source: variable.c @ 81a5686

Last change on this file since 81a5686 was 81a5686, checked in by Anders Kaseorg <andersk@mit.edu>, 10 years ago
variables_to_init: Copy string literals This squashes the rest of the -Wwrite-strings warnings from temporarily storing string literals in char * fields. Signed-off-by: Anders Kaseorg <andersk@mit.edu>
  • Property mode set to 100644
File size: 42.7 KB
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1#include <stdio.h>
2#include <stdlib.h>
3#include <string.h>
4#include <unistd.h>
5#include <ctype.h>
6#include "owl.h"
7
8#define OWLVAR_BOOL(name,default,summary,description) \
9        { g_strdup(name), OWL_VARIABLE_BOOL, NULL, default, "on,off", g_strdup(summary), g_strdup(description), NULL, \
10        NULL, NULL, NULL, NULL, NULL, NULL }
11
12#define OWLVAR_BOOL_FULL(name,default,summary,description,validate,set,get) \
13        { g_strdup(name), OWL_VARIABLE_BOOL, NULL, default, "on,off", g_strdup(summary), g_strdup(description), NULL, \
14        validate, set, NULL, get, NULL, NULL }
15
16#define OWLVAR_INT(name,default,summary,description) \
17        { g_strdup(name), OWL_VARIABLE_INT, NULL, default, "<int>", g_strdup(summary), g_strdup(description), NULL, \
18        NULL, NULL, NULL, NULL, NULL, NULL }
19
20#define OWLVAR_INT_FULL(name,default,summary,description,validset,validate,set,get) \
21        { g_strdup(name), OWL_VARIABLE_INT, NULL, default, validset, g_strdup(summary), g_strdup(description), NULL, \
22        validate, set, NULL, get, NULL, NULL }
23
24#define OWLVAR_PATH(name,default,summary,description) \
25        { g_strdup(name), OWL_VARIABLE_STRING, g_strdup(default), 0, "<path>", g_strdup(summary), g_strdup(description),  NULL, \
26        NULL, NULL, NULL, NULL, NULL, NULL }
27
28#define OWLVAR_STRING(name,default,summary,description) \
29        { g_strdup(name), OWL_VARIABLE_STRING, g_strdup(default), 0, "<string>", g_strdup(summary), g_strdup(description), NULL, \
30        NULL, NULL, NULL, NULL, NULL, NULL }
31
32#define OWLVAR_STRING_FULL(name,default,validset,summary,description,validate,set,get) \
33        { g_strdup(name), OWL_VARIABLE_STRING, g_strdup(default), 0, validset, g_strdup(summary), g_strdup(description), NULL, \
34        validate, set, NULL, get, NULL, NULL }
35
36/* enums are really integers, but where validset is a comma-separated
37 * list of strings which can be specified.  The tokens, starting at 0,
38 * correspond to the values that may be specified. */
39#define OWLVAR_ENUM(name,default,summary,description,validset) \
40        { g_strdup(name), OWL_VARIABLE_INT, NULL, default, validset, g_strdup(summary), g_strdup(description), NULL, \
41        owl_variable_enum_validate, \
42        NULL, owl_variable_enum_set_fromstring, \
43        NULL, owl_variable_enum_get_tostring, \
44        NULL }
45
46#define OWLVAR_ENUM_FULL(name,default,summary,description,validset,validate, set, get) \
47        { g_strdup(name), OWL_VARIABLE_INT, NULL, default, validset, g_strdup(summary), g_strdup(description), NULL, \
48        validate, \
49        set, owl_variable_enum_set_fromstring, \
50        get, owl_variable_enum_get_tostring, \
51        NULL }
52
53int owl_variable_add_defaults(owl_vardict *vd)
54{
55  owl_variable variables_to_init[] = {
56
57  OWLVAR_STRING( "personalbell" /* %OwlVarStub */, "off",
58                 "ring the terminal bell when personal messages are received",
59                 "Can be set to 'on', 'off', or the name of a filter which\n"
60                 "messages need to match in order to ring the bell"),
61
62  OWLVAR_BOOL( "bell" /* %OwlVarStub */, 1,
63               "enable / disable the terminal bell", "" ),
64
65  OWLVAR_BOOL_FULL( "debug" /* %OwlVarStub */, OWL_DEBUG,
66                    "whether debugging is enabled",
67                    "If set to 'on', debugging messages are logged to the\n"
68                    "file specified by the debugfile variable.\n",
69                    NULL, owl_variable_debug_set, NULL),
70
71  OWLVAR_BOOL( "startuplogin" /* %OwlVarStub */, 1,
72               "send a login message when owl starts", "" ),
73
74  OWLVAR_BOOL( "shutdownlogout" /* %OwlVarStub */, 1,
75               "send a logout message when owl exits", "" ),
76
77  OWLVAR_BOOL( "rxping" /* %OwlVarStub */, 0,
78               "display received pings", "" ),
79
80  OWLVAR_BOOL( "txping" /* %OwlVarStub */, 1,
81               "send pings", "" ),
82
83  OWLVAR_BOOL( "sepbar_disable" /* %OwlVarStub */, 0,
84               "disable printing information in the separator bar", "" ),
85
86  OWLVAR_BOOL( "smartstrip" /* %OwlVarStub */, 1,
87               "strip kerberos instance for reply", ""),
88
89  OWLVAR_BOOL( "newlinestrip" /* %OwlVarStub */, 1,
90               "strip leading and trailing newlines", ""),
91
92  OWLVAR_BOOL( "displayoutgoing" /* %OwlVarStub */, 1,
93               "display outgoing messages", "" ),
94
95  OWLVAR_BOOL( "loginsubs" /* %OwlVarStub */, 1,
96               "load logins from .anyone on startup", "" ),
97
98  OWLVAR_BOOL( "logging" /* %OwlVarStub */, 0,
99               "turn personal logging on or off", 
100               "If this is set to on, personal messages are\n"
101               "logged in the directory specified\n"
102               "by the 'logpath' variable.  The filename in that\n"
103               "directory is derived from the sender of the message.\n" ),
104
105  OWLVAR_BOOL( "classlogging" /* %OwlVarStub */, 0,
