source: variable.c @ fbe04c6

Last change on this file since fbe04c6 was acef4ad9, checked in by David Benjamin <davidben@mit.edu>, 11 years ago
Add BarnOwl::get_variable_info Returns a dictionary about a given variable.
  • Property mode set to 100644
File size: 45.8 KB
Line 
1#include "owl.h"
2#include <stdio.h>
3#include "gmarshal_funcs.h"
4
5/* TODO(davidben): When we can require 2.30 and up, remove this. */
6#ifndef G_VALUE_INIT
7#define G_VALUE_INIT { 0, { { 0 } } }
8#endif
9
10typedef const char *(*get_string_t)(const owl_variable *);
11typedef int (*get_int_t)(const owl_variable *);
12typedef bool (*get_bool_t)(const owl_variable *);
13
14typedef int (*set_string_t)(owl_variable *, const char *);
15typedef int (*set_int_t)(owl_variable *, int);
16typedef int (*set_bool_t)(owl_variable *, bool);
17
18typedef int (*validate_string_t)(const owl_variable *, const char *);
19typedef int (*validate_int_t)(const owl_variable *, int);
20typedef int (*validate_bool_t)(const owl_variable *, bool);
21
22static void owl_variable_dict_newvar_bool_full(owl_vardict *vd,
23                                               const char *name,
24                                               bool default_val,
25                                               const char *summary,
26                                               const char *description,
27                                               validate_bool_t validate_fn,
28                                               set_bool_t set_fn,
29                                               get_bool_t get_fn);
30
31static void owl_variable_dict_newvar_string_full(owl_vardict *vd,
32                                                 const char *name,
33                                                 const char *default_val,
34                                                 const char *summary,
35                                                 const char *description,
36                                                 const char *validsettings,
37                                                 validate_string_t validate_fn,
38                                                 set_string_t set_fn,
39                                                 get_string_t get_fn);
40
41static void owl_variable_dict_newvar_int_full(owl_vardict *vd,
42                                              const char *name,
43                                              int default_val,
44                                              const char *summary,
45                                              const char *description,
46                                              const char *validsettings,
47                                              validate_int_t validate_fn,
48                                              set_int_t set_fn,
49                                              get_int_t get_fn);
50
51static void owl_variable_dict_newvar_enum_full(owl_vardict *vd,
52                                               const char *name,
53                                               int default_val,
54                                               const char *summary,
55                                               const char *description,
56                                               const char *validsettings,
57                                               validate_int_t validate_fn,
58                                               set_int_t set_fn,
59                                               get_int_t get_fn);
60
61#define OWLVAR_BOOL(name, default, summary, description) \
62        owl_variable_dict_newvar_bool(vd, name, default, summary, description)
63
64#define OWLVAR_BOOL_FULL(name, default, summary, description, validate, set, get) \
65        owl_variable_dict_newvar_bool_full(vd, name, default, summary, description, \
66                                           validate, set, get)
67
68#define OWLVAR_INT(name, default, summary, description) \
69        owl_variable_dict_newvar_int(vd, name, default, summary, description)
70
71#define OWLVAR_INT_FULL(name,default,summary,description,validset,validate,set,get) \
72        owl_variable_dict_newvar_int_full(vd, name, default, summary, description, \
73                                          validset, validate, set, get)
74
75#define OWLVAR_PATH(name, default, summary, description) \
76        owl_variable_dict_newvar_path(vd, name, default, summary, description)
77
78#define OWLVAR_STRING(name, default, summary, description) \
79        owl_variable_dict_newvar_string(vd, name, default, summary, description)
80
81#define OWLVAR_STRING_FULL(name, default, validset, summary, description, validate, set, get) \
82        owl_variable_dict_newvar_string_full(vd, name, default, summary, description, \
83                                             validset, validate, set, get)
84
85/* enums are really integers, but where validset is a comma-separated
86 * list of strings which can be specified.  The tokens, starting at 0,
87 * correspond to the values that may be specified. */
88#define OWLVAR_ENUM(name, default, summary, description, validset) \
89        owl_variable_dict_newvar_enum(vd, name, default, summary, description, validset)
90
91#define OWLVAR_ENUM_FULL(name,default,summary,description,validset,validate, set, get) \
92        owl_variable_dict_newvar_enum_full(vd, name, default, summary, description, \
93                                           validset, validate, set, get)
94
95void owl_variable_add_defaults(owl_vardict *vd)
96{
97  OWLVAR_STRING( "personalbell" /* %OwlVarStub */, "off",
98                 "ring the terminal bell when personal messages are received",
99                 "Can be set to 'on', 'off', or the name of a filter which\n"
100                 "messages need to match in order to ring the bell");
101
102  OWLVAR_BOOL( "bell" /* %OwlVarStub */, 1,
103               "enable / disable the terminal bell", "" );
104
105  OWLVAR_BOOL_FULL( "debug" /* %OwlVarStub */, OWL_DEBUG,
106                    "whether debugging is enabled",
107                    "If set to 'on', debugging messages are logged to the\n"
108                    "file specified by the debugfile variable.\n",
109                    NULL, owl_variable_debug_set, NULL);
110
111  OWLVAR_BOOL( "startuplogin" /* %OwlVarStub */, 1,
112               "send a login message when BarnOwl starts", "" );
113
114  OWLVAR_BOOL( "shutdownlogout" /* %OwlVarStub */, 1,
115               "send a logout message when BarnOwl exits", "" );
116
117  OWLVAR_BOOL( "rxping" /* %OwlVarStub */, 0,
118               "display received pings", "" );
119
120  OWLVAR_BOOL( "txping" /* %OwlVarStub */, 1,
121               "send pings", "" );
122
123  OWLVAR_BOOL( "sepbar_disable" /* %OwlVarStub */, 0,
124               "disable printing information in the separator bar", "" );
125
126  OWLVAR_BOOL( "smartstrip" /* %OwlVarStub */, 1,
127               "strip kerberos instance for reply", "");
128
129  OWLVAR_BOOL( "newlinestrip" /* %OwlVarStub */, 1,
130               "strip leading and trailing newlines", "");
131
132  OWLVAR_BOOL( "displayoutgoing" /* %OwlVarStub */, 1,
133               "display outgoing messages", "" );
134
135  OWLVAR_BOOL( "loginsubs" /* %OwlVarStub */, 1,
136               "load logins from .anyone on startup", "" );
137
138  OWLVAR_BOOL( "logging" /* %OwlVarStub */, 0,
139               "turn personal logging on or off", 
140               "If this is set to on, personal messages are\n"
141               "logged in the directory specified\n"
142               "by the 'logpath' variable.  The filename in that\n"
143               "directory is derived from the sender of the message.\n" );
144
145  OWLVAR_BOOL( "classlogging" /* %OwlVarStub */, 0,
146               "turn class logging on or off",
147               "If this is set to on, class messages are\n"
148               "logged in the directory specified\n"
149               "by the 'classlogpath' variable.\n" 
150               "The filename in that directory is derived from\n"
151               "the name of the class to which the message was sent.\n" );
152
153  OWLVAR_ENUM( "loggingdirection" /* %OwlVarStub */, OWL_LOGGING_DIRECTION_BOTH,
154               "specifies which kind of messages should be logged",
155               "Can be one of 'both', 'in', or 'out'.  If 'in' is\n"
156               "selected, only incoming messages are logged, if 'out'\n"
157               "is selected only outgoing messages are logged.  If 'both'\n"
158               "is selected both incoming and outgoing messages are\n"
159               "logged.",
160               "both,in,out");
161
162  OWLVAR_BOOL_FULL( "colorztext" /* %OwlVarStub */, 1,
163                    "allow @color() in zephyrs to change color",
164                    "", NULL, owl_variable_colorztext_set, NULL);
165
166  OWLVAR_BOOL( "fancylines" /* %OwlVarStub */, 1,
167               "Use 'nice' line drawing on the terminal.",
168               "If turned off, dashes, pipes and pluses will be used\n"
169               "to draw lines on the screen.  Useful when the terminal\n"
170               "is causing problems" );
171
172  OWLVAR_BOOL( "zcrypt" /* %OwlVarStub */, 1,
173               "Do automatic zcrypt processing",
174               "" );
175
176  OWLVAR_BOOL_FULL( "pseudologins" /* %OwlVarStub */, 0,
177                    "Enable zephyr pseudo logins",
178                    "When this is enabled, BarnOwl will periodically check the zephyr\n"
179                    "location of users in your .anyone file.  If a user is present\n"
180                    "but sent no login message, or a user is not present that sent no\n"
181                    "logout message, a pseudo login or logout message will be created\n",
182                    NULL, owl_variable_pseudologins_set, NULL);
183
184  OWLVAR_BOOL( "ignorelogins" /* %OwlVarStub */, 0,
185               "Enable printing of login notifications",
186               "When this is enabled, BarnOwl will print login and logout notifications\n"
187               "for AIM, zephyr, or other protocols.  If disabled BarnOwl will not print\n"
188               "login or logout notifications.\n");
189
190  OWLVAR_STRING( "logfilter" /* %OwlVarStub */, "",
191                 "name of a filter controlling which messages to log",
192
193                 "If non empty, any messages matching the given filter will be logged.\n"
194                 "This is a completely separate mechanism from the other logging\n"
195                 "variables like logging, classlogging, loglogins, loggingdirection,\n"
196                 "etc.  If you want this variable to control all logging, make sure\n"
197                 "all other logging variables are in their default state.\n");
198
199  OWLVAR_BOOL( "loglogins" /* %OwlVarStub */, 0,
200               "Enable logging of login notifications",
201               "When this is enabled, BarnOwl will log login and logout notifications\n"
202               "for AIM, zephyr, or other protocols.  If disabled BarnOwl will not print\n"
203               "login or logout notifications.\n");
204
205  OWLVAR_ENUM_FULL( "disable-ctrl-d" /* %OwlVarStub:lockout_ctrld */, 1,
206                    "don't send zephyrs on C-d",
207                    "If set to 'on', C-d won't send a zephyr from the edit\n"
208                    "window.  If set to 'off', C-d will always send a zephyr\n"
209                    "being composed in the edit window.  If set to 'middle',\n"
210                    "C-d will only ever send a zephyr if the cursor is at\n"
211                    "the end of the message being composed.\n\n"
212                    "Note that this works by changing the C-d keybinding\n"
213                    "in the editmulti keymap.\n",
214                    "off,middle,on",
215                    NULL, owl_variable_disable_ctrl_d_set, NULL);
216
217  OWLVAR_PATH( "logpath" /* %OwlVarStub */, "~/zlog/people",
218               "path for logging personal zephyrs", 
219               "Specifies a directory which must exist.\n"
220               "Files will be created in the directory for each sender.\n");
221
222  OWLVAR_PATH( "classlogpath" /* %OwlVarStub:classlogpath */, "~/zlog/class",
223               "path for logging class zephyrs",
224               "Specifies a directory which must exist.\n"
225               "Files will be created in the directory for each class.\n");
226
227  OWLVAR_PATH( "debug_file" /* %OwlVarStub */, OWL_DEBUG_FILE,
228               "path for logging debug messages when debugging is enabled",
229               "This file will be logged to if 'debug' is set to 'on'.\n"
230               "BarnOwl will append a dot and the current process's pid to the filename.");
231 
232  OWLVAR_PATH( "zsigproc" /* %OwlVarStub:zsigproc */, NULL,
233               "name of a program to run that will generate zsigs",
234               "This program should produce a zsig on stdout when run.\n"
235               "Note that it is important that this program not block.\n\n"
236               "See the documentation for 'zsig' for more information about\n"
237               "how the outgoing zsig is chosen."
