src/prefs_display_header.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2011 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 #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 "prefs_gtk.h"
  36 #include "prefs_display_header.h"
  37 #include "prefs_common.h"
  38 #include "manage_window.h"
  39 #include "alertpanel.h"
  40 #include "displayheader.h"
  41 #include "utils.h"
  42 #include "gtkutils.h"
  43
  44 enum {
  45         PREFS_HDR_HEADER,
  46         PREFS_HDR_DATA,
  47         N_PREFS_HDR_COLUMNS
  48 };
  49
  50 static struct DisplayHeader {
  51         GtkWidget *window;
  52
  53         GtkWidget *ok_btn;
  54         GtkWidget *cancel_btn;
  55
  56         GtkWidget *hdr_combo;
  57         GtkWidget *key_check;
  58         GtkWidget *headers_list_view;
  59         GtkWidget *hidden_headers_list_view;
  60
  61         GtkWidget *other_headers;
  62 } dispheader;
  63
  64 /* widget creating functions */
  65 static void prefs_display_header_create (void);
  66
  67 static void prefs_display_header_set_dialog     (void);
  68 static void prefs_display_header_set_list       (void);
  69 static void prefs_display_header_list_view_set_row      (gboolean hidden);
  70
  71 /* callback functions */
  72 static void prefs_display_header_register_cb    (GtkButton      *btn,
  73                                                  gpointer        hidden_data);
  74 static void prefs_display_header_delete_cb      (GtkButton      *btn,
  75                                                  gpointer        list_view_data);
  76 static void prefs_display_header_up             (void);
  77 static void prefs_display_header_down           (void);
  78
  79 static gboolean prefs_display_header_key_pressed        (GtkWidget      *widget,
  80                                                          GdkEventKey    *event,
  81                                                          gpointer        data);
  82 static void prefs_display_header_ok             (void);
  83 static void prefs_display_header_cancel         (void);
  84 static gint prefs_display_header_deleted        (GtkWidget      *widget,
  85                                                  GdkEventAny    *event,
  86                                                  gpointer        data);
  87
  88
  89 static GtkListStore *prefs_display_header_create_store  (void);
  90 static void prefs_display_header_insert_header          (GtkListStore *store,
  91                                                          gchar *name,
  92                                                          DisplayHeaderProp *dp);
  93 static GtkWidget *prefs_display_header_list_view_create (const gchar *name);
  94 static void prefs_filtering_create_list_view_columns    (GtkWidget *list_view,
  95                                                          const gchar *name);
  96 static void headers_list_model_rows_reordered           (GtkTreeModel *model,
  97                                                          GtkTreePath  *path,
  98                                                          GtkTreeIter  *iter,
  99                                                          gpointer      arg,
 100                                                          GtkTreeView  *list_view);
 101
 102 static void drag_end    (GtkTreeView *list_view,
 103                          GdkDragContext *context,
 104                          gpointer data);
 105
 106 #ifndef GENERIC_UMPC
 107 static gchar *defaults[] =
 108 {
 109         "From",
 110         "To",
 111         "Cc",
 112         "Subject",
 113         "Date",
 114         "Reply-To",
 115         "Sender",
 116         "User-Agent",
 117         "X-Mailer",
 118         "Newsgroups",
 119         "Followup-To",
 120         "Organization",
 121         "X-Newsreader",
 122         "-Received",
 123         "-Message-ID",
 124         "-In-Reply-To",
 125         "-References",
 126         "-Mime-Version",
