src/prefs_gtk.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws 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 2 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, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #define _GNU_SOURCE
  25 #include <glib.h>
  26 #include <glib/gi18n.h>
  27 #include <gtk/gtk.h>
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <unistd.h>
  32 #include <errno.h>
  33
  34 #include "defs.h"
  35 #include "main.h"
  36 #include "prefs.h"
  37 #include "prefs_gtk.h"
  38 #include "prefs_common.h"
  39 #include "utils.h"
  40 #include "gtkutils.h"
  41 #include "passcrypt.h"
  42 #include "base64.h"
  43 #include "codeconv.h"
  44
  45 #define CL(x)   (((gulong) (x) >> (gulong) 8) & 0xFFUL)
  46 #define RGB_FROM_GDK_COLOR(c) \
  47         ((CL(c.red)   << (gulong) 16) | \
  48          (CL(c.green) << (gulong)  8) | \
  49          (CL(c.blue)))
  50
  51 typedef enum
  52 {
  53         DUMMY_PARAM
  54 } DummyEnum;
  55
  56 static GHashTable *whole_cache = NULL;
  57
  58 static gboolean prefs_read_config_from_cache(PrefParam *param, const gchar *label,
  59                                const gchar *rcfile);
  60
  61 void prefs_read_config(PrefParam *param, const gchar *label,
  62                        const gchar *rcfile, const gchar *encoding)
  63 {
  64         FILE *fp;
  65         gchar buf[PREFSBUFSIZE];
  66         gchar *block_label;
  67
  68         g_return_if_fail(param != NULL);
  69         g_return_if_fail(label != NULL);
  70         g_return_if_fail(rcfile != NULL);
  71
  72         if (encoding != NULL)
  73                 g_warning("Encoding is ignored\n");
  74
  75         debug_print("Reading configuration...\n");
  76
  77         prefs_set_default(param);
  78
  79         if (whole_cache != NULL) {
  80                 if (prefs_read_config_from_cache(param, label, rcfile) == TRUE)
  81                         return;
  82         }
  83
  84         if ((fp = g_fopen(rcfile, "rb")) == NULL) {
  85                 if (ENOENT != errno) FILE_OP_ERROR(rcfile, "fopen");
  86                 return;
  87         }
  88
  89         block_label = g_strdup_printf("[%s]", label);
  90
  91         flockfile(fp);
  92
  93         /* search aiming block */
  94         while (fgets_unlocked(buf, sizeof(buf), fp) != NULL) {
  95                 gint val;
  96
  97                 if (encoding) {
  98                         gchar *conv_str;
  99
 100                         conv_str = conv_codeset_strdup
 101                                 (buf, encoding, CS_INTERNAL);
 102                         if (!conv_str)
 103                                 conv_str = g_strdup(buf);
 104                         val = strncmp
 105                                 (conv_str, block_label, strlen(block_label));
 106                         g_free(conv_str);
 107                 } else
 108                         val = strncmp(buf, block_label, strlen(block_label));
 109                 if (val == 0) {
 110                         debug_print("Found %s\n", block_label);
 111                         break;
 112                 }
 113         }
 114         g_free(block_label);
 115
 116         while (fgets_unlocked(buf, sizeof(buf), fp) != NULL) {
 117                 strretchomp(buf);
 118                 /* reached next block */
 119                 if (buf[0] == '[') break;
 120                 if (buf[0] == '#') continue;
 121
 122                 if (encoding) {
 123                         gchar *conv_str;
 124
 125                         conv_str = conv_codeset_strdup
 126                                 (buf, encoding, CS_INTERNAL);
 127                         if (!conv_str)
 128                                 conv_str = g_strdup(buf);
 129                         prefs_config_parse_one_line(param, conv_str);
 130                         g_free(conv_str);
 131                 } else
 132                         prefs_config_parse_one_line(param, buf);
 133         }
 134
 135         debug_print("Finished reading configuration.\n");
 136         funlockfile(fp);
 137         fclose(fp);
 138 }
 139
 140 void prefs_config_parse_one_line(PrefParam *param, const gchar *buf)
 141 {
 142         gint i;
 143         gint name_len;
 144         const gchar *value;
 145         GdkColor color;
 146
 147         for (i = 0; param[i].name != NULL; i++) {
 148                 name_len = strlen(param[i].name);
 149                 if (g_ascii_strncasecmp(buf, param[i].name, name_len))
 150                         continue;
 151                 if (buf[name_len] != '=')
 152                         continue;
 153                 value = buf + name_len + 1;
 154                 /* debug_print("%s = %s\n", param[i].name, value); */
 155
 156                 switch (param[i].type) {
 157                 case P_STRING:
 158                 {
 159                         gchar *tmp = NULL;
 160
 161                         if (*value) {
 162                                 if (g_utf8_validate(value, -1, NULL))
 163                                         tmp = g_strdup(value);
 164                                 else {
 165                                         tmp = conv_codeset_strdup(value,
 166                                                     conv_get_locale_charset_str_no_utf8(),
 167                                                     CS_INTERNAL);
 168                                 }
 169                         } else {
 170                                 tmp = g_strdup("");
 171                         }
 172                         if (!tmp) {
 173                                 g_warning("failed to convert character set.");
 174                                 tmp = g_strdup(value);
 175                         }
 176                         g_free(*((gchar **)param[i].data));
 177                         *((gchar **)param[i].data) = tmp;
 178                         break;
 179                 }
 180                 case P_INT:
 181                         *((gint *)param[i].data) =
 182                                 (gint)atoi(value);
 183                         break;
 184                 case P_BOOL:
 185                         *((gboolean *)param[i].data) =
 186                                 (*value == '0' || *value == '\0')
 187                                         ? FALSE : TRUE;
 188                         break;
 189                 case P_ENUM:
 190                         *((DummyEnum *)param[i].data) =
 191                                 (DummyEnum)atoi(value);
 192                         break;
 193                 case P_USHORT:
 194                         *((gushort *)param[i].data) =
 195                                 (gushort)atoi(value);
 196                         break;
 197                 case P_COLOR:
 198                         if (gdk_color_parse(value, &color))
 199                                 *((gulong *)param[i].data) = RGB_FROM_GDK_COLOR(color);
 200                         else
 201                                 /* be compatible and accept ints */
 202                                 *((gulong *)param[i].data) = strtoul(value, 0, 10);
 203                         break;
 204                 case P_PASSWORD:
 205                         g_free(*((gchar **)param[i].data));
 206                         if (value[0] == '!') {
 207                                 gchar tmp[1024];
 208                                 gint len;
 209
 210                                 len = base64_decode(tmp, &value[1], strlen(value) - 1);
 211                                 passcrypt_decrypt(tmp, len);
 212                                 tmp[len] = '\0';
 213                                 *((gchar **)param[i].data) =
 214                                         *tmp ? g_strdup(tmp) : NULL;
 215                         } else {
 216                                 *((gchar **)param[i].data) =
 217                                         *value ? g_strdup(value) : NULL;
 218                         }
 219                         break;
 220                 default:
 221                         break;
 222                 }
 223         }
 224 }
 225
 226 #define TRY(func) \
 227 if (!(func)) \
 228 { \
 229         g_warning("failed to write configuration to file\n"); \
 230         if (orig_fp) fclose(orig_fp); \
 231         prefs_file_close_revert(pfile); \
 232         g_free(rcpath); \
 233         g_free(block_label); \
 234         return; \
 235 } \
 236
 237 void prefs_write_config(PrefParam *param, const gchar *label,
 238                         const gchar *rcfile)
 239 {
 240         FILE *orig_fp;
 241         PrefFile *pfile;
 242         gchar *rcpath;
 243         gchar buf[PREFSBUFSIZE];
 244         gchar *block_label = NULL;
 245         gboolean block_matched = FALSE;
 246
 247         g_return_if_fail(param != NULL);
 248         g_return_if_fail(label != NULL);
 249         g_return_if_fail(rcfile != NULL);
 250
 251         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, rcfile, NULL);
 252         if ((orig_fp = g_fopen(rcpath, "rb")) == NULL) {
 253                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 254         }
 255
 256         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 257                 g_warning("failed to write configuration to file\n");
 258                 if (orig_fp) fclose(orig_fp);
 259                 g_free(rcpath);
 260                 return;
 261         }
 262
 263         block_label = g_strdup_printf("[%s]", label);
 264
 265         /* search aiming block */
 266         if (orig_fp) {
 267                 while (fgets(buf, sizeof(buf), orig_fp) != NULL) {
 268                         gint val;
 269
