Add ClipCursor (Windows only)

2022-02-18 21:14:08 +10:00
parent 69a1e007a6
commit 8db4c3cfff
4 changed files with 55 additions and 0 deletions
--- a/Source/Engine/Platform/Windows/WindowsWindow.cpp
+++ b/Source/Engine/Platform/Windows/WindowsWindow.cpp
@@ -564,6 +564,34 @@ void WindowsWindow::EndTrackingMouse()
    }
 }

+void WindowsWindow::StartClippingCursor(const Rectangle& bounds)
+{
+    ASSERT(HasHWND());
+
+    if (!_isClippingCursor)
+    {
+        _isClippingCursor = true;
+    }
+
+    const RECT lpRect = { 
+        bounds.GetUpperLeft().X,
+        bounds.GetUpperLeft().Y,
+        bounds.GetBottomRight().X,
+        bounds.GetBottomRight().Y
+    };
+    ClipCursor(&lpRect);
+}
+
+void WindowsWindow::EndClippingMouse()
+{
+    if (_isClippingCursor)
+    {
+        _isClippingCursor = false;
+
+        ClipCursor(NULL);
+    }
+}
+
 void WindowsWindow::SetCursor(CursorType type)
 {
    // Base