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wireshark/gtk/prefs_dlg.c
Guy Harris cc7347ebf6 Allow a dissector to register preferences that it no longer supports as 
obsolete; we silently ignore attempts to set those in a preferences
file, so that we don't spam the user with error messages caused by them
having saved preferences in an earlier release that contained those
preferences.

Make the Diameter and iSCSI dissectors register obsolete preferences.

Crash if some code tries to register a preferences module with a name
that contains something other than lower-case ASCII letters, numbers, or
underscores, or that has already been registered, or if some code tries
to register a preference with a name that contains something other than
lower-case ASCII letters, numbers, underscores, or periods, or that has
already been registered, so that we don't put code like that in a
release and have to shovel code into "prefs.c" to fix it up later.  (The
problem with multiple modules or preferences with the same name should
be obvious; the problem with names with blanks, or upper-case letters,
or punctuation, is that they're a pain to type on the command line.)

svn path=/trunk/; revision=4148
2001-11-04 02:50:21 +00:00

902 lines
29 KiB
C
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/* prefs_dlg.c
* Routines for handling preferences
*
* $Id: prefs_dlg.c,v 1.33 2001/11/04 02:50:21 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* 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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <gtk/gtk.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#include <epan/filesystem.h>
#include "main.h"
#include "gtkglobals.h"
#include "packet.h"
#include "file.h"
#include "prefs.h"
#include "column_prefs.h"
#include "print.h"
#include "prefs_dlg.h"
#include "print_prefs.h"
#include "stream_prefs.h"
#include "gui_prefs.h"
#include "ui_util.h"
#include "dlg_utils.h"
#include "simple_dialog.h"
#include "prefs-int.h"
static void prefs_main_ok_cb(GtkWidget *, gpointer);
static void prefs_main_apply_cb(GtkWidget *, gpointer);
static void prefs_main_save_cb(GtkWidget *, gpointer);
static void prefs_main_cancel_cb(GtkWidget *, gpointer);
static gboolean prefs_main_delete_cb(GtkWidget *, gpointer);
static void prefs_main_destroy_cb(GtkWidget *, gpointer);
static void prefs_tree_select_cb(GtkCTree *, GtkCTreeNode *, gint, gpointer);
#define E_PRINT_PAGE_KEY "printer_options_page"
#define E_COLUMN_PAGE_KEY "column_options_page"
#define E_STREAM_PAGE_KEY "tcp_stream_options_page"
#define E_GUI_PAGE_KEY "gui_options_page"
#define FIRST_PROTO_PREFS_PAGE 4
/*
* Keep a static pointer to the notebook to be able to choose the
* displayed page.
*/
static GtkWidget *notebook;
/*
* Keep a static pointer to the current "Preferences" window, if any, so that
* if somebody tries to do "Edit:Preferences" while there's already a
* "Preferences" window up, we just pop up the existing one, rather than
* creating a new one.
*/
static GtkWidget *prefs_w;
/*
* Save the value of the preferences as of when the preferences dialog
* box was first popped up, so we can revert to those values if the
* user selects "Cancel".
*/
static e_prefs saved_prefs;
struct ct_struct {
GtkWidget *notebook;
GtkWidget *ctree;
GtkCTreeNode *node;
gint page;
};
static void
pref_show(pref_t *pref, gpointer user_data)
{
GtkWidget *main_tb = user_data;
const char *title;
char *label_string;
GtkWidget *label, *menu, *menu_item, *widget, *button;
GSList *rb_group;
char uint_str[10+1];
const enum_val_t *enum_valp;
int menu_index, index;
/* Give this preference a label which is its title, followed by a colon,
and left-align it. */
title = pref->title;
label_string = g_malloc(strlen(title) + 2);
strcpy(label_string, title);
strcat(label_string, ":");
label = gtk_label_new(label_string);
g_free(label_string);
gtk_misc_set_alignment(GTK_MISC(label), 1.0, 0.5);
/* Attach it to the table. */
gtk_table_attach_defaults(GTK_TABLE(main_tb), label, 0, 1, pref->ordinal,
pref->ordinal+1);
/* Save the current value of the preference, so that we can revert it if
the user does "Apply" and then "Cancel", and create the control for
editing the preference. */
widget = NULL; /* squelch GCC complaints */
switch (pref->type) {
case PREF_UINT:
pref->saved_val.uint = *pref->varp.uint;
/* XXX - there are no uint spinbuttons, so we can't use a spinbutton.