 270                         val = strncmp(buf, block_label, strlen(block_label));
 271                         if (val == 0) {
 272                                 debug_print("Found %s\n", block_label);
 273                                 block_matched = TRUE;
 274                                 break;
 275                         } else
 276                                 TRY(fputs(buf, pfile->fp) != EOF);
 277                 }
 278         }
 279
 280         TRY(fprintf(pfile->fp, "%s\n", block_label) > 0);
 281         g_free(block_label);
 282         block_label = NULL;
 283
 284         /* write all param data to file */
 285         TRY(prefs_write_param(param, pfile->fp) == 0);
 286
 287         if (block_matched) {
 288                 while (fgets(buf, sizeof(buf), orig_fp) != NULL) {
 289                         /* next block */
 290                         if (buf[0] == '[') {
 291                                 TRY(fputc('\n', pfile->fp) != EOF &&
 292                                     fputs(buf, pfile->fp)  != EOF);
 293                                 break;
 294                         }
 295                 }
 296                 while (fgets(buf, sizeof(buf), orig_fp) != NULL)
 297                         TRY(fputs(buf, pfile->fp) != EOF);
 298         }
 299
 300         if (orig_fp) fclose(orig_fp);
 301         if (prefs_file_close(pfile) < 0)
 302                 g_warning("failed to write configuration to file\n");
 303         g_free(rcpath);
 304
 305         debug_print("Configuration is saved.\n");
 306 }
 307
 308 gint prefs_write_param(PrefParam *param, FILE *fp)
 309 {
 310         gint i;
 311         gchar buf[PREFSBUFSIZE];
 312
 313         for (i = 0; param[i].name != NULL; i++) {
 314                 switch (param[i].type) {
 315                 case P_STRING:
 316                 {
 317                         gchar *tmp = NULL;
 318
 319                         if (*((gchar **)param[i].data)) {
 320                                 if (g_utf8_validate(*((gchar **)param[i].data), -1, NULL))
 321                                         tmp = g_strdup(*((gchar **)param[i].data));
 322                                 else {
 323                                         tmp = conv_codeset_strdup(*((gchar **)param[i].data),
 324                                                 conv_get_locale_charset_str_no_utf8(),
 325                                                 CS_INTERNAL);
 326                                         if (!tmp)
 327                                                 tmp = g_strdup(*((gchar **)param[i].data));
 328                                 }
 329                         }
 330
 331                         g_snprintf(buf, sizeof(buf), "%s=%s\n", param[i].name,
 332                                    tmp ? tmp : "");
 333
 334                         g_free(tmp);
 335                         break;
 336                 }
 337                 case P_INT:
 338                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 339                                    *((gint *)param[i].data));
 340                         break;
 341                 case P_BOOL:
 342                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 343                                    *((gboolean *)param[i].data));
 344                         break;
 345                 case P_ENUM:
 346                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 347                                    *((DummyEnum *)param[i].data));
 348                         break;
 349                 case P_USHORT:
 350                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 351                                    *((gushort *)param[i].data));
 352                         break;
 353                 case P_COLOR:
 354                         g_snprintf(buf, sizeof buf,  "%s=#%6.6lx\n", param[i].name,
 355                                    *((gulong *) param[i].data));
 356                         break;
 357                 case P_PASSWORD:
 358                         {
 359                                 gchar *tmp = NULL, tmp2[1024] = {0};
 360
 361                                 tmp = *((gchar **)param[i].data);
 362                                 if (tmp) {
 363                                         gint len;
 364
 365                                         tmp = g_strdup(tmp);
 366                                         len = strlen(tmp);
 367                                         passcrypt_encrypt(tmp, len);
 368                                         base64_encode(tmp2, tmp, len);
 369                                         g_free(tmp);
 370                                         tmp = tmp2;
 371                                 }
 372                                 g_snprintf(buf, sizeof(buf), "%s=!%s\n", param[i].name,
 373                                            tmp ?
