2 * Definitions for preference handling routines
4 * $Id: prefs.h,v 1.38 2002/05/11 18:58:02 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
39 * Convert a string listing name resolution types to a bitmask of
42 * Set "*name_resolve" to the bitmask, and return '\0', on success;
43 * return the bad character in the string on error.
45 char string_to_name_resolve(char *string, guint32 *name_resolve);
47 typedef struct _e_prefs {
54 color_t st_client_fg, st_client_bg, st_server_fg, st_server_bg;
55 gboolean gui_scrollbar_on_right;
56 gboolean gui_plist_sel_browse;
57 gboolean gui_ptree_sel_browse;
58 gint gui_ptree_line_style;
59 gint gui_ptree_expander_style;
60 gboolean gui_hex_dump_highlight_style;
62 color_t gui_marked_fg;
63 color_t gui_marked_bg;
64 gboolean gui_geometry_save_position;
65 gboolean gui_geometry_save_size;
66 gint gui_geometry_main_x;
67 gint gui_geometry_main_y;
68 gint gui_geometry_main_width;
69 gint gui_geometry_main_height;
71 gchar *capture_device;
72 gboolean capture_prom_mode;
73 gboolean capture_real_time;
74 gboolean capture_auto_scroll;
80 * Routines to let modules that have preference settings register
81 * themselves by name, and to let them register preference settings
86 typedef struct pref_module module_t;
89 * Register a module that will have preferences.
90 * Specify the name used for the module in the preferences file, the
91 * title used in the tab for it in a preferences dialog box, and a
92 * routine to call back when we apply the preferences.
94 * In case of dissectors, the specified name should be the protocol
95 * name specified at the proto_register_protocol() call in order to
96 * make the "Protocol Properties..." menu item work.
98 extern module_t *prefs_register_module(const char *name, const char *title,
99 void (*apply_cb)(void));
101 typedef void (*module_cb)(module_t *module, gpointer user_data);
104 * Register that a protocol has preferences.
106 extern module_t *prefs_register_protocol(int id, void (*apply_cb)(void));
109 * Register that a protocol used to have preferences but no longer does,
110 * by creating an "obsolete" module for it.
112 extern module_t *prefs_register_protocol_obsolete(int id);
115 * Call a callback function, with a specified argument, for each module.
116 * Ignores "obsolete" modules; their sole purpose is to allow old
117 * preferences for dissectors that no longer have preferences to be
118 * silently ignored in preference files.
120 extern void prefs_module_foreach(module_cb callback, gpointer user_data);
123 * Call the "apply" callback function for each module if any of its
124 * preferences have changed, and then clear the flag saying its
125 * preferences have changed, as the module has been notified of that
128 extern void prefs_apply_all(void);
132 typedef struct preference pref_t;
135 * Returns TRUE if the given protocol has registered preferences.
137 extern gboolean prefs_is_registered_protocol(char *name);
140 * Returns the module title of a registered protocol (or NULL if unknown).
142 extern const char *prefs_get_title_by_name(char *name);
145 * Register a preference with an unsigned integral value.
147 extern void prefs_register_uint_preference(module_t *module, const char *name,
148 const char *title, const char *description, guint base, guint *var);
151 * Register a preference with an Boolean value.
153 extern void prefs_register_bool_preference(module_t *module, const char *name,
154 const char *title, const char *description, gboolean *var);
157 * Register a preference with an enumerated value.
164 extern void prefs_register_enum_preference(module_t *module, const char *name,
165 const char *title, const char *description, gint *var,
166 const enum_val_t *enumvals, gboolean radio_buttons);
169 * Register a preference with a character-string value.
171 extern void prefs_register_string_preference(module_t *module, const char *name,
172 const char *title, const char *description, char **var);
175 * Register a preference that used to be supported but no longer is.
177 extern void prefs_register_obsolete_preference(module_t *module,
180 typedef void (*pref_cb)(pref_t *pref, gpointer user_data);
183 * Call a callback function, with a specified argument, for each preference
186 extern void prefs_pref_foreach(module_t *module, pref_cb callback,
190 * Register all non-dissector modules' preferences.
192 extern void prefs_register_modules(void);
194 /* Read the preferences file, fill in "prefs", and return a pointer to it.
196 If we got an error (other than "it doesn't exist") trying to read
197 the global preferences file, stuff the errno into "*gpf_errno_return"
198 and a pointer to the path of the file into "*gpf_path_return", and
201 If we got an error (other than "it doesn't exist") trying to read
202 the user's preferences file, stuff the errno into "*pf_errno_return"
203 and a pointer to the path of the file into "*pf_path_return", and
205 extern e_prefs *read_prefs(int *, char **, int *, const char **);
207 /* Write out "prefs" to the user's preferences file, and return 0.
209 If we got an error, stuff a pointer to the path of the preferences file
210 into "*pf_path_return", and return the errno. */
211 extern int write_prefs(const char **);
213 /* Copy a set of preferences. */
214 extern void copy_prefs(e_prefs *dest, e_prefs *src);
216 /* Free a set of preferences. */
217 extern void free_prefs(e_prefs *pr);
220 * Given a string of the form "<pref name>:<pref value>", as might appear
221 * as an argument to a "-o" option, parse it and set the preference in
222 * question. Return an indication of whether it succeeded or failed
225 * XXX - should supply, for syntax errors, a detailed explanation of
228 #define PREFS_SET_OK 0 /* succeeded */
229 #define PREFS_SET_SYNTAX_ERR 1 /* syntax error in string */
230 #define PREFS_SET_NO_SUCH_PREF 2 /* no such preference */
231 #define PREFS_SET_OBSOLETE 3 /* preference used to exist but no longer does */
233 extern int prefs_set_pref(char *prefarg);