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dec437fbac
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@35362 a592a061-630c-0410-9148-cb99ea01b6c8
735 lines
20 KiB
C++
735 lines
20 KiB
C++
/**
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* \file src/Font.cpp
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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 Lars Gullik Bjønnes
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* \author Jean-Marc Lasgouttes
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* \author Angus Leeming
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* \author André Pönitz
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* \author Dekel Tsur
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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 "Font.h"
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#include "BufferParams.h" // stateText
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#include "ColorSet.h"
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#include "Encoding.h"
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#include "Language.h"
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#include "LaTeXFeatures.h"
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#include "Lexer.h"
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#include "LyXRC.h"
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#include "output_latex.h"
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#include "OutputParams.h"
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#include "support/lassert.h"
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#include "support/convert.h"
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#include "support/debug.h"
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#include "support/gettext.h"
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#include "support/lstrings.h"
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#include <cstring>
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using namespace std;
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using namespace lyx::support;
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namespace lyx {
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//
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// Strings used to read and write .lyx format files
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//
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// These are defined in FontInfo.cpp
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extern char const * LyXFamilyNames[NUM_FAMILIES + 2];
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extern char const * LyXSeriesNames[4];
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extern char const * LyXShapeNames[6];
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extern char const * LyXSizeNames[14];
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extern char const * LyXMiscNames[5];
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//
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// Names for the GUI
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//
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namespace {
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char const * GUIFamilyNames[NUM_FAMILIES + 2 /* default & error */] =
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{ N_("Roman"), N_("Sans Serif"), N_("Typewriter"), N_("Symbol"),
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"cmr", "cmsy", "cmm", "cmex", "msa", "msb", "eufrak", "rsfs", "wasy", "esint",
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N_("Inherit"), N_("Ignore") };
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char const * GUISeriesNames[4] =
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{ N_("Medium"), N_("Bold"), N_("Inherit"), N_("Ignore") };
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char const * GUIShapeNames[6] =
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{ N_("Upright"), N_("Italic"), N_("Slanted"), N_("Smallcaps"), N_("Inherit"),
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N_("Ignore") };
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char const * GUISizeNames[14] =
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{ N_("Tiny"), N_("Smallest"), N_("Smaller"), N_("Small"), N_("Normal"), N_("Large"),
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N_("Larger"), N_("Largest"), N_("Huge"), N_("Huger"), N_("Increase"), N_("Decrease"),
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N_("Inherit"), N_("Ignore") };
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char const * GUIMiscNames[5] =
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{ N_("Off"), N_("On"), N_("Toggle"), N_("Inherit"), N_("Ignore") };
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//
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// Strings used to write LaTeX files
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//
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char const * LaTeXFamilyNames[6] =
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{ "textrm", "textsf", "texttt", "error1", "error2", "error3" };
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char const * LaTeXSeriesNames[4] =
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{ "textmd", "textbf", "error4", "error5" };
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char const * LaTeXShapeNames[6] =
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{ "textup", "textit", "textsl", "textsc", "error6", "error7" };
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char const * LaTeXSizeNames[14] =
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{ "tiny", "scriptsize", "footnotesize", "small", "normalsize", "large",
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"Large", "LARGE", "huge", "Huge", "error8", "error9", "error10", "error11" };
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} // namespace anon
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Font::Font(FontInfo bits, Language const * l)
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: bits_(bits), lang_(l), open_encoding_(false)
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{
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if (!lang_)
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lang_ = default_language;
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}
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bool Font::isRightToLeft() const
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{
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return lang_->rightToLeft();
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}
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bool Font::isVisibleRightToLeft() const
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{
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return (lang_->rightToLeft() &&
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bits_.number() != FONT_ON);
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}
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void Font::setLanguage(Language const * l)
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{
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lang_ = l;
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}
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/// Updates font settings according to request
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void Font::update(Font const & newfont,
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Language const * document_language,
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bool toggleall)
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{
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bits_.update(newfont.fontInfo(), toggleall);
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if (newfont.language() == language() && toggleall)
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if (language() == document_language)
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setLanguage(default_language);
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else
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setLanguage(document_language);
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else if (newfont.language() == reset_language)
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setLanguage(document_language);
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else if (newfont.language() != ignore_language)
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setLanguage(newfont.language());
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}
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docstring const stateText(FontInfo const & f)
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{
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odocstringstream os;
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if (f.family() != INHERIT_FAMILY)
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os << _(GUIFamilyNames[f.family()]) << ", ";
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if (f.series() != INHERIT_SERIES)
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os << _(GUISeriesNames[f.series()]) << ", ";
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if (f.shape() != INHERIT_SHAPE)
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os << _(GUIShapeNames[f.shape()]) << ", ";
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if (f.size() != FONT_SIZE_INHERIT)
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os << _(GUISizeNames[f.size()]) << ", ";
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if (f.color() != Color_inherit)
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os << lcolor.getGUIName(f.color()) << ", ";
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// FIXME: uncomment this when we support background.
