nuttx-apps/libnxwidgets/src/ccallback.cxx
patacongo 43cae03680 NxWM::CNxConsole and NXWidgets::CCallback can now redirect keyboard input to the NxConsole driver
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4754 42af7a65-404d-4744-a932-0658087f49c3
2012-05-20 18:56:14 +00:00

264 lines
8.8 KiB
C++

/****************************************************************************
* 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>
#ifdef CONFIG_NXCONSOLE_NXKBDIN
# include <nuttx/nx/nxconsole.h>
#endif
#include "cwidgetcontrol.hxx"
#include "ccallback.hxx"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Method Implementations
****************************************************************************/
using namespace NXWidgets;
/**
* Constructor.
*
* @param widgetControl Control object associated with this window
*/
CCallback::CCallback(CWidgetControl *widgetControl)
{
// Save the widgetControl
m_widgetControl = widgetControl;
// Initialize the callback vtable
m_callbacks.redraw = redraw;
m_callbacks.position = position;
#ifdef CONFIG_NX_MOUSE
m_callbacks.mousein = newMouseEvent;
#endif
#ifdef CONFIG_NX_KBD
m_callbacks.kbdin = newKeyboardEvent;
#endif
m_callbacks.blocked = windowBlocked;
// Keyboard input is initially direct to the widgets within the window
#ifdef CONFIG_NXCONSOLE_NXKBDIN
m_nxconsole = (NXCONSOLE)0;
#endif
}
/**
* ReDraw Callback. The redraw action is handled by CWidgetControl:redrawEvent.
*
* @param hwnd Handle to a specific NX window.
* @param rect The rectangle that needs to be re-drawn (in window
* relative coordinates).
* @param bMore true: More re-draw requests will follow.
* @param arg User provided argument (see nx_openwindow, nx_requestbg,
* nxtk_openwindow, or nxtk_opentoolbar).
*/
void CCallback::redraw(NXHANDLE hwnd,
FAR const struct nxgl_rect_s *rect,
bool bMore, FAR void *arg)
{
gvdbg("hwnd=%p rect={(%d,%d),(%d,%d)} bMore=%s\n",
hwnd,
rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y,
bMore ? "true" : "false");
// The argument must be the CCallback instance
CCallback *This = (CCallback *)arg;
// Just forward the callback to the CWidgetControl::redrawEvent method
This->m_widgetControl->redrawEvent(rect, bMore);
}
/**
* Position Callback. The new positional data is handled by
* CWidgetControl::geometryEvent.
*
* @param hwnd Handle to a specific NX window.
* @param size The size of the window.
* @param pos The position of the upper left hand corner of the window on
* the overall display.
* @param bounds The bounding rectangle that describes the entire display.
* @param arg User provided argument (see nx_openwindow, nx_requestbg,
* nxtk_openwindow, or nxtk_opentoolbar).
*/
void CCallback::position(NXHANDLE hwnd,
FAR const struct nxgl_size_s *size,
FAR const struct nxgl_point_s *pos,
FAR const struct nxgl_rect_s *bounds,
FAR void *arg)
{
gvdbg("hwnd=%p size=(%d,%d) pos=(%d,%d) bounds={(%d,%d),(%d,%d)} arg=%p\n",
hwnd, size->w, size->h, pos->x, pos->y,
bounds->pt1.x, bounds->pt1.y, bounds->pt2.x, bounds->pt2.y,
arg);
// The argument must be the CCallback instance
CCallback *This = (CCallback *)arg;
// Just forward the callback to the CWidgetControl::geometry method
This->m_widgetControl->geometryEvent(hwnd, size, pos, bounds);
}
/**
* New mouse data is available for the window. The new mouse data is
* handled by CWidgetControl::newMouseEvent.
*
* @param hwnd Handle to a specific NX window.
* @param pos The (x,y) position of the mouse.
* @param buttons See NX_MOUSE_* definitions.
* @param arg User provided argument (see nx_openwindow, nx_requestbg,
* nxtk_openwindow, or nxtk_opentoolbar).
*/
#ifdef CONFIG_NX_MOUSE
void CCallback::newMouseEvent(NXHANDLE hwnd,
FAR const struct nxgl_point_s *pos,
uint8_t buttons, FAR void *arg)
{
gvdbg("hwnd=%p pos=(%d,%d) buttons=%02x arg=%p\n",
hwnd, pos->x, pos->y, buttons, arg);
// The argument must be the CCallback instance
CCallback *This = (CCallback *)arg;
// Just forward the callback to the CWidgetControl::newMouseEvent method
This->m_widgetControl->newMouseEvent(pos, buttons);
}
#endif /* CONFIG_NX_MOUSE */
/**
* New keyboard/keypad data is available for the window. The new keyboard
* data is handled by CWidgetControl::newKeyboardEvent.
*
* @param hwnd Handle to a specific NX window.
* @param nCh The number of characters that are available in str[].
* @param str The array of characters.
* @param arg User provided argument (see nx_openwindow, nx_requestbg,
* nxtk_openwindow, or nxtk_opentoolbar).
*/
#ifdef CONFIG_NX_KBD
void CCallback::newKeyboardEvent(NXHANDLE hwnd, uint8_t nCh,
FAR const uint8_t *str,
FAR void *arg)
{
gvdbg("hwnd=%p nCh=%d arg=%p\n", hwnd, nCh, arg);
// The argument must be the CCallback instance
CCallback *This = (CCallback *)arg;
// Is NX keyboard input being directed to the widgets within the window
// (default) OR is NX keyboard input being re-directed to an NxConsole
// driver?
#ifdef CONFIG_NXCONSOLE_NXKBDIN
if (This->m_nxconsole)
{
// Keyboard input is going to an NxConsole
nxcon_kbdin(This->m_nxconsole, str, nCh);
}
else
#endif
{
// Just forward the callback to the CWidgetControl::newKeyboardEvent method
This->m_widgetControl->newKeyboardEvent(nCh, str);
}
}
/**
* This callback is the response from nx_block (or nxtk_block). Those
* blocking interfaces are used to assure that no further messages are
* directed to the window. Receipt of the blocked callback signifies
* that (1) there are no further pending callbacks and (2) that the
* window is now 'defunct' and will receive no further callbacks.
*
* This callback supports coordinated destruction of a window in multi-
* user mode. In multi-use more, the client window logic must stay
* intact until all of the queued callbacks are processed. Then the
* window may be safely closed. Closing the window prior with pending
* callbacks can lead to bad behavior when the callback is executed.
*
* @param hwnd. Window handle of the blocked window
* @param arg1. User provided argument (see nx_openwindow, nx_requestbkgd,
* nxtk_openwindow, or nxtk_opentoolbar)
* @param arg2 - User provided argument (see nx_block or nxtk_block)
*/
#ifdef CONFIG_NX_MULTIUSER
void CCallback::windowBlocked(NXWINDOW hwnd, FAR void *arg1, FAR void *arg2)
{
gvdbg("hwnd=%p arg1=%p arg2=%p\n", hwnd, arg1, arg2);
// The first argument must be the CCallback instance
CCallback *This = (CCallback *)arg1;
// Just forward the callback to the CWidgetControl::windowBlocked method
This->m_widgetControl->windowBlocked(arg2);
}
#endif
#endif // CONFIG_NX_KBD