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29 * $Id: demo_panels.c,v 1.33 2008/08/04 13:33:48 tom Exp $
31 * Demonstrate a variety of functions from the panel library.
34 #include <test.priv.h>
43 typedef void (*InitPanel) (void);
44 typedef void (*FillPanel) (PANEL *);
46 static bool use_colors = FALSE;
47 static bool unboxed = FALSE;
72 WINDOW *result = stdscr;
74 wmove(result, LINES - 1, 0);
87 saywhat(NCURSES_CONST char *text)
89 WINDOW *win = statusline();
90 if (text != 0 && *text != '\0') {
94 waddstr(win, "press any key to continue");
98 show_position(NCURSES_CONST char *text,
99 NCURSES_CONST char *also,
104 WINDOW *win = statusline();
106 wprintw(win, "%s for panel %d now %d,%d%s", text, which, ypos, xpos, also);
107 wmove(stdscr, ypos, xpos);
111 get_position(NCURSES_CONST char *text,
112 NCURSES_CONST char *also,
122 getyx(stdscr, y1, x1);
125 show_position(text, also, which, y1, x1);
128 if (fscanf(log_in, "%c%d,%d\n", &cmd, &y1, &x1) == 3) {
132 (void) wgetch(stdscr);
148 switch (wgetch(stdscr)) {
165 if (y1 < getmaxy(stdscr)) {
179 if (x1 < getmaxx(stdscr)) {
188 wmove(stdscr, y1, x1);
194 fprintf(log_out, "%c%d,%d\n",
204 mkpanel(short color, int rows, int cols, int tly, int tlx)
208 char *userdata = typeMalloc(char, 3);
210 if ((win = newwin(rows, cols, tly, tlx)) != 0) {
212 if ((pan = new_panel(win)) == 0) {
214 } else if (use_colors) {
215 short fg = (short) ((color == COLOR_BLUE)
220 init_pair(color, fg, bg);
221 wbkgdset(win, (chtype) (COLOR_PAIR(color) | ' '));
222 } else if (!unboxed) {
223 wbkgdset(win, A_BOLD | ' ');
226 sprintf(userdata, "p%d", color % 8);
227 set_panel_userptr(pan, (NCURSES_CONST void *) userdata);
232 my_remove_panel(PANEL ** pans, int which)
234 if (pans[which] != 0) {
235 PANEL *pan = pans[which];
236 WINDOW *win = panel_window(pan);
237 char *user = (char *) panel_userptr(pan);
248 #define MIN(a,b) ((a) < (b) ? (a) : (b))
249 #define ABS(a) ((a) < 0 ? -(a) : (a))
252 my_create_panel(PANEL ** pans, int which, FillPanel myFill)
256 short pair = (short) which;
257 short fg = (short) ((pair == COLOR_BLUE) ? COLOR_WHITE : COLOR_BLACK);
261 init_pair(pair, fg, bg);
263 /* remove the old panel, if any */
264 my_remove_panel(pans, which);
266 /* get the position of one corner */
267 wmove(stdscr, getmaxy(stdscr) / 2, getmaxx(stdscr) / 2);
268 getyx(stdscr, y0, x0);
269 while ((code = get_position("First corner", "", which, &x0, &y0)) == 0) {
275 sprintf(also, " (first %d,%d)", y0, x0);
276 /* get the position of the opposite corner */
277 while ((code = get_position("Opposite corner",
278 also, which, &x1, &y1)) == 0) {
283 int tly = MIN(y0, y1);
284 int tlx = MIN(x0, x1);
285 pan = mkpanel(pair, ABS(y1 - y0) + 1, ABS(x1 - x0) + 1, tly, tlx);
290 wmove(stdscr, y1, x1);
296 my_move_panel(PANEL ** pans, int which, bool continuous)
298 if (pans[which] != 0) {
302 WINDOW *win = panel_window(pans[which]);
305 getbegyx(win, y0, x0);
306 sprintf(also, " (start %d,%d)", y0, x0);
307 wmove(stdscr, y0, x0);
308 while ((code = get_position("Move panel", also, which, &x1, &y1)) == 0) {
310 move_panel(pans[which], y1, x1);
315 move_panel(pans[which], y1, x1);
321 my_resize_panel(PANEL ** pans, int which, FillPanel myFill)
323 if (pans[which] != 0) {
327 WINDOW *win = panel_window(pans[which]);
330 getbegyx(win, y0, x0);
331 sprintf(also, " (start %d,%d)", y0, x0);
332 wmove(stdscr, y0, x0);
333 while ((code = get_position("Resize panel",
334 also, which, &x1, &y1)) == 0) {
338 WINDOW *next = newwin(ABS(y1 - y0) + 1,
345 wbkgdset(next, (chtype) (COLOR_PAIR(which) | ' '));
346 } else if (!unboxed) {
