2da94e5db60c82ddb3e528bff055cb3ccd35e984
[claws.git] / src / gtk / quicksearch.c
1 /*
2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2012 Colin Leroy <colin@colino.net> 
4  * and the Claws Mail team
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program. If not, see <http://www.gnu.org/licenses/>.
18  * 
19  */
20
21 #ifdef HAVE_CONFIG_H
22 #  include "config.h"
23 #include "claws-features.h"
24 #endif
25
26 #include <glib.h>
27 #include <glib/gi18n.h>
28 #include <ctype.h>
29
30 #include <gtk/gtk.h>
31 #include <gdk/gdkkeysyms.h>
32
33 #if !GTK_CHECK_VERSION(3, 0, 0)
34 #include "gtkcmoptionmenu.h"
35 #endif
36 #include "utils.h"
37 #include "combobox.h"
38 #include "menu.h"
39 #include "prefs_common.h"
40 #include "description_window.h"
41 #include "matcher.h"
42 #include "matcher_parser.h"
43 #include "quicksearch.h"
44 #include "folderview.h"
45 #include "folder.h"
46 #include "prefs_matcher.h"
47 #include "claws.h"
48 #include "statusbar.h"
49
50 struct _QuickSearchRequest
51 {
52         QuickSearchType                  type;
53         gchar                           *matchstring;
54         gboolean                         recursive;
55 };
56 typedef struct _QuickSearchRequest QuickSearchRequest;
57
58 struct _QuickSearch
59 {
60         GtkWidget                       *hbox_search;
61         GtkWidget                       *search_type;
62 #if !GTK_CHECK_VERSION(3, 0, 0)
63         GtkWidget                       *search_type_opt;
64 #endif
65         GtkWidget                       *search_string_entry;
66         GtkWidget                       *search_condition_expression;
67         GtkWidget                       *search_description;
68         GtkWidget                       *clear_search;
69
70         gboolean                         active;
71         gchar                           *search_string;
72         MatcherList                     *matcher_list;
73
74         QuickSearchRequest              *request;
75         QuickSearchExecuteCallback       callback;
76         gpointer                         callback_data;
77         gboolean                         running;
78         gboolean                         has_focus;
79         gboolean                         matching;
80         gboolean                         deferred_free;
81         FolderItem                      *root_folder_item;
82         gboolean                         is_fast;
83         gboolean                         in_typing;
84         guint                            press_timeout_id;
85
86         GList                           *normal_search_strings;
87         GList                           *extended_search_strings;
88         
89         /* dynamic and autorun qs settings are exclusive*/
90         GtkWidget                        *dynamic_menuitem;
91         GtkWidget                        *autorun_menuitem;
92
93         gboolean                        gui;
94 };
95
96 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run);
97 static void quicksearch_set_matchstring(QuickSearch *quicksearch, const gchar *matchstring);
98 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active);
99 static void quicksearch_reset_folder_items(QuickSearch *quicksearch, FolderItem *folder_item);
100 static gchar *expand_search_string(const gchar *str);
101 static gchar *expand_tag_search_string(const gchar *str);
102
103 static gboolean quicksearch_from_gui(QuickSearch *quicksearch)
104 {
105         return quicksearch->gui;
106 }
107
108 gboolean quicksearch_is_fast(QuickSearch *quicksearch)
109 {
110         return quicksearch->is_fast;
111 }
112
113 void quicksearch_set_recursive(QuickSearch *quicksearch, gboolean recursive)
114 {
115         quicksearch->request->recursive = recursive;
116 }
117
118 static void quicksearch_set_type(QuickSearch *quicksearch, gint type)
119 {
120 #if !GTK_CHECK_VERSION(3, 0, 0)
121         gint index;
122         quicksearch->request->type = type;
123         if (quicksearch->gui == FALSE)
124                 return;
125         index = menu_find_option_menu_index(GTK_CMOPTION_MENU(quicksearch->search_type_opt), 
126                                         GINT_TO_POINTER(type),
127                                         NULL);
128         gtk_cmoption_menu_set_history(GTK_CMOPTION_MENU(quicksearch->search_type_opt), index);  
129 #endif
130 }
131
132 static gchar *quicksearch_get_text(QuickSearch * quicksearch)
133 {
134         gchar *search_string = gtk_editable_get_chars(GTK_EDITABLE(gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry)))), 0, -1);
135
136         g_strstrip(search_string);
137         return search_string;
138 }
139
140 static void quicksearch_set_popdown_strings(QuickSearch *quicksearch)
141 {
142         GtkWidget *search_string_entry = quicksearch->search_string_entry;
143
144         combobox_unset_popdown_strings(GTK_COMBO_BOX(search_string_entry));
145
146         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED)
147                 combobox_set_popdown_strings(GTK_COMBO_BOX(search_string_entry),
148                         quicksearch->extended_search_strings);  
149         else
150                 combobox_set_popdown_strings(GTK_COMBO_BOX(search_string_entry),
151                         quicksearch->normal_search_strings);
152 }
153
154 static void prepare_matcher(QuickSearch *quicksearch)
155 {
156         /* param search_string is "matchstring" */
157         const gchar *search_string;
158         QuickSearchType quicksearch_type;
159
160         if (quicksearch == NULL)
161                 return;
162
163         /* When called from the GUI, reset type and matchstring */
164         if (quicksearch_from_gui(quicksearch)) {
165                 gchar *s = quicksearch_get_text(quicksearch);
166                 quicksearch_set_matchstring(quicksearch, s);
167                 g_free(s);
168                 quicksearch->request->type = prefs_common.summary_quicksearch_type;
169         }
170         quicksearch_type = quicksearch->request->type;
171         search_string = quicksearch->request->matchstring;
172
173         if (search_string == NULL || search_string[0] == '\0') {
174                 quicksearch_set_active(quicksearch, FALSE);
175         }
176
177         if (quicksearch->matcher_list != NULL) {
178                 if (quicksearch->matching) {
179                         quicksearch->deferred_free = TRUE;
180                         return;
181                 }
182                 quicksearch->deferred_free = FALSE;
183                 matcherlist_free(quicksearch->matcher_list);
184                 quicksearch->matcher_list = NULL;
185         }
186
187         if (search_string == NULL || search_string[0] == '\0') {
188                 return;
189         }
190         if (quicksearch_type == QUICK_SEARCH_EXTENDED) {
191                 char *newstr = NULL;
192
193                 newstr = expand_search_string(search_string);
194                 if (newstr && newstr[0] != '\0') {
195                         quicksearch->matcher_list = matcher_parser_get_cond(newstr, &quicksearch->is_fast);
196                         g_free(newstr);
197                 } else {
198                         quicksearch->matcher_list = NULL;
199                         quicksearch_set_active(quicksearch, FALSE);
200                         return;
201                 }
202         } else if (quicksearch_type == QUICK_SEARCH_TAG) {
203                 char *newstr = expand_tag_search_string(search_string);
204                 quicksearch->matcher_list = matcher_parser_get_cond(newstr, &quicksearch->is_fast);
205                 g_free(newstr);
206         } else if (quicksearch_type == QUICK_SEARCH_MIXED) {
207                 char *newstr = expand_tag_search_string(search_string);
208                 quicksearch->matcher_list = matcher_parser_get_cond(newstr, &quicksearch->is_fast);
209                 g_free(newstr);
210                 g_free(quicksearch->search_string);
211                 quicksearch->search_string = g_utf8_casefold(search_string, -1);
212         } else {
213                 quicksearch->is_fast = TRUE;
214                 g_free(quicksearch->search_string);
215                 quicksearch->search_string = g_utf8_casefold(search_string, -1);
216         }
217         quicksearch_set_active(quicksearch, TRUE);
218 }
219
220 static void update_extended_buttons (QuickSearch *quicksearch)
221 {
222         GtkWidget *expr_btn = quicksearch->search_condition_expression;
223         GtkWidget *ext_btn = quicksearch->search_description;
224
225         cm_return_if_fail(expr_btn != NULL);
226         cm_return_if_fail(ext_btn != NULL);
227
228         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
229                 gtk_widget_show(expr_btn);
230                 gtk_widget_show(ext_btn);
231         } else {
232                 gtk_widget_hide(expr_btn);
233                 gtk_widget_hide(ext_btn);
234         }
235 }
236
237 static gboolean searchbar_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
238                                   QuickSearch *qs)
239 {
240         qs->has_focus = TRUE;
241         return FALSE;
242 }
243
244 static gboolean searchbar_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
245                                   QuickSearch *qs)
246 {
247         qs->has_focus = FALSE;
248         qs->in_typing = FALSE;
249         return FALSE;
250 }
251
252 gboolean quicksearch_has_focus(QuickSearch *quicksearch)
253 {
254         return quicksearch->has_focus;
255 }
256
257 static void searchbar_run(QuickSearch *quicksearch, gboolean run_only_if_fast)
258 {
259         gchar *search_string = quicksearch_get_text(quicksearch);
260         quicksearch_set_matchstring(quicksearch, search_string);
261         prepare_matcher(quicksearch);
262
263         /* add to history, for extended search add only correct matching rules */
264         if (!quicksearch->in_typing && search_string && strlen(search_string) != 0) {
265                 switch (prefs_common.summary_quicksearch_type) {
266                         case QUICK_SEARCH_EXTENDED:
267                                 if (quicksearch->matcher_list) {
268                                         quicksearch->extended_search_strings =
269                                                 add_history(quicksearch->extended_search_strings,
270                                                                 g_strdup(search_string));
271                                         prefs_common.summary_quicksearch_history =
272                                                 add_history(prefs_common.summary_quicksearch_history,
273                                                                 g_strdup(search_string));
274                                 }
275                                 break;
276                         default:
277                                 quicksearch->normal_search_strings =
278                                         add_history(quicksearch->normal_search_strings,
279                                                         g_strdup(search_string));               
280                                 prefs_common.summary_quicksearch_history =
281                                         add_history(prefs_common.summary_quicksearch_history,
282                                                         g_strdup(search_string));
283                                 break;
284                 }
285
286                 quicksearch_set_popdown_strings(quicksearch);
287
288         }
289
290         if (run_only_if_fast && !quicksearch->is_fast) {
291                 g_free(search_string);
292                 return;
293         }
294         if (quicksearch->matcher_list == NULL && 
295             prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED &&
296             search_string && strlen(search_string) != 0) {
297                 g_free(search_string);
298                 return;
299         }
300         quicksearch_set_running(quicksearch, TRUE);
301         if (quicksearch->callback != NULL)
302                 quicksearch->callback(quicksearch, quicksearch->callback_data);
303         quicksearch_set_running(quicksearch, FALSE);
304         g_free(search_string);
305 }
306
307 static int searchbar_changed_timeout(void *data)
308 {
309         QuickSearch *qs = (QuickSearch *)data;
310         if (qs && prefs_common.summary_quicksearch_dynamic) {
311                 qs->in_typing = TRUE;
312                 searchbar_run(qs, TRUE);
313         }
314         return FALSE;
315 }
316
317 static void searchbar_changed_cb(GtkWidget *widget, QuickSearch *qs)
318 {
319         if (!qs->has_focus && prefs_common.summary_quicksearch_autorun) {
320                 gtk_widget_grab_focus(qs->search_string_entry);
321                 searchbar_run(qs, TRUE);
322                 return;
323         }
324
325         if (prefs_common.summary_quicksearch_dynamic) {
326                 if (qs->press_timeout_id != -1) {
327                         g_source_remove(qs->press_timeout_id);
328                 }
329                 qs->press_timeout_id = g_timeout_add(500,
330                                 searchbar_changed_timeout, qs);
331         }
332
333         if (!qs->has_focus)
334                 gtk_widget_grab_focus(qs->search_string_entry);
335 }
336
337 static gboolean searchbar_pressed(GtkWidget *widget, GdkEventKey *event,
338                                   QuickSearch *quicksearch)
339 {
340         if (event && (event->keyval == GDK_KEY_Escape)) {
341                 gchar *str;
342
343                 quicksearch->in_typing = FALSE;
344
345                 str = quicksearch_get_text(quicksearch);
346                 cm_return_val_if_fail(str != NULL, TRUE);
347
348                 /* If the string entry is empty -> hide quicksearch bar. If not -> empty it */
349                 if (!*str) {
350                         summaryview_activate_quicksearch(
351                                 mainwindow_get_mainwindow()->summaryview, 
352                                 FALSE);
353                 } else {
354                         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
355                         gtk_widget_grab_focus(
356                                         mainwindow_get_mainwindow()->summaryview->ctree);
357                 }
358                 g_free(str);
359                 return TRUE;
360         }
361
362         if (event != NULL && (event->keyval == GDK_KEY_Return || event->keyval == GDK_KEY_KP_Enter)) {
363                 if (quicksearch->press_timeout_id != -1) {
364                         g_source_remove(quicksearch->press_timeout_id);
365                         quicksearch->press_timeout_id = -1;
366                 }
367                 quicksearch->in_typing = FALSE;
368                 /* add expression to history list and exec quicksearch */
369                 searchbar_run(quicksearch, FALSE);
370
371                 g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
372                 return TRUE;
373         }
374
375         if (event && (event->keyval == GDK_KEY_Down || event->keyval == GDK_KEY_Up)) {
376                 combobox_set_value_from_arrow_key(
377                                 GTK_COMBO_BOX(quicksearch->search_string_entry),
378                                 event->keyval);
379                 return TRUE;
380         }
381
382         return FALSE;
383 }
384
385 static gboolean searchtype_changed(GtkMenuItem *widget, gpointer data)
386 {
387         QuickSearch *quicksearch = (QuickSearch *)data;
388         gchar *search_string = quicksearch_get_text(quicksearch);
389         quicksearch_set_matchstring(quicksearch, search_string);
390
391         prefs_common.summary_quicksearch_type = GPOINTER_TO_INT(g_object_get_data(
392                                    G_OBJECT(GTK_MENU_ITEM(gtk_menu_get_active(
393                                    GTK_MENU(quicksearch->search_type)))), MENU_VAL_ID));
394
395         /* Show extended search description button, only when Extended is selected */
396         update_extended_buttons(quicksearch);
397         quicksearch_set_popdown_strings(quicksearch);
398
399         if (!search_string || *(search_string) == 0) {
400                 g_free(search_string);
401                 return TRUE;
402         }
403
404         prepare_matcher(quicksearch);
405
406         quicksearch_set_running(quicksearch, TRUE);
407         if (quicksearch->callback != NULL)
408                 quicksearch->callback(quicksearch, quicksearch->callback_data);
409         quicksearch_set_running(quicksearch, FALSE);
410         g_free(search_string);
411         return TRUE;
412 }
413
414 static gboolean searchtype_recursive_changed(GtkMenuItem *widget, gpointer data)
415 {
416         QuickSearch *quicksearch = (QuickSearch *)data;
417         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
418         gchar *search_string = quicksearch_get_text(quicksearch);
419         /* not needed to quicksearch_set_matchstring(search_string);
420            wait for prepare_matcher() */
421
422         prefs_common.summary_quicksearch_recurse = checked;
423         quicksearch_set_recursive(quicksearch, checked);
424
425         /* reselect the search type */
426         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
427
428         if (!search_string || *(search_string) == 0) {
429                 g_free(search_string);
430                 return TRUE;
431         }
432
433         prepare_matcher(quicksearch);
434
435         quicksearch_set_running(quicksearch, TRUE);
436         if (quicksearch->callback != NULL)
437                 quicksearch->callback(quicksearch, quicksearch->callback_data);
438         quicksearch_set_running(quicksearch, FALSE);
439         g_free(search_string);
440         return TRUE;
441 }
442
443 static gboolean searchtype_sticky_changed(GtkMenuItem *widget, gpointer data)
