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 #include "file-utils.h"
  45
  46 enum {
  47         PREFS_HDR_HEADER,
  48         PREFS_HDR_DATA,
  49         N_PREFS_HDR_COLUMNS
  50 };
  51
  52 static struct DisplayHeader {
  53         GtkWidget *window;
  54
  55         GtkWidget *ok_btn;
  56         GtkWidget *cancel_btn;
  57
  58         GtkWidget *hdr_combo;
  59         GtkWidget *key_check;
  60         GtkWidget *headers_list_view;
  61         GtkWidget *hidden_headers_list_view;
  62
  63         GtkWidget *other_headers;
  64 } dispheader;
  65
  66 /* widget creating functions */
  67 static void prefs_display_header_create (void);
  68
  69 static void prefs_display_header_set_dialog     (void);
  70 static void prefs_display_header_set_list       (void);
  71 static void prefs_display_header_list_view_set_row      (gboolean hidden);
  72
  73 /* callback functions */
  74 static void prefs_display_header_register_cb    (GtkButton      *btn,
  75                                                  gpointer        hidden_data);
  76 static void prefs_display_header_delete_cb      (GtkButton      *btn,
  77                                                  gpointer        list_view_data);
  78 static void prefs_display_header_up             (void);
  79 static void prefs_display_header_down           (void);
  80
  81 static gboolean prefs_display_header_key_pressed        (GtkWidget      *widget,
  82                                                          GdkEventKey    *event,
  83                                                          gpointer        data);
  84 static void prefs_display_header_ok             (void);
  85 static void prefs_display_header_cancel         (void);
  86 static gint prefs_display_header_deleted        (GtkWidget      *widget,
  87                                                  GdkEventAny    *event,
  88                                                  gpointer        data);
  89
  90
  91 static GtkListStore *prefs_display_header_create_store  (void);
  92 static void prefs_display_header_insert_header          (GtkListStore *store,
  93                                                          gchar *name,
  94                                                          DisplayHeaderProp *dp);
  95 static GtkWidget *prefs_display_header_list_view_create (const gchar *name);
  96 static void prefs_filtering_create_list_view_columns    (GtkWidget *list_view,
  97                                                          const gchar *name);
  98 static void headers_list_model_rows_reordered           (GtkTreeModel *model,
  99                                                          GtkTreePath  *path,
 100                                                          GtkTreeIter  *iter,
 101                                                          gpointer      arg,
 102                                                          GtkTreeView  *list_view);
 103
 104 static void drag_end    (GtkTreeView *list_view,
 105                          GdkDragContext *context,
 106                          gpointer data);
 107
 108 #ifndef GENERIC_UMPC
 109 static gchar *defaults[] =
 110 {
 111         "From",
 112         "To",
 113         "Cc",
 114         "Bcc",
 115         "Subject",
 116         "Date",
 117         "Reply-To",
 118         "Sender",
 119         "User-Agent",
 120         "X-Mailer",
 121         "Newsgroups",
 122         "Followup-To",
 123         "Organization",
 124         "X-Newsreader",
 125         "-Received",
 126         "-Message-ID",
 127         "-In-Reply-To",
 128         "-References",
 129         "-MIME-Version",
 130         "-Content-Type",
 131         "-Content-Transfer-Encoding",
 132         "-X-UIDL",
 133         "-Precedence",
 134         "-Status",
 135         "-Priority",
 136         "-X-Face"
 137 };
 138 #else
 139 static gchar *defaults[] =
 140 {
 141         "From",
 142         "To",
 143         "Cc",
 144         "Bcc",
 145         "Subject",
 146         "Date",
 147         "Newsgroups",
 148         "Followup-To",
 149         "-Reply-To",
 150         "-Sender",
 151         "-User-Agent",
 152         "-X-Mailer",
 153         "-Organization",
 154         "-X-Newsreader",
 155         "-Received",
 156         "-Message-ID",
 157         "-In-Reply-To",
 158         "-References",
 159         "-MIME-Version",
 160         "-Content-Type",
 161         "-Content-Transfer-Encoding",
 162         "-X-UIDL",
 163         "-Precedence",
