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                 g_free(quicksearch->search_string);
 108                 quicksearch->search_string = g_strdup(search_string);
 109         }
 110
 111         quicksearch_set_active(quicksearch, TRUE);
 112 }
 113
 114 static void update_extended_buttons (QuickSearch *quicksearch)
 115 {
 116         GtkWidget *expr_btn = quicksearch->search_condition_expression;
 117         GtkWidget *ext_btn = quicksearch->search_description;
 118
 119         g_return_if_fail(expr_btn != NULL);
 120         g_return_if_fail(ext_btn != NULL);
 121
 122         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
 123                 gtk_widget_show(expr_btn);
 124                 gtk_widget_show(ext_btn);
 125         } else {
 126                 gtk_widget_hide(expr_btn);
 127                 gtk_widget_hide(ext_btn);
 128         }
 129 }
 130
 131 static gboolean searchbar_focus_evt(GtkWidget *widget, GdkEventFocus *event,
 132                                   QuickSearch *quicksearch)
 133 {
 134         quicksearch->has_focus = (event && event->in);
 135         return FALSE;
 136 }
 137
 138 gboolean quicksearch_has_focus(QuickSearch *quicksearch)
 139 {
 140         return quicksearch->has_focus;
 141 }
 142
 143 static void searchbar_run(QuickSearch *quicksearch)
 144 {
 145         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
 146
 147         if (search_string && strlen(search_string) != 0) {
 148                 prefs_common.summary_quicksearch_history =
 149                         add_history(prefs_common.summary_quicksearch_history,
 150                                         search_string);
 151                 gtk_combo_set_popdown_strings(GTK_COMBO(quicksearch->search_string_entry),
 152                         prefs_common.summary_quicksearch_history);
 153         }
 154
 155         prepare_matcher(quicksearch);
 156
 157         quicksearch_set_running(quicksearch, TRUE);
 158         if (quicksearch->callback != NULL)
 159                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 160         quicksearch_set_running(quicksearch, FALSE);
 161 }
 162
 163 static gboolean searchbar_pressed(GtkWidget *widget, GdkEventKey *event,
 164                                   QuickSearch *quicksearch)
 165 {
 166         if (event != NULL && event->keyval == GDK_Escape) {
 167                 quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 168                 return TRUE;
 169         }
 170
 171         if (event != NULL && event->keyval == GDK_Return) {
 172                 /* add expression to history list and exec quicksearch */
 173                 searchbar_run(quicksearch);
 174
 175                 g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
 176                 return TRUE;
 177         }
 178
 179         return FALSE;
 180 }
 181
 182 static gboolean searchtype_changed(GtkMenuItem *widget, gpointer data)
 183 {
 184         QuickSearch *quicksearch = (QuickSearch *)data;
 185         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
 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         if (!search_string || strlen(search_string) == 0) {
 195                 return TRUE;
 196         }
 197
 198         prepare_matcher(quicksearch);
 199
 200         quicksearch_set_running(quicksearch, TRUE);
 201         if (quicksearch->callback != NULL)
 202                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 203         quicksearch_set_running(quicksearch, FALSE);
 204         return TRUE;
 205 }
 206
 207 static gboolean searchtype_recursive_changed(GtkMenuItem *widget, gpointer data)
 208 {
 209         QuickSearch *quicksearch = (QuickSearch *)data;
 210         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 211         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
 212
 213         prefs_common.summary_quicksearch_recurse = checked;
 214
 215         /* reselect the search type */
 216         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 217                                     prefs_common.summary_quicksearch_type);
 218
 219         if (!search_string || strlen(search_string) == 0) {
 220                 return TRUE;
 221         }
 222
 223         prepare_matcher(quicksearch);
 224
 225         quicksearch_set_running(quicksearch, TRUE);
 226         if (quicksearch->callback != NULL)
 227                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 228         quicksearch_set_running(quicksearch, FALSE);
 229         return TRUE;
 230 }
 231
 232 static gboolean searchtype_sticky_changed(GtkMenuItem *widget, gpointer data)
 233 {
 234         QuickSearch *quicksearch = (QuickSearch *)data;
 235         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 236
 237         prefs_common.summary_quicksearch_sticky = checked;
