Adding button to add to playlists (does not yet save favorites.txt yet)

Package/Environment/Common/controls.conf

@@ -7,7 +7,8 @@ pageDown = B
 letterUp = N
 letterDown = M
 nextPlaylist = P
-addPlaylist = O
+addPlaylist = I
+removePlaylist = O
 random = R
 select = Space
 back = Escape

RetroFE/Source/Control/UserInput.cpp

@@ -76,6 +76,7 @@ bool UserInput::initialize()
     MapKey("letterUp", KeyCodeLetterUp, false);
     MapKey("nextPlaylist", KeyCodeNextPlaylist, false);
     MapKey("addPlaylist", KeyCodeAddPlaylist, false);
+    MapKey("removePlaylist", KeyCodeRemovePlaylist, false);
     MapKey("random", KeyCodeRandom, false);
     // these features will need to be implemented at a later time
 //   retVal = MapKey("admin", KeyCodeAdminMode) && retVal;

RetroFE/Source/Control/UserInput.h

@@ -42,6 +42,7 @@ public:
         KeyCodeNextPlaylist,
         KeyCodeRandom,
         KeyCodeAddPlaylist,
+        KeyCodeRemovePlaylist,
         KeyCodeAdminMode,
         KeyCodeHideItem,
         KeyCodeQuit,

RetroFE/Source/Graphics/Page.cpp

@@ -645,6 +645,30 @@ void Page::draw()
 
 }
 
+void Page::removePlaylist()
+{
+    if(!selectedItem_) return;
+
+    MenuInfo_S &info = collections_.back();
+    CollectionInfo *collection = info.collection;
+
+    std::vector<Item *> *items = collection->playlists["favorites"];
+    std::vector<Item *> it = std::find(items->begin(), items->end(), selectedItem_);
+
+    if(it != items->end())
+    {
+        items->erase(it);
+
+        items->shrink_to_fit();
+
+        if(activeMenu_) 
+        {
+            activeMenu_->deallocateSpritePoints();
+            activeMenu_->allocateSpritePoints();
+        }
+    }
+}
+
 void Page::addPlaylist()
 {
     if(!selectedItem_) return;

RetroFE/Source/RetroFE.cpp

@@ -450,6 +450,7 @@ RetroFE::RETROFE_STATE RetroFE::processUserInput(Page *page)
     !input_.keystate(UserInput::KeyCodeLetterDown) &&
     !input_.keystate(UserInput::KeyCodeNextPlaylist) &&
     !input_.keystate(UserInput::KeyCodeAddPlaylist) &&
+    !input_.keystate(UserInput::KeyCodeRemovePlaylist) &&
     !input_.keystate(UserInput::KeyCodeRandom))
     {
         keyLastTime_ = 0;
@@ -482,6 +483,10 @@ RetroFE::RETROFE_STATE RetroFE::processUserInput(Page *page)
         {
             page->nextPlaylist();
         }
+        if(input_.keystate(UserInput::KeyCodeRemovePlaylist))
+        {
+            page->removePlaylist();
+        }
         if(input_.keystate(UserInput::KeyCodeAddPlaylist))
         {
             page->addPlaylist();