238               );
239
240  OWLVAR_PATH( "newmsgproc" /* %OwlVarStub:newmsgproc */, NULL,
241               "name of a program to run when new messages are present",
242               "The named program will be run when BarnOwl receives new\n"
243               "messages.  It will not be run again until the first\n"
244               "instance exits");
245
246  OWLVAR_STRING( "zsender" /* %OwlVarStub */, "",
247             "zephyr sender name",
248         "Allows you to customize the outgoing username in\n"
249         "zephyrs.  If this is unset, it will use your Kerberos\n"
250         "principal. Note that customizing the sender name will\n"
251         "cause your zephyrs to be sent unauthenticated.");
252
253  OWLVAR_STRING( "zsigfunc" /* %OwlVarStub */, "BarnOwl::default_zephyr_signature()",
254                 "zsig perl function",
255                 "Called every time you start a zephyrgram without an\n"
256                 "explicit zsig.  The default setting implements the policy\n"
257                 "described in the documentation for the 'zsig' variable.\n"
258                 "See also BarnOwl::random_zephyr_signature().\n");
259
260  OWLVAR_STRING( "zsig" /* %OwlVarStub */, "",
261                 "zephyr signature",
262                 "The zsig to get on outgoing messages. If this variable is\n"
263                 "unset, 'zsigproc' will be run to generate a zsig. If that is\n"
264                 "also unset, the 'zwrite-signature' zephyr variable will be\n"
265                 "used instead.\n");
266
267  OWLVAR_STRING( "appendtosepbar" /* %OwlVarStub */, "",
268                 "string to append to the end of the sepbar",
269                 "The sepbar is the bar separating the top and bottom\n"
270                 "of the BarnOwl screen.  Any string specified here will\n"
271                 "be displayed on the right of the sepbar\n");
272
273  OWLVAR_BOOL( "zaway" /* %OwlVarStub */, 0,
274               "turn zaway on or off", "" );
275
276  OWLVAR_STRING( "zaway_msg" /* %OwlVarStub */, 
277                 OWL_DEFAULT_ZAWAYMSG,
278                 "zaway msg for responding to zephyrs when away", "" );
279
280  OWLVAR_STRING( "zaway_msg_default" /* %OwlVarStub */, 
281                 OWL_DEFAULT_ZAWAYMSG,
282                 "default zaway message", "" );
283
284  OWLVAR_BOOL_FULL( "aaway" /* %OwlVarStub */, 0,
285                    "Set AIM away status",
286                    "",
287                    NULL, owl_variable_aaway_set, NULL);
288
289  OWLVAR_STRING( "aaway_msg" /* %OwlVarStub */, 
290                 OWL_DEFAULT_AAWAYMSG,
291                 "AIM away msg for responding when away", "" );
292
293  OWLVAR_STRING( "aaway_msg_default" /* %OwlVarStub */, 
294                 OWL_DEFAULT_AAWAYMSG,
295                 "default AIM away message", "" );
296
297  OWLVAR_STRING( "view_home" /* %OwlVarStub */, "all",
298                 "home view to switch to after 'X' and 'V'", 
299                 "SEE ALSO: view, filter\n" );
300
301  OWLVAR_STRING( "alert_filter" /* %OwlVarStub */, "none",
302                 "filter on which to trigger alert actions",
303                 "" );
304
305  OWLVAR_STRING( "alert_action" /* %OwlVarStub */, "nop",
306                 "BarnOwl command to execute for alert actions",
307                 "" );
308
309  OWLVAR_STRING_FULL( "tty" /* %OwlVarStub */, "", "<string>", "tty name for zephyr location", "",
310                      NULL, owl_variable_tty_set, NULL);
311
312  OWLVAR_STRING( "default_style" /* %OwlVarStub */, "default",
313                 "name of the default formatting style",
314                 "This sets the default message formatting style.\n"
315                 "Styles may be created with the 'style' command.\n"
316                 "Some built-in styles include:\n"
317                 "   default  - the default BarnOwl formatting\n"
318                 "   oneline  - one line per-message\n"
319                 "   perl     - legacy perl interface\n"
320                 "\nSEE ALSO: style, show styles, view -s <style>\n"
321                 );
322
323
324  OWLVAR_INT(    "edit:maxfillcols" /* %OwlVarStub:edit_maxfillcols */, 70,
325                 "maximum number of columns for M-q (edit:fill-paragraph) to fill text to",
326                 "This specifies the maximum number of columns for M-q to fill text\n"
327                 "to.  If set to 0, M-q will wrap to the width of the window, and\n"
328                 "values less than 0 disable M-q entirely.\n");
329
330  OWLVAR_INT(    "edit:maxwrapcols" /* %OwlVarStub:edit_maxwrapcols */, 70,
331                 "maximum number of columns for line-wrapping",
332                 "This specifies the maximum number of columns for\n"
333                 "auto-line-wrapping.  If set to 0, text will be wrapped at the\n"
334                 "window width. Values less than 0 disable automatic wrapping.\n"
335                 "\n"
336                 "As a courtesy to recipients, it is recommended that outgoing\n"
337                 "Zephyr messages be no wider than 70 columns.\n");
338
339  OWLVAR_INT( "aim_ignorelogin_timer" /* %OwlVarStub */, 15,
340              "number of seconds after AIM login to ignore login messages",
341              "This specifies the number of seconds to wait after an\n"
342              "AIM login before allowing the receipt of AIM login notifications.\n"
343              "By default this is set to 15.  If you would like to view login\n"
344              "notifications of buddies as soon as you login, set it to 0 instead.");
345
346             
347  OWLVAR_INT_FULL( "typewinsize" /* %OwlVarStub:typwin_lines */, 
348                   OWL_TYPWIN_SIZE,
349                  "number of lines in the typing window", 
350                   "This specifies the height of the window at the\n"
351                   "bottom of the screen where commands are entered\n"
352                   "and where messages are composed.\n",
353                   "int > 0",
354                   owl_variable_int_validate_gt0,
355                   owl_variable_typewinsize_set,
356                   NULL /* use default for get */
357                   );
358
359  OWLVAR_INT( "typewindelta" /* %OwlVarStub */, 0,
360                  "number of lines to add to the typing window when in use",
361                   "On small screens you may want the typing window to\n"
362                   "auto-hide when not entering a command or message.\n"
363                   "This variable is the number of lines to add to the\n"
364           "typing window when it is in use; you can then set\n"
365           "typewinsize to 1.\n\n"
366           "This works a lot better with a non-default scrollmode;\n"
367           "try :set scrollmode pagedcenter.\n");
368
369  OWLVAR_ENUM( "scrollmode" /* %OwlVarStub */, OWL_SCROLLMODE_NORMAL,
370               "how to scroll up and down",
371               "This controls how the screen is scrolled as the\n"
372               "cursor moves between messages being displayed.\n"
373               "The following modes are supported:\n\n"
374               "   normal      - This is the BarnOwl default.  Scrolling happens\n"
375               "                 when it needs to, and an attempt is made to\n"
376               "                 keep the current message roughly near\n"
377               "                 the middle of the screen.\n"
378               "   top         - The current message will always be the\n"
379               "                 the top message displayed.\n"
380               "   neartop     - The current message will be one down\n"
381               "                 from the top message displayed,\n"
382               "                 where possible.\n"
383               "   center      - An attempt is made to keep the current\n"
384               "                 message near the center of the screen.\n"
385               "   paged       - The top message displayed only changes\n"
386               "                 when user moves the cursor to the top\n"
387               "                 or bottom of the screen.  When it moves,\n"
388               "                 the screen will be paged up or down and\n"
389               "                 the cursor will be near the top or\n"
390               "                 the bottom.\n"
391               "   pagedcenter - The top message displayed only changes\n"
392               "                 when user moves the cursor to the top\n"
393               "                 or bottom of the screen.  When it moves,\n"
394               "                 the screen will be paged up or down and\n"
395               "                 the cursor will be near the center.\n",
396               "normal,top,neartop,center,paged,pagedcenter" );
397
398  OWLVAR_BOOL( "narrow-related" /* %OwlVarStub:narrow_related */, 1,
399               "Make smartnarrow use broader filters",
400               "Causes smartfilter to narrow to messages \"related\" to \n"
401               "the current message, as well as ones to the same place.\n\n"
402               "for Zephyr, this controls whether to narrow to e.g. class-help or\n"
403               "class-help.d alone, or to related-class-help, which includes\n"
404               "help, unhelp, help.d, etc.\n\nDefault is true (include unclasses, etc.).\n" );
405
406  OWLVAR_BOOL( "_followlast" /* %OwlVarStub */, 0,
407               "enable automatic following of the last zephyr",
408               "If the cursor is at the last message, it will\n"
409               "continue to follow the last message if this is set.\n"
410               "Note that this is currently risky as you might accidentally\n"
411               "delete a message right as it came in.\n" );
412
413  OWLVAR_STRING_FULL( "default_exposure" /* %OwlVarStub */, "",
414                      "none,opstaff,realm-visible,realm-announced,net-visible,net-announced",
415                      "controls the persistent value for exposure",
416                      "The default exposure level corresponds to the Zephyr exposure value\n"
417                      "in ~/.zephyr.vars.  Defaults to realm-visible if there is no value in\n"
418                      "~/.zephyr.vars.\n"
419                      "See the description of exposure for the values this can be.",
420                      NULL, owl_variable_default_exposure_set, owl_variable_default_exposure_get );
421
422  OWLVAR_STRING_FULL( "exposure" /* %OwlVarStub */, "",
423                      "none,opstaff,realm-visible,realm-announced,net-visible,net-announced",
424                      "controls who can zlocate you",
425                      "The exposure level, defaulting to the value of default_exposure,\n"
426                      "can be one of the following (from least exposure to widest exposure,\n"
427                      "as listed in zctl(1)):\n"
428                      "\n"
429                      "   none            - This completely disables Zephyr for the user. \n"
430                      "                     The user is not registered with Zephyr.  No user\n"
431                      "                     location information is retained by Zephyr.  No\n"
432                      "                     login or logout announcements will be sent.  No\n"
433                      "                     subscriptions will be entered for the user, and\n"
434                      "                     no notices will be displayed by zwgc(1).\n"
435                      "   opstaff         - The user is registered with Zephyr.  No login or\n"
436                      "                     logout announcements will be sent, and location\n"
437                      "                     information will only be visible to Operations\n"
438                      "                     staff.  Default subscriptions and any additional\n"
439                      "                     personal subscriptions will be entered for the\n"
440                      "                     user.\n"
441                      "   realm-visible   - The user is registered with Zephyr.  User\n"
442                      "                     location information is retained by Zephyr and\n"
443                      "                     made available only to users within the user’s\n"
444                      "                     Kerberos realm.  No login or logout\n"
445                      "                     announcements will be sent.  This is the system\n"
446                      "                     default.  Default subscriptions and any\n"
447                      "                     additional personal subscriptions will be\n"
448                      "                     entered for the user.\n"
449                      "   realm-announced - The user is registered with Zephyr.  User\n"
450                      "                     location information is retained by Zephyr and\n"
451                      "                     made available only to users authenticated\n"
