/*
* The ManaPlus Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2016 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 GUI_WIDGETS_TEXTBOX_H
#define GUI_WIDGETS_TEXTBOX_H
#include "gui/widgets/widget.h"
#include "listeners/keylistener.h"
#include "listeners/mouselistener.h"
#include "localconsts.h"
/**
* A text box, meant to be used inside a scroll area. Same as the Guichan text
* box except this one doesn't have a background or border, instead completely
* relying on the scroll area.
*
* \ingroup GUI
*/
class TextBox final : public Widget,
public MouseListener,
public KeyListener
{
public:
/**
* Constructor.
*/
explicit TextBox(const Widget2 *const widget);
A_DELETE_COPY(TextBox)
~TextBox();
/**
* Sets the text after wrapping it to the current width of the widget.
*/
void setTextWrapped(const std::string &text, const int minDimension);
/**
* Get the minimum text width for the text box.
*/
int getMinWidth() const A_WARN_UNUSED
{ return mMinWidth; }
void keyPressed(KeyEvent& event) final;
void draw(Graphics *const graphics) final A_NONNULL(2);
void safeDraw(Graphics *const graphics) final A_NONNULL(2);
void setForegroundColor(const Color &color);
void setForegroundColorAll(const Color &color1,
const Color &color2);
/**
* 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(const int row) const
{ return mTextRows[row]; }
/**
* 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(const 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
{ return CAST_S32(mTextRows.size()); }
/**
* 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
{ return mCaretRow; }
/**
* Sets the row where the caret should be currently located.
*
* @param The row where the caret should be currently located.
* @see getCaretRow
*/
void setCaretRow(const 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(const 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(const int row, const int column);
/**
* Scrolls the text to the caret if the text box is in a scroll area.
*
* @see ScrollArea
*/
void scrollToCaret();
/**
* Checks if the text box is editable.
*
* @return True it the text box is editable, false otherwise.
* @see setEditable
*/
bool isEditable() const
{ return mEditable; }
/**
* Sets the text box to be editable or not.
*
* @param editable True if the text box should be editable, false otherwise.
*/
void setEditable(const bool editable)
{ mEditable = editable; }
/**
* Adds a row of text to the end of the text.
*
* @param row The row to add.
*/
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() const
{ return mOpaque; }
/**
* 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(const bool opaque)
{ mOpaque = opaque; }
void fontChanged() final
{ adjustSize(); }
void mousePressed(MouseEvent& event) final;
void mouseDragged(MouseEvent& event) final;
private:
/**
* 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.
*/
void drawCaret(Graphics *const graphics,
const int x,
const int y) const A_NONNULL(2);
/**
* Adjusts the text box's size to fit the text.
*/
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;
int mMinWidth;
/**
* True if the text box is editable, false otherwise.
*/
bool mEditable;
/**
* True if the text box is editable, false otherwise.
*/
bool mOpaque;
};
#endif // GUI_WIDGETS_TEXTBOX_H
