fix double click timestamp check

Author: sprocketc

src/renderer/app/db.cljs

@@ -27,7 +27,7 @@
    utils.i18n/lang?])
 
 (def App
-  [:map {:closed true}
+  [:map
    [:tool {:default :transform} Tool]
    [:primary-tool {:optional true} Tool]
    [:pointer-pos {:default [0 0]} Vec2]
@@ -39,7 +39,7 @@
    [:nearest-neighbors {:optional true} [:sequential NearestNeighbor]]
    [:drag {:optional true} boolean?]
    [:zoom-sensitivity {:default 0.75} [:and number? pos?]]
-   [:event-time {:optional true} number?]
+   [:event-timestamp {:optional true} number?]
    [:double-click-delta {:default 250} [:and number? pos?]]
    [:state {:default :idle} State]
    [:grid {:default false :persist true} boolean?]

src/renderer/event/handlers.cljs

@@ -65,10 +65,11 @@
                     (tool.handlers/add-fx [::event.effects/release-pointer-capture pointer-id]))
                 (if (= button :right)
                   db
-                  (if (> (- timestamp (:event-time db)) (:double-click-delta db))
-                    (-> (assoc db :event-time timestamp)
-                        (tool.hierarchy/on-pointer-up e))
-                    (tool.hierarchy/on-double-click db e))))
+                  (if (< 0 (- timestamp (:event-timestamp db)) (:double-click-delta db))
+                    (-> (dissoc db :event-timestamp)
+                        (tool.hierarchy/on-double-click e))
+                    (-> (assoc db :event-timestamp timestamp)
+                        (tool.hierarchy/on-pointer-up e)))))
         (and primary-tool (= button :middle))
         (-> (tool.handlers/activate primary-tool)
             (dissoc :primary-tool))