src/prefs_filtering.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gtk/gtk.h>
  29 #include <gtk/gtkoptionmenu.h>
  30 #include <gdk/gdkkeysyms.h>
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34 #include <errno.h>
  35
  36 #include "main.h"
  37 #include "prefs_gtk.h"
  38 #include "prefs_matcher.h"
  39 #include "prefs_filtering.h"
  40 #include "prefs_common.h"
  41 #include "mainwindow.h"
  42 #include "foldersel.h"
  43 #include "manage_window.h"
  44 #include "inc.h"
  45 #include "utils.h"
  46 #include "gtkutils.h"
  47 #include "alertpanel.h"
  48 #include "folder.h"
  49 #include "filtering.h"
  50 #include "addr_compl.h"
  51 #include "colorlabel.h"
  52 #include "manual.h"
  53 #include "combobox.h"
  54
  55 #include "matcher_parser.h"
  56 #include "matcher.h"
  57 #include "prefs_filtering_action.h"
  58
  59 enum {
  60         PREFS_FILTERING_ENABLED,
  61         PREFS_FILTERING_NAME,
  62         PREFS_FILTERING_ACCOUNT,
  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
  83 typedef struct _Filtering Filtering;
  84
  85 static Filtering  filtering;
  86
  87 static GSList ** p_processing_list = NULL;
  88
  89 /* widget creating functions */
  90 static void prefs_filtering_create              (void);
  91
  92 static void prefs_filtering_set_dialog  (const gchar *header,
  93                                          const gchar *key);
  94 static void prefs_filtering_set_list    (void);
  95
  96 /* callback functions */
  97 static void prefs_filtering_register_cb (void);
  98 static void prefs_filtering_substitute_cb       (void);
  99 static void prefs_filtering_delete_cb   (void);
 100 static void prefs_filtering_top         (void);
 101 static void prefs_filtering_up          (void);
 102 static void prefs_filtering_down        (void);
 103 static void prefs_filtering_bottom      (void);
 104 static gint prefs_filtering_deleted     (GtkWidget      *widget,
 105                                          GdkEventAny    *event,
 106                                          gpointer        data);
 107 static gboolean prefs_filtering_key_pressed(GtkWidget   *widget,
 108                                          GdkEventKey    *event,
 109                                          gpointer        data);
 110 static void prefs_filtering_cancel      (void);
 111 static void prefs_filtering_ok          (void);
 112
 113 static void prefs_filtering_condition_define    (void);
 114 static void prefs_filtering_action_define(void);
 115 static gint prefs_filtering_list_view_set_row   (gint row, FilteringProp * prop);
 116
 117 static void prefs_filtering_reset_dialog        (void);
 118 static gboolean prefs_filtering_rename_path_func(GNode *node, gpointer data);
 119 static gboolean prefs_filtering_delete_path_func(GNode *node, gpointer data);
 120
 121 static void delete_path(GSList ** p_filters, const gchar * path);
 122
 123
 124 static GtkListStore* prefs_filtering_create_data_store  (void);
 125 static gint prefs_filtering_list_view_insert_rule       (GtkListStore *list_store,
 126                                                          gint row,
 127                                                          gboolean enabled,
 128                                                          const gchar *name,
 129                                                          gint account_id,
 130                                                          const gchar *rule,
 131                                                          gboolean prop);
 132 static gchar *prefs_filtering_list_view_get_rule        (GtkWidget *list,
 133                                                          gint row);
 134 static void prefs_filtering_list_view_get_rule_name     (GtkWidget *list,
 135                                                          gint row,
 136                                                          gboolean *enabled,
 137                                                          gchar **name,
 138                                                          gint *account_id);
 139
 140 static GtkWidget *prefs_filtering_list_view_create      (void);
 141 static void prefs_filtering_create_list_view_columns    (GtkWidget *list_view);
 142 static gint prefs_filtering_get_selected_row            (GtkWidget *list_view);
 143 static gboolean prefs_filtering_list_view_select_row    (GtkWidget *list, gint row);
 144
 145 static gboolean prefs_filtering_selected                (GtkTreeSelection *selector,
 146                                                          GtkTreeModel *model,
 147                                                          GtkTreePath *path,
 148                                                          gboolean currently_selected,
 149                                                          gpointer data);
 150
 151 static void prefs_filtering_account_option_menu_populate(void);
 152
 153 static gulong signal_id = 0; /* filtering.help_btn clicked signal */
 154
 155 void prefs_filtering_open(GSList ** p_processing,
 156                           const gchar *title,
 157                           const gchar *help_url_anchor,
 158                           const gchar *header,
 159                           const gchar *key,
 160                           gboolean per_account_filtering)
 161 {
 162         if (prefs_rc_is_readonly(FILTERING_RC))
 163                 return;
 164
 165         inc_lock();
 166
 167         if (!filtering.window) {
 168                 prefs_filtering_create();
 169         } else {
 170                 gtk_list_store_clear(filtering.account_combobox_list);
 171                 prefs_filtering_account_option_menu_populate();
 172         }
 173
 174         manage_window_set_transient(GTK_WINDOW(filtering.window));
 175         gtk_widget_grab_focus(filtering.ok_btn);
 176
 177         if (title != NULL)
 178                 gtk_window_set_title(GTK_WINDOW(filtering.window), title);
 179         else
 180                 gtk_window_set_title (GTK_WINDOW(filtering.window),
 181                                       _("Filtering/Processing configuration"));
 182
 183         if (help_url_anchor != NULL) {
 184                 if (signal_id != 0) {
 185                         g_signal_handler_disconnect(
 186                                         G_OBJECT(filtering.help_btn),
 187                                         signal_id);
 188                 }
 189
 190                 signal_id = g_signal_connect(G_OBJECT(filtering.help_btn),
 191                                 "clicked",
 192                                 G_CALLBACK(manual_open_with_anchor_cb),
 193                                 (gchar*)help_url_anchor);
 194         }
 195         else {
 196                 gtk_widget_set_sensitive(filtering.help_btn, FALSE);
 197         }
 198
 199         p_processing_list = p_processing;
 200
 201         prefs_filtering_set_dialog(header, key);
 202         if (per_account_filtering) {
 203                 gtk_widget_show(filtering.account_label);
 204                 gtk_widget_show(filtering.account_combobox);
 205         } else {
 206                 gtk_widget_hide(filtering.account_label);
 207                 gtk_widget_hide(filtering.account_combobox);
 208                 combobox_select_by_data(GTK_COMBO_BOX(filtering.account_combobox), 0);
 209         }
 210
 211         gtk_widget_show(filtering.window);
 212
 213         start_address_completion(NULL);
 214 }
 215
 216 static void prefs_filtering_size_allocate_cb(GtkWidget *widget,
 217                                          GtkAllocation *allocation)
 218 {
 219         g_return_if_fail(allocation != NULL);
 220
 221         prefs_common.filteringwin_width = allocation->width;
 222         prefs_common.filteringwin_height = allocation->height;
 223 }
 224
 225 /* prefs_filtering_close() - just to have one common exit point */
