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
44 /* only GTK1 *or* GTK2 font_name should be used */
45 /* (we need to keep both in the preferences file but will only use the one suitable for the programs GTK version used) */
46 #if GTK_MAJOR_VERSION < 2
47 #define PREFS_GUI_FONT_NAME gui_font_name1
49 #define PREFS_GUI_FONT_NAME gui_font_name2
53 * Convert a string listing name resolution types to a bitmask of
56 * Set "*name_resolve" to the bitmask, and return '\0', on success;
57 * return the bad character in the string on error.
59 char string_to_name_resolve(char *string, guint32 *name_resolve);
62 * Modes for the starting directory in File Open dialogs.
64 #define FO_STYLE_LAST_OPENED 0 /* start in last directory we looked at */
65 #define FO_STYLE_SPECIFIED 1 /* start in specified directory */
70 #define TB_STYLE_ICONS 0
71 #define TB_STYLE_TEXT 1
72 #define TB_STYLE_BOTH 2
75 * Types of layout of summary/details/hex panes.
78 layout_unused, /* entry currently unused */
92 layout_pane_content_none,
93 layout_pane_content_plist,
94 layout_pane_content_pdetails,
95 layout_pane_content_pbytes
96 } layout_pane_content_e;
99 * open console behaviour (win32 only)
108 typedef struct _e_prefs {
115 color_t st_client_fg, st_client_bg, st_server_fg, st_server_bg;
116 gboolean gui_scrollbar_on_right;
117 gboolean gui_plist_sel_browse;
118 gboolean gui_ptree_sel_browse;
119 gboolean gui_altern_colors;
120 gboolean filter_toolbar_show_in_statusbar;
121 gint gui_ptree_line_style;
122 gint gui_ptree_expander_style;
123 gboolean gui_hex_dump_highlight_style;
124 gint gui_toolbar_main_style;
125 gchar *gui_font_name1;
126 gchar *gui_font_name2;
127 color_t gui_marked_fg;
128 color_t gui_marked_bg;
129 gchar *gui_colorized_fg;
130 gchar *gui_colorized_bg;
131 gboolean gui_geometry_save_position;
132 gboolean gui_geometry_save_size;
133 gboolean gui_geometry_save_maximized;
134 console_open_e gui_console_open;
135 guint gui_recent_files_count_max;
136 guint gui_fileopen_style;
137 gchar *gui_fileopen_dir;
138 guint gui_fileopen_preview;
139 gboolean gui_ask_unsaved;
140 gboolean gui_find_wrap;
141 gboolean gui_use_pref_save;
142 gchar *gui_webbrowser;
143 gchar *gui_window_title;
144 layout_type_e gui_layout_type;
145 layout_pane_content_e gui_layout_content_1;
146 layout_pane_content_e gui_layout_content_2;
147 layout_pane_content_e gui_layout_content_3;
148 gint console_log_level;
149 guint32 name_resolve;
150 gint name_resolve_concurrency;
151 gchar *capture_device;
152 gchar *capture_devices_descr;
153 gchar *capture_devices_hide;
154 gboolean capture_prom_mode;
155 gboolean capture_real_time;
156 gboolean capture_auto_scroll;
157 gboolean capture_show_info;
158 guint rtp_player_max_visible;
161 WS_VAR_IMPORT e_prefs prefs;
164 * Routines to let modules that have preference settings register
165 * themselves by name, and to let them register preference settings
170 typedef struct pref_module module_t;
172 /** Sets up memory used by proto routines. Called at program startup */
173 extern void prefs_init(void);
175 /** Reset preferences to default values. Called at profile change */
176 extern void prefs_reset(void);
178 /** Frees memory used by proto routines. Called at program shutdown */
179 extern void prefs_cleanup(void);
182 * Register a module that will have preferences.
183 * Specify the module under which to register it or NULL to register it
184 * at the top level, the name used for the module in the preferences file,
185 * the title used in the tab for it in a preferences dialog box, and a
186 * routine to call back when we apply the preferences.
188 * This should not be used for dissector preferences;
189 * "prefs_register_protocol()" should be used for that, so that the
190 * preferences go under the "Protocols" subtree, and so that the
191 * name is the protocol name specified at the "proto_register_protocol()"
192 * call so that the "Protocol Properties..." menu item works.
194 extern module_t *prefs_register_module(module_t *parent, const char *name,
195 const char *title, const char *description, void (*apply_cb)(void));
198 * Register a subtree that will have modules under it.
199 * Specify the module under which to register it or NULL to register it
200 * at the top level and the title used in the tab for it in a preferences
203 extern module_t *prefs_register_subtree(module_t *parent, const char *title,
204 const char *description);
207 * Register that a protocol has preferences.
209 extern module_t *prefs_register_protocol(int id, void (*apply_cb)(void));
212 * Register that a protocol has preferences and group it under a single
215 #define PREFERENCE_GROUPING
216 extern module_t *prefs_register_protocol_subtree(const char *subtree, int id,
217 void (*apply_cb)(void));
220 * Register that a protocol used to have preferences but no longer does,
221 * by creating an "obsolete" module for it.
223 extern module_t *prefs_register_protocol_obsolete(int id);
226 * Callback function for module list scanners.
228 typedef guint (*module_cb)(module_t *module, gpointer user_data);
231 * Returns TRUE if module has any submodules
233 extern gboolean prefs_module_has_submodules(module_t *module);
236 * Call a callback function, with a specified argument, for each module
237 * in the list of all modules. (This list does not include subtrees.)