106               "turn class logging on or off",
107               "If this is set to on, class messages are\n"
108               "logged in the directory specified\n"
109               "by the 'classlogpath' variable.\n" 
110               "The filename in that directory is derived from\n"
111               "the name of the class to which the message was sent.\n" ),
112
113  OWLVAR_ENUM( "loggingdirection" /* %OwlVarStub */, OWL_LOGGING_DIRECTION_BOTH,
114               "specifies which kind of messages should be logged",
115               "Can be one of 'both', 'in', or 'out'.  If 'in' is\n"
116               "selected, only incoming messages are logged, if 'out'\n"
117               "is selected only outgoing messages are logged.  If 'both'\n"
118               "is selected both incoming and outgoing messages are\n"
119               "logged.",
120               "both,in,out"),
121
122  OWLVAR_BOOL( "colorztext" /* %OwlVarStub */, 1,
123               "allow @color() in zephyrs to change color",
124               "Note that only messages received after this variable\n"
125               "is set will be affected." ),
126
127  OWLVAR_BOOL( "fancylines" /* %OwlVarStub */, 1,
128               "Use 'nice' line drawing on the terminal.",
129               "If turned off, dashes, pipes and pluses will be used\n"
130               "to draw lines on the screen.  Useful when the terminal\n"
131               "is causing problems" ),
132
133  OWLVAR_BOOL( "zcrypt" /* %OwlVarStub */, 1,
134               "Do automatic zcrypt processing",
135               "" ),
136
137  OWLVAR_BOOL_FULL( "pseudologins" /* %OwlVarStub */, 0,
138                    "Enable zephyr pseudo logins",
139                    "When this is enabled, Owl will periodically check the zephyr\n"
140                    "location of users in your .anyone file.  If a user is present\n"
141                    "but sent no login message, or a user is not present that sent no\n"
142                    "logout message, a pseudo login or logout message will be created\n",
143                    NULL, owl_variable_pseudologins_set, NULL),
144
145  OWLVAR_BOOL( "ignorelogins" /* %OwlVarStub */, 0,
146               "Enable printing of login notifications",
147               "When this is enabled, Owl will print login and logout notifications\n"
148               "for AIM, zephyr, or other protocols.  If disabled Owl will not print\n"
149               "login or logout notifications.\n"),
150
151  OWLVAR_STRING( "logfilter" /* %OwlVarStub */, "",
152                 "name of a filter controlling which messages to log",
153
154                 "If non empty, any messages matching the given filter will be logged.\n"
155                 "This is a completely separate mechanism from the other logging\n"
156                 "variables like logging, classlogging, loglogins, loggingdirection,\n"
157                 "etc.  If you want this variable to control all logging, make sure\n"
158                 "all other logging variables are in their default state.\n"),
159
160  OWLVAR_BOOL( "loglogins" /* %OwlVarStub */, 0,
161               "Enable logging of login notifications",
162               "When this is enabled, Owl will login login and logout notifications\n"
163               "for AIM, zephyr, or other protocols.  If disabled Owl will not print\n"
164               "login or logout notifications.\n"),
165
166  OWLVAR_ENUM_FULL( "disable-ctrl-d" /* %OwlVarStub:lockout_ctrld */, 1,
167                    "don't send zephyrs on C-d",
168                    "If set to 'off', C-d won't send a zephyr from the edit\n"
169                    "window.  If set to 'on', C-d will always send a zephyr\n"
170                    "being composed in the edit window.  If set to 'middle',\n"
171                    "C-d will only ever send a zephyr if the cursor is at\n"
172                    "the end of the message being composed.\n\n"
173                    "Note that this works by changing the C-d keybinding\n"
174                    "in the editmulti keymap.\n",
175                    "off,middle,on",
176                    NULL, owl_variable_disable_ctrl_d_set, NULL),
177
178  OWLVAR_PATH( "logpath" /* %OwlVarStub */, "~/zlog/people",
179               "path for logging personal zephyrs", 
180               "Specifies a directory which must exist.\n"
181               "Files will be created in the directory for each sender.\n"),
182
183  OWLVAR_PATH( "classlogpath" /* %OwlVarStub:classlogpath */, "~/zlog/class",
184               "path for logging class zephyrs",
185               "Specifies a directory which must exist.\n"
186               "Files will be created in the directory for each class.\n"),
187
188  OWLVAR_PATH( "debug_file" /* %OwlVarStub */, OWL_DEBUG_FILE,
189               "path for logging debug messages when debugging is enabled",
190               "This file will be logged to if 'debug' is set to 'on'.\n"
191               "BarnOwl will append a dot and the current process's pid to the filename."),
192 
193  OWLVAR_PATH( "zsigproc" /* %OwlVarStub:zsigproc */, NULL,
194               "name of a program to run that will generate zsigs",
195               "This program should produce a zsig on stdout when run.\n"
196               "Note that it is important that this program not block.\n\n"
197               "See the documentation for 'zsig' for more information about\n"
198               "how the outgoing zsig is chosen."
