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29 * $Id: test_get_wstr.c,v 1.6 2009/08/29 19:02:25 tom Exp $
31 * Author: Thomas E Dickey
33 * Demonstrate the get_wstr functions from the curses library.
35 int get_wstr(wint_t *wstr);
36 int getn_wstr(wint_t *wstr, int n);
37 int wget_wstr(WINDOW *win, wint_t *wstr);
38 int wgetn_wstr(WINDOW *win, wint_t *wstr, int n);
39 int mvget_wstr(int y, int x, wint_t *wstr);
40 int mvgetn_wstr(int y, int x, wint_t *wstr, int n);
41 int mvwget_wstr(WINDOW *win, int y, int x, wint_t *wstr);
42 int mvwgetn_wstr(WINDOW *win, int y, int x, wint_t *wstr, int n);
45 #include <test.priv.h>
63 return (ch == ERR || ch == 'q' || ch == QUIT || ch == ESCAPE);
67 Remainder(WINDOW *txtwin)
69 int result = getmaxx(txtwin) - getcurx(txtwin);
70 return (result > 0) ? result : 0;
74 * Show a highlighted line in the place where input will happen.
77 ShowPrompt(WINDOW *txtwin, int limit)
79 wchgat(txtwin, limit, A_REVERSE, 0, NULL);
84 MovePrompt(WINDOW *txtwin, int limit, int y, int x)
86 wchgat(txtwin, Remainder(txtwin), A_NORMAL, 0, NULL);
88 ShowPrompt(txtwin, limit);
92 ShowFlavor(WINDOW *strwin, WINDOW *txtwin, int flavor, int limit)
94 const char *name = "?";
96 bool wins = (txtwin != stdscr);
101 name = wins ? "wget_wstr" : "get_wstr";
105 name = wins ? "wgetn_wstr" : "getn_wstr";
108 name = wins ? "mvwget_wstr" : "mvget_wstr";
112 name = wins ? "mvwgetn_wstr" : "mvgetn_wstr";
122 wprintw(strwin, "%s(%d):", name, limit);
124 wprintw(strwin, "%s:", name);
126 result = limited ? limit : Remainder(txtwin);
127 ShowPrompt(txtwin, result);
129 wnoutrefresh(strwin);
134 test_get_wstr(int level, char **argv, WINDOW *strwin)
141 int txt_x = 0, txt_y = 0;
144 int limit = getmaxx(strwin) - 5;
146 wint_t buffer[MAX_COLS];
148 if (argv[level] == 0) {
154 txtbox = newwin(LINES - BASE_Y, COLS - level, BASE_Y, level);
156 wnoutrefresh(txtbox);
158 txtwin = derwin(txtbox,
168 keypad(txtwin, TRUE); /* enable keyboard mapping */
169 (void) cbreak(); /* take input chars one at a time, no wait for \n */
170 (void) noecho(); /* don't echo input */
174 wmove(txtwin, txt_y, txt_x);
176 if ((fp = fopen(argv[level], "r")) != 0) {
177 while ((ch = fgetc(fp)) != EOF) {
178 if (waddch(txtwin, UChar(ch)) != OK) {
184 wprintw(txtwin, "Cannot open:\n%s", argv[1]);
187 wmove(txtwin, txt_y, txt_x);
188 actual = ShowFlavor(strwin, txtwin, flavor, limit);
189 while (!Quit(ch = mvwgetch(txtwin, txt_y, txt_x))) {
193 if (txt_y < getmaxy(txtwin) - 1) {
194 MovePrompt(txtwin, actual, ++txt_y, txt_x);
201 if (txt_y > base_y) {
202 MovePrompt(txtwin, actual, --txt_y, txt_x);
210 MovePrompt(txtwin, actual, txt_y, --txt_x);
217 if (txt_x < getmaxx(txtwin) - 1) {
218 MovePrompt(txtwin, actual, txt_y, ++txt_x);
225 test_get_wstr(level + 1, argv, strwin);
228 wnoutrefresh(txtbox);
231 wnoutrefresh(txtwin);
237 actual = ShowFlavor(strwin, txtwin, flavor, --limit);
238 MovePrompt(txtwin, actual, txt_y, txt_x);
245 actual = ShowFlavor(strwin, txtwin, flavor, ++limit);
246 MovePrompt(txtwin, actual, txt_y, txt_x);
251 actual = ShowFlavor(strwin, txtwin, --flavor, limit);
252 MovePrompt(txtwin, actual, txt_y, txt_x);
259 if (flavor + 1 < eMaxFlavor) {
260 actual = ShowFlavor(strwin, txtwin, ++flavor, limit);
261 MovePrompt(txtwin, actual, txt_y, txt_x);
268 actual = ShowFlavor(strwin, txtwin, flavor, limit);
272 (void) wattrset(txtwin, A_REVERSE);
275 if (txtwin != stdscr) {
276 wmove(txtwin, txt_y, txt_x);
277 rc = wget_wstr(txtwin, buffer);
280 rc = get_wstr(buffer);
284 if (txtwin != stdscr) {
285 wmove(txtwin, txt_y, txt_x);
286 rc = wgetn_wstr(txtwin, buffer, limit);
289 rc = getn_wstr(buffer, limit);
293 if (txtwin != stdscr) {
294 rc = mvwget_wstr(txtwin, txt_y, txt_x, buffer);
296 rc = mvget_wstr(txt_y, txt_x, buffer);
300 if (txtwin != stdscr) {
301 rc = mvwgetn_wstr(txtwin, txt_y, txt_x, buffer, limit);
303 rc = mvgetn_wstr(txt_y, txt_x, buffer, limit);
310 (void) wattrset(txtwin, A_NORMAL);
311 wprintw(strwin, "%d", rc);
312 (void) waddwstr(strwin, (wchar_t *) buffer);
313 wnoutrefresh(strwin);
329 main(int argc, char *argv[])
334 setlocale(LC_ALL, "");
337 fprintf(stderr, "usage: %s file\n", argv[0]);
343 chrbox = derwin(stdscr, BASE_Y, COLS, 0, 0);
345 wnoutrefresh(chrbox);
347 strwin = derwin(chrbox, 4, COLS - 2, 1, 1);
349 test_get_wstr(1, argv, strwin);
352 ExitProgram(EXIT_SUCCESS);
358 printf("This program requires the wide-ncurses library\n");
359 ExitProgram(EXIT_FAILURE);