kdeui Library API Documentation

kkeydialog.cpp

00001 /* This file is part of the KDE libraries
00002     Copyright (C) 1998 Mark Donohoe <donohoe@kde.org>
00003     Copyright (C) 1997 Nicolas Hadacek <hadacek@kde.org>
00004     Copyright (C) 1998 Matthias Ettrich <ettrich@kde.org>
00005     Copyright (C) 2001 Ellis Whitehead <ellis@kde.org>
00006 
00007     This library is free software; you can redistribute it and/or
00008     modify it under the terms of the GNU Library General Public
00009     License as published by the Free Software Foundation; either
00010     version 2 of the License, or (at your option) any later version.
00011 
00012     This library is distributed in the hope that it will be useful,
00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015     Library General Public License for more details.
00016 
00017     You should have received a copy of the GNU Library General Public License
00018     along with this library; see the file COPYING.LIB.  If not, write to
00019     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00020     Boston, MA 02111-1307, USA.
00021 */
00022 
00023 #include "kkeydialog.h"
00024 #include "kkeybutton.h"
00025 
00026 #include <string.h>
00027 
00028 #include <qbuttongroup.h>
00029 #include <qlabel.h>
00030 #include <qlayout.h>
00031 #include <qdrawutil.h>
00032 #include <qpainter.h>
00033 #include <qradiobutton.h>
00034 #include <qregexp.h>
00035 #include <qwhatsthis.h>
00036 
00037 #include <kaccel.h>
00038 #include <kaction.h>
00039 #include <kactionshortcutlist.h>
00040 #include <kapplication.h>
00041 #include <kconfig.h>
00042 #include <kdebug.h>
00043 #include <kglobal.h>
00044 #include <kglobalaccel.h>
00045 #include <klocale.h>
00046 #include <kmessagebox.h>
00047 #include <kshortcut.h>
00048 #include <kshortcutlist.h>
00049 #include <kxmlguifactory.h>
00050 #include <kaboutdata.h>
00051 #include <kstaticdeleter.h>
00052 
00053 #ifdef Q_WS_X11
00054 #define XK_XKB_KEYS
00055 #define XK_MISCELLANY
00056 #include <X11/Xlib.h>   // For x11Event()
00057 #include <X11/keysymdef.h> // For XK_...
00058 
00059 #ifdef KeyPress
00060 const int XFocusOut = FocusOut;
00061 const int XFocusIn = FocusIn;
00062 const int XKeyPress = KeyPress;
00063 const int XKeyRelease = KeyRelease;
00064 #undef KeyRelease
00065 #undef KeyPress
00066 #undef FocusOut
00067 #undef FocusIn
00068 #endif
00069 #endif
00070 
00071 //---------------------------------------------------------------------
00072 // KKeyChooserItem
00073 //---------------------------------------------------------------------
00074 
00075 class KKeyChooserItem : public KListViewItem
00076 {
00077  public:
00078     KKeyChooserItem( KListView* parent, QListViewItem* after, KShortcutList* pList, uint iAction );
00079     KKeyChooserItem( QListViewItem* parent, QListViewItem* after, KShortcutList* pList, uint iAction );
00080 
00081     QString actionName() const;
00082     const KShortcut& shortcut() const;
00083     bool isConfigurable() const
00084         { return m_pList->isConfigurable( m_iAction ); }
00085     const KShortcut& shortcutDefault() const
00086         { return m_pList->shortcutDefault( m_iAction ); }
00087 
00088     void setShortcut( const KShortcut& cut );
00089     void commitChanges();
00090 
00091     virtual QString text( int iCol ) const;
00092     virtual int compare( QListViewItem*, int iCol, bool bAscending ) const;
00093 
00094  protected:
00095     KShortcutList* m_pList;
00096     uint m_iAction;
00097     bool m_bModified;
00098     KShortcut m_cut;
00099 };
00100 
00101 //---------------------------------------------------------------------
00102 // KKeyChooserPrivate
00103 //---------------------------------------------------------------------
00104 
00105 class KKeyChooserPrivate
00106 {
00107  public:
00108     QValueList<KShortcutList*> rgpLists;
00109     QValueList<KShortcutList*> rgpListsAllocated;
00110 
00111     KListView *pList;
00112     QLabel *lInfo;
00113     KKeyButton *pbtnShortcut;
00114     QGroupBox *fCArea;
00115     QButtonGroup *kbGroup;
00116 
00117     QMap<QString, KShortcut> mapGlobals;
00118 
00119     bool bAllowWinKey;
00120     // If this is set, then shortcuts require a modifier:
00121     //  so 'A' would not be valid, whereas 'Ctrl+A' would be.
00122     // Note, however, that this only applies to printable characters.
00123     //  'F1', 'Insert', etc., could still be used.
00124     bool bAllowLetterShortcuts;
00125     // When set, pressing the 'Default' button will select the aDefaultKeycode4,
00126     //  otherwise aDefaultKeycode.