199               ),
200
201  OWLVAR_PATH( "newmsgproc" /* %OwlVarStub:newmsgproc */, NULL,
202               "name of a program to run when new messages are present",
203               "The named program will be run when owl receives new\n"
204               "messages.  It will not be run again until the first\n"
205               "instance exits"),
206
207  OWLVAR_STRING( "zsender" /* %OwlVarStub */, "",
208             "zephyr sender name",
209         "Allows you to customize the outgoing username in\n"
210         "zephyrs.  If this is unset, it will use your Kerberos\n"
211         "principal. Note that customizing the sender name will\n"
212         "cause your zephyrs to be sent unauthenticated."),
213
214  OWLVAR_STRING( "zsigfunc" /* %OwlVarStub */, "BarnOwl::default_zephyr_signature()",
215                 "zsig perl function",
216                 "Called every time you start a zephyrgram without an\n"
217                 "explicit zsig.  The default setting implements the policy\n"
218                 "described in the documentation for the 'zsig' variable.\n"
219                 "See also BarnOwl::random_zephyr_signature().\n"),
220
221  OWLVAR_STRING( "zsig" /* %OwlVarStub */, "",
222                 "zephyr signature",
223                 "The zsig to get on outgoing messages. If this variable is\n"
224                 "unset, 'zsigproc' will be run to generate a zsig. If that is\n"
225                 "also unset, the 'zwrite-signature' zephyr variable will be\n"
226                 "used instead.\n"),
227
228  OWLVAR_STRING( "appendtosepbar" /* %OwlVarStub */, "",
229                 "string to append to the end of the sepbar",
230                 "The sepbar is the bar separating the top and bottom\n"
231                 "of the owl screen.  Any string specified here will\n"
232                 "be displayed on the right of the sepbar\n"),
233
234  OWLVAR_BOOL( "zaway" /* %OwlVarStub */, 0,
235               "turn zaway on or off", "" ),
236
237  OWLVAR_STRING( "zaway_msg" /* %OwlVarStub */, 
238                 OWL_DEFAULT_ZAWAYMSG,
239                 "zaway msg for responding to zephyrs when away", "" ),
240
241  OWLVAR_STRING( "zaway_msg_default" /* %OwlVarStub */, 
242                 OWL_DEFAULT_ZAWAYMSG,
243                 "default zaway message", "" ),
244
245  OWLVAR_BOOL_FULL( "aaway" /* %OwlVarStub */, 0,
246                    "Set AIM away status",
247                    "",
248                    NULL, owl_variable_aaway_set, NULL),
249
250  OWLVAR_STRING( "aaway_msg" /* %OwlVarStub */, 
251                 OWL_DEFAULT_AAWAYMSG,
252                 "AIM away msg for responding when away", "" ),
253
254  OWLVAR_STRING( "aaway_msg_default" /* %OwlVarStub */, 
255                 OWL_DEFAULT_AAWAYMSG,
256                 "default AIM away message", "" ),
257
258  OWLVAR_STRING( "view_home" /* %OwlVarStub */, "all",
259                 "home view to switch to after 'X' and 'V'", 
260                 "SEE ALSO: view, filter\n" ),
261
262  OWLVAR_STRING( "alert_filter" /* %OwlVarStub */, "none",
263                 "filter on which to trigger alert actions",
264                 "" ),
265
266  OWLVAR_STRING( "alert_action" /* %OwlVarStub */, "nop",
267                 "owl command to execute for alert actions",
268                 "" ),
269
270  OWLVAR_STRING_FULL( "tty" /* %OwlVarStub */, "", "<string>", "tty name for zephyr location", "",
271                      NULL, owl_variable_tty_set, NULL),
272
273  OWLVAR_STRING( "default_style" /* %OwlVarStub */, "default",
274                 "name of the default formatting style",
275                 "This sets the default message formatting style.\n"
276                 "Styles may be created with the 'style' command.\n"
277                 "Some built-in styles include:\n"
278                 "   default  - the default owl formatting\n"
279                 "   oneline  - one line per-message\n"
280                 "   perl     - legacy perl interface\n"
281                 "\nSEE ALSO: style, show styles, view -s <style>\n"
282                 ),
283
284
285  OWLVAR_INT(    "edit:maxfillcols" /* %OwlVarStub:edit_maxfillcols */, 70,
286                 "maximum number of columns for M-q (edit:fill-paragraph) to fill text to",
287                 "This specifies the maximum number of columns for M-q to fill text\n"
288                 "to.  If set to 0, M-q will wrap to the width of the window, and\n"
289                 "values less than 0 disable M-q entirely.\n"),
290
291  OWLVAR_INT(    "edit:maxwrapcols" /* %OwlVarStub:edit_maxwrapcols */, 70,
292                 "maximum number of columns for line-wrapping",
293                 "This specifies the maximum number of columns for\n"
294                 "auto-line-wrapping.  If set to 0, text will be wrapped at the\n"
295                 "window width. Values less than 0 disable automatic wrapping.\n"
296                 "\n"
297                 "As a courtesy to recipients, it is recommended that outgoing\n"
298                 "Zephyr messages be no wider than 70 columns.\n"),
299
300  OWLVAR_INT( "aim_ignorelogin_timer" /* %OwlVarStub */, 15,
301              "number of seconds after AIM login to ignore login messages",
302              "This specifies the number of seconds to wait after an\n"
303              "AIM login before allowing the receipt of AIM login notifications.\n"
304              "By default this is set to 15.  If you would like to view login\n"
305              "notifications of buddies as soon as you login, set it to 0 instead."),
306
307             
308  OWLVAR_INT_FULL( "typewinsize" /* %OwlVarStub:typwin_lines */, 
309                   OWL_TYPWIN_SIZE,
310                  "number of lines in the typing window", 
311                   "This specifies the height of the window at the\n"
312                   "bottom of the screen where commands are entered\n"
313                   "and where messages are composed.\n",
314                   "int > 0",
315                   owl_variable_int_validate_gt0,
316                   owl_variable_typewinsize_set,
317                   NULL /* use default for get */
318                   ),
319
320  OWLVAR_INT( "typewindelta" /* %OwlVarStub */, 0,
321                  "number of lines to add to the typing window when in use",
322                   "On small screens you may want the typing window to\n"
