| // Copyright 2010-2015, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "session/internal/key_event_transformer.h" |
| |
| #include <string> |
| |
| #include "base/logging.h" |
| #include "base/port.h" |
| #include "base/singleton.h" |
| #include "base/util.h" |
| #include "config/config.pb.h" |
| #include "config/config_handler.h" |
| #include "session/commands.pb.h" |
| #include "session/key_event_util.h" |
| |
| namespace mozc { |
| namespace session { |
| |
| KeyEventTransformer::KeyEventTransformer() { |
| config::Config config; |
| config::ConfigHandler::GetDefaultConfig(&config); |
| ReloadConfig(config); |
| } |
| |
| KeyEventTransformer::~KeyEventTransformer() { |
| } |
| |
| void KeyEventTransformer::ReloadConfig(const config::Config &config) { |
| numpad_character_form_ = config.numpad_character_form(); |
| |
| table_.clear(); |
| const config::Config::PunctuationMethod punctuation = |
| config.punctuation_method(); |
| if (punctuation == config::Config::COMMA_PERIOD || |
| punctuation == config::Config::COMMA_TOUTEN) { |
| commands::KeyEvent key_event; |
| key_event.set_key_code(static_cast<uint32>(',')); |
| // "," |
| key_event.set_key_string("\xef\xbc\x8c"); |
| // "、" |
| table_.insert(make_pair("\xe3\x80\x81", key_event)); |
| } |
| if (punctuation == config::Config::COMMA_PERIOD || |
| punctuation == config::Config::KUTEN_PERIOD) { |
| commands::KeyEvent key_event; |
| key_event.set_key_code(static_cast<uint32>('.')); |
| // "." |
| key_event.set_key_string("\xef\xbc\x8e"); |
| // "。" |
| table_.insert(make_pair("\xe3\x80\x82", key_event)); |
| } |
| |
| const config::Config::SymbolMethod symbol = config.symbol_method(); |
| if (symbol == config::Config::SQUARE_BRACKET_SLASH || |
| symbol == config::Config::SQUARE_BRACKET_MIDDLE_DOT) { |
| { |
| commands::KeyEvent key_event; |
| key_event.set_key_code(static_cast<uint32>('[')); |
| // "[" |
| key_event.set_key_string("\xef\xbc\xbb"); |
| // "「" |
| table_.insert(make_pair("\xe3\x80\x8c", key_event)); |
| } |
| { |
| commands::KeyEvent key_event; |
| key_event.set_key_code(static_cast<uint32>(']')); |
| // "]" |
| key_event.set_key_string("\xef\xbc\xbd"); |
| // "」" |
| table_.insert(make_pair("\xe3\x80\x8d", key_event)); |
| } |
| } |
| if (symbol == config::Config::SQUARE_BRACKET_SLASH || |
| symbol == config::Config::CORNER_BRACKET_SLASH) { |
| commands::KeyEvent key_event; |
| key_event.set_key_code(static_cast<uint32>('/')); |
| // "/" |
| key_event.set_key_string("\xef\xbc\x8f"); |
| // "・" |
| table_.insert(make_pair("\xE3\x83\xBB", key_event)); |
| } |
| } |
| |
| bool KeyEventTransformer::TransformKeyEvent(commands::KeyEvent *key_event) { |
| if (key_event == NULL) { |
| LOG(ERROR) << "key_event is NULL"; |
| return false; |
| } |
| if (TransformKeyEventForNumpad(key_event)) { |
| return true; |
| } |
| if (TransformKeyEventForKana(key_event)) { |
| return true; |
| } |
| return false; |
| } |
| |
| bool KeyEventTransformer::TransformKeyEventForNumpad( |
| commands::KeyEvent *key_event) { |
| DCHECK(key_event); |
| |
| if (!KeyEventUtil::IsNumpadKey(*key_event)) { |
| return false; |
| } |
| |
| { |
| commands::KeyEvent key_event_origin; |
| key_event_origin.CopyFrom(*key_event); |
| KeyEventUtil::NormalizeNumpadKey(key_event_origin, key_event); |
| } |
| |
| // commands::KeyEvent::SEPARATOR is transformed to Enter. |
| if (key_event->has_special_key()) { |
| DCHECK_EQ(commands::KeyEvent::ENTER, key_event->special_key()); |
| return true; |
| } |
| |
| bool is_full_width = true; |
| switch (numpad_character_form_) { |
| case config::Config::NUMPAD_INPUT_MODE: |
| is_full_width = true; |
| key_event->set_input_style(commands::KeyEvent::FOLLOW_MODE); |
| break; |
| case config::Config::NUMPAD_FULL_WIDTH: |
| is_full_width = true; |
| key_event->set_input_style(commands::KeyEvent::AS_IS); |
| break; |
| case config::Config::NUMPAD_HALF_WIDTH: |
| is_full_width = false; |
| key_event->set_input_style(commands::KeyEvent::AS_IS); |
| break; |
| case config::Config::NUMPAD_DIRECT_INPUT: |
| is_full_width = false; |
| key_event->set_input_style(commands::KeyEvent::DIRECT_INPUT); |
| break; |
| default: |
| LOG(ERROR) << "Unknown numpad character form value."; |
| // Use the same behavior with NUMPAD_HALF_WIDTH as a fallback. |
| is_full_width = false; |
| key_event->set_input_style(commands::KeyEvent::AS_IS); |
| break; |
| } |
| |
| // All key event except for commands::KeyEvent::SEPARATOR should have key code |
| // and it's value should represent a ASCII character since it is generated |
| // from numpad key. |
| DCHECK(key_event->has_key_code()); |
| const uint32 key_code = key_event->key_code(); |
| DCHECK_GT(128, key_code); |
| const string half_width_key_string(1, static_cast<char>(key_code)); |
| |
| if (is_full_width) { |
| string full_width_key_string; |
| Util::HalfWidthAsciiToFullWidthAscii(half_width_key_string, |
| &full_width_key_string); |
| key_event->set_key_string(full_width_key_string); |
| } else { |
| key_event->set_key_string(half_width_key_string); |
| } |
| |
| return true; |
| } |
| |
| bool KeyEventTransformer::TransformKeyEventForKana( |
| commands::KeyEvent *key_event) { |
| DCHECK(key_event); |
| |
| if (!key_event->has_key_string()) { |
| return false; |
| } |
| if (key_event->modifier_keys_size() > 0) { |
| return false; |
| } |
| if (key_event->has_modifiers() && key_event->modifiers() != 0) { |
| return false; |
| } |
| |
| const Table::const_iterator it = table_.find(key_event->key_string()); |
| if (it == table_.end()) { |
| return false; |
| } |
| |
| key_event->CopyFrom(it->second); |
| return true; |
| } |
| |
| } // namespace session |
| } // namespace mozc |