452                      "                     within the user’s Kerberos realm.  Login and\n"
453                      "                     logout announcements will be sent, but only to\n"
454                      "                     users within the user’s Kerberos realm who have\n"
455                      "                     explicitly requested such via subscriptions. \n"
456                      "                     Default subscriptions and any additional\n"
457                      "                     personal subscriptions will be entered for the\n"
458                      "                     user.\n"
459                      "   net-visible     - The user is registered with Zephyr.  User\n"
460                      "                     location information is retained by Zephyr and\n"
461                      "                     made available to any authenticated user who\n"
462                      "                     requests such.  Login and logout announcements\n"
463                      "                     will be sent only to users within the user’s\n"
464                      "                     Kerberos realm who have explicitly requested\n"
465                      "                     such via subscriptions.  Default subscriptions\n"
466                      "                     and any additional personal subscriptions will\n"
467                      "                     be entered for the user.\n"
468                      "   net-announced   - The user is registered with Zephyr.  User\n"
469                      "                     location information is retained by Zephyr and\n"
470                      "                     made available to any authenticated user who\n"
471                      "                     requests such.  Login and logout announcements\n"
472                      "                     will be sent to any user has requested such. \n"
473                      "                     Default subscriptions and any additional\n"
474                      "                     personal subscriptions will be entered for the\n"
475                      "                     user.\n",
476                      NULL, owl_variable_exposure_set, NULL /* use default for get */ );
477}
478
479/**************************************************************************/
480/*********************** SPECIFIC TO VARIABLES ****************************/
481/**************************************************************************/
482
483
484/* commonly useful */
485
486int owl_variable_int_validate_gt0(const owl_variable *v, int newval)
487{
488  return !(newval < 1);
489}
490
491int owl_variable_int_validate_positive(const owl_variable *v, int newval)
492{
493  return !(newval < 0);
494}
495
496/* typewinsize */
497int owl_variable_typewinsize_set(owl_variable *v, int newval)
498{
499  int rv;
500  rv = owl_variable_int_set_default(v, newval);
501  if (0 == rv) owl_mainpanel_layout_contents(&g.mainpanel);
502  return(rv);
503}
504
505/* debug (cache value in g->debug) */
506int owl_variable_debug_set(owl_variable *v, bool newval)
507{
508  g.debug = newval;
509  return owl_variable_bool_set_default(v, newval);
510}
511
512/* When 'aaway' is changed, need to notify the AIM server */
513int owl_variable_aaway_set(owl_variable *v, bool newval)
514{
515  if (newval) {
516    owl_aim_set_awaymsg(owl_global_get_aaway_msg(&g));
517  } else {
518    owl_aim_set_awaymsg("");
519  }
520  return owl_variable_bool_set_default(v, newval);
521}
522
523int owl_variable_colorztext_set(owl_variable *v, bool newval)
524{
525  int ret = owl_variable_bool_set_default(v, newval);
526  /* flush the format cache so that we see the update, but only if we're done initializing BarnOwl */
527  if (owl_global_get_msglist(&g) != NULL)
528    owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
529  if (owl_global_get_mainwin(&g) != NULL) {
530    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
531    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
532  }
533  return ret;
534}
535
536int owl_variable_pseudologins_set(owl_variable *v, bool newval)
537{
538  static guint timer = 0;
539  if (newval) {
540    owl_function_zephyr_buddy_check(0);
541    if (timer == 0) {
542      timer = g_timeout_add_seconds(180, owl_zephyr_buddycheck_timer, NULL);
543    }
544  } else {
545    if (timer != 0) {
546      g_source_remove(timer);
547      timer = 0;
548    }
549  }
550  return owl_variable_bool_set_default(v, newval);
551}
552
553/* note that changing the value of this will clobber
554 * any user setting of this */
555int owl_variable_disable_ctrl_d_set(owl_variable *v, int newval)
556{
557  if (!owl_context_is_startup(owl_global_get_context(&g))) {
558    if (newval == 2) {
559      owl_function_command_norv("bindkey editmulti C-d command edit:delete-next-char");
560    } else if (newval == 1) {
561      owl_function_command_norv("bindkey editmulti C-d command edit:done-or-delete");
562    } else {
563      owl_function_command_norv("bindkey editmulti C-d command edit:done");
564    }
565  } 
566  return owl_variable_int_set_default(v, newval);
567}
568
569int owl_variable_tty_set(owl_variable *v, const char *newval)
570{
571  owl_zephyr_set_locationinfo(g_get_host_name(), newval);
572  return owl_variable_string_set_default(v, newval);
573}
574
575int owl_variable_default_exposure_set(owl_variable *v, const char *newval)
576{
577  return owl_zephyr_set_default_exposure(newval);
578}
579
580const char *owl_variable_default_exposure_get(const owl_variable *v)
581{
582  return owl_zephyr_get_default_exposure();
583}
584
585int owl_variable_exposure_set(owl_variable *v, const char *newval)
586{
587  int ret = owl_zephyr_set_exposure(newval);
588  if (ret != 0)
589    return ret;
590  return owl_variable_string_set_default(v, owl_zephyr_normalize_exposure(newval));
591}
592
593/**************************************************************************/
594/****************************** GENERAL ***********************************/
595/**************************************************************************/
596
597void owl_variable_dict_setup(owl_vardict *vd) {
598  owl_dict_create(vd);
599  owl_variable_add_defaults(vd);
600}
601
602CALLER_OWN GClosure *owl_variable_make_closure(owl_variable *v,
603                                               GCallback fn,
604                                               GClosureMarshal marshal) {
