src/prefs_display_header.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 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 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gtk/gtk.h>
  29 #include <gdk/gdkkeysyms.h>
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <errno.h>
  34
  35 #include "prefs_gtk.h"
  36 #include "prefs_display_header.h"
  37 #include "prefs_common.h"
  38 #include "manage_window.h"
  39 #include "alertpanel.h"
  40 #include "displayheader.h"
  41 #include "utils.h"
  42 #include "gtkutils.h"
  43
  44 enum {
  45         PREFS_HDR_HEADER,
  46         PREFS_HDR_DATA,
  47         N_PREFS_HDR_COLUMNS
  48 };
  49
  50 static struct DisplayHeader {
  51         GtkWidget *window;
  52
  53         GtkWidget *ok_btn;
  54         GtkWidget *cancel_btn;
  55
  56         GtkWidget *hdr_combo;
  57         GtkWidget *key_check;
  58         GtkWidget *headers_list_view;
  59         GtkWidget *hidden_headers_list_view;
  60
  61         GtkWidget *other_headers;
  62 } dispheader;
  63
  64 /* widget creating functions */
  65 static void prefs_display_header_create (void);
  66
  67 static void prefs_display_header_set_dialog     (void);
  68 static void prefs_display_header_set_list       (void);
  69 static void prefs_display_header_list_view_set_row      (gboolean hidden);
  70
  71 /* callback functions */
  72 static void prefs_display_header_register_cb    (GtkButton      *btn,
  73                                                  gpointer        hidden_data);
  74 static void prefs_display_header_delete_cb      (GtkButton      *btn,
  75                                                  gpointer        list_view_data);
  76 static void prefs_display_header_up             (void);
  77 static void prefs_display_header_down           (void);
  78
  79 static gboolean prefs_display_header_key_pressed        (GtkWidget      *widget,
  80                                                          GdkEventKey    *event,
  81                                                          gpointer        data);
  82 static void prefs_display_header_ok             (void);
  83 static void prefs_display_header_cancel         (void);
  84 static gint prefs_display_header_deleted        (GtkWidget      *widget,
  85                                                  GdkEventAny    *event,
  86                                                  gpointer        data);
  87
  88
  89 static GtkListStore *prefs_display_header_create_store  (void);
  90 static void prefs_display_header_insert_header          (GtkListStore *store,
  91                                                          gchar *name,
  92                                                          DisplayHeaderProp *dp);
  93 static GtkWidget *prefs_display_header_list_view_create (const gchar *name);
  94 static void prefs_filtering_create_list_view_columns    (GtkWidget *list_view,
  95                                                          const gchar *name);
  96 static void headers_list_model_row_changed              (GtkTreeModel *model,
  97                                                          GtkTreePath *path,
  98                                                          GtkTreeIter *iter,
  99                                                          GtkTreeView *list_view);
 100 static void headers_list_model_rows_reordered           (GtkTreeModel *model,
 101                                                          GtkTreePath  *path,
 102                                                          GtkTreeIter  *iter,
 103                                                          gpointer      arg,
 104                                                          GtkTreeView  *list_view);
 105
 106 static void drag_begin  (GtkTreeView *list_view,
 107                          GdkDragContext *context,
 108                          gpointer data);
 109
 110 static void drag_end    (GtkTreeView *list_view,
 111                          GdkDragContext *context,
 112                          gpointer data);
 113
 114 #ifndef GENERIC_UMPC
 115 static gchar *defaults[] =
 116 {
 117         "From",
 118         "To",
 119         "Cc",
 120         "Subject",
 121         "Date",
