src/prefs_filtering.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 Hiroyuki Yamamoto and the Sylpheed-Claws 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 2 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, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  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 <gtk/gtkoptionmenu.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 "main.h"
  37 #include "prefs_gtk.h"
  38 #include "prefs_matcher.h"
  39 #include "prefs_filtering.h"
  40 #include "prefs_common.h"
  41 #include "mainwindow.h"
  42 #include "foldersel.h"
  43 #include "manage_window.h"
  44 #include "inc.h"
  45 #include "utils.h"
  46 #include "gtkutils.h"
  47 #include "alertpanel.h"
  48 #include "folder.h"
  49 #include "filtering.h"
  50 #include "addr_compl.h"
  51 #include "colorlabel.h"
  52
  53 #include "matcher_parser.h"
  54 #include "matcher.h"
  55 #include "prefs_filtering_action.h"
  56
  57 enum {
  58         PREFS_FILTERING_NAME,
  59         PREFS_FILTERING_RULE,
  60         PREFS_FILTERING_PROP,
  61         N_PREFS_FILTERING_COLUMNS
  62 };
  63
  64 static struct Filtering {
  65         GtkWidget *window;
  66
  67         GtkWidget *ok_btn;
  68         GtkWidget *name_entry;
  69         GtkWidget *cond_entry;
  70         GtkWidget *action_entry;
  71
  72         GtkWidget *cond_list_view;
  73 } filtering;
  74
  75 static GSList ** p_processing_list = NULL;
  76
  77 /* widget creating functions */
  78 static void prefs_filtering_create              (void);
  79
  80 static void prefs_filtering_set_dialog  (const gchar *header,
  81                                          const gchar *key);
  82 static void prefs_filtering_set_list    (void);
  83
  84 /* callback functions */
  85 static void prefs_filtering_register_cb (void);
  86 static void prefs_filtering_substitute_cb       (void);
  87 static void prefs_filtering_delete_cb   (void);
  88 static void prefs_filtering_top         (void);
  89 static void prefs_filtering_up          (void);
  90 static void prefs_filtering_down        (void);
  91 static void prefs_filtering_bottom      (void);
  92 static gint prefs_filtering_deleted     (GtkWidget      *widget,
  93                                          GdkEventAny    *event,
  94                                          gpointer        data);
  95 static gboolean prefs_filtering_key_pressed(GtkWidget   *widget,
  96                                          GdkEventKey    *event,
  97                                          gpointer        data);
  98 static void prefs_filtering_cancel      (void);
  99 static void prefs_filtering_ok          (void);
 100
 101 static void prefs_filtering_condition_define    (void);
 102 static void prefs_filtering_action_define(void);
 103 static gint prefs_filtering_list_view_set_row   (gint row, FilteringProp * prop);
 104
 105 static void prefs_filtering_reset_dialog        (void);
 106 static gboolean prefs_filtering_rename_path_func(GNode *node, gpointer data);
 107 static gboolean prefs_filtering_delete_path_func(GNode *node, gpointer data);
 108
 109 static void delete_path(GSList ** p_filters, const gchar * path);
 110
 111
 112 static GtkListStore* prefs_filtering_create_data_store  (void);
 113 static gint prefs_filtering_list_view_insert_rule       (GtkListStore *list_store,
 114                                                          gint row,
 115                                                          const gchar *name,
 116                                                          const gchar *rule,
 117                                                          gboolean prop);
 118 static gchar *prefs_filtering_list_view_get_rule        (GtkWidget *list,
 119                                                          gint row);
 120 static gchar *prefs_filtering_list_view_get_rule_name   (GtkWidget *list,
 121                                                          gint row);
 122
 123 static GtkWidget *prefs_filtering_list_view_create      (void);
 124 static void prefs_filtering_create_list_view_columns    (GtkWidget *list_view);
 125 static gint prefs_filtering_get_selected_row            (GtkWidget *list_view);
 126 static gboolean prefs_filtering_list_view_select_row    (GtkWidget *list, gint row);
 127
 128 static gboolean prefs_filtering_selected                (GtkTreeSelection *selector,
 129                                                          GtkTreeModel *model,
 130                                                          GtkTreePath *path,
 131                                                          gboolean currently_selected,
 132                                                          gpointer data);
 133
 134 void prefs_filtering_open(GSList ** p_processing,
 135                           const gchar * title,
 136                           const gchar *header,
 137                           const gchar *key)
 138 {
 139         if (prefs_rc_is_readonly(FILTERING_RC))
 140                 return;
 141
 142         inc_lock();
 143
 144         if (!filtering.window) {
 145                 prefs_filtering_create();
 146         }
 147
 148         manage_window_set_transient(GTK_WINDOW(filtering.window));
 149         gtk_widget_grab_focus(filtering.ok_btn);
 150
 151         if (title != NULL)
 152                 gtk_window_set_title(GTK_WINDOW(filtering.window), title);
 153         else
 154                 gtk_window_set_title (GTK_WINDOW(filtering.window),
 155                                       _("Filtering/Processing configuration"));
 156
 157         p_processing_list = p_processing;
 158
 159         prefs_filtering_set_dialog(header, key);
 160
 161         gtk_widget_show(filtering.window);
 162
 163         start_address_completion();
 164 }
 165
 166 static void prefs_filtering_size_allocate_cb(GtkWidget *widget,
 167                                          GtkAllocation *allocation)
 168 {
 169         g_return_if_fail(allocation != NULL);
 170
 171         prefs_common.filteringwin_width = allocation->width;
 172         prefs_common.filteringwin_height = allocation->height;
 173 }
 174
 175 /* prefs_filtering_close() - just to have one common exit point */
 176 static void prefs_filtering_close(void)
 177 {
 178         end_address_completion();
 179
 180         gtk_widget_hide(filtering.window);
 181         inc_unlock();
 182 }
 183
 184 static void prefs_filtering_create(void)
 185 {
 186         GtkWidget *window;
 187         GtkWidget *vbox;
 188         GtkWidget *ok_btn;
 189         GtkWidget *cancel_btn;
 190         GtkWidget *confirm_area;
 191
 192         GtkWidget *vbox1;
 193         GtkWidget *reg_hbox;
 194         GtkWidget *arrow;
 195         GtkWidget *btn_hbox;
 196
