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29 * $Id: demo_panels.c,v 1.28 2007/08/11 16:34:49 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 = malloc(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 = ((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);
247 #define MIN(a,b) ((a) < (b) ? (a) : (b))
248 #define ABS(a) ((a) < 0 ? -(a) : (a))
251 my_create_panel(PANEL ** pans, int which, FillPanel myFill)
256 short fg = (pair == COLOR_BLUE) ? COLOR_WHITE : COLOR_BLACK;
260 init_pair(pair, fg, bg);
262 /* remove the old panel, if any */
263 my_remove_panel(pans, which);
265 /* get the position of one corner */
266 wmove(stdscr, getmaxy(stdscr) / 2, getmaxx(stdscr) / 2);
267 getyx(stdscr, y0, x0);
268 while ((code = get_position("First corner", "", which, &x0, &y0)) == 0) {
274 sprintf(also, " (first %d,%d)", y0, x0);
275 /* get the position of the opposite corner */
276 while ((code = get_position("Opposite corner",
277 also, which, &x1, &y1)) == 0) {
282 int tly = MIN(y0, y1);
283 int tlx = MIN(x0, x1);
284 pan = mkpanel(pair, ABS(y1 - y0) + 1, ABS(x1 - x0) + 1, tly, tlx);
289 wmove(stdscr, y1, x1);
295 my_move_panel(PANEL ** pans, int which, bool continuous)
297 if (pans[which] != 0) {
301 WINDOW *win = panel_window(pans[which]);
304 getbegyx(win, y0, x0);
305 sprintf(also, " (start %d,%d)", y0, x0);
306 wmove(stdscr, y0, x0);
307 while ((code = get_position("Move panel", also, which, &x1, &y1)) == 0) {
309 move_panel(pans[which], y1, x1);
314 move_panel(pans[which], y1, x1);
320 my_resize_panel(PANEL ** pans, int which, FillPanel myFill)
322 if (pans[which] != 0) {
326 WINDOW *win = panel_window(pans[which]);
329 getbegyx(win, y0, x0);
330 sprintf(also, " (start %d,%d)", y0, x0);
331 wmove(stdscr, y0, x0);
332 while ((code = get_position("Resize panel",
333 also, which, &x1, &y1)) == 0) {
337 WINDOW *next = newwin(ABS(y1 - y0) + 1,
344 wbkgdset(next, (chtype) (COLOR_PAIR(which) | ' '));
345 } else if (!unboxed) {
346 wbkgdset(next, A_BOLD | ' ');
348 replace_panel(pans[which], next);
361 for (y = 0; y < LINES - 1; y++) {
362 for (x = 0; x < COLS; x++)
363 wprintw(stdscr, "%d", (y + x) % 10);
368 fill_panel(PANEL * pan)
370 WINDOW *win = panel_window(pan);
371 int num = ((const char *) panel_userptr(pan))[1];
375 wprintw(win, "-pan%c-", num);
378 for (y = 2; y < getmaxy(win) - 1; y++) {
379 for (x = 1; x < getmaxx(win) - 1; x++) {
381 waddch(win, UChar(num));
387 fill_unboxed(PANEL * pan)
389 WINDOW *win = panel_window(pan);
390 int num = ((const char *) panel_userptr(pan))[1];
393 for (y = 0; y < getmaxy(win); y++) {
394 for (x = 0; x < getmaxx(win); x++) {
396 waddch(win, UChar(num));
401 #if USE_WIDEC_SUPPORT
403 make_fullwidth_digit(cchar_t *target, int digit)
407 source[0] = digit + 0xff10;
409 setcchar(target, source, A_NORMAL, 0, 0);
413 init_wide_panel(void)
418 for (digit = 0; digit < 10; ++digit)
419 make_fullwidth_digit(&temp[digit], digit);
424 digit = (y + x / 2) % 10;
425 } while (add_wch(&temp[digit]) != ERR);
429 fill_wide_panel(PANEL * pan)
431 WINDOW *win = panel_window(pan);
432 int num = ((const char *) panel_userptr(pan))[1];
436 wprintw(win, "-pan%c-", num);
439 for (y = 2; y < getmaxy(win) - 1; y++) {
440 for (x = 1; x < getmaxx(win) - 1; x++) {
442 waddch(win, UChar(num));
451 which_panel(PANEL * px[MAX_PANELS + 1], PANEL * pan)
456 for (j = 1; j <= MAX_PANELS; ++j) {
466 show_panels(PANEL * px[MAX_PANELS + 1])
468 static const char *help[] =
471 "Commands are letter/digit pairs. Digits are the panel number.",
473 " b - put the panel on the bottom of the stack",
474 " c - create the panel",
475 " d - delete the panel",
476 " h - hide the panel",
477 " m - move the panel (M for continuous move)",
478 " r - resize the panel",
479 " s - show the panel",
480 " b - put the panel on the top of the stack"
488 } table[MAX_PANELS + 1];
494 for (j = 1; j <= MAX_PANELS; ++j) {
495 table[j].valid = (px[j] != 0);
496 if (table[j].valid) {
497 table[j].hidden = panel_hidden(px[j]);
498 table[j].above = panel_above(px[j]);
499 table[j].below = panel_below(px[j]);
