src/gtk/quicksearch.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 2004 Hiroyuki Yamamoto & the Sylpheed-Claws team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include <ctype.h>
  25
  26 #include <gtk/gtk.h>
  27 #include <gdk/gdkkeysyms.h>
  28
  29 #include "intl.h"
  30 #include "utils.h"
  31 #include "menu.h"
  32 #include "prefs_common.h"
  33 #include "description_window.h"
  34 #include "matcher.h"
  35 #include "matcher_parser.h"
  36 #include "quicksearch.h"
  37 #include "folderview.h"
  38 #include "folder.h"
  39
  40 struct _QuickSearch
  41 {
  42         GtkWidget                       *hbox_search;
  43         GtkWidget                       *search_type;
  44         GtkWidget                       *search_type_opt;
  45         GtkWidget                       *search_string_entry;
  46         GtkWidget                       *search_description;
  47
  48         gboolean                         active;
  49         gchar                           *search_string;
  50         MatcherList                     *matcher_list;
  51
  52         QuickSearchExecuteCallback       callback;
  53         gpointer                         callback_data;
  54         gboolean                         running;
  55         gboolean                         has_focus;
  56         FolderItem                      *root_folder_item;
  57 };
  58
  59 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run);
  60 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active);
  61 static void quicksearch_reset_folder_items(QuickSearch *quicksearch, FolderItem *folder_item);
  62
  63 static void prepare_matcher(QuickSearch *quicksearch)
  64 {
  65         const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
  66
  67         if (quicksearch->matcher_list != NULL) {
  68                 matcherlist_free(quicksearch->matcher_list);
  69                 quicksearch->matcher_list = NULL;
  70         }
  71
  72         if (search_string == NULL || search_string[0] == '\0') {
  73                 quicksearch_set_active(quicksearch, FALSE);
  74                 return;
  75         }
  76
  77         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
  78                 char *newstr = NULL;
  79
  80                 newstr = expand_search_string(search_string);
  81                 if (newstr && newstr[0] != '\0') {
  82                         quicksearch->matcher_list = matcher_parser_get_cond(newstr);
  83                         g_free(newstr);
  84                 } else {
  85                         quicksearch->matcher_list = NULL;
  86                         quicksearch_set_active(quicksearch, FALSE);
  87
  88                         return;
  89                 }
  90         } else {
  91                 if (quicksearch->search_string != NULL)
  92                         g_free(quicksearch->search_string);
  93                 quicksearch->search_string = g_strdup(search_string);
  94         }
  95
  96         quicksearch_set_active(quicksearch, TRUE);
  97 }
  98
  99 static void update_extended_button (QuickSearch *quicksearch)
 100 {
 101         GtkWidget *btn = quicksearch->search_description;
 102
 103         g_return_if_fail(btn != NULL);
 104
 105         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED) {
 106                 gtk_button_set_label(GTK_BUTTON(btn), _("Extended symbols"));
 107                 gtk_widget_show(btn);
 108         } else {
 109                 gtk_widget_hide(btn);
 110         }
 111
 112 }
 113
 114 static gboolean searchbar_focus_evt(GtkWidget *widget, GdkEventFocus *event,
 115                                   QuickSearch *quicksearch)
 116 {
 117         quicksearch->has_focus = (event && event->in);
 118         return FALSE;
 119 }
 120
 121 gboolean quicksearch_has_focus(QuickSearch *quicksearch)
 122 {
 123         return quicksearch->has_focus;
 124 }
 125
 126 static gboolean searchbar_pressed(GtkWidget *widget, GdkEventKey *event,
 127                                   QuickSearch *quicksearch)
 128 {
 129         if (event != NULL && event->keyval == GDK_Escape) {
 130                 quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 131                 gtk_widget_grab_focus(GTK_WIDGET(GTK_COMBO(quicksearch->search_string_entry)->entry));
 132                 return TRUE;
 133         }
 134
 135         if (event != NULL && event->keyval == GDK_Return) {
 136                 const gchar *search_string = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry));
 137
 138                 if (search_string && strlen(search_string) != 0) {
 139                         prefs_common.summary_quicksearch_history =
 140                                 add_history(prefs_common.summary_quicksearch_history,
 141                                             search_string);
 142                         gtk_combo_set_popdown_strings(GTK_COMBO(quicksearch->search_string_entry),
 143                                 prefs_common.summary_quicksearch_history);
 144                 }
 145
 146                 prepare_matcher(quicksearch);
 147
 148                 quicksearch_set_running(quicksearch, TRUE);
 149                 if (quicksearch->callback != NULL)
 150                         quicksearch->callback(quicksearch, quicksearch->callback_data);
 151                 quicksearch_set_running(quicksearch, FALSE);
 152                 g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
 153                 gtk_widget_grab_focus(GTK_WIDGET(GTK_COMBO(
 154                         quicksearch->search_string_entry)->entry));
 155                 return TRUE;
 156         }
 157
 158         return FALSE;
 159 }
 160
 161 static gboolean searchtype_changed(GtkMenuItem *widget, gpointer data)
 162 {
 163         QuickSearch *quicksearch = (QuickSearch *)data;
 164
 165         prefs_common.summary_quicksearch_type = GPOINTER_TO_INT(g_object_get_data(
 166                                    G_OBJECT(GTK_MENU_ITEM(gtk_menu_get_active(
 167                                    GTK_MENU(quicksearch->search_type)))), MENU_VAL_ID));
 168
 169         /* Show extended search description button, only when Extended is selected */
 170         update_extended_button(quicksearch);
 171
 172         prepare_matcher(quicksearch);
 173
 174         quicksearch_set_running(quicksearch, TRUE);
 175         if (quicksearch->callback != NULL)
 176                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 177         quicksearch_set_running(quicksearch, FALSE);
 178         return TRUE;
 179 }
 180
 181 static gboolean searchtype_recursive_changed(GtkMenuItem *widget, gpointer data)
 182 {
 183         QuickSearch *quicksearch = (QuickSearch *)data;
 184         gboolean checked = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
 185
 186         prefs_common.summary_quicksearch_recurse = checked;
 187
 188         /* reselect the search type */
 189         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 190                                     prefs_common.summary_quicksearch_type);
 191
 192         prepare_matcher(quicksearch);
 193
 194         quicksearch_set_running(quicksearch, TRUE);
 195         if (quicksearch->callback != NULL)
 196                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 197         quicksearch_set_running(quicksearch, FALSE);
 198         return TRUE;
 199 }
 200
 201 /*
 202  * Strings describing how to use Extended Search
 203  *
 204  * When adding new lines, remember to put 2 strings for each line
 205  */
 206 static gchar *search_descr_strings[] = {
 207         "a",     N_("all messages"),
 208         "ag #",  N_("messages whose age is greater than #"),
 209         "al #",  N_("messages whose age is less than #"),
 210         "b S",   N_("messages which contain S in the message body"),
 211         "B S",   N_("messages which contain S in the whole message"),
 212         "c S",   N_("messages carbon-copied to S"),
 213         "C S",   N_("message is either to: or cc: to S"),
 214         "D",     N_("deleted messages"), /** how I can filter deleted messages **/
 215         "e S",   N_("messages which contain S in the Sender field"),
 216         "E S",   N_("true if execute \"S\" succeeds"),
 217         "f S",   N_("messages originating from user S"),
 218         "F",     N_("forwarded messages"),
 219         "h S",   N_("messages which contain header S"),
 220         "i S",   N_("messages which contain S in Message-ID header"),
 221         "I S",   N_("messages which contain S in inreplyto header"),
 222         "L",     N_("locked messages"),
 223         "n S",   N_("messages which are in newsgroup S"),
 224         "N",     N_("new messages"),
 225         "O",     N_("old messages"),
 226         "p",     N_("incomplete messages (not entirely downloaded)"),
 227         "r",     N_("messages which have been replied to"),
 228         "R",     N_("read messages"),
 229         "s S",   N_("messages which contain S in subject"),
 230         "se #",  N_("messages whose score is equal to #"),
 231         "sg #",  N_("messages whose score is greater than #"),
 232         "sl #",  N_("messages whose score is lower than #"),
 233         "Se #",  N_("messages whose size is equal to #"),
 234         "Sg #",  N_("messages whose size is greater than #"),
 235         "Ss #",  N_("messages whose size is smaller than #"),
 236         "t S",   N_("messages which have been sent to S"),
 237         "T",     N_("marked messages"),
 238         "U",     N_("unread messages"),
 239         "x S",   N_("messages which contain S in References header"),
 240         "X cmd", N_("messages returning 0 when passed to command"),
 241         "y S",   N_("messages which contain S in X-Label header"),
 242         "",      "" ,
 243         "&",     N_("logical AND operator"),
 244         "|",     N_("logical OR operator"),
 245         "! or ~",       N_("logical NOT operator"),
 246         "%",     N_("case sensitive search"),
 247         "",      "" ,
 248         " ",     N_("all filtering expressions are allowed"),
 249         NULL,    NULL
 250 };
 251
 252 static DescriptionWindow search_descr = {
 253         NULL,
 254         2,
 255         N_("Extended Search symbols"),
 256         search_descr_strings
 257 };
 258
 259 static void search_description_cb(GtkWidget *widget)
 260 {
 261         description_window_create(&search_descr);
 262 };
 263
 264 static gboolean clear_search_cb(GtkMenuItem *widget, gpointer data)
 265 {
 266         QuickSearch *quicksearch = (QuickSearch *)data;
 267
 268         quicksearch_set(quicksearch, prefs_common.summary_quicksearch_type, "");
 269
 270         return TRUE;
 271 };
 272
 273 QuickSearch *quicksearch_new()
 274 {
 275         QuickSearch *quicksearch;
 276
 277         GtkWidget *hbox_search;
 278         GtkWidget *search_type_opt;
 279         GtkWidget *search_type;
 280         GtkWidget *search_string_entry;
 281         GtkWidget *search_hbbox;
 282         GtkWidget *search_description;
 283         GtkWidget *clear_search;
 284         GtkWidget *menuitem;
 285
 286         quicksearch = g_new0(QuickSearch, 1);
 287
 288         /* quick search */
 289         hbox_search = gtk_hbox_new(FALSE, 0);
 290
 291         search_type_opt = gtk_option_menu_new();
 292         gtk_widget_show(search_type_opt);
 293         gtk_box_pack_start(GTK_BOX(hbox_search), search_type_opt, FALSE, FALSE, 0);
 294
 295         search_type = gtk_menu_new();
 296         MENUITEM_ADD (search_type, menuitem, _("Subject"), QUICK_SEARCH_SUBJECT);
 297         g_signal_connect(G_OBJECT(menuitem), "activate",
 298                          G_CALLBACK(searchtype_changed),
 299                          quicksearch);
 300         MENUITEM_ADD (search_type, menuitem, _("From"), QUICK_SEARCH_FROM);
 301         g_signal_connect(G_OBJECT(menuitem), "activate",
 302                          G_CALLBACK(searchtype_changed),
 303                          quicksearch);
 304         MENUITEM_ADD (search_type, menuitem, _("To"), QUICK_SEARCH_TO);
 305         g_signal_connect(G_OBJECT(menuitem), "activate",
 306                          G_CALLBACK(searchtype_changed),
 307                          quicksearch);
 308         MENUITEM_ADD (search_type, menuitem, _("Extended"), QUICK_SEARCH_EXTENDED);
 309         g_signal_connect(G_OBJECT(menuitem), "activate",
 310                          G_CALLBACK(searchtype_changed),
 311                          quicksearch);
 312
 313         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), gtk_separator_menu_item_new());
 314
 315         menuitem = gtk_check_menu_item_new_with_label(_("Recursive"));
