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455 lines
16 KiB
455 lines
16 KiB
/* This file is part of the KDE libraries
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Copyright (C) 2001,2002 Ellis Whitehead <ellis@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include <tqwindowdefs.h>
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#ifdef TQ_WS_X11
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#include "kglobalaccel_x11.h"
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#include "kglobalaccel.h"
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#include "kkeyserver_x11.h"
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#include <tqpopupmenu.h>
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#include <tqregexp.h>
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#include <tqwidget.h>
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#include <tqmetaobject.h>
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#include <private/tqucomextra_p.h>
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#include <tdeapplication.h>
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#include <kdebug.h>
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#include <kkeynative.h>
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#ifdef TQ_WS_X11
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#include <kxerrorhandler.h>
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#endif
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#include <X11/X.h>
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#include <X11/Xlib.h>
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#include <X11/XKBlib.h>
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#include <X11/keysym.h>
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#include <fixx11h.h>
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extern "C" {
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static int XGrabErrorHandler( Display *, XErrorEvent *e ) {
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if ( e->error_code != BadAccess ) {
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kdWarning() << "grabKey: got X error " << e->type << " instead of BadAccess\n";
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}
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return 1;
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}
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}
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// g_keyModMaskXAccel
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// mask of modifiers which can be used in shortcuts
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// (meta, alt, ctrl, shift)
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// g_keyModMaskXOnOrOff
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// mask of modifiers where we don't care whether they are on or off
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// (caps lock, num lock, scroll lock)
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static uint g_keyModMaskXAccel = 0;
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static uint g_keyModMaskXOnOrOff = 0;
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static void calculateGrabMasks()
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{
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g_keyModMaskXAccel = KKeyServer::accelModMaskX();
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g_keyModMaskXOnOrOff =
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KKeyServer::modXLock() |
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KKeyServer::modXNumLock() |
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KKeyServer::modXScrollLock() |
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KKeyServer::modXModeSwitch();
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//kdDebug() << "g_keyModMaskXAccel = " << g_keyModMaskXAccel
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// << "g_keyModMaskXOnOrOff = " << g_keyModMaskXOnOrOff << endl;
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}
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//----------------------------------------------------
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static TQValueList< TDEGlobalAccelPrivate* >* all_accels = 0;
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TDEGlobalAccelPrivate::TDEGlobalAccelPrivate()
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: TDEAccelBase( TDEAccelBase::NATIVE_KEYS )
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, m_blocked( false )
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, m_blockingDisabled( false )
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, m_suspended( false )
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{
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if( all_accels == NULL )
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all_accels = new TQValueList< TDEGlobalAccelPrivate* >;
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all_accels->append( this );
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m_sConfigGroup = "Global Shortcuts";
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kapp->installX11EventFilter( this );
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connect(kapp, TQ_SIGNAL(coreFakeKeyPress(unsigned int)), this, TQ_SLOT(fakeKeyPressed(unsigned int)));
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}
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TDEGlobalAccelPrivate::~TDEGlobalAccelPrivate()
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{
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// TODO: Need to release all grabbed keys if the main window is not shutting down.
