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
  42 struct _QuickSearch
  43 {
  44         GtkWidget                       *hbox_search;
  45         GtkWidget                       *search_type;
  46         GtkWidget                       *search_type_opt;
  47         GtkWidget                       *search_string_entry;
  48         GtkWidget                       *search_condition_expression;
  49         GtkWidget                       *search_description;
  50
  51         gboolean                         active;
  52         gchar                           *search_string;
  53         MatcherList                     *matcher_list;
  54
  55         QuickSearchExecuteCallback       callback;
  56         gpointer                         callback_data;
  57         gboolean                         running;
  58         gboolean                         has_focus;
  59         FolderItem                      *root_folder_item;
  60 };
  61
  62 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run);
  63 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active);
  64 static void quicksearch_reset_folder_items(QuickSearch *quicksearch, FolderItem *folder_item);
  65
  66 static void prepare_matcher(QuickSearch *quicksearch)
  67 {
  68         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
  69
  70         if (quicksearch->matcher_list != NULL) {
  71                 matcherlist_free(quicksearch->matcher_list);
  72                 quicksearch->matcher_list = NULL;
  73         }
  74
  75         if (search_string == NULL || search_string[0] == '\0') {
  76                 quicksearch_set_active(quicksearch, FALSE);
  77                 return;
  78         }
  79
  80         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
  81                 char *newstr = NULL;
  82
  83                 newstr = expand_search_string(search_string);
  84                 if (newstr && newstr[0] != '\0') {
  85                         quicksearch->matcher_list = matcher_parser_get_cond(newstr);
  86                         g_free(newstr);
  87                 } else {
  88                         quicksearch->matcher_list = NULL;
  89                         quicksearch_set_active(quicksearch, FALSE);
  90
  91                         return;
  92                 }
  93         } else {
  94                 if (quicksearch->search_string != NULL)
  95                         g_free(quicksearch->search_string);
  96                 quicksearch->search_string = g_strdup(search_string);
  97         }
  98
  99         quicksearch_set_active(quicksearch, TRUE);
 100 }
 101
 102 static void update_extended_buttons (QuickSearch *quicksearch)
 103 {
 104         GtkWidget *expr_btn = quicksearch->search_condition_expression;
 105         GtkWidget *ext_btn = quicksearch->search_description;
 106
 107         g_return_if_fail(expr_btn != NULL);
 108         g_return_if_fail(ext_btn != NULL);
 109
 110         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
 111                 gtk_widget_show(expr_btn);
 112                 gtk_widget_show(ext_btn);
 113         } else {
 114                 gtk_widget_hide(expr_btn);
 115                 gtk_widget_hide(ext_btn);
 116         }
 117 }
 118
 119 static gboolean searchbar_focus_evt(GtkWidget *widget, GdkEventFocus *event,
 120                                   QuickSearch *quicksearch)
 121 {
 122         quicksearch->has_focus = (event && event->in);
 123         return FALSE;
 124 }
 125
 126 gboolean quicksearch_has_focus(QuickSearch *quicksearch)
 127 {
 128         return quicksearch->has_focus;
 129 }
 130
 131 static void searchbar_run(QuickSearch *quicksearch)
 132 {
 133         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
 134
 135         if (search_string && strlen(search_string) != 0) {
 136                 prefs_common.summary_quicksearch_history =
 137                         add_history(prefs_common.summary_quicksearch_history,
 138                                         search_string);
 139                 gtk_combo_set_popdown_strings(GTK_COMBO(quicksearch->search_string_entry),
 140                         prefs_common.summary_quicksearch_history);
 141         }
 142
 143         prepare_matcher(quicksearch);
 144
 145         quicksearch_set_running(quicksearch, TRUE);
 146         if (quicksearch->callback != NULL)
 147                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 148         quicksearch_set_running(quicksearch, FALSE);
 149 }
 150
 151 static gboolean searchbar_pressed(GtkWidget *widget, GdkEventKey *event,
 152                                   QuickSearch *quicksearch)
