1 /* This file is part of
2 * ======================================================
4 * LyX, The Document Processor
6 * Copyright 1995 Matthias Ettrich
7 * Copyright 1995-2000 The LyX Team.
9 * ====================================================== */
15 #pragma implementation "lyxfont.h"
25 #include "FontLoader.h"
26 #include "support/lstrings.h"
27 #include "bufferparams.h" // stateText
37 char const * GUIFamilyNames[6] =
38 { N_("Roman"), N_("Sans serif"), N_("Typewriter"), N_("Symbol"), N_("Inherit"),
42 char const * GUISeriesNames[4] =
43 { N_("Medium"), N_("Bold"), N_("Inherit"), N_("Ignore") };
46 char const * GUIShapeNames[6] =
47 { N_("Upright"), N_("Italic"), N_("Slanted"), N_("Smallcaps"), N_("Inherit"),
51 char const * GUISizeNames[14] =
52 { N_("Tiny"), N_("Smallest"), N_("Smaller"), N_("Small"), N_("Normal"), N_("Large"),
53 N_("Larger"), N_("Largest"), N_("Huge"), N_("Huger"), N_("Increase"), N_("Decrease"),
54 N_("Inherit"), N_("Ignore") };
57 char const * GUIMiscNames[5] =
58 { N_("Off"), N_("On"), N_("Toggle"), N_("Inherit"), N_("Ignore") };
62 // Strings used to read and write .lyx format files
65 char const * LyXFamilyNames[6] =
66 { "roman", "sans", "typewriter", "symbol", "default", "error" };
69 char const * LyXSeriesNames[4] =
70 { "medium", "bold", "default", "error" };
73 char const * LyXShapeNames[6] =
74 { "up", "italic", "slanted", "smallcaps", "default", "error" };
77 char const * LyXSizeNames[14] =
78 { "tiny", "scriptsize", "footnotesize", "small", "normal", "large",
79 "larger", "largest", "huge", "giant",
80 "increase-error", "decrease-error", "default", "error" };
83 char const * LyXMiscNames[5] =
84 { "off", "on", "toggle", "default", "error" };
87 // Strings used to write LaTeX files
90 char const * LaTeXFamilyNames[6] =
91 { "textrm", "textsf", "texttt", "error1", "error2", "error3" };
94 char const * LaTeXSeriesNames[4] =
95 { "textmd", "textbf", "error4", "error5" };
98 char const * LaTeXShapeNames[6] =
99 { "textup", "textit", "textsl", "textsc", "error6", "error7" };
102 char const * LaTeXSizeNames[14] =
103 { "tiny", "scriptsize", "footnotesize", "small", "normalsize", "large",
104 "Large", "LARGE", "huge", "Huge", "error8", "error9", "error10", "error11" };
107 LyXFont::FontBits LyXFont::sane = {
118 LyXFont::FontBits LyXFont::inherit = {
129 LyXFont::FontBits LyXFont::ignore = {
141 bool LyXFont::FontBits::operator==(LyXFont::FontBits const & fb1) const
143 return fb1.family == family &&
144 fb1.series == series &&
145 fb1.shape == shape &&
147 fb1.color == color &&
149 fb1.underbar == underbar &&
155 bool LyXFont::FontBits::operator!=(LyXFont::FontBits const & fb1) const
157 return !(fb1 == *this);
161 /// Decreases font size by one
162 LyXFont & LyXFont::decSize()
165 case SIZE_HUGER: setSize(SIZE_HUGE); break;
166 case SIZE_HUGE: setSize(SIZE_LARGEST); break;
167 case SIZE_LARGEST: setSize(SIZE_LARGER); break;
168 case SIZE_LARGER: setSize(SIZE_LARGE); break;
169 case SIZE_LARGE: setSize(SIZE_NORMAL); break;
170 case SIZE_NORMAL: setSize(SIZE_SMALL); break;
171 case SIZE_SMALL: setSize(SIZE_FOOTNOTE); break;
172 case SIZE_FOOTNOTE: setSize(SIZE_SCRIPT); break;
173 case SIZE_SCRIPT: setSize(SIZE_TINY); break;
174 case SIZE_TINY: break;
176 lyxerr << "Can't LyXFont::decSize on INCREASE_SIZE" << endl;
179 lyxerr <<"Can't LyXFont::decSize on DECREASE_SIZE" << endl;
182 lyxerr <<"Can't LyXFont::decSize on INHERIT_SIZE" << endl;
185 lyxerr <<"Can't LyXFont::decSize on IGNORE_SIZE" << endl;
192 /// Increases font size by one
193 LyXFont & LyXFont::incSize()
196 case SIZE_HUGER: break;
197 case SIZE_HUGE: setSize(SIZE_HUGER); break;
198 case SIZE_LARGEST: setSize(SIZE_HUGE); break;
199 case SIZE_LARGER: setSize(SIZE_LARGEST); break;
200 case SIZE_LARGE: setSize(SIZE_LARGER); break;
201 case SIZE_NORMAL: setSize(SIZE_LARGE); break;
