Add Solid Playback Line preference

OpenUtau.Core/Util/Preferences.cs

@@ -160,6 +160,7 @@ public class SerializablePreferences {
             public bool DiffSingerTensorCache = true;
             public bool DiffSingerLangCodeHide = false;
             public bool SkipRenderingMutedTracks = false;
+            public bool UseSolidPlaybackLine = false;
             public string Language = string.Empty;
             public string? SortingOrder = null;
             public List<string> RecentFiles = new List<string>();

OpenUtau/Controls/PianoRoll.axaml

@@ -178,6 +178,13 @@
                    Canvas.Left="{Binding NotesViewModel.PlayPosHighlightX, Mode=OneWay}"
                    Canvas.Top="0" ZIndex="-10"
                    Fill="{DynamicResource NeutralAccentBrushSemi2}"/>
+        <Rectangle Name="PlayPosHighlightSolid"
+                   Width="{Binding NotesViewModel.PlayPosHighlightWidth, Mode=OneWay}"
+                   Height="{Binding $parent.Bounds.Height, Mode=OneWay}"
+                   Canvas.Left="{Binding NotesViewModel.PlayPosHighlightX, Mode=OneWay}"
+                   Canvas.Top="0" ZIndex="-9" Opacity="0.5"
+                   IsVisible="{Binding NotesViewModel.UseSolidPlaybackLine, Mode=OneWay}"
+                   Fill="{DynamicResource NeutralAccentBrushSemi}"/>
         <Rectangle Name="SelectionBox" StrokeThickness="2"
                    Stroke="{DynamicResource SystemControlForegroundBaseHighBrush}"
                    Fill="{DynamicResource TickLineBrushLow}" ZIndex="1000"

OpenUtau/Strings/Strings.axaml

@@ -576,6 +576,7 @@ Warning: this option removes custom presets.</system:String>
   <system:String x:Key="prefs.playback.lockstarttime.off">Do nothing</system:String>
   <system:String x:Key="prefs.playback.lockstarttime.on">Move cursor and view position back to where you started playing</system:String>
   <system:String x:Key="prefs.playback.lockstarttime.onlycursor">Move only cursor back to where you started playing</system:String>
+  <system:String x:Key="prefs.playback.solidline">Solid playback line</system:String>
   <system:String x:Key="prefs.playback.test">Test</system:String>
   <system:String x:Key="prefs.rendering">Rendering</system:String>
   <system:String x:Key="prefs.rendering.defaultrenderer">Default renderer (for classic voicebanks)</system:String>

OpenUtau/ViewModels/NotesViewModel.cs

@@ -51,6 +51,7 @@ public class NotesViewModel : ViewModelBase, ICmdSubscriber {
         [Reactive] public double PlayPosHighlightX { get; set; }
         [Reactive] public double PlayPosHighlightWidth { get; set; }
         [Reactive] public bool PlayPosWaitingRendering { get; set; }
+        [Reactive] public bool UseSolidPlaybackLine { get; set; }
         [Reactive] public bool CursorTool { get; set; }
         [Reactive] public bool PenTool { get; set; }
         [Reactive] public bool PenPlusTool { get; set; }
@@ -286,6 +287,14 @@ public NotesViewModel() {
                 Preferences.Default.ShowNoteParams = showNoteParams;
                 Preferences.Save();
             });
+            UseSolidPlaybackLine = Preferences.Default.UseSolidPlaybackLine;
+            MessageBus.Current.Listen<PlaybackLineModeChangedEvent>()
+                .Subscribe(e => {
+                    UseSolidPlaybackLine = e.UseSolidLine;
+                    if (Part != null) {
+                        SetPlayPos(DocManager.Inst.playPosTick, false);
+                    }
+                });
 
             TickWidth = ViewConstants.PianoRollTickWidthDefault;
             TrackHeight = ViewConstants.NoteHeightDefault;
@@ -985,16 +994,28 @@ public void ClearPhraseCache() {
             }
         }
 
