/**
 * \file FormMathsPanel.C
 * This file is part of LyX, the document processor.
 * Licence details can be found in the file COPYING.
 *
 * \author Alejandro Aguilar Sierra
 * \author Pablo De Napoli
 * \author John Levon
 * \author Angus Leeming
 *
 * Full author contact details are available in file CREDITS
 */

#include <config.h>

#ifdef __GNUG__
#pragma implementation
#endif

#include "ControlMath.h"

#include "frontends/LyXView.h"
#include "FormMathsPanel.h"
#include "forms/form_maths_panel.h"
#include "funcrequest.h"

#include "forms/form_maths_deco.h"
#include "forms/form_maths_delim.h"
#include "forms/form_maths_matrix.h"
#include "forms/form_maths_space.h"
#include "forms/form_maths_style.h"

#include "FormMathsBitmap.h"
#include "FormMathsDeco.h"
#include "FormMathsDelim.h"
#include "FormMathsMatrix.h"
#include "FormMathsSpace.h"
#include "FormMathsStyle.h"

#include FORMS_H_LOCATION
#include <boost/bind.hpp>

#include "deco.xpm"
#include "delim.xpm"
#include "equation.xpm"
#include "frac.xpm"
#include "matrix.xpm"
#include "space.xpm"
#include "style.xpm"
#include "sqrt.xpm"
#include "sub.xpm"
#include "super.xpm"

#include "arrows.xbm"
#include "bop.xbm"
#include "brel.xbm"
#include "dots.xbm"
#include "greek.xbm"
#include "misc.xbm"
#include "varsz.xbm"

#include "ams_misc.xbm"
#include "ams_arrows.xbm"
#include "ams_rel.xbm"
#include "ams_nrel.xbm"
#include "ams_ops.xbm"


FormMathsPanel::FormMathsPanel(LyXView & lv, Dialogs & d)
	: FormBaseBD(lv, d, _("Maths Panel")),
	  active_(0), bc_(_("Close"))
{
	deco_.reset(  new FormMathsDeco(  lv, d, *this));
	delim_.reset( new FormMathsDelim( lv, d, *this));
	matrix_.reset(new FormMathsMatrix(lv, d, *this));
	space_.reset( new FormMathsSpace( lv, d, *this));
	style_.reset( new FormMathsStyle( lv, d, *this));

	typedef std::vector<string> StringVec;
	char const * const * begin = latex_arrow;
	char const * const * end   = begin + nr_latex_arrow;
	arrow_.reset(new FormMathsBitmap(lv, d, *this, _("Arrows"),
					 StringVec(begin, end)));

	begin = latex_bop;
	end   = begin + nr_latex_bop;
	boperator_.reset(new FormMathsBitmap(lv, d, *this, _("Binary Ops"),
					     StringVec(begin, end)));

	begin = latex_brel;
	end   = begin + nr_latex_brel;
	brelats_.reset(new FormMathsBitmap(lv, d, *this, _("Bin Relations"),
					   StringVec(begin, end)));

	begin = latex_greek;
	end   = begin + nr_latex_greek;
	greek_.reset(new FormMathsBitmap(lv, d, *this, _("Greek"),
					 StringVec(begin, end)));

	begin = latex_misc;
	end   = begin + nr_latex_misc;
	misc_.reset(new FormMathsBitmap(lv, d, *this, _("Misc"),
					StringVec(begin, end)));

	begin = latex_dots;
	end   = begin + nr_latex_dots;
	dots_.reset(new FormMathsBitmap(lv, d, *this, _("Dots"),
					StringVec(begin, end)));

	begin = latex_varsz;
	end   = begin + nr_latex_varsz;
	varsize_.reset(new FormMathsBitmap(lv, d, *this, _("Big Operators"),
					   StringVec(begin, end)));

	begin = latex_ams_misc;
	end   = begin + nr_latex_ams_misc;
	ams_misc_.reset(new FormMathsBitmap(lv, d, *this, _("AMS Misc"),
					    StringVec(begin, end)));

	begin = latex_ams_arrows;
	end   = begin + nr_latex_ams_arrows;
	ams_arrows_.reset(new FormMathsBitmap(lv, d, *this, _("AMS Arrows"),
					      StringVec(begin, end)));

	begin = latex_ams_rel;
	end   = begin + nr_latex_ams_rel;
	ams_rel_.reset(new FormMathsBitmap(lv, d, *this, _("AMS Relations"),
					   StringVec(begin, end)));

	begin = latex_ams_nrel;
	end   = begin + nr_latex_ams_nrel;
	ams_nrel_.reset(new FormMathsBitmap(lv, d, *this, _("AMS Negated Rel"),
					    StringVec(begin, end)));

	begin = latex_ams_ops;
	end   = begin + nr_latex_ams_ops;
	ams_ops_.reset(new FormMathsBitmap(lv, d, *this, _("AMS Operators"),
					   StringVec(begin, end)));
}


