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 #if !GTK_CHECK_VERSION(3, 0, 0)
  32 #include "gtk/gtksctree.h"
  33 #endif
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <string.h>
  37
  38 #include "main.h"
  39 #include "summary_search.h"
  40 #include "summaryview.h"
  41 #include "messageview.h"
  42 #include "mainwindow.h"
  43 #include "menu.h"
  44 #include "utils.h"
  45 #include "gtkutils.h"
  46 #include "combobox.h"
  47 #include "prefs_gtk.h"
  48 #include "manage_window.h"
  49 #include "alertpanel.h"
  50 #include "advsearch.h"
  51 #include "matcher.h"
  52 #include "matcher_parser.h"
  53 #include "prefs_matcher.h"
  54 #include "manual.h"
  55 #include "prefs_common.h"
  56 #include "statusbar.h"
  57
  58 static struct SummarySearchWindow {
  59         GtkWidget *window;
  60
  61         GtkWidget *bool_optmenu;
  62
  63         GtkWidget *from_entry;
  64         GtkWidget *to_entry;
  65         GtkWidget *subject_entry;
  66         GtkWidget *body_entry;
  67
  68         GtkWidget *adv_condition_entry;
  69         GtkWidget *adv_condition_btn;
  70         GtkWidget *adv_search_checkbtn;
  71
  72         GtkWidget *case_checkbtn;
  73
  74         GtkWidget *clear_btn;
  75         GtkWidget *help_btn;
  76         GtkWidget *all_btn;
  77         GtkWidget *prev_btn;
  78         GtkWidget *next_btn;
  79         GtkWidget *close_btn;
  80         GtkWidget *stop_btn;
  81
  82         SummaryView *summaryview;
  83
  84         AdvancedSearch  *advsearch;
  85         gboolean        is_fast;
  86         gboolean        matcher_is_outdated;
  87         gboolean        search_in_progress;
  88         GHashTable      *matched_msgnums;
  89
  90         gboolean is_searching;
  91         gboolean from_entry_has_focus;
  92         gboolean to_entry_has_focus;
  93         gboolean subject_entry_has_focus;
  94         gboolean body_entry_has_focus;
  95         gboolean adv_condition_entry_has_focus;
  96 } search_window;
  97
  98 static gchar* add_history_get(GtkWidget *from, GList **history);
  99
 100 static void summary_search_create       (void);
 101
 102 static gboolean summary_search_verify_match             (MsgInfo *msg);
 103 static gboolean summary_search_prepare_matcher          ();
 104 static gboolean summary_search_prereduce_msg_list       ();
 105
 106 static void summary_search_execute      (gboolean        backward,
 107                                          gboolean        search_all);
 108
 109 static void summary_search_clear        (GtkButton      *button,
 110                                          gpointer        data);
 111 static void summary_search_prev_clicked (GtkButton      *button,
 112                                          gpointer        data);
 113 static void summary_search_next_clicked (GtkButton      *button,
 114                                          gpointer        data);
 115 static void summary_search_all_clicked  (GtkButton      *button,
 116                                          gpointer        data);
 117 static void summary_search_stop_clicked (GtkButton      *button,
 118                                          gpointer        data);
 119 static void adv_condition_btn_clicked   (GtkButton      *button,
 120                                          gpointer        data);
 121
 122 static void from_changed                        (void);
 123 static void to_changed                          (void);
 124 static void subject_changed                     (void);
 125 static void body_changed                        (void);
 126 static void adv_condition_changed       (void);
 127
 128 static gboolean from_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 129                                   gpointer data);
 130 static gboolean from_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 131                                   gpointer data);
 132 static gboolean to_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 133                                   gpointer data);
 134 static gboolean to_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 135                                   gpointer data);
 136 static gboolean subject_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 137                                   gpointer data);
 138 static gboolean subject_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 139                                   gpointer data);
 140 static gboolean body_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 141                                   gpointer data);
 142 static gboolean body_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 143                                   gpointer data);
 144 static gboolean adv_condition_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 145                                   gpointer data);
 146 static gboolean adv_condition_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 147                                   gpointer data);
 148 static gboolean key_pressed             (GtkWidget      *widget,
 149                                          GdkEventKey    *event,
 150                                          gpointer        data);
 151
 152 #if !GTK_CHECK_VERSION(2,14,0)
 153 /* Work around http://bugzilla.gnome.org/show_bug.cgi?id=56070 */
 154 #define GTK_BUTTON_SET_SENSITIVE(widget,sensitive) {                                    \
 155         gboolean in_btn = FALSE;                                                        \
 156         if (GTK_IS_BUTTON(widget))                                                      \
 157                 in_btn = GTK_BUTTON(widget)->in_button;                                 \
 158         gtk_widget_set_sensitive(widget, sensitive);                                    \
 159         if (GTK_IS_BUTTON(widget))                                                      \
 160                 GTK_BUTTON(widget)->in_button = in_btn;                                 \
 161 }
 162 #else
 163 #define GTK_BUTTON_SET_SENSITIVE(widget,sensitive) {                                    \
