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 #if !GTK_CHECK_VERSION(2, 24, 0)
 279         hdr_combo = gtk_combo_box_entry_new_text();
 280 #else
 281         hdr_combo = gtk_combo_box_text_new_with_entry();
 282 #endif
 283         for(i=0; i < 9 ; i++)
 284 #if !GTK_CHECK_VERSION(2, 24, 0)
 285                 gtk_combo_box_append_text(GTK_COMBO_BOX (hdr_combo),
 286 #else
 287                 gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT (hdr_combo),
 288 #endif
 289                         (*defaults[i] == '-') ? defaults[i]+1 : defaults[i]);
 290         gtk_combo_box_set_active(GTK_COMBO_BOX(hdr_combo), 0);
 291         gtk_widget_show (hdr_combo);
 292         gtk_box_pack_start (GTK_BOX (hbox1), hdr_combo, TRUE, TRUE, 0);
 293         gtk_widget_set_size_request (hdr_combo, 150, -1);
 294
 295         list_view_hbox = gtk_hbox_new (FALSE, 10);
 296         gtk_widget_show (list_view_hbox);
 297         gtk_box_pack_start (GTK_BOX (vbox1), list_view_hbox, TRUE, TRUE, 0);
 298
 299         /* display headers list */
 300
 301         list_view_hbox1 = gtk_hbox_new (FALSE, 8);
 302         gtk_widget_show (list_view_hbox1);
 303         gtk_box_pack_start (GTK_BOX (list_view_hbox), list_view_hbox1, TRUE, TRUE, 0);
 304
 305         list_view_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 306         gtk_widget_set_size_request (list_view_scrolledwin, 200, 210);
 307         gtk_widget_show (list_view_scrolledwin);
 308         gtk_box_pack_start (GTK_BOX (list_view_hbox1), list_view_scrolledwin,
 309                             TRUE, TRUE, 0);
 310         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (list_view_scrolledwin),
 311                                         GTK_POLICY_AUTOMATIC,
 312                                         GTK_POLICY_AUTOMATIC);
 313         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(list_view_scrolledwin),
 314                                             GTK_SHADOW_IN);
 315
 316         headers_list_view = prefs_display_header_list_view_create
 317                                 (_("Displayed Headers"));
 318         gtk_widget_show (headers_list_view);
 319         gtk_container_add(GTK_CONTAINER(list_view_scrolledwin), headers_list_view);
 320         gtk_tree_view_set_reorderable(GTK_TREE_VIEW(headers_list_view), TRUE);
 321
 322         g_signal_connect(G_OBJECT(headers_list_view), "drag_end",
 323                          G_CALLBACK(drag_end),
 324                          headers_list_view);
 325
 326         /* connect rows change for this list view's model */
 327         g_signal_connect(G_OBJECT(gtk_tree_view_get_model(GTK_TREE_VIEW(headers_list_view))),
 328                          "rows-reordered",
 329                          G_CALLBACK(headers_list_model_rows_reordered),
 330                          headers_list_view);
 331
 332         btn_vbox = gtk_vbox_new (FALSE, 8);
 333         gtk_widget_show (btn_vbox);
 334         gtk_box_pack_start (GTK_BOX (list_view_hbox1), btn_vbox, FALSE, FALSE, 0);
 335
 336         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 337         gtk_widget_show (reg_btn);
 338         gtk_box_pack_start (GTK_BOX (btn_vbox), reg_btn, FALSE, TRUE, 0);
 339         g_signal_connect (G_OBJECT (reg_btn), "clicked",
 340                           G_CALLBACK (prefs_display_header_register_cb),
 341                             GINT_TO_POINTER(FALSE));
 342         del_btn = gtk_button_new_from_stock (GTK_STOCK_REMOVE);
 343         gtk_widget_show (del_btn);
 344         gtk_box_pack_start (GTK_BOX (btn_vbox), del_btn, FALSE, TRUE, 0);
 345         g_signal_connect (G_OBJECT (del_btn), "clicked",
 346                           G_CALLBACK (prefs_display_header_delete_cb),
 347                           headers_list_view);
 348
 349         up_btn = gtk_button_new_from_stock (GTK_STOCK_GO_UP);
 350         gtk_widget_show (up_btn);
 351         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 352         g_signal_connect (G_OBJECT (up_btn), "clicked",
 353                           G_CALLBACK (prefs_display_header_up), NULL);
 354
 355         down_btn = gtk_button_new_from_stock (GTK_STOCK_GO_DOWN);
 356         gtk_widget_show (down_btn);
 357         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 358         g_signal_connect (G_OBJECT (down_btn), "clicked",
 359                           G_CALLBACK (prefs_display_header_down), NULL);
 360
 361         /* hidden headers list */
 362
 363         list_view_hbox2 = gtk_hbox_new (FALSE, 8);
 364         gtk_widget_show (list_view_hbox2);
