зеркало из https://github.com/mozilla/pjs.git
100 строки
2.5 KiB
C++
100 строки
2.5 KiB
C++
/*
|
|
* 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 "Tokenizer.h"
|
|
|
|
namespace android {
|
|
|
|
struct AxisInfo {
|
|
enum Mode {
|
|
// Axis value is reported directly.
|
|
MODE_NORMAL = 0,
|
|
// Axis value should be inverted before reporting.
|
|
MODE_INVERT = 1,
|
|
// Axis value should be split into two axes
|
|
MODE_SPLIT = 2,
|
|
};
|
|
|
|
// Axis mode.
|
|
Mode mode;
|
|
|
|
// Axis id.
|
|
// When split, this is the axis used for values smaller than the split position.
|
|
int32_t axis;
|
|
|
|
// When split, this is the axis used for values after higher than the split position.
|
|
int32_t highAxis;
|
|
|
|
// The split value, or 0 if not split.
|
|
int32_t splitValue;
|
|
|
|
// The flat value, or -1 if none.
|
|
int32_t flatOverride;
|
|
|
|
AxisInfo() : mode(MODE_NORMAL), axis(-1), highAxis(-1), splitValue(0), flatOverride(-1) {
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Describes a mapping from keyboard scan codes and joystick axes to Android key codes and axes.
|
|
*/
|
|
class KeyLayoutMap {
|
|
public:
|
|
~KeyLayoutMap();
|
|
|
|
static status_t load(const String8& filename, KeyLayoutMap** outMap);
|
|
|
|
status_t mapKey(int32_t scanCode, int32_t* keyCode, uint32_t* flags) const;
|
|
status_t findScanCodesForKey(int32_t keyCode, Vector<int32_t>* outScanCodes) const;
|
|
|
|
status_t mapAxis(int32_t scanCode, AxisInfo* outAxisInfo) const;
|
|
|
|
private:
|
|
struct Key {
|
|
int32_t keyCode;
|
|
uint32_t flags;
|
|
};
|
|
|
|
KeyedVector<int32_t, Key> mKeys;
|
|
KeyedVector<int32_t, AxisInfo> mAxes;
|
|
|
|
KeyLayoutMap();
|
|
|
|
class Parser {
|
|
KeyLayoutMap* mMap;
|
|
Tokenizer* mTokenizer;
|
|
|
|
public:
|
|
Parser(KeyLayoutMap* map, Tokenizer* tokenizer);
|
|
~Parser();
|
|
status_t parse();
|
|
|
|
private:
|
|
status_t parseKey();
|
|
status_t parseAxis();
|
|
};
|
|
};
|
|
|
|
} // namespace android
|
|
|
|
#endif // _UI_KEY_LAYOUT_MAP_H
|