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         "Bcc",
 114         "Subject",
 115         "Date",
 116         "Reply-To",
 117         "Sender",
 118         "User-Agent",
 119         "X-Mailer",
 120         "Newsgroups",
 121         "Followup-To",
 122         "Organization",
 123         "X-Newsreader",
 124         "-Received",
 125         "-Message-ID",
 126         "-In-Reply-To",
 127         "-References",
 128         "-MIME-Version",
 129         "-Content-Type",
 130         "-Content-Transfer-Encoding",
 131         "-X-UIDL",
 132         "-Precedence",
 133         "-Status",
 134         "-Priority",
 135         "-X-Face"
 136 };
 137 #else
 138 static gchar *defaults[] =
 139 {
 140         "From",
 141         "To",
 142         "Cc",
 143         "Bcc",
 144         "Subject",
 145         "Date",
 146         "Newsgroups",
 147         "Followup-To",
 148         "-Reply-To",
 149         "-Sender",
 150         "-User-Agent",
 151         "-X-Mailer",
 152         "-Organization",
 153         "-X-Newsreader",
 154         "-Received",
 155         "-Message-ID",
 156         "-In-Reply-To",
 157         "-References",
 158         "-MIME-Version",
 159         "-Content-Type",
 160         "-Content-Transfer-Encoding",
 161         "-X-UIDL",
 162         "-Precedence",
 163         "-Status",
 164         "-Priority",
 165         "-X-Face"
 166 };
 167 #endif
 168 static void prefs_display_header_set_default(void)
 169 {
 170         gint i;
 171         DisplayHeaderProp *dp;
 172
 173         for(i = 0; i < sizeof(defaults) / sizeof(defaults[0]); i++) {
 174                 dp = display_header_prop_read_str(defaults[i]);
 175                 prefs_common.disphdr_list =
 176                         g_slist_append(prefs_common.disphdr_list, dp);
 177         }
 178 }
 179
 180 void prefs_display_header_open(void)
 181 {
 182         if (prefs_rc_is_readonly(DISPLAY_HEADER_RC))
 183                 return;
 184
 185         if (!dispheader.window) {
 186                 prefs_display_header_create();
 187         }
 188
 189         manage_window_set_transient(GTK_WINDOW(dispheader.window));
 190         gtk_widget_grab_focus(dispheader.ok_btn);
 191
 192         prefs_display_header_set_dialog();
 193
 194         gtk_widget_show(dispheader.window);
 195         gtk_window_set_modal(GTK_WINDOW(dispheader.window), TRUE);
 196 }
 197
 198 static void prefs_display_header_create(void)
 199 {
 200         GtkWidget *window;
 201         GtkWidget *vbox;
 202         GtkWidget *btn_hbox;
 203         GtkWidget *ok_btn;
 204         GtkWidget *cancel_btn;
 205         GtkWidget *confirm_area;
 206
 207         GtkWidget *vbox1;
 208
 209         GtkWidget *hbox1;
 210         GtkWidget *hdr_label;
 211         GtkWidget *hdr_combo;
 212
 213         GtkWidget *btn_vbox;
 214         GtkWidget *reg_btn;
 215         GtkWidget *del_btn;
 216         GtkWidget *up_btn;
 217         GtkWidget *down_btn;
 218
 219         GtkWidget *list_view_hbox;
 220         GtkWidget *list_view_hbox1;
 221         GtkWidget *list_view_hbox2;
 222         GtkWidget *list_view_scrolledwin;
 223         GtkWidget *headers_list_view;
 224         GtkWidget *hidden_headers_list_view;
 225
 226         GtkWidget *checkbtn_other_headers;
 227         gint i;
 228
 229         debug_print("Creating display header setting window...\n");
 230
 231         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_display_header");
 232         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 233         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 234         gtk_window_set_resizable(GTK_WINDOW (window), TRUE);
 235
 236         vbox = gtk_vbox_new (FALSE, 6);
 237         gtk_widget_show (vbox);
 238         gtk_container_add (GTK_CONTAINER (window), vbox);
 239
 240         btn_hbox = gtk_hbox_new (FALSE, 8);
 241         gtk_widget_show (btn_hbox);
 242         gtk_box_pack_end (GTK_BOX (vbox), btn_hbox, FALSE, FALSE, 0);
 243
 244         gtkut_stock_button_set_create(&confirm_area, &cancel_btn, GTK_STOCK_CANCEL,
