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 static int modified = FALSE;
 158
 159 void prefs_filtering_open(GSList ** p_processing,
 160                           const gchar *title,
 161                           const gchar *help_url_anchor,
 162                           const gchar *header,
 163                           const gchar *key,
 164                           gboolean per_account_filtering)
 165 {
 166         if (prefs_rc_is_readonly(FILTERING_RC))
 167                 return;
 168
 169         inc_lock();
 170
 171         if (!filtering.window) {
 172                 prefs_filtering_create();
 173         } else {
 174                 gtk_list_store_clear(filtering.account_combobox_list);
 175                 prefs_filtering_account_option_menu_populate();
 176         }
 177
 178         gtk_tree_view_column_set_visible(filtering.account_name_column,
 179                                                                          per_account_filtering);
 180
 181         manage_window_set_transient(GTK_WINDOW(filtering.window));
 182         gtk_widget_grab_focus(filtering.ok_btn);
 183
 184         if (title != NULL)
 185                 gtk_window_set_title(GTK_WINDOW(filtering.window), title);
 186         else
 187                 gtk_window_set_title (GTK_WINDOW(filtering.window),
 188                                       _("Filtering/Processing configuration"));
 189
 190         if (help_url_anchor != NULL) {
 191                 if (signal_id != 0) {
 192                         g_signal_handler_disconnect(
 193                                         G_OBJECT(filtering.help_btn),
 194                                         signal_id);
 195                 }
 196
 197                 signal_id = g_signal_connect(G_OBJECT(filtering.help_btn),
 198                                 "clicked",
 199                                 G_CALLBACK(manual_open_with_anchor_cb),
 200                                 (gchar*)help_url_anchor);
 201         }
 202         else {
 203                 gtk_widget_set_sensitive(filtering.help_btn, FALSE);
 204         }
 205
 206         p_processing_list = p_processing;
 207
 208         prefs_filtering_set_dialog(header, key);
 209         if (per_account_filtering) {
 210                 gtk_widget_show(filtering.account_label);
 211                 gtk_widget_show(filtering.account_combobox);
 212         } else {
 213                 gtk_widget_hide(filtering.account_label);
 214                 gtk_widget_hide(filtering.account_combobox);
 215                 combobox_select_by_data(GTK_COMBO_BOX(filtering.account_combobox), 0);
 216         }
 217
 218         gtk_widget_show(filtering.window);
 219
 220         start_address_completion(NULL);
 221 }
 222
 223 static void prefs_filtering_size_allocate_cb(GtkWidget *widget,
 224                                          GtkAllocation *allocation)
 225 {
 226         g_return_if_fail(allocation != NULL);
 227
 228         prefs_common.filteringwin_width = allocation->width;
 229         prefs_common.filteringwin_height = allocation->height;
 230 }
 231
 232 /* prefs_filtering_close() - just to have one common exit point */
 233 static void prefs_filtering_close(void)
 234 {
 235         end_address_completion();
 236
 237         gtk_widget_hide(filtering.window);
 238         inc_unlock();
 239 }
 240
 241 static void prefs_filtering_account_option_menu_populate(void)
 242 {
 243         GList *accounts = NULL;
 244         GtkTreeIter iter;
 245
 246         accounts = account_get_list();
 247
 248         g_return_if_fail(accounts != NULL);
 249
 250         COMBOBOX_ADD(filtering.account_combobox_list, Q_("Filtering Account Menu|All"), 0);
 251         for (; accounts != NULL; accounts = accounts->next) {
 252                 PrefsAccount *ac = (PrefsAccount *)accounts->data;
 253
 254                 COMBOBOX_ADD_ESCAPED(filtering.account_combobox_list, ac->account_name, ac->account_id);
 255         }
 256 }
 257
 258 static GtkWidget *prefs_filtering_account_option_menu(Filtering *filtering)
 259 {
 260         GtkWidget *optmenu = NULL;
 261         GtkWidget *optmenubox = NULL;
 262         GtkListStore *menu = NULL;
 263
 264         optmenubox = gtk_event_box_new();
 265         optmenu = gtkut_sc_combobox_create(optmenubox, FALSE);
 266         menu = GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(optmenu)));
 267
 268         filtering->account_combobox = optmenu;
 269         filtering->account_combobox_list = menu;
 270
 271         prefs_filtering_account_option_menu_populate();
 272
 273         return optmenubox;
 274 }
 275
 276 static void prefs_filtering_create(void)
 277 {
 278         GtkWidget *window;
 279         GtkWidget *vbox;
 280         GtkWidget *help_btn;
 281         GtkWidget *cancel_btn;
 282         GtkWidget *ok_btn;
 283         GtkWidget *confirm_area;
 284
 285         GtkWidget *vbox1;
 286         GtkWidget *reg_hbox;
 287         GtkWidget *arrow;
 288         GtkWidget *btn_hbox;
 289
 290         GtkWidget *name_label;
 291         GtkWidget *name_entry;
 292         GtkWidget *account_label;
 293         GtkWidget *account_opt_menu;
 294         GtkWidget *cond_label;
 295         GtkWidget *cond_entry;
 296         GtkWidget *cond_btn;
 297         GtkWidget *action_label;
 298         GtkWidget *action_entry;
 299         GtkWidget *action_btn;
 300
 301         GtkWidget *reg_btn;
 302         GtkWidget *subst_btn;
 303         GtkWidget *del_btn;
 304
 305         GtkWidget *cond_hbox;
 306         GtkWidget *cond_scrolledwin;
 307         GtkWidget *cond_list_view;
 308
 309         GtkWidget *btn_vbox;
 310         GtkWidget *spc_vbox;
 311         GtkWidget *top_btn;
 312         GtkWidget *up_btn;
 313         GtkWidget *down_btn;
 314         GtkWidget *bottom_btn;
 315         GtkWidget *table;
 316         static GdkGeometry geometry;
 317
 318         debug_print("Creating filtering configuration window...\n");
 319
 320         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "prefs_filtering");
 321         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 322         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 323         gtk_window_set_modal (GTK_WINDOW (window), TRUE);
 324         gtk_window_set_resizable(GTK_WINDOW (window), TRUE);
 325
 326         vbox = gtk_vbox_new (FALSE, 6);
 327         gtk_widget_show (vbox);
 328         gtk_container_add (GTK_CONTAINER (window), vbox);
 329
 330         gtkut_stock_button_set_create_with_help(&confirm_area, &help_btn,
 331                         &cancel_btn, GTK_STOCK_CANCEL,
 332                         &ok_btn, GTK_STOCK_OK,
 333                         NULL, NULL);
 334         gtk_widget_show (confirm_area);
 335         gtk_box_pack_end (GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 336         gtk_widget_grab_default (ok_btn);
 337
 338         gtk_window_set_title (GTK_WINDOW(window),
 339                                     _("Filtering/Processing configuration"));
 340
 341         g_signal_connect(G_OBJECT(window), "delete_event",
 342                          G_CALLBACK(prefs_filtering_deleted), NULL);
 343         g_signal_connect(G_OBJECT(window), "size_allocate",
 344                          G_CALLBACK(prefs_filtering_size_allocate_cb), NULL);
 345         g_signal_connect(G_OBJECT(window), "key_press_event",
 346                          G_CALLBACK(prefs_filtering_key_pressed), NULL);
 347         MANAGE_WINDOW_SIGNALS_CONNECT (window);
 348         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 349                          G_CALLBACK(prefs_filtering_ok), NULL);
 350         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 351                          G_CALLBACK(prefs_filtering_cancel), NULL);
 352
 353         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 354         gtk_widget_show (vbox1);
 355         gtk_box_pack_start (GTK_BOX (vbox), vbox1, FALSE, TRUE, 0);
 356         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 357
 358         table = gtk_table_new(4, 3, FALSE);
 359         gtk_table_set_row_spacings (GTK_TABLE (table), VSPACING_NARROW_2);
 360         gtk_table_set_col_spacings (GTK_TABLE (table), 4);
 361         gtk_widget_show(table);
 362         gtk_box_pack_start (GTK_BOX (vbox1), table, TRUE, TRUE, 0);
 363
 364         name_label = gtk_label_new (_("Name"));
 365         gtk_widget_show (name_label);
 366         gtk_misc_set_alignment (GTK_MISC (name_label), 1, 0.5);
 367         gtk_table_attach (GTK_TABLE (table), name_label, 0, 1, 0, 1,
 368                           (GtkAttachOptions) (GTK_FILL),
 369                           (GtkAttachOptions) (0), 0, 0);
 370
 371         name_entry = gtk_entry_new ();
 372         gtk_widget_show (name_entry);
 373         gtk_table_attach (GTK_TABLE (table), name_entry, 1, 2, 0, 1,
 374                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 375                           (GtkAttachOptions) (0), 0, 0);
 376
 377         account_label = gtk_label_new (_("Account"));
 378         gtk_widget_show (account_label);
 379         gtk_misc_set_alignment (GTK_MISC (account_label), 1, 0.5);
 380         gtk_table_attach (GTK_TABLE (table), account_label, 0, 1, 1, 2,
 381                           (GtkAttachOptions) (GTK_FILL),
 382                           (GtkAttachOptions) (0), 0, 0);
 383
 384         account_opt_menu = prefs_filtering_account_option_menu(&filtering);
 385         gtk_widget_show (account_opt_menu);
 386         gtk_table_attach (GTK_TABLE (table), account_opt_menu, 1, 2, 1, 2,
 387                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 388                           (GtkAttachOptions) (0), 0, 0);
 389         combobox_select_by_data(GTK_COMBO_BOX(filtering.account_combobox), 0);
 390
 391         cond_label = gtk_label_new (_("Condition"));
 392         gtk_widget_show (cond_label);
 393         gtk_misc_set_alignment (GTK_MISC (cond_label), 1, 0.5);
 394         gtk_table_attach (GTK_TABLE (table), cond_label, 0, 1, 2, 3,
 395                           (GtkAttachOptions) (GTK_FILL),
 396                           (GtkAttachOptions) (0), 0, 0);
 397
 398         cond_entry = gtk_entry_new ();
 399         gtk_widget_show (cond_entry);
 400         gtk_table_attach (GTK_TABLE (table), cond_entry, 1, 2, 2, 3,
 401                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 402                           (GtkAttachOptions) (0), 0, 0);
 403
 404         cond_btn = gtk_button_new_with_label (_(" Define... "));
 405         gtk_widget_show (cond_btn);
 406         gtk_table_attach (GTK_TABLE (table), cond_btn, 2, 3, 2, 3,
 407                           (GtkAttachOptions) (GTK_FILL),
 408                           (GtkAttachOptions) (0), 2, 2);
 409         g_signal_connect(G_OBJECT (cond_btn), "clicked",
 410                          G_CALLBACK(prefs_filtering_condition_define),
 411                          NULL);
 412
 413         action_label = gtk_label_new (_("Action"));
 414         gtk_widget_show (action_label);
 415         gtk_misc_set_alignment (GTK_MISC (action_label), 1, 0.5);
 416         gtk_table_attach (GTK_TABLE (table), action_label, 0, 1, 3, 4,
 417                           (GtkAttachOptions) (GTK_FILL),
 418                           (GtkAttachOptions) (0), 0, 0);
 419
 420         action_entry = gtk_entry_new ();
 421         gtk_widget_show (action_entry);
 422         gtk_table_attach (GTK_TABLE (table), action_entry, 1, 2, 3, 4,
 423                           (GtkAttachOptions) (GTK_FILL|GTK_EXPAND),
 424                           (GtkAttachOptions) (0), 0, 0);
 425
 426         action_btn = gtk_button_new_with_label (_(" Define... "));
 427         gtk_widget_show (action_btn);
 428         gtk_table_attach (GTK_TABLE (table), action_btn, 2, 3, 3, 4,
 429                           (GtkAttachOptions) (GTK_FILL),
 430                           (GtkAttachOptions) (0), 2, 2);
 431         g_signal_connect(G_OBJECT (action_btn), "clicked",
 432                          G_CALLBACK(prefs_filtering_action_define),
 433                          NULL);
 434
 435         /* register / substitute / delete */
 436         reg_hbox = gtk_hbox_new (FALSE, 4);
 437         gtk_widget_show (reg_hbox);
 438         gtk_box_pack_start (GTK_BOX (vbox1), reg_hbox, FALSE, FALSE, 0);
 439
 440         arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 441         gtk_widget_show (arrow);
 442         gtk_box_pack_start (GTK_BOX (reg_hbox), arrow, FALSE, FALSE, 0);
 443         gtk_widget_set_size_request (arrow, -1, 16);
 444
 445         btn_hbox = gtk_hbox_new (TRUE, 4);
 446         gtk_widget_show (btn_hbox);
 447         gtk_box_pack_start (GTK_BOX (reg_hbox), btn_hbox, FALSE, FALSE, 0);
 448
 449         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 450         gtk_widget_show (reg_btn);
 451         gtk_box_pack_start (GTK_BOX (btn_hbox), reg_btn, FALSE, TRUE, 0);
 452         g_signal_connect(G_OBJECT (reg_btn), "clicked",
 453                          G_CALLBACK(prefs_filtering_register_cb), NULL);
 454
 455         subst_btn = gtkut_get_replace_btn (_("Replace"));
 456         gtk_widget_show (subst_btn);
 457         gtk_box_pack_start (GTK_BOX (btn_hbox), subst_btn, FALSE, TRUE, 0);
 458         g_signal_connect(G_OBJECT (subst_btn), "clicked",
 459                          G_CALLBACK(prefs_filtering_substitute_cb),
 460                          NULL);
 461
 462         del_btn = gtk_button_new_from_stock (GTK_STOCK_DELETE);
 463         gtk_widget_show (del_btn);
 464         gtk_box_pack_start (GTK_BOX (btn_hbox), del_btn, FALSE, TRUE, 0);
 465         g_signal_connect(G_OBJECT (del_btn), "clicked",
 466                         G_CALLBACK(prefs_filtering_delete_cb), NULL);
 467
 468         cond_hbox = gtk_hbox_new (FALSE, 8);
 469         gtk_widget_show (cond_hbox);
 470         gtk_box_pack_start (GTK_BOX (vbox), cond_hbox, TRUE, TRUE, 0);
 471
 472         cond_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 473         gtk_widget_show (cond_scrolledwin);
 474         gtk_widget_set_size_request (cond_scrolledwin, -1, 150);
 475         gtk_box_pack_start (GTK_BOX (cond_hbox), cond_scrolledwin,
 476                             TRUE, TRUE, 0);
 477         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (cond_scrolledwin),
 478                                         GTK_POLICY_AUTOMATIC,
 479                                         GTK_POLICY_AUTOMATIC);
 480
 481         cond_list_view = prefs_filtering_list_view_create();
 482         gtk_widget_show (cond_list_view);
 483         gtk_container_add (GTK_CONTAINER (cond_scrolledwin), cond_list_view);
 484
 485         btn_vbox = gtk_vbox_new (FALSE, 8);
 486         gtk_widget_show (btn_vbox);
 487         gtk_box_pack_start (GTK_BOX (cond_hbox), btn_vbox, FALSE, FALSE, 0);
 488
 489         top_btn = gtk_button_new_from_stock (GTK_STOCK_GOTO_TOP);
 490         gtk_widget_show (top_btn);
 491         gtk_box_pack_start (GTK_BOX (btn_vbox), top_btn, FALSE, FALSE, 0);
 492         g_signal_connect(G_OBJECT (top_btn), "clicked",
 493                          G_CALLBACK(prefs_filtering_top), NULL);
 494
 495         PACK_VSPACER (btn_vbox, spc_vbox, VSPACING_NARROW_2);
 496
 497         up_btn = gtk_button_new_from_stock (GTK_STOCK_GO_UP);
 498         gtk_widget_show (up_btn);
 499         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 500         g_signal_connect(G_OBJECT (up_btn), "clicked",
 501                          G_CALLBACK(prefs_filtering_up), NULL);
 502
 503         down_btn = gtk_button_new_from_stock (GTK_STOCK_GO_DOWN);
 504         gtk_widget_show (down_btn);
 505         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 506         g_signal_connect(G_OBJECT (down_btn), "clicked",
 507                          G_CALLBACK(prefs_filtering_down), NULL);
 508
 509         PACK_VSPACER (btn_vbox, spc_vbox, VSPACING_NARROW_2);
 510
 511         bottom_btn = gtk_button_new_from_stock (GTK_STOCK_GOTO_BOTTOM);
 512         gtk_widget_show (bottom_btn);
 513         gtk_box_pack_start (GTK_BOX (btn_vbox), bottom_btn, FALSE, FALSE, 0);
 514         g_signal_connect(G_OBJECT (bottom_btn), "clicked",
 515                          G_CALLBACK(prefs_filtering_bottom), NULL);
 516
 517         if (!geometry.min_height) {
 518                 geometry.min_width = 500;
 519                 geometry.min_height = 400;
 520         }
 521
 522         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 523                                       GDK_HINT_MIN_SIZE);
 524         gtk_widget_set_size_request(window, prefs_common.filteringwin_width,
 525                                     prefs_common.filteringwin_height);
 526
 527         gtk_widget_show_all(window);
 528
 529         filtering.window    = window;
 530         filtering.help_btn = help_btn;
 531         filtering.ok_btn = ok_btn;
 532
 533         filtering.name_entry     = name_entry;
 534         filtering.cond_entry     = cond_entry;
 535         filtering.action_entry   = action_entry;
 536         filtering.cond_list_view = cond_list_view;
 537         filtering.account_label  = account_label;
 538 }
 539
 540 static void rename_tag(GSList * filters,
 541                         const gchar * old_tag, const gchar * new_tag);
 542
 543 void prefs_filtering_rename_tag(const gchar *old_tag, const gchar *new_tag)
 544 {
 545         GList * cur;
 546         const gchar *tags[2] = {NULL, NULL};
 547         tags[0] = old_tag;
 548         tags[1] = new_tag;
 549         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
 550                 Folder *folder;
 551                 folder = (Folder *) cur->data;
 552                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 553                                 prefs_filtering_rename_tag_func, tags);
 554         }
 555
 556         rename_tag(pre_global_processing, old_tag, new_tag);
 557         rename_tag(post_global_processing, old_tag, new_tag);
 558         rename_tag(filtering_rules, old_tag, new_tag);
 559
 560         prefs_matcher_write_config();
 561 }
 562
 563
 564 static void rename_path(GSList * filters,
 565                         const gchar * old_path, const gchar * new_path);
 566
 567 void prefs_filtering_rename_path(const gchar *old_path, const gchar *new_path)
 568 {
 569         GList * cur;
 570         const gchar *paths[2] = {NULL, NULL};
 571         paths[0] = old_path;
 572         paths[1] = new_path;
 573         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
 574                 Folder *folder;
 575                 folder = (Folder *) cur->data;
 576                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 577                                 prefs_filtering_rename_path_func, paths);
 578         }
 579
 580         rename_path(pre_global_processing, old_path, new_path);
 581         rename_path(post_global_processing, old_path, new_path);
 582         rename_path(filtering_rules, old_path, new_path);
 583
 584         prefs_matcher_write_config();
 585 }
 586
 587 static void rename_path(GSList * filters,
 588                         const gchar * old_path, const gchar * new_path)
 589 {
 590         gchar *base;
 591         gchar *prefix;
 592         gchar *suffix;
 593         gchar *dest_path;
 594         gchar *old_path_with_sep;
 595         gint destlen;
 596         gint prefixlen;
 597         gint oldpathlen;
 598         GSList * action_cur;
 599         GSList * cur;
 600
 601         oldpathlen = strlen(old_path);
 602         old_path_with_sep = g_strconcat(old_path,G_DIR_SEPARATOR_S,NULL);
 603
 604         for (cur = filters; cur != NULL; cur = cur->next) {
 605                 FilteringProp   *filtering = (FilteringProp *)cur->data;
 606
 607                 for(action_cur = filtering->action_list ; action_cur != NULL ;
 608                     action_cur = action_cur->next) {
 609
 610                         FilteringAction *action = action_cur->data;
 611
 612                         if (action->type == MATCHACTION_SET_TAG ||
 613                             action->type == MATCHACTION_UNSET_TAG)
 614                                 continue;
 615                         if (!action->destination)
 616                                 continue;
 617
 618                         destlen = strlen(action->destination);
 619
 620                         if (destlen > oldpathlen) {
 621                                 prefixlen = destlen - oldpathlen;
 622                                 suffix = action->destination + prefixlen;
 623
 624                                 if (!strncmp(old_path, suffix, oldpathlen)) {
 625                                         prefix = g_malloc0(prefixlen + 1);
 626                                         strncpy2(prefix, action->destination, prefixlen);
 627
 628                                         base = suffix + oldpathlen;
 629                                         while (*base == G_DIR_SEPARATOR) base++;
 630                                         if (*base == '\0')
 631                                                 dest_path = g_strconcat(prefix,
 632                                                     G_DIR_SEPARATOR_S,
 633                                                     new_path, NULL);
 634                                         else
 635                                                 dest_path = g_strconcat(prefix,
 636                                                     G_DIR_SEPARATOR_S,
 637                                                     new_path,
 638                                                     G_DIR_SEPARATOR_S,
 639                                                     base, NULL);
 640
 641                                         g_free(prefix);
 642                                         g_free(action->destination);
 643                                         action->destination = dest_path;
 644                                 } else { /* for non-leaf folders */
 645                                         /* compare with trailing slash */
 646                                         if (!strncmp(old_path_with_sep, action->destination, oldpathlen+1)) {
 647
 648                                                 suffix = action->destination + oldpathlen + 1;
 649                                                 dest_path = g_strconcat(new_path,
 650                                                     G_DIR_SEPARATOR_S,
 651                                                     suffix, NULL);
 652                                                 g_free(action->destination);
 653                                                 action->destination = dest_path;
 654                                         }
 655                                 }
 656                         } else {
 657                                 /* folder-moving a leaf */
 658                                 if (!strcmp(old_path, action->destination)) {
 659                                         dest_path = g_strdup(new_path);
 660                                         g_free(action->destination);
 661                                         action->destination = dest_path;
 662                                 }
 663                         }
 664                 }
 665         }
 666 }
 667
 668 static gboolean prefs_filtering_rename_path_func(GNode *node, gpointer data)
 669 {
 670         GSList *filters;
 671         const gchar * old_path;
 672         const gchar * new_path;
 673         const gchar ** paths;
 674         FolderItem *item;
 675
 676         paths = data;
 677         old_path = paths[0];
