mirror of
https://github.com/gnif/LookingGlass.git
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726086a969
Expose a Consumer Control HID report for the system volume usages that Windows does not handle through the Keyboard/Keypad usage page. Translate the existing mute and volume keyboard usages at the LGInput boundary, preserve normal keyboard state, and force a neutral consumer report across resets and HID device reactivation.
88 lines
2.0 KiB
C
88 lines
2.0 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 <stddef.h>
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#include <stdint.h>
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enum HIDReportId : uint8_t
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{
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HID_REPORT_ID_MOUSE_ABSOLUTE = 1,
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HID_REPORT_ID_MOUSE_RELATIVE = 2,
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HID_REPORT_ID_KEYBOARD = 3,
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HID_REPORT_ID_CONSUMER = 4,
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};
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#pragma pack(push, 1)
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struct HIDMouseAbsoluteReport
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{
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uint8_t reportId;
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uint32_t buttons;
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uint16_t x;
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uint16_t y;
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int8_t wheel;
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};
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struct HIDMouseRelativeReport
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{
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uint8_t reportId;
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uint32_t buttons;
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int16_t x;
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int16_t y;
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int8_t wheel;
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};
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struct HIDKeyboardReport
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{
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uint8_t reportId;
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uint8_t modifiers;
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uint8_t reserved;
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uint8_t keys[6];
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};
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struct HIDKeyboardLedsReport
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{
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uint8_t reportId;
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uint8_t leds;
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};
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struct HIDConsumerReport
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{
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uint8_t reportId;
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uint16_t usage;
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};
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#pragma pack(pop)
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static_assert(sizeof(HIDMouseAbsoluteReport) == 10);
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static_assert(sizeof(HIDMouseRelativeReport) == 10);
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static_assert(sizeof(HIDKeyboardReport) == 9);
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static_assert(sizeof(HIDKeyboardLedsReport) == 2);
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static_assert(sizeof(HIDConsumerReport) == 3);
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static constexpr size_t HID_MAX_INPUT_REPORT_SIZE =
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sizeof(HIDMouseAbsoluteReport);
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const uint8_t * HIDGetReportDescriptor();
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size_t HIDGetReportDescriptorSize();
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size_t HIDGetInputReportSize(uint8_t reportId);
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