 197         GtkWidget *name_label;
 198         GtkWidget *name_entry;
 199         GtkWidget *cond_label;
 200         GtkWidget *cond_entry;
 201         GtkWidget *cond_btn;
 202         GtkWidget *action_label;
 203         GtkWidget *action_entry;
 204         GtkWidget *action_btn;
 205
 206         GtkWidget *reg_btn;
 207         GtkWidget *subst_btn;
 208         GtkWidget *del_btn;
 209
 210         GtkWidget *cond_hbox;
 211         GtkWidget *cond_scrolledwin;
 212         GtkWidget *cond_list_view;
 213
 214         GtkWidget *btn_vbox;
 215         GtkWidget *spc_vbox;
 216         GtkWidget *top_btn;
 217         GtkWidget *up_btn;
 218         GtkWidget *down_btn;
 219         GtkWidget *bottom_btn;
 220         GtkWidget *table;
 221         static GdkGeometry geometry;
 222
 223         debug_print("Creating filtering configuration window...\n");
 224
 225         window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 226         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 227         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 228         gtk_window_set_modal (GTK_WINDOW (window), TRUE);
 229         gtk_window_set_resizable(GTK_WINDOW (window), TRUE);
 230
 231         vbox = gtk_vbox_new (FALSE, 6);
 232         gtk_widget_show (vbox);
 233         gtk_container_add (GTK_CONTAINER (window), vbox);
 234
 235         gtkut_stock_button_set_create(&confirm_area, &ok_btn, GTK_STOCK_OK,
 236                                       &cancel_btn, GTK_STOCK_CANCEL, NULL, NULL);
 237         gtk_widget_show (confirm_area);
 238         gtk_box_pack_end (GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 239         gtk_widget_grab_default (ok_btn);
 240
 241         gtk_window_set_title (GTK_WINDOW(window),
 242                                     _("Filtering/Processing configuration"));
 243
 244         g_signal_connect(G_OBJECT(window), "delete_event",
 245                          G_CALLBACK(prefs_filtering_deleted), NULL);
 246         g_signal_connect(G_OBJECT(window), "size_allocate",
 247                          G_CALLBACK(prefs_filtering_size_allocate_cb), NULL);
 248         g_signal_connect(G_OBJECT(window), "key_press_event",
 249                          G_CALLBACK(prefs_filtering_key_pressed), NULL);
 250         MANAGE_WINDOW_SIGNALS_CONNECT (window);
 251         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 252                          G_CALLBACK(prefs_filtering_ok), NULL);
 253         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 254                          G_CALLBACK(prefs_filtering_cancel), NULL);
 255
 256         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 257         gtk_widget_show (vbox1);
 258         gtk_box_pack_start (GTK_BOX (vbox), vbox1, FALSE, TRUE, 0);
 259         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 260
 261         table = gtk_table_new(3, 3, FALSE);
 262         gtk_widget_show(table);
 263         gtk_box_pack_start (GTK_BOX (vbox1), table, TRUE, TRUE, 0);
 264
 265
 266         name_label = gtk_label_new (_("Name: "));
 267         gtk_widget_show (name_label);
 268         gtk_misc_set_alignment (GTK_MISC (name_label), 1, 0.5);
 269         gtk_table_attach (GTK_TABLE (table), name_label, 0, 1, 0, 1,
 270                           (GtkAttachOptions) (GTK_FILL),
 271                           (GtkAttachOptions) (0), 0, 0);
 272
 273         name_entry = gtk_entry_new ();
 274         gtk_widget_show (name_entry);
 275         gtk_table_attach (GTK_TABLE (table), name_entry, 1, 2, 0, 1,
 276                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 277                           (GtkAttachOptions) (0), 0, 0);
 278
 279         cond_label = gtk_label_new (_("Condition: "));
 280         gtk_widget_show (cond_label);
 281         gtk_misc_set_alignment (GTK_MISC (cond_label), 1, 0.5);
 282         gtk_table_attach (GTK_TABLE (table), cond_label, 0, 1, 1, 2,
 283                           (GtkAttachOptions) (GTK_FILL),
 284                           (GtkAttachOptions) (0), 0, 0);
 285
 286         cond_entry = gtk_entry_new ();
 287         gtk_widget_show (cond_entry);
 288         gtk_table_attach (GTK_TABLE (table), cond_entry, 1, 2, 1, 2,
 289                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 290                           (GtkAttachOptions) (0), 0, 0);
 291
 292         cond_btn = gtk_button_new_with_label (_("Define ..."));
 293         gtk_widget_show (cond_btn);
 294         gtk_table_attach (GTK_TABLE (table), cond_btn, 2, 3, 1, 2,
 295                           (GtkAttachOptions) (GTK_FILL),
 296                           (GtkAttachOptions) (0), 2, 2);
 297         g_signal_connect(G_OBJECT (cond_btn), "clicked",
 298                          G_CALLBACK(prefs_filtering_condition_define),
 299                          NULL);
 300
 301         action_label = gtk_label_new (_("Action: "));
 302         gtk_widget_show (action_label);
 303         gtk_misc_set_alignment (GTK_MISC (action_label), 1, 0.5);
 304         gtk_table_attach (GTK_TABLE (table), action_label, 0, 1, 2, 3,
 305                           (GtkAttachOptions) (GTK_FILL),
 306                           (GtkAttachOptions) (0), 0, 0);
 307
 308         action_entry = gtk_entry_new ();
 309         gtk_widget_show (action_entry);
 310         gtk_table_attach (GTK_TABLE (table), action_entry, 1, 2, 2, 3,
 311                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 312                           (GtkAttachOptions) (0), 0, 0);
 313
 314         action_btn = gtk_button_new_with_label (_("Define ..."));
 315         gtk_widget_show (action_btn);
 316         gtk_table_attach (GTK_TABLE (table), action_btn, 2, 3, 2, 3,
 317                           (GtkAttachOptions) (GTK_FILL),
 318                           (GtkAttachOptions) (0), 2, 2);
 319         g_signal_connect(G_OBJECT (action_btn), "clicked",
 320                          G_CALLBACK(prefs_filtering_action_define),
 321                          NULL);
 322
 323         /* register / substitute / delete */
 324         reg_hbox = gtk_hbox_new (FALSE, 4);
 325         gtk_widget_show (reg_hbox);
 326         gtk_box_pack_start (GTK_BOX (vbox1), reg_hbox, FALSE, FALSE, 0);
 327
 328         arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 329         gtk_widget_show (arrow);
 330         gtk_box_pack_start (GTK_BOX (reg_hbox), arrow, FALSE, FALSE, 0);
 331         gtk_widget_set_size_request (arrow, -1, 16);
 332
 333         btn_hbox = gtk_hbox_new (TRUE, 4);
 334         gtk_widget_show (btn_hbox);
 335         gtk_box_pack_start (GTK_BOX (reg_hbox), btn_hbox, FALSE, FALSE, 0);
 336
 337         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 338         gtk_widget_show (reg_btn);
