;
510} owl_timer;
511
512typedef struct _owl_errqueue {
513  owl_list errlist;
514} owl_errqueue;
515
516typedef struct _owl_colorpair_mgr {
517  int next;
518  short **pairs;
519} owl_colorpair_mgr;
520
521typedef struct _owl_obarray {
522  owl_list strings;
523} owl_obarray;
524
525typedef struct _owl_dispatch {
526  int fd;           /* FD to watch for dispatch. */
527  void (*cfunc)();  /* C function to dispatch to. */
528  SV *pfunc;        /* Perl function to dispatch to. */
529} owl_dispatch;
530
531typedef struct _owl_global {
532  owl_mainwin mw;
533  owl_popwin pw;
534  owl_history cmdhist;          /* command history */
535  owl_history msghist;          /* outgoing message history */
536  owl_keyhandler kh;
537  owl_list filterlist;
538  owl_list puntlist;
539  owl_muxevents muxevents;      /* fds to dispatch on */
540  owl_vardict vars;
541  owl_cmddict cmds;
542  owl_context ctx;
543  owl_errqueue errqueue;
544  int lines, cols;
545  int curmsg, topmsg;
546  int curmsg_vert_offset;
547  owl_view current_view;
548  owl_messagelist msglist;
549  WINDOW *recwin, *sepwin, *msgwin, *typwin;
550  int needrefresh;
551  int rightshift;
552  int resizepending;
553  int recwinlines;
554  int typwinactive;
555  char *thishost;
556  char *homedir;
557  char *confdir;
558  char *startupfile;
559  int direction;
560  int zaway;
561  char *cur_zaway_msg;
562  int haveconfig;
563  int config_format;
564  void *buffercbdata;
565  owl_editwin tw;
566  owl_viewwin vw;
567  void *perl;
568  int debug;
569  time_t starttime;
570  time_t lastinputtime;
571  char *startupargs;
572  int userclue;
573  int nextmsgid;
574  int hascolors;
575  int colorpairs;
576  owl_colorpair_mgr cpmgr;
577  int searchactive;
578  int newmsgproc_pid;
579  int malloced, freed;
580  char *searchstring;
581  aim_session_t aimsess;
582  aim_conn_t bosconn;
583  owl_timer aim_noop_timer;
584  owl_timer aim_ignorelogin_timer;
585  owl_timer aim_buddyinfo_timer;
586  int aim_loggedin;         /* true if currently logged into AIM */
587  int aim_doprocessing;     /* true if we should process AIM events (like pending login) */
588  char *aim_screenname;     /* currently logged in AIM screen name */
589  char *aim_screenname_for_filters;     /* currently logged in AIM screen name */
590  owl_buddylist buddylist;  /* list of logged in AIM buddies */
591  owl_list messagequeue;    /* for queueing up aim and other messages */
592  owl_dict styledict;       /* global dictionary of available styles */
593  char *response;           /* response to the last question asked */
594  int havezephyr;
595  int haveaim;
596  int got_err_signal;       /* 1 if we got an unexpected signal */
597  siginfo_t err_signal_info;
598  owl_zbuddylist zbuddies;
599  owl_timer zephyr_buddycheck_timer;
600  struct termios startup_tio;
601  owl_obarray obarray;
602  owl_list dispatchlist;
603} owl_global;
604
605/* globals */
606extern owl_global g;
607
608#include "owl_prototypes.h"
609
610/* these are missing from the zephyr includes for some reason */
611#ifdef HAVE_LIBZEPHYR
612int ZGetSubscriptions(ZSubscription_t *, int *);
613int ZGetLocations(ZLocations_t *,int *);
614#endif
615
616#endif /* INC_OWL_H */
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