src/gtk/quicksearch.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2009 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 #include "gtkcmoptionmenu.h"
  33 #include "utils.h"
  34 #include "combobox.h"
  35 #include "menu.h"
  36 #include "prefs_common.h"
  37 #include "description_window.h"
  38 #include "matcher.h"
  39 #include "matcher_parser.h"
  40 #include "quicksearch.h"
  41 #include "folderview.h"
  42 #include "folder.h"
  43 #include "prefs_matcher.h"
  44 #include "claws.h"
  45 #include "statusbar.h"
  46
  47 struct _QuickSearch
  48 {
  49         GtkWidget                       *hbox_search;
  50         GtkWidget                       *search_type;
  51         GtkWidget                       *search_type_opt;
  52         GtkWidget                       *search_string_entry;
  53         GtkWidget                       *search_condition_expression;
  54         GtkWidget                       *search_description;
  55         GtkWidget                       *clear_search;
  56
  57         gboolean                         active;
  58         gchar                           *search_string;
  59         MatcherList                     *matcher_list;
  60
  61         QuickSearchExecuteCallback       callback;
  62         gpointer                         callback_data;
  63         gboolean                         running;
  64         gboolean                         has_focus;
  65         gboolean                         matching;
  66         gboolean                         deferred_free;
  67         FolderItem                      *root_folder_item;
  68         gboolean                         is_fast;
  69         gboolean                         in_typing;
  70         guint                            press_timeout_id;
  71
  72         /* dynamic and autorun qs settings are exclusive*/
  73         GtkWidget                        *dynamic_menuitem;
  74         GtkWidget                        *autorun_menuitem;
  75 };
  76
  77 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run);
  78 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active);
  79 static void quicksearch_reset_folder_items(QuickSearch *quicksearch, FolderItem *folder_item);
  80 static gchar *expand_search_string(const gchar *str);
  81 static gchar *expand_tag_search_string(const gchar *str);
  82
  83 gboolean quicksearch_is_fast(QuickSearch *quicksearch)
  84 {
  85         return quicksearch->is_fast;
  86 }
  87
  88 static void quicksearch_set_type(QuickSearch *quicksearch, gint type)
  89 {
  90         gint index;
  91         index = menu_find_option_menu_index(GTK_CMOPTION_MENU(quicksearch->search_type_opt),
  92                                         GINT_TO_POINTER(type),
  93                                         NULL);
  94         gtk_cmoption_menu_set_history(GTK_CMOPTION_MENU(quicksearch->search_type_opt), index);
  95 }
  96
  97 static gchar *quicksearch_get_text(QuickSearch * quicksearch)
  98 {
  99         gchar *search_string = gtk_editable_get_chars(GTK_EDITABLE(gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry)))), 0, -1);
 100
 101         g_strstrip(search_string);
 102         return search_string;
 103 }
 104
 105 static void prepare_matcher(QuickSearch *quicksearch)
 106 {
 107         gchar *search_string = quicksearch_get_text(quicksearch);
 108
 109         if (search_string == NULL || search_string[0] == '\0') {
 110                 quicksearch_set_active(quicksearch, FALSE);
 111         }
 112
 113         if (quicksearch->matcher_list != NULL) {
 114                 if (quicksearch->matching) {
 115                         quicksearch->deferred_free = TRUE;
 116                         g_free(search_string);
 117                         return;
 118                 }
 119                 quicksearch->deferred_free = FALSE;
 120                 matcherlist_free(quicksearch->matcher_list);
 121                 quicksearch->matcher_list = NULL;
 122         }
 123
 124         if (search_string == NULL || search_string[0] == '\0') {
 125                 g_free(search_string);
 126                 return;
 127         }
 128
 129         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
 130                 char *newstr = NULL;
 131
 132                 newstr = expand_search_string(search_string);
 133                 if (newstr && newstr[0] != '\0') {
 134                         quicksearch->matcher_list = matcher_parser_get_cond(newstr, &quicksearch->is_fast);
 135                         g_free(newstr);
 136                 } else {
 137                         quicksearch->matcher_list = NULL;
 138                         quicksearch_set_active(quicksearch, FALSE);
 139                         g_free(search_string);
 140                         return;
 141                 }
 142         } else if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_TAG) {
 143                 char *newstr = expand_tag_search_string(search_string);
 144                 quicksearch->matcher_list = matcher_parser_get_cond(newstr, &quicksearch->is_fast);
 145                 g_free(newstr);
 146         } else if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_MIXED) {
 147                 char *newstr = expand_tag_search_string(search_string);
 148                 quicksearch->matcher_list = matcher_parser_get_cond(newstr, &quicksearch->is_fast);
 149                 g_free(newstr);
 150                 g_free(quicksearch->search_string);
 151                 quicksearch->search_string = g_utf8_casefold(search_string, -1);
 152         } else {
 153                 quicksearch->is_fast = TRUE;
 154                 g_free(quicksearch->search_string);
 155                 quicksearch->search_string = g_utf8_casefold(search_string, -1);
 156         }
 157
 158         g_free(search_string);
 159         quicksearch_set_active(quicksearch, TRUE);
 160 }
 161
 162 static void update_extended_buttons (QuickSearch *quicksearch)
 163 {
 164         GtkWidget *expr_btn = quicksearch->search_condition_expression;
 165         GtkWidget *ext_btn = quicksearch->search_description;
 166
 167         g_return_if_fail(expr_btn != NULL);
 168         g_return_if_fail(ext_btn != NULL);
 169
 170         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
 171                 gtk_widget_show(expr_btn);
 172                 gtk_widget_show(ext_btn);
 173         } else {
 174                 gtk_widget_hide(expr_btn);
 175                 gtk_widget_hide(ext_btn);
 176         }
 177 }
 178
 179 static gboolean searchbar_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 180                                   QuickSearch *qs)
 181 {
 182         qs->has_focus = TRUE;
 183         return FALSE;
 184 }
 185
 186 static gboolean searchbar_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 187                                   QuickSearch *qs)
 188 {
 189         qs->has_focus = FALSE;
 190         qs->in_typing = FALSE;
 191         return FALSE;
 192 }
 193
 194 gboolean quicksearch_has_focus(QuickSearch *quicksearch)
 195 {
 196         return quicksearch->has_focus;
 197 }
 198
 199 static void searchbar_run(QuickSearch *quicksearch, gboolean run_only_if_fast)
 200 {
 201         gchar *search_string = quicksearch_get_text(quicksearch);
 202
 203         /* add to history */
 204         if (!quicksearch->in_typing && search_string && strlen(search_string) != 0) {
