ATLauncher: Abort install if optional mods dialog is closed

This matches the behaviour of ATLauncher.

2 files changed, 6 insertions, 3 deletions

diff --git a/launcher/ui/pages/modplatform/atlauncher/AtlUserInteractionSupportImpl.cpp b/launcher/ui/pages/modplatform/atlauncher/AtlUserInteractionSupportImpl.cpp
index 03196685..c68e40ba 100644
--- a/launcher/ui/pages/modplatform/atlauncher/AtlUserInteractionSupportImpl.cpp
+++ b/launcher/ui/pages/modplatform/atlauncher/AtlUserInteractionSupportImpl.cpp
@@ -43,10 +43,13 @@ AtlUserInteractionSupportImpl::AtlUserInteractionSupportImpl(QWidget *parent) :
 {
 }
 
-QVector<QString> AtlUserInteractionSupportImpl::chooseOptionalMods(ATLauncher::PackVersion version, QVector<ATLauncher::VersionMod> mods)
+std::optional<QVector<QString>> AtlUserInteractionSupportImpl::chooseOptionalMods(ATLauncher::PackVersion version, QVector<ATLauncher::VersionMod> mods)
 {
     AtlOptionalModDialog optionalModDialog(m_parent, version, mods);
-    optionalModDialog.exec();
+    auto result = optionalModDialog.exec();
+    if (result == QDialog::Rejected) {
+        return {};
+    }
     return optionalModDialog.getResult();
 }
 
diff --git a/launcher/ui/pages/modplatform/atlauncher/AtlUserInteractionSupportImpl.h b/launcher/ui/pages/modplatform/atlauncher/AtlUserInteractionSupportImpl.h
index aa22fc73..3b37c9be 100644
--- a/launcher/ui/pages/modplatform/atlauncher/AtlUserInteractionSupportImpl.h
+++ b/launcher/ui/pages/modplatform/atlauncher/AtlUserInteractionSupportImpl.h
@@ -47,7 +47,7 @@ public:
 
 private:
     QString chooseVersion(Meta::VersionListPtr vlist, QString minecraftVersion) override;
-    QVector<QString> chooseOptionalMods(ATLauncher::PackVersion version, QVector<ATLauncher::VersionMod> mods) override;
+    std::optional<QVector<QString>> chooseOptionalMods(ATLauncher::PackVersion version, QVector<ATLauncher::VersionMod> mods) override;
     void displayMessage(QString message) override;
 
 private: