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- /* Demo.c - A demo program using pc curses. The program illustrate
- the use of colours for text output. */
-
- #include <stdio.h>
- #include <signal.h>
- #include <time.h>
- #include "curses.h"
-
- //
- // The Australian map
- //
- char *AusMap[16] =
- {
- " A A ",
- " N.T. AAAAA AAAA ",
- " AAAAAAAAAAA AAAAAAAA ",
- " AAAAAAAAAAAAAAAAAAAAAAAAA Qld.",
- "AAAAAAAAAAAAAAAAAAAAAAAAAAAAA ",
- "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA ",
- " AAAAAAAAAAAAAAAAAAAAAAAAAAAA ",
- " AAAAAAAAAAAAAAAAAAAAAAAAA N.S.W.",
- "W.A. AAAAAAAAA AAAAAA Vic.",
- " AAA S.A. AA",
- " A Tas.",
- ""
- };
-
- //
- // Funny messages
- //
- #define NMESSAGES 6
-
- char *messages[] =
- {
- "Hello from the Land Down Under",
- "The Land of crocs. and a big Red Rock",
- "Where the sunflower runs along the highways",
- "the dusty red roads lead one to loneliness",
- "Blue sky in the morning and",
- "freezing nights and twinkling stars",
- ""
- };
-
- //
- // Main driver
- //
- main()
- {
- WINDOW *win;
- int w, x, y, i, j, c, len;
- time_t t;
- char buffer[80], *message;
- int width, height;
- int save[80];
- void trap();
-
- initscr();
- signal(SIGINT, trap);
- width = 48;
- height = 13; // Create a drawing window
- win = newwin(height, width, (_LINES-height)/2, (_COLS-width)/2);
- if(win == NULL)
- { endwin();
- return 1;
- }
-
- while(1)
- { wattrset(win, F_GRAY | B_BLUE);
- werase(win);
-
- wattrset(win, F_RED | B_RED);
- box(win, '-', '+');
- wrefresh(win);
- // Do ramdom output of a character
- wattrset(win, F_GRAY | B_BLUE);
- c = 'a';
- for(i=0; i < 5000; ++i)
- { x = rand() % (width-2) + 1;
- y = rand() % (height-2) + 1;
- mvwaddch(win, y, x, c);
- wrefresh(win);
- if(kbhit())
- break;
- if(i == 2000)
- { c = 'b';
- wattron(win, F_CYAN | B_BROWN);
- }
- }
-
- SubWinTest(win);
- // Erase and draw green window
- wattrset(win, B_GREEN | F_BROWN | A_HIGH);
- werase(win);
- wrefresh(win);
- // Draw RED bounding box
- wattrset(win, F_RED | B_RED);
- box(win, ' ', ' ');
- wrefresh(win);
- // Display Australia map
- wattrset(win, B_GREEN | F_BROWN | A_HIGH);
- i = 0;
- while(*AusMap[i])
- { mvwaddstr(win, i+1, 8, AusMap[i]);
- wrefresh(win);
- delay(100);
- ++i;
- }
-
- wattrset(win, A_BLINK| F_BLUE | B_GRAY);
- mvwaddstr(win, height-2, 12, " PC curses for Ansi-C ");
- wrefresh(win);
-
- // Draw running messages
- wattrset(win, F_BROWN | B_GRAY);
- message = messages[0];
- len = strlen(message);
- j = 0;
- i = 2;
- w = width-2;
- while(j < NMESSAGES)
- { strncpy(buffer, message, w - i);
- buffer[w-i] = 0;
- mvwaddstr(win, height/2, i, buffer);
- if(w - i < len)
- { memset(buffer, ' ', i);
- strcpy(buffer, message + (w - i));
- buffer[strlen(buffer)] = ' ';
- buffer[i-2] = '\0';
- mvwaddstr(win, height/2, 2, buffer);
- }
- wrefresh(win);
- if(kbhit())
- { bioskey(0);
- break;
- }
- mvwaddch(win, height/2, i, ' ');
- i = ++i % w;
- if(i < 2)
- { message = messages[++j%NMESSAGES];
- memset(buffer, ' ', w-2);
- buffer[w-2] = 0;
- mvwaddstr(win, height/2, 2, buffer);
- i = 2;
- }
- delay(300);
- }
-
- j = 0;
- // Draw running As across in RED
- wattron(win, B_GREEN|F_RED);
- for(i=2; i < width - 4; ++i)
- { c = wgetatpos(win, 4, i);
- save[j++] = c;
