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 /* Kept for backwards compatibility */
  53 #define INTCOLOR_TO_GDKRGBA(intcolor, rgba) \
  54         rgba.red   = (gdouble)(((intcolor >> 16UL) & 0xFFUL) << 8UL) / 65535; \
  55         rgba.green = (gdouble)(((intcolor >>  8UL) & 0xFFUL) << 8UL) / 65535; \
  56         rgba.blue  = (gdouble)(((intcolor        ) & 0xFFUL) << 8UL) / 65535; \
  57         rgba.alpha = 1;
  58
  59
  60 typedef enum
  61 {
  62         DUMMY_PARAM
  63 } DummyEnum;
  64
  65 static GHashTable *whole_cache = NULL;
  66
  67 static gboolean prefs_read_config_from_cache(PrefParam *param, const gchar *label,
  68                                const gchar *rcfile);
  69
  70 static void prefs_config_parse_one_line(PrefParam       *param,
  71                                          const gchar    *buf);
  72
  73 void prefs_read_config(PrefParam *param, const gchar *label,
  74                        const gchar *rcfile, const gchar *encoding)
  75 {
  76         FILE *fp;
  77         gchar buf[PREFSBUFSIZE];
  78         gchar *block_label;
  79
  80         cm_return_if_fail(param != NULL);
  81         cm_return_if_fail(label != NULL);
  82         cm_return_if_fail(rcfile != NULL);
  83
  84         if (encoding != NULL)
  85                 g_warning("encoding is ignored");
  86
  87         debug_print("Reading configuration...\n");
  88
  89         prefs_set_default(param);
  90
  91         if (whole_cache != NULL) {
  92                 if (prefs_read_config_from_cache(param, label, rcfile) == TRUE)
  93                         return;
  94         }
  95
  96         if ((fp = claws_fopen(rcfile, "rb")) == NULL) {
  97                 if (ENOENT != errno) FILE_OP_ERROR(rcfile, "claws_fopen");
  98                 return;
  99         }
 100
 101         block_label = g_strdup_printf("[%s]", label);
 102
 103         /* search aiming block */
 104         while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
 105                 gint val;
 106
 107                 if (encoding) {
 108                         gchar *conv_str;
 109
 110                         conv_str = conv_codeset_strdup
 111                                 (buf, encoding, CS_INTERNAL);
 112                         if (!conv_str)
 113                                 conv_str = g_strdup(buf);
 114                         val = strncmp
 115                                 (conv_str, block_label, strlen(block_label));
 116                         g_free(conv_str);
 117                 } else
 118                         val = strncmp(buf, block_label, strlen(block_label));
 119                 if (val == 0) {
 120                         debug_print("Found %s\n", block_label);
 121                         break;
 122                 }
 123         }
 124         g_free(block_label);
 125
 126         while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
 127                 strretchomp(buf);
 128                 /* reached next block */
 129                 if (buf[0] == '[') break;
 130                 if (buf[0] == '#') continue;
 131
 132                 if (encoding) {
 133                         gchar *conv_str;
 134
 135                         conv_str = conv_codeset_strdup
 136                                 (buf, encoding, CS_INTERNAL);
 137                         if (!conv_str)
 138                                 conv_str = g_strdup(buf);
 139                         prefs_config_parse_one_line(param, conv_str);
 140                         g_free(conv_str);
 141                 } else
 142                         prefs_config_parse_one_line(param, buf);
 143         }
 144
 145         debug_print("Finished reading configuration.\n");
 146         claws_fclose(fp);
 147 }
 148
 149 static void prefs_config_parse_one_line(PrefParam *param, const gchar *buf)
 150 {
 151         gint i;
 152         gint name_len;
 153         const gchar *value;
 154         GdkRGBA color;
 155
 156         for (i = 0; param[i].name != NULL; i++) {
 157                 name_len = strlen(param[i].name);
 158                 if (g_ascii_strncasecmp(buf, param[i].name, name_len))
 159                         continue;
 160                 if (buf[name_len] != '=')
 161                         continue;
 162                 value = buf + name_len + 1;
 163                 /* debug_print("%s = %s\n", param[i].name, value); */
 164
 165                 switch (param[i].type) {
 166                 case P_STRING:
 167                 case P_PASSWORD:
 168                 {
 169                         gchar *tmp = NULL;
 170
 171                         if (*value) {
 172                                 if (g_utf8_validate(value, -1, NULL))
 173                                         tmp = g_strdup(value);
 174                                 else {
 175                                         tmp = conv_codeset_strdup(value,
