Merge tag 'Second_Life_Release#01823996-2025.08' into 2025.08

10 files changed, 69 insertions, 5 deletions

diff --git a/indra/llwindow/llwindow.h b/indra/llwindow/llwindow.h
index 8f8ea7fdb6..d63927d23d 100644
--- a/indra/llwindow/llwindow.h
+++ b/indra/llwindow/llwindow.h
@@ -95,6 +95,7 @@ public:
 #if LL_WINDOWS && !LL_SDL
     virtual bool getCursorDelta(LLCoordCommon* delta) = 0;
 #endif
+    virtual bool isWrapMouse() const = 0;
     virtual void showCursor() = 0;
     virtual void hideCursor() = 0;
     virtual bool isCursorHidden() = 0;
diff --git a/indra/llwindow/llwindowcallbacks.cpp b/indra/llwindow/llwindowcallbacks.cpp
index 195f68e08b..7331f50ba0 100644
--- a/indra/llwindow/llwindowcallbacks.cpp
+++ b/indra/llwindow/llwindowcallbacks.cpp
@@ -68,7 +68,13 @@ void LLWindowCallbacks::handleMouseLeave(LLWindow *window)
     return;
 }
 
-bool LLWindowCallbacks::handleCloseRequest(LLWindow *window)
+bool LLWindowCallbacks::handleCloseRequest(LLWindow *window, bool from_user)
+{
+    //allow the window to close
+    return true;
+}
+
+bool LLWindowCallbacks::handleSessionExit(LLWindow* window)
 {
     //allow the window to close
     return true;
diff --git a/indra/llwindow/llwindowcallbacks.h b/indra/llwindow/llwindowcallbacks.h
index d812f93524..59dcdd3ade 100644
--- a/indra/llwindow/llwindowcallbacks.h
+++ b/indra/llwindow/llwindowcallbacks.h
@@ -42,7 +42,8 @@ public:
     virtual bool handleMouseUp(LLWindow *window,  LLCoordGL pos, MASK mask);
     virtual void handleMouseLeave(LLWindow *window);
     // return true to allow window to close, which will then cause handleQuit to be called
-    virtual bool handleCloseRequest(LLWindow *window);
+    virtual bool handleCloseRequest(LLWindow *window, bool from_user);
+    virtual bool handleSessionExit(LLWindow* window);
     // window is about to be destroyed, clean up your business
     virtual void handleQuit(LLWindow *window);
     virtual bool handleRightMouseDown(LLWindow *window,  LLCoordGL pos, MASK mask);
diff --git a/indra/llwindow/llwindowheadless.h b/indra/llwindow/llwindowheadless.h
index acec401133..0a1ecb05e0 100644
--- a/indra/llwindow/llwindowheadless.h
+++ b/indra/llwindow/llwindowheadless.h
@@ -63,6 +63,7 @@ public:
 #if LL_WINDOWS && !LL_SDL
     /*virtual*/ bool getCursorDelta(LLCoordCommon* delta) override { return false; }
 #endif
+    /*virtual*/ bool isWrapMouse() const override { return true; }
     /*virtual*/ void showCursor() override {}
     /*virtual*/ void hideCursor() override {}
     /*virtual*/ void showCursorFromMouseMove() override {}
diff --git a/indra/llwindow/llwindowmacosx.cpp b/indra/llwindow/llwindowmacosx.cpp
index 4a4b2658f6..0bf1c4b057 100644
--- a/indra/llwindow/llwindowmacosx.cpp
+++ b/indra/llwindow/llwindowmacosx.cpp
@@ -613,7 +613,7 @@ void callQuitHandler()
 {
     if (gWindowImplementation && gWindowImplementation->getCallbacks())
     {
-        if(gWindowImplementation->getCallbacks()->handleCloseRequest(gWindowImplementation))
+        if(gWindowImplementation->getCallbacks()->handleCloseRequest(gWindowImplementation, true))
         {
             gWindowImplementation->getCallbacks()->handleQuit(gWindowImplementation);
         }
diff --git a/indra/llwindow/llwindowmacosx.h b/indra/llwindow/llwindowmacosx.h
index 110c5756d0..d703a84d02 100644
--- a/indra/llwindow/llwindowmacosx.h
+++ b/indra/llwindow/llwindowmacosx.h
@@ -63,6 +63,7 @@ public:
     bool switchContext(bool fullscreen, const LLCoordScreen &size, bool enable_vsync, const LLCoordScreen * const posp = NULL) override;
     bool setCursorPosition(LLCoordWindow position) override;
     bool getCursorPosition(LLCoordWindow *position) override;
+    bool isWrapMouse() const override { return !mCursorDecoupled; };
     void showCursor() override;
     void hideCursor() override;
     void showCursorFromMouseMove() override;
diff --git a/indra/llwindow/llwindowsdl.cpp b/indra/llwindow/llwindowsdl.cpp
index 0a117be1fc..ad40dea0c3 100644
--- a/indra/llwindow/llwindowsdl.cpp
+++ b/indra/llwindow/llwindowsdl.cpp
@@ -1722,7 +1722,7 @@ void LLWindowSDL::gatherInput()
                 break;
             }
             case SDL_QUIT:
-                if(mCallbacks->handleCloseRequest(this))
+                if(mCallbacks->handleCloseRequest(this, true))
                 {
                     // Get the app to initiate cleanup.
                     mCallbacks->handleQuit(this);
diff --git a/indra/llwindow/llwindowsdl.h b/indra/llwindow/llwindowsdl.h
index 076d7234bc..d9b6be5fdc 100644
--- a/indra/llwindow/llwindowsdl.h
+++ b/indra/llwindow/llwindowsdl.h
@@ -91,6 +91,8 @@ public:
 
     bool getCursorPosition(LLCoordWindow *position) override;
 
