src/prefs_customheader.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2009 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gtk/gtk.h>
  29 #include <gdk/gdkkeysyms.h>
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <errno.h>
  34
  35 #include "main.h"
  36 #include "prefs_gtk.h"
  37 #include "prefs_customheader.h"
  38 #include "prefs_common.h"
  39 #include "prefs_account.h"
  40 #include "mainwindow.h"
  41 #include "foldersel.h"
  42 #include "manage_window.h"
  43 #include "customheader.h"
  44 #include "folder.h"
  45 #include "utils.h"
  46 #include "gtkutils.h"
  47 #include "alertpanel.h"
  48 #include "base64.h"
  49 #include "filesel.h"
  50 #include "combobox.h"
  51
  52 enum {
  53         CUSTHDR_STRING,         /*!< display string managed by list store */
  54         CUSTHDR_DATA,           /*!< string managed by us */
  55         N_CUSTHDR_COLUMNS
  56 };
  57
  58 static struct CustomHdr {
  59         GtkWidget *window;
  60
  61         GtkWidget *ok_btn;
  62         GtkWidget *cancel_btn;
  63
  64         GtkWidget *hdr_combo;
  65         GtkWidget *hdr_entry;
  66         GtkWidget *val_entry;
  67         GtkWidget *preview;
  68         GtkWidget *list_view;
  69 } customhdr;
  70
  71 /* widget creating functions */
  72 static void prefs_custom_header_create  (void);
  73
  74 static void prefs_custom_header_set_dialog              (PrefsAccount *ac);
  75 static void prefs_custom_header_set_list                (PrefsAccount *ac);
  76 static void prefs_custom_header_list_view_set_row       (PrefsAccount *ac);
  77
  78 /* callback functions */
  79 static void prefs_custom_header_add_cb          (void);
  80 static void prefs_custom_header_val_from_file_cb(void);
  81 static void prefs_custom_header_delete_cb       (void);
  82 static void prefs_custom_header_up              (void);
  83 static void prefs_custom_header_down            (void);
  84
  85 static gboolean prefs_custom_header_key_pressed (GtkWidget      *widget,
  86                                                  GdkEventKey    *event,
  87                                                  gpointer        data);
  88 static void prefs_custom_header_ok              (void);
  89 static void prefs_custom_header_cancel          (void);
  90 static gint prefs_custom_header_deleted         (GtkWidget      *widget,
  91                                                  GdkEventAny    *event,
  92                                                  gpointer        data);
  93
  94 static GtkListStore* prefs_custom_header_create_data_store      (void);
  95
  96 static void prefs_custom_header_list_view_insert_header (GtkWidget *list_view,
  97                                                          GtkTreeIter *row_iter,
  98                                                          gchar *header,
  99                                                          gpointer data);
 100
 101 static GtkWidget *prefs_custom_header_list_view_create (void);
 102
 103 static void prefs_custom_header_create_list_view_columns        (GtkWidget *list_view);
 104
 105 static gboolean prefs_custom_header_selected    (GtkTreeSelection *selector,
 106                                                  GtkTreeModel *model,
 107                                                  GtkTreePath *path,
 108                                                  gboolean currently_selected,
 109                                                  gpointer data);
 110
 111
 112 static PrefsAccount *cur_ac = NULL;
 113
 114 void prefs_custom_header_open(PrefsAccount *ac)
 115 {
 116         if (!customhdr.window) {
 117                 prefs_custom_header_create();
 118         }
 119
 120         manage_window_set_transient(GTK_WINDOW(customhdr.window));
 121         gtk_widget_grab_focus(customhdr.ok_btn);
 122
 123         prefs_custom_header_set_dialog(ac);
 124
 125         cur_ac = ac;
 126
 127         gtk_widget_show(customhdr.window);
 128 }
 129
 130 static void prefs_custom_header_create(void)
 131 {
 132         GtkWidget *window;
 133         GtkWidget *vbox;
 134
 135         GtkWidget *ok_btn;
 136         GtkWidget *cancel_btn;
 137
 138         GtkWidget *confirm_area;
 139
 140         GtkWidget *vbox1;
 141
 142         GtkWidget *table1;
 143         GtkWidget *hdr_label;
 144         GtkWidget *hdr_combo;
 145         GtkWidget *val_label;
 146         GtkWidget *val_entry;
 147         GtkWidget *val_btn;
 148
 149         GtkWidget *reg_hbox;
 150         GtkWidget *btn_hbox;
 151         GtkWidget *arrow;
 152         GtkWidget *add_btn;
 153         GtkWidget *del_btn;
 154         GtkWidget *preview;
 155
 156         GtkWidget *ch_hbox;
 157         GtkWidget *ch_scrolledwin;
 158         GtkWidget *list_view;
 159
 160         GtkWidget *btn_vbox;
 161         GtkWidget *up_btn;
 162         GtkWidget *down_btn;
 163
 164         debug_print("Creating custom header setting window...\n");
 165
 166         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_customheader");
 167         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 168         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 169         gtk_window_set_modal (GTK_WINDOW (window), TRUE);
 170         gtk_window_set_resizable(GTK_WINDOW (window), TRUE);
 171
 172         vbox = gtk_vbox_new (FALSE, 6);
 173         gtk_widget_show (vbox);
 174         gtk_container_add (GTK_CONTAINER (window), vbox);
 175
 176         gtkut_stock_button_set_create(&confirm_area, &cancel_btn, GTK_STOCK_CANCEL,
 177                                       &ok_btn, GTK_STOCK_OK,
 178                                       NULL, NULL);
 179         gtk_widget_show (confirm_area);
 180         gtk_box_pack_end (GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 181         gtk_widget_grab_default (ok_btn);
 182
 183         gtk_window_set_title (GTK_WINDOW(window), _("Custom header configuration"));
 184         MANAGE_WINDOW_SIGNALS_CONNECT (window);
 185         g_signal_connect (G_OBJECT(window), "delete_event",
 186                           G_CALLBACK(prefs_custom_header_deleted),
 187                           NULL);
 188         g_signal_connect (G_OBJECT(window), "key_press_event",
 189                           G_CALLBACK(prefs_custom_header_key_pressed),
 190                           NULL);
 191         g_signal_connect (G_OBJECT(ok_btn), "clicked",
 192                           G_CALLBACK(prefs_custom_header_ok), NULL);
 193         g_signal_connect (G_OBJECT(cancel_btn), "clicked",
 194                           G_CALLBACK(prefs_custom_header_cancel), NULL);
 195
 196         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 197         gtk_widget_show (vbox1);
 198         gtk_box_pack_start (GTK_BOX (vbox), vbox1, TRUE, TRUE, 0);
 199         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 200
 201         table1 = gtk_table_new (3, 2, FALSE);
 202         gtk_widget_show (table1);
 203         gtk_box_pack_start (GTK_BOX (vbox1), table1,
 204                             FALSE, FALSE, 0);
 205         gtk_table_set_row_spacings (GTK_TABLE (table1), 8);
 206         gtk_table_set_col_spacings (GTK_TABLE (table1), 8);
 207
 208         hdr_label = gtk_label_new (_("Header"));
 209         gtk_widget_show (hdr_label);
 210         gtk_table_attach (GTK_TABLE (table1), hdr_label, 0, 1, 0, 1,
 211                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 212                           0, 0, 0);
 213         gtk_misc_set_alignment (GTK_MISC (hdr_label), 0, 0.5);
 214
 215         hdr_combo = combobox_text_new(TRUE, "User-Agent", "Face", "X-Face",
 216                                       "X-Operating-System", NULL);
 217         gtk_table_attach (GTK_TABLE (table1), hdr_combo, 0, 1, 1, 2,
 218                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 219                           0, 0, 0);
 220         gtk_widget_set_size_request (hdr_combo, 150, -1);
 221
 222         val_label = gtk_label_new (_("Value"));
 223         gtk_widget_show (val_label);
 224         gtk_table_attach (GTK_TABLE (table1), val_label, 1, 2, 0, 1,
 225                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 226                           0, 0, 0);
 227         gtk_misc_set_alignment (GTK_MISC (val_label), 0, 0.5);
 228
 229         val_entry = gtk_entry_new ();
 230         gtk_widget_show (val_entry);
 231         gtk_table_attach (GTK_TABLE (table1), val_entry, 1, 2, 1, 2,
 232                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 233                           0, 0, 0);
 234         gtk_widget_set_size_request (val_entry, 200, -1);
 235
 236         val_btn = gtk_button_new_with_label (_("From file..."));
 237         gtk_widget_show (val_btn);
 238         gtk_table_attach (GTK_TABLE (table1), val_btn, 2, 3, 1, 2,
 239                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 240                           0, 0, 0);
 241         g_signal_connect (G_OBJECT (val_btn), "clicked",
 242                           G_CALLBACK (prefs_custom_header_val_from_file_cb),
 243                           NULL);
 244
 245         /* add / delete */
 246
 247         reg_hbox = gtk_hbox_new (FALSE, 4);
 248         gtk_widget_show (reg_hbox);
 249         gtk_box_pack_start (GTK_BOX (vbox1), reg_hbox, FALSE, FALSE, 0);
 250
 251         arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 252         gtk_widget_show (arrow);
 253         gtk_box_pack_start (GTK_BOX (reg_hbox), arrow, FALSE, FALSE, 0);
 254         gtk_widget_set_size_request (arrow, -1, 16);
 255
 256         btn_hbox = gtk_hbox_new (TRUE, 4);
 257         gtk_widget_show (btn_hbox);
 258         gtk_box_pack_start (GTK_BOX (reg_hbox), btn_hbox, FALSE, FALSE, 0);
 259
 260         add_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 261         gtk_widget_show (add_btn);
 262         gtk_box_pack_start (GTK_BOX (btn_hbox), add_btn, FALSE, TRUE, 0);
 263         g_signal_connect (G_OBJECT (add_btn), "clicked",
 264                           G_CALLBACK (prefs_custom_header_add_cb),
 265                           NULL);
 266
 267         del_btn = gtk_button_new_from_stock (GTK_STOCK_DELETE);
 268         gtk_widget_show (del_btn);
 269         gtk_box_pack_start (GTK_BOX (btn_hbox), del_btn, FALSE, TRUE, 0);
 270         g_signal_connect (G_OBJECT (del_btn), "clicked",
 271                           G_CALLBACK (prefs_custom_header_delete_cb),
 272                           NULL);
 273
 274
 275         ch_hbox = gtk_hbox_new (FALSE, 8);
 276         gtk_widget_show (ch_hbox);
 277         gtk_box_pack_start (GTK_BOX (vbox1), ch_hbox, TRUE, TRUE, 0);
 278
 279         ch_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 280         gtk_widget_set_size_request (ch_scrolledwin, -1, 200);
 281         gtk_widget_show (ch_scrolledwin);
 282         gtk_box_pack_start (GTK_BOX (ch_hbox), ch_scrolledwin, TRUE, TRUE, 0);
 283         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (ch_scrolledwin),
 284                                         GTK_POLICY_AUTOMATIC,
 285                                         GTK_POLICY_AUTOMATIC);
 286
 287         list_view = prefs_custom_header_list_view_create();
 288         gtk_widget_show (list_view);
 289         gtk_container_add (GTK_CONTAINER (ch_scrolledwin), list_view);
 290
 291         btn_vbox = gtk_vbox_new (FALSE, 8);
 292         gtk_widget_show (btn_vbox);
 293         gtk_box_pack_start (GTK_BOX (ch_hbox), btn_vbox, FALSE, FALSE, 0);
 294
 295         preview = gtk_image_new ();
 296         gtk_widget_show (preview);
 297         gtk_box_pack_start (GTK_BOX (btn_vbox), preview, FALSE, FALSE, 0);
 298
 299         up_btn = gtk_button_new_from_stock (GTK_STOCK_GO_UP);
 300         gtk_widget_show (up_btn);
 301         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 302         g_signal_connect (G_OBJECT (up_btn), "clicked",
 303                           G_CALLBACK (prefs_custom_header_up), NULL);
 304
 305         down_btn = gtk_button_new_from_stock (GTK_STOCK_GO_DOWN);
 306         gtk_widget_show (down_btn);
 307         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 308         g_signal_connect (G_OBJECT (down_btn), "clicked",
 309                           G_CALLBACK (prefs_custom_header_down), NULL);
 310
 311         gtk_widget_show_all(window);
 312
 313         customhdr.window     = window;
 314         customhdr.ok_btn     = ok_btn;
 315         customhdr.cancel_btn = cancel_btn;
 316         customhdr.preview = preview;
 317
 318         customhdr.hdr_combo  = hdr_combo;
 319         customhdr.hdr_entry  = gtk_bin_get_child(GTK_BIN((hdr_combo)));
 320         customhdr.val_entry  = val_entry;
 321
 322         customhdr.list_view   = list_view;
 323 }
 324
 325 void prefs_custom_header_read_config(PrefsAccount *ac)
 326 {
 327         gchar *rcpath;
 328         FILE *fp;
 329         gchar buf[PREFSBUFSIZE];
 330         CustomHeader *ch;
 331
 332         debug_print("Reading custom header configuration...\n");
 333
 334         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 335                              CUSTOM_HEADER_RC, NULL);
 336         if ((fp = g_fopen(rcpath, "rb")) == NULL) {
 337                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 338                 g_free(rcpath);
 339                 ac->customhdr_list = NULL;
 340                 return;
 341         }
 342         g_free(rcpath);
 343
 344         /* remove all previous headers list */
 345         while (ac->customhdr_list != NULL) {
 346                 ch = (CustomHeader *)ac->customhdr_list->data;
 347                 ac->customhdr_list = g_slist_remove(ac->customhdr_list, ch);
 348                 custom_header_free(ch);
 349         }
 350
 351         while (fgets(buf, sizeof(buf), fp) != NULL) {
 352                 ch = custom_header_read_str(buf);
 353                 if (ch) {
 354                         if (ch->account_id == ac->account_id) {
 355                                 ac->customhdr_list =
 356                                         g_slist_append(ac->customhdr_list, ch);
 357                         } else
 358                                 custom_header_free(ch);
 359                 }
 360         }
 361
 362         fclose(fp);
 363 }
 364
 365 static void prefs_custom_header_write_config(PrefsAccount *ac)
 366 {
 367         gchar *rcpath;
 368         PrefFile *pfile;
 369         GSList *cur;
 370         gchar buf[PREFSBUFSIZE];
 371         FILE * fp;
