forked from Archive/PX4-Autopilot
338 lines
12 KiB
C
338 lines
12 KiB
C
/****************************************************************************
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* examples/nx/nx_events.c
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*
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* Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <semaphore.h>
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#include <debug.h>
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#include <errno.h>
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#include <nuttx/nx/nx.h>
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#include <nuttx/nx/nxtk.h>
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#include "nx_internal.h"
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Types
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****************************************************************************/
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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static void nxeg_redraw(NXEGWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
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bool morem, FAR void *arg);
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static void nxeg_position(NXEGWINDOW hwnd, FAR const struct nxgl_size_s *size,
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FAR const struct nxgl_point_s *pos,
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FAR const struct nxgl_rect_s *bounds,
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FAR void *arg);
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#ifdef CONFIG_NX_MOUSE
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static void nxeg_mousein(NXEGWINDOW hwnd, FAR const struct nxgl_point_s *pos,
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uint8_t buttons, FAR void *arg);
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#endif
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#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
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static void nxeg_tbredraw(NXEGWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
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bool morem, FAR void *arg);
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static void nxeg_tbposition(NXEGWINDOW hwnd, FAR const struct nxgl_size_s *size,
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FAR const struct nxgl_point_s *pos,
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FAR const struct nxgl_rect_s *bounds,
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FAR void *arg);
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#ifdef CONFIG_NX_MOUSE
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static void nxeg_tbmousein(NXEGWINDOW hwnd, FAR const struct nxgl_point_s *pos,
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uint8_t buttons, FAR void *arg);
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#endif
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#endif
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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const struct nx_callback_s g_nxcb =
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{
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nxeg_redraw, /* redraw */
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nxeg_position /* position */
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#ifdef CONFIG_NX_MOUSE
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, nxeg_mousein /* mousein */
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#endif
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#ifdef CONFIG_NX_KBD
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, nxeg_kbdin /* my kbdin */
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#endif
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};
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#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
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const struct nx_callback_s g_tbcb =
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{
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nxeg_tbredraw, /* redraw */
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nxeg_tbposition /* position */
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#ifdef CONFIG_NX_MOUSE
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, nxeg_tbmousein /* mousein */
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#endif
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#ifdef CONFIG_NX_KBD
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, nxeg_tbkbdin /* my kbdin */
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#endif
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};
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#endif
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxeg_fillwindow
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****************************************************************************/
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static inline void nxeg_fillwindow(NXEGWINDOW hwnd,
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FAR const struct nxgl_rect_s *rect,
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FAR struct nxeg_state_s *st)
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{
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int ret;
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#ifdef CONFIG_EXAMPLES_NX_RAWWINDOWS
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ret = nx_fill(hwnd, rect, st->color);
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if (ret < 0)
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{
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message("nxeg_fillwindow: nx_fill failed: %d\n", errno);
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}
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#else
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ret = nxtk_fillwindow(hwnd, rect, st->color);
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if (ret < 0)
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{
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message("nxeg_fillwindow: nxtk_fillwindow failed: %d\n", errno);
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}
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#endif
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#ifdef CONFIG_NX_KBD
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nxeg_filltext(hwnd, rect, st);
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#endif
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}
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/****************************************************************************
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* Name: nxeg_fillwindow
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****************************************************************************/
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#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
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static inline void nxeg_filltoolbar(NXTKWINDOW htb,
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FAR const struct nxgl_rect_s *rect,
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nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
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{
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int ret;
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ret = nxtk_filltoolbar(htb, rect, color);
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if (ret < 0)
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{
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message("nxeg_filltoolbar: nxtk_filltoolbar failed: %d\n", errno);
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}
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}
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#endif
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/****************************************************************************
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* Name: nxeg_redraw
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****************************************************************************/
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static void nxeg_redraw(NXEGWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
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bool more, FAR void *arg)
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{
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FAR struct nxeg_state_s *st = (FAR struct nxeg_state_s *)arg;
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message("nxeg_redraw%d: hwnd=%p rect={(%d,%d),(%d,%d)} more=%s\n",
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st->wnum, hwnd,
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rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y,
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more ? "true" : "false");
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nxeg_fillwindow(hwnd, rect, st);
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}
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/****************************************************************************
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* Name: nxeg_position
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****************************************************************************/
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static void nxeg_position(NXEGWINDOW hwnd, FAR const struct nxgl_size_s *size,
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FAR const struct nxgl_point_s *pos,
