ATLauncher: Abort install if optional mods dialog is closed

This matches the behaviour of ATLauncher.

2 files changed, 7 insertions, 2 deletions

diff --git a/launcher/modplatform/atlauncher/ATLPackInstallTask.cpp b/launcher/modplatform/atlauncher/ATLPackInstallTask.cpp
index a553eafd..68d75943 100644
--- a/launcher/modplatform/atlauncher/ATLPackInstallTask.cpp
+++ b/launcher/modplatform/atlauncher/ATLPackInstallTask.cpp
@@ -736,7 +736,12 @@ void PackInstallTask::downloadMods()
     QVector<QString> selectedMods;
     if (!optionalMods.isEmpty()) {
         setStatus(tr("Selecting optional mods..."));
-        selectedMods = m_support->chooseOptionalMods(m_version, optionalMods);
+        auto mods = m_support->chooseOptionalMods(m_version, optionalMods);
+        if (!mods.has_value()) {
+            emitAborted();
+            return;
+        }
+        selectedMods = mods.value();
     }
 
     setStatus(tr("Downloading mods..."));
diff --git a/launcher/modplatform/atlauncher/ATLPackInstallTask.h b/launcher/modplatform/atlauncher/ATLPackInstallTask.h
index ed4436f0..78cd87fb 100644
--- a/launcher/modplatform/atlauncher/ATLPackInstallTask.h
+++ b/launcher/modplatform/atlauncher/ATLPackInstallTask.h
@@ -62,7 +62,7 @@ public:
     /**
      * Requests a user interaction to select which optional mods should be installed.
      */
-    virtual QVector<QString> chooseOptionalMods(PackVersion version, QVector<ATLauncher::VersionMod> mods) = 0;
+    virtual std::optional<QVector<QString>> chooseOptionalMods(PackVersion version, QVector<ATLauncher::VersionMod> mods) = 0;
 
     /**
      * Requests a user interaction to select a component version from a given version list