src/prefs_gtk.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2002 Hiroyuki Yamamoto
   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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include <gtk/gtk.h>
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <unistd.h>
  29 #include <errno.h>
  30
  31 #include "intl.h"
  32 #include "main.h"
  33 #include "prefs.h"
  34 #include "prefs_gtk.h"
  35 #include "utils.h"
  36 #include "gtkutils.h"
  37 #include "passcrypt.h"
  38 #include "base64.h"
  39 #include "codeconv.h"
  40
  41 #define CL(x)   (((gulong) (x) >> (gulong) 8) & 0xFFUL)
  42 #define RGB_FROM_GDK_COLOR(c) \
  43         ((CL(c.red)   << (gulong) 16) | \
  44          (CL(c.green) << (gulong)  8) | \
  45          (CL(c.blue)))
  46
  47 typedef enum
  48 {
  49         DUMMY_PARAM
  50 } DummyEnum;
  51
  52 void prefs_read_config(PrefParam *param, const gchar *label,
  53                        const gchar *rcfile)
  54 {
  55         FILE *fp;
  56         gchar buf[PREFSBUFSIZE];
  57         gchar *rcpath;
  58         gchar *block_label;
  59
  60         g_return_if_fail(param != NULL);
  61         g_return_if_fail(label != NULL);
  62         g_return_if_fail(rcfile != NULL);
  63
  64         debug_print("Reading configuration...\n");
  65
  66         prefs_set_default(param);
  67
  68         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, rcfile, NULL);
  69         if ((fp = fopen(rcpath, "rb")) == NULL) {
  70                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
  71                 g_free(rcpath);
  72                 return;
  73         }
  74         g_free(rcpath);
  75
  76         block_label = g_strdup_printf("[%s]", label);
  77
  78         /* search aiming block */
  79         while (fgets(buf, sizeof(buf), fp) != NULL) {
  80                 gint val;
  81
  82                 val = strncmp(buf, block_label, strlen(block_label));
  83                 if (val == 0) {
  84                         debug_print("Found %s\n", block_label);
  85                         break;
  86                 }
  87         }
  88         g_free(block_label);
  89
  90         while (fgets(buf, sizeof(buf), fp) != NULL) {
  91                 strretchomp(buf);
  92                 /* reached next block */
  93                 if (buf[0] == '[') break;
  94
  95                 prefs_config_parse_one_line(param, buf);
  96         }
  97
  98         debug_print("Finished reading configuration.\n");
  99         fclose(fp);
 100 }
 101
 102 void prefs_config_parse_one_line(PrefParam *param, const gchar *buf)
 103 {
 104         gint i;
 105         gint name_len;
 106         const gchar *value;
 107         GdkColor color;
 108
 109         for (i = 0; param[i].name != NULL; i++) {
 110                 name_len = strlen(param[i].name);
 111                 if (g_ascii_strncasecmp(buf, param[i].name, name_len))
 112                         continue;
 113                 if (buf[name_len] != '=')
 114                         continue;
 115                 value = buf + name_len + 1;
 116                 /* debug_print("%s = %s\n", param[i].name, value); */
 117
 118                 switch (param[i].type) {
 119                 case P_STRING:
 120                 {
 121                         gchar *tmp;
 122
 123                         tmp = *value ?
