src/prefs_display_header.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 "prefs_gtk.h"
  37 #include "prefs_display_header.h"
  38 #include "prefs_common.h"
  39 #include "manage_window.h"
  40 #include "alertpanel.h"
  41 #include "displayheader.h"
  42 #include "utils.h"
  43 #include "gtkutils.h"
  44
  45 enum {
  46         PREFS_HDR_HEADER,
  47         PREFS_HDR_DATA,
  48         N_PREFS_HDR_COLUMNS
  49 };
  50
  51 static struct DisplayHeader {
  52         GtkWidget *window;
  53
  54         GtkWidget *ok_btn;
  55         GtkWidget *cancel_btn;
  56
  57         GtkWidget *hdr_combo;
  58         GtkWidget *key_check;
  59         GtkWidget *headers_list_view;
  60         GtkWidget *hidden_headers_list_view;
  61
  62         GtkWidget *other_headers;
  63 } dispheader;
  64
  65 /* widget creating functions */
  66 static void prefs_display_header_create (void);
  67
  68 static void prefs_display_header_set_dialog     (void);
  69 static void prefs_display_header_set_list       (void);
  70 static void prefs_display_header_list_view_set_row      (gboolean hidden);
  71
  72 /* callback functions */
  73 static void prefs_display_header_register_cb    (GtkButton      *btn,
  74                                                  gpointer        hidden_data);
  75 static void prefs_display_header_delete_cb      (GtkButton      *btn,
  76                                                  gpointer        list_view_data);
  77 static void prefs_display_header_up             (void);
  78 static void prefs_display_header_down           (void);
  79
  80 static gboolean prefs_display_header_key_pressed        (GtkWidget      *widget,
  81                                                          GdkEventKey    *event,
  82                                                          gpointer        data);
  83 static void prefs_display_header_ok             (void);
  84 static void prefs_display_header_cancel         (void);
  85 static gint prefs_display_header_deleted        (GtkWidget      *widget,
  86                                                  GdkEventAny    *event,
  87                                                  gpointer        data);
  88
  89
  90 static GtkListStore *prefs_display_header_create_store  (void);
  91 static void prefs_display_header_insert_header          (GtkListStore *store,
  92                                                          gchar *name,
  93                                                          DisplayHeaderProp *dp);
  94 static GtkWidget *prefs_display_header_list_view_create (const gchar *name);
  95 static void prefs_filtering_create_list_view_columns    (GtkWidget *list_view,
  96                                                          const gchar *name);
  97 static void headers_list_model_rows_reordered           (GtkTreeModel *model,
  98                                                          GtkTreePath  *path,
  99                                                          GtkTreeIter  *iter,
 100                                                          gpointer      arg,
 101                                                          GtkTreeView  *list_view);
 102
 103 static void drag_end    (GtkTreeView *list_view,
 104                          GdkDragContext *context,
 105                          gpointer data);
 106
 107 #ifndef GENERIC_UMPC
 108 static gchar *defaults[] =
 109 {
 110         "From",
 111         "To",
 112         "Cc",
 113         "Subject",
 114         "Date",
 115         "Reply-To",
 116         "Sender",
 117         "User-Agent",
 118         "X-Mailer",
 119         "Newsgroups",
 120         "Followup-To",
 121         "Organization",
 122         "X-Newsreader",
 123         "-Received",
 124         "-Message-ID",
 125         "-In-Reply-To",
 126         "-References",
 127         "-Mime-Version",
 128         "-Content-Type",
 129         "-Content-Transfer-Encoding",
 130         "-X-UIDL",
