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Cache native keyboard lock state across input-provider transitions and reconcile it with HID LED feedback over LGMP. Project raw and corrective lock-key transitions through the reliable input FIFO, defer correction until outstanding transitions settle, and recover from delayed or missing feedback without double toggling.
70 lines
2.6 KiB
C
70 lines
2.6 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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#ifndef _H_LG_CLIENT_INPUT_
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#define _H_LG_CLIENT_INPUT_
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#include "interface/input.h"
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typedef void (*LGInputKeyboardLEDsFn)(void * opaque,
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bool valid, uint8_t leds);
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typedef void (*LGInputAvailabilityFn)(void * opaque, bool available);
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void lgInput_init(void);
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void lgInput_free(void);
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void lgInput_setFallback(const LG_InputOps * ops, void * opaque);
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/* Drop functions remove a dead endpoint without invoking it. */
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void lgInput_dropFallback(void);
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void lgInput_setTransport(const LG_InputOps * ops, void * opaque);
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void lgInput_dropTransport(void);
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void lgInput_useTransport(bool enable);
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bool lgInput_available(void);
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bool lgInput_supports(LG_InputSupport support);
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/* The listener is called synchronously with the current guest LED state and
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* later from transport threads whenever it changes. The callback must not
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* call back into the input layer. */
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void lgInput_setKeyboardLEDsListener(
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LGInputKeyboardLEDsFn callback, void * opaque);
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/* The listener is called synchronously with the current input availability
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* and later from transport threads whenever it changes. The callback must
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* not call back into the input layer. */
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void lgInput_setAvailabilityListener(
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LGInputAvailabilityFn callback, void * opaque);
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bool lgInput_keyDown(int key);
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bool lgInput_keyUp(int key);
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bool lgInput_keyboardLEDs(bool numLock, bool capsLock, bool scrollLock);
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void lgInput_setKeyboardLEDsSync(bool enable);
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void lgInput_releaseKeys(void);
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void lgInput_releaseButtons(void);
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/* Release all tracked keyboard and mouse button state under one active-input
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* transaction. */
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void lgInput_releaseAll(void);
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bool lgInput_mouseMotion(int32_t x, int32_t y);
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bool lgInput_mousePosition(uint32_t x, uint32_t y, uint32_t width,
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uint32_t height);
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bool lgInput_mousePress(unsigned int button);
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bool lgInput_mouseRelease(unsigned int button);
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#endif
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