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https://git.lyx.org/repos/lyx.git
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b542257bd8
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@9772 a592a061-630c-0410-9148-cb99ea01b6c8
142 lines
2.7 KiB
C
142 lines
2.7 KiB
C
/**
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* \file math_casesinset.C
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author André Pönitz
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "math_casesinset.h"
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#include "math_data.h"
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#include "math_mathmlstream.h"
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#include "math_support.h"
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#include "FuncStatus.h"
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#include "LaTeXFeatures.h"
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#include "support/std_ostream.h"
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#include "cursor.h"
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#include "funcrequest.h"
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#include "gettext.h"
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#include "undo.h"
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#include "support/lstrings.h"
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using lyx::support::bformat;
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using std::endl;
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using std::max;
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using std::min;
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using std::swap;
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using std::string;
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using std::auto_ptr;
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MathCasesInset::MathCasesInset(row_type n)
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: MathGridInset(2, n, 'c', "ll")
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{}
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auto_ptr<InsetBase> MathCasesInset::doClone() const
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{
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return auto_ptr<InsetBase>(new MathCasesInset(*this));
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}
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void MathCasesInset::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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MathGridInset::metrics(mi);
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dim_.wid += 8;
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dim = dim_;
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}
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void MathCasesInset::draw(PainterInfo & pi, int x, int y) const
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{
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mathed_draw_deco(pi, x + 1, y - dim_.ascent(), 6, dim_.height(), "{");
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MathGridInset::draw(pi, x + 8, y);
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setPosCache(pi, x, y);
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}
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void MathCasesInset::doDispatch(LCursor & cur, FuncRequest & cmd)
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{
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//lyxerr << "*** MathCasesInset: request: " << cmd << endl;
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switch (cmd.action) {
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case LFUN_TABULAR_FEATURE: {
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recordUndo(cur);
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string const s = cmd.argument;
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if (s == "add-vline-left" || s == "add-vline-right") {
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cur.undispatched();
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break;
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}
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}
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default:
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MathGridInset::doDispatch(cur, cmd);
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}
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}
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bool MathCasesInset::getStatus(LCursor & cur, FuncRequest const & cmd,
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FuncStatus & flag) const
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{
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switch (cmd.action) {
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case LFUN_TABULAR_FEATURE: {
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string const s = cmd.argument;
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if (s == "add-vline-left" || s == "add-vline-right") {
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flag.enabled(false);
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flag.message(bformat(
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N_("No vertical grid lines in '%1$s'"), s));
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return true;
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}
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}
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default:
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return MathGridInset::getStatus(cur, cmd, flag);
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}
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}
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void MathCasesInset::write(WriteStream & os) const
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{
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if (os.fragile())
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os << "\\protect";
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os << "\\begin{cases}\n";
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MathGridInset::write(os);
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if (os.fragile())
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os << "\\protect";
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os << "\\end{cases}";
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}
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void MathCasesInset::normalize(NormalStream & os) const
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{
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os << "[cases ";
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MathGridInset::normalize(os);
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os << ']';
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}
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void MathCasesInset::maple(MapleStream & os) const
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{
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os << "cases(";
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MathGridInset::maple(os);
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os << ')';
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}
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void MathCasesInset::infoize(std::ostream & os) const
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{
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os << "Cases ";
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}
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void MathCasesInset::validate(LaTeXFeatures & features) const
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{
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features.require("amsmath");
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MathGridInset::validate(features);
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}
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