/*
* File: formula.h
* Purpose: Implementation of formula inset
* Author: Alejandro Aguilar Sierra <[email protected]>
* Created: January 1996
* Description: Allows the edition of math paragraphs inside Lyx.
*
* Copyright: (c) 1996, 1997 Alejandro Aguilar Sierra
*
* Version: 0.4, Lyx project.
*
* You are free to use and modify this code under the terms of
* the GNU General Public Licence version 2 or later.
*/
#include <config.h>
#include <stdlib.h>
#ifdef __GNUG__
#pragma implementation "formulamacro.h"
#endif
#include "formulamacro.h"
#include "commandtags.h"
#include "math_cursor.h"
#include "math_parser.h"
#include "math_macro.h"
#include "lyx_main.h"
#include "bufferlist.h"
#include "lyx_cb.h"
#include "BufferView.h"
#include "lyxscreen.h"
#include "lyxdraw.h"
#include "gettext.h"
InsetFormulaMacro::InsetFormulaMacro():
InsetFormula(true)
{
tmacro = 0;
opened = false;
}
InsetFormulaMacro::InsetFormulaMacro(LString nm, int na, bool /*e*/):
InsetFormula(true), name(nm)
{
tmacro = MathMacroTable::mathMTable.getTemplate(name.c_str());
if (!tmacro) {
tmacro = new MathMacroTemplate(name.c_str(), na);
MathMacroTable::mathMTable.addTemplate(tmacro);
}
opened = false;
}
InsetFormulaMacro::~InsetFormulaMacro()
{
par = 0;
}
Inset* InsetFormulaMacro::Clone()
{
InsetFormulaMacro* f = new InsetFormulaMacro(name);
return (Inset*)f;
}
void InsetFormulaMacro::Write(FILE *file)
{
fprintf(file, "FormulaMacro ");
Latex(file, 0);
}
int InsetFormulaMacro::Latex(FILE *file, signed char /*fragile*/)
{
int ret = 1;
tmacro->WriteDef(file);
return ret;
}
int InsetFormulaMacro::Latex(LString &file, signed char /*fragile*/)
{
int ret = 1;
tmacro->WriteDef(file);
return ret;
}
int InsetFormulaMacro::Linuxdoc(LString &/*file*/)
{
return 0;
}
void InsetFormulaMacro::Read(LyXLex &lex)
{
FILE *file = lex.getFile();
mathed_parser_file(file, lex.GetLineNo());
mathed_parse(0, 0, (MathParInset **)&tmacro);
// Update line number
lex.setLineNo(mathed_parser_lineno());
MathMacroTable::mathMTable.addTemplate(tmacro);
name = tmacro->GetName();
par = tmacro;
}
int InsetFormulaMacro::Ascent(LyXFont const &f) const
{
if (opened) {
tmacro->update();
return InsetFormula::Ascent(f);
}
return f.maxAscent()+3;
}
int InsetFormulaMacro::Descent(LyXFont const &f) const
{
if (opened) {
tmacro->update();
return InsetFormula::Descent(f);
}
return f.maxDescent()+1;
}
int InsetFormulaMacro::Width(LyXFont const &f) const
{
if (opened) {
tmacro->update();
return InsetFormula::Width(f);
}
LString ilabel(_("Macro: "));
ilabel += name;
return 6 + f.stringWidth(ilabel);
}
void InsetFormulaMacro::Draw(LyXFont font, LyXScreen &scr,
int baseline, float &x)
{
tmacro->update();
if (opened) {
tmacro->setEditMode(true);
InsetFormula::Draw(font, scr, baseline, x);
tmacro->setEditMode(false);
} else {
font.setColor(LyXFont::MATH);
int y=baseline - Ascent(font)+1;
int w=Width(font) - 2, h=(Ascent(font)+Descent(font)-2);
scr.fillRectangle(gc_lighted, int(x), y, w, h);
scr.drawFrame(FL_UP_FRAME, int(x), y, w, h, FL_BLACK, -1);
LString s(_("Macro: "));
s += name;
scr.drawString(font, s, baseline, int(x +2));
x += Width(font) - 1;
}
}
void InsetFormulaMacro::Edit(int x, int y)
{
opened = true;
par = (MathParInset*)tmacro->Clone();
InsetFormula::Edit(x, y);
}
void InsetFormulaMacro::InsetUnlock()
{
opened = false;
LyxArrayBase *tarray = tmacro->GetData();
MathedIter it(tarray);
it.Clear();
tmacro->SetData(par->GetData());
tmacro->setEditMode(false);
InsetFormula::InsetUnlock();
}
bool InsetFormulaMacro::LocalDispatch(int action, char const *arg)
{
if (action==LFUN_MATH_MACROARG) {
int i = atoi(arg) - 1;
if (i>=0 && i<tmacro->getNoArgs()) {
mathcursor->Insert(tmacro->getMacroPar(i), LM_TC_INSET);
InsetFormula::UpdateLocal();
}
return true;
}
tmacro->setEditMode(true);
tmacro->Metrics();
bool result = InsetFormula::LocalDispatch(action, arg);
tmacro->setEditMode(false);
return result;
}
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