ac8cca93a3d5072a5240182bb4a5bf51e1ec4f79
[claws.git] / src / gtk / quicksearch.c
1 /*
2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2007 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 2 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, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19  */
20
21 #ifdef HAVE_CONFIG_H
22 #  include "config.h"
23 #endif
24
25 #include <glib.h>
26 #include <glib/gi18n.h>
27 #include <ctype.h>
28
29 #include <gtk/gtk.h>
30 #include <gdk/gdkkeysyms.h>
31
32 #include "utils.h"
33 #include "menu.h"
34 #include "prefs_common.h"
35 #include "description_window.h"
36 #include "matcher.h"
37 #include "matcher_parser.h"
38 #include "quicksearch.h"
39 #include "folderview.h"
40 #include "folder.h"
41 #include "prefs_matcher.h"
42 #include "claws.h"
43 #include "statusbar.h"
44
45 struct _QuickSearch
46 {
47         GtkWidget                       *hbox_search;
48         GtkWidget                       *search_type;
49         GtkWidget                       *search_type_opt;
50         GtkWidget                       *search_string_entry;
51         GtkWidget                       *search_condition_expression;
52         GtkWidget                       *search_description;
53         GtkWidget                       *clear_search;
54
55         gboolean                         active;
56         gchar                           *search_string;
57         MatcherList                     *matcher_list;
58
59         QuickSearchExecuteCallback       callback;
60         gpointer                         callback_data;
61         gboolean                         running;
62         gboolean                         has_focus;
63         gboolean                         matching;
64         gboolean                         deferred_free;
65         FolderItem                      *root_folder_item;
66         gboolean                         is_fast;
67         gboolean                         in_typing;
68         guint                            press_timeout_id;
69 };
70
71 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run);
72 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active);
73 static void quicksearch_reset_folder_items(QuickSearch *quicksearch, FolderItem *folder_item);
74 static gchar *expand_search_string(const gchar *str);
75
76 gboolean quicksearch_is_fast(QuickSearch *quicksearch)
77 {
78         return quicksearch->is_fast;
79 }
80
81 static void prepare_matcher(QuickSearch *quicksearch)
82 {
83         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
84
85         if (search_string == NULL || search_string[0] == '\0') {
86                 quicksearch_set_active(quicksearch, FALSE);
87         }
88
89         if (quicksearch->matcher_list != NULL) {
90                 if (quicksearch->matching) {
91                         quicksearch->deferred_free = TRUE;
92                         return;
93                 }
94                 quicksearch->deferred_free = FALSE;
95                 matcherlist_free(quicksearch->matcher_list);
96                 quicksearch->matcher_list = NULL;
97         }
98
99         if (search_string == NULL || search_string[0] == '\0') {
100                 return;
101         }
102
103         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
104                 char *newstr = NULL;
105
106                 newstr = expand_search_string(search_string);
107                 if (newstr && newstr[0] != '\0') {
108                         quicksearch->matcher_list = matcher_parser_get_cond(newstr, &quicksearch->is_fast);
109                         g_free(newstr);
110                 } else {
111                         quicksearch->matcher_list = NULL;
112                         quicksearch_set_active(quicksearch, FALSE);
113
114                         return;
115                 }
116         } else {
117                 quicksearch->is_fast = TRUE;
118                 g_free(quicksearch->search_string);
119                 quicksearch->search_string = g_strdup(search_string);
120         }
121
122         quicksearch_set_active(quicksearch, TRUE);
123 }
124
125 static void update_extended_buttons (QuickSearch *quicksearch)
126 {
127         GtkWidget *expr_btn = quicksearch->search_condition_expression;
128         GtkWidget *ext_btn = quicksearch->search_description;
129
130         g_return_if_fail(expr_btn != NULL);
131         g_return_if_fail(ext_btn != NULL);
132
133         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
134                 gtk_widget_show(expr_btn);
135                 gtk_widget_show(ext_btn);
136         } else {
137                 gtk_widget_hide(expr_btn);
138                 gtk_widget_hide(ext_btn);
139         }
140 }
141
142 static gboolean searchbar_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
143                                   QuickSearch *qs)
144 {
145         qs->has_focus = TRUE;
146         return FALSE;
147 }
148
149 static gboolean searchbar_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
150                                   QuickSearch *qs)
151 {
152         qs->has_focus = FALSE;
153         qs->in_typing = FALSE;
154         return FALSE;
155 }
156
157 gboolean quicksearch_has_focus(QuickSearch *quicksearch)
158 {
159         return quicksearch->has_focus;
160 }
161
162 static void searchbar_run(QuickSearch *quicksearch, gboolean run_only_if_fast)
163 {
164         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
165
166         /* add to history */
167         if (!quicksearch->in_typing && search_string && strlen(search_string) != 0) {
168                 prefs_common.summary_quicksearch_history =
169                         add_history(prefs_common.summary_quicksearch_history,
170                                         search_string);
171                 gtk_combo_set_popdown_strings(GTK_COMBO(quicksearch->search_string_entry),
172                         prefs_common.summary_quicksearch_history);
173         }
174
175         prepare_matcher(quicksearch);
176         if (run_only_if_fast && !quicksearch->is_fast)
177                 return;
178         if (quicksearch->matcher_list == NULL && 
