Add rewind indicator to status bar (resolves #2308)

src/BizHawk.Client.EmuHawk/MainForm.cs

@@ -57,6 +57,12 @@ namespace BizHawk.Client.EmuHawk
 
 		private readonly ToolStripMenuItemEx NullHawkVSysSubmenu = new() { Enabled = false, Text = "—" };
 
+		private readonly StatusLabelEx StatusBarRewindIndicator = new()
+		{
+			Image = Properties.Resources.RewindRecord,
+			ToolTipText = "Rewinder is capturing states",
+		};
+
 		private void MainForm_Load(object sender, EventArgs e)
 		{
 			UpdateWindowTitle();
@@ -177,6 +183,11 @@ namespace BizHawk.Client.EmuHawk
 			// Hide Status bar icons and general StatusBar prep
 			MainStatusBar.Padding = new Padding(MainStatusBar.Padding.Left, MainStatusBar.Padding.Top, MainStatusBar.Padding.Left, MainStatusBar.Padding.Bottom); // Workaround to remove extra padding on right
 			PlayRecordStatusButton.Visible = false;
+
+			StatusBarRewindIndicator.Click += RewindOptionsMenuItem_Click;
+			MainStatusBar.Items.InsertAfter(PlayRecordStatusButton, insert: StatusBarRewindIndicator);
+			UpdateStatusBarRewindIndicator();
+
 			AVStatusLabel.Visible = false;
 			SetPauseStatusBarIcon();
 			Tools.UpdateCheatRelatedTools(null, null);
@@ -1189,6 +1200,7 @@ namespace BizHawk.Client.EmuHawk
 					? new ZeldaWinder(Emulator.AsStatable(), Config.Rewind)
 					: new Zwinder(Emulator.AsStatable(), Config.Rewind)
 				: null;
+			UpdateStatusBarRewindIndicator();
 			AddOnScreenMessage(Rewinder?.Active == true ? "Rewind started" : "Rewind disabled");
 		}
 
@@ -2810,6 +2822,9 @@ namespace BizHawk.Client.EmuHawk
 			}
 		}
 
+		private void UpdateStatusBarRewindIndicator()
+			=> StatusBarRewindIndicator.Visible = Rewinder?.Active is true;
+
 		private void UpdateKeyPriorityIcon()
 		{
 			switch (Config.InputHotkeyOverrideOptions)

src/BizHawk.Client.EmuHawk/Properties/Resources.cs

@@ -165,6 +165,7 @@ namespace BizHawk.Client.EmuHawk.Properties
 		internal static readonly Bitmap Refresh = ReadEmbeddedBitmap("Refresh");
 		internal static readonly Bitmap Restart = ReadEmbeddedBitmap("restart");
 		internal static readonly Bitmap RetroQuestion = ReadEmbeddedBitmap("RetroQuestion");
+		internal static readonly Bitmap RewindRecord = ReadEmbeddedBitmap("RewindRecord");
 		internal static readonly Bitmap Save = ReadEmbeddedBitmap("Save");
 		internal static readonly Bitmap SaveAs = ReadEmbeddedBitmap("SaveAs");
 		internal static readonly Bitmap SaveConfig = ReadEmbeddedBitmap("SaveConfig");