src/prefs_customheader.c

   1 /*
   2  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2024 the Claws Mail team and Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 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 #ifdef HAVE_CONFIG_H
  20 #  include "config.h"
  21 #include "claws-features.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gtk/gtk.h>
  29 #include <gdk/gdkkeysyms.h>
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <errno.h>
  34
  35 #include "main.h"
  36 #include "prefs_gtk.h"
  37 #include "prefs_customheader.h"
  38 #include "prefs_account.h"
  39 #include "mainwindow.h"
  40 #include "foldersel.h"
  41 #include "manage_window.h"
  42 #include "customheader.h"
  43 #include "folder.h"
  44 #include "utils.h"
  45 #include "gtkutils.h"
  46 #include "alertpanel.h"
  47 #include "filesel.h"
  48 #include "combobox.h"
  49 #include "file-utils.h"
  50
  51 enum {
  52         CUSTHDR_STRING,         /*!< display string managed by list store */
  53         CUSTHDR_DATA,           /*!< string managed by us */
  54         N_CUSTHDR_COLUMNS
  55 };
  56
  57 static struct CustomHdr {
  58         GtkWidget *window;
  59
  60         GtkWidget *ok_btn;
  61         GtkWidget *cancel_btn;
  62
  63         GtkWidget *hdr_combo;
  64         GtkWidget *hdr_entry;
  65         GtkWidget *val_entry;
  66         GtkWidget *preview;
  67         GtkWidget *list_view;
  68 } customhdr;
  69
  70 /* widget creating functions */
  71 static void prefs_custom_header_create  (void);
  72
  73 static void prefs_custom_header_set_dialog              (PrefsAccount *ac);
  74 static void prefs_custom_header_set_list                (PrefsAccount *ac);
  75 static void prefs_custom_header_list_view_set_row       (PrefsAccount *ac);
  76
  77 /* callback functions */
  78 static void prefs_custom_header_add_cb          (void);
  79 static void prefs_custom_header_val_from_file_cb(void);
  80 static void prefs_custom_header_delete_cb       (void);
  81 static void prefs_custom_header_up              (void);
  82 static void prefs_custom_header_down            (void);
  83
  84 static gboolean prefs_custom_header_key_pressed (GtkWidget      *widget,
  85                                                  GdkEventKey    *event,
  86                                                  gpointer        data);
  87 static void prefs_custom_header_ok              (void);
  88 static void prefs_custom_header_cancel          (void);
  89 static gint prefs_custom_header_deleted         (GtkWidget      *widget,
  90                                                  GdkEventAny    *event,
  91                                                  gpointer        data);
  92
  93 static GtkListStore* prefs_custom_header_create_data_store      (void);
  94
  95 static void prefs_custom_header_list_view_insert_header (GtkWidget *list_view,
  96                                                          GtkTreeIter *row_iter,
  97                                                          gchar *header,
  98                                                          gpointer data);
  99
 100 static GtkWidget *prefs_custom_header_list_view_create (void);
 101
 102 static void prefs_custom_header_create_list_view_columns        (GtkWidget *list_view);
 103
 104 static gboolean prefs_custom_header_selected    (GtkTreeSelection *selector,
 105                                                  GtkTreeModel *model,
 106                                                  GtkTreePath *path,
 107                                                  gboolean currently_selected,
 108                                                  gpointer data);
 109
 110
 111 static PrefsAccount *cur_ac = NULL;
 112
 113 void prefs_custom_header_open(PrefsAccount *ac)
 114 {
 115         if (!customhdr.window) {
 116                 prefs_custom_header_create();
 117         }
 118
 119         manage_window_set_transient(GTK_WINDOW(customhdr.window));
 120         gtk_widget_grab_focus(customhdr.ok_btn);
 121
 122         prefs_custom_header_set_dialog(ac);
 123
 124         cur_ac = ac;
 125
 126         gtk_widget_show(customhdr.window);
 127         gtk_window_set_modal(GTK_WINDOW(customhdr.window), TRUE);
 128 }
 129
 130 static void prefs_custom_header_create(void)
 131 {
 132         GtkWidget *window;
 133         GtkWidget *vbox;
 134
 135         GtkWidget *ok_btn;
 136         GtkWidget *cancel_btn;
 137
 138         GtkWidget *confirm_area;
 139
 140         GtkWidget *vbox1;
 141
 142         GtkWidget *table1;
 143         GtkWidget *hdr_label;
 144         GtkWidget *hdr_combo;
 145         GtkWidget *val_label;
 146         GtkWidget *val_entry;
 147         GtkWidget *val_btn;
 148
 149         GtkWidget *reg_hbox;
 150         GtkWidget *btn_hbox;
 151         GtkWidget *arrow;
 152         GtkWidget *add_btn;
 153         GtkWidget *del_btn;
 154         GtkWidget *preview;
 155
 156         GtkWidget *ch_hbox;
 157         GtkWidget *ch_scrolledwin;
 158         GtkWidget *list_view;
 159
 160         GtkWidget *btn_vbox;
 161         GtkWidget *up_btn;
 162         GtkWidget *down_btn;
 163
 164         debug_print("Creating custom header setting window...\n");
 165
 166         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_customheader");
 167         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 168         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 169         gtk_window_set_resizable(GTK_WINDOW (window), TRUE);
 170         gtk_window_set_type_hint(GTK_WINDOW(window), GDK_WINDOW_TYPE_HINT_DIALOG);
 171
 172         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 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, NULL, _("_Cancel"),
 177                                       &ok_btn, NULL, _("_OK"), NULL, NULL, NULL);
 178         gtk_widget_show (confirm_area);
 179         gtk_box_pack_end (GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 180         gtk_widget_grab_default (ok_btn);
 181
 182         gtk_window_set_title (GTK_WINDOW(window), _("Custom header configuration"));
 183         MANAGE_WINDOW_SIGNALS_CONNECT (window);
 184         g_signal_connect (G_OBJECT(window), "delete_event",
 185                           G_CALLBACK(prefs_custom_header_deleted),
 186                           NULL);
 187         g_signal_connect (G_OBJECT(window), "key_press_event",
 188                           G_CALLBACK(prefs_custom_header_key_pressed),
 189                           NULL);
 190         g_signal_connect (G_OBJECT(ok_btn), "clicked",
 191                           G_CALLBACK(prefs_custom_header_ok), NULL);
 192         g_signal_connect (G_OBJECT(cancel_btn), "clicked",
 193                           G_CALLBACK(prefs_custom_header_cancel), NULL);
 194
 195         vbox1 = gtk_box_new(GTK_ORIENTATION_VERTICAL, VSPACING);
 196         gtk_widget_show (vbox1);
 197         gtk_box_pack_start (GTK_BOX (vbox), vbox1, TRUE, TRUE, 0);
 198         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 199
 200         table1 = gtk_grid_new();
 201         gtk_widget_show (table1);
 202         gtk_box_pack_start (GTK_BOX (vbox1), table1,
 203                             FALSE, FALSE, 0);
 204         gtk_grid_set_row_spacing(GTK_GRID(table1), 8);
 205         gtk_grid_set_column_spacing(GTK_GRID(table1), 8);
 206
 207         hdr_label = gtk_label_new (_("Header"));
 208         gtk_widget_show (hdr_label);
 209         gtk_label_set_xalign(GTK_LABEL (hdr_label), 0.0);
 210         gtk_grid_attach(GTK_GRID(table1), hdr_label, 0, 0, 1, 1);
 211
 212         hdr_combo = combobox_text_new(TRUE, "User-Agent", "Face", "X-Face",
 213                                       "X-Operating-System", NULL);
 214         gtk_grid_attach(GTK_GRID(table1), hdr_combo, 0, 1, 1, 1);
 215
 216         val_label = gtk_label_new (_("Value"));
 217         gtk_widget_show (val_label);
 218         gtk_label_set_xalign(GTK_LABEL (val_label), 0.0);
 219         gtk_grid_attach(GTK_GRID(table1), val_label, 1, 0, 1, 1);
 220
 221         val_entry = gtk_entry_new ();
 222         gtk_widget_show (val_entry);
 223         gtk_grid_attach(GTK_GRID(table1), val_entry, 1, 1, 1, 1);
 224         gtk_widget_set_hexpand(val_entry, TRUE);
 225         gtk_widget_set_halign(val_entry, GTK_ALIGN_FILL);
 226
 227         val_btn = gtkut_get_browse_file_btn(_("Bro_wse"));
 228         gtk_widget_show (val_btn);
 229         gtk_grid_attach(GTK_GRID(table1), val_btn, 2, 1, 1, 1);
 230         g_signal_connect (G_OBJECT (val_btn), "clicked",
 231                           G_CALLBACK (prefs_custom_header_val_from_file_cb),
 232                           NULL);
 233
 234         /* add / delete */
 235
 236         reg_hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 4);
 237         gtk_widget_show (reg_hbox);
 238         gtk_box_pack_start (GTK_BOX (vbox1), reg_hbox, FALSE, FALSE, 0);
 239
 240         arrow = gtk_image_new_from_icon_name("pan-down-symbolic", GTK_ICON_SIZE_MENU);
 241         gtk_widget_show (arrow);
 242         gtk_box_pack_start (GTK_BOX (reg_hbox), arrow, FALSE, FALSE, 0);
 243
 244         btn_hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 4);
 245         gtk_widget_show (btn_hbox);
 246         gtk_box_pack_start (GTK_BOX (reg_hbox), btn_hbox, FALSE, FALSE, 0);
 247
 248         add_btn = gtkut_stock_button("list-add", _("_Add"));
 249         gtk_widget_show (add_btn);
 250         gtk_box_pack_start (GTK_BOX (btn_hbox), add_btn, FALSE, TRUE, 0);