444 {
445         QuickSearch *quicksearch = (QuickSearch *)data;
446         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
447
448         prefs_common.summary_quicksearch_sticky = checked;
449
450         /* reselect the search type */
451         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
452
453         return TRUE;
454 }
455
456 static gboolean searchtype_dynamic_changed(GtkMenuItem *widget, gpointer data)
457 {
458         QuickSearch *quicksearch = (QuickSearch *)data;
459         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
460
461         prefs_common.summary_quicksearch_dynamic = checked;
462         if (checked)
463                 gtk_check_menu_item_set_active(
464                                 GTK_CHECK_MENU_ITEM(quicksearch->autorun_menuitem),
465                                 FALSE);
466
467         /* reselect the search type */
468         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
469
470         return TRUE;
471 }
472
473 static gboolean searchtype_autorun_changed(GtkMenuItem *widget, gpointer data)
474 {
475         QuickSearch *quicksearch = (QuickSearch *)data;
476         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
477
478         prefs_common.summary_quicksearch_autorun = checked;
479         if (checked)
480                 gtk_check_menu_item_set_active(
481                                 GTK_CHECK_MENU_ITEM(quicksearch->dynamic_menuitem),
482                                 FALSE);
483
484         /* reselect the search type */
485         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
486
487         return TRUE;
488 }
489
490 /*
491  * Strings describing how to use Extended Search
492  *
493  * When adding new lines, remember to put 2 strings for each line
494  */
495 static gchar *search_descr_strings[] = {
496         "a",     N_("all messages"),
497         "ag #",  N_("messages whose age is greater than #"),
498         "al #",  N_("messages whose age is less than #"),
499         "b S",   N_("messages which contain S in the message body"),
500         "B S",   N_("messages which contain S in the whole message"),
501         "c S",   N_("messages carbon-copied to S"),
502         "C S",   N_("message is either to: or cc: to S"),
503         "D",     N_("deleted messages"), /** how I can filter deleted messages **/
504         "e S",   N_("messages which contain S in the Sender field"),
505         "E S",   N_("true if execute \"S\" succeeds"),
506         "f S",   N_("messages originating from user S"),
507         "F",     N_("forwarded messages"),
508         "ha",    N_("messages which have attachments"),
509         "h S",   N_("messages which contain header S"),
510         "i S",   N_("messages which contain S in Message-ID header"),
511         "I S",   N_("messages which contain S in In-Reply-To header"),
512         "k #",   N_("messages which are marked with color #"),
513         "L",     N_("locked messages"),
514         "n S",   N_("messages which are in newsgroup S"),
515         "N",     N_("new messages"),
516         "O",     N_("old messages"),
517         "p",     N_("incomplete messages (not entirely downloaded)"),
518         "r",     N_("messages which have been replied to"),
519         "R",     N_("read messages"),
520         "s S",   N_("messages which contain S in subject"),
521         "se #",  N_("messages whose score is equal to #"),
522         "sg #",  N_("messages whose score is greater than #"),
523         "sl #",  N_("messages whose score is lower than #"),
524         "Se #",  N_("messages whose size is equal to #"),
525         "Sg #",  N_("messages whose size is greater than #"),
526         "Ss #",  N_("messages whose size is smaller than #"),
527         "t S",   N_("messages which have been sent to S"),
528         "tg S",  N_("messages which tags contain S"),
529         "tagged",N_("messages which have tag(s)"),
530         "T",     N_("marked messages"),
531         "U",     N_("unread messages"),
532         "x S",   N_("messages which contain S in References header"),
533         "X \"cmd args\"", N_("messages returning 0 when passed to command - %F is message file"),
534         "y S",   N_("messages which contain S in X-Label header"),
535         "",      "" ,
536         "&amp;",         N_("logical AND operator"),
537         "|",     N_("logical OR operator"),
538         "! or ~",       N_("logical NOT operator"),
539         "%",     N_("case sensitive search"),
540         "",      "" ,
541         " ",     N_("all filtering expressions are allowed"),
542         NULL,    NULL
543 };
544
545 static DescriptionWindow search_descr = {
546         NULL,
547         NULL,
548         2,
549         N_("Extended Search"),
550         N_("Extended Search allows the user to define criteria that messages must "
551            "have in order to match and be displayed in the message list.\n"
552            "The following symbols can be used:"),
553         search_descr_strings
554 };
555
556 static void search_description_cb(GtkWidget *widget)
557 {
558         description_window_create(&search_descr);
559 };
560
561 static gboolean clear_search_cb(GtkMenuItem *widget, gpointer data)
562 {
563         QuickSearch *quicksearch = (QuickSearch *)data;
564
565         if (!quicksearch->active)
566                 return TRUE;
567
568         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
569
570         return TRUE;
571 };
572
573 static void search_condition_expr_done(MatcherList * matchers)
574 {
575         gchar *str;
576
577         cm_return_if_fail(
578                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL);
579
580         if (matchers == NULL)
581                 return;
582
583         str = matcherlist_to_string(matchers);
584
585         if (str != NULL) {
586                 quicksearch_set(mainwindow_get_mainwindow()->summaryview->quicksearch,
587                                 prefs_common.summary_quicksearch_type, str);
588                 g_free(str);
589
590                 /* add expression to history list and exec quicksearch */
591                 searchbar_run(mainwindow_get_mainwindow()->summaryview->quicksearch, FALSE);
592         }
593 }
594
595 static gboolean search_condition_expr(GtkMenuItem *widget, gpointer data)
596 {
597         gchar * cond_str;
598         MatcherList * matchers = NULL;
599         
600         cm_return_val_if_fail(
601                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL,
602                         FALSE);
603
604         /* re-use the current quicksearch value if it's a condition expression,
605            otherwise ignore it silently */
606         cond_str = quicksearch_get_text(mainwindow_get_mainwindow()->summaryview->quicksearch);
607
608         if (*cond_str != '\0') {
609                 matchers = matcher_parser_get_cond((gchar*)cond_str, NULL);
610         }
611
612         prefs_matcher_open(matchers, search_condition_expr_done);
613
614         if (matchers != NULL)
615                 matcherlist_free(matchers);
616
617         g_free(cond_str);
618
619         return TRUE;
620 };
621
622 static void quicksearch_set_button(GtkButton *button, const gchar *icon, const gchar *text)
623 {
624         GList *children = gtk_container_get_children(GTK_CONTAINER(button));
625         GList *cur;
626         GtkWidget *box;
627         gboolean icon_visible;
628
629         g_object_get(gtk_settings_get_default(), 
630                                          "gtk-button-images", &icon_visible, 
631                                          NULL);
632
633         for (cur = children; cur; cur = cur->next)
634                 gtk_container_remove(GTK_CONTAINER(button), GTK_WIDGET(cur->data));
635         
636         g_list_free(children);
637         box = gtk_hbox_new(FALSE, 0);
638         
639         gtk_container_add(GTK_CONTAINER(button), box);
640         if (icon_visible || !text || !*text)
641                 gtk_box_pack_start(GTK_BOX(box), gtk_image_new_from_stock(icon, 
642                         GTK_ICON_SIZE_BUTTON), FALSE, FALSE, 0);
643         gtk_box_pack_start(GTK_BOX(box), gtk_label_new_with_mnemonic(text), FALSE, FALSE, 0);
644         gtk_widget_show_all(box);
645 }
646
647 /*
648  * Builds a new QuickSearchRequest
649  */
650 static QuickSearchRequest *quicksearchrequest_new(void)
651 {
652         QuickSearchRequest *request;
653         request = g_new0(QuickSearchRequest, 1);
654         return request;
655 }
656
657 /*
658  * Builds a new QuickSearch object independent from the GUI
659  */
660 QuickSearch *quicksearch_new_nogui(void)
661 {
662         QuickSearch *quicksearch;
663         QuickSearchRequest *request;
664
665         request = quicksearchrequest_new();
666         quicksearch = g_new0(QuickSearch, 1);
667         quicksearch->request = request;
668         quicksearch->gui = FALSE;
669
670         /* init. values initally found in quicksearch_new().
