src/prefs_customheader.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #include "defs.h"
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <gtk/gtk.h>
  30 #include <gdk/gdkkeysyms.h>
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34 #include <errno.h>
  35
  36 #include "main.h"
  37 #include "prefs_gtk.h"
  38 #include "prefs_customheader.h"
  39 #include "prefs_common.h"
  40 #include "prefs_account.h"
  41 #include "mainwindow.h"
  42 #include "foldersel.h"
  43 #include "manage_window.h"
  44 #include "customheader.h"
  45 #include "folder.h"
  46 #include "utils.h"
  47 #include "gtkutils.h"
  48 #include "alertpanel.h"
  49 #include "filesel.h"
  50 #include "combobox.h"
  51 #include "file-utils.h"
  52
  53 enum {
  54         CUSTHDR_STRING,         /*!< display string managed by list store */
  55         CUSTHDR_DATA,           /*!< string managed by us */
  56         N_CUSTHDR_COLUMNS
  57 };
  58
  59 static struct CustomHdr {
  60         GtkWidget *window;
  61
  62         GtkWidget *ok_btn;
  63         GtkWidget *cancel_btn;
  64
  65         GtkWidget *hdr_combo;
  66         GtkWidget *hdr_entry;
  67         GtkWidget *val_entry;
  68         GtkWidget *preview;
  69         GtkWidget *list_view;
  70 } customhdr;
  71
  72 /* widget creating functions */
  73 static void prefs_custom_header_create  (void);
  74
  75 static void prefs_custom_header_set_dialog              (PrefsAccount *ac);
  76 static void prefs_custom_header_set_list                (PrefsAccount *ac);
  77 static void prefs_custom_header_list_view_set_row       (PrefsAccount *ac);
  78
  79 /* callback functions */
  80 static void prefs_custom_header_add_cb          (void);
  81 static void prefs_custom_header_val_from_file_cb(void);
  82 static void prefs_custom_header_delete_cb       (void);
  83 static void prefs_custom_header_up              (void);
  84 static void prefs_custom_header_down            (void);
  85
  86 static gboolean prefs_custom_header_key_pressed (GtkWidget      *widget,
  87                                                  GdkEventKey    *event,
  88                                                  gpointer        data);
  89 static void prefs_custom_header_ok              (void);
  90 static void prefs_custom_header_cancel          (void);
  91 static gint prefs_custom_header_deleted         (GtkWidget      *widget,
  92                                                  GdkEventAny    *event,
  93                                                  gpointer        data);
  94
  95 static GtkListStore* prefs_custom_header_create_data_store      (void);
  96
  97 static void prefs_custom_header_list_view_insert_header (GtkWidget *list_view,
  98                                                          GtkTreeIter *row_iter,
  99                                                          gchar *header,
 100                                                          gpointer data);
 101
 102 static GtkWidget *prefs_custom_header_list_view_create (void);
 103
 104 static void prefs_custom_header_create_list_view_columns        (GtkWidget *list_view);
 105
 106 static gboolean prefs_custom_header_selected    (GtkTreeSelection *selector,
 107                                                  GtkTreeModel *model,
 108                                                  GtkTreePath *path,
 109                                                  gboolean currently_selected,
 110                                                  gpointer data);
 111
 112
 113 static PrefsAccount *cur_ac = NULL;
 114
 115 void prefs_custom_header_open(PrefsAccount *ac)
 116 {
 117         if (!customhdr.window) {
 118                 prefs_custom_header_create();
 119         }
 120
 121         manage_window_set_transient(GTK_WINDOW(customhdr.window));
 122         gtk_widget_grab_focus(customhdr.ok_btn);
 123
 124         prefs_custom_header_set_dialog(ac);
 125
 126         cur_ac = ac;
 127
 128         gtk_widget_show(customhdr.window);
 129         gtk_window_set_modal(GTK_WINDOW(customhdr.window), TRUE);
 130 }
 131
 132 static void prefs_custom_header_create(void)
 133 {
 134         GtkWidget *window;
 135         GtkWidget *vbox;
 136
 137         GtkWidget *ok_btn;
 138         GtkWidget *cancel_btn;
 139
 140         GtkWidget *confirm_area;
 141
 142         GtkWidget *vbox1;
 143
 144         GtkWidget *table1;
 145         GtkWidget *hdr_label;
 146         GtkWidget *hdr_combo;
 147         GtkWidget *val_label;
 148         GtkWidget *val_entry;
 149         GtkWidget *val_btn;
 150
 151         GtkWidget *reg_hbox;
 152         GtkWidget *btn_hbox;
 153         GtkWidget *arrow;
 154         GtkWidget *add_btn;
 155         GtkWidget *del_btn;
 156         GtkWidget *preview;
 157
 158         GtkWidget *ch_hbox;
 159         GtkWidget *ch_scrolledwin;
 160         GtkWidget *list_view;
 161
 162         GtkWidget *btn_vbox;
 163         GtkWidget *up_btn;
 164         GtkWidget *down_btn;
 165
 166         debug_print("Creating custom header setting window...\n");
 167
 168         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_customheader");
 169         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 170         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 171         gtk_window_set_resizable(GTK_WINDOW (window), TRUE);
 172         gtk_window_set_type_hint(GTK_WINDOW(window), GDK_WINDOW_TYPE_HINT_DIALOG);
 173
 174         vbox = gtk_vbox_new (FALSE, 6);
 175         gtk_widget_show (vbox);
 176         gtk_container_add (GTK_CONTAINER (window), vbox);
 177
 178         gtkut_stock_button_set_create(&confirm_area, &cancel_btn, GTK_STOCK_CANCEL,
 179                                       &ok_btn, GTK_STOCK_OK,
 180                                       NULL, NULL);
 181         gtk_widget_show (confirm_area);
 182         gtk_box_pack_end (GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 183         gtk_widget_grab_default (ok_btn);
 184
 185         gtk_window_set_title (GTK_WINDOW(window), _("Custom header configuration"));
 186         MANAGE_WINDOW_SIGNALS_CONNECT (window);
 187         g_signal_connect (G_OBJECT(window), "delete_event",
 188                           G_CALLBACK(prefs_custom_header_deleted),
 189                           NULL);
 190         g_signal_connect (G_OBJECT(window), "key_press_event",
 191                           G_CALLBACK(prefs_custom_header_key_pressed),
 192                           NULL);
 193         g_signal_connect (G_OBJECT(ok_btn), "clicked",
 194                           G_CALLBACK(prefs_custom_header_ok), NULL);
 195         g_signal_connect (G_OBJECT(cancel_btn), "clicked",
 196                           G_CALLBACK(prefs_custom_header_cancel), NULL);
 197
 198         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 199         gtk_widget_show (vbox1);
 200         gtk_box_pack_start (GTK_BOX (vbox), vbox1, TRUE, TRUE, 0);
 201         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 202
 203         table1 = gtk_table_new (3, 2, FALSE);
 204         gtk_widget_show (table1);
 205         gtk_box_pack_start (GTK_BOX (vbox1), table1,
 206                             FALSE, FALSE, 0);
 207         gtk_table_set_row_spacings (GTK_TABLE (table1), 8);
 208         gtk_table_set_col_spacings (GTK_TABLE (table1), 8);
 209
 210         hdr_label = gtk_label_new (_("Header"));
 211         gtk_widget_show (hdr_label);
 212         gtk_table_attach (GTK_TABLE (table1), hdr_label, 0, 1, 0, 1,
 213                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 214                           0, 0, 0);
 215         gtk_misc_set_alignment (GTK_MISC (hdr_label), 0, 0.5);
 216
 217         hdr_combo = combobox_text_new(TRUE, "User-Agent", "Face", "X-Face",
 218                                       "X-Operating-System", NULL);
 219         gtk_table_attach (GTK_TABLE (table1), hdr_combo, 0, 1, 1, 2,
 220                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 221                           0, 0, 0);
 222
 223         val_label = gtk_label_new (_("Value"));
 224         gtk_widget_show (val_label);
 225         gtk_table_attach (GTK_TABLE (table1), val_label, 1, 2, 0, 1,
 226                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 227                           0, 0, 0);
 228         gtk_misc_set_alignment (GTK_MISC (val_label), 0, 0.5);
 229
 230         val_entry = gtk_entry_new ();
 231         gtk_widget_show (val_entry);
 232         gtk_table_attach (GTK_TABLE (table1), val_entry, 1, 2, 1, 2,
 233                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 234                           0, 0, 0);
 235
 236         val_btn = gtkut_get_browse_file_btn(_("Bro_wse"));
 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
 255         btn_hbox = gtk_hbox_new (TRUE, 4);
 256         gtk_widget_show (btn_hbox);
 257         gtk_box_pack_start (GTK_BOX (reg_hbox), btn_hbox, FALSE, FALSE, 0);
 258
 259         add_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 260         gtk_widget_show (add_btn);
 261         gtk_box_pack_start (GTK_BOX (btn_hbox), add_btn, FALSE, TRUE, 0);
 262         g_signal_connect (G_OBJECT (add_btn), "clicked",
 263                           G_CALLBACK (prefs_custom_header_add_cb),
 264                           NULL);
 265
 266         del_btn = gtk_button_new_from_stock (GTK_STOCK_DELETE);
 267         gtk_widget_show (del_btn);
