/****************************************************************************
- * Copyright (c) 1999,2000 Free Software Foundation, Inc. *
+ * Copyright (c) 1999-2002,2003 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 *
/*
* Author: Thomas E. Dickey <dickey@clark.net> 1999
*
- * $Id: cardfile.c,v 1.5 2000/09/09 19:08:32 tom Exp $
+ * $Id: cardfile.c,v 1.23 2003/04/26 16:43:56 tom Exp $
*
- * File format: text beginning in column 1 is a title; other text forms the content.
+ * 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>
-#include <string.h>
-#include <ctype.h>
-
#define VISIBLE_CARDS 10
#define OFFSET_CARD 2
-#ifndef CTRL
-#define CTRL(x) ((x) & 0x1f)
-#endif
+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;
static const char *
skip(const char *buffer)
{
- while (isspace(*buffer))
+ while (isspace(UChar(*buffer)))
buffer++;
return buffer;
}
trim(char *buffer)
{
unsigned n = strlen(buffer);
- while (n-- && isspace(buffer[n]))
+ while (n-- && isspace(UChar(buffer[n])))
buffer[n] = 0;
}
card->content = (char *) realloc(card->content, total + 1);
strcpy(card->content + offset++, " ");
} else {
+ if (card->content != 0)
+ free(card->content);
card->content = (char *) malloc(total + 1);
}
strcpy(card->content + offset, content);
if ((fp = fopen(fname, "r")) != 0) {
while (fgets(buffer, sizeof(buffer), fp)) {
trim(buffer);
- if (isspace(*buffer)) {
+ if (isspace(UChar(*buffer))) {
if (card == 0)
card = add_title("");
add_content(card, buffer);
switch (c) {
case CTRL('W'):
- return (MAX_FORM_COMMAND + 4);
+ return (MY_CTRL_W);
case CTRL('N'):
- return (MAX_FORM_COMMAND + 3);
+ return (MY_CTRL_N);
case CTRL('P'):
- return (MAX_FORM_COMMAND + 2);
+ return (MY_CTRL_P);
case CTRL('Q'):
case 033:
- return (MAX_FORM_COMMAND + 1);
+ return (MY_CTRL_Q);
case KEY_BACKSPACE:
return (REQ_DEL_PREV);
}
}
+static FIELD **
+make_fields(CARD * p, int form_high, int form_wide)
+{
+ FIELD **f = (FIELD **) calloc(3, sizeof(FIELD *));
+
+ 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
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 y = (visible_cards - 1) * OFFSET_CARD;
+ int x = 0;
+ int ch = ERR;
+ int last_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");
+ show_legend();
/* 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);
+ win = newwin(panel_high, panel_wide, y, x);
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);
+ 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);
- x -= OFFSET_CARD;
- y += OFFSET_CARD;
+ y -= OFFSET_CARD;
+ x += OFFSET_CARD;
}
order_cards(top_card = all_cards, visible_cards);
update_panels();
doupdate();
- switch (form_driver(top_card->form, ch =
- form_virtualize(panel_window(top_card->panel)))) {
+ last_ch = ch;
+ 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 MAX_FORM_COMMAND + 1:
+ case MY_CTRL_Q:
finished = TRUE;
break;
- case MAX_FORM_COMMAND + 2:
+ case MY_CTRL_P:
top_card = prev_card(top_card);
order_cards(top_card, visible_cards);
break;
- case MAX_FORM_COMMAND + 3:
+ case MY_CTRL_N:
top_card = next_card(top_card);
order_cards(top_card, visible_cards);
break;
- case MAX_FORM_COMMAND + 4:
+ 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);
+
+ 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;
}
}
+#if NO_LEAKS
+ while (all_cards != 0) {
+ FIELD **f;
+ int count;
+
+ p = all_cards;
+ all_cards = all_cards->link;
+
+ f = form_fields(p->form);
+ count = field_count(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
}
/*******************************************************************************/
{
int n;
+ setlocale(LC_ALL, "");
+
initscr();
cbreak();
noecho();
endwin();
- return EXIT_SUCCESS;
+ ExitProgram(EXIT_SUCCESS);
}
+#else
+int
+main(void)
+{
+ printf("This program requires the curses form and panel libraries\n");
+ ExitProgram(EXIT_FAILURE);
+}
+#endif