1 /****************************************************************************
2 * Copyright (c) 2007-2018,2019 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
27 ****************************************************************************/
29 * $Id: demo_panels.c,v 1.44 2019/08/31 23:24:11 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,
121 getyx(stdscr, y1, x1);
124 show_position(text, also, which, y1, x1);
127 if (fscanf(log_in, "%c%d,%d\n", &cmd, &y1, &x1) == 3) {
131 (void) wgetch(stdscr);
147 switch (wgetch(stdscr)) {
164 if (y1 < getmaxy(stdscr)) {
178 if (x1 < getmaxx(stdscr)) {
187 wmove(stdscr, y1, x1);
193 fprintf(log_out, "%c%d,%d\n",
203 mkpanel(short color, int rows, int cols, int tly, int tlx)
207 char *userdata = typeMalloc(char, 6);
209 if ((win = newwin(rows, cols, tly, tlx)) != 0) {
211 if ((pan = new_panel(win)) == 0) {
213 } else if (use_colors) {
214 short fg = (short) ((color == COLOR_BLUE)
219 init_pair(color, fg, bg);
220 wbkgdset(win, (chtype) (COLOR_PAIR(color) | ' '));
221 } else if (!unboxed) {
222 wbkgdset(win, A_BOLD | ' ');
225 _nc_SPRINTF(userdata, _nc_SLIMIT(4) "p%d", color % 8);
226 set_panel_userptr(pan, (NCURSES_CONST void *) userdata);
231 my_remove_panel(PANEL **pans, int which)
233 if (pans[which] != 0) {
234 PANEL *pan = pans[which];
235 WINDOW *win = panel_window(pan);
236 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)
254 short pair = (short) which;
255 short fg = (short) ((pair == COLOR_BLUE) ? COLOR_WHITE : COLOR_BLACK);
259 init_pair(pair, fg, bg);
261 /* remove the old panel, if any */
262 my_remove_panel(pans, which);
264 /* get the position of one corner */
265 wmove(stdscr, getmaxy(stdscr) / 2, getmaxx(stdscr) / 2);
266 getyx(stdscr, y0, x0);
267 while ((code = get_position("First corner", "", which, &x0, &y0)) == 0) {
273 _nc_SPRINTF(also, _nc_SLIMIT(sizeof(also)) " (first %d,%d)", y0, x0);
274 /* get the position of the opposite corner */
275 while ((code = get_position("Opposite corner",
276 also, which, &x1, &y1)) == 0) {
281 int tly = MIN(y0, y1);
282 int tlx = MIN(x0, x1);
283 PANEL *pan = mkpanel(pair,
291 wmove(stdscr, y1, x1);
297 my_move_panel(PANEL **pans, int which, bool continuous)
299 if (pans[which] != 0) {
303 WINDOW *win = panel_window(pans[which]);
306 getbegyx(win, y0, x0);
307 _nc_SPRINTF(also, _nc_SLIMIT(sizeof(also)) " (start %d,%d)", y0, x0);
308 wmove(stdscr, y0, x0);
309 while ((code = get_position("Move panel", also, which, &x1, &y1)) == 0) {
311 move_panel(pans[which], y1, x1);
316 move_panel(pans[which], y1, x1);
322 my_resize_panel(PANEL **pans, int which, FillPanel myFill)
324 if (pans[which] != 0) {
328 WINDOW *win = panel_window(pans[which]);
331 getbegyx(win, y0, x0);
332 _nc_SPRINTF(also, _nc_SLIMIT(sizeof(also)) " (start %d,%d)", y0, x0);
333 wmove(stdscr, y0, x0);
334 while ((code = get_position("Resize panel",
335 also, which, &x1, &y1)) == 0) {
339 WINDOW *next = newwin(ABS(y1 - y0) + 1,
346 wbkgdset(next, (chtype) (COLOR_PAIR(which) | ' '));
347 } else if (!unboxed) {
348 wbkgdset(next, A_BOLD | ' ');
350 replace_panel(pans[which], next);
363 for (y = 0; y < LINES - 1; y++) {
364 for (x = 0; x < COLS; x++)
365 wprintw(stdscr, "%d", (y + x) % 10);
370 fill_panel(PANEL *pan)
372 WINDOW *win = panel_window(pan);
373 const char *userptr = (const char *) panel_userptr(pan);