 153 {
 154         if (event != NULL && event->keyval == GDK_Escape) {
 155                 quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 156                 return TRUE;
 157         }
 158
 159         if (event != NULL && event->keyval == GDK_Return) {
 160                 /* add expression to history list and exec quicksearch */
 161                 searchbar_run(quicksearch);
 162
 163                 g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
 164                 return TRUE;
 165         }
 166
 167         return FALSE;
 168 }
 169
 170 static gboolean searchtype_changed(GtkMenuItem *widget, gpointer data)
 171 {
 172         QuickSearch *quicksearch = (QuickSearch *)data;
 173
 174         prefs_common.summary_quicksearch_type = GPOINTER_TO_INT(g_object_get_data(
 175                                    G_OBJECT(GTK_MENU_ITEM(gtk_menu_get_active(
 176                                    GTK_MENU(quicksearch->search_type)))), MENU_VAL_ID));
 177
 178         /* Show extended search description button, only when Extended is selected */
 179         update_extended_buttons(quicksearch);
 180
 181         prepare_matcher(quicksearch);
 182
 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         return TRUE;
 188 }
 189
 190 static gboolean searchtype_recursive_changed(GtkMenuItem *widget, gpointer data)
 191 {
 192         QuickSearch *quicksearch = (QuickSearch *)data;
 193         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 194
 195         prefs_common.summary_quicksearch_recurse = checked;
 196
 197         /* reselect the search type */
 198         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 199                                     prefs_common.summary_quicksearch_type);
 200
 201         prepare_matcher(quicksearch);
 202
 203         quicksearch_set_running(quicksearch, TRUE);
 204         if (quicksearch->callback != NULL)
 205                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 206         quicksearch_set_running(quicksearch, FALSE);
 207         return TRUE;
 208 }
 209
 210 static gboolean searchtype_sticky_changed(GtkMenuItem *widget, gpointer data)
 211 {
 212         QuickSearch *quicksearch = (QuickSearch *)data;
 213         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 214
 215         prefs_common.summary_quicksearch_sticky = checked;
 216
 217         /* reselect the search type */
 218         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 219                                     prefs_common.summary_quicksearch_type);
 220
 221         return TRUE;
 222 }
 223
 224 /*
 225  * Strings describing how to use Extended Search
 226  *
 227  * When adding new lines, remember to put 2 strings for each line
 228  */
 229 static gchar *search_descr_strings[] = {
 230         "a",     N_("all messages"),
 231         "ag #",  N_("messages whose age is greater than #"),
 232         "al #",  N_("messages whose age is less than #"),
 233         "b S",   N_("messages which contain S in the message body"),
 234         "B S",   N_("messages which contain S in the whole message"),
 235         "c S",   N_("messages carbon-copied to S"),
 236         "C S",   N_("message is either to: or cc: to S"),
 237         "D",     N_("deleted messages"), /** how I can filter deleted messages **/
 238         "e S",   N_("messages which contain S in the Sender field"),
 239         "E S",   N_("true if execute \"S\" succeeds"),
 240         "f S",   N_("messages originating from user S"),
 241         "F",     N_("forwarded messages"),
 242         "h S",   N_("messages which contain header S"),
 243         "i S",   N_("messages which contain S in Message-ID header"),
 244         "I S",   N_("messages which contain S in inreplyto header"),
 245         "L",     N_("locked messages"),
 246         "n S",   N_("messages which are in newsgroup S"),
 247         "N",     N_("new messages"),
 248         "O",     N_("old messages"),
 249         "p",     N_("incomplete messages (not entirely downloaded)"),
 250         "r",     N_("messages which have been replied to"),
 251         "R",     N_("read messages"),
 252         "s S",   N_("messages which contain S in subject"),
 253         "se #",  N_("messages whose score is equal to #"),
 254         "sg #",  N_("messages whose score is greater than #"),
 255         "sl #",  N_("messages whose score is lower than #"),
 256         "Se #",  N_("messages whose size is equal to #"),
 257         "Sg #",  N_("messages whose size is greater than #"),
 258         "Ss #",  N_("messages whose size is smaller than #"),