00127     bool bPreferFourModifierKeys;
00128 };
00129 
00130 //---------------------------------------------------------------------
00131 // KKeyChooser
00132 //---------------------------------------------------------------------
00133 
00134 KKeyChooser::KKeyChooser( QWidget* parent, ActionType type, bool bAllowLetterShortcuts )
00135 : QWidget( parent )
00136 {
00137     initGUI( type, bAllowLetterShortcuts );
00138 }
00139 
00140 KKeyChooser::KKeyChooser( KActionCollection* coll, QWidget* parent, bool bAllowLetterShortcuts )
00141 : QWidget( parent )
00142 {
00143     initGUI( Application, bAllowLetterShortcuts );
00144     insert( coll );
00145 }
00146 
00147 KKeyChooser::KKeyChooser( KAccel* pAccel, QWidget* parent, bool bAllowLetterShortcuts )
00148 : QWidget( parent )
00149 {
00150     initGUI( Application, bAllowLetterShortcuts );
00151     insert( pAccel );
00152 }
00153 
00154 KKeyChooser::KKeyChooser( KGlobalAccel* pAccel, QWidget* parent )
00155 : QWidget( parent )
00156 {
00157     initGUI( ApplicationGlobal, false );
00158     insert( pAccel );
00159 }
00160 
00161 KKeyChooser::KKeyChooser( KShortcutList* pList, QWidget* parent, ActionType type, bool bAllowLetterShortcuts )
00162 : QWidget( parent )
00163 {
00164     initGUI( type, bAllowLetterShortcuts );
00165     insert( pList );
00166 }
00167 
00168 KKeyChooser::KKeyChooser( KAccel* actions, QWidget* parent,
00169             bool bCheckAgainstStdKeys,
00170             bool bAllowLetterShortcuts,
00171             bool bAllowWinKey )
00172 : QWidget( parent )
00173 {
00174     ActionType type;
00175     if( bAllowWinKey )
00176         type = (bCheckAgainstStdKeys) ? ApplicationGlobal : Global;
00177     else
00178         type = Application;
00179 
00180     initGUI( type, bAllowLetterShortcuts );
00181     insert( actions );
00182 }
00183 
00184 KKeyChooser::KKeyChooser( KGlobalAccel* actions, QWidget* parent,
00185             bool bCheckAgainstStdKeys,
00186             bool bAllowLetterShortcuts,
00187             bool /*bAllowWinKey*/ )
00188 : QWidget( parent )
00189 {
00190     ActionType type = (bCheckAgainstStdKeys) ? ApplicationGlobal : Global;
00191 
00192     initGUI( type, bAllowLetterShortcuts );
00193     insert( actions );
00194 }
00195 
00196 // list of all existing KKeyChooser's of type Global
00197 // used when checking global shortcut for a possible conflict
00198 // (just checking against kdeglobals isn't enough, the shortcuts
00199 // might have changed in KKeyChooser and not being saved yet)
00200 static QValueList< KKeyChooser* >* globalChoosers = NULL;
00201 static KStaticDeleter< QValueList< KKeyChooser* > > globalChoosersDeleter;
00202 
00203 KKeyChooser::~KKeyChooser()
00204 {
00205         if( m_type == Global && globalChoosers != NULL )
00206             globalChoosers->remove( this );
00207     // Delete allocated KShortcutLists
00208     for( uint i = 0; i < d->rgpListsAllocated.count(); i++ )
00209         delete d->rgpListsAllocated[i];
00210     delete d;
00211 }
00212 
00213 bool KKeyChooser::insert( KActionCollection *pColl)
00214 {
00215     return insert(pColl, QString::null);
00216 }
00217 
00218 bool KKeyChooser::insert( KActionCollection* pColl, const QString &title )
00219 {
00220     QString str = title;
00221     if ( title.isEmpty() && pColl->instance()
00222          && pColl->instance()->aboutData() )
00223         str = pColl->instance()->aboutData()->programName();
00224 
00225     KShortcutList* pList = new KActionShortcutList( pColl );
00226     d->rgpListsAllocated.append( pList );
00227     d->rgpLists.append( pList );
00228     buildListView(d->rgpLists.count() - 1, str);
00229     return true;
00230 }
00231 
00232 bool KKeyChooser::insert( KAccel* pAccel )
00233 {
00234     KShortcutList* pList = new KAccelShortcutList( pAccel );
00235     d->rgpListsAllocated.append( pList );
00236     return insert( pList );
00237 }
00238 
00239 bool KKeyChooser::insert( KGlobalAccel* pAccel )
00240 {
00241     KShortcutList* pList = new KAccelShortcutList( pAccel );
00242     d->rgpListsAllocated.append( pList );
00243     return insert( pList );
00244 }
00245 
00246 bool KKeyChooser::insert( KShortcutList* pList )
00247 {
00248     d->rgpLists.append( pList );
00249     buildListView( d->rgpLists.count() - 1, QString::null );
00250     return true;
00251 }
00252 
00253 void KKeyChooser::commitChanges()
00254 {
00255     kdDebug(125) << "KKeyChooser::commitChanges()" << endl;
00256 
00257     QListViewItemIterator it( d->pList );
00258     for( ; it.current(); ++it ) {
00259         KKeyChooserItem* pItem = dynamic_cast<KKeyChooserItem*>(it.current());
00260         if( pItem )
00261             pItem->commitChanges();
00262     }
00263 }
00264 
00265 void KKeyChooser::save()
00266 {
00267     commitChanges();
00268     for( uint i = 0; i < d->rgpLists.count(); i++ )
00269         d->rgpLists[i]->save();
00270 }
00271 
00272 void KKeyChooser::initGUI( ActionType type, bool bAllowLetterShortcuts )
00273 {
00274   d = new KKeyChooserPrivate();
00275 
00276   m_type = type;
00277   d->bAllowLetterShortcuts = bAllowLetterShortcuts;
00278 
00279   d->bAllowWinKey = (m_type == Global || m_type == ApplicationGlobal);
00280   d->bPreferFourModifierKeys = KGlobalAccel::useFourModifierKeys();
00281 
00282   //
00283   // TOP LAYOUT MANAGER
00284   //
00285   // The following layout is used for the dialog
00286   //            LIST LABELS LAYOUT
00287   //            SPLIT LIST BOX WIDGET
00288   //            CHOOSE KEY GROUP BOX WIDGET
00289   //            BUTTONS LAYOUT
00290   // Items are added to topLayout as they are created.
