src/mathed/InsetMathSqrt.cpp

   1 /**
   2  * \file InsetMathSqrt.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 "InsetMathSqrt.h"
  14 #include "MathData.h"
  15 #include "MathStream.h"
  16 #include "TextPainter.h"
  17 #include "frontends/Painter.h"
  18
  19
  20 namespace lyx {
  21
  22 InsetMathSqrt::InsetMathSqrt(Buffer * buf)
  23         : InsetMathNest(buf, 1)
  24 {}
  25
  26
  27 Inset * InsetMathSqrt::clone() const
  28 {
  29         return new InsetMathSqrt(*this);
  30 }
  31
  32
  33 void InsetMathSqrt::metrics(MetricsInfo & mi, Dimension & dim) const
  34 {
  35         cell(0).metrics(mi, dim);
  36         dim.asc += 4;
  37         dim.des += 2;
  38         dim.wid += 12;
  39         metricsMarkers(dim);
  40 }
  41
  42
  43 void InsetMathSqrt::draw(PainterInfo & pi, int x, int y) const
  44 {
  45         cell(0).draw(pi, x + 10, y);
  46         Dimension const dim = dimension(*pi.base.bv);
  47         int const a = dim.ascent();
  48         int const d = dim.descent();
  49         int xp[3];
  50         int yp[3];
  51         pi.pain.line(x + dim.width(), y - a + 1,
  52                 x + 8, y - a + 1, Color_math);
  53         xp[0] = x + 8;            yp[0] = y - a + 1;
  54         xp[1] = x + 5;            yp[1] = y + d - 1;
  55         xp[2] = x;                yp[2] = y + (d - a)/2;
  56         pi.pain.lines(xp, yp, 3, Color_math);
  57         drawMarkers(pi, x, y);
  58 }
  59
  60
  61 void InsetMathSqrt::metricsT(TextMetricsInfo const & mi, Dimension & dim) const
  62 {
  63         cell(0).metricsT(mi, dim);
  64         dim.asc += 1;
  65         dim.wid += 2;
  66 }
  67
  68
  69 void InsetMathSqrt::drawT(TextPainter & /*pain*/, int /*x*/, int /*y*/) const
  70 {
  71         /*
  72         cell(0).drawT(pain, x + 2, y);
  73         Dimension const & dim0 = cell(0).dimension(*pi.base.bv);
  74         pain.horizontalLine(x + 2, y - dim0.ascent(), dim0.width(), '_');
  75         pain.verticalLine  (x + 1, y - dim0.ascent() + 1, dim0.height());
  76         pain.draw(x, y + dim0.descent(), '\\');
  77         */
  78 }
  79
  80
  81 void InsetMathSqrt::write(WriteStream & os) const
  82 {
  83         MathEnsurer ensurer(os);
  84         os << "\\sqrt{" << cell(0) << '}';
  85 }
  86
  87
  88 void InsetMathSqrt::normalize(NormalStream & os) const
  89 {
  90         os << "[sqrt " << cell(0) << ']';
  91 }
  92
  93 void InsetMathSqrt::maple(MapleStream & os) const
  94 {
  95         os << "sqrt(" << cell(0) << ')';
  96 }
  97
  98 void InsetMathSqrt::mathematica(MathematicaStream & os) const
  99 {
 100         os << "Sqrt[" << cell(0) << ']';
 101 }
 102
 103
 104 void InsetMathSqrt::octave(OctaveStream & os) const
 105 {
 106         os << "sqrt(" << cell(0) << ')';
 107 }
 108
 109
 110 void InsetMathSqrt::mathmlize(MathStream & os) const
 111 {
 112         os << MTag("msqrt") << cell(0) << ETag("msqrt");
 113 }
 114
 115
 116 } // namespace lyx