 259         "t S",   N_("messages which have been sent to S"),
 260         "T",     N_("marked messages"),
 261         "U",     N_("unread messages"),
 262         "x S",   N_("messages which contain S in References header"),
 263         "X cmd", N_("messages returning 0 when passed to command"),
 264         "y S",   N_("messages which contain S in X-Label header"),
 265         "",      "" ,
 266         "&",     N_("logical AND operator"),
 267         "|",     N_("logical OR operator"),
 268         "! or ~",       N_("logical NOT operator"),
 269         "%",     N_("case sensitive search"),
 270         "",      "" ,
 271         " ",     N_("all filtering expressions are allowed"),
 272         NULL,    NULL
 273 };
 274
 275 static DescriptionWindow search_descr = {
 276         NULL,
 277         NULL,
 278         2,
 279         N_("Extended Search symbols"),
 280         search_descr_strings
 281 };
 282
 283 static void search_description_cb(GtkWidget *widget)
 284 {
 285         description_window_create(&search_descr);
 286 };
 287
 288 static gboolean clear_search_cb(GtkMenuItem *widget, gpointer data)
 289 {
 290         QuickSearch *quicksearch = (QuickSearch *)data;
 291
 292         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 293
 294         return TRUE;
 295 };
 296
 297 static void search_condition_expr_done(MatcherList * matchers)
 298 {
 299         gchar *str;
 300
 301         g_return_if_fail(
 302                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL);
 303
 304         if (matchers == NULL)
 305                 return;
 306
 307         str = matcherlist_to_string(matchers);
 308
 309         if (str != NULL) {
 310                 quicksearch_set(mainwindow_get_mainwindow()->summaryview->quicksearch,
 311                                 prefs_common.summary_quicksearch_type, str);
 312                 g_free(str);
 313
 314                 /* add expression to history list and exec quicksearch */
 315                 searchbar_run(mainwindow_get_mainwindow()->summaryview->quicksearch);
 316         }
 317 }
 318
 319 static gboolean search_condition_expr(GtkMenuItem *widget, gpointer data)
 320 {
 321         const gchar * cond_str;
 322         MatcherList * matchers = NULL;
 323
 324         g_return_val_if_fail(
 325                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL,
 326                         FALSE);
 327
 328         /* re-use it the current quicksearch value if it's a condition expression,
 329            otherwise ignore it silently */
 330         cond_str = gtk_entry_get_text(
 331                         GTK_ENTRY(GTK_COMBO(mainwindow_get_mainwindow()->summaryview->quicksearch->
 332                         search_string_entry)->entry));
 333         if (*cond_str != '\0') {
 334                 matchers = matcher_parser_get_cond((gchar*)cond_str);
 335         }
 336
 337         prefs_matcher_open(matchers, search_condition_expr_done);
 338
 339         if (matchers != NULL)
 340                 matcherlist_free(matchers);
 341
 342         return TRUE;
 343 };
 344
 345 QuickSearch *quicksearch_new()
 346 {
 347         QuickSearch *quicksearch;
 348
 349         GtkWidget *hbox_search;
 350         GtkWidget *search_type_opt;
 351         GtkWidget *search_type;
 352         GtkWidget *search_string_entry;
 353         GtkWidget *search_hbox;
 354         GtkWidget *search_description;
 355         GtkWidget *clear_search;
 356         GtkWidget *search_condition_expression;
 357         GtkWidget *menuitem;
 358         GtkTooltips *search_cond_expr_tip;
 359
 360         quicksearch = g_new0(QuickSearch, 1);
 361
 362         /* quick search */
 363         hbox_search = gtk_hbox_new(FALSE, 0);
 364
 365         search_type_opt = gtk_option_menu_new();
 366         gtk_widget_show(search_type_opt);
 367         gtk_box_pack_start(GTK_BOX(hbox_search), search_type_opt, FALSE, FALSE, 0);
 368
 369         search_type = gtk_menu_new();
 370         MENUITEM_ADD (search_type, menuitem, _("Subject"), QUICK_SEARCH_SUBJECT);
 371         g_signal_connect(G_OBJECT(menuitem), "activate",
 372                          G_CALLBACK(searchtype_changed),
 373                          quicksearch);
 374         MENUITEM_ADD (search_type, menuitem, _("From"), QUICK_SEARCH_FROM);
 375         g_signal_connect(G_OBJECT(menuitem), "activate",
 376                          G_CALLBACK(searchtype_changed),
 377                          quicksearch);
 378         MENUITEM_ADD (search_type, menuitem, _("To"), QUICK_SEARCH_TO);
 379         g_signal_connect(G_OBJECT(menuitem), "activate",
 380                          G_CALLBACK(searchtype_changed),