671            There's no need to init. all pointers to NULL since we use g_new0
672          */
673         quicksearch->matcher_list = NULL;
674         quicksearch->active = FALSE;
675         quicksearch->running = FALSE;
676         quicksearch->in_typing = FALSE;
677         quicksearch->press_timeout_id = -1;
678         quicksearch->normal_search_strings = NULL;
679         quicksearch->extended_search_strings = NULL;
680
681         return quicksearch;
682 }
683
684 QuickSearch *quicksearch_new()
685 {
686         QuickSearch *quicksearch;
687
688         GtkWidget *hbox_search;
689 #if !GTK_CHECK_VERSION(3, 0, 0)
690         GtkWidget *search_type_opt;
691 #endif
692         GtkWidget *search_type;
693         GtkWidget *search_string_entry;
694         GtkWidget *search_hbox;
695         GtkWidget *search_description;
696         GtkWidget *clear_search;
697         GtkWidget *search_condition_expression;
698         GtkWidget *menuitem;
699         GtkWidget *vbox;
700
701         quicksearch = quicksearch_new_nogui();
702         quicksearch->gui = TRUE;
703
704         /* quick search */
705         hbox_search = gtk_hbox_new(FALSE, 0);
706
707 #if !GTK_CHECK_VERSION(3, 0, 0)
708         search_type_opt = gtk_cmoption_menu_new();
709         gtk_widget_show(search_type_opt);
710         gtk_box_pack_start(GTK_BOX(hbox_search), search_type_opt, FALSE, FALSE, 0);
711 #endif
712
713         search_type = gtk_menu_new();
714         MENUITEM_ADD (search_type, menuitem,
715                         prefs_common_translated_header_name("Subject"), QUICK_SEARCH_SUBJECT);
716         g_signal_connect(G_OBJECT(menuitem), "activate",
717                          G_CALLBACK(searchtype_changed),
718                          quicksearch);
719         MENUITEM_ADD (search_type, menuitem,
720                         prefs_common_translated_header_name("From"), QUICK_SEARCH_FROM);
721         g_signal_connect(G_OBJECT(menuitem), "activate",
722                          G_CALLBACK(searchtype_changed),
723                          quicksearch);
724         MENUITEM_ADD (search_type, menuitem,
725                         prefs_common_translated_header_name("To"), QUICK_SEARCH_TO);
726         g_signal_connect(G_OBJECT(menuitem), "activate",
727                          G_CALLBACK(searchtype_changed),
728                          quicksearch);
729         MENUITEM_ADD (search_type, menuitem,
730                         prefs_common_translated_header_name("Tag"), QUICK_SEARCH_TAG);
731         g_signal_connect(G_OBJECT(menuitem), "activate",
732                          G_CALLBACK(searchtype_changed),
733                          quicksearch);
734         MENUITEM_ADD (search_type, menuitem,
735                         _("From/To/Subject/Tag"), QUICK_SEARCH_MIXED);
736         g_signal_connect(G_OBJECT(menuitem), "activate",
737                          G_CALLBACK(searchtype_changed),
738                          quicksearch);
739         MENUITEM_ADD (search_type, menuitem, _("Extended"), QUICK_SEARCH_EXTENDED);
740         g_signal_connect(G_OBJECT(menuitem), "activate",
741                          G_CALLBACK(searchtype_changed),
742                          quicksearch);
743
744         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), gtk_separator_menu_item_new());
745
746         menuitem = gtk_check_menu_item_new_with_label(_("Recursive"));
747         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
748
749         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
750                                         prefs_common.summary_quicksearch_recurse);
751         quicksearch_set_recursive(quicksearch, prefs_common.summary_quicksearch_recurse);
752         g_signal_connect(G_OBJECT(menuitem), "activate",
753                          G_CALLBACK(searchtype_recursive_changed),
754                          quicksearch);
755
756         menuitem = gtk_check_menu_item_new_with_label(_("Sticky"));
757         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
758
759         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
760                                         prefs_common.summary_quicksearch_sticky);
761
762         g_signal_connect(G_OBJECT(menuitem), "activate",
763                          G_CALLBACK(searchtype_sticky_changed),
764                          quicksearch);
765
766         menuitem = gtk_check_menu_item_new_with_label(_("Type-ahead"));
767         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
768
769         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
770                                         prefs_common.summary_quicksearch_dynamic);
771
772         quicksearch->dynamic_menuitem = menuitem;
773
774         g_signal_connect(G_OBJECT(menuitem), "activate",
775                          G_CALLBACK(searchtype_dynamic_changed),
776                          quicksearch);
777
778         menuitem = gtk_check_menu_item_new_with_label(_("Run on select"));
779         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
780
781         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
782                                         prefs_common.summary_quicksearch_autorun);
783
784         quicksearch->autorun_menuitem = menuitem;
785
786         g_signal_connect(G_OBJECT(menuitem), "activate",
787                          G_CALLBACK(searchtype_autorun_changed),
788                          quicksearch);
789
790 #if !GTK_CHECK_VERSION(3, 0, 0)
791         gtk_cmoption_menu_set_menu(GTK_CMOPTION_MENU(search_type_opt), search_type);
792
793         quicksearch->search_type_opt = search_type_opt;
794 #endif
795         quicksearch_set_type(quicksearch, prefs_common.summary_quicksearch_type);
796
797         gtk_widget_show(search_type);
798
799         search_string_entry = gtk_combo_box_entry_new_text ();
800         gtk_combo_box_set_active(GTK_COMBO_BOX(search_string_entry), -1);
801
802         vbox = gtk_vbox_new(TRUE, 0);
803         gtk_box_pack_start(GTK_BOX(vbox), search_string_entry, FALSE, FALSE, 0);
804         gtk_box_pack_start(GTK_BOX(hbox_search), vbox, TRUE, TRUE, 4);
805
806         gtk_widget_show(vbox);
807         gtk_widget_show(search_string_entry);
808
809         search_hbox = gtk_hbox_new(FALSE, 5);
810         clear_search = gtk_button_new_from_stock(GTK_STOCK_CLEAR);
811         gtk_box_pack_start(GTK_BOX(search_hbox), clear_search,
812                            FALSE, FALSE, 0);
813         g_signal_connect(G_OBJECT(clear_search), "clicked",
814                          G_CALLBACK(clear_search_cb), quicksearch);
815         CLAWS_SET_TIP(clear_search,
816                              _("Clear the current search"));
817         gtk_widget_show(clear_search);
818
819         search_condition_expression = gtk_button_new_from_stock(GTK_STOCK_EDIT);
820         gtk_box_pack_start(GTK_BOX(search_hbox), search_condition_expression,
821                            FALSE, FALSE, 0);
822         g_signal_connect(G_OBJECT (search_condition_expression), "clicked",
823                          G_CALLBACK(search_condition_expr),
824                          quicksearch);
825         CLAWS_SET_TIP(search_condition_expression,
826                              _("Edit search criteria"));
827         gtk_widget_show(search_condition_expression);
828
829         search_description = gtk_button_new_from_stock(GTK_STOCK_INFO);
830         gtk_box_pack_start(GTK_BOX(search_hbox), search_description,
831                            FALSE, FALSE, 0);
832         g_signal_connect(G_OBJECT(search_description), "clicked",
833                          G_CALLBACK(search_description_cb), NULL);
834         CLAWS_SET_TIP(search_description,
835                              _("Information about extended symbols"));
836         gtk_widget_show(search_description);
837
838         gtk_box_pack_start(GTK_BOX(hbox_search), search_hbox, FALSE, FALSE, 2);
839         gtk_widget_show(search_hbox);
840
841         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((search_string_entry)))),
842                            "key_press_event",
843                            G_CALLBACK(searchbar_pressed),
844                            quicksearch);
845
846         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((search_string_entry)))),
847                          "changed",
848                          G_CALLBACK(searchbar_changed_cb),
849                          quicksearch);
850
851         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((search_string_entry)))),
852                          "focus_in_event",
853                          G_CALLBACK(searchbar_focus_evt_in),
854                          quicksearch);
855         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((search_string_entry)))),
856                          "focus_out_event",
857                          G_CALLBACK(searchbar_focus_evt_out),
858                          quicksearch);
859
860         quicksearch->hbox_search = hbox_search;
861         quicksearch->search_type = search_type;
