?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Cleanup in elf.c with .bss section clean; adm command mounts cdrom instead of floppy...
[ZeXOS.git] / apps / calc / main.c
blobdf61c104c94b336f6e49d3531663bb18ca411355
1 /*
2 * ZeX/OS
3 * Copyright (C) 2007 Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
4 * Copyright (C) 2008 Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
5 *
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20
21 #include <stdio.h>
22 #include <string.h>
23 #include <stdlib.h>
24 #include <unistd.h>
25
26 #define ESC 1
27 #define ARROWLEFT 75
28 #define ARROWRIGHT 77
29 #define ARROWUP 72
30 #define ARROWDOWN 80
31 #define ENTER 28
32
33 char *buf;
34 char opt;
35 unsigned buf_len;
36
37 unsigned char curr_button_x = 0;
38 unsigned char curr_button_y = 0;
39
40 int number = 0;
41
42 unsigned key_pressed (int keycode)
43 {
44 int scancode = getkey ();
45
46 if (scancode == keycode)
47 return 1;
48
49 if (scancode == keycode+128)
50 return 2;
51 else
52 return 0;
53 }
54
55 int number_get ()
56 {
57 int num = 0;
58 char key = 0;
59
60 while (key != '\n') {
61 key = getch ();
62
63 if ((key >= '0' && key <= '9') || key == '\b') {
64 buf[num] = key;
65 num ++;
66 putch (key);
67 }
68
69 schedule ();
70 }
71
72 buf[num] = '\0';
73
74 return atoi (buf);
75 }
76
77 char opt_get ()
78 {
79 int num = 0;
80 char key = 0;
81
82 while (key != '\n') {
83 key = getch ();
84 if (key) {
85 buf[num] = key;
86 num ++;
87 putch (key);
88 }
89 }
90
91 return buf[0];
92 }
93
94 void draw_button (unsigned char x, unsigned char y, unsigned active, char c)
95 {
96
97
98 if (active == 1) {
99 gotoxy (x+1, y+1);
100 setcolor (14, 0);
101 putch (175);
102 putch (c);
103 putch (174);
104 } else {
105 gotoxy (x+1, y+1);
106 setcolor (7, 0);
107 putch (' ');
108 putch (c);
109 putch (' ');
110 }
111
112
113 setcolor (15, 0);
114
115 // levy horni roh
116 gotoxy (x, y);
117 putch (218);
118
119 putch (196);
120 putch (196);
121 putch (196);
122
123 // pravy horni roh
124 putch (191);
125
126 gotoxy (x, y+1);
127 putch (179);
128
129 gotoxy (x+4, y+1);
130 putch (179);
131
132 // levy dolni roh
133 gotoxy (x, y+2);
134 putch (192);
135
136 putch (196);
137 putch (196);
138 putch (196);
139
140 // pravy dolni roh
141 putch (217);
142 }
143
144 void draw_calc ()
145 {
146 unsigned r = 0;
147
148 /* okraje */
149 gotoxy (0, 0);
150 // levy horni roh
151 putch (201);
152
153 for (r = 0; r < 25; r ++)
154 putch (205);
155
156 // pravy horni roh
157 putch (187);
158
159 for (r = 1; r < 20; r ++) {
160 gotoxy (0, r);
161 putch (186);
162 }
163
164 for (r = 1; r < 20; r ++) {
165 gotoxy (26, r);
166 putch (186);
167 }
168
169 putch ('\n');
170
171 // levy dolni roh
172 putch (200);
173
174 for (r = 0; r < 25; r ++)
175 putch (205);
176
177 // pravy dolni roh
178 putch (188);
179
180
181 /* display */
182
183 // levy horni roh
184 gotoxy (2, 2);
185 putch (218);
186
187 for (r = 0; r < 21; r ++)
188 putch (196);
189
190 // pravy horni roh
191 putch (191);
192
193 gotoxy (2, 3);
194 putch (179);
195
196 gotoxy (24, 3);
197 putch (179);
198
199 // levy dolni roh
200 gotoxy (2, 4);
201 putch (192);
202
203 for (r = 0; r < 21; r ++)
204 putch (196);
205
206 // pravy dolni roh
207 putch (217);
208 }
209
210 void display_write (char *str)
211 {
212 /* clear display */
213 gotoxy (3, 3);
214 /* for (r = 0; r < 21; r ++)
215 putch (' ');*/
216
217 //unsigned l = strlen (str);
218
219 //gotoxy (24-l, 3);
