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45f6c4fd | 1 | #include "config.h" |
2 | ||
4bb1be99 | 3 | #include <sys/types.h> |
4 | ||
139f06bc | 5 | #include <slang.h> |
6fb96a3f | 6 | #include <stdarg.h> |
7 | #include <stdlib.h> | |
4bb1be99 | 8 | #ifdef HAVE_SYS_SELECT_H |
d02ffb49 | 9 | #include <sys/select.h> |
4bb1be99 | 10 | #endif |
e67a6cab | 11 | #include <sys/time.h> |
6fb96a3f | 12 | |
33b9b6eb | 13 | #ifdef USE_GPM |
14 | #include <ctype.h> | |
15 | #include <sys/time.h> /* timeval */ | |
33b9b6eb | 16 | #include <sys/socket.h> /* socket() */ |
17 | #include <sys/un.h> /* struct sockaddr_un */ | |
18 | #include <sys/fcntl.h> /* O_RDONLY */ | |
19 | #include <sys/stat.h> /* stat() */ | |
20 | #include <termios.h> /* winsize */ | |
21 | #include <unistd.h> | |
22 | #include <sys/kd.h> /* KDGETMODE */ | |
23 | #include <signal.h> | |
24 | #include <stdio.h> | |
45f6c4fd | 25 | #endif |
26 | ||
6fb96a3f | 27 | #include "newt.h" |
28 | #include "newt_pr.h" | |
29 | ||
33b9b6eb | 30 | #ifdef USE_GPM |
31 | /*....................................... The connection data structure */ | |
32 | ||
33 | typedef struct Gpm_Connect { | |
34 | unsigned short eventMask, defaultMask; | |
35 | unsigned short minMod, maxMod; | |
36 | int pid; | |
37 | int vc; | |
38 | } Gpm_Connect; | |
39 | ||
40 | /*....................................... Stack struct */ | |
41 | typedef struct Gpm_Stst { | |
42 | Gpm_Connect info; | |
43 | struct Gpm_Stst *next; | |
44 | } Gpm_Stst; | |
45 | ||
46 | enum Gpm_Etype { | |
47 | GPM_MOVE=1, | |
48 | GPM_DRAG=2, /* exactly one of the bare ones is active at a time */ | |
49 | GPM_DOWN=4, | |
50 | GPM_UP= 8, | |
51 | ||
52 | #define GPM_BARE_EVENTS(type) ((type)&(0x0f|GPM_ENTER|GPM_LEAVE)) | |
53 | ||
54 | GPM_SINGLE=16, /* at most one in three is set */ | |
55 | GPM_DOUBLE=32, | |
56 | GPM_TRIPLE=64, /* WARNING: I depend on the values */ | |
57 | ||
58 | GPM_MFLAG=128, /* motion during click? */ | |
59 | GPM_HARD=256, /* if set in the defaultMask, force an already | |
60 | used event to pass over to another handler */ | |
61 | ||
62 | GPM_ENTER=512, /* enter event, user in Roi's */ | |
63 | GPM_LEAVE=1024 /* leave event, used in Roi's */ | |
64 | }; | |
65 | ||
66 | /*....................................... The reported event */ | |
67 | ||
68 | enum Gpm_Margin {GPM_TOP=1, GPM_BOT=2, GPM_LFT=4, GPM_RGT=8}; | |
69 | ||
70 | typedef struct Gpm_Event { | |
71 | unsigned char buttons, modifiers; /* try to be a multiple of 4 */ | |
72 | unsigned short vc; | |
73 | short dx, dy, x, y; | |
74 | enum Gpm_Etype type; | |
75 | int clicks; | |
76 | enum Gpm_Margin margin; | |
77 | } Gpm_Event; | |
78 | ||
79 | static int Gpm_Open(Gpm_Connect *conn, int flag); | |
80 | static int Gpm_Close(void); | |
81 | ||
82 | static int gpm_fd=-1; | |
83 | static int gpm_flag=0; | |
84 | static int gpm_tried=0; | |
85 | Gpm_Stst *gpm_stack=NULL; | |
86 | static struct sigaction gpm_saved_suspend_hook; | |
87 | static struct sigaction gpm_saved_winch_hook; | |
88 | ||
89 | #define GPM_XTERM_ON | |
90 | #define GPM_XTERM_OFF | |
91 | #define GPM_NODE_DEV "/dev/gpmctl" | |
92 | #define GPM_NODE_CTL GPM_NODE_DEV | |
93 | ||
94 | static inline int putdata(int where, Gpm_Connect *what) | |
95 | { | |
96 | if (write(where,what,sizeof(Gpm_Connect))!=sizeof(Gpm_Connect)) | |
97 | { | |
98 | return -1; | |
99 | } | |
100 | return 0; | |
101 | } | |
102 | ||
103 | static void gpm_winch_hook (int signum) | |
104 | { | |
105 | if (SIG_IGN != gpm_saved_winch_hook.sa_handler && | |
106 | SIG_DFL != gpm_saved_winch_hook.sa_handler) { | |
107 | gpm_saved_winch_hook.sa_handler(signum); | |
108 | } /*if*/ | |
109 | } | |
110 | ||
111 | static void gpm_suspend_hook (int signum) | |
112 | { | |
113 | Gpm_Connect gpm_connect; | |
114 | sigset_t old_sigset; | |
115 | sigset_t new_sigset; | |
116 | struct sigaction sa; | |
117 | int success; | |
118 | ||
119 | sigemptyset (&new_sigset); | |
120 | sigaddset (&new_sigset, SIGTSTP); | |
121 | sigprocmask (SIG_BLOCK, &new_sigset, &old_sigset); | |
122 | ||
123 | /* Open a completely transparent gpm connection */ | |
124 | gpm_connect.eventMask = 0; | |
125 | gpm_connect.defaultMask = ~0; | |
126 | gpm_connect.minMod = ~0; | |
127 | gpm_connect.maxMod = 0; | |
128 | /* cannot do this under xterm, tough */ | |
129 | success = (Gpm_Open (&gpm_connect, 0) >= 0); | |
130 | ||
131 | /* take the default action, whatever it is (probably a stop :) */ | |
132 | sigprocmask (SIG_SETMASK, &old_sigset, 0); | |
133 | sigaction (SIGTSTP, &gpm_saved_suspend_hook, 0); | |
134 | kill (getpid (), SIGTSTP); | |
135 | ||
136 | /* in bardo here */ | |
137 | ||
138 | /* Reincarnation. Prepare for another death early. */ | |
139 | sigemptyset(&sa.sa_mask); | |
140 | sa.sa_handler = gpm_suspend_hook; | |
141 | sa.sa_flags = SA_NOMASK; | |
142 | sigaction (SIGTSTP, &sa, 0); | |
143 | ||
