2 * Definitions for preference handling routines
6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <gerald@wireshark.org>
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.
32 #include <epan/range.h>
35 #define PR_DEST_FILE 1
38 #define DEF_HEIGHT 550
40 #define MAX_VAL_LEN 1024
42 #define RTP_PLAYER_DEFAULT_VISIBLE 4
43 #define TAP_UPDATE_DEFAULT_INTERVAL 3000
46 * Convert a string listing name resolution types to a bitmask of
49 * Set "*name_resolve" to the bitmask, and return '\0', on success;
50 * return the bad character in the string on error.
52 char string_to_name_resolve(char *string, guint32 *name_resolve);
55 * Modes for the starting directory in File Open dialogs.
57 #define FO_STYLE_LAST_OPENED 0 /* start in last directory we looked at */
58 #define FO_STYLE_SPECIFIED 1 /* start in specified directory */
63 #define TB_STYLE_ICONS 0
64 #define TB_STYLE_TEXT 1
65 #define TB_STYLE_BOTH 2
68 * Types of layout of summary/details/hex panes.
71 layout_unused, /* entry currently unused */
85 layout_pane_content_none,
86 layout_pane_content_plist,
87 layout_pane_content_pdetails,
88 layout_pane_content_pbytes
89 } layout_pane_content_e;
92 * open console behaviour (win32 only)
101 typedef struct _e_prefs {
108 color_t st_client_fg, st_client_bg, st_server_fg, st_server_bg;
109 gboolean gui_scrollbar_on_right;
110 gboolean gui_plist_sel_browse;
111 gboolean gui_ptree_sel_browse;
112 gboolean gui_altern_colors;
113 gboolean filter_toolbar_show_in_statusbar;
114 gint gui_ptree_line_style;
115 gint gui_ptree_expander_style;
116 gboolean gui_hex_dump_highlight_style;
117 gint gui_toolbar_main_style;
118 gint gui_toolbar_filter_style;
119 gchar *gui_font_name;
120 color_t gui_marked_fg;
121 color_t gui_marked_bg;
122 gchar *gui_colorized_fg;
123 gchar *gui_colorized_bg;
124 gboolean gui_geometry_save_position;
125 gboolean gui_geometry_save_size;
126 gboolean gui_geometry_save_maximized;
127 gboolean gui_macosx_style;
128 console_open_e gui_console_open;
129 guint gui_recent_df_entries_max;
130 guint gui_recent_files_count_max;
131 guint gui_fileopen_style;
132 gchar *gui_fileopen_dir;
133 guint gui_fileopen_preview;
134 gboolean gui_ask_unsaved;
135 gboolean gui_find_wrap;
136 gboolean gui_use_pref_save;
137 gchar *gui_webbrowser;
138 gchar *gui_window_title;
139 gchar *gui_start_title;
140 gboolean gui_version_in_start_page;
141 layout_type_e gui_layout_type;
142 layout_pane_content_e gui_layout_content_1;
143 layout_pane_content_e gui_layout_content_2;
144 layout_pane_content_e gui_layout_content_3;
145 gint console_log_level;
146 guint32 name_resolve;
147 gint name_resolve_concurrency;
148 gchar *capture_device;
149 gchar *capture_devices_linktypes;
150 gchar *capture_devices_descr;
151 gchar *capture_devices_hide;
152 gboolean capture_prom_mode;
153 gboolean capture_pcap_ng;
154 gboolean capture_real_time;
155 gboolean capture_auto_scroll;
156 gboolean capture_show_info;
157 guint rtp_player_max_visible;
158 guint tap_update_interval;
159 gboolean display_hidden_proto_items;
162 WS_VAR_IMPORT e_prefs prefs;
165 * Routines to let modules that have preference settings register
166 * themselves by name, and to let them register preference settings
171 typedef struct pref_module module_t;
173 /** Sets up memory used by proto routines. Called at program startup */
174 extern void prefs_init(void);
176 /** Reset preferences to default values. Called at profile change */
177 extern void prefs_reset(void);
179 /** Frees memory used by proto routines. Called at program shutdown */
180 extern void prefs_cleanup(void);
183 * Register a module that will have preferences.
