forked from osmocom/wireshark
e51a0cb4f4
Qt5 recommended to use QRegularExpression instead of QRegExp. Qt6 deprecated QRegExp and provides it in Qt5 compatibility module. QRegularExpression is generally faster and safer to use as the results are returned in separate QRegularExpressionMatch instead of modifying interal QRegExp object state.
237 lines
6.1 KiB
C++
237 lines
6.1 KiB
C++
/* funnel_text_dialog.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-or-later
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*/
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#include "funnel_text_dialog.h"
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#include <ui_funnel_text_dialog.h>
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#include <QPushButton>
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#include <QRegularExpression>
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#include <QTextCharFormat>
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#include <QTextCursor>
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#include <ui/qt/utils/qt_ui_utils.h>
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#include "wireshark_application.h"
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// To do:
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// - Add "Find next" to highlighting.
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// - Add rich text support?
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// - Zoom text?
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static QHash<QObject *, funnel_bt_t*> text_button_to_funnel_button_;
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FunnelTextDialog::FunnelTextDialog(QWidget *parent, const QString &title) :
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GeometryStateDialog(parent),
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ui(new Ui::FunnelTextDialog),
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close_cb_(NULL),
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close_cb_data_(NULL)
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{
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ui->setupUi(this);
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if (!title.isEmpty()) {
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loadGeometry(0, 0, QString("Funnel %1").arg(title));
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}
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setWindowTitle(wsApp->windowTitleString(title));
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funnel_text_window_.funnel_text_dialog = this;
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ui->textEdit->setFont(wsApp->monospaceFont());
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ui->textEdit->setReadOnly(true);
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ui->textEdit->setAcceptRichText(false);
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}
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FunnelTextDialog::~FunnelTextDialog()
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{
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delete ui;
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}
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void FunnelTextDialog::reject()
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{
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QDialog::reject();
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if (close_cb_) {
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close_cb_(close_cb_data_);
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}
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QHash<QObject *, funnel_bt_t*>::iterator i;
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for (i = text_button_to_funnel_button_.begin(); i != text_button_to_funnel_button_.end(); ++i) {
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funnel_bt_t *funnel_button = i.value();
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if (funnel_button->free_data_fcn) {
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funnel_button->free_data_fcn(funnel_button->data);
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}
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if (funnel_button->free_fcn) {
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funnel_button->free_fcn(funnel_button);
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}
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}
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text_button_to_funnel_button_.clear();
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disconnect();
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deleteLater();
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}
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struct _funnel_text_window_t *FunnelTextDialog::textWindowNew(QWidget *parent, const QString title)
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{
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FunnelTextDialog *ftd = new FunnelTextDialog(parent, title);
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ftd->show();
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return &ftd->funnel_text_window_;
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}
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void FunnelTextDialog::setText(const QString text)
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{
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ui->textEdit->setText(text);
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}
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void FunnelTextDialog::appendText(const QString text)
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{
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ui->textEdit->moveCursor(QTextCursor::End);
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ui->textEdit->insertPlainText(text);
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}
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void FunnelTextDialog::prependText(const QString text)
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{
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ui->textEdit->moveCursor(QTextCursor::Start);
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ui->textEdit->insertPlainText(text);
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}
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void FunnelTextDialog::clearText()
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{
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ui->textEdit->clear();
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}
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const char *FunnelTextDialog::getText()
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{
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return qstring_strdup(ui->textEdit->toPlainText());
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}
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void FunnelTextDialog::setCloseCallback(text_win_close_cb_t close_cb, void *close_cb_data)
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{
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close_cb_ = close_cb;
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close_cb_data_ = close_cb_data;
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}
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void FunnelTextDialog::setTextEditable(gboolean editable)
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{
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ui->textEdit->setReadOnly(!editable);
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}
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void FunnelTextDialog::addButton(funnel_bt_t *funnel_button, QString label)
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{
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// Use "&&" to get a real ampersand in the button.
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label.replace('&', "&&");
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QPushButton *button = new QPushButton(label);
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ui->buttonBox->addButton(button, QDialogButtonBox::ActionRole);
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text_button_to_funnel_button_[button] = funnel_button;
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connect(button, &QPushButton::clicked, this, &FunnelTextDialog::buttonClicked);
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}
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void FunnelTextDialog::buttonClicked()
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{
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if (text_button_to_funnel_button_.contains(sender())) {
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funnel_bt_t *funnel_button = text_button_to_funnel_button_[sender()];
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if (funnel_button) {
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funnel_button->func(&funnel_text_window_, funnel_button->data);
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}
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}
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}
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void FunnelTextDialog::on_findLineEdit_textChanged(const QString &pattern)
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{
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QRegularExpression re(pattern, QRegularExpression::CaseInsensitiveOption |
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QRegularExpression::UseUnicodePropertiesOption);
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QTextCharFormat plain_fmt, highlight_fmt;
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highlight_fmt.setBackground(Qt::yellow);
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QTextCursor csr(ui->textEdit->document());
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int position = csr.position();
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setUpdatesEnabled(false);
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// Reset highlighting
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csr.movePosition(QTextCursor::Start);
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csr.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
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csr.setCharFormat(plain_fmt);
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// Apply new highlighting
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if (!pattern.isEmpty() && re.isValid()) {
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QRegularExpressionMatchIterator iter = re.globalMatch(ui->textEdit->toPlainText());
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while (iter.hasNext()) {
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QRegularExpressionMatch match = iter.next();
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csr.setPosition(match.capturedStart(), QTextCursor::MoveAnchor);
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csr.setPosition(match.capturedEnd(), QTextCursor::KeepAnchor);
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csr.setCharFormat(highlight_fmt);
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}
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}
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// Restore cursor and anchor
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csr.setPosition(position, QTextCursor::MoveAnchor);
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setUpdatesEnabled(true);
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}
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void text_window_set_text(funnel_text_window_t *ftw, const char* text)
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{
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if (ftw) {
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ftw->funnel_text_dialog->setText(text);
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}
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}
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void text_window_append(funnel_text_window_t* ftw, const char* text)
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{
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if (ftw) {
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ftw->funnel_text_dialog->appendText(text);
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}
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}
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void text_window_prepend(funnel_text_window_t *ftw, const char* text)
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{
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if (ftw) {
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ftw->funnel_text_dialog->prependText(text);
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}
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}
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void text_window_clear(funnel_text_window_t* ftw)
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{
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if (ftw) {
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ftw->funnel_text_dialog->clearText();
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}
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}
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const char *text_window_get_text(funnel_text_window_t *ftw)
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{
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if (ftw) {
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return ftw->funnel_text_dialog->getText();
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}
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return NULL;
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}
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void text_window_set_close_cb(funnel_text_window_t *ftw, text_win_close_cb_t close_cb, void *close_cb_data)
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{
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if (ftw) {
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ftw->funnel_text_dialog->setCloseCallback(close_cb, close_cb_data);
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}
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}
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void text_window_set_editable(funnel_text_window_t *ftw, gboolean editable)
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{
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if (ftw) {
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ftw->funnel_text_dialog->setTextEditable(editable);
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}
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}
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void text_window_destroy(funnel_text_window_t *ftw)
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{
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if (ftw) {
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ftw->funnel_text_dialog->close();
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}
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}
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void text_window_add_button(funnel_text_window_t *ftw, funnel_bt_t *funnel_button, const char *label)
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{
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if (ftw) {
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ftw->funnel_text_dialog->addButton(funnel_button, label);
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}
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}
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