/*
* The ManaPlus Client
* Copyright (C) 2011-2014 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
/* _______ __ __ __ ______ __ __ _______ __ __
* / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
* / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
* / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
* / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
* /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
* \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
*
* Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
*
*
* Per Larsson a.k.a finalman
* Olof Naessén a.k.a jansem/yakslem
*
* Visit: http://guichan.sourceforge.net
*
* License: (BSD)
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of Guichan nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* For comments regarding functions please see the header file.
*/
#include "gui/base/widgets/textbox.hpp"
#include "gui/font.h"
#include "gui/base/basiccontainer.hpp"
#include "input/key.h"
#include "input/mouseinput.h"
#include "render/graphics.h"
#include "debug.h"
namespace gcn
{
TextBox::TextBox() :
gcn::Widget(),
MouseListener(),
KeyListener(),
mTextRows(),
mCaretColumn(0),
mCaretRow(0),
mEditable(true),
mOpaque(true)
{
setText("");
setFocusable(true);
addMouseListener(this);
addKeyListener(this);
adjustSize();
}
TextBox::TextBox(const std::string& text) :
gcn::Widget(),
MouseListener(),
KeyListener(),
mTextRows(),
mCaretColumn(0),
mCaretRow(0),
mEditable(true),
mOpaque(true)
{
setText(text);
setFocusable(true);
addMouseListener(this);
addKeyListener(this);
adjustSize();
}
void TextBox::setText(const std::string& text)
{
mCaretColumn = 0;
mCaretRow = 0;
mTextRows.clear();
size_t pos, lastPos = 0;
int length;
do
{
pos = text.find("\n", lastPos);
if (pos != std::string::npos)
length = static_cast(pos - lastPos);
else
length = static_cast(text.size() - lastPos);
std::string sub = text.substr(lastPos, length);
mTextRows.push_back(sub);
lastPos = pos + 1;
} while (pos != std::string::npos);
adjustSize();
}
/*
void TextBox::draw(Graphics* graphics)
{
}
*/
void TextBox::drawCaret(Graphics* graphics, int x, int y)
{
graphics->setColor(mForegroundColor);
graphics->drawLine(x, getFont()->getHeight() + y, x, y);
}
void TextBox::mousePressed(MouseEvent& mouseEvent)
{
if (mouseEvent.getButton() == MouseEvent::LEFT)
{
mCaretRow = mouseEvent.getY() / getFont()->getHeight();
const int sz = static_cast(mTextRows.size());
if (mCaretRow >= sz)
mCaretRow = sz - 1;
mCaretColumn = getFont()->getStringIndexAt(
mTextRows[mCaretRow], mouseEvent.getX());
}
}
void TextBox::mouseDragged(MouseEvent& mouseEvent)
{
mouseEvent.consume();
}
void TextBox::keyPressed(KeyEvent& keyEvent A_UNUSED)
{
}
void TextBox::adjustSize()
{
int width = 0;
for (size_t i = 0, sz = mTextRows.size(); i < sz; ++i)
{
const int w = getFont()->getWidth(mTextRows[i]);
if (width < w)
width = w;
}
setWidth(width + 1);
setHeight(static_cast(getFont()->getHeight() * mTextRows.size()));
}
void TextBox::setCaretPosition(unsigned int position)
{
for (int row = 0, sz = static_cast(mTextRows.size());
row < sz; row ++)
{
if (position <= mTextRows[row].size())
{
mCaretRow = row;
mCaretColumn = position;
return; // we are done
}
else
{
position--;
}
}
// position beyond end of text
mCaretRow = static_cast(mTextRows.size() - 1);
mCaretColumn = static_cast(mTextRows[mCaretRow].size());
}
unsigned int TextBox::getCaretPosition() const
{
int pos = 0, row;
for (row = 0; row < mCaretRow; row++)
pos += static_cast(mTextRows[row].size());
return pos + mCaretColumn;
}
void TextBox::setCaretRowColumn(int row, int column)
{
setCaretRow(row);
setCaretColumn(column);
}
void TextBox::setCaretRow(int row)
{
mCaretRow = row;
const int sz = static_cast(mTextRows.size());
if (mCaretRow >= sz)
mCaretRow = sz - 1;
if (mCaretRow < 0)
mCaretRow = 0;
setCaretColumn(mCaretColumn);
}
unsigned int TextBox::getCaretRow() const
{
return mCaretRow;
}
void TextBox::setCaretColumn(int column)
{
mCaretColumn = column;
const int sz = static_cast(mTextRows[mCaretRow].size());
if (mCaretColumn > sz)
mCaretColumn = sz;
if (mCaretColumn < 0)
mCaretColumn = 0;
}
unsigned int TextBox::getCaretColumn() const
{
return mCaretColumn;
}
const std::string& TextBox::getTextRow(int row) const
{
return mTextRows[row];
}
void TextBox::setTextRow(int row, const std::string& text)
{
mTextRows[row] = text;
if (mCaretRow == row)
setCaretColumn(mCaretColumn);
adjustSize();
}
unsigned int TextBox::getNumberOfRows() const
{
return static_cast(mTextRows.size());
}
std::string TextBox::getText() const
{
if (mTextRows.empty())
return std::string("");
int i;
std::string text;
const int sz = static_cast(mTextRows.size());
for (i = 0; i < sz - 1; ++ i)
text.append(mTextRows[i]).append("\n");
text.append(mTextRows[i]);
return text;
}
void TextBox::fontChanged()
{
adjustSize();
}
void TextBox::scrollToCaret()
{
Rectangle scroll;
scroll.x = getFont()->getWidth(
mTextRows[mCaretRow].substr(0, mCaretColumn));
scroll.y = getFont()->getHeight() * mCaretRow;
scroll.width = getFont()->getWidth(" ");
// add 2 for some extra space
scroll.height = getFont()->getHeight() + 2;
showPart(scroll);
}
void TextBox::setEditable(bool editable)
{
mEditable = editable;
}
bool TextBox::isEditable() const
{
return mEditable;
}
void TextBox::addRow(const std::string &row)
{
mTextRows.push_back(row);
adjustSize();
}
bool TextBox::isOpaque()
{
return mOpaque;
}
void TextBox::setOpaque(bool opaque)
{
mOpaque = opaque;
}
} // namespace gcn