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FAR const struct nxgl_rect_s *bounds,
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FAR void *arg)
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{
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FAR struct nxeg_state_s *st = (FAR struct nxeg_state_s *)arg;
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/* Report the position */
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message("nxeg_position%d: hwnd=%p size=(%d,%d) pos=(%d,%d) bounds={(%d,%d),(%d,%d)}\n",
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st->wnum, hwnd, size->w, size->h, pos->x, pos->y,
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bounds->pt1.x, bounds->pt1.y, bounds->pt2.x, bounds->pt2.y);
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/* Have we picked off the window bounds yet? */
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if (!b_haveresolution)
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{
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/* Save the window limits (these should be the same for all places and all windows */
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g_xres = bounds->pt2.x;
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g_yres = bounds->pt2.y;
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b_haveresolution = true;
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sem_post(&g_semevent);
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message("nxeg_position2: Have xres=%d yres=%d\n", g_xres, g_yres);
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}
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}
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/****************************************************************************
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* Name: nxeg_mousein
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****************************************************************************/
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#ifdef CONFIG_NX_MOUSE
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static void nxeg_mousein(NXEGWINDOW hwnd, FAR const struct nxgl_point_s *pos,
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uint8_t buttons, FAR void *arg)
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{
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FAR struct nxeg_state_s *st = (FAR struct nxeg_state_s *)arg;
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message("nxeg_mousein%d: hwnd=%p pos=(%d,%d) button=%02x\n",
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st->wnum, hwnd, pos->x, pos->y, buttons);
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}
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#endif
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/****************************************************************************
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* Name: nxeg_tbredraw
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****************************************************************************/
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#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
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static void nxeg_tbredraw(NXEGWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
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bool more, FAR void *arg)
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{
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FAR struct nxeg_state_s *st = (FAR struct nxeg_state_s *)arg;
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message("nxeg_tbredraw%d: hwnd=%p rect={(%d,%d),(%d,%d)} more=%s\n",
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st->wnum, hwnd,
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rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y,
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more ? "true" : "false");
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nxeg_filltoolbar(hwnd, rect, g_tbcolor);
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}
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#endif
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/****************************************************************************
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* Name: nxeg_position
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****************************************************************************/
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#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
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static void nxeg_tbposition(NXEGWINDOW hwnd, FAR const struct nxgl_size_s *size,
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FAR const struct nxgl_point_s *pos,
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FAR const struct nxgl_rect_s *bounds,
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FAR void *arg)
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{
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FAR struct nxeg_state_s *st = (FAR struct nxeg_state_s *)arg;
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/* Report the position */
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message("nxeg_ptbosition%d: hwnd=%p size=(%d,%d) pos=(%d,%d) bounds={(%d,%d),(%d,%d)}\n",
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st->wnum, hwnd, size->w, size->h, pos->x, pos->y,
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bounds->pt1.x, bounds->pt1.y, bounds->pt2.x, bounds->pt2.y);
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}
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#endif
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/****************************************************************************
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* Name: nxeg_tbmousein
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****************************************************************************/
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#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
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#ifdef CONFIG_NX_MOUSE
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static void nxeg_tbmousein(NXEGWINDOW hwnd, FAR const struct nxgl_point_s *pos,
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uint8_t buttons, FAR void *arg)
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{
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FAR struct nxeg_state_s *st = (FAR struct nxeg_state_s *)arg;
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message("nxeg_tbmousein%d: hwnd=%p pos=(%d,%d) button=%02x\n",
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st->wnum, hwnd, pos->x, pos->y, buttons);
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}
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#endif
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nx_listenerthread
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****************************************************************************/
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#ifdef CONFIG_NX_MULTIUSER
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FAR void *nx_listenerthread(FAR void *arg)
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{
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int ret;
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/* Process events forever */
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for (;;)
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{
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/* Handle the next event. If we were configured blocking, then
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* we will stay right here until the next event is received. Since
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* we have dedicated a while thread to servicing events, it would
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* be most natural to also select CONFIG_NX_BLOCKING -- if not, the
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* following would be a tight infinite loop (unless we added addition
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* logic with nx_eventnotify and sigwait to pace it).
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*/
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ret = nx_eventhandler(g_hnx);
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if (ret < 0)
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{
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/* An error occurred... assume that we have lost connection with
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* the server.
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*/
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message("nx_listenerthread: Lost server connection: %d\n", errno);
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exit(NXEXIT_LOSTSERVERCONN);
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}
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/* If we received a message, we must be connected */
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if (!g_connected)
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{
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g_connected = true;
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sem_post(&g_semevent);
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message("nx_listenerthread: Connected\n");
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}
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}
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}
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#endif
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