 122         "Reply-To",
 123         "Sender",
 124         "User-Agent",
 125         "X-Mailer",
 126         "Newsgroups",
 127         "Followup-To",
 128         "Organization",
 129         "X-Newsreader",
 130         "-Received",
 131         "-Message-ID",
 132         "-In-Reply-To",
 133         "-References",
 134         "-Mime-Version",
 135         "-Content-Type",
 136         "-Content-Transfer-Encoding",
 137         "-X-UIDL",
 138         "-Precedence",
 139         "-Status",
 140         "-Priority",
 141         "-X-Face"
 142 };
 143 #else
 144 static gchar *defaults[] =
 145 {
 146         "From",
 147         "To",
 148         "Cc",
 149         "Subject",
 150         "Date",
 151         "Newsgroups",
 152         "Followup-To",
 153         "-Reply-To",
 154         "-Sender",
 155         "-User-Agent",
 156         "-X-Mailer",
 157         "-Organization",
 158         "-X-Newsreader",
 159         "-Received",
 160         "-Message-ID",
 161         "-In-Reply-To",
 162         "-References",
 163         "-Mime-Version",
 164         "-Content-Type",
 165         "-Content-Transfer-Encoding",
 166         "-X-UIDL",
 167         "-Precedence",
 168         "-Status",
 169         "-Priority",
 170         "-X-Face"
 171 };
 172 #endif
 173 static void prefs_display_header_set_default(void)
 174 {
 175         gint i;
 176         DisplayHeaderProp *dp;
 177
 178         for(i = 0; i < sizeof(defaults) / sizeof(defaults[0]); i++) {
 179                 dp = display_header_prop_read_str(defaults[i]);
 180                 prefs_common.disphdr_list =
 181                         g_slist_append(prefs_common.disphdr_list, dp);
 182         }
 183 }
 184
 185 void prefs_display_header_open(void)
 186 {
 187         if (prefs_rc_is_readonly(DISPLAY_HEADER_RC))
 188                 return;
 189
 190         if (!dispheader.window) {
 191                 prefs_display_header_create();
 192         }
 193
 194         manage_window_set_transient(GTK_WINDOW(dispheader.window));
 195         gtk_widget_grab_focus(dispheader.ok_btn);
 196
 197         prefs_display_header_set_dialog();
 198
 199         gtk_widget_show(dispheader.window);
 200 }
 201
 202 static void prefs_display_header_create(void)
 203 {
 204         GtkWidget *window;
 205         GtkWidget *vbox;
 206         GtkWidget *btn_hbox;
 207         GtkWidget *ok_btn;
 208         GtkWidget *cancel_btn;
 209         GtkWidget *confirm_area;
 210
 211         GtkWidget *vbox1;
 212
 213         GtkWidget *hbox1;
 214         GtkWidget *hdr_label;
 215         GtkWidget *hdr_combo;
 216
 217         GtkWidget *btn_vbox;
 218         GtkWidget *reg_btn;
 219         GtkWidget *del_btn;
 220         GtkWidget *up_btn;
 221         GtkWidget *down_btn;
 222
 223         GtkWidget *list_view_hbox;
 224         GtkWidget *list_view_hbox1;
 225         GtkWidget *list_view_hbox2;
 226         GtkWidget *list_view_scrolledwin;
 227         GtkWidget *headers_list_view;
 228         GtkWidget *hidden_headers_list_view;
 229
 230         GtkWidget *checkbtn_other_headers;
 231         gint i;
 232
 233         debug_print("Creating display header setting window...\n");
 234
 235         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_display_header");
 236         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 237         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 238         gtk_window_set_modal (GTK_WINDOW (window), TRUE);
 239         gtk_window_set_resizable(GTK_WINDOW (window), TRUE);
 240
 241         vbox = gtk_vbox_new (FALSE, 6);
 242         gtk_widget_show (vbox);
 243         gtk_container_add (GTK_CONTAINER (window), vbox);
 244
 245         btn_hbox = gtk_hbox_new (FALSE, 8);
 246         gtk_widget_show (btn_hbox);
 247         gtk_box_pack_end (GTK_BOX (vbox), btn_hbox, FALSE, FALSE, 0);
 248
 249         gtkut_stock_button_set_create(&confirm_area, &cancel_btn, GTK_STOCK_CANCEL,
 250                                       &ok_btn, GTK_STOCK_OK,
 251                                       NULL, NULL);
 252         gtk_widget_show (confirm_area);
 253         gtk_box_pack_end (GTK_BOX(btn_hbox), confirm_area, FALSE, FALSE, 0);
