/****************************************************************************
- * Copyright (c) 2003,2006 Free Software Foundation, Inc. *
+ * Copyright (c) 2007-2010,2014 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* authorization. *
****************************************************************************/
/*
- * $Id: demo_panels.c,v 1.2 2006/04/01 19:08:03 tom Exp $
+ * $Id: demo_panels.c,v 1.38 2014/08/02 17:24:07 tom Exp $
*
* Demonstrate a variety of functions from the panel library.
- * Thomas Dickey - 2003/4/26
*/
-/*
-panel_above -
-panel_below -
-panel_hidden -
-replace_panel -
-*/
#include <test.priv.h>
#include <panel.h>
+#define LAST_POS '@'
+#define TEMP_POS '>'
+
+typedef void (*InitPanel) (void);
+typedef void (*FillPanel) (PANEL *);
+
+static bool use_colors = FALSE;
+static bool unboxed = FALSE;
+static FILE *log_in;
+static FILE *log_out;
+
+static void
+close_input(void)
+{
+ if (log_in != 0) {
+ fclose(log_in);
+ log_in = 0;
+ }
+}
+
+static void
+close_output(void)
+{
+ if (log_out != 0) {
+ fclose(log_out);
+ log_out = 0;
+ }
+}
+
+static WINDOW *
+statusline(void)
+{
+ WINDOW *result = stdscr;
+
+ wmove(result, LINES - 1, 0);
+ wclrtoeol(result);
+ return result;
+}
+
+static void
+pflush(void)
+{
+ update_panels();
+ doupdate();
+}
+
+static void
+saywhat(NCURSES_CONST char *text)
+{
+ WINDOW *win = statusline();
+ if (text != 0 && *text != '\0') {
+ waddstr(win, text);
+ waddstr(win, "; ");
+ }
+ waddstr(win, "press any key to continue");
+}
+
+static void
+show_position(NCURSES_CONST char *text,
+ NCURSES_CONST char *also,
+ int which,
+ int ypos,
+ int xpos)
+{
+ WINDOW *win = statusline();
+
+ wprintw(win, "%s for panel %d now %d,%d%s", text, which, ypos, xpos, also);
+ wmove(stdscr, ypos, xpos);
+}
+
+static int
+get_position(NCURSES_CONST char *text,
+ NCURSES_CONST char *also,
+ int which,
+ int *xpos,
+ int *ypos)
+{
+ int result = 0;
+ int x1, y1;
+ char cmd;
+
+ getyx(stdscr, y1, x1);
+ (void) statusline();
+
+ show_position(text, also, which, y1, x1);
+
+ if (log_in != 0) {
+ if (fscanf(log_in, "%c%d,%d\n", &cmd, &y1, &x1) == 3) {
+ switch (cmd) {
+ case LAST_POS:
+ result = 1;
+ (void) wgetch(stdscr);
+ break;
+ case TEMP_POS:
+ result = 0;
+ wrefresh(stdscr);
+ napms(100);
+ break;
+ default:
+ result = -1;
+ break;
+ }
+ } else {
+ result = -1;
+ }
+ } else {
+
+ switch (wgetch(stdscr)) {
+ case QUIT:
+ case ESCAPE:
+ case ERR:
+ result = -1;
+ break;
+ case ' ':
+ result = 1;
+ break;
+ case KEY_UP:
+ if (y1 > 0) {
+ --y1;
+ } else {
+ beep();
+ }
+ break;
+ case KEY_DOWN:
+ if (y1 < getmaxy(stdscr)) {
+ ++y1;
+ } else {
+ beep();
+ }
+ break;
+ case KEY_LEFT:
+ if (x1 > 0) {
+ --x1;
+ } else {
+ beep();
+ }
+ break;
+ case KEY_RIGHT:
+ if (x1 < getmaxx(stdscr)) {
+ ++x1;
+ } else {
+ beep();
+ }
+ break;
+ }
+ }
+
+ wmove(stdscr, y1, x1);
+ *ypos = y1;