 316         gtk_menu_shell_append(GTK_MENU_SHELL(search_type), menuitem);
 317
 318         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
 319                                         prefs_common.summary_quicksearch_recurse);
 320
 321         g_signal_connect(G_OBJECT(menuitem), "activate",
 322                          G_CALLBACK(searchtype_recursive_changed),
 323                          quicksearch);
 324
 325         gtk_option_menu_set_menu(GTK_OPTION_MENU(search_type_opt), search_type);
 326
 327         gtk_option_menu_set_history(GTK_OPTION_MENU(search_type_opt), prefs_common.summary_quicksearch_type);
 328
 329         gtk_widget_show(search_type);
 330
 331         search_string_entry = gtk_combo_new();
 332         gtk_box_pack_start(GTK_BOX(hbox_search), search_string_entry, FALSE, FALSE, 2);
 333         gtk_combo_set_value_in_list(GTK_COMBO(search_string_entry), FALSE, TRUE);
 334         gtk_combo_set_case_sensitive(GTK_COMBO(search_string_entry), TRUE);
 335         if (prefs_common.summary_quicksearch_history)
 336                 gtk_combo_set_popdown_strings(GTK_COMBO(search_string_entry),
 337                         prefs_common.summary_quicksearch_history);
 338         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(search_string_entry)->entry), "");
 339         gtk_widget_show(search_string_entry);
 340
 341         search_hbbox = gtk_hbutton_box_new();
 342         gtk_button_box_set_layout(GTK_BUTTON_BOX(search_hbbox),
 343                                   GTK_BUTTONBOX_START);
 344
 345         gtk_box_set_spacing(GTK_BOX(search_hbbox), 5);
 346
 347         if (prefs_common.summary_quicksearch_sticky) {
 348                 clear_search = gtk_button_new_with_label(_("Clear"));
 349                 gtk_box_pack_start(GTK_BOX(search_hbbox), clear_search,
 350                                    FALSE, FALSE, 0);
 351                 gtk_widget_set_usize(clear_search, 120, -1);
 352                 g_signal_connect(G_OBJECT(clear_search), "clicked",
 353                                  G_CALLBACK(clear_search_cb), quicksearch);
 354                 gtk_widget_show(clear_search);
 355         }
 356
 357         search_description = gtk_button_new_with_label(_("Extended Symbols"));
 358         gtk_box_pack_start(GTK_BOX(search_hbbox), search_description,
 359                            TRUE, TRUE, 0);
 360         gtk_widget_show(search_description);
 361
 362         g_signal_connect(G_OBJECT(search_description), "clicked",
 363                          G_CALLBACK(search_description_cb), NULL);
 364
 365         gtk_box_pack_start(GTK_BOX(hbox_search), search_hbbox, FALSE, FALSE, 2);
 366         gtk_widget_show(search_hbbox);
 367         if (prefs_common.summary_quicksearch_type == QUICK_SEARCH_EXTENDED)
 368                 gtk_widget_show(search_description);
 369         else
 370                 gtk_widget_hide(search_description);
 371
 372         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 373                            "key_press_event",
 374                            G_CALLBACK(searchbar_pressed),
 375                            quicksearch);
 376
 377
 378         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 379                          "focus_in_event",
 380                          G_CALLBACK(searchbar_focus_evt),
 381                          quicksearch);
 382
 383         g_signal_connect(G_OBJECT(GTK_COMBO(search_string_entry)->entry),
 384                          "focus_out_event",
 385                          G_CALLBACK(searchbar_focus_evt),
 386                          quicksearch);
 387
 388
 389         quicksearch->hbox_search = hbox_search;
 390         quicksearch->search_type = search_type;
 391         quicksearch->search_type_opt = search_type_opt;
 392         quicksearch->search_string_entry = search_string_entry;
 393         quicksearch->search_description = search_description;
 394         quicksearch->matcher_list = NULL;
 395         quicksearch->active = FALSE;
 396         quicksearch->running = FALSE;
 397
 398         update_extended_button(quicksearch);
 399
 400         return quicksearch;
 401 }
 402
