2 * Definitions for preference handling routines
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.
32 #include <epan/range.h>
35 #define PR_DEST_FILE 1
38 #define DEF_HEIGHT 550
40 #define MAX_VAL_LEN 1024
42 /* only GTK1 *or* GTK2 font_name should be used */
43 #if GTK_MAJOR_VERSION < 2
44 #define PREFS_GUI_FONT_NAME gui_font_name1
46 #define PREFS_GUI_FONT_NAME gui_font_name2
50 * Convert a string listing name resolution types to a bitmask of
53 * Set "*name_resolve" to the bitmask, and return '\0', on success;
54 * return the bad character in the string on error.
56 char string_to_name_resolve(char *string, guint32 *name_resolve);
59 * Modes for the starting directory in File Open dialogs.
61 #define FO_STYLE_LAST_OPENED 0 /* start in last directory we looked at */
62 #define FO_STYLE_SPECIFIED 1 /* start in specified directory */
67 #define TB_STYLE_ICONS 0
68 #define TB_STYLE_TEXT 1
69 #define TB_STYLE_BOTH 2
72 * Types of layout of summary/details/hex panes.
75 layout_unused, /* entry currently unused */
89 layout_pane_content_none,
90 layout_pane_content_plist,
91 layout_pane_content_pdetails,
92 layout_pane_content_pbytes
93 } layout_pane_content_e;
96 * open console behaviour (win32 only)
105 typedef struct _e_prefs {
112 color_t st_client_fg, st_client_bg, st_server_fg, st_server_bg;
113 gboolean gui_scrollbar_on_right;
114 gboolean gui_plist_sel_browse;
115 gboolean gui_ptree_sel_browse;
116 gboolean gui_altern_colors;
117 gboolean filter_toolbar_show_in_statusbar;
118 gint gui_ptree_line_style;
119 gint gui_ptree_expander_style;
120 gboolean gui_hex_dump_highlight_style;
121 gint gui_toolbar_main_style;
122 gchar *gui_font_name1;
123 gchar *gui_font_name2;
124 color_t gui_marked_fg;
125 color_t gui_marked_bg;
126 gboolean gui_geometry_save_position;
127 gboolean gui_geometry_save_size;
128 gboolean gui_geometry_save_maximized;
129 console_open_e gui_console_open;
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 gchar *gui_webbrowser;
137 gchar *gui_window_title;
138 layout_type_e gui_layout_type;
139 layout_pane_content_e gui_layout_content_1;
140 layout_pane_content_e gui_layout_content_2;
141 layout_pane_content_e gui_layout_content_3;
142 gint console_log_level;
143 guint32 name_resolve;
144 gint name_resolve_concurrency;
145 gchar *capture_device;
146 gchar *capture_devices_descr;
147 gchar *capture_devices_hide;
148 gboolean capture_prom_mode;
149 gboolean capture_real_time;
150 gboolean capture_auto_scroll;
151 gboolean capture_show_info;
154 ETH_VAR_IMPORT e_prefs prefs;
157 * Routines to let modules that have preference settings register
158 * themselves by name, and to let them register preference settings
163 typedef struct pref_module module_t;
166 * Register a module that will have preferences.
167 * Specify the module under which to register it or NULL to register it
168 * at the top level, the name used for the module in the preferences file,
169 * the title used in the tab for it in a preferences dialog box, and a
170 * routine to call back when we apply the preferences.
172 * This should not be used for dissector preferences;
173 * "prefs_register_protocol()" should be used for that, so that the
174 * preferences go under the "Protocols" subtree, and so that the
175 * name is the protocol name specified at the "proto_register_protocol()"
176 * call so that the "Protocol Properties..." menu item works.
178 extern module_t *prefs_register_module(module_t *parent, const char *name,
179 const char *title, void (*apply_cb)(void));
182 * Register a subtree that will have modules under it.
183 * Specify the module under which to register it or NULL to register it
184 * at the top level and the title used in the tab for it in a preferences
187 extern module_t *prefs_register_subtree(module_t *parent, const char *title);
190 * Register that a protocol has preferences.
192 extern module_t *prefs_register_protocol(int id, void (*apply_cb)(void));
195 * Register that a protocol used to have preferences but no longer does,
196 * by creating an "obsolete" module for it.
198 extern module_t *prefs_register_protocol_obsolete(int id);
201 * Callback function for module list scanners.
