Add <c-y> and <c-e> for visual mode.

Fixes #2092.

3 files changed, 20 insertions, 15 deletions

diff --git a/content_scripts/mode_visual.coffee b/content_scripts/mode_visual.coffee
index 8c1fb5a4..97ad5ca6 100644
--- a/content_scripts/mode_visual.coffee
+++ b/content_scripts/mode_visual.coffee
@@ -223,8 +223,12 @@ class VisualMode extends KeyHandlerMode
         keyMapping[keys[0]] ?= {}
         extend keyMapping[keys[0]], "#{keys[1]}": command: movement
 
-    # Aliases.
-    extend keyMapping, "B": keyMapping.b, "W": keyMapping.w
+    # Aliases and complex bindings.
+    extend keyMapping,
+      "B": keyMapping.b
+      "W": keyMapping.w
+      "<c-e>": command: (count) -> Scroller.scrollBy "y", count * Settings.get("scrollStepSize"), 1, false
+      "<c-y>": command: (count) -> Scroller.scrollBy "y", -count * Settings.get("scrollStepSize"), 1, false
 
     super extend options,
       name: options.name ? "visual"
diff --git a/content_scripts/scroller.coffee b/content_scripts/scroller.coffee
index 6965f706..56b9a6c6 100644
--- a/content_scripts/scroller.coffee
+++ b/content_scripts/scroller.coffee
@@ -232,7 +232,7 @@ Scroller =
 
   # scroll the active element in :direction by :amount * :factor.
   # :factor is needed because :amount can take on string values, which scrollBy converts to element dimensions.
-  scrollBy: (direction, amount, factor = 1) ->
+  scrollBy: (direction, amount, factor = 1, continuous = true) ->
     # if this is called before domReady, just use the window scroll function
     if (!document.body and amount instanceof Number)
       if (direction == "x")
@@ -249,7 +249,7 @@ Scroller =
     unless CoreScroller.wouldNotInitiateScroll()
       element = findScrollableElement activatedElement, direction, amount, factor
       elementAmount = factor * getDimension element, direction, amount
-      CoreScroller.scroll element, direction, elementAmount
+      CoreScroller.scroll element, direction, elementAmount, continuous
 
   scrollTo: (direction, pos) ->
     activatedElement ||= (document.body and firstScrollableElement()) or document.body
diff --git a/lib/handler_stack.coffee b/lib/handler_stack.coffee
index c17be24f..806b707f 100644
--- a/lib/handler_stack.coffee
+++ b/lib/handler_stack.coffee
@@ -93,20 +93,21 @@ class HandlerStack
     @continueBubbling
 
   alwaysSuppressPropagation: (handler = null) ->
-    handler?()
-    @suppressPropagation
+    if handler?() == @suppressEvent then @suppressEvent else @suppressPropagation
 
   # Debugging.
   logResult: (eventNumber, type, event, handler, result) ->
-    label =
-      switch result
-        when @passEventToPage then "passEventToPage"
-        when @suppressPropagation then "suppressPropagation"
-        when @restartBubbling then "restartBubbling"
-        when "skip" then "skip"
-        when true then "continue"
-    label ||= if result then "continue/truthy" else "suppress"
-    console.log "#{eventNumber}", type, handler._name, label
+    if event?.type == "keydown" # Tweak this as needed.
+      label =
+        switch result
+          when @passEventToPage then "passEventToPage"
+          when @suppressEvent then "suppressEvent"
+          when @suppressPropagation then "suppressPropagation"
+          when @restartBubbling then "restartBubbling"
+          when "skip" then "skip"
+          when true then "continue"
+      label ||= if result then "continue/truthy" else "suppress"
+      console.log "#{eventNumber}", type, handler._name, label
 
   show: ->
     console.log "#{@eventNumber}:"