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/* filter_expression_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 "filter_expression_frame.h"
#include <ui_filter_expression_frame.h>
#include <epan/filter_expressions.h>
#include <ui/preference_utils.h>
#include <ui/qt/models/uat_model.h>
#include <ui/qt/models/pref_models.h>
#include <ui/qt/main_application.h>
#include <QPushButton>
#include <QKeyEvent>
// To do:
// - Add the ability to edit current expressions.
FilterExpressionFrame::FilterExpressionFrame(QWidget *parent) :
AccordionFrame(parent),
ui(new Ui::FilterExpressionFrame)
{
ui->setupUi(this);
#ifdef Q_OS_MAC
foreach (QWidget *w, findChildren<QWidget *>()) {
w->setAttribute(Qt::WA_MacSmallSize, true);
}
#endif
editExpression_ = -1;
updateWidgets();
}
FilterExpressionFrame::~FilterExpressionFrame()
{
delete ui;
}
void FilterExpressionFrame::addExpression(const QString filter_text)
{
if (isVisible()) {
on_buttonBox_rejected();
return;
}
editExpression_ = -1;
ui->displayFilterLineEdit->setText(filter_text);
if (! isVisible())
animatedShow();
}
void FilterExpressionFrame::editExpression(int exprIdx)
{
if (isVisible())
{
ui->labelLineEdit->clear();
ui->displayFilterLineEdit->clear();
ui->commentLineEdit->clear();
editExpression_ = -1;
}
UatModel * uatModel = new UatModel(this, "Display expressions");
if (! uatModel->index(exprIdx, 1).isValid())
return;
editExpression_ = exprIdx;
ui->labelLineEdit->setText(uatModel->data(uatModel->index(exprIdx, 1), Qt::DisplayRole).toString());
ui->displayFilterLineEdit->setText(uatModel->data(uatModel->index(exprIdx, 2), Qt::DisplayRole).toString());
ui->commentLineEdit->setText(uatModel->data(uatModel->index(exprIdx, 3), Qt::DisplayRole).toString());
delete(uatModel);
if (! isVisible())
animatedShow();
}
void FilterExpressionFrame::showEvent(QShowEvent *event)
{
ui->labelLineEdit->setFocus();
ui->labelLineEdit->selectAll();
AccordionFrame::showEvent(event);
}
void FilterExpressionFrame::updateWidgets()
{
bool ok_enable = true;
if (ui->labelLineEdit->text().isEmpty() ||
((ui->displayFilterLineEdit->syntaxState() != SyntaxLineEdit::Valid) &&
(ui->displayFilterLineEdit->syntaxState() != SyntaxLineEdit::Deprecated)))
ok_enable = false;
ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(ok_enable);
}
void FilterExpressionFrame::on_filterExpressionPreferencesPushButton_clicked()
{
on_buttonBox_rejected();
emit showPreferencesDialog(PrefsModel::typeToString(PrefsModel::FilterButtons));
}
void FilterExpressionFrame::on_labelLineEdit_textChanged(const QString)
{
updateWidgets();
}
void FilterExpressionFrame::on_displayFilterLineEdit_textChanged(const QString)
{
updateWidgets();
}
void FilterExpressionFrame::on_buttonBox_accepted()
{
QByteArray label_ba = ui->labelLineEdit->text().toUtf8();
QByteArray expr_ba = ui->displayFilterLineEdit->text().toUtf8();
QByteArray comment_ba = ui->commentLineEdit->text().toUtf8();
if (ui->labelLineEdit->text().length() == 0 || ui->displayFilterLineEdit->text().length() == 0)
return;
if (! ui->displayFilterLineEdit->checkFilter())
return;
if (editExpression_ >= 0)
{
UatModel * uatModel = new UatModel(this, "Display expressions");
if (! uatModel->index(editExpression_, 1).isValid())
return;
uatModel->setData(uatModel->index(editExpression_, 1), QVariant::fromValue(label_ba));
uatModel->setData(uatModel->index(editExpression_, 2), QVariant::fromValue(expr_ba));
uatModel->setData(uatModel->index(editExpression_, 3), QVariant::fromValue(comment_ba));
}
else
{
filter_expression_new(label_ba.constData(), expr_ba.constData(), comment_ba.constData(), TRUE);
}
save_migrated_uat("Display expressions", &prefs.filter_expressions_old);
on_buttonBox_rejected();
emit filterExpressionsChanged();
}
void FilterExpressionFrame::on_buttonBox_rejected()
{
ui->labelLineEdit->clear();
ui->displayFilterLineEdit->clear();
ui->commentLineEdit->clear();
editExpression_ = -1;
animatedHide();
}
void FilterExpressionFrame::keyPressEvent(QKeyEvent *event)
{
if (event->modifiers() == Qt::NoModifier) {
if (event->key() == Qt::Key_Escape) {
on_buttonBox_rejected();
} else if (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return) {
if (ui->buttonBox->button(QDialogButtonBox::Ok)->isEnabled()) {
on_buttonBox_accepted();
} else if (ui->labelLineEdit->text().length() == 0) {
mainApp->pushStatus(MainApplication::FilterSyntax, tr("Missing label."));
} else if (ui->displayFilterLineEdit->syntaxState() == SyntaxLineEdit::Empty) {
mainApp->pushStatus(MainApplication::FilterSyntax, tr("Missing filter expression."));
} else if (ui->displayFilterLineEdit->syntaxState() != SyntaxLineEdit::Valid) {
mainApp->pushStatus(MainApplication::FilterSyntax, tr("Invalid filter expression."));
}
}
}
AccordionFrame::keyPressEvent(event);
}
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