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tdelibs/tdecore/kaccelbase.cpp

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/*
Copyright (C) 1997-2000 Nicolas Hadacek <hadacek@kde.org>
Copyright (C) 1998 Mark Donohoe <donohoe@kde.org>
Copyright (C) 1998 Matthias Ettrich <ettrich@kde.org>
Copyright (c) 2001,2002 Ellis Whitehead <ellis@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "kaccelbase.h"
#include <tqkeycode.h>
#include <tqlabel.h>
#include <tqpopupmenu.h>
#include <kconfig.h>
#include "kckey.h"
#include <kdebug.h>
#include <kglobal.h>
#include <kkeynative.h>
#include "kkeyserver.h"
#include <klocale.h>
#include "kshortcutmenu.h"
//---------------------------------------------------------------------
// class KAccelBase::ActionInfo
//---------------------------------------------------------------------
//---------------------------------------------------------------------
// class KAccelBase
//---------------------------------------------------------------------
KAccelBase::KAccelBase( int fInitCode )
: m_rgActions( this )
{
kdDebug(125) << "KAccelBase(): this = " << this << endl;
m_bNativeKeys = fInitCode & NATIVE_KEYS;
m_bEnabled = true;
m_sConfigGroup = "Shortcuts";
m_bConfigIsGlobal = false;
m_bAutoUpdate = false;
mtemp_pActionRemoving = 0;
}
KAccelBase::~KAccelBase()
{
kdDebug(125) << "~KAccelBase(): this = " << this << endl;
}
uint KAccelBase::actionCount() const { return m_rgActions.count(); }
KAccelActions& KAccelBase::actions() { return m_rgActions; }
bool KAccelBase::isEnabled() const { return m_bEnabled; }
// see KGlobalAccel::blockShortcuts() stuff - it's to temporarily block
// all global shortcuts, so that the key grabs are released, but from the app's
// point of view the KGlobalAccel is still enabled, so KGlobalAccel needs
// to disable key grabbing even if enabled
bool KAccelBase::isEnabledInternal() const { return isEnabled(); }
KAccelAction* KAccelBase::actionPtr( const TQString& sAction )
{ return m_rgActions.actionPtr( sAction ); }
const KAccelAction* KAccelBase::actionPtr( const TQString& sAction ) const
{ return m_rgActions.actionPtr( sAction ); }
KAccelAction* KAccelBase::actionPtr( const KKeyServer::Key& key )
{
if( !m_mapKeyToAction.contains( key ) )
return 0;
// Note: If more than one action is connected to a single key, nil will be returned.
return m_mapKeyToAction[key].pAction;
}
KAccelAction* KAccelBase::actionPtr( const KKey& key )
{
KKeyServer::Key k2;
k2.init( key, !m_bNativeKeys );
return actionPtr( k2 );
}
void KAccelBase::setConfigGroup( const TQString& sConfigGroup )
{ m_sConfigGroup = sConfigGroup; }
void KAccelBase::setConfigGlobal( bool global )
{ m_bConfigIsGlobal = global; }
bool KAccelBase::setActionEnabled( const TQString& sAction, bool bEnable )
{
KAccelAction* pAction = actionPtr( sAction );
if( pAction ) {
if( pAction->m_bEnabled != bEnable ) {
kdDebug(125) << "KAccelBase::setActionEnabled( " << sAction << ", " << bEnable << " )" << endl;
pAction->m_bEnabled = bEnable;
if( m_bAutoUpdate ) {
// FIXME: the action may already have it's connections inserted!
