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_DIALOG);
 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         gtk_signal_connect (GTK_OBJECT(window), "delete_event",
 209                             GTK_SIGNAL_FUNC(prefs_filtering_deleted), NULL);
 210         gtk_signal_connect (GTK_OBJECT(window), "key_press_event",
 211                             GTK_SIGNAL_FUNC(prefs_filtering_key_pressed), NULL);
 212         MANAGE_WINDOW_SIGNALS_CONNECT (window);
 213         gtk_signal_connect (GTK_OBJECT(ok_btn), "clicked",
 214                             GTK_SIGNAL_FUNC(prefs_filtering_ok), NULL);
 215         gtk_signal_connect (GTK_OBJECT(cancel_btn), "clicked",
 216                             GTK_SIGNAL_FUNC(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         gtk_signal_connect (GTK_OBJECT (cond_btn), "clicked",
 241                             GTK_SIGNAL_FUNC (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         gtk_signal_connect (GTK_OBJECT (action_btn), "clicked",
 262                             GTK_SIGNAL_FUNC (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         gtk_signal_connect (GTK_OBJECT (reg_btn), "clicked",
 284                             GTK_SIGNAL_FUNC (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         gtk_signal_connect (GTK_OBJECT (subst_btn), "clicked",
 290                             GTK_SIGNAL_FUNC (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         gtk_signal_connect (GTK_OBJECT (del_btn), "clicked",
 297                             GTK_SIGNAL_FUNC (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         gtk_signal_connect (GTK_OBJECT (cond_clist), "select_row",
 322                             GTK_SIGNAL_FUNC (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         gtk_signal_connect (GTK_OBJECT (top_btn), "clicked",
 332                             GTK_SIGNAL_FUNC (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         gtk_signal_connect (GTK_OBJECT (up_btn), "clicked",
 340                             GTK_SIGNAL_FUNC (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         gtk_signal_connect (GTK_OBJECT (down_btn), "clicked",
 346                             GTK_SIGNAL_FUNC (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         gtk_signal_connect (GTK_OBJECT (bottom_btn), "clicked",
 354                             GTK_SIGNAL_FUNC (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         FolderItem *item;
 409         GSList * action_cur;
 410         GSList * cur;
 411
 412         oldpathlen = strlen(old_path);
 413         old_path_with_sep = g_strconcat(old_path,G_DIR_SEPARATOR_S,NULL);
 414
 415         for (cur = filters; cur != NULL; cur = cur->next) {
 416                 FilteringProp   *filtering = (FilteringProp *)cur->data;
 417
 418                 for(action_cur = filtering->action_list ; action_cur != NULL ;
 419                     action_cur = action_cur->next) {
 420
 421                         FilteringAction *action = action_cur->data;
 422
 423                         if (!action->destination) continue;
 424
 425                         destlen = strlen(action->destination);
 426
 427                         if (destlen > oldpathlen) {
 428                                 prefixlen = destlen - oldpathlen;
 429                                 suffix = action->destination + prefixlen;
 430
 431                                 if (!strncmp(old_path, suffix, oldpathlen)) {
 432                                         prefix = g_malloc0(prefixlen + 1);
 433                                         strncpy2(prefix, action->destination, prefixlen);
 434
 435                                         base = suffix + oldpathlen;
 436                                         while (*base == G_DIR_SEPARATOR) base++;
 437                                         if (*base == '\0')
 438                                                 dest_path = g_strconcat(prefix,
 439                                                     G_DIR_SEPARATOR_S,
 440                                                     new_path, NULL);
 441                                         else
 442                                                 dest_path = g_strconcat(prefix,
 443                                                     G_DIR_SEPARATOR_S,
 444                                                     new_path,
 445                                                     G_DIR_SEPARATOR_S,
 446                                                     base, NULL);
 447
 448                                         g_free(prefix);
 449                                         g_free(action->destination);
 450                                         action->destination = dest_path;
 451                                 } else { /* for non-leaf folders */
 452                                         /* compare with trailing slash */
 453                                         if (!strncmp(old_path_with_sep, action->destination, oldpathlen+1)) {
 454
 455                                                 suffix = action->destination + oldpathlen + 1;
 456                                                 dest_path = g_strconcat(new_path,
 457                                                     G_DIR_SEPARATOR_S,
 458                                                     suffix, NULL);
 459                                                 g_free(action->destination);
 460                                                 action->destination = dest_path;
 461                                         }
 462                                 }
 463                         } else {
 464                                 /* folder-moving a leaf */
 465                                 if (!strcmp(old_path, action->destination)) {
 466                                         dest_path = g_strdup(new_path);
 467                                         g_free(action->destination);
 468                                         action->destination = dest_path;
 469                                 }
 470                         }
 471                 }
 472         }
 473 }
 474
 475 static gboolean prefs_filtering_rename_path_func(GNode *node, gpointer data)
 476 {
 477         GSList *filters;
 478         const gchar * old_path;
 479         const gchar * new_path;
 480         const gchar ** paths;
 481         FolderItem *item;
 482
 483         paths = data;
 484         old_path = paths[0];
 485         new_path = paths[1];
 486
 487         g_return_val_if_fail(old_path != NULL, FALSE);
 488         g_return_val_if_fail(new_path != NULL, FALSE);
 489         g_return_val_if_fail(node != NULL, FALSE);
 490
 491         item = node->data;
 492         if (!item || !item->prefs)
 493                 return FALSE;
 494         filters = item->prefs->processing;
 495
 496         rename_path(filters, old_path, new_path);
 497
 498         return FALSE;
 499 }
 500
 501 void prefs_filtering_delete_path(const gchar *path)
 502 {
 503         GList * cur;
 504         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
 505                 Folder *folder;
 506                 folder = (Folder *) cur->data;
 507                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 508                                 prefs_filtering_delete_path_func, (gchar *)path);
 509         }
 510         delete_path(&pre_global_processing, path);
 511         delete_path(&post_global_processing, path);
 512         delete_path(&filtering_rules, path);
 513
 514         prefs_matcher_write_config();
 515 }
 516
 517 static void delete_path(GSList ** p_filters, const gchar * path)
 518 {
 519         GSList * filters;
 520         GSList * duplist;
 521         gchar *suffix;
 522         gint destlen;
 523         gint prefixlen;
 524         gint pathlen;
 525         FolderItem *item;
 526         GSList * action_cur;
 527         GSList * cur;
 528
 529         filters = *p_filters;
 530         pathlen = strlen(path);
 531         duplist = g_slist_copy(filters);
 532         for (cur = duplist ; cur != NULL; cur = g_slist_next(cur)) {
 533                 FilteringProp *filtering = (FilteringProp *) cur->data;
 534
 535                 for(action_cur = filtering->action_list ; action_cur != NULL ;
 536                     action_cur = action_cur->next) {
 537
 538                         FilteringAction *action;
 539
 540                         action = action_cur->data;
 541
 542                         if (!action->destination) continue;
 543
 544                         destlen = strlen(action->destination);
 545
 546                         if (destlen > pathlen) {
 547                                 prefixlen = destlen - pathlen;
 548                                 suffix = action->destination + prefixlen;
 549
 550                                 if (suffix && !strncmp(path, suffix, pathlen)) {
 551                                         filteringprop_free(filtering);
 552                                         filters = g_slist_remove(filters, filtering);
 553                                 }
 554                         } else if (strcmp(action->destination, path) == 0) {
 555                                 filteringprop_free(filtering);
 556                                 filters = g_slist_remove(filters, filtering);