 164         "-Status",
 165         "-Priority",
 166         "-X-Face"
 167 };
 168 #endif
 169 static void prefs_display_header_set_default(void)
 170 {
 171         gint i;
 172         DisplayHeaderProp *dp;
 173
 174         for(i = 0; i < sizeof(defaults) / sizeof(defaults[0]); i++) {
 175                 dp = display_header_prop_read_str(defaults[i]);
 176                 prefs_common.disphdr_list =
 177                         g_slist_append(prefs_common.disphdr_list, dp);
 178         }
 179 }
 180
 181 void prefs_display_header_open(void)
 182 {
 183         if (prefs_rc_is_readonly(DISPLAY_HEADER_RC))
 184                 return;
 185
 186         if (!dispheader.window) {
 187                 prefs_display_header_create();
 188         }
 189
 190         manage_window_set_transient(GTK_WINDOW(dispheader.window));
 191         gtk_widget_grab_focus(dispheader.ok_btn);
 192
 193         prefs_display_header_set_dialog();
 194
 195         gtk_widget_show(dispheader.window);
 196         gtk_window_set_modal(GTK_WINDOW(dispheader.window), TRUE);
 197 }
 198
 199 static void prefs_display_header_create(void)
 200 {
 201         GtkWidget *window;
 202         GtkWidget *vbox;
 203         GtkWidget *btn_hbox;
 204         GtkWidget *ok_btn;
 205         GtkWidget *cancel_btn;
 206         GtkWidget *confirm_area;
 207
 208         GtkWidget *vbox1;
 209
 210         GtkWidget *hbox1;
 211         GtkWidget *hdr_label;
 212         GtkWidget *hdr_combo;
 213
 214         GtkWidget *btn_vbox;
 215         GtkWidget *reg_btn;
 216         GtkWidget *del_btn;
 217         GtkWidget *up_btn;
 218         GtkWidget *down_btn;
 219
 220         GtkWidget *list_view_hbox;
 221         GtkWidget *list_view_hbox1;
 222         GtkWidget *list_view_hbox2;
 223         GtkWidget *list_view_scrolledwin;
 224         GtkWidget *headers_list_view;
 225         GtkWidget *hidden_headers_list_view;
 226
 227         GtkWidget *checkbtn_other_headers;
 228         gint i;
 229
 230         debug_print("Creating display header setting window...\n");
 231
 232         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_display_header");
 233         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 234         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 235         gtk_window_set_resizable(GTK_WINDOW (window), TRUE);
 236
 237         vbox = gtk_vbox_new (FALSE, 6);
 238         gtk_widget_show (vbox);
 239         gtk_container_add (GTK_CONTAINER (window), vbox);
 240
 241         btn_hbox = gtk_hbox_new (FALSE, 8);
 242         gtk_widget_show (btn_hbox);
 243         gtk_box_pack_end (GTK_BOX (vbox), btn_hbox, FALSE, FALSE, 0);
 244
 245         gtkut_stock_button_set_create(&confirm_area, &cancel_btn, GTK_STOCK_CANCEL,
 246                                       &ok_btn, GTK_STOCK_OK,
 247                                       NULL, NULL);
 248         gtk_widget_show (confirm_area);
 249         gtk_box_pack_end (GTK_BOX(btn_hbox), confirm_area, FALSE, FALSE, 0);
 250         gtk_widget_grab_default (ok_btn);
 251
 252         gtk_window_set_title (GTK_WINDOW(window),
 253                               _("Displayed header configuration"));
 254         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 255         g_signal_connect (G_OBJECT(window), "delete_event",
 256                           G_CALLBACK(prefs_display_header_deleted),
 257                           NULL);
 258         g_signal_connect (G_OBJECT(window), "key_press_event",
 259                           G_CALLBACK(prefs_display_header_key_pressed),
 260                           NULL);
 261         g_signal_connect (G_OBJECT(ok_btn), "clicked",
 262                           G_CALLBACK(prefs_display_header_ok),
 263                           NULL);
 264         g_signal_connect (G_OBJECT(cancel_btn), "clicked",
 265                           G_CALLBACK(prefs_display_header_cancel),
 266                           NULL);
 267
 268         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 269         gtk_widget_show (vbox1);
 270         gtk_box_pack_start (GTK_BOX (vbox), vbox1, TRUE, TRUE, 0);
 271         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 272
 273         hbox1 = gtk_hbox_new (FALSE, 8);
 274         gtk_widget_show (hbox1);
 275         gtk_box_pack_start (GTK_BOX (vbox1), hbox1, FALSE, TRUE, 0);
 276
 277         hdr_label = gtk_label_new (_("Header name"));
 278         gtk_widget_show (hdr_label);
 279         gtk_box_pack_start (GTK_BOX (hbox1), hdr_label, FALSE, FALSE, 0);
