Update to ncurses-6.0
Change-Id: I98ab2ea8a5e13cca9f8b7cf6277b9b14a4da4299
diff --git a/test/cardfile.c b/test/cardfile.c
new file mode 100644
index 0000000..b750241
--- /dev/null
+++ b/test/cardfile.c
@@ -0,0 +1,619 @@
+/****************************************************************************
+ * Copyright (c) 1999-2012,2013 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 *
+ * "Software"), to deal in the Software without restriction, including *
+ * without limitation the rights to use, copy, modify, merge, publish, *
+ * distribute, distribute with modifications, sublicense, and/or sell *
+ * copies of the Software, and to permit persons to whom the Software is *
+ * furnished to do so, subject to the following conditions: *
+ * *
+ * The above copyright notice and this permission notice shall be included *
+ * in all copies or substantial portions of the Software. *
+ * *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+ * *
+ * Except as contained in this notice, the name(s) of the above copyright *
+ * holders shall not be used in advertising or otherwise to promote the *
+ * sale, use or other dealings in this Software without prior written *
+ * authorization. *
+ ****************************************************************************/
+
+/*
+ * Author: Thomas E. Dickey
+ *
+ * $Id: cardfile.c,v 1.42 2013/09/28 22:02:17 tom Exp $
+ *
+ * File format: text beginning in column 1 is a title; other text is content.
+ */
+
+#include <test.priv.h>
+
+#if USE_LIBFORM && USE_LIBPANEL
+
+#include <form.h>
+#include <panel.h>
+
+#define VISIBLE_CARDS 10
+#define OFFSET_CARD 2
+#define pair_1 1
+#define pair_2 2
+
+#define isVisible(cardp) ((cardp)->panel != 0)
+
+enum {
+ MY_CTRL_x = MAX_FORM_COMMAND
+ ,MY_CTRL_N
+ ,MY_CTRL_P
+ ,MY_CTRL_Q
+ ,MY_CTRL_W
+};
+
+typedef struct _card {
+ struct _card *link;
+ PANEL *panel;
+ FORM *form;
+ char *title;
+ char *content;
+} CARD;
+
+static CARD *all_cards;
+static bool try_color = FALSE;
+static char default_name[] = "cardfile.dat";
+
+static void
+failed(const char *s)
+{
+ perror(s);
+ endwin();
+ ExitProgram(EXIT_FAILURE);
+}
+
+static const char *
+skip(const char *buffer)
+{
+ while (isspace(UChar(*buffer)))
+ buffer++;
+ return buffer;
+}
+
+static void
+trim(char *buffer)
+{
+ size_t n = strlen(buffer);
+ while (n-- && isspace(UChar(buffer[n])))
+ buffer[n] = 0;
+}
+
+/*******************************************************************************/
+
+static CARD *
+add_title(const char *title)
+{
+ CARD *card, *p, *q;
+
+ for (p = all_cards, q = 0; p != 0; q = p, p = p->link) {
+ int cmp = strcmp(p->title, title);
+ if (cmp == 0)
+ return p;
+ if (cmp > 0)
+ break;
+ }
+
+ card = typeCalloc(CARD, (size_t) 1);
+ card->title = strdup(title);
+ card->content = strdup("");
+
+ if (q == 0) {
+ card->link = all_cards;
+ all_cards = card;
+ } else {
+ card->link = q->link;
+ q->link = card;
+ }
+
+ return card;
+}
+
+static void
+add_content(CARD * card, const char *content)
+{
+ size_t total, offset;
+
+ content = skip(content);
+ if ((total = strlen(content)) != 0) {
+ if (card->content != 0 && (offset = strlen(card->content)) != 0) {
+ total += 1 + offset;
+ card->content = typeRealloc(char, total + 1, card->content);
+ if (card->content)
+ strcpy(card->content + offset++, " ");
+ } else {
+ offset = 0;
+ if (card->content != 0)
+ free(card->content);
+ card->content = typeMalloc(char, total + 1);
+ }
+ if (card->content)
+ strcpy(card->content + offset, content);
+ else
+ failed("add_content");
+ }
+}
+
+static CARD *
+new_card(void)
+{
+ CARD *card = add_title("");
+ add_content(card, "");
+ return card;
+}
+
+static CARD *
+find_card(char *title)
+{
+ CARD *card;
+
+ for (card = all_cards; card != 0; card = card->link)
+ if (!strcmp(card->title, title))
+ break;
+
+ return card;
+}
+
+static void
+read_data(char *fname)
+{
+ FILE *fp;
+ CARD *card = 0;
+ char buffer[BUFSIZ];
+
+ if ((fp = fopen(fname, "r")) != 0) {
+ while (fgets(buffer, sizeof(buffer), fp)) {
+ trim(buffer);
+ if (isspace(UChar(*buffer))) {
+ if (card == 0)
+ card = add_title("");
+ add_content(card, buffer);
+ } else if ((card = find_card(buffer)) == 0) {
+ card = add_title(buffer);
+ }
+ }
+ fclose(fp);
+ }
+}
+
+/*******************************************************************************/
+
+static void
+write_data(const char *fname)
+{
+ FILE *fp;
+ CARD *p = 0;
+ int n;
+
+ if (!strcmp(fname, default_name))
+ fname = "cardfile.out";
+
+ if ((fp = fopen(fname, "w")) != 0) {
+ for (p = all_cards; p != 0; p = p->link) {
+ FIELD **f = form_fields(p->form);
+ for (n = 0; f[n] != 0; n++) {
+ char *s = field_buffer(f[n], 0);
+ if (s != 0
+ && (s = strdup(s)) != 0) {
+ trim(s);
+ fprintf(fp, "%s%s\n", n ? "\t" : "", s);
+ free(s);
+ }
+ }
+ }
+ fclose(fp);
+ }
+}
+
+/*******************************************************************************/
+
+/*
+ * Count the cards
+ */
+static int
+count_cards(void)
+{
+ CARD *p;
+ int count = 0;
+
+ for (p = all_cards; p != 0; p = p->link)
+ count++;
+
+ return count;
+}
+
+/*
+ * Shuffle the panels to keep them in a natural hierarchy.
+ */
+static void
+order_cards(CARD * first, int depth)
+{
+ if (first) {
+ if (depth && first->link)
+ order_cards(first->link, depth - 1);
+ if (isVisible(first))
+ top_panel(first->panel);
+ }
+}
+
+/*
+ * Return the next card in the list
+ */
+static CARD *
+next_card(CARD * now)
+{
+ if (now->link != 0) {
+ CARD *tst = now->link;
+ if (isVisible(tst))
+ now = tst;
+ else
+ (void) next_card(tst);
+ }
+ return now;
+}
+
+/*
+ * Return the previous card in the list
+ */
+static CARD *
+prev_card(CARD * now)
+{
+ CARD *p;
+ for (p = all_cards; p != 0; p = p->link) {
+ if (p->link == now) {
+ if (!isVisible(p))
+ p = prev_card(p);
+ return p;
+ }
+ }
+ return now;
+}
+
+/*
+ * Returns the first card in the list that we will display.
