src/gtk/quicksearch.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 2004 Hiroyuki Yamamoto & the Sylpheed-Claws team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include <glib.h>
  25 #include <glib/gi18n.h>
  26 #include <ctype.h>
  27
  28 #include <gtk/gtk.h>
  29 #include <gdk/gdkkeysyms.h>
  30
  31 #include "utils.h"
  32 #include "menu.h"
  33 #include "prefs_common.h"
  34 #include "description_window.h"
  35 #include "matcher.h"
  36 #include "matcher_parser.h"
  37 #include "quicksearch.h"
  38 #include "folderview.h"
  39 #include "folder.h"
  40 #include "prefs_matcher.h"
  41 #include "sylpheed.h"
  42 #include "statusbar.h"
  43
  44 struct _QuickSearch
  45 {
  46         GtkWidget                       *hbox_search;
  47         GtkWidget                       *search_type;
  48         GtkWidget                       *search_type_opt;
  49         GtkWidget                       *search_string_entry;
  50         GtkWidget                       *search_condition_expression;
  51         GtkWidget                       *search_description;
  52         GtkWidget                       *clear_search;
  53
  54         gboolean                         active;
  55         gchar                           *search_string;
  56         MatcherList                     *matcher_list;
  57
  58         QuickSearchExecuteCallback       callback;
  59         gpointer                         callback_data;
  60         gboolean                         running;
  61         gboolean                         has_focus;
  62         gboolean                         matching;
  63         gboolean                         deferred_free;
  64         FolderItem                      *root_folder_item;
  65         gboolean                         is_fast;
  66         gboolean                         in_typing;
  67         guint                            press_timeout_id;
  68 };
  69
  70 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run);
  71 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active);
  72 static void quicksearch_reset_folder_items(QuickSearch *quicksearch, FolderItem *folder_item);
  73
  74 gboolean quicksearch_is_fast(QuickSearch *quicksearch)
  75 {
  76         return quicksearch->is_fast;
  77 }
  78
  79 static void prepare_matcher(QuickSearch *quicksearch)
  80 {
  81         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
  82
  83         if (search_string == NULL || search_string[0] == '\0') {
  84                 quicksearch_set_active(quicksearch, FALSE);
  85         }
  86
  87         if (quicksearch->matcher_list != NULL) {
  88                 if (quicksearch->matching) {
  89                         quicksearch->deferred_free = TRUE;
  90                         return;
  91                 }
  92                 quicksearch->deferred_free = FALSE;
  93                 matcherlist_free(quicksearch->matcher_list);
  94                 quicksearch->matcher_list = NULL;
  95         }
  96
  97         if (search_string == NULL || search_string[0] == '\0') {
  98                 return;
  99         }
 100
 101         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
 102                 char *newstr = NULL;
 103
 104                 newstr = expand_search_string(search_string);
 105                 if (newstr && newstr[0] != '\0') {
 106                         quicksearch->matcher_list = matcher_parser_get_cond(newstr, &quicksearch->is_fast);
 107                         g_free(newstr);
 108                 } else {
 109                         quicksearch->matcher_list = NULL;
 110                         quicksearch_set_active(quicksearch, FALSE);
 111
 112                         return;
 113                 }
 114         } else {
 115                 quicksearch->is_fast = TRUE;
 116                 g_free(quicksearch->search_string);
 117                 quicksearch->search_string = g_strdup(search_string);
 118         }
 119
 120         quicksearch_set_active(quicksearch, TRUE);
 121 }
 122
 123 static void update_extended_buttons (QuickSearch *quicksearch)
 124 {
 125         GtkWidget *expr_btn = quicksearch->search_condition_expression;
 126         GtkWidget *ext_btn = quicksearch->search_description;
 127
 128         g_return_if_fail(expr_btn != NULL);
 129         g_return_if_fail(ext_btn != NULL);
 130
 131         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
 132                 gtk_widget_show(expr_btn);
 133                 gtk_widget_show(ext_btn);
 134         } else {
 135                 gtk_widget_hide(expr_btn);
 136                 gtk_widget_hide(ext_btn);
 137         }
 138 }
 139
 140 static gboolean searchbar_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 141                                   QuickSearch *qs)
 142 {
 143         qs->has_focus = TRUE;
 144         return FALSE;
 145 }
 146
 147 static gboolean searchbar_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 148                                   QuickSearch *qs)
 149 {
 150         qs->has_focus = FALSE;
 151         qs->in_typing = FALSE;
 152         return FALSE;
 153 }
 154
 155 gboolean quicksearch_has_focus(QuickSearch *quicksearch)
 156 {
 157         return quicksearch->has_focus;
 158 }
 159
 160 static void searchbar_run(QuickSearch *quicksearch, gboolean run_only_if_fast)
 161 {
 162         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
 163
 164         /* add to history */
 165         if (!quicksearch->in_typing && search_string && strlen(search_string) != 0) {
 166                 /* only if there's no syntax error */
 167                 if (quicksearch->matcher_list != NULL ||
 168                     prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED) {
 169                         prefs_common.summary_quicksearch_history =
 170                                 add_history(prefs_common.summary_quicksearch_history,
 171                                                 search_string);
 172                         gtk_combo_set_popdown_strings(GTK_COMBO(quicksearch->search_string_entry),
 173                                 prefs_common.summary_quicksearch_history);
 174                 }
 175         }
 176
 177         prepare_matcher(quicksearch);
 178         if (run_only_if_fast && !quicksearch->is_fast)
 179                 return;
 180         if (quicksearch->matcher_list == NULL &&
 181             prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED)
 182                 return;
 183         quicksearch_set_running(quicksearch, TRUE);
 184         if (quicksearch->callback != NULL)
 185                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 186         quicksearch_set_running(quicksearch, FALSE);
 187 }
 188
 189 static int searchbar_changed_timeout(void *data)
 190 {
 191         QuickSearch *qs = (QuickSearch *)data;
 192         if (qs && prefs_common.summary_quicksearch_dynamic) {
 193                 qs->in_typing = TRUE;
 194                 searchbar_run(qs, TRUE);
 195         }
 196         return FALSE;
 197 }
 198
 199 static gboolean searchbar_changed_cb(GtkWidget *widget, QuickSearch *qs)
 200 {
 201         if (prefs_common.summary_quicksearch_dynamic) {
 202                 if (qs->press_timeout_id != -1) {
 203                         gtk_timeout_remove(qs->press_timeout_id);
 204                 }
 205                 qs->press_timeout_id = gtk_timeout_add(500,
 206                                 searchbar_changed_timeout, qs);
 207         }
 208
 209         return FALSE;
 210 }
 211
 212 static gboolean searchbar_pressed(GtkWidget *widget, GdkEventKey *event,
 213                                   QuickSearch *quicksearch)
 214 {
 215         if (event != NULL && event->keyval == GDK_Escape) {
 216
 217                 const gchar *str;
 218
 219                 quicksearch->in_typing = FALSE;
 220
 221                 str = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
 222                 g_return_val_if_fail(str != NULL, TRUE);
 223
 224                 /* If the string entry is empty -> hide quicksearch bar. If not -> empty it */
 225                 if (!*str) {
 226                         quicksearch_hide(quicksearch);
 227                 } else {
 228                         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 229                         gtk_widget_grab_focus(
 230                                         GTK_WIDGET(GTK_COMBO(quicksearch->search_string_entry)->entry));
 231                 }
 232
 233                 return TRUE;
 234         }
 235
 236         if (event != NULL && event->keyval == GDK_Return) {
 237                 quicksearch->in_typing = FALSE;
 238                 /* add expression to history list and exec quicksearch */
 239                 searchbar_run(quicksearch, FALSE);
 240
 241                 g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
 242                 return TRUE;
 243         }
 244
 245         return FALSE;
 246 }
 247
 248 static gboolean searchtype_changed(GtkMenuItem *widget, gpointer data)
 249 {
 250         QuickSearch *quicksearch = (QuickSearch *)data;
 251         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
 252
 253         prefs_common.summary_quicksearch_type = GPOINTER_TO_INT(g_object_get_data(
 254                                    G_OBJECT(GTK_MENU_ITEM(gtk_menu_get_active(
 255                                    GTK_MENU(quicksearch->search_type)))), MENU_VAL_ID));
 256
 257         /* Show extended search description button, only when Extended is selected */
 258         update_extended_buttons(quicksearch);
 259
 260         if (!search_string || strlen(search_string) == 0) {
 261                 return TRUE;
 262         }
 263
 264         prepare_matcher(quicksearch);
 265
 266         quicksearch_set_running(quicksearch, TRUE);
 267         if (quicksearch->callback != NULL)
 268                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 269         quicksearch_set_running(quicksearch, FALSE);
 270         return TRUE;
 271 }
 272
 273 static gboolean searchtype_recursive_changed(GtkMenuItem *widget, gpointer data)
 274 {
 275         QuickSearch *quicksearch = (QuickSearch *)data;
 276         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 277         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
 278
 279         prefs_common.summary_quicksearch_recurse = checked;
 280
 281         /* reselect the search type */
 282         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 283                                     prefs_common.summary_quicksearch_type);
 284
 285         if (!search_string || strlen(search_string) == 0) {
 286                 return TRUE;
 287         }
 288
 289         prepare_matcher(quicksearch);
 290
 291         quicksearch_set_running(quicksearch, TRUE);
 292         if (quicksearch->callback != NULL)
 293                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 294         quicksearch_set_running(quicksearch, FALSE);
 295         return TRUE;
 296 }
 297
 298 static gboolean searchtype_sticky_changed(GtkMenuItem *widget, gpointer data)
 299 {
 300         QuickSearch *quicksearch = (QuickSearch *)data;
 301         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 302
 303         prefs_common.summary_quicksearch_sticky = checked;
 304
 305         /* reselect the search type */
 306         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 307                                     prefs_common.summary_quicksearch_type);
 308
 309         return TRUE;
 310 }
 311
 312 static gboolean searchtype_dynamic_changed(GtkMenuItem *widget, gpointer data)
 313 {
 314         QuickSearch *quicksearch = (QuickSearch *)data;
 315         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 316
 317         prefs_common.summary_quicksearch_dynamic = checked;
 318
 319         /* reselect the search type */
 320         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 321                                     prefs_common.summary_quicksearch_type);
 322
 323         return TRUE;
 324 }
 325
 326 /*
 327  * Strings describing how to use Extended Search
 328  *
 329  * When adding new lines, remember to put 2 strings for each line
 330  */
 331 static gchar *search_descr_strings[] = {
 332         "a",     N_("all messages"),
 333         "ag #",  N_("messages whose age is greater than #"),
 334         "al #",  N_("messages whose age is less than #"),
 335         "b S",   N_("messages which contain S in the message body"),
 336         "B S",   N_("messages which contain S in the whole message"),
 337         "c S",   N_("messages carbon-copied to S"),
 338         "C S",   N_("message is either to: or cc: to S"),
 339         "D",     N_("deleted messages"), /** how I can filter deleted messages **/
 340         "e S",   N_("messages which contain S in the Sender field"),
 341         "E S",   N_("true if execute \"S\" succeeds"),
 342         "f S",   N_("messages originating from user S"),
 343         "F",     N_("forwarded messages"),
 344         "h S",   N_("messages which contain header S"),
 345         "i S",   N_("messages which contain S in Message-ID header"),
 346         "I S",   N_("messages which contain S in inreplyto header"),
 347         "k #",   N_("messages which are marked with color #"),
 348         "L",     N_("locked messages"),
 349         "n S",   N_("messages which are in newsgroup S"),
 350         "N",     N_("new messages"),
 351         "O",     N_("old messages"),
 352         "p",     N_("incomplete messages (not entirely downloaded)"),
 353         "r",     N_("messages which have been replied to"),
 354         "R",     N_("read messages"),
 355         "s S",   N_("messages which contain S in subject"),
 356         "se #",  N_("messages whose score is equal to #"),
 357         "sg #",  N_("messages whose score is greater than #"),
 358         "sl #",  N_("messages whose score is lower than #"),
 359         "Se #",  N_("messages whose size is equal to #"),
 360         "Sg #",  N_("messages whose size is greater than #"),
 361         "Ss #",  N_("messages whose size is smaller than #"),
 362         "t S",   N_("messages which have been sent to S"),
 363         "T",     N_("marked messages"),
 364         "U",     N_("unread messages"),
 365         "x S",   N_("messages which contain S in References header"),
 366         "X \"cmd args\"", N_("messages returning 0 when passed to command - %F is message file"),
 367         "y S",   N_("messages which contain S in X-Label header"),
 368         "",      "" ,
 369         "&amp;",         N_("logical AND operator"),
 370         "|",     N_("logical OR operator"),
 371         "! or ~",       N_("logical NOT operator"),
 372         "%",     N_("case sensitive search"),
 373         "",      "" ,
 374         " ",     N_("all filtering expressions are allowed"),
 375         NULL,    NULL
 376 };
 377
 378 static DescriptionWindow search_descr = {
 379         NULL,
 380         NULL,
 381         2,
 382         N_("Extended Search"),
 383         N_("Extended Search allows the user to define criteria that messages must "
 384            "have in order to match and be displayed in the message list.\n\n"
 385            "The following symbols can be used:"),
 386         search_descr_strings
 387 };
 388
 389 static void search_description_cb(GtkWidget *widget)
 390 {
 391         description_window_create(&search_descr);
 392 };
 393
 394 static gboolean clear_search_cb(GtkMenuItem *widget, gpointer data)
 395 {
 396         QuickSearch *quicksearch = (QuickSearch *)data;
 397
 398         if (!quicksearch->active)
 399                 return TRUE;
 400
 401         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 402
 403         return TRUE;
 404 };
 405
 406 static void search_condition_expr_done(MatcherList * matchers)
 407 {
 408         gchar *str;
 409
 410         g_return_if_fail(
 411                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL);
 412
 413         if (matchers == NULL)
 414                 return;
 415
 416         str = matcherlist_to_string(matchers);
 417
 418         if (str != NULL) {
 419                 quicksearch_set(mainwindow_get_mainwindow()->summaryview->quicksearch,
 420                                 prefs_common.summary_quicksearch_type, str);
 421                 g_free(str);
 422
 423                 /* add expression to history list and exec quicksearch */
 424                 searchbar_run(mainwindow_get_mainwindow()->summaryview->quicksearch, FALSE);
 425         }
 426 }
 427
 428 static gboolean search_condition_expr(GtkMenuItem *widget, gpointer data)
 429 {
 430         const gchar * cond_str;
 431         MatcherList * matchers = NULL;
 432
 433         g_return_val_if_fail(
 434                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL,
 435                         FALSE);
 436
 437         /* re-use it the current quicksearch value if it's a condition expression,
 438            otherwise ignore it silently */
 439         cond_str = gtk_entry_get_text(
 440                         GTK_ENTRY(GTK_COMBO(mainwindow_get_mainwindow()->summaryview->quicksearch->
 441                         search_string_entry)->entry));
 442         if (*cond_str != '\0') {
 443                 matchers = matcher_parser_get_cond((gchar*)cond_str, NULL);
 444         }
 445
 446         prefs_matcher_open(matchers, search_condition_expr_done);
 447
 448         if (matchers != NULL)
 449                 matcherlist_free(matchers);
 450
 451         return TRUE;
 452 };
 453
 454 QuickSearch *quicksearch_new()
 455 {
 456         QuickSearch *quicksearch;
 457
 458         GtkWidget *hbox_search;
 459         GtkWidget *search_type_opt;
 460         GtkWidget *search_type;
 461         GtkWidget *search_string_entry;
 462         GtkWidget *search_hbox;