202 case SIZE_SMALL: setSize(SIZE_NORMAL); break;
203 case SIZE_FOOTNOTE: setSize(SIZE_SMALL); break;
204 case SIZE_SCRIPT: setSize(SIZE_FOOTNOTE); break;
205 case SIZE_TINY: setSize(SIZE_SCRIPT); break;
207 lyxerr <<"Can't LyXFont::incSize on INCREASE_SIZE" << endl;
210 lyxerr <<"Can't LyXFont::incSize on DECREASE_SIZE" << endl;
213 lyxerr <<"Can't LyXFont::incSize on INHERIT_SIZE" << endl;
216 lyxerr <<"Can't LyXFont::incSize on IGNORE_SIZE" << endl;
223 /// Updates a misc setting according to request
224 LyXFont::FONT_MISC_STATE LyXFont::setMisc(FONT_MISC_STATE newfont,
227 if (newfont == TOGGLE) {
233 lyxerr <<"LyXFont::setMisc: Need state"
234 " ON or OFF to toggle. Setting to ON" << endl;
237 } else if (newfont == IGNORE)
244 /// Updates font settings according to request
245 void LyXFont::update(LyXFont const & newfont,
246 Language const * document_language, bool toggleall)
248 if(newfont.family() == family() && toggleall)
249 setFamily(INHERIT_FAMILY); // toggle 'back'
250 else if (newfont.family() != IGNORE_FAMILY)
251 setFamily(newfont.family());
252 // else it's IGNORE_SHAPE
254 // "Old" behaviour: "Setting" bold will toggle bold on/off.
255 switch (newfont.series()) {
258 if (series() == BOLD_SERIES && toggleall)
259 setSeries(MEDIUM_SERIES);
261 setSeries(BOLD_SERIES);
265 setSeries(newfont.series());
271 if(newfont.shape() == shape() && toggleall)
272 setShape(INHERIT_SHAPE); // toggle 'back'
273 else if (newfont.shape() != IGNORE_SHAPE)
274 setShape(newfont.shape());
275 // else it's IGNORE_SHAPE
277 if (newfont.size() != IGNORE_SIZE) {
278 if (newfont.size() == INCREASE_SIZE)
280 else if (newfont.size() == DECREASE_SIZE)
282 else if (newfont.size() == size() && toggleall)
283 setSize(INHERIT_SIZE); // toggle 'back'
285 setSize(newfont.size());
288 setEmph(setMisc(newfont.emph(), emph()));
289 setUnderbar(setMisc(newfont.underbar(), underbar()));
290 setNoun(setMisc(newfont.noun(), noun()));
291 setLatex(setMisc(newfont.latex(), latex()));
293 if (newfont.language() == language() && toggleall)
294 if (language() == document_language)
295 setLanguage(default_language);
297 setLanguage(document_language);
298 else if (newfont.language() != ignore_language)
299 setLanguage(newfont.language());
301 if (newfont.color() == color() && toggleall)
302 setColor(LColor::inherit); // toggle 'back'
303 else if (newfont.color() != LColor::ignore)
304 setColor(newfont.color());
308 /// Reduce font to fall back to template where possible
309 void LyXFont::reduce(LyXFont const & tmplt)
311 if (family() == tmplt.family())
312 setFamily(INHERIT_FAMILY);
313 if (series() == tmplt.series())
314 setSeries(INHERIT_SERIES);
315 if (shape() == tmplt.shape())
316 setShape(INHERIT_SHAPE);
317 if (size() == tmplt.size())
318 setSize(INHERIT_SIZE);
319 if (emph() == tmplt.emph())
321 if (underbar() == tmplt.underbar())
322 setUnderbar(INHERIT);
323 if (noun() == tmplt.noun())
325 if (latex() == tmplt.latex())
327 if (color() == tmplt.color())
328 setColor(LColor::inherit);
332 /// Realize font from a template
333 LyXFont & LyXFont::realize(LyXFont const & tmplt)
335 if (bits == inherit) {
340 if (bits.family == INHERIT_FAMILY) {
341 bits.family = tmplt.bits.family;
343 if (bits.series == INHERIT_SERIES) {
344 bits.series = tmplt.bits.series;
346 if (bits.shape == INHERIT_SHAPE) {
347 bits.shape = tmplt.bits.shape;
349 if (bits.size == INHERIT_SIZE) {
350 bits.size = tmplt.bits.size;
352 if (bits.emph == INHERIT) {
353 bits.emph = tmplt.bits.emph;
355 if (bits.underbar == INHERIT) {
356 bits.underbar = tmplt.bits.underbar;
358 if (bits.noun == INHERIT) {
359 bits.noun = tmplt.bits.noun;
361 if (bits.latex == INHERIT) {
362 bits.latex = tmplt.bits.latex;
364 if (bits.color == LColor::inherit) {
365 bits.color = tmplt.bits.color;
372 /// Is font resolved?