 339         gtk_box_pack_start (GTK_BOX (btn_hbox), reg_btn, FALSE, TRUE, 0);
 340         g_signal_connect(G_OBJECT (reg_btn), "clicked",
 341                          G_CALLBACK(prefs_filtering_register_cb), NULL);
 342
 343         subst_btn = gtk_button_new_with_label (_("  Replace  "));
 344         gtk_widget_show (subst_btn);
 345         gtk_box_pack_start (GTK_BOX (btn_hbox), subst_btn, FALSE, TRUE, 0);
 346         g_signal_connect(G_OBJECT (subst_btn), "clicked",
 347                          G_CALLBACK(prefs_filtering_substitute_cb),
 348                          NULL);
 349
 350         del_btn = gtk_button_new_from_stock (GTK_STOCK_DELETE);
 351         gtk_widget_show (del_btn);
 352         gtk_box_pack_start (GTK_BOX (btn_hbox), del_btn, FALSE, TRUE, 0);
 353         g_signal_connect(G_OBJECT (del_btn), "clicked",
 354                         G_CALLBACK(prefs_filtering_delete_cb), NULL);
 355
 356         cond_hbox = gtk_hbox_new (FALSE, 8);
 357         gtk_widget_show (cond_hbox);
 358         gtk_box_pack_start (GTK_BOX (vbox), cond_hbox, TRUE, TRUE, 0);
 359
 360         cond_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 361         gtk_widget_show (cond_scrolledwin);
 362         gtk_widget_set_size_request (cond_scrolledwin, -1, 150);
 363         gtk_box_pack_start (GTK_BOX (cond_hbox), cond_scrolledwin,
 364                             TRUE, TRUE, 0);
 365         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (cond_scrolledwin),
 366                                         GTK_POLICY_AUTOMATIC,
 367                                         GTK_POLICY_AUTOMATIC);
 368
 369         cond_list_view = prefs_filtering_list_view_create();
 370         gtk_widget_show (cond_list_view);
 371         gtk_container_add (GTK_CONTAINER (cond_scrolledwin), cond_list_view);
 372
 373         btn_vbox = gtk_vbox_new (FALSE, 8);
 374         gtk_widget_show (btn_vbox);
 375         gtk_box_pack_start (GTK_BOX (cond_hbox), btn_vbox, FALSE, FALSE, 0);
 376
 377         top_btn = gtk_button_new_from_stock (GTK_STOCK_GOTO_TOP);
 378         gtk_widget_show (top_btn);
 379         gtk_box_pack_start (GTK_BOX (btn_vbox), top_btn, FALSE, FALSE, 0);
 380         g_signal_connect(G_OBJECT (top_btn), "clicked",
 381                          G_CALLBACK(prefs_filtering_top), NULL);
 382
 383         PACK_VSPACER (btn_vbox, spc_vbox, VSPACING_NARROW_2);
 384
 385         up_btn = gtk_button_new_from_stock (GTK_STOCK_GO_UP);
 386         gtk_widget_show (up_btn);
 387         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 388         g_signal_connect(G_OBJECT (up_btn), "clicked",
 389                          G_CALLBACK(prefs_filtering_up), NULL);
 390
 391         down_btn = gtk_button_new_from_stock (GTK_STOCK_GO_DOWN);
 392         gtk_widget_show (down_btn);
 393         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 394         g_signal_connect(G_OBJECT (down_btn), "clicked",
 395                          G_CALLBACK(prefs_filtering_down), NULL);
 396
 397         PACK_VSPACER (btn_vbox, spc_vbox, VSPACING_NARROW_2);
 398
 399         bottom_btn = gtk_button_new_from_stock (GTK_STOCK_GOTO_BOTTOM);
 400         gtk_widget_show (bottom_btn);
 401         gtk_box_pack_start (GTK_BOX (btn_vbox), bottom_btn, FALSE, FALSE, 0);
 402         g_signal_connect(G_OBJECT (bottom_btn), "clicked",
 403                          G_CALLBACK(prefs_filtering_bottom), NULL);
 404
 405         if (!geometry.min_height) {
 406                 geometry.min_width = 500;
 407                 geometry.min_height = 400;
 408         }
 409
 410         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 411                                       GDK_HINT_MIN_SIZE);
 412         gtk_widget_set_size_request(window, prefs_common.filteringwin_width,
 413                                     prefs_common.filteringwin_height);
 414
 415         gtk_widget_show_all(window);
 416
 417         filtering.window    = window;
 418         filtering.ok_btn = ok_btn;
 419
 420         filtering.name_entry     = name_entry;
 421         filtering.cond_entry     = cond_entry;
 422         filtering.action_entry   = action_entry;
 423         filtering.cond_list_view = cond_list_view;
 424 }
 425
 426 static void rename_path(GSList * filters,
 427                         const gchar * old_path, const gchar * new_path);
 428
 429 void prefs_filtering_rename_path(const gchar *old_path, const gchar *new_path)
 430 {
 431         GList * cur;
 432         const gchar *paths[2] = {NULL, NULL};
 433         paths[0] = old_path;
 434         paths[1] = new_path;
 435         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
 436                 Folder *folder;
 437                 folder = (Folder *) cur->data;
 438                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 439                                 prefs_filtering_rename_path_func, paths);
 440         }
 441
 442         rename_path(pre_global_processing, old_path, new_path);
 443         rename_path(post_global_processing, old_path, new_path);
 444         rename_path(filtering_rules, old_path, new_path);
 445
 446         prefs_matcher_write_config();
 447 }
 448
 449 static void rename_path(GSList * filters,
 450                         const gchar * old_path, const gchar * new_path)
 451 {
 452         gchar *base;
 453         gchar *prefix;
 454         gchar *suffix;
 455         gchar *dest_path;
 456         gchar *old_path_with_sep;
 457         gint destlen;
 458         gint prefixlen;
 459         gint oldpathlen;
 460         GSList * action_cur;
 461         GSList * cur;
 462
 463         oldpathlen = strlen(old_path);
 464         old_path_with_sep = g_strconcat(old_path,G_DIR_SEPARATOR_S,NULL);
 465
 466         for (cur = filters; cur != NULL; cur = cur->next) {
 467                 FilteringProp   *filtering = (FilteringProp *)cur->data;
 468
 469                 for(action_cur = filtering->action_list ; action_cur != NULL ;
 470                     action_cur = action_cur->next) {
 471
 472                         FilteringAction *action = action_cur->data;
 473
 474                         if (!action->destination) continue;
 475
 476                         destlen = strlen(action->destination);
 477
 478                         if (destlen > oldpathlen) {
 479                                 prefixlen = destlen - oldpathlen;
 480                                 suffix = action->destination + prefixlen;
 481
 482                                 if (!strncmp(old_path, suffix, oldpathlen)) {
 483                                         prefix = g_malloc0(prefixlen + 1);
 484                                         strncpy2(prefix, action->destination, prefixlen);
 485
 486                                         base = suffix + oldpathlen;