+ */
+static CARD *
+first_card(CARD * now)
+{
+ if (!isVisible(now))
+ now = next_card(now);
+ return now;
+}
+
+/*******************************************************************************/
+
+static int
+form_virtualize(WINDOW *w)
+{
+ int c = wgetch(w);
+
+ switch (c) {
+ case CTRL('W'):
+ return (MY_CTRL_W);
+ case CTRL('N'):
+ return (MY_CTRL_N);
+ case CTRL('P'):
+ return (MY_CTRL_P);
+ case QUIT:
+ case ESCAPE:
+ return (MY_CTRL_Q);
+
+ case KEY_BACKSPACE:
+ return (REQ_DEL_PREV);
+ case KEY_DC:
+ return (REQ_DEL_CHAR);
+ case KEY_LEFT:
+ return (REQ_LEFT_CHAR);
+ case KEY_RIGHT:
+ return (REQ_RIGHT_CHAR);
+
+ case KEY_DOWN:
+ case KEY_NEXT:
+ return (REQ_NEXT_FIELD);
+ case KEY_UP:
+ case KEY_PREVIOUS:
+ return (REQ_PREV_FIELD);
+
+ default:
+ return (c);
+ }
+}
+
+static FIELD **
+make_fields(CARD * p, int form_high, int form_wide)
+{
+ FIELD **f = typeCalloc(FIELD *, (size_t) 3);
+
+ f[0] = new_field(1, form_wide, 0, 0, 0, 0);
+ set_field_back(f[0], A_REVERSE);
+ set_field_buffer(f[0], 0, p->title);
+ field_opts_off(f[0], O_BLANK);
+
+ f[1] = new_field(form_high - 1, form_wide, 1, 0, 0, 0);
+ set_field_buffer(f[1], 0, p->content);
+ set_field_just(f[1], JUSTIFY_LEFT);
+ field_opts_off(f[1], O_BLANK);
+
+ f[2] = 0;
+ return f;
+}
+
+static void
+show_legend(void)
+{
+ erase();
+ move(LINES - 3, 0);
+ addstr("^Q/ESC -- exit form ^W -- writes data to file\n");
+ addstr("^N -- go to next card ^P -- go to previous card\n");
+ addstr("Arrow keys move left/right within a field, up/down between fields");
+}
+
+#if (defined(KEY_RESIZE) && HAVE_WRESIZE) || NO_LEAKS
+static void
+free_form_fields(FIELD ** f)
+{
+ int n;
+
+ for (n = 0; f[n] != 0; ++n) {
+ free_field(f[n]);
+ }
+ free(f);
+}
+#endif
+
+/*******************************************************************************/
+
+static void
+cardfile(char *fname)
+{
+ WINDOW *win;
+ CARD *p;
+ CARD *top_card;
+ int visible_cards;
+ int panel_wide;
+ int panel_high;
+ int form_wide;
+ int form_high;
+ int y;
+ int x;
+ int ch = ERR;
+ int finished = FALSE;
+
+ show_legend();
+
+ /* decide how many cards we can display */
+ visible_cards = count_cards();
+ while (
+ (panel_wide = COLS - (visible_cards * OFFSET_CARD)) < 10 ||
+ (panel_high = LINES - (visible_cards * OFFSET_CARD) - 5) < 5) {
+ --visible_cards;
+ }
+ form_wide = panel_wide - 2;
+ form_high = panel_high - 2;
+ y = (visible_cards - 1) * OFFSET_CARD;
+ x = 0;
+
+ /* make a panel for each CARD */
+ for (p = all_cards; p != 0; p = p->link) {
+
+ if ((win = newwin(panel_high, panel_wide, y, x)) == 0)
+ break;
+
+ wbkgd(win, (chtype) COLOR_PAIR(pair_2));
+ keypad(win, TRUE);
+ p->panel = new_panel(win);
+ box(win, 0, 0);
+
+ p->form = new_form(make_fields(p, form_high, form_wide));
+ set_form_win(p->form, win);
+ set_form_sub(p->form, derwin(win, form_high, form_wide, 1, 1));
+ post_form(p->form);
+
+ y -= OFFSET_CARD;
+ x += OFFSET_CARD;
+ }
+
+ top_card = first_card(all_cards);
+ order_cards(top_card, visible_cards);
+
+ while (!finished) {
+ update_panels();
+ doupdate();
+
+ ch = form_virtualize(panel_window(top_card->panel));
+ switch (form_driver(top_card->form, ch)) {
+ case E_OK:
+ break;
+ case E_UNKNOWN_COMMAND:
+ switch (ch) {
+ case MY_CTRL_Q:
+ finished = TRUE;
+ break;
+ case MY_CTRL_P:
+ top_card = prev_card(top_card);
+ order_cards(top_card, visible_cards);
+ break;
+ case MY_CTRL_N:
+ top_card = next_card(top_card);
+ order_cards(top_card, visible_cards);
+ break;
+ case MY_CTRL_W:
+ form_driver(top_card->form, REQ_VALIDATION);
+ write_data(fname);
+ break;
+#if defined(KEY_RESIZE) && HAVE_WRESIZE
+ case KEY_RESIZE:
+ /* resizeterm already did "something" reasonable, but it cannot
+ * know much about layout. So let's make it nicer.