144 | /* Pop the gpm stack by closing the useless connection */ | |
145 | /* but do it only when we know we opened one.. */ | |
146 | if (success) { | |
147 | Gpm_Close (); | |
148 | } /*if*/ | |
149 | } | |
150 | ||
151 | static int Gpm_Open(Gpm_Connect *conn, int flag) | |
152 | { | |
153 | char tty[32]; | |
154 | char *term; | |
155 | int i; | |
156 | struct sockaddr_un addr; | |
157 | Gpm_Stst *new; | |
158 | char* sock_name = 0; | |
159 | ||
160 | /*....................................... First of all, check xterm */ | |
161 | ||
162 | if ((term=(char *)getenv("TERM")) && !strncmp(term,"xterm",5)) | |
163 | { | |
164 | if (gpm_tried) return gpm_fd; /* no stack */ | |
165 | gpm_fd=-2; | |
166 | GPM_XTERM_ON; | |
167 | gpm_flag=1; | |
168 | return gpm_fd; | |
169 | } | |
170 | /*....................................... No xterm, go on */ | |
171 | ||
172 | ||
173 | /* | |
174 | * So I chose to use the current tty, instead of /dev/console, which | |
175 | * has permission problems. (I am fool, and my console is | |
176 | * readable/writeable by everybody. | |
177 | * | |
178 | * However, making this piece of code work has been a real hassle. | |
179 | */ | |
180 | ||
181 | if (!gpm_flag && gpm_tried) return -1; | |
182 | gpm_tried=1; /* do or die */ | |
183 | ||
184 | new=malloc(sizeof(Gpm_Stst)); | |
185 | if (!new) return -1; | |
186 | ||
187 | new->next=gpm_stack; | |
188 | gpm_stack=new; | |
189 | ||
190 | conn->pid=getpid(); /* fill obvious values */ | |
191 | ||
192 | if (new->next) | |
193 | conn->vc=new->next->info.vc; /* inherit */ | |
194 | else | |
195 | { | |
196 | conn->vc=0; /* default handler */ | |
197 | if (flag>0) | |
198 | { /* forced vc number */ | |
199 | conn->vc=flag; | |
200 | sprintf(tty,"/dev/tty%i",flag); | |
201 | } | |
202 | else if (flag==0) /* use your current vc */ | |
203 | { | |
204 | char *t = ttyname(0); /* stdin */ | |
205 | if (!t) t = ttyname(1); /* stdout */ | |
206 | if (!t) goto err; | |
207 | strcpy(tty,t); | |
208 | if (strncmp(tty,"/dev/tty",8) || !isdigit(tty[8])) | |
209 | goto err; | |
210 | conn->vc=atoi(tty+8); | |
211 | } | |
212 | else /* a default handler -- use console */ | |
213 | sprintf(tty,"/dev/tty0"); | |
214 | ||
215 | } | |
216 | ||
217 | new->info=*conn; | |
218 | ||
219 | /*....................................... Connect to the control socket */ | |
220 | ||
221 | if (!(gpm_flag++)) | |
222 | { | |
223 | ||
224 | if ( (gpm_fd=socket(AF_UNIX,SOCK_STREAM,0))<0 ) | |
225 | { | |
226 | goto err; | |
227 | } | |
228 | ||
229 | bzero((char *)&addr,sizeof(addr)); | |
230 | addr.sun_family=AF_UNIX; | |
231 | if (!(sock_name = tempnam (0, "gpm"))) { | |
232 | goto err; | |
233 | } /*if*/ | |
234 | strncpy (addr.sun_path, sock_name, sizeof (addr.sun_path)); | |
235 | if (bind (gpm_fd, (struct sockaddr*)&addr, | |
236 | sizeof (addr.sun_family) + strlen (addr.sun_path))==-1) { | |
237 | goto err; | |
238 | } /*if*/ | |
239 | ||
240 | bzero((char *)&addr,sizeof(addr)); | |
241 | addr.sun_family=AF_UNIX; | |
242 | strcpy(addr.sun_path, GPM_NODE_CTL); | |
243 | i=sizeof(addr.sun_family)+strlen(GPM_NODE_CTL); | |
244 | ||
245 | if ( connect(gpm_fd,(struct sockaddr *)(&addr),i)<0 ) | |
246 | { | |
247 | struct stat stbuf; | |
248 | ||
249 | /* | |
250 | * Well, try to open a chr device called /dev/gpmctl. This should | |
251 | * be forward-compatible with a kernel server | |
252 | */ | |
253 | close(gpm_fd); /* the socket */ | |
254 | if ((gpm_fd=open(GPM_NODE_DEV,O_RDWR))==-1) { | |
255 | goto err; | |
256 | } /*if*/ | |
257 | if (fstat(gpm_fd,&stbuf)==-1 || (stbuf.st_mode&S_IFMT)!=S_IFCHR) | |
258 | goto err; | |
259 | } | |
260 | } | |
261 | /*....................................... Put your data */ | |
262 | ||
263 | if (putdata(gpm_fd,conn)!=-1) | |
264 | { | |
265 | /* itz Wed Dec 16 23:22:16 PST 1998 use sigaction, the old | |
266 | code caused a signal loop under XEmacs */ | |
267 | struct sigaction sa; | |
268 | sigemptyset(&sa.sa_mask); | |
269 | ||
270 | #if (defined(SIGWINCH)) | |
271 | /* And the winch hook .. */ | |
272 | sa.sa_handler = gpm_winch_hook; | |
273 | sa.sa_flags = 0; | |
274 | sigaction(SIGWINCH, &sa, &gpm_saved_winch_hook); | |
275 | #endif | |
276 | ||
277 | #if (defined(SIGTSTP)) | |
278 | if (gpm_flag == 1) { | |
279 | /* Install suspend hook */ | |
280 | sa.sa_handler = SIG_IGN; | |
281 | sigaction(SIGTSTP, &sa, &gpm_saved_suspend_hook); | |
282 | ||
283 | /* if signal was originally ignored, job control is not supported */ | |
284 | if (gpm_saved_suspend_hook.sa_handler != SIG_IGN) { | |
285 | sa.sa_flags = SA_NOMASK; | |
286 | sa.sa_handler = gpm_suspend_hook; | |
287 | sigaction(SIGTSTP, &sa, 0); | |
288 | } /*if*/ | |
289 | } /*if*/ | |
290 | #endif | |
291 | ||
292 | } /*if*/ | |
293 | return gpm_fd; | |
294 | ||
295 | /*....................................... Error: free all memory */ | |
296 | err: | |
297 | do | |
298 | { | |
299 | new=gpm_stack->next; | |