 124                                 conv_codeset_strdup(value,
 125                                                     conv_get_current_charset_str(),
 126                                                     CS_UTF_8)
 127                                 : g_strdup("");
 128                         if (!tmp) {
 129                                 g_warning("failed to convert character set.");
 130                                 tmp = g_strdup(value);
 131                         }
 132                         g_free(*((gchar **)param[i].data));
 133                         *((gchar **)param[i].data) = tmp;
 134                         break;
 135                 }
 136                 case P_INT:
 137                         *((gint *)param[i].data) =
 138                                 (gint)atoi(value);
 139                         break;
 140                 case P_BOOL:
 141                         *((gboolean *)param[i].data) =
 142                                 (*value == '0' || *value == '\0')
 143                                         ? FALSE : TRUE;
 144                         break;
 145                 case P_ENUM:
 146                         *((DummyEnum *)param[i].data) =
 147                                 (DummyEnum)atoi(value);
 148                         break;
 149                 case P_USHORT:
 150                         *((gushort *)param[i].data) =
 151                                 (gushort)atoi(value);
 152                         break;
 153                 case P_COLOR:
 154                         if (gdk_color_parse(value, &color))
 155                                 *((gulong *)param[i].data) = RGB_FROM_GDK_COLOR(color);
 156                         else
 157                                 /* be compatible and accept ints */
 158                                 *((gulong *)param[i].data) = strtoul(value, 0, 10);
 159                         break;
 160                 case P_PASSWORD:
 161                         g_free(*((gchar **)param[i].data));
 162                         if (value[0] == '!') {
 163                                 gchar tmp[1024];
 164                                 gint len;
 165
 166                                 len = base64_decode(tmp, &value[1], strlen(value) - 1);
 167                                 passcrypt_decrypt(tmp, len);
 168                                 tmp[len] = '\0';
 169                                 *((gchar **)param[i].data) =
 170                                         *tmp ? g_strdup(tmp) : NULL;
 171                         } else {
 172                                 *((gchar **)param[i].data) =
 173                                         *value ? g_strdup(value) : NULL;
 174                         }
 175                         break;
 176                 default:
 177                         break;
 178                 }
 179         }
 180 }
 181
 182 #define TRY(func) \
 183 if (!(func)) \
 184 { \
 185         g_warning("failed to write configuration to file\n"); \
 186         if (orig_fp) fclose(orig_fp); \
 187         prefs_file_close_revert(pfile); \
 188         g_free(rcpath); \
 189         g_free(block_label); \
 190         return; \
 191 } \
 192
 193 void prefs_write_config(PrefParam *param, const gchar *label,
 194                         const gchar *rcfile)
 195 {
 196         FILE *orig_fp;
 197         PrefFile *pfile;
 198         gchar *rcpath;
 199         gchar buf[PREFSBUFSIZE];
 200         gchar *block_label = NULL;
 201         gboolean block_matched = FALSE;
 202
 203         g_return_if_fail(param != NULL);
 204         g_return_if_fail(label != NULL);
 205         g_return_if_fail(rcfile != NULL);
 206
 207         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, rcfile, NULL);
 208         if ((orig_fp = fopen(rcpath, "rb")) == NULL) {
 209                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 210         }
 211
 212         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 213                 g_warning("failed to write configuration to file\n");
 214                 if (orig_fp) fclose(orig_fp);
 215                 g_free(rcpath);
 216                 return;
 217         }
 218
 219         block_label = g_strdup_printf("[%s]", label);
 220
 221         /* search aiming block */
 222         if (orig_fp) {
 223                 while (fgets(buf, sizeof(buf), orig_fp) != NULL) {
 224                         gint val;
 225
 226                         val = strncmp(buf, block_label, strlen(block_label));
 227                         if (val == 0) {
 228                                 debug_print("Found %s\n", block_label);
 229                                 block_matched = TRUE;
 230                                 break;
 231                         } else
 232                                 TRY(fputs(buf, pfile->fp) != EOF);
 233                 }
 234         }
 235
 236         TRY(fprintf(pfile->fp, "%s\n", block_label) > 0);
 237         g_free(block_label);
 238         block_label = NULL;
 239
 240         /* write all param data to file */
 241         TRY(prefs_write_param(param, pfile->fp) == 0);
 242
 243         if (block_matched) {
 244                 while (fgets(buf, sizeof(buf), orig_fp) != NULL) {
 245                         /* next block */
