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Commit | Line | Data |
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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; | |
36ccb508 | 86 | static char *gpm_sock_name=NULL; |
33b9b6eb | 87 | static struct sigaction gpm_saved_suspend_hook; |
88 | static struct sigaction gpm_saved_winch_hook; | |
89 | ||
90 | #define GPM_XTERM_ON | |
91 | #define GPM_XTERM_OFF | |
92 | #define GPM_NODE_DEV "/dev/gpmctl" | |
93 | #define GPM_NODE_CTL GPM_NODE_DEV | |
94 | ||
95 | static inline int putdata(int where, Gpm_Connect *what) | |
96 | { | |
97 | if (write(where,what,sizeof(Gpm_Connect))!=sizeof(Gpm_Connect)) | |
98 | { | |
99 | return -1; | |
100 | } | |
101 | return 0; | |
102 | } | |
103 | ||
104 | static void gpm_winch_hook (int signum) | |
105 | { | |
106 | if (SIG_IGN != gpm_saved_winch_hook.sa_handler && | |
107 | SIG_DFL != gpm_saved_winch_hook.sa_handler) { | |
108 | gpm_saved_winch_hook.sa_handler(signum); | |
109 | } /*if*/ | |
110 | } | |
111 | ||
112 | static void gpm_suspend_hook (int signum) | |
113 | { | |
114 | Gpm_Connect gpm_connect; | |
115 | sigset_t old_sigset; | |
116 | sigset_t new_sigset; | |
117 | struct sigaction sa; | |
118 | int success; | |
119 | ||
120 | sigemptyset (&new_sigset); | |
121 | sigaddset (&new_sigset, SIGTSTP); | |
122 | sigprocmask (SIG_BLOCK, &new_sigset, &old_sigset); | |
123 | ||
124 | /* Open a completely transparent gpm connection */ | |
125 | gpm_connect.eventMask = 0; | |
126 | gpm_connect.defaultMask = ~0; | |
127 | gpm_connect.minMod = ~0; | |
128 | gpm_connect.maxMod = 0; | |
129 | /* cannot do this under xterm, tough */ | |
130 | success = (Gpm_Open (&gpm_connect, 0) >= 0); | |
131 | ||
132 | /* take the default action, whatever it is (probably a stop :) */ | |
133 | sigprocmask (SIG_SETMASK, &old_sigset, 0); | |
134 | sigaction (SIGTSTP, &gpm_saved_suspend_hook, 0); | |
135 | kill (getpid (), SIGTSTP); | |
136 | ||
137 | /* in bardo here */ | |
138 | ||
139 | /* Reincarnation. Prepare for another death early. */ | |
140 | sigemptyset(&sa.sa_mask); | |
141 | sa.sa_handler = gpm_suspend_hook; | |
142 | sa.sa_flags = SA_NOMASK; | |
143 | sigaction (SIGTSTP, &sa, 0); | |
144 | ||
145 | /* Pop the gpm stack by closing the useless connection */ | |
146 | /* but do it only when we know we opened one.. */ | |
147 | if (success) { | |
148 | Gpm_Close (); | |
149 | } /*if*/ | |
150 | } | |
151 | ||
152 | static int Gpm_Open(Gpm_Connect *conn, int flag) | |
153 | { | |
154 | char tty[32]; | |
155 | char *term; | |
156 | int i; | |
157 | struct sockaddr_un addr; | |
158 | Gpm_Stst *new; | |
33b9b6eb | 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; | |
36ccb508 | 231 | if (!(gpm_sock_name = tempnam (0, "gpm"))) { |
33b9b6eb | 232 | goto err; |
233 | } /*if*/ | |
36ccb508 | 234 | strncpy (addr.sun_path, gpm_sock_name, sizeof (addr.sun_path)); |
33b9b6eb | 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); | |
36ccb508 ML |
305 | if (gpm_sock_name) { |
306 | unlink(gpm_sock_name); | |
307 | free(gpm_sock_name); | |
308 | gpm_sock_name = NULL; | |
33b9b6eb | 309 | } /*if*/ |
310 | gpm_flag=0; | |
9a3aad92 | 311 | gpm_fd=-1; |
33b9b6eb | 312 | return -1; |
313 | } | |
314 | ||
315 | /*-------------------------------------------------------------------*/ | |
316 | static int Gpm_Close(void) | |
317 | { | |
318 | Gpm_Stst *next; | |
319 | ||
320 | gpm_tried=0; /* reset the error flag for next time */ | |
321 | if (gpm_fd==-2) /* xterm */ | |
322 | GPM_XTERM_OFF; | |
323 | else /* linux */ | |
324 | { | |
325 | if (!gpm_flag) return 0; | |
326 | next=gpm_stack->next; | |
327 | free(gpm_stack); | |
328 | gpm_stack=next; | |
329 | if (next) | |
330 | putdata(gpm_fd,&(next->info)); | |
331 | ||
332 | if (--gpm_flag) return -1; | |
333 | } | |
334 | ||
335 | if (gpm_fd>=0) close(gpm_fd); | |
336 | gpm_fd=-1; | |
36ccb508 ML |
337 | if (gpm_sock_name) { |
338 | unlink(gpm_sock_name); | |
339 | free(gpm_sock_name); | |
340 | gpm_sock_name = NULL; | |
341 | } | |
33b9b6eb | 342 | #ifdef SIGTSTP |
343 | sigaction(SIGTSTP, &gpm_saved_suspend_hook, 0); | |
344 | #endif | |
345 | #ifdef SIGWINCH | |
346 | sigaction(SIGWINCH, &gpm_saved_winch_hook, 0); | |
347 | #endif | |
348 | return 0; | |
349 | } | |
350 | ||
