src/prefs_filtering.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 Hiroyuki Yamamoto and the Sylpheed-Claws team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 <gtk/gtk.h>
  28 #include <gtk/gtkoptionmenu.h>
  29 #include <gdk/gdkkeysyms.h>
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <errno.h>
  34
  35 #include "intl.h"
  36 #include "main.h"
  37 #include "prefs_gtk.h"
  38 #include "prefs_matcher.h"
  39 #include "prefs_filtering.h"
  40 #include "prefs_common.h"
  41 #include "mainwindow.h"
  42 #include "foldersel.h"
  43 #include "manage_window.h"
  44 #include "inc.h"
  45 #include "utils.h"
  46 #include "gtkutils.h"
  47 #include "alertpanel.h"
  48 #include "folder.h"
  49 #include "filtering.h"
  50 #include "addr_compl.h"
  51 #include "colorlabel.h"
  52
  53 #include "matcher_parser.h"
  54 #include "matcher.h"
  55 #include "prefs_filtering_action.h"
  56
  57 enum {
  58         PREFS_FILTERING_RULE,
  59         PREFS_FILTERING_PROP,
  60         N_PREFS_FILTERING_COLUMNS
  61 };
  62
  63 static struct Filtering {
  64         GtkWidget *window;
  65
  66         GtkWidget *ok_btn;
  67         GtkWidget *cond_entry;
  68         GtkWidget *action_entry;
  69
  70         GtkWidget *cond_list_view;
  71 } filtering;
  72
  73 static GSList ** p_processing_list = NULL;
  74
  75 /* widget creating functions */
  76 static void prefs_filtering_create              (void);
  77
  78 static void prefs_filtering_set_dialog  (const gchar *header,
  79                                          const gchar *key);
  80 static void prefs_filtering_set_list    (void);
  81
  82 /* callback functions */
  83 static void prefs_filtering_register_cb (void);
  84 static void prefs_filtering_substitute_cb       (void);
  85 static void prefs_filtering_delete_cb   (void);
  86 static void prefs_filtering_top         (void);
  87 static void prefs_filtering_up          (void);
  88 static void prefs_filtering_down        (void);
  89 static void prefs_filtering_bottom      (void);
  90 static gint prefs_filtering_deleted     (GtkWidget      *widget,
  91                                          GdkEventAny    *event,
  92                                          gpointer        data);
  93 static gboolean prefs_filtering_key_pressed(GtkWidget   *widget,
  94                                          GdkEventKey    *event,
  95                                          gpointer        data);
  96 static void prefs_filtering_cancel      (void);
  97 static void prefs_filtering_ok          (void);
  98
  99 static void prefs_filtering_condition_define    (void);
 100 static void prefs_filtering_action_define(void);
 101 static gint prefs_filtering_list_view_set_row   (gint row, FilteringProp * prop);
 102
 103 static void prefs_filtering_reset_dialog        (void);
 104 static gboolean prefs_filtering_rename_path_func(GNode *node, gpointer data);
 105 static gboolean prefs_filtering_delete_path_func(GNode *node, gpointer data);
 106
 107 static void delete_path(GSList ** p_filters, const gchar * path);
 108
 109
 110 static GtkListStore* prefs_filtering_create_data_store  (void);
 111 static gint prefs_filtering_list_view_insert_rule       (GtkListStore *list_store,
 112                                                          gint row,
 113                                                          const gchar *rule,
 114                                                          gboolean prop);
 115 static gchar *prefs_filtering_list_view_get_rule        (GtkWidget *list,
 116                                                          gint row);
 117
 118 static GtkWidget *prefs_filtering_list_view_create      (void);
 119 static void prefs_filtering_create_list_view_columns    (GtkWidget *list_view);
 120 static gint prefs_filtering_get_selected_row            (GtkWidget *list_view);
 121 static gboolean prefs_filtering_list_view_select_row    (GtkWidget *list, gint row);
 122
 123 static gboolean prefs_filtering_selected                (GtkTreeSelection *selector,
 124                                                          GtkTreeModel *model,
 125                                                          GtkTreePath *path,
 126                                                          gboolean currently_selected,
 127                                                          gpointer data);
 128
 129 void prefs_filtering_open(GSList ** p_processing,
 130                           const gchar * title,
 131                           const gchar *header,
 132                           const gchar *key)
 133 {
 134         if (prefs_rc_is_readonly(FILTERING_RC))
 135                 return;
 136
 137         inc_lock();
 138
 139         if (!filtering.window) {
 140                 prefs_filtering_create();
 141         }
 142
 143         manage_window_set_transient(GTK_WINDOW(filtering.window));
 144         gtk_widget_grab_focus(filtering.ok_btn);
 145
 146         if (title != NULL)
 147                 gtk_window_set_title(GTK_WINDOW(filtering.window), title);
 148         else
 149                 gtk_window_set_title (GTK_WINDOW(filtering.window),
 150                                       _("Filtering/Processing configuration"));
 151
 152         p_processing_list = p_processing;
 153
 154         prefs_filtering_set_dialog(header, key);
 155
 156         gtk_widget_show(filtering.window);
 157
 158         start_address_completion();
 159 }
 160
 161 /* prefs_filtering_close() - just to have one common exit point */
 162 static void prefs_filtering_close(void)
 163 {
 164         end_address_completion();
 165
 166         gtk_widget_hide(filtering.window);
 167         inc_unlock();
 168 }
 169
 170 static void prefs_filtering_create(void)
 171 {
 172         GtkWidget *window;
 173         GtkWidget *vbox;
 174         GtkWidget *ok_btn;
 175         GtkWidget *cancel_btn;
 176         GtkWidget *confirm_area;
 177
 178         GtkWidget *vbox1;
 179         GtkWidget *hbox1;
 180         GtkWidget *reg_hbox;
 181         GtkWidget *arrow;
 182         GtkWidget *btn_hbox;
 183
 184         GtkWidget *cond_label;
 185         GtkWidget *cond_entry;
 186         GtkWidget *cond_btn;
 187         GtkWidget *action_label;
 188         GtkWidget *action_entry;
 189         GtkWidget *action_btn;
 190
 191         GtkWidget *reg_btn;
 192         GtkWidget *subst_btn;
 193         GtkWidget *del_btn;
 194
 195         GtkWidget *cond_hbox;
 196         GtkWidget *cond_scrolledwin;
 197         GtkWidget *cond_list_view;
 198
 199         GtkWidget *btn_vbox;
 200         GtkWidget *spc_vbox;
 201         GtkWidget *top_btn;
 202         GtkWidget *up_btn;
 203         GtkWidget *down_btn;
 204         GtkWidget *bottom_btn;
 205
 206         gchar *title[1];
 207
 208         debug_print("Creating filtering configuration window...\n");
 209
 210         window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 211         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 212         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 213         gtk_window_set_modal (GTK_WINDOW (window), TRUE);
 214         gtk_window_set_resizable(GTK_WINDOW (window), TRUE);
 215
 216         vbox = gtk_vbox_new (FALSE, 6);
 217         gtk_widget_show (vbox);
 218         gtk_container_add (GTK_CONTAINER (window), vbox);
 219
 220         gtkut_button_set_create_stock(&confirm_area, &ok_btn, GTK_STOCK_OK,
 221                                       &cancel_btn, GTK_STOCK_CANCEL, NULL, NULL);
 222         gtk_widget_show (confirm_area);
 223         gtk_box_pack_end (GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 224         gtk_widget_grab_default (ok_btn);
 225
 226         gtk_window_set_title (GTK_WINDOW(window),
 227                                     _("Filtering/Processing configuration"));
 228
 229         g_signal_connect(G_OBJECT(window), "delete_event",
 230                          G_CALLBACK(prefs_filtering_deleted), NULL);
 231         g_signal_connect(G_OBJECT(window), "key_press_event",
 232                          G_CALLBACK(prefs_filtering_key_pressed), NULL);
 233         MANAGE_WINDOW_SIGNALS_CONNECT (window);
 234         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 235                          G_CALLBACK(prefs_filtering_ok), NULL);
 236         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 237                          G_CALLBACK(prefs_filtering_cancel), NULL);
 238
 239         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 240         gtk_widget_show (vbox1);
 241         gtk_box_pack_start (GTK_BOX (vbox), vbox1, TRUE, TRUE, 0);
 242         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 243
 244         cond_label = gtk_label_new (_("Condition"));
 245         gtk_widget_show (cond_label);
 246         gtk_misc_set_alignment (GTK_MISC (cond_label), 0, 0.5);
 247         gtk_box_pack_start (GTK_BOX (vbox1), cond_label, FALSE, FALSE, 0);
 248
 249         hbox1 = gtk_hbox_new (FALSE, VSPACING);
 250         gtk_widget_show (hbox1);
 251         gtk_box_pack_start (GTK_BOX (vbox1), hbox1, FALSE, FALSE, 0);
 252         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 253
 254         cond_entry = gtk_entry_new ();
 255         gtk_widget_show (cond_entry);
 256         gtk_box_pack_start (GTK_BOX (hbox1), cond_entry, TRUE, TRUE, 0);
 257
 258         cond_btn = gtk_button_new_with_label (_("Define ..."));
 259         gtk_widget_show (cond_btn);
 260         gtk_box_pack_start (GTK_BOX (hbox1), cond_btn, FALSE, FALSE, 0);
 261         g_signal_connect(G_OBJECT (cond_btn), "clicked",
 262                          G_CALLBACK(prefs_filtering_condition_define),
 263                          NULL);
 264
 265         action_label = gtk_label_new (_("Action"));
 266         gtk_widget_show (action_label);
 267         gtk_misc_set_alignment (GTK_MISC (action_label), 0, 0.5);
 268         gtk_box_pack_start (GTK_BOX (vbox1), action_label, FALSE, FALSE, 0);
 269
 270         hbox1 = gtk_hbox_new (FALSE, VSPACING);
 271         gtk_widget_show (hbox1);
 272         gtk_box_pack_start (GTK_BOX (vbox1), hbox1, FALSE, FALSE, 0);
 273         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 274
 275         action_entry = gtk_entry_new ();
 276         gtk_widget_show (action_entry);
 277         gtk_box_pack_start (GTK_BOX (hbox1), action_entry, TRUE, TRUE, 0);
 278
 279         action_btn = gtk_button_new_with_label (_("Define ..."));
 280         gtk_widget_show (action_btn);
 281         gtk_box_pack_start (GTK_BOX (hbox1), action_btn, FALSE, FALSE, 0);
 282         g_signal_connect(G_OBJECT (action_btn), "clicked",
 283                          G_CALLBACK(prefs_filtering_action_define),
 284                          NULL);
 285
 286         /* register / substitute / delete */
 287
 288         reg_hbox = gtk_hbox_new (FALSE, 4);
 289         gtk_widget_show (reg_hbox);
 290         gtk_box_pack_start (GTK_BOX (vbox1), reg_hbox, FALSE, FALSE, 0);
 291
 292         arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 293         gtk_widget_show (arrow);
 294         gtk_box_pack_start (GTK_BOX (reg_hbox), arrow, FALSE, FALSE, 0);
 295         gtk_widget_set_usize (arrow, -1, 16);
 296
 297         btn_hbox = gtk_hbox_new (TRUE, 4);
 298         gtk_widget_show (btn_hbox);
 299         gtk_box_pack_start (GTK_BOX (reg_hbox), btn_hbox, FALSE, FALSE, 0);
 300
 301         reg_btn = gtk_button_new_from_stock (GTK_STOCK_ADD);
 302         gtk_widget_show (reg_btn);
 303         gtk_box_pack_start (GTK_BOX (btn_hbox), reg_btn, FALSE, TRUE, 0);
 304         g_signal_connect(G_OBJECT (reg_btn), "clicked",
 305                          G_CALLBACK(prefs_filtering_register_cb), NULL);
 306
 307         subst_btn = gtk_button_new_with_label (_("  Replace  "));
 308         gtk_widget_show (subst_btn);
 309         gtk_box_pack_start (GTK_BOX (btn_hbox), subst_btn, FALSE, TRUE, 0);
 310         g_signal_connect(G_OBJECT (subst_btn), "clicked",
 311                          G_CALLBACK(prefs_filtering_substitute_cb),
 312                          NULL);
 313
 314         del_btn = gtk_button_new_from_stock (GTK_STOCK_REMOVE);
 315         gtk_widget_show (del_btn);
 316         gtk_box_pack_start (GTK_BOX (btn_hbox), del_btn, FALSE, TRUE, 0);
 317         g_signal_connect(G_OBJECT (del_btn), "clicked",
 318                         G_CALLBACK(prefs_filtering_delete_cb), NULL);
 319
 320         cond_hbox = gtk_hbox_new (FALSE, 8);
 321         gtk_widget_show (cond_hbox);
 322         gtk_box_pack_start (GTK_BOX (vbox1), cond_hbox, TRUE, TRUE, 0);
 323
 324         cond_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 325         gtk_widget_show (cond_scrolledwin);
 326         gtk_widget_set_usize (cond_scrolledwin, -1, 150);
 327         gtk_box_pack_start (GTK_BOX (cond_hbox), cond_scrolledwin,
 328                             TRUE, TRUE, 0);
 329         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (cond_scrolledwin),
 330                                         GTK_POLICY_AUTOMATIC,
 331                                         GTK_POLICY_AUTOMATIC);
 332
 333         cond_list_view = prefs_filtering_list_view_create();
 334         gtk_widget_show (cond_list_view);
 335         gtk_container_add (GTK_CONTAINER (cond_scrolledwin), cond_list_view);
 336
 337         btn_vbox = gtk_vbox_new (FALSE, 8);
 338         gtk_widget_show (btn_vbox);
 339         gtk_box_pack_start (GTK_BOX (cond_hbox), btn_vbox, FALSE, FALSE, 0);
 340
 341         top_btn = gtk_button_new_from_stock (GTK_STOCK_GOTO_TOP);
 342         gtk_widget_show (top_btn);
 343         gtk_box_pack_start (GTK_BOX (btn_vbox), top_btn, FALSE, FALSE, 0);
 344         g_signal_connect(G_OBJECT (top_btn), "clicked",
 345                          G_CALLBACK(prefs_filtering_top), NULL);
 346
 347         PACK_VSPACER (btn_vbox, spc_vbox, VSPACING_NARROW_2);
 348
 349         up_btn = gtk_button_new_from_stock (GTK_STOCK_GO_UP);
 350         gtk_widget_show (up_btn);
 351         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 352         g_signal_connect(G_OBJECT (up_btn), "clicked",
 353                          G_CALLBACK(prefs_filtering_up), NULL);
 354
 355         down_btn = gtk_button_new_from_stock (GTK_STOCK_GO_DOWN);
 356         gtk_widget_show (down_btn);
 357         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 358         g_signal_connect(G_OBJECT (down_btn), "clicked",
 359                          G_CALLBACK(prefs_filtering_down), NULL);
 360
 361         PACK_VSPACER (btn_vbox, spc_vbox, VSPACING_NARROW_2);
 362
 363         bottom_btn = gtk_button_new_from_stock (GTK_STOCK_GOTO_BOTTOM);
 364         gtk_widget_show (bottom_btn);
 365         gtk_box_pack_start (GTK_BOX (btn_vbox), bottom_btn, FALSE, FALSE, 0);
 366         g_signal_connect(G_OBJECT (bottom_btn), "clicked",
 367                          G_CALLBACK(prefs_filtering_bottom), NULL);
 368
 369         gtk_widget_set_usize(window, 500, -1);
 370
 371         gtk_widget_show_all(window);
 372
 373         filtering.window    = window;
 374         filtering.ok_btn = ok_btn;
 375
 376         filtering.cond_entry     = cond_entry;
 377         filtering.action_entry   = action_entry;
 378         filtering.cond_list_view = cond_list_view;
 379 }
 380
 381 static void rename_path(GSList * filters,
 382                         const gchar * old_path, const gchar * new_path);
 383
 384 void prefs_filtering_rename_path(const gchar *old_path, const gchar *new_path)
 385 {
 386         GList * cur;
 387         const gchar *paths[2] = {NULL, NULL};
 388         paths[0] = old_path;
 389         paths[1] = new_path;
 390         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
 391                 Folder *folder;
 392                 folder = (Folder *) cur->data;
 393                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 394                                 prefs_filtering_rename_path_func, paths);
 395         }
 396
 397         rename_path(pre_global_processing, old_path, new_path);
 398         rename_path(post_global_processing, old_path, new_path);
 399         rename_path(filtering_rules, old_path, new_path);
 400
 401         prefs_matcher_write_config();
 402 }
 403
 404 static void rename_path(GSList * filters,
 405                         const gchar * old_path, const gchar * new_path)
 406 {
 407         gchar *base;
 408         gchar *prefix;
 409         gchar *suffix;
 410         gchar *dest_path;
 411         gchar *old_path_with_sep;
 412         gint destlen;
 413         gint prefixlen;
 414         gint oldpathlen;
 415         GSList * action_cur;
 416         GSList * cur;
 417
 418         oldpathlen = strlen(old_path);
 419         old_path_with_sep = g_strconcat(old_path,G_DIR_SEPARATOR_S,NULL);
 420
 421         for (cur = filters; cur != NULL; cur = cur->next) {
 422                 FilteringProp   *filtering = (FilteringProp *)cur->data;
 423
 424                 for(action_cur = filtering->action_list ; action_cur != NULL ;
 425                     action_cur = action_cur->next) {
 426
 427                         FilteringAction *action = action_cur->data;
 428
 429                         if (!action->destination) continue;
 430
 431                         destlen = strlen(action->destination);
 432
 433                         if (destlen > oldpathlen) {
 434                                 prefixlen = destlen - oldpathlen;
 435                                 suffix = action->destination + prefixlen;
 436
 437                                 if (!strncmp(old_path, suffix, oldpathlen)) {
 438                                         prefix = g_malloc0(prefixlen + 1);
 439                                         strncpy2(prefix, action->destination, prefixlen);
 440
 441                                         base = suffix + oldpathlen;
 442                                         while (*base == G_DIR_SEPARATOR) base++;
 443                                         if (*base == '\0')
 444                                                 dest_path = g_strconcat(prefix,
 445                                                     G_DIR_SEPARATOR_S,
 446                                                     new_path, NULL);
 447                                         else
 448                                                 dest_path = g_strconcat(prefix,
 449                                                     G_DIR_SEPARATOR_S,
 450                                                     new_path,
 451                                                     G_DIR_SEPARATOR_S,
 452                                                     base, NULL);
 453
 454                                         g_free(prefix);
 455                                         g_free(action->destination);
 456                                         action->destination = dest_path;
 457                                 } else { /* for non-leaf folders */
 458                                         /* compare with trailing slash */
 459                                         if (!strncmp(old_path_with_sep, action->destination, oldpathlen+1)) {
 460
 461                                                 suffix = action->destination + oldpathlen + 1;
 462                                                 dest_path = g_strconcat(new_path,
 463                                                     G_DIR_SEPARATOR_S,
 464                                                     suffix, NULL);
 465                                                 g_free(action->destination);
 466                                                 action->destination = dest_path;
 467                                         }
 468                                 }
 469                         } else {
 470                                 /* folder-moving a leaf */
 471                                 if (!strcmp(old_path, action->destination)) {
 472                                         dest_path = g_strdup(new_path);
 473                                         g_free(action->destination);
 474                                         action->destination = dest_path;
 475                                 }
 476                         }
 477                 }
 478         }
 479 }
 480
 481 static gboolean prefs_filtering_rename_path_func(GNode *node, gpointer data)
 482 {
 483         GSList *filters;
 484         const gchar * old_path;
 485         const gchar * new_path;
 486         const gchar ** paths;
 487         FolderItem *item;
 488
 489         paths = data;
 490         old_path = paths[0];
 491         new_path = paths[1];
 492
 493         g_return_val_if_fail(old_path != NULL, FALSE);
 494         g_return_val_if_fail(new_path != NULL, FALSE);
 495         g_return_val_if_fail(node != NULL, FALSE);
 496
 497         item = node->data;
 498         if (!item || !item->prefs)
 499                 return FALSE;
 500         filters = item->prefs->processing;
 501
 502         rename_path(filters, old_path, new_path);
 503
 504         return FALSE;
 505 }
 506
 507 void prefs_filtering_delete_path(const gchar *path)
 508 {
 509         GList * cur;
 510         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
 511                 Folder *folder;
 512                 folder = (Folder *) cur->data;
 513                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 514                                 prefs_filtering_delete_path_func, (gchar *)path);
 515         }
 516         delete_path(&pre_global_processing, path);
 517         delete_path(&post_global_processing, path);
 518         delete_path(&filtering_rules, path);
 519
 520         prefs_matcher_write_config();
 521 }
 522
 523 static void delete_path(GSList ** p_filters, const gchar * path)
 524 {
 525         GSList * filters;
 526         GSList * duplist;
 527         gchar *suffix;
 528         gint destlen;
 529         gint prefixlen;
 530         gint pathlen;
 531         GSList * action_cur;
 532         GSList * cur;
 533
 534         filters = *p_filters;
 535         pathlen = strlen(path);
 536         duplist = g_slist_copy(filters);
 537         for (cur = duplist ; cur != NULL; cur = g_slist_next(cur)) {
 538                 FilteringProp *filtering = (FilteringProp *) cur->data;
 539
 540                 for(action_cur = filtering->action_list ; action_cur != NULL ;
 541                     action_cur = action_cur->next) {
 542
 543                         FilteringAction *action;
 544
 545                         action = action_cur->data;
 546
 547                         if (!action->destination) continue;
 548
 549                         destlen = strlen(action->destination);
 550
 551                         if (destlen > pathlen) {
 552                                 prefixlen = destlen - pathlen;
 553                                 suffix = action->destination + prefixlen;
 554
 555                                 if (suffix && !strncmp(path, suffix, pathlen)) {
 556                                         filteringprop_free(filtering);
 557                                         filters = g_slist_remove(filters, filtering);
 558                                 }
 559                         } else if (strcmp(action->destination, path) == 0) {
 560                                 filteringprop_free(filtering);
 561                                 filters = g_slist_remove(filters, filtering);
 562                         }
 563                 }
 564         }
 565         g_slist_free(duplist);
 566
 567         * p_filters = filters;
 568 }
 569
 570 static gboolean prefs_filtering_delete_path_func(GNode *node, gpointer data)
 571 {
 572         const gchar *path = data;
 573         FolderItem *item;
 574         GSList ** p_filters;
 575
 576         g_return_val_if_fail(path != NULL, FALSE);
 577         g_return_val_if_fail(node != NULL, FALSE);
 578
 579         item = node->data;
 580         if (!item || !item->prefs)
 581                 return FALSE;
 582         p_filters = &item->prefs->processing;
 583
 584         delete_path(p_filters, path);
 585
 586         return FALSE;
 587 }
 588
 589 static void prefs_filtering_set_dialog(const gchar *header, const gchar *key)
 590 {
 591         GtkTreeView *list_view = GTK_TREE_VIEW(filtering.cond_list_view);
