Adding upstream version 4.2.2.upstream/4.2.2

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

1 files changed, 230 insertions, 0 deletions

diff --git a/ui/qt/extcap_argument_multiselect.cpp b/ui/qt/extcap_argument_multiselect.cpp
new file mode 100644
index 00000000..6f816b98
--- /dev/null
+++ b/ui/qt/extcap_argument_multiselect.cpp
@@ -0,0 +1,230 @@
+/* extcap_argument_multiselect.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 <QObject>
+#include <QWidget>
+#include <QLabel>
+#include <QLineEdit>
+#include <QBoxLayout>
+#include <QPushButton>
+#include <QVariant>
+
+#include <epan/prefs.h>
+#include <ui/qt/utils/color_utils.h>
+
+#include <extcap_parser.h>
+#include <extcap_argument_multiselect.h>
+
+ExtArgMultiSelect::ExtArgMultiSelect(extcap_arg * argument, QObject *parent) :
+        ExtcapArgument(argument, parent), treeView(0), viewModel(0) {}
+
+ExtArgMultiSelect::~ExtArgMultiSelect()
+{
+    if (treeView != 0)
+        delete treeView;
+    if (viewModel != 0)
+        delete viewModel;
+}
+
+QList<QStandardItem *> ExtArgMultiSelect::valueWalker(ExtcapValueList list, QStringList &defaults)
+{
+    ExtcapValueList::iterator iter = list.begin();
+    QList<QStandardItem *> items;
+
+    while (iter != list.end())
+    {
+        QStandardItem * item = new QStandardItem((*iter).value());
+        if ((*iter).enabled() == false)
+        {
+            item->setCheckable(false);
+        }
+        else
+        {
+            item->setCheckable(true);
+        }
+
+        item->setData((*iter).call(), Qt::UserRole);
+        if ((*iter).isDefault())
+            defaults << (*iter).call();
+
+        item->setSelectable(false);
+        item->setEditable(false);
+        QList<QStandardItem *> childs = valueWalker((*iter).children(), defaults);
+        if (childs.length() > 0)
+            item->appendRows(childs);
+
+        items << item;
+        ++iter;
+    }
+
+    return items;
+}
+
+void ExtArgMultiSelect::checkItemsWalker(QStandardItem * item, QStringList defaults)
+{
+    QModelIndexList results;
+    QModelIndex index;
+
+    if (item->hasChildren())
+    {
+        for (int row = 0; row < item->rowCount(); row++)
+        {
+            QStandardItem * child = item->child(row);
+            if (child != 0)
+            {
+                checkItemsWalker(child, defaults);
+            }
+        }
+    }
+
+    QString data = item->data(Qt::UserRole).toString();
+
+    if (defaults.contains(data))
+    {
+        item->setCheckState(Qt::Checked);
+        index = item->index();
+        while (index.isValid())
+        {
+            treeView->setExpanded(index, true);
+            index = index.parent();
+        }
+    } else if (item->isCheckable()) {
+        item->setCheckState(Qt::Unchecked);
+    }
+}
+
+QWidget * ExtArgMultiSelect::createEditor(QWidget * parent)
+{
+    QStringList checked;
+
+    QList<QStandardItem *> items = valueWalker(values, checked);
+    if (items.length() == 0)
+        return new QWidget();
+
+    /* Value can be empty if no items are checked */
+    if (_argument->pref_valptr && (*_argument->pref_valptr))
+    {
+#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
+        checked = QString(*_argument->pref_valptr).split(",", Qt::SkipEmptyParts);
+#else
+        checked = QString(*_argument->pref_valptr).split(",", QString::SkipEmptyParts);
+#endif
+    }
+
+    viewModel = new QStandardItemModel();
+    QList<QStandardItem *>::const_iterator iter = items.constBegin();
+    while (iter != items.constEnd())
+    {
+        ((QStandardItemModel *)viewModel)->appendRow((*iter));
+        ++iter;
+    }
+
+    treeView = new QTreeView(parent);
+    treeView->setModel(viewModel);
+
+    /* Shows at minimum 6 entries at most desktops */
+    treeView->setMinimumHeight(100);
+    treeView->setHeaderHidden(true);
+    treeView->setSelectionMode(QAbstractItemView::ExtendedSelection);
+    treeView->setEditTriggers(QAbstractItemView::NoEditTriggers);
+
+    for (int row = 0; row < viewModel->rowCount(); row++)
+        checkItemsWalker(((QStandardItemModel*)viewModel)->item(row), checked);
+
+    connect (viewModel,
+            SIGNAL(itemChanged(QStandardItem *)),
+            SLOT(itemChanged(QStandardItem *)));
+
+    return treeView;
+}
+
+QString ExtArgMultiSelect::value()
+{
+    if (viewModel == 0)
+        return QString();
+
+    QStringList result;
+    QModelIndexList checked = viewModel->match(viewModel->index(0, 0), Qt::CheckStateRole, Qt::Checked, -1, Qt::MatchExactly | Qt::MatchRecursive);
+    if (checked.size() <= 0)
+        return QString();
+
+    QModelIndexList::const_iterator iter = checked.constBegin();
+    while (iter != checked.constEnd())
+    {
+        QModelIndex index = (QModelIndex)(*iter);
+
+        result << viewModel->data(index, Qt::UserRole).toString();
+
+        ++iter;
+    }
+
+    return result.join(QString(','));
+}
+
+void ExtArgMultiSelect::itemChanged(QStandardItem *)
+{
+    emit valueChanged();
+}
+
+bool ExtArgMultiSelect::isValid()
+{
+    bool valid = true;
+
+    if (isRequired())
+    {
+        if (viewModel == 0)
+            valid = false;
+        else
+        {
+            QModelIndexList checked = viewModel->match(viewModel->index(0, 0), Qt::CheckStateRole, Qt::Checked, -1, Qt::MatchExactly | Qt::MatchRecursive);
+            if (checked.size() <= 0)
+                valid = false;
+        }
+    }
+
+    QString lblInvalidColor = ColorUtils::fromColorT(prefs.gui_text_invalid).name();
+    QString txtStyle("QTreeView { background-color: %1; } ");
+    if (viewModel != 0)
+        treeView->setStyleSheet(txtStyle.arg(valid ? QString("") : lblInvalidColor));
+
+    return valid;
+}
+
+QString ExtArgMultiSelect::defaultValue()
+{
+    QStringList checked;
+
+    QList<QStandardItem *> items = valueWalker(values, checked);
+
+    return checked.join(QString(','));
+}
+
+bool ExtArgMultiSelect::isSetDefaultValueSupported()
+{
+    return TRUE;
+}
+
+void ExtArgMultiSelect::setDefaultValue()
+{
+    QStringList checked;
+
+#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
+    checked = defaultValue().split(",", Qt::SkipEmptyParts);
+#else
+    checked = defaultValue().split(",", QString::SkipEmptyParts);
+#endif
+    for (int row = 0; row < viewModel->rowCount(); row++)
+        checkItemsWalker(((QStandardItemModel*)viewModel)->item(row), checked);
+}
+