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+/* This file is part of the KDE libraries
+ Copyright (C) 2001,2002 Ellis Whitehead <ellis@kde.org>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+#ifndef _KACCELACTION_H
+#define _KACCELACTION_H
+
+#include <qmap.h>
+#include <qptrvector.h>
+#include <qstring.h>
+#include <qvaluevector.h>
+
+#include <kshortcut.h>
+
+class KAccelBase;
+
+class QObject;
+class KConfig;
+class KConfigBase;
+
+/**
+ * @internal
+ * A KAccelAction prepresents an action that can be executed using
+ * an accelerator key. Each KAccelAction has a name, a label, a
+ * "What's this" string and a KShortcut. The user can configure and
+ * enable/disable them using KKeyDialog.
+ *
+ * \code
+ * 1) KAccelAction = "Run Command"
+ * Default3 = "Alt+F2"
+ * Default4 = "Meta+Enter;Alt+F2"
+ * 1) KShortcut = "Meta+Enter"
+ * 1) KKeySequence = "Meta+Enter"
+ * 1) KKey = "Meta+Enter"
+ * 1) Meta+Enter
+ * 2) Meta+Keypad_Enter
+ * 2) KShortcut = "Alt+F2"
+ * 1) KKeySequence = "Alt+F2"
+ * 1) Alt+F2
+ * 2) KAccelAction = "Something"
+ * Default3 = ""
+ * Default4 = ""
+ * 1) KShortcut = "Meta+X,Asterisk"
+ * 1) KKeySequence = "Meta+X,Asterisk"
+ * 1) KKey = "Meta+X"
+ * 1) Meta+X
+ * 2) KKey = "Asterisk"
+ * 1) Shift+8 (English layout)
+ * 2) Keypad_Asterisk
+ * \endcode
+ * @short An accelerator action
+ * @see KAccel
+ * @see KGlobalAccel
+ * @see KKeyChooser
+ * @see KKeyDialog
+ */
+class KAccelAction
+{
+ public:
+ /**
+ * Creates an empty KAccelAction.
+ * @see clear()
+ */
+ KAccelAction();
+
+ /**
+ * Copy constructor.
+ */
+ KAccelAction( const KAccelAction& );
+
+ /**
+ * Creates a new KAccelAction.
+ * @param sName the name of the accelerator
+ * @param sLabel the label of the accelerator (i18n!)
+ * @param sWhatsThis the What's This text (18n!)
+ * @param cutDef3 the default shortcut for 3 modifier systems
+ * @param cutDef4 the default shortcut for 4 modifier systems
+ * @param pObjSlot the receiver of a signal when the key has been
+ * pressed
+ * @param psMethodSlot the slot to connect for key presses. Receives
+ * an int, as set by setID(), as only argument
+ * @param bConfigurable if true the user can configure the shortcut
+ * @param bEnabled true if the accelerator should be enabled
+ */
+ KAccelAction( const QString& sName, const QString& sLabel, const QString& sWhatsThis,
+ const KShortcut& cutDef3, const KShortcut& cutDef4,
+ const QObject* pObjSlot, const char* psMethodSlot,
+ bool bConfigurable, bool bEnabled );
+ ~KAccelAction();
+
+ /**
+ * Clears the accelerator.
+ */
+ void clear();
+
+ /**
+ * Re-initialized the KAccelAction.
+ * @param sName the name of the accelerator
+ * @param sLabel the label of the accelerator (i18n!)
+ * @param sWhatsThis the What's This text (18n!)
+ * @param cutDef3 the default shortcut for 3 modifier systems
+ * @param cutDef4 the default shortcut for 4 modifier systems
+ * @param pObjSlot the receiver of a signal when the key has been
+ * pressed
+ * @param psMethodSlot the slot to connect for key presses. Receives
+ * an int, as set by setID(), as only argument
+ * @param bConfigurable if true the user can configure the shortcut
+ * @param bEnabled true if the accelerator should be enabled
+ * @return true if successful, false otherwise
+ */
+ bool init( const QString& sName, const QString& sLabel, const QString& sWhatsThis,
+ const KShortcut& cutDef3, const KShortcut& cutDef4,
+ const QObject* pObjSlot, const char* psMethodSlot,
+ bool bConfigurable, bool bEnabled );
+
+ /**
+ * Copies this KAccelAction.