 592         GSList *cur;
 593         GSList * prefs_filtering;
 594         gchar *cond_str;
 595         gint row;
 596         GtkListStore *list_store;
 597
 598         list_store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 599         gtk_list_store_clear(list_store);
 600
 601         /* add the place holder (New) at row 0 */
 602         prefs_filtering_list_view_insert_rule(list_store, -1,
 603                                               _("(New)"),
 604                                               FALSE);
 605
 606         prefs_filtering = *p_processing_list;
 607
 608         for(cur = prefs_filtering ; cur != NULL ; cur = g_slist_next(cur)) {
 609                 FilteringProp * prop = (FilteringProp *) cur->data;
 610
 611                 cond_str = filteringprop_to_string(prop);
 612                 subst_char(cond_str, '\t', ':');
 613
 614                 prefs_filtering_list_view_insert_rule(list_store, -1,
 615                                                       cond_str, TRUE);
 616
 617                 g_free(cond_str);
 618         }
 619
 620         prefs_filtering_reset_dialog();
 621
 622         if (header && key) {
 623                 gchar * quoted_key;
 624                 gchar *match_str;
 625
 626                 quoted_key = matcher_quote_str(key);
 627
 628                 match_str = g_strconcat(header, " ", get_matchparser_tab_str(MATCHTYPE_MATCHCASE),
 629                                         " \"", quoted_key, "\"", NULL);
 630                 g_free(quoted_key);
 631
 632                 gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), match_str);
 633                 g_free(match_str);
 634         }
 635 }
 636
 637 static void prefs_filtering_reset_dialog(void)
 638 {
 639         gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), "");
 640         gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), "");
 641 }
 642
 643 static void prefs_filtering_set_list(void)
 644 {
 645         gint row = 1;
 646         FilteringProp *prop;
 647         GSList * cur;
 648         gchar * filtering_str;
 649         GSList * prefs_filtering;
 650
 651         prefs_filtering = *p_processing_list;
 652         for (cur = prefs_filtering ; cur != NULL ; cur = g_slist_next(cur))
 653                 filteringprop_free((FilteringProp *) cur->data);
 654         g_slist_free(prefs_filtering);
 655         prefs_filtering = NULL;
 656
 657
 658         while (NULL != (filtering_str = prefs_filtering_list_view_get_rule
 659                                                 (filtering.cond_list_view, row))) {
 660                 /* FIXME: this strcmp() is bogus: "(New)" should never
 661                  * be inserted in the storage */
 662                 if (strcmp(filtering_str, _("(New)")) != 0) {
 663                         prop = matcher_parser_get_filtering(filtering_str);
 664                         g_free(filtering_str);
 665                         if (prop)
 666                                 prefs_filtering =
 667                                         g_slist_append(prefs_filtering, prop);
 668                 }
 669
 670                 row++;
 671         }
 672
 673         *p_processing_list = prefs_filtering;
 674 }
 675
 676 static gint prefs_filtering_list_view_set_row(gint row, FilteringProp * prop)
 677 {
 678         GtkTreeView *list_view = GTK_TREE_VIEW(filtering.cond_list_view);
 679         gchar *str;
 680         GtkListStore *list_store;
 681
 682         str = filteringprop_to_string(prop);
 683         if (str == NULL)
 684                 return -1;
 685
 686         list_store = GTK_LIST_STORE(gtk_tree_view_get_model(list_view));
 687
 688         row = prefs_filtering_list_view_insert_rule(list_store, row, str, prop != NULL);
 689
 690         g_free(str);
 691
 692         return row;
 693 }
 694
 695 static void prefs_filtering_condition_define_done(MatcherList * matchers)
 696 {
 697         gchar * str;
 698
 699         if (matchers == NULL)
 700                 return;
 701
 702         str = matcherlist_to_string(matchers);
 703
 704         if (str != NULL) {
 705                 gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), str);
 706                 g_free(str);
 707         }
 708 }
 709
 710 static void prefs_filtering_condition_define(void)
 711 {
 712         gchar * cond_str;
 713         MatcherList * matchers = NULL;
 714
 715         cond_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.cond_entry), 0, -1);
 716
 717         if (*cond_str != '\0') {
 718                 matchers = matcher_parser_get_cond(cond_str);
 719                 if (matchers == NULL)
 720                         alertpanel_error(_("Condition string is not valid."));
 721         }
 722
 723         g_free(cond_str);
 724
 725         prefs_matcher_open(matchers, prefs_filtering_condition_define_done);
 726
 727         if (matchers != NULL)
 728                 matcherlist_free(matchers);
 729 }
 730
 731 static void prefs_filtering_action_define_done(GSList * action_list)
 732 {
 733         gchar * str;
 734
 735         if (action_list == NULL)
 736                 return;
 737
 738         str = filteringaction_list_to_string(action_list);
 739
 740         if (str != NULL) {
 741                 gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), str);
 742                 g_free(str);
 743         }
 744 }
 745
 746 static void prefs_filtering_action_define(void)
 747 {
 748         gchar * action_str;
 749         GSList * action_list = NULL;
 750
 751         action_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.action_entry), 0, -1);
 752
 753         if (*action_str != '\0') {
 754                 action_list = matcher_parser_get_action_list(action_str);
 755                 if (action_list == NULL)
 756                         alertpanel_error(_("Action string is not valid."));
 757         }
 758
 759         g_free(action_str);
 760
 761         prefs_filtering_action_open(action_list,
 762             prefs_filtering_action_define_done);
 763
 764         if (action_list != NULL) {
 765                 GSList * cur;
 766                 for(cur = action_list ; cur != NULL ; cur = cur->next) {
 767                         filteringaction_free(cur->data);
 768                 }
 769         }
 770 }
 771
 772
 773 /* register / substitute delete buttons */
 774
 775
 776 static FilteringProp * prefs_filtering_dialog_to_filtering(gboolean alert)
 777 {
 778         MatcherList * cond;
 779         gchar * cond_str = NULL;
 780         gchar * action_str = NULL;
 781         FilteringProp * prop = NULL;
 782         GSList * action_list;
 783
 784         cond_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.cond_entry), 0, -1);
 785         if (*cond_str == '\0') {
 786                 if(alert == TRUE) alertpanel_error(_("Condition string is empty."));
 787                 goto fail;
 788         }
 789
 790         action_str = gtk_editable_get_chars(GTK_EDITABLE(filtering.action_entry), 0, -1);
 791         if (*action_str == '\0') {
 792                 if(alert == TRUE) alertpanel_error(_("Action string is empty."));
 793                 goto fail;
 794         }
 795
 796         cond = matcher_parser_get_cond(cond_str);
 797
 798         if (cond == NULL) {
 799                 if(alert == TRUE) alertpanel_error(_("Condition string is not valid."));
 800                 goto fail;
 801         }
 802
 803         action_list = matcher_parser_get_action_list(action_str);
 804
 805
 806         if (action_list == NULL) {
 807                 if(alert == TRUE) alertpanel_error(_("Action string is not valid."));
 808                 goto fail;
 809         }
 810
 811         prop = filteringprop_new(cond, action_list);
 812
 813 fail:
 814         g_free(cond_str);
 815         g_free(action_str);
 816         return prop;
 817 }
 818
 819 static void prefs_filtering_register_cb(void)
 820 {
 821         FilteringProp * prop;
 822
 823         prop = prefs_filtering_dialog_to_filtering(TRUE);
 824         if (prop == NULL)
 825                 return;
 826         prefs_filtering_list_view_set_row(-1, prop);
 827
 828         filteringprop_free(prop);
 829 }
 830
 831 static void prefs_filtering_substitute_cb(void)
 832 {
 833         gint selected_row = prefs_filtering_get_selected_row
 834                 (filtering.cond_list_view);
 835         FilteringProp *prop;
 836
 837         if (selected_row <= 0)
 838                 return;
 839
 840         prop = prefs_filtering_dialog_to_filtering(TRUE);
 841         if (prop == NULL)
 842                 return;
 843         prefs_filtering_list_view_set_row(selected_row, prop);
 844
 845         filteringprop_free(prop);
 846 }
 847
 848 static void prefs_filtering_delete_cb(void)
 849 {
 850         GtkTreeView *list_view = GTK_TREE_VIEW(filtering.cond_list_view);
 851         GtkTreeModel *model;
 852         GtkTreeIter iter;
 853         gint row;
 854
 855         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
 856         if (row <= 0)
 857                 return;
 858
 859         if (alertpanel(_("Delete rule"),
 860                        _("Do you really want to delete this rule?"),
 861                        _("Yes"), _("No"), NULL) == G_ALERTALTERNATE)
 862                 return;
 863
 864         model = gtk_tree_view_get_model(list_view);
 865         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
 866                 return;
 867
 868         gtk_list_store_remove(GTK_LIST_STORE(model), &iter);
 869
 870         prefs_filtering_reset_dialog();
 871 }
 872
 873 static void prefs_filtering_top(void)
 874 {
 875         gint row;
 876         GtkTreeIter top, sel;
 877         GtkTreeModel *model;
 878
 879         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
 880         if (row <= 1)
 881                 return;
 882
 883         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
 884
 885         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, 0)
 886         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, row))
 887                 return;
 888
 889         gtk_list_store_move_after(GTK_LIST_STORE(model), &sel, &top);
 890         prefs_filtering_list_view_select_row(filtering.cond_list_view, 1);
 891 }
 892
 893 static void prefs_filtering_up(void)
 894 {
 895         gint row;
 896         GtkTreeIter top, sel;
 897         GtkTreeModel *model;
 898
 899         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
 900         if (row <= 1)
 901                 return;
 902
 903         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
 904
 905         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, row - 1)
 906         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, row))
 907                 return;
 908
 909         gtk_list_store_swap(GTK_LIST_STORE(model), &top, &sel);
 910         prefs_filtering_list_view_select_row(filtering.cond_list_view, row - 1);
 911 }
 912
 913 static void prefs_filtering_down(void)
 914 {
 915         gint row, n_rows;
 916         GtkTreeIter top, sel;
 917         GtkTreeModel *model;
 918
 919         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
 920         n_rows = gtk_tree_model_iter_n_children(model, NULL);
 921         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
 922         if (row < 1 || row >= n_rows - 1)
 923                 return;
 924
 925         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, row)
 926         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, row + 1))
 927                 return;
 928
 929         gtk_list_store_swap(GTK_LIST_STORE(model), &top, &sel);
 930         prefs_filtering_list_view_select_row(filtering.cond_list_view, row + 1);
 931 }
 932
 933 static void prefs_filtering_bottom(void)
 934 {
 935         gint row, n_rows;
 936         GtkTreeIter top, sel;
 937         GtkTreeModel *model;
 938
 939         model = gtk_tree_view_get_model(GTK_TREE_VIEW(filtering.cond_list_view));
 940         n_rows = gtk_tree_model_iter_n_children(model, NULL);
 941         row = prefs_filtering_get_selected_row(filtering.cond_list_view);