179             prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED &&
180             search_string && strlen(search_string) != 0)
181                 return;
182         quicksearch_set_running(quicksearch, TRUE);
183         if (quicksearch->callback != NULL)
184                 quicksearch->callback(quicksearch, quicksearch->callback_data);
185         quicksearch_set_running(quicksearch, FALSE);
186 }
187
188 static int searchbar_changed_timeout(void *data)
189 {
190         QuickSearch *qs = (QuickSearch *)data;
191         if (qs && prefs_common.summary_quicksearch_dynamic) {
192                 qs->in_typing = TRUE;
193                 searchbar_run(qs, TRUE);
194         }
195         return FALSE;
196 }
197
198 static gboolean searchbar_changed_cb(GtkWidget *widget, QuickSearch *qs)
199 {
200         if (prefs_common.summary_quicksearch_dynamic) {
201                 if (qs->press_timeout_id != -1) {
202                         g_source_remove(qs->press_timeout_id);
203                 }
204                 qs->press_timeout_id = g_timeout_add(500,
205                                 searchbar_changed_timeout, qs);
206         }
207
208         return FALSE;
209 }
210
211 static gboolean searchbar_pressed(GtkWidget *widget, GdkEventKey *event,
212                                   QuickSearch *quicksearch)
213 {
214         if (event != NULL && event->keyval == GDK_Escape) {
215
216                 const gchar *str;
217
218                 quicksearch->in_typing = FALSE;
219
220                 str = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
221                 g_return_val_if_fail(str != NULL, TRUE);
222
223                 /* If the string entry is empty -> hide quicksearch bar. If not -> empty it */
224                 if (!*str) {
225                         summaryview_activate_quicksearch(
226                                 mainwindow_get_mainwindow()->summaryview, 
227                                 FALSE);
228                 } else {
229                         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
230                         gtk_widget_grab_focus(
231                                         GTK_WIDGET(GTK_COMBO(quicksearch->search_string_entry)->entry));
232                 }
233
234                 return TRUE;
235         }
236
237         if (event != NULL && event->keyval == GDK_Return) {
238                 quicksearch->in_typing = FALSE;
239                 /* add expression to history list and exec quicksearch */
240                 searchbar_run(quicksearch, FALSE);
241
242                 g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
243                 return TRUE;
244         }
245
246         return FALSE;
247 }
248
249 static gboolean searchtype_changed(GtkMenuItem *widget, gpointer data)
250 {
251         QuickSearch *quicksearch = (QuickSearch *)data;
252         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
253
254         prefs_common.summary_quicksearch_type = GPOINTER_TO_INT(g_object_get_data(
255                                    G_OBJECT(GTK_MENU_ITEM(gtk_menu_get_active(
256                                    GTK_MENU(quicksearch->search_type)))), MENU_VAL_ID));
257
258         /* Show extended search description button, only when Extended is selected */
259         update_extended_buttons(quicksearch);
260
261         if (!search_string || strlen(search_string) == 0) {
262                 return TRUE;
263         }
264
265         prepare_matcher(quicksearch);
266
267         quicksearch_set_running(quicksearch, TRUE);
268         if (quicksearch->callback != NULL)
269                 quicksearch->callback(quicksearch, quicksearch->callback_data);
270         quicksearch_set_running(quicksearch, FALSE);
271         return TRUE;
272 }
273
274 static gboolean searchtype_recursive_changed(GtkMenuItem *widget, gpointer data)
275 {
276         QuickSearch *quicksearch = (QuickSearch *)data;
277         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
278         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
279
280         prefs_common.summary_quicksearch_recurse = checked;
281
282         /* reselect the search type */
283         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
284                                     prefs_common.summary_quicksearch_type);
285
286         if (!search_string || strlen(search_string) == 0) {
287                 return TRUE;
288         }
289
290         prepare_matcher(quicksearch);
291
292         quicksearch_set_running(quicksearch, TRUE);
293         if (quicksearch->callback != NULL)
294                 quicksearch->callback(quicksearch, quicksearch->callback_data);
295         quicksearch_set_running(quicksearch, FALSE);
296         return TRUE;
297 }
298
299 static gboolean searchtype_sticky_changed(GtkMenuItem *widget, gpointer data)
300 {
301         QuickSearch *quicksearch = (QuickSearch *)data;
302         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
303
304         prefs_common.summary_quicksearch_sticky = checked;
305
306         /* reselect the search type */
307         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
308                                     prefs_common.summary_quicksearch_type);
309
310         return TRUE;
311 }
312
313 static gboolean searchtype_dynamic_changed(GtkMenuItem *widget, gpointer data)
314 {
315         QuickSearch *quicksearch = (QuickSearch *)data;
316         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
317
318         prefs_common.summary_quicksearch_dynamic = checked;
319
320         /* reselect the search type */
321         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
322                                     prefs_common.summary_quicksearch_type);
323
324         return TRUE;
325 }
326
327 /*
328  * Strings describing how to use Extended Search
329  *
330  * When adding new lines, remember to put 2 strings for each line
331  */
332 static gchar *search_descr_strings[] = {
333         "a",     N_("all messages"),
334         "ag #",  N_("messages whose age is greater than #"),
335         "al #",  N_("messages whose age is less than #"),
336         "b S",   N_("messages which contain S in the message body"),