 251         g_signal_connect (G_OBJECT (add_btn), "clicked",
 252                           G_CALLBACK (prefs_custom_header_add_cb),
 253                           NULL);
 254
 255         del_btn = gtkut_stock_button("edit-delete", _("D_elete"));
 256         gtk_widget_show (del_btn);
 257         gtk_box_pack_start (GTK_BOX (btn_hbox), del_btn, FALSE, TRUE, 0);
 258         g_signal_connect (G_OBJECT (del_btn), "clicked",
 259                           G_CALLBACK (prefs_custom_header_delete_cb),
 260                           NULL);
 261
 262
 263         ch_hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 8);
 264         gtk_widget_show (ch_hbox);
 265         gtk_box_pack_start (GTK_BOX (vbox1), ch_hbox, TRUE, TRUE, 0);
 266
 267         ch_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 268         gtk_widget_show (ch_scrolledwin);
 269         gtk_box_pack_start (GTK_BOX (ch_hbox), ch_scrolledwin, TRUE, TRUE, 0);
 270         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (ch_scrolledwin),
 271                                         GTK_POLICY_AUTOMATIC,
 272                                         GTK_POLICY_AUTOMATIC);
 273
 274         list_view = prefs_custom_header_list_view_create();
 275         gtk_widget_show (list_view);
 276         gtk_container_add (GTK_CONTAINER (ch_scrolledwin), list_view);
 277
 278         btn_vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 8);
 279         gtk_widget_show (btn_vbox);
 280         gtk_box_pack_start (GTK_BOX (ch_hbox), btn_vbox, FALSE, FALSE, 0);
 281
 282         up_btn = gtkut_stock_button("go-up", _("_Up"));
 283         gtk_widget_show (up_btn);
 284         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 285         g_signal_connect (G_OBJECT (up_btn), "clicked",
 286                           G_CALLBACK (prefs_custom_header_up), NULL);
 287
 288         down_btn = gtkut_stock_button("go-down", _("_Down"));
 289         gtk_widget_show (down_btn);
 290         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 291         g_signal_connect (G_OBJECT (down_btn), "clicked",
 292                           G_CALLBACK (prefs_custom_header_down), NULL);
 293
 294         preview = gtk_image_new ();
 295         gtk_widget_show (preview);
 296         gtk_box_pack_start (GTK_BOX (btn_vbox), preview, FALSE, FALSE, 0);
 297
 298         gtk_widget_show_all(window);
 299
 300         customhdr.window     = window;
 301         customhdr.ok_btn     = ok_btn;
 302         customhdr.cancel_btn = cancel_btn;
 303         customhdr.preview = preview;
 304
 305         customhdr.hdr_combo  = hdr_combo;
 306         customhdr.hdr_entry  = gtk_bin_get_child(GTK_BIN((hdr_combo)));
 307         customhdr.val_entry  = val_entry;
 308
 309         customhdr.list_view   = list_view;
 310 }
 311
 312 void prefs_custom_header_read_config(PrefsAccount *ac)
 313 {
 314         gchar *rcpath;
 315         FILE *fp;
 316         gchar buf[PREFSBUFSIZE];
 317         CustomHeader *ch;
 318
 319         debug_print("Reading custom header configuration...\n");
 320
 321         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 322                              CUSTOM_HEADER_RC, NULL);
 323         if ((fp = claws_fopen(rcpath, "rb")) == NULL) {
 324                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "claws_fopen");
 325                 g_free(rcpath);
 326                 ac->customhdr_list = NULL;
 327                 return;
 328         }
 329         g_free(rcpath);
 330
 331         /* remove all previous headers list */
 332         while (ac->customhdr_list != NULL) {
 333                 ch = (CustomHeader *)ac->customhdr_list->data;
 334                 ac->customhdr_list = g_slist_remove(ac->customhdr_list, ch);
 335                 custom_header_free(ch);
 336         }
 337
 338         while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
 339                 ch = custom_header_read_str(buf);
 340                 if (ch) {
 341                         if (ch->account_id == ac->account_id) {
 342                                 ac->customhdr_list =
 343                                         g_slist_append(ac->customhdr_list, ch);
 344                         } else
 345                                 custom_header_free(ch);
 346                 }
 347         }
 348
 349         claws_fclose(fp);
 350 }
 351
 352 static void prefs_custom_header_write_config(PrefsAccount *ac)
 353 {
 354         gchar *rcpath;
 355         PrefFile *pfile;
 356         GSList *cur;
 357         gchar buf[PREFSBUFSIZE];
 358         FILE * fp;
 359         CustomHeader *ch;
 360
 361         GSList *all_hdrs = NULL;
 362
