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/* dissector_syntax_line_edit.cpp
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
#include <wsutil/utf8_entities.h>
#include <ui/qt/widgets/dissector_syntax_line_edit.h>
#include <ui/qt/widgets/syntax_line_edit.h>
#include <QAction>
#include <QCompleter>
#include <QEvent>
#include <QStringListModel>
#include <wsutil/utf8_entities.h>
// Ordinary dissector names allow the same characters as display filter
// fields (heuristic dissectors don't allow upper-case.)
static const QString fld_abbrev_chars_ = "-.0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz";
DissectorSyntaxLineEdit::DissectorSyntaxLineEdit(QWidget *parent) :
SyntaxLineEdit(parent)
{
setAccessibleName(tr("Dissector entry"));
completion_model_ = new QStringListModel(this);
setCompleter(new QCompleter(completion_model_, this));
setCompletionTokenChars(fld_abbrev_chars_);
updateDissectorNames();
setDefaultPlaceholderText();
connect(this, &DissectorSyntaxLineEdit::textChanged, this,
static_cast<void (DissectorSyntaxLineEdit::*)(const QString &)>(&DissectorSyntaxLineEdit::checkDissectorName));
}
void DissectorSyntaxLineEdit::updateDissectorNames()
{
GList *dissector_names = get_dissector_names();
QStringList dissector_list;
for (GList* l = dissector_names; l != NULL; l = l->next) {
dissector_list << (const char*) l->data;
}
g_list_free(dissector_names);
dissector_list.sort();
completion_model_->setStringList(dissector_list);
}
void DissectorSyntaxLineEdit::setDefaultPlaceholderText()
{
placeholder_text_ = QString(tr("Enter a dissector %1")).arg(UTF8_HORIZONTAL_ELLIPSIS);
setPlaceholderText(placeholder_text_);
}
void DissectorSyntaxLineEdit::checkDissectorName(const QString &dissector)
{
if (dissector.isEmpty()) {
setSyntaxState(SyntaxLineEdit::Empty);
} else if (find_dissector(dissector.trimmed().toUtf8().constData())) {
setSyntaxState(SyntaxLineEdit::Valid);
} else {
setSyntaxState(SyntaxLineEdit::Invalid);
}
}
void DissectorSyntaxLineEdit::buildCompletionList(const QString &field_word, const QString &preamble _U_)
{
#if 0
// It would be nice to push a hint about the current dissector with
// the description, as we do with the status line in the main window
// with filters.
if (syntaxState() == Valid) {
dissector_handle_t handle = find_dissector(field_word.toUtf8().constData());
if (handle) {
QString cursor_field_msg = QString("%1: %2")
.arg(dissector_handle_get_dissector_name(handle))
.arg(dissector_handle_get_description(handle));
}
}
#endif
completer()->setCompletionPrefix(field_word);
}
void DissectorSyntaxLineEdit::changeEvent(QEvent* event)
{
if (0 != event)
{
switch (event->type())
{
case QEvent::LanguageChange:
setDefaultPlaceholderText();
break;
default:
break;
}
}
SyntaxLineEdit::changeEvent(event);
}
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