300 | free(gpm_stack); | |
301 | gpm_stack=new; | |
302 | } | |
303 | while(gpm_stack); | |
304 | if (gpm_fd>=0) close(gpm_fd); | |
305 | if (sock_name) { | |
306 | unlink(sock_name); | |
307 | free(sock_name); | |
308 | sock_name = 0; | |
309 | } /*if*/ | |
310 | gpm_flag=0; | |
311 | return -1; | |
312 | } | |
313 | ||
314 | /*-------------------------------------------------------------------*/ | |
315 | static int Gpm_Close(void) | |
316 | { | |
317 | Gpm_Stst *next; | |
318 | ||
319 | gpm_tried=0; /* reset the error flag for next time */ | |
320 | if (gpm_fd==-2) /* xterm */ | |
321 | GPM_XTERM_OFF; | |
322 | else /* linux */ | |
323 | { | |
324 | if (!gpm_flag) return 0; | |
325 | next=gpm_stack->next; | |
326 | free(gpm_stack); | |
327 | gpm_stack=next; | |
328 | if (next) | |
329 | putdata(gpm_fd,&(next->info)); | |
330 | ||
331 | if (--gpm_flag) return -1; | |
332 | } | |
333 | ||
334 | if (gpm_fd>=0) close(gpm_fd); | |
335 | gpm_fd=-1; | |
336 | #ifdef SIGTSTP | |
337 | sigaction(SIGTSTP, &gpm_saved_suspend_hook, 0); | |
338 | #endif | |
339 | #ifdef SIGWINCH | |
340 | sigaction(SIGWINCH, &gpm_saved_winch_hook, 0); | |
341 | #endif | |
342 | return 0; | |
343 | } | |
344 | ||
345 | /*-------------------------------------------------------------------*/ | |
346 | static int Gpm_GetEvent(Gpm_Event *event) | |
347 | { | |
348 | int count; | |
349 | ||
350 | if (!gpm_flag) return 0; | |
351 | ||
352 | if ((count=read(gpm_fd,event,sizeof(Gpm_Event)))!=sizeof(Gpm_Event)) | |
353 | { | |
354 | if (count==0) | |
355 | { | |
356 | Gpm_Close(); | |
357 | return 0; | |
358 | } | |
359 | return -1; | |
360 | } | |
361 | return 1; | |
362 | } | |
363 | #endif | |
364 | ||
f5daa14e | 365 | /**************************************************************************** |
45f6c4fd | 366 | These forms handle vertical scrolling of components with a height of 1 |
367 | ||
f5daa14e | 368 | Horizontal scrolling won't work, and scrolling large widgets will fail |
369 | miserably. It shouldn't be too hard to fix either of those if anyone | |
370 | cares to. I only use scrolling for listboxes and text boxes though so | |
371 | I didn't bother. | |
372 | *****************************************************************************/ | |
373 | ||
374 | struct element { | |
6f481af2 | 375 | int top, left; /* Actual, not virtual. These are translated */ |
376 | newtComponent co; /* into actual through vertOffset */ | |
f5daa14e | 377 | }; |
378 | ||
d02ffb49 | 379 | struct fdInfo { |
380 | int fd; | |
381 | int flags; | |
382 | }; | |
383 | ||
c4827b34 | 384 | struct form { |
6fb96a3f | 385 | int numCompsAlloced; |
f5daa14e | 386 | struct element * elements; |
6fb96a3f | 387 | int numComps; |
388 | int currComp; | |
8c4e1047 | 389 | int fixedHeight; |
02b180e8 | 390 | int flags; |
f5daa14e | 391 | int vertOffset; |
02b180e8 | 392 | newtComponent vertBar, exitComp; |
d4109c37 | 393 | const char * help; |
f1f3611f | 394 | int numRows; |
da151ca8 | 395 | int * hotKeys; |
396 | int numHotKeys; | |
8f4e87fc | 397 | int background; |
3da9c9a2 | 398 | int beenSet; |
d02ffb49 | 399 | int numFds; |
400 | struct fdInfo * fds; | |
401 | int maxFd; | |
e67a6cab | 402 | int timer; /* in milliseconds */ |
403 | struct timeval lastTimeout; | |
72b71fa6 | 404 | void * helpTag; |
405 | newtCallback helpCb; | |
6fb96a3f | 406 | }; |
407 | ||
c4827b34 | 408 | static void gotoComponent(struct form * form, int newComp); |
409 | static struct eventResult formEvent(newtComponent co, struct event ev); | |
434c766b | 410 | static struct eventResult sendEvent(newtComponent comp, struct event ev); |
8f52cd47 | 411 | static void formPlace(newtComponent co, int left, int top); |
c4827b34 | 412 | |
72b71fa6 | 413 | /* Global, ick */ |
414 | static newtCallback helpCallback; | |
415 | ||
8f52cd47 | 416 | /* this isn't static as grid.c tests against it to find forms */ |
417 | struct componentOps formOps = { | |
8b68158d | 418 | newtDrawForm, |
c4827b34 | 419 | formEvent, |
420 | newtFormDestroy, | |
8f52cd47 | 421 | formPlace, |
422 | newtDefaultMappedHandler, | |
c4827b34 | 423 | } ; |
424 | ||
0593cb33 ML |
425 | int needResize = 0; |
426 | ||
f5daa14e | 427 | static inline int componentFits(newtComponent co, int compNum) { |
428 | struct form * form = co->data; | |
429 | struct element * el = form->elements + compNum; | |
430 | ||
431 | if ((co->top + form->vertOffset) > el->top) return 0; | |
432 | if ((co->top + form->vertOffset + co->height) < | |
6f481af2 | 433 | (el->top + el->co->height)) return 0; |
f5daa14e | 434 | |
435 | return 1; | |
436 | } | |
437 | ||
72b71fa6 | 438 | newtComponent newtForm(newtComponent vertBar, void * help, int flags) { |
c4827b34 | 439 | newtComponent co; |
440 | struct form * form; | |
441 | ||
442 | co = malloc(sizeof(*co)); | |
443 | form = malloc(sizeof(*form)); | |
444 | co->data = form; | |
445 | co->width = 0; | |
