apps/irssi/src/fe-common/core/fe-windows.c

   1 /*
   2  windows.c : irssi
   3
   4     Copyright (C) 1999-2000 Timo Sirainen
   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 2 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, write to the Free Software
  18     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 */
  20
  21 #include "module.h"
  22 #include "module-formats.h"
  23 #include "modules.h"
  24 #include "signals.h"
  25 #include "commands.h"
  26 #include "servers.h"
  27 #include "misc.h"
  28 #include "settings.h"
  29
  30 #include "levels.h"
  31
  32 #include "printtext.h"
  33 #include "fe-windows.h"
  34 #include "window-items.h"
  35
  36 GSList *windows; /* first in the list is the active window,
  37                     next is the last active, etc. */
  38 WINDOW_REC *active_win;
  39
  40 static int daytag;
  41 static int daycheck; /* 0 = don't check, 1 = time is 00:00, check,
  42                         2 = time is 00:00, already checked */
  43
  44 static int window_get_new_refnum(void)
  45 {
  46         WINDOW_REC *win;
  47         GSList *tmp;
  48         int refnum;
  49
  50         refnum = 1;
  51         tmp = windows;
  52         while (tmp != NULL) {
  53                 win = tmp->data;
  54
  55                 if (refnum != win->refnum) {
  56                         tmp = tmp->next;
  57                         continue;
  58                 }
  59
  60                 refnum++;
  61                 tmp = windows;
  62         }
  63
  64         return refnum;
  65 }
  66
  67 WINDOW_REC *window_create(WI_ITEM_REC *item, int automatic)
  68 {
  69         WINDOW_REC *rec;
  70
  71         rec = g_new0(WINDOW_REC, 1);
  72         rec->refnum = window_get_new_refnum();
  73         rec->level = level2bits(settings_get_str("window_default_level"));
  74
  75         windows = g_slist_prepend(windows, rec);
  76         signal_emit("window created", 2, rec, GINT_TO_POINTER(automatic));
  77
  78         if (item != NULL) window_item_add(rec, item, automatic);
  79         if (windows->next == NULL || !automatic || settings_get_bool("window_auto_change")) {
  80                 if (automatic && windows->next != NULL)
  81                         signal_emit("window changed automatic", 1, rec);
  82                 window_set_active(rec);
  83         }
  84         return rec;
  85 }
  86
  87 /* removed_refnum was removed from the windows list, pack the windows so
  88    there won't be any holes. If there is any holes after removed_refnum,
  89    leave the windows behind it alone. */
  90 static void windows_pack(int removed_refnum)
  91 {
  92         WINDOW_REC *window;
  93         int refnum;
  94
  95         for (refnum = removed_refnum+1;; refnum++) {
  96                 window = window_find_refnum(refnum);
  97                 if (window == NULL || window->sticky_refnum)
  98                         break;
  99
 100                 window_set_refnum(window, refnum-1);
 101         }
 102 }
 103
 104 void window_destroy(WINDOW_REC *window)
 105 {
 106         g_return_if_fail(window != NULL);
 107
 108         if (window->destroying) return;
 109         window->destroying = TRUE;
 110         windows = g_slist_remove(windows, window);
 111
 112         if (active_win == window && windows != NULL) {
 113                 active_win = NULL; /* it's corrupted */
 114                 window_set_active(windows->data);
 115         }
 116
 117         while (window->items != NULL)
 118                 window_item_destroy(window->items->data);
 119
 120         if (settings_get_bool("windows_auto_renumber"))
 121                 windows_pack(window->refnum);
 122
 123         signal_emit("window destroyed", 1, window);
 124
 125         while (window->bound_items != NULL)
 126                 window_bind_destroy(window, window->bound_items->data);
 127
 128         g_free_not_null(window->hilight_color);
 129         g_free_not_null(window->servertag);
 130         g_free_not_null(window->theme_name);
 131         g_free_not_null(window->name);
 132         g_free(window);
 133 }
 134
 135 void window_auto_destroy(WINDOW_REC *window)
 136 {
 137         if (settings_get_bool("autoclose_windows") && windows->next != NULL &&
 138             window->items == NULL && window->bound_items == NULL &&