 254         gtk_widget_grab_default (ok_btn);
 255
 256         gtk_window_set_title (GTK_WINDOW(window),
 257                               _("Displayed header configuration"));
 258         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 259         g_signal_connect (G_OBJECT(window), "delete_event",
 260                           G_CALLBACK(prefs_display_header_deleted),
 261                           NULL);
 262         g_signal_connect (G_OBJECT(window), "key_press_event",
 263                           G_CALLBACK(prefs_display_header_key_pressed),
 264                           NULL);
 265         g_signal_connect (G_OBJECT(ok_btn), "clicked",
 266                           G_CALLBACK(prefs_display_header_ok),
 267                           NULL);
 268         g_signal_connect (G_OBJECT(cancel_btn), "clicked",
 269                           G_CALLBACK(prefs_display_header_cancel),
 270                           NULL);
 271
 272         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 273         gtk_widget_show (vbox1);
 274         gtk_box_pack_start (GTK_BOX (vbox), vbox1, TRUE, TRUE, 0);
 275         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 276
 277         hbox1 = gtk_hbox_new (FALSE, 8);
 278         gtk_widget_show (hbox1);
 279         gtk_box_pack_start (GTK_BOX (vbox1), hbox1, FALSE, TRUE, 0);
 280
 281         hdr_label = gtk_label_new (_("Header name"));
 282         gtk_widget_show (hdr_label);
 283         gtk_box_pack_start (GTK_BOX (hbox1), hdr_label, FALSE, FALSE, 0);
 284
 285         hdr_combo = gtk_combo_box_entry_new_text();
 286         for(i=0; i < 9 ; i++)
 287                 gtk_combo_box_append_text(GTK_COMBO_BOX (hdr_combo),
 288                         (*defaults[i] == '-') ? defaults[i]+1 : defaults[i]);
 289         gtk_combo_box_set_active(GTK_COMBO_BOX(hdr_combo), 0);
 290         gtk_widget_show (hdr_combo);
 291         gtk_box_pack_start (GTK_BOX (hbox1), hdr_combo, TRUE, TRUE, 0);
 292         gtk_widget_set_size_request (hdr_combo, 150, -1);
 293
 294         list_view_hbox = gtk_hbox_new (FALSE, 10);
 295         gtk_widget_show (list_view_hbox);
 296         gtk_box_pack_start (GTK_BOX (vbox1), list_view_hbox, TRUE, TRUE, 0);
 297
 298         /* display headers list */
 299
 300         list_view_hbox1 = gtk_hbox_new (FALSE, 8);
 301         gtk_widget_show (list_view_hbox1);
 302         gtk_box_pack_start (GTK_BOX (list_view_hbox), list_view_hbox1, TRUE, TRUE, 0);
 303
 304         list_view_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 305         gtk_widget_set_size_request (list_view_scrolledwin, 200, 210);
 306         gtk_widget_show (list_view_scrolledwin);
 307         gtk_box_pack_start (GTK_BOX (list_view_hbox1), list_view_scrolledwin,
 308                             TRUE, TRUE, 0);
 309         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (list_view_scrolledwin),
 310                                         GTK_POLICY_AUTOMATIC,
 311                                         GTK_POLICY_AUTOMATIC);
 312         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(list_view_scrolledwin),
 313                                             GTK_SHADOW_IN);
 314
 315         headers_list_view = prefs_display_header_list_view_create
 316                                 (_("Displayed Headers"));
 317         gtk_widget_show (headers_list_view);
 318         gtk_container_add(GTK_CONTAINER(list_view_scrolledwin), headers_list_view);
 319         gtk_tree_view_set_reorderable(GTK_TREE_VIEW(headers_list_view), TRUE);
 320
 321         g_signal_connect(G_OBJECT(headers_list_view), "drag_begin",
 322                          G_CALLBACK(drag_begin),
 323                          headers_list_view);
 324
 325         g_signal_connect(G_OBJECT(headers_list_view), "drag_end",
 326                          G_CALLBACK(drag_end),
 327                          headers_list_view);
 328
 329         /* connect rows change for this list view's model */
 330         g_signal_connect(G_OBJECT(gtk_tree_view_get_model(GTK_TREE_VIEW(headers_list_view))),
 331                          "rows-reordered",
 332                          G_CALLBACK(headers_list_model_rows_reordered),