Even more annoyingly, even if there were, GLib doesn't define
G_MAXUINT - but I think ANSI C may define UINT_MAX, so we could
use that. */
widget = gtk_entry_new();
switch (pref->info.base) {
case 10:
sprintf(uint_str, "%u", pref->saved_val.uint);
break;
case 8:
sprintf(uint_str, "%o", pref->saved_val.uint);
break;
case 16:
sprintf(uint_str, "%x", pref->saved_val.uint);
break;
}
gtk_entry_set_text(GTK_ENTRY(widget), uint_str);
pref->control = widget;
break;
case PREF_BOOL:
pref->saved_val.bool = *pref->varp.bool;
widget = gtk_check_button_new();
gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(widget), pref->saved_val.bool);
pref->control = widget;
break;
case PREF_ENUM:
pref->saved_val.enumval = *pref->varp.enump;
if (pref->info.enum_info.radio_buttons) {
/* Show it as radio buttons. */
widget = gtk_hbox_new(FALSE, 0);
rb_group = NULL;
for (enum_valp = pref->info.enum_info.enumvals, index = 0;
enum_valp->name != NULL; enum_valp++, index++) {
button = gtk_radio_button_new_with_label(rb_group, enum_valp->name);
if (rb_group == NULL)
rb_group = gtk_radio_button_group(GTK_RADIO_BUTTON(button));
gtk_box_pack_start(GTK_BOX(widget), button, FALSE, FALSE, 10);
if (enum_valp->value == pref->saved_val.enumval)
gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(button), TRUE);
pref->control = button;
}
} else {
/* Show it as an option menu. */
menu = gtk_menu_new();
menu_index = -1;
for (enum_valp = pref->info.enum_info.enumvals, index = 0;
enum_valp->name != NULL; enum_valp++, index++) {
menu_item = gtk_menu_item_new_with_label(enum_valp->name);
gtk_menu_append(GTK_MENU(menu), menu_item);
if (enum_valp->value == pref->saved_val.enumval)
menu_index = index;
gtk_widget_show(menu_item);
}
/* Create the option menu from the option */
widget = gtk_option_menu_new();
gtk_option_menu_set_menu(GTK_OPTION_MENU(widget), menu);
/* Set its current value to the variable's current value */
if (menu_index != -1)
gtk_option_menu_set_history(GTK_OPTION_MENU(widget), menu_index);
pref->control = widget;
}
break;
case PREF_STRING:
widget = gtk_entry_new();
if (pref->saved_val.string != NULL)
g_free(pref->saved_val.string);
pref->saved_val.string = g_strdup(*pref->varp.string);
gtk_entry_set_text(GTK_ENTRY(widget), pref->saved_val.string);
pref->control = widget;
break;
case PREF_OBSOLETE:
g_assert_not_reached();
widget = NULL;
break;
}
gtk_table_attach_defaults(GTK_TABLE(main_tb), widget, 1, 2, pref->ordinal,
pref->ordinal+1);
}
#define MAX_TREE_NODE_NAME_LEN 64
static void
module_prefs_show(module_t *module, gpointer user_data)
{
struct ct_struct *cts = user_data;
GtkWidget *main_vb, *main_tb, *frame;
gchar label_str[MAX_TREE_NODE_NAME_LEN], *label_ptr = label_str;
GtkCTreeNode *ct_node;
/* Frame */
frame = gtk_frame_new(module->title);
gtk_widget_show(frame);
/* Main vertical box */
main_vb = gtk_vbox_new(FALSE, 5);
gtk_container_border_width(GTK_CONTAINER(main_vb), 5);
gtk_container_add(GTK_CONTAINER(frame), main_vb);
/* Main table */
