src/gtk/quicksearch.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 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 "utils.h"
  33 #include "combobox.h"
  34 #include "menu.h"
  35 #include "prefs_common.h"
  36 #include "description_window.h"
  37 #include "matcher.h"
  38 #include "matcher_parser.h"
  39 #include "quicksearch.h"
  40 #include "folderview.h"
  41 #include "folder.h"
  42 #include "prefs_matcher.h"
  43 #include "claws.h"
  44 #include "statusbar.h"
  45
  46 struct _QuickSearch
  47 {
  48         GtkWidget                       *hbox_search;
  49         GtkWidget                       *search_type;
  50         GtkWidget                       *search_type_opt;
  51         GtkWidget                       *search_string_entry;
  52         GtkWidget                       *search_condition_expression;
  53         GtkWidget                       *search_description;
  54         GtkWidget                       *clear_search;
  55
  56         gboolean                         active;
  57         gchar                           *search_string;
  58         MatcherList                     *matcher_list;
  59
  60         QuickSearchExecuteCallback       callback;
  61         gpointer                         callback_data;
  62         gboolean                         running;
  63         gboolean                         has_focus;
  64         gboolean                         matching;
  65         gboolean                         deferred_free;
  66         FolderItem                      *root_folder_item;
  67         gboolean                         is_fast;
  68         gboolean                         in_typing;
  69         guint                            press_timeout_id;
  70
  71         /* dynamic and autorun qs settings are exclusive*/
  72         GtkWidget                        *dynamic_menuitem;
  73         GtkWidget                        *autorun_menuitem;
  74 };
  75
  76 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run);
  77 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active);
  78 static void quicksearch_reset_folder_items(QuickSearch *quicksearch, FolderItem *folder_item);
  79 static gchar *expand_search_string(const gchar *str);
  80 static gchar *expand_tag_search_string(const gchar *str);
  81
  82 gboolean quicksearch_is_fast(QuickSearch *quicksearch)
  83 {
  84         return quicksearch->is_fast;
  85 }
  86
  87 static void quicksearch_set_type(QuickSearch *quicksearch, gint type)
  88 {
  89         gint index;
  90         index = menu_find_option_menu_index(GTK_OPTION_MENU(quicksearch->search_type_opt),
  91                                         GINT_TO_POINTER(type),
  92                                         NULL);
  93         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt), index);
  94 }
  95
  96 static gchar *quicksearch_get_text(QuickSearch * quicksearch)
  97 {
  98         gchar *search_string = gtk_editable_get_chars(GTK_EDITABLE(GTK_BIN(quicksearch->search_string_entry)->child), 0, -1);
  99
 100         g_strstrip(search_string);
 101         return search_string;
 102 }
 103
 104 static void prepare_matcher(QuickSearch *quicksearch)
 105 {
 106         gchar *search_string = quicksearch_get_text(quicksearch);
 107
 108         if (search_string == NULL || search_string[0] == '\0') {
 109                 quicksearch_set_active(quicksearch, FALSE);
 110         }
 111
 112         if (quicksearch->matcher_list != NULL) {
 113                 if (quicksearch->matching) {
 114                         quicksearch->deferred_free = TRUE;
 115                         g_free(search_string);
 116                         return;
 117                 }
 118                 quicksearch->deferred_free = FALSE;
 119                 matcherlist_free(quicksearch->matcher_list);
 120                 quicksearch->matcher_list = NULL;
 121         }
 122
 123         if (search_string == NULL || search_string[0] == '\0') {
 124                 g_free(search_string);
 125                 return;
 126         }
 127
 128         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
 129                 char *newstr = NULL;
 130
 131                 newstr = expand_search_string(search_string);
 132                 if (newstr && newstr[0] != '\0') {
 133                         quicksearch->matcher_list = matcher_parser_get_cond(newstr, &quicksearch->is_fast);
 134                         g_free(newstr);
 135                 } else {
 136                         quicksearch->matcher_list = NULL;
 137                         quicksearch_set_active(quicksearch, FALSE);
 138                         g_free(search_string);
 139                         return;
 140                 }
 141         } else if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_TAG) {
 142                 char *newstr = expand_tag_search_string(search_string);
 143                 quicksearch->matcher_list = matcher_parser_get_cond(newstr, &quicksearch->is_fast);
 144                 g_free(newstr);
 145         } else if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_MIXED) {
 146                 char *newstr = expand_tag_search_string(search_string);
 147                 quicksearch->matcher_list = matcher_parser_get_cond(newstr, &quicksearch->is_fast);
 148                 g_free(newstr);
 149                 g_free(quicksearch->search_string);
 150                 quicksearch->search_string = g_utf8_casefold(search_string, -1);
 151         } else {
 152                 quicksearch->is_fast = TRUE;
 153                 g_free(quicksearch->search_string);
 154                 quicksearch->search_string = g_utf8_casefold(search_string, -1);
 155         }
 156
 157         g_free(search_string);
 158         quicksearch_set_active(quicksearch, TRUE);
 159 }
 160
 161 static void update_extended_buttons (QuickSearch *quicksearch)
 162 {
 163         GtkWidget *expr_btn = quicksearch->search_condition_expression;
 164         GtkWidget *ext_btn = quicksearch->search_description;
 165
 166         g_return_if_fail(expr_btn != NULL);
 167         g_return_if_fail(ext_btn != NULL);
 168
 169         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
 170                 gtk_widget_show(expr_btn);
 171                 gtk_widget_show(ext_btn);
 172         } else {
 173                 gtk_widget_hide(expr_btn);
 174                 gtk_widget_hide(ext_btn);
 175         }
 176 }
 177
 178 static gboolean searchbar_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 179                                   QuickSearch *qs)
 180 {
 181         qs->has_focus = TRUE;
 182         return FALSE;
 183 }
 184
 185 static gboolean searchbar_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 186                                   QuickSearch *qs)
 187 {
 188         qs->has_focus = FALSE;
 189         qs->in_typing = FALSE;
 190         return FALSE;
 191 }
 192
 193 gboolean quicksearch_has_focus(QuickSearch *quicksearch)
 194 {
 195         return quicksearch->has_focus;
 196 }
 197
 198 static void searchbar_run(QuickSearch *quicksearch, gboolean run_only_if_fast)
 199 {
 200         gchar *search_string = quicksearch_get_text(quicksearch);
 201
 202         /* add to history */
 203         if (!quicksearch->in_typing && search_string && strlen(search_string) != 0) {
