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         2,
 256         N_("Extended Search symbols"),
 257         search_descr_strings
 258 };
 259
 260 static void search_description_cb(GtkWidget *widget)
 261 {
 262         description_window_create(&search_descr);
 263 };
 264
 265 static gboolean clear_search_cb(GtkMenuItem *widget, gpointer data)
 266 {
 267         QuickSearch *quicksearch = (QuickSearch *)data;
 268
 269         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 270
 271         return TRUE;
 272 };
 273
 274 QuickSearch *quicksearch_new()
 275 {
 276         QuickSearch *quicksearch;
 277
 278         GtkWidget *hbox_search;
 279         GtkWidget *search_type_opt;
 280         GtkWidget *search_type;
 281         GtkWidget *search_string_entry;
 282         GtkWidget *search_hbbox;
 283         GtkWidget *search_description;
 284         GtkWidget *clear_search;
 285         GtkWidget *menuitem;
 286
 287         quicksearch = g_new0(QuickSearch, 1);
 288
 289         /* quick search */
 290         hbox_search = gtk_hbox_new(FALSE, 0);
 291
 292         search_type_opt = gtk_option_menu_new();
 293         gtk_widget_show(search_type_opt);
 294         gtk_box_pack_start(GTK_BOX(hbox_search), search_type_opt, FALSE, FALSE, 0);
 295
 296         search_type = gtk_menu_new();
 297         MENUITEM_ADD (search_type, menuitem, _("Subject"), QUICK_SEARCH_SUBJECT);
 298         g_signal_connect(G_OBJECT(menuitem), "activate",
 299                          G_CALLBACK(searchtype_changed),
 300                          quicksearch);
 301         MENUITEM_ADD (search_type, menuitem, _("From"), QUICK_SEARCH_FROM);
 302         g_signal_connect(G_OBJECT(menuitem), "activate",
 303                          G_CALLBACK(searchtype_changed),
 304                          quicksearch);
 305         MENUITEM_ADD (search_type, menuitem, _("To"), QUICK_SEARCH_TO);
 306         g_signal_connect(G_OBJECT(menuitem), "activate",
 307                          G_CALLBACK(searchtype_changed),
 308                          quicksearch);
 309         MENUITEM_ADD (search_type, menuitem, _("Extended"), QUICK_SEARCH_EXTENDED);
 310         g_signal_connect(G_OBJECT(menuitem), "activate",
 311                          G_CALLBACK(searchtype_changed),
 312                          quicksearch);
 313
 314         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), gtk_separator_menu_item_new());
 315
 316         menuitem = gtk_check_menu_item_new_with_label(_("Recursive"));
 317         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 318
 319         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 320                                         prefs_common.summary_quicksearch_recurse);
 321
 322         g_signal_connect(G_OBJECT(menuitem), "activate",
 323                          G_CALLBACK(searchtype_recursive_changed),
 324                          quicksearch);
 325
 326         gtk_option_menu_set_menu(GTK_OPTION_MENU(search_type_opt), search_type);
 327
 328         gtk_option_menu_set_history(GTK_OPTION_MENU(search_type_opt), prefs_common.summary_quicksearch_type);
 329
 330         gtk_widget_show(search_type);
 331
 332         search_string_entry = gtk_combo_new();
 333         gtk_box_pack_start(GTK_BOX(hbox_search), search_string_entry, FALSE, FALSE, 2);
 334         gtk_combo_set_value_in_list(GTK_COMBO(search_string_entry), FALSE, TRUE);
 335         gtk_combo_set_case_sensitive(GTK_COMBO(search_string_entry), TRUE);
 336         if (prefs_common.summary_quicksearch_history)
 337                 gtk_combo_set_popdown_strings(GTK_COMBO(search_string_entry),
 338                         prefs_common.summary_quicksearch_history);
 339         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(search_string_entry)->entry), "");
 340         gtk_widget_show(search_string_entry);
 341
 342         search_hbbox = gtk_hbutton_box_new();
 343         gtk_button_box_set_layout(GTK_BUTTON_BOX(search_hbbox),
 344                                   GTK_BUTTONBOX_START);
 345
 346         gtk_box_set_spacing(GTK_BOX(search_hbbox), 5);
 347
 348         if (prefs_common.summary_quicksearch_sticky) {
 349                 clear_search = gtk_button_new_with_label(_("Clear"));
 350                 gtk_box_pack_start(GTK_BOX(search_hbbox), clear_search,
 351                                    FALSE, FALSE, 0);
 352                 gtk_widget_set_size_request(clear_search, 120, -1);
 353                 g_signal_connect(G_OBJECT(clear_search), "clicked",
 354                                  G_CALLBACK(clear_search_cb), quicksearch);
 355                 gtk_widget_show(clear_search);
 356         }
 357
 358         search_description = gtk_button_new_with_label(_("Extended Symbols"));
 359         gtk_box_pack_start(GTK_BOX(search_hbbox), search_description,
 360                            TRUE, TRUE, 0);
 361         gtk_widget_show(search_description);
 362
 363         g_signal_connect(G_OBJECT(search_description), "clicked",
 364                          G_CALLBACK(search_description_cb), NULL);
 365
 366         gtk_box_pack_start(GTK_BOX(hbox_search), search_hbbox, FALSE, FALSE, 2);
 367         gtk_widget_show(search_hbbox);
 368         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED)
 369                 gtk_widget_show(search_description);
 370         else
 371                 gtk_widget_hide(search_description);
 372
 373         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 374                            "key_press_event",
 375                            G_CALLBACK(searchbar_pressed),
 376                            quicksearch);
 377
 378
 379         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 380                          "focus_in_event",
 381                          G_CALLBACK(searchbar_focus_evt),
 382                          quicksearch);
 383
 384         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 385                          "focus_out_event",
 386                          G_CALLBACK(searchbar_focus_evt),
 387                          quicksearch);
 388
 389
 390         quicksearch->hbox_search = hbox_search;
 391         quicksearch->search_type = search_type;
 392         quicksearch->search_type_opt = search_type_opt;
 393         quicksearch->search_string_entry = search_string_entry;
 394         quicksearch->search_description = search_description;
 395         quicksearch->matcher_list = NULL;
 396         quicksearch->active = FALSE;
 397         quicksearch->running = FALSE;
 398
 399         update_extended_button(quicksearch);
 400
 401         return quicksearch;
 402 }
 403
 404 GtkWidget *quicksearch_get_widget(QuickSearch *quicksearch)
 405 {
 406         return quicksearch->hbox_search;
 407 }
 408
 409 void quicksearch_show(QuickSearch *quicksearch)
 410 {
 411         prepare_matcher(quicksearch);
 412         gtk_widget_show(quicksearch->hbox_search);
 413         update_extended_button(quicksearch);
 414         gtk_widget_grab_focus(
 415                 GTK_WIDGET(GTK_COMBO(quicksearch->search_string_entry)->entry));
 416 }
 417
 418 void quicksearch_hide(QuickSearch *quicksearch)
 419 {
 420         quicksearch_set_active(quicksearch, FALSE);
 421         gtk_widget_hide(quicksearch->hbox_search);
 422 }
 423
 424 void quicksearch_set(QuickSearch *quicksearch, QuickSearchType type,
 425                      const gchar *matchstring)
 426 {
 427         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 428                                     type);
 429         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry),
 430                            matchstring);
 431         prefs_common.summary_quicksearch_type = type;
 432
 433         prepare_matcher(quicksearch);
 434
 435         quicksearch_set_running(quicksearch, TRUE);
 436         if (quicksearch->callback != NULL)
 437                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 438         quicksearch_set_running(quicksearch, FALSE);
 439 }
 440
 441 gboolean quicksearch_is_active(QuickSearch *quicksearch)
 442 {
 443         return quicksearch->active;
 444 }
 445
 446 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active)
 447 {
 448         quicksearch->active = active;
 449         if (!active) {
 450                 quicksearch_reset_cur_folder_item(quicksearch);
 451         }
 452 }
 453
 454 void quicksearch_set_execute_callback(QuickSearch *quicksearch,
 455                                       QuickSearchExecuteCallback callback,
 456                                       gpointer data)
 457 {
 458         quicksearch->callback = callback;
 459         quicksearch->callback_data = data;
 460 }
 461
 462 gboolean quicksearch_match(QuickSearch *quicksearch, MsgInfo *msginfo)
 463 {
 464         gchar *searched_header = NULL;
 465
 466         if (!quicksearch->active)
 467                 return TRUE;
 468
 469         switch (prefs_common.summary_quicksearch_type) {
 470         case QUICK_SEARCH_SUBJECT:
 471                 searched_header = msginfo->subject;
 472                 break;
 473         case QUICK_SEARCH_FROM:
 474                 searched_header = msginfo->from;
 475                 break;
 476         case QUICK_SEARCH_TO:
 477                 searched_header = msginfo->to;
 478                 break;
 479         case QUICK_SEARCH_EXTENDED:
 480                 break;
 481         default:
 482                 debug_print("unknown search type (%d)\n", prefs_common.summary_quicksearch_type);
 483                 break;
 484         }
 485
 486         if (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED &&
 487             quicksearch->search_string &&
 488             searched_header && strcasestr(searched_header, quicksearch->search_string) != NULL)
 489                 return TRUE;
 490         else if ((quicksearch->matcher_list != NULL) &&
 491                  matcherlist_match(quicksearch->matcher_list, msginfo))
 492                 return TRUE;
 493
 494         return FALSE;
 495 }
 496
 497 /* allow Mutt-like patterns in quick search */
 498 gchar *expand_search_string(const gchar *search_string)
 499 {
 500         int i = 0;
 501         gchar term_char, save_char;
 502         gchar *cmd_start, *cmd_end;
 503         GString *matcherstr;
 504         gchar *returnstr = NULL;
 505         gchar *copy_str;
 506         gboolean casesens, dontmatch;
 507         /* list of allowed pattern abbreviations */
 508         struct {
 509                 gchar           *abbreviated;   /* abbreviation */
 510                 gchar           *command;       /* actual matcher command */
 511                 gint            numparams;      /* number of params for cmd */
 512                 gboolean        qualifier;      /* do we append regexpcase */
 513                 gboolean        quotes;         /* do we need quotes */
 514         }
 515         cmds[] = {
 516                 { "a",  "all",                          0,      FALSE,  FALSE },
 517                 { "ag", "age_greater",                  1,      FALSE,  FALSE },
 518                 { "al", "age_lower",                    1,      FALSE,  FALSE },
 519                 { "b",  "body_part",                    1,      TRUE,   TRUE  },
 520                 { "B",  "message",                      1,      TRUE,   TRUE  },
 521                 { "c",  "cc",                           1,      TRUE,   TRUE  },
 522                 { "C",  "to_or_cc",                     1,      TRUE,   TRUE  },
 523                 { "D",  "deleted",                      0,      FALSE,  FALSE },
 524                 { "e",  "header \"Sender\"",            1,      TRUE,   TRUE  },
 525                 { "E",  "execute",                      1,      FALSE,  TRUE  },
 526                 { "f",  "from",                         1,      TRUE,   TRUE  },
 527                 { "F",  "forwarded",                    0,      FALSE,  FALSE },
 528                 { "h",  "headers_part",                 1,      TRUE,   TRUE  },
 529                 { "i",  "header \"Message-ID\"",        1,      TRUE,   TRUE  },
 530                 { "I",  "inreplyto",                    1,      TRUE,   TRUE  },
 531                 { "L",  "locked",                       0,      FALSE,  FALSE },
 532                 { "n",  "newsgroups",                   1,      TRUE,   TRUE  },
 533                 { "N",  "new",                          0,      FALSE,  FALSE },
 534                 { "O",  "~new",                         0,      FALSE,  FALSE },
 535                 { "r",  "replied",                      0,      FALSE,  FALSE },
 536                 { "R",  "~unread",                      0,      FALSE,  FALSE },
 537                 { "s",  "subject",                      1,      TRUE,   TRUE  },
 538                 { "se", "score_equal",                  1,      FALSE,  FALSE },
 539                 { "sg", "score_greater",                1,      FALSE,  FALSE },
 540                 { "sl", "score_lower",                  1,      FALSE,  FALSE },
 541                 { "Se", "size_equal",                   1,      FALSE,  FALSE },
 542                 { "Sg", "size_greater",                 1,      FALSE,  FALSE },
 543                 { "Ss", "size_smaller",                 1,      FALSE,  FALSE },
 544                 { "t",  "to",                           1,      TRUE,   TRUE  },
 545                 { "T",  "marked",                       0,      FALSE,  FALSE },
 546                 { "U",  "unread",                       0,      FALSE,  FALSE },
 547                 { "x",  "header \"References\"",        1,      TRUE,   TRUE  },
 548                 { "X",  "test",                         1,      FALSE,  FALSE },
 549                 { "y",  "header \"X-Label\"",           1,      TRUE,   TRUE  },
 550                 { "&",  "&",                            0,      FALSE,  FALSE },
 551                 { "|",  "|",                            0,      FALSE,  FALSE },
 552                 { "p",  "partial",                      0,      FALSE,  FALSE },
 553                 { NULL, NULL,                           0,      FALSE,  FALSE }
 554         };
 555
 556         if (search_string == NULL)
 557                 return NULL;
 558
 559         copy_str = g_strdup(search_string);
 560
 561         matcherstr = g_string_sized_new(16);
 562         cmd_start = copy_str;
 563         while (cmd_start && *cmd_start) {
 564                 /* skip all white spaces */
 565                 while (*cmd_start && isspace((guchar)*cmd_start))
 566                         cmd_start++;
 567                 cmd_end = cmd_start;
 568
 569                 /* extract a command */
 570                 while (*cmd_end && !isspace((guchar)*cmd_end))
 571                         cmd_end++;
 572
 573                 /* save character */
 574                 save_char = *cmd_end;
 575                 *cmd_end = '\0';
 576
 577                 dontmatch = FALSE;
 578                 casesens = FALSE;
 579
 580                 /* ~ and ! mean logical NOT */
 581                 if (*cmd_start == '~' || *cmd_start == '!')
 582                 {
 583                         dontmatch = TRUE;
 584                         cmd_start++;
 585                 }
 586                 /* % means case sensitive match */
 587                 if (*cmd_start == '%')
 588                 {
 589                         casesens = TRUE;
 590                         cmd_start++;
 591                 }
 592
 593                 /* find matching abbreviation */
 594                 for (i = 0; cmds[i].command; i++) {
 595                         if (!strcmp(cmd_start, cmds[i].abbreviated)) {
 596                                 /* restore character */
 597                                 *cmd_end = save_char;
 598
 599                                 /* copy command */
 600                                 if (matcherstr->len > 0) {
 601                                         g_string_append(matcherstr, " ");
 602                                 }
 603                                 if (dontmatch)
 604                                         g_string_append(matcherstr, "~");
 605                                 g_string_append(matcherstr, cmds[i].command);
 606                                 g_string_append(matcherstr, " ");
 607
 608                                 /* stop if no params required */
 609                                 if (cmds[i].numparams == 0)
 610                                         break;
 611
 612                                 /* extract a parameter, allow quotes */
 613                                 while (*cmd_end && isspace((guchar)*cmd_end))
 614                                         cmd_end++;
 615
 616                                 cmd_start = cmd_end;
 617                                 if (*cmd_start == '"') {
 618                                         term_char = '"';
 619                                         cmd_end++;
 620                                 }
 621                                 else
 622                                         term_char = ' ';
 623
 624                                 /* extract actual parameter */
 625                                 while ((*cmd_end) && (*cmd_end != term_char))
 626                                         cmd_end++;
 627
 628                                 if (*cmd_end == '"')
 629                                         cmd_end++;
 630
 631                                 save_char = *cmd_end;
 632                                 *cmd_end = '\0';
 633
 634                                 if (cmds[i].qualifier) {
 635                                         if (casesens)
 636                                                 g_string_append(matcherstr, "regexp ");
 637                                         else
 638                                                 g_string_append(matcherstr, "regexpcase ");
 639                                 }
 640
 641                                 /* do we need to add quotes ? */
 642                                 if (cmds[i].quotes && term_char != '"')
 643                                         g_string_append(matcherstr, "\"");
 644
 645                                 /* copy actual parameter */
 646                                 g_string_append(matcherstr, cmd_start);
 647
 648                                 /* do we need to add quotes ? */
 649                                 if (cmds[i].quotes && term_char != '"')
 650                                         g_string_append(matcherstr, "\"");
 651
 652                                 /* restore original character */
 653                                 *cmd_end = save_char;
 654
 655                                 break;
 656                         }
 657                 }
 658
 659                 if (*cmd_end)