 205                 combobox_unset_popdown_strings(GTK_COMBO_BOX(quicksearch->search_string_entry));
 206                 prefs_common.summary_quicksearch_history =
 207                         add_history(prefs_common.summary_quicksearch_history,
 208                                         search_string);
 209                 combobox_set_popdown_strings(GTK_COMBO_BOX(quicksearch->search_string_entry),
 210                         prefs_common.summary_quicksearch_history);
 211         }
 212
 213         prepare_matcher(quicksearch);
 214         if (run_only_if_fast && !quicksearch->is_fast) {
 215                 g_free(search_string);
 216                 return;
 217         }
 218         if (quicksearch->matcher_list == NULL &&
 219             prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED &&
 220             search_string && strlen(search_string) != 0) {
 221                 g_free(search_string);
 222                 return;
 223         }
 224         quicksearch_set_running(quicksearch, TRUE);
 225         if (quicksearch->callback != NULL)
 226                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 227         quicksearch_set_running(quicksearch, FALSE);
 228         g_free(search_string);
 229 }
 230
 231 static int searchbar_changed_timeout(void *data)
 232 {
 233         QuickSearch *qs = (QuickSearch *)data;
 234         if (qs && prefs_common.summary_quicksearch_dynamic) {
 235                 qs->in_typing = TRUE;
 236                 searchbar_run(qs, TRUE);
 237         }
 238         return FALSE;
 239 }
 240
 241 static void searchbar_changed_cb(GtkWidget *widget, QuickSearch *qs)
 242 {
 243         if (!qs->has_focus && prefs_common.summary_quicksearch_autorun) {
 244                 gtk_widget_grab_focus(qs->search_string_entry);
 245                 searchbar_run(qs, TRUE);
 246                 return;
 247         }
 248
 249         if (prefs_common.summary_quicksearch_dynamic) {
 250                 if (qs->press_timeout_id != -1) {
 251                         g_source_remove(qs->press_timeout_id);
 252                 }
 253                 qs->press_timeout_id = g_timeout_add(500,
 254                                 searchbar_changed_timeout, qs);
 255         }
 256
 257         if (!qs->has_focus)
 258                 gtk_widget_grab_focus(qs->search_string_entry);
 259 }
 260
 261 static gboolean searchbar_pressed(GtkWidget *widget, GdkEventKey *event,
 262                                   QuickSearch *quicksearch)
 263 {
 264         if (event && (event->keyval == GDK_Escape)) {
 265                 gchar *str;
 266
 267                 quicksearch->in_typing = FALSE;
 268
 269                 str = quicksearch_get_text(quicksearch);
 270                 g_return_val_if_fail(str != NULL, TRUE);
 271
 272                 /* If the string entry is empty -> hide quicksearch bar. If not -> empty it */
 273                 if (!*str) {
 274                         summaryview_activate_quicksearch(
 275                                 mainwindow_get_mainwindow()->summaryview,
 276                                 FALSE);
 277                 } else {
 278                         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 279                         gtk_widget_grab_focus(
 280                                         mainwindow_get_mainwindow()->summaryview->ctree);
 281                 }
 282                 g_free(str);
 283                 return TRUE;
 284         }
 285
 286         if (event != NULL && (event->keyval == GDK_Return || event->keyval == GDK_KP_Enter)) {
 287                 if (quicksearch->press_timeout_id != -1) {
 288                         g_source_remove(quicksearch->press_timeout_id);
 289                         quicksearch->press_timeout_id = -1;
 290                 }
 291                 quicksearch->in_typing = FALSE;
 292                 /* add expression to history list and exec quicksearch */
 293                 searchbar_run(quicksearch, FALSE);
 294
 295                 g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
 296                 return TRUE;
 297         }
 298
 299         if (event && (event->keyval == GDK_Down || event->keyval == GDK_Up)) {
 300                 combobox_set_value_from_arrow_key(
 301                                 GTK_COMBO_BOX(quicksearch->search_string_entry),
 302                                 event->keyval);
 303                 return TRUE;
 304         }
 305
 306         return FALSE;
 307 }
 308
 309 static gboolean searchtype_changed(GtkMenuItem *widget, gpointer data)
 310 {
 311         QuickSearch *quicksearch = (QuickSearch *)data;
 312         gchar *search_string = quicksearch_get_text(quicksearch);
 313
 314         prefs_common.summary_quicksearch_type = GPOINTER_TO_INT(g_object_get_data(
 315                                    G_OBJECT(GTK_MENU_ITEM(gtk_menu_get_active(
 316                                    GTK_MENU(quicksearch->search_type)))), MENU_VAL_ID));
 317
 318         /* Show extended search description button, only when Extended is selected */
 319         update_extended_buttons(quicksearch);
 320
 321         if (!search_string || *(search_string) == 0) {
 322                 g_free(search_string);
 323                 return TRUE;
 324         }
 325
 326         prepare_matcher(quicksearch);
 327
 328         quicksearch_set_running(quicksearch, TRUE);
 329         if (quicksearch->callback != NULL)
 330                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 331         quicksearch_set_running(quicksearch, FALSE);
 332         g_free(search_string);
 333         return TRUE;
 334 }
 335
 336 static gboolean searchtype_recursive_changed(GtkMenuItem *widget, gpointer data)
 337 {
 338         QuickSearch *quicksearch = (QuickSearch *)data;
 339         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 340         gchar *search_string = quicksearch_get_text(quicksearch);
 341
 342         prefs_common.summary_quicksearch_recurse = checked;
 343
 344         /* reselect the search type */
 345         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
 346
 347         if (!search_string || *(search_string) == 0) {
 348                 g_free(search_string);
 349                 return TRUE;
 350         }
 351
 352         prepare_matcher(quicksearch);
 353
 354         quicksearch_set_running(quicksearch, TRUE);
 355         if (quicksearch->callback != NULL)
 356                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 357         quicksearch_set_running(quicksearch, FALSE);
 358         g_free(search_string);
 359         return TRUE;
 360 }
 361
 362 static gboolean searchtype_sticky_changed(GtkMenuItem *widget, gpointer data)
 363 {
 364         QuickSearch *quicksearch = (QuickSearch *)data;
 365         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 366
 367         prefs_common.summary_quicksearch_sticky = checked;
 368
 369         /* reselect the search type */
 370         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
 371
 372         return TRUE;
 373 }
 374
 375 static gboolean searchtype_dynamic_changed(GtkMenuItem *widget, gpointer data)
 376 {
 377         QuickSearch *quicksearch = (QuickSearch *)data;
 378         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 379
 380         prefs_common.summary_quicksearch_dynamic = checked;
 381         if (checked)