 204                 combobox_unset_popdown_strings(GTK_COMBO_BOX(quicksearch->search_string_entry));
 205                 prefs_common.summary_quicksearch_history =
 206                         add_history(prefs_common.summary_quicksearch_history,
 207                                         search_string);
 208                 combobox_set_popdown_strings(GTK_COMBO_BOX(quicksearch->search_string_entry),
 209                         prefs_common.summary_quicksearch_history);
 210         }
 211
 212         prepare_matcher(quicksearch);
 213         if (run_only_if_fast && !quicksearch->is_fast) {
 214                 g_free(search_string);
 215                 return;
 216         }
 217         if (quicksearch->matcher_list == NULL &&
 218             prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED &&
 219             search_string && strlen(search_string) != 0) {
 220                 g_free(search_string);
 221                 return;
 222         }
 223         quicksearch_set_running(quicksearch, TRUE);
 224         if (quicksearch->callback != NULL)
 225                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 226         quicksearch_set_running(quicksearch, FALSE);
 227         g_free(search_string);
 228 }
 229
 230 static int searchbar_changed_timeout(void *data)
 231 {
 232         QuickSearch *qs = (QuickSearch *)data;
 233         if (qs && prefs_common.summary_quicksearch_dynamic) {
 234                 qs->in_typing = TRUE;
 235                 searchbar_run(qs, TRUE);
 236         }
 237         return FALSE;
 238 }
 239
 240 static void searchbar_changed_cb(GtkWidget *widget, QuickSearch *qs)
 241 {
 242         if (!qs->has_focus && prefs_common.summary_quicksearch_autorun) {
 243                 gtk_widget_grab_focus(qs->search_string_entry);
 244                 searchbar_run(qs, TRUE);
 245                 return;
 246         }
 247
 248         if (prefs_common.summary_quicksearch_dynamic) {
 249                 if (qs->press_timeout_id != -1) {
 250                         g_source_remove(qs->press_timeout_id);
 251                 }
 252                 qs->press_timeout_id = g_timeout_add(500,
 253                                 searchbar_changed_timeout, qs);
 254         }
 255
 256         if (!qs->has_focus)
 257                 gtk_widget_grab_focus(qs->search_string_entry);
 258 }
 259
 260 static gboolean searchbar_pressed(GtkWidget *widget, GdkEventKey *event,
 261                                   QuickSearch *quicksearch)
 262 {
 263         if (event && (event->keyval == GDK_Escape)) {
 264                 gchar *str;
 265
 266                 quicksearch->in_typing = FALSE;
 267
 268                 str = quicksearch_get_text(quicksearch);
 269                 g_return_val_if_fail(str != NULL, TRUE);
 270
 271                 /* If the string entry is empty -> hide quicksearch bar. If not -> empty it */
 272                 if (!*str) {
 273                         summaryview_activate_quicksearch(
 274                                 mainwindow_get_mainwindow()->summaryview,
 275                                 FALSE);
 276                 } else {
 277                         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 278                         gtk_widget_grab_focus(
 279                                         mainwindow_get_mainwindow()->summaryview->ctree);
 280                 }
 281                 g_free(str);
 282                 return TRUE;
 283         }
 284
 285         if (event != NULL && (event->keyval == GDK_Return || event->keyval == GDK_KP_Enter)) {
 286                 if (quicksearch->press_timeout_id != -1) {
 287                         g_source_remove(quicksearch->press_timeout_id);
 288                         quicksearch->press_timeout_id = -1;
 289                 }
 290                 quicksearch->in_typing = FALSE;
 291                 /* add expression to history list and exec quicksearch */
 292                 searchbar_run(quicksearch, FALSE);
 293
 294                 g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
 295                 return TRUE;
 296         }
 297
 298         if (event && (event->keyval == GDK_Down || event->keyval == GDK_Up)) {
 299                 combobox_set_value_from_arrow_key(
 300                                 GTK_COMBO_BOX(quicksearch->search_string_entry),
 301                                 event->keyval);
 302                 return TRUE;
 303         }
 304
 305         return FALSE;
 306 }
 307
 308 static gboolean searchtype_changed(GtkMenuItem *widget, gpointer data)
 309 {
 310         QuickSearch *quicksearch = (QuickSearch *)data;
 311         gchar *search_string = quicksearch_get_text(quicksearch);
 312
 313         prefs_common.summary_quicksearch_type = GPOINTER_TO_INT(g_object_get_data(
 314                                    G_OBJECT(GTK_MENU_ITEM(gtk_menu_get_active(
 315                                    GTK_MENU(quicksearch->search_type)))), MENU_VAL_ID));
 316
 317         /* Show extended search description button, only when Extended is selected */
 318         update_extended_buttons(quicksearch);
 319
 320         if (!search_string || *(search_string) == 0) {
 321                 g_free(search_string);
 322                 return TRUE;
 323         }
 324
 325         prepare_matcher(quicksearch);
 326
 327         quicksearch_set_running(quicksearch, TRUE);
 328         if (quicksearch->callback != NULL)
 329                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 330         quicksearch_set_running(quicksearch, FALSE);
 331         g_free(search_string);
 332         return TRUE;
 333 }
 334
 335 static gboolean searchtype_recursive_changed(GtkMenuItem *widget, gpointer data)
 336 {
 337         QuickSearch *quicksearch = (QuickSearch *)data;
 338         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 339         gchar *search_string = quicksearch_get_text(quicksearch);
 340
 341         prefs_common.summary_quicksearch_recurse = checked;
 342
 343         /* reselect the search type */
 344         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
 345
 346         if (!search_string || *(search_string) == 0) {
 347                 g_free(search_string);
 348                 return TRUE;
 349         }
 350
 351         prepare_matcher(quicksearch);
 352
 353         quicksearch_set_running(quicksearch, TRUE);
 354         if (quicksearch->callback != NULL)
 355                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 356         quicksearch_set_running(quicksearch, FALSE);
 357         g_free(search_string);
 358         return TRUE;
 359 }
 360
 361 static gboolean searchtype_sticky_changed(GtkMenuItem *widget, gpointer data)
 362 {
 363         QuickSearch *quicksearch = (QuickSearch *)data;
 364         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 365
 366         prefs_common.summary_quicksearch_sticky = checked;
 367
 368         /* reselect the search type */
 369         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
 370
 371         return TRUE;
 372 }
 373
 374 static gboolean searchtype_dynamic_changed(GtkMenuItem *widget, gpointer data)
 375 {
 376         QuickSearch *quicksearch = (QuickSearch *)data;
 377         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 378
 379         prefs_common.summary_quicksearch_dynamic = checked;
 380         if (checked)
 381                 gtk_check_menu_item_set_active(
 382                                 GTK_CHECK_MENU_ITEM(quicksearch->autorun_menuitem),
 383                                 FALSE);
 384
 385         /* reselect the search type */
 386         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
 387
 388         return TRUE;
 389 }
 390
 391 static gboolean searchtype_autorun_changed(GtkMenuItem *widget, gpointer data)
 392 {
 393         QuickSearch *quicksearch = (QuickSearch *)data;
 394         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 395
 396         prefs_common.summary_quicksearch_autorun = checked;
 397         if (checked)
 398                 gtk_check_menu_item_set_active(
 399                                 GTK_CHECK_MENU_ITEM(quicksearch->dynamic_menuitem),
 400                                 FALSE);
 401
 402         /* reselect the search type */
 403         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
 404
 405         return TRUE;
 406 }
 407
 408 /*
 409  * Strings describing how to use Extended Search
 410  *
 411  * When adding new lines, remember to put 2 strings for each line
 412  */
 413 static gchar *search_descr_strings[] = {
 414         "a",     N_("all messages"),
 415         "ag #",  N_("messages whose age is greater than #"),
 416         "al #",  N_("messages whose age is less than #"),
 417         "b S",   N_("messages which contain S in the message body"),
 418         "B S",   N_("messages which contain S in the whole message"),
 419         "c S",   N_("messages carbon-copied to S"),
 420         "C S",   N_("message is either to: or cc: to S"),
 421         "D",     N_("deleted messages"), /** how I can filter deleted messages **/
 422         "e S",   N_("messages which contain S in the Sender field"),
 423         "E S",   N_("true if execute \"S\" succeeds"),
 424         "f S",   N_("messages originating from user S"),
 425         "F",     N_("forwarded messages"),
 426         "h S",   N_("messages which contain header S"),
 427         "i S",   N_("messages which contain S in Message-ID header"),
 428         "I S",   N_("messages which contain S in In-Reply-To header"),
 429         "k #",   N_("messages which are marked with color #"),
 430         "L",     N_("locked messages"),
 431         "n S",   N_("messages which are in newsgroup S"),
 432         "N",     N_("new messages"),
 433         "O",     N_("old messages"),
 434         "p",     N_("incomplete messages (not entirely downloaded)"),
 435         "r",     N_("messages which have been replied to"),
 436         "R",     N_("read messages"),
 437         "s S",   N_("messages which contain S in subject"),
 438         "se #",  N_("messages whose score is equal to #"),
 439         "sg #",  N_("messages whose score is greater than #"),
 440         "sl #",  N_("messages whose score is lower than #"),
 441         "Se #",  N_("messages whose size is equal to #"),
 442         "Sg #",  N_("messages whose size is greater than #"),
 443         "Ss #",  N_("messages whose size is smaller than #"),
 444         "t S",   N_("messages which have been sent to S"),
 445         "tg S",  N_("messages which tags contain S"),
 446         "tagged",N_("messages which have tag(s)"),
 447         "T",     N_("marked messages"),
 448         "U",     N_("unread messages"),
 449         "x S",   N_("messages which contain S in References header"),
 450         "X \"cmd args\"", N_("messages returning 0 when passed to command - %F is message file"),
 451         "y S",   N_("messages which contain S in X-Label header"),
 452         "",      "" ,
 453         "&amp;",         N_("logical AND operator"),
 454         "|",     N_("logical OR operator"),
 455         "! or ~",       N_("logical NOT operator"),
 456         "%",     N_("case sensitive search"),
 457         "",      "" ,
 458         " ",     N_("all filtering expressions are allowed"),
 459         NULL,    NULL
 460 };
 461
 462 static DescriptionWindow search_descr = {
 463         NULL,
 464         NULL,
 465         2,
 466         N_("Extended Search"),
 467         N_("Extended Search allows the user to define criteria that messages must "
 468            "have in order to match and be displayed in the message list.\n"
 469            "The following symbols can be used:"),
 470         search_descr_strings
 471 };
 472
 473 static void search_description_cb(GtkWidget *widget)
 474 {
 475         description_window_create(&search_descr);
 476 };
 477
 478 static gboolean clear_search_cb(GtkMenuItem *widget, gpointer data)
 479 {
 480         QuickSearch *quicksearch = (QuickSearch *)data;
 481
 482         if (!quicksearch->active)
 483                 return TRUE;
 484
 485         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 486
 487         return TRUE;
 488 };
 489
 490 static void search_condition_expr_done(MatcherList * matchers)
 491 {
 492         gchar *str;
 493
 494         g_return_if_fail(
 495                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL);
 496
 497         if (matchers == NULL)
 498                 return;
 499
 500         str = matcherlist_to_string(matchers);
 501
 502         if (str != NULL) {
 503                 quicksearch_set(mainwindow_get_mainwindow()->summaryview->quicksearch,
 504                                 prefs_common.summary_quicksearch_type, str);
 505                 g_free(str);
 506
 507                 /* add expression to history list and exec quicksearch */
 508                 searchbar_run(mainwindow_get_mainwindow()->summaryview->quicksearch, FALSE);
 509         }
 510 }
 511
 512 static gboolean search_condition_expr(GtkMenuItem *widget, gpointer data)
 513 {
 514         gchar * cond_str;
 515         MatcherList * matchers = NULL;
 516
 517         g_return_val_if_fail(
 518                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL,
 519                         FALSE);
 520
 521         /* re-use the current quicksearch value if it's a condition expression,
 522            otherwise ignore it silently */
 523         cond_str = quicksearch_get_text(mainwindow_get_mainwindow()->summaryview->quicksearch);
 524
 525         if (*cond_str != '\0') {
 526                 matchers = matcher_parser_get_cond((gchar*)cond_str, NULL);
 527         }
 528
 529         prefs_matcher_open(matchers, search_condition_expr_done);
 530
 531         if (matchers != NULL)
 532                 matcherlist_free(matchers);
 533
 534         g_free(cond_str);
 535
 536         return TRUE;
 537 };
 538
 539 QuickSearch *quicksearch_new()
 540 {
 541         QuickSearch *quicksearch;
 542
 543         GtkWidget *hbox_search;
 544         GtkWidget *search_type_opt;
 545         GtkWidget *search_type;
 546         GtkWidget *search_string_entry;
 547         GtkWidget *search_hbox;
 548         GtkWidget *search_description;
 549         GtkWidget *clear_search;
 550         GtkWidget *search_condition_expression;
 551         GtkWidget *menuitem;
 552         GtkTooltips *tips = gtk_tooltips_new();
 553         GtkWidget *vbox;
 554
 555         quicksearch = g_new0(QuickSearch, 1);
 556
 557         /* quick search */
 558         hbox_search = gtk_hbox_new(FALSE, 0);
 559
 560         search_type_opt = gtk_option_menu_new();
 561         gtk_widget_show(search_type_opt);