351 | /*-------------------------------------------------------------------*/ | |
352 | static int Gpm_GetEvent(Gpm_Event *event) | |
353 | { | |
354 | int count; | |
355 | ||
356 | if (!gpm_flag) return 0; | |
357 | ||
358 | if ((count=read(gpm_fd,event,sizeof(Gpm_Event)))!=sizeof(Gpm_Event)) | |
359 | { | |
360 | if (count==0) | |
361 | { | |
362 | Gpm_Close(); | |
363 | return 0; | |
364 | } | |
365 | return -1; | |
366 | } | |
367 | return 1; | |
368 | } | |
369 | #endif | |
370 | ||
f5daa14e | 371 | /**************************************************************************** |
45f6c4fd | 372 | These forms handle vertical scrolling of components with a height of 1 |
373 | ||
f5daa14e | 374 | Horizontal scrolling won't work, and scrolling large widgets will fail |
375 | miserably. It shouldn't be too hard to fix either of those if anyone | |
376 | cares to. I only use scrolling for listboxes and text boxes though so | |
377 | I didn't bother. | |
378 | *****************************************************************************/ | |
379 | ||
380 | struct element { | |
5c72fb03 | 381 | newtComponent co; |
f5daa14e | 382 | }; |
383 | ||
d02ffb49 | 384 | struct fdInfo { |
385 | int fd; | |
386 | int flags; | |
387 | }; | |
388 | ||
c4827b34 | 389 | struct form { |
6fb96a3f | 390 | int numCompsAlloced; |
f5daa14e | 391 | struct element * elements; |
6fb96a3f | 392 | int numComps; |
393 | int currComp; | |
8c4e1047 | 394 | int fixedHeight; |
02b180e8 | 395 | int flags; |
f5daa14e | 396 | int vertOffset; |
02b180e8 | 397 | newtComponent vertBar, exitComp; |
d4109c37 | 398 | const char * help; |
f1f3611f | 399 | int numRows; |
da151ca8 | 400 | int * hotKeys; |
401 | int numHotKeys; | |
8f4e87fc | 402 | int background; |
d02ffb49 | 403 | int numFds; |
404 | struct fdInfo * fds; | |
405 | int maxFd; | |
e67a6cab | 406 | int timer; /* in milliseconds */ |
407 | struct timeval lastTimeout; | |
72b71fa6 | 408 | void * helpTag; |
409 | newtCallback helpCb; | |
6fb96a3f | 410 | }; |
411 | ||
ad2dca95 | 412 | static void gotoComponent(newtComponent co, int newComp); |
c4827b34 | 413 | static struct eventResult formEvent(newtComponent co, struct event ev); |
434c766b | 414 | static struct eventResult sendEvent(newtComponent comp, struct event ev); |
8f52cd47 | 415 | static void formPlace(newtComponent co, int left, int top); |
c4827b34 | 416 | |
72b71fa6 | 417 | /* Global, ick */ |
418 | static newtCallback helpCallback; | |
419 | ||
8f52cd47 | 420 | /* this isn't static as grid.c tests against it to find forms */ |
421 | struct componentOps formOps = { | |
8b68158d | 422 | newtDrawForm, |
c4827b34 | 423 | formEvent, |
424 | newtFormDestroy, | |
8f52cd47 | 425 | formPlace, |
426 | newtDefaultMappedHandler, | |
c4827b34 | 427 | } ; |
428 | ||
0593cb33 ML |
429 | int needResize = 0; |
430 | ||
f5daa14e | 431 | static inline int componentFits(newtComponent co, int compNum) { |
432 | struct form * form = co->data; | |
433 | struct element * el = form->elements + compNum; | |
434 | ||
5c72fb03 ML |
435 | if (co->top > el->co->top) |
436 | return 0; | |
437 | if (co->top + co->height < el->co->top + el->co->height) | |
438 | return 0; | |
f5daa14e | 439 | |
440 | return 1; | |
441 | } | |
442 | ||
72b71fa6 | 443 | newtComponent newtForm(newtComponent vertBar, void * help, int flags) { |
c4827b34 | 444 | newtComponent co; |
445 | struct form * form; | |
446 | ||
447 | co = malloc(sizeof(*co)); | |
448 | form = malloc(sizeof(*form)); | |
449 | co->data = form; | |
450 | co->width = 0; | |
451 | co->height = 0; | |
452 | co->top = -1; | |
453 | co->left = -1; | |
3da9c9a2 | 454 | co->isMapped = 0; |
c4827b34 | 455 | |
6f481af2 | 456 | co->takesFocus = 0; /* we may have 0 components */ |
c4827b34 | 457 | co->ops = &formOps; |
ad2dca95 | 458 | co->callback = NULL; |
c101e99e | 459 | co->destroyCallback = NULL; |
6fb96a3f | 460 | |
02b180e8 | 461 | form->help = help; |
462 | form->flags = flags; | |
6fb96a3f | 463 | form->numCompsAlloced = 5; |
464 | form->numComps = 0; | |
465 | form->currComp = -1; | |
f5daa14e | 466 | form->vertOffset = 0; |
8c4e1047 | 467 | form->fixedHeight = 0; |
f1f3611f | 468 | form->numRows = 0; |
d02ffb49 | 469 | form->numFds = 0; |
470 | form->maxFd = 0; | |
471 | form->fds = NULL; | |
