mirror of
https://github.com/gnif/LookingGlass.git
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77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
/**
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* Looking Glass
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* Copyright © 2017-2026 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#pragma once
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#include <stdint.h>
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struct InputSourceId
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{
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uint32_t client = 0;
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uint32_t generation = 0;
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};
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struct InputTargetState
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{
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uint64_t state = 0;
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InputSourceId owner;
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bool available = false;
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bool owned = false;
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};
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enum class InputResult
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{
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ACCEPTED,
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BUSY,
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UNAVAILABLE,
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STALE,
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};
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class IInputTarget
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{
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public:
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virtual ~IInputTarget() = default;
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virtual InputTargetState GetState(const InputSourceId& source) = 0;
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virtual void Failed() = 0;
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virtual InputResult Claim(const InputSourceId& source) = 0;
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virtual InputResult Touch(const InputSourceId& source) = 0;
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virtual InputResult Release(
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const InputSourceId& source, bool reset) = 0;
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virtual InputResult SendMouseRelative(const InputSourceId& source,
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int32_t deltaX, int32_t deltaY, int32_t wheel, uint32_t buttons) = 0;
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virtual InputResult SendMouseAbsolute(const InputSourceId& source,
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uint16_t x, uint16_t y, int32_t wheel, uint32_t buttons) = 0;
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virtual InputResult SendKeyboard(const InputSourceId& source,
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uint8_t modifiers, const uint8_t * keys) = 0;
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virtual InputResult Reset(const InputSourceId& source) = 0;
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};
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class IInputSource
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{
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public:
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virtual ~IInputSource() = default;
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// Start may issue target calls before it returns. Stop is a callback-
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// quiescence barrier and leaves no work that can access the target.
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virtual bool Start(IInputTarget& target) = 0;
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virtual void Stop() = 0;
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};
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