 245                                       &ok_btn, GTK_STOCK_OK,
 246                                       NULL, NULL);
 247         gtk_widget_show (confirm_area);
 248         gtk_box_pack_end (GTK_BOX(btn_hbox), confirm_area, FALSE, FALSE, 0);
 249         gtk_widget_grab_default (ok_btn);
 250
 251         gtk_window_set_title (GTK_WINDOW(window),
 252                               _("Displayed header configuration"));
 253         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 254         g_signal_connect (G_OBJECT(window), "delete_event",
 255                           G_CALLBACK(prefs_display_header_deleted),
 256                           NULL);
 257         g_signal_connect (G_OBJECT(window), "key_press_event",
 258                           G_CALLBACK(prefs_display_header_key_pressed),
 259                           NULL);
 260         g_signal_connect (G_OBJECT(ok_btn), "clicked",
 261                           G_CALLBACK(prefs_display_header_ok),
 262                           NULL);
 263         g_signal_connect (G_OBJECT(cancel_btn), "clicked",
 264                           G_CALLBACK(prefs_display_header_cancel),
 265                           NULL);
 266
 267         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 268         gtk_widget_show (vbox1);
 269         gtk_box_pack_start (GTK_BOX (vbox), vbox1, TRUE, TRUE, 0);
 270         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 271
 272         hbox1 = gtk_hbox_new (FALSE, 8);
 273         gtk_widget_show (hbox1);
 274         gtk_box_pack_start (GTK_BOX (vbox1), hbox1, FALSE, TRUE, 0);
 275
 276         hdr_label = gtk_label_new (_("Header name"));
 277         gtk_widget_show (hdr_label);
 278         gtk_box_pack_start (GTK_BOX (hbox1), hdr_label, FALSE, FALSE, 0);
 279
 280 #if !GTK_CHECK_VERSION(2, 24, 0)
 281         hdr_combo = gtk_combo_box_entry_new_text();
 282 #else
 283         hdr_combo = gtk_combo_box_text_new_with_entry();
 284 #endif
 285         for(i=0; i < 9 ; i++)
 286 #if !GTK_CHECK_VERSION(2, 24, 0)
 287                 gtk_combo_box_append_text(GTK_COMBO_BOX (hdr_combo),
 288 #else
 289                 gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT (hdr_combo),
 290 #endif
 291                         (*defaults[i] == '-') ? defaults[i]+1 : defaults[i]);
 292         gtk_combo_box_set_active(GTK_COMBO_BOX(hdr_combo), 0);
 293         gtk_widget_show (hdr_combo);
 294         gtk_box_pack_start (GTK_BOX (hbox1), hdr_combo, TRUE, TRUE, 0);
 295         gtk_widget_set_size_request (hdr_combo, 150, -1);
 296
 297         list_view_hbox = gtk_hbox_new (FALSE, 10);
 298         gtk_widget_show (list_view_hbox);
 299         gtk_box_pack_start (GTK_BOX (vbox1), list_view_hbox, TRUE, TRUE, 0);
 300
 301         /* display headers list */
 302
 303         list_view_hbox1 = gtk_hbox_new (FALSE, 8);
 304         gtk_widget_show (list_view_hbox1);
 305         gtk_box_pack_start (GTK_BOX (list_view_hbox), list_view_hbox1, TRUE, TRUE, 0);
 306
 307         list_view_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 308         gtk_widget_set_size_request (list_view_scrolledwin, 200, 210);
 309         gtk_widget_show (list_view_scrolledwin);
 310         gtk_box_pack_start (GTK_BOX (list_view_hbox1), list_view_scrolledwin,
 311                             TRUE, TRUE, 0);
 312         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (list_view_scrolledwin),
 313                                         GTK_POLICY_AUTOMATIC,
 314                                         GTK_POLICY_AUTOMATIC);
 315         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(list_view_scrolledwin),
 316                                             GTK_SHADOW_IN);
 317
 318         headers_list_view = prefs_display_header_list_view_create
 319                                 (_("Displayed Headers"));
 320         gtk_widget_show (headers_list_view);
 321         gtk_container_add(GTK_CONTAINER(list_view_scrolledwin), headers_list_view);
 322         gtk_tree_view_set_reorderable(GTK_TREE_VIEW(headers_list_view), TRUE);
