1 /****************************************************************************
2 * Copyright 2020,2022 Thomas E. Dickey *
3 * Copyright 2013-2014,2017 Free Software Foundation, Inc. *
4 * *
5 * Permission is hereby granted, free of charge, to any person obtaining a *
6 * copy of this software and associated documentation files (the *
7 * "Software"), to deal in the Software without restriction, including *
8 * without limitation the rights to use, copy, modify, merge, publish, *
9 * distribute, distribute with modifications, sublicense, and/or sell *
10 * copies of the Software, and to permit persons to whom the Software is *
11 * furnished to do so, subject to the following conditions: *
12 * *
13 * The above copyright notice and this permission notice shall be included *
14 * in all copies or substantial portions of the Software. *
15 * *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * *
24 * Except as contained in this notice, the name(s) of the above copyright *
25 * holders shall not be used in advertising or otherwise to promote the *
26 * sale, use or other dealings in this Software without prior written *
27 * authorization. *
28 ****************************************************************************/
29
30 /****************************************************************************
31 * Author: Gaute Hope, 2013 *
32 ****************************************************************************/
33
34 /*
35 * $Id: form_driver_w.c,v 1.17 2022/12/10 23:31:31 tom Exp $
36 *
37 * Test form_driver_w (int, int, wchar_t), a wide char aware
38 * replacement of form_driver.
39 */
40
41 #include <test.priv.h>
42 #include <popup_msg.h>
43
44 #if USE_WIDEC_SUPPORT && USE_LIBFORM && (defined(NCURSES_VERSION_PATCH) && NCURSES_VERSION_PATCH >= 20131207)
45
46 #include <form.h>
47
48 static void
usage(int ok)49 usage(int ok)
50 {
51 static const char *msg[] =
52 {
53 "Usage: form_driver_w [options]"
54 ,""
55 ,USAGE_COMMON
56 };
57 size_t n;
58
59 for (n = 0; n < SIZEOF(msg); n++)
60 fprintf(stderr, "%s\n", msg[n]);
61
62 ExitProgram(ok ? EXIT_SUCCESS : EXIT_FAILURE);
63 }
64 /* *INDENT-OFF* */
VERSION_COMMON()65 VERSION_COMMON()
66 /* *INDENT-ON* */
67
68 int
69 main(int argc, char *argv[])
70 {
71 static const char *help[] =
72 {
73 "Commands:",
74 " ^D,^Q,ESC - quit program",
75 " <Tab>,<Down> - move to next field",
76 " <BackTab>,<Up> - move to previous field",
77 0
78 };
79
80 #define NUM_FIELDS 3
81 #define MyRow(n) (4 + (n) * 2)
82 #define MyCol(n) 10
83 FIELD *field[NUM_FIELDS + 1];
84 FORM *my_form;
85 bool done = FALSE;
86 int n;
87 int ch;
88
89 while ((ch = getopt(argc, argv, OPTS_COMMON)) != -1) {
90 switch (ch) {
91 case OPTS_VERSION:
92 show_version(argv);
93 ExitProgram(EXIT_SUCCESS);
94 default:
95 usage(ch == OPTS_USAGE);
96 /* NOTREACHED */
97 }
98 }
99 if (optind < argc)
100 usage(FALSE);
101
102 setlocale(LC_ALL, "");
103
104 /* Initialize curses */
105 initscr();
106 cbreak();
107 noecho();
108 keypad(stdscr, TRUE);
109
110 /* Initialize the fields */
111 for (n = 0; n < NUM_FIELDS; ++n) {
112 field[n] = new_field(1, 10, MyRow(n), 18, 0, 0);
113 set_field_back(field[n], A_UNDERLINE);
114 /* Print a line for the option */
115 field_opts_off(field[n], O_AUTOSKIP);
116 /* Don't go to next field when this is filled */
117 }
118 field[n] = NULL;
119
120 /* Create the form and post it */
121 my_form = new_form(field);
122 post_form(my_form);
123 refresh();
124
125 for (n = 0; n < NUM_FIELDS; ++n) {
126 mvprintw(MyRow(n), MyCol(n), "Value %d:", n + 1);
127 }
128
129 /* Loop through to get user requests */
130 while (!done) {
131 wint_t c2;
132 int ret = get_wch(&c2);
133
134 mvprintw(MyRow(NUM_FIELDS),
135 MyCol(NUM_FIELDS),
136 "Got %d (%#x), type: %s",
137 (int) c2,
138 (int) c2,
139 (ret == KEY_CODE_YES)
140 ? "KEY_CODE_YES"
141 : ((ret == OK)
142 ? "OK"
143 : ((ret == ERR)
144 ? "ERR"
145 : "?")));
146 clrtoeol();
147
148 switch (ret) {
149 case KEY_CODE_YES:
150 switch (c2) {
151 case KEY_DOWN:
152 /* Go to next field */
153 form_driver_w(my_form, KEY_CODE_YES, REQ_NEXT_FIELD);
154 /* Go to the end of the present buffer */
155 /* Leaves nicely at the last character */
156 form_driver_w(my_form, KEY_CODE_YES, REQ_END_LINE);
157 break;
158 case KEY_BTAB:
159 case KEY_UP:
160 /* Go to previous field */
161 form_driver_w(my_form, KEY_CODE_YES, REQ_PREV_FIELD);
162 form_driver_w(my_form, KEY_CODE_YES, REQ_END_LINE);
163 break;
164 default:
165 break;
166 }
167 break;
168 case OK:
169 switch (c2) {
170 case CTRL('D'):
171 case QUIT:
172 case ESCAPE:
173 done = TRUE;
174 break;
175 case '\t':
176 form_driver_w(my_form, KEY_CODE_YES, REQ_NEXT_FIELD);
177 form_driver_w(my_form, KEY_CODE_YES, REQ_END_LINE);
178 break;
179 case HELP_KEY_1:
180 popup_msg(form_win(my_form), help);
181 break;
182 default:
183 form_driver_w(my_form, OK, (wchar_t) c2);
184 break;
185 }
186 break;
187 }
188 }
189
190 /* Un post form and free the memory */
191 unpost_form(my_form);
192 free_form(my_form);
193 for (n = 0; n < NUM_FIELDS; ++n) {
194 free_field(field[n]);
195 }
196
197 endwin();
198 ExitProgram(EXIT_SUCCESS);
199 }
200
201 #else
202 int
main(void)203 main(void)
204 {
205 printf("This program requires the wide-ncurses and forms library\n");
206 ExitProgram(EXIT_FAILURE);
207 }
208 #endif /* USE_WIDEC_SUPPORT */
209