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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 <accelerators/acceleratorcache.hxx>
#include <com/sun/star/container/NoSuchElementException.hpp>
#include <vcl/svapp.hxx>
namespace framework
{
bool AcceleratorCache::hasKey(const css::awt::KeyEvent& aKey) const
{
return (m_lKey2Commands.find(aKey) != m_lKey2Commands.end());
}
bool AcceleratorCache::hasCommand(const OUString& sCommand) const
{
return (m_lCommand2Keys.find(sCommand) != m_lCommand2Keys.end());
}
AcceleratorCache::TKeyList AcceleratorCache::getAllKeys() const
{
TKeyList lKeys;
lKeys.reserve(m_lKey2Commands.size());
for (auto const& key2Command : m_lKey2Commands)
{
lKeys.push_back(key2Command.first);
}
return lKeys;
}
void AcceleratorCache::removeKeyForCommand(const OUString& sCommand, const css::awt::KeyEvent& aKey)
{
// get keylist for that command
TCommand2Keys::iterator pCommand = m_lCommand2Keys.find(sCommand);
if (pCommand == m_lCommand2Keys.end())
return;
TKeyList& lKeys = pCommand->second;
// one or more keys assign
if (lKeys.size() == 1)
// remove key from optimized command list
m_lCommand2Keys.erase(sCommand);
else // only remove this key from the keylist
{
auto pKeys = ::std::find(lKeys.begin(), lKeys.end(), aKey);
if (pKeys != lKeys.end())
lKeys.erase(pKeys);
}
}
void AcceleratorCache::setKeyCommandPair(const css::awt::KeyEvent& aKey, const OUString& sCommand)
{
// remove any previous binding for the key
if (auto oldCommandPos = m_lKey2Commands.find(aKey); oldCommandPos != m_lKey2Commands.end())
{
// Take another ref to the command because the other string is
// the key in the map and it’s going to get destroyed.
OUString oldCommand = oldCommandPos->second;
removeKeyForCommand(oldCommand, aKey);
}
// register command for the specified key
m_lKey2Commands[aKey] = sCommand;
// update optimized structure to bind multiple keys to one command
TKeyList& rKeyList = m_lCommand2Keys[sCommand];
rKeyList.push_back(aKey);
}
AcceleratorCache::TKeyList AcceleratorCache::getKeysByCommand(const OUString& sCommand) const
{
TCommand2Keys::const_iterator pCommand = m_lCommand2Keys.find(sCommand);
if (pCommand == m_lCommand2Keys.end())
throw css::container::NoSuchElementException();
return pCommand->second;
}
OUString AcceleratorCache::getCommandByKey(const css::awt::KeyEvent& aKey) const
{
TKey2Commands::const_iterator pKey = m_lKey2Commands.find(aKey);
if (pKey == m_lKey2Commands.end())
throw css::container::NoSuchElementException();
return pKey->second;
}
void AcceleratorCache::removeKey(const css::awt::KeyEvent& aKey)
{
// check if key exists
TKey2Commands::const_iterator pKey = m_lKey2Commands.find(aKey);
if (pKey == m_lKey2Commands.end())
return;
// get its registered command
// Because we must know its place inside the optimized
// structure, which bind keys to commands, too!
OUString sCommand = pKey->second;
pKey = m_lKey2Commands.end(); // nobody should use an undefined value .-)
// remove key from primary list
m_lKey2Commands.erase(aKey);
removeKeyForCommand(sCommand, aKey);
}
void AcceleratorCache::removeCommand(const OUString& sCommand)
{
const TKeyList aKeys = getKeysByCommand(sCommand);
for (auto const& lKey : aKeys)
{
removeKey(lKey);
}
}
} // namespace framework
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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