862         quicksearch->search_string_entry = search_string_entry;
863         quicksearch->search_condition_expression = search_condition_expression;
864         quicksearch->search_description = search_description;
865         quicksearch->matcher_list = NULL;
866         quicksearch->active = FALSE;
867         quicksearch->running = FALSE;
868         quicksearch->clear_search = clear_search;
869         quicksearch->in_typing = FALSE;
870         quicksearch->press_timeout_id = -1;
871         quicksearch->normal_search_strings = NULL;
872         quicksearch->extended_search_strings = NULL;
873
874         quicksearch_set_button(GTK_BUTTON(quicksearch->search_description), GTK_STOCK_INFO, _("_Information"));
875         quicksearch_set_button(GTK_BUTTON(quicksearch->search_condition_expression), GTK_STOCK_EDIT, _("_Edit"));
876         quicksearch_set_button(GTK_BUTTON(quicksearch->clear_search), GTK_STOCK_CLEAR, _("C_lear"));
877         
878         update_extended_buttons(quicksearch);
879
880         return quicksearch;
881 }
882
883 void quicksearch_relayout(QuickSearch *quicksearch)
884 {
885         switch (prefs_common.layout_mode) {
886         case NORMAL_LAYOUT:
887         case WIDE_LAYOUT:
888         case WIDE_MSGLIST_LAYOUT:
889                 quicksearch_set_button(GTK_BUTTON(quicksearch->search_description), GTK_STOCK_INFO, _("_Information"));
890                 quicksearch_set_button(GTK_BUTTON(quicksearch->search_condition_expression), GTK_STOCK_EDIT, _("_Edit"));
891                 quicksearch_set_button(GTK_BUTTON(quicksearch->clear_search), GTK_STOCK_CLEAR, _("C_lear"));
892                 break;
893         case SMALL_LAYOUT:
894         case VERTICAL_LAYOUT:
895                 quicksearch_set_button(GTK_BUTTON(quicksearch->search_description), GTK_STOCK_INFO, "");
896                 quicksearch_set_button(GTK_BUTTON(quicksearch->search_condition_expression), GTK_STOCK_EDIT, "");
897                 quicksearch_set_button(GTK_BUTTON(quicksearch->clear_search), GTK_STOCK_CLEAR, "");
898                 break;
899         }
900 }
901
902 GtkWidget *quicksearch_get_widget(QuickSearch *quicksearch)
903 {
904         return quicksearch->hbox_search;
905 }
906
907 void quicksearch_show(QuickSearch *quicksearch)
908 {
909         MainWindow *mainwin = mainwindow_get_mainwindow();
910         GtkWidget *ctree = NULL;
911         prepare_matcher(quicksearch);
912         gtk_widget_show(quicksearch->hbox_search);
913         update_extended_buttons(quicksearch);
914         gtk_widget_grab_focus(
915                 GTK_WIDGET(gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry)))));
916
917         GTK_EVENTS_FLUSH();
918
919         if (!mainwin || !mainwin->summaryview) {
920                 return;
921         }
922         
923         ctree = summary_get_main_widget(mainwin->summaryview);
924         
925         if (ctree && mainwin->summaryview->selected)
926                 gtk_cmctree_node_moveto(GTK_CMCTREE(ctree), 
927                                 mainwin->summaryview->selected, 
928                                 0, 0.5, 0);
929 }
930
931 void quicksearch_hide(QuickSearch *quicksearch)
932 {
933         if (quicksearch_is_active(quicksearch)) {
934                 quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
935                 quicksearch_set_active(quicksearch, FALSE);
936         }
937         gtk_widget_hide(quicksearch->hbox_search);
938 }
939
940 /*
941  *\brief        Sets the matchstring.
942  *
943  *\param        quicksearch quicksearch to set
944  *\param        matchstring the match string; it is duplicated, not stored
945  */
946 static void quicksearch_set_matchstring(QuickSearch *quicksearch,
947                                         const gchar *matchstring)
948 {
949         g_free(quicksearch->request->matchstring);
950         quicksearch->request->matchstring = g_strdup(matchstring);
951 }
952
953 void quicksearch_set(QuickSearch *quicksearch, QuickSearchType type,
954                      const gchar *matchstring)
955 {
956         quicksearch_set_type(quicksearch, type);
957
958         if (!matchstring || !(*matchstring))
959                 quicksearch->in_typing = FALSE;
960
961         quicksearch_set_matchstring(quicksearch, matchstring);
962
963         if (!quicksearch_from_gui(quicksearch)) {
964                 prepare_matcher(quicksearch);
965                 /* no callback */
966                 return;
967         }
968                 
969         g_signal_handlers_block_by_func(G_OBJECT(gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry)))),
970                                         G_CALLBACK(searchbar_changed_cb), quicksearch);
971         gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry)))),
972                            matchstring);
973         g_signal_handlers_unblock_by_func(G_OBJECT(gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry)))),
974                                           G_CALLBACK(searchbar_changed_cb), quicksearch);
975
976         prefs_common.summary_quicksearch_type = type;
977
978         prepare_matcher(quicksearch);
979
980         quicksearch_set_running(quicksearch, TRUE);
981         if (quicksearch->callback != NULL)
982                 quicksearch->callback(quicksearch, quicksearch->callback_data);
983         quicksearch_set_running(quicksearch, FALSE);
984 }
985
986 gboolean quicksearch_is_active(QuickSearch *quicksearch)
987 {
988         return quicksearch->active && 
989                 (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED
990                  || quicksearch->matcher_list != NULL);
991 }
992
993 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active)
994 {
995 #if !GTK_CHECK_VERSION(3, 0, 0)
996         static GdkColor yellow;
997         static GdkColor red;
998         static GdkColor black;
999         static gboolean colors_initialised = FALSE;
1000 #else
1001         static GdkColor yellow = { (guint32)0, (guint16)0xf5, (guint16)0xf6, (guint16)0xbe };
1002         static GdkColor red = { (guint32)0, (guint16)0xff, (guint16)0x70, (guint16)0x70 };
1003         static GdkColor black = { (guint32)0, (guint16)0x0, (guint16)0x0, (guint16)0x0 };
1004 #endif
1005         gboolean error = FALSE;
1006
1007         
1008         quicksearch->active = active;
1009         if (quicksearch->gui == FALSE)
1010                 return;
1011
1012 #if !GTK_CHECK_VERSION(3, 0, 0)
1013         if (!colors_initialised) {
1014                 gdk_color_parse("#f5f6be", &yellow);
1015                 gdk_color_parse("#000000", &black);
1016                 gdk_color_parse("#ff7070", &red);
1017                 colors_initialised = gdk_colormap_alloc_color(
1018                         gdk_colormap_get_system(), &yellow, FALSE, TRUE);
1019                 colors_initialised &= gdk_colormap_alloc_color(
1020                         gdk_colormap_get_system(), &black, FALSE, TRUE);
1021                 colors_initialised &= gdk_colormap_alloc_color(
1022                         gdk_colormap_get_system(), &red, FALSE, TRUE);
1023         }
1024 #endif
1025
1026         if (active && 
1027                 (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED
1028                  && quicksearch->matcher_list == NULL))
1029                 error = TRUE;
1030
1031         if (active) {
1032                 gtk_widget_set_sensitive(quicksearch->clear_search, TRUE);
1033 #if !GTK_CHECK_VERSION(3, 0, 0)
1034                 if (colors_initialised) {
1035 #endif
1036                         gtk_widget_modify_base(
1037                                 gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry))),
1038                                 GTK_STATE_NORMAL, error ? &red : &yellow);
1039                         gtk_widget_modify_text(
1040                                 gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry))),
1041                                 GTK_STATE_NORMAL, &black);
1042 #if !GTK_CHECK_VERSION(3, 0, 0)
1043                 }
1044 #endif
1045         } else {
1046                 gtk_widget_set_sensitive(quicksearch->clear_search, FALSE);
1047                 if (colors_initialised) {
1048                         gtk_widget_modify_base(
1049                                 gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry))),
1050                                 GTK_STATE_NORMAL, NULL);
1051                         gtk_widget_modify_text(
1052                                 gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry))),
1053                                 GTK_STATE_NORMAL, NULL);
1054 #if !GTK_CHECK_VERSION(3, 0, 0)
1055                 }
1056 #endif
1057         }
1058
1059         if (!active) {
1060                 quicksearch_reset_cur_folder_item(quicksearch);
1061         }
1062 }
1063
1064 void quicksearch_set_execute_callback(QuickSearch *quicksearch,
1065                                       QuickSearchExecuteCallback callback,
1066                                       gpointer data)
1067 {