00291   //
00292 
00293   QBoxLayout *topLayout = new QVBoxLayout( this, 0, KDialog::spacingHint() );
00294 
00295   QGridLayout *stackLayout = new QGridLayout(2, 2, 2);
00296   topLayout->addLayout( stackLayout, 10 );
00297   stackLayout->setRowStretch( 1, 10 ); // Only list will stretch
00298 
00299   //
00300   // CREATE SPLIT LIST BOX
00301   //
00302   // fill up the split list box with the action/key pairs.
00303   //
00304   d->pList = new KListView( this );
00305   d->pList->setFocus();
00306 
00307   stackLayout->addMultiCellWidget( d->pList, 1, 1, 0, 1 );
00308   QString wtstr = i18n("Here you can see a list of key bindings, "
00309                        "i.e. associations between actions (e.g. 'Copy') "
00310                        "shown in the left column and keys or combination "
00311                        "of keys (e.g. Ctrl+V) shown in the right column.");
00312 
00313   QWhatsThis::add( d->pList, wtstr );
00314 
00315   d->pList->setAllColumnsShowFocus( true );
00316   d->pList->addColumn(i18n("Action"));
00317   d->pList->addColumn(i18n("Shortcut"));
00318   d->pList->addColumn(i18n("Alternate"));
00319 
00320   connect( d->pList, SIGNAL(currentChanged(QListViewItem*)),
00321            SLOT(slotListItemSelected(QListViewItem*)) );
00322   // handle double clicking an item
00323   connect ( d->pList, SIGNAL ( doubleClicked ( QListViewItem *, const QPoint &, int ) ),
00324                        SLOT ( slotListItemDoubleClicked ( QListViewItem *, const QPoint &, int ) ) );
00325 
00326   //
00327   // CREATE CHOOSE KEY GROUP
00328   //
00329   d->fCArea = new QGroupBox( this );
00330   topLayout->addWidget( d->fCArea, 1 );
00331 
00332   d->fCArea->setTitle( i18n("Shortcut for Selected Action") );
00333   d->fCArea->setFrameStyle( QFrame::Box | QFrame::Sunken );
00334 
00335   //
00336   // CHOOSE KEY GROUP LAYOUT MANAGER
00337   //
00338   QGridLayout *grid = new QGridLayout( d->fCArea, 3, 4, KDialog::spacingHint() );
00339   grid->addRowSpacing( 0, fontMetrics().lineSpacing() );
00340 
00341   d->kbGroup = new QButtonGroup( d->fCArea );
00342   d->kbGroup->hide();
00343   d->kbGroup->setExclusive( true );
00344 
00345   m_prbNone = new QRadioButton( i18n("no key", "&None"), d->fCArea );
00346   d->kbGroup->insert( m_prbNone, NoKey );
00347   m_prbNone->setEnabled( false );
00348   //grid->addMultiCellWidget( rb, 1, 1, 1, 2 );
00349   grid->addWidget( m_prbNone, 1, 0 );
00350   QWhatsThis::add( m_prbNone, i18n("The selected action will not be associated with any key.") );
00351   connect( m_prbNone, SIGNAL(clicked()), SLOT(slotNoKey()) );
00352 
00353   m_prbDef = new QRadioButton( i18n("default key", "De&fault"), d->fCArea );
00354   d->kbGroup->insert( m_prbDef, DefaultKey );
00355   m_prbDef->setEnabled( false );
00356   //grid->addMultiCellWidget( rb, 2, 2, 1, 2 );
00357   grid->addWidget( m_prbDef, 1, 1 );
00358   QWhatsThis::add( m_prbDef, i18n("This will bind the default key to the selected action. Usually a reasonable choice.") );
00359   connect( m_prbDef, SIGNAL(clicked()), SLOT(slotDefaultKey()) );
00360 
00361   m_prbCustom = new QRadioButton( i18n("C&ustom"), d->fCArea );
00362   d->kbGroup->insert( m_prbCustom, CustomKey );
00363   m_prbCustom->setEnabled( false );
00364   //grid->addMultiCellWidget( rb, 3, 3, 1, 2 );
00365   grid->addWidget( m_prbCustom, 1, 2 );
00366   QWhatsThis::add( m_prbCustom, i18n("If this option is selected you can create a customized key binding for the"
00367     " selected action using the buttons below.") );
00368   connect( m_prbCustom, SIGNAL(clicked()), SLOT(slotCustomKey()) );
00369 
00370   //connect( d->kbGroup, SIGNAL( clicked( int ) ), SLOT( keyMode( int ) ) );
00371 
00372   QBoxLayout *pushLayout = new QHBoxLayout( KDialog::spacingHint() );
00373   grid->addLayout( pushLayout, 1, 3 );
00374 
00375   d->pbtnShortcut = new KKeyButton(d->fCArea, "key");
00376   d->pbtnShortcut->setEnabled( false );
00377   connect( d->pbtnShortcut, SIGNAL(capturedShortcut(const KShortcut&)), SLOT(capturedShortcut(const KShortcut&)) );
00378   grid->addRowSpacing( 1, d->pbtnShortcut->sizeHint().height() + 5 );
00379 
00380   wtstr = i18n("Use this button to choose a new shortcut key. Once you click it, "
00381         "you can press the key-combination which you would like to be assigned "
00382         "to the currently selected action.");
00383   QWhatsThis::add( d->pbtnShortcut, wtstr );
00384 
00385   //
00386   // Add widgets to the geometry manager
00387   //
00388   pushLayout->addSpacing( KDialog::spacingHint()*2 );