 238
 239         /* reselect the search type */
 240         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 241                                     prefs_common.summary_quicksearch_type);
 242
 243         return TRUE;
 244 }
 245
 246 /*
 247  * Strings describing how to use Extended Search
 248  *
 249  * When adding new lines, remember to put 2 strings for each line
 250  */
 251 static gchar *search_descr_strings[] = {
 252         "a",     N_("all messages"),
 253         "ag #",  N_("messages whose age is greater than #"),
 254         "al #",  N_("messages whose age is less than #"),
 255         "b S",   N_("messages which contain S in the message body"),
 256         "B S",   N_("messages which contain S in the whole message"),
 257         "c S",   N_("messages carbon-copied to S"),
 258         "C S",   N_("message is either to: or cc: to S"),
 259         "D",     N_("deleted messages"), /** how I can filter deleted messages **/
 260         "e S",   N_("messages which contain S in the Sender field"),
 261         "E S",   N_("true if execute \"S\" succeeds"),
 262         "f S",   N_("messages originating from user S"),
 263         "F",     N_("forwarded messages"),
 264         "h S",   N_("messages which contain header S"),
 265         "i S",   N_("messages which contain S in Message-ID header"),
 266         "I S",   N_("messages which contain S in inreplyto header"),
 267         "L",     N_("locked messages"),
 268         "n S",   N_("messages which are in newsgroup S"),
 269         "N",     N_("new messages"),
 270         "O",     N_("old messages"),
 271         "p",     N_("incomplete messages (not entirely downloaded)"),
 272         "r",     N_("messages which have been replied to"),
 273         "R",     N_("read messages"),
 274         "s S",   N_("messages which contain S in subject"),
 275         "se #",  N_("messages whose score is equal to #"),
 276         "sg #",  N_("messages whose score is greater than #"),
 277         "sl #",  N_("messages whose score is lower than #"),
 278         "Se #",  N_("messages whose size is equal to #"),
 279         "Sg #",  N_("messages whose size is greater than #"),
 280         "Ss #",  N_("messages whose size is smaller than #"),
 281         "t S",   N_("messages which have been sent to S"),
 282         "T",     N_("marked messages"),
 283         "U",     N_("unread messages"),
 284         "x S",   N_("messages which contain S in References header"),
 285         "X \"cmd args\"", N_("messages returning 0 when passed to command - %F is message file"),
 286         "y S",   N_("messages which contain S in X-Label header"),
 287         "",      "" ,
 288         "&amp;",         N_("logical AND operator"),
 289         "|",     N_("logical OR operator"),
 290         "! or ~",       N_("logical NOT operator"),
 291         "%",     N_("case sensitive search"),
 292         "",      "" ,
 293         " ",     N_("all filtering expressions are allowed"),
 294         NULL,    NULL
 295 };
 296
 297 static DescriptionWindow search_descr = {
 298         NULL,
 299         NULL,
 300         2,
 301         N_("Extended Search"),
 302         N_("Extended Search allows the user to define criteria that messages must "
 303            "have in order to match and be displayed in the message list.\n\n"
 304            "The following symbols can be used:"),
 305         search_descr_strings
 306 };
 307
 308 static void search_description_cb(GtkWidget *widget)
 309 {
 310         description_window_create(&search_descr);
 311 };
 312
 313 static gboolean clear_search_cb(GtkMenuItem *widget, gpointer data)
 314 {
 315         QuickSearch *quicksearch = (QuickSearch *)data;
 316
 317         if (!quicksearch->active)
 318                 return TRUE;
 319
 320         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 321
 322         return TRUE;
 323 };
 324
 325 static void search_condition_expr_done(MatcherList * matchers)
 326 {
 327         gchar *str;
 328
 329         g_return_if_fail(
 330                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL);
 331
 332         if (matchers == NULL)
 333                 return;
 334
 335         str = matcherlist_to_string(matchers);
 336
 337         if (str != NULL) {
 338                 quicksearch_set(mainwindow_get_mainwindow()->summaryview->quicksearch,
 339                                 prefs_common.summary_quicksearch_type, str);
 340                 g_free(str);
 341
 342                 /* add expression to history list and exec quicksearch */
 343                 searchbar_run(mainwindow_get_mainwindow()->summaryview->quicksearch);
 344         }
 345 }
 346
 347 static gboolean search_condition_expr(GtkMenuItem *widget, gpointer data)
 348 {
 349         const gchar * cond_str;
 350         MatcherList * matchers = NULL;