337         "B S",   N_("messages which contain S in the whole message"),
338         "c S",   N_("messages carbon-copied to S"),
339         "C S",   N_("message is either to: or cc: to S"),
340         "D",     N_("deleted messages"), /** how I can filter deleted messages **/
341         "e S",   N_("messages which contain S in the Sender field"),
342         "E S",   N_("true if execute \"S\" succeeds"),
343         "f S",   N_("messages originating from user S"),
344         "F",     N_("forwarded messages"),
345         "h S",   N_("messages which contain header S"),
346         "i S",   N_("messages which contain S in Message-ID header"),
347         "I S",   N_("messages which contain S in inreplyto header"),
348         "k #",   N_("messages which are marked with color #"),
349         "L",     N_("locked messages"),
350         "n S",   N_("messages which are in newsgroup S"),
351         "N",     N_("new messages"),
352         "O",     N_("old messages"),
353         "p",     N_("incomplete messages (not entirely downloaded)"),
354         "r",     N_("messages which have been replied to"),
355         "R",     N_("read messages"),
356         "s S",   N_("messages which contain S in subject"),
357         "se #",  N_("messages whose score is equal to #"),
358         "sg #",  N_("messages whose score is greater than #"),
359         "sl #",  N_("messages whose score is lower than #"),
360         "Se #",  N_("messages whose size is equal to #"),
361         "Sg #",  N_("messages whose size is greater than #"),
362         "Ss #",  N_("messages whose size is smaller than #"),
363         "t S",   N_("messages which have been sent to S"),
364         "T",     N_("marked messages"),
365         "U",     N_("unread messages"),
366         "x S",   N_("messages which contain S in References header"),
367         "X \"cmd args\"", N_("messages returning 0 when passed to command - %F is message file"),
368         "y S",   N_("messages which contain S in X-Label header"),
369         "",      "" ,
370         "&amp;",         N_("logical AND operator"),
371         "|",     N_("logical OR operator"),
372         "! or ~",       N_("logical NOT operator"),
373         "%",     N_("case sensitive search"),
374         "",      "" ,
375         " ",     N_("all filtering expressions are allowed"),
376         NULL,    NULL
377 };
378
379 static DescriptionWindow search_descr = {
380         NULL,
381         NULL,
382         2,
383         N_("Extended Search"),
384         N_("Extended Search allows the user to define criteria that messages must "
385            "have in order to match and be displayed in the message list.\n\n"
386            "The following symbols can be used:"),
387         search_descr_strings
388 };
389
390 static void search_description_cb(GtkWidget *widget)
391 {
392         description_window_create(&search_descr);
393 };
394
395 static gboolean clear_search_cb(GtkMenuItem *widget, gpointer data)
396 {
397         QuickSearch *quicksearch = (QuickSearch *)data;
398
399         if (!quicksearch->active)
400                 return TRUE;
401
402         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
403
404         return TRUE;
405 };
406
407 static void search_condition_expr_done(MatcherList * matchers)
408 {
409         gchar *str;
410
411         g_return_if_fail(
412                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL);
413
414         if (matchers == NULL)
415                 return;
416
417         str = matcherlist_to_string(matchers);
418
419         if (str != NULL) {
420                 quicksearch_set(mainwindow_get_mainwindow()->summaryview->quicksearch,
421                                 prefs_common.summary_quicksearch_type, str);
422                 g_free(str);
423
424                 /* add expression to history list and exec quicksearch */
425                 searchbar_run(mainwindow_get_mainwindow()->summaryview->quicksearch, FALSE);
426         }
427 }
428
429 static gboolean search_condition_expr(GtkMenuItem *widget, gpointer data)
430 {
431         const gchar * cond_str;
432         MatcherList * matchers = NULL;
433         
434         g_return_val_if_fail(
435                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL,
436                         FALSE);
437
438         /* re-use it the current quicksearch value if it's a condition expression,
439            otherwise ignore it silently */
440         cond_str = gtk_entry_get_text(
441                         GTK_ENTRY(GTK_COMBO(mainwindow_get_mainwindow()->summaryview->quicksearch->
442                         search_string_entry)->entry));
443         if (*cond_str != '\0') {
444                 matchers = matcher_parser_get_cond((gchar*)cond_str, NULL);
445         }
446
447         prefs_matcher_open(matchers, search_condition_expr_done);
448
449         if (matchers != NULL)
450                 matcherlist_free(matchers);
451
452         return TRUE;
453 };
454
455 QuickSearch *quicksearch_new()
456 {
457         QuickSearch *quicksearch;
458
459         GtkWidget *hbox_search;
460         GtkWidget *search_type_opt;
461         GtkWidget *search_type;
462         GtkWidget *search_string_entry;
463         GtkWidget *search_hbox;
464         GtkWidget *search_description;
465         GtkWidget *clear_search;
466         GtkWidget *search_condition_expression;
467         GtkWidget *menuitem;
468         GtkTooltips *tips = gtk_tooltips_new();
469
470         quicksearch = g_new0(QuickSearch, 1);
471
472         /* quick search */
473         hbox_search = gtk_hbox_new(FALSE, 0);
474
475         search_type_opt = gtk_option_menu_new();
476         gtk_widget_show(search_type_opt);
477         gtk_box_pack_start(GTK_BOX(hbox_search), search_type_opt, FALSE, FALSE, 0);
478
479         search_type = gtk_menu_new();
480         MENUITEM_ADD (search_type, menuitem, _("Subject"), QUICK_SEARCH_SUBJECT);
481         g_signal_connect(G_OBJECT(menuitem), "activate",
482                          G_CALLBACK(searchtype_changed),
483                          quicksearch);
484         MENUITEM_ADD (search_type, menuitem, _("From"), QUICK_SEARCH_FROM);
485         g_signal_connect(G_OBJECT(menuitem), "activate",
