2 * Definitions for preference handling routines
4 * $Id: prefs.h,v 1.49 2003/10/16 21:19:11 guy Exp $
6 * Ethereal - Network traffic analyzer
7 * By Gerald Combs <gerald@ethereal.com>
8 * Copyright 1998 Gerald Combs
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
33 #define PR_DEST_FILE 1
36 #define DEF_HEIGHT 550
38 #define MAX_VAL_LEN 1024
41 * Convert a string listing name resolution types to a bitmask of
44 * Set "*name_resolve" to the bitmask, and return '\0', on success;
45 * return the bad character in the string on error.
47 char string_to_name_resolve(char *string, guint32 *name_resolve);
50 * Modes for the starting directory in File Open dialogs.
52 #define FO_STYLE_LAST_OPENED 0 /* start in last directory we looked at */
53 #define FO_STYLE_SPECIFIED 1 /* start in specified directory */
58 #define TB_STYLE_ICONS 0
59 #define TB_STYLE_TEXT 1
60 #define TB_STYLE_BOTH 2
62 typedef struct _e_prefs {
69 color_t st_client_fg, st_client_bg, st_server_fg, st_server_bg;
70 gboolean gui_scrollbar_on_right;
71 gboolean gui_plist_sel_browse;
72 gboolean gui_ptree_sel_browse;
73 gboolean gui_altern_colors;
74 gint gui_ptree_line_style;
75 gint gui_ptree_expander_style;
76 gboolean gui_hex_dump_highlight_style;
77 gint gui_toolbar_main_style;
79 color_t gui_marked_fg;
80 color_t gui_marked_bg;
81 gboolean gui_geometry_save_position;
82 gboolean gui_geometry_save_size;
83 gint gui_geometry_main_x;
84 gint gui_geometry_main_y;
85 gint gui_geometry_main_width;
86 gint gui_geometry_main_height;
87 gint gui_fileopen_style;
88 gchar *gui_fileopen_dir;
89 gchar *gui_fileopen_remembered_dir;
91 gint name_resolve_concurrency;
92 gchar *capture_device;
93 gchar *capture_devices_descr;
94 gchar *capture_devices_hide;
95 gboolean capture_prom_mode;
96 gboolean capture_real_time;
97 gboolean capture_auto_scroll;
100 extern e_prefs prefs;
103 * Routines to let modules that have preference settings register
104 * themselves by name, and to let them register preference settings
109 typedef struct pref_module module_t;
112 * Register a module that will have preferences.
113 * Specify the module under which to register it or NULL to register it
114 * at the top level, the name used for the module in the preferences file,
115 * the title used in the tab for it in a preferences dialog box, and a
116 * routine to call back when we apply the preferences.
118 * This should not be used for dissector preferences;
119 * "prefs_register_protocol()" should be used for that, so that the
120 * preferences go under the "Protocols" subtree, and so that the
121 * name is the protocol name specified at the "proto_register_protocol()"
122 * call so that the "Protocol Properties..." menu item works.
124 extern module_t *prefs_register_module(module_t *parent, const char *name,
125 const char *title, void (*apply_cb)(void));
128 * Register a subtree that will have modules under it.
129 * Specify the module under which to register it or NULL to register it
130 * at the top level and the title used in the tab for it in a preferences
133 extern module_t *prefs_register_subtree(module_t *parent, const char *title);
136 * Register that a protocol has preferences.
138 extern module_t *prefs_register_protocol(int id, void (*apply_cb)(void));
141 * Register that a protocol used to have preferences but no longer does,
142 * by creating an "obsolete" module for it.
144 extern module_t *prefs_register_protocol_obsolete(int id);
147 * Callback function for module list scanners.
149 typedef void (*module_cb)(module_t *module, gpointer user_data);
152 * Call a callback function, with a specified argument, for each module
153 * in a list of modules. If the list is NULL, searches the top-level
154 * list in the display tree of modules.
156 * Ignores "obsolete" modules; their sole purpose is to allow old
157 * preferences for dissectors that no longer have preferences to be
158 * silently ignored in preference files. Does not ignore subtrees,
159 * as this can be used when walking the display tree of modules.
161 extern void prefs_module_list_foreach(GList *module_list, module_cb callback,
165 * Call a callback function, with a specified argument, for each module
166 * in the list of all modules. (This list does not include subtrees.)
168 * Ignores "obsolete" modules; their sole purpose is to allow old
169 * preferences for dissectors that no longer have preferences to be
170 * silently ignored in preference files.
172 extern void prefs_modules_foreach(module_cb callback, gpointer user_data);
175 * Call the "apply" callback function for each module if any of its
176 * preferences have changed, and then clear the flag saying its
177 * preferences have changed, as the module has been notified of that
180 extern void prefs_apply_all(void);
184 typedef struct preference pref_t;
187 * Returns TRUE if the given protocol has registered preferences.
189 extern gboolean prefs_is_registered_protocol(char *name);
192 * Returns the module title of a registered protocol (or NULL if unknown).
194 extern const char *prefs_get_title_by_name(char *name);
197 * Register a preference with an unsigned integral value.
199 extern void prefs_register_uint_preference(module_t *module, const char *name,
200 const char *title, const char *description, guint base, guint *var);
203 * Register a preference with an Boolean value.
205 extern void prefs_register_bool_preference(module_t *module, const char *name,
206 const char *title, const char *description, gboolean *var);
209 * Register a preference with an enumerated value.
216 extern void prefs_register_enum_preference(module_t *module, const char *name,
217 const char *title, const char *description, gint *var,
218 const enum_val_t *enumvals, gboolean radio_buttons);
221 * Register a preference with a character-string value.
223 extern void prefs_register_string_preference(module_t *module, const char *name,
224 const char *title, const char *description, char **var);
227 * Register a preference that used to be supported but no longer is.
229 extern void prefs_register_obsolete_preference(module_t *module,
232 typedef guint (*pref_cb)(pref_t *pref, gpointer user_data);
235 * Call a callback function, with a specified argument, for each preference
238 * If any of the callbacks return a non-zero value, stop and return that
239 * value, otherwise return 0.
241 extern guint prefs_pref_foreach(module_t *module, pref_cb callback,
245 * Register all non-dissector modules' preferences.
247 extern void prefs_register_modules(void);
249 /* Read the preferences file, fill in "prefs", and return a pointer to it.
251 If we got an error (other than "it doesn't exist") trying to read
252 the global preferences file, stuff the errno into "*gpf_errno_return"
253 on an open error and into "*gpf_read_errno_return" on a read error,
254 stuff a pointer to the path of the file into "*gpf_path_return", and
257 If we got an error (other than "it doesn't exist") trying to read
258 the user's preferences file, stuff the errno into "*pf_errno_return"
259 on an open error and into "*pf_read_errno_return" on a read error,
260 stuff a pointer to the path of the file into "*pf_path_return", and
262 extern e_prefs *read_prefs(int *, int *, char **, int *, int *, char **);
264 /* Write out "prefs" to the user's preferences file, and return 0.
266 If we got an error, stuff a pointer to the path of the preferences file
267 into "*pf_path_return", and return the errno. */
268 extern int write_prefs(char **);
270 /* Copy a set of preferences. */
271 extern void copy_prefs(e_prefs *dest, e_prefs *src);
273 /* Free a set of preferences. */
274 extern void free_prefs(e_prefs *pr);
277 * Given a string of the form "<pref name>:<pref value>", as might appear
278 * as an argument to a "-o" option, parse it and set the preference in
279 * question. Return an indication of whether it succeeded or failed
282 * XXX - should supply, for syntax errors, a detailed explanation of
285 #define PREFS_SET_OK 0 /* succeeded */
286 #define PREFS_SET_SYNTAX_ERR 1 /* syntax error in string */
287 #define PREFS_SET_NO_SUCH_PREF 2 /* no such preference */
288 #define PREFS_SET_OBSOLETE 3 /* preference used to exist but no longer does */
290 extern int prefs_set_pref(char *prefarg);