From b180b079a561ae801b6d81bdf66aa7345cb6afab Mon Sep 17 00:00:00 2001
From: XiaoMigros <xiaomigros3@gmail.com>
Date: Thu, 27 Nov 2025 18:30:27 +0100
Subject: [PATCH] Implode honours grace note transposition

---
 src/engraving/editing/edit.cpp | 43 +++++++++++++++++++---------------
 1 file changed, 24 insertions(+), 19 deletions(-)

diff --git a/src/engraving/editing/edit.cpp b/src/engraving/editing/edit.cpp
index 5db13a5d308c8..781483a95fb6c 100644
--- a/src/engraving/editing/edit.cpp
+++ b/src/engraving/editing/edit.cpp
@@ -5208,14 +5208,11 @@ void Score::cloneVoice(track_idx_t strack, track_idx_t dtrack, Segment* sf, cons
                     }
                 }
 
-                if (oe->isChord()) {
-                    Chord* och = toChord(ocr);
-                    Chord* nch = toChord(ncr);
-
-                    size_t n = och->notes().size();
+                auto cloneChord = [&](Chord* oldChord, Chord* newChord) {
+                    size_t n = oldChord->notes().size();
                     for (size_t i = 0; i < n; ++i) {
-                        Note* on = och->notes().at(i);
-                        Note* nn = nch->notes().at(i);
+                        Note* on = oldChord->notes().at(i);
+                        Note* nn = newChord->notes().at(i);
                         staff_idx_t idx = track2staff(dtrack);
                         Fraction tick = oseg->tick();
                         Interval v = staff(idx) ? staff(idx)->transpose(tick) : Interval();
@@ -5270,32 +5267,40 @@ void Score::cloneVoice(track_idx_t strack, track_idx_t dtrack, Segment* sf, cons
                         }
                     }
                     // two note tremolo
-                    if (och->tremoloTwoChord()) {
-                        if (och == och->tremoloTwoChord()->chord1()) {
+                    if (oldChord->tremoloTwoChord()) {
+                        if (oldChord == oldChord->tremoloTwoChord()->chord1()) {
                             if (tremolo) {
                                 LOGD("unconnected two note tremolo");
                             }
                             if (link) {
-                                tremolo = item_cast<TremoloTwoChord*>(och->tremoloTwoChord()->linkedClone());
+                                tremolo = item_cast<TremoloTwoChord*>(oldChord->tremoloTwoChord()->linkedClone());
                             } else {
-                                tremolo = item_cast<TremoloTwoChord*>(och->tremoloTwoChord()->clone());
+                                tremolo = item_cast<TremoloTwoChord*>(oldChord->tremoloTwoChord()->clone());
                             }
-                            tremolo->setScore(nch->score());
-                            tremolo->setParent(nch);
-                            tremolo->setTrack(nch->track());
-                            tremolo->setChords(nch, nullptr);
-                            nch->setTremoloTwoChord(tremolo);
-                        } else if (och == och->tremoloTwoChord()->chord2()) {
+                            tremolo->setScore(newChord->score());
+                            tremolo->setParent(newChord);
+                            tremolo->setTrack(newChord->track());
+                            tremolo->setChords(newChord, nullptr);
+                            newChord->setTremoloTwoChord(tremolo);
+                        } else if (oldChord == oldChord->tremoloTwoChord()->chord2()) {
                             if (!tremolo) {
                                 LOGD("first note for two note tremolo missing");
                             } else {
-                                tremolo->setChords(tremolo->chord1(), nch);
-                                nch->setTremoloTwoChord(tremolo);
+                                tremolo->setChords(tremolo->chord1(), newChord);
+                                newChord->setTremoloTwoChord(tremolo);
                             }
                         } else {
                             LOGD("inconsistent two note tremolo");
                         }
                     }
+                };
+                if (oe->isChord()) {
+                    cloneChord(toChord(ocr), toChord(ncr));
+                    for (size_t i = 0; i < toChord(ocr)->graceNotes().size(); ++i) {
+                        Chord* ogc = toChord(ocr)->graceNotes().at(i);
+                        Chord* ngc = toChord(ncr)->graceNotes().at(i);
+                        cloneChord(ogc, ngc);
+                    }
                 }
 
                 // Add element