kdecore Library API Documentation

kaccelbase.h

00001 /* This file is part of the KDE libraries
00002     Copyright (C) 2001 Ellis Whitehead <ellis@kde.org>
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public License
00015     along with this library; see the file COPYING.LIB.  If not, write to
00016     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00017     Boston, MA 02111-1307, USA.
00018 */
00019 
00020 #ifndef _KACCELBASE_H
00021 #define _KACCELBASE_H
00022 
00023 #include <qmap.h>
00024 #include <qptrvector.h>
00025 #include <qstring.h>
00026 #include <qvaluevector.h>
00027 #include <qvaluelist.h>
00028 
00029 #include "kaccelaction.h"
00030 #include "kkeyserver_x11.h"
00031 
00032 class QPopupMenu;
00033 class QWidget;
00034 
00035 //----------------------------------------------------
00036 
00122 class KAccelBase
00123 {
00124  public:
00125     enum Init { QT_KEYS = 0x00, NATIVE_KEYS = 0x01 };
00126     enum Signal { KEYCODE_CHANGED };
00127 
00128     KAccelBase( int fInitCode );
00129     virtual ~KAccelBase();
00130 
00131     uint actionCount() const;
00132     KAccelActions& actions();
00133     bool isEnabled() const;
00134 
00135     KAccelAction* actionPtr( const QString& sAction );
00136     const KAccelAction* actionPtr( const QString& sAction ) const;
00137     KAccelAction* actionPtr( const KKey& key );
00138     KAccelAction* actionPtr( const KKeyServer::Key& key );
00139 
00140     const QString& configGroup() const { return m_sConfigGroup; }
00141     void setConfigGroup( const QString& group );
00142     void setConfigGlobal( bool global );
00143     virtual void setEnabled( bool bEnabled ) = 0;
00144     bool getAutoUpdate() { return m_bAutoUpdate; }
00145     // return value of AutoUpdate flag before this call.
00146     bool setAutoUpdate( bool bAuto );
00147 
00148 // Procedures for manipulating Actions.
00149     //void clearActions();
00150 
00151     KAccelAction* insert( const QString& sName, const QString& sDesc );
00152     KAccelAction* insert(
00153                      const QString& sAction, const QString& sDesc, const QString& sHelp,
00154                      const KShortcut& rgCutDefaults3, const KShortcut& rgCutDefaults4,
00155                      const QObject* pObjSlot, const char* psMethodSlot,
00156              bool bConfigurable = true, bool bEnabled = true );
00157     bool remove( const QString& sAction );
00158     bool setActionSlot( const QString& sAction, const QObject* pObjSlot, const char* psMethodSlot );
00159 
00160     bool updateConnections();
00161 
00162     bool setShortcut( const QString& sAction, const KShortcut& cut );
00163 
00164 // Modify individual Action sub-items
00165     bool setActionEnabled( const QString& sAction, bool bEnable );
00166 
00175     void readSettings( KConfigBase* pConfig = 0 );
00176 
00182     void writeSettings( KConfigBase* pConfig = 0 ) const;
00183 
00184     QPopupMenu* createPopupMenu( QWidget* pParent, const KKeySequence& );
00185 
00186  // Protected methods
00187  protected:
00188     void slotRemoveAction( KAccelAction* );
00189 
00190     struct X;
00191     void createKeyList( QValueVector<struct X>& rgKeys );
00192     bool insertConnection( KAccelAction* );
00193     bool removeConnection( KAccelAction* );
00194 
00195     virtual bool emitSignal( Signal ) = 0;
00196     virtual bool connectKey( KAccelAction&, const KKeyServer::Key& ) = 0;
00197     virtual bool connectKey( const KKeyServer::Key& ) = 0;
00198     virtual bool disconnectKey( KAccelAction&, const KKeyServer::Key& ) = 0;
00199     virtual bool disconnectKey( const KKeyServer::Key& ) = 0;
00200 
00201  protected:
00202     struct ActionInfo
00203     {
00204         KAccelAction* pAction;
00205         uint iSeq, iVariation;
00206         //ActionInfo* pInfoNext; // nil if only one action uses this key.
00207 
00208         ActionInfo() { pAction = 0; iSeq = 0xffff; iVariation = 0xffff; }
00209         ActionInfo( KAccelAction* _pAction, uint _iSeq, uint _iVariation )
00210             { pAction = _pAction; iSeq = _iSeq; iVariation = _iVariation; }
00211     };
00212     typedef QMap<KKeyServer::Key, ActionInfo> KKeyToActionMap;
00213 
00214     KAccelActions m_rgActions;
00215     KKeyToActionMap m_mapKeyToAction;
00216     QValueList<KAccelAction*> m_rgActionsNonUnique;
00217     bool m_bNativeKeys; // Use native key codes instead of Qt codes
00218     bool m_bEnabled;
00219     bool m_bConfigIsGlobal;
00220     QString m_sConfigGroup;
00221     bool m_bAutoUpdate;
00222     KAccelAction* mtemp_pActionRemoving;
00223 
00224  private:
00225     KAccelBase& operator =( const KAccelBase& );
00226 
00227     friend class KAccelActions;
00228 };
00229 
00230 #endif // _KACCELBASE_H
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