Update to to winit 0.28 (#2654)

* Update to winit 0.28

Mac trackpads pinch gestures will now generate `egui::Event::Zoom`

* Update accesskit_winit

* Try to get Android CI green

* Fix wayland compilation

* Add comment about android-activity

* Update changelogs

* Fix call to register_xlib_error_hook

crates/egui-winit/src/lib.rs

@@ -25,16 +25,6 @@ pub use window_settings::WindowSettings;
 
 use winit::event_loop::EventLoopWindowTarget;
 
-#[cfg(feature = "wayland")]
-#[cfg(any(
-    target_os = "linux",
-    target_os = "dragonfly",
-    target_os = "freebsd",
-    target_os = "netbsd",
-    target_os = "openbsd"
-))]
-use winit::platform::unix::EventLoopWindowTargetExtUnix;
-
 pub fn native_pixels_per_point(window: &winit::window::Window) -> f32 {
     window.scale_factor() as f32
 }
@@ -377,8 +367,9 @@ impl State {
                     consumed: false,
                 }
             }
-            WindowEvent::AxisMotion { .. }
-            | WindowEvent::CloseRequested
+
+            // Things that may require repaint:
+            WindowEvent::CloseRequested
             | WindowEvent::CursorEntered { .. }
             | WindowEvent::Destroyed
             | WindowEvent::Occluded(_)
@@ -388,10 +379,26 @@ impl State {
                 repaint: true,
                 consumed: false,
             },
-            WindowEvent::Moved(_) => EventResponse {
-                repaint: false, // moving a window doesn't warrant a repaint
+
+            // Things we completely ignore:
+            WindowEvent::AxisMotion { .. }
+            | WindowEvent::Moved(_)
+            | WindowEvent::SmartMagnify { .. }
+            | WindowEvent::TouchpadRotate { .. } => EventResponse {
+                repaint: false,
                 consumed: false,
             },
+
+            WindowEvent::TouchpadMagnify { delta, .. } => {
+                // Positive delta values indicate magnification (zooming in).
+                // Negative delta values indicate shrinking (zooming out).
+                let zoom_factor = (*delta as f32).exp();
+                self.egui_input.events.push(egui::Event::Zoom(zoom_factor));
+                EventResponse {
+                    repaint: true,
+                    consumed: egui_ctx.wants_pointer_input(),
+                }
+            }
         }
     }
 
@@ -871,6 +878,7 @@ fn wayland_display<T>(_event_loop: &EventLoopWindowTarget<T>) -> Option<*mut c_v
         target_os = "openbsd"
     ))]
     {
+        use winit::platform::wayland::EventLoopWindowTargetExtWayland as _;
         return _event_loop.wayland_display();
     }