 374                                            tmp : "");
 375                         }
 376                         break;
 377                 default:
 378                         /* unrecognized, fail */
 379                         debug_print("Unrecognized parameter type\n");
 380                         return -1;
 381                 }
 382
 383                 if (buf[0] != '\0') {
 384                         if (fputs(buf, fp) == EOF) {
 385                                 perror("fputs");
 386                                 return -1;
 387                         }
 388                 }
 389         }
 390
 391         return 0;
 392 }
 393
 394 void prefs_set_default(PrefParam *param)
 395 {
 396         gint i;
 397         GdkColor color;
 398
 399         g_return_if_fail(param != NULL);
 400
 401         for (i = 0; param[i].name != NULL; i++) {
 402                 if (!param[i].data) continue;
 403
 404                 switch (param[i].type) {
 405                 case P_STRING:
 406                 case P_PASSWORD:
 407                         g_free(*((gchar **)param[i].data));
 408                         if (param[i].defval != NULL) {
 409                                 if (!strncasecmp(param[i].defval, "ENV_", 4)) {
 410                                         const gchar *envstr;
 411                                         gchar *tmp;
 412
 413                                         envstr = g_getenv(param[i].defval + 4);
 414                                         tmp = envstr && *envstr ?
 415                                                 conv_codeset_strdup(envstr,
 416                                                                     conv_get_locale_charset_str(),
 417                                                                     CS_INTERNAL)
 418                                                 : g_strdup("");
 419                                         if (!tmp) {
 420                                                 g_warning("faild to convert character set.");
 421                                                 tmp = g_strdup(envstr);
 422                                         }
 423                                         *((gchar **)param[i].data) = tmp;
 424                                 } else if (param[i].defval[0] == '~')
 425                                         *((gchar **)param[i].data) =
 426                                                 g_strconcat(get_home_dir(),
 427                                                             param[i].defval + 1,
 428                                                             NULL);
 429                                 else if (param[i].defval[0] != '\0')
 430                                         *((gchar **)param[i].data) =
 431                                                 g_strdup(param[i].defval);
 432                                 else
 433                                         *((gchar **)param[i].data) = NULL;
 434                         } else
 435                                 *((gchar **)param[i].data) = NULL;
 436                         break;
 437                 case P_INT:
 438                         if (param[i].defval != NULL)
 439                                 *((gint *)param[i].data) =
 440                                         (gint)atoi(param[i].defval);
 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) =
 450                                                 atoi(param[i].defval) ? TRUE : FALSE;
 451                         } else
 452                                 *((gboolean *)param[i].data) = FALSE;
 453                         break;
 454                 case P_ENUM:
 455                         if (param[i].defval != NULL)
 456                                 *((DummyEnum*)param[i].data) =
 457                                         (DummyEnum)atoi(param[i].defval);
 458                         else
 459                                 *((DummyEnum *)param[i].data) = 0;
 460                         break;
 461                 case P_USHORT:
 462                         if (param[i].defval != NULL)
 463                                 *((gushort *)param[i].data) =
 464                                         (gushort)atoi(param[i].defval);
 465                         else
 466                                 *((gushort *)param[i].data) = 0;
 467                         break;
 468                 case P_COLOR:
 469                         if (param[i].defval != NULL && gdk_color_parse(param[i].defval, &color))
 470                                 *((gulong *)param[i].data) =
 471                                         RGB_FROM_GDK_COLOR(color);
 472                         else if (param[i].defval)
 473                                 /* be compatible and accept ints */
 474                                 *((gulong *)param[i].data) = strtoul(param[i].defval, 0, 10);
 475                         else
 476                                 *((gulong *)param[i].data) = 0;
 477                         break;
 478                 default:
 479                         break;
 480                 }
 481         }
 482 }
 483
 484 void prefs_free(PrefParam *param)
 485 {
 486         gint i;
 487
 488         g_return_if_fail(param != NULL);
 489
 490         for (i = 0; param[i].name != NULL; i++) {
 491                 if (!param[i].data) continue;
 492
 493                 switch (param[i].type) {
 494                 case P_STRING:
 495                 case P_PASSWORD:
 496                         g_free(*((gchar **)param[i].data));
 497                         break;
 498                 default:
 499                         break;
 500                 }
 501         }
 502 }
 503
 504 void prefs_dialog_create(PrefsDialog *dialog)
 505 {
 506         GtkWidget *window;
 507         GtkWidget *vbox;
 508         GtkWidget *notebook;
 509
 510         GtkWidget *confirm_area;
 511         GtkWidget *ok_btn;
 512         GtkWidget *cancel_btn;
 513         GtkWidget *apply_btn;
 514
 515         g_return_if_fail(dialog != NULL);
 516
 517         window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 518         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 519         gtk_window_set_position (GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 520         gtk_window_set_modal (GTK_WINDOW (window), TRUE);
 521         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 522
 523         vbox = gtk_vbox_new (FALSE, 6);
 524         gtk_widget_show(vbox);
 525         gtk_container_add (GTK_CONTAINER (window), vbox);
 526
 527         notebook = gtk_notebook_new ();
 528         gtk_widget_show(notebook);
 529         gtk_box_pack_start (GTK_BOX (vbox), notebook, TRUE, TRUE, 0);
 530         gtk_container_set_border_width (GTK_CONTAINER (notebook), 2);
 531         /* GTK_WIDGET_UNSET_FLAGS (notebook, GTK_CAN_FOCUS); */
 532         gtk_notebook_set_scrollable (GTK_NOTEBOOK (notebook), TRUE);
 533
 534         gtk_notebook_popup_enable (GTK_NOTEBOOK (notebook));
 535
 536         gtkut_stock_button_set_create(&confirm_area,
 537                                       &ok_btn, GTK_STOCK_OK,
 538                                       &cancel_btn, GTK_STOCK_CANCEL,
 539                                       &apply_btn, GTK_STOCK_APPLY);
 540         gtk_widget_show(confirm_area);
 541         gtk_box_pack_end (GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 542         gtk_widget_grab_default(ok_btn);
 543
 544         dialog->window     = window;
 545         dialog->notebook   = notebook;
 546         dialog->ok_btn     = ok_btn;
 547         dialog->cancel_btn = cancel_btn;
 548         dialog->apply_btn  = apply_btn;
 549 }
 550
 551 void prefs_dialog_destroy(PrefsDialog *dialog)
 552 {
 553         gtk_widget_destroy(dialog->window);
 554         dialog->window     = NULL;
 555         dialog->notebook   = NULL;
 556         dialog->ok_btn     = NULL;
 557         dialog->cancel_btn = NULL;
 558         dialog->apply_btn  = NULL;
 559 }
 560
 561 void prefs_button_toggled(GtkToggleButton *toggle_btn, GtkWidget *widget)
 562 {
 563         gboolean is_active;
 564
 565         is_active = gtk_toggle_button_get_active(toggle_btn);
 566         gtk_widget_set_sensitive(widget, is_active);
 567 }
 568
 569 void prefs_button_toggled_reverse(GtkToggleButton *toggle_btn, GtkWidget *widget)
 570 {
 571         gboolean is_active;
 572
 573         is_active = gtk_toggle_button_get_active(toggle_btn);
 574         gtk_widget_set_sensitive(widget, !is_active);
 575 }
 576
 577 void prefs_set_dialog(PrefParam *param)
 578 {
 579         gint i;
 580
 581         for (i = 0; param[i].name != NULL; i++) {
 582                 if (param[i].widget_set_func)
 583                         param[i].widget_set_func(&param[i]);
 584         }
 585 }
 586
 587 void prefs_set_data_from_dialog(PrefParam *param)
 588 {
 589         gint i;
 590
 591         for (i = 0; param[i].name != NULL; i++) {
 592                 if (param[i].data_set_func)
 593                         param[i].data_set_func(&param[i]);
 594         }
 595 }
 596
 597 void prefs_set_dialog_to_default(PrefParam *param)
 598 {
 599         gint       i;
 600         PrefParam  tmpparam;
 601         gchar     *str_data = NULL;
 602         gint       int_data;
 603         gushort    ushort_data;
 604         gboolean   bool_data;
 605         DummyEnum  enum_data;
 606
 607         for (i = 0; param[i].name != NULL; i++) {
 608                 if (!param[i].widget_set_func) continue;
 609
 610                 tmpparam = param[i];
 611
 612                 switch (tmpparam.type) {
 613                 case P_STRING:
 614                 case P_PASSWORD:
 615                         if (tmpparam.defval) {
 616                                 if (!g_ascii_strncasecmp(tmpparam.defval, "ENV_", 4)) {
 617                                         str_data = g_strdup(g_getenv(param[i].defval + 4));
 618                                         tmpparam.data = &str_data;
 619                                         break;
 620                                 } else if (tmpparam.defval[0] == '~') {