446 | co->height = 0; | |
447 | co->top = -1; | |
448 | co->left = -1; | |
3da9c9a2 | 449 | co->isMapped = 0; |
c4827b34 | 450 | |
6f481af2 | 451 | co->takesFocus = 0; /* we may have 0 components */ |
c4827b34 | 452 | co->ops = &formOps; |
c101e99e | 453 | co->destroyCallback = NULL; |
6fb96a3f | 454 | |
02b180e8 | 455 | form->help = help; |
456 | form->flags = flags; | |
6fb96a3f | 457 | form->numCompsAlloced = 5; |
458 | form->numComps = 0; | |
459 | form->currComp = -1; | |
f5daa14e | 460 | form->vertOffset = 0; |
8c4e1047 | 461 | form->fixedHeight = 0; |
f1f3611f | 462 | form->numRows = 0; |
d02ffb49 | 463 | form->numFds = 0; |
464 | form->maxFd = 0; | |
465 | form->fds = NULL; | |
3da9c9a2 | 466 | form->beenSet = 0; |
f5daa14e | 467 | form->elements = malloc(sizeof(*(form->elements)) * form->numCompsAlloced); |
6fb96a3f | 468 | |
8f4e87fc | 469 | form->background = COLORSET_WINDOW; |
da151ca8 | 470 | form->hotKeys = malloc(sizeof(int)); |
471 | form->numHotKeys = 0; | |
73390860 | 472 | form->timer = 0; |
473 | form->lastTimeout.tv_sec = form->lastTimeout.tv_usec = 0; | |
4a93351d | 474 | if (!(form->flags & NEWT_FLAG_NOF12)) { |
6f481af2 | 475 | newtFormAddHotKey(co, NEWT_KEY_F12); |
da151ca8 | 476 | } |
477 | ||
02b180e8 | 478 | if (vertBar) |
6f481af2 | 479 | form->vertBar = vertBar; |
f1f3611f | 480 | else |
6f481af2 | 481 | form->vertBar = NULL; |
f1f3611f | 482 | |
72b71fa6 | 483 | form->helpTag = help; |
484 | form->helpCb = helpCallback; | |
485 | ||
c4827b34 | 486 | return co; |
6fb96a3f | 487 | } |
488 | ||
2a2998a0 | 489 | newtComponent newtFormGetCurrent(newtComponent co) { |
490 | struct form * form = co->data; | |
491 | ||
d78245ab | 492 | if (form->currComp == -1) return 0; |
2a2998a0 | 493 | return form->elements[form->currComp].co; |
494 | } | |
495 | ||
7ea3dccd | 496 | void newtFormSetCurrent(newtComponent co, newtComponent subco) { |
497 | struct form * form = co->data; | |
498 | int i, new; | |
499 | ||
500 | for (i = 0; i < form->numComps; i++) { | |
6f481af2 | 501 | if (form->elements[i].co == subco) break; |
7ea3dccd | 502 | } |
503 | ||
504 | if (form->elements[i].co != subco) return; | |
505 | new = i; | |
506 | ||
3da9c9a2 | 507 | if (co->isMapped && !componentFits(co, new)) { |
6f481af2 | 508 | gotoComponent(form, -1); |
509 | form->vertOffset = form->elements[new].top - co->top - 1; | |
510 | if (form->vertOffset > (form->numRows - co->height)) | |
511 | form->vertOffset = form->numRows - co->height; | |
7ea3dccd | 512 | } |
513 | ||
514 | gotoComponent(form, new); | |
515 | } | |
516 | ||
e67a6cab | 517 | void newtFormSetTimer(newtComponent co, int millisecs) { |
518 | struct form * form = co->data; | |
519 | ||
520 | form->timer = millisecs; | |
73390860 | 521 | form->lastTimeout.tv_usec = 0; |
522 | form->lastTimeout.tv_sec = 0; | |
e67a6cab | 523 | } |
524 | ||
8c4e1047 | 525 | void newtFormSetHeight(newtComponent co, int height) { |
f5daa14e | 526 | struct form * form = co->data; |
527 | ||
8c4e1047 | 528 | form->fixedHeight = 1; |
f5daa14e | 529 | co->height = height; |
530 | } | |
531 | ||
ea947804 | 532 | void newtFormSetWidth(newtComponent co, int width) { |
533 | co->width = width; | |
534 | } | |
535 | ||
c4827b34 | 536 | void newtFormAddComponent(newtComponent co, newtComponent newco) { |
537 | struct form * form = co->data; | |
6fb96a3f | 538 | |
8f52cd47 | 539 | co->takesFocus = 1; |
540 | ||
6fb96a3f | 541 | if (form->numCompsAlloced == form->numComps) { |
6f481af2 | 542 | form->numCompsAlloced += 5; |
543 | form->elements = realloc(form->elements, | |
544 | sizeof(*(form->elements)) * form->numCompsAlloced); | |
6fb96a3f | 545 | } |
546 | ||
f7540d34 | 547 | /* we grab real values for these a bit later */ |
548 | form->elements[form->numComps].left = -2; | |
549 | form->elements[form->numComps].top = -2; | |
f5daa14e | 550 | form->elements[form->numComps].co = newco; |
f1f3611f | 551 | |
552 | if (newco->takesFocus && form->currComp == -1) | |
6f481af2 | 553 | form->currComp = form->numComps; |
f1f3611f | 554 | |
f5daa14e | 555 | form->numComps++; |
6fb96a3f | 556 | } |
557 | ||
c4827b34 | 558 | void newtFormAddComponents(newtComponent co, ...) { |
6fb96a3f | 559 | va_list ap; |
c4827b34 | 560 | newtComponent subco; |
6fb96a3f | 561 | |
c4827b34 | 562 | va_start(ap, co); |
6fb96a3f | 563 | |
c4827b34 | 564 | while ((subco = va_arg(ap, newtComponent))) |
6f481af2 | 565 | newtFormAddComponent(co, subco); |
45f6c4fd | 566 | |
6fb96a3f | 567 | va_end(ap); |
568 | } | |
569 | ||
8f52cd47 | 570 | static void formPlace(newtComponent co, int left, int top) { |
571 | struct form * form = co->data; | |
572 | int vertDelta, horizDelta; | |
573 | struct element * el; | |
574 | int i; | |
575 | ||
576 | newtFormSetSize(co); | |
577 | ||
578 | vertDelta = top - co->top; | |
579 | horizDelta = left - co->left; | |
580 | co->top = top; | |
581 | co->left = left; | |
582 | ||
