192 lines
5.3 KiB
C
192 lines
5.3 KiB
C
/* gtkpacket.c
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* Routines for GTK+ packet display
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*
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* $Id: gtkpacket.c,v 1.6 1999/07/07 22:51:39 gram Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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* Copyright 1998 Gerald Combs
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#include <ctype.h>
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#include <stdarg.h>
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#include <gtk/gtk.h>
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#ifdef NEED_SNPRINTF_H
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# include "snprintf.h"
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#endif
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#include <stdio.h>
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#include "ethereal.h"
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#include "packet.h"
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#ifndef __GTKPACKET_H__
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#include "gtkpacket.h"
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#endif
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#define BYTE_VIEW_WIDTH 16
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#define BYTE_VIEW_SEP 8
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extern GtkWidget *byte_view;
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extern GdkFont *m_r_font, *m_b_font;
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static void
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proto_tree_draw_node(GNode *node, gpointer data);
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void
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packet_hex_print(GtkText *bv, guint8 *pd, gint len, gint bstart, gint blen) {
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gint i = 0, j, k, cur;
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gchar line[128], hexchars[] = "0123456789abcdef";
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GdkFont *cur_font, *new_font;
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while (i < len) {
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/* Print the line number */
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sprintf(line, "%04x ", i);
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gtk_text_insert(bv, m_r_font, NULL, NULL, line, -1);
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/* Do we start in bold? */
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cur_font = (i >= bstart && i < (bstart + blen)) ? m_b_font : m_r_font;
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j = i;
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k = i + BYTE_VIEW_WIDTH;
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cur = 0;
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/* Print the hex bit */
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while (i < k) {
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if (i < len) {
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line[cur++] = hexchars[(pd[i] & 0xf0) >> 4];
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line[cur++] = hexchars[pd[i] & 0x0f];
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} else {
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line[cur++] = ' '; line[cur++] = ' ';
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}
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line[cur++] = ' ';
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i++;
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/* insert a space every BYTE_VIEW_SEP bytes */
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if( ( i % BYTE_VIEW_SEP ) == 0 ) line[cur++] = ' ';
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/* Did we cross a bold/plain boundary? */
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new_font = (i >= bstart && i < (bstart + blen)) ? m_b_font : m_r_font;
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if (cur_font != new_font) {
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gtk_text_insert(bv, cur_font, NULL, NULL, line, cur);
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cur_font = new_font;
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cur = 0;
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}
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}
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line[cur++] = ' ';
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gtk_text_insert(bv, cur_font, NULL, NULL, line, cur);
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cur = 0;
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i = j;
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/* Print the ASCII bit */
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cur_font = (i >= bstart && i < (bstart + blen)) ? m_b_font : m_r_font;
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while (i < k) {
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if (i < len) {
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line[cur++] = (isgraph(pd[i])) ? pd[i] : '.';
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} else {
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line[cur++] = ' ';
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}
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i++;
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/* insert a space every BYTE_VIEW_SEP bytes */
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if( ( i % BYTE_VIEW_SEP ) == 0 ) line[cur++] = ' ';
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/* Did we cross a bold/plain boundary? */
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new_font = (i >= bstart && i < (bstart + blen)) ? m_b_font : m_r_font;
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if (cur_font != new_font) {
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gtk_text_insert(bv, cur_font, NULL, NULL, line, cur);
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cur_font = new_font;
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cur = 0;
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}
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}
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line[cur++] = '\n';
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line[cur] = '\0';
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gtk_text_insert(bv, cur_font, NULL, NULL, line, -1);
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}
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}
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static void
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expand_tree(GtkWidget *w, gpointer data) {
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gint *val = (gint *) data;
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*val = 1;
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}
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static void
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collapse_tree(GtkWidget *w, gpointer data) {
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gint *val = (gint *) data;
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*val = 0;
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}
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static void
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set_item_style(GtkWidget *widget, gpointer dummy)
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{
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gtk_widget_set_style(widget, item_style);
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}
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void
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proto_tree_draw(proto_tree *protocol_tree, GtkWidget *tree_view)
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{
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g_node_children_foreach((GNode*) protocol_tree, G_TRAVERSE_ALL,
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proto_tree_draw_node, tree_view);
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}
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static void
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proto_tree_draw_node(GNode *node, gpointer data)
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{
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GtkWidget *tree_view = (GtkWidget*) data;
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field_info *fi = (field_info*) (node->data);
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GtkWidget *ti, *subtree;
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gchar label_str[ITEM_LABEL_LENGTH];
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gchar *label_ptr;
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static gint tree_type[NUM_TREE_TYPES];
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if (!fi->visible)
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return;
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/* was a free format label produced? */
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if (fi->representation) {
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label_ptr = fi->representation;
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}
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else { /* no, make a generic label */
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label_ptr = label_str;
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proto_item_fill_label(fi, label_str);
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}
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ti = gtk_tree_item_new_with_label(label_ptr);
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gtk_container_foreach(GTK_CONTAINER(ti), set_item_style, NULL);
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gtk_object_set_data(GTK_OBJECT(ti), E_TREEINFO_START_KEY, (gpointer) fi->start);
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gtk_object_set_data(GTK_OBJECT(ti), E_TREEINFO_LEN_KEY, (gpointer) fi->length);
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gtk_tree_append(GTK_TREE(tree_view), ti);
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gtk_widget_show(ti);
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if (g_node_n_children(node) > 0) {
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subtree = gtk_tree_new();
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gtk_tree_item_set_subtree(GTK_TREE_ITEM(ti), GTK_WIDGET(subtree));
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if (tree_type[fi->tree_type])
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gtk_tree_item_expand(GTK_TREE_ITEM(ti));
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gtk_signal_connect(GTK_OBJECT(ti), "expand", (GtkSignalFunc) expand_tree,
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(gpointer) &tree_type[fi->tree_type]);
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gtk_signal_connect(GTK_OBJECT(ti), "collapse", (GtkSignalFunc) collapse_tree,
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(gpointer) &tree_type[fi->tree_type]);
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g_node_children_foreach(node, G_TRAVERSE_ALL,
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proto_tree_draw_node, subtree);
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}
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}
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