 176                                                     conv_get_locale_charset_str_no_utf8(),
 177                                                     CS_INTERNAL);
 178                                 }
 179                         } else {
 180                                 tmp = g_strdup("");
 181                         }
 182                         if (!tmp) {
 183                                 g_warning("failed to convert character set");
 184                                 tmp = g_strdup(value);
 185                         }
 186                         g_free(*((gchar **)param[i].data));
 187                         *((gchar **)param[i].data) = tmp;
 188                         break;
 189                 }
 190                 case P_INT:
 191                         *((gint *)param[i].data) =
 192                                 (gint)atoi(value);
 193                         break;
 194                 case P_BOOL:
 195                         *((gboolean *)param[i].data) =
 196                                 (*value == '0' || *value == '\0')
 197                                         ? FALSE : TRUE;
 198                         break;
 199                 case P_ENUM:
 200                         *((DummyEnum *)param[i].data) =
 201                                 (DummyEnum)atoi(value);
 202                         break;
 203                 case P_USHORT:
 204                         *((gushort *)param[i].data) =
 205                                 (gushort)atoi(value);
 206                         break;
 207                 case P_COLOR:
 208                         if (!gdk_rgba_parse(&color, value)) {
 209                                 /* be compatible and accept ints */
 210                                 INTCOLOR_TO_GDKRGBA(strtoul(value, 0, 10), color);
 211                         }
 212                         *((GdkRGBA *)param[i].data) = color;
 213                         break;
 214                 default:
 215                         break;
 216                 }
 217         }
 218 }
 219
 220 #define TRY(func) \
 221 if (!(func)) \
 222 { \
 223         g_warning("failed to write configuration to file"); \
 224         if (orig_fp) claws_fclose(orig_fp); \
 225         prefs_file_close_revert(pfile); \
 226         g_free(rcpath); \
 227         g_free(block_label); \
 228         return; \
 229 } \
 230
 231 void prefs_write_config(PrefParam *param, const gchar *label,
 232                         const gchar *rcfile)
 233 {
 234         FILE *orig_fp;
 235         PrefFile *pfile;
 236         gchar *rcpath;
 237         gchar buf[PREFSBUFSIZE];
 238         gchar *block_label = NULL;
 239         gboolean block_matched = FALSE;
 240
 241         cm_return_if_fail(param != NULL);
 242         cm_return_if_fail(label != NULL);
 243         cm_return_if_fail(rcfile != NULL);
 244
 245         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, rcfile, NULL);
 246         if ((orig_fp = claws_fopen(rcpath, "rb")) == NULL) {
 247                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "claws_fopen");
 248         }
 249
 250         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 251                 g_warning("failed to write configuration to file");
 252                 if (orig_fp) claws_fclose(orig_fp);
 253                 g_free(rcpath);
 254                 return;
 255         }
 256
 257         block_label = g_strdup_printf("[%s]", label);
 258
 259         /* search aiming block */
 260         if (orig_fp) {
 261                 while (claws_fgets(buf, sizeof(buf), orig_fp) != NULL) {
 262                         gint val;
 263
 264                         val = strncmp(buf, block_label, strlen(block_label));
 265                         if (val == 0) {
 266                                 debug_print("Found %s\n", block_label);
 267                                 block_matched = TRUE;
 268                                 break;
 269                         } else
 270                                 TRY(claws_fputs(buf, pfile->fp) != EOF);
 271                 }
 272         }
 273
 274         TRY(fprintf(pfile->fp, "%s\n", block_label) > 0);
 275
 276         /* write all param data to file */
 277         TRY(prefs_write_param(param, pfile->fp) == 0);
 278
 279         if (block_matched) {
 280                 gboolean in_dup_block = FALSE;
 281                 while (claws_fgets(buf, sizeof(buf), orig_fp) != NULL) {
 282                         /* next block */
 283                         if (buf[0] == '[') {
 284                                 TRY(claws_fputc('\n', pfile->fp) != EOF &&
 285                                     claws_fputs(buf, pfile->fp)  != EOF);
 286                                 break;
 287                         }
 288                 }
 289                 while (claws_fgets(buf, sizeof(buf), orig_fp) != NULL) {
 290                         if (buf[0] == '[') {