 268         gtk_box_pack_start (GTK_BOX (btn_hbox), del_btn, FALSE, TRUE, 0);
 269         g_signal_connect (G_OBJECT (del_btn), "clicked",
 270                           G_CALLBACK (prefs_custom_header_delete_cb),
 271                           NULL);
 272
 273
 274         ch_hbox = gtk_hbox_new (FALSE, 8);
 275         gtk_widget_show (ch_hbox);
 276         gtk_box_pack_start (GTK_BOX (vbox1), ch_hbox, TRUE, TRUE, 0);
 277
 278         ch_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 279         gtk_widget_show (ch_scrolledwin);
 280         gtk_box_pack_start (GTK_BOX (ch_hbox), ch_scrolledwin, TRUE, TRUE, 0);
 281         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (ch_scrolledwin),
 282                                         GTK_POLICY_AUTOMATIC,
 283                                         GTK_POLICY_AUTOMATIC);
 284
 285         list_view = prefs_custom_header_list_view_create();
 286         gtk_widget_show (list_view);
 287         gtk_container_add (GTK_CONTAINER (ch_scrolledwin), list_view);
 288
 289         btn_vbox = gtk_vbox_new (FALSE, 8);
 290         gtk_widget_show (btn_vbox);
 291         gtk_box_pack_start (GTK_BOX (ch_hbox), btn_vbox, FALSE, FALSE, 0);
 292
 293         up_btn = gtk_button_new_from_stock (GTK_STOCK_GO_UP);
 294         gtk_widget_show (up_btn);
 295         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 296         g_signal_connect (G_OBJECT (up_btn), "clicked",
 297                           G_CALLBACK (prefs_custom_header_up), NULL);
 298
 299         down_btn = gtk_button_new_from_stock (GTK_STOCK_GO_DOWN);
 300         gtk_widget_show (down_btn);
 301         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 302         g_signal_connect (G_OBJECT (down_btn), "clicked",
 303                           G_CALLBACK (prefs_custom_header_down), NULL);
 304
 305         preview = gtk_image_new ();
 306         gtk_widget_show (preview);
 307         gtk_box_pack_start (GTK_BOX (btn_vbox), preview, FALSE, FALSE, 0);
 308
 309         gtk_widget_show_all(window);
 310
 311         customhdr.window     = window;
 312         customhdr.ok_btn     = ok_btn;
 313         customhdr.cancel_btn = cancel_btn;
 314         customhdr.preview = preview;
 315
 316         customhdr.hdr_combo  = hdr_combo;
 317         customhdr.hdr_entry  = gtk_bin_get_child(GTK_BIN((hdr_combo)));
 318         customhdr.val_entry  = val_entry;
 319
 320         customhdr.list_view   = list_view;
 321 }
 322
 323 void prefs_custom_header_read_config(PrefsAccount *ac)
 324 {
 325         gchar *rcpath;
 326         FILE *fp;
 327         gchar buf[PREFSBUFSIZE];
 328         CustomHeader *ch;
 329
 330         debug_print("Reading custom header configuration...\n");
 331
 332         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 333                              CUSTOM_HEADER_RC, NULL);
 334         if ((fp = claws_fopen(rcpath, "rb")) == NULL) {
 335                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "claws_fopen");
 336                 g_free(rcpath);
 337                 ac->customhdr_list = NULL;
 338                 return;
 339         }
 340         g_free(rcpath);
 341
 342         /* remove all previous headers list */
 343         while (ac->customhdr_list != NULL) {
 344                 ch = (CustomHeader *)ac->customhdr_list->data;
 345                 ac->customhdr_list = g_slist_remove(ac->customhdr_list, ch);
 346                 custom_header_free(ch);
 347         }
 348
 349         while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
 350                 ch = custom_header_read_str(buf);
 351                 if (ch) {
 352                         if (ch->account_id == ac->account_id) {
 353                                 ac->customhdr_list =
 354                                         g_slist_append(ac->customhdr_list, ch);
 355                         } else
 356                                 custom_header_free(ch);
 357                 }
 358         }
 359
 360         claws_fclose(fp);
 361 }
 362
 363 static void prefs_custom_header_write_config(PrefsAccount *ac)
 364 {
 365         gchar *rcpath;
 366         PrefFile *pfile;
 367         GSList *cur;
 368         gchar buf[PREFSBUFSIZE];
 369         FILE * fp;
 370         CustomHeader *ch;
 371
 372         GSList *all_hdrs = NULL;
 373
 374         debug_print("Writing custom header configuration...\n");
 375
 376         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 377                              CUSTOM_HEADER_RC, NULL);
 378
 379         if ((fp = claws_fopen(rcpath, "rb")) == NULL) {
 380                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "claws_fopen");
