Adding upstream version 4.2.2.upstream/4.2.2

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

1 files changed, 170 insertions, 0 deletions

diff --git a/ui/qt/extcap_argument_file.cpp b/ui/qt/extcap_argument_file.cpp
new file mode 100644
index 00000000..bac7a5b9
--- /dev/null
+++ b/ui/qt/extcap_argument_file.cpp
@@ -0,0 +1,170 @@
+/* extcap_argument_file.cpp
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include <extcap_argument.h>
+#include <extcap_argument_file.h>
+
+#include <wsutil/utf8_entities.h>
+
+#include "ui/qt/widgets/wireshark_file_dialog.h"
+
+#include <QObject>
+#include <QWidget>
+#include <QLabel>
+#include <QLineEdit>
+#include <QBoxLayout>
+#include <QPushButton>
+#include <QDir>
+#include <QFileInfo>
+#include <QVariant>
+
+#include <epan/prefs.h>
+#include <ui/qt/utils/color_utils.h>
+
+#include <ui/all_files_wildcard.h>
+
+#include <extcap_parser.h>
+
+ExtcapArgumentFileSelection::ExtcapArgumentFileSelection (extcap_arg * argument, QObject *parent) :
+    ExtcapArgument(argument, parent), textBox(0)
+{
+}
+
+ExtcapArgumentFileSelection::~ExtcapArgumentFileSelection()
+{
+    if (textBox != NULL)
+        delete textBox;
+}
+
+QWidget * ExtcapArgumentFileSelection::createEditor(QWidget * parent)
+{
+    QString text = defaultValue();
+    QString buttonText(UTF8_HORIZONTAL_ELLIPSIS);
+    QString buttonClearText(tr("Clear"));
+
+    QWidget * fileWidget = new QWidget(parent);
+    QHBoxLayout * editLayout = new QHBoxLayout();
+    QMargins margins = editLayout->contentsMargins();
+    editLayout->setContentsMargins(0, 0, 0, margins.bottom());
+    fileWidget->setContentsMargins(margins.left(), margins.right(), 0, margins.bottom());
+    QPushButton * buttonSelect = new QPushButton(buttonText, fileWidget);
+    QPushButton * buttonClear = new QPushButton(buttonClearText, fileWidget);
+
+    textBox = new QLineEdit(text, parent);
+    textBox->setReadOnly(true);
+
+    /* Value is empty if no file is selected */
+    const char *prefval = (_argument->pref_valptr && (*_argument->pref_valptr)) ? *_argument->pref_valptr : NULL;
+    if (prefval)
+    {
+        QString storeValue(prefval);
+
+        if (storeValue.length() > 0 && storeValue.compare(text) != 0)
+            text = storeValue.trimmed();
+    }
+    textBox->setText(text);
+
+    if (_argument->tooltip != NULL)
+    {
+        textBox->setToolTip(QString().fromUtf8(_argument->tooltip));
+        buttonSelect->setToolTip(QString().fromUtf8(_argument->tooltip));
+    }
+
+    connect(buttonSelect, &QPushButton::clicked, this, &ExtcapArgumentFileSelection::openFileDialog);
+    connect(buttonClear, &QPushButton::clicked, this, &ExtcapArgumentFileSelection::clearFilename);
+
+    editLayout->addWidget(textBox);
+    editLayout->addWidget(buttonSelect);
+    editLayout->addWidget(buttonClear);
+
+    fileWidget->setLayout(editLayout);
+
+    return fileWidget;
+}
+
+QString ExtcapArgumentFileSelection::value()
+{
+    if (textBox == 0)
+        return QString();
+    return textBox->text();
+}
+
+/* opens the file dialog */
+void ExtcapArgumentFileSelection::openFileDialog()
+{
+    QString filename = textBox->text();
+
+    QDir workingDir = QDir::currentPath();
+    if (QFileInfo(filename).exists())
+        workingDir = QFileInfo(filename).dir();
+
+    QString fileExt(tr("All Files (" ALL_FILES_WILDCARD ")"));
+    if (_argument->fileextension != NULL)
+    {
+        QString givenExt = QString().fromUtf8(_argument->fileextension);
+        if (givenExt.length() != 0)
+            fileExt.prepend(";;").prepend(givenExt);
+    }
+
+    if (fileExists())
+    {
+        /* UI should check that the file exists */
+        filename = WiresharkFileDialog::getOpenFileName((QWidget*)(textBox->parent()),
+            QString().fromUtf8(_argument->display) + " " + tr("Open File"),
+            workingDir.absolutePath(), fileExt);
+    }
+    else
+    {
+        /* File might or might not exist. Actual overwrite handling is extcap specific
+         * (e.g. boolflag argument if user wants to always overwrite the file)
+         */
+        filename = WiresharkFileDialog::getSaveFileName((QWidget*)(textBox->parent()),
+            QString().fromUtf8(_argument->display) + " " + tr("Select File"),
+            workingDir.absolutePath(), fileExt, nullptr, QFileDialog::Option::DontConfirmOverwrite);
+    }
+
+    if (! filename.isEmpty() && (! fileExists() || QFileInfo(filename).exists()))
+    {
+        textBox->setText(filename);
+        emit valueChanged();
+    }
+}
+
+void ExtcapArgumentFileSelection::clearFilename()
+{
+    textBox->clear();
+    emit valueChanged();
+}
+
+bool ExtcapArgumentFileSelection::isValid()
+{
+    bool valid = false;
+
+    if (textBox->text().length() > 0)
+    {
+        if (_argument->fileexists)
+            valid = QFileInfo(textBox->text()).exists();
+        else
+            valid = true;
+    }
+    else if (! isRequired())
+        valid = true;
+
+    QString lblInvalidColor = ColorUtils::fromColorT(prefs.gui_text_invalid).name();
+    QString txtStyle("QLineEdit { background-color: %1; } ");
+    textBox->setStyleSheet(txtStyle.arg(valid ? QString("") : lblInvalidColor));
+
+    return valid;
+}
+
+void ExtcapArgumentFileSelection::setDefaultValue()
+{
+    clearFilename();
+}
+