 365         gtk_box_pack_start (GTK_BOX (list_view_hbox), list_view_hbox2, TRUE, TRUE, 0);
 366
 367         list_view_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 368         gtk_widget_set_size_request (list_view_scrolledwin, 200, 210);
 369         gtk_widget_show (list_view_scrolledwin);
 370         gtk_box_pack_start (GTK_BOX (list_view_hbox2), list_view_scrolledwin,
 371                             TRUE, TRUE, 0);
 372         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (list_view_scrolledwin),
 373                                         GTK_POLICY_AUTOMATIC,
 374                                         GTK_POLICY_AUTOMATIC);
 375         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(list_view_scrolledwin),
 376                                             GTK_SHADOW_IN);
 377
 378         hidden_headers_list_view = prefs_display_header_list_view_create
 379                                         (_("Hidden headers"));
 380         gtk_widget_show (hidden_headers_list_view);
 381         gtk_container_add (GTK_CONTAINER (list_view_scrolledwin),
 382                            hidden_headers_list_view);
 383
 384         btn_vbox = gtk_vbox_new (FALSE, 8);
 385         gtk_widget_show (btn_vbox);
 386         gtk_box_pack_start (GTK_BOX (list_view_hbox2), btn_vbox, FALSE, FALSE, 0);
 387
 388         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 389         gtk_widget_show (reg_btn);
 390         gtk_box_pack_start (GTK_BOX (btn_vbox), reg_btn, FALSE, TRUE, 0);
 391         g_signal_connect (G_OBJECT (reg_btn), "clicked",
 392                             G_CALLBACK
 393                             (prefs_display_header_register_cb),
 394                             GINT_TO_POINTER(TRUE));
 395         del_btn = gtk_button_new_from_stock (GTK_STOCK_DELETE);
 396         gtk_widget_show (del_btn);
 397         gtk_box_pack_start (GTK_BOX (btn_vbox), del_btn, FALSE, TRUE, 0);
 398         g_signal_connect (G_OBJECT       (del_btn), "clicked",
 399                             G_CALLBACK (prefs_display_header_delete_cb),
 400                             hidden_headers_list_view);
 401
 402
 403
 404         PACK_CHECK_BUTTON (vbox, checkbtn_other_headers,
 405                            _("Show all unspecified headers"));
 406         SET_TOGGLE_SENSITIVITY (checkbtn_other_headers, list_view_hbox2);
 407
 408         gtk_widget_show_all(window);
 409
 410         dispheader.window        = window;
 411         dispheader.ok_btn        = ok_btn;
 412         dispheader.cancel_btn    = cancel_btn;
 413
 414         dispheader.hdr_combo     = hdr_combo;
 415
 416         dispheader.headers_list_view        = headers_list_view;
 417         dispheader.hidden_headers_list_view = hidden_headers_list_view;
 418
 419         dispheader.other_headers = checkbtn_other_headers;
 420 }
 421
 422 void prefs_display_header_read_config(void)
 423 {
 424         gchar *rcpath;
 425         FILE *fp;
 426         gchar buf[PREFSBUFSIZE];
 427         DisplayHeaderProp *dp;
 428
 429         debug_print("Reading configuration for displaying headers...\n");
 430
 431         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 432                              DISPLAY_HEADER_RC, NULL);
 433         if ((fp = g_fopen(rcpath, "rb")) == NULL) {
 434                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 435                 g_free(rcpath);
 436                 prefs_common.disphdr_list = NULL;
 437                 prefs_display_header_set_default();
 438                 return;
 439         }
 440         g_free(rcpath);
 441
 442         /* remove all previous headers list */
 443         while (prefs_common.disphdr_list != NULL) {
 444                 dp = (DisplayHeaderProp *)prefs_common.disphdr_list->data;
 445                 display_header_prop_free(dp);
 446                 prefs_common.disphdr_list =
 447                         g_slist_remove(prefs_common.disphdr_list, dp);
 448         }
 449
 450         while (fgets(buf, sizeof(buf), fp) != NULL) {
 451                 g_strdelimit(buf, "\r\n", '\0');
 452                 dp = display_header_prop_read_str(buf);
 453                 if (dp)
 454                         prefs_common.disphdr_list =
 455                                 g_slist_append(prefs_common.disphdr_list, dp);
 456         }
 457
 458         fclose(fp);
 459 }
 460
 461 static void prefs_display_header_write_config(void)
 462 {
 463         gchar *rcpath;
 464         PrefFile *pfile;
 465         GSList *cur;
 466
 467         debug_print("Writing configuration for displaying headers...\n");
