608 lines
16 KiB
C
608 lines
16 KiB
C
/* proto_draw.c
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* Routines for GTK+ packet display
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*
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* $Id: proto_draw.c,v 1.22 2000/10/20 04:26:40 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 "main.h"
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#include "packet.h"
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#include "util.h"
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#include "colors.h"
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#include "prefs.h"
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#include "proto_draw.h"
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#include "packet_win.h"
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#include "gtkglobals.h"
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#define BYTE_VIEW_WIDTH 16
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#define BYTE_VIEW_SEP 8
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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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/* Redraw a given byte view window. */
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void
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redraw_hex_dump(GtkWidget *bv, guint8 *pd, frame_data *fd, field_info *finfo)
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{
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packet_hex_print(GTK_TEXT(bv), pd, fd, finfo);
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}
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void
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redraw_hex_dump_all(void)
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{
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if (cfile.current_frame != NULL)
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redraw_hex_dump(byte_view, cfile.pd, cfile.current_frame, finfo_selected);
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redraw_hex_dump_packet_wins();
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}
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void
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create_byte_view(gint bv_size, GtkWidget *pane, GtkWidget **byte_view_p,
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GtkWidget **bv_scrollw_p, int pos)
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{
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GtkWidget *byte_view, *byte_scrollw;
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/* Byte view. Create a scrolled window for the text. */
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byte_scrollw = gtk_scrolled_window_new(NULL, NULL);
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gtk_paned_pack2(GTK_PANED(pane), byte_scrollw, FALSE, FALSE);
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gtk_widget_set_usize(byte_scrollw, -1, bv_size);
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gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(byte_scrollw),
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GTK_POLICY_NEVER,
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GTK_POLICY_ALWAYS);
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set_scrollbar_placement_scrollw(byte_scrollw, pos);
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remember_scrolled_window(byte_scrollw);
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gtk_widget_show(byte_scrollw);
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byte_view = gtk_text_new(NULL, NULL);
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gtk_text_set_editable(GTK_TEXT(byte_view), FALSE);
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gtk_text_set_word_wrap(GTK_TEXT(byte_view), FALSE);
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gtk_container_add(GTK_CONTAINER(byte_scrollw), byte_view);
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gtk_widget_show(byte_view);
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*byte_view_p = byte_view;
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*bv_scrollw_p = byte_scrollw;
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}
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void
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packet_hex_print(GtkText *bv, guint8 *pd, frame_data *fd, field_info *finfo)
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{
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gint i = 0, j, k, cur;
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guchar line[128], hexchars[] = "0123456789abcdef", c = '\0';
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GdkFont *cur_font, *new_font;
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gint bstart, blen;
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gint bend = -1;
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GdkColor *fg, *bg;
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gboolean reverse, newreverse;
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if (finfo != NULL) {
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bstart = finfo->start;
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blen = finfo->length;
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} else {
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bstart = -1;
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blen = -1;
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}
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/* Freeze the text for faster display */
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gtk_text_freeze(bv);
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/* Clear out the text */
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gtk_text_set_point(bv, 0);
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/* Keep GTK+ 1.2.3 through 1.2.6 from dumping core - see
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http://ethereal.zing.org/lists/ethereal-dev/199912/msg00312.html and
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http://www.gnome.org/mailing-lists/archives/gtk-devel-list/1999-October/0051.shtml
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for more information */
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gtk_adjustment_set_value(bv->vadj, 0.0);
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gtk_text_forward_delete(bv, gtk_text_get_length(bv));
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if (bstart >= 0 && blen >= 0) {
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bend = bstart + blen;
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}
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while (i < fd->cap_len) {
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/* Print the line number */
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sprintf(line, "%04x ", i);
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/* Display with inverse video ? */
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if (prefs.gui_hex_dump_highlight_style) {
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gtk_text_insert(bv, m_r_font, &BLACK, &WHITE, line, -1);
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/* Do we start in reverse? */
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reverse = i >= bstart && i < bend;
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fg = reverse ? &WHITE : &BLACK;
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bg = reverse ? &BLACK : &WHITE;
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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 < fd->cap_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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i++;
