src/prefs_filtering.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 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 "manual.h"
  52 #include "combobox.h"
  53
  54 #include "matcher_parser.h"
  55 #include "matcher.h"
  56 #include "prefs_filtering_action.h"
  57
  58 enum {
  59         PREFS_FILTERING_ENABLED,
  60         PREFS_FILTERING_NAME,
  61         PREFS_FILTERING_ACCOUNT_ID,
  62         PREFS_FILTERING_ACCOUNT_NAME,
  63         PREFS_FILTERING_RULE,
  64         PREFS_FILTERING_PROP,
  65         N_PREFS_FILTERING_COLUMNS
  66 };
  67
  68 struct _Filtering {
  69         GtkWidget *window;
  70
  71         GtkWidget *help_btn;
  72         GtkWidget *ok_btn;
  73         GtkWidget *name_entry;
  74         GtkWidget *account_label;
  75         GtkWidget *account_combobox;
  76         GtkListStore *account_combobox_list;
  77         GtkWidget *cond_entry;
  78         GtkWidget *action_entry;
  79
  80         GtkWidget *cond_list_view;
  81
  82         GtkTreeViewColumn *account_name_column;
  83 };
  84
  85 typedef struct _Filtering Filtering;
  86
  87 static Filtering  filtering;
  88
  89 static GSList ** p_processing_list = NULL;
  90
  91 /* widget creating functions */
  92 static void prefs_filtering_create              (void);
  93
  94 static void prefs_filtering_set_dialog  (const gchar *header,
  95                                          const gchar *key);
  96 static void prefs_filtering_set_list    (void);
  97
  98 /* callback functions */
  99 static void prefs_filtering_register_cb (void);
 100 static void prefs_filtering_substitute_cb       (void);
 101 static void prefs_filtering_delete_cb   (void);
 102 static void prefs_filtering_top         (void);
 103 static void prefs_filtering_up          (void);
 104 static void prefs_filtering_down        (void);
 105 static void prefs_filtering_bottom      (void);
 106 static gint prefs_filtering_deleted     (GtkWidget      *widget,
 107                                          GdkEventAny    *event,
 108                                          gpointer        data);
 109 static gboolean prefs_filtering_key_pressed(GtkWidget   *widget,
 110                                          GdkEventKey    *event,
 111                                          gpointer        data);
 112 static void prefs_filtering_cancel      (void);
 113 static void prefs_filtering_ok          (void);
 114
 115 static void prefs_filtering_condition_define    (void);
 116 static void prefs_filtering_action_define(void);
 117 static gint prefs_filtering_list_view_set_row   (gint row, FilteringProp * prop);
 118
 119 static void prefs_filtering_reset_dialog        (void);
 120 static gboolean prefs_filtering_rename_path_func(GNode *node, gpointer data);
 121 static gboolean prefs_filtering_delete_path_func(GNode *node, gpointer data);
 122
 123 static void delete_path(GSList ** p_filters, const gchar * path);
 124
 125
 126 static GtkListStore* prefs_filtering_create_data_store  (void);
 127 static gint prefs_filtering_list_view_insert_rule       (GtkListStore *list_store,
 128                                                          gint row,
 129                                                          gboolean enabled,
 130                                                          const gchar *name,
 131                                                          gint account_id,
 132                                                          const gchar *account_name,
 133                                                          const gchar *rule,
 134                                                          gboolean prop);
 135 static gchar *prefs_filtering_list_view_get_rule        (GtkWidget *list,
 136                                                          gint row);
 137 static void prefs_filtering_list_view_get_rule_info     (GtkWidget *list,
 138                                                          gint row,
 139                                                          gboolean *enabled,
 140                                                          gchar **name,
 141                                                          gint *account_id);
 142
 143 static GtkWidget *prefs_filtering_list_view_create      (void);
 144 static void prefs_filtering_create_list_view_columns    (GtkWidget *list_view);
 145 static gint prefs_filtering_get_selected_row            (GtkWidget *list_view);
 146 static gboolean prefs_filtering_list_view_select_row    (GtkWidget *list, gint row);
 147
 148 static gboolean prefs_filtering_selected                (GtkTreeSelection *selector,
 149                                                          GtkTreeModel *model,
 150                                                          GtkTreePath *path,
 151                                                          gboolean currently_selected,
 152                                                          gpointer data);
 153
 154 static void prefs_filtering_account_option_menu_populate(void);
 155
 156 static gulong signal_id = 0; /* filtering.help_btn clicked signal */
 157
 158 void prefs_filtering_open(GSList ** p_processing,
 159                           const gchar *title,
 160                           const gchar *help_url_anchor,
 161                           const gchar *header,
 162                           const gchar *key,
 163                           gboolean per_account_filtering)
 164 {
 165         if (prefs_rc_is_readonly(FILTERING_RC))
 166                 return;
 167
 168         inc_lock();
 169
 170         if (!filtering.window) {
 171                 prefs_filtering_create();
 172         } else {
 173                 gtk_list_store_clear(filtering.account_combobox_list);
 174                 prefs_filtering_account_option_menu_populate();
 175         }
 176
 177         gtk_tree_view_column_set_visible(filtering.account_name_column,
 178                                                                          per_account_filtering);
 179
 180         manage_window_set_transient(GTK_WINDOW(filtering.window));
 181         gtk_widget_grab_focus(filtering.ok_btn);
 182
 183         if (title != NULL)
 184                 gtk_window_set_title(GTK_WINDOW(filtering.window), title);
 185         else
 186                 gtk_window_set_title (GTK_WINDOW(filtering.window),
 187                                       _("Filtering/Processing configuration"));
 188
 189         if (help_url_anchor != NULL) {
 190                 if (signal_id != 0) {
 191                         g_signal_handler_disconnect(
 192                                         G_OBJECT(filtering.help_btn),
 193                                         signal_id);
 194                 }
 195
 196                 signal_id = g_signal_connect(G_OBJECT(filtering.help_btn),
 197                                 "clicked",
 198                                 G_CALLBACK(manual_open_with_anchor_cb),
 199                                 (gchar*)help_url_anchor);
 200         }
 201         else {
 202                 gtk_widget_set_sensitive(filtering.help_btn, FALSE);
 203         }
 204
 205         p_processing_list = p_processing;
 206
 207         prefs_filtering_set_dialog(header, key);
 208         if (per_account_filtering) {
 209                 gtk_widget_show(filtering.account_label);
 210                 gtk_widget_show(filtering.account_combobox);
 211         } else {
 212                 gtk_widget_hide(filtering.account_label);
 213                 gtk_widget_hide(filtering.account_combobox);
 214                 combobox_select_by_data(GTK_COMBO_BOX(filtering.account_combobox), 0);
 215         }
 216
 217         gtk_widget_show(filtering.window);
 218
 219         start_address_completion(NULL);
 220 }
 221
 222 static void prefs_filtering_size_allocate_cb(GtkWidget *widget,
 223                                          GtkAllocation *allocation)
 224 {
 225         g_return_if_fail(allocation != NULL);
 226
 227         prefs_common.filteringwin_width = allocation->width;
 228         prefs_common.filteringwin_height = allocation->height;
 229 }
 230
 231 /* prefs_filtering_close() - just to have one common exit point */
