+/****************************************************************************
+ * Copyright (c) 2003-2014,2016 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. *
+ ****************************************************************************/
/*
- * $Id: demo_forms.c,v 1.3 2003/05/03 22:08:20 tom Exp $
+ * $Id: demo_forms.c,v 1.52 2016/09/10 21:14:55 tom Exp $
*
* Demonstrate a variety of functions from the form library.
* Thomas Dickey - 2003/4/26
*/
/*
-TYPE_ALNUM -
TYPE_ENUM -
-TYPE_INTEGER -
-TYPE_IPV4 -
-TYPE_NUMERIC -
TYPE_REGEXP -
-data_ahead -
-data_behind -
dup_field -
-dynamic_field_info -
-field_arg -
-field_back -
-field_count -
-field_fore -
field_init -
field_just -
-field_opts_on -
-field_pad -
-field_status -
field_term -
-field_type -
form_init -
form_opts -
form_opts_off -
form_opts_on -
-form_page -
form_request_by_name -
form_term -
form_userptr -
move_field -
new_page -
pos_form_cursor -
-set_current_field -
-set_field_fore -
set_field_init -
-set_field_pad -
-set_field_status -
set_field_term -
set_fieldtype_arg -
set_fieldtype_choice -
#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, strlen(label), frow, fcol, 0, 0);
+ FIELD *f = new_field(1, (int) strlen(label), frow, fcol, 0, 0);
if (f) {
set_field_buffer(f, 0, label);
- set_field_opts(f, field_opts(f) & ~O_ACTIVE);
+ set_field_opts(f, (int) ((unsigned) field_opts(f) & ~O_ACTIVE));
}
return (f);
}
* 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, 0, 1);
+ FIELD *f = new_field(rows, cols, frow, fcol, o_value, 1);
if (f) {
set_field_back(f, A_UNDERLINE);
- set_field_userptr(f, (void *) 0);
+ /*
+ * If -j and -d options are combined, -j loses. It is documented in
+ * "Character User Interface Programming", page 12-15 that setting
+ * O_STATIC off makes the form library ignore justification.
+ */
+ set_field_just(f, j_value);
+ if (d_option) {
+ if (has_colors()) {
+ 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);
+ }
+ /*
+ * The field_opts_off() call dumps core with Solaris curses,
+ * but that is a known bug in Solaris' form library -TD
+ */
+ field_opts_off(f, O_STATIC);
+ set_max_field(f, m_value);
+ }
+
+ init_edit_field(f, get_data(label));
}
return (f);
}
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
delwin(w);
}
+static void
+show_insert_mode(bool insert_mode)
+{
+ MvAddStr(5, 57, (insert_mode
+ ? "form_status: insert "
+ : "form_status: overlay"));
+}
+
+#define O_SELECTABLE (O_ACTIVE | O_VISIBLE)
+
+static FIELD *
+another_field(FORM * form, FIELD * field)
+{
+ FIELD **f = form_fields(form);
+ FIELD *result = 0;
+ int n;
+
+ for (n = 0; f[n] != 0; ++n) {
+ if (f[n] != field) {
+ result = f[n];
+ field_opts_on(result, O_SELECTABLE);
+ break;
+ }
+ }
+ return result;
+}
+
static int
my_form_driver(FORM * form, int c)
{
+ static bool insert_mode = TRUE;
+ FIELD *field;
+
switch (c) {
- case EDIT_FIELD('q'):
+ case MY_QUIT:
if (form_driver(form, REQ_VALIDATION) == E_OK)
return (TRUE);
break;
- case EDIT_FIELD('h'):
+ case MY_HELP:
help_edit_field();
break;
+ case MY_EDT_MODE:
+ if ((field = current_field(form)) != 0) {
+ set_current_field(form, another_field(form, field));
+ if ((unsigned) field_opts(field) & O_EDIT) {
+ field_opts_off(field, O_EDIT);
+ set_field_status(field, 0);
+ } else {
+ field_opts_on(field, O_EDIT);
+ }
+ set_current_field(form, field);
+ }
+ break;
+ case MY_INS_MODE:
+ /* there should be a form_status() function, but there is none */