1068         quicksearch->callback = callback;
1069         quicksearch->callback_data = data;
1070 }
1071
1072 gboolean quicksearch_match(QuickSearch *quicksearch, MsgInfo *msginfo)
1073 {
1074         gchar *searched_header = NULL;
1075         gboolean result = FALSE;
1076         gchar *to = NULL, *from = NULL, *subject = NULL;
1077         QuickSearchType quicksearch_type;
1078
1079         if (!quicksearch->active)
1080                 return TRUE;
1081
1082         quicksearch_type = quicksearch->request->type;
1083
1084         switch (quicksearch_type) {
1085         case QUICK_SEARCH_SUBJECT:
1086                 if (msginfo->subject)
1087                         searched_header = g_utf8_casefold(msginfo->subject, -1);
1088                 else
1089                         return FALSE;
1090                 break;
1091         case QUICK_SEARCH_FROM:
1092                 if (msginfo->from)
1093                         searched_header = g_utf8_casefold(msginfo->from, -1);
1094                 else
1095                         return FALSE;
1096                 break;
1097         case QUICK_SEARCH_TO:
1098                 if (msginfo->to)
1099                         searched_header = g_utf8_casefold(msginfo->to, -1);
1100                 else
1101                         return FALSE;
1102                 break;
1103         case QUICK_SEARCH_MIXED:
1104                 if (msginfo->to)
1105                         to = g_utf8_casefold(msginfo->to, -1);
1106                 if (msginfo->from)
1107                         from = g_utf8_casefold(msginfo->from, -1);
1108                 if (msginfo->subject)
1109                         subject = g_utf8_casefold(msginfo->subject, -1);
1110                 break;
1111         case QUICK_SEARCH_EXTENDED:
1112                 break;
1113         default:
1114                 debug_print("unknown search type (%d)\n", quicksearch_type);
1115                 break;
1116         }
1117
1118         quicksearch->matching = TRUE;
1119         if (quicksearch_type != QUICK_SEARCH_EXTENDED &&
1120             quicksearch_type != QUICK_SEARCH_MIXED &&
1121             quicksearch_type != QUICK_SEARCH_TAG &&
1122             quicksearch->search_string &&
1123             searched_header && strstr(searched_header, quicksearch->search_string) != NULL)
1124                 result = TRUE;
1125         else if (quicksearch_type == QUICK_SEARCH_MIXED &&
1126                 quicksearch->search_string && (
1127                 (to && strstr(to, quicksearch->search_string) != NULL) ||
1128                 (from && strstr(from, quicksearch->search_string) != NULL) ||
1129                 (subject && strstr(subject, quicksearch->search_string) != NULL) ||
1130                 ((quicksearch->matcher_list != NULL) &&
1131                  matcherlist_match(quicksearch->matcher_list, msginfo))  ))
1132                 result = TRUE;
1133         else if ((quicksearch->matcher_list != NULL) &&
1134                  matcherlist_match(quicksearch->matcher_list, msginfo))
1135                 result = TRUE;
1136
1137         quicksearch->matching = FALSE;
1138         if (quicksearch_from_gui(quicksearch)==TRUE && quicksearch->deferred_free) {
1139                 /* Ref. http://lists.claws-mail.org/pipermail/users/2010-August/003063.html
1140                    See also 2.0.0cvs140 ChangeLog entry
1141                    and comment in search_msgs_in_folder() */
1142                 prepare_matcher(quicksearch);
1143         }
1144
1145         g_free(to);
1146         g_free(from);
1147         g_free(subject);
1148         g_free(searched_header);
1149
1150         return result;
1151 }
1152
1153 /* allow Mutt-like patterns in quick search */
1154 static gchar *expand_search_string(const gchar *search_string)
1155 {
1156         int i = 0;
1157         gchar term_char, save_char;
1158         gchar *cmd_start, *cmd_end;
1159         GString *matcherstr;
1160         gchar *returnstr = NULL;
1161         gchar *copy_str;
1162         gboolean casesens, dontmatch;
1163         /* list of allowed pattern abbreviations */
1164         struct {
1165                 gchar           *abbreviated;   /* abbreviation */
1166                 gchar           *command;       /* actual matcher command */
1167                 gint            numparams;      /* number of params for cmd */
1168                 gboolean        qualifier;      /* do we append regexpcase */
1169                 gboolean        quotes;         /* do we need quotes */
1170         }
1171         cmds[] = {
1172                 { "a",  "all",                          0,      FALSE,  FALSE },
1173                 { "ag", "age_greater",                  1,      FALSE,  FALSE },
1174                 { "al", "age_lower",                    1,      FALSE,  FALSE },
1175                 { "b",  "body_part",                    1,      TRUE,   TRUE  },
1176                 { "B",  "message",                      1,      TRUE,   TRUE  },
1177                 { "c",  "cc",                           1,      TRUE,   TRUE  },
1178                 { "C",  "to_or_cc",                     1,      TRUE,   TRUE  },
1179                 { "D",  "deleted",                      0,      FALSE,  FALSE },
1180                 { "e",  "header \"Sender\"",            1,      TRUE,   TRUE  },
1181                 { "E",  "execute",                      1,      FALSE,  TRUE  },
1182                 { "f",  "from",                         1,      TRUE,   TRUE  },
1183                 { "F",  "forwarded",                    0,      FALSE,  FALSE },
1184                 { "h",  "headers_part",                 1,      TRUE,   TRUE  },
1185                 { "ha", "has_attachments",              0,      FALSE,  FALSE },
1186                 { "i",  "header \"Message-ID\"",        1,      TRUE,   TRUE  },
1187                 { "I",  "inreplyto",                    1,      TRUE,   TRUE  },
1188                 { "k",  "colorlabel",                   1,      FALSE,  FALSE },
1189                 { "L",  "locked",                       0,      FALSE,  FALSE },
1190                 { "n",  "newsgroups",                   1,      TRUE,   TRUE  },
1191                 { "N",  "new",                          0,      FALSE,  FALSE },
1192                 { "O",  "~new",                         0,      FALSE,  FALSE },
1193                 { "r",  "replied",                      0,      FALSE,  FALSE },
1194                 { "R",  "~unread",                      0,      FALSE,  FALSE },
1195                 { "s",  "subject",                      1,      TRUE,   TRUE  },
1196                 { "se", "score_equal",                  1,      FALSE,  FALSE },
1197                 { "sg", "score_greater",                1,      FALSE,  FALSE },
1198                 { "sl", "score_lower",                  1,      FALSE,  FALSE },
1199                 { "Se", "size_equal",                   1,      FALSE,  FALSE },
1200                 { "Sg", "size_greater",                 1,      FALSE,  FALSE },
1201                 { "Ss", "size_smaller",                 1,      FALSE,  FALSE },
1202                 { "t",  "to",                           1,      TRUE,   TRUE  },
1203                 { "tg", "tag",                          1,      TRUE,   TRUE  },
1204                 { "T",  "marked",                       0,      FALSE,  FALSE },
1205                 { "U",  "unread",                       0,      FALSE,  FALSE },
1206                 { "x",  "header \"References\"",        1,      TRUE,   TRUE  },
1207                 { "X",  "test",                         1,      FALSE,  FALSE },
1208                 { "y",  "header \"X-Label\"",           1,      TRUE,   TRUE  },
1209                 { "&",  "&",                            0,      FALSE,  FALSE },
1210                 { "|",  "|",                            0,      FALSE,  FALSE },
1211                 { "p",  "partial",                      0,      FALSE,  FALSE },
1212                 { NULL, NULL,                           0,      FALSE,  FALSE }
1213         };
1214
1215         if (search_string == NULL)
1216                 return NULL;
1217
1218         copy_str = g_strdup(search_string);
1219
1220         matcherstr = g_string_sized_new(16);
1221         cmd_start = copy_str;
1222         while (cmd_start && *cmd_start) {
1223                 /* skip all white spaces */
1224                 while (*cmd_start && isspace((guchar)*cmd_start))
1225                         cmd_start++;
1226                 cmd_end = cmd_start;
1227
1228                 /* extract a command */
1229                 while (*cmd_end && !isspace((guchar)*cmd_end))
1230                         cmd_end++;
1231
1232                 /* save character */
1233                 save_char = *cmd_end;
1234                 *cmd_end = '\0';
1235
1236                 dontmatch = FALSE;
1237                 casesens = FALSE;
1238
1239                 /* ~ and ! mean logical NOT */
1240                 if (*cmd_start == '~' || *cmd_start == '!')