 463         GtkWidget *search_description;
 464         GtkWidget *clear_search;
 465         GtkWidget *search_condition_expression;
 466         GtkWidget *menuitem;
 467         GtkTooltips *search_cond_expr_tip;
 468
 469         quicksearch = g_new0(QuickSearch, 1);
 470
 471         /* quick search */
 472         hbox_search = gtk_hbox_new(FALSE, 0);
 473
 474         search_type_opt = gtk_option_menu_new();
 475         gtk_widget_show(search_type_opt);
 476         gtk_box_pack_start(GTK_BOX(hbox_search), search_type_opt, FALSE, FALSE, 0);
 477
 478         search_type = gtk_menu_new();
 479         MENUITEM_ADD (search_type, menuitem, _("Subject"), QUICK_SEARCH_SUBJECT);
 480         g_signal_connect(G_OBJECT(menuitem), "activate",
 481                          G_CALLBACK(searchtype_changed),
 482                          quicksearch);
 483         MENUITEM_ADD (search_type, menuitem, _("From"), QUICK_SEARCH_FROM);
 484         g_signal_connect(G_OBJECT(menuitem), "activate",
 485                          G_CALLBACK(searchtype_changed),
 486                          quicksearch);
 487         MENUITEM_ADD (search_type, menuitem, _("To"), QUICK_SEARCH_TO);
 488         g_signal_connect(G_OBJECT(menuitem), "activate",
 489                          G_CALLBACK(searchtype_changed),
 490                          quicksearch);
 491         MENUITEM_ADD (search_type, menuitem, _("Extended"), QUICK_SEARCH_EXTENDED);
 492         g_signal_connect(G_OBJECT(menuitem), "activate",
 493                          G_CALLBACK(searchtype_changed),
 494                          quicksearch);
 495
 496         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), gtk_separator_menu_item_new());
 497
 498         menuitem = gtk_check_menu_item_new_with_label(_("Recursive"));
 499         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 500
 501         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 502                                         prefs_common.summary_quicksearch_recurse);
 503
 504         g_signal_connect(G_OBJECT(menuitem), "activate",
 505                          G_CALLBACK(searchtype_recursive_changed),
 506                          quicksearch);
 507
 508         menuitem = gtk_check_menu_item_new_with_label(_("Sticky"));
 509         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 510
 511         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 512                                         prefs_common.summary_quicksearch_sticky);
 513
 514         g_signal_connect(G_OBJECT(menuitem), "activate",
 515                          G_CALLBACK(searchtype_sticky_changed),
 516                          quicksearch);
 517
 518         menuitem = gtk_check_menu_item_new_with_label(_("Type-ahead"));
 519         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 520
 521         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 522                                         prefs_common.summary_quicksearch_dynamic);
 523
 524         g_signal_connect(G_OBJECT(menuitem), "activate",
 525                          G_CALLBACK(searchtype_dynamic_changed),
 526                          quicksearch);
 527
 528         gtk_option_menu_set_menu(GTK_OPTION_MENU(search_type_opt), search_type);
 529
 530         gtk_option_menu_set_history(GTK_OPTION_MENU(search_type_opt), prefs_common.summary_quicksearch_type);
 531
 532         gtk_widget_show(search_type);
 533
 534         search_string_entry = gtk_combo_new();
 535         gtk_box_pack_start(GTK_BOX(hbox_search), search_string_entry, FALSE, FALSE, 2);
 536         gtk_combo_set_value_in_list(GTK_COMBO(search_string_entry), FALSE, TRUE);
 537         gtk_combo_set_case_sensitive(GTK_COMBO(search_string_entry), TRUE);
 538         if (prefs_common.summary_quicksearch_history)
 539                 gtk_combo_set_popdown_strings(GTK_COMBO(search_string_entry),
 540                         prefs_common.summary_quicksearch_history);
 541         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(search_string_entry)->entry), "");
 542         gtk_widget_show(search_string_entry);
 543
 544         search_hbox = gtk_hbox_new(FALSE, 5);
 545
 546 #if GTK_CHECK_VERSION(2, 8, 0)
 547         clear_search = gtk_button_new_from_stock(GTK_STOCK_CLEAR);
 548 #else
 549         clear_search = gtk_button_new_with_label(_(" Clear "));
 550 #endif
 551         gtk_box_pack_start(GTK_BOX(search_hbox), clear_search,
 552                            FALSE, FALSE, 0);
 553         g_signal_connect(G_OBJECT(clear_search), "clicked",
 554                          G_CALLBACK(clear_search_cb), quicksearch);
 555         gtk_widget_show(clear_search);
 556
 557 #if GTK_CHECK_VERSION(2, 8, 0)
 558         search_condition_expression = gtk_button_new_from_stock(GTK_STOCK_EDIT);
 559 #else
 560         search_condition_expression = gtk_button_new_with_label(" ... ");
 561 #endif
 562         gtk_box_pack_start(GTK_BOX(search_hbox), search_condition_expression,
 563                            FALSE, FALSE, 0);
 564         g_signal_connect(G_OBJECT (search_condition_expression), "clicked",
 565                          G_CALLBACK(search_condition_expr),
 566                          quicksearch);
 567         search_cond_expr_tip = gtk_tooltips_new();
 568         gtk_tooltips_set_tip(GTK_TOOLTIPS(search_cond_expr_tip),
 569                              search_condition_expression,
 570                              _("Edit search criteria"), NULL);
 571         gtk_widget_show(search_condition_expression);
 572
 573 #if GTK_CHECK_VERSION(2, 8, 0)
 574         search_description = gtk_button_new_from_stock(GTK_STOCK_INFO);
 575 #else
 576         search_description = gtk_button_new_with_label(_(" Extended Symbols... "));
 577 #endif
 578         gtk_box_pack_start(GTK_BOX(search_hbox), search_description,
 579                            FALSE, FALSE, 0);
 580         g_signal_connect(G_OBJECT(search_description), "clicked",
