351 lines
8.4 KiB
C
351 lines
8.4 KiB
C
/* $Header: c:/curses/demos/RCS/newdemo.c%v 2.0 1992/11/15 03:32:03 MH Rel $
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*
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* newdemo.c - A demo program using PDCurses. The program illustrate
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* the use of colours for text output.
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*/
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#include <stdio.h>
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#include <signal.h>
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#include <time.h>
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#include <ncurses.h>
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#define delay_output(x)
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/*
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* The Australian map
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*/
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char *AusMap[16] =
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{
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" A A ",
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" N.T. AAAAA AAAA ",
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" AAAAAAAAAAA AAAAAAAA ",
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" AAAAAAAAAAAAAAAAAAAAAAAAA Qld.",
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"AAAAAAAAAAAAAAAAAAAAAAAAAAAAA ",
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"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA ",
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" AAAAAAAAAAAAAAAAAAAAAAAAAAAA ",
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" AAAAAAAAAAAAAAAAAAAAAAAAA N.S.W.",
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"W.A. AAAAAAAAA AAAAAA Vic.",
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" AAA S.A. AA",
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" A Tas.",
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""
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};
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/*
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* Funny messages
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*/
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#define NMESSAGES 6
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char *messages[] =
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{
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"Hello from the Land Down Under",
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"The Land of crocs. and a big Red Rock",
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"Where the sunflower runs along the highways",
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"the dusty red roads lead one to loneliness",
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"Blue sky in the morning and",
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"freezing nights and twinkling stars",
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""
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};
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/*
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* Main driver
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*/
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main()
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{
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WINDOW *win;
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int w, x, y, i, j, c, len;
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time_t t;
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char buffer[80], *message;
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int width, height;
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chtype save[80];
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void trap();
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initscr();
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start_color();
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cbreak();
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signal(SIGINT, trap);
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width = 48;
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height = 14; /* Create a drawing window */
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win = newwin(height, width, (LINES-height)/2, (COLS-width)/2);
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if(win == NULL)
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{ endwin();
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return 1;
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}
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while(1)
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{ init_pair(1,COLOR_WHITE,COLOR_BLUE);
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wattrset(win, COLOR_PAIR(1));
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werase(win);
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init_pair(2,COLOR_RED,COLOR_RED);
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wattrset(win, COLOR_PAIR(2));
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box(win, ACS_VLINE, ACS_HLINE);
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wrefresh(win);
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/* Do ramdom output of a character */
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wattrset(win, COLOR_PAIR(1));
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c = 'a';
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for(i=0; i < 5000; ++i)
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{ x = rand() % (width-2) + 1;
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y = rand() % (height-2) + 1;
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mvwaddch(win, y, x, c);
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wrefresh(win);
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nodelay(win,TRUE);
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if (wgetch(win) != ERR)
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break;
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if(i == 2000)
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{ c = 'b';
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init_pair(3,COLOR_CYAN,COLOR_YELLOW);
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wattron(win, COLOR_PAIR(3));
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}
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}
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SubWinTest(win);
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/* Erase and draw green window */
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init_pair(4,COLOR_YELLOW,COLOR_GREEN);
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wattrset(win, COLOR_PAIR(4) | A_BOLD);
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werase(win);
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wrefresh(win);
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/* Draw RED bounding box */
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wattrset(win, COLOR_PAIR(2));
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box(win, ' ', ' ');
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wrefresh(win);
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/* Display Australia map */
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wattrset(win, COLOR_PAIR(4) | A_BOLD);
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i = 0;
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while(*AusMap[i])
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{ mvwaddstr(win, i+1, 8, AusMap[i]);
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wrefresh(win);
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delay_output(100);
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++i;
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}
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init_pair(5,COLOR_BLUE,COLOR_WHITE);
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wattrset(win, COLOR_PAIR(5) | A_BLINK);
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mvwaddstr(win, height-2, 6, " PDCurses 2.1 for DOS, OS/2 and Unix");
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wrefresh(win);
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/* Draw running messages */
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init_pair(6,COLOR_YELLOW,COLOR_WHITE);
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wattrset(win, COLOR_PAIR(6));
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message = messages[0];
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len = strlen(message);
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j = 0;
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i = 2;
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w = width-2;
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while(j < NMESSAGES)
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{ strncpy(buffer, message, w - i);
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buffer[w-i] = 0;
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mvwaddstr(win, height/2, i, buffer);
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if(w - i < len)
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{ memset(buffer, ' ', i);
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strcpy(buffer, message + (w - i));
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buffer[strlen(buffer)] = ' ';
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buffer[i-2] = '\0';
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mvwaddstr(win, height/2, 2, buffer);
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}
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wrefresh(win);
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nodelay(win,TRUE);
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if (wgetch(win) != ERR)
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{ flushinp();
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break;
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}
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mvwaddch(win, height/2, i, ' ');
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i = ++i % w;
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if(i < 2)
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{ message = messages[++j%NMESSAGES];
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memset(buffer, ' ', w-2);
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buffer[w-2] = 0;
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mvwaddstr(win, height/2, 2, buffer);
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i = 2;
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}
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delay_output(300);
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}
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j = 0;
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/* Draw running As across in RED */
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init_pair(7,COLOR_RED,COLOR_GREEN);
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wattron(win, COLOR_PAIR(7));
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for(i=2; i < width - 4; ++i)
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{ c = mvwinch(win, 4, i);
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save[j++] = c;
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c = c & 0x7f;