 226 static void prefs_filtering_close(void)
 227 {
 228         end_address_completion();
 229
 230         gtk_widget_hide(filtering.window);
 231         inc_unlock();
 232 }
 233
 234 static void prefs_filtering_account_option_menu_populate(void)
 235 {
 236         GList *accounts = NULL;
 237         GtkTreeIter iter;
 238
 239         accounts = account_get_list();
 240
 241         g_return_val_if_fail(accounts != NULL, NULL);
 242
 243         COMBOBOX_ADD(filtering.account_combobox_list, Q_("Filtering Account Menu|All"), 0);
 244         for (; accounts != NULL; accounts = accounts->next) {
 245                 PrefsAccount *ac = (PrefsAccount *)accounts->data;
 246
 247                 COMBOBOX_ADD(filtering.account_combobox_list, ac->account_name, ac->account_id);
 248         }
 249 }
 250
 251 static GtkWidget *prefs_filtering_account_option_menu(Filtering *filtering)
 252 {
 253         GtkWidget *optmenu = NULL;
 254         GtkWidget *optmenubox = NULL;
 255         GtkListStore *menu = NULL;
 256
 257         optmenubox = gtk_event_box_new();
 258         optmenu = gtkut_sc_combobox_create(optmenubox, FALSE);
 259         menu = GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(optmenu)));
 260
 261         filtering->account_combobox = optmenu;
 262         filtering->account_combobox_list = menu;
 263
 264         prefs_filtering_account_option_menu_populate();
 265
 266         return optmenubox;
 267 }
 268
 269 static void prefs_filtering_create(void)
 270 {
 271         GtkWidget *window;
 272         GtkWidget *vbox;
 273         GtkWidget *help_btn;
 274         GtkWidget *cancel_btn;
 275         GtkWidget *ok_btn;
 276         GtkWidget *confirm_area;
 277
 278         GtkWidget *vbox1;
 279         GtkWidget *reg_hbox;
 280         GtkWidget *arrow;
 281         GtkWidget *btn_hbox;
 282
 283         GtkWidget *name_label;
 284         GtkWidget *name_entry;
 285         GtkWidget *account_label;
 286         GtkWidget *account_opt_menu;
 287         GtkWidget *cond_label;
 288         GtkWidget *cond_entry;
 289         GtkWidget *cond_btn;
 290         GtkWidget *action_label;
 291         GtkWidget *action_entry;
 292         GtkWidget *action_btn;
 293
 294         GtkWidget *reg_btn;
 295         GtkWidget *subst_btn;
 296         GtkWidget *del_btn;
 297
 298         GtkWidget *cond_hbox;
 299         GtkWidget *cond_scrolledwin;
 300         GtkWidget *cond_list_view;
 301
 302         GtkWidget *btn_vbox;
 303         GtkWidget *spc_vbox;
 304         GtkWidget *top_btn;
 305         GtkWidget *up_btn;
 306         GtkWidget *down_btn;
 307         GtkWidget *bottom_btn;
 308         GtkWidget *table;
 309         static GdkGeometry geometry;
 310
 311         debug_print("Creating filtering configuration window...\n");
 312
 313         window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 314         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 315         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 316         gtk_window_set_modal (GTK_WINDOW (window), TRUE);
 317         gtk_window_set_resizable(GTK_WINDOW (window), TRUE);
 318
 319         vbox = gtk_vbox_new (FALSE, 6);
 320         gtk_widget_show (vbox);
 321         gtk_container_add (GTK_CONTAINER (window), vbox);
 322
 323         gtkut_stock_button_set_create_with_help(&confirm_area, &help_btn,
 324                         &cancel_btn, GTK_STOCK_CANCEL,
 325                         &ok_btn, GTK_STOCK_OK,
 326                         NULL, NULL);
 327         gtk_widget_show (confirm_area);
 328         gtk_box_pack_end (GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 329         gtk_widget_grab_default (ok_btn);
 330
 331         gtk_window_set_title (GTK_WINDOW(window),
 332                                     _("Filtering/Processing configuration"));
 333
 334         g_signal_connect(G_OBJECT(window), "delete_event",
 335                          G_CALLBACK(prefs_filtering_deleted), NULL);
 336         g_signal_connect(G_OBJECT(window), "size_allocate",
 337                          G_CALLBACK(prefs_filtering_size_allocate_cb), NULL);
 338         g_signal_connect(G_OBJECT(window), "key_press_event",
 339                          G_CALLBACK(prefs_filtering_key_pressed), NULL);
 340         MANAGE_WINDOW_SIGNALS_CONNECT (window);
 341         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 342                          G_CALLBACK(prefs_filtering_ok), NULL);
 343         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 344                          G_CALLBACK(prefs_filtering_cancel), NULL);
 345
 346         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 347         gtk_widget_show (vbox1);
 348         gtk_box_pack_start (GTK_BOX (vbox), vbox1, FALSE, TRUE, 0);
 349         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 350
 351         table = gtk_table_new(3, 4, FALSE);
 352         gtk_widget_show(table);
 353         gtk_box_pack_start (GTK_BOX (vbox1), table, TRUE, TRUE, 0);
 354
 355
 356         name_label = gtk_label_new (_("Name: "));
 357         gtk_widget_show (name_label);
 358         gtk_misc_set_alignment (GTK_MISC (name_label), 1, 0.5);
 359         gtk_table_attach (GTK_TABLE (table), name_label, 0, 1, 0, 1,
 360                           (GtkAttachOptions) (GTK_FILL),
 361                           (GtkAttachOptions) (0), 0, 0);
 362
 363         name_entry = gtk_entry_new ();
 364         gtk_widget_show (name_entry);
 365         gtk_table_attach (GTK_TABLE (table), name_entry, 1, 2, 0, 1,
 366                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 367                           (GtkAttachOptions) (0), 0, 0);
 368
 369         account_label = gtk_label_new (_("Account:"));
 370         gtk_widget_show (account_label);
 371         gtk_misc_set_alignment (GTK_MISC (account_label), 1, 0.5);
 372         gtk_table_attach (GTK_TABLE (table), account_label, 0, 1, 1, 2,
 373                           (GtkAttachOptions) (GTK_FILL),
 374                           (GtkAttachOptions) (0), 0, 0);
 375
 376         account_opt_menu = prefs_filtering_account_option_menu(&filtering);
 377         gtk_widget_show (account_opt_menu);
 378         gtk_table_attach (GTK_TABLE (table), account_opt_menu, 1, 2, 1, 2,
 379                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 380                           (GtkAttachOptions) (0), 0, 0);
 381         combobox_select_by_data(GTK_COMBO_BOX(filtering.account_combobox), 0);
 382
 383         cond_label = gtk_label_new (_("Condition: "));
 384         gtk_widget_show (cond_label);
 385         gtk_misc_set_alignment (GTK_MISC (cond_label), 1, 0.5);
 386         gtk_table_attach (GTK_TABLE (table), cond_label, 0, 1, 2, 3,
 387                           (GtkAttachOptions) (GTK_FILL),
 388                           (GtkAttachOptions) (0), 0, 0);
 389
 390         cond_entry = gtk_entry_new ();
 391         gtk_widget_show (cond_entry);
 392         gtk_table_attach (GTK_TABLE (table), cond_entry, 1, 2, 2, 3,
 393                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 394                           (GtkAttachOptions) (0), 0, 0);
 395
 396         cond_btn = gtk_button_new_with_label (_(" Define... "));
 397         gtk_widget_show (cond_btn);
 398         gtk_table_attach (GTK_TABLE (table), cond_btn, 2, 3, 2, 3,
 399                           (GtkAttachOptions) (GTK_FILL),
 400                           (GtkAttachOptions) (0), 2, 2);
 401         g_signal_connect(G_OBJECT (cond_btn), "clicked",
 402                          G_CALLBACK(prefs_filtering_condition_define),
 403                          NULL);
 404
 405         action_label = gtk_label_new (_("Action: "));
 406         gtk_widget_show (action_label);
 407         gtk_misc_set_alignment (GTK_MISC (action_label), 1, 0.5);
 408         gtk_table_attach (GTK_TABLE (table), action_label, 0, 1, 3, 4,
 409                           (GtkAttachOptions) (GTK_FILL),
 410                           (GtkAttachOptions) (0), 0, 0);
 411
 412         action_entry = gtk_entry_new ();
 413         gtk_widget_show (action_entry);
 414         gtk_table_attach (GTK_TABLE (table), action_entry, 1, 2, 3, 4,
 415                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 416                           (GtkAttachOptions) (0), 0, 0);
 417
 418         action_btn = gtk_button_new_with_label (_(" Define... "));
 419         gtk_widget_show (action_btn);
 420         gtk_table_attach (GTK_TABLE (table), action_btn, 2, 3, 3, 4,
 421                           (GtkAttachOptions) (GTK_FILL),
 422                           (GtkAttachOptions) (0), 2, 2);
 423         g_signal_connect(G_OBJECT (action_btn), "clicked",
 424                          G_CALLBACK(prefs_filtering_action_define),
 425                          NULL);
 426
 427         /* register / substitute / delete */
 428         reg_hbox = gtk_hbox_new (FALSE, 4);
 429         gtk_widget_show (reg_hbox);
 430         gtk_box_pack_start (GTK_BOX (vbox1), reg_hbox, FALSE, FALSE, 0);
 431
 432         arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 433         gtk_widget_show (arrow);
 434         gtk_box_pack_start (GTK_BOX (reg_hbox), arrow, FALSE, FALSE, 0);
 435         gtk_widget_set_size_request (arrow, -1, 16);
 436
 437         btn_hbox = gtk_hbox_new (TRUE, 4);
 438         gtk_widget_show (btn_hbox);
 439         gtk_box_pack_start (GTK_BOX (reg_hbox), btn_hbox, FALSE, FALSE, 0);
 440
 441         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 442         gtk_widget_show (reg_btn);
 443         gtk_box_pack_start (GTK_BOX (btn_hbox), reg_btn, FALSE, TRUE, 0);
 444         g_signal_connect(G_OBJECT (reg_btn), "clicked",
 445                          G_CALLBACK(prefs_filtering_register_cb), NULL);
 446
 447         subst_btn = gtkut_get_replace_btn (_("Replace"));
 448         gtk_widget_show (subst_btn);
 449         gtk_box_pack_start (GTK_BOX (btn_hbox), subst_btn, FALSE, TRUE, 0);
 450         g_signal_connect(G_OBJECT (subst_btn), "clicked",
 451                          G_CALLBACK(prefs_filtering_substitute_cb),
 452                          NULL);
 453
 454         del_btn = gtk_button_new_from_stock (GTK_STOCK_DELETE);
 455         gtk_widget_show (del_btn);
 456         gtk_box_pack_start (GTK_BOX (btn_hbox), del_btn, FALSE, TRUE, 0);
 457         g_signal_connect(G_OBJECT (del_btn), "clicked",
 458                         G_CALLBACK(prefs_filtering_delete_cb), NULL);
 459
 460         cond_hbox = gtk_hbox_new (FALSE, 8);
 461         gtk_widget_show (cond_hbox);
 462         gtk_box_pack_start (GTK_BOX (vbox), cond_hbox, TRUE, TRUE, 0);
 463
 464         cond_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 465         gtk_widget_show (cond_scrolledwin);
 466         gtk_widget_set_size_request (cond_scrolledwin, -1, 150);
 467         gtk_box_pack_start (GTK_BOX (cond_hbox), cond_scrolledwin,
 468                             TRUE, TRUE, 0);
 469         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (cond_scrolledwin),
 470                                         GTK_POLICY_AUTOMATIC,
 471                                         GTK_POLICY_AUTOMATIC);
 472
 473         cond_list_view = prefs_filtering_list_view_create();
 474         gtk_widget_show (cond_list_view);
 475         gtk_container_add (GTK_CONTAINER (cond_scrolledwin), cond_list_view);
 476
 477         btn_vbox = gtk_vbox_new (FALSE, 8);
 478         gtk_widget_show (btn_vbox);
 479         gtk_box_pack_start (GTK_BOX (cond_hbox), btn_vbox, FALSE, FALSE, 0);
 480
 481         top_btn = gtk_button_new_from_stock (GTK_STOCK_GOTO_TOP);
 482         gtk_widget_show (top_btn);
 483         gtk_box_pack_start (GTK_BOX (btn_vbox), top_btn, FALSE, FALSE, 0);
 484         g_signal_connect(G_OBJECT (top_btn), "clicked",
 485                          G_CALLBACK(prefs_filtering_top), NULL);
 486
 487         PACK_VSPACER (btn_vbox, spc_vbox, VSPACING_NARROW_2);
 488
 489         up_btn = gtk_button_new_from_stock (GTK_STOCK_GO_UP);
 490         gtk_widget_show (up_btn);
 491         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 492         g_signal_connect(G_OBJECT (up_btn), "clicked",
 493                          G_CALLBACK(prefs_filtering_up), NULL);
 494
 495         down_btn = gtk_button_new_from_stock (GTK_STOCK_GO_DOWN);
 496         gtk_widget_show (down_btn);
 497         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 498         g_signal_connect(G_OBJECT (down_btn), "clicked",
 499                          G_CALLBACK(prefs_filtering_down), NULL);
 500
 501         PACK_VSPACER (btn_vbox, spc_vbox, VSPACING_NARROW_2);
 502
 503         bottom_btn = gtk_button_new_from_stock (GTK_STOCK_GOTO_BOTTOM);
 504         gtk_widget_show (bottom_btn);
 505         gtk_box_pack_start (GTK_BOX (btn_vbox), bottom_btn, FALSE, FALSE, 0);
 506         g_signal_connect(G_OBJECT (bottom_btn), "clicked",
 507                          G_CALLBACK(prefs_filtering_bottom), NULL);
 508
 509         if (!geometry.min_height) {
 510                 geometry.min_width = 500;
 511                 geometry.min_height = 400;
 512         }
 513
 514         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 515                                       GDK_HINT_MIN_SIZE);
 516         gtk_widget_set_size_request(window, prefs_common.filteringwin_width,
 517                                     prefs_common.filteringwin_height);
 518
 519         gtk_widget_show_all(window);
 520
 521         filtering.window    = window;
 522         filtering.help_btn = help_btn;
 523         filtering.ok_btn = ok_btn;
 524
 525         filtering.name_entry     = name_entry;
 526         filtering.cond_entry     = cond_entry;
 527         filtering.action_entry   = action_entry;
 528         filtering.cond_list_view = cond_list_view;
 529         filtering.account_label  = account_label;
 530 }
 531
 532 static void rename_path(GSList * filters,
 533                         const gchar * old_path, const gchar * new_path);
 534
 535 void prefs_filtering_rename_path(const gchar *old_path, const gchar *new_path)
 536 {
 537         GList * cur;
 538         const gchar *paths[2] = {NULL, NULL};
 539         paths[0] = old_path;
 540         paths[1] = new_path;
 541         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
 542                 Folder *folder;
 543                 folder = (Folder *) cur->data;
 544                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 545                                 prefs_filtering_rename_path_func, paths);
 546         }
 547
 548         rename_path(pre_global_processing, old_path, new_path);
 549         rename_path(post_global_processing, old_path, new_path);
 550         rename_path(filtering_rules, old_path, new_path);
 551
 552         prefs_matcher_write_config();
 553 }
 554
 555 static void rename_path(GSList * filters,
 556                         const gchar * old_path, const gchar * new_path)
 557 {
 558         gchar *base;
 559         gchar *prefix;
 560         gchar *suffix;
 561         gchar *dest_path;
 562         gchar *old_path_with_sep;
 563         gint destlen;
 564         gint prefixlen;
 565         gint oldpathlen;
 566         GSList * action_cur;
 567         GSList * cur;
 568
 569         oldpathlen = strlen(old_path);
 570         old_path_with_sep = g_strconcat(old_path,G_DIR_SEPARATOR_S,NULL);
 571
 572         for (cur = filters; cur != NULL; cur = cur->next) {
 573                 FilteringProp   *filtering = (FilteringProp *)cur->data;
 574
 575                 for(action_cur = filtering->action_list ; action_cur != NULL ;
 576                     action_cur = action_cur->next) {
 577
 578                         FilteringAction *action = action_cur->data;
 579
 580                         if (!action->destination) continue;
 581
 582                         destlen = strlen(action->destination);
 583
 584                         if (destlen > oldpathlen) {
 585                                 prefixlen = destlen - oldpathlen;
 586                                 suffix = action->destination + prefixlen;
 587
 588                                 if (!strncmp(old_path, suffix, oldpathlen)) {
 589                                         prefix = g_malloc0(prefixlen + 1);
 590                                         strncpy2(prefix, action->destination, prefixlen);
 591
 592                                         base = suffix + oldpathlen;
 593                                         while (*base == G_DIR_SEPARATOR) base++;
 594                                         if (*base == '\0')
 595                                                 dest_path = g_strconcat(prefix,
 596                                                     G_DIR_SEPARATOR_S,
 597                                                     new_path, NULL);
 598                                         else
 599                                                 dest_path = g_strconcat(prefix,
 600                                                     G_DIR_SEPARATOR_S,
 601                                                     new_path,
 602                                                     G_DIR_SEPARATOR_S,
 603                                                     base, NULL);
 604
 605                                         g_free(prefix);
 606                                         g_free(action->destination);
 607                                         action->destination = dest_path;
 608                                 } else { /* for non-leaf folders */
 609                                         /* compare with trailing slash */
 610                                         if (!strncmp(old_path_with_sep, action->destination, oldpathlen+1)) {
 611
 612                                                 suffix = action->destination + oldpathlen + 1;
 613                                                 dest_path = g_strconcat(new_path,
 614                                                     G_DIR_SEPARATOR_S,
 615                                                     suffix, NULL);
 616                                                 g_free(action->destination);
 617                                                 action->destination = dest_path;
 618                                         }
 619                                 }
 620                         } else {
 621                                 /* folder-moving a leaf */
 622                                 if (!strcmp(old_path, action->destination)) {
 623                                         dest_path = g_strdup(new_path);
 624                                         g_free(action->destination);
 625                                         action->destination = dest_path;
 626                                 }
 627                         }
 628                 }
 629         }
 630 }
 631
 632 static gboolean prefs_filtering_rename_path_func(GNode *node, gpointer data)
 633 {
 634         GSList *filters;
 635         const gchar * old_path;
 636         const gchar * new_path;
 637         const gchar ** paths;
 638         FolderItem *item;
 639
 640         paths = data;
 641         old_path = paths[0];
 642         new_path = paths[1];
 643
 644         g_return_val_if_fail(old_path != NULL, FALSE);
 645         g_return_val_if_fail(new_path != NULL, FALSE);
 646         g_return_val_if_fail(node != NULL, FALSE);
 647
 648         item = node->data;
 649         if (!item || !item->prefs)
 650                 return FALSE;
 651         filters = item->prefs->processing;
 652
 653         rename_path(filters, old_path, new_path);
 654
 655         return FALSE;
 656 }
 657
 658 void prefs_filtering_delete_path(const gchar *path)
 659 {
 660         GList * cur;
 661         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
 662                 Folder *folder;
 663                 folder = (Folder *) cur->data;
 664                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 665                                 prefs_filtering_delete_path_func, (gchar *)path);
 666         }
 667         delete_path(&pre_global_processing, path);
 668         delete_path(&post_global_processing, path);
 669         delete_path(&filtering_rules, path);
 670
 671         prefs_matcher_write_config();
 672 }
 673
 674 static void delete_path(GSList ** p_filters, const gchar * path)
 675 {
 676         GSList * filters;
 677         GSList * duplist;
 678         gchar *suffix;
 679         gint destlen;
 680         gint prefixlen;
 681         gint pathlen;
 682         GSList * action_cur;
 683         GSList * cur;
 684
 685         filters = *p_filters;
 686         pathlen = strlen(path);
 687         duplist = g_slist_copy(filters);
 688         for (cur = duplist ; cur != NULL; cur = g_slist_next(cur)) {
 689                 FilteringProp *filtering = (FilteringProp *) cur->data;
 690
 691                 for(action_cur = filtering->action_list ; action_cur != NULL ;
 692                     action_cur = action_cur->next) {
 693
 694                         FilteringAction *action;
 695
 696                         action = action_cur->data;
 697
 698                         if (!action->destination) continue;
 699
 700                         destlen = strlen(action->destination);
 701
 702                         if (destlen > pathlen) {
 703                                 prefixlen = destlen - pathlen;
 704                                 suffix = action->destination + prefixlen;
 705
 706                                 if (suffix && !strncmp(path, suffix, pathlen)) {
 707                                         filteringprop_free(filtering);
 708                                         filters = g_slist_remove(filters, filtering);
 709                                 }
 710                         } else if (strcmp(action->destination, path) == 0) {
 711                                 filteringprop_free(filtering);
 712                                 filters = g_slist_remove(filters, filtering);
 713                         }
 714                 }
 715         }
 716         g_slist_free(duplist);
 717
 718         * p_filters = filters;
 719 }
 720
 721 static gboolean prefs_filtering_delete_path_func(GNode *node, gpointer data)
 722 {
 723         const gchar *path = data;
 724         FolderItem *item;
 725         GSList ** p_filters;
 726
 727         g_return_val_if_fail(path != NULL, FALSE);
 728         g_return_val_if_fail(node != NULL, FALSE);
 729
 730         item = node->data;
 731         if (!item || !item->prefs)
 732                 return FALSE;
 733         p_filters = &item->prefs->processing;
 734
 735         delete_path(p_filters, path);
 736
 737         return FALSE;
 738 }
 739
 740 static void prefs_filtering_set_dialog(const gchar *header, const gchar *key)
 741 {
 742         GtkTreeView *list_view = GTK_TREE_VIEW(filtering.cond_list_view);
 743         GSList *cur;
 744         GSList * prefs_filtering;
 745         gchar *cond_str;
 746         GtkListStore *list_store;
 747
 748         list_store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 749         gtk_list_store_clear(list_store);
 750
 751         /* add the place holder (New) at row 0 */
 752         prefs_filtering_list_view_insert_rule(list_store, -1,
 753                                               FALSE,
 754                                               _("(New)"),
 755                                                   0,
 756                                               _("(New)"),
 757                                               FALSE);
