1 /* This file is part of
2 * ======================================================
4 * LyX, The Document Processor
6 * Copyright 1995 Matthias Ettrich
7 * Copyright 1995-1999 The LyX Team.
9 * ====================================================== */
14 #pragma implementation
17 #include "insetlatexaccent.h"
21 #include "support/lstrings.h"
25 /* LatexAccent. Proper handling of accented characters */
26 /* This part is done by Ivan Schreter, schreter@ccsun.tuke.sk */
27 /* Later modified by Lars G. Bjonnes, larsbj@ifi.uio.no */
29 InsetLatexAccent::InsetLatexAccent()
35 InsetLatexAccent::InsetLatexAccent(InsetLatexAccent const & other)
36 : contents(other.contents),
37 candisp(other.candisp),
38 modtype(other.modtype),
40 plusasc(other.plusasc),
41 plusdesc(other.plusdesc),
46 InsetLatexAccent::InsetLatexAccent(string const & string)
53 void InsetLatexAccent::checkContents()
54 // check, if we know the modifier and can display it ok on screen
58 if (contents.empty() || contents.length() < 2) return;
61 // Dirty Hack for backward compability. remove in 0.13 (Lgb)
62 contents = frontStrip(strip(contents));
63 if (!contains(contents, "{") && !contains(contents, "}")) {
64 if (contents.length() == 2) {
70 } else if (contents.length() == 3) {
78 } else if (contents.length() == 4 && contents[2] == ' ') {
86 } else if (contents.length() == 4 && contents[2] == '\\'
87 && (contents[3] == 'i' || contents[3] == 'j')) {
98 if (contents[0] != '\\') return; // demand that first char is a '\\'
100 lyxerr.debug() << "Decode: " << contents << endl;
102 remdot = false; plusasc = false; plusdesc = false;
104 switch (contents[1]) { // second char should be one of these
106 modtype = ACUTE; // acute
107 plusasc = true; // at the top of character
110 modtype = GRAVE; // grave
111 plusasc = true; // at the top
114 modtype = MACRON; // macron
115 plusasc = true; // at the top
118 modtype = TILDE; // tilde
119 plusasc = true; // at the top
121 case 'b': // underbar
122 modtype = UNDERBAR; // underbar
123 plusdesc = true; // at the bottom
126 modtype = CEDILLA; // cedilla
127 plusdesc = true; // at the bottom
129 case 'd': // underdot
130 modtype = UNDERDOT; // underdot
131 plusdesc = true; // at the bottom
134 modtype = CIRCLE; // circle
135 plusasc = true; // at the top
138 modtype = TIE; // tie
139 plusasc = true; // at the top
142 modtype = BREVE; // breve
143 plusasc = true; // at the top
146 modtype = CARON; // caron
147 plusasc = true; // at the top
149 case 'q': // special caron
150 modtype = SPECIAL_CARON; // special caron
151 plusasc = true; // at the top
153 case 'H': // hungarian umlaut
154 modtype = HUNGARIAN_UMLAUT; // hungarian umlaut
155 plusasc = true; // at the top
158 modtype = UMLAUT; // umlaut
159 plusasc = true; // at the top
162 modtype = DOT; // dot
163 plusasc = true; // at the top
165 case '^': // circumflex
166 modtype = CIRCUMFLEX; // circumflex
167 plusasc = true; // at the top
170 modtype = OGONEK; // ogonek
173 case 'i': // dot-less-i
174 modtype = DOT_LESS_I; // dot-less-i
175 plusasc = true; // at the top (not really needed)
178 case 'j': // dot-less-j
179 modtype = DOT_LESS_J; // dot-less-j
180 plusasc = true; // at the top (not really needed)
185 plusasc = true; // at the top (not really needed)
189 plusasc = true; // at the top (not really needed)
192 printf ("Default\n");
193 // unknow accent (or something else)
197 // we demand that third char is a '{' (Lgb)
198 if (contents[2] != '{') return;
200 // special clause for \i{}, \j{} \l{} and \L{}
201 if ((modtype == DOT_LESS_I || modtype == DOT_LESS_J
202 || modtype == lSLASH || modtype == LSLASH)
203 && contents[3] == '}' ) {
205 case DOT_LESS_I: ic = 'i'; break;
206 case DOT_LESS_J: ic = 'j'; break;
207 case lSLASH: ic = 'l'; break;
208 case LSLASH: ic = 'L'; break;
210 // if this happens something is really wrong
211 lyxerr << "InsetLaTexAccent: weird error." << endl;
214 //ic = (modtype == DOT_LESS_J ? 'j' : 'i');
215 lyxerr.debug() << "Contents: [" << contents << "]"
217 << ", top: " << plusasc
218 << ", bot: " << plusdesc
219 << ", dot: " << remdot
220 << ", mod: " << modtype << endl;
221 // Special case for space
222 } else if (contents[3] == '}') {
228 ic = contents[3]; // i will always be 3 here
230 // ic should now be a alfa-char or '\\'
232 ic = contents[++i]; // will only allow \<foo>{\i} and \<foo>{\j}
233 if (ic == 'i' || ic == 'j')
237 } else if ( (ic == 'i'|| ic == 'j') && contents[4] == '}') {
238 // Do a rewrite: \<foo>{i} --> \<foo>{\i}
239 string temp = contents;
240 temp.erase(3, string::npos);
243 for(string::size_type j = 4; j < contents.length(); ++j)
250 // demand a '}' at the end
251 if (contents[++i] != '}' && contents[++i]) return;
253 // fine, the char is properly decoded now (hopefully)
254 lyxerr.debug() << "Contents: [" << contents << "]"
256 << ", top: " << plusasc
257 << ", bot: " << plusdesc
258 << ", dot: " << remdot
259 << ", mod: " << modtype << endl;
265 int InsetLatexAccent::Ascent(LyXFont const & font) const
270 max = font.ascent('a');
272 max = font.ascent(ic);
274 max += (font.maxAscent() + 3) / 3;
276 max = font.maxAscent() + 4;
281 int InsetLatexAccent::Descent(LyXFont const & font) const
286 max = font.descent('a');
288 max = font.descent(ic);
292 max = font.maxDescent() + 4;
297 int InsetLatexAccent::Width(LyXFont const & font) const
300 return font.textWidth(&ic, 1);
302 return font.stringWidth(contents) + 4;
306 bool InsetLatexAccent::DisplayISO8859_9(LyXFont font,
311 unsigned char tmpic = ic;
316 if (ic == 'c') tmpic = 0xe7;
317 if (ic == 'C') tmpic = 0xc7;
318 if (ic == 's') tmpic = 0xfe;
319 if (ic == 'S') tmpic = 0xde;
323 { if (ic == 'g') tmpic = 0xf0;
324 if (ic == 'G') tmpic = 0xd0;
329 if (ic == 'o') tmpic = 0xf6;
330 if (ic == 'O') tmpic = 0xd6;
331 if (ic == 'u') tmpic = 0xfc;
332 if (ic == 'U') tmpic = 0xdc;
335 case DOT: if (ic == 'I') tmpic = 0xdd; break;
336 case DOT_LESS_I: tmpic = 0xfd; break;
337 default: return false;
340 char ch = char(tmpic);
341 scr.drawText(font, &ch, 1, baseline, int(x));
350 void InsetLatexAccent::Draw(LyXFont font,
355 if (lyxrc->font_norm == "iso8859-9")
356 if (DisplayISO8859_9 (font, scr, baseline, x))
362 int asc = Ascent(font);
363 int desc = Descent(font);
364 int wid = Width(font);
365 float x2 = x + float(wid/2);
370 hg = font.maxDescent();
373 if (font.shape() == LyXFont::ITALIC_SHAPE) x2 += (4*hg)/5; // italic
380 hg35 = float(hg*3)/5;
382 // display with proper accent mark
384 scr.drawText(font, &ic, 1, baseline, int(x));
386 GC pgc = GetAccentGC(font, (hg+3)/5);
389 int tmpvar = baseline - font.ascent('i');
391 if (font.shape() == LyXFont::ITALIC_SHAPE) tmpx += (8*hg)/10; // italic
392 lyxerr.debug() << "Removing dot." << endl;
393 // remove the dot first
394 scr.fillRectangle(gc_clear, int(x + tmpx),
400 // now the rest - draw within (x, y, x+wid, y+hg)
404 scr.drawLine(pgc, int(x2), int(y+hg35),
410 scr.drawLine(pgc, int(x2), int(y+hg35),
414 case MACRON: // macron
417 int(x2-(3*wid/7)), int(y+(hg/2) + hg35),
418 int(x2+(3*wid/7)), int(y+(hg/2) + hg35));
423 if (hg35 > 2) --hg35;
426 p[0].x = int(x2 - 2*hg35); p[0].y = int(y + hg);
427 p[1].x = int(x2 - hg35); p[1].y = int(y + hg35);
428 p[2].x = int(x2); p[2].y = int(y + hg);
429 p[3].x = int(x2 + hg35); p[3].y = int(y + hg35);
430 scr.drawLines(pgc, p, 4);
433 case UNDERBAR: // underbar
436 int(x2-(3*wid/7)), y+(hg/2),
437 int(x2+(3*wid/7)), y+(hg/2));
440 case CEDILLA: // cedilla
443 p[0].x = int(x2); p[0].y = y;
444 p[1].x = int(x2); p[1].y = y + (hg/3);
445 p[2].x = int(x2 + (hg/3)); p[2].y = y + (hg/2);
446 p[3].x = int(x2 - (hg/4)); p[3].y = y + hg;
447 scr.drawLines(pgc, p, 4);
450 case UNDERDOT: // underdot
453 scr.drawArc(pgc, int(x2), y+(hg/2),
457 case CIRCLE: // circle
459 scr.drawArc(pgc, int(x2-(hg/2)), y, hg, hg, 0,
473 int(x2-(hg/2)), y-(hg/4),
480 p[0].x = int(x2 - hg35); p[0].y = y;
481 p[1].x = int(x2); p[1].y = int(y+hg35);
482 p[2].x = int(x2 + hg35); p[2].y = y;
483 scr.drawLines(pgc, p, 3);
486 case SPECIAL_CARON: // special caron
489 case 'L': wid = 4*wid/5; break;
490 case 't': y -= int(hg35/2); break;
493 p[0].x = int(x+wid); p[0].y = int(y+hg35+hg);
494 p[1].x = int(x+wid+(hg35/2)); p[1].y = int(y+ hg+(hg35/2));
495 p[2].x = int(x+wid+(hg35/2)); p[2].y = y + hg;
496 scr.drawLines(pgc, p, 3);
499 case HUNGARIAN_UMLAUT: // hung. umlaut
502 s[0].x1= int(x2-(hg/2)); s[0].y1 = int(y + hg35);
503 s[0].x2= int(x2+hg35-(hg/2)); s[0].y2 = y;
504 s[1].x1= int(x2+(hg/2)); s[1].y1 = int(y + hg35);
505 s[1].x2= int(x2+hg35+(hg/2)); s[1].y2 = y;
507 scr.drawSegments(pgc, s, 2);
510 case UMLAUT: // umlaut
513 tmpadd += (remdot) ? ((19*hg)/10) : ((20*hg)/27); // if (remdot) -> i or j
514 int rad = ((hg*4)/8);
516 scr.drawPoint(pgc, int(x2-((4*hg)/7)), tmpadd);
517 scr.drawPoint(pgc, int(x2+((4*hg)/7)), tmpadd);
519 scr.drawArc(pgc, int(x2-((2*hg)/4)), tmpadd,
520 rad-1, rad-1, 0, 360*64);
521 scr.drawArc(pgc, int(x2+((2*hg)/4)), tmpadd,
522 rad-1, rad-1, 0, 360*64);
526 case CIRCUMFLEX: // circumflex
529 p[0].x = int(x2 - hg35); p[0].y = y + hg;
530 p[1].x = int(x2); p[1].y = int(y + hg35);
531 p[2].x = int(x2 + hg35); p[2].y = y + hg;
532 scr.drawLines(pgc, p, 3);
535 case OGONEK: // ogonek
537 // this does probably not look like an ogonek, so
538 // it should certainly be refined
540 p[0].x = int(x2); p[0].y = y;
541 p[1].x = int(x2); p[1].y = y + (hg/3);
542 p[2].x = int(x2 - (hg/3)); p[2].y = y + (hg/2);
543 p[3].x = int(x2 + (hg/4)); p[3].y = y + hg;
544 scr.drawLines(pgc, p, 4);
551 p[0].x = int(x); p[0].y = y+3*hg;
552 p[1].x = int(x+float(wid)*.75); p[1].y = y+hg;
553 scr.drawLines(pgc, p, 2);
556 case DOT_LESS_I: // dotless-i
557 case DOT_LESS_J: // dotless-j
559 // nothing to do for these
564 scr.fillRectangle(gc_lighted,
565 int(x+1), baseline - Ascent(font)+1,
567 Ascent(font)+Descent(font)-2);
569 scr.drawRectangle(gc_lighted,
570 int(x), baseline - Ascent(font),
572 Ascent(font)+Descent(font)-1);
573 scr.drawString(font, contents, baseline, int(x+2));
579 void InsetLatexAccent::Write(ostream & os)
581 os << "\\i " << contents << "\n";
585 void InsetLatexAccent::Read(LyXLex & lex)
588 contents = lex.GetString();
593 int InsetLatexAccent::Latex(ostream & os, signed char /*fragile*/)
600 int InsetLatexAccent::Latex(string & file, signed char /*fragile*/)
607 int InsetLatexAccent::Linuxdoc(string & file)
614 int InsetLatexAccent::DocBook(string & file)
621 bool InsetLatexAccent::Deletable() const
627 bool InsetLatexAccent::DirectWrite() const
633 Inset * InsetLatexAccent::Clone() const
635 return new InsetLatexAccent(contents);
639 Inset::Code InsetLatexAccent::LyxCode() const
641 return Inset::ACCENT_CODE;
645 ostream & operator<<(ostream & o, InsetLatexAccent::ACCENT_TYPES at)