src/mathed/math_boxinset.C

   1 #ifdef __GNUG__
   2 #pragma implementation
   3 #endif
   4
   5 #include "math_boxinset.h"
   6 #include "support/LOstream.h"
   7 #include "LColor.h"
   8 #include "debug.h"
   9 #include "Painter.h"
  10 #include "math_cursor.h"
  11 #include "insets/insettext.h"
  12
  13
  14 MathBoxInset::MathBoxInset(string const & name)
  15         : MathDimInset(), name_(name), text_(new InsetText), buffer_(0)
  16 {}
  17
  18
  19 MathBoxInset::MathBoxInset(MathBoxInset const & m)
  20         :       MathDimInset(*this), name_(m.name_), text_(0), buffer_(m.buffer_)
  21 {
  22         if (!m.buffer_)
  23                 lyxerr << "no buffer\n";
  24         else
  25                 text_ = static_cast<InsetText *>(m.text_->clone(*m.buffer_, false));
  26 }
  27
  28
  29 MathBoxInset::~MathBoxInset()
  30 {
  31         delete text_;
  32 }
  33
  34
  35 MathInset * MathBoxInset::clone() const
  36 {
  37         return new MathBoxInset(*this);
  38 }
  39
  40
  41 void MathBoxInset::write(MathWriteInfo & os) const
  42 {
  43         os << "\\" << name_ << "{" << cell(0) << "}";
  44 }
  45
  46
  47 void MathBoxInset::writeNormal(std::ostream & os) const
  48 {
  49         os << "[mbox ";
  50         //text_->write(buffer(), os);
  51         os << "] ";
  52 }
  53
  54
  55 void MathBoxInset::metrics(MathMetricsInfo const & st) const
  56 {
  57         mi_ = st;
  58         if (text_ && mi_.view) {
  59                 ascent_  = text_->ascent(mi_.view, mi_.font)  + 2;
  60                 descent_ = text_->descent(mi_.view, mi_.font) + 2;
  61                 width_   = text_->width(mi_.view, mi_.font)   + 4;
  62         } else {
  63                 ascent_  = 10;
  64                 descent_ = 0;
  65                 width_   = 10;
  66         }
  67 }
  68
  69
  70 void MathBoxInset::draw(Painter & pain, int x, int y) const
  71 {
  72         float fx = x + 2;
  73         if (text_ && mi_.view)
  74                 text_->draw(mi_.view, mi_.font, y, fx, false);
  75         if (mathcursor && mathcursor->isInside(this))
  76                 pain.rectangle(x, y - ascent(), xcell(0).width(), height(),
  77                         LColor::mathframe);
  78 }