 678         new_path = paths[1];
 679
 680         g_return_val_if_fail(old_path != NULL, FALSE);
 681         g_return_val_if_fail(new_path != NULL, FALSE);
 682         g_return_val_if_fail(node != NULL, FALSE);
 683
 684         item = node->data;
 685         if (!item || !item->prefs)
 686                 return FALSE;
 687         filters = item->prefs->processing;
 688
 689         rename_path(filters, old_path, new_path);
 690
 691         return FALSE;
 692 }
 693
 694 static void rename_tag(GSList * filters,
 695                         const gchar * old_tag, const gchar * new_tag)
 696 {
 697         GSList * action_cur;
 698         GSList * cur;
 699
 700         for (cur = filters; cur != NULL; cur = cur->next) {
 701                 FilteringProp   *filtering = (FilteringProp *)cur->data;
 702
 703                 for(action_cur = filtering->action_list ; action_cur != NULL ;
 704                     action_cur = action_cur->next) {
 705
 706                         FilteringAction *action = action_cur->data;
 707
 708                         if (action->type != MATCHACTION_SET_TAG &&
 709                             action->type != MATCHACTION_UNSET_TAG)
 710                                 continue;
 711                         if (!action->destination)
 712                                 continue;
 713                         if (!strcmp(action->destination, old_tag)) {
 714                                 g_free(action->destination);
 715                                 action->destination = g_strdup(new_tag);
 716                         }
 717                 }
 718         }
 719 }
 720
 721 static gboolean prefs_filtering_rename_tag_func(GNode *node, gpointer data)
 722 {
 723         GSList *filters;
 724         const gchar * old_tag;
 725         const gchar * new_tag;
 726         const gchar ** tags;
 727         FolderItem *item;
 728
 729         tags = data;
 730         old_tag = tags[0];
 731         new_tag = tags[1];
 732
 733         g_return_val_if_fail(old_tag != NULL, FALSE);
 734         g_return_val_if_fail(new_tag != NULL, FALSE);
 735         g_return_val_if_fail(node != NULL, FALSE);
 736
 737         item = node->data;
 738         if (!item || !item->prefs)
 739                 return FALSE;
 740         filters = item->prefs->processing;
 741
 742         rename_tag(filters, old_tag, new_tag);
 743
 744         return FALSE;
 745 }
 746
 747 void prefs_filtering_delete_path(const gchar *path)
 748 {
 749         GList * cur;
 750         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
 751                 Folder *folder;
 752                 folder = (Folder *) cur->data;
 753                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 754                                 prefs_filtering_delete_path_func, (gchar *)path);
 755         }
 756         delete_path(&pre_global_processing, path);
 757         delete_path(&post_global_processing, path);
 758         delete_path(&filtering_rules, path);
 759
 760         prefs_matcher_write_config();
 761 }
 762
 763 static void delete_path(GSList ** p_filters, const gchar * path)
 764 {
 765         GSList * filters;
 766         GSList * duplist;
 767         gchar *suffix;
 768         gint destlen;
 769         gint prefixlen;
 770         gint pathlen;
 771         GSList * action_cur;
 772         GSList * cur;
 773
 774         filters = *p_filters;
 775         pathlen = strlen(path);
 776         duplist = g_slist_copy(filters);
 777         for (cur = duplist ; cur != NULL; cur = g_slist_next(cur)) {
 778                 FilteringProp *filtering = (FilteringProp *) cur->data;
 779
 780                 for(action_cur = filtering->action_list ; action_cur != NULL ;
 781                     action_cur = action_cur->next) {
 782
 783                         FilteringAction *action;
 784
 785                         action = action_cur->data;
 786
 787                         if (action->type == MATCHACTION_SET_TAG ||
 788                             action->type == MATCHACTION_UNSET_TAG)
 789                                 continue;
 790                         if (!action->destination)
 791                                 continue;
 792
 793                         destlen = strlen(action->destination);
 794
 795                         if (destlen > pathlen) {
 796                                 prefixlen = destlen - pathlen;
 797                                 suffix = action->destination + prefixlen;
 798
 799                                 if (suffix && !strncmp(path, suffix, pathlen)) {
 800                                         filteringprop_free(filtering);
 801                                         filters = g_slist_remove(filters, filtering);
 802                                 }
 803                         } else if (strcmp(action->destination, path) == 0) {
 804                                 filteringprop_free(filtering);
 805                                 filters = g_slist_remove(filters, filtering);
 806                         }
 807                 }
 808         }
 809         g_slist_free(duplist);
 810
 811         * p_filters = filters;
 812 }
 813
 814 static gboolean prefs_filtering_delete_path_func(GNode *node, gpointer data)
 815 {
 816         const gchar *path = data;
 817         FolderItem *item;
 818         GSList ** p_filters;
 819
 820         g_return_val_if_fail(path != NULL, FALSE);
 821         g_return_val_if_fail(node != NULL, FALSE);
 822
 823         item = node->data;
 824         if (!item || !item->prefs)
 825                 return FALSE;
 826         p_filters = &item->prefs->processing;
 827
 828         delete_path(p_filters, path);
 829
 830         return FALSE;
 831 }
 832
 833 static void prefs_filtering_set_dialog(const gchar *header, const gchar *key)
 834 {
 835         GtkTreeView *list_view = GTK_TREE_VIEW(filtering.cond_list_view);
 836         GSList *cur;
 837         GSList * prefs_filtering;
 838         gchar *cond_str;
 839         GtkListStore *list_store;
 840
 841         list_store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 842         gtk_list_store_clear(list_store);
 843
 844         /* add the place holder (New) at row 0 */
 845         prefs_filtering_list_view_insert_rule(list_store, -1,
 846                                               FALSE,
 847                                               _("(New)"),
 848                                                   0,
 849                                               _("(New)"),
 850                                               _("(New)"),
 851                                               FALSE);
 852
 853         prefs_filtering = *p_processing_list;
 854
 855         for(cur = prefs_filtering ; cur != NULL ; cur = g_slist_next(cur)) {
 856                 FilteringProp * prop = (FilteringProp *) cur->data;
 857                 gchar *account_name = NULL;
 858
 859                 if (prop->account_id > 0) {
 860                         PrefsAccount *ac_prefs = account_find_from_id(prop->account_id);
 861
 862                         if (ac_prefs)
 863                                 account_name = ac_prefs->account_name;
 864                 }
 865                 if (account_name == NULL)
 866                         account_name = (gchar *)Q_("Filtering Account Menu|All");
 867
 868                 cond_str = filteringprop_to_string(prop);
 869                 subst_char(cond_str, '\t', ':');
 870
 871                 prefs_filtering_list_view_insert_rule(list_store, -1,
 872                                                       prop->enabled,
 873                                                       prop->name,
 874                                                           prop->account_id,
 875                                                           account_name,
 876                                                       cond_str, TRUE);
 877
 878                 g_free(cond_str);
 879         }
 880
 881         prefs_filtering_reset_dialog();
 882
 883         if (header && key) {
 884                 gchar * quoted_key;
 885                 gchar *match_str;
 886
 887                 quoted_key = matcher_quote_str(key);
 888
 889                 match_str = g_strconcat(header, " ", get_matchparser_tab_str(MATCHTYPE_MATCHCASE),
 890                                         " \"", quoted_key, "\"", NULL);
 891                 g_free(quoted_key);
 892
 893                 gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), match_str);
 894                 g_free(match_str);
 895         }
 896 }
 897
 898 static void prefs_filtering_reset_dialog(void)
 899 {
 900         gtk_entry_set_text(GTK_ENTRY(filtering.name_entry), "");
 901         combobox_select_by_data(GTK_COMBO_BOX(filtering.account_combobox), 0);
 902         gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), "");
 903         gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), "");
 904 }
 905
 906 static void prefs_filtering_set_list(void)
 907 {
 908         gint row = 1;
 909         FilteringProp *prop;
 910         GSList * cur;
 911         gchar * filtering_str;
 912         GSList * prefs_filtering;
 913
 914         prefs_filtering = *p_processing_list;
 915         for (cur = prefs_filtering ; cur != NULL ; cur = g_slist_next(cur))
 916                 filteringprop_free((FilteringProp *) cur->data);
 917         g_slist_free(prefs_filtering);
 918         prefs_filtering = NULL;
 919
 920
 921         while (NULL != (filtering_str = prefs_filtering_list_view_get_rule
 922                                                 (filtering.cond_list_view, row))) {
 923                 /* FIXME: this strcmp() is bogus: "(New)" should never
 924                  * be inserted in the storage */
 925                 if (strcmp(filtering_str, _("(New)")) != 0) {
 926                         gboolean enabled;
 927                         gchar *name;
 928                         gint account_id = 0;
 929
 930                         prefs_filtering_list_view_get_rule_info(
 931                                         filtering.cond_list_view, row,
 932                                         &enabled, &name, &account_id);
 933                         prop = matcher_parser_get_filtering(filtering_str);
 934                         g_free(filtering_str);
 935                         if (prop) {
 936                                 prop->enabled = enabled;
 937                                 prop->name = name;
 938                                 prop->account_id = account_id;
 939                                 prefs_filtering =
 940                                         g_slist_append(prefs_filtering, prop);
 941                         }
 942                 }
 943
 944                 row++;
 945         }
 946
 947         *p_processing_list = prefs_filtering;
 948 }
 949
 950 static gint prefs_filtering_list_view_set_row(gint row, FilteringProp * prop)
 951 {
 952         GtkTreeView *list_view = GTK_TREE_VIEW(filtering.cond_list_view);
 953         gchar *str;
 954         GtkListStore *list_store;
 955         gchar *name = NULL;
 956         gint account_id = 0;
 957         gchar *account_name = (gchar *)Q_("Filtering Account Menu|All");
 958         gboolean enabled = TRUE;
 959
 960         str = filteringprop_to_string(prop);
 961         if (str == NULL)
 962                 return -1;
 963
 964         if (prop) {
 965                 if (prop->name)
 966                         name = prop->name;
 967                 account_id = prop->account_id;
 968                 if (account_id > 0)
 969                         account_name = account_find_from_id(account_id)->account_name;
 970                 enabled = prop->enabled;
 971         }
 972
 973         list_store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 974
 975         row = prefs_filtering_list_view_insert_rule(list_store, row,
 976                                                     enabled,
 977                                                     name,
 978                                                     account_id,
 979                                                         account_name,
 980                                                     str,
 981                                                     prop != NULL);
 982
 983         g_free(str);
 984
 985         return row;
 986 }
 987
 988 static void prefs_filtering_condition_define_done(MatcherList * matchers)
 989 {
 990         gchar * str;
 991
 992         if (matchers == NULL)
 993                 return;
 994
 995         str = matcherlist_to_string(matchers);
 996
 997         if (str != NULL) {
 998                 gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), str);
 999                 g_free(str);
1000         }
1001 }
1002
1003 static void prefs_filtering_condition_define(void)
1004 {
1005         gchar * cond_str;
1006         MatcherList * matchers = NULL;
1007
1008         cond_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.cond_entry), 0, -1);
1009
1010         if (*cond_str != '\0') {
1011                 matchers = matcher_parser_get_cond(cond_str, NULL);
1012                 if (matchers == NULL)
1013                         alertpanel_error(_("Condition string is not valid."));
1014         }
1015
1016         g_free(cond_str);
1017
1018         prefs_matcher_open(matchers, prefs_filtering_condition_define_done);
1019
1020         if (matchers != NULL)
1021                 matcherlist_free(matchers);
1022 }
1023
1024 static void prefs_filtering_action_define_done(GSList * action_list)
1025 {
1026         gchar * str;
1027
1028         if (action_list == NULL)
1029                 return;
1030
1031         str = filteringaction_list_to_string(action_list);
1032
1033         if (str != NULL) {
1034                 gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), str);
1035                 g_free(str);
1036         }
1037 }
1038
1039 static void prefs_filtering_action_define(void)
1040 {
1041         gchar * action_str;
1042         GSList * action_list = NULL;
1043
1044         action_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.action_entry), 0, -1);
1045
1046         if (*action_str != '\0') {
1047                 action_list = matcher_parser_get_action_list(action_str);
1048                 if (action_list == NULL)
1049                         alertpanel_error(_("Action string is not valid."));
1050         }
1051
1052         g_free(action_str);
1053
1054         prefs_filtering_action_open(action_list,
1055             prefs_filtering_action_define_done);
1056
1057         if (action_list != NULL) {
1058                 GSList * cur;
1059                 for(cur = action_list ; cur != NULL ; cur = cur->next) {
1060                         filteringaction_free(cur->data);
1061                 }
1062         }
1063 }
1064
1065
1066 /* register / substitute delete buttons */
1067
1068
1069 static FilteringProp * prefs_filtering_dialog_to_filtering(gboolean alert)
1070 {
1071         MatcherList * cond;
1072         gboolean enabled = TRUE;
1073         gchar * name = NULL;
1074         gint account_id = 0;
1075         gchar * cond_str = NULL;
1076         gchar * action_str = NULL;
1077         FilteringProp * prop = NULL;
1078         GSList * action_list;
1079
1080         name = gtk_editable_get_chars(GTK_EDITABLE(filtering.name_entry), 0, -1);
1081
1082         account_id = combobox_get_active_data(GTK_COMBO_BOX(filtering.account_combobox));
1083
1084         cond_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.cond_entry), 0, -1);
1085         if (*cond_str == '\0') {
1086                 if(alert == TRUE) alertpanel_error(_("Condition string is empty."));
1087                 goto fail;
1088         }
1089
1090         action_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.action_entry), 0, -1);
1091         if (*action_str == '\0') {
1092                 if(alert == TRUE) alertpanel_error(_("Action string is empty."));
1093                 goto fail;
1094         }
1095
1096         cond = matcher_parser_get_cond(cond_str, NULL);
1097
1098         if (cond == NULL) {
1099                 if(alert == TRUE) alertpanel_error(_("Condition string is not valid."));
1100                 goto fail;
1101         }
1102
1103         action_list = matcher_parser_get_action_list(action_str);
1104
1105
1106         if (action_list == NULL) {
1107                 if(alert == TRUE) alertpanel_error(_("Action string is not valid."));
1108                 goto fail;
1109         }
1110
1111         prop = filteringprop_new(enabled, name, account_id, cond, action_list);
1112
1113 fail:
1114         g_free(name);
1115         g_free(cond_str);
1116         g_free(action_str);
1117         return prop;
1118 }
1119
1120 static void prefs_filtering_register_cb(void)
1121 {
1122         FilteringProp * prop;
1123
1124         prop = prefs_filtering_dialog_to_filtering(TRUE);
1125         if (prop == NULL)
1126                 return;
1127         prefs_filtering_list_view_set_row(-1, prop);
1128
1129         filteringprop_free(prop);
1130
1131         prefs_filtering_reset_dialog();
1132         modified = TRUE;
1133 }
1134
1135 static void prefs_filtering_substitute_cb(void)
1136 {
1137         gint selected_row = gtkut_list_view_get_selected_row
1138                 (filtering.cond_list_view);
1139         FilteringProp *prop;
1140         gboolean enabled;
1141         gchar *name;
1142         gint account_id;
1143
1144         if (selected_row <= 0)
1145                 return;
1146
1147         prop = prefs_filtering_dialog_to_filtering(TRUE);
1148
1149         if (prop == NULL)
1150                 return;
1151
1152         /* prop->emabled is always TRUE here, re-use the value from the selected row
1153            as we don't substitute this value from dialog */
1154         prefs_filtering_list_view_get_rule_info(
1155                         filtering.cond_list_view, selected_row,
1156                         &enabled, &name, &account_id);
1157         prop->enabled = enabled;
1158
1159         prefs_filtering_list_view_set_row(selected_row, prop);
1160
1161         filteringprop_free(prop);
1162
1163         prefs_filtering_reset_dialog();
1164         modified = TRUE;
1165 }
1166
1167 static void prefs_filtering_delete_cb(void)
1168 {
1169         GtkTreeView *list_view = GTK_TREE_VIEW(filtering.cond_list_view);
1170         GtkTreeModel *model;
1171         GtkTreeIter iter;
1172         gint row;
1173
1174         row = gtkut_list_view_get_selected_row(filtering.cond_list_view);
1175         if (row <= 0)
1176                 return;
1177
1178         if (alertpanel(_("Delete rule"),
1179                        _("Do you really want to delete this rule?"),
1180                        GTK_STOCK_CANCEL, "+"GTK_STOCK_DELETE, NULL) == G_ALERTDEFAULT)
1181                 return;
1182
1183         model = gtk_tree_view_get_model(list_view);
1184         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1185                 return;
1186
1187         gtk_list_store_remove(GTK_LIST_STORE(model), &iter);
1188
1189         prefs_filtering_reset_dialog();
1190         modified = TRUE;
1191 }
1192
1193 static void prefs_filtering_top(void)
1194 {
1195         gint row;
1196         GtkTreeIter top, sel;
1197         GtkTreeModel *model;
1198
1199         row = gtkut_list_view_get_selected_row(filtering.cond_list_view);
1200         if (row <= 1)
1201                 return;
1202
1203         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
1204
1205         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, 0)
1206         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, row))
1207                 return;
1208
1209         gtk_list_store_move_after(GTK_LIST_STORE(model), &sel, &top);
1210         gtkut_list_view_select_row(filtering.cond_list_view, 1);
1211         modified = TRUE;
1212 }
1213
1214 static void prefs_filtering_up(void)
1215 {
1216         gint row;
1217         GtkTreeIter top, sel;
1218         GtkTreeModel *model;
1219
1220         row = gtkut_list_view_get_selected_row(filtering.cond_list_view);
1221         if (row <= 1)
1222                 return;
1223
1224         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
1225
1226         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, row - 1)
1227         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, row))
1228                 return;
1229
1230         gtk_list_store_swap(GTK_LIST_STORE(model), &top, &sel);
1231         gtkut_list_view_select_row(filtering.cond_list_view, row - 1);
1232         modified = TRUE;
1233 }
1234
1235 static void prefs_filtering_down(void)
1236 {
1237         gint row, n_rows;
1238         GtkTreeIter top, sel;
1239         GtkTreeModel *model;
1240
1241         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
1242         n_rows = gtk_tree_model_iter_n_children(model, NULL);
1243         row = gtkut_list_view_get_selected_row(filtering.cond_list_view);
1244         if (row < 1 || row >= n_rows - 1)
1245                 return;
1246
1247         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, row)
1248         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, row + 1))
1249                 return;
1250
1251         gtk_list_store_swap(GTK_LIST_STORE(model), &top, &sel);
1252         gtkut_list_view_select_row(filtering.cond_list_view, row + 1);
1253         modified = TRUE;
1254 }
1255
1256 static void prefs_filtering_bottom(void)
1257 {
1258         gint row, n_rows;
1259         GtkTreeIter top, sel;
1260         GtkTreeModel *model;
1261
1262         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
1263         n_rows = gtk_tree_model_iter_n_children(model, NULL);
1264         row = gtkut_list_view_get_selected_row(filtering.cond_list_view);
1265         if (row < 1 || row >= n_rows - 1)
1266                 return;
1267
1268         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, row)
1269         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, n_rows - 1))
1270                 return;
1271
1272         gtk_list_store_move_after(GTK_LIST_STORE(model), &top, &sel);
1273         gtkut_list_view_select_row(filtering.cond_list_view, n_rows - 1);
1274         modified = TRUE;
1275 }
1276
1277 static void prefs_filtering_select_set(FilteringProp *prop)
1278 {
1279         gchar *matcher_str;
1280         gchar *action_str;
1281
1282         prefs_filtering_reset_dialog();
1283
1284         matcher_str = matcherlist_to_string(prop->matchers);
1285         if (matcher_str == NULL) {
1286                 return;
1287         }
1288
1289         if (prop->name != NULL)
1290                 gtk_entry_set_text(GTK_ENTRY(filtering.name_entry), prop->name);
1291
1292         combobox_select_by_data(GTK_COMBO_BOX(filtering.account_combobox), prop->account_id);
1293
1294         gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), matcher_str);
1295
1296         action_str = filteringaction_list_to_string(prop->action_list);
1297         if (matcher_str == NULL) {
1298                 return;
1299         }
1300         gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), action_str);
1301
1302         g_free(action_str);
1303         g_free(matcher_str);
1304 }
1305
1306 static gint prefs_filtering_deleted(GtkWidget *widget, GdkEventAny *event,
1307                                  gpointer data)
1308 {
1309         prefs_filtering_cancel();
1310         return TRUE;
1311 }
1312
1313 static gboolean prefs_filtering_key_pressed(GtkWidget *widget, GdkEventKey *event,
1314                                      gpointer data)
1315 {
1316         if (event && event->keyval == GDK_Escape) {
1317                 prefs_filtering_cancel();
1318                 return TRUE;
1319         }
1320         return FALSE;
1321 }
1322
1323 static gboolean prefs_filtering_check_mod(gboolean check_changed_list)
1324 {
1325         FilteringProp * prop;
1326         gchar * str;
1327         gchar * filtering_str;
1328         gint row = 1;
1329         AlertValue val;
1330
1331         prop = prefs_filtering_dialog_to_filtering(FALSE);
1332
1333         if (check_changed_list) {
1334                 if (modified && alertpanel(_("Filtering rules not saved"),
1335                                          _("The list of filtering rules have been modified. Close anyway?"),
1336                                          GTK_STOCK_CLOSE, _("+_Continue editing"),
1337                                          NULL) != G_ALERTDEFAULT) {
1338                         return TRUE;
1339                 }
1340         }
1341
1342         /* check if a rule is being edited */
1343         if (prop != NULL) {
1344                 str = filteringprop_to_string(prop);
1345
1346                 while (NULL != (filtering_str = (prefs_filtering_list_view_get_rule
1347                                                         (filtering.cond_list_view,
1348                                                          row)))) {
1349                         if (strcmp(filtering_str, str) == 0)
1350                                 break;
1351                         row++;
1352                         g_free(filtering_str);
1353                 }
1354
1355                 if (!filtering_str) {
1356                         val = alertpanel(_("Entry not saved"),
1357                                  _("The entry was not saved. Close anyway?"),
1358                                  GTK_STOCK_CLOSE, _("+_Continue editing"), NULL);
1359                         if (G_ALERTDEFAULT != val) {
1360                                 g_free(filtering_str);
1361                                 g_free(str); /* fixed two leaks: huzzah! */
1362                                 filteringprop_free(prop);
1363                                 return TRUE;
1364                         }
1365                 }
1366
1367                 g_free(filtering_str);
1368                 g_free(str);
1369                 filteringprop_free(prop); /* fixed a leak: huzzah! */
1370         } else {
1371                 gchar *name, *condition, *action;
1372                 name = gtk_editable_get_chars(GTK_EDITABLE(filtering.name_entry), 0, -1);
1373                 condition = gtk_editable_get_chars(GTK_EDITABLE(filtering.cond_entry), 0, -1);
1374                 action = gtk_editable_get_chars(GTK_EDITABLE(filtering.action_entry), 0, -1);
1375                 if (strlen(name) ||
1376                     strlen(condition) ||
1377                     strlen(action)) {
1378                         val = alertpanel(_("Entry not saved"),
1379                                  _("The entry was not saved. Close anyway?"),
1380                                  GTK_STOCK_CLOSE, _("+_Continue editing"), NULL);
1381                         if (G_ALERTDEFAULT != val) {
1382                                 g_free(name);
1383                                 g_free(condition);
1384                                 g_free(action);
1385                                 return TRUE;
1386                         }
1387                 }
1388                 g_free(name);
1389                 g_free(condition);
1390                 g_free(action);
1391         }
1392         return FALSE;
1393 }
1394
1395 static void prefs_filtering_ok(void)
1396 {
1397         if (prefs_filtering_check_mod(FALSE))
1398                 return;
1399         modified = FALSE;
1400         prefs_filtering_set_list();
1401         prefs_matcher_write_config();
1402         prefs_filtering_close();
1403 }
1404
1405 static void prefs_filtering_cancel(void)
1406 {
1407         if (prefs_filtering_check_mod(TRUE))
1408                 return;
1409         modified = FALSE;
1410         prefs_matcher_read_config();
1411         prefs_filtering_close();
1412 }
1413
1414 static GtkListStore* prefs_filtering_create_data_store(void)
1415 {
1416         return gtk_list_store_new(N_PREFS_FILTERING_COLUMNS,
1417                                   G_TYPE_BOOLEAN,
1418                                   G_TYPE_STRING,
1419                                   G_TYPE_INT,
1420                                   G_TYPE_STRING,
1421                                   G_TYPE_STRING,
1422                                   G_TYPE_BOOLEAN,
1423                                  -1);
1424 }
1425
1426 /*!
1427  *\brief        Insert filtering rule into store. Note that we access the
1428  *              tree view / store by index, which is a bit suboptimal, but
1429  *              at least it made GTK 2 porting easier.
1430  *
1431  *\param        list_store Store to operate on
1432  *\param        row -1 to add a new rule to store, else change an existing
1433  *              row
1434  *\param        enabled TRUE if rule is enabled
1435  *\param        name The Name of rule
1436  *\param        account_id The account ID
1437  *\param        account_name The account name or All or (New)
1438  *\param        rule String representation of rule
1439  *\param        prop TRUE if valid filtering rule; if FALSE it's the first
1440  *              entry in the store ("(New)").
1441  *
1442  *\return       int Row of inserted / changed rule.
1443  */
1444 static gint prefs_filtering_list_view_insert_rule(GtkListStore *list_store,
1445                                                   gint row,
1446                                                   gboolean enabled,
1447                                                   const gchar *name,
1448                                                   gint account_id,
1449                                                   const gchar *account_name,
1450                                                   const gchar *rule,
1451                                                   gboolean prop)
1452 {
1453         GtkTreeIter iter;
1454
1455         /* check if valid row at all */
1456         if (row >= 0) {
1457                 if (!gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(list_store),
1458                                                    &iter, NULL, row))
1459                         row = -1;
1460         }
1461
1462         if (row < 0) {
1463                 /* append new */
1464                 gtk_list_store_append(list_store, &iter);
1465                 gtk_list_store_set(list_store, &iter,
1466                                    PREFS_FILTERING_ENABLED, enabled,
1467                                    PREFS_FILTERING_NAME, name,
1468                                    PREFS_FILTERING_ACCOUNT_ID, account_id,
1469                                    PREFS_FILTERING_ACCOUNT_NAME, account_name,
1470                                    PREFS_FILTERING_RULE, rule,
1471                                    PREFS_FILTERING_PROP, prop,
1472                                    -1);
1473                 return gtk_tree_model_iter_n_children(GTK_TREE_MODEL(list_store),
1474                                                       NULL) - 1;
1475         } else {
1476                 /* change existing */
1477                 gtk_list_store_set(list_store, &iter,
1478                                    PREFS_FILTERING_ENABLED, enabled,
1479                                    PREFS_FILTERING_NAME, name,
1480                                    PREFS_FILTERING_ACCOUNT_ID, account_id,
1481                                    PREFS_FILTERING_ACCOUNT_NAME, account_name,
1482                                    PREFS_FILTERING_RULE, rule,
1483                                    -1);
1484                 return row;
1485         }
1486 }
1487
1488 /*!
