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
  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         gtk_window_set_modal(GTK_WINDOW(customhdr.window), TRUE);
 129 }
 130
 131 static void prefs_custom_header_create(void)
 132 {
 133         GtkWidget *window;
 134         GtkWidget *vbox;
 135
 136         GtkWidget *ok_btn;
 137         GtkWidget *cancel_btn;
 138
 139         GtkWidget *confirm_area;
 140
 141         GtkWidget *vbox1;
 142
 143         GtkWidget *table1;
 144         GtkWidget *hdr_label;
 145         GtkWidget *hdr_combo;
 146         GtkWidget *val_label;
 147         GtkWidget *val_entry;
 148         GtkWidget *val_btn;
 149
 150         GtkWidget *reg_hbox;
 151         GtkWidget *btn_hbox;
 152         GtkWidget *arrow;
 153         GtkWidget *add_btn;
 154         GtkWidget *del_btn;
 155         GtkWidget *preview;
 156
 157         GtkWidget *ch_hbox;
 158         GtkWidget *ch_scrolledwin;
 159         GtkWidget *list_view;
 160
 161         GtkWidget *btn_vbox;
 162         GtkWidget *up_btn;
 163         GtkWidget *down_btn;
 164
 165         debug_print("Creating custom header setting window...\n");
 166
 167         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_customheader");
 168         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 169         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 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
 221         val_label = gtk_label_new (_("Value"));
 222         gtk_widget_show (val_label);
 223         gtk_table_attach (GTK_TABLE (table1), val_label, 1, 2, 0, 1,
 224                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 225                           0, 0, 0);
 226         gtk_misc_set_alignment (GTK_MISC (val_label), 0, 0.5);
 227
 228         val_entry = gtk_entry_new ();
 229         gtk_widget_show (val_entry);
 230         gtk_table_attach (GTK_TABLE (table1), val_entry, 1, 2, 1, 2,
 231                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 232                           0, 0, 0);
 233
 234         val_btn = gtkut_get_browse_file_btn(_("Bro_wse"));
 235         gtk_widget_show (val_btn);
 236         gtk_table_attach (GTK_TABLE (table1), val_btn, 2, 3, 1, 2,
 237                           GTK_EXPAND | GTK_SHRINK | GTK_FILL,
 238                           0, 0, 0);
 239         g_signal_connect (G_OBJECT (val_btn), "clicked",
 240                           G_CALLBACK (prefs_custom_header_val_from_file_cb),
 241                           NULL);
 242
 243         /* add / delete */
 244
 245         reg_hbox = gtk_hbox_new (FALSE, 4);
 246         gtk_widget_show (reg_hbox);
 247         gtk_box_pack_start (GTK_BOX (vbox1), reg_hbox, FALSE, FALSE, 0);
 248
 249         arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 250         gtk_widget_show (arrow);
 251         gtk_box_pack_start (GTK_BOX (reg_hbox), arrow, FALSE, FALSE, 0);
 252
 253         btn_hbox = gtk_hbox_new (TRUE, 4);
 254         gtk_widget_show (btn_hbox);
 255         gtk_box_pack_start (GTK_BOX (reg_hbox), btn_hbox, FALSE, FALSE, 0);
 256
 257         add_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 258         gtk_widget_show (add_btn);
 259         gtk_box_pack_start (GTK_BOX (btn_hbox), add_btn, FALSE, TRUE, 0);
 260         g_signal_connect (G_OBJECT (add_btn), "clicked",
 261                           G_CALLBACK (prefs_custom_header_add_cb),
 262                           NULL);
 263
 264         del_btn = gtk_button_new_from_stock (GTK_STOCK_DELETE);
 265         gtk_widget_show (del_btn);
 266         gtk_box_pack_start (GTK_BOX (btn_hbox), del_btn, FALSE, TRUE, 0);
 267         g_signal_connect (G_OBJECT (del_btn), "clicked",
 268                           G_CALLBACK (prefs_custom_header_delete_cb),
 269                           NULL);
 270
 271
 272         ch_hbox = gtk_hbox_new (FALSE, 8);
 273         gtk_widget_show (ch_hbox);
 274         gtk_box_pack_start (GTK_BOX (vbox1), ch_hbox, TRUE, TRUE, 0);
 275
 276         ch_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 277         gtk_widget_show (ch_scrolledwin);
 278         gtk_box_pack_start (GTK_BOX (ch_hbox), ch_scrolledwin, TRUE, TRUE, 0);
 279         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (ch_scrolledwin),
 280                                         GTK_POLICY_AUTOMATIC,
 281                                         GTK_POLICY_AUTOMATIC);
 282
 283         list_view = prefs_custom_header_list_view_create();
