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const std = @import("std");
const uefi = std.os.uefi;
const Event = uefi.Event;
const Guid = uefi.Guid;
const Status = uefi.Status;
const cc = uefi.cc;
const Error = Status.Error;
/// Protocol for mice.
pub const SimplePointer = struct {
_reset: *const fn (*SimplePointer, bool) callconv(cc) Status,
_get_state: *const fn (*const SimplePointer, *State) callconv(cc) Status,
wait_for_input: Event,
mode: *Mode,
pub const ResetError = uefi.UnexpectedError || error{DeviceError};
pub const GetStateError = uefi.UnexpectedError || error{
NotReady,
DeviceError,
};
/// Resets the pointer device hardware.
pub fn reset(self: *SimplePointer, verify: bool) ResetError!void {
switch (self._reset(self, verify)) {
.success => {},
.device_error => return Error.DeviceError,
else => |status| return uefi.unexpectedStatus(status),
}
}
/// Retrieves the current state of a pointer device.
pub fn getState(self: *const SimplePointer) GetStateError!State {
var state: State = undefined;
switch (self._get_state(self, &state)) {
.success => return state,
.not_ready => return Error.NotReady,
.device_error => return Error.DeviceError,
else => |status| return uefi.unexpectedStatus(status),
}
}
pub const guid align(8) = Guid{
.time_low = 0x31878c87,
.time_mid = 0x0b75,
.time_high_and_version = 0x11d5,
.clock_seq_high_and_reserved = 0x9a,
.clock_seq_low = 0x4f,
.node = [_]u8{ 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d },
};
pub const Mode = struct {
resolution_x: u64,
resolution_y: u64,
resolution_z: u64,
left_button: bool,
right_button: bool,
};
pub const State = struct {
relative_movement_x: i32,
relative_movement_y: i32,
relative_movement_z: i32,
left_button: bool,
right_button: bool,
};
};
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