184 * Specify the module under which to register it or NULL to register it
185 * at the top level, the name used for the module in the preferences file,
186 * the title used in the tab for it in a preferences dialog box, and a
187 * routine to call back when we apply the preferences.
189 * This should not be used for dissector preferences;
190 * "prefs_register_protocol()" should be used for that, so that the
191 * preferences go under the "Protocols" subtree, and so that the
192 * name is the protocol name specified at the "proto_register_protocol()"
193 * call so that the "Protocol Properties..." menu item works.
195 extern module_t *prefs_register_module(module_t *parent, const char *name,
196 const char *title, const char *description, void (*apply_cb)(void));
199 * Register a subtree that will have modules under it.
200 * Specify the module under which to register it or NULL to register it
201 * at the top level and the title used in the tab for it in a preferences
204 extern module_t *prefs_register_subtree(module_t *parent, const char *title,
205 const char *description);
208 * Register that a protocol has preferences.
210 extern module_t *prefs_register_protocol(int id, void (*apply_cb)(void));
213 * Register that a protocol has preferences and group it under a single
216 #define PREFERENCE_GROUPING
217 extern module_t *prefs_register_protocol_subtree(const char *subtree, int id,
218 void (*apply_cb)(void));
221 * Register that a protocol used to have preferences but no longer does,
222 * by creating an "obsolete" module for it.
224 extern module_t *prefs_register_protocol_obsolete(int id);
227 * Callback function for module list scanners.
229 typedef guint (*module_cb)(module_t *module, gpointer user_data);
232 * Returns TRUE if module has any submodules
234 extern gboolean prefs_module_has_submodules(module_t *module);
237 * Call a callback function, with a specified argument, for each module
238 * in the list of all modules. (This list does not include subtrees.)
240 * Ignores "obsolete" modules; their sole purpose is to allow old
241 * preferences for dissectors that no longer have preferences to be
242 * silently ignored in preference files.
244 extern guint prefs_modules_foreach(module_cb callback, gpointer user_data);
247 * Call a callback function, with a specified argument, for each submodule
248 * of specified modules. If the module is NULL, goes through the top-level
249 * list in the display tree of modules.
251 * Ignores "obsolete" modules; their sole purpose is to allow old
252 * preferences for dissectors that no longer have preferences to be
253 * silently ignored in preference files. Does not ignore subtrees,
254 * as this can be used when walking the display tree of modules.
256 extern guint prefs_modules_foreach_submodules(module_t *module, module_cb callback, gpointer user_data);
259 * Call the "apply" callback function for each module if any of its
260 * preferences have changed, and then clear the flag saying its
261 * preferences have changed, as the module has been notified of that
264 extern void prefs_apply_all(void);
267 * Call the "apply" callback function for a specific module if any of
268 * its preferences have changed, and then clear the flag saying its
269 * preferences have changed, as the module has been notified of that
272 extern void prefs_apply(module_t *module);
277 typedef struct preference pref_t;
280 * Returns TRUE if the given protocol has registered preferences.
282 extern gboolean prefs_is_registered_protocol(const char *name);
285 * Returns the module title of a registered protocol (or NULL if unknown).
287 extern const char *prefs_get_title_by_name(const char *name);
289 /** Given a module name, return a pointer to its pref_module struct,
290 * or NULL if it's not found.
292 * @param name The preference module name. Usually the same as the protocol
294 * @return A pointer to the corresponding preference module, or NULL if it
297 extern module_t *prefs_find_module(const char *name);
299 /** Given a module name, and a preference name return a pointer to the given
300 * module's given preference or NULL if it's not found.
302 * @param module The preference module name. Usually the same as the protocol
304 * @param pref The preference name, e.g. "desegment".
305 * @return A pointer to the corresponding preference, or NULL if it
308 extern pref_t *prefs_find_preference(module_t * module, const char *pref);
311 * Register a preference with an unsigned integral value.