 468
 469         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 470                              DISPLAY_HEADER_RC, NULL);
 471
 472         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 473                 g_warning("failed to write configuration to file");
 474                 g_free(rcpath);
 475                 return;
 476         }
 477
 478         for (cur = prefs_common.disphdr_list; cur != NULL;
 479              cur = cur->next) {
 480                 DisplayHeaderProp *dp = (DisplayHeaderProp *)cur->data;
 481                 gchar *dpstr;
 482
 483                 dpstr = display_header_prop_get_str(dp);
 484                 if (fputs(dpstr, pfile->fp) == EOF ||
 485                     fputc('\n', pfile->fp) == EOF) {
 486                         FILE_OP_ERROR(rcpath, "fputs || fputc");
 487                         prefs_file_close_revert(pfile);
 488                         g_free(rcpath);
 489                         g_free(dpstr);
 490                         return;
 491                 }
 492                 g_free(dpstr);
 493         }
 494
 495         g_free(rcpath);
 496
 497         if (prefs_file_close(pfile) < 0) {
 498                 g_warning("failed to write configuration to file");
 499                 return;
 500         }
 501 }
 502
 503 static void prefs_display_header_set_dialog(void)
 504 {
 505         GtkTreeView *list_view = GTK_TREE_VIEW(dispheader.headers_list_view);
 506         GtkTreeView *hidden_list_view = GTK_TREE_VIEW(dispheader.hidden_headers_list_view);
 507         GSList *cur;
 508         GtkTreeModel *model_list, *model_hidden;
 509
 510         model_list = gtk_tree_view_get_model(list_view);
 511         model_hidden = gtk_tree_view_get_model(hidden_list_view);
 512
 513         gtk_list_store_clear(GTK_LIST_STORE(model_list));
 514         gtk_list_store_clear(GTK_LIST_STORE(model_hidden));
 515
 516         for (cur = prefs_common.disphdr_list; cur != NULL;
 517              cur = cur->next) {
 518                 DisplayHeaderProp *dp = (DisplayHeaderProp *)cur->data;
 519
 520                 if (dp->hidden)
 521                         prefs_display_header_insert_header(GTK_LIST_STORE
 522                                                 (model_hidden), dp->name, dp);
 523                 else
 524                         prefs_display_header_insert_header(GTK_LIST_STORE
 525                                                 (model_list), dp->name, dp);
 526         }
 527
 528         gtk_toggle_button_set_active
 529                 (GTK_TOGGLE_BUTTON(dispheader.other_headers),
 530                  prefs_common.show_other_header);
 531 }
 532
 533 static void prefs_display_header_set_list(void)
 534 {
 535         gint row = 0;
 536         DisplayHeaderProp *dp;
 537         GtkTreeModel *model;
 538         GtkTreeIter iter;
 539
 540         g_slist_free(prefs_common.disphdr_list);
 541         prefs_common.disphdr_list = NULL;
 542
 543         model = gtk_tree_view_get_model(GTK_TREE_VIEW(dispheader.headers_list_view));
 544         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 545                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 546                 if (dp)
 547                         prefs_common.disphdr_list =
 548                                 g_slist_append(prefs_common.disphdr_list, dp);
 549                 row++;
 550         }
 551
 552         model = gtk_tree_view_get_model
 553                         (GTK_TREE_VIEW(dispheader.hidden_headers_list_view));
 554         row = 0;
 555         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 556                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 557                 if (dp)
 558                         prefs_common.disphdr_list =
 559                                 g_slist_append(prefs_common.disphdr_list, dp);
 560                 row++;
 561         }
 562 }
 563
 564 static gint prefs_display_header_find_header(GtkTreeView *list_view,
 565                                              const gchar *header)
 566 {
 567         gint row = 0;
 568         DisplayHeaderProp *dp;
 569         GtkTreeModel *model;
 570         GtkTreeIter iter;
 571
 572         model = gtk_tree_view_get_model(list_view);
 573         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 574                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 575                 if (dp && g_ascii_strcasecmp(dp->name, header) == 0)
 576                         return row;
 577                 row++;
 578         }
 579