 127         "-Content-Type",
 128         "-Content-Transfer-Encoding",
 129         "-X-UIDL",
 130         "-Precedence",
 131         "-Status",
 132         "-Priority",
 133         "-X-Face"
 134 };
 135 #else
 136 static gchar *defaults[] =
 137 {
 138         "From",
 139         "To",
 140         "Cc",
 141         "Subject",
 142         "Date",
 143         "Newsgroups",
 144         "Followup-To",
 145         "-Reply-To",
 146         "-Sender",
 147         "-User-Agent",
 148         "-X-Mailer",
 149         "-Organization",
 150         "-X-Newsreader",
 151         "-Received",
 152         "-Message-ID",
 153         "-In-Reply-To",
 154         "-References",
 155         "-Mime-Version",
 156         "-Content-Type",
 157         "-Content-Transfer-Encoding",
 158         "-X-UIDL",
 159         "-Precedence",
 160         "-Status",
 161         "-Priority",
 162         "-X-Face"
 163 };
 164 #endif
 165 static void prefs_display_header_set_default(void)
 166 {
 167         gint i;
 168         DisplayHeaderProp *dp;
 169
 170         for(i = 0; i < sizeof(defaults) / sizeof(defaults[0]); i++) {
 171                 dp = display_header_prop_read_str(defaults[i]);
 172                 prefs_common.disphdr_list =
 173                         g_slist_append(prefs_common.disphdr_list, dp);
 174         }
 175 }
 176
 177 void prefs_display_header_open(void)
 178 {
 179         if (prefs_rc_is_readonly(DISPLAY_HEADER_RC))
 180                 return;
 181
 182         if (!dispheader.window) {
 183                 prefs_display_header_create();
 184         }
 185
 186         manage_window_set_transient(GTK_WINDOW(dispheader.window));
 187         gtk_widget_grab_focus(dispheader.ok_btn);
 188
 189         prefs_display_header_set_dialog();
 190
 191         gtk_widget_show(dispheader.window);
 192         gtk_window_set_modal(GTK_WINDOW(dispheader.window), TRUE);
 193 }
 194
 195 static void prefs_display_header_create(void)
 196 {
 197         GtkWidget *window;
 198         GtkWidget *vbox;
 199         GtkWidget *btn_hbox;
 200         GtkWidget *ok_btn;
 201         GtkWidget *cancel_btn;
 202         GtkWidget *confirm_area;
 203
 204         GtkWidget *vbox1;
 205
 206         GtkWidget *hbox1;
 207         GtkWidget *hdr_label;
 208         GtkWidget *hdr_combo;
 209
 210         GtkWidget *btn_vbox;
 211         GtkWidget *reg_btn;
 212         GtkWidget *del_btn;
 213         GtkWidget *up_btn;
 214         GtkWidget *down_btn;
 215
 216         GtkWidget *list_view_hbox;
 217         GtkWidget *list_view_hbox1;
 218         GtkWidget *list_view_hbox2;
 219         GtkWidget *list_view_scrolledwin;
 220         GtkWidget *headers_list_view;
 221         GtkWidget *hidden_headers_list_view;
 222
 223         GtkWidget *checkbtn_other_headers;
 224         gint i;
 225
 226         debug_print("Creating display header setting window...\n");
 227
 228         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_display_header");
 229         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 230         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 231         gtk_window_set_resizable(GTK_WINDOW (window), TRUE);
 232
 233         vbox = gtk_vbox_new (FALSE, 6);
 234         gtk_widget_show (vbox);
 235         gtk_container_add (GTK_CONTAINER (window), vbox);
 236
 237         btn_hbox = gtk_hbox_new (FALSE, 8);
 238         gtk_widget_show (btn_hbox);
 239         gtk_box_pack_end (GTK_BOX (vbox), btn_hbox, FALSE, FALSE, 0);
 240
 241         gtkut_stock_button_set_create(&confirm_area, &cancel_btn, GTK_STOCK_CANCEL,
 242                                       &ok_btn, GTK_STOCK_OK,
 243                                       NULL, NULL);
 244         gtk_widget_show (confirm_area);
 245         gtk_box_pack_end (GTK_BOX(btn_hbox), confirm_area, FALSE, FALSE, 0);
 246         gtk_widget_grab_default (ok_btn);
 247
 248         gtk_window_set_title (GTK_WINDOW(window),
