FullscreenUI: Move UpdateRunIdleState() for system soft-fail to host

That way it's always in the correct state for e.g. memory card shutdown
confirmations.

src/core/fullscreen_ui.cpp

@@ -210,7 +210,6 @@ struct PostProcessingStageInfo
 //////////////////////////////////////////////////////////////////////////
 // Main
 //////////////////////////////////////////////////////////////////////////
-static void UpdateRunIdleState();
 static void PauseForMenuOpen(bool set_pause_menu_open);
 static bool AreAnyDialogsOpen();
 static void ClosePauseMenu();
@@ -1122,25 +1121,18 @@ void FullscreenUI::DoStartPath(std::string path, std::string state, std::optiona
       return;
 
     // This can "fail" if HC mode is enabled and the user cancels, or other startup cancel paths.
-    // In that case, we need to re-trigger the idle state so the user can interact with the message.
-    // But we can skip it if we have a system, because OnSystemStarted() fixed it up.
     Error error;
-    const bool result = System::BootSystem(std::move(params), &error);
-    if (result && System::IsValid())
-      return;
-
-    GPUThread::RunOnThread([error_desc = error.TakeDescription(), result]() {
-      if (!IsInitialized())
-        return;
+    if (!System::BootSystem(std::move(params), &error))
+    {
+      GPUThread::RunOnThread([error_desc = error.TakeDescription()]() {
+        if (!IsInitialized())
+          return;
 
-      if (!result)
-      {
         OpenInfoMessageDialog(TRANSLATE_STR("System", "Error"),
                               fmt::format(TRANSLATE_FS("System", "Failed to boot system: {}"), error_desc));
-      }
-
-      UpdateRunIdleState();
-    });
+        UpdateRunIdleState();
+      });
+    }
   });
 }
 
@@ -1246,21 +1238,25 @@ void FullscreenUI::ConfirmIfSavingMemoryCards(std::string action, std::function<
 
 void FullscreenUI::RequestShutdown(bool save_state)
 {
+  s_state.current_main_window = MainWindowType::None;
+
   ConfirmIfSavingMemoryCards(FSUI_STR("shut down"), [save_state](bool result) {
     if (result)
       Host::RunOnCPUThread([save_state]() { Host::RequestSystemShutdown(false, save_state); });
-    else
-      ClosePauseMenu();
+
+    ClosePauseMenu();
   });
 }
 
 void FullscreenUI::RequestReset()
 {
+  s_state.current_main_window = MainWindowType::None;
+
   ConfirmIfSavingMemoryCards(FSUI_STR("reset"), [](bool result) {
     if (result)
       Host::RunOnCPUThread(System::ResetSystem);
-    else
-      ClosePauseMenu();
+
+    ClosePauseMenu();
   });
 }
 
@@ -1297,7 +1293,7 @@ void FullscreenUI::StartChangeDiscFromFile()
         }
       }
 
-      ReturnToPreviousWindow();
+      ReturnToMainWindow();
     });
   };
 
@@ -6683,10 +6679,7 @@ void FullscreenUI::DrawPauseMenu()
           OpenPauseSubMenu(PauseSubMenu::None);
 
         if (ActiveButton(FSUI_ICONSTR(ICON_FA_SYNC, "Reset System"), false))
-        {
-          ClosePauseMenu();
           RequestReset();
-        }
 
         if (ActiveButton(FSUI_ICONSTR(ICON_FA_SAVE, "Exit And Save State"), false))
           RequestShutdown(true);

src/core/fullscreen_ui.h

@@ -34,6 +34,7 @@ void OpenLeaderboardsWindow();
 void ReturnToMainWindow();
 void ReturnToPreviousWindow();
 void SetStandardSelectionFooterText(bool back_instead_of_cancel);
+void UpdateRunIdleState();
 #endif
 
 void Shutdown(bool clear_state);

