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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 _KGLOBALACCEL_H_
#define _KGLOBALACCEL_H_
#include <tqobject.h>
#include <kshortcut.h>
class TQPopupMenu;
class TQWidget;
class KAccelAction;
class KAccelActions;
class KConfigBase;
class KGlobalAccelPrivate;
/**
* KGlobalAccel allows you to have global accelerators that are independent of
* the focused window. Unlike KAccel it does not matter which window is
* currently active.
*
* @see KAccel
* @see KAccelShortcutList
* @see KKeyChooser
* @see KKeyDialog
* @short Configurable global shortcut support
*/
class KDECORE_EXPORT KGlobalAccel : public QObject
{
Q_OBJECT
public:
/**
* Creates a new KGlobalAccel object with the given pParent and
* psName.
* @param pParent the parent of the QObject
* @param psName the name of the QObject
*/
KGlobalAccel( TQObject* pParent, const char* psName = 0 );
virtual ~KGlobalAccel();
/**
* Checks whether the accelerators are enabled.
* @return true if the KGlobalAccel is enabled
*/
bool isEnabled();
/**
* Enables or disables the KGlobalAccel
* @param bEnabled true if the KGlobalAccel should be enabled, false if it
* should be disabled.
*/
void setEnabled( bool bEnabled );
/**
* Create an accelerator action.
*
* Usage:
*\code
* insert( "Do Something", i18n("Do Something"),
* i18n("This action allows you to do something really great with this program to "
* "the currently open document."),
* ALT+CTRL+Key_Q, KKey::QtWIN+CTRL+Key_Q, this, TQT_SLOT(slotDoSomething()) );
*\endcode
*
* @param sAction The internal name of the action.
* @param sLabel An i18n'ized short description of the action displayed when
* using KKeyChooser to reconfigure the shortcuts.
* @param sWhatsThis An extended description of the action.
* @param cutDef3 The default 3 modifier scheme shortcut.
* @param cutDef4 The default 4 modifier scheme shortcut.
* @param pObjSlot Pointer to the slot object.
* @param psMethodSlot Pointer to the slot method.
* @param bConfigurable Allow the user to change this shortcut if set to 'true'.
* @param bEnabled The action will be activated by the shortcut if set to 'true'.
*/
KAccelAction* insert( const TQString& sAction, const TQString& sLabel, const TQString& sWhatsThis,
const KShortcut& cutDef3, const KShortcut& cutDef4,
const TQObject* pObjSlot, const char* psMethodSlot,
bool bConfigurable = true, bool bEnabled = true );
/**
* Removes the accelerator action identified by the name.
* Remember to also call updateConnections().
* @param sAction the name of the action to remove
* @since 3.1
*/
bool remove( const TQString& sAction );
/**
* Use this to insert a label into the action list. This will be
* displayed when the user configures shortcuts.
* @param sName of the of the action to insert
* @param sLabel a user-readable (i18n!) name for the action
* @return the KAccelAction of the action
*/
KAccelAction* insert( const TQString& sName, const TQString& sLabel );
/**
* Updates the connections of the accelerations after changing them.
* @return true if successful, false otherwise
*/
bool updateConnections();
/**
* Return the shortcut associated with the action named by @p sAction.
* @param sAction the name of the action
* @return the shortcut. If the action does not exist a null shortcut will be returned.
*/
const KShortcut& shortcut( const TQString& sAction ) const;
/**
* Set the shortcut to be associated with the action named by @p sAction.
* @param sAction the name of the action
* @param shortcut the shortcut for the action
* @return true if successful, false otherwise
*/
bool setShortcut( const TQString& sAction, const KShortcut &shortcut );
/**
* Set the slot to be called when the shortcut of the action named
* by @p sAction is pressed.
* @param sAction the name of the action
* @param pObjSlot the receiver of the signal
* @param psMethodSlot the slot to receive the signal
* @return true if successful, false otherwise
*/
bool setSlot( const TQString& sAction, const TQObject* pObjSlot, const char* psMethodSlot );
/**
* Enables or disables action @p sAction.
* @since 3.4
*/
bool setActionEnabled( const TQString& sAction, bool bEnable );
/**
* Return the label (i18n'ized short description) associated with the action named by @p sAction.
* @param sAction the name of the action
* @return the label
* @since 3.3
*/
TQString label( const TQString& sAction ) const;
/**
* Returns the configuration group that is used to save the accelerators.
* @return the configuration group
* @see KConfig
*/
const TQString& configGroup() const;
/**
* Sets the configuration group that is used to save the accelerators.
* @param cg the configuration group
* @see KConfig
*/
void setConfigGroup( const TQString &cg );
/**
* Read all shortcuts from @p pConfig, or (if @p pConfig
* is zero) from the application's configuration file
* KGlobal::config().
* @param pConfig the configuration file to read from, or 0 for the application
* configuration file
* @return true if successful, false otherwise
*/
bool readSettings( KConfigBase* pConfig = 0 );
/**
* Write the current shortcuts to @p pConfig,
* or (if @p pConfig is zero) to the application's
* configuration file.
* @param pConfig the configuration file to read from, or 0 for the application
* configuration file
* @return true if successful, false otherwise
* @since 3.1
*/
bool writeSettings( KConfigBase* pConfig = 0 ) const;
// BCI: merge these two writeSettings methods in KDE 4.0
/**
* Write the current shortcuts to @p pConfig,
* or (if @p pConfig is zero) to the application's
* configuration file. Alternatively, if bGlobal is true, then write
* to kdeglobals.
* @param pConfig the configuration file to read from, or 0 for the application
* configuration file
* @param bGlobal if true write the configuration to the kde global settings
* @return true if successful, false otherwise
*/
bool writeSettings( KConfigBase* pConfig, bool bGlobal ) const;
/**
* @internal -- this a wrapper function to
* KAccelActions::useFourModifierKeys().
*/
static bool useFourModifierKeys();
/**
* @internal
*/
static void blockShortcuts( bool block );
/**
* @internal
*/
void disableBlocking( bool disable );
/**
* @internal
*/
// like setEnabled(), but doesn't ungrab (see in KGlobalAccelPrivate)
void suspend( bool s );
private:
KAccelActions& actions();
const KAccelActions& actions() const;
friend class KGlobalAccelPrivate;
friend class KAccelShortcutList;
protected:
/** \internal */
virtual void virtual_hook( int id, void* data );
private:
class KGlobalAccelPrivate* d;
};
#endif // _KGLOBALACCEL_H_
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