 621                                         str_data =
 622                                                 g_strconcat(get_home_dir(),
 623                                                             param[i].defval + 1,
 624                                                             NULL);
 625                                         tmpparam.data = &str_data;
 626                                         break;
 627                                 }
 628                         }
 629                         tmpparam.data = &tmpparam.defval;
 630                         break;
 631                 case P_INT:
 632                         if (tmpparam.defval)
 633                                 int_data = atoi(tmpparam.defval);
 634                         else
 635                                 int_data = 0;
 636                         tmpparam.data = &int_data;
 637                         break;
 638                 case P_USHORT:
 639                         if (tmpparam.defval)
 640                                 ushort_data = atoi(tmpparam.defval);
 641                         else
 642                                 ushort_data = 0;
 643                         tmpparam.data = &ushort_data;
 644                         break;
 645                 case P_BOOL:
 646                         if (tmpparam.defval) {
 647                                 if (!g_ascii_strcasecmp(tmpparam.defval, "TRUE"))
 648                                         bool_data = TRUE;
 649                                 else
 650                                         bool_data = atoi(tmpparam.defval)
 651                                                 ? TRUE : FALSE;
 652                         } else
 653                                 bool_data = FALSE;
 654                         tmpparam.data = &bool_data;
 655                         break;
 656                 case P_ENUM:
 657                         if (tmpparam.defval)
 658                                 enum_data = (DummyEnum)atoi(tmpparam.defval);
 659                         else
 660                                 enum_data = 0;
 661                         tmpparam.data = &enum_data;
 662                         break;
 663                 case P_OTHER:
 664                 default:
 665                         break;
 666                 }
 667                 tmpparam.widget_set_func(&tmpparam);
 668                 g_free(str_data);
 669                 str_data = NULL;
 670         }
 671 }
 672
 673 void prefs_set_data_from_entry(PrefParam *pparam)
 674 {
 675         gchar **str;
 676         const gchar *entry_str;
 677
 678         g_return_if_fail(*pparam->widget != NULL);
 679
 680         entry_str = gtk_entry_get_text(GTK_ENTRY(*pparam->widget));
 681
 682         switch (pparam->type) {
 683         case P_STRING:
 684         case P_PASSWORD:
 685                 str = (gchar **)pparam->data;
 686                 g_free(*str);
 687                 *str = entry_str[0] ? g_strdup(entry_str) : NULL;
 688                 break;
 689         case P_USHORT:
 690                 *((gushort *)pparam->data) = atoi(entry_str);
 691                 break;
 692         case P_INT:
 693                 *((gint *)pparam->data) = atoi(entry_str);
 694                 break;
 695         default:
 696                 g_warning("Invalid PrefType for GtkEntry widget: %d\n",
 697                           pparam->type);
 698         }
 699 }
 700
 701 void prefs_set_entry(PrefParam *pparam)
 702 {
 703         gchar **str;
 704
 705         g_return_if_fail(*pparam->widget != NULL);
 706
 707         switch (pparam->type) {
 708         case P_STRING:
 709         case P_PASSWORD:
 710                 str = (gchar **)pparam->data;
 711                 gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
 712                                    *str ? *str : "");
 713                 break;
 714         case P_INT:
 715                 gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
 716                                    itos(*((gint *)pparam->data)));
 717                 break;
 718         case P_USHORT:
 719                 gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
 720                                    itos(*((gushort *)pparam->data)));
 721                 break;
 722         default:
 723                 g_warning("Invalid PrefType for GtkEntry widget: %d\n",
 724                           pparam->type);
 725         }
 726 }
 727
 728 void prefs_set_data_from_text(PrefParam *pparam)
 729 {
 730         gchar **str;
 731         gchar *text = NULL, *tp = NULL;
 732         gchar *tmp, *tmpp;
 733
 734         g_return_if_fail(*pparam->widget != NULL);
 735
 736         switch (pparam->type) {
 737         case P_STRING:
 738         case P_PASSWORD:
 739                 str = (gchar **)pparam->data;
 740                 g_free(*str);
 741                 if (GTK_IS_EDITABLE(*pparam->widget)) {   /* need? */
 742                         tp = text = gtk_editable_get_chars
