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 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gtk/gtk.h>
  29 #include <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_tag_func(GNode *node, gpointer data);
 121 static gboolean prefs_filtering_rename_path_func(GNode *node, gpointer data);
 122 static gboolean prefs_filtering_delete_path_func(GNode *node, gpointer data);
 123
 124 static void delete_path(GSList ** p_filters, const gchar * path);
 125
 126
 127 static GtkListStore* prefs_filtering_create_data_store  (void);
 128 static gint prefs_filtering_list_view_insert_rule       (GtkListStore *list_store,
 129                                                          gint row,
 130                                                          gboolean enabled,
 131                                                          const gchar *name,
 132                                                          gint account_id,
 133                                                          const gchar *account_name,
 134                                                          const gchar *rule,
 135                                                          gboolean prop);
 136 static gchar *prefs_filtering_list_view_get_rule        (GtkWidget *list,
 137                                                          gint row);
 138 static void prefs_filtering_list_view_get_rule_info     (GtkWidget *list,
 139                                                          gint row,
 140                                                          gboolean *enabled,
 141                                                          gchar **name,
 142                                                          gint *account_id);
 143
 144 static GtkWidget *prefs_filtering_list_view_create      (void);
 145 static void prefs_filtering_create_list_view_columns    (GtkWidget *list_view);
 146
 147 static gboolean prefs_filtering_selected                (GtkTreeSelection *selector,
 148                                                          GtkTreeModel *model,
 149                                                          GtkTreePath *path,
 150                                                          gboolean currently_selected,
 151                                                          gpointer data);
 152
 153 static void prefs_filtering_account_option_menu_populate(void);
 154
 155 static gulong signal_id = 0; /* filtering.help_btn clicked signal */
 156
 157 void prefs_filtering_open(GSList ** p_processing,
 158                           const gchar *title,
 159                           const gchar *help_url_anchor,
 160                           const gchar *header,
 161                           const gchar *key,
 162                           gboolean per_account_filtering)
 163 {
 164         if (prefs_rc_is_readonly(FILTERING_RC))
 165                 return;
 166
 167         inc_lock();
 168
 169         if (!filtering.window) {
 170                 prefs_filtering_create();
 171         } else {
 172                 gtk_list_store_clear(filtering.account_combobox_list);
 173                 prefs_filtering_account_option_menu_populate();
 174         }
 175
 176         gtk_tree_view_column_set_visible(filtering.account_name_column,
 177                                                                          per_account_filtering);
 178
 179         manage_window_set_transient(GTK_WINDOW(filtering.window));
 180         gtk_widget_grab_focus(filtering.ok_btn);
 181
 182         if (title != NULL)
 183                 gtk_window_set_title(GTK_WINDOW(filtering.window), title);
 184         else
 185                 gtk_window_set_title (GTK_WINDOW(filtering.window),
 186                                       _("Filtering/Processing configuration"));
 187
 188         if (help_url_anchor != NULL) {
 189                 if (signal_id != 0) {
 190                         g_signal_handler_disconnect(
 191                                         G_OBJECT(filtering.help_btn),
 192                                         signal_id);
 193                 }
 194
 195                 signal_id = g_signal_connect(G_OBJECT(filtering.help_btn),
 196                                 "clicked",
 197                                 G_CALLBACK(manual_open_with_anchor_cb),
 198                                 (gchar*)help_url_anchor);
 199         }
 200         else {
 201                 gtk_widget_set_sensitive(filtering.help_btn, FALSE);
 202         }
 203
 204         p_processing_list = p_processing;
 205
 206         prefs_filtering_set_dialog(header, key);
 207         if (per_account_filtering) {
 208                 gtk_widget_show(filtering.account_label);
 209                 gtk_widget_show(filtering.account_combobox);
 210         } else {
 211                 gtk_widget_hide(filtering.account_label);
 212                 gtk_widget_hide(filtering.account_combobox);
 213                 combobox_select_by_data(GTK_COMBO_BOX(filtering.account_combobox), 0);
 214         }
 215
 216         gtk_widget_show(filtering.window);
 217
 218         start_address_completion(NULL);
 219 }
 220
 221 static void prefs_filtering_size_allocate_cb(GtkWidget *widget,
 222                                          GtkAllocation *allocation)
 223 {
 224         g_return_if_fail(allocation != NULL);
 225
 226         prefs_common.filteringwin_width = allocation->width;
 227         prefs_common.filteringwin_height = allocation->height;
 228 }
 229
 230 /* prefs_filtering_close() - just to have one common exit point */
 231 static void prefs_filtering_close(void)
 232 {
 233         end_address_completion();
 234
 235         gtk_widget_hide(filtering.window);
 236         inc_unlock();
 237 }
 238
 239 static void prefs_filtering_account_option_menu_populate(void)
 240 {
 241         GList *accounts = NULL;
 242         GtkTreeIter iter;
 243
 244         accounts = account_get_list();
 245
 246         g_return_if_fail(accounts != NULL);
 247
 248         COMBOBOX_ADD(filtering.account_combobox_list, Q_("Filtering Account Menu|All"), 0);
 249         for (; accounts != NULL; accounts = accounts->next) {
 250                 PrefsAccount *ac = (PrefsAccount *)accounts->data;
 251
 252                 COMBOBOX_ADD_ESCAPED(filtering.account_combobox_list, ac->account_name, ac->account_id);
 253         }
 254 }
 255
 256 static GtkWidget *prefs_filtering_account_option_menu(Filtering *filtering)
 257 {
 258         GtkWidget *optmenu = NULL;
 259         GtkWidget *optmenubox = NULL;
 260         GtkListStore *menu = NULL;
 261
 262         optmenubox = gtk_event_box_new();
 263         optmenu = gtkut_sc_combobox_create(optmenubox, FALSE);
 264         menu = GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(optmenu)));
 265
 266         filtering->account_combobox = optmenu;
 267         filtering->account_combobox_list = menu;
 268
 269         prefs_filtering_account_option_menu_populate();
 270
 271         return optmenubox;
 272 }
 273
 274 static void prefs_filtering_create(void)
 275 {
 276         GtkWidget *window;
 277         GtkWidget *vbox;
 278         GtkWidget *help_btn;
 279         GtkWidget *cancel_btn;
 280         GtkWidget *ok_btn;
 281         GtkWidget *confirm_area;
 282
 283         GtkWidget *vbox1;
 284         GtkWidget *reg_hbox;
 285         GtkWidget *arrow;
 286         GtkWidget *btn_hbox;
 287
 288         GtkWidget *name_label;
 289         GtkWidget *name_entry;
 290         GtkWidget *account_label;
 291         GtkWidget *account_opt_menu;
 292         GtkWidget *cond_label;
 293         GtkWidget *cond_entry;
 294         GtkWidget *cond_btn;
 295         GtkWidget *action_label;
 296         GtkWidget *action_entry;
 297         GtkWidget *action_btn;
 298
 299         GtkWidget *reg_btn;
 300         GtkWidget *subst_btn;
 301         GtkWidget *del_btn;
 302
 303         GtkWidget *cond_hbox;
 304         GtkWidget *cond_scrolledwin;
 305         GtkWidget *cond_list_view;
 306
 307         GtkWidget *btn_vbox;
 308         GtkWidget *spc_vbox;
