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/* gtkpacket.c
* Routines for GTK+ packet display
*
* $Id: gtkpacket.c,v 1.5 1999/05/01 05:39:06 gram Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@zing.org>
* 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 <ctype.h>
#include <stdarg.h>
#include <gtk/gtk.h>
#ifdef NEED_SNPRINTF_H
# include "snprintf.h"
#endif
#include <stdio.h>
#include "ethereal.h"
#include "packet.h"
#ifndef __GTKPACKET_H__
#include "gtkpacket.h"
#endif
#define BYTE_VIEW_WIDTH 16
#define BYTE_VIEW_SEP 8
extern GtkWidget *byte_view;
extern GdkFont *m_r_font, *m_b_font;
void
packet_hex_print(GtkText *bv, guint8 *pd, gint len, gint bstart, gint blen) {
gint i = 0, j, k, cur;
gchar line[128], hexchars[] = "0123456789abcdef";
GdkFont *cur_font, *new_font;
while (i < len) {
/* Print the line number */
sprintf(line, "%04x ", i);
gtk_text_insert(bv, m_r_font, NULL, NULL, line, -1);
/* Do we start in bold? */
cur_font = (i >= bstart && i < (bstart + blen)) ? m_b_font : m_r_font;
j = i;
k = i + BYTE_VIEW_WIDTH;
cur = 0;
/* Print the hex bit */
while (i < k) {
if (i < len) {
line[cur++] = hexchars[(pd[i] & 0xf0) >> 4];
line[cur++] = hexchars[pd[i] & 0x0f];
} else {
line[cur++] = ' '; line[cur++] = ' ';
}
line[cur++] = ' ';
i++;
/* insert a space every BYTE_VIEW_SEP bytes */
if( ( i % BYTE_VIEW_SEP ) == 0 ) line[cur++] = ' ';
/* Did we cross a bold/plain boundary? */
new_font = (i >= bstart && i < (bstart + blen)) ? m_b_font : m_r_font;
if (cur_font != new_font) {
gtk_text_insert(bv, cur_font, NULL, NULL, line, cur);
cur_font = new_font;
cur = 0;
}
}
line[cur++] = ' ';
gtk_text_insert(bv, cur_font, NULL, NULL, line, cur);
cur = 0;
i = j;
/* Print the ASCII bit */
cur_font = (i >= bstart && i < (bstart + blen)) ? m_b_font : m_r_font;
while (i < k) {
if (i < len) {
line[cur++] = (isgraph(pd[i])) ? pd[i] : '.';
} else {
line[cur++] = ' ';
}
i++;
/* insert a space every BYTE_VIEW_SEP bytes */
if( ( i % BYTE_VIEW_SEP ) == 0 ) line[cur++] = ' ';
/* Did we cross a bold/plain boundary? */
new_font = (i >= bstart && i < (bstart + blen)) ? m_b_font : m_r_font;
if (cur_font != new_font) {
gtk_text_insert(bv, cur_font, NULL, NULL, line, cur);
cur_font = new_font;
cur = 0;
}
}
line[cur++] = '\n';
line[cur] = '\0';
gtk_text_insert(bv, cur_font, NULL, NULL, line, -1);
}
}
static void
expand_tree(GtkWidget *w, gpointer data) {
gint *val = (gint *) data;
*val = 1;
}
static void
collapse_tree(GtkWidget *w, gpointer data) {
gint *val = (gint *) data;
*val = 0;
}
static void
set_item_style(GtkWidget *widget, gpointer dummy)
{
gtk_widget_set_style(widget, item_style);
}
proto_item *
proto_tree_add_item(proto_tree *tree, gint start, gint len,
gchar *format, ...) {
GtkWidget *ti;
va_list ap;
gchar label_str[256];
if (!tree)
return(NULL);
va_start(ap, format);
vsnprintf(label_str, 256, format, ap);
ti = gtk_tree_item_new_with_label(label_str);
gtk_container_foreach(GTK_CONTAINER(ti), set_item_style, NULL);
gtk_object_set_data(GTK_OBJECT(ti), E_TREEINFO_START_KEY, (gpointer) start);
gtk_object_set_data(GTK_OBJECT(ti), E_TREEINFO_LEN_KEY, (gpointer) len);
gtk_tree_append(GTK_TREE(tree), ti);
gtk_widget_show(ti);
return (proto_item*) ti;
}
void
proto_item_set_len(proto_item *ti, gint len)
{
gtk_object_set_data(GTK_OBJECT(ti), E_TREEINFO_LEN_KEY, (gpointer) len);
}
void
proto_item_add_subtree(proto_item *ti, proto_tree *subtree, gint idx) {
static gint tree_type[NUM_TREE_TYPES];
gtk_tree_item_set_subtree(GTK_TREE_ITEM(ti), GTK_WIDGET(subtree));
if (tree_type[idx])
gtk_tree_item_expand(GTK_TREE_ITEM(ti));
gtk_signal_connect(GTK_OBJECT(ti), "expand", (GtkSignalFunc) expand_tree,
(gpointer) &tree_type[idx]);
gtk_signal_connect(GTK_OBJECT(ti), "collapse", (GtkSignalFunc) collapse_tree,
(gpointer) &tree_type[idx]);
}
proto_tree*
proto_tree_new(void)
{
return (proto_tree*) gtk_tree_new();
}
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