From b4c4b318e84d0f83e8aec8b86613216179e5cea3 Mon Sep 17 00:00:00 2001
From: byuu <2107894+byuu@users.noreply.github.com>
Date: Tue, 23 Jul 2019 02:53:54 +0900
Subject: [PATCH] Ease of use improvements to rewind support.

---
 bsnes/target-bsnes/input/hotkeys.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/bsnes/target-bsnes/input/hotkeys.cpp b/bsnes/target-bsnes/input/hotkeys.cpp
index 28fc6d2f..e564b583 100644
--- a/bsnes/target-bsnes/input/hotkeys.cpp
+++ b/bsnes/target-bsnes/input/hotkeys.cpp
@@ -14,8 +14,14 @@ auto InputManager::bindHotkeys() -> void {
   }));
 
   hotkeys.append(InputHotkey("Rewind").onPress([&] {
-    program.rewindMode(Program::Rewind::Mode::Rewinding);
+    if(!emulator->loaded()) return;
+    if(program.rewind.frequency == 0) {
+      program.showMessage("Please enable rewind support in Settings->Emulator first");
+    } else {
+      program.rewindMode(Program::Rewind::Mode::Rewinding);
+    }
   }).onRelease([&] {
+    if(!emulator->loaded()) return;
     program.rewindMode(Program::Rewind::Mode::Playing);
   }));