 351
 352         g_return_val_if_fail(
 353                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL,
 354                         FALSE);
 355
 356         /* re-use it the current quicksearch value if it's a condition expression,
 357            otherwise ignore it silently */
 358         cond_str = gtk_entry_get_text(
 359                         GTK_ENTRY(GTK_COMBO(mainwindow_get_mainwindow()->summaryview->quicksearch->
 360                         search_string_entry)->entry));
 361         if (*cond_str != '\0') {
 362                 matchers = matcher_parser_get_cond((gchar*)cond_str);
 363         }
 364
 365         prefs_matcher_open(matchers, search_condition_expr_done);
 366
 367         if (matchers != NULL)
 368                 matcherlist_free(matchers);
 369
 370         return TRUE;
 371 };
 372
 373 QuickSearch *quicksearch_new()
 374 {
 375         QuickSearch *quicksearch;
 376
 377         GtkWidget *hbox_search;
 378         GtkWidget *search_type_opt;
 379         GtkWidget *search_type;
 380         GtkWidget *search_string_entry;
 381         GtkWidget *search_hbox;
 382         GtkWidget *search_description;
 383         GtkWidget *clear_search;
 384         GtkWidget *search_condition_expression;
 385         GtkWidget *menuitem;
 386         GtkTooltips *search_cond_expr_tip;
 387
 388         quicksearch = g_new0(QuickSearch, 1);
 389
 390         /* quick search */
 391         hbox_search = gtk_hbox_new(FALSE, 0);
 392
 393         search_type_opt = gtk_option_menu_new();
 394         gtk_widget_show(search_type_opt);
 395         gtk_box_pack_start(GTK_BOX(hbox_search), search_type_opt, FALSE, FALSE, 0);
 396
 397         search_type = gtk_menu_new();
 398         MENUITEM_ADD (search_type, menuitem, _("Subject"), QUICK_SEARCH_SUBJECT);
 399         g_signal_connect(G_OBJECT(menuitem), "activate",
 400                          G_CALLBACK(searchtype_changed),
 401                          quicksearch);
 402         MENUITEM_ADD (search_type, menuitem, _("From"), QUICK_SEARCH_FROM);
 403         g_signal_connect(G_OBJECT(menuitem), "activate",
 404                          G_CALLBACK(searchtype_changed),
 405                          quicksearch);
 406         MENUITEM_ADD (search_type, menuitem, _("To"), QUICK_SEARCH_TO);
 407         g_signal_connect(G_OBJECT(menuitem), "activate",
 408                          G_CALLBACK(searchtype_changed),
 409                          quicksearch);
 410         MENUITEM_ADD (search_type, menuitem, _("Extended"), QUICK_SEARCH_EXTENDED);
 411         g_signal_connect(G_OBJECT(menuitem), "activate",
 412                          G_CALLBACK(searchtype_changed),
 413                          quicksearch);
 414
 415         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), gtk_separator_menu_item_new());
 416
 417         menuitem = gtk_check_menu_item_new_with_label(_("Recursive"));
 418         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 419
 420         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 421                                         prefs_common.summary_quicksearch_recurse);
 422
 423         g_signal_connect(G_OBJECT(menuitem), "activate",
 424                          G_CALLBACK(searchtype_recursive_changed),
 425                          quicksearch);
 426
 427         menuitem = gtk_check_menu_item_new_with_label(_("Sticky"));
 428         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 429
 430         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 431                                         prefs_common.summary_quicksearch_sticky);
 432
 433         g_signal_connect(G_OBJECT(menuitem), "activate",
 434                          G_CALLBACK(searchtype_sticky_changed),
 435                          quicksearch);
 436
 437         gtk_option_menu_set_menu(GTK_OPTION_MENU(search_type_opt), search_type);
 438
 439         gtk_option_menu_set_history(GTK_OPTION_MENU(search_type_opt), prefs_common.summary_quicksearch_type);
 440
 441         gtk_widget_show(search_type);
 442
 443         search_string_entry = gtk_combo_new();
 444         gtk_box_pack_start(GTK_BOX(hbox_search), search_string_entry, FALSE, FALSE, 2);
 445         gtk_combo_set_value_in_list(GTK_COMBO(search_string_entry), FALSE, TRUE);
 446         gtk_combo_set_case_sensitive(GTK_COMBO(search_string_entry), TRUE);
 447         if (prefs_common.summary_quicksearch_history)
 448                 gtk_combo_set_popdown_strings(GTK_COMBO(search_string_entry),
 449                         prefs_common.summary_quicksearch_history);
 450         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(search_string_entry)->entry), "");
 451         gtk_widget_show(search_string_entry);
 452
 453         search_hbox = gtk_hbox_new(FALSE, 5);
 454
 455 #if GTK_CHECK_VERSION(2, 8, 0)