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newreverse = i >= bstart && i < bend;
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/* Have we gone from reverse to plain? */
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if (reverse && (reverse != newreverse)) {
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gtk_text_insert(bv, m_r_font, fg, bg, line, cur);
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fg = &BLACK;
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bg = &WHITE;
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cur = 0;
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}
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/* Inter byte space if not at end of line */
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if (i < k) {
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line[cur++] = ' ';
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/* insert a space every BYTE_VIEW_SEP bytes */
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if( ( i % BYTE_VIEW_SEP ) == 0 ) {
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line[cur++] = ' ';
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}
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}
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/* Have we gone from plain to reversed? */
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if (!reverse && (reverse != newreverse)) {
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gtk_text_insert(bv, m_r_font, fg, bg, line, cur);
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fg = &WHITE;
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bg = &BLACK;
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cur = 0;
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}
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reverse = newreverse;
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}
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/* Print remaining part of line */
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gtk_text_insert(bv, m_r_font, fg, bg, line, cur);
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cur = 0;
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/* Print some space at the end of the line */
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line[cur++] = ' '; line[cur++] = ' '; line[cur++] = ' ';
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gtk_text_insert(bv, m_r_font, &BLACK, &WHITE, line, cur);
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cur = 0;
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/* Print the ASCII bit */
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i = j;
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/* Do we start in reverse? */
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reverse = i >= bstart && i < bend;
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fg = reverse ? &WHITE : &BLACK;
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bg = reverse ? &BLACK : &WHITE;
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while (i < k) {
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if (i < fd->cap_len) {
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if (fd->flags.encoding == CHAR_ASCII) {
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c = pd[i];
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}
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else if (fd->flags.encoding == CHAR_EBCDIC) {
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c = EBCDIC_to_ASCII1(pd[i]);
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}
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else {
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g_assert_not_reached();
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}
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line[cur++] = (isprint(c)) ? c : '.';
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} else {
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line[cur++] = ' ';
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}
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i++;
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newreverse = i >= bstart && i < bend;
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/* Have we gone from reverse to plain? */
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if (reverse && (reverse != newreverse)) {
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gtk_text_insert(bv, m_r_font, fg, bg, line, cur);
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fg = &BLACK;
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bg = &WHITE;
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cur = 0;
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}
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if (i < k) {
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/* insert a space every BYTE_VIEW_SEP bytes */
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if( ( i % BYTE_VIEW_SEP ) == 0 ) {
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line[cur++] = ' ';
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}
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}
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/* Have we gone from plain to reversed? */
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if (!reverse && (reverse != newreverse)) {
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gtk_text_insert(bv, m_r_font, fg, bg, line, cur);
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fg = &WHITE;
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bg = &BLACK;
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cur = 0;
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}
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reverse = newreverse;
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}
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/* Print remaining part of line */
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gtk_text_insert(bv, m_r_font, fg, bg, line, cur);
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cur = 0;
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line[cur++] = '\n';
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line[cur] = '\0';
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gtk_text_insert(bv, m_r_font, &BLACK, &WHITE, line, -1);
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}
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else {
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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 < bend) ? 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 < fd->cap_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 < bend) ? 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 < bend) ? m_b_font : m_r_font;
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while (i < k) {
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if (i < fd->cap_len) {
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if (fd->flags.encoding == CHAR_ASCII) {
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c = pd[i];
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}
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else if (fd->flags.encoding == CHAR_EBCDIC) {
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c = EBCDIC_to_ASCII1(pd[i]);
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}
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else {
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g_assert_not_reached();
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}
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line[cur++] = (isprint(c)) ? c : '.';