374 int num = (userptr && *userptr) ? userptr[1] : '?';
378 wprintw(win, "-pan%c-", num);
381 for (y = 2; y < getmaxy(win) - 1; y++) {
382 for (x = 1; x < getmaxx(win) - 1; x++) {
384 waddch(win, UChar(num));
390 fill_unboxed(PANEL *pan)
392 WINDOW *win = panel_window(pan);
393 const char *userptr = (const char *) panel_userptr(pan);
394 int num = (userptr && *userptr) ? userptr[1] : '?';
397 for (y = 0; y < getmaxy(win); y++) {
398 for (x = 0; x < getmaxx(win); x++) {
400 waddch(win, UChar(num));
405 #if USE_WIDEC_SUPPORT
407 make_fullwidth_digit(cchar_t *target, int digit)
411 source[0] = (wchar_t) (digit + 0xff10);
413 setcchar(target, source, A_NORMAL, 0, 0);
417 init_wide_panel(void)
422 for (digit = 0; digit < 10; ++digit)
423 make_fullwidth_digit(&temp[digit], digit);
428 digit = (y + x / 2) % 10;
429 } while (add_wch(&temp[digit]) != ERR);
433 fill_wide_panel(PANEL *pan)
435 WINDOW *win = panel_window(pan);
436 int num = ((const char *) panel_userptr(pan))[1];
440 wprintw(win, "-pan%c-", num);
443 for (y = 2; y < getmaxy(win) - 1; y++) {
444 for (x = 1; x < getmaxx(win) - 1; x++) {
446 waddch(win, UChar(num));
455 which_panel(PANEL *px[MAX_PANELS + 1], PANEL *pan)
460 for (j = 1; j <= MAX_PANELS; ++j) {
470 show_help(WINDOW *win)
472 static const char *help[] =
475 "Commands are letter/digit pairs. Digits are the panel number.",
477 " b - put the panel on the bottom of the stack",
478 " c - create the panel",
479 " d - delete the panel",
480 " h - hide the panel",
481 " m - move the panel (M for continuous move)",
482 " r - resize the panel",
483 " s - show the panel",
484 " t - put the panel on the top of the stack"
488 for (j = 0; j < (int) SIZEOF(help); ++j) {
489 if (wprintw(win, "%s\n", help[j]) == ERR)
495 show_panels(PANEL *px[MAX_PANELS + 1])
502 } table[MAX_PANELS + 1];
507 memset(table, 0, sizeof(table));
508 for (j = 1; j <= MAX_PANELS; ++j) {
509 table[j].valid = (px[j] != 0);
510 if (table[j].valid) {
511 table[j].hidden = panel_hidden(px[j]);
512 table[j].above = panel_above(px[j]);
513 table[j].below = panel_below(px[j]);
517 if ((win = newwin(LINES - 1, COLS, 0, 0)) != 0) {
521 if ((pan = new_panel(win)) != 0) {
523 MvWPrintw(win, 0, 0, "Panels:\n");
524 for (j = 1; j <= MAX_PANELS; ++j) {
525 if (table[j].valid) {
526 wprintw(win, " %d:", j);
527 if (table[j].hidden) {
528 waddstr(win, " hidden");
530 if (table[j].above) {
531 wprintw(win, " above %d",
532 which_panel(px, table[j].above));
534 if (table[j].below) {
535 wprintw(win, "%s below %d",
536 table[j].above ? "," : "",
537 which_panel(px, table[j].below));
552 #define wrapper(func) \
553 static int my_##func(PANEL *pan) \
562 wrapper(bottom_panel)
569 do_panel(PANEL *px[MAX_PANELS + 1],
570 NCURSES_CONST char *cmd,
573 int which = cmd[1] - '0';
575 if (which < 1 || which > MAX_PANELS) {
587 my_bottom_panel(px[which]);
590 my_create_panel(px, which, myFill);
593 my_remove_panel(px, which);
596 my_hide_panel(px[which]);
599 my_move_panel(px, which, FALSE);
602 my_move_panel(px, which, TRUE);
605 my_resize_panel(px, which, myFill);
608 my_show_panel(px[which]);
611 my_top_panel(px[which]);
619 return isalpha(UChar(ch)) && strchr("bcdhmMrst", ch) != 0;
625 return isdigit(UChar(ch)) && (ch >= '1') && (ch - '0' <= MAX_PANELS);
629 * A command consists of one or more letter/digit pairs separated by a space.
