src/mathed/CommandInset.cpp

   1 /**
   2  * \file CommandInset.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author André Pönitz
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "CommandInset.h"
  14 #include "MathData.h"
  15 #include "MathStream.h"
  16 #include "DispatchResult.h"
  17 #include "FuncRequest.h"
  18
  19 #include <sstream>
  20
  21 using namespace std;
  22
  23 namespace lyx {
  24
  25
  26 CommandInset::CommandInset(Buffer * buf, docstring const & name, bool needs_math_mode)
  27         : InsetMathNest(buf, 2), name_(name), needs_math_mode_(needs_math_mode),
  28           set_label_(false)
  29 {
  30         lock_ = true;
  31 }
  32
  33
  34 Inset * CommandInset::clone() const
  35 {
  36         return new CommandInset(*this);
  37 }
  38
  39
  40 void CommandInset::metrics(MetricsInfo & mi, Dimension & dim) const
  41 {
  42         if (!set_label_) {
  43                 set_label_ = true;
  44                 button_.update(screenLabel(), true);
  45         }
  46         button_.metrics(mi, dim);
  47         // Cache the inset dimension.
  48         setDimCache(mi, dim);
  49 }
  50
  51
  52 Inset * CommandInset::editXY(Cursor & cur, int /*x*/, int /*y*/)
  53 {
  54         edit(cur, true);
  55         return this;
  56 }
  57
  58
  59 void CommandInset::draw(PainterInfo & pi, int x, int y) const
  60 {
  61         button_.draw(pi, x, y);
  62         setPosCache(pi, x, y);
  63 }
  64
  65
  66 void CommandInset::write(WriteStream & os) const
  67 {
  68         MathEnsurer ensurer(os, needs_math_mode_);
  69         os << '\\' << name_.c_str();
  70         if (cell(1).size())
  71                 os << '[' << cell(1) << ']';
  72         os << '{' << cell(0) << '}';
  73 }
  74
  75
  76 docstring const CommandInset::screenLabel() const
  77 {
  78         return name_;
  79 }
  80
  81 } // namespace lyx