 487                                         while (*base == G_DIR_SEPARATOR) base++;
 488                                         if (*base == '\0')
 489                                                 dest_path = g_strconcat(prefix,
 490                                                     G_DIR_SEPARATOR_S,
 491                                                     new_path, NULL);
 492                                         else
 493                                                 dest_path = g_strconcat(prefix,
 494                                                     G_DIR_SEPARATOR_S,
 495                                                     new_path,
 496                                                     G_DIR_SEPARATOR_S,
 497                                                     base, NULL);
 498
 499                                         g_free(prefix);
 500                                         g_free(action->destination);
 501                                         action->destination = dest_path;
 502                                 } else { /* for non-leaf folders */
 503                                         /* compare with trailing slash */
 504                                         if (!strncmp(old_path_with_sep, action->destination, oldpathlen+1)) {
 505
 506                                                 suffix = action->destination + oldpathlen + 1;
 507                                                 dest_path = g_strconcat(new_path,
 508                                                     G_DIR_SEPARATOR_S,
 509                                                     suffix, NULL);
 510                                                 g_free(action->destination);
 511                                                 action->destination = dest_path;
 512                                         }
 513                                 }
 514                         } else {
 515                                 /* folder-moving a leaf */
 516                                 if (!strcmp(old_path, action->destination)) {
 517                                         dest_path = g_strdup(new_path);
 518                                         g_free(action->destination);
 519                                         action->destination = dest_path;
 520                                 }
 521                         }
 522                 }
 523         }
 524 }
 525
 526 static gboolean prefs_filtering_rename_path_func(GNode *node, gpointer data)
 527 {
 528         GSList *filters;
 529         const gchar * old_path;
 530         const gchar * new_path;
 531         const gchar ** paths;
 532         FolderItem *item;
 533
 534         paths = data;
 535         old_path = paths[0];
 536         new_path = paths[1];
 537
 538         g_return_val_if_fail(old_path != NULL, FALSE);
 539         g_return_val_if_fail(new_path != NULL, FALSE);
 540         g_return_val_if_fail(node != NULL, FALSE);
 541
 542         item = node->data;
 543         if (!item || !item->prefs)
 544                 return FALSE;
 545         filters = item->prefs->processing;
 546
 547         rename_path(filters, old_path, new_path);
 548
 549         return FALSE;
 550 }
 551
 552 void prefs_filtering_delete_path(const gchar *path)
 553 {
 554         GList * cur;
 555         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
 556                 Folder *folder;
 557                 folder = (Folder *) cur->data;
 558                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 559                                 prefs_filtering_delete_path_func, (gchar *)path);
 560         }
 561         delete_path(&pre_global_processing, path);
 562         delete_path(&post_global_processing, path);
 563         delete_path(&filtering_rules, path);
 564
 565         prefs_matcher_write_config();
 566 }
 567
 568 static void delete_path(GSList ** p_filters, const gchar * path)
 569 {
 570         GSList * filters;
 571         GSList * duplist;
 572         gchar *suffix;
 573         gint destlen;
 574         gint prefixlen;
 575         gint pathlen;
 576         GSList * action_cur;
 577         GSList * cur;
 578
 579         filters = *p_filters;
 580         pathlen = strlen(path);
 581         duplist = g_slist_copy(filters);
 582         for (cur = duplist ; cur != NULL; cur = g_slist_next(cur)) {
 583                 FilteringProp *filtering = (FilteringProp *) cur->data;
 584
 585                 for(action_cur = filtering->action_list ; action_cur != NULL ;
 586                     action_cur = action_cur->next) {
 587
 588                         FilteringAction *action;
 589
 590                         action = action_cur->data;
 591
 592                         if (!action->destination) continue;
 593
 594                         destlen = strlen(action->destination);
 595
 596                         if (destlen > pathlen) {
 597                                 prefixlen = destlen - pathlen;
 598                                 suffix = action->destination + prefixlen;
 599
 600                                 if (suffix && !strncmp(path, suffix, pathlen)) {
 601                                         filteringprop_free(filtering);
 602                                         filters = g_slist_remove(filters, filtering);
 603                                 }
 604                         } else if (strcmp(action->destination, path) == 0) {
 605                                 filteringprop_free(filtering);
 606                                 filters = g_slist_remove(filters, filtering);
 607                         }
 608                 }
 609         }
 610         g_slist_free(duplist);
 611
 612         * p_filters = filters;
 613 }
 614
 615 static gboolean prefs_filtering_delete_path_func(GNode *node, gpointer data)
 616 {
 617         const gchar *path = data;
 618         FolderItem *item;
 619         GSList ** p_filters;
 620
 621         g_return_val_if_fail(path != NULL, FALSE);
 622         g_return_val_if_fail(node != NULL, FALSE);
 623
 624         item = node->data;
 625         if (!item || !item->prefs)
 626                 return FALSE;
 627         p_filters = &item->prefs->processing;
 628
 629         delete_path(p_filters, path);
 630
 631         return FALSE;
 632 }
 633
 634 static void prefs_filtering_set_dialog(const gchar *header, const gchar *key)
 635 {
 636         GtkTreeView *list_view = GTK_TREE_VIEW(filtering.cond_list_view);
 637         GSList *cur;
 638         GSList * prefs_filtering;
 639         gchar *cond_str;
 640         GtkListStore *list_store;
 641
 642         list_store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 643         gtk_list_store_clear(list_store);
 644