 942         if (row < 1 || row >= n_rows - 1)
 943                 return;
 944
 945         if (!gtk_tree_model_iter_nth_child(model, &top, NULL, row)
 946         ||  !gtk_tree_model_iter_nth_child(model, &sel, NULL, n_rows - 1))
 947                 return;
 948
 949         gtk_list_store_move_after(GTK_LIST_STORE(model), &top, &sel);
 950         prefs_filtering_list_view_select_row(filtering.cond_list_view, n_rows - 1);
 951 }
 952
 953 static void prefs_filtering_select_set(FilteringProp *prop)
 954 {
 955         gchar *matcher_str;
 956         gchar *action_str;
 957
 958         prefs_filtering_reset_dialog();
 959
 960         matcher_str = matcherlist_to_string(prop->matchers);
 961         if (matcher_str == NULL) {
 962                 return;
 963         }
 964
 965         gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), matcher_str);
 966
 967         action_str = filteringaction_list_to_string(prop->action_list);
 968         if (matcher_str == NULL) {
 969                 return;
 970         }
 971         gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), action_str);
 972
 973         g_free(action_str);
 974         g_free(matcher_str);
 975 }
 976
 977 static gint prefs_filtering_deleted(GtkWidget *widget, GdkEventAny *event,
 978                                  gpointer data)
 979 {
 980         prefs_filtering_cancel();
 981         return TRUE;
 982 }
 983
 984 static gboolean prefs_filtering_key_pressed(GtkWidget *widget, GdkEventKey *event,
 985                                      gpointer data)
 986 {
 987         if (event && event->keyval == GDK_Escape) {
 988                 prefs_filtering_cancel();
 989                 return TRUE;
 990         }
 991         return FALSE;
 992 }
 993
 994 static void prefs_filtering_ok(void)
 995 {
 996         FilteringProp * prop;
 997         gchar * str;
 998         gchar * filtering_str;
 999         gint row = 1;
1000         AlertValue val;
1001
1002         prop = prefs_filtering_dialog_to_filtering(FALSE);
1003         if (prop != NULL) {
1004                 str = filteringprop_to_string(prop);
1005
1006                 while (NULL != (filtering_str = (prefs_filtering_list_view_get_rule
1007                                                         (filtering.cond_list_view,
1008                                                          row)))) {
1009                         if (strcmp(filtering_str, str) == 0)
1010                                 break;
1011                         row++;
1012                         g_free(filtering_str);
1013                 }
1014
1015                 if (!filtering_str) {
1016                         val = alertpanel(_("Entry not saved"),
1017                                  _("The entry was not saved. Close anyway?"),
1018                                  _("Yes"), _("No"), NULL);
1019                         if (G_ALERTDEFAULT != val) {
1020                                 g_free(filtering_str);
1021                                 g_free(str); /* fixed two leaks: huzzah! */
1022                                 filteringprop_free(prop);
1023                                 return;
1024                         }
1025                 }
1026
1027                 g_free(filtering_str);
1028                 g_free(str);
1029                 filteringprop_free(prop); /* fixed a leak: huzzah! */
1030         }
1031         prefs_filtering_set_list();
1032         prefs_matcher_write_config();
1033         prefs_filtering_close();
1034 }
1035
1036 static void prefs_filtering_cancel(void)
1037 {
1038         prefs_matcher_read_config();
1039         prefs_filtering_close();
1040 }
1041
1042 static GtkListStore* prefs_filtering_create_data_store(void)
1043 {
1044         return gtk_list_store_new(N_PREFS_FILTERING_COLUMNS,
1045                                   G_TYPE_STRING,
1046                                   G_TYPE_BOOLEAN,
1047                                  -1);
1048 }
1049
1050 /*!
1051  *\brief        Insert filtering rule into store. Note that we access the
1052  *              tree view / store by index, which is a bit suboptimal, but
1053  *              at least it made GTK 2 porting easier.
1054  *
1055  *\param        list_store Store to operate on
1056  *\param        row -1 to add a new rule to store, else change an existing
1057  *              row
1058  *\param        rule String representation of rule
1059  *\param        prop TRUE if valid filtering rule; if FALSE it's the first
1060  *              entry in the store ("(New)").
1061  *
1062  *\return       int Row of inserted / changed rule.
1063  */
1064 static gint prefs_filtering_list_view_insert_rule(GtkListStore *list_store,
1065                                                   gint row,
1066                                                   const gchar *rule,
1067                                                   gboolean prop)
1068 {
1069         GtkTreeIter iter;
1070
1071         /* check if valid row at all */
1072         if (row >= 0) {
1073                 if (!gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(list_store),
1074                                                    &iter, NULL, row))
1075                         row = -1;
1076         }
1077
1078         if (row < 0) {
1079                 /* append new */
1080                 gtk_list_store_append(list_store, &iter);
1081                 gtk_list_store_set(list_store, &iter,
1082                                    PREFS_FILTERING_RULE, rule,
1083                                    PREFS_FILTERING_PROP, prop,
1084                                    -1);
1085                 return gtk_tree_model_iter_n_children(GTK_TREE_MODEL(list_store),
1086                                                       NULL) - 1;
1087         } else {
1088                 /* change existing */
1089                 gtk_list_store_set(list_store, &iter,
1090                                    PREFS_FILTERING_RULE, rule,
1091                                    -1);
1092                 return row;
1093         }
1094 }
1095
1096 /*!
1097  *\return       gchar * Rule at specified row - should be freed.
1098  */
1099 static gchar *prefs_filtering_list_view_get_rule(GtkWidget *list, gint row)
1100 {
1101         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1102         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1103         GtkTreeIter iter;
1104         gchar *result;
1105
1106         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1107                 return NULL;
1108
1109         gtk_tree_model_get(model, &iter,
1110                            PREFS_FILTERING_RULE, &result,
1111                            -1);
1112
1113         return result;
1114 }
1115
1116 /*!
1117  *\brief        Create list view for filtering
1118  */
1119 static GtkWidget *prefs_filtering_list_view_create(void)
1120 {
1121         GtkTreeView *list_view;
1122         GtkTreeSelection *selector;
1123
1124         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(GTK_TREE_MODEL
1125                 (prefs_filtering_create_data_store())));
1126
1127         gtk_tree_view_set_rules_hint(list_view, TRUE);
1128
1129         selector = gtk_tree_view_get_selection(list_view);
1130         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
1131         gtk_tree_selection_set_select_function(selector, prefs_filtering_selected,
1132                                                NULL, NULL);
1133
1134         /* create the columns */
1135         prefs_filtering_create_list_view_columns(GTK_WIDGET(list_view));
1136
1137         return GTK_WIDGET(list_view);
1138 }
1139
1140 static void prefs_filtering_create_list_view_columns(GtkWidget *list_view)
1141 {
1142         GtkTreeViewColumn *column;
1143         GtkCellRenderer *renderer;
1144
1145         renderer = gtk_cell_renderer_text_new();
1146         column = gtk_tree_view_column_new_with_attributes
1147                 (_("Current filtering/processing rules"),
1148                  renderer,
1149                  "text", PREFS_FILTERING_RULE,
1150                  NULL);
1151         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
1152 }
1153
1154 static gboolean gtkut_tree_iter_comp(GtkTreeModel *model,
1155                                      GtkTreeIter *iter1,
1156                                      GtkTreeIter *iter2)
1157 {
1158         GtkTreePath *path1 = gtk_tree_model_get_path(model, iter1);
1159         GtkTreePath *path2 = gtk_tree_model_get_path(model, iter2);
1160         gboolean result;
1161
1162         result = gtk_tree_path_compare(path1, path2) == 0;
1163
1164         gtk_tree_path_free(path1);
1165         gtk_tree_path_free(path2);
1166
1167         return result;
1168 }
1169
1170 /*!
1171  *\brief        Get selected row number.
1172  */
1173 static gint prefs_filtering_get_selected_row(GtkWidget *list_view)
1174 {
1175         GtkTreeView *view = GTK_TREE_VIEW(list_view);
1176         GtkTreeModel *model = gtk_tree_view_get_model(view);
1177         int n_rows = gtk_tree_model_iter_n_children(model, NULL);
1178         GtkTreeSelection *selection;
1179         GtkTreeIter iter;
1180         int row;
1181
1182         if (n_rows == 0)
1183                 return -1;
1184
1185         selection = gtk_tree_view_get_selection(view);
1186         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1187                 return -1;
1188
1189         /* get all iterators and compare them... */
1190         for (row = 0; row < n_rows; row++) {
1191                 GtkTreeIter itern;
1192
1193                 gtk_tree_model_iter_nth_child(model, &itern, NULL, row);
1194                 if (gtkut_tree_iter_comp(model, &iter, &itern))
1195                         return row;
1196         }
1197
1198         return -1;
1199 }
1200
1201 static gboolean prefs_filtering_list_view_select_row(GtkWidget *list, gint row)
1202 {
1203         GtkTreeView *list_view = GTK_TREE_VIEW(list);
1204         GtkTreeSelection *selection = gtk_tree_view_get_selection(list_view);
1205         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
1206         GtkTreeIter iter;
1207         GtkTreePath *path;
1208
1209         if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, row))
1210                 return FALSE;
1211
1212         gtk_tree_selection_select_iter(selection, &iter);
1213
1214         path = gtk_tree_model_get_path(model, &iter);
1215         gtk_tree_view_set_cursor(list_view, path, NULL, FALSE);
1216         gtk_tree_path_free(path);
1217
1218         return TRUE;
1219 }
1220
1221 /*!
1222  *\brief        Triggered when a row is selected
1223  */
1224 static gboolean prefs_filtering_selected(GtkTreeSelection *selector,
1225                                          GtkTreeModel *model,
1226                                          GtkTreePath *path,
1227                                          gboolean currently_selected,
1228                                          gpointer data)
1229 {
1230         if (currently_selected)
1231                 return TRUE;
1232         else {
1233                 gboolean has_prop  = FALSE;
1234                 GtkTreeIter iter;
1235
1236                 gtk_tree_model_get_iter(model, &iter, path);
1237                 gtk_tree_model_get(model, &iter,
1238                                    PREFS_FILTERING_PROP, &has_prop,
1239                                    -1);
1240
1241                 if (has_prop) {
1242                         FilteringProp *prop;
1243                         gchar *filtering_str = NULL;
1244
1245                         gtk_tree_model_get(model, &iter,
1246                                            PREFS_FILTERING_RULE, &filtering_str,
1247                                            -1);
1248
1249                         prop = matcher_parser_get_filtering(filtering_str);
1250                         if (prop) {
1251                                 prefs_filtering_select_set(prop);
1252                                 filteringprop_free(prop);
1253                         }
1254
1255                         g_free(filtering_str);
1256                 } else
1257                         prefs_filtering_reset_dialog();
1258         }
1259
1260         return TRUE;
1261 }
1262