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Diffstat (limited to 'contrib/ncurses/test/cardfile.c')
-rw-r--r-- | contrib/ncurses/test/cardfile.c | 420 |
1 files changed, 420 insertions, 0 deletions
diff --git a/contrib/ncurses/test/cardfile.c b/contrib/ncurses/test/cardfile.c new file mode 100644 index 0000000..bc2e1ad --- /dev/null +++ b/contrib/ncurses/test/cardfile.c @@ -0,0 +1,420 @@ +/**************************************************************************** + * Copyright (c) 1999 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 <dickey@clark.net> 1999 + * + * $Id: cardfile.c,v 1.2 1999/06/16 00:41:57 tom Exp $ + * + * File format: text beginning in column 1 is a title; other text forms the content. + */ + +#include <test.priv.h> + +#include <form.h> +#include <panel.h> + +#include <string.h> +#include <ctype.h> + +#define VISIBLE_CARDS 10 +#define OFFSET_CARD 2 + +#ifndef CTRL +#define CTRL(x) ((x) & 0x1f) +#endif + +typedef struct _card { + struct _card *link; + PANEL *panel; + FORM *form; + char *title; + char *content; +} CARD; + +static CARD *all_cards; +static char default_name[] = "cardfile.dat"; + +#if !HAVE_STRDUP +#define strdup my_strdup +static char *strdup (char *s) +{ + char *p = (char *)malloc(strlen(s)+1); + if (p) + strcpy(p, s); + return(p); +} +#endif /* not HAVE_STRDUP */ + +static char *skip(char *buffer) +{ + while (isspace(*buffer)) + buffer++; + return buffer; +} + +static void trim(char *buffer) +{ + unsigned n = strlen(buffer); + while (n-- && isspace(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 = (CARD *)calloc(1, sizeof(CARD)); + 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, char *content) +{ + unsigned total, offset; + + content = skip(content); + if ((total = strlen(content)) != 0) + { + if ((offset = strlen(card->content)) != 0) + { + total += 1 + offset; + card->content = (char *)realloc(card->content, total + 1); + strcpy(card->content + offset++, " "); + } + else + { + card->content = (char *)malloc(total + 1); + } + strcpy(card->content + offset, content); + } +} + +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(*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); + top_panel(first->panel); + } +} + +/* + * Return the next card in the list + */ +static CARD *next_card(CARD *now) +{ + if (now->link) + now = now->link; + 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) + return p; + return now; +} + + +/*******************************************************************************/ + +static int form_virtualize(WINDOW *w) +{ + int c = wgetch(w); + + switch(c) + { + case CTRL('W'): + return(MAX_FORM_COMMAND + 4); + case CTRL('N'): + return(MAX_FORM_COMMAND + 3); + case CTRL('P'): + return(MAX_FORM_COMMAND + 2); + case CTRL('Q'): + case 033: + return(MAX_FORM_COMMAND + 1); + + 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 void cardfile(char *fname) +{ + WINDOW *win; + CARD *p; + CARD *top_card; + int visible_cards = count_cards(); + int panel_wide = COLS - (visible_cards * OFFSET_CARD); + int panel_high = LINES - (visible_cards * OFFSET_CARD) - 5; + int form_wide = panel_wide - 2; + int form_high = panel_high - 2; + int x = (visible_cards - 1) * OFFSET_CARD; + int y = 0; + int ch; + int finished = FALSE; + + 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"); + + /* make a panel for each CARD */ + for (p = all_cards; p != 0; p = p->link) + { + FIELD **f = (FIELD **)calloc(3, sizeof(FIELD *)); + + win = newwin(panel_high, panel_wide, x, y); + keypad(win, TRUE); + p->panel = new_panel(win); + box(win, 0, 0); + + /* ...and a form in each panel */ + 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); + + 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); + + f[2] = 0; + + p->form = new_form(f); + set_form_win(p->form, win); + set_form_sub(p->form, derwin(win, form_high, form_wide, 1, 1)); + post_form(p->form); + + x -= OFFSET_CARD; + y += OFFSET_CARD; + } + + order_cards(top_card = all_cards, visible_cards); + + update_panels(); + + while (!finished) + { + update_panels(); + doupdate(); + + switch(form_driver(top_card->form, ch = form_virtualize(panel_window(top_card->panel)))) + { + case E_OK: + break; + case E_UNKNOWN_COMMAND: + switch (ch) { + case MAX_FORM_COMMAND+1: + finished = TRUE; + break; + case MAX_FORM_COMMAND+2: + top_card = prev_card(top_card); + order_cards(top_card, visible_cards); + break; + case MAX_FORM_COMMAND+3: + top_card = next_card(top_card); + order_cards(top_card, visible_cards); + break; + case MAX_FORM_COMMAND+4: + write_data(fname); + break; + default: + beep(); + break; + } + break; + default: + flash(); + break; + } + } +} + +/*******************************************************************************/ + +int main(int argc, char *argv[]) +{ + int n; + + initscr(); + cbreak(); + noecho(); + + if (argc > 1) + { + for (n = 1; n < argc; n++) + read_data(argv[n]); + cardfile(argv[1]); + } + else + { + read_data(default_name); + cardfile(default_name); + } + + endwin(); + + return EXIT_SUCCESS; +} |