 562         gtk_box_pack_start(GTK_BOX(hbox_search), search_type_opt, FALSE, FALSE, 0);
 563
 564         search_type = gtk_menu_new();
 565         MENUITEM_ADD (search_type, menuitem,
 566                         prefs_common_translated_header_name("Subject"), QUICK_SEARCH_SUBJECT);
 567         g_signal_connect(G_OBJECT(menuitem), "activate",
 568                          G_CALLBACK(searchtype_changed),
 569                          quicksearch);
 570         MENUITEM_ADD (search_type, menuitem,
 571                         prefs_common_translated_header_name("From"), QUICK_SEARCH_FROM);
 572         g_signal_connect(G_OBJECT(menuitem), "activate",
 573                          G_CALLBACK(searchtype_changed),
 574                          quicksearch);
 575         MENUITEM_ADD (search_type, menuitem,
 576                         prefs_common_translated_header_name("To"), QUICK_SEARCH_TO);
 577         g_signal_connect(G_OBJECT(menuitem), "activate",
 578                          G_CALLBACK(searchtype_changed),
 579                          quicksearch);
 580         MENUITEM_ADD (search_type, menuitem,
 581                         prefs_common_translated_header_name("Tag"), QUICK_SEARCH_TAG);
 582         g_signal_connect(G_OBJECT(menuitem), "activate",
 583                          G_CALLBACK(searchtype_changed),
 584                          quicksearch);
 585         MENUITEM_ADD (search_type, menuitem,
 586                         _("From/To/Subject/Tag"), QUICK_SEARCH_MIXED);
 587         g_signal_connect(G_OBJECT(menuitem), "activate",
 588                          G_CALLBACK(searchtype_changed),
 589                          quicksearch);
 590         MENUITEM_ADD (search_type, menuitem, _("Extended"), QUICK_SEARCH_EXTENDED);
 591         g_signal_connect(G_OBJECT(menuitem), "activate",
 592                          G_CALLBACK(searchtype_changed),
 593                          quicksearch);
 594
 595         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), gtk_separator_menu_item_new());
 596
 597         menuitem = gtk_check_menu_item_new_with_label(_("Recursive"));
 598         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 599
 600         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 601                                         prefs_common.summary_quicksearch_recurse);
 602
 603         g_signal_connect(G_OBJECT(menuitem), "activate",
 604                          G_CALLBACK(searchtype_recursive_changed),
 605                          quicksearch);
 606
 607         menuitem = gtk_check_menu_item_new_with_label(_("Sticky"));
 608         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 609
 610         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 611                                         prefs_common.summary_quicksearch_sticky);
 612
 613         g_signal_connect(G_OBJECT(menuitem), "activate",
 614                          G_CALLBACK(searchtype_sticky_changed),
 615                          quicksearch);
 616
 617         menuitem = gtk_check_menu_item_new_with_label(_("Type-ahead"));
 618         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 619
 620         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 621                                         prefs_common.summary_quicksearch_dynamic);
 622
 623         quicksearch->dynamic_menuitem = menuitem;
 624
 625         g_signal_connect(G_OBJECT(menuitem), "activate",
 626                          G_CALLBACK(searchtype_dynamic_changed),
 627                          quicksearch);
 628
 629         menuitem = gtk_check_menu_item_new_with_label(_("Run on select"));
 630         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 631
 632         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 633                                         prefs_common.summary_quicksearch_autorun);
 634
 635         quicksearch->autorun_menuitem = menuitem;
 636
 637         g_signal_connect(G_OBJECT(menuitem), "activate",
 638                          G_CALLBACK(searchtype_autorun_changed),
 639                          quicksearch);
 640
 641         gtk_option_menu_set_menu(GTK_OPTION_MENU(search_type_opt), search_type);
 642
 643         quicksearch->search_type_opt = search_type_opt;
 644         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
 645
 646         gtk_widget_show(search_type);
 647
 648         search_string_entry = gtk_combo_box_entry_new_text ();
 649         gtk_combo_box_set_active(GTK_COMBO_BOX(search_string_entry), -1);
 650         if (prefs_common.summary_quicksearch_history)
 651                 combobox_set_popdown_strings(GTK_COMBO_BOX(search_string_entry),
 652                         prefs_common.summary_quicksearch_history);
 653
 654         vbox = gtk_vbox_new(TRUE, 0);
 655         gtk_box_pack_start(GTK_BOX(vbox), search_string_entry, FALSE, FALSE, 0);
 656         gtk_box_pack_start(GTK_BOX(hbox_search), vbox, FALSE, FALSE, 4);
 657
 658         gtk_widget_show(vbox);
 659         gtk_widget_show(search_string_entry);
 660
 661         search_hbox = gtk_hbox_new(FALSE, 5);
 662
 663 #if GTK_CHECK_VERSION(2, 8, 0)
 664         clear_search = gtk_button_new_from_stock(GTK_STOCK_CLEAR);
 665 #else
 666         clear_search = gtk_button_new_with_label(_(" Clear "));
 667 #endif
 668         gtk_box_pack_start(GTK_BOX(search_hbox), clear_search,
 669                            FALSE, FALSE, 0);
 670         g_signal_connect(G_OBJECT(clear_search), "clicked",
 671                          G_CALLBACK(clear_search_cb), quicksearch);
 672         gtk_tooltips_set_tip(GTK_TOOLTIPS(tips),
 673                              clear_search,
 674                              _("Clear the current search"), NULL);
 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         gtk_tooltips_set_tip(GTK_TOOLTIPS(tips),
 688                              search_condition_expression,
 689                              _("Edit search criteria"), NULL);
 690         gtk_widget_show(search_condition_expression);
 691
 692 #if GTK_CHECK_VERSION(2, 8, 0)
 693         search_description = gtk_button_new_from_stock(GTK_STOCK_INFO);
 694 #else
 695         search_description = gtk_button_new_with_label(_(" Extended Symbols... "));
 696 #endif
 697         gtk_box_pack_start(GTK_BOX(search_hbox), search_description,
 698                            FALSE, FALSE, 0);
 699         g_signal_connect(G_OBJECT(search_description), "clicked",
 700                          G_CALLBACK(search_description_cb), NULL);
 701         gtk_tooltips_set_tip(GTK_TOOLTIPS(tips),
 702                              search_description,
 703                              _("Information about extended symbols"), NULL);
 704         gtk_widget_show(search_description);
 705
 706         gtk_box_pack_start(GTK_BOX(hbox_search), search_hbox, FALSE, FALSE, 2);
 707         gtk_widget_show(search_hbox);
 708
 709         g_signal_connect(G_OBJECT(GTK_BIN(search_string_entry)->child),
 710                            "key_press_event",
 711                            G_CALLBACK(searchbar_pressed),
 712                            quicksearch);
 713
 714         g_signal_connect(G_OBJECT(GTK_BIN(search_string_entry)->child),
 715                          "changed",
 716                          G_CALLBACK(searchbar_changed_cb),
 717                          quicksearch);
