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Create new example for all mouse events

Reinis Mazeiks 3 년 전
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1개의 변경된 파일61개의 추가작업 그리고 0개의 파일을 삭제
  1. 61 0
      examples/all_events.rs

+ 61 - 0
examples/all_events.rs

@@ -0,0 +1,61 @@
+use dioxus::prelude::*;
+use dioxus_core::UiEvent;
+use dioxus_html::on::MouseData;
+use std::sync::Arc;
+
+fn main() {
+    dioxus::desktop::launch(app);
+}
+
+#[derive(Debug)]
+enum Event {
+    MouseMove(Arc<MouseData>),
+    MouseClick(Arc<MouseData>),
+    MouseDoubleClick(Arc<MouseData>),
+    MouseDown(Arc<MouseData>),
+    MouseUp(Arc<MouseData>),
+}
+
+const MAX_EVENTS: usize = 4;
+
+fn app(cx: Scope) -> Element {
+    let container_style = r#"
+        display: flex;
+        flex-direction: column;
+        align-items: center;
+    "#;
+    let rect_style = r#"
+        background: deepskyblue;
+        height: 50vh;
+        width: 50vw;
+    "#;
+
+    let events = use_ref(&cx, || Vec::new());
+
+    let events_lock = events.read();
+    let first_index = events_lock.len().saturating_sub(MAX_EVENTS);
+    let events_rendered = events_lock[first_index..]
+        .iter()
+        .map(|event| cx.render(rsx!(div{"{event:?}"})));
+
+    let log_event = move |event: Event| {
+        events.write().push(event);
+    };
+
+    cx.render(rsx! (
+        div {
+            style: "{container_style}",
+            "Hover over to display coordinates:",
+            div {
+                style: "{rect_style}",
+                onmousemove: move |event| log_event(Event::MouseMove(event.data)),
+                onclick: move |event| log_event(Event::MouseClick(event.data)),
+                ondblclick: move |event| log_event(Event::MouseDoubleClick(event.data)),
+                onmousedown: move |event| log_event(Event::MouseDown(event.data)),
+                onmouseup: move |event| log_event(Event::MouseUp(event.data)),
+                prevent_default: "mousedown",
+            }
+        },
+        events_rendered,
+    ))
+}