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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <tools/debug.hxx>
#include <accel.h>
#include <vcl/accel.hxx>
#include <accmgr.hxx>
ImplAccelManager::~ImplAccelManager()
{
delete mpAccelList;
delete mpSequenceList;
}
bool ImplAccelManager::InsertAccel( Accelerator* pAccel )
{
if ( !mpAccelList ) {
mpAccelList = new ImplAccelList;
} else {
for ( size_t i = 0, n = mpAccelList->size(); i < n; ++i ) {
if ( (*mpAccelList)[ i ] == pAccel ) {
return false;
}
}
}
mpAccelList->insert( mpAccelList->begin(), pAccel );
return true;
}
void ImplAccelManager::RemoveAccel( Accelerator* pAccel )
{
// do we have a list ?
if ( !mpAccelList )
return;
//e.g. #i90599#. Someone starts typing a sequence in a dialog, but doesn't
//end it, and then closes the dialog, deleting the accelerators. So if
//we're removing an accelerator that a sub-accelerator which is in the
//sequence list, throw away the entire sequence
if ( mpSequenceList ) {
for (sal_uInt16 i = 0; i < pAccel->GetItemCount(); ++i) {
Accelerator* pSubAccel = pAccel->GetAccel( pAccel->GetItemId(i) );
for ( size_t j = 0, n = mpSequenceList->size(); j < n; ++j ) {
if ( (*mpSequenceList)[ j ] == pSubAccel ) {
EndSequence();
i = pAccel->GetItemCount();
break;
}
}
}
}
// throw it away
for ( ImplAccelList::iterator it = mpAccelList->begin();
it != mpAccelList->end();
++it
) {
if ( *it == pAccel ) {
mpAccelList->erase( it );
break;
}
}
}
void ImplAccelManager::EndSequence()
{
// are we in a list ?
if ( !mpSequenceList )
return;
for ( size_t i = 0, n = mpSequenceList->size(); i < n; ++i )
{
Accelerator* pTempAccel = (*mpSequenceList)[ i ];
pTempAccel->mbIsCancel = false;
pTempAccel->mpDel = NULL;
}
// delete sequence-list
delete mpSequenceList;
mpSequenceList = NULL;
}
bool ImplAccelManager::IsAccelKey( const vcl::KeyCode& rKeyCode, sal_uInt16 nRepeat )
{
Accelerator* pAccel;
// do we have accelerators ??
if ( !mpAccelList )
return false;
if ( mpAccelList->empty() )
return false;
// are we in a sequence ?
if ( mpSequenceList )
{
pAccel = mpSequenceList->empty() ? NULL : (*mpSequenceList)[ 0 ];
// not found ?
if ( !pAccel )
{
// abort sequence
FlushAccel();
return false;
}
// can the entry be found ?
ImplAccelEntry* pEntry = pAccel->ImplGetAccelData( rKeyCode );
if ( pEntry )
{
Accelerator* pNextAccel = pEntry->mpAccel;
// is an accelerator coupled ?
if ( pNextAccel )
{
mpSequenceList->insert( mpSequenceList->begin(), pNextAccel );
// call Activate-Handler of the new one
pNextAccel->Activate();
return true;
}
else
{
// it is there already !
if ( pEntry->mbEnabled )
{
// stop sequence (first call deactivate-handler)
EndSequence();
// set accelerator of the actuel item
// and call the handler
bool bDel = false;
pAccel->maCurKeyCode = rKeyCode;
pAccel->mnCurId = pEntry->mnId;
pAccel->mnCurRepeat = nRepeat;
pAccel->mpDel = &bDel;
pAccel->Select();
// did the accelerator survive the call
if ( !bDel )
{
pAccel->maCurKeyCode = vcl::KeyCode();
pAccel->mnCurId = 0;
pAccel->mnCurRepeat = 0;
pAccel->mpDel = NULL;
}
return true;
}
else
{
// stop sequence as the accelerator was disabled
// transfer the key (to the system)
FlushAccel();
return false;
}
}
}
else
{
// wrong key => stop sequence
FlushAccel();
return false;
}
}
// step through the list of accelerators
for ( size_t i = 0, n = mpAccelList->size(); i < n; ++i )
{
pAccel = (*mpAccelList)[ i ];
// is the entry contained ?
ImplAccelEntry* pEntry = pAccel->ImplGetAccelData( rKeyCode );
if ( pEntry )
{
Accelerator* pNextAccel = pEntry->mpAccel;
// is an accelerator assigned ?
if ( pNextAccel )
{
// create sequence list
mpSequenceList = new ImplAccelList;
mpSequenceList->insert( mpSequenceList->begin(), pAccel );
mpSequenceList->insert( mpSequenceList->begin(), pNextAccel );
// call activate-Handler of the new one
pNextAccel->Activate();
return true;
}
else
{
// already assigned !
if ( pEntry->mbEnabled )
{
// first call activate/deactivate-Handler
pAccel->Activate();
// define accelerator of the actual item
// and call the handler
bool bDel = false;
pAccel->maCurKeyCode = rKeyCode;
pAccel->mnCurId = pEntry->mnId;
pAccel->mnCurRepeat = nRepeat;
pAccel->mpDel = &bDel;
pAccel->Select();
// if the accelerator did survive the call
if ( !bDel )
{
pAccel->maCurKeyCode = vcl::KeyCode();
pAccel->mnCurId = 0;
pAccel->mnCurRepeat = 0;
pAccel->mpDel = NULL;
}
return true;
}
else
return false;
}
}
}
return false;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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