 718
 719         g_signal_connect(G_OBJECT(GTK_BIN(search_string_entry)->child),
 720                          "focus_in_event",
 721                          G_CALLBACK(searchbar_focus_evt_in),
 722                          quicksearch);
 723         g_signal_connect(G_OBJECT(GTK_BIN(search_string_entry)->child),
 724                          "focus_out_event",
 725                          G_CALLBACK(searchbar_focus_evt_out),
 726                          quicksearch);
 727
 728         quicksearch->hbox_search = hbox_search;
 729         quicksearch->search_type = search_type;
 730         quicksearch->search_string_entry = search_string_entry;
 731         quicksearch->search_condition_expression = search_condition_expression;
 732         quicksearch->search_description = search_description;
 733         quicksearch->matcher_list = NULL;
 734         quicksearch->active = FALSE;
 735         quicksearch->running = FALSE;
 736         quicksearch->clear_search = clear_search;
 737         quicksearch->in_typing = FALSE;
 738         quicksearch->press_timeout_id = -1;
 739
 740         update_extended_buttons(quicksearch);
 741
 742         return quicksearch;
 743 }
 744
 745 void quicksearch_relayout(QuickSearch *quicksearch)
 746 {
 747         switch (prefs_common.layout_mode) {
 748         case NORMAL_LAYOUT:
 749         case WIDE_LAYOUT:
 750         case WIDE_MSGLIST_LAYOUT:
 751 #if GTK_CHECK_VERSION(2, 8, 0)
 752                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_description), GTK_STOCK_INFO);
 753                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_condition_expression), GTK_STOCK_EDIT);
 754                 gtk_button_set_label(GTK_BUTTON(quicksearch->clear_search), GTK_STOCK_CLEAR);
 755 #else
 756                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_description), _(" Extended Symbols... "));
 757                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_condition_expression), " ... ");
 758                 gtk_button_set_label(GTK_BUTTON(quicksearch->clear_search), _(" Clear "));
 759 #endif
 760                 break;
 761         case VERTICAL_LAYOUT:
 762 #if GTK_CHECK_VERSION(2, 8, 0)
 763                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_description), "");
 764                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_condition_expression), "");
 765                 gtk_button_set_label(GTK_BUTTON(quicksearch->clear_search), "");
 766
 767                 gtk_button_set_image(GTK_BUTTON(quicksearch->search_description),
 768                         gtk_image_new_from_stock(GTK_STOCK_INFO, GTK_ICON_SIZE_BUTTON));
 769                 gtk_button_set_image(GTK_BUTTON(quicksearch->search_condition_expression),
 770                         gtk_image_new_from_stock(GTK_STOCK_EDIT, GTK_ICON_SIZE_BUTTON));
 771                 gtk_button_set_image(GTK_BUTTON(quicksearch->clear_search),
 772                         gtk_image_new_from_stock(GTK_STOCK_CLEAR, GTK_ICON_SIZE_BUTTON));
 773 #else
 774                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_description), _("Info"));
 775                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_condition_expression), "...");
 776                 gtk_button_set_label(GTK_BUTTON(quicksearch->clear_search), _("Clear"));
 777 #endif
 778                 break;
 779         }
 780 }
 781
 782 GtkWidget *quicksearch_get_widget(QuickSearch *quicksearch)
 783 {
 784         return quicksearch->hbox_search;
 785 }
 786
 787 void quicksearch_show(QuickSearch *quicksearch)
 788 {
 789         MainWindow *mainwin = mainwindow_get_mainwindow();
 790         GtkWidget *ctree = NULL;
 791         prepare_matcher(quicksearch);
 792         gtk_widget_show(quicksearch->hbox_search);
 793         update_extended_buttons(quicksearch);
 794         gtk_widget_grab_focus(
 795                 GTK_WIDGET(GTK_BIN(quicksearch->search_string_entry)->child));
 796
 797         GTK_EVENTS_FLUSH();
 798
 799         if (!mainwin || !mainwin->summaryview) {
 800                 return;
 801         }
 802
 803         ctree = summary_get_main_widget(mainwin->summaryview);
 804
 805         if (ctree && mainwin->summaryview->selected)
 806                 gtk_ctree_node_moveto(GTK_CTREE(ctree),
 807                                 mainwin->summaryview->selected,
 808                                 0, 0.5, 0);
 809 }
 810
 811 void quicksearch_hide(QuickSearch *quicksearch)
 812 {
 813         if (quicksearch_is_active(quicksearch)) {
 814                 quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 815                 quicksearch_set_active(quicksearch, FALSE);
 816         }
 817         gtk_widget_hide(quicksearch->hbox_search);
 818 }
 819
 820 void quicksearch_set(QuickSearch *quicksearch, QuickSearchType type,
 821                      const gchar *matchstring)
 822 {
 823         quicksearch_set_type(quicksearch, type);
 824
 825         if (!matchstring || !(*matchstring))
 826                 quicksearch->in_typing = FALSE;
 827
 828         g_signal_handlers_block_by_func(G_OBJECT(GTK_BIN(quicksearch->search_string_entry)->child),
 829                         G_CALLBACK(searchbar_changed_cb), quicksearch);
 830         gtk_entry_set_text(GTK_ENTRY(GTK_BIN(quicksearch->search_string_entry)->child),
 831                            matchstring);
 832         g_signal_handlers_unblock_by_func(G_OBJECT(GTK_BIN(quicksearch->search_string_entry)->child),
 833                         G_CALLBACK(searchbar_changed_cb), quicksearch);
 834
 835         prefs_common.summary_quicksearch_type = type;
 836
 837         prepare_matcher(quicksearch);
 838
 839         quicksearch_set_running(quicksearch, TRUE);
 840         if (quicksearch->callback != NULL)
 841                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 842         quicksearch_set_running(quicksearch, FALSE);
 843 }
 844
 845 gboolean quicksearch_is_active(QuickSearch *quicksearch)
 846 {
 847         return quicksearch->active &&
 848                 (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED
 849                  || quicksearch->matcher_list != NULL);
 850 }
 851
 852 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active)
 853 {
 854         static GdkColor yellow;
 855         static GdkColor red;
 856         static GdkColor black;
 857         static gboolean colors_initialised = FALSE;
 858         gboolean error = FALSE;
 859
 860         if (!colors_initialised) {
 861                 gdk_color_parse("#f5f6be", &yellow);
 862                 gdk_color_parse("#000000", &black);
 863                 gdk_color_parse("#ff7070", &red);
 864                 colors_initialised = gdk_colormap_alloc_color(
 865                         gdk_colormap_get_system(), &yellow, FALSE, TRUE);
 866                 colors_initialised &= gdk_colormap_alloc_color(
 867                         gdk_colormap_get_system(), &black, FALSE, TRUE);
 868                 colors_initialised &= gdk_colormap_alloc_color(
 869                         gdk_colormap_get_system(), &red, FALSE, TRUE);
 870         }
 871
 872         quicksearch->active = active;
 873
 874         if (active &&
 875                 (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED
 876                  && quicksearch->matcher_list == NULL))