605  GClosure *closure = g_cclosure_new_swap(fn, v, NULL);
606  g_closure_set_marshal(closure,marshal);
607  g_closure_ref(closure);
608  g_closure_sink(closure);
609  return closure;
610}
611
612void owl_variable_dict_add_variable(owl_vardict * vardict,
613                                    owl_variable * var) {
614  owl_dict_insert_element(vardict, var->name, var, (void (*)(void *))owl_variable_delete);
615}
616
617static owl_variable *owl_variable_newvar(int type, const char *name, const char *summary, const char *description, const char *validsettings) {
618  owl_variable *var = g_new0(owl_variable, 1);
619  var->type = type;
620  var->name = g_strdup(name);
621  var->summary = g_strdup(summary);
622  var->description = g_strdup(description);
623  var->validsettings = g_strdup(validsettings);
624  return var;
625}
626
627static void owl_variable_dict_newvar_int_full(owl_vardict *vd, const char *name, int default_val, const char *summary, const char *description, const char *validsettings, validate_int_t validate_fn, set_int_t set_fn, get_int_t get_fn)
628{
629  owl_variable *var = owl_variable_newvar(OWL_VARIABLE_INT, name, summary,
630                                          description, validsettings);
631  var->takes_on_off = false;
632  var->get_fn = G_CALLBACK(get_fn ? get_fn : owl_variable_int_get_default);
633  var->set_fn = G_CALLBACK(set_fn ? set_fn : owl_variable_int_set_default);
634  var->validate_fn = G_CALLBACK(validate_fn ? validate_fn : owl_variable_int_validate_default);
635
636  var->get_tostring_fn = owl_variable_make_closure(
637      var, G_CALLBACK(owl_variable_int_get_tostring_default),
638      g_cclosure_user_marshal_STRING__VOID);
639  var->set_fromstring_fn = owl_variable_make_closure(
640      var, G_CALLBACK(owl_variable_int_set_fromstring_default),
641      g_cclosure_user_marshal_INT__STRING);
642
643  g_value_init(&var->val, G_TYPE_INT);
644  owl_variable_set_int(var, default_val);
645
646  var->default_str = owl_variable_get_tostring(var);
647  owl_variable_dict_add_variable(vd, var);
648}
649
650void owl_variable_dict_newvar_int(owl_vardict *vd, const char *name, int default_val, const char *summary, const char *description) {
651  owl_variable_dict_newvar_int_full(vd, name, default_val, summary, description,
652                                    "<int>", NULL, NULL, NULL);
653}
654
655static void owl_variable_dict_newvar_bool_full(owl_vardict *vd, const char *name, bool default_val, const char *summary, const char *description, validate_bool_t validate_fn, set_bool_t set_fn, get_bool_t get_fn)
656{
657  owl_variable *var = owl_variable_newvar(OWL_VARIABLE_BOOL, name, summary,
658                                          description, "on,off");
659  var->takes_on_off = true;
660  var->get_fn = G_CALLBACK(get_fn ? get_fn : owl_variable_bool_get_default);
661  var->set_fn = G_CALLBACK(set_fn ? set_fn : owl_variable_bool_set_default);
662  var->validate_fn = G_CALLBACK(validate_fn ? validate_fn : owl_variable_bool_validate_default);
663
664  var->get_tostring_fn = owl_variable_make_closure(
665      var, G_CALLBACK(owl_variable_bool_get_tostring_default),
666      g_cclosure_user_marshal_STRING__VOID);
667  var->set_fromstring_fn = owl_variable_make_closure(
668      var, G_CALLBACK(owl_variable_bool_set_fromstring_default),
669      g_cclosure_user_marshal_INT__STRING);
670
671  g_value_init(&var->val, G_TYPE_BOOLEAN);
672  owl_variable_set_bool(var, default_val);
673
674  var->default_str = owl_variable_get_tostring(var);
675  owl_variable_dict_add_variable(vd, var);
676}
677
678void owl_variable_dict_newvar_bool(owl_vardict *vd, const char *name, bool default_val, const char *summary, const char *description) {
679  owl_variable_dict_newvar_bool_full(vd, name, default_val, summary, description,
680                                     NULL, NULL, NULL);
681}
682
683static void owl_variable_dict_newvar_string_full(owl_vardict *vd, const char *name, const char *default_val, const char *summary, const char *description, const char *validsettings, validate_string_t validate_fn, set_string_t set_fn, get_string_t get_fn)
684{
685  owl_variable *var = owl_variable_newvar(OWL_VARIABLE_STRING, name, summary,
686                                          description, validsettings);
687  var->takes_on_off = false;
688  var->get_fn = G_CALLBACK(get_fn ? get_fn : owl_variable_string_get_default);
689  var->set_fn = G_CALLBACK(set_fn ? set_fn : owl_variable_string_set_default);
690  var->validate_fn = G_CALLBACK(validate_fn ? validate_fn : owl_variable_string_validate_default);
691
692  var->get_tostring_fn = owl_variable_make_closure(
693      var, G_CALLBACK(owl_variable_string_get_tostring_default),
694      g_cclosure_user_marshal_STRING__VOID);
695  var->set_fromstring_fn = owl_variable_make_closure(
696      var, G_CALLBACK(owl_variable_string_set_fromstring_default),
697      g_cclosure_user_marshal_INT__STRING);
698
699  g_value_init(&var->val, G_TYPE_STRING);
700  owl_variable_set_string(var, default_val);
701
702  var->default_str = owl_variable_get_tostring(var);
703  owl_variable_dict_add_variable(vd, var);
704}
705
706void owl_variable_dict_newvar_string(owl_vardict *vd, const char *name, const char *default_val, const char *summary, const char *description) {
707  owl_variable_dict_newvar_string_full(vd, name, default_val, summary, description,
708                                       "<string>", NULL, NULL, NULL);
709}
710
711void owl_variable_dict_newvar_path(owl_vardict *vd, const char *name, const char *default_val, const char *summary, const char *description) {
712  owl_variable_dict_newvar_string_full(vd, name, default_val, summary, description,
713                                       "<path>", NULL, NULL, NULL);
714}
715
716static void owl_variable_dict_newvar_enum_full(owl_vardict *vd, const char *name, int default_val, const char *summary, const char *description, const char *validsettings, validate_int_t validate_fn, set_int_t set_fn, get_int_t get_fn)
717{
718  owl_variable *var = owl_variable_newvar(OWL_VARIABLE_INT, name, summary,
719                                          description, validsettings);
720  var->takes_on_off = false;
721  var->get_fn = G_CALLBACK(get_fn ? get_fn : owl_variable_int_get_default);
722  var->set_fn = G_CALLBACK(set_fn ? set_fn : owl_variable_int_set_default);
723  var->validate_fn = G_CALLBACK(validate_fn ? validate_fn : owl_variable_enum_validate);
724
725  var->get_tostring_fn = owl_variable_make_closure(
726      var, G_CALLBACK(owl_variable_enum_get_tostring),
