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 #include <glib.h>
  25 #include <glib/gi18n.h>
  26 #include <gtk/gtk.h>
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #include <unistd.h>
  31 #include <errno.h>
  32
  33 #include "main.h"
  34 #include "prefs.h"
  35 #include "prefs_gtk.h"
  36 #include "prefs_common.h"
  37 #include "utils.h"
  38 #include "gtkutils.h"
  39 #include "passcrypt.h"
  40 #include "base64.h"
  41 #include "codeconv.h"
  42
  43 #define CL(x)   (((gulong) (x) >> (gulong) 8) & 0xFFUL)
  44 #define RGB_FROM_GDK_COLOR(c) \
  45         ((CL(c.red)   << (gulong) 16) | \
  46          (CL(c.green) << (gulong)  8) | \
  47          (CL(c.blue)))
  48
  49 typedef enum
  50 {
  51         DUMMY_PARAM
  52 } DummyEnum;
  53
  54 void prefs_read_config(PrefParam *param, const gchar *label,
  55                        const gchar *rcfile, const gchar *encoding)
  56 {
  57         FILE *fp;
  58         gchar buf[PREFSBUFSIZE];
  59         gchar *block_label;
  60
  61         g_return_if_fail(param != NULL);
  62         g_return_if_fail(label != NULL);
  63         g_return_if_fail(rcfile != NULL);
  64
  65         if (encoding != NULL)
  66                 g_warning("Encoding is ignored\n");
  67
  68         debug_print("Reading configuration...\n");
  69
  70         prefs_set_default(param);
  71
  72         if ((fp = g_fopen(rcfile, "rb")) == NULL) {
  73                 if (ENOENT != errno) FILE_OP_ERROR(rcfile, "fopen");
  74                 return;
  75         }
  76
  77         block_label = g_strdup_printf("[%s]", label);
  78
  79         /* search aiming block */
  80         while (fgets(buf, sizeof(buf), fp) != NULL) {
  81                 gint val;
  82
  83                 if (encoding) {
  84                         gchar *conv_str;
  85
  86                         conv_str = conv_codeset_strdup
  87                                 (buf, encoding, CS_INTERNAL);
  88                         if (!conv_str)
  89                                 conv_str = g_strdup(buf);
  90                         val = strncmp
  91                                 (conv_str, block_label, strlen(block_label));
  92                         g_free(conv_str);
  93                 } else
  94                         val = strncmp(buf, block_label, strlen(block_label));
  95                 if (val == 0) {
  96                         debug_print("Found %s\n", block_label);
  97                         break;
  98                 }
  99         }
 100         g_free(block_label);
 101
 102         while (fgets(buf, sizeof(buf), fp) != NULL) {
 103                 strretchomp(buf);
 104                 /* reached next block */
 105                 if (buf[0] == '[') break;
 106                 if (buf[0] == '#') continue;
 107
 108                 if (encoding) {
 109                         gchar *conv_str;
 110
 111                         conv_str = conv_codeset_strdup
 112                                 (buf, encoding, CS_INTERNAL);
 113                         if (!conv_str)
 114                                 conv_str = g_strdup(buf);
 115                         prefs_config_parse_one_line(param, conv_str);
 116                         g_free(conv_str);
 117                 } else
 118                         prefs_config_parse_one_line(param, buf);
 119         }
 120
 121         debug_print("Finished reading configuration.\n");
 122         fclose(fp);
 123 }
 124
 125 void prefs_config_parse_one_line(PrefParam *param, const gchar *buf)
 126 {
 127         gint i;
 128         gint name_len;
 129         const gchar *value;
 130         GdkColor color;
 131
 132         for (i = 0; param[i].name != NULL; i++) {
 133                 name_len = strlen(param[i].name);
 134                 if (g_ascii_strncasecmp(buf, param[i].name, name_len))
 135                         continue;
 136                 if (buf[name_len] != '=')
 137                         continue;
 138                 value = buf + name_len + 1;
 139                 /* debug_print("%s = %s\n", param[i].name, value); */
 140
 141                 switch (param[i].type) {
 142                 case P_STRING:
 143                 {
 144                         gchar *tmp = NULL;
 145
 146                         if (*value) {
 147                                 if (g_utf8_validate(value, -1, NULL))
 148                                         tmp = g_strdup(value);
 149                                 else {
 150                                         tmp = conv_codeset_strdup(value,
 151                                                     conv_get_locale_charset_str_no_utf8(),