if( bEnable )
insertConnection( pAction );
else if( pAction->isConnected() )
removeConnection( pAction );
}
}
return true;
}
return false;
}
bool KAccelBase::setAutoUpdate( bool bAuto )
{
kdDebug(125) << "KAccelBase::setAutoUpdate( " << bAuto << " ): m_bAutoUpdate on entrance = " << m_bAutoUpdate << endl;
bool b = m_bAutoUpdate;
if( !m_bAutoUpdate && bAuto )
updateConnections();
m_bAutoUpdate = bAuto;
return b;
}
KAccelAction* KAccelBase::insert( const TQString& sAction, const TQString& sDesc, const TQString& sHelp,
const KShortcut& rgCutDefaults3, const KShortcut& rgCutDefaults4,
const TQObject* pObjSlot, const char* psMethodSlot,
bool bConfigurable, bool bEnabled )
{
//kdDebug(125) << "KAccelBase::insert() begin" << endl;
KAccelAction* pAction = m_rgActions.insert(
sAction, sDesc, sHelp,
rgCutDefaults3, rgCutDefaults4,
pObjSlot, psMethodSlot,
bConfigurable, bEnabled );
if( pAction && m_bAutoUpdate )
insertConnection( pAction );
//kdDebug(125) << "KAccelBase::insert() end" << endl;
return pAction;
}
KAccelAction* KAccelBase::insert( const TQString& sName, const TQString& sDesc )
{ return m_rgActions.insert( sName, sDesc ); }
bool KAccelBase::remove( const TQString& sAction )
{
return m_rgActions.remove( sAction );
}
void KAccelBase::slotRemoveAction( KAccelAction* pAction )
{
removeConnection( pAction );
}
bool KAccelBase::setActionSlot( const TQString& sAction, const TQObject* pObjSlot, const char* psMethodSlot )
{
kdDebug(125) << "KAccelBase::setActionSlot( " << sAction << ", " << pObjSlot << ", " << psMethodSlot << " )\n";
KAccelAction* pAction = m_rgActions.actionPtr( sAction );
if( pAction ) {
// If there was a previous connection, remove it.
if( m_bAutoUpdate && pAction->isConnected() ) {
kdDebug(125) << "\tm_pObjSlot = " << pAction->m_pObjSlot << " m_psMethodSlot = " << pAction->m_psMethodSlot << endl;
removeConnection( pAction );
}
pAction->m_pObjSlot = pObjSlot;
pAction->m_psMethodSlot = psMethodSlot;
// If we're setting a connection,
if( m_bAutoUpdate && pObjSlot && psMethodSlot )
insertConnection( pAction );
return true;
} else
return false;
}
/*
KAccelBase
Run Command=Meta+Enter;Alt+F2
KAccelAction = "Run Command"
1) KAccelKeySeries = "Meta+Enter"
1a) Meta+Enter
1b) Meta+Keypad_Enter
2) KAccelKeySeries = "Alt+F2"
1a) Alt+F2
Konqueror=Meta+I,I
KAccelAction = "Konqueror"
1) KAccelKeySeries = "Meta+I,I"
1a) Meta+I
2a) I
Something=Meta+Asterisk,X
KAccelAction = "Something"
1) KAccelKeySeries = "Meta+Asterisk,X"
1a) Meta+Shift+8
1b) Meta+Keypad_8
2a) X
read in a config entry
split by ';'
find key sequences to disconnect
find new key sequences to connect
check for conflicts with implicit keys
disconnect conflicting implicit keys
connect new key sequences
*/
/*
{
For {
for( KAccelAction::iterator itAction = m_rgActions.begin(); itAction != m_rgActions.end(); ++itAction ) {
KAccelAction& action = *itAction;
for( KAccelSeries::iterator itSeries = action.m_rgSeries.begin(); itSeries != action.m_rgSeries.end(); ++itSeries ) {
KAccelSeries& series = *itSeries;
if(
}
}
}
Sort by: iVariation, iSequence, iSeries, iAction
1) KAccelAction = "Run Command"
1) KAccelKeySeries = "Meta+Enter"
1a) Meta+Enter
1b) Meta+Keypad_Enter
2) KAccelKeySeries = "Alt+F2"
1a) Alt+F2
2) KAccelAction = "Enter Calculation"
1) KAccelKeySeries = "Meta+Keypad_Enter"
1a) Meta+Keypad_Enter
List =
Meta+Enter -> 1, 1, 1a
Meta+Keypad_Enter -> 2, 1, 1a
Alt+F2 -> 1, 2, 1a
[Meta+Keypad_Enter] -> [1, 1, 1b]
}
*/
#ifdef Q_WS_X11
struct KAccelBase::X
{
uint iAction, iSeq, iVari;
KKeyServer::Key key;
X() {}
X( uint _iAction, uint _iSeq, uint _iVari, const KKeyServer::Key& _key )
{ iAction = _iAction; iSeq = _iSeq; iVari = _iVari; key = _key; }
