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/*
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 <string.h>
// === flext_base ============================================
bool flext_base::compatibility = true;
bool flext_base::indsp = false;
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(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_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) {
for(int ix = 0; ix < incnt; ++ix)
if(inlets[ix]) {
// release proxy object
#if FLEXT_SYS == FLEXT_SYS_PD
pd_free(&inlets[ix]->obj.ob_pd);
#elif FLEXT_SYS == FLEXT_SYS_MAX
freeobject((object *)inlets[ix]);
#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();
}
/*! 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);
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
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
SetProxies(c);
StartQueue();
}
#if FLEXT_SYS != FLEXT_SYS_JMAX
void flext_base::cb_loadbang(t_class *c) { thisObject(c)->CbLoadbang(); }
#endif
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(t_gobj *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(t_class *c, Point pt, short mods)
{
thisObject(c)->CbClick();
}
void flext_base::cb_assist(t_class *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
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