327 lines
11 KiB
C++
327 lines
11 KiB
C++
/****************************************************************************
|
|
* NxWidgets/libnxwidgets/include/cbuttonarray.hxx
|
|
*
|
|
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* 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 <nuttx/config.h>
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
|
|
#include <nuttx/nx/nxglib.h>
|
|
|
|
#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 position 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
|