 363         debug_print("Writing custom header configuration...\n");
 364
 365         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 366                              CUSTOM_HEADER_RC, NULL);
 367
 368         if ((fp = claws_fopen(rcpath, "rb")) == NULL) {
 369                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "claws_fopen");
 370         } else {
 371                 all_hdrs = NULL;
 372
 373                 while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
 374                         ch = custom_header_read_str(buf);
 375                         if (ch) {
 376                                 if (ch->account_id != ac->account_id)
 377                                         all_hdrs =
 378                                                 g_slist_append(all_hdrs, ch);
 379                                 else
 380                                         custom_header_free(ch);
 381                         }
 382                 }
 383
 384                 claws_fclose(fp);
 385         }
 386
 387         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 388                 g_warning("failed to write configuration to file");
 389                 g_free(rcpath);
 390                 return;
 391         }
 392
 393         for (cur = all_hdrs; cur != NULL; cur = cur->next) {
 394                 CustomHeader *hdr = (CustomHeader *)cur->data;
 395                 gchar *chstr;
 396
 397                 chstr = custom_header_get_str(hdr);
 398                 if (claws_fputs(chstr, pfile->fp) == EOF ||
 399                     claws_fputc('\n', pfile->fp) == EOF) {
 400                         FILE_OP_ERROR(rcpath, "claws_fputs || claws_fputc");
 401                         prefs_file_close_revert(pfile);
 402                         g_free(rcpath);
 403                         g_free(chstr);
 404                         return;
 405                 }
 406                 g_free(chstr);
 407         }
 408
 409         for (cur = ac->customhdr_list; cur != NULL; cur = cur->next) {
 410                 CustomHeader *hdr = (CustomHeader *)cur->data;
 411                 gchar *chstr;
 412
 413                 chstr = custom_header_get_str(hdr);
 414                 if (claws_fputs(chstr, pfile->fp) == EOF ||
 415                     claws_fputc('\n', pfile->fp) == EOF) {
 416                         FILE_OP_ERROR(rcpath, "claws_fputs || claws_fputc");
 417                         prefs_file_close_revert(pfile);
 418                         g_free(rcpath);
 419                         g_free(chstr);
 420                         return;
 421                 }
 422                 g_free(chstr);
 423         }
 424
 425         g_free(rcpath);
 426
 427         while (all_hdrs != NULL) {
 428                 ch = (CustomHeader *)all_hdrs->data;
 429                 all_hdrs = g_slist_remove(all_hdrs, ch);
 430                 custom_header_free(ch);
 431         }
 432
 433         if (prefs_file_close(pfile) < 0) {
 434                 g_warning("failed to write configuration to file");
 435                 return;
 436         }
 437 }
 438
 439 static void prefs_custom_header_set_dialog(PrefsAccount *ac)
 440 {
 441         GtkListStore *store;
 442         GSList *cur;
 443
 444         store = GTK_LIST_STORE(gtk_tree_view_get_model
 445                                 (GTK_TREE_VIEW(customhdr.list_view)));
 446         gtk_list_store_clear(store);
 447
 448         for (cur = ac->customhdr_list; cur != NULL; cur = cur->next) {
 449                 CustomHeader *ch = (CustomHeader *)cur->data;
 450                 gchar *ch_str;
 451
 452                 ch_str = g_strdup_printf("%s: %s", ch->name,
 453                                          ch->value ? ch->value : "");
 454
 455                 prefs_custom_header_list_view_insert_header
 456                         (customhdr.list_view, NULL, ch_str, ch);
 457
 458                 g_free(ch_str);
 459         }
 460 }
 461
 462 static void prefs_custom_header_set_list(PrefsAccount *ac)
 463 {
 464         CustomHeader *ch;
 465         GtkTreeIter iter;
 466         GtkListStore *store;
 467
 468         g_slist_free(ac->customhdr_list);
 469         ac->customhdr_list = NULL;
 470
 471         store = GTK_LIST_STORE(gtk_tree_view_get_model
 472                                 (GTK_TREE_VIEW(customhdr.list_view)));
 473
 474         if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter)) {
 475                 do {
 476                         gtk_tree_model_get(GTK_TREE_MODEL(store), &iter,
 477                                            CUSTHDR_DATA, &ch,
 478                                            -1);
 479                         ac->customhdr_list = g_slist_append(ac->customhdr_list, ch);