 372         CustomHeader *ch;
 373
 374         GSList *all_hdrs = NULL;
 375
 376         debug_print("Writing custom header configuration...\n");
 377
 378         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 379                              CUSTOM_HEADER_RC, NULL);
 380
 381         if ((fp = g_fopen(rcpath, "rb")) == NULL) {
 382                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 383         } else {
 384                 all_hdrs = NULL;
 385
 386                 while (fgets(buf, sizeof(buf), fp) != NULL) {
 387                         ch = custom_header_read_str(buf);
 388                         if (ch) {
 389                                 if (ch->account_id != ac->account_id)
 390                                         all_hdrs =
 391                                                 g_slist_append(all_hdrs, ch);
 392                                 else
 393                                         custom_header_free(ch);
 394                         }
 395                 }
 396
 397                 fclose(fp);
 398         }
 399
 400         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 401                 g_warning("failed to write configuration to file\n");
 402                 g_free(rcpath);
 403                 return;
 404         }
 405
 406         for (cur = all_hdrs; cur != NULL; cur = cur->next) {
 407                 CustomHeader *hdr = (CustomHeader *)cur->data;
 408                 gchar *chstr;
 409
 410                 chstr = custom_header_get_str(hdr);
 411                 if (fputs(chstr, pfile->fp) == EOF ||
 412                     fputc('\n', pfile->fp) == EOF) {
 413                         FILE_OP_ERROR(rcpath, "fputs || fputc");
 414                         prefs_file_close_revert(pfile);
 415                         g_free(rcpath);
 416                         g_free(chstr);
 417                         return;
 418                 }
 419                 g_free(chstr);
 420         }
 421
 422         for (cur = ac->customhdr_list; cur != NULL; cur = cur->next) {
 423                 CustomHeader *hdr = (CustomHeader *)cur->data;
 424                 gchar *chstr;
 425
 426                 chstr = custom_header_get_str(hdr);
 427                 if (fputs(chstr, pfile->fp) == EOF ||
 428                     fputc('\n', pfile->fp) == EOF) {
 429                         FILE_OP_ERROR(rcpath, "fputs || fputc");
 430                         prefs_file_close_revert(pfile);
 431                         g_free(rcpath);
 432                         g_free(chstr);
 433                         return;
 434                 }
 435                 g_free(chstr);
 436         }
 437
 438         g_free(rcpath);
 439
 440         while (all_hdrs != NULL) {
 441                 ch = (CustomHeader *)all_hdrs->data;
 442                 all_hdrs = g_slist_remove(all_hdrs, ch);
 443                 custom_header_free(ch);
 444         }
 445
 446         if (prefs_file_close(pfile) < 0) {
 447                 g_warning("failed to write configuration to file\n");
 448                 return;
 449         }
 450 }
 451
 452 static void prefs_custom_header_set_dialog(PrefsAccount *ac)
 453 {
 454         GtkListStore *store;
 455         GSList *cur;
 456
 457         store = GTK_LIST_STORE(gtk_tree_view_get_model
 458                                 (GTK_TREE_VIEW(customhdr.list_view)));
 459         gtk_list_store_clear(store);
 460
 461         for (cur = ac->customhdr_list; cur != NULL; cur = cur->next) {
 462                 CustomHeader *ch = (CustomHeader *)cur->data;
 463                 gchar *ch_str;
 464
 465                 ch_str = g_strdup_printf("%s: %s", ch->name,
 466                                          ch->value ? ch->value : "");
 467
 468                 prefs_custom_header_list_view_insert_header
 469                         (customhdr.list_view, NULL, ch_str, ch);
 470
 471                 g_free(ch_str);
 472         }
 473 }
 474
 475 static void prefs_custom_header_set_list(PrefsAccount *ac)
 476 {
 477         CustomHeader *ch;
 478         GtkTreeIter iter;
 479         GtkListStore *store;
 480
 481         g_slist_free(ac->customhdr_list);
 482         ac->customhdr_list = NULL;
 483
 484         store = GTK_LIST_STORE(gtk_tree_view_get_model
 485                                 (GTK_TREE_VIEW(customhdr.list_view)));
 486
 487         if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter)) {
 488                 do {
 489                         gtk_tree_model_get(GTK_TREE_MODEL(store), &iter,
 490                                            CUSTHDR_DATA, &ch,
 491                                            -1);
 492                         ac->customhdr_list = g_slist_append(ac->customhdr_list, ch);
 493                 } while (gtk_tree_model_iter_next(GTK_TREE_MODEL(store),