486                          G_CALLBACK(searchtype_changed),
487                          quicksearch);
488         MENUITEM_ADD (search_type, menuitem, _("To"), QUICK_SEARCH_TO);
489         g_signal_connect(G_OBJECT(menuitem), "activate",
490                          G_CALLBACK(searchtype_changed),
491                          quicksearch);
492         MENUITEM_ADD (search_type, menuitem, _("Extended"), QUICK_SEARCH_EXTENDED);
493         g_signal_connect(G_OBJECT(menuitem), "activate",
494                          G_CALLBACK(searchtype_changed),
495                          quicksearch);
496
497         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), gtk_separator_menu_item_new());
498
499         menuitem = gtk_check_menu_item_new_with_label(_("Recursive"));
500         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
501
502         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
503                                         prefs_common.summary_quicksearch_recurse);
504
505         g_signal_connect(G_OBJECT(menuitem), "activate",
506                          G_CALLBACK(searchtype_recursive_changed),
507                          quicksearch);
508
509         menuitem = gtk_check_menu_item_new_with_label(_("Sticky"));
510         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
511
512         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
513                                         prefs_common.summary_quicksearch_sticky);
514
515         g_signal_connect(G_OBJECT(menuitem), "activate",
516                          G_CALLBACK(searchtype_sticky_changed),
517                          quicksearch);
518
519         menuitem = gtk_check_menu_item_new_with_label(_("Type-ahead"));
520         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
521
522         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
523                                         prefs_common.summary_quicksearch_dynamic);
524
525         g_signal_connect(G_OBJECT(menuitem), "activate",
526                          G_CALLBACK(searchtype_dynamic_changed),
527                          quicksearch);
528
529         gtk_option_menu_set_menu(GTK_OPTION_MENU(search_type_opt), search_type);
530
531         gtk_option_menu_set_history(GTK_OPTION_MENU(search_type_opt), prefs_common.summary_quicksearch_type);
532
533         gtk_widget_show(search_type);
534
535         search_string_entry = gtk_combo_new();
536         gtk_box_pack_start(GTK_BOX(hbox_search), search_string_entry, FALSE, FALSE, 2);
537         gtk_combo_set_value_in_list(GTK_COMBO(search_string_entry), FALSE, TRUE);
538         gtk_combo_set_case_sensitive(GTK_COMBO(search_string_entry), TRUE);
539         if (prefs_common.summary_quicksearch_history)
540                 gtk_combo_set_popdown_strings(GTK_COMBO(search_string_entry),
541                         prefs_common.summary_quicksearch_history);
542         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(search_string_entry)->entry), "");
543         gtk_widget_show(search_string_entry);
544
545         search_hbox = gtk_hbox_new(FALSE, 5);
546
547 #if GTK_CHECK_VERSION(2, 8, 0)
548         clear_search = gtk_button_new_from_stock(GTK_STOCK_CLEAR);
549 #else
550         clear_search = gtk_button_new_with_label(_(" Clear "));
551 #endif
552         gtk_box_pack_start(GTK_BOX(search_hbox), clear_search,
553                            FALSE, FALSE, 0);
554         g_signal_connect(G_OBJECT(clear_search), "clicked",
555                          G_CALLBACK(clear_search_cb), quicksearch);
556         gtk_tooltips_set_tip(GTK_TOOLTIPS(tips),
557                              clear_search,
558                              _("Clear the current search"), NULL);
559         gtk_widget_show(clear_search);
560
561 #if GTK_CHECK_VERSION(2, 8, 0)
562         search_condition_expression = gtk_button_new_from_stock(GTK_STOCK_EDIT);
563 #else
564         search_condition_expression = gtk_button_new_with_label(" ... ");
565 #endif
566         gtk_box_pack_start(GTK_BOX(search_hbox), search_condition_expression,
567                            FALSE, FALSE, 0);
568         g_signal_connect(G_OBJECT (search_condition_expression), "clicked",
569                          G_CALLBACK(search_condition_expr),
570                          quicksearch);
571         gtk_tooltips_set_tip(GTK_TOOLTIPS(tips),
572                              search_condition_expression,
573                              _("Edit search criteria"), NULL);
574         gtk_widget_show(search_condition_expression);
575
576 #if GTK_CHECK_VERSION(2, 8, 0)
577         search_description = gtk_button_new_from_stock(GTK_STOCK_INFO);
578 #else
579         search_description = gtk_button_new_with_label(_(" Extended Symbols... "));
580 #endif
581         gtk_box_pack_start(GTK_BOX(search_hbox), search_description,
582                            FALSE, FALSE, 0);
583         g_signal_connect(G_OBJECT(search_description), "clicked",
584                          G_CALLBACK(search_description_cb), NULL);
585         gtk_tooltips_set_tip(GTK_TOOLTIPS(tips),
586                              search_description,
587                              _("Information about extended symbols"), NULL);
588         gtk_widget_show(search_description);
589
590         gtk_box_pack_start(GTK_BOX(hbox_search), search_hbox, FALSE, FALSE, 2);
591         gtk_widget_show(search_hbox);
592
593         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
594                            "key_press_event",
595                            G_CALLBACK(searchbar_pressed),
596                            quicksearch);
597
598         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
599                          "changed",
600                          G_CALLBACK(searchbar_changed_cb),
601                          quicksearch);
602
603         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
604                          "focus_in_event",
605                          G_CALLBACK(searchbar_focus_evt_in),
606                          quicksearch);
607         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
608                          "focus_out_event",