 323
 324         g_signal_connect(G_OBJECT(headers_list_view), "drag_end",
 325                          G_CALLBACK(drag_end),
 326                          headers_list_view);
 327
 328         /* connect rows change for this list view's model */
 329         g_signal_connect(G_OBJECT(gtk_tree_view_get_model(GTK_TREE_VIEW(headers_list_view))),
 330                          "rows-reordered",
 331                          G_CALLBACK(headers_list_model_rows_reordered),
 332                          headers_list_view);
 333
 334         btn_vbox = gtk_vbox_new (FALSE, 8);
 335         gtk_widget_show (btn_vbox);
 336         gtk_box_pack_start (GTK_BOX (list_view_hbox1), btn_vbox, FALSE, FALSE, 0);
 337
 338         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 339         gtk_widget_show (reg_btn);
 340         gtk_box_pack_start (GTK_BOX (btn_vbox), reg_btn, FALSE, TRUE, 0);
 341         g_signal_connect (G_OBJECT (reg_btn), "clicked",
 342                           G_CALLBACK (prefs_display_header_register_cb),
 343                             GINT_TO_POINTER(FALSE));
 344         del_btn = gtk_button_new_from_stock (GTK_STOCK_REMOVE);
 345         gtk_widget_show (del_btn);
 346         gtk_box_pack_start (GTK_BOX (btn_vbox), del_btn, FALSE, TRUE, 0);
 347         g_signal_connect (G_OBJECT (del_btn), "clicked",
 348                           G_CALLBACK (prefs_display_header_delete_cb),
 349                           headers_list_view);
 350
 351         up_btn = gtk_button_new_from_stock (GTK_STOCK_GO_UP);
 352         gtk_widget_show (up_btn);
 353         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 354         g_signal_connect (G_OBJECT (up_btn), "clicked",
 355                           G_CALLBACK (prefs_display_header_up), NULL);
 356
 357         down_btn = gtk_button_new_from_stock (GTK_STOCK_GO_DOWN);
 358         gtk_widget_show (down_btn);
 359         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 360         g_signal_connect (G_OBJECT (down_btn), "clicked",
 361                           G_CALLBACK (prefs_display_header_down), NULL);
 362
 363         /* hidden headers list */
 364
 365         list_view_hbox2 = gtk_hbox_new (FALSE, 8);
 366         gtk_widget_show (list_view_hbox2);
 367         gtk_box_pack_start (GTK_BOX (list_view_hbox), list_view_hbox2, TRUE, TRUE, 0);
 368
 369         list_view_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 370         gtk_widget_set_size_request (list_view_scrolledwin, 200, 210);
 371         gtk_widget_show (list_view_scrolledwin);
 372         gtk_box_pack_start (GTK_BOX (list_view_hbox2), list_view_scrolledwin,
 373                             TRUE, TRUE, 0);
 374         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (list_view_scrolledwin),
 375                                         GTK_POLICY_AUTOMATIC,
 376                                         GTK_POLICY_AUTOMATIC);
 377         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(list_view_scrolledwin),
 378                                             GTK_SHADOW_IN);
 379
 380         hidden_headers_list_view = prefs_display_header_list_view_create
 381                                         (_("Hidden headers"));
 382         gtk_widget_show (hidden_headers_list_view);
 383         gtk_container_add (GTK_CONTAINER (list_view_scrolledwin),
 384                            hidden_headers_list_view);
 385
 386         btn_vbox = gtk_vbox_new (FALSE, 8);
 387         gtk_widget_show (btn_vbox);
 388         gtk_box_pack_start (GTK_BOX (list_view_hbox2), btn_vbox, FALSE, FALSE, 0);
 389
 390         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 391         gtk_widget_show (reg_btn);
 392         gtk_box_pack_start (GTK_BOX (btn_vbox), reg_btn, FALSE, TRUE, 0);
 393         g_signal_connect (G_OBJECT (reg_btn), "clicked",
 394                             G_CALLBACK
 395                             (prefs_display_header_register_cb),
 396                             GINT_TO_POINTER(TRUE));
