forked from osmocom/wireshark
![Guy Harris](/assets/img/avatar_default.png)
"data source" has a name and a top-level tvbuff, and frames can have a list of data sources associated with them. Use the tvbuff pointer to determine which data source is the data source for a given field; this means we don't have to worry about multiple data sources with the same name - the only thing the name does is label the notebook tab for the display of the data source, and label the hex dump of the data source in print/Tethereal output. Clean up a bunch of things discovered in the process of doing the above. svn path=/trunk/; revision=4749
953 lines
26 KiB
C
953 lines
26 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 1.46 2002/02/18 01:08:44 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* Jeff Foster, 2001/03/12, added support for displaying named
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* data sources as tabbed hex windows
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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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#include <gdk/gdkkeysyms.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 <string.h>
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#include "main.h"
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#include <epan/packet.h>
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#include "util.h"
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#include "menu.h"
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#include "keys.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 "ui_util.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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#define E_BYTE_VIEW_TREE_PTR "byte_view_tree_ptr"
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#define E_BYTE_VIEW_TREE_VIEW_PTR "byte_view_tree_view_ptr"
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#define E_BYTE_VIEW_TVBUFF_KEY "byte_view_tvbuff"
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#define E_BYTE_VIEW_START_KEY "byte_view_start"
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#define E_BYTE_VIEW_END_KEY "byte_view_end"
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#define E_BYTE_VIEW_ENCODE_KEY "byte_view_encode"
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static GtkWidget *
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add_byte_tab(GtkWidget *byte_nb, const char *name, tvbuff_t *tvb,
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proto_tree *tree, GtkWidget *tree_view);
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static void
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proto_tree_draw_node(GNode *node, gpointer data);
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/* Get the current text window for the notebook. */
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GtkWidget *
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get_notebook_bv_ptr(GtkWidget *nb_ptr)
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{
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int num;
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GtkWidget *bv_page, *bv;
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num = gtk_notebook_get_current_page(GTK_NOTEBOOK(nb_ptr));
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bv_page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(nb_ptr), num);
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return GTK_BIN(bv_page)->child;
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}
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/*
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* Get the data and length for a byte view, given the byte view page.
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* Return the pointer, or NULL on error, and set "*data_len" to the length.
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*/
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const guint8 *
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get_byte_view_data_and_length(GtkWidget *byte_view, guint *data_len)
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{
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tvbuff_t *byte_view_tvb;
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const guint8 *data_ptr;
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byte_view_tvb = gtk_object_get_data(GTK_OBJECT(byte_view),
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E_BYTE_VIEW_TVBUFF_KEY);
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if (byte_view_tvb == NULL)
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return NULL;
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data_ptr = tvb_get_ptr(byte_view_tvb, 0, -1);
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*data_len = tvb_length(byte_view_tvb);
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return data_ptr;
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}
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/*
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* Set the current text window for the notebook to the window that
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* refers to a particular tvbuff.
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*/
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void
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set_notebook_page(GtkWidget *nb_ptr, tvbuff_t *tvb)
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{
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int num;
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GtkWidget *bv_page, *bv;
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tvbuff_t *bv_tvb;
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for (num = 0;
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(bv_page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(nb_ptr), num)) != NULL;
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num++) {
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bv = GTK_BIN(bv_page)->child;
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bv_tvb = gtk_object_get_data(GTK_OBJECT(bv), E_BYTE_VIEW_TVBUFF_KEY);
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if (bv_tvb == tvb) {
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/* Found it. */
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gtk_notebook_set_page(GTK_NOTEBOOK(nb_ptr), num);
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break;
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}
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}
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}
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/* Redraw a given byte view window. */
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void
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redraw_hex_dump(GtkWidget *nb, frame_data *fd, field_info *finfo)
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{
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GtkWidget *bv;
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const guint8 *data;
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guint len;
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bv = get_notebook_bv_ptr(byte_nb_ptr);
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if (bv != NULL) {
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data = get_byte_view_data_and_length(bv, &len);
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if (data != NULL)
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packet_hex_print(GTK_TEXT(bv), data, fd, finfo, len);
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}
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}
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/* Redraw all byte view windows. */
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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_nb_ptr, cfile.current_frame, finfo_selected);
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redraw_hex_dump_packet_wins();
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}
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static void
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expand_tree(GtkCTree *ctree, GtkCTreeNode *node, gpointer user_data)
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{
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field_info *finfo;
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gboolean *val;
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finfo = gtk_ctree_node_get_row_data( ctree, node);
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g_assert(finfo);
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val = &tree_is_expanded[finfo->tree_type];
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*val = TRUE;
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}
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static void
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collapse_tree(GtkCTree *ctree, GtkCTreeNode *node, gpointer user_data)
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{
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field_info *finfo;
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gboolean *val;
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finfo = gtk_ctree_node_get_row_data( ctree, node);
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g_assert(finfo);
