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Add keycode translator.
The keycode translates scancodes into Linux keycodes so they can be sent to the virtio-input device. The translation is based on Chromium's existing table, but converted into Rust. BUG=chromium:1023975 TEST=None Change-Id: Icd709e40c6d12775fdce0738f3dde3620f6c7da5 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1962872 Tested-by: kokoro <noreply+kokoro@google.com> Commit-Queue: Noah Gold <nkgold@google.com> Reviewed-by: Zach Reizner <zachr@chromium.org>
This commit is contained in:
Noah Gold
Commit Bot
parent
778953faa1
commit
1d80dcc01c
3 changed files with 606 additions and 0 deletions
539
gpu_display/src/keycode_converter/data.rs
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539
gpu_display/src/keycode_converter/data.rs
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#[derive(Debug, Clone, Copy)]
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pub struct MapEntry {
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pub linux_keycode: u16,
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pub xkb: u32,
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pub win: u32,
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pub mac: u32,
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}
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// Based on Chromium's chromium/chromium/ui/events/keycodes/dom/keycode_converter_data.inc.
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pub const KEYCODE_MAP: [MapEntry; 88] = [
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MapEntry {
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linux_keycode: 30,
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xkb: 0x0026,
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win: 0x001e,
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mac: 0x0000,
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},
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MapEntry {
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linux_keycode: 48,
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xkb: 0x0038,
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win: 0x0030,
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mac: 0x000b,
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},
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MapEntry {
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linux_keycode: 46,
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xkb: 0x0036,
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win: 0x002e,
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mac: 0x0008,
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},
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MapEntry {
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linux_keycode: 32,
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xkb: 0x0028,
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win: 0x0020,
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mac: 0x0002,
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},
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MapEntry {
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linux_keycode: 18,
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xkb: 0x001a,
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win: 0x0012,
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mac: 0x000e,
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},
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MapEntry {
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linux_keycode: 33,
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xkb: 0x0029,
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win: 0x0021,
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mac: 0x0003,
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},
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MapEntry {
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linux_keycode: 34,
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xkb: 0x002a,
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win: 0x0022,
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mac: 0x0005,
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},
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MapEntry {
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linux_keycode: 35,
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xkb: 0x002b,
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win: 0x0023,
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mac: 0x0004,
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},
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MapEntry {
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linux_keycode: 23,
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xkb: 0x001f,
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win: 0x0017,
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mac: 0x0022,
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},
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MapEntry {
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linux_keycode: 36,
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xkb: 0x002c,
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win: 0x0024,
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mac: 0x0026,
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},
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MapEntry {
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linux_keycode: 37,
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xkb: 0x002d,
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win: 0x0025,
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mac: 0x0028,
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},
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MapEntry {
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linux_keycode: 38,
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xkb: 0x002e,
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win: 0x0026,
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mac: 0x0025,
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},
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MapEntry {
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linux_keycode: 50,
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xkb: 0x003a,
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win: 0x0032,
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mac: 0x002e,
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},
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MapEntry {
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linux_keycode: 49,
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xkb: 0x0039,
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win: 0x0031,
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mac: 0x002d,
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},
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MapEntry {
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linux_keycode: 24,
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xkb: 0x0020,
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win: 0x0018,
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mac: 0x001f,
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},
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MapEntry {
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linux_keycode: 25,
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xkb: 0x0021,
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win: 0x0019,
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mac: 0x0023,
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},
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MapEntry {
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linux_keycode: 16,
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xkb: 0x0018,
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win: 0x0010,
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mac: 0x000c,
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},
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MapEntry {
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linux_keycode: 19,
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xkb: 0x001b,
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win: 0x0013,
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mac: 0x000f,
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},
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MapEntry {
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linux_keycode: 31,
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xkb: 0x0027,
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win: 0x001f,
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mac: 0x0001,
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},
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MapEntry {
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linux_keycode: 20,
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xkb: 0x001c,
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win: 0x0014,
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mac: 0x0011,
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},
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MapEntry {
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linux_keycode: 22,
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xkb: 0x001e,
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win: 0x0016,
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mac: 0x0020,
