Repo created

qt/popup_menu_holder.hpp

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+#pragma once
+
+#include <QtGui/QAction>
+#include <QtWidgets/QToolButton>
+
+#include <type_traits>
+#include <vector>
+
+namespace qt
+{
+/// Inherit from QObject to assign parents and don't worry about deleting.
+class PopupMenuHolder : public QObject
+{
+  Q_OBJECT
+
+  QToolButton * m_toolButton;
+
+  std::vector<QAction *> m_actions;
+
+  QAction * addActionImpl(QIcon const & icon, QString const & text, bool checkable);
+
+public:
+  explicit PopupMenuHolder(QObject * parent = nullptr);
+
+  QAction * addAction(QIcon const & icon, QString const & text, QObject const * receiver, char const * member,
+                      bool checkable)
+  {
+    QAction * p = addActionImpl(icon, text, checkable);
+    connect(p, SIGNAL(triggered()), receiver, member);
+    return p;
+  }
+
+  template <class SlotT>
+  QAction * addAction(QIcon const & icon, QString const & text, SlotT slot, bool checkable)
+  {
+    QAction * p = addActionImpl(icon, text, checkable);
+    connect(p, &QAction::triggered, std::move(slot));
+    return p;
+  }
+
+  QToolButton * create();
+  void setMainIcon(QIcon const & icon);
+
+  void setCurrent(size_t idx);
+  template <class T>
+  typename std::enable_if<std::is_enum<T>::value, void>::type setCurrent(T idx)
+  {
+    setCurrent(static_cast<size_t>(idx));
+  }
+
+  void setChecked(size_t idx, bool checked);
+
+  bool isChecked(size_t idx);
+  template <class T>
+  typename std::enable_if<std::is_enum<T>::value, bool>::type isChecked(T idx)
+  {
+    return isChecked(static_cast<size_t>(idx));
+  }
+};
+}  // namespace qt