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         gboolean                         is_fast;
  66 };
  67
  68 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run);
  69 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active);
  70 static void quicksearch_reset_folder_items(QuickSearch *quicksearch, FolderItem *folder_item);
  71
  72 gboolean quicksearch_is_fast(QuickSearch *quicksearch)
  73 {
  74         return quicksearch->is_fast;
  75 }
  76
  77 static void prepare_matcher(QuickSearch *quicksearch)
  78 {
  79         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
  80
  81         if (search_string == NULL || search_string[0] == '\0') {
  82                 quicksearch_set_active(quicksearch, FALSE);
  83         }
  84
  85         if (quicksearch->matcher_list != NULL) {
  86                 if (quicksearch->matching) {
  87                         quicksearch->deferred_free = TRUE;
  88                         return;
  89                 }
  90                 quicksearch->deferred_free = FALSE;
  91                 matcherlist_free(quicksearch->matcher_list);
  92                 quicksearch->matcher_list = NULL;
  93         }
  94
  95         if (search_string == NULL || search_string[0] == '\0') {
  96                 return;
  97         }
  98
  99         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
 100                 char *newstr = NULL;
 101
 102                 newstr = expand_search_string(search_string);
 103                 if (newstr && newstr[0] != '\0') {
 104                         quicksearch->matcher_list = matcher_parser_get_cond(newstr, &quicksearch->is_fast);
 105                         g_free(newstr);
 106                 } else {
 107                         quicksearch->matcher_list = NULL;
 108                         quicksearch_set_active(quicksearch, FALSE);
 109
 110                         return;
 111                 }
 112         } else {
 113                 g_free(quicksearch->search_string);
 114                 quicksearch->search_string = g_strdup(search_string);
 115         }
 116
 117         quicksearch_set_active(quicksearch, TRUE);
 118 }
 119
 120 static void update_extended_buttons (QuickSearch *quicksearch)
 121 {
 122         GtkWidget *expr_btn = quicksearch->search_condition_expression;
 123         GtkWidget *ext_btn = quicksearch->search_description;
 124
 125         g_return_if_fail(expr_btn != NULL);
 126         g_return_if_fail(ext_btn != NULL);
 127
 128         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
 129                 gtk_widget_show(expr_btn);
 130                 gtk_widget_show(ext_btn);
 131         } else {
 132                 gtk_widget_hide(expr_btn);
 133                 gtk_widget_hide(ext_btn);
 134         }
 135 }
 136
 137 static gboolean searchbar_focus_evt(GtkWidget *widget, GdkEventFocus *event,
 138                                   QuickSearch *quicksearch)
 139 {
 140         quicksearch->has_focus = (event && event->in);
 141         return FALSE;
 142 }
 143
 144 gboolean quicksearch_has_focus(QuickSearch *quicksearch)
 145 {
 146         return quicksearch->has_focus;
 147 }
 148
 149 static void searchbar_run(QuickSearch *quicksearch)
 150 {
 151         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
 152
 153         if (search_string && strlen(search_string) != 0) {
 154                 prefs_common.summary_quicksearch_history =
 155                         add_history(prefs_common.summary_quicksearch_history,
 156                                         search_string);
 157                 gtk_combo_set_popdown_strings(GTK_COMBO(quicksearch->search_string_entry),
 158                         prefs_common.summary_quicksearch_history);
 159         }
 160
 161         prepare_matcher(quicksearch);
 162
 163         quicksearch_set_running(quicksearch, TRUE);
 164         if (quicksearch->callback != NULL)
 165                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 166         quicksearch_set_running(quicksearch, FALSE);
 167 }
 168
 169 static gboolean searchbar_pressed(GtkWidget *widget, GdkEventKey *event,
 170                                   QuickSearch *quicksearch)
 171 {
 172         if (event != NULL && event->keyval == GDK_Escape) {
 173                 quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 174                 return TRUE;
 175         }
 176
 177         if (event != NULL && event->keyval == GDK_Return) {
 178                 /* add expression to history list and exec quicksearch */
 179                 searchbar_run(quicksearch);
 180
 181                 g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
 182                 return TRUE;
 183         }
 184
 185         return FALSE;
 186 }
 187
 188 static gboolean searchtype_changed(GtkMenuItem *widget, gpointer data)
 189 {
 190         QuickSearch *quicksearch = (QuickSearch *)data;
 191         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
 192
 193         prefs_common.summary_quicksearch_type = GPOINTER_TO_INT(g_object_get_data(
 194                                    G_OBJECT(GTK_MENU_ITEM(gtk_menu_get_active(
 195                                    GTK_MENU(quicksearch->search_type)))), MENU_VAL_ID));
