ncursesw-morphos/test/inserts.c

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/****************************************************************************
* Copyright (c) 2002-2006,2007 Free Software Foundation, Inc. *
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* *
* 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. *
****************************************************************************/
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/*
* $Id: inserts.c,v 1.18 2007/07/21 17:41:55 tom Exp $
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*
* Demonstrate the winsstr() and winsch functions.
* Thomas Dickey - 2002/10/19
*/
#include <test.priv.h>
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#if HAVE_WINSSTR
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#define InsNStr insnstr
#define InsStr insstr
#define MvInsNStr mvinsnstr
#define MvInsStr mvinsstr
#define MvWInsNStr mvwinsnstr
#define MvWInsStr mvwinsstr
#define WInsNStr winsnstr
#define WInsStr winsstr
#define InsCh insch
#define MvInsCh mvinsch
#define MvWInsCh mvwinsch
#define WInsCh winsch
#define MY_TABSIZE 8
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typedef enum {
oDefault = 0,
oMove = 1,
oWindow = 2,
oMoveWindow = 3
} Options;
static bool m_opt = FALSE;
static bool w_opt = FALSE;
static int n_opt = -1;
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static void
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legend(WINDOW *win, int level, Options state, char *buffer, int length)
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{
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NCURSES_CONST char *showstate;
switch (state) {
default:
case oDefault:
showstate = "";
break;
case oMove:
showstate = " (mvXXX)";
break;
case oWindow:
showstate = " (winXXX)";
break;
case oMoveWindow:
showstate = " (mvwinXXX)";
break;
}
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wmove(win, 0, 0);
wprintw(win,
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"The Strings/Chars displays should match. Enter any characters, except:\n");
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wprintw(win,
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"down-arrow or ^N to repeat on next line, 'w' for inner window, 'q' to exit.\n");
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wclrtoeol(win);
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wprintw(win, "Level %d,%s inserted %d characters <%s>", level,
showstate, length, buffer);
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}
static int
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ColOf(char *buffer, int length, int margin)
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{
int n;
int result;
for (n = 0, result = margin + 1; n < length; ++n) {
int ch = UChar(buffer[n]);
switch (ch) {
case '\n':
/* actually newline should clear the remainder of the line
* and move to the next line - but that seems a little awkward
* in this example.
*/
case '\r':
result = 0;
break;
case '\b':
if (result > 0)
--result;
break;
case '\t':
result += (MY_TABSIZE - (result % MY_TABSIZE));
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break;
case '\177':
result += 2;
break;
default:
++result;
if (ch < 32)
++result;
break;
}
}
return result;
}
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#define LEN(n) ((length - (n) > n_opt) ? n_opt : (length - (n)))
static void
test_inserts(int level)
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{
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static bool first = TRUE;
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int ch;
int limit;
int row = 1;
int col;
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int row2, col2;
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int length;
char buffer[BUFSIZ];
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WINDOW *look = 0;
WINDOW *work = 0;
WINDOW *show = 0;
int margin = (2 * MY_TABSIZE) - 1;
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Options option = (Options) ((unsigned) (m_opt
? oMove
: oDefault)
| (unsigned) ((w_opt || (level > 0))
? oWindow
: oDefault));
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if (first) {
static char cmd[80];
setlocale(LC_ALL, "");
putenv(strcpy(cmd, "TABSIZE=8"));
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initscr();
(void) cbreak(); /* take input chars one at a time, no wait for \n */
(void) noecho(); /* don't echo input */
keypad(stdscr, TRUE);
}
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limit = LINES - 5;
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if (level > 0) {
look = newwin(limit, COLS - (2 * (level - 1)), 0, level - 1);
work = newwin(limit - 2, COLS - (2 * level), 1, level);
show = newwin(4, COLS, limit + 1, 0);
box(look, 0, 0);
wnoutrefresh(look);
limit -= 2;
} else {
work = stdscr;
show = derwin(stdscr, 4, COLS, limit + 1, 0);
}
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keypad(work, TRUE);
for (col = margin + 1; col < COLS; col += MY_TABSIZE)
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mvwvline(work, row, col, '.', limit - 2);
mvwvline(work, row, margin, ACS_VLINE, limit - 2);
mvwvline(work, row, margin + 1, ACS_VLINE, limit - 2);
limit /= 2;
mvwaddstr(work, 1, 2, "String");
mvwaddstr(work, limit + 1, 2, "Chars");
wnoutrefresh(work);
buffer[length = 0] = '\0';
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legend(show, level, option, buffer, length);
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wnoutrefresh(show);
doupdate();
/*
* Show the characters inserted in color, to distinguish from those that
* are shifted.