+ *xpos = x1;
+
+ if (result >= 0) {
+ if (log_out)
+ fprintf(log_out, "%c%d,%d\n",
+ ((result > 0)
+ ? LAST_POS
+ : TEMP_POS),
+ y1, x1);
+ }
+ return result;
+}
+
+static PANEL *
+mkpanel(short color, int rows, int cols, int tly, int tlx)
+{
+ WINDOW *win;
+ PANEL *pan = 0;
+ char *userdata = typeMalloc(char, 3);
+
+ if ((win = newwin(rows, cols, tly, tlx)) != 0) {
+ keypad(win, TRUE);
+ if ((pan = new_panel(win)) == 0) {
+ delwin(win);
+ } else if (use_colors) {
+ short fg = (short) ((color == COLOR_BLUE)
+ ? COLOR_WHITE
+ : COLOR_BLACK);
+ short bg = color;
+
+ init_pair(color, fg, bg);
+ wbkgdset(win, (chtype) (COLOR_PAIR(color) | ' '));
+ } else if (!unboxed) {
+ wbkgdset(win, A_BOLD | ' ');
+ }
+ }
+ sprintf(userdata, "p%d", color % 8);
+ set_panel_userptr(pan, (NCURSES_CONST void *) userdata);
+ return pan;
+}
+
+static void
+my_remove_panel(PANEL ** pans, int which)
+{
+ if (pans[which] != 0) {
+ PANEL *pan = pans[which];
+ WINDOW *win = panel_window(pan);
+ char *user = (char *) panel_userptr(pan);
+
+ free(user);
+ del_panel(pan);
+ delwin(win);
+
+ pans[which] = 0;
+ }
+}
+
+#undef MIN
+#define MIN(a,b) ((a) < (b) ? (a) : (b))
+#define ABS(a) ((a) < 0 ? -(a) : (a))
+
+static void
+my_create_panel(PANEL ** pans, int which, FillPanel myFill)
+{
+ PANEL *pan = 0;
+ int code;
+ short pair = (short) which;
+ short fg = (short) ((pair == COLOR_BLUE) ? COLOR_WHITE : COLOR_BLACK);
+ short bg = pair;
+ int x0, y0, x1, y1;
+
+ init_pair(pair, fg, bg);
+
+ /* remove the old panel, if any */
+ my_remove_panel(pans, which);
+
+ /* get the position of one corner */
+ wmove(stdscr, getmaxy(stdscr) / 2, getmaxx(stdscr) / 2);
+ getyx(stdscr, y0, x0);
+ while ((code = get_position("First corner", "", which, &x0, &y0)) == 0) {
+ ;
+ }
+
+ if (code > 0) {
+ char also[80];
+ sprintf(also, " (first %d,%d)", y0, x0);
+ /* get the position of the opposite corner */
+ while ((code = get_position("Opposite corner",
+ also, which, &x1, &y1)) == 0) {
+ ;
+ }
+
+ if (code > 0) {
+ int tly = MIN(y0, y1);
+ int tlx = MIN(x0, x1);
+ pan = mkpanel(pair, ABS(y1 - y0) + 1, ABS(x1 - x0) + 1, tly, tlx);
+ /* finish */
+ myFill(pan);
+ pans[which] = pan;
+ pflush();
+ wmove(stdscr, y1, x1);
+ }
+ }
+}
+
+static void
+my_move_panel(PANEL ** pans, int which, bool continuous)
+{
+ if (pans[which] != 0) {
+ int code;
+ int y0, x0;
+ int y1, x1;
+ WINDOW *win = panel_window(pans[which]);
+ char also[80];
+
+ getbegyx(win, y0, x0);
+ sprintf(also, " (start %d,%d)", y0, x0);
+ wmove(stdscr, y0, x0);
+ while ((code = get_position("Move panel", also, which, &x1, &y1)) == 0) {
+ if (continuous) {
+ move_panel(pans[which], y1, x1);
+ pflush();
+ }
+ }
+ if (code > 0) {
+ move_panel(pans[which], y1, x1);
+ }
+ }
+}
+
+static void
+my_resize_panel(PANEL ** pans, int which, FillPanel myFill)
+{
+ if (pans[which] != 0) {
+ int code;
+ int y0, x0;
+ int y1, x1;
