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 static struct Filtering {
  58         GtkWidget *window;
  59
  60         GtkWidget *ok_btn;
  61         GtkWidget *cond_entry;
  62         GtkWidget *action_entry;
  63
  64         GtkWidget *cond_clist;
  65 } filtering;
  66
  67 static GSList ** p_processing_list = NULL;
  68
  69 /* widget creating functions */
  70 static void prefs_filtering_create              (void);
  71
  72 static void prefs_filtering_set_dialog  (const gchar *header,
  73                                          const gchar *key);
  74 static void prefs_filtering_set_list    (void);
  75
  76 /* callback functions */
  77 static void prefs_filtering_register_cb (void);
  78 static void prefs_filtering_substitute_cb       (void);
  79 static void prefs_filtering_delete_cb   (void);
  80 static void prefs_filtering_top         (void);
  81 static void prefs_filtering_up          (void);
  82 static void prefs_filtering_down        (void);
  83 static void prefs_filtering_bottom      (void);
  84 static void prefs_filtering_select      (GtkCList       *clist,
  85                                          gint            row,
  86                                          gint            column,
  87                                          GdkEvent       *event);
  88
  89 static gint prefs_filtering_deleted     (GtkWidget      *widget,
  90                                          GdkEventAny    *event,
  91                                          gpointer        data);
  92 static gboolean prefs_filtering_key_pressed(GtkWidget   *widget,
  93                                          GdkEventKey    *event,
  94                                          gpointer        data);
  95 static void prefs_filtering_cancel      (void);
  96 static void prefs_filtering_ok          (void);
  97
  98 static void prefs_filtering_condition_define    (void);
  99 static void prefs_filtering_action_define(void);
 100 static gint prefs_filtering_clist_set_row       (gint row, FilteringProp * prop);
 101
 102 static void prefs_filtering_reset_dialog        (void);
 103 static gboolean prefs_filtering_rename_path_func(GNode *node, gpointer data);
 104 static gboolean prefs_filtering_delete_path_func(GNode *node, gpointer data);
 105
 106 static void delete_path(GSList ** p_filters, const gchar * path);
 107
 108 void prefs_filtering_open(GSList ** p_processing,
 109                           const gchar * title,
 110                           const gchar *header,
 111                           const gchar *key)
 112 {
 113         if (prefs_rc_is_readonly(FILTERING_RC))
 114                 return;
 115
 116         inc_lock();
 117
 118         if (!filtering.window) {
 119                 prefs_filtering_create();
 120         }
 121
 122         manage_window_set_transient(GTK_WINDOW(filtering.window));
 123         gtk_widget_grab_focus(filtering.ok_btn);
 124
 125         if (title != NULL)
 126                 gtk_window_set_title(GTK_WINDOW(filtering.window), title);
 127         else
 128                 gtk_window_set_title (GTK_WINDOW(filtering.window),
 129                                       _("Filtering/Processing configuration"));
 130
 131         p_processing_list = p_processing;
 132
 133         prefs_filtering_set_dialog(header, key);
 134
 135         gtk_widget_show(filtering.window);
 136
 137         start_address_completion();
 138 }
 139
 140 /* prefs_filtering_close() - just to have one common exit point */
 141 static void prefs_filtering_close(void)
 142 {
 143         end_address_completion();
 144
 145         gtk_widget_hide(filtering.window);
 146         inc_unlock();
 147 }
 148
 149 static void prefs_filtering_create(void)
 150 {
 151         GtkWidget *window;
 152         GtkWidget *vbox;
 153         GtkWidget *ok_btn;
 154         GtkWidget *cancel_btn;
 155         GtkWidget *confirm_area;
 156
 157         GtkWidget *vbox1;
 158         GtkWidget *hbox1;
 159         GtkWidget *reg_hbox;
 160         GtkWidget *arrow;
 161         GtkWidget *btn_hbox;
 162
 163         GtkWidget *cond_label;
 164         GtkWidget *cond_entry;
 165         GtkWidget *cond_btn;
 166         GtkWidget *action_label;
 167         GtkWidget *action_entry;
 168         GtkWidget *action_btn;
 169
 170         GtkWidget *reg_btn;
 171         GtkWidget *subst_btn;
 172         GtkWidget *del_btn;
 173
 174         GtkWidget *cond_hbox;
 175         GtkWidget *cond_scrolledwin;
 176         GtkWidget *cond_clist;
 177
 178         GtkWidget *btn_vbox;
 179         GtkWidget *spc_vbox;
 180         GtkWidget *top_btn;
 181         GtkWidget *up_btn;
 182         GtkWidget *down_btn;
