source: variable.c @ f20daff

Last change on this file since f20daff was f20daff, checked in by David Benjamin <davidben@mit.edu>, 8 years ago
Don't g_value_unset an uninitialized GValue Silences a GObject assertion.
  • Property mode set to 100644
File size: 45.7 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, 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  if (v->type != OWL_VARIABLE_OTHER)
780    g_value_unset(&(v->val));
781  g_closure_unref(v->get_tostring_fn);
782  g_closure_unref(v->set_fromstring_fn);
783
784  g_free(v);
785}
786
787
788const char *owl_variable_get_name(const owl_variable *v)
789{
790  return v->name;
791}
792
793const char *owl_variable_get_description(const owl_variable *v) {
794  return v->description;
795}
796
797const char *owl_variable_get_summary(const owl_variable *v) {
798  return v->summary;
799}
800
801const char *owl_variable_get_validsettings(const owl_variable *v) {
802  return v->validsettings;
803}
804
805int owl_variable_get_type(const owl_variable *v)
806{
807  return v->type;
808}
809
810/* returns 0 on success, prints a status msg if msg is true */
811int owl_variable_set_fromstring(owl_variable *v, const char *value, int msg) {
812  char *tostring;
813  GValue values[] = {G_VALUE_INIT, G_VALUE_INIT};
814  GValue return_box = G_VALUE_INIT;
815  int set_successfully;
816
817  g_value_init(&values[0], G_TYPE_POINTER);
818  g_value_set_pointer(&values[0], NULL);
819  g_value_init(&values[1], G_TYPE_STRING);
820  g_value_set_static_string(&values[1], value);
821  g_value_init(&return_box, G_TYPE_INT);
822  g_closure_invoke(v->set_fromstring_fn, &return_box, 2, values, NULL);
823
824  set_successfully = g_value_get_int(&return_box);
825  if (0 != set_successfully) {
826    if (msg) owl_function_error("Unable to set %s (must be %s)", owl_variable_get_name(v),
827                                owl_variable_get_validsettings(v));
828  } else if (msg) {
829    tostring = owl_variable_get_tostring(v);
830    if (tostring) {
831      owl_function_makemsg("%s = '%s'", owl_variable_get_name(v), tostring);
832    } else {
833      owl_function_makemsg("%s = <null>", owl_variable_get_name(v));
834    }
835    g_free(tostring);
836  }
837
838  g_value_unset(&return_box);
839  g_value_unset(&values[1]);
840  g_value_unset(&values[0]);
841  return set_successfully;
842}
843 
844int owl_variable_set_string(owl_variable *v, const char *newval)
845{
846  g_return_val_if_fail(v->type == OWL_VARIABLE_STRING, -1);
847
848  set_string_t cb = (set_string_t) v->set_fn;
849  return cb(v, newval);
850}
851
852int owl_variable_set_int(owl_variable *v, int newval)
853{
854  g_return_val_if_fail(v->type == OWL_VARIABLE_INT, -1);
855
856  set_int_t cb = (set_int_t) v->set_fn;
857  return cb(v, newval);
858}
859
860int owl_variable_set_bool(owl_variable *v, bool newval) {
861  g_return_val_if_fail(v->type == OWL_VARIABLE_BOOL, -1);
862
863  set_bool_t cb = (set_bool_t) v->set_fn;
864  return cb(v, newval);
865}
866
867int owl_variable_set_bool_on(owl_variable *v)
868{
869  if (v->type != OWL_VARIABLE_BOOL) return -1;
870  return owl_variable_set_bool(v, true);
871}
872
873int owl_variable_set_bool_off(owl_variable *v)
874{
875  if (v->type != OWL_VARIABLE_BOOL) return -1;
876  return owl_variable_set_bool(v, false);
877}
878
879CALLER_OWN char *owl_variable_get_tostring(const owl_variable *v)
880{
881  GValue instance = G_VALUE_INIT;
882  GValue tostring_box = G_VALUE_INIT;
883  char *ret = NULL;
884
885  g_value_init(&instance, G_TYPE_POINTER);
886  g_value_set_pointer(&instance, NULL);
887  g_value_init(&tostring_box, G_TYPE_STRING);
888  g_closure_invoke(v->get_tostring_fn, &tostring_box, 1, &instance, NULL);
889
890  ret = g_value_dup_string(&tostring_box);
891