 333                          headers_list_view);
 334
 335         btn_vbox = gtk_vbox_new (FALSE, 8);
 336         gtk_widget_show (btn_vbox);
 337         gtk_box_pack_start (GTK_BOX (list_view_hbox1), btn_vbox, FALSE, FALSE, 0);
 338
 339         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 340         gtk_widget_show (reg_btn);
 341         gtk_box_pack_start (GTK_BOX (btn_vbox), reg_btn, FALSE, TRUE, 0);
 342         g_signal_connect (G_OBJECT (reg_btn), "clicked",
 343                           G_CALLBACK (prefs_display_header_register_cb),
 344                             GINT_TO_POINTER(FALSE));
 345         del_btn = gtk_button_new_from_stock (GTK_STOCK_REMOVE);
 346         gtk_widget_show (del_btn);
 347         gtk_box_pack_start (GTK_BOX (btn_vbox), del_btn, FALSE, TRUE, 0);
 348         g_signal_connect (G_OBJECT (del_btn), "clicked",
 349                           G_CALLBACK (prefs_display_header_delete_cb),
 350                           headers_list_view);
 351
 352         up_btn = gtk_button_new_from_stock (GTK_STOCK_GO_UP);
 353         gtk_widget_show (up_btn);
 354         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 355         g_signal_connect (G_OBJECT (up_btn), "clicked",
 356                           G_CALLBACK (prefs_display_header_up), NULL);
 357
 358         down_btn = gtk_button_new_from_stock (GTK_STOCK_GO_DOWN);
 359         gtk_widget_show (down_btn);
 360         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 361         g_signal_connect (G_OBJECT (down_btn), "clicked",
 362                           G_CALLBACK (prefs_display_header_down), NULL);
 363
 364         /* hidden headers list */
 365
 366         list_view_hbox2 = gtk_hbox_new (FALSE, 8);
 367         gtk_widget_show (list_view_hbox2);
 368         gtk_box_pack_start (GTK_BOX (list_view_hbox), list_view_hbox2, TRUE, TRUE, 0);
 369
 370         list_view_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 371         gtk_widget_set_size_request (list_view_scrolledwin, 200, 210);
 372         gtk_widget_show (list_view_scrolledwin);
 373         gtk_box_pack_start (GTK_BOX (list_view_hbox2), list_view_scrolledwin,
 374                             TRUE, TRUE, 0);
 375         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (list_view_scrolledwin),
 376                                         GTK_POLICY_AUTOMATIC,
 377                                         GTK_POLICY_AUTOMATIC);
 378         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(list_view_scrolledwin),
 379                                             GTK_SHADOW_IN);
 380
 381         hidden_headers_list_view = prefs_display_header_list_view_create
 382                                         (_("Hidden headers"));
 383         gtk_widget_show (hidden_headers_list_view);
 384         gtk_container_add (GTK_CONTAINER (list_view_scrolledwin),
 385                            hidden_headers_list_view);
 386
 387         btn_vbox = gtk_vbox_new (FALSE, 8);
 388         gtk_widget_show (btn_vbox);
 389         gtk_box_pack_start (GTK_BOX (list_view_hbox2), btn_vbox, FALSE, FALSE, 0);
 390
 391         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 392         gtk_widget_show (reg_btn);
 393         gtk_box_pack_start (GTK_BOX (btn_vbox), reg_btn, FALSE, TRUE, 0);
 394         g_signal_connect (G_OBJECT (reg_btn), "clicked",
 395                             G_CALLBACK
 396                             (prefs_display_header_register_cb),
 397                             GINT_TO_POINTER(TRUE));
 398         del_btn = gtk_button_new_from_stock (GTK_STOCK_DELETE);
 399         gtk_widget_show (del_btn);
 400         gtk_box_pack_start (GTK_BOX (btn_vbox), del_btn, FALSE, TRUE, 0);
 401         g_signal_connect (G_OBJECT       (del_btn), "clicked",
 402                             G_CALLBACK (prefs_display_header_delete_cb),
 403                             hidden_headers_list_view);
 404
 405
 406
 407         PACK_CHECK_BUTTON (vbox, checkbtn_other_headers,
 408                            _("Show all unspecified headers"));
 409         SET_TOGGLE_SENSITIVITY (checkbtn_other_headers, list_view_hbox2);
 410
 411         gtk_widget_show_all(window);
 412
 413         dispheader.window        = window;