 183         GtkWidget *bottom_btn;
 184
 185         gchar *title[1];
 186
 187         debug_print("Creating filtering configuration window...\n");
 188
 189         window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 190         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 191         gtk_window_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 192         gtk_window_set_modal (GTK_WINDOW (window), TRUE);
 193         gtk_window_set_policy (GTK_WINDOW (window), FALSE, TRUE, FALSE);
 194
 195         vbox = gtk_vbox_new (FALSE, 6);
 196         gtk_widget_show (vbox);
 197         gtk_container_add (GTK_CONTAINER (window), vbox);
 198
 199         gtkut_button_set_create(&confirm_area, &ok_btn, _("OK"),
 200                                 &cancel_btn, _("Cancel"), NULL, NULL);
 201         gtk_widget_show (confirm_area);
 202         gtk_box_pack_end (GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 203         gtk_widget_grab_default (ok_btn);
 204
 205         gtk_window_set_title (GTK_WINDOW(window),
 206                                     _("Filtering/Processing configuration"));
 207
 208         g_signal_connect(G_OBJECT(window), "delete_event",
 209                          G_CALLBACK(prefs_filtering_deleted), NULL);
 210         g_signal_connect(G_OBJECT(window), "key_press_event",
 211                          G_CALLBACK(prefs_filtering_key_pressed), NULL);
 212         MANAGE_WINDOW_SIGNALS_CONNECT (window);
 213         g_signal_connect(G_OBJECT(ok_btn), "clicked",
 214                          G_CALLBACK(prefs_filtering_ok), NULL);
 215         g_signal_connect(G_OBJECT(cancel_btn), "clicked",
 216                          G_CALLBACK(prefs_filtering_cancel), NULL);
 217
 218         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 219         gtk_widget_show (vbox1);
 220         gtk_box_pack_start (GTK_BOX (vbox), vbox1, TRUE, TRUE, 0);
 221         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 222
 223         cond_label = gtk_label_new (_("Condition"));
 224         gtk_widget_show (cond_label);
 225         gtk_misc_set_alignment (GTK_MISC (cond_label), 0, 0.5);
 226         gtk_box_pack_start (GTK_BOX (vbox1), cond_label, FALSE, FALSE, 0);
 227
 228         hbox1 = gtk_hbox_new (FALSE, VSPACING);
 229         gtk_widget_show (hbox1);
 230         gtk_box_pack_start (GTK_BOX (vbox1), hbox1, FALSE, FALSE, 0);
 231         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 2);
 232
 233         cond_entry = gtk_entry_new ();
 234         gtk_widget_show (cond_entry);
 235         gtk_box_pack_start (GTK_BOX (hbox1), cond_entry, TRUE, TRUE, 0);
 236
 237         cond_btn = gtk_button_new_with_label (_("Define ..."));
 238         gtk_widget_show (cond_btn);
 239         gtk_box_pack_start (GTK_BOX (hbox1), cond_btn, FALSE, FALSE, 0);
 240         g_signal_connect(G_OBJECT (cond_btn), "clicked",
 241                          G_CALLBACK(prefs_filtering_condition_define),
 242                          NULL);
 243
 244         action_label = gtk_label_new (_("Action"));
 245         gtk_widget_show (action_label);
 246         gtk_misc_set_alignment (GTK_MISC (action_label), 0, 0.5);
 247         gtk_box_pack_start (GTK_BOX (vbox1), action_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         action_entry = gtk_entry_new ();
 255         gtk_widget_show (action_entry);
 256         gtk_box_pack_start (GTK_BOX (hbox1), action_entry, TRUE, TRUE, 0);
 257
 258         action_btn = gtk_button_new_with_label (_("Define ..."));
 259         gtk_widget_show (action_btn);
 260         gtk_box_pack_start (GTK_BOX (hbox1), action_btn, FALSE, FALSE, 0);
 261         g_signal_connect(G_OBJECT (action_btn), "clicked",
 262                          G_CALLBACK(prefs_filtering_action_define),
 263                          NULL);
 264
 265         /* register / substitute / delete */
 266
 267         reg_hbox = gtk_hbox_new (FALSE, 4);
 268         gtk_widget_show (reg_hbox);
 269         gtk_box_pack_start (GTK_BOX (vbox1), reg_hbox, FALSE, FALSE, 0);
 270
 271         arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 272         gtk_widget_show (arrow);
 273         gtk_box_pack_start (GTK_BOX (reg_hbox), arrow, FALSE, FALSE, 0);
 274         gtk_widget_set_usize (arrow, -1, 16);
 275
 276         btn_hbox = gtk_hbox_new (TRUE, 4);
 277         gtk_widget_show (btn_hbox);
 278         gtk_box_pack_start (GTK_BOX (reg_hbox), btn_hbox, FALSE, FALSE, 0);
 279
 280         reg_btn = gtk_button_new_with_label (_("Add"));
 281         gtk_widget_show (reg_btn);
 282         gtk_box_pack_start (GTK_BOX (btn_hbox), reg_btn, FALSE, TRUE, 0);
