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         /* display headers list */
 295
 296         list_view_hbox1 = gtk_hbox_new (FALSE, 8);
 297         gtk_widget_show (list_view_hbox1);
 298         gtk_box_pack_start (GTK_BOX (list_view_hbox), list_view_hbox1, 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_hbox1), 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         headers_list_view = prefs_display_header_list_view_create
 312                                 (_("Displayed Headers"));
 313         gtk_widget_show (headers_list_view);
 314         gtk_container_add(GTK_CONTAINER(list_view_scrolledwin), headers_list_view);
 315         gtk_tree_view_set_reorderable(GTK_TREE_VIEW(headers_list_view), TRUE);
 316
 317         g_signal_connect(G_OBJECT(headers_list_view), "drag_end",
 318                          G_CALLBACK(drag_end),
 319                          headers_list_view);
 320
 321         /* connect rows change for this list view's model */
 322         g_signal_connect(G_OBJECT(gtk_tree_view_get_model(GTK_TREE_VIEW(headers_list_view))),
 323                          "rows-reordered",
 324                          G_CALLBACK(headers_list_model_rows_reordered),
 325                          headers_list_view);
 326
 327         btn_vbox = gtk_vbox_new (FALSE, 8);
 328         gtk_widget_show (btn_vbox);
 329         gtk_box_pack_start (GTK_BOX (list_view_hbox1), btn_vbox, FALSE, FALSE, 0);
 330
 331         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 332         gtk_widget_show (reg_btn);
 333         gtk_box_pack_start (GTK_BOX (btn_vbox), reg_btn, FALSE, TRUE, 0);
 334         g_signal_connect (G_OBJECT (reg_btn), "clicked",
 335                           G_CALLBACK (prefs_display_header_register_cb),
 336                             GINT_TO_POINTER(FALSE));
 337         del_btn = gtk_button_new_from_stock (GTK_STOCK_REMOVE);
 338         gtk_widget_show (del_btn);
 339         gtk_box_pack_start (GTK_BOX (btn_vbox), del_btn, FALSE, TRUE, 0);
 340         g_signal_connect (G_OBJECT (del_btn), "clicked",
 341                           G_CALLBACK (prefs_display_header_delete_cb),
 342                           headers_list_view);
 343
 344         up_btn = gtk_button_new_from_stock (GTK_STOCK_GO_UP);
 345         gtk_widget_show (up_btn);
 346         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 347         g_signal_connect (G_OBJECT (up_btn), "clicked",
 348                           G_CALLBACK (prefs_display_header_up), NULL);
 349
 350         down_btn = gtk_button_new_from_stock (GTK_STOCK_GO_DOWN);
 351         gtk_widget_show (down_btn);
 352         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 353         g_signal_connect (G_OBJECT (down_btn), "clicked",
 354                           G_CALLBACK (prefs_display_header_down), NULL);
 355
 356         /* hidden headers list */
 357
 358         list_view_hbox2 = gtk_hbox_new (FALSE, 8);
 359         gtk_widget_show (list_view_hbox2);
 360         gtk_box_pack_start (GTK_BOX (list_view_hbox), list_view_hbox2, TRUE, TRUE, 0);
 361
 362         list_view_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 363         gtk_widget_set_size_request (list_view_scrolledwin, 200, 210);
 364         gtk_widget_show (list_view_scrolledwin);
 365         gtk_box_pack_start (GTK_BOX (list_view_hbox2), list_view_scrolledwin,
 366                             TRUE, TRUE, 0);
 367         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (list_view_scrolledwin),
 368                                         GTK_POLICY_AUTOMATIC,
 369                                         GTK_POLICY_AUTOMATIC);
 370         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(list_view_scrolledwin),
 371                                             GTK_SHADOW_IN);
 372
 373         hidden_headers_list_view = prefs_display_header_list_view_create
 374                                         (_("Hidden headers"));
 375         gtk_widget_show (hidden_headers_list_view);
 376         gtk_container_add (GTK_CONTAINER (list_view_scrolledwin),
 377                            hidden_headers_list_view);
 378
 379         btn_vbox = gtk_vbox_new (FALSE, 8);
 380         gtk_widget_show (btn_vbox);
