/**************************************************************************** * NxWidgets/libnxwidgets/include/itextbox.hxx * * Copyright (C) 2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 NuttX, NxWidgets, nor the names of its contributors * me 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. * **************************************************************************** * * Portions of this package derive from Woopsi (http://woopsi.org/) and * portions are original efforts. It is difficult to determine at this * point what parts are original efforts and which parts derive from Woopsi. * However, in any event, the work of Antony Dzeryn will be acknowledged * in most NxWidget files. Thanks Antony! * * Copyright (c) 2007-2011, Antony Dzeryn * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 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. * * Neither the names "Woopsi", "Simian Zombie" 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 Antony Dzeryn ``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 Antony Dzeryn 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 __INCLUDE_ITEXTBOX_HXX #define __INCLUDE_ITEXTBOX_HXX /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include "cnxstring.hxx" #include "cwidgetstyle.hxx" #include "cwidgeteventargs.hxx" /**************************************************************************** * Pre-Processor Definitions ****************************************************************************/ /**************************************************************************** * Abstract Base Classes ****************************************************************************/ #if defined(__cplusplus) namespace NXWidgets { /** * Cursor display options. */ typedef enum { SHOW_CURSOR_ONFOCUS = 0, /**< Show the cursor only if the widget has focus */ SHOW_CURSOR_NEVER, /**< The cursor is never displayed */ SHOW_CURSOR_ALWAYS /**< Always show the cursor */ } EShowCursor; /** * Defines the interface that textbox-like classes should implement. */ class ITextBox { public: /** * A virtual destructor is required in order to override the ITextBox * destructor. We do this because if we delete ITextBox, we want the * destructor of the class that inherits from ITextBox to run, not this * one. */ virtual ~ITextBox(void) { } /** * Sets the cursor display mode. * *@param cursorMode Determines cursor display mode */ virtual void showCursor(EShowCursor cursorMode) = 0; /** * Enables/disables cursor wrapping * * @param wrap True enables cursor wrapping */ virtual void wrapCursor(bool wrap) = 0; /** * Set the text displayed in the label. * * @param text String to display. */ virtual void setText(const CNxString &text) = 0; /** * Append new text to the end of the current text displayed in the * label. * * @param text String to append. */ virtual void appendText(const CNxString &text) = 0; /** * Remove all characters from the string from the start index onwards. * * @param startIndex Index to remove from. */ virtual void removeText(const unsigned int startIndex) = 0; /** * Remove specified number of characters from the string from the * start index onwards. * * @param startIndex Index to remove from. * @param count Number of characters to remove. */ virtual void removeText(const unsigned int startIndex, const unsigned int count) = 0; /** * Insert text at the specified index. * * @param text The text to insert. * @param index Index at which to insert the text. */ virtual void insertText(const CNxString &text, const unsigned int index) = 0; /** * Insert text at the current cursor position. * * @param text The text to insert. */ virtual void insertTextAtCursor(const CNxString &text) = 0; /** * Move the cursor to the text position specified. 0 indicates the * start of the string. If position is greater than the length of the * string, the cursor is moved to the end of the string. * * @param position The new cursor position. */ virtual void moveCursorToPosition(const int position) = 0; /** * Get the cursor position. This is the index within the string that * the cursor is currently positioned over. * @return position The cursor position. */ virtual const int getCursorPosition(void) const = 0; }; } #endif // __cplusplus #endif // __INCLUDE_ITEXTBOX_HXX