 283         g_signal_connect(G_OBJECT (reg_btn), "clicked",
 284                          G_CALLBACK(prefs_filtering_register_cb), NULL);
 285
 286         subst_btn = gtk_button_new_with_label (_("  Replace  "));
 287         gtk_widget_show (subst_btn);
 288         gtk_box_pack_start (GTK_BOX (btn_hbox), subst_btn, FALSE, TRUE, 0);
 289         g_signal_connect(G_OBJECT (subst_btn), "clicked",
 290                          G_CALLBACK(prefs_filtering_substitute_cb),
 291                          NULL);
 292
 293         del_btn = gtk_button_new_with_label (_("Delete"));
 294         gtk_widget_show (del_btn);
 295         gtk_box_pack_start (GTK_BOX (btn_hbox), del_btn, FALSE, TRUE, 0);
 296         g_signal_connect(G_OBJECT (del_btn), "clicked",
 297                         G_CALLBACK(prefs_filtering_delete_cb), NULL);
 298
 299         cond_hbox = gtk_hbox_new (FALSE, 8);
 300         gtk_widget_show (cond_hbox);
 301         gtk_box_pack_start (GTK_BOX (vbox1), cond_hbox, TRUE, TRUE, 0);
 302
 303         cond_scrolledwin = gtk_scrolled_window_new (NULL, NULL);
 304         gtk_widget_show (cond_scrolledwin);
 305         gtk_widget_set_usize (cond_scrolledwin, -1, 150);
 306         gtk_box_pack_start (GTK_BOX (cond_hbox), cond_scrolledwin,
 307                             TRUE, TRUE, 0);
 308         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (cond_scrolledwin),
 309                                         GTK_POLICY_AUTOMATIC,
 310                                         GTK_POLICY_AUTOMATIC);
 311
 312         title[0] = _("Current filtering/processing rules");
 313         cond_clist = gtk_clist_new_with_titles(1, title);
 314         gtk_widget_show (cond_clist);
 315         gtk_container_add (GTK_CONTAINER (cond_scrolledwin), cond_clist);
 316         gtk_clist_set_column_width (GTK_CLIST (cond_clist), 0, 80);
 317         gtk_clist_set_selection_mode (GTK_CLIST (cond_clist),
 318                                       GTK_SELECTION_BROWSE);
 319         GTK_WIDGET_UNSET_FLAGS (GTK_CLIST (cond_clist)->column[0].button,
 320                                 GTK_CAN_FOCUS);
 321         g_signal_connect(G_OBJECT (cond_clist), "select_row",
 322                          G_CALLBACK(prefs_filtering_select), NULL);
 323
 324         btn_vbox = gtk_vbox_new (FALSE, 8);
 325         gtk_widget_show (btn_vbox);
 326         gtk_box_pack_start (GTK_BOX (cond_hbox), btn_vbox, FALSE, FALSE, 0);
 327
 328         top_btn = gtk_button_new_with_label (_("Top"));
 329         gtk_widget_show (top_btn);
 330         gtk_box_pack_start (GTK_BOX (btn_vbox), top_btn, FALSE, FALSE, 0);
 331         g_signal_connect(G_OBJECT (top_btn), "clicked",
 332                          G_CALLBACK(prefs_filtering_top), NULL);
 333
 334         PACK_VSPACER (btn_vbox, spc_vbox, VSPACING_NARROW_2);
 335
 336         up_btn = gtk_button_new_with_label (_("Up"));
 337         gtk_widget_show (up_btn);
 338         gtk_box_pack_start (GTK_BOX (btn_vbox), up_btn, FALSE, FALSE, 0);
 339         g_signal_connect(G_OBJECT (up_btn), "clicked",
 340                          G_CALLBACK(prefs_filtering_up), NULL);
 341
 342         down_btn = gtk_button_new_with_label (_("Down"));
 343         gtk_widget_show (down_btn);
 344         gtk_box_pack_start (GTK_BOX (btn_vbox), down_btn, FALSE, FALSE, 0);
 345         g_signal_connect(G_OBJECT (down_btn), "clicked",
 346                          G_CALLBACK(prefs_filtering_down), NULL);
 347
 348         PACK_VSPACER (btn_vbox, spc_vbox, VSPACING_NARROW_2);
 349
 350         bottom_btn = gtk_button_new_with_label (_("Bottom"));
 351         gtk_widget_show (bottom_btn);
 352         gtk_box_pack_start (GTK_BOX (btn_vbox), bottom_btn, FALSE, FALSE, 0);
 353         g_signal_connect(G_OBJECT (bottom_btn), "clicked",
 354                          G_CALLBACK(prefs_filtering_bottom), NULL);
 355
 356         gtk_widget_set_usize(window, 500, -1);
 357
 358         gtk_widget_show_all(window);
 359
 360         filtering.window    = window;
 361         filtering.ok_btn = ok_btn;
 362
 363         filtering.cond_entry = cond_entry;
 364         filtering.action_entry = action_entry;
 365         filtering.cond_clist   = cond_clist;
 366 }
 367
 368 static void prefs_filtering_update_hscrollbar(void)
 369 {
 370         gint optwidth = gtk_clist_optimal_column_width(GTK_CLIST(filtering.cond_clist), 0);
 371         gtk_clist_set_column_width(GTK_CLIST(filtering.cond_clist), 0, optwidth);
 372 }
 373
 374 static void rename_path(GSList * filters,
 375                         const gchar * old_path, const gchar * new_path);
 376
 377 void prefs_filtering_rename_path(const gchar *old_path, const gchar *new_path)
