lyx_mirror/src/KeySequence.cpp
André Pönitz 50016ccf3a rename LyXKeySym into KeySymbol
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18059 a592a061-630c-0410-9148-cb99ea01b6c8
2007-04-27 08:43:38 +00:00

183 lines
3.0 KiB
C++

/**
* \file KeySequence.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Lars Gullik Bjønnes
* \author Jean-Marc Lasgouttes
* \author John Levon
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "KeySequence.h"
#include "gettext.h"
#include "KeyMap.h"
#include "lfuns.h"
#include "frontends/KeySymbol.h"
namespace lyx {
using std::make_pair;
using std::string;
FuncRequest const &
KeySequence::addkey(KeySymbolPtr key,
key_modifier::state mod, key_modifier::state nmod)
{
// adding a key to a deleted sequence
// starts a new sequence
if (deleted_) {
deleted_ = false;
sequence.clear();
modifiers.clear();
}
modifiers.push_back(make_pair(mod, nmod));
sequence.push_back(key);
if (curmap) {
return curmap->lookup(key, mod, this);
}
static FuncRequest unknown(LFUN_UNKNOWN_ACTION);
return unknown;
}
size_t KeySequence::parse(string const & s)
{
if (s.empty())
return 1;
size_t i = 0;
key_modifier::state mod = key_modifier::none;
key_modifier::state nmod = key_modifier::none;
while (i < s.length()) {
if (s[i] == ' ')
++i;
if (i >= s.length())
break;
if (i + 1 < s.length() && s[i + 1] == '-') {
switch (s[i]) {
case 's': case 'S':
mod |= key_modifier::shift;
i += 2;
continue;
case 'c': case 'C':
mod |= key_modifier::ctrl;
i += 2;
continue;
case 'm': case 'M':
mod |= key_modifier::alt;
i += 2;
continue;
default:
return i + 1;
}
} else if (i + 2 < s.length() && s[i] == '~'
&& s[i + 2] == '-') {
switch (s[i + 1]) {
case 's': case 'S':
nmod |= key_modifier::shift;
i += 3;
continue;
case 'c': case 'C':
nmod |= key_modifier::ctrl;
i += 3;
continue;
case 'm': case 'M':
nmod |= key_modifier::alt;
i += 3;
continue;
default:
return i + 2;
}
} else {
string tbuf;
size_t j = i;
for (; j < s.length() && s[j] != ' '; ++j)
tbuf += s[j]; // (!!!check bounds :-)
KeySymbolPtr key(createKeySymbol());
key->init(tbuf);
if (!key->isOK())
return j;
i = j;
addkey(key, mod, nmod);
mod = key_modifier::none;
}
}
// empty sequence?
if (sequence.size() == 0)
return 0;
// everything is fine
return string::npos;
}
docstring const KeySequence::print(bool forgui) const
{
docstring buf;
size_t const length = sequence.size();
for (size_t i = 0; i < length; ++i) {
buf += sequence[i]->print(modifiers[i].first, forgui);
// append a blank
if (i + 1 < length)
buf += ' ';
}
return buf;
}
docstring const KeySequence::printOptions(bool forgui) const
{
docstring buf;
buf += print(forgui);
if (!curmap)
return buf;
buf += _(" options: ");
buf += curmap->print(forgui);
return buf;
}
void KeySequence::mark_deleted()
{
deleted_ = true;
}
void KeySequence::reset()
{
mark_deleted();
curmap = stdmap;
}
void KeySequence::clear()
{
sequence.clear();
reset();
}
} // namespace lyx