 494                                                   &iter));
 495         }
 496 }
 497
 498 static void prefs_custom_header_list_view_set_row(PrefsAccount *ac)
 499 {
 500         CustomHeader *ch;
 501         const gchar *entry_text;
 502         gchar *ch_str;
 503         GtkListStore *store;
 504
 505         store = GTK_LIST_STORE(gtk_tree_view_get_model
 506                                 (GTK_TREE_VIEW(customhdr.list_view)));
 507
 508         entry_text = gtk_entry_get_text(GTK_ENTRY(customhdr.hdr_entry));
 509         if (entry_text[0] == '\0') {
 510                 alertpanel_error(_("Header name is not set."));
 511                 return;
 512         }
 513
 514         while (*entry_text &&
 515                (*entry_text == '\n' || *entry_text == '\r' ||
 516                 *entry_text == '\t' || *entry_text == ' '))
 517                 entry_text++;
 518
 519         if (!custom_header_is_allowed(entry_text)) {
 520                 alertpanel_error(_("This Header name is not allowed as a custom header."));
 521                 return;
 522         }
 523
 524         ch = g_new0(CustomHeader, 1);
 525
 526         ch->account_id = ac->account_id;
 527
 528         ch->name = g_strdup(entry_text);
 529         unfold_line(ch->name);
 530         g_strstrip(ch->name);
 531         gtk_entry_set_text(GTK_ENTRY(customhdr.hdr_entry), ch->name);
 532
 533         entry_text = gtk_entry_get_text(GTK_ENTRY(customhdr.val_entry));
 534         while (*entry_text &&
 535                (*entry_text == '\n' || *entry_text == '\r' ||
 536                 *entry_text == '\t' || *entry_text == ' '))
 537                 entry_text++;
 538
 539         if (entry_text[0] != '\0') {
 540                 ch->value = g_strdup(entry_text);
 541                 unfold_line(ch->value);
 542                 g_strstrip(ch->value);
 543                 gtk_entry_set_text(GTK_ENTRY(customhdr.val_entry), ch->value);
 544         }
 545
 546         ch_str = g_strdup_printf("%s: %s", ch->name,
 547                                  ch->value ? ch->value : "");
 548
 549         prefs_custom_header_list_view_insert_header
 550                 (customhdr.list_view, NULL, ch_str, ch);
 551
 552         g_free(ch_str);
 553
 554         prefs_custom_header_set_list(cur_ac);
 555
 556 }
 557
 558 #define B64_LINE_SIZE           57
 559 #define B64_BUFFSIZE            77
 560 static void prefs_custom_header_val_from_file_cb(void)
 561 {
 562         gchar *filename = NULL;
 563         gchar *contents = NULL;
 564         const gchar *hdr = gtk_entry_get_text(GTK_ENTRY(customhdr.hdr_entry));
 565
 566         if (!strcmp(hdr, "Face"))
 567                 filename = filesel_select_file_open(_("Choose a PNG file"), NULL);
 568         else if (!strcmp(hdr, "X-Face"))
 569                 filename = filesel_select_file_open(_("Choose an XBM file"), NULL);
 570         else
 571                 filename = filesel_select_file_open(_("Choose a text file"), NULL);
 572
 573         if (!strcmp(hdr, "Face") || !strcmp(hdr, "X-Face")) {
 574                 if (filename && is_file_exist(filename)) {
 575                         FILE *fp = NULL;
 576                         gint len;
 577                         gchar inbuf[B64_LINE_SIZE], outbuf[B64_BUFFSIZE];
 578                         gchar *tmp = NULL;
 579                         gint w, h;
 580                         GdkPixbufFormat *format = gdk_pixbuf_get_file_info(
 581                                                         filename, &w, &h);
 582
 583                         if (format == NULL) {
 584                                 alertpanel_error(_("This file isn't an image."));
 585                                 g_free(filename);
 586                                 return;
 587                         }
 588                         if (w != 48 || h != 48) {
 589                                 alertpanel_error(_("The chosen image isn't the correct size (48x48)."));
 590                                 g_free(filename);
 591                                 return;
 592                         }
 593                         if (!strcmp(hdr, "Face")) {
 594                                 if (get_file_size(filename) > 725) {
 595                                         alertpanel_error(_("The image is too big; it must be maximum 725 bytes."));
 596                                         g_free(filename);
 597                                         return;
 598                                 }
 599                                 if (g_ascii_strcasecmp("png", gdk_pixbuf_format_get_name(format))) {
 600                                         alertpanel_error(_("The image isn't in the correct format (PNG)."));
 601                                         g_print("%s\n", gdk_pixbuf_format_get_name(format));