583 | for (i = 0, el = form->elements; i < form->numComps; i++, el++) { | |
6f481af2 | 584 | el->co->top += vertDelta; |
585 | el->top += vertDelta; | |
586 | el->co->left += horizDelta; | |
587 | el->left += horizDelta; | |
8f52cd47 | 588 | } |
589 | } | |
590 | ||
8b68158d | 591 | void newtDrawForm(newtComponent co) { |
c4827b34 | 592 | struct form * form = co->data; |
f5daa14e | 593 | struct element * el; |
6fb96a3f | 594 | int i; |
6fb96a3f | 595 | |
3da9c9a2 | 596 | newtFormSetSize(co); |
597 | ||
8f4e87fc | 598 | SLsmg_set_color(form->background); |
a1331450 | 599 | newtClearBox(co->left, co->top, co->width, co->height); |
7ff5fd71 | 600 | |
f5daa14e | 601 | for (i = 0, el = form->elements; i < form->numComps; i++, el++) { |
6f481af2 | 602 | /* the scrollbar *always* fits somewhere */ |
603 | if (el->co == form->vertBar) { | |
604 | el->co->ops->mapped(el->co, 1); | |
605 | el->co->ops->draw(el->co); | |
606 | } else { | |
607 | /* only draw it if it'll fit on the screen vertically */ | |
608 | if (componentFits(co, i)) { | |
609 | el->co->top = el->top - form->vertOffset; | |
610 | el->co->ops->mapped(el->co, 1); | |
611 | el->co->ops->draw(el->co); | |
612 | } else { | |
613 | el->co->ops->mapped(el->co, 0); | |
614 | } | |
615 | } | |
6fb96a3f | 616 | } |
f1f3611f | 617 | |
618 | if (form->vertBar) | |
6f481af2 | 619 | newtScrollbarSet(form->vertBar, form->vertOffset, |
620 | form->numRows - co->height); | |
c4827b34 | 621 | } |
6fb96a3f | 622 | |
c4827b34 | 623 | static struct eventResult formEvent(newtComponent co, struct event ev) { |
624 | struct form * form = co->data; | |
f5daa14e | 625 | newtComponent subco = form->elements[form->currComp].co; |
d1a682d1 | 626 | int new, wrap = 0; |
c4827b34 | 627 | struct eventResult er; |
d1a682d1 | 628 | int dir = 0, page = 0; |
45f6c4fd | 629 | int i, num, found; |
630 | struct element * el; | |
6fb96a3f | 631 | |
c4827b34 | 632 | er.result = ER_IGNORED; |
8f52cd47 | 633 | if (!form->numComps) return er; |
634 | ||
d78245ab | 635 | if (form->currComp == -1) return er; |
6fb96a3f | 636 | |
434c766b | 637 | switch (ev.when) { |
638 | case EV_EARLY: | |
6f481af2 | 639 | if (ev.event == EV_KEYPRESS) { |
640 | if (ev.u.key == NEWT_KEY_TAB) { | |
641 | er.result = ER_SWALLOWED; | |
642 | dir = 1; | |
643 | wrap = 1; | |
644 | } else if (ev.u.key == NEWT_KEY_UNTAB) { | |
645 | er.result = ER_SWALLOWED; | |
646 | dir = -1; | |
647 | wrap = 1; | |
648 | } | |
649 | } | |
650 | ||
651 | if (form->numComps) { | |
652 | i = form->currComp; | |
653 | num = 0; | |
654 | while (er.result == ER_IGNORED && num != form->numComps ) { | |
655 | er = form->elements[i].co->ops->event(form->elements[i].co, ev); | |
656 | ||
657 | num++; | |
658 | i++; | |
659 | if (i == form->numComps) i = 0; | |
660 | } | |
661 | } | |
662 | ||
663 | break; | |
45f6c4fd | 664 | |
434c766b | 665 | case EV_NORMAL: |
6f481af2 | 666 | if (ev.event == EV_MOUSE) { |
667 | found = 0; | |
668 | for (i = 0, el = form->elements; i < form->numComps; i++, el++) { | |
669 | if ((el->co->top <= ev.u.mouse.y) && | |
670 | (el->co->top + el->co->height > ev.u.mouse.y) && | |
671 | (el->co->left <= ev.u.mouse.x) && | |
672 | (el->co->left + el->co->width > ev.u.mouse.x)) { | |
673 | found = 1; | |
674 | if (el->co->takesFocus) { | |
675 | gotoComponent(form, i); | |
676 | subco = form->elements[form->currComp].co; | |
677 | } | |
678 | } | |
679 | /* If we did not find a co to send this event to, we | |
680 | should just swallow the event here. */ | |
681 | } | |
682 | if (!found) { | |
683 | er.result = ER_SWALLOWED; | |
684 | ||
685 | return er; | |
686 | } | |
687 | } | |
688 | er = subco->ops->event(subco, ev); | |
689 | switch (er.result) { | |
690 | case ER_NEXTCOMP: | |
691 | er.result = ER_SWALLOWED; | |
692 | dir = 1; | |
693 | break; | |
694 | ||
695 | case ER_EXITFORM: | |
696 | form->exitComp = subco; | |
697 | break; | |
698 | ||
699 | default: | |
700 | break; | |
701 | } | |
702 | break; | |
434c766b | 703 | |
704 | case EV_LATE: | |
6f481af2 | 705 | er = subco->ops->event(subco, ev); |
706 | ||
707 | if (er.result == ER_IGNORED) { | |
708 | switch (ev.u.key) { | |
709 | case NEWT_KEY_UP: | |
710 | case NEWT_KEY_LEFT: | |
711 | case NEWT_KEY_BKSPC: | |
712 | er.result = ER_SWALLOWED; | |
713 | dir = -1; | |
714 | break; | |
715 | ||
716 | case NEWT_KEY_DOWN: | |
717 | case NEWT_KEY_RIGHT: | |
718 | er.result = ER_SWALLOWED; | |
719 | dir = 1; | |
720 | break; | |
721 | ||
722 | case NEWT_KEY_PGUP: | |
723 | er.result = ER_SWALLOWED; | |
724 | dir = -1; | |
725 | page = 1; | |
726 | break; | |
727 | ||
728 | case NEWT_KEY_PGDN: | |
729 | er.result = ER_SWALLOWED; | |
730 | dir = 1; | |
731 | page = 1; | |
732 | break; | |
733 | } | |
734 | } | |
c4827b34 | 735 | } |
6fb96a3f | 736 | |
f5daa14e | 737 | if (dir) { |
6f481af2 | 738 | new = form->currComp; |
739 | ||
740 | if (page) { | |
741 | new += dir * co->height; | |
