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/*
* 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 <http://www.gnu.org/licenses/>.
*/
/* _______ __ __ __ ______ __ __ _______ __ __
* / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
* / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
* / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
* / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
* /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
* \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
*
* 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.
*/
#ifndef GCN_TEXTBOX_HPP
#define GCN_TEXTBOX_HPP
#include <string>
#include <vector>
#include "listeners/keylistener.h"
#include "listeners/mouselistener.h"
#include "gui/widgets/widget.h"
namespace gcn
{
/**
* An implementation of a text box where a user can enter text that contains of many lines.
*/
class TextBox:
public Widget,
public MouseListener,
public KeyListener
{
public:
/**
* Constructor.
*/
explicit TextBox(const Widget2 *const widget);
/**
* Constructor.
*
* @param text The default text of the text box.
*/
TextBox(const Widget2 *const widget,
const std::string& text);
A_DELETE_COPY(TextBox)
/**
* Sets the text of the text box.
*
* @param text The text of the text box.
* @see getText
*/
void setText(const std::string& text);
/**
* Gets the text of the text box.
*
* @return The text of the text box.
* @see setText
*/
std::string getText() const;
/**
* Gets a certain row from the text.
*
* @param row The number of the row to get from the text.
* @return A row from the text of the text box.
* @see setTextRow
*/
const std::string& getTextRow(int row) const;
/**
* Sets the text of a certain row of the text.
*
* @param row The number of the row to set in the text.
* @param text The text to set in the given row number.
* @see getTextRow
*/
void setTextRow(int row, const std::string& text);
/**
* Gets the number of rows in the text.
*
* @return The number of rows in the text.
*/
unsigned int getNumberOfRows() const;
/**
* Gets the caret position in the text.
*
* @return The caret position in the text.
* @see setCaretPosition
*/
unsigned int getCaretPosition() const;
/**
* Sets the position of the caret in the text.
*
* @param position the positon of the caret.
* @see getCaretPosition
*/
void setCaretPosition(unsigned int position);
/**
* Gets the row number where the caret is currently located.
*
* @return The row number where the caret is currently located.
* @see setCaretRow
*/
unsigned int getCaretRow() const;
/**
* Sets the row where the caret should be currently located.
*
* @param The row where the caret should be currently located.
* @see getCaretRow
*/
void setCaretRow(int row);
/**
* Gets the column where the caret is currently located.
*
* @return The column where the caret is currently located.
* @see setCaretColumn
*/
unsigned int getCaretColumn() const;
/**
* Sets the column where the caret should be currently located.
*
* @param The column where the caret should be currently located.
* @see getCaretColumn
*/
void setCaretColumn(int column);
/**
* Sets the row and the column where the caret should be curretly
* located.
*
* @param row The row where the caret should be currently located.
* @param column The column where the caret should be currently located.
* @see getCaretRow, getCaretColumn
*/
void setCaretRowColumn(int row, int column);
/**
* Scrolls the text to the caret if the text box is in a scroll area.
*
* @see ScrollArea
*/
virtual void scrollToCaret();
/**
* Checks if the text box is editable.
*
* @return True it the text box is editable, false otherwise.
* @see setEditable
*/
bool isEditable() const;
/**
* Sets the text box to be editable or not.
*
* @param editable True if the text box should be editable, false otherwise.
*/
void setEditable(bool editable);
/**
* Adds a row of text to the end of the text.
*
* @param row The row to add.
*/
virtual void addRow(const std::string &row);
/**
* Checks if the text box is opaque. An opaque text box will draw
* it's background and it's text. A non opaque text box only draw it's
* text making it transparent.
*
* @return True if the text box is opaque, false otherwise.
* @see setOpaque
*/
bool isOpaque();
/**
* Sets the text box to be opaque or not. An opaque text box will draw
* it's background and it's text. A non opaque text box only draw it's
* text making it transparent.
*
* @param opaque True if the text box should be opaque, false otherwise.
* @see isOpaque
*/
void setOpaque(bool opaque);
// Inherited from Widget
// virtual void draw(Graphics* graphics);
virtual void fontChanged();
// Inherited from KeyListener
virtual void keyPressed(KeyEvent& keyEvent) override;
// Inherited from MouseListener
virtual void mousePressed(MouseEvent& mouseEvent) override;
virtual void mouseDragged(MouseEvent& mouseEvent) override;
protected:
/**
* Draws the caret. Overloaded this method if you want to
* change the style of the caret.
*
* @param graphics a Graphics object to draw with.
* @param x the x position.
* @param y the y position.
*/
virtual void drawCaret(Graphics* graphics, int x, int y);
/**
* Adjusts the text box's size to fit the text.
*/
virtual void adjustSize();
/**
* Holds all the rows of the text.
*/
std::vector<std::string> mTextRows;
/**
* Holds the current column of the caret.
*/
int mCaretColumn;
/**
* Holds the current row of the caret.
*/
int mCaretRow;
/**
* True if the text box is editable, false otherwise.
*/
bool mEditable;
/**
* True if the text box is editable, false otherwise.
*/
bool mOpaque;
};
} // namespace gcn
#endif // end GCN_TEXTBOX_HPP
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