qt: don't ask for decryption keys at startup

A missing prod.keys raised a Yes/No question in the main window's
constructor, and every launch (also -g launches from scripts) waited on
it. Loose ExeFS/RomFS dumps, all Switch 2 games so far, need no keys.
Startup now only logs a warning; installing firmware or keys still asks.

2 files changed, 10 insertions, 4 deletions

diff --git a/src/yuzu/main_window.cpp b/src/yuzu/main_window.cpp
index 13359620dd..d59ac16c07 100644
--- a/src/yuzu/main_window.cpp
+++ b/src/yuzu/main_window.cpp
@@ -446,7 +446,7 @@ MainWindow::MainWindow(bool has_broken_vulkan)
     QtCommon::SetupContentProviders();
 
     // Gen keys if necessary
-    OnCheckFirmwareDecryption();
+    OnCheckFirmwareDecryption(false);
 
 #ifdef __unix__
     OnCheckGraphicsBackend();
@@ -4374,8 +4374,13 @@ void MainWindow::OnMouseActivity() {
     }
 }
 
-void MainWindow::OnCheckFirmwareDecryption() {
-    if (!ContentManager::AreKeysPresent()) {
+void MainWindow::OnCheckFirmwareDecryption(bool prompt) {
+    if (!ContentManager::AreKeysPresent() && !prompt) {
+        // At startup only log it: loose ExeFS/RomFS dumps (all Switch 2 games so far) need no
+        // keys, and a modal question blocked every unattended launch. Tools > Install Decryption
+        // Keys still installs them.
+        LOG_WARNING(Frontend, "Decryption keys are missing: NCA, NSP and XCI games need them");
+    } else if (!ContentManager::AreKeysPresent()) {
         const auto res = QtCommon::Frontend::Warning(
             tr("Derivation Components Missing"),
             tr("Decryption keys are missing. Install them now?"),
diff --git a/src/yuzu/main_window.h b/src/yuzu/main_window.h
index 8aedeec721..627ade4f6b 100644
--- a/src/yuzu/main_window.h
+++ b/src/yuzu/main_window.h
@@ -421,7 +421,8 @@ private slots:
     void OnCreateHomeMenuDesktopShortcut();
     void OnCreateHomeMenuApplicationMenuShortcut();
     void OnCaptureScreenshot();
-    void OnCheckFirmwareDecryption();
+    /// Checks for decryption keys; `prompt` asks to install them when they are missing.
+    void OnCheckFirmwareDecryption(bool prompt = true);
 #ifdef __unix__
     void OnCheckGraphicsBackend();
 #endif