 284         gtk_widget_show (list_view);
 285         gtk_container_add (GTK_CONTAINER (ch_scrolledwin), list_view);
 286
 287         btn_vbox = gtk_vbox_new (FALSE, 8);
 288         gtk_widget_show (btn_vbox);
 289         gtk_box_pack_start (GTK_BOX (ch_hbox), btn_vbox, FALSE, FALSE, 0);
 290
 291         up_btn = gtk_button_new_from_stock (GTK_STOCK_GO_UP);
 292         gtk_widget_show (up_btn);
 293         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 294         g_signal_connect (G_OBJECT (up_btn), "clicked",
 295                           G_CALLBACK (prefs_custom_header_up), NULL);
 296
 297         down_btn = gtk_button_new_from_stock (GTK_STOCK_GO_DOWN);
 298         gtk_widget_show (down_btn);
 299         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 300         g_signal_connect (G_OBJECT (down_btn), "clicked",
 301                           G_CALLBACK (prefs_custom_header_down), NULL);
 302
 303         preview = gtk_image_new ();
 304         gtk_widget_show (preview);
 305         gtk_box_pack_start (GTK_BOX (btn_vbox), preview, FALSE, FALSE, 0);
 306
 307         gtk_widget_show_all(window);
 308
 309         customhdr.window     = window;
 310         customhdr.ok_btn     = ok_btn;
 311         customhdr.cancel_btn = cancel_btn;
 312         customhdr.preview = preview;
 313
 314         customhdr.hdr_combo  = hdr_combo;
 315         customhdr.hdr_entry  = gtk_bin_get_child(GTK_BIN((hdr_combo)));
 316         customhdr.val_entry  = val_entry;
 317
 318         customhdr.list_view   = list_view;
 319 }
 320
 321 void prefs_custom_header_read_config(PrefsAccount *ac)
 322 {
 323         gchar *rcpath;
 324         FILE *fp;
 325         gchar buf[PREFSBUFSIZE];
 326         CustomHeader *ch;
 327
 328         debug_print("Reading custom header configuration...\n");
 329
 330         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 331                              CUSTOM_HEADER_RC, NULL);
 332         if ((fp = g_fopen(rcpath, "rb")) == NULL) {
 333                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 334                 g_free(rcpath);
 335                 ac->customhdr_list = NULL;
 336                 return;
 337         }
 338         g_free(rcpath);
 339
 340         /* remove all previous headers list */
 341         while (ac->customhdr_list != NULL) {
 342                 ch = (CustomHeader *)ac->customhdr_list->data;
 343                 ac->customhdr_list = g_slist_remove(ac->customhdr_list, ch);
 344                 custom_header_free(ch);
 345         }
 346
 347         while (fgets(buf, sizeof(buf), fp) != NULL) {
 348                 ch = custom_header_read_str(buf);
 349                 if (ch) {
 350                         if (ch->account_id == ac->account_id) {
 351                                 ac->customhdr_list =
 352                                         g_slist_append(ac->customhdr_list, ch);
 353                         } else
 354                                 custom_header_free(ch);
 355                 }
 356         }
 357
 358         fclose(fp);
 359 }
 360
 361 static void prefs_custom_header_write_config(PrefsAccount *ac)
 362 {
 363         gchar *rcpath;
 364         PrefFile *pfile;
 365         GSList *cur;
 366         gchar buf[PREFSBUFSIZE];
 367         FILE * fp;
 368         CustomHeader *ch;
 369
 370         GSList *all_hdrs = NULL;
 371
 372         debug_print("Writing custom header configuration...\n");
 373
 374         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 375                              CUSTOM_HEADER_RC, NULL);
 376
 377         if ((fp = g_fopen(rcpath, "rb")) == NULL) {
 378                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 379         } else {
 380                 all_hdrs = NULL;
 381
 382                 while (fgets(buf, sizeof(buf), fp) != NULL) {
 383                         ch = custom_header_read_str(buf);
 384                         if (ch) {
 385                                 if (ch->account_id != ac->account_id)
 386                                         all_hdrs =
 387                                                 g_slist_append(all_hdrs, ch);
 388                                 else
 389                                         custom_header_free(ch);
 390                         }
 391                 }
 392
 393                 fclose(fp);
 394         }
 395
 396         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 397                 g_warning("failed to write configuration to file");