*/
if (has_colors()) {
start_color();
init_pair(1, COLOR_WHITE, COLOR_BLUE);
wbkgdset(work, COLOR_PAIR(1) | ' ');
}
while ((ch = wgetch(work)) != 'q') {
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if (ch == ERR) {
beep();
break;
}
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wmove(work, row, margin + 1);
switch (ch) {
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case 'w':
test_inserts(level + 1);
touchwin(look);
touchwin(work);
touchwin(show);
wnoutrefresh(look);
wnoutrefresh(work);
wnoutrefresh(show);
doupdate();
break;
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case CTRL('N'):
case KEY_DOWN:
if (row < limit) {
++row;
/* put the whole string in, all at once */
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col2 = margin + 1;
switch (option) {
case oDefault:
if (n_opt > 1) {
for (col = 0; col < length; col += n_opt) {
col2 = ColOf(buffer, col, margin);
if (move(row, col2) != ERR) {
InsNStr(buffer + col, LEN(col));
}
}
} else {
if (move(row, col2) != ERR) {
InsStr(buffer);
}
}
break;
case oMove:
if (n_opt > 1) {
for (col = 0; col < length; col += n_opt) {
col2 = ColOf(buffer, col, margin);
MvInsNStr(row, col2, buffer + col, LEN(col));
}
} else {
MvInsStr(row, col2, buffer);
}
break;
case oWindow:
if (n_opt > 1) {
for (col = 0; col < length; col += n_opt) {
col2 = ColOf(buffer, col, margin);
if (wmove(work, row, col2) != ERR) {
WInsNStr(work, buffer + col, LEN(col));
}
}
} else {
if (wmove(work, row, col2) != ERR) {
WInsStr(work, buffer);
}
}
break;
case oMoveWindow:
if (n_opt > 1) {
for (col = 0; col < length; col += n_opt) {
col2 = ColOf(buffer, col, margin);
MvWInsNStr(work, row, col2, buffer + col, LEN(col));
}
} else {
MvWInsStr(work, row, col2, buffer);
}
break;
}
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/* do the corresponding single-character insertion */
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row2 = limit + row;
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for (col = 0; col < length; ++col) {
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col2 = ColOf(buffer, col, margin);
switch (option) {
case oDefault:
if (move(row2, col2) != ERR) {
InsCh(UChar(buffer[col]));
}
break;
case oMove:
MvInsCh(row2, col2, UChar(buffer[col]));
break;
case oWindow:
if (wmove(work, row2, col2) != ERR) {
WInsCh(work, UChar(buffer[col]));
}
break;
case oMoveWindow:
MvWInsCh(work, row2, col2, UChar(buffer[col]));
break;
}
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}
} else {
beep();
}
break;
case KEY_BACKSPACE:
ch = '\b';
/* FALLTHRU */
default:
if (ch <= 0 || ch > 255) {
beep();
break;
}
buffer[length++] = ch;
buffer[length] = '\0';
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/* put the string in, one character at a time */
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col = ColOf(buffer, length - 1, margin);
switch (option) {
case oDefault:
if (move(row, col) != ERR) {
InsStr(buffer + length - 1);
}
break;
case oMove:
MvInsStr(row, col, buffer + length - 1);
break;
case oWindow:
if (wmove(work, row, col) != ERR) {
WInsStr(work, buffer + length - 1);
}
break;
case oMoveWindow:
MvWInsStr(work, row, col, buffer + length - 1);
break;
}
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/* do the corresponding single-character insertion */
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switch (option) {
case oDefault:
if (move(limit + row, col) != ERR) {
InsCh(UChar(ch));
}
break;
case oMove:
MvInsCh(limit + row, col, UChar(ch));
break;
case oWindow:
if (wmove(work, limit + row, col) != ERR) {
WInsCh(work, UChar(ch));
}
break;
case oMoveWindow:
MvWInsCh(work, limit + row, col, UChar(ch));
break;
}
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wnoutrefresh(work);
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legend(show, level, option, buffer, length);
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wnoutrefresh(show);
doupdate();
break;
}
}
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if (level > 0) {
delwin(show);
delwin(work);
delwin(look);
}
}
static void
usage(void)
{
static const char *tbl[] =
{
"Usage: inserts [options]"
,""
,"Options:"
," -n NUM limit string-inserts to NUM bytes on ^N replay"
," -m perform wmove/move separately from insert-functions"
," -w use window-parameter even when stdscr would be implied"
};
unsigned n;
for (n = 0; n < SIZEOF(tbl); ++n)
fprintf(stderr, "%s\n", tbl[n]);
ExitProgram(EXIT_FAILURE);
}
int
main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
{
int ch;
setlocale(LC_ALL, "");
while ((ch = getopt(argc, argv, "mn:w")) != -1) {
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switch (ch) {
case 'm':
m_opt = TRUE;
break;
case 'n':
n_opt = atoi(optarg);
if (n_opt == 0)
n_opt = -1;
break;
case 'w':
w_opt = TRUE;
break;
default:
usage();
break;
}
}
if (optind < argc)
usage();
test_inserts(0);
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endwin();
ExitProgram(EXIT_SUCCESS);
}
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#else
int
main(void)
{
printf("This program requires the winsstr function\n");
ExitProgram(EXIT_FAILURE);
}
#endif /* HAVE_WINSSTR */