 246                         if (buf[0] == '[') {
 247                                 TRY(fputc('\n', pfile->fp) != EOF &&
 248                                     fputs(buf, pfile->fp)  != EOF);
 249                                 break;
 250                         }
 251                 }
 252                 while (fgets(buf, sizeof(buf), orig_fp) != NULL)
 253                         TRY(fputs(buf, pfile->fp) != EOF);
 254         }
 255
 256         if (orig_fp) fclose(orig_fp);
 257         if (prefs_file_close(pfile) < 0)
 258                 g_warning("failed to write configuration to file\n");
 259         g_free(rcpath);
 260
 261         debug_print("Configuration is saved.\n");
 262 }
 263
 264 gint prefs_write_param(PrefParam *param, FILE *fp)
 265 {
 266         gint i;
 267         gchar buf[PREFSBUFSIZE];
 268
 269         for (i = 0; param[i].name != NULL; i++) {
 270                 switch (param[i].type) {
 271                 case P_STRING:
 272                 {
 273                         gchar *tmp = NULL;
 274
 275                         if (*((gchar **)param[i].data)) {
 276                                 tmp = conv_codeset_strdup(*((gchar **)param[i].data),
 277                                                           CS_UTF_8,
 278                                                           conv_get_current_charset_str());
 279                                 if (!tmp)
 280                                         tmp = g_strdup(*((gchar **)param[i].data));
 281                         }
 282
 283                         g_snprintf(buf, sizeof(buf), "%s=%s\n", param[i].name,
 284                                    tmp ? tmp : "");
 285
 286                         g_free(tmp);
 287                         break;
 288                 }
 289                 case P_INT:
 290                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 291                                    *((gint *)param[i].data));
 292                         break;
 293                 case P_BOOL:
 294                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 295                                    *((gboolean *)param[i].data));
 296                         break;
 297                 case P_ENUM:
 298                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 299                                    *((DummyEnum *)param[i].data));
 300                         break;
 301                 case P_USHORT:
 302                         g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
 303                                    *((gushort *)param[i].data));
 304                         break;
 305                 case P_COLOR:
 306                         g_snprintf(buf, sizeof buf,  "%s=#%6.6lx\n", param[i].name,
 307                                    *((gulong *) param[i].data));
 308                         break;
 309                 case P_PASSWORD:
 310                         {
 311                                 gchar *tmp = NULL, tmp2[1024] = {0};
 312
 313                                 tmp = *((gchar **)param[i].data);
 314                                 if (tmp) {
 315                                         gint len;
 316
 317                                         tmp = g_strdup(tmp);
 318                                         len = strlen(tmp);
 319                                         passcrypt_encrypt(tmp, len);
 320                                         base64_encode(tmp2, tmp, len);
 321                                         g_free(tmp);
 322                                         tmp = tmp2;
 323                                 }
 324                                 g_snprintf(buf, sizeof(buf), "%s=!%s\n", param[i].name,
 325                                            tmp ?
 326                                            tmp : "");
 327                         }
 328                         break;
 329                 default:
 330                         /* unrecognized, fail */
 331                         debug_print("Unrecognized parameter type\n");
 332                         return -1;
 333                 }
 334
 335                 if (buf[0] != '\0') {
 336                         if (fputs(buf, fp) == EOF) {
 337                                 perror("fputs");
 338                                 return -1;
 339                         }
 340                 }
 341         }
 342
 343         return 0;
 344 }
 345
 346 void prefs_set_default(PrefParam *param)
 347 {
 348         gint i;
 349         GdkColor color;
 350
 351         g_return_if_fail(param != NULL);
 352
 353         for (i = 0; param[i].name != NULL; i++) {
 354                 if (!param[i].data) continue;
 355
 356                 switch (param[i].type) {
 357                 case P_STRING:
 358                 case P_PASSWORD:
 359                         g_free(*((gchar **)param[i].data));
 360                         if (param[i].defval != NULL) {
 361                                 if (!strncasecmp(param[i].defval, "ENV_", 4)) {
 362                                         const gchar *envstr;
 363                                         gchar *tmp;
 364
 365                                         envstr = g_getenv(param[i].defval + 4);
 366                                         tmp = envstr && *envstr ?
 367                                                 conv_codeset_strdup(envstr,
 368                                                                     conv_get_current_charset_str(),
 369                                                                     CS_UTF_8)
 370                                                 : g_strdup("");
 371                                         if (!tmp) {
 372                                                 g_warning("faild to convert character set.");
 373                                                 tmp = g_strdup(envstr);
 374                                         }
 375                                         *((gchar **)param[i].data) = tmp;
 376                                 } else if (param[i].defval[0] == '~')
 377                                         *((gchar **)param[i].data) =
 378                                                 g_strconcat(get_home_dir(),
 379                                                             param[i].defval + 1,
 380                                                             NULL);
 381                                 else if (param[i].defval[0] != '\0')
 382                                         *((gchar **)param[i].data) =
 383                                                 g_strdup(param[i].defval);
 384                                 else
 385                                         *((gchar **)param[i].data) = NULL;
 386                         } else
 387                                 *((gchar **)param[i].data) = NULL;
 388                         break;
 389                 case P_INT:
 390                         if (param[i].defval != NULL)
 391                                 *((gint *)param[i].data) =
 392                                         (gint)atoi(param[i].defval);
 393                         else
 394                                 *((gint *)param[i].data) = 0;
 395                         break;
 396                 case P_BOOL:
 397                         if (param[i].defval != NULL) {
 398                                 if (!g_ascii_strcasecmp(param[i].defval, "TRUE"))
 399                                         *((gboolean *)param[i].data) = TRUE;
 400                                 else
 401                                         *((gboolean *)param[i].data) =
 402                                                 atoi(param[i].defval) ? TRUE : FALSE;
 403                         } else
 404                                 *((gboolean *)param[i].data) = FALSE;
 405                         break;
 406                 case P_ENUM:
 407                         if (param[i].defval != NULL)
 408                                 *((DummyEnum*)param[i].data) =
 409                                         (DummyEnum)atoi(param[i].defval);
 410                         else
 411                                 *((DummyEnum *)param[i].data) = 0;
 412                         break;
 413                 case P_USHORT:
 414                         if (param[i].defval != NULL)
 415                                 *((gushort *)param[i].data) =
 416                                         (gushort)atoi(param[i].defval);
 417                         else
 418                                 *((gushort *)param[i].data) = 0;
 419                         break;
 420                 case P_COLOR:
 421                         if (param[i].defval != NULL && gdk_color_parse(param[i].defval, &color))
 422                                 *((gulong *)param[i].data) =
 423                                         RGB_FROM_GDK_COLOR(color);
 424                         else if (param[i].defval)
 425                                 /* be compatible and accept ints */
 426                                 *((gulong *)param[i].data) = strtoul(param[i].defval, 0, 10);
 427                         else
 428                                 *((gulong *)param[i].data) = 0;
 429                         break;
 430                 default:
 431                         break;
 432                 }
 433         }
 434 }
 435
 436 void prefs_free(PrefParam *param)
 437 {
 438         gint i;
 439
 440         g_return_if_fail(param != NULL);
 441
 442         for (i = 0; param[i].name != NULL; i++) {
 443                 if (!param[i].data) continue;
 444
 445                 switch (param[i].type) {
 446                 case P_STRING:
 447                 case P_PASSWORD:
 448                         g_free(*((gchar **)param[i].data));
 449                         break;
 450                 default:
 451                         break;
 452                 }
 453         }
 454 }
 455
 456 void prefs_dialog_create(PrefsDialog *dialog)
 457 {
 458         GtkWidget *window;
 459         GtkWidget *vbox;
 460         GtkWidget *notebook;
 461
 462         GtkWidget *confirm_area;
 463         GtkWidget *ok_btn;
 464         GtkWidget *cancel_btn;
 465         GtkWidget *apply_btn;
 466
 467         g_return_if_fail(dialog != NULL);
 468
 469         window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 470         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 471         gtk_window_set_position (GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 472         gtk_window_set_modal (GTK_WINDOW (window), TRUE);
 473         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 474
 475         vbox = gtk_vbox_new (FALSE, 6);
 476         gtk_widget_show(vbox);
 477         gtk_container_add (GTK_CONTAINER (window), vbox);
 478
 479         notebook = gtk_notebook_new ();
 480         gtk_widget_show(notebook);
 481         gtk_box_pack_start (GTK_BOX (vbox), notebook, TRUE, TRUE, 0);
 482         gtk_container_set_border_width (GTK_CONTAINER (notebook), 2);
 483         /* GTK_WIDGET_UNSET_FLAGS (notebook, GTK_CAN_FOCUS); */
 484         gtk_notebook_set_scrollable (GTK_NOTEBOOK (notebook), TRUE);
 485
 486         gtk_notebook_popup_enable (GTK_NOTEBOOK (notebook));
 487
 488         gtkut_button_set_create(&confirm_area,
 489                                 &ok_btn,        _("OK"),
 490                                 &cancel_btn,    _("Cancel"),
 491                                 &apply_btn,     _("Apply"));
 492         gtk_widget_show(confirm_area);
 493         gtk_box_pack_end (GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 494         gtk_widget_grab_default(ok_btn);
 495
 496         dialog->window     = window;
 497         dialog->notebook   = notebook;
 498         dialog->ok_btn     = ok_btn;
 499         dialog->cancel_btn = cancel_btn;
 500         dialog->apply_btn  = apply_btn;
 501 }
 502
 503 void prefs_dialog_destroy(PrefsDialog *dialog)
 504 {
 505         gtk_widget_destroy(dialog->window);
 506         dialog->window     = NULL;
 507         dialog->notebook   = NULL;
 508         dialog->ok_btn     = NULL;
 509         dialog->cancel_btn = NULL;
 510         dialog->apply_btn  = NULL;
 511 }
 512
 513 void prefs_button_toggled(GtkToggleButton *toggle_btn, GtkWidget *widget)
 514 {
 515         gboolean is_active;
 516
 517         is_active = gtk_toggle_button_get_active(toggle_btn);
 518         gtk_widget_set_sensitive(widget, is_active);
 519 }
 520
 521 void prefs_set_dialog(PrefParam *param)
 522 {
 523         gint i;
 524
 525         for (i = 0; param[i].name != NULL; i++) {
 526                 if (param[i].widget_set_func)
 527                         param[i].widget_set_func(&param[i]);
 528         }
 529 }
 530
 531 void prefs_set_data_from_dialog(PrefParam *param)
 532 {
 533         gint i;
 534
 535         for (i = 0; param[i].name != NULL; i++) {
 536                 if (param[i].data_set_func)
 537                         param[i].data_set_func(&param[i]);
 538         }
 539 }
 540
 541 void prefs_set_dialog_to_default(PrefParam *param)
 542 {
 543         gint       i;
 544         PrefParam  tmpparam;
 545         gchar     *str_data = NULL;
 546         gint       int_data;
 547         gushort    ushort_data;
 548         gboolean   bool_data;
 549         DummyEnum  enum_data;
 550
 551         for (i = 0; param[i].name != NULL; i++) {
 552                 if (!param[i].widget_set_func) continue;
 553
 554                 tmpparam = param[i];
 555
 556                 switch (tmpparam.type) {
 557                 case P_STRING:
 558                 case P_PASSWORD:
 559                         if (tmpparam.defval) {
 560                                 if (!g_ascii_strncasecmp(tmpparam.defval, "ENV_", 4)) {
 561                                         str_data = g_strdup(g_getenv(param[i].defval + 4));
 562                                         tmpparam.data = &str_data;
 563                                         break;
 564                                 } else if (tmpparam.defval[0] == '~') {
 565                                         str_data =
 566                                                 g_strconcat(get_home_dir(),
 567                                                             param[i].defval + 1,
 568                                                             NULL);
 569                                         tmpparam.data = &str_data;
 570                                         break;
 571                                 }
 572                         }
 573                         tmpparam.data = &tmpparam.defval;
 574                         break;
 575                 case P_INT:
 576                         if (tmpparam.defval)
 577                                 int_data = atoi(tmpparam.defval);
 578                         else
 579                                 int_data = 0;
 580                         tmpparam.data = &int_data;
 581                         break;
 582                 case P_USHORT:
 583                         if (tmpparam.defval)
 584                                 ushort_data = atoi(tmpparam.defval);
 585                         else
 586                                 ushort_data = 0;
