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 "base64.h"
  50 #include "filesel.h"
  51 #include "combobox.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
 173         vbox = gtk_vbox_new (FALSE, 6);
 174         gtk_widget_show (vbox);
 175         gtk_container_add (GTK_CONTAINER (window), vbox);
 176
 177         gtkut_stock_button_set_create(&confirm_area, &cancel_btn, GTK_STOCK_CANCEL,
 178                                       &ok_btn, GTK_STOCK_OK,
 179                                       NULL, NULL);
 180         gtk_widget_show (confirm_area);
 181         gtk_box_pack_end (GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 182         gtk_widget_grab_default (ok_btn);
 183
 184         gtk_window_set_title (GTK_WINDOW(window), _("Custom header configuration"));
 185         MANAGE_WINDOW_SIGNALS_CONNECT (window);
 186         g_signal_connect (G_OBJECT(window), "delete_event",
 187                           G_CALLBACK(prefs_custom_header_deleted),
 188                           NULL);
 189         g_signal_connect (G_OBJECT(window), "key_press_event",
 190                           G_CALLBACK(prefs_custom_header_key_pressed),
 191                           NULL);
 192         g_signal_connect (G_OBJECT(ok_btn), "clicked",
 193                           G_CALLBACK(prefs_custom_header_ok), NULL);
 194         g_signal_connect (G_OBJECT(cancel_btn), "clicked",
 195                           G_CALLBACK(prefs_custom_header_cancel), NULL);
 196
 197         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 198         gtk_widget_show (vbox1);
 199         gtk_box_pack_start (GTK_BOX (vbox), vbox1, TRUE, TRUE, 0);
 200         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 201
 202         table1 = gtk_table_new (3, 2, FALSE);
 203         gtk_widget_show (table1);
 204         gtk_box_pack_start (GTK_BOX (vbox1), table1,
 205                             FALSE, FALSE, 0);
 206         gtk_table_set_row_spacings (GTK_TABLE (table1), 8);
 207         gtk_table_set_col_spacings (GTK_TABLE (table1), 8);
 208
 209         hdr_label = gtk_label_new (_("Header"));
 210         gtk_widget_show (hdr_label);
 211         gtk_table_attach (GTK_TABLE (table1), hdr_label, 0, 1, 0, 1,
 212                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 213                           0, 0, 0);
 214         gtk_misc_set_alignment (GTK_MISC (hdr_label), 0, 0.5);
 215
 216         hdr_combo = combobox_text_new(TRUE, "User-Agent", "Face", "X-Face",
 217                                       "X-Operating-System", NULL);
 218         gtk_table_attach (GTK_TABLE (table1), hdr_combo, 0, 1, 1, 2,
 219                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 220                           0, 0, 0);
 221         gtk_widget_set_size_request (hdr_combo, 150, -1);
 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         gtk_widget_set_size_request (val_entry, 200, -1);
 236
 237         val_btn = gtkut_get_browse_file_btn(_("Bro_wse"));
 238         gtk_widget_show (val_btn);
 239         gtk_table_attach (GTK_TABLE (table1), val_btn, 2, 3, 1, 2,
 240                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 241                           0, 0, 0);
 242         g_signal_connect (G_OBJECT (val_btn), "clicked",
 243                           G_CALLBACK (prefs_custom_header_val_from_file_cb),
 244                           NULL);
 245
 246         /* add / delete */
 247
 248         reg_hbox = gtk_hbox_new (FALSE, 4);
 249         gtk_widget_show (reg_hbox);
 250         gtk_box_pack_start (GTK_BOX (vbox1), reg_hbox, FALSE, FALSE, 0);
 251
 252         arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 253         gtk_widget_show (arrow);
 254         gtk_box_pack_start (GTK_BOX (reg_hbox), arrow, FALSE, FALSE, 0);
 255         gtk_widget_set_size_request (arrow, -1, 16);
 256
 257         btn_hbox = gtk_hbox_new (TRUE, 4);
 258         gtk_widget_show (btn_hbox);
 259         gtk_box_pack_start (GTK_BOX (reg_hbox), btn_hbox, FALSE, FALSE, 0);
 260
 261         add_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 262         gtk_widget_show (add_btn);
 263         gtk_box_pack_start (GTK_BOX (btn_hbox), add_btn, FALSE, TRUE, 0);
 264         g_signal_connect (G_OBJECT (add_btn), "clicked",
