src/gtk/quicksearch.c

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