Add Lithuanian keymap and sendstring LUT (#8562)

* Add Lithuanian keymap and sendstring LUT

* Add Lithuanian AZERTY

quantum/keymap_extras/keymap_lithuanian_azerty.h

@@ -0,0 +1,156 @@
+/* Copyright 2020
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "keymap.h"
+
+// clang-format off
+
+/*
+ * ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───────┐
+ * │ ` │ ! │ - │ / │ ; │ : │ , │ . │ = │ ( │ ) │ ? │ X │       │
+ * ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─────┤
+ * │     │ Ą │ Ž │ E │ R │ T │ Y │ U │ I │ O │ P │ Į │ W │     │
+ * ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┐    │
+ * │      │ A │ S │ D │ Š │ G │ H │ J │ K │ L │ Ų │ Ė │ Q │    │
+ * ├────┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┴────┤
+ * │    │ < │ Z │ Ū │ C │ V │ B │ N │ M │ Č │ F │ Ę │          │
+ * ├────┼───┴┬──┴─┬─┴───┴───┴───┴───┴───┴──┬┴───┼───┴┬────┬────┤
+ * │    │    │    │                        │    │    │    │    │
+ * └────┴────┴────┴────────────────────────┴────┴────┴────┴────┘
+ */
+// Row 1
+#define LT_GRV  KC_GRV  // `
+#define LT_EXLM KC_1    // !
+#define LT_MINS KC_2    // -
+#define LT_SLSH KC_3    // /
+#define LT_SCLN KC_4    // ;
+#define LT_COLN KC_5    // :
+#define LT_COMM KC_6    // ,
+#define LT_DOT  KC_7    // .
+#define LT_EQL  KC_8    // =
+#define LT_LPRN KC_9    // (
+#define LT_RPRN KC_0    // )
+#define LT_QUES KC_MINS // ?
+#define LT_X    KC_EQL  // X
+// Row 2
+#define LT_AOGO KC_Q    // Ą
+#define LT_ZCAR KC_W    // Ž
+#define LT_E    KC_E    // E
+#define LT_R    KC_R    // R
+#define LT_T    KC_T    // T
+#define LT_Y    KC_Y    // Y
+#define LT_U    KC_U    // U
+#define LT_I    KC_I    // I
+#define LT_O    KC_O    // O
+#define LT_P    KC_P    // P
+#define LT_IOGO KC_LBRC // Į
+#define LT_W    KC_RBRC // W
+// Row 3
+#define LT_A    KC_A    // A
+#define LT_S    KC_S    // S
+#define LT_D    KC_D    // D
+#define LT_SCAR KC_F    // Š
+#define LT_G    KC_G    // G
+#define LT_H    KC_H    // H
+#define LT_J    KC_J    // J
+#define LT_K    KC_K    // K
+#define LT_L    KC_L    // L
+#define LT_UOGO KC_SCLN // Ų
+#define LT_EDOT KC_QUOT // Ė
+#define LT_Q    KC_NUHS // Q
+// Row 4
+#define LT_LABK KC_NUBS // <
+#define LT_Z    KC_Z    // Z
+#define LT_UMAC KC_X    // Ū
+#define LT_C    KC_C    // C
+#define LT_V    KC_V    // V
+#define LT_B    KC_B    // B
+#define LT_N    KC_N    // N
+#define LT_M    KC_M    // M
+#define LT_CCAR KC_COMM // Č
+#define LT_F    KC_DOT  // F
+#define LT_EOGO KC_SLSH // Ę
+
+/* Shifted symbols
+ * ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───────┐
+ * │ ~ │ 1 │ 2 │ 3 │ 4 │ 5 │ 6 │ 7 │ 8 │ 9 │ 0 │ + │   │       │
+ * ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─────┤
+ * │     │   │   │   │   │   │   │   │   │   │   │   │   │     │
+ * ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┐    │
+ * │      │   │   │   │   │   │   │   │   │   │   │   │   │    │