 164         gtk_widget_set_sensitive(widget, sensitive);                                    \
 165 }
 166 #endif
 167
 168 static gchar* add_history_get(GtkWidget *from, GList **history)
 169 {
 170         gchar *result;
 171
 172 #if !GTK_CHECK_VERSION(2, 24, 0)
 173         result = gtk_combo_box_get_active_text(GTK_COMBO_BOX(from));
 174 #else
 175         result = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(from));
 176 #endif
 177         if (!result)
 178                 result = gtk_editable_get_chars(GTK_EDITABLE(gtk_bin_get_child(GTK_BIN(from))), 0, -1);
 179
 180         if (result && result[0] != '\0') {
 181                 /* add to history */
 182 #if !GTK_CHECK_VERSION(2, 24, 0)
 183                 combobox_unset_popdown_strings(GTK_COMBO_BOX(from));
 184 #else
 185                 combobox_unset_popdown_strings(GTK_COMBO_BOX_TEXT(from));
 186 #endif
 187                 *history = add_history(*history, result);
 188 #if !GTK_CHECK_VERSION(2, 24, 0)
 189                 combobox_set_popdown_strings(GTK_COMBO_BOX(from), *history);
 190 #else
 191                 combobox_set_popdown_strings(GTK_COMBO_BOX_TEXT(from), *history);
 192 #endif
 193
 194                 return result;
 195         } else {
 196                 g_free(result);
 197                 return NULL;
 198         }
 199 }
 200
 201 void summary_search(SummaryView *summaryview)
 202 {
 203         if (!search_window.window) {
 204                 summary_search_create();
 205         } else {
 206                 gtk_widget_hide(search_window.window);
 207         }
 208
 209         search_window.summaryview = summaryview;
 210
 211         gtk_widget_grab_focus(search_window.next_btn);
 212         gtk_widget_grab_focus(search_window.subject_entry);
 213         gtk_widget_show(search_window.window);
 214 }
 215
 216 static void summary_show_stop_button(void)
 217 {
 218         gtk_widget_hide(search_window.close_btn);
 219         gtk_widget_show(search_window.stop_btn);
 220         GTK_BUTTON_SET_SENSITIVE(search_window.all_btn, FALSE)
 221         GTK_BUTTON_SET_SENSITIVE(search_window.prev_btn, FALSE)
 222         GTK_BUTTON_SET_SENSITIVE(search_window.next_btn, FALSE)
 223 }
 224
 225 static void summary_hide_stop_button(void)
 226 {
 227         gtk_widget_hide(search_window.stop_btn);
 228         gtk_widget_show(search_window.close_btn);
 229         gtk_widget_set_sensitive(search_window.all_btn, TRUE);
 230         gtk_widget_set_sensitive(search_window.prev_btn, TRUE);
 231         gtk_widget_set_sensitive(search_window.next_btn, TRUE);
 232 }
 233
 234 static void summary_search_create(void)
 235 {
 236         GtkWidget *window;
 237         GtkWidget *vbox1;
 238         GtkWidget *bool_hbox;
 239         GtkWidget *bool_optmenu;
 240         GtkListStore *menu;
 241         GtkTreeIter iter;
 242         GtkWidget *clear_btn;
 243
 244         GtkWidget *table1;
 245         GtkWidget *from_label;
 246         GtkWidget *from_entry;
 247         GtkWidget *to_label;
 248         GtkWidget *to_entry;
 249         GtkWidget *subject_label;
 250         GtkWidget *subject_entry;
 251         GtkWidget *body_label;
 252         GtkWidget *body_entry;
 253         GtkWidget *adv_condition_label;
 254         GtkWidget *adv_condition_entry;
 255         GtkWidget *adv_condition_btn;
 256
 257         GtkWidget *checkbtn_hbox;
 258         GtkWidget *adv_search_checkbtn;
 259         GtkWidget *case_checkbtn;
 260
 261         GtkWidget *confirm_area;
 262         GtkWidget *help_btn;
 263         GtkWidget *all_btn;
 264         GtkWidget *prev_btn;
 265         GtkWidget *next_btn;
 266         GtkWidget *close_btn;
 267         GtkWidget *stop_btn;
 268         gboolean is_searching = FALSE;
 269
 270         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "summary_search");
 271         gtk_window_set_title(GTK_WINDOW (window), _("Search messages"));
 272         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 273         gtk_container_set_border_width(GTK_CONTAINER (window), 8);
 274         g_signal_connect(G_OBJECT(window), "delete_event",
 275                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 276         g_signal_connect(G_OBJECT(window), "key_press_event",
 277                          G_CALLBACK(key_pressed), NULL);
 278         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 279
 280         vbox1 = gtk_vbox_new (FALSE, 0);
 281         gtk_widget_show (vbox1);
 282         gtk_container_add (GTK_CONTAINER (window), vbox1);
 283
 284         bool_hbox = gtk_hbox_new(FALSE, 4);
 285         gtk_widget_show(bool_hbox);
 286         gtk_box_pack_start(GTK_BOX(vbox1), bool_hbox, FALSE, FALSE, 0);
 287
 288         bool_optmenu = gtkut_sc_combobox_create(NULL, FALSE);
 289         menu = GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(bool_optmenu)));
 290         gtk_widget_show(bool_optmenu);
 291         gtk_box_pack_start(GTK_BOX(bool_hbox), bool_optmenu, FALSE, FALSE, 0);
 292
 293         COMBOBOX_ADD(menu, _("Match any of the following"), 0);
 294         gtk_combo_box_set_active_iter(GTK_COMBO_BOX(bool_optmenu), &iter);
 295         COMBOBOX_ADD(menu, _("Match all of the following"), 1);
 296
 297         clear_btn = gtk_button_new_from_stock(GTK_STOCK_CLEAR);
 298         gtk_widget_show(clear_btn);
 299         gtk_box_pack_end(GTK_BOX(bool_hbox), clear_btn, FALSE, FALSE, 0);
 300
 301         table1 = gtk_table_new (5, 3, FALSE);
 302         gtk_widget_show (table1);
 303         gtk_box_pack_start (GTK_BOX (vbox1), table1, TRUE, TRUE, 0);
 304         gtk_container_set_border_width (GTK_CONTAINER (table1), 4);
 305         gtk_table_set_row_spacings (GTK_TABLE (table1), 8);
 306         gtk_table_set_col_spacings (GTK_TABLE (table1), 8);
 307
 308 #if !GTK_CHECK_VERSION(2, 24, 0)
 309         from_entry = gtk_combo_box_entry_new_text ();
 310 #else
 311         from_entry = gtk_combo_box_text_new_with_entry ();
 312 #endif
 313         gtk_combo_box_set_active(GTK_COMBO_BOX(from_entry), -1);
 314         if (prefs_common.summary_search_from_history)
 315 #if !GTK_CHECK_VERSION(2, 24, 0)
