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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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
  41 struct _QuickSearch
  42 {
  43         GtkWidget                       *hbox_search;
  44         GtkWidget                       *search_type;
  45         GtkWidget                       *search_type_opt;
  46         GtkWidget                       *search_string_entry;
  47         GtkWidget                       *search_description;
  48
  49         gboolean                         active;
  50         gchar                           *search_string;
  51         MatcherList                     *matcher_list;
  52
  53         QuickSearchExecuteCallback       callback;
  54         gpointer                         callback_data;
  55         gboolean                         running;
  56         gboolean                         has_focus;
  57         FolderItem                      *root_folder_item;
  58 };
  59
  60 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run);
  61 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active);
  62 static void quicksearch_reset_folder_items(QuickSearch *quicksearch, FolderItem *folder_item);
  63
  64 static void prepare_matcher(QuickSearch *quicksearch)
  65 {
  66         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
  67
  68         if (quicksearch->matcher_list != NULL) {
  69                 matcherlist_free(quicksearch->matcher_list);
  70                 quicksearch->matcher_list = NULL;
  71         }
  72
  73         if (search_string == NULL || search_string[0] == '\0') {
  74                 quicksearch_set_active(quicksearch, FALSE);
  75                 return;
  76         }
  77
  78         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
  79                 char *newstr = NULL;
  80
  81                 newstr = expand_search_string(search_string);
  82                 if (newstr && newstr[0] != '\0') {
  83                         quicksearch->matcher_list = matcher_parser_get_cond(newstr);
  84                         g_free(newstr);
  85                 } else {
  86                         quicksearch->matcher_list = NULL;
  87                         quicksearch_set_active(quicksearch, FALSE);
  88
  89                         return;
  90                 }
  91         } else {
  92                 if (quicksearch->search_string != NULL)
  93                         g_free(quicksearch->search_string);
  94                 quicksearch->search_string = g_strdup(search_string);
  95         }
  96
  97         quicksearch_set_active(quicksearch, TRUE);
  98 }
  99
 100 static void update_extended_button (QuickSearch *quicksearch)
 101 {
 102         GtkWidget *btn = quicksearch->search_description;
 103
 104         g_return_if_fail(btn != NULL);
 105
 106         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
 107                 gtk_button_set_label(GTK_BUTTON(btn), _("Extended symbols"));
 108                 gtk_widget_show(btn);
 109         } else {
 110                 gtk_widget_hide(btn);
 111         }
 112
 113 }
 114
 115 static gboolean searchbar_focus_evt(GtkWidget *widget, GdkEventFocus *event,
 116                                   QuickSearch *quicksearch)
 117 {
 118         quicksearch->has_focus = (event && event->in);
 119         return FALSE;
 120 }
 121
 122 gboolean quicksearch_has_focus(QuickSearch *quicksearch)
 123 {
 124         return quicksearch->has_focus;
 125 }
 126
 127 static gboolean searchbar_pressed(GtkWidget *widget, GdkEventKey *event,
 128                                   QuickSearch *quicksearch)
 129 {
 130         if (event != NULL && event->keyval == GDK_Escape) {
 131                 quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 132                 gtk_widget_grab_focus(GTK_WIDGET(GTK_COMBO(quicksearch->search_string_entry)->entry));
 133                 return TRUE;
 134         }
 135
 136         if (event != NULL && event->keyval == GDK_Return) {
 137                 const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
 138
 139                 if (search_string && strlen(search_string) != 0) {
 140                         prefs_common.summary_quicksearch_history =
 141                                 add_history(prefs_common.summary_quicksearch_history,
 142                                             search_string);
 143                         gtk_combo_set_popdown_strings(GTK_COMBO(quicksearch->search_string_entry),
 144                                 prefs_common.summary_quicksearch_history);
 145                 }
 146
 147                 prepare_matcher(quicksearch);
 148
 149                 quicksearch_set_running(quicksearch, TRUE);