+ */
+ KAccelAction& operator=( const KAccelAction& );
+
+ /**
+ * Returns the name of the accelerator action.
+ * @return the name of the accelerator action, can be null if not
+ * set
+ */
+ const QString& name() const { return m_sName; }
+
+ /**
+ * Returns the label of the accelerator action.
+ * @return the label of the accelerator action, can be null if
+ * not set
+ */
+ const QString& label() const { return m_sLabel; }
+
+ /**
+ * Returns the What's This text of the accelerator action.
+ * @return the What's This text of the accelerator action, can be
+ * null if not set
+ */
+ const QString& whatsThis() const { return m_sWhatsThis; }
+
+ /**
+ * The shortcut that is actually used (may be used configured).
+ * @return the shortcut of the KAccelAction, can be null if not set
+ * @see shortcutDefault()
+ */
+ const KShortcut& shortcut() const { return m_cut; }
+
+ /**
+ * The default shortcut for this system.
+ * @return the default shortcut on this system, can be null if not set
+ * @see shortcut()
+ * @see shortcutDefault3()
+ * @see shortcutDefault4()
+ */
+ const KShortcut& shortcutDefault() const;
+
+ /**
+ * The default shortcut for 3 modifier systems.
+ * @return the default shortcut for 3 modifier systems, can be null
+ * if not set
+ * @see shortcutDefault()
+ * @see shortcutDefault4()
+ * @see useFourModifierKeys()
+ */
+ const KShortcut& shortcutDefault3() const { return m_cutDefault3; }
+
+ /**
+ * The default shortcut for 4 modifier systems.
+ * @return the default shortcut for 4 modifier systems, can be null
+ * if not set
+ * @see shortcutDefault()
+ * @see shortcutDefault3()
+ * @see useFourModifierKeys()
+ */
+ const KShortcut& shortcutDefault4() const { return m_cutDefault4; }
+
+ /**
+ * Returns the receiver of signals.
+ * @return the receiver of signals (can be 0 if not set)
+ */
+ const QObject* objSlotPtr() const { return m_pObjSlot; }
+
+ /**
+ * Returns the slot for the signal.
+ * @return the slot for the signal
+ */
+ const char* methodSlotPtr() const { return m_psMethodSlot; }
+
+ /**
+ * Checks whether the user can configure the action.
+ * @return true if configurable, false otherwise
+ */
+ bool isConfigurable() const { return m_bConfigurable; }
+
+ /**
+ * Checks whether the action is enabled.
+ * @return true if enabled, false otherwise
+ */
+ bool isEnabled() const { return m_bEnabled; }
+
+ /**
+ * Sets the name of the accelerator action.
+ * @param name the new name
+ */
+ void setName( const QString& name );
+
+ /**
+ * Sets the user-readable label of the accelerator action.
+ * @param label the new label (i18n!)
+ */
+ void setLabel( const QString& label );
+
+ /**
+ * Sets the What's This text for the accelerator action.
+ * @param whatsThis the new What's This text (i18n!)
+ */
+ void setWhatsThis( const QString& whatsThis );
+
+ /**
+ * Sets the new shortcut of the accelerator action.
+ * @param rgCuts the shortcut to set
+ * @return true if successful, false otherwise
+ */
+ bool setShortcut( const KShortcut& rgCuts );
+
+ /**
+ * Sets the slot of the accelerator action.
+ * @param pObjSlot the receiver object of the signal
+ * @param psMethodSlot the slot for the signal
+ */
+ void setSlot( const QObject* pObjSlot, const char* psMethodSlot );
+
+ /**
+ * Enables or disabled configuring the action.
+ * @param configurable true to enable configurability, false to disable
+ */
+ void setConfigurable( bool configurable );
+
+ /**
+ * Enables or disabled the action.
+ * @param configurable true to enable the action, false to disable
+ */
+ void setEnabled( bool enable );
+
+ /**
+ * Retrieves the id set using setID.
+ * @return the id of the accelerator action
+ */
+ int getID() const { return m_nIDAccel; }
+
+ /**
+ * Allows you to set an id that will be used as the action
+ * signal's argument.
+ *
+ * @param n the new id
+ * @see getID()
+ */
+ void setID( int n ) { m_nIDAccel = n; }
+
+ /**
+ * Checkes whether the action is connected (emits signals).