00389   pushLayout->addWidget( d->pbtnShortcut );
00390   pushLayout->addStretch( 10 );
00391 
00392   d->lInfo = new QLabel(d->fCArea);
00393   //resize(0,0);
00394   //d->lInfo->setAlignment( AlignCenter );
00395   //d->lInfo->setEnabled( false );
00396   //d->lInfo->hide();
00397   grid->addMultiCellWidget( d->lInfo, 2, 2, 0, 3 );
00398 
00399   //d->globalDict = new QDict<int> ( 100, false );
00400   //d->globalDict->setAutoDelete( true );
00401   readGlobalKeys();
00402   //d->stdDict = new QDict<int> ( 100, false );
00403   //d->stdDict->setAutoDelete( true );
00404   //if (type == Application || type == ApplicationGlobal)
00405   //  readStdKeys();
00406   connect( kapp, SIGNAL( settingsChanged( int )), SLOT( slotSettingsChanged( int )));
00407   if( m_type == Global ) {
00408       if( globalChoosers == NULL )
00409           globalChoosers = globalChoosersDeleter.setObject( new QValueList< KKeyChooser* > );
00410       globalChoosers->append( this );
00411   }
00412 }
00413 
00414 // Add all shortcuts to the list
00415 void KKeyChooser::buildListView( uint iList, const QString &title )
00416 {
00417     KShortcutList* pList = d->rgpLists[iList];
00418 
00419     //d->pList->setSorting( -1 );
00420     KListViewItem *pProgramItem, *pGroupItem = 0, *pParentItem, *pItem;
00421 
00422     QString str = (title.isEmpty() ? i18n("Shortcuts") : title);
00423     pParentItem = pProgramItem = pItem = new KListViewItem( d->pList, str );
00424     pParentItem->setExpandable( true );
00425     pParentItem->setOpen( true );
00426     pParentItem->setSelectable( false );
00427     uint nSize = pList->count();
00428     for( uint iAction = 0; iAction < nSize; iAction++ ) {
00429         QString sName = pList->name(iAction);
00430         kdDebug(125) << "Key: " << sName << endl;
00431         if( sName.startsWith( "Program:" ) ) {
00432             pItem = new KListViewItem( d->pList, pProgramItem, pList->label(iAction) );
00433             pItem->setSelectable( false );
00434             pItem->setExpandable( true );
00435             pItem->setOpen( true );
00436             if( !pProgramItem->firstChild() )
00437                 delete pProgramItem;
00438             pProgramItem = pParentItem = pItem;
00439         } else if( sName.startsWith( "Group:" ) ) {
00440             pItem = new KListViewItem( pProgramItem, pParentItem, pList->label(iAction) );
00441             pItem->setSelectable( false );
00442             pItem->setExpandable( true );
00443             pItem->setOpen( true );
00444             if( pGroupItem && !pGroupItem->firstChild() )
00445                 delete pGroupItem;
00446             pGroupItem = pParentItem = pItem;
00447         } else if( !sName.isEmpty() && pList->isConfigurable(iAction) )
00448             pItem = new KKeyChooserItem( pParentItem, pItem, pList, iAction );
00449     }
00450     if( !pProgramItem->firstChild() )
00451         delete pProgramItem;
00452     if( pGroupItem && !pGroupItem->firstChild() )
00453         delete pGroupItem;
00454 }
00455 
00456 void KKeyChooser::updateButtons()
00457 {
00458     // Hack: Do this incase we still have changeKey() running.
00459     //  Better would be to capture the mouse pointer so that we can't click
00460     //   around while we're supposed to be entering a key.
00461     //  Better yet would be a modal dialog for changeKey()!
00462     releaseKeyboard();
00463     KKeyChooserItem* pItem = dynamic_cast<KKeyChooserItem*>( d->pList->currentItem() );
00464 
00465     if ( !pItem ) {
00466         // if nothing is selected -> disable radio boxes
00467         m_prbNone->setEnabled( false );
00468         m_prbDef->setEnabled( false );
00469         m_prbCustom->setEnabled( false );
00470         d->pbtnShortcut->setEnabled( false );
00471         d->pbtnShortcut->setShortcut( KShortcut() );
00472     } else {
00473         bool bConfigurable = pItem->isConfigurable();
00474         bool bQtShortcut = (m_type == Application || m_type == Standard);
00475         const KShortcut& cutDef = pItem->shortcutDefault();
00476 
00477         // Set key strings
00478         QString keyStrCfg = pItem->shortcut().toString();
00479         QString keyStrDef = cutDef.toString();
00480 
00481         d->pbtnShortcut->setShortcut( pItem->shortcut(), bQtShortcut );
00482         //item->setText( 1, keyStrCfg );
00483         pItem->repaint();
00484         d->lInfo->setText( i18n("Default key:") + QString(" %1").arg(keyStrDef.isEmpty() ? i18n("None") : keyStrDef) );
00485 
00486         // Select the appropriate radio button.