630 * Digits are limited to 1..MAX_PANELS.
632 * End the command with a newline. Reject other characters.
635 get_command(PANEL *px[MAX_PANELS + 1], char *buffer, int limit)
641 getyx(stdscr, y0, x0);
643 waddstr(win, "Command:");
644 buffer[length = 0] = '\0';
647 if (fgets(buffer, limit - 3, log_in) != 0) {
648 length = (int) strlen(buffer);
649 while (length > 0 && isspace(UChar(buffer[length - 1])))
650 buffer[--length] = '\0';
651 waddstr(win, buffer);
659 int ch = wgetch(win);
660 if (ch == ERR || ch == QUIT || ch == ESCAPE) {
663 } else if (ch == CTRL('L')) {
665 } else if (ch == '\n' || ch == KEY_ENTER) {
667 } else if (ch == HELP_KEY_1) {
669 } else if (length + 3 < limit) {
672 } else if (ok_letter(UChar(ch))) {
673 if (isalpha(UChar(c0))) {
675 } else if (isdigit(UChar(c0))) {
676 wprintw(win, " %c", ch);
677 buffer[length++] = ' ';
678 buffer[length++] = (char) (c0 = ch);
680 wprintw(win, "%c", ch);
681 buffer[length++] = (char) (c0 = ch);
683 } else if (ok_digit(ch)) {
684 if (isalpha(UChar(c0))) {
685 wprintw(win, "%c", ch);
686 buffer[length++] = (char) (c0 = ch);
690 } else if (ch == ' ') {
691 if (isdigit(UChar(c0))) {
692 wprintw(win, "%c", ch);
693 buffer[length++] = (char) (c0 = ch);
706 wmove(stdscr, y0, x0);
708 buffer[length] = '\0';
709 if (log_out && length) {
710 fprintf(log_out, "%s\n", buffer);
712 return (length != 0);
716 demo_panels(InitPanel myInit, FillPanel myFill)
719 PANEL *px[MAX_PANELS + 1];
722 scrollok(stdscr, FALSE); /* we don't want stdscr to scroll! */
726 memset(px, 0, sizeof(px));
728 while (get_command(px, buffer, sizeof(buffer))) {
729 int limit = (int) strlen(buffer);
730 for (itmp = 0; itmp < limit; itmp += 3) {
731 do_panel(px, buffer + itmp, myFill);
736 for (itmp = 1; itmp <= MAX_PANELS; ++itmp) {
737 my_remove_panel(px, itmp);
745 static const char *const tbl[] =
747 "Usage: demo_panels [options]"
750 ," -i file read commands from file"
751 ," -o file record commands in file"
752 ," -m do not use colors"
753 #if USE_WIDEC_SUPPORT
754 ," -w use wide-characters in panels and background"
756 ," -x do not enclose panels in boxes"
759 for (n = 0; n < SIZEOF(tbl); n++)
760 fprintf(stderr, "%s\n", tbl[n]);
761 ExitProgram(EXIT_FAILURE);
765 main(int argc, char *argv[])
768 bool monochrome = FALSE;
769 InitPanel myInit = init_panel;
770 FillPanel myFill = fill_panel;
772 setlocale(LC_ALL, "");
774 while ((c = getopt(argc, argv, "i:o:mwx")) != -1) {
777 log_in = fopen(optarg, "r");
780 log_out = fopen(optarg, "w");
785 #if USE_WIDEC_SUPPORT
787 myInit = init_wide_panel;
788 myFill = fill_wide_panel;
799 myFill = fill_unboxed;
804 keypad(stdscr, TRUE);
806 use_colors = monochrome ? FALSE : has_colors();
810 demo_panels(myInit, myFill);
816 ExitProgram(EXIT_SUCCESS);
822 printf("This program requires the curses panel library\n");
823 ExitProgram(EXIT_FAILURE);