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//if (f.background() != Color_inherit)
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// os << lcolor.getGUIName(f.background()) << ", ";
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if (f.emph() != FONT_INHERIT)
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os << bformat(_("Emphasis %1$s, "),
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_(GUIMiscNames[f.emph()]));
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if (f.underbar() != FONT_INHERIT)
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os << bformat(_("Underline %1$s, "),
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_(GUIMiscNames[f.underbar()]));
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if (f.strikeout() != FONT_INHERIT)
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os << bformat(_("Strikeout %1$s, "),
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_(GUIMiscNames[f.strikeout()]));
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if (f.uuline() != FONT_INHERIT)
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os << bformat(_("Double underline %1$s, "),
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_(GUIMiscNames[f.uuline()]));
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if (f.uwave() != FONT_INHERIT)
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os << bformat(_("Wavy underline %1$s, "),
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_(GUIMiscNames[f.uwave()]));
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if (f.noun() != FONT_INHERIT)
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os << bformat(_("Noun %1$s, "),
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_(GUIMiscNames[f.noun()]));
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if (f == inherit_font)
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os << _("Default") << ", ";
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return os.str();
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}
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docstring const Font::stateText(BufferParams * params) const
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{
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odocstringstream os;
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os << lyx::stateText(bits_);
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if (!params || (language() != params->language))
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os << bformat(_("Language: %1$s, "),
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_(language()->display()));
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if (bits_.number() != FONT_OFF)
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os << bformat(_(" Number %1$s"),
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_(GUIMiscNames[bits_.number()]));
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return rtrim(os.str(), ", ");
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}
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// Returns size in latex format
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string const Font::latexSize() const
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{
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return LaTeXSizeNames[bits_.size()];
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}
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/// Writes the changes from this font to orgfont in .lyx format in file
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void Font::lyxWriteChanges(Font const & orgfont,
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ostream & os) const
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{
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os << "\n";
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if (orgfont.fontInfo().family() != bits_.family())
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os << "\\family " << LyXFamilyNames[bits_.family()] << "\n";
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if (orgfont.fontInfo().series() != bits_.series())
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os << "\\series " << LyXSeriesNames[bits_.series()] << "\n";
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if (orgfont.fontInfo().shape() != bits_.shape())
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os << "\\shape " << LyXShapeNames[bits_.shape()] << "\n";
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if (orgfont.fontInfo().size() != bits_.size())
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os << "\\size " << LyXSizeNames[bits_.size()] << "\n";
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if (orgfont.fontInfo().emph() != bits_.emph())
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os << "\\emph " << LyXMiscNames[bits_.emph()] << "\n";
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if (orgfont.fontInfo().number() != bits_.number())
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os << "\\numeric " << LyXMiscNames[bits_.number()] << "\n";
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if (orgfont.fontInfo().underbar() != bits_.underbar()) {
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// This is only for backwards compatibility
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switch (bits_.underbar()) {
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case FONT_OFF: os << "\\bar no\n"; break;
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case FONT_ON: os << "\\bar under\n"; break;
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case FONT_TOGGLE: lyxerr << "Font::lyxWriteFontChanges: "
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"FONT_TOGGLE should not appear here!"
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<< endl;
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break;
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case FONT_INHERIT: os << "\\bar default\n"; break;
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case FONT_IGNORE: lyxerr << "Font::lyxWriteFontChanges: "
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"IGNORE should not appear here!"