503 if ((win = newwin(LINES - 1, COLS, 0, 0)) != 0) {
505 if ((pan = new_panel(win)) != 0) {
507 mvwprintw(win, 0, 0, "Panels:\n");
508 for (j = 1; j <= MAX_PANELS; ++j) {
509 if (table[j].valid) {
510 wprintw(win, " %d:", j);
511 if (table[j].hidden) {
512 waddstr(win, " hidden");
514 if (table[j].above) {
515 wprintw(win, " above %d",
516 which_panel(px, table[j].above));
518 if (table[j].below) {
519 wprintw(win, "%s below %d",
520 table[j].above ? "," : "",
521 which_panel(px, table[j].below));
527 for (j = 0; j < (int) SIZEOF(help); ++j) {
528 if (wprintw(win, "%s\n", help[j]) == ERR)
539 #define wrapper(func) \
540 static int my_##func(PANEL *pan) \
549 wrapper(bottom_panel)
556 do_panel(PANEL * px[MAX_PANELS + 1],
557 NCURSES_CONST char *cmd,
560 int which = cmd[1] - '0';
562 if (which < 1 || which > MAX_PANELS) {
574 my_bottom_panel(px[which]);
577 my_create_panel(px, which, myFill);
580 my_remove_panel(px, which);
583 my_hide_panel(px[which]);
586 my_move_panel(px, which, FALSE);
589 my_move_panel(px, which, TRUE);
592 my_resize_panel(px, which, myFill);
595 my_show_panel(px[which]);
598 my_top_panel(px[which]);
606 return isalpha(UChar(ch)) && strchr("bcdhmMrst", ch) != 0;
612 return isdigit(UChar(ch)) && (ch >= '1') && (ch - '0' <= MAX_PANELS);
616 * A command consists of one or more letter/digit pairs separated by a space.
617 * Digits are limited to 1..MAX_PANELS.
619 * End the command with a newline. Reject other characters.
622 get_command(PANEL * px[MAX_PANELS + 1], char *buffer, int limit)
629 getyx(stdscr, y0, x0);
631 waddstr(win, "Command:");
632 buffer[length = 0] = '\0';
635 if (fgets(buffer, limit - 3, log_in) != 0) {
636 length = strlen(buffer);
637 while (length > 0 && isspace(buffer[length - 1]))
638 buffer[--length] = '\0';
639 waddstr(win, buffer);
648 if (ch == ERR || ch == QUIT || ch == ESCAPE) {
651 } else if (ch == CTRL('L')) {
653 } else if (ch == '\n' || ch == KEY_ENTER) {
655 } else if (ch == '?') {
657 } else if (length + 3 < limit) {
660 } else if (ok_letter(UChar(ch))) {
661 if (isalpha(UChar(c0))) {
663 } else if (isdigit(UChar(c0))) {
664 wprintw(win, " %c", ch);
665 buffer[length++] = ' ';
666 buffer[length++] = c0 = ch;
668 wprintw(win, "%c", ch);
669 buffer[length++] = c0 = ch;
671 } else if (ok_digit(ch)) {
672 if (isalpha(UChar(c0))) {
673 wprintw(win, "%c", ch);
674 buffer[length++] = c0 = ch;
678 } else if (ch == ' ') {
679 if (isdigit(UChar(c0))) {
680 wprintw(win, "%c", ch);
681 buffer[length++] = c0 = ch;
694 wmove(stdscr, y0, x0);
696 buffer[length] = '\0';
697 if (log_out && length) {
698 fprintf(log_out, "%s\n", buffer);
700 return (length != 0);
704 demo_panels(InitPanel myInit, FillPanel myFill)
707 PANEL *px[MAX_PANELS + 1];
710 scrollok(stdscr, FALSE); /* we don't want stdscr to scroll! */
714 memset(px, 0, sizeof(px));
716 while (get_command(px, buffer, sizeof(buffer))) {
717 int limit = strlen(buffer);
718 for (itmp = 0; itmp < limit; itmp += 3) {
719 do_panel(px, buffer + itmp, myFill);
724 for (itmp = 1; itmp <= MAX_PANELS; ++itmp) {
725 my_remove_panel(px, itmp);
733 static const char *const tbl[] =
735 "Usage: demo_panels [options]"
738 ," -i file read commands from file"
739 ," -o file record commands in file"
740 ," -m do not use colors"
741 #if USE_WIDEC_SUPPORT
742 ," -w use wide-characters in panels and background"
744 ," -x do not enclose panels in boxes"
747 for (n = 0; n < SIZEOF(tbl); n++)
748 fprintf(stderr, "%s\n", tbl[n]);
749 ExitProgram(EXIT_FAILURE);
753 main(int argc, char *argv[])
756 bool monochrome = FALSE;
757 InitPanel myInit = init_panel;
758 FillPanel myFill = fill_panel;
760 setlocale(LC_ALL, "");
762 while ((c = getopt(argc, argv, "i:o:mwx")) != -1) {
765 log_in = fopen(optarg, "r");
768 log_out = fopen(optarg, "w");
773 #if USE_WIDEC_SUPPORT
775 myInit = init_wide_panel;
776 myFill = fill_wide_panel;
787 myFill = fill_unboxed;
792 keypad(stdscr, TRUE);
794 use_colors = monochrome ? FALSE : has_colors();
798 demo_panels(myInit, myFill);
804 ExitProgram(EXIT_SUCCESS);
810 printf("This program requires the curses panel library\n");
811 ExitProgram(EXIT_FAILURE);