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+/****************************************************************************
+ * Copyright (c) 2007-2009,2011 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+ * copy of this software and associated documentation files (the *
+ * "Software"), to deal in the Software without restriction, including *
+ * without limitation the rights to use, copy, modify, merge, publish, *
+ * distribute, distribute with modifications, sublicense, and/or sell *
+ * copies of the Software, and to permit persons to whom the Software is *
+ * furnished to do so, subject to the following conditions: *
+ * *
+ * The above copyright notice and this permission notice shall be included *
+ * in all copies or substantial portions of the Software. *
+ * *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+ * *
+ * Except as contained in this notice, the name(s) of the above copyright *
+ * holders shall not be used in advertising or otherwise to promote the *
+ * sale, use or other dealings in this Software without prior written *
+ * authorization. *
+ ****************************************************************************/
+/*
+ * $Id: test_get_wstr.c,v 1.8 2011/01/15 18:15:11 tom Exp $
+ *
+ * Author: Thomas E Dickey
+ *
+ * Demonstrate the get_wstr functions from the curses library.
+
+ int get_wstr(wint_t *wstr);
+ int getn_wstr(wint_t *wstr, int n);
+ int wget_wstr(WINDOW *win, wint_t *wstr);
+ int wgetn_wstr(WINDOW *win, wint_t *wstr, int n);
+ int mvget_wstr(int y, int x, wint_t *wstr);
+ int mvgetn_wstr(int y, int x, wint_t *wstr, int n);
+ int mvwget_wstr(WINDOW *win, int y, int x, wint_t *wstr);
+ int mvwgetn_wstr(WINDOW *win, int y, int x, wint_t *wstr, int n);
+ */
+
+#include <test.priv.h>
+
+#if HAVE_CHGAT
+/* NetBSD curses wchgat */
+
+#if USE_WIDEC_SUPPORT
+
+#define BASE_Y 6
+#define MAX_COLS 1024
+
+typedef enum {
+ eGetStr = 0,
+ eGetNStr,
+ eMvGetStr,
+ eMvGetNStr,
+ eMaxFlavor
+} Flavors;
+
+static bool
+Quit(int ch)
+{
+ return (ch == ERR || ch == 'q' || ch == QUIT || ch == ESCAPE);
+}
+
+static int
+Remainder(WINDOW *txtwin)
+{
+ int result = getmaxx(txtwin) - getcurx(txtwin);
+ return (result > 0) ? result : 0;
+}
+
+/*
+ * Show a highlighted line in the place where input will happen.
+ */
+static void
+ShowPrompt(WINDOW *txtwin, int limit)
+{
+ wchgat(txtwin, limit, A_REVERSE, 0, NULL);
+ wnoutrefresh(txtwin);
+}
+
+static void
+MovePrompt(WINDOW *txtwin, int limit, int y, int x)
+{
+ wchgat(txtwin, Remainder(txtwin), A_NORMAL, 0, NULL);
+ wmove(txtwin, y, x);
+ ShowPrompt(txtwin, limit);
+}
+
+static int
+ShowFlavor(WINDOW *strwin, WINDOW *txtwin, int flavor, int limit)
+{
+ const char *name = "?";
+ bool limited = FALSE;
+ bool wins = (txtwin != stdscr);
+ int result;
+
+ switch (flavor) {
+ case eGetStr:
+ name = wins ? "wget_wstr" : "get_wstr";
+ break;
+ case eGetNStr:
+ limited = TRUE;
+ name = wins ? "wgetn_wstr" : "getn_wstr";
+ break;
+ case eMvGetStr:
+ name = wins ? "mvwget_wstr" : "mvget_wstr";
+ break;
+ case eMvGetNStr:
+ limited = TRUE;
+ name = wins ? "mvwgetn_wstr" : "mvgetn_wstr";
+ break;
+ case eMaxFlavor:
+ break;
+ }
+
+ wmove(strwin, 0, 0);
+ werase(strwin);
+
+ if (limited) {
+ wprintw(strwin, "%s(%d):", name, limit);
+ } else {
+ wprintw(strwin, "%s:", name);
+ }
+ result = limited ? limit : Remainder(txtwin);
+ ShowPrompt(txtwin, result);
+
+ wnoutrefresh(strwin);
+ return result;
+}
+
+static int
+test_get_wstr(int level, char **argv, WINDOW *strwin)
+{
+ WINDOW *txtbox = 0;
+ WINDOW *txtwin = 0;
+ FILE *fp;
+ int ch;
+ int rc;
+ int txt_x = 0, txt_y = 0;
+ int base_y;
+ int flavor = 0;
+ int limit = getmaxx(strwin) - 5;
+ int actual;
+ wint_t buffer[MAX_COLS];
+
+ if (argv[level] == 0) {
+ beep();
+ return FALSE;
+ }
+
+ if (level > 1) {
+ txtbox = newwin(LINES - BASE_Y, COLS - level, BASE_Y, level);
+ box(txtbox, 0, 0);
+ wnoutrefresh(txtbox);
+
+ txtwin = derwin(txtbox,
+ getmaxy(txtbox) - 2,
+ getmaxx(txtbox) - 2,
+ 1, 1);