1489  *\return       gchar * Rule at specified row - should be freed.
1490  */
1491 static gchar *prefs_filtering_list_view_get_rule(GtkWidget *list, gint row)
1492 {
1493         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1494         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1495         GtkTreeIter iter;
1496         gchar *result;
1497
1498         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1499                 return NULL;
1500
1501         gtk_tree_model_get(model, &iter,
1502                            PREFS_FILTERING_RULE, &result,
1503                            -1);
1504
1505         return result;
1506 }
1507
1508 static void prefs_filtering_list_view_get_rule_info(GtkWidget *list, gint row,
1509                                 gboolean *enabled, gchar **name, gint *account_id)
1510 {
1511         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1512         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1513         GtkTreeIter iter;
1514
1515         *enabled = TRUE;
1516         *name = NULL;
1517
1518         if (gtk_tree_model_iter_nth_child(model, &iter, NULL, row)) {
1519                 gtk_tree_model_get(model, &iter,
1520                                    PREFS_FILTERING_ENABLED, enabled,
1521                                    PREFS_FILTERING_NAME, name,
1522                                    PREFS_FILTERING_ACCOUNT_ID, account_id,
1523                                    -1);
1524         }
1525 }
1526
1527 /*!
1528  *\brief        Create list view for filtering
1529  */
1530 static GtkWidget *prefs_filtering_list_view_create(void)
1531 {
1532         GtkTreeView *list_view;
1533         GtkTreeSelection *selector;
1534
1535         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(GTK_TREE_MODEL
1536                 (prefs_filtering_create_data_store())));
1537
1538         gtk_tree_view_set_rules_hint(list_view, prefs_common.use_stripes_everywhere);
1539         gtk_tree_view_set_reorderable(list_view, TRUE);
1540
1541         selector = gtk_tree_view_get_selection(list_view);
1542         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
1543         gtk_tree_selection_set_select_function(selector, prefs_filtering_selected,
1544                                                NULL, NULL);
1545
1546         /* create the columns */
1547         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view));
1548
1549         return GTK_WIDGET(list_view);
1550 }
1551
1552 static void prefs_filtering_enable_toggled(GtkCellRendererToggle *widget,
1553                 gchar *path,
1554                 GtkWidget *list_view)
1555 {
1556         GtkTreeIter iter;
1557         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(list_view));
1558         gboolean enabled = TRUE;
1559
1560         if (!gtk_tree_model_get_iter_from_string(model, &iter, path))
1561                 return;
1562
1563         gtk_tree_model_get(model, &iter,
1564                            PREFS_FILTERING_ENABLED, &enabled,
1565                            -1);
1566
1567         gtk_list_store_set(GTK_LIST_STORE(model), &iter,
1568                            PREFS_FILTERING_ENABLED, !enabled,
1569                            -1);
1570 }
1571
1572 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view)
1573 {
1574         GtkTreeViewColumn *column;
1575         GtkCellRenderer *renderer;
1576
1577         renderer = gtk_cell_renderer_toggle_new();
1578         g_object_set(renderer,
1579                      "radio", FALSE,
1580                      "activatable", TRUE,
1581                      NULL);
1582         column = gtk_tree_view_column_new_with_attributes
1583                 (_("Enable"), /* FIXME : Enable, Enabled, or 'E' ? */
1584                  renderer,
1585                  "active", PREFS_FILTERING_ENABLED,
1586                  NULL);
1587         gtk_tree_view_column_set_alignment (column, 0.5);
1588         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
1589         g_signal_connect(G_OBJECT(renderer), "toggled",
1590                          G_CALLBACK(prefs_filtering_enable_toggled),
1591                          list_view);
1592
1593         renderer = gtk_cell_renderer_text_new();
1594         column = gtk_tree_view_column_new_with_attributes
1595                 (_("Name"),
1596                  renderer,
1597                  "text", PREFS_FILTERING_NAME,
1598                  NULL);
1599         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
1600         gtk_tree_view_column_set_resizable(column, TRUE);
1601
1602         renderer = gtk_cell_renderer_text_new();
1603         column = gtk_tree_view_column_new_with_attributes
1604                 (_("Account"),
1605                  renderer,
1606                  "text", PREFS_FILTERING_ACCOUNT_NAME,
1607                  NULL);
1608         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
1609         gtk_tree_view_column_set_resizable(column, TRUE);
1610
1611         filtering.account_name_column = column;
1612
1613         renderer = gtk_cell_renderer_text_new();
1614         column = gtk_tree_view_column_new_with_attributes
1615                 (_("Rule"),
1616                  renderer,
1617                  "text", PREFS_FILTERING_RULE,
1618                  NULL);
1619         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
1620 }
1621
1622 /*!
1623  *\brief        Triggered when a row is selected
1624  */
1625 static gboolean prefs_filtering_selected(GtkTreeSelection *selector,
1626                                          GtkTreeModel *model,
1627                                          GtkTreePath *path,
1628                                          gboolean currently_selected,
1629                                          gpointer data)
1630 {
1631         if (currently_selected)
1632                 return TRUE;
1633         else {
1634                 gboolean has_prop  = FALSE;
1635                 GtkTreeIter iter;
1636
1637                 gtk_tree_model_get_iter(model, &iter, path);
1638                 gtk_tree_model_get(model, &iter,
1639                                    PREFS_FILTERING_PROP, &has_prop,
1640                                    -1);
1641
1642                 if (has_prop) {
1643                         FilteringProp *prop;
1644                         gchar *filtering_str = NULL;
1645                         gchar *name = NULL;
1646                         gint account_id = 0;
1647
1648                         gtk_tree_model_get(model, &iter,
1649                                            PREFS_FILTERING_RULE, &filtering_str,
1650                                            -1);
1651                         gtk_tree_model_get(model, &iter,
1652                                            PREFS_FILTERING_NAME, &name,
1653                                            -1);
1654                         gtk_tree_model_get(model, &iter,
1655                                            PREFS_FILTERING_ACCOUNT_ID, &account_id,
1656                                            -1);
1657
1658                         prop = matcher_parser_get_filtering(filtering_str);
1659                         if (prop) {
1660                                 prop->name = g_strdup(name);
1661                                 prop->account_id = account_id;
1662                                 prefs_filtering_select_set(prop);
1663                                 filteringprop_free(prop);
1664                         }
1665                         g_free(name);
1666                         g_free(filtering_str);
1667                 } else
1668                         prefs_filtering_reset_dialog();
1669         }
1670
1671         return TRUE;
1672 }
1673