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<< endl;
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break;
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}
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}
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if (orgfont.fontInfo().strikeout() != bits_.strikeout()) {
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os << "\\strikeout " << LyXMiscNames[bits_.strikeout()] << "\n";
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}
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if (orgfont.fontInfo().uuline() != bits_.uuline()) {
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os << "\\uuline " << LyXMiscNames[bits_.uuline()] << "\n";
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}
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if (orgfont.fontInfo().uwave() != bits_.uwave()) {
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os << "\\uwave " << LyXMiscNames[bits_.uwave()] << "\n";
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}
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if (orgfont.fontInfo().noun() != bits_.noun()) {
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os << "\\noun " << LyXMiscNames[bits_.noun()] << "\n";
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}
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if (orgfont.fontInfo().color() != bits_.color())
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os << "\\color " << lcolor.getLyXName(bits_.color()) << '\n';
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// FIXME: uncomment this when we support background.
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//if (orgfont.fontInfo().background() != bits_.background())
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// os << "\\color " << lcolor.getLyXName(bits_.background()) << '\n';
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if (orgfont.language() != language() &&
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language() != latex_language) {
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if (language())
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os << "\\lang " << language()->lang() << "\n";
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else
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os << "\\lang unknown\n";
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}
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}
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/// Writes the head of the LaTeX needed to impose this font
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// Returns number of chars written.
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int Font::latexWriteStartChanges(odocstream & os, BufferParams const & bparams,
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OutputParams const & runparams,
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Font const & base,
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Font const & prev) const
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{
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bool env = false;
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int count = 0;
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if (language()->babel() != base.language()->babel() &&
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language() != prev.language()) {
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if (language()->lang() == "farsi") {
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os << "\\textFR{";
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count += 8;
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} else if (!isRightToLeft() &&
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base.language()->lang() == "farsi") {
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os << "\\textLR{";
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count += 8;
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} else if (language()->lang() == "arabic_arabi") {
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os << "\\textAR{";
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count += 8;
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} else if (!isRightToLeft() &&
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base.language()->lang() == "arabic_arabi") {
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os << "\\textLR{";
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count += 8;
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// currently the remaining RTL languages are arabic_arabtex and hebrew
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} else if (isRightToLeft() != prev.isRightToLeft()) {
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if (isRightToLeft()) {
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os << "\\R{";
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count += 3;
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} else {
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os << "\\L{";
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count += 3;
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}
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} else if (!language()->babel().empty()) {
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string const tmp =
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subst(lyxrc.language_command_local,
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"$$lang", language()->babel());
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os << from_ascii(tmp);
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count += tmp.length();
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} else {
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os << '{';
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count += 1;
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}
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}
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if (language()->encoding()->package() == Encoding::CJK) {
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pair<bool, int> const c = switchEncoding(os, bparams,
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runparams, *(language()->encoding()));
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if (c.first) {
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open_encoding_ = true;
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count += c.second;
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runparams.encoding = language()->encoding();
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}
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}
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// When the current language is Hebrew, Arabic, or Farsi
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// the numbers are written Left-to-Right. ArabTeX package
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// reorders the number automatically but the packages used
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// for Hebrew and Farsi (Arabi) do not.
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if (bits_.number() == FONT_ON && prev.fontInfo().number() != FONT_ON
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&& (language()->lang() == "hebrew"
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|| language()->lang() == "farsi"
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|| language()->lang() == "arabic_arabi")) {
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os << "{\\beginL ";
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count += 9;
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}
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FontInfo f = bits_;
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f.reduce(base.bits_);
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if (f.family() != INHERIT_FAMILY) {
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os << '\\'
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<< LaTeXFamilyNames[f.family()]
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<< '{';
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count += strlen(LaTeXFamilyNames[f.family()]) + 2;
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env = true; //We have opened a new environment
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}
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if (f.series() != INHERIT_SERIES) {
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os << '\\'
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<< LaTeXSeriesNames[f.series()]
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<< '{';
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count += strlen(LaTeXSeriesNames[f.series()]) + 2;
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env = true; //We have opened a new environment
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}
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if (f.shape() != INHERIT_SHAPE) {
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os << '\\'
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<< LaTeXShapeNames[f.shape()]
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<< '{';
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count += strlen(LaTeXShapeNames[f.shape()]) + 2;
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env = true; //We have opened a new environment
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}
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if (f.color() != Color_inherit && f.color() != Color_ignore) {
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os << "\\textcolor{"
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<< from_ascii(lcolor.getLaTeXName(f.color()))
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<< "}{";
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count += lcolor.getLaTeXName(f.color()).length() + 13;
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env = true; //We have opened a new environment
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}
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// FIXME: uncomment this when we support background.
