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 };
  66
  67 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run);
  68 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active);
  69 static void quicksearch_reset_folder_items(QuickSearch *quicksearch, FolderItem *folder_item);
  70
  71 static void prepare_matcher(QuickSearch *quicksearch)
  72 {
  73         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
  74
  75         if (search_string == NULL || search_string[0] == '\0') {
  76                 quicksearch_set_active(quicksearch, FALSE);
  77         }
  78
  79         if (quicksearch->matcher_list != NULL) {
  80                 if (quicksearch->matching) {
  81                         quicksearch->deferred_free = TRUE;
  82                         return;
  83                 }
  84                 quicksearch->deferred_free = FALSE;
  85                 matcherlist_free(quicksearch->matcher_list);
  86                 quicksearch->matcher_list = NULL;
  87         }
  88
  89         if (search_string == NULL || search_string[0] == '\0') {
  90                 return;
  91         }
  92
  93         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
  94                 char *newstr = NULL;
  95
  96                 newstr = expand_search_string(search_string);
  97                 if (newstr && newstr[0] != '\0') {
  98                         quicksearch->matcher_list = matcher_parser_get_cond(newstr);
  99                         g_free(newstr);
 100                 } else {
 101                         quicksearch->matcher_list = NULL;
 102                         quicksearch_set_active(quicksearch, FALSE);
 103
 104                         return;
 105                 }
 106         } else {
 107                 if (quicksearch->search_string != NULL)
 108                         g_free(quicksearch->search_string);
 109                 quicksearch->search_string = g_strdup(search_string);
 110         }
 111
 112         quicksearch_set_active(quicksearch, TRUE);
 113 }
 114
 115 static void update_extended_buttons (QuickSearch *quicksearch)
 116 {
 117         GtkWidget *expr_btn = quicksearch->search_condition_expression;
 118         GtkWidget *ext_btn = quicksearch->search_description;
 119
 120         g_return_if_fail(expr_btn != NULL);
 121         g_return_if_fail(ext_btn != NULL);
 122
 123         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
 124                 gtk_widget_show(expr_btn);
 125                 gtk_widget_show(ext_btn);
 126         } else {
 127                 gtk_widget_hide(expr_btn);
 128                 gtk_widget_hide(ext_btn);
 129         }
 130 }
 131
 132 static gboolean searchbar_focus_evt(GtkWidget *widget, GdkEventFocus *event,
 133                                   QuickSearch *quicksearch)
 134 {
 135         quicksearch->has_focus = (event && event->in);
 136         return FALSE;
 137 }
 138
 139 gboolean quicksearch_has_focus(QuickSearch *quicksearch)
 140 {
 141         return quicksearch->has_focus;
 142 }
 143
 144 static void searchbar_run(QuickSearch *quicksearch)
 145 {
 146         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
 147
 148         if (search_string && strlen(search_string) != 0) {
 149                 prefs_common.summary_quicksearch_history =
 150                         add_history(prefs_common.summary_quicksearch_history,
 151                                         search_string);
 152                 gtk_combo_set_popdown_strings(GTK_COMBO(quicksearch->search_string_entry),
 153                         prefs_common.summary_quicksearch_history);
 154         }
 155
 156         prepare_matcher(quicksearch);
 157
 158         quicksearch_set_running(quicksearch, TRUE);
 159         if (quicksearch->callback != NULL)
 160                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 161         quicksearch_set_running(quicksearch, FALSE);
 162 }
 163
 164 static gboolean searchbar_pressed(GtkWidget *widget, GdkEventKey *event,
 165                                   QuickSearch *quicksearch)
 166 {
 167         if (event != NULL && event->keyval == GDK_Escape) {
 168                 quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 169                 return TRUE;
 170         }
 171
 172         if (event != NULL && event->keyval == GDK_Return) {
 173                 /* add expression to history list and exec quicksearch */
 174                 searchbar_run(quicksearch);
 175
 176                 g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
 177                 return TRUE;
 178         }
 179
 180         return FALSE;
 181 }
 182
 183 static gboolean searchtype_changed(GtkMenuItem *widget, gpointer data)
 184 {
 185         QuickSearch *quicksearch = (QuickSearch *)data;
 186         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
 187
 188         prefs_common.summary_quicksearch_type = GPOINTER_TO_INT(g_object_get_data(
 189                                    G_OBJECT(GTK_MENU_ITEM(gtk_menu_get_active(