 378 {
 379         GList * cur;
 380         const gchar *paths[2] = {NULL, NULL};
 381         paths[0] = old_path;
 382         paths[1] = new_path;
 383         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
 384                 Folder *folder;
 385                 folder = (Folder *) cur->data;
 386                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 387                                 prefs_filtering_rename_path_func, paths);
 388         }
 389
 390         rename_path(pre_global_processing, old_path, new_path);
 391         rename_path(post_global_processing, old_path, new_path);
 392         rename_path(filtering_rules, old_path, new_path);
 393
 394         prefs_matcher_write_config();
 395 }
 396
 397 static void rename_path(GSList * filters,
 398                         const gchar * old_path, const gchar * new_path)
 399 {
 400         gchar *base;
 401         gchar *prefix;
 402         gchar *suffix;
 403         gchar *dest_path;
 404         gchar *old_path_with_sep;
 405         gint destlen;
 406         gint prefixlen;
 407         gint oldpathlen;
 408         GSList * action_cur;
 409         GSList * cur;
 410
 411         oldpathlen = strlen(old_path);
 412         old_path_with_sep = g_strconcat(old_path,G_DIR_SEPARATOR_S,NULL);
 413
 414         for (cur = filters; cur != NULL; cur = cur->next) {
 415                 FilteringProp   *filtering = (FilteringProp *)cur->data;
 416
 417                 for(action_cur = filtering->action_list ; action_cur != NULL ;
 418                     action_cur = action_cur->next) {
 419
 420                         FilteringAction *action = action_cur->data;
 421
 422                         if (!action->destination) continue;
 423
 424                         destlen = strlen(action->destination);
 425
 426                         if (destlen > oldpathlen) {
 427                                 prefixlen = destlen - oldpathlen;
 428                                 suffix = action->destination + prefixlen;
 429
 430                                 if (!strncmp(old_path, suffix, oldpathlen)) {
 431                                         prefix = g_malloc0(prefixlen + 1);
 432                                         strncpy2(prefix, action->destination, prefixlen);
 433
 434                                         base = suffix + oldpathlen;
 435                                         while (*base == G_DIR_SEPARATOR) base++;
 436                                         if (*base == '\0')
 437                                                 dest_path = g_strconcat(prefix,
 438                                                     G_DIR_SEPARATOR_S,
 439                                                     new_path, NULL);
 440                                         else
 441                                                 dest_path = g_strconcat(prefix,
 442                                                     G_DIR_SEPARATOR_S,
 443                                                     new_path,
 444                                                     G_DIR_SEPARATOR_S,
 445                                                     base, NULL);
 446
 447                                         g_free(prefix);
 448                                         g_free(action->destination);
 449                                         action->destination = dest_path;
 450                                 } else { /* for non-leaf folders */
 451                                         /* compare with trailing slash */
 452                                         if (!strncmp(old_path_with_sep, action->destination, oldpathlen+1)) {
 453
 454                                                 suffix = action->destination + oldpathlen + 1;
 455                                                 dest_path = g_strconcat(new_path,
 456                                                     G_DIR_SEPARATOR_S,
 457                                                     suffix, NULL);
 458                                                 g_free(action->destination);
 459                                                 action->destination = dest_path;
 460                                         }
 461                                 }
 462                         } else {
 463                                 /* folder-moving a leaf */
 464                                 if (!strcmp(old_path, action->destination)) {
 465                                         dest_path = g_strdup(new_path);
 466                                         g_free(action->destination);
 467                                         action->destination = dest_path;
