src/gtk/quicksearch.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2011 Colin Leroy <colin@colino.net>
   4  * and the Claws Mail team
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 #ifdef HAVE_CONFIG_H
  22 #  include "config.h"
  23 #endif
  24
  25 #include <glib.h>
  26 #include <glib/gi18n.h>
  27 #include <ctype.h>
  28
  29 #include <gtk/gtk.h>
  30 #include <gdk/gdkkeysyms.h>
  31
  32 #if !GTK_CHECK_VERSION(3, 0, 0)
  33 #include "gtkcmoptionmenu.h"
  34 #endif
  35 #include "utils.h"
  36 #include "combobox.h"
  37 #include "menu.h"
  38 #include "prefs_common.h"
  39 #include "description_window.h"
  40 #include "matcher.h"
  41 #include "matcher_parser.h"
  42 #include "quicksearch.h"
  43 #include "folderview.h"
  44 #include "folder.h"
  45 #include "prefs_matcher.h"
  46 #include "claws.h"
  47 #include "statusbar.h"
  48
  49 struct _QuickSearchRequest
  50 {
  51         QuickSearchType                  type;
  52         gchar                           *matchstring;
  53         gboolean                         recursive;
  54 };
  55 typedef struct _QuickSearchRequest QuickSearchRequest;
  56
  57 struct _QuickSearch
  58 {
  59         GtkWidget                       *hbox_search;
  60         GtkWidget                       *search_type;
  61 #if !GTK_CHECK_VERSION(3, 0, 0)
  62         GtkWidget                       *search_type_opt;
  63 #endif
  64         GtkWidget                       *search_string_entry;
  65         GtkWidget                       *search_condition_expression;
  66         GtkWidget                       *search_description;
  67         GtkWidget                       *clear_search;
  68
  69         gboolean                         active;
  70         gchar                           *search_string;
  71         MatcherList                     *matcher_list;
  72
  73         QuickSearchRequest              *request;
  74         QuickSearchExecuteCallback       callback;
  75         gpointer                         callback_data;
  76         gboolean                         running;
  77         gboolean                         has_focus;
  78         gboolean                         matching;
  79         gboolean                         deferred_free;
  80         FolderItem                      *root_folder_item;
  81         gboolean                         is_fast;
  82         gboolean                         in_typing;
  83         guint                            press_timeout_id;
  84
  85         GList                           *normal_search_strings;
  86         GList                           *extended_search_strings;
  87
  88         /* dynamic and autorun qs settings are exclusive*/
  89         GtkWidget                        *dynamic_menuitem;
  90         GtkWidget                        *autorun_menuitem;
  91
  92         gboolean                        gui;
  93 };
  94
  95 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run);
  96 static void quicksearch_set_matchstring(QuickSearch *quicksearch, const gchar *matchstring);
  97 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active);
  98 static void quicksearch_reset_folder_items(QuickSearch *quicksearch, FolderItem *folder_item);
  99 static gchar *expand_search_string(const gchar *str);
 100 static gchar *expand_tag_search_string(const gchar *str);
 101
 102 static gboolean quicksearch_from_gui(QuickSearch *quicksearch)
 103 {
 104         return quicksearch->gui;
 105 }
 106
 107 gboolean quicksearch_is_fast(QuickSearch *quicksearch)
 108 {
 109         return quicksearch->is_fast;
 110 }
 111
 112 void quicksearch_set_recursive(QuickSearch *quicksearch, gboolean recursive)
 113 {
 114         quicksearch->request->recursive = recursive;
 115 }
 116
 117 static void quicksearch_set_type(QuickSearch *quicksearch, gint type)
 118 {
 119 #if !GTK_CHECK_VERSION(3, 0, 0)
 120         gint index;
 121         quicksearch->request->type = type;
 122         if (quicksearch->gui == FALSE)
 123                 return;
 124         index = menu_find_option_menu_index(GTK_CMOPTION_MENU(quicksearch->search_type_opt),
 125                                         GINT_TO_POINTER(type),
 126                                         NULL);
 127         gtk_cmoption_menu_set_history(GTK_CMOPTION_MENU(quicksearch->search_type_opt), index);
 128 #endif
 129 }
 130
 131 static gchar *quicksearch_get_text(QuickSearch * quicksearch)
 132 {
 133         gchar *search_string = gtk_editable_get_chars(GTK_EDITABLE(gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry)))), 0, -1);
 134
 135         g_strstrip(search_string);
 136         return search_string;
 137 }
 138
 139 static void quicksearch_set_popdown_strings(QuickSearch *quicksearch)
 140 {
 141         GtkWidget *search_string_entry = quicksearch->search_string_entry;
 142
 143         combobox_unset_popdown_strings(GTK_COMBO_BOX(search_string_entry));
 144
 145         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED)
 146                 combobox_set_popdown_strings(GTK_COMBO_BOX(search_string_entry),
 147                         quicksearch->extended_search_strings);
 148         else
 149                 combobox_set_popdown_strings(GTK_COMBO_BOX(search_string_entry),
 150                         quicksearch->normal_search_strings);
 151 }
 152
 153 static void prepare_matcher(QuickSearch *quicksearch)
 154 {
 155         /* param search_string is "matchstring" */
 156         const gchar *search_string;
 157         QuickSearchType quicksearch_type;
 158
 159         if (quicksearch == NULL)
 160                 return;
 161
 162         /* When called from the GUI, reset type and matchstring */
 163         if (quicksearch_from_gui(quicksearch)) {
 164                 gchar *s = quicksearch_get_text(quicksearch);
 165                 quicksearch_set_matchstring(quicksearch, s);
 166                 g_free(s);
 167                 quicksearch->request->type = prefs_common.summary_quicksearch_type;
 168         }
 169         quicksearch_type = quicksearch->request->type;
 170         search_string = quicksearch->request->matchstring;
 171
 172         if (search_string == NULL || search_string[0] == '\0') {
 173                 quicksearch_set_active(quicksearch, FALSE);
 174         }
 175
 176         if (quicksearch->matcher_list != NULL) {
 177                 if (quicksearch->matching) {
 178                         quicksearch->deferred_free = TRUE;
 179                         return;
 180                 }
 181                 quicksearch->deferred_free = FALSE;
 182                 matcherlist_free(quicksearch->matcher_list);
 183                 quicksearch->matcher_list = NULL;
 184         }
 185
 186         if (search_string == NULL || search_string[0] == '\0') {
 187                 return;
 188         }
 189         if (quicksearch_type == QUICK_SEARCH_EXTENDED) {
 190                 char *newstr = NULL;
 191
 192                 newstr = expand_search_string(search_string);
 193                 if (newstr && newstr[0] != '\0') {
 194                         quicksearch->matcher_list = matcher_parser_get_cond(newstr, &quicksearch->is_fast);
 195                         g_free(newstr);
 196                 } else {
 197                         quicksearch->matcher_list = NULL;
 198                         quicksearch_set_active(quicksearch, FALSE);
 199                         return;
 200                 }
 201         } else if (quicksearch_type == QUICK_SEARCH_TAG) {
 202                 char *newstr = expand_tag_search_string(search_string);
 203                 quicksearch->matcher_list = matcher_parser_get_cond(newstr, &quicksearch->is_fast);
 204                 g_free(newstr);
 205         } else if (quicksearch_type == QUICK_SEARCH_MIXED) {
 206                 char *newstr = expand_tag_search_string(search_string);
 207                 quicksearch->matcher_list = matcher_parser_get_cond(newstr, &quicksearch->is_fast);
 208                 g_free(newstr);
 209                 g_free(quicksearch->search_string);
 210                 quicksearch->search_string = g_utf8_casefold(search_string, -1);
 211         } else {
 212                 quicksearch->is_fast = TRUE;
 213                 g_free(quicksearch->search_string);
 214                 quicksearch->search_string = g_utf8_casefold(search_string, -1);
 215         }
 216         quicksearch_set_active(quicksearch, TRUE);
 217 }
 218
 219 static void update_extended_buttons (QuickSearch *quicksearch)
 220 {
 221         GtkWidget *expr_btn = quicksearch->search_condition_expression;
 222         GtkWidget *ext_btn = quicksearch->search_description;
 223
 224         cm_return_if_fail(expr_btn != NULL);
 225         cm_return_if_fail(ext_btn != NULL);
 226
 227         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
 228                 gtk_widget_show(expr_btn);
 229                 gtk_widget_show(ext_btn);
 230         } else {
 231                 gtk_widget_hide(expr_btn);
 232                 gtk_widget_hide(ext_btn);
 233         }
 234 }
 235