+ * ├────┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┴────┤
+ * │    │ > │   │   │   │   │   │   │   │   │   │   │          │
+ * ├────┼───┴┬──┴─┬─┴───┴───┴───┴───┴───┴──┬┴───┼───┴┬────┬────┤
+ * │    │    │    │                        │    │    │    │    │
+ * └────┴────┴────┴────────────────────────┴────┴────┴────┴────┘
+ */
+// Row 1
+#define LT_TILD S(LT_GRV)  // ~
+#define LT_1    S(LT_EXLM) // 1
+#define LT_2    S(LT_MINS) // 2
+#define LT_3    S(LT_SLSH) // 3
+#define LT_4    S(LT_SCLN) // 4
+#define LT_5    S(LT_COLN) // 5
+#define LT_6    S(LT_COMM) // 6
+#define LT_7    S(LT_DOT)  // 7
+#define LT_8    S(LT_EQL)  // 8
+#define LT_9    S(LT_LPRN) // 9
+#define LT_0    S(LT_RPRN) // 0
+#define LT_PLUS S(LT_QUES) // +
+// Row 4
+#define LT_RABK S(LT_LABK) // >
+
+/* AltGr symbols
+ * ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───────┐
+ * │ ´ │ @ │ _ │ # │ $ │ § │ ^ │ & │ * │ [ │ ] │ ' │ % │       │
+ * ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─────┤
+ * │     │   │   │ € │   │   │   │   │   │   │   │ { │ } │     │
+ * ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┐    │
+ * │      │   │   │   │   │   │   │   │   │   │   │ " │ | │    │
+ * ├────┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┴────┤
+ * │    │ – │   │   │   │   │   │   │   │ „ │ “ │ \ │          │
+ * ├────┼───┴┬──┴─┬─┴───┴───┴───┴───┴───┴──┬┴───┼───┴┬────┬────┤
+ * │    │    │    │                        │    │    │    │    │
+ * └────┴────┴────┴────────────────────────┴────┴────┴────┴────┘
+ */
+// Row 1
+#define LT_ACUT ALGR(LT_GRV)  // ´
+#define LT_AT   ALGR(LT_EXLM) // @
+#define LT_UNDS ALGR(LT_MINS) // _
+#define LT_HASH ALGR(LT_SLSH) // #
+#define LT_DLR  ALGR(LT_SCLN) // $
+#define LT_SECT ALGR(LT_COLN) // §
+#define LT_CIRC ALGR(LT_COMM) // ^
+#define LT_AMPR ALGR(LT_DOT)  // &
+#define LT_ASTR ALGR(LT_EQL)  // *
+#define LT_LBRC ALGR(LT_LRPN) // [
+#define LT_RBRC ALGR(LT_RPRN) // ]
+#define LT_QUOT ALGR(LT_QUES) // '
+#define LT_PERC ALGR(LT_X)    // %
+// Row 2
+#define LT_EURO ALGR(LT_E)    // €
+#define LT_LCBR ALGR(LT_IOGO) // {
+#define LT_RCBR ALGR(LT_W)    // }
+// Row 3
+#define LT_DQUO ALGR(LT_EDOT) // "
+#define LT_PIPE ALGR(LT_Q)    // |
+// Row 4
+#define LT_NDSH ALGR(LT_LABK) // –
+#define LT_DLQU ALGR(LT_CCAR) // „
+#define LT_LDQU ALGR(LT_F)    // “
+#define LT_BSLS ALGR(LT_EOGO) // (backslash)

quantum/keymap_extras/keymap_lithuanian_qwerty.h

@@ -0,0 +1,166 @@
+/* Copyright 2020
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "keymap.h"
+
+// clang-format off
+
+/*
+ * ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───────┐
+ * │ ` │ Ą │ Č │ Ę │ Ė │ Į │ Š │ Ų │ Ū │ 9 │ 0 │ - │ Ž │       │
+ * ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─────┤
+ * │     │ Q │ W │ E │ R │ T │ Y │ U │ I │ O │ P │ [ │ ] │     │
+ * ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┐    │
+ * │      │ A │ S │ D │ F │ G │ H │ J │ K │ L │ ; │ ' │ \ │    │
