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/* Copyright (c) 1998, 1999, 2003, 2004 Lance Arsenault, (GNU GPL (v2+))
*/
#include "config.h"
#include <string.h>
#include <stdlib.h>
#include <list>
#ifdef QP_ARCH_DARWIN
# include <limits.h>
# include <float.h>
#else
# include <values.h>
#endif
#include <gtkmm.h>
#ifdef USE_LIBSNDFILE
# include <sndfile.h>
#endif
using namespace Gtk;
#include "value_t.h"
#include "Field.h"
#include "FieldReader.h"
#include "Plot.h"
#include "ColorGen.h"
#include "Graph.h"
#include "PlotSelector.h"
#include "ValueSlider.h"
#include "PlotLister.h"
#include "PlotConfig.h"
#include "GraphConfig.h"
#include "MainMenuBar.h"
#include "ButtonBar.h"
#include "StatusBar.h"
#include "MainWindow.h"
#include "App.h"
#include "Globel.h"
FieldReader::FieldReader(Field *f) :
Field(f->source)
{
field = f;
next = NULL;
// add this object to the list of FieldReaders in the object field.
if(field->fieldReader)
{
FieldReader *f = field->fieldReader;
while(f->next) f = f->next;
// f is the last in the list.
f->next = this;
}
else // this is the first in the list
field->fieldReader = this;
dequeuer = field->makeDequeuer(field->numberOfValues());
}
FieldReader::~FieldReader(void)
{
// Remove this from the Field::fieldReader list.
FieldReader *prev=NULL, *f=field->fieldReader;
while(f)
{
if(this == f)
{
if(prev)
prev->next = next;
else // this == field->fieldReader
field->fieldReader = next;
break;
}
prev = f;
f = f->next;
}
field->destroyDequeuer(dequeuer);
}
void *FieldReader::makeDequeuer(count_t NumberOfValues)
{
return field->makeDequeuer(NumberOfValues);
}
void FieldReader::destroyDequeuer(void *dequeuer)
{
field->destroyDequeuer(dequeuer);
}
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