+ WINDOW *win = panel_window(pans[which]);
+ char also[80];
+
+ getbegyx(win, y0, x0);
+ sprintf(also, " (start %d,%d)", y0, x0);
+ wmove(stdscr, y0, x0);
+ while ((code = get_position("Resize panel",
+ also, which, &x1, &y1)) == 0) {
+ ;
+ }
+ if (code > 0) {
+ WINDOW *next = newwin(ABS(y1 - y0) + 1,
+ ABS(x1 - x0) + 1,
+ MIN(y0, y1),
+ MIN(x0, x1));
+ if (next != 0) {
+ keypad(next, TRUE);
+ if (use_colors) {
+ wbkgdset(next, (chtype) (COLOR_PAIR(which) | ' '));
+ } else if (!unboxed) {
+ wbkgdset(next, A_BOLD | ' ');
+ }
+ replace_panel(pans[which], next);
+ myFill(pans[which]);
+ delwin(win);
+ }
+ }
+ }
+}
+
+static void
+init_panel(void)
+{
+ register int y, x;
+
+ for (y = 0; y < LINES - 1; y++) {
+ for (x = 0; x < COLS; x++)
+ wprintw(stdscr, "%d", (y + x) % 10);
+ }
+}
+
+static void
+fill_panel(PANEL * pan)
+{
+ WINDOW *win = panel_window(pan);
+ const char *userptr = (const char *) panel_userptr(pan);
+ int num = (userptr && *userptr) ? userptr[1] : '?';
+ int y, x;
+
+ wmove(win, 1, 1);
+ wprintw(win, "-pan%c-", num);
+ wclrtoeol(win);
+ box(win, 0, 0);
+ for (y = 2; y < getmaxy(win) - 1; y++) {
+ for (x = 1; x < getmaxx(win) - 1; x++) {
+ wmove(win, y, x);
+ waddch(win, UChar(num));
+ }
+ }
+}
+
+static void
+fill_unboxed(PANEL * pan)
+{
+ WINDOW *win = panel_window(pan);
+ const char *userptr = (const char *) panel_userptr(pan);
+ int num = (userptr && *userptr) ? userptr[1] : '?';
+ int y, x;
+
+ for (y = 0; y < getmaxy(win); y++) {
+ for (x = 0; x < getmaxx(win); x++) {
+ wmove(win, y, x);
+ waddch(win, UChar(num));
+ }
+ }
+}
+
+#if USE_WIDEC_SUPPORT
+static void
+make_fullwidth_digit(cchar_t *target, int digit)
+{
+ wchar_t source[2];
+
+ source[0] = (wchar_t) (digit + 0xff10);
+ source[1] = 0;
+ setcchar(target, source, A_NORMAL, 0, 0);
+}
+
+static void
+init_wide_panel(void)
+{
+ int digit;
+ cchar_t temp[10];
+
+ for (digit = 0; digit < 10; ++digit)
+ make_fullwidth_digit(&temp[digit], digit);
+
+ do {
+ int y, x;
+ getyx(stdscr, y, x);
+ digit = (y + x / 2) % 10;
+ } while (add_wch(&temp[digit]) != ERR);
+}
+
+static void
+fill_wide_panel(PANEL * pan)
+{
+ WINDOW *win = panel_window(pan);
+ int num = ((const char *) panel_userptr(pan))[1];
+ int y, x;
+
+ wmove(win, 1, 1);
+ wprintw(win, "-pan%c-", num);
+ wclrtoeol(win);
+ box(win, 0, 0);
+ for (y = 2; y < getmaxy(win) - 1; y++) {
+ for (x = 1; x < getmaxx(win) - 1; x++) {
+ wmove(win, y, x);
+ waddch(win, UChar(num));
+ }
+ }
+}
+#endif
+
+#define MAX_PANELS 5
+
+static int
+which_panel(PANEL * px[MAX_PANELS + 1], PANEL * pan)
+{
+ int result = 0;
+ int j;
+
+ for (j = 1; j <= MAX_PANELS; ++j) {
+ if (px[j] == pan) {
+ result = j;
+ break;
+ }
+ }
+ return result;
+}
+
+static void
+show_panels(PANEL * px[MAX_PANELS + 1])
+{
+ static const char *help[] =
+ {
+ "",
+ "Commands are letter/digit pairs. Digits are the panel number.",
+ "",