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val = &tree_is_expanded[finfo->tree_type];
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*val = FALSE;
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}
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static void
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toggle_tree(GtkCTree *ctree, GdkEventKey *event, gpointer user_data)
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{
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if (event->keyval != GDK_Return)
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return;
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gtk_ctree_toggle_expansion(ctree, GTK_CTREE_NODE(ctree->clist.selection->data));
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}
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/* Which byte the offset is referring to. Associates
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* whitespace with the preceding digits. */
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static int
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byte_num(int offset, int start_point)
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{
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return (offset - start_point) / 3;
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}
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/* If the user selected a certain byte in the byte view, try to find
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* the item in the GUI proto_tree that corresponds to that byte, and
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* select it. */
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static gint
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byte_view_select(GtkWidget *widget, GdkEventButton *event, gpointer data)
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{
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proto_tree *tree;
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GtkCTree *ctree;
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GtkCTreeNode *node, *parent;
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field_info *finfo;
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GtkText *bv = GTK_TEXT(widget);
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int row, column;
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int byte;
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tvbuff_t *tvb;
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/* The column of the first hex digit in the first half */
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const int digits_start_1 = 6;
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/* The column of the last hex digit in the first half. */
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const int digits_end_1 = 28;
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/* The column of the first hex digit in the second half */
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const int digits_start_2 = 31;
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/* The column of the last hex digit in the second half. */
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const int digits_end_2 = 53;
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/* The column of the first "text dump" character in first half. */
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const int text_start_1 = 57;
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/* The column of the last "text dump" character in first half. */
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const int text_end_1 = 64;
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/* The column of the first "text dump" character in second half. */
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const int text_start_2 = 66;
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/* The column of the last "text dump" character in second half. */
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const int text_end_2 = 73;
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tree = gtk_object_get_data(GTK_OBJECT(widget), E_BYTE_VIEW_TREE_PTR);
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if (tree == NULL) {
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/*
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* Somebody clicked on the dummy byte view; do nothing.
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*/
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return FALSE;
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}
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ctree = GTK_CTREE(gtk_object_get_data(GTK_OBJECT(widget),
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E_BYTE_VIEW_TREE_VIEW_PTR));
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/* Given the mouse (x,y) and the current GtkText (h,v)
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* adjustments, and the size of the font, figure out
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* which text column/row the user selected. This could be off
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* if the bold version of the font is bigger than the
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* regular version of the font. */
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column = (bv->hadj->value + event->x) / m_font_width;
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row = (bv->vadj->value + event->y) / m_font_height;
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/* Given the column and row, determine which byte offset
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* the user clicked on. */
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if (column >= digits_start_1 && column <= digits_end_1) {
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byte = byte_num(column, digits_start_1);
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if (byte == -1) {
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return FALSE;
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}
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}
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else if (column >= digits_start_2 && column <= digits_end_2) {
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byte = byte_num(column, digits_start_2);
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if (byte == -1) {
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return FALSE;
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}
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byte += 8;
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}
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else if (column >= text_start_1 && column <= text_end_1) {
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byte = column - text_start_1;
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}
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else if (column >= text_start_2 && column <= text_end_2) {
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byte = 8 + column - text_start_2;
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}
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else {
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/* The user didn't select a hex digit or
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* text-dump character. */
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return FALSE;
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}
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/* Add the number of bytes from the previous rows. */
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byte += row * 16;
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/* Get the data source tvbuff */
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tvb = gtk_object_get_data(GTK_OBJECT(widget), E_BYTE_VIEW_TVBUFF_KEY);
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/* Find the finfo that corresponds to our byte. */
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finfo = proto_find_field_from_offset(tree, byte, tvb);
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if (!finfo) {
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return FALSE;
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}
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node = gtk_ctree_find_by_row_data(ctree, NULL, finfo);
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g_assert(node);
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/* Expand and select our field's row */
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gtk_ctree_expand(ctree, node);
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gtk_ctree_select(ctree, node);
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expand_tree(ctree, node, NULL);
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/* ... and its parents */
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parent = GTK_CTREE_ROW(node)->parent;
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while (parent) {
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gtk_ctree_expand(ctree, parent);
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expand_tree(ctree, parent, NULL);
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parent = GTK_CTREE_ROW(parent)->parent;
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}
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/* And position the window so the selection is visible.
