1/**************************************************************************** 2 * Copyright (c) 1999-2007,2008 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29/* 30 * Author: Thomas E. Dickey - 2007 31 * 32 * $Id: dots_mvcur.c,v 1.2 2008/02/09 18:08:57 tom Exp $ 33 * 34 * A simple demo of the terminfo interface, and mvcur. 35 */ 36#define USE_TINFO 37#include <test.priv.h> 38 39#if HAVE_SETUPTERM 40 41#include <time.h> 42 43#define valid(s) ((s != 0) && s != (char *)-1) 44 45static bool interrupted = FALSE; 46static long total_chars = 0; 47static time_t started; 48 49static int 50outc(TPUTS_ARG c) 51{ 52 if (interrupted) { 53 char tmp = c; 54 write(STDOUT_FILENO, &tmp, 1); 55 } else { 56 putc(c, stdout); 57 } 58 return 0; 59} 60 61static bool 62outs(char *s) 63{ 64 if (valid(s)) { 65 tputs(s, 1, outc); 66 return TRUE; 67 } 68 return FALSE; 69} 70 71static void 72cleanup(void) 73{ 74 outs(exit_attribute_mode); 75 if (!outs(orig_colors)) 76 outs(orig_pair); 77 outs(clear_screen); 78 outs(cursor_normal); 79 80 printf("\n\n%ld total chars, rate %.2f/sec\n", 81 total_chars, 82 ((double) (total_chars) / (time((time_t *) 0) - started))); 83} 84 85static void 86onsig(int n GCC_UNUSED) 87{ 88 interrupted = TRUE; 89} 90 91static float 92ranf(void) 93{ 94 long r = (rand() & 077777); 95 return ((float) r / 32768.); 96} 97 98int 99main( 100 int argc GCC_UNUSED, 101 char *argv[]GCC_UNUSED) 102{ 103 int x0 = 1, y0 = 1; 104 int x, y, z, p; 105 float r; 106 float c; 107 SCREEN *sp; 108 109 CATCHALL(onsig); 110 111 srand((unsigned) time(0)); 112 sp = newterm((char *) 0, stdout, stdin); 113 outs(clear_screen); 114 outs(cursor_home); 115 outs(cursor_invisible); 116 if (max_colors > 1) { 117 if (!valid(set_a_foreground) 118 || !valid(set_a_background) 119 || (!valid(orig_colors) && !valid(orig_pair))) 120 max_colors = -1; 121 } 122 123 r = (float) (lines - 4); 124 c = (float) (columns - 4); 125 started = time((time_t *) 0); 126 127 while (!interrupted) { 128 x = (int) (c * ranf()) + 2; 129 y = (int) (r * ranf()) + 2; 130 p = (ranf() > 0.9) ? '*' : ' '; 131 132 if (mvcur(y0, x0, y, x) != ERR) { 133 x0 = x; 134 y0 = y; 135 } 136 137 if (max_colors > 0) { 138 z = (int) (ranf() * max_colors); 139 if (ranf() > 0.01) { 140 tputs(tparm2(set_a_foreground, z), 1, outc); 141 } else { 142 tputs(tparm2(set_a_background, z), 1, outc); 143 napms(1); 144 } 145 } else if (valid(exit_attribute_mode) 146 && valid(enter_reverse_mode)) { 147 if (ranf() <= 0.01) { 148 outs((ranf() > 0.6) 149 ? enter_reverse_mode 150 : exit_attribute_mode); 151 napms(1); 152 } 153 } 154 outc(p); 155 fflush(stdout); 156 ++total_chars; 157 } 158 cleanup(); 159 endwin(); 160 delscreen(sp); 161 ExitProgram(EXIT_SUCCESS); 162} 163#else 164int 165main(int argc GCC_UNUSED, 166 char *argv[]GCC_UNUSED) 167{ 168 fprintf(stderr, "This program requires terminfo\n"); 169 exit(EXIT_FAILURE); 170} 171#endif 172