 602                                         g_free(filename);
 603                                         return;
 604                                 }
 605                         } else if (!strcmp(hdr, "X-Face")) {
 606                                 gchar *tmp = NULL, *cmd = NULL;
 607                                 int i = 0;
 608                                 if (g_ascii_strcasecmp("xbm", gdk_pixbuf_format_get_name(format))) {
 609                                         alertpanel_error(_("The image isn't in the correct format (XBM)."));
 610                                         g_print("%s\n", gdk_pixbuf_format_get_name(format));
 611                                         g_free(filename);
 612                                         return;
 613                                 }
 614                                 cmd = g_strdup_printf("compface %s", filename);
 615                                 tmp = get_command_output(cmd);
 616                                 g_free(cmd);
 617                                 if (tmp == NULL || *tmp == '\0') {
 618                                         alertpanel_error(_("Couldn't call `compface`. Make sure it's in your $PATH."));
 619                                         g_free(filename);
 620                                         g_free(tmp);
 621                                         return;
 622                                 }
 623                                 if (strstr(tmp, "compface:")) {
 624                                         alertpanel_error(_("Compface error: %s"), tmp);
 625                                         g_free(filename);
 626                                         g_free(tmp);
 627                                         return;
 628                                 }
 629                                 while (tmp[i]) {
 630                                         gchar *tmp2 = NULL;
 631                                         if (tmp[i] == ' ') {
 632                                                 i++; continue;
 633                                         }
 634                                         if (tmp[i] == '\r' || tmp[i] == '\n') {
 635                                                 i++; continue;
 636                                         }
 637                                         tmp2 = contents;
 638                                         contents = g_strdup_printf("%s%c",tmp2?tmp2:"", tmp[i]);
 639                                         g_free(tmp2);
 640                                         i++;
 641                                 }
 642                                 g_free(tmp);
 643                                 goto settext;
 644                         }
 645
 646                         fp = g_fopen(filename, "rb");
 647                         if (!fp) {
 648                                 g_free(filename);
 649                                 return;
 650                         }
 651
 652                         while ((len = fread(inbuf, sizeof(gchar),
 653                                             B64_LINE_SIZE, fp))
 654                                == B64_LINE_SIZE) {
 655                                 base64_encode(outbuf, inbuf, B64_LINE_SIZE);
 656
 657                                 tmp = contents;
 658                                 contents = g_strconcat(tmp?tmp:"",outbuf, NULL);
 659                                 g_free(tmp);
 660                         }
 661                         if (len > 0 && feof(fp)) {
 662                                 tmp = contents;
 663                                 base64_encode(outbuf, inbuf, len);
 664                                 contents = g_strconcat(tmp?tmp:"",outbuf, NULL);
 665                                 g_free(tmp);
 666                         }
 667                         fclose(fp);
 668                 }
 669         } else {
 670                 if (!filename)
 671                         return;
 672
 673                 contents = file_read_to_str(filename);
 674                 if (strchr(contents, '\n') || strchr(contents,'\r')) {
 675                         alertpanel_error(_("This file contains newlines."));
 676                         g_free(contents);
 677                         g_free(filename);
 678                         return;
 679                 }
 680         }
 681 settext:
 682         if (contents && strlen(contents))
 683                 gtk_entry_set_text(GTK_ENTRY(customhdr.val_entry), contents);
 684
 685         g_free(contents);
 686         g_free(filename);
 687 }
 688
 689 static void prefs_custom_header_add_cb(void)
 690 {
 691         prefs_custom_header_list_view_set_row(cur_ac);
 692 }
 693
 694 static void prefs_custom_header_delete_cb(void)
 695 {
 696         GtkTreeIter sel;
 697         GtkTreeModel *model;
 698         CustomHeader *ch;
