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e225bbd75e
Please test the minibuffer, and report things that are broken. I think things should still be working the same ... git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4713 a592a061-630c-0410-9148-cb99ea01b6c8
115 lines
2.2 KiB
C
115 lines
2.2 KiB
C
/**
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* \file ControlCommandBuffer.C
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* Copyright 1995-2002 the LyX Team
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* Read the file COPYING
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*
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* \author Lars
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* \author Asger and Juergen
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* \author John Levon <levon@movementarian.org>
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*/
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "ControlCommandBuffer.h"
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#include "support/lyxalgo.h"
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#include "support/lstrings.h"
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#include "LyXAction.h"
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#include "lyxfunc.h"
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#include "debug.h"
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using std::vector;
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using std::back_inserter;
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using std::transform;
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using std::endl;
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extern LyXAction lyxaction;
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namespace {
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struct prefix_p {
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string p;
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prefix_p(string const & s)
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: p(s) {}
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bool operator()(string const & s) const {
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return prefixIs(s, p);
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}
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};
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} // end of anon namespace
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ControlCommandBuffer::ControlCommandBuffer(LyXFunc & lf)
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: lyxfunc_(lf), history_pos_(history_.end())
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{
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transform(lyxaction.func_begin(), lyxaction.func_end(),
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back_inserter(commands_), lyx::firster());
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}
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string const ControlCommandBuffer::historyUp()
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{
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if (history_pos_ == history_.begin())
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return "";
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return *(--history_pos_);
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}
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string const ControlCommandBuffer::historyDown()
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{
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if (history_pos_ == history_.end())
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return "";
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if (history_pos_ + 1 == history_.end())
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return "";
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return *(++history_pos_);
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}
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vector<string> const ControlCommandBuffer::completions(string const & prefix, string & new_prefix)
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{
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vector<string> comp;
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lyx::copy_if(commands_.begin(), commands_.end(),
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back_inserter(comp), prefix_p(prefix));
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if (comp.empty()) {
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new_prefix = prefix;
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return comp;
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}
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if (comp.size() == 1) {
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new_prefix = comp[0];
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return vector<string>();
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}
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// find maximal avaliable prefix
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string const tmp = comp[0];
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string test(prefix);
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if (tmp.length() > test.length())
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test += tmp[test.length()];
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while (test.length() < tmp.length()) {
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vector<string> vtmp;
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lyx::copy_if(comp.begin(), comp.end(),
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back_inserter(vtmp), prefix_p(test));
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if (vtmp.size() != comp.size()) {
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test.erase(test.length() - 1);
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break;
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}
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test += tmp[test.length()];
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}
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new_prefix = test;
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return comp;
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}
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void ControlCommandBuffer::dispatch(string const & str)
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{
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history_.push_back(str);
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history_pos_ = history_.end();
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lyxfunc_.dispatch(str, true);
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}
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