 381                          quicksearch);
 382         MENUITEM_ADD (search_type, menuitem, _("Extended"), QUICK_SEARCH_EXTENDED);
 383         g_signal_connect(G_OBJECT(menuitem), "activate",
 384                          G_CALLBACK(searchtype_changed),
 385                          quicksearch);
 386
 387         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), gtk_separator_menu_item_new());
 388
 389         menuitem = gtk_check_menu_item_new_with_label(_("Recursive"));
 390         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 391
 392         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 393                                         prefs_common.summary_quicksearch_recurse);
 394
 395         g_signal_connect(G_OBJECT(menuitem), "activate",
 396                          G_CALLBACK(searchtype_recursive_changed),
 397                          quicksearch);
 398
 399         menuitem = gtk_check_menu_item_new_with_label(_("Sticky"));
 400         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 401
 402         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 403                                         prefs_common.summary_quicksearch_sticky);
 404
 405         g_signal_connect(G_OBJECT(menuitem), "activate",
 406                          G_CALLBACK(searchtype_sticky_changed),
 407                          quicksearch);
 408
 409         gtk_option_menu_set_menu(GTK_OPTION_MENU(search_type_opt), search_type);
 410
 411         gtk_option_menu_set_history(GTK_OPTION_MENU(search_type_opt), prefs_common.summary_quicksearch_type);
 412
 413         gtk_widget_show(search_type);
 414
 415         search_string_entry = gtk_combo_new();
 416         gtk_box_pack_start(GTK_BOX(hbox_search), search_string_entry, FALSE, FALSE, 2);
 417         gtk_combo_set_value_in_list(GTK_COMBO(search_string_entry), FALSE, TRUE);
 418         gtk_combo_set_case_sensitive(GTK_COMBO(search_string_entry), TRUE);
 419         if (prefs_common.summary_quicksearch_history)
 420                 gtk_combo_set_popdown_strings(GTK_COMBO(search_string_entry),
 421                         prefs_common.summary_quicksearch_history);
 422         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(search_string_entry)->entry), "");
 423         gtk_widget_show(search_string_entry);
 424
 425         search_hbox = gtk_hbox_new(FALSE, 5);
 426
 427         clear_search = gtk_button_new_with_label(_(" Clear "));
 428         gtk_box_pack_start(GTK_BOX(search_hbox), clear_search,
 429                            FALSE, FALSE, 0);
 430         g_signal_connect(G_OBJECT(clear_search), "clicked",
 431                          G_CALLBACK(clear_search_cb), quicksearch);
 432         gtk_widget_show(clear_search);
 433
 434         search_condition_expression = gtk_button_new_with_label (_(" ... "));
 435         gtk_box_pack_start(GTK_BOX(search_hbox), search_condition_expression,
 436                            FALSE, FALSE, 0);
 437         g_signal_connect(G_OBJECT (search_condition_expression), "clicked",
 438                          G_CALLBACK(search_condition_expr),
 439                          quicksearch);
 440         search_cond_expr_tip = gtk_tooltips_new();
 441         gtk_tooltips_set_tip(GTK_TOOLTIPS(search_cond_expr_tip),
 442                              search_condition_expression,
 443                              _("Quick search: edit filtering condition"), NULL);
 444         gtk_widget_show(search_condition_expression);
 445
 446         search_description = gtk_button_new_with_label(_(" Extended Symbols... "));
 447         gtk_box_pack_start(GTK_BOX(search_hbox), search_description,
 448                            FALSE, FALSE, 0);
 449         g_signal_connect(G_OBJECT(search_description), "clicked",
 450                          G_CALLBACK(search_description_cb), NULL);
 451         gtk_widget_show(search_description);
 452
 453         gtk_box_pack_start(GTK_BOX(hbox_search), search_hbox, FALSE, FALSE, 2);
 454         gtk_widget_show(search_hbox);
 455
 456         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 457                            "key_press_event",
 458                            G_CALLBACK(searchbar_pressed),
 459                            quicksearch);
 460         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 461                          "focus_in_event",
 462                          G_CALLBACK(searchbar_focus_evt),
 463                          quicksearch);
 464         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 465                          "focus_out_event",