 190                                    GTK_MENU(quicksearch->search_type)))), MENU_VAL_ID));
 191
 192         /* Show extended search description button, only when Extended is selected */
 193         update_extended_buttons(quicksearch);
 194
 195         if (!search_string || strlen(search_string) == 0) {
 196                 return TRUE;
 197         }
 198
 199         prepare_matcher(quicksearch);
 200
 201         quicksearch_set_running(quicksearch, TRUE);
 202         if (quicksearch->callback != NULL)
 203                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 204         quicksearch_set_running(quicksearch, FALSE);
 205         return TRUE;
 206 }
 207
 208 static gboolean searchtype_recursive_changed(GtkMenuItem *widget, gpointer data)
 209 {
 210         QuickSearch *quicksearch = (QuickSearch *)data;
 211         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 212         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
 213
 214         prefs_common.summary_quicksearch_recurse = checked;
 215
 216         /* reselect the search type */
 217         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 218                                     prefs_common.summary_quicksearch_type);
 219
 220         if (!search_string || strlen(search_string) == 0) {
 221                 return TRUE;
 222         }
 223
 224         prepare_matcher(quicksearch);
 225
 226         quicksearch_set_running(quicksearch, TRUE);
 227         if (quicksearch->callback != NULL)
 228                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 229         quicksearch_set_running(quicksearch, FALSE);
 230         return TRUE;
 231 }
 232
 233 static gboolean searchtype_sticky_changed(GtkMenuItem *widget, gpointer data)
 234 {
 235         QuickSearch *quicksearch = (QuickSearch *)data;
 236         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 237
 238         prefs_common.summary_quicksearch_sticky = checked;
 239
 240         /* reselect the search type */
 241         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 242                                     prefs_common.summary_quicksearch_type);
 243
 244         return TRUE;
 245 }
 246
 247 /*
 248  * Strings describing how to use Extended Search
 249  *
 250  * When adding new lines, remember to put 2 strings for each line
 251  */
 252 static gchar *search_descr_strings[] = {
 253         "a",     N_("all messages"),
 254         "ag #",  N_("messages whose age is greater than #"),
 255         "al #",  N_("messages whose age is less than #"),
 256         "b S",   N_("messages which contain S in the message body"),
 257         "B S",   N_("messages which contain S in the whole message"),
 258         "c S",   N_("messages carbon-copied to S"),
 259         "C S",   N_("message is either to: or cc: to S"),
 260         "D",     N_("deleted messages"), /** how I can filter deleted messages **/
 261         "e S",   N_("messages which contain S in the Sender field"),
 262         "E S",   N_("true if execute \"S\" succeeds"),
 263         "f S",   N_("messages originating from user S"),
 264         "F",     N_("forwarded messages"),
 265         "h S",   N_("messages which contain header S"),
 266         "i S",   N_("messages which contain S in Message-ID header"),
 267         "I S",   N_("messages which contain S in inreplyto header"),
 268         "L",     N_("locked messages"),
 269         "n S",   N_("messages which are in newsgroup S"),
 270         "N",     N_("new messages"),
 271         "O",     N_("old messages"),
 272         "p",     N_("incomplete messages (not entirely downloaded)"),
 273         "r",     N_("messages which have been replied to"),
 274         "R",     N_("read messages"),
 275         "s S",   N_("messages which contain S in subject"),
 276         "se #",  N_("messages whose score is equal to #"),
 277         "sg #",  N_("messages whose score is greater than #"),
 278         "sl #",  N_("messages whose score is lower than #"),
 279         "Se #",  N_("messages whose size is equal to #"),
 280         "Sg #",  N_("messages whose size is greater than #"),
 281         "Ss #",  N_("messages whose size is smaller than #"),
 282         "t S",   N_("messages which have been sent to S"),
 283         "T",     N_("marked messages"),
 284         "U",     N_("unread messages"),
 285         "x S",   N_("messages which contain S in References header"),
 286         "X cmd", N_("messages returning 0 when passed to command"),
 287         "y S",   N_("messages which contain S in X-Label header"),
 288         "",      "" ,
 289         "&amp;",         N_("logical AND operator"),
 290         "|",     N_("logical OR operator"),
 291         "! or ~",       N_("logical NOT operator"),
 292         "%",     N_("case sensitive search"),
 293         "",      "" ,
 294         " ",     N_("all filtering expressions are allowed"),
 295         NULL,    NULL
 296 };
 297
 298 static DescriptionWindow search_descr = {