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//for( CodeModMap::ConstIterator it = m_rgCodeModToAction.begin(); it != m_rgCodeModToAction.end(); ++it ) {
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// const CodeMod& codemod = it.key();
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//}
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all_accels->remove( this );
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if( all_accels->count() == 0 ) {
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delete all_accels;
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all_accels = NULL;
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}
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}
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void TDEGlobalAccelPrivate::setEnabled( bool bEnable )
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{
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m_bEnabled = bEnable;
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updateConnections();
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}
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void TDEGlobalAccelPrivate::blockShortcuts( bool block )
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{
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if( all_accels == NULL )
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return;
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for( TQValueList< TDEGlobalAccelPrivate* >::ConstIterator it = all_accels->begin();
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it != all_accels->end();
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++it ) {
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if( (*it)->m_blockingDisabled )
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continue;
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(*it)->m_blocked = block;
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(*it)->updateConnections();
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}
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}
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void TDEGlobalAccelPrivate::disableBlocking( bool block )
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{
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m_blockingDisabled = block;
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}
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bool TDEGlobalAccelPrivate::isEnabledInternal() const
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{
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return TDEAccelBase::isEnabled() && !m_blocked;
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}
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// see #117169 - the bug is hard to reproduce, probably somewhere in X, testcase would be probably
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// difficult to make, and so on - just don't release the grabs and only ignore the events instead
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void TDEGlobalAccelPrivate::suspend( bool s )
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{
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m_suspended = s;
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}
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bool TDEGlobalAccelPrivate::emitSignal( Signal )
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{
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return false;
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}
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bool TDEGlobalAccelPrivate::connectKey( TDEAccelAction& action, const KKeyServer::Key& key )
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{ return grabKey( key, true, &action ); }
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bool TDEGlobalAccelPrivate::connectKey( const KKeyServer::Key& key )
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{ return grabKey( key, true, 0 ); }
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bool TDEGlobalAccelPrivate::disconnectKey( TDEAccelAction& action, const KKeyServer::Key& key )
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{ return grabKey( key, false, &action ); }
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bool TDEGlobalAccelPrivate::disconnectKey( const KKeyServer::Key& key )
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{ return grabKey( key, false, 0 ); }
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bool TDEGlobalAccelPrivate::grabKey( const KKeyServer::Key& key, bool bGrab, TDEAccelAction* pAction )
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{
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if( !key.code() ) {
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kdWarning(125) << "TDEGlobalAccelPrivate::grabKey( " << key.key().toStringInternal() << ", " << bGrab << ", \"" << (pAction ? pAction->name().latin1() : "(null)") << "\" ): Tried to grab key with null code." << endl;
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return false;
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}
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// Make sure that grab masks have been initialized.
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if( g_keyModMaskXOnOrOff == 0 ) {
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calculateGrabMasks();
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}
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uchar keyCodeX = key.code();
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uint keyModX = key.mod() & g_keyModMaskXAccel; // Get rid of any non-relevant bits in mod
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// HACK: make Alt+Print work
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// only do this for the Xorg default keyboard keycodes,
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// other mappings (e.g. evdev) don't need or want it
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if( key.sym() == XK_Sys_Req && XkbKeycodeToKeysym( tqt_xdisplay(), 111, 0, 0 ) == XK_Print ) {
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keyModX |= KKeyServer::modXAlt();
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keyCodeX = 111;
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}
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// If the MODE_SWITCH modifier was set in the original key, and was truncated in g_keyModMaskXAccel, XGrabKey will grab the wrong key
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// See Bug 1676
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if ((key.mod() & KKeyServer::MODE_SWITCH) && (!(g_keyModMaskXAccel & KKeyServer::MODE_SWITCH))) {
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// FIXME
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// Is there any way to make AltGr-based character sequences work with XGrabKey?
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kdWarning(125) << "TDEGlobalAccelPrivate::grabKey( " << key.key().toStringInternal() << ", " << bGrab << ", \"" << (pAction ? pAction->name().latin1() : "(null)") << "\" ): Tried to grab key requiring ISO_Level3_Shift (AltGr) sequence." << endl;
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return false;
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}
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#ifndef __osf__
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// this crashes under Tru64 so .....
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kdDebug(125) << TQString(TQString( "grabKey( key: '%1', bGrab: %2 ): keyCodeX: %3 keyModX: %4\n" )
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.arg( key.key().toStringInternal() ).arg( bGrab )
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.arg( keyCodeX, 0, 16 ).arg( keyModX, 0, 16 ));
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#endif
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if( !keyCodeX ) {
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return false;
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}
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#ifdef TQ_WS_X11
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KXErrorHandler handler( XGrabErrorHandler );
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#endif
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// We'll have to grab 8 key modifier combinations in order to cover all
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// combinations of CapsLock, NumLock, ScrollLock.