727      g_cclosure_user_marshal_STRING__VOID);
728  var->set_fromstring_fn = owl_variable_make_closure(
729      var, G_CALLBACK(owl_variable_enum_set_fromstring),
730      g_cclosure_user_marshal_INT__STRING);
731
732  g_value_init(&var->val, G_TYPE_INT);
733  owl_variable_set_int(var, default_val);
734
735  var->default_str = owl_variable_get_tostring(var);
736  owl_variable_dict_add_variable(vd, var);
737}
738
739void owl_variable_dict_newvar_enum(owl_vardict *vd, const char *name, int default_val, const char *summary, const char *description, const char *validset) {
740  owl_variable_dict_newvar_enum_full(vd, name, default_val, summary, description,
741                                     validset, NULL, NULL, NULL);
742}
743
744void owl_variable_dict_newvar_other(owl_vardict *vd, const char *name, const char *summary, const char *description, const char *validsettings, bool takes_on_off, GClosure *get_tostring_fn, GClosure *set_fromstring_fn)
745{
746  owl_variable *var = owl_variable_newvar(OWL_VARIABLE_OTHER, name, summary,
747                                          description, validsettings);
748  var->takes_on_off = takes_on_off;
749
750  var->get_tostring_fn = g_closure_ref(get_tostring_fn);
751  g_closure_sink(get_tostring_fn);
752
753  var->set_fromstring_fn = g_closure_ref(set_fromstring_fn);
754  g_closure_sink(set_fromstring_fn);
755
756  var->default_str = owl_variable_get_tostring(var);
757
758  /* Note: this'll overwrite any existing variable of that name, even a C one,
759     but it's consistent with previous behavior and commands. */
760  owl_variable_dict_add_variable(vd, var);
761}
762
763void owl_variable_dict_cleanup(owl_vardict *d)
764{
765  owl_dict_cleanup(d, (void (*)(void *))owl_variable_delete);
766}
767
768CALLER_OWN GPtrArray *owl_variable_dict_get_names(const owl_vardict *d) {
769  return owl_dict_get_keys(d);
770}
771
772void owl_variable_delete(owl_variable *v)
773{
774  g_free(v->name);
775  g_free(v->summary);
776  g_free(v->description);
777  g_free(v->default_str);
778  g_free(v->validsettings);
779  g_value_unset(&(v->val));
780  g_closure_unref(v->get_tostring_fn);
781  g_closure_unref(v->set_fromstring_fn);
782
783  g_free(v);
784}
785
786
787const char *owl_variable_get_name(const owl_variable *v)
788{
789  return v->name;
790}
791
792const char *owl_variable_get_description(const owl_variable *v) {
793  return v->description;
794}
795
796const char *owl_variable_get_summary(const owl_variable *v) {
797  return v->summary;
798}
799
800const char *owl_variable_get_validsettings(const owl_variable *v) {
801  return v->validsettings;
802}
803
804bool owl_variable_takes_on_off(const owl_variable *v) {
805  return v->takes_on_off;
806}
807
808int owl_variable_get_type(const owl_variable *v)
809{
810  return v->type;
811}
812
813/* returns 0 on success, prints a status msg if msg is true */
814int owl_variable_set_fromstring(owl_variable *v, const char *value, int msg) {
815  char *tostring;
816  GValue values[] = {G_VALUE_INIT, G_VALUE_INIT};
817  GValue return_box = G_VALUE_INIT;
818  int set_successfully;
819
820  g_value_init(&values[0], G_TYPE_POINTER);
821  g_value_set_pointer(&values[0], NULL);
822  g_value_init(&values[1], G_TYPE_STRING);
823  g_value_set_static_string(&values[1], value);
824  g_value_init(&return_box, G_TYPE_INT);
825  g_closure_invoke(v->set_fromstring_fn, &return_box, 2, values, NULL);
826
827  set_successfully = g_value_get_int(&return_box);
828  if (0 != set_successfully) {
829    if (msg) owl_function_error("Unable to set %s (must be %s)", owl_variable_get_name(v),
830                                owl_variable_get_validsettings(v));
831  } else if (msg) {
832    tostring = owl_variable_get_tostring(v);
833    if (tostring) {
834      owl_function_makemsg("%s = '%s'", owl_variable_get_name(v), tostring);
835    } else {
836      owl_function_makemsg("%s = <null>", owl_variable_get_name(v));
837    }
838    g_free(tostring);
839  }
840
841  g_value_unset(&return_box);
842  g_value_unset(&values[1]);
843  g_value_unset(&values[0]);
844  return set_successfully;
845}
846 
847int owl_variable_set_string(owl_variable *v, const char *newval)
848{
849  g_return_val_if_fail(v->type == OWL_VARIABLE_STRING, -1);
850
851  set_string_t cb = (set_string_t) v->set_fn;
852  return cb(v, newval);
853}
854
855int owl_variable_set_int(owl_variable *v, int newval)
856{
857  g_return_val_if_fail(v->type == OWL_VARIABLE_INT, -1);
858
859  set_int_t cb = (set_int_t) v->set_fn;
860  return cb(v, newval);
861}
862
863int owl_variable_set_bool(owl_variable *v, bool newval) {
864  g_return_val_if_fail(v->type == OWL_VARIABLE_BOOL, -1);
865
866  set_bool_t cb = (set_bool_t) v->set_fn;
867  return cb(v, newval);
868}
869
870int owl_variable_set_bool_on(owl_variable *v)
871{
872  if (v->type != OWL_VARIABLE_BOOL) return -1;
873  return owl_variable_set_bool(v, true);
874}
875
876int owl_variable_set_bool_off(owl_variable *v)
877{
878  if (v->type != OWL_VARIABLE_BOOL) return -1;
879  return owl_variable_set_bool(v, false);
880}
881
882CALLER_OWN char *owl_variable_get_tostring(const owl_variable *v)
883{
884  GValue instance = G_VALUE_INIT;
885  GValue tostring_box = G_VALUE_INIT;
886  char *ret = NULL;
887
888  g_value_init(&instance, G_TYPE_POINTER);
889  g_value_set_pointer(&instance, NULL);
890  g_value_init(&tostring_box, G_TYPE_STRING);
891  g_closure_invoke(v->get_tostring_fn, &tostring_box, 1, &instance, NULL);
892
893  ret = g_value_dup_string(&tostring_box);
894
895  g_value_unset(&tostring_box);
896  g_value_unset(&instance);
897  return ret;
898}
899
900const char *owl_variable_get_default_tostring(const owl_variable *v)
901{
902  return v->default_str;
903}
904
905owl_variable *owl_variable_get_var(const owl_vardict *d, const char *name)
906{
907  return owl_dict_find_element(d, name);
908}
909
910const char *owl_variable_get_string(const owl_variable *v)
911{
912  g_return_val_if_fail(v->type == OWL_VARIABLE_STRING, NULL);
913
914  get_string_t cb = (get_string_t) v->get_fn;
915  return cb(v);
916}
917
918int owl_variable_get_int(const owl_variable *v)
919{
920  g_return_val_if_fail(v->type == OWL_VARIABLE_INT, 0);
921
922  get_int_t cb = (get_int_t) v->get_fn;
923  return cb(v);
924}
925
926bool owl_variable_get_bool(const owl_variable *v)
927{
928  g_return_val_if_fail(v->type == OWL_VARIABLE_BOOL, FALSE);
929
930  get_bool_t cb = (get_bool_t) v->get_fn;
931  return cb(v);
932}
933
934void owl_variable_describe(const owl_variable *v, owl_fmtext *fm)
