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422 lines
8.4 KiB
C
422 lines
8.4 KiB
C
/*
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** Copyright (C) 1991, 1997 Free Software Foundation, Inc.
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**
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** This file is part of TACK.
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**
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** TACK is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2, or (at your option)
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** any later version.
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**
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** TACK is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with TACK; see the file COPYING. If not, write to
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** the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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** Boston, MA 02110-1301, USA
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*/
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#include <tack.h>
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MODULE_ID("$Id: menu.c,v 1.3 2005/09/17 19:49:16 tom Exp $")
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/*
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Menu control
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*/
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static void test_byname(struct test_menu *, int *, int *);
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struct test_list *augment_test;
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char prompt_string[80]; /* menu prompt storage */
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/*
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** menu_prompt()
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**
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** Print the menu prompt string.
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*/
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void
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menu_prompt(void)
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{
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ptext(&prompt_string[1]);
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}
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/*
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** menu_test_loop(test-structure, state, control-character)
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**
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** This function implements the repeat test function.
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*/
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static void
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menu_test_loop(
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struct test_list *test,
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int *state,
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int *ch)
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{
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int nch, p;
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if ((test->flags & MENU_REP_MASK) && (augment_test != test)) {
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/* set the augment variable (first time only) */
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p = (test->flags >> 8) & 15;
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if ((test->flags & MENU_REP_MASK) == MENU_LM1) {
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augment = lines - 1;
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} else
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if ((test->flags & MENU_ONE_MASK) == MENU_ONE) {
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augment = 1;
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} else
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if ((test->flags & MENU_LC_MASK) == MENU_lines) {
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augment = lines * p / 10;
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} else
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if ((test->flags & MENU_LC_MASK) == MENU_columns) {
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augment = columns * p / 10;
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} else {
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augment = 1;
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}
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augment_test = test;
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set_augment_txt();
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}
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do {
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if ((test->flags | *state) & MENU_CLEAR) {
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put_clear();
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} else
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if (line_count + test->lines_needed >= lines) {
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put_clear();
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}
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nch = 0;
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if (test->test_procedure) {
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/* The procedure takes precedence so I can pass
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the menu entry as an argument.
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*/
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can_test(test->caps_done, FLAG_TESTED);
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can_test(test->caps_tested, FLAG_TESTED);
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test->test_procedure(test, state, &nch);
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} else
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if (test->sub_menu) {
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/* nested menu's */
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menu_display(test->sub_menu, &nch);
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*state = 0;
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if (nch == 'q' || nch == 's') {
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/* Quit and skip are killed here */
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nch = '?';
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}
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} else {
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break; /* cya */
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}
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if (nch == '\r' || nch == '\n' || nch == 'n') {
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nch = 0;
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break;
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}
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} while (nch == 'r');
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*ch = nch;
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}
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/*
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** menu_display(menu-structure, flags)
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**
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** This function implements menu control.
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*/
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void
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menu_display(
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struct test_menu *menu,
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int *last_ch)
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{
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int test_state = 0, run_standard_tests;
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int hot_topic, ch = 0, nch = 0;
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struct test_list *mt;
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struct test_list *repeat_tests = 0;
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int repeat_state = 0;
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int prompt_length;
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prompt_length = strlen(prompt_string);
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if (menu->ident) {
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sprintf(&prompt_string[prompt_length], "/%s", menu->ident);
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}
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hot_topic = menu->default_action;
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run_standard_tests = menu->standard_tests ?
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menu->standard_tests[0] : -1;
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if (!last_ch) {
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last_ch = &ch;
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}
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while (1) {
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if (ch == 0) {
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/* Display the menu */
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put_crlf();
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if (menu->menu_function) {
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/*
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this function may be used to restrict menu
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entries. If used it must print the title.
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*/
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menu->menu_function(menu);
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} else
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if (menu->menu_title) {
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ptextln(menu->menu_title);
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}
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for (mt = menu->tests; (mt->flags & MENU_LAST) == 0; mt++) {
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if (mt->menu_entry) {
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ptext(" ");
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ptextln(mt->menu_entry);
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}
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}
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if (menu->standard_tests) {
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ptext(" ");
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ptextln(menu->standard_tests);
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ptextln(" r) repeat test");
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ptextln(" s) skip to next test");
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}
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ptextln(" q) quit");
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ptextln(" ?) help");
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}
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if (ch == 0 || ch == REQUEST_PROMPT) {
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put_crlf();
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ptext(&prompt_string[1]);
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if (hot_topic) {
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ptext(" [");
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putchp(hot_topic);
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ptext("]");
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}
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ptext(" > ");
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/* read a character */
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ch = wait_here();
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}
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if (ch == '\r' || ch == '\n') {
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ch = hot_topic;
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}
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if (ch == 'q') {
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break;
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}
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if (ch == '?') {
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ch = 0;
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continue;
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}
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nch = ch;
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ch = 0;
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/* Run one of the standard tests (by request) */
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for (mt = menu->tests; (mt->flags & MENU_LAST) == 0; mt++) {
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if (mt->menu_entry && (nch == mt->menu_entry[0])) {
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if (mt->flags & MENU_MENU) {
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test_byname(menu, &test_state, &nch);
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} else {
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menu_test_loop(mt, &test_state, &nch);
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}
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ch = nch;
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if ((mt->flags & MENU_COMPLETE) && ch == 0) {
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/* top level */
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hot_topic = 'q';
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ch = '?';
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}
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}
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}
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if (menu->standard_tests && nch == 'r') {
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menu->resume_tests = repeat_tests;
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test_state = repeat_state;
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nch = run_standard_tests;
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}
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if (nch == run_standard_tests) {
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if (!(mt = menu->resume_tests)) {
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mt = menu->tests;
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}
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if (mt->flags & MENU_LAST) {
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mt = menu->tests;
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}
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/* Run the standard test suite */
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for ( ; (mt->flags & MENU_LAST) == 0; ) {
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if ((mt->flags & MENU_NEXT) == MENU_NEXT) {
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repeat_tests = mt;
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repeat_state = test_state;
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nch = run_standard_tests;
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menu_test_loop(mt, &test_state, &nch);
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if (nch != 0 && nch != 'n') {
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ch = nch;
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break;
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}
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if (test_state & MENU_STOP) {
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break;
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}
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}
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mt++;
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}
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if (ch == 0) {
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ch = hot_topic;
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}
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menu->resume_tests = mt;
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menu->resume_state = test_state;
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menu->resume_char = ch;
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if (ch == run_standard_tests) {
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/* pop up a level */
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break;
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}
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}
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}
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*last_ch = ch;
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prompt_string[prompt_length] = '\0';
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}
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/*
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** generic_done_message(test_list)
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**
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** Print the Done message and request input.