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},
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MapEntry {
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linux_keycode: 47,
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xkb: 0x0037,
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win: 0x002f,
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mac: 0x0009,
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},
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MapEntry {
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linux_keycode: 17,
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xkb: 0x0019,
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win: 0x0011,
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mac: 0x000d,
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},
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MapEntry {
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linux_keycode: 45,
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xkb: 0x0035,
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win: 0x002d,
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mac: 0x0007,
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},
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MapEntry {
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linux_keycode: 21,
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xkb: 0x001d,
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win: 0x0015,
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mac: 0x0010,
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},
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MapEntry {
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linux_keycode: 44,
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xkb: 0x0034,
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win: 0x002c,
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mac: 0x0006,
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},
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MapEntry {
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linux_keycode: 2,
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xkb: 0x000a,
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win: 0x0002,
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mac: 0x0012,
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},
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MapEntry {
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linux_keycode: 3,
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xkb: 0x000b,
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win: 0x0003,
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mac: 0x0013,
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},
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MapEntry {
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linux_keycode: 4,
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xkb: 0x000c,
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win: 0x0004,
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mac: 0x0014,
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},
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MapEntry {
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linux_keycode: 5,
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xkb: 0x000d,
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win: 0x0005,
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mac: 0x0015,
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},
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MapEntry {
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linux_keycode: 6,
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xkb: 0x000e,
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win: 0x0006,
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mac: 0x0017,
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},
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MapEntry {
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linux_keycode: 7,
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xkb: 0x000f,
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win: 0x0007,
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mac: 0x0016,
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},
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MapEntry {
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linux_keycode: 8,
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xkb: 0x0010,
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win: 0x0008,
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mac: 0x001a,
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},
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MapEntry {
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linux_keycode: 9,
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xkb: 0x0011,
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win: 0x0009,
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mac: 0x001c,
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},
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MapEntry {
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linux_keycode: 10,
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xkb: 0x0012,
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win: 0x000a,
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mac: 0x0019,
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},
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MapEntry {
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linux_keycode: 11,
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xkb: 0x0013,
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win: 0x000b,
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mac: 0x001d,
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},
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MapEntry {
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linux_keycode: 28,
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xkb: 0x0024,
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win: 0x001c,
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mac: 0x0024,
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},
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MapEntry {
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linux_keycode: 1,
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xkb: 0x0009,
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win: 0x0001,
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mac: 0x0035,
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},
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MapEntry {
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linux_keycode: 14,
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xkb: 0x0016,
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win: 0x000e,
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mac: 0x0033,
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},
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MapEntry {
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linux_keycode: 15,
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xkb: 0x0017,
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win: 0x000f,
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mac: 0x0030,
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},
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MapEntry {
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linux_keycode: 57,
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xkb: 0x0041,
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win: 0x0039,
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mac: 0x0031,
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},
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MapEntry {
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linux_keycode: 12,
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xkb: 0x0014,
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win: 0x000c,
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mac: 0x001b,
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},
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MapEntry {
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linux_keycode: 13,
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xkb: 0x0015,
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win: 0x000d,
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mac: 0x0018,
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},
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MapEntry {
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linux_keycode: 26,
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xkb: 0x0022,
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win: 0x001a,
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mac: 0x0021,
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},
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MapEntry {
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linux_keycode: 27,
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xkb: 0x0023,
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win: 0x001b,
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mac: 0x001e,
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},
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MapEntry {
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linux_keycode: 43,
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xkb: 0x0033,