int compare( const X& x )
{
int n = key.compare( x.key );
if( n != 0 ) return n;
if( iVari != x.iVari ) return iVari - x.iVari;
if( iSeq != x.iSeq ) return iSeq - x.iSeq;
return 0;
}
bool operator <( const X& x ) { return compare( x ) < 0; }
bool operator >( const X& x ) { return compare( x ) > 0; }
bool operator <=( const X& x ) { return compare( x ) <= 0; }
};
#endif //Q_WS_X11
/*
#1 Ctrl+A
#2 Ctrl+A
#3 Ctrl+B
------
Ctrl+A => Null
Ctrl+B => #3
#1 Ctrl+A
#1 Ctrl+B;Ctrl+A
------
Ctrl+A => #1
Ctrl+B => #2
#1 Ctrl+A
#1 Ctrl+B,C
#1 Ctrl+B,D
------
Ctrl+A => #1
Ctrl+B => Null
#1 Ctrl+A
#2 Ctrl+Plus(Ctrl+KP_Add)
------
Ctrl+A => #1
Ctrl+Plus => #2
Ctrl+KP_Add => #2
#1 Ctrl+Plus(Ctrl+KP_Add)
#2 Ctrl+KP_Add
------
Ctrl+Plus => #1
Ctrl+KP_Add => #2
#1 Ctrl+Plus(Ctrl+KP_Add)
#2 Ctrl+A;Ctrl+KP_Add
------
Ctrl+A => #2
Ctrl+Plus => #1
Ctrl+KP_Add => #2
*/
bool KAccelBase::updateConnections()
{
#ifdef Q_WS_X11
kdDebug(125) << "KAccelBase::updateConnections() this = " << this << endl;
// Retrieve the list of keys to be connected, sorted by priority.
// (key, variation, seq)
TQValueVector<X> rgKeys;
createKeyList( rgKeys );
m_rgActionsNonUnique.clear();
KKeyToActionMap mapKeyToAction;
for( uint i = 0; i < rgKeys.size(); i++ ) {
X& x = rgKeys[i];
KKeyServer::Key& key = x.key;
ActionInfo info;
bool bNonUnique = false;
info.pAction = m_rgActions.actionPtr( x.iAction );
info.iSeq = x.iSeq;
info.iVariation = x.iVari;
// If this is a multi-key shortcut,
if( info.pAction->shortcut().seq(info.iSeq).count() > 1 )
bNonUnique = true;
// If this key is requested by more than one action,
else if( i < rgKeys.size() - 1 && key == rgKeys[i+1].key ) {
// If multiple actions requesting this key
// have the same priority as the first one,
if( info.iVariation == rgKeys[i+1].iVari && info.iSeq == rgKeys[i+1].iSeq )
bNonUnique = true;
kdDebug(125) << "key conflict = " << key.key().toStringInternal()
<< " action1 = " << info.pAction->name()
<< " action2 = " << m_rgActions.actionPtr( rgKeys[i+1].iAction )->name()
<< " non-unique = " << bNonUnique << endl;
// Skip over the other records with this same key.
while( i < rgKeys.size() - 1 && key == rgKeys[i+1].key )
i++;
}
if( bNonUnique ) {
// Remove connection to single action if there is one
if( m_mapKeyToAction.contains( key ) ) {
KAccelAction* pAction = m_mapKeyToAction[key].pAction;
if( pAction ) {
m_mapKeyToAction.remove( key );
disconnectKey( *pAction, key );
pAction->decConnections();
m_rgActionsNonUnique.append( pAction );
}
}
// Indicate that no single action is associated with this key.
m_rgActionsNonUnique.append( info.pAction );
info.pAction = 0;
}
//kdDebug(125) << "mapKeyToAction[" << key.toStringInternal() << "] = " << info.pAction << endl;
mapKeyToAction[key] = info;
}
// Disconnect keys which no longer have bindings:
for( KKeyToActionMap::iterator it = m_mapKeyToAction.begin(); it != m_mapKeyToAction.end(); ++it ) {
const KKeyServer::Key& key = it.key();
KAccelAction* pAction = (*it).pAction;
// If this key is longer used or it points to a different action now,
if( !mapKeyToAction.contains( key ) || mapKeyToAction[key].pAction != pAction ) {
if( pAction ) {
disconnectKey( *pAction, key );
pAction->decConnections();
} else
disconnectKey( key );
}
}
// Connect any unconnected keys:
// In other words, connect any keys which are present in the
// new action map, but which are _not_ present in the old one.
for( KKeyToActionMap::iterator it = mapKeyToAction.begin(); it != mapKeyToAction.end(); ++it ) {
const KKeyServer::Key& key = it.key();
KAccelAction* pAction = (*it).pAction;
if( !m_mapKeyToAction.contains( key ) || m_mapKeyToAction[key].pAction != pAction ) {
// TODO: Decide what to do if connect fails.