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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 < bend) ? 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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/* scroll text into position */
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gtk_text_thaw(bv); /* must thaw before adjusting scroll bars */
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if ( bstart > 0 ) {
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int lineheight, linenum;
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float scrollval;
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linenum = bstart / BYTE_VIEW_WIDTH;
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/* need to change to some way of getting that offset instead of +4 */
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lineheight = gdk_string_height(m_b_font, "0") + 4;
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scrollval = MIN(linenum * lineheight,bv->vadj->upper - bv->vadj->page_size);
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gtk_adjustment_set_value(bv->vadj, scrollval);
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}
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}
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/* List of all protocol tree widgets, so we can globally set the selection
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mode, line style, expander style, and font of all of them. */
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static GList *ptree_widgets;
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/* Add a protocol tree widget to the list of protocol tree widgets. */
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static void forget_ptree_widget(GtkWidget *ptreew, gpointer data);
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static void
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remember_ptree_widget(GtkWidget *ptreew)
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{
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ptree_widgets = g_list_append(ptree_widgets, ptreew);
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/* Catch the "destroy" event on the widget, so that we remove it from
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the list when it's destroyed. */
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gtk_signal_connect(GTK_OBJECT(ptreew), "destroy",
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GTK_SIGNAL_FUNC(forget_ptree_widget), NULL);
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}
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/* Remove a protocol tree widget from the list of protocol tree widgets. */
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static void
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forget_ptree_widget(GtkWidget *ptreew, gpointer data)
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{
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ptree_widgets = g_list_remove(ptree_widgets, ptreew);
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}
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/* Set the selection mode of a given packet tree window. */
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static void
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set_ptree_sel_browse(GtkWidget *ptreew, gboolean val)
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{
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/* Yeah, GTK uses "browse" in the case where we do not, but oh well.
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I think "browse" in Ethereal makes more sense than "SINGLE" in
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GTK+ */
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if (val) {
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gtk_clist_set_selection_mode(GTK_CLIST(ptreew),
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GTK_SELECTION_SINGLE);
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}
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else {
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gtk_clist_set_selection_mode(GTK_CLIST(ptreew),
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GTK_SELECTION_BROWSE);
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}
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}
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static void
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set_ptree_sel_browse_cb(gpointer data, gpointer user_data)
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{
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set_ptree_sel_browse((GtkWidget *)data, *(gboolean *)user_data);
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}
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/* Set the selection mode of all packet tree windows. */
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void
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set_ptree_sel_browse_all(gboolean val)
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{
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g_list_foreach(ptree_widgets, set_ptree_sel_browse_cb, &val);
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}
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/* Set the line style of a given packet tree window. */
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static void
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set_ptree_line_style(GtkWidget *ptreew, gint style)
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{
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/* I'm using an assert here since the preferences code limits
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* the user input, both in the GUI and when reading the preferences file.
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* If the value is incorrect, it's a program error, not a user-initiated error.
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*/
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g_assert(style >= GTK_CTREE_LINES_NONE && style <= GTK_CTREE_LINES_TABBED);
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gtk_ctree_set_line_style(GTK_CTREE(ptreew), style);
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}
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static void
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set_ptree_line_style_cb(gpointer data, gpointer user_data)
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{
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set_ptree_line_style((GtkWidget *)data, *(gint *)user_data);
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}
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/* Set the line style of all packet tree window. */
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void
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set_ptree_line_style_all(gint style)
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{
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g_list_foreach(ptree_widgets, set_ptree_line_style_cb, &style);
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}
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/* Set the expander style of a given packet tree window. */
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static void
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set_ptree_expander_style(GtkWidget *ptreew, gint style)
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{
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/* I'm using an assert here since the preferences code limits
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* the user input, both in the GUI and when reading the preferences file.
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* If the value is incorrect, it's a program error, not a user-initiated error.
