197 lines
5.3 KiB
C++
197 lines
5.3 KiB
C++
/* filter_expression_frame.cpp
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include "filter_expression_frame.h"
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#include <ui_filter_expression_frame.h>
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#include <epan/filter_expressions.h>
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#include <epan/uat-int.h>
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#include <ui/preference_utils.h>
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#include <ui/qt/models/uat_model.h>
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#include <ui/qt/models/pref_models.h>
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#include <QPushButton>
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#include <QKeyEvent>
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// To do:
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// - Add the ability to edit current expressions.
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FilterExpressionFrame::FilterExpressionFrame(QWidget *parent) :
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AccordionFrame(parent),
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ui(new Ui::FilterExpressionFrame)
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{
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ui->setupUi(this);
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#ifdef Q_OS_MAC
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foreach (QWidget *w, findChildren<QWidget *>()) {
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w->setAttribute(Qt::WA_MacSmallSize, true);
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}
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#endif
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editExpression_ = -1;
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}
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FilterExpressionFrame::~FilterExpressionFrame()
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{
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delete ui;
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}
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void FilterExpressionFrame::addExpression(const QString filter_text)
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{
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if (isVisible()) {
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on_buttonBox_rejected();
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return;
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}
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editExpression_ = -1;
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ui->displayFilterLineEdit->setText(filter_text);
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if (! isVisible())
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animatedShow();
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}
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void FilterExpressionFrame::editExpression(int exprIdx)
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{
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if (isVisible())
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{
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ui->labelLineEdit->clear();
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ui->displayFilterLineEdit->clear();
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ui->commentLineEdit->clear();
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editExpression_ = -1;
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}
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UatModel * uatModel = new UatModel(this, "Display expressions");
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if ( ! uatModel->index(exprIdx, 1).isValid() )
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return;
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editExpression_ = exprIdx;
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ui->labelLineEdit->setText(uatModel->data(uatModel->index(exprIdx, 1), Qt::DisplayRole).toString());
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ui->displayFilterLineEdit->setText(uatModel->data(uatModel->index(exprIdx, 2), Qt::DisplayRole).toString());
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ui->commentLineEdit->setText(uatModel->data(uatModel->index(exprIdx, 3), Qt::DisplayRole).toString());
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delete(uatModel);
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if (! isVisible())
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animatedShow();
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}
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void FilterExpressionFrame::showEvent(QShowEvent *event)
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{
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ui->labelLineEdit->setFocus();
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ui->labelLineEdit->selectAll();
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AccordionFrame::showEvent(event);
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}
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void FilterExpressionFrame::updateWidgets()
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{
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bool ok_enable = true;
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if (ui->labelLineEdit->text().isEmpty() || ui->displayFilterLineEdit->syntaxState() != SyntaxLineEdit::Valid)
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ok_enable = false;
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ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(ok_enable);
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}
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void FilterExpressionFrame::on_filterExpressionPreferencesPushButton_clicked()
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{
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on_buttonBox_rejected();
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emit showPreferencesDialog(PrefsModel::FILTER_BUTTONS_PREFERENCE_TREE_NAME);
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}
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void FilterExpressionFrame::on_labelLineEdit_textChanged(const QString)
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{
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updateWidgets();
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}
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void FilterExpressionFrame::on_displayFilterLineEdit_textChanged(const QString)
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{
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updateWidgets();
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}
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void FilterExpressionFrame::on_buttonBox_accepted()
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{
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gchar* err = NULL;
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QByteArray label_ba = ui->labelLineEdit->text().toUtf8();
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QByteArray expr_ba = ui->displayFilterLineEdit->text().toUtf8();
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QByteArray comment_ba = ui->commentLineEdit->text().toUtf8();
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if ( ui->labelLineEdit->text().length() == 0 || ui->displayFilterLineEdit->text().length() == 0 )
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return;
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if ( ! ui->displayFilterLineEdit->checkFilter() )
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return;
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if ( editExpression_ >= 0 )
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{
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UatModel * uatModel = new UatModel(this, "Display expressions");
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if ( ! uatModel->index(editExpression_, 1).isValid() )
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return;
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uatModel->setData(uatModel->index(editExpression_, 1), QVariant::fromValue(label_ba));
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uatModel->setData(uatModel->index(editExpression_, 2), QVariant::fromValue(expr_ba));
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uatModel->setData(uatModel->index(editExpression_, 3), QVariant::fromValue(comment_ba));
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}
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else
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{
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filter_expression_new(label_ba.constData(), expr_ba.constData(), comment_ba.constData(), TRUE);
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}
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uat_save(uat_get_table_by_name("Display expressions"), &err);
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on_buttonBox_rejected();
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emit filterExpressionsChanged();
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g_free(err);
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}
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void FilterExpressionFrame::on_buttonBox_rejected()
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{
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ui->labelLineEdit->clear();
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ui->displayFilterLineEdit->clear();
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ui->commentLineEdit->clear();
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editExpression_ = -1;
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animatedHide();
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}
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void FilterExpressionFrame::keyPressEvent(QKeyEvent *event)
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{
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if (event->modifiers() == Qt::NoModifier) {
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if (event->key() == Qt::Key_Escape) {
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on_buttonBox_rejected();
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} else if (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return) {
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if (ui->buttonBox->button(QDialogButtonBox::Ok)->isEnabled()) {
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on_buttonBox_accepted();
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} else if (ui->labelLineEdit->text().length() == 0) {
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emit pushFilterSyntaxStatus(tr("Missing label."));
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} else if (ui->displayFilterLineEdit->syntaxState() == SyntaxLineEdit::Empty) {
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emit pushFilterSyntaxStatus(tr("Missing filter expression."));
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} else if (ui->displayFilterLineEdit->syntaxState() != SyntaxLineEdit::Valid) {
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emit pushFilterSyntaxStatus(tr("Invalid filter expression."));
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}
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}
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}
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AccordionFrame::keyPressEvent(event);
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}
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/*
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* Editor modelines
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*
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* Local Variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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