 316                 combobox_set_popdown_strings(GTK_COMBO_BOX(from_entry),
 317                                 prefs_common.summary_search_from_history);
 318 #else
 319                 combobox_set_popdown_strings(GTK_COMBO_BOX_TEXT(from_entry),
 320                                 prefs_common.summary_search_from_history);
 321 #endif
 322         gtk_widget_show (from_entry);
 323         gtk_table_attach (GTK_TABLE (table1), from_entry, 1, 3, 0, 1,
 324                           GTK_EXPAND|GTK_FILL, 0, 0, 0);
 325         g_signal_connect(G_OBJECT(from_entry), "changed",
 326                          G_CALLBACK(from_changed), NULL);
 327         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((from_entry)))),
 328                          "focus_in_event", G_CALLBACK(from_entry_focus_evt_in), NULL);
 329         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((from_entry)))),
 330                          "focus_out_event", G_CALLBACK(from_entry_focus_evt_out), NULL);
 331
 332 #if !GTK_CHECK_VERSION(2, 24, 0)
 333         to_entry = gtk_combo_box_entry_new_text ();
 334 #else
 335         to_entry = gtk_combo_box_text_new_with_entry ();
 336 #endif
 337         gtk_combo_box_set_active(GTK_COMBO_BOX(to_entry), -1);
 338         if (prefs_common.summary_search_to_history)
 339 #if !GTK_CHECK_VERSION(2, 24, 0)
 340                 combobox_set_popdown_strings(GTK_COMBO_BOX(to_entry),
 341                                 prefs_common.summary_search_to_history);
 342 #else
 343                 combobox_set_popdown_strings(GTK_COMBO_BOX_TEXT(to_entry),
 344                                 prefs_common.summary_search_to_history);
 345 #endif
 346         gtk_widget_show (to_entry);
 347         gtk_table_attach (GTK_TABLE (table1), to_entry, 1, 3, 1, 2,
 348                           GTK_EXPAND|GTK_FILL, 0, 0, 0);
 349         g_signal_connect(G_OBJECT(to_entry), "changed",
 350                          G_CALLBACK(to_changed), NULL);
 351         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((to_entry)))),
 352                          "focus_in_event", G_CALLBACK(to_entry_focus_evt_in), NULL);
 353         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((to_entry)))),
 354                          "focus_out_event", G_CALLBACK(to_entry_focus_evt_out), NULL);
 355
 356 #if !GTK_CHECK_VERSION(2, 24, 0)
 357         subject_entry = gtk_combo_box_entry_new_text ();
 358 #else
 359         subject_entry = gtk_combo_box_text_new_with_entry ();
 360 #endif
 361         gtk_combo_box_set_active(GTK_COMBO_BOX(subject_entry), -1);
 362         if (prefs_common.summary_search_subject_history)
 363 #if !GTK_CHECK_VERSION(2, 24, 0)
 364                 combobox_set_popdown_strings(GTK_COMBO_BOX(subject_entry),
 365                                 prefs_common.summary_search_subject_history);
 366 #else
 367                 combobox_set_popdown_strings(GTK_COMBO_BOX_TEXT(subject_entry),
 368                                 prefs_common.summary_search_subject_history);
 369 #endif
 370         gtk_widget_show (subject_entry);
 371         gtk_table_attach (GTK_TABLE (table1), subject_entry, 1, 3, 2, 3,
 372                           GTK_EXPAND|GTK_FILL, 0, 0, 0);
 373         g_signal_connect(G_OBJECT(subject_entry), "changed",
 374                          G_CALLBACK(subject_changed), NULL);
 375         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((subject_entry)))),
 376                          "focus_in_event", G_CALLBACK(subject_entry_focus_evt_in), NULL);
 377         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((subject_entry)))),
 378                          "focus_out_event", G_CALLBACK(subject_entry_focus_evt_out), NULL);
 379
 380 #if !GTK_CHECK_VERSION(2, 24, 0)
 381         body_entry = gtk_combo_box_entry_new_text ();
 382 #else
 383         body_entry = gtk_combo_box_text_new_with_entry ();
 384 #endif
 385         gtk_combo_box_set_active(GTK_COMBO_BOX(body_entry), -1);
 386         if (prefs_common.summary_search_body_history)
 387 #if !GTK_CHECK_VERSION(2, 24, 0)
 388                 combobox_set_popdown_strings(GTK_COMBO_BOX(body_entry),
 389                                 prefs_common.summary_search_body_history);
 390 #else
 391                 combobox_set_popdown_strings(GTK_COMBO_BOX_TEXT(body_entry),
 392                                 prefs_common.summary_search_body_history);
 393 #endif
 394         gtk_widget_show (body_entry);
 395         gtk_table_attach (GTK_TABLE (table1), body_entry, 1, 3, 3, 4,
 396                           GTK_EXPAND|GTK_FILL, 0, 0, 0);
 397         g_signal_connect(G_OBJECT(body_entry), "changed",
 398                          G_CALLBACK(body_changed), NULL);
 399         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((body_entry)))),
 400                          "focus_in_event", G_CALLBACK(body_entry_focus_evt_in), NULL);
 401         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((body_entry)))),
 402                          "focus_out_event", G_CALLBACK(body_entry_focus_evt_out), NULL);
 403
 404 #if !GTK_CHECK_VERSION(2, 24, 0)
 405         adv_condition_entry = gtk_combo_box_entry_new_text ();
 406 #else
 407         adv_condition_entry = gtk_combo_box_text_new_with_entry ();
 408 #endif
 409         gtk_combo_box_set_active(GTK_COMBO_BOX(adv_condition_entry), -1);
 410         if (prefs_common.summary_search_adv_condition_history)
 411 #if !GTK_CHECK_VERSION(2, 24, 0)
 412                 combobox_set_popdown_strings(GTK_COMBO_BOX(adv_condition_entry),
 413                                 prefs_common.summary_search_adv_condition_history);
 414 #else
 415                 combobox_set_popdown_strings(GTK_COMBO_BOX_TEXT(adv_condition_entry),
 416                                 prefs_common.summary_search_adv_condition_history);
 417 #endif
 418         gtk_widget_show (adv_condition_entry);
 419         gtk_table_attach (GTK_TABLE (table1), adv_condition_entry, 1, 2, 4, 5,
 420                           GTK_EXPAND|GTK_FILL, 0, 0, 0);
 421         g_signal_connect(G_OBJECT(adv_condition_entry), "changed",