// Probably should remove this item from map.
if( pAction ) {
if( connectKey( *pAction, key ) )
pAction->incConnections();
} else
connectKey( key );
}
}
// Store new map.
m_mapKeyToAction = mapKeyToAction;
#ifndef NDEBUG
for( KKeyToActionMap::iterator it = m_mapKeyToAction.begin(); it != m_mapKeyToAction.end(); ++it ) {
kdDebug(125) << "Key: " << it.key().key().toStringInternal() << " => '"
<< (((*it).pAction) ? (*it).pAction->name() : TQString::null) << "'" << endl;
}
#endif
#endif //Q_WS_X11
return true;
}
#ifdef Q_WS_X11
// Construct a list of keys to be connected, sorted highest priority first.
void KAccelBase::createKeyList( TQValueVector<struct X>& rgKeys )
{
//kdDebug(125) << "KAccelBase::createKeyList()" << endl;
if( !isEnabledInternal())
return;
// create the list
// For each action
for( uint iAction = 0; iAction < m_rgActions.count(); iAction++ ) {
KAccelAction* pAction = m_rgActions.actionPtr( iAction );
if( pAction && pAction->m_pObjSlot && pAction->m_psMethodSlot && pAction != mtemp_pActionRemoving ) {
// For each key sequence associated with action
for( uint iSeq = 0; iSeq < pAction->shortcut().count(); iSeq++ ) {
const KKeySequence& seq = pAction->shortcut().seq(iSeq);
if( seq.count() > 0 ) {
KKeyServer::Variations vars;
vars.init( seq.key(0), !m_bNativeKeys );
for( uint iVari = 0; iVari < vars.count(); iVari++ ) {
if( vars.key(iVari).code() && vars.key(iVari).sym() )
rgKeys.push_back( X( iAction, iSeq, iVari, vars.key( iVari ) ) );
//kdDebug(125) << "\t" << pAction->name() << ": " << vars.key(iVari).toStringInternal() << endl;
}
}
//else
// kdDebug(125) << "\t*" << pAction->name() << ":" << endl;
}
}
}
// sort by priority: iVariation[of first key], iSequence, iAction
qHeapSort( rgKeys.begin(), rgKeys.end() );
}
#endif //Q_WS_X11
bool KAccelBase::insertConnection( KAccelAction* pAction )
{
if( !pAction->m_pObjSlot || !pAction->m_psMethodSlot )
return true;
kdDebug(125) << "KAccelBase::insertConnection( " << pAction << "=\"" << pAction->m_sName << "\"; shortcut = " << pAction->shortcut().toStringInternal() << " ) this = " << this << endl;
// For each sequence associated with the given action:
for( uint iSeq = 0; iSeq < pAction->shortcut().count(); iSeq++ ) {
// Get the first key of the sequence.
KKeyServer::Variations vars;
vars.init( pAction->shortcut().seq(iSeq).key(0), !m_bNativeKeys );
for( uint iVari = 0; iVari < vars.count(); iVari++ ) {
const KKeyServer::Key& key = vars.key( iVari );
//if( !key.isNull() ) {
if( key.sym() ) {
if( !m_mapKeyToAction.contains( key ) ) {
// If this is a single-key shortcut,
if( pAction->shortcut().seq(iSeq).count() == 1 ) {
m_mapKeyToAction[key] = ActionInfo( pAction, iSeq, iVari );
if( connectKey( *pAction, key ) )
pAction->incConnections();
}
// Else this is a multi-key shortcut,
else {
m_mapKeyToAction[key] = ActionInfo( 0, 0, 0 );
// Insert into non-unique list if it's not already there.
if( m_rgActionsNonUnique.findIndex( pAction ) == -1 )
m_rgActionsNonUnique.append( pAction );
if( connectKey( key ) )
pAction->incConnections();
}
} else {
// There is a key conflict. A full update
// check is necessary.
