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/* capture_preferences_frame.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 <wireshark.h>
#ifdef HAVE_LIBPCAP
#include "ui/capture_globals.h"
#endif
#include "capture_preferences_frame.h"
#include <ui/qt/models/pref_models.h>
#include <ui/qt/widgets/syntax_line_edit.h>
#include <ui_capture_preferences_frame.h>
#include "main_application.h"
#include <QSpacerItem>
#include "ui/capture_ui_utils.h"
#include "ui/ws_ui_util.h"
#include <epan/prefs-int.h>
CapturePreferencesFrame::CapturePreferencesFrame(QWidget *parent) :
QFrame(parent),
ui(new Ui::CapturePreferencesFrame)
{
ui->setupUi(this);
pref_device_ = prefFromPrefPtr(&prefs.capture_device);
pref_prom_mode_ = prefFromPrefPtr(&prefs.capture_prom_mode);
pref_pcap_ng_ = prefFromPrefPtr(&prefs.capture_pcap_ng);
pref_real_time_ = prefFromPrefPtr(&prefs.capture_real_time);
pref_update_interval_ = prefFromPrefPtr(&prefs.capture_update_interval);
pref_no_interface_load_ = prefFromPrefPtr(&prefs.capture_no_interface_load);
pref_no_extcap_ = prefFromPrefPtr(&prefs.capture_no_extcap);
// Setting the left margin via a style sheet clobbers its
// appearance.
int margin = style()->pixelMetric(QStyle::PM_LayoutLeftMargin);
QRect geom = ui->defaultInterfaceSpacer->geometry();
geom.setWidth(margin);
ui->defaultInterfaceSpacer->setGeometry(geom);
}
CapturePreferencesFrame::~CapturePreferencesFrame()
{
delete ui;
}
void CapturePreferencesFrame::showEvent(QShowEvent *)
{
updateWidgets();
}
void CapturePreferencesFrame::updateWidgets()
{
#ifdef HAVE_LIBPCAP
interface_t *device;
QString default_device_string;
if (prefs_get_string_value(pref_device_, pref_stashed)) {
default_device_string = prefs_get_string_value(pref_device_, pref_stashed);
}
ui->defaultInterfaceComboBox->clear();
if ((global_capture_opts.all_ifaces->len == 0) &&
(prefs_get_bool_value(pref_no_interface_load_, pref_stashed) == FALSE)) {
/*
* No interfaces - try refreshing the local interfaces, to
* see whether any have showed up (or privileges have changed
* to allow us to access them).
*/
mainApp->refreshLocalInterfaces();
}
for (guint i = 0; i < global_capture_opts.all_ifaces->len; i++) {
device = &g_array_index(global_capture_opts.all_ifaces, interface_t, i);
/* Continue if capture device is hidden */
if (device->hidden) {
continue;
}
// InterfaceTree matches against device->name (the device name)
// when selecting the default interface, so add it here if needed.
//
// On UN*Xes, the display name includes the device name, as
// interface names are generally short simple names that
// are somewhat human-recognizable; if there's a description,
// it precedes the device name, which is followed by a colon
// and a space, e.g. "Wi-Fi: en0". This means that we do not
// need to add the device name.
//
// On Windows, the display name does not include the device
// name, as it begins with \\Device and ends with a GUID,
// with nothing much human-recognizable. Therefore, the
// display name is just the "friendly name" that Windows
// provides. This means that we *do* need to add the device
// name, which means that, in the drop-down list, we show
// the user a big ugly UUID-laden device path.
//
// We might be able to work around that by passing device->name as
// the userData argument to addItem instead.
//
// This also means that the capture.device
QString item_text = device->display_name;
if (!item_text.contains(device->name)) {
item_text.append(QString(" (%1)").arg(device->name));
}
ui->defaultInterfaceComboBox->addItem(item_text);
}
if (!default_device_string.isEmpty()) {
ui->defaultInterfaceComboBox->setEditText(default_device_string);
} else {
ui->defaultInterfaceComboBox->clearEditText();
}
ui->capturePromModeCheckBox->setChecked(prefs_get_bool_value(pref_prom_mode_, pref_stashed));
ui->capturePcapNgCheckBox->setChecked(prefs_get_bool_value(pref_pcap_ng_, pref_stashed));
ui->captureRealTimeCheckBox->setChecked(prefs_get_bool_value(pref_real_time_, pref_stashed));
ui->captureUpdateIntervalLineEdit->setText(QString::number(prefs_get_uint_value_real(pref_update_interval_, pref_stashed)));
ui->captureUpdateIntervalLineEdit->setPlaceholderText(QString::number(prefs_get_uint_value_real(pref_update_interval_, pref_default)));
ui->captureUpdateIntervalLineEdit->setSyntaxState(SyntaxLineEdit::Empty);
#endif // HAVE_LIBPCAP
ui->captureNoInterfaceLoad->setChecked(prefs_get_bool_value(pref_no_interface_load_, pref_stashed));
ui->captureNoExtcapCheckBox->setChecked(prefs_get_bool_value(pref_no_extcap_, pref_stashed));
}
void CapturePreferencesFrame::on_defaultInterfaceComboBox_editTextChanged(const QString &new_iface)
{
prefs_set_string_value(pref_device_, new_iface.toUtf8().constData(), pref_stashed);
}
void CapturePreferencesFrame::on_capturePromModeCheckBox_toggled(bool checked)
{
prefs_set_bool_value(pref_prom_mode_, checked, pref_stashed);
}
void CapturePreferencesFrame::on_capturePcapNgCheckBox_toggled(bool checked)
{
prefs_set_bool_value(pref_pcap_ng_, checked, pref_stashed);
}
void CapturePreferencesFrame::on_captureRealTimeCheckBox_toggled(bool checked)
{
prefs_set_bool_value(pref_real_time_, checked, pref_stashed);
}
void CapturePreferencesFrame::on_captureUpdateIntervalLineEdit_textChanged(const QString &new_str)
{
uint new_uint;
if (new_str.isEmpty()) {
new_uint = prefs_get_uint_value_real(pref_update_interval_, pref_default);
prefs_set_uint_value(pref_update_interval_, new_uint, pref_stashed);
ui->captureUpdateIntervalLineEdit->setSyntaxState(SyntaxLineEdit::Empty);
return;
}
bool ok;
new_uint = new_str.toUInt(&ok, 0);
if (ok) {
ui->captureUpdateIntervalLineEdit->setSyntaxState(SyntaxLineEdit::Valid);
} else {
new_uint = prefs_get_uint_value_real(pref_update_interval_, pref_current);
ui->captureUpdateIntervalLineEdit->setSyntaxState(SyntaxLineEdit::Invalid);
}
prefs_set_uint_value(pref_update_interval_, new_uint, pref_stashed);
}
void CapturePreferencesFrame::on_captureNoInterfaceLoad_toggled(bool checked)
{
prefs_set_bool_value(pref_no_interface_load_, checked, pref_stashed);
}
void CapturePreferencesFrame::on_captureNoExtcapCheckBox_toggled(bool checked)
{
prefs_set_bool_value(pref_no_extcap_, checked, pref_stashed);
}
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