 397         del_btn = gtk_button_new_from_stock (GTK_STOCK_DELETE);
 398         gtk_widget_show (del_btn);
 399         gtk_box_pack_start (GTK_BOX (btn_vbox), del_btn, FALSE, TRUE, 0);
 400         g_signal_connect (G_OBJECT       (del_btn), "clicked",
 401                             G_CALLBACK (prefs_display_header_delete_cb),
 402                             hidden_headers_list_view);
 403
 404
 405
 406         PACK_CHECK_BUTTON (vbox, checkbtn_other_headers,
 407                            _("Show all unspecified headers"));
 408         SET_TOGGLE_SENSITIVITY (checkbtn_other_headers, list_view_hbox2);
 409
 410         gtk_widget_show_all(window);
 411
 412         dispheader.window        = window;
 413         dispheader.ok_btn        = ok_btn;
 414         dispheader.cancel_btn    = cancel_btn;
 415
 416         dispheader.hdr_combo     = hdr_combo;
 417
 418         dispheader.headers_list_view        = headers_list_view;
 419         dispheader.hidden_headers_list_view = hidden_headers_list_view;
 420
 421         dispheader.other_headers = checkbtn_other_headers;
 422 }
 423
 424 void prefs_display_header_read_config(void)
 425 {
 426         gchar *rcpath;
 427         FILE *fp;
 428         gchar buf[PREFSBUFSIZE];
 429         DisplayHeaderProp *dp;
 430
 431         debug_print("Reading configuration for displaying headers...\n");
 432
 433         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 434                              DISPLAY_HEADER_RC, NULL);
 435         if ((fp = g_fopen(rcpath, "rb")) == NULL) {
 436                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 437                 g_free(rcpath);
 438                 prefs_common.disphdr_list = NULL;
 439                 prefs_display_header_set_default();
 440                 return;
 441         }
 442         g_free(rcpath);
 443
 444         /* remove all previous headers list */
 445         while (prefs_common.disphdr_list != NULL) {
 446                 dp = (DisplayHeaderProp *)prefs_common.disphdr_list->data;
 447                 display_header_prop_free(dp);
 448                 prefs_common.disphdr_list =
 449                         g_slist_remove(prefs_common.disphdr_list, dp);
 450         }
 451
 452         while (fgets(buf, sizeof(buf), fp) != NULL) {
 453                 g_strdelimit(buf, "\r\n", '\0');
 454                 dp = display_header_prop_read_str(buf);
 455                 if (dp)
 456                         prefs_common.disphdr_list =
 457                                 g_slist_append(prefs_common.disphdr_list, dp);
 458         }
 459
 460         fclose(fp);
 461 }
 462
 463 static void prefs_display_header_write_config(void)
 464 {
 465         gchar *rcpath;
 466         PrefFile *pfile;
 467         GSList *cur;
 468
 469         debug_print("Writing configuration for displaying headers...\n");
 470
 471         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 472                              DISPLAY_HEADER_RC, NULL);
 473
 474         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 475                 g_warning("failed to write configuration to file");
 476                 g_free(rcpath);
 477                 return;
 478         }
 479
 480         for (cur = prefs_common.disphdr_list; cur != NULL;
 481              cur = cur->next) {
 482                 DisplayHeaderProp *dp = (DisplayHeaderProp *)cur->data;
 483                 gchar *dpstr;
 484
 485                 dpstr = display_header_prop_get_str(dp);
 486                 if (fputs(dpstr, pfile->fp) == EOF ||
 487                     fputc('\n', pfile->fp) == EOF) {
 488                         FILE_OP_ERROR(rcpath, "fputs || fputc");
 489                         prefs_file_close_revert(pfile);
 490                         g_free(rcpath);
 491                         g_free(dpstr);
 492                         return;
 493                 }
 494                 g_free(dpstr);
 495         }
 496
 497         g_free(rcpath);
 498
 499         if (prefs_file_close(pfile) < 0) {
 500                 g_warning("failed to write configuration to file");