 743                                         (GTK_EDITABLE(*pparam->widget), 0, -1);
 744                 } else if (GTK_IS_TEXT_VIEW(*pparam->widget)) {
 745                         GtkTextView *textview = GTK_TEXT_VIEW(*pparam->widget);
 746                         GtkTextBuffer *buffer = gtk_text_view_get_buffer(textview);
 747                         GtkTextIter start, end;
 748                         gtk_text_buffer_get_start_iter(buffer, &start);
 749                         gtk_text_buffer_get_iter_at_offset(buffer, &end, -1);
 750                         tp = text = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
 751                 }
 752
 753                 g_return_if_fail (tp && text);
 754
 755                 if (text[0] == '\0') {
 756                         *str = NULL;
 757                         g_free(text);
 758                         break;
 759                 }
 760
 761                 Xalloca(tmpp = tmp, strlen(text) * 2 + 1,
 762                         { *str = NULL; break; });
 763                 while (*tp) {
 764                         if (*tp == '\n') {
 765                                 *tmpp++ = '\\';
 766                                 *tmpp++ = 'n';
 767                                 tp++;
 768                         } else
 769                                 *tmpp++ = *tp++;
 770                 }
 771                 *tmpp = '\0';
 772                 *str = g_strdup(tmp);
 773                 g_free(text);
 774                 break;
 775         default:
 776                 g_warning("Invalid PrefType for GtkText widget: %d\n",
 777                           pparam->type);
 778         }
 779 }
 780
 781 void prefs_set_text(PrefParam *pparam)
 782 {
 783         gchar *buf, *sp, *bufp;
 784         gchar **str;
 785         GtkTextView *text;
 786         GtkTextBuffer *buffer;
 787         GtkTextIter iter;
 788
 789         g_return_if_fail(*pparam->widget != NULL);
 790
 791         switch (pparam->type) {
 792         case P_STRING:
 793         case P_PASSWORD:
 794                 str = (gchar **)pparam->data;
 795                 if (*str) {
 796                         bufp = buf = alloca(strlen(*str) + 1);
 797                         if (!buf) buf = "";
 798                         else {
 799                                 sp = *str;
 800                                 while (*sp) {
 801                                         if (*sp == '\\' && *(sp + 1) == 'n') {
 802                                                 *bufp++ = '\n';
 803                                                 sp += 2;
 804                                         } else
 805                                                 *bufp++ = *sp++;
 806                                 }
 807                                 *bufp = '\0';
 808                         }
 809                 } else
 810                         buf = "";
 811
 812                 text = GTK_TEXT_VIEW(*pparam->widget);
 813                 buffer = gtk_text_view_get_buffer(text);
 814                 gtk_text_buffer_set_text(buffer, "", -1);
 815                 gtk_text_buffer_get_start_iter(buffer, &iter);
 816                 gtk_text_buffer_insert(buffer, &iter, buf, -1);
 817                 break;
 818         default:
 819                 g_warning("Invalid PrefType for GtkTextView widget: %d\n",
 820                           pparam->type);
 821         }
 822 }
 823
 824 void prefs_set_data_from_toggle(PrefParam *pparam)
 825 {
 826         g_return_if_fail(pparam->type == P_BOOL);
 827         g_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         g_return_if_fail(pparam->type == P_BOOL);
 836         g_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         g_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\n",
 859                           pparam->type);
 860         }
 861 }
 862
 863 void prefs_set_spinbtn(PrefParam *pparam)
 864 {
 865         g_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\n",
 878                           pparam->type);
 879         }
 880 }
 881
 882 static GSList *prefs_pages = NULL;
 883
 884 void prefs_gtk_open(void)
 885 {
 886         prefswindow_open(_("Preferences"), prefs_pages, NULL,
 887                         &prefs_common.prefswin_width, &prefs_common.prefswin_height);
 888 }
 889
 890 void prefs_gtk_register_page(PrefsPage *page)
 891 {
 892         prefs_pages = g_slist_append(prefs_pages, page);
 893 }
 894
 895 void prefs_gtk_unregister_page(PrefsPage *page)
 896 {
 897         prefs_pages = g_slist_remove(prefs_pages, page);
 898 }
 899
 900 static void prefs_destroy_whole_cache(gpointer to_free)
 901 {
 902         GHashTable *table = (GHashTable *)to_free;
 903         g_hash_table_destroy(table);
 904 }
 905
 906 static void prefs_destroy_file_cache(gpointer to_free)
 907 {
 908         GHashTable *table = (GHashTable *)to_free;
 909         g_hash_table_destroy(table);
 910 }
 911
 912 static int prefs_cache_sections(GHashTable *file_cache, const gchar *rcfile)
 913 {
 914         FILE *fp = g_fopen(rcfile, "rb");
 915         gchar buf[PREFSBUFSIZE];
