Fix layout of elements in the feedback editor's toolbar

Co-Authored-By: Kay Simmons <3323631+Kethku@users.noreply.github.com>
Co-Authored-By: Julia <30666851+ForLoveOfCats@users.noreply.github.com>

crates/gpui/src/elements/clipped.rs

@@ -0,0 +1,69 @@
+use std::ops::Range;
+
+use pathfinder_geometry::{rect::RectF, vector::Vector2F};
+use serde_json::json;
+
+use crate::{
+    json, DebugContext, Element, ElementBox, LayoutContext, MeasurementContext, PaintContext,
+    SizeConstraint,
+};
+
+pub struct Clipped {
+    child: ElementBox,
+}
+
+impl Clipped {
+    pub fn new(child: ElementBox) -> Self {
+        Self { child }
+    }
+}
+
+impl Element for Clipped {
+    type LayoutState = ();
+    type PaintState = ();
+
+    fn layout(
+        &mut self,
+        constraint: SizeConstraint,
+        cx: &mut LayoutContext,
+    ) -> (Vector2F, Self::LayoutState) {
+        (self.child.layout(constraint, cx), ())
+    }
+
+    fn paint(
+        &mut self,
+        bounds: RectF,
+        visible_bounds: RectF,
+        _: &mut Self::LayoutState,
+        cx: &mut PaintContext,
+    ) -> Self::PaintState {
+        cx.scene.push_layer(Some(bounds));
+        self.child.paint(bounds.origin(), visible_bounds, cx);
+        cx.scene.pop_layer();
+    }
+
+    fn rect_for_text_range(
+        &self,
+        range_utf16: Range<usize>,
+        _: RectF,
+        _: RectF,
+        _: &Self::LayoutState,
+        _: &Self::PaintState,
+        cx: &MeasurementContext,
+    ) -> Option<RectF> {
+        self.child.rect_for_text_range(range_utf16, cx)
+    }
+
+    fn debug(
+        &self,
+        _: RectF,
+        _: &Self::LayoutState,
+        _: &Self::PaintState,
+        cx: &DebugContext,
+    ) -> json::Value {
+        json!({
+            "type": "Clipped",
+            "child": self.child.debug(cx)
+        })
+    }
+}