 468                                 }
 469                         }
 470                 }
 471         }
 472 }
 473
 474 static gboolean prefs_filtering_rename_path_func(GNode *node, gpointer data)
 475 {
 476         GSList *filters;
 477         const gchar * old_path;
 478         const gchar * new_path;
 479         const gchar ** paths;
 480         FolderItem *item;
 481
 482         paths = data;
 483         old_path = paths[0];
 484         new_path = paths[1];
 485
 486         g_return_val_if_fail(old_path != NULL, FALSE);
 487         g_return_val_if_fail(new_path != NULL, FALSE);
 488         g_return_val_if_fail(node != NULL, FALSE);
 489
 490         item = node->data;
 491         if (!item || !item->prefs)
 492                 return FALSE;
 493         filters = item->prefs->processing;
 494
 495         rename_path(filters, old_path, new_path);
 496
 497         return FALSE;
 498 }
 499
 500 void prefs_filtering_delete_path(const gchar *path)
 501 {
 502         GList * cur;
 503         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
 504                 Folder *folder;
 505                 folder = (Folder *) cur->data;
 506                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 507                                 prefs_filtering_delete_path_func, (gchar *)path);
 508         }
 509         delete_path(&pre_global_processing, path);
 510         delete_path(&post_global_processing, path);
 511         delete_path(&filtering_rules, path);
 512
 513         prefs_matcher_write_config();
 514 }
 515
 516 static void delete_path(GSList ** p_filters, const gchar * path)
 517 {
 518         GSList * filters;
 519         GSList * duplist;
 520         gchar *suffix;
 521         gint destlen;
 522         gint prefixlen;
 523         gint pathlen;
 524         GSList * action_cur;
 525         GSList * cur;
 526
 527         filters = *p_filters;
 528         pathlen = strlen(path);
 529         duplist = g_slist_copy(filters);
 530         for (cur = duplist ; cur != NULL; cur = g_slist_next(cur)) {
 531                 FilteringProp *filtering = (FilteringProp *) cur->data;
 532
 533                 for(action_cur = filtering->action_list ; action_cur != NULL ;
 534                     action_cur = action_cur->next) {
 535
 536                         FilteringAction *action;
 537
 538                         action = action_cur->data;
 539
 540                         if (!action->destination) continue;
 541
 542                         destlen = strlen(action->destination);
 543
 544                         if (destlen > pathlen) {
 545                                 prefixlen = destlen - pathlen;
 546                                 suffix = action->destination + prefixlen;
 547
 548                                 if (suffix && !strncmp(path, suffix, pathlen)) {
 549                                         filteringprop_free(filtering);
 550                                         filters = g_slist_remove(filters, filtering);
 551                                 }
 552                         } else if (strcmp(action->destination, path) == 0) {
 553                                 filteringprop_free(filtering);
 554                                 filters = g_slist_remove(filters, filtering);
 555                         }
 556                 }
 557         }
 558         g_slist_free(duplist);
 559
 560         * p_filters = filters;
 561 }
 562
 563 static gboolean prefs_filtering_delete_path_func(GNode *node, gpointer data)
 564 {
 565         const gchar *path = data;
 566         FolderItem *item;
 567         GSList ** p_filters;
 568
 569         g_return_val_if_fail(path != NULL, FALSE);
 570         g_return_val_if_fail(node != NULL, FALSE);
 571
 572         item = node->data;
 573         if (!item || !item->prefs)
 574                 return FALSE;
 575         p_filters = &item->prefs->processing;
 576
 577         delete_path(p_filters, path);
 578
 579         return FALSE;
 580 }
 581
 582 static void prefs_filtering_set_dialog(const gchar *header, const gchar *key)
 583 {
 584         GtkCList *clist = GTK_CLIST(filtering.cond_clist);
 585         GSList *cur;
 586         GSList * prefs_filtering;
 587         gchar *cond_str[1];
 588         gint row;
 589
 590         gtk_clist_freeze(clist);
 591         gtk_clist_clear(clist);
 592
 593         cond_str[0] = _("(New)");
 594         row = gtk_clist_append(clist, cond_str);
 595         gtk_clist_set_row_data(clist, row, NULL);
 596
 597         prefs_filtering = * p_processing_list;
 598
 599         for(cur = prefs_filtering ; cur != NULL ; cur = g_slist_next(cur)) {
 600                 FilteringProp * prop = (FilteringProp *) cur->data;