 587                         tmpparam.data = &ushort_data;
 588                         break;
 589                 case P_BOOL:
 590                         if (tmpparam.defval) {
 591                                 if (!g_ascii_strcasecmp(tmpparam.defval, "TRUE"))
 592                                         bool_data = TRUE;
 593                                 else
 594                                         bool_data = atoi(tmpparam.defval)
 595                                                 ? TRUE : FALSE;
 596                         } else
 597                                 bool_data = FALSE;
 598                         tmpparam.data = &bool_data;
 599                         break;
 600                 case P_ENUM:
 601                         if (tmpparam.defval)
 602                                 enum_data = (DummyEnum)atoi(tmpparam.defval);
 603                         else
 604                                 enum_data = 0;
 605                         tmpparam.data = &enum_data;
 606                         break;
 607                 case P_OTHER:
 608                 default:
 609                         break;
 610                 }
 611                 tmpparam.widget_set_func(&tmpparam);
 612                 g_free(str_data);
 613                 str_data = NULL;
 614         }
 615 }
 616
 617 void prefs_set_data_from_entry(PrefParam *pparam)
 618 {
 619         gchar **str;
 620         const gchar *entry_str;
 621
 622         g_return_if_fail(*pparam->widget != NULL);
 623
 624         entry_str = gtk_entry_get_text(GTK_ENTRY(*pparam->widget));
 625
 626         switch (pparam->type) {
 627         case P_STRING:
 628         case P_PASSWORD:
 629                 str = (gchar **)pparam->data;
 630                 g_free(*str);
 631                 *str = entry_str[0] ? g_strdup(entry_str) : NULL;
 632                 break;
 633         case P_USHORT:
 634                 *((gushort *)pparam->data) = atoi(entry_str);
 635                 break;
 636         case P_INT:
 637                 *((gint *)pparam->data) = atoi(entry_str);
 638                 break;
 639         default:
 640                 g_warning("Invalid PrefType for GtkEntry widget: %d\n",
 641                           pparam->type);
 642         }
 643 }
 644
 645 void prefs_set_entry(PrefParam *pparam)
 646 {
 647         gchar **str;
 648
 649         g_return_if_fail(*pparam->widget != NULL);
 650
 651         switch (pparam->type) {
 652         case P_STRING:
 653         case P_PASSWORD:
 654                 str = (gchar **)pparam->data;
 655                 gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
 656                                    *str ? *str : "");
 657                 break;
 658         case P_INT:
 659                 gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
 660                                    itos(*((gint *)pparam->data)));
 661                 break;
 662         case P_USHORT:
 663                 gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
 664                                    itos(*((gushort *)pparam->data)));
 665                 break;
 666         default:
 667                 g_warning("Invalid PrefType for GtkEntry widget: %d\n",
 668                           pparam->type);
 669         }
 670 }
 671
 672 void prefs_set_data_from_text(PrefParam *pparam)
 673 {
 674         gchar **str;
 675         gchar *text = NULL, *tp = NULL;
 676         gchar *tmp, *tmpp;
 677
 678         g_return_if_fail(*pparam->widget != NULL);
 679
 680         switch (pparam->type) {
 681         case P_STRING:
 682         case P_PASSWORD:
 683                 str = (gchar **)pparam->data;
 684                 g_free(*str);
 685                 if (GTK_IS_EDITABLE(*pparam->widget)) {   /* need? */
 686                         tp = text = gtk_editable_get_chars
 687                                         (GTK_EDITABLE(*pparam->widget), 0, -1);
 688                 } else if (GTK_IS_TEXT_VIEW(*pparam->widget)) {
 689                         GtkTextView *textview = GTK_TEXT_VIEW(*pparam->widget);
 690                         GtkTextBuffer *buffer = gtk_text_view_get_buffer(textview);
 691                         GtkTextIter start, end;
 692                         gtk_text_buffer_get_start_iter(buffer, &start);
 693                         gtk_text_buffer_get_iter_at_offset(buffer, &end, -1);
 694                         tp = text = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
 695                 }
 696
 697                 g_return_if_fail (tp && text);
 698
 699                 if (text[0] == '\0') {
 700                         *str = NULL;
 701                         g_free(text);
 702                         break;
 703                 }
 704
 705                 Xalloca(tmpp = tmp, strlen(text) * 2 + 1,
 706                         { *str = NULL; break; });
 707                 while (*tp) {
 708                         if (*tp == '\n') {