+ " b - put the panel on the bottom of the stack",
+ " c - create the panel",
+ " d - delete the panel",
+ " h - hide the panel",
+ " m - move the panel (M for continuous move)",
+ " r - resize the panel",
+ " s - show the panel",
+ " b - put the panel on the top of the stack"
+ };
+
+ struct {
+ bool valid;
+ bool hidden;
+ PANEL *above;
+ PANEL *below;
+ } table[MAX_PANELS + 1];
+
+ WINDOW *win;
+ PANEL *pan;
+ int j;
+
+ memset(table, 0, sizeof(table));
+ for (j = 1; j <= MAX_PANELS; ++j) {
+ table[j].valid = (px[j] != 0);
+ if (table[j].valid) {
+ table[j].hidden = panel_hidden(px[j]);
+ table[j].above = panel_above(px[j]);
+ table[j].below = panel_below(px[j]);
+ }
+ }
+
+ if ((win = newwin(LINES - 1, COLS, 0, 0)) != 0) {
+ keypad(win, TRUE);
+ if ((pan = new_panel(win)) != 0) {
+ werase(win);
+ MvWPrintw(win, 0, 0, "Panels:\n");
+ for (j = 1; j <= MAX_PANELS; ++j) {
+ if (table[j].valid) {
+ wprintw(win, " %d:", j);
+ if (table[j].hidden) {
+ waddstr(win, " hidden");
+ } else {
+ if (table[j].above) {
+ wprintw(win, " above %d",
+ which_panel(px, table[j].above));
+ }
+ if (table[j].below) {
+ wprintw(win, "%s below %d",
+ table[j].above ? "," : "",
+ which_panel(px, table[j].below));
+ }
+ }
+ waddch(win, '\n');
+ }
+ }
+ for (j = 0; j < (int) SIZEOF(help); ++j) {
+ if (wprintw(win, "%s\n", help[j]) == ERR)
+ break;
+ }
+ wgetch(win);
+ del_panel(pan);
+ pflush();
+ }
+ delwin(win);
+ }
+}
+
+#define wrapper(func) \
+static int my_##func(PANEL *pan) \
+{ \
+ int code = ERR; \
+ if (pan != 0) { \
+ code = func(pan); \
+ } \
+ return code; \
+}
+/* *INDENT-OFF* */
+wrapper(bottom_panel)
+wrapper(hide_panel)
+wrapper(show_panel)
+wrapper(top_panel)
+/* *INDENT-ON* */
+
+static void
+do_panel(PANEL * px[MAX_PANELS + 1],
+ NCURSES_CONST char *cmd,
+ FillPanel myFill)
+{
+ int which = cmd[1] - '0';
+
+ if (which < 1 || which > MAX_PANELS) {
+ beep();
+ return;
+ }
+
+ if (log_in != 0) {
+ pflush();
+ }
+
+ saywhat(cmd);
+ switch (*cmd) {
+ case 'b':
+ my_bottom_panel(px[which]);
+ break;
+ case 'c':
+ my_create_panel(px, which, myFill);
+ break;
+ case 'd':
+ my_remove_panel(px, which);
+ break;
+ case 'h':
+ my_hide_panel(px[which]);
+ break;
+ case 'm':
+ my_move_panel(px, which, FALSE);
+ break;
+ case 'M':
+ my_move_panel(px, which, TRUE);
+ break;
+ case 'r':
+ my_resize_panel(px, which, myFill);
+ break;
+ case 's':
+ my_show_panel(px[which]);
+ break;
+ case 't':
+ my_top_panel(px[which]);
+ break;
+ }
+}
+
+static bool
+ok_letter(int ch)
+{
+ return isalpha(UChar(ch)) && strchr("bcdhmMrst", ch) != 0;
+}
+
+static bool
+ok_digit(int ch)
+{
+ return isdigit(UChar(ch)) && (ch >= '1') && (ch - '0' <= MAX_PANELS);
+}
+
+/*
+ * A command consists of one or more letter/digit pairs separated by a space.
+ * Digits are limited to 1..MAX_PANELS.
+ *
+ * End the command with a newline. Reject other characters.