 580         return -1;
 581 }
 582
 583 static void prefs_display_header_list_view_set_row(gboolean hidden)
 584 {
 585         GtkTreeView *list_view;
 586         DisplayHeaderProp *dp;
 587         gchar *entry_text;
 588         GtkTreeModel *model;
 589
 590 #if !GTK_CHECK_VERSION(2, 24, 0)
 591         entry_text = gtk_combo_box_get_active_text(GTK_COMBO_BOX(dispheader.hdr_combo));
 592 #else
 593         entry_text = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(dispheader.hdr_combo));
 594 #endif
 595         if (!entry_text)
 596                 entry_text = gtk_editable_get_chars(
 597                                 GTK_EDITABLE(gtk_bin_get_child(GTK_BIN(dispheader.hdr_combo))),0,-1);
 598         if (!entry_text || entry_text[0] == '\0') {
 599                 alertpanel_error(_("Header name is not set."));
 600                 return;
 601         }
 602
 603         if (hidden)
 604                 list_view = GTK_TREE_VIEW(dispheader.hidden_headers_list_view);
 605         else
 606                 list_view = GTK_TREE_VIEW(dispheader.headers_list_view);
 607
 608         if (prefs_display_header_find_header(list_view, entry_text) != -1) {
 609                 alertpanel_error(_("This header is already in the list."));
 610                 return;
 611         }
 612
 613         dp = g_new0(DisplayHeaderProp, 1);
 614
 615         dp->name = g_strdup(entry_text);
 616         dp->hidden = hidden;
 617
 618         model = gtk_tree_view_get_model(list_view);
 619         prefs_display_header_insert_header(GTK_LIST_STORE(model),
 620                                            dp->name, dp);
 621
 622         prefs_display_header_set_list();
 623
 624         g_free(entry_text);
 625 }
 626
 627 static void prefs_display_header_register_cb(GtkButton *btn,
 628                                              gpointer hidden_data)
 629 {
 630         prefs_display_header_list_view_set_row(GPOINTER_TO_INT(hidden_data));
 631 }
 632
 633 static void prefs_display_header_delete_cb(GtkButton *btn, gpointer list_view_data)
 634 {
 635         GtkTreeView *list_view = GTK_TREE_VIEW(list_view_data);
 636         DisplayHeaderProp *dp;
 637         GtkListStore *store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 638         GtkTreeSelection *selection = gtk_tree_view_get_selection(list_view);
 639         GtkTreeIter iter;
 640
 641         if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
 642                 return;
 643
 644         gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, PREFS_HDR_DATA, &dp, -1);
 645         if (!dp)
 646                 return;
 647
 648         prefs_common.disphdr_list =
 649                 g_slist_remove(prefs_common.disphdr_list, dp);
 650         display_header_prop_free(dp);
 651         gtk_list_store_remove(store, &iter);
 652 }
 653
 654 static void prefs_display_header_up(void)
 655 {
 656         GtkTreePath *prev, *sel, *try;
 657         GtkTreeIter isel;
 658         GtkListStore *store = NULL;
 659         GtkTreeModel *model = NULL;
 660         GtkTreeIter iprev;
 661
 662         if (!gtk_tree_selection_get_selected
 663                 (gtk_tree_view_get_selection
 664                         (GTK_TREE_VIEW(dispheader.headers_list_view)),
 665                  &model,
 666                  &isel))
 667                 return;
 668         store = (GtkListStore *)model;
 669         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &isel);
 670         if (!sel)
 671                 return;
 672
 673         /* no move if we're at row 0... */
 674         try = gtk_tree_path_copy(sel);
 675         if (!gtk_tree_path_prev(try)) {
 676                 gtk_tree_path_free(try);
 677                 gtk_tree_path_free(sel);
 678                 return;
 679         }
 680
 681         prev = try;
 682         gtk_tree_model_get_iter(GTK_TREE_MODEL(store),
 683                                 &iprev, prev);
 684         gtk_list_store_swap(store, &iprev, &isel);
 685
 686         gtk_tree_path_free(sel);
 687         gtk_tree_path_free(prev);
 688 }
 689
 690 static void prefs_display_header_down(void)
 691 {
 692         GtkListStore *store = NULL;
 693         GtkTreeModel *model = NULL;
 694         GtkTreeIter next, sel;
 695         GtkTreePath *try;
 696
 697         if (!gtk_tree_selection_get_selected
 698                 (gtk_tree_view_get_selection
 699                         (GTK_TREE_VIEW(dispheader.headers_list_view)),
 700                  &model,
 701                  &sel))
 702                 return;
 703         store = (GtkListStore *)model;