609                          G_CALLBACK(searchbar_focus_evt_out),
610                          quicksearch);
611
612         quicksearch->hbox_search = hbox_search;
613         quicksearch->search_type = search_type;
614         quicksearch->search_type_opt = search_type_opt;
615         quicksearch->search_string_entry = search_string_entry;
616         quicksearch->search_condition_expression = search_condition_expression;
617         quicksearch->search_description = search_description;
618         quicksearch->matcher_list = NULL;
619         quicksearch->active = FALSE;
620         quicksearch->running = FALSE;
621         quicksearch->clear_search = clear_search;
622         quicksearch->in_typing = FALSE;
623         quicksearch->press_timeout_id = -1;
624
625         update_extended_buttons(quicksearch);
626
627         return quicksearch;
628 }
629
630 void quicksearch_relayout(QuickSearch *quicksearch)
631 {
632         switch (prefs_common.layout_mode) {
633         case NORMAL_LAYOUT:
634         case WIDE_LAYOUT:
635         case WIDE_MSGLIST_LAYOUT:
636 #if GTK_CHECK_VERSION(2, 8, 0)
637                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_description), GTK_STOCK_INFO);
638                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_condition_expression), GTK_STOCK_EDIT);
639                 gtk_button_set_label(GTK_BUTTON(quicksearch->clear_search), GTK_STOCK_CLEAR);
640 #else
641                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_description), _(" Extended Symbols... "));
642                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_condition_expression), " ... ");
643                 gtk_button_set_label(GTK_BUTTON(quicksearch->clear_search), _(" Clear "));
644 #endif
645                 break;
646         case VERTICAL_LAYOUT:
647 #if GTK_CHECK_VERSION(2, 8, 0)
648                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_description), "");
649                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_condition_expression), "");
650                 gtk_button_set_label(GTK_BUTTON(quicksearch->clear_search), "");
651
652                 gtk_button_set_image(GTK_BUTTON(quicksearch->search_description),
653                         gtk_image_new_from_stock(GTK_STOCK_INFO, GTK_ICON_SIZE_BUTTON));
654                 gtk_button_set_image(GTK_BUTTON(quicksearch->search_condition_expression),
655                         gtk_image_new_from_stock(GTK_STOCK_EDIT, GTK_ICON_SIZE_BUTTON));
656                 gtk_button_set_image(GTK_BUTTON(quicksearch->clear_search),
657                         gtk_image_new_from_stock(GTK_STOCK_CLEAR, GTK_ICON_SIZE_BUTTON));
658 #else
659                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_description), _("Info"));
660                 gtk_button_set_label(GTK_BUTTON(quicksearch->search_condition_expression), "...");
661                 gtk_button_set_label(GTK_BUTTON(quicksearch->clear_search), _("Clear"));
662 #endif
663                 break;
664         }
665 }
666
667 GtkWidget *quicksearch_get_widget(QuickSearch *quicksearch)
668 {
669         return quicksearch->hbox_search;
670 }
671
672 void quicksearch_show(QuickSearch *quicksearch)
673 {
674         prepare_matcher(quicksearch);
675         gtk_widget_show(quicksearch->hbox_search);
676         update_extended_buttons(quicksearch);
677         gtk_widget_grab_focus(
678                 GTK_WIDGET(GTK_COMBO(quicksearch->search_string_entry)->entry));
679 }
680
681 void quicksearch_hide(QuickSearch *quicksearch)
682 {
683         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
684         quicksearch_set_active(quicksearch, FALSE);
685         gtk_widget_hide(quicksearch->hbox_search);
686 }
687
688 void quicksearch_set(QuickSearch *quicksearch, QuickSearchType type,
689                      const gchar *matchstring)
690 {
691         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
692                                     type);
693
694         if (!matchstring || !(*matchstring))
695                 quicksearch->in_typing = FALSE;
696
697         g_signal_handlers_block_by_func(G_OBJECT(GTK_COMBO(quicksearch->search_string_entry)->entry),
698                         G_CALLBACK(searchbar_changed_cb), quicksearch);
699         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry),
700                            matchstring);
701         g_signal_handlers_unblock_by_func(G_OBJECT(GTK_COMBO(quicksearch->search_string_entry)->entry),
702                         G_CALLBACK(searchbar_changed_cb), quicksearch);
703
704         prefs_common.summary_quicksearch_type = type;
705
706         prepare_matcher(quicksearch);
707
708         quicksearch_set_running(quicksearch, TRUE);
709         if (quicksearch->callback != NULL)
710                 quicksearch->callback(quicksearch, quicksearch->callback_data);
711         quicksearch_set_running(quicksearch, FALSE);
712 }
713
714 gboolean quicksearch_is_active(QuickSearch *quicksearch)
715 {
716         return quicksearch->active && 
717                 (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED
718                  || quicksearch->matcher_list != NULL);
719 }
720
721 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active)
722 {
723         static GdkColor yellow;
724         static GdkColor red;
725         static GdkColor black;
726         static gboolean colors_initialised = FALSE;
727         gboolean error = FALSE;
728
729         if (!colors_initialised) {
730                 gdk_color_parse("#f5f6be", &yellow);
731                 gdk_color_parse("#000000", &black);
732                 gdk_color_parse("#ff7070", &red);
733                 colors_initialised = gdk_colormap_alloc_color(
734                         gdk_colormap_get_system(), &yellow, FALSE, TRUE);
735                 colors_initialised &= gdk_colormap_alloc_color(
736                         gdk_colormap_get_system(), &black, FALSE, TRUE);
737                 colors_initialised &= gdk_colormap_alloc_color(
738                         gdk_colormap_get_system(), &red, FALSE, TRUE);
739         }
740
741         quicksearch->active = active;
742
743         if (active && 