 557                         }
 558                 }
 559         }
 560         g_slist_free(duplist);
 561
 562         * p_filters = filters;
 563 }
 564
 565 static gboolean prefs_filtering_delete_path_func(GNode *node, gpointer data)
 566 {
 567         const gchar *path = data;
 568         FolderItem *item;
 569         GSList ** p_filters;
 570
 571         g_return_val_if_fail(path != NULL, FALSE);
 572         g_return_val_if_fail(node != NULL, FALSE);
 573
 574         item = node->data;
 575         if (!item || !item->prefs)
 576                 return FALSE;
 577         p_filters = &item->prefs->processing;
 578
 579         delete_path(p_filters, path);
 580
 581         return FALSE;
 582 }
 583
 584 static void prefs_filtering_set_dialog(const gchar *header, const gchar *key)
 585 {
 586         GtkCList *clist = GTK_CLIST(filtering.cond_clist);
 587         GSList *cur;
 588         GSList * prefs_filtering;
 589         gchar *cond_str[1];
 590         gint row;
 591
 592         gtk_clist_freeze(clist);
 593         gtk_clist_clear(clist);
 594
 595         cond_str[0] = _("(New)");
 596         row = gtk_clist_append(clist, cond_str);
 597         gtk_clist_set_row_data(clist, row, NULL);
 598
 599         prefs_filtering = * p_processing_list;
 600
 601         for(cur = prefs_filtering ; cur != NULL ; cur = g_slist_next(cur)) {
 602                 FilteringProp * prop = (FilteringProp *) cur->data;
 603
 604                 cond_str[0] = filteringprop_to_string(prop);
 605                 subst_char(cond_str[0], '\t', ':');
 606                 row = gtk_clist_append(clist, cond_str);
 607                 gtk_clist_set_row_data(clist, row, prop);
 608
 609                 g_free(cond_str[0]);
 610         }
 611
 612         prefs_filtering_update_hscrollbar();
 613         gtk_clist_thaw(clist);
 614
 615         prefs_filtering_reset_dialog();
 616
 617         if (header && key) {
 618                 gchar * quoted_key;
 619                 gchar *match_str;
 620
 621                 quoted_key = matcher_quote_str(key);
 622
 623                 match_str = g_strconcat(header, " ", get_matchparser_tab_str(MATCHTYPE_MATCHCASE),
 624                                         " \"", quoted_key, "\"", NULL);
 625                 g_free(quoted_key);
 626
 627                 gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), match_str);
 628                 g_free(match_str);
 629         }
 630 }
 631
 632 static void prefs_filtering_reset_dialog(void)
 633 {
 634         gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), "");
 635         gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), "");
 636 }
 637
 638 static void prefs_filtering_set_list(void)
 639 {
 640         gint row = 1;
 641         FilteringProp *prop;
 642         GSList * cur;
 643         gchar * filtering_str;
 644         GSList * prefs_filtering;
 645
 646         prefs_filtering = * p_processing_list;
 647
 648         for(cur = prefs_filtering ; cur != NULL ; cur = g_slist_next(cur))
 649                 filteringprop_free((FilteringProp *) cur->data);
 650         g_slist_free(prefs_filtering);
 651         prefs_filtering = NULL;
 652
 653         while (gtk_clist_get_text(GTK_CLIST(filtering.cond_clist),
 654                                   row, 0, &filtering_str)) {
 655                 if (strcmp(filtering_str, _("(New)")) != 0) {
 656                         prop = matcher_parser_get_filtering(filtering_str);
 657                         if (prop != NULL)
 658                                 prefs_filtering =
 659                                         g_slist_append(prefs_filtering, prop);
 660                 }
 661                 row++;
 662         }
 663
 664         * p_processing_list = prefs_filtering;
 665 }
 666
 667 static gint prefs_filtering_clist_set_row(gint row, FilteringProp * prop)
 668 {
 669         GtkCList *clist = GTK_CLIST(filtering.cond_clist);
 670         gchar * str;
 671         gchar *cond_str[1];
 672
 673         if (prop == NULL) {
 674                 cond_str[0] = _("(New)");
 675                 return gtk_clist_append(clist, cond_str);
 676         }
 677
 678         str = filteringprop_to_string(prop);
 679         if (str == NULL) {
 680                 return -1;
 681         }
 682         cond_str[0] = str;
 683
 684         if (row < 0)
 685                 row = gtk_clist_append(clist, cond_str);
 686         else
 687                 gtk_clist_set_text(clist, row, 0, cond_str[0]);
 688         g_free(str);
 689
 690         return row;
 691 }
 692
 693 static void prefs_filtering_condition_define_done(MatcherList * matchers)
