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This commit is contained in:
Paul Davis 2017-01-21 18:20:04 +00:00
parent 50b25571bc
commit 7daf620a8d
1 changed files with 14 additions and 0 deletions
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14
libs/surfaces/generic_midi/generic_midi_control_protocol.cc
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@ -341,6 +341,10 @@ GenericMidiControlProtocol::start_learning (Controllable* c)
Glib::Threads::Mutex::Lock lm2 (controllables_lock); Glib::Threads::Mutex::Lock lm2 (controllables_lock);
DEBUG_TRACE (DEBUG::GenericMidi, string_compose ("Learn binding: Controlable number: %1\n", c)); DEBUG_TRACE (DEBUG::GenericMidi, string_compose ("Learn binding: Controlable number: %1\n", c));
/* drop any existing mappings for the same controllable for which
* learning has just started.
*/
MIDIControllables::iterator tmp; MIDIControllables::iterator tmp;
for (MIDIControllables::iterator i = controllables.begin(); i != controllables.end(); ) { for (MIDIControllables::iterator i = controllables.begin(); i != controllables.end(); ) {
tmp = i; tmp = i;
@ -352,6 +356,10 @@ GenericMidiControlProtocol::start_learning (Controllable* c)
i = tmp; i = tmp;
} }
/* check pending controllables (those for which a learn is underway) to
* see if it is for the same one for which learning has just started.
*/
{ {
Glib::Threads::Mutex::Lock lm (pending_lock); Glib::Threads::Mutex::Lock lm (pending_lock);
@ -386,6 +394,8 @@ GenericMidiControlProtocol::start_learning (Controllable* c)
own_mc = true; own_mc = true;
} }
/* stuff the new controllable into pending */
{ {
Glib::Threads::Mutex::Lock lm (pending_lock); Glib::Threads::Mutex::Lock lm (pending_lock);
@ -419,6 +429,10 @@ GenericMidiControlProtocol::learning_stopped (MIDIControllable* mc)
i = tmp; i = tmp;
} }
/* add the controllable for which learning stopped to our list of
* controllables
*/
controllables.push_back (mc); controllables.push_back (mc);
} }