From a2090d5e863a580d71e29de104844d5fc4fbe036 Mon Sep 17 00:00:00 2001
From: Drashna Jaelre <drashna@live.com>
Date: Tue, 2 Oct 2018 11:08:41 -0700
Subject: Add AltGr/RALT support to Send String

---
 quantum/quantum.c | 43 ++++++++++++++++++++++++++++++++++---------
 1 file changed, 34 insertions(+), 9 deletions(-)

(limited to 'quantum')

diff --git a/quantum/quantum.c b/quantum/quantum.c
index a4ccccd00d..0fe918b365 100644
--- a/quantum/quantum.c
+++ b/quantum/quantum.c
@@ -850,6 +850,26 @@ const bool ascii_to_shift_lut[0x80] PROGMEM = {
     0, 0, 0, 1, 1, 1, 1, 0
 };
 
+__attribute__ ((weak))
+const bool ascii_to_alt_lut[0x80] PROGMEM = {
+    0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0
+};
+
 __attribute__ ((weak))
 const uint8_t ascii_to_keycode_lut[0x80] PROGMEM = {
     0, 0, 0, 0, 0, 0, 0, 0,
@@ -932,16 +952,21 @@ void send_string_with_delay_P(const char *str, uint8_t interval) {
 
 void send_char(char ascii_code) {
   uint8_t keycode;
+  bool is_shifted;
+  bool is_alted;
+
   keycode = pgm_read_byte(&ascii_to_keycode_lut[(uint8_t)ascii_code]);
-  if (pgm_read_byte(&ascii_to_shift_lut[(uint8_t)ascii_code])) {
-      register_code(KC_LSFT);
-      register_code(keycode);
-      unregister_code(keycode);
-      unregister_code(KC_LSFT);
-  } else {
-      register_code(keycode);
-      unregister_code(keycode);
-  }
+  if (pgm_read_byte(&ascii_to_shift_lut[(uint8_t)ascii_code])) { is_shifted = true; } else { is_shifted = false; }
+ if (pgm_read_byte(&ascii_to_alt_lut[(uint8_t)ascii_code])) { is_alted = true; } else { is_alted = false; }
+
+  if (is_shifted) { register_code(KC_LSFT); }
+  if (is_alted) { register_code(KC_RALT); }
+
+  register_code(keycode);
+  unregister_code(keycode);
+
+  if (is_alted) { unregister_code(KC_RALT); }
+  if (is_shifted) { unregister_code(KC_LSFT); }
 }
 
 void set_single_persistent_default_layer(uint8_t default_layer) {
-- 
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