 398                 g_free(rcpath);
 399                 return;
 400         }
 401
 402         for (cur = all_hdrs; cur != NULL; cur = cur->next) {
 403                 CustomHeader *hdr = (CustomHeader *)cur->data;
 404                 gchar *chstr;
 405
 406                 chstr = custom_header_get_str(hdr);
 407                 if (fputs(chstr, pfile->fp) == EOF ||
 408                     fputc('\n', pfile->fp) == EOF) {
 409                         FILE_OP_ERROR(rcpath, "fputs || fputc");
 410                         prefs_file_close_revert(pfile);
 411                         g_free(rcpath);
 412                         g_free(chstr);
 413                         return;
 414                 }
 415                 g_free(chstr);
 416         }
 417
 418         for (cur = ac->customhdr_list; cur != NULL; cur = cur->next) {
 419                 CustomHeader *hdr = (CustomHeader *)cur->data;
 420                 gchar *chstr;
 421
 422                 chstr = custom_header_get_str(hdr);
 423                 if (fputs(chstr, pfile->fp) == EOF ||
 424                     fputc('\n', pfile->fp) == EOF) {
 425                         FILE_OP_ERROR(rcpath, "fputs || fputc");
 426                         prefs_file_close_revert(pfile);
 427                         g_free(rcpath);
 428                         g_free(chstr);
 429                         return;
 430                 }
 431                 g_free(chstr);
 432         }
 433
 434         g_free(rcpath);
 435
 436         while (all_hdrs != NULL) {
 437                 ch = (CustomHeader *)all_hdrs->data;
 438                 all_hdrs = g_slist_remove(all_hdrs, ch);
 439                 custom_header_free(ch);
 440         }
 441
 442         if (prefs_file_close(pfile) < 0) {
 443                 g_warning("failed to write configuration to file");
 444                 return;
 445         }
 446 }
 447
 448 static void prefs_custom_header_set_dialog(PrefsAccount *ac)
 449 {
 450         GtkListStore *store;
 451         GSList *cur;
 452
 453         store = GTK_LIST_STORE(gtk_tree_view_get_model
 454                                 (GTK_TREE_VIEW(customhdr.list_view)));
 455         gtk_list_store_clear(store);
 456
 457         for (cur = ac->customhdr_list; cur != NULL; cur = cur->next) {
 458                 CustomHeader *ch = (CustomHeader *)cur->data;
 459                 gchar *ch_str;
 460
 461                 ch_str = g_strdup_printf("%s: %s", ch->name,
 462                                          ch->value ? ch->value : "");
 463
 464                 prefs_custom_header_list_view_insert_header
 465                         (customhdr.list_view, NULL, ch_str, ch);
 466
 467                 g_free(ch_str);
 468         }
 469 }
 470
 471 static void prefs_custom_header_set_list(PrefsAccount *ac)
 472 {
 473         CustomHeader *ch;
 474         GtkTreeIter iter;
 475         GtkListStore *store;
 476
 477         g_slist_free(ac->customhdr_list);
 478         ac->customhdr_list = NULL;
 479
 480         store = GTK_LIST_STORE(gtk_tree_view_get_model
 481                                 (GTK_TREE_VIEW(customhdr.list_view)));
 482
 483         if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter)) {
 484                 do {
 485                         gtk_tree_model_get(GTK_TREE_MODEL(store), &iter,
 486                                            CUSTHDR_DATA, &ch,
 487                                            -1);
 488                         ac->customhdr_list = g_slist_append(ac->customhdr_list, ch);
 489                 } while (gtk_tree_model_iter_next(GTK_TREE_MODEL(store),
 490                                                   &iter));
 491         }
 492 }
 493
 494 static void prefs_custom_header_list_view_set_row(PrefsAccount *ac)
 495 {
 496         CustomHeader *ch;
 497         const gchar *entry_text;
 498         gchar *ch_str;
 499
 500         entry_text = gtk_entry_get_text(GTK_ENTRY(customhdr.hdr_entry));
 501         if (entry_text[0] == '\0') {
 502                 alertpanel_error(_("Header name is not set."));
 503                 return;
 504         }
 505
 506         while (*entry_text &&
 507                (*entry_text == '\n' || *entry_text == '\r' ||
 508                 *entry_text == '\t' || *entry_text == ' '))
 509                 entry_text++;
 510
 511         if (!custom_header_is_allowed(entry_text)) {
 512                 alertpanel_error(_("This Header name is not allowed as a custom header."));
 513                 return;
 514         }