 645         /* add the place holder (New) at row 0 */
 646         prefs_filtering_list_view_insert_rule(list_store, -1,
 647                                               _("(New)"),
 648                                               _("(New)"),
 649                                               FALSE);
 650
 651         prefs_filtering = *p_processing_list;
 652
 653         for(cur = prefs_filtering ; cur != NULL ; cur = g_slist_next(cur)) {
 654                 FilteringProp * prop = (FilteringProp *) cur->data;
 655
 656                 cond_str = filteringprop_to_string(prop);
 657                 subst_char(cond_str, '\t', ':');
 658
 659                 prefs_filtering_list_view_insert_rule(list_store, -1,
 660                                                       prop->name,
 661                                                       cond_str, TRUE);
 662
 663                 g_free(cond_str);
 664         }
 665
 666         prefs_filtering_reset_dialog();
 667
 668         if (header && key) {
 669                 gchar * quoted_key;
 670                 gchar *match_str;
 671
 672                 quoted_key = matcher_quote_str(key);
 673
 674                 match_str = g_strconcat(header, " ", get_matchparser_tab_str(MATCHTYPE_MATCHCASE),
 675                                         " \"", quoted_key, "\"", NULL);
 676                 g_free(quoted_key);
 677
 678                 gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), match_str);
 679                 g_free(match_str);
 680         }
 681 }
 682
 683 static void prefs_filtering_reset_dialog(void)
 684 {
 685         gtk_entry_set_text(GTK_ENTRY(filtering.name_entry), "");
 686         gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), "");
 687         gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), "");
 688 }
 689
 690 static void prefs_filtering_set_list(void)
 691 {
 692         gint row = 1;
 693         FilteringProp *prop;
 694         GSList * cur;
 695         gchar * filtering_str;
 696         GSList * prefs_filtering;
 697
 698         prefs_filtering = *p_processing_list;
 699         for (cur = prefs_filtering ; cur != NULL ; cur = g_slist_next(cur))
 700                 filteringprop_free((FilteringProp *) cur->data);
 701         g_slist_free(prefs_filtering);
 702         prefs_filtering = NULL;
 703
 704
 705         while (NULL != (filtering_str = prefs_filtering_list_view_get_rule
 706                                                 (filtering.cond_list_view, row))) {
 707                 /* FIXME: this strcmp() is bogus: "(New)" should never
 708                  * be inserted in the storage */
 709                 if (strcmp(filtering_str, _("(New)")) != 0) {
 710                         gchar *name = prefs_filtering_list_view_get_rule_name(filtering.cond_list_view, row);
 711                         prop = matcher_parser_get_filtering(filtering_str);
 712                         g_free(filtering_str);
 713                         if (prop) {
 714                                 prop->name = name;
 715                                 prefs_filtering =
 716                                         g_slist_append(prefs_filtering, prop);
 717                         }
 718                 }
 719
 720                 row++;
 721         }
 722
 723         *p_processing_list = prefs_filtering;
 724 }
 725
 726 static gint prefs_filtering_list_view_set_row(gint row, FilteringProp * prop)
 727 {
 728         GtkTreeView *list_view = GTK_TREE_VIEW(filtering.cond_list_view);
 729         gchar *str;
 730         GtkListStore *list_store;
 731         gchar *name = NULL;
 732
 733         str = filteringprop_to_string(prop);
 734         if (str == NULL)
 735                 return -1;
 736
 737         if (prop && prop->name)
 738                 name = prop->name;
 739
 740         list_store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 741
 742         row = prefs_filtering_list_view_insert_rule(list_store, row, name, str, prop != NULL);
 743
 744         g_free(str);
 745
 746         return row;
 747 }
 748
 749 static void prefs_filtering_condition_define_done(MatcherList * matchers)
 750 {
 751         gchar * str;
 752
 753         if (matchers == NULL)
 754                 return;
 755
 756         str = matcherlist_to_string(matchers);
 757
 758         if (str != NULL) {
 759                 gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), str);
 760                 g_free(str);
 761         }
 762 }
 763
 764 static void prefs_filtering_condition_define(void)
 765 {
 766         gchar * cond_str;
 767         MatcherList * matchers = NULL;
 768
 769         cond_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.cond_entry), 0, -1);
 770
 771         if (*cond_str != '\0') {
 772                 matchers = matcher_parser_get_cond(cond_str);
 773                 if (matchers == NULL)
 774                         alertpanel_error(_("Condition string is not valid."));
 775         }
 776
 777         g_free(cond_str);
 778
 779         prefs_matcher_open(matchers, prefs_filtering_condition_define_done);
 780
 781         if (matchers != NULL)
 782                 matcherlist_free(matchers);
 783 }
 784
 785 static void prefs_filtering_action_define_done(GSList * action_list)
 786 {
 787         gchar * str;
 788
 789         if (action_list == NULL)
 790                 return;
 791
 792         str = filteringaction_list_to_string(action_list);
 793
 794         if (str != NULL) {
 795                 gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), str);
 796                 g_free(str);
 797         }
 798 }
 799
 800 static void prefs_filtering_action_define(void)
 801 {
 802         gchar * action_str;
 803         GSList * action_list = NULL;
 804
 805         action_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.action_entry), 0, -1);
 806
 807         if (*action_str != '\0') {
 808                 action_list = matcher_parser_get_action_list(action_str);
 809                 if (action_list == NULL)
 810                         alertpanel_error(_("Action string is not valid."));
 811         }
 812
 813         g_free(action_str);
 814
 815         prefs_filtering_action_open(action_list,
 816             prefs_filtering_action_define_done);
 817
 818         if (action_list != NULL) {
 819                 GSList * cur;
 820                 for(cur = action_list ; cur != NULL ; cur = cur->next) {
 821                         filteringaction_free(cur->data);
 822                 }
 823         }
 824 }
 825
 826
 827 /* register / substitute delete buttons */
 828
 829
 830 static FilteringProp * prefs_filtering_dialog_to_filtering(gboolean alert)
 831 {
 832         MatcherList * cond;
 833         gchar * name = NULL;
 834         gchar * cond_str = NULL;