+ */
+ panel_wide = COLS - (visible_cards * OFFSET_CARD);
+ panel_high = LINES - (visible_cards * OFFSET_CARD) - 5;
+
+ form_wide = panel_wide - 2;
+ form_high = panel_high - 2;
+
+ y = (visible_cards - 1) * OFFSET_CARD;
+ x = 0;
+
+ show_legend();
+ for (p = all_cards; p != 0; p = p->link) {
+ FIELD **oldf = form_fields(p->form);
+ WINDOW *olds = form_sub(p->form);
+
+ if (!isVisible(p))
+ continue;
+ win = form_win(p->form);
+
+ /* move and resize the card as needed
+ * FIXME: if the windows are shrunk too much, this won't do
+ */
+ mvwin(win, y, x);
+ wresize(win, panel_high, panel_wide);
+
+ /* reconstruct each form. Forms are not resizable, and
+ * there appears to be no good way to reload the text in
+ * a resized window.
+ */
+ werase(win);
+
+ unpost_form(p->form);
+ free_form(p->form);
+
+ p->form = new_form(make_fields(p, form_high, form_wide));
+ set_form_win(p->form, win);
+ set_form_sub(p->form, derwin(win, form_high, form_wide,
+ 1, 1));
+ post_form(p->form);
+
+ free_form_fields(oldf);
+ delwin(olds);
+
+ box(win, 0, 0);
+
+ y -= OFFSET_CARD;
+ x += OFFSET_CARD;
+ }
+ break;
+#endif
+ default:
+ beep();
+ break;
+ }
+ break;
+ default:
+ flash();
+ break;
+ }
+ }
+#if NO_LEAKS
+ while (all_cards != 0) {
+ FIELD **f;
+
+ p = all_cards;
+ all_cards = all_cards->link;
+
+ if (isVisible(p)) {
+ f = form_fields(p->form);
+
+ unpost_form(p->form); /* ...so we can free it */
+ free_form(p->form); /* this also disconnects the fields */
+
+ free_form_fields(f);
+
+ del_panel(p->panel);
+ }
+ free(p->title);
+ free(p->content);
+ free(p);
+ }
+#endif
+}
+
+static void
+usage(void)
+{
+ static const char *msg[] =
+ {
+ "Usage: view [options] file"
+ ,""
+ ,"Options:"
+ ," -c use color if terminal supports it"
+ };
+ size_t n;
+ for (n = 0; n < SIZEOF(msg); n++)
+ fprintf(stderr, "%s\n", msg[n]);
+ ExitProgram(EXIT_FAILURE);
+}
+
+/*******************************************************************************/
+
+int
+main(int argc, char *argv[])
+{
+ int n;
+
+ setlocale(LC_ALL, "");
+
+ while ((n = getopt(argc, argv, "c")) != -1) {
+ switch (n) {
+ case 'c':
+ try_color = TRUE;
+ break;
+ default:
+ usage();
+ }
+ }
+
+ initscr();
+ cbreak();
+ noecho();
+
+ if (try_color) {
+ if (has_colors()) {
+ start_color();
+ init_pair(pair_1, COLOR_WHITE, COLOR_BLUE);
+ init_pair(pair_2, COLOR_WHITE, COLOR_CYAN);
+ bkgd((chtype) COLOR_PAIR(pair_1));
+ } else {
+ try_color = FALSE;
+ }
+ }
+
+ if (optind + 1 == argc) {
+ for (n = 1; n < argc; n++)
+ read_data(argv[n]);
+ if (count_cards() == 0)
+ new_card();
+ cardfile(argv[1]);
+ } else {
+ read_data(default_name);
+ if (count_cards() == 0)
+ new_card();
+ cardfile(default_name);
+ }
+
+ endwin();
+
+ ExitProgram(EXIT_SUCCESS);
+}
+#else
+int
+main(void)
+{
+ printf("This program requires the curses form and panel libraries\n");
+ ExitProgram(EXIT_FAILURE);
+}
+#endif