+ * ├──────┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┴────┤
+ * │        │ Z │ X │ C │ V │ B │ N │ M │ , │ . │ / │          │
+ * ├────┬───┴┬──┴─┬─┴───┴───┴───┴───┴───┴──┬┴───┼───┴┬────┬────┤
+ * │    │    │    │                        │    │    │    │    │
+ * └────┴────┴────┴────────────────────────┴────┴────┴────┴────┘
+ */
+// Row 1
+#define LT_GRV  KC_GRV  // `
+#define LT_AOGO KC_1    // Ą
+#define LT_CCAR KC_2    // Č
+#define LT_EOGO KC_3    // Ę
+#define LT_EDOT KC_4    // Ė
+#define LT_IOGO KC_5    // Į
+#define LT_SCAR KC_6    // Š
+#define LT_UOGO KC_7    // Ų
+#define LT_UMAC KC_8    // Ū
+#define LT_9    KC_9    // 9
+#define LT_0    KC_0    // 0
+#define LT_MINS KC_MINS // -
+#define LT_ZCAR KC_EQL  // Ž
+// Row 2
+#define LT_Q    KC_Q    // Q
+#define LT_W    KC_W    // W
+#define LT_E    KC_E    // E
+#define LT_R    KC_R    // R
+#define LT_T    KC_T    // T
+#define LT_Y    KC_Y    // Y
+#define LT_U    KC_U    // U
+#define LT_I    KC_I    // I
+#define LT_O    KC_O    // O
+#define LT_P    KC_P    // P
+#define LT_LBRC KC_LBRC // [
+#define LT_RBRC KC_RBRC // ]
+// Row 3
+#define LT_A    KC_A    // A
+#define LT_S    KC_S    // S
+#define LT_D    KC_D    // D
+#define LT_F    KC_F    // F
+#define LT_G    KC_G    // G
+#define LT_H    KC_H    // H
+#define LT_J    KC_J    // J
+#define LT_K    KC_K    // K
+#define LT_L    KC_L    // L
+#define LT_SCLN KC_SCLN // ;
+#define LT_QUOT KC_QUOT // '
+#define LT_BSLS KC_NUHS // (backslash)
+// Row 4
+#define LT_Z    KC_Z    // Z
+#define LT_X    KC_X    // X
+#define LT_C    KC_C    // C
+#define LT_V    KC_V    // V
+#define LT_B    KC_B    // B
+#define LT_N    KC_N    // N
+#define LT_M    KC_M    // M
+#define LT_COMM KC_COMM // ,
+#define LT_DOT  KC_DOT  // .
+#define LT_SLSH KC_SLSH // /
+
+/* Shifted symbols
+ * ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───────┐
+ * │ ~ │   │   │   │   │   │   │   │   │ ( │ ) │ _ │   │       │
+ * ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─────┤
+ * │     │   │   │   │   │   │   │   │   │   │   │ { │ } │     │
+ * ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┐    │
+ * │      │   │   │   │   │   │   │   │   │   │ : │ " │ | │    │
+ * ├──────┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┴────┤
+ * │        │   │   │   │   │   │   │   │ < │ > │ ? │          │
+ * ├────┬───┴┬──┴─┬─┴───┴───┴───┴───┴───┴──┬┴───┼───┴┬────┬────┤
+ * │    │    │    │                        │    │    │    │    │
+ * └────┴────┴────┴────────────────────────┴────┴────┴────┴────┘
+ */
+// Row 1
+#define LT_TILD S(LT_GRV)  // ~
+#define LT_LPRN S(LT_9)    // (
+#define LT_RPRN S(LT_0)    // )
+#define LT_UNDS S(LT_MINS) // *
+// Row 2
+#define LT_LCBR S(LT_LBRC) // {
+#define LT_RCBR S(LT_RBRC) // }
+// Row 3
+#define LT_COLN S(LT_SCLN) // ;
+#define LT_DQUO S(LT_QUOT) // "
+#define LT_PIPE S(LT_BSLS) // |
+// Row 4
+#define LT_LABK S(LT_COMM) // <
+#define LT_RABK S(LT_DOT)  // >
+#define LT_QUES S(LT_SLSH) // ?