 581                          G_CALLBACK(search_description_cb), NULL);
 582         gtk_widget_show(search_description);
 583
 584         gtk_box_pack_start(GTK_BOX(hbox_search), search_hbox, FALSE, FALSE, 2);
 585         gtk_widget_show(search_hbox);
 586
 587         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 588                            "key_press_event",
 589                            G_CALLBACK(searchbar_pressed),
 590                            quicksearch);
 591
 592         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 593                          "changed",
 594                          G_CALLBACK(searchbar_changed_cb),
 595                          quicksearch);
 596
 597         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 598                          "focus_in_event",
 599                          G_CALLBACK(searchbar_focus_evt_in),
 600                          quicksearch);
 601         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 602                          "focus_out_event",
 603                          G_CALLBACK(searchbar_focus_evt_out),
 604                          quicksearch);
 605
 606         quicksearch->hbox_search = hbox_search;
 607         quicksearch->search_type = search_type;
 608         quicksearch->search_type_opt = search_type_opt;
 609         quicksearch->search_string_entry = search_string_entry;
 610         quicksearch->search_condition_expression = search_condition_expression;
 611         quicksearch->search_description = search_description;
 612         quicksearch->matcher_list = NULL;
 613         quicksearch->active = FALSE;
 614         quicksearch->running = FALSE;
 615         quicksearch->clear_search = clear_search;
 616         quicksearch->in_typing = FALSE;
 617         quicksearch->press_timeout_id = -1;
 618
 619         update_extended_buttons(quicksearch);
 620
 621         return quicksearch;
 622 }
 623
 624 GtkWidget *quicksearch_get_widget(QuickSearch *quicksearch)
 625 {
 626         return quicksearch->hbox_search;
 627 }
 628
 629 void quicksearch_show(QuickSearch *quicksearch)
 630 {
 631         prepare_matcher(quicksearch);
 632         gtk_widget_show(quicksearch->hbox_search);
 633         update_extended_buttons(quicksearch);
 634         gtk_widget_grab_focus(
 635                 GTK_WIDGET(GTK_COMBO(quicksearch->search_string_entry)->entry));
 636 }
 637
 638 void quicksearch_hide(QuickSearch *quicksearch)
 639 {
 640         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 641         quicksearch_set_active(quicksearch, FALSE);
 642         gtk_widget_hide(quicksearch->hbox_search);
 643 }
 644
 645 void quicksearch_set(QuickSearch *quicksearch, QuickSearchType type,
 646                      const gchar *matchstring)
 647 {
 648         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 649                                     type);
 650
 651         g_signal_handlers_block_by_func(G_OBJECT(GTK_COMBO(quicksearch->search_string_entry)->entry),
 652                         G_CALLBACK(searchbar_changed_cb), quicksearch);
 653         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry),
 654                            matchstring);
 655         g_signal_handlers_unblock_by_func(G_OBJECT(GTK_COMBO(quicksearch->search_string_entry)->entry),
 656                         G_CALLBACK(searchbar_changed_cb), quicksearch);
 657
 658         prefs_common.summary_quicksearch_type = type;
 659
 660         prepare_matcher(quicksearch);
 661
 662         quicksearch_set_running(quicksearch, TRUE);
 663         if (quicksearch->callback != NULL)
 664                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 665         quicksearch_set_running(quicksearch, FALSE);
 666 }
 667
 668 gboolean quicksearch_is_active(QuickSearch *quicksearch)
 669 {
 670         return quicksearch->active &&
 671                 (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED
 672                  || quicksearch->matcher_list != NULL);
 673 }
 674
 675 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active)
 676 {
 677         static GdkColor yellow;
 678         static GdkColor red;
 679         static GdkColor black;
 680         static gboolean colors_initialised = FALSE;
 681         gboolean error = FALSE;
 682
 683         if (!colors_initialised) {
 684                 gdk_color_parse("#f5f6be", &yellow);
 685                 gdk_color_parse("#000000", &black);
 686                 gdk_color_parse("#ff7070", &red);
 687                 colors_initialised = gdk_colormap_alloc_color(
 688                         gdk_colormap_get_system(), &yellow, FALSE, TRUE);
 689                 colors_initialised &= gdk_colormap_alloc_color(
 690                         gdk_colormap_get_system(), &black, FALSE, TRUE);
 691                 colors_initialised &= gdk_colormap_alloc_color(
 692                         gdk_colormap_get_system(), &red, FALSE, TRUE);
 693         }
 694
 695         quicksearch->active = active;
 696
 697         if (active &&
 698                 (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED
 699                  && quicksearch->matcher_list == NULL))
 700                 error = TRUE;
 701
 702         if (active) {
 703                 gtk_widget_set_sensitive(quicksearch->clear_search, TRUE);
 704                 if (colors_initialised) {
 705                         gtk_widget_modify_base(
 706                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
 707                                 GTK_STATE_NORMAL, error ? &red : &yellow);
 708                         gtk_widget_modify_text(
 709                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
 710                                 GTK_STATE_NORMAL, &black);
 711                 }
 712         } else {
 713                 gtk_widget_set_sensitive(quicksearch->clear_search, FALSE);
 714                 if (colors_initialised) {