 291                                 if (!strncmp(buf, block_label,
 292                                                 strlen(block_label)))
 293                                         in_dup_block = TRUE;
 294                                 else
 295                                         in_dup_block = FALSE;
 296                         }
 297                         if (!in_dup_block)
 298                                 TRY(claws_fputs(buf, pfile->fp) != EOF);
 299                 }
 300         }
 301
 302         g_free(block_label);
 303         block_label = NULL;
 304
 305         if (orig_fp) claws_fclose(orig_fp);
 306         if (prefs_file_close(pfile) < 0)
 307                 g_warning("failed to write configuration to file");
 308         g_free(rcpath);
 309
 310         debug_print("Configuration is saved.\n");
 311 }
 312
 313 gint prefs_write_param(PrefParam *param, FILE *fp)
 314 {
 315         gint i;
 316         gchar buf[PREFSBUFSIZE] = "";
 317         gchar *tmp;
 318
 319         for (i = 0; param[i].name != NULL; i++) {
 320                 switch (param[i].type) {
 321                 case P_STRING:
 322                 {
 323                         gchar *tmp = NULL;
 324
 325                         if (*((gchar **)param[i].data)) {
 326                                 if (g_utf8_validate(*((gchar **)param[i].data), -1, NULL))
 327                                         tmp = g_strdup(*((gchar **)param[i].data));
 328                                 else {
 329                                         tmp = conv_codeset_strdup(*((gchar **)param[i].data),
 330                                                 conv_get_locale_charset_str_no_utf8(),
 331                                                 CS_INTERNAL);
 332                                         if (!tmp)
 333                                                 tmp = g_strdup(*((gchar **)param[i].data));
 334                                 }
 335                         }
 336
 337                         g_snprintf(buf, sizeof(buf), "%s=%s\n", param[i].name,
 338                                    tmp ? tmp : "");
 339
 340                         g_free(tmp);
 341                         break;
 342                 }
 343                 case P_PASSWORD:
 344                         buf[0] = '\0'; /* Passwords are written to password store. */
 345                         break;
 346                 case P_INT:
 347                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 348                                    *((gint *)param[i].data));
 349                         break;
 350                 case P_BOOL:
 351                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 352                                    *((gboolean *)param[i].data));
 353                         break;
 354                 case P_ENUM:
 355                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 356                                    *((DummyEnum *)param[i].data));
 357                         break;
 358                 case P_USHORT:
 359                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 360                                    *((gushort *)param[i].data));
 361                         break;
 362                 case P_COLOR:
 363                         tmp = gtkut_gdk_rgba_to_string((GdkRGBA *)param[i].data);
 364                         g_snprintf(buf, sizeof buf,  "%s=%s\n", param[i].name, tmp);
 365                         g_free(tmp);
 366                         break;
 367                 default:
 368                         /* unrecognized, fail */
 369                         debug_print("Unrecognized parameter type\n");
 370                         return -1;
 371                 }
 372
 373                 if (buf[0] != '\0') {
 374                         if (claws_fputs(buf, fp) == EOF) {
 375                                 perror("claws_fputs");
 376                                 return -1;
 377                         }
 378                 }
 379         }
 380
 381         return 0;
 382 }
 383
 384 void prefs_set_default(PrefParam *param)
 385 {
 386         gint i;
 387         GdkRGBA color;
 388
 389         cm_return_if_fail(param != NULL);
 390
 391         for (i = 0; param[i].name != NULL; i++) {
 392                 if (!param[i].data) continue;
 393
 394                 switch (param[i].type) {
 395                 case P_STRING:
 396                         g_free(*((gchar **)param[i].data));
 397                         if (param[i].defval != NULL) {
 398                                 if (!strncasecmp(param[i].defval, "ENV_", 4)) {
 399                                         const gchar *envstr;
 400                                         gchar *tmp;
 401
 402                                         envstr = g_getenv(param[i].defval + 4);
 403                                         tmp = envstr && *envstr ?
