Add retained paints and shared text selection

app-rust/src/ui/tap.rs

@@ -1,27 +1,22 @@
-use crate::ui::selection::Selection;
 use iris::prelude::*;
-use std::{cell::RefCell, rc::Rc};
 
 pub(crate) fn on_tap<Rsc: HasEvents>(
     rsc: &mut Rsc,
     ptr: WeakWidget<WidgetPtr>,
     list: WeakWidget<LazySpan>,
-    selection: Rc<RefCell<Selection>>,
     f: impl Fn(&mut Rsc) + 'static,
 ) where
     Rsc::State: FocusHost + OpenUrl,
 {
-    ptr.on(CursorSense::drag_senses(), move |ctx, rsc| {
-        let outcome = selection.borrow_mut().drag(
-            rsc,
-            list,
-            None,
-            ctx.data.cursor.pos,
-            ctx.data.sense,
-            ctx.data.cursor.time,
-            ctx.data.pointer,
-        );
-        if outcome == GestureOutcome::Tapped {
+    ptr.on(CursorSense::drag_senses(), move |ctx, rsc: &mut Rsc| {
+        let input = &ctx.data;
+        let outcome = rsc
+            .with_nearest_controller::<SelectionController, _>(
+                list,
+                |id, selection, rsc| selection.drag(id, rsc, input),
+            )
+            .unwrap_or(SelectionInput::Tapped);
+        if outcome == SelectionInput::Tapped {
             f(rsc);
         }
     })