 150                 if (quicksearch->callback != NULL)
 151                         quicksearch->callback(quicksearch, quicksearch->callback_data);
 152                 quicksearch_set_running(quicksearch, FALSE);
 153                 g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
 154                 gtk_widget_grab_focus(GTK_WIDGET(GTK_COMBO(
 155                         quicksearch->search_string_entry)->entry));
 156                 return TRUE;
 157         }
 158
 159         return FALSE;
 160 }
 161
 162 static gboolean searchtype_changed(GtkMenuItem *widget, gpointer data)
 163 {
 164         QuickSearch *quicksearch = (QuickSearch *)data;
 165
 166         prefs_common.summary_quicksearch_type = GPOINTER_TO_INT(g_object_get_data(
 167                                    G_OBJECT(GTK_MENU_ITEM(gtk_menu_get_active(
 168                                    GTK_MENU(quicksearch->search_type)))), MENU_VAL_ID));
 169
 170         /* Show extended search description button, only when Extended is selected */
 171         update_extended_button(quicksearch);
 172
 173         prepare_matcher(quicksearch);
 174
 175         quicksearch_set_running(quicksearch, TRUE);
 176         if (quicksearch->callback != NULL)
 177                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 178         quicksearch_set_running(quicksearch, FALSE);
 179         return TRUE;
 180 }
 181
 182 static gboolean searchtype_recursive_changed(GtkMenuItem *widget, gpointer data)
 183 {
 184         QuickSearch *quicksearch = (QuickSearch *)data;
 185         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 186
 187         prefs_common.summary_quicksearch_recurse = checked;
 188
 189         /* reselect the search type */
 190         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 191                                     prefs_common.summary_quicksearch_type);
 192
 193         prepare_matcher(quicksearch);
 194
 195         quicksearch_set_running(quicksearch, TRUE);
 196         if (quicksearch->callback != NULL)
 197                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 198         quicksearch_set_running(quicksearch, FALSE);
 199         return TRUE;
 200 }
 201
 202 /*
 203  * Strings describing how to use Extended Search
 204  *
 205  * When adding new lines, remember to put 2 strings for each line
 206  */
 207 static gchar *search_descr_strings[] = {
 208         "a",     N_("all messages"),
 209         "ag #",  N_("messages whose age is greater than #"),
 210         "al #",  N_("messages whose age is less than #"),
 211         "b S",   N_("messages which contain S in the message body"),
 212         "B S",   N_("messages which contain S in the whole message"),
 213         "c S",   N_("messages carbon-copied to S"),
 214         "C S",   N_("message is either to: or cc: to S"),
 215         "D",     N_("deleted messages"), /** how I can filter deleted messages **/
 216         "e S",   N_("messages which contain S in the Sender field"),
 217         "E S",   N_("true if execute \"S\" succeeds"),
 218         "f S",   N_("messages originating from user S"),
 219         "F",     N_("forwarded messages"),
 220         "h S",   N_("messages which contain header S"),
 221         "i S",   N_("messages which contain S in Message-ID header"),
 222         "I S",   N_("messages which contain S in inreplyto header"),
 223         "L",     N_("locked messages"),
 224         "n S",   N_("messages which are in newsgroup S"),
 225         "N",     N_("new messages"),
 226         "O",     N_("old messages"),
 227         "p",     N_("incomplete messages (not entirely downloaded)"),
 228         "r",     N_("messages which have been replied to"),
 229         "R",     N_("read messages"),
 230         "s S",   N_("messages which contain S in subject"),
 231         "se #",  N_("messages whose score is equal to #"),
 232         "sg #",  N_("messages whose score is greater than #"),
 233         "sl #",  N_("messages whose score is lower than #"),
 234         "Se #",  N_("messages whose size is equal to #"),
 235         "Sg #",  N_("messages whose size is greater than #"),
 236         "Ss #",  N_("messages whose size is smaller than #"),
 237         "t S",   N_("messages which have been sent to S"),
 238         "T",     N_("marked messages"),
 239         "U",     N_("unread messages"),
 240         "x S",   N_("messages which contain S in References header"),
 241         "X cmd", N_("messages returning 0 when passed to command"),
 242         "y S",   N_("messages which contain S in X-Label header"),
 243         "",      "" ,
 244         "&",     N_("logical AND operator"),
 245         "|",     N_("logical OR operator"),
 246         "! or ~",       N_("logical NOT operator"),
