2 * \file ControlCommandBuffer.C
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
7 * \author Asger and Jürgen
10 * Full author contact details are available in file CREDITS.
15 #include "ControlCommandBuffer.h"
16 #include "bufferview_funcs.h"
18 #include "LyXAction.h"
19 #include "frontends/LyXView.h"
20 #include "support/lyxalgo.h"
21 #include "support/lstrings.h"
23 using bv_funcs::currentState;
25 using lyx::support::prefixIs;
27 using std::back_inserter;
37 prefix_p(string const & s)
39 bool operator()(string const & s) const {
40 return prefixIs(s, p);
44 } // end of anon namespace
47 ControlCommandBuffer::ControlCommandBuffer(LyXView & lv)
48 : lv_(lv), history_pos_(history_.end())
50 transform(lyxaction.func_begin(), lyxaction.func_end(),
51 back_inserter(commands_), lyx::firster());
55 string const ControlCommandBuffer::historyUp()
57 if (history_pos_ == history_.begin())
60 return *(--history_pos_);
64 string const ControlCommandBuffer::historyDown()
66 if (history_pos_ == history_.end())
68 if (history_pos_ + 1 == history_.end())
71 return *(++history_pos_);
75 string const ControlCommandBuffer::getCurrentState() const
77 return currentState(lv_.view().get());
82 ControlCommandBuffer::completions(string const & prefix, string & new_prefix)
86 lyx::copy_if(commands_.begin(), commands_.end(),
87 back_inserter(comp), prefix_p(prefix));
94 if (comp.size() == 1) {
96 return vector<string>();
99 // find maximal avaliable prefix
100 string const tmp = comp[0];
102 if (tmp.length() > test.length())
103 test += tmp[test.length()];
104 while (test.length() < tmp.length()) {
106 lyx::copy_if(comp.begin(), comp.end(),
107 back_inserter(vtmp), prefix_p(test));
108 if (vtmp.size() != comp.size()) {
109 test.erase(test.length() - 1);
112 test += tmp[test.length()];
120 void ControlCommandBuffer::dispatch(string const & str)
125 history_.push_back(str);
126 history_pos_ = history_.end();
127 lv_.getLyXFunc().dispatch(str, true);