 758
 759         prefs_filtering = *p_processing_list;
 760
 761         for(cur = prefs_filtering ; cur != NULL ; cur = g_slist_next(cur)) {
 762                 FilteringProp * prop = (FilteringProp *) cur->data;
 763
 764                 cond_str = filteringprop_to_string(prop);
 765                 subst_char(cond_str, '\t', ':');
 766
 767                 prefs_filtering_list_view_insert_rule(list_store, -1,
 768                                                       prop->enabled,
 769                                                       prop->name,
 770                                                           prop->account_id,
 771                                                       cond_str, TRUE);
 772
 773                 g_free(cond_str);
 774         }
 775
 776         prefs_filtering_reset_dialog();
 777
 778         if (header && key) {
 779                 gchar * quoted_key;
 780                 gchar *match_str;
 781
 782                 quoted_key = matcher_quote_str(key);
 783
 784                 match_str = g_strconcat(header, " ", get_matchparser_tab_str(MATCHTYPE_MATCHCASE),
 785                                         " \"", quoted_key, "\"", NULL);
 786                 g_free(quoted_key);
 787
 788                 gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), match_str);
 789                 g_free(match_str);
 790         }
 791 }
 792
 793 static void prefs_filtering_reset_dialog(void)
 794 {
 795         gtk_entry_set_text(GTK_ENTRY(filtering.name_entry), "");
 796         combobox_select_by_data(GTK_COMBO_BOX(filtering.account_combobox), 0);
 797         gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), "");
 798         gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), "");
 799 }
 800
 801 static void prefs_filtering_set_list(void)
 802 {
 803         gint row = 1;
 804         FilteringProp *prop;
 805         GSList * cur;
 806         gchar * filtering_str;
 807         GSList * prefs_filtering;
 808
 809         prefs_filtering = *p_processing_list;
 810         for (cur = prefs_filtering ; cur != NULL ; cur = g_slist_next(cur))
 811                 filteringprop_free((FilteringProp *) cur->data);
 812         g_slist_free(prefs_filtering);
 813         prefs_filtering = NULL;
 814
 815
 816         while (NULL != (filtering_str = prefs_filtering_list_view_get_rule
 817                                                 (filtering.cond_list_view, row))) {
 818                 /* FIXME: this strcmp() is bogus: "(New)" should never
 819                  * be inserted in the storage */
 820                 if (strcmp(filtering_str, _("(New)")) != 0) {
 821                         gboolean enabled;
 822                         gchar *name;
 823                         gint account_id = 0;
 824
 825                         prefs_filtering_list_view_get_rule_name(
 826                                         filtering.cond_list_view, row,
 827                                         &enabled, &name, &account_id);
 828                         prop = matcher_parser_get_filtering(filtering_str);
 829                         g_free(filtering_str);
 830                         if (prop) {
 831                                 prop->enabled = enabled;
 832                                 prop->name = name;
 833                                 prop->account_id = account_id;
 834                                 prefs_filtering =
 835                                         g_slist_append(prefs_filtering, prop);
 836                         }
 837                 }
 838
 839                 row++;
 840         }
 841
 842         *p_processing_list = prefs_filtering;
 843 }
 844
 845 static gint prefs_filtering_list_view_set_row(gint row, FilteringProp * prop)
 846 {
 847         GtkTreeView *list_view = GTK_TREE_VIEW(filtering.cond_list_view);
 848         gchar *str;
 849         GtkListStore *list_store;
 850         gchar *name = NULL;
 851         gint account_id = 0;
 852         gboolean enabled = TRUE;
 853
 854         str = filteringprop_to_string(prop);
 855         if (str == NULL)
 856                 return -1;
 857
 858         if (prop) {
 859                 if (prop->name)
 860                         name = prop->name;
 861                 account_id = prop->account_id;
 862                 enabled = prop->enabled;
 863         }
 864
 865         list_store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 866
 867         row = prefs_filtering_list_view_insert_rule(list_store, row,
 868                                                     enabled,
 869                                                     name,
 870                                                     account_id,
 871                                                     str,
 872                                                     prop != NULL);
 873
 874         g_free(str);
 875
 876         return row;
 877 }
 878
 879 static void prefs_filtering_condition_define_done(MatcherList * matchers)
 880 {
 881         gchar * str;
 882
 883         if (matchers == NULL)
 884                 return;
 885
 886         str = matcherlist_to_string(matchers);
 887
 888         if (str != NULL) {
 889                 gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), str);
 890                 g_free(str);
 891         }
 892 }
 893
 894 static void prefs_filtering_condition_define(void)
 895 {
 896         gchar * cond_str;
 897         MatcherList * matchers = NULL;
 898
 899         cond_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.cond_entry), 0, -1);
 900
 901         if (*cond_str != '\0') {
 902                 matchers = matcher_parser_get_cond(cond_str);
 903                 if (matchers == NULL)
 904                         alertpanel_error(_("Condition string is not valid."));
 905         }
 906
 907         g_free(cond_str);
 908
 909         prefs_matcher_open(matchers, prefs_filtering_condition_define_done);
 910
 911         if (matchers != NULL)
 912                 matcherlist_free(matchers);
 913 }
 914
 915 static void prefs_filtering_action_define_done(GSList * action_list)
 916 {
 917         gchar * str;
 918
 919         if (action_list == NULL)
 920                 return;
 921
 922         str = filteringaction_list_to_string(action_list);
 923
 924         if (str != NULL) {
 925                 gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), str);
 926                 g_free(str);
 927         }
 928 }
 929
 930 static void prefs_filtering_action_define(void)
 931 {
 932         gchar * action_str;
 933         GSList * action_list = NULL;
 934
 935         action_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.action_entry), 0, -1);
 936
 937         if (*action_str != '\0') {
 938                 action_list = matcher_parser_get_action_list(action_str);
 939                 if (action_list == NULL)
 940                         alertpanel_error(_("Action string is not valid."));
 941         }
 942
 943         g_free(action_str);
 944
 945         prefs_filtering_action_open(action_list,
 946             prefs_filtering_action_define_done);
 947
 948         if (action_list != NULL) {
 949                 GSList * cur;
 950                 for(cur = action_list ; cur != NULL ; cur = cur->next) {
 951                         filteringaction_free(cur->data);
 952                 }
 953         }
 954 }
 955
 956
 957 /* register / substitute delete buttons */
 958
 959
 960 static FilteringProp * prefs_filtering_dialog_to_filtering(gboolean alert)
 961 {
 962         MatcherList * cond;
 963         gboolean enabled = TRUE;
 964         gchar * name = NULL;
 965         gint account_id = 0;
 966         gchar * cond_str = NULL;
 967         gchar * action_str = NULL;
 968         FilteringProp * prop = NULL;
 969         GSList * action_list;
 970