 280
 281         hdr_combo = gtk_combo_box_text_new_with_entry();
 282         for(i=0; i < 9 ; i++)
 283                 gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT (hdr_combo),
 284                         (*defaults[i] == '-') ? defaults[i]+1 : defaults[i]);
 285         gtk_combo_box_set_active(GTK_COMBO_BOX(hdr_combo), 0);
 286         gtk_widget_show (hdr_combo);
 287         gtk_box_pack_start (GTK_BOX (hbox1), hdr_combo, TRUE, TRUE, 0);
 288         gtk_widget_set_size_request (hdr_combo, 150, -1);
 289
 290         list_view_hbox = gtk_hbox_new (FALSE, 10);
 291         gtk_widget_show (list_view_hbox);
 292         gtk_box_pack_start (GTK_BOX (vbox1), list_view_hbox, TRUE, TRUE, 0);
 293
 294         /* hidden headers list */
 295
 296         list_view_hbox2 = gtk_hbox_new (FALSE, 8);
 297         gtk_widget_show (list_view_hbox2);
 298         gtk_box_pack_start (GTK_BOX (list_view_hbox), list_view_hbox2, TRUE, TRUE, 0);
 299
 300         list_view_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 301         gtk_widget_set_size_request (list_view_scrolledwin, 200, 210);
 302         gtk_widget_show (list_view_scrolledwin);
 303         gtk_box_pack_start (GTK_BOX (list_view_hbox2), list_view_scrolledwin,
 304                             TRUE, TRUE, 0);
 305         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (list_view_scrolledwin),
 306                                         GTK_POLICY_AUTOMATIC,
 307                                         GTK_POLICY_AUTOMATIC);
 308         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(list_view_scrolledwin),
 309                                             GTK_SHADOW_IN);
 310
 311         hidden_headers_list_view = prefs_display_header_list_view_create
 312                                         (_("Hidden headers"));
 313         gtk_widget_show (hidden_headers_list_view);
 314         gtk_container_add (GTK_CONTAINER (list_view_scrolledwin),
 315                            hidden_headers_list_view);
 316
 317         btn_vbox = gtk_vbox_new (FALSE, 8);
 318         gtk_widget_show (btn_vbox);
 319         gtk_box_pack_start (GTK_BOX (list_view_hbox2), btn_vbox, FALSE, FALSE, 0);
 320
 321         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 322         gtk_widget_show (reg_btn);
 323         gtk_box_pack_start (GTK_BOX (btn_vbox), reg_btn, FALSE, TRUE, 0);
 324         g_signal_connect (G_OBJECT (reg_btn), "clicked",
 325                             G_CALLBACK
 326                             (prefs_display_header_register_cb),
 327                             GINT_TO_POINTER(TRUE));
 328         del_btn = gtk_button_new_from_stock (GTK_STOCK_DELETE);
 329         gtk_widget_show (del_btn);
 330         gtk_box_pack_start (GTK_BOX (btn_vbox), del_btn, FALSE, TRUE, 0);
 331         g_signal_connect (G_OBJECT       (del_btn), "clicked",
 332                             G_CALLBACK (prefs_display_header_delete_cb),
 333                             hidden_headers_list_view);
 334
 335         /* display headers list */
 336
 337         list_view_hbox1 = gtk_hbox_new (FALSE, 8);
 338         gtk_widget_show (list_view_hbox1);
 339         gtk_box_pack_start (GTK_BOX (list_view_hbox), list_view_hbox1, TRUE, TRUE, 0);
 340
 341         list_view_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 342         gtk_widget_set_size_request (list_view_scrolledwin, 200, 210);
 343         gtk_widget_show (list_view_scrolledwin);
 344         gtk_box_pack_start (GTK_BOX (list_view_hbox1), list_view_scrolledwin,
 345                             TRUE, TRUE, 0);
 346         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (list_view_scrolledwin),
 347                                         GTK_POLICY_AUTOMATIC,
 348                                         GTK_POLICY_AUTOMATIC);
 349         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(list_view_scrolledwin),
 350                                             GTK_SHADOW_IN);
 351
 352         headers_list_view = prefs_display_header_list_view_create
 353                                 (_("Displayed Headers"));
 354         gtk_widget_show (headers_list_view);
 355         gtk_container_add(GTK_CONTAINER(list_view_scrolledwin), headers_list_view);
 356         gtk_tree_view_set_reorderable(GTK_TREE_VIEW(headers_list_view), TRUE);
 357
 358         g_signal_connect(G_OBJECT(headers_list_view), "drag_end",
 359                          G_CALLBACK(drag_end),
