/**************************************************************************** * examples/nx/nx_events.c * * Copyright (C) 2008 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #include #include #include #include #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