FL_FORM * FormMathsPanel::form() const
{
	return dialog_.get() ? dialog_->form : 0;
}


void FormMathsPanel::setActive(FormMathsSub * a) const
{
	active_ = a;
}


void FormMathsPanel::build()
{
	dialog_.reset(build_maths_panel(this));

	for (int i = 0; i < nr_function_names; ++i)
		fl_add_browser_line(dialog_->browser_funcs,
				    function_names[i]);

	fl_set_pixmap_data(dialog_->button_sqrt,
			   const_cast<char**>(sqrt_xpm));
	fl_set_pixmap_data(dialog_->button_frac,
			   const_cast<char**>(frac));
	fl_set_pixmap_data(dialog_->button_super,
			   const_cast<char**>(super_xpm));
	fl_set_pixmap_data(dialog_->button_sub,
			   const_cast<char**>(sub_xpm));
	fl_set_pixmap_data(dialog_->button_delim,
			   const_cast<char**>(delim));
	fl_set_pixmap_data(dialog_->button_deco,
			   const_cast<char**>(deco));
	fl_set_pixmap_data(dialog_->button_space,
			   const_cast<char**>(space_xpm));
	fl_set_pixmap_data(dialog_->button_style,
			   const_cast<char**>(style_xpm));
	fl_set_pixmap_data(dialog_->button_matrix,
			   const_cast<char**>(matrix));
	fl_set_pixmap_data(dialog_->button_equation,
			   const_cast<char**>(equation));

	arrow_->addBitmap(20, 5, 4, arrow_width,  arrow_height,  arrow_bits);
	arrow_->addBitmap(7,  2, 4, larrow_width, larrow_height, larrow_bits,
			  false);
	arrow_->addBitmap(4,  2, 2, darrow_width,  darrow_height, darrow_bits);

	boperator_->addBitmap(31, 4, 8, bop_width, bop_height, bop_bits);

	brelats_->addBitmap(35, 4, 9, brel_width, brel_height, brel_bits);

	greek_->addBitmap(11, 6, 2, Greek_width, Greek_height, Greek_bits);
	greek_->addBitmap(28, 7, 4, greek_width, greek_height, greek_bits);

	misc_->addBitmap(29, 5, 6, misc_width, misc_height, misc_bits);
	misc_->addBitmap(5, 5, 1, misc4_width, misc4_height, misc4_bits);
	misc_->addBitmap(6, 3, 2, misc2_width, misc2_height, misc2_bits, false);
	misc_->addBitmap(4, 2, 2, misc3_width, misc3_height, misc3_bits);

	dots_->addBitmap(4, 4, 1, dots_width, dots_height, dots_bits);

	varsize_->addBitmap(14, 3, 5, varsz_width, varsz_height, varsz_bits);

	ams_misc_->addBitmap(9, 5, 2, ams1_width, ams1_height, ams1_bits);
	ams_misc_->addBitmap(26, 3, 9, ams7_width, ams7_height, ams7_bits);

	ams_arrows_->addBitmap(32, 3, 11, ams2_width, ams2_height, ams2_bits);
	ams_arrows_->addBitmap(6, 3, 2, ams3_width, ams3_height, ams3_bits);

	ams_rel_->addBitmap(66, 6, 11, ams_rel_width, ams_rel_height, ams_rel_bits);

	ams_nrel_->addBitmap(51, 6, 9, ams_nrel_width, ams_nrel_height, ams_nrel_bits);

	ams_ops_->addBitmap(23, 3, 8, ams_ops_width, ams_ops_height, ams_ops_bits);

	bc().setCancel(dialog_->button_close);
}


bool FormMathsPanel::input(FL_OBJECT * ob, long)
{
	if (ob == dialog_->button_greek) {
		if (active_ && active_ != greek_.get())
			active_->hide();
		greek_->show();