 404                                                 conv_codeset_strdup(envstr,
 405                                                                     conv_get_locale_charset_str(),
 406                                                                     CS_INTERNAL)
 407                                                 : g_strdup("");
 408                                         if (!tmp) {
 409                                                 g_warning("failed to convert character set");
 410                                                 tmp = g_strdup(envstr);
 411                                         }
 412                                         *((gchar **)param[i].data) = tmp;
 413                                 } else if (param[i].defval[0] == '~')
 414                                         *((gchar **)param[i].data) =
 415                                                 g_strconcat(get_home_dir(),
 416                                                             param[i].defval + 1,
 417                                                             NULL);
 418                                 else
 419                                         *((gchar **)param[i].data) =
 420                                                 g_strdup(param[i].defval);
 421                         } else
 422                                 *((gchar **)param[i].data) = NULL;
 423                         break;
 424                 case P_PASSWORD:
 425                         g_free(*((gchar **)param[i].data));
 426                         if (param[i].defval != NULL) {
 427                                 if (param[i].defval[0] != '\0')
 428                                         *((gchar **)param[i].data) =
 429                                                 g_strdup(param[i].defval);
 430                                 else
 431                                         *((gchar **)param[i].data) = NULL;
 432                         } else
 433                                 *((gchar **)param[i].data) = NULL;
 434                         break;
 435                 case P_INT:
 436                         if (param[i].defval != NULL)
 437                                 *((gint *)param[i].data) =
 438                                         (gint)atoi(param[i].defval);
 439                         else if (!strcmp(param[i].name, "config_version"))
 440                                 *((gint *)param[i].data) = CLAWS_CONFIG_VERSION;
 441                         else
 442                                 *((gint *)param[i].data) = 0;
 443                         break;
 444                 case P_BOOL:
 445                         if (param[i].defval != NULL) {
 446                                 if (!g_ascii_strcasecmp(param[i].defval, "TRUE"))
 447                                         *((gboolean *)param[i].data) = TRUE;
 448                                 else
 449                                         *((gboolean *)param[i].data) = atoi(param[i].defval) ? TRUE : FALSE;
 450                         } else
 451                                 *((gboolean *)param[i].data) = FALSE;
 452                         break;
 453                 case P_ENUM:
 454                         if (param[i].defval != NULL)
 455                                 *((DummyEnum*)param[i].data) =
 456                                         (DummyEnum)atoi(param[i].defval);
 457                         else
 458                                 *((DummyEnum *)param[i].data) = 0;
 459                         break;
 460                 case P_USHORT:
 461                         if (param[i].defval != NULL)
 462                                 *((gushort *)param[i].data) = (gushort)atoi(param[i].defval);
 463                         else
 464                                 *((gushort *)param[i].data) = 0;
 465                         break;
 466                 case P_COLOR:
 467                         if (param[i].defval != NULL && gdk_rgba_parse(&color, param[i].defval)) {
 468                                 color.alpha = 1;
 469                                 *((GdkRGBA *)param[i].data) = color;
 470                         } else if (param[i].defval) {
 471                                 /* be compatible and accept ints */
 472                                 INTCOLOR_TO_GDKRGBA(strtoul(param[i].defval, 0, 10), color);
 473                                 *((GdkRGBA *)param[i].data) = color;
 474                         } else {
 475                                 /* set to black as fallback */
 476                                 color.red = color.green = color.blue = 0;
 477                                 color.alpha = 1;
 478                                 *((GdkRGBA *)param[i].data) = color;
 479                         }
 480                         break;
 481                 default:
 482                         break;
 483                 }
 484         }
 485 }
 486
 487 void prefs_free(PrefParam *param)
 488 {
 489         gint i;
 490
 491         cm_return_if_fail(param != NULL);
 492
 493         for (i = 0; param[i].name != NULL; i++) {
 494                 if (!param[i].data) continue;
 495
 496                 switch (param[i].type) {
 497                 case P_STRING:
 498                 case P_PASSWORD:
 499                         g_free(*((gchar **)param[i].data));
 500                         break;
 501                 default:
 502                         break;
 503                 }
 504         }
 505 }
 506
 507 void prefs_button_toggled(GtkToggleButton *toggle_btn, GtkWidget *widget)