 381         } else {
 382                 all_hdrs = NULL;
 383
 384                 while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
 385                         ch = custom_header_read_str(buf);
 386                         if (ch) {
 387                                 if (ch->account_id != ac->account_id)
 388                                         all_hdrs =
 389                                                 g_slist_append(all_hdrs, ch);
 390                                 else
 391                                         custom_header_free(ch);
 392                         }
 393                 }
 394
 395                 claws_fclose(fp);
 396         }
 397
 398         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 399                 g_warning("failed to write configuration to file");
 400                 g_free(rcpath);
 401                 return;
 402         }
 403
 404         for (cur = all_hdrs; cur != NULL; cur = cur->next) {
 405                 CustomHeader *hdr = (CustomHeader *)cur->data;
 406                 gchar *chstr;
 407
 408                 chstr = custom_header_get_str(hdr);
 409                 if (claws_fputs(chstr, pfile->fp) == EOF ||
 410                     claws_fputc('\n', pfile->fp) == EOF) {
 411                         FILE_OP_ERROR(rcpath, "claws_fputs || claws_fputc");
 412                         prefs_file_close_revert(pfile);
 413                         g_free(rcpath);
 414                         g_free(chstr);
 415                         return;
 416                 }
 417                 g_free(chstr);
 418         }
 419
 420         for (cur = ac->customhdr_list; cur != NULL; cur = cur->next) {
 421                 CustomHeader *hdr = (CustomHeader *)cur->data;
 422                 gchar *chstr;
 423
 424                 chstr = custom_header_get_str(hdr);
 425                 if (claws_fputs(chstr, pfile->fp) == EOF ||
 426                     claws_fputc('\n', pfile->fp) == EOF) {
 427                         FILE_OP_ERROR(rcpath, "claws_fputs || claws_fputc");
 428                         prefs_file_close_revert(pfile);
 429                         g_free(rcpath);
 430                         g_free(chstr);
 431                         return;
 432                 }
 433                 g_free(chstr);
 434         }
 435
 436         g_free(rcpath);
 437
 438         while (all_hdrs != NULL) {
 439                 ch = (CustomHeader *)all_hdrs->data;
 440                 all_hdrs = g_slist_remove(all_hdrs, ch);
 441                 custom_header_free(ch);
 442         }
 443
 444         if (prefs_file_close(pfile) < 0) {
 445                 g_warning("failed to write configuration to file");
 446                 return;
 447         }
 448 }
 449
 450 static void prefs_custom_header_set_dialog(PrefsAccount *ac)
 451 {
 452         GtkListStore *store;
 453         GSList *cur;
 454
 455         store = GTK_LIST_STORE(gtk_tree_view_get_model
 456                                 (GTK_TREE_VIEW(customhdr.list_view)));
 457         gtk_list_store_clear(store);
 458
 459         for (cur = ac->customhdr_list; cur != NULL; cur = cur->next) {
 460                 CustomHeader *ch = (CustomHeader *)cur->data;
 461                 gchar *ch_str;
 462
 463                 ch_str = g_strdup_printf("%s: %s", ch->name,
 464                                          ch->value ? ch->value : "");
 465
 466                 prefs_custom_header_list_view_insert_header
 467                         (customhdr.list_view, NULL, ch_str, ch);
 468
 469                 g_free(ch_str);
 470         }
 471 }
 472
 473 static void prefs_custom_header_set_list(PrefsAccount *ac)
 474 {
 475         CustomHeader *ch;
 476         GtkTreeIter iter;
 477         GtkListStore *store;
 478
 479         g_slist_free(ac->customhdr_list);
 480         ac->customhdr_list = NULL;
 481
 482         store = GTK_LIST_STORE(gtk_tree_view_get_model
 483                                 (GTK_TREE_VIEW(customhdr.list_view)));
 484
 485         if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter)) {
 486                 do {
 487                         gtk_tree_model_get(GTK_TREE_MODEL(store), &iter,
 488                                            CUSTHDR_DATA, &ch,
 489                                            -1);
 490                         ac->customhdr_list = g_slist_append(ac->customhdr_list, ch);
 491                 } while (gtk_tree_model_iter_next(GTK_TREE_MODEL(store),
 492                                                   &iter));
 493         }
 494 }
 495
 496 static void prefs_custom_header_list_view_set_row(PrefsAccount *ac)
 497 {
 498         CustomHeader *ch;
