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/****************************************************************************
* NxWidgets/libnxwidgets/src/ccallback.cxx
*
* 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdint.h>
#include <stdbool.h>
#include <debug.h>
#include "cwidgetcontrol.hxx"
#include "ccallback.hxx"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Method Implementations
****************************************************************************/
using namespace NXWidgets;
/**
* Constructor.
*
* @param pWidgetControl Control object associated with this window
*/
CCallback::CCallback(CWidgetControl *pWidgetControl)
{
// Initialize the callback vtable
m_callbacks.redraw = redraw;
m_callbacks.position = position;
m_callbacks.mousein = newMouseEvent;
m_callbacks.kbdin = newKeyboardEvent;
}
/**
* ReDraw Callback. The redraw action is handled by CWidgetControl:redrawEvent.
*
* @param hWindow Handle to a specific NX window.
* @param pRect The rectangle that needs to be re-drawn (in window
* relative coordinates).
* @param bMore true: More re-draw requests will follow.
* @param pvArg User provided argument (see nx_openwindow, nx_requestbg,
* nxtk_openwindow, or nxtk_opentoolbar).
*/
void CCallback::redraw(NXHANDLE hWindow,
FAR const struct nxgl_rect_s *pRect,
bool bMore, FAR void *pvArg)
{
gvdbg("hWindow=%p pRect={(%d,%d),(%d,%d)} bMore=%s\n",
hWindow,
pRect->pt1.x, pRect->pt1.y, pRect->pt2.x, pRect->pt2.y,
bMore ? "true" : "false");
// The argument must be the CWidgetControl instance
CWidgetControl *This = (CWidgetControl *)pvArg;
// Just forward the callback to the CWidgetControl::redrawEvent method
This->redrawEvent(pRect, bMore);
}
/**
* Position Callback. The new positional data is handled by
* CWidgetControl::geometryEvent.
*
* @param hWindow Handle to a specific NX window.
* @param pSize The size of the window.
* @param pPos The position of the upper left hand corner of the window on
* the overall display.
* @param pBounds The bounding rectangle that describes the entire display.
* @param pvArg User provided argument (see nx_openwindow, nx_requestbg,
* nxtk_openwindow, or nxtk_opentoolbar).
*/
void CCallback::position(NXHANDLE hWindow,
FAR const struct nxgl_size_s *pSize,
FAR const struct nxgl_point_s *pPos,
FAR const struct nxgl_rect_s *pBounds,
FAR void *pvArg)
{
gvdbg("hWindow=%p pSize=(%d,%d) pPos=(%d,%d) pBounds={(%d,%d),(%d,%d)} pvArg=%p\n",
hWindow, pSize->w, pSize->h, pPos->x, pPos->y,
pBounds->pt1.x, pBounds->pt1.y, pBounds->pt2.x, pBounds->pt2.y,
pvArg);
// The argument must be the CWidgetControl instance
CWidgetControl *This = (CWidgetControl *)pvArg;
// Just forward the callback to the CWidgetControl::geometry method
This->geometryEvent(hWindow, pSize, pPos, pBounds);
}
/**
* New mouse data is available for the window. The new mouse data is
* handled by CWidgetControl::newMouseEvent.
*
* @param hWindow Handle to a specific NX window.
* @param pPos The (x,y) position of the mouse.
* @param buttons See NX_MOUSE_* definitions.
* @param pvArg User provided argument (see nx_openwindow, nx_requestbg,
* nxtk_openwindow, or nxtk_opentoolbar).
*/
#ifdef CONFIG_NX_MOUSE
void CCallback::newMouseEvent(NXHANDLE hWindow,
FAR const struct nxgl_point_s *pPos,
uint8_t buttons, FAR void *pvArg)
{
gvdbg("hWindow=%p pPos=(%d,%d) buttons=%02x pvArg=%p\n",
hWindow, pPos->x, pPos->y, buttons, pvArg);
// The argument must be the CWidgetControl instance
CWidgetControl *This = (CWidgetControl *)pvArg;
// Just forward the callback to the CWidgetControl::newMouseEvent method
This->newMouseEvent(pPos, buttons);
}
#endif /* CONFIG_NX_MOUSE */
/**
* New keyboard/keypad data is available for the window. The new keyboard
* data is handled by CWidgetControl::newKeyboardEvent.
*
* @param hWindow Handle to a specific NX window.
* @param nCh The number of characters that are available in pStr[].
* @param pStr The array of characters.
* @param pvArg User provided argument (see nx_openwindow, nx_requestbg,
* nxtk_openwindow, or nxtk_opentoolbar).
*/
#ifdef CONFIG_NX_KBD
void CCallback::newKeyboardEvent(NXHANDLE hWindow, uint8_t nCh,
FAR const uint8_t *pStr,
FAR void *pvArg)
{
gvdbg("hWindow=%p nCh=%d pvArg=%p\n",
hWindow, nCh, pvArg);
// The argument must be the CWidgetControl instance
CWidgetControl *This = (CWidgetControl *)pvArg;
// Just forward the callback to the CWidgetControl::newKeyboardEvent method
This->newKeyboardEvent(nCh, pStr);
}
#endif // CONFIG_NX_KBD
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