 247         "%",     N_("case sensitive search"),
 248         "",      "" ,
 249         " ",     N_("all filtering expressions are allowed"),
 250         NULL,    NULL
 251 };
 252
 253 static DescriptionWindow search_descr = {
 254         NULL,
 255         NULL,
 256         2,
 257         N_("Extended Search symbols"),
 258         search_descr_strings
 259 };
 260
 261 static void search_description_cb(GtkWidget *widget)
 262 {
 263         description_window_create(&search_descr);
 264 };
 265
 266 static gboolean clear_search_cb(GtkMenuItem *widget, gpointer data)
 267 {
 268         QuickSearch *quicksearch = (QuickSearch *)data;
 269
 270         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 271
 272         return TRUE;
 273 };
 274
 275 QuickSearch *quicksearch_new()
 276 {
 277         QuickSearch *quicksearch;
 278
 279         GtkWidget *hbox_search;
 280         GtkWidget *search_type_opt;
 281         GtkWidget *search_type;
 282         GtkWidget *search_string_entry;
 283         GtkWidget *search_hbbox;
 284         GtkWidget *search_description;
 285         GtkWidget *clear_search;
 286         GtkWidget *menuitem;
 287
 288         quicksearch = g_new0(QuickSearch, 1);
 289
 290         /* quick search */
 291         hbox_search = gtk_hbox_new(FALSE, 0);
 292
 293         search_type_opt = gtk_option_menu_new();
 294         gtk_widget_show(search_type_opt);
 295         gtk_box_pack_start(GTK_BOX(hbox_search), search_type_opt, FALSE, FALSE, 0);
 296
 297         search_type = gtk_menu_new();
 298         MENUITEM_ADD (search_type, menuitem, _("Subject"), QUICK_SEARCH_SUBJECT);
 299         g_signal_connect(G_OBJECT(menuitem), "activate",
 300                          G_CALLBACK(searchtype_changed),
 301                          quicksearch);
 302         MENUITEM_ADD (search_type, menuitem, _("From"), QUICK_SEARCH_FROM);
 303         g_signal_connect(G_OBJECT(menuitem), "activate",
 304                          G_CALLBACK(searchtype_changed),
 305                          quicksearch);
 306         MENUITEM_ADD (search_type, menuitem, _("To"), QUICK_SEARCH_TO);
 307         g_signal_connect(G_OBJECT(menuitem), "activate",
 308                          G_CALLBACK(searchtype_changed),
 309                          quicksearch);
 310         MENUITEM_ADD (search_type, menuitem, _("Extended"), QUICK_SEARCH_EXTENDED);
 311         g_signal_connect(G_OBJECT(menuitem), "activate",
 312                          G_CALLBACK(searchtype_changed),
 313                          quicksearch);
 314
 315         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), gtk_separator_menu_item_new());
 316
 317         menuitem = gtk_check_menu_item_new_with_label(_("Recursive"));
 318         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 319
 320         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 321                                         prefs_common.summary_quicksearch_recurse);
 322
 323         g_signal_connect(G_OBJECT(menuitem), "activate",
 324                          G_CALLBACK(searchtype_recursive_changed),
 325                          quicksearch);
 326
 327         gtk_option_menu_set_menu(GTK_OPTION_MENU(search_type_opt), search_type);
 328
 329         gtk_option_menu_set_history(GTK_OPTION_MENU(search_type_opt), prefs_common.summary_quicksearch_type);
 330
 331         gtk_widget_show(search_type);
 332
 333         search_string_entry = gtk_combo_new();
 334         gtk_box_pack_start(GTK_BOX(hbox_search), search_string_entry, FALSE, FALSE, 2);
 335         gtk_combo_set_value_in_list(GTK_COMBO(search_string_entry), FALSE, TRUE);
 336         gtk_combo_set_case_sensitive(GTK_COMBO(search_string_entry), TRUE);
 337         if (prefs_common.summary_quicksearch_history)
 338                 gtk_combo_set_popdown_strings(GTK_COMBO(search_string_entry),
 339                         prefs_common.summary_quicksearch_history);
 340         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(search_string_entry)->entry), "");
 341         gtk_widget_show(search_string_entry);
 342
 343         search_hbbox = gtk_hbutton_box_new();
 344         gtk_button_box_set_layout(GTK_BUTTON_BOX(search_hbbox),
 345                                   GTK_BUTTONBOX_START);
 346
 347         gtk_box_set_spacing(GTK_BOX(search_hbbox), 5);
 348
 349         if (prefs_common.summary_quicksearch_sticky) {
 350                 clear_search = gtk_button_new_with_label(_("Clear"));
 351                 gtk_box_pack_start(GTK_BOX(search_hbbox), clear_search,
 352                                    FALSE, FALSE, 0);
 353                 gtk_widget_set_size_request(clear_search, 120, -1);
 354                 g_signal_connect(G_OBJECT(clear_search), "clicked",
