Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 236 insertions, 0 deletions

diff --git a/ui/qt/funnel_text_dialog.cpp b/ui/qt/funnel_text_dialog.cpp
new file mode 100644
index 00000000..84bbb941
--- /dev/null
+++ b/ui/qt/funnel_text_dialog.cpp
@@ -0,0 +1,236 @@
+/* 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_);
+    }
+
+    QHash<QObject *, funnel_bt_t*>::iterator i;
+    for (i = text_button_to_funnel_button_.begin(); i != text_button_to_funnel_button_.end(); ++i) {
+        funnel_bt_t *funnel_button = i.value();
+        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);
+        }
+    }
+    text_button_to_funnel_button_.clear();
+
+    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);
+    }
+}