 414         dispheader.ok_btn        = ok_btn;
 415         dispheader.cancel_btn    = cancel_btn;
 416
 417         dispheader.hdr_combo     = hdr_combo;
 418
 419         dispheader.headers_list_view        = headers_list_view;
 420         dispheader.hidden_headers_list_view = hidden_headers_list_view;
 421
 422         dispheader.other_headers = checkbtn_other_headers;
 423 }
 424
 425 void prefs_display_header_read_config(void)
 426 {
 427         gchar *rcpath;
 428         FILE *fp;
 429         gchar buf[PREFSBUFSIZE];
 430         DisplayHeaderProp *dp;
 431
 432         debug_print("Reading configuration for displaying headers...\n");
 433
 434         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 435                              DISPLAY_HEADER_RC, NULL);
 436         if ((fp = g_fopen(rcpath, "rb")) == NULL) {
 437                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 438                 g_free(rcpath);
 439                 prefs_common.disphdr_list = NULL;
 440                 prefs_display_header_set_default();
 441                 return;
 442         }
 443         g_free(rcpath);
 444
 445         /* remove all previous headers list */
 446         while (prefs_common.disphdr_list != NULL) {
 447                 dp = (DisplayHeaderProp *)prefs_common.disphdr_list->data;
 448                 display_header_prop_free(dp);
 449                 prefs_common.disphdr_list =
 450                         g_slist_remove(prefs_common.disphdr_list, dp);
 451         }
 452
 453         while (fgets(buf, sizeof(buf), fp) != NULL) {
 454                 g_strdelimit(buf, "\r\n", '\0');
 455                 dp = display_header_prop_read_str(buf);
 456                 if (dp)
 457                         prefs_common.disphdr_list =
 458                                 g_slist_append(prefs_common.disphdr_list, dp);
 459         }
 460
 461         fclose(fp);
 462 }
 463
 464 static void prefs_display_header_write_config(void)
 465 {
 466         gchar *rcpath;
 467         PrefFile *pfile;
 468         GSList *cur;
 469
 470         debug_print("Writing configuration for displaying headers...\n");
 471
 472         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 473                              DISPLAY_HEADER_RC, NULL);
 474
 475         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 476                 g_warning("failed to write configuration to file\n");
 477                 g_free(rcpath);
 478                 return;
 479         }
 480
 481         for (cur = prefs_common.disphdr_list; cur != NULL;
 482              cur = cur->next) {
 483                 DisplayHeaderProp *dp = (DisplayHeaderProp *)cur->data;
 484                 gchar *dpstr;
 485
 486                 dpstr = display_header_prop_get_str(dp);
 487                 if (fputs(dpstr, pfile->fp) == EOF ||
 488                     fputc('\n', pfile->fp) == EOF) {
 489                         FILE_OP_ERROR(rcpath, "fputs || fputc");
 490                         prefs_file_close_revert(pfile);
 491                         g_free(rcpath);
 492                         g_free(dpstr);
 493                         return;
 494                 }
 495                 g_free(dpstr);
 496         }
 497
 498         g_free(rcpath);
 499
 500         if (prefs_file_close(pfile) < 0) {
 501                 g_warning("failed to write configuration to file\n");
 502                 return;
 503         }
 504 }
 505
 506 static void prefs_display_header_set_dialog(void)
 507 {
 508         GtkTreeView *list_view = GTK_TREE_VIEW(dispheader.headers_list_view);
 509         GtkTreeView *hidden_list_view = GTK_TREE_VIEW(dispheader.hidden_headers_list_view);
 510         GSList *cur;
 511         GtkTreeModel *model_list, *model_hidden;
 512
 513         model_list = gtk_tree_view_get_model(list_view);
 514         model_hidden = gtk_tree_view_get_model(hidden_list_view);
 515
 516         gtk_list_store_clear(GTK_LIST_STORE(model_list));
 517         gtk_list_store_clear(GTK_LIST_STORE(model_hidden));
 518
 519         for (cur = prefs_common.disphdr_list; cur != NULL;
 520              cur = cur->next) {
 521                 DisplayHeaderProp *dp = (DisplayHeaderProp *)cur->data;
