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https://github.com/Aigor44/ncursesw-morphos.git
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509 lines
12 KiB
C
509 lines
12 KiB
C
/****************************************************************************
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* Copyright (c) 2003-2005,2006 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/*
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* $Id: demo_forms.c,v 1.22 2006/12/10 00:30:24 tom Exp $
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*
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* Demonstrate a variety of functions from the form library.
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* Thomas Dickey - 2003/4/26
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*/
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/*
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TYPE_ENUM -
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TYPE_REGEXP -
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dup_field -
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field_arg -
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field_back -
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field_count -
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field_fore -
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field_init -
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field_just -
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field_pad -
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field_term -
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field_type -
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form_init -
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form_opts -
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form_opts_off -
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form_opts_on -
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form_page -
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form_request_by_name -
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form_term -
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form_userptr -
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free_fieldtype -
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link_field -
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link_fieldtype -
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move_field -
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new_page -
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pos_form_cursor -
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set_field_init -
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set_field_pad -
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set_field_term -
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set_fieldtype_arg -
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set_fieldtype_choice -
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set_form_fields -
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set_form_init -
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set_form_opts -
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set_form_page -
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set_form_term -
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set_form_userptr -
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set_max_field -
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*/
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#include <test.priv.h>
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#if USE_LIBFORM
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#include <edit_field.h>
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static int d_option = 0;
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static int j_value = 0;
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static int m_value = 0;
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static int o_value = 0;
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static char *t_value = 0;
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static FIELD *
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make_label(int frow, int fcol, NCURSES_CONST char *label)
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{
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FIELD *f = new_field(1, (int) strlen(label), frow, fcol, 0, 0);
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if (f) {
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set_field_buffer(f, 0, label);
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set_field_opts(f, (int) (field_opts(f) & ~O_ACTIVE));
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}
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return (f);
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}
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/*
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* Define each field with an extra one, for reflecting "actual" text.
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*/
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static FIELD *
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make_field(int frow, int fcol, int rows, int cols)
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{
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FIELD *f = new_field(rows, cols, frow, fcol, o_value, 1);
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if (f) {
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set_field_back(f, A_UNDERLINE);
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/*
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* If -j and -d options are combined, -j loses. It is documented in
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* "Character User Interface Programming", page 12-15 that setting
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* O_STATIC off makes the form library ignore justification.
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*/
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set_field_just(f, j_value);
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set_field_userptr(f, (void *) 0);
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if (d_option) {
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if (has_colors()) {
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set_field_fore(f, COLOR_PAIR(2));
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} else {
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set_field_fore(f, A_BOLD);
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}
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/*
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* The field_opts_off() call dumps core with Solaris curses,
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* but that is a known bug in Solaris' form library -TD
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*/
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field_opts_off(f, O_STATIC);
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set_max_field(f, m_value);
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}
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if (t_value)
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set_field_buffer(f, 0, t_value);
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}
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return (f);
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}
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static void
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display_form(FORM * f)
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{
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WINDOW *w;
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int rows, cols;
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scale_form(f, &rows, &cols);
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/*
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* Put the form at the upper-left corner of the display, with just a box
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* around it.
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*/
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if ((w = newwin(rows + 2, cols + 4, 0, 0)) != (WINDOW *) 0) {
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set_form_win(f, w);
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set_form_sub(f, derwin(w, rows, cols, 1, 2));
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box(w, 0, 0);
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keypad(w, TRUE);
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}
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if (post_form(f) != E_OK)
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wrefresh(w);
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}
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static void
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erase_form(FORM * f)
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{
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WINDOW *w = form_win(f);
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WINDOW *s = form_sub(f);
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unpost_form(f);
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werase(w);
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wrefresh(w);
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delwin(s);
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delwin(w);
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}
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static void
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show_insert_mode(bool insert_mode)
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{
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mvaddstr(5, 57, (insert_mode
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? "form_status: insert "
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: "form_status: overlay"));
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}
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#define O_SELECTABLE (O_ACTIVE | O_VISIBLE)
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static FIELD *
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another_field(FORM * form, FIELD * field)
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{
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FIELD **f = form_fields(form);
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FIELD *result = 0;
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int n;
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for (n = 0; f[n] != 0; ++n) {
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if (f[n] != field) {
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result = f[n];
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field_opts_on(result, O_SELECTABLE);
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break;
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}
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}
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return result;
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}
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static int
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my_form_driver(FORM * form, int c)
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{
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static bool insert_mode = TRUE;
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FIELD *field;
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switch (c) {
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case MY_QUIT:
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if (form_driver(form, REQ_VALIDATION) == E_OK)
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return (TRUE);
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break;
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case MY_HELP:
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help_edit_field();
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break;
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case MY_EDT_MODE:
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if ((field = current_field(form)) != 0) {
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set_current_field(form, another_field(form, field));
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if (field_opts(field) & O_EDIT) {
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field_opts_off(field, O_EDIT);
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set_field_status(field, 0);
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} else {
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field_opts_on(field, O_EDIT);
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}
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set_current_field(form, field);
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}
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break;
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case MY_INS_MODE:
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/* there should be a form_status() function, but there is none */
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if (!insert_mode) {
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if (form_driver(form, REQ_INS_MODE) == E_OK) {
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insert_mode = TRUE;
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}
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} else {
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if (form_driver(form, REQ_OVL_MODE) == E_OK) {
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insert_mode = FALSE;
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}
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}
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show_insert_mode(insert_mode);
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refresh();
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break;
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default:
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beep();
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break;
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}
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return (FALSE);
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}
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static void
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show_current_field(WINDOW *win, FORM * form)
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{
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FIELD *field;
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FIELDTYPE *type;
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char *buffer;
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int nbuf;
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int field_rows, field_cols, field_max;
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if (has_colors()) {
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wbkgd(win, COLOR_PAIR(1));
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}
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werase(win);
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wprintw(win, "Cursor: %d,%d", form->currow, form->curcol);
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if (data_ahead(form))
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waddstr(win, " ahead");
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if (data_behind(form))
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waddstr(win, " behind");
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waddch(win, '\n');
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if ((field = current_field(form)) != 0) {
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wprintw(win, "Field %d:", field_index(field));
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if ((type = field_type(field)) != 0) {
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if (type == TYPE_ALNUM)
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waddstr(win, "ALNUM");
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else if (type == TYPE_ALPHA)
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waddstr(win, "ALPHA");
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else if (type == TYPE_ENUM)
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waddstr(win, "ENUM");
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else if (type == TYPE_INTEGER)
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waddstr(win, "INTEGER");
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#ifdef NCURSES_VERSION
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else if (type == TYPE_IPV4)
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waddstr(win, "IPV4");
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#endif
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else if (type == TYPE_NUMERIC)
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waddstr(win, "NUMERIC");
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else if (type == TYPE_REGEXP)
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waddstr(win, "REGEXP");
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else
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waddstr(win, "other");
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}
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if (field_opts(field) & O_EDIT)
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waddstr(win, " editable");
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else
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waddstr(win, " readonly");
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if (field_status(field))
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waddstr(win, " modified");
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if (dynamic_field_info(field, &field_rows, &field_cols, &field_max)
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!= ERR) {
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wprintw(win, " size %dx%d (max %d)",
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field_rows, field_cols, field_max);
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}
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waddstr(win, "\n");
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for (nbuf = 0; nbuf <= 2; ++nbuf) {
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if ((buffer = field_buffer(field, nbuf)) != 0) {
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wprintw(win, "buffer %d:", nbuf);
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wattrset(win, A_REVERSE);
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waddstr(win, buffer);
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wattroff(win, A_REVERSE);
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waddstr(win, "\n");
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}
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}
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}
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wrefresh(win);
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}
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static void
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demo_forms(void)
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{
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WINDOW *w;
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FORM *form;
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FIELD *f[100];
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int finished = 0, c;
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unsigned n = 0;
