From 6389b1a384a4d970e5ae6e92af730f751af34ab4 Mon Sep 17 00:00:00 2001
From: Elias Naur <mail@eliasnaur.com>
Date: Wed, 30 Mar 2022 18:12:07 +0200
Subject: [PATCH] io/router: add ScrollGesture

Signed-off-by: Elias Naur <mail@eliasnaur.com>
---
 io/router/pointer.go | 3 +++
 io/router/router.go  | 1 +
 2 files changed, 4 insertions(+)

diff --git a/io/router/pointer.go b/io/router/pointer.go
index dd8c7ec6..a6f45b12 100644
--- a/io/router/pointer.go
+++ b/io/router/pointer.go
@@ -265,6 +265,9 @@ func (c *pointerCollector) inputOp(op pointer.InputOp, events *handlerEvents) {
 	if op.Types&(pointer.Press|pointer.Release) != 0 {
 		area.semantic.content.gestures |= ClickGesture
 	}
+	if op.Types&pointer.Scroll != 0 {
+		area.semantic.content.gestures |= ScrollGesture
+	}
 	area.semantic.valid = area.semantic.content.gestures != 0
 	h := c.newHandler(op.Tag, events)
 	h.wantsGrab = h.wantsGrab || op.Grab
diff --git a/io/router/router.go b/io/router/router.go
index 089c6f12..f7fb059e 100644
--- a/io/router/router.go
+++ b/io/router/router.go
@@ -85,6 +85,7 @@ type SemanticGestures int
 
 const (
 	ClickGesture SemanticGestures = 1 << iota
+	ScrollGesture
 )
 
 // SemanticID uniquely identifies a SemanticDescription.