Added thread status display to the thread select dropdown.

src/quest_editor/QuestRunner.ts

@@ -73,6 +73,7 @@ export class QuestRunner {
     private readonly _debugging_thread_id: WritableProperty<number | undefined> = property(
         undefined,
     );
+    private readonly _active_thread_id: WritableProperty<number | undefined> = property(undefined);
 
     private readonly debugger: Debugger;
 
@@ -96,6 +97,7 @@ export class QuestRunner {
     readonly pause_location: Property<number | undefined> = this._pause_location;
     readonly thread_ids: ListProperty<number> = this._thread_ids;
     readonly debugging_thread_id: Property<number | undefined> = this._debugging_thread_id;
+    readonly active_thread_id: Property<number | undefined> = this._active_thread_id;
 
     get game_state(): GameState {
         return this._game_state;
@@ -168,6 +170,7 @@ export class QuestRunner {
         this._state.val = QuestRunnerState.Stopped;
         this._pause_location.val = undefined;
         this._debugging_thread_id.val = undefined;
+        this._active_thread_id.val = undefined;
         this._thread_ids.clear();
         this.npcs.splice(0, this.npcs.length);
         this.objects.splice(0, this.objects.length);
@@ -326,8 +329,9 @@ export class QuestRunner {
     };
 
     private update_thread_info(): void {
-        this._thread_ids.splice(0, this._thread_ids.length.val, ...this.vm.get_thread_ids());
         this._debugging_thread_id.val = this.vm.get_debugging_thread_id();
+        this._active_thread_id.val = this.vm.get_current_thread_id();
+        this._thread_ids.splice(0, this._thread_ids.length.val, ...this.vm.get_thread_ids());
     }
 
     private create_vm_io = (): VirtualMachineIO => {

src/quest_editor/controllers/QuestEditorToolBarController.ts

@@ -57,6 +57,7 @@ export class QuestEditorToolBarController extends Controller {
     readonly can_stop: Property<boolean>;
     readonly thread_ids: ListProperty<number>;
     readonly debugging_thread_id: Property<number | undefined>;
+    readonly active_thread_id: Property<number | undefined>;
     readonly can_select_thread: Property<boolean>;
     readonly save_as_dialog_visible: Property<boolean> = this._save_as_dialog_visible;
     readonly filename: Property<string> = this._filename;
@@ -121,6 +122,7 @@ export class QuestEditorToolBarController extends Controller {
 
         this.thread_ids = quest_editor_store.quest_runner.thread_ids;
         this.debugging_thread_id = quest_editor_store.quest_runner.debugging_thread_id;
+        this.active_thread_id = quest_editor_store.quest_runner.active_thread_id;
         this.can_select_thread = quest_editor_store.quest_runner.thread_ids.map(
             ids => ids.length > 0 && quest_editor_store.quest_runner.running.val,
         );

src/quest_editor/gui/QuestEditorToolBarView.ts

@@ -113,7 +113,10 @@ export class QuestEditorToolBarView extends View {
         const thread_select = this.disposable(
             new Select({
                 items: ctrl.thread_ids,
-                to_label: num => "Thread #" + num,
+                to_label: id => {
+                    const status = ctrl.active_thread_id.val === id ? "Active" : "Yielded";
+                    return `Thread #${id} (${status})`;
+                },
             }),
         );
 
@@ -238,7 +241,9 @@ export class QuestEditorToolBarView extends View {
             stop_button.enabled.bind_to(ctrl.can_stop),
 
             thread_select.selected.observe(({ value }) => ctrl.select_thread(value!)),
-            thread_select.selected.bind_to(ctrl.debugging_thread_id),
+            thread_select.selected.bind_to(
+                ctrl.active_thread_id.map(_ => ctrl.debugging_thread_id.val),
+            ),
             thread_select.enabled.bind_to(ctrl.can_select_thread),
 
             dialog.ondismiss.observe(ctrl.dismiss_result_dialog),