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// Does anyone with more X-savvy know how to set a mask on tqt_xrootwin so that
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// the irrelevant bits are always ignored and we can just make one XGrabKey
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// call per accelerator? -- ellis
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#ifndef NDEBUG
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TQString sDebug = TQString("\tcode: 0x%1 state: 0x%2 | ").arg(keyCodeX,0,16).arg(keyModX,0,16);
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#endif
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uint keyModMaskX = ~g_keyModMaskXOnOrOff;
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for( uint irrelevantBitsMask = 0; irrelevantBitsMask <= 0xff; irrelevantBitsMask++ ) {
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if( (irrelevantBitsMask & keyModMaskX) == 0 ) {
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#ifndef NDEBUG
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sDebug += TQString("0x%3, ").arg(irrelevantBitsMask, 0, 16);
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#endif
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if( bGrab )
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XGrabKey( tqt_xdisplay(), keyCodeX, keyModX | irrelevantBitsMask,
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tqt_xrootwin(), True, GrabModeAsync, GrabModeSync );
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else
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XUngrabKey( tqt_xdisplay(), keyCodeX, keyModX | irrelevantBitsMask, tqt_xrootwin() );
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}
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}
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#ifndef NDEBUG
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kdDebug(125) << sDebug << endl;
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#endif
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bool failed = false;
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if( bGrab ) {
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#ifdef TQ_WS_X11
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failed = handler.error( true ); // sync now
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#endif
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// If grab failed, then ungrab any grabs that could possibly succeed
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if( failed ) {
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kdDebug(125) << "grab failed!\n";
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for( uint m = 0; m <= 0xff; m++ ) {
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if(( m & keyModMaskX ) == 0 )
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XUngrabKey( tqt_xdisplay(), keyCodeX, keyModX | m, tqt_xrootwin() );
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}
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}
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}
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if( !failed )
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{
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CodeMod codemod;
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codemod.code = keyCodeX;
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codemod.mod = keyModX;
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if( key.mod() & KKeyServer::MODE_SWITCH )
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codemod.mod |= KKeyServer::MODE_SWITCH;
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if( bGrab )
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m_rgCodeModToAction.insert( codemod, pAction );
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else
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m_rgCodeModToAction.remove( codemod );
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}
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return !failed;
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}
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bool TDEGlobalAccelPrivate::x11Event( XEvent* pEvent )
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{
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//kdDebug(125) << "x11EventFilter( type = " << pEvent->type << " )" << endl;
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switch( pEvent->type ) {
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case MappingNotify:
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XRefreshKeyboardMapping( &pEvent->xmapping );
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x11MappingNotify();
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return false;
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case XKeyPress:
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if( x11KeyPress( pEvent ) ) {
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return true;
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}
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default:
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return TQWidget::x11Event( pEvent );
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}
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}
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void TDEGlobalAccelPrivate::x11MappingNotify()
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{
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kdDebug(125) << "TDEGlobalAccelPrivate::x11MappingNotify()" << endl;
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// Maybe the X modifier map has been changed.
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KKeyServer::initializeMods();
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calculateGrabMasks();
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// Do new XGrabKey()s.