 152                                                     CS_INTERNAL);
 153                                 }
 154                         } else {
 155                                 tmp = g_strdup("");
 156                         }
 157                         if (!tmp) {
 158                                 g_warning("failed to convert character set.");
 159                                 tmp = g_strdup(value);
 160                         }
 161                         g_free(*((gchar **)param[i].data));
 162                         *((gchar **)param[i].data) = tmp;
 163                         break;
 164                 }
 165                 case P_INT:
 166                         *((gint *)param[i].data) =
 167                                 (gint)atoi(value);
 168                         break;
 169                 case P_BOOL:
 170                         *((gboolean *)param[i].data) =
 171                                 (*value == '0' || *value == '\0')
 172                                         ? FALSE : TRUE;
 173                         break;
 174                 case P_ENUM:
 175                         *((DummyEnum *)param[i].data) =
 176                                 (DummyEnum)atoi(value);
 177                         break;
 178                 case P_USHORT:
 179                         *((gushort *)param[i].data) =
 180                                 (gushort)atoi(value);
 181                         break;
 182                 case P_COLOR:
 183                         if (gdk_color_parse(value, &color))
 184                                 *((gulong *)param[i].data) = RGB_FROM_GDK_COLOR(color);
 185                         else
 186                                 /* be compatible and accept ints */
 187                                 *((gulong *)param[i].data) = strtoul(value, 0, 10);
 188                         break;
 189                 case P_PASSWORD:
 190                         g_free(*((gchar **)param[i].data));
 191                         if (value[0] == '!') {
 192                                 gchar tmp[1024];
 193                                 gint len;
 194
 195                                 len = base64_decode(tmp, &value[1], strlen(value) - 1);
 196                                 passcrypt_decrypt(tmp, len);
 197                                 tmp[len] = '\0';
 198                                 *((gchar **)param[i].data) =
 199                                         *tmp ? g_strdup(tmp) : NULL;
 200                         } else {
 201                                 *((gchar **)param[i].data) =
 202                                         *value ? g_strdup(value) : NULL;
 203                         }
 204                         break;
 205                 default:
 206                         break;
 207                 }
 208         }
 209 }
 210
 211 #define TRY(func) \
 212 if (!(func)) \
 213 { \
 214         g_warning("failed to write configuration to file\n"); \
 215         if (orig_fp) fclose(orig_fp); \
 216         prefs_file_close_revert(pfile); \
 217         g_free(rcpath); \
 218         g_free(block_label); \
 219         return; \
 220 } \
 221
 222 void prefs_write_config(PrefParam *param, const gchar *label,
 223                         const gchar *rcfile)
 224 {
 225         FILE *orig_fp;
 226         PrefFile *pfile;
 227         gchar *rcpath;
 228         gchar buf[PREFSBUFSIZE];
 229         gchar *block_label = NULL;
 230         gboolean block_matched = FALSE;
 231
 232         g_return_if_fail(param != NULL);
 233         g_return_if_fail(label != NULL);
 234         g_return_if_fail(rcfile != NULL);
 235
 236         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, rcfile, NULL);
 237         if ((orig_fp = g_fopen(rcpath, "rb")) == NULL) {
 238                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 239         }
 240
 241         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 242                 g_warning("failed to write configuration to file\n");
 243                 if (orig_fp) fclose(orig_fp);
 244                 g_free(rcpath);
 245                 return;
 246         }
 247
 248         block_label = g_strdup_printf("[%s]", label);
 249
 250         /* search aiming block */
 251         if (orig_fp) {
 252                 while (fgets(buf, sizeof(buf), orig_fp) != NULL) {
 253                         gint val;
 254
 255                         val = strncmp(buf, block_label, strlen(block_label));
 256                         if (val == 0) {
 257                                 debug_print("Found %s\n", block_label);
 258                                 block_matched = TRUE;