 355                                  G_CALLBACK(clear_search_cb), quicksearch);
 356                 gtk_widget_show(clear_search);
 357         }
 358
 359         search_description = gtk_button_new_with_label(_("Extended Symbols"));
 360         gtk_box_pack_start(GTK_BOX(search_hbbox), search_description,
 361                            TRUE, TRUE, 0);
 362         gtk_widget_show(search_description);
 363
 364         g_signal_connect(G_OBJECT(search_description), "clicked",
 365                          G_CALLBACK(search_description_cb), NULL);
 366
 367         gtk_box_pack_start(GTK_BOX(hbox_search), search_hbbox, FALSE, FALSE, 2);
 368         gtk_widget_show(search_hbbox);
 369         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED)
 370                 gtk_widget_show(search_description);
 371         else
 372                 gtk_widget_hide(search_description);
 373
 374         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 375                            "key_press_event",
 376                            G_CALLBACK(searchbar_pressed),
 377                            quicksearch);
 378
 379
 380         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 381                          "focus_in_event",
 382                          G_CALLBACK(searchbar_focus_evt),
 383                          quicksearch);
 384
 385         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 386                          "focus_out_event",
 387                          G_CALLBACK(searchbar_focus_evt),
 388                          quicksearch);
 389
 390
 391         quicksearch->hbox_search = hbox_search;
 392         quicksearch->search_type = search_type;
 393         quicksearch->search_type_opt = search_type_opt;
 394         quicksearch->search_string_entry = search_string_entry;
 395         quicksearch->search_description = search_description;
 396         quicksearch->matcher_list = NULL;
 397         quicksearch->active = FALSE;
 398         quicksearch->running = FALSE;
 399
 400         update_extended_button(quicksearch);
 401
 402         return quicksearch;
 403 }
 404
 405 GtkWidget *quicksearch_get_widget(QuickSearch *quicksearch)
 406 {
 407         return quicksearch->hbox_search;
 408 }
 409
 410 void quicksearch_show(QuickSearch *quicksearch)
 411 {
 412         prepare_matcher(quicksearch);
 413         gtk_widget_show(quicksearch->hbox_search);
 414         update_extended_button(quicksearch);
 415         gtk_widget_grab_focus(
 416                 GTK_WIDGET(GTK_COMBO(quicksearch->search_string_entry)->entry));
 417 }
 418
 419 void quicksearch_hide(QuickSearch *quicksearch)
 420 {
 421         quicksearch_set_active(quicksearch, FALSE);
 422         gtk_widget_hide(quicksearch->hbox_search);
 423 }
 424
 425 void quicksearch_set(QuickSearch *quicksearch, QuickSearchType type,
 426                      const gchar *matchstring)
 427 {
 428         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 429                                     type);
 430         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry),
 431                            matchstring);
 432         prefs_common.summary_quicksearch_type = type;
 433
 434         prepare_matcher(quicksearch);
 435
 436         quicksearch_set_running(quicksearch, TRUE);
 437         if (quicksearch->callback != NULL)
 438                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 439         quicksearch_set_running(quicksearch, FALSE);
 440 }
 441
 442 gboolean quicksearch_is_active(QuickSearch *quicksearch)
 443 {
 444         return quicksearch->active;
 445 }
 446
 447 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active)
 448 {
 449         quicksearch->active = active;
 450         if (!active) {
 451                 quicksearch_reset_cur_folder_item(quicksearch);
 452         }
 453 }
 454
 455 void quicksearch_set_execute_callback(QuickSearch *quicksearch,
 456                                       QuickSearchExecuteCallback callback,
 457                                       gpointer data)
 458 {
 459         quicksearch->callback = callback;
 460         quicksearch->callback_data = data;
 461 }
 462
 463 gboolean quicksearch_match(QuickSearch *quicksearch, MsgInfo *msginfo)
 464 {
 465         gchar *searched_header = NULL;
 466
 467         if (!quicksearch->active)
 468                 return TRUE;
 469
 470         switch (prefs_common.summary_quicksearch_type) {
 471         case QUICK_SEARCH_SUBJECT:
 472                 searched_header = msginfo->subject;
 473                 break;
 474         case QUICK_SEARCH_FROM:
 475                 searched_header = msginfo->from;
 476                 break;
 477         case QUICK_SEARCH_TO:
 478                 searched_header = msginfo->to;