 236 static gboolean searchbar_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 237                                   QuickSearch *qs)
 238 {
 239         qs->has_focus = TRUE;
 240         return FALSE;
 241 }
 242
 243 static gboolean searchbar_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 244                                   QuickSearch *qs)
 245 {
 246         qs->has_focus = FALSE;
 247         qs->in_typing = FALSE;
 248         return FALSE;
 249 }
 250
 251 gboolean quicksearch_has_focus(QuickSearch *quicksearch)
 252 {
 253         return quicksearch->has_focus;
 254 }
 255
 256 static void searchbar_run(QuickSearch *quicksearch, gboolean run_only_if_fast)
 257 {
 258         gchar *search_string = quicksearch_get_text(quicksearch);
 259         quicksearch_set_matchstring(quicksearch, search_string);
 260         prepare_matcher(quicksearch);
 261
 262         /* add to history, for extended search add only correct matching rules */
 263         if (!quicksearch->in_typing && search_string && strlen(search_string) != 0) {
 264                 switch (prefs_common.summary_quicksearch_type) {
 265                         case QUICK_SEARCH_EXTENDED:
 266                                 if (quicksearch->matcher_list) {
 267                                         quicksearch->extended_search_strings =
 268                                                 add_history(quicksearch->extended_search_strings,
 269                                                                 g_strdup(search_string));
 270                                         prefs_common.summary_quicksearch_history =
 271                                                 add_history(prefs_common.summary_quicksearch_history,
 272                                                                 g_strdup(search_string));
 273                                 }
 274                                 break;
 275                         default:
 276                                 quicksearch->normal_search_strings =
 277                                         add_history(quicksearch->normal_search_strings,
 278                                                         g_strdup(search_string));
 279                                 prefs_common.summary_quicksearch_history =
 280                                         add_history(prefs_common.summary_quicksearch_history,
 281                                                         g_strdup(search_string));
 282                                 break;
 283                 }
 284
 285                 quicksearch_set_popdown_strings(quicksearch);
 286
 287         }
 288
 289         if (run_only_if_fast && !quicksearch->is_fast) {
 290                 g_free(search_string);
 291                 return;
 292         }
 293         if (quicksearch->matcher_list == NULL &&
 294             prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED &&
 295             search_string && strlen(search_string) != 0) {
 296                 g_free(search_string);
 297                 return;
 298         }
 299         quicksearch_set_running(quicksearch, TRUE);
 300         if (quicksearch->callback != NULL)
 301                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 302         quicksearch_set_running(quicksearch, FALSE);
 303         g_free(search_string);
 304 }
 305
 306 static int searchbar_changed_timeout(void *data)
 307 {
 308         QuickSearch *qs = (QuickSearch *)data;
 309         if (qs && prefs_common.summary_quicksearch_dynamic) {
 310                 qs->in_typing = TRUE;
 311                 searchbar_run(qs, TRUE);
 312         }
 313         return FALSE;
 314 }
 315
 316 static void searchbar_changed_cb(GtkWidget *widget, QuickSearch *qs)
 317 {
 318         if (!qs->has_focus && prefs_common.summary_quicksearch_autorun) {
 319                 gtk_widget_grab_focus(qs->search_string_entry);
 320                 searchbar_run(qs, TRUE);
 321                 return;
 322         }
 323
 324         if (prefs_common.summary_quicksearch_dynamic) {
 325                 if (qs->press_timeout_id != -1) {
 326                         g_source_remove(qs->press_timeout_id);
 327                 }
 328                 qs->press_timeout_id = g_timeout_add(500,
 329                                 searchbar_changed_timeout, qs);
 330         }
 331
 332         if (!qs->has_focus)
 333                 gtk_widget_grab_focus(qs->search_string_entry);
 334 }
 335
 336 static gboolean searchbar_pressed(GtkWidget *widget, GdkEventKey *event,
 337                                   QuickSearch *quicksearch)
 338 {
 339         if (event && (event->keyval == GDK_KEY_Escape)) {
 340                 gchar *str;
 341
 342                 quicksearch->in_typing = FALSE;
 343
 344                 str = quicksearch_get_text(quicksearch);
 345                 cm_return_val_if_fail(str != NULL, TRUE);
 346
 347                 /* If the string entry is empty -> hide quicksearch bar. If not -> empty it */
 348                 if (!*str) {
 349                         summaryview_activate_quicksearch(
 350                                 mainwindow_get_mainwindow()->summaryview,
 351                                 FALSE);
 352                 } else {
 353                         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 354                         gtk_widget_grab_focus(
 355                                         mainwindow_get_mainwindow()->summaryview->ctree);
 356                 }
 357                 g_free(str);
 358                 return TRUE;
 359         }
 360
 361         if (event != NULL && (event->keyval == GDK_KEY_Return || event->keyval == GDK_KEY_KP_Enter)) {
 362                 if (quicksearch->press_timeout_id != -1) {
 363                         g_source_remove(quicksearch->press_timeout_id);
 364                         quicksearch->press_timeout_id = -1;
 365                 }
 366                 quicksearch->in_typing = FALSE;
 367                 /* add expression to history list and exec quicksearch */
 368                 searchbar_run(quicksearch, FALSE);
 369
 370                 g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
 371                 return TRUE;
 372         }
 373
 374         if (event && (event->keyval == GDK_KEY_Down || event->keyval == GDK_KEY_Up)) {
 375                 combobox_set_value_from_arrow_key(
 376                                 GTK_COMBO_BOX(quicksearch->search_string_entry),
 377                                 event->keyval);
 378                 return TRUE;
 379         }
 380
 381         return FALSE;
 382 }
 383
 384 static gboolean searchtype_changed(GtkMenuItem *widget, gpointer data)
 385 {
 386         QuickSearch *quicksearch = (QuickSearch *)data;
 387         gchar *search_string = quicksearch_get_text(quicksearch);
 388         quicksearch_set_matchstring(quicksearch, search_string);
 389
 390         prefs_common.summary_quicksearch_type = GPOINTER_TO_INT(g_object_get_data(
 391                                    G_OBJECT(GTK_MENU_ITEM(gtk_menu_get_active(
 392                                    GTK_MENU(quicksearch->search_type)))), MENU_VAL_ID));
 393
 394         /* Show extended search description button, only when Extended is selected */
 395         update_extended_buttons(quicksearch);
 396         quicksearch_set_popdown_strings(quicksearch);
 397
 398         if (!search_string || *(search_string) == 0) {
 399                 g_free(search_string);
 400                 return TRUE;
 401         }
 402
 403         prepare_matcher(quicksearch);
 404
 405         quicksearch_set_running(quicksearch, TRUE);
 406         if (quicksearch->callback != NULL)
 407                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 408         quicksearch_set_running(quicksearch, FALSE);
 409         g_free(search_string);
 410         return TRUE;
 411 }
 412
 413 static gboolean searchtype_recursive_changed(GtkMenuItem *widget, gpointer data)
 414 {
 415         QuickSearch *quicksearch = (QuickSearch *)data;
 416         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 417         gchar *search_string = quicksearch_get_text(quicksearch);
 418         /* not needed to quicksearch_set_matchstring(search_string);
 419            wait for prepare_matcher() */
 420
 421         prefs_common.summary_quicksearch_recurse = checked;
 422         quicksearch_set_recursive(quicksearch, checked);
 423
 424         /* reselect the search type */
 425         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
 426
 427         if (!search_string || *(search_string) == 0) {
 428                 g_free(search_string);
 429                 return TRUE;
 430         }
 431
 432         prepare_matcher(quicksearch);
 433
 434         quicksearch_set_running(quicksearch, TRUE);
 435         if (quicksearch->callback != NULL)
 436                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 437         quicksearch_set_running(quicksearch, FALSE);
 438         g_free(search_string);
 439         return TRUE;
 440 }
 441
 442 static gboolean searchtype_sticky_changed(GtkMenuItem *widget, gpointer data)