main_tb = gtk_table_new(module->numprefs, 2, FALSE);
gtk_box_pack_start(GTK_BOX(main_vb), main_tb, FALSE, FALSE, 0);
gtk_table_set_row_spacings(GTK_TABLE(main_tb), 10);
gtk_table_set_col_spacings(GTK_TABLE(main_tb), 15);
/* Add items for each of the preferences */
prefs_pref_foreach(module, pref_show, main_tb);
gtk_notebook_append_page(GTK_NOTEBOOK(cts->notebook), frame, NULL);
strcpy(label_str, module->title);
ct_node = gtk_ctree_insert_node(GTK_CTREE(cts->ctree), cts->node, NULL,
&label_ptr, 5, NULL, NULL, NULL, NULL, TRUE, TRUE);
gtk_ctree_node_set_row_data(GTK_CTREE(cts->ctree), ct_node,
GINT_TO_POINTER(cts->page));
cts->page++;
/* Show 'em what we got */
gtk_widget_show_all(main_vb);
}
void
prefs_cb(GtkWidget *w, gpointer dummy) {
GtkWidget *main_vb, *top_hb, *bbox, *prefs_nb, *ct_sb, *frame,
*ok_bt, *apply_bt, *save_bt, *cancel_bt;
GtkWidget *print_pg, *column_pg, *stream_pg, *gui_pg;
gchar label_str[MAX_TREE_NODE_NAME_LEN], *label_ptr = label_str;
GtkCTreeNode *ct_node;
struct ct_struct cts;
if (prefs_w != NULL) {
/* There's already a "Preferences" dialog box; reactivate it. */
reactivate_window(prefs_w);
return;
}
/* Save the current preferences, so we can revert to those values
if the user presses "Cancel". */
copy_prefs(&saved_prefs, &prefs);
prefs_w = dlg_window_new("Ethereal: Preferences");
gtk_signal_connect(GTK_OBJECT(prefs_w), "delete_event",
GTK_SIGNAL_FUNC(prefs_main_delete_cb), NULL);
gtk_signal_connect(GTK_OBJECT(prefs_w), "destroy",
GTK_SIGNAL_FUNC(prefs_main_destroy_cb), NULL);
/* Container for each row of widgets */
main_vb = gtk_vbox_new(FALSE, 5);
gtk_container_border_width(GTK_CONTAINER(main_vb), 5);
gtk_container_add(GTK_CONTAINER(prefs_w), main_vb);
gtk_widget_show(main_vb);
/* Top row: Preferences tree and notebook */
top_hb = gtk_hbox_new(FALSE, 10);
gtk_container_add(GTK_CONTAINER(main_vb), top_hb);
gtk_widget_show(top_hb);
/* Place a Ctree on the left for preference categories */
ct_sb = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(ct_sb),
GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
set_scrollbar_placement_scrollw(ct_sb, prefs.gui_scrollbar_on_right);
remember_scrolled_window(ct_sb);
gtk_container_add(GTK_CONTAINER(top_hb), ct_sb);
gtk_widget_show(ct_sb);
cts.ctree = gtk_ctree_new(1, 0);
cts.page = 0;
gtk_container_add(GTK_CONTAINER(ct_sb), cts.ctree);
/* Be consistent with our line/expander styles */
g_assert(prefs.gui_ptree_line_style >= GTK_CTREE_LINES_NONE &&
prefs.gui_ptree_line_style <= GTK_CTREE_LINES_TABBED);
gtk_ctree_set_line_style(GTK_CTREE(cts.ctree), prefs.gui_ptree_line_style);
g_assert(prefs.gui_ptree_expander_style >= GTK_CTREE_EXPANDER_NONE &&
prefs.gui_ptree_expander_style <= GTK_CTREE_EXPANDER_CIRCULAR);
gtk_ctree_set_expander_style(GTK_CTREE(cts.ctree),
prefs.gui_ptree_expander_style);
gtk_clist_set_column_auto_resize(GTK_CLIST(cts.ctree), 0, TRUE);
gtk_signal_connect(GTK_OBJECT(cts.ctree), "tree-select-row",
GTK_SIGNAL_FUNC(prefs_tree_select_cb), NULL);
