2007-07-22 07:58:49 +08:00
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/****************************************************************************
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2009-08-30 06:41:54 +08:00
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* Copyright (c) 2007,2009 Free Software Foundation, Inc. *
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2007-07-22 07:58:49 +08:00
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/*
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2009-08-30 06:41:54 +08:00
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* $Id: test_get_wstr.c,v 1.6 2009/08/29 19:02:25 tom Exp $
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2007-07-22 07:58:49 +08:00
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*
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* Author: Thomas E Dickey
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*
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* Demonstrate the get_wstr functions from the curses library.
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int get_wstr(wint_t *wstr);
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int getn_wstr(wint_t *wstr, int n);
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int wget_wstr(WINDOW *win, wint_t *wstr);
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int wgetn_wstr(WINDOW *win, wint_t *wstr, int n);
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int mvget_wstr(int y, int x, wint_t *wstr);
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int mvgetn_wstr(int y, int x, wint_t *wstr, int n);
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int mvwget_wstr(WINDOW *win, int y, int x, wint_t *wstr);
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int mvwgetn_wstr(WINDOW *win, int y, int x, wint_t *wstr, int n);
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*/
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#include <test.priv.h>
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#if USE_WIDEC_SUPPORT
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#define BASE_Y 6
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#define MAX_COLS 1024
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typedef enum {
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eGetStr = 0,
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eGetNStr,
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eMvGetStr,
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eMvGetNStr,
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eMaxFlavor
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} Flavors;
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static bool
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Quit(int ch)
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{
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return (ch == ERR || ch == 'q' || ch == QUIT || ch == ESCAPE);
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}
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static int
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Remainder(WINDOW *txtwin)
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{
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int result = getmaxx(txtwin) - getcurx(txtwin);
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return (result > 0) ? result : 0;
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}
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/*
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* Show a highlighted line in the place where input will happen.
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*/
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static void
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ShowPrompt(WINDOW *txtwin, int limit)
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{
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wchgat(txtwin, limit, A_REVERSE, 0, NULL);
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wnoutrefresh(txtwin);
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}
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static void
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MovePrompt(WINDOW *txtwin, int limit, int y, int x)
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{
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wchgat(txtwin, Remainder(txtwin), A_NORMAL, 0, NULL);
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wmove(txtwin, y, x);
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ShowPrompt(txtwin, limit);
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}
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static int
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2007-08-13 00:31:21 +08:00
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ShowFlavor(WINDOW *strwin, WINDOW *txtwin, int flavor, int limit)
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2007-07-22 07:58:49 +08:00
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{
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2007-07-29 08:27:12 +08:00
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const char *name = "?";
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2007-07-22 07:58:49 +08:00
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bool limited = FALSE;
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bool wins = (txtwin != stdscr);
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int result;
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switch (flavor) {
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case eGetStr:
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name = wins ? "wget_wstr" : "get_wstr";
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break;
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case eGetNStr:
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limited = TRUE;
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name = wins ? "wgetn_wstr" : "getn_wstr";
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break;
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case eMvGetStr:
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name = wins ? "mvwget_wstr" : "mvget_wstr";
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break;
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case eMvGetNStr:
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limited = TRUE;
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name = wins ? "mvwgetn_wstr" : "mvgetn_wstr";
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break;
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case eMaxFlavor:
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break;
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}
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wmove(strwin, 0, 0);
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werase(strwin);
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if (limited) {
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wprintw(strwin, "%s(%d):", name, limit);
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} else {
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wprintw(strwin, "%s:", name);
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}
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result = limited ? limit : Remainder(txtwin);
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ShowPrompt(txtwin, result);
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wnoutrefresh(strwin);
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return result;
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}
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static int
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test_get_wstr(int level, char **argv, WINDOW *strwin)
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{
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WINDOW *txtbox = 0;
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WINDOW *txtwin = 0;
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FILE *fp;
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int ch;
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int rc;
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int txt_x = 0, txt_y = 0;
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int base_y;
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int flavor = 0;
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int limit = getmaxx(strwin) - 5;
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int actual;
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wint_t buffer[MAX_COLS];
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if (argv[level] == 0) {
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beep();
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return FALSE;
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}
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if (level > 1) {
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txtbox = newwin(LINES - BASE_Y, COLS - level, BASE_Y, level);
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box(txtbox, 0, 0);
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wnoutrefresh(txtbox);
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txtwin = derwin(txtbox,
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getmaxy(txtbox) - 2,
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getmaxx(txtbox) - 2,
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1, 1);
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base_y = 0;
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} else {
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txtwin = stdscr;
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base_y = BASE_Y;
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}
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keypad(txtwin, TRUE); /* enable keyboard mapping */
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(void) cbreak(); /* take input chars one at a time, no wait for \n */
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(void) noecho(); /* don't echo input */
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txt_y = base_y;
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txt_x = 0;
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wmove(txtwin, txt_y, txt_x);
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if ((fp = fopen(argv[level], "r")) != 0) {
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while ((ch = fgetc(fp)) != EOF) {
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if (waddch(txtwin, UChar(ch)) != OK) {
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break;
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}
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}
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fclose(fp);
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} else {
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wprintw(txtwin, "Cannot open:\n%s", argv[1]);
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}
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wmove(txtwin, txt_y, txt_x);
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actual = ShowFlavor(strwin, txtwin, flavor, limit);
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while (!Quit(ch = mvwgetch(txtwin, txt_y, txt_x))) {
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switch (ch) {
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case KEY_DOWN:
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case 'j':
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if (txt_y < getmaxy(txtwin) - 1) {
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MovePrompt(txtwin, actual, ++txt_y, txt_x);
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} else {
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beep();
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}
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break;
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case KEY_UP:
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case 'k':
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if (txt_y > base_y) {
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MovePrompt(txtwin, actual, --txt_y, txt_x);
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} else {
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beep();
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}
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break;
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case KEY_LEFT:
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case 'h':
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if (txt_x > 0) {
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MovePrompt(txtwin, actual, txt_y, --txt_x);
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} else {
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beep();
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}
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break;
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case KEY_RIGHT:
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case 'l':
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if (txt_x < getmaxx(txtwin) - 1) {
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MovePrompt(txtwin, actual, txt_y, ++txt_x);
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} else {
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beep();
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}
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break;
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case 'w':
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test_get_wstr(level + 1, argv, strwin);
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if (txtbox != 0) {
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touchwin(txtbox);
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wnoutrefresh(txtbox);
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} else {
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touchwin(txtwin);
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wnoutrefresh(txtwin);
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}
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break;
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case '-':
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if (limit > 0) {
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actual = ShowFlavor(strwin, txtwin, flavor, --limit);
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MovePrompt(txtwin, actual, txt_y, txt_x);
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} else {
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beep();
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}
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break;
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case '+':
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actual = ShowFlavor(strwin, txtwin, flavor, ++limit);
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MovePrompt(txtwin, actual, txt_y, txt_x);
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break;
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case '<':
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if (flavor > 0) {
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actual = ShowFlavor(strwin, txtwin, --flavor, limit);
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MovePrompt(txtwin, actual, txt_y, txt_x);
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} else {
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beep();
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}
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break;
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case '>':
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if (flavor + 1 < eMaxFlavor) {
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actual = ShowFlavor(strwin, txtwin, ++flavor, limit);
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MovePrompt(txtwin, actual, txt_y, txt_x);
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} else {
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beep();
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}
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break;
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case ':':
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actual = ShowFlavor(strwin, txtwin, flavor, limit);
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*buffer = '\0';
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rc = ERR;
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echo();
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2009-08-30 06:41:54 +08:00
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(void) wattrset(txtwin, A_REVERSE);
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2007-07-22 07:58:49 +08:00
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switch (flavor) {
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case eGetStr:
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if (txtwin != stdscr) {
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wmove(txtwin, txt_y, txt_x);
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rc = wget_wstr(txtwin, buffer);
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} else {
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move(txt_y, txt_x);
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rc = get_wstr(buffer);
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}
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break;
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case eGetNStr:
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if (txtwin != stdscr) {
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wmove(txtwin, txt_y, txt_x);
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rc = wgetn_wstr(txtwin, buffer, limit);
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} else {
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move(txt_y, txt_x);
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rc = getn_wstr(buffer, limit);
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}
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break;
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case eMvGetStr:
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if (txtwin != stdscr) {
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rc = mvwget_wstr(txtwin, txt_y, txt_x, buffer);
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} else {
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rc = mvget_wstr(txt_y, txt_x, buffer);
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}
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break;
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case eMvGetNStr:
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if (txtwin != stdscr) {
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rc = mvwgetn_wstr(txtwin, txt_y, txt_x, buffer, limit);
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} else {
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rc = mvgetn_wstr(txt_y, txt_x, buffer, limit);
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}
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break;
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case eMaxFlavor:
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break;
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}
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noecho();
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2009-08-30 06:41:54 +08:00
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(void) wattrset(txtwin, A_NORMAL);
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2007-07-22 07:58:49 +08:00
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wprintw(strwin, "%d", rc);
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2009-08-30 06:41:54 +08:00
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(void) waddwstr(strwin, (wchar_t *) buffer);
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2007-07-22 07:58:49 +08:00
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wnoutrefresh(strwin);
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break;
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default:
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beep();
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break;
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}
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doupdate();
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}
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if (level > 1) {
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delwin(txtwin);
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delwin(txtbox);
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}
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return TRUE;
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}
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int
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main(int argc, char *argv[])
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{
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WINDOW *chrbox;
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WINDOW *strwin;
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setlocale(LC_ALL, "");
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if (argc < 2) {
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fprintf(stderr, "usage: %s file\n", argv[0]);
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return EXIT_FAILURE;
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}
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initscr();
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chrbox = derwin(stdscr, BASE_Y, COLS, 0, 0);
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box(chrbox, 0, 0);
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wnoutrefresh(chrbox);
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strwin = derwin(chrbox, 4, COLS - 2, 1, 1);
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test_get_wstr(1, argv, strwin);
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endwin();
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ExitProgram(EXIT_SUCCESS);
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}
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#else
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int
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main(void)
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{
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printf("This program requires the wide-ncurses library\n");
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ExitProgram(EXIT_FAILURE);
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}
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#endif
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