 480                 } while (gtk_tree_model_iter_next(GTK_TREE_MODEL(store),
 481                                                   &iter));
 482         }
 483 }
 484
 485 static void prefs_custom_header_list_view_set_row(PrefsAccount *ac)
 486 {
 487         CustomHeader *ch;
 488         const gchar *entry_text;
 489         gchar *ch_str;
 490
 491         entry_text = gtk_entry_get_text(GTK_ENTRY(customhdr.hdr_entry));
 492         if (entry_text[0] == '\0') {
 493                 alertpanel_error(_("Header name is not set."));
 494                 return;
 495         }
 496
 497         while (*entry_text &&
 498                (*entry_text == '\n' || *entry_text == '\r' ||
 499                 *entry_text == '\t' || *entry_text == ' '))
 500                 entry_text++;
 501
 502         if (strchr(entry_text, ':') != NULL) {
 503                 alertpanel_error(_("A colon (:) is not allowed in a custom header."));
 504                 return;
 505         }
 506
 507         if (!custom_header_is_allowed(entry_text)) {
 508                 alertpanel_error(_("This Header name is not allowed as a custom header."));
 509                 return;
 510         }
 511
 512         ch = g_new0(CustomHeader, 1);
 513
 514         ch->account_id = ac->account_id;
 515
 516         ch->name = g_strdup(entry_text);
 517         unfold_line(ch->name);
 518         g_strstrip(ch->name);
 519         gtk_entry_set_text(GTK_ENTRY(customhdr.hdr_entry), ch->name);
 520
 521         entry_text = gtk_entry_get_text(GTK_ENTRY(customhdr.val_entry));
 522         while (*entry_text &&
 523                (*entry_text == '\n' || *entry_text == '\r' ||
 524                 *entry_text == '\t' || *entry_text == ' '))
 525                 entry_text++;
 526
 527         if (entry_text[0] != '\0') {
 528                 ch->value = g_strdup(entry_text);
 529                 unfold_line(ch->value);
 530                 g_strstrip(ch->value);
 531                 gtk_entry_set_text(GTK_ENTRY(customhdr.val_entry), ch->value);
 532         }
 533
 534         ch_str = g_strdup_printf("%s: %s", ch->name,
 535                                  ch->value ? ch->value : "");
 536
 537         prefs_custom_header_list_view_insert_header
 538                 (customhdr.list_view, NULL, ch_str, ch);
 539
 540         g_free(ch_str);
 541
 542         prefs_custom_header_set_list(cur_ac);
 543
 544 }
 545
 546 static void prefs_custom_header_val_from_file_cb(void)
 547 {
 548         gchar *filename = NULL;
 549         gchar *contents = NULL;
 550         const gchar *hdr = gtk_entry_get_text(GTK_ENTRY(customhdr.hdr_entry));
 551
 552         if (!strcmp(hdr, "Face"))
 553                 filename = filesel_select_file_open(_("Choose a PNG file"), NULL);
 554         else if (!strcmp(hdr, "X-Face"))
 555                 filename = filesel_select_file_open(_("Choose an XBM file"), NULL);
 556         else
 557                 filename = filesel_select_file_open(_("Choose a text file"), NULL);
 558
 559         if (!strcmp(hdr, "Face") || !strcmp(hdr, "X-Face")) {
 560                 if (filename && is_file_exist(filename)) {
 561                         FILE *fp = NULL;
 562                         gint len;
 563                         gchar inbuf[B64_LINE_SIZE], *outbuf;
 564                         gchar *tmp = NULL;
 565                         gint w, h;
 566                         GdkPixbufFormat *format = gdk_pixbuf_get_file_info(
 567                                                         filename, &w, &h);
 568
 569                         if (format == NULL) {
 570                                 alertpanel_error(_("This file isn't an image."));
 571                                 g_free(filename);
 572                                 return;
 573                         }
 574                         if (w != 48 || h != 48) {
 575                                 alertpanel_error(_("The chosen image isn't the correct size (48x48)."));
 576                                 g_free(filename);
 577                                 return;
 578                         }
 579                         if (!strcmp(hdr, "Face")) {
 580                                 if (get_file_size(filename) > 725) {
 581                                         alertpanel_error(_("The image is too big; it must be maximum 725 bytes."));
 582                                         g_free(filename);
 583                                         return;
 584                                 }
 585                                 if (g_ascii_strcasecmp("png", gdk_pixbuf_format_get_name(format))) {
 586                                         alertpanel_error(_("The image isn't in the correct format (PNG)."));