 499         const gchar *entry_text;
 500         gchar *ch_str;
 501
 502         entry_text = gtk_entry_get_text(GTK_ENTRY(customhdr.hdr_entry));
 503         if (entry_text[0] == '\0') {
 504                 alertpanel_error(_("Header name is not set."));
 505                 return;
 506         }
 507
 508         while (*entry_text &&
 509                (*entry_text == '\n' || *entry_text == '\r' ||
 510                 *entry_text == '\t' || *entry_text == ' '))
 511                 entry_text++;
 512
 513         if (!custom_header_is_allowed(entry_text)) {
 514                 alertpanel_error(_("This Header name is not allowed as a custom header."));
 515                 return;
 516         }
 517
 518         ch = g_new0(CustomHeader, 1);
 519
 520         ch->account_id = ac->account_id;
 521
 522         ch->name = g_strdup(entry_text);
 523         unfold_line(ch->name);
 524         g_strstrip(ch->name);
 525         gtk_entry_set_text(GTK_ENTRY(customhdr.hdr_entry), ch->name);
 526
 527         entry_text = gtk_entry_get_text(GTK_ENTRY(customhdr.val_entry));
 528         while (*entry_text &&
 529                (*entry_text == '\n' || *entry_text == '\r' ||
 530                 *entry_text == '\t' || *entry_text == ' '))
 531                 entry_text++;
 532
 533         if (entry_text[0] != '\0') {
 534                 ch->value = g_strdup(entry_text);
 535                 unfold_line(ch->value);
 536                 g_strstrip(ch->value);
 537                 gtk_entry_set_text(GTK_ENTRY(customhdr.val_entry), ch->value);
 538         }
 539
 540         ch_str = g_strdup_printf("%s: %s", ch->name,
 541                                  ch->value ? ch->value : "");
 542
 543         prefs_custom_header_list_view_insert_header
 544                 (customhdr.list_view, NULL, ch_str, ch);
 545
 546         g_free(ch_str);
 547
 548         prefs_custom_header_set_list(cur_ac);
 549
 550 }
 551
 552 #define B64_LINE_SIZE           57
 553 #define B64_BUFFSIZE            77
 554 static void prefs_custom_header_val_from_file_cb(void)
 555 {
 556         gchar *filename = NULL;
 557         gchar *contents = NULL;
 558         const gchar *hdr = gtk_entry_get_text(GTK_ENTRY(customhdr.hdr_entry));
 559
 560         if (!strcmp(hdr, "Face"))
 561                 filename = filesel_select_file_open(_("Choose a PNG file"), NULL);
 562         else if (!strcmp(hdr, "X-Face"))
 563                 filename = filesel_select_file_open(_("Choose an XBM file"), NULL);
 564         else
 565                 filename = filesel_select_file_open(_("Choose a text file"), NULL);
 566
 567         if (!strcmp(hdr, "Face") || !strcmp(hdr, "X-Face")) {
 568                 if (filename && is_file_exist(filename)) {
 569                         FILE *fp = NULL;
 570                         gint len;
 571                         gchar inbuf[B64_LINE_SIZE], *outbuf;
 572                         gchar *tmp = NULL;
 573                         gint w, h;
 574                         GdkPixbufFormat *format = gdk_pixbuf_get_file_info(
 575                                                         filename, &w, &h);
 576
 577                         if (format == NULL) {
 578                                 alertpanel_error(_("This file isn't an image."));
 579                                 g_free(filename);
 580                                 return;
 581                         }
 582                         if (w != 48 || h != 48) {
 583                                 alertpanel_error(_("The chosen image isn't the correct size (48x48)."));
 584                                 g_free(filename);
 585                                 return;
 586                         }
 587                         if (!strcmp(hdr, "Face")) {
 588                                 if (get_file_size(filename) > 725) {
 589                                         alertpanel_error(_("The image is too big; it must be maximum 725 bytes."));
 590                                         g_free(filename);
 591                                         return;
 592                                 }
 593                                 if (g_ascii_strcasecmp("png", gdk_pixbuf_format_get_name(format))) {
 594                                         alertpanel_error(_("The image isn't in the correct format (PNG)."));
 595                                         g_print("%s\n", gdk_pixbuf_format_get_name(format));
 596                                         g_free(filename);
 597                                         return;
 598                                 }
 599                         } else if (!strcmp(hdr, "X-Face")) {
 600                                 gchar *tmp = NULL, *cmd = NULL;
 601                                 int i = 0;
 602                                 if (g_ascii_strcasecmp("xbm", gdk_pixbuf_format_get_name(format))) {
 603                                         alertpanel_error(_("The image isn't in the correct format (XBM)."));
 604                                         g_print("%s\n", gdk_pixbuf_format_get_name(format));
 605                                         g_free(filename);
 606                                         return;
 607                                 }
 608                                 cmd = g_strdup_printf("compface %s", filename);
 609                                 tmp = get_command_output(cmd);
 610                                 g_free(cmd);
 611                                 if (tmp == NULL || *tmp == '\0') {
 612                                         alertpanel_error(_("Couldn't call `compface`. Make sure it's in your $PATH."));
 613                                         g_free(filename);
 614                                         g_free(tmp);
 615                                         return;
 616                                 }
 617                                 if (strstr(tmp, "compface:")) {
 618                                         alertpanel_error(_("Compface error: %s"), tmp);
 619                                         g_free(filename);
 620                                         g_free(tmp);
 621                                         return;
 622                                 }
 623                                 while (tmp[i]) {
 624                                         gchar *tmp2 = NULL;
 625                                         if (tmp[i] == ' ') {
 626                                                 i++; continue;
 627                                         }
 628                                         if (tmp[i] == '\r' || tmp[i] == '\n') {
 629                                                 i++; continue;
 630                                         }
 631                                         tmp2 = contents;
 632                                         contents = g_strdup_printf("%s%c",tmp2?tmp2:"", tmp[i]);
 633                                         g_free(tmp2);
 634                                         i++;
 635                                 }
 636                                 g_free(tmp);
 637                                 goto settext;
 638                         }
 639
 640                         fp = claws_fopen(filename, "rb");
 641                         if (!fp) {
 642                                 g_free(filename);
 643                                 return;
 644                         }
 645
 646                         while ((len = claws_fread(inbuf, sizeof(gchar),
 647                                             B64_LINE_SIZE, fp))
 648                                == B64_LINE_SIZE) {
 649                                 outbuf = g_base64_encode(inbuf, B64_LINE_SIZE);
 650
 651                                 tmp = contents;
 652                                 contents = g_strconcat(tmp?tmp:"",outbuf, NULL);
 653                                 g_free(outbuf);
 654                                 g_free(tmp);
 655                         }
 656                         if (len > 0 && claws_feof(fp)) {
 657                                 tmp = contents;
 658                                 outbuf = g_base64_encode(inbuf, len);
 659                                 contents = g_strconcat(tmp?tmp:"",outbuf, NULL);
 660                                 g_free(outbuf);
 661                                 g_free(tmp);
 662                         }
 663                         claws_fclose(fp);
 664                 }
 665         } else {
 666                 if (!filename)
 667                         return;
 668
 669                 contents = file_read_to_str(filename);
 670                 if (strchr(contents, '\n') || strchr(contents,'\r')) {
 671                         alertpanel_error(_("This file contains newlines."));
 672                         g_free(contents);
 673                         g_free(filename);
 674                         return;
 675                 }
 676         }
 677 settext:
 678         if (contents && strlen(contents))
 679                 gtk_entry_set_text(GTK_ENTRY(customhdr.val_entry), contents);
 680
 681         g_free(contents);
 682         g_free(filename);
 683 }
 684
 685 static void prefs_custom_header_add_cb(void)
 686 {
 687         prefs_custom_header_list_view_set_row(cur_ac);
 688 }
 689
 690 static void prefs_custom_header_delete_cb(void)
 691 {
 692         GtkTreeIter sel;
 693         GtkTreeModel *model;