 265                           G_CALLBACK (prefs_custom_header_add_cb),
 266                           NULL);
 267
 268         del_btn = gtk_button_new_from_stock (GTK_STOCK_DELETE);
 269         gtk_widget_show (del_btn);
 270         gtk_box_pack_start (GTK_BOX (btn_hbox), del_btn, FALSE, TRUE, 0);
 271         g_signal_connect (G_OBJECT (del_btn), "clicked",
 272                           G_CALLBACK (prefs_custom_header_delete_cb),
 273                           NULL);
 274
 275
 276         ch_hbox = gtk_hbox_new (FALSE, 8);
 277         gtk_widget_show (ch_hbox);
 278         gtk_box_pack_start (GTK_BOX (vbox1), ch_hbox, TRUE, TRUE, 0);
 279
 280         ch_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 281         gtk_widget_set_size_request (ch_scrolledwin, -1, 200);
 282         gtk_widget_show (ch_scrolledwin);
 283         gtk_box_pack_start (GTK_BOX (ch_hbox), ch_scrolledwin, TRUE, TRUE, 0);
 284         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (ch_scrolledwin),
 285                                         GTK_POLICY_AUTOMATIC,
 286                                         GTK_POLICY_AUTOMATIC);
 287
 288         list_view = prefs_custom_header_list_view_create();
 289         gtk_widget_show (list_view);
 290         gtk_container_add (GTK_CONTAINER (ch_scrolledwin), list_view);
 291
 292         btn_vbox = gtk_vbox_new (FALSE, 8);
 293         gtk_widget_show (btn_vbox);
 294         gtk_box_pack_start (GTK_BOX (ch_hbox), btn_vbox, FALSE, FALSE, 0);
 295
 296         up_btn = gtk_button_new_from_stock (GTK_STOCK_GO_UP);
 297         gtk_widget_show (up_btn);
 298         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 299         g_signal_connect (G_OBJECT (up_btn), "clicked",
 300                           G_CALLBACK (prefs_custom_header_up), NULL);
 301
 302         down_btn = gtk_button_new_from_stock (GTK_STOCK_GO_DOWN);
 303         gtk_widget_show (down_btn);
 304         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 305         g_signal_connect (G_OBJECT (down_btn), "clicked",
 306                           G_CALLBACK (prefs_custom_header_down), NULL);
 307
 308         preview = gtk_image_new ();
 309         gtk_widget_show (preview);
 310         gtk_box_pack_start (GTK_BOX (btn_vbox), preview, FALSE, FALSE, 0);
 311
 312         gtk_widget_show_all(window);
 313
 314         customhdr.window     = window;
 315         customhdr.ok_btn     = ok_btn;
 316         customhdr.cancel_btn = cancel_btn;
 317         customhdr.preview = preview;
 318
 319         customhdr.hdr_combo  = hdr_combo;
 320         customhdr.hdr_entry  = gtk_bin_get_child(GTK_BIN((hdr_combo)));
 321         customhdr.val_entry  = val_entry;
 322
 323         customhdr.list_view   = list_view;
 324 }
 325
 326 void prefs_custom_header_read_config(PrefsAccount *ac)
 327 {
 328         gchar *rcpath;
 329         FILE *fp;
 330         gchar buf[PREFSBUFSIZE];
 331         CustomHeader *ch;
 332
 333         debug_print("Reading custom header configuration...\n");
 334
 335         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 336                              CUSTOM_HEADER_RC, NULL);
 337         if ((fp = g_fopen(rcpath, "rb")) == NULL) {
 338                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 339                 g_free(rcpath);
 340                 ac->customhdr_list = NULL;
 341                 return;
 342         }
 343         g_free(rcpath);
 344
 345         /* remove all previous headers list */
 346         while (ac->customhdr_list != NULL) {
 347                 ch = (CustomHeader *)ac->customhdr_list->data;
 348                 ac->customhdr_list = g_slist_remove(ac->customhdr_list, ch);
 349                 custom_header_free(ch);
 350         }
 351
 352         while (fgets(buf, sizeof(buf), fp) != NULL) {
 353                 ch = custom_header_read_str(buf);
 354                 if (ch) {
 355                         if (ch->account_id == ac->account_id) {
 356                                 ac->customhdr_list =
 357                                         g_slist_append(ac->customhdr_list, ch);
 358                         } else
 359                                 custom_header_free(ch);
 360                 }
 361         }
 362
 363         fclose(fp);
 364 }
 365