 381         gtk_box_pack_start (GTK_BOX (list_view_hbox2), btn_vbox, FALSE, FALSE, 0);
 382
 383         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 384         gtk_widget_show (reg_btn);
 385         gtk_box_pack_start (GTK_BOX (btn_vbox), reg_btn, FALSE, TRUE, 0);
 386         g_signal_connect (G_OBJECT (reg_btn), "clicked",
 387                             G_CALLBACK
 388                             (prefs_display_header_register_cb),
 389                             GINT_TO_POINTER(TRUE));
 390         del_btn = gtk_button_new_from_stock (GTK_STOCK_DELETE);
 391         gtk_widget_show (del_btn);
 392         gtk_box_pack_start (GTK_BOX (btn_vbox), del_btn, FALSE, TRUE, 0);
 393         g_signal_connect (G_OBJECT       (del_btn), "clicked",
 394                             G_CALLBACK (prefs_display_header_delete_cb),
 395                             hidden_headers_list_view);
 396
 397
 398
 399         PACK_CHECK_BUTTON (vbox, checkbtn_other_headers,
 400                            _("Show all unspecified headers"));
 401         SET_TOGGLE_SENSITIVITY (checkbtn_other_headers, list_view_hbox2);
 402
 403         gtk_widget_show_all(window);
 404
 405         dispheader.window        = window;
 406         dispheader.ok_btn        = ok_btn;
 407         dispheader.cancel_btn    = cancel_btn;
 408
 409         dispheader.hdr_combo     = hdr_combo;
 410
 411         dispheader.headers_list_view        = headers_list_view;
 412         dispheader.hidden_headers_list_view = hidden_headers_list_view;
 413
 414         dispheader.other_headers = checkbtn_other_headers;
 415 }
 416
 417 void prefs_display_header_read_config(void)
 418 {
 419         gchar *rcpath;
 420         FILE *fp;
 421         gchar buf[PREFSBUFSIZE];
 422         DisplayHeaderProp *dp;
 423
 424         debug_print("Reading configuration for displaying headers...\n");
 425
 426         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 427                              DISPLAY_HEADER_RC, NULL);
 428         if ((fp = claws_fopen(rcpath, "rb")) == NULL) {
 429                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "claws_fopen");
 430                 g_free(rcpath);
 431                 prefs_common.disphdr_list = NULL;
 432                 prefs_display_header_set_default();
 433                 return;
 434         }
 435         g_free(rcpath);
 436
 437         /* remove all previous headers list */
 438         while (prefs_common.disphdr_list != NULL) {
 439                 dp = (DisplayHeaderProp *)prefs_common.disphdr_list->data;
 440                 display_header_prop_free(dp);
 441                 prefs_common.disphdr_list =
 442                         g_slist_remove(prefs_common.disphdr_list, dp);
 443         }
 444
 445         while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
 446                 g_strdelimit(buf, "\r\n", '\0');
 447                 dp = display_header_prop_read_str(buf);
 448                 if (dp)
 449                         prefs_common.disphdr_list =
 450                                 g_slist_append(prefs_common.disphdr_list, dp);
 451         }
 452
 453         claws_fclose(fp);
 454 }
 455
 456 static void prefs_display_header_write_config(void)
 457 {
 458         gchar *rcpath;
 459         PrefFile *pfile;
 460         GSList *cur;
 461
 462         debug_print("Writing configuration for displaying headers...\n");
 463
 464         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 465                              DISPLAY_HEADER_RC, NULL);
 466
 467         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 468                 g_warning("failed to write configuration to file");
 469                 g_free(rcpath);
 470                 return;
 471         }
 472
 473         for (cur = prefs_common.disphdr_list; cur != NULL;
 474              cur = cur->next) {
 475                 DisplayHeaderProp *dp = (DisplayHeaderProp *)cur->data;
 476                 gchar *dpstr;
 477
 478                 dpstr = display_header_prop_get_str(dp);
 479                 if (claws_fputs(dpstr, pfile->fp) == EOF ||
 480                     claws_fputc('\n', pfile->fp) == EOF) {
 481                         FILE_OP_ERROR(rcpath, "claws_fputs || claws_fputc");
