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Diffstat (limited to 'include/ui/KeyLayoutMap.h')
-rw-r--r-- | include/ui/KeyLayoutMap.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/include/ui/KeyLayoutMap.h b/include/ui/KeyLayoutMap.h new file mode 100644 index 0000000..f0a6d00 --- /dev/null +++ b/include/ui/KeyLayoutMap.h @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2008 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 _UI_KEY_LAYOUT_MAP_H +#define _UI_KEY_LAYOUT_MAP_H + +#include <stdint.h> +#include <utils/Errors.h> +#include <utils/KeyedVector.h> +#include <utils/Tokenizer.h> + +namespace android { + +/** + * Describes a mapping from keyboard scan codes to Android key codes. + */ +class KeyLayoutMap { +public: + ~KeyLayoutMap(); + + static status_t load(const String8& filename, KeyLayoutMap** outMap); + + status_t map(int32_t scanCode, int32_t* keyCode, uint32_t* flags) const; + status_t findScanCodes(int32_t keyCode, Vector<int32_t>* outScanCodes) const; + +private: + struct Key { + int32_t keyCode; + uint32_t flags; + }; + + KeyedVector<int32_t,Key> mKeys; + + KeyLayoutMap(); + + class Parser { + KeyLayoutMap* mMap; + Tokenizer* mTokenizer; + + public: + Parser(KeyLayoutMap* map, Tokenizer* tokenizer); + ~Parser(); + status_t parse(); + + private: + status_t parseKey(); + }; +}; + +} // namespace android + +#endif // _UI_KEY_LAYOUT_MAP_H |