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mvwaddch(win, 4, i, c);
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}
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wrefresh(win);
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/* Put a message up wait for a key */
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i = height-2;
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wattrset(win, COLOR_PAIR(5));
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mvwaddstr(win, i, 5, " Type a key to continue or 'Q' to quit ");
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wrefresh(win);
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if(WaitForUser() == 1)
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break;
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j = 0; /* Restore the old line */
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for(i=2; i < width - 4; ++i)
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mvwaddch(win, 4, i, save[j++]);
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wrefresh(win);
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BouncingBalls(win);
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/* Put a message up wait for a key */
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i = height-2;
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wattrset(win, COLOR_PAIR(5));
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mvwaddstr(win, i, 5, " Type a key to continue or 'Q' to quit ");
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wrefresh(win);
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if(WaitForUser() == 1)
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break;
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}
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exit:
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endwin();
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return 0;
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}
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/*
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* Test sub windows
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*/
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SubWinTest(WINDOW *win)
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{
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int w, h, sw, sh, bx, by;
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WINDOW *swin1, *swin2, *swin3;
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w = win->_maxx;
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h = win->_maxy;
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bx = win->_begx;
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by = win->_begy;
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sw = w / 3;
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sh = h / 3;
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if((swin1 = subwin(win, sh, sw, by+3, bx+5)) == NULL)
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return 1;
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if((swin2 = subwin(win, sh, sw, by+4, bx+8)) == NULL)
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return 1;
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if((swin3 = subwin(win, sh, sw, by+5, bx+11)) == NULL)
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return 1;
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init_pair(8,COLOR_RED,COLOR_BLUE);
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wattrset(swin1, COLOR_PAIR(8));
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werase(swin1);
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mvwaddstr(swin1, 0, 3, "Sub-window 1");
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wrefresh(swin1);
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init_pair(8,COLOR_CYAN,COLOR_MAGENTA);
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wattrset(swin2, COLOR_PAIR(8));
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werase(swin2);
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mvwaddstr(swin2, 0, 3, "Sub-window 2");
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wrefresh(swin2);
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init_pair(8,COLOR_YELLOW,COLOR_GREEN);
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wattrset(swin3, COLOR_PAIR(8));
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werase(swin3);
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mvwaddstr(swin3, 0, 3, "Sub-window 3");
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wrefresh(swin3);
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delwin(swin1);
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delwin(swin2);
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delwin(swin3);
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WaitForUser();
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return 0;
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}
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/*
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* Bouncing balls
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*/
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BouncingBalls(WINDOW *win)
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{
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chtype c1, c2, c3;
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int w, h;
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int x1, y1, xd1, yd1;
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int x2, y2, xd2, yd2;
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int x3, y3, xd3, yd3;
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w = win->_maxx;
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h = win->_maxy;
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x1 = 2 + rand() % (w - 4);
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y1 = 2 + rand() % (h - 4);
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x2 = 2 + rand() % (w - 4);
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y2 = 2 + rand() % (h - 4);
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x3 = 2 + rand() % (w - 4);
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y3 = 2 + rand() % (h - 4);
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xd1 = 1; yd1 = 1;
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xd2 = 1; yd2 = 0;
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xd3 = 0; yd3 = 1;
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nodelay(win,TRUE);
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while(wgetch(win) == ERR)
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{ x1 = xd1 > 0 ? ++x1 : --x1;
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if(x1 <= 1 || x1 >= w - 2)
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xd1 = xd1 ? 0 : 1;
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y1 = yd1 > 0 ? ++y1 : --y1;
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if(y1 <= 1 || y1 >= h - 2)
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yd1 = yd1 ? 0 : 1;
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x2 = xd2 > 0 ? ++x2 : --x2;
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if(x2 <= 1 || x2 >= w - 2)
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xd2 = xd2 ? 0 : 1;
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y2 = yd2 > 0 ? ++y2 : --y2;
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if(y2 <= 1 || y2 >= h - 2)
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yd2 = yd2 ? 0 : 1;
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x3 = xd3 > 0 ? ++x3 : --x3;
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if(x3 <= 1 || x3 >= w - 2)
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xd3 = xd3 ? 0 : 1;
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y3 = yd3 > 0 ? ++y3 : --y3;
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if(y3 <= 1 || y3 >= h - 2)
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yd3 = yd3 ? 0 : 1;
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c1 = mvwinch(win, y1, x1);
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c2 = mvwinch(win, y2, x2);
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c3 = mvwinch(win, y3, x3);
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init_pair(8,COLOR_RED,COLOR_BLUE);
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wattrset(win, COLOR_PAIR(8));
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mvwaddch(win, y1, x1, 'O');
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init_pair(8,COLOR_BLUE,COLOR_RED);
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wattrset(win, COLOR_PAIR(8));
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mvwaddch(win, y2, x2, '*');
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init_pair(8,COLOR_YELLOW,COLOR_WHITE);
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wattrset(win, COLOR_PAIR(8));
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mvwaddch(win, y3, x3, '@');
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wmove(win, 0, 0);
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wrefresh(win);
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mvwaddch(win, y1, x1, c1);
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mvwaddch(win, y2, x2, c2);
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mvwaddch(win, y3, x3, c3);
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delay_output(150);
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}
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return 0;
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}
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/*
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* Wait for user
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*/
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int WaitForUser()
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{
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time_t t;
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chtype key;
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nodelay(stdscr,TRUE);
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t = time((time_t *)0);
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while(1)
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{
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if ((key = getch()) != ERR)
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{
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if (key == 'q' || key == 'Q')
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return 1;
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else
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return 0;
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}
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if (time((time_t *)0) - t > 5)
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return 0;
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}
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}
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/*
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* Trap interrupt
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*/
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void trap()
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{
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endwin();
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exit(0);
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}
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/* End of DEMO.C */
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