src/summary_search.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2013 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #include "defs.h"
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <gdk/gdkkeysyms.h>
  30 #include <gtk/gtk.h>
  31 #include "gtk/gtksctree.h"
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include <string.h>
  35
  36 #include "main.h"
  37 #include "summary_search.h"
  38 #include "summaryview.h"
  39 #include "messageview.h"
  40 #include "mainwindow.h"
  41 #include "menu.h"
  42 #include "utils.h"
  43 #include "gtkutils.h"
  44 #include "combobox.h"
  45 #include "prefs_gtk.h"
  46 #include "manage_window.h"
  47 #include "alertpanel.h"
  48 #include "advsearch.h"
  49 #include "matcher.h"
  50 #include "matcher_parser.h"
  51 #include "prefs_matcher.h"
  52 #include "manual.h"
  53 #include "prefs_common.h"
  54 #include "statusbar.h"
  55
  56 static struct SummarySearchWindow {
  57         GtkWidget *window;
  58
  59         GtkWidget *bool_optmenu;
  60
  61         GtkWidget *from_label;
  62         GtkWidget *from_entry;
  63         GtkWidget *to_label;
  64         GtkWidget *to_entry;
  65         GtkWidget *subject_label;
  66         GtkWidget *subject_entry;
  67         GtkWidget *body_label;
  68         GtkWidget *body_entry;
  69
  70         GtkWidget *adv_condition_label;
  71         GtkWidget *adv_condition_entry;
  72         GtkWidget *adv_condition_btn;
  73         GtkWidget *adv_search_checkbtn;
  74
  75         GtkWidget *case_checkbtn;
  76
  77         GtkWidget *clear_btn;
  78         GtkWidget *help_btn;
  79         GtkWidget *all_btn;
  80         GtkWidget *prev_btn;
  81         GtkWidget *next_btn;
  82         GtkWidget *close_btn;
  83         GtkWidget *stop_btn;
  84
  85         SummaryView *summaryview;
  86
  87         AdvancedSearch  *advsearch;
  88         gboolean        is_fast;
  89         gboolean        matcher_is_outdated;
  90         gboolean        search_in_progress;
  91         GHashTable      *matched_msgnums;
  92
  93         gboolean is_searching;
  94         gboolean from_entry_has_focus;
  95         gboolean to_entry_has_focus;
  96         gboolean subject_entry_has_focus;
  97         gboolean body_entry_has_focus;
  98         gboolean adv_condition_entry_has_focus;
  99 } search_window;
 100
 101 static gchar* add_history_get(GtkWidget *from, GList **history);
 102
 103 static void summary_search_create       (void);
 104
 105 static gboolean summary_search_verify_match             (MsgInfo *msg);
 106 static gboolean summary_search_prepare_matcher          ();
 107 static gboolean summary_search_prereduce_msg_list       ();
 108
 109 static void summary_search_execute      (gboolean        backward,
 110                                          gboolean        search_all);
 111
 112 static void summary_search_clear        (GtkButton      *button,
 113                                          gpointer        data);
 114 static void summary_search_prev_clicked (GtkButton      *button,
 115                                          gpointer        data);
 116 static void summary_search_next_clicked (GtkButton      *button,
 117                                          gpointer        data);
 118 static void summary_search_all_clicked  (GtkButton      *button,
 119                                          gpointer        data);
 120 static void summary_search_stop_clicked (GtkButton      *button,
 121                                          gpointer        data);
 122 static void adv_condition_btn_clicked   (GtkButton      *button,
 123                                          gpointer        data);
 124
 125 static void optmenu_changed                     (GtkComboBox *widget, gpointer user_data);
 126 static void from_changed                        (void);
 127 static void to_changed                          (void);
 128 static void subject_changed                     (void);
 129 static void body_changed                        (void);
 130 static void adv_condition_changed       (void);
 131 static void case_changed                        (GtkToggleButton *togglebutton, gpointer user_data);
 132
 133 static gboolean from_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 134                                   gpointer data);
 135 static gboolean from_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 136                                   gpointer data);
 137 static gboolean to_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 138                                   gpointer data);
 139 static gboolean to_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 140                                   gpointer data);
 141 static gboolean subject_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 142                                   gpointer data);
 143 static gboolean subject_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 144                                   gpointer data);
 145 static gboolean body_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 146                                   gpointer data);
 147 static gboolean body_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 148                                   gpointer data);
 149 static gboolean adv_condition_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 150                                   gpointer data);
 151 static gboolean adv_condition_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 152                                   gpointer data);
 153 static gboolean key_pressed             (GtkWidget      *widget,
 154                                          GdkEventKey    *event,
 155                                          gpointer        data);
 156
 157 #define GTK_BUTTON_SET_SENSITIVE(widget,sensitive) {                                    \
 158         gtk_widget_set_sensitive(widget, sensitive);                                    \
 159 }
 160
 161 static gchar* add_history_get(GtkWidget *from, GList **history)
 162 {
 163         gchar *result;
 164
 165         result = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(from));
 166         if (!result)
 167                 result = gtk_editable_get_chars(GTK_EDITABLE(gtk_bin_get_child(GTK_BIN(from))), 0, -1);
 168