 196
 197         /* Show extended search description button, only when Extended is selected */
 198         update_extended_buttons(quicksearch);
 199
 200         if (!search_string || strlen(search_string) == 0) {
 201                 return TRUE;
 202         }
 203
 204         prepare_matcher(quicksearch);
 205
 206         quicksearch_set_running(quicksearch, TRUE);
 207         if (quicksearch->callback != NULL)
 208                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 209         quicksearch_set_running(quicksearch, FALSE);
 210         return TRUE;
 211 }
 212
 213 static gboolean searchtype_recursive_changed(GtkMenuItem *widget, gpointer data)
 214 {
 215         QuickSearch *quicksearch = (QuickSearch *)data;
 216         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 217         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
 218
 219         prefs_common.summary_quicksearch_recurse = checked;
 220
 221         /* reselect the search type */
 222         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 223                                     prefs_common.summary_quicksearch_type);
 224
 225         if (!search_string || strlen(search_string) == 0) {
 226                 return TRUE;
 227         }
 228
 229         prepare_matcher(quicksearch);
 230
 231         quicksearch_set_running(quicksearch, TRUE);
 232         if (quicksearch->callback != NULL)
 233                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 234         quicksearch_set_running(quicksearch, FALSE);
 235         return TRUE;
 236 }
 237
 238 static gboolean searchtype_sticky_changed(GtkMenuItem *widget, gpointer data)
 239 {
 240         QuickSearch *quicksearch = (QuickSearch *)data;
 241         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 242
 243         prefs_common.summary_quicksearch_sticky = checked;
 244
 245         /* reselect the search type */
 246         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 247                                     prefs_common.summary_quicksearch_type);
 248
 249         return TRUE;
 250 }
 251
 252 /*
 253  * Strings describing how to use Extended Search
 254  *
 255  * When adding new lines, remember to put 2 strings for each line
 256  */
 257 static gchar *search_descr_strings[] = {
 258         "a",     N_("all messages"),
 259         "ag #",  N_("messages whose age is greater than #"),
 260         "al #",  N_("messages whose age is less than #"),
 261         "b S",   N_("messages which contain S in the message body"),
 262         "B S",   N_("messages which contain S in the whole message"),
 263         "c S",   N_("messages carbon-copied to S"),
 264         "C S",   N_("message is either to: or cc: to S"),
 265         "D",     N_("deleted messages"), /** how I can filter deleted messages **/
 266         "e S",   N_("messages which contain S in the Sender field"),
 267         "E S",   N_("true if execute \"S\" succeeds"),
 268         "f S",   N_("messages originating from user S"),
 269         "F",     N_("forwarded messages"),
 270         "h S",   N_("messages which contain header S"),
 271         "i S",   N_("messages which contain S in Message-ID header"),
 272         "I S",   N_("messages which contain S in inreplyto header"),
 273         "k #",   N_("messages which are marked with color #"),
 274         "L",     N_("locked messages"),
 275         "n S",   N_("messages which are in newsgroup S"),
 276         "N",     N_("new messages"),
 277         "O",     N_("old messages"),
 278         "p",     N_("incomplete messages (not entirely downloaded)"),
 279         "r",     N_("messages which have been replied to"),
 280         "R",     N_("read messages"),
 281         "s S",   N_("messages which contain S in subject"),
 282         "se #",  N_("messages whose score is equal to #"),
 283         "sg #",  N_("messages whose score is greater than #"),
 284         "sl #",  N_("messages whose score is lower than #"),
 285         "Se #",  N_("messages whose size is equal to #"),
 286         "Sg #",  N_("messages whose size is greater than #"),
 287         "Ss #",  N_("messages whose size is smaller than #"),
 288         "t S",   N_("messages which have been sent to S"),
 289         "T",     N_("marked messages"),
 290         "U",     N_("unread messages"),
 291         "x S",   N_("messages which contain S in References header"),
 292         "X \"cmd args\"", N_("messages returning 0 when passed to command - %F is message file"),
 293         "y S",   N_("messages which contain S in X-Label header"),
 294         "",      "" ,
 295         "&amp;",         N_("logical AND operator"),
 296         "|",     N_("logical OR operator"),
 297         "! or ~",       N_("logical NOT operator"),
 298         "%",     N_("case sensitive search"),
 299         "",      "" ,
 300         " ",     N_("all filtering expressions are allowed"),
 301         NULL,    NULL
 302 };
 303
 304 static DescriptionWindow search_descr = {
 305         NULL,
 306         NULL,
 307         2,
 308         N_("Extended Search"),
 309         N_("Extended Search allows the user to define criteria that messages must "
 310            "have in order to match and be displayed in the message list.\n\n"
