Implement `Widget::mouse_interaction` for `PaneGrid`

... and fix rendering of drag interaction in `PaneGrid` by
introducing an explicit `with_translation` method to `Renderer`
and simplifying the `with_layer` and `Clip` primitive.

2 files changed, 8 insertions, 7 deletions

diff --git a/native/src/renderer.rs b/native/src/renderer.rs
index e48c701d..6d12edae 100644
--- a/native/src/renderer.rs
+++ b/native/src/renderer.rs
@@ -46,10 +46,11 @@ pub trait Renderer: Sized {
         element.layout(self, limits)
     }
 
-    fn with_layer(
+    fn with_layer(&mut self, bounds: Rectangle, f: impl FnOnce(&mut Self));
+
+    fn with_translation(
         &mut self,
-        bounds: Rectangle,
-        offset: Vector<u32>,
+        translation: Vector,
         f: impl FnOnce(&mut Self),
     );
 
diff --git a/native/src/renderer/null.rs b/native/src/renderer/null.rs
index 485c5b2c..cc1d41ba 100644
--- a/native/src/renderer/null.rs
+++ b/native/src/renderer/null.rs
@@ -1,4 +1,3 @@
-use crate::pane_grid;
 use crate::progress_bar;
 use crate::renderer::{self, Renderer};
 use crate::text;
@@ -19,10 +18,11 @@ impl Null {
 }
 
 impl Renderer for Null {
-    fn with_layer(
+    fn with_layer(&mut self, _bounds: Rectangle, _f: impl FnOnce(&mut Self)) {}
+
+    fn with_translation(
         &mut self,
-        _bounds: Rectangle,
-        _offset: Vector<u32>,
+        _translation: Vector,
         _f: impl FnOnce(&mut Self),
     ) {
     }