 169         if (result && result[0] != '\0') {
 170                 /* add to history */
 171                 combobox_unset_popdown_strings(GTK_COMBO_BOX_TEXT(from));
 172                 *history = add_history(*history, result);
 173                 combobox_set_popdown_strings(GTK_COMBO_BOX_TEXT(from), *history);
 174
 175                 return result;
 176         } else {
 177                 g_free(result);
 178                 return NULL;
 179         }
 180 }
 181
 182 void summary_search(SummaryView *summaryview)
 183 {
 184         if (!search_window.window) {
 185                 summary_search_create();
 186         } else {
 187                 gtk_widget_hide(search_window.window);
 188         }
 189
 190         search_window.summaryview = summaryview;
 191
 192         gtk_widget_grab_focus(search_window.next_btn);
 193         gtk_widget_grab_focus(search_window.subject_entry);
 194         gtk_widget_show(search_window.window);
 195 }
 196
 197 static void summary_show_stop_button(void)
 198 {
 199         gtk_widget_hide(search_window.close_btn);
 200         gtk_widget_show(search_window.stop_btn);
 201         GTK_BUTTON_SET_SENSITIVE(search_window.clear_btn, FALSE)
 202         GTK_BUTTON_SET_SENSITIVE(search_window.all_btn, FALSE)
 203         GTK_BUTTON_SET_SENSITIVE(search_window.prev_btn, FALSE)
 204         GTK_BUTTON_SET_SENSITIVE(search_window.next_btn, FALSE)
 205         gtk_widget_set_sensitive(search_window.adv_condition_label, FALSE);
 206         gtk_widget_set_sensitive(search_window.adv_condition_entry, FALSE);
 207         gtk_widget_set_sensitive(search_window.adv_condition_btn, FALSE);
 208         gtk_widget_set_sensitive(search_window.to_label, FALSE);
 209         gtk_widget_set_sensitive(search_window.to_entry, FALSE);
 210         gtk_widget_set_sensitive(search_window.from_label, FALSE);
 211         gtk_widget_set_sensitive(search_window.from_entry, FALSE);
 212         gtk_widget_set_sensitive(search_window.subject_label, FALSE);
 213         gtk_widget_set_sensitive(search_window.subject_entry, FALSE);
 214         gtk_widget_set_sensitive(search_window.body_label, FALSE);
 215         gtk_widget_set_sensitive(search_window.body_entry, FALSE);
 216         gtk_widget_set_sensitive(search_window.bool_optmenu, FALSE);
 217         gtk_widget_set_sensitive(search_window.clear_btn, FALSE);
 218         gtk_widget_set_sensitive(search_window.case_checkbtn, FALSE);
 219         gtk_widget_set_sensitive(search_window.adv_search_checkbtn, FALSE);
 220 }
 221
 222 static void summary_hide_stop_button(void)
 223 {
 224         GTK_BUTTON_SET_SENSITIVE(search_window.clear_btn, TRUE)
 225         gtk_widget_hide(search_window.stop_btn);
 226         gtk_widget_show(search_window.close_btn);
 227         if (gtk_toggle_button_get_active
 228                         (GTK_TOGGLE_BUTTON(search_window.adv_search_checkbtn))) {
 229                 gtk_widget_set_sensitive(search_window.adv_condition_label, TRUE);
 230                 gtk_widget_set_sensitive(search_window.adv_condition_entry, TRUE);
 231                 gtk_widget_set_sensitive(search_window.adv_condition_btn, TRUE);
 232                 gtk_widget_set_sensitive(search_window.case_checkbtn, FALSE);
 233                 gtk_widget_set_sensitive(search_window.bool_optmenu, FALSE);
 234         } else {
 235                 gtk_widget_set_sensitive(search_window.to_label, TRUE);
 236                 gtk_widget_set_sensitive(search_window.to_entry, TRUE);
 237                 gtk_widget_set_sensitive(search_window.from_label, TRUE);
 238                 gtk_widget_set_sensitive(search_window.from_entry, TRUE);
 239                 gtk_widget_set_sensitive(search_window.subject_label, TRUE);
 240                 gtk_widget_set_sensitive(search_window.subject_entry, TRUE);
 241                 gtk_widget_set_sensitive(search_window.body_label, TRUE);
 242                 gtk_widget_set_sensitive(search_window.body_entry, TRUE);
 243                 gtk_widget_set_sensitive(search_window.case_checkbtn, TRUE);
 244                 gtk_widget_set_sensitive(search_window.bool_optmenu, TRUE);
 245         }
 246         gtk_widget_set_sensitive(search_window.clear_btn, TRUE);
 247         gtk_widget_set_sensitive(search_window.all_btn, TRUE);
 248         gtk_widget_set_sensitive(search_window.prev_btn, TRUE);
 249         gtk_widget_set_sensitive(search_window.next_btn, TRUE);
 250         gtk_widget_set_sensitive(search_window.adv_search_checkbtn, TRUE);
 251 }
 252
 253 static void summary_search_create(void)
 254 {
 255         GtkWidget *window;
 256         GtkWidget *vbox1;
 257         GtkWidget *bool_hbox;
 258         GtkWidget *bool_optmenu;
 259         GtkListStore *menu;
 260         GtkTreeIter iter;
 261         GtkWidget *clear_btn;
 262
 263         GtkWidget *table1;
 264         GtkWidget *from_label;
 265         GtkWidget *from_entry;
 266         GtkWidget *to_label;
 267         GtkWidget *to_entry;
 268         GtkWidget *subject_label;
 269         GtkWidget *subject_entry;
 270         GtkWidget *body_label;
 271         GtkWidget *body_entry;
 272         GtkWidget *adv_condition_label;
 273         GtkWidget *adv_condition_entry;
 274         GtkWidget *adv_condition_btn;
 275
 276         GtkWidget *checkbtn_hbox;
 277         GtkWidget *adv_search_checkbtn;
 278         GtkWidget *case_checkbtn;
 279
 280         GtkWidget *confirm_area;
 281         GtkWidget *help_btn;
 282         GtkWidget *all_btn;
 283         GtkWidget *prev_btn;
 284         GtkWidget *next_btn;
 285         GtkWidget *close_btn;
 286         GtkWidget *stop_btn;
 287         gboolean is_searching = FALSE;
 288
 289         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "summary_search");
 290         gtk_window_set_title(GTK_WINDOW (window), _("Search messages"));
 291         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 292         gtk_container_set_border_width(GTK_CONTAINER (window), 8);
 293         g_signal_connect(G_OBJECT(window), "delete_event",
 294                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 295         g_signal_connect(G_OBJECT(window), "key_press_event",
 296                          G_CALLBACK(key_pressed), NULL);
 297         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 298