+    bool isWrapMouse() const override { return true; }
+
     void showCursor() override;
 
     void hideCursor() override;
diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp
index cfc2038be9..5471e1c87a 100644
--- a/indra/llwindow/llwindowwin32.cpp
+++ b/indra/llwindow/llwindowwin32.cpp
@@ -450,6 +450,7 @@ LLWindowWin32::LLWindowWin32(LLWindowCallbacks* callbacks,
                              F32 max_gl_version)
     :
     LLWindow(callbacks, fullscreen, flags),
+    mAbsoluteCursorPosition(false),
     mMaxGLVersion(max_gl_version),
     mMaxCores(max_cores)
 {
@@ -2466,10 +2467,13 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
         case WM_CLOSE:
         {
             LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_CLOSE");
+            // todo: WM_CLOSE can be caused by user and by task manager,
+            // distinguish these cases.
+            // For now assume it is always user.
             window_imp->post([=]()
                 {
                     // Will the app allow the window to close?
-                    if (window_imp->mCallbacks->handleCloseRequest(window_imp))
+                    if (window_imp->mCallbacks->handleCloseRequest(window_imp, true))
                     {
                         // Get the app to initiate cleanup.
                         window_imp->mCallbacks->handleQuit(window_imp);
@@ -2487,6 +2491,50 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
             }
             return 0;
         }
+        case WM_QUERYENDSESSION:
+        {
+            // Generally means that OS is going to shut down or user is going to log off.
+            // Can use ShutdownBlockReasonCreate here.
+            LL_INFOS("Window") << "Received WM_QUERYENDSESSION with wParam: " << (U32)w_param << " lParam: " << (U32)l_param << LL_ENDL;
+            return TRUE; // 1 = ok to end session. 0 no longer works by itself, use ShutdownBlockReasonCreate
+        }
+        case WM_ENDSESSION:
+        {
+            // OS session is shutting down, initiate cleanup.
+            // Comes after WM_QUERYENDSESSION
+            LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_ENDSESSION");
+            LL_INFOS("Window") << "Received WM_ENDSESSION with wParam: " << (U32)w_param << " lParam: " << (U32)l_param << LL_ENDL;
+            unsigned int end_session_flags = (U32)w_param;
+            if (end_session_flags == 0)
+            {
+                // session is not actually ending
+                return 0;
+            }
+
+            if ((end_session_flags & ENDSESSION_CLOSEAPP)
+                || (end_session_flags & ENDSESSION_CRITICAL)
+                || (end_session_flags & ENDSESSION_LOGOFF))
+            {
+                window_imp->post([=]()
+                {
+                    // Check if app needs cleanup or can be closed immediately.
+                    if (window_imp->mCallbacks->handleSessionExit(window_imp))
+                    {
+                        // Get the app to initiate cleanup.
+                        window_imp->mCallbacks->handleQuit(window_imp);
+                        // The app is responsible for calling destroyWindow when done with GL
+                    }
+                });
+                // Give app a second to finish up. That's not enough for a clean exit,
+                // but better than nothing.
+                // Todo: sync this better, some kind of waitForResult? Can't wait forever,
+                // but can potentially use ShutdownBlockReasonCreate for a bigger delay.
+                ms_sleep(1000);
+            }
+            // Don't need to post quit or destroy window,
+            // if session is ending OS is going to take care of it.
+            return 0;
+        }
         case WM_COMMAND:
         {
             LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_COMMAND");
@@ -3111,6 +3159,7 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
 
                         prev_absolute_x = absolute_x;
                         prev_absolute_y = absolute_y;
+                        window_imp->mAbsoluteCursorPosition = true;
                     }
                     else
                     {
@@ -3127,6 +3176,7 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
                             window_imp->mRawMouseDelta.mX += (S32)round((F32)raw->data.mouse.lLastX * (F32)speed / DEFAULT_SPEED);
                             window_imp->mRawMouseDelta.mY -= (S32)round((F32)raw->data.mouse.lLastY * (F32)speed / DEFAULT_SPEED);
                         }
+                        window_imp->mAbsoluteCursorPosition = false;
                     }
                 }
             }
diff --git a/indra/llwindow/llwindowwin32.h b/indra/llwindow/llwindowwin32.h
index 7196706f87..0fc93ad0b1 100644
--- a/indra/llwindow/llwindowwin32.h
+++ b/indra/llwindow/llwindowwin32.h
@@ -70,6 +70,7 @@ public:
     /*virtual*/ bool setCursorPosition(LLCoordWindow position);
     /*virtual*/ bool getCursorPosition(LLCoordWindow *position);
     /*virtual*/ bool getCursorDelta(LLCoordCommon* delta);
+    /*virtual*/ bool isWrapMouse() const override { return !mAbsoluteCursorPosition; };
     /*virtual*/ void showCursor();
     /*virtual*/ void hideCursor();
     /*virtual*/ void showCursorFromMouseMove();
@@ -195,6 +196,7 @@ protected:
 
     HCURSOR     mCursor[ UI_CURSOR_COUNT ];  // Array of all mouse cursors
     LLCoordWindow mCursorPosition;  // mouse cursor position, should only be mutated on main thread
+    bool        mAbsoluteCursorPosition; // true if last position was received in absolute coordinates.
     LLMutex mRawMouseMutex;
     RAWINPUTDEVICE mRawMouse;
     LLCoordWindow mLastCursorPosition; // mouse cursor position from previous frame