 259                                 break;
 260                         } else
 261                                 TRY(fputs(buf, pfile->fp) != EOF);
 262                 }
 263         }
 264
 265         TRY(fprintf(pfile->fp, "%s\n", block_label) > 0);
 266         g_free(block_label);
 267         block_label = NULL;
 268
 269         /* write all param data to file */
 270         TRY(prefs_write_param(param, pfile->fp) == 0);
 271
 272         if (block_matched) {
 273                 while (fgets(buf, sizeof(buf), orig_fp) != NULL) {
 274                         /* next block */
 275                         if (buf[0] == '[') {
 276                                 TRY(fputc('\n', pfile->fp) != EOF &&
 277                                     fputs(buf, pfile->fp)  != EOF);
 278                                 break;
 279                         }
 280                 }
 281                 while (fgets(buf, sizeof(buf), orig_fp) != NULL)
 282                         TRY(fputs(buf, pfile->fp) != EOF);
 283         }
 284
 285         if (orig_fp) fclose(orig_fp);
 286         if (prefs_file_close(pfile) < 0)
 287                 g_warning("failed to write configuration to file\n");
 288         g_free(rcpath);
 289
 290         debug_print("Configuration is saved.\n");
 291 }
 292
 293 gint prefs_write_param(PrefParam *param, FILE *fp)
 294 {
 295         gint i;
 296         gchar buf[PREFSBUFSIZE];
 297
 298         for (i = 0; param[i].name != NULL; i++) {
 299                 switch (param[i].type) {
 300                 case P_STRING:
 301                 {
 302                         gchar *tmp = NULL;
 303
 304                         if (*((gchar **)param[i].data)) {
 305                                 if (g_utf8_validate(*((gchar **)param[i].data), -1, NULL))
 306                                         tmp = g_strdup(*((gchar **)param[i].data));
 307                                 else {
 308                                         tmp = conv_codeset_strdup(*((gchar **)param[i].data),
 309                                                 conv_get_locale_charset_str_no_utf8(),
 310                                                 CS_INTERNAL);
 311                                         if (!tmp)
 312                                                 tmp = g_strdup(*((gchar **)param[i].data));
 313                                 }
 314                         }
 315
 316                         g_snprintf(buf, sizeof(buf), "%s=%s\n", param[i].name,
 317                                    tmp ? tmp : "");
 318
 319                         g_free(tmp);
 320                         break;
 321                 }
 322                 case P_INT:
 323                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 324                                    *((gint *)param[i].data));
 325                         break;
 326                 case P_BOOL:
 327                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 328                                    *((gboolean *)param[i].data));
 329                         break;
 330                 case P_ENUM:
 331                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 332                                    *((DummyEnum *)param[i].data));
 333                         break;
 334                 case P_USHORT:
 335                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 336                                    *((gushort *)param[i].data));
 337                         break;
 338                 case P_COLOR:
 339                         g_snprintf(buf, sizeof buf,  "%s=#%6.6lx\n", param[i].name,
 340                                    *((gulong *) param[i].data));
 341                         break;
 342                 case P_PASSWORD:
 343                         {
 344                                 gchar *tmp = NULL, tmp2[1024] = {0};
 345
 346                                 tmp = *((gchar **)param[i].data);
 347                                 if (tmp) {
 348                                         gint len;
 349
 350                                         tmp = g_strdup(tmp);
 351                                         len = strlen(tmp);
 352                                         passcrypt_encrypt(tmp, len);
 353                                         base64_encode(tmp2, tmp, len);
 354                                         g_free(tmp);
 355                                         tmp = tmp2;
 356                                 }
 357                                 g_snprintf(buf, sizeof(buf), "%s=!%s\n", param[i].name,
 358                                            tmp ?