gtk_widget_show(cts.ctree);
/* A notebook widget sans tabs is used to flip between prefs */
notebook = prefs_nb = gtk_notebook_new();
gtk_notebook_set_show_tabs(GTK_NOTEBOOK(notebook), FALSE);
gtk_notebook_set_show_border(GTK_NOTEBOOK(notebook), FALSE);
gtk_container_add(GTK_CONTAINER(top_hb), prefs_nb);
gtk_widget_show(prefs_nb);
/* Printing prefs */
frame = gtk_frame_new("Printing");
gtk_widget_show(GTK_WIDGET(frame));
print_pg = printer_prefs_show();
gtk_container_add(GTK_CONTAINER(frame), print_pg);
gtk_object_set_data(GTK_OBJECT(prefs_w), E_PRINT_PAGE_KEY, print_pg);
gtk_notebook_append_page (GTK_NOTEBOOK(prefs_nb), frame, NULL);
strcpy(label_str, "Printing");
ct_node = gtk_ctree_insert_node(GTK_CTREE(cts.ctree), NULL, NULL,
&label_ptr, 5, NULL, NULL, NULL, NULL, TRUE, TRUE);
gtk_ctree_node_set_row_data(GTK_CTREE(cts.ctree), ct_node,
GINT_TO_POINTER(cts.page));
cts.page++;
/* Column prefs */
frame = gtk_frame_new("Columns");
gtk_widget_show(GTK_WIDGET(frame));
column_pg = column_prefs_show();
gtk_container_add(GTK_CONTAINER(frame), column_pg);
gtk_object_set_data(GTK_OBJECT(prefs_w), E_COLUMN_PAGE_KEY, column_pg);
gtk_notebook_append_page (GTK_NOTEBOOK(prefs_nb), frame, NULL);
strcpy(label_str, "Columns");
ct_node = gtk_ctree_insert_node(GTK_CTREE(cts.ctree), NULL, NULL,
&label_ptr, 5, NULL, NULL, NULL, NULL, TRUE, TRUE);
gtk_ctree_node_set_row_data(GTK_CTREE(cts.ctree), ct_node,
GINT_TO_POINTER(cts.page));
cts.page++;
/* TCP Streams prefs */
frame = gtk_frame_new("TCP Streams");
gtk_widget_show(GTK_WIDGET(frame));
stream_pg = stream_prefs_show();
gtk_container_add(GTK_CONTAINER(frame), stream_pg);
gtk_object_set_data(GTK_OBJECT(prefs_w), E_STREAM_PAGE_KEY, stream_pg);
gtk_notebook_append_page (GTK_NOTEBOOK(prefs_nb), frame, NULL);
strcpy(label_str, "TCP Streams");
ct_node = gtk_ctree_insert_node(GTK_CTREE(cts.ctree), NULL, NULL,
&label_ptr, 5, NULL, NULL, NULL, NULL, TRUE, TRUE);
gtk_ctree_node_set_row_data(GTK_CTREE(cts.ctree), ct_node,
GINT_TO_POINTER(cts.page));
cts.page++;
/* GUI prefs */
frame = gtk_frame_new("User Interface");
gtk_widget_show(GTK_WIDGET(frame));
gui_pg = gui_prefs_show();
gtk_container_add(GTK_CONTAINER(frame), gui_pg);
gtk_object_set_data(GTK_OBJECT(prefs_w), E_GUI_PAGE_KEY, gui_pg);
gtk_notebook_append_page (GTK_NOTEBOOK(prefs_nb), frame, NULL);
strcpy(label_str, "User Interface");
ct_node = gtk_ctree_insert_node(GTK_CTREE(cts.ctree), NULL, NULL,
&label_ptr, 5, NULL, NULL, NULL, NULL, TRUE, TRUE);
gtk_ctree_node_set_row_data(GTK_CTREE(cts.ctree), ct_node,
GINT_TO_POINTER(cts.page));
cts.page++;
/* Registered prefs */
cts.notebook = prefs_nb;
strcpy(label_str, "Protocols");
cts.node = gtk_ctree_insert_node(GTK_CTREE(cts.ctree), NULL, NULL,
&label_ptr, 5, NULL, NULL, NULL, NULL, FALSE, FALSE);
gtk_ctree_node_set_row_data(GTK_CTREE(cts.ctree), cts.node,
GINT_TO_POINTER(-1));
gtk_ctree_node_set_selectable(GTK_CTREE(cts.ctree), cts.node, FALSE);
prefs_module_foreach(module_prefs_show, &cts);