 232 static void prefs_filtering_close(void)
 233 {
 234         end_address_completion();
 235
 236         gtk_widget_hide(filtering.window);
 237         inc_unlock();
 238 }
 239
 240 static void prefs_filtering_account_option_menu_populate(void)
 241 {
 242         GList *accounts = NULL;
 243         GtkTreeIter iter;
 244
 245         accounts = account_get_list();
 246
 247         g_return_if_fail(accounts != NULL);
 248
 249         COMBOBOX_ADD(filtering.account_combobox_list, Q_("Filtering Account Menu|All"), 0);
 250         for (; accounts != NULL; accounts = accounts->next) {
 251                 PrefsAccount *ac = (PrefsAccount *)accounts->data;
 252
 253                 COMBOBOX_ADD(filtering.account_combobox_list, ac->account_name, ac->account_id);
 254         }
 255 }
 256
 257 static GtkWidget *prefs_filtering_account_option_menu(Filtering *filtering)
 258 {
 259         GtkWidget *optmenu = NULL;
 260         GtkWidget *optmenubox = NULL;
 261         GtkListStore *menu = NULL;
 262
 263         optmenubox = gtk_event_box_new();
 264         optmenu = gtkut_sc_combobox_create(optmenubox, FALSE);
 265         menu = GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(optmenu)));
 266
 267         filtering->account_combobox = optmenu;
 268         filtering->account_combobox_list = menu;
 269
 270         prefs_filtering_account_option_menu_populate();
 271
 272         return optmenubox;
 273 }
 274
 275 static void prefs_filtering_create(void)
 276 {
 277         GtkWidget *window;
 278         GtkWidget *vbox;
 279         GtkWidget *help_btn;
 280         GtkWidget *cancel_btn;
 281         GtkWidget *ok_btn;
 282         GtkWidget *confirm_area;
 283
 284         GtkWidget *vbox1;
 285         GtkWidget *reg_hbox;
 286         GtkWidget *arrow;
 287         GtkWidget *btn_hbox;
 288
 289         GtkWidget *name_label;
 290         GtkWidget *name_entry;
 291         GtkWidget *account_label;
 292         GtkWidget *account_opt_menu;
 293         GtkWidget *cond_label;
 294         GtkWidget *cond_entry;
 295         GtkWidget *cond_btn;
 296         GtkWidget *action_label;
 297         GtkWidget *action_entry;
 298         GtkWidget *action_btn;
 299
 300         GtkWidget *reg_btn;
 301         GtkWidget *subst_btn;
 302         GtkWidget *del_btn;
 303
 304         GtkWidget *cond_hbox;
 305         GtkWidget *cond_scrolledwin;
 306         GtkWidget *cond_list_view;
 307
 308         GtkWidget *btn_vbox;
 309         GtkWidget *spc_vbox;
 310         GtkWidget *top_btn;
 311         GtkWidget *up_btn;
 312         GtkWidget *down_btn;
 313         GtkWidget *bottom_btn;
 314         GtkWidget *table;
 315         static GdkGeometry geometry;
 316
 317         debug_print("Creating filtering configuration window...\n");
 318
 319         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_filtering");
 320         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 321         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 322         gtk_window_set_modal (GTK_WINDOW (window), TRUE);
 323         gtk_window_set_resizable(GTK_WINDOW (window), TRUE);
 324
 325         vbox = gtk_vbox_new (FALSE, 6);
 326         gtk_widget_show (vbox);
 327         gtk_container_add (GTK_CONTAINER (window), vbox);
 328
 329         gtkut_stock_button_set_create_with_help(&confirm_area, &help_btn,
 330                         &cancel_btn, GTK_STOCK_CANCEL,
 331                         &ok_btn, GTK_STOCK_OK,
 332                         NULL, NULL);
 333         gtk_widget_show (confirm_area);
 334         gtk_box_pack_end (GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 335         gtk_widget_grab_default (ok_btn);
 336
 337         gtk_window_set_title (GTK_WINDOW(window),
 338                                     _("Filtering/Processing configuration"));
 339
 340         g_signal_connect(G_OBJECT(window), "delete_event",
 341                          G_CALLBACK(prefs_filtering_deleted), NULL);
 342         g_signal_connect(G_OBJECT(window), "size_allocate",
 343                          G_CALLBACK(prefs_filtering_size_allocate_cb), NULL);
 344         g_signal_connect(G_OBJECT(window), "key_press_event",
 345                          G_CALLBACK(prefs_filtering_key_pressed), NULL);
 346         MANAGE_WINDOW_SIGNALS_CONNECT (window);
 347         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 348                          G_CALLBACK(prefs_filtering_ok), NULL);
 349         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 350                          G_CALLBACK(prefs_filtering_cancel), NULL);
 351
 352         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 353         gtk_widget_show (vbox1);
 354         gtk_box_pack_start (GTK_BOX (vbox), vbox1, FALSE, TRUE, 0);
 355         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 356
 357         table = gtk_table_new(4, 3, FALSE);
 358         gtk_table_set_row_spacings (GTK_TABLE (table), VSPACING_NARROW_2);
 359         gtk_table_set_col_spacings (GTK_TABLE (table), 4);
 360         gtk_widget_show(table);
 361         gtk_box_pack_start (GTK_BOX (vbox1), table, TRUE, TRUE, 0);
 362
 363         name_label = gtk_label_new (_("Name"));
 364         gtk_widget_show (name_label);
 365         gtk_misc_set_alignment (GTK_MISC (name_label), 1, 0.5);
 366         gtk_table_attach (GTK_TABLE (table), name_label, 0, 1, 0, 1,
 367                           (GtkAttachOptions) (GTK_FILL),
 368                           (GtkAttachOptions) (0), 0, 0);
 369
 370         name_entry = gtk_entry_new ();
 371         gtk_widget_show (name_entry);
 372         gtk_table_attach (GTK_TABLE (table), name_entry, 1, 2, 0, 1,
 373                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 374                           (GtkAttachOptions) (0), 0, 0);
 375
 376         account_label = gtk_label_new (_("Account"));
 377         gtk_widget_show (account_label);
 378         gtk_misc_set_alignment (GTK_MISC (account_label), 1, 0.5);
 379         gtk_table_attach (GTK_TABLE (table), account_label, 0, 1, 1, 2,
 380                           (GtkAttachOptions) (GTK_FILL),
 381                           (GtkAttachOptions) (0), 0, 0);
 382
 383         account_opt_menu = prefs_filtering_account_option_menu(&filtering);
 384         gtk_widget_show (account_opt_menu);
 385         gtk_table_attach (GTK_TABLE (table), account_opt_menu, 1, 2, 1, 2,
 386                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 387                           (GtkAttachOptions) (0), 0, 0);
 388         combobox_select_by_data(GTK_COMBO_BOX(filtering.account_combobox), 0);
 389
 390         cond_label = gtk_label_new (_("Condition"));
 391         gtk_widget_show (cond_label);
 392         gtk_misc_set_alignment (GTK_MISC (cond_label), 1, 0.5);
 393         gtk_table_attach (GTK_TABLE (table), cond_label, 0, 1, 2, 3,
 394                           (GtkAttachOptions) (GTK_FILL),
 395                           (GtkAttachOptions) (0), 0, 0);
 396
 397         cond_entry = gtk_entry_new ();
 398         gtk_widget_show (cond_entry);
 399         gtk_table_attach (GTK_TABLE (table), cond_entry, 1, 2, 2, 3,
 400                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 401                           (GtkAttachOptions) (0), 0, 0);
 402
 403         cond_btn = gtk_button_new_with_label (_(" Define... "));
 404         gtk_widget_show (cond_btn);
 405         gtk_table_attach (GTK_TABLE (table), cond_btn, 2, 3, 2, 3,
 406                           (GtkAttachOptions) (GTK_FILL),
 407                           (GtkAttachOptions) (0), 2, 2);
 408         g_signal_connect(G_OBJECT (cond_btn), "clicked",
 409                          G_CALLBACK(prefs_filtering_condition_define),
 410                          NULL);
 411
 412         action_label = gtk_label_new (_("Action"));
 413         gtk_widget_show (action_label);
 414         gtk_misc_set_alignment (GTK_MISC (action_label), 1, 0.5);
 415         gtk_table_attach (GTK_TABLE (table), action_label, 0, 1, 3, 4,
 416                           (GtkAttachOptions) (GTK_FILL),
 417                           (GtkAttachOptions) (0), 0, 0);
 418
 419         action_entry = gtk_entry_new ();