 311            "The following symbols can be used:"),
 312         search_descr_strings
 313 };
 314
 315 static void search_description_cb(GtkWidget *widget)
 316 {
 317         description_window_create(&search_descr);
 318 };
 319
 320 static gboolean clear_search_cb(GtkMenuItem *widget, gpointer data)
 321 {
 322         QuickSearch *quicksearch = (QuickSearch *)data;
 323
 324         if (!quicksearch->active)
 325                 return TRUE;
 326
 327         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 328
 329         return TRUE;
 330 };
 331
 332 static void search_condition_expr_done(MatcherList * matchers)
 333 {
 334         gchar *str;
 335
 336         g_return_if_fail(
 337                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL);
 338
 339         if (matchers == NULL)
 340                 return;
 341
 342         str = matcherlist_to_string(matchers);
 343
 344         if (str != NULL) {
 345                 quicksearch_set(mainwindow_get_mainwindow()->summaryview->quicksearch,
 346                                 prefs_common.summary_quicksearch_type, str);
 347                 g_free(str);
 348
 349                 /* add expression to history list and exec quicksearch */
 350                 searchbar_run(mainwindow_get_mainwindow()->summaryview->quicksearch);
 351         }
 352 }
 353
 354 static gboolean search_condition_expr(GtkMenuItem *widget, gpointer data)
 355 {
 356         const gchar * cond_str;
 357         MatcherList * matchers = NULL;
 358
 359         g_return_val_if_fail(
 360                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL,
 361                         FALSE);
 362
 363         /* re-use it the current quicksearch value if it's a condition expression,
 364            otherwise ignore it silently */
 365         cond_str = gtk_entry_get_text(
 366                         GTK_ENTRY(GTK_COMBO(mainwindow_get_mainwindow()->summaryview->quicksearch->
 367                         search_string_entry)->entry));
 368         if (*cond_str != '\0') {
 369                 matchers = matcher_parser_get_cond((gchar*)cond_str, NULL);
 370         }
 371
 372         prefs_matcher_open(matchers, search_condition_expr_done);
 373
 374         if (matchers != NULL)
 375                 matcherlist_free(matchers);
 376
 377         return TRUE;
 378 };
 379
 380 QuickSearch *quicksearch_new()
 381 {
 382         QuickSearch *quicksearch;
 383
 384         GtkWidget *hbox_search;
 385         GtkWidget *search_type_opt;
 386         GtkWidget *search_type;
 387         GtkWidget *search_string_entry;
 388         GtkWidget *search_hbox;
 389         GtkWidget *search_description;
 390         GtkWidget *clear_search;
 391         GtkWidget *search_condition_expression;
 392         GtkWidget *menuitem;
 393         GtkTooltips *search_cond_expr_tip;
 394
 395         quicksearch = g_new0(QuickSearch, 1);
 396
 397         /* quick search */
 398         hbox_search = gtk_hbox_new(FALSE, 0);
 399
 400         search_type_opt = gtk_option_menu_new();
 401         gtk_widget_show(search_type_opt);
 402         gtk_box_pack_start(GTK_BOX(hbox_search), search_type_opt, FALSE, FALSE, 0);
 403
 404         search_type = gtk_menu_new();
 405         MENUITEM_ADD (search_type, menuitem, _("Subject"), QUICK_SEARCH_SUBJECT);
 406         g_signal_connect(G_OBJECT(menuitem), "activate",
 407                          G_CALLBACK(searchtype_changed),
 408                          quicksearch);
 409         MENUITEM_ADD (search_type, menuitem, _("From"), QUICK_SEARCH_FROM);
 410         g_signal_connect(G_OBJECT(menuitem), "activate",
 411                          G_CALLBACK(searchtype_changed),
 412                          quicksearch);
 413         MENUITEM_ADD (search_type, menuitem, _("To"), QUICK_SEARCH_TO);
 414         g_signal_connect(G_OBJECT(menuitem), "activate",
 415                          G_CALLBACK(searchtype_changed),
 416                          quicksearch);
 417         MENUITEM_ADD (search_type, menuitem, _("Extended"), QUICK_SEARCH_EXTENDED);
 418         g_signal_connect(G_OBJECT(menuitem), "activate",
 419                          G_CALLBACK(searchtype_changed),
 420                          quicksearch);
 421
 422         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), gtk_separator_menu_item_new());
 423
 424         menuitem = gtk_check_menu_item_new_with_label(_("Recursive"));
 425         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 426
 427         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 428                                         prefs_common.summary_quicksearch_recurse);
 429
 430         g_signal_connect(G_OBJECT(menuitem), "activate",
 431                          G_CALLBACK(searchtype_recursive_changed),
 432                          quicksearch);
 433
 434         menuitem = gtk_check_menu_item_new_with_label(_("Sticky"));
 435         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 436
 437         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 438                                         prefs_common.summary_quicksearch_sticky);
 439
 440         g_signal_connect(G_OBJECT(menuitem), "activate",
 441                          G_CALLBACK(searchtype_sticky_changed),
 442                          quicksearch);
 443
 444         gtk_option_menu_set_menu(GTK_OPTION_MENU(search_type_opt), search_type);
 445
 446         gtk_option_menu_set_history(GTK_OPTION_MENU(search_type_opt), prefs_common.summary_quicksearch_type);
 447
 448         gtk_widget_show(search_type);
 449
 450         search_string_entry = gtk_combo_new();
 451         gtk_box_pack_start(GTK_BOX(hbox_search), search_string_entry, FALSE, FALSE, 2);
 452         gtk_combo_set_value_in_list(GTK_COMBO(search_string_entry), FALSE, TRUE);
 453         gtk_combo_set_case_sensitive(GTK_COMBO(search_string_entry), TRUE);
 454         if (prefs_common.summary_quicksearch_history)
 455                 gtk_combo_set_popdown_strings(GTK_COMBO(search_string_entry),
 456                         prefs_common.summary_quicksearch_history);
 457         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(search_string_entry)->entry), "");
 458         gtk_widget_show(search_string_entry);
 459
 460         search_hbox = gtk_hbox_new(FALSE, 5);
 461
 462 #if GTK_CHECK_VERSION(2, 8, 0)
 463         clear_search = gtk_button_new_from_stock(GTK_STOCK_CLEAR);
 464 #else
 465         clear_search = gtk_button_new_with_label(_(" Clear "));
 466 #endif
 467         gtk_box_pack_start(GTK_BOX(search_hbox), clear_search,
 468                            FALSE, FALSE, 0);
 469         g_signal_connect(G_OBJECT(clear_search), "clicked",
 470                          G_CALLBACK(clear_search_cb), quicksearch);
 471         gtk_widget_show(clear_search);
 472
 473 #if GTK_CHECK_VERSION(2, 8, 0)
 474         search_condition_expression = gtk_button_new_from_stock(GTK_STOCK_EDIT);
 475 #else
 476         search_condition_expression = gtk_button_new_with_label(" ... ");
 477 #endif
 478         gtk_box_pack_start(GTK_BOX(search_hbox), search_condition_expression,
 479                            FALSE, FALSE, 0);
 480         g_signal_connect(G_OBJECT (search_condition_expression), "clicked",
 481                          G_CALLBACK(search_condition_expr),
 482                          quicksearch);
 483         search_cond_expr_tip = gtk_tooltips_new();
 484         gtk_tooltips_set_tip(GTK_TOOLTIPS(search_cond_expr_tip),
 485                              search_condition_expression,
 486                              _("Edit search criteria"), NULL);
 487         gtk_widget_show(search_condition_expression);
 488
 489 #if GTK_CHECK_VERSION(2, 8, 0)
 490         search_description = gtk_button_new_from_stock(GTK_STOCK_INFO);
 491 #else
 492         search_description = gtk_button_new_with_label(_(" Extended Symbols... "));
 493 #endif
 494         gtk_box_pack_start(GTK_BOX(search_hbox), search_description,
 495                            FALSE, FALSE, 0);
 496         g_signal_connect(G_OBJECT(search_description), "clicked",
 497                          G_CALLBACK(search_description_cb), NULL);
 498         gtk_widget_show(search_description);
 499
 500         gtk_box_pack_start(GTK_BOX(hbox_search), search_hbox, FALSE, FALSE, 2);
 501         gtk_widget_show(search_hbox);
 502
 503         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 504                            "key_press_event",
 505                            G_CALLBACK(searchbar_pressed),
 506                            quicksearch);
 507         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 508                          "focus_in_event",
 509                          G_CALLBACK(searchbar_focus_evt),
 510                          quicksearch);
 511         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 512                          "focus_out_event",
 513                          G_CALLBACK(searchbar_focus_evt),
 514                          quicksearch);
 515
 516         quicksearch->hbox_search = hbox_search;
 517         quicksearch->search_type = search_type;
 518         quicksearch->search_type_opt = search_type_opt;
 519         quicksearch->search_string_entry = search_string_entry;
 520         quicksearch->search_condition_expression = search_condition_expression;
 521         quicksearch->search_description = search_description;
 522         quicksearch->matcher_list = NULL;
 523         quicksearch->active = FALSE;
 524         quicksearch->running = FALSE;
 525         quicksearch->clear_search = clear_search;
 526
 527         update_extended_buttons(quicksearch);
 528
 529         return quicksearch;
 530 }
 531
 532 GtkWidget *quicksearch_get_widget(QuickSearch *quicksearch)
 533 {
 534         return quicksearch->hbox_search;
 535 }
 536
 537 void quicksearch_show(QuickSearch *quicksearch)
 538 {
 539         prepare_matcher(quicksearch);
 540         gtk_widget_show(quicksearch->hbox_search);
 541         update_extended_buttons(quicksearch);
 542         gtk_widget_grab_focus(
 543                 GTK_WIDGET(GTK_COMBO(quicksearch->search_string_entry)->entry));
 544 }
 545
 546 void quicksearch_hide(QuickSearch *quicksearch)
 547 {
 548         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 549         quicksearch_set_active(quicksearch, FALSE);
 550         gtk_widget_hide(quicksearch->hbox_search);
 551 }
 552
 553 void quicksearch_set(QuickSearch *quicksearch, QuickSearchType type,
 554                      const gchar *matchstring)
 555 {
 556         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 557                                     type);
 558         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry),
 559                            matchstring);
 560         prefs_common.summary_quicksearch_type = type;
 561
 562         prepare_matcher(quicksearch);
 563
 564         quicksearch_set_running(quicksearch, TRUE);
 565         if (quicksearch->callback != NULL)
 566                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 567         quicksearch_set_running(quicksearch, FALSE);
 568 }
 569
 570 gboolean quicksearch_is_active(QuickSearch *quicksearch)
 571 {
 572         return quicksearch->active &&
 573                 (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED
 574                  || quicksearch->matcher_list != NULL);
 575 }
 576
 577 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active)
 578 {
 579         static GdkColor yellow;
 580         static GdkColor red;
 581         static GdkColor black;
 582         static gboolean colors_initialised = FALSE;
 583         gboolean error = FALSE;
 584
 585         if (!colors_initialised) {
 586                 gdk_color_parse("#f5f6be", &yellow);
 587                 gdk_color_parse("#000000", &black);
 588                 gdk_color_parse("#ff7070", &red);
 589                 colors_initialised = gdk_colormap_alloc_color(
 590                         gdk_colormap_get_system(), &yellow, FALSE, TRUE);
 591                 colors_initialised &= gdk_colormap_alloc_color(
 592                         gdk_colormap_get_system(), &black, FALSE, TRUE);
 593                 colors_initialised &= gdk_colormap_alloc_color(
 594                         gdk_colormap_get_system(), &red, FALSE, TRUE);
 595         }
 596
 597         quicksearch->active = active;
 598
 599         if (active &&
 600                 (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED
 601                  && quicksearch->matcher_list == NULL))
 602                 error = TRUE;
 603
 604         if (active) {
 605                 gtk_widget_set_sensitive(quicksearch->clear_search, TRUE);
 606                 if (colors_initialised) {
 607                         gtk_widget_modify_base(
 608                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
 609                                 GTK_STATE_NORMAL, error ? &red : &yellow);
 610                         gtk_widget_modify_text(
 611                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
 612                                 GTK_STATE_NORMAL, &black);
 613                 }
 614         } else {
 615                 gtk_widget_set_sensitive(quicksearch->clear_search, FALSE);
 616                 if (colors_initialised) {
 617                         gtk_widget_modify_base(
 618                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
 619                                 GTK_STATE_NORMAL, NULL);
 620                         gtk_widget_modify_text(
 621                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
 622                                 GTK_STATE_NORMAL, NULL);
 623                 }
 624         }
 625
 626         if (!active) {
 627                 quicksearch_reset_cur_folder_item(quicksearch);
 628         }
 629 }
 630
 631 void quicksearch_set_execute_callback(QuickSearch *quicksearch,
 632                                       QuickSearchExecuteCallback callback,
 633                                       gpointer data)
 634 {
 635         quicksearch->callback = callback;
 636         quicksearch->callback_data = data;
 637 }
 638
 639 gboolean quicksearch_match(QuickSearch *quicksearch, MsgInfo *msginfo)
 640 {
 641         gchar *searched_header = NULL;
 642         gboolean result = FALSE;
 643
 644         if (!quicksearch->active)
 645                 return TRUE;
 646
 647         switch (prefs_common.summary_quicksearch_type) {
 648         case QUICK_SEARCH_SUBJECT:
 649                 searched_header = msginfo->subject;
 650                 break;
 651         case QUICK_SEARCH_FROM:
 652                 searched_header = msginfo->from;
 653                 break;
 654         case QUICK_SEARCH_TO:
 655                 searched_header = msginfo->to;
 656                 break;
 657         case QUICK_SEARCH_EXTENDED:
 658                 break;
 659         default:
 660                 debug_print("unknown search type (%d)\n", prefs_common.summary_quicksearch_type);
 661                 break;
 662         }
 663         quicksearch->matching = TRUE;
 664         if (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED &&
 665             quicksearch->search_string &&
 666             searched_header && strcasestr(searched_header, quicksearch->search_string) != NULL)
 667                 result = TRUE;
 668         else if ((quicksearch->matcher_list != NULL) &&
 669                  matcherlist_match(quicksearch->matcher_list, msginfo))
 670                 result = TRUE;
 671
 672         quicksearch->matching = FALSE;
 673         if (quicksearch->deferred_free) {
 674                 prepare_matcher(quicksearch);
 675         }
 676
 677         return result;
 678 }
 679
 680 /* allow Mutt-like patterns in quick search */
 681 gchar *expand_search_string(const gchar *search_string)
 682 {
 683         int i = 0;
 684         gchar term_char, save_char;
 685         gchar *cmd_start, *cmd_end;
 686         GString *matcherstr;
 687         gchar *returnstr = NULL;
 688         gchar *copy_str;
 689         gboolean casesens, dontmatch;
 690         /* list of allowed pattern abbreviations */
 691         struct {
 692                 gchar           *abbreviated;   /* abbreviation */
 693                 gchar           *command;       /* actual matcher command */
 694                 gint            numparams;      /* number of params for cmd */
 695                 gboolean        qualifier;      /* do we append regexpcase */
 696                 gboolean        quotes;         /* do we need quotes */
 697         }
 698         cmds[] = {
 699                 { "a",  "all",                          0,      FALSE,  FALSE },
 700                 { "ag", "age_greater",                  1,      FALSE,  FALSE },
 701                 { "al", "age_lower",                    1,      FALSE,  FALSE },
 702                 { "b",  "body_part",                    1,      TRUE,   TRUE  },
 703                 { "B",  "message",                      1,      TRUE,   TRUE  },
 704                 { "c",  "cc",                           1,      TRUE,   TRUE  },
 705                 { "C",  "to_or_cc",                     1,      TRUE,   TRUE  },
 706                 { "D",  "deleted",                      0,      FALSE,  FALSE },
 707                 { "e",  "header \"Sender\"",            1,      TRUE,   TRUE  },
 708                 { "E",  "execute",                      1,      FALSE,  TRUE  },
 709                 { "f",  "from",                         1,      TRUE,   TRUE  },
 710                 { "F",  "forwarded",                    0,      FALSE,  FALSE },
 711                 { "h",  "headers_part",                 1,      TRUE,   TRUE  },
 712                 { "i",  "header \"Message-ID\"",        1,      TRUE,   TRUE  },
 713                 { "I",  "inreplyto",                    1,      TRUE,   TRUE  },
 714                 { "k",  "colorlabel",                   1,      FALSE,  FALSE },
 715                 { "L",  "locked",                       0,      FALSE,  FALSE },
 716                 { "n",  "newsgroups",                   1,      TRUE,   TRUE  },
 717                 { "N",  "new",                          0,      FALSE,  FALSE },
 718                 { "O",  "~new",                         0,      FALSE,  FALSE },
 719                 { "r",  "replied",                      0,      FALSE,  FALSE },
 720                 { "R",  "~unread",                      0,      FALSE,  FALSE },
 721                 { "s",  "subject",                      1,      TRUE,   TRUE  },
 722                 { "se", "score_equal",                  1,      FALSE,  FALSE },
 723                 { "sg", "score_greater",                1,      FALSE,  FALSE },
 724                 { "sl", "score_lower",                  1,      FALSE,  FALSE },
 725                 { "Se", "size_equal",                   1,      FALSE,  FALSE },
 726                 { "Sg", "size_greater",                 1,      FALSE,  FALSE },
 727                 { "Ss", "size_smaller",                 1,      FALSE,  FALSE },
 728                 { "t",  "to",                           1,      TRUE,   TRUE  },
 729                 { "T",  "marked",                       0,      FALSE,  FALSE },
 730                 { "U",  "unread",                       0,      FALSE,  FALSE },
 731                 { "x",  "header \"References\"",        1,      TRUE,   TRUE  },
 732                 { "X",  "test",                         1,      FALSE,  FALSE },
 733                 { "y",  "header \"X-Label\"",           1,      TRUE,   TRUE  },
 734                 { "&",  "&",                            0,      FALSE,  FALSE },
 735                 { "|",  "|",                            0,      FALSE,  FALSE },
 736                 { "p",  "partial",                      0,      FALSE,  FALSE },
 737                 { NULL, NULL,                           0,      FALSE,  FALSE }
 738         };
 739
 740         if (search_string == NULL)
 741                 return NULL;
 742
 743         copy_str = g_strdup(search_string);
 744
 745         matcherstr = g_string_sized_new(16);
 746         cmd_start = copy_str;
 747         while (cmd_start && *cmd_start) {
 748                 /* skip all white spaces */
 749                 while (*cmd_start && isspace((guchar)*cmd_start))
 750                         cmd_start++;
 751                 cmd_end = cmd_start;
 752
 753                 /* extract a command */
 754                 while (*cmd_end && !isspace((guchar)*cmd_end))
 755                         cmd_end++;
 756
 757                 /* save character */
 758                 save_char = *cmd_end;
 759                 *cmd_end = '\0';
 760
 761                 dontmatch = FALSE;
 762                 casesens = FALSE;
 763
 764                 /* ~ and ! mean logical NOT */
 765                 if (*cmd_start == '~' || *cmd_start == '!')
