| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed 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 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef _LIBINPUT_VIRTUAL_KEY_MAP_H |
| #define _LIBINPUT_VIRTUAL_KEY_MAP_H |
| |
| #include <stdint.h> |
| |
| #include <input/Input.h> |
| #include <utils/Errors.h> |
| #include <utils/KeyedVector.h> |
| #include <utils/Tokenizer.h> |
| #include <utils/Unicode.h> |
| #include <vector> |
| |
| namespace android { |
| |
| /* Describes a virtual key. */ |
| struct VirtualKeyDefinition { |
| int32_t scanCode; |
| |
| // configured position data, specified in display coords |
| int32_t centerX; |
| int32_t centerY; |
| int32_t width; |
| int32_t height; |
| }; |
| |
| |
| /** |
| * Describes a collection of virtual keys on a touch screen in terms of |
| * virtual scan codes and hit rectangles. |
| * |
| * This object is immutable after it has been loaded. |
| */ |
| class VirtualKeyMap { |
| public: |
| ~VirtualKeyMap(); |
| |
| static std::unique_ptr<VirtualKeyMap> load(const std::string& filename); |
| |
| inline const std::vector<VirtualKeyDefinition>& getVirtualKeys() const { |
| return mVirtualKeys; |
| } |
| |
| private: |
| class Parser { |
| VirtualKeyMap* mMap; |
| Tokenizer* mTokenizer; |
| |
| public: |
| Parser(VirtualKeyMap* map, Tokenizer* tokenizer); |
| ~Parser(); |
| status_t parse(); |
| |
| private: |
| bool consumeFieldDelimiterAndSkipWhitespace(); |
| bool parseNextIntField(int32_t* outValue); |
| }; |
| |
| std::vector<VirtualKeyDefinition> mVirtualKeys; |
| |
| VirtualKeyMap(); |
| }; |
| |
| } // namespace android |
| |
| #endif // _LIBINPUT_KEY_CHARACTER_MAP_H |