 382                 gtk_check_menu_item_set_active(
 383                                 GTK_CHECK_MENU_ITEM(quicksearch->autorun_menuitem),
 384                                 FALSE);
 385
 386         /* reselect the search type */
 387         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
 388
 389         return TRUE;
 390 }
 391
 392 static gboolean searchtype_autorun_changed(GtkMenuItem *widget, gpointer data)
 393 {
 394         QuickSearch *quicksearch = (QuickSearch *)data;
 395         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 396
 397         prefs_common.summary_quicksearch_autorun = checked;
 398         if (checked)
 399                 gtk_check_menu_item_set_active(
 400                                 GTK_CHECK_MENU_ITEM(quicksearch->dynamic_menuitem),
 401                                 FALSE);
 402
 403         /* reselect the search type */
 404         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
 405
 406         return TRUE;
 407 }
 408
 409 /*
 410  * Strings describing how to use Extended Search
 411  *
 412  * When adding new lines, remember to put 2 strings for each line
 413  */
 414 static gchar *search_descr_strings[] = {
 415         "a",     N_("all messages"),
 416         "ag #",  N_("messages whose age is greater than #"),
 417         "al #",  N_("messages whose age is less than #"),
 418         "b S",   N_("messages which contain S in the message body"),
 419         "B S",   N_("messages which contain S in the whole message"),
 420         "c S",   N_("messages carbon-copied to S"),
 421         "C S",   N_("message is either to: or cc: to S"),
 422         "D",     N_("deleted messages"), /** how I can filter deleted messages **/
 423         "e S",   N_("messages which contain S in the Sender field"),
 424         "E S",   N_("true if execute \"S\" succeeds"),
 425         "f S",   N_("messages originating from user S"),
 426         "F",     N_("forwarded messages"),
 427         "h S",   N_("messages which contain header S"),
 428         "i S",   N_("messages which contain S in Message-ID header"),
 429         "I S",   N_("messages which contain S in In-Reply-To header"),
 430         "k #",   N_("messages which are marked with color #"),
 431         "L",     N_("locked messages"),
 432         "n S",   N_("messages which are in newsgroup S"),
 433         "N",     N_("new messages"),
 434         "O",     N_("old messages"),
 435         "p",     N_("incomplete messages (not entirely downloaded)"),
 436         "r",     N_("messages which have been replied to"),
 437         "R",     N_("read messages"),
 438         "s S",   N_("messages which contain S in subject"),
 439         "se #",  N_("messages whose score is equal to #"),
 440         "sg #",  N_("messages whose score is greater than #"),
 441         "sl #",  N_("messages whose score is lower than #"),
 442         "Se #",  N_("messages whose size is equal to #"),
 443         "Sg #",  N_("messages whose size is greater than #"),
 444         "Ss #",  N_("messages whose size is smaller than #"),
 445         "t S",   N_("messages which have been sent to S"),
 446         "tg S",  N_("messages which tags contain S"),
 447         "tagged",N_("messages which have tag(s)"),
 448         "T",     N_("marked messages"),
 449         "U",     N_("unread messages"),
 450         "x S",   N_("messages which contain S in References header"),
 451         "X \"cmd args\"", N_("messages returning 0 when passed to command - %F is message file"),
 452         "y S",   N_("messages which contain S in X-Label header"),
 453         "",      "" ,
 454         "&amp;",         N_("logical AND operator"),
 455         "|",     N_("logical OR operator"),
 456         "! or ~",       N_("logical NOT operator"),
 457         "%",     N_("case sensitive search"),
 458         "",      "" ,
 459         " ",     N_("all filtering expressions are allowed"),
 460         NULL,    NULL
 461 };
 462
 463 static DescriptionWindow search_descr = {
 464         NULL,
 465         NULL,
 466         2,
 467         N_("Extended Search"),
 468         N_("Extended Search allows the user to define criteria that messages must "
 469            "have in order to match and be displayed in the message list.\n"
 470            "The following symbols can be used:"),
 471         search_descr_strings
 472 };
 473
 474 static void search_description_cb(GtkWidget *widget)
 475 {
 476         description_window_create(&search_descr);
 477 };
 478
 479 static gboolean clear_search_cb(GtkMenuItem *widget, gpointer data)
 480 {
 481         QuickSearch *quicksearch = (QuickSearch *)data;
 482
 483         if (!quicksearch->active)
 484                 return TRUE;
 485
 486         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 487
 488         return TRUE;
 489 };
 490
 491 static void search_condition_expr_done(MatcherList * matchers)
 492 {
 493         gchar *str;
 494
 495         g_return_if_fail(
 496                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL);
 497
 498         if (matchers == NULL)
 499                 return;
 500
 501         str = matcherlist_to_string(matchers);
 502
 503         if (str != NULL) {
 504                 quicksearch_set(mainwindow_get_mainwindow()->summaryview->quicksearch,
 505                                 prefs_common.summary_quicksearch_type, str);
 506                 g_free(str);
 507
 508                 /* add expression to history list and exec quicksearch */
 509                 searchbar_run(mainwindow_get_mainwindow()->summaryview->quicksearch, FALSE);
 510         }
 511 }
 512
 513 static gboolean search_condition_expr(GtkMenuItem *widget, gpointer data)
 514 {
 515         gchar * cond_str;
 516         MatcherList * matchers = NULL;
 517
 518         g_return_val_if_fail(
 519                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL,
 520                         FALSE);
 521
 522         /* re-use the current quicksearch value if it's a condition expression,
 523            otherwise ignore it silently */
 524         cond_str = quicksearch_get_text(mainwindow_get_mainwindow()->summaryview->quicksearch);
 525
 526         if (*cond_str != '\0') {
 527                 matchers = matcher_parser_get_cond((gchar*)cond_str, NULL);
 528         }
 529
 530         prefs_matcher_open(matchers, search_condition_expr_done);
 531
 532         if (matchers != NULL)
 533                 matcherlist_free(matchers);
 534
 535         g_free(cond_str);
 536
 537         return TRUE;
 538 };
 539
 540 QuickSearch *quicksearch_new()
 541 {
 542         QuickSearch *quicksearch;
 543
 544         GtkWidget *hbox_search;
 545         GtkWidget *search_type_opt;
 546         GtkWidget *search_type;
 547         GtkWidget *search_string_entry;
 548         GtkWidget *search_hbox;
 549         GtkWidget *search_description;
 550         GtkWidget *clear_search;
 551         GtkWidget *search_condition_expression;
 552         GtkWidget *menuitem;
 553         CLAWS_TIP_DECL();
 554         GtkWidget *vbox;
 555
 556         quicksearch = g_new0(QuickSearch, 1);
 557
 558         /* quick search */
 559         hbox_search = gtk_hbox_new(FALSE, 0);
 560
 561         search_type_opt = gtk_cmoption_menu_new();
 562         gtk_widget_show(search_type_opt);
 563         gtk_box_pack_start(GTK_BOX(hbox_search), search_type_opt, FALSE, FALSE, 0);
 564
 565         search_type = gtk_menu_new();