 366 static void prefs_custom_header_write_config(PrefsAccount *ac)
 367 {
 368         gchar *rcpath;
 369         PrefFile *pfile;
 370         GSList *cur;
 371         gchar buf[PREFSBUFSIZE];
 372         FILE * fp;
 373         CustomHeader *ch;
 374
 375         GSList *all_hdrs = NULL;
 376
 377         debug_print("Writing custom header configuration...\n");
 378
 379         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 380                              CUSTOM_HEADER_RC, NULL);
 381
 382         if ((fp = g_fopen(rcpath, "rb")) == NULL) {
 383                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 384         } else {
 385                 all_hdrs = NULL;
 386
 387                 while (fgets(buf, sizeof(buf), fp) != NULL) {
 388                         ch = custom_header_read_str(buf);
 389                         if (ch) {
 390                                 if (ch->account_id != ac->account_id)
 391                                         all_hdrs =
 392                                                 g_slist_append(all_hdrs, ch);
 393                                 else
 394                                         custom_header_free(ch);
 395                         }
 396                 }
 397
 398                 fclose(fp);
 399         }
 400
 401         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 402                 g_warning("failed to write configuration to file\n");
 403                 g_free(rcpath);
 404                 return;
 405         }
 406
 407         for (cur = all_hdrs; cur != NULL; cur = cur->next) {
 408                 CustomHeader *hdr = (CustomHeader *)cur->data;
 409                 gchar *chstr;
 410
 411                 chstr = custom_header_get_str(hdr);
 412                 if (fputs(chstr, pfile->fp) == EOF ||
 413                     fputc('\n', pfile->fp) == EOF) {
 414                         FILE_OP_ERROR(rcpath, "fputs || fputc");
 415                         prefs_file_close_revert(pfile);
 416                         g_free(rcpath);
 417                         g_free(chstr);
 418                         return;
 419                 }
 420                 g_free(chstr);
 421         }
 422
 423         for (cur = ac->customhdr_list; cur != NULL; cur = cur->next) {
 424                 CustomHeader *hdr = (CustomHeader *)cur->data;
 425                 gchar *chstr;
 426
 427                 chstr = custom_header_get_str(hdr);
 428                 if (fputs(chstr, pfile->fp) == EOF ||
 429                     fputc('\n', pfile->fp) == EOF) {
 430                         FILE_OP_ERROR(rcpath, "fputs || fputc");
 431                         prefs_file_close_revert(pfile);
 432                         g_free(rcpath);
 433                         g_free(chstr);
 434                         return;
 435                 }
 436                 g_free(chstr);
 437         }
 438
 439         g_free(rcpath);
 440
 441         while (all_hdrs != NULL) {
 442                 ch = (CustomHeader *)all_hdrs->data;
 443                 all_hdrs = g_slist_remove(all_hdrs, ch);
 444                 custom_header_free(ch);
 445         }
 446
 447         if (prefs_file_close(pfile) < 0) {
 448                 g_warning("failed to write configuration to file\n");
 449                 return;
 450         }
 451 }
 452
 453 static void prefs_custom_header_set_dialog(PrefsAccount *ac)
 454 {
 455         GtkListStore *store;
 456         GSList *cur;
 457
 458         store = GTK_LIST_STORE(gtk_tree_view_get_model
 459                                 (GTK_TREE_VIEW(customhdr.list_view)));
 460         gtk_list_store_clear(store);
 461
 462         for (cur = ac->customhdr_list; cur != NULL; cur = cur->next) {
 463                 CustomHeader *ch = (CustomHeader *)cur->data;
 464                 gchar *ch_str;
 465
 466                 ch_str = g_strdup_printf("%s: %s", ch->name,
 467                                          ch->value ? ch->value : "");
 468
 469                 prefs_custom_header_list_view_insert_header
 470                         (customhdr.list_view, NULL, ch_str, ch);
 471
 472                 g_free(ch_str);
 473         }
 474 }
 475
 476 static void prefs_custom_header_set_list(PrefsAccount *ac)
 477 {
 478         CustomHeader *ch;
 479         GtkTreeIter iter;
