+size_t KeyMap::unbind(string const & seq, FuncRequest const & func)
+{
+ KeySequence k(0, 0);
+
+ string::size_type const res = k.parse(seq);
+ if (res == string::npos)
+ unbind(&k, func);
+ else
+ LYXERR(Debug::KBMAP, "Parse error at position " << res
+ << " in key sequence '" << seq << "'.");
+ return res == string::npos ? 0 : res;
+}
+
+
+void KeyMap::bind(KeySequence * seq, FuncRequest const & func, unsigned int r)
+{
+ KeySymbol code = seq->sequence[r];
+ if (!code.isOK())
+ return;
+
+ KeyModifier const mod1 = seq->modifiers[r].first;
+ KeyModifier const mod2 = seq->modifiers[r].second;
+
+ // check if key is already there
+ Table::iterator end = table.end();
+ for (Table::iterator it = table.begin(); it != end; ++it) {
+ if (code == it->code
+ && mod1 == it->mod.first
+ && mod2 == it->mod.second) {
+ // overwrite binding
+ if (r + 1 == seq->length()) {
+ LYXERR(Debug::KBMAP, "Warning: New binding for '"
+ << to_utf8(seq->print(KeySequence::Portable))
+ << "' is overriding old binding...");
+ if (it->prefixes.get()) {
+ it->prefixes.reset();
+ }
+ it->func = func;
+ it->func.origin = FuncRequest::KEYBOARD;
+ return;
+ } else if (!it->prefixes.get()) {
+ lyxerr << "Error: New binding for '"
+ << to_utf8(seq->print(KeySequence::Portable))
+ << "' is overriding old binding..."
+ << endl;
+ return;
+ } else {
+ it->prefixes->bind(seq, func, r + 1);
+ return;
+ }
+ }
+ }
+
+ Table::iterator newone = table.insert(table.end(), Key());
+ newone->code = code;
+ newone->mod = seq->modifiers[r];
+ if (r + 1 == seq->length()) {
+ newone->func = func;
+ newone->func.origin = FuncRequest::KEYBOARD;
+ newone->prefixes.reset();
+ } else {
+ newone->prefixes.reset(new KeyMap);
+ newone->prefixes->bind(seq, func, r + 1);
+ }
+}
+