 566         MENUITEM_ADD (search_type, menuitem,
 567                         prefs_common_translated_header_name("Subject"), QUICK_SEARCH_SUBJECT);
 568         g_signal_connect(G_OBJECT(menuitem), "activate",
 569                          G_CALLBACK(searchtype_changed),
 570                          quicksearch);
 571         MENUITEM_ADD (search_type, menuitem,
 572                         prefs_common_translated_header_name("From"), QUICK_SEARCH_FROM);
 573         g_signal_connect(G_OBJECT(menuitem), "activate",
 574                          G_CALLBACK(searchtype_changed),
 575                          quicksearch);
 576         MENUITEM_ADD (search_type, menuitem,
 577                         prefs_common_translated_header_name("To"), QUICK_SEARCH_TO);
 578         g_signal_connect(G_OBJECT(menuitem), "activate",
 579                          G_CALLBACK(searchtype_changed),
 580                          quicksearch);
 581         MENUITEM_ADD (search_type, menuitem,
 582                         prefs_common_translated_header_name("Tag"), QUICK_SEARCH_TAG);
 583         g_signal_connect(G_OBJECT(menuitem), "activate",
 584                          G_CALLBACK(searchtype_changed),
 585                          quicksearch);
 586         MENUITEM_ADD (search_type, menuitem,
 587                         _("From/To/Subject/Tag"), QUICK_SEARCH_MIXED);
 588         g_signal_connect(G_OBJECT(menuitem), "activate",
 589                          G_CALLBACK(searchtype_changed),
 590                          quicksearch);
 591         MENUITEM_ADD (search_type, menuitem, _("Extended"), QUICK_SEARCH_EXTENDED);
 592         g_signal_connect(G_OBJECT(menuitem), "activate",
 593                          G_CALLBACK(searchtype_changed),
 594                          quicksearch);
 595
 596         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), gtk_separator_menu_item_new());
 597
 598         menuitem = gtk_check_menu_item_new_with_label(_("Recursive"));
 599         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 600
 601         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 602                                         prefs_common.summary_quicksearch_recurse);
 603
 604         g_signal_connect(G_OBJECT(menuitem), "activate",
 605                          G_CALLBACK(searchtype_recursive_changed),
 606                          quicksearch);
 607
 608         menuitem = gtk_check_menu_item_new_with_label(_("Sticky"));
 609         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 610
 611         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 612                                         prefs_common.summary_quicksearch_sticky);
 613
 614         g_signal_connect(G_OBJECT(menuitem), "activate",
 615                          G_CALLBACK(searchtype_sticky_changed),
 616                          quicksearch);
 617
 618         menuitem = gtk_check_menu_item_new_with_label(_("Type-ahead"));
 619         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 620
 621         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 622                                         prefs_common.summary_quicksearch_dynamic);
 623
 624         quicksearch->dynamic_menuitem = menuitem;
 625
 626         g_signal_connect(G_OBJECT(menuitem), "activate",
 627                          G_CALLBACK(searchtype_dynamic_changed),
 628                          quicksearch);
 629
 630         menuitem = gtk_check_menu_item_new_with_label(_("Run on select"));
 631         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 632
 633         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 634                                         prefs_common.summary_quicksearch_autorun);
 635
 636         quicksearch->autorun_menuitem = menuitem;
 637
 638         g_signal_connect(G_OBJECT(menuitem), "activate",
 639                          G_CALLBACK(searchtype_autorun_changed),
 640                          quicksearch);
 641
 642         gtk_cmoption_menu_set_menu(GTK_CMOPTION_MENU(search_type_opt), search_type);
 643
 644         quicksearch->search_type_opt = search_type_opt;
 645         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
 646
 647         gtk_widget_show(search_type);
 648
 649         search_string_entry = gtk_combo_box_entry_new_text ();
 650         gtk_combo_box_set_active(GTK_COMBO_BOX(search_string_entry), -1);
 651         if (prefs_common.summary_quicksearch_history)
 652                 combobox_set_popdown_strings(GTK_COMBO_BOX(search_string_entry),
 653                         prefs_common.summary_quicksearch_history);
 654
 655         vbox = gtk_vbox_new(TRUE, 0);
 656         gtk_box_pack_start(GTK_BOX(vbox), search_string_entry, FALSE, FALSE, 0);
 657         gtk_box_pack_start(GTK_BOX(hbox_search), vbox, FALSE, FALSE, 4);
 658
 659         gtk_widget_show(vbox);
 660         gtk_widget_show(search_string_entry);
 661
 662         search_hbox = gtk_hbox_new(FALSE, 5);
 663
 664 #if GTK_CHECK_VERSION(2, 8, 0)
 665         clear_search = gtk_button_new_from_stock(GTK_STOCK_CLEAR);
 666 #else
 667         clear_search = gtk_button_new_with_label(_(" Clear "));
 668 #endif
 669         gtk_box_pack_start(GTK_BOX(search_hbox), clear_search,
 670                            FALSE, FALSE, 0);
 671         g_signal_connect(G_OBJECT(clear_search), "clicked",
 672                          G_CALLBACK(clear_search_cb), quicksearch);
 673         CLAWS_SET_TIP(clear_search,
 674                              _("Clear the current search"));
 675         gtk_widget_show(clear_search);
 676
 677 #if GTK_CHECK_VERSION(2, 8, 0)
 678         search_condition_expression = gtk_button_new_from_stock(GTK_STOCK_EDIT);
 679 #else
 680         search_condition_expression = gtk_button_new_with_label(" ... ");
 681 #endif
 682         gtk_box_pack_start(GTK_BOX(search_hbox), search_condition_expression,
 683                            FALSE, FALSE, 0);
 684         g_signal_connect(G_OBJECT (search_condition_expression), "clicked",
 685                          G_CALLBACK(search_condition_expr),
 686                          quicksearch);
 687         CLAWS_SET_TIP(search_condition_expression,
 688                              _("Edit search criteria"));
 689         gtk_widget_show(search_condition_expression);
 690
 691 #if GTK_CHECK_VERSION(2, 8, 0)
 692         search_description = gtk_button_new_from_stock(GTK_STOCK_INFO);
 693 #else
 694         search_description = gtk_button_new_with_label(_(" Extended Symbols... "));
 695 #endif
 696         gtk_box_pack_start(GTK_BOX(search_hbox), search_description,
 697                            FALSE, FALSE, 0);
 698         g_signal_connect(G_OBJECT(search_description), "clicked",
 699                          G_CALLBACK(search_description_cb), NULL);
 700         CLAWS_SET_TIP(search_description,
 701                              _("Information about extended symbols"));
 702         gtk_widget_show(search_description);
 703
 704         gtk_box_pack_start(GTK_BOX(hbox_search), search_hbox, FALSE, FALSE, 2);
 705         gtk_widget_show(search_hbox);
 706
 707         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((search_string_entry)))),
 708                            "key_press_event",
 709                            G_CALLBACK(searchbar_pressed),
 710                            quicksearch);
 711
 712         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((search_string_entry)))),
 713                          "changed",
 714                          G_CALLBACK(searchbar_changed_cb),
 715                          quicksearch);
 716
 717         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((search_string_entry)))),
 718                          "focus_in_event",
 719                          G_CALLBACK(searchbar_focus_evt_in),
 720                          quicksearch);
 721         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((search_string_entry)))),
 722                          "focus_out_event",
 723                          G_CALLBACK(searchbar_focus_evt_out),
 724                          quicksearch);
 725
 726         quicksearch->hbox_search = hbox_search;
 727         quicksearch->search_type = search_type;
 728         quicksearch->search_string_entry = search_string_entry;
 729         quicksearch->search_condition_expression = search_condition_expression;
 730         quicksearch->search_description = search_description;
 731         quicksearch->matcher_list = NULL;
 732         quicksearch->active = FALSE;
 733         quicksearch->running = FALSE;
 734         quicksearch->clear_search = clear_search;
 735         quicksearch->in_typing = FALSE;
 736         quicksearch->press_timeout_id = -1;
 737
 738         update_extended_buttons(quicksearch);
 739
 740         return quicksearch;
 741 }
 742
 743 void quicksearch_relayout(QuickSearch *quicksearch)
 744 {
 745         switch (prefs_common.layout_mode) {
 746         case NORMAL_LAYOUT:
 747         case WIDE_LAYOUT:
 748         case WIDE_MSGLIST_LAYOUT:
 749 #if GTK_CHECK_VERSION(2, 8, 0)
 750                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_description), GTK_STOCK_INFO);
 751                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_condition_expression), GTK_STOCK_EDIT);
 752                 gtk_button_set_label(GTK_BUTTON(quicksearch->clear_search), GTK_STOCK_CLEAR);
 753 #else
 754                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_description), _(" Extended Symbols... "));
 755                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_condition_expression), " ... ");
 756                 gtk_button_set_label(GTK_BUTTON(quicksearch->clear_search), _(" Clear "));
 757 #endif
 758                 break;
 759         case VERTICAL_LAYOUT:
 760 #if GTK_CHECK_VERSION(2, 8, 0)
 761                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_description), "");
 762                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_condition_expression), "");
 763                 gtk_button_set_label(GTK_BUTTON(quicksearch->clear_search), "");
 764
 765                 gtk_button_set_image(GTK_BUTTON(quicksearch->search_description),
 766                         gtk_image_new_from_stock(GTK_STOCK_INFO, GTK_ICON_SIZE_BUTTON));
 767                 gtk_button_set_image(GTK_BUTTON(quicksearch->search_condition_expression),
 768                         gtk_image_new_from_stock(GTK_STOCK_EDIT, GTK_ICON_SIZE_BUTTON));
 769                 gtk_button_set_image(GTK_BUTTON(quicksearch->clear_search),
 770                         gtk_image_new_from_stock(GTK_STOCK_CLEAR, GTK_ICON_SIZE_BUTTON));
 771 #else
 772                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_description), _("Info"));
 773                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_condition_expression), "...");
 774                 gtk_button_set_label(GTK_BUTTON(quicksearch->clear_search), _("Clear"));
 775 #endif
 776                 break;
 777         }
 778 }
 779
 780 GtkWidget *quicksearch_get_widget(QuickSearch *quicksearch)
 781 {
 782         return quicksearch->hbox_search;
 783 }
 784
 785 void quicksearch_show(QuickSearch *quicksearch)
 786 {
 787         MainWindow *mainwin = mainwindow_get_mainwindow();
 788         GtkWidget *ctree = NULL;
 789         prepare_matcher(quicksearch);
 790         gtk_widget_show(quicksearch->hbox_search);
 791         update_extended_buttons(quicksearch);
 792         gtk_widget_grab_focus(
 793                 GTK_WIDGET(gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry)))));
 794
 795         GTK_EVENTS_FLUSH();
 796
 797         if (!mainwin || !mainwin->summaryview) {
 798                 return;
 799         }
 800
 801         ctree = summary_get_main_widget(mainwin->summaryview);
 802
 803         if (ctree && mainwin->summaryview->selected)
 804                 gtk_cmctree_node_moveto(GTK_CMCTREE(ctree),
 805                                 mainwin->summaryview->selected,
 806                                 0, 0.5, 0);
 807 }
 808
 809 void quicksearch_hide(QuickSearch *quicksearch)
 810 {
 811         if (quicksearch_is_active(quicksearch)) {
 812                 quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 813                 quicksearch_set_active(quicksearch, FALSE);
 814         }
 815         gtk_widget_hide(quicksearch->hbox_search);
 816 }
 817
 818 void quicksearch_set(QuickSearch *quicksearch, QuickSearchType type,
 819                      const gchar *matchstring)
 820 {
 821         quicksearch_set_type(quicksearch, type);
 822
 823         if (!matchstring || !(*matchstring))
 824                 quicksearch->in_typing = FALSE;
 825
 826         g_signal_handlers_block_by_func(G_OBJECT(gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry)))),
 827                         G_CALLBACK(searchbar_changed_cb), quicksearch);
 828         gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry)))),
 829                            matchstring);
 830         g_signal_handlers_unblock_by_func(G_OBJECT(gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry)))),
 831                         G_CALLBACK(searchbar_changed_cb), quicksearch);
 832
 833         prefs_common.summary_quicksearch_type = type;
 834
 835         prepare_matcher(quicksearch);
 836
 837         quicksearch_set_running(quicksearch, TRUE);
 838         if (quicksearch->callback != NULL)
 839                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 840         quicksearch_set_running(quicksearch, FALSE);
 841 }
 842
 843 gboolean quicksearch_is_active(QuickSearch *quicksearch)
 844 {
 845         return quicksearch->active &&
 846                 (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED
 847                  || quicksearch->matcher_list != NULL);
 848 }
 849
 850 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active)
 851 {
 852         static GdkColor yellow;
 853         static GdkColor red;
 854         static GdkColor black;
 855         static gboolean colors_initialised = FALSE;
 856         gboolean error = FALSE;
 857
 858         if (!colors_initialised) {
 859                 gdk_color_parse("#f5f6be", &yellow);
 860                 gdk_color_parse("#000000", &black);
 861                 gdk_color_parse("#ff7070", &red);
 862                 colors_initialised = gdk_colormap_alloc_color(
 863                         gdk_colormap_get_system(), &yellow, FALSE, TRUE);
 864                 colors_initialised &= gdk_colormap_alloc_color(
 865                         gdk_colormap_get_system(), &black, FALSE, TRUE);
 866                 colors_initialised &= gdk_colormap_alloc_color(
 867                         gdk_colormap_get_system(), &red, FALSE, TRUE);
 868         }
 869
 870         quicksearch->active = active;
 871