 360                          headers_list_view);
 361
 362         /* connect rows change for this list view's model */
 363         g_signal_connect(G_OBJECT(gtk_tree_view_get_model(GTK_TREE_VIEW(headers_list_view))),
 364                          "rows-reordered",
 365                          G_CALLBACK(headers_list_model_rows_reordered),
 366                          headers_list_view);
 367
 368         btn_vbox = gtk_vbox_new (FALSE, 8);
 369         gtk_widget_show (btn_vbox);
 370         gtk_box_pack_start (GTK_BOX (list_view_hbox1), btn_vbox, FALSE, FALSE, 0);
 371
 372         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 373         gtk_widget_show (reg_btn);
 374         gtk_box_pack_start (GTK_BOX (btn_vbox), reg_btn, FALSE, TRUE, 0);
 375         g_signal_connect (G_OBJECT (reg_btn), "clicked",
 376                           G_CALLBACK (prefs_display_header_register_cb),
 377                             GINT_TO_POINTER(FALSE));
 378         del_btn = gtk_button_new_from_stock (GTK_STOCK_REMOVE);
 379         gtk_widget_show (del_btn);
 380         gtk_box_pack_start (GTK_BOX (btn_vbox), del_btn, FALSE, TRUE, 0);
 381         g_signal_connect (G_OBJECT (del_btn), "clicked",
 382                           G_CALLBACK (prefs_display_header_delete_cb),
 383                           headers_list_view);
 384
 385         up_btn = gtk_button_new_from_stock (GTK_STOCK_GO_UP);
 386         gtk_widget_show (up_btn);
 387         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 388         g_signal_connect (G_OBJECT (up_btn), "clicked",
 389                           G_CALLBACK (prefs_display_header_up), NULL);
 390
 391         down_btn = gtk_button_new_from_stock (GTK_STOCK_GO_DOWN);
 392         gtk_widget_show (down_btn);
 393         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 394         g_signal_connect (G_OBJECT (down_btn), "clicked",
 395                           G_CALLBACK (prefs_display_header_down), NULL);
 396
 397         PACK_CHECK_BUTTON (vbox, checkbtn_other_headers,
 398                            _("Show all unspecified headers"));
 399         SET_TOGGLE_SENSITIVITY (checkbtn_other_headers, list_view_hbox2);
 400
 401         gtk_widget_show_all(window);
 402
 403         dispheader.window        = window;
 404         dispheader.ok_btn        = ok_btn;
 405         dispheader.cancel_btn    = cancel_btn;
 406
 407         dispheader.hdr_combo     = hdr_combo;
 408
 409         dispheader.headers_list_view        = headers_list_view;
 410         dispheader.hidden_headers_list_view = hidden_headers_list_view;
 411
 412         dispheader.other_headers = checkbtn_other_headers;
 413 }
 414
 415 void prefs_display_header_read_config(void)
 416 {
 417         gchar *rcpath;
 418         FILE *fp;
 419         gchar buf[PREFSBUFSIZE];
 420         DisplayHeaderProp *dp;
 421
 422         debug_print("Reading configuration for displaying headers...\n");
 423
 424         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 425                              DISPLAY_HEADER_RC, NULL);
 426         if ((fp = claws_fopen(rcpath, "rb")) == NULL) {
 427                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "claws_fopen");
 428                 g_free(rcpath);
 429                 prefs_common.disphdr_list = NULL;
 430                 prefs_display_header_set_default();
 431                 return;
 432         }
 433         g_free(rcpath);
 434
 435         /* remove all previous headers list */
 436         while (prefs_common.disphdr_list != NULL) {
 437                 dp = (DisplayHeaderProp *)prefs_common.disphdr_list->data;
 438                 display_header_prop_free(dp);
 439                 prefs_common.disphdr_list =
 440                         g_slist_remove(prefs_common.disphdr_list, dp);
 441         }
 442
 443         while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
 444                 g_strdelimit(buf, "\r\n", '\0');
 445                 dp = display_header_prop_read_str(buf);
 446                 if (dp)
 447                         prefs_common.disphdr_list =
 448                                 g_slist_append(prefs_common.disphdr_list, dp);
 449         }
 450
 451         claws_fclose(fp);
 452 }
 453
 454 static void prefs_display_header_write_config(void)
 455 {
 456         gchar *rcpath;
 457         PrefFile *pfile;
 458         GSList *cur;
 459
 460         debug_print("Writing configuration for displaying headers...\n");
 461