 480         GtkListStore *store;
 481
 482         g_slist_free(ac->customhdr_list);
 483         ac->customhdr_list = NULL;
 484
 485         store = GTK_LIST_STORE(gtk_tree_view_get_model
 486                                 (GTK_TREE_VIEW(customhdr.list_view)));
 487
 488         if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter)) {
 489                 do {
 490                         gtk_tree_model_get(GTK_TREE_MODEL(store), &iter,
 491                                            CUSTHDR_DATA, &ch,
 492                                            -1);
 493                         ac->customhdr_list = g_slist_append(ac->customhdr_list, ch);
 494                 } while (gtk_tree_model_iter_next(GTK_TREE_MODEL(store),
 495                                                   &iter));
 496         }
 497 }
 498
 499 static void prefs_custom_header_list_view_set_row(PrefsAccount *ac)
 500 {
 501         CustomHeader *ch;
 502         const gchar *entry_text;
 503         gchar *ch_str;
 504
 505         entry_text = gtk_entry_get_text(GTK_ENTRY(customhdr.hdr_entry));
 506         if (entry_text[0] == '\0') {
 507                 alertpanel_error(_("Header name is not set."));
 508                 return;
 509         }
 510
 511         while (*entry_text &&
 512                (*entry_text == '\n' || *entry_text == '\r' ||
 513                 *entry_text == '\t' || *entry_text == ' '))
 514                 entry_text++;
 515
 516         if (!custom_header_is_allowed(entry_text)) {
 517                 alertpanel_error(_("This Header name is not allowed as a custom header."));
 518                 return;
 519         }
 520
 521         ch = g_new0(CustomHeader, 1);
 522
 523         ch->account_id = ac->account_id;
 524
 525         ch->name = g_strdup(entry_text);
 526         unfold_line(ch->name);
 527         g_strstrip(ch->name);
 528         gtk_entry_set_text(GTK_ENTRY(customhdr.hdr_entry), ch->name);
 529
 530         entry_text = gtk_entry_get_text(GTK_ENTRY(customhdr.val_entry));
 531         while (*entry_text &&
 532                (*entry_text == '\n' || *entry_text == '\r' ||
 533                 *entry_text == '\t' || *entry_text == ' '))
 534                 entry_text++;
 535
 536         if (entry_text[0] != '\0') {
 537                 ch->value = g_strdup(entry_text);
 538                 unfold_line(ch->value);
 539                 g_strstrip(ch->value);
 540                 gtk_entry_set_text(GTK_ENTRY(customhdr.val_entry), ch->value);
 541         }
 542
 543         ch_str = g_strdup_printf("%s: %s", ch->name,
 544                                  ch->value ? ch->value : "");
 545
 546         prefs_custom_header_list_view_insert_header
 547                 (customhdr.list_view, NULL, ch_str, ch);
 548
 549         g_free(ch_str);
 550
 551         prefs_custom_header_set_list(cur_ac);
 552
 553 }
 554
 555 #define B64_LINE_SIZE           57
 556 #define B64_BUFFSIZE            77
 557 static void prefs_custom_header_val_from_file_cb(void)
 558 {
 559         gchar *filename = NULL;
 560         gchar *contents = NULL;
 561         const gchar *hdr = gtk_entry_get_text(GTK_ENTRY(customhdr.hdr_entry));
 562
 563         if (!strcmp(hdr, "Face"))
 564                 filename = filesel_select_file_open(_("Choose a PNG file"), NULL);
 565         else if (!strcmp(hdr, "X-Face"))
 566                 filename = filesel_select_file_open(_("Choose an XBM file"), NULL);
 567         else
 568                 filename = filesel_select_file_open(_("Choose a text file"), NULL);
 569
 570         if (!strcmp(hdr, "Face") || !strcmp(hdr, "X-Face")) {
 571                 if (filename && is_file_exist(filename)) {
 572                         FILE *fp = NULL;
 573                         gint len;
 574                         gchar inbuf[B64_LINE_SIZE], outbuf[B64_BUFFSIZE];
 575                         gchar *tmp = NULL;
 576                         gint w, h;
 577                         GdkPixbufFormat *format = gdk_pixbuf_get_file_info(
 578                                                         filename, &w, &h);
 579
 580                         if (format == NULL) {
 581                                 alertpanel_error(_("This file isn't an image."));
 582                                 g_free(filename);
 583                                 return;