/* Button row: OK and cancel buttons */
bbox = gtk_hbutton_box_new();
gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_END);
gtk_button_box_set_spacing(GTK_BUTTON_BOX(bbox), 5);
gtk_container_add(GTK_CONTAINER(main_vb), bbox);
gtk_widget_show(bbox);
ok_bt = gtk_button_new_with_label ("OK");
gtk_signal_connect(GTK_OBJECT(ok_bt), "clicked",
GTK_SIGNAL_FUNC(prefs_main_ok_cb), GTK_OBJECT(prefs_w));
GTK_WIDGET_SET_FLAGS(ok_bt, GTK_CAN_DEFAULT);
gtk_box_pack_start (GTK_BOX (bbox), ok_bt, TRUE, TRUE, 0);
gtk_widget_grab_default(ok_bt);
gtk_widget_show(ok_bt);
apply_bt = gtk_button_new_with_label ("Apply");
gtk_signal_connect(GTK_OBJECT(apply_bt), "clicked",
GTK_SIGNAL_FUNC(prefs_main_apply_cb), GTK_OBJECT(prefs_w));
GTK_WIDGET_SET_FLAGS(apply_bt, GTK_CAN_DEFAULT);
gtk_box_pack_start(GTK_BOX (bbox), apply_bt, TRUE, TRUE, 0);
gtk_widget_show(apply_bt);
save_bt = gtk_button_new_with_label ("Save");
gtk_signal_connect(GTK_OBJECT(save_bt), "clicked",
GTK_SIGNAL_FUNC(prefs_main_save_cb), GTK_OBJECT(prefs_w));
GTK_WIDGET_SET_FLAGS(save_bt, GTK_CAN_DEFAULT);
gtk_box_pack_start (GTK_BOX (bbox), save_bt, TRUE, TRUE, 0);
gtk_widget_show(save_bt);
cancel_bt = gtk_button_new_with_label ("Cancel");
gtk_signal_connect(GTK_OBJECT(cancel_bt), "clicked",
GTK_SIGNAL_FUNC(prefs_main_cancel_cb), GTK_OBJECT(prefs_w));
GTK_WIDGET_SET_FLAGS(cancel_bt, GTK_CAN_DEFAULT);
gtk_box_pack_start (GTK_BOX (bbox), cancel_bt, TRUE, TRUE, 0);
gtk_widget_show(cancel_bt);
/* Catch the "key_press_event" signal in the window, so that we can catch
the ESC key being pressed and act as if the "Cancel" button had
been selected. */
dlg_set_cancel(prefs_w, cancel_bt);
gtk_widget_show(prefs_w);
}
static void
pref_fetch(pref_t *pref, gpointer user_data)
{
GtkWidget *label;
char *label_string;
char *str_val;
char *p;
guint uval;
gboolean bval;
GSList *rb_entry;
GtkWidget *button;
gint enumval;
gboolean *pref_changed_p = user_data;
/* Fetch the value of the preference, and set the appropriate variable
to it. */
switch (pref->type) {
case PREF_UINT:
str_val = gtk_entry_get_text(GTK_ENTRY(pref->control));
uval = strtoul(str_val, &p, pref->info.base);
#if 0
if (p == value || *p != '\0')
return PREFS_SET_SYNTAX_ERR; /* number was bad */
#endif
if (*pref->varp.uint != uval) {
*pref_changed_p = TRUE;
*pref->varp.uint = uval;
}
break;
case PREF_BOOL:
bval = GTK_TOGGLE_BUTTON(pref->control)->active;
if (*pref->varp.bool != bval) {
*pref_changed_p = TRUE;
*pref->varp.bool = bval;
}
break;
case PREF_ENUM:
if (pref->info.enum_info.radio_buttons) {
/* Go through the list of of radio buttons in the group, and find
the first one that's active. */
button = NULL;
for (rb_entry = gtk_radio_button_group(GTK_RADIO_BUTTON(pref->control));
rb_entry != NULL;
rb_entry = g_slist_next(rb_entry)) {
button = rb_entry->data;
if (GTK_TOGGLE_BUTTON(button)->active)
break;
}
/* OK, now find that button's label. */
label = GTK_BIN(button)->child;
} else {
/* Get the label for the currently active entry in the option menu.