 443 {
 444         QuickSearch *quicksearch = (QuickSearch *)data;
 445         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 446
 447         prefs_common.summary_quicksearch_sticky = checked;
 448
 449         /* reselect the search type */
 450         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
 451
 452         return TRUE;
 453 }
 454
 455 static gboolean searchtype_dynamic_changed(GtkMenuItem *widget, gpointer data)
 456 {
 457         QuickSearch *quicksearch = (QuickSearch *)data;
 458         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 459
 460         prefs_common.summary_quicksearch_dynamic = checked;
 461         if (checked)
 462                 gtk_check_menu_item_set_active(
 463                                 GTK_CHECK_MENU_ITEM(quicksearch->autorun_menuitem),
 464                                 FALSE);
 465
 466         /* reselect the search type */
 467         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
 468
 469         return TRUE;
 470 }
 471
 472 static gboolean searchtype_autorun_changed(GtkMenuItem *widget, gpointer data)
 473 {
 474         QuickSearch *quicksearch = (QuickSearch *)data;
 475         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 476
 477         prefs_common.summary_quicksearch_autorun = checked;
 478         if (checked)
 479                 gtk_check_menu_item_set_active(
 480                                 GTK_CHECK_MENU_ITEM(quicksearch->dynamic_menuitem),
 481                                 FALSE);
 482
 483         /* reselect the search type */
 484         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
 485
 486         return TRUE;
 487 }
 488
 489 /*
 490  * Strings describing how to use Extended Search
 491  *
 492  * When adding new lines, remember to put 2 strings for each line
 493  */
 494 static gchar *search_descr_strings[] = {
 495         "a",     N_("all messages"),
 496         "ag #",  N_("messages whose age is greater than #"),
 497         "al #",  N_("messages whose age is less than #"),
 498         "b S",   N_("messages which contain S in the message body"),
 499         "B S",   N_("messages which contain S in the whole message"),
 500         "c S",   N_("messages carbon-copied to S"),
 501         "C S",   N_("message is either to: or cc: to S"),
 502         "D",     N_("deleted messages"), /** how I can filter deleted messages **/
 503         "e S",   N_("messages which contain S in the Sender field"),
 504         "E S",   N_("true if execute \"S\" succeeds"),
 505         "f S",   N_("messages originating from user S"),
 506         "F",     N_("forwarded messages"),
 507         "h S",   N_("messages which contain header S"),
 508         "i S",   N_("messages which contain S in Message-ID header"),
 509         "I S",   N_("messages which contain S in In-Reply-To header"),
 510         "k #",   N_("messages which are marked with color #"),
 511         "L",     N_("locked messages"),
 512         "n S",   N_("messages which are in newsgroup S"),
 513         "N",     N_("new messages"),
 514         "O",     N_("old messages"),
 515         "p",     N_("incomplete messages (not entirely downloaded)"),
 516         "r",     N_("messages which have been replied to"),
 517         "R",     N_("read messages"),
 518         "s S",   N_("messages which contain S in subject"),
 519         "se #",  N_("messages whose score is equal to #"),
 520         "sg #",  N_("messages whose score is greater than #"),
 521         "sl #",  N_("messages whose score is lower than #"),
 522         "Se #",  N_("messages whose size is equal to #"),
 523         "Sg #",  N_("messages whose size is greater than #"),
 524         "Ss #",  N_("messages whose size is smaller than #"),
 525         "t S",   N_("messages which have been sent to S"),
 526         "tg S",  N_("messages which tags contain S"),
 527         "tagged",N_("messages which have tag(s)"),
 528         "T",     N_("marked messages"),
 529         "U",     N_("unread messages"),
 530         "x S",   N_("messages which contain S in References header"),
 531         "X \"cmd args\"", N_("messages returning 0 when passed to command - %F is message file"),
 532         "y S",   N_("messages which contain S in X-Label header"),
 533         "",      "" ,
 534         "&amp;",         N_("logical AND operator"),
 535         "|",     N_("logical OR operator"),
 536         "! or ~",       N_("logical NOT operator"),
 537         "%",     N_("case sensitive search"),
 538         "",      "" ,
 539         " ",     N_("all filtering expressions are allowed"),
 540         NULL,    NULL
 541 };
 542
 543 static DescriptionWindow search_descr = {
 544         NULL,
 545         NULL,
 546         2,
 547         N_("Extended Search"),
 548         N_("Extended Search allows the user to define criteria that messages must "
 549            "have in order to match and be displayed in the message list.\n"
 550            "The following symbols can be used:"),
 551         search_descr_strings
 552 };
 553
 554 static void search_description_cb(GtkWidget *widget)
 555 {
 556         description_window_create(&search_descr);
 557 };
 558
 559 static gboolean clear_search_cb(GtkMenuItem *widget, gpointer data)
 560 {
 561         QuickSearch *quicksearch = (QuickSearch *)data;
 562
 563         if (!quicksearch->active)
 564                 return TRUE;
 565
 566         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 567
 568         return TRUE;
 569 };
 570
 571 static void search_condition_expr_done(MatcherList * matchers)
 572 {
 573         gchar *str;
 574
 575         cm_return_if_fail(
 576                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL);
 577
 578         if (matchers == NULL)
 579                 return;
 580
 581         str = matcherlist_to_string(matchers);
 582
 583         if (str != NULL) {
 584                 quicksearch_set(mainwindow_get_mainwindow()->summaryview->quicksearch,
 585                                 prefs_common.summary_quicksearch_type, str);
 586                 g_free(str);
 587
 588                 /* add expression to history list and exec quicksearch */
 589                 searchbar_run(mainwindow_get_mainwindow()->summaryview->quicksearch, FALSE);
 590         }
 591 }
 592
 593 static gboolean search_condition_expr(GtkMenuItem *widget, gpointer data)
 594 {
 595         gchar * cond_str;
 596         MatcherList * matchers = NULL;
 597
 598         cm_return_val_if_fail(
 599                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL,
 600                         FALSE);
 601
 602         /* re-use the current quicksearch value if it's a condition expression,
 603            otherwise ignore it silently */
 604         cond_str = quicksearch_get_text(mainwindow_get_mainwindow()->summaryview->quicksearch);
 605
 606         if (*cond_str != '\0') {
 607                 matchers = matcher_parser_get_cond((gchar*)cond_str, NULL);
 608         }
 609
 610         prefs_matcher_open(matchers, search_condition_expr_done);
 611
 612         if (matchers != NULL)
 613                 matcherlist_free(matchers);
 614
 615         g_free(cond_str);
 616
 617         return TRUE;
 618 };
 619
 620 static void quicksearch_set_button(GtkButton *button, const gchar *icon, const gchar *text)
 621 {
 622         GList *children = gtk_container_get_children(GTK_CONTAINER(button));
 623         GList *cur;
 624         GtkWidget *box;
 625         gboolean icon_visible;
 626
 627         g_object_get(gtk_settings_get_default(),
 628                                          "gtk-button-images", &icon_visible,
 629                                          NULL);
 630
 631         for (cur = children; cur; cur = cur->next)
 632                 gtk_container_remove(GTK_CONTAINER(button), GTK_WIDGET(cur->data));
 633
 634         g_list_free(children);
 635         box = gtk_hbox_new(FALSE, 0);
 636
 637         gtk_container_add(GTK_CONTAINER(button), box);
 638         if (icon_visible || !text || !*text)
 639                 gtk_box_pack_start(GTK_BOX(box), gtk_image_new_from_stock(icon,
 640                         GTK_ICON_SIZE_BUTTON), FALSE, FALSE, 0);
 641         gtk_box_pack_start(GTK_BOX(box), gtk_label_new_with_mnemonic(text), FALSE, FALSE, 0);
 642         gtk_widget_show_all(box);
 643 }
 644
 645 /*
 646  * Builds a new QuickSearchRequest
 647  */
 648 static QuickSearchRequest *quicksearchrequest_new(void)
 649 {
 650         QuickSearchRequest *request;
 651         request = g_new0(QuickSearchRequest, 1);
 652         return request;
 653 }
 654
 655 /*
 656  * Builds a new QuickSearch object independent from the GUI
 657  */
 658 QuickSearch *quicksearch_new_nogui(void)
 659 {
 660         QuickSearch *quicksearch;
 661         QuickSearchRequest *request;
 662
 663         request = quicksearchrequest_new();
 664         quicksearch = g_new0(QuickSearch, 1);
 665         quicksearch->request = request;
 666         quicksearch->gui = FALSE;
 667
 668         /* init. values initally found in quicksearch_new().
 669            There's no need to init. all pointers to NULL since we use g_new0
 670          */
 671         quicksearch->matcher_list = NULL;
 672         quicksearch->active = FALSE;
 673         quicksearch->running = FALSE;
 674         quicksearch->in_typing = FALSE;
 675         quicksearch->press_timeout_id = -1;
 676         quicksearch->normal_search_strings = NULL;
 677         quicksearch->extended_search_strings = NULL;
 678
 679         return quicksearch;
 680 }
 681
 682 QuickSearch *quicksearch_new()
 683 {
 684         QuickSearch *quicksearch;
 685
 686         GtkWidget *hbox_search;
 687 #if !GTK_CHECK_VERSION(3, 0, 0)
 688         GtkWidget *search_type_opt;
 689 #endif
 690         GtkWidget *search_type;
 691         GtkWidget *search_string_entry;
 692         GtkWidget *search_hbox;
 693         GtkWidget *search_description;
 694         GtkWidget *clear_search;
 695         GtkWidget *search_condition_expression;
 696         GtkWidget *menuitem;
 697         GtkWidget *vbox;
 698
 699         quicksearch = quicksearch_new_nogui();
 700         quicksearch->gui = TRUE;
 701
 702         /* quick search */
 703         hbox_search = gtk_hbox_new(FALSE, 0);
 704
 705 #if !GTK_CHECK_VERSION(3, 0, 0)
 706         search_type_opt = gtk_cmoption_menu_new();
 707         gtk_widget_show(search_type_opt);
 708         gtk_box_pack_start(GTK_BOX(hbox_search), search_type_opt, FALSE, FALSE, 0);
 709 #endif
 710
 711         search_type = gtk_menu_new();
 712         MENUITEM_ADD (search_type, menuitem,
 713                         prefs_common_translated_header_name("Subject"), QUICK_SEARCH_SUBJECT);
 714         g_signal_connect(G_OBJECT(menuitem), "activate",
 715                          G_CALLBACK(searchtype_changed),
 716                          quicksearch);
 717         MENUITEM_ADD (search_type, menuitem,
 718                         prefs_common_translated_header_name("From"), QUICK_SEARCH_FROM);
 719         g_signal_connect(G_OBJECT(menuitem), "activate",
 720                          G_CALLBACK(searchtype_changed),
 721                          quicksearch);
 722         MENUITEM_ADD (search_type, menuitem,
 723                         prefs_common_translated_header_name("To"), QUICK_SEARCH_TO);
 724         g_signal_connect(G_OBJECT(menuitem), "activate",
 725                          G_CALLBACK(searchtype_changed),
 726                          quicksearch);
 727         MENUITEM_ADD (search_type, menuitem,
 728                         prefs_common_translated_header_name("Tag"), QUICK_SEARCH_TAG);
 729         g_signal_connect(G_OBJECT(menuitem), "activate",
 730                          G_CALLBACK(searchtype_changed),
 731                          quicksearch);
 732         MENUITEM_ADD (search_type, menuitem,
 733                         _("From/To/Subject/Tag"), QUICK_SEARCH_MIXED);
 734         g_signal_connect(G_OBJECT(menuitem), "activate",
 735                          G_CALLBACK(searchtype_changed),
 736                          quicksearch);
 737         MENUITEM_ADD (search_type, menuitem, _("Extended"), QUICK_SEARCH_EXTENDED);
 738         g_signal_connect(G_OBJECT(menuitem), "activate",
 739                          G_CALLBACK(searchtype_changed),
 740                          quicksearch);
 741
 742         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), gtk_separator_menu_item_new());
 743
 744         menuitem = gtk_check_menu_item_new_with_label(_("Recursive"));
 745         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 746
 747         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 748                                         prefs_common.summary_quicksearch_recurse);
 749         quicksearch_set_recursive(quicksearch, prefs_common.summary_quicksearch_recurse);
 750         g_signal_connect(G_OBJECT(menuitem), "activate",
 751                          G_CALLBACK(searchtype_recursive_changed),
 752                          quicksearch);
 753
 754         menuitem = gtk_check_menu_item_new_with_label(_("Sticky"));
 755         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 756
 757         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 758                                         prefs_common.summary_quicksearch_sticky);
 759
 760         g_signal_connect(G_OBJECT(menuitem), "activate",
 761                          G_CALLBACK(searchtype_sticky_changed),
 762                          quicksearch);
 763
 764         menuitem = gtk_check_menu_item_new_with_label(_("Type-ahead"));
 765         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 766
 767         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 768                                         prefs_common.summary_quicksearch_dynamic);
 769
 770         quicksearch->dynamic_menuitem = menuitem;
 771
 772         g_signal_connect(G_OBJECT(menuitem), "activate",
 773                          G_CALLBACK(searchtype_dynamic_changed),
 774                          quicksearch);
 775
 776         menuitem = gtk_check_menu_item_new_with_label(_("Run on select"));
 777         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 778
 779         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 780                                         prefs_common.summary_quicksearch_autorun);
 781
 782         quicksearch->autorun_menuitem = menuitem;
 783
 784         g_signal_connect(G_OBJECT(menuitem), "activate",
 785                          G_CALLBACK(searchtype_autorun_changed),
 786                          quicksearch);
 787
 788 #if !GTK_CHECK_VERSION(3, 0, 0)
 789         gtk_cmoption_menu_set_menu(GTK_CMOPTION_MENU(search_type_opt), search_type);
 790
 791         quicksearch->search_type_opt = search_type_opt;
 792 #endif
 793         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
 794
 795         gtk_widget_show(search_type);
 796
 797         search_string_entry = gtk_combo_box_entry_new_text ();
 798         gtk_combo_box_set_active(GTK_COMBO_BOX(search_string_entry), -1);
 799
 800         vbox = gtk_vbox_new(TRUE, 0);
 801         gtk_box_pack_start(GTK_BOX(vbox), search_string_entry, FALSE, FALSE, 0);
 802         gtk_box_pack_start(GTK_BOX(hbox_search), vbox, TRUE, TRUE, 4);
 803
 804         gtk_widget_show(vbox);
 805         gtk_widget_show(search_string_entry);
 806
 807         search_hbox = gtk_hbox_new(FALSE, 5);
 808         clear_search = gtk_button_new_from_stock(GTK_STOCK_CLEAR);
 809         gtk_box_pack_start(GTK_BOX(search_hbox), clear_search,
 810                            FALSE, FALSE, 0);
 811         g_signal_connect(G_OBJECT(clear_search), "clicked",
 812                          G_CALLBACK(clear_search_cb), quicksearch);
 813         CLAWS_SET_TIP(clear_search,
 814                              _("Clear the current search"));
 815         gtk_widget_show(clear_search);
 816
 817         search_condition_expression = gtk_button_new_from_stock(GTK_STOCK_EDIT);
 818         gtk_box_pack_start(GTK_BOX(search_hbox), search_condition_expression,
 819                            FALSE, FALSE, 0);
 820         g_signal_connect(G_OBJECT (search_condition_expression), "clicked",
 821                          G_CALLBACK(search_condition_expr),
 822                          quicksearch);
 823         CLAWS_SET_TIP(search_condition_expression,
 824                              _("Edit search criteria"));
 825         gtk_widget_show(search_condition_expression);
 826
 827         search_description = gtk_button_new_from_stock(GTK_STOCK_INFO);
 828         gtk_box_pack_start(GTK_BOX(search_hbox), search_description,
 829                            FALSE, FALSE, 0);
 830         g_signal_connect(G_OBJECT(search_description), "clicked",
 831                          G_CALLBACK(search_description_cb), NULL);
 832         CLAWS_SET_TIP(search_description,
 833                              _("Information about extended symbols"));
 834         gtk_widget_show(search_description);
 835
 836         gtk_box_pack_start(GTK_BOX(hbox_search), search_hbox, FALSE, FALSE, 2);
 837         gtk_widget_show(search_hbox);
 838
 839         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((search_string_entry)))),
 840                            "key_press_event",
 841                            G_CALLBACK(searchbar_pressed),
 842                            quicksearch);
 843
 844         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((search_string_entry)))),
 845                          "changed",
 846                          G_CALLBACK(searchbar_changed_cb),
 847                          quicksearch);
 848
 849         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((search_string_entry)))),
 850                          "focus_in_event",
 851                          G_CALLBACK(searchbar_focus_evt_in),
 852                          quicksearch);
 853         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((search_string_entry)))),
 854                          "focus_out_event",
 855                          G_CALLBACK(searchbar_focus_evt_out),
 856                          quicksearch);