 249                               _("Displayed header configuration"));
 250         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 251         g_signal_connect (G_OBJECT(window), "delete_event",
 252                           G_CALLBACK(prefs_display_header_deleted),
 253                           NULL);
 254         g_signal_connect (G_OBJECT(window), "key_press_event",
 255                           G_CALLBACK(prefs_display_header_key_pressed),
 256                           NULL);
 257         g_signal_connect (G_OBJECT(ok_btn), "clicked",
 258                           G_CALLBACK(prefs_display_header_ok),
 259                           NULL);
 260         g_signal_connect (G_OBJECT(cancel_btn), "clicked",
 261                           G_CALLBACK(prefs_display_header_cancel),
 262                           NULL);
 263
 264         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 265         gtk_widget_show (vbox1);
 266         gtk_box_pack_start (GTK_BOX (vbox), vbox1, TRUE, TRUE, 0);
 267         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 268
 269         hbox1 = gtk_hbox_new (FALSE, 8);
 270         gtk_widget_show (hbox1);
 271         gtk_box_pack_start (GTK_BOX (vbox1), hbox1, FALSE, TRUE, 0);
 272
 273         hdr_label = gtk_label_new (_("Header name"));
 274         gtk_widget_show (hdr_label);
 275         gtk_box_pack_start (GTK_BOX (hbox1), hdr_label, FALSE, FALSE, 0);
 276
 277         hdr_combo = gtk_combo_box_entry_new_text();
 278         for(i=0; i < 9 ; i++)
 279                 gtk_combo_box_append_text(GTK_COMBO_BOX (hdr_combo),
 280                         (*defaults[i] == '-') ? defaults[i]+1 : defaults[i]);
 281         gtk_combo_box_set_active(GTK_COMBO_BOX(hdr_combo), 0);
 282         gtk_widget_show (hdr_combo);
 283         gtk_box_pack_start (GTK_BOX (hbox1), hdr_combo, TRUE, TRUE, 0);
 284         gtk_widget_set_size_request (hdr_combo, 150, -1);
 285
 286         list_view_hbox = gtk_hbox_new (FALSE, 10);
 287         gtk_widget_show (list_view_hbox);
 288         gtk_box_pack_start (GTK_BOX (vbox1), list_view_hbox, TRUE, TRUE, 0);
 289
 290         /* display headers list */
 291
 292         list_view_hbox1 = gtk_hbox_new (FALSE, 8);
 293         gtk_widget_show (list_view_hbox1);
 294         gtk_box_pack_start (GTK_BOX (list_view_hbox), list_view_hbox1, TRUE, TRUE, 0);
 295
 296         list_view_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 297         gtk_widget_set_size_request (list_view_scrolledwin, 200, 210);
 298         gtk_widget_show (list_view_scrolledwin);
 299         gtk_box_pack_start (GTK_BOX (list_view_hbox1), list_view_scrolledwin,
 300                             TRUE, TRUE, 0);
 301         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (list_view_scrolledwin),
 302                                         GTK_POLICY_AUTOMATIC,
 303                                         GTK_POLICY_AUTOMATIC);
 304         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(list_view_scrolledwin),
 305                                             GTK_SHADOW_IN);
 306
 307         headers_list_view = prefs_display_header_list_view_create
 308                                 (_("Displayed Headers"));
 309         gtk_widget_show (headers_list_view);
 310         gtk_container_add(GTK_CONTAINER(list_view_scrolledwin), headers_list_view);
 311         gtk_tree_view_set_reorderable(GTK_TREE_VIEW(headers_list_view), TRUE);
 312
 313         g_signal_connect(G_OBJECT(headers_list_view), "drag_end",
 314                          G_CALLBACK(drag_end),
 315                          headers_list_view);
 316
 317         /* connect rows change for this list view's model */
 318         g_signal_connect(G_OBJECT(gtk_tree_view_get_model(GTK_TREE_VIEW(headers_list_view))),
 319                          "rows-reordered",
 320                          G_CALLBACK(headers_list_model_rows_reordered),
 321                          headers_list_view);
 322
 323         btn_vbox = gtk_vbox_new (FALSE, 8);