 309         GtkWidget *top_btn;
 310         GtkWidget *up_btn;
 311         GtkWidget *down_btn;
 312         GtkWidget *bottom_btn;
 313         GtkWidget *table;
 314         static GdkGeometry geometry;
 315
 316         debug_print("Creating filtering configuration window...\n");
 317
 318         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_filtering");
 319         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 320         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 321         gtk_window_set_modal (GTK_WINDOW (window), TRUE);
 322         gtk_window_set_resizable(GTK_WINDOW (window), TRUE);
 323
 324         vbox = gtk_vbox_new (FALSE, 6);
 325         gtk_widget_show (vbox);
 326         gtk_container_add (GTK_CONTAINER (window), vbox);
 327
 328         gtkut_stock_button_set_create_with_help(&confirm_area, &help_btn,
 329                         &cancel_btn, GTK_STOCK_CANCEL,
 330                         &ok_btn, GTK_STOCK_OK,
 331                         NULL, NULL);
 332         gtk_widget_show (confirm_area);
 333         gtk_box_pack_end (GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 334         gtk_widget_grab_default (ok_btn);
 335
 336         gtk_window_set_title (GTK_WINDOW(window),
 337                                     _("Filtering/Processing configuration"));
 338
 339         g_signal_connect(G_OBJECT(window), "delete_event",
 340                          G_CALLBACK(prefs_filtering_deleted), NULL);
 341         g_signal_connect(G_OBJECT(window), "size_allocate",
 342                          G_CALLBACK(prefs_filtering_size_allocate_cb), NULL);
 343         g_signal_connect(G_OBJECT(window), "key_press_event",
 344                          G_CALLBACK(prefs_filtering_key_pressed), NULL);
 345         MANAGE_WINDOW_SIGNALS_CONNECT (window);
 346         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 347                          G_CALLBACK(prefs_filtering_ok), NULL);
 348         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 349                          G_CALLBACK(prefs_filtering_cancel), NULL);
 350
 351         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 352         gtk_widget_show (vbox1);
 353         gtk_box_pack_start (GTK_BOX (vbox), vbox1, FALSE, TRUE, 0);
 354         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 355
 356         table = gtk_table_new(4, 3, FALSE);
 357         gtk_table_set_row_spacings (GTK_TABLE (table), VSPACING_NARROW_2);
 358         gtk_table_set_col_spacings (GTK_TABLE (table), 4);
 359         gtk_widget_show(table);
 360         gtk_box_pack_start (GTK_BOX (vbox1), table, TRUE, TRUE, 0);
 361
 362         name_label = gtk_label_new (_("Name"));
 363         gtk_widget_show (name_label);
 364         gtk_misc_set_alignment (GTK_MISC (name_label), 1, 0.5);
 365         gtk_table_attach (GTK_TABLE (table), name_label, 0, 1, 0, 1,
 366                           (GtkAttachOptions) (GTK_FILL),
 367                           (GtkAttachOptions) (0), 0, 0);
 368
 369         name_entry = gtk_entry_new ();
 370         gtk_widget_show (name_entry);
 371         gtk_table_attach (GTK_TABLE (table), name_entry, 1, 2, 0, 1,
 372                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 373                           (GtkAttachOptions) (0), 0, 0);
 374
 375         account_label = gtk_label_new (_("Account"));
 376         gtk_widget_show (account_label);
 377         gtk_misc_set_alignment (GTK_MISC (account_label), 1, 0.5);
 378         gtk_table_attach (GTK_TABLE (table), account_label, 0, 1, 1, 2,
 379                           (GtkAttachOptions) (GTK_FILL),
 380                           (GtkAttachOptions) (0), 0, 0);
 381
 382         account_opt_menu = prefs_filtering_account_option_menu(&filtering);
 383         gtk_widget_show (account_opt_menu);
 384         gtk_table_attach (GTK_TABLE (table), account_opt_menu, 1, 2, 1, 2,
 385                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 386                           (GtkAttachOptions) (0), 0, 0);
 387         combobox_select_by_data(GTK_COMBO_BOX(filtering.account_combobox), 0);
 388
 389         cond_label = gtk_label_new (_("Condition"));
 390         gtk_widget_show (cond_label);
 391         gtk_misc_set_alignment (GTK_MISC (cond_label), 1, 0.5);
 392         gtk_table_attach (GTK_TABLE (table), cond_label, 0, 1, 2, 3,
 393                           (GtkAttachOptions) (GTK_FILL),
 394                           (GtkAttachOptions) (0), 0, 0);
 395
 396         cond_entry = gtk_entry_new ();
 397         gtk_widget_show (cond_entry);
 398         gtk_table_attach (GTK_TABLE (table), cond_entry, 1, 2, 2, 3,
 399                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 400                           (GtkAttachOptions) (0), 0, 0);
 401
 402         cond_btn = gtk_button_new_with_label (_(" Define... "));
 403         gtk_widget_show (cond_btn);
 404         gtk_table_attach (GTK_TABLE (table), cond_btn, 2, 3, 2, 3,
 405                           (GtkAttachOptions) (GTK_FILL),
 406                           (GtkAttachOptions) (0), 2, 2);
 407         g_signal_connect(G_OBJECT (cond_btn), "clicked",
 408                          G_CALLBACK(prefs_filtering_condition_define),
 409                          NULL);
 410
 411         action_label = gtk_label_new (_("Action"));
 412         gtk_widget_show (action_label);
 413         gtk_misc_set_alignment (GTK_MISC (action_label), 1, 0.5);
 414         gtk_table_attach (GTK_TABLE (table), action_label, 0, 1, 3, 4,
 415                           (GtkAttachOptions) (GTK_FILL),
 416                           (GtkAttachOptions) (0), 0, 0);
 417
 418         action_entry = gtk_entry_new ();
 419         gtk_widget_show (action_entry);
 420         gtk_table_attach (GTK_TABLE (table), action_entry, 1, 2, 3, 4,
 421                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 422                           (GtkAttachOptions) (0), 0, 0);
 423
 424         action_btn = gtk_button_new_with_label (_(" Define... "));
 425         gtk_widget_show (action_btn);
 426         gtk_table_attach (GTK_TABLE (table), action_btn, 2, 3, 3, 4,
 427                           (GtkAttachOptions) (GTK_FILL),
 428                           (GtkAttachOptions) (0), 2, 2);
 429         g_signal_connect(G_OBJECT (action_btn), "clicked",
 430                          G_CALLBACK(prefs_filtering_action_define),
 431                          NULL);
 432
 433         /* register / substitute / delete */
 434         reg_hbox = gtk_hbox_new (FALSE, 4);
 435         gtk_widget_show (reg_hbox);
 436         gtk_box_pack_start (GTK_BOX (vbox1), reg_hbox, FALSE, FALSE, 0);
 437
 438         arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 439         gtk_widget_show (arrow);
 440         gtk_box_pack_start (GTK_BOX (reg_hbox), arrow, FALSE, FALSE, 0);
 441         gtk_widget_set_size_request (arrow, -1, 16);
 442
 443         btn_hbox = gtk_hbox_new (TRUE, 4);
 444         gtk_widget_show (btn_hbox);
 445         gtk_box_pack_start (GTK_BOX (reg_hbox), btn_hbox, FALSE, FALSE, 0);
 446
 447         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 448         gtk_widget_show (reg_btn);
 449         gtk_box_pack_start (GTK_BOX (btn_hbox), reg_btn, FALSE, TRUE, 0);
 450         g_signal_connect(G_OBJECT (reg_btn), "clicked",
 451                          G_CALLBACK(prefs_filtering_register_cb), NULL);
 452
 453         subst_btn = gtkut_get_replace_btn (_("Replace"));
 454         gtk_widget_show (subst_btn);
 455         gtk_box_pack_start (GTK_BOX (btn_hbox), subst_btn, FALSE, TRUE, 0);
 456         g_signal_connect(G_OBJECT (subst_btn), "clicked",
 457                          G_CALLBACK(prefs_filtering_substitute_cb),
 458                          NULL);
 459
 460         del_btn = gtk_button_new_from_stock (GTK_STOCK_DELETE);
 461         gtk_widget_show (del_btn);
 462         gtk_box_pack_start (GTK_BOX (btn_hbox), del_btn, FALSE, TRUE, 0);
 463         g_signal_connect(G_OBJECT (del_btn), "clicked",
 464                         G_CALLBACK(prefs_filtering_delete_cb), NULL);