 479                 break;
 480         case QUICK_SEARCH_EXTENDED:
 481                 break;
 482         default:
 483                 debug_print("unknown search type (%d)\n", prefs_common.summary_quicksearch_type);
 484                 break;
 485         }
 486
 487         if (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED &&
 488             quicksearch->search_string &&
 489             searched_header && strcasestr(searched_header, quicksearch->search_string) != NULL)
 490                 return TRUE;
 491         else if ((quicksearch->matcher_list != NULL) &&
 492                  matcherlist_match(quicksearch->matcher_list, msginfo))
 493                 return TRUE;
 494
 495         return FALSE;
 496 }
 497
 498 /* allow Mutt-like patterns in quick search */
 499 gchar *expand_search_string(const gchar *search_string)
 500 {
 501         int i = 0;
 502         gchar term_char, save_char;
 503         gchar *cmd_start, *cmd_end;
 504         GString *matcherstr;
 505         gchar *returnstr = NULL;
 506         gchar *copy_str;
 507         gboolean casesens, dontmatch;
 508         /* list of allowed pattern abbreviations */
 509         struct {
 510                 gchar           *abbreviated;   /* abbreviation */
 511                 gchar           *command;       /* actual matcher command */
 512                 gint            numparams;      /* number of params for cmd */
 513                 gboolean        qualifier;      /* do we append regexpcase */
 514                 gboolean        quotes;         /* do we need quotes */
 515         }
 516         cmds[] = {
 517                 { "a",  "all",                          0,      FALSE,  FALSE },
 518                 { "ag", "age_greater",                  1,      FALSE,  FALSE },
 519                 { "al", "age_lower",                    1,      FALSE,  FALSE },
 520                 { "b",  "body_part",                    1,      TRUE,   TRUE  },
 521                 { "B",  "message",                      1,      TRUE,   TRUE  },
 522                 { "c",  "cc",                           1,      TRUE,   TRUE  },
 523                 { "C",  "to_or_cc",                     1,      TRUE,   TRUE  },
 524                 { "D",  "deleted",                      0,      FALSE,  FALSE },
 525                 { "e",  "header \"Sender\"",            1,      TRUE,   TRUE  },
 526                 { "E",  "execute",                      1,      FALSE,  TRUE  },
 527                 { "f",  "from",                         1,      TRUE,   TRUE  },
 528                 { "F",  "forwarded",                    0,      FALSE,  FALSE },
 529                 { "h",  "headers_part",                 1,      TRUE,   TRUE  },
 530                 { "i",  "header \"Message-ID\"",        1,      TRUE,   TRUE  },
 531                 { "I",  "inreplyto",                    1,      TRUE,   TRUE  },
 532                 { "L",  "locked",                       0,      FALSE,  FALSE },
 533                 { "n",  "newsgroups",                   1,      TRUE,   TRUE  },
 534                 { "N",  "new",                          0,      FALSE,  FALSE },
 535                 { "O",  "~new",                         0,      FALSE,  FALSE },
 536                 { "r",  "replied",                      0,      FALSE,  FALSE },
 537                 { "R",  "~unread",                      0,      FALSE,  FALSE },
 538                 { "s",  "subject",                      1,      TRUE,   TRUE  },
 539                 { "se", "score_equal",                  1,      FALSE,  FALSE },
 540                 { "sg", "score_greater",                1,      FALSE,  FALSE },
 541                 { "sl", "score_lower",                  1,      FALSE,  FALSE },
 542                 { "Se", "size_equal",                   1,      FALSE,  FALSE },
 543                 { "Sg", "size_greater",                 1,      FALSE,  FALSE },
 544                 { "Ss", "size_smaller",                 1,      FALSE,  FALSE },
 545                 { "t",  "to",                           1,      TRUE,   TRUE  },
 546                 { "T",  "marked",                       0,      FALSE,  FALSE },
 547                 { "U",  "unread",                       0,      FALSE,  FALSE },
 548                 { "x",  "header \"References\"",        1,      TRUE,   TRUE  },
 549                 { "X",  "test",                         1,      FALSE,  FALSE },
 550                 { "y",  "header \"X-Label\"",           1,      TRUE,   TRUE  },
 551                 { "&",  "&",                            0,      FALSE,  FALSE },
 552                 { "|",  "|",                            0,      FALSE,  FALSE },
 553                 { "p",  "partial",                      0,      FALSE,  FALSE },
