KDECore

kshortcutmenu.cpp

00001 /*
00002     Copyright (c) 2002 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., 51 Franklin Street, Fifth Floor,
00017     Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #include <qkeysequence.h>
00021 #include <qlabel.h>
00022 #include <qpopupmenu.h>
00023 
00024 #include "kaccelaction.h"
00025 #include <kdebug.h>
00026 #include <kglobalsettings.h>
00027 #include "kshortcutmenu.h"
00028 //#include <kkeynative.h>
00029 
00030 KShortcutMenu::KShortcutMenu( QWidget* pParent, KAccelActions* pActions, KKeySequence seq )
00031 :   QPopupMenu( pParent ),
00032     m_pActions( pActions ),
00033     m_seq( seq )
00034 {
00035     kdDebug() << seq.toStringInternal() << endl;
00036     
00037     QFont fontTitle = KGlobalSettings::menuFont();
00038     fontTitle.setBold( true );
00039     
00040     pTitle = new QLabel( "", (QWidget*)0 );
00041     pTitle->setFont( fontTitle );
00042     pTitle->setFrameShape( QFrame::Panel ); 
00043     
00044     insertItem( pTitle );
00045 }
00046 
00047 bool KShortcutMenu::insertAction( uint iAction, KKeySequence seq )
00048 {
00049     KAccelAction* pAction = m_pActions->actionPtr( iAction );
00050     
00051     if( pAction ) {
00052         insertItem( "", iAction );
00053         m_seqs[indexOf(iAction)] = seq;
00054         return true;
00055     } else
00056         return false;
00057 }
00058 
00059 
00060 void KShortcutMenu::updateShortcuts()
00061 {
00062     pTitle->setText( m_seq.toString() + ",..." );
00063     
00064     for( uint iItem = 1; iItem < count(); iItem++ ) {
00065         int iAction = idAt( iItem );
00066         if( iAction >= 0 ) {
00067             KAccelAction* pAction = m_pActions->actionPtr( iAction );
00068             if( pAction ) {
00069                 KKeySequence seq = m_seqs[iItem];
00070                 QString sSeq = seq.key(m_seq.count()).toString();
00071                 for( uint iKey = m_seq.count() + 1; iKey < seq.count(); iKey++ )
00072                     sSeq += QString(",") + seq.key(iKey).toString();
00073 
00074                 kdDebug(125) << "seq = " << seq.toStringInternal() << " sSeq = " << sSeq << endl;
00075                 changeItem( iAction, pAction->label() + "\t" + sSeq );
00076             }
00077         }
00078     }
00079 }
00080 
00081 void KShortcutMenu::keyPressEvent( QKeyEvent* pEvent )
00082 {
00083     kdDebug() << "keypress; " << pEvent->key() << endl;
00084     KKey key( pEvent );
00085     
00086     switch( pEvent->key() ) {
00087      case Key_Shift:
00088      case Key_Control:
00089      case Key_Alt:
00090      case Key_Meta:
00091      case Key_Super_L:
00092      case Key_Super_R:
00093      case Key_Hyper_L:
00094      case Key_Hyper_R:
00095         break;
00096      default:
00097         int iItem = searchForKey( key );
00098         // If key not found, look for unmodified version.
00099         if( iItem == -1 ) {
00100             key = pEvent->key();
00101             iItem = searchForKey( key );
00102         }
00103             
00104         if( iItem == -1 ) {
00105             // Let Up and Down keys navigate menu,
00106             // And permit Enter, Return to select the item.
00107             if( pEvent->key() == Qt::Key_Up    || pEvent->key() == Qt::Key_Down ||
00108                 pEvent->key() == Qt::Key_Enter || pEvent->key() == Qt::Key_Return )
00109                 QPopupMenu::keyPressEvent( pEvent );
00110             else
00111                 close();
00112         }
00113         else if( iItem == 0 )
00114             keepItemsMatching( key );
00115         else
00116             activateItemAt( iItem );
00117     }
00118 }
00119 
00120 int KShortcutMenu::searchForKey( KKey key )
00121 {
00122     int iItemFound = -1; // -1 indicates no match
00123     uint iKey = m_seq.count();
00124     
00125     for( uint iItem = 1; iItem < count(); iItem++ ) {
00126         if( m_seqs.contains( iItem ) ) {
00127             KKey keyItem = m_seqs[iItem].key( iKey );
00128             //kdDebug(125) << "iItem = " << iItem << " key = " << key.toStringInternal() << " keyItem = " << keyItem.toStringInternal() << endl;
00129             if( key == keyItem ) {
00130                 if( iItemFound == -1 )
00131                     iItemFound = iItem;
00132                 else
00133                     return 0; // 0 indicates duplicate matches
00134             }
00135         }
00136     }
00137     
00138     return iItemFound;
00139 }
00140 
00141 void KShortcutMenu::keepItemsMatching( KKey key )
00142 {
00143     kdDebug(125) << "MyAccel::keepItemsMatching( " << key.toStringInternal() << " )" << endl;
00144     
00145     uint iKey = m_seq.count();
00146     m_seq.setKey( iKey, key );
00147     
00148     for( uint iItem = 1; iItem < count(); iItem++ ) {
00149         if( m_seqs.contains( iItem ) ) {
00150             KKey keyItem = m_seqs[iItem].key( iKey );
00151             if( key != keyItem ) {
00152                 m_seqs.remove( iItem );
00153                 removeItemAt( iItem-- );
00154             }
00155         }
00156     }
00157     
00158     updateShortcuts();
00159 }
00160 
00161 #include "kshortcutmenu.moc"
KDECore

kshortcutmenu.cpp

KDECore

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