 131         "-Precedence",
 132         "-Status",
 133         "-Priority",
 134         "-X-Face"
 135 };
 136 #else
 137 static gchar *defaults[] =
 138 {
 139         "From",
 140         "To",
 141         "Cc",
 142         "Subject",
 143         "Date",
 144         "Newsgroups",
 145         "Followup-To",
 146         "-Reply-To",
 147         "-Sender",
 148         "-User-Agent",
 149         "-X-Mailer",
 150         "-Organization",
 151         "-X-Newsreader",
 152         "-Received",
 153         "-Message-ID",
 154         "-In-Reply-To",
 155         "-References",
 156         "-Mime-Version",
 157         "-Content-Type",
 158         "-Content-Transfer-Encoding",
 159         "-X-UIDL",
 160         "-Precedence",
 161         "-Status",
 162         "-Priority",
 163         "-X-Face"
 164 };
 165 #endif
 166 static void prefs_display_header_set_default(void)
 167 {
 168         gint i;
 169         DisplayHeaderProp *dp;
 170
 171         for(i = 0; i < sizeof(defaults) / sizeof(defaults[0]); i++) {
 172                 dp = display_header_prop_read_str(defaults[i]);
 173                 prefs_common.disphdr_list =
 174                         g_slist_append(prefs_common.disphdr_list, dp);
 175         }
 176 }
 177
 178 void prefs_display_header_open(void)
 179 {
 180         if (prefs_rc_is_readonly(DISPLAY_HEADER_RC))
 181                 return;
 182
 183         if (!dispheader.window) {
 184                 prefs_display_header_create();
 185         }
 186
 187         manage_window_set_transient(GTK_WINDOW(dispheader.window));
 188         gtk_widget_grab_focus(dispheader.ok_btn);
 189
 190         prefs_display_header_set_dialog();
 191
 192         gtk_widget_show(dispheader.window);
 193         gtk_window_set_modal(GTK_WINDOW(dispheader.window), TRUE);
 194 }
 195
 196 static void prefs_display_header_create(void)
 197 {
 198         GtkWidget *window;
 199         GtkWidget *vbox;
 200         GtkWidget *btn_hbox;
 201         GtkWidget *ok_btn;
 202         GtkWidget *cancel_btn;
 203         GtkWidget *confirm_area;
 204
 205         GtkWidget *vbox1;
 206
 207         GtkWidget *hbox1;
 208         GtkWidget *hdr_label;
 209         GtkWidget *hdr_combo;
 210
 211         GtkWidget *btn_vbox;
 212         GtkWidget *reg_btn;
 213         GtkWidget *del_btn;
 214         GtkWidget *up_btn;
 215         GtkWidget *down_btn;
 216
 217         GtkWidget *list_view_hbox;
 218         GtkWidget *list_view_hbox1;
 219         GtkWidget *list_view_hbox2;
 220         GtkWidget *list_view_scrolledwin;
 221         GtkWidget *headers_list_view;
 222         GtkWidget *hidden_headers_list_view;
 223
 224         GtkWidget *checkbtn_other_headers;
 225         gint i;
 226
 227         debug_print("Creating display header setting window...\n");
 228
 229         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_display_header");
 230         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 231         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 232         gtk_window_set_resizable(GTK_WINDOW (window), TRUE);
 233
 234         vbox = gtk_vbox_new (FALSE, 6);
 235         gtk_widget_show (vbox);
 236         gtk_container_add (GTK_CONTAINER (window), vbox);
 237
 238         btn_hbox = gtk_hbox_new (FALSE, 8);
 239         gtk_widget_show (btn_hbox);
 240         gtk_box_pack_end (GTK_BOX (vbox), btn_hbox, FALSE, FALSE, 0);
 241
 242         gtkut_stock_button_set_create(&confirm_area, &cancel_btn, GTK_STOCK_CANCEL,
 243                                       &ok_btn, GTK_STOCK_OK,
 244                                       NULL, NULL);
 245         gtk_widget_show (confirm_area);
 246         gtk_box_pack_end (GTK_BOX(btn_hbox), confirm_area, FALSE, FALSE, 0);
 247         gtk_widget_grab_default (ok_btn);
 248
 249         gtk_window_set_title (GTK_WINDOW(window),
 250                               _("Displayed header configuration"));