 872         if (active &&
 873                 (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED
 874                  && quicksearch->matcher_list == NULL))
 875                 error = TRUE;
 876
 877         if (active) {
 878                 gtk_widget_set_sensitive(quicksearch->clear_search, TRUE);
 879                 if (colors_initialised) {
 880                         gtk_widget_modify_base(
 881                                 gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry))),
 882                                 GTK_STATE_NORMAL, error ? &red : &yellow);
 883                         gtk_widget_modify_text(
 884                                 gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry))),
 885                                 GTK_STATE_NORMAL, &black);
 886                 }
 887         } else {
 888                 gtk_widget_set_sensitive(quicksearch->clear_search, FALSE);
 889                 if (colors_initialised) {
 890                         gtk_widget_modify_base(
 891                                 gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry))),
 892                                 GTK_STATE_NORMAL, NULL);
 893                         gtk_widget_modify_text(
 894                                 gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry))),
 895                                 GTK_STATE_NORMAL, NULL);
 896                 }
 897         }
 898
 899         if (!active) {
 900                 quicksearch_reset_cur_folder_item(quicksearch);
 901         }
 902 }
 903
 904 void quicksearch_set_execute_callback(QuickSearch *quicksearch,
 905                                       QuickSearchExecuteCallback callback,
 906                                       gpointer data)
 907 {
 908         quicksearch->callback = callback;
 909         quicksearch->callback_data = data;
 910 }
 911
 912 gboolean quicksearch_match(QuickSearch *quicksearch, MsgInfo *msginfo)
 913 {
 914         gchar *searched_header = NULL;
 915         gboolean result = FALSE;
 916         gchar *to = NULL, *from = NULL, *subject = NULL;
 917
 918         if (!quicksearch->active)
 919                 return TRUE;
 920
 921         switch (prefs_common.summary_quicksearch_type) {
 922         case QUICK_SEARCH_SUBJECT:
 923                 if (msginfo->subject)
 924                         searched_header = g_utf8_casefold(msginfo->subject, -1);
 925                 else
 926                         return FALSE;
 927                 break;
 928         case QUICK_SEARCH_FROM:
 929                 if (msginfo->from)
 930                         searched_header = g_utf8_casefold(msginfo->from, -1);
 931                 else
 932                         return FALSE;
 933                 break;
 934         case QUICK_SEARCH_TO:
 935                 if (msginfo->to)
 936                         searched_header = g_utf8_casefold(msginfo->to, -1);
 937                 else
 938                         return FALSE;
 939                 break;
 940         case QUICK_SEARCH_MIXED:
 941                 if (msginfo->to)
 942                         to = g_utf8_casefold(msginfo->to, -1);
 943                 if (msginfo->from)
 944                         from = g_utf8_casefold(msginfo->from, -1);
 945                 if (msginfo->subject)
 946                         subject = g_utf8_casefold(msginfo->subject, -1);
 947                 break;
 948         case QUICK_SEARCH_EXTENDED:
 949                 break;
 950         default:
 951                 debug_print("unknown search type (%d)\n", prefs_common.summary_quicksearch_type);
 952                 break;
 953         }
 954
 955         quicksearch->matching = TRUE;
 956         if (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED &&
 957             prefs_common.summary_quicksearch_type != QUICK_SEARCH_MIXED &&
 958             prefs_common.summary_quicksearch_type != QUICK_SEARCH_TAG &&
 959             quicksearch->search_string &&
 960             searched_header && strstr(searched_header, quicksearch->search_string) != NULL)
 961                 result = TRUE;
 962         else if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_MIXED &&
 963                 quicksearch->search_string && (
 964                 (to && strstr(to, quicksearch->search_string) != NULL) ||
 965                 (from && strstr(from, quicksearch->search_string) != NULL) ||
 966                 (subject && strstr(subject, quicksearch->search_string) != NULL) ||
 967                 ((quicksearch->matcher_list != NULL) &&
 968                  matcherlist_match(quicksearch->matcher_list, msginfo))  ))
 969                 result = TRUE;
 970         else if ((quicksearch->matcher_list != NULL) &&
 971                  matcherlist_match(quicksearch->matcher_list, msginfo))
 972                 result = TRUE;
 973
 974         quicksearch->matching = FALSE;
 975         if (quicksearch->deferred_free) {
 976                 prepare_matcher(quicksearch);
 977         }
 978
 979         g_free(to);
 980         g_free(from);
 981         g_free(subject);
 982         g_free(searched_header);
 983
 984         return result;
 985 }
 986
 987 /* allow Mutt-like patterns in quick search */
 988 static gchar *expand_search_string(const gchar *search_string)
 989 {
 990         int i = 0;
 991         gchar term_char, save_char;
 992         gchar *cmd_start, *cmd_end;
 993         GString *matcherstr;
 994         gchar *returnstr = NULL;
 995         gchar *copy_str;
 996         gboolean casesens, dontmatch;
 997         /* list of allowed pattern abbreviations */
 998         struct {
 999                 gchar           *abbreviated;   /* abbreviation */
1000                 gchar           *command;       /* actual matcher command */
1001                 gint            numparams;      /* number of params for cmd */
1002                 gboolean        qualifier;      /* do we append regexpcase */
1003                 gboolean        quotes;         /* do we need quotes */
1004         }
1005         cmds[] = {
1006                 { "a",  "all",                          0,      FALSE,  FALSE },
1007                 { "ag", "age_greater",                  1,      FALSE,  FALSE },
1008                 { "al", "age_lower",                    1,      FALSE,  FALSE },
1009                 { "b",  "body_part",                    1,      TRUE,   TRUE  },
1010                 { "B",  "message",                      1,      TRUE,   TRUE  },
1011                 { "c",  "cc",                           1,      TRUE,   TRUE  },
1012                 { "C",  "to_or_cc",                     1,      TRUE,   TRUE  },
1013                 { "D",  "deleted",                      0,      FALSE,  FALSE },
1014                 { "e",  "header \"Sender\"",            1,      TRUE,   TRUE  },
1015                 { "E",  "execute",                      1,      FALSE,  TRUE  },
1016                 { "f",  "from",                         1,      TRUE,   TRUE  },
1017                 { "F",  "forwarded",                    0,      FALSE,  FALSE },
1018                 { "h",  "headers_part",                 1,      TRUE,   TRUE  },
1019                 { "i",  "header \"Message-ID\"",        1,      TRUE,   TRUE  },
1020                 { "I",  "inreplyto",                    1,      TRUE,   TRUE  },
1021                 { "k",  "colorlabel",                   1,      FALSE,  FALSE },
