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Diffstat (limited to 'src/guichan/widgets/textbox.hpp')
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diff --git a/src/guichan/widgets/textbox.hpp b/src/guichan/widgets/textbox.hpp new file mode 100644 index 000000000..b00dcef20 --- /dev/null +++ b/src/guichan/widgets/textbox.hpp @@ -0,0 +1,289 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * 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 <ctime> +#include <string> +#include <vector> + +#include "guichan/keylistener.hpp" +#include "guichan/mouselistener.hpp" +#include "guichan/platform.hpp" +#include "guichan/widget.hpp" + +namespace gcn +{ + /** + * An implementation of a text box where a user can enter text that contains of many lines. + */ + class GCN_CORE_DECLSPEC TextBox: + public Widget, + public MouseListener, + public KeyListener + { + public: + /** + * Constructor. + */ + TextBox(); + + /** + * Constructor. + * + * @param text The default text of the text box. + */ + TextBox(const std::string& text); + + /** + * 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); + + + // Inherited from MouseListener + + virtual void mousePressed(MouseEvent& mouseEvent); + + virtual void mouseDragged(MouseEvent& mouseEvent); + + 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; + }; +} + +#endif // end GCN_TEXTBOX_HPP |