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/*
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if (f.background() != Color_inherit && f.background() != Color_ignore) {
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os << "\\textcolor{"
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<< from_ascii(lcolor.getLaTeXName(f.background()))
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<< "}{";
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count += lcolor.getLaTeXName(f.background()).length() + 13;
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env = true; //We have opened a new environment
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}
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*/
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if (f.emph() == FONT_ON) {
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os << "\\emph{";
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count += 6;
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env = true; //We have opened a new environment
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}
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if (f.underbar() == FONT_ON) {
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os << "\\uline{";
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count += 10;
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runparams.inulemcmd = true;
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env = true; //We have opened a new environment
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}
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if (f.strikeout() == FONT_ON) {
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os << "\\sout{";
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count += 9;
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runparams.inulemcmd = true;
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env = true; //We have opened a new environment
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}
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if (f.uuline() == FONT_ON) {
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os << "\\uuline{";
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count += 11;
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runparams.inulemcmd = true;
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env = true; //We have opened a new environment
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}
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if (f.uwave() == FONT_ON) {
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os << "\\uwave{";
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count += 10;
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runparams.inulemcmd = true;
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env = true; //We have opened a new environment
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}
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// \noun{} is a LyX special macro
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if (f.noun() == FONT_ON) {
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os << "\\noun{";
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count += 6;
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env = true; //We have opened a new environment
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}
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if (f.size() != FONT_SIZE_INHERIT) {
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// If we didn't open an environment above, we open one here
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if (!env) {
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os << '{';
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++count;
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}
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os << '\\'
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<< LaTeXSizeNames[f.size()]
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<< ' ';
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count += strlen(LaTeXSizeNames[f.size()]) + 2;
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}
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return count;
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}
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/// Writes ending block of LaTeX needed to close use of this font
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// Returns number of chars written
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// This one corresponds to latexWriteStartChanges(). (Asger)
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int Font::latexWriteEndChanges(odocstream & os, BufferParams const & bparams,
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OutputParams const & runparams,
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Font const & base,
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Font const & next,
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bool const & closeLanguage) const
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{
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int count = 0;
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bool env = false;
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// reduce the current font to changes against the base
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// font (of the layout). We use a temporary for this to
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// avoid changing this font instance, as that would break
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FontInfo f = bits_;
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f.reduce(base.bits_);
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if (f.family() != INHERIT_FAMILY) {
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os << '}';
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++count;
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env = true; // Size change need not bother about closing env.
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}
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if (f.series() != INHERIT_SERIES) {
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os << '}';
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++count;
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env = true; // Size change need not bother about closing env.
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}
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if (f.shape() != INHERIT_SHAPE) {
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os << '}';
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++count;
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env = true; // Size change need not bother about closing env.
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}
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if (f.color() != Color_inherit && f.color() != Color_ignore) {
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os << '}';
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++count;
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env = true; // Size change need not bother about closing env.
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}
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if (f.emph() == FONT_ON) {
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os << '}';
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++count;
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env = true; // Size change need not bother about closing env.
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}
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if (f.underbar() == FONT_ON) {
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os << '}';
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++count;
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runparams.inulemcmd = false;
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env = true; // Size change need not bother about closing env.
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}
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if (f.strikeout() == FONT_ON) {
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os << '}';
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++count;
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runparams.inulemcmd = false;
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env = true; // Size change need not bother about closing env.
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}
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if (f.uuline() == FONT_ON) {
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os << '}';
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++count;
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runparams.inulemcmd = false;
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env = true; // Size change need not bother about closing env.
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}
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if (f.uwave() == FONT_ON) {
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os << '}';
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++count;
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runparams.inulemcmd = false;
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env = true; // Size change need not bother about closing env.