1022                 { "L",  "locked",                       0,      FALSE,  FALSE },
1023                 { "n",  "newsgroups",                   1,      TRUE,   TRUE  },
1024                 { "N",  "new",                          0,      FALSE,  FALSE },
1025                 { "O",  "~new",                         0,      FALSE,  FALSE },
1026                 { "r",  "replied",                      0,      FALSE,  FALSE },
1027                 { "R",  "~unread",                      0,      FALSE,  FALSE },
1028                 { "s",  "subject",                      1,      TRUE,   TRUE  },
1029                 { "se", "score_equal",                  1,      FALSE,  FALSE },
1030                 { "sg", "score_greater",                1,      FALSE,  FALSE },
1031                 { "sl", "score_lower",                  1,      FALSE,  FALSE },
1032                 { "Se", "size_equal",                   1,      FALSE,  FALSE },
1033                 { "Sg", "size_greater",                 1,      FALSE,  FALSE },
1034                 { "Ss", "size_smaller",                 1,      FALSE,  FALSE },
1035                 { "t",  "to",                           1,      TRUE,   TRUE  },
1036                 { "tg", "tag",                          1,      TRUE,   TRUE  },
1037                 { "T",  "marked",                       0,      FALSE,  FALSE },
1038                 { "U",  "unread",                       0,      FALSE,  FALSE },
1039                 { "x",  "header \"References\"",        1,      TRUE,   TRUE  },
1040                 { "X",  "test",                         1,      FALSE,  FALSE },
1041                 { "y",  "header \"X-Label\"",           1,      TRUE,   TRUE  },
1042                 { "&",  "&",                            0,      FALSE,  FALSE },
1043                 { "|",  "|",                            0,      FALSE,  FALSE },
1044                 { "p",  "partial",                      0,      FALSE,  FALSE },
1045                 { NULL, NULL,                           0,      FALSE,  FALSE }
1046         };
1047
1048         if (search_string == NULL)
1049                 return NULL;
1050
1051         copy_str = g_strdup(search_string);
1052
1053         matcherstr = g_string_sized_new(16);
1054         cmd_start = copy_str;
1055         while (cmd_start && *cmd_start) {
1056                 /* skip all white spaces */
1057                 while (*cmd_start && isspace((guchar)*cmd_start))
1058                         cmd_start++;
1059                 cmd_end = cmd_start;
1060
1061                 /* extract a command */
1062                 while (*cmd_end && !isspace((guchar)*cmd_end))
1063                         cmd_end++;
1064
1065                 /* save character */
1066                 save_char = *cmd_end;
1067                 *cmd_end = '\0';
1068
1069                 dontmatch = FALSE;
1070                 casesens = FALSE;
1071
1072                 /* ~ and ! mean logical NOT */
1073                 if (*cmd_start == '~' || *cmd_start == '!')
1074                 {
1075                         dontmatch = TRUE;
1076                         cmd_start++;
1077                 }
1078                 /* % means case sensitive match */
1079                 if (*cmd_start == '%')
1080                 {
1081                         casesens = TRUE;
1082                         cmd_start++;
1083                 }
1084
1085                 /* find matching abbreviation */
1086                 for (i = 0; cmds[i].command; i++) {
1087                         if (!strcmp(cmd_start, cmds[i].abbreviated)) {
1088                                 /* restore character */
1089                                 *cmd_end = save_char;
1090
1091                                 /* copy command */
1092                                 if (matcherstr->len > 0) {
1093                                         g_string_append(matcherstr, " ");
1094                                 }
1095                                 if (dontmatch)
1096                                         g_string_append(matcherstr, "~");
1097                                 g_string_append(matcherstr, cmds[i].command);
1098                                 g_string_append(matcherstr, " ");
1099
1100                                 /* stop if no params required */
1101                                 if (cmds[i].numparams == 0)
1102                                         break;
1103
1104                                 /* extract a parameter, allow quotes */
1105                                 while (*cmd_end && isspace((guchar)*cmd_end))
1106                                         cmd_end++;
1107
1108                                 cmd_start = cmd_end;
1109                                 if (*cmd_start == '"') {
1110                                         term_char = '"';
1111                                         cmd_end++;
1112                                 }
1113                                 else
1114                                         term_char = ' ';
1115
1116                                 /* extract actual parameter */
1117                                 while ((*cmd_end) && (*cmd_end != term_char))
1118                                         cmd_end++;
1119
1120                                 if (*cmd_end == '"')
1121                                         cmd_end++;
1122
1123                                 save_char = *cmd_end;
1124                                 *cmd_end = '\0';
1125
1126                                 if (cmds[i].qualifier) {
1127                                         if (casesens)
1128                                                 g_string_append(matcherstr, "regexp ");
1129                                         else
1130                                                 g_string_append(matcherstr, "regexpcase ");
1131                                 }
1132
1133                                 /* do we need to add quotes ? */
1134                                 if (cmds[i].quotes && term_char != '"')
1135                                         g_string_append(matcherstr, "\"");
1136
1137                                 /* copy actual parameter */
1138                                 g_string_append(matcherstr, cmd_start);
1139
1140                                 /* do we need to add quotes ? */
1141                                 if (cmds[i].quotes && term_char != '"')
1142                                         g_string_append(matcherstr, "\"");
1143
1144                                 /* restore original character */
1145                                 *cmd_end = save_char;
1146
1147                                 break;
1148                         }
1149                 }
1150
1151                 if (*cmd_end)
1152                         cmd_end++;
1153                 cmd_start = cmd_end;
1154         }
1155
1156         g_free(copy_str);
1157
1158         /* return search string if no match is found to allow
1159            all available filtering expressions in quicksearch */
1160         if (matcherstr->len > 0) returnstr = matcherstr->str;
1161         else returnstr = g_strdup(search_string);
1162
1163         g_string_free(matcherstr, FALSE);
1164         return returnstr;
1165 }
1166
1167 static gchar *expand_tag_search_string(const gchar *search_string)
1168 {
1169         gchar *newstr = NULL;