 715                         gtk_widget_modify_base(
 716                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
 717                                 GTK_STATE_NORMAL, NULL);
 718                         gtk_widget_modify_text(
 719                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
 720                                 GTK_STATE_NORMAL, NULL);
 721                 }
 722         }
 723
 724         if (!active) {
 725                 quicksearch_reset_cur_folder_item(quicksearch);
 726         }
 727 }
 728
 729 void quicksearch_set_execute_callback(QuickSearch *quicksearch,
 730                                       QuickSearchExecuteCallback callback,
 731                                       gpointer data)
 732 {
 733         quicksearch->callback = callback;
 734         quicksearch->callback_data = data;
 735 }
 736
 737 gboolean quicksearch_match(QuickSearch *quicksearch, MsgInfo *msginfo)
 738 {
 739         gchar *searched_header = NULL;
 740         gboolean result = FALSE;
 741
 742         if (!quicksearch->active)
 743                 return TRUE;
 744
 745         switch (prefs_common.summary_quicksearch_type) {
 746         case QUICK_SEARCH_SUBJECT:
 747                 searched_header = msginfo->subject;
 748                 break;
 749         case QUICK_SEARCH_FROM:
 750                 searched_header = msginfo->from;
 751                 break;
 752         case QUICK_SEARCH_TO:
 753                 searched_header = msginfo->to;
 754                 break;
 755         case QUICK_SEARCH_EXTENDED:
 756                 break;
 757         default:
 758                 debug_print("unknown search type (%d)\n", prefs_common.summary_quicksearch_type);
 759                 break;
 760         }
 761         quicksearch->matching = TRUE;
 762         if (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED &&
 763             quicksearch->search_string &&
 764             searched_header && strcasestr(searched_header, quicksearch->search_string) != NULL)
 765                 result = TRUE;
 766         else if ((quicksearch->matcher_list != NULL) &&
 767                  matcherlist_match(quicksearch->matcher_list, msginfo))
 768                 result = TRUE;
 769
 770         quicksearch->matching = FALSE;
 771         if (quicksearch->deferred_free) {
 772                 prepare_matcher(quicksearch);
 773         }
 774
 775         return result;
 776 }
 777
 778 /* allow Mutt-like patterns in quick search */
 779 gchar *expand_search_string(const gchar *search_string)
 780 {
 781         int i = 0;
 782         gchar term_char, save_char;
 783         gchar *cmd_start, *cmd_end;
 784         GString *matcherstr;
 785         gchar *returnstr = NULL;
 786         gchar *copy_str;
 787         gboolean casesens, dontmatch;
 788         /* list of allowed pattern abbreviations */
 789         struct {
 790                 gchar           *abbreviated;   /* abbreviation */
 791                 gchar           *command;       /* actual matcher command */
 792                 gint            numparams;      /* number of params for cmd */
 793                 gboolean        qualifier;      /* do we append regexpcase */
 794                 gboolean        quotes;         /* do we need quotes */
 795         }
 796         cmds[] = {
 797                 { "a",  "all",                          0,      FALSE,  FALSE },
 798                 { "ag", "age_greater",                  1,      FALSE,  FALSE },
 799                 { "al", "age_lower",                    1,      FALSE,  FALSE },
 800                 { "b",  "body_part",                    1,      TRUE,   TRUE  },
 801                 { "B",  "message",                      1,      TRUE,   TRUE  },
 802                 { "c",  "cc",                           1,      TRUE,   TRUE  },
 803                 { "C",  "to_or_cc",                     1,      TRUE,   TRUE  },
 804                 { "D",  "deleted",                      0,      FALSE,  FALSE },
 805                 { "e",  "header \"Sender\"",            1,      TRUE,   TRUE  },
 806                 { "E",  "execute",                      1,      FALSE,  TRUE  },
 807                 { "f",  "from",                         1,      TRUE,   TRUE  },
 808                 { "F",  "forwarded",                    0,      FALSE,  FALSE },
 809                 { "h",  "headers_part",                 1,      TRUE,   TRUE  },
 810                 { "i",  "header \"Message-ID\"",        1,      TRUE,   TRUE  },
 811                 { "I",  "inreplyto",                    1,      TRUE,   TRUE  },
 812                 { "k",  "colorlabel",                   1,      FALSE,  FALSE },
 813                 { "L",  "locked",                       0,      FALSE,  FALSE },
 814                 { "n",  "newsgroups",                   1,      TRUE,   TRUE  },
 815                 { "N",  "new",                          0,      FALSE,  FALSE },
 816                 { "O",  "~new",                         0,      FALSE,  FALSE },
 817                 { "r",  "replied",                      0,      FALSE,  FALSE },
 818                 { "R",  "~unread",                      0,      FALSE,  FALSE },
 819                 { "s",  "subject",                      1,      TRUE,   TRUE  },
 820                 { "se", "score_equal",                  1,      FALSE,  FALSE },
 821                 { "sg", "score_greater",                1,      FALSE,  FALSE },
 822                 { "sl", "score_lower",                  1,      FALSE,  FALSE },
 823                 { "Se", "size_equal",                   1,      FALSE,  FALSE },
 824                 { "Sg", "size_greater",                 1,      FALSE,  FALSE },
 825                 { "Ss", "size_smaller",                 1,      FALSE,  FALSE },
 826                 { "t",  "to",                           1,      TRUE,   TRUE  },
 827                 { "T",  "marked",                       0,      FALSE,  FALSE },
