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/* proto_tree.cpp
*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include "proto_tree.h"
#include "monospace_font.h"
#include <epan/prefs.h>
#include <QApplication>
#include <QHeaderView>
QColor expert_color_chat ( 0x80, 0xb7, 0xf7 ); /* light blue */
QColor expert_color_note ( 0xa0, 0xff, 0xff ); /* bright turquoise */
QColor expert_color_warn ( 0xf7, 0xf2, 0x53 ); /* yellow */
QColor expert_color_error ( 0xff, 0x5c, 0x5c ); /* pale red */
QColor expert_color_foreground ( 0x00, 0x00, 0x00 ); /* black */
QColor hidden_proto_item ( 0x44, 0x44, 0x44 ); /* gray */
/* Fill a single protocol tree item with its string value and set its color. */
static void
proto_tree_draw_node(proto_node *node, gpointer data)
{
field_info *fi = PNODE_FINFO(node);
gchar label_str[ITEM_LABEL_LENGTH];
gchar *label_ptr;
gboolean is_leaf, is_expanded;
g_assert(fi && "dissection with an invisible proto tree?");
if (PROTO_ITEM_IS_HIDDEN(node) && !prefs.display_hidden_proto_items)
return;
// Fill in our label
/* was a free format label produced? */
if (fi->rep) {
label_ptr = fi->rep->representation;
}
else { /* no, make a generic label */
label_ptr = label_str;
proto_item_fill_label(fi, label_str);
}
if (node->first_child != NULL) {
is_leaf = FALSE;
g_assert(fi->tree_type >= 0 && fi->tree_type < num_tree_types);
if (tree_is_expanded[fi->tree_type]) {
is_expanded = TRUE;
}
else {
is_expanded = FALSE;
}
}
else {
is_leaf = TRUE;
is_expanded = FALSE;
}
if (PROTO_ITEM_IS_GENERATED(node)) {
if (PROTO_ITEM_IS_HIDDEN(node)) {
label_ptr = g_strdup_printf("<[%s]>", label_ptr);
} else {
label_ptr = g_strdup_printf("[%s]", label_ptr);
}
} else if (PROTO_ITEM_IS_HIDDEN(node)) {
label_ptr = g_strdup_printf("<%s>", label_ptr);
}
QTreeWidgetItem *parentItem = (QTreeWidgetItem *)data;
QTreeWidgetItem *item;
item = new QTreeWidgetItem(parentItem, 0);
// Set our colors.
QPalette pal = QApplication::palette();
if (fi && fi->hfinfo) {
if(fi->hfinfo->type == FT_PROTOCOL) {
item->setData(0, Qt::BackgroundRole, pal.alternateBase());
}
if((fi->hfinfo->type == FT_FRAMENUM) ||
(FI_GET_FLAG(fi, FI_URL) && IS_FT_STRING(fi->hfinfo->type))) {
item->setData(0, Qt::ForegroundRole, pal.link());
// XXX - Draw an underline?
}
}
// XXX - Add routines to get our severity colors.
if(FI_GET_FLAG(fi, PI_SEVERITY_MASK)) {
switch(FI_GET_FLAG(fi, PI_SEVERITY_MASK)) {
case(PI_CHAT):
item->setData(0, Qt::BackgroundRole, expert_color_chat);
break;
case(PI_NOTE):
item->setData(0, Qt::BackgroundRole, expert_color_note);
break;
case(PI_WARN):
item->setData(0, Qt::BackgroundRole, expert_color_warn);
break;
case(PI_ERROR):
item->setData(0, Qt::BackgroundRole, expert_color_error);
break;
default:
g_assert_not_reached();
}
item->setData(0, Qt::ForegroundRole, expert_color_foreground);
}
// g_log(NULL, G_LOG_LEVEL_DEBUG, "new item %s", label_ptr);
item->setText(0, label_ptr);
item->setData(0, Qt::UserRole, qVariantFromValue((void *) fi));
if (PROTO_ITEM_IS_GENERATED(node) || PROTO_ITEM_IS_HIDDEN(node)) {
g_free(label_ptr);
}
if (!is_leaf) {
proto_tree_children_foreach(node, proto_tree_draw_node, item);
}
}
ProtoTree::ProtoTree(QWidget *parent) :
QTreeWidget(parent)
{
setAccessibleName(tr("Packet details"));
setFont(get_monospace_font());
connect(this, SIGNAL(currentItemChanged(QTreeWidgetItem*, QTreeWidgetItem*)),
this, SLOT(updateSelectionStatus(QTreeWidgetItem*)));
}
void ProtoTree::clear() {
updateSelectionStatus(NULL);
QTreeWidget::clear();
}
void ProtoTree::fillProtocolTree(proto_tree *protocol_tree) {
// Clear out previous tree
clear();
proto_tree_children_foreach(protocol_tree, proto_tree_draw_node, invisibleRootItem());
}
void ProtoTree::updateSelectionStatus(QTreeWidgetItem* item) {
if (item) {
field_info *fi;
QVariant v;
QString itemInfo;
int finfo_length;
v = item->data(0, Qt::UserRole);
fi = (field_info *) v.value<void *>();
if (!fi || !fi->hfinfo) return;
if (fi->hfinfo->blurb != NULL && fi->hfinfo->blurb[0] != '\0') {
itemInfo.append(QString().fromUtf8(fi->hfinfo->blurb));
} else {
itemInfo.append(QString().fromUtf8(fi->hfinfo->name));
}
if (!itemInfo.isEmpty()) {
itemInfo.append(" (" + QString().fromUtf8(fi->hfinfo->abbrev) + ")");
finfo_length = fi->length + fi->appendix_length;
if (finfo_length == 1) {
itemInfo.append(tr(", 1 byte"));
} else if (finfo_length > 1) {
itemInfo.append(QString(tr(", %1 bytes")).arg(finfo_length));
}
emit protoItemUnselected();
emit protoItemSelected(itemInfo);
} // else the GTK+ version pushes an empty string as described below.
/*
* Don't show anything if the field name is zero-length;
* the pseudo-field for "proto_tree_add_text()" is such
* a field, and we don't want "Text (text)" showing up
* on the status line if you've selected such a field.
*
* XXX - there are zero-length fields for which we *do*
* want to show the field name.
*
* XXX - perhaps the name and abbrev field should be null
* pointers rather than null strings for that pseudo-field,
* but we'd have to add checks for null pointers in some
* places if we did that.
*
* Or perhaps protocol tree items added with
* "proto_tree_add_text()" should have -1 as the field index,
* with no pseudo-field being used, but that might also
* require special checks for -1 to be added.
*/
} else {
emit protoItemUnselected();
}
}
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