 324         gtk_widget_show (btn_vbox);
 325         gtk_box_pack_start (GTK_BOX (list_view_hbox1), btn_vbox, FALSE, FALSE, 0);
 326
 327         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 328         gtk_widget_show (reg_btn);
 329         gtk_box_pack_start (GTK_BOX (btn_vbox), reg_btn, FALSE, TRUE, 0);
 330         g_signal_connect (G_OBJECT (reg_btn), "clicked",
 331                           G_CALLBACK (prefs_display_header_register_cb),
 332                             GINT_TO_POINTER(FALSE));
 333         del_btn = gtk_button_new_from_stock (GTK_STOCK_REMOVE);
 334         gtk_widget_show (del_btn);
 335         gtk_box_pack_start (GTK_BOX (btn_vbox), del_btn, FALSE, TRUE, 0);
 336         g_signal_connect (G_OBJECT (del_btn), "clicked",
 337                           G_CALLBACK (prefs_display_header_delete_cb),
 338                           headers_list_view);
 339
 340         up_btn = gtk_button_new_from_stock (GTK_STOCK_GO_UP);
 341         gtk_widget_show (up_btn);
 342         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 343         g_signal_connect (G_OBJECT (up_btn), "clicked",
 344                           G_CALLBACK (prefs_display_header_up), NULL);
 345
 346         down_btn = gtk_button_new_from_stock (GTK_STOCK_GO_DOWN);
 347         gtk_widget_show (down_btn);
 348         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 349         g_signal_connect (G_OBJECT (down_btn), "clicked",
 350                           G_CALLBACK (prefs_display_header_down), NULL);
 351
 352         /* hidden headers list */
 353
 354         list_view_hbox2 = gtk_hbox_new (FALSE, 8);
 355         gtk_widget_show (list_view_hbox2);
 356         gtk_box_pack_start (GTK_BOX (list_view_hbox), list_view_hbox2, TRUE, TRUE, 0);
 357
 358         list_view_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 359         gtk_widget_set_size_request (list_view_scrolledwin, 200, 210);
 360         gtk_widget_show (list_view_scrolledwin);
 361         gtk_box_pack_start (GTK_BOX (list_view_hbox2), list_view_scrolledwin,
 362                             TRUE, TRUE, 0);
 363         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (list_view_scrolledwin),
 364                                         GTK_POLICY_AUTOMATIC,
 365                                         GTK_POLICY_AUTOMATIC);
 366         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(list_view_scrolledwin),
 367                                             GTK_SHADOW_IN);
 368
 369         hidden_headers_list_view = prefs_display_header_list_view_create
 370                                         (_("Hidden headers"));
 371         gtk_widget_show (hidden_headers_list_view);
 372         gtk_container_add (GTK_CONTAINER (list_view_scrolledwin),
 373                            hidden_headers_list_view);
 374
 375         btn_vbox = gtk_vbox_new (FALSE, 8);
 376         gtk_widget_show (btn_vbox);
 377         gtk_box_pack_start (GTK_BOX (list_view_hbox2), btn_vbox, FALSE, FALSE, 0);
 378
 379         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 380         gtk_widget_show (reg_btn);
 381         gtk_box_pack_start (GTK_BOX (btn_vbox), reg_btn, FALSE, TRUE, 0);
 382         g_signal_connect (G_OBJECT (reg_btn), "clicked",
 383                             G_CALLBACK
 384                             (prefs_display_header_register_cb),
 385                             GINT_TO_POINTER(TRUE));
 386         del_btn = gtk_button_new_from_stock (GTK_STOCK_DELETE);
 387         gtk_widget_show (del_btn);
 388         gtk_box_pack_start (GTK_BOX (btn_vbox), del_btn, FALSE, TRUE, 0);
 389         g_signal_connect (G_OBJECT       (del_btn), "clicked",
 390                             G_CALLBACK (prefs_display_header_delete_cb),
 391                             hidden_headers_list_view);
 392
 393
 394
 395         PACK_CHECK_BUTTON (vbox, checkbtn_other_headers,
 396                            _("Show all unspecified headers"));
