[qt] fix user dialogue not 'OK'ing' with empty UUIDs

Signed-off-by: lizzie <lizzie@eden-emu.dev>

src/yuzu/configuration/configure_profile_manager.cpp

@@ -78,6 +78,11 @@ QPixmap GetIcon(const Common::UUID& uuid) {
 QString GetProfileUsernameFromUser(QWidget* parent, const QString& title, const QString& text) {
     return LimitableInputDialog::GetText(parent, title, text, 1, int(Service::Account::profile_username_size));
 }
+
+QString GetProfileUuidFromUser(QWidget* parent, const QString& title, const QString& text) {
+    return LimitableInputDialog::GetText(parent, title, text, 0, int(Common::UUID));
+}
+
 } // Anonymous namespace
 
 ConfigureProfileManager::ConfigureProfileManager(Core::System& system_, QWidget* parent)
@@ -210,7 +215,7 @@ void ConfigureProfileManager::AddUser() {
     if (username.isEmpty())
         return;
 
-    auto const uuid_str = GetProfileUsernameFromUser(this, tr("New User UUID"), tr("Enter a UUID (leave empty to autogenerate):"));
+    auto const uuid_str = GetProfileUuidFromUser(this, tr("New User UUID"), tr("Enter a UUID (optional):"));
     auto uuid = Common::UUID::MakeRandom();
     if (uuid_str.length() > 0) {
         if (size_t(uuid_str.length()) != uuid.uuid.size())
@@ -226,8 +231,6 @@ void ConfigureProfileManager::AddUser() {
 
 void ConfigureProfileManager::RenameUser() {
     const auto user = tree_view->currentIndex().row();
-    const auto uuid = profile_manager.GetUser(user);
-    ASSERT(uuid);
 
     Service::Account::ProfileBase profile{};
     if (!profile_manager.GetProfileBase(*uuid, profile))
@@ -238,6 +241,15 @@ void ConfigureProfileManager::RenameUser() {
         return;
     }
 
+    auto const uuid_str = GetProfileUuidFromUser(this, tr("New User UUID"), tr("Enter a UUID (optional):"));
+    auto uuid = profile_manager.GetUser(user);
+    if (uuid_str.length() > 0) {
+        if (size_t(uuid_str.length()) != uuid.uuid.size())
+            return;
+        for (size_t i = 0; i < size_t(uuid_str.length()); ++i)
+            uuid.uuid[i] = u8(uuid_str[i].toLatin1());
+    }
+
     const auto username_std = new_username.toStdString();
     std::fill(profile.username.begin(), profile.username.end(), '\0');
     std::copy(username_std.begin(), username_std.end(), profile.username.begin());
@@ -245,10 +257,7 @@ void ConfigureProfileManager::RenameUser() {
     profile_manager.SetProfileBase(*uuid, profile);
     profile_manager.WriteUserSaveFile();
 
-    item_model->setItem(
-        user, 0,
-        new QStandardItem{GetIcon(*uuid),
-                          FormatUserEntryText(QString::fromStdString(username_std), *uuid)});
+    item_model->setItem(user, 0, new QStandardItem{GetIcon(*uuid), FormatUserEntryText(QString::fromStdString(username_std), *uuid)});
     UpdateCurrentUser();
 }