extract workspace crates and switch to gpui-native-kit

crates/signed_app/src/dialogs/mod.rs

@@ -0,0 +1,47 @@
+use gpui::prelude::FluentBuilder as _;
+use gpui::{
+    AnyView, App, Context, Entity, Global, IntoElement, ParentElement as _, Render, Styled as _,
+    Window, div,
+};
+
+struct GlobalDialogHost(Entity<DialogHost>);
+
+impl Global for GlobalDialogHost {}
+
+/// Owns the modal currently mounted at the window root.
+pub struct DialogHost {
+    open: Option<AnyView>,
+}
+
+impl DialogHost {
+    pub fn new(_cx: &mut Context<Self>) -> Self {
+        Self { open: None }
+    }
+
+    pub fn set_global(entity: Entity<Self>, cx: &mut App) {
+        cx.set_global(GlobalDialogHost(entity));
+    }
+
+    pub fn global(cx: &App) -> Entity<Self> {
+        cx.global::<GlobalDialogHost>().0.clone()
+    }
+
+    pub fn open(&mut self, view: AnyView, cx: &mut Context<Self>) {
+        self.open = Some(view);
+        cx.notify();
+    }
+
+    pub fn close(&mut self, cx: &mut Context<Self>) {
+        self.open = None;
+        cx.notify();
+    }
+}
+
+impl Render for DialogHost {
+    fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
+        div()
+            .absolute()
+            .inset_0()
+            .when_some(self.open.clone(), |host, view| host.child(view))
+    }
+}