 397         SET_TOGGLE_SENSITIVITY (checkbtn_other_headers, list_view_hbox2);
 398
 399         gtk_widget_show_all(window);
 400
 401         dispheader.window        = window;
 402         dispheader.ok_btn        = ok_btn;
 403         dispheader.cancel_btn    = cancel_btn;
 404
 405         dispheader.hdr_combo     = hdr_combo;
 406
 407         dispheader.headers_list_view        = headers_list_view;
 408         dispheader.hidden_headers_list_view = hidden_headers_list_view;
 409
 410         dispheader.other_headers = checkbtn_other_headers;
 411 }
 412
 413 void prefs_display_header_read_config(void)
 414 {
 415         gchar *rcpath;
 416         FILE *fp;
 417         gchar buf[PREFSBUFSIZE];
 418         DisplayHeaderProp *dp;
 419
 420         debug_print("Reading configuration for displaying headers...\n");
 421
 422         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 423                              DISPLAY_HEADER_RC, NULL);
 424         if ((fp = g_fopen(rcpath, "rb")) == NULL) {
 425                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 426                 g_free(rcpath);
 427                 prefs_common.disphdr_list = NULL;
 428                 prefs_display_header_set_default();
 429                 return;
 430         }
 431         g_free(rcpath);
 432
 433         /* remove all previous headers list */
 434         while (prefs_common.disphdr_list != NULL) {
 435                 dp = (DisplayHeaderProp *)prefs_common.disphdr_list->data;
 436                 display_header_prop_free(dp);
 437                 prefs_common.disphdr_list =
 438                         g_slist_remove(prefs_common.disphdr_list, dp);
 439         }
 440
 441         while (fgets(buf, sizeof(buf), fp) != NULL) {
 442                 g_strdelimit(buf, "\r\n", '\0');
 443                 dp = display_header_prop_read_str(buf);
 444                 if (dp)
 445                         prefs_common.disphdr_list =
 446                                 g_slist_append(prefs_common.disphdr_list, dp);
 447         }
 448
 449         fclose(fp);
 450 }
 451
 452 static void prefs_display_header_write_config(void)
 453 {
 454         gchar *rcpath;
 455         PrefFile *pfile;
 456         GSList *cur;
 457
 458         debug_print("Writing configuration for displaying headers...\n");
 459
 460         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 461                              DISPLAY_HEADER_RC, NULL);
 462
 463         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 464                 g_warning("failed to write configuration to file\n");
 465                 g_free(rcpath);
 466                 return;
 467         }
 468
 469         for (cur = prefs_common.disphdr_list; cur != NULL;
 470              cur = cur->next) {
 471                 DisplayHeaderProp *dp = (DisplayHeaderProp *)cur->data;
 472                 gchar *dpstr;
 473
 474                 dpstr = display_header_prop_get_str(dp);
 475                 if (fputs(dpstr, pfile->fp) == EOF ||
 476                     fputc('\n', pfile->fp) == EOF) {
 477                         FILE_OP_ERROR(rcpath, "fputs || fputc");
 478                         prefs_file_close_revert(pfile);
 479                         g_free(rcpath);
 480                         g_free(dpstr);
 481                         return;
 482                 }
 483                 g_free(dpstr);
 484         }
 485
 486         g_free(rcpath);
 487
 488         if (prefs_file_close(pfile) < 0) {
 489                 g_warning("failed to write configuration to file\n");
 490                 return;
 491         }
 492 }
 493
 494 static void prefs_display_header_set_dialog(void)
 495 {
 496         GtkTreeView *list_view = GTK_TREE_VIEW(dispheader.headers_list_view);
 497         GtkTreeView *hidden_list_view = GTK_TREE_VIEW(dispheader.hidden_headers_list_view);
 498         GSList *cur;
 499         GtkTreeModel *model_list, *model_hidden;
 500