f5daa14e | 472 | form->elements = malloc(sizeof(*(form->elements)) * form->numCompsAlloced); |
6fb96a3f | 473 | |
8f4e87fc | 474 | form->background = COLORSET_WINDOW; |
da151ca8 | 475 | form->hotKeys = malloc(sizeof(int)); |
476 | form->numHotKeys = 0; | |
73390860 | 477 | form->timer = 0; |
478 | form->lastTimeout.tv_sec = form->lastTimeout.tv_usec = 0; | |
4a93351d | 479 | if (!(form->flags & NEWT_FLAG_NOF12)) { |
6f481af2 | 480 | newtFormAddHotKey(co, NEWT_KEY_F12); |
da151ca8 | 481 | } |
482 | ||
02b180e8 | 483 | if (vertBar) |
6f481af2 | 484 | form->vertBar = vertBar; |
f1f3611f | 485 | else |
6f481af2 | 486 | form->vertBar = NULL; |
f1f3611f | 487 | |
72b71fa6 | 488 | form->helpTag = help; |
489 | form->helpCb = helpCallback; | |
490 | ||
c4827b34 | 491 | return co; |
6fb96a3f | 492 | } |
493 | ||
2a2998a0 | 494 | newtComponent newtFormGetCurrent(newtComponent co) { |
495 | struct form * form = co->data; | |
496 | ||
d78245ab | 497 | if (form->currComp == -1) return 0; |
2a2998a0 | 498 | return form->elements[form->currComp].co; |
499 | } | |
500 | ||
5c72fb03 ML |
501 | static void formScroll(newtComponent co, int delta) { |
502 | struct form * form = co->data; | |
503 | struct element * el; | |
504 | int i, newVertOffset = form->vertOffset + delta; | |
505 | ||
506 | if (newVertOffset < 0) | |
507 | newVertOffset = 0; | |
508 | if (newVertOffset > form->numRows - co->height) | |
509 | newVertOffset = form->numRows - co->height; | |
510 | ||
511 | delta = newVertOffset - form->vertOffset; | |
512 | form->vertOffset = newVertOffset; | |
513 | ||
514 | for (i = 0, el = form->elements; i < form->numComps; i++, el++) { | |
515 | if (el->co == form->vertBar) | |
516 | continue; | |
517 | el->co->ops->place(el->co, el->co->left, el->co->top - delta); | |
518 | } | |
519 | } | |
520 | ||
7f72e4ef DW |
521 | int newtFormGetScrollPosition(newtComponent co) { |
522 | struct form * form = co->data; | |
523 | ||
524 | return form->vertOffset; | |
525 | } | |
526 | ||
527 | void newtFormSetScrollPosition(newtComponent co, int position) { | |
528 | struct form * form = co->data; | |
529 | ||
530 | if (form->numRows == 0) | |
531 | newtFormSetSize(co); | |
532 | formScroll(co, position - form->vertOffset); | |
533 | } | |
534 | ||
7ea3dccd | 535 | void newtFormSetCurrent(newtComponent co, newtComponent subco) { |
536 | struct form * form = co->data; | |
537 | int i, new; | |
538 | ||
539 | for (i = 0; i < form->numComps; i++) { | |
6f481af2 | 540 | if (form->elements[i].co == subco) break; |
7ea3dccd | 541 | } |
542 | ||
543 | if (form->elements[i].co != subco) return; | |
544 | new = i; | |
545 | ||
3da9c9a2 | 546 | if (co->isMapped && !componentFits(co, new)) { |
ad2dca95 | 547 | gotoComponent(co, -1); |
5c72fb03 | 548 | formScroll(co, form->elements[new].co->top - co->top - 1); |
7ea3dccd | 549 | } |
550 | ||
ad2dca95 | 551 | gotoComponent(co, new); |
7ea3dccd | 552 | } |
553 | ||
e67a6cab | 554 | void newtFormSetTimer(newtComponent co, int millisecs) { |
555 | struct form * form = co->data; | |
556 | ||
557 | form->timer = millisecs; | |
73390860 | 558 | form->lastTimeout.tv_usec = 0; |
559 | form->lastTimeout.tv_sec = 0; | |
e67a6cab | 560 | } |
561 | ||
8c4e1047 | 562 | void newtFormSetHeight(newtComponent co, int height) { |
f5daa14e | 563 | struct form * form = co->data; |
564 | ||
8c4e1047 | 565 | form->fixedHeight = 1; |
f5daa14e | 566 | co->height = height; |
567 | } | |
568 | ||
ea947804 | 569 | void newtFormSetWidth(newtComponent co, int width) { |
570 | co->width = width; | |
571 | } | |
572 | ||
c4827b34 | 573 | void newtFormAddComponent(newtComponent co, newtComponent newco) { |
574 | struct form * form = co->data; | |
6fb96a3f | 575 | |
8f52cd47 | 576 | co->takesFocus = 1; |
577 | ||
6fb96a3f | 578 | if (form->numCompsAlloced == form->numComps) { |
6f481af2 | 579 | form->numCompsAlloced += 5; |
580 | form->elements = realloc(form->elements, | |
581 | sizeof(*(form->elements)) * form->numCompsAlloced); | |
6fb96a3f | 582 | } |
583 | ||
f5daa14e | 584 | form->elements[form->numComps].co = newco; |
f1f3611f | 585 | |
586 | if (newco->takesFocus && form->currComp == -1) | |
6f481af2 | 587 | form->currComp = form->numComps; |
f1f3611f | 588 | |
f5daa14e | 589 | form->numComps++; |
6fb96a3f | 590 | } |
591 | ||
