src/mathed/InsetFormulaMacro.cpp

   1 /**
   2  * \file InsetFormulaMacro.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Alejandro Aguilar Sierra
   7  * \author André Pönitz
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "InsetFormulaMacro.h"
  15 #include "MacroTable.h"
  16 #include "MathMacroTemplate.h"
  17
  18 #include "BufferView.h"
  19 #include "Cursor.h"
  20 #include "support/debug.h"
  21 #include "support/gettext.h"
  22 #include "Lexer.h"
  23 #include "OutputParams.h"
  24
  25 #include "frontends/FontMetrics.h"
  26 #include "frontends/Painter.h"
  27
  28 #include "support/lstrings.h"
  29
  30 #include <sstream>
  31
  32 using namespace std;
  33 using namespace lyx::support;
  34
  35 namespace lyx {
  36
  37
  38 InsetFormulaMacro::InsetFormulaMacro()
  39         : InsetMathNest(2), name_(from_ascii("unknownA"))
  40 {}
  41
  42
  43 InsetFormulaMacro::InsetFormulaMacro
  44                 (docstring const & name, int nargs, docstring const & type)
  45         : InsetMathNest(2), name_(name)
  46 {
  47         MathMacroTable::create(MathAtom(new MathMacroTemplate(name, nargs, type)));
  48 }
  49
  50
  51 InsetFormulaMacro::InsetFormulaMacro(string const & s)
  52         : InsetMathNest(2), name_("unknownB")
  53 {
  54         istringstream is(s);
  55         read(is);
  56 }
  57
  58
  59 Inset * InsetFormulaMacro::clone() const
  60 {
  61         return new InsetFormulaMacro(*this);
  62 }
  63
  64
  65 void InsetFormulaMacro::write(ostream & os) const
  66 {
  67         os << "FormulaMacro\n";
  68         WriteStream wi(os, false, false, WriteStream::wsDefault);
  69         tmpl()->write(wi);
  70 }
  71
  72
  73 int InsetFormulaMacro::latex(odocstream & os,
  74                              OutputParams const & runparams) const
  75 {
  76         //lyxerr << "InsetFormulaMacro::latex" << endl;
  77         WriteStream wi(os, runparams.moving_arg, true,
  78                        runparams.dryrun ? WriteStream::wsDryrun: WriteStream::wsDefault,
  79                        runparams.encoding);
  80         tmpl()->write(wi);
  81         return 2;
  82 }
  83
  84
  85 int InsetFormulaMacro::plaintext(odocstream & os, OutputParams const & runparams) const
  86 {
  87         odocstringstream oss;
  88         WriteStream wi(oss, false, true, WriteStream::wsDefault, runparams.encoding);
  89         tmpl()->write(wi);
  90
  91         docstring const str = oss.str();
  92         os << str;
  93         return str.size();
  94 }
  95
  96
  97 int InsetFormulaMacro::docbook(ostream & os,
  98                                OutputParams const & runparams) const
  99 {
 100         return plaintext(os, runparams);
 101 }
 102
 103
 104 void InsetFormulaMacro::read(Lexer & lex)
 105 {
 106         read(lex.getStream());
 107 }
 108
 109
 110 void InsetFormulaMacro::read(istream & is)
 111 {
 112         auto_ptr<MathMacroTemplate> p(new MathMacroTemplate(is));
 113         name_ = p->name();
 114         MathMacroTable::create(MathAtom(p.release()));
 115 }
 116
 117
 118 string InsetFormulaMacro::prefix() const
 119 {
 120         return to_utf8(bformat(_(" Macro: %1$s: "), lyx::from_utf8(name_)));
 121 }
 122
 123
 124 void InsetFormulaMacro::metrics(MetricsInfo & mi, Dimension & dim) const
 125 {
 126         //lyxerr << "InsetFormulaMacro: " << this << " -- " << &tmpl() << endl;
 127         tmpl()->metrics(mi, dim);
 128         dim.asc += 5;
 129         dim.des += 5;
 130         dim.wid += 10 + theFontMetrics(mi.base.font).width(prefix());
 131         dim_ = dim;
 132 }
 133
 134
 135 void InsetFormulaMacro::draw(PainterInfo & p, int x, int y) const
 136 {
 137         // label
 138         Font font = p.base.font;
 139         font.setColor(Color_math);
 140
 141         PainterInfo pi(p.base.bv, p.pain);
 142         pi.base.style = LM_ST_TEXT;
 143         pi.base.font  = font;
 144
 145         int const a = y - dim_.asc + 1;
 146         int const w = dim_.wid - 2;
 147         int const h = dim_.height() - 2;
 148
 149         // Color_mathbg used to be "AntiqueWhite" but is "linen" now, too
 150         pi.pain.fillRectangle(x, a, w, h, Color_mathmacrobg);
 151         pi.pain.rectangle(x, a, w, h, Color_mathframe);
 152
 153         // FIXME
 154 #if 0
 155         Cursor & cur = p.base.bv->cursor();
 156         if (cur.isInside(this))
 157                 cur.drawSelection(pi);
 158 #endif
 159
 160         pi.pain.text(x + 2, y, prefix(), font);
 161
 162         // body
 163         tmpl()->draw(pi,
 164                 x + theFontMetrics(p.base.font).width(prefix()) + 5,
 165                 y);
 166
 167         setPosCache(pi, x, y);
 168 }
 169
 170
 171 MathAtom & InsetFormulaMacro::tmpl() const
 172 {
 173         return MathMacroTable::provide(name_);
 174 }
 175
 176
 177 } // namespace lyx