 587                                         g_print("%s\n", gdk_pixbuf_format_get_name(format));
 588                                         g_free(filename);
 589                                         return;
 590                                 }
 591                         } else if (!strcmp(hdr, "X-Face")) {
 592                                 gchar *tmp = NULL, *cmd = NULL;
 593                                 int i = 0;
 594                                 if (g_ascii_strcasecmp("xbm", gdk_pixbuf_format_get_name(format))) {
 595                                         alertpanel_error(_("The image isn't in the correct format (XBM)."));
 596                                         g_print("%s\n", gdk_pixbuf_format_get_name(format));
 597                                         g_free(filename);
 598                                         return;
 599                                 }
 600                                 cmd = g_strdup_printf("compface %s", filename);
 601                                 tmp = get_command_output(cmd);
 602                                 g_free(cmd);
 603                                 if (tmp == NULL || *tmp == '\0') {
 604                                         alertpanel_error(_("Couldn't call `compface`. Make sure it's in your $PATH."));
 605                                         g_free(filename);
 606                                         g_free(tmp);
 607                                         return;
 608                                 }
 609                                 if (strstr(tmp, "compface:")) {
 610                                         alertpanel_error(_("Compface error: %s"), tmp);
 611                                         g_free(filename);
 612                                         g_free(tmp);
 613                                         return;
 614                                 }
 615                                 while (tmp[i]) {
 616                                         gchar *tmp2 = NULL;
 617                                         if (tmp[i] == ' ') {
 618                                                 i++; continue;
 619                                         }
 620                                         if (tmp[i] == '\r' || tmp[i] == '\n') {
 621                                                 i++; continue;
 622                                         }
 623                                         tmp2 = contents;
 624                                         contents = g_strdup_printf("%s%c",tmp2?tmp2:"", tmp[i]);
 625                                         g_free(tmp2);
 626                                         i++;
 627                                 }
 628                                 g_free(tmp);
 629                                 goto settext;
 630                         }
 631
 632                         fp = claws_fopen(filename, "rb");
 633                         if (!fp) {
 634                                 g_free(filename);
 635                                 return;
 636                         }
 637
 638                         while ((len = claws_fread(inbuf, sizeof(gchar),
 639                                             B64_LINE_SIZE, fp))
 640                                == B64_LINE_SIZE) {
 641                                 outbuf = g_base64_encode(inbuf, B64_LINE_SIZE);
 642
 643                                 tmp = contents;
 644                                 contents = g_strconcat(tmp?tmp:"",outbuf, NULL);
 645                                 g_free(outbuf);
 646                                 g_free(tmp);
 647                         }
 648                         if (len > 0 && claws_feof(fp)) {
 649                                 tmp = contents;
 650                                 outbuf = g_base64_encode(inbuf, len);
 651                                 contents = g_strconcat(tmp?tmp:"",outbuf, NULL);
 652                                 g_free(outbuf);
 653                                 g_free(tmp);
 654                         }
 655                         claws_fclose(fp);
 656                 }
 657         } else {
 658                 if (!filename)
 659                         return;
 660
 661                 contents = file_read_to_str(filename);
 662                 if (strchr(contents, '\n') || strchr(contents,'\r')) {
 663                         alertpanel_error(_("This file contains newlines."));
 664                         g_free(contents);
 665                         g_free(filename);
 666                         return;
 667                 }
 668         }
 669 settext:
 670         if (contents && strlen(contents))
 671                 gtk_entry_set_text(GTK_ENTRY(customhdr.val_entry), contents);
 672
 673         g_free(contents);
 674         g_free(filename);
 675 }
 676
 677 static void prefs_custom_header_add_cb(void)
 678 {
 679         prefs_custom_header_list_view_set_row(cur_ac);
 680 }
 681
 682 static void prefs_custom_header_delete_cb(void)
 683 {
 684         GtkTreeIter sel;
 685         GtkTreeModel *model;
 686         CustomHeader *ch;
 687
 688         if (!gtk_tree_selection_get_selected(gtk_tree_view_get_selection
 689                                 (GTK_TREE_VIEW(customhdr.list_view)),
 690                                 &model, &sel))
 691                 return;
 692
 693         if (alertpanel(_("Delete header"),
 694                        _("Do you really want to delete this header?"),
 695                        NULL, _("_Cancel"), "edit-delete", _("_Delete"), NULL, NULL,
 696                        ALERTFOCUS_FIRST) != G_ALERTALTERNATE)
 697                 return;
 698
 699         gtk_tree_model_get(model, &sel,
 700                            CUSTHDR_DATA, &ch,
 701                            -1);
 702         gtk_list_store_remove(GTK_LIST_STORE(model), &sel);
 703
 704         cur_ac->customhdr_list = g_slist_remove(cur_ac->customhdr_list, ch);
 705
 706         custom_header_free(ch);
 707 }
 708
 709 static void prefs_custom_header_up(void)
 710 {
 711         GtkTreePath *prev, *sel;
 712         GtkTreeIter isel;
 713         GtkListStore *store = NULL;
 714         GtkTreeModel *model = NULL;
 715         GtkTreeIter iprev;
 716
 717         if (!gtk_tree_selection_get_selected
 718                 (gtk_tree_view_get_selection
 719                         (GTK_TREE_VIEW(customhdr.list_view)),
 720                  &model,
 721                  &isel))
 722                 return;
 723         store = (GtkListStore *)model;
 724         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &isel);
 725         if (!sel)
 726                 return;
 727
 728         /* no move if we're at row 0... */
 729         prev = gtk_tree_path_copy(sel);
 730         if (!gtk_tree_path_prev(prev)) {
 731                 gtk_tree_path_free(prev);
 732                 gtk_tree_path_free(sel);
 733                 return;
 734         }
 735
 736         gtk_tree_model_get_iter(GTK_TREE_MODEL(store),
 737                                 &iprev, prev);
 738         gtk_tree_path_free(sel);
 739         gtk_tree_path_free(prev);
 740
 741         gtk_list_store_swap(store, &iprev, &isel);
 742         prefs_custom_header_set_list(cur_ac);
 743 }
 744
 745 static void prefs_custom_header_down(void)
 746 {
 747         GtkListStore *store = NULL;
 748         GtkTreeModel *model = NULL;
 749         GtkTreeIter next, sel;
 750
 751         if (!gtk_tree_selection_get_selected
 752                 (gtk_tree_view_get_selection
 753                         (GTK_TREE_VIEW(customhdr.list_view)),
 754                  &model,
 755                  &sel))
 756                 return;
 757         store = (GtkListStore *)model;
 758         next = sel;
 759         if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &next))
 760                 return;
 761
 762         gtk_list_store_swap(store, &next, &sel);
 763         prefs_custom_header_set_list(cur_ac);
 764 }
 765
 766 static gboolean prefs_custom_header_key_pressed(GtkWidget *widget,
 767                                                 GdkEventKey *event,
 768                                                 gpointer data)
 769 {
 770         if (event && event->keyval == GDK_KEY_Escape)
 771                 prefs_custom_header_cancel();
 772         return FALSE;
 773 }
 774
 775 static void prefs_custom_header_ok(void)
 776 {
 777         prefs_custom_header_write_config(cur_ac);
 778         gtk_widget_hide(customhdr.window);
 779         gtk_window_set_modal(GTK_WINDOW(customhdr.window), FALSE);
 780 }
 781
 782 static void prefs_custom_header_cancel(void)
 783 {
 784         prefs_custom_header_read_config(cur_ac);
 785         gtk_widget_hide(customhdr.window);
 786         gtk_window_set_modal(GTK_WINDOW(customhdr.window), FALSE);
 787 }
 788
 789 static gint prefs_custom_header_deleted(GtkWidget *widget, GdkEventAny *event,
 790                                         gpointer data)
 791 {
 792         prefs_custom_header_cancel();
 793         return TRUE;
 794 }
 795
 796 static GtkListStore* prefs_custom_header_create_data_store(void)
 797 {
 798         return gtk_list_store_new(N_CUSTHDR_COLUMNS,
 799                                   G_TYPE_STRING,
 800                                   G_TYPE_POINTER,
 801                                   -1);
 802 }
 803
 804 static void prefs_custom_header_list_view_insert_header(GtkWidget *list_view,
 805                                                         GtkTreeIter *row_iter,