 660                         cmd_end++;
 661                 cmd_start = cmd_end;
 662         }
 663
 664         g_free(copy_str);
 665
 666         /* return search string if no match is found to allow
 667            all available filtering expressions in quicksearch */
 668         if (matcherstr->len > 0) returnstr = matcherstr->str;
 669         else returnstr = g_strdup(search_string);
 670
 671         g_string_free(matcherstr, FALSE);
 672         return returnstr;
 673 }
 674
 675 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run)
 676 {
 677         quicksearch->running = run;
 678 }
 679
 680 gboolean quicksearch_is_running(QuickSearch *quicksearch)
 681 {
 682         return quicksearch->running;
 683 }
 684
 685 void quicksearch_pass_key(QuickSearch *quicksearch, guint val, GdkModifierType mod)
 686 {
 687         GtkEntry *entry = GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry);
 688         gint curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
 689         char *str = g_strdup(gtk_entry_get_text(entry));
 690         char *begin = str;
 691         char *end = NULL;
 692         char *new = NULL;
 693
 694         if (mod == GDK_SHIFT_MASK)
 695                 val = toupper(val);
 696
 697         if (curpos < strlen(str)-1) {
 698                 end = g_strdup(str+curpos);
 699                 *(str+curpos) = '\0';
 700                 new = g_strdup_printf("%s%c%s", begin, val, end);
 701                 gtk_entry_set_text(entry, new);
 702                 g_free(end);
 703         } else {
 704                 new = g_strdup_printf("%s%c", begin, val);
 705                 gtk_entry_set_text(entry, new);
 706         }
 707         g_free(str);
 708         g_free(new);
 709         gtk_editable_set_position(GTK_EDITABLE(entry), curpos+1);
 710
 711 }
 712
 713 static gboolean quicksearch_match_subfolder(QuickSearch *quicksearch,
 714                                  FolderItem *src)
 715 {
 716         GSList *msglist = folder_item_get_msg_list(src);
 717         GSList *cur;
 718         gboolean result = FALSE;
 719
 720         for (cur = msglist; cur != NULL; cur = cur->next) {
 721                 MsgInfo *msg = (MsgInfo *)cur->data;
 722                 if (quicksearch_match(quicksearch, msg)) {
 723                         procmsg_msginfo_free(msg);
 724                         result = TRUE;
 725                         break;
 726                 }
 727                 procmsg_msginfo_free(msg);
 728         }
 729
 730         g_slist_free(msglist);
 731         return result;
 732 }
 733
 734 void quicksearch_search_subfolders(QuickSearch *quicksearch,
 735                                    FolderView *folderview,
 736                                    FolderItem *folder_item)
 737 {
 738         FolderItem *cur = NULL;
 739         GNode *node = folder_item->node->children;
 740
 741         if (!prefs_common.summary_quicksearch_recurse)
 742                 return;
 743
 744         for (; node != NULL; node = node->next) {
 745                 cur = FOLDER_ITEM(node->data);
 746                 if (quicksearch_match_subfolder(quicksearch, cur)) {
 747                         folderview_update_search_icon(cur, TRUE);
 748                 } else {
 749                         folderview_update_search_icon(cur, FALSE);
 750                 }
 751                 if (cur->node->children)
 752                         quicksearch_search_subfolders(quicksearch,
 753                                                       folderview,
 754                                                       cur);
 755         }
 756         quicksearch->root_folder_item = folder_item;
 757 }
 758
 759 static void quicksearch_reset_folder_items(QuickSearch *quicksearch,
 760                                     FolderItem *folder_item)
 761 {
 762         FolderItem *cur = NULL;
 763         GNode *node = (folder_item && folder_item->node) ?
 764                         folder_item->node->children : NULL;
 765
 766         for (; node != NULL; node = node->next) {
 767                 cur = FOLDER_ITEM(node->data);
 768                 folderview_update_search_icon(cur, FALSE);
 769                 if (cur->node->children)
 770                         quicksearch_reset_folder_items(quicksearch,
 771                                                        cur);
 772         }
 773 }
 774
 775 void quicksearch_reset_cur_folder_item(QuickSearch *quicksearch)
 776 {
 777         if (quicksearch->root_folder_item)
 778                 quicksearch_reset_folder_items(quicksearch,
 779                                                quicksearch->root_folder_item);
 780
 781         quicksearch->root_folder_item = NULL;
 782 }