 359                                            tmp : "");
 360                         }
 361                         break;
 362                 default:
 363                         /* unrecognized, fail */
 364                         debug_print("Unrecognized parameter type\n");
 365                         return -1;
 366                 }
 367
 368                 if (buf[0] != '\0') {
 369                         if (fputs(buf, fp) == EOF) {
 370                                 perror("fputs");
 371                                 return -1;
 372                         }
 373                 }
 374         }
 375
 376         return 0;
 377 }
 378
 379 void prefs_set_default(PrefParam *param)
 380 {
 381         gint i;
 382         GdkColor color;
 383
 384         g_return_if_fail(param != NULL);
 385
 386         for (i = 0; param[i].name != NULL; i++) {
 387                 if (!param[i].data) continue;
 388
 389                 switch (param[i].type) {
 390                 case P_STRING:
 391                 case P_PASSWORD:
 392                         g_free(*((gchar **)param[i].data));
 393                         if (param[i].defval != NULL) {
 394                                 if (!strncasecmp(param[i].defval, "ENV_", 4)) {
 395                                         const gchar *envstr;
 396                                         gchar *tmp;
 397
 398                                         envstr = g_getenv(param[i].defval + 4);
 399                                         tmp = envstr && *envstr ?
 400                                                 conv_codeset_strdup(envstr,
 401                                                                     conv_get_locale_charset_str(),
 402                                                                     CS_INTERNAL)
 403                                                 : g_strdup("");
 404                                         if (!tmp) {
 405                                                 g_warning("faild to convert character set.");
 406                                                 tmp = g_strdup(envstr);
 407                                         }
 408                                         *((gchar **)param[i].data) = tmp;
 409                                 } else if (param[i].defval[0] == '~')
 410                                         *((gchar **)param[i].data) =
 411                                                 g_strconcat(get_home_dir(),
 412                                                             param[i].defval + 1,
 413                                                             NULL);
 414                                 else if (param[i].defval[0] != '\0')
 415                                         *((gchar **)param[i].data) =
 416                                                 g_strdup(param[i].defval);
 417                                 else
 418                                         *((gchar **)param[i].data) = NULL;
 419                         } else
 420                                 *((gchar **)param[i].data) = NULL;
 421                         break;
 422                 case P_INT:
 423                         if (param[i].defval != NULL)
 424                                 *((gint *)param[i].data) =
 425                                         (gint)atoi(param[i].defval);
 426                         else
 427                                 *((gint *)param[i].data) = 0;
 428                         break;
 429                 case P_BOOL:
 430                         if (param[i].defval != NULL) {
 431                                 if (!g_ascii_strcasecmp(param[i].defval, "TRUE"))
 432                                         *((gboolean *)param[i].data) = TRUE;
 433                                 else
 434                                         *((gboolean *)param[i].data) =
 435                                                 atoi(param[i].defval) ? TRUE : FALSE;
 436                         } else
 437                                 *((gboolean *)param[i].data) = FALSE;
 438                         break;
 439                 case P_ENUM:
 440                         if (param[i].defval != NULL)
 441                                 *((DummyEnum*)param[i].data) =
 442                                         (DummyEnum)atoi(param[i].defval);
 443                         else
 444                                 *((DummyEnum *)param[i].data) = 0;
 445                         break;
 446                 case P_USHORT:
 447                         if (param[i].defval != NULL)
 448                                 *((gushort *)param[i].data) =
 449                                         (gushort)atoi(param[i].defval);
 450                         else
 451                                 *((gushort *)param[i].data) = 0;
 452                         break;
 453                 case P_COLOR:
 454                         if (param[i].defval != NULL && gdk_color_parse(param[i].defval, &color))
 455                                 *((gulong *)param[i].data) =
 456                                         RGB_FROM_GDK_COLOR(color);
 457                         else if (param[i].defval)
 458                                 /* be compatible and accept ints */
 459                                 *((gulong *)param[i].data) = strtoul(param[i].defval, 0, 10);
 460                         else
 461                                 *((gulong *)param[i].data) = 0;
 462                         break;
 463                 default:
 464                         break;
 465                 }
 466         }
 467 }
 468
 469 void prefs_free(PrefParam *param)
 470 {
 471         gint i;
 472
 473         g_return_if_fail(param != NULL);
 474
 475         for (i = 0; param[i].name != NULL; i++) {
 476                 if (!param[i].data) continue;
 477
 478                 switch (param[i].type) {
 479                 case P_STRING:
 480                 case P_PASSWORD:
 481                         g_free(*((gchar **)param[i].data));
 482                         break;
 483                 default:
 484                         break;
 485                 }
 486         }
 487 }
 488
 489 void prefs_dialog_create(PrefsDialog *dialog)
 490 {
 491         GtkWidget *window;
 492         GtkWidget *vbox;
 493         GtkWidget *notebook;
 494
 495         GtkWidget *confirm_area;
 496         GtkWidget *ok_btn;
 497         GtkWidget *cancel_btn;
 498         GtkWidget *apply_btn;
 499
 500         g_return_if_fail(dialog != NULL);
 501
 502         window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 503         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 504         gtk_window_set_position (GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 505         gtk_window_set_modal (GTK_WINDOW (window), TRUE);
 506         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 507
 508         vbox = gtk_vbox_new (FALSE, 6);
 509         gtk_widget_show(vbox);
 510         gtk_container_add (GTK_CONTAINER (window), vbox);
 511
 512         notebook = gtk_notebook_new ();
 513         gtk_widget_show(notebook);
 514         gtk_box_pack_start (GTK_BOX (vbox), notebook, TRUE, TRUE, 0);
 515         gtk_container_set_border_width (GTK_CONTAINER (notebook), 2);
 516         /* GTK_WIDGET_UNSET_FLAGS (notebook, GTK_CAN_FOCUS); */
 517         gtk_notebook_set_scrollable (GTK_NOTEBOOK (notebook), TRUE);
 518
 519         gtk_notebook_popup_enable (GTK_NOTEBOOK (notebook));
 520
 521         gtkut_stock_button_set_create(&confirm_area,
 522                                       &ok_btn, GTK_STOCK_OK,
 523                                       &cancel_btn, GTK_STOCK_CANCEL,
 524                                       &apply_btn, GTK_STOCK_APPLY);
 525         gtk_widget_show(confirm_area);
 526         gtk_box_pack_end (GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 527         gtk_widget_grab_default(ok_btn);
 528
 529         dialog->window     = window;
 530         dialog->notebook   = notebook;
 531         dialog->ok_btn     = ok_btn;
 532         dialog->cancel_btn = cancel_btn;
 533         dialog->apply_btn  = apply_btn;
 534 }
 535
 536 void prefs_dialog_destroy(PrefsDialog *dialog)
 537 {
 538         gtk_widget_destroy(dialog->window);
 539         dialog->window     = NULL;
 540         dialog->notebook   = NULL;
 541         dialog->ok_btn     = NULL;
 542         dialog->cancel_btn = NULL;
 543         dialog->apply_btn  = NULL;
 544 }
 545
 546 void prefs_button_toggled(GtkToggleButton *toggle_btn, GtkWidget *widget)
 547 {
 548         gboolean is_active;
 549
 550         is_active = gtk_toggle_button_get_active(toggle_btn);
 551         gtk_widget_set_sensitive(widget, is_active);
