Add Response::on_hover_and_drag_cursor

CHANGELOG.md

@@ -11,6 +11,7 @@ NOTE: [`epaint`](crates/epaint/CHANGELOG.md), [`eframe`](crates/eframe/CHANGELOG
 * Add `Memory::any_popup_open`, which returns true if any popup is currently open ([#2464](https://github.com/emilk/egui/pull/2464)).
 * Add `Plot::clamp_grid` to only show grid where there is data ([#2480](https://github.com/emilk/egui/pull/2480)).
 * Add `ScrollArea::drag_to_scroll` if you want to turn off that feature.
+* Add `Response::on_hover_and_drag_cursor`.
 
 ### Changed 🔧
 * Improved plot grid appearance ([#2412](https://github.com/emilk/egui/pull/2412)).

crates/egui/src/response.rs

@@ -459,6 +459,14 @@ impl Response {
         self
     }
 
+    /// When hovered or dragged, use this icon for the mouse cursor.
+    pub fn on_hover_and_drag_cursor(self, cursor: CursorIcon) -> Self {
+        if self.hovered() || self.dragged() {
+            self.ctx.output().cursor_icon = cursor;
+        }
+        self
+    }
+
     /// Check for more interactions (e.g. sense clicks on a [`Response`] returned from a label).
     ///
     /// Note that this call will not add any hover-effects to the widget, so when possible