 403 GtkWidget *quicksearch_get_widget(QuickSearch *quicksearch)
 404 {
 405         return quicksearch->hbox_search;
 406 }
 407
 408 void quicksearch_show(QuickSearch *quicksearch)
 409 {
 410         prepare_matcher(quicksearch);
 411         gtk_widget_show(quicksearch->hbox_search);
 412         update_extended_button(quicksearch);
 413 }
 414
 415 void quicksearch_hide(QuickSearch *quicksearch)
 416 {
 417         quicksearch_set_active(quicksearch, FALSE);
 418         gtk_widget_hide(quicksearch->hbox_search);
 419 }
 420
 421 void quicksearch_set(QuickSearch *quicksearch, QuickSearchType type,
 422                      const gchar *matchstring)
 423 {
 424         gtk_option_menu_set_history(GTK_OPTION_MENU(quicksearch->search_type_opt),
 425                                     type);
 426         gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry),
 427                            matchstring);
 428         prefs_common.summary_quicksearch_type = type;
 429
 430         prepare_matcher(quicksearch);
 431
 432         quicksearch_set_running(quicksearch, TRUE);
 433         if (quicksearch->callback != NULL)
 434                 quicksearch->callback(quicksearch, quicksearch->callback_data);
 435         quicksearch_set_running(quicksearch, FALSE);
 436 }
 437
 438 gboolean quicksearch_is_active(QuickSearch *quicksearch)
 439 {
 440         return quicksearch->active;
 441 }
 442
 443 static void quicksearch_set_active(QuickSearch *quicksearch, gboolean active)
 444 {
 445         quicksearch->active = active;
 446         if (!active) {
 447                 quicksearch_reset_cur_folder_item(quicksearch);
 448         }
 449 }
 450
 451 void quicksearch_set_execute_callback(QuickSearch *quicksearch,
 452                                       QuickSearchExecuteCallback callback,
 453                                       gpointer data)
 454 {
 455         quicksearch->callback = callback;
 456         quicksearch->callback_data = data;
 457 }
 458
 459 gboolean quicksearch_match(QuickSearch *quicksearch, MsgInfo *msginfo)
 460 {
 461         gchar *searched_header = NULL;
 462
 463         if (!quicksearch->active)
 464                 return TRUE;
 465
 466         switch (prefs_common.summary_quicksearch_type) {
 467         case QUICK_SEARCH_SUBJECT:
 468                 searched_header = msginfo->subject;
 469                 break;
 470         case QUICK_SEARCH_FROM:
 471                 searched_header = msginfo->from;
 472                 break;
 473         case QUICK_SEARCH_TO:
 474                 searched_header = msginfo->to;
 475                 break;
 476         case QUICK_SEARCH_EXTENDED:
 477                 break;
 478         default:
 479                 debug_print("unknown search type (%d)\n", prefs_common.summary_quicksearch_type);
 480                 break;
 481         }
 482
 483         if (prefs_common.summary_quicksearch_type != QUICK_SEARCH_EXTENDED &&
 484             quicksearch->search_string &&
 485             searched_header && strcasestr(searched_header, quicksearch->search_string) != NULL)
 486                 return TRUE;
 487         else if ((quicksearch->matcher_list != NULL) &&
 488                  matcherlist_match(quicksearch->matcher_list, msginfo))
 489                 return TRUE;
 490
 491         return FALSE;
 492 }
 493
 494 /* allow Mutt-like patterns in quick search */
 495 gchar *expand_search_string(const gchar *search_string)
 496 {
 497         int i = 0;
 498         gchar term_char, save_char;
 499         gchar *cmd_start, *cmd_end;
 500         GString *matcherstr;
 501         gchar *returnstr = NULL;
 502         gchar *copy_str;
 503         gboolean casesens, dontmatch;
 504         /* list of allowed pattern abbreviations */
 505         struct {
 506                 gchar           *abbreviated;   /* abbreviation */
 507                 gchar           *command;       /* actual matcher command */
 508                 gint            numparams;      /* number of params for cmd */
 509                 gboolean        qualifier;      /* do we append regexpcase */
 510                 gboolean        quotes;         /* do we need quotes */
 511         }
 512         cmds[] = {
