1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
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 touchscreens.
pub const AbsolutePointer = extern struct {
_reset: *const fn (*AbsolutePointer, bool) callconv(cc) Status,
_get_state: *const fn (*const AbsolutePointer, *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: *AbsolutePointer, 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 AbsolutePointer) 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 = 0x8d59d32b,
.time_mid = 0xc655,
.time_high_and_version = 0x4ae9,
.clock_seq_high_and_reserved = 0x9b,
.clock_seq_low = 0x15,
.node = [_]u8{ 0xf2, 0x59, 0x04, 0x99, 0x2a, 0x43 },
};
pub const Mode = extern struct {
absolute_min_x: u64,
absolute_min_y: u64,
absolute_min_z: u64,
absolute_max_x: u64,
absolute_max_y: u64,
absolute_max_z: u64,
attributes: Attributes,
pub const Attributes = packed struct(u32) {
supports_alt_active: bool,
supports_pressure_as_z: bool,
_pad: u30 = 0,
};
};
pub const State = extern struct {
current_x: u64,
current_y: u64,
current_z: u64,
active_buttons: ActiveButtons,
pub const ActiveButtons = packed struct(u32) {
touch_active: bool,
alt_active: bool,
_pad: u30 = 0,
};
};
};
|