+ base_y = 0;
+ } else {
+ txtwin = stdscr;
+ base_y = BASE_Y;
+ }
+
+ keypad(txtwin, TRUE); /* enable keyboard mapping */
+ (void) cbreak(); /* take input chars one at a time, no wait for \n */
+ (void) noecho(); /* don't echo input */
+
+ txt_y = base_y;
+ txt_x = 0;
+ wmove(txtwin, txt_y, txt_x);
+
+ if ((fp = fopen(argv[level], "r")) != 0) {
+ while ((ch = fgetc(fp)) != EOF) {
+ if (waddch(txtwin, UChar(ch)) != OK) {
+ break;
+ }
+ }
+ fclose(fp);
+ } else {
+ wprintw(txtwin, "Cannot open:\n%s", argv[1]);
+ }
+
+ wmove(txtwin, txt_y, txt_x);
+ actual = ShowFlavor(strwin, txtwin, flavor, limit);
+ while (!Quit(ch = mvwgetch(txtwin, txt_y, txt_x))) {
+ switch (ch) {
+ case KEY_DOWN:
+ case 'j':
+ if (txt_y < getmaxy(txtwin) - 1) {
+ MovePrompt(txtwin, actual, ++txt_y, txt_x);
+ } else {
+ beep();
+ }
+ break;
+ case KEY_UP:
+ case 'k':
+ if (txt_y > base_y) {
+ MovePrompt(txtwin, actual, --txt_y, txt_x);
+ } else {
+ beep();
+ }
+ break;
+ case KEY_LEFT:
+ case 'h':
+ if (txt_x > 0) {
+ MovePrompt(txtwin, actual, txt_y, --txt_x);
+ } else {
+ beep();
+ }
+ break;
+ case KEY_RIGHT:
+ case 'l':
+ if (txt_x < getmaxx(txtwin) - 1) {
+ MovePrompt(txtwin, actual, txt_y, ++txt_x);
+ } else {
+ beep();
+ }
+ break;
+
+ case 'w':
+ test_get_wstr(level + 1, argv, strwin);
+ if (txtbox != 0) {
+ touchwin(txtbox);
+ wnoutrefresh(txtbox);
+ } else {
+ touchwin(txtwin);
+ wnoutrefresh(txtwin);
+ }
+ break;
+
+ case '-':
+ if (limit > 0) {
+ actual = ShowFlavor(strwin, txtwin, flavor, --limit);
+ MovePrompt(txtwin, actual, txt_y, txt_x);
+ } else {
+ beep();
+ }
+ break;
+
+ case '+':
+ actual = ShowFlavor(strwin, txtwin, flavor, ++limit);
+ MovePrompt(txtwin, actual, txt_y, txt_x);
+ break;
+
+ case '<':
+ if (flavor > 0) {
+ actual = ShowFlavor(strwin, txtwin, --flavor, limit);
+ MovePrompt(txtwin, actual, txt_y, txt_x);
+ } else {
+ beep();
+ }
+ break;
+
+ case '>':
+ if (flavor + 1 < eMaxFlavor) {
+ actual = ShowFlavor(strwin, txtwin, ++flavor, limit);
+ MovePrompt(txtwin, actual, txt_y, txt_x);
+ } else {
+ beep();
+ }
+ break;
+
+ case ':':
+ actual = ShowFlavor(strwin, txtwin, flavor, limit);
+ *buffer = '\0';
+ rc = ERR;
+ echo();
+ (void) wattrset(txtwin, A_REVERSE);
+ switch (flavor) {
+ case eGetStr:
+ if (txtwin != stdscr) {
+ wmove(txtwin, txt_y, txt_x);
+ rc = wget_wstr(txtwin, buffer);
+ } else {
+ move(txt_y, txt_x);
+ rc = get_wstr(buffer);
+ }
+ break;
+ case eGetNStr:
+ if (txtwin != stdscr) {
+ wmove(txtwin, txt_y, txt_x);
+ rc = wgetn_wstr(txtwin, buffer, limit);
+ } else {
+ move(txt_y, txt_x);
+ rc = getn_wstr(buffer, limit);
+ }
+ break;
+ case eMvGetStr:
+ if (txtwin != stdscr) {
+ rc = mvwget_wstr(txtwin, txt_y, txt_x, buffer);
+ } else {
+ rc = mvget_wstr(txt_y, txt_x, buffer);
+ }
+ break;
+ case eMvGetNStr:
+ if (txtwin != stdscr) {
+ rc = mvwgetn_wstr(txtwin, txt_y, txt_x, buffer, limit);
+ } else {
+ rc = mvgetn_wstr(txt_y, txt_x, buffer, limit);
+ }
+ break;
+ case eMaxFlavor:
+ break;
+ }
+ noecho();
+ (void) wattrset(txtwin, A_NORMAL);
+ wprintw(strwin, "%d", rc);
+ (void) waddwstr(strwin, (wchar_t *) buffer);
+ wnoutrefresh(strwin);
+ break;
+ default:
+ beep();
+ break;
+ }
+ doupdate();
+ }
+ if (level > 1) {
+ delwin(txtwin);
+ delwin(txtbox);
+ }
+ return TRUE;
+}
+
+int
+main(int argc, char *argv[])
+{
+ WINDOW *chrbox;
+ WINDOW *strwin;
+
+ setlocale(LC_ALL, "");
+
+ if (argc < 2) {
+ fprintf(stderr, "usage: %s file\n", argv[0]);
+ return EXIT_FAILURE;
+ }
+
+ initscr();
+
+ chrbox = derwin(stdscr, BASE_Y, COLS, 0, 0);
+ box(chrbox, 0, 0);
+ wnoutrefresh(chrbox);
+
+ strwin = derwin(chrbox, 4, COLS - 2, 1, 1);
+
+ test_get_wstr(1, argv, strwin);
+
+ endwin();
+ ExitProgram(EXIT_SUCCESS);
+}
+#else
+int
+main(void)
+{
+ printf("This program requires the wide-ncurses library\n");
+ ExitProgram(EXIT_FAILURE);
+}
+#endif
+#else
+int
+main(void)
+{
+ printf("This program requires the curses chgat function\n");
+ ExitProgram(EXIT_FAILURE);
+}
+#endif
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