+ */
+static bool
+get_command(PANEL * px[MAX_PANELS + 1], char *buffer, int limit)
+{
+ int length = 0;
+ int y0, x0;
+ int c0, ch;
+ WINDOW *win;
+
+ getyx(stdscr, y0, x0);
+ win = statusline();
+ waddstr(win, "Command:");
+ buffer[length = 0] = '\0';
+
+ if (log_in != 0) {
+ if (fgets(buffer, limit - 3, log_in) != 0) {
+ length = (int) strlen(buffer);
+ while (length > 0 && isspace(UChar(buffer[length - 1])))
+ buffer[--length] = '\0';
+ waddstr(win, buffer);
+ } else {
+ close_input();
+ }
+ (void) wgetch(win);
+ } else {
+ c0 = 0;
+ for (;;) {
+ ch = wgetch(win);
+ if (ch == ERR || ch == QUIT || ch == ESCAPE) {
+ buffer[0] = '\0';
+ break;
+ } else if (ch == CTRL('L')) {
+ wrefresh(curscr);
+ } else if (ch == '\n' || ch == KEY_ENTER) {
+ break;
+ } else if (ch == '?') {
+ show_panels(px);
+ } else if (length + 3 < limit) {
+ if (ch >= KEY_MIN) {
+ beep();
+ } else if (ok_letter(UChar(ch))) {
+ if (isalpha(UChar(c0))) {
+ beep();
+ } else if (isdigit(UChar(c0))) {
+ wprintw(win, " %c", ch);
+ buffer[length++] = ' ';
+ buffer[length++] = (char) (c0 = ch);
+ } else {
+ wprintw(win, "%c", ch);
+ buffer[length++] = (char) (c0 = ch);
+ }
+ } else if (ok_digit(ch)) {
+ if (isalpha(UChar(c0))) {
+ wprintw(win, "%c", ch);
+ buffer[length++] = (char) (c0 = ch);
+ } else {
+ beep();
+ }
+ } else if (ch == ' ') {
+ if (isdigit(UChar(c0))) {
+ wprintw(win, "%c", ch);
+ buffer[length++] = (char) (c0 = ch);
+ } else {
+ beep();
+ }
+ } else {
+ beep();
+ }
+ } else {
+ beep();
+ }
+ }
+ }
+
+ wmove(stdscr, y0, x0);
+
+ buffer[length] = '\0';
+ if (log_out && length) {
+ fprintf(log_out, "%s\n", buffer);
+ }
+ return (length != 0);
+}
+
+static void
+demo_panels(InitPanel myInit, FillPanel myFill)
+{
+ int itmp;
+ PANEL *px[MAX_PANELS + 1];
+ char buffer[BUFSIZ];
+
+ scrollok(stdscr, FALSE); /* we don't want stdscr to scroll! */
+ refresh();
+
+ myInit();
+ memset(px, 0, sizeof(px));
+
+ while (get_command(px, buffer, sizeof(buffer))) {
+ int limit = (int) strlen(buffer);
+ for (itmp = 0; itmp < limit; itmp += 3) {
+ do_panel(px, buffer + itmp, myFill);
+ }
+ pflush();
+ }
+#if NO_LEAKS
+ for (itmp = 1; itmp <= MAX_PANELS; ++itmp) {
+ my_remove_panel(px, itmp);
+ }
+#endif
+}
+
+static void
+usage(void)
+{
+ static const char *const tbl[] =
+ {
+ "Usage: demo_panels [options]"
+ ,""
+ ,"Options:"
+ ," -i file read commands from file"
+ ," -o file record commands in file"
+ ," -m do not use colors"
+#if USE_WIDEC_SUPPORT
+ ," -w use wide-characters in panels and background"
+#endif
+ ," -x do not enclose panels in boxes"
+ };
+ size_t n;
+ for (n = 0; n < SIZEOF(tbl); n++)
+ fprintf(stderr, "%s\n", tbl[n]);
+ ExitProgram(EXIT_FAILURE);
+}
+
int
-main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
+main(int argc, char *argv[])
{
- printf("Not implemented - demo for panel library\n");
- return EXIT_SUCCESS;
+ int c;
+ bool monochrome = FALSE;
+ InitPanel myInit = init_panel;
+ FillPanel myFill = fill_panel;
+
+ setlocale(LC_ALL, "");
+
+ while ((c = getopt(argc, argv, "i:o:mwx")) != -1) {
+ switch (c) {
+ case 'i':
+ log_in = fopen(optarg, "r");
+ break;
+ case 'o':
+ log_out = fopen(optarg, "w");
+ break;
+ case 'm':
+ monochrome = TRUE;
+ break;
+#if USE_WIDEC_SUPPORT
+ case 'w':
+ myInit = init_wide_panel;
+ myFill = fill_wide_panel;
+ break;
+#endif
+ case 'x':
+ unboxed = TRUE;
+ break;
+ default:
+ usage();
+ }
+ }
+ if (unboxed)
+ myFill = fill_unboxed;
+
+ initscr();
+ cbreak();
+ noecho();
+ keypad(stdscr, TRUE);
+
+ use_colors = monochrome ? FALSE : has_colors();
+ if (use_colors)
+ start_color();
+
+ demo_panels(myInit, myFill);
+ endwin();
+
+ close_input();
+ close_output();
+
+ ExitProgram(EXIT_SUCCESS);
}
#else
int
projects / ncurses.git / blobdiff