744                 (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED
745                  && quicksearch->matcher_list == NULL))
746                 error = TRUE;
747
748         if (active) {
749                 gtk_widget_set_sensitive(quicksearch->clear_search, TRUE);
750                 if (colors_initialised) {
751                         gtk_widget_modify_base(
752                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
753                                 GTK_STATE_NORMAL, error ? &red : &yellow);
754                         gtk_widget_modify_text(
755                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
756                                 GTK_STATE_NORMAL, &black);
757                 }
758         } else {
759                 gtk_widget_set_sensitive(quicksearch->clear_search, FALSE);
760                 if (colors_initialised) {
761                         gtk_widget_modify_base(
762                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
763                                 GTK_STATE_NORMAL, NULL);
764                         gtk_widget_modify_text(
765                                 GTK_COMBO(quicksearch->search_string_entry)->entry,
766                                 GTK_STATE_NORMAL, NULL);
767                 }
768         }
769
770         if (!active) {
771                 quicksearch_reset_cur_folder_item(quicksearch);
772         }
773 }
774
775 void quicksearch_set_execute_callback(QuickSearch *quicksearch,
776                                       QuickSearchExecuteCallback callback,
777                                       gpointer data)
778 {
779         quicksearch->callback = callback;
780         quicksearch->callback_data = data;
781 }
782
783 gboolean quicksearch_match(QuickSearch *quicksearch, MsgInfo *msginfo)
784 {
785         gchar *searched_header = NULL;
786         gboolean result = FALSE;
787
788         if (!quicksearch->active)
789                 return TRUE;
790
791         switch (prefs_common.summary_quicksearch_type) {
792         case QUICK_SEARCH_SUBJECT:
793                 searched_header = msginfo->subject;
794                 break;
795         case QUICK_SEARCH_FROM:
796                 searched_header = msginfo->from;
797                 break;
798         case QUICK_SEARCH_TO:
799                 searched_header = msginfo->to;
800                 break;
801         case QUICK_SEARCH_EXTENDED:
802                 break;
803         default:
804                 debug_print("unknown search type (%d)\n", prefs_common.summary_quicksearch_type);
805                 break;
806         }
807         quicksearch->matching = TRUE;
808         if (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED &&
809             quicksearch->search_string &&
810             searched_header && strcasestr(searched_header, quicksearch->search_string) != NULL)
811                 result = TRUE;
812         else if ((quicksearch->matcher_list != NULL) &&
813                  matcherlist_match(quicksearch->matcher_list, msginfo))
814                 result = TRUE;
815
816         quicksearch->matching = FALSE;
817         if (quicksearch->deferred_free) {
818                 prepare_matcher(quicksearch);
819         }
820
821         return result;
822 }
823
824 /* allow Mutt-like patterns in quick search */
825 static gchar *expand_search_string(const gchar *search_string)
826 {
827         int i = 0;
828         gchar term_char, save_char;
829         gchar *cmd_start, *cmd_end;
830         GString *matcherstr;
831         gchar *returnstr = NULL;
832         gchar *copy_str;
833         gboolean casesens, dontmatch;
834         /* list of allowed pattern abbreviations */
835         struct {
836                 gchar           *abbreviated;   /* abbreviation */
837                 gchar           *command;       /* actual matcher command */
838                 gint            numparams;      /* number of params for cmd */
839                 gboolean        qualifier;      /* do we append regexpcase */
840                 gboolean        quotes;         /* do we need quotes */
841         }
842         cmds[] = {
843                 { "a",  "all",                          0,      FALSE,  FALSE },
844                 { "ag", "age_greater",                  1,      FALSE,  FALSE },
845                 { "al", "age_lower",                    1,      FALSE,  FALSE },
846                 { "b",  "body_part",                    1,      TRUE,   TRUE  },
847                 { "B",  "message",                      1,      TRUE,   TRUE  },
848                 { "c",  "cc",                           1,      TRUE,   TRUE  },
849                 { "C",  "to_or_cc",                     1,      TRUE,   TRUE  },
850                 { "D",  "deleted",                      0,      FALSE,  FALSE },
851                 { "e",  "header \"Sender\"",            1,      TRUE,   TRUE  },
852                 { "E",  "execute",                      1,      FALSE,  TRUE  },
853                 { "f",  "from",                         1,      TRUE,   TRUE  },
854                 { "F",  "forwarded",                    0,      FALSE,  FALSE },
855                 { "h",  "headers_part",                 1,      TRUE,   TRUE  },
856                 { "i",  "header \"Message-ID\"",        1,      TRUE,   TRUE  },
857                 { "I",  "inreplyto",                    1,      TRUE,   TRUE  },
858                 { "k",  "colorlabel",                   1,      FALSE,  FALSE },
859                 { "L",  "locked",                       0,      FALSE,  FALSE },
860                 { "n",  "newsgroups",                   1,      TRUE,   TRUE  },
861                 { "N",  "new",                          0,      FALSE,  FALSE },
862                 { "O",  "~new",                         0,      FALSE,  FALSE },
863                 { "r",  "replied",                      0,      FALSE,  FALSE },
864                 { "R",  "~unread",                      0,      FALSE,  FALSE },
865                 { "s",  "subject",                      1,      TRUE,   TRUE  },
866                 { "se", "score_equal",                  1,      FALSE,  FALSE },
