initial wip code to update cursor states

Signed-off-by: hultonha <hultonha@amazon.co.uk>

Code/Framework/AzToolsFramework/AzToolsFramework/Input/QtEventToAzInputManager.cpp

@@ -256,6 +256,14 @@ namespace AzToolsFramework
             // If our focus changes, go ahead and reset all input devices.
             HandleFocusChange(event);
 
+            if (eventType == QEvent::FocusOut)
+            {
+                if (m_capturingCursor)
+                {
+                    qApp->restoreOverrideCursor();
+                }
+            }
+
             // If we focus in on the source widget and the mouse is contained in its
             // bounds, refresh the cached cursor position to ensure it is up to date (this
             // ensures cursor positions are refreshed correctly with context menu focus changes)
@@ -264,6 +272,11 @@ namespace AzToolsFramework
                 const auto globalCursorPosition = QCursor::pos();
                 if (m_sourceWidget->geometry().contains(globalCursorPosition))
                 {
+                    if (m_capturingCursor)
+                    {
+                        qApp->setOverrideCursor(Qt::ForbiddenCursor);
+                    }
+
                     HandleMouseMoveEvent(globalCursorPosition);
                 }
             }
@@ -452,4 +465,22 @@ namespace AzToolsFramework
             }
         }
     }
+
+    void QtEventToAzInputMapper::PushCursor(/*enum*/)
+    {
+        if (!m_overrideCursor)
+        {
+            qApp->setOverrideCursor(Qt::ForbiddenCursor);
+            m_overrideCursor = true;
+        }
+    }
+
+    void QtEventToAzInputMapper::PopCursor()
+    {
+        if (m_overrideCursor)
+        {
+            qApp->restoreOverrideCursor();
+            m_overrideCursor = false;
+        }
+    }
 } // namespace AzToolsFramework

Code/Framework/AzToolsFramework/AzToolsFramework/Input/QtEventToAzInputManager.h

@@ -55,6 +55,9 @@ namespace AzToolsFramework
         //! like a dolly or rotation, where mouse movement is important but cursor location is not.
         void SetCursorCaptureEnabled(bool enabled);
 
+        void PushCursor(/*enum*/);
+        void PopCursor();
+
         // QObject overrides...
         bool eventFilter(QObject* object, QEvent* event) override;
 
@@ -164,6 +167,8 @@ namespace AzToolsFramework
         bool m_enabled = true;
         // Flags whether or not the cursor is being constrained to the source widget (for invisible mouse movement).
         bool m_capturingCursor = false;
+        //
+        bool m_overrideCursor = true;
 
         // Our viewport-specific AZ devices. We control their internal input channel states.
         AZStd::unique_ptr<EditorQtMouseDevice> m_mouseDevice;