c4827b34 | 592 | void newtFormAddComponents(newtComponent co, ...) { |
6fb96a3f | 593 | va_list ap; |
c4827b34 | 594 | newtComponent subco; |
6fb96a3f | 595 | |
c4827b34 | 596 | va_start(ap, co); |
6fb96a3f | 597 | |
c4827b34 | 598 | while ((subco = va_arg(ap, newtComponent))) |
6f481af2 | 599 | newtFormAddComponent(co, subco); |
45f6c4fd | 600 | |
6fb96a3f | 601 | va_end(ap); |
602 | } | |
603 | ||
8f52cd47 | 604 | static void formPlace(newtComponent co, int left, int top) { |
605 | struct form * form = co->data; | |
606 | int vertDelta, horizDelta; | |
607 | struct element * el; | |
608 | int i; | |
609 | ||
8f52cd47 | 610 | vertDelta = top - co->top; |
611 | horizDelta = left - co->left; | |
612 | co->top = top; | |
613 | co->left = left; | |
614 | ||
615 | for (i = 0, el = form->elements; i < form->numComps; i++, el++) { | |
5c72fb03 ML |
616 | el->co->ops->place(el->co, el->co->left + horizDelta, |
617 | el->co->top + vertDelta); | |
8f52cd47 | 618 | } |
619 | } | |
620 | ||
8b68158d | 621 | void newtDrawForm(newtComponent co) { |
c4827b34 | 622 | struct form * form = co->data; |
f5daa14e | 623 | struct element * el; |
6fb96a3f | 624 | int i; |
6fb96a3f | 625 | |
3da9c9a2 | 626 | newtFormSetSize(co); |
627 | ||
8f4e87fc | 628 | SLsmg_set_color(form->background); |
a1331450 | 629 | newtClearBox(co->left, co->top, co->width, co->height); |
7ff5fd71 | 630 | |
f5daa14e | 631 | for (i = 0, el = form->elements; i < form->numComps; i++, el++) { |
5c72fb03 ML |
632 | /* only draw it if it'll fit on the screen vertically |
633 | (the scrollbar *always* fits somewhere) */ | |
634 | if (el->co == form->vertBar || componentFits(co, i)) { | |
6f481af2 | 635 | el->co->ops->mapped(el->co, 1); |
636 | el->co->ops->draw(el->co); | |
637 | } else { | |
5c72fb03 | 638 | el->co->ops->mapped(el->co, 0); |
6f481af2 | 639 | } |
6fb96a3f | 640 | } |
f1f3611f | 641 | |
642 | if (form->vertBar) | |
6f481af2 | 643 | newtScrollbarSet(form->vertBar, form->vertOffset, |
644 | form->numRows - co->height); | |
c4827b34 | 645 | } |
6fb96a3f | 646 | |
c4827b34 | 647 | static struct eventResult formEvent(newtComponent co, struct event ev) { |
648 | struct form * form = co->data; | |
f5daa14e | 649 | newtComponent subco = form->elements[form->currComp].co; |
d1a682d1 | 650 | int new, wrap = 0; |
c4827b34 | 651 | struct eventResult er; |
d1a682d1 | 652 | int dir = 0, page = 0; |
45f6c4fd | 653 | int i, num, found; |
654 | struct element * el; | |
6fb96a3f | 655 | |
c4827b34 | 656 | er.result = ER_IGNORED; |
8f52cd47 | 657 | if (!form->numComps) return er; |
658 | ||
d78245ab | 659 | if (form->currComp == -1) return er; |
6fb96a3f | 660 | |
434c766b | 661 | switch (ev.when) { |
662 | case EV_EARLY: | |
6f481af2 | 663 | if (ev.event == EV_KEYPRESS) { |
664 | if (ev.u.key == NEWT_KEY_TAB) { | |
665 | er.result = ER_SWALLOWED; | |
666 | dir = 1; | |
667 | wrap = 1; | |
668 | } else if (ev.u.key == NEWT_KEY_UNTAB) { | |
669 | er.result = ER_SWALLOWED; | |
670 | dir = -1; | |
671 | wrap = 1; | |
672 | } | |
673 | } | |
674 | ||
675 | if (form->numComps) { | |
676 | i = form->currComp; | |
677 | num = 0; | |
678 | while (er.result == ER_IGNORED && num != form->numComps ) { | |
679 | er = form->elements[i].co->ops->event(form->elements[i].co, ev); | |
680 | ||
681 | num++; | |
682 | i++; | |
683 | if (i == form->numComps) i = 0; | |
684 | } | |
685 | } | |
686 | ||
687 | break; | |
45f6c4fd | 688 | |
434c766b | 689 | case EV_NORMAL: |
6f481af2 | 690 | if (ev.event == EV_MOUSE) { |
691 | found = 0; | |
692 | for (i = 0, el = form->elements; i < form->numComps; i++, el++) { | |
693 | if ((el->co->top <= ev.u.mouse.y) && | |
694 | (el->co->top + el->co->height > ev.u.mouse.y) && | |
695 | (el->co->left <= ev.u.mouse.x) && | |
696 | (el->co->left + el->co->width > ev.u.mouse.x)) { | |
697 | found = 1; | |
698 | if (el->co->takesFocus) { | |
ad2dca95 | 699 | gotoComponent(co, i); |
6f481af2 | 700 | subco = form->elements[form->currComp].co; |
701 | } | |
702 | } | |
703 | /* If we did not find a co to send this event to, we | |
704 | should just swallow the event here. */ | |
705 | } | |
706 | if (!found) { | |
707 | er.result = ER_SWALLOWED; | |
708 | ||
709 | return er; | |
710 | } | |
711 | } | |
712 | er = subco->ops->event(subco, ev); | |
713 | switch (er.result) { | |