 465
 466         cond_hbox = gtk_hbox_new (FALSE, 8);
 467         gtk_widget_show (cond_hbox);
 468         gtk_box_pack_start (GTK_BOX (vbox), cond_hbox, TRUE, TRUE, 0);
 469
 470         cond_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 471         gtk_widget_show (cond_scrolledwin);
 472         gtk_widget_set_size_request (cond_scrolledwin, -1, 150);
 473         gtk_box_pack_start (GTK_BOX (cond_hbox), cond_scrolledwin,
 474                             TRUE, TRUE, 0);
 475         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (cond_scrolledwin),
 476                                         GTK_POLICY_AUTOMATIC,
 477                                         GTK_POLICY_AUTOMATIC);
 478
 479         cond_list_view = prefs_filtering_list_view_create();
 480         gtk_widget_show (cond_list_view);
 481         gtk_container_add (GTK_CONTAINER (cond_scrolledwin), cond_list_view);
 482
 483         btn_vbox = gtk_vbox_new (FALSE, 8);
 484         gtk_widget_show (btn_vbox);
 485         gtk_box_pack_start (GTK_BOX (cond_hbox), btn_vbox, FALSE, FALSE, 0);
 486
 487         top_btn = gtk_button_new_from_stock (GTK_STOCK_GOTO_TOP);
 488         gtk_widget_show (top_btn);
 489         gtk_box_pack_start (GTK_BOX (btn_vbox), top_btn, FALSE, FALSE, 0);
 490         g_signal_connect(G_OBJECT (top_btn), "clicked",
 491                          G_CALLBACK(prefs_filtering_top), NULL);
 492
 493         PACK_VSPACER (btn_vbox, spc_vbox, VSPACING_NARROW_2);
 494
 495         up_btn = gtk_button_new_from_stock (GTK_STOCK_GO_UP);
 496         gtk_widget_show (up_btn);
 497         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 498         g_signal_connect(G_OBJECT (up_btn), "clicked",
 499                          G_CALLBACK(prefs_filtering_up), NULL);
 500
 501         down_btn = gtk_button_new_from_stock (GTK_STOCK_GO_DOWN);
 502         gtk_widget_show (down_btn);
 503         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 504         g_signal_connect(G_OBJECT (down_btn), "clicked",
 505                          G_CALLBACK(prefs_filtering_down), NULL);
 506
 507         PACK_VSPACER (btn_vbox, spc_vbox, VSPACING_NARROW_2);
 508
 509         bottom_btn = gtk_button_new_from_stock (GTK_STOCK_GOTO_BOTTOM);
 510         gtk_widget_show (bottom_btn);
 511         gtk_box_pack_start (GTK_BOX (btn_vbox), bottom_btn, FALSE, FALSE, 0);
 512         g_signal_connect(G_OBJECT (bottom_btn), "clicked",
 513                          G_CALLBACK(prefs_filtering_bottom), NULL);
 514
 515         if (!geometry.min_height) {
 516                 geometry.min_width = 500;
 517                 geometry.min_height = 400;
 518         }
 519
 520         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 521                                       GDK_HINT_MIN_SIZE);
 522         gtk_widget_set_size_request(window, prefs_common.filteringwin_width,
 523                                     prefs_common.filteringwin_height);
 524
 525         gtk_widget_show_all(window);
 526
 527         filtering.window    = window;
 528         filtering.help_btn = help_btn;
 529         filtering.ok_btn = ok_btn;
 530
 531         filtering.name_entry     = name_entry;
 532         filtering.cond_entry     = cond_entry;
 533         filtering.action_entry   = action_entry;
 534         filtering.cond_list_view = cond_list_view;
 535         filtering.account_label  = account_label;
 536 }
 537
 538 static void rename_tag(GSList * filters,
 539                         const gchar * old_tag, const gchar * new_tag);
 540
 541 void prefs_filtering_rename_tag(const gchar *old_tag, const gchar *new_tag)
 542 {
 543         GList * cur;
 544         const gchar *tags[2] = {NULL, NULL};
 545         tags[0] = old_tag;
 546         tags[1] = new_tag;
 547         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
 548                 Folder *folder;
 549                 folder = (Folder *) cur->data;
 550                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 551                                 prefs_filtering_rename_tag_func, tags);
 552         }
 553
 554         rename_tag(pre_global_processing, old_tag, new_tag);
 555         rename_tag(post_global_processing, old_tag, new_tag);
 556         rename_tag(filtering_rules, old_tag, new_tag);
 557
 558         prefs_matcher_write_config();
 559 }
 560
 561
 562 static void rename_path(GSList * filters,
 563                         const gchar * old_path, const gchar * new_path);
 564
 565 void prefs_filtering_rename_path(const gchar *old_path, const gchar *new_path)
 566 {
 567         GList * cur;
 568         const gchar *paths[2] = {NULL, NULL};
 569         paths[0] = old_path;
 570         paths[1] = new_path;
 571         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
 572                 Folder *folder;
 573                 folder = (Folder *) cur->data;
 574                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 575                                 prefs_filtering_rename_path_func, paths);
 576         }
 577
 578         rename_path(pre_global_processing, old_path, new_path);
 579         rename_path(post_global_processing, old_path, new_path);
 580         rename_path(filtering_rules, old_path, new_path);
 581
 582         prefs_matcher_write_config();
 583 }
 584
 585 static void rename_path(GSList * filters,
 586                         const gchar * old_path, const gchar * new_path)
 587 {
 588         gchar *base;
 589         gchar *prefix;
 590         gchar *suffix;
 591         gchar *dest_path;
 592         gchar *old_path_with_sep;
 593         gint destlen;
 594         gint prefixlen;
 595         gint oldpathlen;
 596         GSList * action_cur;
 597         GSList * cur;
 598
 599         oldpathlen = strlen(old_path);
 600         old_path_with_sep = g_strconcat(old_path,G_DIR_SEPARATOR_S,NULL);
 601
 602         for (cur = filters; cur != NULL; cur = cur->next) {
 603                 FilteringProp   *filtering = (FilteringProp *)cur->data;
 604
 605                 for(action_cur = filtering->action_list ; action_cur != NULL ;
 606                     action_cur = action_cur->next) {
 607
 608                         FilteringAction *action = action_cur->data;
 609
 610                         if (action->type == MATCHACTION_SET_TAG ||
 611                             action->type == MATCHACTION_UNSET_TAG)
 612                                 continue;
 613                         if (!action->destination)
 614                                 continue;
 615
 616                         destlen = strlen(action->destination);
 617
 618                         if (destlen > oldpathlen) {
 619                                 prefixlen = destlen - oldpathlen;
 620                                 suffix = action->destination + prefixlen;
 621
 622                                 if (!strncmp(old_path, suffix, oldpathlen)) {
 623                                         prefix = g_malloc0(prefixlen + 1);
 624                                         strncpy2(prefix, action->destination, prefixlen);
 625
 626                                         base = suffix + oldpathlen;
 627                                         while (*base == G_DIR_SEPARATOR) base++;
 628                                         if (*base == '\0')
 629                                                 dest_path = g_strconcat(prefix,
 630                                                     G_DIR_SEPARATOR_S,
 631                                                     new_path, NULL);
 632                                         else
 633                                                 dest_path = g_strconcat(prefix,
 634                                                     G_DIR_SEPARATOR_S,
 635                                                     new_path,
 636                                                     G_DIR_SEPARATOR_S,
 637                                                     base, NULL);
 638
 639                                         g_free(prefix);
 640                                         g_free(action->destination);
 641                                         action->destination = dest_path;
 642                                 } else { /* for non-leaf folders */
 643                                         /* compare with trailing slash */
 644                                         if (!strncmp(old_path_with_sep, action->destination, oldpathlen+1)) {
 645
 646                                                 suffix = action->destination + oldpathlen + 1;
 647                                                 dest_path = g_strconcat(new_path,
 648                                                     G_DIR_SEPARATOR_S,
 649                                                     suffix, NULL);
 650                                                 g_free(action->destination);
 651                                                 action->destination = dest_path;
 652                                         }
 653                                 }
 654                         } else {
 655                                 /* folder-moving a leaf */
 656                                 if (!strcmp(old_path, action->destination)) {
 657                                         dest_path = g_strdup(new_path);
 658                                         g_free(action->destination);
 659                                         action->destination = dest_path;
 660                                 }
 661                         }
 662                 }
 663         }
 664 }
 665
 666 static gboolean prefs_filtering_rename_path_func(GNode *node, gpointer data)
 667 {
 668         GSList *filters;
 669         const gchar * old_path;
 670         const gchar * new_path;
 671         const gchar ** paths;
 672         FolderItem *item;
 673
 674         paths = data;
 675         old_path = paths[0];
 676         new_path = paths[1];
 677
 678         g_return_val_if_fail(old_path != NULL, FALSE);
 679         g_return_val_if_fail(new_path != NULL, FALSE);
 680         g_return_val_if_fail(node != NULL, FALSE);
 681
 682         item = node->data;
 683         if (!item || !item->prefs)
 684                 return FALSE;
 685         filters = item->prefs->processing;
 686
 687         rename_path(filters, old_path, new_path);
 688
 689         return FALSE;
 690 }
 691
 692 static void rename_tag(GSList * filters,
 693                         const gchar * old_tag, const gchar * new_tag)
 694 {
 695         GSList * action_cur;
 696         GSList * cur;
 697
 698         for (cur = filters; cur != NULL; cur = cur->next) {
 699                 FilteringProp   *filtering = (FilteringProp *)cur->data;
 700
 701                 for(action_cur = filtering->action_list ; action_cur != NULL ;
 702                     action_cur = action_cur->next) {
 703
 704                         FilteringAction *action = action_cur->data;
 705
 706                         if (action->type != MATCHACTION_SET_TAG &&
 707                             action->type != MATCHACTION_UNSET_TAG)
 708                                 continue;
 709                         if (!action->destination)
 710                                 continue;
 711                         if (!strcmp(action->destination, old_tag)) {
 712                                 g_free(action->destination);
 713                                 action->destination = g_strdup(new_tag);
 714                         }
 715                 }
 716         }
 717 }
 718
 719 static gboolean prefs_filtering_rename_tag_func(GNode *node, gpointer data)
 720 {
 721         GSList *filters;
 722         const gchar * old_tag;
 723         const gchar * new_tag;
 724         const gchar ** tags;
 725         FolderItem *item;
 726
 727         tags = data;
 728         old_tag = tags[0];
 729         new_tag = tags[1];
 730
 731         g_return_val_if_fail(old_tag != NULL, FALSE);
 732         g_return_val_if_fail(new_tag != NULL, FALSE);
 733         g_return_val_if_fail(node != NULL, FALSE);
 734
 735         item = node->data;
 736         if (!item || !item->prefs)
 737                 return FALSE;
 738         filters = item->prefs->processing;
 739
 740         rename_tag(filters, old_tag, new_tag);
 741
 742         return FALSE;
 743 }
 744
 745 void prefs_filtering_delete_path(const gchar *path)
 746 {
 747         GList * cur;
 748         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
 749                 Folder *folder;
 750                 folder = (Folder *) cur->data;
 751                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 752                                 prefs_filtering_delete_path_func, (gchar *)path);
 753         }
 754         delete_path(&pre_global_processing, path);
 755         delete_path(&post_global_processing, path);
 756         delete_path(&filtering_rules, path);
 757
 758         prefs_matcher_write_config();
 759 }
 760
 761 static void delete_path(GSList ** p_filters, const gchar * path)
 762 {
 763         GSList * filters;
 764         GSList * duplist;
 765         gchar *suffix;
 766         gint destlen;
 767         gint prefixlen;
 768         gint pathlen;
 769         GSList * action_cur;
 770         GSList * cur;
 771
 772         filters = *p_filters;
 773         pathlen = strlen(path);
 774         duplist = g_slist_copy(filters);
 775         for (cur = duplist ; cur != NULL; cur = g_slist_next(cur)) {
 776                 FilteringProp *filtering = (FilteringProp *) cur->data;
 777
 778                 for(action_cur = filtering->action_list ; action_cur != NULL ;
 779                     action_cur = action_cur->next) {
 780
 781                         FilteringAction *action;
 782
 783                         action = action_cur->data;
 784
 785                         if (action->type == MATCHACTION_SET_TAG ||
 786                             action->type == MATCHACTION_UNSET_TAG)
 787                                 continue;
 788                         if (!action->destination)
 789                                 continue;
 790
 791                         destlen = strlen(action->destination);
 792
 793                         if (destlen > pathlen) {
 794                                 prefixlen = destlen - pathlen;
 795                                 suffix = action->destination + prefixlen;
 796
 797                                 if (suffix && !strncmp(path, suffix, pathlen)) {
 798                                         filteringprop_free(filtering);
 799                                         filters = g_slist_remove(filters, filtering);
 800                                 }
 801                         } else if (strcmp(action->destination, path) == 0) {
 802                                 filteringprop_free(filtering);
 803                                 filters = g_slist_remove(filters, filtering);
 804                         }
 805                 }
 806         }
 807         g_slist_free(duplist);
 808
 809         * p_filters = filters;
 810 }
 811
 812 static gboolean prefs_filtering_delete_path_func(GNode *node, gpointer data)
 813 {
 814         const gchar *path = data;
 815         FolderItem *item;
 816         GSList ** p_filters;
 817
 818         g_return_val_if_fail(path != NULL, FALSE);
 819         g_return_val_if_fail(node != NULL, FALSE);
 820
 821         item = node->data;
 822         if (!item || !item->prefs)
 823                 return FALSE;
 824         p_filters = &item->prefs->processing;
 825
 826         delete_path(p_filters, path);
 827
 828         return FALSE;
 829 }
 830
 831 static void prefs_filtering_set_dialog(const gchar *header, const gchar *key)
 832 {
 833         GtkTreeView *list_view = GTK_TREE_VIEW(filtering.cond_list_view);
 834         GSList *cur;
 835         GSList * prefs_filtering;
 836         gchar *cond_str;
 837         GtkListStore *list_store;
 838
 839         list_store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 840         gtk_list_store_clear(list_store);
 841
 842         /* add the place holder (New) at row 0 */