 299         NULL,
 300         NULL,
 301         2,
 302         N_("Extended Search"),
 303         N_("Extended Search allows the user to define criteria that messages must "
 304            "have in order to match and be displayed in the message list.\n\n"
 305            "The following symbols can be used:"),
 306         search_descr_strings
 307 };
 308
 309 static void search_description_cb(GtkWidget *widget)
 310 {
 311         description_window_create(&search_descr);
 312 };
 313
 314 static gboolean clear_search_cb(GtkMenuItem *widget, gpointer data)
 315 {
 316         QuickSearch *quicksearch = (QuickSearch *)data;
 317
 318         if (!quicksearch->active)
 319                 return TRUE;
 320
 321         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 322
 323         return TRUE;
 324 };
 325
 326 static void search_condition_expr_done(MatcherList * matchers)
 327 {
 328         gchar *str;
 329
 330         g_return_if_fail(
 331                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL);
 332
 333         if (matchers == NULL)
 334                 return;
 335
 336         str = matcherlist_to_string(matchers);
 337
 338         if (str != NULL) {
 339                 quicksearch_set(mainwindow_get_mainwindow()->summaryview->quicksearch,
 340                                 prefs_common.summary_quicksearch_type, str);
 341                 g_free(str);
 342
 343                 /* add expression to history list and exec quicksearch */
 344                 searchbar_run(mainwindow_get_mainwindow()->summaryview->quicksearch);
 345         }
 346 }
 347
 348 static gboolean search_condition_expr(GtkMenuItem *widget, gpointer data)
 349 {
 350         const gchar * cond_str;
 351         MatcherList * matchers = NULL;
 352
 353         g_return_val_if_fail(
 354                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL,
 355                         FALSE);
 356
 357         /* re-use it the current quicksearch value if it's a condition expression,
 358            otherwise ignore it silently */
 359         cond_str = gtk_entry_get_text(
 360                         GTK_ENTRY(GTK_COMBO(mainwindow_get_mainwindow()->summaryview->quicksearch->
 361                         search_string_entry)->entry));
 362         if (*cond_str != '\0') {
 363                 matchers = matcher_parser_get_cond((gchar*)cond_str);
 364         }
 365
 366         prefs_matcher_open(matchers, search_condition_expr_done);
 367
 368         if (matchers != NULL)
 369                 matcherlist_free(matchers);
 370
 371         return TRUE;
 372 };
 373
 374 QuickSearch *quicksearch_new()
 375 {
 376         QuickSearch *quicksearch;
 377
 378         GtkWidget *hbox_search;
 379         GtkWidget *search_type_opt;
 380         GtkWidget *search_type;
 381         GtkWidget *search_string_entry;
 382         GtkWidget *search_hbox;
 383         GtkWidget *search_description;
 384         GtkWidget *clear_search;
 385         GtkWidget *search_condition_expression;
 386         GtkWidget *menuitem;
 387         GtkTooltips *search_cond_expr_tip;
 388
 389         quicksearch = g_new0(QuickSearch, 1);
 390
 391         /* quick search */
 392         hbox_search = gtk_hbox_new(FALSE, 0);
 393
 394         search_type_opt = gtk_option_menu_new();
 395         gtk_widget_show(search_type_opt);
 396         gtk_box_pack_start(GTK_BOX(hbox_search), search_type_opt, FALSE, FALSE, 0);
 397
 398         search_type = gtk_menu_new();
 399         MENUITEM_ADD (search_type, menuitem, _("Subject"), QUICK_SEARCH_SUBJECT);
 400         g_signal_connect(G_OBJECT(menuitem), "activate",
 401                          G_CALLBACK(searchtype_changed),
 402                          quicksearch);
 403         MENUITEM_ADD (search_type, menuitem, _("From"), QUICK_SEARCH_FROM);
 404         g_signal_connect(G_OBJECT(menuitem), "activate",
 405                          G_CALLBACK(searchtype_changed),
 406                          quicksearch);
 407         MENUITEM_ADD (search_type, menuitem, _("To"), QUICK_SEARCH_TO);
 408         g_signal_connect(G_OBJECT(menuitem), "activate",
 409                          G_CALLBACK(searchtype_changed),
 410                          quicksearch);
 411         MENUITEM_ADD (search_type, menuitem, _("Extended"), QUICK_SEARCH_EXTENDED);
 412         g_signal_connect(G_OBJECT(menuitem), "activate",
 413                          G_CALLBACK(searchtype_changed),
 414                          quicksearch);
 415
 416         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), gtk_separator_menu_item_new());
 417
 418         menuitem = gtk_check_menu_item_new_with_label(_("Recursive"));
 419         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 420
 421         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 422                                         prefs_common.summary_quicksearch_recurse);
 423
 424         g_signal_connect(G_OBJECT(menuitem), "activate",
 425                          G_CALLBACK(searchtype_recursive_changed),
 426                          quicksearch);
 427
 428         menuitem = gtk_check_menu_item_new_with_label(_("Sticky"));
 429         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 430
 431         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 432                                         prefs_common.summary_quicksearch_sticky);
 433
 434         g_signal_connect(G_OBJECT(menuitem), "activate",
 435                          G_CALLBACK(searchtype_sticky_changed),
 436                          quicksearch);
 437
 438         gtk_option_menu_set_menu(GTK_OPTION_MENU(search_type_opt), search_type);
 439
 440         gtk_option_menu_set_history(GTK_OPTION_MENU(search_type_opt), prefs_common.summary_quicksearch_type);
 441
 442         gtk_widget_show(search_type);
 443
 444         search_string_entry = gtk_combo_new();
 445         gtk_box_pack_start(GTK_BOX(hbox_search), search_string_entry, FALSE, FALSE, 2);
 446         gtk_combo_set_value_in_list(GTK_COMBO(search_string_entry), FALSE, TRUE);
 447         gtk_combo_set_case_sensitive(GTK_COMBO(search_string_entry), TRUE);
 448         if (prefs_common.summary_quicksearch_history)
 449                 gtk_combo_set_popdown_strings(GTK_COMBO(search_string_entry),
 450                         prefs_common.summary_quicksearch_history);
 451         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(search_string_entry)->entry), "");
 452         gtk_widget_show(search_string_entry);
 453
 454         search_hbox = gtk_hbox_new(FALSE, 5);
 455
 456         clear_search = gtk_button_new_with_label(_(" Clear "));
 457         gtk_box_pack_start(GTK_BOX(search_hbox), clear_search,
 458                            FALSE, FALSE, 0);
 459         g_signal_connect(G_OBJECT(clear_search), "clicked",
 460                          G_CALLBACK(clear_search_cb), quicksearch);
 461         gtk_widget_show(clear_search);
 462
 463         search_condition_expression = gtk_button_new_with_label(" ... ");
 464         gtk_box_pack_start(GTK_BOX(search_hbox), search_condition_expression,
 465                            FALSE, FALSE, 0);
 466         g_signal_connect(G_OBJECT (search_condition_expression), "clicked",
 467                          G_CALLBACK(search_condition_expr),
 468                          quicksearch);
 469         search_cond_expr_tip = gtk_tooltips_new();
 470         gtk_tooltips_set_tip(GTK_TOOLTIPS(search_cond_expr_tip),
 471                              search_condition_expression,
 472                              _("Edit search criteria"), NULL);
 473         gtk_widget_show(search_condition_expression);
 474
 475         search_description = gtk_button_new_with_label(_(" Extended Symbols... "));
 476         gtk_box_pack_start(GTK_BOX(search_hbox), search_description,
 477                            FALSE, FALSE, 0);
 478         g_signal_connect(G_OBJECT(search_description), "clicked",
 479                          G_CALLBACK(search_description_cb), NULL);
 480         gtk_widget_show(search_description);
 481
 482         gtk_box_pack_start(GTK_BOX(hbox_search), search_hbox, FALSE, FALSE, 2);
 483         gtk_widget_show(search_hbox);
 484
 485         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 486                            "key_press_event",
 487                            G_CALLBACK(searchbar_pressed),
 488                            quicksearch);
 489         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 490                          "focus_in_event",
 491                          G_CALLBACK(searchbar_focus_evt),
 492                          quicksearch);
 493         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 494                          "focus_out_event",
 495                          G_CALLBACK(searchbar_focus_evt),
 496                          quicksearch);
 497
 498         quicksearch->hbox_search = hbox_search;
 499         quicksearch->search_type = search_type;
 500         quicksearch->search_type_opt = search_type_opt;
 501         quicksearch->search_string_entry = search_string_entry;
 502         quicksearch->search_condition_expression = search_condition_expression;
 503         quicksearch->search_description = search_description;
 504         quicksearch->matcher_list = NULL;
 505         quicksearch->active = FALSE;
 506         quicksearch->running = FALSE;
 507         quicksearch->clear_search = clear_search;
 508
 509         update_extended_buttons(quicksearch);
 510
 511         return quicksearch;
 512 }
 513
 514 GtkWidget *quicksearch_get_widget(QuickSearch *quicksearch)
 515 {
 516         return quicksearch->hbox_search;
 517 }
 518
 519 void quicksearch_show(QuickSearch *quicksearch)
 520 {
 521         prepare_matcher(quicksearch);
 522         gtk_widget_show(quicksearch->hbox_search);
 523         update_extended_buttons(quicksearch);
 524         gtk_widget_grab_focus(
 525                 GTK_WIDGET(GTK_COMBO(quicksearch->search_string_entry)->entry));
 526 }
 527