 704         try = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &sel);
 705         if (!try)
 706                 return;
 707
 708         next = sel;
 709         if (gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &next))
 710                 gtk_list_store_swap(store, &next, &sel);
 711
 712         gtk_tree_path_free(try);
 713 }
 714
 715 static gboolean prefs_display_header_key_pressed(GtkWidget *widget,
 716                                              GdkEventKey *event,
 717                                              gpointer data)
 718 {
 719         if (event && event->keyval == GDK_KEY_Escape)
 720                 prefs_display_header_cancel();
 721         return FALSE;
 722 }
 723
 724 static void prefs_display_header_ok(void)
 725 {
 726         prefs_common.show_other_header =
 727                 gtk_toggle_button_get_active
 728                         (GTK_TOGGLE_BUTTON(dispheader.other_headers));
 729         prefs_display_header_write_config();
 730         gtk_widget_hide(dispheader.window);
 731         gtk_window_set_modal(GTK_WINDOW(dispheader.window), FALSE);
 732 }
 733
 734 static void prefs_display_header_cancel(void)
 735 {
 736         prefs_display_header_read_config();
 737         gtk_widget_hide(dispheader.window);
 738         gtk_window_set_modal(GTK_WINDOW(dispheader.window), FALSE);
 739 }
 740
 741 static gint prefs_display_header_deleted(GtkWidget *widget, GdkEventAny *event,
 742                                          gpointer data)
 743 {
 744         prefs_display_header_cancel();
 745         return TRUE;
 746 }
 747
 748 static GtkListStore *prefs_display_header_create_store(void)
 749 {
 750         return gtk_list_store_new(N_PREFS_HDR_COLUMNS,
 751                                   G_TYPE_STRING,
 752                                   G_TYPE_POINTER,
 753                                   -1);
 754 }
 755
 756 static void prefs_display_header_insert_header(GtkListStore *store,
 757                                                gchar *name,
 758                                                DisplayHeaderProp *dp)
 759 {
 760         GtkTreeIter iter;
 761
 762         /* add new */
 763         gtk_list_store_append(store, &iter);
 764         gtk_list_store_set(store, &iter,
 765                            PREFS_HDR_HEADER,
 766                            name,
 767                            PREFS_HDR_DATA, dp,
 768                            -1);
 769 }
 770
 771 static GtkWidget *prefs_display_header_list_view_create(const gchar *name)
 772 {
 773         GtkWidget *list_view;
 774         GtkTreeSelection *selector;
 775         GtkTreeModel *model;
 776
 777         model = GTK_TREE_MODEL(prefs_display_header_create_store());
 778         list_view = gtk_tree_view_new_with_model(model);
 779         g_object_unref(G_OBJECT(model));
 780
 781         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view),
 782                                      prefs_common.use_stripes_everywhere);
 783
 784         selector = gtk_tree_view_get_selection(GTK_TREE_VIEW(list_view));
 785         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 786
 787         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view), name);
 788
 789         return list_view;
 790 }
 791
 792 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view,
 793                                                      const gchar *name)
 794 {
 795         GtkTreeViewColumn *column;
 796         GtkCellRenderer *renderer;
 797
 798         renderer = gtk_cell_renderer_text_new();
 799         column = gtk_tree_view_column_new_with_attributes
 800                 (name, renderer, "text", PREFS_HDR_HEADER, NULL);
 801         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 802 }
 803
 804 /*!
 805  *\brief        Called as a result of a gtk_list_store_swap()
 806  */
 807 static void headers_list_model_rows_reordered(GtkTreeModel *model,
 808                                               GtkTreePath  *path,
 809                                               GtkTreeIter  *iter,
 810                                               gpointer      arg,
 811                                               GtkTreeView  *list_view)
 812 {
 813         prefs_display_header_set_list();
 814 }
 815
 816 /*!
 817  *\brief        Called as a result of a drag & drop
 818  */
 819 static void drag_end(GtkTreeView *list_view,
 820                     GdkDragContext *context,
 821                     gpointer data)
 822 {
 823         prefs_display_header_set_list();
 824 }
 825