Add support for 'back' and 'forward' mouse buttons

MouseButton events will now also trigger when the 'back' and 'forward'
mouse buttons are pressed. These buttons aren't present on all mice.

2 files changed, 7 insertions, 3 deletions

diff --git a/src/events.rs b/src/events.rs
index 7729a63..22cada5 100644
--- a/src/events.rs
+++ b/src/events.rs
@@ -77,6 +77,8 @@ pub enum MouseButton {
     Left,
     Middle,
     Right,
+    Back,
+    Forward,
 }
 
 
diff --git a/src/phosphor.rs b/src/phosphor.rs
index 1e50735..ab13cb0 100644
--- a/src/phosphor.rs
+++ b/src/phosphor.rs
@@ -152,9 +152,11 @@ impl PhosphorApplication {
             WindowEvent::MouseInput { state, button, .. } => {
                 let action = state.into();
                 match button {
-                    WinitMouseButton::Left   => handle!(Event::MouseButton { button: MouseButton::Left,   action }),
-                    WinitMouseButton::Middle => handle!(Event::MouseButton { button: MouseButton::Middle, action }),
-                    WinitMouseButton::Right  => handle!(Event::MouseButton { button: MouseButton::Right,  action }),
+                    WinitMouseButton::Left    => handle!(Event::MouseButton { button: MouseButton::Left,    action }),
+                    WinitMouseButton::Middle  => handle!(Event::MouseButton { button: MouseButton::Middle,  action }),
+                    WinitMouseButton::Right   => handle!(Event::MouseButton { button: MouseButton::Right,   action }),
+                    WinitMouseButton::Back    => handle!(Event::MouseButton { button: MouseButton::Back,    action }),
+                    WinitMouseButton::Forward => handle!(Event::MouseButton { button: MouseButton::Forward, action }),
                     _ => (),
                 }
             }