 528 void quicksearch_hide(QuickSearch *quicksearch)
 529 {
 530         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 531         quicksearch_set_active(quicksearch, FALSE);
 532         gtk_widget_hide(quicksearch->hbox_search);
 533 }
 534
 535 void quicksearch_set(QuickSearch *quicksearch, QuickSearchType type,
 536                      const gchar *matchstring)
 537 {
 538         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 539                                     type);
 540         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry),
 541                            matchstring);
 542         prefs_common.summary_quicksearch_type = type;
 543
 544         prepare_matcher(quicksearch);
 545
 546         quicksearch_set_running(quicksearch, TRUE);
 547         if (quicksearch->callback != NULL)
 548                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 549         quicksearch_set_running(quicksearch, FALSE);
 550 }
 551
 552 gboolean quicksearch_is_active(QuickSearch *quicksearch)
 553 {
 554         return quicksearch->active;
 555 }
 556
 557 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active)
 558 {
 559         static GdkColor yellow;
 560         static GdkColor black;
 561         static gboolean yellow_initialised = FALSE;
 562
 563         if (!yellow_initialised) {
 564                 gdk_color_parse("#f5f6be", &yellow);
 565                 gdk_color_parse("#000000", &black);
 566                 yellow_initialised = gdk_colormap_alloc_color(
 567                         gdk_colormap_get_system(), &yellow, FALSE, TRUE);
 568                 yellow_initialised &= gdk_colormap_alloc_color(
 569                         gdk_colormap_get_system(), &black, FALSE, TRUE);
 570
 571         }
 572         quicksearch->active = active;
 573
 574         if (active) {
 575                 gtk_widget_set_sensitive(quicksearch->clear_search, TRUE);
 576                 if (yellow_initialised)
 577                         gtk_widget_modify_base(
 578                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
 579                                 GTK_STATE_NORMAL, &yellow);
 580                         gtk_widget_modify_text(
 581                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
 582                                 GTK_STATE_NORMAL, &black);
 583         } else {
 584                 gtk_widget_set_sensitive(quicksearch->clear_search, FALSE);
 585                 if (yellow_initialised)
 586                         gtk_widget_modify_base(
 587                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
 588                                 GTK_STATE_NORMAL, NULL);
 589                         gtk_widget_modify_text(
 590                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
 591                                 GTK_STATE_NORMAL, NULL);
 592         }
 593
 594         if (!active) {
 595                 quicksearch_reset_cur_folder_item(quicksearch);
 596         }
 597 }
 598
 599 void quicksearch_set_execute_callback(QuickSearch *quicksearch,
 600                                       QuickSearchExecuteCallback callback,
 601                                       gpointer data)
 602 {
 603         quicksearch->callback = callback;
 604         quicksearch->callback_data = data;
 605 }
 606
 607 gboolean quicksearch_match(QuickSearch *quicksearch, MsgInfo *msginfo)
 608 {
 609         gchar *searched_header = NULL;
 610         gboolean result = FALSE;
 611
 612         if (!quicksearch->active)
 613                 return TRUE;
 614
 615         switch (prefs_common.summary_quicksearch_type) {
 616         case QUICK_SEARCH_SUBJECT:
 617                 searched_header = msginfo->subject;
 618                 break;
 619         case QUICK_SEARCH_FROM:
 620                 searched_header = msginfo->from;
 621                 break;
 622         case QUICK_SEARCH_TO:
 623                 searched_header = msginfo->to;
 624                 break;
 625         case QUICK_SEARCH_EXTENDED:
 626                 break;
 627         default:
 628                 debug_print("unknown search type (%d)\n", prefs_common.summary_quicksearch_type);
 629                 break;
 630         }
 631         quicksearch->matching = TRUE;
 632         if (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED &&
 633             quicksearch->search_string &&
 634             searched_header && strcasestr(searched_header, quicksearch->search_string) != NULL)
 635                 result = TRUE;
 636         else if ((quicksearch->matcher_list != NULL) &&
 637                  matcherlist_match(quicksearch->matcher_list, msginfo))
 638                 result = TRUE;
 639
 640         quicksearch->matching = FALSE;
 641         if (quicksearch->deferred_free) {
 642                 prepare_matcher(quicksearch);
 643         }
 644
 645         return result;
 646 }
 647
 648 /* allow Mutt-like patterns in quick search */
 649 gchar *expand_search_string(const gchar *search_string)