 709                                 *tmpp++ = '\\';
 710                                 *tmpp++ = 'n';
 711                                 tp++;
 712                         } else
 713                                 *tmpp++ = *tp++;
 714                 }
 715                 *tmpp = '\0';
 716                 *str = g_strdup(tmp);
 717                 g_free(text);
 718                 break;
 719         default:
 720                 g_warning("Invalid PrefType for GtkText widget: %d\n",
 721                           pparam->type);
 722         }
 723 }
 724
 725 void prefs_set_text(PrefParam *pparam)
 726 {
 727         gchar *buf, *sp, *bufp;
 728         gchar **str;
 729         GtkTextView *text;
 730         GtkTextBuffer *buffer;
 731         GtkTextIter iter;
 732
 733         g_return_if_fail(*pparam->widget != NULL);
 734
 735         switch (pparam->type) {
 736         case P_STRING:
 737         case P_PASSWORD:
 738                 str = (gchar **)pparam->data;
 739                 if (*str) {
 740                         bufp = buf = alloca(strlen(*str) + 1);
 741                         if (!buf) buf = "";
 742                         else {
 743                                 sp = *str;
 744                                 while (*sp) {
 745                                         if (*sp == '\\' && *(sp + 1) == 'n') {
 746                                                 *bufp++ = '\n';
 747                                                 sp += 2;
 748                                         } else
 749                                                 *bufp++ = *sp++;
 750                                 }
 751                                 *bufp = '\0';
 752                         }
 753                 } else
 754                         buf = "";
 755
 756                 text = GTK_TEXT_VIEW(*pparam->widget);
 757                 buffer = gtk_text_view_get_buffer(text);
 758                 gtk_text_buffer_set_text(buffer, "", -1);
 759                 gtk_text_buffer_get_start_iter(buffer, &iter);
 760                 gtk_text_buffer_insert(buffer, &iter, buf, -1);
 761                 break;
 762         default:
 763                 g_warning("Invalid PrefType for GtkTextView widget: %d\n",
 764                           pparam->type);
 765         }
 766 }
 767
 768 void prefs_set_data_from_toggle(PrefParam *pparam)
 769 {
 770         g_return_if_fail(pparam->type == P_BOOL);
 771         g_return_if_fail(*pparam->widget != NULL);
 772
 773         *((gboolean *)pparam->data) =
 774                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(*pparam->widget));
 775 }
 776
 777 void prefs_set_toggle(PrefParam *pparam)
 778 {
 779         g_return_if_fail(pparam->type == P_BOOL);
 780         g_return_if_fail(*pparam->widget != NULL);
 781
 782         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(*pparam->widget),
 783                                      *((gboolean *)pparam->data));
 784 }
 785
 786 void prefs_set_data_from_spinbtn(PrefParam *pparam)
 787 {
 788         g_return_if_fail(*pparam->widget != NULL);
 789
 790         switch (pparam->type) {
 791         case P_INT:
 792                 *((gint *)pparam->data) =
 793                         gtk_spin_button_get_value_as_int
 794                         (GTK_SPIN_BUTTON(*pparam->widget));
 795                 break;
 796         case P_USHORT:
 797                 *((gushort *)pparam->data) =
 798                         (gushort)gtk_spin_button_get_value_as_int
 799                         (GTK_SPIN_BUTTON(*pparam->widget));
 800                 break;
 801         default:
 802                 g_warning("Invalid PrefType for GtkSpinButton widget: %d\n",
 803                           pparam->type);
 804         }
 805 }
 806
 807 void prefs_set_spinbtn(PrefParam *pparam)
 808 {
 809         g_return_if_fail(*pparam->widget != NULL);
 810
 811         switch (pparam->type) {
 812         case P_INT:
 813                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(*pparam->widget),
 814                                           (gfloat)*((gint *)pparam->data));
 815                 break;
 816         case P_USHORT:
 817                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(*pparam->widget),
 818                                           (gfloat)*((gushort *)pparam->data));
 819                 break;
 820         default:
 821                 g_warning("Invalid PrefType for GtkSpinButton widget: %d\n",
 822                           pparam->type);
 823         }
 824 }
 825
 826 static GSList *prefs_pages = NULL;
 827
 828 void prefs_gtk_open(void)
 829 {
 830         prefswindow_open(_("Preferences"), prefs_pages, NULL);
 831 }
 832
 833 void prefs_gtk_register_page(PrefsPage *page)
 834 {
 835         prefs_pages = g_slist_append(prefs_pages, page);
 836 }
 837
 838 void prefs_gtk_unregister_page(PrefsPage *page)
 839 {
 840         prefs_pages = g_slist_remove(prefs_pages, page);
 841 }