347 wbkgdset(next, A_BOLD | ' ');
349 replace_panel(pans[which], next);
362 for (y = 0; y < LINES - 1; y++) {
363 for (x = 0; x < COLS; x++)
364 wprintw(stdscr, "%d", (y + x) % 10);
369 fill_panel(PANEL * pan)
371 WINDOW *win = panel_window(pan);
372 const char *userptr = (const char *) panel_userptr(pan);
373 int num = (userptr && *userptr) ? userptr[1] : '?';
377 wprintw(win, "-pan%c-", num);
380 for (y = 2; y < getmaxy(win) - 1; y++) {
381 for (x = 1; x < getmaxx(win) - 1; x++) {
383 waddch(win, UChar(num));
389 fill_unboxed(PANEL * pan)
391 WINDOW *win = panel_window(pan);
392 const char *userptr = (const char *) panel_userptr(pan);
393 int num = (userptr && *userptr) ? userptr[1] : '?';
396 for (y = 0; y < getmaxy(win); y++) {
397 for (x = 0; x < getmaxx(win); x++) {
399 waddch(win, UChar(num));
404 #if USE_WIDEC_SUPPORT
406 make_fullwidth_digit(cchar_t *target, int digit)
410 source[0] = digit + 0xff10;
412 setcchar(target, source, A_NORMAL, 0, 0);
416 init_wide_panel(void)
421 for (digit = 0; digit < 10; ++digit)
422 make_fullwidth_digit(&temp[digit], digit);
427 digit = (y + x / 2) % 10;
428 } while (add_wch(&temp[digit]) != ERR);
432 fill_wide_panel(PANEL * pan)
434 WINDOW *win = panel_window(pan);
435 int num = ((const char *) panel_userptr(pan))[1];
439 wprintw(win, "-pan%c-", num);
442 for (y = 2; y < getmaxy(win) - 1; y++) {
443 for (x = 1; x < getmaxx(win) - 1; x++) {
445 waddch(win, UChar(num));
454 which_panel(PANEL * px[MAX_PANELS + 1], PANEL * pan)
459 for (j = 1; j <= MAX_PANELS; ++j) {
469 show_panels(PANEL * px[MAX_PANELS + 1])
471 static const char *help[] =
474 "Commands are letter/digit pairs. Digits are the panel number.",
476 " b - put the panel on the bottom of the stack",
477 " c - create the panel",
478 " d - delete the panel",
479 " h - hide the panel",
480 " m - move the panel (M for continuous move)",
481 " r - resize the panel",
482 " s - show the panel",
483 " b - put the panel on the top of the stack"
491 } table[MAX_PANELS + 1];
497 for (j = 1; j <= MAX_PANELS; ++j) {
498 table[j].valid = (px[j] != 0);
499 if (table[j].valid) {
500 table[j].hidden = panel_hidden(px[j]);
501 table[j].above = panel_above(px[j]);
502 table[j].below = panel_below(px[j]);
506 if ((win = newwin(LINES - 1, COLS, 0, 0)) != 0) {
508 if ((pan = new_panel(win)) != 0) {
510 mvwprintw(win, 0, 0, "Panels:\n");
511 for (j = 1; j <= MAX_PANELS; ++j) {
512 if (table[j].valid) {
513 wprintw(win, " %d:", j);
514 if (table[j].hidden) {
515 waddstr(win, " hidden");
517 if (table[j].above) {
518 wprintw(win, " above %d",
519 which_panel(px, table[j].above));
521 if (table[j].below) {
522 wprintw(win, "%s below %d",
523 table[j].above ? "," : "",
524 which_panel(px, table[j].below));
530 for (j = 0; j < (int) SIZEOF(help); ++j) {
531 if (wprintw(win, "%s\n", help[j]) == ERR)
542 #define wrapper(func) \
543 static int my_##func(PANEL *pan) \
552 wrapper(bottom_panel)
559 do_panel(PANEL * px[MAX_PANELS + 1],
560 NCURSES_CONST char *cmd,
563 int which = cmd[1] - '0';
565 if (which < 1 || which > MAX_PANELS) {
577 my_bottom_panel(px[which]);
580 my_create_panel(px, which, myFill);
583 my_remove_panel(px, which);
586 my_hide_panel(px[which]);
589 my_move_panel(px, which, FALSE);
592 my_move_panel(px, which, TRUE);
595 my_resize_panel(px, which, myFill);
598 my_show_panel(px[which]);
601 my_top_panel(px[which]);
609 return isalpha(UChar(ch)) && strchr("bcdhmMrst", ch) != 0;
615 return isdigit(UChar(ch)) && (ch >= '1') && (ch - '0' <= MAX_PANELS);
619 * A command consists of one or more letter/digit pairs separated by a space.
