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insetquotes.C
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C/C++ Source or Header
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1998-04-23
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7KB
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303 lines
/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright (C) 1995 Matthias Ettrich
* Copyright (C) 1995-1998 The LyX Team.
*
*======================================================*/
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "insetquotes.h"
#include "lyxlib.h"
#include "error.h"
#include "lyxfont.h"
#include "lyxrc.h"
#include "buffer.h"
#include "LaTeXFeatures.h"
// $Id: insetquotes.C,v 1.1.1.1 1998/04/23 16:02:51 larsbj Exp $
#if !defined(lint) && !defined(WITH_WARNINGS)
static char vcid[] = "$Id: insetquotes.C,v 1.1.1.1 1998/04/23 16:02:51 larsbj Exp $";
#endif /* lint */
// Quotes. Used for the various quotes. German, English, French,
// Danish, Polish, all either double or single.
extern LyXRC *lyxrc;
extern BufferView *current_view;
// codes used to read/write quotes to LyX files
static char const *language_char = "esgpfa";
static char const *side_char = "lr" ;
static char const *times_char ="sd";
// List of known quote chars
static char const *quote_char = ",'`<>";
// Index of chars used for the quote. Index is [side,language]
int quote_index[2][6] =
{ { 2, 1, 0, 0, 3, 4 }, // "'',,<>"
{ 1, 1, 2, 1, 4, 3 } }; // "`'`'><"
// Corresponding LaTeX code, for double and single quotes.
static char const *latex_quote_t1[2][5] =
{ { "\\quotesinglbase{}", "'", "`",
"\\guilsinglleft{}", "\\guilsinglright{}" },
{ ",,", "''", "``", "<<", ">>" } };
static char const *latex_quote_ot1[2][5] =
{ { "\\quotesinglbase{}", "'", "`",
"\\guilsinglleft{}", "\\guilsinglright{}" },
{ "\\quotedblbase{}", "''", "``",
"\\guillemotleft{}", "\\guillemotright{}" } };
static char const *latex_quote_babel[2][5] =
{ { "\\glq{}", "'", "`", "\\flq{}", "\\frq{}" },
{ "\\glqq{}", "''", "``", "\\flqq{}", "\\frqq{}" } };
InsetQuotes::InsetQuotes(LString const &string)
{
ParseString(string);
}
InsetQuotes::InsetQuotes(InsetQuotes::quote_language l,
InsetQuotes::quote_side s,
InsetQuotes::quote_times t)
: language(l), side(s), times(t)
{
}
InsetQuotes::InsetQuotes(char c, BufferParams const ¶ms)
: language(params.quotes_language), times(params.quotes_times)
{
// Decide whether left or right
switch(c) {
case ' ': case '(': case '{': case '[': case '-': case ':':
case LYX_META_HFILL: case LYX_META_PROTECTED_SEPARATOR:
case LYX_META_NEWLINE:
side = InsetQuotes::LeftQ; // left quote
break;
default:
side = InsetQuotes::RightQ; // right quote
}
}
void InsetQuotes::ParseString(LString string)
{
int i;
if (string.length() != 3) {
lyxerr.print("ERROR (InsetQuotes::InsetQuotes):"
" bad string length.");
string = "eld";
}
for (i=0;i<6;i++) {
if (string[0] == language_char[i]) {
language = (InsetQuotes::quote_language)i;
break;
}
}
if (i>=6) {
lyxerr.print("ERROR (InsetQuotes::InsetQuotes):"
" bad language specification.");
language = InsetQuotes::EnglishQ;
}
for (i=0;i<2;i++) {
if (string[1] == side_char[i]) {
side = (InsetQuotes::quote_side)i;
break;
}
}
if (i>=2) {
lyxerr.print("ERROR (InsetQuotes::InsetQuotes):"
" bad side specification.");
