makes changes requested in #232 discussion

Author: hyperbolist

src/MIDI.h

@@ -236,8 +236,6 @@ class MidiInterface
     // MIDI Soft Thru
 
 public:
-    inline bool getThruState() const;
-
     using ThruFilterCallback = bool (*)(const MidiMessage& inMessage);
     using ThruMapCallback = MidiMessage (*)(const MidiMessage& inMessage);
     inline MidiInterface& turnThruOn(ThruFilterCallback fptr = thruOn);
@@ -254,7 +252,7 @@ class MidiInterface
     }
 
 private:
-    void thruFilter();
+    void processThru();
     static inline bool thruOn(const MidiMessage& inMessage) { (void)inMessage; return true; }
     static inline bool thruOff(const MidiMessage& inMessage) { (void)inMessage; return false; }
     static inline MidiMessage thruEcho(const MidiMessage& inMessage) { return inMessage; }

src/MIDI.hpp

@@ -816,7 +816,7 @@ inline bool MidiInterface<Transport, Settings, Platform>::read(Channel inChannel
     if (channelMatch)
         launchCallback();
 
-    thruFilter();
+    processThru();
 
     return channelMatch;
 }
@@ -1397,13 +1397,7 @@ void MidiInterface<Transport, Settings, Platform>::launchCallback()
  */
 
 template<class Transport, class Settings, class Platform>
-inline bool MidiInterface<Transport, Settings, Platform>::getThruState() const
-{
-    return mThruFilterCallback != thruOff;
-}
-
-template<class Transport, class Settings, class Platform>
-inline MidiInterface<Transport, Settings, Platform>& MidiInterface<Transport, Settings, Platform>::turnThruOn(ThruFilterCallback fptr)
+inline void MidiInterface<Transport, Settings, Platform>::turnThruOn(ThruFilterCallback fptr)
 {
     mThruFilterCallback = fptr;
     return *this;
@@ -1425,15 +1419,15 @@ inline MidiInterface<Transport, Settings, Platform>& MidiInterface<Transport, Se
 // - Channel messages are passed to the output whether their channel
 //   is matching the input channel and the filter setting
 template<class Transport, class Settings, class Platform>
-void MidiInterface<Transport, Settings, Platform>::thruFilter()
+void MidiInterface<Transport, Settings, Platform>::processThru()
 {
    if (!mThruFilterCallback(mMessage))
       return;
 
    MidiMessage thruMessage = mThruMapCallback(mMessage);
 
     // First, check if the received message is Channel
-    if (mMessage.type >= NoteOff && mMessage.type <= PitchBend)
+    if (thruMessage.type >= NoteOff && thruMessage.type <= PitchBend)
     {
        send(thruMessage.type,
             thruMessage.data1,
@@ -1443,7 +1437,7 @@ void MidiInterface<Transport, Settings, Platform>::thruFilter()
     else
     {
         // Send the message to the output
-        switch (mMessage.type)
+        switch (thruMessage.type)
         {
                 // Real Time and 1 byte
             case Clock:
@@ -1453,7 +1447,7 @@ void MidiInterface<Transport, Settings, Platform>::thruFilter()
             case ActiveSensing:
             case SystemReset:
             case TuneRequest:
-                sendRealTime(mMessage.type);
+                sendRealTime(thruMessage.type);
                 break;
 
             case SystemExclusive:

test/unit-tests/tests/unit-tests_MidiThru.cpp

@@ -59,30 +59,6 @@ MidiMessage thruMapNoteOnFullVelocity(const MidiMessage& inMessage)
 
 // -----------------------------------------------------------------------------
 
-TEST(MidiThru, defaultValues)
-{
-    EXPECT_EQ(midi.getThruState(),  true);
-    midi.begin(); // Should not change the state
-    EXPECT_EQ(midi.getThruState(),  true);
-}
-
-TEST(MidiThru, beginEnablesThru)
-{
-    midi.turnThruOff();
-    EXPECT_EQ(midi.getThruState(),  false);
-    midi.begin();
-    EXPECT_EQ(midi.getThruState(),  true);
-}
-
-TEST(MidiThru, setGet)
-{
-    midi.turnThruOff();
-    EXPECT_EQ(midi.getThruState(),  false);
-
-    midi.turnThruOn();
-    EXPECT_EQ(midi.getThruState(),  true);
-}
-
 TEST(MidiThru, off)
 {
     midi.begin(MIDI_CHANNEL_OMNI);