714 | case ER_NEXTCOMP: | |
715 | er.result = ER_SWALLOWED; | |
716 | dir = 1; | |
717 | break; | |
718 | ||
719 | case ER_EXITFORM: | |
720 | form->exitComp = subco; | |
721 | break; | |
722 | ||
723 | default: | |
724 | break; | |
725 | } | |
726 | break; | |
434c766b | 727 | |
728 | case EV_LATE: | |
6f481af2 | 729 | er = subco->ops->event(subco, ev); |
730 | ||
731 | if (er.result == ER_IGNORED) { | |
732 | switch (ev.u.key) { | |
733 | case NEWT_KEY_UP: | |
734 | case NEWT_KEY_LEFT: | |
735 | case NEWT_KEY_BKSPC: | |
736 | er.result = ER_SWALLOWED; | |
737 | dir = -1; | |
738 | break; | |
739 | ||
740 | case NEWT_KEY_DOWN: | |
741 | case NEWT_KEY_RIGHT: | |
742 | er.result = ER_SWALLOWED; | |
743 | dir = 1; | |
744 | break; | |
745 | ||
746 | case NEWT_KEY_PGUP: | |
747 | er.result = ER_SWALLOWED; | |
748 | dir = -1; | |
749 | page = 1; | |
750 | break; | |
751 | ||
752 | case NEWT_KEY_PGDN: | |
753 | er.result = ER_SWALLOWED; | |
754 | dir = 1; | |
755 | page = 1; | |
756 | break; | |
757 | } | |
758 | } | |
c4827b34 | 759 | } |
6fb96a3f | 760 | |
f5daa14e | 761 | if (dir) { |
6f481af2 | 762 | new = form->currComp; |
763 | ||
764 | if (page) { | |
765 | new += dir * co->height; | |
766 | if (new < 0) | |
767 | new = 0; | |
768 | else if (new >= form->numComps) | |
769 | new = (form->numComps - 1); | |
770 | ||
cf69773e ML |
771 | while (!form->elements[new].co->takesFocus && |
772 | new - dir >= 0 && new - dir < form->numComps) | |
773 | new -= dir; | |
6f481af2 | 774 | } else { |
775 | do { | |
776 | new += dir; | |
777 | ||
778 | if (wrap) { | |
779 | if (new < 0) | |
780 | new = form->numComps - 1; | |
781 | else if (new >= form->numComps) | |
782 | new = 0; | |
cf69773e ML |
783 | if (new == form->currComp) |
784 | /* back where we started */ | |
785 | return er; | |
6f481af2 | 786 | } else if (new < 0 || new >= form->numComps) |
787 | return er; | |
788 | } while (!form->elements[new].co->takesFocus); | |
789 | } | |
790 | ||
791 | /* make sure this component is visible */ | |
792 | if (!componentFits(co, new)) { | |
5c72fb03 ML |
793 | int vertDelta; |
794 | ||
ad2dca95 | 795 | gotoComponent(co, -1); |
6f481af2 | 796 | |
797 | if (dir < 0) { | |
798 | /* make the new component the first one */ | |
5c72fb03 | 799 | vertDelta = form->elements[new].co->top - co->top; |
6f481af2 | 800 | } else { |
801 | /* make the new component the last one */ | |
5c72fb03 | 802 | vertDelta = (form->elements[new].co->top + |
6f481af2 | 803 | form->elements[new].co->height) - |
804 | (co->top + co->height); | |
805 | } | |
806 | ||
5c72fb03 | 807 | formScroll(co, vertDelta); |
6f481af2 | 808 | newtDrawForm(co); |
809 | } | |
810 | ||
ad2dca95 | 811 | gotoComponent(co, new); |
6f481af2 | 812 | er.result = ER_SWALLOWED; |
c4827b34 | 813 | } |
6fb96a3f | 814 | |
c4827b34 | 815 | return er; |
6fb96a3f | 816 | } |
817 | ||
c101e99e RJ |
818 | /* Destroy a component. Components which have been added to a form |
819 | * are destroyed when the form is destroyed; this is just for the | |
820 | * (rare) case of components which for whatever reason weren't added | |
821 | * to a form. | |
822 | */ | |
823 | void newtComponentDestroy(newtComponent co) { | |
824 | /* If the user registered a destroy callback for this component, | |
825 | * now is a good time to call it. | |
826 | */ | |
827 | if (co->destroyCallback) | |
828 | co->destroyCallback(co, co->destroyCallbackData); | |
829 | ||
830 | if (co->ops->destroy) { | |
831 | co->ops->destroy(co); | |
832 | } else { | |
833 | if (co->data) free(co->data); | |
834 | free(co); | |
835 | } | |
836 | } | |
837 | ||
6fb96a3f | 838 | /* this also destroys all of the components on the form */ |
c4827b34 | 839 | void newtFormDestroy(newtComponent co) { |
c4827b34 | 840 | newtComponent subco; |
841 | struct form * form = co->data; | |
f1f3611f | 842 | int i; |
6fb96a3f | 843 | |
844 | /* first, destroy all of the components */ | |
845 | for (i = 0; i < form->numComps; i++) { | |
6f481af2 | 846 | subco = form->elements[i].co; |
c101e99e | 847 | newtComponentDestroy(subco); |
6fb96a3f | 848 | } |
849 | ||
4e61f5db | 850 | if (form->hotKeys) free(form->hotKeys); |
851 | ||
f5daa14e | 852 | free(form->elements); |
6fb96a3f | 853 | free(form); |
c4827b34 | 854 | free(co); |
855 | } | |
856 | ||