1170         gchar **words = search_string ? g_strsplit(search_string, " ", -1):NULL;
1171         gint i = 0;
1172         while (words && words[i] && *words[i]) {
1173                 g_strstrip(words[i]);
1174                 if (!newstr) {
1175                         newstr = g_strdup_printf("tag regexpcase \"%s\"", words[i]);
1176                 } else {
1177                         gint o_len = strlen(newstr);
1178                         gint s_len = 18; /* strlen("|tag regexpcase \"\"") */
1179                         gint n_len = s_len + strlen(words[i]);
1180                         newstr = g_realloc(newstr,o_len+n_len+1);
1181                         strcpy(newstr+o_len, "|tag regexpcase \"");
1182                         strcpy(newstr+o_len+(s_len-1), words[i]);
1183                         strcpy(newstr+o_len+(n_len-1), "\"");
1184                 }
1185                 i++;
1186         }
1187         g_strfreev(words);
1188         return newstr;
1189 }
1190
1191 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run)
1192 {
1193         quicksearch->running = run;
1194 }
1195
1196 gboolean quicksearch_is_running(QuickSearch *quicksearch)
1197 {
1198         return quicksearch->running;
1199 }
1200
1201 void quicksearch_pass_key(QuickSearch *quicksearch, guint val, GdkModifierType mod)
1202 {
1203         GtkEntry *entry = GTK_ENTRY(gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry))));
1204         glong curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
1205         guint32 c;
1206         char *str = g_strdup(gtk_entry_get_text(entry));
1207         char *begin = str;
1208         char *end = NULL;
1209         char *new = NULL;
1210         char key[7] = "";
1211         guint char_len = 0;
1212
1213         if (gtk_editable_get_selection_bounds(GTK_EDITABLE(entry), NULL, NULL)) {
1214                 /* remove selection */
1215                 gtk_editable_delete_selection(GTK_EDITABLE(entry));
1216                 curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
1217                 /* refresh string */
1218                 g_free(str);
1219                 str = g_strdup(gtk_entry_get_text(entry));
1220                 begin = str;
1221         }
1222
1223         if (!(c = gdk_keyval_to_unicode(val))) {
1224                 g_free(str);
1225                 return;
1226         }
1227         char_len = g_unichar_to_utf8(c, key);
1228         if (char_len < 0)
1229                 return;
1230         key[char_len] = '\0';
1231         if (curpos < g_utf8_strlen(str, -1)) {
1232                 gchar *stop = g_utf8_offset_to_pointer(begin, curpos);
1233                 end = g_strdup(g_utf8_offset_to_pointer(str, curpos));
1234                 *stop = '\0';
1235                 new = g_strdup_printf("%s%s%s", begin, key, end);
1236                 gtk_entry_set_text(entry, new);
1237                 g_free(end);
1238         } else {
1239                 new = g_strdup_printf("%s%s", begin, key);
1240                 gtk_entry_set_text(entry, new);
1241         }
1242         g_free(str);
1243         g_free(new);
1244         gtk_editable_set_position(GTK_EDITABLE(entry), curpos+1);
1245
1246 }
1247
1248 static gboolean quicksearch_match_subfolder(QuickSearch *quicksearch,
1249                                  FolderItem *src)
1250 {
1251         GSList *msglist = NULL;
1252         GSList *cur;
1253         gboolean result = FALSE;
1254         gint num = 0, total = 0;
1255         gint interval = quicksearch_is_fast(quicksearch) ? 5000:100;
1256
1257         statusbar_print_all(_("Searching in %s... \n"),
1258                 src->path ? src->path : "(null)");
1259
1260         msglist = folder_item_get_msg_list(src);
1261         total = src->total_msgs;
1262         folder_item_update_freeze();
1263         for (cur = msglist; cur != NULL; cur = cur->next) {
1264                 MsgInfo *msg = (MsgInfo *)cur->data;
1265                 statusbar_progress_all(num++,total, interval);
1266                 if (quicksearch_match(quicksearch, msg)) {
1267                         result = TRUE;
1268                         break;
1269                 }
1270                 if (num % interval == 0)
1271                         GTK_EVENTS_FLUSH();
1272                 if (!quicksearch_is_active(quicksearch))
1273                         break;
1274         }
1275         folder_item_update_thaw();
1276         statusbar_progress_all(0,0,0);
1277         statusbar_pop_all();
1278
1279         procmsg_msg_list_free(msglist);
1280         return result;
1281 }
1282
1283 gboolean quicksearch_is_in_subfolder(QuickSearch *quicksearch, FolderItem *cur)
1284 {
1285         if (quicksearch->root_folder_item == NULL)
1286                 return FALSE;
1287
1288         while (cur) {
1289                 if (cur == quicksearch->root_folder_item) {
1290                         return TRUE;
1291                 }
1292                 cur = folder_item_parent(cur);
1293         }
1294         return FALSE;
1295 }
1296
1297 void quicksearch_search_subfolders(QuickSearch *quicksearch,
1298                                    FolderView *folderview,
1299                                    FolderItem *folder_item)
1300 {
1301         FolderItem *cur = NULL;
1302         GNode *node = folder_item->node->children;
1303
1304         if (!prefs_common.summary_quicksearch_recurse
1305         ||  quicksearch->in_typing == TRUE)
1306                 return;
1307
1308         for (; node != NULL; node = node->next) {
1309                 cur = FOLDER_ITEM(node->data);
1310                 if (quicksearch_match_subfolder(quicksearch, cur)) {
1311                         folderview_update_search_icon(cur, TRUE);
1312                 } else {
1313                         folderview_update_search_icon(cur, FALSE);
1314                 }
1315                 if (cur->node->children)
1316                         quicksearch_search_subfolders(quicksearch,
1317                                                       folderview,
1318                                                       cur);
1319         }
1320         quicksearch->root_folder_item = folder_item;
1321         if (!quicksearch_is_active(quicksearch))
1322                 quicksearch_reset_cur_folder_item(quicksearch);
1323 }
1324
1325 static void quicksearch_reset_folder_items(QuickSearch *quicksearch,
1326                                     FolderItem *folder_item)
1327 {
1328         FolderItem *cur = NULL;
1329         GNode *node = (folder_item && folder_item->node) ?
1330                         folder_item->node->children : NULL;
1331
1332         for (; node != NULL; node = node->next) {
1333                 cur = FOLDER_ITEM(node->data);
1334                 folderview_update_search_icon(cur, FALSE);
1335                 if (cur->node->children)
1336                         quicksearch_reset_folder_items(quicksearch,
1337                                                        cur);
1338         }
1339 }
1340
1341 void quicksearch_reset_cur_folder_item(QuickSearch *quicksearch)
1342 {
1343         if (quicksearch->root_folder_item)
1344                 quicksearch_reset_folder_items(quicksearch,
1345                                                quicksearch->root_folder_item);
1346
1347         quicksearch->root_folder_item = NULL;
1348 }
1349
1350 gboolean quicksearch_is_in_typing(QuickSearch *quicksearch)
1351 {
1352         return quicksearch->in_typing;
1353 }