 694 {
 695         gchar * str;
 696
 697         if (matchers == NULL)
 698                 return;
 699
 700         str = matcherlist_to_string(matchers);
 701
 702         if (str != NULL) {
 703                 gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), str);
 704                 g_free(str);
 705         }
 706 }
 707
 708 static void prefs_filtering_condition_define(void)
 709 {
 710         gchar * cond_str;
 711         MatcherList * matchers = NULL;
 712
 713         cond_str = gtk_entry_get_text(GTK_ENTRY(filtering.cond_entry));
 714
 715         if (*cond_str != '\0') {
 716                 matchers = matcher_parser_get_cond(cond_str);
 717                 if (matchers == NULL)
 718                         alertpanel_error(_("Condition string is not valid."));
 719         }
 720
 721         prefs_matcher_open(matchers, prefs_filtering_condition_define_done);
 722
 723         if (matchers != NULL)
 724                 matcherlist_free(matchers);
 725 }
 726
 727 static void prefs_filtering_action_define_done(GSList * action_list)
 728 {
 729         gchar * str;
 730
 731         if (action_list == NULL)
 732                 return;
 733
 734         str = filteringaction_list_to_string(action_list);
 735
 736         if (str != NULL) {
 737                 gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), str);
 738                 g_free(str);
 739         }
 740 }
 741
 742 static void prefs_filtering_action_define(void)
 743 {
 744         gchar * action_str;
 745         GSList * action_list = NULL;
 746
 747         action_str = gtk_entry_get_text(GTK_ENTRY(filtering.action_entry));
 748
 749         if (*action_str != '\0') {
 750                 action_list = matcher_parser_get_action_list(action_str);
 751                 if (action_list == NULL)
 752                         alertpanel_error(_("Action string is not valid."));
 753         }
 754
 755         prefs_filtering_action_open(action_list,
 756             prefs_filtering_action_define_done);
 757
 758         if (action_list != NULL) {
 759                 GSList * cur;
 760                 for(cur = action_list ; cur != NULL ; cur = cur->next) {
 761                         filteringaction_free(cur->data);
 762                 }
 763         }
 764 }
 765
 766
 767 /* register / substitute delete buttons */
 768
 769
 770 static FilteringProp * prefs_filtering_dialog_to_filtering(gboolean alert)
 771 {
 772         MatcherList * cond;
 773         gchar * cond_str;
 774         gchar * action_str;
 775         FilteringProp * prop;
 776         GSList * action_list;
 777
 778         cond_str = gtk_entry_get_text(GTK_ENTRY(filtering.cond_entry));
 779         if (*cond_str == '\0') {
 780                 if(alert == TRUE) alertpanel_error(_("Condition string is empty."));
 781                 return NULL;
 782         }
 783
 784         action_str = gtk_entry_get_text(GTK_ENTRY(filtering.action_entry));
 785         if (*action_str == '\0') {
 786                 if(alert == TRUE) alertpanel_error(_("Action string is empty."));
 787                 return NULL;
 788         }
 789
 790         cond = matcher_parser_get_cond(cond_str);
 791
 792         if (cond == NULL) {
 793                 if(alert == TRUE) alertpanel_error(_("Condition string is not valid."));
 794                 return NULL;
 795         }
 796
 797         action_list = matcher_parser_get_action_list(action_str);
 798
 799         if (action_list == NULL) {
 800                 if(alert == TRUE) alertpanel_error(_("Action string is not valid."));
 801                 return NULL;
 802         }
 803
 804         prop = filteringprop_new(cond, action_list);
 805
 806         return prop;
 807 }
 808
 809 static void prefs_filtering_register_cb(void)
 810 {
 811         FilteringProp * prop;
 812
 813         prop = prefs_filtering_dialog_to_filtering(TRUE);
 814         if (prop == NULL)
 815                 return;
 816         prefs_filtering_clist_set_row(-1, prop);
 817
 818         filteringprop_free(prop);
 819
 820         prefs_filtering_update_hscrollbar();
 821 }
 822
 823 static void prefs_filtering_substitute_cb(void)
 824 {
 825         GtkCList *clist = GTK_CLIST(filtering.cond_clist);
 826         gint row;
 827         FilteringProp * prop;
 828
 829         if (!clist->selection) return;
 830
 831         row = GPOINTER_TO_INT(clist->selection->data);
 832         if (row == 0) return;
 833
 834         prop = prefs_filtering_dialog_to_filtering(TRUE);
 835         if (prop == NULL)
 836                 return;
 837         prefs_filtering_clist_set_row(row, prop);