	} else if (ob == dialog_->button_arrow) {
		if (active_ && active_ != arrow_.get())
			active_->hide();
		arrow_->show();

	} else if (ob == dialog_->button_boperator) {
		if (active_ && active_ != boperator_.get())
			active_->hide();
		boperator_->show();

	} else if (ob == dialog_->button_brelats) {
		if (active_ && active_ != brelats_.get())
			active_->hide();
		brelats_->show();

	} else if (ob == dialog_->button_misc) {
		if (active_ && active_ != misc_.get())
			active_->hide();
		misc_->show();

	} else if (ob == dialog_->button_dots) {
		if (active_ && active_ != dots_.get())
			active_->hide();
		dots_->show();

	} else if (ob == dialog_->button_varsize) {
		if (active_ && active_ != varsize_.get())
			active_->hide();
		varsize_->show();

	} else if (ob == dialog_->button_ams_misc) {
		if (active_ && active_ != ams_misc_.get())
			active_->hide();
		ams_misc_->show();

	} else if (ob == dialog_->button_ams_arrows) {
		if (active_ && active_ != ams_arrows_.get())
			active_->hide();
		ams_arrows_->show();

	} else if (ob == dialog_->button_ams_brel) {
		if (active_ && active_ != ams_rel_.get())
			active_->hide();
		ams_rel_->show();

	} else if (ob == dialog_->button_ams_nrel) {
		if (active_ && active_ != ams_nrel_.get())
			active_->hide();
		ams_nrel_->show();

	} else if (ob == dialog_->button_ams_ops) {
		if (active_ && active_ != ams_ops_.get())
			active_->hide();
		ams_ops_->show();

	} else if (ob == dialog_->button_frac) {
		insertSymbol("frac");

	} else if (ob == dialog_->button_sqrt) {
		insertSymbol("sqrt");

	} else if (ob == dialog_->button_super) {
		lv_.dispatch(FuncRequest(LFUN_SUPERSCRIPT));

	} else if (ob == dialog_->button_sub) {
		lv_.dispatch(FuncRequest(LFUN_SUBSCRIPT));

//  	} else if (ob == dialog_->???) {
//  		lv_.dispatch(FuncRequest(LFUN_SUBSCRIPT));
//  		lv_.dispatch(FuncRequest(LFUN_LEFT));
//  		lv_.dispatch(FuncRequest(LFUN_SUPERSCRIPT));

	} else if (ob == dialog_->button_delim) {
		if (active_ && active_ != delim_.get())
			active_->hide();
		delim_->show();

	} else if (ob == dialog_->button_matrix) {
		if (active_ && active_ != matrix_.get())
			active_->hide();
		matrix_->show();

	} else if (ob == dialog_->button_deco) {
		if (active_ && active_ != deco_.get())
			active_->hide();
		deco_->show();

	} else if (ob == dialog_->button_space) {
		if (active_ && active_ != space_.get())
			active_->hide();
		space_->show();

	} else if (ob == dialog_->button_style) {
		if (active_ && active_ != style_.get())
			active_->hide();
		style_->show();

	} else if (ob == dialog_->button_equation) {
		mathDisplay();

	} else if (ob == dialog_->browser_funcs) {
		int const i = fl_get_browser(dialog_->browser_funcs) - 1;
		insertSymbol(function_names[i]);
	}

	return true;
}


void FormMathsPanel::insertSymbol(string const & sym, bool bs) const
{
	if (bs)
		lv_.dispatch(FuncRequest(LFUN_INSERT_MATH, '\\' + sym));
	else
		lv_.dispatch(FuncRequest(LFUN_INSERT_MATH, sym));
}


void FormMathsPanel::dispatchFunc(kb_action action) const
{
	lv_.dispatch(FuncRequest(action));
}


void FormMathsPanel::mathDisplay() const
{
	lv_.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
}



FormMathsSub::FormMathsSub(LyXView & lv, Dialogs & d, FormMathsPanel const & p,
			   string const & t, bool allowResize)
	: FormBaseBD(lv, d, t, allowResize), parent_(p), bc_(_("Close"))
{}


void FormMathsSub::connect()
{
	parent_.setActive(this);
	FormBaseBD::connect();
}


void FormMathsSub::disconnect()
{
	parent_.setActive(0);
	FormBaseBD::disconnect();
}