2 * \file math_macrotemplate.C
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * Full author contact details are available in file CREDITS.
13 #include "MathMacroTemplate.h"
14 #include "MathStream.h"
15 #include "MathParser.h"
16 #include "MathSupport.h"
24 #include "frontends/FontMetrics.h"
25 #include "frontends/Painter.h"
27 #include "support/lstrings.h"
32 using support::bformat;
39 MathMacroTemplate::MathMacroTemplate()
40 : InsetMathNest(2), numargs_(0), name_(), type_(from_ascii("newcommand"))
46 MathMacroTemplate::MathMacroTemplate(docstring const & name, int numargs,
47 docstring const & type, MathArray const & ar1, MathArray const & ar2)
48 : InsetMathNest(2), numargs_(numargs), name_(name), type_(type)
53 lyxerr << "MathMacroTemplate::MathMacroTemplate: wrong # of arguments: "
54 << numargs_ << std::endl;
60 MathMacroTemplate::MathMacroTemplate(docstring const & str)
61 : InsetMathNest(2), numargs_(0), name_()
66 mathed_parse_cell(ar, str);
67 if (ar.size() != 1 || !ar[0]->asMacroTemplate()) {
68 lyxerr << "Cannot read macro from '" << ar << "'" << endl;
71 operator=( *(ar[0]->asMacroTemplate()) );
75 auto_ptr<InsetBase> MathMacroTemplate::doClone() const
77 return auto_ptr<InsetBase>(new MathMacroTemplate(*this));
81 void MathMacroTemplate::edit(LCursor & cur, bool)
83 //lyxerr << "MathMacroTemplate: edit left/right" << endl;
88 int MathMacroTemplate::numargs() const
94 void MathMacroTemplate::numargs(int numargs)
100 docstring MathMacroTemplate::name() const
106 docstring MathMacroTemplate::prefix() const
109 // delete the conversion when bformat() will return a docstring.
110 // delete the conversion when bformat() takes a docstring arg.
111 return bformat(_(" Macro: %1$s: "), name_);
115 bool MathMacroTemplate::metrics(MetricsInfo & mi, Dimension & dim) const
119 docstring dp = prefix();
120 dim.wid = cell(0).width() + cell(1).width() + 20
121 + theFontMetrics(mi.base.font).width(dp);
122 dim.asc = std::max(cell(0).ascent(), cell(1).ascent()) + 7;
123 dim.des = std::max(cell(0).descent(), cell(1).descent()) + 7;
131 void MathMacroTemplate::draw(PainterInfo & p, int x, int y) const
133 setPosCache(p, x, y);
136 LyXFont font = p.base.font;
137 font.setColor(LColor::math);
139 PainterInfo pi(p.base.bv, p.pain);
140 pi.base.style = LM_ST_TEXT;
143 int const a = y - dim_.asc + 1;
144 int const w = dim_.wid - 2;
145 int const h = dim_.height() - 2;
147 // LColor::mathbg used to be "AntiqueWhite" but is "linen" now, too
148 // the next line would overwrite the selection!
149 //pi.pain.fillRectangle(x, a, w, h, LColor::mathmacrobg);
150 pi.pain.rectangle(x, a, w, h, LColor::mathframe);
156 LCursor & cur = p.base.bv->cursor();
157 if (cur.isInside(this))
158 cur.drawSelection(pi);
160 docstring dp = prefix();
161 pi.pain.text(x + 2, y, dp, font);
162 // FIXME: Painter text should retain the drawn text width
163 x += theFontMetrics(font).width(dp) + 6;
165 int const w0 = cell(0).width();
166 int const w1 = cell(1).width();
167 cell(0).draw(pi, x + 2, y + 1);
168 pi.pain.rectangle(x, y - dim_.ascent() + 3,
169 w0 + 4, dim_.height() - 6, LColor::mathline);
170 cell(1).draw(pi, x + 8 + w0, y + 1);
171 pi.pain.rectangle(x + w0 + 6, y - dim_.ascent() + 3,
172 w1 + 4, dim_.height() - 6, LColor::mathline);
176 void MathMacroTemplate::read(Buffer const &, LyXLex & lex)
179 lex.next(); // eat \begin_inset FormulaMacro line
180 docstring const str = lex.getDocString();
181 lex.next(); // eat that macro definition
182 lex.next(); // eat the \\end_insrt line
183 //lyxerr << "Got to read from: " << to_utf8(str) << endl;
184 mathed_parse_cell(ar, str);
185 if (ar.size() != 1 || !ar[0]->asMacroTemplate()) {
186 lyxerr << "Cannot read macro from '" << ar << "'" << endl;
187 lyxerr << "Read: " << to_utf8(asString(ar)) << endl;
190 operator=( *(ar[0]->asMacroTemplate()) );
194 void MathMacroTemplate::write(Buffer const &, std::ostream & os) const
196 odocstringstream oss;
197 WriteStream wi(oss, false, false);
198 oss << "FormulaMacro\n";
200 os << to_utf8(oss.str());
204 void MathMacroTemplate::write(WriteStream & os) const
206 if (type_ == "def") {
207 os << "\\def\\" << name_.c_str();
208 for (int i = 1; i <= numargs_; ++i)
211 // newcommand or renewcommand
212 os << "\\" << type_.c_str() << "{\\" << name_.c_str() << '}';
214 os << '[' << numargs_ << ']';
217 os << '{' << cell(0) << "}";
220 // writing .tex. done.
223 // writing .lyx, write special .tex export only if necessary
224 if (!cell(1).empty())
225 os << "\n{" << cell(1) << '}';
230 MacroData MathMacroTemplate::asMacroData() const
232 return MacroData(asString(cell(0)), numargs(), asString(cell(1)), std::string());