/*  SpiralPlugin
 *  Copyleft (C) 2000 David Griffiths <dave@pawfal.org>
 *
 *  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 "OperatorPluginGUI.h"
#include <FL/fl_draw.h>
#include <FL/fl_draw.H>
#include <stdio.h>

////////////////////////////////////////////

OperatorPluginGUI::OperatorPluginGUI(int w, int h,OperatorPlugin *o,ChannelHandler *ch,const HostInfo *Info) :
SpiralPluginGUI(w,h,o,ch)
{	
	int KeyWidth=10,Note,Pos=0,Count=0;
	
	m_Add = new Fl_Button(5, 15, 15, 15,"+");
    m_Add->type(1);
	m_Add->value(1);
    m_Add->selection_color(Info->GUI_COLOUR);
 	m_Add->callback((Fl_Callback*)cb_Add);

	m_Sub = new Fl_Button(5, 30, 15, 15,"-");
    m_Sub->type(1);
    m_Sub->selection_color(Info->GUI_COLOUR);
	m_Sub->callback((Fl_Callback*)cb_Sub);
	
	m_Mul = new Fl_Button(5, 45, 15, 15,"*");
    m_Mul->type(1);
    m_Mul->selection_color(Info->GUI_COLOUR);
 	m_Mul->callback((Fl_Callback*)cb_Mul);
	
	m_Div = new Fl_Button(5, 60, 15, 15,"/");
    m_Div->type(1);
    m_Div->selection_color(Info->GUI_COLOUR);
	m_Div->callback((Fl_Callback*)cb_Div);
	
	m_Constant = new Fl_Input(25, 15, 50, 20, "Constant");
    m_Constant->color(Info->GUI_COLOUR);
    m_Constant->labelsize(8);
	m_Constant->align(FL_ALIGN_BOTTOM|FL_ALIGN_CENTER);
    m_Constant->textsize(10);
    m_Constant->value("0");
    m_Constant->when(FL_WHEN_ENTER_KEY);
	m_Constant->callback((Fl_Callback*)cb_Constant);
	
	end();
}



void OperatorPluginGUI::UpdateValues(SpiralPlugin *o)
{
	OperatorPlugin* Plugin = (OperatorPlugin*)o;
	m_Add->value(false);
	m_Sub->value(false);
	m_Mul->value(false);
	m_Div->value(false);
	switch (Plugin->GetOperator())
	{
		case OperatorPlugin::ADD : m_Add->value(true); break;
		case OperatorPlugin::SUB : m_Sub->value(true); break;
		case OperatorPlugin::MUL : m_Mul->value(true); break;
		case OperatorPlugin::DIV : m_Div->value(true); break;
	}
	char t[256];
	sprintf(t,"%f",Plugin->GetConstant());
	m_Constant->value(t);
}

//// Callbacks ////
inline void OperatorPluginGUI::cb_Add_i(Fl_Button* o, void* v)
{
	if (o->value())
	{
		m_Sub->value(false);
		m_Mul->value(false);
		m_Div->value(false);
		m_GUICH->Set("Operator",(int)OperatorPlugin::ADD);
	}
	else
	{
		o->value(true);
	}
}
void OperatorPluginGUI::cb_Add(Fl_Button* o, void* v)
{ ((OperatorPluginGUI*)(o->parent()))->cb_Add_i(o,v);}

inline void OperatorPluginGUI::cb_Sub_i(Fl_Button* o, void* v)
{
	if (o->value())
	{
		m_Add->value(false);
		m_Mul->value(false);
		m_Div->value(false);
		m_GUICH->Set("Operator",(int)OperatorPlugin::SUB);
	}
	else
	{
		o->value(true);
	}
}
void OperatorPluginGUI::cb_Sub(Fl_Button* o, void* v)
{ ((OperatorPluginGUI*)(o->parent()))->cb_Sub_i(o,v);}

inline void OperatorPluginGUI::cb_Mul_i(Fl_Button* o, void* v)
{
	if (o->value())
	{
		m_Add->value(false);
		m_Sub->value(false);
		m_Div->value(false);
		m_GUICH->Set("Operator",(int)OperatorPlugin::MUL);
	}
	else
	{
		o->value(true);
	}
}
void OperatorPluginGUI::cb_Mul(Fl_Button* o, void* v)
{ ((OperatorPluginGUI*)(o->parent()))->cb_Mul_i(o,v);}

inline void OperatorPluginGUI::cb_Div_i(Fl_Button* o, void* v)
{	
	if (o->value())
	{
		m_Add->value(false);
		m_Sub->value(false);
		m_Mul->value(false);
		m_GUICH->Set("Operator",(int)OperatorPlugin::DIV);
	}
	else
	{
		o->value(true);
	}
}
void OperatorPluginGUI::cb_Div(Fl_Button* o, void* v)
{ ((OperatorPluginGUI*)(o->parent()))->cb_Div_i(o,v);}

inline void OperatorPluginGUI::cb_Constant_i(Fl_Input* o, void* v)
{
	m_GUICH->Set("Constant",(float)strtod(o->value(),NULL));
}
void OperatorPluginGUI::cb_Constant(Fl_Input* o, void* v)
{ ((OperatorPluginGUI*)(o->parent()))->cb_Constant_i(o,v);}

const string OperatorPluginGUI::GetHelpText(const string &loc){
    return string("")
    + "Simply performs the operation on the input data,\n"
    + "if there is only one input, it uses the constant.";
}