source: trunk/ncurses/test/inserts.c@ 2659

Last change on this file since 2659 was 2621, checked in by bird, 20 years ago

GNU ncurses 5.5
File size: 8.2 KB
Line 
1/*
2 * $Id: inserts.c,v 1.13 2005/04/16 15:56:42 tom Exp $
3 *
4 * Demonstrate the winsstr() and winsch functions.
5 * Thomas Dickey - 2002/10/19
6 */
7
8#include <test.priv.h>
9
10#define InsNStr insnstr
11#define InsStr insstr
12#define MvInsNStr mvinsnstr
13#define MvInsStr mvinsstr
14#define MvWInsNStr mvwinsnstr
15#define MvWInsStr mvwinsstr
16#define WInsNStr winsnstr
17#define WInsStr winsstr
18
19#define InsCh insch
20#define MvInsCh mvinsch
21#define MvWInsCh mvwinsch
22#define WInsCh winsch
23
24#define TABSIZE 8
25
26typedef enum {
27 oDefault = 0,
28 oMove = 1,
29 oWindow = 2,
30 oMoveWindow = 3
31} Options;
32
33static bool m_opt = FALSE;
34static bool w_opt = FALSE;
35static int n_opt = -1;
36
37static void
38legend(WINDOW *win, int level, Options state, char *buffer, int length)
39{
40 NCURSES_CONST char *showstate;
41
42 switch (state) {
43 default:
44 case oDefault:
45 showstate = "";
46 break;
47 case oMove:
48 showstate = " (mvXXX)";
49 break;
50 case oWindow:
51 showstate = " (winXXX)";
52 break;
53 case oMoveWindow:
54 showstate = " (mvwinXXX)";
55 break;
56 }
57
58 wmove(win, 0, 0);
59 wprintw(win,
60 "The Strings/Chars displays should match. Enter any characters, except:\n");
61 wprintw(win,
62 "down-arrow or ^N to repeat on next line, 'w' for inner window, 'q' to exit.\n");
63 wclrtoeol(win);
64 wprintw(win, "Level %d,%s inserted %d characters <%s>", level,
65 showstate, length, buffer);
66}
67
68static int
69ColOf(char *buffer, int length, int margin)
70{
71 int n;
72 int result;
73
74 for (n = 0, result = margin + 1; n < length; ++n) {
75 int ch = UChar(buffer[n]);
76 switch (ch) {
77 case '\n':
78 /* actually newline should clear the remainder of the line
79 * and move to the next line - but that seems a little awkward
80 * in this example.
81 */
82 case '\r':
83 result = 0;
84 break;
85 case '\b':
86 if (result > 0)
87 --result;
88 break;
89 case '\t':
90 result += (TABSIZE - (result % TABSIZE));
91 break;
92 case '\177':
93 result += 2;
94 break;
95 default:
96 ++result;
97 if (ch < 32)
98 ++result;
99 break;
100 }
101 }
102 return result;
103}
104
105#define LEN(n) ((length - (n) > n_opt) ? n_opt : (length - (n)))
106static void
107test_inserts(int level)
108{
109 static bool first = TRUE;
110
111 int ch;
112 int limit;
113 int row = 1;
114 int col;
115 int row2, col2;
116 int length;
117 char buffer[BUFSIZ];
118 WINDOW *look = 0;
119 WINDOW *work = 0;
120 WINDOW *show = 0;
121 int margin = (2 * TABSIZE) - 1;
122 Options option = ((m_opt ? oMove : oDefault)
123 | ((w_opt || (level > 0)) ? oWindow : oDefault));
124
125 if (first) {
126 static char cmd[80];
127 setlocale(LC_ALL, "");
128
129 putenv(strcpy(cmd, "TABSIZE=8"));
130
131 initscr();
132 (void) cbreak(); /* take input chars one at a time, no wait for \n */
133 (void) noecho(); /* don't echo input */
134 keypad(stdscr, TRUE);
135 }
136
137 limit = LINES - 5;
138 if (level > 0) {
139 look = newwin(limit, COLS - (2 * (level - 1)), 0, level - 1);
140 work = newwin(limit - 2, COLS - (2 * level), 1, level);
141 show = newwin(4, COLS, limit + 1, 0);
142 box(look, 0, 0);
143 wnoutrefresh(look);
144 limit -= 2;
145 } else {
146 work = stdscr;
147 show = derwin(stdscr, 4, COLS, limit + 1, 0);
148 }
149 keypad(work, TRUE);
150
151 for (col = margin + 1; col < COLS; col += TABSIZE)
152 mvwvline(work, row, col, '.', limit - 2);
153
154 mvwvline(work, row, margin, ACS_VLINE, limit - 2);
155 mvwvline(work, row, margin + 1, ACS_VLINE, limit - 2);
156 limit /= 2;
157
158 mvwaddstr(work, 1, 2, "String");
159 mvwaddstr(work, limit + 1, 2, "Chars");
160 wnoutrefresh(work);
161
162 buffer[length = 0] = '\0';
163 legend(show, level, option, buffer, length);
164 wnoutrefresh(show);
165
166 doupdate();
167
168 /*
169 * Show the characters inserted in color, to distinguish from those that
170 * are shifted.