313 extern void prefs_register_uint_preference(module_t *module, const char *name,
314 const char *title, const char *description, guint base, guint *var);
317 * Register a preference with an Boolean value.
318 * Note that the name must be in lowercase letters only (underscore allowed).
320 extern void prefs_register_bool_preference(module_t *module, const char *name,
321 const char *title, const char *description, gboolean *var);
324 * Register a preference with an enumerated value.
328 const char *description;
332 extern void prefs_register_enum_preference(module_t *module, const char *name,
333 const char *title, const char *description, gint *var,
334 const enum_val_t *enumvals, gboolean radio_buttons);
337 * Register a preference with a character-string value.
339 extern void prefs_register_string_preference(module_t *module, const char *name,
340 const char *title, const char *description, const char **var);
343 * Register a preference with a ranged value.
345 extern void prefs_register_range_preference(module_t *module, const char *name,
346 const char *title, const char *description, range_t **var,
350 * Register a static text 'preference'. It can be used to add some info/explanation.
352 extern void prefs_register_static_text_preference(module_t *module, const char *name,
353 const char *title, const char *description);
356 * Register a uat 'preference'. It adds a button that opens the uat's window in the
357 * preferences tab of the module.
359 extern void prefs_register_uat_preference(module_t *module,
362 const char *description,
366 * Register a preference that used to be supported but no longer is.
368 extern void prefs_register_obsolete_preference(module_t *module,
371 typedef guint (*pref_cb)(pref_t *pref, gpointer user_data);
374 * Call a callback function, with a specified argument, for each preference
377 * If any of the callbacks return a non-zero value, stop and return that
378 * value, otherwise return 0.
380 extern guint prefs_pref_foreach(module_t *module, pref_cb callback,
383 /* Parse through a list of comma-separated, possibly quoted strings.
384 * Return a list of the string data.
386 extern GList *prefs_get_string_list(gchar *str);
388 /* Clear the given list of string data. */
389 extern void prefs_clear_string_list(GList *sl);
392 * Register all non-dissector modules' preferences.
394 extern void prefs_register_modules(void);
396 /* Read the preferences file, fill in "prefs", and return a pointer to it.
398 If we got an error (other than "it doesn't exist") trying to read
399 the global preferences file, stuff the errno into "*gpf_errno_return"
400 on an open error and into "*gpf_read_errno_return" on a read error,
401 stuff a pointer to the path of the file into "*gpf_path_return", and
404 If we got an error (other than "it doesn't exist") trying to read
405 the user's preferences file, stuff the errno into "*pf_errno_return"
406 on an open error and into "*pf_read_errno_return" on a read error,
407 stuff a pointer to the path of the file into "*pf_path_return", and
409 extern e_prefs *read_prefs(int *, int *, char **, int *, int *, char **);
411 /* Write out "prefs" to the user's preferences file, and return 0.
413 If we got an error, stuff a pointer to the path of the preferences file
414 into "*pf_path_return", and return the errno. */
415 extern int write_prefs(char **);
417 /* Copy a set of preferences. */
418 extern void copy_prefs(e_prefs *dest, e_prefs *src);
420 /* Free a set of preferences. */
421 extern void free_prefs(e_prefs *pr);
424 * Given a string of the form "<pref name>:<pref value>", as might appear
425 * as an argument to a "-o" option, parse it and set the preference in
426 * question. Return an indication of whether it succeeded or failed
429 * XXX - should supply, for syntax errors, a detailed explanation of
433 PREFS_SET_OK, /* succeeded */
434 PREFS_SET_SYNTAX_ERR, /* syntax error in string */
435 PREFS_SET_NO_SUCH_PREF, /* no such preference */
436 PREFS_SET_OBSOLETE /* preference used to exist but no longer does */
439 extern prefs_set_pref_e prefs_set_pref(char *prefarg);
442 * Returns TRUE if the given device is hidden
444 extern gboolean prefs_is_capture_device_hidden(const char *name);