857 | newtComponent newtRunForm(newtComponent co) { | |
da151ca8 | 858 | struct newtExitStruct es; |
859 | ||
860 | newtFormRun(co, &es); | |
861 | if (es.reason == NEWT_EXIT_HOTKEY) { | |
6f481af2 | 862 | if (es.u.key == NEWT_KEY_F12) { |
863 | es.reason = NEWT_EXIT_COMPONENT; | |
864 | es.u.co = co; | |
865 | } else { | |
866 | return NULL; | |
867 | } | |
b8b8a86f ML |
868 | } else if (es.reason == NEWT_EXIT_ERROR) |
869 | return NULL; | |
da151ca8 | 870 | |
871 | return es.u.co; | |
872 | } | |
873 | ||
874 | void newtFormAddHotKey(newtComponent co, int key) { | |
875 | struct form * form = co->data; | |
876 | ||
877 | form->numHotKeys++; | |
878 | form->hotKeys = realloc(form->hotKeys, sizeof(int) * form->numHotKeys); | |
879 | form->hotKeys[form->numHotKeys - 1] = key; | |
880 | } | |
881 | ||
3da9c9a2 | 882 | void newtFormSetSize(newtComponent co) { |
f7540d34 | 883 | struct form * form = co->data; |
21150df5 | 884 | int delta, i, first; |
f7540d34 | 885 | struct element * el; |
886 | ||
21150df5 | 887 | form->numRows = 0; |
8f52cd47 | 888 | |
f7540d34 | 889 | co->width = 0; |
3da9c9a2 | 890 | if (!form->fixedHeight) co->height = 0; |
891 | ||
35d6a6ab ML |
892 | co->top = -1; |
893 | co->left = -1; | |
21150df5 | 894 | first = 1; |
35d6a6ab | 895 | |
f7540d34 | 896 | for (i = 0, el = form->elements; i < form->numComps; i++, el++) { |
6f481af2 | 897 | if (el->co->ops == &formOps) |
898 | newtFormSetSize(el->co); | |
35d6a6ab ML |
899 | else if (el->co == form->vertBar) |
900 | continue; | |
901 | ||
21150df5 | 902 | if (first) { |
35d6a6ab ML |
903 | co->top = el->co->top; |
904 | co->left = el->co->left; | |
21150df5 | 905 | first = 0; |
35d6a6ab | 906 | } |
6f481af2 | 907 | |
6f481af2 | 908 | if (co->left > el->co->left) { |
909 | delta = co->left - el->co->left; | |
910 | co->left -= delta; | |
911 | co->width += delta; | |
912 | } | |
913 | ||
914 | if (co->top > el->co->top) { | |
915 | delta = co->top - el->co->top; | |
916 | co->top -= delta; | |
35d6a6ab | 917 | form->numRows += delta; |
6f481af2 | 918 | if (!form->fixedHeight) |
919 | co->height += delta; | |
920 | } | |
921 | ||
922 | if ((co->left + co->width) < (el->co->left + el->co->width)) | |
923 | co->width = (el->co->left + el->co->width) - co->left; | |
924 | ||
925 | if (!form->fixedHeight) { | |
926 | if ((co->top + co->height) < (el->co->top + el->co->height)) | |
927 | co->height = (el->co->top + el->co->height) - co->top; | |
928 | } | |
929 | ||
930 | if ((el->co->top + el->co->height - co->top) > form->numRows) { | |
931 | form->numRows = el->co->top + el->co->height - co->top; | |
932 | } | |
f7540d34 | 933 | } |
5c72fb03 ML |
934 | |
935 | co->top += form->vertOffset; | |
f7540d34 | 936 | } |
937 | ||
da151ca8 | 938 | void newtFormRun(newtComponent co, struct newtExitStruct * es) { |
c4827b34 | 939 | struct form * form = co->data; |
940 | struct event ev; | |
941 | struct eventResult er; | |
45f6c4fd | 942 | int key, i, max; |
da151ca8 | 943 | int done = 0; |
d7e202d6 | 944 | fd_set readSet, writeSet, exceptSet; |
e67a6cab | 945 | struct timeval nextTimeout, now, timeout; |
33b9b6eb | 946 | #ifdef USE_GPM |
45f6c4fd | 947 | int x, y; |
948 | Gpm_Connect conn; | |
949 | Gpm_Event event; | |
950 | ||
951 | /* Set up GPM interface */ | |
952 | conn.eventMask = ~GPM_MOVE; | |
953 | conn.defaultMask = GPM_MOVE; | |
954 | conn.minMod = 0; | |
955 | conn.maxMod = 0; | |
956 | ||
957 | Gpm_Open(&conn, 0); | |
958 | #endif | |
c4827b34 | 959 | |
f7540d34 | 960 | /* draw all of the components */ |
8b68158d | 961 | newtDrawForm(co); |
c4827b34 | 962 | |
f1f3611f | 963 | if (form->currComp == -1) { |
d3cfe899 | 964 | if (form->numComps) |
ad2dca95 | 965 | gotoComponent(co, 0); |
f1f3611f | 966 | } else |
ad2dca95 | 967 | gotoComponent(co, form->currComp); |
45f6c4fd | 968 | |
da151ca8 | 969 | while (!done) { |
6f481af2 | 970 | newtRefresh(); |
c4827b34 | 971 | |
6f481af2 | 972 | FD_ZERO(&readSet); |
973 | FD_ZERO(&writeSet); | |
974 | FD_ZERO(&exceptSet); | |
975 | FD_SET(0, &readSet); | |
33b9b6eb | 976 | #ifdef USE_GPM |
6f481af2 | 977 | if (gpm_fd > 0) { |
978 | FD_SET(gpm_fd, &readSet); | |
979 | } | |
980 | max = form->maxFd > gpm_fd ? form->maxFd : gpm_fd; | |
45f6c4fd | 981 | #else |
6f481af2 | 982 | max = form->maxFd; |
45f6c4fd | 983 | #endif |