+ * @return true if connected, false otherwise
+ */
+ bool isConnected() const;
+
+ /**
+ * Sets a key sequence of the action's shortcut.
+ * @param i the position of the sequence
+ * @param keySeq the new new sequence
+ * @return true if successful, false otherwise
+ * @see KShortcut::setSeq()
+ */
+ bool setKeySequence( uint i, const KKeySequence &keySeq );
+
+ /**
+ * Clears the action's shortcut. It will not contain any sequences after
+ * calling this method.
+ * @see KShortcut::clear()
+ */
+ void clearShortcut();
+
+ /**
+ * Checks whether the action's shortcut contains the given key sequence.
+ * @param keySeq the key sequence to check
+ * @return true if the shortcut contains the given sequence
+ * @see KShortcut::contains()
+ */
+ bool contains( const KKeySequence &keySeq );
+
+ /**
+ * Returns the string representation of the action's shortcut.
+ * @return the string representation of the action's shortcut.
+ * @see KShortcut::toString()
+ */
+ QString toString() const;
+
+ /**
+ * @internal
+ */
+ QString toStringInternal() const;
+
+ /**
+ * Returns true if four modifier keys will be used.
+ * @return true if four modifier keys will be used.
+ */
+ static bool useFourModifierKeys();
+
+ /**
+ * Selects 3 or 4 modifier default shortcuts.
+ * @param use true to use 4 modifier shortcuts, false to use
+ * 3 modifier shortcuts
+ */
+ static void useFourModifierKeys( bool use );
+
+ protected:
+ QString m_sName,
+ m_sLabel,
+ m_sWhatsThis;
+ KShortcut m_cut;
+ KShortcut m_cutDefault3, m_cutDefault4;
+ const QObject* m_pObjSlot;
+ const char* m_psMethodSlot;
+ bool m_bConfigurable,
+ m_bEnabled;
+ int m_nIDAccel;
+ uint m_nConnections;
+
+ void incConnections();
+ void decConnections();
+
+ private:
+ static int g_bUseFourModifierKeys;
+ class KAccelActionPrivate* d;
+
+ friend class KAccelActions;
+ friend class KAccelBase;
+};
+
+//---------------------------------------------------------------------
+// KAccelActions
+//---------------------------------------------------------------------
+
+/**
+ * @internal
+ * This class represents a collection of KAccelAction objects.
+ *
+ * @short A collection of accelerator actions
+ * @see KAccelAction
+ */
+class KAccelActions
+{
+ public:
+ /**
+ * Creates a new, empty KAccelActions object.
+ */
+ KAccelActions();
+
+ /**
+ * Copy constructor (deep copy).
+ */
+ KAccelActions( const KAccelActions& );
+ virtual ~KAccelActions();
+
+ /**
+ * Removes all items from this collection.
+ */
+ void clear();
+
+ /**
+ * Initializes this object with the given actions.
+ * It will make a deep copy of all actions.
+ * @param actions the actions to copy
+ * @return true if successful, false otherwise
+ */
+ bool init( const KAccelActions &actions );
+
+ /**
+ * Loads the actions from the given configuration file.
+ *
+ * @param config the configuration file to load from
+ * @param sGroup the group in the configuration file
+ * @return true if successful, false otherwise
+ */
+ bool init( KConfigBase& config, const QString& sGroup );
+
+ /**
+ * Updates the shortcuts of all actions in this object
+ * with the shortcuts from the given object.
+ * @param shortcuts the collection that contains the new
+ * shortcuts
+ */
+ void updateShortcuts( KAccelActions &shortcuts );
+
+ /**
+ * Retrieves the index of the action with the given name.
+ * @param sAction the action to search
+ * @return the index of the action, or -1 if not found
+ */
+ int actionIndex( const QString& sAction ) const;
+
+ /**
+ * Returns the action with the given @p index.
+ * @param index the index of an action. You must not
+ * use an index that is too high.
+ * @return the KAccelAction with the given index
+ * @see count()
+ */
+ KAccelAction* actionPtr( uint index );
+
+ /**
+ * Returns the action with the given @p index.
+ * @param index the index of an action. You must not
+ * use an index that is too high.
+ * @return the KAccelAction with the given index
+ * @see count()
+ */
+ const KAccelAction* actionPtr( uint index ) const;
+
+ /**
+ * Returns the action with the given name.