 139             window->level == 0 && !window->immortal)
 140                 window_destroy(window);
 141 }
 142
 143 void window_set_active(WINDOW_REC *window)
 144 {
 145         WINDOW_REC *old_window;
 146
 147         if (window == active_win)
 148                 return;
 149
 150         old_window = active_win;
 151         active_win = window;
 152         if (active_win != NULL) {
 153                 windows = g_slist_remove(windows, active_win);
 154                 windows = g_slist_prepend(windows, active_win);
 155         }
 156
 157         if (active_win != NULL)
 158                 signal_emit("window changed", 2, active_win, old_window);
 159 }
 160
 161 void window_change_server(WINDOW_REC *window, void *server)
 162 {
 163         window->active_server = server;
 164         signal_emit("window server changed", 2, window, server);
 165 }
 166
 167 void window_set_refnum(WINDOW_REC *window, int refnum)
 168 {
 169         GSList *tmp;
 170         int old_refnum;
 171
 172         g_return_if_fail(window != NULL);
 173         g_return_if_fail(refnum >= 1);
 174         if (window->refnum == refnum) return;
 175
 176         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 177                 WINDOW_REC *rec = tmp->data;
 178
 179                 if (rec->refnum == refnum) {
 180                         rec->refnum = window->refnum;
 181                         signal_emit("window refnum changed", 2, rec, GINT_TO_POINTER(refnum));
 182                         break;
 183                 }
 184         }
 185
 186         old_refnum = window->refnum;
 187         window->refnum = refnum;
 188         signal_emit("window refnum changed", 2, window, GINT_TO_POINTER(old_refnum));
 189 }
 190
 191 void window_set_name(WINDOW_REC *window, const char *name)
 192 {
 193         g_free_not_null(window->name);
 194         window->name = g_strdup(name);
 195
 196         signal_emit("window name changed", 1, window);
 197 }
 198
 199 void window_set_history(WINDOW_REC *window, const char *name)
 200 {
 201         char *oldname;
 202         oldname = window->history_name;
 203
 204         if (name == NULL || *name == '\0')
 205                 window->history_name = NULL;
 206         else
 207                 window->history_name = g_strdup(name);
 208
 209         signal_emit("window history changed", 1, window, oldname);
 210
 211         g_free_not_null(oldname);
 212 }
 213
 214 void window_set_level(WINDOW_REC *window, int level)
 215 {
 216         g_return_if_fail(window != NULL);
 217
 218         window->level = level;
 219         signal_emit("window level changed", 1, window);
 220 }
 221
 222 void window_set_immortal(WINDOW_REC *window, int immortal)
 223 {
 224         g_return_if_fail(window != NULL);
 225
 226         window->immortal = immortal;
 227         signal_emit("window immortal changed", 1, window);
 228 }
 229
 230 /* return active item's name, or if none is active, window's name */
 231 char *window_get_active_name(WINDOW_REC *window)
 232 {
 233         g_return_val_if_fail(window != NULL, NULL);
 234
 235         if (window->active != NULL)
 236                 return window->active->name;
 237
 238         return window->name;
 239 }
 240
 241 WINDOW_REC *window_find_level(void *server, int level)
 242 {
 243         WINDOW_REC *match;
 244         GSList *tmp;
 245
 246         match = NULL;
 247         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 248                 WINDOW_REC *rec = tmp->data;
 249
 250                 if ((server == NULL || rec->active_server == server) &&
 251                     (rec->level & level)) {
 252                         if (server == NULL || rec->active_server == server)
 253                                 return rec;
 254                         match = rec;
 255                 }
 256         }
 257
 258         return match;
 259 }
 260
 261 WINDOW_REC *window_find_closest(void *server, const char *name, int level)
 262 {
 263         WINDOW_REC *window,*namewindow=NULL;
 264         WI_ITEM_REC *item;
 265
 266         /* match by name */
 267         item = name == NULL ? NULL :
 268                 window_item_find(server, name);
 269         if (item != NULL) {
 270                 namewindow = window_item_window(item);
 271                 if (namewindow != NULL && ((namewindow->level & level) != 0 ||
 272                     !settings_get_bool("window_check_level_first")))
 273                   return namewindow;
 274         }
 275
 276         /* match by level */
 277         if (level != MSGLEVEL_HILIGHT)
 278                 level &= ~(MSGLEVEL_HILIGHT | MSGLEVEL_NOHILIGHT);
 279         window = window_find_level(server, level);
 280         if (window != NULL) return window;
 281
 282         /* match by level - ignore server */
 283         window = window_find_level(NULL, level);
 284         if (window != NULL) return window;
 285
 286         /* still return item's window if we didnt find anything */
 287         if (namewindow != NULL) return namewindow;
 288
 289         /* fallback to active */
 290         return active_win;
 291 }
 292
 293 WINDOW_REC *window_find_refnum(int refnum)
 294 {
 295         GSList *tmp;
 296
 297         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 298                 WINDOW_REC *rec = tmp->data;
 299
 300                 if (rec->refnum == refnum)
 301                         return rec;
 302         }
 303
 304         return NULL;
 305 }
 306
 307 WINDOW_REC *window_find_name(const char *name)
 308 {
 309         GSList *tmp;
 310
 311         g_return_val_if_fail(name != NULL, NULL);
 312
 313         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 314                 WINDOW_REC *rec = tmp->data;
 315
 316                 if (rec->name != NULL && g_strcasecmp(rec->name, name) == 0)
 317                         return rec;
 318         }
 319
 320         return NULL;
 321 }
 322
 323 WINDOW_REC *window_find_item(SERVER_REC *server, const char *name)
 324 {
 325         WINDOW_REC *rec;
 326         WI_ITEM_REC *item;
 327
 328         g_return_val_if_fail(name != NULL, NULL);
 329
 330         rec = window_find_name(name);
 331         if (rec != NULL) return rec;
 332
 333         item = server == NULL ? NULL :
 334                 window_item_find(server, name);
 335         if (item == NULL && server == NULL) {
 336                 /* not found from the active server - any server? */
 337                 item = window_item_find(NULL, name);
 338         }
 339
 340         if (item == NULL) {
 341                 char *chan;
 342
 343                 /* still nothing? maybe user just left the # in front of
 344                    channel, try again with it.. */
 345                 chan = g_strdup_printf("#%s", name);
 346                 item = server == NULL ? NULL :
 347                         window_item_find(server, chan);
 348                 if (item == NULL) item = window_item_find(NULL, chan);
 349                 g_free(chan);
 350         }
 351
 352         if (item == NULL)
 353                 return 0;
 354
 355         return window_item_window(item);
 356 }
 357
 358 int window_refnum_prev(int refnum, int wrap)
 359 {
 360         GSList *tmp;
 361         int prev, max;
 362
 363         max = prev = -1;
 364         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 365                 WINDOW_REC *rec = tmp->data;
 366
 367                 if (rec->refnum < refnum && (prev == -1 || rec->refnum > prev))
 368                         prev = rec->refnum;
 369                 if (wrap && (max == -1 || rec->refnum > max))
 370                         max = rec->refnum;
 371         }
 372
 373         return prev != -1 ? prev : max;
 374 }
 375
 376 int window_refnum_next(int refnum, int wrap)
 377 {
 378         GSList *tmp;
 379         int min, next;
 380
 381         min = next = -1;
 382         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 383                 WINDOW_REC *rec = tmp->data;
 384
 385                 if (rec->refnum > refnum && (next == -1 || rec->refnum < next))
 386                         next = rec->refnum;
 387                 if (wrap && (min == -1 || rec->refnum < min))
 388                         min = rec->refnum;
 389         }
 390
 391         return next != -1 ? next : min;
 392 }
 393
 394 int windows_refnum_last(void)
 395 {
 396         GSList *tmp;
 397         int max;
 398
 399         max = -1;
 400         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 401                 WINDOW_REC *rec = tmp->data;
 402
 403                 if (rec->refnum > max)
 404                         max = rec->refnum;
 405         }
 406
 407         return max;
 408 }
 409
 410 int window_refnum_cmp(WINDOW_REC *w1, WINDOW_REC *w2)
 411 {
 412         return w1->refnum < w2->refnum ? -1 : 1;
 413 }
 414
 415 GSList *windows_get_sorted(void)
 416 {
 417         GSList *tmp, *sorted;
 418
 419         sorted = NULL;
 420         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 421                 WINDOW_REC *rec = tmp->data;
 422
 423                 sorted = g_slist_insert_sorted(sorted, rec, (GCompareFunc)
 424                                                window_refnum_cmp);
 425         }
 426
 427         return sorted;
 428 }
 429
 430 /* Add a new bind to window - if duplicate is found it's returned */
 431 WINDOW_BIND_REC *window_bind_add(WINDOW_REC *window, const char *servertag,
 432                                  const char *name)
 433 {
 434         WINDOW_BIND_REC *rec;
 435
 436         g_return_val_if_fail(window != NULL, NULL);
 437         g_return_val_if_fail(servertag != NULL, NULL);
 438         g_return_val_if_fail(name != NULL, NULL);
 439
 440         rec = window_bind_find(window, servertag, name);
 441         if (rec != NULL)
 442                 return rec;
 443
 444         rec = g_new0(WINDOW_BIND_REC, 1);
 445         rec->name = g_strdup(name);
 446         rec->servertag = g_strdup(servertag);
 447
 448         window->bound_items = g_slist_append(window->bound_items, rec);
 449         return rec;
 450 }
 451
 452 void window_bind_destroy(WINDOW_REC *window, WINDOW_BIND_REC *rec)
 453 {
 454         g_return_if_fail(window != NULL);
 455         g_return_if_fail(rec != NULL);
 456
 457         window->bound_items = g_slist_remove(window->bound_items, rec);
 458
 459         g_free(rec->servertag);
 460         g_free(rec->name);
 461         g_free(rec);
 462 }
 463
 464 WINDOW_BIND_REC *window_bind_find(WINDOW_REC *window, const char *servertag,
 465                                   const char *name)
 466 {
 467         GSList *tmp;
 468
 469         g_return_val_if_fail(window != NULL, NULL);
 470         g_return_val_if_fail(servertag != NULL, NULL);
 471         g_return_val_if_fail(name != NULL, NULL);
 472
 473         for (tmp = window->bound_items; tmp != NULL; tmp = tmp->next) {
 474                 WINDOW_BIND_REC *rec = tmp->data;
 475
 476                 if (g_strcasecmp(rec->name, name) == 0 &&
 477                     g_strcasecmp(rec->servertag, servertag) == 0)
 478                         return rec;
 479         }
 480
 481         return NULL;
 482 }
 483
 484 void window_bind_remove_unsticky(WINDOW_REC *window)
 485 {
 486         GSList *tmp, *next;
 487
 488         for (tmp = window->bound_items; tmp != NULL; tmp = next) {
 489                 WINDOW_BIND_REC *rec = tmp->data;
 490
 491                 next = tmp->next;
 492                 if (!rec->sticky)
 493                         window_bind_destroy(window, rec);
 494         }
 495 }
 496
 497 static void sig_server_looking(SERVER_REC *server)
 498 {
 499         GSList *tmp;
 500
 501         g_return_if_fail(server != NULL);
 502
 503         /* Try to keep some server assigned to windows..
 504            Also change active window's server if the window is empty */
 505         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 506                 WINDOW_REC *rec = tmp->data;
 507
 508                 if ((rec->servertag == NULL ||
 509                      g_strcasecmp(rec->servertag, server->tag) == 0) &&
 510                     (rec->active_server == NULL ||
 511                      (rec == active_win && rec->items == NULL)))
 512                         window_change_server(rec, server);
 513         }
 514 }
 515
 516 static void sig_server_disconnected(SERVER_REC *server)
 517 {
 518         GSList *tmp;
 519         SERVER_REC *new_server;
 520
 521         g_return_if_fail(server != NULL);
 522
 523         new_server = servers == NULL ? NULL : servers->data;
 524         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 525                 WINDOW_REC *rec = tmp->data;
 526
 527                 if (rec->active_server == server) {
 528                         window_change_server(rec, rec->servertag != NULL ?