 699
 700         if (!gtk_tree_selection_get_selected(gtk_tree_view_get_selection
 701                                 (GTK_TREE_VIEW(customhdr.list_view)),
 702                                 &model, &sel))
 703                 return;
 704
 705         if (alertpanel(_("Delete header"),
 706                        _("Do you really want to delete this header?"),
 707                        GTK_STOCK_CANCEL, GTK_STOCK_DELETE, NULL) != G_ALERTALTERNATE)
 708                 return;
 709
 710         gtk_tree_model_get(model, &sel,
 711                            CUSTHDR_DATA, &ch,
 712                            -1);
 713         gtk_list_store_remove(GTK_LIST_STORE(model), &sel);
 714
 715         cur_ac->customhdr_list = g_slist_remove(cur_ac->customhdr_list, ch);
 716
 717         custom_header_free(ch);
 718 }
 719
 720 static void prefs_custom_header_up(void)
 721 {
 722         GtkTreePath *prev, *sel;
 723         GtkTreeIter isel;
 724         GtkListStore *store = NULL;
 725         GtkTreeModel *model = NULL;
 726         GtkTreeIter iprev;
 727
 728         if (!gtk_tree_selection_get_selected
 729                 (gtk_tree_view_get_selection
 730                         (GTK_TREE_VIEW(customhdr.list_view)),
 731                  &model,
 732                  &isel))
 733                 return;
 734         store = (GtkListStore *)model;
 735         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &isel);
 736         if (!sel)
 737                 return;
 738
 739         /* no move if we're at row 0... */
 740         prev = gtk_tree_path_copy(sel);
 741         if (!gtk_tree_path_prev(prev)) {
 742                 gtk_tree_path_free(prev);
 743                 gtk_tree_path_free(sel);
 744                 return;
 745         }
 746
 747         gtk_tree_model_get_iter(GTK_TREE_MODEL(store),
 748                                 &iprev, prev);
 749         gtk_tree_path_free(sel);
 750         gtk_tree_path_free(prev);
 751
 752         gtk_list_store_swap(store, &iprev, &isel);
 753         prefs_custom_header_set_list(cur_ac);
 754 }
 755
 756 static void prefs_custom_header_down(void)
 757 {
 758         GtkListStore *store = NULL;
 759         GtkTreeModel *model = NULL;
 760         GtkTreeIter next, sel;
 761
 762         if (!gtk_tree_selection_get_selected
 763                 (gtk_tree_view_get_selection
 764                         (GTK_TREE_VIEW(customhdr.list_view)),
 765                  &model,
 766                  &sel))
 767                 return;
 768         store = (GtkListStore *)model;
 769         next = sel;
 770         if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &next))
 771                 return;
 772
 773         gtk_list_store_swap(store, &next, &sel);
 774         prefs_custom_header_set_list(cur_ac);
 775 }
 776
 777 static gboolean prefs_custom_header_key_pressed(GtkWidget *widget,
 778                                                 GdkEventKey *event,
 779                                                 gpointer data)
 780 {
 781         if (event && event->keyval == GDK_Escape)
 782                 prefs_custom_header_cancel();
 783         return FALSE;
 784 }
 785
 786 static void prefs_custom_header_ok(void)
 787 {
 788         prefs_custom_header_write_config(cur_ac);
 789         gtk_widget_hide(customhdr.window);
 790 }
 791
 792 static void prefs_custom_header_cancel(void)
 793 {
 794         prefs_custom_header_read_config(cur_ac);
 795         gtk_widget_hide(customhdr.window);
 796 }
 797
 798 static gint prefs_custom_header_deleted(GtkWidget *widget, GdkEventAny *event,
 799                                         gpointer data)
 800 {
 801         prefs_custom_header_cancel();
 802         return TRUE;
 803 }
 804
 805 static GtkListStore* prefs_custom_header_create_data_store(void)
 806 {
 807         return gtk_list_store_new(N_CUSTHDR_COLUMNS,
 808                                   G_TYPE_STRING,
 809                                   G_TYPE_POINTER,
 810                                   -1);
 811 }
 812
 813 static void prefs_custom_header_list_view_insert_header(GtkWidget *list_view,
 814                                                         GtkTreeIter *row_iter,
 815                                                         gchar *header,
 816                                                         gpointer data)
 817 {
 818         GtkTreeIter iter;
 819         GtkListStore *list_store = GTK_LIST_STORE(gtk_tree_view_get_model
 820                                         (GTK_TREE_VIEW(list_view)));
 821
 822         if (row_iter == NULL) {
 823                 /* append new */
 824                 gtk_list_store_append(list_store, &iter);
 825                 gtk_list_store_set(list_store, &iter,
 826                                    CUSTHDR_STRING, header,