867                 { "sg", "score_greater",                1,      FALSE,  FALSE },
868                 { "sl", "score_lower",                  1,      FALSE,  FALSE },
869                 { "Se", "size_equal",                   1,      FALSE,  FALSE },
870                 { "Sg", "size_greater",                 1,      FALSE,  FALSE },
871                 { "Ss", "size_smaller",                 1,      FALSE,  FALSE },
872                 { "t",  "to",                           1,      TRUE,   TRUE  },
873                 { "T",  "marked",                       0,      FALSE,  FALSE },
874                 { "U",  "unread",                       0,      FALSE,  FALSE },
875                 { "x",  "header \"References\"",        1,      TRUE,   TRUE  },
876                 { "X",  "test",                         1,      FALSE,  FALSE },
877                 { "y",  "header \"X-Label\"",           1,      TRUE,   TRUE  },
878                 { "&",  "&",                            0,      FALSE,  FALSE },
879                 { "|",  "|",                            0,      FALSE,  FALSE },
880                 { "p",  "partial",                      0,      FALSE,  FALSE },
881                 { NULL, NULL,                           0,      FALSE,  FALSE }
882         };
883
884         if (search_string == NULL)
885                 return NULL;
886
887         copy_str = g_strdup(search_string);
888
889         matcherstr = g_string_sized_new(16);
890         cmd_start = copy_str;
891         while (cmd_start && *cmd_start) {
892                 /* skip all white spaces */
893                 while (*cmd_start && isspace((guchar)*cmd_start))
894                         cmd_start++;
895                 cmd_end = cmd_start;
896
897                 /* extract a command */
898                 while (*cmd_end && !isspace((guchar)*cmd_end))
899                         cmd_end++;
900
901                 /* save character */
902                 save_char = *cmd_end;
903                 *cmd_end = '\0';
904
905                 dontmatch = FALSE;
906                 casesens = FALSE;
907
908                 /* ~ and ! mean logical NOT */
909                 if (*cmd_start == '~' || *cmd_start == '!')
910                 {
911                         dontmatch = TRUE;
912                         cmd_start++;
913                 }
914                 /* % means case sensitive match */
915                 if (*cmd_start == '%')
916                 {
917                         casesens = TRUE;
918                         cmd_start++;
919                 }
920
921                 /* find matching abbreviation */
922                 for (i = 0; cmds[i].command; i++) {
923                         if (!strcmp(cmd_start, cmds[i].abbreviated)) {
924                                 /* restore character */
925                                 *cmd_end = save_char;
926
927                                 /* copy command */
928                                 if (matcherstr->len > 0) {
929                                         g_string_append(matcherstr, " ");
930                                 }
931                                 if (dontmatch)
932                                         g_string_append(matcherstr, "~");
933                                 g_string_append(matcherstr, cmds[i].command);
934                                 g_string_append(matcherstr, " ");
935
936                                 /* stop if no params required */
937                                 if (cmds[i].numparams == 0)
938                                         break;
939
940                                 /* extract a parameter, allow quotes */
941                                 while (*cmd_end && isspace((guchar)*cmd_end))
942                                         cmd_end++;
943
944                                 cmd_start = cmd_end;
945                                 if (*cmd_start == '"') {
946                                         term_char = '"';
947                                         cmd_end++;
948                                 }
949                                 else
950                                         term_char = ' ';
951
952                                 /* extract actual parameter */
953                                 while ((*cmd_end) && (*cmd_end != term_char))
954                                         cmd_end++;
955
956                                 if (*cmd_end == '"')
957                                         cmd_end++;
958
959                                 save_char = *cmd_end;
960                                 *cmd_end = '\0';
961
962                                 if (cmds[i].qualifier) {
963                                         if (casesens)
964                                                 g_string_append(matcherstr, "regexp ");
965                                         else
966                                                 g_string_append(matcherstr, "regexpcase ");
967                                 }
968
969                                 /* do we need to add quotes ? */
970                                 if (cmds[i].quotes && term_char != '"')
971                                         g_string_append(matcherstr, "\"");
972
973                                 /* copy actual parameter */
974                                 g_string_append(matcherstr, cmd_start);
975
976                                 /* do we need to add quotes ? */
977                                 if (cmds[i].quotes && term_char != '"')
978                                         g_string_append(matcherstr, "\"");
979
980                                 /* restore original character */
981                                 *cmd_end = save_char;
982
983                                 break;
984                         }
985                 }
986
987                 if (*cmd_end)
988                         cmd_end++;
989                 cmd_start = cmd_end;
990         }
991
992         g_free(copy_str);
993
994         /* return search string if no match is found to allow
995            all available filtering expressions in quicksearch */
996         if (matcherstr->len > 0) returnstr = matcherstr->str;