 650 {
 651         int i = 0;
 652         gchar term_char, save_char;
 653         gchar *cmd_start, *cmd_end;
 654         GString *matcherstr;
 655         gchar *returnstr = NULL;
 656         gchar *copy_str;
 657         gboolean casesens, dontmatch;
 658         /* list of allowed pattern abbreviations */
 659         struct {
 660                 gchar           *abbreviated;   /* abbreviation */
 661                 gchar           *command;       /* actual matcher command */
 662                 gint            numparams;      /* number of params for cmd */
 663                 gboolean        qualifier;      /* do we append regexpcase */
 664                 gboolean        quotes;         /* do we need quotes */
 665         }
 666         cmds[] = {
 667                 { "a",  "all",                          0,      FALSE,  FALSE },
 668                 { "ag", "age_greater",                  1,      FALSE,  FALSE },
 669                 { "al", "age_lower",                    1,      FALSE,  FALSE },
 670                 { "b",  "body_part",                    1,      TRUE,   TRUE  },
 671                 { "B",  "message",                      1,      TRUE,   TRUE  },
 672                 { "c",  "cc",                           1,      TRUE,   TRUE  },
 673                 { "C",  "to_or_cc",                     1,      TRUE,   TRUE  },
 674                 { "D",  "deleted",                      0,      FALSE,  FALSE },
 675                 { "e",  "header \"Sender\"",            1,      TRUE,   TRUE  },
 676                 { "E",  "execute",                      1,      FALSE,  TRUE  },
 677                 { "f",  "from",                         1,      TRUE,   TRUE  },
 678                 { "F",  "forwarded",                    0,      FALSE,  FALSE },
 679                 { "h",  "headers_part",                 1,      TRUE,   TRUE  },
 680                 { "i",  "header \"Message-ID\"",        1,      TRUE,   TRUE  },
 681                 { "I",  "inreplyto",                    1,      TRUE,   TRUE  },
 682                 { "L",  "locked",                       0,      FALSE,  FALSE },
 683                 { "n",  "newsgroups",                   1,      TRUE,   TRUE  },
 684                 { "N",  "new",                          0,      FALSE,  FALSE },
 685                 { "O",  "~new",                         0,      FALSE,  FALSE },
 686                 { "r",  "replied",                      0,      FALSE,  FALSE },
 687                 { "R",  "~unread",                      0,      FALSE,  FALSE },
 688                 { "s",  "subject",                      1,      TRUE,   TRUE  },
 689                 { "se", "score_equal",                  1,      FALSE,  FALSE },
 690                 { "sg", "score_greater",                1,      FALSE,  FALSE },
 691                 { "sl", "score_lower",                  1,      FALSE,  FALSE },
 692                 { "Se", "size_equal",                   1,      FALSE,  FALSE },
 693                 { "Sg", "size_greater",                 1,      FALSE,  FALSE },
 694                 { "Ss", "size_smaller",                 1,      FALSE,  FALSE },
 695                 { "t",  "to",                           1,      TRUE,   TRUE  },
 696                 { "T",  "marked",                       0,      FALSE,  FALSE },
 697                 { "U",  "unread",                       0,      FALSE,  FALSE },
 698                 { "x",  "header \"References\"",        1,      TRUE,   TRUE  },
 699                 { "X",  "test",                         1,      FALSE,  FALSE },
 700                 { "y",  "header \"X-Label\"",           1,      TRUE,   TRUE  },
 701                 { "&",  "&",                            0,      FALSE,  FALSE },
 702                 { "|",  "|",                            0,      FALSE,  FALSE },
 703                 { "p",  "partial",                      0,      FALSE,  FALSE },
 704                 { NULL, NULL,                           0,      FALSE,  FALSE }
 705         };
 706
 707         if (search_string == NULL)
 708                 return NULL;
 709
 710         copy_str = g_strdup(search_string);
 711
 712         matcherstr = g_string_sized_new(16);
 713         cmd_start = copy_str;
 714         while (cmd_start && *cmd_start) {
 715                 /* skip all white spaces */
 716                 while (*cmd_start && isspace((guchar)*cmd_start))
 717                         cmd_start++;
 718                 cmd_end = cmd_start;
 719
 720                 /* extract a command */
 721                 while (*cmd_end && !isspace((guchar)*cmd_end))
 722                         cmd_end++;
 723
 724                 /* save character */
 725                 save_char = *cmd_end;
 726                 *cmd_end = '\0';
 727
 728                 dontmatch = FALSE;
 729                 casesens = FALSE;
 730
 731                 /* ~ and ! mean logical NOT */
 732                 if (*cmd_start == '~' || *cmd_start == '!')