+
+/* AltGr symbols
+ * ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───────┐
+ * │   │ 1 │ 2 │ 3 │ 4 │ 5 │ 6 │ 7 │ 8 │   │   │   │ = │       │
+ * ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─────┤
+ * │     │   │   │ € │   │   │   │   │   │   │   │   │   │     │
+ * ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┐    │
+ * │      │   │   │   │   │   │   │   │   │   │   │   │   │    │
+ * ├──────┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┴────┤
+ * │        │   │   │   │   │   │   │   │   │   │   │          │
+ * ├────┬───┴┬──┴─┬─┴───┴───┴───┴───┴───┴──┬┴───┼───┴┬────┬────┤
+ * │    │    │    │                        │    │    │    │    │
+ * └────┴────┴────┴────────────────────────┴────┴────┴────┴────┘
+ */
+// Row 1
+#define LT_1    ALGR(LT_AOGO) // 1
+#define LT_2    ALGR(LT_CCAR) // 2
+#define LT_3    ALGR(LT_EOGO) // 3
+#define LT_4    ALGR(LT_EDOT) // 4
+#define LT_5    ALGR(LT_IOGO) // 5
+#define LT_6    ALGR(LT_SCAR) // 6
+#define LT_7    ALGR(LT_UOGO) // 7
+#define LT_8    ALGR(LT_UMAC) // 8
+#define LT_EQL  ALGR(LT_PLUS) // =
+// Row 2
+#define LT_EURO ALGR(LT_E)    // €
+
+/* Shift+AltGr symbols
+ * ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───────┐
+ * │   │ ! │ @ │ # │ $ │ % │ ^ │ & │ * │   │   │   │ + │       │
+ * ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─────┤
+ * │     │   │   │   │   │   │   │   │   │   │   │   │   │     │
+ * ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┐    │
+ * │      │   │   │   │   │   │   │   │   │   │   │   │   │    │
+ * ├──────┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┴────┤
+ * │        │   │   │   │   │   │   │   │   │   │   │          │
+ * ├────┬───┴┬──┴─┬─┴───┴───┴───┴───┴───┴──┬┴───┼───┴┬────┬────┤
+ * │    │    │    │                        │    │    │    │    │
+ * └────┴────┴────┴────────────────────────┴────┴────┴────┴────┘
+ */
+// Row 1
+#define LT_EXLM S(ALGR(LT_AOGO)) // !
