/****************************************************************************
- * Copyright (c) 2003-2010,2011 Free Software Foundation, Inc. *
+ * Copyright (c) 2003-2018,2019 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_forms.c,v 1.38 2011/01/15 18:15:11 tom Exp $
+ * $Id: demo_forms.c,v 1.56 2019/08/17 21:49:19 tom Exp $
*
* Demonstrate a variety of functions from the form library.
* Thomas Dickey - 2003/4/26
*/
/*
-TYPE_ENUM -
-TYPE_REGEXP -
dup_field -
field_init -
field_just -
#include <edit_field.h>
+typedef struct {
+ char *name;
+ char *value;
+} MY_DATA;
+
+static MY_DATA *my_data;
+
static int d_option = 0;
static int j_value = 0;
static int m_value = 0;
static int o_value = 0;
static char *t_value = 0;
+static void
+failed(const char *s)
+{
+ perror(s);
+ ExitProgram(EXIT_FAILURE);
+}
+
+static void
+chomp(char *value)
+{
+ size_t have = strlen(value);
+ while (have != 0 && (value[have - 1] == '\n' || value[have - 1] == '\r')) {
+ value[--have] = '\0';
+ }
+}
+
+static int
+trimmed(const char *value)
+{
+ int result = (int) strlen(value);
+ while (result > 0 && isspace(UChar(value[result - 1]))) {
+ --result;
+ }
+ return result;
+}
+
+static char *
+get_data(const char *name)
+{
+ char *result = t_value;
+ if (my_data != 0) {
+ int n;
+ for (n = 0; my_data[n].name != 0; ++n) {
+ if (!strcmp(name, my_data[n].name)) {
+ result = my_data[n].value;
+ break;
+ }
+ }
+ }
+ return result;
+}
+
+/*
+ * Read (possibly) multi-line data with name+value pairs.
+ */
+static void
+read_data(const char *filename)
+{
+ FILE *fp = fopen(filename, "r");
+
+ if (fp != 0) {
+ char buffer[BUFSIZ];
+ char *colon;
+ int more = 0;
+ int item = 0;
+
+ my_data = typeCalloc(MY_DATA, (size_t) 100); /* FIXME */
+ while (fgets(buffer, sizeof(buffer), fp) != 0) {
+ chomp(buffer);
+ if (more) {
+ if (strcmp(buffer, ".")) {
+ char *prior = my_data[more - 1].value;
+ size_t need = strlen(buffer) + 2 + strlen(prior);
+ char *value = typeRealloc(char, need, prior);
+ if (value == 0)
+ failed("realloc");
+ _nc_STRCAT(value, "\n", need);
+ _nc_STRCAT(value, buffer, need);
+ my_data[more - 1].value = value;
+ } else {
+ more = 0;
+ }
+ } else if (*buffer == '#') {
+ continue;
+ } else if ((colon = strchr(buffer, ':')) != 0) {
+ char *name;
+ char *value;
+ *colon++ = '\0';
+ name = strdup(buffer);
+ value = strdup(colon);
+ if (name == 0 || value == 0)
+ failed("strdup");
+ my_data[item].name = name;
+ my_data[item].value = value;
+ more = ++item;
+ } else {
+ failed("expected a colon");
+ }
+ }
+ fclose(fp);
+ } else {
+ failed(filename);
+ }
+}
+
static FIELD *
-make_label(int frow, int fcol, NCURSES_CONST char *label)
+make_label(const char *label, int frow, int fcol)
{
FIELD *f = new_field(1, (int) strlen(label), frow, fcol, 0, 0);
* Define each field with an extra one, for reflecting "actual" text.
*/
static FIELD *
-make_field(int frow, int fcol, int rows, int cols)
+make_field(const char *label, int frow, int fcol, int rows, int cols)
{
FIELD *f = new_field(rows, cols, frow, fcol, o_value, 1);
if (f) {
- FieldAttrs *ptr;
-
set_field_back(f, A_UNDERLINE);
/*
* If -j and -d options are combined, -j loses. It is documented in
set_field_just(f, j_value);
if (d_option) {
if (has_colors()) {
- set_field_fore(f, COLOR_PAIR(2));
- set_field_back(f, A_UNDERLINE | COLOR_PAIR(3));
+ set_field_fore(f, (chtype) COLOR_PAIR(2));
+ set_field_back(f, (A_UNDERLINE | (chtype) COLOR_PAIR(3)));
} else {
set_field_fore(f, A_BOLD);
}
set_max_field(f, m_value);
}
- /*
- * The userptr is used in edit_field.c's inactive_field().