220 printf (str);
221 }
222
223 unsigned buf_i = 0;
224 unsigned key_handler ()
225 {
226 int scancode = getkey ();
227
228 if (!scancode)
229 return 2;
230
231 if (buf_i)
232 display_write (buf);
233
234 char key = 0;
235 switch (scancode) {
236 case ESC:
237 return 0;
238 case ARROWUP:
239 if (curr_button_y > 0)
240 curr_button_y --;
241
242 break;
243 case ARROWDOWN:
244 if (curr_button_y < 3)
245 curr_button_y ++;
246 break;
247 case ARROWLEFT:
248 if (curr_button_x > 0)
249 curr_button_x --;
250 break;
251 case ARROWRIGHT:
252 if (curr_button_x < 3)
253 curr_button_x ++;
254 break;
255 case ENTER:
256 /* 7 */
257 if (curr_button_x == 0 && curr_button_y == 1) {
258 buf[buf_i] = '7';
259 buf_i ++;
260 buf[buf_i+1] = '\0';
261 break;
262 }
263 /* 8 */
264 if (curr_button_x == 1 && curr_button_y == 1) {
265 buf[buf_i] = '8';
266 buf_i ++;
267 buf[buf_i+1] = '\0';
268 break;
269 }
270 /* 9 */
271 if (curr_button_x == 2 && curr_button_y == 1) {
272 buf[buf_i] = '9';
273 buf_i ++;
274 buf[buf_i+1] = '\0';
275 break;
276 }
277 /* 4 */
278 if (curr_button_x == 0 && curr_button_y == 2) {
279 buf[buf_i] = '4';
280 buf_i ++;
281 buf[buf_i+1] = '\0';
282 break;
283 }
284 /* 5 */
285 if (curr_button_x == 1 && curr_button_y == 2) {
286 buf[buf_i] = '5';
287 buf_i ++;
288 buf[buf_i+1] = '\0';
289 break;
290 }
291 /* 6 */
292 if (curr_button_x == 2 && curr_button_y == 2) {
293 buf[buf_i] = '6';
294 buf_i ++;
295 buf[buf_i+1] = '\0';
296 break;
297 }
298 /* 1 */
299 if (curr_button_x == 0 && curr_button_y == 3) {
300 buf[buf_i] = '1';
301 buf_i ++;
302 buf[buf_i+1] = '\0';
303 break;
304 }
305 /* 2 */
306 if (curr_button_x == 1 && curr_button_y == 3) {
307 buf[buf_i] = '2';
308 buf_i ++;
309 buf[buf_i+1] = '\0';
310 break;
311 }
312 /* 3 */
313 if (curr_button_x == 2 && curr_button_y == 3) {
314 buf[buf_i] = '3';
315 buf_i ++;
316 buf[buf_i+1] = '\0';
317 break;
318 }
319 /* 0 */
320 if (curr_button_x == 3 && curr_button_y == 2) {
321 buf[buf_i] = '0';
322 buf_i ++;
323 buf[buf_i+1] = '\0';
324 break;
325 }
326
327 /* + */
328 if (curr_button_x == 3 && curr_button_y == 0) {
329 if (buf_i > 0)
330 break;
331
332 number += atoi (buf);
333
334 //memset (buf, 0, 15);
335 itoa (number, buf, 10);
336 //buf[15] = '\0';
337 //display_write (buf);
338 //buf_i = strlen (buf);
339 break;
340 }
341
342 /* = */
343 if (curr_button_x == 3 && curr_button_y == 3) {
344 if (buf_i > 0)
345 break;
346
347 //memset (buf, 0, 15);
348 itoa (number, buf, 10);
349 //gotoxy (3,3);
350 printf (buf);
351 sleep (5);
352 //buf_i = strlen (buf);
353 break;
354 }
355
356 break;
357 }
358
359 key = getch ();
360 if (key >= '0' && key <= '9') {
361 buf[buf_i] = key;
362 buf_i ++;
363 buf[buf_i+1] = '\0';
364 //gotoxy (3,3);
365 //unsigned x = 0;
366 //for (x = 0; x < buf_i; x ++)
367 // putch (buf[x]);
368 }
369
370 /*
371 // 1. lajna
372 draw_button (2, 7, 0, '/');
373 draw_button (8, 7, 0, '*');
374 draw_button (14, 7, 0, '-');
375 draw_button (20, 7, 0, '+');
376
377 // 2. lajna
378 draw_button (2, 10, 0, '7');
379 draw_button (8, 10, 0, '8');
380 draw_button (14, 10, 0, '9');
381 draw_button (20, 10, 0, 'C');
382
383 // 3. lajna
384 draw_button (2, 13, 0, '4');
385 draw_button (8, 13, 0, '5');
386 draw_button (14, 13, 0, '6');
387 draw_button (20, 13, 0, '0');
388
389 // 4. lajna
390 draw_button (2, 16, 0, '1');
391 draw_button (8, 16, 0, '2');
392 draw_button (14, 16, 0, '3');
393 draw_button (20, 16, 0, '=');
394 */
395
