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419
src/menu.cpp
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419
src/menu.cpp
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/***************************************************************************
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* Copyright (C) 2008 by Andrzej Rybczak *
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* electricityispower@gmail.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#include "menu.h"
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#include "misc.h"
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int Menu::count_length(string str)
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{
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if (str.empty())
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return 0;
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bool collect = false;
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int length = 0;
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#ifdef UTF8_ENABLED
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wstring str2 = ToWString(str);
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wstring tmp;
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#else
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string &str2 = str;
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string tmp;
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#endif
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for (int i = 0; i < str2.length(); i++, length++)
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{
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if (str2[i] == '[')
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collect = 1;
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if (collect)
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tmp += str2[i];
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if (str2[i] == ']')
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collect = 0;
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if (!collect && !tmp.empty())
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{
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if (is_valid_color(TO_STRING(tmp)))
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length -= tmp.length();
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tmp.clear();
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}
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}
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return length;
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}
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void Menu::AddOption(const string &str, LOCATION location, HAVE_SEPARATOR separator)
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{
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itsLocations.push_back(location);
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itsOptions.push_back(str);
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itsSeparators.push_back(separator);
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itsStaticOptions.push_back(0);
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itsBold.push_back(0);
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}
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void Menu::AddBoldOption(const string &str, LOCATION location, HAVE_SEPARATOR separator)
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{
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itsLocations.push_back(location);
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itsOptions.push_back(str);
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itsSeparators.push_back(separator);
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itsStaticOptions.push_back(0);
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itsBold.push_back(1);
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}
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void Menu::AddStaticOption(const string &str, LOCATION location, HAVE_SEPARATOR separator)
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{
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itsLocations.push_back(location);
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itsOptions.push_back(str);
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itsSeparators.push_back(separator);
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itsStaticOptions.push_back(1);
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itsBold.push_back(0);
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itsStaticsNumber++;
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}
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void Menu::AddStaticBoldOption(const string &str, LOCATION location, HAVE_SEPARATOR separator)
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{
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itsLocations.push_back(location);
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itsOptions.push_back(str);
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itsSeparators.push_back(separator);
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itsStaticOptions.push_back(1);
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itsBold.push_back(1);
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itsStaticsNumber++;
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}
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void Menu::AddSeparator()
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{
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AddStaticOption("", lLeft, 1);
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}
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void Menu::UpdateOption(int index, string str, LOCATION location, HAVE_SEPARATOR separator)
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{
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try
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{
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itsLocations.at(index-1) = location;
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itsOptions.at(index-1) = str;
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itsSeparators.at(index-1) = separator;
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}
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catch (std::out_of_range)
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{
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}
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}
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void Menu::BoldOption(int index, IS_BOLD bold)
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{
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try
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{
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itsBold.at(index-1) = bold;
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}
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catch (std::out_of_range)
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{
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}
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}
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void Menu::MakeStatic(int index, IS_STATIC stat)
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{
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try
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{
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if (stat && !itsStaticOptions.at(index-1))
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itsStaticsNumber++;
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if (!stat && itsStaticOptions.at(index-1))
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itsStaticsNumber--;
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itsStaticOptions.at(index-1) = stat;
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}
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catch (std::out_of_range)
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{
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}
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}
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void Menu::DeleteOption(int no)
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{
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try
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{
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if (itsStaticOptions.at(no-1))
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itsStaticsNumber--;
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}
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catch (std::out_of_range)
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{
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return;
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}
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itsLocations.erase(itsLocations.begin()+no-1);
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itsOptions.erase(itsOptions.begin()+no-1);
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itsStaticOptions.erase(itsStaticOptions.begin()+no-1);
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itsSeparators.erase(itsSeparators.begin()+no-1);
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itsBold.erase(itsBold.begin()+no-1);
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/*if (itsBeginning > 0 && itsBeginning == itsOptions.size()-itsHeight)
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itsBeginning--;
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Go(UP);*/
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Window::Clear();
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}
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void Menu::Display()
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{
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Window::show_border();
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Refresh();
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}
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void Menu::Refresh()
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{
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if (!itsOptions.empty() && is_static())
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if (itsHighlight == 0)
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Go(DOWN);
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else
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Go(UP);
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if (MaxChoice() < GetChoice() && !Empty())
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Highlight(MaxChoice());
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if (itsHighlight > itsBeginning+itsHeight)
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Highlight(itsBeginning+itsHeight);
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int line = 0;
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int last;
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if (itsOptions.size() < itsHeight)
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last = itsOptions.size();
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else
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last = itsBeginning+itsHeight;
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int check = 0;
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bool next = 1;
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for (int i = last-1; i > itsBeginning && next; i--)
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{
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next = 0;
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try
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{
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itsSeparators.at(i);
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}
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catch (std::out_of_range)
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{
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check++;
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next = 1;
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}
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}
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itsBeginning -= check;
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last -= check;
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for (int i = itsBeginning; i < last; i++)
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{
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if (i == itsHighlight && itsHighlightEnabled)
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Reverse(1);
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if (itsBold[i])
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Bold(1);
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int ch = itsSeparators[i] ? 0 : 32;
