src/plugins/InstrumentEditor.cpp

/***************************************************************************
 *                                                                         *
 *   Copyright (C) 2007, 2008 Christian Schoenebeck                        *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#include "InstrumentEditor.h"

#include "../common/global_private.h"
#include "../common/atomic.h"

#include <algorithm>
#include <functional>

#define MIDI_KEYS       128

struct _private_data_t {
    atomic_t notesChanged; // whether some key changed at all
    atomic_t pNoteChanged[MIDI_KEYS]; // which key(s) changed
    atomic_t pNoteIsActive[MIDI_KEYS]; // status of each key (either active or inactive)
};

namespace LinuxSampler {

    InstrumentEditor::InstrumentEditor() : Thread(false, false, -1, 0) {
        pInstrument = NULL;
        _private_data_t* p = new _private_data_t;
        pPrivateData = p;
        atomic_t zero = ATOMIC_INIT(0);
        p->notesChanged = zero;
        for (int i = 0; i < MIDI_KEYS; i++) {
            p->pNoteChanged[i]  = zero;
            p->pNoteIsActive[i] = zero;
        }
    }

    InstrumentEditor::~InstrumentEditor() {
        if (pPrivateData) delete (_private_data_t*)pPrivateData;
    }

    void InstrumentEditor::Launch(void* pInstrument, String sTypeName, String sTypeVersion) {
        dmsg(1,("InstrumentEditor::Launch(instr=%x,type=%s,version=%s)\n", pInstrument, sTypeName.c_str(), sTypeVersion.c_str()));
        // prepare the editor's mandatory parameters
        this->pInstrument  = pInstrument;
        this->sTypeName    = sTypeName;
        this->sTypeVersion = sTypeVersion;
        // start the editor in its own thread
        StartThread();
    }

    int InstrumentEditor::Main() {
        dmsg(1,("InstrumentEditor::Main()\n"));
        // run the editor's main loop
        int iResult = Main(pInstrument, sTypeName, sTypeVersion);
        // reset editor parameters
        this->pInstrument  = NULL;
        this->sTypeName    = "";
        this->sTypeVersion = "";
        dmsg(1,("Instrument editor '%s' returned with exit status %d\n", Name().c_str(), iResult));
        // notify all registered listeners
        std::for_each(
            listeners.begin(), listeners.end(),
            std::bind2nd(std::mem_fun(&InstrumentEditorListener::OnInstrumentEditorQuit), this)
        );
        // done
        return iResult;
    }

    void InstrumentEditor::SendNoteOnToEditor(uint8_t Key, uint8_t /*Velocity*/) {
        if (Key >= MIDI_KEYS) return;
        _private_data_t* p = (_private_data_t*)pPrivateData;
        atomic_inc( &(p->pNoteIsActive)[Key] );
        atomic_inc( &(p->pNoteChanged)[Key] );
        atomic_inc( &p->notesChanged );
    }

    void InstrumentEditor::SendNoteOffToEditor(uint8_t Key, uint8_t /*Velocity*/) {
        if (Key >= MIDI_KEYS) return;
        _private_data_t* p = (_private_data_t*)pPrivateData;
        atomic_dec( &(p->pNoteIsActive)[Key] );
        atomic_inc( &(p->pNoteChanged)[Key] );
        atomic_inc( &p->notesChanged );
    }

    bool InstrumentEditor::NotesChanged() {
        _private_data_t* p = (_private_data_t*)pPrivateData;
        int c = atomic_read( &p->notesChanged );
        atomic_sub(c, &p->notesChanged );
        return c;
    }

    bool InstrumentEditor::NoteChanged(uint8_t Key) {
        _private_data_t* p = (_private_data_t*)pPrivateData;
        int c = atomic_read( &(p->pNoteChanged)[Key] );
        atomic_sub(c, &(p->pNoteChanged)[Key] );
        return c;
    }

    bool InstrumentEditor::NoteIsActive(uint8_t Key) {
        _private_data_t* p = (_private_data_t*)pPrivateData;
        return atomic_read( &(p->pNoteIsActive)[Key] );
    }

    void InstrumentEditor::AddListener(InstrumentEditorListener* pListener) {
        listeners.insert(pListener);
    }

    void InstrumentEditor::RemoveListener(InstrumentEditorListener* pListener) {
        listeners.erase(pListener);
    }

