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/*
* Copyright (C) 2019 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.
*/
#pragma once
#include <input/Input.h>
#include <limits.h>
namespace android {
struct StylusState {
/* Time the stylus event was received. */
nsecs_t when{};
/*
* Pressure as reported by the stylus if supported, normalized to the range [0, 1.0].
* The presence of a pressure value indicates that the stylus is able to tell whether it is
* touching the display.
*/
std::optional<float> pressure{};
/* The state of the stylus buttons as a bitfield (e.g. AMOTION_EVENT_BUTTON_SECONDARY). */
uint32_t buttons{};
/* Which tool type the stylus is currently using (e.g. ToolType::ERASER). */
ToolType toolType{ToolType::UNKNOWN};
void clear() { *this = StylusState{}; }
};
} // namespace android
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