Support smooth scrolling (part 2)

Fix scrolling when smooth scrolling is enabled /
allow to scroll smoothly for:
- canvas palette
- node selection in path tool
- selection cycling in select tool while holding Alt key
- spraying in spray tool with mouse wheel
- adjusting color by scrolling in lower left stroke/fill fields

1 files changed, 5 insertions, 1 deletions

diff --git a/src/ui/tool/node.cpp b/src/ui/tool/node.cpp
index 9223b44de..49ee0cb1d 100644
--- a/src/ui/tool/node.cpp
+++ b/src/ui/tool/node.cpp
@@ -980,7 +980,11 @@ bool Node::_eventHandler(Inkscape::UI::Tools::ToolBase *event_context, GdkEvent
             dir = 1;
         } else if (event->scroll.direction == GDK_SCROLL_DOWN) {
             dir = -1;
-        } else break;
+        } else if (event->scroll.direction == GDK_SCROLL_SMOOTH) {
+            dir = event->scroll.delta_y > 0 ? -1 : 1;
+        } else {
+            break;
+        }
         if (held_control(event->scroll)) {
             _linearGrow(dir);
         } else {