171 */
172 if (has_colors()) {
173 start_color();
174 init_pair(1, COLOR_WHITE, COLOR_BLUE);
175 wbkgdset(work, COLOR_PAIR(1) | ' ');
176 }
177
178 while ((ch = wgetch(work)) != 'q') {
179 if (ch == ERR) {
180 beep();
181 break;
182 }
183 wmove(work, row, margin + 1);
184 switch (ch) {
185 case 'w':
186 test_inserts(level + 1);
187
188 touchwin(look);
189 touchwin(work);
190 touchwin(show);
191
192 wnoutrefresh(look);
193 wnoutrefresh(work);
194 wnoutrefresh(show);
195
196 doupdate();
197 break;
198 case CTRL('N'):
199 case KEY_DOWN:
200 if (row < limit) {
201 ++row;
202 /* put the whole string in, all at once */
203 col2 = margin + 1;
204 switch (option) {
205 case oDefault:
206 if (n_opt > 1) {
207 for (col = 0; col < length; col += n_opt) {
208 col2 = ColOf(buffer, col, margin);
209 if (move(row, col2) != ERR) {
210 InsNStr(buffer + col, LEN(col));
211 }
212 }
213 } else {
214 if (move(row, col2) != ERR) {
215 InsStr(buffer);
216 }
217 }
218 break;
219 case oMove:
220 if (n_opt > 1) {
221 for (col = 0; col < length; col += n_opt) {
222 col2 = ColOf(buffer, col, margin);
223 MvInsNStr(row, col2, buffer + col, LEN(col));
224 }
225 } else {
226 MvInsStr(row, col2, buffer);
227 }
228 break;
229 case oWindow:
230 if (n_opt > 1) {
231 for (col = 0; col < length; col += n_opt) {
232 col2 = ColOf(buffer, col, margin);
233 if (wmove(work, row, col2) != ERR) {
234 WInsNStr(work, buffer + col, LEN(col));
235 }
236 }
237 } else {
238 if (wmove(work, row, col2) != ERR) {
239 WInsStr(work, buffer);
240 }
241 }
242 break;
243 case oMoveWindow:
244 if (n_opt > 1) {
245 for (col = 0; col < length; col += n_opt) {
246 col2 = ColOf(buffer, col, margin);
247 MvWInsNStr(work, row, col2, buffer + col, LEN(col));
248 }
249 } else {
250 MvWInsStr(work, row, col2, buffer);
251 }
252 break;
253 }
254
255 /* do the corresponding single-character insertion */
256 row2 = limit + row;
257 for (col = 0; col < length; ++col) {
258 col2 = ColOf(buffer, col, margin);
259 switch (option) {
260 case oDefault:
261 if (move(row2, col2) != ERR) {
262 InsCh(UChar(buffer[col]));
263 }
264 break;
265 case oMove:
266 MvInsCh(row2, col2, UChar(buffer[col]));
267 break;
268 case oWindow:
269 if (wmove(work, row2, col2) != ERR) {
270 WInsCh(work, UChar(buffer[col]));
271 }
272 break;
273 case oMoveWindow:
274 MvWInsCh(work, row2, col2, UChar(buffer[col]));
275 break;
276 }
277 }
278 } else {
279 beep();
280 }
281 break;
282 case KEY_BACKSPACE:
283 ch = '\b';
284 /* FALLTHRU */
285 default:
286 if (ch <= 0 || ch > 255) {
287 beep();
288 break;
289 }
290 buffer[length++] = ch;
291 buffer[length] = '\0';
292
293 /* put the string in, one character at a time */
294 col = ColOf(buffer, length - 1, margin);
295 switch (option) {
296 case oDefault:
297 if (move(row, col) != ERR) {
298 InsStr(buffer + length - 1);
299 }
300 break;
301 case oMove:
302 MvInsStr(row, col, buffer + length - 1);
303 break;
304 case oWindow:
305 if (wmove(work, row, col) != ERR) {
306 WInsStr(work, buffer + length - 1);
307 }
308 break;
309 case oMoveWindow:
310 MvWInsStr(work, row, col, buffer + length - 1);
311 break;
312 }
313
314 /* do the corresponding single-character insertion */
315 switch (option) {
316 case oDefault:
317 if (move(limit + row, col) != ERR) {
318 InsCh(UChar(ch));
319 }
320 break;
321 case oMove:
322 MvInsCh(limit + row, col, UChar(ch));
323 break;
324 case oWindow:
325 if (wmove(work, limit + row, col) != ERR) {
326 WInsCh(work, UChar(ch));
327 }
328 break;
329 case oMoveWindow:
330 MvWInsCh(work, limit + row, col, UChar(ch));
331 break;
332 }
333
334 wnoutrefresh(work);
335
336 legend(show, level, option, buffer, length);
337 wnoutrefresh(show);
338
339 doupdate();
340 break;
341 }
342 }
343 if (level > 0) {
344 delwin(show);
345 delwin(work);
346 delwin(look);
347 }
348}
349
350static void
351usage(void)
352{
353 static const char *tbl[] =
354 {
355 "Usage: inserts [options]"
356 ,""
357 ,"Options:"
358 ," -n NUM limit string-inserts to NUM bytes on ^N replay"
359 ," -m perform wmove/move separately from insert-functions"
360 ," -w use window-parameter even when stdscr would be implied"
361 };
362 unsigned n;
363 for (n = 0; n < SIZEOF(tbl); ++n)
364 fprintf(stderr, "%s\n", tbl[n]);
365 ExitProgram(EXIT_FAILURE);
366}
367
368int
369main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
370{
371 int ch;
372
373 setlocale(LC_ALL, "");
374
375 while ((ch = getopt(argc, argv, "mn:w")) != EOF) {
376 switch (ch) {
377 case 'm':
378 m_opt = TRUE;
379 break;
380 case 'n':
381 n_opt = atoi(optarg);
382 if (n_opt == 0)
383 n_opt = -1;
384 break;
385 case 'w':
386 w_opt = TRUE;
387 break;
388 default:
389 usage();
390 break;
391 }
392 }
393 if (optind < argc)
394 usage();
395
396 test_inserts(0);
397 endwin();
398 ExitProgram(EXIT_SUCCESS);
399}
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