 251         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 252         g_signal_connect (G_OBJECT(window), "delete_event",
 253                           G_CALLBACK(prefs_display_header_deleted),
 254                           NULL);
 255         g_signal_connect (G_OBJECT(window), "key_press_event",
 256                           G_CALLBACK(prefs_display_header_key_pressed),
 257                           NULL);
 258         g_signal_connect (G_OBJECT(ok_btn), "clicked",
 259                           G_CALLBACK(prefs_display_header_ok),
 260                           NULL);
 261         g_signal_connect (G_OBJECT(cancel_btn), "clicked",
 262                           G_CALLBACK(prefs_display_header_cancel),
 263                           NULL);
 264
 265         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 266         gtk_widget_show (vbox1);
 267         gtk_box_pack_start (GTK_BOX (vbox), vbox1, TRUE, TRUE, 0);
 268         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 269
 270         hbox1 = gtk_hbox_new (FALSE, 8);
 271         gtk_widget_show (hbox1);
 272         gtk_box_pack_start (GTK_BOX (vbox1), hbox1, FALSE, TRUE, 0);
 273
 274         hdr_label = gtk_label_new (_("Header name"));
 275         gtk_widget_show (hdr_label);
 276         gtk_box_pack_start (GTK_BOX (hbox1), hdr_label, FALSE, FALSE, 0);
 277
 278         hdr_combo = gtk_combo_box_entry_new_text();
 279         for(i=0; i < 9 ; i++)
 280                 gtk_combo_box_append_text(GTK_COMBO_BOX (hdr_combo),
 281                         (*defaults[i] == '-') ? defaults[i]+1 : defaults[i]);
 282         gtk_combo_box_set_active(GTK_COMBO_BOX(hdr_combo), 0);
 283         gtk_widget_show (hdr_combo);
 284         gtk_box_pack_start (GTK_BOX (hbox1), hdr_combo, TRUE, TRUE, 0);
 285         gtk_widget_set_size_request (hdr_combo, 150, -1);
 286
 287         list_view_hbox = gtk_hbox_new (FALSE, 10);
 288         gtk_widget_show (list_view_hbox);
 289         gtk_box_pack_start (GTK_BOX (vbox1), list_view_hbox, TRUE, TRUE, 0);
 290
 291         /* display headers list */
 292
 293         list_view_hbox1 = gtk_hbox_new (FALSE, 8);
 294         gtk_widget_show (list_view_hbox1);
 295         gtk_box_pack_start (GTK_BOX (list_view_hbox), list_view_hbox1, TRUE, TRUE, 0);
 296
 297         list_view_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 298         gtk_widget_set_size_request (list_view_scrolledwin, 200, 210);
 299         gtk_widget_show (list_view_scrolledwin);
 300         gtk_box_pack_start (GTK_BOX (list_view_hbox1), list_view_scrolledwin,
 301                             TRUE, TRUE, 0);
 302         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (list_view_scrolledwin),
 303                                         GTK_POLICY_AUTOMATIC,
 304                                         GTK_POLICY_AUTOMATIC);
 305         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(list_view_scrolledwin),
 306                                             GTK_SHADOW_IN);
 307
 308         headers_list_view = prefs_display_header_list_view_create
 309                                 (_("Displayed Headers"));
 310         gtk_widget_show (headers_list_view);
 311         gtk_container_add(GTK_CONTAINER(list_view_scrolledwin), headers_list_view);
 312         gtk_tree_view_set_reorderable(GTK_TREE_VIEW(headers_list_view), TRUE);
 313
 314         g_signal_connect(G_OBJECT(headers_list_view), "drag_end",
 315                          G_CALLBACK(drag_end),
 316                          headers_list_view);
 317
 318         /* connect rows change for this list view's model */
 319         g_signal_connect(G_OBJECT(gtk_tree_view_get_model(GTK_TREE_VIEW(headers_list_view))),
 320                          "rows-reordered",
 321                          G_CALLBACK(headers_list_model_rows_reordered),
 322                          headers_list_view);
 323
 324         btn_vbox = gtk_vbox_new (FALSE, 8);
 325         gtk_widget_show (btn_vbox);
