viewer#3018 Expose mouse wrap in UI

And attempt some basic automation

1 files changed, 25 insertions, 1 deletions

diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index 3849c286c5..670a3b2939 100644
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -3340,7 +3340,31 @@ void LLViewerWindow::clearPopups()
 
 void LLViewerWindow::moveCursorToCenter()
 {
-    if (! gSavedSettings.getBOOL("DisableMouseWarp"))
+    bool mouse_warp = false;
+    LLCachedControl<S32> mouse_warp_mode(gSavedSettings, "MouseWarpMode", 1);
+
+    switch (mouse_warp_mode())
+    {
+    case 0:
+        // For Windows:
+        // Mouse usually uses 'delta' position since it isn't aware of own location, keep it centered.
+        // Touch screen reports absolute or virtual absolute position and warping a physical
+        // touch is pointless, so don't move it.
+        //
+        // MacOS
+        // If 'decoupled', CGAssociateMouseAndMouseCursorPosition can make mouse stay in
+        // one place and not move, do not move it (needs testing).
+        mouse_warp = mWindow->isWrapMouse();
+        break;
+    case 1:
+        mouse_warp = true;
+        break;
+    default:
+        mouse_warp = false;
+        break;
+    }
+
+    if (mouse_warp)
     {
         S32 x = getWorldViewWidthScaled() / 2;
         S32 y = getWorldViewHeightScaled() / 2;