00487         int index = (pItem->shortcut().isNull()) ? NoKey
00488                 : (pItem->shortcut() == cutDef) ? DefaultKey
00489                 : CustomKey;
00490         m_prbNone->setChecked( index == NoKey );
00491         m_prbDef->setChecked( index == DefaultKey );
00492         m_prbCustom->setChecked( index == CustomKey );
00493 
00494         // Enable buttons if this key is configurable.
00495         // The 'Default Key' button must also have a default key.
00496         m_prbNone->setEnabled( bConfigurable );
00497         m_prbDef->setEnabled( bConfigurable && cutDef.count() != 0 );
00498         m_prbCustom->setEnabled( bConfigurable );
00499         d->pbtnShortcut->setEnabled( bConfigurable );
00500     }
00501 }
00502 
00503 void KKeyChooser::slotNoKey()
00504 {
00505     // return if no key is selected
00506     KKeyChooserItem* pItem = dynamic_cast<KKeyChooserItem*>( d->pList->currentItem() );
00507     if( pItem ) {
00508         //kdDebug(125) << "no Key" << d->pList->currentItem()->text(0) << endl;
00509         pItem->setShortcut( KShortcut() );
00510         updateButtons();
00511         emit keyChange();
00512     }
00513 }
00514 
00515 void KKeyChooser::slotDefaultKey()
00516 {
00517     // return if no key is selected
00518     KKeyChooserItem* pItem = dynamic_cast<KKeyChooserItem*>( d->pList->currentItem() );
00519     if( pItem ) {
00520         pItem->setShortcut( pItem->shortcutDefault() );
00521         updateButtons();
00522         emit keyChange();
00523     }
00524 }
00525 
00526 void KKeyChooser::slotCustomKey()
00527 {
00528     d->pbtnShortcut->captureShortcut();
00529 }
00530 
00531 void KKeyChooser::readGlobalKeys()
00532 {
00533         d->mapGlobals.clear();
00534         if( m_type == Global )
00535             return; // they will be checked normally, because we're configuring them
00536     QMap<QString, QString> mapEntry = KGlobal::config()->entryMap( "Global Shortcuts" );
00537     QMap<QString, QString>::Iterator it( mapEntry.begin() );
00538     for( uint i = 0; it != mapEntry.end(); ++it, i++ )
00539         d->mapGlobals[it.key()] = KShortcut(*it);
00540 }
00541 
00542 void KKeyChooser::slotSettingsChanged( int category )
00543 {
00544     if( category == KApplication::SETTINGS_SHORTCUTS )
00545         readGlobalKeys(); // reread
00546 }
00547 
00548 void KKeyChooser::fontChange( const QFont & )
00549 {
00550         d->fCArea->setMinimumHeight( 4*d->pbtnShortcut->sizeHint().height() );
00551 
00552         int widget_width = 0;
00553 
00554         setMinimumWidth( 20+5*(widget_width+10) );
00555 }
00556 
00557 void KKeyChooser::allDefault()
00558 {
00559     kdDebug(125) << "KKeyChooser::allDefault()" << endl;
00560 
00561     QListViewItemIterator it( d->pList );
00562     for( ; it.current(); ++it ) {
00563         KKeyChooserItem* pItem = dynamic_cast<KKeyChooserItem*>(it.current());
00564         if( pItem )
00565             pItem->setShortcut( pItem->shortcutDefault() );
00566     }
00567 
00568     updateButtons();
00569     emit keyChange();
00570 }
00571 
00572 void KKeyChooser::slotListItemSelected( QListViewItem* )
00573 {
00574     updateButtons();
00575 }
00576 
00577 
00578 void KKeyChooser::slotListItemDoubleClicked ( QListViewItem *, const QPoint & , int )
00579 {
00580 
00581   KKeyChooserItem* pItem = dynamic_cast<KKeyChooserItem*>( d->pList->currentItem() );
00582   if( pItem != NULL && pItem->isConfigurable())
00583       d->pbtnShortcut->captureShortcut ( );
00584 
00585 }
00586 
00587 void KKeyChooser::setPreferFourModifierKeys( bool bPreferFourModifierKeys )
00588 {
00589     d->bPreferFourModifierKeys = bPreferFourModifierKeys;
00590 }
00591 
00592 void KKeyChooser::capturedShortcut( const KShortcut& cut )
00593 {
00594     if( cut.isNull() )
00595         slotNoKey();
00596     else
00597         setShortcut( cut );
00598 }
00599 
00600 // FIXME: give this functionality again -- I don't think it's ever used, though. -- ellis
00601 // TODO: Check lxr.kde.org to see if it's used anywhere
00602 void KKeyChooser::listSync()
00603 {
00604 /*  kdDebug(125) << "KKeyChooser::listSync()" << endl;
00605 
00606     if( d->pColl ) {
00607         // TODO: This is very inefficient.  Come up with something better.