323                   "auto-hide when not entering a command or message.\n"
324                   "This variable is the number of lines to add to the\n"
325           "typing window when it is in use; you can then set\n"
326           "typewinsize to 1.\n\n"
327           "This works a lot better with a non-default scrollmode;\n"
328           "try :set scrollmode pagedcenter.\n"),
329
330  OWLVAR_ENUM( "scrollmode" /* %OwlVarStub */, OWL_SCROLLMODE_NORMAL,
331               "how to scroll up and down",
332               "This controls how the screen is scrolled as the\n"
333               "cursor moves between messages being displayed.\n"
334               "The following modes are supported:\n\n"
335               "   normal      - This is the owl default.  Scrolling happens\n"
336               "                 when it needs to, and an attempt is made to\n"
337               "                 keep the current message roughly near\n"
338               "                 the middle of the screen.\n"
339               "   top         - The current message will always be the\n"
340               "                 the top message displayed.\n"
341               "   neartop     - The current message will be one down\n"
342               "                 from the top message displayed,\n"
343               "                 where possible.\n"
344               "   center      - An attempt is made to keep the current\n"
345               "                 message near the center of the screen.\n"
346               "   paged       - The top message displayed only changes\n"
347               "                 when user moves the cursor to the top\n"
348               "                 or bottom of the screen.  When it moves,\n"
349               "                 the screen will be paged up or down and\n"
350               "                 the cursor will be near the top or\n"
351               "                 the bottom.\n"
352               "   pagedcenter - The top message displayed only changes\n"
353               "                 when user moves the cursor to the top\n"
354               "                 or bottom of the screen.  When it moves,\n"
355               "                 the screen will be paged up or down and\n"
356               "                 the cursor will be near the center.\n",
357               "normal,top,neartop,center,paged,pagedcenter" ),
358
359  OWLVAR_BOOL( "narrow-related" /* %OwlVarStub:narrow_related */, 1,
360               "Make smartnarrow use broader filters",
361               "Causes smartfiler to narrow to messages \"related\" to \n"
362               "the current message, as well as ones to the same place.\n\n"
363               "for Zephyr, this controls whether to narrow to e.g. class-help or\n"
364               "class-help.d alone, or to related-class-help, which includes\n"
365               "help, unhelp, help.d, etc.\n\nDefault is true (include unclasses, etc.).\n" ),
366
367  OWLVAR_BOOL( "_followlast" /* %OwlVarStub */, 0,
368               "enable automatic following of the last zephyr",
369               "If the cursor is at the last message, it will\n"
370               "continue to follow the last message if this is set.\n"
371               "Note that this is currently risky as you might accidentally\n"
372               "delete a message right as it came in.\n" ),
373
374  OWLVAR_STRING_FULL( "default_exposure" /* %OwlVarStub */, "",
375                      "none,opstaff,realm-visible,realm-announced,net-visible,net-announced",
376                      "controls the persistent value for exposure",
377                      "The default exposure level corresponds to the Zephyr exposure value\n"
378                      "in ~/.zephyr.vars.  Defaults to realm-visible if there is no value in\n"
379                      "~/.zephyr.vars.\n"
380                      "See the description of exposure for the values this can be.",
381                      NULL, owl_variable_default_exposure_set, owl_variable_default_exposure_get ),
382
383  OWLVAR_STRING_FULL( "exposure" /* %OwlVarStub */, "",
384                      "none,opstaff,realm-visible,realm-announced,net-visible,net-announced",
385                      "controls who can zlocate you",
386                      "The exposure level, defaulting to the value of default_exposure,\n"
387                      "can be one of the following (from least exposure to widest exposure,\n"
388                      "as listed in zctl(1)):\n"
389                      "\n"
390                      "   none            - This completely disables Zephyr for the user. \n"
391                      "                     The user is not registered with Zephyr.  No user\n"
392                      "                     location information is retained by Zephyr.  No\n"
393                      "                     login or logout announcements will be sent.  No\n"
394                      "                     subscriptions will be entered for the user, and\n"
395                      "                     no notices will be displayed by zwgc(1).\n"
396                      "   opstaff         - The user is registered with Zephyr.  No login or\n"
397                      "                     logout announcements will be sent, and location\n"
398                      "                     information will only be visible to Operations\n"
399                      "                     staff.  Default subscriptions and any additional\n"
400                      "                     personal subscriptions will be entered for the\n"
401                      "                     user.\n"
402                      "   realm-visible   - The user is registered with Zephyr.  User\n"
403                      "                     location information is retained by Zephyr and\n"
404                      "                     made available only to users within the user’s\n"
405                      "                     Kerberos realm.  No login or logout\n"
406                      "                     announcements will be sent.  This is the system\n"
407                      "                     default.  Default subscriptions and any\n"
408                      "                     additional personal subscriptions will be\n"
409                      "                     entered for the user.\n"
410                      "   realm-announced - The user is registered with Zephyr.  User\n"