+        public class PlaybackLineModeChangedEvent {
+            public readonly bool UseSolidLine;
+            public PlaybackLineModeChangedEvent(bool useSolidLine) {
+                UseSolidLine = useSolidLine;
+            }
+        }
+
         private void SetPlayPos(int tick, bool waitingRendering) {
             PlayPosWaitingRendering = waitingRendering;
             if (waitingRendering) {
                 return;
             }
             tick -= Part?.position ?? 0;
             PlayPosX = TickToneToPoint(tick, 0).X;
-            TickToLineTick(tick, out int left, out int right);
-            PlayPosHighlightX = TickToneToPoint(left, 0).X;
-            PlayPosHighlightWidth = (right - left) * TickWidth;
+            if (UseSolidPlaybackLine) {
+                PlayPosHighlightX = PlayPosX - 1;
+                PlayPosHighlightWidth = 2;
+            } else {
+                TickToLineTick(tick, out int left, out int right);
+                PlayPosHighlightX = TickToneToPoint(left, 0).X;
+                PlayPosHighlightWidth = (right - left) * TickWidth;
+            }
         }
 
         private void FocusNote(UNote note) {

OpenUtau/ViewModels/PreferencesViewModel.cs

@@ -58,6 +58,7 @@ public AudioOutputDevice? AudioOutputDevice {
         [Reactive] public int LockStartTime { get; set; }
         [Reactive] public int PlaybackAutoScroll { get; set; }
         [Reactive] public double PlayPosMarkerMargin { get; set; }
+        [Reactive] public bool UseSolidPlaybackLine { get; set; }
 
         // Paths
         public string SingerPath => PathManager.Inst.SingersPath;
@@ -140,6 +141,7 @@ public PreferencesViewModel() {
             PreferPortAudio = Preferences.Default.PreferPortAudio ? 1 : 0;
             PlaybackAutoScroll = Preferences.Default.PlaybackAutoScroll;
             PlayPosMarkerMargin = Preferences.Default.PlayPosMarkerMargin;
+            UseSolidPlaybackLine = Preferences.Default.UseSolidPlaybackLine;
             LockStartTime = Preferences.Default.LockStartTime;
             InstallToAdditionalSingersPath = Preferences.Default.InstallToAdditionalSingersPath;
             LoadDeepFolders = Preferences.Default.LoadDeepFolderSinger;
@@ -220,6 +222,12 @@ public PreferencesViewModel() {
                     Preferences.Default.PlayPosMarkerMargin = playPosMarkerMargin;
                     Preferences.Save();
                 });
+            this.WhenAnyValue(vm => vm.UseSolidPlaybackLine)
+                .Subscribe(useSolidPlaybackLine => {
+                    Preferences.Default.UseSolidPlaybackLine = useSolidPlaybackLine;
+                    Preferences.Save();
+                    MessageBus.Current.SendMessage(new NotesViewModel.PlaybackLineModeChangedEvent(useSolidPlaybackLine));
+                });
             this.WhenAnyValue(vm => vm.LockStartTime)
                 .Subscribe(lockStartTime => {
                     Preferences.Default.LockStartTime = lockStartTime;

OpenUtau/Views/PreferencesDialog.axaml

@@ -124,6 +124,10 @@
             <Slider Grid.Column="4" Classes="fader" Value="{Binding PlayPosMarkerMargin}" Minimum="0" Maximum="1"
                     TickPlacement="BottomRight" TickFrequency="0.1" IsSnapToTickEnabled="true"/>
           </Grid>
+          <Grid Margin="0,10,0,0">
+            <TextBlock Text="{DynamicResource prefs.playback.solidline}" HorizontalAlignment="Left"/>
+            <ToggleSwitch IsChecked="{Binding UseSolidPlaybackLine}"/>
+          </Grid>
         </StackPanel>
 
         <!-- Paths -->