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/*
* Copyright (C) 2005-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#include "KeyboardLayout.h"
#include "InputCodingTableFactory.h"
#include "guilib/LocalizeStrings.h"
#include "utils/CharsetConverter.h"
#include "utils/StringUtils.h"
#include "utils/XBMCTinyXML.h"
#include "utils/log.h"
#include <algorithm>
#include <set>
CKeyboardLayout::~CKeyboardLayout() = default;
bool CKeyboardLayout::Load(const TiXmlElement* element)
{
const char* language = element->Attribute("language");
if (language == NULL)
{
CLog::Log(LOGWARNING, "CKeyboardLayout: invalid \"language\" attribute");
return false;
}
m_language = language;
if (m_language.empty())
{
CLog::Log(LOGWARNING, "CKeyboardLayout: empty \"language\" attribute");
return false;
}
const char* layout = element->Attribute("layout");
if (layout == NULL)
{
CLog::Log(LOGWARNING, "CKeyboardLayout: invalid \"layout\" attribute");
return false;
}
m_layout = layout;
if (m_layout.empty())
{
CLog::Log(LOGWARNING, "CKeyboardLayout: empty \"layout\" attribute");
return false;
}
const TiXmlElement* keyboard = element->FirstChildElement("keyboard");
if (element->Attribute("codingtable"))
m_codingtable = IInputCodingTablePtr(
CInputCodingTableFactory::CreateCodingTable(element->Attribute("codingtable"), element));
else
m_codingtable = NULL;
while (keyboard != NULL)
{
// parse modifiers keys
std::set<unsigned int> modifierKeysSet;
const char* strModifiers = keyboard->Attribute("modifiers");
if (strModifiers != NULL)
{
std::string modifiers = strModifiers;
StringUtils::ToLower(modifiers);
std::vector<std::string> variants = StringUtils::Split(modifiers, ",");
for (const auto& itv : variants)
{
unsigned int iKeys = ModifierKeyNone;
std::vector<std::string> keys = StringUtils::Split(itv, "+");
for (const std::string& strKey : keys)
{
if (strKey == "shift")
iKeys |= ModifierKeyShift;
else if (strKey == "symbol")
iKeys |= ModifierKeySymbol;
}
modifierKeysSet.insert(iKeys);
}
}
// parse keyboard rows
const TiXmlNode* row = keyboard->FirstChild("row");
while (row != NULL)
{
if (!row->NoChildren())
{
std::string strRow = row->FirstChild()->ValueStr();
std::vector<std::string> chars = BreakCharacters(strRow);
if (!modifierKeysSet.empty())
{
for (const auto& it : modifierKeysSet)
m_keyboards[it].push_back(chars);
}
else
m_keyboards[ModifierKeyNone].push_back(chars);
}
row = row->NextSibling();
}
keyboard = keyboard->NextSiblingElement();
}
if (m_keyboards.empty())
{
CLog::Log(LOGWARNING, "CKeyboardLayout: no keyboard layout found");
return false;
}
return true;
}
std::string CKeyboardLayout::GetIdentifier() const
{
return StringUtils::Format("{} {}", m_language, m_layout);
}
std::string CKeyboardLayout::GetName() const
{
return StringUtils::Format(g_localizeStrings.Get(311), m_language, m_layout);
}
std::string CKeyboardLayout::GetCharAt(unsigned int row,
unsigned int column,
unsigned int modifiers) const
{
Keyboards::const_iterator mod = m_keyboards.find(modifiers);
if (modifiers != ModifierKeyNone && mod != m_keyboards.end() && mod->second.empty())
{
// fallback to basic keyboard
mod = m_keyboards.find(ModifierKeyNone);
}
if (mod != m_keyboards.end())
{
if (row < mod->second.size() && column < mod->second[row].size())
{
std::string ch = mod->second[row][column];
if (ch != " ")
return ch;
}
}
return "";
}
std::vector<std::string> CKeyboardLayout::BreakCharacters(const std::string& chars)
{
std::vector<std::string> result;
// break into utf8 characters
std::u32string chars32 = g_charsetConverter.utf8ToUtf32(chars);
for (const auto& it : chars32)
{
std::u32string char32(1, it);
result.push_back(g_charsetConverter.utf32ToUtf8(char32));
}
return result;
}
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