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cd424d7853
Create new files for each output format. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@8046 a592a061-630c-0410-9148-cb99ea01b6c8
651 lines
15 KiB
C
651 lines
15 KiB
C
/**
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* \file insetlatexaccent.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 Lars Gullik Bjønnes
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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 "insetlatexaccent.h"
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#include "debug.h"
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#include "language.h"
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#include "LColor.h"
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#include "lyxlex.h"
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#include "lyxrc.h"
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#include "metricsinfo.h"
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#include "frontends/font_metrics.h"
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#include "frontends/Painter.h"
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#include "support/lstrings.h"
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using lyx::support::contains;
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using lyx::support::trim;
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using std::endl;
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using std::string;
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using std::auto_ptr;
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using std::ostream;
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/* LatexAccent. Proper handling of accented characters */
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/* This part is done by Ivan Schreter, schreter@ccsun.tuke.sk */
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/* Later modified by Lars G. Bjønnes, larsbj@lyx.org */
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InsetLatexAccent::InsetLatexAccent()
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: candisp(false)
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{}
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InsetLatexAccent::InsetLatexAccent(string const & str)
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: contents(str)
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{
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checkContents();
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}
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auto_ptr<InsetBase> InsetLatexAccent::clone() const
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{
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return auto_ptr<InsetBase>(new InsetLatexAccent(contents));
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}
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void InsetLatexAccent::checkContents()
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// check, if we know the modifier and can display it ok on screen
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{
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candisp = false;
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if (contents.empty() || contents.length() < 2) {
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lyxerr[Debug::KEY] << "Cannot decode: " << contents << endl;
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return;
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}
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// REMOVE IN 0.13
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// Dirty Hack for backward compability. remove in 0.13 (Lgb)
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contents = trim(contents);
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if (!contains(contents, "{") && !contains(contents, "}")) {
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if (contents.length() == 2) {
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string tmp;
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tmp += contents[0];
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tmp += contents[1];
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tmp += "{}";
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contents = tmp;
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} else if (contents.length() == 3) {
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string tmp;
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tmp += contents[0];
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tmp += contents[1];
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tmp += '{';
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tmp += contents[2];
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tmp += '}';
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contents = tmp;
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} else if (contents.length() == 4 && contents[2] == ' ') {
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string tmp;
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tmp += contents[0];
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tmp += contents[1];
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tmp += '{';
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tmp += contents[3];
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tmp += '}';
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contents = tmp;
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} else if (contents.length() == 4 && contents[2] == '\\'
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&& (contents[3] == 'i' || contents[3] == 'j')) {
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string tmp;
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tmp += contents[0];
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tmp += contents[1];
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tmp += '{';
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tmp += contents[2];
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tmp += contents[3];
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tmp += '}';
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contents = tmp;
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}
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}
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if (contents[0] != '\\') { // demand that first char is a '\\'
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lyxerr[Debug::KEY] << "Cannot decode: " << contents << endl;
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return;
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}
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lyxerr[Debug::KEY] << "Decode: " << contents << endl;
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remdot = false;
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plusasc = false;
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plusdesc = false;
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switch (contents[1]) { // second char should be one of these
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case '\'': // acute
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modtype = ACUTE; // acute
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plusasc = true; // at the top of character
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break;
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case '`': // grave
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modtype = GRAVE; // grave
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plusasc = true; // at the top
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break;
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case '=': // macron
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modtype = MACRON; // macron
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plusasc = true; // at the top
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break;
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case '~': // tilde
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modtype = TILDE; // tilde
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plusasc = true; // at the top
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break;
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case 'b': // underbar
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modtype = UNDERBAR; // underbar
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plusdesc = true; // at the bottom
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break;
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case 'c': // cedilla
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modtype = CEDILLA; // cedilla
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plusdesc = true; // at the bottom
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break;
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case 'd': // underdot
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modtype = UNDERDOT; // underdot
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plusdesc = true; // at the bottom
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break;
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case 'r': // circle
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modtype = CIRCLE; // circle
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plusasc = true; // at the top
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break;
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case 't': // tie
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modtype = TIE; // tie
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plusasc = true; // at the top