 552 }
 553
 554 void prefs_button_toggled_reverse(GtkToggleButton *toggle_btn, GtkWidget *widget)
 555 {
 556         gboolean is_active;
 557
 558         is_active = gtk_toggle_button_get_active(toggle_btn);
 559         gtk_widget_set_sensitive(widget, !is_active);
 560 }
 561
 562 void prefs_set_dialog(PrefParam *param)
 563 {
 564         gint i;
 565
 566         for (i = 0; param[i].name != NULL; i++) {
 567                 if (param[i].widget_set_func)
 568                         param[i].widget_set_func(&param[i]);
 569         }
 570 }
 571
 572 void prefs_set_data_from_dialog(PrefParam *param)
 573 {
 574         gint i;
 575
 576         for (i = 0; param[i].name != NULL; i++) {
 577                 if (param[i].data_set_func)
 578                         param[i].data_set_func(&param[i]);
 579         }
 580 }
 581
 582 void prefs_set_dialog_to_default(PrefParam *param)
 583 {
 584         gint       i;
 585         PrefParam  tmpparam;
 586         gchar     *str_data = NULL;
 587         gint       int_data;
 588         gushort    ushort_data;
 589         gboolean   bool_data;
 590         DummyEnum  enum_data;
 591
 592         for (i = 0; param[i].name != NULL; i++) {
 593                 if (!param[i].widget_set_func) continue;
 594
 595                 tmpparam = param[i];
 596
 597                 switch (tmpparam.type) {
 598                 case P_STRING:
 599                 case P_PASSWORD:
 600                         if (tmpparam.defval) {
 601                                 if (!g_ascii_strncasecmp(tmpparam.defval, "ENV_", 4)) {
 602                                         str_data = g_strdup(g_getenv(param[i].defval + 4));
 603                                         tmpparam.data = &str_data;
 604                                         break;
 605                                 } else if (tmpparam.defval[0] == '~') {
 606                                         str_data =
 607                                                 g_strconcat(get_home_dir(),
 608                                                             param[i].defval + 1,
 609                                                             NULL);
 610                                         tmpparam.data = &str_data;
 611                                         break;
 612                                 }
 613                         }
 614                         tmpparam.data = &tmpparam.defval;
 615                         break;
 616                 case P_INT:
 617                         if (tmpparam.defval)
 618                                 int_data = atoi(tmpparam.defval);
 619                         else
 620                                 int_data = 0;
 621                         tmpparam.data = &int_data;
 622                         break;
 623                 case P_USHORT:
 624                         if (tmpparam.defval)
 625                                 ushort_data = atoi(tmpparam.defval);
 626                         else
 627                                 ushort_data = 0;
 628                         tmpparam.data = &ushort_data;
 629                         break;
 630                 case P_BOOL:
 631                         if (tmpparam.defval) {
 632                                 if (!g_ascii_strcasecmp(tmpparam.defval, "TRUE"))
 633                                         bool_data = TRUE;
 634                                 else
 635                                         bool_data = atoi(tmpparam.defval)
 636                                                 ? TRUE : FALSE;
 637                         } else
 638                                 bool_data = FALSE;
 639                         tmpparam.data = &bool_data;
 640                         break;
 641                 case P_ENUM:
 642                         if (tmpparam.defval)
 643                                 enum_data = (DummyEnum)atoi(tmpparam.defval);
 644                         else
 645                                 enum_data = 0;
 646                         tmpparam.data = &enum_data;
 647                         break;
 648                 case P_OTHER:
 649                 default:
 650                         break;
 651                 }
 652                 tmpparam.widget_set_func(&tmpparam);
 653                 g_free(str_data);
 654                 str_data = NULL;
 655         }
 656 }
 657
 658 void prefs_set_data_from_entry(PrefParam *pparam)
 659 {
 660         gchar **str;
 661         const gchar *entry_str;
 662
 663         g_return_if_fail(*pparam->widget != NULL);
 664
 665         entry_str = gtk_entry_get_text(GTK_ENTRY(*pparam->widget));
 666
 667         switch (pparam->type) {
 668         case P_STRING:
 669         case P_PASSWORD:
 670                 str = (gchar **)pparam->data;
 671                 g_free(*str);
 672                 *str = entry_str[0] ? g_strdup(entry_str) : NULL;
 673                 break;
 674         case P_USHORT:
 675                 *((gushort *)pparam->data) = atoi(entry_str);
 676                 break;
 677         case P_INT:
 678                 *((gint *)pparam->data) = atoi(entry_str);
 679                 break;
 680         default:
 681                 g_warning("Invalid PrefType for GtkEntry widget: %d\n",
 682                           pparam->type);
 683         }
 684 }
 685
 686 void prefs_set_entry(PrefParam *pparam)
 687 {
 688         gchar **str;
 689
 690         g_return_if_fail(*pparam->widget != NULL);
 691
 692         switch (pparam->type) {
 693         case P_STRING:
 694         case P_PASSWORD:
 695                 str = (gchar **)pparam->data;
 696                 gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
 697                                    *str ? *str : "");
 698                 break;
 699         case P_INT:
 700                 gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
 701                                    itos(*((gint *)pparam->data)));
 702                 break;
 703         case P_USHORT:
 704                 gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
 705                                    itos(*((gushort *)pparam->data)));
 706                 break;
 707         default:
 708                 g_warning("Invalid PrefType for GtkEntry widget: %d\n",
 709                           pparam->type);
 710         }
 711 }
 712
 713 void prefs_set_data_from_text(PrefParam *pparam)
 714 {
 715         gchar **str;
 716         gchar *text = NULL, *tp = NULL;
 717         gchar *tmp, *tmpp;
 718
 719         g_return_if_fail(*pparam->widget != NULL);
 720
 721         switch (pparam->type) {
 722         case P_STRING:
 723         case P_PASSWORD:
 724                 str = (gchar **)pparam->data;
 725                 g_free(*str);
 726                 if (GTK_IS_EDITABLE(*pparam->widget)) {   /* need? */
 727                         tp = text = gtk_editable_get_chars
 728                                         (GTK_EDITABLE(*pparam->widget), 0, -1);
 729                 } else if (GTK_IS_TEXT_VIEW(*pparam->widget)) {
 730                         GtkTextView *textview = GTK_TEXT_VIEW(*pparam->widget);
 731                         GtkTextBuffer *buffer = gtk_text_view_get_buffer(textview);
 732                         GtkTextIter start, end;
 733                         gtk_text_buffer_get_start_iter(buffer, &start);
 734                         gtk_text_buffer_get_iter_at_offset(buffer, &end, -1);
 735                         tp = text = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
 736                 }
 737
 738                 g_return_if_fail (tp && text);
 739
 740                 if (text[0] == '\0') {
 741                         *str = NULL;
 742                         g_free(text);
 743                         break;
 744                 }
 745
 746                 Xalloca(tmpp = tmp, strlen(text) * 2 + 1,
 747                         { *str = NULL; break; });
 748                 while (*tp) {
 749                         if (*tp == '\n') {
 750                                 *tmpp++ = '\\';
 751                                 *tmpp++ = 'n';
 752                                 tp++;
 753                         } else
 754                                 *tmpp++ = *tp++;
 755                 }
 756                 *tmpp = '\0';
 757                 *str = g_strdup(tmp);
 758                 g_free(text);
 759                 break;
 760         default:
 761                 g_warning("Invalid PrefType for GtkText widget: %d\n",
 762                           pparam->type);
 763         }
 764 }
 765
 766 void prefs_set_text(PrefParam *pparam)
 767 {
 768         gchar *buf, *sp, *bufp;
 769         gchar **str;
 770         GtkTextView *text;
