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
  74         windows = g_slist_prepend(windows, rec);
  75         signal_emit("window created", 2, rec, GINT_TO_POINTER(automatic));
  76
  77         if (item != NULL) window_item_add(rec, item, automatic);
  78         if (windows->next == NULL || !automatic || settings_get_bool("window_auto_change")) {
  79                 if (automatic && windows->next != NULL)
  80                         signal_emit("window changed automatic", 1, rec);
  81                 window_set_active(rec);
  82         }
  83         return rec;
  84 }
  85
  86 /* removed_refnum was removed from the windows list, pack the windows so
  87    there won't be any holes. If there is any holes after removed_refnum,
  88    leave the windows behind it alone. */
  89 static void windows_pack(int removed_refnum)
  90 {
  91         WINDOW_REC *window;
  92         int refnum;
  93
  94         for (refnum = removed_refnum+1;; refnum++) {
  95                 window = window_find_refnum(refnum);
  96                 if (window == NULL || window->sticky_refnum)
  97                         break;
  98
  99                 window_set_refnum(window, refnum-1);
 100         }
 101 }
 102
 103 void window_destroy(WINDOW_REC *window)
 104 {
 105         g_return_if_fail(window != NULL);
 106
 107         if (window->destroying) return;
 108         window->destroying = TRUE;
 109         windows = g_slist_remove(windows, window);
 110
 111         if (active_win == window && windows != NULL) {
 112                 active_win = NULL; /* it's corrupted */
 113                 window_set_active(windows->data);
 114         }
 115
 116         while (window->items != NULL)
 117                 window_item_destroy(window->items->data);
 118
 119         if (settings_get_bool("windows_auto_renumber"))
 120                 windows_pack(window->refnum);
 121
 122         signal_emit("window destroyed", 1, window);
 123
 124         while (window->bound_items != NULL)
 125                 window_bind_destroy(window, window->bound_items->data);
 126
 127         g_free_not_null(window->hilight_color);
 128         g_free_not_null(window->servertag);
 129         g_free_not_null(window->theme_name);
 130         g_free_not_null(window->name);
 131         g_free(window);
 132 }
 133
 134 void window_auto_destroy(WINDOW_REC *window)
 135 {
 136         if (settings_get_bool("autoclose_windows") && windows->next != NULL &&
 137             window->items == NULL && window->level == 0)
 138                 window_destroy(window);
 139 }
 140
 141 void window_set_active(WINDOW_REC *window)
 142 {
 143         WINDOW_REC *old_window;
 144
 145         if (window == active_win)
 146                 return;
 147
 148         old_window = active_win;
 149         active_win = window;
 150         if (active_win != NULL) {
 151                 windows = g_slist_remove(windows, active_win);
 152                 windows = g_slist_prepend(windows, active_win);
 153         }
 154
 155         if (active_win != NULL)
 156                 signal_emit("window changed", 2, active_win, old_window);
 157 }
 158
 159 void window_change_server(WINDOW_REC *window, void *server)
 160 {
 161         window->active_server = server;
 162         signal_emit("window server changed", 2, window, server);
 163 }
 164
 165 void window_set_refnum(WINDOW_REC *window, int refnum)
 166 {
 167         GSList *tmp;
 168         int old_refnum;
 169
 170         g_return_if_fail(window != NULL);
 171         g_return_if_fail(refnum >= 1);
 172         if (window->refnum == refnum) return;
 173
 174         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 175                 WINDOW_REC *rec = tmp->data;
 176
 177                 if (rec->refnum == refnum) {
 178                         rec->refnum = window->refnum;
 179                         signal_emit("window refnum changed", 2, rec, GINT_TO_POINTER(refnum));
 180                         break;
 181                 }
 182         }
 183
 184         old_refnum = window->refnum;
 185         window->refnum = refnum;
 186         signal_emit("window refnum changed", 2, window, GINT_TO_POINTER(old_refnum));
 187 }
 188
 189 void window_set_name(WINDOW_REC *window, const char *name)
 190 {
 191         g_free_not_null(window->name);
 192         window->name = g_strdup(name);
 193
 194         signal_emit("window name changed", 1, window);
 195 }
 196
 197 void window_set_level(WINDOW_REC *window, int level)
 198 {
 199         g_return_if_fail(window != NULL);
 200
 201         window->level = level;
 202         signal_emit("window level changed", 1, window);
 203 }
 204
 205 /* return active item's name, or if none is active, window's name */
 206 char *window_get_active_name(WINDOW_REC *window)
 207 {
 208         g_return_val_if_fail(window != NULL, NULL);
 209
 210         if (window->active != NULL)
 211                 return window->active->name;
 212
 213         return window->name;
 214 }
 215
 216 WINDOW_REC *window_find_level(void *server, int level)
 217 {
 218         WINDOW_REC *match;
 219         GSList *tmp;
 220
 221         match = NULL;
 222         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 223                 WINDOW_REC *rec = tmp->data;
 224
 225                 if ((server == NULL || rec->active_server == server) &&
 226                     (rec->level & level)) {
 227                         if (server == NULL || rec->active_server == server)
 228                                 return rec;
 229                         match = rec;
 230                 }
 231         }
 232
 233         return match;
 234 }
 235
 236 WINDOW_REC *window_find_closest(void *server, const char *name, int level)
 237 {
 238         WINDOW_REC *window;
 239         WI_ITEM_REC *item;
 240
 241         /* match by name */
 242         item = name == NULL ? NULL :
 243                 window_item_find(server, name);
 244         if (item != NULL)
 245                 return window_item_window(item);
 246
 247         /* match by level */
 248         if (level != MSGLEVEL_HILIGHT)
 249                 level &= ~(MSGLEVEL_HILIGHT | MSGLEVEL_NOHILIGHT);
 250         window = window_find_level(server, level);
 251         if (window != NULL) return window;
 252
 253         /* match by level - ignore server */
 254         window = window_find_level(NULL, level);
 255         if (window != NULL) return window;
 256
 257         /* fallback to active */
 258         return active_win;
 259 }
 260
 261 WINDOW_REC *window_find_refnum(int refnum)
 262 {
 263         GSList *tmp;
 264
 265         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 266                 WINDOW_REC *rec = tmp->data;
 267
 268                 if (rec->refnum == refnum)
 269                         return rec;
 270         }
 271
 272         return NULL;
 273 }
 274
 275 WINDOW_REC *window_find_name(const char *name)
 276 {
 277         GSList *tmp;
 278
 279         g_return_val_if_fail(name != NULL, NULL);
 280
 281         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 282                 WINDOW_REC *rec = tmp->data;
 283
 284                 if (rec->name != NULL && g_strcasecmp(rec->name, name) == 0)
 285                         return rec;
 286         }
 287
 288         return NULL;
 289 }
 290
 291 WINDOW_REC *window_find_item(SERVER_REC *server, const char *name)
 292 {
 293         WINDOW_REC *rec;
 294         WI_ITEM_REC *item;
 295
 296         g_return_val_if_fail(name != NULL, NULL);
 297
 298         rec = window_find_name(name);
 299         if (rec != NULL) return rec;
 300
 301         item = server == NULL ? NULL :
 302                 window_item_find(server, name);
 303         if (item == NULL && server == NULL) {
 304                 /* not found from the active server - any server? */
 305                 item = window_item_find(NULL, name);
 306         }
 307
 308         if (item == NULL) {
 309                 char *chan;
 310
 311                 /* still nothing? maybe user just left the # in front of
 312                    channel, try again with it.. */
 313                 chan = g_strdup_printf("#%s", name);
 314                 item = server == NULL ? NULL :
 315                         window_item_find(server, chan);
 316                 if (item == NULL) item = window_item_find(NULL, chan);
 317                 g_free(chan);
 318         }
 319
 320         if (item == NULL)
 321                 return 0;
 322
 323         return window_item_window(item);
 324 }
 325
 326 int window_refnum_prev(int refnum, int wrap)
 327 {
 328         GSList *tmp;
 329         int prev, max;
 330
 331         max = prev = -1;
 332         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 333                 WINDOW_REC *rec = tmp->data;
 334
 335                 if (rec->refnum < refnum && (prev == -1 || rec->refnum > prev))
 336                         prev = rec->refnum;
 337                 if (wrap && (max == -1 || rec->refnum > max))
 338                         max = rec->refnum;
 339         }
 340
 341         return prev != -1 ? prev : max;
 342 }
 343
 344 int window_refnum_next(int refnum, int wrap)
 345 {
 346         GSList *tmp;
 347         int min, next;
 348
 349         min = next = -1;
 350         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 351                 WINDOW_REC *rec = tmp->data;
 352
 353                 if (rec->refnum > refnum && (next == -1 || rec->refnum < next))
 354                         next = rec->refnum;
 355                 if (wrap && (min == -1 || rec->refnum < min))
 356                         min = rec->refnum;
 357         }
 358
 359         return next != -1 ? next : min;
 360 }
 361
 362 int windows_refnum_last(void)
 363 {
 364         GSList *tmp;
 365         int max;
 366
 367         max = -1;
 368         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 369                 WINDOW_REC *rec = tmp->data;
 370
 371                 if (rec->refnum > max)
 372                         max = rec->refnum;
 373         }
 374
 375         return max;
 376 }
 377
 378 static int window_refnum_cmp(WINDOW_REC *w1, WINDOW_REC *w2)
 379 {
 380         return w1->refnum < w2->refnum ? -1 : 1;
 381 }
 382
 383 GSList *windows_get_sorted(void)
 384 {
 385         GSList *tmp, *sorted;
 386
 387         sorted = NULL;
 388         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 389                 WINDOW_REC *rec = tmp->data;
 390
 391                 sorted = g_slist_insert_sorted(sorted, rec, (GCompareFunc)
 392                                                window_refnum_cmp);
 393         }
 394
 395         return sorted;
 396 }
 397
 398 WINDOW_BIND_REC *window_bind_add(WINDOW_REC *window, const char *servertag,
 399                                  const char *name)
 400 {
 401         WINDOW_BIND_REC *rec;
 402
 403         g_return_val_if_fail(window != NULL, NULL);
 404         g_return_val_if_fail(servertag != NULL, NULL);
 405         g_return_val_if_fail(name != NULL, NULL);
 406
 407         rec = g_new0(WINDOW_BIND_REC, 1);
 408         rec->name = g_strdup(name);
 409         rec->servertag = g_strdup(servertag);
 410
 411         window->bound_items = g_slist_append(window->bound_items, rec);
 412         return rec;
 413 }
 414
 415 void window_bind_destroy(WINDOW_REC *window, WINDOW_BIND_REC *rec)
 416 {
 417         g_return_if_fail(window != NULL);
 418         g_return_if_fail(rec != NULL);
 419
 420         window->bound_items = g_slist_remove(window->bound_items, rec);
 421
 422         g_free(rec->servertag);
 423         g_free(rec->name);
 424         g_free(rec);
 425 }
 426
 427 WINDOW_BIND_REC *window_bind_find(WINDOW_REC *window, const char *servertag,
 428                                   const char *name)
 429 {
 430         GSList *tmp;
 431
 432         g_return_val_if_fail(window != NULL, NULL);
 433         g_return_val_if_fail(servertag != NULL, NULL);
 434         g_return_val_if_fail(name != NULL, NULL);
 435
 436         for (tmp = window->bound_items; tmp != NULL; tmp = tmp->next) {
 437                 WINDOW_BIND_REC *rec = tmp->data;
 438
 439                 if (g_strcasecmp(rec->name, name) == 0 &&
 440                     g_strcasecmp(rec->servertag, servertag) == 0)
 441                         return rec;
 442         }
 443
 444         return NULL;
 445 }
 446
 447 void window_bind_remove_unsticky(WINDOW_REC *window)
 448 {
 449         GSList *tmp, *next;
 450
 451         for (tmp = window->bound_items; tmp != NULL; tmp = next) {
 452                 WINDOW_BIND_REC *rec = tmp->data;
 453
 454                 next = tmp->next;
 455                 if (!rec->sticky)
 456                         window_bind_destroy(window, rec);
 457         }
 458 }
 459
 460 static void sig_server_looking(SERVER_REC *server)
 461 {
 462         GSList *tmp;
 463
 464         g_return_if_fail(server != NULL);
 465
 466         /* Try to keep some server assigned to windows..
 467            Also change active window's server if the window is empty */
 468         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 469                 WINDOW_REC *rec = tmp->data;
 470
 471                 if ((rec->servertag == NULL ||
 472                      g_strcasecmp(rec->servertag, server->tag) == 0) &&
 473                     (rec->active_server == NULL ||
 474                      (rec == active_win && rec->items == NULL)))
 475                         window_change_server(rec, server);
 476         }
 477 }
 478
 479 static void sig_server_disconnected(SERVER_REC *server)
 480 {
 481         GSList *tmp;
 482         SERVER_REC *new_server;
 483
 484         g_return_if_fail(server != NULL);
 485
 486         new_server = servers == NULL ? NULL : servers->data;
 487         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 488                 WINDOW_REC *rec = tmp->data;
 489
 490                 if (rec->active_server == server) {
 491                         window_change_server(rec, rec->servertag != NULL ?
 492                                              NULL : new_server);
 493                 }
 494         }
 495 }
 496
 497 static void sig_print_text(void)
 498 {
 499         GSList *tmp;
 500         char month[100];
 501         time_t t;
 502         struct tm *tm;
 503
 504         t = time(NULL);
 505         tm = localtime(&t);
 506         if (strftime(month, sizeof(month), "%b", tm) <= 0)
 507                 month[0] = '\0';
 508
 509         if (tm->tm_hour != 0 || tm->tm_min != 0)
 510                 return;
 511
 512         daycheck = 2;
 513         signal_remove("print text", (SIGNAL_FUNC) sig_print_text);
 514
 515         /* day changed, print notice about it to every window */
 516         for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 517                 printformat_window(tmp->data, MSGLEVEL_NEVER, TXT_DAYCHANGE,
 518                                    tm->tm_mday, tm->tm_mon+1,
 519                                    1900+tm->tm_year, month);
 520         }
 521 }
 522
 523 static int sig_check_daychange(void)
 524 {
 525         time_t t;
 526         struct tm *tm;
 527
 528         t = time(NULL);
 529         tm = localtime(&t);
 530
 531         if (daycheck == 1 && tm->tm_hour == 0 && tm->tm_min == 0) {
 532                 sig_print_text();
 533                 return TRUE;
 534         }
 535
 536         if (tm->tm_hour != 23 || tm->tm_min != 59) {
 537                 daycheck = 0;
 538                 return TRUE;
 539         }
 540
 541         /* time is 23:59 */
 542         if (daycheck == 0) {
 543                 daycheck = 1;
 544                 signal_add("print text", (SIGNAL_FUNC) sig_print_text);
 545         }
 546         return TRUE;
 547 }
 548
 549 static void read_settings(void)
 550 {
 551         if (daytag != -1) {
 552                 g_source_remove(daytag);
 553                 daytag = -1;
 554         }
 555
 556         if (settings_get_bool("timestamps"))
 557                 daytag = g_timeout_add(30000, (GSourceFunc) sig_check_daychange, NULL);
 558 }
 559
 560 void windows_init(void)
 561 {
 562         active_win = NULL;
 563         daycheck = 0; daytag = -1;
 564         settings_add_bool("lookandfeel", "window_auto_change", FALSE);
 565         settings_add_bool("lookandfeel", "windows_auto_renumber", TRUE);
 566
 567         read_settings();
 568         signal_add("server looking", (SIGNAL_FUNC) sig_server_looking);
 569         signal_add("server disconnected", (SIGNAL_FUNC) sig_server_disconnected);
 570         signal_add("server connect failed", (SIGNAL_FUNC) sig_server_disconnected);
 571         signal_add("setup changed", (SIGNAL_FUNC) read_settings);
 572 }
 573
 574 void windows_deinit(void)
 575 {
 576         if (daytag != -1) g_source_remove(daytag);
 577         if (daycheck == 1) signal_remove("print text", (SIGNAL_FUNC) sig_print_text);
 578
 579         signal_remove("server looking", (SIGNAL_FUNC) sig_server_looking);
 580         signal_remove("server disconnected", (SIGNAL_FUNC) sig_server_disconnected);
 581         signal_remove("server connect failed", (SIGNAL_FUNC) sig_server_disconnected);
 582         signal_remove("setup changed", (SIGNAL_FUNC) read_settings);
 583 }