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/* funnel_text_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 "funnel_text_dialog.h"
#include <ui_funnel_text_dialog.h>
#include <QPushButton>
#include <QRegularExpression>
#include <QTextCharFormat>
#include <QTextCursor>
#include <ui/qt/utils/qt_ui_utils.h>
#include "main_application.h"
// To do:
// - Add "Find next" to highlighting.
// - Add rich text support?
// - Zoom text?
static QHash<QObject *, funnel_bt_t*> text_button_to_funnel_button_;
FunnelTextDialog::FunnelTextDialog(QWidget *parent, const QString &title) :
GeometryStateDialog(parent),
ui(new Ui::FunnelTextDialog),
close_cb_(NULL),
close_cb_data_(NULL)
{
ui->setupUi(this);
if (!title.isEmpty()) {
loadGeometry(0, 0, QString("Funnel %1").arg(title));
}
setWindowTitle(mainApp->windowTitleString(title));
funnel_text_window_.funnel_text_dialog = this;
ui->textEdit->setFont(mainApp->monospaceFont());
ui->textEdit->setReadOnly(true);
ui->textEdit->setAcceptRichText(false);
}
FunnelTextDialog::~FunnelTextDialog()
{
delete ui;
}
void FunnelTextDialog::reject()
{
QDialog::reject();
if (close_cb_) {
close_cb_(close_cb_data_);
}
for (const auto& button : ui->buttonBox->buttons()) {
funnel_bt_t *funnel_button = text_button_to_funnel_button_.take(qobject_cast<QObject*>(button));
if (funnel_button != nullptr) {
if (funnel_button->free_data_fcn) {
funnel_button->free_data_fcn(funnel_button->data);
}
if (funnel_button->free_fcn) {
funnel_button->free_fcn(funnel_button);
}
}
}
disconnect();
deleteLater();
}
struct _funnel_text_window_t *FunnelTextDialog::textWindowNew(QWidget *parent, const QString title)
{
FunnelTextDialog *ftd = new FunnelTextDialog(parent, title);
ftd->show();
return &ftd->funnel_text_window_;
}
void FunnelTextDialog::setText(const QString text)
{
ui->textEdit->setText(text);
}
void FunnelTextDialog::appendText(const QString text)
{
ui->textEdit->moveCursor(QTextCursor::End);
ui->textEdit->insertPlainText(text);
}
void FunnelTextDialog::prependText(const QString text)
{
ui->textEdit->moveCursor(QTextCursor::Start);
ui->textEdit->insertPlainText(text);
}
void FunnelTextDialog::clearText()
{
ui->textEdit->clear();
}
const char *FunnelTextDialog::getText()
{
return qstring_strdup(ui->textEdit->toPlainText());
}
void FunnelTextDialog::setCloseCallback(text_win_close_cb_t close_cb, void *close_cb_data)
{
close_cb_ = close_cb;
close_cb_data_ = close_cb_data;
}
void FunnelTextDialog::setTextEditable(gboolean editable)
{
ui->textEdit->setReadOnly(!editable);
}
void FunnelTextDialog::addButton(funnel_bt_t *funnel_button, QString label)
{
// Use "&&" to get a real ampersand in the button.
label.replace('&', "&&");
QPushButton *button = new QPushButton(label);
ui->buttonBox->addButton(button, QDialogButtonBox::ActionRole);
text_button_to_funnel_button_[button] = funnel_button;
connect(button, &QPushButton::clicked, this, &FunnelTextDialog::buttonClicked);
}
void FunnelTextDialog::buttonClicked()
{
if (text_button_to_funnel_button_.contains(sender())) {
funnel_bt_t *funnel_button = text_button_to_funnel_button_[sender()];
if (funnel_button) {
funnel_button->func(&funnel_text_window_, funnel_button->data);
}
}
}
void FunnelTextDialog::on_findLineEdit_textChanged(const QString &pattern)
{
QRegularExpression re(pattern, QRegularExpression::CaseInsensitiveOption |
QRegularExpression::UseUnicodePropertiesOption);
QTextCharFormat plain_fmt, highlight_fmt;
highlight_fmt.setBackground(Qt::yellow);
QTextCursor csr(ui->textEdit->document());
int position = csr.position();
setUpdatesEnabled(false);
// Reset highlighting
csr.movePosition(QTextCursor::Start);
csr.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
csr.setCharFormat(plain_fmt);
// Apply new highlighting
if (!pattern.isEmpty() && re.isValid()) {
QRegularExpressionMatchIterator iter = re.globalMatch(ui->textEdit->toPlainText());
while (iter.hasNext()) {
QRegularExpressionMatch match = iter.next();
csr.setPosition(static_cast<int>(match.capturedStart()), QTextCursor::MoveAnchor);
csr.setPosition(static_cast<int>(match.capturedEnd()), QTextCursor::KeepAnchor);
csr.setCharFormat(highlight_fmt);
}
}
// Restore cursor and anchor
csr.setPosition(position, QTextCursor::MoveAnchor);
setUpdatesEnabled(true);
}
void text_window_set_text(funnel_text_window_t *ftw, const char* text)
{
if (ftw) {
ftw->funnel_text_dialog->setText(text);
}
}
void text_window_append(funnel_text_window_t* ftw, const char* text)
{
if (ftw) {
ftw->funnel_text_dialog->appendText(text);
}
}
void text_window_prepend(funnel_text_window_t *ftw, const char* text)
{
if (ftw) {
ftw->funnel_text_dialog->prependText(text);
}
}
void text_window_clear(funnel_text_window_t* ftw)
{
if (ftw) {
ftw->funnel_text_dialog->clearText();
}
}
const char *text_window_get_text(funnel_text_window_t *ftw)
{
if (ftw) {
return ftw->funnel_text_dialog->getText();
}
return NULL;
}
void text_window_set_close_cb(funnel_text_window_t *ftw, text_win_close_cb_t close_cb, void *close_cb_data)
{
if (ftw) {
ftw->funnel_text_dialog->setCloseCallback(close_cb, close_cb_data);
}
}
void text_window_set_editable(funnel_text_window_t *ftw, gboolean editable)
{
if (ftw) {
ftw->funnel_text_dialog->setTextEditable(editable);
}
}
void text_window_destroy(funnel_text_window_t *ftw)
{
if (ftw) {
ftw->funnel_text_dialog->close();
}
}
void text_window_add_button(funnel_text_window_t *ftw, funnel_bt_t *funnel_button, const char *label)
{
if (ftw) {
ftw->funnel_text_dialog->addButton(funnel_button, label);
}
}
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