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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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, 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 KDECORE_EXPORT 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 KDECORE_EXPORT 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
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