 733                 {
 734                         dontmatch = TRUE;
 735                         cmd_start++;
 736                 }
 737                 /* % means case sensitive match */
 738                 if (*cmd_start == '%')
 739                 {
 740                         casesens = TRUE;
 741                         cmd_start++;
 742                 }
 743
 744                 /* find matching abbreviation */
 745                 for (i = 0; cmds[i].command; i++) {
 746                         if (!strcmp(cmd_start, cmds[i].abbreviated)) {
 747                                 /* restore character */
 748                                 *cmd_end = save_char;
 749
 750                                 /* copy command */
 751                                 if (matcherstr->len > 0) {
 752                                         g_string_append(matcherstr, " ");
 753                                 }
 754                                 if (dontmatch)
 755                                         g_string_append(matcherstr, "~");
 756                                 g_string_append(matcherstr, cmds[i].command);
 757                                 g_string_append(matcherstr, " ");
 758
 759                                 /* stop if no params required */
 760                                 if (cmds[i].numparams == 0)
 761                                         break;
 762
 763                                 /* extract a parameter, allow quotes */
 764                                 while (*cmd_end && isspace((guchar)*cmd_end))
 765                                         cmd_end++;
 766
 767                                 cmd_start = cmd_end;
 768                                 if (*cmd_start == '"') {
 769                                         term_char = '"';
 770                                         cmd_end++;
 771                                 }
 772                                 else
 773                                         term_char = ' ';
 774
 775                                 /* extract actual parameter */
 776                                 while ((*cmd_end) && (*cmd_end != term_char))
 777                                         cmd_end++;
 778
 779                                 if (*cmd_end == '"')
 780                                         cmd_end++;
 781
 782                                 save_char = *cmd_end;
 783                                 *cmd_end = '\0';
 784
 785                                 if (cmds[i].qualifier) {
 786                                         if (casesens)
 787                                                 g_string_append(matcherstr, "regexp ");
 788                                         else
 789                                                 g_string_append(matcherstr, "regexpcase ");
 790                                 }
 791
 792                                 /* do we need to add quotes ? */
 793                                 if (cmds[i].quotes && term_char != '"')
 794                                         g_string_append(matcherstr, "\"");
 795
 796                                 /* copy actual parameter */
 797                                 g_string_append(matcherstr, cmd_start);
 798
 799                                 /* do we need to add quotes ? */
 800                                 if (cmds[i].quotes && term_char != '"')
 801                                         g_string_append(matcherstr, "\"");
 802
 803                                 /* restore original character */
 804                                 *cmd_end = save_char;
 805
 806                                 break;
 807                         }
 808                 }
 809
 810                 if (*cmd_end)
 811                         cmd_end++;
 812                 cmd_start = cmd_end;
 813         }
 814
 815         g_free(copy_str);
 816
 817         /* return search string if no match is found to allow
 818            all available filtering expressions in quicksearch */
 819         if (matcherstr->len > 0) returnstr = matcherstr->str;
 820         else returnstr = g_strdup(search_string);
 821
 822         g_string_free(matcherstr, FALSE);
 823         return returnstr;
 824 }
 825
 826 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run)
 827 {
 828         quicksearch->running = run;
 829 }
 830
 831 gboolean quicksearch_is_running(QuickSearch *quicksearch)
 832 {
 833         return quicksearch->running;
 834 }
 835