742 | if (new < 0) | |
743 | new = 0; | |
744 | else if (new >= form->numComps) | |
745 | new = (form->numComps - 1); | |
746 | ||
747 | while (!form->elements[new].co->takesFocus) | |
748 | new = new - dir; | |
749 | } else { | |
750 | do { | |
751 | new += dir; | |
752 | ||
753 | if (wrap) { | |
754 | if (new < 0) | |
755 | new = form->numComps - 1; | |
756 | else if (new >= form->numComps) | |
757 | new = 0; | |
758 | } else if (new < 0 || new >= form->numComps) | |
759 | return er; | |
760 | } while (!form->elements[new].co->takesFocus); | |
761 | } | |
762 | ||
763 | /* make sure this component is visible */ | |
764 | if (!componentFits(co, new)) { | |
765 | gotoComponent(form, -1); | |
766 | ||
767 | if (dir < 0) { | |
768 | /* make the new component the first one */ | |
769 | form->vertOffset = form->elements[new].top - co->top; | |
770 | } else { | |
771 | /* make the new component the last one */ | |
772 | form->vertOffset = (form->elements[new].top + | |
773 | form->elements[new].co->height) - | |
774 | (co->top + co->height); | |
775 | } | |
776 | ||
777 | if (form->vertOffset < 0) form->vertOffset = 0; | |
778 | if (form->vertOffset > (form->numRows - co->height)) | |
779 | form->vertOffset = form->numRows - co->height; | |
780 | ||
781 | newtDrawForm(co); | |
782 | } | |
783 | ||
784 | gotoComponent(form, new); | |
785 | er.result = ER_SWALLOWED; | |
c4827b34 | 786 | } |
6fb96a3f | 787 | |
c4827b34 | 788 | return er; |
6fb96a3f | 789 | } |
790 | ||
c101e99e RJ |
791 | /* Destroy a component. Components which have been added to a form |
792 | * are destroyed when the form is destroyed; this is just for the | |
793 | * (rare) case of components which for whatever reason weren't added | |
794 | * to a form. | |
795 | */ | |
796 | void newtComponentDestroy(newtComponent co) { | |
797 | /* If the user registered a destroy callback for this component, | |
798 | * now is a good time to call it. | |
799 | */ | |
800 | if (co->destroyCallback) | |
801 | co->destroyCallback(co, co->destroyCallbackData); | |
802 | ||
803 | if (co->ops->destroy) { | |
804 | co->ops->destroy(co); | |
805 | } else { | |
806 | if (co->data) free(co->data); | |
807 | free(co); | |
808 | } | |
809 | } | |
810 | ||
6fb96a3f | 811 | /* this also destroys all of the components on the form */ |
c4827b34 | 812 | void newtFormDestroy(newtComponent co) { |
c4827b34 | 813 | newtComponent subco; |
814 | struct form * form = co->data; | |
f1f3611f | 815 | int i; |
6fb96a3f | 816 | |
817 | /* first, destroy all of the components */ | |
818 | for (i = 0; i < form->numComps; i++) { | |
6f481af2 | 819 | subco = form->elements[i].co; |
c101e99e | 820 | newtComponentDestroy(subco); |
6fb96a3f | 821 | } |
822 | ||
4e61f5db | 823 | if (form->hotKeys) free(form->hotKeys); |
824 | ||
f5daa14e | 825 | free(form->elements); |
6fb96a3f | 826 | free(form); |
c4827b34 | 827 | free(co); |
828 | } | |
829 | ||
830 | newtComponent newtRunForm(newtComponent co) { | |
da151ca8 | 831 | struct newtExitStruct es; |
832 | ||
833 | newtFormRun(co, &es); | |
834 | if (es.reason == NEWT_EXIT_HOTKEY) { | |
6f481af2 | 835 | if (es.u.key == NEWT_KEY_F12) { |
836 | es.reason = NEWT_EXIT_COMPONENT; | |
837 | es.u.co = co; | |
838 | } else { | |
839 | return NULL; | |
840 | } | |
da151ca8 | 841 | } |
842 | ||
843 | return es.u.co; | |
844 | } | |
845 | ||
846 | void newtFormAddHotKey(newtComponent co, int key) { | |
847 | struct form * form = co->data; | |
848 | ||
849 | form->numHotKeys++; | |
850 | form->hotKeys = realloc(form->hotKeys, sizeof(int) * form->numHotKeys); | |
851 | form->hotKeys[form->numHotKeys - 1] = key; | |
852 | } | |
853 | ||
3da9c9a2 | 854 | void newtFormSetSize(newtComponent co) { |
f7540d34 | 855 | struct form * form = co->data; |
856 | int delta, i; | |
857 | struct element * el; | |
858 | ||
3da9c9a2 | 859 | if (form->beenSet) return; |
860 | ||
861 | form->beenSet = 1; | |
862 | ||
8f52cd47 | 863 | if (!form->numComps) return; |
864 | ||
f7540d34 | 865 | co->width = 0; |
3da9c9a2 | 866 | if (!form->fixedHeight) co->height = 0; |
867 | ||
f7540d34 | 868 | co->top = form->elements[0].co->top; |
869 | co->left = form->elements[0].co->left; | |
870 | for (i = 0, el = form->elements; i < form->numComps; i++, el++) { | |
6f481af2 | 871 | if (el->co->ops == &formOps) |
872 | newtFormSetSize(el->co); | |
873 | ||
874 | el->left = el->co->left; | |
875 | el->top = el->co->top; | |
876 | ||
877 | if (co->left > el->co->left) { | |
878 | delta = co->left - el->co->left; | |
879 | co->left -= delta; | |
880 | co->width += delta; | |
881 | } | |
882 | ||
883 | if (co->top > el->co->top) { | |
884 | delta = co->top - el->co->top; | |
885 | co->top -= delta; | |
886 | if (!form->fixedHeight) | |
887 | co->height += delta; | |
888 | } | |
889 | ||
890 | if ((co->left + co->width) < (el->co->left + el->co->width)) | |
891 | co->width = (el->co->left + el->co->width) - co->left; | |