892  g_value_unset(&tostring_box);
893  g_value_unset(&instance);
894  return ret;
895}
896
897const char *owl_variable_get_default_tostring(const owl_variable *v)
898{
899  return v->default_str;
900}
901
902owl_variable *owl_variable_get_var(const owl_vardict *d, const char *name)
903{
904  return owl_dict_find_element(d, name);
905}
906
907const char *owl_variable_get_string(const owl_variable *v)
908{
909  g_return_val_if_fail(v->type == OWL_VARIABLE_STRING, NULL);
910
911  get_string_t cb = (get_string_t) v->get_fn;
912  return cb(v);
913}
914
915int owl_variable_get_int(const owl_variable *v)
916{
917  g_return_val_if_fail(v->type == OWL_VARIABLE_INT, 0);
918
919  get_int_t cb = (get_int_t) v->get_fn;
920  return cb(v);
921}
922
923bool owl_variable_get_bool(const owl_variable *v)
924{
925  g_return_val_if_fail(v->type == OWL_VARIABLE_BOOL, FALSE);
926
927  get_bool_t cb = (get_bool_t) v->get_fn;
928  return cb(v);
929}
930
931void owl_variable_describe(const owl_variable *v, owl_fmtext *fm)
932{
933  const char *default_str = owl_variable_get_default_tostring(v);
934  char *default_buf;
935
936  if (default_str)
937    default_buf = g_strdup_printf("'%s'", default_str);
938  else
939    default_buf = g_strdup("<null>");
940  owl_fmtext_appendf_normal(fm, OWL_TABSTR "%-20s - %s (default: %s)\n",
941                            owl_variable_get_name(v),
942                            owl_variable_get_summary(v), default_buf);
943  g_free(default_buf);
944}
945
946void owl_variable_get_help(const owl_variable *v, owl_fmtext *fm) {
947  char *tostring;
948  const char *default_str;
949
950  owl_fmtext_append_bold(fm, "OWL VARIABLE\n\n");
951  owl_fmtext_append_normal(fm, OWL_TABSTR);
952  owl_fmtext_append_normal(fm, owl_variable_get_name(v));
953  owl_fmtext_append_normal(fm, " - ");
954  owl_fmtext_append_normal(fm, owl_variable_get_summary(v));
955  owl_fmtext_append_normal(fm, "\n\n");
956
957  owl_fmtext_append_normal(fm, "Current:        ");
958  tostring = owl_variable_get_tostring(v);
959  owl_fmtext_append_normal(fm, (tostring ? tostring : "<null>"));
960  g_free(tostring);
961  owl_fmtext_append_normal(fm, "\n\n");
962
963  default_str = owl_variable_get_default_tostring(v);
964  owl_fmtext_append_normal(fm, "Default:        ");
965  owl_fmtext_append_normal(fm, (default_str ? default_str : "<null>"));
966  owl_fmtext_append_normal(fm, "\n\n");
967
968  owl_fmtext_append_normal(fm, "Valid Settings: ");
969  owl_fmtext_append_normal(fm, owl_variable_get_validsettings(v));
970  owl_fmtext_append_normal(fm, "\n\n");
971
972  if (v->description && *v->description) {
973    owl_fmtext_append_normal(fm, "Description:\n");
974    owl_fmtext_append_normal(fm, owl_variable_get_description(v));
975    owl_fmtext_append_normal(fm, "\n\n");
976  }
977}
978
979
980
981
982/**************************************************************************/
983/*********************** GENERAL TYPE-SPECIFIC ****************************/
984/**************************************************************************/
985
986/* default common functions */
987
988const char *owl_variable_string_get_default(const owl_variable *v) {
989  return g_value_get_string(&(v->val));
990}
991
992int owl_variable_int_get_default(const owl_variable *v) {
993  return g_value_get_int(&(v->val));
994}
995
996bool owl_variable_bool_get_default(const owl_variable *v) {
997  return g_value_get_boolean(&(v->val));
998}
999
1000/* default functions for booleans */
1001
1002int owl_variable_bool_validate_default(const owl_variable *v, bool newval) {
1003  return (newval == 1) || (newval == 0);
1004}
1005
1006int owl_variable_bool_set_default(owl_variable *v, bool newval) {
1007  if (!((validate_bool_t)v->validate_fn)(v, newval))
1008    return -1;