 482                         prefs_file_close_revert(pfile);
 483                         g_free(rcpath);
 484                         g_free(dpstr);
 485                         return;
 486                 }
 487                 g_free(dpstr);
 488         }
 489
 490         g_free(rcpath);
 491
 492         if (prefs_file_close(pfile) < 0) {
 493                 g_warning("failed to write configuration to file");
 494                 return;
 495         }
 496 }
 497
 498 static void prefs_display_header_set_dialog(void)
 499 {
 500         GtkTreeView *list_view = GTK_TREE_VIEW(dispheader.headers_list_view);
 501         GtkTreeView *hidden_list_view = GTK_TREE_VIEW(dispheader.hidden_headers_list_view);
 502         GSList *cur;
 503         GtkTreeModel *model_list, *model_hidden;
 504
 505         model_list = gtk_tree_view_get_model(list_view);
 506         model_hidden = gtk_tree_view_get_model(hidden_list_view);
 507
 508         gtk_list_store_clear(GTK_LIST_STORE(model_list));
 509         gtk_list_store_clear(GTK_LIST_STORE(model_hidden));
 510
 511         for (cur = prefs_common.disphdr_list; cur != NULL;
 512              cur = cur->next) {
 513                 DisplayHeaderProp *dp = (DisplayHeaderProp *)cur->data;
 514
 515                 if (dp->hidden)
 516                         prefs_display_header_insert_header(GTK_LIST_STORE
 517                                                 (model_hidden), dp->name, dp);
 518                 else
 519                         prefs_display_header_insert_header(GTK_LIST_STORE
 520                                                 (model_list), dp->name, dp);
 521         }
 522
 523         gtk_toggle_button_set_active
 524                 (GTK_TOGGLE_BUTTON(dispheader.other_headers),
 525                  prefs_common.show_other_header);
 526 }
 527
 528 static void prefs_display_header_set_list(void)
 529 {
 530         gint row = 0;
 531         DisplayHeaderProp *dp;
 532         GtkTreeModel *model;
 533         GtkTreeIter iter;
 534
 535         g_slist_free(prefs_common.disphdr_list);
 536         prefs_common.disphdr_list = NULL;
 537
 538         model = gtk_tree_view_get_model(GTK_TREE_VIEW(dispheader.headers_list_view));
 539         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 540                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 541                 if (dp)
 542                         prefs_common.disphdr_list =
 543                                 g_slist_append(prefs_common.disphdr_list, dp);
 544                 row++;
 545         }
 546
 547         model = gtk_tree_view_get_model
 548                         (GTK_TREE_VIEW(dispheader.hidden_headers_list_view));
 549         row = 0;
 550         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 551                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 552                 if (dp)
 553                         prefs_common.disphdr_list =
 554                                 g_slist_append(prefs_common.disphdr_list, dp);
 555                 row++;
 556         }
 557 }
 558
 559 static gint prefs_display_header_find_header(GtkTreeView *list_view,
 560                                              const gchar *header)
 561 {
 562         gint row = 0;
 563         DisplayHeaderProp *dp;
 564         GtkTreeModel *model;
 565         GtkTreeIter iter;
 566
 567         model = gtk_tree_view_get_model(list_view);
 568         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 569                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 570                 if (dp && g_ascii_strcasecmp(dp->name, header) == 0)
 571                         return row;
 572                 row++;
 573         }
 574
 575         return -1;
 576 }
 577
 578 static void prefs_display_header_list_view_set_row(gboolean hidden)
 579 {
 580         GtkTreeView *list_view;
 581         DisplayHeaderProp *dp;
 582         gchar *entry_text;
 583         GtkTreeModel *model;
 584
 585         entry_text = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(dispheader.hdr_combo));
 586         if (!entry_text)
 587                 entry_text = gtk_editable_get_chars(
 588                                 GTK_EDITABLE(gtk_bin_get_child(GTK_BIN(dispheader.hdr_combo))),0,-1);