 835         gchar * action_str = NULL;
 836         FilteringProp * prop = NULL;
 837         GSList * action_list;
 838
 839         name = gtk_editable_get_chars(GTK_EDITABLE(filtering.name_entry), 0, -1);
 840
 841         cond_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.cond_entry), 0, -1);
 842         if (*cond_str == '\0') {
 843                 if(alert == TRUE) alertpanel_error(_("Condition string is empty."));
 844                 goto fail;
 845         }
 846
 847         action_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.action_entry), 0, -1);
 848         if (*action_str == '\0') {
 849                 if(alert == TRUE) alertpanel_error(_("Action string is empty."));
 850                 goto fail;
 851         }
 852
 853         cond = matcher_parser_get_cond(cond_str);
 854
 855         if (cond == NULL) {
 856                 if(alert == TRUE) alertpanel_error(_("Condition string is not valid."));
 857                 goto fail;
 858         }
 859
 860         action_list = matcher_parser_get_action_list(action_str);
 861
 862
 863         if (action_list == NULL) {
 864                 if(alert == TRUE) alertpanel_error(_("Action string is not valid."));
 865                 goto fail;
 866         }
 867
 868         prop = filteringprop_new(name, cond, action_list);
 869
 870 fail:
 871         g_free(name);
 872         g_free(cond_str);
 873         g_free(action_str);
 874         return prop;
 875 }
 876
 877 static void prefs_filtering_register_cb(void)
 878 {
 879         FilteringProp * prop;
 880
 881         prop = prefs_filtering_dialog_to_filtering(TRUE);
 882         if (prop == NULL)
 883                 return;
 884         prefs_filtering_list_view_set_row(-1, prop);
 885
 886         filteringprop_free(prop);
 887
 888         prefs_filtering_reset_dialog();
 889 }
 890
 891 static void prefs_filtering_substitute_cb(void)
 892 {
 893         gint selected_row = prefs_filtering_get_selected_row
 894                 (filtering.cond_list_view);
 895         FilteringProp *prop;
 896
 897         if (selected_row <= 0)
 898                 return;
 899
 900         prop = prefs_filtering_dialog_to_filtering(TRUE);
 901         if (prop == NULL)
 902                 return;
 903         prefs_filtering_list_view_set_row(selected_row, prop);
 904
 905         filteringprop_free(prop);
 906
 907         prefs_filtering_reset_dialog();
 908 }
 909
 910 static void prefs_filtering_delete_cb(void)
 911 {
 912         GtkTreeView *list_view = GTK_TREE_VIEW(filtering.cond_list_view);
 913         GtkTreeModel *model;
 914         GtkTreeIter iter;
 915         gint row;
 916
 917         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
 918         if (row <= 0)
 919                 return;
 920
 921         if (alertpanel(_("Delete rule"),
 922                        _("Do you really want to delete this rule?"),
 923                        GTK_STOCK_YES, GTK_STOCK_NO, NULL) == G_ALERTALTERNATE)
 924                 return;
 925
 926         model = gtk_tree_view_get_model(list_view);
 927         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
 928                 return;
 929
 930         gtk_list_store_remove(GTK_LIST_STORE(model), &iter);
 931
 932         prefs_filtering_reset_dialog();
 933 }
 934
 935 static void prefs_filtering_top(void)
 936 {
 937         gint row;
 938         GtkTreeIter top, sel;
 939         GtkTreeModel *model;
 940
 941         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
 942         if (row <= 1)
 943                 return;
 944
 945         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
 946
 947         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, 0)
 948         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, row))
 949                 return;
 950
 951         gtk_list_store_move_after(GTK_LIST_STORE(model), &sel, &top);
 952         prefs_filtering_list_view_select_row(filtering.cond_list_view, 1);
 953 }
 954
 955 static void prefs_filtering_up(void)
 956 {
 957         gint row;
 958         GtkTreeIter top, sel;
 959         GtkTreeModel *model;
 960
 961         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
 962         if (row <= 1)
 963                 return;
 964
 965         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
 966
 967         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, row - 1)
 968         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, row))
 969                 return;
 970
 971         gtk_list_store_swap(GTK_LIST_STORE(model), &top, &sel);
 972         prefs_filtering_list_view_select_row(filtering.cond_list_view, row - 1);
 973 }
 974
 975 static void prefs_filtering_down(void)
 976 {
 977         gint row, n_rows;
 978         GtkTreeIter top, sel;
 979         GtkTreeModel *model;
 980
 981         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
 982         n_rows = gtk_tree_model_iter_n_children(model, NULL);
 983         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
 984         if (row < 1 || row >= n_rows - 1)
 985                 return;
 986
 987         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, row)
 988         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, row + 1))
 989                 return;
 990
 991         gtk_list_store_swap(GTK_LIST_STORE(model), &top, &sel);
 992         prefs_filtering_list_view_select_row(filtering.cond_list_view, row + 1);
 993 }
 994
 995 static void prefs_filtering_bottom(void)
 996 {
 997         gint row, n_rows;
 998         GtkTreeIter top, sel;
 999         GtkTreeModel *model;
1000
1001         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
1002         n_rows = gtk_tree_model_iter_n_children(model, NULL);
1003         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
1004         if (row < 1 || row >= n_rows - 1)
1005                 return;
1006
1007         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, row)
1008         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, n_rows - 1))
1009                 return;
1010
1011         gtk_list_store_move_after(GTK_LIST_STORE(model), &top, &sel);
1012         prefs_filtering_list_view_select_row(filtering.cond_list_view, n_rows - 1);
1013 }
1014
1015 static void prefs_filtering_select_set(FilteringProp *prop)
1016 {
1017         gchar *matcher_str;
1018         gchar *action_str;
1019
1020         prefs_filtering_reset_dialog();
1021
1022         matcher_str = matcherlist_to_string(prop->matchers);
1023         if (matcher_str == NULL) {
1024                 return;
1025         }
1026
1027         if (prop->name != NULL)
1028                 gtk_entry_set_text(GTK_ENTRY(filtering.name_entry), prop->name);
1029
