/**************************************************************************** * NxWidgets/libnxwidgets/include/cbuttonarray.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. * ****************************************************************************/ #ifndef __INCLUDE_CBUTTONARRAY_HXX #define __INCLUDE_CBUTTONARRAY_HXX /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include "clabel.hxx" #include "cwidgetstyle.hxx" /**************************************************************************** * Pre-Processor Definitions ****************************************************************************/ /**************************************************************************** * Implementation Classes ****************************************************************************/ #if defined(__cplusplus) namespace NXWidgets { /** * Forward references */ class CWidgetControl; class CNxString; /** * Manages a two-dimensional array of buttons as one widget. A two- * dimensional array of buttons might also be called a "keyboard". */ class CButtonArray : public CNxWidget { protected: uint8_t m_buttonColumns; /**< The number of columns in one row */ uint8_t m_buttonRows; /**< The number buttons in one column */ bool m_redrawButton; /**< True: Redraw button; False: redraw all */ bool m_cursorOn; /**< Cursor on; highlighted button displayed */ bool m_cursorChange; /**< True: Redraw cursor button only */ nxgl_coord_t m_buttonWidth; /**< The width of one button in pixels */ nxgl_coord_t m_buttonHeight; /**< The height of one button in rows */ nxgl_coord_t m_clickX; /**< The X position of the last clicked button */ nxgl_coord_t m_clickY; /**< The Y position of the last clicked button */ uint8_t m_cursorColumn; /**< The column index of the highlighted button */ uint8_t m_cursorRow; /**< The row index of the highlighted button */ CNxString *m_buttonText; /**< Text for each button */ /** * Draw the area of this widget that falls within the clipping region. * Called by the redraw() function to draw all visible regions. * * @param port The CGraphicsPort to draw to. * @see redraw() */ virtual void drawContents(CGraphicsPort *port); /** * Draw the area of this widget that falls within the clipping region. * Called by the redraw() function to draw all visible regions. * * @param port The CGraphicsPort to draw to. * @see redraw() */ virtual void drawBorder(CGraphicsPort *port); /** * Redraw only one button * * @param port The CGraphicsPort to draw to. * @param column The button column index * @param row The button row index * @param useClicked Draw the button using the 'clicked' button style, * regardless of the actual button state. * @see onClick() and onRelease() */ virtual void drawButton(CGraphicsPort *port, int column, int row, bool useClicked); /** * Redraws the button. * * @param x The x coordinate of the click. * @param y The y coordinate of the click. */ virtual void onClick(nxgl_coord_t x, nxgl_coord_t y); /** * Raises an action. * * @param x The x coordinate of the mouse. * @param y The y coordinate of the mouse. */ virtual void onPreRelease(nxgl_coord_t x, nxgl_coord_t y); /** * Redraws the button. * * @param x The x coordinate of the mouse. * @param y The y coordinate of the mouse. */ virtual void onRelease(nxgl_coord_t x, nxgl_coord_t y); /** * Redraws the button. * * @param x The x coordinate of the mouse. * @param y The y coordinate of the mouse. */ virtual void onReleaseOutside(nxgl_coord_t x, nxgl_coord_t y); /** * Convert an X/Y position to a button column/row index * * @param x The x position * @param y The y position * @param column The location to return the column index of the button * of interest * @param row The location to return the row index of the button of * interest * @return false is the position is invalid */ virtual bool posToButton(nxgl_coord_t x, nxgl_coord_t y, int &column, int &row); /** * Updates the GUI after the text has changed. */ virtual void onTextChange(void); /** * Copy constructor is protected to prevent usage. */ inline CButtonArray(const CButtonArray &button) : CNxWidget(button) { } public: /** * Constructor for an array of buttons. * * @param pWidgetControl The widget control for the display. * @param x The x coordinate of the button array, relative to its parent. * @param y The y coordinate of the button array, relative to its parent. * @param buttonColumns The number of buttons in one row of the button array * @param buttonRows The number of buttons in one column of the button array * @param buttonWidth The width of one button * @param buttonHeight The height of one button * @param style The style that the button should use. If this is not * specified, the button will use the global default widget * style. */ CButtonArray(CWidgetControl *pWidgetControl, nxgl_coord_t x, nxgl_coord_t y, uint8_t buttonColumns, uint8_t buttonRows, nxgl_coord_t buttonWidth, nxgl_coord_t buttonHeight, CWidgetStyle *style = (CWidgetStyle *)NULL); /** * CButtonArray Destructor. */ ~CButtonArray(void); /** * Returns the string shown in the label. * * @param column The column index of the button of interest * @param row The row index of the button of interest * @return The label's text. */ virtual const CNxString &getText(int column, int row) const; /** * Set the text displayed in the label. * * @param column The column index of the button to set * @param row The row index of the button to set * @param text String to display. */ virtual void setText(int column, int row, const CNxString &text); /** * Return the position of the last clicked button (0,0 will be returned * the no button has every been clicked). The button at this position * is currently clicked then, in addition, return true. * * @param column The location to return the column index of the button * of interest * @param row The location to return the row index of the button of * interest * @return True if any button in the array is clicked */ virtual bool isButtonClicked(int &column, int &row) const; /** * Check if this specific button in the array is clicked * * @param column The column of the button to check. * @param row The row of the button to check. * @return True if this button is clicked */ virtual bool isThisButtonClicked(int column, int row) const; /** * Control the cursor state. * * @param cursorOn True(1), the current cursor position will be highlighted */ virtual void cursor(bool cursorOn); /** * Return the current cursor position (button indices) and an indication * if the button at the cursor is currently hightlighted. * * @param column The location to return the column index of the button * of interest * @param row The location to return the row index of the button of * interest * @return True if the cursor is enabled and the button is highlighted */ virtual bool getCursorPosition(int &column, int &row) const; /** * Set the cursor position (button indices). Note that the cursor * does not have to be enabled to set the position. * * @param column The column index of the button of interest * @param row The row index of the button of interest * @return True if the cursor position is valid */ virtual bool setCursorPosition(int column, int row); /** * Check if this specific button in the array is at the cursor position * and highlighted. * * @param column The column of the button to check. * @param row The row of the button to check. * @return True if this button is at the cursor postion and highlighted. */ virtual bool isCursorPosition(int column, int row) const; /** * Insert the dimensions that this widget wants to have into the rect * passed in as a parameter. All coordinates are relative to the * widget's parent. * * @param rect Reference to a rect to populate with data. */ virtual void getPreferredDimensions(CRect &rect) const; /** * Sets the font. * * @param font A pointer to the font to use. */ virtual void setFont(CNxFont *font); }; } #endif // __cplusplus #endif // __INCLUDE_CBUTTONARRAY_HXX