 589         if (!entry_text || entry_text[0] == '\0') {
 590                 alertpanel_error(_("Header name is not set."));
 591                 return;
 592         }
 593
 594         if (hidden)
 595                 list_view = GTK_TREE_VIEW(dispheader.hidden_headers_list_view);
 596         else
 597                 list_view = GTK_TREE_VIEW(dispheader.headers_list_view);
 598
 599         if (prefs_display_header_find_header(list_view, entry_text) != -1) {
 600                 alertpanel_error(_("This header is already in the list."));
 601                 return;
 602         }
 603
 604         dp = g_new0(DisplayHeaderProp, 1);
 605
 606         dp->name = g_strdup(entry_text);
 607         dp->hidden = hidden;
 608
 609         model = gtk_tree_view_get_model(list_view);
 610         prefs_display_header_insert_header(GTK_LIST_STORE(model),
 611                                            dp->name, dp);
 612
 613         prefs_display_header_set_list();
 614
 615         g_free(entry_text);
 616 }
 617
 618 static void prefs_display_header_register_cb(GtkButton *btn,
 619                                              gpointer hidden_data)
 620 {
 621         prefs_display_header_list_view_set_row(GPOINTER_TO_INT(hidden_data));
 622 }
 623
 624 static void prefs_display_header_delete_cb(GtkButton *btn, gpointer list_view_data)
 625 {
 626         GtkTreeView *list_view = GTK_TREE_VIEW(list_view_data);
 627         DisplayHeaderProp *dp;
 628         GtkListStore *store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 629         GtkTreeSelection *selection = gtk_tree_view_get_selection(list_view);
 630         GtkTreeIter iter;
 631
 632         if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
 633                 return;
 634
 635         gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, PREFS_HDR_DATA, &dp, -1);
 636         if (!dp)
 637                 return;
 638
 639         prefs_common.disphdr_list =
 640                 g_slist_remove(prefs_common.disphdr_list, dp);
 641         display_header_prop_free(dp);
 642         gtk_list_store_remove(store, &iter);
 643 }
 644
 645 static void prefs_display_header_up(void)
 646 {
 647         GtkTreePath *prev, *sel, *try;
 648         GtkTreeIter isel;
 649         GtkListStore *store = NULL;
 650         GtkTreeModel *model = NULL;
 651         GtkTreeIter iprev;
 652
 653         if (!gtk_tree_selection_get_selected
 654                 (gtk_tree_view_get_selection
 655                         (GTK_TREE_VIEW(dispheader.headers_list_view)),
 656                  &model,
 657                  &isel))
 658                 return;
 659         store = (GtkListStore *)model;
 660         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &isel);
 661         if (!sel)
 662                 return;
 663
 664         /* no move if we're at row 0... */
 665         try = gtk_tree_path_copy(sel);
 666         if (!gtk_tree_path_prev(try)) {
 667                 gtk_tree_path_free(try);
 668                 gtk_tree_path_free(sel);
 669                 return;
 670         }
 671
 672         prev = try;
 673         gtk_tree_model_get_iter(GTK_TREE_MODEL(store),
 674                                 &iprev, prev);
 675         gtk_list_store_swap(store, &iprev, &isel);
 676
 677         gtk_tree_path_free(sel);
 678         gtk_tree_path_free(prev);
 679 }
 680
 681 static void prefs_display_header_down(void)
 682 {
 683         GtkListStore *store = NULL;
 684         GtkTreeModel *model = NULL;
 685         GtkTreeIter next, sel;
 686         GtkTreePath *try;
 687
 688         if (!gtk_tree_selection_get_selected
 689                 (gtk_tree_view_get_selection
 690                         (GTK_TREE_VIEW(dispheader.headers_list_view)),
 691                  &model,
 692                  &sel))
 693                 return;
 694         store = (GtkListStore *)model;
 695         try = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &sel);
 696         if (!try)
 697                 return;
 698
 699         next = sel;
 700         if (gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &next))
 701                 gtk_list_store_swap(store, &next, &sel);
 702
