src/mathed/InsetMathDots.cpp

   1 /**
   2  * \file InsetMathDots.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 "InsetMathDots.h"
  15
  16 #include "LaTeXFeatures.h"
  17 #include "MathStream.h"
  18 #include "MathSupport.h"
  19 #include "MathParser.h"
  20 #include "MetricsInfo.h"
  21
  22 #include "frontends/FontMetrics.h"
  23
  24
  25 namespace lyx {
  26
  27 InsetMathDots::InsetMathDots(latexkeys const * key)
  28         : key_(key)
  29 {}
  30
  31
  32 Inset * InsetMathDots::clone() const
  33 {
  34         return new InsetMathDots(*this);
  35 }
  36
  37
  38 void InsetMathDots::metrics(MetricsInfo & mi, Dimension & dim) const
  39 {
  40         dim = theFontMetrics(mi.base.font).dimension('M');
  41         dh_ = 0;
  42         if (key_->name == "cdots" || key_->name == "dotsb"
  43                         || key_->name == "dotsm" || key_->name == "dotsi")
  44                 dh_ = dim.asc / 2;
  45         else if (key_->name == "dotsc")
  46                 dh_ = dim.asc / 4;
  47         else if (key_->name == "vdots") {
  48                 dim.wid = (dim.wid / 2) + 1;
  49                 dh_ = dim.asc;
  50         }
  51         else if (key_->name == "ddots" || key_->name == "adots" || key_->name == "iddots")
  52                 dh_ = dim.asc;
  53 }
  54
  55
  56 void InsetMathDots::draw(PainterInfo & pain, int x, int y) const
  57 {
  58         Dimension const dim = dimension(*pain.base.bv);
  59         if (key_->name == "adots" || key_->name == "iddots")
  60                 --y;
  61         mathed_draw_deco(pain, x + 2, y - dh_, dim.width() - 2, dim.ascent(),
  62                         key_->name);
  63         if (key_->name == "vdots" || key_->name == "ddots" || key_->name == "adots" || key_->name == "iddots")
  64                 ++x;
  65         if (key_->name == "adots" || key_->name == "iddots")
  66                 ++y;
  67         else if (key_->name != "vdots")
  68                 --y;
  69         mathed_draw_deco(pain, x + 2, y - dh_, dim.width() - 2, dim.ascent(),
  70                 key_->name);
  71         setPosCache(pain, x, y);
  72 }
  73
  74
  75 docstring InsetMathDots::name() const
  76 {
  77         return key_->name;
  78 }
  79
  80
  81 void InsetMathDots::validate(LaTeXFeatures & features) const
  82 {
  83         if (!key_->requires.empty())
  84                 features.require(to_utf8(key_->requires));
  85 }
  86
  87
  88 } // namespace lyx