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29 * $Id: test_getstr.c,v 1.8 2008/02/09 18:09:35 tom Exp $
31 * Author: Thomas E Dickey
33 * Demonstrate the getstr functions from the curses library.
35 int getstr(char *str);
36 int getnstr(char *str, int n);
37 int wgetstr(WINDOW *win, char *str);
38 int wgetnstr(WINDOW *win, char *str, int n);
39 int mvgetstr(int y, int x, char *str);
40 int mvwgetstr(WINDOW *win, int y, int x, char *str);
41 int mvgetnstr(int y, int x, char *str, int n);
42 int mvwgetnstr(WINDOW *, int y, int x, char *str, int n);
45 #include <test.priv.h>
48 /* Solaris SVr4 curses lacks wchgat, mvgetnstr, mvwgetnstr */
64 return (ch == ERR || ch == 'q' || ch == QUIT || ch == ESCAPE);
68 Remainder(WINDOW *txtwin)
70 int result = getmaxx(txtwin) - getcurx(txtwin);
71 return (result > 0) ? result : 0;
75 * Show a highlighted line in the place where input will happen.
78 ShowPrompt(WINDOW *txtwin, int limit)
80 wchgat(txtwin, limit, A_REVERSE, 0, NULL);
85 MovePrompt(WINDOW *txtwin, int limit, int y, int x)
87 wchgat(txtwin, Remainder(txtwin), A_NORMAL, 0, NULL);
89 ShowPrompt(txtwin, limit);
93 ShowFlavor(WINDOW *strwin, WINDOW *txtwin, int flavor, int limit)
95 const char *name = "?";
97 bool wins = (txtwin != stdscr);
102 name = wins ? "wgetstr" : "getstr";
106 name = wins ? "wgetnstr" : "getnstr";
109 name = wins ? "mvwgetstr" : "mvgetstr";
113 name = wins ? "mvwgetnstr" : "mvgetnstr";
123 wprintw(strwin, "%s(%d):", name, limit);
125 wprintw(strwin, "%s:", name);
127 result = limited ? limit : Remainder(txtwin);
128 ShowPrompt(txtwin, result);
130 wnoutrefresh(strwin);
135 test_getstr(int level, char **argv, WINDOW *strwin)
142 int txt_x = 0, txt_y = 0;
145 int limit = getmaxx(strwin) - 5;
148 char buffer[MAX_COLS];
150 if (argv[level] == 0) {
156 txtbox = newwin(LINES - BASE_Y, COLS - level, BASE_Y, level);
158 wnoutrefresh(txtbox);
160 txtwin = derwin(txtbox,
170 keypad(txtwin, TRUE); /* enable keyboard mapping */
171 (void) cbreak(); /* take input chars one at a time, no wait for \n */
172 (void) noecho(); /* don't echo input */
176 wmove(txtwin, txt_y, txt_x);
178 if ((fp = fopen(argv[level], "r")) != 0) {
179 while ((ch = fgetc(fp)) != EOF) {
180 if (waddch(txtwin, UChar(ch)) != OK) {
186 wprintw(txtwin, "Cannot open:\n%s", argv[1]);
189 wmove(txtwin, txt_y, txt_x);
190 actual = ShowFlavor(strwin, txtwin, flavor, limit);
191 while (!Quit(ch = mvwgetch(txtwin, txt_y, txt_x))) {
195 if (txt_y < getmaxy(txtwin) - 1) {
196 MovePrompt(txtwin, actual, ++txt_y, txt_x);
203 if (txt_y > base_y) {
204 MovePrompt(txtwin, actual, --txt_y, txt_x);
212 MovePrompt(txtwin, actual, txt_y, --txt_x);
219 if (txt_x < getmaxx(txtwin) - 1) {
220 MovePrompt(txtwin, actual, txt_y, ++txt_x);
227 test_getstr(level + 1, argv, strwin);
230 wnoutrefresh(txtbox);
233 wnoutrefresh(txtwin);
239 actual = ShowFlavor(strwin, txtwin, flavor, --limit);
240 MovePrompt(txtwin, actual, txt_y, txt_x);
247 actual = ShowFlavor(strwin, txtwin, flavor, ++limit);
248 MovePrompt(txtwin, actual, txt_y, txt_x);
253 actual = ShowFlavor(strwin, txtwin, --flavor, limit);
254 MovePrompt(txtwin, actual, txt_y, txt_x);
261 if (flavor + 1 < eMaxFlavor) {
262 actual = ShowFlavor(strwin, txtwin, ++flavor, limit);
263 MovePrompt(txtwin, actual, txt_y, txt_x);
270 actual = ShowFlavor(strwin, txtwin, flavor, limit);
274 wattrset(txtwin, A_REVERSE);
277 if (txtwin != stdscr) {
278 wmove(txtwin, txt_y, txt_x);
279 rc = wgetstr(txtwin, buffer);
286 if (txtwin != stdscr) {
287 wmove(txtwin, txt_y, txt_x);
288 rc = wgetnstr(txtwin, buffer, limit);
291 rc = getnstr(buffer, limit);
295 if (txtwin != stdscr) {
296 rc = mvwgetstr(txtwin, txt_y, txt_x, buffer);
298 rc = mvgetstr(txt_y, txt_x, buffer);
302 if (txtwin != stdscr) {
303 rc = mvwgetnstr(txtwin, txt_y, txt_x, buffer, limit);
305 rc = mvgetnstr(txt_y, txt_x, buffer, limit);
312 wattrset(txtwin, A_NORMAL);
313 wprintw(strwin, "%d:%s", rc, buffer);
314 wnoutrefresh(strwin);
330 main(int argc, char *argv[])
335 setlocale(LC_ALL, "");
338 fprintf(stderr, "usage: %s file\n", argv[0]);
344 chrbox = derwin(stdscr, BASE_Y, COLS, 0, 0);
346 wnoutrefresh(chrbox);
348 strwin = derwin(chrbox, 4, COLS - 2, 1, 1);
350 test_getstr(1, argv, strwin);
353 ExitProgram(EXIT_SUCCESS);
360 printf("This program requires the curses chgat function\n");
361 ExitProgram(EXIT_FAILURE);