892 | ||
893 | if (!form->fixedHeight) { | |
894 | if ((co->top + co->height) < (el->co->top + el->co->height)) | |
895 | co->height = (el->co->top + el->co->height) - co->top; | |
896 | } | |
897 | ||
898 | if ((el->co->top + el->co->height - co->top) > form->numRows) { | |
899 | form->numRows = el->co->top + el->co->height - co->top; | |
900 | } | |
f7540d34 | 901 | } |
902 | } | |
903 | ||
da151ca8 | 904 | void newtFormRun(newtComponent co, struct newtExitStruct * es) { |
c4827b34 | 905 | struct form * form = co->data; |
906 | struct event ev; | |
907 | struct eventResult er; | |
45f6c4fd | 908 | int key, i, max; |
da151ca8 | 909 | int done = 0; |
d7e202d6 | 910 | fd_set readSet, writeSet, exceptSet; |
e67a6cab | 911 | struct timeval nextTimeout, now, timeout; |
33b9b6eb | 912 | #ifdef USE_GPM |
45f6c4fd | 913 | int x, y; |
914 | Gpm_Connect conn; | |
915 | Gpm_Event event; | |
916 | ||
917 | /* Set up GPM interface */ | |
918 | conn.eventMask = ~GPM_MOVE; | |
919 | conn.defaultMask = GPM_MOVE; | |
920 | conn.minMod = 0; | |
921 | conn.maxMod = 0; | |
922 | ||
923 | Gpm_Open(&conn, 0); | |
924 | #endif | |
c4827b34 | 925 | |
f7540d34 | 926 | newtFormSetSize(co); |
927 | /* draw all of the components */ | |
8b68158d | 928 | newtDrawForm(co); |
c4827b34 | 929 | |
f1f3611f | 930 | if (form->currComp == -1) { |
6f481af2 | 931 | gotoComponent(form, 0); |
f1f3611f | 932 | } else |
6f481af2 | 933 | gotoComponent(form, form->currComp); |
45f6c4fd | 934 | |
da151ca8 | 935 | while (!done) { |
6f481af2 | 936 | newtRefresh(); |
c4827b34 | 937 | |
6f481af2 | 938 | FD_ZERO(&readSet); |
939 | FD_ZERO(&writeSet); | |
940 | FD_ZERO(&exceptSet); | |
941 | FD_SET(0, &readSet); | |
33b9b6eb | 942 | #ifdef USE_GPM |
6f481af2 | 943 | if (gpm_fd > 0) { |
944 | FD_SET(gpm_fd, &readSet); | |
945 | } | |
946 | max = form->maxFd > gpm_fd ? form->maxFd : gpm_fd; | |
45f6c4fd | 947 | #else |
6f481af2 | 948 | max = form->maxFd; |
45f6c4fd | 949 | #endif |
950 | ||
6f481af2 | 951 | for (i = 0; i < form->numFds; i++) { |
952 | if (form->fds[i].flags & NEWT_FD_READ) | |
953 | FD_SET(form->fds[i].fd, &readSet); | |
954 | if (form->fds[i].flags & NEWT_FD_WRITE) | |
955 | FD_SET(form->fds[i].fd, &writeSet); | |
956 | if (form->fds[i].flags & NEWT_FD_EXCEPT) | |
957 | FD_SET(form->fds[i].fd, &exceptSet); | |
958 | } | |
959 | ||
960 | if (form->timer) { | |
961 | /* Calculate when we next need to return with a timeout. Do | |
962 | this inside the loop in case a callback resets the timer. */ | |
57660927 | 963 | gettimeofday(&now, 0); |
964 | ||
965 | if ((!form->lastTimeout.tv_sec && !form->lastTimeout.tv_usec) || | |
966 | now.tv_sec < form->lastTimeout.tv_sec || | |
967 | (now.tv_sec == form->lastTimeout.tv_sec && | |
968 | now.tv_usec < form->lastTimeout.tv_usec)) | |
969 | form->lastTimeout = now; | |
6f481af2 | 970 | |
971 | nextTimeout.tv_sec = form->lastTimeout.tv_sec + | |
972 | (form->timer / 1000); | |
973 | nextTimeout.tv_usec = form->lastTimeout.tv_usec + | |
974 | (form->timer % 1000) * 1000; | |
975 | ||
6f481af2 | 976 | if (now.tv_sec > nextTimeout.tv_sec) { |
977 | timeout.tv_sec = timeout.tv_usec = 0; | |
978 | } else if (now.tv_sec == nextTimeout.tv_sec) { | |
979 | timeout.tv_sec = 0; | |
980 | if (now.tv_usec > nextTimeout.tv_usec) | |
981 | timeout.tv_usec = 0; | |
982 | else | |
983 | timeout.tv_usec = nextTimeout.tv_usec - now.tv_usec; | |
984 | } else if (now.tv_sec < nextTimeout.tv_sec) { | |
985 | timeout.tv_sec = nextTimeout.tv_sec - now.tv_sec; | |
986 | if (now.tv_usec > nextTimeout.tv_usec) | |
987 | timeout.tv_sec--, | |
988 | timeout.tv_usec = nextTimeout.tv_usec + 1000000 - | |
989 | now.tv_usec; | |
990 | else | |
991 | timeout.tv_usec = nextTimeout.tv_usec - now.tv_usec; | |
992 | } | |
993 | } else { | |
994 | timeout.tv_sec = timeout.tv_usec = 0; | |
995 | } | |
996 | ||
0593cb33 ML |
997 | if (needResize) { |
998 | needResize = 0; | |
999 | newtResizeScreen(1); | |
1000 | } | |
1001 | ||
6f481af2 | 1002 | i = select(max + 1, &readSet, &writeSet, &exceptSet, |
1003 | form->timer ? &timeout : NULL); | |
1004 | if (i < 0) continue; /* ?? What should we do here? */ | |
1005 | ||
1006 | if (i == 0) { | |
1007 | done = 1; | |
1008 | es->reason = NEWT_EXIT_TIMER; | |
1009 | gettimeofday(&form->lastTimeout, NULL); | |
1010 | } else | |
33b9b6eb | 1011 | #ifdef USE_GPM |
6f481af2 | 1012 | if (gpm_fd > 0 && FD_ISSET(gpm_fd, &readSet)) { |
1013 | Gpm_GetEvent(&event); | |
d02ffb49 | 1014 | |
6f481af2 | 1015 | if (event.type & GPM_DOWN) { |
1016 | /* Transform coordinates to current window */ | |
1017 | newtGetWindowPos(&x, &y); | |
c4827b34 | 1018 | |
6f481af2 | 1019 | ev.event = EV_MOUSE; |
1020 | ev.u.mouse.type = MOUSE_BUTTON_DOWN; | |
1021 | ev.u.mouse.x = event.x - x - 1; | |
1022 | ev.u.mouse.y = event.y - y - 1; | |
d02ffb49 | 1023 | |
6f481af2 | 1024 | /* Send the form the event */ |
1025 | er = sendEvent(co, ev); | |
