wireshark/ui/qt/supported_protocols_dialog.cpp

97 lines
3.2 KiB
C++

/* supported_protocols_dialog.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 "supported_protocols_dialog.h"
#include <ui_supported_protocols_dialog.h>
#include <QElapsedTimer>
#include "main_application.h"
SupportedProtocolsDialog::SupportedProtocolsDialog(QWidget *parent) :
GeometryStateDialog(parent),
ui(new Ui::SupportedProtocolsDialog),
supported_protocols_model_(new SupportedProtocolsModel()),
proxyModel_(new SupportedProtocolsProxyModel(this))
{
ui->setupUi(this);
proxyModel_->setSourceModel(supported_protocols_model_);
ui->supportedProtocolsTreeView->setModel(proxyModel_);
//always sort by protocol/field name
proxyModel_->sort(SupportedProtocolsModel::colName);
if (parent)
loadGeometry(parent->width() * 3 / 4, parent->height());
setAttribute(Qt::WA_DeleteOnClose, true);
setWindowTitle(mainApp->windowTitleString(tr("Supported Protocols")));
// Some of our names are unreasonably long.
int one_em = fontMetrics().height();
ui->supportedProtocolsTreeView->setColumnWidth(SupportedProtocolsModel::colName, one_em * 15);
ui->supportedProtocolsTreeView->setColumnWidth(SupportedProtocolsModel::colFilter, one_em * 10);
ui->supportedProtocolsTreeView->setColumnWidth(SupportedProtocolsModel::colType, one_em * 12);
ui->supportedProtocolsTreeView->setColumnWidth(SupportedProtocolsModel::colDescription, one_em * 30);
QTimer::singleShot(0, this, SLOT(fillTree()));
/* Create a single-shot timer for debouncing calls to
* updateSearchLineEdit() */
searchLineEditTimer = new QTimer(this);
searchLineEditTimer->setSingleShot(true);
connect(searchLineEditTimer, &QTimer::timeout, this, &SupportedProtocolsDialog::updateSearchLineEdit);
}
SupportedProtocolsDialog::~SupportedProtocolsDialog()
{
delete searchLineEditTimer;
delete ui;
delete supported_protocols_model_;
delete proxyModel_;
}
void SupportedProtocolsDialog::updateStatistics()
{
QLocale locale = QLocale::system();
QString hint = tr("%1 protocols, %2 fields.")
.arg(locale.toString(supported_protocols_model_->rowCount()))
.arg(locale.toString(supported_protocols_model_->fieldCount()));
ui->hintLabel->setText(hint);
}
void SupportedProtocolsDialog::fillTree()
{
supported_protocols_model_->populate();
updateStatistics();
}
void SupportedProtocolsDialog::updateSearchLineEdit()
{
proxyModel_->setFilter(searchLineEditText);
}
void SupportedProtocolsDialog::on_searchLineEdit_textChanged(const QString &search_re)
{
/* As filtering the list of protocols takes a noticeable amount
* of time and so would introduce significant lag while typing a string
* into the Search box, we instead debounce the call to
* proxyModel_->setFilter(), so that it doesn't run until a set amount of
* time has elapsed with no updates to the Search field.
*
* If the user types something before the timer elapses, the timer restarts
* the countdown.
*/
searchLineEditText = search_re;
searchLineEditTimer->start(1000);
}