62 lines
1.9 KiB
Zig
62 lines
1.9 KiB
Zig
// SPDX-License-Identifier: MIT
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// Copyright (c) 2015-2020 Zig Contributors
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// This file is part of [zig](https://ziglang.org/), which is MIT licensed.
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// The MIT license requires this copyright notice to be included in all copies
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// and substantial portions of the software.
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const uefi = @import("std").os.uefi;
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const Event = uefi.Event;
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const Guid = uefi.Guid;
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const Status = uefi.Status;
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/// Protocol for touchscreens
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pub const AbsolutePointerProtocol = extern struct {
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_reset: fn (*const AbsolutePointerProtocol, bool) callconv(.C) Status,
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_get_state: fn (*const AbsolutePointerProtocol, *AbsolutePointerState) callconv(.C) Status,
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wait_for_input: Event,
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mode: *AbsolutePointerMode,
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/// Resets the pointer device hardware.
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pub fn reset(self: *const AbsolutePointerProtocol, verify: bool) Status {
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return self._reset(self, verify);
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}
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/// Retrieves the current state of a pointer device.
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pub fn getState(self: *const AbsolutePointerProtocol, state: *AbsolutePointerState) Status {
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return self._get_state(self, state);
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}
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pub const guid align(8) = Guid{
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.time_low = 0x8d59d32b,
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.time_mid = 0xc655,
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.time_high_and_version = 0x4ae9,
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.clock_seq_high_and_reserved = 0x9b,
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.clock_seq_low = 0x15,
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.node = [_]u8{ 0xf2, 0x59, 0x04, 0x99, 0x2a, 0x43 },
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};
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};
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pub const AbsolutePointerMode = extern struct {
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absolute_min_x: u64,
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absolute_min_y: u64,
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absolute_min_z: u64,
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absolute_max_x: u64,
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absolute_max_y: u64,
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absolute_max_z: u64,
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attributes: packed struct {
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supports_alt_active: bool,
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supports_pressure_as_z: bool,
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_pad1: u30,
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},
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};
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pub const AbsolutePointerState = extern struct {
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current_x: u64,
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current_y: u64,
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current_z: u64,
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active_buttons: packed struct {
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touch_active: bool,
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alt_active: bool,
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_pad1: u30,
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},
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};
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