update scene label when scene is renamed

ActiveSceneDock.cpp

@@ -27,6 +27,11 @@ ActiveSceneDock::ActiveSceneDock(QWidget *parent)
 
 ActiveSceneDock::~ActiveSceneDock() {
   if (currentScene) {
+    auto *signalHandler = obs_source_get_signal_handler(currentScene);
+    if (signalHandler) {
+      signal_handler_disconnect(signalHandler, "rename",
+                                &ActiveSceneDock::currentSceneRenamed, this);
+    }
     obs_source_release(currentScene);
   }
 }
@@ -37,6 +42,11 @@ void ActiveSceneDock::updateCurrentScene(obs_source_t *newScene,
     return;
   }
   if (currentScene) {
+    auto *signalHandler = obs_source_get_signal_handler(currentScene);
+    if (signalHandler) {
+      signal_handler_disconnect(signalHandler, "rename",
+                                &ActiveSceneDock::currentSceneRenamed, this);
+    }
     obs_source_release(currentScene);
     currentScene = nullptr;
   }
@@ -47,6 +57,12 @@ void ActiveSceneDock::updateCurrentScene(obs_source_t *newScene,
     obs_source_addref(newScene);
     currentScene = newScene;
 
+    auto *signalHandler = obs_source_get_signal_handler(newScene);
+    if (signalHandler) {
+      signal_handler_connect(signalHandler, "rename",
+                             &ActiveSceneDock::currentSceneRenamed, this);
+    }
+
     currentSceneTimer.start();
     if (timerId < 0) {
       timerId = startTimer(75);
@@ -70,6 +86,14 @@ void ActiveSceneDock::timerEvent(QTimerEvent *event) {
   }
 }
 
+void ActiveSceneDock::currentSceneRenamed(void *data, calldata_t *cd) {
+  auto *dock = static_cast<ActiveSceneDock *>(data);
+  const auto *newName = calldata_string(cd, "new_name");
+  if (newName) {
+    dock->sceneLabel->setText(QString::fromUtf8(newName));
+  }
+}
+
 void ActiveSceneDock::updateTimerText() {
   qint64 elapsed = 0;
   if (currentScene) {

ActiveSceneDock.hpp

@@ -20,5 +20,6 @@ class ActiveSceneDock : public QDockWidget {
 
 protected:
   void timerEvent(QTimerEvent *event) override;
+  static void currentSceneRenamed(void *data, calldata_t *cd);
   void updateTimerText();
 };

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## Unreleased
 
+- Update scene label when scene is renamed
+
 ## 0.1.1
 
 - Change dock title to "Active Scene" from "Scene Timer"