 420         gtk_widget_show (action_entry);
 421         gtk_table_attach (GTK_TABLE (table), action_entry, 1, 2, 3, 4,
 422                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 423                           (GtkAttachOptions) (0), 0, 0);
 424
 425         action_btn = gtk_button_new_with_label (_(" Define... "));
 426         gtk_widget_show (action_btn);
 427         gtk_table_attach (GTK_TABLE (table), action_btn, 2, 3, 3, 4,
 428                           (GtkAttachOptions) (GTK_FILL),
 429                           (GtkAttachOptions) (0), 2, 2);
 430         g_signal_connect(G_OBJECT (action_btn), "clicked",
 431                          G_CALLBACK(prefs_filtering_action_define),
 432                          NULL);
 433
 434         /* register / substitute / delete */
 435         reg_hbox = gtk_hbox_new (FALSE, 4);
 436         gtk_widget_show (reg_hbox);
 437         gtk_box_pack_start (GTK_BOX (vbox1), reg_hbox, FALSE, FALSE, 0);
 438
 439         arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 440         gtk_widget_show (arrow);
 441         gtk_box_pack_start (GTK_BOX (reg_hbox), arrow, FALSE, FALSE, 0);
 442         gtk_widget_set_size_request (arrow, -1, 16);
 443
 444         btn_hbox = gtk_hbox_new (TRUE, 4);
 445         gtk_widget_show (btn_hbox);
 446         gtk_box_pack_start (GTK_BOX (reg_hbox), btn_hbox, FALSE, FALSE, 0);
 447
 448         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 449         gtk_widget_show (reg_btn);
 450         gtk_box_pack_start (GTK_BOX (btn_hbox), reg_btn, FALSE, TRUE, 0);
 451         g_signal_connect(G_OBJECT (reg_btn), "clicked",
 452                          G_CALLBACK(prefs_filtering_register_cb), NULL);
 453
 454         subst_btn = gtkut_get_replace_btn (_("Replace"));
 455         gtk_widget_show (subst_btn);
 456         gtk_box_pack_start (GTK_BOX (btn_hbox), subst_btn, FALSE, TRUE, 0);
 457         g_signal_connect(G_OBJECT (subst_btn), "clicked",
 458                          G_CALLBACK(prefs_filtering_substitute_cb),
 459                          NULL);
 460
 461         del_btn = gtk_button_new_from_stock (GTK_STOCK_DELETE);
 462         gtk_widget_show (del_btn);
 463         gtk_box_pack_start (GTK_BOX (btn_hbox), del_btn, FALSE, TRUE, 0);
 464         g_signal_connect(G_OBJECT (del_btn), "clicked",
 465                         G_CALLBACK(prefs_filtering_delete_cb), NULL);
 466
 467         cond_hbox = gtk_hbox_new (FALSE, 8);
 468         gtk_widget_show (cond_hbox);
 469         gtk_box_pack_start (GTK_BOX (vbox), cond_hbox, TRUE, TRUE, 0);
 470
 471         cond_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 472         gtk_widget_show (cond_scrolledwin);
 473         gtk_widget_set_size_request (cond_scrolledwin, -1, 150);
 474         gtk_box_pack_start (GTK_BOX (cond_hbox), cond_scrolledwin,
 475                             TRUE, TRUE, 0);
 476         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (cond_scrolledwin),
 477                                         GTK_POLICY_AUTOMATIC,
 478                                         GTK_POLICY_AUTOMATIC);
 479
 480         cond_list_view = prefs_filtering_list_view_create();
 481         gtk_widget_show (cond_list_view);
 482         gtk_container_add (GTK_CONTAINER (cond_scrolledwin), cond_list_view);
 483
 484         btn_vbox = gtk_vbox_new (FALSE, 8);
 485         gtk_widget_show (btn_vbox);
 486         gtk_box_pack_start (GTK_BOX (cond_hbox), btn_vbox, FALSE, FALSE, 0);
 487
 488         top_btn = gtk_button_new_from_stock (GTK_STOCK_GOTO_TOP);
 489         gtk_widget_show (top_btn);
 490         gtk_box_pack_start (GTK_BOX (btn_vbox), top_btn, FALSE, FALSE, 0);
 491         g_signal_connect(G_OBJECT (top_btn), "clicked",
 492                          G_CALLBACK(prefs_filtering_top), NULL);
 493
 494         PACK_VSPACER (btn_vbox, spc_vbox, VSPACING_NARROW_2);
 495
 496         up_btn = gtk_button_new_from_stock (GTK_STOCK_GO_UP);
 497         gtk_widget_show (up_btn);
 498         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 499         g_signal_connect(G_OBJECT (up_btn), "clicked",
 500                          G_CALLBACK(prefs_filtering_up), NULL);
 501
 502         down_btn = gtk_button_new_from_stock (GTK_STOCK_GO_DOWN);
 503         gtk_widget_show (down_btn);
 504         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 505         g_signal_connect(G_OBJECT (down_btn), "clicked",
 506                          G_CALLBACK(prefs_filtering_down), NULL);
 507
 508         PACK_VSPACER (btn_vbox, spc_vbox, VSPACING_NARROW_2);
 509
 510         bottom_btn = gtk_button_new_from_stock (GTK_STOCK_GOTO_BOTTOM);
 511         gtk_widget_show (bottom_btn);
 512         gtk_box_pack_start (GTK_BOX (btn_vbox), bottom_btn, FALSE, FALSE, 0);
 513         g_signal_connect(G_OBJECT (bottom_btn), "clicked",
 514                          G_CALLBACK(prefs_filtering_bottom), NULL);
 515
 516         if (!geometry.min_height) {
 517                 geometry.min_width = 500;
 518                 geometry.min_height = 400;
 519         }
 520
 521         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 522                                       GDK_HINT_MIN_SIZE);
 523         gtk_widget_set_size_request(window, prefs_common.filteringwin_width,
 524                                     prefs_common.filteringwin_height);
 525
 526         gtk_widget_show_all(window);
 527
 528         filtering.window    = window;
 529         filtering.help_btn = help_btn;
 530         filtering.ok_btn = ok_btn;
 531
 532         filtering.name_entry     = name_entry;
 533         filtering.cond_entry     = cond_entry;
 534         filtering.action_entry   = action_entry;
 535         filtering.cond_list_view = cond_list_view;
 536         filtering.account_label  = account_label;
 537 }
 538
 539 static void rename_path(GSList * filters,
 540                         const gchar * old_path, const gchar * new_path);
 541
 542 void prefs_filtering_rename_path(const gchar *old_path, const gchar *new_path)
 543 {
 544         GList * cur;
 545         const gchar *paths[2] = {NULL, NULL};
 546         paths[0] = old_path;
 547         paths[1] = new_path;
 548         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
 549                 Folder *folder;
 550                 folder = (Folder *) cur->data;
 551                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 552                                 prefs_filtering_rename_path_func, paths);
 553         }
 554
 555         rename_path(pre_global_processing, old_path, new_path);
 556         rename_path(post_global_processing, old_path, new_path);
 557         rename_path(filtering_rules, old_path, new_path);
 558
 559         prefs_matcher_write_config();
 560 }
 561
 562 static void rename_path(GSList * filters,
 563                         const gchar * old_path, const gchar * new_path)
 564 {
 565         gchar *base;
 566         gchar *prefix;
 567         gchar *suffix;
 568         gchar *dest_path;
 569         gchar *old_path_with_sep;
 570         gint destlen;
 571         gint prefixlen;
 572         gint oldpathlen;
 573         GSList * action_cur;
 574         GSList * cur;
 575
 576         oldpathlen = strlen(old_path);
 577         old_path_with_sep = g_strconcat(old_path,G_DIR_SEPARATOR_S,NULL);
 578
 579         for (cur = filters; cur != NULL; cur = cur->next) {
 580                 FilteringProp   *filtering = (FilteringProp *)cur->data;
 581
 582                 for(action_cur = filtering->action_list ; action_cur != NULL ;
 583                     action_cur = action_cur->next) {
 584
 585                         FilteringAction *action = action_cur->data;
 586
 587                         if (!action->destination) continue;
 588
 589                         destlen = strlen(action->destination);
 590
 591                         if (destlen > oldpathlen) {
 592                                 prefixlen = destlen - oldpathlen;
 593                                 suffix = action->destination + prefixlen;
 594
 595                                 if (!strncmp(old_path, suffix, oldpathlen)) {