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win: 0x002b,
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mac: 0x002a,
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},
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MapEntry {
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linux_keycode: 39,
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xkb: 0x002f,
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win: 0x0027,
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mac: 0x0029,
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},
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MapEntry {
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linux_keycode: 40,
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xkb: 0x0030,
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win: 0x0028,
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mac: 0x0027,
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},
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MapEntry {
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linux_keycode: 399,
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xkb: 0x0031,
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win: 0x0029,
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mac: 0x0032,
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},
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MapEntry {
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linux_keycode: 51,
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xkb: 0x003b,
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win: 0x0033,
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mac: 0x002b,
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},
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MapEntry {
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linux_keycode: 52,
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xkb: 0x003c,
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win: 0x0034,
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mac: 0x002f,
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},
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MapEntry {
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linux_keycode: 53,
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xkb: 0x003d,
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win: 0x0035,
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mac: 0x002c,
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},
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MapEntry {
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linux_keycode: 58,
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xkb: 0x0042,
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win: 0x003a,
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mac: 0x0039,
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},
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MapEntry {
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linux_keycode: 119,
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xkb: 0x007f,
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win: 0x0045,
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mac: 0xffff,
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},
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MapEntry {
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linux_keycode: 110,
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xkb: 0x0076,
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win: 0xe052,
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mac: 0x0072,
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},
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MapEntry {
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linux_keycode: 102,
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xkb: 0x006e,
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win: 0xe047,
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mac: 0x0073,
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},
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MapEntry {
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linux_keycode: 104,
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xkb: 0x0070,
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win: 0xe049,
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mac: 0x0074,
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},
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MapEntry {
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linux_keycode: 111,
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xkb: 0x0077,
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win: 0xe053,
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mac: 0x0075,
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},
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MapEntry {
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linux_keycode: 107,
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xkb: 0x0073,
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win: 0xe04f,
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mac: 0x0077,
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},
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MapEntry {
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linux_keycode: 109,
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xkb: 0x0075,
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win: 0xe051,
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mac: 0x0079,
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},
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MapEntry {
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linux_keycode: 106,
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xkb: 0x0072,
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win: 0xe04d,
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mac: 0x007c,
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},
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MapEntry {
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linux_keycode: 105,
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xkb: 0x0071,
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win: 0xe04b,
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mac: 0x007b,
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},
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MapEntry {
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linux_keycode: 108,
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xkb: 0x0074,
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win: 0xe050,
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mac: 0x007d,
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},
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MapEntry {
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linux_keycode: 103,
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xkb: 0x006f,
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win: 0xe048,
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mac: 0x007e,
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},
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MapEntry {
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linux_keycode: 69,
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xkb: 0x004d,
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win: 0xe045,
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mac: 0x0047,
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},
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MapEntry {
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linux_keycode: 98,
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xkb: 0x006a,
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win: 0xe035,
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mac: 0x004b,
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},
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MapEntry {
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linux_keycode: 78,
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xkb: 0x0056,
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win: 0x004e,
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mac: 0x0045,
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},
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MapEntry {
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linux_keycode: 28,
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xkb: 0x0068,
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win: 0xe01c,
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mac: 0x004c,
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},
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MapEntry {
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linux_keycode: 79,
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xkb: 0x0057,
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win: 0x004f,
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mac: 0x0053,
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},
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MapEntry {
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linux_keycode: 80,
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xkb: 0x0058,
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win: 0x0050,
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mac: 0x0054,
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},
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MapEntry {
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linux_keycode: 81,