 299         vbox1 = gtk_vbox_new (FALSE, 0);
 300         gtk_widget_show (vbox1);
 301         gtk_container_add (GTK_CONTAINER (window), vbox1);
 302
 303         bool_hbox = gtk_hbox_new(FALSE, 4);
 304         gtk_widget_show(bool_hbox);
 305         gtk_box_pack_start(GTK_BOX(vbox1), bool_hbox, FALSE, FALSE, 0);
 306
 307         bool_optmenu = gtkut_sc_combobox_create(NULL, FALSE);
 308         menu = GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(bool_optmenu)));
 309         gtk_widget_show(bool_optmenu);
 310         gtk_box_pack_start(GTK_BOX(bool_hbox), bool_optmenu, FALSE, FALSE, 0);
 311
 312         COMBOBOX_ADD(menu, _("Match any of the following"), 0);
 313         gtk_combo_box_set_active_iter(GTK_COMBO_BOX(bool_optmenu), &iter);
 314         COMBOBOX_ADD(menu, _("Match all of the following"), 1);
 315         g_signal_connect(G_OBJECT(bool_optmenu), "changed",
 316                          G_CALLBACK(optmenu_changed), NULL);
 317
 318         clear_btn = gtk_button_new_from_stock(GTK_STOCK_CLEAR);
 319         gtk_widget_show(clear_btn);
 320         gtk_box_pack_end(GTK_BOX(bool_hbox), clear_btn, FALSE, FALSE, 0);
 321
 322         table1 = gtk_table_new (5, 3, FALSE);
 323         gtk_widget_show (table1);
 324         gtk_box_pack_start (GTK_BOX (vbox1), table1, TRUE, TRUE, 0);
 325         gtk_container_set_border_width (GTK_CONTAINER (table1), 4);
 326         gtk_table_set_row_spacings (GTK_TABLE (table1), 8);
 327         gtk_table_set_col_spacings (GTK_TABLE (table1), 8);
 328
 329         from_entry = gtk_combo_box_text_new_with_entry ();
 330         gtk_combo_box_set_active(GTK_COMBO_BOX(from_entry), -1);
 331         if (prefs_common.summary_search_from_history)
 332                 combobox_set_popdown_strings(GTK_COMBO_BOX_TEXT(from_entry),
 333                                 prefs_common.summary_search_from_history);
 334         gtk_widget_show (from_entry);
 335         gtk_table_attach (GTK_TABLE (table1), from_entry, 1, 3, 0, 1,
 336                           GTK_EXPAND|GTK_FILL, 0, 0, 0);
 337         g_signal_connect(G_OBJECT(from_entry), "changed",
 338                          G_CALLBACK(from_changed), NULL);
 339         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((from_entry)))),
 340                          "focus_in_event", G_CALLBACK(from_entry_focus_evt_in), NULL);
 341         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((from_entry)))),
 342                          "focus_out_event", G_CALLBACK(from_entry_focus_evt_out), NULL);
 343
 344         to_entry = gtk_combo_box_text_new_with_entry ();
 345         gtk_combo_box_set_active(GTK_COMBO_BOX(to_entry), -1);
 346         if (prefs_common.summary_search_to_history)
 347                 combobox_set_popdown_strings(GTK_COMBO_BOX_TEXT(to_entry),
 348                                 prefs_common.summary_search_to_history);
 349         gtk_widget_show (to_entry);
 350         gtk_table_attach (GTK_TABLE (table1), to_entry, 1, 3, 1, 2,
 351                           GTK_EXPAND|GTK_FILL, 0, 0, 0);
 352         g_signal_connect(G_OBJECT(to_entry), "changed",
 353                          G_CALLBACK(to_changed), NULL);
 354         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((to_entry)))),
 355                          "focus_in_event", G_CALLBACK(to_entry_focus_evt_in), NULL);
 356         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((to_entry)))),
 357                          "focus_out_event", G_CALLBACK(to_entry_focus_evt_out), NULL);
 358
 359         subject_entry = gtk_combo_box_text_new_with_entry ();
 360         gtk_combo_box_set_active(GTK_COMBO_BOX(subject_entry), -1);
 361         if (prefs_common.summary_search_subject_history)
 362                 combobox_set_popdown_strings(GTK_COMBO_BOX_TEXT(subject_entry),
 363                                 prefs_common.summary_search_subject_history);
 364         gtk_widget_show (subject_entry);
 365         gtk_table_attach (GTK_TABLE (table1), subject_entry, 1, 3, 2, 3,
 366                           GTK_EXPAND|GTK_FILL, 0, 0, 0);
 367         g_signal_connect(G_OBJECT(subject_entry), "changed",
 368                          G_CALLBACK(subject_changed), NULL);
 369         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((subject_entry)))),
 370                          "focus_in_event", G_CALLBACK(subject_entry_focus_evt_in), NULL);
 371         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((subject_entry)))),
 372                          "focus_out_event", G_CALLBACK(subject_entry_focus_evt_out), NULL);
 373
 374         body_entry = gtk_combo_box_text_new_with_entry ();
 375         gtk_combo_box_set_active(GTK_COMBO_BOX(body_entry), -1);
 376         if (prefs_common.summary_search_body_history)
 377                 combobox_set_popdown_strings(GTK_COMBO_BOX_TEXT(body_entry),
 378                                 prefs_common.summary_search_body_history);
 379         gtk_widget_show (body_entry);
 380         gtk_table_attach (GTK_TABLE (table1), body_entry, 1, 3, 3, 4,
 381                           GTK_EXPAND|GTK_FILL, 0, 0, 0);
 382         g_signal_connect(G_OBJECT(body_entry), "changed",
 383                          G_CALLBACK(body_changed), NULL);
 384         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((body_entry)))),
 385                          "focus_in_event", G_CALLBACK(body_entry_focus_evt_in), NULL);
 386         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((body_entry)))),
 387                          "focus_out_event", G_CALLBACK(body_entry_focus_evt_out), NULL);
 388
 389         adv_condition_entry = gtk_combo_box_text_new_with_entry ();
 390         gtk_combo_box_set_active(GTK_COMBO_BOX(adv_condition_entry), -1);
 391         if (prefs_common.summary_search_adv_condition_history)
 392                 combobox_set_popdown_strings(GTK_COMBO_BOX_TEXT(adv_condition_entry),
 393                                 prefs_common.summary_search_adv_condition_history);
 394         gtk_widget_show (adv_condition_entry);
 395         gtk_table_attach (GTK_TABLE (table1), adv_condition_entry, 1, 2, 4, 5,
 396                           GTK_EXPAND|GTK_FILL, 0, 0, 0);
 397         g_signal_connect(G_OBJECT(adv_condition_entry), "changed",
 398                          G_CALLBACK(adv_condition_changed), NULL);
 399         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((adv_condition_entry)))),
 400                          "focus_in_event", G_CALLBACK(adv_condition_entry_focus_evt_in), NULL);
 401         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((adv_condition_entry)))),
 402                          "focus_out_event", G_CALLBACK(adv_condition_entry_focus_evt_out), NULL);
 403
 404         adv_condition_btn = gtk_button_new_with_label(" ... ");
 405         gtk_widget_show (adv_condition_btn);
 406         gtk_table_attach (GTK_TABLE (table1), adv_condition_btn, 2, 3, 4, 5,
 407                           GTK_FILL, 0, 0, 0);
 408         g_signal_connect(G_OBJECT (adv_condition_btn), "clicked",
 409                          G_CALLBACK(adv_condition_btn_clicked), search_window.window);
 410
 411         CLAWS_SET_TIP(adv_condition_btn,
 412                              _("Edit search criteria"));
 413
 414         from_label = gtk_label_new (_("From:"));
 415         gtk_widget_show (from_label);
 416         gtk_table_attach (GTK_TABLE (table1), from_label, 0, 1, 0, 1,
 417                           GTK_FILL, 0, 0, 0);
 418         gtk_label_set_justify (GTK_LABEL (from_label), GTK_JUSTIFY_RIGHT);
 419         gtk_misc_set_alignment (GTK_MISC (from_label), 1, 0.5);
 420
 421         to_label = gtk_label_new (_("To:"));
 422         gtk_widget_show (to_label);
 423         gtk_table_attach (GTK_TABLE (table1), to_label, 0, 1, 1, 2,
 424                           GTK_FILL, 0, 0, 0);
 425         gtk_label_set_justify (GTK_LABEL (to_label), GTK_JUSTIFY_RIGHT);
 426         gtk_misc_set_alignment (GTK_MISC (to_label), 1, 0.5);
 427
 428         subject_label = gtk_label_new (_("Subject:"));
 429         gtk_widget_show (subject_label);
 430         gtk_table_attach (GTK_TABLE (table1), subject_label, 0, 1, 2, 3,
 431                           GTK_FILL, 0, 0, 0);
 432         gtk_label_set_justify (GTK_LABEL (subject_label), GTK_JUSTIFY_RIGHT);
 433         gtk_misc_set_alignment (GTK_MISC (subject_label), 1, 0.5);
 434
 435         body_label = gtk_label_new (_("Body:"));
 436         gtk_widget_show (body_label);
 437         gtk_table_attach (GTK_TABLE (table1), body_label, 0, 1, 3, 4,
 438                           GTK_FILL, 0, 0, 0);
 439         gtk_label_set_justify (GTK_LABEL (body_label), GTK_JUSTIFY_RIGHT);
 440         gtk_misc_set_alignment (GTK_MISC (body_label), 1, 0.5);
 441
 442         adv_condition_label = gtk_label_new (_("Condition:"));
 443         gtk_widget_show (adv_condition_label);
 444         gtk_table_attach (GTK_TABLE (table1), adv_condition_label, 0, 1, 4, 5,
 445                           GTK_FILL, 0, 0, 0);
 446         gtk_label_set_justify (GTK_LABEL (adv_condition_label), GTK_JUSTIFY_RIGHT);
 447         gtk_misc_set_alignment (GTK_MISC (adv_condition_label), 1, 0.5);
 448
 449         checkbtn_hbox = gtk_hbox_new (FALSE, 8);
 450         gtk_widget_show (checkbtn_hbox);
 451         gtk_box_pack_start (GTK_BOX (vbox1), checkbtn_hbox, TRUE, TRUE, 0);
 452         gtk_container_set_border_width (GTK_CONTAINER (checkbtn_hbox), 8);
 453
 454         case_checkbtn = gtk_check_button_new_with_label (_("Case sensitive"));
 455         gtk_widget_show (case_checkbtn);
 456         gtk_box_pack_start (GTK_BOX (checkbtn_hbox), case_checkbtn,
 457                             FALSE, FALSE, 0);
 458         g_signal_connect(G_OBJECT(case_checkbtn), "changed",
 459                          G_CALLBACK(case_changed), NULL);
 460
 461         adv_search_checkbtn = gtk_check_button_new_with_label (_("Extended Search"));
 462         gtk_widget_show (adv_search_checkbtn);
 463         gtk_box_pack_start (GTK_BOX (checkbtn_hbox), adv_search_checkbtn,
 464                             FALSE, FALSE, 0);
 465         g_signal_connect(G_OBJECT(adv_search_checkbtn), "changed",
 466                          G_CALLBACK(case_changed), NULL);
 467
 468         confirm_area = gtk_hbutton_box_new();
 469         gtk_widget_show (confirm_area);
 470         gtk_button_box_set_layout(GTK_BUTTON_BOX(confirm_area),
 471                                   GTK_BUTTONBOX_END);
 472         gtk_box_set_spacing(GTK_BOX(confirm_area), 5);
 473
 474         gtkut_stock_button_add_help(confirm_area, &help_btn);
 475
 476         all_btn = gtk_button_new_with_mnemonic(_("Find _all"));
 477         gtk_widget_set_can_default(all_btn, TRUE);
 478         gtk_box_pack_start(GTK_BOX(confirm_area), all_btn, TRUE, TRUE, 0);
 479         gtk_widget_show(all_btn);
 480
 481         prev_btn = gtk_button_new_from_stock(GTK_STOCK_GO_BACK);
 482         gtk_widget_set_can_default(prev_btn, TRUE);
 483         gtk_box_pack_start(GTK_BOX(confirm_area), prev_btn, TRUE, TRUE, 0);
 484         gtk_widget_show(prev_btn);
 485
 486         next_btn = gtk_button_new_from_stock(GTK_STOCK_GO_FORWARD);
 487         gtk_widget_set_can_default(next_btn, TRUE);
 488         gtk_box_pack_start(GTK_BOX(confirm_area), next_btn, TRUE, TRUE, 0);
 489         gtk_widget_show(next_btn);
 490
 491         close_btn = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
 492         gtk_widget_set_can_default(close_btn, TRUE);
 493         gtk_box_pack_start(GTK_BOX(confirm_area), close_btn, TRUE, TRUE, 0);
 494         gtk_widget_show(close_btn);
 495
 496         /* stop button hidden */
 497         stop_btn = gtk_button_new_from_stock(GTK_STOCK_STOP);
 498         gtk_widget_set_can_default(stop_btn, TRUE);
 499         gtk_box_pack_start(GTK_BOX(confirm_area), stop_btn, TRUE, TRUE, 0);
 500
 501         gtk_box_pack_start (GTK_BOX (vbox1), confirm_area, FALSE, FALSE, 0);
 502         gtk_widget_grab_default(next_btn);
 503
 504         SET_TOGGLE_SENSITIVITY_REVERSE(adv_search_checkbtn, bool_optmenu)
 505         SET_TOGGLE_SENSITIVITY_REVERSE(adv_search_checkbtn, from_label)
 506         SET_TOGGLE_SENSITIVITY_REVERSE(adv_search_checkbtn, from_entry)
 507         SET_TOGGLE_SENSITIVITY_REVERSE(adv_search_checkbtn, to_label)
 508         SET_TOGGLE_SENSITIVITY_REVERSE(adv_search_checkbtn, to_entry)
 509         SET_TOGGLE_SENSITIVITY_REVERSE(adv_search_checkbtn, subject_label)
 510         SET_TOGGLE_SENSITIVITY_REVERSE(adv_search_checkbtn, subject_entry)
 511         SET_TOGGLE_SENSITIVITY_REVERSE(adv_search_checkbtn, body_label)
 512         SET_TOGGLE_SENSITIVITY_REVERSE(adv_search_checkbtn, body_entry)
 513         SET_TOGGLE_SENSITIVITY(adv_search_checkbtn, adv_condition_label)
 514         SET_TOGGLE_SENSITIVITY(adv_search_checkbtn, adv_condition_entry)
 515         SET_TOGGLE_SENSITIVITY(adv_search_checkbtn, adv_condition_btn)
 516         SET_TOGGLE_SENSITIVITY_REVERSE(adv_search_checkbtn, case_checkbtn)
 517
 518         g_signal_connect(G_OBJECT(help_btn), "clicked",
 519                          G_CALLBACK(manual_open_with_anchor_cb),
 520                          MANUAL_ANCHOR_SEARCHING);
 521         g_signal_connect(G_OBJECT(clear_btn), "clicked",
 522                          G_CALLBACK(summary_search_clear), NULL);
 523         g_signal_connect(G_OBJECT(all_btn), "clicked",
 524                          G_CALLBACK(summary_search_all_clicked), NULL);
 525         g_signal_connect(G_OBJECT(prev_btn), "clicked",
 526                          G_CALLBACK(summary_search_prev_clicked), NULL);
 527         g_signal_connect(G_OBJECT(next_btn), "clicked",
 528                          G_CALLBACK(summary_search_next_clicked), NULL);
 529         g_signal_connect_closure
 530                 (G_OBJECT(close_btn), "clicked",
 531                  g_cclosure_new_swap(G_CALLBACK(gtk_widget_hide),
 532              window, NULL), FALSE);
 533         g_signal_connect(G_OBJECT(stop_btn), "clicked",
 534                          G_CALLBACK(summary_search_stop_clicked), NULL);
 535
 536         search_window.window = window;
 537         search_window.bool_optmenu = bool_optmenu;
 538         search_window.from_label = from_label;
 539         search_window.from_entry = from_entry;
 540         search_window.to_label = to_label;
 541         search_window.to_entry = to_entry;
 542         search_window.subject_label = subject_label;
 543         search_window.subject_entry = subject_entry;
 544         search_window.body_label = body_label;
 545         search_window.body_entry = body_entry;
 546         search_window.adv_condition_label = adv_condition_label;
 547         search_window.adv_condition_entry = adv_condition_entry;
 548         search_window.adv_condition_btn = adv_condition_btn;
 549         search_window.case_checkbtn = case_checkbtn;
 550         search_window.adv_search_checkbtn = adv_search_checkbtn;
 551         search_window.clear_btn = clear_btn;
 552         search_window.help_btn = help_btn;
 553         search_window.all_btn = all_btn;
 554         search_window.prev_btn = prev_btn;
 555         search_window.next_btn = next_btn;
 556         search_window.close_btn = close_btn;
 557         search_window.stop_btn = stop_btn;
 558         search_window.advsearch = NULL;
 559         search_window.matcher_is_outdated = TRUE;
 560         search_window.search_in_progress = FALSE;
 561         search_window.matched_msgnums = NULL;
 562         search_window.is_searching = is_searching;
 563 }
 564
 565 static gboolean summary_search_verify_match(MsgInfo *msg)
 566 {
 567         gpointer msgnum = GUINT_TO_POINTER(msg->msgnum);
 568
 569         if (g_hash_table_lookup(search_window.matched_msgnums, msgnum) != NULL)
 570                 return TRUE;
 571         else
 572                 return FALSE;
 573 }
 574
 575 static gboolean summary_search_progress_cb(gpointer data, guint at, guint matched, guint total)
 576 {
 577         if (!search_window.is_searching) {
 578                 search_window.matcher_is_outdated = TRUE;
 579                 return FALSE;
 580         }
 581
 582         return summaryview_search_root_progress(search_window.summaryview, at, matched, total);
 583 }
 584
 585 static gboolean summary_search_prepare_matcher()
 586 {
 587         gboolean adv_search;
 588         gboolean bool_and = FALSE;
 589         gboolean case_sens = FALSE;
 590         gchar *matcher_str;
 591         gint match_type;
 592         gchar *from_str = NULL, *to_str = NULL, *subject_str = NULL;
 593         gchar *body_str = NULL;
 594         GSList *matchers = NULL;
 595
 596         if (!search_window.matcher_is_outdated)
 597                 return TRUE;
 598
 599         if (search_window.advsearch == NULL) {
 600                 search_window.advsearch = advsearch_new();
 601                 advsearch_set_on_error_cb(search_window.advsearch, NULL, NULL); /* TODO */
 602                 advsearch_set_on_progress_cb(search_window.advsearch,
 603                         summary_search_progress_cb, NULL);
 604         }
 605
 606         adv_search = gtk_toggle_button_get_active
 607                         (GTK_TOGGLE_BUTTON(search_window.adv_search_checkbtn));
 608
 609         if (adv_search) {
 610                 matcher_str = add_history_get(search_window.adv_condition_entry, &prefs_common.summary_search_adv_condition_history);
 611         } else {
 612                 MatcherList *matcher_list;
 613                 bool_and = combobox_get_active_data(GTK_COMBO_BOX(search_window.bool_optmenu));
 614                 case_sens = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(search_window.case_checkbtn));
 615
 616                 from_str    = add_history_get(search_window.from_entry, &prefs_common.summary_search_from_history);
 617                 to_str      = add_history_get(search_window.to_entry, &prefs_common.summary_search_to_history);
 618                 subject_str = add_history_get(search_window.subject_entry, &prefs_common.summary_search_subject_history);
 619                 body_str    = add_history_get(search_window.body_entry, &prefs_common.summary_search_body_history);
 620
 621                 if (!from_str && !to_str && !subject_str && !body_str) {
 622                         /* TODO: warn if no search criteria? (or make buttons enabled only when
 623                          * at least one search criteria has been set */
 624                         return FALSE;
 625                 }
 626
 627                 match_type = case_sens ? MATCHTYPE_MATCH : MATCHTYPE_MATCHCASE;
 628
 629                 if (from_str) {
 630                         MatcherProp *prop = matcherprop_new(MATCHCRITERIA_FROM, NULL, match_type, from_str, 0);
 631                         matchers = g_slist_append(matchers, prop);