 857
 858         quicksearch->hbox_search = hbox_search;
 859         quicksearch->search_type = search_type;
 860         quicksearch->search_string_entry = search_string_entry;
 861         quicksearch->search_condition_expression = search_condition_expression;
 862         quicksearch->search_description = search_description;
 863         quicksearch->matcher_list = NULL;
 864         quicksearch->active = FALSE;
 865         quicksearch->running = FALSE;
 866         quicksearch->clear_search = clear_search;
 867         quicksearch->in_typing = FALSE;
 868         quicksearch->press_timeout_id = -1;
 869         quicksearch->normal_search_strings = NULL;
 870         quicksearch->extended_search_strings = NULL;
 871
 872         quicksearch_set_button(GTK_BUTTON(quicksearch->search_description), GTK_STOCK_INFO, _("_Information"));
 873         quicksearch_set_button(GTK_BUTTON(quicksearch->search_condition_expression), GTK_STOCK_EDIT, _("_Edit"));
 874         quicksearch_set_button(GTK_BUTTON(quicksearch->clear_search), GTK_STOCK_CLEAR, _("C_lear"));
 875
 876         update_extended_buttons(quicksearch);
 877
 878         return quicksearch;
 879 }
 880
 881 void quicksearch_relayout(QuickSearch *quicksearch)
 882 {
 883         switch (prefs_common.layout_mode) {
 884         case NORMAL_LAYOUT:
 885         case WIDE_LAYOUT:
 886         case WIDE_MSGLIST_LAYOUT:
 887                 quicksearch_set_button(GTK_BUTTON(quicksearch->search_description), GTK_STOCK_INFO, _("_Information"));
 888                 quicksearch_set_button(GTK_BUTTON(quicksearch->search_condition_expression), GTK_STOCK_EDIT, _("_Edit"));
 889                 quicksearch_set_button(GTK_BUTTON(quicksearch->clear_search), GTK_STOCK_CLEAR, _("C_lear"));
 890                 break;
 891         case SMALL_LAYOUT:
 892         case VERTICAL_LAYOUT:
 893                 quicksearch_set_button(GTK_BUTTON(quicksearch->search_description), GTK_STOCK_INFO, "");
 894                 quicksearch_set_button(GTK_BUTTON(quicksearch->search_condition_expression), GTK_STOCK_EDIT, "");
 895                 quicksearch_set_button(GTK_BUTTON(quicksearch->clear_search), GTK_STOCK_CLEAR, "");
 896                 break;
 897         }
 898 }
 899
 900 GtkWidget *quicksearch_get_widget(QuickSearch *quicksearch)
 901 {
 902         return quicksearch->hbox_search;
 903 }
 904
 905 void quicksearch_show(QuickSearch *quicksearch)
 906 {
 907         MainWindow *mainwin = mainwindow_get_mainwindow();
 908         GtkWidget *ctree = NULL;
 909         prepare_matcher(quicksearch);
 910         gtk_widget_show(quicksearch->hbox_search);
 911         update_extended_buttons(quicksearch);
 912         gtk_widget_grab_focus(
 913                 GTK_WIDGET(gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry)))));
 914
 915         GTK_EVENTS_FLUSH();
 916
 917         if (!mainwin || !mainwin->summaryview) {
 918                 return;
 919         }
 920
 921         ctree = summary_get_main_widget(mainwin->summaryview);
 922
 923         if (ctree && mainwin->summaryview->selected)
 924                 gtk_cmctree_node_moveto(GTK_CMCTREE(ctree),
 925                                 mainwin->summaryview->selected,
 926                                 0, 0.5, 0);
 927 }
 928
 929 void quicksearch_hide(QuickSearch *quicksearch)
 930 {
 931         if (quicksearch_is_active(quicksearch)) {
 932                 quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 933                 quicksearch_set_active(quicksearch, FALSE);
 934         }
 935         gtk_widget_hide(quicksearch->hbox_search);
 936 }
 937
 938 /*
 939  *\brief        Sets the matchstring.
 940  *
 941  *\param        quicksearch quicksearch to set
 942  *\param        matchstring the match string; it is duplicated, not stored
 943  */
 944 static void quicksearch_set_matchstring(QuickSearch *quicksearch,
 945                                         const gchar *matchstring)
 946 {
 947         g_free(quicksearch->request->matchstring);
 948         quicksearch->request->matchstring = g_strdup(matchstring);
 949 }
 950
 951 void quicksearch_set(QuickSearch *quicksearch, QuickSearchType type,
 952                      const gchar *matchstring)
 953 {
 954         quicksearch_set_type(quicksearch, type);
 955
 956         if (!matchstring || !(*matchstring))
 957                 quicksearch->in_typing = FALSE;
 958
 959         quicksearch_set_matchstring(quicksearch, matchstring);
 960
 961         if (!quicksearch_from_gui(quicksearch)) {
 962                 prepare_matcher(quicksearch);
 963                 /* no callback */
 964                 return;
 965         }
 966
 967         g_signal_handlers_block_by_func(G_OBJECT(gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry)))),
 968                                         G_CALLBACK(searchbar_changed_cb), quicksearch);
 969         gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry)))),
 970                            matchstring);
 971         g_signal_handlers_unblock_by_func(G_OBJECT(gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry)))),
 972                                           G_CALLBACK(searchbar_changed_cb), quicksearch);
 973
 974         prefs_common.summary_quicksearch_type = type;
 975
 976         prepare_matcher(quicksearch);
 977
 978         quicksearch_set_running(quicksearch, TRUE);
 979         if (quicksearch->callback != NULL)
 980                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 981         quicksearch_set_running(quicksearch, FALSE);
 982 }
 983
 984 gboolean quicksearch_is_active(QuickSearch *quicksearch)
 985 {
 986         return quicksearch->active &&
 987                 (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED
 988                  || quicksearch->matcher_list != NULL);
 989 }
 990
 991 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active)
 992 {
 993 #if !GTK_CHECK_VERSION(3, 0, 0)
 994         static GdkColor yellow;
 995         static GdkColor red;
 996         static GdkColor black;
 997         static gboolean colors_initialised = FALSE;
 998 #else
 999         static GdkColor yellow = { (guint32)0, (guint16)0xf5, (guint16)0xf6, (guint16)0xbe };
1000         static GdkColor red = { (guint32)0, (guint16)0xff, (guint16)0x70, (guint16)0x70 };
1001         static GdkColor black = { (guint32)0, (guint16)0x0, (guint16)0x0, (guint16)0x0 };
1002 #endif
1003         gboolean error = FALSE;
1004
1005
1006         quicksearch->active = active;
1007         if (quicksearch->gui == FALSE)
1008                 return;
1009
1010 #if !GTK_CHECK_VERSION(3, 0, 0)
1011         if (!colors_initialised) {
1012                 gdk_color_parse("#f5f6be", &yellow);
1013                 gdk_color_parse("#000000", &black);
1014                 gdk_color_parse("#ff7070", &red);
1015                 colors_initialised = gdk_colormap_alloc_color(
1016                         gdk_colormap_get_system(), &yellow, FALSE, TRUE);
1017                 colors_initialised &= gdk_colormap_alloc_color(
1018                         gdk_colormap_get_system(), &black, FALSE, TRUE);
1019                 colors_initialised &= gdk_colormap_alloc_color(
1020                         gdk_colormap_get_system(), &red, FALSE, TRUE);
1021         }
1022 #endif
1023
1024         if (active &&
1025                 (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED
1026                  && quicksearch->matcher_list == NULL))
1027                 error = TRUE;
1028
1029         if (active) {
1030                 gtk_widget_set_sensitive(quicksearch->clear_search, TRUE);
1031 #if !GTK_CHECK_VERSION(3, 0, 0)
1032                 if (colors_initialised) {
1033 #endif
1034                         gtk_widget_modify_base(
1035                                 gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry))),
1036                                 GTK_STATE_NORMAL, error ? &red : &yellow);
1037                         gtk_widget_modify_text(
1038                                 gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry))),
1039                                 GTK_STATE_NORMAL, &black);
1040 #if !GTK_CHECK_VERSION(3, 0, 0)
1041                 }
1042 #endif
1043         } else {
1044                 gtk_widget_set_sensitive(quicksearch->clear_search, FALSE);
1045                 if (colors_initialised) {
1046                         gtk_widget_modify_base(
1047                                 gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry))),
1048                                 GTK_STATE_NORMAL, NULL);
1049                         gtk_widget_modify_text(
1050                                 gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry))),
1051                                 GTK_STATE_NORMAL, NULL);
1052 #if !GTK_CHECK_VERSION(3, 0, 0)
1053                 }
1054 #endif
1055         }
1056
1057         if (!active) {
1058                 quicksearch_reset_cur_folder_item(quicksearch);
1059         }
1060 }
1061
1062 void quicksearch_set_execute_callback(QuickSearch *quicksearch,
