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-rw-r--r--vcl/source/window/accel.cxx279
1 files changed, 279 insertions, 0 deletions
diff --git a/vcl/source/window/accel.cxx b/vcl/source/window/accel.cxx
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+++ b/vcl/source/window/accel.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 <sal/log.hxx>
+#include <osl/diagnose.h>
+#include <accel.hxx>
+
+#define ACCELENTRY_NOTFOUND (sal_uInt16(0xFFFF))
+
+static sal_uInt16 ImplAccelEntryGetIndex( const ImplAccelList* pList, sal_uInt16 nId,
+ sal_uInt16* pIndex = nullptr )
+{
+ size_t nLow;
+ size_t nHigh;
+ size_t nMid;
+ size_t nCount = pList->size();
+ sal_uInt16 nCompareId;
+
+ // check if first key is larger then the key to compare
+ if ( !nCount || (nId < (*pList)[ 0 ]->mnId) )
+ {
+ if ( pIndex )
+ *pIndex = 0;
+ return ACCELENTRY_NOTFOUND;
+ }
+
+ // Binary search
+ nLow = 0;
+ nHigh = nCount-1;
+ do
+ {
+ nMid = (nLow + nHigh) / 2;
+ nCompareId = (*pList)[ nMid ]->mnId;
+ if ( nId < nCompareId )
+ nHigh = nMid-1;
+ else
+ {
+ if ( nId > nCompareId )
+ nLow = nMid + 1;
+ else
+ return static_cast<sal_uInt16>(nMid);
+ }
+ }
+ while ( nLow <= nHigh );
+
+ if ( pIndex )
+ {
+ if ( nId > nCompareId )
+ *pIndex = static_cast<sal_uInt16>(nMid+1);
+ else
+ *pIndex = static_cast<sal_uInt16>(nMid);
+ }
+
+ return ACCELENTRY_NOTFOUND;
+}
+
+static void ImplAccelEntryInsert( ImplAccelList* pList, std::unique_ptr<ImplAccelEntry> pEntry )
+{
+ sal_uInt16 nInsIndex(0);
+ std::vector<ImplAccelEntry *>::size_type nIndex = ImplAccelEntryGetIndex( pList, pEntry->mnId, &nInsIndex );
+
+ if ( nIndex != ACCELENTRY_NOTFOUND )
+ {
+ do
+ {
+ nIndex++;
+ ImplAccelEntry* pTempEntry = nullptr;
+ if ( nIndex < pList->size() )
+ pTempEntry = (*pList)[ nIndex ].get();
+ if ( !pTempEntry || (pTempEntry->mnId != pEntry->mnId) )
+ break;
+ }
+ while ( nIndex < pList->size() );
+
+ if ( nIndex < pList->size() ) {
+ pList->insert( pList->begin() + nIndex, std::move(pEntry) );
+ } else {
+ pList->push_back( std::move(pEntry) );
+ }
+ }
+ else {
+ if ( nInsIndex < pList->size() ) {
+ pList->insert( pList->begin() + nInsIndex, std::move(pEntry) );
+ } else {
+ pList->push_back( std::move(pEntry) );
+ }
+ }
+}
+
+void Accelerator::ImplInit()
+{
+ mnCurId = 0;
+ mpDel = nullptr;
+}
+
+ImplAccelEntry* Accelerator::ImplGetAccelData( const vcl::KeyCode& rKeyCode ) const
+{
+ auto it = maKeyMap.find( rKeyCode.GetFullCode() );
+ if( it != maKeyMap.end() )
+ return it->second;
+ else
+ return nullptr;
+}
+
+void Accelerator::ImplCopyData( const Accelerator& rAccelData )
+{
+ // copy table
+ for (const std::unique_ptr<ImplAccelEntry>& i : rAccelData.maIdList)
+ {
+ std::unique_ptr<ImplAccelEntry> pEntry(new ImplAccelEntry( *i ));
+
+ // sequence accelerator, then copy also
+ if ( pEntry->mpAccel )
+ {
+ pEntry->mpAccel = new Accelerator( *(pEntry->mpAccel) );
+ pEntry->mpAutoAccel = pEntry->mpAccel;
+ }
+ else
+ pEntry->mpAutoAccel = nullptr;
+
+ maKeyMap.insert( std::make_pair( pEntry->maKeyCode.GetFullCode(), pEntry.get() ) );
+ maIdList.push_back( std::move(pEntry) );
+ }
+}
+
+void Accelerator::ImplDeleteData()
+{
