px4-firmware/apps/examples/nxconsole/nxcon_wndo.c

209 lines
7.4 KiB
C

/****************************************************************************
* examples/nxconsole/nxcon_wndo.c
*
* 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 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 <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <semaphore.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxfonts.h>
#include "nxcon_internal.h"
/****************************************************************************
* Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static void nxwndo_redraw(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
bool morem, FAR void *arg);
static void nxwndo_position(NXWINDOW 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);
#ifdef CONFIG_NX_MOUSE
static void nxwndo_mousein(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
uint8_t buttons, FAR void *arg);
#endif
#ifdef CONFIG_NX_KBD
static void nxwndo_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch,
FAR void *arg);
#endif
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/* Background window call table */
const struct nx_callback_s g_nxconcb =
{
nxwndo_redraw, /* redraw */
nxwndo_position /* position */
#ifdef CONFIG_NX_MOUSE
, nxwndo_mousein /* mousein */
#endif
#ifdef CONFIG_NX_KBD
, nxwndo_kbdin /* my kbdin */
#endif
};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: nxwndo_redraw
****************************************************************************/
static void nxwndo_redraw(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
bool more, FAR void *arg)
{
nxgl_mxpixel_t wcolor[CONFIG_NX_NPLANES];
gvdbg("hwnd=%p rect={(%d,%d),(%d,%d)} more=%s\n",
hwnd, rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y,
more ? "true" : "false");
/* Don't attempt to redraw if the driver has not yet been opened */
if (g_nxcon_vars.hdrvr)
{
/* Inform the NX console of the redraw request */
nxcon_redraw(g_nxcon_vars.hdrvr, rect, more);
}
else
{
/* If the driver has not been opened, then just redraw the window color */
wcolor[0] = CONFIG_EXAMPLES_NXCON_WCOLOR;
(void)nxtk_fillwindow(hwnd, rect, wcolor);
}
}
/****************************************************************************
* Name: nxwndo_position
****************************************************************************/
static void nxwndo_position(NXWINDOW 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)
{
/* Report the position */
gvdbg("hwnd=%p size=(%d,%d) pos=(%d,%d) bounds={(%d,%d),(%d,%d)}\n",
hwnd, size->w, size->h, 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 (!g_nxcon_vars.haveres)
{
/* Save the background window handle */
g_nxcon_vars.hwnd = hwnd;
/* Save the background window size */
g_nxcon_vars.wndo.wsize.w = size->w;
g_nxcon_vars.wndo.wsize.h = size->h;
/* Save the window limits (these should be the same for all places and all windows */
g_nxcon_vars.xres = bounds->pt2.x + 1;
g_nxcon_vars.yres = bounds->pt2.y + 1;
g_nxcon_vars.haveres = true;
sem_post(&g_nxcon_vars.eventsem);
gvdbg("Have xres=%d yres=%d\n", g_nxcon_vars.xres, g_nxcon_vars.yres);
}
}
/****************************************************************************
* Name: nxwndo_mousein
****************************************************************************/
#ifdef CONFIG_NX_MOUSE
static void nxwndo_mousein(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
uint8_t buttons, FAR void *arg)
{
gvdbg("hwnd=%p pos=(%d,%d) button=%02x\n",
hwnd, pos->x, pos->y, buttons);
}
#endif
/****************************************************************************
* Name: nxwndo_kbdin
****************************************************************************/
#ifdef CONFIG_NX_KBD
static void nxwndo_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch,
FAR void *arg)
{
gvdbg("hwnd=%p nch=%d\n", hwnd, nch);
(void)write(1, ch, nch);
}
#endif
/****************************************************************************
* Public Functions
****************************************************************************/