 596                                         prefix = g_malloc0(prefixlen + 1);
 597                                         strncpy2(prefix, action->destination, prefixlen);
 598
 599                                         base = suffix + oldpathlen;
 600                                         while (*base == G_DIR_SEPARATOR) base++;
 601                                         if (*base == '\0')
 602                                                 dest_path = g_strconcat(prefix,
 603                                                     G_DIR_SEPARATOR_S,
 604                                                     new_path, NULL);
 605                                         else
 606                                                 dest_path = g_strconcat(prefix,
 607                                                     G_DIR_SEPARATOR_S,
 608                                                     new_path,
 609                                                     G_DIR_SEPARATOR_S,
 610                                                     base, NULL);
 611
 612                                         g_free(prefix);
 613                                         g_free(action->destination);
 614                                         action->destination = dest_path;
 615                                 } else { /* for non-leaf folders */
 616                                         /* compare with trailing slash */
 617                                         if (!strncmp(old_path_with_sep, action->destination, oldpathlen+1)) {
 618
 619                                                 suffix = action->destination + oldpathlen + 1;
 620                                                 dest_path = g_strconcat(new_path,
 621                                                     G_DIR_SEPARATOR_S,
 622                                                     suffix, NULL);
 623                                                 g_free(action->destination);
 624                                                 action->destination = dest_path;
 625                                         }
 626                                 }
 627                         } else {
 628                                 /* folder-moving a leaf */
 629                                 if (!strcmp(old_path, action->destination)) {
 630                                         dest_path = g_strdup(new_path);
 631                                         g_free(action->destination);
 632                                         action->destination = dest_path;
 633                                 }
 634                         }
 635                 }
 636         }
 637 }
 638
 639 static gboolean prefs_filtering_rename_path_func(GNode *node, gpointer data)
 640 {
 641         GSList *filters;
 642         const gchar * old_path;
 643         const gchar * new_path;
 644         const gchar ** paths;
 645         FolderItem *item;
 646
 647         paths = data;
 648         old_path = paths[0];
 649         new_path = paths[1];
 650
 651         g_return_val_if_fail(old_path != NULL, FALSE);
 652         g_return_val_if_fail(new_path != NULL, FALSE);
 653         g_return_val_if_fail(node != NULL, FALSE);
 654
 655         item = node->data;
 656         if (!item || !item->prefs)
 657                 return FALSE;
 658         filters = item->prefs->processing;
 659
 660         rename_path(filters, old_path, new_path);
 661
 662         return FALSE;
 663 }
 664
 665 void prefs_filtering_delete_path(const gchar *path)
 666 {
 667         GList * cur;
 668         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
 669                 Folder *folder;
 670                 folder = (Folder *) cur->data;
 671                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 672                                 prefs_filtering_delete_path_func, (gchar *)path);
 673         }
 674         delete_path(&pre_global_processing, path);
 675         delete_path(&post_global_processing, path);
 676         delete_path(&filtering_rules, path);
 677
 678         prefs_matcher_write_config();
 679 }
 680
 681 static void delete_path(GSList ** p_filters, const gchar * path)
 682 {
 683         GSList * filters;
 684         GSList * duplist;
 685         gchar *suffix;
 686         gint destlen;
 687         gint prefixlen;
 688         gint pathlen;
 689         GSList * action_cur;
 690         GSList * cur;
 691
 692         filters = *p_filters;
 693         pathlen = strlen(path);
 694         duplist = g_slist_copy(filters);
 695         for (cur = duplist ; cur != NULL; cur = g_slist_next(cur)) {
 696                 FilteringProp *filtering = (FilteringProp *) cur->data;
 697
 698                 for(action_cur = filtering->action_list ; action_cur != NULL ;
 699                     action_cur = action_cur->next) {
 700
 701                         FilteringAction *action;
 702
 703                         action = action_cur->data;
 704
 705                         if (!action->destination) continue;
 706
 707                         destlen = strlen(action->destination);
 708
 709                         if (destlen > pathlen) {
 710                                 prefixlen = destlen - pathlen;
 711                                 suffix = action->destination + prefixlen;
 712
 713                                 if (suffix && !strncmp(path, suffix, pathlen)) {
 714                                         filteringprop_free(filtering);
 715                                         filters = g_slist_remove(filters, filtering);
 716                                 }
 717                         } else if (strcmp(action->destination, path) == 0) {
 718                                 filteringprop_free(filtering);
 719                                 filters = g_slist_remove(filters, filtering);
 720                         }
 721                 }
 722         }
 723         g_slist_free(duplist);
 724
 725         * p_filters = filters;
 726 }
 727
 728 static gboolean prefs_filtering_delete_path_func(GNode *node, gpointer data)
 729 {
 730         const gchar *path = data;
 731         FolderItem *item;
 732         GSList ** p_filters;
 733
 734         g_return_val_if_fail(path != NULL, FALSE);
 735         g_return_val_if_fail(node != NULL, FALSE);
 736
 737         item = node->data;
 738         if (!item || !item->prefs)
 739                 return FALSE;
 740         p_filters = &item->prefs->processing;
 741
 742         delete_path(p_filters, path);
 743
 744         return FALSE;
 745 }
 746
 747 static void prefs_filtering_set_dialog(const gchar *header, const gchar *key)
 748 {
 749         GtkTreeView *list_view = GTK_TREE_VIEW(filtering.cond_list_view);
 750         GSList *cur;
 751         GSList * prefs_filtering;
 752         gchar *cond_str;
 753         GtkListStore *list_store;
 754
 755         list_store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 756         gtk_list_store_clear(list_store);
 757
 758         /* add the place holder (New) at row 0 */
 759         prefs_filtering_list_view_insert_rule(list_store, -1,
 760                                               FALSE,
 761                                               _("(New)"),
 762                                                   0,
 763                                               _("(New)"),
 764                                               _("(New)"),
 765                                               FALSE);
 766
 767         prefs_filtering = *p_processing_list;
 768
 769         for(cur = prefs_filtering ; cur != NULL ; cur = g_slist_next(cur)) {
 770                 FilteringProp * prop = (FilteringProp *) cur->data;
 771                 gchar *account_name = NULL;
 772
 773                 if (prop->account_id > 0) {
 774                         PrefsAccount *ac_prefs = account_find_from_id(prop->account_id);
 775
 776                         if (ac_prefs)
 777                                 account_name = ac_prefs->account_name;
 778                 }
 779                 if (account_name == NULL)
 780                         account_name = (gchar *)Q_("Filtering Account Menu|All");
 781
 782                 cond_str = filteringprop_to_string(prop);