Yes, this is how you do it. See FAQ 6.8 in the GTK+ FAQ. */
label = GTK_BIN(pref->control)->child;
}
/* Get the label, and translate it to a value. */
gtk_label_get(GTK_LABEL(label), &label_string);
enumval = find_val_for_string(label_string,
pref->info.enum_info.enumvals, 1);
if (*pref->varp.enump != enumval) {
*pref_changed_p = TRUE;
*pref->varp.enump = enumval;
}
break;
case PREF_STRING:
str_val = gtk_entry_get_text(GTK_ENTRY(pref->control));
if (*pref->varp.string == NULL || strcmp(*pref->varp.string, str_val) != 0) {
*pref_changed_p = TRUE;
if (*pref->varp.string != NULL)
g_free(*pref->varp.string);
*pref->varp.string = g_strdup(str_val);
}
break;
case PREF_OBSOLETE:
g_assert_not_reached();
break;
}
}
static void
module_prefs_fetch(module_t *module, gpointer user_data)
{
gboolean *must_redissect_p = user_data;
/* For all preferences in this module, fetch its value from this
module's notebook page. Find out whether any of them changed. */
module->prefs_changed = FALSE; /* assume none of them changed */
prefs_pref_foreach(module, pref_fetch, &module->prefs_changed);
/* If any of them changed, indicate that we must redissect and refilter
the current capture (if we have one), as the preference change
could cause packets to be dissected differently. */
if (module->prefs_changed)
*must_redissect_p = TRUE;
}
static void
pref_clean(pref_t *pref, gpointer user_data)
{
switch (pref->type) {
case PREF_UINT:
break;
case PREF_BOOL:
break;
case PREF_ENUM:
break;
case PREF_STRING:
if (pref->saved_val.string != NULL) {
g_free(pref->saved_val.string);
pref->saved_val.string = NULL;
}
break;
case PREF_OBSOLETE:
g_assert_not_reached();
break;
}
}
static void
module_prefs_clean(module_t *module, gpointer user_data)
{
/* For all preferences in this module, clean up any cruft allocated for
use by the GUI code. */
prefs_pref_foreach(module, pref_clean, NULL);
}
static void
prefs_main_ok_cb(GtkWidget *ok_bt, gpointer parent_w)
{
gboolean must_redissect = FALSE;
/* Fetch the preferences (i.e., make sure all the values set in all of
the preferences panes have been copied to "prefs" and the registered
preferences). */
printer_prefs_fetch(gtk_object_get_data(GTK_OBJECT(parent_w), E_PRINT_PAGE_KEY));
column_prefs_fetch(gtk_object_get_data(GTK_OBJECT(parent_w), E_COLUMN_PAGE_KEY));
stream_prefs_fetch(gtk_object_get_data(GTK_OBJECT(parent_w), E_STREAM_PAGE_KEY));
gui_prefs_fetch(gtk_object_get_data(GTK_OBJECT(parent_w), E_GUI_PAGE_KEY));
prefs_module_foreach(module_prefs_fetch, &must_redissect);
/* Now apply those preferences. */
printer_prefs_apply(gtk_object_get_data(GTK_OBJECT(parent_w), E_PRINT_PAGE_KEY));
column_prefs_apply(gtk_object_get_data(GTK_OBJECT(parent_w), E_COLUMN_PAGE_KEY));
stream_prefs_apply(gtk_object_get_data(GTK_OBJECT(parent_w), E_STREAM_PAGE_KEY));
gui_prefs_apply(gtk_object_get_data(GTK_OBJECT(parent_w), E_GUI_PAGE_KEY));
prefs_apply_all();
/* Now destroy the "Preferences" dialog. */
gtk_widget_destroy(GTK_WIDGET(parent_w));
if (must_redissect) {
/* Redissect all the packets, and re-evaluate the display filter. */
redissect_packets(&cfile);
}
}
static void
prefs_main_apply_cb(GtkWidget *apply_bt, gpointer parent_w)
{
gboolean must_redissect = FALSE;
/* Fetch the preferences (i.e., make sure all the values set in all of
the preferences panes have been copied to "prefs" and the registered
preferences). */
printer_prefs_fetch(gtk_object_get_data(GTK_OBJECT(parent_w), E_PRINT_PAGE_KEY));
column_prefs_fetch(gtk_object_get_data(GTK_OBJECT(parent_w), E_COLUMN_PAGE_KEY));
stream_prefs_fetch(gtk_object_get_data(GTK_OBJECT(parent_w), E_STREAM_PAGE_KEY));
gui_prefs_fetch(gtk_object_get_data(GTK_OBJECT(parent_w), E_GUI_PAGE_KEY));
prefs_module_foreach(module_prefs_fetch, &must_redissect);
/* Now apply those preferences. */
printer_prefs_apply(gtk_object_get_data(GTK_OBJECT(parent_w), E_PRINT_PAGE_KEY));