997         else returnstr = g_strdup(search_string);
998
999         g_string_free(matcherstr, FALSE);
1000         return returnstr;
1001 }
1002
1003 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run)
1004 {
1005         quicksearch->running = run;
1006 }
1007
1008 gboolean quicksearch_is_running(QuickSearch *quicksearch)
1009 {
1010         return quicksearch->running;
1011 }
1012
1013 void quicksearch_pass_key(QuickSearch *quicksearch, guint val, GdkModifierType mod)
1014 {
1015         GtkEntry *entry = GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry);
1016         glong curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
1017         guint32 c;
1018         char *str = g_strdup(gtk_entry_get_text(entry));
1019         char *begin = str;
1020         char *end = NULL;
1021         char *new = NULL;
1022         char key[7] = "";
1023         guint char_len = 0;
1024
1025         if (gtk_editable_get_selection_bounds(GTK_EDITABLE(entry), NULL, NULL)) {
1026                 /* remove selection */
1027                 gtk_editable_delete_selection(GTK_EDITABLE(entry));
1028                 curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
1029                 /* refresh string */
1030                 g_free(str);
1031                 str = g_strdup(gtk_entry_get_text(entry));
1032                 begin = str;
1033         }
1034
1035         if (!(c = gdk_keyval_to_unicode(val))) {
1036                 g_free(str);
1037                 return;
1038         }
1039         char_len = g_unichar_to_utf8(c, key);
1040         if (char_len < 0)
1041                 return;
1042         key[char_len] = '\0';
1043         if (curpos < g_utf8_strlen(str, -1)) {
1044                 gchar *stop = g_utf8_offset_to_pointer(begin, curpos);
1045                 end = g_strdup(g_utf8_offset_to_pointer(str, curpos));
1046                 *stop = '\0';
1047                 new = g_strdup_printf("%s%s%s", begin, key, end);
1048                 gtk_entry_set_text(entry, new);
1049                 g_free(end);
1050         } else {
1051                 new = g_strdup_printf("%s%s", begin, key);
1052                 gtk_entry_set_text(entry, new);
1053         }
1054         g_free(str);
1055         g_free(new);
1056         gtk_editable_set_position(GTK_EDITABLE(entry), curpos+1);
1057
1058 }
1059
1060 static gboolean quicksearch_match_subfolder(QuickSearch *quicksearch,
1061                                  FolderItem *src)
1062 {
1063         GSList *msglist = folder_item_get_msg_list(src);
1064         GSList *cur;
1065         gboolean result = FALSE;
1066         gint num = 0, total = src->total_msgs;
1067         gint interval = quicksearch_is_fast(quicksearch) ? 5000:100;
1068
1069         statusbar_print_all(_("Searching in %s... \n"),
1070                 src->path ? src->path : "(null)");
1071         folder_item_update_freeze();
1072         for (cur = msglist; cur != NULL; cur = cur->next) {
1073                 MsgInfo *msg = (MsgInfo *)cur->data;
1074                 statusbar_progress_all(num++,total, interval);
1075                 if (quicksearch_match(quicksearch, msg)) {
1076                         procmsg_msginfo_free(msg);
1077                         result = TRUE;
1078                         break;
1079                 }
1080                 procmsg_msginfo_free(msg);
1081                 if (num % interval == 0)
1082                         GTK_EVENTS_FLUSH();
1083                 if (!quicksearch_is_active(quicksearch))
1084                         break;
1085         }
1086         folder_item_update_thaw();
1087         statusbar_progress_all(0,0,0);
1088         statusbar_pop_all();
1089
1090         g_slist_free(msglist);
1091         return result;
1092 }
1093
1094 void quicksearch_search_subfolders(QuickSearch *quicksearch,
1095                                    FolderView *folderview,
1096                                    FolderItem *folder_item)
1097 {
1098         FolderItem *cur = NULL;
1099         GNode *node = folder_item->node->children;
1100
1101         if (!prefs_common.summary_quicksearch_recurse
1102         ||  quicksearch->in_typing == TRUE)
1103                 return;
1104
1105         for (; node != NULL; node = node->next) {
1106                 cur = FOLDER_ITEM(node->data);
1107                 if (quicksearch_match_subfolder(quicksearch, cur)) {
1108                         folderview_update_search_icon(cur, TRUE);
1109                 } else {
1110                         folderview_update_search_icon(cur, FALSE);
1111                 }
1112                 if (cur->node->children)
1113                         quicksearch_search_subfolders(quicksearch,
1114                                                       folderview,
1115                                                       cur);
1116         }
1117         quicksearch->root_folder_item = folder_item;
1118         if (!quicksearch_is_active(quicksearch))
1119                 quicksearch_reset_cur_folder_item(quicksearch);
1120 }
1121
1122 static void quicksearch_reset_folder_items(QuickSearch *quicksearch,
1123                                     FolderItem *folder_item)
1124 {
1125         FolderItem *cur = NULL;
1126         GNode *node = (folder_item && folder_item->node) ?
1127                         folder_item->node->children : NULL;
1128
1129         for (; node != NULL; node = node->next) {
1130                 cur = FOLDER_ITEM(node->data);
1131                 folderview_update_search_icon(cur, FALSE);
1132                 if (cur->node->children)
1133                         quicksearch_reset_folder_items(quicksearch,
1134                                                        cur);
1135         }
1136 }
1137
1138 void quicksearch_reset_cur_folder_item(QuickSearch *quicksearch)
1139 {
1140         if (quicksearch->root_folder_item)
1141                 quicksearch_reset_folder_items(quicksearch,
1142                                                quicksearch->root_folder_item);
1143
1144         quicksearch->root_folder_item = NULL;
1145 }
1146
1147 gboolean quicksearch_is_in_typing(QuickSearch *quicksearch)
1148 {
1149         return quicksearch->in_typing;
1150 }