 456         clear_search = gtk_button_new_from_stock(GTK_STOCK_CLEAR);
 457 #else
 458         clear_search = gtk_button_new_with_label(_(" Clear "));
 459 #endif
 460         gtk_box_pack_start(GTK_BOX(search_hbox), clear_search,
 461                            FALSE, FALSE, 0);
 462         g_signal_connect(G_OBJECT(clear_search), "clicked",
 463                          G_CALLBACK(clear_search_cb), quicksearch);
 464         gtk_widget_show(clear_search);
 465
 466 #if GTK_CHECK_VERSION(2, 8, 0)
 467         search_condition_expression = gtk_button_new_from_stock(GTK_STOCK_EDIT);
 468 #else
 469         search_condition_expression = gtk_button_new_with_label(" ... ");
 470 #endif
 471         gtk_box_pack_start(GTK_BOX(search_hbox), search_condition_expression,
 472                            FALSE, FALSE, 0);
 473         g_signal_connect(G_OBJECT (search_condition_expression), "clicked",
 474                          G_CALLBACK(search_condition_expr),
 475                          quicksearch);
 476         search_cond_expr_tip = gtk_tooltips_new();
 477         gtk_tooltips_set_tip(GTK_TOOLTIPS(search_cond_expr_tip),
 478                              search_condition_expression,
 479                              _("Edit search criteria"), NULL);
 480         gtk_widget_show(search_condition_expression);
 481
 482 #if GTK_CHECK_VERSION(2, 8, 0)
 483         search_description = gtk_button_new_from_stock(GTK_STOCK_INFO);
 484 #else
 485         search_description = gtk_button_new_with_label(_(" Extended Symbols... "));
 486 #endif
 487         gtk_box_pack_start(GTK_BOX(search_hbox), search_description,
 488                            FALSE, FALSE, 0);
 489         g_signal_connect(G_OBJECT(search_description), "clicked",
 490                          G_CALLBACK(search_description_cb), NULL);
 491         gtk_widget_show(search_description);
 492
 493         gtk_box_pack_start(GTK_BOX(hbox_search), search_hbox, FALSE, FALSE, 2);
 494         gtk_widget_show(search_hbox);
 495
 496         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 497                            "key_press_event",
 498                            G_CALLBACK(searchbar_pressed),
 499                            quicksearch);
 500         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 501                          "focus_in_event",
 502                          G_CALLBACK(searchbar_focus_evt),
 503                          quicksearch);
 504         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 505                          "focus_out_event",
 506                          G_CALLBACK(searchbar_focus_evt),
 507                          quicksearch);
 508
 509         quicksearch->hbox_search = hbox_search;
 510         quicksearch->search_type = search_type;
 511         quicksearch->search_type_opt = search_type_opt;
 512         quicksearch->search_string_entry = search_string_entry;
 513         quicksearch->search_condition_expression = search_condition_expression;
 514         quicksearch->search_description = search_description;
 515         quicksearch->matcher_list = NULL;
 516         quicksearch->active = FALSE;
 517         quicksearch->running = FALSE;
 518         quicksearch->clear_search = clear_search;
 519
 520         update_extended_buttons(quicksearch);
 521
 522         return quicksearch;
 523 }
 524
 525 GtkWidget *quicksearch_get_widget(QuickSearch *quicksearch)
 526 {
 527         return quicksearch->hbox_search;
 528 }
 529
 530 void quicksearch_show(QuickSearch *quicksearch)
 531 {
 532         prepare_matcher(quicksearch);
 533         gtk_widget_show(quicksearch->hbox_search);
 534         update_extended_buttons(quicksearch);
 535         gtk_widget_grab_focus(
 536                 GTK_WIDGET(GTK_COMBO(quicksearch->search_string_entry)->entry));
 537 }
 538
 539 void quicksearch_hide(QuickSearch *quicksearch)
 540 {
 541         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 542         quicksearch_set_active(quicksearch, FALSE);
 543         gtk_widget_hide(quicksearch->hbox_search);
 544 }
 545
 546 void quicksearch_set(QuickSearch *quicksearch, QuickSearchType type,
 547                      const gchar *matchstring)
 548 {
 549         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 550                                     type);
 551         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry),
 552                            matchstring);
 553         prefs_common.summary_quicksearch_type = type;
 554
 555         prepare_matcher(quicksearch);
 556
 557         quicksearch_set_running(quicksearch, TRUE);
 558         if (quicksearch->callback != NULL)
 559                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 560         quicksearch_set_running(quicksearch, FALSE);
 561 }
 562
 563 gboolean quicksearch_is_active(QuickSearch *quicksearch)