 771         GtkTextBuffer *buffer;
 772         GtkTextIter iter;
 773
 774         g_return_if_fail(*pparam->widget != NULL);
 775
 776         switch (pparam->type) {
 777         case P_STRING:
 778         case P_PASSWORD:
 779                 str = (gchar **)pparam->data;
 780                 if (*str) {
 781                         bufp = buf = alloca(strlen(*str) + 1);
 782                         if (!buf) buf = "";
 783                         else {
 784                                 sp = *str;
 785                                 while (*sp) {
 786                                         if (*sp == '\\' && *(sp + 1) == 'n') {
 787                                                 *bufp++ = '\n';
 788                                                 sp += 2;
 789                                         } else
 790                                                 *bufp++ = *sp++;
 791                                 }
 792                                 *bufp = '\0';
 793                         }
 794                 } else
 795                         buf = "";
 796
 797                 text = GTK_TEXT_VIEW(*pparam->widget);
 798                 buffer = gtk_text_view_get_buffer(text);
 799                 gtk_text_buffer_set_text(buffer, "", -1);
 800                 gtk_text_buffer_get_start_iter(buffer, &iter);
 801                 gtk_text_buffer_insert(buffer, &iter, buf, -1);
 802                 break;
 803         default:
 804                 g_warning("Invalid PrefType for GtkTextView widget: %d\n",
 805                           pparam->type);
 806         }
 807 }
 808
 809 void prefs_set_data_from_toggle(PrefParam *pparam)
 810 {
 811         g_return_if_fail(pparam->type == P_BOOL);
 812         g_return_if_fail(*pparam->widget != NULL);
 813
 814         *((gboolean *)pparam->data) =
 815                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(*pparam->widget));
 816 }
 817
 818 void prefs_set_toggle(PrefParam *pparam)
 819 {
 820         g_return_if_fail(pparam->type == P_BOOL);
 821         g_return_if_fail(*pparam->widget != NULL);
 822
 823         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(*pparam->widget),
 824                                      *((gboolean *)pparam->data));
 825 }
 826
 827 void prefs_set_data_from_spinbtn(PrefParam *pparam)
 828 {
 829         g_return_if_fail(*pparam->widget != NULL);
 830
 831         switch (pparam->type) {
 832         case P_INT:
 833                 *((gint *)pparam->data) =
 834                         gtk_spin_button_get_value_as_int
 835                         (GTK_SPIN_BUTTON(*pparam->widget));
 836                 break;
 837         case P_USHORT:
 838                 *((gushort *)pparam->data) =
 839                         (gushort)gtk_spin_button_get_value_as_int
 840                         (GTK_SPIN_BUTTON(*pparam->widget));
 841                 break;
 842         default:
 843                 g_warning("Invalid PrefType for GtkSpinButton widget: %d\n",
 844                           pparam->type);
 845         }
 846 }
 847
 848 void prefs_set_spinbtn(PrefParam *pparam)
 849 {
 850         g_return_if_fail(*pparam->widget != NULL);
 851
 852         switch (pparam->type) {
 853         case P_INT:
 854                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(*pparam->widget),
 855                                           (gfloat)*((gint *)pparam->data));
 856                 break;
 857         case P_USHORT:
 858                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(*pparam->widget),
 859                                           (gfloat)*((gushort *)pparam->data));
 860                 break;
 861         default:
 862                 g_warning("Invalid PrefType for GtkSpinButton widget: %d\n",
 863                           pparam->type);
 864         }
 865 }
 866
 867 static GSList *prefs_pages = NULL;
 868
 869 void prefs_gtk_open(void)
 870 {
 871         prefswindow_open(_("Preferences"), prefs_pages, NULL,
 872                         &prefs_common.prefswin_width, &prefs_common.prefswin_height);
 873 }
 874
 875 void prefs_gtk_register_page(PrefsPage *page)
 876 {
 877         prefs_pages = g_slist_append(prefs_pages, page);
 878 }
 879
 880 void prefs_gtk_unregister_page(PrefsPage *page)
 881 {
 882         prefs_pages = g_slist_remove(prefs_pages, page);
 883 }