 877                 error = TRUE;
 878
 879         if (active) {
 880                 gtk_widget_set_sensitive(quicksearch->clear_search, TRUE);
 881                 if (colors_initialised) {
 882                         gtk_widget_modify_base(
 883                                 GTK_BIN(quicksearch->search_string_entry)->child,
 884                                 GTK_STATE_NORMAL, error ? &red : &yellow);
 885                         gtk_widget_modify_text(
 886                                 GTK_BIN(quicksearch->search_string_entry)->child,
 887                                 GTK_STATE_NORMAL, &black);
 888                 }
 889         } else {
 890                 gtk_widget_set_sensitive(quicksearch->clear_search, FALSE);
 891                 if (colors_initialised) {
 892                         gtk_widget_modify_base(
 893                                 GTK_BIN(quicksearch->search_string_entry)->child,
 894                                 GTK_STATE_NORMAL, NULL);
 895                         gtk_widget_modify_text(
 896                                 GTK_BIN(quicksearch->search_string_entry)->child,
 897                                 GTK_STATE_NORMAL, NULL);
 898                 }
 899         }
 900
 901         if (!active) {
 902                 quicksearch_reset_cur_folder_item(quicksearch);
 903         }
 904 }
 905
 906 void quicksearch_set_execute_callback(QuickSearch *quicksearch,
 907                                       QuickSearchExecuteCallback callback,
 908                                       gpointer data)
 909 {
 910         quicksearch->callback = callback;
 911         quicksearch->callback_data = data;
 912 }
 913
 914 gboolean quicksearch_match(QuickSearch *quicksearch, MsgInfo *msginfo)
 915 {
 916         gchar *searched_header = NULL;
 917         gboolean result = FALSE;
 918         gchar *to = NULL, *from = NULL, *subject = NULL;
 919
 920         if (!quicksearch->active)
 921                 return TRUE;
 922
 923         switch (prefs_common.summary_quicksearch_type) {
 924         case QUICK_SEARCH_SUBJECT:
 925                 if (msginfo->subject)
 926                         searched_header = g_utf8_casefold(msginfo->subject, -1);
 927                 else
 928                         return FALSE;
 929                 break;
 930         case QUICK_SEARCH_FROM:
 931                 if (msginfo->from)
 932                         searched_header = g_utf8_casefold(msginfo->from, -1);
 933                 else
 934                         return FALSE;
 935                 break;
 936         case QUICK_SEARCH_TO:
 937                 if (msginfo->to)
 938                         searched_header = g_utf8_casefold(msginfo->to, -1);
 939                 else
 940                         return FALSE;
 941                 break;
 942         case QUICK_SEARCH_MIXED:
 943                 if (msginfo->to)
 944                         to = g_utf8_casefold(msginfo->to, -1);
 945                 if (msginfo->from)
 946                         from = g_utf8_casefold(msginfo->from, -1);
 947                 if (msginfo->subject)
 948                         subject = g_utf8_casefold(msginfo->subject, -1);
 949                 break;
 950         case QUICK_SEARCH_EXTENDED:
 951                 break;
 952         default:
 953                 debug_print("unknown search type (%d)\n", prefs_common.summary_quicksearch_type);
 954                 break;
 955         }
 956
 957         quicksearch->matching = TRUE;
 958         if (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED &&
 959             prefs_common.summary_quicksearch_type != QUICK_SEARCH_MIXED &&
 960             prefs_common.summary_quicksearch_type != QUICK_SEARCH_TAG &&
 961             quicksearch->search_string &&
 962             searched_header && strstr(searched_header, quicksearch->search_string) != NULL)
 963                 result = TRUE;
 964         else if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_MIXED &&
 965                 quicksearch->search_string && (
 966                 (to && strstr(to, quicksearch->search_string) != NULL) ||
 967                 (from && strstr(from, quicksearch->search_string) != NULL) ||
 968                 (subject && strstr(subject, quicksearch->search_string) != NULL) ||
 969                 ((quicksearch->matcher_list != NULL) &&
 970                  matcherlist_match(quicksearch->matcher_list, msginfo))  ))
 971                 result = TRUE;
 972         else if ((quicksearch->matcher_list != NULL) &&
 973                  matcherlist_match(quicksearch->matcher_list, msginfo))
 974                 result = TRUE;
 975
 976         quicksearch->matching = FALSE;
 977         if (quicksearch->deferred_free) {
 978                 prepare_matcher(quicksearch);
 979         }
 980
 981         g_free(to);
 982         g_free(from);
 983         g_free(subject);
 984         g_free(searched_header);
 985
 986         return result;
 987 }
 988
 989 /* allow Mutt-like patterns in quick search */
 990 static gchar *expand_search_string(const gchar *search_string)
 991 {
 992         int i = 0;
 993         gchar term_char, save_char;
 994         gchar *cmd_start, *cmd_end;
 995         GString *matcherstr;
 996         gchar *returnstr = NULL;
 997         gchar *copy_str;
 998         gboolean casesens, dontmatch;
 999         /* list of allowed pattern abbreviations */
1000         struct {
1001                 gchar           *abbreviated;   /* abbreviation */
1002                 gchar           *command;       /* actual matcher command */
1003                 gint            numparams;      /* number of params for cmd */
1004                 gboolean        qualifier;      /* do we append regexpcase */
1005                 gboolean        quotes;         /* do we need quotes */
1006         }
1007         cmds[] = {
1008                 { "a",  "all",                          0,      FALSE,  FALSE },
1009                 { "ag", "age_greater",                  1,      FALSE,  FALSE },
1010                 { "al", "age_lower",                    1,      FALSE,  FALSE },
1011                 { "b",  "body_part",                    1,      TRUE,   TRUE  },
1012                 { "B",  "message",                      1,      TRUE,   TRUE  },
1013                 { "c",  "cc",                           1,      TRUE,   TRUE  },
1014                 { "C",  "to_or_cc",                     1,      TRUE,   TRUE  },
1015                 { "D",  "deleted",                      0,      FALSE,  FALSE },
1016                 { "e",  "header \"Sender\"",            1,      TRUE,   TRUE  },
1017                 { "E",  "execute",                      1,      FALSE,  TRUE  },
1018                 { "f",  "from",                         1,      TRUE,   TRUE  },
1019                 { "F",  "forwarded",                    0,      FALSE,  FALSE },
1020                 { "h",  "headers_part",                 1,      TRUE,   TRUE  },
1021                 { "i",  "header \"Message-ID\"",        1,      TRUE,   TRUE  },
1022                 { "I",  "inreplyto",                    1,      TRUE,   TRUE  },
1023                 { "k",  "colorlabel",                   1,      FALSE,  FALSE },
1024                 { "L",  "locked",                       0,      FALSE,  FALSE },