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break;
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case 'u': // breve
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modtype = BREVE; // breve
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plusasc = true; // at the top
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break;
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case 'v': // caron
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modtype = CARON; // caron
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plusasc = true; // at the top
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break;
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case 'q': // special caron
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modtype = SPECIAL_CARON; // special caron
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plusasc = true; // at the top
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break;
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case 'H': // hungarian umlaut
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modtype = HUNGARIAN_UMLAUT; // hungarian umlaut
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plusasc = true; // at the top
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break;
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case '"': // umlaut
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modtype = UMLAUT; // umlaut
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plusasc = true; // at the top
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break;
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case '.': // dot
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modtype = DOT; // dot
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plusasc = true; // at the top
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break;
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case '^': // circumflex
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modtype = CIRCUMFLEX; // circumflex
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plusasc = true; // at the top
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break;
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case 'k': // ogonek
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modtype = OGONEK; // ogonek
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plusdesc = true;
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break;
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case 'i': // dot-less-i
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modtype = DOT_LESS_I; // dot-less-i
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plusasc = true; // at the top (not really needed)
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remdot = true;
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break;
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case 'j': // dot-less-j
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modtype = DOT_LESS_J; // dot-less-j
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plusasc = true; // at the top (not really needed)
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remdot = true;
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break;
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case 'l': // lslash
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modtype = lSLASH;
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plusasc = true; // at the top (not really needed)
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break;
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case 'L': // lslash
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modtype = LSLASH;
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plusasc = true; // at the top (not really needed)
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break;
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default:
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lyxerr[Debug::KEY] << "Default" << endl;
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// unknow accent (or something else)
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return;
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}
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// we demand that third char is a '{' (Lgb)
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if (contents[2] != '{') return;
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// special clause for \i{}, \j{} \l{} and \L{}
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if ((modtype == DOT_LESS_I || modtype == DOT_LESS_J
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|| modtype == lSLASH || modtype == LSLASH)
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&& contents[3] == '}') {
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switch (modtype) {
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case DOT_LESS_I: ic = 'i'; break;
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case DOT_LESS_J: ic = 'j'; break;
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case lSLASH: ic = 'l'; break;
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case LSLASH: ic = 'L'; break;
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default:
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// if this happens something is really wrong
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lyxerr << "InsetLaTexAccent: weird error." << endl;
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break;
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}
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//ic = (modtype == DOT_LESS_J ? 'j' : 'i');
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lyxerr[Debug::KEY] << "Contents: [" << contents << ']'
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<< ", ic: " << ic
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<< ", top: " << plusasc
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<< ", bot: " << plusdesc
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<< ", dot: " << remdot
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<< ", mod: " << modtype << endl;
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// Special case for space
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} else if (contents[3] == '}') {
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ic = ' ';
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} else {
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int i = 3;
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// now get the char
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ic = contents[3]; // i will always be 3 here
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// ic should now be a alfa-char or '\\'
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if (ic == '\\') {
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ic = contents[++i]; // will only allow \<foo>{\i} and \<foo>{\j}
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if (ic == 'i' || ic == 'j')
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remdot = true;
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else
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return;
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} else if ((ic == 'i'|| ic == 'j') && contents[4] == '}') {
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// Do a rewrite: \<foo>{i} --> \<foo>{\i}
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string temp = contents;
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temp.erase(3, string::npos);
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temp += '\\';
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temp += char(ic);
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for (string::size_type j = 4;
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j < contents.length(); ++j)
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temp+= contents[j];
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contents= temp;
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++i;
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remdot = true;
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}
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// demand a '}' at the end
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if (contents[++i] != '}' && contents[++i]) return;
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// fine, the char is properly decoded now (hopefully)
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lyxerr[Debug::KEY] << "Contents: [" << contents << ']'
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<< ", ic: " << ic
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<< ", top: " << plusasc
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<< ", bot: " << plusdesc
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<< ", dot: " << remdot
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<< ", mod: " << modtype << endl;
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}
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candisp = true;
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}
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void InsetLatexAccent::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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LyXFont & font = mi.base.font;
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// This function is a bit too simplistic and is just a
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// "try to make a fit for all accents" approach, to
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// make it better we need to know what kind of accent is
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// used and add to max based on that.