984 | ||
6f481af2 | 985 | for (i = 0; i < form->numFds; i++) { |
986 | if (form->fds[i].flags & NEWT_FD_READ) | |
987 | FD_SET(form->fds[i].fd, &readSet); | |
988 | if (form->fds[i].flags & NEWT_FD_WRITE) | |
989 | FD_SET(form->fds[i].fd, &writeSet); | |
990 | if (form->fds[i].flags & NEWT_FD_EXCEPT) | |
991 | FD_SET(form->fds[i].fd, &exceptSet); | |
992 | } | |
993 | ||
994 | if (form->timer) { | |
995 | /* Calculate when we next need to return with a timeout. Do | |
996 | this inside the loop in case a callback resets the timer. */ | |
57660927 | 997 | gettimeofday(&now, 0); |
998 | ||
999 | if ((!form->lastTimeout.tv_sec && !form->lastTimeout.tv_usec) || | |
1000 | now.tv_sec < form->lastTimeout.tv_sec || | |
1001 | (now.tv_sec == form->lastTimeout.tv_sec && | |
1002 | now.tv_usec < form->lastTimeout.tv_usec)) | |
1003 | form->lastTimeout = now; | |
6f481af2 | 1004 | |
1005 | nextTimeout.tv_sec = form->lastTimeout.tv_sec + | |
1006 | (form->timer / 1000); | |
1007 | nextTimeout.tv_usec = form->lastTimeout.tv_usec + | |
1008 | (form->timer % 1000) * 1000; | |
1009 | ||
6f481af2 | 1010 | if (now.tv_sec > nextTimeout.tv_sec) { |
1011 | timeout.tv_sec = timeout.tv_usec = 0; | |
1012 | } else if (now.tv_sec == nextTimeout.tv_sec) { | |
1013 | timeout.tv_sec = 0; | |
1014 | if (now.tv_usec > nextTimeout.tv_usec) | |
1015 | timeout.tv_usec = 0; | |
1016 | else | |
1017 | timeout.tv_usec = nextTimeout.tv_usec - now.tv_usec; | |
1018 | } else if (now.tv_sec < nextTimeout.tv_sec) { | |
1019 | timeout.tv_sec = nextTimeout.tv_sec - now.tv_sec; | |
1020 | if (now.tv_usec > nextTimeout.tv_usec) | |
1021 | timeout.tv_sec--, | |
1022 | timeout.tv_usec = nextTimeout.tv_usec + 1000000 - | |
1023 | now.tv_usec; | |
1024 | else | |
1025 | timeout.tv_usec = nextTimeout.tv_usec - now.tv_usec; | |
1026 | } | |
1027 | } else { | |
1028 | timeout.tv_sec = timeout.tv_usec = 0; | |
1029 | } | |
1030 | ||
0593cb33 ML |
1031 | if (needResize) { |
1032 | needResize = 0; | |
1033 | newtResizeScreen(1); | |
d861e991 ML |
1034 | |
1035 | /* The application may want to handle the resize */ | |
1036 | for (i = 0; i < form->numHotKeys; i++) { | |
1037 | if (form->hotKeys[i] == NEWT_KEY_RESIZE) { | |
1038 | es->reason = NEWT_EXIT_HOTKEY; | |
1039 | es->u.key = NEWT_KEY_RESIZE; | |
1040 | done = 1; | |
1041 | break; | |
1042 | } | |
1043 | } | |
1044 | if (done) | |
1045 | break; | |
0593cb33 ML |
1046 | } |
1047 | ||
6f481af2 | 1048 | i = select(max + 1, &readSet, &writeSet, &exceptSet, |
1049 | form->timer ? &timeout : NULL); | |
1050 | if (i < 0) continue; /* ?? What should we do here? */ | |
1051 | ||
1052 | if (i == 0) { | |
1053 | done = 1; | |
1054 | es->reason = NEWT_EXIT_TIMER; | |
1055 | gettimeofday(&form->lastTimeout, NULL); | |
1056 | } else | |
33b9b6eb | 1057 | #ifdef USE_GPM |
6f481af2 | 1058 | if (gpm_fd > 0 && FD_ISSET(gpm_fd, &readSet)) { |
1059 | Gpm_GetEvent(&event); | |
d02ffb49 | 1060 | |
6f481af2 | 1061 | if (event.type & GPM_DOWN) { |
1062 | /* Transform coordinates to current window */ | |
1063 | newtGetWindowPos(&x, &y); | |
c4827b34 | 1064 | |
6f481af2 | 1065 | ev.event = EV_MOUSE; |
1066 | ev.u.mouse.type = MOUSE_BUTTON_DOWN; | |
1067 | ev.u.mouse.x = event.x - x - 1; | |
1068 | ev.u.mouse.y = event.y - y - 1; | |
d02ffb49 | 1069 | |
6f481af2 | 1070 | /* Send the form the event */ |
1071 | er = sendEvent(co, ev); | |
45f6c4fd | 1072 | |
6f481af2 | 1073 | if (er.result == ER_EXITFORM) { |
1074 | done = 1; | |
1075 | es->reason = NEWT_EXIT_COMPONENT; | |
1076 | es->u.co = form->exitComp; | |
1077 | } | |
45f6c4fd | 1078 | |
6f481af2 | 1079 | } |
1080 | } else | |
45f6c4fd | 1081 | #endif |
6f481af2 | 1082 | { |
1083 | if (FD_ISSET(0, &readSet)) { | |
1084 | ||
1085 | key = newtGetKey(); | |
1086 | ||
6f481af2 | 1087 | for (i = 0; i < form->numHotKeys; i++) { |
1088 | if (form->hotKeys[i] == key) { | |
1089 | es->reason = NEWT_EXIT_HOTKEY; | |
1090 | es->u.key = key; | |
1091 | done = 1; | |
1092 | break; | |
1093 | } | |
1094 | } | |
1095 | ||
9fc6a6b0 | 1096 | if (key == NEWT_KEY_F1 && form->helpTag && form->helpCb) { |
1097 | if (form->currComp != -1) { | |
1098 | ev.event = EV_UNFOCUS; | |
1099 | sendEvent(form->elements[form->currComp].co, ev); | |
1100 | } | |
6f481af2 | 1101 | form->helpCb(co, form->helpTag); |