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*/
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g_assert(style >= GTK_CTREE_EXPANDER_NONE && style <= GTK_CTREE_EXPANDER_CIRCULAR);
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gtk_ctree_set_expander_style(GTK_CTREE(ptreew), style);
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}
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static void
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set_ptree_expander_style_cb(gpointer data, gpointer user_data)
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{
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set_ptree_expander_style((GtkWidget *)data, *(gint *)user_data);
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}
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void
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set_ptree_expander_style_all(gint style)
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{
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g_list_foreach(ptree_widgets, set_ptree_expander_style_cb, &style);
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}
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static void
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set_ptree_style_cb(gpointer data, gpointer user_data)
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{
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gtk_widget_set_style((GtkWidget *)data, (GtkStyle *)user_data);
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}
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void
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set_ptree_font_all(GdkFont *font)
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{
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GtkStyle *style;
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style = gtk_style_new();
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gdk_font_unref(style->font);
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style->font = font;
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gdk_font_ref(font);
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g_list_foreach(ptree_widgets, set_ptree_style_cb, style);
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/* Now nuke the old style and replace it with the new one. */
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gtk_style_unref(item_style);
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item_style = style;
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}
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void
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create_tree_view(gint tv_size, e_prefs *prefs, GtkWidget *pane,
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GtkWidget **tv_scrollw_p, GtkWidget **tree_view_p, int pos)
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{
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GtkWidget *tv_scrollw, *tree_view;
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/* Tree view */
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tv_scrollw = gtk_scrolled_window_new(NULL, NULL);
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gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW(tv_scrollw),
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GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
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set_scrollbar_placement_scrollw(tv_scrollw, pos);
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remember_scrolled_window(tv_scrollw);
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gtk_paned_pack1(GTK_PANED(pane), tv_scrollw, TRUE, TRUE);
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gtk_widget_set_usize(tv_scrollw, -1, tv_size);
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gtk_widget_show(tv_scrollw);
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tree_view = gtk_ctree_new(1, 0);
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/* I need this next line to make the widget work correctly with hidden