203 typedef guint (*module_cb)(module_t *module, gpointer user_data);
206 * Call a callback function, with a specified argument, for each module
207 * in a list of modules. If the list is NULL, searches the top-level
208 * list in the display tree of modules.
210 * Ignores "obsolete" modules; their sole purpose is to allow old
211 * preferences for dissectors that no longer have preferences to be
212 * silently ignored in preference files. Does not ignore subtrees,
213 * as this can be used when walking the display tree of modules.
215 extern guint prefs_module_list_foreach(GList *module_list, module_cb callback,
219 * Call a callback function, with a specified argument, for each module
220 * in the list of all modules. (This list does not include subtrees.)
222 * Ignores "obsolete" modules; their sole purpose is to allow old
223 * preferences for dissectors that no longer have preferences to be
224 * silently ignored in preference files.
226 extern guint prefs_modules_foreach(module_cb callback, gpointer user_data);
229 * Call the "apply" callback function for each module if any of its
230 * preferences have changed, and then clear the flag saying its
231 * preferences have changed, as the module has been notified of that
234 extern void prefs_apply_all(void);
238 typedef struct preference pref_t;
241 * Returns TRUE if the given protocol has registered preferences.
243 extern gboolean prefs_is_registered_protocol(const char *name);
246 * Returns the module title of a registered protocol (or NULL if unknown).
248 extern const char *prefs_get_title_by_name(const char *name);
251 * Register a preference with an unsigned integral value.
253 extern void prefs_register_uint_preference(module_t *module, const char *name,
254 const char *title, const char *description, guint base, guint *var);
257 * Register a preference with an Boolean value.
259 extern void prefs_register_bool_preference(module_t *module, const char *name,
260 const char *title, const char *description, gboolean *var);
263 * Register a preference with an enumerated value.
267 const char *description;
271 extern void prefs_register_enum_preference(module_t *module, const char *name,
272 const char *title, const char *description, gint *var,
273 const enum_val_t *enumvals, gboolean radio_buttons);
276 * Register a preference with a character-string value.
278 extern void prefs_register_string_preference(module_t *module, const char *name,
279 const char *title, const char *description, const char **var);
282 * Register a preference with a ranged value.
284 extern void prefs_register_range_preference(module_t *module, const char *name,
285 const char *title, const char *description, range_t **var,
289 * Register a preference that used to be supported but no longer is.
291 extern void prefs_register_obsolete_preference(module_t *module,
294 typedef guint (*pref_cb)(pref_t *pref, gpointer user_data);
297 * Call a callback function, with a specified argument, for each preference
300 * If any of the callbacks return a non-zero value, stop and return that
301 * value, otherwise return 0.
303 extern guint prefs_pref_foreach(module_t *module, pref_cb callback,
307 * Register all non-dissector modules' preferences.
309 extern void prefs_register_modules(void);
311 /* Read the preferences file, fill in "prefs", and return a pointer to it.
313 If we got an error (other than "it doesn't exist") trying to read
314 the global preferences file, stuff the errno into "*gpf_errno_return"
315 on an open error and into "*gpf_read_errno_return" on a read error,
316 stuff a pointer to the path of the file into "*gpf_path_return", and
319 If we got an error (other than "it doesn't exist") trying to read
320 the user's preferences file, stuff the errno into "*pf_errno_return"
321 on an open error and into "*pf_read_errno_return" on a read error,
322 stuff a pointer to the path of the file into "*pf_path_return", and
324 extern e_prefs *read_prefs(int *, int *, char **, int *, int *, char **);
326 /* Write out "prefs" to the user's preferences file, and return 0.
328 If we got an error, stuff a pointer to the path of the preferences file
329 into "*pf_path_return", and return the errno. */
330 extern int write_prefs(char **);
332 /* Copy a set of preferences. */
333 extern void copy_prefs(e_prefs *dest, e_prefs *src);
335 /* Free a set of preferences. */
336 extern void free_prefs(e_prefs *pr);
339 * Given a string of the form "<pref name>:<pref value>", as might appear
340 * as an argument to a "-o" option, parse it and set the preference in
341 * question. Return an indication of whether it succeeded or failed
344 * XXX - should supply, for syntax errors, a detailed explanation of
347 #define PREFS_SET_OK 0 /* succeeded */
348 #define PREFS_SET_SYNTAX_ERR 1 /* syntax error in string */
349 #define PREFS_SET_NO_SUCH_PREF 2 /* no such preference */
350 #define PREFS_SET_OBSOLETE 3 /* preference used to exist but no longer does */
352 extern int prefs_set_pref(char *prefarg);