 515
 516         ch = g_new0(CustomHeader, 1);
 517
 518         ch->account_id = ac->account_id;
 519
 520         ch->name = g_strdup(entry_text);
 521         unfold_line(ch->name);
 522         g_strstrip(ch->name);
 523         gtk_entry_set_text(GTK_ENTRY(customhdr.hdr_entry), ch->name);
 524
 525         entry_text = gtk_entry_get_text(GTK_ENTRY(customhdr.val_entry));
 526         while (*entry_text &&
 527                (*entry_text == '\n' || *entry_text == '\r' ||
 528                 *entry_text == '\t' || *entry_text == ' '))
 529                 entry_text++;
 530
 531         if (entry_text[0] != '\0') {
 532                 ch->value = g_strdup(entry_text);
 533                 unfold_line(ch->value);
 534                 g_strstrip(ch->value);
 535                 gtk_entry_set_text(GTK_ENTRY(customhdr.val_entry), ch->value);
 536         }
 537
 538         ch_str = g_strdup_printf("%s: %s", ch->name,
 539                                  ch->value ? ch->value : "");
 540
 541         prefs_custom_header_list_view_insert_header
 542                 (customhdr.list_view, NULL, ch_str, ch);
 543
 544         g_free(ch_str);
 545
 546         prefs_custom_header_set_list(cur_ac);
 547
 548 }
 549
 550 #define B64_LINE_SIZE           57
 551 #define B64_BUFFSIZE            77
 552 static void prefs_custom_header_val_from_file_cb(void)
 553 {
 554         gchar *filename = NULL;
 555         gchar *contents = NULL;
 556         const gchar *hdr = gtk_entry_get_text(GTK_ENTRY(customhdr.hdr_entry));
 557
 558         if (!strcmp(hdr, "Face"))
 559                 filename = filesel_select_file_open(_("Choose a PNG file"), NULL);
 560         else if (!strcmp(hdr, "X-Face"))
 561                 filename = filesel_select_file_open(_("Choose an XBM file"), NULL);
 562         else
 563                 filename = filesel_select_file_open(_("Choose a text file"), NULL);
 564
 565         if (!strcmp(hdr, "Face") || !strcmp(hdr, "X-Face")) {
 566                 if (filename && is_file_exist(filename)) {
 567                         FILE *fp = NULL;
 568                         gint len;
 569                         gchar inbuf[B64_LINE_SIZE], *outbuf;
 570                         gchar *tmp = NULL;
 571                         gint w, h;
 572                         GdkPixbufFormat *format = gdk_pixbuf_get_file_info(
 573                                                         filename, &w, &h);
 574
 575                         if (format == NULL) {
 576                                 alertpanel_error(_("This file isn't an image."));
 577                                 g_free(filename);
 578                                 return;
 579                         }
 580                         if (w != 48 || h != 48) {
 581                                 alertpanel_error(_("The chosen image isn't the correct size (48x48)."));
 582                                 g_free(filename);
 583                                 return;
 584                         }
 585                         if (!strcmp(hdr, "Face")) {
 586                                 if (get_file_size(filename) > 725) {
 587                                         alertpanel_error(_("The image is too big; it must be maximum 725 bytes."));
 588                                         g_free(filename);
 589                                         return;
 590                                 }
 591                                 if (g_ascii_strcasecmp("png", gdk_pixbuf_format_get_name(format))) {
 592                                         alertpanel_error(_("The image isn't in the correct format (PNG)."));
 593                                         g_print("%s\n", gdk_pixbuf_format_get_name(format));
 594                                         g_free(filename);
 595                                         return;
 596                                 }
 597                         } else if (!strcmp(hdr, "X-Face")) {
 598                                 gchar *tmp = NULL, *cmd = NULL;
 599                                 int i = 0;
 600                                 if (g_ascii_strcasecmp("xbm", gdk_pixbuf_format_get_name(format))) {
 601                                         alertpanel_error(_("The image isn't in the correct format (XBM)."));
 602                                         g_print("%s\n", gdk_pixbuf_format_get_name(format));
 603                                         g_free(filename);
 604                                         return;
 605                                 }
 606                                 cmd = g_strdup_printf("compface %s", filename);
 607                                 tmp = get_command_output(cmd);
 608                                 g_free(cmd);
 609                                 if (tmp == NULL || *tmp == '\0') {
 610                                         alertpanel_error(_("Couldn't call `compface`. Make sure it's in your $PATH."));
 611                                         g_free(filename);
 612                                         g_free(tmp);
 613                                         return;
 614                                 }
 615                                 if (strstr(tmp, "compface:")) {
 616                                         alertpanel_error(_("Compface error: %s"), tmp);
 617                                         g_free(filename);
 618                                         g_free(tmp);
 619                                         return;
 620                                 }
 621                                 while (tmp[i]) {
 622                                         gchar *tmp2 = NULL;
 623                                         if (tmp[i] == ' ') {
 624                                                 i++; continue;
 625                                         }
 626                                         if (tmp[i] == '\r' || tmp[i] == '\n') {
 627                                                 i++; continue;
 628                                         }
 629                                         tmp2 = contents;
 630                                         contents = g_strdup_printf("%s%c",tmp2?tmp2:"", tmp[i]);
 631                                         g_free(tmp2);
 632                                         i++;
 633                                 }
 634                                 g_free(tmp);
 635                                 goto settext;
 636                         }
 637
 638                         fp = g_fopen(filename, "rb");
 639                         if (!fp) {
 640                                 g_free(filename);
 641                                 return;
 642                         }
 643
 644                         while ((len = fread(inbuf, sizeof(gchar),
 645                                             B64_LINE_SIZE, fp))
 646                                == B64_LINE_SIZE) {
 647                                 outbuf = g_base64_encode(inbuf, B64_LINE_SIZE);
 648
 649                                 tmp = contents;
 650                                 contents = g_strconcat(tmp?tmp:"",outbuf, NULL);
 651                                 g_free(outbuf);
 652                                 g_free(tmp);
 653                         }
 654                         if (len > 0 && feof(fp)) {
 655                                 tmp = contents;
 656                                 outbuf = g_base64_encode(inbuf, len);
 657                                 contents = g_strconcat(tmp?tmp:"",outbuf, NULL);
 658                                 g_free(outbuf);
 659                                 g_free(tmp);
 660                         }
 661                         fclose(fp);
 662                 }
 663         } else {
 664                 if (!filename)
 665                         return;
 666
 667                 contents = file_read_to_str(filename);
 668                 if (strchr(contents, '\n') || strchr(contents,'\r')) {
 669                         alertpanel_error(_("This file contains newlines."));
 670                         g_free(contents);
 671                         g_free(filename);
 672                         return;
 673                 }
 674         }
 675 settext:
 676         if (contents && strlen(contents))
 677                 gtk_entry_set_text(GTK_ENTRY(customhdr.val_entry), contents);
 678
 679         g_free(contents);
 680         g_free(filename);
 681 }
 682
 683 static void prefs_custom_header_add_cb(void)
 684 {
 685         prefs_custom_header_list_view_set_row(cur_ac);
 686 }
 687
 688 static void prefs_custom_header_delete_cb(void)
 689 {
 690         GtkTreeIter sel;
 691         GtkTreeModel *model;
 692         CustomHeader *ch;
 693
 694         if (!gtk_tree_selection_get_selected(gtk_tree_view_get_selection
 695                                 (GTK_TREE_VIEW(customhdr.list_view)),
 696                                 &model, &sel))
 697                 return;
 698
 699         if (alertpanel(_("Delete header"),
 700                        _("Do you really want to delete this header?"),
 701                        GTK_STOCK_CANCEL, GTK_STOCK_DELETE, NULL) != G_ALERTALTERNATE)
 702                 return;
 703
 704         gtk_tree_model_get(model, &sel,
 705                            CUSTHDR_DATA, &ch,
 706                            -1);
 707         gtk_list_store_remove(GTK_LIST_STORE(model), &sel);
 708
 709         cur_ac->customhdr_list = g_slist_remove(cur_ac->customhdr_list, ch);
 710
 711         custom_header_free(ch);
 712 }
 713
 714 static void prefs_custom_header_up(void)
 715 {
 716         GtkTreePath *prev, *sel;
 717         GtkTreeIter isel;
 718         GtkListStore *store = NULL;
 719         GtkTreeModel *model = NULL;
 720         GtkTreeIter iprev;
 721
 722         if (!gtk_tree_selection_get_selected
 723                 (gtk_tree_view_get_selection
 724                         (GTK_TREE_VIEW(customhdr.list_view)),
 725                  &model,
 726                  &isel))
 727                 return;
 728         store = (GtkListStore *)model;
 729         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &isel);
 730         if (!sel)
 731                 return;
 732
 733         /* no move if we're at row 0... */
 734         prev = gtk_tree_path_copy(sel);
 735         if (!gtk_tree_path_prev(prev)) {
 736                 gtk_tree_path_free(prev);
 737                 gtk_tree_path_free(sel);
 738                 return;
 739         }
 740
 741         gtk_tree_model_get_iter(GTK_TREE_MODEL(store),
 742                                 &iprev, prev);
 743         gtk_tree_path_free(sel);
 744         gtk_tree_path_free(prev);
 745
 746         gtk_list_store_swap(store, &iprev, &isel);
 747         prefs_custom_header_set_list(cur_ac);
 748 }
 749
 750 static void prefs_custom_header_down(void)
 751 {
 752         GtkListStore *store = NULL;
 753         GtkTreeModel *model = NULL;
 754         GtkTreeIter next, sel;
 755
 756         if (!gtk_tree_selection_get_selected
 757                 (gtk_tree_view_get_selection
 758                         (GTK_TREE_VIEW(customhdr.list_view)),
 759                  &model,
 760                  &sel))
 761                 return;
 762         store = (GtkListStore *)model;
 763         next = sel;
 764         if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &next))
 765                 return;
 766
 767         gtk_list_store_swap(store, &next, &sel);
 768         prefs_custom_header_set_list(cur_ac);
 769 }
 770
 771 static gboolean prefs_custom_header_key_pressed(GtkWidget *widget,
 772                                                 GdkEventKey *event,
 773                                                 gpointer data)
 774 {
 775         if (event && event->keyval == GDK_KEY_Escape)
 776                 prefs_custom_header_cancel();
 777         return FALSE;
 778 }
 779
 780 static void prefs_custom_header_ok(void)
 781 {
 782         prefs_custom_header_write_config(cur_ac);
 783         gtk_widget_hide(customhdr.window);
 784         gtk_window_set_modal(GTK_WINDOW(customhdr.window), FALSE);
 785 }
 786
 787 static void prefs_custom_header_cancel(void)
 788 {
 789         prefs_custom_header_read_config(cur_ac);
 790         gtk_widget_hide(customhdr.window);
 791         gtk_window_set_modal(GTK_WINDOW(customhdr.window), FALSE);
 792 }
 793
 794 static gint prefs_custom_header_deleted(GtkWidget *widget, GdkEventAny *event,
 795                                         gpointer data)
 796 {
 797         prefs_custom_header_cancel();
 798         return TRUE;
 799 }
 800
 801 static GtkListStore* prefs_custom_header_create_data_store(void)
 802 {
 803         return gtk_list_store_new(N_CUSTHDR_COLUMNS,
 804                                   G_TYPE_STRING,
 805                                   G_TYPE_POINTER,
 806                                   -1);
 807 }
 808
 809 static void prefs_custom_header_list_view_insert_header(GtkWidget *list_view,
 810                                                         GtkTreeIter *row_iter,
 811                                                         gchar *header,
 812                                                         gpointer data)
 813 {
 814         GtkTreeIter iter;
 815         GtkListStore *list_store = GTK_LIST_STORE(gtk_tree_view_get_model
 816                                         (GTK_TREE_VIEW(list_view)));
 817
 818         if (row_iter == NULL) {
 819                 /* append new */
 820                 gtk_list_store_append(list_store, &iter);
 821                 gtk_list_store_set(list_store, &iter,
 822                                    CUSTHDR_STRING, header,
 823                                    CUSTHDR_DATA,   data,
 824                                    -1);
 825         } else {
 826                 /* change existing */
 827                 CustomHeader *old_data;
 828
 829                 gtk_tree_model_get(GTK_TREE_MODEL(list_store), row_iter,
 830                                    CUSTHDR_DATA, &old_data,
 831                                    -1);
 832
 833                 custom_header_free(old_data);
 834
 835                 gtk_list_store_set(list_store, row_iter,
 836                                    CUSTHDR_STRING, header,
 837                                    CUSTHDR_DATA, data,
 838                                    -1);
 839         }
 840 }
 841
 842 static GtkWidget *prefs_custom_header_list_view_create(void)
 843 {
 844         GtkTreeView *list_view;
 845         GtkTreeSelection *selector;
 846         GtkTreeModel *model;
 847
 848         model = GTK_TREE_MODEL(prefs_custom_header_create_data_store());
 849         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
 850         g_object_unref(model);
 851
 852         gtk_tree_view_set_rules_hint(list_view, prefs_common.use_stripes_everywhere);
 853         gtk_tree_view_set_reorderable(list_view, TRUE);
 854
 855         selector = gtk_tree_view_get_selection(list_view);
 856         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 857         gtk_tree_selection_set_select_function(selector, prefs_custom_header_selected,
 858                                                NULL, NULL);
 859
 860         /* create the columns */
 861         prefs_custom_header_create_list_view_columns(GTK_WIDGET(list_view));
 862
 863         return GTK_WIDGET(list_view);
 864 }
 865
 866 static void prefs_custom_header_create_list_view_columns(GtkWidget *list_view)
 867 {
 868         GtkTreeViewColumn *column;
 869         GtkCellRenderer *renderer;
 870
 871         renderer = gtk_cell_renderer_text_new();
 872         column = gtk_tree_view_column_new_with_attributes
 873                 (_("Current custom headers"),
 874                  renderer,
 875                  "text", CUSTHDR_STRING,
 876                  NULL);
 877         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 878 }
 879
 880 #define ENTRY_SET_TEXT(entry, str) \
 881         gtk_entry_set_text(GTK_ENTRY(entry), str ? str : "")
 882
 883 static gboolean prefs_custom_header_selected(GtkTreeSelection *selector,
 884                                              GtkTreeModel *model,
 885                                              GtkTreePath *path,
 886                                              gboolean currently_selected,
 887                                              gpointer data)
 888 {
 889         GtkTreeIter iter;
 890         CustomHeader *ch;
 891         GtkImage *preview;
 892         GdkPixbuf *pixbuf;
 893         CustomHeader default_ch = { 0, "", NULL };
 894
 895         if (currently_selected)
 896                 return TRUE;
 897
 898         if (!gtk_tree_model_get_iter(model, &iter, path))
 899                 return TRUE;
 900
 901         gtk_tree_model_get(model, &iter,
 902                            CUSTHDR_DATA, &ch,
 903                            -1);
 904
 905         if (!ch) ch = &default_ch;
 906
 907         ENTRY_SET_TEXT(customhdr.hdr_entry, ch->name);
 908         ENTRY_SET_TEXT(customhdr.val_entry, ch->value);
 909         if (!strcmp2("Face",ch->name)) {
 910                 preview = GTK_IMAGE(face_get_from_header (ch->value));
 911                 pixbuf = gtk_image_get_pixbuf(preview);
 912                 gtk_image_set_from_pixbuf (GTK_IMAGE(customhdr.preview), pixbuf);
 913                 gtk_widget_show(customhdr.preview);
 914                 g_object_ref_sink (G_OBJECT(preview));
 915         }
 916 #if HAVE_LIBCOMPFACE
 917 else if (!strcmp2("X-Face", ch->name)) {
 918                 preview = GTK_IMAGE(xface_get_from_header(ch->value));
 919                 pixbuf = gtk_image_get_pixbuf(preview);
 920                 gtk_image_set_from_pixbuf (GTK_IMAGE(customhdr.preview), pixbuf);
 921                 gtk_widget_show(customhdr.preview);
 922                 g_object_ref_sink (G_OBJECT(preview));
 923         }
 924 #endif
 925 else {
 926                 gtk_widget_hide(customhdr.preview);
 927         }
 928         return TRUE;
 929 }
 930
 931 #undef ENTRY_SET_TEXT