 508 {
 509         gboolean is_active;
 510
 511         is_active = gtk_toggle_button_get_active(toggle_btn);
 512         gtk_widget_set_sensitive(widget, is_active);
 513 }
 514
 515 void prefs_button_toggled_reverse(GtkToggleButton *toggle_btn, GtkWidget *widget)
 516 {
 517         gboolean is_active;
 518
 519         is_active = gtk_toggle_button_get_active(toggle_btn);
 520         gtk_widget_set_sensitive(widget, !is_active);
 521 }
 522
 523 void prefs_set_dialog(PrefParam *param)
 524 {
 525         gint i;
 526
 527         for (i = 0; param[i].name != NULL; i++) {
 528                 if (param[i].widget_set_func)
 529                         param[i].widget_set_func(&param[i]);
 530         }
 531 }
 532
 533 void prefs_set_data_from_dialog(PrefParam *param)
 534 {
 535         gint i;
 536
 537         for (i = 0; param[i].name != NULL; i++) {
 538                 if (param[i].data_set_func)
 539                         param[i].data_set_func(&param[i]);
 540         }
 541 }
 542
 543 void prefs_set_dialog_to_default(PrefParam *param)
 544 {
 545         gint       i;
 546         PrefParam  tmpparam;
 547         gchar     *str_data = NULL;
 548         gint       int_data;
 549         gushort    ushort_data;
 550         gboolean   bool_data;
 551         DummyEnum  enum_data;
 552
 553         for (i = 0; param[i].name != NULL; i++) {
 554                 if (!param[i].widget_set_func) continue;
 555
 556                 tmpparam = param[i];
 557
 558                 switch (tmpparam.type) {
 559                 case P_STRING:
 560                         if (tmpparam.defval) {
 561                                 if (!g_ascii_strncasecmp(tmpparam.defval, "ENV_", 4)) {
 562                                         str_data = g_strdup(g_getenv(param[i].defval + 4));
 563                                         tmpparam.data = &str_data;
 564                                         break;
 565                                 } else if (tmpparam.defval[0] == '~') {
 566                                         str_data =
 567                                                 g_strconcat(get_home_dir(),
 568                                                             param[i].defval + 1,
 569                                                             NULL);
 570                                         tmpparam.data = &str_data;
 571                                         break;
 572                                 }
 573                         }
 574                         tmpparam.data = &tmpparam.defval;
 575                         break;
 576                 case P_PASSWORD:
 577                         tmpparam.data = &tmpparam.defval;
 578                         break;
 579                 case P_INT:
 580                         if (tmpparam.defval)
 581                                 int_data = atoi(tmpparam.defval);
 582                         else
 583                                 int_data = 0;
 584                         tmpparam.data = &int_data;
 585                         break;
 586                 case P_USHORT:
 587                         if (tmpparam.defval)
 588                                 ushort_data = atoi(tmpparam.defval);
 589                         else
 590                                 ushort_data = 0;
 591                         tmpparam.data = &ushort_data;
 592                         break;
 593                 case P_BOOL:
 594                         if (tmpparam.defval) {
 595                                 if (!g_ascii_strcasecmp(tmpparam.defval, "TRUE"))
 596                                         bool_data = TRUE;
 597                                 else
 598                                         bool_data = atoi(tmpparam.defval)
 599                                                 ? TRUE : FALSE;
 600                         } else
 601                                 bool_data = FALSE;
 602                         tmpparam.data = &bool_data;
 603                         break;
 604                 case P_ENUM:
 605                         if (tmpparam.defval)
 606                                 enum_data = (DummyEnum)atoi(tmpparam.defval);
 607                         else
 608                                 enum_data = 0;
 609                         tmpparam.data = &enum_data;
 610                         break;
 611                 case P_OTHER:
 612                 default:
 613                         break;
 614                 }
 615                 tmpparam.widget_set_func(&tmpparam);
 616                 g_free(str_data);
 617                 str_data = NULL;
 618         }
 619 }
 620
 621 void prefs_set_data_from_entry(PrefParam *pparam)
 622 {
 623         gchar **str;
 624         const gchar *entry_str;
 625
 626         cm_return_if_fail(*pparam->widget != NULL);
 627
 628         entry_str = gtk_entry_get_text(GTK_ENTRY(*pparam->widget));
 629
 630         switch (pparam->type) {
 631         case P_STRING:
 632                 str = (gchar **)pparam->data;
 633                 g_free(*str);
 634                 *str = entry_str[0] ? g_strdup(entry_str) : NULL;
 635                 break;
 636         case P_USHORT:
 637                 *((gushort *)pparam->data) = atoi(entry_str);
 638                 break;
 639         case P_INT:
 640                 *((gint *)pparam->data) = atoi(entry_str);
 641                 break;
 642         default:
 643                 g_warning("invalid PrefType for GtkEntry widget: %d",
 644                           pparam->type);