 501         model_list = gtk_tree_view_get_model(list_view);
 502         model_hidden = gtk_tree_view_get_model(hidden_list_view);
 503
 504         gtk_list_store_clear(GTK_LIST_STORE(model_list));
 505         gtk_list_store_clear(GTK_LIST_STORE(model_hidden));
 506
 507         for (cur = prefs_common.disphdr_list; cur != NULL;
 508              cur = cur->next) {
 509                 DisplayHeaderProp *dp = (DisplayHeaderProp *)cur->data;
 510
 511                 if (dp->hidden)
 512                         prefs_display_header_insert_header(GTK_LIST_STORE
 513                                                 (model_hidden), dp->name, dp);
 514                 else
 515                         prefs_display_header_insert_header(GTK_LIST_STORE
 516                                                 (model_list), dp->name, dp);
 517         }
 518
 519         gtk_toggle_button_set_active
 520                 (GTK_TOGGLE_BUTTON(dispheader.other_headers),
 521                  prefs_common.show_other_header);
 522 }
 523
 524 static void prefs_display_header_set_list(void)
 525 {
 526         gint row = 0;
 527         DisplayHeaderProp *dp;
 528         GtkTreeModel *model;
 529         GtkTreeIter iter;
 530
 531         g_slist_free(prefs_common.disphdr_list);
 532         prefs_common.disphdr_list = NULL;
 533
 534         model = gtk_tree_view_get_model(GTK_TREE_VIEW(dispheader.headers_list_view));
 535         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 536                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 537                 if (dp)
 538                         prefs_common.disphdr_list =
 539                                 g_slist_append(prefs_common.disphdr_list, dp);
 540                 row++;
 541         }
 542
 543         model = gtk_tree_view_get_model
 544                         (GTK_TREE_VIEW(dispheader.hidden_headers_list_view));
 545         row = 0;
 546         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 547                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 548                 if (dp)
 549                         prefs_common.disphdr_list =
 550                                 g_slist_append(prefs_common.disphdr_list, dp);
 551                 row++;
 552         }
 553 }
 554
 555 static gint prefs_display_header_find_header(GtkTreeView *list_view,
 556                                              const gchar *header)
 557 {
 558         gint row = 0;
 559         DisplayHeaderProp *dp;
 560         GtkTreeModel *model;
 561         GtkTreeIter iter;
 562
 563         model = gtk_tree_view_get_model(list_view);
 564         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 565                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 566                 if (dp && g_ascii_strcasecmp(dp->name, header) == 0)
 567                         return row;
 568                 row++;
 569         }
 570
 571         return -1;
 572 }
 573
 574 static void prefs_display_header_list_view_set_row(gboolean hidden)
 575 {
 576         GtkTreeView *list_view;
 577         DisplayHeaderProp *dp;
 578         gchar *entry_text;
 579         GtkTreeModel *model;
 580
 581         entry_text = gtk_combo_box_get_active_text(GTK_COMBO_BOX(dispheader.hdr_combo));
 582         if (!entry_text)
 583                 entry_text = gtk_editable_get_chars(
 584                                 GTK_EDITABLE(gtk_bin_get_child(GTK_BIN(dispheader.hdr_combo))),0,-1);
 585         if (!entry_text || entry_text[0] == '\0') {
 586                 alertpanel_error(_("Header name is not set."));
 587                 return;
 588         }
 589
 590         if (hidden)
 591                 list_view = GTK_TREE_VIEW(dispheader.hidden_headers_list_view);
 592         else
 593                 list_view = GTK_TREE_VIEW(dispheader.headers_list_view);
 594
 595         if (prefs_display_header_find_header(list_view, entry_text) != -1) {
 596                 alertpanel_error(_("This header is already in the list."));