1063                                       QuickSearchExecuteCallback callback,
1064                                       gpointer data)
1065 {
1066         quicksearch->callback = callback;
1067         quicksearch->callback_data = data;
1068 }
1069
1070 gboolean quicksearch_match(QuickSearch *quicksearch, MsgInfo *msginfo)
1071 {
1072         gchar *searched_header = NULL;
1073         gboolean result = FALSE;
1074         gchar *to = NULL, *from = NULL, *subject = NULL;
1075         QuickSearchType quicksearch_type;
1076
1077         if (!quicksearch->active)
1078                 return TRUE;
1079
1080         quicksearch_type = quicksearch->request->type;
1081
1082         switch (quicksearch_type) {
1083         case QUICK_SEARCH_SUBJECT:
1084                 if (msginfo->subject)
1085                         searched_header = g_utf8_casefold(msginfo->subject, -1);
1086                 else
1087                         return FALSE;
1088                 break;
1089         case QUICK_SEARCH_FROM:
1090                 if (msginfo->from)
1091                         searched_header = g_utf8_casefold(msginfo->from, -1);
1092                 else
1093                         return FALSE;
1094                 break;
1095         case QUICK_SEARCH_TO:
1096                 if (msginfo->to)
1097                         searched_header = g_utf8_casefold(msginfo->to, -1);
1098                 else
1099                         return FALSE;
1100                 break;
1101         case QUICK_SEARCH_MIXED:
1102                 if (msginfo->to)
1103                         to = g_utf8_casefold(msginfo->to, -1);
1104                 if (msginfo->from)
1105                         from = g_utf8_casefold(msginfo->from, -1);
1106                 if (msginfo->subject)
1107                         subject = g_utf8_casefold(msginfo->subject, -1);
1108                 break;
1109         case QUICK_SEARCH_EXTENDED:
1110                 break;
1111         default:
1112                 debug_print("unknown search type (%d)\n", quicksearch_type);
1113                 break;
1114         }
1115
1116         quicksearch->matching = TRUE;
1117         if (quicksearch_type != QUICK_SEARCH_EXTENDED &&
1118             quicksearch_type != QUICK_SEARCH_MIXED &&
1119             quicksearch_type != QUICK_SEARCH_TAG &&
1120             quicksearch->search_string &&
1121             searched_header && strstr(searched_header, quicksearch->search_string) != NULL)
1122                 result = TRUE;
1123         else if (quicksearch_type == QUICK_SEARCH_MIXED &&
1124                 quicksearch->search_string && (
1125                 (to && strstr(to, quicksearch->search_string) != NULL) ||
1126                 (from && strstr(from, quicksearch->search_string) != NULL) ||
1127                 (subject && strstr(subject, quicksearch->search_string) != NULL) ||
1128                 ((quicksearch->matcher_list != NULL) &&
1129                  matcherlist_match(quicksearch->matcher_list, msginfo))  ))
1130                 result = TRUE;
1131         else if ((quicksearch->matcher_list != NULL) &&
1132                  matcherlist_match(quicksearch->matcher_list, msginfo))
1133                 result = TRUE;
1134
1135         quicksearch->matching = FALSE;
1136         if (quicksearch_from_gui(quicksearch)==TRUE && quicksearch->deferred_free) {
1137                 /* Ref. http://lists.claws-mail.org/pipermail/users/2010-August/003063.html
1138                    See also 2.0.0cvs140 ChangeLog entry
1139                    and comment in search_msgs_in_folder() */
1140                 prepare_matcher(quicksearch);
1141         }
1142
1143         g_free(to);
1144         g_free(from);
1145         g_free(subject);
1146         g_free(searched_header);
1147
1148         return result;
1149 }
1150
1151 /* allow Mutt-like patterns in quick search */
1152 static gchar *expand_search_string(const gchar *search_string)
1153 {
1154         int i = 0;
1155         gchar term_char, save_char;
1156         gchar *cmd_start, *cmd_end;
1157         GString *matcherstr;
1158         gchar *returnstr = NULL;
1159         gchar *copy_str;
1160         gboolean casesens, dontmatch;
1161         /* list of allowed pattern abbreviations */
1162         struct {
1163                 gchar           *abbreviated;   /* abbreviation */
1164                 gchar           *command;       /* actual matcher command */
1165                 gint            numparams;      /* number of params for cmd */
1166                 gboolean        qualifier;      /* do we append regexpcase */
1167                 gboolean        quotes;         /* do we need quotes */
1168         }
1169         cmds[] = {
1170                 { "a",  "all",                          0,      FALSE,  FALSE },
1171                 { "ag", "age_greater",                  1,      FALSE,  FALSE },
1172                 { "al", "age_lower",                    1,      FALSE,  FALSE },
1173                 { "b",  "body_part",                    1,      TRUE,   TRUE  },
1174                 { "B",  "message",                      1,      TRUE,   TRUE  },
1175                 { "c",  "cc",                           1,      TRUE,   TRUE  },
1176                 { "C",  "to_or_cc",                     1,      TRUE,   TRUE  },
1177                 { "D",  "deleted",                      0,      FALSE,  FALSE },
1178                 { "e",  "header \"Sender\"",            1,      TRUE,   TRUE  },
1179                 { "E",  "execute",                      1,      FALSE,  TRUE  },
1180                 { "f",  "from",                         1,      TRUE,   TRUE  },
1181                 { "F",  "forwarded",                    0,      FALSE,  FALSE },
1182                 { "h",  "headers_part",                 1,      TRUE,   TRUE  },
1183                 { "i",  "header \"Message-ID\"",        1,      TRUE,   TRUE  },
1184                 { "I",  "inreplyto",                    1,      TRUE,   TRUE  },
1185                 { "k",  "colorlabel",                   1,      FALSE,  FALSE },
1186                 { "L",  "locked",                       0,      FALSE,  FALSE },
1187                 { "n",  "newsgroups",                   1,      TRUE,   TRUE  },
1188                 { "N",  "new",                          0,      FALSE,  FALSE },
1189                 { "O",  "~new",                         0,      FALSE,  FALSE },
1190                 { "r",  "replied",                      0,      FALSE,  FALSE },
1191                 { "R",  "~unread",                      0,      FALSE,  FALSE },
1192                 { "s",  "subject",                      1,      TRUE,   TRUE  },
1193                 { "se", "score_equal",                  1,      FALSE,  FALSE },
1194                 { "sg", "score_greater",                1,      FALSE,  FALSE },
1195                 { "sl", "score_lower",                  1,      FALSE,  FALSE },
1196                 { "Se", "size_equal",                   1,      FALSE,  FALSE },
1197                 { "Sg", "size_greater",                 1,      FALSE,  FALSE },
1198                 { "Ss", "size_smaller",                 1,      FALSE,  FALSE },
1199                 { "t",  "to",                           1,      TRUE,   TRUE  },
1200                 { "tg", "tag",                          1,      TRUE,   TRUE  },
1201                 { "T",  "marked",                       0,      FALSE,  FALSE },
1202                 { "U",  "unread",                       0,      FALSE,  FALSE },
1203                 { "x",  "header \"References\"",        1,      TRUE,   TRUE  },
1204                 { "X",  "test",                         1,      FALSE,  FALSE },
1205                 { "y",  "header \"X-Label\"",           1,      TRUE,   TRUE  },
1206                 { "&",  "&",                            0,      FALSE,  FALSE },
1207                 { "|",  "|",                            0,      FALSE,  FALSE },
1208                 { "p",  "partial",                      0,      FALSE,  FALSE },
1209                 { NULL, NULL,                           0,      FALSE,  FALSE }
1210         };
1211
1212         if (search_string == NULL)
1213                 return NULL;
1214
1215         copy_str = g_strdup(search_string);
1216
1217         matcherstr = g_string_sized_new(16);
1218         cmd_start = copy_str;
1219         while (cmd_start && *cmd_start) {
1220                 /* skip all white spaces */
1221                 while (*cmd_start && isspace((guchar)*cmd_start))
1222                         cmd_start++;
1223                 cmd_end = cmd_start;
1224
1225                 /* extract a command */
1226                 while (*cmd_end && !isspace((guchar)*cmd_end))
1227                         cmd_end++;
1228
1229                 /* save character */
1230                 save_char = *cmd_end;
1231                 *cmd_end = '\0';
1232
1233                 dontmatch = FALSE;
1234                 casesens = FALSE;
1235
1236                 /* ~ and ! mean logical NOT */
1237                 if (*cmd_start == '~' || *cmd_start == '!')