 501                 return;
 502         }
 503 }
 504
 505 static void prefs_display_header_set_dialog(void)
 506 {
 507         GtkTreeView *list_view = GTK_TREE_VIEW(dispheader.headers_list_view);
 508         GtkTreeView *hidden_list_view = GTK_TREE_VIEW(dispheader.hidden_headers_list_view);
 509         GSList *cur;
 510         GtkTreeModel *model_list, *model_hidden;
 511
 512         model_list = gtk_tree_view_get_model(list_view);
 513         model_hidden = gtk_tree_view_get_model(hidden_list_view);
 514
 515         gtk_list_store_clear(GTK_LIST_STORE(model_list));
 516         gtk_list_store_clear(GTK_LIST_STORE(model_hidden));
 517
 518         for (cur = prefs_common.disphdr_list; cur != NULL;
 519              cur = cur->next) {
 520                 DisplayHeaderProp *dp = (DisplayHeaderProp *)cur->data;
 521
 522                 if (dp->hidden)
 523                         prefs_display_header_insert_header(GTK_LIST_STORE
 524                                                 (model_hidden), dp->name, dp);
 525                 else
 526                         prefs_display_header_insert_header(GTK_LIST_STORE
 527                                                 (model_list), dp->name, dp);
 528         }
 529
 530         gtk_toggle_button_set_active
 531                 (GTK_TOGGLE_BUTTON(dispheader.other_headers),
 532                  prefs_common.show_other_header);
 533 }
 534
 535 static void prefs_display_header_set_list(void)
 536 {
 537         gint row = 0;
 538         DisplayHeaderProp *dp;
 539         GtkTreeModel *model;
 540         GtkTreeIter iter;
 541
 542         g_slist_free(prefs_common.disphdr_list);
 543         prefs_common.disphdr_list = NULL;
 544
 545         model = gtk_tree_view_get_model(GTK_TREE_VIEW(dispheader.headers_list_view));
 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         model = gtk_tree_view_get_model
 555                         (GTK_TREE_VIEW(dispheader.hidden_headers_list_view));
 556         row = 0;
 557         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 558                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 559                 if (dp)
 560                         prefs_common.disphdr_list =
 561                                 g_slist_append(prefs_common.disphdr_list, dp);
 562                 row++;
 563         }
 564 }
 565
 566 static gint prefs_display_header_find_header(GtkTreeView *list_view,
 567                                              const gchar *header)
 568 {
 569         gint row = 0;
 570         DisplayHeaderProp *dp;
 571         GtkTreeModel *model;
 572         GtkTreeIter iter;
 573
 574         model = gtk_tree_view_get_model(list_view);
 575         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 576                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 577                 if (dp && g_ascii_strcasecmp(dp->name, header) == 0)
 578                         return row;
 579                 row++;
 580         }
 581
 582         return -1;
 583 }
 584
 585 static void prefs_display_header_list_view_set_row(gboolean hidden)
 586 {
 587         GtkTreeView *list_view;
 588         DisplayHeaderProp *dp;
 589         gchar *entry_text;
 590         GtkTreeModel *model;
 591
 592 #if !GTK_CHECK_VERSION(2, 24, 0)
 593         entry_text = gtk_combo_box_get_active_text(GTK_COMBO_BOX(dispheader.hdr_combo));
 594 #else
 595         entry_text = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(dispheader.hdr_combo));
 596 #endif
 597         if (!entry_text)
 598                 entry_text = gtk_editable_get_chars(
 599                                 GTK_EDITABLE(gtk_bin_get_child(GTK_BIN(dispheader.hdr_combo))),0,-1);
 600         if (!entry_text || entry_text[0] == '\0') {
 601                 alertpanel_error(_("Header name is not set."));
 602                 return;
 603         }
 604
 605         if (hidden)
 606                 list_view = GTK_TREE_VIEW(dispheader.hidden_headers_list_view);
 607         else
