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00020 #include "config.h"
00021
00022 #include <qwindowdefs.h>
00023 #ifdef Q_WS_X11
00024
00025 #include "kglobalaccel_x11.h"
00026 #include "kglobalaccel.h"
00027 #include "kkeyserver_x11.h"
00028
00029 #include <qpopupmenu.h>
00030 #include <qregexp.h>
00031 #include <qwidget.h>
00032 #include <qmetaobject.h>
00033 #include <private/qucomextra_p.h>
00034 #include <kapplication.h>
00035 #include <kdebug.h>
00036 #include <kkeynative.h>
00037
00038 #ifdef Q_WS_X11
00039 #include <kxerrorhandler.h>
00040 #endif
00041
00042 #include <X11/X.h>
00043 #include <X11/Xlib.h>
00044 #include <X11/keysym.h>
00045 #include <fixx11h.h>
00046
00047 extern "C" {
00048 static int XGrabErrorHandler( Display *, XErrorEvent *e ) {
00049 if ( e->error_code != BadAccess ) {
00050 kdWarning() << "grabKey: got X error " << e->type << " instead of BadAccess\n";
00051 }
00052 return 1;
00053 }
00054 }
00055
00056
00057
00058
00059
00060
00061
00062 static uint g_keyModMaskXAccel = 0;
00063 static uint g_keyModMaskXOnOrOff = 0;
00064
00065 static void calculateGrabMasks()
00066 {
00067 g_keyModMaskXAccel = KKeyServer::accelModMaskX();
00068 g_keyModMaskXOnOrOff =
00069 KKeyServer::modXLock() |
00070 KKeyServer::modXNumLock() |
00071 KKeyServer::modXScrollLock() |
00072 KKeyServer::modXModeSwitch();
00073
00074
00075 }
00076
00077
00078
00079 static QValueList< KGlobalAccelPrivate* >* all_accels = 0;
00080
00081 KGlobalAccelPrivate::KGlobalAccelPrivate()
00082 : KAccelBase( KAccelBase::NATIVE_KEYS )
00083 , m_blocked( false )
00084 , m_blockingDisabled( false )
00085 {
00086 if( all_accels == NULL )
00087 all_accels = new QValueList< KGlobalAccelPrivate* >;
00088 all_accels->append( this );
00089 m_sConfigGroup = "Global Shortcuts";
00090 kapp->installX11EventFilter( this );
00091 }
00092
00093 KGlobalAccelPrivate::~KGlobalAccelPrivate()
00094 {
00095
00096
00097
00098
00099 all_accels->remove( this );
00100 if( all_accels->count() == 0 ) {
00101 delete all_accels;
00102 all_accels = NULL;
00103 }
00104 }
00105
00106 void KGlobalAccelPrivate::setEnabled( bool bEnable )
00107 {
00108 m_bEnabled = bEnable;
00109 updateConnections();
00110 }
00111
00112 void KGlobalAccelPrivate::blockShortcuts( bool block )
00113 {
00114 if( all_accels == NULL )
00115 return;
00116 for( QValueList< KGlobalAccelPrivate* >::ConstIterator it = all_accels->begin();
00117 it != all_accels->end();
00118 ++it ) {
00119 if( (*it)->m_blockingDisabled )
00120 continue;
00121 (*it)->m_blocked = block;
00122 (*it)->updateConnections();
00123 }
00124 }
00125
00126 void KGlobalAccelPrivate::disableBlocking( bool block )
00127 {
00128 m_blockingDisabled = block;
00129 }
00130
00131 bool KGlobalAccelPrivate::isEnabledInternal() const
00132 {
00133 return KAccelBase::isEnabled() && !m_blocked;
00134 }
00135
00136 bool KGlobalAccelPrivate::emitSignal( Signal )
00137 {
00138 return false;
00139 }
00140
00141 bool KGlobalAccelPrivate::connectKey( KAccelAction& action, const KKeyServer::Key& key )
00142 { return grabKey( key, true, &action ); }
00143 bool KGlobalAccelPrivate::connectKey( const KKeyServer::Key& key )
00144 { return grabKey( key, true, 0 ); }
00145 bool KGlobalAccelPrivate::disconnectKey( KAccelAction& action, const KKeyServer::Key& key )
00146 { return grabKey( key, false, &action ); }
00147 bool KGlobalAccelPrivate::disconnectKey( const KKeyServer::Key& key )
00148 { return grabKey( key, false, 0 ); }
00149
00150 bool KGlobalAccelPrivate::grabKey( const KKeyServer::Key& key, bool bGrab, KAccelAction* pAction )
00151 {
00152 if( !key.code() ) {
00153 kdWarning(125) << "KGlobalAccelPrivate::grabKey( " << key.key().toStringInternal() << ", " << bGrab << ", \"" << (pAction ? pAction->name().latin1() : "(null)") << "\" ): Tried to grab key with null code." << endl;