 422                          G_CALLBACK(adv_condition_changed), NULL);
 423         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((adv_condition_entry)))),
 424                          "focus_in_event", G_CALLBACK(adv_condition_entry_focus_evt_in), NULL);
 425         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN((adv_condition_entry)))),
 426                          "focus_out_event", G_CALLBACK(adv_condition_entry_focus_evt_out), NULL);
 427
 428         adv_condition_btn = gtk_button_new_with_label(" ... ");
 429         gtk_widget_show (adv_condition_btn);
 430         gtk_table_attach (GTK_TABLE (table1), adv_condition_btn, 2, 3, 4, 5,
 431                           GTK_FILL, 0, 0, 0);
 432         g_signal_connect(G_OBJECT (adv_condition_btn), "clicked",
 433                          G_CALLBACK(adv_condition_btn_clicked), search_window.window);
 434
 435         CLAWS_SET_TIP(adv_condition_btn,
 436                              _("Edit search criteria"));
 437
 438         from_label = gtk_label_new (_("From:"));
 439         gtk_widget_show (from_label);
 440         gtk_table_attach (GTK_TABLE (table1), from_label, 0, 1, 0, 1,
 441                           GTK_FILL, 0, 0, 0);
 442         gtk_label_set_justify (GTK_LABEL (from_label), GTK_JUSTIFY_RIGHT);
 443         gtk_misc_set_alignment (GTK_MISC (from_label), 1, 0.5);
 444
 445         to_label = gtk_label_new (_("To:"));
 446         gtk_widget_show (to_label);
 447         gtk_table_attach (GTK_TABLE (table1), to_label, 0, 1, 1, 2,
 448                           GTK_FILL, 0, 0, 0);
 449         gtk_label_set_justify (GTK_LABEL (to_label), GTK_JUSTIFY_RIGHT);
 450         gtk_misc_set_alignment (GTK_MISC (to_label), 1, 0.5);
 451
 452         subject_label = gtk_label_new (_("Subject:"));
 453         gtk_widget_show (subject_label);
 454         gtk_table_attach (GTK_TABLE (table1), subject_label, 0, 1, 2, 3,
 455                           GTK_FILL, 0, 0, 0);
 456         gtk_label_set_justify (GTK_LABEL (subject_label), GTK_JUSTIFY_RIGHT);
 457         gtk_misc_set_alignment (GTK_MISC (subject_label), 1, 0.5);
 458
 459         body_label = gtk_label_new (_("Body:"));
 460         gtk_widget_show (body_label);
 461         gtk_table_attach (GTK_TABLE (table1), body_label, 0, 1, 3, 4,
 462                           GTK_FILL, 0, 0, 0);
 463         gtk_label_set_justify (GTK_LABEL (body_label), GTK_JUSTIFY_RIGHT);
 464         gtk_misc_set_alignment (GTK_MISC (body_label), 1, 0.5);
 465
 466         adv_condition_label = gtk_label_new (_("Condition:"));
 467         gtk_widget_show (adv_condition_label);
 468         gtk_table_attach (GTK_TABLE (table1), adv_condition_label, 0, 1, 4, 5,
 469                           GTK_FILL, 0, 0, 0);
 470         gtk_label_set_justify (GTK_LABEL (adv_condition_label), GTK_JUSTIFY_RIGHT);
 471         gtk_misc_set_alignment (GTK_MISC (adv_condition_label), 1, 0.5);
 472
 473         checkbtn_hbox = gtk_hbox_new (FALSE, 8);
 474         gtk_widget_show (checkbtn_hbox);
 475         gtk_box_pack_start (GTK_BOX (vbox1), checkbtn_hbox, TRUE, TRUE, 0);
 476         gtk_container_set_border_width (GTK_CONTAINER (checkbtn_hbox), 8);
 477
 478         case_checkbtn = gtk_check_button_new_with_label (_("Case sensitive"));
 479         gtk_widget_show (case_checkbtn);
 480         gtk_box_pack_start (GTK_BOX (checkbtn_hbox), case_checkbtn,
 481                             FALSE, FALSE, 0);
 482
 483         adv_search_checkbtn = gtk_check_button_new_with_label (_("Extended Search"));
 484         gtk_widget_show (adv_search_checkbtn);
 485         gtk_box_pack_start (GTK_BOX (checkbtn_hbox), adv_search_checkbtn,
 486                             FALSE, FALSE, 0);
 487
 488         confirm_area = gtk_hbutton_box_new();
 489         gtk_widget_show (confirm_area);
 490         gtk_button_box_set_layout(GTK_BUTTON_BOX(confirm_area),
 491                                   GTK_BUTTONBOX_END);
 492         gtk_box_set_spacing(GTK_BOX(confirm_area), 5);
 493
 494         gtkut_stock_button_add_help(confirm_area, &help_btn);
 495
 496         all_btn = gtk_button_new_with_mnemonic(_("Find _all"));
 497         gtkut_widget_set_can_default(all_btn, TRUE);
 498         gtk_box_pack_start(GTK_BOX(confirm_area), all_btn, TRUE, TRUE, 0);
 499         gtk_widget_show(all_btn);
 500
 501         prev_btn = gtk_button_new_from_stock(GTK_STOCK_GO_BACK);
 502         gtkut_widget_set_can_default(prev_btn, TRUE);
 503         gtk_box_pack_start(GTK_BOX(confirm_area), prev_btn, TRUE, TRUE, 0);
 504         gtk_widget_show(prev_btn);
 505
 506         next_btn = gtk_button_new_from_stock(GTK_STOCK_GO_FORWARD);
 507         gtkut_widget_set_can_default(next_btn, TRUE);
 508         gtk_box_pack_start(GTK_BOX(confirm_area), next_btn, TRUE, TRUE, 0);
 509         gtk_widget_show(next_btn);
 510
 511         close_btn = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
 512         gtkut_widget_set_can_default(close_btn, TRUE);
 513         gtk_box_pack_start(GTK_BOX(confirm_area), close_btn, TRUE, TRUE, 0);
 514         gtk_widget_show(close_btn);
 515
 516         /* stop button hidden */
 517         stop_btn = gtk_button_new_from_stock(GTK_STOCK_STOP);
 518         gtkut_widget_set_can_default(stop_btn, TRUE);
 519         gtk_box_pack_start(GTK_BOX(confirm_area), stop_btn, TRUE, TRUE, 0);
 520
 521         gtk_box_pack_start (GTK_BOX (vbox1), confirm_area, FALSE, FALSE, 0);
 522         gtk_widget_grab_default(next_btn);
 523
 524         SET_TOGGLE_SENSITIVITY_REVERSE(adv_search_checkbtn, bool_optmenu)
 525         SET_TOGGLE_SENSITIVITY_REVERSE(adv_search_checkbtn, from_entry)
 526         SET_TOGGLE_SENSITIVITY_REVERSE(adv_search_checkbtn, to_entry)
 527         SET_TOGGLE_SENSITIVITY_REVERSE(adv_search_checkbtn, subject_entry)
 528         SET_TOGGLE_SENSITIVITY_REVERSE(adv_search_checkbtn, body_entry)
 529         SET_TOGGLE_SENSITIVITY(adv_search_checkbtn, adv_condition_label)
 530         SET_TOGGLE_SENSITIVITY(adv_search_checkbtn, adv_condition_entry)
 531         SET_TOGGLE_SENSITIVITY(adv_search_checkbtn, adv_condition_btn)
 532         SET_TOGGLE_SENSITIVITY_REVERSE(adv_search_checkbtn, case_checkbtn)
 533
 534         g_signal_connect(G_OBJECT(help_btn), "clicked",
 535                          G_CALLBACK(manual_open_with_anchor_cb),
 536                          MANUAL_ANCHOR_SEARCHING);
 537         g_signal_connect(G_OBJECT(clear_btn), "clicked",
 538                          G_CALLBACK(summary_search_clear), NULL);
 539         g_signal_connect(G_OBJECT(all_btn), "clicked",
 540                          G_CALLBACK(summary_search_all_clicked), NULL);
 541         g_signal_connect(G_OBJECT(prev_btn), "clicked",
 542                          G_CALLBACK(summary_search_prev_clicked), NULL);
 543         g_signal_connect(G_OBJECT(next_btn), "clicked",
 544                          G_CALLBACK(summary_search_next_clicked), NULL);
 545         g_signal_connect_closure
 546                 (G_OBJECT(close_btn), "clicked",
 547                  g_cclosure_new_swap(G_CALLBACK(gtk_widget_hide),
 548              window, NULL), FALSE);
 549         g_signal_connect(G_OBJECT(stop_btn), "clicked",
 550                          G_CALLBACK(summary_search_stop_clicked), NULL);
 551
 552         search_window.window = window;
 553         search_window.bool_optmenu = bool_optmenu;
 554         search_window.from_entry = from_entry;
 555         search_window.to_entry = to_entry;
 556         search_window.subject_entry = subject_entry;
 557         search_window.body_entry = body_entry;
 558         search_window.adv_condition_entry = adv_condition_entry;
 559         search_window.adv_condition_btn = adv_condition_btn;
 560         search_window.case_checkbtn = case_checkbtn;
 561         search_window.adv_search_checkbtn = adv_search_checkbtn;
 562         search_window.clear_btn = clear_btn;
 563         search_window.help_btn = help_btn;
 564         search_window.all_btn = all_btn;
 565         search_window.prev_btn = prev_btn;
 566         search_window.next_btn = next_btn;
 567         search_window.close_btn = close_btn;
 568         search_window.stop_btn = stop_btn;
 569         search_window.advsearch = NULL;
 570         search_window.matcher_is_outdated = TRUE;
 571         search_window.search_in_progress = FALSE;
 572         search_window.matched_msgnums = NULL;
 573         search_window.is_searching = is_searching;
 574 }
 575
 576 static gboolean summary_search_verify_match(MsgInfo *msg)
 577 {
 578         gpointer msgnum = GUINT_TO_POINTER(msg->msgnum);
 579
 580         if (g_hash_table_lookup(search_window.matched_msgnums, msgnum) != NULL)
 581                 return TRUE;
 582         else
 583                 return FALSE;
 584 }
 585
 586 static gboolean summary_search_progress_cb(gpointer data, guint at, guint matched, guint total)
 587 {
 588         if (!search_window.is_searching) {
 589                 search_window.matcher_is_outdated = TRUE;
 590                 return FALSE;
 591         }
 592
 593         return summaryview_search_root_progress(search_window.summaryview, at, matched, total);
 594 }
 595
 596 static gboolean summary_search_prepare_matcher()
 597 {
 598         gboolean adv_search;
 599         gboolean bool_and = FALSE;
 600         gboolean case_sens = FALSE;
 601         gchar *matcher_str;
 602         gint match_type;
 603         gchar *from_str = NULL, *to_str = NULL, *subject_str = NULL;
 604         gchar *body_str = NULL;
 605         GSList *matchers = NULL;
 606
 607         if (!search_window.matcher_is_outdated)
 608                 return TRUE;
 609
 610         if (search_window.advsearch == NULL) {
 611                 search_window.advsearch = advsearch_new();
 612                 advsearch_set_on_error_cb(search_window.advsearch, NULL, NULL); /* TODO */
 613                 advsearch_set_on_progress_cb(search_window.advsearch,
 614                         summary_search_progress_cb, NULL);
 615         }
 616
 617         adv_search = gtk_toggle_button_get_active
 618                 (GTK_TOGGLE_BUTTON(search_window.adv_search_checkbtn));
 619
 620         if (adv_search) {
 621                 matcher_str = add_history_get(search_window.adv_condition_entry, &prefs_common.summary_search_adv_condition_history);
 622         } else {
 623                 MatcherList *matcher_list;
 624                 bool_and = combobox_get_active_data(GTK_COMBO_BOX(search_window.bool_optmenu));
 625                 case_sens = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(search_window.case_checkbtn));
 626
 627                 from_str    = add_history_get(search_window.from_entry, &prefs_common.summary_search_from_history);
 628                 to_str      = add_history_get(search_window.to_entry, &prefs_common.summary_search_to_history);
 629                 subject_str = add_history_get(search_window.subject_entry, &prefs_common.summary_search_subject_history);
 630                 body_str    = add_history_get(search_window.body_entry, &prefs_common.summary_search_body_history);
 631
 632                 if (!from_str && !to_str && !subject_str && !body_str) {
 633                         /* TODO: warn if no search criteria? (or make buttons enabled only when
 634                          * at least one search criteria has been set */
 635                         return FALSE;
 636                 }
 637
 638                 match_type = case_sens ? MATCHTYPE_MATCH : MATCHTYPE_MATCHCASE;
 639
 640                 if (from_str) {
 641                         MatcherProp *prop = matcherprop_new(MATCHCRITERIA_FROM, NULL, match_type, from_str, 0);
 642                         matchers = g_slist_append(matchers, prop);
 643                 }
 644                 if (to_str) {
 645                         MatcherProp *prop = matcherprop_new(MATCHCRITERIA_TO, NULL, match_type, to_str, 0);
 646                         matchers = g_slist_append(matchers, prop);
 647                 }
 648                 if (subject_str) {
 649                         MatcherProp *prop = matcherprop_new(MATCHCRITERIA_SUBJECT, NULL, match_type, subject_str, 0);
 650                         matchers = g_slist_append(matchers, prop);
 651                 }
