From 1cb4a7676a3eef62b4c3465051556cffb08c57e1 Mon Sep 17 00:00:00 2001
From: Benjamin Klum <benjamin.klum@helgoboss.org>
Date: Fri, 18 Oct 2024 05:53:54 +0200
Subject: [PATCH] #1256 Docs: Add support for processing mouse-move events

intended to be used for mouse-over help
---
 main/src/infrastructure/ui/mapping_panel.rs | 5 +++++
 swell-ui/src/view.rs                        | 8 ++++++++
 swell-ui/src/view_manager.rs                | 6 ++++++
 3 files changed, 19 insertions(+)

diff --git a/main/src/infrastructure/ui/mapping_panel.rs b/main/src/infrastructure/ui/mapping_panel.rs
index caed2cb80..1b8018e70 100644
--- a/main/src/infrastructure/ui/mapping_panel.rs
+++ b/main/src/infrastructure/ui/mapping_panel.rs
@@ -7486,6 +7486,11 @@ impl View for MappingPanel {
             false
         }
     }
+
+    // fn mouse_moved(self: SharedView<Self>, position: Point<Pixels>) -> bool {
+    //     // dbg!(position);
+    //     false
+    // }
 }
 
 const SOURCE_MATCH_INDICATOR_TIMER_ID: usize = 570;
diff --git a/swell-ui/src/view.rs b/swell-ui/src/view.rs
index 5dcd59e33..faa5b0750 100644
--- a/swell-ui/src/view.rs
+++ b/swell-ui/src/view.rs
@@ -138,6 +138,14 @@ pub trait View: Debug {
         false
     }
 
+    /// WM_MOUSEMOVE.
+    ///
+    /// Should return `true` if processed.
+    fn mouse_moved(self: SharedView<Self>, position: Point<Pixels>) -> bool {
+        let _ = position;
+        false
+    }
+
     /// WM_KEYDOWN.
     ///
     /// Should return `true` if processed.
diff --git a/swell-ui/src/view_manager.rs b/swell-ui/src/view_manager.rs
index fd61dac9d..1040d40f3 100644
--- a/swell-ui/src/view_manager.rs
+++ b/swell-ui/src/view_manager.rs
@@ -210,6 +210,12 @@ unsafe extern "C" fn view_dialog_proc(
                 // messages are passed through to the XBridge window. This is SWELL functionality
                 // (check the SWELL code).
                 KEYBOARD_MSG_FOR_X_BRIDGE => 0,
+                raw::WM_MOUSEMOVE => view
+                    .mouse_moved(Point::new(
+                        Pixels(loword(lparam as _) as _),
+                        Pixels(hiword(lparam as _) as _),
+                    ))
+                    .into(),
                 raw::WM_SIZE => view.resized().into(),
                 raw::WM_SETFOCUS => view.focused().into(),
                 raw::WM_COMMAND => {