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* Position the selection in the middle of the viewable
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* pane. */
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gtk_ctree_node_moveto(ctree, node, 0, .5, 0);
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return FALSE;
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}
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/* Calls functions for different mouse-button presses. */
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static gint
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byte_view_button_press_cb(GtkWidget *widget, GdkEvent *event, gpointer data)
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{
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GdkEventButton *event_button = NULL;
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if(widget == NULL || event == NULL || data == NULL) {
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return FALSE;
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}
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if(event->type == GDK_BUTTON_PRESS) {
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event_button = (GdkEventButton *) event;
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switch(event_button->button) {
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case 1:
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return byte_view_select(widget, event_button, data);
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case 3:
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return popup_menu_handler(widget, event, data);
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default:
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return FALSE;
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}
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}
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return FALSE;
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}
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GtkWidget *
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create_byte_view(gint bv_size, GtkWidget *pane, int pos)
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{
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GtkWidget *byte_nb;
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byte_nb = gtk_notebook_new();
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gtk_notebook_set_tab_pos(GTK_NOTEBOOK(byte_nb), GTK_POS_BOTTOM);
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gtk_paned_pack2(GTK_PANED(pane), byte_nb, FALSE, FALSE);
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gtk_widget_show(byte_nb);
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/* Add a placeholder byte view so that there's at least something
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displayed in the byte view notebook. */
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add_byte_tab(byte_nb, "", NULL, NULL, NULL);
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return byte_nb;
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}
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static void
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byte_view_realize_cb(GtkWidget *bv, gpointer data)
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{
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const guint8 *byte_data;
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guint byte_len;
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byte_data = get_byte_view_data_and_length(bv, &byte_len);
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if (byte_data == NULL) {
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/* This must be the dummy byte view if no packet is selected. */
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return;
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}
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packet_hex_print(GTK_TEXT(bv), byte_data, cfile.current_frame, NULL, byte_len);
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}
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static GtkWidget *
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add_byte_tab(GtkWidget *byte_nb, const char *name, tvbuff_t *tvb,
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proto_tree *tree, GtkWidget *tree_view)
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{
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GtkWidget *byte_view, *byte_scrollw, *label;
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/* Byte view. Create a scrolled window for the text. */
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byte_scrollw = scrolled_window_new(NULL, NULL);
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/* Add scrolled pane to tabbed window */
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label = gtk_label_new(name);
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gtk_notebook_append_page(GTK_NOTEBOOK(byte_nb), byte_scrollw, label);
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/* The horizontal scrollbar of the scroll-window doesn't seem
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* to affect the GtkText widget at all, even when line wrapping
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* is turned off in the GtkText widget and there is indeed more
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* horizontal data. */
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gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(byte_scrollw),
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/* Horizontal */GTK_POLICY_NEVER,
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/* Vertical*/ GTK_POLICY_ALWAYS);
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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_text_set_line_wrap(GTK_TEXT(byte_view), FALSE);
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gtk_object_set_data(GTK_OBJECT(byte_view), E_BYTE_VIEW_TVBUFF_KEY,
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(gpointer)tvb);
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gtk_container_add(GTK_CONTAINER(byte_scrollw), byte_view);
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gtk_signal_connect(GTK_OBJECT(byte_view), "show",
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GTK_SIGNAL_FUNC(byte_view_realize_cb), NULL);
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gtk_signal_connect(GTK_OBJECT(byte_view), "button_press_event",
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GTK_SIGNAL_FUNC(byte_view_button_press_cb),
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gtk_object_get_data(GTK_OBJECT(popup_menu_object),
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PM_HEXDUMP_KEY));
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gtk_object_set_data(GTK_OBJECT(byte_view), E_BYTE_VIEW_TREE_PTR,
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tree);
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gtk_object_set_data(GTK_OBJECT(byte_view), E_BYTE_VIEW_TREE_VIEW_PTR,
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tree_view);
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gtk_widget_show(byte_view);
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/* no tabs if this is the first page */
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if (!(gtk_notebook_page_num(GTK_NOTEBOOK(byte_nb), byte_scrollw)))
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gtk_notebook_set_show_tabs(GTK_NOTEBOOK(byte_nb), FALSE);
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else
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gtk_notebook_set_show_tabs(GTK_NOTEBOOK(byte_nb), TRUE);
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return byte_view;
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}
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void
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add_byte_views(frame_data *frame, proto_tree *tree, GtkWidget *tree_view,
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GtkWidget *byte_nb_ptr)
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{
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GSList *src_le;
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data_source *src;
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/*
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* Get rid of all the old notebook tabs.