45f6c4fd | 1026 | |
6f481af2 | 1027 | if (er.result == ER_EXITFORM) { |
1028 | done = 1; | |
1029 | es->reason = NEWT_EXIT_COMPONENT; | |
1030 | es->u.co = form->exitComp; | |
1031 | } | |
45f6c4fd | 1032 | |
6f481af2 | 1033 | } |
1034 | } else | |
45f6c4fd | 1035 | #endif |
6f481af2 | 1036 | { |
1037 | if (FD_ISSET(0, &readSet)) { | |
1038 | ||
1039 | key = newtGetKey(); | |
1040 | ||
6f481af2 | 1041 | for (i = 0; i < form->numHotKeys; i++) { |
1042 | if (form->hotKeys[i] == key) { | |
1043 | es->reason = NEWT_EXIT_HOTKEY; | |
1044 | es->u.key = key; | |
1045 | done = 1; | |
1046 | break; | |
1047 | } | |
1048 | } | |
1049 | ||
9fc6a6b0 | 1050 | if (key == NEWT_KEY_F1 && form->helpTag && form->helpCb) { |
1051 | if (form->currComp != -1) { | |
1052 | ev.event = EV_UNFOCUS; | |
1053 | sendEvent(form->elements[form->currComp].co, ev); | |
1054 | } | |
6f481af2 | 1055 | form->helpCb(co, form->helpTag); |
9fc6a6b0 | 1056 | if (form->currComp != -1) { |
1057 | ev.event = EV_FOCUS; | |
1058 | sendEvent(form->elements[form->currComp].co, ev); | |
1059 | } | |
1060 | } | |
6f481af2 | 1061 | |
1062 | if (!done) { | |
1063 | ev.event = EV_KEYPRESS; | |
1064 | ev.u.key = key; | |
1065 | ||
1066 | er = sendEvent(co, ev); | |
1067 | ||
1068 | if (er.result == ER_EXITFORM) { | |
1069 | done = 1; | |
1070 | es->reason = NEWT_EXIT_COMPONENT; | |
1071 | es->u.co = form->exitComp; | |
1072 | } | |
1073 | } | |
1074 | } else { | |
1075 | for (i = 0; i < form->numFds; i++) { | |
1076 | if (((form->fds[i].flags & NEWT_FD_READ) | |
1077 | && FD_ISSET(form->fds[i].fd, &readSet)) | |
1078 | || ((form->fds[i].flags & NEWT_FD_WRITE) | |
1079 | && FD_ISSET(form->fds[i].fd, &writeSet)) | |
1080 | || ((form->fds[i].flags & NEWT_FD_EXCEPT) | |
1081 | && FD_ISSET(form->fds[i].fd, &exceptSet))) break; | |
1082 | } | |
1083 | if(i < form->numFds) | |
1084 | es->u.watch = form->fds[i].fd; | |
1085 | else | |
1086 | es->u.watch = -1; | |
1087 | ||
1088 | es->reason = NEWT_EXIT_FDREADY; | |
1089 | done = 1; | |
1090 | } | |
1091 | } | |
45f6c4fd | 1092 | } |
c4827b34 | 1093 | newtRefresh(); |
33b9b6eb | 1094 | #ifdef USE_GPM |
45f6c4fd | 1095 | Gpm_Close(); |
1096 | #endif | |
6fb96a3f | 1097 | } |
1098 | ||
434c766b | 1099 | static struct eventResult sendEvent(newtComponent co, struct event ev) { |
1100 | struct eventResult er; | |
1101 | ||
1102 | ev.when = EV_EARLY; | |
1103 | er = co->ops->event(co, ev); | |
1104 | ||
1105 | if (er.result == ER_IGNORED) { | |
6f481af2 | 1106 | ev.when = EV_NORMAL; |
1107 | er = co->ops->event(co, ev); | |
434c766b | 1108 | } |
1109 | ||
1110 | if (er.result == ER_IGNORED) { | |
6f481af2 | 1111 | ev.when = EV_LATE; |
1112 | er = co->ops->event(co, ev); | |
434c766b | 1113 | } |
1114 | ||
1115 | return er; | |
1116 | } | |
1117 | ||
c4827b34 | 1118 | static void gotoComponent(struct form * form, int newComp) { |
6fb96a3f | 1119 | struct event ev; |
1120 | ||
1121 | if (form->currComp != -1) { | |
6f481af2 | 1122 | ev.event = EV_UNFOCUS; |
1123 | sendEvent(form->elements[form->currComp].co, ev); | |
6fb96a3f | 1124 | } |
1125 | ||
1126 | form->currComp = newComp; | |
45f6c4fd | 1127 | |
f5daa14e | 1128 | if (form->currComp != -1) { |
6f481af2 | 1129 | ev.event = EV_FOCUS; |
1130 | ev.when = EV_NORMAL; | |
1131 | sendEvent(form->elements[form->currComp].co, ev); | |
f5daa14e | 1132 | } |
6fb96a3f | 1133 | } |
da151ca8 | 1134 | |
1135 | void newtComponentAddCallback(newtComponent co, newtCallback f, void * data) { | |
1136 | co->callback = f; | |
1137 | co->callbackData = data; | |
1138 | } | |
1139 | ||
c101e99e RJ |
1140 | /* Add a callback which is called when the component is destroyed. */ |
1141 | void newtComponentAddDestroyCallback(newtComponent co, | |
1142 | newtCallback f, void * data) { | |
1143 | co->destroyCallback = f; | |
1144 | co->destroyCallbackData = data; | |
1145 | } | |
1146 | ||
41d86a3c | 1147 | void newtComponentTakesFocus(newtComponent co, int val) { |
1148 | co->takesFocus = val; | |
1149 | } | |
1150 | ||
8f4e87fc | 1151 | void newtFormSetBackground(newtComponent co, int color) { |
1152 | struct form * form = co->data; | |
1153 | ||
1154 | form->background = color; | |
1155 | } | |
d02ffb49 | 1156 | |
1157 | void newtFormWatchFd(newtComponent co, int fd, int fdFlags) { | |
1158 | struct form * form = co->data; | |
005d8237 | 1159 | int i; |
1160 | ||
1161 | for (i = 0; i < form->numFds; i++) | |
1162 | if (form->fds[i].fd == fd) | |
6f481af2 | 1163 | break; |
005d8237 | 1164 | |
1165 | if(i >= form->numFds) | |
1166 | form->fds = realloc(form->fds, (++form->numFds) * sizeof(*form->fds)); | |
d02ffb49 | 1167 | |
005d8237 | 1168 | form->fds[i].fd = fd; |
1169 | form->fds[i].flags = fdFlags; | |
d02ffb49 | 1170 | if (form->maxFd < fd) form->maxFd = fd; |
1171 | } | |
72b71fa6 | 1172 | |
1173 | void newtSetHelpCallback(newtCallback cb) { | |
1174 | helpCallback = cb; | |
1175 | } |