 843         prefs_filtering_list_view_insert_rule(list_store, -1,
 844                                               FALSE,
 845                                               _("(New)"),
 846                                                   0,
 847                                               _("(New)"),
 848                                               _("(New)"),
 849                                               FALSE);
 850
 851         prefs_filtering = *p_processing_list;
 852
 853         for(cur = prefs_filtering ; cur != NULL ; cur = g_slist_next(cur)) {
 854                 FilteringProp * prop = (FilteringProp *) cur->data;
 855                 gchar *account_name = NULL;
 856
 857                 if (prop->account_id > 0) {
 858                         PrefsAccount *ac_prefs = account_find_from_id(prop->account_id);
 859
 860                         if (ac_prefs)
 861                                 account_name = ac_prefs->account_name;
 862                 }
 863                 if (account_name == NULL)
 864                         account_name = (gchar *)Q_("Filtering Account Menu|All");
 865
 866                 cond_str = filteringprop_to_string(prop);
 867                 subst_char(cond_str, '\t', ':');
 868
 869                 prefs_filtering_list_view_insert_rule(list_store, -1,
 870                                                       prop->enabled,
 871                                                       prop->name,
 872                                                           prop->account_id,
 873                                                           account_name,
 874                                                       cond_str, TRUE);
 875
 876                 g_free(cond_str);
 877         }
 878
 879         prefs_filtering_reset_dialog();
 880
 881         if (header && key) {
 882                 gchar * quoted_key;
 883                 gchar *match_str;
 884
 885                 quoted_key = matcher_quote_str(key);
 886
 887                 match_str = g_strconcat(header, " ", get_matchparser_tab_str(MATCHTYPE_MATCHCASE),
 888                                         " \"", quoted_key, "\"", NULL);
 889                 g_free(quoted_key);
 890
 891                 gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), match_str);
 892                 g_free(match_str);
 893         }
 894 }
 895
 896 static void prefs_filtering_reset_dialog(void)
 897 {
 898         gtk_entry_set_text(GTK_ENTRY(filtering.name_entry), "");
 899         combobox_select_by_data(GTK_COMBO_BOX(filtering.account_combobox), 0);
 900         gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), "");
 901         gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), "");
 902 }
 903
 904 static void prefs_filtering_set_list(void)
 905 {
 906         gint row = 1;
 907         FilteringProp *prop;
 908         GSList * cur;
 909         gchar * filtering_str;
 910         GSList * prefs_filtering;
 911
 912         prefs_filtering = *p_processing_list;
 913         for (cur = prefs_filtering ; cur != NULL ; cur = g_slist_next(cur))
 914                 filteringprop_free((FilteringProp *) cur->data);
 915         g_slist_free(prefs_filtering);
 916         prefs_filtering = NULL;
 917
 918
 919         while (NULL != (filtering_str = prefs_filtering_list_view_get_rule
 920                                                 (filtering.cond_list_view, row))) {
 921                 /* FIXME: this strcmp() is bogus: "(New)" should never
 922                  * be inserted in the storage */
 923                 if (strcmp(filtering_str, _("(New)")) != 0) {
 924                         gboolean enabled;
 925                         gchar *name;
 926                         gint account_id = 0;
 927
 928                         prefs_filtering_list_view_get_rule_info(
 929                                         filtering.cond_list_view, row,
 930                                         &enabled, &name, &account_id);
 931                         prop = matcher_parser_get_filtering(filtering_str);
 932                         g_free(filtering_str);
 933                         if (prop) {
 934                                 prop->enabled = enabled;
 935                                 prop->name = name;
 936                                 prop->account_id = account_id;
 937                                 prefs_filtering =
 938                                         g_slist_append(prefs_filtering, prop);
 939                         }
 940                 }
 941
 942                 row++;
 943         }
 944
 945         *p_processing_list = prefs_filtering;
 946 }
 947
 948 static gint prefs_filtering_list_view_set_row(gint row, FilteringProp * prop)
 949 {
 950         GtkTreeView *list_view = GTK_TREE_VIEW(filtering.cond_list_view);
 951         gchar *str;
 952         GtkListStore *list_store;
 953         gchar *name = NULL;
 954         gint account_id = 0;
 955         gchar *account_name = (gchar *)Q_("Filtering Account Menu|All");
 956         gboolean enabled = TRUE;
 957
 958         str = filteringprop_to_string(prop);
 959         if (str == NULL)
 960                 return -1;
 961
 962         if (prop) {
 963                 if (prop->name)
 964                         name = prop->name;
 965                 account_id = prop->account_id;
 966                 if (account_id > 0)
 967                         account_name = account_find_from_id(account_id)->account_name;
 968                 enabled = prop->enabled;
 969         }
 970
 971         list_store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 972
 973         row = prefs_filtering_list_view_insert_rule(list_store, row,
 974                                                     enabled,
 975                                                     name,
 976                                                     account_id,
 977                                                         account_name,
 978                                                     str,
 979                                                     prop != NULL);
 980
 981         g_free(str);
 982
 983         return row;
 984 }
 985
 986 static void prefs_filtering_condition_define_done(MatcherList * matchers)
 987 {
 988         gchar * str;
 989
 990         if (matchers == NULL)
 991                 return;
 992
 993         str = matcherlist_to_string(matchers);
 994
 995         if (str != NULL) {
 996                 gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), str);
 997                 g_free(str);
 998         }
 999 }
1000
1001 static void prefs_filtering_condition_define(void)
1002 {
1003         gchar * cond_str;
1004         MatcherList * matchers = NULL;
1005
1006         cond_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.cond_entry), 0, -1);
1007
1008         if (*cond_str != '\0') {
1009                 matchers = matcher_parser_get_cond(cond_str, NULL);
1010                 if (matchers == NULL)
1011                         alertpanel_error(_("Condition string is not valid."));
1012         }
1013
1014         g_free(cond_str);
1015
1016         prefs_matcher_open(matchers, prefs_filtering_condition_define_done);
1017
1018         if (matchers != NULL)
1019                 matcherlist_free(matchers);
1020 }
1021
1022 static void prefs_filtering_action_define_done(GSList * action_list)
1023 {
1024         gchar * str;
1025
1026         if (action_list == NULL)
1027                 return;
1028
1029         str = filteringaction_list_to_string(action_list);
1030
1031         if (str != NULL) {
1032                 gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), str);
1033                 g_free(str);
1034         }
1035 }
1036
1037 static void prefs_filtering_action_define(void)
1038 {
1039         gchar * action_str;
1040         GSList * action_list = NULL;
1041
1042         action_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.action_entry), 0, -1);
1043
1044         if (*action_str != '\0') {
1045                 action_list = matcher_parser_get_action_list(action_str);
