/****************************************************************************
* examples/nx/nx_events.c
*
* Copyright (C) 2008 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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 nor the names of its contributors may 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 <stdlib.h>
#include <semaphore.h>
#include <debug.h>
#include <errno.h>
#include <nuttx/nx.h>
#include "nx_internal.h"
/****************************************************************************
* Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static void nxeg_redraw1(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
boolean morem, FAR void *arg);
static void nxeg_redraw2(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
boolean more, FAR void *arg);
static void nxeg_position1(NXWINDOW hwnd, FAR const struct nxgl_rect_s *size,
FAR const struct nxgl_point_s *pos,
FAR const struct nxgl_rect_s *bounds,
FAR void *arg);
static void nxeg_position2(NXWINDOW hwnd, FAR const struct nxgl_rect_s *size,
FAR const struct nxgl_point_s *pos,
FAR const struct nxgl_rect_s *bounds,
FAR void *arg);
#ifdef CONFIG_NX_MOUSE
static void nxeg_mousein1(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
ubyte buttons, FAR void *arg);
static void nxeg_mousein2(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
ubyte buttons, FAR void *arg);
#endif
#ifdef CONFIG_NX_KBD
static void nxeg_kbdin(NXWINDOW hwnd, ubyte nch, const ubyte *ch);
#endif
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
const struct nx_callback_s g_nxcb1 =
{
nxeg_redraw1, /* redraw */
nxeg_position1 /* position */
#ifdef CONFIG_NX_MOUSE
, nxeg_mousein1 /* mousein */
#endif
#ifdef CONFIG_NX_KBD
, nxeg_kbdin1 /* my kbdin */
#endif
};
const struct nx_callback_s g_nxcb2 =
{
nxeg_redraw2, /* redraw */
nxeg_position2 /* position */
#ifdef CONFIG_NX_MOUSE
, nxeg_mousein2 /* mousein */
#endif
#ifdef CONFIG_NX_KBD
, nxeg_kbdin2 /* my kbdin */
#endif
};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: nxeg_redraw1
****************************************************************************/
static void nxeg_redraw1(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
boolean more, FAR void *arg)
{
message("nxeg_redraw%d: hwnd=%p rect={(%d,%d),(%d,%d)} more=%s\n",
(int)arg, hwnd,
rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y,
more ? "TRUE" : "FALSE");
nx_fill(hwnd, rect, g_color1);
}
/****************************************************************************
* Name: nxeg_redraw2
****************************************************************************/
static void nxeg_redraw2(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
boolean more, FAR void *arg)
{
message("nxeg_redraw%d: hwnd=%p rect={(%d,%d),(%d,%d)} more=%s\n",
(int)arg, hwnd,
rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y,
more ? "TRUE" : "FALSE");
nx_fill(hwnd, rect, g_color2);
}
/****************************************************************************
* Name: nxeg_position1
****************************************************************************/
static void nxeg_position1(NXWINDOW hwnd, FAR const struct nxgl_rect_s *size,
FAR const struct nxgl_point_s *pos,
FAR const struct nxgl_rect_s *bounds,
FAR void *arg)
{
/* Report the position */
message("nxeg_position%d: hwnd=%p size={(%d,%d),(%d,%d)} pos=(%d,%d) bounds={(%d,%d),(%d,%d)}\n",
arg, hwnd,
size->pt1.x, size->pt1.y, size->pt2.x, size->pt2.y,
pos->x, pos->y,
bounds->pt1.x, bounds->pt1.y, bounds->pt2.x, bounds->pt2.y);
/* Have we picked off the window bounds yet? */
if (!b_haveresolution)
{
/* Save the window limits (these should be the same for all places and all windows */
g_xres = bounds->pt2.x;
g_yres = bounds->pt2.y;
b_haveresolution = TRUE;