+#define LT_AT   S(ALGR(LT_CCAR)) // @
+#define LT_HASH S(ALGR(LT_EOGO)) // #
+#define LT_DLR  S(ALGR(LT_EDOT)) // $
+#define LT_PERC S(ALGR(LT_IOGO)) // %
+#define LT_CIRC S(ALGR(LT_SCAR)) // ^
+#define LT_AMPR S(ALGR(LT_UOGO)) // &
+#define LT_ASTR S(ALGR(LT_UMAC)) // *
+#define LT_PLUS S(ALGR(LT_PLUS)) // +

quantum/keymap_extras/sendstring_lithuanian_azerty.h

@@ -0,0 +1,100 @@
+/* Copyright 2020
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+// Sendstring lookup tables for Lithuanian ĄŽERTY layouts
+
+#pragma once
+
+#include "keymap_lithuanian_azerty.h"
+#include "quantum.h"
+
+// clang-format off
+
+const uint8_t ascii_to_shift_lut[16] PROGMEM = {
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 1, 0, 0, 0, 0),
+    KCLUT_ENTRY(1, 1, 1, 1, 1, 1, 1, 1),
+    KCLUT_ENTRY(1, 1, 0, 0, 0, 0, 1, 0),
+    KCLUT_ENTRY(0, 1, 1, 1, 1, 1, 1, 1),
+    KCLUT_ENTRY(1, 1, 1, 1, 1, 1, 1, 1),
+    KCLUT_ENTRY(1, 1, 1, 1, 1, 1, 1, 1),
+    KCLUT_ENTRY(1, 1, 1, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 1, 0)
+};
+
+const uint8_t ascii_to_altgr_lut[16] PROGMEM = {
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+
+    KCLUT_ENTRY(0, 0, 1, 1, 1, 1, 1, 1),
+    KCLUT_ENTRY(0, 0, 1, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(1, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 1, 1, 1, 1, 1),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 1, 1, 1, 0, 0)
+};
+
+const uint8_t ascii_to_keycode_lut[128] PROGMEM = {
+    // NUL   SOH      STX      ETX      EOT      ENQ      ACK      BEL
+    XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+    // BS    TAB      LF       VT       FF       CR       SO       SI
+    KC_BSPC, KC_TAB,  KC_ENT,  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+    // DLE   DC1      DC2      DC3      DC4      NAK      SYN      ETB
+    XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+    // CAN   EM       SUB      ESC      FS       GS       RS       US
+    XXXXXXX, XXXXXXX, XXXXXXX, KC_ESC,  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+
+    //       !        "        #        $        %        &        '
+    KC_SPC,  LT_EXLM, LT_EDOT, LT_SLSH, LT_SCLN, LT_X,    LT_DOT,  LT_QUES,
+    // (     )        *        +        ,        -        .        /
+    LT_LRPN, LT_RPRN, LT_EQL,  LT_QUES, LT_COMM, LT_MINS, LT_DOT,  LT_SLSH,
+    // 0     1        2        3        4        5        6        7
+    LT_RPRN, LT_EXLM, LT_MINS, LT_SLSH, LT_SLCN, LT_COLN, LT_COMM, LT_DOT,
+    // 8     9        :        ;        <        =        >        ?
+    LT_EQL,  LT_LPRN, LT_COLN, LT_SCLN, LT_LABK, LT_EQL,  LT_LABK, LT_QUES,
+    // @     A        B        C        D        E        F        G
+    LT_EXLM, LT_A,    LT_B,    LT_C,    LT_D,    LT_E,    LT_F,    LT_G,
+    // H     I        J        K        L        M        N        O
+    LT_H,    LT_I,    LT_J,    LT_K,    LT_L,    LT_M,    LT_N,    LT_O,
+    // P     Q        R        S        T        U        V        W
+    LT_P,    LT_Q,    LT_R,    LT_S,    LT_T,    LT_U,    LT_V,    LT_W,
+    // X     Y        Z        [        \        ]        ^        _
+    LT_X,    LT_Y,    LT_Z,    LT_LPRN, LT_EOGO, LT_RPRN, LT_COMM, LT_MINS,
+    // `     a        b        c        d        e        f        g
+    LT_GRV,  LT_A,    LT_B,    LT_C,    LT_D,    LT_E,    LT_F,    LT_G,
+    // h     i        j        k        l        m        n        o
+    LT_H,    LT_I,    LT_J,    LT_K,    LT_L,    LT_M,    LT_N,    LT_O,
+    // p     q        r        s        t        u        v        w
+    LT_P,    LT_Q,    LT_R,    LT_S,    LT_T,    LT_U,    LT_V,    LT_W,
+    // x     y        z        {        |        }        ~        DEL
+    LT_X,    LT_Y,    LT_Z,    LT_IOGO, LT_Q,    LT_W,    LT_GRV,  KC_DEL
+};

quantum/keymap_extras/sendstring_lithuanian_qwerty.h

@@ -0,0 +1,80 @@
+/* Copyright 2020
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+// Sendstring lookup tables for Lithuanian QWERTY layouts
+
+#pragma once
+
+#include "keymap_lithuanian_qwerty.h"
+#include "quantum.h"
+
+// clang-format off
+
+const uint8_t ascii_to_altgr_lut[16] PROGMEM = {
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+
+    KCLUT_ENTRY(0, 1, 0, 1, 1, 1, 1, 0),
+    KCLUT_ENTRY(0, 0, 1, 1, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 1, 1, 1, 1, 1, 1, 1),
+    KCLUT_ENTRY(1, 0, 0, 0, 0, 1, 0, 0),
+    KCLUT_ENTRY(1, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 1, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0),
+    KCLUT_ENTRY(0, 0, 0, 0, 0, 0, 0, 0)
+};
+
+const uint8_t ascii_to_keycode_lut[128] PROGMEM = {
+    // NUL   SOH      STX      ETX      EOT      ENQ      ACK      BEL
+    XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+    // BS    TAB      LF       VT       FF       CR       SO       SI
+    KC_BSPC, KC_TAB,  KC_ENT,  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+    // DLE   DC1      DC2      DC3      DC4      NAK      SYN      ETB
+    XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+    // CAN   EM       SUB      ESC      FS       GS       RS       US
+    XXXXXXX, XXXXXXX, XXXXXXX, KC_ESC,  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+
+    //       !        "        #        $        %        &        '
+    KC_SPC,  LT_1,    LT_QUOT, LT_3,    LT_4,    LT_5,    LT_7,    LT_QUOT,
+    // (     )        *        +        ,        -        .        /
+    LT_9,    LT_0,    LT_8,    LT_ZCAR, LT_COMM, LT_MINS, LT_DOT,  LT_SLSH,
+    // 0     1        2        3        4        5        6        7
+    LT_0,    LT_AOGO, LT_CCAR, LT_EOGO, LT_EDOT, LT_IOGO, LT_SCAR, LT_UOGO,
+    // 8     9        :        ;        <        =        >        ?
+    LT_UMAC, LT_9,    LT_SCLN, LT_SCLN, LT_COMM, LT_PLUS, LT_DOT,  LT_SLSH,
+    // @     A        B        C        D        E        F        G
+    LT_CCAR, LT_A,    LT_B,    LT_C,    LT_D,    LT_E,    LT_F,    LT_G,
+    // H     I        J        K        L        M        N        O
+    LT_H,    LT_I,    LT_J,    LT_K,    LT_L,    LT_M,    LT_N,    LT_O,
+    // P     Q        R        S        T        U        V        W
+    LT_P,    LT_Q,    LT_R,    LT_S,    LT_T,    LT_U,    LT_V,    LT_W,
+    // X     Y        Z        [        \        ]        ^        _
+    LT_X,    LT_Y,    LT_Z,    LT_LBRC, LT_BSLS, LT_RBRC, LT_SCAR, LT_MINS,
+    // `     a        b        c        d        e        f        g
+    LT_GRV,  LT_A,    LT_B,    LT_C,    LT_D,    LT_E,    LT_F,    LT_G,
+    // h     i        j        k        l        m        n        o
+    LT_H,    LT_I,    LT_J,    LT_K,    LT_L,    LT_M,    LT_N,    LT_O,
+    // p     q        r        s        t        u        v        w
+    LT_P,    LT_Q,    LT_R,    LT_S,    LT_T,    LT_U,    LT_V,    LT_W,
+    // x     y        z        {        |        }        ~        DEL
+    LT_X,    LT_Y,    LT_Z,    LT_LBRC, LT_BSLS, LT_RBRC, LT_GRV,  KC_DEL
+};