1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
|
/*
flext - C++ layer for Max/MSP and pd (pure data) externals
Copyright (c) 2001-2005 Thomas Grill (gr@grrrr.org)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
*/
/*! \file flext.cpp
\brief Implementation of the flext base class.
*/
#include "flext.h"
#include "flinternal.h"
#include "fldsp.h"
#include <string.h>
// === flext_base ============================================
bool flext_base::compatibility = true;
const t_symbol *flext_base::curtag = NULL;
flext_base::FLEXT_CLASSDEF(flext_base)()
: incnt(0),outcnt(0)
, insigs(0),outsigs(0)
#if FLEXT_SYS == FLEXT_SYS_PD || FLEXT_SYS == FLEXT_SYS_MAX
,outlets(NULL),inlets(NULL)
#endif
#if FLEXT_SYS == FLEXT_SYS_MAX
,indesc(NULL),outdesc(NULL)
#endif
{
FLEXT_LOG1("%s - flext logging is on",thisName());
methhead = NULL;
bindhead = NULL;
if(HasAttributes()) {
// initialize when attribute processing is enabled
attrhead = new ItemCont;
attrdata = new AttrDataCont;
}
else {
attrhead = NULL;
attrdata = NULL;
}
}
/*! This virtual function is called after the object has been created, that is,
after the constructor has been processed.
It creates the inlets and outlets and the message and attribute lists.
\note You can override it in your own class, but be sure to call it,
\note otherwise no inlets/outlets will be created
\note All inlet, outlets, method and attribute declarations must be made before a call to Init!
\remark Creation of inlets/outlets can't be done upon declaration, as Max/MSP needs creation
\remark in reverse.
*/
bool flext_base::Init()
{
bool ok = flext_obj::Init();
if(ok) ok = InitInlets() && InitOutlets();
if(ok) {
#if FLEXT_SYS == FLEXT_SYS_MAX
// according to the Max/MSP SDK this should be prior to any inlet creation, BUT
// that doesn't seem to be true... multiple signal ins and additional inlets don't seem to work then
if(NeedDSP()) dsp_setup(thisHdr(),CntInSig()); // signal inlets
#endif
if(HasAttributes() && m_holdaargc && m_holdaargv) {
// initialize creation attributes
ok = InitAttrib(m_holdaargc,m_holdaargv);
}
}
return ok;
}
/*! This virtual function is called before the destructor.
We do this because here we can still call virtual methods.
*/
void flext_base::Exit()
{
#if FLEXT_SYS == FLEXT_SYS_MAX
// according to David Z. one should do that first...
if(NeedDSP()) dsp_free(thisHdr());
#endif
#if FLEXT_SYS == FLEXT_SYS_PD && !defined(FLEXT_NOATTREDIT)
// attribute editor window may still be open -> close it
gfxstub_deleteforkey(thisHdr());
#endif
#ifdef FLEXT_THREADS
StopThreads();
#endif
// send remaining pending messages for this object
QFlush(this);
// delete message lists
if(bindhead) delete bindhead; // ATTENTION: the object must free all memory associated to bindings itself
if(methhead) delete methhead;
if(attrhead) delete attrhead;
if(attrdata) delete attrdata;
#if FLEXT_SYS == FLEXT_SYS_PD || FLEXT_SYS == FLEXT_SYS_MAX
if(outlets) delete[] outlets;
if(inlets) {
FLEXT_ASSERT(incnt > 1);
for(int ix = 1; ix < incnt; ++ix)
if(inlets[ix-1]) {
// release proxy object
#if FLEXT_SYS == FLEXT_SYS_PD
pd_free(&inlets[ix-1]->obj.ob_pd);
#elif FLEXT_SYS == FLEXT_SYS_MAX
freeobject((object *)inlets[ix-1]);
#endif
}
delete[] inlets;
}
#endif
#if FLEXT_SYS == FLEXT_SYS_MAX
if(indesc) {
for(int i = 0; i < incnt; ++i) if(indesc[i]) delete[] indesc[i];
delete[] indesc;
}
if(outdesc) {
for(int i = 0; i < outcnt; ++i) if(outdesc[i]) delete[] outdesc[i];
delete[] outdesc;
}
#endif
flext_obj::Exit();
}
void flext_base::AddMessageMethods(t_class *c)
{
add_loadbang(c,cb_loadbang);
#if FLEXT_SYS == FLEXT_SYS_PD
class_addmethod(c,(t_method)cb_click,gensym("click"),A_FLOAT,A_FLOAT,A_FLOAT,A_FLOAT,A_FLOAT,A_NULL);
#elif FLEXT_SYS == FLEXT_SYS_MAX
add_assist(c,cb_assist);
add_dblclick(c,cb_click);
#else
#pragma message ("no implementation of loadbang or assist")
#endif
SetProxies(c);
StartQueue();
}
void flext_base::AddSignalMethods(t_class *c)
{
#if FLEXT_SYS == FLEXT_SYS_MAX
add_dsp(c,cb_dsp);
dsp_initclass();
#elif FLEXT_SYS == FLEXT_SYS_PD
CLASS_MAINSIGNALIN(c,flext_hdr,defsig); // float messages going into the left inlet are converted to signal
add_dsp(c,cb_dsp);
#else
#error Platform not supported!