 529                                              NULL : new_server);
 530                 }
 531         }
 532 }
 533
 534 static void window_print_daychange(WINDOW_REC *window, struct tm *tm)
 535 {
 536         THEME_REC *theme;
 537         TEXT_DEST_REC dest;
 538         char *format, str[256];
 539
 540         theme = active_win->theme != NULL ? active_win->theme : current_theme;
 541         format_create_dest(&dest, NULL, NULL, MSGLEVEL_NEVER, window);
 542         format = format_get_text_theme(theme, MODULE_NAME, &dest,
 543                                        TXT_DAYCHANGE);
 544         if (strftime(str, sizeof(str), format, tm) <= 0)
 545                 str[0] = '\0';
 546         g_free(format);
 547
 548         printtext_string_window(window, MSGLEVEL_NEVER, str);
 549 }
 550
 551 static void sig_print_text(void)
 552 {
 553         GSList *tmp;
 554         time_t t;
 555         struct tm *tm;
 556
 557         t = time(NULL);
 558         tm = localtime(&t);
 559         if (tm->tm_hour != 0 || tm->tm_min != 0)
 560                 return;
 561
 562         daycheck = 2;
 563         signal_remove("print text", (SIGNAL_FUNC) sig_print_text);
 564
 565         /* day changed, print notice about it to every window */
 566         for (tmp = windows; tmp != NULL; tmp = tmp->next)
 567                 window_print_daychange(tmp->data, tm);
 568 }
 569
 570 static int sig_check_daychange(void)
 571 {
 572         time_t t;
 573         struct tm *tm;
 574
 575         t = time(NULL);
 576         tm = localtime(&t);
 577
 578         if (daycheck == 1 && tm->tm_hour == 0 && tm->tm_min == 0) {
 579                 sig_print_text();
 580                 return TRUE;
 581         }
 582
 583         if (tm->tm_hour != 23 || tm->tm_min != 59) {
 584                 daycheck = 0;
 585                 return TRUE;
 586         }
 587
 588         /* time is 23:59 */
 589         if (daycheck == 0) {
 590                 daycheck = 1;
 591                 signal_add("print text", (SIGNAL_FUNC) sig_print_text);
 592         }
 593         return TRUE;
 594 }
 595
 596 static void read_settings(void)
 597 {
 598         if (daytag != -1) {
 599                 g_source_remove(daytag);
 600                 daytag = -1;
 601         }
 602
 603         if (settings_get_bool("timestamps"))
 604                 daytag = g_timeout_add(30000, (GSourceFunc) sig_check_daychange, NULL);
 605 }
 606
 607 void windows_init(void)
 608 {
 609         active_win = NULL;
 610         daycheck = 0; daytag = -1;
 611         settings_add_bool("lookandfeel", "window_auto_change", FALSE);
 612         settings_add_bool("lookandfeel", "windows_auto_renumber", TRUE);
 613         settings_add_bool("lookandfeel", "window_check_level_first", FALSE);
 614         settings_add_str("lookandfeel", "window_default_level", "NONE");
 615
 616         read_settings();
 617         signal_add("server looking", (SIGNAL_FUNC) sig_server_looking);
 618         signal_add("server disconnected", (SIGNAL_FUNC) sig_server_disconnected);
 619         signal_add("server connect failed", (SIGNAL_FUNC) sig_server_disconnected);
 620         signal_add("setup changed", (SIGNAL_FUNC) read_settings);
 621 }
 622
 623 void windows_deinit(void)
 624 {
 625         if (daytag != -1) g_source_remove(daytag);
 626         if (daycheck == 1) signal_remove("print text", (SIGNAL_FUNC) sig_print_text);
 627
 628         signal_remove("server looking", (SIGNAL_FUNC) sig_server_looking);
 629         signal_remove("server disconnected", (SIGNAL_FUNC) sig_server_disconnected);
 630         signal_remove("server connect failed", (SIGNAL_FUNC) sig_server_disconnected);
 631         signal_remove("setup changed", (SIGNAL_FUNC) read_settings);
 632 }