373 bool LyXFont::resolved() const
375 return (family() != INHERIT_FAMILY && series() != INHERIT_SERIES &&
376 shape() != INHERIT_SHAPE && size() != INHERIT_SIZE &&
377 emph() != INHERIT && underbar() != INHERIT &&
378 noun() != INHERIT && latex() != INHERIT &&
379 color() != LColor::inherit);
383 /// Build GUI description of font state
384 string const LyXFont::stateText(BufferParams * params) const
386 //#ifdef HAVE_SSTREAM
387 std::ostringstream ost;
390 // ostrstream ost(str, 1024);
392 if (family() != INHERIT_FAMILY)
393 ost << _(GUIFamilyNames[family()]) << ", ";
394 if (series() != INHERIT_SERIES)
395 ost << _(GUISeriesNames[series()]) << ", ";
396 if (shape() != INHERIT_SHAPE)
397 ost << _(GUIShapeNames[shape()]) << ", ";
398 if (size() != INHERIT_SIZE)
399 ost << _(GUISizeNames[size()]) << ", ";
400 if (color() != LColor::inherit)
401 ost << lcolor.getGUIName(color()) << ", ";
402 if (emph() != INHERIT)
403 ost << _("Emphasis ")
404 << _(GUIMiscNames[emph()]) << ", ";
405 if (underbar() != INHERIT)
406 ost << _("Underline ")
407 << _(GUIMiscNames[underbar()]) << ", ";
408 if (noun() != INHERIT)
409 ost << _("Noun ") << _(GUIMiscNames[noun()]) << ", ";
410 if (latex() != INHERIT)
411 ost << _("Latex ") << _(GUIMiscNames[latex()]) << ", ";
413 ost << _("Default") << ", ";
414 if (!params || (language() != params->language_info &&
415 language()->lang() != "default"))
416 ost << _("Language: ") << _(language()->display().c_str());
417 //#ifdef HAVE_SSTREAM
418 string buf(ost.str().c_str());
421 // string buf(ost.str());
423 buf = strip(buf, ' ');
424 buf = strip(buf, ',');
429 // Set family according to lyx format string
430 LyXFont & LyXFont::setLyXFamily(string const & fam)
432 string s = lowercase(fam);
435 while (s != LyXFamilyNames[i] && LyXFamilyNames[i] != "error") ++i;
436 if (s == LyXFamilyNames[i]) {
437 setFamily(LyXFont::FONT_FAMILY(i));
439 lyxerr << "LyXFont::setLyXFamily: Unknown family `"
440 << s << '\'' << endl;
445 // Set series according to lyx format string
446 LyXFont & LyXFont::setLyXSeries(string const & ser)
448 string s = lowercase(ser);
451 while (s != LyXSeriesNames[i] && LyXSeriesNames[i] != "error") ++i;
452 if (s == LyXSeriesNames[i]) {
453 setSeries(LyXFont::FONT_SERIES(i));
455 lyxerr << "LyXFont::setLyXSeries: Unknown series `"
456 << s << '\'' << endl;
461 // Set shape according to lyx format string
462 LyXFont & LyXFont::setLyXShape(string const & sha)
464 string s = lowercase(sha);
467 while (s != LyXShapeNames[i] && LyXShapeNames[i] != "error") ++i;
468 if (s == LyXShapeNames[i]) {
469 setShape(LyXFont::FONT_SHAPE(i));
471 lyxerr << "LyXFont::setLyXShape: Unknown shape `"
472 << s << '\'' << endl;
477 // Set size according to lyx format string
478 LyXFont & LyXFont::setLyXSize(string const & siz)
480 string s = lowercase(siz);
482 while (s != LyXSizeNames[i] && LyXSizeNames[i] != "error") ++i;
483 if (s == LyXSizeNames[i]) {
484 setSize(LyXFont::FONT_SIZE(i));
486 lyxerr << "LyXFont::setLyXSize: Unknown size `"
487 << s << '\'' << endl;
492 // Set size according to lyx format string
493 LyXFont::FONT_MISC_STATE LyXFont::setLyXMisc(string const & siz)
495 string s = lowercase(siz);
497 while (s != LyXMiscNames[i] && LyXMiscNames[i] != "error") ++i;
498 if (s == LyXMiscNames[i])
499 return FONT_MISC_STATE(i);
500 lyxerr << "LyXFont::setLyXMisc: Unknown misc flag `"
501 << s << '\'' << endl;
506 /// Sets color after LyX text format
507 LyXFont & LyXFont::setLyXColor(string const & col)
509 setColor(lcolor.getFromLyXName(col));
514 /// Sets size after GUI name
515 LyXFont & LyXFont::setGUISize(string const & siz)
517 // CHECK this might be wrong.
519 // this is how it was how it was done in the lyx repository...
520 // but this does not make sense.
521 setColor(lcolor.getFromGUIName(siz));
526 // Returns size in latex format
527 string const LyXFont::latexSize() const
529 return LaTeXSizeNames[size()];
533 // Read a font definition from given file in lyx format
535 LyXFont & LyXFont::lyxRead(LyXLex & lex)
538 bool finished = false;
539 while (!finished && lex.IsOK() && !error) {
541 string tok = lowercase(lex.GetString());
545 } else if (tok == "endfont") {
547 } else if (tok == "family") {
549 string tok = lex.GetString();
551 } else if (tok == "series") {
553 string tok = lex.GetString();
555 } else if (tok == "shape") {
557 string tok = lex.GetString();
559 } else if (tok == "size") {
561 string tok = lex.GetString();
563 } else if (tok == "latex") {
565 string tok = lowercase(lex.GetString());
567 if (tok == "no_latex") {
569 } else if (tok == "latex") {
572 lex.printError("Illegal LaTeX type`$$Token'");
574 } else if (tok == "misc") {
576 string tok = lowercase(lex.GetString());
578 if (tok == "no_bar") {
580 } else if (tok == "no_emph") {
582 } else if (tok == "no_noun") {
584 } else if (tok == "emph") {
586 } else if (tok == "underbar") {
588 } else if (tok == "noun") {
591 lex.printError("Illegal misc type `$$Token´");
593 } else if (tok == "color") {
595 string tok = lex.GetString();
598 lex.printError("Unknown tag `$$Token'");
606 /// Writes the changes from this font to orgfont in .lyx format in file
607 void LyXFont::lyxWriteChanges(LyXFont const & orgfont, ostream & os) const
610 if (orgfont.family() != family()) {
611 os << "\\family " << LyXFamilyNames[family()] << " \n";
613 if (orgfont.series() != series()) {
614 os << "\\series " << LyXSeriesNames[series()] << " \n";
616 if (orgfont.shape() != shape()) {
617 os << "\\shape " << LyXShapeNames[shape()] << " \n";
619 if (orgfont.size() != size()) {
620 os << "\\size " << LyXSizeNames[size()] << " \n";
622 if (orgfont.emph() != emph()) {
623 os << "\\emph " << LyXMiscNames[emph()] << " \n";
625 if (orgfont.underbar() != underbar()) {
626 // This is only for backwards compatibility
627 switch (underbar()) {
628 case OFF: os << "\\bar no \n"; break;
629 case ON: os << "\\bar under \n"; break;
630 case TOGGLE: lyxerr << "LyXFont::lyxWriteFontChanges: "
631 "TOGGLE should not appear here!"
634 case INHERIT: os << "\\bar default \n"; break;
635 case IGNORE: lyxerr << "LyXFont::lyxWriteFontChanges: "
636 "IGNORE should not appear here!"
641 if (orgfont.noun() != noun()) {
642 os << "\\noun " << LyXMiscNames[noun()] << " \n";
644 if (orgfont.latex() != latex()) {
645 // This is only for backwards compatibility
647 case OFF: os << "\\latex no_latex \n"; break;
648 case ON: os << "\\latex latex \n"; break;
649 case TOGGLE: lyxerr << "LyXFont::lyxWriteFontChanges: "
650 "TOGGLE should not appear here!"
653 case INHERIT: os << "\\latex default \n"; break;
654 case IGNORE: lyxerr << "LyXFont::lyxWriteFontChanges: "
655 "IGNORE should not appear here!"
660 if (orgfont.color() != color()) {
661 // To make us file compatible with older
662 // lyx versions we emit "default" instead
664 string col_str(lcolor.getLyXName(color()));
665 if (col_str == "inherit") col_str = "default";
666 os << "\\color " << col_str << "\n";
668 if (orgfont.language() != language() &&
669 language()->lang() != "default") {
671 os << "\\lang " << language()->lang() << "\n";
673 os << "\\lang unknown\n";
678 /// Writes the head of the LaTeX needed to impose this font
679 // Returns number of chars written.
680 int LyXFont::latexWriteStartChanges(ostream & os, LyXFont const & base,
681 LyXFont const & prev) const
686 if (language() != base.language() && language() != prev.language() &&
687 language()->lang() != "default") {
688 if (isRightToLeft() != prev.isRightToLeft()) {
689 if (isRightToLeft()) {
692 env = true; //We have opened a new environment
696 env = true; //We have opened a new environment
700 subst(lyxrc.language_command_begin,
701 "$$lang", language()->lang());
703 count += tmp.length();
704 env = true; //We have opened a new environment
711 if (f.family() != INHERIT_FAMILY) {
713 << LaTeXFamilyNames[f.family()]
715 count += strlen(LaTeXFamilyNames[f.family()]) + 2;
716 env = true; //We have opened a new environment
718 if (f.series() != INHERIT_SERIES) {
720 << LaTeXSeriesNames[f.series()]
722 count += strlen(LaTeXSeriesNames[f.series()]) + 2;
723 env = true; //We have opened a new environment
725 if (f.shape() != INHERIT_SHAPE) {
727 << LaTeXShapeNames[f.shape()]
729 count += strlen(LaTeXShapeNames[f.shape()]) + 2;
730 env = true; //We have opened a new environment
732 if (f.color() != LColor::inherit && f.color() != LColor::ignore) {
734 << lcolor.getLaTeXName(f.color())
736 count += lcolor.getLaTeXName(f.color()).length() + 13;
737 env = true; //We have opened a new environment
739 if (f.emph() == ON) {
742 env = true; //We have opened a new environment
744 if (f.underbar() == ON) {
747 env = true; //We have opened a new environment
749 // \noun{} is a LyX special macro
750 if (f.noun() == ON) {
753 env = true; //We have opened a new environment
755 if (f.size() != INHERIT_SIZE) {
756 // If we didn't open an environment above, we open one here
762 << LaTeXSizeNames[f.size()]
764 count += strlen(LaTeXSizeNames[f.size()]) + 2;
770 /// Writes ending block of LaTeX needed to close use of this font
771 // Returns number of chars written
772 // This one corresponds to latexWriteStartChanges(). (Asger)
773 int LyXFont::latexWriteEndChanges(ostream & os, LyXFont const & base,
774 LyXFont const & next) const
779 if (language() != base.language() && language() != next.language()
780 && language()->lang() != "default") {
783 env = true; // Size change need not bother about closing env.
786 LyXFont f = *this; // why do you need this?
787 f.reduce(base); // why isn't this just "reduce(base);" (Lgb)
788 // Because this function is const. Everything breaks if this
789 // method changes the font it represents. There is no speed penalty
790 // by using the temporary. (Asger)
792 if (f.family() != INHERIT_FAMILY) {
795 env = true; // Size change need not bother about closing env.
797 if (f.series() != INHERIT_SERIES) {
800 env = true; // Size change need not bother about closing env.
802 if (f.shape() != INHERIT_SHAPE) {
805 env = true; // Size change need not bother about closing env.
807 if (f.color() != LColor::inherit && f.color() != LColor::ignore) {
810 env = true; // Size change need not bother about closing env.
812 if (f.emph() == ON) {
815 env = true; // Size change need not bother about closing env.
817 if (f.underbar() == ON) {
820 env = true; // Size change need not bother about closing env.
822 if (f.noun() == ON) {
825 env = true; // Size change need not bother about closing env.
827 if (f.size() != INHERIT_SIZE) {
828 // We only have to close if only size changed
839 LColor::color LyXFont::realColor() const
842 return LColor::latex;
843 if (color() == LColor::none)
844 return LColor::foreground;
849 // Convert logical attributes to concrete shape attribute
850 LyXFont::FONT_SHAPE LyXFont::realShape() const
852 register FONT_SHAPE s = shape();
866 bool LyXFont::equalExceptLatex(LyXFont const & f) const
869 f1.setLatex(f.latex());
874 ostream & operator<<(ostream & o, LyXFont::FONT_MISC_STATE fms)
876 return o << int(fms);