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updateConnections();
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}
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void TDEGlobalAccelPrivate::fakeKeyPressed(unsigned int keyCode) {
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CodeMod codemod;
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codemod.code = keyCode;
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codemod.mod = 0;
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KKey key(keyCode, 0);
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kdDebug(125) << "fakeKeyPressed: seek " << key.toStringInternal()
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<< TQString(TQString( " keyCodeX: %1 keyCode: %2 keyModX: %3" )
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.arg( codemod.code, 0, 16 ).arg( keyCode, 0, 16 ).arg( codemod.mod, 0, 16 )) << endl;
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// Search for which accelerator activated this event:
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if( !m_rgCodeModToAction.contains( codemod ) ) {
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#ifndef NDEBUG
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for( CodeModMap::ConstIterator it = m_rgCodeModToAction.begin(); it != m_rgCodeModToAction.end(); ++it ) {
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TDEAccelAction* pAction = *it;
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kdDebug(125) << "\tcode: " << TQString::number(it.key().code, 16) << " mod: " << TQString::number(it.key().mod, 16)
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<< (pAction ? TQString(" name: \"%1\" shortcut: %2").arg(pAction->name()).arg(pAction->shortcut().toStringInternal()) : TQString())
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<< endl;
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}
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#endif
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return;
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}
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TDEAccelAction* pAction = m_rgCodeModToAction[codemod];
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if( !pAction ) {
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static bool recursion_block = false;
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if( !recursion_block ) {
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recursion_block = true;
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TQPopupMenu* pMenu = createPopupMenu( 0, KKeySequence(key) );
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connect( pMenu, TQ_SIGNAL(activated(int)), this, TQ_SLOT(slotActivated(int)) );
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pMenu->exec( TQPoint( 0, 0 ) );
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disconnect( pMenu, TQ_SIGNAL(activated(int)), this, TQ_SLOT(slotActivated(int)));
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delete pMenu;
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recursion_block = false;
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}
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} else if( !pAction->objSlotPtr() || !pAction->isEnabled() )
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return;
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else
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activate( pAction, KKeySequence(key) );
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}
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bool TDEGlobalAccelPrivate::x11KeyPress( const XEvent *pEvent )
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{
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// do not change this line unless you really really know what you are doing (Matthias)
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if ( !TQWidget::keyboardGrabber() && !TQApplication::activePopupWidget() ) {
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XUngrabKeyboard( tqt_xdisplay(), pEvent->xkey.time );
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XFlush( tqt_xdisplay()); // avoid X(?) bug
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}
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if( !isEnabledInternal() || m_suspended ) {
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return false;
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}
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CodeMod codemod;
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codemod.code = pEvent->xkey.keycode;
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codemod.mod = pEvent->xkey.state & (g_keyModMaskXAccel | KKeyServer::MODE_SWITCH);
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// If numlock is active and a keypad key is pressed, XOR the SHIFT state.
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// e.g., KP_4 => Shift+KP_Left, and Shift+KP_4 => KP_Left.
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if( pEvent->xkey.state & KKeyServer::modXNumLock() ) {
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// TODO: what's the xor operator in c++?
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uint sym = XkbKeycodeToKeysym( tqt_xdisplay(), codemod.code, 0, 0 );
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// If this is a keypad key,
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if( sym >= XK_KP_Space && sym <= XK_KP_9 ) {
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switch( sym ) {
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// Leave the following keys unaltered
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// FIXME: The proper solution is to see which keysyms don't change when shifted.