00608         KAccelActions aa;
00609         d->pColl->createKeyMap( aa );
00610         d->actionsNew.updateShortcuts( aa );
00611     } else if( d->pActionsOrig ) {
00612         d->actionsNew.updateShortcuts( *d->pActionsOrig );
00613         update();
00614         updateButtons();
00615     }*/
00616 }
00617 
00618 void KKeyChooser::syncToConfig( const QString& sConfigGroup, KConfigBase* pConfig, bool bClearUnset )
00619 {
00620     kdDebug(125) << "KKeyChooser::syncToConfig( \"" << sConfigGroup << "\", " << pConfig << " ) start" << endl;
00621     if( !pConfig )
00622         pConfig = KGlobal::config();
00623     KConfigGroupSaver cgs( pConfig, sConfigGroup );
00624 
00625     QListViewItemIterator it( d->pList );
00626     for( ; it.current(); ++it ) {
00627         KKeyChooserItem* pItem = dynamic_cast<KKeyChooserItem*>(it.current());
00628         if( pItem ) {
00629             QString sEntry = pConfig->readEntry( pItem->actionName() );
00630             if( !sEntry.isNull() || bClearUnset ) {
00631                 if( sEntry == "none" )
00632                     sEntry = QString::null;
00633                 pItem->setShortcut( sEntry );
00634             }
00635             kdDebug(125) << pItem->actionName() << " = " << pItem->shortcut().toStringInternal() << endl;
00636         }
00637     }
00638     updateButtons();
00639     kdDebug(125) << "KKeyChooser::syncToConfig() done" << endl;
00640 }
00641 
00642 void KKeyChooser::setShortcut( const KShortcut& cut )
00643 {
00644     kdDebug(125) << "KKeyChooser::setShortcut( " << cut.toString() << " )" << endl;
00645     KKeyChooserItem* pItem = dynamic_cast<KKeyChooserItem*>(d->pList->currentItem());
00646     if( !pItem )
00647         return;
00648 
00649     for( uint i = 0; i < cut.count(); i++ ) {
00650         const KKeySequence& seq = cut.seq(i);
00651         const KKey& key = seq.key(0);
00652 
00653         if( !d->bAllowWinKey && (key.modFlags() & KKey::WIN) ) {
00654             QString s = i18n("The Win key is not allowed in this context.");
00655             KMessageBox::sorry( this, s, i18n("Invalid Shortcut Key") );
00656             return;
00657         }
00658         if( !d->bAllowLetterShortcuts && key.modFlags() == 0
00659             && key.sym() < 0x3000 && QChar(key.sym()).isLetterOrNumber() ) {
00660             QString s = i18n(   "In order to use the '%1' key as a shortcut, "
00661                         "it must be combined with the "
00662                         "Win, Alt, Ctrl, and/or Shift keys." ).arg(QChar(key.sym()));
00663             KMessageBox::sorry( this, s, i18n("Invalid Shortcut Key") );
00664             return;
00665         }
00666     }
00667 
00668     // If key isn't already in use,
00669     if( !isKeyPresent( cut ) ) {
00670         // Set new key code
00671         pItem->setShortcut( cut );
00672         // Update display
00673         updateButtons();
00674         emit keyChange();
00675     }
00676 }
00677 
00678 // Returns iSeq index if cut2 has a sequence of equal or higher priority to a sequence in cut.
00679 // else -1
00680 static int keyConflict( const KShortcut& cut, const KShortcut& cut2 )
00681 {
00682     for( uint iSeq = 0; iSeq < cut.count(); iSeq++ ) {
00683         for( uint iSeq2 = 0; iSeq2 <= iSeq && iSeq2 < cut2.count(); iSeq2++ ) {
00684             if( cut.seq(iSeq) == cut2.seq(iSeq2) )
00685                 return iSeq;
00686         }
00687     }
00688     return -1;
00689 }
00690 
00691 bool KKeyChooser::isKeyPresent( const KShortcut& cut, bool bWarnUser )
00692 {
00693     KKeyChooserItem* pItem = dynamic_cast<KKeyChooserItem*>(d->pList->currentItem());
00694 
00695     // If editing global shortcuts, check them for conflicts with the stdaccels.
00696     if( m_type == ApplicationGlobal || m_type == Global ) {
00697         // For each key sequence in the shortcut,
00698         for( uint i = 0; i < cut.count(); i++ ) {
00699             const KKeySequence& seq = cut.seq(i);
00700 
00701             KStdAccel::StdAccel id = KStdAccel::findStdAccel( seq );
00702             if( id != KStdAccel::AccelNone
00703                 && keyConflict( cut, KStdAccel::shortcut( id ) ) > -1 ) {
00704                 if( bWarnUser )
00705                     _warning( seq, KStdAccel::label(id), i18n("Conflict with Standard Application Shortcut") );
00706                 return true;
00707             }
00708         }
00709     }
00710 
00711     QMap<QString, KShortcut>::ConstIterator it;
00712     for( it = d->mapGlobals.begin(); it != d->mapGlobals.end(); ++it ) {
00713         int iSeq = keyConflict( cut, (*it) );
00714         if( iSeq > -1 ) {
00715             if( m_type != Global || it.key() != pItem->actionName() ) {
00716                 if( bWarnUser )
00717                     _warning( cut.seq(iSeq), it.key(), i18n("Conflict with Global Shortcuts") );
00718                 return true;
00719             }
00720         }
00721     }
00722 
00723         if( isKeyPresentLocally( cut, pItem, bWarnUser ? i18n("Key Conflict") : QString::null ))
00724             return true;
00725 
00726         // check also other Global KKeyChooser's
00727         if( m_type == Global && globalChoosers != NULL ) {
00728             for( QValueList< KKeyChooser* >::ConstIterator it = globalChoosers->begin();
00729                  it != globalChoosers->end();
00730                  ++it ) {
00731                 if( (*it) != this && (*it)->isKeyPresentLocally( cut, NULL,
00732                     bWarnUser ? i18n("Key Conflict") : QString::null))
00733                     return true;
00734             }
00735         }
00736     return false;
00737 }
00738 
00739 bool KKeyChooser::isKeyPresentLocally( const KShortcut& cut, KKeyChooserItem* ignoreItem, const QString& warnText )
00740 {
00741     if ( cut.toString().isEmpty())
00742            return false;
00743 
00744         // Search for shortcut conflicts with other actions in the
00745     //  lists we're configuring.