 462         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 463                              DISPLAY_HEADER_RC, NULL);
 464
 465         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 466                 g_warning("failed to write configuration to file");
 467                 g_free(rcpath);
 468                 return;
 469         }
 470
 471         for (cur = prefs_common.disphdr_list; cur != NULL;
 472              cur = cur->next) {
 473                 DisplayHeaderProp *dp = (DisplayHeaderProp *)cur->data;
 474                 gchar *dpstr;
 475
 476                 dpstr = display_header_prop_get_str(dp);
 477                 if (claws_fputs(dpstr, pfile->fp) == EOF ||
 478                     claws_fputc('\n', pfile->fp) == EOF) {
 479                         FILE_OP_ERROR(rcpath, "claws_fputs || claws_fputc");
 480                         prefs_file_close_revert(pfile);
 481                         g_free(rcpath);
 482                         g_free(dpstr);
 483                         return;
 484                 }
 485                 g_free(dpstr);
 486         }
 487
 488         g_free(rcpath);
 489
 490         if (prefs_file_close(pfile) < 0) {
 491                 g_warning("failed to write configuration to file");
 492                 return;
 493         }
 494 }
 495
 496 static void prefs_display_header_set_dialog(void)
 497 {
 498         GtkTreeView *list_view = GTK_TREE_VIEW(dispheader.headers_list_view);
 499         GtkTreeView *hidden_list_view = GTK_TREE_VIEW(dispheader.hidden_headers_list_view);
 500         GSList *cur;
 501         GtkTreeModel *model_list, *model_hidden;
 502
 503         model_list = gtk_tree_view_get_model(list_view);
 504         model_hidden = gtk_tree_view_get_model(hidden_list_view);
 505
 506         gtk_list_store_clear(GTK_LIST_STORE(model_list));
 507         gtk_list_store_clear(GTK_LIST_STORE(model_hidden));
 508
 509         for (cur = prefs_common.disphdr_list; cur != NULL;
 510              cur = cur->next) {
 511                 DisplayHeaderProp *dp = (DisplayHeaderProp *)cur->data;
 512
 513                 if (dp->hidden)
 514                         prefs_display_header_insert_header(GTK_LIST_STORE
 515                                                 (model_hidden), dp->name, dp);
 516                 else
 517                         prefs_display_header_insert_header(GTK_LIST_STORE
 518                                                 (model_list), dp->name, dp);
 519         }
 520
 521         gtk_toggle_button_set_active
 522                 (GTK_TOGGLE_BUTTON(dispheader.other_headers),
 523                  prefs_common.show_other_header);
 524 }
 525
 526 static void prefs_display_header_set_list(void)
 527 {
 528         gint row = 0;
 529         DisplayHeaderProp *dp;
 530         GtkTreeModel *model;
 531         GtkTreeIter iter;
 532
 533         g_slist_free(prefs_common.disphdr_list);
 534         prefs_common.disphdr_list = NULL;
 535
 536         model = gtk_tree_view_get_model(GTK_TREE_VIEW(dispheader.headers_list_view));
 537         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 538                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 539                 if (dp)
 540                         prefs_common.disphdr_list =
 541                                 g_slist_append(prefs_common.disphdr_list, dp);
 542                 row++;
 543         }
 544
 545         model = gtk_tree_view_get_model
 546                         (GTK_TREE_VIEW(dispheader.hidden_headers_list_view));
 547         row = 0;
 548         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 549                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 550                 if (dp)
 551                         prefs_common.disphdr_list =
 552                                 g_slist_append(prefs_common.disphdr_list, dp);
 553                 row++;
 554         }
 555 }
 556
 557 static gint prefs_display_header_find_header(GtkTreeView *list_view,
 558                                              const gchar *header)
 559 {
 560         gint row = 0;
 561         DisplayHeaderProp *dp;
 562         GtkTreeModel *model;
 563         GtkTreeIter iter;
 564
 565         model = gtk_tree_view_get_model(list_view);
 566         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 567                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 568                 if (dp && g_ascii_strcasecmp(dp->name, header) == 0)
 569                         return row;
 570                 row++;
 571         }