 645         }
 646 }
 647
 648 void prefs_set_escaped_data_from_entry(PrefParam *pparam)
 649 {
 650         gchar **str;
 651
 652         cm_return_if_fail(*pparam->widget != NULL);
 653
 654         switch (pparam->type) {
 655         case P_STRING:
 656                 str = (gchar **)pparam->data;
 657                 g_free(*str);
 658                 *str = pref_get_pref_from_entry(GTK_ENTRY(*pparam->widget));
 659                 break;
 660         default:
 661                 g_warning("invalid escaped PrefType for GtkEntry widget: %d",
 662                           pparam->type);
 663         }
 664 }
 665
 666 void prefs_set_entry(PrefParam *pparam)
 667 {
 668         gchar **str;
 669         cm_return_if_fail(*pparam->widget != NULL);
 670
 671         switch (pparam->type) {
 672         case P_STRING:
 673                 str = (gchar **)pparam->data;
 674                 gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
 675                                    *str ? *str : "");
 676                 break;
 677         case P_INT:
 678                 gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
 679                                    itos(*((gint *)pparam->data)));
 680                 break;
 681         case P_USHORT:
 682                 gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
 683                                    itos(*((gushort *)pparam->data)));
 684                 break;
 685         default:
 686                 g_warning("invalid PrefType for GtkEntry widget: %d",
 687                           pparam->type);
 688         }
 689 }
 690
 691 void prefs_set_entry_from_escaped(PrefParam *pparam)
 692 {
 693         gchar **str;
 694
 695         cm_return_if_fail(*pparam->widget != NULL);
 696
 697         switch (pparam->type) {
 698         case P_STRING:
 699                 str = (gchar **)pparam->data;
 700                 pref_set_entry_from_pref(GTK_ENTRY(*pparam->widget),
 701                                    *str ? *str : "");
 702                 break;
 703         default:
 704                 g_warning("invalid escaped PrefType for GtkEntry widget: %d",
 705                           pparam->type);
 706         }
 707 }
 708
 709 void prefs_set_data_from_text(PrefParam *pparam)
 710 {
 711         gchar **str;
 712         gchar *text = NULL, *tp = NULL;
 713         gchar *tmp, *tmpp;
 714
 715         cm_return_if_fail(*pparam->widget != NULL);
 716
 717         switch (pparam->type) {
 718         case P_STRING:
 719                 str = (gchar **)pparam->data;
 720                 g_free(*str);
 721                 if (GTK_IS_EDITABLE(*pparam->widget)) {   /* need? */
 722                         tp = text = gtk_editable_get_chars
 723                                         (GTK_EDITABLE(*pparam->widget), 0, -1);
 724                 } else if (GTK_IS_TEXT_VIEW(*pparam->widget)) {
 725                         GtkTextView *textview = GTK_TEXT_VIEW(*pparam->widget);
 726                         GtkTextBuffer *buffer = gtk_text_view_get_buffer(textview);
 727                         GtkTextIter start, end;
 728                         gtk_text_buffer_get_start_iter(buffer, &start);
 729                         gtk_text_buffer_get_iter_at_offset(buffer, &end, -1);
 730                         tp = text = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
 731                 }
 732
 733                 cm_return_if_fail (tp && text);
 734
 735                 if (text[0] == '\0') {
 736                         *str = NULL;
 737                         g_free(text);
 738                         break;
 739                 }
 740
 741                 Xalloca(tmpp = tmp, strlen(text) * 2 + 1,
 742                         { *str = NULL; break; });
 743                 while (*tp) {
 744                         if (*tp == '\n') {
 745                                 *tmpp++ = '\\';
 746                                 *tmpp++ = 'n';
 747                                 tp++;
 748                         } else
 749                                 *tmpp++ = *tp++;
 750                 }
 751                 *tmpp = '\0';
 752                 *str = g_strdup(tmp);
 753                 g_free(text);
 754                 break;
 755         default:
 756                 g_warning("invalid PrefType for GtkText widget: %d",
 757                           pparam->type);
 758         }
 759 }
 760
 761 void prefs_set_escaped_data_from_text(PrefParam *pparam)
 762 {
 763         gchar **str;
 764
 765         cm_return_if_fail(*pparam->widget != NULL);
 766
 767         switch (pparam->type) {
 768         case P_STRING:
 769                 str = (gchar **)pparam->data;
 770                 g_free(*str);
 771                 *str = pref_get_pref_from_textview(GTK_TEXT_VIEW(*pparam->widget));
 772                 break;
 773         default:
 774                 g_warning("invalid escaped PrefType for GtkText widget: %d",
 775                           pparam->type);
 776         }
 777 }
 778
 779 void prefs_set_text(PrefParam *pparam)
 780 {
 781         gchar *buf, *sp, *bufp;
 782         gchar **str;
 783         GtkTextView *text;
 784         GtkTextBuffer *buffer;
 785         GtkTextIter iter;
 786
 787         cm_return_if_fail(*pparam->widget != NULL);
 788
 789         switch (pparam->type) {
 790         case P_STRING:
 791                 str = (gchar **)pparam->data;
 792                 if (*str) {
 793                         bufp = buf = alloca(strlen(*str) + 1);