1046                 if (action_list == NULL)
1047                         alertpanel_error(_("Action string is not valid."));
1048         }
1049
1050         g_free(action_str);
1051
1052         prefs_filtering_action_open(action_list,
1053             prefs_filtering_action_define_done);
1054
1055         if (action_list != NULL) {
1056                 GSList * cur;
1057                 for(cur = action_list ; cur != NULL ; cur = cur->next) {
1058                         filteringaction_free(cur->data);
1059                 }
1060         }
1061 }
1062
1063
1064 /* register / substitute delete buttons */
1065
1066
1067 static FilteringProp * prefs_filtering_dialog_to_filtering(gboolean alert)
1068 {
1069         MatcherList * cond;
1070         gboolean enabled = TRUE;
1071         gchar * name = NULL;
1072         gint account_id = 0;
1073         gchar * cond_str = NULL;
1074         gchar * action_str = NULL;
1075         FilteringProp * prop = NULL;
1076         GSList * action_list;
1077
1078         name = gtk_editable_get_chars(GTK_EDITABLE(filtering.name_entry), 0, -1);
1079
1080         account_id = combobox_get_active_data(GTK_COMBO_BOX(filtering.account_combobox));
1081
1082         cond_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.cond_entry), 0, -1);
1083         if (*cond_str == '\0') {
1084                 if(alert == TRUE) alertpanel_error(_("Condition string is empty."));
1085                 goto fail;
1086         }
1087
1088         action_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.action_entry), 0, -1);
1089         if (*action_str == '\0') {
1090                 if(alert == TRUE) alertpanel_error(_("Action string is empty."));
1091                 goto fail;
1092         }
1093
1094         cond = matcher_parser_get_cond(cond_str, NULL);
1095
1096         if (cond == NULL) {
1097                 if(alert == TRUE) alertpanel_error(_("Condition string is not valid."));
1098                 goto fail;
1099         }
1100
1101         action_list = matcher_parser_get_action_list(action_str);
1102
1103
1104         if (action_list == NULL) {
1105                 if(alert == TRUE) alertpanel_error(_("Action string is not valid."));
1106                 goto fail;
1107         }
1108
1109         prop = filteringprop_new(enabled, name, account_id, cond, action_list);
1110
1111 fail:
1112         g_free(name);
1113         g_free(cond_str);
1114         g_free(action_str);
1115         return prop;
1116 }
1117
1118 static void prefs_filtering_register_cb(void)
1119 {
1120         FilteringProp * prop;
1121
1122         prop = prefs_filtering_dialog_to_filtering(TRUE);
1123         if (prop == NULL)
1124                 return;
1125         prefs_filtering_list_view_set_row(-1, prop);
1126
1127         filteringprop_free(prop);
1128
1129         prefs_filtering_reset_dialog();
1130 }
1131
1132 static void prefs_filtering_substitute_cb(void)
1133 {
1134         gint selected_row = gtkut_list_view_get_selected_row
1135                 (filtering.cond_list_view);
1136         FilteringProp *prop;
1137         gboolean enabled;
1138         gchar *name;
1139         gint account_id;
1140
1141         if (selected_row <= 0)
1142                 return;
1143
1144         prop = prefs_filtering_dialog_to_filtering(TRUE);
1145
1146         if (prop == NULL)
1147                 return;
1148
1149         /* prop->emabled is always TRUE here, re-use the value from the selected row
1150            as we don't substitute this value from dialog */
1151         prefs_filtering_list_view_get_rule_info(
1152                         filtering.cond_list_view, selected_row,
1153                         &enabled, &name, &account_id);
1154         prop->enabled = enabled;
1155
1156         prefs_filtering_list_view_set_row(selected_row, prop);
1157
1158         filteringprop_free(prop);
1159
1160         prefs_filtering_reset_dialog();
1161 }
1162
1163 static void prefs_filtering_delete_cb(void)
1164 {
1165         GtkTreeView *list_view = GTK_TREE_VIEW(filtering.cond_list_view);
1166         GtkTreeModel *model;
1167         GtkTreeIter iter;
1168         gint row;
1169
1170         row = gtkut_list_view_get_selected_row(filtering.cond_list_view);
1171         if (row <= 0)
1172                 return;
1173
1174         if (alertpanel(_("Delete rule"),
1175                        _("Do you really want to delete this rule?"),
1176                        GTK_STOCK_CANCEL, "+"GTK_STOCK_DELETE, NULL) == G_ALERTDEFAULT)
1177                 return;
1178
1179         model = gtk_tree_view_get_model(list_view);
1180         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1181                 return;
1182
1183         gtk_list_store_remove(GTK_LIST_STORE(model), &iter);
1184
1185         prefs_filtering_reset_dialog();
1186 }
1187
1188 static void prefs_filtering_top(void)
1189 {
1190         gint row;
1191         GtkTreeIter top, sel;
1192         GtkTreeModel *model;
1193
1194         row = gtkut_list_view_get_selected_row(filtering.cond_list_view);
1195         if (row <= 1)
1196                 return;
1197
1198         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
1199
1200         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, 0)
1201         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, row))
1202                 return;
1203
1204         gtk_list_store_move_after(GTK_LIST_STORE(model), &sel, &top);
1205         gtkut_list_view_select_row(filtering.cond_list_view, 1);
1206 }
1207
1208 static void prefs_filtering_up(void)
1209 {
1210         gint row;
1211         GtkTreeIter top, sel;
1212         GtkTreeModel *model;
1213
1214         row = gtkut_list_view_get_selected_row(filtering.cond_list_view);
1215         if (row <= 1)
1216                 return;
1217
1218         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
1219
1220         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, row - 1)
1221         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, row))
1222                 return;
1223
1224         gtk_list_store_swap(GTK_LIST_STORE(model), &top, &sel);
1225         gtkut_list_view_select_row(filtering.cond_list_view, row - 1);
1226 }
1227
1228 static void prefs_filtering_down(void)
1229 {
1230         gint row, n_rows;
1231         GtkTreeIter top, sel;
1232         GtkTreeModel *model;
1233
1234         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
1235         n_rows = gtk_tree_model_iter_n_children(model, NULL);
1236         row = gtkut_list_view_get_selected_row(filtering.cond_list_view);
1237         if (row < 1 || row >= n_rows - 1)
1238                 return;
1239
1240         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, row)
1241         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, row + 1))
1242                 return;
1243
1244         gtk_list_store_swap(GTK_LIST_STORE(model), &top, &sel);
1245         gtkut_list_view_select_row(filtering.cond_list_view, row + 1);
1246 }
1247
1248 static void prefs_filtering_bottom(void)
1249 {
1250         gint row, n_rows;
1251         GtkTreeIter top, sel;
1252         GtkTreeModel *model;
1253
1254         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
1255         n_rows = gtk_tree_model_iter_n_children(model, NULL);
1256         row = gtkut_list_view_get_selected_row(filtering.cond_list_view);
1257         if (row < 1 || row >= n_rows - 1)
1258                 return;
1259
1260         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, row)
1261         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, n_rows - 1))
1262                 return;
1263
1264         gtk_list_store_move_after(GTK_LIST_STORE(model), &top, &sel);
1265         gtkut_list_view_select_row(filtering.cond_list_view, n_rows - 1);
1266 }
1267
1268 static void prefs_filtering_select_set(FilteringProp *prop)
1269 {
1270         gchar *matcher_str;
1271         gchar *action_str;
1272
1273         prefs_filtering_reset_dialog();
1274
1275         matcher_str = matcherlist_to_string(prop->matchers);
1276         if (matcher_str == NULL) {