- c = c & 0x7f;
- mvwaddch(win, 4, i, c);
- }
- wrefresh(win);
-
- // Put a message up wait for a key
- i = height-2;
- wattrset(win, F_BLUE | B_GRAY);
- mvwaddstr(win, i, 12, " Type a key to continue ");
- wrefresh(win);
-
- if(WaitForUser() == 0x1b)
- break;
-
- j = 0; // Restore the old line
- for(i=2; i < width - 4; ++i)
- wputatpos(win, 4, i, save[j++]);
- wrefresh(win);
-
- BouncingBalls(win);
- // Put a message up wait for a key
- i = height-2;
- wattrset(win, F_BLUE | B_GRAY);
- mvwaddstr(win, i, 12, " Hit ESC key to exit ...");
- wrefresh(win);
- if(WaitForUser() == 0x1b)
- break;
- }
- exit:
- endwin();
- return 0;
- }
-
- //
- // Test sub windows
- //
- SubWinTest(WINDOW *win)
- {
- int w, h, sw, sh, bx, by;
- WINDOW *swin1, *swin2, *swin3;
-
- w = win->_maxx;
- h = win->_maxy;
- bx = win->_begx;
- by = win->_begy;
- sw = w / 3;
- sh = h / 3;
- if((swin1 = subwin(win, sh, sw, by+3, bx+5)) == NULL)
- return 1;
- if((swin2 = subwin(win, sh, sw, by+4, bx+8)) == NULL)
- return 1;
- if((swin3 = subwin(win, sh, sw, by+5, bx+11)) == NULL)
- return 1;
- wattron(swin1, B_BLUE | F_RED);
- werase(swin1);
- mvwaddstr(swin1, 0, 3, "Sub-window 1");
- wrefresh(swin1);
-
- wattron(swin2, B_MAGENTA | F_CYAN);
- werase(swin2);
- mvwaddstr(swin2, 0, 3, "Sub-window 2");
- wrefresh(swin2);
-
- wattron(swin3, B_GREEN | F_BROWN);
- werase(swin3);
- mvwaddstr(swin3, 0, 3, "Sub-window 3");
- wrefresh(swin3);
-
- delwin(swin1);
- delwin(swin2);
- delwin(swin3);
- WaitForUser();
- return 0;
- }
-
- //
- // Bouncing balls
- //
- BouncingBalls(WINDOW *win)
- {
- int c1, c2, c3, w, h;
- int x1, y1, xd1, yd1;
- int x2, y2, xd2, yd2;
- int x3, y3, xd3, yd3;
-
- w = win->_maxx;
- h = win->_maxy;
- x1 = 2 + rand() % (w - 4);
- y1 = 2 + rand() % (h - 4);
- x2 = 2 + rand() % (w - 4);
- y2 = 2 + rand() % (h - 4);
- x3 = 2 + rand() % (w - 4);
- y3 = 2 + rand() % (h - 4);
- xd1 = 1; yd1 = 1;
- xd2 = 1; yd2 = 0;
- xd3 = 0; yd3 = 1;
- while(bioskey(1) == 0)
- { x1 = xd1 > 0 ? ++x1 : --x1;
- if(x1 <= 1 || x1 >= w - 2)
- xd1 = xd1 ? 0 : 1;
- y1 = yd1 > 0 ? ++y1 : --y1;
- if(y1 <= 1 || y1 >= h - 2)
- yd1 = yd1 ? 0 : 1;
-
- x2 = xd2 > 0 ? ++x2 : --x2;
- if(x2 <= 1 || x2 >= w - 2)
- xd2 = xd2 ? 0 : 1;
- y2 = yd2 > 0 ? ++y2 : --y2;
- if(y2 <= 1 || y2 >= h - 2)
- yd2 = yd2 ? 0 : 1;
-
- x3 = xd3 > 0 ? ++x3 : --x3;
- if(x3 <= 1 || x3 >= w - 2)
- xd3 = xd3 ? 0 : 1;
- y3 = yd3 > 0 ? ++y3 : --y3;
- if(y3 <= 1 || y3 >= h - 2)
- yd3 = yd3 ? 0 : 1;
-
- c1 = wgetatpos(win, y1, x1);
- c2 = wgetatpos(win, y2, x2);
- c3 = wgetatpos(win, y3, x3);
-
- wattrset(win, B_BLUE | F_RED);
- mvwaddch(win, y1, x1, 'O');
- wattrset(win, B_RED | F_BLUE);
- mvwaddch(win, y2, x2, '*');
- wattrset(win, B_GRAY | F_BROWN);
- mvwaddch(win, y3, x3, '@');
- wmove(win, 0, 0);
- wrefresh(win);
- wputatpos(win, y1, x1, c1);
- wputatpos(win, y2, x2, c2);
- wputatpos(win, y3, x3, c3);
- delay(150);
- }
- return 0;
- }
-
- //
- // Wait for user
- //
- WaitForUser()
- {
- time_t t;
-
- t = time((time_t *)0);
- while(1)
- { if(bioskey(1))
- { if((bioskey(0) & 0x7f) == 0x1b)
- return 0x1b;
- else
- return 0;
- }
- if(time((time_t *)0) - t > 5)
- return 0;
- }
- }
-
- //
- // Trap interrupt
- //
- void trap()
- {
- endwin();
- exit(0);
- }
-
- // End of demo.c
-