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if (candisp) {
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if (ic == ' ')
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dim.asc = font_metrics::ascent('a', font);
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else
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dim.asc = font_metrics::ascent(ic, font);
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if (plusasc)
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dim.asc += (font_metrics::maxAscent(font) + 3) / 3;
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if (ic == ' ')
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dim.des = font_metrics::descent('a', font);
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else
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dim.des = font_metrics::descent(ic, font);
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if (plusdesc)
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dim.des += 3;
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dim.wid = font_metrics::width(ic, font);
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} else {
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dim.asc = font_metrics::maxAscent(font) + 4;
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dim.des = font_metrics::maxDescent(font) + 4;
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dim.wid = font_metrics::width(contents, font) + 4;
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}
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dim_ = dim;
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}
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int InsetLatexAccent::lbearing(LyXFont const & font) const
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{
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return font_metrics::lbearing(ic, font);
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}
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int InsetLatexAccent::rbearing(LyXFont const & font) const
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{
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return font_metrics::rbearing(ic, font);
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}
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bool InsetLatexAccent::displayISO8859_9(PainterInfo & pi, int x, int y) const
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{
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unsigned char tmpic = ic;
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switch (modtype) {
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case CEDILLA: {
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if (ic == 'c') tmpic = 0xe7;
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if (ic == 'C') tmpic = 0xc7;
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if (ic == 's') tmpic = 0xfe;
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if (ic == 'S') tmpic = 0xde;
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break;
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}
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case BREVE: {
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if (ic == 'g') tmpic = 0xf0;
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if (ic == 'G') tmpic = 0xd0;
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break;
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}
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case UMLAUT: {
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if (ic == 'o') tmpic = 0xf6;
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if (ic == 'O') tmpic = 0xd6;
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if (ic == 'u') tmpic = 0xfc;
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if (ic == 'U') tmpic = 0xdc;
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break;
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}
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case DOT:
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if (ic == 'I') tmpic = 0xdd;
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break;
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case DOT_LESS_I:
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tmpic = 0xfd;
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break;
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default:
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return false;
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}
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if (tmpic == ic)
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return false;
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pi.pain.text(x, y, char(tmpic), pi.base.font);
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return true;
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}
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void InsetLatexAccent::drawAccent(PainterInfo const & pi, int x, int y,
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char accent) const
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{
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LyXFont const & font = pi.base.font;
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x -= font_metrics::center(accent, font);
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y -= font_metrics::ascent(ic, font);
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y -= font_metrics::descent(accent, font);
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y -= font_metrics::height(accent, font) / 2;
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pi.pain.text(x, y, accent, font);
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}
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void InsetLatexAccent::draw(PainterInfo & pi, int x, int baseline) const
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{
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if (lyxrc.font_norm_type == LyXRC::ISO_8859_9)
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if (displayISO8859_9(pi, x, baseline))
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return;
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// All the manually drawn accents in this function could use an
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// overhaul. Different ways of drawing (what metrics to use)
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// should also be considered.