- */
- ptr = (FieldAttrs *) field_userptr(f);
- if (ptr == 0) {
- ptr = typeCalloc(FieldAttrs, 1);
- ptr->background = field_back(f);
- }
- set_field_userptr(f, (void *) ptr);
- if (t_value)
- set_field_buffer(f, 0, t_value);
+ init_edit_field(f, get_data(label));
}
return (f);
}
static void
-display_form(FORM * f)
+display_form(FORM *f)
{
WINDOW *w;
int rows, cols;
set_form_sub(f, derwin(w, rows, cols, 1, 2));
box(w, 0, 0);
keypad(w, TRUE);
- }
- if (post_form(f) != E_OK)
- wrefresh(w);
+ if (post_form(f) != E_OK)
+ wrefresh(w);
+ }
}
static void
-erase_form(FORM * f)
+erase_form(FORM *f)
{
WINDOW *w = form_win(f);
WINDOW *s = form_sub(f);
#define O_SELECTABLE (O_ACTIVE | O_VISIBLE)
static FIELD *
-another_field(FORM * form, FIELD * field)
+another_field(FORM *form, FIELD *field)
{
FIELD **f = form_fields(form);
FIELD *result = 0;
}
static int
-my_form_driver(FORM * form, int c)
+my_form_driver(FORM *form, int c)
{
static bool insert_mode = TRUE;
FIELD *field;
}
static void
-show_current_field(WINDOW *win, FORM * form)
+show_current_field(WINDOW *win, FORM *form)
{
FIELD *field;
- FIELDTYPE *type;
- char *buffer;
- int nbuf;
int field_rows, field_cols, field_max;
int currow, curcol;
if (has_colors()) {
- wbkgd(win, COLOR_PAIR(1));
+ wbkgd(win, (chtype) COLOR_PAIR(1));
}
werase(win);
form_getyx(form, currow, curcol);
if (data_behind(form))
waddstr(win, " behind");
waddch(win, '\n');
+
if ((field = current_field(form)) != 0) {
+ FIELDTYPE *type;
+ int nbuf;
+
wprintw(win, "Page %d%s, Field %d/%d%s:",
form_page(form),
new_page(field) ? "*" : "",
}
waddch(win, ' ');
- (void) wattrset(win, field_fore(field));
+ (void) wattrset(win, AttrArg(field_fore(field), 0));
waddstr(win, "fore");
- wattroff(win, field_fore(field));
+ wattroff(win, (int) field_fore(field));
waddch(win, '/');
- (void) wattrset(win, field_back(field));
+ (void) wattrset(win, AttrArg(field_back(field), 0));
waddstr(win, "back");
- wattroff(win, field_back(field));
+ wattroff(win, (int) field_back(field));
- wprintw(win, ", pad '%c'",
- field_pad(field));
+ wprintw(win, ", pad '%c'", field_pad(field));
waddstr(win, "\n");
for (nbuf = 0; nbuf <= 2; ++nbuf) {
+ char *buffer;
if ((buffer = field_buffer(field, nbuf)) != 0) {
wprintw(win, "buffer %d:", nbuf);
(void) wattrset(win, A_REVERSE);
- waddstr(win, buffer);
+ if (nbuf) {
+ waddnstr(win, buffer, trimmed(buffer));
+ } else {
+ waddstr(win, buffer);
+ }
wattroff(win, A_REVERSE);
waddstr(win, "\n");
}
static void
demo_forms(void)
{
- WINDOW *w;
FORM *form;
- FIELD *f[100]; /* FIXME memset to zero */
- int finished = 0, c;
+ FIELD *f[100]; /* will memset to zero */
+ int c;
unsigned n = 0;
int pg;
- WINDOW *also;
+ const char *fname;
+ static const char *my_enum[] =
+ {"first", "second", "third", 0};
#ifdef NCURSES_MOUSE_VERSION
mousemask(ALL_MOUSE_EVENTS, (mmask_t *) 0);
memset(f, 0, sizeof(f));
for (pg = 0; pg < 4; ++pg) {
char label[80];
- sprintf(label, "Sample Form Page %d", pg + 1);
- f[n++] = make_label(0, 15, label);
+ _nc_SPRINTF(label, _nc_SLIMIT(sizeof(label))
+ "Sample Form Page %d", pg + 1);
+ f[n++] = make_label(label, 0, 15);
set_new_page(f[n - 1], TRUE);
switch (pg) {
default:
- f[n++] = make_label(2, 0, "Last Name");
- f[n++] = make_field(3, 0, 1, 18);
+ fname = "Last Name";
+ f[n++] = make_label(fname, 2, 0);
+ f[n++] = make_field(fname, 3, 0, 1, 18);
set_field_type(f[n - 1], TYPE_ALPHA, 1);
- f[n++] = make_label(2, 20, "First Name");
- f[n++] = make_field(3, 20, 1, 12);
+ fname = "First Name";
+ f[n++] = make_label(fname, 2, 20);