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xkb: 0x0059,
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win: 0x0051,
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mac: 0x0055,
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},
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MapEntry {
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linux_keycode: 75,
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xkb: 0x0053,
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win: 0x004b,
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mac: 0x0056,
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},
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MapEntry {
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linux_keycode: 76,
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xkb: 0x0054,
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win: 0x004c,
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mac: 0x0057,
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},
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MapEntry {
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linux_keycode: 77,
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xkb: 0x0055,
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win: 0x004d,
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mac: 0x0058,
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},
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MapEntry {
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linux_keycode: 71,
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xkb: 0x004f,
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win: 0x0047,
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mac: 0x0059,
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},
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MapEntry {
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linux_keycode: 72,
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xkb: 0x0050,
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win: 0x0048,
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mac: 0x005b,
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},
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MapEntry {
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linux_keycode: 73,
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xkb: 0x0051,
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win: 0x0049,
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mac: 0x005c,
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},
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MapEntry {
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linux_keycode: 82,
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xkb: 0x005a,
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win: 0x0052,
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mac: 0x0052,
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},
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MapEntry {
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linux_keycode: 116,
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xkb: 0x007c,
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win: 0xe05e,
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mac: 0xffff,
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},
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MapEntry {
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linux_keycode: 121,
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xkb: 0x0081,
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win: 0x007e,
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mac: 0x005f,
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},
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MapEntry {
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linux_keycode: 29,
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xkb: 0x0025,
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win: 0x001d,
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mac: 0x003b,
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},
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MapEntry {
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linux_keycode: 42,
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xkb: 0x0032,
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win: 0x002a,
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mac: 0x0038,
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},
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MapEntry {
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linux_keycode: 56,
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xkb: 0x0040,
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win: 0x0038,
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mac: 0x003a,
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},
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MapEntry {
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linux_keycode: 125,
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xkb: 0x0085,
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win: 0xe05b,
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mac: 0x0037,
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},
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MapEntry {
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linux_keycode: 97,
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xkb: 0x0069,
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win: 0xe01d,
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mac: 0x003e,
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},
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MapEntry {
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linux_keycode: 54,
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xkb: 0x003e,
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win: 0x0036,
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mac: 0x003c,
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},
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MapEntry {
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linux_keycode: 100,
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xkb: 0x006c,
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win: 0xe038,
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mac: 0x003d,
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},
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MapEntry {
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linux_keycode: 126,
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xkb: 0x0086,
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win: 0xe05c,
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mac: 0x0036,
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},
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];
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66
gpu_display/src/keycode_converter/mod.rs
Normal file
66
gpu_display/src/keycode_converter/mod.rs
Normal file
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@ -0,0 +1,66 @@
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// Copyright 2019 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
|
||||
|
||||
mod data;
|
||||
|
||||
use data::{MapEntry, KEYCODE_MAP};
|
||||
use std::collections::HashMap;
|
||||
|
||||
/// Specifies which type of scancode to convert *from* in the KeycodeTranslator.
|
||||
pub enum KeycodeTypes {
|
||||
XkbScancode,
|
||||
WindowsScancode,
|
||||
MacScancode,
|
||||
}
|
||||
|
||||
/// Translates scancodes of a particular type into Linux keycodes.
|
||||
pub struct KeycodeTranslator {
|
||||
keycode_map: HashMap<u32, MapEntry>,
|
||||
}
|
||||
|
||||
impl KeycodeTranslator {
|
||||
/// Create a new KeycodeTranslator that translates from the `from_type` type to Linux keycodes.
|
||||
pub fn new(from_type: KeycodeTypes) -> KeycodeTranslator {
|
||||
let mut kcm: HashMap<u32, MapEntry> = HashMap::new();
|
||||
for entry in KEYCODE_MAP.into_iter() {
|
||||
kcm.insert(
|
||||
match from_type {
|
||||
KeycodeTypes::XkbScancode => entry.xkb,
|
||||
KeycodeTypes::WindowsScancode => entry.win,
|
||||
KeycodeTypes::MacScancode => entry.mac,
|
||||
},
|
||||
*entry,
|
||||
);
|
||||
}
|
||||
KeycodeTranslator { keycode_map: kcm }
|
||||
}
|
||||
|
||||
/// Translates the scancode in `from_code` into a Linux keycode.
|
||||
pub fn translate(&self, from_code: u32) -> Option<u16> {
|
||||
Some(self.keycode_map.get(&from_code)?.linux_keycode)
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use crate::keycode_converter::KeycodeTranslator;
|
||||
use crate::keycode_converter::KeycodeTypes;
|
||||
|
||||
#[test]
|
||||
fn test_translate_win_lin() {
|
||||
let translator = KeycodeTranslator::new(KeycodeTypes::WindowsScancode);
|
||||
let translated_code = translator.translate(0x47);
|
||||
assert!(translated_code.is_some());
|
||||
assert_eq!(translated_code.unwrap(), 71);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_translate_missing_entry() {
|
||||
let translator = KeycodeTranslator::new(KeycodeTypes::WindowsScancode);
|
||||
|
||||
// No keycodes are this large.
|
||||
let translated_code = translator.translate(0x9999999);
|
||||
assert!(translated_code.is_none());
|
||||
}
|
||||
}
|
||||
|
|
@ -15,6 +15,7 @@ mod event_device;
|
|||
mod gpu_display_wl;
|
||||
#[cfg(feature = "x")]
|
||||
mod gpu_display_x;
|
||||
mod keycode_converter;
|
||||
|
||||
pub use event_device::{EventDevice, EventDeviceKind, EventEncoded};
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue