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#ifndef SCIQLOP_MENUBUILDER_H
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#define SCIQLOP_MENUBUILDER_H
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#include <QLoggingCategory>
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#include <QMenu>
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#include <QStack>
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Q_DECLARE_LOGGING_CATEGORY(LOG_MenuBuilder)
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/// Helper assigned to build a hierarchical menu
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class MenuBuilder {
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public:
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/**
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* Ctor
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* @param menu the parent menu
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*/
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explicit MenuBuilder(QMenu *menu);
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/**
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* Adds action to the current menu
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* @param actionName the name of the action
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* @param actionFunction the function that will be executed when the action is triggered
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*/
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template <typename ActionFun>
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void addAction(const QString &actionName, ActionFun actionFunction);
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/**
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* Adds a new menu to the current menu and returns it
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* @param name the name of the menu
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* @param icon the icon of the menu (can be null)
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* @returns the created menu, nullptr if it couldn't be created
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*/
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QMenu *addMenu(const QString &name, const QIcon &icon = {});
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/// Adds a separator to the current menu. The separator is added only if the menu already
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/// contains entries
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void addSeparator();
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/// Closes the current menu
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void closeMenu();
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private:
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/// @return the current menu (i.e. the top menu of the stack), nullptr if there is no menu
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QMenu *currentMenu() const;
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/// Stack of all menus currently opened
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QStack<QMenu *> m_Menus{};
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};
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template <typename ActionFun>
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void MenuBuilder::addAction(const QString &actionName, ActionFun actionFunction)
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{
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if (auto currMenu = currentMenu()) {
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currMenu->addAction(actionName, actionFunction);
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}
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else {
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qCCritical(LOG_MenuBuilder()) << QObject::tr("No current menu to attach the action");
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}
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}
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#endif // SCIQLOP_MENUBUILDER_H
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