 466                          G_CALLBACK(searchbar_focus_evt),
 467                          quicksearch);
 468
 469         quicksearch->hbox_search = hbox_search;
 470         quicksearch->search_type = search_type;
 471         quicksearch->search_type_opt = search_type_opt;
 472         quicksearch->search_string_entry = search_string_entry;
 473         quicksearch->search_condition_expression = search_condition_expression;
 474         quicksearch->search_description = search_description;
 475         quicksearch->matcher_list = NULL;
 476         quicksearch->active = FALSE;
 477         quicksearch->running = FALSE;
 478
 479         update_extended_buttons(quicksearch);
 480
 481         return quicksearch;
 482 }
 483
 484 GtkWidget *quicksearch_get_widget(QuickSearch *quicksearch)
 485 {
 486         return quicksearch->hbox_search;
 487 }
 488
 489 void quicksearch_show(QuickSearch *quicksearch)
 490 {
 491         prepare_matcher(quicksearch);
 492         gtk_widget_show(quicksearch->hbox_search);
 493         update_extended_buttons(quicksearch);
 494         gtk_widget_grab_focus(
 495                 GTK_WIDGET(GTK_COMBO(quicksearch->search_string_entry)->entry));
 496 }
 497
 498 void quicksearch_hide(QuickSearch *quicksearch)
 499 {
 500         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 501         quicksearch_set_active(quicksearch, FALSE);
 502         gtk_widget_hide(quicksearch->hbox_search);
 503 }
 504
 505 void quicksearch_set(QuickSearch *quicksearch, QuickSearchType type,
 506                      const gchar *matchstring)
 507 {
 508         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 509                                     type);
 510         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry),
 511                            matchstring);
 512         prefs_common.summary_quicksearch_type = type;
 513
 514         prepare_matcher(quicksearch);
 515
 516         quicksearch_set_running(quicksearch, TRUE);
 517         if (quicksearch->callback != NULL)
 518                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 519         quicksearch_set_running(quicksearch, FALSE);
 520 }
 521
 522 gboolean quicksearch_is_active(QuickSearch *quicksearch)
 523 {
 524         return quicksearch->active;
 525 }
 526
 527 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active)
 528 {
 529         quicksearch->active = active;
 530         if (!active) {
 531                 quicksearch_reset_cur_folder_item(quicksearch);
 532         }
 533 }
 534
 535 void quicksearch_set_execute_callback(QuickSearch *quicksearch,
 536                                       QuickSearchExecuteCallback callback,
 537                                       gpointer data)
 538 {
 539         quicksearch->callback = callback;
 540         quicksearch->callback_data = data;
 541 }
 542
 543 gboolean quicksearch_match(QuickSearch *quicksearch, MsgInfo *msginfo)
 544 {
 545         gchar *searched_header = NULL;
 546
 547         if (!quicksearch->active)
 548                 return TRUE;
 549
 550         switch (prefs_common.summary_quicksearch_type) {
 551         case QUICK_SEARCH_SUBJECT:
 552                 searched_header = msginfo->subject;
 553                 break;
 554         case QUICK_SEARCH_FROM:
 555                 searched_header = msginfo->from;
 556                 break;
 557         case QUICK_SEARCH_TO:
 558                 searched_header = msginfo->to;
 559                 break;
 560         case QUICK_SEARCH_EXTENDED:
 561                 break;
 562         default:
 563                 debug_print("unknown search type (%d)\n", prefs_common.summary_quicksearch_type);
 564                 break;
 565         }
 566
 567         if (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED &&
 568             quicksearch->search_string &&
 569             searched_header && strcasestr(searched_header, quicksearch->search_string) != NULL)
 570                 return TRUE;
 571         else if ((quicksearch->matcher_list != NULL) &&
 572                  matcherlist_match(quicksearch->matcher_list, msginfo))
 573                 return TRUE;
 574
 575         return FALSE;
 576 }
 577
 578 /* allow Mutt-like patterns in quick search */
 579 gchar *expand_search_string(const gchar *search_string)
 580 {
 581         int i = 0;
 582         gchar term_char, save_char;
 583         gchar *cmd_start, *cmd_end;
 584         GString *matcherstr;
 585         gchar *returnstr = NULL;
 586         gchar *copy_str;
 587         gboolean casesens, dontmatch;
 588         /* list of allowed pattern abbreviations */
 589         struct {
