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