 601
 602                 cond_str[0] = filteringprop_to_string(prop);
 603                 subst_char(cond_str[0], '\t', ':');
 604                 row = gtk_clist_append(clist, cond_str);
 605                 gtk_clist_set_row_data(clist, row, prop);
 606
 607                 g_free(cond_str[0]);
 608         }
 609
 610         prefs_filtering_update_hscrollbar();
 611         gtk_clist_thaw(clist);
 612
 613         prefs_filtering_reset_dialog();
 614
 615         if (header && key) {
 616                 gchar * quoted_key;
 617                 gchar *match_str;
 618
 619                 quoted_key = matcher_quote_str(key);
 620
 621                 match_str = g_strconcat(header, " ", get_matchparser_tab_str(MATCHTYPE_MATCHCASE),
 622                                         " \"", quoted_key, "\"", NULL);
 623                 g_free(quoted_key);
 624
 625                 gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), match_str);
 626                 g_free(match_str);
 627         }
 628 }
 629
 630 static void prefs_filtering_reset_dialog(void)
 631 {
 632         gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), "");
 633         gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), "");
 634 }
 635
 636 static void prefs_filtering_set_list(void)
 637 {
 638         gint row = 1;
 639         FilteringProp *prop;
 640         GSList * cur;
 641         gchar * filtering_str;
 642         GSList * prefs_filtering;
 643
 644         prefs_filtering = * p_processing_list;
 645
 646         for(cur = prefs_filtering ; cur != NULL ; cur = g_slist_next(cur))
 647                 filteringprop_free((FilteringProp *) cur->data);
 648         g_slist_free(prefs_filtering);
 649         prefs_filtering = NULL;
 650
 651         while (gtk_clist_get_text(GTK_CLIST(filtering.cond_clist),
 652                                   row, 0, &filtering_str)) {
 653                 if (strcmp(filtering_str, _("(New)")) != 0) {
 654                         prop = matcher_parser_get_filtering(filtering_str);
 655                         if (prop != NULL)
 656                                 prefs_filtering =
 657                                         g_slist_append(prefs_filtering, prop);
 658                 }
 659                 row++;
 660         }
 661
 662         * p_processing_list = prefs_filtering;
 663 }
 664
 665 static gint prefs_filtering_clist_set_row(gint row, FilteringProp * prop)
 666 {
 667         GtkCList *clist = GTK_CLIST(filtering.cond_clist);
 668         gchar * str;
 669         gchar *cond_str[1];
 670
 671         if (prop == NULL) {
 672                 cond_str[0] = _("(New)");
 673                 return gtk_clist_append(clist, cond_str);
 674         }
 675
 676         str = filteringprop_to_string(prop);
 677         if (str == NULL) {
 678                 return -1;
 679         }
 680         cond_str[0] = str;
 681
 682         if (row < 0)
 683                 row = gtk_clist_append(clist, cond_str);
 684         else
 685                 gtk_clist_set_text(clist, row, 0, cond_str[0]);
 686         g_free(str);
 687
 688         return row;
 689 }
 690
 691 static void prefs_filtering_condition_define_done(MatcherList * matchers)
 692 {
 693         gchar * str;
 694
 695         if (matchers == NULL)
 696                 return;
 697
 698         str = matcherlist_to_string(matchers);
 699
 700         if (str != NULL) {
 701                 gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), str);
 702                 g_free(str);
 703         }
 704 }
 705
 706 static void prefs_filtering_condition_define(void)
 707 {
 708         const gchar * cond_str;
 709         MatcherList * matchers = NULL;
 710
 711         cond_str = gtk_entry_get_text(GTK_ENTRY(filtering.cond_entry));
 712
 713         if (*cond_str != '\0') {
 714                 matchers = matcher_parser_get_cond(cond_str);
 715                 if (matchers == NULL)
 716                         alertpanel_error(_("Condition string is not valid."));
 717         }
 718
 719         prefs_matcher_open(matchers, prefs_filtering_condition_define_done);
 720
 721         if (matchers != NULL)
 722                 matcherlist_free(matchers);
 723 }
 724
 725 static void prefs_filtering_action_define_done(GSList * action_list)
 726 {
 727         gchar * str;
 728
 729         if (action_list == NULL)
 730                 return;
 731
 732         str = filteringaction_list_to_string(action_list);
 733
 734         if (str != NULL) {
 735                 gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), str);
 736                 g_free(str);
 737         }
 738 }
 739
 740 static void prefs_filtering_action_define(void)
 741 {
 742         const gchar * action_str;
 743         GSList * action_list = NULL;
 744
 745         action_str = gtk_entry_get_text(GTK_ENTRY(filtering.action_entry));
 746
 747         if (*action_str != '\0') {
 748                 action_list = matcher_parser_get_action_list(action_str);
 749                 if (action_list == NULL)
 750                         alertpanel_error(_("Action string is not valid."));
 751         }
 752
 753         prefs_filtering_action_open(action_list,
 754             prefs_filtering_action_define_done);
 755
 756         if (action_list != NULL) {
 757                 GSList * cur;
 758                 for(cur = action_list ; cur != NULL ; cur = cur->next) {
 759                         filteringaction_free(cur->data);
 760                 }
 761         }
 762 }
 763
 764
 765 /* register / substitute delete buttons */
 766
 767
 768 static FilteringProp * prefs_filtering_dialog_to_filtering(gboolean alert)
 769 {
 770         MatcherList * cond;
 771         const gchar * cond_str;
 772         const gchar * action_str;
 773         FilteringProp * prop;
 774         GSList * action_list;
 775
 776         cond_str = gtk_entry_get_text(GTK_ENTRY(filtering.cond_entry));
 777         if (*cond_str == '\0') {
 778                 if(alert == TRUE) alertpanel_error(_("Condition string is empty."));
 779                 return NULL;
 780         }
 781
 782         action_str = gtk_entry_get_text(GTK_ENTRY(filtering.action_entry));
 783         if (*action_str == '\0') {
 784                 if(alert == TRUE) alertpanel_error(_("Action string is empty."));
 785                 return NULL;
 786         }
 787
 788         cond = matcher_parser_get_cond(cond_str);
 789
 790         if (cond == NULL) {
 791                 if(alert == TRUE) alertpanel_error(_("Condition string is not valid."));
 792                 return NULL;
 793         }
 794
 795         action_list = matcher_parser_get_action_list(action_str);
 796
 797         if (action_list == NULL) {
 798                 if(alert == TRUE) alertpanel_error(_("Action string is not valid."));
 799                 return NULL;
 800         }
 801
 802         prop = filteringprop_new(cond, action_list);
 803
 804         return prop;
 805 }
 806
 807 static void prefs_filtering_register_cb(void)
 808 {
 809         FilteringProp * prop;
 810
 811         prop = prefs_filtering_dialog_to_filtering(TRUE);
 812         if (prop == NULL)
 813                 return;
 814         prefs_filtering_clist_set_row(-1, prop);
 815
 816         filteringprop_free(prop);
 817
 818         prefs_filtering_update_hscrollbar();
 819 }
 820
 821 static void prefs_filtering_substitute_cb(void)
 822 {
 823         GtkCList *clist = GTK_CLIST(filtering.cond_clist);
 824         gint row;
 825         FilteringProp * prop;
 826
 827         if (!clist->selection) return;
 828
 829         row = GPOINTER_TO_INT(clist->selection->data);
 830         if (row == 0) return;
 831
 832         prop = prefs_filtering_dialog_to_filtering(TRUE);
 833         if (prop == NULL)
 834                 return;
 835         prefs_filtering_clist_set_row(row, prop);
 836
 837         filteringprop_free(prop);
 838
 839         prefs_filtering_update_hscrollbar();
 840 }
 841
 842 static void prefs_filtering_delete_cb(void)
 843 {
 844         GtkCList *clist = GTK_CLIST(filtering.cond_clist);
 845         gint row;
 846
 847         if (!clist->selection) return;
 848         row = GPOINTER_TO_INT(clist->selection->data);
 849         if (row == 0) return;
 850
 851         if (alertpanel(_("Delete rule"),
 852                        _("Do you really want to delete this rule?"),
 853                        _("Yes"), _("No"), NULL) == G_ALERTALTERNATE)
 854                 return;
 855
 856         gtk_clist_remove(clist, row);
 857
 858         prefs_filtering_reset_dialog();
 859
 860         prefs_filtering_update_hscrollbar();
 861 }
 862
 863 static void prefs_filtering_top(void)
 864 {
 865         GtkCList *clist = GTK_CLIST(filtering.cond_clist);
 866         gint row;
 867
 868         if (!clist->selection) return;
 869
 870         row = GPOINTER_TO_INT(clist->selection->data);
 871         if (row > 1)
 872                 gtk_clist_row_move(clist, row, 1);
 873 }
 874
 875 static void prefs_filtering_up(void)
 876 {
 877         GtkCList *clist = GTK_CLIST(filtering.cond_clist);
 878         gint row;
 879
 880         if (!clist->selection) return;
 881
 882         row = GPOINTER_TO_INT(clist->selection->data);
 883         if (row > 1) {
 884                 gtk_clist_row_move(clist, row, row - 1);
