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Diffstat (limited to 'NxWidgets/libnxwidgets/include/cnxwindow.hxx')
-rw-r--r-- | NxWidgets/libnxwidgets/include/cnxwindow.hxx | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/NxWidgets/libnxwidgets/include/cnxwindow.hxx b/NxWidgets/libnxwidgets/include/cnxwindow.hxx new file mode 100644 index 000000000..4a371bb27 --- /dev/null +++ b/NxWidgets/libnxwidgets/include/cnxwindow.hxx @@ -0,0 +1,307 @@ +/**************************************************************************** + * NxWidgets/libnxwidgets/include/cnxwindow.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_CNXWINDOW_HXX +#define __INCLUDE_CNXWINDOW_HXX + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <stdint.h> +#include <stdbool.h> + +#include <nuttx/nx/nxglib.h> +#include <nuttx/nx/nx.h> +#include <nuttx/nx/nxtk.h> + +#include "ccallback.hxx" +#include "inxwindow.hxx" + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Implementation Classes + ****************************************************************************/ + +#if defined(__cplusplus) + +namespace NXWidgets +{ + struct SBitmap; + + /** + * This class defines operations on a basic "raw" NX window. These windows + * are "raw" in the since that they are simply rectangular regions with + * no framing or decoration of any kind + * + * There are three instances that represent an NX window from the + * perspective of NXWidgets. + * + * - There is one widget control instance per NX window, + * - One CCallback instance per window, + * - One window instance. + * + * There a various kinds of of window instances, but each inherits + * (1) CCallback and dispatches the Windows callbacks and (2) INxWindow + * that describes the common window behavior. + */ + + class CNxWindow : protected CCallback, public INxWindow + { + private: + NXHANDLE m_hNxServer; /**< Handle to the NX server. */ + NXWINDOW m_hNxWindow; /**< Handle to the NX raw window */ + CWidgetControl *m_widgetControl; /**< The controlling widget for the window */ + + public: + + /** + * Constructor. Creates an uninitialized instance of the CNxWindow + * object. The open() method must be called to initialize the instance. + * + * The general steps to create any window include: + * 1) Create a dumb CWigetControl instance + * 2) Pass the dumb CWidgetControl instance to the window constructor + * that inherits from INxWindow. + * 3) The window constructor call CWidgetControl methods to "smarten" + * the CWidgetControl instance with window-specific knowledge. + * 4) Call the open() method on the window to display the window. + * 5) After that, the fully smartend CWidgetControl instance can + * be used to generate additional widgets. + * 6) After that, the fully smartened CWidgetControl instance can + * be used to generate additional widgets by passing it to the + * widget constructor + * + * @param hNxServer Handle to the NX server. + * @param widgetControl Controlling widget for this window. + */ + + CNxWindow(NXHANDLE hNxServer, CWidgetControl *pWidgetControl); + + /** + * Destructor. + */ + + ~CNxWindow(void); + + /** + * Creates a new window. Window creation is separate from + * object instantiation so that failures can be reported. + * + * @return True if the window was successfully opened. + */ + + bool open(void); + + /** + * Request the position and size information of the window. The values + * will be returned asynchronously through the client callback method. + * The GetPosition() method may than be called to obtain the positional + * data as provided by the callback. + * + * @return True on success, false on any failure. + */ + + bool requestPosition(void); + + /** + * Get the position of the window (as reported by the NX callback). + * + * @return The position. + */ + + bool getPosition(FAR struct nxgl_point_s *pPos); + + /** + * Get the size of the window (as reported by the NX callback). + * + * @return The size. + */ + + bool getSize(FAR struct nxgl_size_s *pSize); + + /** + * Set the position and size of the window. + * + * @param pPos The new position of the window. + * @return True on success, false on any failure. + */ + + bool setPosition(FAR const struct nxgl_point_s *pPos); + + /** + * Set the size of the selected window. + * + * @param pSize The new size of the window. + * @return True on success, false on any failure. + */ + + bool setSize(FAR const struct nxgl_size_s *pSize); + + /** + * Bring the window to the top of the display. + * + * @return True on success, false on any failure. + */ + + bool raise(void); + + /** + * Lower the window to the bottom of the display. + * + * @return True on success, false on any failure. + */ + + bool lower(void); + + /** + * Set an individual pixel in the window with the specified color. + * + * @param pPos The location of the pixel to be filled. + * @param color The color to use in the fill. + * + * @return True on success; false on failure. + */ + + bool setPixel(FAR const struct nxgl_point_s *pPos, + nxgl_mxpixel_t color); + + /** + * Fill the specified rectangle in the window with the specified color. + * + * @param pRect The location to be filled. + * @param color The color to use in the fill. + * + * @return True on success; false on failure. + */ + + bool fill(FAR const struct nxgl_rect_s *pRect, + nxgl_mxpixel_t color); + + /** + * Get the raw contents of graphic memory within a rectangular region. NOTE: + * Since raw graphic memory is returned, the returned memory content may be + * the memory of windows above this one and may not necessarily belong to + * this window unless you assure that this is the top window. + * + * @param rect The location to be copied + * @param dest - The describes the destination bitmap to receive the + * graphics data. + */ + + void getRectangle(FAR const struct nxgl_rect_s *rect, struct SBitmap *dest); + + /** + * Fill the specified trapezoidal region in the window with the specified + * color. + * + * @param pClip Clipping rectangle relative to window (may be null). + * @param pTrap The trapezoidal region to be filled. + * @param color The color to use in the fill. + * + * @return True on success; false on failure. + */ + + bool fillTrapezoid(FAR const struct nxgl_rect_s *pClip, + FAR const struct nxgl_trapezoid_s *pTrap, + nxgl_mxpixel_t color); + + /** + * Fill the specified line in the window with the specified color. + * + * @param vector - Describes the line to be drawn + * @param width - The width of the line + * @param color - The color to use to fill the line + * + * @return True on success; false on failure. + */ + + bool drawLine(FAR struct nxgl_vector_s *vector, + nxgl_coord_t width, nxgl_mxpixel_t color); + + /** + * Draw a filled circle at the specified position, size, and color. + * + * @param center The window-relative coordinates of the circle center. + * @param radius The radius of the rectangle in pixels. + * @param color The color of the rectangle. + */ + + bool drawFilledCircle(struct nxgl_point_s *center, nxgl_coord_t radius, + nxgl_mxpixel_t color); + + /** + * Move a rectangular region within the window. + * + * @param pRect Describes the rectangular region to move. + * @param pOffset The offset to move the region. + * + * @return True on success; false on failure. + */ + + bool move(FAR const struct nxgl_rect_s *pRect, + FAR const struct nxgl_point_s *pOffset); + + /** + * Copy a rectangular region of a larger image into the rectangle in the + * specified window. + * + * @param pDest Describes the rectangular on the display that will receive + * the bitmap. + * @param pSrc The start of the source image. + * @param pOrigin the pOrigin of the upper, left-most corner of the full + * bitmap. Both pDest and pOrigin are in window coordinates, however, + * pOrigin may lie outside of the display. + * @param stride The width of the full source image in bytes. + * + * @return True on success; false on failure. + */ + + bool bitmap(FAR const struct nxgl_rect_s *pDest, + FAR const void *pSrc, + FAR const struct nxgl_point_s *pOrigin, + unsigned int stride); + }; +} + +#endif // __cplusplus + +#endif // __INCLUDE_CNXWINDOW_HXX + |