935{
936  const char *default_str = owl_variable_get_default_tostring(v);
937  char *default_buf;
938
939  if (default_str)
940    default_buf = g_strdup_printf("'%s'", default_str);
941  else
942    default_buf = g_strdup("<null>");
943  owl_fmtext_appendf_normal(fm, OWL_TABSTR "%-20s - %s (default: %s)\n",
944                            owl_variable_get_name(v),
945                            owl_variable_get_summary(v), default_buf);
946  g_free(default_buf);
947}
948
949void owl_variable_get_help(const owl_variable *v, owl_fmtext *fm) {
950  char *tostring;
951  const char *default_str;
952
953  owl_fmtext_append_bold(fm, "OWL VARIABLE\n\n");
954  owl_fmtext_append_normal(fm, OWL_TABSTR);
955  owl_fmtext_append_normal(fm, owl_variable_get_name(v));
956  owl_fmtext_append_normal(fm, " - ");
957  owl_fmtext_append_normal(fm, owl_variable_get_summary(v));
958  owl_fmtext_append_normal(fm, "\n\n");
959
960  owl_fmtext_append_normal(fm, "Current:        ");
961  tostring = owl_variable_get_tostring(v);
962  owl_fmtext_append_normal(fm, (tostring ? tostring : "<null>"));
963  g_free(tostring);
964  owl_fmtext_append_normal(fm, "\n\n");
965
966  default_str = owl_variable_get_default_tostring(v);
967  owl_fmtext_append_normal(fm, "Default:        ");
968  owl_fmtext_append_normal(fm, (default_str ? default_str : "<null>"));
969  owl_fmtext_append_normal(fm, "\n\n");
970
971  owl_fmtext_append_normal(fm, "Valid Settings: ");
972  owl_fmtext_append_normal(fm, owl_variable_get_validsettings(v));
973  owl_fmtext_append_normal(fm, "\n\n");
974
975  if (v->description && *v->description) {
976    owl_fmtext_append_normal(fm, "Description:\n");
977    owl_fmtext_append_normal(fm, owl_variable_get_description(v));
978    owl_fmtext_append_normal(fm, "\n\n");
979  }
980}
981
982
983
984
985/**************************************************************************/
986/*********************** GENERAL TYPE-SPECIFIC ****************************/
987/**************************************************************************/
988
989/* default common functions */
990
991const char *owl_variable_string_get_default(const owl_variable *v) {
992  return g_value_get_string(&(v->val));
993}
994
995int owl_variable_int_get_default(const owl_variable *v) {
996  return g_value_get_int(&(v->val));
997}
998
999bool owl_variable_bool_get_default(const owl_variable *v) {
1000  return g_value_get_boolean(&(v->val));
1001}
1002
1003/* default functions for booleans */
1004
1005int owl_variable_bool_validate_default(const owl_variable *v, bool newval) {
1006  return (newval == 1) || (newval == 0);
1007}
1008
1009int owl_variable_bool_set_default(owl_variable *v, bool newval) {
1010  if (!((validate_bool_t)v->validate_fn)(v, newval))
1011    return -1;
1012
1013  g_value_set_boolean(&(v->val), newval);
1014  return(0);
1015}
1016
1017int owl_variable_bool_set_fromstring_default(owl_variable *v, const char *newval, void *dummy) {
1018  bool i;
1019  if (!strcmp(newval, "on")) {
1020    i = true;
1021  } else if (!strcmp(newval, "off")) {
1022    i = false;
1023  } else {
1024    return(-1);
1025  }
1026
1027  return owl_variable_set_bool(v, i);
1028}
1029
1030CALLER_OWN char *owl_variable_bool_get_tostring_default(const owl_variable *v, void *dummy)
1031{
1032  bool val = owl_variable_get_bool(v);
1033  if (val == 0) {
1034    return g_strdup("off");
1035  } else if (val == 1) {
1036    return g_strdup("on");
1037  } else {
1038    return g_strdup("<invalid>");
1039  }
1040}
1041
1042/* default functions for integers */
1043
1044int owl_variable_int_validate_default(const owl_variable *v, int newval)
1045{
1046  return (1);
1047}
1048
1049int owl_variable_int_set_default(owl_variable *v, int newval) {
1050  if (!((validate_int_t)v->validate_fn)(v, newval))
1051    return -1;
1052
1053  g_value_set_int(&(v->val), newval);
1054  return(0);
1055}
1056
1057int owl_variable_int_set_fromstring_default(owl_variable *v, const char *newval, void *dummy) {
1058  int i;
1059  char *ep;
1060  i = strtol(newval, &ep, 10);
1061  if (*ep || ep==newval) return(-1);
1062  return owl_variable_set_int(v, i);
1063}
1064
1065CALLER_OWN char *owl_variable_int_get_tostring_default(const owl_variable *v, void *dummy)
1066{
1067  return g_strdup_printf("%d", owl_variable_get_int(v));
1068}
1069
1070/* default functions for enums (a variant of integers) */
1071
1072int owl_variable_enum_validate(const owl_variable *v, int newval) {
1073  char **enums;
1074  int nenums, val;
1075  enums = g_strsplit_set(v->validsettings, ",", 0);
1076  nenums = g_strv_length(enums);
1077  g_strfreev(enums);
1078  val = newval;
1079  if (val < 0 || val >= nenums) {
1080    return(0);
1081  }
1082  return(1);
1083}
1084
1085int owl_variable_enum_set_fromstring(owl_variable *v, const char *newval, void *dummy) {
1086  char **enums;
1087  int i, val=-1;
1088  if (newval == NULL) return(-1);
1089  enums = g_strsplit_set(v->validsettings, ",", 0);
1090  for (i = 0; enums[i] != NULL; i++) {
1091    if (0==strcmp(newval, enums[i])) {
1092      val = i;
1093    }
1094  }
1095  g_strfreev(enums);
1096  if (val == -1) return(-1);
1097  return owl_variable_set_int(v, val);
1098}
1099
1100CALLER_OWN char *owl_variable_enum_get_tostring(const owl_variable *v, void *dummy)
1101{
1102  char **enums;
1103  int nenums, i;
1104  char *tostring;
1105
1106  enums = g_strsplit_set(v->validsettings, ",", 0);
1107  nenums = g_strv_length(enums);
1108  i = owl_variable_get_int(v);
1109  if (i<0 || i>=nenums) {
1110    g_strfreev(enums);
1111    return g_strdup_printf("<invalid:%d>", i);
1112  }
1113  tostring = g_strdup(enums[i]);
1114  g_strfreev(enums);
1115  return tostring;
1116}
1117
1118/* default functions for stringeans */
1119
1120int owl_variable_string_validate_default(const owl_variable *v, const char *newval) {
1121  if (newval == NULL) return(0);
1122  else return (1);
1123}
1124
1125int owl_variable_string_set_default(owl_variable *v, const char *newval) {
1126  if (!((validate_string_t)v->validate_fn)(v, newval))
1127    return -1;
1128
1129  g_value_set_string(&(v->val), newval);
1130  return(0);
1131}
1132
1133int owl_variable_string_set_fromstring_default(owl_variable *v, const char *newval, void *dummy) 
1134{
1135  return owl_variable_set_string(v, newval);
1136}
1137
1138CALLER_OWN char *owl_variable_string_get_tostring_default(const owl_variable *v, void *dummy)
1139{
1140  return g_strdup(owl_variable_get_string(v));
1141}
1142
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