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63d5a3c4d4
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2188 a592a061-630c-0410-9148-cb99ea01b6c8
78 lines
1.5 KiB
C
78 lines
1.5 KiB
C
#include <config.h>
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "math_decorationinset.h"
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#include "mathed/support.h"
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#include "math_parser.h"
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#include "support/LOstream.h"
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#include "support/lstrings.h"
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using std::ostream;
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MathDecorationInset::MathDecorationInset(int d)
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: MathInset("", LM_OT_DECO, 1), deco_(d)
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{
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upper_ = deco_ != LM_underline && deco_ != LM_underbrace;
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}
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MathInset * MathDecorationInset::clone() const
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{
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return new MathDecorationInset(*this);
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}
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void MathDecorationInset::Metrics(MathStyles st)
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{
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int const h = 2 * mathed_char_height(LM_TC_VAR, size(), 'I',
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ascent_, descent_);
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xcell(0).Metrics(st);
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width_ = xcell(0).width();
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ascent_ = xcell(0).ascent();
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descent_ = xcell(0).descent();
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int w = width() + 4;
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dh_ = w / 5;
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if (dh_ > h)
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dh_ = h;
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if (upper_) {
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ascent_ += dh_ + 2;
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dy_ = -ascent_;
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} else {
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dy_ = descent_ + 2;
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descent_ += dh_ + 4;
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}
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width_ = w;
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}
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void MathDecorationInset::draw(Painter & pain, int x, int y)
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{
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xo(x);
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yo(x);
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xcell(0).draw(pain, x, y);
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mathed_draw_deco(pain, x, y + dy_, width_, dh_, deco_);
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}
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void MathDecorationInset::Write(ostream & os, bool fragile) const
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{
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latexkeys const * l = lm_get_key_by_id(deco_, LM_TK_WIDE);
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if (fragile &&
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(compare(l->name, "overbrace") == 0 ||
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compare(l->name, "underbrace") == 0 ||
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compare(l->name, "overleftarrow") == 0 ||
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compare(l->name, "overrightarrow") == 0))
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os << "\\protect";
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os << '\\' << l->name << '{';
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cell(0).Write(os, fragile);
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os << '}';
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}
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