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*/
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while (gtk_notebook_get_nth_page(GTK_NOTEBOOK(byte_nb_ptr), 0) != NULL)
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gtk_notebook_remove_page(GTK_NOTEBOOK(byte_nb_ptr), 0);
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/*
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* Add to the specified byte view notebook tabs for hex dumps
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* of all the data sources for the specified frame.
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*/
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for (src_le = frame->data_src; src_le != NULL; src_le = src_le->next) {
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src = src_le->data;
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add_byte_tab(byte_nb_ptr, src->name, src->tvb, tree,
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tree_view);
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}
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/*
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* Initially select the first byte view.
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*/
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gtk_notebook_set_page(GTK_NOTEBOOK(byte_nb_ptr), 0);
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}
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static void
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packet_hex_print_common(GtkText *bv, const guint8 *pd, int len, int bstart,
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int bend, int encoding)
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{
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int 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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GdkColor *fg, *bg;
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gboolean reverse, newreverse;
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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://www.ethereal.com/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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while (i < len) {
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/* Print the line number */
|
|
sprintf(line, "%04x ", i);
|
|
|
|
/* Display with inverse video ? */
|
|
if (prefs.gui_hex_dump_highlight_style) {
|
|
gtk_text_insert(bv, m_r_font, &BLACK, &WHITE, line, -1);
|
|
/* Do we start in reverse? */
|
|
reverse = i >= bstart && i < bend;
|
|
fg = reverse ? &WHITE : &BLACK;
|
|
bg = reverse ? &BLACK : &WHITE;
|
|
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++] = ' ';
|
|
}
|
|
i++;
|
|
newreverse = i >= bstart && i < bend;
|
|
/* Have we gone from reverse to plain? */
|
|
if (reverse && (reverse != newreverse)) {
|
|
gtk_text_insert(bv, m_r_font, fg, bg, line, cur);
|
|
fg = &BLACK;
|
|
bg = &WHITE;
|
|
cur = 0;
|
|
}
|
|
/* Inter byte space if not at end of line */
|
|
if (i < k) {
|
|
line[cur++] = ' ';
|
|
/* insert a space every BYTE_VIEW_SEP bytes */
|
|
if( ( i % BYTE_VIEW_SEP ) == 0 ) {
|
|
line[cur++] = ' ';
|
|
}
|
|
}
|
|
/* Have we gone from plain to reversed? */
|
|
if (!reverse && (reverse != newreverse)) {
|
|
gtk_text_insert(bv, m_r_font, fg, bg, line, cur);
|
|
fg = &WHITE;
|
|
bg = &BLACK;
|
|
cur = 0;
|
|
}
|
|
reverse = newreverse;
|
|
}
|
|
/* Print remaining part of line */
|
|
gtk_text_insert(bv, m_r_font, fg, bg, line, cur);
|
|
cur = 0;
|
|
/* Print some space at the end of the line */
|
|
