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         lyxerr << "creating new " << name << endl;
  18 }
  19
  20
  21 MathBoxInset::MathBoxInset(MathBoxInset const & m)
  22         :       MathDimInset(*this), name_(m.name_), text_(0), buffer_(m.buffer_)
  23 {
  24         if (!m.buffer_)
  25                 cerr << "no buffer\n";
  26         else
  27                 text_ = static_cast<InsetText *>(m.text_->clone(*m.buffer_, false));
  28 }
  29
  30
  31 MathBoxInset::~MathBoxInset()
  32 {
  33         delete text_;
  34 }
  35
  36
  37 MathInset * MathBoxInset::clone() const
  38 {
  39         return new MathBoxInset(*this);
  40 }
  41
  42
  43 void MathBoxInset::write(MathWriteInfo & os) const
  44 {
  45         os << "\\" << name_ << "{" << cell(0) << "}";
  46 }
  47
  48
  49 void MathBoxInset::writeNormal(std::ostream & os) const
  50 {
  51         os << "[mbox ";
  52         //text_->write(buffer(), os);
  53         os << "] ";
  54 }
  55
  56
  57 void MathBoxInset::metrics(MathMetricsInfo const & st) const
  58 {
  59         size_ = st;
  60         if (text_ && st.view && st.font) {
  61                 ascent_  = text_->ascent(st.view, *st.font)  + 2;
  62                 descent_ = text_->descent(st.view, *st.font) + 2;
  63                 width_   = text_->width(st.view, *st.font)   + 4;
  64         } else {
  65                 ascent_  = 10;
  66                 descent_ = 0;
  67                 width_   = 10;
  68         }
  69 }
  70
  71
  72 void MathBoxInset::draw(Painter & pain, int x, int y) const
  73 {
  74         float fx = x + 2;
  75
  76         if (text_ && size_.view && size_.font)
  77                 text_->draw(size_.view, *(size_.font), y, fx, false);
  78         if (mathcursor && mathcursor->isInside(this))
  79                 pain.rectangle(x, y - ascent(), xcell(0).width(), height(),
  80                         LColor::mathframe);
  81 }