 694         CustomHeader *ch;
 695
 696         if (!gtk_tree_selection_get_selected(gtk_tree_view_get_selection
 697                                 (GTK_TREE_VIEW(customhdr.list_view)),
 698                                 &model, &sel))
 699                 return;
 700
 701         if (alertpanel(_("Delete header"),
 702                        _("Do you really want to delete this header?"),
 703                        GTK_STOCK_CANCEL, GTK_STOCK_DELETE, NULL, ALERTFOCUS_FIRST) != G_ALERTALTERNATE)
 704                 return;
 705
 706         gtk_tree_model_get(model, &sel,
 707                            CUSTHDR_DATA, &ch,
 708                            -1);
 709         gtk_list_store_remove(GTK_LIST_STORE(model), &sel);
 710
 711         cur_ac->customhdr_list = g_slist_remove(cur_ac->customhdr_list, ch);
 712
 713         custom_header_free(ch);
 714 }
 715
 716 static void prefs_custom_header_up(void)
 717 {
 718         GtkTreePath *prev, *sel;
 719         GtkTreeIter isel;
 720         GtkListStore *store = NULL;
 721         GtkTreeModel *model = NULL;
 722         GtkTreeIter iprev;
 723
 724         if (!gtk_tree_selection_get_selected
 725                 (gtk_tree_view_get_selection
 726                         (GTK_TREE_VIEW(customhdr.list_view)),
 727                  &model,
 728                  &isel))
 729                 return;
 730         store = (GtkListStore *)model;
 731         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &isel);
 732         if (!sel)
 733                 return;
 734
 735         /* no move if we're at row 0... */
 736         prev = gtk_tree_path_copy(sel);
 737         if (!gtk_tree_path_prev(prev)) {
 738                 gtk_tree_path_free(prev);
 739                 gtk_tree_path_free(sel);
 740                 return;
 741         }
 742
 743         gtk_tree_model_get_iter(GTK_TREE_MODEL(store),
 744                                 &iprev, prev);
 745         gtk_tree_path_free(sel);
 746         gtk_tree_path_free(prev);
 747
 748         gtk_list_store_swap(store, &iprev, &isel);
 749         prefs_custom_header_set_list(cur_ac);
 750 }
 751
 752 static void prefs_custom_header_down(void)
 753 {
 754         GtkListStore *store = NULL;
 755         GtkTreeModel *model = NULL;
 756         GtkTreeIter next, sel;
 757
 758         if (!gtk_tree_selection_get_selected
 759                 (gtk_tree_view_get_selection
 760                         (GTK_TREE_VIEW(customhdr.list_view)),
 761                  &model,
 762                  &sel))
 763                 return;
 764         store = (GtkListStore *)model;
 765         next = sel;
 766         if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &next))
 767                 return;
 768
 769         gtk_list_store_swap(store, &next, &sel);
 770         prefs_custom_header_set_list(cur_ac);
 771 }
 772
 773 static gboolean prefs_custom_header_key_pressed(GtkWidget *widget,
 774                                                 GdkEventKey *event,
 775                                                 gpointer data)
 776 {
 777         if (event && event->keyval == GDK_KEY_Escape)
 778                 prefs_custom_header_cancel();
 779         return FALSE;
 780 }
 781
 782 static void prefs_custom_header_ok(void)
 783 {
 784         prefs_custom_header_write_config(cur_ac);
 785         gtk_widget_hide(customhdr.window);
 786         gtk_window_set_modal(GTK_WINDOW(customhdr.window), FALSE);
 787 }
 788
 789 static void prefs_custom_header_cancel(void)
 790 {
 791         prefs_custom_header_read_config(cur_ac);
 792         gtk_widget_hide(customhdr.window);
 793         gtk_window_set_modal(GTK_WINDOW(customhdr.window), FALSE);
 794 }
 795
 796 static gint prefs_custom_header_deleted(GtkWidget *widget, GdkEventAny *event,
 797                                         gpointer data)
 798 {
 799         prefs_custom_header_cancel();
 800         return TRUE;
 801 }
 802
 803 static GtkListStore* prefs_custom_header_create_data_store(void)
 804 {
 805         return gtk_list_store_new(N_CUSTHDR_COLUMNS,
 806                                   G_TYPE_STRING,
 807                                   G_TYPE_POINTER,
 808                                   -1);
 809 }
 810
 811 static void prefs_custom_header_list_view_insert_header(GtkWidget *list_view,
 812                                                         GtkTreeIter *row_iter,
 813                                                         gchar *header,
 814                                                         gpointer data)
 815 {
 816         GtkTreeIter iter;
 817         GtkListStore *list_store = GTK_LIST_STORE(gtk_tree_view_get_model