 632                 }
 633                 if (to_str) {
 634                         MatcherProp *prop = matcherprop_new(MATCHCRITERIA_TO, NULL, match_type, to_str, 0);
 635                         matchers = g_slist_append(matchers, prop);
 636                 }
 637                 if (subject_str) {
 638                         MatcherProp *prop = matcherprop_new(MATCHCRITERIA_SUBJECT, NULL, match_type, subject_str, 0);
 639                         matchers = g_slist_append(matchers, prop);
 640                 }
 641                 if (body_str) {
 642                         MatcherProp *prop = matcherprop_new(MATCHCRITERIA_BODY_PART, NULL, match_type, body_str, 0);
 643                         matchers = g_slist_append(matchers, prop);
 644                 }
 645                 g_free(from_str);
 646                 g_free(to_str);
 647                 g_free(subject_str);
 648                 g_free(body_str);
 649
 650                 matcher_list = matcherlist_new(matchers, bool_and);
 651                 if (!matcher_list)
 652                         return FALSE;
 653
 654                 matcher_str = matcherlist_to_string(matcher_list);
 655                 matcherlist_free(matcher_list);
 656         }
 657         if (!matcher_str)
 658                 return FALSE;
 659
 660         advsearch_set(search_window.advsearch, ADVANCED_SEARCH_EXTENDED,
 661                       matcher_str);
 662
 663         debug_print("Advsearch set: %s\n", matcher_str);
 664         g_free(matcher_str);
 665
 666         if (!advsearch_has_proper_predicate(search_window.advsearch))
 667                 return FALSE;
 668
 669         search_window.matcher_is_outdated = FALSE;
 670
 671         return TRUE;
 672 }
 673
 674 static gboolean summary_search_prereduce_msg_list()
 675 {
 676         MsgInfoList *msglist = NULL;
 677         MsgNumberList *msgnums = NULL;
 678         MsgNumberList *cur;
 679         SummaryView *summaryview = search_window.summaryview;
 680         gboolean result;
 681         FolderItem *item = summaryview->folder_item;
 682         static GdkCursor *watch_cursor = NULL;
 683         if (!watch_cursor)
 684                 watch_cursor = gdk_cursor_new(GDK_WATCH);
 685
 686         if (search_window.matcher_is_outdated && !summary_search_prepare_matcher())
 687                 return FALSE;
 688
 689         main_window_cursor_wait(mainwindow_get_mainwindow());
 690         gdk_window_set_cursor(gtk_widget_get_window(search_window.window), watch_cursor);
 691         statusbar_print_all(_("Searching in %s... \n"),
 692                         item->path ? item->path : "(null)");
 693
 694         result = advsearch_search_msgs_in_folders(search_window.advsearch,
 695                         &msglist, item, FALSE);
 696         statusbar_pop_all();
 697         statusbar_progress_all(0, 0, 0);
 698         gdk_window_set_cursor(gtk_widget_get_window(search_window.window), NULL);
 699         main_window_cursor_normal(mainwindow_get_mainwindow());
 700
 701         if (!result)
 702                 return FALSE;
 703
 704         msgnums = procmsg_get_number_list_for_msgs(msglist);
 705         procmsg_msg_list_free(msglist);
 706
 707         if (search_window.matched_msgnums == NULL)
 708                 search_window.matched_msgnums = g_hash_table_new(g_direct_hash, NULL);
 709
 710         g_hash_table_remove_all(search_window.matched_msgnums);
 711
 712         for (cur = msgnums; cur != NULL; cur = cur->next)
 713                 g_hash_table_insert(search_window.matched_msgnums, cur->data, GINT_TO_POINTER(1));
 714
 715         g_slist_free(msgnums);
 716
 717         return TRUE;
 718 }
 719
 720 static void summary_search_execute(gboolean backward, gboolean search_all)
 721 {
 722         SummaryView *summaryview = search_window.summaryview;
 723         GtkCMCTree *ctree = GTK_CMCTREE(summaryview->ctree);
 724         GtkCMCTreeNode *node;
 725         MsgInfo *msginfo;
 726         gboolean all_searched = FALSE;
 727         gboolean matched = FALSE;
 728         gint i = 0;
 729
 730         if (summary_is_locked(summaryview))
 731                 return;
 732
 733         summary_lock(summaryview);
 734
 735         search_window.is_searching = TRUE;
 736         main_window_cursor_wait(summaryview->mainwin);
 737         summary_show_stop_button();
 738
 739         if (search_window.matcher_is_outdated && !summary_search_prereduce_msg_list())
 740                 goto exit;
 741
 742         if (search_all) {
 743                 summary_freeze(summaryview);
 744                 summary_unselect_all(summaryview);
 745                 node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 746                 backward = FALSE;
 747         } else if (!summaryview->selected) {
 748                 /* no selection, search from from list start */
 749                 if (backward)
 750                         node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list_end);
 751                 else
 752                         node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 753
 754                 if (!node) {
 755                         search_window.is_searching = FALSE;
 756                         summary_hide_stop_button();
 757                         main_window_cursor_normal(summaryview->mainwin);
 758                         summary_unlock(summaryview);
 759                         return;
 760                 }
 761         } else {
 762                 /* search from current selection */
 763                 if (backward)
 764                         node = gtkut_ctree_node_prev(ctree, summaryview->selected);
 765                 else
 766                         node = gtkut_ctree_node_next(ctree, summaryview->selected);
 767         }
 768
 769         for (; search_window.is_searching; i++) {
 770                 if (!node) {
 771                         gchar *str;
 772                         AlertValue val;
 773
 774                         if (search_all)
 775                                 break;
 776
 777                         if (all_searched) {
 778                                 alertpanel_full(_("Search failed"),
 779                                                 _("Search string not found."),