 584                         }
 585                         if (w != 48 || h != 48) {
 586                                 alertpanel_error(_("The chosen image isn't the correct size (48x48)."));
 587                                 g_free(filename);
 588                                 return;
 589                         }
 590                         if (!strcmp(hdr, "Face")) {
 591                                 if (get_file_size(filename) > 725) {
 592                                         alertpanel_error(_("The image is too big; it must be maximum 725 bytes."));
 593                                         g_free(filename);
 594                                         return;
 595                                 }
 596                                 if (g_ascii_strcasecmp("png", gdk_pixbuf_format_get_name(format))) {
 597                                         alertpanel_error(_("The image isn't in the correct format (PNG)."));
 598                                         g_print("%s\n", gdk_pixbuf_format_get_name(format));
 599                                         g_free(filename);
 600                                         return;
 601                                 }
 602                         } else if (!strcmp(hdr, "X-Face")) {
 603                                 gchar *tmp = NULL, *cmd = NULL;
 604                                 int i = 0;
 605                                 if (g_ascii_strcasecmp("xbm", gdk_pixbuf_format_get_name(format))) {
 606                                         alertpanel_error(_("The image isn't in the correct format (XBM)."));
 607                                         g_print("%s\n", gdk_pixbuf_format_get_name(format));
 608                                         g_free(filename);
 609                                         return;
 610                                 }
 611                                 cmd = g_strdup_printf("compface %s", filename);
 612                                 tmp = get_command_output(cmd);
 613                                 g_free(cmd);
 614                                 if (tmp == NULL || *tmp == '\0') {
 615                                         alertpanel_error(_("Couldn't call `compface`. Make sure it's in your $PATH."));
 616                                         g_free(filename);
 617                                         g_free(tmp);
 618                                         return;
 619                                 }
 620                                 if (strstr(tmp, "compface:")) {
 621                                         alertpanel_error(_("Compface error: %s"), tmp);
 622                                         g_free(filename);
 623                                         g_free(tmp);
 624                                         return;
 625                                 }
 626                                 while (tmp[i]) {
 627                                         gchar *tmp2 = NULL;
 628                                         if (tmp[i] == ' ') {
 629                                                 i++; continue;
 630                                         }
 631                                         if (tmp[i] == '\r' || tmp[i] == '\n') {
 632                                                 i++; continue;
 633                                         }
 634                                         tmp2 = contents;
 635                                         contents = g_strdup_printf("%s%c",tmp2?tmp2:"", tmp[i]);
 636                                         g_free(tmp2);
 637                                         i++;
 638                                 }
 639                                 g_free(tmp);
 640                                 goto settext;
 641                         }
 642
 643                         fp = g_fopen(filename, "rb");
 644                         if (!fp) {
 645                                 g_free(filename);
 646                                 return;
 647                         }
 648
 649                         while ((len = fread(inbuf, sizeof(gchar),
 650                                             B64_LINE_SIZE, fp))
 651                                == B64_LINE_SIZE) {
 652                                 base64_encode(outbuf, inbuf, B64_LINE_SIZE);
 653
 654                                 tmp = contents;
 655                                 contents = g_strconcat(tmp?tmp:"",outbuf, NULL);
 656                                 g_free(tmp);
 657                         }
 658                         if (len > 0 && feof(fp)) {
 659                                 tmp = contents;
 660                                 base64_encode(outbuf, inbuf, len);
 661                                 contents = g_strconcat(tmp?tmp:"",outbuf, NULL);
 662                                 g_free(tmp);
 663                         }
 664                         fclose(fp);
 665                 }
 666         } else {
 667                 if (!filename)
 668                         return;
 669
 670                 contents = file_read_to_str(filename);
 671                 if (strchr(contents, '\n') || strchr(contents,'\r')) {
 672                         alertpanel_error(_("This file contains newlines."));
 673                         g_free(contents);
 674                         g_free(filename);
 675                         return;
 676                 }
 677         }
 678 settext:
 679         if (contents && strlen(contents))
 680                 gtk_entry_set_text(GTK_ENTRY(customhdr.val_entry), contents);
 681
 682         g_free(contents);
 683         g_free(filename);
 684 }
 685
 686 static void prefs_custom_header_add_cb(void)
 687 {
 688         prefs_custom_header_list_view_set_row(cur_ac);
 689 }
 690
 691 static void prefs_custom_header_delete_cb(void)
 692 {
 693         GtkTreeIter sel;
 694         GtkTreeModel *model;
 695         CustomHeader *ch;
 696
 697         if (!gtk_tree_selection_get_selected(gtk_tree_view_get_selection
 698                                 (GTK_TREE_VIEW(customhdr.list_view)),
 699                                 &model, &sel))
 700                 return;
 701
 702         if (alertpanel(_("Delete header"),
 703                        _("Do you really want to delete this header?"),
 704                        GTK_STOCK_CANCEL, GTK_STOCK_DELETE, NULL) != G_ALERTALTERNATE)
 705                 return;
 706
 707         gtk_tree_model_get(model, &sel,
 708                            CUSTHDR_DATA, &ch,
 709                            -1);
 710         gtk_list_store_remove(GTK_LIST_STORE(model), &sel);
 711
 712         cur_ac->customhdr_list = g_slist_remove(cur_ac->customhdr_list, ch);
 713
 714         custom_header_free(ch);
 715 }
 716
 717 static void prefs_custom_header_up(void)
 718 {
 719         GtkTreePath *prev, *sel;
 720         GtkTreeIter isel;
 721         GtkListStore *store = NULL;
 722         GtkTreeModel *model = NULL;
 723         GtkTreeIter iprev;
 724
 725         if (!gtk_tree_selection_get_selected
 726                 (gtk_tree_view_get_selection
 727                         (GTK_TREE_VIEW(customhdr.list_view)),
 728                  &model,
 729                  &isel))
 730                 return;
 731         store = (GtkListStore *)model;
 732         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &isel);
 733         if (!sel)
 734                 return;
 735
 736         /* no move if we're at row 0... */
 737         prev = gtk_tree_path_copy(sel);
 738         if (!gtk_tree_path_prev(prev)) {
 739                 gtk_tree_path_free(prev);
 740                 gtk_tree_path_free(sel);
 741                 return;
 742         }
 743
 744         gtk_tree_model_get_iter(GTK_TREE_MODEL(store),
 745                                 &iprev, prev);
 746         gtk_tree_path_free(sel);
 747         gtk_tree_path_free(prev);
 748
 749         gtk_list_store_swap(store, &iprev, &isel);
 750         prefs_custom_header_set_list(cur_ac);
 751 }
 752
 753 static void prefs_custom_header_down(void)
 754 {
 755         GtkListStore *store = NULL;
 756         GtkTreeModel *model = NULL;
 757         GtkTreeIter next, sel;
 758
 759         if (!gtk_tree_selection_get_selected
 760                 (gtk_tree_view_get_selection
 761                         (GTK_TREE_VIEW(customhdr.list_view)),
 762                  &model,
 763                  &sel))
 764                 return;
 765         store = (GtkListStore *)model;
 766         next = sel;
 767         if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &next))
 768                 return;