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LyXFont font = pi.base.font;
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if (lyxrc.font_norm_type == LyXRC::ISO_10646_1)
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font.setLanguage(english_language);
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if (candisp) {
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int x2 = int(x + (rbearing(font) - lbearing(font)) / 2);
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int hg;
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int y;
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if (plusasc) {
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// mark at the top
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hg = font_metrics::maxDescent(font);
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y = baseline - dim_.asc;
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if (font.shape() == LyXFont::ITALIC_SHAPE)
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x2 += int(0.8 * hg); // italic
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} else {
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// at the bottom
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hg = dim_.des;
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y = baseline;
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}
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double hg35 = hg * 0.6;
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// display with proper accent mark
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// first the letter
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pi.pain.text(x, baseline, ic, font);
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if (remdot) {
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int tmpvar = baseline - font_metrics::ascent('i', font);
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int tmpx = 0;
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if (font.shape() == LyXFont::ITALIC_SHAPE)
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tmpx += int(0.8 * hg); // italic
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lyxerr[Debug::KEY] << "Removing dot." << endl;
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// remove the dot first
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pi.pain.fillRectangle(x + tmpx, tmpvar, dim_.wid,
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font_metrics::ascent('i', pi.base.font) -
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font_metrics::ascent('x', pi.base.font) - 1,
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backgroundColor());
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// the five lines below is a simple hack to
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// make the display of accent 'i' and 'j'
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// better. It makes the accent be written
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// closer to the top of the dot-less 'i' or 'j'.
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char tmpic = ic; // store the ic when we
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ic = 'x'; // calculates the ascent of
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#warning metrics?
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int asc = ascent(); // the dot-less version (here: 'x')
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ic = tmpic; // set the orig ic back
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y = baseline - asc; // update to new y coord.
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}
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// now the rest - draw within (x, y, x + wid, y + hg)
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switch (modtype) {
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case ACUTE:
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drawAccent(pi, x2, baseline, char(0xB4));
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break;
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case GRAVE:
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drawAccent(pi, x2, baseline, char(0x60));
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break;
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case MACRON:
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drawAccent(pi, x2, baseline, char(0xAF));
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break;
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case TILDE:
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drawAccent(pi, x2, baseline, '~');
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break;
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case UNDERBAR: // underbar 0x5F
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pi.pain.text(x2 - font_metrics::center(0x5F, font), baseline,
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char(0x5F), font);
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break;
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case CEDILLA:
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pi.pain.text(x2 - font_metrics::center(0xB8, font), baseline,
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char(0xB8), font);
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break;
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case UNDERDOT:
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pi.pain.text(x2 - font_metrics::center('.', font),
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int(baseline + 1.5 * font_metrics::height('.', font)),
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'.', font);