// TODO: make this more efficient where possible.
if( m_mapKeyToAction[key].pAction != pAction
&& m_mapKeyToAction[key].pAction != 0 ) {
kdDebug(125) << "Key conflict with action = " << m_mapKeyToAction[key].pAction->name()
<< " key = " << key.key().toStringInternal() << " : call updateConnections()" << endl;
return updateConnections();
}
}
}
}
}
//kdDebug(125) << "\tActions = " << m_rgActions.size() << endl;
//for( KAccelActions::const_iterator it = m_rgActions.begin(); it != m_rgActions.end(); ++it ) {
// kdDebug(125) << "\t" << &(*it) << " '" << (*it).m_sName << "'" << endl;
//}
//kdDebug(125) << "\tKeys = " << m_mapKeyToAction.size() << endl;
//for( KKeyToActionMap::iterator it = m_mapKeyToAction.begin(); it != m_mapKeyToAction.end(); ++it ) {
// //kdDebug(125) << "\tKey: " << it.key().toString() << " => '" << (*it)->m_sName << "'" << endl;
// kdDebug(125) << "\tKey: " << it.key().toString() << " => '" << *it << "'" << endl;
// kdDebug(125) << "\t\t'" << (*it)->m_sName << "'" << endl;
//}
return true;
}
bool KAccelBase::removeConnection( KAccelAction* pAction )
{
kdDebug(125) << "KAccelBase::removeConnection( " << pAction << " = \"" << pAction->m_sName << "\"; shortcut = " << pAction->m_cut.toStringInternal() << " ): this = " << this << endl;
//for( KKeyToActionMap::iterator it = m_mapKeyToAction.begin(); it != m_mapKeyToAction.end(); ++it )
// kdDebug(125) << "\tKey: " << it.key().toString() << " => '" << (*it)->m_sName << "'" << " " << *it << endl;
if( m_rgActionsNonUnique.findIndex( pAction ) >= 0 ) {
mtemp_pActionRemoving = pAction;
bool b = updateConnections();
mtemp_pActionRemoving = 0;
return b;
}
KKeyToActionMap::iterator it = m_mapKeyToAction.begin();
while( it != m_mapKeyToAction.end() ) {
KKeyServer::Key key = it.key();
ActionInfo* pInfo = &(*it);
// If the given action is connected to this key,
if( pAction == pInfo->pAction ) {
disconnectKey( *pAction, key );
pAction->decConnections();
KKeyToActionMap::iterator itRemove = it++;
m_mapKeyToAction.remove( itRemove );
} else
++it;
}
return true;
}
bool KAccelBase::setShortcut( const TQString& sAction, const KShortcut& cut )
{
KAccelAction* pAction = actionPtr( sAction );
if( pAction ) {
if( m_bAutoUpdate )
removeConnection( pAction );
pAction->setShortcut( cut );
if( m_bAutoUpdate && !pAction->shortcut().isNull() )
insertConnection( pAction );
return true;
} else
return false;
}
void KAccelBase::readSettings( KConfigBase* pConfig )
{
m_rgActions.readActions( m_sConfigGroup, pConfig );
if( m_bAutoUpdate )
updateConnections();
}
void KAccelBase::writeSettings( KConfigBase* pConfig ) const
{
m_rgActions.writeActions( m_sConfigGroup, pConfig, m_bConfigIsGlobal, m_bConfigIsGlobal );
}
TQPopupMenu* KAccelBase::createPopupMenu( TQWidget* pParent, const KKeySequence& seq )
{
KShortcutMenu* pMenu = new KShortcutMenu( pParent, &actions(), seq );
bool bActionInserted = false;
bool bInsertSeparator = false;
for( uint i = 0; i < actionCount(); i++ ) {
const KAccelAction* pAction = actions().actionPtr( i );
if( !pAction->isEnabled() )
continue;
// If an action has already been inserted into the menu
// and we have a label instead of an action here,
// then indicate that we should insert a separator before the next menu entry.
if( bActionInserted && !pAction->isConfigurable() && pAction->name().contains( ':' ) )
bInsertSeparator = true;
for( uint iSeq = 0; iSeq < pAction->shortcut().count(); iSeq++ ) {
const KKeySequence& seqAction = pAction->shortcut().seq(iSeq);
if( seqAction.startsWith( seq ) ) {
if( bInsertSeparator ) {
pMenu->insertSeparator();
bInsertSeparator = false;
}
pMenu->insertAction( i, seqAction );
//kdDebug(125) << "sLabel = " << sLabel << ", seq = " << (TQString)seqMenu.qt() << ", i = " << i << endl;
//kdDebug(125) << "pMenu->accel(" << i << ") = " << (TQString)pMenu->accel(i) << endl;
bActionInserted = true;
break;
}
}
}
pMenu->updateShortcuts();
return pMenu;
}
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