/**************************************************************************** * examples/nx/nx_main.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 #include #include #include #include #include "nx_internal.h" /**************************************************************************** * Definitions ****************************************************************************/ /**************************************************************************** * Private Types ****************************************************************************/ enum exitcode_e { NXEXIT_SUCCESS = 0, NXEXIT_SIGPROCMASK, NXEXIT_SIGACTION, NXEXIT_EVENTNOTIFY, NXEXIT_TASKCREATE, NXEXIT_FBINITIALIZE, NXEXIT_FBGETVPLANE, NXEXIT_NXOPEN, NXEXIT_NXCONNECT, NXEXIT_NXSETBGCOLOR, NXEXIT_NXOPENWINDOW, NXEXIT_NXSETSIZE, NXEXIT_NXSETPOSITION, NXEXIT_NXCLOSEWINDOW }; /**************************************************************************** * 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 ****************************************************************************/ static 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 }; static 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 }; /* The connecton handler */ static NXHANDLE g_hnx = NULL; static int g_exitcode = NXEXIT_SUCCESS; /* Initialized to zero, incremented when connected */ #ifdef CONFIG_NX_MULTIUSER static boolean g_connected = FALSE; #endif static boolean b_haveresolution = FALSE; static sem_t g_semevent = {0}; /* The screen resolution */ static nxgl_coord_t g_xres; static nxgl_coord_t g_yres; /* Colors used to fill window 1 & 2 */ static nxgl_mxpixel_t g_color1[CONFIG_NX_NPLANES]; static nxgl_mxpixel_t g_color2[CONFIG_NX_NPLANES]; /**************************************************************************** * 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_drivemouse ****************************************************************************/ #ifdef CONFIG_NX_MOUSE static void nxeg_drivemouse(void) { nxgl_coord_t x; nxgl_coord_t y; nxgl_coord_t xstep = g_xres / 8; nxgl_coord_t ystep = g_yres / 8; for (x = 0; x < g_xres; x += xstep) { for (y = 0; y < g_yres; y += ystep) { message("nxeg_drivemouse: Mouse left button at (%d,%d)\n", x, y); (void)nx_mousein(g_hnx, x, y, NX_MOUSE_LEFTBUTTON); } } } #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 /**************************************************************************** * Name: nxeg_suinitialize ****************************************************************************/ #ifdef CONFIG_NX_MULTIUSER static void nxeg_sigaction(int signo, FAR siginfo_t *info, FAR void *context) { int ret; /* I know... you are not supposed to call printf from signal handlers */ message("nxeg_sigaction: received signo=%d\n", signo); ret = nx_eventhandler(g_hnx); /* If we received a message, we must be connected */ if (!g_connected) { g_connected = TRUE; sem_post(&g_semevent); message("nxeg_sigaction: Connected\n"); } /* Request notification of further incoming events */ ret = nx_eventnotify(g_hnx, CONFIG_EXAMPLES_NX_NOTIFYSIGNO); if (ret < 0) { message("nxeg_sigaction: nx_eventnotify failed: %d\n", errno); } } #endif /**************************************************************************** * Name: nxeg_suinitialize ****************************************************************************/ #ifndef CONFIG_NX_MULTIUSER static inline int nxeg_suinitialize(void) { FAR struct fb_vtable_s *fb; int ret; /* Initialize the frame buffer device */ message("nxeg_initialize: Initializing framebuffer\n"); ret = up_fbinitialize(); if (ret < 0) { message("nxeg_initialize: up_fbinitialize failed: %d\n", -ret); g_exitcode = NXEXIT_FBINITIALIZE; return ERROR; } fb = up_fbgetvplane(CONFIG_EXAMPLES_NX_VPLANE); if (!fb) { message("nxeg_initialize: up_fbgetvplane failed, vplane=%d\n", CONFIG_EXAMPLES_NX_VPLANE); g_exitcode = NXEXIT_FBGETVPLANE; return ERROR; } /* Then open NX */ message("nxeg_initialize: Open NX\n"); g_hnx = nx_open(fb); if (!g_hnx) { message("user_start: nx_open failed: %d\n", errno); g_exitcode = NXEXIT_NXOPEN; return ERROR; } return OK; } #endif /**************************************************************************** * Name: nxeg_initialize ****************************************************************************/ #ifdef CONFIG_NX_MULTIUSER static inline int nxeg_muinitialize(void) { struct sigaction act; sigset_t sigset; pid_t servrid; int ret; /* Set up to catch a signal */ message("nxeg_initialize: Unmasking signal %d\n" , CONFIG_EXAMPLES_NX_NOTIFYSIGNO); (void)sigemptyset(&sigset); (void)sigaddset(&sigset, CONFIG_EXAMPLES_NX_NOTIFYSIGNO); ret = sigprocmask(SIG_UNBLOCK, &sigset, NULL); if (ret < 0) { message("nxeg_initialize: sigprocmask failed: \n", ret); g_exitcode = NXEXIT_SIGPROCMASK; return ERROR; } message("nxeg_initialize: Registering signal handler\n" ); act.sa_sigaction = nxeg_sigaction; act.sa_flags = SA_SIGINFO; (void)sigfillset(&act.sa_mask); (void)sigdelset(&act.sa_mask, CONFIG_EXAMPLES_NX_NOTIFYSIGNO); ret = sigaction(CONFIG_EXAMPLES_NX_NOTIFYSIGNO, &act, NULL); if (ret < 0) { message("nxeg_initialize: sigaction failed: %d\n" , ret); g_exitcode = NXEXIT_SIGACTION; return ERROR; } /* Start the server task */ message("nxeg_initialize: Starting nx_servertask task\n"); servrid = task_create("NX Server", CONFIG_EXAMPLES_NX_SERVERPRIO, CONFIG_EXAMPLES_NX_STACKSIZE, nx_servertask, NULL); if (servrid < 0) { message("nxeg_initialize: Failed to create nx_servertask task: %d\n", errno); g_exitcode = NXEXIT_TASKCREATE; return ERROR; } /* Wait a bit to let the server get started */ sleep(2); /* Connect to the server */ g_hnx = nx_connect(); if (g_hnx) { /* Request notification of incoming events */ ret = nx_eventnotify(g_hnx, CONFIG_EXAMPLES_NX_NOTIFYSIGNO); if (ret < 0) { message("nxeg_initialize: nx_eventnotify failed: %d\n", errno); (void)nx_disconnect(g_hnx); g_hnx = NULL; g_exitcode = NXEXIT_EVENTNOTIFY; return ERROR; } /* Don't return until we are connected to the server */ while (!g_connected) { (void)sem_wait(&g_semevent); } } else { message("user_start: nx_connect failed: %d\n", errno); g_exitcode = NXEXIT_NXCONNECT; return ERROR; } return OK; } #endif /**************************************************************************** * Name: nxeg_initialize ****************************************************************************/ static int nxeg_initialize(void) { int i; /* Initialize window colors */ for (i = 0; i < CONFIG_NX_NPLANES; i++) { g_color1[i] = CONFIG_EXAMPLES_NX_COLOR1; g_color2[i] = CONFIG_EXAMPLES_NX_COLOR2; } #ifdef CONFIG_NX_MULTIUSER return nxeg_muinitialize(); #else return nxeg_suinitialize(); #endif } /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: user_initialize ****************************************************************************/ void user_initialize(void) { } /**************************************************************************** * Name: user_start ****************************************************************************/ int user_start(int argc, char *argv[]) { NXWINDOW hwnd1; NXWINDOW hwnd2; struct nxgl_rect_s rect; struct nxgl_point_s pt; nxgl_mxpixel_t color; int ret; /* Initialize */ ret = nxeg_initialize(); message("user_start: NX handle=%p\n", g_hnx); if (!g_hnx || ret < 0) { message("user_start: Failed to get NX handle: %d\n", errno); g_exitcode = NXEXIT_NXOPEN; goto errout; } /* Set the background to the configured background color */ message("user_start: Set background color=%d\n", CONFIG_EXAMPLES_NX_BGCOLOR); color = CONFIG_EXAMPLES_NX_BGCOLOR; ret = nx_setbgcolor(g_hnx, &color); if (ret < 0) { message("user_start: nx_setbgcolor failed: %d\n", errno); g_exitcode = NXEXIT_NXSETBGCOLOR; goto errout_with_nx; } (void)nx_eventhandler(g_hnx); /* Check for server events -- normally done in a loop */ /* Create window #1 */ message("user_start: Create window #1\n"); hwnd1 = nx_openwindow(g_hnx, &g_nxcb1, (FAR void *)1); message("user_start: hwnd1=%p\n", hwnd1); if (!hwnd1) { message("user_start: nx_openwindow failed: %d\n", errno); g_exitcode = NXEXIT_NXOPENWINDOW; goto errout_with_nx; } /* Wait until we have the screen resolution */ while (!b_haveresolution) { (void)sem_wait(&g_semevent); } message("user_start: Screen resolution (%d,%d)\n", g_xres, g_yres); /* Set the size of the window 1 */ rect.pt1.x = 0; rect.pt1.y = 0; rect.pt2.x = g_xres/2; rect.pt2.y = g_yres/2; message("user_start: Set hwnd1 size to (%d,%d)\n", rect.pt2.x, rect.pt2.y); ret = nx_setsize(hwnd1, &rect); if (ret < 0) { message("user_start: nx_setsize failed: %d\n", errno); g_exitcode = NXEXIT_NXSETSIZE; goto errout_with_hwnd1; } /* Sleep a bit -- both so that we can see the result of the above operations * but also, in the multi-user case, so that the server can get a chance to * actually do them! */ message("user_start: Sleeping\n\n"); sleep(1); /* Set the position of window #1 */ pt.x = g_xres / 8; pt.y = g_yres / 8; message("user_start: Set hwnd1 postion to (%d,%d)\n", pt.x, pt.y); ret = nx_setposition(hwnd1, &pt); if (ret < 0) { message("user_start: nx_setposition failed: %d\n", errno); g_exitcode = NXEXIT_NXSETPOSITION; goto errout_with_hwnd1; } /* Sleep a bit */ message("user_start: Sleeping\n\n"); sleep(2); /* Create window #2 */ message("user_start: Create window #2\n"); hwnd2 = nx_openwindow(g_hnx, &g_nxcb2, (FAR void *)2); message("user_start: hwnd2=%p\n", hwnd2); if (!hwnd2) { message("user_start: nx_openwindow failed: %d\n", errno); g_exitcode = NXEXIT_NXOPENWINDOW; goto errout_with_hwnd1; } /* Sleep a bit */ message("user_start: Sleeping\n\n"); sleep(1); /* Set the size of the window 2 == size of window 1*/ message("user_start: Set hwnd2 size to (%d,%d)\n", rect.pt2.x, rect.pt2.y); ret = nx_setsize(hwnd2, &rect); if (ret < 0) { message("user_start: nx_setsize failed: %d\n", errno); g_exitcode = NXEXIT_NXSETSIZE; goto errout_with_hwnd2; } /* Sleep a bit */ message("user_start: Sleeping\n\n"); sleep(1); /* Set the position of window #2 */ pt.x = g_xres - rect.pt2.x - pt.x; pt.y = g_yres - rect.pt2.y - pt.y; message("user_start: Set hwnd2 postion to (%d,%d)\n", pt.x, pt.y); ret = nx_setposition(hwnd2, &pt); if (ret < 0) { message("user_start: nx_setposition failed: %d\n", errno); g_exitcode = NXEXIT_NXSETPOSITION; goto errout_with_hwnd2; } /* Sleep a bit */ message("user_start: Sleeping\n\n"); sleep(2); /* Lower window 2 */ message("user_start: Lower window #2\n"); ret = nx_lower(hwnd2); if (ret < 0) { message("user_start: nx_lower failed: %d\n", errno); g_exitcode = NXEXIT_NXSETPOSITION; goto errout_with_hwnd2; } /* Sleep a bit */ message("user_start: Sleeping\n\n"); sleep(1); /* Put mouse left-button clicks all over the screen and see who responds */ #ifdef CONFIG_NX_MOUSE nxeg_drivemouse(); /* Sleep a bit */ message("user_start: Sleeping\n\n"); sleep(1); #endif /* Raise window 2 */ message("user_start: Raise window #2\n"); ret = nx_raise(hwnd2); if (ret < 0) { message("user_start: nx_raise failed: %d\n", errno); g_exitcode = NXEXIT_NXSETPOSITION; goto errout_with_hwnd2; } /* Put mouse left-button clicks all over the screen and see who responds */ #ifdef CONFIG_NX_MOUSE nxeg_drivemouse(); #endif /* Sleep a bit */ message("user_start: Sleeping\n\n"); sleep(2); /* Close the window 2 */ errout_with_hwnd2: message("user_start: Close window\n"); ret = nx_closewindow(hwnd2); if (ret < 0) { message("user_start: nx_openwindow failed: %d\n", errno); g_exitcode = NXEXIT_NXCLOSEWINDOW; goto errout_with_nx; } /* Close the window1 */ errout_with_hwnd1: message("user_start: Close window\n"); ret = nx_closewindow(hwnd1); if (ret < 0) { message("user_start: nx_openwindow failed: %d\n", errno); g_exitcode = NXEXIT_NXCLOSEWINDOW; goto errout_with_nx; } errout_with_nx: #ifdef CONFIG_NX_MULTIUSER /* Disconnect from the server */ message("user_start: Disconnect from the server\n"); nx_disconnect(g_hnx); #else /* Close the server */ message("user_start: Close NX\n"); nx_close(g_hnx); #endif errout: return g_exitcode; }