extcap: Implement QT extcap options

 Implementing a button in the interface list, to bring up
 the extcap options dialog, as well as a dialog, which will
 be generated depending on the selected extcap options.

Change-Id: I1733dc6a8c1a121089a9c353aff10bc4a53e86de
Reviewed-on: https://code.wireshark.org/review/8224
Petri-Dish: Michal Labedzki <michal.labedzki@tieto.com>
Reviewed-by: Roland Knall <rknall@gmail.com>
Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>

1 files changed, 111 insertions, 0 deletions

diff --git a/ui/qt/extcap_argument_file.cpp b/ui/qt/extcap_argument_file.cpp
new file mode 100644
index 0000000000..370df9792d
--- /dev/null
+++ b/ui/qt/extcap_argument_file.cpp
@@ -0,0 +1,111 @@
+/* extcap_argument_file.cpp
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <extcap_argument.h>
+#include <extcap_argument_file.h>
+#include <QObject>
+#include <QWidget>
+#include <QLabel>
+#include <QLineEdit>
+#include <QBoxLayout>
+#include <QPushButton>
+#include <QFileDialog>
+#include <QDir>
+#include <QFileInfo>
+#include <QVariant>
+
+#include <extcap_parser.h>
+
+
+ExtcapArgumentFileSelection::ExtcapArgumentFileSelection (extcap_arg * argument) :
+    ExtcapArgument(argument), textBox(0)
+{
+    _default = new QVariant(QString(""));
+}
+
+QWidget * ExtcapArgumentFileSelection::createEditor(QWidget * parent)
+{
+    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 * button = new QPushButton("...", fileWidget);
+
+    textBox = new QLineEdit(_default->toString(), parent);
+    textBox->setReadOnly(true);
+
+    if ( _argument->default_complex != NULL && _argument->arg_type == EXTCAP_ARG_STRING )
+        textBox->setText(QString().fromUtf8(extcap_complex_get_string(_argument->default_complex)));
+
+    if ( _argument->tooltip != NULL )
+    {
+        textBox->setToolTip(QString().fromUtf8(_argument->tooltip));
+        button->setToolTip(QString().fromUtf8(_argument->tooltip));
+    }
+
+
+    connect(button, SIGNAL(clicked()), (QObject *)this, SLOT(openFileDialog()));
+
+    editLayout->addWidget(textBox);
+    editLayout->addWidget(button);
+
+    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();
+
+    filename = QFileDialog::getOpenFileName((QWidget *)(textBox->parent()),
+        QString().fromUtf8(_argument->display) + " " + tr("Open File"),
+        workingDir.absolutePath(), tr("All Files (*.*)"));
+
+    if ( QFileInfo(filename).exists() )
+        textBox->setText(filename);
+}
+
+/*
+ * Editor modelines
+ *
+ * Local Variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * ex: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */