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-rw-r--r--ncurses-5.3/test/newdemo.c358
1 files changed, 358 insertions, 0 deletions
diff --git a/ncurses-5.3/test/newdemo.c b/ncurses-5.3/test/newdemo.c
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+/*
+ * newdemo.c - A demo program using PDCurses. The program illustrate
+ * the use of colours for text output.
+ *
+ * $Id$
+ */
+
+#include <time.h>
+
+#include <test.priv.h>
+
+#define delay_output(x) napms(x)
+
+/*
+ * The Australian map
+ */
+const 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
+
+NCURSES_CONST 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",
+ ""
+};
+
+/*
+ * Trap interrupt
+ */
+static RETSIGTYPE
+trap(int sig GCC_UNUSED)
+{
+ endwin();
+ ExitProgram(EXIT_FAILURE);
+}
+
+/*
+ * Wait for user
+ */
+static int
+WaitForUser(WINDOW *win)
+{
+ time_t t;
+ chtype key;
+
+ nodelay(win, TRUE);
+ t = time((time_t *) 0);
+ while (1) {
+ if ((int) (key = wgetch(win)) != ERR) {
+ if (key == 'q' || key == 'Q')
+ return 1;
+ else
+ return 0;
+ }
+ if (time((time_t *) 0) - t > 5)
+ return 0;
+ }
+}
+
+static void
+set_colors(WINDOW *win, int pair, int foreground, int background)
+{
+ if (has_colors()) {
+ if (pair > COLOR_PAIRS)
+ pair = COLOR_PAIRS;
+ init_pair(pair, foreground, background);
+ wattrset(win, COLOR_PAIR(pair));
+ }
+}
+
+static int
+use_colors(WINDOW *win, int pair, int attrs)
+{
+ if (has_colors()) {
+ if (pair > COLOR_PAIRS)
+ pair = COLOR_PAIRS;
+ attrs |= COLOR_PAIR(pair);
+ }
+ wattrset(win, attrs);
+ return attrs;
+}
+
+/*
+ * Test sub windows
+ */
+static int
+SubWinTest(WINDOW *win)
+{
+ int w, h, sw, sh, bx, by;
+ WINDOW *swin1, *swin2, *swin3;
+
+ getmaxyx(win, h, w);
+ getbegyx(win, by, bx);
+ 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;
+
+ set_colors(swin1, 8, COLOR_RED, COLOR_BLUE);
+ werase(swin1);
+ mvwaddstr(swin1, 0, 3, "Sub-window 1");
+ wrefresh(swin1);
+
+ set_colors(swin2, 9, COLOR_CYAN, COLOR_MAGENTA);
+ werase(swin2);
+ mvwaddstr(swin2, 0, 3, "Sub-window 2");
+ wrefresh(swin2);
+
+ set_colors(swin3, 10, COLOR_YELLOW, COLOR_GREEN);
+ werase(swin3);
+ mvwaddstr(swin3, 0, 3, "Sub-window 3");
+ wrefresh(swin3);
+
+ delwin(swin1);
+ delwin(swin2);
+ delwin(swin3);
+ WaitForUser(win);
+ return 0;
+}
+
+static int
+bounce(int n, int *dir, int len)
+{
+ if (*dir > 0)
+ ++n;
+ else
+ --n;
+ if (n <= 1 || n >= len - 2)
+ *dir = *dir ? 0 : 1;
+ return n;
+}
+
+/*
+ * Bouncing balls
+ */
+static int
+BouncingBalls(WINDOW *win)
+{
+ int w, h;
+ int x1, y1, xd1, yd1;
+ int x2, y2, xd2, yd2;
+ int x3, y3, xd3, yd3;
+
+ getmaxyx(win, h, w);
+
+ 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;
+
+ nodelay(win, TRUE);
+
+ while (wgetch(win) == ERR) {
+ x1 = bounce(x1, &xd1, w);
+ y1 = bounce(y1, &yd1, h);
+ x2 = bounce(x2, &xd2, w);
+ y2 = bounce(y2, &yd2, h);
+ x3 = bounce(x3, &xd3, w);
+ y3 = bounce(y3, &yd3, h);
+
+ set_colors(win, 11, COLOR_RED, COLOR_BLUE);
+ mvwaddch(win, y1, x1, 'O');
+
+ set_colors(win, 12, COLOR_BLUE, COLOR_RED);
+ mvwaddch(win, y2, x2, '*');
+
+ set_colors(win, 13, COLOR_YELLOW, COLOR_WHITE);
+ mvwaddch(win, y3, x3, '@');
+
+ wmove(win, 0, 0);
+ wrefresh(win);
+ delay_output(100);
+ }
+ return 0;
+}
+
+/*
+ * Main driver
+ */
+int
+main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
+{
+ WINDOW *win;
+ int w, x, y, i, j, k;
+ char buffer[200];
+ const char *message;
+ int width, height;
+ chtype save[80];
+ chtype c;
+
+ setlocale(LC_ALL, "");
+
+ initscr();
+ if (has_colors())
+ start_color();
+ cbreak();
+ curs_set(0);
+ signal(SIGINT, trap);
+ width = 48;
+ height = 14; /* Create a drawing window */
+ win = newwin(height, width, (LINES - height) / 2, (COLS - width) / 2);
+ if (win == NULL) {
+ endwin();
+ ExitProgram(EXIT_FAILURE);
+ }
+
+ while (1) {
+ set_colors(win, 1, COLOR_WHITE, COLOR_BLUE);
+ werase(win);
+
+ set_colors(win, 2, COLOR_RED, COLOR_RED);
+ box(win, ACS_VLINE, ACS_HLINE);
+ wrefresh(win);
+ /* Do ramdom output of a character */
+ use_colors(win, 1, A_NORMAL);
+ 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);
+ nodelay(win, TRUE);
+ if (wgetch(win) != ERR)
+ break;
+ if (i == 2000) {
+ c = 'b';
+ set_colors(win, 3, COLOR_CYAN, COLOR_YELLOW);
+ }
+ }
+
+ SubWinTest(win);
+ /* Erase and draw green window */
+ set_colors(win, 4, COLOR_YELLOW, COLOR_GREEN);
+ wbkgd(win, use_colors(win, 4, A_BOLD));
+ werase(win);
+ wrefresh(win);
+ /* Draw RED bounding box */
+ use_colors(win, 2, A_NORMAL);
+ box(win, ' ', ' ');
+ wrefresh(win);
+ /* Display Australia map */
+ use_colors(win, 4, A_BOLD);
+ i = 0;
+ while (*AusMap[i]) {
+ mvwaddstr(win, i + 1, 8, AusMap[i]);
+ wrefresh(win);
+ delay_output(50);
+ ++i;
+ }
+
+ set_colors(win, 5, COLOR_BLUE, COLOR_WHITE);
+ use_colors(win, 5, A_BLINK);
+ mvwaddstr(win, height - 2, 6, " PDCurses 2.1 for DOS, OS/2 and Unix");
+ wrefresh(win);
+
+ /* Draw running messages */
+ set_colors(win, 6, COLOR_YELLOW, COLOR_WHITE);
+ message = messages[j = 0];
+ i = 1;
+ w = width - 2;
+ strcpy(buffer, message);
+ while (j < NMESSAGES) {
+ while ((int) strlen(buffer) < w) {
+ strcat(buffer, " ... ");
+ strcat(buffer, messages[++j % NMESSAGES]);
+ }
+
+ if (i < w)
+ mvwaddnstr(win, height / 2, w - i, buffer, i);
+ else
+ mvwaddnstr(win, height / 2, 1, buffer, w);
+
+ wrefresh(win);
+ nodelay(win, TRUE);
+ if (wgetch(win) != ERR) {
+ flushinp();
+ break;
+ }
+ if (i++ >= w) {
+ for (k = 0; (buffer[k] = buffer[k + 1]) != '\0'; k++) ;
+ }
+ delay_output(100);
+ }
+
+ j = 0;
+ /* Draw running As across in RED */
+ set_colors(win, 7, COLOR_RED, COLOR_GREEN);
+ for (i = 2; i < width - 4; ++i) {
+ k = mvwinch(win, 4, i);
+ if (k == ERR)
+ break;
+ save[j++] = c = k;
+ c &= A_CHARTEXT;
+ mvwaddch(win, 4, i, c);
+ }
+ wrefresh(win);
+
+ /* Put a message up wait for a key */
+ i = height - 2;
+ use_colors(win, 5, A_NORMAL);
+ mvwaddstr(win, i, 5, " Type a key to continue or 'Q' to quit ");
+ wrefresh(win);
+
+ if (WaitForUser(win) == 1)
+ break;
+
+ j = 0; /* Restore the old line */
+ for (i = 2; i < width - 4; ++i)
+ mvwaddch(win, 4, i, save[j++]);
+ wrefresh(win);
+
+ BouncingBalls(win);
+ /* Put a message up wait for a key */
+ i = height - 2;
+ use_colors(win, 5, A_NORMAL);
+ mvwaddstr(win, i, 5, " Type a key to continue or 'Q' to quit ");
+ wrefresh(win);
+ if (WaitForUser(win) == 1)
+ break;
+ }
+ endwin();
+ ExitProgram(EXIT_SUCCESS);
+}