 783                 subst_char(cond_str, '\t', ':');
 784
 785                 prefs_filtering_list_view_insert_rule(list_store, -1,
 786                                                       prop->enabled,
 787                                                       prop->name,
 788                                                           prop->account_id,
 789                                                           account_name,
 790                                                       cond_str, TRUE);
 791
 792                 g_free(cond_str);
 793         }
 794
 795         prefs_filtering_reset_dialog();
 796
 797         if (header && key) {
 798                 gchar * quoted_key;
 799                 gchar *match_str;
 800
 801                 quoted_key = matcher_quote_str(key);
 802
 803                 match_str = g_strconcat(header, " ", get_matchparser_tab_str(MATCHTYPE_MATCHCASE),
 804                                         " \"", quoted_key, "\"", NULL);
 805                 g_free(quoted_key);
 806
 807                 gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), match_str);
 808                 g_free(match_str);
 809         }
 810 }
 811
 812 static void prefs_filtering_reset_dialog(void)
 813 {
 814         gtk_entry_set_text(GTK_ENTRY(filtering.name_entry), "");
 815         combobox_select_by_data(GTK_COMBO_BOX(filtering.account_combobox), 0);
 816         gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), "");
 817         gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), "");
 818 }
 819
 820 static void prefs_filtering_set_list(void)
 821 {
 822         gint row = 1;
 823         FilteringProp *prop;
 824         GSList * cur;
 825         gchar * filtering_str;
 826         GSList * prefs_filtering;
 827
 828         prefs_filtering = *p_processing_list;
 829         for (cur = prefs_filtering ; cur != NULL ; cur = g_slist_next(cur))
 830                 filteringprop_free((FilteringProp *) cur->data);
 831         g_slist_free(prefs_filtering);
 832         prefs_filtering = NULL;
 833
 834
 835         while (NULL != (filtering_str = prefs_filtering_list_view_get_rule
 836                                                 (filtering.cond_list_view, row))) {
 837                 /* FIXME: this strcmp() is bogus: "(New)" should never
 838                  * be inserted in the storage */
 839                 if (strcmp(filtering_str, _("(New)")) != 0) {
 840                         gboolean enabled;
 841                         gchar *name;
 842                         gint account_id = 0;
 843
 844                         prefs_filtering_list_view_get_rule_info(
 845                                         filtering.cond_list_view, row,
 846                                         &enabled, &name, &account_id);
 847                         prop = matcher_parser_get_filtering(filtering_str);
 848                         g_free(filtering_str);
 849                         if (prop) {
 850                                 prop->enabled = enabled;
 851                                 prop->name = name;
 852                                 prop->account_id = account_id;
 853                                 prefs_filtering =
 854                                         g_slist_append(prefs_filtering, prop);
 855                         }
 856                 }
 857
 858                 row++;
 859         }
 860
 861         *p_processing_list = prefs_filtering;
 862 }
 863
 864 static gint prefs_filtering_list_view_set_row(gint row, FilteringProp * prop)
 865 {
 866         GtkTreeView *list_view = GTK_TREE_VIEW(filtering.cond_list_view);
 867         gchar *str;
 868         GtkListStore *list_store;
 869         gchar *name = NULL;
 870         gint account_id = 0;
 871         gchar *account_name = (gchar *)Q_("Filtering Account Menu|All");
 872         gboolean enabled = TRUE;
 873
 874         str = filteringprop_to_string(prop);
 875         if (str == NULL)
 876                 return -1;
 877
 878         if (prop) {
 879                 if (prop->name)
 880                         name = prop->name;
 881                 account_id = prop->account_id;
 882                 if (account_id > 0)
 883                         account_name = account_find_from_id(account_id)->account_name;
 884                 enabled = prop->enabled;
 885         }
 886
 887         list_store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 888
 889         row = prefs_filtering_list_view_insert_rule(list_store, row,
 890                                                     enabled,
 891                                                     name,
 892                                                     account_id,
 893                                                         account_name,
 894                                                     str,
 895                                                     prop != NULL);
 896
 897         g_free(str);
 898
 899         return row;
 900 }
 901
 902 static void prefs_filtering_condition_define_done(MatcherList * matchers)
 903 {
 904         gchar * str;
 905
 906         if (matchers == NULL)
 907                 return;
 908
 909         str = matcherlist_to_string(matchers);
 910
 911         if (str != NULL) {
 912                 gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), str);
 913                 g_free(str);
 914         }
 915 }
 916
 917 static void prefs_filtering_condition_define(void)
 918 {
 919         gchar * cond_str;
 920         MatcherList * matchers = NULL;
 921
 922         cond_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.cond_entry), 0, -1);
 923
 924         if (*cond_str != '\0') {
 925                 matchers = matcher_parser_get_cond(cond_str, NULL);
 926                 if (matchers == NULL)
 927                         alertpanel_error(_("Condition string is not valid."));
 928         }
 929
 930         g_free(cond_str);
 931
 932         prefs_matcher_open(matchers, prefs_filtering_condition_define_done);
 933
 934         if (matchers != NULL)
 935                 matcherlist_free(matchers);
 936 }
 937
 938 static void prefs_filtering_action_define_done(GSList * action_list)
 939 {
 940         gchar * str;
 941
 942         if (action_list == NULL)
 943                 return;
 944
 945         str = filteringaction_list_to_string(action_list);
 946
 947         if (str != NULL) {
 948                 gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), str);
 949                 g_free(str);
 950         }
 951 }
 952
 953 static void prefs_filtering_action_define(void)
 954 {
 955         gchar * action_str;
 956         GSList * action_list = NULL;
 957
 958         action_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.action_entry), 0, -1);
 959
 960         if (*action_str != '\0') {
 961                 action_list = matcher_parser_get_action_list(action_str);
 962                 if (action_list == NULL)
 963                         alertpanel_error(_("Action string is not valid."));
 964         }
 965
 966         g_free(action_str);
 967
 968         prefs_filtering_action_open(action_list,
 969             prefs_filtering_action_define_done);
 970
 971         if (action_list != NULL) {
 972                 GSList * cur;
 973                 for(cur = action_list ; cur != NULL ; cur = cur->next) {
 974                         filteringaction_free(cur->data);
 975                 }
 976         }
 977 }
 978
 979
 980 /* register / substitute delete buttons */
 981
 982
 983 static FilteringProp * prefs_filtering_dialog_to_filtering(gboolean alert)
 984 {
 985         MatcherList * cond;
 986         gboolean enabled = TRUE;
 987         gchar * name = NULL;
 988         gint account_id = 0;
 989         gchar * cond_str = NULL;
 990         gchar * action_str = NULL;
 991         FilteringProp * prop = NULL;
 992         GSList * action_list;
 993
 994         name = gtk_editable_get_chars(GTK_EDITABLE(filtering.name_entry), 0, -1);
 995
 996         account_id = combobox_get_active_data(GTK_COMBO_BOX(filtering.account_combobox));
 997
 998         cond_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.cond_entry), 0, -1);