#endif
}
/*! Set up proxy classes and basic methods at class creation time
This ensures that they are processed before the registered flext messages
*/
void flext_base::Setup(t_classid id)
{
t_class *c = getClass(id);
#if FLEXT_SYS == FLEXT_SYS_MAX
if(!IsLib(id))
#endif
AddMessageMethods(c);
if(process_attributes) {
AddMethod(id,0,"getattributes",cb_ListAttrib);
AddMethod(id,0,"getmethods",cb_ListMethods);
#if FLEXT_SYS == FLEXT_SYS_PD && !defined(FLEXT_NOATTREDIT)
AddMethod(id,0,"attributedialog",cb_AttrDialog);
#endif
}
#if FLEXT_SYS == FLEXT_SYS_PD
SetGfx(id);
#endif
}
void flext_base::cb_loadbang(flext_hdr *c) { thisObject(c)->CbLoadbang(); }
void flext_base::m_loadbang() {}
void flext_base::CbLoadbang() { m_loadbang(); }
void flext_base::CbClick() {}
#if FLEXT_SYS == FLEXT_SYS_PD
void flext_base::cb_click(flext_hdr *c,t_floatarg xpos,t_floatarg ypos,t_floatarg shift,t_floatarg ctrl,t_floatarg alt)
{
if(shift) thisObject(c)->CbClick();
}
#endif
#if FLEXT_SYS == FLEXT_SYS_MAX
void flext_base::cb_click(flext_hdr *c, Point pt, short mods)
{
thisObject(c)->CbClick();
}
void flext_base::cb_assist(flext_hdr *c,void * /*b*/,long msg,long arg,char *s)
{
flext_base *th = thisObject(c);
switch(msg) {
case 1: //ASSIST_INLET:
if(arg < th->incnt && th->indesc[arg]) strcpy(s,th->indesc[arg]);
break;
case 2: //ASSIST_OUTLET:
if(arg < th->outcnt) {
if(th->outdesc[arg]) strcpy(s,th->outdesc[arg]);
}
else
if(arg == th->outcnt && th->HasAttributes()) strcpy(s,"Attributes");
break;
}
}
#endif
#if FLEXT_SYS == FLEXT_SYS_MAX
void flext_base::cb_dsp(flext_hdr *c,t_signal **sp,short *count)
#else
void flext_base::cb_dsp(flext_hdr *c,t_signal **sp)
#endif
{
flext_base *bobj = thisObject(c);
#if FLEXT_SYS == FLEXT_SYS_MAX
// we must extra-check here if it is really a DSP object
// obviously, for objects that are part of a library, one dsp_initclass enables DSP for all
if(!bobj->IsDSP()) return;
#endif
flext_dsp *obj;
#ifdef FLEXT_DEBUG
obj = dynamic_cast<flext_dsp *>(bobj);
#else
obj = static_cast<flext_dsp *>(bobj);
#endif
FLEXT_ASSERT(obj);
obj->SetupDsp(sp);
}
|