620 * Digits are limited to 1..MAX_PANELS.
622 * End the command with a newline. Reject other characters.
625 get_command(PANEL * px[MAX_PANELS + 1], char *buffer, int limit)
632 getyx(stdscr, y0, x0);
634 waddstr(win, "Command:");
635 buffer[length = 0] = '\0';
638 if (fgets(buffer, limit - 3, log_in) != 0) {
639 length = (int) strlen(buffer);
640 while (length > 0 && isspace(UChar(buffer[length - 1])))
641 buffer[--length] = '\0';
642 waddstr(win, buffer);
651 if (ch == ERR || ch == QUIT || ch == ESCAPE) {
654 } else if (ch == CTRL('L')) {
656 } else if (ch == '\n' || ch == KEY_ENTER) {
658 } else if (ch == '?') {
660 } else if (length + 3 < limit) {
663 } else if (ok_letter(UChar(ch))) {
664 if (isalpha(UChar(c0))) {
666 } else if (isdigit(UChar(c0))) {
667 wprintw(win, " %c", ch);
668 buffer[length++] = ' ';
669 buffer[length++] = (char) (c0 = ch);
671 wprintw(win, "%c", ch);
672 buffer[length++] = (char) (c0 = ch);
674 } else if (ok_digit(ch)) {
675 if (isalpha(UChar(c0))) {
676 wprintw(win, "%c", ch);
677 buffer[length++] = (char) (c0 = ch);
681 } else if (ch == ' ') {
682 if (isdigit(UChar(c0))) {
683 wprintw(win, "%c", ch);
684 buffer[length++] = (char) (c0 = ch);
697 wmove(stdscr, y0, x0);
699 buffer[length] = '\0';
700 if (log_out && length) {
701 fprintf(log_out, "%s\n", buffer);
703 return (length != 0);
707 demo_panels(InitPanel myInit, FillPanel myFill)
710 PANEL *px[MAX_PANELS + 1];
713 scrollok(stdscr, FALSE); /* we don't want stdscr to scroll! */
717 memset(px, 0, sizeof(px));
719 while (get_command(px, buffer, sizeof(buffer))) {
720 int limit = (int) strlen(buffer);
721 for (itmp = 0; itmp < limit; itmp += 3) {
722 do_panel(px, buffer + itmp, myFill);
727 for (itmp = 1; itmp <= MAX_PANELS; ++itmp) {
728 my_remove_panel(px, itmp);
736 static const char *const tbl[] =
738 "Usage: demo_panels [options]"
741 ," -i file read commands from file"
742 ," -o file record commands in file"
743 ," -m do not use colors"
744 #if USE_WIDEC_SUPPORT
745 ," -w use wide-characters in panels and background"
747 ," -x do not enclose panels in boxes"
750 for (n = 0; n < SIZEOF(tbl); n++)
751 fprintf(stderr, "%s\n", tbl[n]);
752 ExitProgram(EXIT_FAILURE);
756 main(int argc, char *argv[])
759 bool monochrome = FALSE;
760 InitPanel myInit = init_panel;
761 FillPanel myFill = fill_panel;
763 setlocale(LC_ALL, "");
765 while ((c = getopt(argc, argv, "i:o:mwx")) != -1) {
768 log_in = fopen(optarg, "r");
771 log_out = fopen(optarg, "w");
776 #if USE_WIDEC_SUPPORT
778 myInit = init_wide_panel;
779 myFill = fill_wide_panel;
790 myFill = fill_unboxed;
795 keypad(stdscr, TRUE);
797 use_colors = monochrome ? FALSE : has_colors();
801 demo_panels(myInit, myFill);
807 ExitProgram(EXIT_SUCCESS);
813 printf("This program requires the curses panel library\n");
814 ExitProgram(EXIT_FAILURE);