 608                 list_view = GTK_TREE_VIEW(dispheader.headers_list_view);
 609
 610         if (prefs_display_header_find_header(list_view, entry_text) != -1) {
 611                 alertpanel_error(_("This header is already in the list."));
 612                 return;
 613         }
 614
 615         dp = g_new0(DisplayHeaderProp, 1);
 616
 617         dp->name = g_strdup(entry_text);
 618         dp->hidden = hidden;
 619
 620         model = gtk_tree_view_get_model(list_view);
 621         prefs_display_header_insert_header(GTK_LIST_STORE(model),
 622                                            dp->name, dp);
 623
 624         prefs_display_header_set_list();
 625
 626         g_free(entry_text);
 627 }
 628
 629 static void prefs_display_header_register_cb(GtkButton *btn,
 630                                              gpointer hidden_data)
 631 {
 632         prefs_display_header_list_view_set_row(GPOINTER_TO_INT(hidden_data));
 633 }
 634
 635 static void prefs_display_header_delete_cb(GtkButton *btn, gpointer list_view_data)
 636 {
 637         GtkTreeView *list_view = GTK_TREE_VIEW(list_view_data);
 638         DisplayHeaderProp *dp;
 639         GtkListStore *store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 640         GtkTreeSelection *selection = gtk_tree_view_get_selection(list_view);
 641         GtkTreeIter iter;
 642
 643         if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
 644                 return;
 645
 646         gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, PREFS_HDR_DATA, &dp, -1);
 647         if (!dp)
 648                 return;
 649
 650         prefs_common.disphdr_list =
 651                 g_slist_remove(prefs_common.disphdr_list, dp);
 652         display_header_prop_free(dp);
 653         gtk_list_store_remove(store, &iter);
 654 }
 655
 656 static void prefs_display_header_up(void)
 657 {
 658         GtkTreePath *prev, *sel, *try;
 659         GtkTreeIter isel;
 660         GtkListStore *store = NULL;
 661         GtkTreeModel *model = NULL;
 662         GtkTreeIter iprev;
 663
 664         if (!gtk_tree_selection_get_selected
 665                 (gtk_tree_view_get_selection
 666                         (GTK_TREE_VIEW(dispheader.headers_list_view)),
 667                  &model,
 668                  &isel))
 669                 return;
 670         store = (GtkListStore *)model;
 671         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &isel);
 672         if (!sel)
 673                 return;
 674
 675         /* no move if we're at row 0... */
 676         try = gtk_tree_path_copy(sel);
 677         if (!gtk_tree_path_prev(try)) {
 678                 gtk_tree_path_free(try);
 679                 gtk_tree_path_free(sel);
 680                 return;
 681         }
 682
 683         prev = try;
 684         gtk_tree_model_get_iter(GTK_TREE_MODEL(store),
 685                                 &iprev, prev);
 686         gtk_list_store_swap(store, &iprev, &isel);
 687
 688         gtk_tree_path_free(sel);
 689         gtk_tree_path_free(prev);
 690 }
 691
 692 static void prefs_display_header_down(void)
 693 {
 694         GtkListStore *store = NULL;
 695         GtkTreeModel *model = NULL;
 696         GtkTreeIter next, sel;
 697         GtkTreePath *try;
 698
 699         if (!gtk_tree_selection_get_selected
 700                 (gtk_tree_view_get_selection
 701                         (GTK_TREE_VIEW(dispheader.headers_list_view)),
 702                  &model,
 703                  &sel))
 704                 return;
 705         store = (GtkListStore *)model;
 706         try = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &sel);
 707         if (!try)
 708                 return;
 709
 710         next = sel;
 711         if (gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &next))
 712                 gtk_list_store_swap(store, &next, &sel);
 713
 714         gtk_tree_path_free(try);
 715 }
 716
 717 static gboolean prefs_display_header_key_pressed(GtkWidget *widget,
 718                                              GdkEventKey *event,