 836 void quicksearch_pass_key(QuickSearch *quicksearch, guint val, GdkModifierType mod)
 837 {
 838         GtkEntry *entry = GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry);
 839         gint curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
 840         char *str = g_strdup(gtk_entry_get_text(entry));
 841         char *begin = str;
 842         char *end = NULL;
 843         char *new = NULL;
 844
 845         if (mod == GDK_SHIFT_MASK)
 846                 val = toupper(val);
 847
 848         if (curpos < strlen(str)-1) {
 849                 end = g_strdup(str+curpos);
 850                 *(str+curpos) = '\0';
 851                 new = g_strdup_printf("%s%c%s", begin, val, end);
 852                 gtk_entry_set_text(entry, new);
 853                 g_free(end);
 854         } else {
 855                 new = g_strdup_printf("%s%c", begin, val);
 856                 gtk_entry_set_text(entry, new);
 857         }
 858         g_free(str);
 859         g_free(new);
 860         gtk_editable_set_position(GTK_EDITABLE(entry), curpos+1);
 861
 862 }
 863
 864 static gboolean quicksearch_match_subfolder(QuickSearch *quicksearch,
 865                                  FolderItem *src)
 866 {
 867         GSList *msglist = folder_item_get_msg_list(src);
 868         GSList *cur;
 869         gboolean result = FALSE;
 870         gint num = 0, total = src->total_msgs;
 871         statusbar_print_all(_("Searching in %s... \n"),
 872                 src->path ? src->path : "(null)");
 873         for (cur = msglist; cur != NULL; cur = cur->next) {
 874                 MsgInfo *msg = (MsgInfo *)cur->data;
 875                 statusbar_progress_all(num++,total, 50);
 876                 if (quicksearch_match(quicksearch, msg)) {
 877                         procmsg_msginfo_free(msg);
 878                         result = TRUE;
 879                         break;
 880                 }
 881                 procmsg_msginfo_free(msg);
 882                 GTK_EVENTS_FLUSH();
 883                 if (!quicksearch_is_active(quicksearch))
 884                         break;
 885         }
 886         statusbar_progress_all(0,0,0);
 887         statusbar_pop_all();
 888
 889         g_slist_free(msglist);
 890         return result;
 891 }
 892
 893 void quicksearch_search_subfolders(QuickSearch *quicksearch,
 894                                    FolderView *folderview,
 895                                    FolderItem *folder_item)
 896 {
 897         FolderItem *cur = NULL;
 898         GNode *node = folder_item->node->children;
 899
 900         if (!prefs_common.summary_quicksearch_recurse)
 901                 return;
 902
 903         for (; node != NULL; node = node->next) {
 904                 cur = FOLDER_ITEM(node->data);
 905                 if (quicksearch_match_subfolder(quicksearch, cur)) {
 906                         folderview_update_search_icon(cur, TRUE);
 907                 } else {
 908                         folderview_update_search_icon(cur, FALSE);
 909                 }
 910                 if (cur->node->children)
 911                         quicksearch_search_subfolders(quicksearch,
 912                                                       folderview,
 913                                                       cur);
 914         }
 915         quicksearch->root_folder_item = folder_item;
 916         if (!quicksearch_is_active(quicksearch))
 917                 quicksearch_reset_cur_folder_item(quicksearch);
 918 }
 919
 920 static void quicksearch_reset_folder_items(QuickSearch *quicksearch,
 921                                     FolderItem *folder_item)
 922 {
 923         FolderItem *cur = NULL;
 924         GNode *node = (folder_item && folder_item->node) ?
 925                         folder_item->node->children : NULL;
 926
 927         for (; node != NULL; node = node->next) {
 928                 cur = FOLDER_ITEM(node->data);
 929                 folderview_update_search_icon(cur, FALSE);
 930                 if (cur->node->children)
 931                         quicksearch_reset_folder_items(quicksearch,
 932                                                        cur);
 933         }
 934 }
 935
 936 void quicksearch_reset_cur_folder_item(QuickSearch *quicksearch)
 937 {
 938         if (quicksearch->root_folder_item)
 939                 quicksearch_reset_folder_items(quicksearch,
 940                                                quicksearch->root_folder_item);
 941
 942         quicksearch->root_folder_item = NULL;
 943 }