1241                 {
1242                         dontmatch = TRUE;
1243                         cmd_start++;
1244                 }
1245                 /* % means case sensitive match */
1246                 if (*cmd_start == '%')
1247                 {
1248                         casesens = TRUE;
1249                         cmd_start++;
1250                 }
1251
1252                 /* find matching abbreviation */
1253                 for (i = 0; cmds[i].command; i++) {
1254                         if (!strcmp(cmd_start, cmds[i].abbreviated)) {
1255                                 /* restore character */
1256                                 *cmd_end = save_char;
1257
1258                                 /* copy command */
1259                                 if (matcherstr->len > 0) {
1260                                         g_string_append(matcherstr, " ");
1261                                 }
1262                                 if (dontmatch)
1263                                         g_string_append(matcherstr, "~");
1264                                 g_string_append(matcherstr, cmds[i].command);
1265                                 g_string_append(matcherstr, " ");
1266
1267                                 /* stop if no params required */
1268                                 if (cmds[i].numparams == 0)
1269                                         break;
1270
1271                                 /* extract a parameter, allow quotes */
1272                                 while (*cmd_end && isspace((guchar)*cmd_end))
1273                                         cmd_end++;
1274
1275                                 cmd_start = cmd_end;
1276                                 if (*cmd_start == '"') {
1277                                         term_char = '"';
1278                                         cmd_end++;
1279                                 }
1280                                 else
1281                                         term_char = ' ';
1282
1283                                 /* extract actual parameter */
1284                                 while ((*cmd_end) && (*cmd_end != term_char))
1285                                         cmd_end++;
1286
1287                                 if (*cmd_end == '"')
1288                                         cmd_end++;
1289
1290                                 save_char = *cmd_end;
1291                                 *cmd_end = '\0';
1292
1293                                 if (cmds[i].qualifier) {
1294                                         if (casesens)
1295                                                 g_string_append(matcherstr, "regexp ");
1296                                         else
1297                                                 g_string_append(matcherstr, "regexpcase ");
1298                                 }
1299
1300                                 /* do we need to add quotes ? */
1301                                 if (cmds[i].quotes && term_char != '"')
1302                                         g_string_append(matcherstr, "\"");
1303
1304                                 /* copy actual parameter */
1305                                 g_string_append(matcherstr, cmd_start);
1306
1307                                 /* do we need to add quotes ? */
1308                                 if (cmds[i].quotes && term_char != '"')
1309                                         g_string_append(matcherstr, "\"");
1310
1311                                 /* restore original character */
1312                                 *cmd_end = save_char;
1313
1314                                 break;
1315                         }
1316                 }
1317
1318                 if (*cmd_end)
1319                         cmd_end++;
1320                 cmd_start = cmd_end;
1321         }
1322
1323         g_free(copy_str);
1324
1325         /* return search string if no match is found to allow
1326            all available filtering expressions in quicksearch */
1327         if (matcherstr->len > 0) returnstr = matcherstr->str;
1328         else returnstr = g_strdup(search_string);
1329         g_string_free(matcherstr, FALSE);
1330         return returnstr;
1331 }
1332
1333 static gchar *expand_tag_search_string(const gchar *search_string)
1334 {
1335         gchar *newstr = NULL;
1336         gchar **words = search_string ? g_strsplit(search_string, " ", -1):NULL;
1337         gint i = 0;
1338         while (words && words[i] && *words[i]) {
1339                 g_strstrip(words[i]);
1340                 if (!newstr) {
1341                         newstr = g_strdup_printf("tag regexpcase \"%s\"", words[i]);
1342                 } else {
1343                         gint o_len = strlen(newstr);
1344                         gint s_len = 18; /* strlen("|tag regexpcase \"\"") */
1345                         gint n_len = s_len + strlen(words[i]);
1346                         newstr = g_realloc(newstr,o_len+n_len+1);
1347                         strcpy(newstr+o_len, "|tag regexpcase \"");
1348                         strcpy(newstr+o_len+(s_len-1), words[i]);
1349                         strcpy(newstr+o_len+(n_len-1), "\"");
1350                 }
1351                 i++;
1352         }
1353         g_strfreev(words);
1354         return newstr;
1355 }
1356
1357 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run)
1358 {
1359         quicksearch->running = run;
1360 }
1361
1362 gboolean quicksearch_is_running(QuickSearch *quicksearch)
1363 {
1364         return quicksearch->running;
1365 }
1366
1367 void quicksearch_pass_key(QuickSearch *quicksearch, guint val, GdkModifierType mod)
1368 {
1369         GtkEntry *entry = GTK_ENTRY(gtk_bin_get_child(GTK_BIN((quicksearch->search_string_entry))));
1370         glong curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
1371         guint32 c;
1372         char *str = g_strdup(gtk_entry_get_text(entry));
1373         char *begin = str;
1374         char *end = NULL;
1375         char *new = NULL;
1376         char key[7] = "";
1377         guint char_len = 0;
1378
1379         if (gtk_editable_get_selection_bounds(GTK_EDITABLE(entry), NULL, NULL)) {
1380                 /* remove selection */
1381                 gtk_editable_delete_selection(GTK_EDITABLE(entry));
1382                 curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
1383                 /* refresh string */
1384                 g_free(str);
1385                 str = g_strdup(gtk_entry_get_text(entry));
1386                 begin = str;
1387         }
1388
1389         if (!(c = gdk_keyval_to_unicode(val))) {
1390                 g_free(str);
1391                 return;
1392         }
1393         char_len = g_unichar_to_utf8(c, key);
1394         if (char_len < 0)
1395                 return;
1396         key[char_len] = '\0';
1397         if (curpos < g_utf8_strlen(str, -1)) {
1398                 gchar *stop = g_utf8_offset_to_pointer(begin, curpos);
1399                 end = g_strdup(g_utf8_offset_to_pointer(str, curpos));
1400                 *stop = '\0';
1401                 new = g_strdup_printf("%s%s%s", begin, key, end);
1402                 gtk_entry_set_text(entry, new);
1403                 g_free(end);
1404         } else {
1405                 new = g_strdup_printf("%s%s", begin, key);
1406                 gtk_entry_set_text(entry, new);
1407         }
1408         g_free(str);
1409         g_free(new);
1410         gtk_editable_set_position(GTK_EDITABLE(entry), curpos+1);
1411
1412 }
1413
1414 static gboolean quicksearch_match_subfolder(QuickSearch *quicksearch,
1415                                  FolderItem *src)
1416 {
1417         GSList *msglist = NULL;
1418         GSList *cur;
1419         gboolean result = FALSE;
1420         gint num = 0, total = 0;
1421         gint interval = quicksearch_is_fast(quicksearch) ? 5000:100;
1422
1423         statusbar_print_all(_("Searching in %s... \n"),
1424                 src->path ? src->path : "(null)");
1425                 
1426         msglist = folder_item_get_msg_list(src);
1427         total = src->total_msgs;
1428         folder_item_update_freeze();
1429         for (cur = msglist; cur != NULL; cur = cur->next) {
1430                 MsgInfo *msg = (MsgInfo *)cur->data;
1431                 statusbar_progress_all(num++,total, interval);
1432                 if (quicksearch_match(quicksearch, msg)) {
1433                         result = TRUE;
1434                         break;
1435                 }
1436                 if (num % interval == 0)
1437                         GTK_EVENTS_FLUSH();
1438                 if (!quicksearch_is_active(quicksearch))
1439                         break;
1440         }
1441         folder_item_update_thaw();
1442         statusbar_progress_all(0,0,0);
1443         statusbar_pop_all();
1444
1445         procmsg_msg_list_free(msglist);
1446         return result;
1447 }
1448
1449 gboolean quicksearch_is_in_subfolder(QuickSearch *quicksearch, FolderItem *cur)
1450 {
1451         if (quicksearch->root_folder_item == NULL)
1452                 return FALSE;
1453         
1454         while (cur) {
1455                 if (cur == quicksearch->root_folder_item) {
1456                         return TRUE;
1457                 }
1458                 cur = folder_item_parent(cur);
1459         }
1460         return FALSE;
1461 }
1462
1463 void quicksearch_search_subfolders(QuickSearch *quicksearch,
1464                                    FolderView *folderview,
1465                                    FolderItem *folder_item)
1466 {
1467         FolderItem *cur = NULL;
1468         GNode *node = folder_item->node->children;
1469
1470         if (!prefs_common.summary_quicksearch_recurse
1471         ||  quicksearch->in_typing == TRUE)
1472                 return;
1473
1474         for (; node != NULL; node = node->next) {
1475                 cur = FOLDER_ITEM(node->data);
1476                 if (quicksearch_match_subfolder(quicksearch, cur)) {
1477                         folderview_update_search_icon(cur, TRUE);
1478                 } else {
1479                         folderview_update_search_icon(cur, FALSE);
1480                 }
1481                 if (cur->node->children)
1482                         quicksearch_search_subfolders(quicksearch,
1483                                                       folderview,
1484                                                       cur);
1485         }
1486         quicksearch->root_folder_item = folder_item;
1487         if (!quicksearch_is_active(quicksearch))
1488                 quicksearch_reset_cur_folder_item(quicksearch);