 766                 {
 767                         dontmatch = TRUE;
 768                         cmd_start++;
 769                 }
 770                 /* % means case sensitive match */
 771                 if (*cmd_start == '%')
 772                 {
 773                         casesens = TRUE;
 774                         cmd_start++;
 775                 }
 776
 777                 /* find matching abbreviation */
 778                 for (i = 0; cmds[i].command; i++) {
 779                         if (!strcmp(cmd_start, cmds[i].abbreviated)) {
 780                                 /* restore character */
 781                                 *cmd_end = save_char;
 782
 783                                 /* copy command */
 784                                 if (matcherstr->len > 0) {
 785                                         g_string_append(matcherstr, " ");
 786                                 }
 787                                 if (dontmatch)
 788                                         g_string_append(matcherstr, "~");
 789                                 g_string_append(matcherstr, cmds[i].command);
 790                                 g_string_append(matcherstr, " ");
 791
 792                                 /* stop if no params required */
 793                                 if (cmds[i].numparams == 0)
 794                                         break;
 795
 796                                 /* extract a parameter, allow quotes */
 797                                 while (*cmd_end && isspace((guchar)*cmd_end))
 798                                         cmd_end++;
 799
 800                                 cmd_start = cmd_end;
 801                                 if (*cmd_start == '"') {
 802                                         term_char = '"';
 803                                         cmd_end++;
 804                                 }
 805                                 else
 806                                         term_char = ' ';
 807
 808                                 /* extract actual parameter */
 809                                 while ((*cmd_end) && (*cmd_end != term_char))
 810                                         cmd_end++;
 811
 812                                 if (*cmd_end == '"')
 813                                         cmd_end++;
 814
 815                                 save_char = *cmd_end;
 816                                 *cmd_end = '\0';
 817
 818                                 if (cmds[i].qualifier) {
 819                                         if (casesens)
 820                                                 g_string_append(matcherstr, "regexp ");
 821                                         else
 822                                                 g_string_append(matcherstr, "regexpcase ");
 823                                 }
 824
 825                                 /* do we need to add quotes ? */
 826                                 if (cmds[i].quotes && term_char != '"')
 827                                         g_string_append(matcherstr, "\"");
 828
 829                                 /* copy actual parameter */
 830                                 g_string_append(matcherstr, cmd_start);
 831
 832                                 /* do we need to add quotes ? */
 833                                 if (cmds[i].quotes && term_char != '"')
 834                                         g_string_append(matcherstr, "\"");
 835
 836                                 /* restore original character */
 837                                 *cmd_end = save_char;
 838
 839                                 break;
 840                         }
 841                 }
 842
 843                 if (*cmd_end)
 844                         cmd_end++;
 845                 cmd_start = cmd_end;
 846         }
 847
 848         g_free(copy_str);
 849
 850         /* return search string if no match is found to allow
 851            all available filtering expressions in quicksearch */
 852         if (matcherstr->len > 0) returnstr = matcherstr->str;
 853         else returnstr = g_strdup(search_string);
 854
 855         g_string_free(matcherstr, FALSE);
 856         return returnstr;
 857 }
 858
 859 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run)
 860 {
 861         quicksearch->running = run;
 862 }
 863
 864 gboolean quicksearch_is_running(QuickSearch *quicksearch)
 865 {
 866         return quicksearch->running;
 867 }
 868
 869 void quicksearch_pass_key(QuickSearch *quicksearch, guint val, GdkModifierType mod)
 870 {
 871         GtkEntry *entry = GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry);
 872         glong curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
 873         guint32 c;
 874         char *str = g_strdup(gtk_entry_get_text(entry));
 875         char *begin = str;
 876         char *end = NULL;
 877         char *new = NULL;
 878         char key[7] = "";
 879         guint char_len = 0;
 880
 881         if (gtk_editable_get_selection_bounds(GTK_EDITABLE(entry), NULL, NULL)) {
 882                 /* remove selection */
 883                 gtk_editable_delete_selection(GTK_EDITABLE(entry));
 884                 curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
 885                 /* refresh string */
 886                 g_free(str);
 887                 str = g_strdup(gtk_entry_get_text(entry));
 888                 begin = str;
 889         }
 890
 891         if (!(c = gdk_keyval_to_unicode(val))) {
 892                 g_free(str);
 893                 return;
 894         }
 895         char_len = g_unichar_to_utf8(c, key);
 896         if (char_len < 0)
 897                 return;
 898         key[char_len] = '\0';
 899         if (curpos < g_utf8_strlen(str, -1)) {
 900                 gchar *stop = g_utf8_offset_to_pointer(begin, curpos);
 901                 end = g_strdup(g_utf8_offset_to_pointer(str, curpos));
 902                 *stop = '\0';
 903                 new = g_strdup_printf("%s%s%s", begin, key, end);
 904                 gtk_entry_set_text(entry, new);
 905                 g_free(end);
 906         } else {
 907                 new = g_strdup_printf("%s%s", begin, key);
 908                 gtk_entry_set_text(entry, new);
 909         }
 910         g_free(str);
 911         g_free(new);
 912         gtk_editable_set_position(GTK_EDITABLE(entry), curpos+1);
 913
 914 }
 915
 916 static gboolean quicksearch_match_subfolder(QuickSearch *quicksearch,
 917                                  FolderItem *src)
 918 {
 919         GSList *msglist = folder_item_get_msg_list(src);
 920         GSList *cur;
 921         gboolean result = FALSE;
 922         gint num = 0, total = src->total_msgs;
 923         gint interval = quicksearch_is_fast(quicksearch) ? 5000:100;
 924
 925         statusbar_print_all(_("Searching in %s... \n"),
 926                 src->path ? src->path : "(null)");
 927         folder_item_update_freeze();
 928         for (cur = msglist; cur != NULL; cur = cur->next) {
 929                 MsgInfo *msg = (MsgInfo *)cur->data;
 930                 statusbar_progress_all(num++,total, interval);
 931                 if (quicksearch_match(quicksearch, msg)) {
 932                         procmsg_msginfo_free(msg);
 933                         result = TRUE;
 934                         break;
 935                 }
 936                 procmsg_msginfo_free(msg);
 937                 if (num % interval == 0)
 938                         GTK_EVENTS_FLUSH();
 939                 if (!quicksearch_is_active(quicksearch))
 940                         break;
 941         }
 942         folder_item_update_thaw();
 943         statusbar_progress_all(0,0,0);
 944         statusbar_pop_all();
 945
 946         g_slist_free(msglist);
 947         return result;
 948 }
 949
 950 void quicksearch_search_subfolders(QuickSearch *quicksearch,
 951                                    FolderView *folderview,
 952                                    FolderItem *folder_item)
 953 {
 954         FolderItem *cur = NULL;
 955         GNode *node = folder_item->node->children;
 956
 957         if (!prefs_common.summary_quicksearch_recurse)
 958                 return;
 959
 960         for (; node != NULL; node = node->next) {
 961                 cur = FOLDER_ITEM(node->data);
 962                 if (quicksearch_match_subfolder(quicksearch, cur)) {
 963                         folderview_update_search_icon(cur, TRUE);
 964                 } else {
 965                         folderview_update_search_icon(cur, FALSE);
 966                 }
 967                 if (cur->node->children)
 968                         quicksearch_search_subfolders(quicksearch,
 969                                                       folderview,
 970                                                       cur);
 971         }
 972         quicksearch->root_folder_item = folder_item;
 973         if (!quicksearch_is_active(quicksearch))
 974                 quicksearch_reset_cur_folder_item(quicksearch);
 975 }
 976
 977 static void quicksearch_reset_folder_items(QuickSearch *quicksearch,
 978                                     FolderItem *folder_item)
 979 {
 980         FolderItem *cur = NULL;
 981         GNode *node = (folder_item && folder_item->node) ?
 982                         folder_item->node->children : NULL;
 983
 984         for (; node != NULL; node = node->next) {
 985                 cur = FOLDER_ITEM(node->data);
 986                 folderview_update_search_icon(cur, FALSE);
 987                 if (cur->node->children)
 988                         quicksearch_reset_folder_items(quicksearch,
 989                                                        cur);
 990         }
 991 }
 992
 993 void quicksearch_reset_cur_folder_item(QuickSearch *quicksearch)
 994 {
 995         if (quicksearch->root_folder_item)
 996                 quicksearch_reset_folder_items(quicksearch,
 997                                                quicksearch->root_folder_item);
 998
 999         quicksearch->root_folder_item = NULL;
1000 }