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}
|
|
if (f.noun() == FONT_ON) {
|
|
os << '}';
|
|
++count;
|
|
env = true; // Size change need not bother about closing env.
|
|
}
|
|
if (f.size() != FONT_SIZE_INHERIT) {
|
|
// We only have to close if only size changed
|
|
if (!env) {
|
|
os << '}';
|
|
++count;
|
|
}
|
|
}
|
|
|
|
// When the current language is Hebrew, Arabic, or Farsi
|
|
// the numbers are written Left-to-Right. ArabTeX package
|
|
// reorders the number automatically but the packages used
|
|
// for Hebrew and Farsi (Arabi) do not.
|
|
if (bits_.number() == FONT_ON && next.fontInfo().number() != FONT_ON
|
|
&& (language()->lang() == "hebrew"
|
|
|| language()->lang() == "farsi"
|
|
|| language()->lang() == "arabic_arabi")) {
|
|
os << "\\endL}";
|
|
count += 6;
|
|
}
|
|
|
|
if (open_encoding_) {
|
|
// We need to close the encoding even if it does not change
|
|
// to do correct environment nesting
|
|
Encoding const * const ascii = encodings.fromLyXName("ascii");
|
|
pair<bool, int> const c = switchEncoding(os, bparams,
|
|
runparams, *ascii);
|
|
LASSERT(c.first, /**/);
|
|
count += c.second;
|
|
runparams.encoding = ascii;
|
|
open_encoding_ = false;
|
|
}
|
|
|
|
if (closeLanguage &&
|
|
language() != base.language() && language() != next.language()) {
|
|
os << '}';
|
|
++count;
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
|
|
string Font::toString(bool const toggle) const
|
|
{
|
|
string const lang = (language() == reset_language)
|
|
? "reset" : language()->lang();
|
|
|
|
ostringstream os;
|
|
os << "family " << bits_.family() << '\n'
|
|
<< "series " << bits_.series() << '\n'
|
|
<< "shape " << bits_.shape() << '\n'
|
|
<< "size " << bits_.size() << '\n'
|
|
<< "emph " << bits_.emph() << '\n'
|
|
<< "underbar " << bits_.underbar() << '\n'
|
|
<< "strikeout " << bits_.strikeout() << '\n'
|
|
<< "uuline " << bits_.uuline() << '\n'
|
|
<< "uwave " << bits_.uwave() << '\n'
|
|
<< "noun " << bits_.noun() << '\n'
|
|
<< "number " << bits_.number() << '\n'
|
|
<< "color " << bits_.color() << '\n'
|
|
<< "language " << lang << '\n'
|
|
<< "toggleall " << convert<string>(toggle);
|
|
return os.str();
|
|
}
|
|
|
|
|
|
bool Font::fromString(string const & data, bool & toggle)
|
|
{
|
|
istringstream is(data);
|
|
Lexer lex;
|
|
lex.setStream(is);
|
|
|
|
int nset = 0;
|
|
while (lex.isOK()) {
|
|
string token;
|
|
if (lex.next())
|
|
token = lex.getString();
|
|
|
|
if (token.empty() || !lex.next())
|
|
break;
|
|
|
|
if (token == "family") {
|
|
int const next = lex.getInteger();
|
|
bits_.setFamily(FontFamily(next));
|
|
|
|
} else if (token == "series") {
|
|
int const next = lex.getInteger();
|
|
bits_.setSeries(FontSeries(next));
|
|
|
|
} else if (token == "shape") {
|
|
int const next = lex.getInteger();
|
|
bits_.setShape(FontShape(next));
|
|
|
|
} else if (token == "size") {
|
|
int const next = lex.getInteger();
|
|
bits_.setSize(FontSize(next));
|
|
|
|
} else if (token == "emph" || token == "underbar" ||
|
|
token == "noun" || token == "number" ||
|
|
token == "uuline" || token == "uwave" ||
|
|
token == "strikeout") {
|
|
|
|
int const next = lex.getInteger();
|
|
FontState const misc = FontState(next);
|
|
|
|
if (token == "emph")
|
|
bits_.setEmph(misc);
|
|
else if (token == "underbar")
|
|
bits_.setUnderbar(misc);
|
|
else if (token == "strikeout")
|
|
bits_.setStrikeout(misc);
|
|
else if (token == "uuline")
|
|
bits_.setUuline(misc);
|
|
else if (token == "uwave")
|
|
bits_.setUwave(misc);
|
|
