X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=test%2Ftest_getstr.c;h=3f64c77b4858cb20931a0f62d85d10606bb58892;hp=0435897e1c365010105614def2ebd0590c5fd8af;hb=aefc1659d732acf7e62c0c78a443d6d8352a3c6e;hpb=eb312e0bb90463a33aa8a53f825b32dc189af023 diff --git a/test/test_getstr.c b/test/test_getstr.c index 0435897e..3f64c77b 100644 --- a/test/test_getstr.c +++ b/test/test_getstr.c @@ -1,5 +1,34 @@ +/**************************************************************************** + * Copyright (c) 2007-2009,2012 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_getstr.c,v 1.1 2007/06/30 16:51:28 tom Exp $ + * $Id: test_getstr.c,v 1.10 2012/07/07 18:22:49 tom Exp $ + * + * Author: Thomas E Dickey * * Demonstrate the getstr functions from the curses library. @@ -15,9 +44,329 @@ #include +#if HAVE_CHGAT +/* Solaris SVr4 curses lacks wchgat, mvgetnstr, mvwgetnstr */ + +#define BASE_Y 6 +#define MAX_COLS 1024 + +typedef enum { + eGetStr = 0, + eGetNStr, + eMvGetStr, + eMvGetNStr, + eMaxFlavor +} Flavors; + +/* + * Return-code is OK/ERR or a keyname. + */ +static const char * +ok_keyname(int code) +{ + return ((code == OK) ? "OK" : ((code == ERR) ? "ERR" : keyname(code))); +} + +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 ? "wgetstr" : "getstr"; + break; + case eGetNStr: + limited = TRUE; + name = wins ? "wgetnstr" : "getnstr"; + break; + case eMvGetStr: + name = wins ? "mvwgetstr" : "mvgetstr"; + break; + case eMvGetNStr: + limited = TRUE; + name = wins ? "mvwgetnstr" : "mvgetnstr"; + 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_getstr(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; + + char 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_getstr(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 = wgetstr(txtwin, buffer); + } else { + move(txt_y, txt_x); + rc = getstr(buffer); + } + break; + case eGetNStr: + if (txtwin != stdscr) { + wmove(txtwin, txt_y, txt_x); + rc = wgetnstr(txtwin, buffer, limit); + } else { + move(txt_y, txt_x); + rc = getnstr(buffer, limit); + } + break; + case eMvGetStr: + if (txtwin != stdscr) { + rc = mvwgetstr(txtwin, txt_y, txt_x, buffer); + } else { + rc = mvgetstr(txt_y, txt_x, buffer); + } + break; + case eMvGetNStr: + if (txtwin != stdscr) { + rc = mvwgetnstr(txtwin, txt_y, txt_x, buffer, limit); + } else { + rc = mvgetnstr(txt_y, txt_x, buffer, limit); + } + break; + case eMaxFlavor: + break; + } + noecho(); + (void) wattrset(txtwin, A_NORMAL); + wprintw(strwin, "%s:%s", ok_keyname(rc), 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_getstr(1, argv, strwin); + + endwin(); + ExitProgram(EXIT_SUCCESS); +} + +#else int -main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED) +main(void) { - printf("Not implemented - test-driver for curses getstr() functions\n"); - return EXIT_SUCCESS; + printf("This program requires the curses chgat function\n"); + ExitProgram(EXIT_FAILURE); } +#endif