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337 lines
12 KiB
337 lines
12 KiB
/**************************************************************************** |
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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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