1238                 {
1239                         dontmatch = TRUE;
1240                         cmd_start++;
1241                 }
1242                 /* % means case sensitive match */
1243                 if (*cmd_start == '%')
1244                 {
1245                         casesens = TRUE;
1246                         cmd_start++;
1247                 }
1248
1249                 /* find matching abbreviation */
1250                 for (i = 0; cmds[i].command; i++) {
1251                         if (!strcmp(cmd_start, cmds[i].abbreviated)) {
1252                                 /* restore character */
1253                                 *cmd_end = save_char;
1254
1255                                 /* copy command */
1256                                 if (matcherstr->len > 0) {
1257                                         g_string_append(matcherstr, " ");
1258                                 }
1259                                 if (dontmatch)
1260                                         g_string_append(matcherstr, "~");
1261                                 g_string_append(matcherstr, cmds[i].command);
1262                                 g_string_append(matcherstr, " ");
1263
1264                                 /* stop if no params required */
1265                                 if (cmds[i].numparams == 0)
1266                                         break;
1267
1268                                 /* extract a parameter, allow quotes */
1269                                 while (*cmd_end && isspace((guchar)*cmd_end))
1270                                         cmd_end++;
1271
1272                                 cmd_start = cmd_end;
1273                                 if (*cmd_start == '"') {
1274                                         term_char = '"';
1275                                         cmd_end++;
1276                                 }
1277                                 else
1278                                         term_char = ' ';
1279
1280                                 /* extract actual parameter */
1281                                 while ((*cmd_end) && (*cmd_end != term_char))
1282                                         cmd_end++;
1283
1284                                 if (*cmd_end == '"')
1285                                         cmd_end++;
1286
1287                                 save_char = *cmd_end;
1288                                 *cmd_end = '\0';
1289
1290                                 if (cmds[i].qualifier) {
1291                                         if (casesens)
1292                                                 g_string_append(matcherstr, "regexp ");
1293                                         else
1294                                                 g_string_append(matcherstr, "regexpcase ");
1295                                 }
1296
1297                                 /* do we need to add quotes ? */
1298                                 if (cmds[i].quotes && term_char != '"')
1299                                         g_string_append(matcherstr, "\"");
1300
1301                                 /* copy actual parameter */
1302                                 g_string_append(matcherstr, cmd_start);
1303
1304                                 /* do we need to add quotes ? */
1305                                 if (cmds[i].quotes && term_char != '"')
1306                                         g_string_append(matcherstr, "\"");
1307
1308                                 /* restore original character */
1309                                 *cmd_end = save_char;
1310
1311                                 break;
1312                         }
1313                 }
1314
1315                 if (*cmd_end)
1316                         cmd_end++;
1317                 cmd_start = cmd_end;
1318         }
1319
1320         g_free(copy_str);
1321
1322         /* return search string if no match is found to allow
1323            all available filtering expressions in quicksearch */
1324         if (matcherstr->len > 0) returnstr = matcherstr->str;
1325         else returnstr = g_strdup(search_string);
1326         g_string_free(matcherstr, FALSE);
1327         return returnstr;
1328 }
1329
1330 static gchar *expand_tag_search_string(const gchar *search_string)
1331 {
1332         gchar *newstr = NULL;
1333         gchar **words = search_string ? g_strsplit(search_string, " ", -1):NULL;
1334         gint i = 0;
1335         while (words && words[i] && *words[i]) {
1336                 g_strstrip(words[i]);
1337                 if (!newstr) {
1338                         newstr = g_strdup_printf("tag regexpcase \"%s\"", words[i]);
1339                 } else {
1340                         gint o_len = strlen(newstr);
1341                         gint s_len = 18; /* strlen("|tag regexpcase \"\"") */
1342                         gint n_len = s_len + strlen(words[i]);
1343                         newstr = g_realloc(newstr,o_len+n_len+1);
1344                         strcpy(newstr+o_len, "|tag regexpcase \"");
1345                         strcpy(newstr+o_len+(s_len-1), words[i]);
1346                         strcpy(newstr+o_len+(n_len-1), "\"");
1347                 }
1348                 i++;
1349         }
1350         g_strfreev(words);
1351         return newstr;
1352 }
1353
1354 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run)
1355 {
1356         quicksearch->running = run;
1357 }
1358
1359 gboolean quicksearch_is_running(QuickSearch *quicksearch)
1360 {
1361         return quicksearch->running;
1362 }
1363
1364 void quicksearch_pass_key(QuickSearch *quicksearch, guint val, GdkModifierType mod)
1365 {
1366         GtkEntry *entry = GTK_ENTRY(gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry))));
1367         glong curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
1368         guint32 c;
1369         char *str = g_strdup(gtk_entry_get_text(entry));
1370         char *begin = str;
1371         char *end = NULL;
1372         char *new = NULL;
1373         char key[7] = "";
1374         guint char_len = 0;
1375
1376         if (gtk_editable_get_selection_bounds(GTK_EDITABLE(entry), NULL, NULL)) {
1377                 /* remove selection */
1378                 gtk_editable_delete_selection(GTK_EDITABLE(entry));
1379                 curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
1380                 /* refresh string */
1381                 g_free(str);
1382                 str = g_strdup(gtk_entry_get_text(entry));
1383                 begin = str;
1384         }
1385
1386         if (!(c = gdk_keyval_to_unicode(val))) {
1387                 g_free(str);
1388                 return;
1389         }
1390         char_len = g_unichar_to_utf8(c, key);
1391         if (char_len < 0)
1392                 return;
1393         key[char_len] = '\0';
1394         if (curpos < g_utf8_strlen(str, -1)) {
1395                 gchar *stop = g_utf8_offset_to_pointer(begin, curpos);
1396                 end = g_strdup(g_utf8_offset_to_pointer(str, curpos));
1397                 *stop = '\0';
1398                 new = g_strdup_printf("%s%s%s", begin, key, end);
1399                 gtk_entry_set_text(entry, new);
1400                 g_free(end);
1401         } else {
1402                 new = g_strdup_printf("%s%s", begin, key);
1403                 gtk_entry_set_text(entry, new);
1404         }
1405         g_free(str);
1406         g_free(new);
1407         gtk_editable_set_position(GTK_EDITABLE(entry), curpos+1);
1408
1409 }
1410
1411 static gboolean quicksearch_match_subfolder(QuickSearch *quicksearch,
1412                                  FolderItem *src)
1413 {
1414         GSList *msglist = NULL;
1415         GSList *cur;
1416         gboolean result = FALSE;
1417         gint num = 0, total = 0;
1418         gint interval = quicksearch_is_fast(quicksearch) ? 5000:100;
1419
1420         statusbar_print_all(_("Searching in %s... \n"),
1421                 src->path ? src->path : "(null)");
1422
1423         msglist = folder_item_get_msg_list(src);
1424         total = src->total_msgs;
1425         folder_item_update_freeze();
1426         for (cur = msglist; cur != NULL; cur = cur->next) {
1427                 MsgInfo *msg = (MsgInfo *)cur->data;
1428                 statusbar_progress_all(num++,total, interval);
1429                 if (quicksearch_match(quicksearch, msg)) {
1430                         result = TRUE;
1431                         break;
1432                 }
1433                 if (num % interval == 0)
1434                         GTK_EVENTS_FLUSH();
1435                 if (!quicksearch_is_active(quicksearch))
1436                         break;
1437         }
1438         folder_item_update_thaw();
1439         statusbar_progress_all(0,0,0);
1440         statusbar_pop_all();
1441
1442         procmsg_msg_list_free(msglist);
1443         return result;
1444 }
1445
1446 gboolean quicksearch_is_in_subfolder(QuickSearch *quicksearch, FolderItem *cur)
1447 {
1448         if (quicksearch->root_folder_item == NULL)
1449                 return FALSE;
1450
1451         while (cur) {
1452                 if (cur == quicksearch->root_folder_item) {
1453                         return TRUE;
1454                 }
1455                 cur = folder_item_parent(cur);
1456         }
1457         return FALSE;
1458 }
1459
1460 void quicksearch_search_subfolders(QuickSearch *quicksearch,
1461                                    FolderView *folderview,
1462                                    FolderItem *folder_item)
1463 {
1464         FolderItem *cur = NULL;
1465         GNode *node = folder_item->node->children;
1466
1467         if (!prefs_common.summary_quicksearch_recurse
1468         ||  quicksearch->in_typing == TRUE)
1469                 return;
1470
1471         for (; node != NULL; node = node->next) {
1472                 cur = FOLDER_ITEM(node->data);
1473                 if (quicksearch_match_subfolder(quicksearch, cur)) {
1474                         folderview_update_search_icon(cur, TRUE);
1475                 } else {
1476                         folderview_update_search_icon(cur, FALSE);
1477                 }
1478                 if (cur->node->children)
1479                         quicksearch_search_subfolders(quicksearch,
1480                                                       folderview,
1481                                                       cur);
1482         }
1483         quicksearch->root_folder_item = folder_item;
1484         if (!quicksearch_is_active(quicksearch))
1485                 quicksearch_reset_cur_folder_item(quicksearch);
