872db4f11e
Native doesn't ever actually care about the attributes of keys, so move all of it up into the managed layer and move all of the key names down so they're defined once. Change-Id: Ic8ded13ce050b2b98744735ff50d11e8d882d7d5
98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
/*
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* Copyright (C) 2010 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_KEYBOARD_H
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#define _LIBINPUT_KEYBOARD_H
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#include <input/Input.h>
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#include <input/InputDevice.h>
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#include <input/InputEventLabels.h>
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#include <utils/Errors.h>
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#include <utils/String8.h>
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#include <utils/PropertyMap.h>
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namespace android {
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enum {
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/* Device id of the built in keyboard. */
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DEVICE_ID_BUILT_IN_KEYBOARD = 0,
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/* Device id of a generic virtual keyboard with a full layout that can be used
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* to synthesize key events. */
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DEVICE_ID_VIRTUAL_KEYBOARD = -1,
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};
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class KeyLayoutMap;
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class KeyCharacterMap;
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/**
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* Loads the key layout map and key character map for a keyboard device.
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*/
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class KeyMap {
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public:
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String8 keyLayoutFile;
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sp<KeyLayoutMap> keyLayoutMap;
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String8 keyCharacterMapFile;
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sp<KeyCharacterMap> keyCharacterMap;
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KeyMap();
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~KeyMap();
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status_t load(const InputDeviceIdentifier& deviceIdenfier,
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const PropertyMap* deviceConfiguration);
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inline bool haveKeyLayout() const {
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return !keyLayoutFile.isEmpty();
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}
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inline bool haveKeyCharacterMap() const {
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return !keyCharacterMapFile.isEmpty();
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}
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inline bool isComplete() const {
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return haveKeyLayout() && haveKeyCharacterMap();
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}
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private:
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bool probeKeyMap(const InputDeviceIdentifier& deviceIdentifier, const String8& name);
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status_t loadKeyLayout(const InputDeviceIdentifier& deviceIdentifier, const String8& name);
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status_t loadKeyCharacterMap(const InputDeviceIdentifier& deviceIdentifier,
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const String8& name);
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String8 getPath(const InputDeviceIdentifier& deviceIdentifier,
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const String8& name, InputDeviceConfigurationFileType type);
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};
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/**
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* Returns true if the keyboard is eligible for use as a built-in keyboard.
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*/
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extern bool isEligibleBuiltInKeyboard(const InputDeviceIdentifier& deviceIdentifier,
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const PropertyMap* deviceConfiguration, const KeyMap* keyMap);
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/**
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* Updates a meta state field when a key is pressed or released.
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*/
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extern int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState);
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/**
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* Returns true if a key is a meta key like ALT or CAPS_LOCK.
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*/
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extern bool isMetaKey(int32_t keyCode);
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} // namespace android
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#endif // _LIBINPUT_KEYBOARD_H
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