 719                                              gpointer data)
 720 {
 721         if (event && event->keyval == GDK_KEY_Escape)
 722                 prefs_display_header_cancel();
 723         return FALSE;
 724 }
 725
 726 static void prefs_display_header_ok(void)
 727 {
 728         prefs_common.show_other_header =
 729                 gtk_toggle_button_get_active
 730                         (GTK_TOGGLE_BUTTON(dispheader.other_headers));
 731         prefs_display_header_write_config();
 732         gtk_widget_hide(dispheader.window);
 733         gtk_window_set_modal(GTK_WINDOW(dispheader.window), FALSE);
 734 }
 735
 736 static void prefs_display_header_cancel(void)
 737 {
 738         prefs_display_header_read_config();
 739         gtk_widget_hide(dispheader.window);
 740         gtk_window_set_modal(GTK_WINDOW(dispheader.window), FALSE);
 741 }
 742
 743 static gint prefs_display_header_deleted(GtkWidget *widget, GdkEventAny *event,
 744                                          gpointer data)
 745 {
 746         prefs_display_header_cancel();
 747         return TRUE;
 748 }
 749
 750 static GtkListStore *prefs_display_header_create_store(void)
 751 {
 752         return gtk_list_store_new(N_PREFS_HDR_COLUMNS,
 753                                   G_TYPE_STRING,
 754                                   G_TYPE_POINTER,
 755                                   -1);
 756 }
 757
 758 static void prefs_display_header_insert_header(GtkListStore *store,
 759                                                gchar *name,
 760                                                DisplayHeaderProp *dp)
 761 {
 762         GtkTreeIter iter;
 763
 764         /* add new */
 765         gtk_list_store_append(store, &iter);
 766         gtk_list_store_set(store, &iter,
 767                            PREFS_HDR_HEADER,
 768                            name,
 769                            PREFS_HDR_DATA, dp,
 770                            -1);
 771 }
 772
 773 static GtkWidget *prefs_display_header_list_view_create(const gchar *name)
 774 {
 775         GtkWidget *list_view;
 776         GtkTreeSelection *selector;
 777         GtkTreeModel *model;
 778
 779         model = GTK_TREE_MODEL(prefs_display_header_create_store());
 780         list_view = gtk_tree_view_new_with_model(model);
 781         g_object_unref(G_OBJECT(model));
 782
 783         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view),
 784                                      prefs_common.use_stripes_everywhere);
 785
 786         selector = gtk_tree_view_get_selection(GTK_TREE_VIEW(list_view));
 787         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 788
 789         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view), name);
 790
 791         return list_view;
 792 }
 793
 794 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view,
 795                                                      const gchar *name)
 796 {
 797         GtkTreeViewColumn *column;
 798         GtkCellRenderer *renderer;
 799
 800         renderer = gtk_cell_renderer_text_new();
 801         column = gtk_tree_view_column_new_with_attributes
 802                 (name, renderer, "text", PREFS_HDR_HEADER, NULL);
 803         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 804 }
 805
 806 /*!
 807  *\brief        Called as a result of a gtk_list_store_swap()
 808  */
 809 static void headers_list_model_rows_reordered(GtkTreeModel *model,
 810                                               GtkTreePath  *path,
 811                                               GtkTreeIter  *iter,
 812                                               gpointer      arg,
 813                                               GtkTreeView  *list_view)
 814 {
 815         prefs_display_header_set_list();
 816 }
 817
 818 /*!
 819  *\brief        Called as a result of a drag & drop
 820  */
 821 static void drag_end(GtkTreeView *list_view,
 822                     GdkDragContext *context,
 823                     gpointer data)
 824 {
 825         prefs_display_header_set_list();
 826 }
 827