1486 }
1487
1488 static void quicksearch_reset_folder_items(QuickSearch *quicksearch,
1489                                     FolderItem *folder_item)
1490 {
1491         FolderItem *cur = NULL;
1492         GNode *node = (folder_item && folder_item->node) ?
1493                         folder_item->node->children : NULL;
1494
1495         for (; node != NULL; node = node->next) {
1496                 cur = FOLDER_ITEM(node->data);
1497                 folderview_update_search_icon(cur, FALSE);
1498                 if (cur->node->children)
1499                         quicksearch_reset_folder_items(quicksearch,
1500                                                        cur);
1501         }
1502 }
1503
1504 void quicksearch_reset_cur_folder_item(QuickSearch *quicksearch)
1505 {
1506         if (quicksearch->root_folder_item)
1507                 quicksearch_reset_folder_items(quicksearch,
1508                                                quicksearch->root_folder_item);
1509
1510         quicksearch->root_folder_item = NULL;
1511 }
1512
1513 void quicksearch_folder_item_invalidate(QuickSearch *quicksearch, FolderItem *item)
1514 {
1515         if (quicksearch->root_folder_item == item)
1516                 quicksearch->root_folder_item = NULL;
1517 }
1518
1519 gboolean quicksearch_is_in_typing(QuickSearch *quicksearch)
1520 {
1521         return quicksearch->in_typing;
1522 }
1523
1524 void quicksearch_set_search_strings(QuickSearch *quicksearch)
1525 {
1526         GList *strings = prefs_common.summary_quicksearch_history;
1527         gchar *newstr = NULL;
1528         MatcherList *matcher_list = NULL;
1529
1530         if (!strings)
1531                 return;
1532
1533         matcher_parser_disable_warnings(TRUE);
1534
1535         do {
1536                 newstr = expand_search_string((gchar *) strings->data);
1537                 if (newstr && newstr[0] != '\0') {
1538                         if (!strchr(newstr, ' ')) {
1539                                 quicksearch->normal_search_strings =
1540                                         g_list_append(
1541                                                 quicksearch->normal_search_strings,
1542                                                 g_strdup(strings->data));
1543                                 g_free(newstr);
1544                                 continue;
1545                         }
1546
1547                         matcher_list = matcher_parser_get_cond(newstr, FALSE);
1548                         g_free(newstr);
1549
1550                         if (matcher_list) {
1551                                 quicksearch->extended_search_strings =
1552                                         g_list_prepend(
1553                                                 quicksearch->extended_search_strings,
1554                                                 g_strdup(strings->data));
1555                                 matcherlist_free(matcher_list);
1556                         } else
1557                                 quicksearch->normal_search_strings =
1558                                         g_list_prepend(
1559                                                 quicksearch->normal_search_strings,
1560                                                 g_strdup(strings->data));
1561                 }
1562
1563         } while ((strings = g_list_next(strings)) != NULL);
1564
1565         matcher_parser_disable_warnings(FALSE);
1566
1567         quicksearch->normal_search_strings = g_list_reverse(quicksearch->normal_search_strings);
1568         quicksearch->extended_search_strings = g_list_reverse(quicksearch->extended_search_strings);
1569
1570         quicksearch_set_popdown_strings(quicksearch);
1571 }
1572
1573 /*
1574  * Searches in the supplied folderItem the messages (MessageInfo) matching a
1575  * QuickSearchType + search string (ex.: QUICK_SEARCH_FROM and "foo@bar.com").
1576  *
1577  * Found messages are appended to the array 'messages' and their ref.counts
1578  * are incremented by 1 --so they need to be released (procmsg_msginfo_free())
1579  * before the array 'messages' is freed.
1580  */
1581 void search_msgs_in_folder(GSList **messages, QuickSearch* quicksearch,
1582                            FolderItem* folderItem)
1583 {
1584         /* from quicksearch_match_subfolder */
1585         GSList *msglist = NULL;
1586         GSList *cur;
1587
1588         /* The list is built w/ MsgInfo items whose ref.counts are incremented,
1589            but they are decremented when the list is freed by
1590            procmsg_msg_list_free(): we'll  ask for a new ref., below
1591         */
1592         msglist = folder_item_get_msg_list(folderItem);
1593
1594         for (cur = msglist; cur != NULL; cur = cur->next) {
1595                 MsgInfo *msg = (MsgInfo *)cur->data;
1596                 if (quicksearch_match(quicksearch, msg)) {
1597                         /*debug_print("found: %s from:%s\n",procmsg_get_message_file_path(msg),msg->from);*/
1598                         *messages = g_slist_prepend(*messages, procmsg_msginfo_new_ref(msg));
1599                 }
1600                 /* See 2.0.0cvs140 ChangeLog entry for details
1601                    see also comments in quicksearch_match() */
1602                 if (quicksearch_from_gui(quicksearch)==TRUE
1603                     && !quicksearch_is_active(quicksearch))
1604                         break;
1605         }
1606         procmsg_msg_list_free(msglist);
1607 }
1608
1609 /*
1610  * Searches within the folderItem and its sub-folders (if recursive is TRUE)
1611  * the messages matching the search request.
1612  *
1613  * NB: search within a Folder can be done this way:
1614  *         search_msg_in_folders(messages, quicksearch, searchType,
1615  *                               FOLDER_ITEM(folder->node->data), TRUE);
1616  */
1617 void search_msgs_in_folders(GSList **messages, QuickSearch* quicksearch,
1618                             FolderItem* folderItem)
1619 {
1620         FolderItem *cur = NULL;
1621
1622         search_msgs_in_folder(messages, quicksearch, folderItem);
1623         if (quicksearch->request->recursive == FALSE)
1624                 return;
1625
1626         GNode *node = folderItem->node->children;
1627         for (; node != NULL; node = node->next) {
1628                 cur = FOLDER_ITEM(node->data);
1629                 debug_print("in: %s\n",cur->path);
1630                 if (cur->node->children)
1631                         search_msgs_in_folders(messages, quicksearch, cur);
1632                 else
1633                         search_msgs_in_folder(messages, quicksearch, cur);
1634         }
1635         *messages = g_slist_reverse(*messages);
1636 }
1637
1638  /*
1639   * Returns the QuickSearchType associated to the supplied string.
1640   */
1641 QuickSearchType quicksearch_type(const gchar* type)
1642 {
1643         QuickSearchType searchType = QUICK_SEARCH_EXTENDED;
1644         if (!type)
1645                 return searchType;
1646         switch(toupper(*type)) {
1647         case 'S':
1648                 searchType = QUICK_SEARCH_SUBJECT;
1649         break;
1650         case 'F':
1651                 searchType = QUICK_SEARCH_FROM;
1652         break;
1653         case 'T':
1654                 searchType = QUICK_SEARCH_TO;
1655         break;
1656         case 'E':
1657                 searchType = QUICK_SEARCH_EXTENDED;
1658         break;
1659         case 'M':
1660                 searchType = QUICK_SEARCH_MIXED;
1661         break;
1662         case 'G':
1663                 searchType = QUICK_SEARCH_TAG;
1664         break;
1665         }
1666         return searchType;
1667 }