 828                 { "U",  "unread",                       0,      FALSE,  FALSE },
 829                 { "x",  "header \"References\"",        1,      TRUE,   TRUE  },
 830                 { "X",  "test",                         1,      FALSE,  FALSE },
 831                 { "y",  "header \"X-Label\"",           1,      TRUE,   TRUE  },
 832                 { "&",  "&",                            0,      FALSE,  FALSE },
 833                 { "|",  "|",                            0,      FALSE,  FALSE },
 834                 { "p",  "partial",                      0,      FALSE,  FALSE },
 835                 { NULL, NULL,                           0,      FALSE,  FALSE }
 836         };
 837
 838         if (search_string == NULL)
 839                 return NULL;
 840
 841         copy_str = g_strdup(search_string);
 842
 843         matcherstr = g_string_sized_new(16);
 844         cmd_start = copy_str;
 845         while (cmd_start && *cmd_start) {
 846                 /* skip all white spaces */
 847                 while (*cmd_start && isspace((guchar)*cmd_start))
 848                         cmd_start++;
 849                 cmd_end = cmd_start;
 850
 851                 /* extract a command */
 852                 while (*cmd_end && !isspace((guchar)*cmd_end))
 853                         cmd_end++;
 854
 855                 /* save character */
 856                 save_char = *cmd_end;
 857                 *cmd_end = '\0';
 858
 859                 dontmatch = FALSE;
 860                 casesens = FALSE;
 861
 862                 /* ~ and ! mean logical NOT */
 863                 if (*cmd_start == '~' || *cmd_start == '!')
 864                 {
 865                         dontmatch = TRUE;
 866                         cmd_start++;
 867                 }
 868                 /* % means case sensitive match */
 869                 if (*cmd_start == '%')
 870                 {
 871                         casesens = TRUE;
 872                         cmd_start++;
 873                 }
 874
 875                 /* find matching abbreviation */
 876                 for (i = 0; cmds[i].command; i++) {
 877                         if (!strcmp(cmd_start, cmds[i].abbreviated)) {
 878                                 /* restore character */
 879                                 *cmd_end = save_char;
 880
 881                                 /* copy command */
 882                                 if (matcherstr->len > 0) {
 883                                         g_string_append(matcherstr, " ");
 884                                 }
 885                                 if (dontmatch)
 886                                         g_string_append(matcherstr, "~");
 887                                 g_string_append(matcherstr, cmds[i].command);
 888                                 g_string_append(matcherstr, " ");
 889
 890                                 /* stop if no params required */
 891                                 if (cmds[i].numparams == 0)
 892                                         break;
 893
 894                                 /* extract a parameter, allow quotes */
 895                                 while (*cmd_end && isspace((guchar)*cmd_end))
 896                                         cmd_end++;
 897
 898                                 cmd_start = cmd_end;
 899                                 if (*cmd_start == '"') {
 900                                         term_char = '"';
 901                                         cmd_end++;
 902                                 }
 903                                 else
 904                                         term_char = ' ';
 905
 906                                 /* extract actual parameter */
 907                                 while ((*cmd_end) && (*cmd_end != term_char))
 908                                         cmd_end++;
 909
 910                                 if (*cmd_end == '"')
 911                                         cmd_end++;
 912
 913                                 save_char = *cmd_end;
 914                                 *cmd_end = '\0';
 915
 916                                 if (cmds[i].qualifier) {
 917                                         if (casesens)
 918                                                 g_string_append(matcherstr, "regexp ");
 919                                         else
 920                                                 g_string_append(matcherstr, "regexpcase ");
 921                                 }
 922
 923                                 /* do we need to add quotes ? */
 924                                 if (cmds[i].quotes && term_char != '"')
 925                                         g_string_append(matcherstr, "\"");
 926
 927                                 /* copy actual parameter */
 928                                 g_string_append(matcherstr, cmd_start);
 929
 930                                 /* do we need to add quotes ? */
 931                                 if (cmds[i].quotes && term_char != '"')
 932                                         g_string_append(matcherstr, "\"");
 933
 934                                 /* restore original character */
 935                                 *cmd_end = save_char;
 936
 937                                 break;
 938                         }
 939                 }
 940
 941                 if (*cmd_end)
 942                         cmd_end++;
 943                 cmd_start = cmd_end;
 944         }
 945
 946         g_free(copy_str);
 947
 948         /* return search string if no match is found to allow
 949            all available filtering expressions in quicksearch */
 950         if (matcherstr->len > 0) returnstr = matcherstr->str;
 951         else returnstr = g_strdup(search_string);
 952
 953         g_string_free(matcherstr, FALSE);
 954         return returnstr;
 955 }
 956
 957 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run)
 958 {