9fc6a6b0 | 1102 | if (form->currComp != -1) { |
1103 | ev.event = EV_FOCUS; | |
1104 | sendEvent(form->elements[form->currComp].co, ev); | |
1105 | } | |
1106 | } | |
6f481af2 | 1107 | |
b8b8a86f ML |
1108 | if (key == NEWT_KEY_ERROR) { |
1109 | es->u.watch = -1; | |
1110 | es->reason = NEWT_EXIT_ERROR; | |
1111 | done = 1; | |
1112 | } | |
1113 | ||
6f481af2 | 1114 | if (!done) { |
1115 | ev.event = EV_KEYPRESS; | |
1116 | ev.u.key = key; | |
1117 | ||
1118 | er = sendEvent(co, ev); | |
1119 | ||
1120 | if (er.result == ER_EXITFORM) { | |
1121 | done = 1; | |
1122 | es->reason = NEWT_EXIT_COMPONENT; | |
1123 | es->u.co = form->exitComp; | |
1124 | } | |
1125 | } | |
1126 | } else { | |
1127 | for (i = 0; i < form->numFds; i++) { | |
1128 | if (((form->fds[i].flags & NEWT_FD_READ) | |
1129 | && FD_ISSET(form->fds[i].fd, &readSet)) | |
1130 | || ((form->fds[i].flags & NEWT_FD_WRITE) | |
1131 | && FD_ISSET(form->fds[i].fd, &writeSet)) | |
1132 | || ((form->fds[i].flags & NEWT_FD_EXCEPT) | |
1133 | && FD_ISSET(form->fds[i].fd, &exceptSet))) break; | |
1134 | } | |
1135 | if(i < form->numFds) | |
1136 | es->u.watch = form->fds[i].fd; | |
1137 | else | |
1138 | es->u.watch = -1; | |
1139 | ||
1140 | es->reason = NEWT_EXIT_FDREADY; | |
1141 | done = 1; | |
1142 | } | |
1143 | } | |
45f6c4fd | 1144 | } |
c4827b34 | 1145 | newtRefresh(); |
33b9b6eb | 1146 | #ifdef USE_GPM |
45f6c4fd | 1147 | Gpm_Close(); |
1148 | #endif | |
6fb96a3f | 1149 | } |
1150 | ||
434c766b | 1151 | static struct eventResult sendEvent(newtComponent co, struct event ev) { |
1152 | struct eventResult er; | |
1153 | ||
1154 | ev.when = EV_EARLY; | |
1155 | er = co->ops->event(co, ev); | |
1156 | ||
1157 | if (er.result == ER_IGNORED) { | |
6f481af2 | 1158 | ev.when = EV_NORMAL; |
1159 | er = co->ops->event(co, ev); | |
434c766b | 1160 | } |
1161 | ||
1162 | if (er.result == ER_IGNORED) { | |
6f481af2 | 1163 | ev.when = EV_LATE; |
1164 | er = co->ops->event(co, ev); | |
434c766b | 1165 | } |
1166 | ||
1167 | return er; | |
1168 | } | |
1169 | ||
ad2dca95 DW |
1170 | static void gotoComponent(newtComponent co, int newComp) { |
1171 | struct form * form = co->data; | |
6fb96a3f | 1172 | struct event ev; |
1173 | ||
1174 | if (form->currComp != -1) { | |
6f481af2 | 1175 | ev.event = EV_UNFOCUS; |
1176 | sendEvent(form->elements[form->currComp].co, ev); | |
6fb96a3f | 1177 | } |
1178 | ||
1179 | form->currComp = newComp; | |
45f6c4fd | 1180 | |
f5daa14e | 1181 | if (form->currComp != -1) { |
6f481af2 | 1182 | ev.event = EV_FOCUS; |
1183 | ev.when = EV_NORMAL; | |
1184 | sendEvent(form->elements[form->currComp].co, ev); | |
f5daa14e | 1185 | } |
ad2dca95 DW |
1186 | |
1187 | if (co->callback) | |
1188 | co->callback(co, co->callbackData); | |
6fb96a3f | 1189 | } |
da151ca8 | 1190 | |
1191 | void newtComponentAddCallback(newtComponent co, newtCallback f, void * data) { | |
1192 | co->callback = f; | |
1193 | co->callbackData = data; | |
1194 | } | |
1195 | ||
c101e99e RJ |
1196 | /* Add a callback which is called when the component is destroyed. */ |
1197 | void newtComponentAddDestroyCallback(newtComponent co, | |
1198 | newtCallback f, void * data) { | |
1199 | co->destroyCallback = f; | |
1200 | co->destroyCallbackData = data; | |
1201 | } | |
1202 | ||
41d86a3c | 1203 | void newtComponentTakesFocus(newtComponent co, int val) { |
1204 | co->takesFocus = val; | |
1205 | } | |
1206 | ||
8f4e87fc | 1207 | void newtFormSetBackground(newtComponent co, int color) { |
1208 | struct form * form = co->data; | |
1209 | ||
1210 | form->background = color; | |
1211 | } | |
d02ffb49 | 1212 | |
1213 | void newtFormWatchFd(newtComponent co, int fd, int fdFlags) { | |
1214 | struct form * form = co->data; | |
005d8237 | 1215 | int i; |
1216 | ||
1217 | for (i = 0; i < form->numFds; i++) | |
1218 | if (form->fds[i].fd == fd) | |
6f481af2 | 1219 | break; |
005d8237 | 1220 | |
1221 | if(i >= form->numFds) | |
1222 | form->fds = realloc(form->fds, (++form->numFds) * sizeof(*form->fds)); | |
d02ffb49 | 1223 | |
005d8237 | 1224 | form->fds[i].fd = fd; |
1225 | form->fds[i].flags = fdFlags; | |
d02ffb49 | 1226 | if (form->maxFd < fd) form->maxFd = fd; |
1227 | } | |
72b71fa6 | 1228 | |
1229 | void newtSetHelpCallback(newtCallback cb) { | |
1230 | helpCallback = cb; | |
1231 | } |