 780                                                 GTK_STOCK_CLOSE, NULL, NULL, ALERTFOCUS_FIRST,
 781                                                 FALSE, NULL, ALERT_WARNING);
 782                                 break;
 783                         }
 784
 785                         if (backward)
 786                                 str = _("Beginning of list reached; continue from end?");
 787                         else
 788                                 str = _("End of list reached; continue from beginning?");
 789
 790                         val = alertpanel(_("Search finished"), str,
 791                                          GTK_STOCK_NO, GTK_STOCK_YES, NULL,
 792                                          ALERTFOCUS_SECOND);
 793                         if (G_ALERTALTERNATE == val) {
 794                                 if (backward) {
 795                                         node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list_end);
 796                                 } else {
 797                                         node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 798                                 }
 799
 800                                 all_searched = TRUE;
 801
 802                                 manage_window_focus_in(search_window.window, NULL, NULL);
 803                         } else
 804                                 break;
 805                 }
 806
 807                 msginfo = gtk_cmctree_node_get_row_data(ctree, node);
 808
 809                 if (msginfo)
 810                         matched = summary_search_verify_match(msginfo);
 811                 else
 812                         matched = FALSE;
 813
 814                 if (matched) {
 815                         if (search_all) {
 816                                 gtk_cmctree_select(ctree, node);
 817                         } else {
 818                                 summary_unlock(summaryview);
 819                                 summary_select_node(summaryview, node,
 820                                                 OPEN_SELECTED_ON_SEARCH_RESULTS);
 821                                 summary_lock(summaryview);
 822                                 break;
 823                         }
 824                 }
 825
 826                 if (i % (search_window.is_fast ? 1000 : 100) == 0)
 827                         GTK_EVENTS_FLUSH();
 828
 829                 node = backward ? gtkut_ctree_node_prev(ctree, node)
 830                                 : gtkut_ctree_node_next(ctree, node);
 831         }
 832
 833 exit:
 834         search_window.is_searching = FALSE;
 835         summary_hide_stop_button();
 836         main_window_cursor_normal(summaryview->mainwin);
 837         if (search_all)
 838                 summary_thaw_with_status(summaryview);
 839         summary_unlock(summaryview);
 840 }
 841
 842 static void summary_search_clear(GtkButton *button, gpointer data)
 843 {
 844         if (gtk_toggle_button_get_active
 845                 (GTK_TOGGLE_BUTTON(search_window.adv_search_checkbtn))) {
 846                 gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN((search_window.adv_condition_entry)))), "");
 847         } else {
 848                 gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN((search_window.from_entry)))), "");
 849                 gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN((search_window.to_entry)))), "");
 850                 gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN((search_window.subject_entry)))), "");
 851                 gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN((search_window.body_entry)))), "");
 852         }
 853         /* stop searching */
 854         if (search_window.is_searching) {
 855                 search_window.is_searching = FALSE;
 856         }
 857         search_window.matcher_is_outdated = TRUE;
 858 }
 859
 860 static void summary_search_prev_clicked(GtkButton *button, gpointer data)
 861 {
 862         summary_search_execute(TRUE, FALSE);
 863 }
 864
 865 static void summary_search_next_clicked(GtkButton *button, gpointer data)
 866 {
 867         summary_search_execute(FALSE, FALSE);
 868 }
 869
 870 static void summary_search_all_clicked(GtkButton *button, gpointer data)
 871 {
 872         summary_search_execute(FALSE, TRUE);
 873 }
 874
 875 static void adv_condition_btn_done(MatcherList * matchers)
 876 {
 877         gchar *str;
 878
 879         cm_return_if_fail(
 880                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL);
 881
 882         if (matchers == NULL) {
 883                 return;
 884         }
 885
 886         str = matcherlist_to_string(matchers);
 887         search_window.matcher_is_outdated = TRUE;
 888
 889         if (str != NULL) {
 890                 gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN((search_window.adv_condition_entry)))), str);
 891                 g_free(str);
 892         }
 893 }
 894
 895 static void summary_search_stop_clicked(GtkButton *button, gpointer data)
 896 {
 897         search_window.is_searching = FALSE;
 898 }
 899
 900 static void adv_condition_btn_clicked(GtkButton *button, gpointer data)
 901 {
 902         const gchar * cond_str;
 903         MatcherList * matchers = NULL;
 904
 905         cm_return_if_fail( search_window.window != NULL );
 906
 907         /* re-use the current search value if it's a condition expression,
 908            otherwise ignore it silently */
 909         cond_str = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(search_window.adv_condition_entry));
 910         if (cond_str && *cond_str != '\0') {
 911                 matchers = matcher_parser_get_cond((gchar*)cond_str, NULL);
 912         }
 913
 914         prefs_matcher_open(matchers, adv_condition_btn_done);
 915
 916         if (matchers != NULL) {
 917                 matcherlist_free(matchers);
 918         }
 919 };
 920
 921 static void optmenu_changed(GtkComboBox *widget, gpointer user_data)
 922 {
 923         search_window.matcher_is_outdated = TRUE;
 924 }
 925
 926 static void from_changed(void)
 927 {
 928         if (!search_window.from_entry_has_focus)
 929                 gtk_widget_grab_focus(search_window.from_entry);
 930         search_window.matcher_is_outdated = TRUE;