+ // delete accelerator-entries using the id-table
+ for (const std::unique_ptr<ImplAccelEntry>& pEntry : maIdList) {
+ delete pEntry->mpAutoAccel;
+ }
+ maIdList.clear();
+}
+
+void Accelerator::ImplInsertAccel( sal_uInt16 nItemId, const vcl::KeyCode& rKeyCode,
+ bool bEnable, Accelerator* pAutoAccel )
+{
+ SAL_WARN_IF( !nItemId, "vcl", "Accelerator::InsertItem(): ItemId == 0" );
+
+ if ( rKeyCode.IsFunction() )
+ {
+ sal_uInt16 nCode1;
+ sal_uInt16 nCode2;
+ sal_uInt16 nCode3;
+ sal_uInt16 nCode4;
+ ImplGetKeyCode( rKeyCode.GetFunction(), nCode1, nCode2, nCode3, nCode4 );
+ if ( nCode1 )
+ ImplInsertAccel( nItemId, vcl::KeyCode( nCode1, nCode1 ), bEnable, pAutoAccel );
+ if ( nCode2 )
+ {
+ if ( pAutoAccel )
+ pAutoAccel = new Accelerator( *pAutoAccel );
+ ImplInsertAccel( nItemId, vcl::KeyCode( nCode2, nCode2 ), bEnable, pAutoAccel );
+ if ( nCode3 )
+ {
+ if ( pAutoAccel )
+ pAutoAccel = new Accelerator( *pAutoAccel );
+ ImplInsertAccel( nItemId, vcl::KeyCode( nCode3, nCode3 ), bEnable, pAutoAccel );
+ }
+ }
+ return;
+ }
+
+ // fetch and fill new entries
+ std::unique_ptr<ImplAccelEntry> pEntry(new ImplAccelEntry);
+ pEntry->mnId = nItemId;
+ pEntry->maKeyCode = rKeyCode;
+ pEntry->mpAccel = pAutoAccel;
+ pEntry->mpAutoAccel = pAutoAccel;
+ pEntry->mbEnabled = bEnable;
+
+ // now into the tables
+ sal_uLong nCode = rKeyCode.GetFullCode();
+ if ( !nCode )
+ {
+ OSL_FAIL( "Accelerator::InsertItem(): KeyCode with KeyCode 0 not allowed" );
+ }
+ else if ( !maKeyMap.insert( std::make_pair( nCode, pEntry.get() ) ).second )
+ {
+ SAL_WARN( "vcl", "Accelerator::InsertItem(): KeyCode (Key: " << nCode << ") already exists" );
+ }
+ else
+ ImplAccelEntryInsert( &maIdList, std::move(pEntry) );
+}
+
+Accelerator::Accelerator()
+{
+ ImplInit();
+}
+
+Accelerator::Accelerator(const Accelerator& rAccel)
+{
+ ImplInit();
+ ImplCopyData(rAccel);
+}
+
+Accelerator::~Accelerator()
+{
+
+ // inform AccelManager about deleting the Accelerator
+ if ( mpDel )
+ *mpDel = true;
+
+ ImplDeleteData();
+}
+
+void Accelerator::Activate()
+{
+ maActivateHdl.Call( *this );
+}
+
+void Accelerator::Select()
+{
+ maSelectHdl.Call( *this );
+}
+
+void Accelerator::InsertItem( sal_uInt16 nItemId, const vcl::KeyCode& rKeyCode )
+{
+ ImplInsertAccel( nItemId, rKeyCode, true, nullptr );
+}
+
+sal_uInt16 Accelerator::GetItemCount() const
+{
+ return static_cast<sal_uInt16>(maIdList.size());
+}
+
+sal_uInt16 Accelerator::GetItemId( sal_uInt16 nPos ) const
+{
+
+ ImplAccelEntry* pEntry = ( nPos < maIdList.size() ) ? maIdList[ nPos ].get() : nullptr;
+ if ( pEntry )
+ return pEntry->mnId;
+ else
+ return 0;
+}
+
+Accelerator* Accelerator::GetAccel( sal_uInt16 nItemId ) const
+{
+
+ sal_uInt16 nIndex = ImplAccelEntryGetIndex( &maIdList, nItemId );
+ if ( nIndex != ACCELENTRY_NOTFOUND )
+ return maIdList[ nIndex ]->mpAccel;
+ else
+ return nullptr;
+}
+
+Accelerator& Accelerator::operator=( const Accelerator& rAccel )
+{
+ if(this == &rAccel)
+ return *this;
+
+ // assign new data
+ mnCurId = 0;
+
+ // delete and copy tables
+ ImplDeleteData();
+ maKeyMap.clear();
+ ImplCopyData(rAccel);
+
+ return *this;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 07:49:17 +0000