 885                 if (gtk_clist_row_is_visible(clist, row - 1) != GTK_VISIBILITY_FULL)
 886                         gtk_clist_moveto(clist, row - 1, 0, 0, 0);
 887         }
 888 }
 889
 890 static void prefs_filtering_down(void)
 891 {
 892         GtkCList *clist = GTK_CLIST(filtering.cond_clist);
 893         gint row;
 894
 895         if (!clist->selection) return;
 896
 897         row = GPOINTER_TO_INT(clist->selection->data);
 898         if (row > 0 && row < clist->rows - 1) {
 899                 gtk_clist_row_move(clist, row, row + 1);
 900                 if (gtk_clist_row_is_visible(clist, row + 1) != GTK_VISIBILITY_FULL)
 901                         gtk_clist_moveto(clist, row + 1, 0, 1, 0);
 902         }
 903 }
 904
 905 static void prefs_filtering_bottom(void)
 906 {
 907         GtkCList *clist = GTK_CLIST(filtering.cond_clist);
 908         gint row;
 909
 910         if (!clist->selection) return;
 911
 912         row = GPOINTER_TO_INT(clist->selection->data);
 913         if (row > 0 && row < clist->rows - 1)
 914                 gtk_clist_row_move(clist, row, clist->rows - 1);
 915 }
 916
 917 static void prefs_filtering_select_set(FilteringProp *prop)
 918 {
 919         gchar *matcher_str;
 920         gchar *action_str;
 921
 922         prefs_filtering_reset_dialog();
 923
 924         matcher_str = matcherlist_to_string(prop->matchers);
 925         if (matcher_str == NULL) {
 926                 return;
 927         }
 928
 929         gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), matcher_str);
 930
 931         action_str = filteringaction_list_to_string(prop->action_list);
 932         if (matcher_str == NULL) {
 933                 return;
 934         }
 935         gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), action_str);
 936
 937         g_free(action_str);
 938         g_free(matcher_str);
 939 }
 940
 941 static void prefs_filtering_select(GtkCList *clist, gint row, gint column,
 942                                 GdkEvent *event)
 943 {
 944         FilteringProp * prop;
 945         gchar * filtering_str;
 946
 947         if (row == 0) {
 948                 prefs_filtering_reset_dialog();
 949                 return;
 950         }
 951
 952         if (!gtk_clist_get_text(GTK_CLIST(filtering.cond_clist),
 953                                 row, 0, &filtering_str))
 954                 return;
 955
 956         prop = matcher_parser_get_filtering(filtering_str);
 957         if (prop == NULL)
 958                 return;
 959
 960         prefs_filtering_select_set(prop);
 961
 962         filteringprop_free(prop);
 963 }
 964
 965
 966 static gint prefs_filtering_deleted(GtkWidget *widget, GdkEventAny *event,
 967                                  gpointer data)
 968 {
 969         prefs_filtering_cancel();
 970         return TRUE;
 971 }
 972
 973 static gboolean prefs_filtering_key_pressed(GtkWidget *widget, GdkEventKey *event,
 974                                      gpointer data)
 975 {
 976         if (event && event->keyval == GDK_Escape) {
 977                 prefs_filtering_cancel();
 978                 return TRUE;
 979         }
 980         return FALSE;
 981 }
 982
 983 static void prefs_filtering_ok(void)
 984 {
 985         FilteringProp * prop;
 986         gchar * str;
 987         gchar * filtering_str;
 988         gint row = 1;
 989         AlertValue val;
 990
 991         prop = prefs_filtering_dialog_to_filtering(FALSE);
 992         if (prop != NULL) {
 993                 str = filteringprop_to_string(prop);
 994
 995                 while (gtk_clist_get_text(GTK_CLIST(filtering.cond_clist),
 996                                           row, 0, &filtering_str)) {
 997                         if (strcmp(filtering_str, str) == 0) break;
 998                         row++;
 999                 }
1000                 if (strcmp(filtering_str, str) != 0) {
1001                         val = alertpanel(_("Entry not saved"),
1002                                  _("The entry was not saved. Close anyway?"),
1003                                  _("Yes"), _("No"), NULL);
1004                         if (G_ALERTDEFAULT != val) {
1005                                 g_free(str);
1006                                 return;
1007                         }
1008                 }
1009                 g_free(str);
1010         }
1011         prefs_filtering_set_list();
1012         prefs_matcher_write_config();
1013         prefs_filtering_close();
1014 }
1015
1016 static void prefs_filtering_cancel(void)
1017 {
1018         prefs_matcher_read_config();
1019         prefs_filtering_close();
1020 }