    void InstrumentEditor::NotifySamplesToBeRemoved(std::set<void*> Samples) {
        for ( // notify all registered listeners
            std::set<InstrumentEditorListener*>::iterator iter = listeners.begin();
            iter != listeners.end(); iter++
        ) (*iter)->OnSamplesToBeRemoved(Samples, this);
    }

    void InstrumentEditor::NotifySamplesRemoved() {
        for ( // notify all registered listeners
            std::set<InstrumentEditorListener*>::iterator iter = listeners.begin();
            iter != listeners.end(); iter++
        ) (*iter)->OnSamplesRemoved(this);
    }

    void InstrumentEditor::NotifyDataStructureToBeChanged(void* pStruct, String sStructType) {
        for ( // notify all registered listeners
            std::set<InstrumentEditorListener*>::iterator iter = listeners.begin();
            iter != listeners.end(); iter++
        ) (*iter)->OnDataStructureToBeChanged(pStruct, sStructType, this);
    }

    void InstrumentEditor::NotifyDataStructureChanged(void* pStruct, String sStructType) {
        for ( // notify all registered listeners
            std::set<InstrumentEditorListener*>::iterator iter = listeners.begin();
            iter != listeners.end(); iter++
        ) (*iter)->OnDataStructureChanged(pStruct, sStructType, this);
    }

    void InstrumentEditor::NotifySampleReferenceChanged(void* pOldSample, void* pNewSample) {
        for ( // notify all registered listeners
            std::set<InstrumentEditorListener*>::iterator iter = listeners.begin();
            iter != listeners.end(); iter++
        ) (*iter)->OnSampleReferenceChanged(pOldSample, pNewSample, this);
    }