 838
 839         filteringprop_free(prop);
 840
 841         prefs_filtering_update_hscrollbar();
 842 }
 843
 844 static void prefs_filtering_delete_cb(void)
 845 {
 846         GtkCList *clist = GTK_CLIST(filtering.cond_clist);
 847         gint row;
 848
 849         if (!clist->selection) return;
 850         row = GPOINTER_TO_INT(clist->selection->data);
 851         if (row == 0) return;
 852
 853         if (alertpanel(_("Delete rule"),
 854                        _("Do you really want to delete this rule?"),
 855                        _("Yes"), _("No"), NULL) == G_ALERTALTERNATE)
 856                 return;
 857
 858         gtk_clist_remove(clist, row);
 859
 860         prefs_filtering_reset_dialog();
 861
 862         prefs_filtering_update_hscrollbar();
 863 }
 864
 865 static void prefs_filtering_top(void)
 866 {
 867         GtkCList *clist = GTK_CLIST(filtering.cond_clist);
 868         gint row;
 869
 870         if (!clist->selection) return;
 871
 872         row = GPOINTER_TO_INT(clist->selection->data);
 873         if (row > 1)
 874                 gtk_clist_row_move(clist, row, 1);
 875 }
 876
 877 static void prefs_filtering_up(void)
 878 {
 879         GtkCList *clist = GTK_CLIST(filtering.cond_clist);
 880         gint row;
 881
 882         if (!clist->selection) return;
 883
 884         row = GPOINTER_TO_INT(clist->selection->data);
 885         if (row > 1) {
 886                 gtk_clist_row_move(clist, row, row - 1);
 887                 if (gtk_clist_row_is_visible(clist, row - 1) != GTK_VISIBILITY_FULL)
 888                         gtk_clist_moveto(clist, row - 1, 0, 0, 0);
 889         }
 890 }
 891
 892 static void prefs_filtering_down(void)
 893 {
 894         GtkCList *clist = GTK_CLIST(filtering.cond_clist);
 895         gint row;
 896
 897         if (!clist->selection) return;
 898
 899         row = GPOINTER_TO_INT(clist->selection->data);
 900         if (row > 0 && row < clist->rows - 1) {
 901                 gtk_clist_row_move(clist, row, row + 1);
 902                 if (gtk_clist_row_is_visible(clist, row + 1) != GTK_VISIBILITY_FULL)
 903                         gtk_clist_moveto(clist, row + 1, 0, 1, 0);
 904         }
 905 }
 906
 907 static void prefs_filtering_bottom(void)
 908 {
 909         GtkCList *clist = GTK_CLIST(filtering.cond_clist);
 910         gint row;
 911
 912         if (!clist->selection) return;
 913
 914         row = GPOINTER_TO_INT(clist->selection->data);
 915         if (row > 0 && row < clist->rows - 1)
 916                 gtk_clist_row_move(clist, row, clist->rows - 1);
 917 }
 918
 919 static void prefs_filtering_select_set(FilteringProp *prop)
 920 {
 921         gchar *matcher_str;
 922         gchar *action_str;
 923
 924         prefs_filtering_reset_dialog();
 925
 926         matcher_str = matcherlist_to_string(prop->matchers);
 927         if (matcher_str == NULL) {
 928                 return;
 929         }
 930
 931         gtk_entry_set_text(GTK_ENTRY(filtering.cond_entry), matcher_str);
 932
 933         action_str = filteringaction_list_to_string(prop->action_list);
 934         if (matcher_str == NULL) {
 935                 return;
 936         }
 937         gtk_entry_set_text(GTK_ENTRY(filtering.action_entry), action_str);
 938
 939         g_free(action_str);
 940         g_free(matcher_str);
 941 }
 942
 943 static void prefs_filtering_select(GtkCList *clist, gint row, gint column,
 944                                 GdkEvent *event)
 945 {
 946         FilteringProp * prop;
 947         gchar * filtering_str;
 948
 949         if (row == 0) {
 950                 prefs_filtering_reset_dialog();
 951                 return;
 952         }
 953
 954         if (!gtk_clist_get_text(GTK_CLIST(filtering.cond_clist),
 955                                 row, 0, &filtering_str))
 956                 return;
 957
 958         prop = matcher_parser_get_filtering(filtering_str);
 959         if (prop == NULL)
 960                 return;
 961
 962         prefs_filtering_select_set(prop);
 963
 964         filteringprop_free(prop);
 965 }
 966
 967
 968 static gint prefs_filtering_deleted(GtkWidget *widget, GdkEventAny *event,
 969                                  gpointer data)
 970 {
 971         prefs_filtering_cancel();
 972         return TRUE;
 973 }
 974
 975 static gboolean prefs_filtering_key_pressed(GtkWidget *widget, GdkEventKey *event,
 976                                      gpointer data)
 977 {
 978         if (event && event->keyval == GDK_Escape)
 979                 prefs_filtering_cancel();
 980         return TRUE;
 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 }