column_prefs_apply(gtk_object_get_data(GTK_OBJECT(parent_w), E_COLUMN_PAGE_KEY));
stream_prefs_apply(gtk_object_get_data(GTK_OBJECT(parent_w), E_STREAM_PAGE_KEY));
gui_prefs_apply(gtk_object_get_data(GTK_OBJECT(parent_w), E_GUI_PAGE_KEY));
prefs_module_foreach(module_prefs_fetch, &must_redissect);
prefs_apply_all();
if (must_redissect) {
/* Redissect all the packets, and re-evaluate the display filter. */
redissect_packets(&cfile);
}
}
static void
prefs_main_save_cb(GtkWidget *save_bt, gpointer parent_w)
{
gboolean must_redissect = FALSE;
int err;
char *pf_dir_path;
const char *pf_path;
/* Fetch the preferences (i.e., make sure all the values set in all of
the preferences panes have been copied to "prefs" and the registered
preferences). */
printer_prefs_fetch(gtk_object_get_data(GTK_OBJECT(parent_w), E_PRINT_PAGE_KEY));
column_prefs_fetch(gtk_object_get_data(GTK_OBJECT(parent_w), E_COLUMN_PAGE_KEY));
stream_prefs_fetch(gtk_object_get_data(GTK_OBJECT(parent_w), E_STREAM_PAGE_KEY));
gui_prefs_fetch(gtk_object_get_data(GTK_OBJECT(parent_w), E_GUI_PAGE_KEY));
prefs_module_foreach(module_prefs_fetch, &must_redissect);
/* Create the directory that holds personal configuration files, if
necessary. */
if (create_persconffile_dir(&pf_dir_path) == -1) {
simple_dialog(ESD_TYPE_WARN, NULL,
"Can't create directory\n\"%s\"\nfor preferences file: %s.", pf_dir_path,
strerror(errno));
g_free(pf_dir_path);
} else {
/* Write the preferencs out. */
err = write_prefs(&pf_path);
if (err != 0) {
simple_dialog(ESD_TYPE_WARN, NULL,
"Can't open preferences file\n\"%s\": %s.", pf_path,
strerror(err));
}
}
/* Now apply those preferences.
XXX - should we do this? The user didn't click "OK" or "Apply".
However:
1) by saving the preferences they presumably indicate that they
like them;
2) the next time they fire Ethereal up, those preferences will
apply;
3) we'd have to buffer "must_redissect" so that if they do
"Apply" after this, we know we have to redissect;
4) we did apply the protocol preferences, at least, in the past. */
printer_prefs_apply(gtk_object_get_data(GTK_OBJECT(parent_w), E_PRINT_PAGE_KEY));
column_prefs_apply(gtk_object_get_data(GTK_OBJECT(parent_w), E_COLUMN_PAGE_KEY));
stream_prefs_apply(gtk_object_get_data(GTK_OBJECT(parent_w), E_STREAM_PAGE_KEY));
gui_prefs_apply(gtk_object_get_data(GTK_OBJECT(parent_w), E_GUI_PAGE_KEY));
prefs_module_foreach(module_prefs_fetch, &must_redissect);
prefs_apply_all();
if (must_redissect) {
/* Redissect all the packets, and re-evaluate the display filter. */
redissect_packets(&cfile);
}
}
static void
pref_revert(pref_t *pref, gpointer user_data)
{
gboolean *pref_changed_p = user_data;
/* Revert the preference to its saved value. */
switch (pref->type) {
case PREF_UINT:
if (*pref->varp.uint != pref->saved_val.uint) {
*pref_changed_p = TRUE;
*pref->varp.uint = pref->saved_val.uint;
}
break;
case PREF_BOOL:
if (*pref->varp.bool != pref->saved_val.bool) {
*pref_changed_p = TRUE;
*pref->varp.bool = pref->saved_val.bool;
}
break;
case PREF_ENUM:
if (*pref->varp.enump != pref->saved_val.enumval) {
*pref_changed_p = TRUE;
*pref->varp.enump = pref->saved_val.enumval;
}
break;
case PREF_STRING:
if (*pref->varp.string != pref->saved_val.string &&
(*pref->varp.string == NULL ||
pref->saved_val.string == NULL ||
strcmp(*pref->varp.string, pref->saved_val.string) != 0)) {
*pref_changed_p = TRUE;
if (*pref->varp.string != NULL)
g_free(*pref->varp.string);
*pref->varp.string = g_strdup(pref->saved_val.string);
}
break;
case PREF_OBSOLETE:
g_assert_not_reached();
break;
}
}
static void
module_prefs_revert(module_t *module, gpointer user_data)
{
gboolean *must_redissect_p = user_data;
/* For all preferences in this module, revert its value to the value
it had when we popped up the Preferences dialog. Find out whether