 513                 { "a",  "all",                          0,      FALSE,  FALSE },
 514                 { "ag", "age_greater",                  1,      FALSE,  FALSE },
 515                 { "al", "age_lower",                    1,      FALSE,  FALSE },
 516                 { "b",  "body_part",                    1,      TRUE,   TRUE  },
 517                 { "B",  "message",                      1,      TRUE,   TRUE  },
 518                 { "c",  "cc",                           1,      TRUE,   TRUE  },
 519                 { "C",  "to_or_cc",                     1,      TRUE,   TRUE  },
 520                 { "D",  "deleted",                      0,      FALSE,  FALSE },
 521                 { "e",  "header \"Sender\"",            1,      TRUE,   TRUE  },
 522                 { "E",  "execute",                      1,      FALSE,  TRUE  },
 523                 { "f",  "from",                         1,      TRUE,   TRUE  },
 524                 { "F",  "forwarded",                    0,      FALSE,  FALSE },
 525                 { "h",  "headers_part",                 1,      TRUE,   TRUE  },
 526                 { "i",  "header \"Message-ID\"",        1,      TRUE,   TRUE  },
 527                 { "I",  "inreplyto",                    1,      TRUE,   TRUE  },
 528                 { "L",  "locked",                       0,      FALSE,  FALSE },
 529                 { "n",  "newsgroups",                   1,      TRUE,   TRUE  },
 530                 { "N",  "new",                          0,      FALSE,  FALSE },
 531                 { "O",  "~new",                         0,      FALSE,  FALSE },
 532                 { "r",  "replied",                      0,      FALSE,  FALSE },
 533                 { "R",  "~unread",                      0,      FALSE,  FALSE },
 534                 { "s",  "subject",                      1,      TRUE,   TRUE  },
 535                 { "se", "score_equal",                  1,      FALSE,  FALSE },
 536                 { "sg", "score_greater",                1,      FALSE,  FALSE },
 537                 { "sl", "score_lower",                  1,      FALSE,  FALSE },
 538                 { "Se", "size_equal",                   1,      FALSE,  FALSE },
 539                 { "Sg", "size_greater",                 1,      FALSE,  FALSE },
 540                 { "Ss", "size_smaller",                 1,      FALSE,  FALSE },
 541                 { "t",  "to",                           1,      TRUE,   TRUE  },
 542                 { "T",  "marked",                       0,      FALSE,  FALSE },
 543                 { "U",  "unread",                       0,      FALSE,  FALSE },
 544                 { "x",  "header \"References\"",        1,      TRUE,   TRUE  },
 545                 { "X",  "test",                         1,      FALSE,  FALSE },
 546                 { "y",  "header \"X-Label\"",           1,      TRUE,   TRUE  },
 547                 { "&",  "&",                            0,      FALSE,  FALSE },
 548                 { "|",  "|",                            0,      FALSE,  FALSE },
 549                 { "p",  "partial",                      0,      FALSE,  FALSE },
 550                 { NULL, NULL,                           0,      FALSE,  FALSE }
 551         };
 552
 553         if (search_string == NULL)
 554                 return NULL;
 555
 556         copy_str = g_strdup(search_string);
 557
 558         matcherstr = g_string_sized_new(16);
 559         cmd_start = copy_str;
 560         while (cmd_start && *cmd_start) {
 561                 /* skip all white spaces */
 562                 while (*cmd_start && isspace((guchar)*cmd_start))
 563                         cmd_start++;
 564                 cmd_end = cmd_start;
 565
 566                 /* extract a command */
 567                 while (*cmd_end && !isspace((guchar)*cmd_end))
 568                         cmd_end++;
 569
 570                 /* save character */
 571                 save_char = *cmd_end;
 572                 *cmd_end = '\0';
 573
 574                 dontmatch = FALSE;
 575                 casesens = FALSE;
 576
 577                 /* ~ and ! mean logical NOT */
 578                 if (*cmd_start == '~' || *cmd_start == '!')