 769
 770         gtk_list_store_swap(store, &next, &sel);
 771         prefs_custom_header_set_list(cur_ac);
 772 }
 773
 774 static gboolean prefs_custom_header_key_pressed(GtkWidget *widget,
 775                                                 GdkEventKey *event,
 776                                                 gpointer data)
 777 {
 778         if (event && event->keyval == GDK_KEY_Escape)
 779                 prefs_custom_header_cancel();
 780         return FALSE;
 781 }
 782
 783 static void prefs_custom_header_ok(void)
 784 {
 785         prefs_custom_header_write_config(cur_ac);
 786         gtk_widget_hide(customhdr.window);
 787         gtk_window_set_modal(GTK_WINDOW(customhdr.window), FALSE);
 788 }
 789
 790 static void prefs_custom_header_cancel(void)
 791 {
 792         prefs_custom_header_read_config(cur_ac);
 793         gtk_widget_hide(customhdr.window);
 794         gtk_window_set_modal(GTK_WINDOW(customhdr.window), FALSE);
 795 }
 796
 797 static gint prefs_custom_header_deleted(GtkWidget *widget, GdkEventAny *event,
 798                                         gpointer data)
 799 {
 800         prefs_custom_header_cancel();
 801         return TRUE;
 802 }
 803
 804 static GtkListStore* prefs_custom_header_create_data_store(void)
 805 {
 806         return gtk_list_store_new(N_CUSTHDR_COLUMNS,
 807                                   G_TYPE_STRING,
 808                                   G_TYPE_POINTER,
 809                                   -1);
 810 }
 811
 812 static void prefs_custom_header_list_view_insert_header(GtkWidget *list_view,
 813                                                         GtkTreeIter *row_iter,
 814                                                         gchar *header,
 815                                                         gpointer data)
 816 {
 817         GtkTreeIter iter;
 818         GtkListStore *list_store = GTK_LIST_STORE(gtk_tree_view_get_model
 819                                         (GTK_TREE_VIEW(list_view)));
 820
 821         if (row_iter == NULL) {
 822                 /* append new */
 823                 gtk_list_store_append(list_store, &iter);
 824                 gtk_list_store_set(list_store, &iter,
 825                                    CUSTHDR_STRING, header,
 826                                    CUSTHDR_DATA,   data,
 827                                    -1);
 828         } else {
 829                 /* change existing */
 830                 CustomHeader *old_data;
 831
 832                 gtk_tree_model_get(GTK_TREE_MODEL(list_store), row_iter,
 833                                    CUSTHDR_DATA, &old_data,
 834                                    -1);
 835
 836                 custom_header_free(old_data);
 837
 838                 gtk_list_store_set(list_store, row_iter,
 839                                    CUSTHDR_STRING, header,
 840                                    CUSTHDR_DATA, data,
 841                                    -1);
 842         }
 843 }
 844
 845 static GtkWidget *prefs_custom_header_list_view_create(void)
 846 {
 847         GtkTreeView *list_view;
 848         GtkTreeSelection *selector;
 849         GtkTreeModel *model;
 850
 851         model = GTK_TREE_MODEL(prefs_custom_header_create_data_store());
 852         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
 853         g_object_unref(model);
 854
 855         gtk_tree_view_set_rules_hint(list_view, prefs_common.use_stripes_everywhere);
 856         gtk_tree_view_set_reorderable(list_view, TRUE);
 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 (!strcmp2("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                 g_object_ref_sink (G_OBJECT(preview));
 918         }
 919 #if HAVE_LIBCOMPFACE
 920 else if (!strcmp2("X-Face", ch->name)) {
 921                 preview = GTK_IMAGE(xface_get_from_header(ch->value));
 922                 pixbuf = gtk_image_get_pixbuf(preview);
 923                 gtk_image_set_from_pixbuf (GTK_IMAGE(customhdr.preview), pixbuf);
 924                 gtk_widget_show(customhdr.preview);
 925                 g_object_ref_sink (G_OBJECT(preview));
 926         }
 927 #endif
 928 else {
 929                 gtk_widget_hide(customhdr.preview);
 930         }
 931         return TRUE;
 932 }
 933
 934 #undef ENTRY_SET_TEXT