/* prefs.h * Definitions for preference handling routines * * $Id$ * * Ethereal - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef __PREFS_H__ #define __PREFS_H__ #include #include "color.h" #define PR_DEST_CMD 0 #define PR_DEST_FILE 1 #define DEF_WIDTH 750 #define DEF_HEIGHT 550 #define MAX_VAL_LEN 1024 /* only GTK1 *or* GTK2 font_name should be used */ #if GTK_MAJOR_VERSION < 2 #define PREFS_GUI_FONT_NAME gui_font_name1 #else #define PREFS_GUI_FONT_NAME gui_font_name2 #endif /* * Convert a string listing name resolution types to a bitmask of * those types. * * Set "*name_resolve" to the bitmask, and return '\0', on success; * return the bad character in the string on error. */ char string_to_name_resolve(char *string, guint32 *name_resolve); /* * Modes for the starting directory in File Open dialogs. */ #define FO_STYLE_LAST_OPENED 0 /* start in last directory we looked at */ #define FO_STYLE_SPECIFIED 1 /* start in specified directory */ /* * Toolbar styles. */ #define TB_STYLE_ICONS 0 #define TB_STYLE_TEXT 1 #define TB_STYLE_BOTH 2 /* * Types of layout of summary/details/hex panes. */ typedef enum { layout_unused, /* entry currently unused */ layout_type_5, layout_type_2, layout_type_1, layout_type_4, layout_type_3, layout_type_6, layout_type_max } layout_type_e; /* * Types of pane. */ typedef enum { layout_pane_content_none, layout_pane_content_plist, layout_pane_content_pdetails, layout_pane_content_pbytes } layout_pane_content_e; /* * open console behaviour (win32 only) */ typedef enum { console_open_never, console_open_auto, console_open_always } console_open_e; typedef struct _e_prefs { gint pr_format; gint pr_dest; gchar *pr_file; gchar *pr_cmd; GList *col_list; gint num_cols; color_t st_client_fg, st_client_bg, st_server_fg, st_server_bg; gboolean gui_scrollbar_on_right; gboolean gui_plist_sel_browse; gboolean gui_ptree_sel_browse; gboolean gui_altern_colors; gboolean filter_toolbar_show_in_statusbar; gint gui_ptree_line_style; gint gui_ptree_expander_style; gboolean gui_hex_dump_highlight_style; gint gui_toolbar_main_style; gchar *gui_font_name1; gchar *gui_font_name2; color_t gui_marked_fg; color_t gui_marked_bg; gboolean gui_geometry_save_position; gboolean gui_geometry_save_size; gboolean gui_geometry_save_maximized; console_open_e gui_console_open; guint gui_fileopen_style; guint gui_recent_files_count_max; gchar *gui_fileopen_dir; gboolean gui_ask_unsaved; gchar *gui_webbrowser; layout_type_e gui_layout_type; layout_pane_content_e gui_layout_content_1; layout_pane_content_e gui_layout_content_2; layout_pane_content_e gui_layout_content_3; guint32 name_resolve; gint name_resolve_concurrency; gchar *capture_device; gchar *capture_devices_descr; gchar *capture_devices_hide; gboolean capture_prom_mode; gboolean capture_real_time; gboolean capture_auto_scroll; gboolean capture_show_info; } e_prefs; ETH_VAR_IMPORT e_prefs prefs; /* * Routines to let modules that have preference settings register * themselves by name, and to let them register preference settings * by name. */ struct pref_module; typedef struct pref_module module_t; /* * Register a module that will have preferences. * Specify the module under which to register it or NULL to register it * at the top level, the name used for the module in the preferences file, * the title used in the tab for it in a preferences dialog box, and a * routine to call back when we apply the preferences. * * This should not be used for dissector preferences; * "prefs_register_protocol()" should be used for that, so that the * preferences go under the "Protocols" subtree, and so that the * name is the protocol name specified at the "proto_register_protocol()" * call so that the "Protocol Properties..." menu item works. */ extern module_t *prefs_register_module(module_t *parent, const char *name, const char *title, void (*apply_cb)(void)); /* * Register a subtree that will have modules under it. * Specify the module under which to register it or NULL to register it * at the top level and the title used in the tab for it in a preferences * dialog box. */ extern module_t *prefs_register_subtree(module_t *parent, const char *title); /* * Register that a protocol has preferences. */ extern module_t *prefs_register_protocol(int id, void (*apply_cb)(void)); /* * Register that a protocol used to have preferences but no longer does, * by creating an "obsolete" module for it. */ extern module_t *prefs_register_protocol_obsolete(int id); /* * Callback function for module list scanners. */ typedef void (*module_cb)(module_t *module, gpointer user_data); /* * Call a callback function, with a specified argument, for each module * in a list of modules. If the list is NULL, searches the top-level * list in the display tree of modules. * * Ignores "obsolete" modules; their sole purpose is to allow old * preferences for dissectors that no longer have preferences to be * silently ignored in preference files. Does not ignore subtrees, * as this can be used when walking the display tree of modules. */ extern void prefs_module_list_foreach(GList *module_list, module_cb callback, gpointer user_data); /* * Call a callback function, with a specified argument, for each module * in the list of all modules. (This list does not include subtrees.) * * Ignores "obsolete" modules; their sole purpose is to allow old * preferences for dissectors that no longer have preferences to be * silently ignored in preference files. */ extern void prefs_modules_foreach(module_cb callback, gpointer user_data); /* * Call the "apply" callback function for each module if any of its * preferences have changed, and then clear the flag saying its * preferences have changed, as the module has been notified of that * fact. */ extern void prefs_apply_all(void); struct preference; typedef struct preference pref_t; /* * Returns TRUE if the given protocol has registered preferences. */ extern gboolean prefs_is_registered_protocol(char *name); /* * Returns the module title of a registered protocol (or NULL if unknown). */ extern const char *prefs_get_title_by_name(char *name); /* * Register a preference with an unsigned integral value. */ extern void prefs_register_uint_preference(module_t *module, const char *name, const char *title, const char *description, guint base, guint *var); /* * Register a preference with an Boolean value. */ extern void prefs_register_bool_preference(module_t *module, const char *name, const char *title, const char *description, gboolean *var); /* * Register a preference with an enumerated value. */ typedef struct { char *name; char *description; gint value; } enum_val_t; extern void prefs_register_enum_preference(module_t *module, const char *name, const char *title, const char *description, gint *var, const enum_val_t *enumvals, gboolean radio_buttons); /* * Register a preference with a character-string value. */ extern void prefs_register_string_preference(module_t *module, const char *name, const char *title, const char *description, char **var); /* * Register a preference that used to be supported but no longer is. */ extern void prefs_register_obsolete_preference(module_t *module, const char *name); typedef guint (*pref_cb)(pref_t *pref, gpointer user_data); /* * Call a callback function, with a specified argument, for each preference * in a given module. * * If any of the callbacks return a non-zero value, stop and return that * value, otherwise return 0. */ extern guint prefs_pref_foreach(module_t *module, pref_cb callback, gpointer user_data); /* * Register all non-dissector modules' preferences. */ extern void prefs_register_modules(void); /* Read the preferences file, fill in "prefs", and return a pointer to it. If we got an error (other than "it doesn't exist") trying to read the global preferences file, stuff the errno into "*gpf_errno_return" on an open error and into "*gpf_read_errno_return" on a read error, stuff a pointer to the path of the file into "*gpf_path_return", and return NULL. If we got an error (other than "it doesn't exist") trying to read the user's preferences file, stuff the errno into "*pf_errno_return" on an open error and into "*pf_read_errno_return" on a read error, stuff a pointer to the path of the file into "*pf_path_return", and return NULL. */ extern e_prefs *read_prefs(int *, int *, char **, int *, int *, char **); /* Write out "prefs" to the user's preferences file, and return 0. If we got an error, stuff a pointer to the path of the preferences file into "*pf_path_return", and return the errno. */ extern int write_prefs(char **); /* Copy a set of preferences. */ extern void copy_prefs(e_prefs *dest, e_prefs *src); /* Free a set of preferences. */ extern void free_prefs(e_prefs *pr); /* * Given a string of the form ":", as might appear * as an argument to a "-o" option, parse it and set the preference in * question. Return an indication of whether it succeeded or failed * in some fashion. * * XXX - should supply, for syntax errors, a detailed explanation of * the syntax error. */ #define PREFS_SET_OK 0 /* succeeded */ #define PREFS_SET_SYNTAX_ERR 1 /* syntax error in string */ #define PREFS_SET_NO_SUCH_PREF 2 /* no such preference */ #define PREFS_SET_OBSOLETE 3 /* preference used to exist but no longer does */ extern int prefs_set_pref(char *prefarg); #endif /* prefs.h */