00746     for( QListViewItemIterator it( d->pList ); it.current(); ++it ) {
00747         KKeyChooserItem* pItem2 = dynamic_cast<KKeyChooserItem*>(it.current());
00748         if( pItem2 && pItem2 != ignoreItem ) {
00749             int iSeq = keyConflict( cut, pItem2->shortcut() );
00750             if( iSeq > -1 ) {
00751                 if( !warnText.isNull() )
00752                     _warning( cut.seq(iSeq), pItem2->text(0), warnText );
00753                 return true;
00754             }
00755         }
00756     }
00757         return false;
00758 }
00759 
00760 void KKeyChooser::_warning( const KKeySequence& cut, QString sAction, QString sTitle )
00761 {
00762     sAction = sAction.stripWhiteSpace();
00763 
00764     QString s =
00765         i18n("The '%1' key combination has already been allocated "
00766         "to the \"%2\" action.\n"
00767         "Please choose a unique key combination.").
00768         arg(cut.toString()).arg(sAction);
00769 
00770     KMessageBox::sorry( this, s, sTitle );
00771 }
00772 
00773 //---------------------------------------------------
00774 KKeyChooserItem::KKeyChooserItem( KListView* parent, QListViewItem* after, KShortcutList* pList, uint iAction )
00775 :   KListViewItem( parent, after )
00776 {
00777     m_pList = pList;
00778     m_iAction = iAction;
00779     m_bModified = false;
00780     m_cut = m_pList->shortcut(m_iAction);
00781 }
00782 
00783 KKeyChooserItem::KKeyChooserItem( QListViewItem* parent, QListViewItem* after, KShortcutList* pList, uint iAction )
00784 :   KListViewItem( parent, after )
00785 {
00786     m_pList = pList;
00787     m_iAction = iAction;
00788     m_bModified = false;
00789     m_cut = m_pList->shortcut(m_iAction);
00790 }
00791 
00792 QString KKeyChooserItem::actionName() const
00793 {
00794     return m_pList->name(m_iAction);
00795 }
00796 
00797 const KShortcut& KKeyChooserItem::shortcut() const
00798 {
00799     return m_cut;
00800 }
00801 
00802 void KKeyChooserItem::setShortcut( const KShortcut& cut )
00803 {
00804     m_cut = cut;
00805     m_bModified = (m_cut != m_pList->shortcut(m_iAction));
00806     listView()->repaintItem( this );
00807 }
00808 
00809 void KKeyChooserItem::commitChanges()
00810 {
00811     if( m_bModified )
00812         m_pList->setShortcut( m_iAction, m_cut );
00813 }
00814 
00815 QString KKeyChooserItem::text( int iCol ) const
00816 {
00817     if( iCol == 0 ) {
00818         // Quick HACK to get rid of '&'s.
00819         QString s = m_pList->label(m_iAction);
00820         QString s2;
00821         for( uint i = 0; i < s.length(); i++ )
00822             if( s[i] != '&' || ( i+1<s.length() && s[i+1] == '&' ) )
00823                 s2 += s[i];
00824         return s2;
00825     }
00826     else if( iCol <= (int) m_cut.count() )
00827         return m_cut.seq(iCol-1).toString();
00828     else
00829         return QString::null;
00830 }
00831 
00832 int KKeyChooserItem::compare( QListViewItem* item, int iCol, bool bAscending ) const
00833 {
00834     KKeyChooserItem* pItem = dynamic_cast<KKeyChooserItem*>( item );
00835     if( iCol == 0 && pItem ) {
00836         QString psName1 = m_pList->name(m_iAction);
00837         QString psName2 = pItem->m_pList->name(pItem->m_iAction);
00838         QRegExp rxNumber1( " (\\d+)$" );
00839         QRegExp rxNumber2( " (\\d+)$" );
00840         int iNumber1 = rxNumber1.search( psName1 );
00841         int iNumber2 = rxNumber2.search( psName2 );
00842 
00843         // Check if the last word is one or more digits
00844         if( iNumber1 >= 0 && iNumber1 == iNumber2 && psName1.startsWith( psName2.left( iNumber1+1 ) ) ) {
00845             int n1 = rxNumber1.cap(1).toInt();
00846             int n2 = rxNumber2.cap(1).toInt();
00847             return (n1 < n2) ? -1 : (n1 > n2) ? 1 : 0;
00848         }
00849     }
00850 
00851     return QListViewItem::compare( item, iCol, bAscending );
00852 }
00853 
00854 /************************************************************************/
00855 /* KKeyDialog                                                           */
00856 /*                                                                      */
00857 /* Originally by Nicolas Hadacek <hadacek@via.ecp.fr>                   */
00858 /*                                                                      */
00859 /* Substantially revised by Mark Donohoe <donohoe@kde.org>              */
00860 /*                                                                      */
00861 /* And by Espen Sand <espen@kde.org> 1999-10-19                         */
00862 /* (by using KDialogBase there is almost no code left ;)                */
00863 /*                                                                      */
00864 /************************************************************************/
