From 313e81ec38258ef3f572388f91f896661ef3f24c Mon Sep 17 00:00:00 2001
From: emoose <abc@cock.li>
Date: Sun, 4 Aug 2019 03:57:06 +0100
Subject: [PATCH] [Kernel] Add XN_SYS_UI notifications to XamShow*UI exports

---
 src/xenia/kernel/xam/xam_ui.cc | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/xenia/kernel/xam/xam_ui.cc b/src/xenia/kernel/xam/xam_ui.cc
index a3871577b..e2e01d015 100644
--- a/src/xenia/kernel/xam/xam_ui.cc
+++ b/src/xenia/kernel/xam/xam_ui.cc
@@ -111,6 +111,9 @@ dword_result_t XamShowMessageBoxUI(dword_t user_index, lpwstring_t title_ptr,
     buttons.push_back(button);
   }
 
+  // Broadcast XN_SYS_UI = true
+  kernel_state()->BroadcastNotification(0x9, true);
+
   uint32_t chosen_button;
   if (cvars::headless) {
     // Auto-pick the focused button.
@@ -144,6 +147,9 @@ dword_result_t XamShowMessageBoxUI(dword_t user_index, lpwstring_t title_ptr,
   }
   *result_ptr = chosen_button;
 
+  // Broadcast XN_SYS_UI = false
+  kernel_state()->BroadcastNotification(0x9, false);
+
   if (overlapped) {
     kernel_state()->CompleteOverlappedImmediate(overlapped, X_ERROR_SUCCESS);
     return X_ERROR_IO_PENDING;
@@ -232,6 +238,9 @@ dword_result_t XamShowKeyboardUI(dword_t user_index, dword_t flags,
     return X_ERROR_INVALID_PARAMETER;
   }
 
+  // Broadcast XN_SYS_UI = true
+  kernel_state()->BroadcastNotification(0x9, true);
+
   if (cvars::headless) {
     // Redirect default_text back into the buffer.
     std::memset(buffer, 0, buffer_length * 2);
@@ -239,6 +248,9 @@ dword_result_t XamShowKeyboardUI(dword_t user_index, dword_t flags,
       xe::store_and_swap<std::wstring>(buffer, default_text.value());
     }
 
+    // Broadcast XN_SYS_UI = false
+    kernel_state()->BroadcastNotification(0x9, false);
+
     if (overlapped) {
       kernel_state()->CompleteOverlappedImmediate(overlapped, X_ERROR_SUCCESS);
       return X_ERROR_IO_PENDING;
@@ -269,6 +281,9 @@ dword_result_t XamShowKeyboardUI(dword_t user_index, dword_t flags,
   out_text = out_text.substr(0, buffer_length - 1);
   xe::store_and_swap<std::wstring>(buffer, out_text);
 
+  // Broadcast XN_SYS_UI = false
+  kernel_state()->BroadcastNotification(0x9, false);
+
   if (overlapped) {
     kernel_state()->CompleteOverlappedImmediate(overlapped, X_ERROR_SUCCESS);
     return X_ERROR_IO_PENDING;
@@ -300,6 +315,10 @@ dword_result_t XamShowDeviceSelectorUI(dword_t user_index, dword_t content_type,
       break;
   }
 
+  // Broadcast XN_SYS_UI = true followed by XN_SYS_UI = false
+  kernel_state()->BroadcastNotification(0x9, true);
+  kernel_state()->BroadcastNotification(0x9, false);
+
   if (overlapped) {
     kernel_state()->CompleteOverlappedImmediate(overlapped, X_ERROR_SUCCESS);
     return X_ERROR_IO_PENDING;