 326         gtk_box_pack_start (GTK_BOX (list_view_hbox1), btn_vbox, FALSE, FALSE, 0);
 327
 328         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 329         gtk_widget_show (reg_btn);
 330         gtk_box_pack_start (GTK_BOX (btn_vbox), reg_btn, FALSE, TRUE, 0);
 331         g_signal_connect (G_OBJECT (reg_btn), "clicked",
 332                           G_CALLBACK (prefs_display_header_register_cb),
 333                             GINT_TO_POINTER(FALSE));
 334         del_btn = gtk_button_new_from_stock (GTK_STOCK_REMOVE);
 335         gtk_widget_show (del_btn);
 336         gtk_box_pack_start (GTK_BOX (btn_vbox), del_btn, FALSE, TRUE, 0);
 337         g_signal_connect (G_OBJECT (del_btn), "clicked",
 338                           G_CALLBACK (prefs_display_header_delete_cb),
 339                           headers_list_view);
 340
 341         up_btn = gtk_button_new_from_stock (GTK_STOCK_GO_UP);
 342         gtk_widget_show (up_btn);
 343         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 344         g_signal_connect (G_OBJECT (up_btn), "clicked",
 345                           G_CALLBACK (prefs_display_header_up), NULL);
 346
 347         down_btn = gtk_button_new_from_stock (GTK_STOCK_GO_DOWN);
 348         gtk_widget_show (down_btn);
 349         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 350         g_signal_connect (G_OBJECT (down_btn), "clicked",
 351                           G_CALLBACK (prefs_display_header_down), NULL);
 352
 353         /* hidden headers list */
 354
 355         list_view_hbox2 = gtk_hbox_new (FALSE, 8);
 356         gtk_widget_show (list_view_hbox2);
 357         gtk_box_pack_start (GTK_BOX (list_view_hbox), list_view_hbox2, TRUE, TRUE, 0);
 358
 359         list_view_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 360         gtk_widget_set_size_request (list_view_scrolledwin, 200, 210);
 361         gtk_widget_show (list_view_scrolledwin);
 362         gtk_box_pack_start (GTK_BOX (list_view_hbox2), list_view_scrolledwin,
 363                             TRUE, TRUE, 0);
 364         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (list_view_scrolledwin),
 365                                         GTK_POLICY_AUTOMATIC,
 366                                         GTK_POLICY_AUTOMATIC);
 367         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(list_view_scrolledwin),
 368                                             GTK_SHADOW_IN);
 369
 370         hidden_headers_list_view = prefs_display_header_list_view_create
 371                                         (_("Hidden headers"));
 372         gtk_widget_show (hidden_headers_list_view);
 373         gtk_container_add (GTK_CONTAINER (list_view_scrolledwin),
 374                            hidden_headers_list_view);
 375
 376         btn_vbox = gtk_vbox_new (FALSE, 8);
 377         gtk_widget_show (btn_vbox);
 378         gtk_box_pack_start (GTK_BOX (list_view_hbox2), btn_vbox, FALSE, FALSE, 0);
 379
 380         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 381         gtk_widget_show (reg_btn);
 382         gtk_box_pack_start (GTK_BOX (btn_vbox), reg_btn, FALSE, TRUE, 0);
 383         g_signal_connect (G_OBJECT (reg_btn), "clicked",
 384                             G_CALLBACK
 385                             (prefs_display_header_register_cb),
 386                             GINT_TO_POINTER(TRUE));
 387         del_btn = gtk_button_new_from_stock (GTK_STOCK_DELETE);
 388         gtk_widget_show (del_btn);
 389         gtk_box_pack_start (GTK_BOX (btn_vbox), del_btn, FALSE, TRUE, 0);
 390         g_signal_connect (G_OBJECT       (del_btn), "clicked",
 391                             G_CALLBACK (prefs_display_header_delete_cb),
 392                             hidden_headers_list_view);
 393
 394
 395
 396         PACK_CHECK_BUTTON (vbox, checkbtn_other_headers,
 397                            _("Show all unspecified headers"));
 398         SET_TOGGLE_SENSITIVITY (checkbtn_other_headers, list_view_hbox2);
 399
 400         gtk_widget_show_all(window);
 401
 402         dispheader.window        = window;
 403         dispheader.ok_btn        = ok_btn;
 404         dispheader.cancel_btn    = cancel_btn;
 405
 406         dispheader.hdr_combo     = hdr_combo;
 407
 408         dispheader.headers_list_view        = headers_list_view;
 409         dispheader.hidden_headers_list_view = hidden_headers_list_view;
 410
 411         dispheader.other_headers = checkbtn_other_headers;
 412 }
 413
 414 void prefs_display_header_read_config(void)
 415 {
 416         gchar *rcpath;
 417         FILE *fp;
 418         gchar buf[PREFSBUFSIZE];
 419         DisplayHeaderProp *dp;
 420
 421         debug_print("Reading configuration for displaying headers...\n");
 422
 423         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 424                              DISPLAY_HEADER_RC, NULL);
 425         if ((fp = g_fopen(rcpath, "rb")) == NULL) {
 426                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 427                 g_free(rcpath);
 428                 prefs_common.disphdr_list = NULL;
 429                 prefs_display_header_set_default();
 430                 return;
 431         }
 432         g_free(rcpath);
 433
 434         /* remove all previous headers list */
 435         while (prefs_common.disphdr_list != NULL) {
 436                 dp = (DisplayHeaderProp *)prefs_common.disphdr_list->data;
 437                 display_header_prop_free(dp);
 438                 prefs_common.disphdr_list =
 439                         g_slist_remove(prefs_common.disphdr_list, dp);
 440         }
 441
 442         while (fgets(buf, sizeof(buf), fp) != NULL) {
 443                 g_strdelimit(buf, "\r\n", '\0');
 444                 dp = display_header_prop_read_str(buf);
 445                 if (dp)
 446                         prefs_common.disphdr_list =
 447                                 g_slist_append(prefs_common.disphdr_list, dp);
 448         }
 449
 450         fclose(fp);
 451 }
 452
 453 static void prefs_display_header_write_config(void)
 454 {
 455         gchar *rcpath;
 456         PrefFile *pfile;
 457         GSList *cur;
 458
 459         debug_print("Writing configuration for displaying headers...\n");
 460
 461         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 462                              DISPLAY_HEADER_RC, NULL);
 463
 464         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 465                 g_warning("failed to write configuration to file\n");
 466                 g_free(rcpath);
 467                 return;
 468         }
 469
 470         for (cur = prefs_common.disphdr_list; cur != NULL;
 471              cur = cur->next) {
 472                 DisplayHeaderProp *dp = (DisplayHeaderProp *)cur->data;
 473                 gchar *dpstr;
 474
 475                 dpstr = display_header_prop_get_str(dp);
 476                 if (fputs(dpstr, pfile->fp) == EOF ||
 477                     fputc('\n', pfile->fp) == EOF) {
 478                         FILE_OP_ERROR(rcpath, "fputs || fputc");
 479                         prefs_file_close_revert(pfile);
 480                         g_free(rcpath);
 481                         g_free(dpstr);
 482                         return;
 483                 }
 484                 g_free(dpstr);
 485         }
 486
 487         g_free(rcpath);
 488
 489         if (prefs_file_close(pfile) < 0) {
 490                 g_warning("failed to write configuration to file\n");
 491                 return;
 492         }
 493 }
 494
 495 static void prefs_display_header_set_dialog(void)
 496 {
 497         GtkTreeView *list_view = GTK_TREE_VIEW(dispheader.headers_list_view);
 498         GtkTreeView *hidden_list_view = GTK_TREE_VIEW(dispheader.hidden_headers_list_view);
 499         GSList *cur;
 500         GtkTreeModel *model_list, *model_hidden;
 501
 502         model_list = gtk_tree_view_get_model(list_view);
 503         model_hidden = gtk_tree_view_get_model(hidden_list_view);
 504
 505         gtk_list_store_clear(GTK_LIST_STORE(model_list));
 506         gtk_list_store_clear(GTK_LIST_STORE(model_hidden));
 507
 508         for (cur = prefs_common.disphdr_list; cur != NULL;
 509              cur = cur->next) {
 510                 DisplayHeaderProp *dp = (DisplayHeaderProp *)cur->data;
 511
 512                 if (dp->hidden)
 513                         prefs_display_header_insert_header(GTK_LIST_STORE
 514                                                 (model_hidden), dp->name, dp);
 515                 else
 516                         prefs_display_header_insert_header(GTK_LIST_STORE
 517                                                 (model_list), dp->name, dp);
 518         }
 519
 520         gtk_toggle_button_set_active
 521                 (GTK_TOGGLE_BUTTON(dispheader.other_headers),
 522                  prefs_common.show_other_header);
 523 }
 524
 525 static void prefs_display_header_set_list(void)
 526 {
 527         gint row = 0;
 528         DisplayHeaderProp *dp;
 529         GtkTreeModel *model;
 530         GtkTreeIter iter;
 531
 532         g_slist_free(prefs_common.disphdr_list);
 533         prefs_common.disphdr_list = NULL;
 534
 535         model = gtk_tree_view_get_model(GTK_TREE_VIEW(dispheader.headers_list_view));
 536         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 537                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 538                 if (dp)
 539                         prefs_common.disphdr_list =
 540                                 g_slist_append(prefs_common.disphdr_list, dp);
 541                 row++;
 542         }
 543
 544         model = gtk_tree_view_get_model
 545                         (GTK_TREE_VIEW(dispheader.hidden_headers_list_view));
 546         row = 0;
 547         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 548                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 549                 if (dp)
 550                         prefs_common.disphdr_list =
 551                                 g_slist_append(prefs_common.disphdr_list, dp);
 552                 row++;
 553         }
 554 }
 555
 556 static gint prefs_display_header_find_header(GtkTreeView *list_view,
 557                                              const gchar *header)
 558 {
 559         gint row = 0;
 560         DisplayHeaderProp *dp;
 561         GtkTreeModel *model;
 562         GtkTreeIter iter;
 563
 564         model = gtk_tree_view_get_model(list_view);
 565         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 566                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 567                 if (dp && g_ascii_strcasecmp(dp->name, header) == 0)
 568                         return row;
 569                 row++;
 570         }
 571
 572         return -1;
 573 }
 574
 575 static void prefs_display_header_list_view_set_row(gboolean hidden)
 576 {
 577         GtkTreeView *list_view;
 578         DisplayHeaderProp *dp;
 579         gchar *entry_text;
 580         GtkTreeModel *model;
 581
 582         entry_text = gtk_combo_box_get_active_text(GTK_COMBO_BOX(dispheader.hdr_combo));
 583         if (!entry_text)
 584                 entry_text = gtk_editable_get_chars(
 585                                 GTK_EDITABLE(gtk_bin_get_child(GTK_BIN(dispheader.hdr_combo))),0,-1);
 586         if (!entry_text || entry_text[0] == '\0') {
 587                 alertpanel_error(_("Header name is not set."));
 588                 return;
 589         }
 590
 591         if (hidden)
 592                 list_view = GTK_TREE_VIEW(dispheader.hidden_headers_list_view);
 593         else
 594                 list_view = GTK_TREE_VIEW(dispheader.headers_list_view);
 595
 596         if (prefs_display_header_find_header(list_view, entry_text) != -1) {
 597                 alertpanel_error(_("This header is already in the list."));
