From d8b303c5814744dd2dc9d201756692e32581f5d8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eduard=20M=C3=BCller?= <mail@emuell.net>
Date: Wed, 27 May 2026 12:53:50 +0200
Subject: [PATCH] Apply slint view scale factors before sending events to
 PluginView

---
 plugin-canvas-slint/src/window_adapter.rs |  8 +++++++-
 plugin-canvas/src/event.rs                | 19 +++++++++++++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/plugin-canvas-slint/src/window_adapter.rs b/plugin-canvas-slint/src/window_adapter.rs
index b301c74..4c57d3e 100644
--- a/plugin-canvas-slint/src/window_adapter.rs
+++ b/plugin-canvas-slint/src/window_adapter.rs
@@ -137,7 +137,13 @@ impl PluginCanvasWindowAdapter {
 
     pub fn on_event(&self, event: &plugin_canvas::Event) -> EventResponse {
         let view_response = if let Some(view) = self.view.borrow().as_ref() {
-            view.on_event(event)
+            view.on_event(&event.clone().with_mapped_position(|position| {
+                let position = self.convert_logical_position(position);
+                plugin_canvas::LogicalPosition {
+                    x: position.x as f64,
+                    y: position.y as f64,
+                }
+            }))
         } else {
             EventResponse::Ignored
         };
diff --git a/plugin-canvas/src/event.rs b/plugin-canvas/src/event.rs
index 53e29e1..eccf3f3 100644
--- a/plugin-canvas/src/event.rs
+++ b/plugin-canvas/src/event.rs
@@ -65,6 +65,25 @@ pub enum Event {
     },
 }
 
+impl Event {
+    pub fn with_mapped_position<F>(mut self, map: F) -> Self
+    where
+        F: Fn(&LogicalPosition) -> LogicalPosition,
+    {
+        match &mut self {
+            Event::DragDropped { position, .. } => *position = map(position),
+            Event::DragEntered { position, .. } => *position = map(position),
+            Event::DragMoved { position, .. } => *position = map(position),
+            Event::MouseButtonDown { position, .. } => *position = map(position),
+            Event::MouseButtonUp { position, .. } => *position = map(position),
+            Event::MouseMoved { position, .. } => *position = map(position),
+            Event::MouseWheel { position, .. } => *position = map(position),
+            _ => {}
+        }
+        self
+    }
+}
+
 #[derive(Clone, Copy, Debug, PartialEq)]
 pub enum EventResponse {
     Handled,