1025                 { "n",  "newsgroups",                   1,      TRUE,   TRUE  },
1026                 { "N",  "new",                          0,      FALSE,  FALSE },
1027                 { "O",  "~new",                         0,      FALSE,  FALSE },
1028                 { "r",  "replied",                      0,      FALSE,  FALSE },
1029                 { "R",  "~unread",                      0,      FALSE,  FALSE },
1030                 { "s",  "subject",                      1,      TRUE,   TRUE  },
1031                 { "se", "score_equal",                  1,      FALSE,  FALSE },
1032                 { "sg", "score_greater",                1,      FALSE,  FALSE },
1033                 { "sl", "score_lower",                  1,      FALSE,  FALSE },
1034                 { "Se", "size_equal",                   1,      FALSE,  FALSE },
1035                 { "Sg", "size_greater",                 1,      FALSE,  FALSE },
1036                 { "Ss", "size_smaller",                 1,      FALSE,  FALSE },
1037                 { "t",  "to",                           1,      TRUE,   TRUE  },
1038                 { "tg", "tag",                          1,      TRUE,   TRUE  },
1039                 { "T",  "marked",                       0,      FALSE,  FALSE },
1040                 { "U",  "unread",                       0,      FALSE,  FALSE },
1041                 { "x",  "header \"References\"",        1,      TRUE,   TRUE  },
1042                 { "X",  "test",                         1,      FALSE,  FALSE },
1043                 { "y",  "header \"X-Label\"",           1,      TRUE,   TRUE  },
1044                 { "&",  "&",                            0,      FALSE,  FALSE },
1045                 { "|",  "|",                            0,      FALSE,  FALSE },
1046                 { "p",  "partial",                      0,      FALSE,  FALSE },
1047                 { NULL, NULL,                           0,      FALSE,  FALSE }
1048         };
1049
1050         if (search_string == NULL)
1051                 return NULL;
1052
1053         copy_str = g_strdup(search_string);
1054
1055         matcherstr = g_string_sized_new(16);
1056         cmd_start = copy_str;
1057         while (cmd_start && *cmd_start) {
1058                 /* skip all white spaces */
1059                 while (*cmd_start && isspace((guchar)*cmd_start))
1060                         cmd_start++;
1061                 cmd_end = cmd_start;
1062
1063                 /* extract a command */
1064                 while (*cmd_end && !isspace((guchar)*cmd_end))
1065                         cmd_end++;
1066
1067                 /* save character */
1068                 save_char = *cmd_end;
1069                 *cmd_end = '\0';
1070
1071                 dontmatch = FALSE;
1072                 casesens = FALSE;
1073
1074                 /* ~ and ! mean logical NOT */
1075                 if (*cmd_start == '~' || *cmd_start == '!')
1076                 {
1077                         dontmatch = TRUE;
1078                         cmd_start++;
1079                 }
1080                 /* % means case sensitive match */
1081                 if (*cmd_start == '%')
1082                 {
1083                         casesens = TRUE;
1084                         cmd_start++;
1085                 }
1086
1087                 /* find matching abbreviation */
1088                 for (i = 0; cmds[i].command; i++) {
1089                         if (!strcmp(cmd_start, cmds[i].abbreviated)) {
1090                                 /* restore character */
1091                                 *cmd_end = save_char;
1092
1093                                 /* copy command */
1094                                 if (matcherstr->len > 0) {
1095                                         g_string_append(matcherstr, " ");
1096                                 }
1097                                 if (dontmatch)
1098                                         g_string_append(matcherstr, "~");
1099                                 g_string_append(matcherstr, cmds[i].command);
1100                                 g_string_append(matcherstr, " ");
1101
1102                                 /* stop if no params required */
1103                                 if (cmds[i].numparams == 0)
1104                                         break;
1105
1106                                 /* extract a parameter, allow quotes */
1107                                 while (*cmd_end && isspace((guchar)*cmd_end))
1108                                         cmd_end++;
1109
1110                                 cmd_start = cmd_end;
1111                                 if (*cmd_start == '"') {
1112                                         term_char = '"';
1113                                         cmd_end++;
1114                                 }
1115                                 else
1116                                         term_char = ' ';
1117
1118                                 /* extract actual parameter */
1119                                 while ((*cmd_end) && (*cmd_end != term_char))
1120                                         cmd_end++;
1121
1122                                 if (*cmd_end == '"')
1123                                         cmd_end++;
1124
1125                                 save_char = *cmd_end;
1126                                 *cmd_end = '\0';
1127
1128                                 if (cmds[i].qualifier) {
1129                                         if (casesens)
1130                                                 g_string_append(matcherstr, "regexp ");
1131                                         else
1132                                                 g_string_append(matcherstr, "regexpcase ");
1133                                 }
1134
1135                                 /* do we need to add quotes ? */
1136                                 if (cmds[i].quotes && term_char != '"')
1137                                         g_string_append(matcherstr, "\"");
1138
1139                                 /* copy actual parameter */
1140                                 g_string_append(matcherstr, cmd_start);
1141
1142                                 /* do we need to add quotes ? */
1143                                 if (cmds[i].quotes && term_char != '"')
1144                                         g_string_append(matcherstr, "\"");
1145
1146                                 /* restore original character */
1147                                 *cmd_end = save_char;
1148
1149                                 break;
1150                         }
1151                 }
1152
1153                 if (*cmd_end)
1154                         cmd_end++;
1155                 cmd_start = cmd_end;
1156         }
1157
1158         g_free(copy_str);
1159
1160         /* return search string if no match is found to allow
1161            all available filtering expressions in quicksearch */
1162         if (matcherstr->len > 0) returnstr = matcherstr->str;
1163         else returnstr = g_strdup(search_string);
1164
1165         g_string_free(matcherstr, FALSE);
1166         return returnstr;
1167 }
1168
1169 static gchar *expand_tag_search_string(const gchar *search_string)
1170 {
1171         gchar *newstr = NULL;
1172         gchar **words = search_string ? g_strsplit(search_string, " ", -1):NULL;