 597                 return;
 598         }
 599
 600         dp = g_new0(DisplayHeaderProp, 1);
 601
 602         dp->name = g_strdup(entry_text);
 603         dp->hidden = hidden;
 604
 605         model = gtk_tree_view_get_model(list_view);
 606         prefs_display_header_insert_header(GTK_LIST_STORE(model),
 607                                            dp->name, dp);
 608
 609         prefs_display_header_set_list();
 610
 611         g_free(entry_text);
 612 }
 613
 614 static void prefs_display_header_register_cb(GtkButton *btn,
 615                                              gpointer hidden_data)
 616 {
 617         prefs_display_header_list_view_set_row(GPOINTER_TO_INT(hidden_data));
 618 }
 619
 620 static void prefs_display_header_delete_cb(GtkButton *btn, gpointer list_view_data)
 621 {
 622         GtkTreeView *list_view = GTK_TREE_VIEW(list_view_data);
 623         DisplayHeaderProp *dp;
 624         GtkListStore *store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 625         GtkTreeSelection *selection = gtk_tree_view_get_selection(list_view);
 626         GtkTreeIter iter;
 627
 628         if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
 629                 return;
 630
 631         gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, PREFS_HDR_DATA, &dp, -1);
 632         if (!dp)
 633                 return;
 634
 635         prefs_common.disphdr_list =
 636                 g_slist_remove(prefs_common.disphdr_list, dp);
 637         display_header_prop_free(dp);
 638         gtk_list_store_remove(store, &iter);
 639 }
 640
 641 static void prefs_display_header_up(void)
 642 {
 643         GtkTreePath *prev, *sel, *try;
 644         GtkTreeIter isel;
 645         GtkListStore *store = NULL;
 646         GtkTreeModel *model = NULL;
 647         GtkTreeIter iprev;
 648
 649         if (!gtk_tree_selection_get_selected
 650                 (gtk_tree_view_get_selection
 651                         (GTK_TREE_VIEW(dispheader.headers_list_view)),
 652                  &model,
 653                  &isel))
 654                 return;
 655         store = (GtkListStore *)model;
 656         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &isel);
 657         if (!sel)
 658                 return;
 659
 660         /* no move if we're at row 0... */
 661         try = gtk_tree_path_copy(sel);
 662         if (!gtk_tree_path_prev(try)) {
 663                 gtk_tree_path_free(try);
 664                 gtk_tree_path_free(sel);
 665                 return;
 666         }
 667
 668         prev = try;
 669         gtk_tree_model_get_iter(GTK_TREE_MODEL(store),
 670                                 &iprev, prev);
 671         gtk_list_store_swap(store, &iprev, &isel);
 672
 673         gtk_tree_path_free(sel);
 674         gtk_tree_path_free(prev);
 675 }
 676
 677 static void prefs_display_header_down(void)
 678 {
 679         GtkListStore *store = NULL;
 680         GtkTreeModel *model = NULL;
 681         GtkTreeIter next, sel;
 682         GtkTreePath *try;
 683
 684         if (!gtk_tree_selection_get_selected
 685                 (gtk_tree_view_get_selection
 686                         (GTK_TREE_VIEW(dispheader.headers_list_view)),
 687                  &model,
 688                  &sel))
 689                 return;
 690         store = (GtkListStore *)model;
 691         try = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &sel);
 692         if (!try)
 693                 return;
 694
 695         next = sel;
 696         if (gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &next))
 697                 gtk_list_store_swap(store, &next, &sel);
 698
 699         gtk_tree_path_free(try);
 700 }
 701
 702 static gboolean prefs_display_header_key_pressed(GtkWidget *widget,
 703                                              GdkEventKey *event,
 704                                              gpointer data)
 705 {
