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72 lines
2.1 KiB
72 lines
2.1 KiB
4 months ago
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/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _LIBINPUT_INPUT_EVENT_LABELS_H
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#define _LIBINPUT_INPUT_EVENT_LABELS_H
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#include <input/Input.h>
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#include <android/keycodes.h>
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#include <unordered_map>
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namespace android {
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template<typename T, size_t N>
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size_t size(T (&)[N]) { return N; }
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struct InputEventLabel {
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const char *literal;
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int value;
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};
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// NOTE: If you want a new key code, axis code, led code or flag code in keylayout file,
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// then you must add it to InputEventLabels.cpp.
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class InputEventLookup {
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public:
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static int lookupValueByLabel(const std::unordered_map<std::string, int>& map,
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const char* literal);
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static const char* lookupLabelByValue(const std::vector<InputEventLabel>& vec, int value);
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static int32_t getKeyCodeByLabel(const char* label);
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static const char* getLabelByKeyCode(int32_t keyCode);
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static uint32_t getKeyFlagByLabel(const char* label);
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static int32_t getAxisByLabel(const char* label);
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static const char* getAxisLabel(int32_t axisId);
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static int32_t getLedByLabel(const char* label);
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private:
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static const std::unordered_map<std::string, int> KEYCODES;
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static const std::vector<InputEventLabel> KEY_NAMES;
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static const std::unordered_map<std::string, int> AXES;
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static const std::vector<InputEventLabel> AXES_NAMES;
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static const std::unordered_map<std::string, int> LEDS;
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static const std::unordered_map<std::string, int> FLAGS;
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};
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} // namespace android
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#endif // _LIBINPUT_INPUT_EVENT_LABELS_H
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