side = InsetQuotes::LeftQ;
}
for (i=0;i<2;i++) {
if (string[2] == times_char[i]) {
times = (InsetQuotes::quote_times)i;
break;
}
}
if (i>=2) {
lyxerr.print("ERROR (InsetQuotes::InsetQuotes):"
" bad times specification.");
times = InsetQuotes::DoubleQ;
}
}
LString InsetQuotes::DispString() const
{
LString disp;
disp += quote_char[quote_index[side][language]];
if (times == InsetQuotes::DoubleQ)
disp += disp;
if (lyxrc->font_norm == "iso8859-1")
if (disp == "<<")
disp = '½';
else if (disp == ">>")
disp = '╗';
return disp;
}
int InsetQuotes::Ascent(LyXFont const &font) const
{
return font.maxAscent();
}
int InsetQuotes::Descent(LyXFont const &font) const
{
return font.maxDescent();
}
int InsetQuotes::Width(LyXFont const &font) const
{
LString text = DispString();
int w = 0;
for (int i = 0; i < text.length(); i++) {
if (text[i] == ' ')
w += font.width('i');
else if (i == 0 || text[i] != text[i-1])
w += font.width(text[i]);
else
w += font.width(',');
}
return w;
}
LyXFont InsetQuotes::ConvertFont(LyXFont font)
{
/* quotes-insets cannot be latex of any kind */
font.setLatex(LyXFont::OFF);
return font;
}
void InsetQuotes::Draw(LyXFont font, LyXScreen &scr,
int baseline, float &x)
{
LString text = DispString();
for (int i = 0; i < text.length(); i++) {
if (text[i] == ' ')
x += font.width('i');
else if (i == text.length()-1 || text[i] != text[i+1]) {
scr.drawString(font, &text[i], baseline, int(x));
x += font.width(text[i]);
} else {
scr.drawString(font, &text[i+1], baseline, int(x));
x += font.width(',');
}
}
}
void InsetQuotes::Write(FILE *file)
{
LString text;
text += language_char[language];
text += side_char[side];
text += times_char[times];
fprintf(file, "Quotes %s", text.c_str());
}
void InsetQuotes::Read(LyXLex &lex)
{
lex.nextToken();
ParseString(lex.GetString());
}
int InsetQuotes::Latex(FILE *file, signed char /*fragile*/)
{
LString quote;
signed char dummy = 0;
Latex(quote, dummy);
fprintf(file, "%s", quote.c_str());
return 0;
}
int InsetQuotes::Latex(LString &file, signed char /*fragile*/)
{
LString doclang =
current_view->currentBuffer()->GetLanguage();
int quoteind = quote_index[side][language];
if (lyxrc->fontenc == "T1") {
file += latex_quote_t1[times][quoteind];
}
else if (doclang == "default") {
file += latex_quote_ot1[times][quoteind];
}
else if (language == InsetQuotes::FrenchQ
&& times == InsetQuotes::DoubleQ
&& doclang == "frenchb") {
if (side == InsetQuotes::LeftQ)
file += "\\og{}";
else
file += " \\fg{}";
}
else
file += latex_quote_babel[times][quoteind];
return 0;
}
void InsetQuotes::Validate(LaTeXFeatures &features) const
{
char type = quote_char[quote_index[side][language]];
if (current_view->currentBuffer()->GetLanguage() == "default"
&& lyxrc->fontenc != "T1") {
if (times == InsetQuotes::SingleQ)
switch (type) {
case ',': features.quotesinglbase = true; break;
case '<': features.guilsinglleft = true; break;
case '>': features.guilsinglright = true; break;
default: break;
}
else
switch (type) {
case ',': features.quotedblbase = true; break;
case '<': features.guillemotleft = true; break;
case '>': features.guillemotright = true; break;
default: break;
}
}
}
Inset* InsetQuotes::Clone()
{
return new InsetQuotes(language, side, times);
}
Inset::Code InsetQuotes::LyxCode() const
{
return Inset::QUOTE_CODE;
}