 999         if (*cond_str == '\0') {
1000                 if(alert == TRUE) alertpanel_error(_("Condition string is empty."));
1001                 goto fail;
1002         }
1003
1004         action_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.action_entry), 0, -1);
1005         if (*action_str == '\0') {
1006                 if(alert == TRUE) alertpanel_error(_("Action string is empty."));
1007                 goto fail;
1008         }
1009
1010         cond = matcher_parser_get_cond(cond_str, NULL);
1011
1012         if (cond == NULL) {
1013                 if(alert == TRUE) alertpanel_error(_("Condition string is not valid."));
1014                 goto fail;
1015         }
1016
1017         action_list = matcher_parser_get_action_list(action_str);
1018
1019
1020         if (action_list == NULL) {
1021                 if(alert == TRUE) alertpanel_error(_("Action string is not valid."));
1022                 goto fail;
1023         }
1024
1025         prop = filteringprop_new(enabled, name, account_id, cond, action_list);
1026
1027 fail:
1028         g_free(name);
1029         g_free(cond_str);
1030         g_free(action_str);
1031         return prop;
1032 }
1033
1034 static void prefs_filtering_register_cb(void)
1035 {
1036         FilteringProp * prop;
1037
1038         prop = prefs_filtering_dialog_to_filtering(TRUE);
1039         if (prop == NULL)
1040                 return;
1041         prefs_filtering_list_view_set_row(-1, prop);
1042
1043         filteringprop_free(prop);
1044
1045         prefs_filtering_reset_dialog();
1046 }
1047
1048 static void prefs_filtering_substitute_cb(void)
1049 {
1050         gint selected_row = prefs_filtering_get_selected_row
1051                 (filtering.cond_list_view);
1052         FilteringProp *prop;
1053         gboolean enabled;
1054         gchar *name;
1055         gint account_id;
1056
1057         if (selected_row <= 0)
1058                 return;
1059
1060         prop = prefs_filtering_dialog_to_filtering(TRUE);
1061
1062         if (prop == NULL)
1063                 return;
1064
1065         /* prop->emabled is always TRUE here, re-use the value from the selected row
1066            as we don't substitute this value from dialog */
1067         prefs_filtering_list_view_get_rule_info(
1068                         filtering.cond_list_view, selected_row,
1069                         &enabled, &name, &account_id);
1070         prop->enabled = enabled;
1071
1072         prefs_filtering_list_view_set_row(selected_row, prop);
1073
1074         filteringprop_free(prop);
1075
1076         prefs_filtering_reset_dialog();
1077 }
1078
1079 static void prefs_filtering_delete_cb(void)
1080 {
1081         GtkTreeView *list_view = GTK_TREE_VIEW(filtering.cond_list_view);
1082         GtkTreeModel *model;
1083         GtkTreeIter iter;
1084         gint row;
1085
1086         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
1087         if (row <= 0)
1088                 return;
1089
1090         if (alertpanel(_("Delete rule"),
1091                        _("Do you really want to delete this rule?"),
1092                        GTK_STOCK_CANCEL, "+"GTK_STOCK_DELETE, NULL) == G_ALERTDEFAULT)
1093                 return;
1094
1095         model = gtk_tree_view_get_model(list_view);
1096         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1097                 return;
1098
1099         gtk_list_store_remove(GTK_LIST_STORE(model), &iter);
1100
1101         prefs_filtering_reset_dialog();
1102 }
1103
1104 static void prefs_filtering_top(void)
1105 {
1106         gint row;
1107         GtkTreeIter top, sel;
1108         GtkTreeModel *model;
1109
1110         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
1111         if (row <= 1)
1112                 return;
1113
1114         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
1115
1116         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, 0)
1117         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, row))
1118                 return;
1119
1120         gtk_list_store_move_after(GTK_LIST_STORE(model), &sel, &top);
1121         prefs_filtering_list_view_select_row(filtering.cond_list_view, 1);
1122 }
1123
1124 static void prefs_filtering_up(void)
1125 {
1126         gint row;
1127         GtkTreeIter top, sel;
1128         GtkTreeModel *model;
1129
1130         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
1131         if (row <= 1)
1132                 return;
1133
1134         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
1135
1136         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, row - 1)
1137         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, row))
1138                 return;
1139
1140         gtk_list_store_swap(GTK_LIST_STORE(model), &top, &sel);
1141         prefs_filtering_list_view_select_row(filtering.cond_list_view, row - 1);
1142 }
1143
1144 static void prefs_filtering_down(void)
1145 {
1146         gint row, n_rows;
1147         GtkTreeIter top, sel;
1148         GtkTreeModel *model;
1149
1150         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
1151         n_rows = gtk_tree_model_iter_n_children(model, NULL);
1152         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
1153         if (row < 1 || row >= n_rows - 1)
1154                 return;
1155
1156         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, row)
1157         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, row + 1))
1158                 return;
1159
1160         gtk_list_store_swap(GTK_LIST_STORE(model), &top, &sel);
1161         prefs_filtering_list_view_select_row(filtering.cond_list_view, row + 1);
1162 }
1163
1164 static void prefs_filtering_bottom(void)
1165 {
1166         gint row, n_rows;
1167         GtkTreeIter top, sel;
1168         GtkTreeModel *model;
1169
1170         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
1171         n_rows = gtk_tree_model_iter_n_children(model, NULL);
1172         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
1173         if (row < 1 || row >= n_rows - 1)
1174                 return;
1175
1176         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, row)
1177         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, n_rows - 1))
1178                 return;
1179
1180         gtk_list_store_move_after(GTK_LIST_STORE(model), &top, &sel);
1181         prefs_filtering_list_view_select_row(filtering.cond_list_view, n_rows - 1);
1182 }
1183
1184 static void prefs_filtering_select_set(FilteringProp *prop)
1185 {
1186         gchar *matcher_str;
1187         gchar *action_str;
1188
1189         prefs_filtering_reset_dialog();
1190
1191         matcher_str = matcherlist_to_string(prop->matchers);
1192         if (matcher_str == NULL) {
1193                 return;
1194         }
1195
1196         if (prop->name != NULL)
1197                 gtk_entry_set_text(GTK_ENTRY(filtering.name_entry), prop->name);
1198
1199         combobox_select_by_data(GTK_COMBO_BOX(filtering.account_combobox), prop->account_id);
1200
1201         gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), matcher_str);
1202
1203         action_str = filteringaction_list_to_string(prop->action_list);
1204         if (matcher_str == NULL) {
1205                 return;
1206         }
1207         gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), action_str);
1208
1209         g_free(action_str);
1210         g_free(matcher_str);
1211 }
1212
1213 static gint prefs_filtering_deleted(GtkWidget *widget, GdkEventAny *event,
1214                                  gpointer data)
1215 {
1216         prefs_filtering_cancel();
1217         return TRUE;
1218 }
1219
1220 static gboolean prefs_filtering_key_pressed(GtkWidget *widget, GdkEventKey *event,
1221                                      gpointer data)
1222 {
1223         if (event && event->keyval == GDK_Escape) {
1224                 prefs_filtering_cancel();
1225                 return TRUE;
1226         }
1227         return FALSE;
1228 }
1229
1230 static void prefs_filtering_ok(void)
1231 {
1232         FilteringProp * prop;
1233         gchar * str;
1234         gchar * filtering_str;