line[cur++] = ' '; line[cur++] = ' '; line[cur++] = ' ';
|
|
gtk_text_insert(bv, m_r_font, &BLACK, &WHITE, line, cur);
|
|
cur = 0;
|
|
|
|
/* Print the ASCII bit */
|
|
i = j;
|
|
/* Do we start in reverse? */
|
|
reverse = i >= bstart && i < bend;
|
|
fg = reverse ? &WHITE : &BLACK;
|
|
bg = reverse ? &BLACK : &WHITE;
|
|
while (i < k) {
|
|
if (i < len) {
|
|
if (encoding == CHAR_ASCII) {
|
|
c = pd[i];
|
|
}
|
|
else if (encoding == CHAR_EBCDIC) {
|
|
c = EBCDIC_to_ASCII1(pd[i]);
|
|
}
|
|
else {
|
|
g_assert_not_reached();
|
|
}
|
|
line[cur++] = isprint(c) ? c : '.';
|
|
} else {
|
|
line[cur++] = ' ';
|
|
}
|
|
i++;
|
|
newreverse = i >= bstart && i < bend;
|
|
/* Have we gone from reverse to plain? */
|
|
if (reverse && (reverse != newreverse)) {
|
|
gtk_text_insert(bv, m_r_font, fg, bg, line, cur);
|
|
fg = &BLACK;
|
|
bg = &WHITE;
|
|
cur = 0;
|
|
}
|
|
if (i < k) {
|
|
/* insert a space every BYTE_VIEW_SEP bytes */
|
|
if( ( i % BYTE_VIEW_SEP ) == 0 ) {
|
|
line[cur++] = ' ';
|
|
}
|
|
}
|
|
/* Have we gone from plain to reversed? */
|
|
if (!reverse && (reverse != newreverse)) {
|
|
gtk_text_insert(bv, m_r_font, fg, bg, line, cur);
|
|
fg = &WHITE;
|
|
bg = &BLACK;
|
|
cur = 0;
|
|
}
|
|
reverse = newreverse;
|
|
}
|
|
/* Print remaining part of line */
|
|
gtk_text_insert(bv, m_r_font, fg, bg, line, cur);
|
|
cur = 0;
|
|
line[cur++] = '\n';
|
|
line[cur] = '\0';
|
|
gtk_text_insert(bv, m_r_font, &BLACK, &WHITE, line, -1);
|
|
}
|
|
else {
|
|
gtk_text_insert(bv, m_r_font, NULL, NULL, line, -1);
|
|
/* Do we start in bold? */
|
|
cur_font = (i >= bstart && i < bend) ? 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 < bend) ? 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 < bend) ? m_b_font : m_r_font;
|
|
while (i < k) {
|
|
if (i < len) {
|
|
if (encoding == CHAR_ASCII) {
|
|
c = pd[i];
|
|
}
|
|
else if (encoding == CHAR_EBCDIC) {
|
|
c = EBCDIC_to_ASCII1(pd[i]);
|
|
}
|
|
else {
|
|
g_assert_not_reached();
|
|
}
|
|
line[cur++] = isprint(c) ? c : '.';
|
|
} 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 < bend) ? 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);
|
|
}
|
|
}
|
|
|
|
/* scroll text into position */
|
|
gtk_text_thaw(bv); /* must thaw before adjusting scroll bars */
|
|
if ( bstart > 0 ) {
|
|
int linenum;
|
|
float scrollval;
|
|
|
|
linenum = bstart / BYTE_VIEW_WIDTH;
|
|
scrollval = MIN(linenum * m_font_height,
|
|
bv->vadj->upper - bv->vadj->page_size);
|
|
|
|
gtk_adjustment_set_value(bv->vadj, scrollval);
|
|
}
|
|
}
|
|
|
|
void
|
|
packet_hex_print(GtkText *bv, const guint8 *pd, frame_data *fd,
|
|
field_info *finfo, guint len)
|
|
{
|
|
/* do the initial printing and save the information needed */
|
|
/* to redraw the display if preferences change. */
|
|
|
|
int bstart, bend = -1, blen;
|
|
|
|
if (finfo != NULL) {
|
|
bstart = finfo->start;
|
|
blen = finfo->length;
|
|
} else {
|
|
bstart = -1;
|
|
blen = -1;
|
|
}
|
|
if (bstart >= 0 && blen >= 0) {
|
|
bend = bstart + blen;
|
|
}
|
|
|
|
/* save the information needed to redraw the text */
|
|
/* should we save the fd & finfo pointers instead ?? */
|
|
gtk_object_set_data(GTK_OBJECT(bv), E_BYTE_VIEW_START_KEY, GINT_TO_POINTER(bend));
|
|
gtk_object_set_data(GTK_OBJECT(bv), E_BYTE_VIEW_END_KEY, GINT_TO_POINTER(bstart));
|
|
gtk_object_set_data(GTK_OBJECT(bv), E_BYTE_VIEW_ENCODE_KEY, GINT_TO_POINTER(fd->flags.encoding));
|
|
|
|
packet_hex_print_common(bv, pd, len, bstart, bend, fd->flags.encoding);
|
|
|
|
}
|
|
|
|
/*
|
|
* Redraw the text using the saved information; usually called if
|
|
* the preferences have changed.
