From c3d0c12df13ab434b7e8c8666e5c9ca8fc6bd6bc Mon Sep 17 00:00:00 2001
From: Peter Hieu Vu <peter.vu8@gmail.com>
Date: Sun, 24 Feb 2019 17:23:47 -0800
Subject: [PATCH] fix #281957 beam property highlighting for selected notes

---
 mscore/events.cpp    |  1 +
 mscore/musescore.cpp | 61 ++++++++++++++++++++++++++++++++++++++++++++
 mscore/musescore.h   |  1 +
 mscore/palette.cpp   |  2 ++
 4 files changed, 65 insertions(+)

diff --git a/mscore/events.cpp b/mscore/events.cpp
index e818c70643a7..02d34226378b 100644
--- a/mscore/events.cpp
+++ b/mscore/events.cpp
@@ -344,6 +344,7 @@ void ScoreView::mousePressEventNormal(QMouseEvent* ev)
             }
       _score->update();
       mscore->endCmd();
+      mscore->updatePaletteBeamMode(clickOffElement);
       }
 
 //---------------------------------------------------------
diff --git a/mscore/musescore.cpp b/mscore/musescore.cpp
index 55e39c5697c3..d5ba1191560d 100644
--- a/mscore/musescore.cpp
+++ b/mscore/musescore.cpp
@@ -101,6 +101,7 @@
 #include "libmscore/excerpt.h"
 #include "libmscore/synthesizerstate.h"
 #include "libmscore/utils.h"
+#include "libmscore/icon.h"
 
 #include "driver.h"
 
@@ -2153,6 +2154,66 @@ void MuseScore::selectionChanged(SelState selectionState)
             updateInspector();
       }
 
+//---------------------------------------------------------
+//   updatePaletteBeamMode
+//
+//   Updates the selected index of the Beam Properties
+//   palette to reflect the beam mode of the selected
+//   chord rest
+//---------------------------------------------------------
+
+void MuseScore::updatePaletteBeamMode(bool unselect)
+      {
+      for (Palette* p : paletteBox->palettes()) {
+            if (p->name() == "Beam Properties") {
+                  if (unselect) {
+                        p->setSelected(-1);
+                        return;
+                        }
+                  const Selection sel = cs->selection();
+                  const ChordRest* cr = sel.cr();
+                  if (sel.isSingle() && cr) {
+                        Beam::Mode bm = cr->beamMode();
+                        IconType type;
+                        switch (bm) {
+                        case Beam::Mode::BEGIN:
+                              type = IconType::SBEAM;
+                              break;
+                        case Beam::Mode::MID:
+                              type = IconType::MBEAM;
+                              break;
+                        case Beam::Mode::NONE:
+                              type = IconType::NBEAM;
+                              break;
+                        case Beam::Mode::BEGIN32:
+                              type = IconType::BEAM32;
+                              break;
+                        case Beam::Mode::BEGIN64:
+                              type = IconType::BEAM64;
+                              break;
+                        case Beam::Mode::AUTO:
+                              type = IconType::AUTOBEAM;
+                              break;
+                        default:
+                              p->setSelected(-1);
+                              return;
+                        }
+                        for (int i = 0; i < p->size(); ++i) {
+                              if (toIcon(p->element(i))->iconType() == type) {
+                                    p->setSelected(i);
+                                    p->update();
+                                    return;
+                                    }
+                              }
+                  }
+                  else {
+                        p->setSelected(-1);
+                        }
+                  p->update();
+                  }
+            }
+      }
+
 //---------------------------------------------------------
 //   updateInspector
 //---------------------------------------------------------
diff --git a/mscore/musescore.h b/mscore/musescore.h
index 0799b19d32e9..7744f504074f 100644
--- a/mscore/musescore.h
+++ b/mscore/musescore.h
@@ -619,6 +619,7 @@ class MuseScore : public QMainWindow, public MuseScoreCore {
       void showPluginManager();
 
 //      void updateTabNames();
+      void updatePaletteBeamMode(bool unselect = false);
       QProgressBar* showProgressBar();
       void hideProgressBar();
       void addRecentScore(Score*);
diff --git a/mscore/palette.cpp b/mscore/palette.cpp
index b45273bc5467..bdcbdd09ad8a 100644
--- a/mscore/palette.cpp
+++ b/mscore/palette.cpp
@@ -534,6 +534,7 @@ void Palette::applyPaletteElement(PaletteCell* cell, Qt::KeyboardModifiers modif
             else {
                   for (Element* e : sel.elements())
                         applyDrop(score, viewer, e, element, modifiers);
+                  selectedIdx = currentIdx;
                   }
             }
       else if (sel.isRange()) {
@@ -560,6 +561,7 @@ void Palette::applyPaletteElement(PaletteCell* cell, Qt::KeyboardModifiers modif
                         applyDrop(score, viewer, m, element, modifiers, pt);
                         if (m == last)
                               break;
+                        selectedIdx = currentIdx;
                         }
                   }
             else if (element->type() == ElementType::LAYOUT_BREAK) {