+ if (!insert_mode) {
+ if (form_driver(form, REQ_INS_MODE) == E_OK) {
+ insert_mode = TRUE;
+ }
+ } else {
+ if (form_driver(form, REQ_OVL_MODE) == E_OK) {
+ insert_mode = FALSE;
+ }
+ }
+ show_insert_mode(insert_mode);
+ refresh();
+ break;
default:
beep();
break;
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);
- wprintw(win, "Cursor: %d,%d\n", form->currow, form->curcol);
+ form_getyx(form, currow, curcol);
+ wprintw(win, "Cursor: %d,%d", currow, curcol);
+ if (data_ahead(form))
+ waddstr(win, " ahead");
+ if (data_behind(form))
+ waddstr(win, " behind");
+ waddch(win, '\n');
if ((field = current_field(form)) != 0) {
- wprintw(win, "Field %d:", field_index(field));
+ wprintw(win, "Page %d%s, Field %d/%d%s:",
+ form_page(form),
+ new_page(field) ? "*" : "",
+ field_index(field), field_count(form),
+ field_arg(field) ? "(arg)" : "");
if ((type = field_type(field)) != 0) {
if (type == TYPE_ALNUM)
waddstr(win, "ALNUM");
waddstr(win, "ENUM");
else if (type == TYPE_INTEGER)
waddstr(win, "INTEGER");
+#ifdef NCURSES_VERSION
+ else if (type == TYPE_IPV4)
+ waddstr(win, "IPV4");
+#endif
else if (type == TYPE_NUMERIC)
waddstr(win, "NUMERIC");
else if (type == TYPE_REGEXP)
else
waddstr(win, "other");
}
+
+ if ((unsigned) field_opts(field) & O_EDIT)
+ waddstr(win, " editable");
+ else
+ waddstr(win, " readonly");
+
+ if (field_status(field))
+ waddstr(win, " modified");
+
+ if (dynamic_field_info(field, &field_rows, &field_cols, &field_max)
+ != ERR) {
+ wprintw(win, " size %dx%d (max %d)",
+ field_rows, field_cols, field_max);
+ }
+
+ waddch(win, ' ');
+ (void) wattrset(win, AttrArg(field_fore(field), 0));
+ waddstr(win, "fore");
+ wattroff(win, (int) field_fore(field));
+
+ waddch(win, '/');
+
+ (void) wattrset(win, AttrArg(field_back(field), 0));
+ waddstr(win, "back");
+ wattroff(win, (int) field_back(field));
+
+ wprintw(win, ", pad '%c'", field_pad(field));
+
waddstr(win, "\n");
for (nbuf = 0; nbuf <= 2; ++nbuf) {
if ((buffer = field_buffer(field, nbuf)) != 0) {
wprintw(win, "buffer %d:", nbuf);
- wattrset(win, A_REVERSE);
- waddstr(win, buffer);
+ (void) wattrset(win, A_REVERSE);
+ if (nbuf) {
+ waddnstr(win, buffer, trimmed(buffer));
+ } else {
+ waddstr(win, buffer);
+ }
wattroff(win, A_REVERSE);
waddstr(win, "\n");
}
{
WINDOW *w;
FORM *form;
- FIELD *f[100];
+ FIELD *f[100]; /* will memset to zero */
int finished = 0, c;
unsigned n = 0;
int pg;
WINDOW *also;
+ const char *fname;
+
+#ifdef NCURSES_MOUSE_VERSION
+ mousemask(ALL_MOUSE_EVENTS, (mmask_t *) 0);
+#endif
help_edit_field();
- mvaddstr(4, 57, "Forms Entry Test");
+ MvAddStr(4, 57, "Forms Entry Test");
+ show_insert_mode(TRUE);
refresh();
/* describe the form */
- for (pg = 0; pg < 3; ++pg) {
+ 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);
- f[n++] = make_label(2, 0, "Last Name");
- f[n++] = make_field(3, 0, 1, 18);
- set_field_type(f[n - 1], TYPE_ALPHA, 1);
+ switch (pg) {
+ default:
+ 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);
+
+ 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);
+
+ 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:
+ 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);
+
+ 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);
+
+ fname = "MI";
+ f[n++] = make_label(fname, 2, 34);
+ f[n++] = make_field(fname, 3, 34, 1, 1);
+ set_field_pad(f[n - 1], '?');
+ set_field_type(f[n - 1], TYPE_ALPHA, 1);
+ break;
+ case 2:
+ 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
+ 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:
+ fname = "Four digits";
+ f[n++] = make_label(fname, 2, 0);
+ f[n++] = make_field(fname, 3, 0, 1, 18);
+ set_field_type(f[n - 1], TYPE_INTEGER, 4, 0, 0);
- f[n++] = make_label(2, 20, "First Name");
- f[n++] = make_field(3, 20, 1, 12);
- set_field_type(f[n - 1], TYPE_ALPHA, 1);
+ fname = "Numeric";
+ f[n++] = make_label(fname, 2, 20);
+ f[n++] = make_field(fname, 3, 20, 1, 12);
+ set_field_type(f[n - 1], TYPE_NUMERIC, 3, -10000.0, 100000000.0);
- f[n++] = make_label(2, 34, "Middle Name");
- f[n++] = make_field(3, 34, 1, 12);
- set_field_type(f[n - 1], TYPE_ALPHA, 1);
+ break;
+ }
- f[n++] = make_label(5, 0, "Comments");
- f[n++] = make_field(6, 0, 4, 46);
+ 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;
+ f[n] = (FIELD *) 0;
- form = new_form(f);
+ if ((form = new_form(f)) != 0) {
- display_form(form);
+ display_form(form);
- w = form_win(form);
- also = newwin(getmaxy(stdscr) - getmaxy(w), COLS, getmaxy(w), 0);
- show_current_field(also, form);
+ w = form_win(form);
+ also = newwin(getmaxy(stdscr) - getmaxy(w), COLS, getmaxy(w), 0);
+ show_current_field(also, form);
- while (!finished) {
- switch (edit_field(form, &c)) {
- case E_OK:
- break;
- case E_UNKNOWN_COMMAND:
- finished = my_form_driver(form, c);
- break;
- default:
- beep();
- break;
+ while (!finished) {
+ switch (edit_field(form, &c)) {
+ case E_OK:
+ break;
+ case E_UNKNOWN_COMMAND:
+ finished = my_form_driver(form, c);
+ break;
+ default:
+ beep();
+ break;
+ }
+ show_current_field(also, form);
}
- show_current_field(also, form);
- }
- erase_form(form);
+ erase_form(form);
- free_form(form);
- for (c = 0; f[c] != 0; c++)
+ free_form(form);
+ }
+ for (c = 0; f[c] != 0; c++) {
+ void *ptr = field_userptr(f[c]);
+ free(ptr);
free_field(f[c]);
+ }
noraw();
nl();
+
+#ifdef NCURSES_MOUSE_VERSION
+ mousemask(0, (mmask_t *) 0);
+#endif
+}
+
+static void
+usage(void)
+{
+ static const char *tbl[] =
+ {
+ "Usage: demo_forms [options] [data file]"
+ ,""
+ ," -d make fields dynamic"
+ ," -j value justify (1=left, 2=center, 3=right)"
+ ," -m value set maximum size of dynamic fields"
+ ," -o value specify number of offscreen rows in new_field()"
+ ," -t value specify text to fill fields initially"
+ };
+ unsigned int j;
+ for (j = 0; j < SIZEOF(tbl); ++j)
+ fprintf(stderr, "%s\n", tbl[j]);
+ exit(EXIT_FAILURE);
}
int
-main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
+main(int argc, char *argv[])
{
+ int ch;
+
+ setlocale(LC_ALL, "");
+
+ while ((ch = getopt(argc, argv, "dj:m:o:t:")) != -1) {
+ switch (ch) {
+ case 'd':
+ d_option = TRUE;
+ break;
+ case 'j':
+ j_value = atoi(optarg);
+ if (j_value < NO_JUSTIFICATION
+ || j_value > JUSTIFY_RIGHT)
+ usage();
+ break;
+ case 'm':
+ m_value = atoi(optarg);
+ break;
+ case 'o':
+ o_value = atoi(optarg);
+ break;
+ case 't':
+ t_value = optarg;
+ break;
+ default:
+ usage();
+
+ }
+ }
+ while (optind < argc) {
+ read_data(argv[optind++]);
+ }
+
initscr();
cbreak();
noecho();
if (has_colors()) {
start_color();
init_pair(1, COLOR_WHITE, COLOR_BLUE);
- bkgd(COLOR_PAIR(1));
+ init_pair(2, COLOR_GREEN, COLOR_BLACK);
+ init_pair(3, COLOR_CYAN, COLOR_BLACK);
+ bkgd((chtype) COLOR_PAIR(1));
refresh();
}
demo_forms();
endwin();
- return EXIT_SUCCESS;
+ ExitProgram(EXIT_SUCCESS);
}
+
#else
int
main(void)
projects / ncurses.git / blobdiff