Merge pull request vsg-dev#1576 from blobfish/horizontalScroll

robertosfield · web-flow · commit e5e8b86bdda5 · 2025-09-19T15:00:10.000+01:00
platform: xcb: window: Adding support for touchpad horizontal scroll
diff --git a/src/vsg/platform/xcb/Xcb_Window.cpp b/src/vsg/platform/xcb/Xcb_Window.cpp
@@ -717,6 +717,14 @@ bool Xcb_Window::pollEvents(UIEvents& events)
                 {
                     bufferedEvents.emplace_back(vsg::ScrollWheelEvent::create(this, event_time, vsg::vec3(0.0f, -1.0f, 0.0f)));
                 }
+                else if (button_press->detail == 6)
+                {
+                    bufferedEvents.emplace_back(vsg::ScrollWheelEvent::create(this, event_time, vsg::vec3(1.0f, 0.0f, 0.0f)));
+                }
+                else if (button_press->detail == 7)
+                {
+                    bufferedEvents.emplace_back(vsg::ScrollWheelEvent::create(this, event_time, vsg::vec3(-1.0f, 0.0f, 0.0f)));
+                }
                 else
                 {
                     uint16_t button = button_press->detail;

Original file line number	Diff line number	Diff line change
`@@ -717,6 +717,14 @@ bool Xcb_Window::pollEvents(UIEvents& events)`
`717`	`717`	`{`
`718`	`718`	`bufferedEvents.emplace_back(vsg::ScrollWheelEvent::create(this, event_time, vsg::vec3(0.0f, -1.0f, 0.0f)));`
`719`	`719`	`}`
	`720`	`+ else if (button_press->detail == 6)`
	`721`	`+ {`
	`722`	`+ bufferedEvents.emplace_back(vsg::ScrollWheelEvent::create(this, event_time, vsg::vec3(1.0f, 0.0f, 0.0f)));`
	`723`	`+ }`
	`724`	`+ else if (button_press->detail == 7)`
	`725`	`+ {`
	`726`	`+ bufferedEvents.emplace_back(vsg::ScrollWheelEvent::create(this, event_time, vsg::vec3(-1.0f, 0.0f, 0.0f)));`
	`727`	`+ }`
`720`	`728`	`else`
`721`	`729`	`{`
`722`	`730`	`uint16_t button = button_press->detail;`