 564 {
 565         return quicksearch->active &&
 566                 (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED
 567                  || quicksearch->matcher_list != NULL);
 568 }
 569
 570 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active)
 571 {
 572         static GdkColor yellow;
 573         static GdkColor red;
 574         static GdkColor black;
 575         static gboolean colors_initialised = FALSE;
 576         gboolean error = FALSE;
 577
 578         if (!colors_initialised) {
 579                 gdk_color_parse("#f5f6be", &yellow);
 580                 gdk_color_parse("#000000", &black);
 581                 gdk_color_parse("#ff7070", &red);
 582                 colors_initialised = gdk_colormap_alloc_color(
 583                         gdk_colormap_get_system(), &yellow, FALSE, TRUE);
 584                 colors_initialised &= gdk_colormap_alloc_color(
 585                         gdk_colormap_get_system(), &black, FALSE, TRUE);
 586                 colors_initialised &= gdk_colormap_alloc_color(
 587                         gdk_colormap_get_system(), &red, FALSE, TRUE);
 588         }
 589
 590         quicksearch->active = active;
 591
 592         if (active &&
 593                 (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED
 594                  && quicksearch->matcher_list == NULL))
 595                 error = TRUE;
 596
 597         if (active) {
 598                 gtk_widget_set_sensitive(quicksearch->clear_search, TRUE);
 599                 if (colors_initialised) {
 600                         gtk_widget_modify_base(
 601                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
 602                                 GTK_STATE_NORMAL, error ? &red : &yellow);
 603                         gtk_widget_modify_text(
 604                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
 605                                 GTK_STATE_NORMAL, &black);
 606                 }
 607         } else {
 608                 gtk_widget_set_sensitive(quicksearch->clear_search, FALSE);
 609                 if (colors_initialised) {
 610                         gtk_widget_modify_base(
 611                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
 612                                 GTK_STATE_NORMAL, NULL);
 613                         gtk_widget_modify_text(
 614                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
 615                                 GTK_STATE_NORMAL, NULL);
 616                 }
 617         }
 618
 619         if (!active) {
 620                 quicksearch_reset_cur_folder_item(quicksearch);
 621         }
 622 }
 623
 624 void quicksearch_set_execute_callback(QuickSearch *quicksearch,
 625                                       QuickSearchExecuteCallback callback,
 626                                       gpointer data)
 627 {
 628         quicksearch->callback = callback;
 629         quicksearch->callback_data = data;
 630 }
 631
 632 gboolean quicksearch_match(QuickSearch *quicksearch, MsgInfo *msginfo)
 633 {
 634         gchar *searched_header = NULL;
 635         gboolean result = FALSE;
 636
 637         if (!quicksearch->active)
 638                 return TRUE;
 639
 640         switch (prefs_common.summary_quicksearch_type) {
 641         case QUICK_SEARCH_SUBJECT:
 642                 searched_header = msginfo->subject;
 643                 break;
 644         case QUICK_SEARCH_FROM:
 645                 searched_header = msginfo->from;
 646                 break;
 647         case QUICK_SEARCH_TO:
 648                 searched_header = msginfo->to;
 649                 break;
 650         case QUICK_SEARCH_EXTENDED:
 651                 break;
 652         default:
 653                 debug_print("unknown search type (%d)\n", prefs_common.summary_quicksearch_type);
 654                 break;
 655         }
 656         quicksearch->matching = TRUE;
 657         if (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED &&
 658             quicksearch->search_string &&
 659             searched_header && strcasestr(searched_header, quicksearch->search_string) != NULL)
 660                 result = TRUE;
 661         else if ((quicksearch->matcher_list != NULL) &&
 662                  matcherlist_match(quicksearch->matcher_list, msginfo))
 663                 result = TRUE;
 664
 665         quicksearch->matching = FALSE;
 666         if (quicksearch->deferred_free) {
 667                 prepare_matcher(quicksearch);
 668         }
 669
 670         return result;
 671 }
 672
 673 /* allow Mutt-like patterns in quick search */
 674 gchar *expand_search_string(const gchar *search_string)
 675 {
 676         int i = 0;
 677         gchar term_char, save_char;
 678         gchar *cmd_start, *cmd_end;
 679         GString *matcherstr;