 827                                    CUSTHDR_DATA,   data,
 828                                    -1);
 829         } else {
 830                 /* change existing */
 831                 CustomHeader *old_data;
 832
 833                 gtk_tree_model_get(GTK_TREE_MODEL(list_store), row_iter,
 834                                    CUSTHDR_DATA, &old_data,
 835                                    -1);
 836
 837                 custom_header_free(old_data);
 838
 839                 gtk_list_store_set(list_store, row_iter,
 840                                    CUSTHDR_STRING, header,
 841                                    CUSTHDR_DATA, data,
 842                                    -1);
 843         }
 844 }
 845
 846 static GtkWidget *prefs_custom_header_list_view_create(void)
 847 {
 848         GtkTreeView *list_view;
 849         GtkTreeSelection *selector;
 850         GtkTreeModel *model;
 851
 852         model = GTK_TREE_MODEL(prefs_custom_header_create_data_store());
 853         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
 854         g_object_unref(model);
 855
 856         gtk_tree_view_set_rules_hint(list_view, prefs_common.use_stripes_everywhere);
 857
 858         selector = gtk_tree_view_get_selection(list_view);
 859         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 860         gtk_tree_selection_set_select_function(selector, prefs_custom_header_selected,
 861                                                NULL, NULL);
 862
 863         /* create the columns */
 864         prefs_custom_header_create_list_view_columns(GTK_WIDGET(list_view));
 865
 866         return GTK_WIDGET(list_view);
 867 }
 868
 869 static void prefs_custom_header_create_list_view_columns(GtkWidget *list_view)
 870 {
 871         GtkTreeViewColumn *column;
 872         GtkCellRenderer *renderer;
 873
 874         renderer = gtk_cell_renderer_text_new();
 875         column = gtk_tree_view_column_new_with_attributes
 876                 (_("Current custom headers"),
 877                  renderer,
 878                  "text", CUSTHDR_STRING,
 879                  NULL);
 880         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 881 }
 882
 883 #define ENTRY_SET_TEXT(entry, str) \
 884         gtk_entry_set_text(GTK_ENTRY(entry), str ? str : "")
 885
 886 static gboolean prefs_custom_header_selected(GtkTreeSelection *selector,
 887                                              GtkTreeModel *model,
 888                                              GtkTreePath *path,
 889                                              gboolean currently_selected,
 890                                              gpointer data)
 891 {
 892         GtkTreeIter iter;
 893         CustomHeader *ch;
 894         GtkImage *preview;
 895         GdkPixbuf *pixbuf;
 896         CustomHeader default_ch = { 0, "", NULL };
 897
 898         if (currently_selected)
 899                 return TRUE;
 900
 901         if (!gtk_tree_model_get_iter(model, &iter, path))
 902                 return TRUE;
 903
 904         gtk_tree_model_get(model, &iter,
 905                            CUSTHDR_DATA, &ch,
 906                            -1);
 907
 908         if (!ch) ch = &default_ch;
 909
 910         ENTRY_SET_TEXT(customhdr.hdr_entry, ch->name);
 911         ENTRY_SET_TEXT(customhdr.val_entry, ch->value);
 912         if (!g_strcmp0("Face",ch->name)) {
 913                 preview = GTK_IMAGE(face_get_from_header (ch->value));
 914                 pixbuf = gtk_image_get_pixbuf(preview);
 915                 gtk_image_set_from_pixbuf (GTK_IMAGE(customhdr.preview), pixbuf);
 916                 gtk_widget_show(customhdr.preview);
 917 #if GLIB_CHECK_VERSION(2,10,0)
 918                 g_object_ref_sink (G_OBJECT(preview));
 919 #else
 920                 gtk_object_ref (G_OBJECT(preview));
 921                 gtk_object_sink (G_OBJECT(preview));
 922 #endif
 923         } else if (!g_strcmp0("X-Face", ch->name)) {
 924                 GdkColor color;
 925                 color.pixel = 0;
 926                 preview = GTK_IMAGE(xface_get_from_header(ch->value,
 927                                           &color,
 928                                           mainwindow_get_mainwindow()->window->window));
 929                 pixbuf = gtk_image_get_pixbuf(preview);
 930                 gtk_image_set_from_pixbuf (GTK_IMAGE(customhdr.preview), pixbuf);
 931                 gtk_widget_show(customhdr.preview);
 932 #if GLIB_CHECK_VERSION(2,10,0)
 933                 g_object_ref_sink (G_OBJECT(preview));
 934 #else
 935                 gtk_object_ref (G_OBJECT(preview));
 936                 gtk_object_sink (G_OBJECT(preview));
 937 #endif
 938         } else {
 939                 gtk_widget_hide(customhdr.preview);
 940         }
 941         return TRUE;
 942 }
 943
 944 #undef ENTRY_SET_TEXT