 598                 return;
 599         }
 600
 601         dp = g_new0(DisplayHeaderProp, 1);
 602
 603         dp->name = g_strdup(entry_text);
 604         dp->hidden = hidden;
 605
 606         model = gtk_tree_view_get_model(list_view);
 607         prefs_display_header_insert_header(GTK_LIST_STORE(model),
 608                                            dp->name, dp);
 609
 610         prefs_display_header_set_list();
 611
 612         g_free(entry_text);
 613 }
 614
 615 static void prefs_display_header_register_cb(GtkButton *btn,
 616                                              gpointer hidden_data)
 617 {
 618         prefs_display_header_list_view_set_row(GPOINTER_TO_INT(hidden_data));
 619 }
 620
 621 static void prefs_display_header_delete_cb(GtkButton *btn, gpointer list_view_data)
 622 {
 623         GtkTreeView *list_view = GTK_TREE_VIEW(list_view_data);
 624         DisplayHeaderProp *dp;
 625         GtkListStore *store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 626         GtkTreeSelection *selection = gtk_tree_view_get_selection(list_view);
 627         GtkTreeIter iter;
 628
 629         if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
 630                 return;
 631
 632         gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, PREFS_HDR_DATA, &dp, -1);
 633         if (!dp)
 634                 return;
 635
 636         prefs_common.disphdr_list =
 637                 g_slist_remove(prefs_common.disphdr_list, dp);
 638         display_header_prop_free(dp);
 639         gtk_list_store_remove(store, &iter);
 640 }
 641
 642 static void prefs_display_header_up(void)
 643 {
 644         GtkTreePath *prev, *sel, *try;
 645         GtkTreeIter isel;
 646         GtkListStore *store = NULL;
 647         GtkTreeModel *model = NULL;
 648         GtkTreeIter iprev;
 649
 650         if (!gtk_tree_selection_get_selected
 651                 (gtk_tree_view_get_selection
 652                         (GTK_TREE_VIEW(dispheader.headers_list_view)),
 653                  &model,
 654                  &isel))
 655                 return;
 656         store = (GtkListStore *)model;
 657         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &isel);
 658         if (!sel)
 659                 return;
 660
 661         /* no move if we're at row 0... */
 662         try = gtk_tree_path_copy(sel);
 663         if (!gtk_tree_path_prev(try)) {
 664                 gtk_tree_path_free(try);
 665                 gtk_tree_path_free(sel);
 666                 return;
 667         }
 668
 669         prev = try;
 670         gtk_tree_model_get_iter(GTK_TREE_MODEL(store),
 671                                 &iprev, prev);
 672         gtk_list_store_swap(store, &iprev, &isel);
 673
 674         gtk_tree_path_free(sel);
 675         gtk_tree_path_free(prev);
 676 }
 677
 678 static void prefs_display_header_down(void)
 679 {
 680         GtkListStore *store = NULL;
 681         GtkTreeModel *model = NULL;
 682         GtkTreeIter next, sel;
 683         GtkTreePath *try;
 684
 685         if (!gtk_tree_selection_get_selected
 686                 (gtk_tree_view_get_selection
 687                         (GTK_TREE_VIEW(dispheader.headers_list_view)),
 688                  &model,
 689                  &sel))
 690                 return;
 691         store = (GtkListStore *)model;
 692         try = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &sel);
 693         if (!try)
 694                 return;
 695
 696         next = sel;
 697         if (gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &next))
 698                 gtk_list_store_swap(store, &next, &sel);
 699
 700         gtk_tree_path_free(try);
 701 }
 702
 703 static gboolean prefs_display_header_key_pressed(GtkWidget *widget,
 704                                              GdkEventKey *event,
 705                                              gpointer data)
 706 {
 707         if (event && event->keyval == GDK_KEY_Escape)