1489 }
1490
1491 static void quicksearch_reset_folder_items(QuickSearch *quicksearch,
1492                                     FolderItem *folder_item)
1493 {
1494         FolderItem *cur = NULL;
1495         GNode *node = (folder_item && folder_item->node) ?
1496                         folder_item->node->children : NULL;
1497
1498         for (; node != NULL; node = node->next) {
1499                 cur = FOLDER_ITEM(node->data);
1500                 folderview_update_search_icon(cur, FALSE);
1501                 if (cur->node->children)
1502                         quicksearch_reset_folder_items(quicksearch,
1503                                                        cur);
1504         }
1505 }
1506
1507 void quicksearch_reset_cur_folder_item(QuickSearch *quicksearch)
1508 {
1509         if (quicksearch->root_folder_item)
1510                 quicksearch_reset_folder_items(quicksearch,
1511                                                quicksearch->root_folder_item);
1512
1513         quicksearch->root_folder_item = NULL;
1514 }
1515
1516 void quicksearch_folder_item_invalidate(QuickSearch *quicksearch, FolderItem *item)
1517 {
1518         if (quicksearch->root_folder_item == item)
1519                 quicksearch->root_folder_item = NULL;
1520 }
1521
1522 gboolean quicksearch_is_in_typing(QuickSearch *quicksearch)
1523 {
1524         return quicksearch->in_typing;
1525 }
1526
1527 void quicksearch_set_search_strings(QuickSearch *quicksearch)
1528 {
1529         GList *strings = prefs_common.summary_quicksearch_history;
1530         gchar *newstr = NULL;
1531         MatcherList *matcher_list = NULL;
1532
1533         if (!strings)
1534                 return;
1535
1536         matcher_parser_disable_warnings(TRUE);
1537         
1538         do {
1539                 newstr = expand_search_string((gchar *) strings->data);
1540                 if (newstr && newstr[0] != '\0') {
1541                         if (!strchr(newstr, ' ')) {
1542                                 quicksearch->normal_search_strings =
1543                                         g_list_append(
1544                                                 quicksearch->normal_search_strings,
1545                                                 g_strdup(strings->data));
1546                                 g_free(newstr);
1547                                 continue;
1548                         }
1549                         
1550                         matcher_list = matcher_parser_get_cond(newstr, FALSE);
1551                         g_free(newstr);
1552                         
1553                         if (matcher_list) {
1554                                 quicksearch->extended_search_strings =
1555                                         g_list_prepend(
1556                                                 quicksearch->extended_search_strings,
1557                                                 g_strdup(strings->data));
1558                                 matcherlist_free(matcher_list);
1559                         } else
1560                                 quicksearch->normal_search_strings =
1561                                         g_list_prepend(
1562                                                 quicksearch->normal_search_strings,
1563                                                 g_strdup(strings->data));
1564                 }
1565         
1566         } while ((strings = g_list_next(strings)) != NULL);
1567
1568         matcher_parser_disable_warnings(FALSE); 
1569
1570         quicksearch->normal_search_strings = g_list_reverse(quicksearch->normal_search_strings);
1571         quicksearch->extended_search_strings = g_list_reverse(quicksearch->extended_search_strings);
1572
1573         quicksearch_set_popdown_strings(quicksearch);
1574 }
1575
1576 /*
1577  * Searches in the supplied folderItem the messages (MessageInfo) matching a
1578  * QuickSearchType + search string (ex.: QUICK_SEARCH_FROM and "foo@bar.com").
1579  *
1580  * Found messages are appended to the array 'messages' and their ref.counts
1581  * are incremented by 1 --so they need to be released (procmsg_msginfo_free())
1582  * before the array 'messages' is freed.
1583  */
1584 void search_msgs_in_folder(GSList **messages, QuickSearch* quicksearch,
1585                            FolderItem* folderItem)
1586 {
1587         /* from quicksearch_match_subfolder */
1588         GSList *msglist = NULL;
1589         GSList *cur;
1590
1591         /* The list is built w/ MsgInfo items whose ref.counts are incremented,
1592            but they are decremented when the list is freed by
1593            procmsg_msg_list_free(): we'll  ask for a new ref., below
1594         */
1595         msglist = folder_item_get_msg_list(folderItem);
1596
1597         for (cur = msglist; cur != NULL; cur = cur->next) {
1598                 MsgInfo *msg = (MsgInfo *)cur->data;
1599                 if (quicksearch_match(quicksearch, msg)) {
1600                         /*debug_print("found: %s from:%s\n",procmsg_get_message_file_path(msg),msg->from);*/
1601                         *messages = g_slist_prepend(*messages, procmsg_msginfo_new_ref(msg));
1602                 }
1603                 /* See 2.0.0cvs140 ChangeLog entry for details
1604                    see also comments in quicksearch_match() */
1605                 if (quicksearch_from_gui(quicksearch)==TRUE
1606                     && !quicksearch_is_active(quicksearch))
1607                         break;
1608         }
1609         procmsg_msg_list_free(msglist);
1610 }
1611
1612 /*
1613  * Searches within the folderItem and its sub-folders (if recursive is TRUE)
1614  * the messages matching the search request.
1615  *
1616  * NB: search within a Folder can be done this way:
1617  *         search_msg_in_folders(messages, quicksearch, searchType,
1618  *                               FOLDER_ITEM(folder->node->data), TRUE);
1619  */
1620 void search_msgs_in_folders(GSList **messages, QuickSearch* quicksearch,
1621                             FolderItem* folderItem)
1622 {
1623         FolderItem *cur = NULL;
1624
1625         search_msgs_in_folder(messages, quicksearch, folderItem);
1626         if (quicksearch->request->recursive == FALSE)
1627                 return;
1628
1629         GNode *node = folderItem->node->children;
1630         for (; node != NULL; node = node->next) {
1631                 cur = FOLDER_ITEM(node->data);
1632                 debug_print("in: %s\n",cur->path);
1633                 if (cur->node->children)
1634                         search_msgs_in_folders(messages, quicksearch, cur);
1635                 else
1636                         search_msgs_in_folder(messages, quicksearch, cur);
1637         }
1638         *messages = g_slist_reverse(*messages);
1639 }
1640
1641  /*
1642   * Returns the QuickSearchType associated to the supplied string.
1643   */
1644 QuickSearchType quicksearch_type(const gchar* type)
1645 {
1646         QuickSearchType searchType = QUICK_SEARCH_EXTENDED;
1647         if (!type)
1648                 return searchType;
1649         switch(toupper(*type)) {
1650         case 'S':
1651                 searchType = QUICK_SEARCH_SUBJECT;
1652         break;
1653         case 'F':
1654                 searchType = QUICK_SEARCH_FROM;
1655         break;
1656         case 'T':
1657                 searchType = QUICK_SEARCH_TO;
1658         break;
1659         case 'E':
1660                 searchType = QUICK_SEARCH_EXTENDED;
1661         break;
1662         case 'M':
1663                 searchType = QUICK_SEARCH_MIXED;
1664         break;
1665         case 'G':
1666                 searchType = QUICK_SEARCH_TAG;
1667         break;
1668         }
1669         return searchType;
1670 }