 652                 if (body_str) {
 653                         MatcherProp *prop = matcherprop_new(MATCHCRITERIA_BODY_PART, NULL, match_type, body_str, 0);
 654                         matchers = g_slist_append(matchers, prop);
 655                 }
 656                 g_free(from_str);
 657                 g_free(to_str);
 658                 g_free(subject_str);
 659                 g_free(body_str);
 660
 661                 matcher_list = matcherlist_new(matchers, bool_and);
 662                 if (!matcher_list)
 663                         return FALSE;
 664                 matcher_str = matcherlist_to_string(matcher_list);
 665                 matcherlist_free(matcher_list);
 666         }
 667         if (!matcher_str)
 668                 return FALSE;
 669
 670         advsearch_set(search_window.advsearch, ADVANCED_SEARCH_EXTENDED,
 671                       matcher_str);
 672
 673         debug_print("Advsearch set: %s\n", matcher_str);
 674         g_free(matcher_str);
 675
 676         if (!advsearch_has_proper_predicate(search_window.advsearch))
 677                 return FALSE;
 678
 679         search_window.matcher_is_outdated = FALSE;
 680
 681         return TRUE;
 682 }
 683
 684 static gboolean summary_search_prereduce_msg_list()
 685 {
 686         MsgInfoList *msglist = NULL;
 687         MsgNumberList *msgnums = NULL;
 688         MsgNumberList *cur;
 689         SummaryView *summaryview = search_window.summaryview;
 690         gboolean result;
 691         FolderItem *item = summaryview->folder_item;
 692         static GdkCursor *watch_cursor = NULL;
 693         if (!watch_cursor)
 694                 watch_cursor = gdk_cursor_new(GDK_WATCH);
 695
 696         if (search_window.matcher_is_outdated && !summary_search_prepare_matcher()) {
 697                 return FALSE;
 698         }
 699
 700         main_window_cursor_wait(mainwindow_get_mainwindow());
 701         gdk_window_set_cursor(gtk_widget_get_window(search_window.window), watch_cursor);
 702         statusbar_print_all(_("Searching in %s... \n"),
 703                 item->path ? item->path : "(null)");
 704
 705         result = advsearch_search_msgs_in_folders(search_window.advsearch,
 706                         &msglist, item, FALSE);
 707         statusbar_pop_all();
 708         statusbar_progress_all(0, 0, 0);
 709         gdk_window_set_cursor(gtk_widget_get_window(search_window.window), NULL);
 710         main_window_cursor_normal(mainwindow_get_mainwindow());
 711
 712         if (!result)
 713                 return FALSE;
 714         msgnums = procmsg_get_number_list_for_msgs(msglist);
 715         procmsg_msg_list_free(msglist);
 716
 717         if (search_window.matched_msgnums == NULL)
 718                 search_window.matched_msgnums = g_hash_table_new(g_direct_hash, NULL);
 719
 720         g_hash_table_remove_all(search_window.matched_msgnums);
 721
 722         for (cur = msgnums; cur != NULL; cur = cur->next) {
 723                 g_hash_table_insert(search_window.matched_msgnums, cur->data, GINT_TO_POINTER(1));
 724         }
 725
 726         g_slist_free(msgnums);
 727
 728         return TRUE;
 729 }
 730
 731 static void summary_search_execute(gboolean backward, gboolean search_all)
 732 {
 733         SummaryView *summaryview = search_window.summaryview;
 734         GtkCMCTree *ctree = GTK_CMCTREE(summaryview->ctree);
 735         GtkCMCTreeNode *node;
 736         MsgInfo *msginfo;
 737         gboolean all_searched = FALSE;
 738         gboolean matched = FALSE;
 739         gint i = 0;
 740
 741         if (summary_is_locked(summaryview)) {
 742                 return;
 743         }
 744         summary_lock(summaryview);
 745
 746         search_window.is_searching = TRUE;
 747         main_window_cursor_wait(summaryview->mainwin);
 748         summary_show_stop_button();
 749
 750         if (search_window.matcher_is_outdated && !summary_search_prereduce_msg_list()) {
 751                 goto exit;
 752         }
 753
 754         if (search_all) {
 755                 summary_freeze(summaryview);
 756                 summary_unselect_all(summaryview);
 757                 node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 758                 backward = FALSE;
 759         } else if (!summaryview->selected) {
 760                 if (backward) {
 761                         node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list_end);
 762                 } else {
 763                         node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 764                 }
 765
 766                 if (!node) {
 767                         search_window.is_searching = FALSE;
 768                         summary_hide_stop_button();
 769                         main_window_cursor_normal(summaryview->mainwin);
 770                         summary_unlock(summaryview);
 771                         return;
 772                 }
 773         } else {
 774                 if (backward) {
 775                         node = gtkut_ctree_node_prev(ctree, summaryview->selected);
 776                 } else {
 777                         node = gtkut_ctree_node_next(ctree, summaryview->selected);
 778                 }
 779         }
 780
 781         for (; search_window.is_searching; i++) {
 782                 if (!node) {
 783                         gchar *str;
 784                         AlertValue val;
 785
 786                         if (search_all) {
 787                                 break;
 788                         }
 789
 790                         if (all_searched) {
 791                                 alertpanel_full(_("Search failed"),
 792                                                 _("Search string not found."),
 793                                                 GTK_STOCK_CLOSE, NULL, NULL, FALSE,
 794                                                 NULL, ALERT_WARNING, G_ALERTDEFAULT);
 795                                 break;
 796                         }
 797
 798                         if (backward)