 818                                         (GTK_TREE_VIEW(list_view)));
 819
 820         if (row_iter == NULL) {
 821                 /* append new */
 822                 gtk_list_store_append(list_store, &iter);
 823                 gtk_list_store_set(list_store, &iter,
 824                                    CUSTHDR_STRING, header,
 825                                    CUSTHDR_DATA,   data,
 826                                    -1);
 827         } else {
 828                 /* change existing */
 829                 CustomHeader *old_data;
 830
 831                 gtk_tree_model_get(GTK_TREE_MODEL(list_store), row_iter,
 832                                    CUSTHDR_DATA, &old_data,
 833                                    -1);
 834
 835                 custom_header_free(old_data);
 836
 837                 gtk_list_store_set(list_store, row_iter,
 838                                    CUSTHDR_STRING, header,
 839                                    CUSTHDR_DATA, data,
 840                                    -1);
 841         }
 842 }
 843
 844 static GtkWidget *prefs_custom_header_list_view_create(void)
 845 {
 846         GtkTreeView *list_view;
 847         GtkTreeSelection *selector;
 848         GtkTreeModel *model;
 849
 850         model = GTK_TREE_MODEL(prefs_custom_header_create_data_store());
 851         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
 852         g_object_unref(model);
 853
 854         gtk_tree_view_set_rules_hint(list_view, prefs_common.use_stripes_everywhere);
 855         gtk_tree_view_set_reorderable(list_view, TRUE);
 856
 857         selector = gtk_tree_view_get_selection(list_view);
 858         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 859         gtk_tree_selection_set_select_function(selector, prefs_custom_header_selected,
 860                                                NULL, NULL);
 861
 862         /* create the columns */
 863         prefs_custom_header_create_list_view_columns(GTK_WIDGET(list_view));
 864
 865         return GTK_WIDGET(list_view);
 866 }
 867
 868 static void prefs_custom_header_create_list_view_columns(GtkWidget *list_view)
 869 {
 870         GtkTreeViewColumn *column;
 871         GtkCellRenderer *renderer;
 872
 873         renderer = gtk_cell_renderer_text_new();
 874         column = gtk_tree_view_column_new_with_attributes
 875                 (_("Current custom headers"),
 876                  renderer,
 877                  "text", CUSTHDR_STRING,
 878                  NULL);
 879         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 880 }
 881
 882 #define ENTRY_SET_TEXT(entry, str) \
 883         gtk_entry_set_text(GTK_ENTRY(entry), str ? str : "")
 884
 885 static gboolean prefs_custom_header_selected(GtkTreeSelection *selector,
 886                                              GtkTreeModel *model,
 887                                              GtkTreePath *path,
 888                                              gboolean currently_selected,
 889                                              gpointer data)
 890 {
 891         GtkTreeIter iter;
 892         CustomHeader *ch;
 893         GtkImage *preview;
 894         GdkPixbuf *pixbuf;
 895         CustomHeader default_ch = { 0, "", NULL };
 896
 897         if (currently_selected)
 898                 return TRUE;
 899
 900         if (!gtk_tree_model_get_iter(model, &iter, path))
 901                 return TRUE;
 902
 903         gtk_tree_model_get(model, &iter,
 904                            CUSTHDR_DATA, &ch,
 905                            -1);
 906
 907         if (!ch) ch = &default_ch;
 908
 909         ENTRY_SET_TEXT(customhdr.hdr_entry, ch->name);
 910         ENTRY_SET_TEXT(customhdr.val_entry, ch->value);
 911         if (!g_strcmp0("Face",ch->name)) {
 912                 preview = GTK_IMAGE(face_get_from_header (ch->value));
 913                 pixbuf = gtk_image_get_pixbuf(preview);
 914                 gtk_image_set_from_pixbuf (GTK_IMAGE(customhdr.preview), pixbuf);
 915                 gtk_widget_show(customhdr.preview);
 916                 g_object_ref_sink (G_OBJECT(preview));
 917         }
 918 #if HAVE_LIBCOMPFACE
 919 else if (!g_strcmp0("X-Face", ch->name)) {
 920                 preview = GTK_IMAGE(xface_get_from_header(ch->value));
 921                 pixbuf = gtk_image_get_pixbuf(preview);
 922                 gtk_image_set_from_pixbuf (GTK_IMAGE(customhdr.preview), pixbuf);
 923                 gtk_widget_show(customhdr.preview);
 924                 g_object_ref_sink (G_OBJECT(preview));
 925         }
 926 #endif
 927 else {
 928                 gtk_widget_hide(customhdr.preview);
 929         }
 930         return TRUE;
 931 }
 932
 933 #undef ENTRY_SET_TEXT