+ f[n++] = make_field(fname, 3, 20, 1, 12);
set_field_type(f[n - 1], TYPE_ALPHA, 1);
- f[n++] = make_label(2, 34, "Middle Name");
- f[n++] = make_field(3, 34, 1, 12);
+ fname = "Middle Name";
+ f[n++] = make_label(fname, 2, 34);
+ f[n++] = make_field(fname, 3, 34, 1, 12);
set_field_type(f[n - 1], TYPE_ALPHA, 1);
break;
+
case 1:
- f[n++] = make_label(2, 0, "Last Name");
- f[n++] = make_field(3, 0, 1, 18);
+ fname = "Last Name";
+ f[n++] = make_label(fname, 2, 0);
+ f[n++] = make_field(fname, 3, 0, 1, 12);
set_field_type(f[n - 1], TYPE_ALPHA, 1);
- f[n++] = make_label(2, 20, "First Name");
- f[n++] = make_field(3, 20, 1, 12);
+ fname = "First Name";
+ f[n++] = make_label(fname, 2, 14);
+ f[n++] = make_field(fname, 3, 14, 1, 12);
set_field_type(f[n - 1], TYPE_ALPHA, 1);
- f[n++] = make_label(2, 34, "MI");
- f[n++] = make_field(3, 34, 1, 1);
+ fname = "MI";
+ f[n++] = make_label(fname, 2, 28);
+ f[n++] = make_field(fname, 3, 28, 1, 1);
set_field_pad(f[n - 1], '?');
set_field_type(f[n - 1], TYPE_ALPHA, 1);
+
+ fname = "First/Second/Third";
+ f[n++] = make_label(fname, 2, 32);
+ f[n++] = make_field(fname, 3, 32, 1, 12);
+ set_field_type(f[n - 1], TYPE_ENUM, my_enum, 0, 0);
break;
+
case 2:
- f[n++] = make_label(2, 0, "Host Name");
- f[n++] = make_field(3, 0, 1, 18);
+ fname = "Host Name";
+ f[n++] = make_label(fname, 2, 0);
+ f[n++] = make_field(fname, 3, 0, 1, 24);
set_field_type(f[n - 1], TYPE_ALNUM, 1);
#ifdef NCURSES_VERSION
- f[n++] = make_label(2, 20, "IP Address");
- f[n++] = make_field(3, 20, 1, 12);
+ fname = "IP Address";
+ f[n++] = make_label(fname, 2, 26);
+ f[n++] = make_field(fname, 3, 26, 1, 16);
set_field_type(f[n - 1], TYPE_IPV4, 1);
#endif
-
break;
case 3:
- f[n++] = make_label(2, 0, "Four digits");
- f[n++] = make_field(3, 0, 1, 18);
+ fname = "Four digits";
+ f[n++] = make_label(fname, 2, 0);
+ f[n++] = make_field(fname, 3, 0, 1, 10);
set_field_type(f[n - 1], TYPE_INTEGER, 4, 0, 0);
- f[n++] = make_label(2, 20, "Numeric");
- f[n++] = make_field(3, 20, 1, 12);
+ fname = "Numeric";
+ f[n++] = make_label(fname, 2, 13);
+ f[n++] = make_field(fname, 3, 13, 1, 12);
set_field_type(f[n - 1], TYPE_NUMERIC, 3, -10000.0, 100000000.0);
+ fname = "Phone number";
+ f[n++] = make_label(fname, 2, 27);
+ f[n++] = make_field(fname, 3, 27, 1, 16);
+ set_field_type(f[n - 1], TYPE_REGEXP,
+ "^([0-9]-)?[0-9]{3}-[0-9]{3}-[0-9]{4} *$");;
break;
}
- f[n++] = make_label(5, 0, "Comments");
- f[n++] = make_field(6, 0, 4, 46);
- set_field_buffer(f[n - 1], 0, "HELLO\nWORLD!");
- set_field_buffer(f[n - 1], 1, "Hello\nWorld!");
+ fname = "Comments";
+ f[n++] = make_label(fname, 5, 0);
+ f[n++] = make_field(fname, 6, 0, 4, 46);
+ init_edit_field(f[n - 1], get_data(fname));
}
f[n] = (FIELD *) 0;
if ((form = new_form(f)) != 0) {
+ WINDOW *w;
+ WINDOW *also;
+ int finished = 0;
display_form(form);
free_form(form);
}
for (c = 0; f[c] != 0; c++) {
- void *ptr = field_userptr(f[c]);
- free(ptr);
+ free_edit_field(f[c]);
free_field(f[c]);
}
noraw();
{
static const char *tbl[] =
{
- "Usage: demo_forms [options]"
+ "Usage: demo_forms [options] [data file]"
,""
," -d make fields dynamic"
," -j value justify (1=left, 2=center, 3=right)"
}
}
+ while (optind < argc) {
+ read_data(argv[optind++]);
+ }
initscr();
cbreak();
init_pair(1, COLOR_WHITE, COLOR_BLUE);
init_pair(2, COLOR_GREEN, COLOR_BLACK);
init_pair(3, COLOR_CYAN, COLOR_BLACK);
- bkgd(COLOR_PAIR(1));
+ bkgd((chtype) COLOR_PAIR(1));
refresh();
}
endwin();
ExitProgram(EXIT_SUCCESS);
}
+
#else
int
main(void)
projects / ncurses.git / blobdiff