411                      "                     location information is retained by Zephyr and\n"
412                      "                     made available only to users authenticated\n"
413                      "                     within the user’s Kerberos realm.  Login and\n"
414                      "                     logout announcements will be sent, but only to\n"
415                      "                     users within the user’s Kerberos realm who have\n"
416                      "                     explicitly requested such via subscriptions. \n"
417                      "                     Default subscriptions and any additional\n"
418                      "                     personal subscriptions will be entered for the\n"
419                      "                     user.\n"
420                      "   net-visible     - The user is registered with Zephyr.  User\n"
421                      "                     location information is retained by Zephyr and\n"
422                      "                     made available to any authenticated user who\n"
423                      "                     requests such.  Login and logout announcements\n"
424                      "                     will be sent only to users within the user’s\n"
425                      "                     Kerberos realm who have explicitly requested\n"
426                      "                     such via subscriptions.  Default subscriptions\n"
427                      "                     and any additional personal subscriptions will\n"
428                      "                     be entered for the user.\n"
429                      "   net-announced   - The user is registered with Zephyr.  User\n"
430                      "                     location information is retained by Zephyr and\n"
431                      "                     made available to any authenticated user who\n"
432                      "                     requests such.  Login and logout announcements\n"
433                      "                     will be sent to any user has requested such. \n"
434                      "                     Default subscriptions and any additional\n"
435                      "                     personal subscriptions will be entered for the\n"
436                      "                     user.\n",
437                      NULL, owl_variable_exposure_set, NULL /* use default for get */ ),
438
439  /* This MUST be last... */
440  { NULL, 0, NULL, 0, NULL, NULL, NULL, NULL,
441    NULL, NULL, NULL, NULL, NULL, NULL }
442
443  };
444
445  int ret = owl_variable_dict_add_from_list(vd, variables_to_init);
446  owl_variable *var;
447  for (var = variables_to_init; var->name != NULL; var++)
448    owl_variable_cleanup(var);
449  return ret;
450}
451
452/**************************************************************************/
453/*********************** SPECIFIC TO VARIABLES ****************************/
454/**************************************************************************/
455
456
457/* commonly useful */
458
459int owl_variable_int_validate_gt0(const owl_variable *v, const void *newval)
460{
461  if (newval == NULL) return(0);
462  else if (*(const int*)newval < 1) return(0);
463  else return (1);
464}
465
466int owl_variable_int_validate_positive(const owl_variable *v, const void *newval)
467{
468  if (newval == NULL) return(0);
469  else if (*(const int*)newval < 0) return(0);
470  else return (1);
471}
472
473/* typewinsize */
474int owl_variable_typewinsize_set(owl_variable *v, const void *newval)
475{
476  int rv;
477  rv = owl_variable_int_set_default(v, newval);
478  if (0 == rv) owl_mainpanel_layout_contents(&g.mainpanel);
479  return(rv);
480}
481
482/* debug (cache value in g->debug) */
483int owl_variable_debug_set(owl_variable *v, const void *newval)
484{
485  if (newval && (*(const int*)newval == 1 || *(const int*)newval == 0)) {
486    g.debug = *(const int*)newval;
487  }
488  return owl_variable_bool_set_default(v, newval);
489}
490
491/* When 'aaway' is changed, need to notify the AIM server */
492int owl_variable_aaway_set(owl_variable *v, const void *newval)
493{
494  if (newval) {
495    if (*(const int*)newval == 1) {
496      owl_aim_set_awaymsg(owl_global_get_aaway_msg(&g));
497    } else if (*(const int*)newval == 0) {
498      owl_aim_set_awaymsg("");
499    }
500  }
501  return owl_variable_bool_set_default(v, newval);
502}
503
504int owl_variable_pseudologins_set(owl_variable *v, const void *newval)
505{
506  static owl_timer *timer = NULL;
507  if (newval) {
508    if (*(const int*)newval == 1) {
509      owl_function_zephyr_buddy_check(0);
510      if (timer == NULL) {
511        timer = owl_select_add_timer("owl_zephyr_buddycheck_timer",
512                                     180, 180, owl_zephyr_buddycheck_timer, NULL, NULL);
513      }
514    } else {
515      if (timer != NULL) {
516        owl_select_remove_timer(timer);
517        timer = NULL;
518      }
519    }
520  }
521  return owl_variable_bool_set_default(v, newval);
522}
523
524/* note that changing the value of this will clobber
525 * any user setting of this */
526int owl_variable_disable_ctrl_d_set(owl_variable *v, const void *newval)
527{
528  if (newval && !owl_context_is_startup(owl_global_get_context(&g))) {
529    if (*(const int*)newval == 2) {
530      owl_function_command_norv("bindkey editmulti C-d command edit:delete-next-char");
531    } else if (*(const int*)newval == 1) {
532      owl_function_command_norv("bindkey editmulti C-d command edit:done-or-delete");
533    } else {
534      owl_function_command_norv("bindkey editmulti C-d command edit:done");
535    }
536  } 
537  return owl_variable_int_set_default(v, newval); 
538}
539
540int owl_variable_tty_set(owl_variable *v, const void *newval)
541{
542  owl_zephyr_set_locationinfo(g_get_host_name(), newval);
543  return(owl_variable_string_set_default(v, newval));
544}
545
546int owl_variable_default_exposure_set(owl_variable *v, const void *newval)
547{
548  return owl_zephyr_set_default_exposure(newval);
549}
550
551const void *owl_variable_default_exposure_get(const owl_variable *v)
552{
553  return owl_zephyr_get_default_exposure();
554}
555
556int owl_variable_exposure_set(owl_variable *v, const void *newval)
557{
558  int ret = owl_zephyr_set_exposure(newval);
559  if (ret != 0)
560    return ret;