 579                 {
 580                         dontmatch = TRUE;
 581                         cmd_start++;
 582                 }
 583                 /* % means case sensitive match */
 584                 if (*cmd_start == '%')
 585                 {
 586                         casesens = TRUE;
 587                         cmd_start++;
 588                 }
 589
 590                 /* find matching abbreviation */
 591                 for (i = 0; cmds[i].command; i++) {
 592                         if (!strcmp(cmd_start, cmds[i].abbreviated)) {
 593                                 /* restore character */
 594                                 *cmd_end = save_char;
 595
 596                                 /* copy command */
 597                                 if (matcherstr->len > 0) {
 598                                         g_string_append(matcherstr, " ");
 599                                 }
 600                                 if (dontmatch)
 601                                         g_string_append(matcherstr, "~");
 602                                 g_string_append(matcherstr, cmds[i].command);
 603                                 g_string_append(matcherstr, " ");
 604
 605                                 /* stop if no params required */
 606                                 if (cmds[i].numparams == 0)
 607                                         break;
 608
 609                                 /* extract a parameter, allow quotes */
 610                                 while (*cmd_end && isspace((guchar)*cmd_end))
 611                                         cmd_end++;
 612
 613                                 cmd_start = cmd_end;
 614                                 if (*cmd_start == '"') {
 615                                         term_char = '"';
 616                                         cmd_end++;
 617                                 }
 618                                 else
 619                                         term_char = ' ';
 620
 621                                 /* extract actual parameter */
 622                                 while ((*cmd_end) && (*cmd_end != term_char))
 623                                         cmd_end++;
 624
 625                                 if (*cmd_end == '"')
 626                                         cmd_end++;
 627
 628                                 save_char = *cmd_end;
 629                                 *cmd_end = '\0';
 630
 631                                 if (cmds[i].qualifier) {
 632                                         if (casesens)
 633                                                 g_string_append(matcherstr, "regexp ");
 634                                         else
 635                                                 g_string_append(matcherstr, "regexpcase ");
 636                                 }
 637
 638                                 /* do we need to add quotes ? */
 639                                 if (cmds[i].quotes && term_char != '"')
 640                                         g_string_append(matcherstr, "\"");
 641
 642                                 /* copy actual parameter */
 643                                 g_string_append(matcherstr, cmd_start);
 644
 645                                 /* do we need to add quotes ? */
 646                                 if (cmds[i].quotes && term_char != '"')
 647                                         g_string_append(matcherstr, "\"");
 648
 649                                 /* restore original character */
 650                                 *cmd_end = save_char;
 651
 652                                 break;
 653                         }
 654                 }
 655
 656                 if (*cmd_end)
 657                         cmd_end++;
 658                 cmd_start = cmd_end;
 659         }
 660
 661         g_free(copy_str);
 662
 663         /* return search string if no match is found to allow
 664            all available filtering expressions in quicksearch */
 665         if (matcherstr->len > 0) returnstr = matcherstr->str;
 666         else returnstr = g_strdup(search_string);
 667
 668         g_string_free(matcherstr, FALSE);
 669         return returnstr;
 670 }
 671
 672 static void quicksearch_set_running(QuickSearch *quicksearch, gboolean run)
 673 {
 674         quicksearch->running = run;
 675 }
 676
 677 gboolean quicksearch_is_running(QuickSearch *quicksearch)
 678 {
 679         return quicksearch->running;
 680 }
 681
 682 void quicksearch_pass_key(QuickSearch *quicksearch, guint val, GdkModifierType mod)
 683 {
 684         GtkEntry *entry = GTK_ENTRY(GTK_COMBO(quicksearch->search_string_entry)->entry);
 685         gint curpos = gtk_editable_get_position(GTK_EDITABLE(entry));
 686         char *str = g_strdup(gtk_entry_get_text(entry));
 687         char *begin = str;
 688         char *end = NULL;
 689         char *new = NULL;
 690
 691         if (mod == GDK_SHIFT_MASK)
 692                 val = toupper(val);
 693
 694         if (curpos < strlen(str)-1) {
 695                 end = g_strdup(str+curpos);
 696                 *(str+curpos) = '\0';
 697                 new = g_strdup_printf("%s%c%s", begin, val, end);
 698                 gtk_entry_set_text(entry, new);
 699                 g_free(end);
 700         } else {
 701                 new = g_strdup_printf("%s%c", begin, val);
 702                 gtk_entry_set_text(entry, new);
 703         }
 704         g_free(str);
 705         g_free(new);
 706         gtk_editable_set_position(GTK_EDITABLE(entry), curpos+1);
 707
 708 }
 709
 710 static gboolean quicksearch_match_subfolder(QuickSearch *quicksearch,
 711                                  FolderItem *src)
 712 {
 713         GSList *msglist = folder_item_get_msg_list(src);
 714         GSList *cur;
 715         gboolean result = FALSE;
 716
 717         for (cur = msglist; cur != NULL; cur = cur->next) {
 718                 MsgInfo *msg = (MsgInfo *)cur->data;
 719                 if (quicksearch_match(quicksearch, msg)) {
 720                         procmsg_msginfo_free(msg);
 721                         result = TRUE;
 722                         break;
 723                 }
 724                 procmsg_msginfo_free(msg);
 725         }
 726
 727         g_slist_free(msglist);
 728         return result;
 729 }
 730
 731 void quicksearch_search_subfolders(QuickSearch *quicksearch,
 732                                    FolderView *folderview,
 733                                    FolderItem *folder_item)
 734 {
 735         FolderItem *cur = NULL;
 736         GNode *node = folder_item->node->children;
 737
 738         if (!prefs_common.summary_quicksearch_recurse)
 739                 return;
 740
 741         for (; node != NULL; node = node->next) {
 742                 cur = FOLDER_ITEM(node->data);
 743                 if (quicksearch_match_subfolder(quicksearch, cur)) {
 744                         folderview_update_search_icon(cur, TRUE);
 745                 } else {
 746                         folderview_update_search_icon(cur, FALSE);
 747                 }
 748                 if (cur->node->children)
 749                         quicksearch_search_subfolders(quicksearch,
 750                                                       folderview,
 751                                                       cur);
 752         }
 753         quicksearch->root_folder_item = folder_item;
 754 }
 755
 756 static void quicksearch_reset_folder_items(QuickSearch *quicksearch,
 757                                     FolderItem *folder_item)
 758 {
 759         FolderItem *cur = NULL;
 760         GNode *node = folder_item->node->children;
 761
 762         for (; node != NULL; node = node->next) {
 763                 cur = FOLDER_ITEM(node->data);
 764                 folderview_update_search_icon(cur, FALSE);
 765                 if (cur->node->children)
 766                         quicksearch_reset_folder_items(quicksearch,
 767                                                        cur);
 768         }
 769 }
 770
 771 void quicksearch_reset_cur_folder_item(QuickSearch *quicksearch)
 772 {
 773         if (quicksearch->root_folder_item)
 774                 quicksearch_reset_folder_items(quicksearch, quicksearch->root_folder_item);
 775
 776         quicksearch->root_folder_item = NULL;
 777 }