396 if (curr_button_x == 0 && curr_button_y == 0)
397 draw_button (2, 7, 1, '/');
398 else
399 draw_button (2, 7, 0, '/');
400
401 if (curr_button_x == 1 && curr_button_y == 0)
402 draw_button (8, 7, 1, '*');
403 else
404 draw_button (8, 7, 0, '*');
405
406 if (curr_button_x == 2 && curr_button_y == 0)
407 draw_button (14, 7, 1, '-');
408 else
409 draw_button (14, 7, 0, '-');
410
411 if (curr_button_x == 3 && curr_button_y == 0)
412 draw_button (20, 7, 1, '+');
413 else
414 draw_button (20, 7, 0, '+');
415
416 if (curr_button_x == 0 && curr_button_y == 1)
417 draw_button (2, 10, 1, '7');
418 else
419 draw_button (2, 10, 0, '7');
420
421 if (curr_button_x == 1 && curr_button_y == 1)
422 draw_button (8, 10, 1, '8');
423 else
424 draw_button (8, 10, 0, '8');
425
426 if (curr_button_x == 2 && curr_button_y == 1)
427 draw_button (14, 10, 1, '9');
428 else
429 draw_button (14, 10, 0, '9');
430
431 if (curr_button_x == 3 && curr_button_y == 1)
432 draw_button (20, 10, 1, 'C');
433 else
434 draw_button (20, 10, 0, 'C');
435
436 if (curr_button_x == 0 && curr_button_y == 2)
437 draw_button (2, 13, 1, '4');
438 else
439 draw_button (2, 13, 0, '4');
440
441 if (curr_button_x == 1 && curr_button_y == 2)
442 draw_button (8, 13, 1, '5');
443 else
444 draw_button (8, 13, 0, '5');
445
446 if (curr_button_x == 2 && curr_button_y == 2)
447 draw_button (14, 13, 1, '6');
448 else
449 draw_button (14, 13, 0, '6');
450
451 if (curr_button_x == 3 && curr_button_y == 2)
452 draw_button (20, 13, 1, '0');
453 else
454 draw_button (20, 13, 0, '0');
455
456 if (curr_button_x == 0 && curr_button_y == 3)
457 draw_button (2, 16, 1, '1');
458 else
459 draw_button (2, 16, 0, '1');
460
461 if (curr_button_x == 1 && curr_button_y == 3)
462 draw_button (8, 16, 1, '2');
463 else
464 draw_button (8, 16, 0, '2');
465
466 if (curr_button_x == 2 && curr_button_y == 3)
467 draw_button (14, 16, 1, '3');
468 else
469 draw_button (14, 16, 0, '3');
470
471 if (curr_button_x == 3 && curr_button_y == 3)
472 draw_button (20, 16, 1, '=');
473 else
474 draw_button (20, 16, 0, '=');
475
476 setcolor (15, 0);
477
478 draw_calc ();
479
480 return 1;
481 }
482
483 void textualgui ()
484 {
485 draw_calc ();
486
487 //display_write ("Ahoj svete !!");
488
489 unsigned t = 1;
490 curr_button_x = 0;
491 curr_button_y = 0;
492 buf_i = 0;
493
494 buf = (char *) malloc (sizeof (char) * 16);
495 buf[0] = '\0';
496 buf[1] = '\0';
497 buf[2] = '\0';
498 buf_len = 0;
499
500 number = 0;
501
502 while (1) {
503 if (t > 1000) {
504 /* exit app */
505 if (!key_handler ())
506 break;
507
508 t = 0;
509 }
510
511 schedule ();
512 t ++;
513 }
514 }
515
516 void textual ()
517 {
518 int a = 0, b = 0;
519 int res = 0;
520 char oper = 0;
521
522 buf = (char *) malloc (sizeof (char) * 16);
523
524 printf ("Calc\n\n");
525
526 printf ("\nType first number: ");
527 a = number_get ();
528
529 printf ("\nSecond number: ");
530 b = number_get ();
531
532 printf ("\nChoose operation (+,-,*,/): ");
533
534 oper = opt_get ();
535
536 if (oper == '+')
537 res = a + b;
538 else if (oper == '-')
539 res = a - b;
540 else if (oper == '*')
541 res = a * b;
542 else if (oper == '/')
543 res = a / b;
544
545 printf ("\nResult: %d\n", res);
546
547 free (buf);
548 }
549
550 int main (int argc, char **argv) // like main in a normal C program
551 {
552 cls ();
553
554 if (argc > 1) {
555 if (!strcmp (argv[1], "-g"))
556 textualgui ();
557 } else
558 textual ();
559
560 return 0;
561 }
Operating System