Separate effect and held timeouts

Fixes #5.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>

README.md

@@ -131,6 +131,17 @@ modifiers and one-shot layer keys. It has the following methods:
 >
 > Defaults to 40.
 
+### `.holdTimeOut`
+
+> The number of loop iterations to wait before considering a held one-shot key
+> as intentionally held. In this case, the one-shot effect will not trigger when
+> the key is released. In other words, holding a one-shot key at least this
+> long, and then releasing it, will not trigger the one-shot effect.
+>
+> Not strictly a method, it is a variable one can assign a new value to.
+>
+> Defaults to 5.
+
 ## Further reading
 
 Starting from the [example][plugin:example] is the recommended way of getting

src/Akela/OneShot.cpp

@@ -25,6 +25,7 @@ namespace Akela {
 
   uint8_t OneShot::Timer = 0;
   uint8_t OneShot::timeOut = 40;
+  uint8_t OneShot::holdTimeOut = 5;
   uint32_t OneShot::State = 0;
   uint32_t OneShot::stickyState = 0;
   uint32_t OneShot::pressedState = 0;
@@ -213,7 +214,7 @@ namespace Akela {
       } else {
         if (key_toggled_off (keyState)) {
           clearPressed (idx);
-          if (hasTimedOut ()) {
+          if (Timer >= holdTimeOut) {
             cancelOneShot (idx);
           }
         }

src/Akela/OneShot.h

@@ -37,6 +37,7 @@ namespace Akela {
     static void cancel (bool withStickies);
     static void cancel (void) { cancel (false); };
     static uint8_t timeOut;
+    static uint8_t holdTimeOut;
 
     static bool isModifierActive (Key key);