ardour/livetrax
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disconnect from a Controllable when it is destroyed

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git-svn-id: svn://localhost/ardour2/branches/3.0@12938 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2012-06-26 01:55:53 +00:00
parent 06ad59e936
commit a054a74dd2
2 changed files with 17 additions and 2 deletions
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15
libs/surfaces/generic_midi/midicontrollable.cc
View File

@ -30,6 +30,7 @@
#include "midi++/channel.h"
#include "ardour/automation_control.h"
#include "ardour/midi_ui.h"
#include "ardour/utils.h"
#include "midicontrollable.h"
@ -76,7 +77,7 @@ MIDIControllable::MIDIControllable (GenericMidiControlProtocol* s, Port& p, Cont
MIDIControllable::~MIDIControllable ()
{
drop_external_control ();
drop_controllable ();
}
int
@ -111,6 +112,7 @@ MIDIControllable::drop_external_control ()
void
MIDIControllable::set_controllable (Controllable* c)
{
drop_controllable ();
controllable = c;
}
@ -198,10 +200,21 @@ MIDIControllable::lookup_controllable()
}
controllable = c.get();
controllable->Destroyed.connect (controllable_death_connection, MISSING_INVALIDATOR,
boost::bind (&MIDIControllable::drop_controllable, this),
MidiControlUI::instance());
return 0;
}
void
MIDIControllable::drop_controllable ()
{
drop_external_control ();
controllable_death_connection.disconnect ();
controllable = 0;
}
void
MIDIControllable::midi_sense_note (Parser &, EventTwoBytes *msg, bool /*is_on*/)
{

4
libs/surfaces/generic_midi/midicontrollable.h
View File

@ -107,6 +107,7 @@ class MIDIControllable : public PBD::Stateful
int midi_msg_id; /* controller ID or note number */
PBD::ScopedConnection midi_sense_connection[2];
PBD::ScopedConnection midi_learn_connection;
PBD::ScopedConnection controllable_death_connection;
/** the type of MIDI message that is used for this control */
MIDI::eventType control_type;
MIDI::byte control_additional;
@ -118,7 +119,8 @@ class MIDIControllable : public PBD::Stateful
bool _bank_relative;
int lookup_controllable();
void drop_controllable();
void midi_receiver (MIDI::Parser &p, MIDI::byte *, size_t);
void midi_sense_note (MIDI::Parser &, MIDI::EventTwoBytes *, bool is_on);
void midi_sense_note_on (MIDI::Parser &p, MIDI::EventTwoBytes *tb);