 680         gchar *returnstr = NULL;
 681         gchar *copy_str;
 682         gboolean casesens, dontmatch;
 683         /* list of allowed pattern abbreviations */
 684         struct {
 685                 gchar           *abbreviated;   /* abbreviation */
 686                 gchar           *command;       /* actual matcher command */
 687                 gint            numparams;      /* number of params for cmd */
 688                 gboolean        qualifier;      /* do we append regexpcase */
 689                 gboolean        quotes;         /* do we need quotes */
 690         }
 691         cmds[] = {
 692                 { "a",  "all",                          0,      FALSE,  FALSE },
 693                 { "ag", "age_greater",                  1,      FALSE,  FALSE },
 694                 { "al", "age_lower",                    1,      FALSE,  FALSE },
 695                 { "b",  "body_part",                    1,      TRUE,   TRUE  },
 696                 { "B",  "message",                      1,      TRUE,   TRUE  },
 697                 { "c",  "cc",                           1,      TRUE,   TRUE  },
 698                 { "C",  "to_or_cc",                     1,      TRUE,   TRUE  },
 699                 { "D",  "deleted",                      0,      FALSE,  FALSE },
 700                 { "e",  "header \"Sender\"",            1,      TRUE,   TRUE  },
 701                 { "E",  "execute",                      1,      FALSE,  TRUE  },
 702                 { "f",  "from",                         1,      TRUE,   TRUE  },
 703                 { "F",  "forwarded",                    0,      FALSE,  FALSE },
 704                 { "h",  "headers_part",                 1,      TRUE,   TRUE  },
 705                 { "i",  "header \"Message-ID\"",        1,      TRUE,   TRUE  },
 706                 { "I",  "inreplyto",                    1,      TRUE,   TRUE  },
 707                 { "L",  "locked",                       0,      FALSE,  FALSE },
 708                 { "n",  "newsgroups",                   1,      TRUE,   TRUE  },
 709                 { "N",  "new",                          0,      FALSE,  FALSE },
 710                 { "O",  "~new",                         0,      FALSE,  FALSE },
 711                 { "r",  "replied",                      0,      FALSE,  FALSE },
 712                 { "R",  "~unread",                      0,      FALSE,  FALSE },
 713                 { "s",  "subject",                      1,      TRUE,   TRUE  },
 714                 { "se", "score_equal",                  1,      FALSE,  FALSE },
 715                 { "sg", "score_greater",                1,      FALSE,  FALSE },
 716                 { "sl", "score_lower",                  1,      FALSE,  FALSE },
 717                 { "Se", "size_equal",                   1,      FALSE,  FALSE },
 718                 { "Sg", "size_greater",                 1,      FALSE,  FALSE },
 719                 { "Ss", "size_smaller",                 1,      FALSE,  FALSE },
 720                 { "t",  "to",                           1,      TRUE,   TRUE  },
 721                 { "T",  "marked",                       0,      FALSE,  FALSE },
 722                 { "U",  "unread",                       0,      FALSE,  FALSE },
 723                 { "x",  "header \"References\"",        1,      TRUE,   TRUE  },
 724                 { "X",  "test",                         1,      FALSE,  FALSE },
 725                 { "y",  "header \"X-Label\"",           1,      TRUE,   TRUE  },
 726                 { "&",  "&",                            0,      FALSE,  FALSE },
 727                 { "|",  "|",                            0,      FALSE,  FALSE },
 728                 { "p",  "partial",                      0,      FALSE,  FALSE },
 729                 { NULL, NULL,                           0,      FALSE,  FALSE }
 730         };
 731
 732         if (search_string == NULL)
 733                 return NULL;
 734
 735         copy_str = g_strdup(search_string);
 736
 737         matcherstr = g_string_sized_new(16);
 738         cmd_start = copy_str;
 739         while (cmd_start && *cmd_start) {
 740                 /* skip all white spaces */
 741                 while (*cmd_start && isspace((guchar)*cmd_start))
 742                         cmd_start++;
 743                 cmd_end = cmd_start;
 744
 745                 /* extract a command */
 746                 while (*cmd_end && !isspace((guchar)*cmd_end))
 747                         cmd_end++;
 748
 749                 /* save character */
 750                 save_char = *cmd_end;
 751                 *cmd_end = '\0';
 752
 753                 dontmatch = FALSE;
 754                 casesens = FALSE;
 755
 756                 /* ~ and ! mean logical NOT */
 757                 if (*cmd_start == '~' || *cmd_start == '!')