 794                         if (!buf) buf = "";
 795                         else {
 796                                 sp = *str;
 797                                 while (*sp) {
 798                                         if (*sp == '\\' && *(sp + 1) == 'n') {
 799                                                 *bufp++ = '\n';
 800                                                 sp += 2;
 801                                         } else
 802                                                 *bufp++ = *sp++;
 803                                 }
 804                                 *bufp = '\0';
 805                         }
 806                 } else
 807                         buf = "";
 808
 809                 text = GTK_TEXT_VIEW(*pparam->widget);
 810                 buffer = gtk_text_view_get_buffer(text);
 811                 gtk_text_buffer_set_text(buffer, "", -1);
 812                 gtk_text_buffer_get_start_iter(buffer, &iter);
 813                 gtk_text_buffer_insert(buffer, &iter, buf, -1);
 814                 break;
 815         default:
 816                 g_warning("invalid PrefType for GtkTextView widget: %d",
 817                           pparam->type);
 818         }
 819 }
 820
 821 void prefs_set_text_from_escaped(PrefParam *pparam)
 822 {
 823         gchar **str;
 824
 825         cm_return_if_fail(*pparam->widget != NULL);
 826
 827         switch (pparam->type) {
 828         case P_STRING:
 829                 str = (gchar **)pparam->data;
 830                 pref_set_textview_from_pref(GTK_TEXT_VIEW(*pparam->widget),
 831                                  *str ? *str : "");
 832                 break;
 833         default:
 834                 g_warning("invalid escaped PrefType for GtkTextView widget: %d",
 835                           pparam->type);
 836         }
 837 }
 838
 839 void prefs_set_data_from_toggle(PrefParam *pparam)
 840 {
 841         cm_return_if_fail(pparam->type == P_BOOL);
 842         cm_return_if_fail(*pparam->widget != NULL);
 843
 844         *((gboolean *)pparam->data) =
 845                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(*pparam->widget));
 846 }
 847
 848 void prefs_set_toggle(PrefParam *pparam)
 849 {
 850         cm_return_if_fail(pparam->type == P_BOOL);
 851         cm_return_if_fail(*pparam->widget != NULL);
 852
 853         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(*pparam->widget),
 854                                      *((gboolean *)pparam->data));
 855 }
 856
 857 void prefs_set_data_from_spinbtn(PrefParam *pparam)
 858 {
 859         cm_return_if_fail(*pparam->widget != NULL);
 860
 861         switch (pparam->type) {
 862         case P_INT:
 863                 *((gint *)pparam->data) =
 864                         gtk_spin_button_get_value_as_int
 865                         (GTK_SPIN_BUTTON(*pparam->widget));
 866                 break;
 867         case P_USHORT:
 868                 *((gushort *)pparam->data) =
 869                         (gushort)gtk_spin_button_get_value_as_int
 870                         (GTK_SPIN_BUTTON(*pparam->widget));
 871                 break;
 872         default:
 873                 g_warning("invalid PrefType for GtkSpinButton widget: %d",
 874                           pparam->type);
 875         }
 876 }
 877
 878 void prefs_set_spinbtn(PrefParam *pparam)
 879 {
 880         cm_return_if_fail(*pparam->widget != NULL);
 881
 882         switch (pparam->type) {
 883         case P_INT:
 884                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(*pparam->widget),
 885                                           (gfloat)*((gint *)pparam->data));
 886                 break;
 887         case P_USHORT:
 888                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(*pparam->widget),
 889                                           (gfloat)*((gushort *)pparam->data));
 890                 break;
 891         default:
 892                 g_warning("invalid PrefType for GtkSpinButton widget: %d",
 893                           pparam->type);
 894         }
 895 }
 896
 897 static GSList *prefs_pages = NULL;
 898
 899 static void prefs_gtk_window_closed_cb(PrefsWindow *prefswindow)
 900 {
 901         if (prefswindow == NULL)
 902                 return;
 903
 904         if (prefswindow->dialog_response > PREFSWINDOW_RESPONSE_CANCEL)
 905                 prefs_common_write_config();
 906 }
 907
 908 void prefs_gtk_open(void)
 909 {
 910         prefswindow_open(_("Preferences"), prefs_pages, NULL,
 911                         &prefs_common.prefswin_width, &prefs_common.prefswin_height,
 912                         NULL, prefs_gtk_window_closed_cb, prefs_gtk_window_closed_cb);
 913 }
 914
 915 void prefs_gtk_register_page(PrefsPage *page)
 916 {
 917         prefs_pages = g_slist_append(prefs_pages, page);
 918 }
 919
 920 void prefs_gtk_unregister_page(PrefsPage *page)
 921 {
 922         prefs_pages = g_slist_remove(prefs_pages, page);
 923 }
 924
 925 static void prefs_destroy_whole_cache(gpointer to_free)
 926 {
 927         GHashTable *table = (GHashTable *)to_free;
 928         g_hash_table_destroy(table);
 929 }
 930
 931 static void prefs_destroy_file_cache(gpointer to_free)
 932 {
 933         GHashTable *table = (GHashTable *)to_free;
 934         g_hash_table_destroy(table);
 935 }
 936
 937 static int prefs_cache_sections(GHashTable *file_cache, const gchar *rcfile)
 938 {
 939         FILE *fp = NULL;
 940         gchar buf[PREFSBUFSIZE];
 941         GHashTable *section_cache = NULL;