} // namespace LinuxSampler
1	/***************************************************************************
2	* *
3	* Copyright (C) 2007, 2008 Christian Schoenebeck *
4	* *
5	* This program is free software; you can redistribute it and/or modify *
6	* it under the terms of the GNU General Public License as published by *
7	* the Free Software Foundation; either version 2 of the License, or *
8	* (at your option) any later version. *
9	* *
10	* This program is distributed in the hope that it will be useful, *
11	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13	* GNU General Public License for more details. *
14	* *
15	* You should have received a copy of the GNU General Public License *
16	* along with this program; if not, write to the Free Software *
17	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
18	* MA 02111-1307 USA *
19	***************************************************************************/
20
21	#include "InstrumentEditor.h"
22
23	#include "../common/global_private.h"
24	#include "../common/atomic.h"
25
26	#include <algorithm>
27	#include <functional>
28
29	#define MIDI_KEYS 128
30
31	struct _private_data_t {
32	atomic_t notesChanged; // whether some key changed at all
33	atomic_t pNoteChanged[MIDI_KEYS]; // which key(s) changed
34	atomic_t pNoteIsActive[MIDI_KEYS]; // status of each key (either active or inactive)
35	};
36
37	namespace LinuxSampler {
38
39	InstrumentEditor::InstrumentEditor() : Thread(false, false, -1, 0) {
40	pInstrument = NULL;
41	_private_data_t* p = new _private_data_t;
42	pPrivateData = p;
43	atomic_t zero = ATOMIC_INIT(0);
44	p->notesChanged = zero;
45	for (int i = 0; i < MIDI_KEYS; i++) {
46	p->pNoteChanged[i] = zero;
47	p->pNoteIsActive[i] = zero;
48	}
49	}
50
51	InstrumentEditor::~InstrumentEditor() {
52	if (pPrivateData) delete (_private_data_t*)pPrivateData;
53	}
54
55	void InstrumentEditor::Launch(void* pInstrument, String sTypeName, String sTypeVersion) {
56	dmsg(1,("InstrumentEditor::Launch(instr=%x,type=%s,version=%s)\n", pInstrument, sTypeName.c_str(), sTypeVersion.c_str()));
57	// prepare the editor's mandatory parameters
58	this->pInstrument = pInstrument;
59	this->sTypeName = sTypeName;
60	this->sTypeVersion = sTypeVersion;
61	// start the editor in its own thread
62	StartThread();
63	}
64
65	int InstrumentEditor::Main() {
66	dmsg(1,("InstrumentEditor::Main()\n"));
67	// run the editor's main loop
68	int iResult = Main(pInstrument, sTypeName, sTypeVersion);
69	// reset editor parameters
70	this->pInstrument = NULL;
71	this->sTypeName = "";
72	this->sTypeVersion = "";
73	dmsg(1,("Instrument editor '%s' returned with exit status %d\n", Name().c_str(), iResult));
74	// notify all registered listeners
75	std::for_each(
76	listeners.begin(), listeners.end(),
77	std::bind2nd(std::mem_fun(&InstrumentEditorListener::OnInstrumentEditorQuit), this)
78	);
79	// done
80	return iResult;
81	}
82
83	void InstrumentEditor::SendNoteOnToEditor(uint8_t Key, uint8_t /Velocity/) {
84	if (Key >= MIDI_KEYS) return;
85	_private_data_t* p = (_private_data_t*)pPrivateData;
86	atomic_inc( &(p->pNoteIsActive)[Key] );
87	atomic_inc( &(p->pNoteChanged)[Key] );
88	atomic_inc( &p->notesChanged );
89	}
90
91	void InstrumentEditor::SendNoteOffToEditor(uint8_t Key, uint8_t /Velocity/) {
92	if (Key >= MIDI_KEYS) return;
93	_private_data_t* p = (_private_data_t*)pPrivateData;
94	atomic_dec( &(p->pNoteIsActive)[Key] );
95	atomic_inc( &(p->pNoteChanged)[Key] );
96	atomic_inc( &p->notesChanged );
97	}
98
99	bool InstrumentEditor::NotesChanged() {
100	_private_data_t* p = (_private_data_t*)pPrivateData;
101	int c = atomic_read( &p->notesChanged );
102	atomic_sub(c, &p->notesChanged );
103	return c;
104	}
105
106	bool InstrumentEditor::NoteChanged(uint8_t Key) {
107	_private_data_t* p = (_private_data_t*)pPrivateData;
108	int c = atomic_read( &(p->pNoteChanged)[Key] );
109	atomic_sub(c, &(p->pNoteChanged)[Key] );
110	return c;
111	}
112
113	bool InstrumentEditor::NoteIsActive(uint8_t Key) {
114	_private_data_t* p = (_private_data_t*)pPrivateData;
115	return atomic_read( &(p->pNoteIsActive)[Key] );
116	}
117
118	void InstrumentEditor::AddListener(InstrumentEditorListener* pListener) {
119	listeners.insert(pListener);
120	}
121
122	void InstrumentEditor::RemoveListener(InstrumentEditorListener* pListener) {
123	listeners.erase(pListener);
124	}
125
126	void InstrumentEditor::NotifySamplesToBeRemoved(std::set<void*> Samples) {
127	for ( // notify all registered listeners
128	std::set<InstrumentEditorListener*>::iterator iter = listeners.begin();
129	iter != listeners.end(); iter++
130	) (*iter)->OnSamplesToBeRemoved(Samples, this);
131	}
132
133	void InstrumentEditor::NotifySamplesRemoved() {
134	for ( // notify all registered listeners
135	std::set<InstrumentEditorListener*>::iterator iter = listeners.begin();
136	iter != listeners.end(); iter++
137	) (*iter)->OnSamplesRemoved(this);
138	}
139
140	void InstrumentEditor::NotifyDataStructureToBeChanged(void* pStruct, String sStructType) {
141	for ( // notify all registered listeners
142	std::set<InstrumentEditorListener*>::iterator iter = listeners.begin();
143	iter != listeners.end(); iter++
144	) (*iter)->OnDataStructureToBeChanged(pStruct, sStructType, this);
145	}
146
147	void InstrumentEditor::NotifyDataStructureChanged(void* pStruct, String sStructType) {
148	for ( // notify all registered listeners
149	std::set<InstrumentEditorListener*>::iterator iter = listeners.begin();
150	iter != listeners.end(); iter++
151	) (*iter)->OnDataStructureChanged(pStruct, sStructType, this);
152	}
153
154	void InstrumentEditor::NotifySampleReferenceChanged(void* pOldSample, void* pNewSample) {
155	for ( // notify all registered listeners
156	std::set<InstrumentEditorListener*>::iterator iter = listeners.begin();
157	iter != listeners.end(); iter++
158	) (*iter)->OnSampleReferenceChanged(pOldSample, pNewSample, this);
159	}
160
161	} // namespace LinuxSampler