561  return owl_variable_string_set_default(v, owl_zephyr_normalize_exposure(newval));
562}
563
564/**************************************************************************/
565/****************************** GENERAL ***********************************/
566/**************************************************************************/
567
568int owl_variable_dict_setup(owl_vardict *vd) {
569  owl_dict_create(vd);
570  return owl_variable_add_defaults(vd);
571}
572
573int owl_variable_dict_add_from_list(owl_vardict *vd, owl_variable *variables_to_init)
574{
575  owl_variable *var, *cur;
576  for (var = variables_to_init; var->name != NULL; var++) {
577    cur = g_new(owl_variable, 1);
578    *cur = *var;
579    /* strdup all the strings so we can delete them consistently. */
580    cur->name = g_strdup(var->name);
581    cur->summary = g_strdup(var->summary);
582    cur->description = g_strdup(var->description);
583    switch (cur->type) {
584    case OWL_VARIABLE_OTHER:
585      cur->set_fn(cur, cur->pval_default);
586      break;
587    case OWL_VARIABLE_STRING:
588      if (!cur->validate_fn) 
589        cur->validate_fn = owl_variable_string_validate_default;
590      if (!cur->set_fn) 
591        cur->set_fn = owl_variable_string_set_default;
592      if (!cur->set_fromstring_fn) 
593        cur->set_fromstring_fn = owl_variable_string_set_fromstring_default;
594      if (!cur->get_fn) 
595        cur->get_fn = owl_variable_get_default;
596      if (!cur->get_tostring_fn) 
597        cur->get_tostring_fn = owl_variable_string_get_tostring_default;     
598      if (!cur->delete_fn)
599        cur->delete_fn = owl_variable_delete_default;
600      cur->pval_default = g_strdup(var->pval_default);
601      cur->set_fn(cur, cur->pval_default);
602      break;
603    case OWL_VARIABLE_BOOL:
604      if (!cur->validate_fn) 
605        cur->validate_fn = owl_variable_bool_validate_default;
606      if (!cur->set_fn) 
607        cur->set_fn = owl_variable_bool_set_default;
608      if (!cur->set_fromstring_fn) 
609        cur->set_fromstring_fn = owl_variable_bool_set_fromstring_default;
610      if (!cur->get_fn) 
611        cur->get_fn = owl_variable_get_default;
612      if (!cur->get_tostring_fn) 
613        cur->get_tostring_fn = owl_variable_bool_get_tostring_default;     
614      if (!cur->delete_fn)
615        cur->delete_fn = owl_variable_delete_default;
616      cur->val = g_new(int, 1);
617      cur->set_fn(cur, &cur->ival_default);
618      break;
619    case OWL_VARIABLE_INT:
620      if (!cur->validate_fn) 
621        cur->validate_fn = owl_variable_int_validate_default;
622      if (!cur->set_fn) 
623        cur->set_fn = owl_variable_int_set_default;
624      if (!cur->set_fromstring_fn) 
625        cur->set_fromstring_fn = owl_variable_int_set_fromstring_default;
626      if (!cur->get_fn) 
627        cur->get_fn = owl_variable_get_default;
628      if (!cur->get_tostring_fn) 
629        cur->get_tostring_fn = owl_variable_int_get_tostring_default;     
630      if (!cur->delete_fn)
631        cur->delete_fn = owl_variable_delete_default;
632      cur->val = g_new(int, 1);
633      cur->set_fn(cur, &cur->ival_default);
634      break;
635    default:
636      fprintf(stderr, "owl_variable_setup: invalid variable type\n");
637      return(-2);
638    }
639    owl_dict_insert_element(vd, cur->name, cur, NULL);
640  }
641  return 0;
642}
643
644void owl_variable_dict_add_variable(owl_vardict * vardict,
645                                    owl_variable * var) {
646  owl_dict_insert_element(vardict, var->name, var, (void (*)(void *))owl_variable_delete);
647}
648
649owl_variable * owl_variable_newvar(const char *name, const char *summary, const char * description) {
650  owl_variable * var = g_new0(owl_variable, 1);
651  var->name = g_strdup(name);
652  var->summary = g_strdup(summary);
653  var->description = g_strdup(description);
654  return var;
655}
656
657void owl_variable_update(owl_variable *var, const char *summary, const char *desc) {
658  g_free(var->summary);
659  var->summary = g_strdup(summary);
660  g_free(var->description);
661  var->description = g_strdup(desc);
662}
663
664void owl_variable_dict_newvar_string(owl_vardict * vd, const char *name, const char *summ, const char * desc, const char * initval) {
665  owl_variable *old = owl_variable_get_var(vd, name, OWL_VARIABLE_STRING);
666  if(old) {
667    owl_variable_update(old, summ, desc);
668    g_free(old->pval_default);
669    old->pval_default = g_strdup(initval);
670  } else {
671    owl_variable * var = owl_variable_newvar(name, summ, desc);
672    var->type = OWL_VARIABLE_STRING;
673    var->pval_default = g_strdup(initval);
674    var->set_fn = owl_variable_string_set_default;
675    var->set_fromstring_fn = owl_variable_string_set_fromstring_default;
676    var->get_fn = owl_variable_get_default;
677    var->get_tostring_fn = owl_variable_string_get_tostring_default;
678    var->delete_fn = owl_variable_delete_default;
679    var->set_fn(var, initval);
680    owl_variable_dict_add_variable(vd, var);
681  }
682}
683
684void owl_variable_dict_newvar_int(owl_vardict * vd, const char *name, const char *summ, const char * desc, int initval) {
685  owl_variable *old = owl_variable_get_var(vd, name, OWL_VARIABLE_INT);
686  if(old) {
687    owl_variable_update(old, summ, desc);
688    old->ival_default = initval;
689  } else {
690    owl_variable * var = owl_variable_newvar(name, summ, desc);
691    var->type = OWL_VARIABLE_INT;
692    var->ival_default = initval;
693    var->validate_fn = owl_variable_int_validate_default;
694    var->set_fn = owl_variable_int_set_default;
695    var->set_fromstring_fn = owl_variable_int_set_fromstring_default;
696    var->get_fn = owl_variable_get_default;
697    var->get_tostring_fn = owl_variable_int_get_tostring_default;
698    var->delete_fn = owl_variable_delete_default;
699    var->val = g_new(int, 1);
700    var->set_fn(var, &initval);
701    owl_variable_dict_add_variable(vd, var);
702  }
703}
704
705void owl_variable_dict_newvar_bool(owl_vardict * vd, const char *name, const char *summ, const char * desc, int initval) {
706  owl_variable *old = owl_variable_get_var(vd, name, OWL_VARIABLE_BOOL);
707  if(old) {
708    owl_variable_update(old, summ, desc);
709    old->ival_default = initval;
710  } else {
711    owl_variable * var = owl_variable_newvar(name, summ, desc);
712    var->type = OWL_VARIABLE_BOOL;