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* column titles and GTK_SELECTION_BROWSE */
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gtk_clist_set_column_auto_resize( GTK_CLIST(tree_view), 0, TRUE );
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gtk_container_add( GTK_CONTAINER(tv_scrollw), tree_view );
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set_ptree_sel_browse(tree_view, prefs->gui_ptree_sel_browse);
|
|
set_ptree_line_style(tree_view, prefs->gui_ptree_line_style);
|
|
set_ptree_expander_style(tree_view, prefs->gui_ptree_expander_style);
|
|
gtk_widget_set_style(tree_view, item_style);
|
|
remember_ptree_widget(tree_view);
|
|
|
|
*tree_view_p = tree_view;
|
|
*tv_scrollw_p = tv_scrollw;
|
|
}
|
|
|
|
void expand_all_tree(proto_tree *protocol_tree, GtkWidget *tree_view) {
|
|
int i;
|
|
for(i=0; i < num_tree_types; i++) {
|
|
tree_is_expanded[i] = TRUE;
|
|
}
|
|
gtk_clist_clear ( GTK_CLIST(tree_view) );
|
|
proto_tree_draw(protocol_tree, tree_view);
|
|
gtk_ctree_expand_recursive(GTK_CTREE(tree_view), NULL);
|
|
}
|
|
|
|
void collapse_all_tree(proto_tree *protocol_tree, GtkWidget *tree_view) {
|
|
int i;
|
|
for(i=0; i < num_tree_types; i++) {
|
|
tree_is_expanded[i] = FALSE;
|
|
}
|
|
gtk_clist_clear ( GTK_CLIST(tree_view) );
|
|
proto_tree_draw(protocol_tree, tree_view);
|
|
}
|
|
|
|
static void
|
|
expand_tree(GtkCTree *ctree, GList *node, gpointer user_data)
|
|
{
|
|
field_info *finfo;
|
|
gboolean *val;
|
|
|
|
finfo = gtk_ctree_node_get_row_data( ctree, GTK_CTREE_NODE(node) );
|
|
g_assert(finfo);
|
|
|
|
val = &tree_is_expanded[finfo->tree_type];
|
|
*val = TRUE;
|
|
}
|
|
|
|
static void
|
|
collapse_tree(GtkCTree *ctree, GList *node, gpointer user_data)
|
|
{
|
|
field_info *finfo;
|
|
gboolean *val;
|
|
|
|
finfo = gtk_ctree_node_get_row_data( ctree, GTK_CTREE_NODE(node) );
|
|
g_assert(finfo);
|
|
|
|
val = &tree_is_expanded[finfo->tree_type];
|
|
*val = FALSE;
|
|
}
|
|
|
|
struct proto_tree_draw_info {
|
|
GtkCTree *ctree;
|
|
GtkCTreeNode *ctree_node;
|
|
};
|
|
|
|
void
|
|
proto_tree_draw(proto_tree *protocol_tree, GtkWidget *tree_view)
|
|
{
|
|
struct proto_tree_draw_info info;
|
|
|
|
info.ctree = GTK_CTREE(tree_view);
|
|
info.ctree_node = NULL;
|
|
|
|
gtk_clist_freeze ( GTK_CLIST(tree_view) );
|
|
|
|
g_node_children_foreach((GNode*) protocol_tree, G_TRAVERSE_ALL,
|
|
proto_tree_draw_node, &info);
|
|
|
|
gtk_signal_connect( GTK_OBJECT(info.ctree), "tree-expand",
|
|
(GtkSignalFunc) expand_tree, NULL );
|
|
gtk_signal_connect( GTK_OBJECT(info.ctree), "tree-collapse",
|
|
(GtkSignalFunc) collapse_tree, NULL );
|
|
|
|
gtk_clist_thaw ( GTK_CLIST(tree_view) );
|
|
}
|
|
|
|
static void
|
|
proto_tree_draw_node(GNode *node, gpointer data)
|
|
{
|
|
struct proto_tree_draw_info info;
|
|
struct proto_tree_draw_info *parent_info = (struct proto_tree_draw_info*) data;
|
|
|
|
field_info *fi = (field_info*) (node->data);
|
|
gchar label_str[ITEM_LABEL_LENGTH];
|
|
gchar *label_ptr;
|
|
GtkCTreeNode *parent;
|
|
gboolean is_leaf, is_expanded;
|
|
|
|
if (!fi->visible)
|
|
return;
|
|
|
|
/* was a free format label produced? */
|
|
if (fi->representation) {
|
|
label_ptr = fi->representation;
|
|
}
|
|
else { /* no, make a generic label */
|
|
label_ptr = label_str;
|
|
proto_item_fill_label(fi, label_str);
|
|
}
|
|
|
|
if (g_node_n_children(node) > 0) {
|
|
is_leaf = FALSE;
|
|
if (tree_is_expanded[fi->tree_type]) {
|
|
is_expanded = TRUE;
|
|
}
|
|
else {
|
|
is_expanded = FALSE;
|
|
}
|
|
}
|
|
else {
|
|
is_leaf = TRUE;
|
|
is_expanded = FALSE;
|
|
}
|
|
|
|
info.ctree = parent_info->ctree;
|
|
parent = gtk_ctree_insert_node ( info.ctree, parent_info->ctree_node, NULL,
|
|
&label_ptr, 5, NULL, NULL, NULL, NULL,
|
|
is_leaf, is_expanded );
|
|
|
|
gtk_ctree_node_set_row_data( GTK_CTREE(info.ctree), parent, fi );
|
|
|
|
if (!is_leaf) {
|
|
info.ctree_node = parent;
|
|
g_node_children_foreach(node, G_TRAVERSE_ALL,
|
|
proto_tree_draw_node, &info);
|
|
}
|
|
}
|