 554                 { NULL, NULL,                           0,      FALSE,  FALSE }
 555         };
 556
 557         if (search_string == NULL)
 558                 return NULL;
 559
 560         copy_str = g_strdup(search_string);
 561
 562         matcherstr = g_string_sized_new(16);
 563         cmd_start = copy_str;
 564         while (cmd_start && *cmd_start) {
 565                 /* skip all white spaces */
 566                 while (*cmd_start && isspace((guchar)*cmd_start))
 567                         cmd_start++;
 568                 cmd_end = cmd_start;
 569
 570                 /* extract a command */
 571                 while (*cmd_end && !isspace((guchar)*cmd_end))
 572                         cmd_end++;
 573
 574                 /* save character */
 575                 save_char = *cmd_end;
 576                 *cmd_end = '\0';
 577
 578                 dontmatch = FALSE;
 579                 casesens = FALSE;
 580
 581                 /* ~ and ! mean logical NOT */
 582                 if (*cmd_start == '~' || *cmd_start == '!')
 583                 {
 584                         dontmatch = TRUE;
 585                         cmd_start++;
 586                 }
 587                 /* % means case sensitive match */
 588                 if (*cmd_start == '%')
 589                 {
 590                         casesens = TRUE;
 591                         cmd_start++;
 592                 }
 593
 594                 /* find matching abbreviation */
 595                 for (i = 0; cmds[i].command; i++) {
 596                         if (!strcmp(cmd_start, cmds[i].abbreviated)) {
 597                                 /* restore character */
 598                                 *cmd_end = save_char;
 599
 600                                 /* copy command */
 601                                 if (matcherstr->len > 0) {
 602                                         g_string_append(matcherstr, " ");
 603                                 }
 604                                 if (dontmatch)
 605                                         g_string_append(matcherstr, "~");
 606                                 g_string_append(matcherstr, cmds[i].command);
 607                                 g_string_append(matcherstr, " ");
 608
 609                                 /* stop if no params required */
 610                                 if (cmds[i].numparams == 0)
 611                                         break;
 612
 613                                 /* extract a parameter, allow quotes */
 614                                 while (*cmd_end && isspace((guchar)*cmd_end))
 615                                         cmd_end++;
 616
 617                                 cmd_start = cmd_end;
 618                                 if (*cmd_start == '"') {
 619                                         term_char = '"';
 620                                         cmd_end++;
 621                                 }
 622                                 else
 623                                         term_char = ' ';
 624
 625                                 /* extract actual parameter */
 626                                 while ((*cmd_end) && (*cmd_end != term_char))
 627                                         cmd_end++;
 628
 629                                 if (*cmd_end == '"')
 630                                         cmd_end++;
 631
 632                                 save_char = *cmd_end;
 633                                 *cmd_end = '\0';
 634
 635                                 if (cmds[i].qualifier) {
 636                                         if (casesens)
 637                                                 g_string_append(matcherstr, "regexp ");
 638                                         else
 639                                                 g_string_append(matcherstr, "regexpcase ");
 640                                 }
 641
 642                                 /* do we need to add quotes ? */
 643                                 if (cmds[i].quotes && term_char != '"')
 644                                         g_string_append(matcherstr, "\"");
 645
 646                                 /* copy actual parameter */
 647                                 g_string_append(matcherstr, cmd_start);
 648
 649                                 /* do we need to add quotes ? */
 650                                 if (cmds[i].quotes && term_char != '"')
 651                                         g_string_append(matcherstr, "\"");
 652
 653                                 /* restore original character */
 654                                 *cmd_end = save_char;
 655
 656                                 break;
 657                         }
 658                 }