713    var->ival_default = initval;
714    var->validate_fn = owl_variable_bool_validate_default;
715    var->set_fn = owl_variable_bool_set_default;
716    var->set_fromstring_fn = owl_variable_bool_set_fromstring_default;
717    var->get_fn = owl_variable_get_default;
718    var->get_tostring_fn = owl_variable_bool_get_tostring_default;
719    var->delete_fn = owl_variable_delete_default;
720    var->val = g_new(int, 1);
721    var->set_fn(var, &initval);
722    owl_variable_dict_add_variable(vd, var);
723  }
724}
725
726void owl_variable_dict_cleanup(owl_vardict *d)
727{
728  owl_dict_cleanup(d, (void (*)(void *))owl_variable_delete);
729}
730
731void owl_variable_dict_get_names(const owl_vardict *d, owl_list *l) {
732  owl_dict_get_keys(d, l);
733}
734
735void owl_variable_cleanup(owl_variable *v)
736{
737  if (v->delete_fn) v->delete_fn(v);
738  g_free(v->name);
739  g_free(v->summary);
740  g_free(v->description);
741  if (v->type == OWL_VARIABLE_STRING)
742    g_free(v->pval_default);
743}
744
745void owl_variable_delete(owl_variable *v)
746{
747  owl_variable_cleanup(v);
748  g_free(v);
749}
750
751
752const char *owl_variable_get_description(const owl_variable *v) {
753  return v->description;
754}
755
756const char *owl_variable_get_summary(const owl_variable *v) {
757  return v->summary;
758}
759
760const char *owl_variable_get_validsettings(const owl_variable *v) {
761  if (v->validsettings) {
762    return v->validsettings;
763  } else {
764    return "";
765  }
766}
767
768/* functions for getting and setting variable values */
769
770/* returns 0 on success, prints a status msg if msg is true */
771int owl_variable_set_fromstring(owl_vardict *d, const char *name, const char *value, int msg, int requirebool) {
772  owl_variable *v;
773  char *tostring;
774  if (!name) return(-1);
775  v = owl_dict_find_element(d, name);
776  if (v == NULL) {
777    if (msg) owl_function_error("Unknown variable %s", name);
778    return -1;
779  }
780  if (!v->set_fromstring_fn) {
781    if (msg) owl_function_error("Variable %s is read-only", name);
782    return -1;   
783  }
784  if (requirebool && v->type!=OWL_VARIABLE_BOOL) {
785    if (msg) owl_function_error("Variable %s is not a boolean", name);
786    return -1;   
787  }
788  if (0 != v->set_fromstring_fn(v, value)) {
789    if (msg) owl_function_error("Unable to set %s (must be %s)", name, 
790                                  owl_variable_get_validsettings(v));
791    return -1;
792  }
793  if (msg && v->get_tostring_fn) {
794    tostring = v->get_tostring_fn(v, v->get_fn(v));
795    owl_function_makemsg("%s = '%s'", name, tostring);
796    g_free(tostring);
797  }   
798  return 0;
799}
800 
801int owl_variable_set_string(owl_vardict *d, const char *name, const char *newval) {
802  owl_variable *v;
803  if (!name) return(-1);
804  v = owl_dict_find_element(d, name);
805  if (v == NULL || !v->set_fn) return(-1);
806  if (v->type!=OWL_VARIABLE_STRING) return(-1);
807  return v->set_fn(v, newval);
808}
809 
810int owl_variable_set_int(owl_vardict *d, const char *name, int newval) {
811  owl_variable *v;
812  if (!name) return(-1);
813  v = owl_dict_find_element(d, name);
814  if (v == NULL || !v->set_fn) return(-1);
815  if (v->type!=OWL_VARIABLE_INT && v->type!=OWL_VARIABLE_BOOL) return(-1);
816  return v->set_fn(v, &newval);
817}
818 
819int owl_variable_set_bool_on(owl_vardict *d, const char *name) {
820  return owl_variable_set_int(d,name,1);
821}
822
823int owl_variable_set_bool_off(owl_vardict *d, const char *name) {
824  return owl_variable_set_int(d,name,0);
825}
826
827char *owl_variable_get_tostring(const owl_vardict *d, const char *name) {
828  owl_variable *v;
829  if (!name) return NULL;
830  v = owl_dict_find_element(d, name);
831  if (v == NULL || !v->get_tostring_fn) return NULL;
832  return v->get_tostring_fn(v, v->get_fn(v));
833}
834
835char *owl_variable_get_default_tostring(const owl_vardict *d, const char *name) {
836  owl_variable *v;
837  if (!name) return NULL;
838  v = owl_dict_find_element(d, name);
839  if (v == NULL || !v->get_tostring_fn) return NULL;
840  if (v->type == OWL_VARIABLE_INT || v->type == OWL_VARIABLE_BOOL) {
841    return v->get_tostring_fn(v, &(v->ival_default));
842  } else {
843    return v->get_tostring_fn(v, v->pval_default);
844  }
845}
846
847owl_variable *owl_variable_get_var(const owl_vardict *d, const char *name, int require_type) {
848  owl_variable *v;
849  if (!name) return(NULL);
850  v = owl_dict_find_element(d, name);
851  if (v == NULL || !v->get_fn || v->type != require_type) return(NULL);
852  return v;
853}
854
855/* returns a reference */
856const void *owl_variable_get(const owl_vardict *d, const char *name, int require_type) {
857  owl_variable *v = owl_variable_get_var(d, name, require_type);
858  if(v == NULL) return NULL;
859  return v->get_fn(v);
860}
861
862/* returns a reference */
863const char *owl_variable_get_string(const owl_vardict *d, const char *name) {
864  return owl_variable_get(d,name, OWL_VARIABLE_STRING);
865}
866
867/* returns a reference */
868const void *owl_variable_get_other(const owl_vardict *d, const char *name) {
869  return owl_variable_get(d,name, OWL_VARIABLE_OTHER);
870}
871
872int owl_variable_get_int(const owl_vardict *d, const char *name) {
873  const int *pi;
874  pi = owl_variable_get(d,name,OWL_VARIABLE_INT);
875  if (!pi) return(-1);
876  return(*pi);
877}
878
879int owl_variable_get_bool(const owl_vardict *d, const char *name) {
880  const int *pi;
881  pi = owl_variable_get(d,name,OWL_VARIABLE_BOOL);
882  if (!pi) return(-1);
883  return(*pi);
884}
885
886void owl_variable_describe(const owl_vardict *d, const char *name, owl_fmtext *fm) {
887  char *default_buf;
888  owl_variable *v;
889
890  if (!name
891      || (v = owl_dict_find_element(d, name)) == NULL 
892      || !v->get_fn) {
893    owl_fmtext_appendf_normal(fm, "     No such variable '%s'\n", name);
894    return;
895  }
896  if (v->type == OWL_VARIABLE_INT || v->type == OWL_VARIABLE_BOOL) {
897    default_buf = v->get_tostring_fn(v, &(v->ival_default));
898  } else {
899    default_buf = v->get_tostring_fn(v, v->pval_default);
900  }
901  owl_fmtext_appendf_normal(fm, OWL_TABSTR "%-20s - %s (default: '%s')\n",
902                            v->name,
903                            owl_variable_get_summary(v), default_buf);
904  g_free(default_buf);
905}
906