 942
 943         if (rcfile)
 944                 fp = claws_fopen(rcfile, "rb");
 945         if (!fp) {
 946                 debug_print("cache: %s: %s\n", rcfile?rcfile:"(null)", g_strerror(errno));
 947                 return -1;
 948         }
 949
 950         while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
 951                 strretchomp(buf);
 952                 if (buf[0] == '\0')
 953                         continue;
 954                 if (buf[0] == '#')
 955                         continue; /* comment */
 956                 if (buf[0] == '[') { /* new section */
 957                         gchar *blockname = g_strdup(buf+1);
 958
 959                         if (strrchr(blockname, ']'))
 960                                 *strrchr(blockname, ']') = '\0';
 961
 962                         if ((section_cache = g_hash_table_lookup(file_cache, blockname)) == NULL) {
 963                                 debug_print("new section '%s'\n", blockname);
 964                                 section_cache = g_hash_table_new_full(g_str_hash, g_str_equal,
 965                                                 g_free, NULL);
 966                                 g_hash_table_insert(file_cache,
 967                                         blockname, section_cache);
 968                         } else {
 969                                 debug_print("section '%s' already done\n", blockname);
 970                                 g_free(blockname);
 971                                 section_cache = NULL;
 972                                 continue;
 973                         }
 974                 } else {
 975                         if (!section_cache) {
 976                                 debug_print("skipping stuff %s with no section\n", buf);
 977                                 continue;
 978                         } else {
 979                                 gchar *pref;
 980
 981                                 if (!strchr(buf, '=')) {
 982                                         /* plugins do differently */
 983                                         continue;
 984                                 }
 985                                 pref = g_strdup(buf);
 986
 987                                 //debug_print("new pref '%s'\n", pref);
 988                                 g_hash_table_insert(section_cache, pref, GINT_TO_POINTER(1));
 989                         }
 990                 }
 991         }
 992         claws_fclose(fp);
 993         return 0;
 994 }
 995
 996 static int prefs_cache(const gchar *rcfile)
 997 {
 998         GHashTable *file_cache = g_hash_table_new_full(g_str_hash, g_str_equal,
 999                                         g_free, prefs_destroy_file_cache);
1000
1001         debug_print("new file '%s'\n", rcfile?rcfile:"(null)");
1002         g_hash_table_insert(whole_cache, g_strdup(rcfile), file_cache);
1003
1004         return prefs_cache_sections(file_cache, rcfile);
1005 }
1006
1007 void prefs_prepare_cache(void)
1008 {
1009         gchar *clawsrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, COMMON_RC, NULL);
1010         gchar *folderitemrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, FOLDERITEM_RC, NULL);
1011         gchar *accountrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, ACCOUNT_RC, NULL);
1012
1013         if (whole_cache == NULL) {
1014                 whole_cache = g_hash_table_new_full(g_str_hash, g_str_equal,
1015                                 g_free, prefs_destroy_whole_cache);
1016         } else {
1017                 debug_print("already cached\n");
1018                 g_free(clawsrc);
1019                 g_free(folderitemrc);
1020                 g_free(accountrc);
1021                 return;
1022         }
1023         if (prefs_cache(clawsrc) < 0 ||
1024             prefs_cache(folderitemrc) < 0 ||
1025             prefs_cache(accountrc) < 0)
1026                 prefs_destroy_cache();
1027
1028         g_free(clawsrc);
1029         g_free(folderitemrc);
1030         g_free(accountrc);
1031 }
1032
1033 void prefs_destroy_cache(void)
1034 {
1035         if (!whole_cache) {
1036                 debug_print("no cache\n");
1037                 return;
1038         }
1039         debug_print("destroying cache\n");
1040         g_hash_table_destroy(whole_cache);
1041         whole_cache = NULL;
1042         return;
1043 }
1044
1045 static void prefs_parse_cache(gpointer key, gpointer value, gpointer user_data)
1046 {
1047         gchar *pref = (gchar *)key;
1048
1049         PrefParam *param = (PrefParam *)user_data;
1050
1051         prefs_config_parse_one_line(param, pref);
1052 }
1053
1054 static gboolean prefs_read_config_from_cache(PrefParam *param, const gchar *label,
1055                                const gchar *rcfile)
1056 {
1057         GHashTable *sections_table = NULL;
1058         GHashTable *values_table = NULL;
1059         sections_table = g_hash_table_lookup(whole_cache, rcfile);
1060
1061         if (sections_table == NULL) {
1062                 g_warning("can't find %s in the whole cache", rcfile?rcfile:"(null)");
1063                 return FALSE;
1064         }
1065         values_table = g_hash_table_lookup(sections_table, label);
1066
1067         if (values_table == NULL) {
1068                 debug_print("no '%s' section in '%s' cache\n", label?label:"(null)", rcfile?rcfile:"(null)");
1069                 return TRUE;
1070         }
1071         g_hash_table_foreach(values_table, prefs_parse_cache, param);
1072         return TRUE;
1073 }