From 5abfe6d2056ffe779c50cbed22b543652b1254a9 Mon Sep 17 00:00:00 2001
From: Pieter Hulshoff <pieter@towel42.nl>
Date: Thu, 11 Aug 2016 15:31:13 +0200
Subject: [PATCH] Added onMenuScroll animation, which activates once every time
 the menu starts scrolling.

---
 RetroFE/Source/Graphics/Page.cpp        | 21 +++++++++++++++++++++
 RetroFE/Source/Graphics/Page.h          |  1 +
 RetroFE/Source/Graphics/PageBuilder.cpp |  1 +
 3 files changed, 23 insertions(+)

diff --git a/RetroFE/Source/Graphics/Page.cpp b/RetroFE/Source/Graphics/Page.cpp
index 48fb52d..85653f4 100644
--- a/RetroFE/Source/Graphics/Page.cpp
+++ b/RetroFE/Source/Graphics/Page.cpp
@@ -325,6 +325,19 @@ void Page::playlistChange()
 }
 
 
+void Page::menuScroll()
+{
+    Item *item = selectedItem_;
+
+    if(!item) return;
+
+    for(std::vector<Component *>::iterator it = LayerComponents.begin(); it != LayerComponents.end(); ++it)
+    {
+        (*it)->triggerEvent( "menuScroll", menuDepth_ - 1 );
+    }
+}
+
+
 void Page::highlightEnter()
 {
     Item *item = selectedItem_;
@@ -371,10 +384,18 @@ void Page::setScrolling(ScrollDirection direction)
     switch(direction)
     {
     case ScrollDirectionForward:
+        if(!scrollActive_)
+        {
+            menuScroll();
+        }
         menuDirection = ScrollingList::ScrollDirectionForward;
         scrollActive_ = true;
         break;
     case ScrollDirectionBack:
+        if(!scrollActive_)
+        {
+            menuScroll();
+        }
         menuDirection = ScrollingList::ScrollDirectionBack;
         scrollActive_ = true;
         break;
diff --git a/RetroFE/Source/Graphics/Page.h b/RetroFE/Source/Graphics/Page.h
index 2c43765..a8cc52a 100644
--- a/RetroFE/Source/Graphics/Page.h
+++ b/RetroFE/Source/Graphics/Page.h
@@ -86,6 +86,7 @@ public:
     std::string getCollectionName();
     void setMinShowTime(float value);
     float getMinShowTime();
+    void menuScroll();
     void highlightEnter();
     void highlightExit();
     void addPlaylist();
diff --git a/RetroFE/Source/Graphics/PageBuilder.cpp b/RetroFE/Source/Graphics/PageBuilder.cpp
index 06e2981..6d76f40 100644
--- a/RetroFE/Source/Graphics/PageBuilder.cpp
+++ b/RetroFE/Source/Graphics/PageBuilder.cpp
@@ -704,6 +704,7 @@ AnimationEvents *PageBuilder::createTweenInstance(xml_node<> *componentXml)
     buildTweenSet(tweens, componentXml, "onEnter", "enter");
     buildTweenSet(tweens, componentXml, "onExit", "exit");
     buildTweenSet(tweens, componentXml, "onIdle", "idle");
+    buildTweenSet(tweens, componentXml, "onMenuScroll", "menuScroll");
     buildTweenSet(tweens, componentXml, "onHighlightEnter", "highlightEnter");
     buildTweenSet(tweens, componentXml, "onHighlightExit", "highlightExit");
     buildTweenSet(tweens, componentXml, "onMenuEnter", "menuEnter");