demo: fix key events being reread repeatedly

ernieIzde8ski · ernieIzde8ski · commit 4f9304487e2e · 2024-06-25T12:33:37.000-04:00
diff --git a/examples/demo/main.rs b/examples/demo/main.rs
@@ -129,8 +129,10 @@ fn check_for_loaded(
 }
 
 // Helper function to see if there was a key press this frame
-pub fn detect_keypress(keys: EventReader<CrosstermKeyEventWrapper>) -> bool {
-    !keys.is_empty()
+pub fn detect_keypress(mut keys: EventReader<CrosstermKeyEventWrapper>) -> bool {
+    let res = !keys.is_empty();
+    keys.clear();
+    res
 }
 
 // Simple update function that most screens will use

Original file line number	Diff line number	Diff line change
`@@ -129,8 +129,10 @@ fn check_for_loaded(`
`129`	`129`	`}`
`130`	`130`
`131`	`131`	`// Helper function to see if there was a key press this frame`
`132`		`-pub fn detect_keypress(keys: EventReader<CrosstermKeyEventWrapper>) -> bool {`
`133`		`- !keys.is_empty()`
	`132`	`+pub fn detect_keypress(mut keys: EventReader<CrosstermKeyEventWrapper>) -> bool {`
	`133`	`+ let res = !keys.is_empty();`
	`134`	`+ keys.clear();`
	`135`	`+ res`
`134`	`136`	`}`
`135`	`137`
`136`	`138`	`// Simple update function that most screens will use`