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-rw-r--r--vcl/source/window/accmgr.cxx228
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diff --git a/vcl/source/window/accmgr.cxx b/vcl/source/window/accmgr.cxx
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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 <accel.hxx>
+#include <accmgr.hxx>
+
+#include <algorithm>
+
+ImplAccelManager::~ImplAccelManager()
+{
+}
+
+bool ImplAccelManager::InsertAccel( Accelerator* pAccel )
+{
+ if ( !mxAccelList ) {
+ mxAccelList.emplace();
+ } else {
+ for (Accelerator* i : *mxAccelList) {
+ if ( i == pAccel ) {
+ return false;
+ }
+ }
+ }
+
+ mxAccelList->insert( mxAccelList->begin(), pAccel );
+ return true;
+}
+
+void ImplAccelManager::RemoveAccel( Accelerator const * pAccel )
+{
+ // do we have a list ?
+ if ( !mxAccelList )
+ 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 ( mxSequenceList ) {
+ for (sal_uInt16 i = 0; i < pAccel->GetItemCount(); ++i) {
+ Accelerator* pSubAccel = pAccel->GetAccel( pAccel->GetItemId(i) );
+ for (Accelerator* j : *mxSequenceList) {
+ if ( j == pSubAccel ) {
+ EndSequence();
+ i = pAccel->GetItemCount();
+ break;
+ }
+ }
+ }
+ }
+
+ // throw it away
+ auto it = std::find(mxAccelList->begin(), mxAccelList->end(), pAccel);
+ if (it != mxAccelList->end())
+ mxAccelList->erase( it );
+}
+
+void ImplAccelManager::EndSequence()
+{
+ // are we in a list ?
+ if ( !mxSequenceList )
+ return;
+
+ for (Accelerator* pTempAccel : *mxSequenceList)
+ {
+ pTempAccel->mpDel = nullptr;
+ }
+
+ // delete sequence-list
+ mxSequenceList.reset();
+}
+
+bool ImplAccelManager::IsAccelKey( const vcl::KeyCode& rKeyCode )
+{
+ Accelerator* pAccel;
+
+ // do we have accelerators ??
+ if ( !mxAccelList )
+ return false;
+ if ( mxAccelList->empty() )
+ return false;
+
+ // are we in a sequence ?
+ if ( mxSequenceList )
+ {
+ pAccel = mxSequenceList->empty() ? nullptr : (*mxSequenceList)[ 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 )
+ {
+
+ mxSequenceList->insert( mxSequenceList->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 actual item
+ // and call the handler
+ bool bDel = false;
+ pAccel->mnCurId = pEntry->mnId;
+ pAccel->mpDel = &bDel;
+ pAccel->Select();
+
+ // did the accelerator survive the call
+ if ( !bDel )
+ {
+ pAccel->mnCurId = 0;
+ pAccel->mpDel = nullptr;
+ }
+
+ 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 (Accelerator* i : *mxAccelList)
+ {
+ pAccel = 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
+ mxSequenceList.emplace();
+ mxSequenceList->insert( mxSequenceList->begin(), pAccel );
+ mxSequenceList->insert( mxSequenceList->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->mnCurId = pEntry->mnId;
+ pAccel->mpDel = &bDel;
+ pAccel->Select();
+
+ // if the accelerator did survive the call
+ if ( !bDel )
+ {
+ pAccel->mnCurId = 0;
+ pAccel->mpDel = nullptr;
+ }
+
+ return true;
+ }
+ else
+ return false;
+ }
+ }
+ }
+
+ return false;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */