src/prefs_gtk.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2015 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 #include <stdio.h>
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <gtk/gtk.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include <unistd.h>
  33 #include <errno.h>
  34
  35 #include "defs.h"
  36 #include "main.h"
  37 #include "prefs.h"
  38 #include "prefs_gtk.h"
  39 #include "prefs_common.h"
  40 #include "utils.h"
  41 #include "gtkutils.h"
  42 #include "password.h"
  43 #include "codeconv.h"
  44 #include "file-utils.h"
  45
  46 #define CL(x)   (((gulong) (x) >> (gulong) 8) & 0xFFUL)
  47 #define RGB_FROM_GDK_COLOR(c) \
  48         ((CL(c.red)   << (gulong) 16) | \
  49          (CL(c.green) << (gulong)  8) | \
  50          (CL(c.blue)))
  51
  52 typedef enum
  53 {
  54         DUMMY_PARAM
  55 } DummyEnum;
  56
  57 static GHashTable *whole_cache = NULL;
  58
  59 static gboolean prefs_read_config_from_cache(PrefParam *param, const gchar *label,
  60                                const gchar *rcfile);
  61
  62 static void prefs_config_parse_one_line(PrefParam       *param,
  63                                          const gchar    *buf);
  64
  65 void prefs_read_config(PrefParam *param, const gchar *label,
  66                        const gchar *rcfile, const gchar *encoding)
  67 {
  68         FILE *fp;
  69         gchar buf[PREFSBUFSIZE];
  70         gchar *block_label;
  71
  72         cm_return_if_fail(param != NULL);
  73         cm_return_if_fail(label != NULL);
  74         cm_return_if_fail(rcfile != NULL);
  75
  76         if (encoding != NULL)
  77                 g_warning("Encoding is ignored");
  78
  79         debug_print("Reading configuration...\n");
  80
  81         prefs_set_default(param);
  82
  83         if (whole_cache != NULL) {
  84                 if (prefs_read_config_from_cache(param, label, rcfile) == TRUE)
  85                         return;
  86         }
  87
  88         if ((fp = claws_fopen(rcfile, "rb")) == NULL) {
  89                 if (ENOENT != errno) FILE_OP_ERROR(rcfile, "claws_fopen");
  90                 return;
  91         }
  92
  93         block_label = g_strdup_printf("[%s]", label);
  94
  95         /* search aiming block */
  96         while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
  97                 gint val;
  98
  99                 if (encoding) {
 100                         gchar *conv_str;
 101
 102                         conv_str = conv_codeset_strdup
 103                                 (buf, encoding, CS_INTERNAL);
 104                         if (!conv_str)
 105                                 conv_str = g_strdup(buf);
 106                         val = strncmp
 107                                 (conv_str, block_label, strlen(block_label));
 108                         g_free(conv_str);
 109                 } else
 110                         val = strncmp(buf, block_label, strlen(block_label));
 111                 if (val == 0) {
 112                         debug_print("Found %s\n", block_label);
 113                         break;
 114                 }
 115         }
 116         g_free(block_label);
 117
 118         while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
 119                 strretchomp(buf);
 120                 /* reached next block */
 121                 if (buf[0] == '[') break;
 122                 if (buf[0] == '#') continue;
 123
 124                 if (encoding) {
 125                         gchar *conv_str;
 126
 127                         conv_str = conv_codeset_strdup
 128                                 (buf, encoding, CS_INTERNAL);
 129                         if (!conv_str)
 130                                 conv_str = g_strdup(buf);
 131                         prefs_config_parse_one_line(param, conv_str);
 132                         g_free(conv_str);
 133                 } else
 134                         prefs_config_parse_one_line(param, buf);
 135         }
 136
 137         debug_print("Finished reading configuration.\n");
 138         claws_fclose(fp);
 139 }
 140
 141 static void prefs_config_parse_one_line(PrefParam *param, const gchar *buf)
 142 {
 143         gint i;
 144         gint name_len;
 145         const gchar *value;
 146         GdkColor color;
 147
 148         for (i = 0; param[i].name != NULL; i++) {
 149                 name_len = strlen(param[i].name);
 150                 if (g_ascii_strncasecmp(buf, param[i].name, name_len))
 151                         continue;
 152                 if (buf[name_len] != '=')
 153                         continue;
 154                 value = buf + name_len + 1;
 155                 /* debug_print("%s = %s\n", param[i].name, value); */
 156
 157                 switch (param[i].type) {
 158                 case P_STRING:
 159                 case P_PASSWORD:
 160                 {
 161                         gchar *tmp = NULL;
 162
 163                         if (*value) {
 164                                 if (g_utf8_validate(value, -1, NULL))
 165                                         tmp = g_strdup(value);
 166                                 else {
 167                                         tmp = conv_codeset_strdup(value,
 168                                                     conv_get_locale_charset_str_no_utf8(),
 169                                                     CS_INTERNAL);
 170                                 }
 171                         } else {
 172                                 tmp = g_strdup("");
 173                         }
 174                         if (!tmp) {
 175                                 g_warning("Failed to convert character set.");
 176                                 tmp = g_strdup(value);
 177                         }
 178                         g_free(*((gchar **)param[i].data));
 179                         *((gchar **)param[i].data) = tmp;
 180                         break;
 181                 }
 182                 case P_INT:
 183                         *((gint *)param[i].data) =
 184                                 (gint)atoi(value);
 185                         break;
 186                 case P_BOOL:
 187                         *((gboolean *)param[i].data) =
 188                                 (*value == '0' || *value == '\0')
 189                                         ? FALSE : TRUE;
 190                         break;
 191                 case P_ENUM:
 192                         *((DummyEnum *)param[i].data) =
 193                                 (DummyEnum)atoi(value);
 194                         break;
 195                 case P_USHORT:
 196                         *((gushort *)param[i].data) =
 197                                 (gushort)atoi(value);
 198                         break;
 199                 case P_COLOR:
 200                         if (gdk_color_parse(value, &color)) {
 201                                 *((gulong *)param[i].data) = RGB_FROM_GDK_COLOR(color);
 202                         }
 203                         else
 204                                 /* be compatible and accept ints */
 205                                 *((gulong *)param[i].data) = strtoul(value, 0, 10);
 206                         break;
 207                 default:
 208                         break;
 209                 }
 210         }
 211 }
 212
 213 #define TRY(func) \
 214 if (!(func)) \
 215 { \
 216         g_warning("Failed to write configuration to file"); \
 217         if (orig_fp) claws_fclose(orig_fp); \
 218         prefs_file_close_revert(pfile); \
 219         g_free(rcpath); \
 220         g_free(block_label); \
 221         return; \
 222 } \
 223
 224 void prefs_write_config(PrefParam *param, const gchar *label,
 225                         const gchar *rcfile)
 226 {
 227         FILE *orig_fp;
 228         PrefFile *pfile;
 229         gchar *rcpath;
 230         gchar buf[PREFSBUFSIZE];
 231         gchar *block_label = NULL;
 232         gboolean block_matched = FALSE;
 233
 234         cm_return_if_fail(param != NULL);
 235         cm_return_if_fail(label != NULL);
 236         cm_return_if_fail(rcfile != NULL);
 237
 238         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, rcfile, NULL);
 239         if ((orig_fp = claws_fopen(rcpath, "rb")) == NULL) {
 240                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "claws_fopen");
 241         }
 242
 243         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 244                 g_warning("Failed to write configuration to file");
 245                 if (orig_fp) claws_fclose(orig_fp);
 246                 g_free(rcpath);
 247                 return;
 248         }
 249
 250         block_label = g_strdup_printf("[%s]", label);
 251
 252         /* search aiming block */
 253         if (orig_fp) {
 254                 while (claws_fgets(buf, sizeof(buf), orig_fp) != NULL) {
 255                         gint val;
 256
 257                         val = strncmp(buf, block_label, strlen(block_label));
 258                         if (val == 0) {
 259                                 debug_print("Found %s\n", block_label);
 260                                 block_matched = TRUE;
 261                                 break;
 262                         } else
 263                                 TRY(claws_fputs(buf, pfile->fp) != EOF);
 264                 }
 265         }
 266
 267         TRY(fprintf(pfile->fp, "%s\n", block_label) > 0);
 268
 269         /* write all param data to file */
 270         TRY(prefs_write_param(param, pfile->fp) == 0);
 271
 272         if (block_matched) {
 273                 gboolean in_dup_block = FALSE;
 274                 while (claws_fgets(buf, sizeof(buf), orig_fp) != NULL) {
 275                         /* next block */
 276                         if (buf[0] == '[') {
 277                                 TRY(claws_fputc('\n', pfile->fp) != EOF &&
 278                                     claws_fputs(buf, pfile->fp)  != EOF);
 279                                 break;
 280                         }
 281                 }
 282                 while (claws_fgets(buf, sizeof(buf), orig_fp) != NULL) {
 283                         if (buf[0] == '[') {
 284                                 if (!strncmp(buf, block_label,
 285                                                 strlen(block_label)))
 286                                         in_dup_block = TRUE;
 287                                 else
 288                                         in_dup_block = FALSE;
 289                         }
 290                         if (!in_dup_block)
 291                                 TRY(claws_fputs(buf, pfile->fp) != EOF);
 292                 }
 293         }
 294
 295         g_free(block_label);
 296         block_label = NULL;
 297
 298         if (orig_fp) claws_fclose(orig_fp);
 299         if (prefs_file_close(pfile) < 0)
 300                 g_warning("Failed to write configuration to file");
 301         g_free(rcpath);
 302
 303         debug_print("Configuration is saved.\n");
 304 }
 305
 306 gint prefs_write_param(PrefParam *param, FILE *fp)
 307 {
 308         gint i;
 309         gchar buf[PREFSBUFSIZE] = "";
 310
 311         for (i = 0; param[i].name != NULL; i++) {
 312                 switch (param[i].type) {
 313                 case P_STRING:
 314                 {
 315                         gchar *tmp = NULL;
 316
 317                         if (*((gchar **)param[i].data)) {
 318                                 if (g_utf8_validate(*((gchar **)param[i].data), -1, NULL))
 319                                         tmp = g_strdup(*((gchar **)param[i].data));
 320                                 else {
 321                                         tmp = conv_codeset_strdup(*((gchar **)param[i].data),
 322                                                 conv_get_locale_charset_str_no_utf8(),
 323                                                 CS_INTERNAL);
 324                                         if (!tmp)
 325                                                 tmp = g_strdup(*((gchar **)param[i].data));
 326                                 }
 327                         }
 328
 329                         g_snprintf(buf, sizeof(buf), "%s=%s\n", param[i].name,
 330                                    tmp ? tmp : "");
 331
 332                         g_free(tmp);
 333                         break;
 334                 }
 335                 case P_PASSWORD:
 336                         buf[0] = '\0'; /* Passwords are written to password store. */
 337                         break;
 338                 case P_INT:
 339                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 340                                    *((gint *)param[i].data));
 341                         break;
 342                 case P_BOOL:
 343                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 344                                    *((gboolean *)param[i].data));
 345                         break;
 346                 case P_ENUM:
 347                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 348                                    *((DummyEnum *)param[i].data));
 349                         break;
 350                 case P_USHORT:
 351                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 352                                    *((gushort *)param[i].data));
 353                         break;
 354                 case P_COLOR:
 355                         g_snprintf(buf, sizeof buf,  "%s=#%6.6lx\n", param[i].name,
 356                                    *((gulong *) param[i].data));
 357                         break;
 358                 default:
 359                         /* unrecognized, fail */
 360                         debug_print("Unrecognized parameter type\n");
 361                         return -1;
 362                 }
 363
 364                 if (buf[0] != '\0') {
 365                         if (claws_fputs(buf, fp) == EOF) {
 366                                 perror("claws_fputs");
 367                                 return -1;
 368                         }
 369                 }
 370         }
 371
 372         return 0;
 373 }
 374
 375 void prefs_set_default(PrefParam *param)
 376 {
 377         gint i;
 378         GdkColor color;
 379
 380         cm_return_if_fail(param != NULL);
 381
 382         for (i = 0; param[i].name != NULL; i++) {
 383                 if (!param[i].data) continue;
 384
 385                 switch (param[i].type) {
 386                 case P_STRING:
 387                         g_free(*((gchar **)param[i].data));
 388                         if (param[i].defval != NULL) {
 389                                 if (!strncasecmp(param[i].defval, "ENV_", 4)) {
 390                                         const gchar *envstr;
 391                                         gchar *tmp;
 392
 393                                         envstr = g_getenv(param[i].defval + 4);
 394                                         tmp = envstr && *envstr ?
 395                                                 conv_codeset_strdup(envstr,
 396                                                                     conv_get_locale_charset_str(),
 397                                                                     CS_INTERNAL)
 398                                                 : g_strdup("");
 399                                         if (!tmp) {
 400                                                 g_warning("Failed to convert character set.");
 401                                                 tmp = g_strdup(envstr);
 402                                         }
 403                                         *((gchar **)param[i].data) = tmp;
 404                                 } else if (param[i].defval[0] == '~')
 405                                         *((gchar **)param[i].data) =
 406                                                 g_strconcat(get_home_dir(),
 407                                                             param[i].defval + 1,
 408                                                             NULL);
 409                                 else
 410                                         *((gchar **)param[i].data) =
 411                                                 g_strdup(param[i].defval);
 412                         } else
 413                                 *((gchar **)param[i].data) = NULL;
 414                         break;
 415                 case P_PASSWORD:
 416                         g_free(*((gchar **)param[i].data));
 417                         if (param[i].defval != NULL) {
 418                                 if (param[i].defval[0] != '\0')
 419                                         *((gchar **)param[i].data) =
 420                                                 g_strdup(param[i].defval);
 421                                 else
 422                                         *((gchar **)param[i].data) = NULL;
 423                         } else
 424                                 *((gchar **)param[i].data) = NULL;
 425                         break;
 426                 case P_INT:
 427                         if (param[i].defval != NULL)
 428                                 *((gint *)param[i].data) =
 429                                         (gint)atoi(param[i].defval);
 430                         else if (!strcmp(param[i].name, "config_version"))
 431                                 *((gint *)param[i].data) = CLAWS_CONFIG_VERSION;
 432                         else
 433                                 *((gint *)param[i].data) = 0;
 434                         break;
 435                 case P_BOOL:
 436                         if (param[i].defval != NULL) {
 437                                 if (!g_ascii_strcasecmp(param[i].defval, "TRUE"))
 438                                         *((gboolean *)param[i].data) = TRUE;
 439                                 else
 440                                         *((gboolean *)param[i].data) = atoi(param[i].defval) ? TRUE : FALSE;
 441                         } else
 442                                 *((gboolean *)param[i].data) = FALSE;
 443                         break;
 444                 case P_ENUM:
 445                         if (param[i].defval != NULL)
 446                                 *((DummyEnum*)param[i].data) =
 447                                         (DummyEnum)atoi(param[i].defval);
 448                         else
 449                                 *((DummyEnum *)param[i].data) = 0;
 450                         break;
 451                 case P_USHORT:
 452                         if (param[i].defval != NULL)
 453                                 *((gushort *)param[i].data) = (gushort)atoi(param[i].defval);
 454                         else
 455                                 *((gushort *)param[i].data) = 0;
 456                         break;
 457                 case P_COLOR:
 458                         if (param[i].defval != NULL && gdk_color_parse(param[i].defval, &color))
 459                                 *((gulong *)param[i].data) = RGB_FROM_GDK_COLOR(color);
 460                         else if (param[i].defval)
 461                                 /* be compatible and accept ints */
 462                                 *((gulong *)param[i].data) = strtoul(param[i].defval, 0, 10);
 463                         else
 464                                 *((gulong *)param[i].data) = 0;
 465                         break;
 466                 default:
 467                         break;
 468                 }
 469         }
 470 }
 471
 472 void prefs_free(PrefParam *param)
 473 {
 474         gint i;
 475
 476         cm_return_if_fail(param != NULL);
 477
 478         for (i = 0; param[i].name != NULL; i++) {
 479                 if (!param[i].data) continue;
 480
 481                 switch (param[i].type) {
 482                 case P_STRING:
 483                 case P_PASSWORD:
 484                         g_free(*((gchar **)param[i].data));
 485                         break;
 486                 default:
 487                         break;
 488                 }
 489         }
 490 }
 491
 492 void prefs_button_toggled(GtkToggleButton *toggle_btn, GtkWidget *widget)
 493 {
 494         gboolean is_active;
 495
 496         is_active = gtk_toggle_button_get_active(toggle_btn);
 497         gtk_widget_set_sensitive(widget, is_active);
 498 }
 499
 500 void prefs_button_toggled_reverse(GtkToggleButton *toggle_btn, GtkWidget *widget)
 501 {
 502         gboolean is_active;
 503
 504         is_active = gtk_toggle_button_get_active(toggle_btn);
 505         gtk_widget_set_sensitive(widget, !is_active);
 506 }
 507
 508 void prefs_set_dialog(PrefParam *param)
 509 {
 510         gint i;
 511
 512         for (i = 0; param[i].name != NULL; i++) {
 513                 if (param[i].widget_set_func)
 514                         param[i].widget_set_func(&param[i]);
 515         }
 516 }
 517
 518 void prefs_set_data_from_dialog(PrefParam *param)
 519 {
 520         gint i;
 521
 522         for (i = 0; param[i].name != NULL; i++) {
 523                 if (param[i].data_set_func)
 524                         param[i].data_set_func(&param[i]);
 525         }
 526 }
 527
 528 void prefs_set_dialog_to_default(PrefParam *param)
 529 {
 530         gint       i;
 531         PrefParam  tmpparam;
 532         gchar     *str_data = NULL;
 533         gint       int_data;
 534         gushort    ushort_data;
 535         gboolean   bool_data;
 536         DummyEnum  enum_data;
 537
 538         for (i = 0; param[i].name != NULL; i++) {
 539                 if (!param[i].widget_set_func) continue;
 540
 541                 tmpparam = param[i];
 542
 543                 switch (tmpparam.type) {
 544                 case P_STRING:
 545                         if (tmpparam.defval) {
 546                                 if (!g_ascii_strncasecmp(tmpparam.defval, "ENV_", 4)) {
 547                                         str_data = g_strdup(g_getenv(param[i].defval + 4));
 548                                         tmpparam.data = &str_data;
 549                                         break;
 550                                 } else if (tmpparam.defval[0] == '~') {
 551                                         str_data =
 552                                                 g_strconcat(get_home_dir(),
 553                                                             param[i].defval + 1,
 554                                                             NULL);
 555                                         tmpparam.data = &str_data;
 556                                         break;
 557                                 }
 558                         }
 559                         tmpparam.data = &tmpparam.defval;
 560                         break;
 561                 case P_PASSWORD:
 562                         tmpparam.data = &tmpparam.defval;
 563                         break;
 564                 case P_INT:
 565                         if (tmpparam.defval)
 566                                 int_data = atoi(tmpparam.defval);
 567                         else
 568                                 int_data = 0;
 569                         tmpparam.data = &int_data;
 570                         break;
 571                 case P_USHORT:
 572                         if (tmpparam.defval)
 573                                 ushort_data = atoi(tmpparam.defval);
 574                         else
 575                                 ushort_data = 0;
 576                         tmpparam.data = &ushort_data;
 577                         break;
 578                 case P_BOOL:
 579                         if (tmpparam.defval) {
 580                                 if (!g_ascii_strcasecmp(tmpparam.defval, "TRUE"))
 581                                         bool_data = TRUE;
 582                                 else
 583                                         bool_data = atoi(tmpparam.defval)
 584                                                 ? TRUE : FALSE;
 585                         } else
 586                                 bool_data = FALSE;
 587                         tmpparam.data = &bool_data;
 588                         break;
 589                 case P_ENUM:
 590                         if (tmpparam.defval)
 591                                 enum_data = (DummyEnum)atoi(tmpparam.defval);
 592                         else
 593                                 enum_data = 0;
 594                         tmpparam.data = &enum_data;
 595                         break;
 596                 case P_OTHER:
 597                 default:
 598                         break;
 599                 }
 600                 tmpparam.widget_set_func(&tmpparam);
 601                 g_free(str_data);
 602                 str_data = NULL;
 603         }
 604 }
 605
 606 void prefs_set_data_from_entry(PrefParam *pparam)
 607 {
 608         gchar **str;
 609         const gchar *entry_str;
 610
 611         cm_return_if_fail(*pparam->widget != NULL);
 612
 613         entry_str = gtk_entry_get_text(GTK_ENTRY(*pparam->widget));
 614
 615         switch (pparam->type) {
 616         case P_STRING:
 617                 str = (gchar **)pparam->data;
 618                 g_free(*str);
 619                 *str = entry_str[0] ? g_strdup(entry_str) : NULL;
 620                 break;
 621         case P_USHORT:
 622                 *((gushort *)pparam->data) = atoi(entry_str);
 623                 break;
 624         case P_INT:
 625                 *((gint *)pparam->data) = atoi(entry_str);
 626                 break;
 627         default:
 628                 g_warning("Invalid PrefType for GtkEntry widget: %d",
 629                           pparam->type);
 630         }
 631 }
 632
 633 void prefs_set_escaped_data_from_entry(PrefParam *pparam)
 634 {
 635         gchar **str;
 636
 637         cm_return_if_fail(*pparam->widget != NULL);
 638
 639         switch (pparam->type) {
 640         case P_STRING:
 641                 str = (gchar **)pparam->data;
 642                 g_free(*str);
 643                 *str = pref_get_pref_from_entry(GTK_ENTRY(*pparam->widget));
 644                 break;
 645         default:
 646                 g_warning("Invalid escaped PrefType for GtkEntry widget: %d",
 647                           pparam->type);
 648         }
 649 }
 650
 651 void prefs_set_entry(PrefParam *pparam)
 652 {
 653         gchar **str;
 654         cm_return_if_fail(*pparam->widget != NULL);
 655
 656         switch (pparam->type) {
 657         case P_STRING:
 658                 str = (gchar **)pparam->data;
 659                 gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
 660                                    *str ? *str : "");
 661                 break;
 662         case P_INT:
 663                 gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
 664                                    itos(*((gint *)pparam->data)));
 665                 break;
 666         case P_USHORT:
 667                 gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
 668                                    itos(*((gushort *)pparam->data)));
 669                 break;
 670         default:
 671                 g_warning("Invalid PrefType for GtkEntry widget: %d",
 672                           pparam->type);
 673         }
 674 }
 675
 676 void prefs_set_entry_from_escaped(PrefParam *pparam)
 677 {
 678         gchar **str;
 679
 680         cm_return_if_fail(*pparam->widget != NULL);
 681
 682         switch (pparam->type) {
 683         case P_STRING:
 684                 str = (gchar **)pparam->data;
 685                 pref_set_entry_from_pref(GTK_ENTRY(*pparam->widget),
 686                                    *str ? *str : "");
 687                 break;
 688         default:
 689                 g_warning("Invalid escaped PrefType for GtkEntry widget: %d",
 690                           pparam->type);
 691         }
 692 }
 693
 694 void prefs_set_data_from_text(PrefParam *pparam)
 695 {
 696         gchar **str;
 697         gchar *text = NULL, *tp = NULL;
 698         gchar *tmp, *tmpp;
 699
 700         cm_return_if_fail(*pparam->widget != NULL);
 701
 702         switch (pparam->type) {
 703         case P_STRING:
 704                 str = (gchar **)pparam->data;
 705                 g_free(*str);
 706                 if (GTK_IS_EDITABLE(*pparam->widget)) {   /* need? */
 707                         tp = text = gtk_editable_get_chars
 708                                         (GTK_EDITABLE(*pparam->widget), 0, -1);
 709                 } else if (GTK_IS_TEXT_VIEW(*pparam->widget)) {
 710                         GtkTextView *textview = GTK_TEXT_VIEW(*pparam->widget);
 711                         GtkTextBuffer *buffer = gtk_text_view_get_buffer(textview);
 712                         GtkTextIter start, end;
 713                         gtk_text_buffer_get_start_iter(buffer, &start);
 714                         gtk_text_buffer_get_iter_at_offset(buffer, &end, -1);
 715                         tp = text = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
 716                 }
 717
 718                 cm_return_if_fail (tp && text);
 719
 720                 if (text[0] == '\0') {
 721                         *str = NULL;
 722                         g_free(text);
 723                         break;
 724                 }
 725
 726                 Xalloca(tmpp = tmp, strlen(text) * 2 + 1,
 727                         { *str = NULL; break; });
 728                 while (*tp) {
 729                         if (*tp == '\n') {
 730                                 *tmpp++ = '\\';
 731                                 *tmpp++ = 'n';
 732                                 tp++;
 733                         } else
 734                                 *tmpp++ = *tp++;
 735                 }
 736                 *tmpp = '\0';
 737                 *str = g_strdup(tmp);
 738                 g_free(text);
 739                 break;
 740         default:
 741                 g_warning("Invalid PrefType for GtkText widget: %d",
 742                           pparam->type);
 743         }
 744 }
 745
 746 void prefs_set_escaped_data_from_text(PrefParam *pparam)
 747 {
 748         gchar **str;
 749
 750         cm_return_if_fail(*pparam->widget != NULL);
 751
 752         switch (pparam->type) {
 753         case P_STRING:
 754                 str = (gchar **)pparam->data;
 755                 g_free(*str);
 756                 *str = pref_get_pref_from_textview(GTK_TEXT_VIEW(*pparam->widget));
 757                 break;
 758         default:
 759                 g_warning("Invalid escaped PrefType for GtkText widget: %d",
 760                           pparam->type);
 761         }
 762 }
 763
 764 void prefs_set_text(PrefParam *pparam)
 765 {
 766         gchar *buf, *sp, *bufp;
 767         gchar **str;
 768         GtkTextView *text;
 769         GtkTextBuffer *buffer;
 770         GtkTextIter iter;
 771
 772         cm_return_if_fail(*pparam->widget != NULL);
 773
 774         switch (pparam->type) {
 775         case P_STRING:
 776                 str = (gchar **)pparam->data;
 777                 if (*str) {
 778                         bufp = buf = alloca(strlen(*str) + 1);
 779                         if (!buf) buf = "";
 780                         else {
 781                                 sp = *str;
 782                                 while (*sp) {
 783                                         if (*sp == '\\' && *(sp + 1) == 'n') {
 784                                                 *bufp++ = '\n';
 785                                                 sp += 2;
 786                                         } else
 787                                                 *bufp++ = *sp++;
 788                                 }
 789                                 *bufp = '\0';
 790                         }
 791                 } else
 792                         buf = "";
 793
 794                 text = GTK_TEXT_VIEW(*pparam->widget);
 795                 buffer = gtk_text_view_get_buffer(text);
 796                 gtk_text_buffer_set_text(buffer, "", -1);
 797                 gtk_text_buffer_get_start_iter(buffer, &iter);
 798                 gtk_text_buffer_insert(buffer, &iter, buf, -1);
 799                 break;
 800         default:
 801                 g_warning("Invalid PrefType for GtkTextView widget: %d",
 802                           pparam->type);
 803         }
 804 }
 805
 806 void prefs_set_text_from_escaped(PrefParam *pparam)
 807 {
 808         gchar **str;
 809
 810         cm_return_if_fail(*pparam->widget != NULL);
 811
 812         switch (pparam->type) {
 813         case P_STRING:
 814                 str = (gchar **)pparam->data;
 815                 pref_set_textview_from_pref(GTK_TEXT_VIEW(*pparam->widget),
 816                                  *str ? *str : "");
 817                 break;
 818         default:
 819                 g_warning("Invalid escaped PrefType for GtkTextView widget: %d",
 820                           pparam->type);
 821         }
 822 }
 823
 824 void prefs_set_data_from_toggle(PrefParam *pparam)
 825 {
 826         cm_return_if_fail(pparam->type == P_BOOL);
 827         cm_return_if_fail(*pparam->widget != NULL);
 828
 829         *((gboolean *)pparam->data) =
 830                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(*pparam->widget));
 831 }
 832
 833 void prefs_set_toggle(PrefParam *pparam)
 834 {
 835         cm_return_if_fail(pparam->type == P_BOOL);
 836         cm_return_if_fail(*pparam->widget != NULL);
 837
 838         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(*pparam->widget),
 839                                      *((gboolean *)pparam->data));
 840 }
 841
 842 void prefs_set_data_from_spinbtn(PrefParam *pparam)
 843 {
 844         cm_return_if_fail(*pparam->widget != NULL);
 845
 846         switch (pparam->type) {
 847         case P_INT:
 848                 *((gint *)pparam->data) =
 849                         gtk_spin_button_get_value_as_int
 850                         (GTK_SPIN_BUTTON(*pparam->widget));
 851                 break;
 852         case P_USHORT:
 853                 *((gushort *)pparam->data) =
 854                         (gushort)gtk_spin_button_get_value_as_int
 855                         (GTK_SPIN_BUTTON(*pparam->widget));
 856                 break;
 857         default:
 858                 g_warning("Invalid PrefType for GtkSpinButton widget: %d",
 859                           pparam->type);
 860         }
 861 }
 862
 863 void prefs_set_spinbtn(PrefParam *pparam)
 864 {
 865         cm_return_if_fail(*pparam->widget != NULL);
 866
 867         switch (pparam->type) {
 868         case P_INT:
 869                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(*pparam->widget),
 870                                           (gfloat)*((gint *)pparam->data));
 871                 break;
 872         case P_USHORT:
 873                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(*pparam->widget),
 874                                           (gfloat)*((gushort *)pparam->data));
 875                 break;
 876         default:
 877                 g_warning("Invalid PrefType for GtkSpinButton widget: %d",
 878                           pparam->type);
 879         }
 880 }
 881
 882 static GSList *prefs_pages = NULL;
 883
 884 static void prefs_gtk_window_closed_cb(PrefsWindow *prefswindow)
 885 {
 886         if (prefswindow == NULL)
 887                 return;
 888
 889         if (prefswindow->dialog_response > PREFSWINDOW_RESPONSE_CANCEL)
 890                 prefs_common_write_config();
 891 }
 892
 893 void prefs_gtk_open(void)
 894 {
 895         prefswindow_open(_("Preferences"), prefs_pages, NULL,
 896                         &prefs_common.prefswin_width, &prefs_common.prefswin_height,
 897                         NULL, prefs_gtk_window_closed_cb, prefs_gtk_window_closed_cb);
 898 }
 899
 900 void prefs_gtk_register_page(PrefsPage *page)
 901 {
 902         prefs_pages = g_slist_append(prefs_pages, page);
 903 }
 904
 905 void prefs_gtk_unregister_page(PrefsPage *page)
 906 {
 907         prefs_pages = g_slist_remove(prefs_pages, page);
 908 }
 909
 910 static void prefs_destroy_whole_cache(gpointer to_free)
 911 {
 912         GHashTable *table = (GHashTable *)to_free;
 913         g_hash_table_destroy(table);
 914 }
 915
 916 static void prefs_destroy_file_cache(gpointer to_free)
 917 {
 918         GHashTable *table = (GHashTable *)to_free;
 919         g_hash_table_destroy(table);
 920 }
 921
 922 static int prefs_cache_sections(GHashTable *file_cache, const gchar *rcfile)
 923 {
 924         FILE *fp = NULL;
 925         gchar buf[PREFSBUFSIZE];
 926         GHashTable *section_cache = NULL;
 927
 928         if (rcfile)
 929                 fp = claws_fopen(rcfile, "rb");
 930         if (!fp) {
 931                 debug_print("cache: %s: %s\n", rcfile?rcfile:"(null)", g_strerror(errno));
 932                 return -1;
 933         }
 934
 935         while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
 936                 strretchomp(buf);
 937                 if (buf[0] == '\0')
 938                         continue;
 939                 if (buf[0] == '#')
 940                         continue; /* comment */
 941                 if (buf[0] == '[') { /* new section */
 942                         gchar *blockname = g_strdup(buf+1);
 943
 944                         if (strrchr(blockname, ']'))
 945                                 *strrchr(blockname, ']') = '\0';
 946
 947                         if ((section_cache = g_hash_table_lookup(file_cache, blockname)) == NULL) {
 948                                 debug_print("new section '%s'\n", blockname);
 949                                 section_cache = g_hash_table_new_full(g_str_hash, g_str_equal,
 950                                                 g_free, NULL);
 951                                 g_hash_table_insert(file_cache,
 952                                         blockname, section_cache);
 953                         } else {
 954                                 debug_print("section '%s' already done\n", blockname);
 955                                 g_free(blockname);
 956                                 section_cache = NULL;
 957                                 continue;
 958                         }
 959                 } else {
 960                         if (!section_cache) {
 961                                 debug_print("skipping stuff %s with no section\n", buf);
 962                                 continue;
 963                         } else {
 964                                 gchar *pref;
 965
 966                                 if (!strchr(buf, '=')) {
 967                                         /* plugins do differently */
 968                                         continue;
 969                                 }
 970                                 pref = g_strdup(buf);
 971
 972                                 //debug_print("new pref '%s'\n", pref);
 973                                 g_hash_table_insert(section_cache, pref, GINT_TO_POINTER(1));
 974                         }
 975                 }
 976         }
 977         claws_fclose(fp);
 978         return 0;
 979 }
 980
 981 static int prefs_cache(const gchar *rcfile)
 982 {
 983         GHashTable *file_cache = g_hash_table_new_full(g_str_hash, g_str_equal,
 984                                         g_free, prefs_destroy_file_cache);
 985
 986         debug_print("new file '%s'\n", rcfile?rcfile:"(null)");
 987         g_hash_table_insert(whole_cache, g_strdup(rcfile), file_cache);
 988
 989         return prefs_cache_sections(file_cache, rcfile);
 990 }
 991
 992 void prefs_prepare_cache(void)
 993 {
 994         gchar *clawsrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, COMMON_RC, NULL);
 995         gchar *folderitemrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, FOLDERITEM_RC, NULL);
 996         gchar *accountrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, ACCOUNT_RC, NULL);
 997
 998         if (whole_cache == NULL) {
 999                 whole_cache = g_hash_table_new_full(g_str_hash, g_str_equal,
1000                                 g_free, prefs_destroy_whole_cache);
1001         } else {
1002                 debug_print("already cached\n");
1003                 g_free(clawsrc);
1004                 g_free(folderitemrc);
1005                 g_free(accountrc);
1006                 return;
1007         }
1008         if (prefs_cache(clawsrc) < 0 ||
1009             prefs_cache(folderitemrc) < 0 ||
1010             prefs_cache(accountrc) < 0)
1011                 prefs_destroy_cache();
1012
1013         g_free(clawsrc);
1014         g_free(folderitemrc);
1015         g_free(accountrc);
1016 }
1017
1018 void prefs_destroy_cache(void)
1019 {
1020         if (!whole_cache) {
1021                 debug_print("no cache\n");
1022                 return;
1023         }
1024         debug_print("destroying cache\n");
1025         g_hash_table_destroy(whole_cache);
1026         whole_cache = NULL;
1027         return;
1028 }
1029
1030 static void prefs_parse_cache(gpointer key, gpointer value, gpointer user_data)
1031 {
1032         gchar *pref = (gchar *)key;
1033
1034         PrefParam *param = (PrefParam *)user_data;
1035
1036         prefs_config_parse_one_line(param, pref);
1037 }
1038
1039 static gboolean prefs_read_config_from_cache(PrefParam *param, const gchar *label,
1040                                const gchar *rcfile)
1041 {
1042         GHashTable *sections_table = NULL;
1043         GHashTable *values_table = NULL;
1044         sections_table = g_hash_table_lookup(whole_cache, rcfile);
1045
1046         if (sections_table == NULL) {
1047                 g_warning("Can't find %s in the whole cache", rcfile?rcfile:"(null)");
1048                 return FALSE;
1049         }
1050         values_table = g_hash_table_lookup(sections_table, label);
1051
1052         if (values_table == NULL) {
1053                 debug_print("no '%s' section in '%s' cache\n", label?label:"(null)", rcfile?rcfile:"(null)");
1054                 return TRUE;
1055         }
1056         g_hash_table_foreach(values_table, prefs_parse_cache, param);
1057         return TRUE;
1058 }