sem_post(&g_semevent);
message("nxeg_position2: Have xres=%d yres=%d\n", g_xres, g_yres);
}
}
/****************************************************************************
* Name: nxeg_position2
****************************************************************************/
static void nxeg_position2(NXWINDOW hwnd, FAR const struct nxgl_rect_s *size,
FAR const struct nxgl_point_s *pos,
FAR const struct nxgl_rect_s *bounds,
FAR void *arg)
{
/* Report the position */
message("nxeg_position%d: hwnd=%p size={(%d,%d),(%d,%d)} pos=(%d,%d) bounds={(%d,%d),(%d,%d)}\n",
arg, hwnd,
size->pt1.x, size->pt1.y, size->pt2.x, size->pt2.y,
pos->x, pos->y,
bounds->pt1.x, bounds->pt1.y, bounds->pt2.x, bounds->pt2.y);
}
/****************************************************************************
* Name: nxeg_mousein1
****************************************************************************/
#ifdef CONFIG_NX_MOUSE
static void nxeg_mousein1(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
ubyte buttons, FAR void *arg)
{
message("nxeg_mousein%d: hwnd=%p pos=(%d,%d) button=%02x\n",
(int)arg, hwnd, pos->x, pos->y, buttons);
}
#endif
/****************************************************************************
* Name: nxeg_mousein2
****************************************************************************/
#ifdef CONFIG_NX_MOUSE
static void nxeg_mousein2(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
ubyte buttons, FAR void *arg)
{
message("nxeg_mousein%d: hwnd=%p pos=(%d,%d) button=%02x\n",
(int)arg, hwnd, pos->x, pos->y, buttons);
}
#endif
/****************************************************************************
* Name: nxeg_kbdinfo
****************************************************************************/
#ifdef CONFIG_NX_KBD
static void nxeg_kbdinfo(ubyte nch, const ubyte *ch)
{
int i;
for (i = 0; i < nch; i++)
{
if (isprint(ch[i]))
{
message(" ch[%d]= (%02x)", i, ch[i]);
}
else
{
message(" ch[%d]=%c (%02x)", i, ch[i], ch[i]);
}
}
}
#endif
/****************************************************************************
* Name: nxeg_kbdin1
****************************************************************************/
#ifdef CONFIG_NX_KBD
static void nxeg_kbdin1(NXWINDOW hwnd, ubyte nch, const ubyte *ch)
{
message("nxeg_kbdin1: hwnd=%p nch=%d\n", hwnd, nch);
nxeg_kbdinfo(nch, ch);
}
#endif
/****************************************************************************
* Name: nxeg_kbdin2
****************************************************************************/
#ifdef CONFIG_NX_KBD
static void nxeg_kbdin2(NXWINDOW hwnd, ubyte nch, const ubyte *ch)
{
message("nxeg_kbdin2: hwnd=%p nch=%d\n", hwnd, nch);
nxeg_kbdinfo(nch, ch);
}
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nx_listenerthread
****************************************************************************/
#ifdef CONFIG_NX_MULTIUSER
FAR void *nx_listenerthread(FAR void *arg)
{
int ret;
/* Set up to catch a signal */
/* Process events forever */
for (;;)
{
/* Handle the next event. If we were configured blocking, then
* we will stay right here until the next event is received. Since
* we have dedicated a while thread to servicing events, it would
* be most natural to also select CONFIG_NX_BLOCKING -- if not, the
* following would be a tight infinite loop (unless we added addition
* logic with nx_eventnotify and sigwait to pace it).
*/
ret = nx_eventhandler(g_hnx);
if (ret < 0)
{
/* An error occurred... assume that we have lost connection with
* the server.
*/
message("nx_listenerthread: Lost server connection: %d\n", errno);
exit(NXEXIT_LOSTSERVERCONN);
}
/* If we received a message, we must be connected */
if (!g_connected)
{
g_connected = TRUE;
sem_post(&g_semevent);
message("nx_listenerthread: Connected\n");
}
}
}
#endif