1173         gint i = 0;
1174         while (words && words[i] && *words[i]) {
1175                 g_strstrip(words[i]);
1176                 if (!newstr) {
1177                         newstr = g_strdup_printf("tag regexpcase \"%s\"", words[i]);
1178                 } else {
1179                         gint o_len = strlen(newstr);
1180                         gint s_len = 18; /* strlen("|tag regexpcase \"\"") */
1181                         gint n_len = s_len + strlen(words[i]);
1182                         newstr = g_realloc(newstr,o_len+n_len+1);
1183                         strcpy(newstr+o_len, "|tag regexpcase \"");
1184                         strcpy(newstr+o_len+(s_len-1), words[i]);
1185                         strcpy(newstr+o_len+(n_len-1), "\"");
1186                 }
1187                 i++;
1188         }
1189         g_strfreev(words);
1190         return newstr;
1191 }
1192
1193 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run)
1194 {
1195         quicksearch->running = run;
1196 }
1197
1198 gboolean quicksearch_is_running(QuickSearch *quicksearch)
1199 {
1200         return quicksearch->running;
1201 }
1202
1203 void quicksearch_pass_key(QuickSearch *quicksearch, guint val, GdkModifierType mod)
1204 {
1205         GtkEntry *entry = GTK_ENTRY(GTK_BIN(quicksearch->search_string_entry)->child);
1206         glong curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
1207         guint32 c;
1208         char *str = g_strdup(gtk_entry_get_text(entry));
1209         char *begin = str;
1210         char *end = NULL;
1211         char *new = NULL;
1212         char key[7] = "";
1213         guint char_len = 0;
1214
1215         if (gtk_editable_get_selection_bounds(GTK_EDITABLE(entry), NULL, NULL)) {
1216                 /* remove selection */
1217                 gtk_editable_delete_selection(GTK_EDITABLE(entry));
1218                 curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
1219                 /* refresh string */
1220                 g_free(str);
1221                 str = g_strdup(gtk_entry_get_text(entry));
1222                 begin = str;
1223         }
1224
1225         if (!(c = gdk_keyval_to_unicode(val))) {
1226                 g_free(str);
1227                 return;
1228         }
1229         char_len = g_unichar_to_utf8(c, key);
1230         if (char_len < 0)
1231                 return;
1232         key[char_len] = '\0';
1233         if (curpos < g_utf8_strlen(str, -1)) {
1234                 gchar *stop = g_utf8_offset_to_pointer(begin, curpos);
1235                 end = g_strdup(g_utf8_offset_to_pointer(str, curpos));
1236                 *stop = '\0';
1237                 new = g_strdup_printf("%s%s%s", begin, key, end);
1238                 gtk_entry_set_text(entry, new);
1239                 g_free(end);
1240         } else {
1241                 new = g_strdup_printf("%s%s", begin, key);
1242                 gtk_entry_set_text(entry, new);
1243         }
1244         g_free(str);
1245         g_free(new);
1246         gtk_editable_set_position(GTK_EDITABLE(entry), curpos+1);
1247
1248 }
1249
1250 static gboolean quicksearch_match_subfolder(QuickSearch *quicksearch,
1251                                  FolderItem *src)
1252 {
1253         GSList *msglist = NULL;
1254         GSList *cur;
1255         gboolean result = FALSE;
1256         gint num = 0, total = 0;
1257         gint interval = quicksearch_is_fast(quicksearch) ? 5000:100;
1258
1259         statusbar_print_all(_("Searching in %s... \n"),
1260                 src->path ? src->path : "(null)");
1261
1262         msglist = folder_item_get_msg_list(src);
1263         total = src->total_msgs;
1264         folder_item_update_freeze();
1265         for (cur = msglist; cur != NULL; cur = cur->next) {
1266                 MsgInfo *msg = (MsgInfo *)cur->data;
1267                 statusbar_progress_all(num++,total, interval);
1268                 if (quicksearch_match(quicksearch, msg)) {
1269                         result = TRUE;
1270                         break;
1271                 }
1272                 if (num % interval == 0)
1273                         GTK_EVENTS_FLUSH();
1274                 if (!quicksearch_is_active(quicksearch))
1275                         break;
1276         }
1277         folder_item_update_thaw();
1278         statusbar_progress_all(0,0,0);
1279         statusbar_pop_all();
1280
1281         procmsg_msg_list_free(msglist);
1282         return result;
1283 }
1284
1285 gboolean quicksearch_is_in_subfolder(QuickSearch *quicksearch, FolderItem *cur)
1286 {
1287         if (quicksearch->root_folder_item == NULL)
1288                 return FALSE;
1289
1290         while (cur) {
1291                 if (cur == quicksearch->root_folder_item) {
1292                         return TRUE;
1293                 }
1294                 cur = folder_item_parent(cur);
1295         }
1296         return FALSE;
1297 }
1298
1299 void quicksearch_search_subfolders(QuickSearch *quicksearch,
1300                                    FolderView *folderview,
1301                                    FolderItem *folder_item)
1302 {
1303         FolderItem *cur = NULL;
1304         GNode *node = folder_item->node->children;
1305
1306         if (!prefs_common.summary_quicksearch_recurse
1307         ||  quicksearch->in_typing == TRUE)
1308                 return;
1309
1310         for (; node != NULL; node = node->next) {
1311                 cur = FOLDER_ITEM(node->data);
1312                 if (quicksearch_match_subfolder(quicksearch, cur)) {
1313                         folderview_update_search_icon(cur, TRUE);
1314                 } else {
1315                         folderview_update_search_icon(cur, FALSE);
1316                 }
1317                 if (cur->node->children)
1318                         quicksearch_search_subfolders(quicksearch,
1319                                                       folderview,
1320                                                       cur);
1321         }
1322         quicksearch->root_folder_item = folder_item;
1323         if (!quicksearch_is_active(quicksearch))
1324                 quicksearch_reset_cur_folder_item(quicksearch);
1325 }
1326
1327 static void quicksearch_reset_folder_items(QuickSearch *quicksearch,
1328                                     FolderItem *folder_item)
1329 {
1330         FolderItem *cur = NULL;
1331         GNode *node = (folder_item && folder_item->node) ?
1332                         folder_item->node->children : NULL;
1333
1334         for (; node != NULL; node = node->next) {
1335                 cur = FOLDER_ITEM(node->data);
1336                 folderview_update_search_icon(cur, FALSE);
1337                 if (cur->node->children)
1338                         quicksearch_reset_folder_items(quicksearch,
1339                                                        cur);
1340         }
1341 }
1342
1343 void quicksearch_reset_cur_folder_item(QuickSearch *quicksearch)
1344 {
1345         if (quicksearch->root_folder_item)
1346                 quicksearch_reset_folder_items(quicksearch,
1347                                                quicksearch->root_folder_item);
1348
1349         quicksearch->root_folder_item = NULL;
1350 }
1351
1352 gboolean quicksearch_is_in_typing(QuickSearch *quicksearch)
1353 {
1354         return quicksearch->in_typing;
1355 }