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*/
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void
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generic_done_message(
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struct test_list *test,
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int *state,
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int *ch)
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{
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char done_message[128];
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if (test->caps_done) {
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sprintf(done_message, "(%s) Done ", test->caps_done);
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ptext(done_message);
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} else {
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ptext("Done ");
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}
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*ch = wait_here();
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if (*ch == '\r' || *ch == '\n' || *ch == 'n') {
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*ch = 0;
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}
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if (*ch == 's') {
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*state |= MENU_STOP;
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*ch = 0;
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}
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}
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/*
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** menu_clear_screen(test, state, ch)
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**
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** Just clear the screen.
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*/
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void
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menu_clear_screen(
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struct test_list *test GCC_UNUSED,
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int *state GCC_UNUSED,
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int *ch GCC_UNUSED)
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{
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put_clear();
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}
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/*
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** menu_reset_init(test, state, ch)
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**
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** Send the reset and init strings.
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*/
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void
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menu_reset_init(
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struct test_list *test GCC_UNUSED,
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int *state GCC_UNUSED,
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int *ch GCC_UNUSED)
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{
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reset_init();
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put_crlf();
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}
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/*
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** subtest_menu(test, state, ch)
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**
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** Scan the menu looking for something to execute
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** Return TRUE if we found anything.
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*/
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int
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subtest_menu(
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struct test_list *test,
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int *state,
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int *ch)
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{
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struct test_list *mt;
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if (*ch) {
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for (mt = test; (mt->flags & MENU_LAST) == 0; mt++) {
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if (mt->menu_entry && (*ch == mt->menu_entry[0])) {
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*ch = 0;
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menu_test_loop(mt, state, ch);
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return TRUE;
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}
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}
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}
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return FALSE;
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}
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/*
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** menu_can_scan(menu-structure)
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**
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** Recursively scan the menu tree and find which cap names can be tested.
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*/
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void
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menu_can_scan(
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const struct test_menu *menu)
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{
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struct test_list *mt;
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for (mt = menu->tests; (mt->flags & MENU_LAST) == 0; mt++) {
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can_test(mt->caps_done, FLAG_CAN_TEST);
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can_test(mt->caps_tested, FLAG_CAN_TEST);
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if (!(mt->test_procedure)) {
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if (mt->sub_menu) {
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menu_can_scan(mt->sub_menu);
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}
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}
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}
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}
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/*
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** menu_search(menu-structure, cap)
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**
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** Recursively search the menu tree and execute any tests that use cap.
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*/
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static void
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menu_search(
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struct test_menu *menu,
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int *state,
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int *ch,
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char *cap)
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{
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struct test_list *mt;
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int nch;
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for (mt = menu->tests; (mt->flags & MENU_LAST) == 0; mt++) {
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nch = 0;
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if (cap_match(mt->caps_done, cap)
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|| cap_match(mt->caps_tested, cap)) {
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menu_test_loop(mt, state, &nch);
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}
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if (!(mt->test_procedure)) {
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if (mt->sub_menu) {
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menu_search(mt->sub_menu, state, &nch, cap);
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}
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}
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if (*state & MENU_STOP) {
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break;
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}
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if (nch != 0 && nch != 'n') {
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*ch = nch;
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break;
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}
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}
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}
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/*
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** test_byname(menu, state, ch)
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**
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** Get a cap name then run all tests that use that cap.
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*/
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static void
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test_byname(
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struct test_menu *menu,
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int *state GCC_UNUSED,
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int *ch)
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{
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int test_state = 0;
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char cap[32];
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if (tty_can_sync == SYNC_NOT_TESTED) {
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verify_time();
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}
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ptext("enter name: ");
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read_string(cap, sizeof(cap));
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if (cap[0]) {
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menu_search(menu, &test_state, ch, cap);
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}
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*ch = '?';
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}
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