1009
1010  g_value_set_boolean(&(v->val), newval);
1011  return(0);
1012}
1013
1014int owl_variable_bool_set_fromstring_default(owl_variable *v, const char *newval, void *dummy) {
1015  bool i;
1016  if (!strcmp(newval, "on")) {
1017    i = true;
1018  } else if (!strcmp(newval, "off")) {
1019    i = false;
1020  } else {
1021    return(-1);
1022  }
1023
1024  return owl_variable_set_bool(v, i);
1025}
1026
1027CALLER_OWN char *owl_variable_bool_get_tostring_default(const owl_variable *v, void *dummy)
1028{
1029  bool val = owl_variable_get_bool(v);
1030  if (val == 0) {
1031    return g_strdup("off");
1032  } else if (val == 1) {
1033    return g_strdup("on");
1034  } else {
1035    return g_strdup("<invalid>");
1036  }
1037}
1038
1039/* default functions for integers */
1040
1041int owl_variable_int_validate_default(const owl_variable *v, int newval)
1042{
1043  return (1);
1044}
1045
1046int owl_variable_int_set_default(owl_variable *v, int newval) {
1047  if (!((validate_int_t)v->validate_fn)(v, newval))
1048    return -1;
1049
1050  g_value_set_int(&(v->val), newval);
1051  return(0);
1052}
1053
1054int owl_variable_int_set_fromstring_default(owl_variable *v, const char *newval, void *dummy) {
1055  int i;
1056  char *ep;
1057  i = strtol(newval, &ep, 10);
1058  if (*ep || ep==newval) return(-1);
1059  return owl_variable_set_int(v, i);
1060}
1061
1062CALLER_OWN char *owl_variable_int_get_tostring_default(const owl_variable *v, void *dummy)
1063{
1064  return g_strdup_printf("%d", owl_variable_get_int(v));
1065}
1066
1067/* default functions for enums (a variant of integers) */
1068
1069int owl_variable_enum_validate(const owl_variable *v, int newval) {
1070  char **enums;
1071  int nenums, val;
1072  enums = g_strsplit_set(v->validsettings, ",", 0);
1073  nenums = g_strv_length(enums);
1074  g_strfreev(enums);
1075  val = newval;
1076  if (val < 0 || val >= nenums) {
1077    return(0);
1078  }
1079  return(1);
1080}
1081
1082int owl_variable_enum_set_fromstring(owl_variable *v, const char *newval, void *dummy) {
1083  char **enums;
1084  int i, val=-1;
1085  if (newval == NULL) return(-1);
1086  enums = g_strsplit_set(v->validsettings, ",", 0);
1087  for (i = 0; enums[i] != NULL; i++) {
1088    if (0==strcmp(newval, enums[i])) {
1089      val = i;
1090    }
1091  }
1092  g_strfreev(enums);
1093  if (val == -1) return(-1);
1094  return owl_variable_set_int(v, val);
1095}
1096
1097CALLER_OWN char *owl_variable_enum_get_tostring(const owl_variable *v, void *dummy)
1098{
1099  char **enums;
1100  int nenums, i;
1101  char *tostring;
1102
1103  enums = g_strsplit_set(v->validsettings, ",", 0);
1104  nenums = g_strv_length(enums);
1105  i = owl_variable_get_int(v);
1106  if (i<0 || i>=nenums) {
1107    g_strfreev(enums);
1108    return g_strdup_printf("<invalid:%d>", i);
1109  }
1110  tostring = g_strdup(enums[i]);
1111  g_strfreev(enums);
1112  return tostring;
1113}
1114
1115/* default functions for stringeans */
1116
1117int owl_variable_string_validate_default(const owl_variable *v, const char *newval) {
1118  if (newval == NULL) return(0);
1119  else return (1);
1120}
1121
1122int owl_variable_string_set_default(owl_variable *v, const char *newval) {
1123  if (!((validate_string_t)v->validate_fn)(v, newval))
1124    return -1;
1125
1126  g_value_set_string(&(v->val), newval);
1127  return(0);
1128}
1129
1130int owl_variable_string_set_fromstring_default(owl_variable *v, const char *newval, void *dummy) 
1131{
1132  return owl_variable_set_string(v, newval);
1133}
1134
1135CALLER_OWN char *owl_variable_string_get_tostring_default(const owl_variable *v, void *dummy)
1136{
1137  return g_strdup(owl_variable_get_string(v));
1138}
1139
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