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case XK_KP_Multiply:
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case XK_KP_Add:
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case XK_KP_Subtract:
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case XK_KP_Divide:
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break;
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default:
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if( codemod.mod & KKeyServer::modXShift() )
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codemod.mod &= ~KKeyServer::modXShift();
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else
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codemod.mod |= KKeyServer::modXShift();
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}
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}
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}
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KKeyNative keyNative( pEvent );
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KKey key = keyNative;
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kdDebug(125) << "x11KeyPress: seek " << key.toStringInternal()
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<< TQString(TQString( " keyCodeX: %1 state: %2 keyModX: %3" )
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.arg( codemod.code, 0, 16 ).arg( pEvent->xkey.state, 0, 16 ).arg( codemod.mod, 0, 16 )) << endl;
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// Search for which accelerator activated this event:
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if( !m_rgCodeModToAction.contains( codemod ) ) {
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#ifndef NDEBUG
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for( CodeModMap::ConstIterator it = m_rgCodeModToAction.begin(); it != m_rgCodeModToAction.end(); ++it ) {
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TDEAccelAction* pAction = *it;
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kdDebug(125) << "\tcode: " << TQString::number(it.key().code, 16) << " mod: " << TQString::number(it.key().mod, 16)
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<< (pAction ? TQString(" name: \"%1\" shortcut: %2").arg(pAction->name()).arg(pAction->shortcut().toStringInternal()) : TQString())
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<< endl;
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}
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#endif
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return false;
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}
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TDEAccelAction* pAction = m_rgCodeModToAction[codemod];
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if( !pAction ) {
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static bool recursion_block = false;
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if( !recursion_block ) {
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recursion_block = true;
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TQPopupMenu* pMenu = createPopupMenu( 0, KKeySequence(key) );
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connect( pMenu, TQ_SIGNAL(activated(int)), this, TQ_SLOT(slotActivated(int)) );
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pMenu->exec( TQPoint( 0, 0 ) );
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disconnect( pMenu, TQ_SIGNAL(activated(int)), this, TQ_SLOT(slotActivated(int)));
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delete pMenu;
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recursion_block = false;
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}
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} else if( !pAction->objSlotPtr() || !pAction->isEnabled() )
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return false;
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else
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activate( pAction, KKeySequence(key) );
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return true;
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}
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void TDEGlobalAccelPrivate::activate( TDEAccelAction* pAction, const KKeySequence& seq )
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{
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kdDebug(125) << "TDEGlobalAccelPrivate::activate( \"" << pAction->name() << "\" ) " << endl;
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TQRegExp rexPassIndex( "([ ]*int[ ]*)" );
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TQRegExp rexPassInfo( " TQString" );
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TQRegExp rexIndex( " ([0-9]+)$" );
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// If the slot to be called accepts an integer index
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// and an index is present at the end of the action's name,
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// then send the slot the given index #.
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if( rexPassIndex.search( pAction->methodSlotPtr() ) >= 0 && rexIndex.search( pAction->name() ) >= 0 ) {
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int n = rexIndex.cap(1).toInt();
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kdDebug(125) << "Calling " << pAction->methodSlotPtr() << " int = " << n << endl;
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int slot_id = pAction->objSlotPtr()->metaObject()->findSlot( normalizeSignalSlot( pAction->methodSlotPtr() ).data() + 1, true );
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if( slot_id >= 0 ) {
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TQUObject o[2];
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static_QUType_int.set(o+1,n);
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const_cast< TQObject* >( pAction->objSlotPtr())->tqt_invoke( slot_id, o );
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}
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} else if( rexPassInfo.search( pAction->methodSlotPtr() ) ) {
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int slot_id = pAction->objSlotPtr()->metaObject()->findSlot( normalizeSignalSlot( pAction->methodSlotPtr() ).data() + 1, true );
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if( slot_id >= 0 ) {
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TQUObject o[4];
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static_QUType_TQString.set(o+1,pAction->name());
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static_QUType_TQString.set(o+2,pAction->label());
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static_QUType_ptr.set(o+3,&seq);
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const_cast< TQObject* >( pAction->objSlotPtr())->tqt_invoke( slot_id, o );
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}
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} else {
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int slot_id = pAction->objSlotPtr()->metaObject()->findSlot( normalizeSignalSlot( pAction->methodSlotPtr() ).data() + 1, true );
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if( slot_id >= 0 )
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const_cast< TQObject* >( pAction->objSlotPtr())->tqt_invoke( slot_id, 0 );
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}
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}
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void TDEGlobalAccelPrivate::slotActivated( int iAction )
|
|
{
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TDEAccelAction* pAction = TDEAccelBase::actions().actionPtr( iAction );
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if( pAction )
|
|
activate( pAction, KKeySequence() );
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|
}
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#include "kglobalaccel_x11.moc"
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|
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#endif // !TQ_WS_X11
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