this changes any of them. */
module->prefs_changed = FALSE; /* assume none of them changed */
prefs_pref_foreach(module, pref_revert, &module->prefs_changed);
/* If any of them changed, indicate that we must redissect and refilter
the current capture (if we have one), as the preference change
could cause packets to be dissected differently. */
if (module->prefs_changed)
*must_redissect_p = TRUE;
}
static void
prefs_main_cancel_cb(GtkWidget *cancel_bt, gpointer parent_w)
{
gboolean must_redissect = FALSE;
/* Free up the current preferences and copy the saved preferences to the
current preferences. */
free_prefs(&prefs);
copy_prefs(&prefs, &saved_prefs);
/* Now revert the registered preferences. */
prefs_module_foreach(module_prefs_revert, &must_redissect);
/* Now apply the reverted-to preferences. */
printer_prefs_apply(gtk_object_get_data(GTK_OBJECT(parent_w), E_PRINT_PAGE_KEY));
column_prefs_apply(gtk_object_get_data(GTK_OBJECT(parent_w), E_COLUMN_PAGE_KEY));
stream_prefs_apply(gtk_object_get_data(GTK_OBJECT(parent_w), E_STREAM_PAGE_KEY));
gui_prefs_apply(gtk_object_get_data(GTK_OBJECT(parent_w), E_GUI_PAGE_KEY));
prefs_apply_all();
gtk_widget_destroy(GTK_WIDGET(parent_w));
if (must_redissect) {
/* Redissect all the packets, and re-evaluate the display filter. */
redissect_packets(&cfile);
}
}
/* Treat this as a cancel, by calling "prefs_main_cancel_cb()".
XXX - that'll destroy the Preferences dialog; will that upset
a higher-level handler that says "OK, we've been asked to delete
this, so destroy it"? */
static gboolean
prefs_main_delete_cb(GtkWidget *prefs_w, gpointer dummy)
{
prefs_main_cancel_cb(NULL, prefs_w);
return FALSE;
}
static void
prefs_main_destroy_cb(GtkWidget *win, gpointer user_data)
{
/* Let the preference tabs clean up anything they've done. */
printer_prefs_destroy(gtk_object_get_data(GTK_OBJECT(prefs_w), E_PRINT_PAGE_KEY));
column_prefs_destroy(gtk_object_get_data(GTK_OBJECT(prefs_w), E_COLUMN_PAGE_KEY));
stream_prefs_destroy(gtk_object_get_data(GTK_OBJECT(prefs_w), E_STREAM_PAGE_KEY));
gui_prefs_destroy(gtk_object_get_data(GTK_OBJECT(prefs_w), E_GUI_PAGE_KEY));
/* Free up the saved preferences (both for "prefs" and for registered
preferences). */
free_prefs(&saved_prefs);
prefs_module_foreach(module_prefs_clean, NULL);
/* Note that we no longer have a "Preferences" dialog box. */
prefs_w = NULL;
}
struct properties_data {
GtkWidget *w;
int page_num;
char *title;
};
/* XXX this way of searching the correct page number is really ugly ... */
static void
module_search_properties(module_t *module, gpointer user_data)
{
struct properties_data *p = (struct properties_data *)user_data;
if (p->title == NULL) return;
if (strcmp(module->title, p->title) == 0) {
/* found it */
gtk_notebook_set_page(GTK_NOTEBOOK(p->w), p->page_num);
p->title = NULL;
} else {
p->page_num++;
}
}
void
properties_cb(GtkWidget *w, gpointer dummy)
{
gchar *title = NULL;
struct properties_data p;
if (finfo_selected) {
header_field_info *hfinfo = finfo_selected->hfinfo;
if (hfinfo->parent == -1) {
title = (gchar *)prefs_get_title_by_name(hfinfo->abbrev);
} else {
title = (gchar *)
prefs_get_title_by_name(proto_registrar_get_abbrev(hfinfo->parent));
}
} else {
return;
}
if (!title) return;
if (prefs_w != NULL) {
reactivate_window(prefs_w);
} else {
prefs_cb(w, dummy);
}
p.w = notebook;
p.page_num = FIRST_PROTO_PREFS_PAGE;
p.title = title;
prefs_module_foreach(module_search_properties, &p);
}
/* Prefs tree selection callback. The node data has been loaded with
the proper notebook page to load. */
static void
prefs_tree_select_cb(GtkCTree *ct, GtkCTreeNode *node, gint col, gpointer dummy)
{
gint page = GPOINTER_TO_INT(gtk_ctree_node_get_row_data(ct, node));
if (page >= 0)
gtk_notebook_set_page(GTK_NOTEBOOK(notebook), page);
}
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