 590                 gchar           *abbreviated;   /* abbreviation */
 591                 gchar           *command;       /* actual matcher command */
 592                 gint            numparams;      /* number of params for cmd */
 593                 gboolean        qualifier;      /* do we append regexpcase */
 594                 gboolean        quotes;         /* do we need quotes */
 595         }
 596         cmds[] = {
 597                 { "a",  "all",                          0,      FALSE,  FALSE },
 598                 { "ag", "age_greater",                  1,      FALSE,  FALSE },
 599                 { "al", "age_lower",                    1,      FALSE,  FALSE },
 600                 { "b",  "body_part",                    1,      TRUE,   TRUE  },
 601                 { "B",  "message",                      1,      TRUE,   TRUE  },
 602                 { "c",  "cc",                           1,      TRUE,   TRUE  },
 603                 { "C",  "to_or_cc",                     1,      TRUE,   TRUE  },
 604                 { "D",  "deleted",                      0,      FALSE,  FALSE },
 605                 { "e",  "header \"Sender\"",            1,      TRUE,   TRUE  },
 606                 { "E",  "execute",                      1,      FALSE,  TRUE  },
 607                 { "f",  "from",                         1,      TRUE,   TRUE  },
 608                 { "F",  "forwarded",                    0,      FALSE,  FALSE },
 609                 { "h",  "headers_part",                 1,      TRUE,   TRUE  },
 610                 { "i",  "header \"Message-ID\"",        1,      TRUE,   TRUE  },
 611                 { "I",  "inreplyto",                    1,      TRUE,   TRUE  },
 612                 { "L",  "locked",                       0,      FALSE,  FALSE },
 613                 { "n",  "newsgroups",                   1,      TRUE,   TRUE  },
 614                 { "N",  "new",                          0,      FALSE,  FALSE },
 615                 { "O",  "~new",                         0,      FALSE,  FALSE },
 616                 { "r",  "replied",                      0,      FALSE,  FALSE },
 617                 { "R",  "~unread",                      0,      FALSE,  FALSE },
 618                 { "s",  "subject",                      1,      TRUE,   TRUE  },
 619                 { "se", "score_equal",                  1,      FALSE,  FALSE },
 620                 { "sg", "score_greater",                1,      FALSE,  FALSE },
 621                 { "sl", "score_lower",                  1,      FALSE,  FALSE },
 622                 { "Se", "size_equal",                   1,      FALSE,  FALSE },
 623                 { "Sg", "size_greater",                 1,      FALSE,  FALSE },
 624                 { "Ss", "size_smaller",                 1,      FALSE,  FALSE },
 625                 { "t",  "to",                           1,      TRUE,   TRUE  },
 626                 { "T",  "marked",                       0,      FALSE,  FALSE },
 627                 { "U",  "unread",                       0,      FALSE,  FALSE },
 628                 { "x",  "header \"References\"",        1,      TRUE,   TRUE  },
 629                 { "X",  "test",                         1,      FALSE,  FALSE },
 630                 { "y",  "header \"X-Label\"",           1,      TRUE,   TRUE  },
 631                 { "&",  "&",                            0,      FALSE,  FALSE },
 632                 { "|",  "|",                            0,      FALSE,  FALSE },
 633                 { "p",  "partial",                      0,      FALSE,  FALSE },
 634                 { NULL, NULL,                           0,      FALSE,  FALSE }
 635         };
 636
 637         if (search_string == NULL)
 638                 return NULL;
 639
 640         copy_str = g_strdup(search_string);
 641
 642         matcherstr = g_string_sized_new(16);
 643         cmd_start = copy_str;
 644         while (cmd_start && *cmd_start) {
 645                 /* skip all white spaces */
 646                 while (*cmd_start && isspace((guchar)*cmd_start))
 647                         cmd_start++;
 648                 cmd_end = cmd_start;
 649
 650                 /* extract a command */
 651                 while (*cmd_end && !isspace((guchar)*cmd_end))
 652                         cmd_end++;
 653
 654                 /* save character */
 655                 save_char = *cmd_end;
 656                 *cmd_end = '\0';
 657
 658                 dontmatch = FALSE;
 659                 casesens = FALSE;
 660
 661                 /* ~ and ! mean logical NOT */
 662                 if (*cmd_start == '~' || *cmd_start == '!')