 659
 660                 if (*cmd_end)
 661                         cmd_end++;
 662                 cmd_start = cmd_end;
 663         }
 664
 665         g_free(copy_str);
 666
 667         /* return search string if no match is found to allow
 668            all available filtering expressions in quicksearch */
 669         if (matcherstr->len > 0) returnstr = matcherstr->str;
 670         else returnstr = g_strdup(search_string);
 671
 672         g_string_free(matcherstr, FALSE);
 673         return returnstr;
 674 }
 675
 676 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run)
 677 {
 678         quicksearch->running = run;
 679 }
 680
 681 gboolean quicksearch_is_running(QuickSearch *quicksearch)
 682 {
 683         return quicksearch->running;
 684 }
 685
 686 void quicksearch_pass_key(QuickSearch *quicksearch, guint val, GdkModifierType mod)
 687 {
 688         GtkEntry *entry = GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry);
 689         gint curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
 690         char *str = g_strdup(gtk_entry_get_text(entry));
 691         char *begin = str;
 692         char *end = NULL;
 693         char *new = NULL;
 694
 695         if (mod == GDK_SHIFT_MASK)
 696                 val = toupper(val);
 697
 698         if (curpos < strlen(str)-1) {
 699                 end = g_strdup(str+curpos);
 700                 *(str+curpos) = '\0';
 701                 new = g_strdup_printf("%s%c%s", begin, val, end);
 702                 gtk_entry_set_text(entry, new);
 703                 g_free(end);
 704         } else {
 705                 new = g_strdup_printf("%s%c", begin, val);
 706                 gtk_entry_set_text(entry, new);
 707         }
 708         g_free(str);
 709         g_free(new);
 710         gtk_editable_set_position(GTK_EDITABLE(entry), curpos+1);
 711
 712 }
 713
 714 static gboolean quicksearch_match_subfolder(QuickSearch *quicksearch,
 715                                  FolderItem *src)
 716 {
 717         GSList *msglist = folder_item_get_msg_list(src);
 718         GSList *cur;
 719         gboolean result = FALSE;
 720
 721         for (cur = msglist; cur != NULL; cur = cur->next) {
 722                 MsgInfo *msg = (MsgInfo *)cur->data;
 723                 if (quicksearch_match(quicksearch, msg)) {
 724                         procmsg_msginfo_free(msg);
 725                         result = TRUE;
 726                         break;
 727                 }
 728                 procmsg_msginfo_free(msg);
 729         }
 730
 731         g_slist_free(msglist);
 732         return result;
 733 }
 734
 735 void quicksearch_search_subfolders(QuickSearch *quicksearch,
 736                                    FolderView *folderview,
 737                                    FolderItem *folder_item)
 738 {
 739         FolderItem *cur = NULL;
 740         GNode *node = folder_item->node->children;
 741
 742         if (!prefs_common.summary_quicksearch_recurse)
 743                 return;
 744
 745         for (; node != NULL; node = node->next) {
 746                 cur = FOLDER_ITEM(node->data);
 747                 if (quicksearch_match_subfolder(quicksearch, cur)) {
 748                         folderview_update_search_icon(cur, TRUE);
 749                 } else {
 750                         folderview_update_search_icon(cur, FALSE);
 751                 }
 752                 if (cur->node->children)
 753                         quicksearch_search_subfolders(quicksearch,
 754                                                       folderview,
 755                                                       cur);
 756         }
 757         quicksearch->root_folder_item = folder_item;
 758 }
 759
 760 static void quicksearch_reset_folder_items(QuickSearch *quicksearch,
 761                                     FolderItem *folder_item)
 762 {
 763         FolderItem *cur = NULL;
 764         GNode *node = (folder_item && folder_item->node) ?
 765                         folder_item->node->children : NULL;
 766
 767         for (; node != NULL; node = node->next) {
 768                 cur = FOLDER_ITEM(node->data);
 769                 folderview_update_search_icon(cur, FALSE);
 770                 if (cur->node->children)
 771                         quicksearch_reset_folder_items(quicksearch,
 772                                                        cur);
 773         }
 774 }
 775
 776 void quicksearch_reset_cur_folder_item(QuickSearch *quicksearch)
 777 {
 778         if (quicksearch->root_folder_item)
 779                 quicksearch_reset_folder_items(quicksearch,
 780                                                quicksearch->root_folder_item);
 781
 782         quicksearch->root_folder_item = NULL;
 783 }