|
|
*/
|
|
void
|
|
packet_hex_reprint(GtkText *bv)
|
|
{
|
|
int start, end, encoding;
|
|
const guint8 *data;
|
|
guint len;
|
|
|
|
start = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(bv),
|
|
E_BYTE_VIEW_START_KEY));
|
|
end = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(bv),
|
|
E_BYTE_VIEW_END_KEY));
|
|
data = get_byte_view_data_and_length(GTK_WIDGET(bv), &len);
|
|
g_assert(data != NULL);
|
|
encoding = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(bv),
|
|
E_BYTE_VIEW_ENCODE_KEY));
|
|
|
|
packet_hex_print_common(bv, data, len, start, end, encoding);
|
|
}
|
|
|
|
/* List of all protocol tree widgets, so we can globally set the selection
|
|
mode and font of all of them. */
|
|
static GList *ptree_widgets;
|
|
|
|
/* Add a protocol tree widget to the list of protocol tree widgets. */
|
|
static void forget_ptree_widget(GtkWidget *ptreew, gpointer data);
|
|
|
|
static void
|
|
remember_ptree_widget(GtkWidget *ptreew)
|
|
{
|
|
ptree_widgets = g_list_append(ptree_widgets, ptreew);
|
|
|
|
/* Catch the "destroy" event on the widget, so that we remove it from
|
|
the list when it's destroyed. */
|
|
gtk_signal_connect(GTK_OBJECT(ptreew), "destroy",
|
|
GTK_SIGNAL_FUNC(forget_ptree_widget), NULL);
|
|
}
|
|
|
|
/* Remove a protocol tree widget from the list of protocol tree widgets. */
|
|
static void
|
|
forget_ptree_widget(GtkWidget *ptreew, gpointer data)
|
|
{
|
|
ptree_widgets = g_list_remove(ptree_widgets, ptreew);
|
|
}
|
|
|
|
/* Set the selection mode of a given packet tree window. */
|
|
static void
|
|
set_ptree_sel_browse(GtkWidget *ptreew, gboolean val)
|
|
{
|
|
/* Yeah, GTK uses "browse" in the case where we do not, but oh well.