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mvwhline(itsWindow,line, 0, ch, itsWidth);
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int strlength = itsLocations[i] != lLeft && BBEnabled ? count_length(itsOptions[i]) : itsOptions[i].length();
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if (strlength)
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{
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int x = 0;
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if (itsLocations[i] == lCenter)
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{
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for (; x < (itsWidth-strlength-(!ch ? 4 : 0))/2; x++);
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if (!ch)
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{
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AltCharset(1);
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mvwaddstr(itsWindow, line, x, "u ");
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AltCharset(0);
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x += 2;
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}
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}
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if (itsLocations[i] == lRight)
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{
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for (; x < (itsWidth-strlength); x++)
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if (!ch)
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{
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AltCharset(1);
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mvwaddstr(itsWindow, line, x, "u ");
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AltCharset(0);
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x += 2;
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}
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}
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WriteXY(x, line, itsOptions[i], 0);
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if (!ch && (itsLocations[i] == lCenter || itsLocations[i] == lLeft))
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{
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x += strlength;
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AltCharset(1);
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mvwaddstr(itsWindow, line, x, " t");
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AltCharset(0);
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}
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}
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line++;
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if (i == itsHighlight && itsHighlightEnabled)
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Reverse(0);
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if (itsBold[i])
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Bold(0);
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}
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wrefresh(itsWindow);
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}
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void Menu::Go(WHERE where)
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{
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if (Empty()) return;
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int MaxHighlight = itsOptions.size()-1;
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int MaxBeginning;
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if (itsOptions.size() < itsHeight)
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MaxBeginning = 0;
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else MaxBeginning = itsOptions.size()-itsHeight;
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int MaxCurrentHighlight = itsBeginning+itsHeight-1;
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switch (where)
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{
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case UP:
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{
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if (itsHighlight <= itsBeginning && itsHighlight > 0) itsBeginning--; // for scrolling
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if (itsHighlight == 0)
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break;
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else
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itsHighlight--;
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if (is_static())
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{
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if (itsHighlight == 0)
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Go(DOWN);
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else
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Go(UP);
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}
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break;
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}
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case DOWN:
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{
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if (itsHighlight >= MaxCurrentHighlight && itsHighlight < MaxHighlight) itsBeginning++; // scroll
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if (itsHighlight == MaxHighlight)
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break;
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else
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itsHighlight++;
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if (is_static())
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{
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if (itsHighlight == MaxHighlight)
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Go(UP);
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else
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Go(DOWN);
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}
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break;
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}
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case PAGE_UP:
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{
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itsHighlight -= itsHeight;
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itsBeginning -= itsHeight;
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if (itsBeginning < 0)
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{
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itsBeginning = 0;
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if (itsHighlight < 0) itsHighlight = 0;
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}
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if (is_static())
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{
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if (itsHighlight == 0)
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Go(DOWN);
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else
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Go(UP);
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}
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break;
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}
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case PAGE_DOWN:
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{
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itsHighlight += itsHeight;
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itsBeginning += itsHeight;
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if (itsBeginning > MaxBeginning)
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{
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itsBeginning = MaxBeginning;
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if (itsHighlight > MaxHighlight) itsHighlight = MaxHighlight;
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}
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if (is_static())
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{
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if (itsHighlight == MaxHighlight)
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Go(UP);
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else
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Go(DOWN);
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}
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break;
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}
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case HOME:
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{
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itsHighlight = 0;
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itsBeginning = 0;
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if (is_static())
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{
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if (itsHighlight == 0)
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Go(DOWN);
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else
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Go(UP);
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}
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break;
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}
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case END:
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{
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itsHighlight = MaxHighlight;
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itsBeginning = MaxBeginning;
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if (is_static())
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{
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if (itsHighlight == MaxHighlight)
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Go(UP);
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else
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Go(DOWN);
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}
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break;
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}
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}
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}
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void Menu::Highlight(int which)
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{
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if (which <= itsOptions.size())
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itsHighlight = which-1;
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if (which > itsHeight)
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itsBeginning = which-itsHeight;
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else
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itsBeginning = 0;
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}
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void Menu::Reset()
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{
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itsHighlight = 0;
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itsBeginning = 0;
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}
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void Menu::Clear(bool clear_screen)
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{
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itsOptions.clear();
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itsStaticOptions.clear();
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itsSeparators.clear();
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itsLocations.clear();
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itsBold.clear();
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itsStaticsNumber = 0;
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if (clear_screen)
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Window::Clear();
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}
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int Menu::GetRealChoice() const
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{
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int real_choice = 0;
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vector<IS_STATIC>::const_iterator it = itsStaticOptions.begin();
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for (int i = 0; i < itsHighlight; it++, i++)
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if (!*it) real_choice++;
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return real_choice+1;
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}
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Menu Menu::EmptyClone()
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{
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return Menu(GetStartX(),GetStartY(),GetWidth(),GetHeight(),itsTitle,itsBaseColor,itsBorder);
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}
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