lyx_mirror/src/tex-accent.C
Georg Baum 0159c9d6c7 Normalize everything that comes from 'outside' (plain text import,
keyboard input via kmap, clipboard and selection) to normalized form KC
(precomposed characters) since we don't support the decomposed form very
well.


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@17702 a592a061-630c-0410-9148-cb99ea01b6c8
2007-04-03 08:15:39 +00:00

117 lines
4.5 KiB
C

/**
* \file tex-accent.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Lars Gullik Bjønnes
* \author Matthias Ettrich
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "tex-accent.h"
#include "debug.h"
#include "support/convert.h"
#include "support/docstream.h"
namespace lyx {
// FIXME This file has nothing to do with TeX anymore
/* the names used by TeX and XWindows for deadkeys/accents are not the same
so here follows a table to clearify the differences. Please correct this
if I got it wrong
|------------------|------------------|------------------|--------------|
| TeX | XWindows | \bind/LFUN | used by intl |
|------------------|------------------|------------------|--------------|
| grave | grave |LFUN_ACCENT_GRAVE | grave
| acute | acute |LFUN_ACCENT_ACUTE | acute
| circumflex | circumflex |LFUN_ACCENT_CIRCUMFLEX | circumflex
| umlaut/dieresis | diaeresis |LFUN_ACCENT_UMLAUT | umlaut
| tilde | tilde |LFUN_ACCENT_TILDE | tilde
| macron | maron |LFUN_ACCENT_MACRON | macron
| dot | abovedot |LFUN_ACCENT_DOT | dot
| cedilla | cedilla |LFUN_ACCENT_CEDILLA | cedilla
| underdot | |LFUN_ACCENT_UNDERDOT | underdot
| underbar | |LFUN_ACCENT_UNDERBAR | underbar
| hácek | caron |LFUN_ACCENT_CARON | caron
| breve | breve |LFUN_ACCENT_BREVE | breve
| tie | |LFUN_ACCENT_TIE | tie
| Hungarian umlaut | doubleacute |LFUN_ACCENT_HUNGARIAN_UMLAUT | hungarian umlaut
| circle | abovering |LFUN_ACCENT_CIRCLE | circle
| | ogonek | |
| | iota | |
| | voiced_sound | |
| | semivoiced_sound | |
| | |LFUN_ACCENT_SPECIAL_CARON| special caron
*/
// I am not sure how some of the XWindows names coresponds to the TeX ones.
tex_accent_struct lyx_accent_table[] = {
{TEX_NOACCENT, 0, "", LFUN_NOACTION},
{TEX_ACUTE, 0x0301, "acute", LFUN_ACCENT_ACUTE},
{TEX_GRAVE, 0x0300, "grave", LFUN_ACCENT_GRAVE},
{TEX_MACRON, 0x0304, "macron", LFUN_ACCENT_MACRON},
{TEX_TILDE, 0x0303, "tilde", LFUN_ACCENT_TILDE},
{TEX_UNDERBAR, 0x0320, "underbar", LFUN_ACCENT_UNDERBAR},
{TEX_CEDILLA, 0x0327, "cedilla", LFUN_ACCENT_CEDILLA},
{TEX_UNDERDOT, 0x0323, "underdot", LFUN_ACCENT_UNDERDOT},
{TEX_CIRCUMFLEX, 0x0302, "circumflex", LFUN_ACCENT_CIRCUMFLEX},
{TEX_CIRCLE, 0x030a, "circle", LFUN_ACCENT_CIRCLE},
{TEX_TIE, 0x0361, "tie", LFUN_ACCENT_TIE},
{TEX_BREVE, 0x0306, "breve", LFUN_ACCENT_BREVE},
{TEX_CARON, 0x030c, "caron", LFUN_ACCENT_CARON},
// {TEX_SPECIAL_CARON, 0x030c, "ooo", LFUN_ACCENT_SPECIAL_CARON},
// Don't fix this typo for compatibility reasons!
{TEX_HUNGUML, 0x030b, "hugarian_umlaut", LFUN_ACCENT_HUNGARIAN_UMLAUT},
{TEX_UMLAUT, 0x0308, "umlaut", LFUN_ACCENT_UMLAUT},
{TEX_DOT, 0x0307, "dot", LFUN_ACCENT_DOT},
{TEX_OGONEK, 0x0328, "ogonek", LFUN_ACCENT_OGONEK}
};
tex_accent_struct get_accent(kb_action action)
{
int i = 0;
while (i <= TEX_MAX_ACCENT) {
if (lyx_accent_table[i].action == action)
return lyx_accent_table[i];
++i;
}
struct tex_accent_struct temp = { static_cast<tex_accent>(0), 0,
0, static_cast<kb_action>(0)};
return temp;
}
docstring const DoAccent(docstring const & s, tex_accent accent)
{
if (s.empty())
return docstring(1, lyx_accent_table[accent].ucs4);
odocstringstream os;
os.put(s[0]);
os.put(lyx_accent_table[accent].ucs4);
if (s.length() > 1) {
if (accent != TEX_TIE || s.length() > 2)
lyxerr << "Warning: Too many characters given for accent "
<< lyx_accent_table[accent].name << '.' << std::endl;
os << s.substr(1);
}
return normalize_kc(os.str());
}
docstring const DoAccent(char_type c, tex_accent accent)
{
return DoAccent(docstring(1, c), accent);
}
} // namespace lyx