1030         gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), matcher_str);
1031
1032         action_str = filteringaction_list_to_string(prop->action_list);
1033         if (matcher_str == NULL) {
1034                 return;
1035         }
1036         gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), action_str);
1037
1038         g_free(action_str);
1039         g_free(matcher_str);
1040 }
1041
1042 static gint prefs_filtering_deleted(GtkWidget *widget, GdkEventAny *event,
1043                                  gpointer data)
1044 {
1045         prefs_filtering_cancel();
1046         return TRUE;
1047 }
1048
1049 static gboolean prefs_filtering_key_pressed(GtkWidget *widget, GdkEventKey *event,
1050                                      gpointer data)
1051 {
1052         if (event && event->keyval == GDK_Escape) {
1053                 prefs_filtering_cancel();
1054                 return TRUE;
1055         }
1056         return FALSE;
1057 }
1058
1059 static void prefs_filtering_ok(void)
1060 {
1061         FilteringProp * prop;
1062         gchar * str;
1063         gchar * filtering_str;
1064         gint row = 1;
1065         AlertValue val;
1066
1067         prop = prefs_filtering_dialog_to_filtering(FALSE);
1068         if (prop != NULL) {
1069                 str = filteringprop_to_string(prop);
1070
1071                 while (NULL != (filtering_str = (prefs_filtering_list_view_get_rule
1072                                                         (filtering.cond_list_view,
1073                                                          row)))) {
1074                         if (strcmp(filtering_str, str) == 0)
1075                                 break;
1076                         row++;
1077                         g_free(filtering_str);
1078                 }
1079
1080                 if (!filtering_str) {
1081                         val = alertpanel(_("Entry not saved"),
1082                                  _("The entry was not saved. Close anyway?"),
1083                                  GTK_STOCK_YES, GTK_STOCK_NO, NULL);
1084                         if (G_ALERTDEFAULT != val) {
1085                                 g_free(filtering_str);
1086                                 g_free(str); /* fixed two leaks: huzzah! */
1087                                 filteringprop_free(prop);
1088                                 return;
1089                         }
1090                 }
1091
1092                 g_free(filtering_str);
1093                 g_free(str);
1094                 filteringprop_free(prop); /* fixed a leak: huzzah! */
1095         } else {
1096                 gchar *name, *condition, *action;
1097                 name = gtk_editable_get_chars(GTK_EDITABLE(filtering.name_entry), 0, -1);
1098                 condition = gtk_editable_get_chars(GTK_EDITABLE(filtering.cond_entry), 0, -1);
1099                 action = gtk_editable_get_chars(GTK_EDITABLE(filtering.action_entry), 0, -1);
1100                 if (strlen(name) ||
1101                     strlen(condition) ||
1102                     strlen(action)) {
1103                         val = alertpanel(_("Entry not saved"),
1104                                  _("The entry was not saved. Close anyway?"),
1105                                  GTK_STOCK_YES, GTK_STOCK_NO, NULL);
1106                         if (G_ALERTDEFAULT != val) {
1107                                 g_free(name);
1108                                 g_free(condition);
1109                                 g_free(action);
1110                                 return;
1111                         }
1112                 }
1113                 g_free(name);
1114                 g_free(condition);
1115                 g_free(action);
1116         }
1117         prefs_filtering_set_list();
1118         prefs_matcher_write_config();
1119         prefs_filtering_close();
1120 }
1121
1122 static void prefs_filtering_cancel(void)
1123 {
1124         prefs_matcher_read_config();
1125         prefs_filtering_close();
1126 }
1127
1128 static GtkListStore* prefs_filtering_create_data_store(void)
1129 {
1130         return gtk_list_store_new(N_PREFS_FILTERING_COLUMNS,
1131                                   G_TYPE_STRING,
1132                                   G_TYPE_STRING,
1133                                   G_TYPE_BOOLEAN,
1134                                  -1);
1135 }
1136
1137 /*!
1138  *\brief        Insert filtering rule into store. Note that we access the
1139  *              tree view / store by index, which is a bit suboptimal, but
1140  *              at least it made GTK 2 porting easier.
1141  *
1142  *\param        list_store Store to operate on
1143  *\param        row -1 to add a new rule to store, else change an existing
1144  *              row
1145  *\param        rule String representation of rule
1146  *\param        prop TRUE if valid filtering rule; if FALSE it's the first
1147  *              entry in the store ("(New)").
1148  *
1149  *\return       int Row of inserted / changed rule.
1150  */
1151 static gint prefs_filtering_list_view_insert_rule(GtkListStore *list_store,
1152                                                   gint row,
1153                                                   const gchar *name,
1154                                                   const gchar *rule,
1155                                                   gboolean prop)
1156 {
1157         GtkTreeIter iter;
1158
1159         /* check if valid row at all */
1160         if (row >= 0) {
1161                 if (!gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(list_store),
1162                                                    &iter, NULL, row))
1163                         row = -1;
1164         }
1165
1166         if (row < 0) {
1167                 /* append new */
1168                 gtk_list_store_append(list_store, &iter);
1169                 gtk_list_store_set(list_store, &iter,
1170                                    PREFS_FILTERING_NAME, name,
1171                                    PREFS_FILTERING_RULE, rule,
1172                                    PREFS_FILTERING_PROP, prop,
1173                                    -1);
1174                 return gtk_tree_model_iter_n_children(GTK_TREE_MODEL(list_store),
1175                                                       NULL) - 1;
1176         } else {
1177                 /* change existing */
1178                 gtk_list_store_set(list_store, &iter,
1179                                    PREFS_FILTERING_NAME, name,
1180                                    PREFS_FILTERING_RULE, rule,
1181                                    -1);
1182                 return row;
1183         }
1184 }
1185
1186 /*!
1187  *\return       gchar * Rule at specified row - should be freed.
