Fix crash when closing windows

2021-05-05 11:34:49 -06:00
parent f7d8b6b4c0
commit 3f844bc953
4 changed files with 42 additions and 1 deletions
@@ -16,6 +16,7 @@ pub struct Window {
    current_scene: Option<crate::Scene>,
    event_handlers: Vec<Box<dyn FnMut(super::Event)>>,
    resize_handlers: Vec<Box<dyn FnMut(&mut dyn super::WindowContext)>>,
+    close_handlers: Vec<Box<dyn FnOnce()>>,
 }

 impl Platform {
@@ -92,6 +93,7 @@ impl Window {
            size,
            event_handlers: Vec::new(),
            resize_handlers: Vec::new(),
+            close_handlers: Vec::new(),
            scale_factor: 1.0,
            current_scene: None,
        }
@@ -130,6 +132,10 @@ impl super::Window for Window {
    fn on_resize(&mut self, callback: Box<dyn FnMut(&mut dyn super::WindowContext)>) {
        self.resize_handlers.push(callback);
    }
+
+    fn on_close(&mut self, callback: Box<dyn FnOnce()>) {
+        self.close_handlers.push(callback);
+    }
 }

 pub fn platform() -> impl super::Platform {