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authorAndrei Karas <akaras@inbox.ru>2014-02-15 18:07:17 +0300
committerAndrei Karas <akaras@inbox.ru>2014-02-15 18:38:03 +0300
commitcde42202d69e178da73c698065deca54b24054fd (patch)
treed636965ecde85db8de36fa65735920826e8e191b /src/gui/base/widgets/textfield.hpp
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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_TEXTFIELD_HPP
+#define GCN_TEXTFIELD_HPP
+
+#include "gui/base/keylistener.hpp"
+#include "gui/base/mouselistener.hpp"
+#include "gui/base/widget.hpp"
+
+#include <string>
+
+namespace gcn
+{
+ /**
+ * An implementation of a text field where a user can enter a line of text.
+ */
+ class TextField:
+ public Widget,
+ public MouseListener,
+ public KeyListener
+ {
+ public:
+ /**
+ * Constructor.
+ */
+ TextField();
+
+ /**
+ * Constructor. The text field will be automatically resized
+ * to fit the text.
+ *
+ * @param text The default text of the text field.
+ */
+ explicit TextField(const std::string& text);
+
+ A_DELETE_COPY(TextField)
+
+ /**
+ * Sets the text of the text field.
+ *
+ * @param text The text of the text field.
+ * @see getText
+ */
+ void setText(const std::string& text);
+
+ /**
+ * Gets the text of the text field.
+ *
+ * @return The text of the text field.
+ * @see setText
+ */
+ const std::string& getText() const;
+
+ /**
+ * Adjusts the size of the text field to fit the text.
+ */
+ void adjustSize();
+
+ /**
+ * Adjusts the height of the text field to fit caption.
+ */
+ void adjustHeight();
+
+ /**
+ * Sets the caret position. As there is only one line of text
+ * in a text field the position is the caret's x coordinate.
+ *
+ * @param position The caret position.
+ * @see getCaretPosition
+ */
+ void setCaretPosition(unsigned int position);
+
+ /**
+ * Gets the caret position. As there is only one line of text
+ * in a text field the position is the caret's x coordinate.
+ *
+ * @return The caret position.
+ * @see setCaretPosition
+ */
+ unsigned int getCaretPosition() const;
+
+
+ // Inherited from Widget
+
+ virtual void fontChanged();
+
+ // 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 the Graphics object to draw with.
+ * @param x the caret's x-position.
+ */
+ virtual void drawCaret(Graphics* graphics, int x);
+
+ /**
+ * Scrolls the text horizontally so that the caret shows if needed.
+ * The method is used any time a user types in the text field so the
+ * caret always will be shown.
+ */
+ void fixScroll();
+
+ /**
+ * Holds the text of the text box.
+ */
+ std::string mText;
+
+ /**
+ * Holds the caret position.
+ */
+ unsigned int mCaretPosition;
+
+ /**
+ * Holds the amount scrolled in x. If a user types more characters than
+ * the text field can display, due to the text field being to small, the
+ * text needs to scroll in order to show the last type character.
+ */
+ int mXScroll;
+ };
+} // namespace gcn
+
+#endif // end GCN_TEXTFIELD_HPP