 959         quicksearch->running = run;
 960 }
 961
 962 gboolean quicksearch_is_running(QuickSearch *quicksearch)
 963 {
 964         return quicksearch->running;
 965 }
 966
 967 void quicksearch_pass_key(QuickSearch *quicksearch, guint val, GdkModifierType mod)
 968 {
 969         GtkEntry *entry = GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry);
 970         glong curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
 971         guint32 c;
 972         char *str = g_strdup(gtk_entry_get_text(entry));
 973         char *begin = str;
 974         char *end = NULL;
 975         char *new = NULL;
 976         char key[7] = "";
 977         guint char_len = 0;
 978
 979         if (gtk_editable_get_selection_bounds(GTK_EDITABLE(entry), NULL, NULL)) {
 980                 /* remove selection */
 981                 gtk_editable_delete_selection(GTK_EDITABLE(entry));
 982                 curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
 983                 /* refresh string */
 984                 g_free(str);
 985                 str = g_strdup(gtk_entry_get_text(entry));
 986                 begin = str;
 987         }
 988
 989         if (!(c = gdk_keyval_to_unicode(val))) {
 990                 g_free(str);
 991                 return;
 992         }
 993         char_len = g_unichar_to_utf8(c, key);
 994         if (char_len < 0)
 995                 return;
 996         key[char_len] = '\0';
 997         if (curpos < g_utf8_strlen(str, -1)) {
 998                 gchar *stop = g_utf8_offset_to_pointer(begin, curpos);
 999                 end = g_strdup(g_utf8_offset_to_pointer(str, curpos));
1000                 *stop = '\0';
1001                 new = g_strdup_printf("%s%s%s", begin, key, end);
1002                 gtk_entry_set_text(entry, new);
1003                 g_free(end);
1004         } else {
1005                 new = g_strdup_printf("%s%s", begin, key);
1006                 gtk_entry_set_text(entry, new);
1007         }
1008         g_free(str);
1009         g_free(new);
1010         gtk_editable_set_position(GTK_EDITABLE(entry), curpos+1);
1011
1012 }
1013
1014 static gboolean quicksearch_match_subfolder(QuickSearch *quicksearch,
1015                                  FolderItem *src)
1016 {
1017         GSList *msglist = folder_item_get_msg_list(src);
1018         GSList *cur;
1019         gboolean result = FALSE;
1020         gint num = 0, total = src->total_msgs;
1021         gint interval = quicksearch_is_fast(quicksearch) ? 5000:100;
1022
1023         statusbar_print_all(_("Searching in %s... \n"),
1024                 src->path ? src->path : "(null)");
1025         folder_item_update_freeze();
1026         for (cur = msglist; cur != NULL; cur = cur->next) {
1027                 MsgInfo *msg = (MsgInfo *)cur->data;
1028                 statusbar_progress_all(num++,total, interval);
1029                 if (quicksearch_match(quicksearch, msg)) {
1030                         procmsg_msginfo_free(msg);
1031                         result = TRUE;
1032                         break;
1033                 }
1034                 procmsg_msginfo_free(msg);
1035                 if (num % interval == 0)
1036                         GTK_EVENTS_FLUSH();
1037                 if (!quicksearch_is_active(quicksearch))
1038                         break;
1039         }
1040         folder_item_update_thaw();
1041         statusbar_progress_all(0,0,0);
1042         statusbar_pop_all();
1043
1044         g_slist_free(msglist);
1045         return result;
1046 }
1047
1048 void quicksearch_search_subfolders(QuickSearch *quicksearch,
1049                                    FolderView *folderview,
1050                                    FolderItem *folder_item)
1051 {
1052         FolderItem *cur = NULL;
1053         GNode *node = folder_item->node->children;
1054
1055         if (!prefs_common.summary_quicksearch_recurse
1056         ||  quicksearch->in_typing == TRUE)
1057                 return;
1058
1059         for (; node != NULL; node = node->next) {
1060                 cur = FOLDER_ITEM(node->data);
1061                 if (quicksearch_match_subfolder(quicksearch, cur)) {
1062                         folderview_update_search_icon(cur, TRUE);
1063                 } else {
1064                         folderview_update_search_icon(cur, FALSE);
1065                 }
1066                 if (cur->node->children)
1067                         quicksearch_search_subfolders(quicksearch,
1068                                                       folderview,
1069                                                       cur);
1070         }
1071         quicksearch->root_folder_item = folder_item;
1072         if (!quicksearch_is_active(quicksearch))
1073                 quicksearch_reset_cur_folder_item(quicksearch);
1074 }
1075
1076 static void quicksearch_reset_folder_items(QuickSearch *quicksearch,
1077                                     FolderItem *folder_item)
1078 {
1079         FolderItem *cur = NULL;
1080         GNode *node = (folder_item && folder_item->node) ?
1081                         folder_item->node->children : NULL;
1082
1083         for (; node != NULL; node = node->next) {
1084                 cur = FOLDER_ITEM(node->data);
1085                 folderview_update_search_icon(cur, FALSE);
1086                 if (cur->node->children)
1087                         quicksearch_reset_folder_items(quicksearch,
1088                                                        cur);
1089         }
1090 }
1091
1092 void quicksearch_reset_cur_folder_item(QuickSearch *quicksearch)
1093 {
1094         if (quicksearch->root_folder_item)
1095                 quicksearch_reset_folder_items(quicksearch,
1096                                                quicksearch->root_folder_item);
1097
1098         quicksearch->root_folder_item = NULL;
1099 }
1100
1101 gboolean quicksearch_is_in_typing(QuickSearch *quicksearch)
1102 {
1103         return quicksearch->in_typing;
1104 }