 806                                                         gchar *header,
 807                                                         gpointer data)
 808 {
 809         GtkTreeIter iter;
 810         GtkListStore *list_store = GTK_LIST_STORE(gtk_tree_view_get_model
 811                                         (GTK_TREE_VIEW(list_view)));
 812
 813         if (row_iter == NULL) {
 814                 /* append new */
 815                 gtk_list_store_append(list_store, &iter);
 816                 gtk_list_store_set(list_store, &iter,
 817                                    CUSTHDR_STRING, header,
 818                                    CUSTHDR_DATA,   data,
 819                                    -1);
 820         } else {
 821                 /* change existing */
 822                 CustomHeader *old_data;
 823
 824                 gtk_tree_model_get(GTK_TREE_MODEL(list_store), row_iter,
 825                                    CUSTHDR_DATA, &old_data,
 826                                    -1);
 827
 828                 custom_header_free(old_data);
 829
 830                 gtk_list_store_set(list_store, row_iter,
 831                                    CUSTHDR_STRING, header,
 832                                    CUSTHDR_DATA, data,
 833                                    -1);
 834         }
 835 }
 836
 837 static GtkWidget *prefs_custom_header_list_view_create(void)
 838 {
 839         GtkTreeView *list_view;
 840         GtkTreeSelection *selector;
 841         GtkTreeModel *model;
 842
 843         model = GTK_TREE_MODEL(prefs_custom_header_create_data_store());
 844         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
 845         g_object_unref(model);
 846
 847         gtk_tree_view_set_reorderable(list_view, TRUE);
 848
 849         selector = gtk_tree_view_get_selection(list_view);
 850         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 851         gtk_tree_selection_set_select_function(selector, prefs_custom_header_selected,
 852                                                NULL, NULL);
 853
 854         /* create the columns */
 855         prefs_custom_header_create_list_view_columns(GTK_WIDGET(list_view));
 856
 857         return GTK_WIDGET(list_view);
 858 }
 859
 860 static void prefs_custom_header_create_list_view_columns(GtkWidget *list_view)
 861 {
 862         GtkTreeViewColumn *column;
 863         GtkCellRenderer *renderer;
 864
 865         renderer = gtk_cell_renderer_text_new();
 866         column = gtk_tree_view_column_new_with_attributes
 867                 (_("Current custom headers"),
 868                  renderer,
 869                  "text", CUSTHDR_STRING,
 870                  NULL);
 871         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 872 }
 873
 874 #define ENTRY_SET_TEXT(entry, str) \
 875         gtk_entry_set_text(GTK_ENTRY(entry), str ? str : "")
 876
 877 static gboolean prefs_custom_header_selected(GtkTreeSelection *selector,
 878                                              GtkTreeModel *model,
 879                                              GtkTreePath *path,
 880                                              gboolean currently_selected,
 881                                              gpointer data)
 882 {
 883         GtkTreeIter iter;
 884         CustomHeader *ch;
 885         GtkImage *preview;
 886         GdkPixbuf *pixbuf;
 887         CustomHeader default_ch = { 0, "", NULL };
 888
 889         if (currently_selected)
 890                 return TRUE;
 891
 892         if (!gtk_tree_model_get_iter(model, &iter, path))
 893                 return TRUE;
 894
 895         gtk_tree_model_get(model, &iter,
 896                            CUSTHDR_DATA, &ch,
 897                            -1);
 898
 899         if (!ch) ch = &default_ch;
 900
 901         ENTRY_SET_TEXT(customhdr.hdr_entry, ch->name);
 902         ENTRY_SET_TEXT(customhdr.val_entry, ch->value);
 903         if (!g_strcmp0("Face",ch->name) && ch->value != NULL) {
 904                 preview = GTK_IMAGE(face_get_from_header (ch->value));
 905                 pixbuf = gtk_image_get_pixbuf(preview);
 906                 gtk_image_set_from_pixbuf (GTK_IMAGE(customhdr.preview), pixbuf);
 907                 gtk_widget_show(customhdr.preview);
 908                 g_object_ref_sink (G_OBJECT(preview));
 909         }
 910 #if HAVE_LIBCOMPFACE
 911         else if (!g_strcmp0("X-Face", ch->name) && ch->value != NULL) {
 912                 preview = GTK_IMAGE(xface_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 #endif
 919         else {
 920                 gtk_widget_hide(customhdr.preview);
 921         }
 922         return TRUE;
 923 }
 924
 925 #undef ENTRY_SET_TEXT