 663                 {
 664                         dontmatch = TRUE;
 665                         cmd_start++;
 666                 }
 667                 /* % means case sensitive match */
 668                 if (*cmd_start == '%')
 669                 {
 670                         casesens = TRUE;
 671                         cmd_start++;
 672                 }
 673
 674                 /* find matching abbreviation */
 675                 for (i = 0; cmds[i].command; i++) {
 676                         if (!strcmp(cmd_start, cmds[i].abbreviated)) {
 677                                 /* restore character */
 678                                 *cmd_end = save_char;
 679
 680                                 /* copy command */
 681                                 if (matcherstr->len > 0) {
 682                                         g_string_append(matcherstr, " ");
 683                                 }
 684                                 if (dontmatch)
 685                                         g_string_append(matcherstr, "~");
 686                                 g_string_append(matcherstr, cmds[i].command);
 687                                 g_string_append(matcherstr, " ");
 688
 689                                 /* stop if no params required */
 690                                 if (cmds[i].numparams == 0)
 691                                         break;
 692
 693                                 /* extract a parameter, allow quotes */
 694                                 while (*cmd_end && isspace((guchar)*cmd_end))
 695                                         cmd_end++;
 696
 697                                 cmd_start = cmd_end;
 698                                 if (*cmd_start == '"') {
 699                                         term_char = '"';
 700                                         cmd_end++;
 701                                 }
 702                                 else
 703                                         term_char = ' ';
 704
 705                                 /* extract actual parameter */
 706                                 while ((*cmd_end) && (*cmd_end != term_char))
 707                                         cmd_end++;
 708
 709                                 if (*cmd_end == '"')
 710                                         cmd_end++;
 711
 712                                 save_char = *cmd_end;
 713                                 *cmd_end = '\0';
 714
 715                                 if (cmds[i].qualifier) {
 716                                         if (casesens)
 717                                                 g_string_append(matcherstr, "regexp ");
 718                                         else
 719                                                 g_string_append(matcherstr, "regexpcase ");
 720                                 }
 721
 722                                 /* do we need to add quotes ? */
 723                                 if (cmds[i].quotes && term_char != '"')
 724                                         g_string_append(matcherstr, "\"");
 725
 726                                 /* copy actual parameter */
 727                                 g_string_append(matcherstr, cmd_start);
 728
 729                                 /* do we need to add quotes ? */
 730                                 if (cmds[i].quotes && term_char != '"')
 731                                         g_string_append(matcherstr, "\"");
 732
 733                                 /* restore original character */
 734                                 *cmd_end = save_char;
 735
 736                                 break;
 737                         }
 738                 }
 739
 740                 if (*cmd_end)
 741                         cmd_end++;
 742                 cmd_start = cmd_end;
 743         }
 744
 745         g_free(copy_str);
 746
 747         /* return search string if no match is found to allow
 748            all available filtering expressions in quicksearch */
 749         if (matcherstr->len > 0) returnstr = matcherstr->str;
 750         else returnstr = g_strdup(search_string);
 751
 752         g_string_free(matcherstr, FALSE);
 753         return returnstr;
 754 }
 755
