Move DolphinQt2 to DolphinQt

Source/Core/DolphinQt/SearchBar.cpp

@@ -0,0 +1,53 @@
+// Copyright 2018 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include "DolphinQt/SearchBar.h"
+
+#include <QHBoxLayout>
+#include <QLineEdit>
+#include <QPushButton>
+
+SearchBar::SearchBar(QWidget* parent) : QWidget(parent)
+{
+  CreateWidgets();
+  ConnectWidgets();
+
+  setFixedHeight(32);
+
+  setHidden(true);
+}
+
+void SearchBar::CreateWidgets()
+{
+  m_search_edit = new QLineEdit;
+  m_close_button = new QPushButton(tr("Close"));
+
+  m_search_edit->setPlaceholderText(tr("Search games..."));
+
+  auto* layout = new QHBoxLayout;
+
+  layout->addWidget(m_search_edit);
+  layout->addWidget(m_close_button);
+  layout->setSizeConstraint(QLayout::SetMinAndMaxSize);
+
+  setLayout(layout);
+}
+
+void SearchBar::Toggle()
+{
+  m_search_edit->clear();
+
+  setHidden(isVisible());
+
+  if (isVisible())
+    m_search_edit->setFocus();
+  else
+    m_search_edit->clearFocus();
+}
+
+void SearchBar::ConnectWidgets()
+{
+  connect(m_search_edit, &QLineEdit::textChanged, this, &SearchBar::Search);
+  connect(m_close_button, &QPushButton::pressed, this, &SearchBar::Toggle);
+}