1188  */
1189 static gchar *prefs_filtering_list_view_get_rule(GtkWidget *list, gint row)
1190 {
1191         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1192         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1193         GtkTreeIter iter;
1194         gchar *result;
1195
1196         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1197                 return NULL;
1198
1199         gtk_tree_model_get(model, &iter,
1200                            PREFS_FILTERING_RULE, &result,
1201                            -1);
1202
1203         return result;
1204 }
1205
1206 static gchar *prefs_filtering_list_view_get_rule_name(GtkWidget *list, gint row)
1207 {
1208         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1209         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1210         GtkTreeIter iter;
1211         gchar *result = NULL;
1212
1213         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1214                 return NULL;
1215
1216         gtk_tree_model_get(model, &iter,
1217                            PREFS_FILTERING_NAME, &result,
1218                            -1);
1219
1220         return result;
1221 }
1222
1223 /*!
1224  *\brief        Create list view for filtering
1225  */
1226 static GtkWidget *prefs_filtering_list_view_create(void)
1227 {
1228         GtkTreeView *list_view;
1229         GtkTreeSelection *selector;
1230
1231         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(GTK_TREE_MODEL
1232                 (prefs_filtering_create_data_store())));
1233
1234         gtk_tree_view_set_rules_hint(list_view, prefs_common.enable_rules_hint);
1235         gtk_tree_view_set_reorderable(list_view, TRUE);
1236
1237         selector = gtk_tree_view_get_selection(list_view);
1238         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
1239         gtk_tree_selection_set_select_function(selector, prefs_filtering_selected,
1240                                                NULL, NULL);
1241
1242         /* create the columns */
1243         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view));
1244
1245         return GTK_WIDGET(list_view);
1246 }
1247
1248 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view)
1249 {
1250         GtkTreeViewColumn *column;
1251         GtkCellRenderer *renderer;
1252
1253         renderer = gtk_cell_renderer_text_new();
1254         column = gtk_tree_view_column_new_with_attributes
1255                 (_("Name"),
1256                  renderer,
1257                  "text", PREFS_FILTERING_NAME,
1258                  NULL);
1259         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
1260         gtk_tree_view_column_set_resizable(column, TRUE);
1261
1262         renderer = gtk_cell_renderer_text_new();
1263         column = gtk_tree_view_column_new_with_attributes
1264                 (_("Rule"),
1265                  renderer,
1266                  "text", PREFS_FILTERING_RULE,
1267                  NULL);
1268         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
1269 }
1270
1271 static gboolean gtkut_tree_iter_comp(GtkTreeModel *model,
1272                                      GtkTreeIter *iter1,
1273                                      GtkTreeIter *iter2)
1274 {
1275         GtkTreePath *path1 = gtk_tree_model_get_path(model, iter1);
1276         GtkTreePath *path2 = gtk_tree_model_get_path(model, iter2);
1277         gboolean result;
1278
1279         result = gtk_tree_path_compare(path1, path2) == 0;
1280
1281         gtk_tree_path_free(path1);
1282         gtk_tree_path_free(path2);
1283
1284         return result;
1285 }
1286
1287 /*!
1288  *\brief        Get selected row number.
1289  */
1290 static gint prefs_filtering_get_selected_row(GtkWidget *list_view)
1291 {
1292         GtkTreeView *view = GTK_TREE_VIEW(list_view);
1293         GtkTreeModel *model = gtk_tree_view_get_model(view);
1294         int n_rows = gtk_tree_model_iter_n_children(model, NULL);
1295         GtkTreeSelection *selection;
1296         GtkTreeIter iter;
1297         int row;
1298
1299         if (n_rows == 0)
1300                 return -1;
1301
1302         selection = gtk_tree_view_get_selection(view);
1303         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1304                 return -1;
1305
1306         /* get all iterators and compare them... */
1307         for (row = 0; row < n_rows; row++) {
1308                 GtkTreeIter itern;
1309
1310                 gtk_tree_model_iter_nth_child(model, &itern, NULL, row);
1311                 if (gtkut_tree_iter_comp(model, &iter, &itern))
1312                         return row;
1313         }
1314
1315         return -1;
1316 }
1317
1318 static gboolean prefs_filtering_list_view_select_row(GtkWidget *list, gint row)
1319 {
1320         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1321         GtkTreeSelection *selection = gtk_tree_view_get_selection(list_view);
1322         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1323         GtkTreeIter iter;
1324         GtkTreePath *path;
1325
1326         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1327                 return FALSE;
1328
1329         gtk_tree_selection_select_iter(selection, &iter);
1330
1331         path = gtk_tree_model_get_path(model, &iter);
1332         gtk_tree_view_set_cursor(list_view, path, NULL, FALSE);
1333         gtk_tree_path_free(path);
1334
1335         return TRUE;
1336 }
1337
1338 /*!
1339  *\brief        Triggered when a row is selected
1340  */
1341 static gboolean prefs_filtering_selected(GtkTreeSelection *selector,
1342                                          GtkTreeModel *model,
1343                                          GtkTreePath *path,
1344                                          gboolean currently_selected,
1345                                          gpointer data)
1346 {
1347         if (currently_selected)
1348                 return TRUE;
1349         else {
1350                 gboolean has_prop  = FALSE;
1351                 GtkTreeIter iter;
1352
1353                 gtk_tree_model_get_iter(model, &iter, path);
1354                 gtk_tree_model_get(model, &iter,
1355                                    PREFS_FILTERING_PROP, &has_prop,
1356                                    -1);
1357
1358                 if (has_prop) {
1359                         FilteringProp *prop;
1360                         gchar *filtering_str = NULL;
1361                         gchar *name = NULL;
1362
1363                         gtk_tree_model_get(model, &iter,
1364                                            PREFS_FILTERING_RULE, &filtering_str,
1365                                            -1);
1366                         gtk_tree_model_get(model, &iter,
1367                                            PREFS_FILTERING_NAME, &name,
1368                                            -1);
1369
1370                         prop = matcher_parser_get_filtering(filtering_str);
1371                         if (prop) {
1372                                 prop->name = g_strdup(name);
1373                                 prefs_filtering_select_set(prop);
1374                                 filteringprop_free(prop);
1375                         }
1376                         g_free(name);
1377                         g_free(filtering_str);
1378                 } else
1379                         prefs_filtering_reset_dialog();
1380         }
1381
1382         return TRUE;
1383 }
1384