 931 }
 932
 933 static void to_changed(void)
 934 {
 935         if (!search_window.to_entry_has_focus)
 936                 gtk_widget_grab_focus(search_window.to_entry);
 937         search_window.matcher_is_outdated = TRUE;
 938 }
 939
 940 static void subject_changed(void)
 941 {
 942         if (!search_window.subject_entry_has_focus)
 943                 gtk_widget_grab_focus(search_window.subject_entry);
 944         search_window.matcher_is_outdated = TRUE;
 945 }
 946
 947 static void body_changed(void)
 948 {
 949         if (!search_window.body_entry_has_focus)
 950                 gtk_widget_grab_focus(search_window.body_entry);
 951         search_window.matcher_is_outdated = TRUE;
 952 }
 953
 954 static void adv_condition_changed(void)
 955 {
 956         if (!search_window.adv_condition_entry_has_focus)
 957                 gtk_widget_grab_focus(search_window.adv_condition_entry);
 958         search_window.matcher_is_outdated = TRUE;
 959 }
 960
 961 static void case_changed(GtkToggleButton *togglebutton, gpointer user_data)
 962 {
 963         search_window.matcher_is_outdated = TRUE;
 964 }
 965
 966 static gboolean from_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 967                                   gpointer data)
 968 {
 969         search_window.from_entry_has_focus = TRUE;
 970         return FALSE;
 971 }
 972
 973 static gboolean from_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 974                                   gpointer data)
 975 {
 976         search_window.from_entry_has_focus = FALSE;
 977         return FALSE;
 978 }
 979
 980 static gboolean to_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 981                                   gpointer data)
 982 {
 983         search_window.to_entry_has_focus = TRUE;
 984         return FALSE;
 985 }
 986
 987 static gboolean to_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 988                                   gpointer data)
 989 {
 990         search_window.to_entry_has_focus = FALSE;
 991         return FALSE;
 992 }
 993
 994 static gboolean subject_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 995                                   gpointer data)
 996 {
 997         search_window.subject_entry_has_focus = TRUE;
 998         return FALSE;
 999 }
1000
1001 static gboolean subject_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
1002                                   gpointer data)
1003 {
1004         search_window.subject_entry_has_focus = FALSE;
1005         return FALSE;
1006 }
1007
1008 static gboolean body_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
1009                                   gpointer data)
1010 {
1011         search_window.body_entry_has_focus = TRUE;
1012         return FALSE;
1013 }
1014
1015 static gboolean body_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
1016                                   gpointer data)
1017 {
1018         search_window.body_entry_has_focus = FALSE;
1019         return FALSE;
1020 }
1021
1022 static gboolean adv_condition_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
1023                                   gpointer data)
1024 {
1025         search_window.adv_condition_entry_has_focus = TRUE;
1026         return FALSE;
1027 }
1028
1029 static gboolean adv_condition_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
1030                                   gpointer data)
1031 {
1032         search_window.adv_condition_entry_has_focus = FALSE;
1033         return FALSE;
1034 }
1035
1036 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
1037                             gpointer data)
1038 {
1039         if (event && (event->keyval == GDK_KEY_Escape)) {
1040                 /* ESC key will:
1041                         - stop a running search
1042                         - close the search window if no search is running
1043                 */
1044                 if (!search_window.is_searching) {
1045                         gtk_widget_hide(search_window.window);
1046                 } else {
1047                         search_window.is_searching = FALSE;
1048                 }
1049         }
1050
1051         if (event && (event->keyval == GDK_KEY_Return || event->keyval == GDK_KEY_KP_Enter)) {
1052                 if (!search_window.is_searching) {
1053                         summary_search_execute(FALSE, FALSE);
1054                 }
1055         }
1056
1057         if (event && (event->keyval == GDK_KEY_Down || event->keyval == GDK_KEY_Up)) {
1058                 if (search_window.from_entry_has_focus) {
1059                         combobox_set_value_from_arrow_key(
1060                                         GTK_COMBO_BOX(search_window.from_entry),
1061                                         event->keyval);
1062                         return TRUE;
1063                 }
1064                 if (search_window.to_entry_has_focus) {
1065                         combobox_set_value_from_arrow_key(
1066                                         GTK_COMBO_BOX(search_window.to_entry),
1067                                         event->keyval);
1068                         return TRUE;
1069                 }
1070                 if (search_window.subject_entry_has_focus) {
1071                         combobox_set_value_from_arrow_key(
1072                                         GTK_COMBO_BOX(search_window.subject_entry),
1073                                         event->keyval);
1074                         return TRUE;
1075                 }
1076                 if (search_window.body_entry_has_focus) {
1077                         combobox_set_value_from_arrow_key(
1078                                         GTK_COMBO_BOX(search_window.body_entry),
1079                                         event->keyval);
1080                         return TRUE;
1081                 }
1082                 if (search_window.adv_condition_entry_has_focus) {
1083                         combobox_set_value_from_arrow_key(
1084                                         GTK_COMBO_BOX(search_window.adv_condition_entry),
1085                                         event->keyval);
1086                         return TRUE;
1087                 }
1088         }
1089
1090         return FALSE;
1091 }