 522
 523                 if (dp->hidden)
 524                         prefs_display_header_insert_header(GTK_LIST_STORE
 525                                                 (model_hidden), dp->name, dp);
 526                 else
 527                         prefs_display_header_insert_header(GTK_LIST_STORE
 528                                                 (model_list), dp->name, dp);
 529         }
 530
 531         gtk_toggle_button_set_active
 532                 (GTK_TOGGLE_BUTTON(dispheader.other_headers),
 533                  prefs_common.show_other_header);
 534 }
 535
 536 static void prefs_display_header_set_list(void)
 537 {
 538         gint row = 0;
 539         DisplayHeaderProp *dp;
 540         GtkTreeModel *model;
 541         GtkTreeIter iter;
 542
 543         g_slist_free(prefs_common.disphdr_list);
 544         prefs_common.disphdr_list = NULL;
 545
 546         model = gtk_tree_view_get_model(GTK_TREE_VIEW(dispheader.headers_list_view));
 547         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 548                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 549                 if (dp)
 550                         prefs_common.disphdr_list =
 551                                 g_slist_append(prefs_common.disphdr_list, dp);
 552                 row++;
 553         }
 554
 555         model = gtk_tree_view_get_model
 556                         (GTK_TREE_VIEW(dispheader.hidden_headers_list_view));
 557         row = 0;
 558         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 559                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 560                 if (dp)
 561                         prefs_common.disphdr_list =
 562                                 g_slist_append(prefs_common.disphdr_list, dp);
 563                 row++;
 564         }
 565 }
 566
 567 static gint prefs_display_header_find_header(GtkTreeView *list_view,
 568                                              const gchar *header)
 569 {
 570         gint row = 0;
 571         DisplayHeaderProp *dp;
 572         GtkTreeModel *model;
 573         GtkTreeIter iter;
 574
 575         model = gtk_tree_view_get_model(list_view);
 576         while (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
 577                 gtk_tree_model_get(model, &iter, PREFS_HDR_DATA, &dp, -1);
 578                 if (dp && g_ascii_strcasecmp(dp->name, header) == 0)
 579                         return row;
 580                 row++;
 581         }
 582
 583         return -1;
 584 }
 585
 586 static void prefs_display_header_list_view_set_row(gboolean hidden)
 587 {
 588         GtkTreeView *list_view;
 589         DisplayHeaderProp *dp;
 590         gchar *entry_text;
 591         GtkTreeModel *model;
 592
 593         entry_text = gtk_combo_box_get_active_text(GTK_COMBO_BOX(dispheader.hdr_combo));
 594         if (!entry_text)
 595                 entry_text = gtk_editable_get_chars(
 596                                 GTK_EDITABLE(gtk_bin_get_child(GTK_BIN(dispheader.hdr_combo))),0,-1);
 597         if (!entry_text || entry_text[0] == '\0') {
 598                 alertpanel_error(_("Header name is not set."));
 599                 return;
 600         }
 601
 602         if (hidden)
 603                 list_view = GTK_TREE_VIEW(dispheader.hidden_headers_list_view);
 604         else
 605                 list_view = GTK_TREE_VIEW(dispheader.headers_list_view);
 606
 607         if (prefs_display_header_find_header(list_view, entry_text) != -1) {
 608                 alertpanel_error(_("This header is already in the list."));
 609                 return;
 610         }
 611
 612         dp = g_new0(DisplayHeaderProp, 1);
 613
 614         dp->name = g_strdup(entry_text);
 615         dp->hidden = hidden;
 616
 617         model = gtk_tree_view_get_model(list_view);
 618         prefs_display_header_insert_header(GTK_LIST_STORE(model),
 619                                            dp->name, dp);
 620
 621         prefs_display_header_set_list();
 622
 623         g_free(entry_text);
 624 }
 625
 626 static void prefs_display_header_register_cb(GtkButton *btn,
 627                                              gpointer hidden_data)