 708                 prefs_display_header_cancel();
 709         return FALSE;
 710 }
 711
 712 static void prefs_display_header_ok(void)
 713 {
 714         prefs_common.show_other_header =
 715                 gtk_toggle_button_get_active
 716                         (GTK_TOGGLE_BUTTON(dispheader.other_headers));
 717         prefs_display_header_write_config();
 718         gtk_widget_hide(dispheader.window);
 719         gtk_window_set_modal(GTK_WINDOW(dispheader.window), FALSE);
 720 }
 721
 722 static void prefs_display_header_cancel(void)
 723 {
 724         prefs_display_header_read_config();
 725         gtk_widget_hide(dispheader.window);
 726         gtk_window_set_modal(GTK_WINDOW(dispheader.window), FALSE);
 727 }
 728
 729 static gint prefs_display_header_deleted(GtkWidget *widget, GdkEventAny *event,
 730                                          gpointer data)
 731 {
 732         prefs_display_header_cancel();
 733         return TRUE;
 734 }
 735
 736 static GtkListStore *prefs_display_header_create_store(void)
 737 {
 738         return gtk_list_store_new(N_PREFS_HDR_COLUMNS,
 739                                   G_TYPE_STRING,
 740                                   G_TYPE_POINTER,
 741                                   -1);
 742 }
 743
 744 static void prefs_display_header_insert_header(GtkListStore *store,
 745                                                gchar *name,
 746                                                DisplayHeaderProp *dp)
 747 {
 748         GtkTreeIter iter;
 749
 750         /* add new */
 751         gtk_list_store_append(store, &iter);
 752         gtk_list_store_set(store, &iter,
 753                            PREFS_HDR_HEADER,
 754                            name,
 755                            PREFS_HDR_DATA, dp,
 756                            -1);
 757 }
 758
 759 static GtkWidget *prefs_display_header_list_view_create(const gchar *name)
 760 {
 761         GtkWidget *list_view;
 762         GtkTreeSelection *selector;
 763         GtkTreeModel *model;
 764
 765         model = GTK_TREE_MODEL(prefs_display_header_create_store());
 766         list_view = gtk_tree_view_new_with_model(model);
 767         g_object_unref(G_OBJECT(model));
 768
 769         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view),
 770                                      prefs_common.use_stripes_everywhere);
 771
 772         selector = gtk_tree_view_get_selection(GTK_TREE_VIEW(list_view));
 773         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 774
 775         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view), name);
 776
 777         return list_view;
 778 }
 779
 780 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view,
 781                                                      const gchar *name)
 782 {
 783         GtkTreeViewColumn *column;
 784         GtkCellRenderer *renderer;
 785
 786         renderer = gtk_cell_renderer_text_new();
 787         column = gtk_tree_view_column_new_with_attributes
 788                 (name, renderer, "text", PREFS_HDR_HEADER, NULL);
 789         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 790 }
 791
 792 /*!
 793  *\brief        Called as a result of a gtk_list_store_swap()
 794  */
 795 static void headers_list_model_rows_reordered(GtkTreeModel *model,
 796                                               GtkTreePath  *path,
 797                                               GtkTreeIter  *iter,
 798                                               gpointer      arg,
 799                                               GtkTreeView  *list_view)
 800 {
 801         prefs_display_header_set_list();
 802 }
 803
 804 /*!
 805  *\brief        Called as a result of a drag & drop
 806  */
 807 static void drag_end(GtkTreeView *list_view,
 808                     GdkDragContext *context,
 809                     gpointer data)
 810 {
 811         prefs_display_header_set_list();
 812 }
 813