+ * @param aAction the name of the action to search
+ * @return the KAccelAction with the given name, or 0
+ * if not found
+ */
+ KAccelAction* actionPtr( const QString& sAction );
+
+ /**
+ * Returns the action with the given name.
+ * @param aAction the name of the action to search
+ * @return the KAccelAction with the given name, or 0
+ * if not found
+ */
+ const KAccelAction* actionPtr( const QString& sAction ) const;
+
+ /**
+ * Returns the action with the given key sequence.
+ * @param cut the sequence to search for
+ * @return the KAccelAction with the given sequence, or 0
+ * if not found
+ */
+ KAccelAction* actionPtr( KKeySequence cut );
+
+ /**
+ * Returns the action with the given @p index.
+ * @param index the index of an action. You must not
+ * use an index that is too high.
+ * @return the KAccelAction with the given index
+ * @see actionPtr()
+ * @see count()
+ */
+ KAccelAction& operator []( uint index );
+
+ /**
+ * Returns the action with the given @p index.
+ * @param index the index of an action. You must not
+ * use an index that is too high.
+ * @return the KAccelAction with the given index
+ * @see actionPtr()
+ * @see count()
+ */
+ const KAccelAction& operator []( uint index ) const;
+
+ /**
+ * Inserts an action into the collection.
+ * @param sName the name of the accelerator
+ * @param sLabel the label of the accelerator (i18n!)
+ * @param sWhatsThis the What's This text (18n!)
+ * @param cutDef3 the default shortcut for 3 modifier systems
+ * @param cutDef4 the default shortcut for 4 modifier systems
+ * @param pObjSlot the receiver of a signal when the key has been
+ * pressed
+ * @param psMethodSlot the slot to connect for key presses. Receives
+ * an int, as set by setID(), as only argument
+ * @param bConfigurable if true the user can configure the shortcut
+ * @param bEnabled true if the accelerator should be enabled
+ * @return the new action
+ */
+ KAccelAction* insert( const QString& sAction, const QString& sLabel, const QString& sWhatsThis,
+ const KShortcut& rgCutDefaults3, const KShortcut& rgCutDefaults4,
+ const QObject* pObjSlot = 0, const char* psMethodSlot = 0,
+ bool bConfigurable = true, bool bEnabled = true );
+
+ /**
+ * Inserts an action into the collection.
+ * @param sName the name of the accelerator
+ * @param sLabel the label of the accelerator (i18n!)
+ * @return the new action
+ */
+ KAccelAction* insert( const QString& sName, const QString& sLabel );
+
+ /**
+ * Removes the given action.
+ * @param sAction the name of the action.
+ * @return true if successful, false otherwise
+ */
+ bool remove( const QString& sAction );
+
+ /**
+ * Loads the actions from the given configuration file.
+ *
+ * @param sConfigGroup the group in the configuration file
+ * @param pConfig the configuration file to load from
+ * @return true if successful, false otherwise
+ */
+ bool readActions( const QString& sConfigGroup = "Shortcuts", KConfigBase* pConfig = 0 );
+
+ /**
+ * Writes the actions to the given configuration file.
+ *
+ * @param sConfigGroup the group in the configuration file
+ * @param pConfig the configuration file to save to
+ * @param bWriteAll true to write all actions
+ * @param bGlobal true to write to the global configuration file
+ * @return true if successful, false otherwise
+ */
+ bool writeActions( const QString& sConfigGroup = "Shortcuts", KConfigBase* pConfig = 0,
+ bool bWriteAll = false, bool bGlobal = false ) const;
+
+ /**
+ * Emit a keycodeChanged signal.
+ */
+ void emitKeycodeChanged();
+
+ /**
+ * Returns the number of actions in the collection.
+ * @return the number of actions
+ */
+ uint count() const;
+
+ protected:
+ KAccelBase* m_pKAccelBase;
+ KAccelAction** m_prgActions;
+ uint m_nSizeAllocated, m_nSize;
+
+ void resize( uint );
+ void insertPtr( KAccelAction* );
+
+ private:
+ class KAccelActionsPrivate* d;
+
+ KAccelActions( KAccelBase* );
+ void initPrivate( KAccelBase* );
+ KAccelActions& operator =( KAccelActions& );
+
+ friend class KAccelBase;
+};
+
+#endif // _KACCELACTION_H