 628 {
 629         prefs_display_header_list_view_set_row(GPOINTER_TO_INT(hidden_data));
 630 }
 631
 632 static void prefs_display_header_delete_cb(GtkButton *btn, gpointer list_view_data)
 633 {
 634         GtkTreeView *list_view = GTK_TREE_VIEW(list_view_data);
 635         DisplayHeaderProp *dp;
 636         GtkListStore *store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 637         GtkTreeSelection *selection = gtk_tree_view_get_selection(list_view);
 638         GtkTreeIter iter;
 639
 640         if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
 641                 return;
 642
 643         gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, PREFS_HDR_DATA, &dp, -1);
 644         if (!dp)
 645                 return;
 646
 647         prefs_common.disphdr_list =
 648                 g_slist_remove(prefs_common.disphdr_list, dp);
 649         display_header_prop_free(dp);
 650         gtk_list_store_remove(store, &iter);
 651 }
 652
 653 static void prefs_display_header_up(void)
 654 {
 655         GtkTreePath *prev, *sel, *try;
 656         GtkTreeIter isel;
 657         GtkListStore *store = NULL;
 658         GtkTreeModel *model = NULL;
 659         GtkTreeIter iprev;
 660
 661         if (!gtk_tree_selection_get_selected
 662                 (gtk_tree_view_get_selection
 663                         (GTK_TREE_VIEW(dispheader.headers_list_view)),
 664                  &model,
 665                  &isel))
 666                 return;
 667         store = (GtkListStore *)model;
 668         sel = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &isel);
 669         if (!sel)
 670                 return;
 671
 672         /* no move if we're at row 0... */
 673         try = gtk_tree_path_copy(sel);
 674         if (!gtk_tree_path_prev(try)) {
 675                 gtk_tree_path_free(try);
 676                 gtk_tree_path_free(sel);
 677                 return;
 678         }
 679
 680         prev = try;
 681         gtk_tree_model_get_iter(GTK_TREE_MODEL(store),
 682                                 &iprev, prev);
 683         gtk_list_store_swap(store, &iprev, &isel);
 684
 685         gtk_tree_path_free(sel);
 686         gtk_tree_path_free(prev);
 687 }
 688
 689 static void prefs_display_header_down(void)
 690 {
 691         GtkListStore *store = NULL;
 692         GtkTreeModel *model = NULL;
 693         GtkTreeIter next, sel;
 694         GtkTreePath *try;
 695
 696         if (!gtk_tree_selection_get_selected
 697                 (gtk_tree_view_get_selection
 698                         (GTK_TREE_VIEW(dispheader.headers_list_view)),
 699                  &model,
 700                  &sel))
 701                 return;
 702         store = (GtkListStore *)model;
 703         try = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &sel);
 704         if (!try)
 705                 return;
 706
 707         next = sel;
 708         if (gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &next))
 709                 gtk_list_store_swap(store, &next, &sel);
 710
 711         gtk_tree_path_free(try);
 712 }
 713
 714 static gboolean prefs_display_header_key_pressed(GtkWidget *widget,
 715                                              GdkEventKey *event,
 716                                              gpointer data)
 717 {
 718         if (event && event->keyval == GDK_Escape)
 719                 prefs_display_header_cancel();
 720         return FALSE;
 721 }
 722
 723 static void prefs_display_header_ok(void)
 724 {
 725         prefs_common.show_other_header =
 726                 gtk_toggle_button_get_active
 727                         (GTK_TOGGLE_BUTTON(dispheader.other_headers));
 728         prefs_display_header_write_config();
 729         gtk_widget_hide(dispheader.window);
 730 }
 731
 732 static void prefs_display_header_cancel(void)
 733 {
 734         prefs_display_header_read_config();
 735         gtk_widget_hide(dispheader.window);
 736 }
 737
 738 static gint prefs_display_header_deleted(GtkWidget *widget, GdkEventAny *event,
 739                                          gpointer data)
 740 {
 741         prefs_display_header_cancel();
 742         return TRUE;
 743 }
 744
