src/prefs_gtk.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #define _GNU_SOURCE
  26 #include <stdio.h>
  27
  28 #include <glib.h>
  29 #include <glib/gi18n.h>
  30 #include <gtk/gtk.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <unistd.h>
  34 #include <errno.h>
  35
  36 #include "defs.h"
  37 #include "main.h"
  38 #include "prefs.h"
  39 #include "prefs_gtk.h"
  40 #include "prefs_common.h"
  41 #include "utils.h"
  42 #include "gtkutils.h"
  43 #include "passcrypt.h"
  44 #include "base64.h"
  45 #include "codeconv.h"
  46
  47 #define CL(x)   (((gulong) (x) >> (gulong) 8) & 0xFFUL)
  48 #define RGB_FROM_GDK_COLOR(c) \
  49         ((CL(c.red)   << (gulong) 16) | \
  50          (CL(c.green) << (gulong)  8) | \
  51          (CL(c.blue)))
  52
  53 #ifdef HAVE_FGETS_UNLOCKED
  54 #define SC_FGETS fgets_unlocked
  55 #else
  56 #define SC_FGETS fgets
  57 #endif
  58
  59 typedef enum
  60 {
  61         DUMMY_PARAM
  62 } DummyEnum;
  63
  64 static GHashTable *whole_cache = NULL;
  65
  66 static gboolean prefs_read_config_from_cache(PrefParam *param, const gchar *label,
  67                                const gchar *rcfile);
  68
  69 static void prefs_config_parse_one_line(PrefParam       *param,
  70                                          const gchar    *buf);
  71
  72 void prefs_read_config(PrefParam *param, const gchar *label,
  73                        const gchar *rcfile, const gchar *encoding)
  74 {
  75         FILE *fp;
  76         gchar buf[PREFSBUFSIZE];
  77         gchar *block_label;
  78
  79         cm_return_if_fail(param != NULL);
  80         cm_return_if_fail(label != NULL);
  81         cm_return_if_fail(rcfile != NULL);
  82
  83         if (encoding != NULL)
  84                 g_warning("Encoding is ignored\n");
  85
  86         debug_print("Reading configuration...\n");
  87
  88         prefs_set_default(param);
  89
  90         if (whole_cache != NULL) {
  91                 if (prefs_read_config_from_cache(param, label, rcfile) == TRUE)
  92                         return;
  93         }
  94
  95         if ((fp = g_fopen(rcfile, "rb")) == NULL) {
  96                 if (ENOENT != errno) FILE_OP_ERROR(rcfile, "fopen");
  97                 return;
  98         }
  99
 100         block_label = g_strdup_printf("[%s]", label);
 101
 102 #ifdef HAVE_FGETS_UNLOCKED
 103         flockfile(fp);
 104 #endif
 105
 106         /* search aiming block */
 107         while (SC_FGETS(buf, sizeof(buf), fp) != NULL) {
 108                 gint val;
 109
 110                 if (encoding) {
 111                         gchar *conv_str;
 112
 113                         conv_str = conv_codeset_strdup
 114                                 (buf, encoding, CS_INTERNAL);
 115                         if (!conv_str)
 116                                 conv_str = g_strdup(buf);
 117                         val = strncmp
 118                                 (conv_str, block_label, strlen(block_label));
 119                         g_free(conv_str);
 120                 } else
 121                         val = strncmp(buf, block_label, strlen(block_label));
 122                 if (val == 0) {
 123                         debug_print("Found %s\n", block_label);
 124                         break;
 125                 }
 126         }
 127         g_free(block_label);
 128
 129         while (SC_FGETS(buf, sizeof(buf), fp) != NULL) {
 130                 strretchomp(buf);
 131                 /* reached next block */
 132                 if (buf[0] == '[') break;
 133                 if (buf[0] == '#') continue;
 134
 135                 if (encoding) {
 136                         gchar *conv_str;
 137
 138                         conv_str = conv_codeset_strdup
 139                                 (buf, encoding, CS_INTERNAL);
 140                         if (!conv_str)
 141                                 conv_str = g_strdup(buf);
 142                         prefs_config_parse_one_line(param, conv_str);
 143                         g_free(conv_str);
 144                 } else
 145                         prefs_config_parse_one_line(param, buf);
 146         }
 147
 148         debug_print("Finished reading configuration.\n");
 149 #ifdef HAVE_FGETS_UNLOCKED
 150         funlockfile(fp);
 151 #endif
 152         fclose(fp);
 153 }
 154
 155 static void prefs_config_parse_one_line(PrefParam *param, const gchar *buf)
 156 {
 157         gint i;
 158         gint name_len;
 159         const gchar *value;
 160         GdkColor color;
 161
 162         for (i = 0; param[i].name != NULL; i++) {
 163                 name_len = strlen(param[i].name);
 164                 if (g_ascii_strncasecmp(buf, param[i].name, name_len))
 165                         continue;
 166                 if (buf[name_len] != '=')
 167                         continue;
 168                 value = buf + name_len + 1;
 169                 /* debug_print("%s = %s\n", param[i].name, value); */
 170
 171                 switch (param[i].type) {
 172                 case P_STRING:
 173                 {
 174                         gchar *tmp = NULL;
 175
 176                         if (*value) {
 177                                 if (g_utf8_validate(value, -1, NULL))
 178                                         tmp = g_strdup(value);
 179                                 else {
 180                                         tmp = conv_codeset_strdup(value,
 181                                                     conv_get_locale_charset_str_no_utf8(),
 182                                                     CS_INTERNAL);
 183                                 }
 184                         } else {
 185                                 tmp = g_strdup("");
 186                         }
 187                         if (!tmp) {
 188                                 g_warning("Failed to convert character set.");
 189                                 tmp = g_strdup(value);
 190                         }
 191                         g_free(*((gchar **)param[i].data));
 192                         *((gchar **)param[i].data) = tmp;
 193                         break;
 194                 }
 195                 case P_INT:
 196                         *((gint *)param[i].data) =
 197                                 (gint)atoi(value);
 198                         break;
 199                 case P_BOOL:
 200                         *((gboolean *)param[i].data) =
 201                                 (*value == '0' || *value == '\0')
 202                                         ? FALSE : TRUE;
 203                         break;
 204                 case P_ENUM:
 205                         *((DummyEnum *)param[i].data) =
 206                                 (DummyEnum)atoi(value);
 207                         break;
 208                 case P_USHORT:
 209                         *((gushort *)param[i].data) =
 210                                 (gushort)atoi(value);
 211                         break;
 212                 case P_COLOR:
 213                         if (gdk_color_parse(value, &color)) {
 214                                 *((gulong *)param[i].data) = RGB_FROM_GDK_COLOR(color);
 215                         }
 216                         else
 217                                 /* be compatible and accept ints */
 218                                 *((gulong *)param[i].data) = strtoul(value, 0, 10);
 219                         break;
 220                 case P_PASSWORD:
 221                         g_free(*((gchar **)param[i].data));
 222                         if (value[0] == '!') {
 223                                 gchar tmp[1024];
 224                                 gint len;
 225
 226                                 len = base64_decode(tmp, &value[1], strlen(value) - 1);
 227                                 passcrypt_decrypt(tmp, len);
 228                                 tmp[len] = '\0';
 229                                 *((gchar **)param[i].data) =
 230                                         *tmp ? g_strdup(tmp) : NULL;
 231                         } else {
 232                                 *((gchar **)param[i].data) =
 233                                         *value ? g_strdup(value) : NULL;
 234                         }
 235                         break;
 236                 default:
 237                         break;
 238                 }
 239         }
 240 }
 241
 242 #define TRY(func) \
 243 if (!(func)) \
 244 { \
 245         g_warning("Failed to write configuration to file\n"); \
 246         if (orig_fp) fclose(orig_fp); \
 247         prefs_file_close_revert(pfile); \
 248         g_free(rcpath); \
 249         g_free(block_label); \
 250         return; \
 251 } \
 252
 253 void prefs_write_config(PrefParam *param, const gchar *label,
 254                         const gchar *rcfile)
 255 {
 256         FILE *orig_fp;
 257         PrefFile *pfile;
 258         gchar *rcpath;
 259         gchar buf[PREFSBUFSIZE];
 260         gchar *block_label = NULL;
 261         gboolean block_matched = FALSE;
 262
 263         cm_return_if_fail(param != NULL);
 264         cm_return_if_fail(label != NULL);
 265         cm_return_if_fail(rcfile != NULL);
 266
 267         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, rcfile, NULL);
 268         if ((orig_fp = g_fopen(rcpath, "rb")) == NULL) {
 269                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 270         }
 271
 272         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 273                 g_warning("Failed to write configuration to file\n");
 274                 if (orig_fp) fclose(orig_fp);
 275                 g_free(rcpath);
 276                 return;
 277         }
 278
 279         block_label = g_strdup_printf("[%s]", label);
 280
 281         /* search aiming block */
 282         if (orig_fp) {
 283                 while (fgets(buf, sizeof(buf), orig_fp) != NULL) {
 284                         gint val;
 285
 286                         val = strncmp(buf, block_label, strlen(block_label));
 287                         if (val == 0) {
 288                                 debug_print("Found %s\n", block_label);
 289                                 block_matched = TRUE;
 290                                 break;
 291                         } else
 292                                 TRY(fputs(buf, pfile->fp) != EOF);
 293                 }
 294         }
 295
 296         TRY(fprintf(pfile->fp, "%s\n", block_label) > 0);
 297
 298         /* write all param data to file */
 299         TRY(prefs_write_param(param, pfile->fp) == 0);
 300
 301         if (block_matched) {
 302                 gboolean in_dup_block = FALSE;
 303                 while (fgets(buf, sizeof(buf), orig_fp) != NULL) {
 304                         /* next block */
 305                         if (buf[0] == '[') {
 306                                 TRY(fputc('\n', pfile->fp) != EOF &&
 307                                     fputs(buf, pfile->fp)  != EOF);
 308                                 break;
 309                         }
 310                 }
 311                 while (fgets(buf, sizeof(buf), orig_fp) != NULL) {
 312                         if (buf[0] == '[') {
 313                                 if (!strncmp(buf, block_label,
 314                                                 strlen(block_label)))
 315                                         in_dup_block = TRUE;
 316                                 else
 317                                         in_dup_block = FALSE;
 318                         }
 319                         if (!in_dup_block)
 320                                 TRY(fputs(buf, pfile->fp) != EOF);
 321                 }
 322         }
 323
 324         g_free(block_label);
 325         block_label = NULL;
 326
 327         if (orig_fp) fclose(orig_fp);
 328         if (prefs_file_close(pfile) < 0)
 329                 g_warning("Failed to write configuration to file\n");
 330         g_free(rcpath);
 331
 332         debug_print("Configuration is saved.\n");
 333 }
 334
 335 gint prefs_write_param(PrefParam *param, FILE *fp)
 336 {
 337         gint i;
 338         gchar buf[PREFSBUFSIZE];
 339
 340         for (i = 0; param[i].name != NULL; i++) {
 341                 switch (param[i].type) {
 342                 case P_STRING:
 343                 {
 344                         gchar *tmp = NULL;
 345
 346                         if (*((gchar **)param[i].data)) {
 347                                 if (g_utf8_validate(*((gchar **)param[i].data), -1, NULL))
 348                                         tmp = g_strdup(*((gchar **)param[i].data));
 349                                 else {
 350                                         tmp = conv_codeset_strdup(*((gchar **)param[i].data),
 351                                                 conv_get_locale_charset_str_no_utf8(),
 352                                                 CS_INTERNAL);
 353                                         if (!tmp)
 354                                                 tmp = g_strdup(*((gchar **)param[i].data));
 355                                 }
 356                         }
 357
 358                         g_snprintf(buf, sizeof(buf), "%s=%s\n", param[i].name,
 359                                    tmp ? tmp : "");
 360
 361                         g_free(tmp);
 362                         break;
 363                 }
 364                 case P_INT:
 365                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 366                                    *((gint *)param[i].data));
 367                         break;
 368                 case P_BOOL:
 369                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 370                                    *((gboolean *)param[i].data));
 371                         break;
 372                 case P_ENUM:
 373                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 374                                    *((DummyEnum *)param[i].data));
 375                         break;
 376                 case P_USHORT:
 377                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 378                                    *((gushort *)param[i].data));
 379                         break;
 380                 case P_COLOR:
 381                         g_snprintf(buf, sizeof buf,  "%s=#%6.6lx\n", param[i].name,
 382                                    *((gulong *) param[i].data));
 383                         break;
 384                 case P_PASSWORD:
 385                         {
 386                                 gchar *tmp = NULL, tmp2[1024] = {0};
 387
 388                                 tmp = *((gchar **)param[i].data);
 389                                 if (tmp) {
 390                                         gint len;
 391
 392                                         tmp = g_strdup(tmp);
 393                                         len = strlen(tmp);
 394                                         passcrypt_encrypt(tmp, len);
 395                                         base64_encode(tmp2, tmp, len);
 396                                         g_free(tmp);
 397                                         tmp = tmp2;
 398                                 }
 399                                 g_snprintf(buf, sizeof(buf), "%s=!%s\n", param[i].name,
 400                                            tmp ?
 401                                            tmp : "");
 402                         }
 403                         break;
 404                 default:
 405                         /* unrecognized, fail */
 406                         debug_print("Unrecognized parameter type\n");
 407                         return -1;
 408                 }
 409
 410                 if (buf[0] != '\0') {
 411                         if (fputs(buf, fp) == EOF) {
 412                                 perror("fputs");
 413                                 return -1;
 414                         }
 415                 }
 416         }
 417
 418         return 0;
 419 }
 420
 421 void prefs_set_default(PrefParam *param)
 422 {
 423         gint i;
 424         GdkColor color;
 425
 426         cm_return_if_fail(param != NULL);
 427
 428         for (i = 0; param[i].name != NULL; i++) {
 429                 if (!param[i].data) continue;
 430
 431                 switch (param[i].type) {
 432                 case P_STRING:
 433                         g_free(*((gchar **)param[i].data));
 434                         if (param[i].defval != NULL) {
 435                                 if (!strncasecmp(param[i].defval, "ENV_", 4)) {
 436                                         const gchar *envstr;
 437                                         gchar *tmp;
 438
 439                                         envstr = g_getenv(param[i].defval + 4);
 440                                         tmp = envstr && *envstr ?
 441                                                 conv_codeset_strdup(envstr,
 442                                                                     conv_get_locale_charset_str(),
 443                                                                     CS_INTERNAL)
 444                                                 : g_strdup("");
 445                                         if (!tmp) {
 446                                                 g_warning("Failed to convert character set.");
 447                                                 tmp = g_strdup(envstr);
 448                                         }
 449                                         *((gchar **)param[i].data) = tmp;
 450                                 } else if (param[i].defval[0] == '~')
 451                                         *((gchar **)param[i].data) =
 452                                                 g_strconcat(get_home_dir(),
 453                                                             param[i].defval + 1,
 454                                                             NULL);
 455                                 else
 456                                         *((gchar **)param[i].data) =
 457                                                 g_strdup(param[i].defval);
 458                         } else
 459                                 *((gchar **)param[i].data) = NULL;
 460                         break;
 461                 case P_PASSWORD:
 462                         g_free(*((gchar **)param[i].data));
 463                         if (param[i].defval != NULL) {
 464                                 if (param[i].defval[0] != '\0')
 465                                         *((gchar **)param[i].data) =
 466                                                 g_strdup(param[i].defval);
 467                                 else
 468                                         *((gchar **)param[i].data) = NULL;
 469                         } else
 470                                 *((gchar **)param[i].data) = NULL;
 471                         break;
 472                 case P_INT:
 473                         if (param[i].defval != NULL)
 474                                 *((gint *)param[i].data) =
 475                                         (gint)atoi(param[i].defval);
 476                         else
 477                                 *((gint *)param[i].data) = 0;
 478                         break;
 479                 case P_BOOL:
 480                         if (param[i].defval != NULL) {
 481                                 if (!g_ascii_strcasecmp(param[i].defval, "TRUE"))
 482                                         *((gboolean *)param[i].data) = TRUE;
 483                                 else
 484                                         *((gboolean *)param[i].data) =
 485                                                 atoi(param[i].defval) ? TRUE : FALSE;
 486                         } else
 487                                 *((gboolean *)param[i].data) = FALSE;
 488                         break;
 489                 case P_ENUM:
 490                         if (param[i].defval != NULL)
 491                                 *((DummyEnum*)param[i].data) =
 492                                         (DummyEnum)atoi(param[i].defval);
 493                         else
 494                                 *((DummyEnum *)param[i].data) = 0;
 495                         break;
 496                 case P_USHORT:
 497                         if (param[i].defval != NULL)
 498                                 *((gushort *)param[i].data) =
 499                                         (gushort)atoi(param[i].defval);
 500                         else
 501                                 *((gushort *)param[i].data) = 0;
 502                         break;
 503                 case P_COLOR:
 504                         if (param[i].defval != NULL && gdk_color_parse(param[i].defval, &color))
 505                                 *((gulong *)param[i].data) =
 506                                         RGB_FROM_GDK_COLOR(color);
 507                         else if (param[i].defval)
 508                                 /* be compatible and accept ints */
 509                                 *((gulong *)param[i].data) = strtoul(param[i].defval, 0, 10);
 510                         else
 511                                 *((gulong *)param[i].data) = 0;
 512                         break;
 513                 default:
 514                         break;
 515                 }
 516         }
 517 }
 518
 519 void prefs_free(PrefParam *param)
 520 {
 521         gint i;
 522
 523         cm_return_if_fail(param != NULL);
 524
 525         for (i = 0; param[i].name != NULL; i++) {
 526                 if (!param[i].data) continue;
 527
 528                 switch (param[i].type) {
 529                 case P_STRING:
 530                 case P_PASSWORD:
 531                         g_free(*((gchar **)param[i].data));
 532                         break;
 533                 default:
 534                         break;
 535                 }
 536         }
 537 }
 538
 539 void prefs_button_toggled(GtkToggleButton *toggle_btn, GtkWidget *widget)
 540 {
 541         gboolean is_active;
 542
 543         is_active = gtk_toggle_button_get_active(toggle_btn);
 544         gtk_widget_set_sensitive(widget, is_active);
 545 }
 546
 547 void prefs_button_toggled_reverse(GtkToggleButton *toggle_btn, GtkWidget *widget)
 548 {
 549         gboolean is_active;
 550
 551         is_active = gtk_toggle_button_get_active(toggle_btn);
 552         gtk_widget_set_sensitive(widget, !is_active);
 553 }
 554
 555 void prefs_set_dialog(PrefParam *param)
 556 {
 557         gint i;
 558
 559         for (i = 0; param[i].name != NULL; i++) {
 560                 if (param[i].widget_set_func)
 561                         param[i].widget_set_func(&param[i]);
 562         }
 563 }
 564
 565 void prefs_set_data_from_dialog(PrefParam *param)
 566 {
 567         gint i;
 568
 569         for (i = 0; param[i].name != NULL; i++) {
 570                 if (param[i].data_set_func)
 571                         param[i].data_set_func(&param[i]);
 572         }
 573 }
 574
 575 void prefs_set_dialog_to_default(PrefParam *param)
 576 {
 577         gint       i;
 578         PrefParam  tmpparam;
 579         gchar     *str_data = NULL;
 580         gint       int_data;
 581         gushort    ushort_data;
 582         gboolean   bool_data;
 583         DummyEnum  enum_data;
 584
 585         for (i = 0; param[i].name != NULL; i++) {
 586                 if (!param[i].widget_set_func) continue;
 587
 588                 tmpparam = param[i];
 589
 590                 switch (tmpparam.type) {
 591                 case P_STRING:
 592                         if (tmpparam.defval) {
 593                                 if (!g_ascii_strncasecmp(tmpparam.defval, "ENV_", 4)) {
 594                                         str_data = g_strdup(g_getenv(param[i].defval + 4));
 595                                         tmpparam.data = &str_data;
 596                                         break;
 597                                 } else if (tmpparam.defval[0] == '~') {
 598                                         str_data =
 599                                                 g_strconcat(get_home_dir(),
 600                                                             param[i].defval + 1,
 601                                                             NULL);
 602                                         tmpparam.data = &str_data;
 603                                         break;
 604                                 }
 605                         }
 606                         tmpparam.data = &tmpparam.defval;
 607                         break;
 608                 case P_PASSWORD:
 609                         tmpparam.data = &tmpparam.defval;
 610                         break;
 611                 case P_INT:
 612                         if (tmpparam.defval)
 613                                 int_data = atoi(tmpparam.defval);
 614                         else
 615                                 int_data = 0;
 616                         tmpparam.data = &int_data;
 617                         break;
 618                 case P_USHORT:
 619                         if (tmpparam.defval)
 620                                 ushort_data = atoi(tmpparam.defval);
 621                         else
 622                                 ushort_data = 0;
 623                         tmpparam.data = &ushort_data;
 624                         break;
 625                 case P_BOOL:
 626                         if (tmpparam.defval) {
 627                                 if (!g_ascii_strcasecmp(tmpparam.defval, "TRUE"))
 628                                         bool_data = TRUE;
 629                                 else
 630                                         bool_data = atoi(tmpparam.defval)
 631                                                 ? TRUE : FALSE;
 632                         } else
 633                                 bool_data = FALSE;
 634                         tmpparam.data = &bool_data;
 635                         break;
 636                 case P_ENUM:
 637                         if (tmpparam.defval)
 638                                 enum_data = (DummyEnum)atoi(tmpparam.defval);
 639                         else
 640                                 enum_data = 0;
 641                         tmpparam.data = &enum_data;
 642                         break;
 643                 case P_OTHER:
 644                 default:
 645                         break;
 646                 }
 647                 tmpparam.widget_set_func(&tmpparam);
 648                 g_free(str_data);
 649                 str_data = NULL;
 650         }
 651 }
 652
 653 void prefs_set_data_from_entry(PrefParam *pparam)
 654 {
 655         gchar **str;
 656         const gchar *entry_str;
 657
 658         cm_return_if_fail(*pparam->widget != NULL);
 659
 660         entry_str = gtk_entry_get_text(GTK_ENTRY(*pparam->widget));
 661
 662         switch (pparam->type) {
 663         case P_STRING:
 664         case P_PASSWORD:
 665                 str = (gchar **)pparam->data;
 666                 g_free(*str);
 667                 *str = entry_str[0] ? g_strdup(entry_str) : NULL;
 668                 break;
 669         case P_USHORT:
 670                 *((gushort *)pparam->data) = atoi(entry_str);
 671                 break;
 672         case P_INT:
 673                 *((gint *)pparam->data) = atoi(entry_str);
 674                 break;
 675         default:
 676                 g_warning("Invalid PrefType for GtkEntry widget: %d\n",
 677                           pparam->type);
 678         }
 679 }
 680
 681 void prefs_set_escaped_data_from_entry(PrefParam *pparam)
 682 {
 683         gchar **str;
 684
 685         cm_return_if_fail(*pparam->widget != NULL);
 686
 687         switch (pparam->type) {
 688         case P_STRING:
 689                 str = (gchar **)pparam->data;
 690                 g_free(*str);
 691                 *str = pref_get_pref_from_entry(GTK_ENTRY(*pparam->widget));
 692                 break;
 693         default:
 694                 g_warning("Invalid escaped PrefType for GtkEntry widget: %d\n",
 695                           pparam->type);
 696         }
 697 }
 698
 699 void prefs_set_entry(PrefParam *pparam)
 700 {
 701         gchar **str;
 702
 703         cm_return_if_fail(*pparam->widget != NULL);
 704
 705         switch (pparam->type) {
 706         case P_STRING:
 707         case P_PASSWORD:
 708                 str = (gchar **)pparam->data;
 709                 gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
 710                                    *str ? *str : "");
 711                 break;
 712         case P_INT:
 713                 gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
 714                                    itos(*((gint *)pparam->data)));
 715                 break;
 716         case P_USHORT:
 717                 gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
 718                                    itos(*((gushort *)pparam->data)));
 719                 break;
 720         default:
 721                 g_warning("Invalid PrefType for GtkEntry widget: %d\n",
 722                           pparam->type);
 723         }
 724 }
 725
 726 void prefs_set_entry_from_escaped(PrefParam *pparam)
 727 {
 728         gchar **str;
 729
 730         cm_return_if_fail(*pparam->widget != NULL);
 731
 732         switch (pparam->type) {
 733         case P_STRING:
 734                 str = (gchar **)pparam->data;
 735                 pref_set_entry_from_pref(GTK_ENTRY(*pparam->widget),
 736                                    *str ? *str : "");
 737                 break;
 738         default:
 739                 g_warning("Invalid escaped PrefType for GtkEntry widget: %d\n",
 740                           pparam->type);
 741         }
 742 }
 743
 744 void prefs_set_data_from_text(PrefParam *pparam)
 745 {
 746         gchar **str;
 747         gchar *text = NULL, *tp = NULL;
 748         gchar *tmp, *tmpp;
 749
 750         cm_return_if_fail(*pparam->widget != NULL);
 751
 752         switch (pparam->type) {
 753         case P_STRING:
 754         case P_PASSWORD:
 755                 str = (gchar **)pparam->data;
 756                 g_free(*str);
 757                 if (GTK_IS_EDITABLE(*pparam->widget)) {   /* need? */
 758                         tp = text = gtk_editable_get_chars
 759                                         (GTK_EDITABLE(*pparam->widget), 0, -1);
 760                 } else if (GTK_IS_TEXT_VIEW(*pparam->widget)) {
 761                         GtkTextView *textview = GTK_TEXT_VIEW(*pparam->widget);
 762                         GtkTextBuffer *buffer = gtk_text_view_get_buffer(textview);
 763                         GtkTextIter start, end;
 764                         gtk_text_buffer_get_start_iter(buffer, &start);
 765                         gtk_text_buffer_get_iter_at_offset(buffer, &end, -1);
 766                         tp = text = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
 767                 }
 768
 769                 cm_return_if_fail (tp && text);
 770
 771                 if (text[0] == '\0') {
 772                         *str = NULL;
 773                         g_free(text);
 774                         break;
 775                 }
 776
 777                 Xalloca(tmpp = tmp, strlen(text) * 2 + 1,
 778                         { *str = NULL; break; });
 779                 while (*tp) {
 780                         if (*tp == '\n') {
 781                                 *tmpp++ = '\\';
 782                                 *tmpp++ = 'n';
 783                                 tp++;
 784                         } else
 785                                 *tmpp++ = *tp++;
 786                 }
 787                 *tmpp = '\0';
 788                 *str = g_strdup(tmp);
 789                 g_free(text);
 790                 break;
 791         default:
 792                 g_warning("Invalid PrefType for GtkText widget: %d\n",
 793                           pparam->type);
 794         }
 795 }
 796
 797 void prefs_set_escaped_data_from_text(PrefParam *pparam)
 798 {
 799         gchar **str;
 800
 801         cm_return_if_fail(*pparam->widget != NULL);
 802
 803         switch (pparam->type) {
 804         case P_STRING:
 805                 str = (gchar **)pparam->data;
 806                 g_free(*str);
 807                 *str = pref_get_pref_from_textview(GTK_TEXT_VIEW(*pparam->widget));
 808                 break;
 809         default:
 810                 g_warning("Invalid escaped PrefType for GtkText widget: %d\n",
 811                           pparam->type);
 812         }
 813 }
 814
 815 void prefs_set_text(PrefParam *pparam)
 816 {
 817         gchar *buf, *sp, *bufp;
 818         gchar **str;
 819         GtkTextView *text;
 820         GtkTextBuffer *buffer;
 821         GtkTextIter iter;
 822
 823         cm_return_if_fail(*pparam->widget != NULL);
 824
 825         switch (pparam->type) {
 826         case P_STRING:
 827         case P_PASSWORD:
 828                 str = (gchar **)pparam->data;
 829                 if (*str) {
 830                         bufp = buf = alloca(strlen(*str) + 1);
 831                         if (!buf) buf = "";
 832                         else {
 833                                 sp = *str;
 834                                 while (*sp) {
 835                                         if (*sp == '\\' && *(sp + 1) == 'n') {
 836                                                 *bufp++ = '\n';
 837                                                 sp += 2;
 838                                         } else
 839                                                 *bufp++ = *sp++;
 840                                 }
 841                                 *bufp = '\0';
 842                         }
 843                 } else
 844                         buf = "";
 845
 846                 text = GTK_TEXT_VIEW(*pparam->widget);
 847                 buffer = gtk_text_view_get_buffer(text);
 848                 gtk_text_buffer_set_text(buffer, "", -1);
 849                 gtk_text_buffer_get_start_iter(buffer, &iter);
 850                 gtk_text_buffer_insert(buffer, &iter, buf, -1);
 851                 break;
 852         default:
 853                 g_warning("Invalid PrefType for GtkTextView widget: %d\n",
 854                           pparam->type);
 855         }
 856 }
 857
 858 void prefs_set_text_from_escaped(PrefParam *pparam)
 859 {
 860         gchar **str;
 861
 862         cm_return_if_fail(*pparam->widget != NULL);
 863
 864         switch (pparam->type) {
 865         case P_STRING:
 866                 str = (gchar **)pparam->data;
 867                 pref_set_textview_from_pref(GTK_TEXT_VIEW(*pparam->widget),
 868                                  *str ? *str : "");
 869                 break;
 870         default:
 871                 g_warning("Invalid escaped PrefType for GtkTextView widget: %d\n",
 872                           pparam->type);
 873         }
 874 }
 875
 876 void prefs_set_data_from_toggle(PrefParam *pparam)
 877 {
 878         cm_return_if_fail(pparam->type == P_BOOL);
 879         cm_return_if_fail(*pparam->widget != NULL);
 880
 881         *((gboolean *)pparam->data) =
 882                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(*pparam->widget));
 883 }
 884
 885 void prefs_set_toggle(PrefParam *pparam)
 886 {
 887         cm_return_if_fail(pparam->type == P_BOOL);
 888         cm_return_if_fail(*pparam->widget != NULL);
 889
 890         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(*pparam->widget),
 891                                      *((gboolean *)pparam->data));
 892 }
 893
 894 void prefs_set_data_from_spinbtn(PrefParam *pparam)
 895 {
 896         cm_return_if_fail(*pparam->widget != NULL);
 897
 898         switch (pparam->type) {
 899         case P_INT:
 900                 *((gint *)pparam->data) =
 901                         gtk_spin_button_get_value_as_int
 902                         (GTK_SPIN_BUTTON(*pparam->widget));
 903                 break;
 904         case P_USHORT:
 905                 *((gushort *)pparam->data) =
 906                         (gushort)gtk_spin_button_get_value_as_int
 907                         (GTK_SPIN_BUTTON(*pparam->widget));
 908                 break;
 909         default:
 910                 g_warning("Invalid PrefType for GtkSpinButton widget: %d\n",
 911                           pparam->type);
 912         }
 913 }
 914
 915 void prefs_set_spinbtn(PrefParam *pparam)
 916 {
 917         cm_return_if_fail(*pparam->widget != NULL);
 918
 919         switch (pparam->type) {
 920         case P_INT:
 921                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(*pparam->widget),
 922                                           (gfloat)*((gint *)pparam->data));
 923                 break;
 924         case P_USHORT:
 925                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(*pparam->widget),
 926                                           (gfloat)*((gushort *)pparam->data));
 927                 break;
 928         default:
 929                 g_warning("Invalid PrefType for GtkSpinButton widget: %d\n",
 930                           pparam->type);
 931         }
 932 }
 933
 934 static GSList *prefs_pages = NULL;
 935
 936 void prefs_gtk_open(void)
 937 {
 938         prefswindow_open(_("Preferences"), prefs_pages, NULL,
 939                         &prefs_common.prefswin_width, &prefs_common.prefswin_height,
 940                         NULL, NULL);
 941 }
 942
 943 void prefs_gtk_register_page(PrefsPage *page)
 944 {
 945         prefs_pages = g_slist_append(prefs_pages, page);
 946 }
 947
 948 void prefs_gtk_unregister_page(PrefsPage *page)
 949 {
 950         prefs_pages = g_slist_remove(prefs_pages, page);
 951 }
 952
 953 static void prefs_destroy_whole_cache(gpointer to_free)
 954 {
 955         GHashTable *table = (GHashTable *)to_free;
 956         g_hash_table_destroy(table);
 957 }
 958
 959 static void prefs_destroy_file_cache(gpointer to_free)
 960 {
 961         GHashTable *table = (GHashTable *)to_free;
 962         g_hash_table_destroy(table);
 963 }
 964
 965 static int prefs_cache_sections(GHashTable *file_cache, const gchar *rcfile)
 966 {
 967         FILE *fp = NULL;
 968         gchar buf[PREFSBUFSIZE];
 969         GHashTable *section_cache = NULL;
 970
 971         if (rcfile)
 972                 fp = g_fopen(rcfile, "rb");
 973         if (!fp) {
 974                 debug_print("cache: %s: %s\n", rcfile?rcfile:"(null)", strerror(errno));
 975                 return -1;
 976         }
 977
 978 #ifdef HAVE_FGETS_UNLOCKED
 979         flockfile(fp);
 980 #endif
 981
 982         while (SC_FGETS(buf, sizeof(buf), fp) != NULL) {
 983                 strretchomp(buf);
 984                 if (buf[0] == '\0')
 985                         continue;
 986                 if (buf[0] == '#')
 987                         continue; /* comment */
 988                 if (buf[0] == '[') { /* new section */
 989                         gchar *blockname = g_strdup(buf+1);
 990
 991                         if (strrchr(blockname, ']'))
 992                                 *strrchr(blockname, ']') = '\0';
 993
 994                         if ((section_cache = g_hash_table_lookup(file_cache, blockname)) == NULL) {
 995                                 debug_print("new section '%s'\n", blockname);
 996                                 section_cache = g_hash_table_new_full(g_str_hash, g_str_equal,
 997                                                 g_free, NULL);
 998                                 g_hash_table_insert(file_cache,
 999                                         blockname, section_cache);
1000                         } else {
1001                                 debug_print("section '%s' already done\n", blockname);
1002                                 g_free(blockname);
1003                                 section_cache = NULL;
1004                                 continue;
1005                         }
1006                 } else {
1007                         if (!section_cache) {
1008                                 debug_print("skipping stuff %s with no section\n", buf);
1009                                 continue;
1010                         } else {
1011                                 gchar *pref;
1012
1013                                 if (!strchr(buf, '=')) {
1014                                         /* plugins do differently */
1015                                         continue;
1016                                 }
1017                                 pref = g_strdup(buf);
1018
1019                                 //debug_print("new pref '%s'\n", pref);
1020                                 g_hash_table_insert(section_cache, pref, GINT_TO_POINTER(1));
1021                         }
1022                 }
1023         }
1024 #ifdef HAVE_FGETS_UNLOCKED
1025         funlockfile(fp);
1026 #endif
1027         fclose(fp);
1028         return 0;
1029 }
1030
1031 static int prefs_cache(const gchar *rcfile)
1032 {
1033         GHashTable *file_cache = g_hash_table_new_full(g_str_hash, g_str_equal,
1034                                         g_free, prefs_destroy_file_cache);
1035
1036         debug_print("new file '%s'\n", rcfile?rcfile:"(null)");
1037         g_hash_table_insert(whole_cache, g_strdup(rcfile), file_cache);
1038
1039         return prefs_cache_sections(file_cache, rcfile);
1040 }
1041
1042 void prefs_prepare_cache(void)
1043 {
1044         gchar *clawsrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, COMMON_RC, NULL);
1045         gchar *folderitemrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, FOLDERITEM_RC, NULL);
1046         gchar *accountrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, ACCOUNT_RC, NULL);
1047
1048         if (whole_cache == NULL) {
1049                 whole_cache = g_hash_table_new_full(g_str_hash, g_str_equal,
1050                                 g_free, prefs_destroy_whole_cache);
1051         } else {
1052                 debug_print("already cached\n");
1053                 g_free(clawsrc);
1054                 g_free(folderitemrc);
1055                 g_free(accountrc);
1056                 return;
1057         }
1058         if (prefs_cache(clawsrc) < 0 ||
1059             prefs_cache(folderitemrc) < 0 ||
1060             prefs_cache(accountrc) < 0)
1061                 prefs_destroy_cache();
1062
1063         g_free(clawsrc);
1064         g_free(folderitemrc);
1065         g_free(accountrc);
1066 }
1067
1068 void prefs_destroy_cache(void)
1069 {
1070         if (!whole_cache) {
1071                 debug_print("no cache\n");
1072                 return;
1073         }
1074         debug_print("destroying cache\n");
1075         g_hash_table_destroy(whole_cache);
1076         whole_cache = NULL;
1077         return;
1078 }
1079
1080 static void prefs_parse_cache(gpointer key, gpointer value, gpointer user_data)
1081 {
1082         gchar *pref = (gchar *)key;
1083
1084         PrefParam *param = (PrefParam *)user_data;
1085
1086         prefs_config_parse_one_line(param, pref);
1087 }
1088
1089 static gboolean prefs_read_config_from_cache(PrefParam *param, const gchar *label,
1090                                const gchar *rcfile)
1091 {
1092         GHashTable *sections_table = NULL;
1093         GHashTable *values_table = NULL;
1094         sections_table = g_hash_table_lookup(whole_cache, rcfile);
1095
1096         if (sections_table == NULL) {
1097                 g_warning("Can't find %s in the whole cache\n", rcfile?rcfile:"(null)");
1098                 return FALSE;
1099         }
1100         values_table = g_hash_table_lookup(sections_table, label);
1101
1102         if (values_table == NULL) {
1103                 debug_print("no '%s' section in '%s' cache\n", label?label:"(null)", rcfile?rcfile:"(null)");
1104                 return TRUE;
1105         }
1106         g_hash_table_foreach(values_table, prefs_parse_cache, param);
1107         return TRUE;
1108 }