239 * Ignores "obsolete" modules; their sole purpose is to allow old
240 * preferences for dissectors that no longer have preferences to be
241 * silently ignored in preference files.
243 extern guint prefs_modules_foreach(module_cb callback, gpointer user_data);
246 * Call a callback function, with a specified argument, for each submodule
247 * of specified modules. If the module is NULL, goes through the top-level
248 * list in the display tree of modules.
250 * Ignores "obsolete" modules; their sole purpose is to allow old
251 * preferences for dissectors that no longer have preferences to be
252 * silently ignored in preference files. Does not ignore subtrees,
253 * as this can be used when walking the display tree of modules.
255 extern guint prefs_modules_foreach_submodules(module_t *module, module_cb callback, gpointer user_data);
258 * Call the "apply" callback function for each module if any of its
259 * preferences have changed, and then clear the flag saying its
260 * preferences have changed, as the module has been notified of that
263 extern void prefs_apply_all(void);
266 * Call the "apply" callback function for a specific module if any of
267 * its preferences have changed, and then clear the flag saying its
268 * preferences have changed, as the module has been notified of that
271 extern void prefs_apply(module_t *module);
276 typedef struct preference pref_t;
279 * Returns TRUE if the given protocol has registered preferences.
281 extern gboolean prefs_is_registered_protocol(const char *name);
284 * Returns the module title of a registered protocol (or NULL if unknown).
286 extern const char *prefs_get_title_by_name(const char *name);
288 /** Given a module name, return a pointer to its pref_module struct,
289 * or NULL if it's not found.
291 * @param name The preference module name. Usually the same as the protocol
293 * @return A pointer to the corresponding preference module, or NULL if it
296 extern module_t *prefs_find_module(const char *name);
299 * Register a preference with an unsigned integral value.
301 extern void prefs_register_uint_preference(module_t *module, const char *name,
302 const char *title, const char *description, guint base, guint *var);
305 * Register a preference with an Boolean value.
307 extern void prefs_register_bool_preference(module_t *module, const char *name,
308 const char *title, const char *description, gboolean *var);
311 * Register a preference with an enumerated value.
315 const char *description;
319 extern void prefs_register_enum_preference(module_t *module, const char *name,
320 const char *title, const char *description, gint *var,
321 const enum_val_t *enumvals, gboolean radio_buttons);
324 * Register a preference with a character-string value.
326 extern void prefs_register_string_preference(module_t *module, const char *name,
327 const char *title, const char *description, const char **var);
330 * Register a preference with a ranged value.
332 extern void prefs_register_range_preference(module_t *module, const char *name,
333 const char *title, const char *description, range_t **var,
337 * Register a static text 'preference'. It can be used to add some info/explanation.
339 extern void prefs_register_static_text_preference(module_t *module, const char *name,
340 const char *title, const char *description);
343 * Register a uat 'preference'. It adds a button that opens the uat's window in the
344 * preferences tab of the module.
346 extern void prefs_register_uat_preference(module_t *module,
349 const char *description,
353 * Register a preference that used to be supported but no longer is.
355 extern void prefs_register_obsolete_preference(module_t *module,
358 typedef guint (*pref_cb)(pref_t *pref, gpointer user_data);
361 * Call a callback function, with a specified argument, for each preference
364 * If any of the callbacks return a non-zero value, stop and return that
365 * value, otherwise return 0.
367 extern guint prefs_pref_foreach(module_t *module, pref_cb callback,
371 * Register all non-dissector modules' preferences.
373 extern void prefs_register_modules(void);
375 /* Read the preferences file, fill in "prefs", and return a pointer to it.
377 If we got an error (other than "it doesn't exist") trying to read
378 the global preferences file, stuff the errno into "*gpf_errno_return"
379 on an open error and into "*gpf_read_errno_return" on a read error,
380 stuff a pointer to the path of the file into "*gpf_path_return", and
383 If we got an error (other than "it doesn't exist") trying to read
384 the user's preferences file, stuff the errno into "*pf_errno_return"
385 on an open error and into "*pf_read_errno_return" on a read error,
386 stuff a pointer to the path of the file into "*pf_path_return", and
388 extern e_prefs *read_prefs(int *, int *, char **, int *, int *, char **);
390 /* Write out "prefs" to the user's preferences file, and return 0.
392 If we got an error, stuff a pointer to the path of the preferences file
393 into "*pf_path_return", and return the errno. */
394 extern int write_prefs(char **);
396 /* Copy a set of preferences. */
397 extern void copy_prefs(e_prefs *dest, e_prefs *src);
399 /* Free a set of preferences. */
400 extern void free_prefs(e_prefs *pr);
403 * Given a string of the form "<pref name>:<pref value>", as might appear
404 * as an argument to a "-o" option, parse it and set the preference in
405 * question. Return an indication of whether it succeeded or failed
408 * XXX - should supply, for syntax errors, a detailed explanation of
412 PREFS_SET_OK, /* succeeded */
413 PREFS_SET_SYNTAX_ERR, /* syntax error in string */
414 PREFS_SET_NO_SUCH_PREF, /* no such preference */
415 PREFS_SET_OBSOLETE /* preference used to exist but no longer does */
418 extern prefs_set_pref_e prefs_set_pref(char *prefarg);
421 * Returns TRUE if the given device is hidden
423 extern gboolean prefs_is_capture_device_hidden(const char *name);