From 3ea738e450e9326b0d3ee4192da881cffb4c13c1 Mon Sep 17 00:00:00 2001
From: Robert Dale <robdale@gmail.com>
Date: Sun, 24 Jul 2016 10:00:39 -0400
Subject: ensure there's a recording to play before playing; also enables the
 LGUI button to play a tone

---
 quantum/process_keycode/process_music.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'quantum/process_keycode')

diff --git a/quantum/process_keycode/process_music.c b/quantum/process_keycode/process_music.c
index c8f3ddb900..2d52e47a72 100644
--- a/quantum/process_keycode/process_music.c
+++ b/quantum/process_keycode/process_music.c
@@ -6,6 +6,7 @@ int offset = 7;
 
 // music sequencer
 static bool music_sequence_recording = false;
+static bool music_sequence_recorded = false;
 static bool music_sequence_playing = false;
 static float music_sequence[16] = {0};
 static uint8_t music_sequence_count = 0;
@@ -77,6 +78,7 @@ bool process_music(uint16_t keycode, keyrecord_t *record) {
       if (keycode == KC_LCTL && record->event.pressed) { // Start recording
         stop_all_notes();
         music_sequence_recording = true;
+        music_sequence_recorded = false;
         music_sequence_playing = false;
         music_sequence_count = 0;
         return false;
@@ -84,12 +86,15 @@ bool process_music(uint16_t keycode, keyrecord_t *record) {
 
       if (keycode == KC_LALT && record->event.pressed) { // Stop recording/playing
         stop_all_notes();
+        if (music_sequence_recording) { // was recording
+          music_sequence_recorded = true;
+        }
         music_sequence_recording = false;
         music_sequence_playing = false;
         return false;
       }
 
-      if (keycode == KC_LGUI && record->event.pressed) { // Start playing
+      if (keycode == KC_LGUI && record->event.pressed && music_sequence_recorded) { // Start playing
         stop_all_notes();
         music_sequence_recording = false;
         music_sequence_playing = true;
-- 
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