1235         gint row = 1;
1236         AlertValue val;
1237
1238         prop = prefs_filtering_dialog_to_filtering(FALSE);
1239         if (prop != NULL) {
1240                 str = filteringprop_to_string(prop);
1241
1242                 while (NULL != (filtering_str = (prefs_filtering_list_view_get_rule
1243                                                         (filtering.cond_list_view,
1244                                                          row)))) {
1245                         if (strcmp(filtering_str, str) == 0)
1246                                 break;
1247                         row++;
1248                         g_free(filtering_str);
1249                 }
1250
1251                 if (!filtering_str) {
1252                         val = alertpanel(_("Entry not saved"),
1253                                  _("The entry was not saved. Close anyway?"),
1254                                  GTK_STOCK_CLOSE, _("+_Continue editing"), NULL);
1255                         if (G_ALERTDEFAULT != val) {
1256                                 g_free(filtering_str);
1257                                 g_free(str); /* fixed two leaks: huzzah! */
1258                                 filteringprop_free(prop);
1259                                 return;
1260                         }
1261                 }
1262
1263                 g_free(filtering_str);
1264                 g_free(str);
1265                 filteringprop_free(prop); /* fixed a leak: huzzah! */
1266         } else {
1267                 gchar *name, *condition, *action;
1268                 name = gtk_editable_get_chars(GTK_EDITABLE(filtering.name_entry), 0, -1);
1269                 condition = gtk_editable_get_chars(GTK_EDITABLE(filtering.cond_entry), 0, -1);
1270                 action = gtk_editable_get_chars(GTK_EDITABLE(filtering.action_entry), 0, -1);
1271                 if (strlen(name) ||
1272                     strlen(condition) ||
1273                     strlen(action)) {
1274                         val = alertpanel(_("Entry not saved"),
1275                                  _("The entry was not saved. Close anyway?"),
1276                                  GTK_STOCK_CLOSE, _("+_Continue editing"), NULL);
1277                         if (G_ALERTDEFAULT != val) {
1278                                 g_free(name);
1279                                 g_free(condition);
1280                                 g_free(action);
1281                                 return;
1282                         }
1283                 }
1284                 g_free(name);
1285                 g_free(condition);
1286                 g_free(action);
1287         }
1288         prefs_filtering_set_list();
1289         prefs_matcher_write_config();
1290         prefs_filtering_close();
1291 }
1292
1293 static void prefs_filtering_cancel(void)
1294 {
1295         prefs_matcher_read_config();
1296         prefs_filtering_close();
1297 }
1298
1299 static GtkListStore* prefs_filtering_create_data_store(void)
1300 {
1301         return gtk_list_store_new(N_PREFS_FILTERING_COLUMNS,
1302                                   G_TYPE_BOOLEAN,
1303                                   G_TYPE_STRING,
1304                                   G_TYPE_INT,
1305                                   G_TYPE_STRING,
1306                                   G_TYPE_STRING,
1307                                   G_TYPE_BOOLEAN,
1308                                  -1);
1309 }
1310
1311 /*!
1312  *\brief        Insert filtering rule into store. Note that we access the
1313  *              tree view / store by index, which is a bit suboptimal, but
1314  *              at least it made GTK 2 porting easier.
1315  *
1316  *\param        list_store Store to operate on
1317  *\param        row -1 to add a new rule to store, else change an existing
1318  *              row
1319  *\param        enabled TRUE if rule is enabled
1320  *\param        name The Name of rule
1321  *\param        account_id The account ID
1322  *\param        account_name The account name or All or (New)
1323  *\param        rule String representation of rule
1324  *\param        prop TRUE if valid filtering rule; if FALSE it's the first
1325  *              entry in the store ("(New)").
1326  *
1327  *\return       int Row of inserted / changed rule.
1328  */
1329 static gint prefs_filtering_list_view_insert_rule(GtkListStore *list_store,
1330                                                   gint row,
1331                                                   gboolean enabled,
1332                                                   const gchar *name,
1333                                                   gint account_id,
1334                                                   const gchar *account_name,
1335                                                   const gchar *rule,
1336                                                   gboolean prop)
1337 {
1338         GtkTreeIter iter;
1339
1340         /* check if valid row at all */
1341         if (row >= 0) {
1342                 if (!gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(list_store),
1343                                                    &iter, NULL, row))
1344                         row = -1;
1345         }
1346
1347         if (row < 0) {
1348                 /* append new */
1349                 gtk_list_store_append(list_store, &iter);
1350                 gtk_list_store_set(list_store, &iter,
1351                                    PREFS_FILTERING_ENABLED, enabled,
1352                                    PREFS_FILTERING_NAME, name,
1353                                    PREFS_FILTERING_ACCOUNT_ID, account_id,
1354                                    PREFS_FILTERING_ACCOUNT_NAME, account_name,
1355                                    PREFS_FILTERING_RULE, rule,
1356                                    PREFS_FILTERING_PROP, prop,
1357                                    -1);
1358                 return gtk_tree_model_iter_n_children(GTK_TREE_MODEL(list_store),
1359                                                       NULL) - 1;
1360         } else {
1361                 /* change existing */
1362                 gtk_list_store_set(list_store, &iter,
1363                                    PREFS_FILTERING_ENABLED, enabled,
1364                                    PREFS_FILTERING_NAME, name,
1365                                    PREFS_FILTERING_ACCOUNT_ID, account_id,
1366                                    PREFS_FILTERING_ACCOUNT_NAME, account_name,
1367                                    PREFS_FILTERING_RULE, rule,
1368                                    -1);
1369                 return row;
1370         }
1371 }
1372
1373 /*!
1374  *\return       gchar * Rule at specified row - should be freed.
1375  */
1376 static gchar *prefs_filtering_list_view_get_rule(GtkWidget *list, gint row)
1377 {
1378         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1379         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1380         GtkTreeIter iter;
1381         gchar *result;
1382
1383         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1384                 return NULL;
1385
1386         gtk_tree_model_get(model, &iter,
1387                            PREFS_FILTERING_RULE, &result,
1388                            -1);
1389
1390         return result;
1391 }
1392
1393 static void prefs_filtering_list_view_get_rule_info(GtkWidget *list, gint row,
1394                                 gboolean *enabled, gchar **name, gint *account_id)
1395 {
1396         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1397         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1398         GtkTreeIter iter;
1399
1400         *enabled = TRUE;
1401         *name = NULL;
1402
1403         if (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
1404                 gtk_tree_model_get(model, &iter,
1405                                    PREFS_FILTERING_ENABLED, enabled,
1406                                    PREFS_FILTERING_NAME, name,
1407                                    PREFS_FILTERING_ACCOUNT_ID, account_id,
1408                                    -1);
1409         }
1410 }
1411
1412 /*!
1413  *\brief        Create list view for filtering
1414  */
1415 static GtkWidget *prefs_filtering_list_view_create(void)
1416 {
1417         GtkTreeView *list_view;
1418         GtkTreeSelection *selector;
1419
1420         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(GTK_TREE_MODEL
1421                 (prefs_filtering_create_data_store())));
1422
1423         gtk_tree_view_set_rules_hint(list_view, prefs_common.use_stripes_everywhere);
1424         gtk_tree_view_set_reorderable(list_view, TRUE);
1425
1426         selector = gtk_tree_view_get_selection(list_view);
1427         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
1428         gtk_tree_selection_set_select_function(selector, prefs_filtering_selected,
1429                                                NULL, NULL);
1430
1431         /* create the columns */
1432         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view));
1433
1434         return GTK_WIDGET(list_view);
1435 }
1436
1437 static void prefs_filtering_enable_toggled(GtkCellRendererToggle *widget,
1438                 gchar *path,
1439                 GtkWidget *list_view)
1440 {
1441         GtkTreeIter iter;
1442         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(list_view));
1443         gboolean enabled = TRUE;
1444
1445         if (!gtk_tree_model_get_iter_from_string(model, &iter, path))
1446                 return;
1447
1448         gtk_tree_model_get(model, &iter,
1449                            PREFS_FILTERING_ENABLED, &enabled,
1450                            -1);
1451
1452         gtk_list_store_set(GTK_LIST_STORE(model), &iter,
1453                            PREFS_FILTERING_ENABLED, !enabled,
1454                            -1);
1455 }
1456
1457 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view)
1458 {
1459         GtkTreeViewColumn *column;
1460         GtkCellRenderer *renderer;
1461
1462         renderer = gtk_cell_renderer_toggle_new();
1463         g_object_set(renderer,
1464                      "radio", FALSE,
1465                      "activatable", TRUE,
1466                      NULL);
1467         column = gtk_tree_view_column_new_with_attributes
1468                 (_("Enable"), /* FIXME : Enable, Enabled, or 'E' ? */
1469                  renderer,
1470                  "active", PREFS_FILTERING_ENABLED,
1471                  NULL);
1472         gtk_tree_view_column_set_alignment (column, 0.5);
1473         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
1474         g_signal_connect(G_OBJECT(renderer), "toggled",
1475                          G_CALLBACK(prefs_filtering_enable_toggled),
1476                          list_view);
1477
1478         renderer = gtk_cell_renderer_text_new();
1479         column = gtk_tree_view_column_new_with_attributes
1480                 (_("Name"),
1481                  renderer,
1482                  "text", PREFS_FILTERING_NAME,
1483                  NULL);
1484         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
1485         gtk_tree_view_column_set_resizable(column, TRUE);
1486
1487         renderer = gtk_cell_renderer_text_new();
1488         column = gtk_tree_view_column_new_with_attributes
1489                 (_("Account"),
1490                  renderer,
1491                  "text", PREFS_FILTERING_ACCOUNT_NAME,
1492                  NULL);
1493         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
1494         gtk_tree_view_column_set_resizable(column, TRUE);
1495
1496         filtering.account_name_column = column;
1497
1498         renderer = gtk_cell_renderer_text_new();
1499         column = gtk_tree_view_column_new_with_attributes
1500                 (_("Rule"),
1501                  renderer,
1502                  "text", PREFS_FILTERING_RULE,
1503                  NULL);
1504         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
1505 }
1506
1507 static gboolean gtkut_tree_iter_comp(GtkTreeModel *model,
1508                                      GtkTreeIter *iter1,
1509                                      GtkTreeIter *iter2)
1510 {
1511         GtkTreePath *path1 = gtk_tree_model_get_path(model, iter1);
1512         GtkTreePath *path2 = gtk_tree_model_get_path(model, iter2);
1513         gboolean result;
1514
1515         result = gtk_tree_path_compare(path1, path2) == 0;
1516
1517         gtk_tree_path_free(path1);
1518         gtk_tree_path_free(path2);
1519
1520         return result;
1521 }
1522
1523 /*!
1524  *\brief        Get selected row number.
1525  */
1526 static gint prefs_filtering_get_selected_row(GtkWidget *list_view)
1527 {
1528         GtkTreeView *view = GTK_TREE_VIEW(list_view);
1529         GtkTreeModel *model = gtk_tree_view_get_model(view);
1530         int n_rows = gtk_tree_model_iter_n_children(model, NULL);
1531         GtkTreeSelection *selection;
1532         GtkTreeIter iter;
1533         int row;
1534
1535         if (n_rows == 0)
1536                 return -1;
1537
1538         selection = gtk_tree_view_get_selection(view);
1539         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1540                 return -1;
1541
1542         /* get all iterators and compare them... */
1543         for (row = 0; row < n_rows; row++) {
1544                 GtkTreeIter itern;
1545
1546                 gtk_tree_model_iter_nth_child(model, &itern, NULL, row);
1547                 if (gtkut_tree_iter_comp(model, &iter, &itern))
1548                         return row;
1549         }
1550
1551         return -1;
1552 }
1553
1554 static gboolean prefs_filtering_list_view_select_row(GtkWidget *list, gint row)
1555 {
1556         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1557         GtkTreeSelection *selection = gtk_tree_view_get_selection(list_view);
1558         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1559         GtkTreeIter iter;
1560         GtkTreePath *path;
1561
1562         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1563                 return FALSE;
1564
1565         gtk_tree_selection_select_iter(selection, &iter);
1566
1567         path = gtk_tree_model_get_path(model, &iter);
1568         gtk_tree_view_set_cursor(list_view, path, NULL, FALSE);
1569         gtk_tree_path_free(path);
1570
1571         return TRUE;
1572 }
1573
1574 /*!
1575  *\brief        Triggered when a row is selected
1576  */
1577 static gboolean prefs_filtering_selected(GtkTreeSelection *selector,
1578                                          GtkTreeModel *model,
1579                                          GtkTreePath *path,
1580                                          gboolean currently_selected,
1581                                          gpointer data)
1582 {
1583         if (currently_selected)
1584                 return TRUE;
1585         else {
1586                 gboolean has_prop  = FALSE;
1587                 GtkTreeIter iter;
1588
1589                 gtk_tree_model_get_iter(model, &iter, path);
1590                 gtk_tree_model_get(model, &iter,
1591                                    PREFS_FILTERING_PROP, &has_prop,
1592                                    -1);
1593
1594                 if (has_prop) {
1595                         FilteringProp *prop;
1596                         gchar *filtering_str = NULL;
1597                         gchar *name = NULL;
1598                         gint account_id = 0;
1599
1600                         gtk_tree_model_get(model, &iter,
1601                                            PREFS_FILTERING_RULE, &filtering_str,
1602                                            -1);
1603                         gtk_tree_model_get(model, &iter,
1604                                            PREFS_FILTERING_NAME, &name,
1605                                            -1);
1606                         gtk_tree_model_get(model, &iter,
1607                                            PREFS_FILTERING_ACCOUNT_ID, &account_id,
1608                                            -1);
1609
1610                         prop = matcher_parser_get_filtering(filtering_str);
1611                         if (prop) {
1612                                 prop->name = g_strdup(name);
1613                                 prop->account_id = account_id;
1614                                 prefs_filtering_select_set(prop);
1615                                 filteringprop_free(prop);
1616                         }
1617                         g_free(name);
1618                         g_free(filtering_str);
1619                 } else
1620                         prefs_filtering_reset_dialog();
1621         }
1622
1623         return TRUE;
1624 }
1625