else if (token == "noun")
|
|
bits_.setNoun(misc);
|
|
else if (token == "number")
|
|
bits_.setNumber(misc);
|
|
|
|
} else if (token == "color") {
|
|
int const next = lex.getInteger();
|
|
bits_.setColor(ColorCode(next));
|
|
|
|
/**
|
|
} else if (token == "background") {
|
|
int const next = lex.getInteger();
|
|
bits_.setBackground(ColorCode(next));
|
|
*/
|
|
|
|
} else if (token == "language") {
|
|
string const next = lex.getString();
|
|
setLanguage(languages.getLanguage(next));
|
|
|
|
} else if (token == "toggleall") {
|
|
toggle = lex.getBool();
|
|
|
|
} else {
|
|
// Unrecognised token
|
|
break;
|
|
}
|
|
|
|
++nset;
|
|
}
|
|
return (nset > 0);
|
|
}
|
|
|
|
|
|
void Font::validate(LaTeXFeatures & features) const
|
|
{
|
|
BufferParams const & bparams = features.bufferParams();
|
|
Language const * doc_language = bparams.language;
|
|
|
|
if (bits_.noun() == FONT_ON) {
|
|
LYXERR(Debug::LATEX, "font.noun: " << bits_.noun());
|
|
features.require("noun");
|
|
LYXERR(Debug::LATEX, "Noun enabled. Font: " << to_utf8(stateText(0)));
|
|
}
|
|
if (bits_.underbar() == FONT_ON) {
|
|
LYXERR(Debug::LATEX, "font.underline: " << bits_.underbar());
|
|
features.require("ulem");
|
|
LYXERR(Debug::LATEX, "Underline enabled. Font: " << to_utf8(stateText(0)));
|
|
}
|
|
if (bits_.strikeout() == FONT_ON) {
|
|
LYXERR(Debug::LATEX, "font.strikeout: " << bits_.strikeout());
|
|
features.require("ulem");
|
|
LYXERR(Debug::LATEX, "Strikeout enabled. Font: " << to_utf8(stateText(0)));
|
|
}
|
|
if (bits_.uuline() == FONT_ON) {
|
|
LYXERR(Debug::LATEX, "font.uuline: " << bits_.uuline());
|
|
features.require("ulem");
|
|
LYXERR(Debug::LATEX, "Double underline enabled. Font: " << to_utf8(stateText(0)));
|
|
}
|
|
if (bits_.uwave() == FONT_ON) {
|
|
LYXERR(Debug::LATEX, "font.uwave: " << bits_.uwave());
|
|
features.require("ulem");
|
|
LYXERR(Debug::LATEX, "Wavy underline enabled. Font: " << to_utf8(stateText(0)));
|
|
}
|
|
switch (bits_.color()) {
|
|
case Color_none:
|
|
case Color_inherit:
|
|
case Color_ignore:
|
|
// probably we should put here all interface colors used for
|
|
// font displaying! For now I just add this ones I know of (Jug)
|
|
case Color_latex:
|
|
case Color_notelabel:
|
|
break;
|
|
default:
|
|
features.require("color");
|
|
LYXERR(Debug::LATEX, "Color enabled. Font: " << to_utf8(stateText(0)));
|
|
}
|
|
|
|
// FIXME: Do something for background and soul package?
|
|
|
|
if (lang_->babel() != doc_language->babel() &&
|
|
lang_ != ignore_language &&
|
|
lang_ != latex_language)
|
|
{
|
|
features.useLanguage(lang_);
|
|
LYXERR(Debug::LATEX, "Found language " << lang_->lang());
|
|
}
|
|
}
|
|
|
|
|
|
ostream & operator<<(ostream & os, FontState fms)
|
|
{
|
|
return os << int(fms);
|
|
}
|
|
|
|
|
|
ostream & operator<<(ostream & os, FontInfo const & f)
|
|
{
|
|
return os << "font:"
|
|
<< " family " << f.family()
|
|
<< " series " << f.series()
|
|
<< " shape " << f.shape()
|
|
<< " size " << f.size()
|
|
<< " color " << f.color()
|
|
// FIXME: uncomment this when we support background.
|
|
//<< " background " << f.background()
|
|
<< " emph " << f.emph()
|
|
<< " underbar " << f.underbar()
|
|
<< " strikeout " << f.strikeout()
|
|
<< " uuline " << f.uuline()
|
|
<< " uwave " << f.uwave()
|
|
<< " noun " << f.noun()
|
|
<< " number " << f.number();
|
|
}
|
|
|
|
|
|
ostream & operator<<(ostream & os, Font const & font)
|
|
{
|
|
return os << font.bits_
|
|
<< " lang: " << (font.lang_ ? font.lang_->lang() : 0);
|
|
}
|
|
|
|
|
|
} // namespace lyx
|