00154 return false;
00155 }
00156
00157
00158 if( g_keyModMaskXOnOrOff == 0 )
00159 calculateGrabMasks();
00160
00161 uchar keyCodeX = key.code();
00162 uint keyModX = key.mod() & g_keyModMaskXAccel;
00163
00164 if( key.sym() == XK_Sys_Req ) {
00165 keyModX |= KKeyServer::modXAlt();
00166 keyCodeX = 111;
00167 }
00168
00169 #ifndef __osf__
00170
00171 kdDebug(125) << QString( "grabKey( key: '%1', bGrab: %2 ): keyCodeX: %3 keyModX: %4\n" )
00172 .arg( key.key().toStringInternal() ).arg( bGrab )
00173 .arg( keyCodeX, 0, 16 ).arg( keyModX, 0, 16 );
00174 #endif
00175 if( !keyCodeX )
00176 return false;
00177
00178 #ifdef Q_WS_X11
00179 KXErrorHandler handler( XGrabErrorHandler );
00180 #endif
00181
00182
00183
00184
00185
00186 #ifndef NDEBUG
00187 QString sDebug = QString("\tcode: 0x%1 state: 0x%2 | ").arg(keyCodeX,0,16).arg(keyModX,0,16);
00188 #endif
00189 uint keyModMaskX = ~g_keyModMaskXOnOrOff;
00190 for( uint irrelevantBitsMask = 0; irrelevantBitsMask <= 0xff; irrelevantBitsMask++ ) {
00191 if( (irrelevantBitsMask & keyModMaskX) == 0 ) {
00192 #ifndef NDEBUG
00193 sDebug += QString("0x%3, ").arg(irrelevantBitsMask, 0, 16);
00194 #endif
00195 if( bGrab )
00196 XGrabKey( qt_xdisplay(), keyCodeX, keyModX | irrelevantBitsMask,
00197 qt_xrootwin(), True, GrabModeAsync, GrabModeSync );
00198 else
00199 XUngrabKey( qt_xdisplay(), keyCodeX, keyModX | irrelevantBitsMask, qt_xrootwin() );
00200 }
00201 }
00202 #ifndef NDEBUG
00203 kdDebug(125) << sDebug << endl;
00204 #endif
00205
00206 bool failed = false;
00207 if( bGrab ) {
00208 #ifdef Q_WS_X11
00209 failed = handler.error( true );
00210 #endif
00211
00212 if( failed ) {
00213 kdDebug(125) << "grab failed!\n";
00214 for( uint m = 0; m <= 0xff; m++ ) {
00215 if(( m & keyModMaskX ) == 0 )
00216 XUngrabKey( qt_xdisplay(), keyCodeX, keyModX | m, qt_xrootwin() );
00217 }
00218 }
00219 }
00220 if( !failed )
00221 {
00222 CodeMod codemod;
00223 codemod.code = keyCodeX;
00224 codemod.mod = keyModX;
00225 if( key.mod() & KKeyServer::MODE_SWITCH )
00226 codemod.mod |= KKeyServer::MODE_SWITCH;
00227
00228 if( bGrab )
00229 m_rgCodeModToAction.insert( codemod, pAction );
00230 else
00231 m_rgCodeModToAction.remove( codemod );
00232 }
00233 return !failed;
00234 }
00235
00236 bool KGlobalAccelPrivate::x11Event( XEvent* pEvent )
00237 {
00238
00239 switch( pEvent->type ) {
00240 case MappingNotify:
00241 XRefreshKeyboardMapping( &pEvent->xmapping );
00242 x11MappingNotify();
00243 return false;
00244 case XKeyPress:
00245 if( x11KeyPress( pEvent ) )
00246 return true;
00247 default:
00248 return QWidget::x11Event( pEvent );
00249 }
00250 }
00251
00252 void KGlobalAccelPrivate::x11MappingNotify()
00253 {
00254 kdDebug(125) << "KGlobalAccelPrivate::x11MappingNotify()" << endl;
00255
00256 KKeyServer::initializeMods();
00257 calculateGrabMasks();
00258
00259 updateConnections();
00260 }
00261
00262 bool KGlobalAccelPrivate::x11KeyPress( const XEvent *pEvent )
00263 {
00264
00265 if ( !QWidget::keyboardGrabber() && !QApplication::activePopupWidget() ) {
00266 XUngrabKeyboard( qt_xdisplay(), pEvent->xkey.time );
00267 XFlush( qt_xdisplay());
00268 }
00269
00270 if( !isEnabledInternal())
00271 return false;
00272
00273 CodeMod codemod;
00274 codemod.code = pEvent->xkey.keycode;
00275 codemod.mod = pEvent->xkey.state & (g_keyModMaskXAccel | KKeyServer::MODE_SWITCH);
00276
00277
00278
00279 if( pEvent->xkey.state & KKeyServer::modXNumLock() ) {
00280
00281 uint sym = XKeycodeToKeysym( qt_xdisplay(), codemod.code, 0 );
00282
00283 if( sym >= XK_KP_Space && sym <= XK_KP_9 ) {
00284 switch( sym ) {
00285
00286
00287 case XK_KP_Multiply:
00288 case XK_KP_Add:
00289 case XK_KP_Subtract:
00290 case XK_KP_Divide:
00291 break;
00292 default:
00293 if( codemod.mod & KKeyServer::modXShift() )
00294 codemod.mod &= ~KKeyServer::modXShift();
00295 else
00296 codemod.mod |= KKeyServer::modXShift();
00297 }
00298 }
00299 }
00300
00301 KKeyNative keyNative( pEvent );
00302 KKey key = keyNative;
00303
00304 kdDebug(125) << "x11KeyPress: seek " << key.toStringInternal()
00305 << QString( " keyCodeX: %1 state: %2 keyModX: %3" )
00306 .arg( codemod.code, 0, 16 ).arg( pEvent->xkey.state, 0, 16 ).arg( codemod.mod, 0, 16 ) << endl;
00307
00308
00309 if( !m_rgCodeModToAction.contains( codemod ) ) {
00310 #ifndef NDEBUG
00311 for( CodeModMap::ConstIterator it = m_rgCodeModToAction.begin(); it != m_rgCodeModToAction.end(); ++it ) {
00312 KAccelAction* pAction = *it;
00313 kdDebug(125) << "\tcode: " << QString::number(it.key().code, 16) << " mod: " << QString::number(it.key().mod, 16)
00314 << (pAction ? QString(" name: \"%1\" shortcut: %2").arg(pAction->name()).arg(pAction->shortcut().toStringInternal()) : QString::null)
00315 << endl;
00316 }
00317 #endif
00318 return false;
00319 }
00320 KAccelAction* pAction = m_rgCodeModToAction[codemod];
00321
00322 if( !pAction ) {
00323 static bool recursion_block = false;
00324 if( !recursion_block ) {
00325 recursion_block = true;
00326 QPopupMenu* pMenu = createPopupMenu( 0, KKeySequence(key) );
00327 connect( pMenu, SIGNAL(activated(int)), this, SLOT(slotActivated(int)) );
00328 pMenu->exec( QPoint( 0, 0 ) );
00329 disconnect( pMenu, SIGNAL(activated(int)), this, SLOT(slotActivated(int)));
00330 delete pMenu;
00331 recursion_block = false;
00332 }
00333 } else if( !pAction->objSlotPtr() || !pAction->isEnabled() )
00334 return false;
00335 else
00336 activate( pAction, KKeySequence(key) );
00337
00338 return true;
00339 }
00340
00341 void KGlobalAccelPrivate::activate( KAccelAction* pAction, const KKeySequence& seq )
00342 {
00343 kdDebug(125) << "KGlobalAccelPrivate::activate( \"" << pAction->name() << "\" ) " << endl;
00344
00345 QRegExp rexPassIndex( "([ ]*int[ ]*)" );
00346 QRegExp rexPassInfo( " QString" );
00347 QRegExp rexIndex( " ([0-9]+)$" );
00348
00349
00350
00351
00352 if( rexPassIndex.search( pAction->methodSlotPtr() ) >= 0 && rexIndex.search( pAction->name() ) >= 0 ) {
00353 int n = rexIndex.cap(1).toInt();
00354 kdDebug(125) << "Calling " << pAction->methodSlotPtr() << " int = " << n << endl;
00355 int slot_id = pAction->objSlotPtr()->metaObject()->findSlot( normalizeSignalSlot( pAction->methodSlotPtr() ).data() + 1, true );
00356 if( slot_id >= 0 ) {
00357 QUObject o[2];
00358 static_QUType_int.set(o+1,n);
00359 const_cast< QObject* >( pAction->objSlotPtr())->qt_invoke( slot_id, o );
00360 }
00361 } else if( rexPassInfo.search( pAction->methodSlotPtr() ) ) {
00362 int slot_id = pAction->objSlotPtr()->metaObject()->findSlot( normalizeSignalSlot( pAction->methodSlotPtr() ).data() + 1, true );
00363 if( slot_id >= 0 ) {
00364 QUObject o[4];
00365 static_QUType_QString.set(o+1,pAction->name());
00366 static_QUType_QString.set(o+2,pAction->label());
00367 static_QUType_ptr.set(o+3,&seq);
00368 const_cast< QObject* >( pAction->objSlotPtr())->qt_invoke( slot_id, o );
00369 }
00370 } else {
00371 int slot_id = pAction->objSlotPtr()->metaObject()->findSlot( normalizeSignalSlot( pAction->methodSlotPtr() ).data() + 1, true );
00372 if( slot_id >= 0 )
00373 const_cast< QObject* >( pAction->objSlotPtr())->qt_invoke( slot_id, 0 );
00374 }
00375 }
00376
00377 void KGlobalAccelPrivate::slotActivated( int iAction )
00378 {
00379 KAccelAction* pAction = actions().actionPtr( iAction );
00380 if( pAction )
00381 activate( pAction, KKeySequence() );
00382 }
00383
00384 #include "kglobalaccel_x11.moc"
00385
00386 #endif // !Q_WS_X11