 572
 573         return -1;
 574 }
 575
 576 static void prefs_display_header_list_view_set_row(gboolean hidden)
 577 {
 578         GtkTreeView *list_view;
 579         DisplayHeaderProp *dp;
 580         gchar *entry_text;
 581         GtkTreeModel *model;
 582
 583         entry_text = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(dispheader.hdr_combo));
 584         if (!entry_text)
 585                 entry_text = gtk_editable_get_chars(
 586                                 GTK_EDITABLE(gtk_bin_get_child(GTK_BIN(dispheader.hdr_combo))),0,-1);
 587         if (!entry_text || entry_text[0] == '\0') {
 588                 alertpanel_error(_("Header name is not set."));
 589                 return;
 590         }
 591
 592         if (hidden)
 593                 list_view = GTK_TREE_VIEW(dispheader.hidden_headers_list_view);
 594         else
 595                 list_view = GTK_TREE_VIEW(dispheader.headers_list_view);
 596
 597         if (prefs_display_header_find_header(list_view, entry_text) != -1) {
 598                 alertpanel_error(_("This header is already in the list."));
 599                 return;
 600         }
 601
 602         dp = g_new0(DisplayHeaderProp, 1);
 603
 604         dp->name = g_strdup(entry_text);
 605         dp->hidden = hidden;
 606
 607         model = gtk_tree_view_get_model(list_view);
 608         prefs_display_header_insert_header(GTK_LIST_STORE(model),
 609                                            dp->name, dp);
 610
 611         prefs_display_header_set_list();
 612
 613         g_free(entry_text);
 614 }
 615
 616 static void prefs_display_header_register_cb(GtkButton *btn,
 617                                              gpointer hidden_data)
 618 {
 619         prefs_display_header_list_view_set_row(GPOINTER_TO_INT(hidden_data));
 620 }
 621
 622 static void prefs_display_header_delete_cb(GtkButton *btn, gpointer list_view_data)
 623 {
 624         GtkTreeView *list_view = GTK_TREE_VIEW(list_view_data);
 625         DisplayHeaderProp *dp;
 626         GtkListStore *store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 627         GtkTreeSelection *selection = gtk_tree_view_get_selection(list_view);
 628         GtkTreeIter iter;
 629
 630         if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
 631                 return;
 632
 633         gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, PREFS_HDR_DATA, &dp, -1);
 634         if (!dp)
 635                 return;
 636
 637         prefs_common.disphdr_list =
 638                 g_slist_remove(prefs_common.disphdr_list, dp);
 639         display_header_prop_free(dp);
 640         gtk_list_store_remove(store, &iter);
 641 }
 642
 643 static void prefs_display_header_up(void)
 644 {
 645         GtkTreePath *prev, *sel, *try;
 646         GtkTreeIter isel;
 647         GtkListStore *store = NULL;
 648         GtkTreeModel *model = NULL;
 649         GtkTreeIter iprev;
 650
 651         if (!gtk_tree_selection_get_selected
 652                 (gtk_tree_view_get_selection
 653                         (GTK_TREE_VIEW(dispheader.headers_list_view)),
 654                  &model,
 655                  &isel))
 656                 return;
 657         store = (GtkListStore *)model;
 658         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &isel);
 659         if (!sel)
 660                 return;
 661
 662         /* no move if we're at row 0... */
 663         try = gtk_tree_path_copy(sel);
 664         if (!gtk_tree_path_prev(try)) {
 665                 gtk_tree_path_free(try);
 666                 gtk_tree_path_free(sel);
 667                 return;
 668         }
 669
 670         prev = try;
 671         gtk_tree_model_get_iter(GTK_TREE_MODEL(store),
 672                                 &iprev, prev);
 673         gtk_list_store_swap(store, &iprev, &isel);
 674
 675         gtk_tree_path_free(sel);
 676         gtk_tree_path_free(prev);
 677 }
 678
 679 static void prefs_display_header_down(void)
 680 {
 681         GtkListStore *store = NULL;
 682         GtkTreeModel *model = NULL;
 683         GtkTreeIter next, sel;
 684         GtkTreePath *try;
 685
 686         if (!gtk_tree_selection_get_selected
 687                 (gtk_tree_view_get_selection
 688                         (GTK_TREE_VIEW(dispheader.headers_list_view)),
 689                  &model,
 690                  &sel))
 691                 return;
 692         store = (GtkListStore *)model;
 693         try = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &sel);