1277                 return;
1278         }
1279
1280         if (prop->name != NULL)
1281                 gtk_entry_set_text(GTK_ENTRY(filtering.name_entry), prop->name);
1282
1283         combobox_select_by_data(GTK_COMBO_BOX(filtering.account_combobox), prop->account_id);
1284
1285         gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), matcher_str);
1286
1287         action_str = filteringaction_list_to_string(prop->action_list);
1288         if (matcher_str == NULL) {
1289                 return;
1290         }
1291         gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), action_str);
1292
1293         g_free(action_str);
1294         g_free(matcher_str);
1295 }
1296
1297 static gint prefs_filtering_deleted(GtkWidget *widget, GdkEventAny *event,
1298                                  gpointer data)
1299 {
1300         prefs_filtering_cancel();
1301         return TRUE;
1302 }
1303
1304 static gboolean prefs_filtering_key_pressed(GtkWidget *widget, GdkEventKey *event,
1305                                      gpointer data)
1306 {
1307         if (event && event->keyval == GDK_Escape) {
1308                 prefs_filtering_cancel();
1309                 return TRUE;
1310         }
1311         return FALSE;
1312 }
1313
1314 static void prefs_filtering_ok(void)
1315 {
1316         FilteringProp * prop;
1317         gchar * str;
1318         gchar * filtering_str;
1319         gint row = 1;
1320         AlertValue val;
1321
1322         prop = prefs_filtering_dialog_to_filtering(FALSE);
1323         if (prop != NULL) {
1324                 str = filteringprop_to_string(prop);
1325
1326                 while (NULL != (filtering_str = (prefs_filtering_list_view_get_rule
1327                                                         (filtering.cond_list_view,
1328                                                          row)))) {
1329                         if (strcmp(filtering_str, str) == 0)
1330                                 break;
1331                         row++;
1332                         g_free(filtering_str);
1333                 }
1334
1335                 if (!filtering_str) {
1336                         val = alertpanel(_("Entry not saved"),
1337                                  _("The entry was not saved. Close anyway?"),
1338                                  GTK_STOCK_CLOSE, _("+_Continue editing"), NULL);
1339                         if (G_ALERTDEFAULT != val) {
1340                                 g_free(filtering_str);
1341                                 g_free(str); /* fixed two leaks: huzzah! */
1342                                 filteringprop_free(prop);
1343                                 return;
1344                         }
1345                 }
1346
1347                 g_free(filtering_str);
1348                 g_free(str);
1349                 filteringprop_free(prop); /* fixed a leak: huzzah! */
1350         } else {
1351                 gchar *name, *condition, *action;
1352                 name = gtk_editable_get_chars(GTK_EDITABLE(filtering.name_entry), 0, -1);
1353                 condition = gtk_editable_get_chars(GTK_EDITABLE(filtering.cond_entry), 0, -1);
1354                 action = gtk_editable_get_chars(GTK_EDITABLE(filtering.action_entry), 0, -1);
1355                 if (strlen(name) ||
1356                     strlen(condition) ||
1357                     strlen(action)) {
1358                         val = alertpanel(_("Entry not saved"),
1359                                  _("The entry was not saved. Close anyway?"),
1360                                  GTK_STOCK_CLOSE, _("+_Continue editing"), NULL);
1361                         if (G_ALERTDEFAULT != val) {
1362                                 g_free(name);
1363                                 g_free(condition);
1364                                 g_free(action);
1365                                 return;
1366                         }
1367                 }
1368                 g_free(name);
1369                 g_free(condition);
1370                 g_free(action);
1371         }
1372         prefs_filtering_set_list();
1373         prefs_matcher_write_config();
1374         prefs_filtering_close();
1375 }
1376
1377 static void prefs_filtering_cancel(void)
1378 {
1379         prefs_matcher_read_config();
1380         prefs_filtering_close();
1381 }
1382
1383 static GtkListStore* prefs_filtering_create_data_store(void)
1384 {
1385         return gtk_list_store_new(N_PREFS_FILTERING_COLUMNS,
1386                                   G_TYPE_BOOLEAN,
1387                                   G_TYPE_STRING,
1388                                   G_TYPE_INT,
1389                                   G_TYPE_STRING,
1390                                   G_TYPE_STRING,
1391                                   G_TYPE_BOOLEAN,
1392                                  -1);
1393 }
1394
1395 /*!
1396  *\brief        Insert filtering rule into store. Note that we access the
1397  *              tree view / store by index, which is a bit suboptimal, but
1398  *              at least it made GTK 2 porting easier.
1399  *
1400  *\param        list_store Store to operate on
1401  *\param        row -1 to add a new rule to store, else change an existing
1402  *              row
1403  *\param        enabled TRUE if rule is enabled
1404  *\param        name The Name of rule
1405  *\param        account_id The account ID
1406  *\param        account_name The account name or All or (New)
1407  *\param        rule String representation of rule
1408  *\param        prop TRUE if valid filtering rule; if FALSE it's the first
1409  *              entry in the store ("(New)").
1410  *
1411  *\return       int Row of inserted / changed rule.
1412  */
1413 static gint prefs_filtering_list_view_insert_rule(GtkListStore *list_store,
1414                                                   gint row,
1415                                                   gboolean enabled,
1416                                                   const gchar *name,
1417                                                   gint account_id,
1418                                                   const gchar *account_name,
1419                                                   const gchar *rule,
1420                                                   gboolean prop)
1421 {
1422         GtkTreeIter iter;
1423
1424         /* check if valid row at all */
1425         if (row >= 0) {
1426                 if (!gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(list_store),
1427                                                    &iter, NULL, row))
1428                         row = -1;
1429         }
1430
1431         if (row < 0) {
1432                 /* append new */
1433                 gtk_list_store_append(list_store, &iter);
1434                 gtk_list_store_set(list_store, &iter,
1435                                    PREFS_FILTERING_ENABLED, enabled,
1436                                    PREFS_FILTERING_NAME, name,
1437                                    PREFS_FILTERING_ACCOUNT_ID, account_id,
1438                                    PREFS_FILTERING_ACCOUNT_NAME, account_name,
1439                                    PREFS_FILTERING_RULE, rule,
1440                                    PREFS_FILTERING_PROP, prop,
1441                                    -1);
1442                 return gtk_tree_model_iter_n_children(GTK_TREE_MODEL(list_store),
1443                                                       NULL) - 1;
1444         } else {
1445                 /* change existing */
1446                 gtk_list_store_set(list_store, &iter,
1447                                    PREFS_FILTERING_ENABLED, enabled,
1448                                    PREFS_FILTERING_NAME, name,
1449                                    PREFS_FILTERING_ACCOUNT_ID, account_id,
1450                                    PREFS_FILTERING_ACCOUNT_NAME, account_name,
1451                                    PREFS_FILTERING_RULE, rule,
1452                                    -1);
1453                 return row;
1454         }
1455 }
1456
1457 /*!
1458  *\return       gchar * Rule at specified row - should be freed.
1459  */
1460 static gchar *prefs_filtering_list_view_get_rule(GtkWidget *list, gint row)
1461 {
1462         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1463         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1464         GtkTreeIter iter;
1465         gchar *result;
1466
1467         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1468                 return NULL;
1469
1470         gtk_tree_model_get(model, &iter,
1471                            PREFS_FILTERING_RULE, &result,
1472                            -1);
1473
1474         return result;
1475 }
1476
1477 static void prefs_filtering_list_view_get_rule_info(GtkWidget *list, gint row,
1478                                 gboolean *enabled, gchar **name, gint *account_id)
1479 {
1480         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1481         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1482         GtkTreeIter iter;
1483
1484         *enabled = TRUE;
1485         *name = NULL;
1486
1487         if (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
1488                 gtk_tree_model_get(model, &iter,
1489                                    PREFS_FILTERING_ENABLED, enabled,
1490                                    PREFS_FILTERING_NAME, name,
1491                                    PREFS_FILTERING_ACCOUNT_ID, account_id,
1492                                    -1);
1493         }
1494 }
1495
1496 /*!
1497  *\brief        Create list view for filtering
1498  */
1499 static GtkWidget *prefs_filtering_list_view_create(void)
1500 {
1501         GtkTreeView *list_view;
1502         GtkTreeSelection *selector;
1503
1504         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(GTK_TREE_MODEL
1505                 (prefs_filtering_create_data_store())));
1506
1507         gtk_tree_view_set_rules_hint(list_view, prefs_common.use_stripes_everywhere);
1508         gtk_tree_view_set_reorderable(list_view, TRUE);
1509
1510         selector = gtk_tree_view_get_selection(list_view);
1511         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
1512         gtk_tree_selection_set_select_function(selector, prefs_filtering_selected,
1513                                                NULL, NULL);
1514
1515         /* create the columns */
1516         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view));
1517
1518         return GTK_WIDGET(list_view);
1519 }
1520
1521 static void prefs_filtering_enable_toggled(GtkCellRendererToggle *widget,
1522                 gchar *path,
1523                 GtkWidget *list_view)
1524 {
1525         GtkTreeIter iter;
1526         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(list_view));
1527         gboolean enabled = TRUE;
1528
1529         if (!gtk_tree_model_get_iter_from_string(model, &iter, path))
1530                 return;
1531
1532         gtk_tree_model_get(model, &iter,
1533                            PREFS_FILTERING_ENABLED, &enabled,
1534                            -1);
1535
1536         gtk_list_store_set(GTK_LIST_STORE(model), &iter,
1537                            PREFS_FILTERING_ENABLED, !enabled,
1538                            -1);
1539 }
1540
1541 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view)
1542 {
1543         GtkTreeViewColumn *column;
1544         GtkCellRenderer *renderer;
1545
1546         renderer = gtk_cell_renderer_toggle_new();
1547         g_object_set(renderer,
1548                      "radio", FALSE,
1549                      "activatable", TRUE,
1550                      NULL);
1551         column = gtk_tree_view_column_new_with_attributes
1552                 (_("Enable"), /* FIXME : Enable, Enabled, or 'E' ? */
1553                  renderer,
1554                  "active", PREFS_FILTERING_ENABLED,
1555                  NULL);
1556         gtk_tree_view_column_set_alignment (column, 0.5);
1557         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
1558         g_signal_connect(G_OBJECT(renderer), "toggled",
1559                          G_CALLBACK(prefs_filtering_enable_toggled),
1560                          list_view);
1561
1562         renderer = gtk_cell_renderer_text_new();
1563         column = gtk_tree_view_column_new_with_attributes
1564                 (_("Name"),
1565                  renderer,
1566                  "text", PREFS_FILTERING_NAME,
1567                  NULL);
1568         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
1569         gtk_tree_view_column_set_resizable(column, TRUE);
1570
1571         renderer = gtk_cell_renderer_text_new();
1572         column = gtk_tree_view_column_new_with_attributes
1573                 (_("Account"),
1574                  renderer,
1575                  "text", PREFS_FILTERING_ACCOUNT_NAME,
1576                  NULL);
1577         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
1578         gtk_tree_view_column_set_resizable(column, TRUE);
1579
1580         filtering.account_name_column = column;
1581
1582         renderer = gtk_cell_renderer_text_new();
1583         column = gtk_tree_view_column_new_with_attributes
1584                 (_("Rule"),
1585                  renderer,
1586                  "text", PREFS_FILTERING_RULE,
1587                  NULL);
1588         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
1589 }
1590
1591 /*!
1592  *\brief        Triggered when a row is selected
1593  */
1594 static gboolean prefs_filtering_selected(GtkTreeSelection *selector,
1595                                          GtkTreeModel *model,
1596                                          GtkTreePath *path,
1597                                          gboolean currently_selected,
1598                                          gpointer data)
1599 {
1600         if (currently_selected)
1601                 return TRUE;
1602         else {
1603                 gboolean has_prop  = FALSE;
1604                 GtkTreeIter iter;
1605
1606                 gtk_tree_model_get_iter(model, &iter, path);
1607                 gtk_tree_model_get(model, &iter,
1608                                    PREFS_FILTERING_PROP, &has_prop,
1609                                    -1);
1610
1611                 if (has_prop) {
1612                         FilteringProp *prop;
1613                         gchar *filtering_str = NULL;
1614                         gchar *name = NULL;
1615                         gint account_id = 0;
1616
1617                         gtk_tree_model_get(model, &iter,
1618                                            PREFS_FILTERING_RULE, &filtering_str,
1619                                            -1);
1620                         gtk_tree_model_get(model, &iter,
1621                                            PREFS_FILTERING_NAME, &name,
1622                                            -1);
1623                         gtk_tree_model_get(model, &iter,
1624                                            PREFS_FILTERING_ACCOUNT_ID, &account_id,
1625                                            -1);
1626
1627                         prop = matcher_parser_get_filtering(filtering_str);
1628                         if (prop) {
1629                                 prop->name = g_strdup(name);
1630                                 prop->account_id = account_id;
1631                                 prefs_filtering_select_set(prop);
1632                                 filteringprop_free(prop);
1633                         }
1634                         g_free(name);
1635                         g_free(filtering_str);
1636                 } else
1637                         prefs_filtering_reset_dialog();
1638         }
1639
1640         return TRUE;
1641 }
1642