 758                 {
 759                         dontmatch = TRUE;
 760                         cmd_start++;
 761                 }
 762                 /* % means case sensitive match */
 763                 if (*cmd_start == '%')
 764                 {
 765                         casesens = TRUE;
 766                         cmd_start++;
 767                 }
 768
 769                 /* find matching abbreviation */
 770                 for (i = 0; cmds[i].command; i++) {
 771                         if (!strcmp(cmd_start, cmds[i].abbreviated)) {
 772                                 /* restore character */
 773                                 *cmd_end = save_char;
 774
 775                                 /* copy command */
 776                                 if (matcherstr->len > 0) {
 777                                         g_string_append(matcherstr, " ");
 778                                 }
 779                                 if (dontmatch)
 780                                         g_string_append(matcherstr, "~");
 781                                 g_string_append(matcherstr, cmds[i].command);
 782                                 g_string_append(matcherstr, " ");
 783
 784                                 /* stop if no params required */
 785                                 if (cmds[i].numparams == 0)
 786                                         break;
 787
 788                                 /* extract a parameter, allow quotes */
 789                                 while (*cmd_end && isspace((guchar)*cmd_end))
 790                                         cmd_end++;
 791
 792                                 cmd_start = cmd_end;
 793                                 if (*cmd_start == '"') {
 794                                         term_char = '"';
 795                                         cmd_end++;
 796                                 }
 797                                 else
 798                                         term_char = ' ';
 799
 800                                 /* extract actual parameter */
 801                                 while ((*cmd_end) && (*cmd_end != term_char))
 802                                         cmd_end++;
 803
 804                                 if (*cmd_end == '"')
 805                                         cmd_end++;
 806
 807                                 save_char = *cmd_end;
 808                                 *cmd_end = '\0';
 809
 810                                 if (cmds[i].qualifier) {
 811                                         if (casesens)
 812                                                 g_string_append(matcherstr, "regexp ");
 813                                         else
 814                                                 g_string_append(matcherstr, "regexpcase ");
 815                                 }
 816
 817                                 /* do we need to add quotes ? */
 818                                 if (cmds[i].quotes && term_char != '"')
 819                                         g_string_append(matcherstr, "\"");
 820
 821                                 /* copy actual parameter */
 822                                 g_string_append(matcherstr, cmd_start);
 823
 824                                 /* do we need to add quotes ? */
 825                                 if (cmds[i].quotes && term_char != '"')
 826                                         g_string_append(matcherstr, "\"");
 827
 828                                 /* restore original character */
 829                                 *cmd_end = save_char;
 830
 831                                 break;
 832                         }
 833                 }
 834
 835                 if (*cmd_end)
 836                         cmd_end++;
 837                 cmd_start = cmd_end;
 838         }
 839
 840         g_free(copy_str);
 841
 842         /* return search string if no match is found to allow
 843            all available filtering expressions in quicksearch */
 844         if (matcherstr->len > 0) returnstr = matcherstr->str;
 845         else returnstr = g_strdup(search_string);
 846
 847         g_string_free(matcherstr, FALSE);
 848         return returnstr;
 849 }
 850
 851 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run)
 852 {
 853         quicksearch->running = run;
 854 }
 855
 856 gboolean quicksearch_is_running(QuickSearch *quicksearch)
 857 {
 858         return quicksearch->running;
 859 }
 860
 861 void quicksearch_pass_key(QuickSearch *quicksearch, guint val, GdkModifierType mod)
 862 {
 863         GtkEntry *entry = GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry);
 864         glong curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
 865         guint32 c;
 866         char *str = g_strdup(gtk_entry_get_text(entry));
 867         char *begin = str;
 868         char *end = NULL;
 869         char *new = NULL;
 870         char key[7] = "";
 871         guint char_len = 0;