 694         if (!try)
 695                 return;
 696
 697         next = sel;
 698         if (gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &next))
 699                 gtk_list_store_swap(store, &next, &sel);
 700
 701         gtk_tree_path_free(try);
 702 }
 703
 704 static gboolean prefs_display_header_key_pressed(GtkWidget *widget,
 705                                              GdkEventKey *event,
 706                                              gpointer data)
 707 {
 708         if (event && event->keyval == GDK_KEY_Escape)
 709                 prefs_display_header_cancel();
 710         return FALSE;
 711 }
 712
 713 static void prefs_display_header_ok(void)
 714 {
 715         prefs_common.show_other_header =
 716                 gtk_toggle_button_get_active
 717                         (GTK_TOGGLE_BUTTON(dispheader.other_headers));
 718         prefs_display_header_write_config();
 719         gtk_widget_hide(dispheader.window);
 720         gtk_window_set_modal(GTK_WINDOW(dispheader.window), FALSE);
 721 }
 722
 723 static void prefs_display_header_cancel(void)
 724 {
 725         prefs_display_header_read_config();
 726         gtk_widget_hide(dispheader.window);
 727         gtk_window_set_modal(GTK_WINDOW(dispheader.window), FALSE);
 728 }
 729
 730 static gint prefs_display_header_deleted(GtkWidget *widget, GdkEventAny *event,
 731                                          gpointer data)
 732 {
 733         prefs_display_header_cancel();
 734         return TRUE;
 735 }
 736
 737 static GtkListStore *prefs_display_header_create_store(void)
 738 {
 739         return gtk_list_store_new(N_PREFS_HDR_COLUMNS,
 740                                   G_TYPE_STRING,
 741                                   G_TYPE_POINTER,
 742                                   -1);
 743 }
 744
 745 static void prefs_display_header_insert_header(GtkListStore *store,
 746                                                gchar *name,
 747                                                DisplayHeaderProp *dp)
 748 {
 749         GtkTreeIter iter;
 750
 751         /* add new */
 752         gtk_list_store_append(store, &iter);
 753         gtk_list_store_set(store, &iter,
 754                            PREFS_HDR_HEADER,
 755                            name,
 756                            PREFS_HDR_DATA, dp,
 757                            -1);
 758 }
 759
 760 static GtkWidget *prefs_display_header_list_view_create(const gchar *name)
 761 {
 762         GtkWidget *list_view;
 763         GtkTreeSelection *selector;
 764         GtkTreeModel *model;
 765
 766         model = GTK_TREE_MODEL(prefs_display_header_create_store());
 767         list_view = gtk_tree_view_new_with_model(model);
 768         g_object_unref(G_OBJECT(model));
 769
 770         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view),
 771                                      prefs_common.use_stripes_everywhere);
 772
 773         selector = gtk_tree_view_get_selection(GTK_TREE_VIEW(list_view));
 774         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 775
 776         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view), name);
 777
 778         return list_view;
 779 }
 780
 781 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view,
 782                                                      const gchar *name)
 783 {
 784         GtkTreeViewColumn *column;
 785         GtkCellRenderer *renderer;
 786
 787         renderer = gtk_cell_renderer_text_new();
 788         column = gtk_tree_view_column_new_with_attributes
 789                 (name, renderer, "text", PREFS_HDR_HEADER, NULL);
 790         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 791 }
 792
 793 /*!
 794  *\brief        Called as a result of a gtk_list_store_swap()
 795  */
 796 static void headers_list_model_rows_reordered(GtkTreeModel *model,
 797                                               GtkTreePath  *path,
 798                                               GtkTreeIter  *iter,
 799                                               gpointer      arg,
 800                                               GtkTreeView  *list_view)
 801 {
 802         prefs_display_header_set_list();
 803 }
 804
 805 /*!
 806  *\brief        Called as a result of a drag & drop
 807  */
 808 static void drag_end(GtkTreeView *list_view,
 809                     GdkDragContext *context,
 810                     gpointer data)
 811 {
 812         prefs_display_header_set_list();
 813 }
 814