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 /*
     SPDX-FileCopyrightText: 2008 Michael Jansen <kde@michael-jansen.biz>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #ifndef GLOBALSHORTCUTSREGISTRY_H
 #define GLOBALSHORTCUTSREGISTRY_H
 
 #include "kglobalaccel.h"
 
 #include "component.h"
 #include "kserviceactioncomponent.h"
 
 #include <KSharedConfig>
 
 #include <QDBusObjectPath>
 #include <QHash>
 #include <QKeySequence>
 #include <QObject>
 
 class Component;
 class GlobalShortcut;
 class KGlobalAccelInterface;
 
 /**
  * Global Shortcut Registry.
  *
  * Shortcuts are registered by component. A component is for example kmail or
  * amarok.
  *
  * A component can have contexts. Currently on plasma is planned to support
  * that feature. A context enables plasma to keep track of global shortcut
  * settings when switching containments.
  *
  * A shortcut (WIN+x) can be registered by one component only. The component
  * is allowed to register it more than once in different contexts.
  *
  * @author Michael Jansen <kde@michael-jansen.biz>
  */
 class GlobalShortcutsRegistry : public QObject
 {
     Q_OBJECT
 
     Q_CLASSINFO("D-Bus Interface", "org.kde.KdedGlobalAccel.GlobalShortcutsRegistry")
 
 public:
     /**
      * Use GlobalShortcutsRegistry::self()
      *
      * @internal
      */
     GlobalShortcutsRegistry();
     ~GlobalShortcutsRegistry() override;
 
     /**
      * Activate all shortcuts having their application present.
      */
     void activateShortcuts();
 
     /**
      * Returns a list of D-Bus paths of registered Components.
      *
      * The returned paths are absolute (i.e. no need to prepend anything).
      */
     QList<QDBusObjectPath> componentsDbusPaths() const;
 
     /**
      * Returns a list of QStringLists (one string list per registered component,
      * with each string list containing four strings, one for each enumerator in
      * KGlobalAccel::actionIdFields).
      */
     QList<QStringList> allComponentNames() const;
 
     /**
      * Return the root dbus path for the registry.
      */
     QDBusObjectPath dbusPath() const;
 
     /**
      * Deactivate all currently active shortcuts.
      */
     void deactivateShortcuts(bool temporarily = false);
 
     /**
      */
     Component *getComponent(const QString &uniqueName);
 
     /**
      * Get the shortcut corresponding to key. Active and inactive shortcuts
      * are considered. But if the matching application uses contexts only one
      * shortcut is returned.
      *
      * @see getShortcutsByKey(int key)
      */
     GlobalShortcut *getShortcutByKey(const QKeySequence &key, KGlobalAccel::MatchType type = KGlobalAccel::MatchType::Equal) const;
 
     /**
      * Get the shortcuts corresponding to key. Active and inactive shortcuts
      * are considered.
      *
      * @see getShortcutsByKey(int key)
      */
     QList<GlobalShortcut *> getShortcutsByKey(const QKeySequence &key, KGlobalAccel::MatchType type) const;
 
     /**
      * Checks if @p shortcut is available for @p component.
      *
      * It is available if not used by another component in any context or used
      * by @p component only in not active contexts.
      */
     bool isShortcutAvailable(const QKeySequence &shortcut, const QString &component, const QString &context) const;
 
     static GlobalShortcutsRegistry *self();
 
     bool registerKey(const QKeySequence &key, GlobalShortcut *shortcut);
 
     void setAccelManager(KGlobalAccelInterface *manager);
 
     void setDBusPath(const QDBusObjectPath &path);
 
     bool unregisterKey(const QKeySequence &key, GlobalShortcut *shortcut);
 
 public Q_SLOTS:
 
     void clear();
 
     void loadSettings();
 
     void writeSettings();
 
     // Grab the keys
     void grabKeys();
 
     // Ungrab the keys
     void ungrabKeys();
 
 private:
 
     friend class KGlobalAccelDPrivate;
     friend class Component;
     friend class KGlobalAccelInterface;
     friend class KGlobalAccelInterfaceV2;
 
     Component *createComponent(const QString &uniqueName, const QString &friendlyName);
     KServiceActionComponent *createServiceActionComponent(const QString &uniqueName, const QString &friendlyName);
 
     static void unregisterComponent(Component *component);
     using ComponentPtr = std::unique_ptr<Component, decltype(&unregisterComponent)>;
 
     Component *registerComponent(ComponentPtr component);
 
     // called by the implementation to inform us about key presses
     // returns true if the key was handled
     bool keyPressed(int keyQt);
     bool keyReleased(int keyQt);
 
     QHash<QKeySequence, GlobalShortcut *> _active_keys;
     QKeySequence _active_sequence;
     QHash<int, int> _keys_count;
 
     using ComponentVec = std::vector<ComponentPtr>;
     ComponentVec m_components;
     ComponentVec::const_iterator findByName(const QString &name) const
     {
         return std::find_if(m_components.cbegin(), m_components.cend(), [&name](const ComponentPtr &comp) {
             return comp->uniqueName() == name;
         });
     }
 
     KGlobalAccelInterface *_manager = nullptr;
 
     mutable KConfig _config;
 
     QDBusObjectPath _dbusPath;
     GlobalShortcut *m_lastShortcut = nullptr;
 };
 
 #endif /* #ifndef GLOBALSHORTCUTSREGISTRY_H */