Extract argument list to generic string list class and widget

To be used for http header support.

src/utils/string-list.cpp

@@ -0,0 +1,194 @@
+#include "string-list.hpp"
+#include "name-dialog.hpp"
+#include "utility.hpp"
+
+#include <QLayout>
+
+bool StringList::Save(obs_data_t *obj, const char *name,
+		      const char *elementName) const
+{
+	obs_data_array_t *strings = obs_data_array_create();
+	for (auto &string : *this) {
+		obs_data_t *array_obj = obs_data_create();
+		obs_data_set_string(array_obj, elementName,
+				    string.toStdString().c_str());
+		obs_data_array_push_back(strings, array_obj);
+		obs_data_release(array_obj);
+	}
+	obs_data_set_array(obj, name, strings);
+	obs_data_array_release(strings);
+	return true;
+}
+
+bool StringList::Load(obs_data_t *obj, const char *name,
+		      const char *elementName)
+{
+	clear();
+	obs_data_array_t *strings = obs_data_get_array(obj, name);
+	size_t count = obs_data_array_count(strings);
+	for (size_t i = 0; i < count; i++) {
+		obs_data_t *array_obj = obs_data_array_item(strings, i);
+		*this << QString::fromStdString(
+			obs_data_get_string(array_obj, elementName));
+		obs_data_release(array_obj);
+	}
+	obs_data_array_release(strings);
+	return true;
+}
+
+StringListEdit::StringListEdit(QWidget *parent, const QString &addString,
+			       const QString &addStringDescription)
+	: QWidget(parent),
+	  _list(new QListWidget()),
+	  _add(new QPushButton()),
+	  _remove(new QPushButton()),
+	  _up(new QPushButton()),
+	  _down(new QPushButton()),
+	  _addString(addString),
+	  _addStringDescription(addStringDescription)
+{
+	_add->setMaximumWidth(22);
+	_add->setProperty("themeID",
+			  QVariant(QString::fromUtf8("addIconSmall")));
+	_add->setFlat(true);
+	_remove->setMaximumWidth(22);
+	_remove->setProperty("themeID",
+			     QVariant(QString::fromUtf8("removeIconSmall")));
+	_remove->setFlat(true);
+	_up->setMaximumWidth(22);
+	_up->setProperty("themeID",
+			 QVariant(QString::fromUtf8("upArrowIconSmall")));
+	_up->setFlat(true);
+	_down->setMaximumWidth(22);
+	_down->setProperty("themeID",
+			   QVariant(QString::fromUtf8("downArrowIconSmall")));
+	_down->setFlat(true);
+
+	QWidget::connect(_add, SIGNAL(clicked()), this, SLOT(Add()));
+	QWidget::connect(_remove, SIGNAL(clicked()), this, SLOT(Remove()));
+	QWidget::connect(_up, SIGNAL(clicked()), this, SLOT(Up()));
+	QWidget::connect(_down, SIGNAL(clicked()), this, SLOT(Down()));
+	QWidget::connect(_list, SIGNAL(itemDoubleClicked(QListWidgetItem *)),
+			 this, SLOT(Clicked(QListWidgetItem *)));
+
+	auto controlLayout = new QHBoxLayout;
+	controlLayout->setContentsMargins(0, 0, 0, 0);
+	controlLayout->addWidget(_add);
+	controlLayout->addWidget(_remove);
+	QFrame *line = new QFrame();
+	line->setFrameShape(QFrame::VLine);
+	line->setFrameShadow(QFrame::Sunken);
+	controlLayout->addWidget(line);
+	controlLayout->addWidget(_up);
+	controlLayout->addWidget(_down);
+	controlLayout->addStretch();
+
+	auto mainLayout = new QVBoxLayout;
+	mainLayout->setContentsMargins(0, 0, 0, 0);
+	mainLayout->addWidget(_list);
+	mainLayout->addLayout(controlLayout);
+	setLayout(mainLayout);
+
+	setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
+}
+
+void StringListEdit::SetStringList(const StringList &list)
+{
+	_stringList = list;
+	_list->clear();
+	for (const auto &string : list) {
+		QListWidgetItem *item = new QListWidgetItem(string, _list);
+		item->setData(Qt::UserRole, string);
+	}
+	SetListSize();
+}
+
+void StringListEdit::Add()
+{
+	std::string name;
+	bool accepted = AdvSSNameDialog::AskForName(
+		this, _addString, _addStringDescription, name, "", 170, false);
+
+	if (!accepted || name.empty()) {
+		return;
+	}
+	auto string = QString::fromStdString(name);
+	QVariant v = QVariant::fromValue(string);
+	QListWidgetItem *item = new QListWidgetItem(string, _list);
+	item->setData(Qt::UserRole, string);
+
+	_stringList << string;
+	SetListSize();
+
+	StringListChanged(_stringList);
+}
+
+void StringListEdit::Remove()
+{
+	int idx = _list->currentRow();
+	if (idx == -1) {
+		return;
+	}
+	_stringList.removeAt(idx);
+
+	QListWidgetItem *item = _list->currentItem();
+	if (!item) {
+		return;
+	}
+	delete item;
+	SetListSize();
+
+	StringListChanged(_stringList);
+}
+
+void StringListEdit::Up()
+{
+	int idx = _list->currentRow();
+	if (idx != -1 && idx != 0) {
+		_list->insertItem(idx - 1, _list->takeItem(idx));
+		_list->setCurrentRow(idx - 1);
+
+		_stringList.move(idx, idx - 1);
+	}
+	StringListChanged(_stringList);
+}
+
+void StringListEdit::Down()
+{
+	int idx = _list->currentRow();
+	if (idx != -1 && idx != _list->count() - 1) {
+		_list->insertItem(idx + 1, _list->takeItem(idx));
+		_list->setCurrentRow(idx + 1);
+
+		_stringList.move(idx, idx + 1);
+	}
+	StringListChanged(_stringList);
+}
+
+void StringListEdit::Clicked(QListWidgetItem *item)
+{
+	std::string name;
+	bool accepted = AdvSSNameDialog::AskForName(this, _addString,
+						    _addStringDescription, name,
+						    item->text(), 170, false);
+
+	if (!accepted || name.empty()) {
+		return;
+	}
+
+	auto string = QString::fromStdString(name);
+	QVariant v = QVariant::fromValue(string);
+	item->setText(string);
+	item->setData(Qt::UserRole, string);
+	int idx = _list->currentRow();
+	_stringList[idx] = string;
+
+	StringListChanged(_stringList);
+}
+
+void StringListEdit::SetListSize()
+{
+	setHeightToContentHeight(_list);
+	adjustSize();
+	updateGeometry();
+}