 916         GHashTable *section_cache = NULL;
 917
 918         if (!fp) {
 919                 debug_print("cache: %s: %s", rcfile, strerror(errno));
 920                 return -1;
 921         }
 922
 923         flockfile(fp);
 924
 925         while (fgets_unlocked(buf, sizeof(buf), fp) != NULL) {
 926                 strretchomp(buf);
 927                 if (buf[0] == '\0')
 928                         continue;
 929                 if (buf[0] == '#')
 930                         continue; /* comment */
 931                 if (buf[0] == '[') { /* new section */
 932                         gchar *blockname = g_strdup(buf+1);
 933
 934                         if (strrchr(blockname, ']'))
 935                                 *strrchr(blockname, ']') = '\0';
 936                         debug_print("new section '%s'\n", blockname);
 937                         section_cache = g_hash_table_new_full(g_str_hash, g_str_equal,
 938                                                 g_free, NULL);
 939                         g_hash_table_insert(file_cache,
 940                                 blockname, section_cache);
 941                 } else {
 942                         if (!section_cache) {
 943                                 debug_print("no table at %s\n", buf);
 944                                 fclose(fp);
 945                                 return -1;
 946                         } else {
 947                                 gchar *pref;
 948
 949                                 if (!strchr(buf, '=')) {
 950                                         /* plugins do differently */
 951                                         continue;
 952                                 }
 953                                 pref = g_strdup(buf);
 954
 955                                 debug_print("new pref '%s'\n", pref);
 956                                 g_hash_table_insert(section_cache, pref, GINT_TO_POINTER(1));
 957                         }
 958                 }
 959         }
 960         funlockfile(fp);
 961         fclose(fp);
 962         return 0;
 963 }
 964
 965 static int prefs_cache(const gchar *rcfile)
 966 {
 967         GHashTable *file_cache = g_hash_table_new_full(g_str_hash, g_str_equal,
 968                                         g_free, prefs_destroy_file_cache);
 969
 970         debug_print("new file '%s'\n", rcfile);
 971         g_hash_table_insert(whole_cache, g_strdup(rcfile), file_cache);
 972
 973         return prefs_cache_sections(file_cache, rcfile);
 974 }
 975
 976 void prefs_prepare_cache(void)
 977 {
 978         gchar *sylpheedrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, COMMON_RC, NULL);
 979         gchar *folderitemrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, FOLDERITEM_RC, NULL);
 980         gchar *accountrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, ACCOUNT_RC, NULL);
 981
 982         if (whole_cache == NULL) {
 983                 whole_cache = g_hash_table_new_full(g_str_hash, g_str_equal,
 984                                 g_free, prefs_destroy_whole_cache);
 985         } else {
 986                 debug_print("already cached\n");
 987                 g_free(sylpheedrc);
 988                 g_free(folderitemrc);
 989                 g_free(accountrc);
 990                 return;
 991         }
 992         if (prefs_cache(sylpheedrc) < 0 ||
 993             prefs_cache(folderitemrc) < 0 ||
 994             prefs_cache(accountrc) < 0)
 995                 prefs_destroy_cache();
 996
 997         g_free(sylpheedrc);
 998         g_free(folderitemrc);
 999         g_free(accountrc);
1000 }
1001
1002 void prefs_destroy_cache(void)
1003 {
1004         if (!whole_cache) {
1005                 debug_print("no cache\n");
1006                 return;
1007         }
1008         debug_print("destroying cache\n");
1009         g_hash_table_destroy(whole_cache);
1010         whole_cache = NULL;
1011         return;
1012 }
1013
1014 static void prefs_parse_cache(gpointer key, gpointer value, gpointer user_data)
1015 {
1016         gchar *pref = (gchar *)key;
1017
1018         PrefParam *param = (PrefParam *)user_data;
1019
1020         prefs_config_parse_one_line(param, pref);
1021 }
1022
1023 static gboolean prefs_read_config_from_cache(PrefParam *param, const gchar *label,
1024                                const gchar *rcfile)
1025 {
1026         GHashTable *sections_table = NULL;
1027         GHashTable *values_table = NULL;
1028         sections_table = g_hash_table_lookup(whole_cache, rcfile);
1029
1030         if (sections_table == NULL) {
1031                 g_warning("can't find %s in the whole cache", rcfile);
1032                 return FALSE;
1033         }
1034         values_table = g_hash_table_lookup(sections_table, label);
1035
1036         if (values_table == NULL) {
1037                 debug_print("no '%s' section in '%s' cache", label, rcfile);
1038                 return TRUE;
1039         }
1040         g_hash_table_foreach(values_table, prefs_parse_cache, param);
1041         return TRUE;
1042 }