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/*
winFLTK.c: graphs using FLTK library
Copyright (C) 2002 John ffitch
This file is part of Csound.
The Csound Library is free software; you can redistribute it
and/or modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Csound 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with Csound; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA
*/
/* winFLTK.c */
/* Csound FLTK/X graphs */
/* jpff,06Oct02 */
#include "csdl.h"
#include <stdio.h>
#include "cwindow.h"
#ifdef LINUX
#include <X11/Xlib.h>
#endif
#include "winFLTK.h"
static void MakeGraph_FLTK(CSOUND *csound, WINDAT *wdptr, const char *name)
{
wdptr->windid = MakeWindow_FLTK(csound,(char*)name);
}
static void KillGraph_FLTK(CSOUND *csound, WINDAT *wdptr)
{
kill_graph(csound, wdptr->windid);
}
static int dummyWidgetOpcode(CSOUND *csound, void *p)
{
const char *opname;
opname = csound->GetOpcodeName(p);
csound->Die(csound, Str("%s: widget opcodes have been disabled by "
"the host application"), opname);
return NOTOK;
}
PUBLIC int csoundModuleCreate(CSOUND *csound)
{
(void)csound;
return 0;
}
PUBLIC int csoundModuleInit(CSOUND *csound)
{
const OENTRY *ep = &(widgetOpcodes_[0]);
int initFlags = 0;
int *fltkFlags;
int enableDisplays = 0;
OPARMS oparms;
csound->GetOParms(csound, &oparms);
if (csound->QueryGlobalVariable(csound,
"FLTK_Flags") == (void*) 0) {
if (UNLIKELY(csound->CreateGlobalVariable(csound,
"FLTK_Flags", sizeof(int)) != 0))
csound->Die(csound, "%s",
Str("widgets.cpp: error allocating FLTK flags"));
initFlags = 1;
}
fltkFlags = getFLTKFlagsPtr(csound);
if (((*fltkFlags) & 2) == 0 &&
!(oparms.graphsoff || oparms.postscript)) {
#ifdef LINUX
Display *dpy = XOpenDisplay(NULL);
if (dpy != NULL) {
XCloseDisplay(dpy);
#endif
if (csound->SetIsGraphable(csound, 1) == 0) {
enableDisplays = 1;
(*fltkFlags) |= 64;
if (!((*fltkFlags) & 256))
csound->SetInternalYieldCallback(csound, CsoundYield_FLTK);
flgraph_init(csound); /* Create space */
csound->SetMakeGraphCallback(csound, MakeGraph_FLTK);
csound->SetDrawGraphCallback(csound, DrawGraph_FLTK);
csound->SetKillGraphCallback(csound, KillGraph_FLTK);
csound->SetExitGraphCallback(csound, ExitGraph_FLTK);
/* seemed to crash, but not anymore... */
csound->RegisterResetCallback(csound, NULL, widget_reset);
csound->Message(csound, "graph init...\n");
}
#ifdef LINUX
}
#endif
}
if (initFlags) {
#ifndef __MACH__
if (enableDisplays)
#endif
(*fltkFlags) |= 28;
}
if (!((*fltkFlags) & 129))
for ( ; ep->opname != NULL; ep++) {
if (csound->AppendOpcode(csound, ep->opname,
(int)ep->dsblksiz, (int)ep->flags, (int)ep->thread,
ep->outypes, ep->intypes,
ep->iopadr, ep->kopadr, ep->aopadr) != 0) {
csound->ErrorMsg(csound, Str("Error registering opcode '%s'"),
ep->opname);
return -1;
}
}
else if (!((*fltkFlags) & 128)) {
for ( ; ep->opname != NULL; ep++) {
if (csound->AppendOpcode(
csound, ep->opname, (int)ep->dsblksiz,
(int)ep->flags,(int)ep->thread,
ep->outypes, ep->intypes,
(((int)ep->thread & 1) ? dummyWidgetOpcode : (SUBR) 0),
(((int)ep->thread & 2) ? dummyWidgetOpcode : (SUBR) 0),
(((int)ep->thread & 4) ? dummyWidgetOpcode : (SUBR) 0)) != 0) {
csound->ErrorMsg(csound, Str("Error registering opcode '%s'"),
ep->opname);
return -1;
}
}
}
widget_init(csound);
return 0;
}
PUBLIC int csoundModuleInfo(void)
{
return ((CS_APIVERSION << 16) + (CS_APISUBVER << 8) + (int)sizeof(MYFLT));
}
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