00865 KKeyDialog::KKeyDialog( KKeyChooser::ActionType type, bool bAllowLetterShortcuts, QWidget *parent, const char* name )
00866 : KDialogBase( parent, name, true, i18n("Configure Shortcuts"), Help|Default|Ok|Cancel, Ok )
00867 {
00868     m_pKeyChooser = new KKeyChooser( this, type, bAllowLetterShortcuts );
00869     setMainWidget( m_pKeyChooser );
00870     connect( this, SIGNAL(defaultClicked()), m_pKeyChooser, SLOT(allDefault()) );
00871     enableButton( Help, false );
00872 
00873     KConfigGroup group( KGlobal::config(), "KKeyDialog Settings" );
00874     QSize sz = size();
00875     resize( group.readSizeEntry( "Dialog Size", &sz ) );
00876 }
00877 
00878 KKeyDialog::KKeyDialog( bool bAllowLetterShortcuts, QWidget *parent, const char* name )
00879 : KDialogBase( parent, name, true, i18n("Configure Shortcuts"), Help|Default|Ok|Cancel, Ok )
00880 {
00881     m_pKeyChooser = new KKeyChooser( this, KKeyChooser::Application, bAllowLetterShortcuts );
00882     setMainWidget( m_pKeyChooser );
00883     connect( this, SIGNAL(defaultClicked()), m_pKeyChooser, SLOT(allDefault()) );
00884     enableButton( Help, false );
00885 
00886     KConfigGroup group( KGlobal::config(), "KKeyDialog Settings" );
00887     QSize sz = size();
00888     resize( group.readSizeEntry( "Dialog Size", &sz ) );
00889 }
00890 
00891 KKeyDialog::~KKeyDialog()
00892 {
00893     KConfigGroup group( KGlobal::config(), "KKeyDialog Settings" );
00894     group.writeEntry( "Dialog Size", size(), true, true );
00895 }
00896 
00897 bool KKeyDialog::insert( KActionCollection* pColl )
00898 {
00899     return m_pKeyChooser->insert( pColl );
00900 }
00901 
00902 bool KKeyDialog::insert(KActionCollection *pColl, const QString &title)
00903 {
00904     return m_pKeyChooser->insert(pColl, title);
00905 }
00906 
00907 bool KKeyDialog::configure( bool bSaveSettings )
00908 {
00909     int retcode = exec();
00910     if( retcode == Accepted ) {
00911         if( bSaveSettings )
00912             m_pKeyChooser->save();
00913         else
00914             commitChanges();
00915     }
00916     return retcode;
00917 }
00918 
00919 void KKeyDialog::commitChanges()
00920 {
00921     m_pKeyChooser->commitChanges();
00922 }
00923 
00924 int KKeyDialog::configure( KActionCollection* coll, QWidget* parent, bool bSaveSettings )
00925 {
00926     return configure( coll, true, parent, bSaveSettings);
00927 }
00928 
00929 int KKeyDialog::configure( KAccel* keys, QWidget* parent, bool bSaveSettings )
00930 {
00931     return configure( keys, true, parent, bSaveSettings);
00932 }
00933 
00934 int KKeyDialog::configure( KGlobalAccel* keys, QWidget* parent, bool bSaveSettings )
00935 {
00936     return configure( keys, true, parent, bSaveSettings);
00937 }
00938 
00939 int KKeyDialog::configure( KAccel* keys, bool bAllowLetterShortcuts, QWidget *parent, bool bSaveSettings )
00940 {
00941     KKeyDialog dlg( bAllowLetterShortcuts, parent );
00942     dlg.m_pKeyChooser->insert( keys );
00943     bool b = dlg.configure( bSaveSettings );
00944     if( b && bSaveSettings )
00945         keys->updateConnections();
00946     return b;
00947 }
00948 
00949 int KKeyDialog::configure( KGlobalAccel* keys, bool bAllowLetterShortcuts, QWidget *parent, bool bSaveSettings )
00950 {
00951     KKeyDialog dlg( KKeyChooser::ApplicationGlobal, bAllowLetterShortcuts, parent );
00952     dlg.m_pKeyChooser->insert( keys );
00953     bool b = dlg.configure( bSaveSettings );
00954     if( b && bSaveSettings )
00955         keys->updateConnections();
00956     return b;
00957 }
00958 
00959 int KKeyDialog::configure( KActionCollection* coll, bool bAllowLetterShortcuts, QWidget *parent, bool bSaveSettings )
00960 {
00961     kdDebug(125) << "KKeyDialog::configureKeys( KActionCollection*, " << bSaveSettings << " )" << endl;
00962     KKeyDialog dlg( bAllowLetterShortcuts, parent );
00963     dlg.m_pKeyChooser->insert( coll );
00964     return dlg.configure( bSaveSettings );
00965 }
00966 
00967 /*int KKeyDialog::configure( KActionPtrList* coll, const QString& file, QWidget *parent, bool bSaveSettings )
00968 {
00969     kdDebug(125) << "KKeyDialog::configureKeys( KActionCollection*, " << file << ", " << bSaveSettings << " )" << endl;
00970     KAccelActions actions;
00971     coll->createKeyMap( actions );
00972 
00973     int retcode = configure( actions, file, parent, bSaveSettings );
00974     if( retcode == Accepted )
00975         coll->setKeyMap( actions );
00976 
00977     return retcode;
00978 }*/
00979 
00980 void KKeyChooser::virtual_hook( int, void* )
00981 { /*BASE::virtual_hook( id, data );*/ }
00982 
00983 void KKeyDialog::virtual_hook( int id, void* data )
00984 { KDialogBase::virtual_hook( id, data ); }
00985 
00986 #include "kkeydialog.moc"
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