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int pg;
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WINDOW *also;
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help_edit_field();
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mvaddstr(4, 57, "Forms Entry Test");
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show_insert_mode(TRUE);
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refresh();
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/* describe the form */
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for (pg = 0; pg < 4; ++pg) {
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char label[80];
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sprintf(label, "Sample Form Page %d", pg + 1);
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f[n++] = make_label(0, 15, label);
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set_new_page(f[n - 1], TRUE);
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switch (pg) {
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default:
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f[n++] = make_label(2, 0, "Last Name");
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f[n++] = make_field(3, 0, 1, 18);
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set_field_type(f[n - 1], TYPE_ALPHA, 1);
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f[n++] = make_label(2, 20, "First Name");
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f[n++] = make_field(3, 20, 1, 12);
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set_field_type(f[n - 1], TYPE_ALPHA, 1);
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f[n++] = make_label(2, 34, "Middle Name");
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f[n++] = make_field(3, 34, 1, 12);
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set_field_type(f[n - 1], TYPE_ALPHA, 1);
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break;
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case 1:
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f[n++] = make_label(2, 0, "Last Name");
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f[n++] = make_field(3, 0, 1, 18);
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set_field_type(f[n - 1], TYPE_ALPHA, 1);
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f[n++] = make_label(2, 20, "First Name");
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f[n++] = make_field(3, 20, 1, 12);
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set_field_type(f[n - 1], TYPE_ALPHA, 1);
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f[n++] = make_label(2, 34, "MI");
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f[n++] = make_field(3, 34, 1, 1);
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set_field_type(f[n - 1], TYPE_ALPHA, 1);
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break;
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case 2:
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f[n++] = make_label(2, 0, "Host Name");
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f[n++] = make_field(3, 0, 1, 18);
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set_field_type(f[n - 1], TYPE_ALNUM, 1);
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#ifdef NCURSES_VERSION
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f[n++] = make_label(2, 20, "IP Address");
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f[n++] = make_field(3, 20, 1, 12);
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set_field_type(f[n - 1], TYPE_IPV4, 1);
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#endif
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break;
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case 3:
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f[n++] = make_label(2, 0, "Four digits");
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f[n++] = make_field(3, 0, 1, 18);
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set_field_type(f[n - 1], TYPE_INTEGER, 4, 0, 0);
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f[n++] = make_label(2, 20, "Numeric");
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f[n++] = make_field(3, 20, 1, 12);
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set_field_type(f[n - 1], TYPE_NUMERIC, 3, -10000.0, 100000000.0);
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break;
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}
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f[n++] = make_label(5, 0, "Comments");
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f[n++] = make_field(6, 0, 4, 46);
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}
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f[n++] = (FIELD *) 0;
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form = new_form(f);
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display_form(form);
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w = form_win(form);
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also = newwin(getmaxy(stdscr) - getmaxy(w), COLS, getmaxy(w), 0);
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show_current_field(also, form);
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while (!finished) {
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switch (edit_field(form, &c)) {
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case E_OK:
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break;
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case E_UNKNOWN_COMMAND:
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finished = my_form_driver(form, c);
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break;
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default:
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beep();
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break;
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}
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show_current_field(also, form);
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}
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erase_form(form);
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free_form(form);
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for (c = 0; f[c] != 0; c++)
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free_field(f[c]);
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noraw();
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nl();
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}
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static void
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usage(void)
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{
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static const char *tbl[] =
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{
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"Usage: demo_forms [options]"
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,""
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," -d make fields dynamic"
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," -j value justify (1=left, 2=center, 3=right)"
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," -m value set maximum size of dynamic fields"
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," -o value specify number of offscreen rows in new_field()"
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," -t value specify text to fill fields initially"
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};
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unsigned int j;
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for (j = 0; j < SIZEOF(tbl); ++j)
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fprintf(stderr, "%s\n", tbl[j]);
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exit(EXIT_FAILURE);
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}
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int
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main(int argc, char *argv[])
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{
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int ch;
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setlocale(LC_ALL, "");
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while ((ch = getopt(argc, argv, "dj:m:o:t:")) != EOF) {
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switch (ch) {
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case 'd':
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d_option = TRUE;
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break;
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case 'j':
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j_value = atoi(optarg);
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if (j_value < NO_JUSTIFICATION
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|| j_value > JUSTIFY_RIGHT)
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usage();
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break;
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case 'm':
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m_value = atoi(optarg);
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break;
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case 'o':
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o_value = atoi(optarg);
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break;
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case 't':
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t_value = optarg;
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break;
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default:
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usage();
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}
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}
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initscr();
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cbreak();
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noecho();
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raw();
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nonl(); /* lets us read ^M's */
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intrflush(stdscr, FALSE);
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keypad(stdscr, TRUE);
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if (has_colors()) {
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start_color();
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init_pair(1, COLOR_WHITE, COLOR_BLUE);
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init_pair(2, COLOR_GREEN, COLOR_BLACK);
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bkgd(COLOR_PAIR(1));
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refresh();
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}
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demo_forms();
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endwin();
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ExitProgram(EXIT_SUCCESS);
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}
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#else
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int
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main(void)
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{
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printf("This program requires the curses form library\n");
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ExitProgram(EXIT_FAILURE);
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}
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#endif
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