907void owl_variable_get_help(const owl_vardict *d, const char *name, owl_fmtext *fm) {
908  char *tostring;
909  owl_variable *v;
910
911  if (!name
912      || (v = owl_dict_find_element(d, name)) == NULL 
913      || !v->get_fn) {
914    owl_fmtext_append_normal(fm, "No such variable...\n");
915    return;
916  }
917
918  owl_fmtext_append_bold(fm, "OWL VARIABLE\n\n");
919  owl_fmtext_append_normal(fm, OWL_TABSTR);
920  owl_fmtext_append_normal(fm, name);
921  owl_fmtext_append_normal(fm, " - ");
922  owl_fmtext_append_normal(fm, v->summary);
923  owl_fmtext_append_normal(fm, "\n\n");
924
925  owl_fmtext_append_normal(fm, "Current:        ");
926  tostring = owl_variable_get_tostring(d, name);
927  owl_fmtext_append_normal(fm, tostring);
928  g_free(tostring);
929  owl_fmtext_append_normal(fm, "\n\n");
930
931
932  if (v->type == OWL_VARIABLE_INT || v->type == OWL_VARIABLE_BOOL) {
933    tostring = v->get_tostring_fn(v, &(v->ival_default));
934  } else {
935    tostring = v->get_tostring_fn(v, v->pval_default);
936  }
937  owl_fmtext_append_normal(fm, "Default:        ");
938  owl_fmtext_append_normal(fm, tostring);
939  owl_fmtext_append_normal(fm, "\n\n");
940
941  owl_fmtext_append_normal(fm, "Valid Settings: ");
942  owl_fmtext_append_normal(fm, owl_variable_get_validsettings(v));
943  owl_fmtext_append_normal(fm, "\n\n");
944
945  if (v->description && *v->description) {
946    owl_fmtext_append_normal(fm, "Description:\n");
947    owl_fmtext_append_normal(fm, owl_variable_get_description(v));
948    owl_fmtext_append_normal(fm, "\n\n");
949  }
950  g_free(tostring);
951}
952
953
954
955
956/**************************************************************************/
957/*********************** GENERAL TYPE-SPECIFIC ****************************/
958/**************************************************************************/
959
960/* default common functions */
961
962const void *owl_variable_get_default(const owl_variable *v) {
963  return v->val;
964}
965
966void owl_variable_delete_default(owl_variable *v)
967{
968  g_free(v->val);
969}
970
971/* default functions for booleans */
972
973int owl_variable_bool_validate_default(const owl_variable *v, const void *newval) {
974  if (newval == NULL) return(0);
975  else if (*(const int*)newval==1 || *(const int*)newval==0) return(1);
976  else return (0);
977}
978
979int owl_variable_bool_set_default(owl_variable *v, const void *newval) {
980  if (v->validate_fn) {
981    if (!v->validate_fn(v, newval)) return(-1);
982  }
983  *(int*)v->val = *(const int*)newval;
984  return(0);
985}
986
987int owl_variable_bool_set_fromstring_default(owl_variable *v, const char *newval) {
988  int i;
989  if (!strcmp(newval, "on")) i=1;
990  else if (!strcmp(newval, "off")) i=0;
991  else return(-1);
992  return (v->set_fn(v, &i));
993}
994
995char *owl_variable_bool_get_tostring_default(const owl_variable *v, const void *val) {
996  if (val == NULL) {
997    return g_strdup("<null>");
998  } else if (*(const int*)val == 0) {
999    return g_strdup("off");
1000  } else if (*(const int*)val == 1) {
1001    return g_strdup("on");
1002  } else {
1003    return g_strdup("<invalid>");
1004  }
1005}
1006
1007/* default functions for integers */
1008
1009int owl_variable_int_validate_default(const owl_variable *v, const void *newval) {
1010  if (newval == NULL) return(0);
1011  else return (1);
1012}
1013
1014int owl_variable_int_set_default(owl_variable *v, const void *newval) {
1015  if (v->validate_fn) {
1016    if (!v->validate_fn(v, newval)) return(-1);
1017  }
1018  *(int*)v->val = *(const int*)newval;
1019  return(0);
1020}
1021
1022int owl_variable_int_set_fromstring_default(owl_variable *v, const char *newval) {
1023  int i;
1024  char *ep;
1025  i = strtol(newval, &ep, 10);
1026  if (*ep || ep==newval) return(-1);
1027  return (v->set_fn(v, &i));
1028}
1029
1030char *owl_variable_int_get_tostring_default(const owl_variable *v, const void *val) {
1031  if (val == NULL) {
1032    return g_strdup("<null>");
1033  } else {
1034    return g_strdup_printf("%d", *(const int*)val);
1035  } 
1036}
1037
1038/* default functions for enums (a variant of integers) */
1039
1040int owl_variable_enum_validate(const owl_variable *v, const void *newval) { 
1041  char **enums;
1042  int nenums, val;
1043  if (newval == NULL) return(0);
1044  enums = g_strsplit_set(v->validsettings, ",", 0);
1045  nenums = g_strv_length(enums);
1046  g_strfreev(enums);
1047  val = *(const int*)newval;
1048  if (val < 0 || val >= nenums) {
1049    return(0);
1050  }
1051  return(1);
1052}
1053
1054int owl_variable_enum_set_fromstring(owl_variable *v, const char *newval) {
1055  char **enums;
1056  int i, val=-1;
1057  if (newval == NULL) return(-1);
1058  enums = g_strsplit_set(v->validsettings, ",", 0);
1059  for (i = 0; enums[i] != NULL; i++) {
1060    if (0==strcmp(newval, enums[i])) {
1061      val = i;
1062    }
1063  }
1064  g_strfreev(enums);
1065  if (val == -1) return(-1);
1066  return (v->set_fn(v, &val));
1067}
1068
1069char *owl_variable_enum_get_tostring(const owl_variable *v, const void *val) {
1070  char **enums;
1071  int nenums, i;
1072  char *tostring;
1073
1074  if (val == NULL) {
1075    return g_strdup("<null>");
1076  }
1077  enums = g_strsplit_set(v->validsettings, ",", 0);
1078  nenums = g_strv_length(enums);
1079  i = *(const int*)val;
1080  if (i<0 || i>=nenums) {
1081    g_strfreev(enums);
1082    return g_strdup_printf("<invalid:%d>", i);
1083  }
1084  tostring = g_strdup(enums[i]);
1085  g_strfreev(enums);
1086  return tostring;
1087}
1088
1089/* default functions for stringeans */
1090
1091int owl_variable_string_validate_default(const struct _owl_variable *v, const void *newval) {
1092  if (newval == NULL) return(0);
1093  else return (1);
1094}
1095
1096int owl_variable_string_set_default(owl_variable *v, const void *newval) {
1097  if (v->validate_fn) {
1098    if (!v->validate_fn(v, newval)) return(-1);
1099  }
1100  g_free(v->val);
1101  v->val = g_strdup(newval);
1102  return(0);
1103}
1104
1105int owl_variable_string_set_fromstring_default(owl_variable *v, const char *newval) {
1106  return (v->set_fn(v, newval));
1107}
1108
1109char *owl_variable_string_get_tostring_default(const owl_variable *v, const void *val) {
1110  if (val == NULL) {
1111    return g_strdup("<null>");
1112  } else {
1113    return g_strdup((const char*)val);
1114  }
1115}
1116
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