 703         gtk_tree_path_free(try);
 704 }
 705
 706 static gboolean prefs_display_header_key_pressed(GtkWidget *widget,
 707                                              GdkEventKey *event,
 708                                              gpointer data)
 709 {
 710         if (event && event->keyval == GDK_KEY_Escape)
 711                 prefs_display_header_cancel();
 712         return FALSE;
 713 }
 714
 715 static void prefs_display_header_ok(void)
 716 {
 717         prefs_common.show_other_header =
 718                 gtk_toggle_button_get_active
 719                         (GTK_TOGGLE_BUTTON(dispheader.other_headers));
 720         prefs_display_header_write_config();
 721         gtk_widget_hide(dispheader.window);
 722         gtk_window_set_modal(GTK_WINDOW(dispheader.window), FALSE);
 723 }
 724
 725 static void prefs_display_header_cancel(void)
 726 {
 727         prefs_display_header_read_config();
 728         gtk_widget_hide(dispheader.window);
 729         gtk_window_set_modal(GTK_WINDOW(dispheader.window), FALSE);
 730 }
 731
 732 static gint prefs_display_header_deleted(GtkWidget *widget, GdkEventAny *event,
 733                                          gpointer data)
 734 {
 735         prefs_display_header_cancel();
 736         return TRUE;
 737 }
 738
 739 static GtkListStore *prefs_display_header_create_store(void)
 740 {
 741         return gtk_list_store_new(N_PREFS_HDR_COLUMNS,
 742                                   G_TYPE_STRING,
 743                                   G_TYPE_POINTER,
 744                                   -1);
 745 }
 746
 747 static void prefs_display_header_insert_header(GtkListStore *store,
 748                                                gchar *name,
 749                                                DisplayHeaderProp *dp)
 750 {
 751         GtkTreeIter iter;
 752
 753         /* add new */
 754         gtk_list_store_append(store, &iter);
 755         gtk_list_store_set(store, &iter,
 756                            PREFS_HDR_HEADER,
 757                            name,
 758                            PREFS_HDR_DATA, dp,
 759                            -1);
 760 }
 761
 762 static GtkWidget *prefs_display_header_list_view_create(const gchar *name)
 763 {
 764         GtkWidget *list_view;
 765         GtkTreeSelection *selector;
 766         GtkTreeModel *model;
 767
 768         model = GTK_TREE_MODEL(prefs_display_header_create_store());
 769         list_view = gtk_tree_view_new_with_model(model);
 770         g_object_unref(G_OBJECT(model));
 771
 772         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view),
 773                                      prefs_common.use_stripes_everywhere);
 774
 775         selector = gtk_tree_view_get_selection(GTK_TREE_VIEW(list_view));
 776         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 777
 778         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view), name);
 779
 780         return list_view;
 781 }
 782
 783 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view,
 784                                                      const gchar *name)
 785 {
 786         GtkTreeViewColumn *column;
 787         GtkCellRenderer *renderer;
 788
 789         renderer = gtk_cell_renderer_text_new();
 790         column = gtk_tree_view_column_new_with_attributes
 791                 (name, renderer, "text", PREFS_HDR_HEADER, NULL);
 792         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 793 }
 794
 795 /*!
 796  *\brief        Called as a result of a gtk_list_store_swap()
 797  */
 798 static void headers_list_model_rows_reordered(GtkTreeModel *model,
 799                                               GtkTreePath  *path,
 800                                               GtkTreeIter  *iter,
 801                                               gpointer      arg,
 802                                               GtkTreeView  *list_view)
 803 {
 804         prefs_display_header_set_list();
 805 }
 806
 807 /*!
 808  *\brief        Called as a result of a drag & drop
 809  */
 810 static void drag_end(GtkTreeView *list_view,
 811                     GdkDragContext *context,
 812                     gpointer data)
 813 {
 814         prefs_display_header_set_list();
 815 }
 816