 872
 873         if (gtk_editable_get_selection_bounds(GTK_EDITABLE(entry), NULL, NULL)) {
 874                 /* remove selection */
 875                 gtk_editable_delete_selection(GTK_EDITABLE(entry));
 876                 curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
 877                 /* refresh string */
 878                 g_free(str);
 879                 str = g_strdup(gtk_entry_get_text(entry));
 880                 begin = str;
 881         }
 882
 883         if (!(c = gdk_keyval_to_unicode(val))) {
 884                 g_free(str);
 885                 return;
 886         }
 887         char_len = g_unichar_to_utf8(c, key);
 888         if (char_len < 0)
 889                 return;
 890         key[char_len] = '\0';
 891         if (curpos < g_utf8_strlen(str, -1)) {
 892                 gchar *stop = g_utf8_offset_to_pointer(begin, curpos);
 893                 end = g_strdup(g_utf8_offset_to_pointer(str, curpos));
 894                 *stop = '\0';
 895                 printf("new %s %s %s\n", begin, key, end);
 896                 new = g_strdup_printf("%s%s%s", begin, key, end);
 897                 gtk_entry_set_text(entry, new);
 898                 g_free(end);
 899         } else {
 900                 new = g_strdup_printf("%s%s", begin, key);
 901                 gtk_entry_set_text(entry, new);
 902         }
 903         g_free(str);
 904         g_free(new);
 905         gtk_editable_set_position(GTK_EDITABLE(entry), curpos+1);
 906
 907 }
 908
 909 static gboolean quicksearch_match_subfolder(QuickSearch *quicksearch,
 910                                  FolderItem *src)
 911 {
 912         GSList *msglist = folder_item_get_msg_list(src);
 913         GSList *cur;
 914         gboolean result = FALSE;
 915         gint num = 0, total = src->total_msgs;
 916         statusbar_print_all(_("Searching in %s... \n"),
 917                 src->path ? src->path : "(null)");
 918         for (cur = msglist; cur != NULL; cur = cur->next) {
 919                 MsgInfo *msg = (MsgInfo *)cur->data;
 920                 statusbar_progress_all(num++,total, 50);
 921                 if (quicksearch_match(quicksearch, msg)) {
 922                         procmsg_msginfo_free(msg);
 923                         result = TRUE;
 924                         break;
 925                 }
 926                 procmsg_msginfo_free(msg);
 927                 GTK_EVENTS_FLUSH();
 928                 if (!quicksearch_is_active(quicksearch))
 929                         break;
 930         }
 931         statusbar_progress_all(0,0,0);
 932         statusbar_pop_all();
 933
 934         g_slist_free(msglist);
 935         return result;
 936 }
 937
 938 void quicksearch_search_subfolders(QuickSearch *quicksearch,
 939                                    FolderView *folderview,
 940                                    FolderItem *folder_item)
 941 {
 942         FolderItem *cur = NULL;
 943         GNode *node = folder_item->node->children;
 944
 945         if (!prefs_common.summary_quicksearch_recurse)
 946                 return;
 947
 948         for (; node != NULL; node = node->next) {
 949                 cur = FOLDER_ITEM(node->data);
 950                 if (quicksearch_match_subfolder(quicksearch, cur)) {
 951                         folderview_update_search_icon(cur, TRUE);
 952                 } else {
 953                         folderview_update_search_icon(cur, FALSE);
 954                 }
 955                 if (cur->node->children)
 956                         quicksearch_search_subfolders(quicksearch,
 957                                                       folderview,
 958                                                       cur);
 959         }
 960         quicksearch->root_folder_item = folder_item;
 961         if (!quicksearch_is_active(quicksearch))
 962                 quicksearch_reset_cur_folder_item(quicksearch);
 963 }
 964
 965 static void quicksearch_reset_folder_items(QuickSearch *quicksearch,
 966                                     FolderItem *folder_item)
 967 {
 968         FolderItem *cur = NULL;
 969         GNode *node = (folder_item && folder_item->node) ?
 970                         folder_item->node->children : NULL;
 971
 972         for (; node != NULL; node = node->next) {
 973                 cur = FOLDER_ITEM(node->data);
 974                 folderview_update_search_icon(cur, FALSE);
 975                 if (cur->node->children)
 976                         quicksearch_reset_folder_items(quicksearch,
 977                                                        cur);
 978         }
 979 }
 980
 981 void quicksearch_reset_cur_folder_item(QuickSearch *quicksearch)
 982 {
 983         if (quicksearch->root_folder_item)
 984                 quicksearch_reset_folder_items(quicksearch,
 985                                                quicksearch->root_folder_item);
 986
 987         quicksearch->root_folder_item = NULL;
 988 }