 756 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run)
 757 {
 758         quicksearch->running = run;
 759 }
 760
 761 gboolean quicksearch_is_running(QuickSearch *quicksearch)
 762 {
 763         return quicksearch->running;
 764 }
 765
 766 void quicksearch_pass_key(QuickSearch *quicksearch, guint val, GdkModifierType mod)
 767 {
 768         GtkEntry *entry = GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry);
 769         gint curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
 770         char *str = g_strdup(gtk_entry_get_text(entry));
 771         char *begin = str;
 772         char *end = NULL;
 773         char *new = NULL;
 774
 775         if (mod == GDK_SHIFT_MASK)
 776                 val = toupper(val);
 777
 778         if (curpos < strlen(str)-1) {
 779                 end = g_strdup(str+curpos);
 780                 *(str+curpos) = '\0';
 781                 new = g_strdup_printf("%s%c%s", begin, val, end);
 782                 gtk_entry_set_text(entry, new);
 783                 g_free(end);
 784         } else {
 785                 new = g_strdup_printf("%s%c", begin, val);
 786                 gtk_entry_set_text(entry, new);
 787         }
 788         g_free(str);
 789         g_free(new);
 790         gtk_editable_set_position(GTK_EDITABLE(entry), curpos+1);
 791
 792 }
 793
 794 static gboolean quicksearch_match_subfolder(QuickSearch *quicksearch,
 795                                  FolderItem *src)
 796 {
 797         GSList *msglist = folder_item_get_msg_list(src);
 798         GSList *cur;
 799         gboolean result = FALSE;
 800
 801         for (cur = msglist; cur != NULL; cur = cur->next) {
 802                 MsgInfo *msg = (MsgInfo *)cur->data;
 803                 if (quicksearch_match(quicksearch, msg)) {
 804                         procmsg_msginfo_free(msg);
 805                         result = TRUE;
 806                         break;
 807                 }
 808                 procmsg_msginfo_free(msg);
 809         }
 810
 811         g_slist_free(msglist);
 812         return result;
 813 }
 814
 815 void quicksearch_search_subfolders(QuickSearch *quicksearch,
 816                                    FolderView *folderview,
 817                                    FolderItem *folder_item)
 818 {
 819         FolderItem *cur = NULL;
 820         GNode *node = folder_item->node->children;
 821
 822         if (!prefs_common.summary_quicksearch_recurse)
 823                 return;
 824
 825         for (; node != NULL; node = node->next) {
 826                 cur = FOLDER_ITEM(node->data);
 827                 if (quicksearch_match_subfolder(quicksearch, cur)) {
 828                         folderview_update_search_icon(cur, TRUE);
 829                 } else {
 830                         folderview_update_search_icon(cur, FALSE);
 831                 }
 832                 if (cur->node->children)
 833                         quicksearch_search_subfolders(quicksearch,
 834                                                       folderview,
 835                                                       cur);
 836         }
 837         quicksearch->root_folder_item = folder_item;
 838 }
 839
 840 static void quicksearch_reset_folder_items(QuickSearch *quicksearch,
 841                                     FolderItem *folder_item)
 842 {
 843         FolderItem *cur = NULL;
 844         GNode *node = (folder_item && folder_item->node) ?
 845                         folder_item->node->children : NULL;
 846
 847         for (; node != NULL; node = node->next) {
 848                 cur = FOLDER_ITEM(node->data);
 849                 folderview_update_search_icon(cur, FALSE);
 850                 if (cur->node->children)
 851                         quicksearch_reset_folder_items(quicksearch,
 852                                                        cur);
 853         }
 854 }
 855
 856 void quicksearch_reset_cur_folder_item(QuickSearch *quicksearch)
 857 {
 858         if (quicksearch->root_folder_item)
 859                 quicksearch_reset_folder_items(quicksearch,
 860                                                quicksearch->root_folder_item);
 861
 862         quicksearch->root_folder_item = NULL;
 863 }