src/duckstation-qt/mainwindow.cpp

@@ -732,7 +732,7 @@ void MainWindow::quit()
   // Make sure VM is gone. It really should be if we're here.
   if (s_system_valid)
   {
-    g_emu_thread->shutdownSystem(false, true);
+    g_emu_thread->shutdownSystem(false, false);
     QtUtils::ProcessEventsWithSleep(QEventLoop::ExcludeUserInputEvents, []() { return s_system_valid; });
   }
 

src/duckstation-qt/qthost.cpp

@@ -1990,30 +1990,51 @@ void Host::ConfirmMessageAsync(std::string_view title, std::string_view message,
   if (no_text.empty())
     no_text = TRANSLATE_SV("QtHost", "No");
 
+  // Ensure it always comes from the CPU thread.
+  if (!g_emu_thread->isCurrentThread())
+  {
+    Host::RunOnCPUThread([title = std::string(title), message = std::string(message), callback = std::move(callback),
+                          yes_text = std::string(yes_text), no_text = std::string(no_text)]() mutable {
+      ConfirmMessageAsync(title, message, std::move(callback));
+    });
+    return;
+  }
+
+  // Pause system while dialog is up.
+  const bool needs_pause = System::IsValid() && !System::IsPaused();
+  if (needs_pause)
+    System::PauseSystem(true);
+
   // Use FSUI to display the confirmation if it is active.
   if (FullscreenUI::IsInitialized())
   {
-    // This.. should not be a thing.
-    if (!g_emu_thread->isCurrentThread())
-    {
-      Host::RunOnCPUThread([title = std::string(title), message = std::string(message), callback = std::move(callback),
-                            yes_text = std::string(yes_text), no_text = std::string(no_text)]() mutable {
-        ConfirmMessageAsync(title, message, std::move(callback));
-      });
-      return;
-    }
-
     GPUThread::RunOnThread([title = std::string(title), message = std::string(message), callback = std::move(callback),
-                            yes_text = std::string(yes_text), no_text = std::string(no_text)]() mutable {
+                            yes_text = std::string(yes_text), no_text = std::string(no_text), needs_pause]() mutable {
       if (!FullscreenUI::Initialize())
       {
         callback(false);
+
+        if (needs_pause)
+        {
+          Host::RunOnCPUThread([]() {
+            if (System::IsValid())
+              System::PauseSystem(false);
+          });
+        }
+
         return;
       }
 
-      ImGuiFullscreen::OpenConfirmMessageDialog(std::move(title), std::move(message), std::move(callback),
+      // Need to reset run idle state _again_ after displaying.
+      auto final_callback = [callback = std::move(callback)](bool result) {
+        FullscreenUI::UpdateRunIdleState();
+        callback(result);
+      };
+
+      ImGuiFullscreen::OpenConfirmMessageDialog(std::move(title), std::move(message), std::move(final_callback),
                                                 fmt::format(ICON_FA_CHECK " {}", yes_text),
                                                 fmt::format(ICON_FA_TIMES " {}", no_text));
+      FullscreenUI::UpdateRunIdleState();
     });
   }
   else
@@ -2021,7 +2042,7 @@ void Host::ConfirmMessageAsync(std::string_view title, std::string_view message,
     // Otherwise, use the desktop UI.
     QtHost::RunOnUIThread([title = QtUtils::StringViewToQString(title), message = QtUtils::StringViewToQString(message),
                            callback = std::move(callback), yes_text = QtUtils::StringViewToQString(yes_text),
-                           no_text = QtUtils::StringViewToQString(no_text)]() mutable {
+                           no_text = QtUtils::StringViewToQString(no_text), needs_pause]() mutable {
       auto lock = g_main_window->pauseAndLockSystem();
 
       bool result;
@@ -2038,6 +2059,14 @@ void Host::ConfirmMessageAsync(std::string_view title, std::string_view message,
       }
 
       callback(result);
+
+      if (needs_pause)
+      {
+        Host::RunOnCPUThread([]() {
+          if (System::IsValid())
+            System::PauseSystem(false);
+        });
+      }
     });
   }
 }