From 23f27bc3402da75c41c9c20297b32988428eed76 Mon Sep 17 00:00:00 2001
From: heavy-matill <mathe23491@gmx.de>
Date: Wed, 22 Jan 2025 15:09:14 +0100
Subject: [PATCH] Add RehearsalMark to MIDI export as Markers

Backport of #26196
---
 audio/exports/exportmidi.cpp | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/audio/exports/exportmidi.cpp b/audio/exports/exportmidi.cpp
index 20c4d07a760d9..008f43179dc5e 100644
--- a/audio/exports/exportmidi.cpp
+++ b/audio/exports/exportmidi.cpp
@@ -21,6 +21,7 @@
 #include "libmscore/lyrics.h"
 #include "libmscore/measure.h"
 #include "libmscore/part.h"
+#include "libmscore/rehearsalmark.h"
 #include "libmscore/repeatlist.h"
 #include "libmscore/score.h"
 #include "libmscore/sig.h"
@@ -371,7 +372,7 @@ bool ExportMidi::write(QIODevice* device, bool midiExpandRepeats, bool exportRPN
                         }
                   }
 
-            // Export lyrics
+            // Export lyrics and RehearsalMarks as Meta events
             for (const RepeatSegment* rs : cs->repeatList()) {
                   int startTick  = rs->tick;
                   int endTick    = startTick + rs->len();
@@ -379,6 +380,7 @@ bool ExportMidi::write(QIODevice* device, bool midiExpandRepeats, bool exportRPN
 
                   SegmentType st = SegmentType::ChordRest;
                   for (Segment* seg = rs->firstMeasure()->first(st); seg && seg->tick().ticks() < endTick; seg = seg->next1(st)) {
+                        // export lyrics
                         for (int i = part->startTrack(); i < part->endTrack(); ++i) {
                               ChordRest* cr = toChordRest(seg->element(i));
                               if (cr) {
@@ -400,6 +402,28 @@ bool ExportMidi::write(QIODevice* device, bool midiExpandRepeats, bool exportRPN
                                           }
                                     }
                               }
+                        // export RehearsalMarks only for first track
+                        if (staffIdx == 0) {
+                              for (Element* e : seg->annotations()) {
+                                    if (e->isRehearsalMark()) {
+                                          RehearsalMark* r = toRehearsalMark(e);
+                                          QByteArray rText = r->plainText().toUtf8();
+                                          size_t len = rText.size() + 1;
+                                          unsigned char *data = new unsigned char[len];
+
+                                          memcpy(data, rText.constData(), len);
+
+                                          MidiEvent ev;
+                                          ev.setType(ME_META);
+                                          ev.setMetaType(META_MARKER);
+                                          ev.setEData(data);
+                                          ev.setLen(static_cast<int>(len));
+
+                                          int tick = r->segment()->tick().ticks() + tickOffset;
+                                          track.insert(tick, ev);
+                                          }
+                                    }
+                              }
                         }
                   }
             ++staffIdx;