 971         name = gtk_editable_get_chars(GTK_EDITABLE(filtering.name_entry), 0, -1);
 972
 973         account_id = combobox_get_active_data(GTK_COMBO_BOX(filtering.account_combobox));
 974
 975         cond_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.cond_entry), 0, -1);
 976         if (*cond_str == '\0') {
 977                 if(alert == TRUE) alertpanel_error(_("Condition string is empty."));
 978                 goto fail;
 979         }
 980
 981         action_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.action_entry), 0, -1);
 982         if (*action_str == '\0') {
 983                 if(alert == TRUE) alertpanel_error(_("Action string is empty."));
 984                 goto fail;
 985         }
 986
 987         cond = matcher_parser_get_cond(cond_str);
 988
 989         if (cond == NULL) {
 990                 if(alert == TRUE) alertpanel_error(_("Condition string is not valid."));
 991                 goto fail;
 992         }
 993
 994         action_list = matcher_parser_get_action_list(action_str);
 995
 996
 997         if (action_list == NULL) {
 998                 if(alert == TRUE) alertpanel_error(_("Action string is not valid."));
 999                 goto fail;
1000         }
1001
1002         prop = filteringprop_new(enabled, name, account_id, cond, action_list);
1003
1004 fail:
1005         g_free(name);
1006         g_free(cond_str);
1007         g_free(action_str);
1008         return prop;
1009 }
1010
1011 static void prefs_filtering_register_cb(void)
1012 {
1013         FilteringProp * prop;
1014
1015         prop = prefs_filtering_dialog_to_filtering(TRUE);
1016         if (prop == NULL)
1017                 return;
1018         prefs_filtering_list_view_set_row(-1, prop);
1019
1020         filteringprop_free(prop);
1021
1022         prefs_filtering_reset_dialog();
1023 }
1024
1025 static void prefs_filtering_substitute_cb(void)
1026 {
1027         gint selected_row = prefs_filtering_get_selected_row
1028                 (filtering.cond_list_view);
1029         FilteringProp *prop;
1030
1031         if (selected_row <= 0)
1032                 return;
1033
1034         prop = prefs_filtering_dialog_to_filtering(TRUE);
1035         if (prop == NULL)
1036                 return;
1037         prefs_filtering_list_view_set_row(selected_row, prop);
1038
1039         filteringprop_free(prop);
1040
1041         prefs_filtering_reset_dialog();
1042 }
1043
1044 static void prefs_filtering_delete_cb(void)
1045 {
1046         GtkTreeView *list_view = GTK_TREE_VIEW(filtering.cond_list_view);
1047         GtkTreeModel *model;
1048         GtkTreeIter iter;
1049         gint row;
1050
1051         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
1052         if (row <= 0)
1053                 return;
1054
1055         if (alertpanel(_("Delete rule"),
1056                        _("Do you really want to delete this rule?"),
1057                        GTK_STOCK_CANCEL, "+"GTK_STOCK_DELETE, NULL) == G_ALERTDEFAULT)
1058                 return;
1059
1060         model = gtk_tree_view_get_model(list_view);
1061         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1062                 return;
1063
1064         gtk_list_store_remove(GTK_LIST_STORE(model), &iter);
1065
1066         prefs_filtering_reset_dialog();
1067 }
1068
1069 static void prefs_filtering_top(void)
1070 {
1071         gint row;
1072         GtkTreeIter top, sel;
1073         GtkTreeModel *model;
1074
1075         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
1076         if (row <= 1)
1077                 return;
1078
1079         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
1080
1081         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, 0)
1082         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, row))
1083                 return;
1084
1085         gtk_list_store_move_after(GTK_LIST_STORE(model), &sel, &top);
1086         prefs_filtering_list_view_select_row(filtering.cond_list_view, 1);
1087 }
1088
1089 static void prefs_filtering_up(void)
1090 {
1091         gint row;
1092         GtkTreeIter top, sel;
1093         GtkTreeModel *model;
1094
1095         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
1096         if (row <= 1)
1097                 return;
1098
1099         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
1100
1101         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, row - 1)
1102         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, row))
1103                 return;
1104
1105         gtk_list_store_swap(GTK_LIST_STORE(model), &top, &sel);
1106         prefs_filtering_list_view_select_row(filtering.cond_list_view, row - 1);
1107 }
1108
1109 static void prefs_filtering_down(void)
1110 {
1111         gint row, n_rows;
1112         GtkTreeIter top, sel;
1113         GtkTreeModel *model;
1114
1115         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
1116         n_rows = gtk_tree_model_iter_n_children(model, NULL);
1117         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
1118         if (row < 1 || row >= n_rows - 1)
1119                 return;
1120
1121         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, row)
1122         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, row + 1))
1123                 return;
1124
1125         gtk_list_store_swap(GTK_LIST_STORE(model), &top, &sel);
1126         prefs_filtering_list_view_select_row(filtering.cond_list_view, row + 1);
1127 }
1128
1129 static void prefs_filtering_bottom(void)
1130 {
1131         gint row, n_rows;
1132         GtkTreeIter top, sel;
1133         GtkTreeModel *model;
1134
1135         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
1136         n_rows = gtk_tree_model_iter_n_children(model, NULL);
1137         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
1138         if (row < 1 || row >= n_rows - 1)
1139                 return;
1140
1141         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, row)
1142         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, n_rows - 1))
1143                 return;
1144
1145         gtk_list_store_move_after(GTK_LIST_STORE(model), &top, &sel);
1146         prefs_filtering_list_view_select_row(filtering.cond_list_view, n_rows - 1);
1147 }
1148
1149 static void prefs_filtering_select_set(FilteringProp *prop)
1150 {
1151         gchar *matcher_str;
1152         gchar *action_str;
1153
1154         prefs_filtering_reset_dialog();
1155
1156         matcher_str = matcherlist_to_string(prop->matchers);
1157         if (matcher_str == NULL) {
1158                 return;
1159         }
1160
1161         if (prop->name != NULL)
1162                 gtk_entry_set_text(GTK_ENTRY(filtering.name_entry), prop->name);
1163
1164         combobox_select_by_data(GTK_COMBO_BOX(filtering.account_combobox), prop->account_id);
1165
1166         gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), matcher_str);
1167
1168         action_str = filteringaction_list_to_string(prop->action_list);
1169         if (matcher_str == NULL) {
1170                 return;
1171         }
1172         gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), action_str);
1173
1174         g_free(action_str);
1175         g_free(matcher_str);
1176 }
1177
1178 static gint prefs_filtering_deleted(GtkWidget *widget, GdkEventAny *event,
1179                                  gpointer data)
1180 {
1181         prefs_filtering_cancel();
1182         return TRUE;
1183 }
1184
1185 static gboolean prefs_filtering_key_pressed(GtkWidget *widget, GdkEventKey *event,
1186                                      gpointer data)
1187 {
1188         if (event && event->keyval == GDK_Escape) {
1189                 prefs_filtering_cancel();
1190                 return TRUE;
1191         }
1192         return FALSE;
1193 }
1194
1195 static void prefs_filtering_ok(void)
1196 {
1197         FilteringProp * prop;
1198         gchar * str;
1199         gchar * filtering_str;
1200         gint row = 1;
1201         AlertValue val;
1202
1203         prop = prefs_filtering_dialog_to_filtering(FALSE);
1204         if (prop != NULL) {
1205                 str = filteringprop_to_string(prop);
1206
1207                 while (NULL != (filtering_str = (prefs_filtering_list_view_get_rule
1208                                                         (filtering.cond_list_view,
1209                                                          row)))) {
1210                         if (strcmp(filtering_str, str) == 0)
1211                                 break;
1212                         row++;
1213                         g_free(filtering_str);
1214                 }
1215
1216                 if (!filtering_str) {
1217                         val = alertpanel(_("Entry not saved"),
1218                                  _("The entry was not saved. Close anyway?"),
1219                                  GTK_STOCK_CLOSE, _("+_Continue editing"), NULL);
1220                         if (G_ALERTDEFAULT != val) {
1221                                 g_free(filtering_str);
1222                                 g_free(str); /* fixed two leaks: huzzah! */
1223                                 filteringprop_free(prop);
1224                                 return;
1225                         }
1226                 }
1227
1228                 g_free(filtering_str);
1229                 g_free(str);
1230                 filteringprop_free(prop); /* fixed a leak: huzzah! */
1231         } else {
1232                 gchar *name, *condition, *action;
1233                 name = gtk_editable_get_chars(GTK_EDITABLE(filtering.name_entry), 0, -1);
1234                 condition = gtk_editable_get_chars(GTK_EDITABLE(filtering.cond_entry), 0, -1);
1235                 action = gtk_editable_get_chars(GTK_EDITABLE(filtering.action_entry), 0, -1);
1236                 if (strlen(name) ||
1237                     strlen(condition) ||
1238                     strlen(action)) {
1239                         val = alertpanel(_("Entry not saved"),
1240                                  _("The entry was not saved. Close anyway?"),
1241                                  GTK_STOCK_CLOSE, _("+_Continue editing"), NULL);
1242                         if (G_ALERTDEFAULT != val) {
1243                                 g_free(name);
1244                                 g_free(condition);
1245                                 g_free(action);
1246                                 return;
1247                         }
1248                 }
1249                 g_free(name);
1250                 g_free(condition);
1251                 g_free(action);
1252         }
1253         prefs_filtering_set_list();
1254         prefs_matcher_write_config();
1255         prefs_filtering_close();
1256 }
1257
1258 static void prefs_filtering_cancel(void)
1259 {
1260         prefs_matcher_read_config();
1261         prefs_filtering_close();
1262 }
1263
1264 static GtkListStore* prefs_filtering_create_data_store(void)
1265 {
1266         return gtk_list_store_new(N_PREFS_FILTERING_COLUMNS,
1267                                   G_TYPE_BOOLEAN,
1268                                   G_TYPE_STRING,
1269                                   G_TYPE_INT,
1270                                   G_TYPE_STRING,
1271                                   G_TYPE_BOOLEAN,
1272                                  -1);
1273 }
1274
1275 /*!
1276  *\brief        Insert filtering rule into store. Note that we access the
1277  *              tree view / store by index, which is a bit suboptimal, but
1278  *              at least it made GTK 2 porting easier.
1279  *
1280  *\param        list_store Store to operate on
1281  *\param        row -1 to add a new rule to store, else change an existing
1282  *              row
1283  *\param        enabled TRUE if rule is enabled
1284  *\param        name The Name of rule
1285  *\param        account_id The account ID
1286  *\param        rule String representation of rule
1287  *\param        prop TRUE if valid filtering rule; if FALSE it's the first
1288  *              entry in the store ("(New)").
1289  *
1290  *\return       int Row of inserted / changed rule.
1291  */
1292 static gint prefs_filtering_list_view_insert_rule(GtkListStore *list_store,
1293                                                   gint row,
1294                                                   gboolean enabled,
1295                                                   const gchar *name,
1296                                                   gint account_id,
1297                                                   const gchar *rule,
1298                                                   gboolean prop)
1299 {
1300         GtkTreeIter iter;
1301
1302         /* check if valid row at all */
1303         if (row >= 0) {
1304                 if (!gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(list_store),
1305                                                    &iter, NULL, row))
1306                         row = -1;
1307         }
1308
1309         if (row < 0) {
1310                 /* append new */
1311                 gtk_list_store_append(list_store, &iter);
1312                 gtk_list_store_set(list_store, &iter,
1313                                    PREFS_FILTERING_ENABLED, enabled,
1314                                    PREFS_FILTERING_NAME, name,
1315                                    PREFS_FILTERING_ACCOUNT, account_id,
1316                                    PREFS_FILTERING_RULE, rule,
1317                                    PREFS_FILTERING_PROP, prop,
1318                                    -1);
1319                 return gtk_tree_model_iter_n_children(GTK_TREE_MODEL(list_store),
1320                                                       NULL) - 1;
1321         } else {
1322                 /* change existing */
1323                 gtk_list_store_set(list_store, &iter,
1324                                    PREFS_FILTERING_ENABLED, enabled,
1325                                    PREFS_FILTERING_NAME, name,
1326                                    PREFS_FILTERING_ACCOUNT, account_id,
1327                                    PREFS_FILTERING_RULE, rule,
1328                                    -1);
1329                 return row;
1330         }
1331 }
1332
1333 /*!
1334  *\return       gchar * Rule at specified row - should be freed.
1335  */
1336 static gchar *prefs_filtering_list_view_get_rule(GtkWidget *list, gint row)
1337 {
1338         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1339         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1340         GtkTreeIter iter;
1341         gchar *result;
1342
1343         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1344                 return NULL;
1345
1346         gtk_tree_model_get(model, &iter,
1347                            PREFS_FILTERING_RULE, &result,
1348                            -1);
1349
1350         return result;
1351 }
1352
1353 static void prefs_filtering_list_view_get_rule_name(GtkWidget *list, gint row,
1354                                 gboolean *enabled, gchar **name, gint *account_id)
1355 {
1356         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1357         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1358         GtkTreeIter iter;
1359
1360         *enabled = TRUE;
1361         *name = NULL;
1362
1363         if (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
1364                 gtk_tree_model_get(model, &iter,
1365                                    PREFS_FILTERING_ENABLED, enabled,
1366                                    PREFS_FILTERING_NAME, name,
1367                                    PREFS_FILTERING_ACCOUNT, account_id,
1368                                    -1);
1369         }
1370 }
1371
1372 /*!
1373  *\brief        Create list view for filtering
1374  */
1375 static GtkWidget *prefs_filtering_list_view_create(void)
1376 {
1377         GtkTreeView *list_view;
1378         GtkTreeSelection *selector;
1379
1380         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(GTK_TREE_MODEL
1381                 (prefs_filtering_create_data_store())));
1382
1383         gtk_tree_view_set_rules_hint(list_view, prefs_common.enable_rules_hint);
1384         gtk_tree_view_set_reorderable(list_view, TRUE);
1385
1386         selector = gtk_tree_view_get_selection(list_view);
1387         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
1388         gtk_tree_selection_set_select_function(selector, prefs_filtering_selected,
1389                                                NULL, NULL);
1390
1391         /* create the columns */
1392         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view));
1393
1394         return GTK_WIDGET(list_view);
1395 }
1396
1397 static void prefs_filtering_enable_toggled(GtkCellRendererToggle *widget,
1398                 gchar *path,
1399                 GtkWidget *list_view)
1400 {
1401         GtkTreeIter iter;
1402         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(list_view));
1403         gboolean enabled = TRUE;
1404
1405         if (!gtk_tree_model_get_iter_from_string(model, &iter, path))
1406                 return;
1407
1408         gtk_tree_model_get(model, &iter,
1409                            PREFS_FILTERING_ENABLED, &enabled,
1410                            -1);
1411
1412         gtk_list_store_set(GTK_LIST_STORE(model), &iter,
1413                            PREFS_FILTERING_ENABLED, !enabled,
1414                            -1);
1415 }
1416
1417 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view)
1418 {
1419         GtkTreeViewColumn *column;
1420         GtkCellRenderer *renderer;
1421
1422         renderer = gtk_cell_renderer_toggle_new();
1423         g_object_set(renderer,
1424                      "radio", FALSE,
1425                      "activatable", TRUE,
1426                      NULL);
1427         column = gtk_tree_view_column_new_with_attributes
1428                 (_("Enable"), /* FIXME : Enable, Enabled, or 'E' ? */
1429                  renderer,
1430                  "active", PREFS_FILTERING_ENABLED,
1431                  NULL);
1432         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
1433         g_signal_connect(G_OBJECT(renderer), "toggled",
1434                          G_CALLBACK(prefs_filtering_enable_toggled),
1435                          list_view);
1436
1437         renderer = gtk_cell_renderer_text_new();
1438         column = gtk_tree_view_column_new_with_attributes
1439                 (_("Name"),
1440                  renderer,
1441                  "text", PREFS_FILTERING_NAME,
1442                  NULL);
1443         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
1444         gtk_tree_view_column_set_resizable(column, TRUE);
1445
1446         renderer = gtk_cell_renderer_text_new();
1447         column = gtk_tree_view_column_new_with_attributes
1448                 (_("Rule"),
1449                  renderer,
1450                  "text", PREFS_FILTERING_RULE,
1451                  NULL);
1452         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
1453 }
1454
1455 static gboolean gtkut_tree_iter_comp(GtkTreeModel *model,
1456                                      GtkTreeIter *iter1,
1457                                      GtkTreeIter *iter2)
1458 {
1459         GtkTreePath *path1 = gtk_tree_model_get_path(model, iter1);
1460         GtkTreePath *path2 = gtk_tree_model_get_path(model, iter2);
1461         gboolean result;
1462
1463         result = gtk_tree_path_compare(path1, path2) == 0;
1464
1465         gtk_tree_path_free(path1);
1466         gtk_tree_path_free(path2);
1467
1468         return result;
1469 }
1470
1471 /*!
1472  *\brief        Get selected row number.
1473  */
1474 static gint prefs_filtering_get_selected_row(GtkWidget *list_view)
1475 {
1476         GtkTreeView *view = GTK_TREE_VIEW(list_view);
1477         GtkTreeModel *model = gtk_tree_view_get_model(view);
1478         int n_rows = gtk_tree_model_iter_n_children(model, NULL);
1479         GtkTreeSelection *selection;
1480         GtkTreeIter iter;
1481         int row;
1482
1483         if (n_rows == 0)
1484                 return -1;
1485
1486         selection = gtk_tree_view_get_selection(view);
1487         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1488                 return -1;
1489
1490         /* get all iterators and compare them... */
1491         for (row = 0; row < n_rows; row++) {
1492                 GtkTreeIter itern;
1493
1494                 gtk_tree_model_iter_nth_child(model, &itern, NULL, row);
1495                 if (gtkut_tree_iter_comp(model, &iter, &itern))
1496                         return row;
1497         }
1498
1499         return -1;
1500 }
1501
1502 static gboolean prefs_filtering_list_view_select_row(GtkWidget *list, gint row)
1503 {
1504         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1505         GtkTreeSelection *selection = gtk_tree_view_get_selection(list_view);
1506         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1507         GtkTreeIter iter;
1508         GtkTreePath *path;
1509
1510         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1511                 return FALSE;
1512
1513         gtk_tree_selection_select_iter(selection, &iter);
1514
1515         path = gtk_tree_model_get_path(model, &iter);
1516         gtk_tree_view_set_cursor(list_view, path, NULL, FALSE);
1517         gtk_tree_path_free(path);
1518
1519         return TRUE;
1520 }
1521
1522 /*!
1523  *\brief        Triggered when a row is selected
1524  */
1525 static gboolean prefs_filtering_selected(GtkTreeSelection *selector,
1526                                          GtkTreeModel *model,
1527                                          GtkTreePath *path,
1528                                          gboolean currently_selected,
1529                                          gpointer data)
1530 {
1531         if (currently_selected)
1532                 return TRUE;
1533         else {
1534                 gboolean has_prop  = FALSE;
1535                 GtkTreeIter iter;
1536
1537                 gtk_tree_model_get_iter(model, &iter, path);
1538                 gtk_tree_model_get(model, &iter,
1539                                    PREFS_FILTERING_PROP, &has_prop,
1540                                    -1);
1541
1542                 if (has_prop) {
1543                         FilteringProp *prop;
1544                         gchar *filtering_str = NULL;
1545                         gchar *name = NULL;
1546                         gint account_id = 0;
1547
1548                         gtk_tree_model_get(model, &iter,
1549                                            PREFS_FILTERING_RULE, &filtering_str,
1550                                            -1);
1551                         gtk_tree_model_get(model, &iter,
1552                                            PREFS_FILTERING_NAME, &name,
1553                                            -1);
1554                         gtk_tree_model_get(model, &iter,
1555                                            PREFS_FILTERING_ACCOUNT, &account_id,
1556                                            -1);
1557                         gtk_tree_model_get(model, &iter,
1558                                            PREFS_FILTERING_ACCOUNT, &account_id,
1559                                            -1);
1560
1561                         prop = matcher_parser_get_filtering(filtering_str);
1562                         if (prop) {
1563                                 prop->name = g_strdup(name);
1564                                 prop->account_id = account_id;
1565                                 prefs_filtering_select_set(prop);
1566                                 filteringprop_free(prop);
1567                         }
1568                         g_free(name);
1569                         g_free(filtering_str);
1570                 } else
1571                         prefs_filtering_reset_dialog();
1572         }
1573
1574         return TRUE;
1575 }
1576