 799                                 str = _("Beginning of list reached; continue from end?");
 800                         else
 801                                 str = _("End of list reached; continue from beginning?");
 802
 803                         val = alertpanel(_("Search finished"), str,
 804                                          GTK_STOCK_NO, "+" GTK_STOCK_YES, NULL);
 805                         if (G_ALERTALTERNATE == val) {
 806                                 if (backward) {
 807                                         node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list_end);
 808                                 } else {
 809                                         node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 810                                 }
 811
 812                                 all_searched = TRUE;
 813
 814                                 manage_window_focus_in(search_window.window, NULL, NULL);
 815                         } else {
 816                                 break;
 817                         }
 818                 }
 819
 820                 msginfo = gtk_cmctree_node_get_row_data(ctree, node);
 821
 822                 matched = summary_search_verify_match(msginfo);
 823
 824                 if (matched) {
 825                         if (search_all) {
 826                                 gtk_cmctree_select(ctree, node);
 827                         } else {
 828                                 if (messageview_is_visible(summaryview->messageview)) {
 829                                         summary_unlock(summaryview);
 830                                         summary_select_node(summaryview, node, TRUE, TRUE);
 831                                         summary_lock(summaryview);
 832                                 } else {
 833                                         summary_select_node(summaryview, node, FALSE, TRUE);
 834                                 }
 835                                 break;
 836                         }
 837                 }
 838
 839                 if (i % (search_window.is_fast ? 1000 : 100) == 0) {
 840                         GTK_EVENTS_FLUSH();
 841                 }
 842
 843                 node = backward ? gtkut_ctree_node_prev(ctree, node)
 844                                 : gtkut_ctree_node_next(ctree, node);
 845         }
 846
 847 exit:
 848         search_window.is_searching = FALSE;
 849         summary_hide_stop_button();
 850         main_window_cursor_normal(summaryview->mainwin);
 851         if (search_all) {
 852                 summary_thaw(summaryview);
 853         }
 854         summary_unlock(summaryview);
 855 }
 856
 857 static void summary_search_clear(GtkButton *button, gpointer data)
 858 {
 859         if (gtk_toggle_button_get_active
 860                 (GTK_TOGGLE_BUTTON(search_window.adv_search_checkbtn))) {
 861                 gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN((search_window.adv_condition_entry)))), "");
 862         } else {
 863                 gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN((search_window.from_entry)))), "");
 864                 gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN((search_window.to_entry)))), "");
 865                 gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN((search_window.subject_entry)))), "");
 866                 gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN((search_window.body_entry)))), "");
 867         }
 868         /* stop searching */
 869         if (search_window.is_searching) {
 870                 search_window.is_searching = FALSE;
 871         }
 872         search_window.matcher_is_outdated = TRUE;
 873 }
 874
 875 static void summary_search_prev_clicked(GtkButton *button, gpointer data)
 876 {
 877         summary_search_execute(TRUE, FALSE);
 878 }
 879
 880 static void summary_search_next_clicked(GtkButton *button, gpointer data)
 881 {
 882         summary_search_execute(FALSE, FALSE);
 883 }
 884
 885 static void summary_search_all_clicked(GtkButton *button, gpointer data)
 886 {
 887         summary_search_execute(FALSE, TRUE);
 888 }
 889
 890 static void adv_condition_btn_done(MatcherList * matchers)
 891 {
 892         gchar *str;
 893
 894         cm_return_if_fail(
 895                         mainwindow_get_mainwindow()->summaryview->quicksearch != NULL);
 896
 897         if (matchers == NULL) {
 898                 return;
 899         }
 900
 901         str = matcherlist_to_string(matchers);
 902         search_window.matcher_is_outdated = TRUE;
 903
 904         if (str != NULL) {
 905                 gtk_entry_set_text(GTK_ENTRY(gtk_bin_get_child(GTK_BIN((search_window.adv_condition_entry)))), str);
 906                 g_free(str);
 907         }
 908 }
 909
 910 static void summary_search_stop_clicked(GtkButton *button, gpointer data)
 911 {
 912         search_window.is_searching = FALSE;
 913 }
 914
 915 static void adv_condition_btn_clicked(GtkButton *button, gpointer data)
 916 {
 917         const gchar * cond_str;
 918         MatcherList * matchers = NULL;
 919
 920         cm_return_if_fail( search_window.window != NULL );
 921
 922         /* re-use the current search value if it's a condition expression,
 923            otherwise ignore it silently */
 924 #if !GTK_CHECK_VERSION(2, 24, 0)
 925         cond_str = gtk_combo_box_get_active_text(GTK_COMBO_BOX(search_window.adv_condition_entry));
 926 #else
 927         cond_str = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(search_window.adv_condition_entry));
 928 #endif
 929         if (cond_str && *cond_str != '\0') {
 930                 matchers = matcher_parser_get_cond((gchar*)cond_str, NULL);
 931         }
 932
 933         prefs_matcher_open(matchers, adv_condition_btn_done);
 934
 935         if (matchers != NULL) {
 936                 matcherlist_free(matchers);
 937         }
 938 };
 939
 940 static void from_changed(void)
 941 {
 942         if (!search_window.from_entry_has_focus)
 943                 gtk_widget_grab_focus(search_window.from_entry);
 944         search_window.matcher_is_outdated = TRUE;
 945 }
 946