 745 static GtkListStore *prefs_display_header_create_store(void)
 746 {
 747         return gtk_list_store_new(N_PREFS_HDR_COLUMNS,
 748                                   G_TYPE_STRING,
 749                                   G_TYPE_POINTER,
 750                                   -1);
 751 }
 752
 753 static void prefs_display_header_insert_header(GtkListStore *store,
 754                                                gchar *name,
 755                                                DisplayHeaderProp *dp)
 756 {
 757         GtkTreeIter iter;
 758
 759         /* add new */
 760         gtk_list_store_append(store, &iter);
 761         gtk_list_store_set(store, &iter,
 762                            PREFS_HDR_HEADER,
 763                            name,
 764                            PREFS_HDR_DATA, dp,
 765                            -1);
 766 }
 767
 768 static GtkWidget *prefs_display_header_list_view_create(const gchar *name)
 769 {
 770         GtkWidget *list_view;
 771         GtkTreeSelection *selector;
 772         GtkTreeModel *model;
 773
 774         model = GTK_TREE_MODEL(prefs_display_header_create_store());
 775         list_view = gtk_tree_view_new_with_model(model);
 776         g_object_unref(G_OBJECT(model));
 777
 778         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view),
 779                                      prefs_common.use_stripes_everywhere);
 780
 781         selector = gtk_tree_view_get_selection(GTK_TREE_VIEW(list_view));
 782         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 783
 784         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view), name);
 785
 786         return list_view;
 787 }
 788
 789 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view,
 790                                                      const gchar *name)
 791 {
 792         GtkTreeViewColumn *column;
 793         GtkCellRenderer *renderer;
 794
 795         renderer = gtk_cell_renderer_text_new();
 796         column = gtk_tree_view_column_new_with_attributes
 797                 (name, renderer, "text", PREFS_HDR_HEADER, NULL);
 798         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 799 }
 800
 801 /*!
 802  *\brief        Called as a result of a drag & drop
 803  */
 804 static void headers_list_model_row_changed(GtkTreeModel *model,
 805                                            GtkTreePath *path,
 806                                            GtkTreeIter *iter,
 807                                            GtkTreeView *list_view)
 808 {
 809         prefs_display_header_set_list();
 810 }
 811
 812 /*!
 813  *\brief        Called as a result of a gtk_list_store_swap()
 814  */
 815 static void headers_list_model_rows_reordered(GtkTreeModel *model,
 816                                               GtkTreePath  *path,
 817                                               GtkTreeIter  *iter,
 818                                               gpointer      arg,
 819                                               GtkTreeView  *list_view)
 820 {
 821         prefs_display_header_set_list();
 822 }
 823
 824 static void drag_begin(GtkTreeView *list_view,
 825                       GdkDragContext *context,
 826                       gpointer data)
 827 {
 828         /* XXX unfortunately a completed drag & drop does not emit
 829          * a "rows_reordered" signal, but a "row_changed" signal.
 830          * So during drag and drop, listen to "row_changed", and
 831          * update the account list accordingly */
 832
 833         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
 834         g_signal_connect(G_OBJECT(model), "row_changed",
 835                          G_CALLBACK(headers_list_model_row_changed),
 836                          list_view);
 837 }
 838
 839 static void drag_end(GtkTreeView *list_view,
 840                     GdkDragContext *context,
 841                     gpointer data)
 842 {
 843         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
 844         g_signal_handlers_disconnect_by_func(G_OBJECT(model),
 845                                              G_CALLBACK(headers_list_model_row_changed),
 846                                              list_view);
 847 }
 848