 706         if (event && event->keyval == GDK_KEY_Escape)
 707                 prefs_display_header_cancel();
 708         return FALSE;
 709 }
 710
 711 static void prefs_display_header_ok(void)
 712 {
 713         prefs_common.show_other_header =
 714                 gtk_toggle_button_get_active
 715                         (GTK_TOGGLE_BUTTON(dispheader.other_headers));
 716         prefs_display_header_write_config();
 717         gtk_widget_hide(dispheader.window);
 718         gtk_window_set_modal(GTK_WINDOW(dispheader.window), FALSE);
 719 }
 720
 721 static void prefs_display_header_cancel(void)
 722 {
 723         prefs_display_header_read_config();
 724         gtk_widget_hide(dispheader.window);
 725         gtk_window_set_modal(GTK_WINDOW(dispheader.window), FALSE);
 726 }
 727
 728 static gint prefs_display_header_deleted(GtkWidget *widget, GdkEventAny *event,
 729                                          gpointer data)
 730 {
 731         prefs_display_header_cancel();
 732         return TRUE;
 733 }
 734
 735 static GtkListStore *prefs_display_header_create_store(void)
 736 {
 737         return gtk_list_store_new(N_PREFS_HDR_COLUMNS,
 738                                   G_TYPE_STRING,
 739                                   G_TYPE_POINTER,
 740                                   -1);
 741 }
 742
 743 static void prefs_display_header_insert_header(GtkListStore *store,
 744                                                gchar *name,
 745                                                DisplayHeaderProp *dp)
 746 {
 747         GtkTreeIter iter;
 748
 749         /* add new */
 750         gtk_list_store_append(store, &iter);
 751         gtk_list_store_set(store, &iter,
 752                            PREFS_HDR_HEADER,
 753                            name,
 754                            PREFS_HDR_DATA, dp,
 755                            -1);
 756 }
 757
 758 static GtkWidget *prefs_display_header_list_view_create(const gchar *name)
 759 {
 760         GtkWidget *list_view;
 761         GtkTreeSelection *selector;
 762         GtkTreeModel *model;
 763
 764         model = GTK_TREE_MODEL(prefs_display_header_create_store());
 765         list_view = gtk_tree_view_new_with_model(model);
 766         g_object_unref(G_OBJECT(model));
 767
 768         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view),
 769                                      prefs_common.use_stripes_everywhere);
 770
 771         selector = gtk_tree_view_get_selection(GTK_TREE_VIEW(list_view));
 772         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 773
 774         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view), name);
 775
 776         return list_view;
 777 }
 778
 779 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view,
 780                                                      const gchar *name)
 781 {
 782         GtkTreeViewColumn *column;
 783         GtkCellRenderer *renderer;
 784
 785         renderer = gtk_cell_renderer_text_new();
 786         column = gtk_tree_view_column_new_with_attributes
 787                 (name, renderer, "text", PREFS_HDR_HEADER, NULL);
 788         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 789 }
 790
 791 /*!
 792  *\brief        Called as a result of a gtk_list_store_swap()
 793  */
 794 static void headers_list_model_rows_reordered(GtkTreeModel *model,
 795                                               GtkTreePath  *path,
 796                                               GtkTreeIter  *iter,
 797                                               gpointer      arg,
 798                                               GtkTreeView  *list_view)
 799 {
 800         prefs_display_header_set_list();
 801 }
 802
 803 /*!
 804  *\brief        Called as a result of a drag & drop
 805  */
 806 static void drag_end(GtkTreeView *list_view,
 807                     GdkDragContext *context,
 808                     gpointer data)
 809 {
 810         prefs_display_header_set_list();
 811 }
 812