1 files changed, 12 insertions, 0 deletions
diff --git a/src/window.rs b/src/window.rs
index 70c9c02..f031af5 100644
--- a/src/window.rs
+++ b/src/window.rs
@@ -18,11 +18,21 @@ fn to_physical_size(dimensions: Dimensions, scale: u32) -> PhysicalSize<u32> {
 }
 
 
+#[derive(Copy, Clone, Debug, PartialEq)]
+pub enum PointerState {
+    In,
+    Out,
+    PendingOut,
+}
+
+
 pub(crate) struct PhosphorWindow {
     pub winit: Rc<Window>,
     pub program: Box<dyn WindowProgram>,
     pub requests: EventQueue<Request>,
     pub pointer: Option<Position>,
+    pub pointer_state: PointerState,
+    pub mouse_buttons: [bool; 5],
     pub marked_for_destruction: bool,
     pub size_bounds: SizeBounds,  // logical dimensions
 
@@ -79,6 +89,8 @@ impl PhosphorWindow {
             program: builder.program,
             requests: EventQueue::new(),
             pointer: None,
+            pointer_state: PointerState::Out,
+            mouse_buttons: [false; 5],
             marked_for_destruction: false,
             size_bounds,