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src/scrollpad.cpp
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src/scrollpad.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 "scrollpad.h"
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void Scrollpad::Add(string str)
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{
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if (itsXPos > 0 && str[0] != ' ')
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str = " " + str;
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itsRawContent += str;
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#ifdef UTF8_ENABLED
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wstring s = ToWString(str);
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wstring tmp;
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#else
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string &s = str;
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string tmp;
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#endif
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int x_pos = 0;
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int space_pos = 0;
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bool collect = 0;
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// no idea why does it work, but it prevents text from going out of the window
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// ugly hack, but i didn't come up with anything better
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/*if (!itsContent.empty())
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for (int i = itsContent.length()-1; itsContent[i] != '\0' && i >= 0; i--)
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x++;*/
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for (size_t i = 0; i <= s.length(); i++, itsXPos++)
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{
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if (BBEnabled)
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{
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if (s[i] == '[')
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collect = 1;
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if (collect)
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tmp += s[i];
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if (s[i] == ']' || tmp.length() > 10) // the longest bbcode is 10 chars long
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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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itsXPos -= tmp.length();
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tmp.clear();
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}
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}
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if (s[i] == ' ') // if space, remember its position;
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{
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space_pos = i;
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x_pos = itsXPos;
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}
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if (!collect && itsXPos >= itsWidth)
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{
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// if line is over, there was at least one space in this line and we are in the middle of the word, restore position to last known space and make it EOL
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if (space_pos > 0 && (s[i] != ' ' || s[i+1] != ' '))
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{
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i = space_pos;
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itsXPos = x_pos;
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s[i] = '\n';
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}
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}
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if (!collect && (itsXPos >= itsWidth || s[i] == '\n'))
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{
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itsRealHeight++;
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itsXPos = 0;
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space_pos = 0;
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}
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}
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itsContent += TO_STRING(s);
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recreate_win();
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}
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void Scrollpad::recreate_win()
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{
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delwin(itsWindow);
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itsWindow = newpad(itsRealHeight, itsWidth);
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SetColor(itsBaseColor, itsBgColor);
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Write(itsContent.c_str());
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}
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void Scrollpad::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 Scrollpad::Refresh()
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{
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prefresh(itsWindow,itsBeginning,0,itsStartY,itsStartX,itsStartY+itsHeight-1,itsStartX+itsWidth);
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}
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void Scrollpad::Resize(int width, int height)
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{
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if (itsBorder != brNone)
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{
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delwin(itsWinBorder);
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itsWinBorder = newpad(height, width);
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wattron(itsWinBorder,COLOR_PAIR(itsBorder));
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box(itsWinBorder,0,0);
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width -= 2;
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height -= 2;
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}
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if (!itsTitle.empty())
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width -= 2;
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if (height > 0 && width > 0)
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{
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itsHeight = height;
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itsWidth = width;
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itsBeginning = 0;
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itsRealHeight = 1;
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itsXPos = 0;
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itsContent.clear();
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string tmp = itsRawContent;
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itsRawContent.clear();
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Add(tmp);
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recreate_win();
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}
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}
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void Scrollpad::Go(WHERE where)
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{
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int MaxBeginning;
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if (itsContent.size() < itsHeight)
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MaxBeginning = 0;
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else
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MaxBeginning = itsRealHeight-itsHeight;
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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 (itsBeginning > 0) itsBeginning--; // for scrolling
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break;
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}
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case DOWN:
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{
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if (itsBeginning < MaxBeginning) itsBeginning++; // scroll
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break;
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}
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case PAGE_UP:
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{
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itsBeginning -= itsHeight;
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if (itsBeginning < 0) itsBeginning = 0;
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break;
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}
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case PAGE_DOWN:
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{
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itsBeginning += itsHeight;
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if (itsBeginning > MaxBeginning) itsBeginning = MaxBeginning;
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break;
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}
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case HOME:
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{
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itsBeginning = 0;
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break;
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}
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case END:
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{
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itsBeginning = MaxBeginning;
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break;
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}
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}
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}
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void Scrollpad::SetBorder(BORDER border)
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{
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if (have_to_recreate(border))
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recreate_win();
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itsBorder = border;
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}
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void Scrollpad::SetTitle(string newtitle)
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{
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if (have_to_recreate(newtitle))
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recreate_win();
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itsTitle = newtitle;
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}
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void Scrollpad::Clear()
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{
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itsBeginning = 0;
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itsRealHeight = 1;
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itsXPos = 0;
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itsContent.clear();
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itsRawContent.clear();
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delwin(itsWindow);
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itsWindow = newpad(itsRealHeight, itsWidth);
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SetColor(itsColor, itsBgColor);
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Window::Clear();
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}
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Scrollpad Scrollpad::EmptyClone()
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{
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return Scrollpad(GetStartX(),GetStartY(),GetWidth(),GetHeight(),itsTitle,itsBaseColor,itsBorder);
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}
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Scrollpad & Scrollpad::operator=(const Scrollpad &base)
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{
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if (this == &base)
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return *this;
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itsWindow = base.itsWindow;
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itsStartX = base.itsStartX;
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itsStartY = base.itsStartY;
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itsWidth = base.itsWidth;
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itsHeight = base.itsHeight;
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itsTitle = base.itsTitle;
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itsBorder = base.itsBorder;
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itsColor = base.itsColor;
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itsContent = base.itsContent;
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itsBeginning = base.itsBeginning;
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itsRealHeight = base.itsRealHeight;
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return *this;
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}
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