 947 static void to_changed(void)
 948 {
 949         if (!search_window.to_entry_has_focus)
 950                 gtk_widget_grab_focus(search_window.to_entry);
 951         search_window.matcher_is_outdated = TRUE;
 952 }
 953
 954 static void subject_changed(void)
 955 {
 956         if (!search_window.subject_entry_has_focus)
 957                 gtk_widget_grab_focus(search_window.subject_entry);
 958         search_window.matcher_is_outdated = TRUE;
 959 }
 960
 961 static void body_changed(void)
 962 {
 963         if (!search_window.body_entry_has_focus)
 964                 gtk_widget_grab_focus(search_window.body_entry);
 965         search_window.matcher_is_outdated = TRUE;
 966 }
 967
 968 static void adv_condition_changed(void)
 969 {
 970         if (!search_window.adv_condition_entry_has_focus)
 971                 gtk_widget_grab_focus(search_window.adv_condition_entry);
 972         search_window.matcher_is_outdated = TRUE;
 973 }
 974
 975 static gboolean from_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 976                                   gpointer data)
 977 {
 978         search_window.from_entry_has_focus = TRUE;
 979         return FALSE;
 980 }
 981
 982 static gboolean from_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 983                                   gpointer data)
 984 {
 985         search_window.from_entry_has_focus = FALSE;
 986         return FALSE;
 987 }
 988
 989 static gboolean to_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
 990                                   gpointer data)
 991 {
 992         search_window.to_entry_has_focus = TRUE;
 993         return FALSE;
 994 }
 995
 996 static gboolean to_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
 997                                   gpointer data)
 998 {
 999         search_window.to_entry_has_focus = FALSE;
1000         return FALSE;
1001 }
1002
1003 static gboolean subject_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
1004                                   gpointer data)
1005 {
1006         search_window.subject_entry_has_focus = TRUE;
1007         return FALSE;
1008 }
1009
1010 static gboolean subject_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
1011                                   gpointer data)
1012 {
1013         search_window.subject_entry_has_focus = FALSE;
1014         return FALSE;
1015 }
1016
1017 static gboolean body_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
1018                                   gpointer data)
1019 {
1020         search_window.body_entry_has_focus = TRUE;
1021         return FALSE;
1022 }
1023
1024 static gboolean body_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
1025                                   gpointer data)
1026 {
1027         search_window.body_entry_has_focus = FALSE;
1028         return FALSE;
1029 }
1030
1031 static gboolean adv_condition_entry_focus_evt_in(GtkWidget *widget, GdkEventFocus *event,
1032                                   gpointer data)
1033 {
1034         search_window.adv_condition_entry_has_focus = TRUE;
1035         return FALSE;
1036 }
1037
1038 static gboolean adv_condition_entry_focus_evt_out(GtkWidget *widget, GdkEventFocus *event,
1039                                   gpointer data)
1040 {
1041         search_window.adv_condition_entry_has_focus = FALSE;
1042         return FALSE;
1043 }
1044
1045 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
1046                             gpointer data)
1047 {
1048         if (event && (event->keyval == GDK_KEY_Escape)) {
1049                 /* ESC key will:
1050                         - stop a running search
1051                         - close the search window if no search is running
1052                 */
1053                 if (!search_window.is_searching) {
1054                         gtk_widget_hide(search_window.window);
1055                 } else {
1056                         search_window.is_searching = FALSE;
1057                 }
1058         }
1059
1060         if (event && (event->keyval == GDK_KEY_Return || event->keyval == GDK_KEY_KP_Enter)) {
1061                 if (!search_window.is_searching) {
1062                         summary_search_execute(FALSE, FALSE);
1063                 }
1064         }
1065
1066         if (event && (event->keyval == GDK_KEY_Down || event->keyval == GDK_KEY_Up)) {
1067                 if (search_window.from_entry_has_focus) {
1068                         combobox_set_value_from_arrow_key(
1069                                         GTK_COMBO_BOX(search_window.from_entry),
1070                                         event->keyval);
1071                         return TRUE;
1072                 }
1073                 if (search_window.to_entry_has_focus) {
1074                         combobox_set_value_from_arrow_key(
1075                                         GTK_COMBO_BOX(search_window.to_entry),
1076                                         event->keyval);
1077                         return TRUE;
1078                 }
1079                 if (search_window.subject_entry_has_focus) {
1080                         combobox_set_value_from_arrow_key(
1081                                         GTK_COMBO_BOX(search_window.subject_entry),
1082                                         event->keyval);
1083                         return TRUE;
1084                 }
1085                 if (search_window.body_entry_has_focus) {
1086                         combobox_set_value_from_arrow_key(
1087                                         GTK_COMBO_BOX(search_window.body_entry),
1088                                         event->keyval);
1089                         return TRUE;
1090                 }
1091                 if (search_window.adv_condition_entry_has_focus) {
1092                         combobox_set_value_from_arrow_key(
1093                                         GTK_COMBO_BOX(search_window.adv_condition_entry),
1094                                         event->keyval);
1095                         return TRUE;
1096                 }
1097         }
1098
1099         return FALSE;
1100 }