|
|
I think "browse" in Ethereal makes more sense than "SINGLE" in
|
|
GTK+ */
|
|
if (val) {
|
|
gtk_clist_set_selection_mode(GTK_CLIST(ptreew),
|
|
GTK_SELECTION_SINGLE);
|
|
}
|
|
else {
|
|
gtk_clist_set_selection_mode(GTK_CLIST(ptreew),
|
|
GTK_SELECTION_BROWSE);
|
|
}
|
|
}
|
|
|
|
static void
|
|
set_ptree_sel_browse_cb(gpointer data, gpointer user_data)
|
|
{
|
|
set_ptree_sel_browse((GtkWidget *)data, *(gboolean *)user_data);
|
|
}
|
|
|
|
/* Set the selection mode of all packet tree windows. */
|
|
void
|
|
set_ptree_sel_browse_all(gboolean val)
|
|
{
|
|
g_list_foreach(ptree_widgets, set_ptree_sel_browse_cb, &val);
|
|
}
|
|
|
|
static void
|
|
set_ptree_style_cb(gpointer data, gpointer user_data)
|
|
{
|
|
gtk_widget_set_style((GtkWidget *)data, (GtkStyle *)user_data);
|
|
}
|
|
|
|
void
|
|
set_ptree_font_all(GdkFont *font)
|
|
{
|
|
GtkStyle *style;
|
|
|
|
style = gtk_style_new();
|
|
gdk_font_unref(style->font);
|
|
style->font = font;
|
|
gdk_font_ref(font);
|
|
|
|
g_list_foreach(ptree_widgets, set_ptree_style_cb, style);
|
|
|
|
/* Now nuke the old style and replace it with the new one. */
|
|
gtk_style_unref(item_style);
|
|
item_style = style;
|
|
}
|
|
|
|
void
|
|
create_tree_view(gint tv_size, e_prefs *prefs, GtkWidget *pane,
|
|
GtkWidget **tv_scrollw_p, GtkWidget **tree_view_p, int pos)
|
|
{
|
|
GtkWidget *tv_scrollw, *tree_view;
|
|
|
|
/* Tree view */
|
|
tv_scrollw = scrolled_window_new(NULL, NULL);
|
|
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW(tv_scrollw),
|
|
GTK_POLICY_ALWAYS, GTK_POLICY_ALWAYS);
|
|
gtk_paned_pack1(GTK_PANED(pane), tv_scrollw, TRUE, TRUE);
|
|
gtk_widget_set_usize(tv_scrollw, -1, tv_size);
|
|
gtk_widget_show(tv_scrollw);
|
|
|
|
tree_view = ctree_new(1, 0);
|
|
gtk_signal_connect( GTK_OBJECT(tree_view), "key-press-event",
|
|
(GtkSignalFunc) toggle_tree, NULL );
|
|
gtk_signal_connect( GTK_OBJECT(tree_view), "tree-expand",
|
|
(GtkSignalFunc) expand_tree, NULL );
|
|
gtk_signal_connect( GTK_OBJECT(tree_view), "tree-collapse",
|
|
(GtkSignalFunc) collapse_tree, NULL );
|
|
/* I need this next line to make the widget work correctly with hidden
|
|
* column titles and GTK_SELECTION_BROWSE */
|
|
gtk_clist_set_column_auto_resize( GTK_CLIST(tree_view), 0, TRUE );
|
|
gtk_container_add( GTK_CONTAINER(tv_scrollw), tree_view );
|
|
set_ptree_sel_browse(tree_view, prefs->gui_ptree_sel_browse);
|
|
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;
|
|
}
|
|
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;
|
|
}
|
|
proto_tree_draw(protocol_tree, tree_view);
|
|
}
|
|
|
|
|
|
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));
|
|
|
|
/*
|
|
* Clear out any crud left over in the display of the protocol
|
|
* tree, by removing all nodes from the ctree.
|
|
* This is how it's done in testgtk.c in GTK+.
|
|
*/
|
|
gtk_clist_clear(GTK_CLIST(tree_view));
|
|
|
|
g_node_children_foreach((GNode*) protocol_tree, G_TRAVERSE_ALL,
|
|
proto_tree_draw_node, &info);
|
|
|
|
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 = PITEM_FINFO(node);
|
|
gchar label_str[ITEM_LABEL_LENGTH];
|
|
gchar *label_ptr;
|
|
GtkCTreeNode *parent;
|
|
gboolean is_leaf, is_expanded;
|
|
int i;
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Clear the hex dump and protocol tree panes.
|
|
*/
|
|
void
|
|
clear_tree_and_hex_views(void)
|
|
{
|
|
/* Clear the hex dump by getting rid of all the byte views. */
|
|
while (gtk_notebook_get_nth_page(GTK_NOTEBOOK(byte_nb_ptr), 0) != NULL)
|
|
gtk_notebook_remove_page(GTK_NOTEBOOK(byte_nb_ptr), 0);
|
|
|
|
/* Add a placeholder byte view so that there's at least something
|
|
displayed in the byte view notebook. */
|
|
add_byte_tab(byte_nb_ptr, "", NULL, NULL, tree_view);
|
|
|
|
/* Clear the protocol tree by removing all nodes in the ctree.
|
|
This is how it's done in testgtk.c in GTK+ */
|
|
gtk_clist_clear(GTK_CLIST(tree_view));
|
|
}
|