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break;
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case DOT:
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drawAccent(pi, x2, baseline, '.');
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break;
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case CIRCLE:
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drawAccent(pi, x2, baseline, char(0xB0));
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break;
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case TIE:
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pi.pain.arc(int(x2 + hg35), y + hg / 2, 2 * hg, hg, 0, 360 * 32,
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LColor::foreground);
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break;
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case BREVE:
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pi.pain.arc(int(x2 - hg / 2), y, hg, hg, 0, -360*32,
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LColor::foreground);
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break;
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case CARON: {
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int xp[3], yp[3];
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xp[0] = int(x2 - hg35); yp[0] = int(y + hg35);
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xp[1] = int(x2); yp[1] = int(y + hg);
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xp[2] = int(x2 + hg35); yp[2] = int(y + hg35);
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pi.pain.lines(xp, yp, 3, LColor::foreground);
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break;
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}
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case SPECIAL_CARON: {
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switch (ic) {
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case 'L': dim_.wid = int(4.0 * dim_.wid / 5.0); break;
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case 't': y -= int(hg35 / 2.0); break;
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}
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int xp[3], yp[3];
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xp[0] = int(x + dim_.wid);
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yp[0] = int(y + hg35 + hg);
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xp[1] = int(x + dim_.wid + (hg35 / 2.0));
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yp[1] = int(y + hg + (hg35 / 2.0));
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xp[2] = int(x + dim_.wid + (hg35 / 2.0));
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yp[2] = y + int(hg);
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pi.pain.lines(xp, yp, 3, LColor::foreground);
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break;
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}
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case HUNGARIAN_UMLAUT:
|
||
drawAccent(pi, x2 - font_metrics::center('´', font), baseline, '´');
|
||
drawAccent(pi, x2 + font_metrics::center('´', font), baseline, '´');
|
||
break;
|
||
|
||
case UMLAUT:
|
||
drawAccent(pi, x2, baseline, '"');
|
||
break;
|
||
|
||
case CIRCUMFLEX:
|
||
drawAccent(pi, x2, baseline, 0x5E);
|
||
break;
|
||
|
||
case OGONEK: {
|
||
// this does probably not look like an ogonek, so
|
||
// it should certainly be refined
|
||
int xp[4], yp[4];
|
||
|
||
xp[0] = x2;
|
||
yp[0] = y;
|
||
|
||
xp[1] = x2;
|
||
yp[1] = y + int(hg35);
|
||
|
||
xp[2] = int(x2 - hg35);
|
||
yp[2] = y + hg / 2;
|
||
|
||
xp[3] = x2 + hg / 4;
|
||
yp[3] = y + int(hg);
|
||
|
||
pi.pain.lines(xp, yp, 4, LColor::foreground);
|
||
break;
|
||
}
|
||
|
||
case lSLASH:
|
||
case LSLASH: {
|
||
int xp[2], yp[2];
|
||
|
||
xp[0] = x;
|
||
yp[0] = y + int(3 * hg);
|
||
|
||
xp[1] = int(x + dim_.wid * 0.75);
|
||
yp[1] = y + int(hg);
|
||
|
||
pi.pain.lines(xp, yp, 2, LColor::foreground);
|
||
break;
|
||
}
|
||
|
||
case DOT_LESS_I: // dotless-i
|
||
case DOT_LESS_J: // dotless-j
|
||
// nothing to do for these
|
||
break;
|
||
}
|
||
|
||
} else {
|
||
pi.pain.fillRectangle(x + 1,
|
||
baseline - dim_.asc + 1, dim_.wid - 2,
|
||
dim_.asc + dim_.des - 2,
|
||
backgroundColor());
|
||
pi.pain.rectangle(x + 1, baseline - dim_.asc + 1,
|
||
dim_.wid - 2, dim_.asc + dim_.des - 2,
|
||
LColor::foreground);
|
||
pi.pain.text(x + 2, baseline, contents, font);
|
||
}
|
||
}
|
||
|
||
|
||
void InsetLatexAccent::write(Buffer const &, ostream & os) const
|
||
{
|
||
os << "\\i " << contents << "\n";
|
||
}
|
||
|
||
|
||
void InsetLatexAccent::read(Buffer const &, LyXLex & lex)
|
||
{
|
||
lex.eatLine();
|
||
contents = lex.getString();
|
||
checkContents();
|
||
}
|
||
|
||
|
||
int InsetLatexAccent::latex(Buffer const &, ostream & os,
|
||
OutputParams const &) const
|
||
{
|
||
os << contents;
|
||
return 0;
|
||
}
|
||
|
||
|
||
int InsetLatexAccent::plaintext(Buffer const &, ostream & os,
|
||
OutputParams const &) const
|
||
{
|
||
os << contents;
|
||
return 0;
|
||
}
|
||
|
||
|
||
int InsetLatexAccent::linuxdoc(Buffer const &, ostream & os,
|
||
OutputParams const &) const
|
||
{
|
||
os << contents;
|
||
return 0;
|
||
}
|
||
|
||
|
||
int InsetLatexAccent::docbook(Buffer const &, ostream & os,
|
||
OutputParams const &) const
|
||
{
|
||
os << contents;
|
||
return 0;
|
||
}
|
||
|
||
|
||
bool InsetLatexAccent::directWrite() const
|
||
{
|
||
return true;
|
||
}
|
||
|
||
|
||
InsetOld::Code InsetLatexAccent::lyxCode() const
|
||
{
|
||
return InsetOld::ACCENT_CODE;
|
||
}
|
||
|
||
|
||
ostream & operator<<(ostream & o, InsetLatexAccent::ACCENT_TYPES at)
|
||
{
|
||
return o << int(at);
|
||
}
|